Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/io/scsi/adapters/scsi_vhci/scsi_vhci.c @ 10967:0f20d1dba80d
6886050 scsav3: scsi_hba_pkt_comp should detect double completions of same packet
6896150 st: doing intentional uscsi path selection causes unintended recovery.
6897284 scsi_vhci: Attempting path selection with an invalid path asserts.
6897299 ses: ses a non root user can do USCSICMD's
| author | Randall Ralphs <Randall.Ralphs@Sun.COM> |
|---|---|
| date | Thu, 05 Nov 2009 15:47:57 -0700 |
| parents | cd0f390dd9e2 |
| children | f786e11b2123 |
| rev | line source |
|---|---|
| 4851 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 5 * Common Development and Distribution License (the "License"). | |
| 6 * You may not use this file except in compliance with the License. | |
| 7 * | |
| 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 * or http://www.opensolaris.org/os/licensing. | |
| 10 * See the License for the specific language governing permissions | |
| 11 * and limitations under the License. | |
| 12 * | |
| 13 * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 * If applicable, add the following below this CDDL HEADER, with the | |
| 16 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 * | |
| 19 * CDDL HEADER END | |
| 20 */ | |
| 21 /* | |
|
8851
cf2ef2a74136
6801824 Panic in vhci_scsi_reset_target
Chris Liu <Chris.Liu@Sun.COM>
parents:
8335
diff
changeset
|
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| 4851 | 23 * Use is subject to license terms. |
| 24 */ | |
| 25 | |
| 26 /* | |
| 27 * Multiplexed I/O SCSI vHCI implementation | |
| 28 */ | |
| 29 | |
| 30 #include <sys/conf.h> | |
| 31 #include <sys/file.h> | |
| 32 #include <sys/ddi.h> | |
| 33 #include <sys/sunddi.h> | |
| 34 #include <sys/scsi/scsi.h> | |
| 35 #include <sys/scsi/impl/scsi_reset_notify.h> | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
36 #include <sys/scsi/impl/services.h> |
| 4851 | 37 #include <sys/sunmdi.h> |
| 38 #include <sys/mdi_impldefs.h> | |
| 39 #include <sys/scsi/adapters/scsi_vhci.h> | |
| 40 #include <sys/disp.h> | |
| 41 #include <sys/byteorder.h> | |
| 42 | |
| 43 extern uintptr_t scsi_callback_id; | |
| 44 extern ddi_dma_attr_t scsi_alloc_attr; | |
| 45 | |
| 46 #ifdef DEBUG | |
| 47 int vhci_debug = VHCI_DEBUG_DEFAULT_VAL; | |
| 48 #endif | |
| 49 | |
| 50 /* retry for the vhci_do_prout command when a not ready is returned */ | |
| 51 int vhci_prout_not_ready_retry = 180; | |
| 52 | |
| 53 /* | |
| 54 * These values are defined to support the internal retry of | |
| 55 * SCSI packets for better sense code handling. | |
| 56 */ | |
| 57 #define VHCI_CMD_CMPLT 0 | |
| 58 #define VHCI_CMD_RETRY 1 | |
| 59 #define VHCI_CMD_ERROR -1 | |
| 60 | |
| 61 #define PROPFLAGS (DDI_PROP_DONTPASS | DDI_PROP_NOTPROM) | |
| 62 #define VHCI_SCSI_PERR 0x47 | |
| 63 #define VHCI_PGR_ILLEGALOP -2 | |
| 64 #define VHCI_NUM_UPDATE_TASKQ 8 | |
|
6023
9adf47ae28c4
6634757 add support for the HDS midrange array subsystem
cm136836
parents:
4949
diff
changeset
|
65 /* changed to 132 to accomodate HDS */ |
| 4851 | 66 |
| 67 /* | |
| 68 * Version Macros | |
| 69 */ | |
|
7656
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7654
diff
changeset
|
70 #define VHCI_NAME_VERSION "SCSI VHCI Driver" |
| 4851 | 71 char vhci_version_name[] = VHCI_NAME_VERSION; |
| 72 | |
| 73 int vhci_first_time = 0; | |
| 74 clock_t vhci_to_ticks = 0; | |
| 75 int vhci_init_wait_timeout = VHCI_INIT_WAIT_TIMEOUT; | |
| 76 kcondvar_t vhci_cv; | |
| 77 kmutex_t vhci_global_mutex; | |
| 78 void *vhci_softstate = NULL; /* for soft state */ | |
| 79 | |
| 80 /* | |
| 81 * Flag to delay the retry of the reserve command | |
| 82 */ | |
| 83 int vhci_reserve_delay = 100000; | |
| 84 static int vhci_path_quiesce_timeout = 60; | |
| 85 static uchar_t zero_key[MHIOC_RESV_KEY_SIZE]; | |
| 86 | |
| 87 /* uscsi delay for a TRAN_BUSY */ | |
| 88 static int vhci_uscsi_delay = 100000; | |
| 89 static int vhci_uscsi_retry_count = 180; | |
| 90 /* uscsi_restart_sense timeout id in case it needs to get canceled */ | |
| 91 static timeout_id_t vhci_restart_timeid = 0; | |
| 92 | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
93 static int vhci_bus_config_debug = 0; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
94 |
| 4851 | 95 /* |
| 96 * Bidirectional map of 'target-port' to port id <pid> for support of | |
| 97 * iostat(1M) '-Xx' and '-Yx' output. | |
| 98 */ | |
| 99 static kmutex_t vhci_targetmap_mutex; | |
| 100 static uint_t vhci_targetmap_pid = 1; | |
| 101 static mod_hash_t *vhci_targetmap_bypid; /* <pid> -> 'target-port' */ | |
| 102 static mod_hash_t *vhci_targetmap_byport; /* 'target-port' -> <pid> */ | |
| 103 | |
| 104 /* | |
| 105 * functions exported by scsi_vhci struct cb_ops | |
| 106 */ | |
| 107 static int vhci_open(dev_t *, int, int, cred_t *); | |
| 108 static int vhci_close(dev_t, int, int, cred_t *); | |
| 109 static int vhci_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); | |
| 110 | |
| 111 /* | |
| 112 * functions exported by scsi_vhci struct dev_ops | |
| 113 */ | |
| 114 static int vhci_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); | |
| 115 static int vhci_attach(dev_info_t *, ddi_attach_cmd_t); | |
| 116 static int vhci_detach(dev_info_t *, ddi_detach_cmd_t); | |
| 117 | |
| 118 /* | |
| 119 * functions exported by scsi_vhci scsi_hba_tran_t transport table | |
| 120 */ | |
| 121 static int vhci_scsi_tgt_init(dev_info_t *, dev_info_t *, | |
| 122 scsi_hba_tran_t *, struct scsi_device *); | |
| 123 static void vhci_scsi_tgt_free(dev_info_t *, dev_info_t *, scsi_hba_tran_t *, | |
| 124 struct scsi_device *); | |
| 125 static int vhci_pgr_register_start(scsi_vhci_lun_t *, struct scsi_pkt *); | |
| 126 static int vhci_scsi_start(struct scsi_address *, struct scsi_pkt *); | |
| 127 static int vhci_scsi_abort(struct scsi_address *, struct scsi_pkt *); | |
| 128 static int vhci_scsi_reset(struct scsi_address *, int); | |
| 129 static int vhci_scsi_reset_target(struct scsi_address *, int level, | |
| 130 uint8_t select_path); | |
| 131 static int vhci_scsi_reset_bus(struct scsi_address *); | |
| 132 static int vhci_scsi_getcap(struct scsi_address *, char *, int); | |
| 133 static int vhci_scsi_setcap(struct scsi_address *, char *, int, int); | |
| 134 static int vhci_commoncap(struct scsi_address *, char *, int, int, int); | |
| 135 static int vhci_pHCI_cap(struct scsi_address *ap, char *cap, int val, int whom, | |
| 136 mdi_pathinfo_t *pip); | |
| 137 static struct scsi_pkt *vhci_scsi_init_pkt(struct scsi_address *, | |
| 138 struct scsi_pkt *, struct buf *, int, int, int, int, int (*)(), caddr_t); | |
| 139 static void vhci_scsi_destroy_pkt(struct scsi_address *, struct scsi_pkt *); | |
| 140 static void vhci_scsi_dmafree(struct scsi_address *, struct scsi_pkt *); | |
| 141 static void vhci_scsi_sync_pkt(struct scsi_address *, struct scsi_pkt *); | |
| 142 static int vhci_scsi_reset_notify(struct scsi_address *, int, void (*)(caddr_t), | |
| 143 caddr_t); | |
| 144 static int vhci_scsi_get_bus_addr(struct scsi_device *, char *, int); | |
| 145 static int vhci_scsi_get_name(struct scsi_device *, char *, int); | |
| 146 static int vhci_scsi_bus_power(dev_info_t *, void *, pm_bus_power_op_t, | |
| 147 void *, void *); | |
| 148 static int vhci_scsi_bus_config(dev_info_t *, uint_t, ddi_bus_config_op_t, | |
| 149 void *, dev_info_t **); | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
150 static int vhci_scsi_bus_unconfig(dev_info_t *, uint_t, ddi_bus_config_op_t, |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
151 void *); |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
152 static struct scsi_failover_ops *vhci_dev_fo(dev_info_t *, struct scsi_device *, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
153 void **, char **); |
| 4851 | 154 |
| 155 /* | |
| 156 * functions registered with the mpxio framework via mdi_vhci_ops_t | |
| 157 */ | |
| 158 static int vhci_pathinfo_init(dev_info_t *, mdi_pathinfo_t *, int); | |
| 159 static int vhci_pathinfo_uninit(dev_info_t *, mdi_pathinfo_t *, int); | |
| 160 static int vhci_pathinfo_state_change(dev_info_t *, mdi_pathinfo_t *, | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
161 mdi_pathinfo_state_t, uint32_t, int); |
| 4851 | 162 static int vhci_pathinfo_online(dev_info_t *, mdi_pathinfo_t *, int); |
| 163 static int vhci_pathinfo_offline(dev_info_t *, mdi_pathinfo_t *, int); | |
| 164 static int vhci_failover(dev_info_t *, dev_info_t *, int); | |
| 165 static void vhci_client_attached(dev_info_t *); | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
166 static int vhci_is_dev_supported(dev_info_t *, dev_info_t *, void *); |
| 4851 | 167 |
| 168 static int vhci_ctl(dev_t, int, intptr_t, int, cred_t *, int *); | |
| 169 static int vhci_devctl(dev_t, int, intptr_t, int, cred_t *, int *); | |
| 170 static int vhci_ioc_get_phci_path(sv_iocdata_t *, caddr_t, int, caddr_t); | |
| 171 static int vhci_ioc_get_client_path(sv_iocdata_t *, caddr_t, int, caddr_t); | |
| 172 static int vhci_ioc_get_paddr(sv_iocdata_t *, caddr_t, int, caddr_t); | |
| 173 static int vhci_ioc_send_client_path(caddr_t, sv_iocdata_t *, int, caddr_t); | |
| 174 static void vhci_ioc_devi_to_path(dev_info_t *, caddr_t); | |
| 175 static int vhci_get_phci_path_list(dev_info_t *, sv_path_info_t *, uint_t); | |
| 176 static int vhci_get_client_path_list(dev_info_t *, sv_path_info_t *, uint_t); | |
| 177 static int vhci_get_iocdata(const void *, sv_iocdata_t *, int, caddr_t); | |
| 178 static int vhci_get_iocswitchdata(const void *, sv_switch_to_cntlr_iocdata_t *, | |
| 179 int, caddr_t); | |
| 180 static int vhci_ioc_alloc_pathinfo(sv_path_info_t **, sv_path_info_t **, | |
| 181 uint_t, sv_iocdata_t *, int, caddr_t); | |
| 182 static void vhci_ioc_free_pathinfo(sv_path_info_t *, sv_path_info_t *, uint_t); | |
| 183 static int vhci_ioc_send_pathinfo(sv_path_info_t *, sv_path_info_t *, uint_t, | |
| 184 sv_iocdata_t *, int, caddr_t); | |
| 185 static int vhci_handle_ext_fo(struct scsi_pkt *, int); | |
| 186 static int vhci_efo_watch_cb(caddr_t, struct scsi_watch_result *); | |
| 187 static int vhci_quiesce_lun(struct scsi_vhci_lun *); | |
| 188 static int vhci_pgr_validate_and_register(scsi_vhci_priv_t *); | |
| 189 static void vhci_dispatch_scsi_start(void *); | |
| 190 static void vhci_efo_done(void *); | |
| 191 static void vhci_initiate_auto_failback(void *); | |
| 192 static void vhci_update_pHCI_pkt(struct vhci_pkt *, struct scsi_pkt *); | |
| 193 static int vhci_update_pathinfo(struct scsi_device *, mdi_pathinfo_t *, | |
| 194 struct scsi_failover_ops *, scsi_vhci_lun_t *, struct scsi_vhci *); | |
| 195 static void vhci_kstat_create_pathinfo(mdi_pathinfo_t *); | |
| 196 static int vhci_quiesce_paths(dev_info_t *, dev_info_t *, | |
| 197 scsi_vhci_lun_t *, char *, char *); | |
| 198 | |
| 199 static char *vhci_devnm_to_guid(char *); | |
| 200 static int vhci_bind_transport(struct scsi_address *, struct vhci_pkt *, | |
| 201 int, int (*func)(caddr_t)); | |
| 202 static void vhci_intr(struct scsi_pkt *); | |
| 203 static int vhci_do_prout(scsi_vhci_priv_t *); | |
| 204 static void vhci_run_cmd(void *); | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
205 static int vhci_do_prin(struct vhci_pkt **); |
| 4851 | 206 static struct scsi_pkt *vhci_create_retry_pkt(struct vhci_pkt *); |
| 207 static struct vhci_pkt *vhci_sync_retry_pkt(struct vhci_pkt *); | |
| 208 static struct scsi_vhci_lun *vhci_lun_lookup(dev_info_t *); | |
| 209 static struct scsi_vhci_lun *vhci_lun_lookup_alloc(dev_info_t *, char *, int *); | |
| 210 static void vhci_lun_free(dev_info_t *); | |
| 211 static int vhci_recovery_reset(scsi_vhci_lun_t *, struct scsi_address *, | |
| 212 uint8_t, uint8_t); | |
| 213 void vhci_update_pathstates(void *); | |
| 214 | |
| 215 #ifdef DEBUG | |
| 216 static void vhci_print_prin_keys(vhci_prin_readkeys_t *, int); | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
217 static void vhci_print_cdb(dev_info_t *dip, uint_t level, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
218 char *title, uchar_t *cdb); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
219 static void vhci_clean_print(dev_info_t *dev, uint_t level, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
220 char *title, uchar_t *data, int len); |
|
6962
225346ebbb42
6719151 scsi_vhci debug kernels spews a *lot* on the console during boot
rralphs
parents:
6941
diff
changeset
|
221 #endif |
| 4851 | 222 static void vhci_print_prout_keys(scsi_vhci_lun_t *, char *); |
| 223 static void vhci_uscsi_iodone(struct scsi_pkt *pkt); | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
224 static void vhci_invalidate_mpapi_lu(struct scsi_vhci *, scsi_vhci_lun_t *); |
| 4851 | 225 |
| 226 /* | |
| 227 * MP-API related functions | |
| 228 */ | |
| 229 extern int vhci_mpapi_init(struct scsi_vhci *); | |
| 230 extern void vhci_mpapi_add_dev_prod(struct scsi_vhci *, char *); | |
| 231 extern int vhci_mpapi_ctl(dev_t, int, intptr_t, int, cred_t *, int *); | |
| 232 extern void vhci_update_mpapi_data(struct scsi_vhci *, | |
| 233 scsi_vhci_lun_t *, mdi_pathinfo_t *); | |
| 234 extern void* vhci_get_mpapi_item(struct scsi_vhci *, mpapi_list_header_t *, | |
| 235 uint8_t, void*); | |
| 236 extern void vhci_mpapi_set_path_state(dev_info_t *, mdi_pathinfo_t *, int); | |
| 237 extern int vhci_mpapi_update_tpg_acc_state_for_lu(struct scsi_vhci *, | |
| 238 scsi_vhci_lun_t *); | |
| 239 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
240 #define VHCI_DMA_MAX_XFER_CAP INT_MAX |
| 4851 | 241 |
| 242 #define VHCI_MAX_PGR_RETRIES 3 | |
| 243 | |
| 244 /* | |
| 245 * Macros for the device-type mpxio options | |
| 246 */ | |
| 247 #define LOAD_BALANCE_OPTIONS "load-balance-options" | |
| 248 #define LOGICAL_BLOCK_REGION_SIZE "region-size" | |
| 249 #define MPXIO_OPTIONS_LIST "device-type-mpxio-options-list" | |
| 250 #define DEVICE_TYPE_STR "device-type" | |
| 251 #define isdigit(ch) ((ch) >= '0' && (ch) <= '9') | |
| 252 | |
| 253 static struct cb_ops vhci_cb_ops = { | |
| 254 vhci_open, /* open */ | |
| 255 vhci_close, /* close */ | |
| 256 nodev, /* strategy */ | |
| 257 nodev, /* print */ | |
| 258 nodev, /* dump */ | |
| 259 nodev, /* read */ | |
| 260 nodev, /* write */ | |
| 261 vhci_ioctl, /* ioctl */ | |
| 262 nodev, /* devmap */ | |
| 263 nodev, /* mmap */ | |
| 264 nodev, /* segmap */ | |
| 265 nochpoll, /* chpoll */ | |
| 266 ddi_prop_op, /* cb_prop_op */ | |
| 267 0, /* streamtab */ | |
| 268 D_NEW | D_MP, /* cb_flag */ | |
| 269 CB_REV, /* rev */ | |
| 270 nodev, /* aread */ | |
| 271 nodev /* awrite */ | |
| 272 }; | |
| 273 | |
| 274 static struct dev_ops vhci_ops = { | |
| 275 DEVO_REV, | |
| 276 0, | |
| 277 vhci_getinfo, | |
| 278 nulldev, /* identify */ | |
| 279 nulldev, /* probe */ | |
| 280 vhci_attach, /* attach and detach are mandatory */ | |
| 281 vhci_detach, | |
| 282 nodev, /* reset */ | |
| 283 &vhci_cb_ops, /* cb_ops */ | |
| 284 NULL, /* bus_ops */ | |
| 285 NULL, /* power */ | |
|
7656
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7654
diff
changeset
|
286 ddi_quiesce_not_needed, /* quiesce */ |
| 4851 | 287 }; |
| 288 | |
| 289 extern struct mod_ops mod_driverops; | |
| 290 | |
| 291 static struct modldrv modldrv = { | |
| 292 &mod_driverops, | |
| 293 vhci_version_name, /* module name */ | |
| 294 &vhci_ops | |
| 295 }; | |
| 296 | |
| 297 static struct modlinkage modlinkage = { | |
| 298 MODREV_1, | |
| 299 &modldrv, | |
| 300 NULL | |
| 301 }; | |
| 302 | |
| 303 static mdi_vhci_ops_t vhci_opinfo = { | |
| 304 MDI_VHCI_OPS_REV, | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
305 vhci_pathinfo_init, /* Pathinfo node init callback */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
306 vhci_pathinfo_uninit, /* Pathinfo uninit callback */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
307 vhci_pathinfo_state_change, /* Pathinfo node state change */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
308 vhci_failover, /* failover callback */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
309 vhci_client_attached, /* client attached callback */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
310 vhci_is_dev_supported /* is device supported by mdi */ |
| 4851 | 311 }; |
| 312 | |
| 313 /* | |
| 314 * The scsi_failover table defines an ordered set of 'fops' modules supported | |
| 315 * by scsi_vhci. Currently, initialize this table from the 'ddi-forceload' | |
| 316 * property specified in scsi_vhci.conf. | |
| 317 */ | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
318 static struct scsi_failover { |
| 4851 | 319 ddi_modhandle_t sf_mod; |
| 320 struct scsi_failover_ops *sf_sfo; | |
| 321 } *scsi_failover_table; | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
322 static uint_t scsi_nfailover; |
| 4851 | 323 |
| 324 int | |
| 325 _init(void) | |
| 326 { | |
| 327 int rval; | |
| 328 | |
| 329 /* | |
| 330 * Allocate soft state and prepare to do ddi_soft_state_zalloc() | |
| 331 * before registering with the transport first. | |
| 332 */ | |
| 333 if ((rval = ddi_soft_state_init(&vhci_softstate, | |
| 334 sizeof (struct scsi_vhci), 1)) != 0) { | |
| 335 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 336 "!_init:soft state init failed\n")); | |
| 337 return (rval); | |
| 338 } | |
| 339 | |
| 340 if ((rval = scsi_hba_init(&modlinkage)) != 0) { | |
| 341 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 342 "!_init: scsi hba init failed\n")); | |
| 343 ddi_soft_state_fini(&vhci_softstate); | |
| 344 return (rval); | |
| 345 } | |
| 346 | |
| 347 mutex_init(&vhci_global_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 348 cv_init(&vhci_cv, NULL, CV_DRIVER, NULL); | |
| 349 | |
| 350 mutex_init(&vhci_targetmap_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 351 vhci_targetmap_byport = mod_hash_create_strhash( | |
| 352 "vhci_targetmap_byport", 256, mod_hash_null_valdtor); | |
| 353 vhci_targetmap_bypid = mod_hash_create_idhash( | |
| 354 "vhci_targetmap_bypid", 256, mod_hash_null_valdtor); | |
| 355 | |
| 356 if ((rval = mod_install(&modlinkage)) != 0) { | |
| 357 VHCI_DEBUG(1, (CE_NOTE, NULL, "!_init: mod_install failed\n")); | |
| 358 if (vhci_targetmap_bypid) | |
| 359 mod_hash_destroy_idhash(vhci_targetmap_bypid); | |
| 360 if (vhci_targetmap_byport) | |
| 361 mod_hash_destroy_strhash(vhci_targetmap_byport); | |
| 362 mutex_destroy(&vhci_targetmap_mutex); | |
| 363 cv_destroy(&vhci_cv); | |
| 364 mutex_destroy(&vhci_global_mutex); | |
| 365 scsi_hba_fini(&modlinkage); | |
| 366 ddi_soft_state_fini(&vhci_softstate); | |
| 367 } | |
| 368 return (rval); | |
| 369 } | |
| 370 | |
| 371 | |
| 372 /* | |
| 373 * the system is done with us as a driver, so clean up | |
| 374 */ | |
| 375 int | |
| 376 _fini(void) | |
| 377 { | |
| 378 int rval; | |
| 379 | |
| 380 /* | |
| 381 * don't start cleaning up until we know that the module remove | |
| 382 * has worked -- if this works, then we know that each instance | |
| 383 * has successfully been DDI_DETACHed | |
| 384 */ | |
| 385 if ((rval = mod_remove(&modlinkage)) != 0) { | |
| 386 VHCI_DEBUG(4, (CE_NOTE, NULL, "!_fini: mod_remove failed\n")); | |
| 387 return (rval); | |
| 388 } | |
| 389 | |
| 390 if (vhci_targetmap_bypid) | |
| 391 mod_hash_destroy_idhash(vhci_targetmap_bypid); | |
| 392 if (vhci_targetmap_byport) | |
| 393 mod_hash_destroy_strhash(vhci_targetmap_byport); | |
| 394 mutex_destroy(&vhci_targetmap_mutex); | |
| 395 cv_destroy(&vhci_cv); | |
| 396 mutex_destroy(&vhci_global_mutex); | |
| 397 scsi_hba_fini(&modlinkage); | |
| 398 ddi_soft_state_fini(&vhci_softstate); | |
| 399 | |
| 400 return (rval); | |
| 401 } | |
| 402 | |
| 403 int | |
| 404 _info(struct modinfo *modinfop) | |
| 405 { | |
| 406 return (mod_info(&modlinkage, modinfop)); | |
| 407 } | |
| 408 | |
| 409 /* | |
| 410 * Lookup scsi_failover by "short name" of failover module. | |
| 411 */ | |
| 412 struct scsi_failover_ops * | |
| 413 vhci_failover_ops_by_name(char *name) | |
| 414 { | |
| 415 struct scsi_failover *sf; | |
| 416 | |
| 417 for (sf = scsi_failover_table; sf->sf_mod; sf++) { | |
| 418 if (sf->sf_sfo == NULL) | |
| 419 continue; | |
| 420 if (strcmp(sf->sf_sfo->sfo_name, name) == 0) | |
| 421 return (sf->sf_sfo); | |
| 422 } | |
| 423 return (NULL); | |
| 424 } | |
| 425 | |
| 426 /* | |
| 427 * Load all scsi_failover_ops 'fops' modules. | |
| 428 */ | |
| 429 static void | |
| 430 vhci_failover_modopen(struct scsi_vhci *vhci) | |
| 431 { | |
| 432 char **module; | |
| 433 int i; | |
| 434 struct scsi_failover *sf; | |
| 435 char **dt; | |
| 436 int e; | |
| 437 | |
| 438 if (scsi_failover_table) | |
| 439 return; | |
| 440 | |
| 441 /* Get the list of modules from scsi_vhci.conf */ | |
| 442 if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, | |
| 443 vhci->vhci_dip, DDI_PROP_DONTPASS, "ddi-forceload", | |
| 444 &module, &scsi_nfailover) != DDI_PROP_SUCCESS) { | |
| 445 cmn_err(CE_WARN, "scsi_vhci: " | |
| 446 "scsi_vhci.conf is missing 'ddi-forceload'"); | |
| 447 return; | |
| 448 } | |
| 449 if (scsi_nfailover == 0) { | |
| 450 cmn_err(CE_WARN, "scsi_vhci: " | |
| 451 "scsi_vhci.conf has empty 'ddi-forceload'"); | |
|
4949
f3b9c8c61dbe
6594740 vhci_failover_modopen leaks "ddi-forceload" property
cth
parents:
4896
diff
changeset
|
452 ddi_prop_free(module); |
| 4851 | 453 return; |
| 454 } | |
| 455 | |
| 456 /* allocate failover table based on number of modules */ | |
| 457 scsi_failover_table = (struct scsi_failover *) | |
| 458 kmem_zalloc(sizeof (struct scsi_failover) * (scsi_nfailover + 1), | |
| 459 KM_SLEEP); | |
| 460 | |
| 461 /* loop over modules specified in scsi_vhci.conf and open each module */ | |
| 462 for (i = 0, sf = scsi_failover_table; i < scsi_nfailover; i++) { | |
| 463 if (module[i] == NULL) | |
| 464 continue; | |
| 465 | |
| 466 sf->sf_mod = ddi_modopen(module[i], KRTLD_MODE_FIRST, &e); | |
| 467 if (sf->sf_mod == NULL) { | |
| 468 /* | |
| 469 * A module returns EEXIST if other software is | |
| 470 * supporting the intended function: for example | |
| 471 * the scsi_vhci_f_sum_emc module returns EEXIST | |
| 472 * from _init if EMC powerpath software is installed. | |
| 473 */ | |
| 474 if (e != EEXIST) | |
| 475 cmn_err(CE_WARN, "scsi_vhci: unable to open " | |
| 476 "module '%s', error %d", module[i], e); | |
| 477 continue; | |
| 478 } | |
| 479 sf->sf_sfo = ddi_modsym(sf->sf_mod, | |
| 480 "scsi_vhci_failover_ops", &e); | |
| 481 if (sf->sf_sfo == NULL) { | |
| 482 cmn_err(CE_WARN, "scsi_vhci: " | |
| 483 "unable to import 'scsi_failover_ops' from '%s', " | |
| 484 "error %d", module[i], e); | |
| 485 (void) ddi_modclose(sf->sf_mod); | |
| 486 sf->sf_mod = NULL; | |
| 487 continue; | |
| 488 } | |
| 489 | |
| 490 /* register vid/pid of devices supported with mpapi */ | |
| 491 for (dt = sf->sf_sfo->sfo_devices; *dt; dt++) | |
| 492 vhci_mpapi_add_dev_prod(vhci, *dt); | |
| 493 sf++; | |
| 494 } | |
| 495 | |
| 496 /* verify that at least the "well-known" modules were there */ | |
| 497 if (vhci_failover_ops_by_name(SFO_NAME_SYM) == NULL) | |
| 498 cmn_err(CE_WARN, "scsi_vhci: well-known module \"" | |
| 499 SFO_NAME_SYM "\" not defined in scsi_vhci.conf's " | |
| 500 "'ddi-forceload'"); | |
| 501 if (vhci_failover_ops_by_name(SFO_NAME_TPGS) == NULL) | |
| 502 cmn_err(CE_WARN, "scsi_vhci: well-known module \"" | |
| 503 SFO_NAME_TPGS "\" not defined in scsi_vhci.conf's " | |
| 504 "'ddi-forceload'"); | |
| 505 | |
| 506 /* call sfo_init for modules that need it */ | |
| 507 for (sf = scsi_failover_table; sf->sf_mod; sf++) { | |
| 508 if (sf->sf_sfo && sf->sf_sfo->sfo_init) | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
509 sf->sf_sfo->sfo_init(); |
| 4851 | 510 } |
|
4949
f3b9c8c61dbe
6594740 vhci_failover_modopen leaks "ddi-forceload" property
cth
parents:
4896
diff
changeset
|
511 |
|
f3b9c8c61dbe
6594740 vhci_failover_modopen leaks "ddi-forceload" property
cth
parents:
4896
diff
changeset
|
512 ddi_prop_free(module); |
| 4851 | 513 } |
| 514 | |
| 515 /* | |
| 516 * unload all loaded scsi_failover_ops modules | |
| 517 */ | |
| 518 static void | |
| 519 vhci_failover_modclose() | |
| 520 { | |
| 521 struct scsi_failover *sf; | |
| 522 | |
| 523 for (sf = scsi_failover_table; sf->sf_mod; sf++) { | |
| 524 if ((sf->sf_mod == NULL) || (sf->sf_sfo == NULL)) | |
| 525 continue; | |
| 526 (void) ddi_modclose(sf->sf_mod); | |
| 527 sf->sf_mod = NULL; | |
| 528 sf->sf_sfo = NULL; | |
| 529 } | |
| 530 | |
| 531 if (scsi_failover_table && scsi_nfailover) | |
| 532 kmem_free(scsi_failover_table, | |
| 533 sizeof (struct scsi_failover) * (scsi_nfailover + 1)); | |
| 534 scsi_failover_table = NULL; | |
| 535 scsi_nfailover = 0; | |
| 536 } | |
| 537 | |
| 538 /* ARGSUSED */ | |
| 539 static int | |
| 540 vhci_open(dev_t *devp, int flag, int otype, cred_t *credp) | |
| 541 { | |
| 542 struct scsi_vhci *vhci; | |
| 543 | |
| 544 if (otype != OTYP_CHR) { | |
| 545 return (EINVAL); | |
| 546 } | |
| 547 | |
| 548 vhci = ddi_get_soft_state(vhci_softstate, MINOR2INST(getminor(*devp))); | |
| 549 if (vhci == NULL) { | |
| 550 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_open: failed ENXIO\n")); | |
| 551 return (ENXIO); | |
| 552 } | |
| 553 | |
| 554 mutex_enter(&vhci->vhci_mutex); | |
| 555 if ((flag & FEXCL) && (vhci->vhci_state & VHCI_STATE_OPEN)) { | |
| 556 mutex_exit(&vhci->vhci_mutex); | |
| 557 vhci_log(CE_NOTE, vhci->vhci_dip, | |
| 558 "!vhci%d: Already open\n", getminor(*devp)); | |
| 559 return (EBUSY); | |
| 560 } | |
| 561 | |
| 562 vhci->vhci_state |= VHCI_STATE_OPEN; | |
| 563 mutex_exit(&vhci->vhci_mutex); | |
| 564 return (0); | |
| 565 } | |
| 566 | |
| 567 | |
| 568 /* ARGSUSED */ | |
| 569 static int | |
| 570 vhci_close(dev_t dev, int flag, int otype, cred_t *credp) | |
| 571 { | |
| 572 struct scsi_vhci *vhci; | |
| 573 | |
| 574 if (otype != OTYP_CHR) { | |
| 575 return (EINVAL); | |
| 576 } | |
| 577 | |
| 578 vhci = ddi_get_soft_state(vhci_softstate, MINOR2INST(getminor(dev))); | |
| 579 if (vhci == NULL) { | |
| 580 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_close: failed ENXIO\n")); | |
| 581 return (ENXIO); | |
| 582 } | |
| 583 | |
| 584 mutex_enter(&vhci->vhci_mutex); | |
| 585 vhci->vhci_state &= ~VHCI_STATE_OPEN; | |
| 586 mutex_exit(&vhci->vhci_mutex); | |
| 587 | |
| 588 return (0); | |
| 589 } | |
| 590 | |
| 591 /* ARGSUSED */ | |
| 592 static int | |
| 593 vhci_ioctl(dev_t dev, int cmd, intptr_t data, int mode, | |
| 594 cred_t *credp, int *rval) | |
| 595 { | |
| 596 if (IS_DEVCTL(cmd)) { | |
| 597 return (vhci_devctl(dev, cmd, data, mode, credp, rval)); | |
| 598 } else if (cmd == MP_CMD) { | |
| 599 return (vhci_mpapi_ctl(dev, cmd, data, mode, credp, rval)); | |
| 600 } else { | |
| 601 return (vhci_ctl(dev, cmd, data, mode, credp, rval)); | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 /* | |
| 606 * attach the module | |
| 607 */ | |
| 608 static int | |
| 609 vhci_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) | |
| 610 { | |
| 611 int rval = DDI_FAILURE; | |
| 612 int scsi_hba_attached = 0; | |
| 613 int vhci_attached = 0; | |
| 614 int mutex_initted = 0; | |
| 615 int instance; | |
| 616 struct scsi_vhci *vhci; | |
| 617 scsi_hba_tran_t *tran; | |
| 618 char cache_name_buf[64]; | |
| 619 char *data; | |
| 620 | |
| 621 VHCI_DEBUG(4, (CE_NOTE, NULL, "vhci_attach: cmd=0x%x\n", cmd)); | |
| 622 | |
| 623 instance = ddi_get_instance(dip); | |
| 624 | |
| 625 switch (cmd) { | |
| 626 case DDI_ATTACH: | |
| 627 break; | |
| 628 | |
| 629 case DDI_RESUME: | |
| 630 case DDI_PM_RESUME: | |
| 631 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_attach: resume not yet" | |
| 632 "implemented\n")); | |
| 633 return (rval); | |
| 634 | |
| 635 default: | |
| 636 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 637 "!vhci_attach: unknown ddi command\n")); | |
| 638 return (rval); | |
| 639 } | |
| 640 | |
| 641 /* | |
| 642 * Allocate vhci data structure. | |
| 643 */ | |
| 644 if (ddi_soft_state_zalloc(vhci_softstate, instance) != DDI_SUCCESS) { | |
| 645 VHCI_DEBUG(1, (CE_NOTE, dip, "!vhci_attach:" | |
| 646 "soft state alloc failed\n")); | |
| 647 return (DDI_FAILURE); | |
| 648 } | |
| 649 | |
| 650 if ((vhci = ddi_get_soft_state(vhci_softstate, instance)) == NULL) { | |
| 651 VHCI_DEBUG(1, (CE_NOTE, dip, "!vhci_attach:" | |
| 652 "bad soft state\n")); | |
| 653 ddi_soft_state_free(vhci_softstate, instance); | |
| 654 return (DDI_FAILURE); | |
| 655 } | |
| 656 | |
| 657 /* Allocate packet cache */ | |
| 658 (void) snprintf(cache_name_buf, sizeof (cache_name_buf), | |
| 659 "vhci%d_cache", instance); | |
| 660 | |
| 661 mutex_init(&vhci->vhci_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 662 mutex_initted++; | |
| 663 | |
| 664 /* | |
| 665 * Allocate a transport structure | |
| 666 */ | |
| 667 tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); | |
| 668 ASSERT(tran != NULL); | |
| 669 | |
| 670 vhci->vhci_tran = tran; | |
| 671 vhci->vhci_dip = dip; | |
| 672 vhci->vhci_instance = instance; | |
| 673 | |
| 674 tran->tran_hba_private = vhci; | |
| 675 tran->tran_tgt_init = vhci_scsi_tgt_init; | |
| 676 tran->tran_tgt_probe = NULL; | |
| 677 tran->tran_tgt_free = vhci_scsi_tgt_free; | |
| 678 | |
| 679 tran->tran_start = vhci_scsi_start; | |
| 680 tran->tran_abort = vhci_scsi_abort; | |
| 681 tran->tran_reset = vhci_scsi_reset; | |
| 682 tran->tran_getcap = vhci_scsi_getcap; | |
| 683 tran->tran_setcap = vhci_scsi_setcap; | |
| 684 tran->tran_init_pkt = vhci_scsi_init_pkt; | |
| 685 tran->tran_destroy_pkt = vhci_scsi_destroy_pkt; | |
| 686 tran->tran_dmafree = vhci_scsi_dmafree; | |
| 687 tran->tran_sync_pkt = vhci_scsi_sync_pkt; | |
| 688 tran->tran_reset_notify = vhci_scsi_reset_notify; | |
| 689 | |
| 690 tran->tran_get_bus_addr = vhci_scsi_get_bus_addr; | |
| 691 tran->tran_get_name = vhci_scsi_get_name; | |
| 692 tran->tran_bus_reset = NULL; | |
| 693 tran->tran_quiesce = NULL; | |
| 694 tran->tran_unquiesce = NULL; | |
| 695 | |
| 696 /* | |
| 697 * register event notification routines with scsa | |
| 698 */ | |
| 699 tran->tran_get_eventcookie = NULL; | |
| 700 tran->tran_add_eventcall = NULL; | |
| 701 tran->tran_remove_eventcall = NULL; | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
702 tran->tran_post_event = NULL; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
703 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
704 tran->tran_bus_power = vhci_scsi_bus_power; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
705 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
706 tran->tran_bus_config = vhci_scsi_bus_config; |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
707 tran->tran_bus_unconfig = vhci_scsi_bus_unconfig; |
| 4851 | 708 |
| 709 /* | |
| 710 * Attach this instance with the mpxio framework | |
| 711 */ | |
| 712 if (mdi_vhci_register(MDI_HCI_CLASS_SCSI, dip, &vhci_opinfo, 0) | |
| 713 != MDI_SUCCESS) { | |
| 714 VHCI_DEBUG(1, (CE_NOTE, dip, "!vhci_attach:" | |
| 715 "mdi_vhci_register failed\n")); | |
| 716 goto attach_fail; | |
| 717 } | |
| 718 vhci_attached++; | |
| 719 | |
| 720 /* | |
| 721 * Attach this instance of the hba. | |
| 722 * | |
| 723 * Regarding dma attributes: Since scsi_vhci is a virtual scsi HBA | |
| 724 * driver, it has nothing to do with DMA. However, when calling | |
| 725 * scsi_hba_attach_setup() we need to pass something valid in the | |
| 726 * dma attributes parameter. So we just use scsi_alloc_attr. | |
| 727 * SCSA itself seems to care only for dma_attr_minxfer and | |
| 728 * dma_attr_burstsizes fields of dma attributes structure. | |
| 729 * It expects those fileds to be non-zero. | |
| 730 */ | |
| 731 if (scsi_hba_attach_setup(dip, &scsi_alloc_attr, tran, | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
732 SCSI_HBA_ADDR_COMPLEX) != DDI_SUCCESS) { |
| 4851 | 733 VHCI_DEBUG(1, (CE_NOTE, dip, "!vhci_attach:" |
| 734 "hba attach failed\n")); | |
| 735 goto attach_fail; | |
| 736 } | |
| 737 scsi_hba_attached++; | |
| 738 | |
| 739 if (ddi_create_minor_node(dip, "devctl", S_IFCHR, | |
| 740 INST2DEVCTL(instance), DDI_NT_SCSI_NEXUS, 0) != DDI_SUCCESS) { | |
| 741 VHCI_DEBUG(1, (CE_NOTE, dip, "!vhci_attach:" | |
| 742 " ddi_create_minor_node failed\n")); | |
| 743 goto attach_fail; | |
| 744 } | |
| 745 | |
| 746 /* | |
| 747 * Set pm-want-child-notification property for | |
| 748 * power management of the phci and client | |
| 749 */ | |
| 750 if (ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP, | |
| 751 "pm-want-child-notification?", NULL, NULL) != DDI_PROP_SUCCESS) { | |
| 752 cmn_err(CE_WARN, | |
| 753 "%s%d fail to create pm-want-child-notification? prop", | |
| 754 ddi_driver_name(dip), ddi_get_instance(dip)); | |
| 755 goto attach_fail; | |
| 756 } | |
| 757 | |
| 758 vhci->vhci_taskq = taskq_create("vhci_taskq", 1, MINCLSYSPRI, 1, 4, 0); | |
| 759 vhci->vhci_update_pathstates_taskq = | |
| 760 taskq_create("vhci_update_pathstates", VHCI_NUM_UPDATE_TASKQ, | |
| 761 MINCLSYSPRI, 1, 4, 0); | |
| 762 ASSERT(vhci->vhci_taskq); | |
| 763 ASSERT(vhci->vhci_update_pathstates_taskq); | |
| 764 | |
| 765 /* | |
| 766 * Set appropriate configuration flags based on options set in | |
| 767 * conf file. | |
| 768 */ | |
| 769 vhci->vhci_conf_flags = 0; | |
| 770 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, PROPFLAGS, | |
| 771 "auto-failback", &data) == DDI_SUCCESS) { | |
| 772 if (strcmp(data, "enable") == 0) | |
| 773 vhci->vhci_conf_flags |= VHCI_CONF_FLAGS_AUTO_FAILBACK; | |
| 774 ddi_prop_free(data); | |
| 775 } | |
| 776 | |
| 777 if (!(vhci->vhci_conf_flags & VHCI_CONF_FLAGS_AUTO_FAILBACK)) | |
| 778 vhci_log(CE_NOTE, dip, "!Auto-failback capability " | |
| 779 "disabled through scsi_vhci.conf file."); | |
| 780 | |
| 781 /* | |
| 782 * Allocate an mpapi private structure | |
| 783 */ | |
| 784 vhci->mp_priv = kmem_zalloc(sizeof (mpapi_priv_t), KM_SLEEP); | |
| 785 if (vhci_mpapi_init(vhci) != 0) { | |
| 786 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_attach: " | |
| 787 "vhci_mpapi_init() failed")); | |
| 788 } | |
| 789 | |
| 790 vhci_failover_modopen(vhci); /* load failover modules */ | |
| 791 | |
| 792 ddi_report_dev(dip); | |
| 793 return (DDI_SUCCESS); | |
| 794 | |
| 795 attach_fail: | |
| 796 if (vhci_attached) | |
| 797 (void) mdi_vhci_unregister(dip, 0); | |
| 798 | |
| 799 if (scsi_hba_attached) | |
| 800 (void) scsi_hba_detach(dip); | |
| 801 | |
| 802 if (vhci->vhci_tran) | |
| 803 scsi_hba_tran_free(vhci->vhci_tran); | |
| 804 | |
| 805 if (mutex_initted) { | |
| 806 mutex_destroy(&vhci->vhci_mutex); | |
| 807 } | |
| 808 | |
| 809 ddi_soft_state_free(vhci_softstate, instance); | |
| 810 return (DDI_FAILURE); | |
| 811 } | |
| 812 | |
| 813 | |
| 814 /*ARGSUSED*/ | |
| 815 static int | |
| 816 vhci_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) | |
| 817 { | |
| 818 int instance = ddi_get_instance(dip); | |
| 819 scsi_hba_tran_t *tran; | |
| 820 struct scsi_vhci *vhci; | |
| 821 | |
| 822 VHCI_DEBUG(4, (CE_NOTE, NULL, "vhci_detach: cmd=0x%x\n", cmd)); | |
| 823 | |
| 824 if ((tran = ddi_get_driver_private(dip)) == NULL) | |
| 825 return (DDI_FAILURE); | |
| 826 | |
| 827 vhci = TRAN2HBAPRIVATE(tran); | |
| 828 if (!vhci) { | |
| 829 return (DDI_FAILURE); | |
| 830 } | |
| 831 | |
| 832 switch (cmd) { | |
| 833 case DDI_DETACH: | |
| 834 break; | |
| 835 | |
| 836 case DDI_SUSPEND: | |
| 837 case DDI_PM_SUSPEND: | |
| 838 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_detach: suspend/pm not yet" | |
| 839 "implemented\n")); | |
| 840 return (DDI_FAILURE); | |
| 841 | |
| 842 default: | |
| 843 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 844 "!vhci_detach: unknown ddi command\n")); | |
| 845 return (DDI_FAILURE); | |
| 846 } | |
| 847 | |
| 848 (void) mdi_vhci_unregister(dip, 0); | |
| 849 (void) scsi_hba_detach(dip); | |
| 850 scsi_hba_tran_free(tran); | |
| 851 | |
| 852 if (ddi_prop_remove(DDI_DEV_T_NONE, dip, | |
| 853 "pm-want-child-notification?") != DDI_PROP_SUCCESS) { | |
| 854 cmn_err(CE_WARN, | |
| 855 "%s%d unable to remove prop pm-want_child_notification?", | |
| 856 ddi_driver_name(dip), ddi_get_instance(dip)); | |
| 857 } | |
| 858 if (vhci_restart_timeid != 0) { | |
| 859 (void) untimeout(vhci_restart_timeid); | |
| 860 } | |
| 861 vhci_restart_timeid = 0; | |
| 862 | |
| 863 mutex_destroy(&vhci->vhci_mutex); | |
| 864 vhci->vhci_dip = NULL; | |
| 865 vhci->vhci_tran = NULL; | |
| 866 taskq_destroy(vhci->vhci_taskq); | |
| 867 taskq_destroy(vhci->vhci_update_pathstates_taskq); | |
| 868 ddi_remove_minor_node(dip, NULL); | |
| 869 ddi_soft_state_free(vhci_softstate, instance); | |
| 870 | |
| 871 vhci_failover_modclose(); /* unload failover modules */ | |
| 872 return (DDI_SUCCESS); | |
| 873 } | |
| 874 | |
| 875 /* | |
| 876 * vhci_getinfo() | |
| 877 * Given the device number, return the devinfo pointer or the | |
| 878 * instance number. | |
| 879 * Note: always succeed DDI_INFO_DEVT2INSTANCE, even before attach. | |
| 880 */ | |
| 881 | |
| 882 /*ARGSUSED*/ | |
| 883 static int | |
| 884 vhci_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) | |
| 885 { | |
| 886 struct scsi_vhci *vhcip; | |
| 887 int instance = MINOR2INST(getminor((dev_t)arg)); | |
| 888 | |
| 889 switch (cmd) { | |
| 890 case DDI_INFO_DEVT2DEVINFO: | |
| 891 vhcip = ddi_get_soft_state(vhci_softstate, instance); | |
| 892 if (vhcip != NULL) | |
| 893 *result = vhcip->vhci_dip; | |
| 894 else { | |
| 895 *result = NULL; | |
| 896 return (DDI_FAILURE); | |
| 897 } | |
| 898 break; | |
| 899 | |
| 900 case DDI_INFO_DEVT2INSTANCE: | |
| 901 *result = (void *)(uintptr_t)instance; | |
| 902 break; | |
| 903 | |
| 904 default: | |
| 905 return (DDI_FAILURE); | |
| 906 } | |
| 907 | |
| 908 return (DDI_SUCCESS); | |
| 909 } | |
| 910 | |
| 911 /*ARGSUSED*/ | |
| 912 static int | |
| 913 vhci_scsi_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, | |
| 914 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) | |
| 915 { | |
| 916 char *guid; | |
| 917 scsi_vhci_lun_t *vlun; | |
| 918 struct scsi_vhci *vhci; | |
| 919 clock_t from_ticks; | |
| 920 mdi_pathinfo_t *pip; | |
| 921 int rval; | |
| 922 | |
| 923 ASSERT(hba_dip != NULL); | |
| 924 ASSERT(tgt_dip != NULL); | |
| 925 | |
| 6777 | 926 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, tgt_dip, PROPFLAGS, |
| 927 MDI_CLIENT_GUID_PROP, &guid) != DDI_SUCCESS) { | |
| 928 /* | |
| 929 * This must be the .conf node without GUID property. | |
| 930 * The node under fp already inserts a delay, so we | |
| 931 * just return from here. We rely on this delay to have | |
| 932 * all dips be posted to the ndi hotplug thread's newdev | |
| 933 * list. This is necessary for the deferred attach | |
| 934 * mechanism to work and opens() done soon after boot to | |
| 935 * succeed. | |
| 936 */ | |
| 937 VHCI_DEBUG(4, (CE_WARN, hba_dip, "tgt_init: lun guid " | |
| 938 "property failed")); | |
| 939 return (DDI_NOT_WELL_FORMED); | |
| 940 } | |
| 941 | |
| 942 if (ndi_dev_is_persistent_node(tgt_dip) == 0) { | |
| 943 /* | |
| 944 * This must be .conf node with the GUID property. We don't | |
| 945 * merge property by ndi_merge_node() here because the | |
| 946 * devi_addr_buf of .conf node is "" always according the | |
| 947 * implementation of vhci_scsi_get_name_bus_addr(). | |
| 948 */ | |
| 949 ddi_set_name_addr(tgt_dip, NULL); | |
| 950 return (DDI_FAILURE); | |
| 951 } | |
| 952 | |
| 4851 | 953 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(hba_dip)); |
| 954 ASSERT(vhci != NULL); | |
| 955 | |
| 956 VHCI_DEBUG(4, (CE_NOTE, hba_dip, | |
| 957 "!tgt_init: called for %s (instance %d)\n", | |
| 958 ddi_driver_name(tgt_dip), ddi_get_instance(tgt_dip))); | |
| 959 | |
| 960 vlun = vhci_lun_lookup(tgt_dip); | |
| 961 | |
| 962 mutex_enter(&vhci_global_mutex); | |
| 963 | |
| 964 from_ticks = ddi_get_lbolt(); | |
| 965 if (vhci_to_ticks == 0) { | |
| 966 vhci_to_ticks = from_ticks + | |
| 967 drv_usectohz(vhci_init_wait_timeout); | |
| 968 } | |
| 969 | |
| 970 #if DEBUG | |
| 971 if (vlun) { | |
| 972 VHCI_DEBUG(1, (CE_WARN, hba_dip, "tgt_init: " | |
| 973 "vhci_scsi_tgt_init: guid %s : found vlun 0x%p " | |
| 974 "from_ticks %lx to_ticks %lx", | |
| 975 guid, (void *)vlun, from_ticks, vhci_to_ticks)); | |
| 976 } else { | |
| 977 VHCI_DEBUG(1, (CE_WARN, hba_dip, "tgt_init: " | |
| 978 "vhci_scsi_tgt_init: guid %s : vlun not found " | |
| 979 "from_ticks %lx to_ticks %lx", guid, from_ticks, | |
| 980 vhci_to_ticks)); | |
| 981 } | |
| 982 #endif | |
| 983 | |
| 984 rval = mdi_select_path(tgt_dip, NULL, | |
| 985 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH), NULL, &pip); | |
| 986 if (rval == MDI_SUCCESS) { | |
| 987 mdi_rele_path(pip); | |
| 988 } | |
| 989 | |
| 990 /* | |
| 991 * Wait for the following conditions : | |
| 992 * 1. no vlun available yet | |
| 993 * 2. no path established | |
| 994 * 3. timer did not expire | |
| 995 */ | |
| 996 while ((vlun == NULL) || (mdi_client_get_path_count(tgt_dip) == 0) || | |
| 997 (rval != MDI_SUCCESS)) { | |
| 998 if (vlun && vlun->svl_not_supported) { | |
| 999 VHCI_DEBUG(1, (CE_WARN, hba_dip, "tgt_init: " | |
| 1000 "vlun 0x%p lun guid %s not supported!", | |
| 1001 (void *)vlun, guid)); | |
| 1002 mutex_exit(&vhci_global_mutex); | |
| 1003 ddi_prop_free(guid); | |
| 1004 return (DDI_NOT_WELL_FORMED); | |
| 1005 } | |
| 1006 if ((vhci_first_time == 0) && (from_ticks >= vhci_to_ticks)) { | |
| 1007 vhci_first_time = 1; | |
| 1008 } | |
| 1009 if (vhci_first_time == 1) { | |
| 1010 VHCI_DEBUG(1, (CE_WARN, hba_dip, "vhci_scsi_tgt_init: " | |
| 1011 "no wait for %s. from_tick %lx, to_tick %lx", | |
| 1012 guid, from_ticks, vhci_to_ticks)); | |
| 1013 mutex_exit(&vhci_global_mutex); | |
| 1014 ddi_prop_free(guid); | |
| 1015 return (DDI_NOT_WELL_FORMED); | |
| 1016 } | |
| 1017 | |
| 1018 if (cv_timedwait(&vhci_cv, | |
| 1019 &vhci_global_mutex, vhci_to_ticks) == -1) { | |
| 1020 /* Timed out */ | |
| 1021 #ifdef DEBUG | |
| 1022 if (vlun == NULL) { | |
| 1023 VHCI_DEBUG(1, (CE_WARN, hba_dip, | |
| 1024 "tgt_init: no vlun for %s!", guid)); | |
| 1025 } else if (mdi_client_get_path_count(tgt_dip) == 0) { | |
| 1026 VHCI_DEBUG(1, (CE_WARN, hba_dip, | |
| 1027 "tgt_init: client path count is " | |
| 1028 "zero for %s!", guid)); | |
| 1029 } else { | |
| 1030 VHCI_DEBUG(1, (CE_WARN, hba_dip, | |
| 1031 "tgt_init: client path not " | |
| 1032 "available yet for %s!", guid)); | |
| 1033 } | |
| 1034 #endif /* DEBUG */ | |
| 1035 mutex_exit(&vhci_global_mutex); | |
| 1036 ddi_prop_free(guid); | |
| 1037 return (DDI_NOT_WELL_FORMED); | |
| 1038 } | |
| 1039 vlun = vhci_lun_lookup(tgt_dip); | |
| 1040 rval = mdi_select_path(tgt_dip, NULL, | |
| 1041 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH), | |
| 1042 NULL, &pip); | |
| 1043 if (rval == MDI_SUCCESS) { | |
| 1044 mdi_rele_path(pip); | |
| 1045 } | |
| 1046 from_ticks = ddi_get_lbolt(); | |
| 1047 } | |
| 1048 mutex_exit(&vhci_global_mutex); | |
| 1049 | |
| 1050 ASSERT(vlun != NULL); | |
| 1051 ddi_prop_free(guid); | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
1052 |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
1053 scsi_device_hba_private_set(sd, vlun); |
| 4851 | 1054 |
| 1055 return (DDI_SUCCESS); | |
| 1056 } | |
| 1057 | |
| 1058 /*ARGSUSED*/ | |
| 1059 static void | |
| 1060 vhci_scsi_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip, | |
| 1061 scsi_hba_tran_t *hba_tran, struct scsi_device *sd) | |
| 1062 { | |
| 1063 } | |
| 1064 | |
| 1065 /* | |
| 1066 * a PGR register command has started; copy the info we need | |
| 1067 */ | |
| 1068 int | |
| 1069 vhci_pgr_register_start(scsi_vhci_lun_t *vlun, struct scsi_pkt *pkt) | |
| 1070 { | |
| 1071 struct vhci_pkt *vpkt = TGTPKT2VHCIPKT(pkt); | |
| 1072 void *addr; | |
| 1073 | |
| 1074 if (!vpkt->vpkt_tgt_init_bp) | |
| 1075 return (TRAN_BADPKT); | |
| 1076 | |
| 1077 addr = bp_mapin_common(vpkt->vpkt_tgt_init_bp, | |
| 1078 (vpkt->vpkt_flags & CFLAG_NOWAIT) ? VM_NOSLEEP : VM_SLEEP); | |
| 1079 if (addr == NULL) | |
| 1080 return (TRAN_BUSY); | |
| 1081 | |
| 1082 mutex_enter(&vlun->svl_mutex); | |
| 1083 | |
| 1084 vhci_print_prout_keys(vlun, "v_pgr_reg_start: before bcopy:"); | |
| 1085 | |
| 1086 bcopy(addr, &vlun->svl_prout, sizeof (vhci_prout_t) - | |
| 1087 (2 * MHIOC_RESV_KEY_SIZE*sizeof (char))); | |
| 1088 bcopy(pkt->pkt_cdbp, vlun->svl_cdb, sizeof (vlun->svl_cdb)); | |
| 1089 | |
| 1090 vhci_print_prout_keys(vlun, "v_pgr_reg_start: after bcopy:"); | |
| 1091 | |
| 1092 vlun->svl_time = pkt->pkt_time; | |
| 1093 vlun->svl_bcount = vpkt->vpkt_tgt_init_bp->b_bcount; | |
| 1094 vlun->svl_first_path = vpkt->vpkt_path; | |
| 1095 mutex_exit(&vlun->svl_mutex); | |
| 1096 return (0); | |
| 1097 } | |
| 1098 | |
| 1099 /* | |
| 1100 * Function name : vhci_scsi_start() | |
| 1101 * | |
| 1102 * Return Values : TRAN_FATAL_ERROR - vhci has been shutdown | |
| 1103 * or other fatal failure | |
| 1104 * preventing packet transportation | |
| 1105 * TRAN_BUSY - request queue is full | |
| 1106 * TRAN_ACCEPT - pkt has been submitted to phci | |
| 1107 * (or is held in the waitQ) | |
| 1108 * Description : Implements SCSA's tran_start() entry point for | |
| 1109 * packet transport | |
| 1110 * | |
| 1111 */ | |
| 1112 static int | |
| 1113 vhci_scsi_start(struct scsi_address *ap, struct scsi_pkt *pkt) | |
| 1114 { | |
| 1115 int rval = TRAN_ACCEPT; | |
| 1116 int instance, held; | |
| 1117 struct scsi_vhci *vhci = ADDR2VHCI(ap); | |
| 1118 struct scsi_vhci_lun *vlun = ADDR2VLUN(ap); | |
| 1119 struct vhci_pkt *vpkt = TGTPKT2VHCIPKT(pkt); | |
| 1120 int flags = 0; | |
| 1121 scsi_vhci_priv_t *svp; | |
| 1122 dev_info_t *cdip; | |
| 1123 client_lb_t lbp; | |
| 1124 int restore_lbp = 0; | |
| 1125 /* set if pkt is SCSI-II RESERVE cmd */ | |
| 1126 int pkt_reserve_cmd = 0; | |
| 1127 int reserve_failed = 0; | |
| 1128 | |
| 1129 ASSERT(vhci != NULL); | |
| 1130 ASSERT(vpkt != NULL); | |
| 1131 ASSERT(vpkt->vpkt_state != VHCI_PKT_ISSUED); | |
| 1132 cdip = ADDR2DIP(ap); | |
| 1133 | |
| 1134 /* | |
| 1135 * Block IOs if LUN is held or QUIESCED for IOs. | |
| 1136 */ | |
| 1137 if ((VHCI_LUN_IS_HELD(vlun)) || | |
| 1138 ((vlun->svl_flags & VLUN_QUIESCED_FLG) == VLUN_QUIESCED_FLG)) { | |
| 1139 return (TRAN_BUSY); | |
| 1140 } | |
| 1141 | |
| 1142 /* | |
| 1143 * vhci_lun needs to be quiesced before SCSI-II RESERVE command | |
| 1144 * can be issued. This may require a cv_timedwait, which is | |
| 1145 * dangerous to perform in an interrupt context. So if this | |
| 1146 * is a RESERVE command a taskq is dispatched to service it. | |
| 1147 * This taskq shall again call vhci_scsi_start, but we shall be | |
| 1148 * sure its not in an interrupt context. | |
| 1149 */ | |
| 1150 if ((pkt->pkt_cdbp[0] == SCMD_RESERVE) || | |
| 1151 (pkt->pkt_cdbp[0] == SCMD_RESERVE_G1)) { | |
| 1152 if (!(vpkt->vpkt_state & VHCI_PKT_THRU_TASKQ)) { | |
| 1153 if (taskq_dispatch(vhci->vhci_taskq, | |
| 1154 vhci_dispatch_scsi_start, (void *) vpkt, | |
| 1155 KM_NOSLEEP)) { | |
| 1156 return (TRAN_ACCEPT); | |
| 1157 } else { | |
| 1158 return (TRAN_BUSY); | |
| 1159 } | |
| 1160 } | |
| 1161 | |
| 1162 /* | |
| 1163 * Here we ensure that simultaneous SCSI-II RESERVE cmds don't | |
| 1164 * get serviced for a lun. | |
| 1165 */ | |
| 1166 VHCI_HOLD_LUN(vlun, VH_NOSLEEP, held); | |
| 1167 if (!held) { | |
| 1168 return (TRAN_BUSY); | |
| 1169 } else if ((vlun->svl_flags & VLUN_QUIESCED_FLG) == | |
| 1170 VLUN_QUIESCED_FLG) { | |
| 1171 VHCI_RELEASE_LUN(vlun); | |
| 1172 return (TRAN_BUSY); | |
| 1173 } | |
| 1174 | |
| 1175 /* | |
| 1176 * To ensure that no IOs occur for this LUN for the duration | |
| 1177 * of this pkt set the VLUN_QUIESCED_FLG. | |
| 1178 * In case this routine needs to exit on error make sure that | |
| 1179 * this flag is cleared. | |
| 1180 */ | |
| 1181 vlun->svl_flags |= VLUN_QUIESCED_FLG; | |
| 1182 pkt_reserve_cmd = 1; | |
| 1183 | |
| 1184 /* | |
| 1185 * if this is a SCSI-II RESERVE command, set load balancing | |
| 1186 * policy to be ALTERNATE PATH to ensure that all subsequent | |
| 1187 * IOs are routed on the same path. This is because if commands | |
| 1188 * are routed across multiple paths then IOs on paths other than | |
| 1189 * the one on which the RESERVE was executed will get a | |
| 1190 * RESERVATION CONFLICT | |
| 1191 */ | |
| 1192 lbp = mdi_get_lb_policy(cdip); | |
| 1193 if (lbp != LOAD_BALANCE_NONE) { | |
| 1194 if (vhci_quiesce_lun(vlun) != 1) { | |
| 1195 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 1196 VHCI_RELEASE_LUN(vlun); | |
| 1197 return (TRAN_FATAL_ERROR); | |
| 1198 } | |
| 1199 vlun->svl_lb_policy_save = lbp; | |
| 1200 if (mdi_set_lb_policy(cdip, LOAD_BALANCE_NONE) != | |
| 1201 MDI_SUCCESS) { | |
| 1202 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 1203 VHCI_RELEASE_LUN(vlun); | |
| 1204 return (TRAN_FATAL_ERROR); | |
| 1205 } | |
| 1206 restore_lbp = 1; | |
| 1207 } | |
| 1208 /* | |
| 1209 * See comments for VLUN_RESERVE_ACTIVE_FLG in scsi_vhci.h | |
| 1210 * To narrow this window where a reserve command may be sent | |
| 1211 * down an inactive path the path states first need to be | |
| 1212 * updated. Before calling vhci_update_pathstates reset | |
| 1213 * VLUN_RESERVE_ACTIVE_FLG, just in case it was already set | |
| 1214 * for this lun. This shall prevent an unnecessary reset | |
| 1215 * from being sent out. | |
| 1216 */ | |
| 1217 vlun->svl_flags &= ~VLUN_RESERVE_ACTIVE_FLG; | |
| 1218 vhci_update_pathstates((void *)vlun); | |
| 1219 } | |
| 1220 | |
| 1221 instance = ddi_get_instance(vhci->vhci_dip); | |
| 1222 | |
| 1223 /* | |
| 1224 * If the command is PRIN with action of zero, then the cmd | |
| 1225 * is reading PR keys which requires filtering on completion. | |
| 1226 * Data cache sync must be guaranteed. | |
| 1227 */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1228 if ((pkt->pkt_cdbp[0] == SCMD_PRIN) && (pkt->pkt_cdbp[1] == 0) && |
| 4851 | 1229 (vpkt->vpkt_org_vpkt == NULL)) { |
| 1230 vpkt->vpkt_tgt_init_pkt_flags |= PKT_CONSISTENT; | |
| 1231 } | |
| 1232 | |
| 1233 /* | |
| 1234 * Do not defer bind for PKT_DMA_PARTIAL | |
| 1235 */ | |
| 1236 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 1237 | |
| 1238 /* This is a non pkt_dma_partial case */ | |
| 1239 if ((rval = vhci_bind_transport( | |
| 1240 ap, vpkt, vpkt->vpkt_tgt_init_pkt_flags, NULL_FUNC)) | |
| 1241 != TRAN_ACCEPT) { | |
| 1242 VHCI_DEBUG(6, (CE_WARN, vhci->vhci_dip, | |
| 1243 "!vhci%d %x: failed to bind transport: " | |
| 1244 "vlun 0x%p pkt_reserved %x restore_lbp %x," | |
| 1245 "lbp %x", instance, rval, (void *)vlun, | |
| 1246 pkt_reserve_cmd, restore_lbp, lbp)); | |
| 1247 if (restore_lbp) | |
| 1248 (void) mdi_set_lb_policy(cdip, lbp); | |
| 1249 if (pkt_reserve_cmd) | |
| 1250 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 1251 return (rval); | |
| 1252 } | |
| 1253 VHCI_DEBUG(8, (CE_NOTE, NULL, | |
| 1254 "vhci_scsi_start: v_b_t called 0x%p\n", (void *)vpkt)); | |
| 1255 } | |
| 1256 ASSERT(vpkt->vpkt_hba_pkt != NULL); | |
| 1257 ASSERT(vpkt->vpkt_path != NULL); | |
| 1258 | |
| 1259 /* | |
| 1260 * This is the chance to adjust the pHCI's pkt and other information | |
| 1261 * from target driver's pkt. | |
| 1262 */ | |
| 1263 VHCI_DEBUG(8, (CE_NOTE, vhci->vhci_dip, "vhci_scsi_start vpkt %p\n", | |
| 1264 (void *)vpkt)); | |
| 1265 vhci_update_pHCI_pkt(vpkt, pkt); | |
| 1266 | |
| 1267 if (vlun->svl_flags & VLUN_RESERVE_ACTIVE_FLG) { | |
| 1268 if (vpkt->vpkt_path != vlun->svl_resrv_pip) { | |
| 1269 VHCI_DEBUG(1, (CE_WARN, vhci->vhci_dip, | |
| 1270 "!vhci_bind: reserve flag set for vlun 0x%p, but, " | |
| 1271 "pktpath 0x%p resrv path 0x%p differ. lb_policy %x", | |
| 1272 (void *)vlun, (void *)vpkt->vpkt_path, | |
| 1273 (void *)vlun->svl_resrv_pip, | |
| 1274 mdi_get_lb_policy(cdip))); | |
| 1275 reserve_failed = 1; | |
| 1276 } | |
| 1277 } | |
| 1278 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1279 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(vpkt->vpkt_path); |
| 4851 | 1280 if (svp == NULL || reserve_failed) { |
| 1281 if (pkt_reserve_cmd) { | |
| 1282 VHCI_DEBUG(6, (CE_WARN, vhci->vhci_dip, | |
| 1283 "!vhci_bind returned null svp vlun 0x%p", | |
| 1284 (void *)vlun)); | |
| 1285 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 1286 if (restore_lbp) | |
| 1287 (void) mdi_set_lb_policy(cdip, lbp); | |
| 1288 } | |
| 1289 pkt_cleanup: | |
| 1290 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 1291 scsi_destroy_pkt(vpkt->vpkt_hba_pkt); | |
| 1292 vpkt->vpkt_hba_pkt = NULL; | |
| 1293 if (vpkt->vpkt_path) { | |
| 1294 mdi_rele_path(vpkt->vpkt_path); | |
| 1295 vpkt->vpkt_path = NULL; | |
| 1296 } | |
| 1297 } | |
| 1298 if ((pkt->pkt_cdbp[0] == SCMD_PROUT) && | |
| 1299 (((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_REGISTER) || | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1300 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_R_AND_IGNORE))) { |
| 4851 | 1301 sema_v(&vlun->svl_pgr_sema); |
| 1302 } | |
| 1303 return (TRAN_BUSY); | |
| 1304 } | |
| 1305 | |
| 1306 VHCI_INCR_PATH_CMDCOUNT(svp); | |
| 1307 | |
| 1308 /* | |
| 1309 * Ensure that no other IOs raced ahead, while a RESERVE cmd was | |
| 1310 * QUIESCING the same lun. | |
| 1311 */ | |
| 1312 if ((!pkt_reserve_cmd) && | |
| 1313 ((vlun->svl_flags & VLUN_QUIESCED_FLG) == VLUN_QUIESCED_FLG)) { | |
| 1314 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 1315 goto pkt_cleanup; | |
| 1316 } | |
| 1317 | |
| 1318 if ((pkt->pkt_cdbp[0] == SCMD_PRIN) || | |
| 1319 (pkt->pkt_cdbp[0] == SCMD_PROUT)) { | |
| 1320 /* | |
| 1321 * currently this thread only handles running PGR | |
| 1322 * commands, so don't bother creating it unless | |
| 1323 * something interesting is going to happen (like | |
| 1324 * either a PGR out, or a PGR in with enough space | |
| 1325 * to hold the keys that are getting returned) | |
| 1326 */ | |
| 1327 mutex_enter(&vlun->svl_mutex); | |
| 1328 if (((vlun->svl_flags & VLUN_TASK_D_ALIVE_FLG) == 0) && | |
| 1329 (pkt->pkt_cdbp[0] == SCMD_PROUT)) { | |
| 1330 vlun->svl_taskq = taskq_create("vlun_pgr_task_daemon", | |
| 1331 1, MINCLSYSPRI, 1, 4, 0); | |
| 1332 vlun->svl_flags |= VLUN_TASK_D_ALIVE_FLG; | |
| 1333 } | |
| 1334 mutex_exit(&vlun->svl_mutex); | |
| 1335 if ((pkt->pkt_cdbp[0] == SCMD_PROUT) && | |
| 1336 (((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_REGISTER) || | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1337 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_R_AND_IGNORE))) { |
| 4851 | 1338 if (rval = vhci_pgr_register_start(vlun, pkt)) { |
| 1339 /* an error */ | |
| 1340 sema_v(&vlun->svl_pgr_sema); | |
| 1341 return (rval); | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 1346 /* | |
| 1347 * SCSI-II RESERVE cmd is not expected in polled mode. | |
| 1348 * If this changes it needs to be handled for the polled scenario. | |
| 1349 */ | |
| 1350 flags = vpkt->vpkt_hba_pkt->pkt_flags; | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1351 |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1352 /* |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1353 * Set the path_instance *before* sending the scsi_pkt down the path |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1354 * to mpxio's pHCI so that additional path abstractions at a pHCI |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1355 * level (like maybe iSCSI at some point in the future) can update |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1356 * the path_instance. |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1357 */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1358 if (scsi_pkt_allocated_correctly(vpkt->vpkt_hba_pkt)) |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1359 vpkt->vpkt_hba_pkt->pkt_path_instance = |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1360 mdi_pi_get_path_instance(vpkt->vpkt_path); |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
1361 |
| 4851 | 1362 rval = scsi_transport(vpkt->vpkt_hba_pkt); |
| 1363 if (rval == TRAN_ACCEPT) { | |
| 1364 if (flags & FLAG_NOINTR) { | |
| 1365 struct scsi_pkt *tpkt = vpkt->vpkt_tgt_pkt; | |
| 1366 struct scsi_pkt *pkt = vpkt->vpkt_hba_pkt; | |
| 1367 | |
| 1368 ASSERT(tpkt != NULL); | |
| 1369 *(tpkt->pkt_scbp) = *(pkt->pkt_scbp); | |
| 1370 tpkt->pkt_resid = pkt->pkt_resid; | |
| 1371 tpkt->pkt_state = pkt->pkt_state; | |
| 1372 tpkt->pkt_statistics = pkt->pkt_statistics; | |
| 1373 tpkt->pkt_reason = pkt->pkt_reason; | |
| 1374 | |
| 1375 if ((*(pkt->pkt_scbp) == STATUS_CHECK) && | |
| 1376 (pkt->pkt_state & STATE_ARQ_DONE)) { | |
| 1377 bcopy(pkt->pkt_scbp, tpkt->pkt_scbp, | |
| 1378 vpkt->vpkt_tgt_init_scblen); | |
| 1379 } | |
| 1380 | |
| 1381 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 1382 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 1383 scsi_destroy_pkt(vpkt->vpkt_hba_pkt); | |
| 1384 vpkt->vpkt_hba_pkt = NULL; | |
| 1385 if (vpkt->vpkt_path) { | |
| 1386 mdi_rele_path(vpkt->vpkt_path); | |
| 1387 vpkt->vpkt_path = NULL; | |
| 1388 } | |
| 1389 } | |
| 1390 /* | |
| 1391 * This path will not automatically retry pkts | |
| 1392 * internally, therefore, vpkt_org_vpkt should | |
| 1393 * never be set. | |
| 1394 */ | |
| 1395 ASSERT(vpkt->vpkt_org_vpkt == NULL); | |
|
9106
ee8f18cdafb2
6809527 scsi_hba_pkt_comp():More consumers
srivijitha dugganapalli <Srivijitha.Dugganapalli@Sun.COM>
parents:
8851
diff
changeset
|
1396 scsi_hba_pkt_comp(tpkt); |
| 4851 | 1397 } |
| 1398 return (rval); | |
| 1399 } else if ((pkt->pkt_cdbp[0] == SCMD_PROUT) && | |
| 1400 (((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_REGISTER) || | |
| 1401 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_R_AND_IGNORE))) { | |
| 1402 /* the command exited with bad status */ | |
| 1403 sema_v(&vlun->svl_pgr_sema); | |
| 1404 } else if (vpkt->vpkt_tgt_pkt->pkt_cdbp[0] == SCMD_PRIN) { | |
| 1405 /* the command exited with bad status */ | |
| 1406 sema_v(&vlun->svl_pgr_sema); | |
| 1407 } else if (pkt_reserve_cmd) { | |
| 1408 VHCI_DEBUG(6, (CE_WARN, vhci->vhci_dip, | |
| 1409 "!vhci_scsi_start: reserve failed vlun 0x%p", | |
| 1410 (void *)vlun)); | |
| 1411 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 1412 if (restore_lbp) | |
| 1413 (void) mdi_set_lb_policy(cdip, lbp); | |
| 1414 } | |
| 1415 | |
| 1416 ASSERT(vpkt->vpkt_hba_pkt != NULL); | |
| 1417 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 1418 | |
| 1419 /* Do not destroy phci packet information for PKT_DMA_PARTIAL */ | |
| 1420 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 1421 scsi_destroy_pkt(vpkt->vpkt_hba_pkt); | |
| 1422 vpkt->vpkt_hba_pkt = NULL; | |
| 1423 if (vpkt->vpkt_path) { | |
| 1424 MDI_PI_ERRSTAT(vpkt->vpkt_path, MDI_PI_TRANSERR); | |
| 1425 mdi_rele_path(vpkt->vpkt_path); | |
| 1426 vpkt->vpkt_path = NULL; | |
| 1427 } | |
| 1428 } | |
| 1429 return (TRAN_BUSY); | |
| 1430 } | |
| 1431 | |
| 1432 /* | |
| 1433 * Function name : vhci_scsi_reset() | |
| 1434 * | |
| 1435 * Return Values : 0 - reset failed | |
| 1436 * 1 - reset succeeded | |
| 1437 */ | |
| 1438 | |
| 1439 /* ARGSUSED */ | |
| 1440 static int | |
| 1441 vhci_scsi_reset(struct scsi_address *ap, int level) | |
| 1442 { | |
| 1443 int rval = 0; | |
| 1444 | |
| 1445 cmn_err(CE_WARN, "!vhci_scsi_reset 0x%x", level); | |
| 1446 if ((level == RESET_TARGET) || (level == RESET_LUN)) { | |
| 1447 return (vhci_scsi_reset_target(ap, level, TRUE)); | |
| 1448 } else if (level == RESET_ALL) { | |
| 1449 return (vhci_scsi_reset_bus(ap)); | |
| 1450 } | |
| 1451 | |
| 1452 return (rval); | |
| 1453 } | |
| 1454 | |
| 1455 /* | |
| 1456 * vhci_recovery_reset: | |
| 1457 * Issues reset to the device | |
| 1458 * Input: | |
| 1459 * vlun - vhci lun pointer of the device | |
| 1460 * ap - address of the device | |
| 1461 * select_path: | |
| 1462 * If select_path is FALSE, then the address specified in ap is | |
| 1463 * the path on which reset will be issued. | |
| 1464 * If select_path is TRUE, then path is obtained by calling | |
| 1465 * mdi_select_path. | |
| 1466 * | |
| 1467 * recovery_depth: | |
| 1468 * Caller can specify the level of reset. | |
| 1469 * VHCI_DEPTH_LUN - | |
| 1470 * Issues LUN RESET if device supports lun reset. | |
| 1471 * VHCI_DEPTH_TARGET - | |
| 1472 * If Lun Reset fails or the device does not support | |
| 1473 * Lun Reset, issues TARGET RESET | |
| 1474 * VHCI_DEPTH_ALL - | |
| 1475 * If Lun Reset fails or the device does not support | |
| 1476 * Lun Reset, issues TARGET RESET. | |
| 1477 * If TARGET RESET does not succeed, issues Bus Reset. | |
| 1478 */ | |
| 1479 | |
| 1480 static int | |
| 1481 vhci_recovery_reset(scsi_vhci_lun_t *vlun, struct scsi_address *ap, | |
| 1482 uint8_t select_path, uint8_t recovery_depth) | |
| 1483 { | |
| 1484 int ret = 0; | |
| 1485 | |
| 1486 ASSERT(ap != NULL); | |
| 1487 | |
| 1488 if (vlun && vlun->svl_support_lun_reset == 1) { | |
| 1489 ret = vhci_scsi_reset_target(ap, RESET_LUN, | |
| 1490 select_path); | |
| 1491 } | |
| 1492 | |
| 1493 recovery_depth--; | |
| 1494 | |
| 1495 if ((ret == 0) && recovery_depth) { | |
| 1496 ret = vhci_scsi_reset_target(ap, RESET_TARGET, | |
| 1497 select_path); | |
| 1498 recovery_depth--; | |
| 1499 } | |
| 1500 | |
| 1501 if ((ret == 0) && recovery_depth) { | |
| 1502 (void) scsi_reset(ap, RESET_ALL); | |
| 1503 } | |
| 1504 | |
| 1505 return (ret); | |
| 1506 } | |
| 1507 | |
| 1508 /* | |
| 1509 * Note: The scsi_address passed to this routine could be the scsi_address | |
| 1510 * for the virtual device or the physical device. No assumptions should be | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
1511 * made in this routine about the contents of the ap structure. |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
1512 * Further, note that the child dip would be the dip of the ssd node regardless |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
1513 * of the scsi_address passed in. |
| 4851 | 1514 */ |
| 1515 static int | |
| 1516 vhci_scsi_reset_target(struct scsi_address *ap, int level, uint8_t select_path) | |
| 1517 { | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
1518 dev_info_t *vdip, *cdip; |
| 4851 | 1519 mdi_pathinfo_t *pip = NULL; |
| 1520 mdi_pathinfo_t *npip = NULL; | |
| 1521 int rval = -1; | |
| 1522 scsi_vhci_priv_t *svp = NULL; | |
| 1523 struct scsi_address *pap = NULL; | |
| 1524 scsi_hba_tran_t *hba = NULL; | |
| 1525 int sps; | |
| 1526 struct scsi_vhci *vhci = NULL; | |
| 1527 | |
| 1528 if (select_path != TRUE) { | |
| 1529 ASSERT(ap != NULL); | |
| 1530 if (level == RESET_LUN) { | |
| 1531 hba = ap->a_hba_tran; | |
| 1532 ASSERT(hba != NULL); | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1533 return (hba->tran_reset(ap, RESET_LUN)); |
| 4851 | 1534 } |
| 1535 return (scsi_reset(ap, level)); | |
| 1536 } | |
| 1537 | |
|
8851
cf2ef2a74136
6801824 Panic in vhci_scsi_reset_target
Chris Liu <Chris.Liu@Sun.COM>
parents:
8335
diff
changeset
|
1538 cdip = ADDR2DIP(ap); |
| 4851 | 1539 ASSERT(cdip != NULL); |
| 1540 vdip = ddi_get_parent(cdip); | |
| 1541 ASSERT(vdip != NULL); | |
| 1542 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(vdip)); | |
| 1543 ASSERT(vhci != NULL); | |
| 1544 | |
| 1545 rval = mdi_select_path(cdip, NULL, MDI_SELECT_ONLINE_PATH, NULL, &pip); | |
| 1546 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 1547 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_scsi_reset_target: " | |
| 1548 "Unable to get a path, dip 0x%p", (void *)cdip)); | |
| 1549 return (0); | |
| 1550 } | |
| 1551 again: | |
| 1552 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 1553 if (svp == NULL) { | |
| 1554 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_scsi_reset_target: " | |
| 1555 "priv is NULL, pip 0x%p", (void *)pip)); | |
| 1556 mdi_rele_path(pip); | |
| 1557 return (0); | |
| 1558 } | |
| 1559 | |
| 1560 if (svp->svp_psd == NULL) { | |
| 1561 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_scsi_reset_target: " | |
| 1562 "psd is NULL, pip 0x%p, svp 0x%p", | |
| 1563 (void *)pip, (void *)svp)); | |
| 1564 mdi_rele_path(pip); | |
| 1565 return (0); | |
| 1566 } | |
| 1567 | |
| 1568 pap = &svp->svp_psd->sd_address; | |
| 1569 hba = pap->a_hba_tran; | |
| 1570 | |
| 1571 ASSERT(pap != NULL); | |
| 1572 ASSERT(hba != NULL); | |
| 1573 | |
| 1574 if (hba->tran_reset != NULL) { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1575 if (hba->tran_reset(pap, level) == 0) { |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
1576 vhci_log(CE_WARN, vdip, "!%s%d: " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
1577 "path %s, reset %d failed", |
| 4851 | 1578 ddi_driver_name(cdip), ddi_get_instance(cdip), |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
1579 mdi_pi_spathname(pip), level); |
| 4851 | 1580 |
| 1581 /* | |
| 1582 * Select next path and issue the reset, repeat | |
| 1583 * until all paths are exhausted | |
| 1584 */ | |
| 1585 sps = mdi_select_path(cdip, NULL, | |
| 1586 MDI_SELECT_ONLINE_PATH, pip, &npip); | |
| 1587 if ((sps != MDI_SUCCESS) || (npip == NULL)) { | |
| 1588 mdi_rele_path(pip); | |
| 1589 return (0); | |
| 1590 } | |
| 1591 mdi_rele_path(pip); | |
| 1592 pip = npip; | |
| 1593 goto again; | |
| 1594 } | |
| 1595 mdi_rele_path(pip); | |
| 1596 mutex_enter(&vhci->vhci_mutex); | |
| 1597 scsi_hba_reset_notify_callback(&vhci->vhci_mutex, | |
| 1598 &vhci->vhci_reset_notify_listf); | |
| 1599 mutex_exit(&vhci->vhci_mutex); | |
| 1600 VHCI_DEBUG(6, (CE_NOTE, NULL, "!vhci_scsi_reset_target: " | |
| 1601 "reset %d sent down pip:%p for cdip:%p\n", level, | |
| 1602 (void *)pip, (void *)cdip)); | |
| 1603 return (1); | |
| 1604 } | |
| 1605 mdi_rele_path(pip); | |
| 1606 return (0); | |
| 1607 } | |
| 1608 | |
| 1609 | |
| 1610 /* ARGSUSED */ | |
| 1611 static int | |
| 1612 vhci_scsi_reset_bus(struct scsi_address *ap) | |
| 1613 { | |
| 1614 return (1); | |
| 1615 } | |
| 1616 | |
| 1617 | |
| 1618 /* | |
| 1619 * called by vhci_getcap and vhci_setcap to get and set (respectively) | |
| 1620 * SCSI capabilities | |
| 1621 */ | |
| 1622 /* ARGSUSED */ | |
| 1623 static int | |
| 1624 vhci_commoncap(struct scsi_address *ap, char *cap, | |
| 1625 int val, int tgtonly, int doset) | |
| 1626 { | |
| 1627 struct scsi_vhci *vhci = ADDR2VHCI(ap); | |
| 1628 struct scsi_vhci_lun *vlun = ADDR2VLUN(ap); | |
| 1629 int cidx; | |
| 1630 int rval = 0; | |
| 1631 | |
| 1632 if (cap == (char *)0) { | |
| 1633 VHCI_DEBUG(3, (CE_WARN, vhci->vhci_dip, | |
| 1634 "!vhci_commoncap: invalid arg")); | |
| 1635 return (rval); | |
| 1636 } | |
| 1637 | |
|
4882
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1638 if (vlun == NULL) { |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1639 VHCI_DEBUG(3, (CE_WARN, vhci->vhci_dip, |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1640 "!vhci_commoncap: vlun is null")); |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1641 return (rval); |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1642 } |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
1643 |
| 4851 | 1644 if ((cidx = scsi_hba_lookup_capstr(cap)) == -1) { |
| 1645 return (UNDEFINED); | |
| 1646 } | |
| 1647 | |
| 1648 /* | |
| 1649 * Process setcap request. | |
| 1650 */ | |
| 1651 if (doset) { | |
| 1652 /* | |
| 1653 * At present, we can only set binary (0/1) values | |
| 1654 */ | |
| 1655 switch (cidx) { | |
| 1656 case SCSI_CAP_ARQ: | |
| 1657 if (val == 0) { | |
| 1658 rval = 0; | |
| 1659 } else { | |
| 1660 rval = 1; | |
| 1661 } | |
| 1662 break; | |
| 1663 | |
| 1664 case SCSI_CAP_LUN_RESET: | |
| 1665 if (tgtonly == 0) { | |
| 1666 VHCI_DEBUG(1, (CE_WARN, vhci->vhci_dip, | |
| 1667 "scsi_vhci_setcap: " | |
| 1668 "Returning error since whom = 0")); | |
| 1669 rval = -1; | |
| 1670 break; | |
| 1671 } | |
| 1672 /* | |
| 1673 * Set the capability accordingly. | |
| 1674 */ | |
| 1675 mutex_enter(&vlun->svl_mutex); | |
| 1676 vlun->svl_support_lun_reset = val; | |
| 1677 rval = val; | |
| 1678 mutex_exit(&vlun->svl_mutex); | |
| 1679 break; | |
| 1680 | |
| 1681 case SCSI_CAP_SECTOR_SIZE: | |
| 1682 mutex_enter(&vlun->svl_mutex); | |
| 1683 vlun->svl_sector_size = val; | |
| 1684 vlun->svl_setcap_done = 1; | |
| 1685 mutex_exit(&vlun->svl_mutex); | |
| 1686 (void) vhci_pHCI_cap(ap, cap, val, tgtonly, NULL); | |
| 1687 | |
| 1688 /* Always return success */ | |
| 1689 rval = 1; | |
| 1690 break; | |
| 1691 | |
| 1692 default: | |
| 1693 VHCI_DEBUG(6, (CE_WARN, vhci->vhci_dip, | |
| 1694 "!vhci_setcap: unsupported %d", cidx)); | |
| 1695 rval = UNDEFINED; | |
| 1696 break; | |
| 1697 } | |
| 1698 | |
| 1699 VHCI_DEBUG(6, (CE_NOTE, vhci->vhci_dip, | |
| 1700 "!set cap: cap=%s, val/tgtonly/doset/rval = " | |
| 1701 "0x%x/0x%x/0x%x/%d\n", | |
| 1702 cap, val, tgtonly, doset, rval)); | |
| 1703 | |
| 1704 } else { | |
| 1705 /* | |
| 1706 * Process getcap request. | |
| 1707 */ | |
| 1708 switch (cidx) { | |
| 1709 case SCSI_CAP_DMA_MAX: | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1710 /* |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1711 * For X86 this capability is caught in scsi_ifgetcap(). |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1712 * XXX Should this be getting the value from the pHCI? |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1713 */ |
| 4851 | 1714 rval = (int)VHCI_DMA_MAX_XFER_CAP; |
| 1715 break; | |
| 1716 | |
| 1717 case SCSI_CAP_INITIATOR_ID: | |
| 1718 rval = 0x00; | |
| 1719 break; | |
| 1720 | |
| 1721 case SCSI_CAP_ARQ: | |
| 1722 case SCSI_CAP_RESET_NOTIFICATION: | |
| 1723 case SCSI_CAP_TAGGED_QING: | |
| 1724 rval = 1; | |
| 1725 break; | |
| 1726 | |
| 1727 case SCSI_CAP_SCSI_VERSION: | |
| 1728 rval = 3; | |
| 1729 break; | |
| 1730 | |
| 1731 case SCSI_CAP_INTERCONNECT_TYPE: | |
| 1732 rval = INTERCONNECT_FABRIC; | |
| 1733 break; | |
| 1734 | |
| 1735 case SCSI_CAP_LUN_RESET: | |
| 1736 /* | |
| 1737 * scsi_vhci will always return success for LUN reset. | |
| 1738 * When request for doing LUN reset comes | |
| 1739 * through scsi_reset entry point, at that time attempt | |
| 1740 * will be made to do reset through all the possible | |
| 1741 * paths. | |
| 1742 */ | |
| 1743 mutex_enter(&vlun->svl_mutex); | |
| 1744 rval = vlun->svl_support_lun_reset; | |
| 1745 mutex_exit(&vlun->svl_mutex); | |
| 1746 VHCI_DEBUG(4, (CE_WARN, vhci->vhci_dip, | |
| 1747 "scsi_vhci_getcap:" | |
| 1748 "Getting the Lun reset capability %d", rval)); | |
| 1749 break; | |
| 1750 | |
| 1751 case SCSI_CAP_SECTOR_SIZE: | |
| 1752 mutex_enter(&vlun->svl_mutex); | |
| 1753 rval = vlun->svl_sector_size; | |
| 1754 mutex_exit(&vlun->svl_mutex); | |
| 1755 break; | |
| 1756 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1757 case SCSI_CAP_CDB_LEN: |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1758 rval = VHCI_SCSI_CDB_SIZE; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1759 break; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1760 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1761 case SCSI_CAP_DMA_MAX_ARCH: |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1762 /* |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1763 * For X86 this capability is caught in scsi_ifgetcap(). |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1764 * XXX Should this be getting the value from the pHCI? |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1765 */ |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1766 rval = 0; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1767 break; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
1768 |
| 4851 | 1769 default: |
| 1770 VHCI_DEBUG(6, (CE_WARN, vhci->vhci_dip, | |
| 1771 "!vhci_getcap: unsupported %d", cidx)); | |
| 1772 rval = UNDEFINED; | |
| 1773 break; | |
| 1774 } | |
| 1775 | |
| 1776 VHCI_DEBUG(6, (CE_NOTE, vhci->vhci_dip, | |
| 1777 "!get cap: cap=%s, val/tgtonly/doset/rval = " | |
| 1778 "0x%x/0x%x/0x%x/%d\n", | |
| 1779 cap, val, tgtonly, doset, rval)); | |
| 1780 } | |
| 1781 return (rval); | |
| 1782 } | |
| 1783 | |
| 1784 | |
| 1785 /* | |
| 1786 * Function name : vhci_scsi_getcap() | |
| 1787 * | |
| 1788 */ | |
| 1789 static int | |
| 1790 vhci_scsi_getcap(struct scsi_address *ap, char *cap, int whom) | |
| 1791 { | |
| 1792 return (vhci_commoncap(ap, cap, 0, whom, 0)); | |
| 1793 } | |
| 1794 | |
| 1795 static int | |
| 1796 vhci_scsi_setcap(struct scsi_address *ap, char *cap, int value, int whom) | |
| 1797 { | |
| 1798 return (vhci_commoncap(ap, cap, value, whom, 1)); | |
| 1799 } | |
| 1800 | |
| 1801 /* | |
| 1802 * Function name : vhci_scsi_abort() | |
| 1803 */ | |
| 1804 /* ARGSUSED */ | |
| 1805 static int | |
| 1806 vhci_scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt) | |
| 1807 { | |
| 1808 return (0); | |
| 1809 } | |
| 1810 | |
| 1811 /* | |
| 1812 * Function name : vhci_scsi_init_pkt | |
| 1813 * | |
| 1814 * Return Values : pointer to scsi_pkt, or NULL | |
| 1815 */ | |
| 1816 /* ARGSUSED */ | |
| 1817 static struct scsi_pkt * | |
| 1818 vhci_scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt, | |
| 1819 struct buf *bp, int cmdlen, int statuslen, int tgtlen, | |
| 1820 int flags, int (*callback)(caddr_t), caddr_t arg) | |
| 1821 { | |
| 1822 struct scsi_vhci *vhci = ADDR2VHCI(ap); | |
| 1823 struct vhci_pkt *vpkt; | |
| 1824 int rval; | |
| 1825 int newpkt = 0; | |
| 1826 struct scsi_pkt *pktp; | |
| 1827 | |
| 1828 | |
| 1829 if (pkt == NULL) { | |
| 1830 if (cmdlen > VHCI_SCSI_CDB_SIZE) { | |
|
7654
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1831 if ((cmdlen != VHCI_SCSI_OSD_CDB_SIZE) || |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1832 ((flags & VHCI_SCSI_OSD_PKT_FLAGS) != |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1833 VHCI_SCSI_OSD_PKT_FLAGS)) { |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1834 VHCI_DEBUG(1, (CE_NOTE, NULL, |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1835 "!init pkt: cdb size not supported\n")); |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1836 return (NULL); |
|
82798d9a3db9
6747477 scsi_vhci should not check for cdb length while initializing scsi_pkt
Ramana.Srikanth <Ramana.Srikanth@Sun.COM>
parents:
7461
diff
changeset
|
1837 } |
| 4851 | 1838 } |
| 1839 | |
| 1840 pktp = scsi_hba_pkt_alloc(vhci->vhci_dip, | |
| 1841 ap, cmdlen, statuslen, tgtlen, sizeof (*vpkt), callback, | |
| 1842 arg); | |
| 1843 | |
| 1844 if (pktp == NULL) { | |
| 1845 return (NULL); | |
| 1846 } | |
| 1847 | |
| 1848 /* Get the vhci's private structure */ | |
| 1849 vpkt = (struct vhci_pkt *)(pktp->pkt_ha_private); | |
| 1850 ASSERT(vpkt); | |
| 1851 | |
| 1852 /* Save the target driver's packet */ | |
| 1853 vpkt->vpkt_tgt_pkt = pktp; | |
| 1854 | |
| 1855 /* | |
| 1856 * Save pkt_tgt_init_pkt fields if deferred binding | |
| 1857 * is needed or for other purposes. | |
| 1858 */ | |
| 1859 vpkt->vpkt_tgt_init_pkt_flags = flags; | |
| 1860 vpkt->vpkt_flags = (callback == NULL_FUNC) ? CFLAG_NOWAIT : 0; | |
| 1861 vpkt->vpkt_state = VHCI_PKT_IDLE; | |
| 1862 vpkt->vpkt_tgt_init_cdblen = cmdlen; | |
| 1863 vpkt->vpkt_tgt_init_scblen = statuslen; | |
| 1864 newpkt = 1; | |
| 1865 } else { /* pkt not NULL */ | |
| 1866 vpkt = pkt->pkt_ha_private; | |
| 1867 } | |
| 1868 | |
| 1869 VHCI_DEBUG(8, (CE_NOTE, NULL, "vhci_scsi_init_pkt " | |
| 1870 "vpkt %p flags %x\n", (void *)vpkt, flags)); | |
| 1871 | |
| 1872 /* Clear any stale error flags */ | |
| 1873 if (bp) { | |
| 1874 bioerror(bp, 0); | |
| 1875 } | |
| 1876 | |
| 1877 vpkt->vpkt_tgt_init_bp = bp; | |
| 1878 | |
| 1879 if (flags & PKT_DMA_PARTIAL) { | |
| 1880 | |
| 1881 /* | |
| 1882 * Immediate binding is needed. | |
| 1883 * Target driver may not set this flag in next invocation. | |
| 1884 * vhci has to remember this flag was set during first | |
| 1885 * invocation of vhci_scsi_init_pkt. | |
| 1886 */ | |
| 1887 vpkt->vpkt_flags |= CFLAG_DMA_PARTIAL; | |
| 1888 } | |
| 1889 | |
| 1890 if (vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) { | |
| 1891 | |
| 1892 /* | |
| 1893 * Re-initialize some of the target driver packet state | |
| 1894 * information. | |
| 1895 */ | |
| 1896 vpkt->vpkt_tgt_pkt->pkt_state = 0; | |
| 1897 vpkt->vpkt_tgt_pkt->pkt_statistics = 0; | |
| 1898 vpkt->vpkt_tgt_pkt->pkt_reason = 0; | |
| 1899 | |
| 1900 /* | |
| 1901 * Binding a vpkt->vpkt_path for this IO at init_time. | |
| 1902 * If an IO error happens later, target driver will clear | |
| 1903 * this vpkt->vpkt_path binding before re-init IO again. | |
| 1904 */ | |
| 1905 VHCI_DEBUG(8, (CE_NOTE, NULL, | |
| 1906 "vhci_scsi_init_pkt: calling v_b_t %p, newpkt %d\n", | |
| 1907 (void *)vpkt, newpkt)); | |
| 1908 if (pkt && vpkt->vpkt_hba_pkt) { | |
| 1909 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 1910 "v_s_i_p calling update_pHCI_pkt resid %ld\n", | |
| 1911 pkt->pkt_resid)); | |
| 1912 vhci_update_pHCI_pkt(vpkt, pkt); | |
| 1913 } | |
| 1914 if (callback == SLEEP_FUNC) { | |
| 1915 rval = vhci_bind_transport( | |
| 1916 ap, vpkt, flags, callback); | |
| 1917 } else { | |
| 1918 rval = vhci_bind_transport( | |
| 1919 ap, vpkt, flags, NULL_FUNC); | |
| 1920 } | |
| 1921 VHCI_DEBUG(8, (CE_NOTE, NULL, | |
| 1922 "vhci_scsi_init_pkt: v_b_t called 0x%p rval 0x%x\n", | |
| 1923 (void *)vpkt, rval)); | |
| 1924 if (bp) { | |
| 1925 if (rval == TRAN_FATAL_ERROR) { | |
| 1926 /* | |
| 1927 * No paths available. Could not bind | |
| 1928 * any pHCI. Setting EFAULT as a way | |
| 1929 * to indicate no DMA is mapped. | |
| 1930 */ | |
| 1931 bioerror(bp, EFAULT); | |
| 1932 } else { | |
| 1933 /* | |
| 1934 * Do not indicate any pHCI errors to | |
| 1935 * target driver otherwise. | |
| 1936 */ | |
| 1937 bioerror(bp, 0); | |
| 1938 } | |
| 1939 } | |
| 1940 if (rval != TRAN_ACCEPT) { | |
| 1941 VHCI_DEBUG(8, (CE_NOTE, NULL, | |
| 1942 "vhci_scsi_init_pkt: " | |
| 1943 "v_b_t failed 0x%p newpkt %x\n", | |
| 1944 (void *)vpkt, newpkt)); | |
| 1945 if (newpkt) { | |
| 1946 scsi_hba_pkt_free(ap, | |
| 1947 vpkt->vpkt_tgt_pkt); | |
| 1948 } | |
| 1949 return (NULL); | |
| 1950 } | |
| 1951 ASSERT(vpkt->vpkt_hba_pkt != NULL); | |
| 1952 ASSERT(vpkt->vpkt_path != NULL); | |
| 1953 | |
| 1954 /* Update the resid for the target driver */ | |
| 1955 vpkt->vpkt_tgt_pkt->pkt_resid = | |
| 1956 vpkt->vpkt_hba_pkt->pkt_resid; | |
| 1957 } | |
| 1958 | |
| 1959 return (vpkt->vpkt_tgt_pkt); | |
| 1960 } | |
| 1961 | |
| 1962 /* | |
| 1963 * Function name : vhci_scsi_destroy_pkt | |
| 1964 * | |
| 1965 * Return Values : none | |
| 1966 */ | |
| 1967 static void | |
| 1968 vhci_scsi_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) | |
| 1969 { | |
| 1970 struct vhci_pkt *vpkt = (struct vhci_pkt *)pkt->pkt_ha_private; | |
| 1971 | |
| 1972 VHCI_DEBUG(8, (CE_NOTE, NULL, | |
| 1973 "vhci_scsi_destroy_pkt: vpkt 0x%p\n", (void *)vpkt)); | |
| 1974 | |
| 1975 vpkt->vpkt_tgt_init_pkt_flags = 0; | |
| 1976 if (vpkt->vpkt_hba_pkt) { | |
| 1977 scsi_destroy_pkt(vpkt->vpkt_hba_pkt); | |
| 1978 vpkt->vpkt_hba_pkt = NULL; | |
| 1979 } | |
| 1980 if (vpkt->vpkt_path) { | |
| 1981 mdi_rele_path(vpkt->vpkt_path); | |
| 1982 vpkt->vpkt_path = NULL; | |
| 1983 } | |
| 1984 | |
| 1985 ASSERT(vpkt->vpkt_state != VHCI_PKT_ISSUED); | |
| 1986 scsi_hba_pkt_free(ap, vpkt->vpkt_tgt_pkt); | |
| 1987 } | |
| 1988 | |
| 1989 /* | |
| 1990 * Function name : vhci_scsi_dmafree() | |
| 1991 * | |
| 1992 * Return Values : none | |
| 1993 */ | |
| 1994 /*ARGSUSED*/ | |
| 1995 static void | |
| 1996 vhci_scsi_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) | |
| 1997 { | |
| 1998 struct vhci_pkt *vpkt = (struct vhci_pkt *)pkt->pkt_ha_private; | |
| 1999 | |
| 2000 VHCI_DEBUG(6, (CE_NOTE, NULL, | |
| 2001 "vhci_scsi_dmafree: vpkt 0x%p\n", (void *)vpkt)); | |
| 2002 | |
| 2003 ASSERT(vpkt != NULL); | |
| 2004 if (vpkt->vpkt_hba_pkt) { | |
| 2005 scsi_destroy_pkt(vpkt->vpkt_hba_pkt); | |
| 2006 vpkt->vpkt_hba_pkt = NULL; | |
| 2007 } | |
| 2008 if (vpkt->vpkt_path) { | |
| 2009 mdi_rele_path(vpkt->vpkt_path); | |
| 2010 vpkt->vpkt_path = NULL; | |
| 2011 } | |
| 2012 } | |
| 2013 | |
| 2014 /* | |
| 2015 * Function name : vhci_scsi_sync_pkt() | |
| 2016 * | |
| 2017 * Return Values : none | |
| 2018 */ | |
| 2019 /*ARGSUSED*/ | |
| 2020 static void | |
| 2021 vhci_scsi_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) | |
| 2022 { | |
| 2023 struct vhci_pkt *vpkt = (struct vhci_pkt *)pkt->pkt_ha_private; | |
| 2024 | |
| 2025 ASSERT(vpkt != NULL); | |
| 2026 if (vpkt->vpkt_hba_pkt) { | |
| 2027 scsi_sync_pkt(vpkt->vpkt_hba_pkt); | |
| 2028 } | |
| 2029 } | |
| 2030 | |
| 2031 /* | |
| 2032 * routine for reset notification setup, to register or cancel. | |
| 2033 */ | |
| 2034 static int | |
| 2035 vhci_scsi_reset_notify(struct scsi_address *ap, int flag, | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2036 void (*callback)(caddr_t), caddr_t arg) |
| 4851 | 2037 { |
| 2038 struct scsi_vhci *vhci = ADDR2VHCI(ap); | |
| 2039 return (scsi_hba_reset_notify_setup(ap, flag, callback, arg, | |
| 2040 &vhci->vhci_mutex, &vhci->vhci_reset_notify_listf)); | |
| 2041 } | |
| 2042 | |
| 2043 static int | |
| 2044 vhci_scsi_get_name_bus_addr(struct scsi_device *sd, | |
| 2045 char *name, int len, int bus_addr) | |
| 2046 { | |
| 2047 dev_info_t *cdip; | |
| 2048 char *guid; | |
| 2049 scsi_vhci_lun_t *vlun; | |
| 2050 | |
| 2051 ASSERT(sd != NULL); | |
| 2052 ASSERT(name != NULL); | |
| 2053 | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2054 *name = 0; |
| 4851 | 2055 cdip = sd->sd_dev; |
| 2056 | |
| 2057 ASSERT(cdip != NULL); | |
| 2058 | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2059 if (mdi_component_is_client(cdip, NULL) != MDI_SUCCESS) |
| 4851 | 2060 return (1); |
| 2061 | |
| 2062 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, cdip, PROPFLAGS, | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2063 MDI_CLIENT_GUID_PROP, &guid) != DDI_SUCCESS) |
| 4851 | 2064 return (1); |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2065 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2066 /* |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2067 * Message is "sd# at scsi_vhci0: unit-address <guid>: <bus_addr>". |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2068 * <guid> bus_addr argument == 0 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2069 * <bus_addr> bus_addr argument != 0 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2070 * Since the <guid> is already provided with unit-address, we just |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2071 * provide failover module in <bus_addr> to keep output shorter. |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2072 */ |
| 4851 | 2073 vlun = ADDR2VLUN(&sd->sd_address); |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2074 if (bus_addr == 0) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2075 /* report the guid: */ |
| 4851 | 2076 (void) snprintf(name, len, "g%s", guid); |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2077 } else if (vlun && vlun->svl_fops_name) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2078 /* report the name of the failover module */ |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2079 (void) snprintf(name, len, "%s", vlun->svl_fops_name); |
| 4851 | 2080 } |
| 2081 | |
| 2082 ddi_prop_free(guid); | |
| 2083 return (1); | |
| 2084 } | |
| 2085 | |
| 2086 static int | |
| 2087 vhci_scsi_get_bus_addr(struct scsi_device *sd, char *name, int len) | |
| 2088 { | |
| 2089 return (vhci_scsi_get_name_bus_addr(sd, name, len, 1)); | |
| 2090 } | |
| 2091 | |
| 2092 static int | |
| 2093 vhci_scsi_get_name(struct scsi_device *sd, char *name, int len) | |
| 2094 { | |
| 2095 return (vhci_scsi_get_name_bus_addr(sd, name, len, 0)); | |
| 2096 } | |
| 2097 | |
| 2098 /* | |
| 2099 * Return a pointer to the guid part of the devnm. | |
| 2100 * devnm format is "nodename@busaddr", busaddr format is "gGUID". | |
| 2101 */ | |
| 2102 static char * | |
| 2103 vhci_devnm_to_guid(char *devnm) | |
| 2104 { | |
| 2105 char *cp = devnm; | |
| 2106 | |
| 2107 if (devnm == NULL) | |
| 2108 return (NULL); | |
| 2109 | |
| 2110 while (*cp != '\0' && *cp != '@') | |
| 2111 cp++; | |
| 2112 if (*cp == '@' && *(cp + 1) == 'g') | |
| 2113 return (cp + 2); | |
| 2114 return (NULL); | |
| 2115 } | |
| 2116 | |
| 2117 static int | |
| 2118 vhci_bind_transport(struct scsi_address *ap, struct vhci_pkt *vpkt, int flags, | |
| 2119 int (*func)(caddr_t)) | |
| 2120 { | |
| 2121 struct scsi_vhci *vhci = ADDR2VHCI(ap); | |
| 2122 dev_info_t *cdip = ADDR2DIP(ap); | |
| 2123 mdi_pathinfo_t *pip = NULL; | |
| 2124 mdi_pathinfo_t *npip = NULL; | |
| 2125 scsi_vhci_priv_t *svp = NULL; | |
| 2126 struct scsi_device *psd = NULL; | |
| 2127 struct scsi_address *address = NULL; | |
| 2128 struct scsi_pkt *pkt = NULL; | |
| 2129 int rval = -1; | |
| 2130 int pgr_sema_held = 0; | |
| 2131 int held; | |
| 2132 int mps_flag = MDI_SELECT_ONLINE_PATH; | |
| 2133 struct scsi_vhci_lun *vlun; | |
| 2134 time_t tnow; | |
|
7121
4b91990abccd
6723122 assertion failed: (path_instance == 0) || (path_instance == mdi_pi_get_path_instance(vpkt->vpkt_path
rralphs
parents:
7047
diff
changeset
|
2135 int path_instance = 0; |
| 4851 | 2136 |
| 2137 vlun = ADDR2VLUN(ap); | |
| 2138 ASSERT(vlun != 0); | |
| 2139 | |
| 2140 if ((vpkt->vpkt_tgt_pkt->pkt_cdbp[0] == SCMD_PROUT) && | |
| 2141 (((vpkt->vpkt_tgt_pkt->pkt_cdbp[1] & 0x1f) == | |
| 2142 VHCI_PROUT_REGISTER) || | |
| 2143 ((vpkt->vpkt_tgt_pkt->pkt_cdbp[1] & 0x1f) == | |
| 2144 VHCI_PROUT_R_AND_IGNORE))) { | |
| 2145 if (!sema_tryp(&vlun->svl_pgr_sema)) | |
| 2146 return (TRAN_BUSY); | |
| 2147 pgr_sema_held = 1; | |
| 2148 if (vlun->svl_first_path != NULL) { | |
| 2149 rval = mdi_select_path(cdip, NULL, | |
| 2150 MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH, | |
| 2151 NULL, &pip); | |
| 2152 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 2153 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2154 "vhci_bind_transport: path select fail\n")); | |
| 2155 } else { | |
| 2156 npip = pip; | |
| 2157 do { | |
| 2158 if (npip == vlun->svl_first_path) { | |
| 2159 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2160 "vhci_bind_transport: " | |
| 2161 "valid first path 0x%p\n", | |
| 2162 (void *) | |
| 2163 vlun->svl_first_path)); | |
| 2164 pip = vlun->svl_first_path; | |
| 2165 goto bind_path; | |
| 2166 } | |
| 2167 pip = npip; | |
| 2168 rval = mdi_select_path(cdip, NULL, | |
| 2169 MDI_SELECT_ONLINE_PATH | | |
| 2170 MDI_SELECT_STANDBY_PATH, | |
| 2171 pip, &npip); | |
| 2172 mdi_rele_path(pip); | |
| 2173 } while ((rval == MDI_SUCCESS) && | |
| 2174 (npip != NULL)); | |
| 2175 } | |
| 2176 } | |
| 2177 | |
| 2178 if (vlun->svl_first_path) { | |
| 2179 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2180 "vhci_bind_transport: invalid first path 0x%p\n", | |
| 2181 (void *)vlun->svl_first_path)); | |
| 2182 vlun->svl_first_path = NULL; | |
| 2183 } | |
| 2184 } else if (vpkt->vpkt_tgt_pkt->pkt_cdbp[0] == SCMD_PRIN) { | |
| 2185 if ((vpkt->vpkt_state & VHCI_PKT_THRU_TASKQ) == 0) { | |
| 2186 if (!sema_tryp(&vlun->svl_pgr_sema)) | |
| 2187 return (TRAN_BUSY); | |
| 2188 } | |
| 2189 pgr_sema_held = 1; | |
| 2190 } | |
| 2191 | |
| 2192 /* | |
| 2193 * If the path is already bound for PKT_PARTIAL_DMA case, | |
| 2194 * try to use the same path. | |
| 2195 */ | |
| 2196 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) && vpkt->vpkt_path) { | |
| 2197 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2198 "vhci_bind_transport: PKT_PARTIAL_DMA " | |
| 2199 "vpkt 0x%p, path 0x%p\n", | |
| 2200 (void *)vpkt, (void *)vpkt->vpkt_path)); | |
| 2201 pip = vpkt->vpkt_path; | |
| 2202 goto bind_path; | |
| 2203 } | |
| 2204 | |
| 2205 /* | |
|
7047
8e4f1d0e9dd8
6722672 sd does not clear pkt_path_instance when retrying commands
gap
parents:
6962
diff
changeset
|
2206 * Get path_instance. Non-zero with FLAG_PKT_PATH_INSTANCE set |
|
8e4f1d0e9dd8
6722672 sd does not clear pkt_path_instance when retrying commands
gap
parents:
6962
diff
changeset
|
2207 * indicates that mdi_select_path should be called to select a |
|
8e4f1d0e9dd8
6722672 sd does not clear pkt_path_instance when retrying commands
gap
parents:
6962
diff
changeset
|
2208 * specific instance. |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2209 * |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2210 * NB: Condition pkt_path_instance reference on proper allocation. |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2211 */ |
|
7121
4b91990abccd
6723122 assertion failed: (path_instance == 0) || (path_instance == mdi_pi_get_path_instance(vpkt->vpkt_path
rralphs
parents:
7047
diff
changeset
|
2212 if ((vpkt->vpkt_tgt_pkt->pkt_flags & FLAG_PKT_PATH_INSTANCE) && |
|
4b91990abccd
6723122 assertion failed: (path_instance == 0) || (path_instance == mdi_pi_get_path_instance(vpkt->vpkt_path
rralphs
parents:
7047
diff
changeset
|
2213 scsi_pkt_allocated_correctly(vpkt->vpkt_tgt_pkt)) { |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2214 path_instance = vpkt->vpkt_tgt_pkt->pkt_path_instance; |
|
7121
4b91990abccd
6723122 assertion failed: (path_instance == 0) || (path_instance == mdi_pi_get_path_instance(vpkt->vpkt_path
rralphs
parents:
7047
diff
changeset
|
2215 } |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2216 |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2217 /* |
| 4851 | 2218 * If reservation is active bind the transport directly to the pip |
| 2219 * with the reservation. | |
| 2220 */ | |
| 2221 if (vpkt->vpkt_hba_pkt == NULL) { | |
| 2222 if (vlun->svl_flags & VLUN_RESERVE_ACTIVE_FLG) { | |
| 2223 if (MDI_PI_IS_ONLINE(vlun->svl_resrv_pip)) { | |
| 2224 pip = vlun->svl_resrv_pip; | |
| 2225 mdi_hold_path(pip); | |
| 2226 vlun->svl_waiting_for_activepath = 0; | |
| 2227 rval = MDI_SUCCESS; | |
| 2228 goto bind_path; | |
| 2229 } else { | |
| 2230 if (pgr_sema_held) { | |
| 2231 sema_v(&vlun->svl_pgr_sema); | |
| 2232 } | |
| 2233 return (TRAN_BUSY); | |
| 2234 } | |
| 2235 } | |
| 2236 try_again: | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2237 rval = mdi_select_path(cdip, vpkt->vpkt_tgt_init_bp, |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2238 path_instance ? MDI_SELECT_PATH_INSTANCE : 0, |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2239 (void *)(intptr_t)path_instance, &pip); |
| 4851 | 2240 if (rval == MDI_BUSY) { |
| 2241 if (pgr_sema_held) { | |
| 2242 sema_v(&vlun->svl_pgr_sema); | |
| 2243 } | |
| 2244 return (TRAN_BUSY); | |
| 2245 } else if (rval == MDI_DEVI_ONLINING) { | |
| 2246 /* | |
| 2247 * if we are here then we are in the midst of | |
| 2248 * an attach/probe of the client device. | |
| 2249 * We attempt to bind to ONLINE path if available, | |
| 2250 * else it is OK to bind to a STANDBY path (instead | |
| 2251 * of triggering a failover) because IO associated | |
| 2252 * with attach/probe (eg. INQUIRY, block 0 read) | |
| 2253 * are completed by targets even on passive paths | |
| 2254 * If no ONLINE paths available, it is important | |
| 2255 * to set svl_waiting_for_activepath for two | |
| 2256 * reasons: (1) avoid sense analysis in the | |
| 2257 * "external failure detection" codepath in | |
| 2258 * vhci_intr(). Failure to do so will result in | |
| 2259 * infinite loop (unless an ONLINE path becomes | |
| 2260 * available at some point) (2) avoid | |
| 2261 * unnecessary failover (see "---Waiting For Active | |
| 2262 * Path---" comment below). | |
| 2263 */ | |
| 2264 VHCI_DEBUG(1, (CE_NOTE, NULL, "!%p in onlining " | |
| 2265 "state\n", (void *)cdip)); | |
| 2266 pip = NULL; | |
| 2267 rval = mdi_select_path(cdip, vpkt->vpkt_tgt_init_bp, | |
| 2268 mps_flag, NULL, &pip); | |
| 2269 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 2270 if (vlun->svl_waiting_for_activepath == 0) { | |
| 2271 vlun->svl_waiting_for_activepath = 1; | |
| 2272 vlun->svl_wfa_time = ddi_get_time(); | |
| 2273 } | |
| 2274 mps_flag |= MDI_SELECT_STANDBY_PATH; | |
| 2275 rval = mdi_select_path(cdip, | |
| 2276 vpkt->vpkt_tgt_init_bp, | |
| 2277 mps_flag, NULL, &pip); | |
| 2278 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 2279 if (pgr_sema_held) { | |
| 2280 sema_v(&vlun->svl_pgr_sema); | |
| 2281 } | |
| 2282 return (TRAN_FATAL_ERROR); | |
| 2283 } | |
| 2284 goto bind_path; | |
| 2285 } | |
|
10967
0f20d1dba80d
6886050 scsav3: scsi_hba_pkt_comp should detect double completions of same packet
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
10696
diff
changeset
|
2286 } else if ((rval == MDI_FAILURE) || |
|
0f20d1dba80d
6886050 scsav3: scsi_hba_pkt_comp should detect double completions of same packet
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
10696
diff
changeset
|
2287 ((rval == MDI_NOPATH) && (path_instance))) { |
| 4851 | 2288 if (pgr_sema_held) { |
| 2289 sema_v(&vlun->svl_pgr_sema); | |
| 2290 } | |
| 2291 return (TRAN_FATAL_ERROR); | |
| 2292 } | |
| 2293 | |
| 2294 if ((pip == NULL) || (rval == MDI_NOPATH)) { | |
| 2295 while (vlun->svl_waiting_for_activepath) { | |
| 2296 /* | |
| 2297 * ---Waiting For Active Path--- | |
| 2298 * This device was discovered across a | |
| 2299 * passive path; lets wait for a little | |
| 2300 * bit, hopefully an active path will | |
| 2301 * show up obviating the need for a | |
| 2302 * failover | |
| 2303 */ | |
| 2304 tnow = ddi_get_time(); | |
| 2305 if (tnow - vlun->svl_wfa_time >= 60) { | |
| 2306 vlun->svl_waiting_for_activepath = 0; | |
| 2307 } else { | |
| 2308 drv_usecwait(1000); | |
| 2309 if (vlun->svl_waiting_for_activepath | |
| 2310 == 0) { | |
| 2311 /* | |
| 2312 * an active path has come | |
| 2313 * online! | |
| 2314 */ | |
| 2315 goto try_again; | |
| 2316 } | |
| 2317 } | |
| 2318 } | |
| 2319 VHCI_HOLD_LUN(vlun, VH_NOSLEEP, held); | |
| 2320 if (!held) { | |
| 2321 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2322 "!Lun not held\n")); | |
| 2323 if (pgr_sema_held) { | |
| 2324 sema_v(&vlun->svl_pgr_sema); | |
| 2325 } | |
| 2326 return (TRAN_BUSY); | |
| 2327 } | |
| 2328 /* | |
| 2329 * now that the LUN is stable, one last check | |
| 2330 * to make sure no other changes sneaked in | |
| 2331 * (like a path coming online or a | |
| 2332 * failover initiated by another thread) | |
| 2333 */ | |
| 2334 pip = NULL; | |
| 2335 rval = mdi_select_path(cdip, vpkt->vpkt_tgt_init_bp, | |
| 2336 0, NULL, &pip); | |
| 2337 if (pip != NULL) { | |
| 2338 VHCI_RELEASE_LUN(vlun); | |
| 2339 vlun->svl_waiting_for_activepath = 0; | |
| 2340 goto bind_path; | |
| 2341 } | |
| 2342 | |
| 2343 /* | |
| 2344 * Check if there is an ONLINE path OR a STANDBY path | |
| 2345 * available. If none is available, do not attempt | |
| 2346 * to do a failover, just return a fatal error at this | |
| 2347 * point. | |
| 2348 */ | |
| 2349 npip = NULL; | |
| 2350 rval = mdi_select_path(cdip, NULL, | |
| 2351 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH), | |
| 2352 NULL, &npip); | |
| 2353 if ((npip == NULL) || (rval != MDI_SUCCESS)) { | |
| 2354 /* | |
| 2355 * No paths available, jus return FATAL error. | |
| 2356 */ | |
| 2357 VHCI_RELEASE_LUN(vlun); | |
| 2358 if (pgr_sema_held) { | |
| 2359 sema_v(&vlun->svl_pgr_sema); | |
| 2360 } | |
| 2361 return (TRAN_FATAL_ERROR); | |
| 2362 } | |
| 2363 mdi_rele_path(npip); | |
| 2364 VHCI_DEBUG(1, (CE_NOTE, NULL, "!invoking " | |
| 2365 "mdi_failover\n")); | |
| 2366 rval = mdi_failover(vhci->vhci_dip, cdip, | |
| 2367 MDI_FAILOVER_ASYNC); | |
| 2368 if (rval == MDI_FAILURE) { | |
| 2369 VHCI_RELEASE_LUN(vlun); | |
| 2370 if (pgr_sema_held) { | |
| 2371 sema_v(&vlun->svl_pgr_sema); | |
| 2372 } | |
| 2373 return (TRAN_FATAL_ERROR); | |
| 2374 } else if (rval == MDI_BUSY) { | |
| 2375 VHCI_RELEASE_LUN(vlun); | |
| 2376 if (pgr_sema_held) { | |
| 2377 sema_v(&vlun->svl_pgr_sema); | |
| 2378 } | |
| 2379 return (TRAN_BUSY); | |
| 2380 } else { | |
| 2381 if (pgr_sema_held) { | |
| 2382 sema_v(&vlun->svl_pgr_sema); | |
| 2383 } | |
| 2384 return (TRAN_BUSY); | |
| 2385 } | |
| 2386 } | |
| 2387 vlun->svl_waiting_for_activepath = 0; | |
| 2388 bind_path: | |
| 2389 vpkt->vpkt_path = pip; | |
| 2390 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 2391 ASSERT(svp != NULL); | |
| 2392 | |
| 2393 psd = svp->svp_psd; | |
| 2394 ASSERT(psd != NULL); | |
| 2395 address = &psd->sd_address; | |
| 2396 } else { | |
| 2397 pkt = vpkt->vpkt_hba_pkt; | |
| 2398 address = &pkt->pkt_address; | |
| 2399 } | |
| 2400 | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2401 /* Verify match of specified path_instance and selected path_instance */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2402 ASSERT((path_instance == 0) || |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2403 (path_instance == mdi_pi_get_path_instance(vpkt->vpkt_path))); |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
2404 |
| 4851 | 2405 /* |
| 2406 * For PKT_PARTIAL_DMA case, call pHCI's scsi_init_pkt whenever | |
| 2407 * target driver calls vhci_scsi_init_pkt. | |
| 2408 */ | |
| 2409 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) && | |
| 2410 vpkt->vpkt_path && vpkt->vpkt_hba_pkt) { | |
| 2411 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2412 "vhci_bind_transport: PKT_PARTIAL_DMA " | |
| 2413 "vpkt 0x%p, path 0x%p hba_pkt 0x%p\n", | |
| 2414 (void *)vpkt, (void *)vpkt->vpkt_path, (void *)pkt)); | |
| 2415 pkt = vpkt->vpkt_hba_pkt; | |
| 2416 address = &pkt->pkt_address; | |
| 2417 } | |
| 2418 | |
| 2419 if (pkt == NULL || (vpkt->vpkt_flags & CFLAG_DMA_PARTIAL)) { | |
| 2420 pkt = scsi_init_pkt(address, pkt, | |
| 2421 vpkt->vpkt_tgt_init_bp, vpkt->vpkt_tgt_init_cdblen, | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2422 vpkt->vpkt_tgt_init_scblen, 0, flags, func, NULL); |
| 4851 | 2423 |
| 2424 if (pkt == NULL) { | |
| 2425 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2426 "!bind transport: 0x%p 0x%p 0x%p\n", | |
| 2427 (void *)vhci, (void *)psd, (void *)vpkt)); | |
| 2428 if ((vpkt->vpkt_hba_pkt == NULL) && vpkt->vpkt_path) { | |
| 2429 MDI_PI_ERRSTAT(vpkt->vpkt_path, | |
| 2430 MDI_PI_TRANSERR); | |
| 2431 mdi_rele_path(vpkt->vpkt_path); | |
| 2432 vpkt->vpkt_path = NULL; | |
| 2433 } | |
| 2434 if (pgr_sema_held) { | |
| 2435 sema_v(&vlun->svl_pgr_sema); | |
| 2436 } | |
| 2437 /* | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2438 * Consider it a fatal error if b_error is |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2439 * set as a result of DMA binding failure |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2440 * vs. a condition of being temporarily out of |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2441 * some resource |
| 4851 | 2442 */ |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2443 if (geterror(vpkt->vpkt_tgt_init_bp)) |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2444 return (TRAN_FATAL_ERROR); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2445 else |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
2446 return (TRAN_BUSY); |
| 4851 | 2447 } |
| 2448 } | |
| 2449 | |
| 2450 pkt->pkt_private = vpkt; | |
| 2451 vpkt->vpkt_hba_pkt = pkt; | |
| 2452 return (TRAN_ACCEPT); | |
| 2453 } | |
| 2454 | |
| 2455 | |
| 2456 /*PRINTFLIKE3*/ | |
| 2457 void | |
| 2458 vhci_log(int level, dev_info_t *dip, const char *fmt, ...) | |
| 2459 { | |
| 2460 char buf[256]; | |
| 2461 va_list ap; | |
| 2462 | |
| 2463 va_start(ap, fmt); | |
| 2464 (void) vsprintf(buf, fmt, ap); | |
| 2465 va_end(ap); | |
| 2466 | |
| 2467 scsi_log(dip, "scsi_vhci", level, buf); | |
| 2468 } | |
| 2469 | |
| 2470 /* do a PGR out with the information we've saved away */ | |
| 2471 static int | |
| 2472 vhci_do_prout(scsi_vhci_priv_t *svp) | |
| 2473 { | |
| 2474 | |
| 2475 struct scsi_pkt *new_pkt; | |
| 2476 struct buf *bp; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2477 scsi_vhci_lun_t *vlun = svp->svp_svl; |
| 4851 | 2478 int rval, retry, nr_retry, ua_retry; |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2479 uint8_t *sns, skey; |
| 4851 | 2480 |
| 2481 bp = getrbuf(KM_SLEEP); | |
| 2482 bp->b_flags = B_WRITE; | |
| 2483 bp->b_resid = 0; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2484 bp->b_un.b_addr = (caddr_t)&vlun->svl_prout; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2485 bp->b_bcount = vlun->svl_bcount; |
| 4851 | 2486 |
| 2487 VHCI_INCR_PATH_CMDCOUNT(svp); | |
| 2488 | |
| 2489 new_pkt = scsi_init_pkt(&svp->svp_psd->sd_address, NULL, bp, | |
| 2490 CDB_GROUP1, sizeof (struct scsi_arq_status), 0, 0, | |
| 2491 SLEEP_FUNC, NULL); | |
| 2492 if (new_pkt == NULL) { | |
| 2493 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 2494 freerbuf(bp); | |
| 2495 cmn_err(CE_WARN, "!vhci_do_prout: scsi_init_pkt failed"); | |
| 2496 return (0); | |
| 2497 } | |
| 2498 mutex_enter(&vlun->svl_mutex); | |
| 2499 bp->b_un.b_addr = (caddr_t)&vlun->svl_prout; | |
| 2500 bp->b_bcount = vlun->svl_bcount; | |
| 2501 bcopy(vlun->svl_cdb, new_pkt->pkt_cdbp, | |
| 2502 sizeof (vlun->svl_cdb)); | |
| 2503 new_pkt->pkt_time = vlun->svl_time; | |
| 2504 mutex_exit(&vlun->svl_mutex); | |
| 2505 new_pkt->pkt_flags = FLAG_NOINTR; | |
| 2506 | |
| 2507 ua_retry = nr_retry = retry = 0; | |
| 2508 again: | |
| 2509 rval = vhci_do_scsi_cmd(new_pkt); | |
| 2510 if (rval != 1) { | |
| 2511 if ((new_pkt->pkt_reason == CMD_CMPLT) && | |
| 2512 (SCBP_C(new_pkt) == STATUS_CHECK) && | |
| 2513 (new_pkt->pkt_state & STATE_ARQ_DONE)) { | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2514 sns = (uint8_t *) |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2515 &(((struct scsi_arq_status *)(uintptr_t) |
| 4851 | 2516 (new_pkt->pkt_scbp))->sts_sensedata); |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2517 skey = scsi_sense_key(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2518 if ((skey == KEY_UNIT_ATTENTION) || |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2519 (skey == KEY_NOT_READY)) { |
| 4851 | 2520 int max_retry; |
| 2521 struct scsi_failover_ops *fops; | |
| 2522 fops = vlun->svl_fops; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2523 rval = fops->sfo_analyze_sense(svp->svp_psd, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2524 sns, vlun->svl_fops_ctpriv); |
| 4851 | 2525 if (rval == SCSI_SENSE_NOT_READY) { |
| 2526 max_retry = vhci_prout_not_ready_retry; | |
| 2527 retry = nr_retry++; | |
| 2528 delay(1*drv_usectohz(1000000)); | |
| 2529 } else { | |
| 2530 /* chk for state change and update */ | |
| 2531 if (rval == SCSI_SENSE_STATE_CHANGED) { | |
| 2532 int held; | |
| 2533 VHCI_HOLD_LUN(vlun, | |
| 2534 VH_NOSLEEP, held); | |
| 2535 if (!held) { | |
| 2536 rval = TRAN_BUSY; | |
| 2537 } else { | |
| 2538 /* chk for alua first */ | |
| 2539 vhci_update_pathstates( | |
| 2540 (void *)vlun); | |
| 2541 } | |
| 2542 } | |
| 2543 retry = ua_retry++; | |
| 2544 max_retry = VHCI_MAX_PGR_RETRIES; | |
| 2545 } | |
| 2546 if (retry < max_retry) { | |
| 2547 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 2548 "!vhci_do_prout retry 0x%x " | |
| 2549 "(0x%x 0x%x 0x%x)", | |
| 2550 SCBP_C(new_pkt), | |
| 2551 new_pkt->pkt_cdbp[0], | |
| 2552 new_pkt->pkt_cdbp[1], | |
| 2553 new_pkt->pkt_cdbp[2])); | |
| 2554 goto again; | |
| 2555 } | |
| 2556 rval = 0; | |
| 2557 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 2558 "!vhci_do_prout 0x%x " | |
| 2559 "(0x%x 0x%x 0x%x)", | |
| 2560 SCBP_C(new_pkt), | |
| 2561 new_pkt->pkt_cdbp[0], | |
| 2562 new_pkt->pkt_cdbp[1], | |
| 2563 new_pkt->pkt_cdbp[2])); | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
2564 } else if (skey == KEY_ILLEGAL_REQUEST) |
| 4851 | 2565 rval = VHCI_PGR_ILLEGALOP; |
| 2566 } | |
| 2567 } else { | |
| 2568 rval = 1; | |
| 2569 } | |
| 2570 scsi_destroy_pkt(new_pkt); | |
| 2571 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 2572 freerbuf(bp); | |
| 2573 return (rval); | |
| 2574 } | |
| 2575 | |
| 2576 static void | |
| 2577 vhci_run_cmd(void *arg) | |
| 2578 { | |
| 2579 struct scsi_pkt *pkt = (struct scsi_pkt *)arg; | |
| 2580 struct scsi_pkt *tpkt; | |
| 2581 scsi_vhci_priv_t *svp; | |
| 2582 mdi_pathinfo_t *pip, *npip; | |
| 2583 scsi_vhci_lun_t *vlun; | |
| 2584 dev_info_t *cdip; | |
| 2585 scsi_vhci_priv_t *nsvp; | |
| 2586 int fail = 0; | |
| 2587 int rval; | |
| 2588 struct vhci_pkt *vpkt; | |
| 2589 uchar_t cdb_1; | |
| 2590 vhci_prout_t *prout; | |
| 2591 | |
| 2592 vpkt = (struct vhci_pkt *)pkt->pkt_private; | |
| 2593 tpkt = vpkt->vpkt_tgt_pkt; | |
| 2594 pip = vpkt->vpkt_path; | |
| 2595 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 2596 if (svp == NULL) { | |
| 2597 tpkt->pkt_reason = CMD_TRAN_ERR; | |
| 2598 tpkt->pkt_statistics = STAT_ABORTED; | |
| 2599 goto done; | |
| 2600 } | |
| 2601 vlun = svp->svp_svl; | |
| 2602 prout = &vlun->svl_prout; | |
| 2603 if (SCBP_C(pkt) != STATUS_GOOD) | |
| 2604 fail++; | |
| 2605 cdip = vlun->svl_dip; | |
| 2606 pip = npip = NULL; | |
| 2607 rval = mdi_select_path(cdip, NULL, | |
| 2608 MDI_SELECT_ONLINE_PATH|MDI_SELECT_STANDBY_PATH, NULL, &npip); | |
| 2609 if ((rval != MDI_SUCCESS) || (npip == NULL)) { | |
| 2610 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2611 "vhci_run_cmd: no path! 0x%p\n", (void *)svp)); | |
| 2612 tpkt->pkt_reason = CMD_TRAN_ERR; | |
| 2613 tpkt->pkt_statistics = STAT_ABORTED; | |
| 2614 goto done; | |
| 2615 } | |
| 2616 | |
| 2617 cdb_1 = vlun->svl_cdb[1]; | |
| 2618 vlun->svl_cdb[1] &= 0xe0; | |
| 2619 vlun->svl_cdb[1] |= VHCI_PROUT_R_AND_IGNORE; | |
| 2620 | |
| 2621 do { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2622 nsvp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(npip); |
| 4851 | 2623 if (nsvp == NULL) { |
| 2624 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 2625 "vhci_run_cmd: no " | |
| 2626 "client priv! 0x%p offlined?\n", | |
| 2627 (void *)npip)); | |
| 2628 goto next_path; | |
| 2629 } | |
| 2630 if (vlun->svl_first_path == npip) { | |
| 2631 goto next_path; | |
| 2632 } else { | |
| 2633 if (vhci_do_prout(nsvp) != 1) | |
| 2634 fail++; | |
| 2635 } | |
| 2636 next_path: | |
| 2637 pip = npip; | |
| 2638 rval = mdi_select_path(cdip, NULL, | |
| 2639 MDI_SELECT_ONLINE_PATH|MDI_SELECT_STANDBY_PATH, | |
| 2640 pip, &npip); | |
| 2641 mdi_rele_path(pip); | |
| 2642 } while ((rval == MDI_SUCCESS) && (npip != NULL)); | |
| 2643 | |
| 2644 vlun->svl_cdb[1] = cdb_1; | |
| 2645 | |
| 2646 if (fail) { | |
| 2647 VHCI_DEBUG(4, (CE_WARN, NULL, "%s%d: key registration failed, " | |
| 2648 "couldn't be replicated on all paths", | |
| 2649 ddi_driver_name(cdip), ddi_get_instance(cdip))); | |
| 2650 vhci_print_prout_keys(vlun, "vhci_run_cmd: "); | |
| 2651 | |
| 2652 if (SCBP_C(pkt) != STATUS_GOOD) { | |
| 2653 tpkt->pkt_reason = CMD_TRAN_ERR; | |
| 2654 tpkt->pkt_statistics = STAT_ABORTED; | |
| 2655 } | |
| 2656 } else { | |
| 2657 vlun->svl_pgr_active = 1; | |
| 2658 vhci_print_prout_keys(vlun, "vhci_run_cmd: before bcopy:"); | |
| 2659 | |
| 2660 bcopy((const void *)prout->service_key, | |
| 2661 (void *)prout->active_service_key, MHIOC_RESV_KEY_SIZE); | |
| 2662 bcopy((const void *)prout->res_key, | |
| 2663 (void *)prout->active_res_key, MHIOC_RESV_KEY_SIZE); | |
| 2664 | |
| 2665 vhci_print_prout_keys(vlun, "vhci_run_cmd: after bcopy:"); | |
| 2666 } | |
| 2667 done: | |
| 2668 if (SCBP_C(pkt) == STATUS_GOOD) | |
| 2669 vlun->svl_first_path = NULL; | |
| 2670 | |
| 2671 if (svp) | |
| 2672 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 2673 | |
| 2674 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 2675 scsi_destroy_pkt(pkt); | |
| 2676 vpkt->vpkt_hba_pkt = NULL; | |
| 2677 if (vpkt->vpkt_path) { | |
| 2678 mdi_rele_path(vpkt->vpkt_path); | |
| 2679 vpkt->vpkt_path = NULL; | |
| 2680 } | |
| 2681 } | |
| 2682 | |
| 2683 sema_v(&vlun->svl_pgr_sema); | |
| 2684 /* | |
| 2685 * The PROUT commands are not included in the automatic retry | |
| 2686 * mechanism, therefore, vpkt_org_vpkt should never be set here. | |
| 2687 */ | |
| 2688 ASSERT(vpkt->vpkt_org_vpkt == NULL); | |
|
9106
ee8f18cdafb2
6809527 scsi_hba_pkt_comp():More consumers
srivijitha dugganapalli <Srivijitha.Dugganapalli@Sun.COM>
parents:
8851
diff
changeset
|
2689 scsi_hba_pkt_comp(tpkt); |
| 4851 | 2690 } |
| 2691 | |
| 2692 /* | |
| 2693 * Get the keys registered with this target. Since we will have | |
| 2694 * registered the same key with multiple initiators, strip out | |
| 2695 * any duplicate keys. | |
| 2696 * | |
| 2697 * The pointers which will be used to filter the registered keys from | |
| 2698 * the device will be stored in filter_prin and filter_pkt. If the | |
| 2699 * allocation length of the buffer was sufficient for the number of | |
| 2700 * parameter data bytes available to be returned by the device then the | |
| 2701 * key filtering will use the keylist returned from the original | |
| 2702 * request. If the allocation length of the buffer was not sufficient, | |
| 2703 * then the filtering will use the keylist returned from the request | |
| 2704 * that is resent below. | |
| 2705 * | |
| 2706 * If the device returns an additional length field that is greater than | |
| 2707 * the allocation length of the buffer, then allocate a new buffer which | |
| 2708 * can accommodate the number of parameter data bytes available to be | |
| 2709 * returned. Resend the scsi PRIN command, filter out the duplicate | |
| 2710 * keys and return as many of the unique keys found that was originally | |
| 2711 * requested and set the additional length field equal to the data bytes | |
| 2712 * of unique reservation keys available to be returned. | |
| 2713 * | |
| 2714 * If the device returns an additional length field that is less than or | |
| 2715 * equal to the allocation length of the buffer, then all the available | |
| 2716 * keys registered were returned by the device. Filter out the | |
| 2717 * duplicate keys and return all of the unique keys found and set the | |
| 2718 * additional length field equal to the data bytes of the reservation | |
| 2719 * keys to be returned. | |
| 2720 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2721 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2722 #define VHCI_PRIN_HEADER_SZ (sizeof (prin->length) + sizeof (prin->generation)) |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2723 |
| 4851 | 2724 static int |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2725 vhci_do_prin(struct vhci_pkt **intr_vpkt) |
| 4851 | 2726 { |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2727 scsi_vhci_priv_t *svp; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2728 struct vhci_pkt *vpkt = *intr_vpkt; |
| 4851 | 2729 vhci_prin_readkeys_t *prin; |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2730 scsi_vhci_lun_t *vlun; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2731 struct scsi_vhci *vhci = ADDR2VHCI(&vpkt->vpkt_tgt_pkt->pkt_address); |
| 4851 | 2732 |
| 2733 struct buf *new_bp = NULL; | |
| 2734 struct scsi_pkt *new_pkt = NULL; | |
| 2735 struct vhci_pkt *new_vpkt = NULL; | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2736 uint32_t needed_length; |
| 4851 | 2737 int rval = VHCI_CMD_CMPLT; |
| 2738 uint32_t prin_length = 0; | |
| 2739 uint32_t svl_prin_length = 0; | |
| 2740 | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2741 ASSERT(vpkt->vpkt_path); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2742 svp = mdi_pi_get_vhci_private(vpkt->vpkt_path); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2743 ASSERT(svp); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2744 vlun = svp->svp_svl; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2745 ASSERT(vlun); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2746 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2747 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2748 * If the caller only asked for an amount of data that would not |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2749 * be enough to include any key data it is likely that they will |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2750 * send the next command with a buffer size based on the information |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2751 * from this header. Doing recovery on this would be a duplication |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2752 * of efforts. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2753 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2754 if (vpkt->vpkt_tgt_init_bp->b_bcount <= VHCI_PRIN_HEADER_SZ) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2755 rval = VHCI_CMD_CMPLT; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2756 goto exit; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2757 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2758 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2759 if (vpkt->vpkt_org_vpkt == NULL) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2760 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2761 * Can fail as sleep is not allowed. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2762 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2763 prin = (vhci_prin_readkeys_t *) |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2764 bp_mapin_common(vpkt->vpkt_tgt_init_bp, VM_NOSLEEP); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2765 } else { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2766 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2767 * The retry buf doesn't need to be mapped in. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2768 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2769 prin = (vhci_prin_readkeys_t *) |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2770 vpkt->vpkt_tgt_init_bp->b_un.b_daddr; |
| 4851 | 2771 } |
| 2772 | |
| 2773 if (prin == NULL) { | |
| 2774 VHCI_DEBUG(5, (CE_WARN, NULL, | |
| 2775 "vhci_do_prin: bp_mapin_common failed.")); | |
| 2776 rval = VHCI_CMD_ERROR; | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2777 goto fail; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2778 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2779 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2780 prin_length = BE_32(prin->length); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2781 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2782 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2783 * According to SPC-3r22, sec 4.3.4.6: "If the amount of |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2784 * information to be transferred exceeds the maximum value |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2785 * that the ALLOCATION LENGTH field is capable of specifying, |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2786 * the device server shall...terminate the command with CHECK |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2787 * CONDITION status". The ALLOCATION LENGTH field of the |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2788 * PERSISTENT RESERVE IN command is 2 bytes. We should never |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2789 * get here with an ADDITIONAL LENGTH greater than 0xFFFF |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2790 * so if we do, then it is an error! |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2791 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2792 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2793 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2794 if ((prin_length + VHCI_PRIN_HEADER_SZ) > 0xFFFF) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2795 VHCI_DEBUG(5, (CE_NOTE, NULL, |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2796 "vhci_do_prin: Device returned invalid " |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2797 "length 0x%x\n", prin_length)); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2798 rval = VHCI_CMD_ERROR; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2799 goto fail; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2800 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2801 needed_length = prin_length + VHCI_PRIN_HEADER_SZ; |
| 4851 | 2802 |
| 2803 /* | |
| 2804 * If prin->length is greater than the byte count allocated in the | |
| 2805 * original buffer, then resend the request with enough buffer | |
| 2806 * allocated to get all of the available registered keys. | |
| 2807 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2808 if ((vpkt->vpkt_tgt_init_bp->b_bcount < needed_length) && |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2809 (vpkt->vpkt_org_vpkt == NULL)) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2810 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2811 new_pkt = vhci_create_retry_pkt(vpkt); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2812 if (new_pkt == NULL) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2813 rval = VHCI_CMD_ERROR; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2814 goto fail; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2815 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2816 new_vpkt = TGTPKT2VHCIPKT(new_pkt); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2817 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2818 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2819 * This is the buf with buffer pointer |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2820 * where the prin readkeys will be |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2821 * returned from the device |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2822 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2823 new_bp = scsi_alloc_consistent_buf(&svp->svp_psd->sd_address, |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2824 NULL, needed_length, B_READ, NULL_FUNC, NULL); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2825 if ((new_bp == NULL) || (new_bp->b_un.b_addr == NULL)) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2826 if (new_bp) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2827 scsi_free_consistent_buf(new_bp); |
| 4851 | 2828 } |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2829 vhci_scsi_destroy_pkt(&new_pkt->pkt_address, new_pkt); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2830 rval = VHCI_CMD_ERROR; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2831 goto fail; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2832 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2833 new_bp->b_bcount = needed_length; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2834 new_pkt->pkt_cdbp[7] = (uchar_t)(needed_length >> 8); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2835 new_pkt->pkt_cdbp[8] = (uchar_t)needed_length; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2836 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2837 rval = VHCI_CMD_RETRY; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2838 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2839 new_vpkt->vpkt_tgt_init_bp = new_bp; |
| 4851 | 2840 } |
| 2841 | |
| 2842 if (rval == VHCI_CMD_RETRY) { | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2843 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2844 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2845 * There were more keys then the original request asked for. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2846 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2847 mdi_pathinfo_t *path_holder = vpkt->vpkt_path; |
| 4851 | 2848 |
| 2849 /* | |
| 2850 * Release the old path because it does not matter which path | |
| 2851 * this command is sent down. This allows the normal bind | |
| 2852 * transport mechanism to be used. | |
| 2853 */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2854 if (vpkt->vpkt_path != NULL) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2855 mdi_rele_path(vpkt->vpkt_path); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2856 vpkt->vpkt_path = NULL; |
| 4851 | 2857 } |
| 2858 | |
| 2859 /* | |
| 2860 * Dispatch the retry command | |
| 2861 */ | |
| 2862 if (taskq_dispatch(vhci->vhci_taskq, vhci_dispatch_scsi_start, | |
| 2863 (void *) new_vpkt, KM_NOSLEEP) == NULL) { | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2864 if (path_holder) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2865 vpkt->vpkt_path = path_holder; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2866 mdi_hold_path(path_holder); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2867 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2868 scsi_free_consistent_buf(new_bp); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2869 vhci_scsi_destroy_pkt(&new_pkt->pkt_address, new_pkt); |
| 4851 | 2870 rval = VHCI_CMD_ERROR; |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2871 goto fail; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2872 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2873 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2874 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2875 * If we return VHCI_CMD_RETRY, that means the caller |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2876 * is going to bail and wait for the reissued command |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2877 * to complete. In that case, we need to decrement |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2878 * the path command count right now. In any other |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2879 * case, it'll be decremented by the caller. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2880 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2881 VHCI_DECR_PATH_CMDCOUNT(svp); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2882 goto exit; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2883 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2884 } |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2885 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2886 if (rval == VHCI_CMD_CMPLT) { |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2887 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2888 * The original request got all of the keys or the recovery |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2889 * packet returns. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2890 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2891 int new; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2892 int old; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2893 int num_keys = prin_length / MHIOC_RESV_KEY_SIZE; |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2894 |
| 4851 | 2895 VHCI_DEBUG(4, (CE_NOTE, NULL, "vhci_do_prin: %d keys read\n", |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2896 num_keys)); |
| 4851 | 2897 |
| 2898 #ifdef DEBUG | |
| 2899 VHCI_DEBUG(5, (CE_NOTE, NULL, "vhci_do_prin: from storage\n")); | |
| 2900 if (vhci_debug == 5) | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2901 vhci_print_prin_keys(prin, num_keys); |
| 4851 | 2902 VHCI_DEBUG(5, (CE_NOTE, NULL, |
| 2903 "vhci_do_prin: MPxIO old keys:\n")); | |
| 2904 if (vhci_debug == 5) | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2905 vhci_print_prin_keys(&vlun->svl_prin, num_keys); |
| 4851 | 2906 #endif |
| 2907 | |
| 2908 /* | |
| 2909 * Filter out all duplicate keys returned from the device | |
| 2910 * We know that we use a different key for every host, so we | |
| 2911 * can simply strip out duplicates. Otherwise we would need to | |
| 2912 * do more bookkeeping to figure out which keys to strip out. | |
| 2913 */ | |
| 2914 | |
| 2915 new = 0; | |
| 2916 | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2917 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2918 * If we got at least 1 key copy it. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2919 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2920 if (num_keys > 0) { |
| 4851 | 2921 vlun->svl_prin.keylist[0] = prin->keylist[0]; |
| 2922 new++; | |
| 2923 } | |
| 2924 | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2925 /* |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2926 * find next unique key. |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2927 */ |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2928 for (old = 1; old < num_keys; old++) { |
| 4851 | 2929 int j; |
| 2930 int match = 0; | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2931 |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2932 if (new >= VHCI_NUM_RESV_KEYS) |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2933 break; |
| 4851 | 2934 for (j = 0; j < new; j++) { |
| 2935 if (bcmp(&prin->keylist[old], | |
| 2936 &vlun->svl_prin.keylist[j], | |
| 2937 sizeof (mhioc_resv_key_t)) == 0) { | |
| 2938 match = 1; | |
| 2939 break; | |
| 2940 } | |
| 2941 } | |
| 2942 if (!match) { | |
| 2943 vlun->svl_prin.keylist[new] = | |
| 2944 prin->keylist[old]; | |
| 2945 new++; | |
| 2946 } | |
| 2947 } | |
| 2948 | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2949 /* Stored Big Endian */ |
| 4851 | 2950 vlun->svl_prin.generation = prin->generation; |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2951 svl_prin_length = new * sizeof (mhioc_resv_key_t); |
|
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2952 /* Stored Big Endian */ |
| 4851 | 2953 vlun->svl_prin.length = BE_32(svl_prin_length); |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2954 svl_prin_length += VHCI_PRIN_HEADER_SZ; |
| 4851 | 2955 |
| 2956 /* | |
| 2957 * If we arrived at this point after issuing a retry, make sure | |
| 2958 * that we put everything back the way it originally was so | |
| 2959 * that the target driver can complete the command correctly. | |
| 2960 */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2961 if (vpkt->vpkt_org_vpkt != NULL) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2962 new_bp = vpkt->vpkt_tgt_init_bp; |
| 4851 | 2963 |
| 2964 scsi_free_consistent_buf(new_bp); | |
| 2965 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2966 vpkt = vhci_sync_retry_pkt(vpkt); |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2967 *intr_vpkt = vpkt; |
| 4851 | 2968 |
| 2969 /* | |
| 2970 * Make sure the original buffer is mapped into kernel | |
| 2971 * space before we try to copy the filtered keys into | |
| 2972 * it. | |
| 2973 */ | |
| 2974 prin = (vhci_prin_readkeys_t *)bp_mapin_common( | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2975 vpkt->vpkt_tgt_init_bp, VM_NOSLEEP); |
| 4851 | 2976 } |
| 2977 | |
| 2978 /* | |
| 2979 * Now copy the desired number of prin keys into the original | |
| 2980 * target buffer. | |
| 2981 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2982 if (svl_prin_length <= vpkt->vpkt_tgt_init_bp->b_bcount) { |
| 4851 | 2983 /* |
| 2984 * It is safe to return all of the available unique | |
| 2985 * keys | |
| 2986 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
2987 bcopy(&vlun->svl_prin, prin, svl_prin_length); |
| 4851 | 2988 } else { |
| 2989 /* | |
| 2990 * Not all of the available keys were requested by the | |
| 2991 * original command. | |
| 2992 */ | |
| 2993 bcopy(&vlun->svl_prin, prin, | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
2994 vpkt->vpkt_tgt_init_bp->b_bcount); |
| 4851 | 2995 } |
| 2996 #ifdef DEBUG | |
| 2997 VHCI_DEBUG(5, (CE_NOTE, NULL, | |
| 2998 "vhci_do_prin: To Application:\n")); | |
| 2999 if (vhci_debug == 5) | |
| 3000 vhci_print_prin_keys(prin, new); | |
| 3001 VHCI_DEBUG(5, (CE_NOTE, NULL, | |
| 3002 "vhci_do_prin: MPxIO new keys:\n")); | |
| 3003 if (vhci_debug == 5) | |
| 3004 vhci_print_prin_keys(&vlun->svl_prin, new); | |
| 3005 #endif | |
| 3006 } | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
3007 fail: |
| 4851 | 3008 if (rval == VHCI_CMD_ERROR) { |
| 3009 /* | |
| 3010 * If we arrived at this point after issuing a | |
| 3011 * retry, make sure that we put everything back | |
| 3012 * the way it originally was so that ssd can | |
| 3013 * complete the command correctly. | |
| 3014 */ | |
| 3015 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3016 if (vpkt->vpkt_org_vpkt != NULL) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3017 new_bp = vpkt->vpkt_tgt_init_bp; |
| 4851 | 3018 if (new_bp != NULL) { |
| 3019 scsi_free_consistent_buf(new_bp); | |
| 3020 } | |
| 3021 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3022 new_vpkt = vpkt; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3023 vpkt = vpkt->vpkt_org_vpkt; |
| 4851 | 3024 |
| 3025 vhci_scsi_destroy_pkt(&svp->svp_psd->sd_address, | |
| 3026 new_vpkt->vpkt_tgt_pkt); | |
| 3027 } | |
| 3028 | |
| 3029 /* | |
| 3030 * Mark this command completion as having an error so that | |
| 3031 * ssd will retry the command. | |
| 3032 */ | |
| 3033 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3034 vpkt->vpkt_tgt_pkt->pkt_reason = CMD_ABORTED; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3035 vpkt->vpkt_tgt_pkt->pkt_statistics |= STAT_ABORTED; |
| 4851 | 3036 |
| 3037 rval = VHCI_CMD_CMPLT; | |
| 3038 } | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
3039 exit: |
| 4851 | 3040 /* |
| 3041 * Make sure that the semaphore is only released once. | |
| 3042 */ | |
| 3043 if (rval == VHCI_CMD_CMPLT) { | |
| 3044 sema_v(&vlun->svl_pgr_sema); | |
| 3045 } | |
| 3046 | |
| 3047 return (rval); | |
| 3048 } | |
| 3049 | |
| 3050 static void | |
| 3051 vhci_intr(struct scsi_pkt *pkt) | |
| 3052 { | |
| 3053 struct vhci_pkt *vpkt = (struct vhci_pkt *)pkt->pkt_private; | |
| 3054 struct scsi_pkt *tpkt; | |
| 3055 scsi_vhci_priv_t *svp; | |
| 3056 scsi_vhci_lun_t *vlun; | |
| 3057 int rval, held; | |
| 3058 struct scsi_failover_ops *fops; | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3059 uint8_t *sns, skey, asc, ascq; |
| 4851 | 3060 mdi_pathinfo_t *lpath; |
| 3061 static char *timeout_err = "Command Timeout"; | |
| 3062 static char *parity_err = "Parity Error"; | |
| 3063 char *err_str = NULL; | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3064 dev_info_t *vdip, *cdip; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3065 char *cpath; |
| 4851 | 3066 |
| 3067 ASSERT(vpkt != NULL); | |
| 3068 tpkt = vpkt->vpkt_tgt_pkt; | |
| 3069 ASSERT(tpkt != NULL); | |
| 3070 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(vpkt->vpkt_path); | |
| 3071 ASSERT(svp != NULL); | |
| 3072 vlun = svp->svp_svl; | |
| 3073 ASSERT(vlun != NULL); | |
| 3074 lpath = vpkt->vpkt_path; | |
| 3075 | |
| 3076 /* | |
| 3077 * sync up the target driver's pkt with the pkt that | |
| 3078 * we actually used | |
| 3079 */ | |
| 3080 *(tpkt->pkt_scbp) = *(pkt->pkt_scbp); | |
| 3081 tpkt->pkt_resid = pkt->pkt_resid; | |
| 3082 tpkt->pkt_state = pkt->pkt_state; | |
| 3083 tpkt->pkt_statistics = pkt->pkt_statistics; | |
| 3084 tpkt->pkt_reason = pkt->pkt_reason; | |
| 3085 | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3086 /* Return path_instance information back to the target driver. */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3087 if (scsi_pkt_allocated_correctly(tpkt)) { |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3088 if (scsi_pkt_allocated_correctly(pkt)) { |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3089 /* |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3090 * If both packets were correctly allocated, |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3091 * return path returned by pHCI. |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3092 */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3093 tpkt->pkt_path_instance = pkt->pkt_path_instance; |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3094 } else { |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3095 /* Otherwise return path of pHCI we used */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3096 tpkt->pkt_path_instance = |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3097 mdi_pi_get_path_instance(lpath); |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3098 } |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3099 } |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3100 |
| 4851 | 3101 if (pkt->pkt_cdbp[0] == SCMD_PROUT && |
| 3102 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_REGISTER) || | |
| 3103 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_R_AND_IGNORE)) { | |
| 3104 if ((SCBP_C(pkt) != STATUS_GOOD) || | |
| 3105 (pkt->pkt_reason != CMD_CMPLT)) { | |
| 3106 sema_v(&vlun->svl_pgr_sema); | |
| 3107 } | |
| 3108 } else if (pkt->pkt_cdbp[0] == SCMD_PRIN) { | |
| 3109 if (pkt->pkt_reason != CMD_CMPLT || | |
| 3110 (SCBP_C(pkt) != STATUS_GOOD)) { | |
| 3111 sema_v(&vlun->svl_pgr_sema); | |
| 3112 } | |
| 3113 } | |
| 3114 | |
| 3115 switch (pkt->pkt_reason) { | |
| 3116 case CMD_CMPLT: | |
| 3117 /* | |
| 3118 * cmd completed successfully, check for scsi errors | |
| 3119 */ | |
| 3120 switch (*(pkt->pkt_scbp)) { | |
| 3121 case STATUS_CHECK: | |
| 3122 if (pkt->pkt_state & STATE_ARQ_DONE) { | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3123 sns = (uint8_t *) |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3124 &(((struct scsi_arq_status *)(uintptr_t) |
| 4851 | 3125 (pkt->pkt_scbp))->sts_sensedata); |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3126 skey = scsi_sense_key(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3127 asc = scsi_sense_asc(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3128 ascq = scsi_sense_ascq(sns); |
| 4851 | 3129 fops = vlun->svl_fops; |
| 3130 ASSERT(fops != NULL); | |
| 3131 VHCI_DEBUG(4, (CE_NOTE, NULL, "vhci_intr: " | |
| 3132 "Received sns key %x esc %x escq %x\n", | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3133 skey, asc, ascq)); |
| 4851 | 3134 |
| 3135 if (vlun->svl_waiting_for_activepath == 1) { | |
| 3136 /* | |
| 3137 * if we are here it means we are | |
| 3138 * in the midst of a probe/attach | |
| 3139 * through a passive path; this | |
| 3140 * case is exempt from sense analysis | |
| 3141 * for detection of ext. failover | |
| 3142 * because that would unnecessarily | |
| 3143 * increase attach time. | |
| 3144 */ | |
| 3145 bcopy(pkt->pkt_scbp, tpkt->pkt_scbp, | |
| 3146 vpkt->vpkt_tgt_init_scblen); | |
| 3147 break; | |
| 3148 } | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3149 if (asc == VHCI_SCSI_PERR) { |
| 4851 | 3150 /* |
| 3151 * parity error | |
| 3152 */ | |
| 3153 err_str = parity_err; | |
| 3154 bcopy(pkt->pkt_scbp, tpkt->pkt_scbp, | |
| 3155 vpkt->vpkt_tgt_init_scblen); | |
| 3156 break; | |
| 3157 } | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3158 rval = fops->sfo_analyze_sense(svp->svp_psd, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3159 sns, vlun->svl_fops_ctpriv); |
| 4851 | 3160 if ((rval == SCSI_SENSE_NOFAILOVER) || |
| 3161 (rval == SCSI_SENSE_UNKNOWN) || | |
| 3162 (rval == SCSI_SENSE_NOT_READY)) { | |
| 3163 bcopy(pkt->pkt_scbp, tpkt->pkt_scbp, | |
| 3164 vpkt->vpkt_tgt_init_scblen); | |
| 3165 break; | |
| 3166 } else if (rval == SCSI_SENSE_STATE_CHANGED) { | |
| 3167 struct scsi_vhci *vhci; | |
| 3168 vhci = ADDR2VHCI(&tpkt->pkt_address); | |
| 3169 VHCI_HOLD_LUN(vlun, VH_NOSLEEP, held); | |
| 3170 if (!held) { | |
| 3171 /* | |
| 3172 * looks like some other thread | |
| 3173 * has already detected this | |
| 3174 * condition | |
| 3175 */ | |
| 3176 tpkt->pkt_state &= | |
| 3177 ~STATE_ARQ_DONE; | |
| 3178 *(tpkt->pkt_scbp) = | |
| 3179 STATUS_BUSY; | |
| 3180 break; | |
| 3181 } | |
| 3182 (void) taskq_dispatch( | |
| 3183 vhci->vhci_update_pathstates_taskq, | |
| 3184 vhci_update_pathstates, | |
| 3185 (void *)vlun, KM_SLEEP); | |
| 3186 } else { | |
| 3187 /* | |
| 3188 * externally initiated failover | |
| 3189 * has occurred or is in progress | |
| 3190 */ | |
| 3191 VHCI_HOLD_LUN(vlun, VH_NOSLEEP, held); | |
| 3192 if (!held) { | |
| 3193 /* | |
| 3194 * looks like some other thread | |
| 3195 * has already detected this | |
| 3196 * condition | |
| 3197 */ | |
| 3198 tpkt->pkt_state &= | |
| 3199 ~STATE_ARQ_DONE; | |
| 3200 *(tpkt->pkt_scbp) = | |
| 3201 STATUS_BUSY; | |
| 3202 break; | |
| 3203 } else { | |
| 3204 rval = vhci_handle_ext_fo | |
| 3205 (pkt, rval); | |
| 3206 if (rval == BUSY_RETURN) { | |
| 3207 tpkt->pkt_state &= | |
| 3208 ~STATE_ARQ_DONE; | |
| 3209 *(tpkt->pkt_scbp) = | |
| 3210 STATUS_BUSY; | |
| 3211 break; | |
| 3212 } | |
| 3213 bcopy(pkt->pkt_scbp, | |
| 3214 tpkt->pkt_scbp, | |
| 3215 vpkt->vpkt_tgt_init_scblen); | |
| 3216 break; | |
| 3217 } | |
| 3218 } | |
| 3219 } | |
| 3220 break; | |
| 3221 | |
| 3222 /* | |
| 3223 * If this is a good SCSI-II RELEASE cmd completion then restore | |
| 3224 * the load balancing policy and reset VLUN_RESERVE_ACTIVE_FLG. | |
| 3225 * If this is a good SCSI-II RESERVE cmd completion then set | |
| 3226 * VLUN_RESERVE_ACTIVE_FLG. | |
| 3227 */ | |
| 3228 case STATUS_GOOD: | |
| 3229 if ((pkt->pkt_cdbp[0] == SCMD_RELEASE) || | |
| 3230 (pkt->pkt_cdbp[0] == SCMD_RELEASE_G1)) { | |
| 3231 (void) mdi_set_lb_policy(vlun->svl_dip, | |
| 3232 vlun->svl_lb_policy_save); | |
| 3233 vlun->svl_flags &= ~VLUN_RESERVE_ACTIVE_FLG; | |
| 3234 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 3235 "!vhci_intr: vlun 0x%p release path 0x%p", | |
| 3236 (void *)vlun, (void *)vpkt->vpkt_path)); | |
| 3237 } | |
| 3238 | |
| 3239 if ((pkt->pkt_cdbp[0] == SCMD_RESERVE) || | |
| 3240 (pkt->pkt_cdbp[0] == SCMD_RESERVE_G1)) { | |
| 3241 vlun->svl_flags |= VLUN_RESERVE_ACTIVE_FLG; | |
| 3242 vlun->svl_resrv_pip = vpkt->vpkt_path; | |
| 3243 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 3244 "!vhci_intr: vlun 0x%p reserved path 0x%p", | |
| 3245 (void *)vlun, (void *)vpkt->vpkt_path)); | |
| 3246 } | |
| 3247 break; | |
| 3248 | |
| 3249 case STATUS_RESERVATION_CONFLICT: | |
| 3250 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 3251 "!vhci_intr: vlun 0x%p " | |
| 3252 "reserve conflict on path 0x%p", | |
| 3253 (void *)vlun, (void *)vpkt->vpkt_path)); | |
| 3254 /* FALLTHROUGH */ | |
| 3255 default: | |
| 3256 break; | |
| 3257 } | |
| 3258 | |
| 3259 /* | |
| 3260 * Update I/O completion statistics for the path | |
| 3261 */ | |
| 3262 mdi_pi_kstat_iosupdate(vpkt->vpkt_path, vpkt->vpkt_tgt_init_bp); | |
| 3263 | |
| 3264 /* | |
| 3265 * Command completed successfully, release the dma binding and | |
| 3266 * destroy the transport side of the packet. | |
| 3267 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
3268 if ((pkt->pkt_cdbp[0] == SCMD_PROUT) && |
| 4851 | 3269 (((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_REGISTER) || |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3270 ((pkt->pkt_cdbp[1] & 0x1f) == VHCI_PROUT_R_AND_IGNORE))) { |
| 4851 | 3271 if (SCBP_C(pkt) == STATUS_GOOD) { |
| 3272 ASSERT(vlun->svl_taskq); | |
| 3273 svp->svp_last_pkt_reason = pkt->pkt_reason; | |
| 3274 (void) taskq_dispatch(vlun->svl_taskq, | |
| 3275 vhci_run_cmd, pkt, KM_SLEEP); | |
| 3276 return; | |
| 3277 } | |
| 3278 } | |
| 3279 if ((SCBP_C(pkt) == STATUS_GOOD) && | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3280 (pkt->pkt_cdbp[0] == SCMD_PRIN) && vpkt->vpkt_tgt_init_bp) { |
| 4851 | 3281 /* |
| 3282 * If the action (value in byte 1 of the cdb) is zero, | |
| 3283 * we're reading keys, and that's the only condition | |
| 3284 * where we need to be concerned with filtering keys | |
| 3285 * and potential retries. Otherwise, we simply signal | |
| 3286 * the semaphore and move on. | |
| 3287 */ | |
| 3288 if (pkt->pkt_cdbp[1] == 0) { | |
| 3289 /* | |
| 3290 * If this is the completion of an internal | |
| 3291 * retry then we need to make sure that the | |
| 3292 * pkt and tpkt pointers are readjusted so | |
| 3293 * the calls to scsi_destroy_pkt and pkt_comp | |
| 3294 * below work * correctly. | |
| 3295 */ | |
| 3296 if (vpkt->vpkt_org_vpkt != NULL) { | |
| 3297 pkt = vpkt->vpkt_org_vpkt->vpkt_hba_pkt; | |
| 3298 tpkt = vpkt->vpkt_org_vpkt-> | |
| 3299 vpkt_tgt_pkt; | |
| 3300 | |
| 3301 /* | |
| 3302 * If this command was issued through | |
| 3303 * the taskq then we need to clear | |
| 3304 * this flag for proper processing in | |
| 3305 * the case of a retry from the target | |
| 3306 * driver. | |
| 3307 */ | |
| 3308 vpkt->vpkt_state &= | |
| 3309 ~VHCI_PKT_THRU_TASKQ; | |
| 3310 } | |
| 3311 | |
| 3312 /* | |
| 3313 * if vhci_do_prin returns VHCI_CMD_CMPLT then | |
| 3314 * vpkt will contain the address of the | |
| 3315 * original vpkt | |
| 3316 */ | |
|
7201
0259de900d45
6625553 BAD TRAP: type=31 rp=2a100297730 addr=0 mmu_fsr=0 occurred in module "genunix"
rralphs
parents:
7191
diff
changeset
|
3317 if (vhci_do_prin(&vpkt) == VHCI_CMD_RETRY) { |
| 4851 | 3318 /* |
| 3319 * The command has been resent to get | |
| 3320 * all the keys from the device. Don't | |
| 3321 * complete the command with ssd until | |
| 3322 * the retry completes. | |
| 3323 */ | |
| 3324 return; | |
| 3325 } | |
| 3326 } else { | |
| 3327 sema_v(&vlun->svl_pgr_sema); | |
| 3328 } | |
| 3329 } | |
| 3330 | |
| 3331 break; | |
| 3332 | |
| 3333 case CMD_TIMEOUT: | |
| 3334 if ((pkt->pkt_statistics & | |
| 3335 (STAT_BUS_RESET|STAT_DEV_RESET|STAT_ABORTED)) == 0) { | |
| 3336 | |
| 3337 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 3338 "!scsi vhci timeout invoked\n")); | |
| 3339 | |
| 3340 (void) vhci_recovery_reset(vlun, &pkt->pkt_address, | |
| 3341 FALSE, VHCI_DEPTH_ALL); | |
| 3342 } | |
| 3343 MDI_PI_ERRSTAT(lpath, MDI_PI_TRANSERR); | |
| 3344 tpkt->pkt_statistics |= STAT_ABORTED; | |
| 3345 err_str = timeout_err; | |
| 3346 break; | |
| 3347 | |
| 3348 case CMD_TRAN_ERR: | |
| 3349 /* | |
| 3350 * This status is returned if the transport has sent the cmd | |
| 3351 * down the link to the target and then some error occurs. | |
| 3352 * In case of SCSI-II RESERVE cmd, we don't know if the | |
| 3353 * reservation been accepted by the target or not, so we need | |
| 3354 * to clear the reservation. | |
| 3355 */ | |
| 3356 if ((pkt->pkt_cdbp[0] == SCMD_RESERVE) || | |
| 3357 (pkt->pkt_cdbp[0] == SCMD_RESERVE_G1)) { | |
| 3358 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_intr received" | |
| 3359 " cmd_tran_err for scsi-2 reserve cmd\n")); | |
| 3360 if (!vhci_recovery_reset(vlun, &pkt->pkt_address, | |
| 3361 TRUE, VHCI_DEPTH_TARGET)) { | |
| 3362 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 3363 "!vhci_intr cmd_tran_err reset failed!")); | |
| 3364 } | |
| 3365 } | |
| 3366 break; | |
| 3367 | |
| 3368 case CMD_DEV_GONE: | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3369 /* |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3370 * If this is the last path then report CMD_DEV_GONE to the |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3371 * target driver, otherwise report BUSY to triggger retry. |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3372 */ |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3373 if (vlun->svl_dip && |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3374 (mdi_client_get_path_count(vlun->svl_dip) <= 1)) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3375 struct scsi_vhci *vhci; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3376 vhci = ADDR2VHCI(&tpkt->pkt_address); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3377 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_intr received " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3378 "cmd_dev_gone on last path\n")); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3379 (void) vhci_invalidate_mpapi_lu(vhci, vlun); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3380 break; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3381 } |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3382 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3383 /* Report CMD_CMPLT-with-BUSY to cause retry. */ |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3384 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_intr received " |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3385 "cmd_dev_gone\n")); |
| 4851 | 3386 tpkt->pkt_reason = CMD_CMPLT; |
| 3387 tpkt->pkt_state = STATE_GOT_BUS | | |
| 3388 STATE_GOT_TARGET | STATE_SENT_CMD | | |
| 3389 STATE_GOT_STATUS; | |
| 3390 *(tpkt->pkt_scbp) = STATUS_BUSY; | |
| 3391 break; | |
| 3392 | |
| 3393 default: | |
| 3394 break; | |
| 3395 } | |
| 3396 | |
| 3397 /* | |
| 3398 * SCSI-II RESERVE cmd has been serviced by the lower layers clear | |
| 3399 * the flag so the lun is not QUIESCED any longer. | |
| 3400 * Also clear the VHCI_PKT_THRU_TASKQ flag, to ensure that if this pkt | |
| 3401 * is retried, a taskq shall again be dispatched to service it. Else | |
| 3402 * it may lead to a system hang if the retry is within interrupt | |
| 3403 * context. | |
| 3404 */ | |
| 3405 if ((pkt->pkt_cdbp[0] == SCMD_RESERVE) || | |
| 3406 (pkt->pkt_cdbp[0] == SCMD_RESERVE_G1)) { | |
| 3407 vlun->svl_flags &= ~VLUN_QUIESCED_FLG; | |
| 3408 vpkt->vpkt_state &= ~VHCI_PKT_THRU_TASKQ; | |
| 3409 } | |
| 3410 | |
| 3411 /* | |
| 3412 * vpkt_org_vpkt should always be NULL here if the retry command | |
| 3413 * has been successfully processed. If vpkt_org_vpkt != NULL at | |
| 3414 * this point, it is an error so restore the original vpkt and | |
| 3415 * return an error to the target driver so it can retry the | |
| 3416 * command as appropriate. | |
| 3417 */ | |
| 3418 if (vpkt->vpkt_org_vpkt != NULL) { | |
| 3419 struct vhci_pkt *new_vpkt = vpkt; | |
| 3420 vpkt = vpkt->vpkt_org_vpkt; | |
| 3421 | |
| 3422 vhci_scsi_destroy_pkt(&svp->svp_psd->sd_address, | |
| 3423 new_vpkt->vpkt_tgt_pkt); | |
| 3424 | |
| 3425 /* | |
| 3426 * Mark this command completion as having an error so that | |
| 3427 * ssd will retry the command. | |
| 3428 */ | |
| 3429 vpkt->vpkt_tgt_pkt->pkt_reason = CMD_ABORTED; | |
| 3430 vpkt->vpkt_tgt_pkt->pkt_statistics |= STAT_ABORTED; | |
| 3431 | |
| 3432 pkt = vpkt->vpkt_hba_pkt; | |
| 3433 tpkt = vpkt->vpkt_tgt_pkt; | |
| 3434 } | |
| 3435 | |
| 3436 if ((err_str != NULL) && (pkt->pkt_reason != | |
| 3437 svp->svp_last_pkt_reason)) { | |
| 3438 cdip = vlun->svl_dip; | |
| 3439 vdip = ddi_get_parent(cdip); | |
| 3440 cpath = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3441 vhci_log(CE_WARN, vdip, "!%s (%s%d): %s on path %s", |
| 4851 | 3442 ddi_pathname(cdip, cpath), ddi_driver_name(cdip), |
| 3443 ddi_get_instance(cdip), err_str, | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3444 mdi_pi_spathname(vpkt->vpkt_path)); |
| 4851 | 3445 kmem_free(cpath, MAXPATHLEN); |
| 3446 } | |
| 3447 svp->svp_last_pkt_reason = pkt->pkt_reason; | |
| 3448 VHCI_DECR_PATH_CMDCOUNT(svp); | |
| 3449 | |
| 3450 /* | |
| 3451 * For PARTIAL_DMA, vhci should not free the path. | |
| 3452 * Target driver will call into vhci_scsi_dmafree or | |
| 3453 * destroy pkt to release this path. | |
| 3454 */ | |
| 3455 if ((vpkt->vpkt_flags & CFLAG_DMA_PARTIAL) == 0) { | |
| 3456 scsi_destroy_pkt(pkt); | |
| 3457 vpkt->vpkt_hba_pkt = NULL; | |
| 3458 if (vpkt->vpkt_path) { | |
| 3459 mdi_rele_path(vpkt->vpkt_path); | |
| 3460 vpkt->vpkt_path = NULL; | |
| 3461 } | |
| 3462 } | |
| 3463 | |
|
9106
ee8f18cdafb2
6809527 scsi_hba_pkt_comp():More consumers
srivijitha dugganapalli <Srivijitha.Dugganapalli@Sun.COM>
parents:
8851
diff
changeset
|
3464 scsi_hba_pkt_comp(tpkt); |
| 4851 | 3465 } |
| 3466 | |
| 3467 /* | |
| 3468 * two possibilities: (1) failover has completed | |
| 3469 * or (2) is in progress; update our path states for | |
| 3470 * the former case; for the latter case, | |
| 3471 * initiate a scsi_watch request to | |
| 3472 * determine when failover completes - vlun is HELD | |
| 3473 * until failover completes; BUSY is returned to upper | |
| 3474 * layer in both the cases | |
| 3475 */ | |
| 3476 static int | |
| 3477 vhci_handle_ext_fo(struct scsi_pkt *pkt, int fostat) | |
| 3478 { | |
| 3479 struct vhci_pkt *vpkt = (struct vhci_pkt *)pkt->pkt_private; | |
| 3480 struct scsi_pkt *tpkt; | |
| 3481 scsi_vhci_priv_t *svp; | |
| 3482 scsi_vhci_lun_t *vlun; | |
| 3483 struct scsi_vhci *vhci; | |
| 3484 scsi_vhci_swarg_t *swarg; | |
| 3485 char *path; | |
| 3486 | |
| 3487 ASSERT(vpkt != NULL); | |
| 3488 tpkt = vpkt->vpkt_tgt_pkt; | |
| 3489 ASSERT(tpkt != NULL); | |
| 3490 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(vpkt->vpkt_path); | |
| 3491 ASSERT(svp != NULL); | |
| 3492 vlun = svp->svp_svl; | |
| 3493 ASSERT(vlun != NULL); | |
| 3494 ASSERT(VHCI_LUN_IS_HELD(vlun)); | |
| 3495 | |
| 3496 vhci = ADDR2VHCI(&tpkt->pkt_address); | |
| 3497 | |
| 3498 if (fostat == SCSI_SENSE_INACTIVE) { | |
| 3499 VHCI_DEBUG(1, (CE_NOTE, NULL, "!Failover " | |
| 3500 "detected for %s; updating path states...\n", | |
| 3501 vlun->svl_lun_wwn)); | |
| 3502 /* | |
| 3503 * set the vlun flag to indicate to the task that the target | |
| 3504 * port group needs updating | |
| 3505 */ | |
| 3506 vlun->svl_flags |= VLUN_UPDATE_TPG; | |
| 3507 (void) taskq_dispatch(vhci->vhci_update_pathstates_taskq, | |
| 3508 vhci_update_pathstates, (void *)vlun, KM_SLEEP); | |
| 3509 } else { | |
| 3510 path = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
| 3511 vhci_log(CE_NOTE, ddi_get_parent(vlun->svl_dip), | |
| 3512 "!%s (%s%d): Waiting for externally initiated failover " | |
| 3513 "to complete", ddi_pathname(vlun->svl_dip, path), | |
| 3514 ddi_driver_name(vlun->svl_dip), | |
| 3515 ddi_get_instance(vlun->svl_dip)); | |
| 3516 kmem_free(path, MAXPATHLEN); | |
| 3517 swarg = kmem_alloc(sizeof (*swarg), KM_NOSLEEP); | |
| 3518 if (swarg == NULL) { | |
| 3519 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_handle_ext_fo: " | |
| 3520 "request packet allocation for %s failed....\n", | |
| 3521 vlun->svl_lun_wwn)); | |
| 3522 VHCI_RELEASE_LUN(vlun); | |
| 3523 return (PKT_RETURN); | |
| 3524 } | |
| 3525 swarg->svs_svp = svp; | |
| 3526 swarg->svs_tos = ddi_get_time(); | |
| 3527 swarg->svs_pi = vpkt->vpkt_path; | |
| 3528 swarg->svs_release_lun = 0; | |
| 3529 swarg->svs_done = 0; | |
| 3530 /* | |
| 3531 * place a hold on the path...we don't want it to | |
| 3532 * vanish while scsi_watch is in progress | |
| 3533 */ | |
| 3534 mdi_hold_path(vpkt->vpkt_path); | |
| 3535 svp->svp_sw_token = scsi_watch_request_submit(svp->svp_psd, | |
| 3536 VHCI_FOWATCH_INTERVAL, SENSE_LENGTH, vhci_efo_watch_cb, | |
| 3537 (caddr_t)swarg); | |
| 3538 } | |
| 3539 return (BUSY_RETURN); | |
| 3540 } | |
| 3541 | |
| 3542 /* | |
| 3543 * vhci_efo_watch_cb: | |
| 3544 * Callback from scsi_watch request to check the failover status. | |
| 3545 * Completion is either due to successful failover or timeout. | |
| 3546 * Upon successful completion, vhci_update_path_states is called. | |
| 3547 * For timeout condition, vhci_efo_done is called. | |
| 3548 * Always returns 0 to scsi_watch to keep retrying till vhci_efo_done | |
| 3549 * terminates this request properly in a separate thread. | |
| 3550 */ | |
| 3551 | |
| 3552 static int | |
| 3553 vhci_efo_watch_cb(caddr_t arg, struct scsi_watch_result *resultp) | |
| 3554 { | |
| 3555 struct scsi_status *statusp = resultp->statusp; | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
3556 uint8_t *sensep = (uint8_t *)resultp->sensep; |
| 4851 | 3557 struct scsi_pkt *pkt = resultp->pkt; |
| 3558 scsi_vhci_swarg_t *swarg; | |
| 3559 scsi_vhci_priv_t *svp; | |
| 3560 scsi_vhci_lun_t *vlun; | |
| 3561 struct scsi_vhci *vhci; | |
| 3562 dev_info_t *vdip; | |
| 3563 int rval, updt_paths; | |
| 3564 | |
| 3565 swarg = (scsi_vhci_swarg_t *)(uintptr_t)arg; | |
| 3566 svp = swarg->svs_svp; | |
| 3567 if (swarg->svs_done) { | |
| 3568 /* | |
| 3569 * Already completed failover or timedout. | |
| 3570 * Waiting for vhci_efo_done to terminate this scsi_watch. | |
| 3571 */ | |
| 3572 return (0); | |
| 3573 } | |
| 3574 | |
| 3575 ASSERT(svp != NULL); | |
| 3576 vlun = svp->svp_svl; | |
| 3577 ASSERT(vlun != NULL); | |
| 3578 ASSERT(VHCI_LUN_IS_HELD(vlun)); | |
| 3579 vlun->svl_efo_update_path = 0; | |
| 3580 vdip = ddi_get_parent(vlun->svl_dip); | |
| 3581 vhci = ddi_get_soft_state(vhci_softstate, | |
| 3582 ddi_get_instance(vdip)); | |
| 3583 | |
| 3584 updt_paths = 0; | |
| 3585 | |
| 3586 if (pkt->pkt_reason != CMD_CMPLT) { | |
| 3587 if ((ddi_get_time() - swarg->svs_tos) >= VHCI_EXTFO_TIMEOUT) { | |
| 3588 swarg->svs_release_lun = 1; | |
| 3589 goto done; | |
| 3590 } | |
| 3591 return (0); | |
| 3592 } | |
| 3593 if (*((unsigned char *)statusp) == STATUS_CHECK) { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3594 rval = vlun->svl_fops->sfo_analyze_sense(svp->svp_psd, sensep, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3595 vlun->svl_fops_ctpriv); |
| 4851 | 3596 switch (rval) { |
| 3597 /* | |
| 3598 * Only update path states in case path is definitely | |
| 3599 * inactive, or no failover occurred. For all other | |
| 3600 * check conditions continue pinging. A unexpected | |
| 3601 * check condition shouldn't cause pinging to complete | |
| 3602 * prematurely. | |
| 3603 */ | |
| 3604 case SCSI_SENSE_INACTIVE: | |
| 3605 case SCSI_SENSE_NOFAILOVER: | |
| 3606 updt_paths = 1; | |
| 3607 break; | |
| 3608 default: | |
| 3609 if ((ddi_get_time() - swarg->svs_tos) | |
| 3610 >= VHCI_EXTFO_TIMEOUT) { | |
| 3611 swarg->svs_release_lun = 1; | |
| 3612 goto done; | |
| 3613 } | |
| 3614 return (0); | |
| 3615 } | |
| 3616 } else if (*((unsigned char *)statusp) == | |
| 3617 STATUS_RESERVATION_CONFLICT) { | |
| 3618 updt_paths = 1; | |
| 3619 } else if ((*((unsigned char *)statusp)) & | |
| 3620 (STATUS_BUSY | STATUS_QFULL)) { | |
| 3621 return (0); | |
| 3622 } | |
| 3623 if ((*((unsigned char *)statusp) == STATUS_GOOD) || | |
| 3624 (updt_paths == 1)) { | |
| 3625 /* | |
| 3626 * we got here because we had detected an | |
| 3627 * externally initiated failover; things | |
| 3628 * have settled down now, so let's | |
| 3629 * start up a task to update the | |
| 3630 * path states and target port group | |
| 3631 */ | |
| 3632 vlun->svl_efo_update_path = 1; | |
| 3633 swarg->svs_done = 1; | |
| 3634 vlun->svl_swarg = swarg; | |
| 3635 vlun->svl_flags |= VLUN_UPDATE_TPG; | |
| 3636 (void) taskq_dispatch(vhci->vhci_update_pathstates_taskq, | |
| 3637 vhci_update_pathstates, (void *)vlun, | |
| 3638 KM_SLEEP); | |
| 3639 return (0); | |
| 3640 } | |
| 3641 if ((ddi_get_time() - swarg->svs_tos) >= VHCI_EXTFO_TIMEOUT) { | |
| 3642 swarg->svs_release_lun = 1; | |
| 3643 goto done; | |
| 3644 } | |
| 3645 return (0); | |
| 3646 done: | |
| 3647 swarg->svs_done = 1; | |
| 3648 (void) taskq_dispatch(vhci->vhci_taskq, | |
| 3649 vhci_efo_done, (void *)swarg, KM_SLEEP); | |
| 3650 return (0); | |
| 3651 } | |
| 3652 | |
| 3653 /* | |
| 3654 * vhci_efo_done: | |
| 3655 * cleanly terminates scsi_watch and free up resources. | |
| 3656 * Called as taskq function in vhci_efo_watch_cb for EFO timeout condition | |
| 3657 * or by vhci_update_path_states invoked during external initiated | |
| 3658 * failover completion. | |
| 3659 */ | |
| 3660 static void | |
| 3661 vhci_efo_done(void *arg) | |
| 3662 { | |
| 3663 scsi_vhci_lun_t *vlun; | |
| 3664 scsi_vhci_swarg_t *swarg = (scsi_vhci_swarg_t *)arg; | |
| 3665 scsi_vhci_priv_t *svp = swarg->svs_svp; | |
| 3666 ASSERT(svp); | |
| 3667 | |
| 3668 vlun = svp->svp_svl; | |
| 3669 ASSERT(vlun); | |
| 3670 | |
| 3671 /* Wait for clean termination of scsi_watch */ | |
| 3672 (void) scsi_watch_request_terminate(svp->svp_sw_token, | |
|
7191
174d749b3f22
6520112 simultaneous DKIOCSTATE calls causes panic
tl223370
parents:
7121
diff
changeset
|
3673 SCSI_WATCH_TERMINATE_ALL_WAIT); |
| 4851 | 3674 svp->svp_sw_token = NULL; |
| 3675 | |
| 3676 /* release path and freeup resources to indicate failover completion */ | |
| 3677 mdi_rele_path(swarg->svs_pi); | |
| 3678 if (swarg->svs_release_lun) { | |
| 3679 VHCI_RELEASE_LUN(vlun); | |
| 3680 } | |
| 3681 kmem_free((void *)swarg, sizeof (*swarg)); | |
| 3682 } | |
| 3683 | |
| 3684 /* | |
| 3685 * Update the path states | |
| 3686 * vlun should be HELD when this is invoked. | |
| 3687 * Calls vhci_efo_done to cleanup resources allocated for EFO. | |
| 3688 */ | |
| 3689 void | |
| 3690 vhci_update_pathstates(void *arg) | |
| 3691 { | |
| 3692 mdi_pathinfo_t *pip, *npip; | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3693 dev_info_t *dip; |
| 4851 | 3694 struct scsi_failover_ops *fo; |
| 3695 struct scsi_vhci_priv *svp; | |
| 3696 struct scsi_device *psd; | |
| 3697 struct scsi_path_opinfo opinfo; | |
| 3698 char *pclass, *tptr; | |
| 3699 struct scsi_vhci_lun *vlun = (struct scsi_vhci_lun *)arg; | |
| 3700 int sps; /* mdi_select_path() status */ | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3701 char *cpath; |
| 4851 | 3702 struct scsi_vhci *vhci; |
| 3703 struct scsi_pkt *pkt; | |
| 3704 struct buf *bp; | |
| 3705 int reserve_conflict = 0; | |
| 3706 | |
| 3707 ASSERT(VHCI_LUN_IS_HELD(vlun)); | |
| 3708 dip = vlun->svl_dip; | |
| 3709 pip = npip = NULL; | |
| 3710 | |
| 3711 vhci = ddi_get_soft_state(vhci_softstate, | |
| 3712 ddi_get_instance(ddi_get_parent(dip))); | |
| 3713 | |
| 3714 sps = mdi_select_path(dip, NULL, (MDI_SELECT_ONLINE_PATH | | |
|
7461
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3715 MDI_SELECT_STANDBY_PATH | MDI_SELECT_NO_PREFERRED), NULL, &npip); |
| 4851 | 3716 if ((npip == NULL) || (sps != MDI_SUCCESS)) { |
| 3717 goto done; | |
| 3718 } | |
| 3719 | |
| 3720 fo = vlun->svl_fops; | |
| 3721 do { | |
| 3722 pip = npip; | |
| 3723 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 3724 psd = svp->svp_psd; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
3725 if (fo->sfo_path_get_opinfo(psd, &opinfo, |
| 4851 | 3726 vlun->svl_fops_ctpriv) != 0) { |
| 3727 sps = mdi_select_path(dip, NULL, | |
|
7461
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3728 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH | |
|
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3729 MDI_SELECT_NO_PREFERRED), pip, &npip); |
| 4851 | 3730 mdi_rele_path(pip); |
| 3731 continue; | |
| 3732 } | |
| 3733 | |
| 3734 if (mdi_prop_lookup_string(pip, "path-class", &pclass) != | |
| 3735 MDI_SUCCESS) { | |
| 3736 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 3737 "!vhci_update_pathstates: prop lookup failed for " | |
| 3738 "path 0x%p\n", (void *)pip)); | |
| 3739 sps = mdi_select_path(dip, NULL, | |
|
7461
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3740 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH | |
|
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3741 MDI_SELECT_NO_PREFERRED), pip, &npip); |
| 4851 | 3742 mdi_rele_path(pip); |
| 3743 continue; | |
| 3744 } | |
| 3745 | |
| 3746 /* | |
| 3747 * Need to update the "path-class" property | |
| 3748 * value in the device tree if different | |
| 3749 * from the existing value. | |
| 3750 */ | |
| 3751 if (strcmp(pclass, opinfo.opinfo_path_attr) != 0) { | |
| 3752 (void) mdi_prop_update_string(pip, "path-class", | |
| 3753 opinfo.opinfo_path_attr); | |
| 3754 } | |
| 3755 | |
| 3756 /* | |
| 3757 * Only change the state if needed. i.e. Don't call | |
| 3758 * mdi_pi_set_state to ONLINE a path if its already | |
| 3759 * ONLINE. Same for STANDBY paths. | |
| 3760 */ | |
| 3761 | |
| 3762 if ((opinfo.opinfo_path_state == SCSI_PATH_ACTIVE || | |
| 3763 opinfo.opinfo_path_state == SCSI_PATH_ACTIVE_NONOPT)) { | |
| 3764 if (!(MDI_PI_IS_ONLINE(pip))) { | |
| 3765 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 3766 "!vhci_update_pathstates: marking path" | |
| 3767 " 0x%p as ONLINE\n", (void *)pip)); | |
| 3768 cpath = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3769 vhci_log(CE_NOTE, ddi_get_parent(dip), "!%s " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3770 "(%s%d): path %s " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3771 "is now ONLINE because of " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3772 "an externally initiated failover", |
| 4851 | 3773 ddi_pathname(dip, cpath), |
| 3774 ddi_driver_name(dip), | |
| 3775 ddi_get_instance(dip), | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3776 mdi_pi_spathname(pip)); |
| 4851 | 3777 kmem_free(cpath, MAXPATHLEN); |
| 3778 mdi_pi_set_state(pip, | |
| 3779 MDI_PATHINFO_STATE_ONLINE); | |
| 3780 mdi_pi_set_preferred(pip, | |
| 3781 opinfo.opinfo_preferred); | |
| 3782 tptr = kmem_alloc(strlen | |
| 3783 (opinfo.opinfo_path_attr)+1, KM_SLEEP); | |
| 3784 (void) strlcpy(tptr, opinfo.opinfo_path_attr, | |
| 3785 (strlen(opinfo.opinfo_path_attr)+1)); | |
| 3786 mutex_enter(&vlun->svl_mutex); | |
| 3787 if (vlun->svl_active_pclass != NULL) { | |
| 3788 kmem_free(vlun->svl_active_pclass, | |
| 3789 strlen(vlun->svl_active_pclass)+1); | |
| 3790 } | |
| 3791 vlun->svl_active_pclass = tptr; | |
| 3792 if (vlun->svl_waiting_for_activepath) { | |
| 3793 vlun->svl_waiting_for_activepath = 0; | |
| 3794 } | |
| 3795 mutex_exit(&vlun->svl_mutex); | |
| 3796 /* Check for Reservation Conflict */ | |
| 3797 bp = scsi_alloc_consistent_buf( | |
| 3798 &svp->svp_psd->sd_address, | |
| 3799 (struct buf *)NULL, DEV_BSIZE, B_READ, | |
| 3800 NULL, NULL); | |
| 3801 if (!bp) { | |
| 3802 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 3803 "vhci_update_pathstates: " | |
| 3804 "!No resources (buf)\n")); | |
| 3805 mdi_rele_path(pip); | |
| 3806 goto done; | |
| 3807 } | |
| 3808 pkt = scsi_init_pkt(&svp->svp_psd->sd_address, | |
| 3809 NULL, bp, CDB_GROUP1, | |
| 3810 sizeof (struct scsi_arq_status), 0, | |
| 3811 PKT_CONSISTENT, NULL, NULL); | |
| 3812 if (pkt) { | |
| 3813 (void) scsi_setup_cdb((union scsi_cdb *) | |
| 3814 (uintptr_t)pkt->pkt_cdbp, | |
| 3815 SCMD_READ, 1, 1, 0); | |
| 3816 pkt->pkt_time = 3*30; | |
| 3817 pkt->pkt_flags = FLAG_NOINTR; | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3818 pkt->pkt_path_instance = |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3819 mdi_pi_get_path_instance(pip); |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
3820 |
| 4851 | 3821 if ((scsi_transport(pkt) == |
| 3822 TRAN_ACCEPT) && (pkt->pkt_reason | |
| 3823 == CMD_CMPLT) && (SCBP_C(pkt) == | |
| 3824 STATUS_RESERVATION_CONFLICT)) { | |
| 3825 reserve_conflict = 1; | |
| 3826 } | |
| 3827 scsi_destroy_pkt(pkt); | |
| 3828 } | |
| 3829 scsi_free_consistent_buf(bp); | |
| 3830 } else if (MDI_PI_IS_ONLINE(pip)) { | |
| 3831 if (strcmp(pclass, opinfo.opinfo_path_attr) | |
| 3832 != 0) { | |
| 3833 mdi_pi_set_preferred(pip, | |
| 3834 opinfo.opinfo_preferred); | |
| 3835 mutex_enter(&vlun->svl_mutex); | |
| 3836 if (vlun->svl_active_pclass == NULL || | |
| 3837 strcmp(opinfo.opinfo_path_attr, | |
| 3838 vlun->svl_active_pclass) != 0) { | |
| 3839 mutex_exit(&vlun->svl_mutex); | |
| 3840 tptr = kmem_alloc(strlen | |
| 3841 (opinfo.opinfo_path_attr)+1, | |
| 3842 KM_SLEEP); | |
| 3843 (void) strlcpy(tptr, | |
| 3844 opinfo.opinfo_path_attr, | |
| 3845 (strlen | |
| 3846 (opinfo.opinfo_path_attr) | |
| 3847 +1)); | |
| 3848 mutex_enter(&vlun->svl_mutex); | |
| 3849 } else { | |
| 3850 /* | |
| 3851 * No need to update | |
| 3852 * svl_active_pclass | |
| 3853 */ | |
| 3854 tptr = NULL; | |
| 3855 mutex_exit(&vlun->svl_mutex); | |
| 3856 } | |
| 3857 if (tptr) { | |
| 3858 if (vlun->svl_active_pclass | |
| 3859 != NULL) { | |
| 3860 kmem_free(vlun-> | |
| 3861 svl_active_pclass, | |
| 3862 strlen(vlun-> | |
| 3863 svl_active_pclass) | |
| 3864 +1); | |
| 3865 } | |
| 3866 vlun->svl_active_pclass = tptr; | |
| 3867 mutex_exit(&vlun->svl_mutex); | |
| 3868 } | |
| 3869 } | |
| 3870 } | |
| 3871 } else if ((opinfo.opinfo_path_state == SCSI_PATH_INACTIVE) && | |
| 3872 !(MDI_PI_IS_STANDBY(pip))) { | |
| 3873 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 3874 "!vhci_update_pathstates: marking path" | |
| 3875 " 0x%p as STANDBY\n", (void *)pip)); | |
| 3876 cpath = kmem_alloc(MAXPATHLEN, KM_SLEEP); | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3877 vhci_log(CE_NOTE, ddi_get_parent(dip), "!%s " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3878 "(%s%d): path %s " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3879 "is now STANDBY because of " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3880 "an externally initiated failover", |
| 4851 | 3881 ddi_pathname(dip, cpath), |
| 3882 ddi_driver_name(dip), | |
| 3883 ddi_get_instance(dip), | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
3884 mdi_pi_spathname(pip)); |
| 4851 | 3885 kmem_free(cpath, MAXPATHLEN); |
| 3886 mdi_pi_set_state(pip, | |
| 3887 MDI_PATHINFO_STATE_STANDBY); | |
| 3888 mdi_pi_set_preferred(pip, | |
| 3889 opinfo.opinfo_preferred); | |
| 3890 mutex_enter(&vlun->svl_mutex); | |
| 3891 if (vlun->svl_active_pclass != NULL) { | |
| 3892 if (strcmp(vlun->svl_active_pclass, | |
| 3893 opinfo.opinfo_path_attr) == 0) { | |
| 3894 kmem_free(vlun-> | |
| 3895 svl_active_pclass, | |
| 3896 strlen(vlun-> | |
| 3897 svl_active_pclass)+1); | |
| 3898 vlun->svl_active_pclass = NULL; | |
| 3899 } | |
| 3900 } | |
| 3901 mutex_exit(&vlun->svl_mutex); | |
| 3902 } | |
| 3903 (void) mdi_prop_free(pclass); | |
| 3904 sps = mdi_select_path(dip, NULL, | |
|
7461
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3905 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH | |
|
1c206c17e7a2
6649625 MPxIO not trying on all available paths on device and path failures to storage
Sheshadri Vasudevan <Sheshadri.Vasudevan@Sun.COM>
parents:
7399
diff
changeset
|
3906 MDI_SELECT_NO_PREFERRED), pip, &npip); |
| 4851 | 3907 mdi_rele_path(pip); |
| 3908 | |
| 3909 } while ((npip != NULL) && (sps == MDI_SUCCESS)); | |
| 3910 | |
| 3911 /* | |
| 3912 * Check to see if this vlun has an active SCSI-II RESERVE. If so | |
| 3913 * clear the reservation by sending a reset, so the host doesn't | |
| 3914 * receive a reservation conflict. | |
| 3915 * Reset VLUN_RESERVE_ACTIVE_FLG for this vlun. Also notify ssd | |
| 3916 * of the reset, explicitly. | |
| 3917 */ | |
| 3918 if (vlun->svl_flags & VLUN_RESERVE_ACTIVE_FLG) { | |
| 3919 if (reserve_conflict && (vlun->svl_xlf_capable == 0)) { | |
| 3920 (void) vhci_recovery_reset(vlun, | |
| 3921 &svp->svp_psd->sd_address, FALSE, | |
| 3922 VHCI_DEPTH_TARGET); | |
| 3923 } | |
| 3924 vlun->svl_flags &= ~VLUN_RESERVE_ACTIVE_FLG; | |
| 3925 mutex_enter(&vhci->vhci_mutex); | |
| 3926 scsi_hba_reset_notify_callback(&vhci->vhci_mutex, | |
| 3927 &vhci->vhci_reset_notify_listf); | |
| 3928 mutex_exit(&vhci->vhci_mutex); | |
| 3929 } | |
| 3930 if (vlun->svl_flags & VLUN_UPDATE_TPG) { | |
| 3931 /* | |
| 3932 * Update the AccessState of related MP-API TPGs | |
| 3933 */ | |
| 3934 (void) vhci_mpapi_update_tpg_acc_state_for_lu(vhci, vlun); | |
| 3935 vlun->svl_flags &= ~VLUN_UPDATE_TPG; | |
| 3936 } | |
| 3937 done: | |
| 3938 if (vlun->svl_efo_update_path) { | |
| 3939 vlun->svl_efo_update_path = 0; | |
| 3940 vhci_efo_done(vlun->svl_swarg); | |
| 3941 vlun->svl_swarg = 0; | |
| 3942 } | |
| 3943 VHCI_RELEASE_LUN(vlun); | |
| 3944 } | |
| 3945 | |
| 3946 /* ARGSUSED */ | |
| 3947 static int | |
| 3948 vhci_pathinfo_init(dev_info_t *vdip, mdi_pathinfo_t *pip, int flags) | |
| 3949 { | |
| 3950 scsi_hba_tran_t *hba = NULL; | |
| 3951 struct scsi_device *psd = NULL; | |
| 3952 scsi_vhci_lun_t *vlun = NULL; | |
| 3953 dev_info_t *pdip = NULL; | |
| 3954 dev_info_t *tgt_dip; | |
| 3955 struct scsi_vhci *vhci; | |
| 3956 char *guid; | |
| 3957 scsi_vhci_priv_t *svp = NULL; | |
| 3958 int rval = MDI_FAILURE; | |
| 3959 int vlun_alloced = 0; | |
| 3960 | |
| 3961 ASSERT(vdip != NULL); | |
| 3962 ASSERT(pip != NULL); | |
| 3963 | |
| 3964 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(vdip)); | |
| 3965 ASSERT(vhci != NULL); | |
| 3966 | |
| 3967 pdip = mdi_pi_get_phci(pip); | |
| 3968 ASSERT(pdip != NULL); | |
| 3969 | |
| 3970 hba = ddi_get_driver_private(pdip); | |
| 3971 ASSERT(hba != NULL); | |
| 3972 | |
| 3973 tgt_dip = mdi_pi_get_client(pip); | |
| 3974 ASSERT(tgt_dip != NULL); | |
| 3975 | |
| 3976 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, tgt_dip, PROPFLAGS, | |
| 3977 MDI_CLIENT_GUID_PROP, &guid) != DDI_SUCCESS) { | |
| 3978 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 3979 "vhci_pathinfo_init: lun guid property failed")); | |
| 3980 goto failure; | |
| 3981 } | |
| 3982 | |
| 3983 vlun = vhci_lun_lookup_alloc(tgt_dip, guid, &vlun_alloced); | |
| 3984 ddi_prop_free(guid); | |
| 3985 | |
| 3986 vlun->svl_dip = tgt_dip; | |
| 3987 | |
| 3988 svp = kmem_zalloc(sizeof (*svp), KM_SLEEP); | |
| 3989 svp->svp_svl = vlun; | |
| 3990 | |
| 3991 vlun->svl_lb_policy_save = mdi_get_lb_policy(tgt_dip); | |
| 3992 mutex_init(&svp->svp_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 3993 cv_init(&svp->svp_cv, NULL, CV_DRIVER, NULL); | |
| 3994 | |
| 3995 psd = kmem_zalloc(sizeof (*psd), KM_SLEEP); | |
| 3996 mutex_init(&psd->sd_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 3997 | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
3998 if (hba->tran_hba_flags & SCSI_HBA_ADDR_COMPLEX) { |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
3999 /* |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4000 * For a SCSI_HBA_ADDR_COMPLEX transport we store a pointer to |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4001 * scsi_device in the scsi_address structure. This allows an |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4002 * an HBA driver to find its scsi_device(9S) and |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4003 * per-scsi_device(9S) HBA private data given a |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4004 * scsi_address(9S) by using scsi_address_device(9F) and |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4005 * scsi_device_hba_private_get(9F)). |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4006 */ |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4007 psd->sd_address.a.a_sd = psd; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4008 } else if (hba->tran_hba_flags & SCSI_HBA_TRAN_CLONE) { |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4009 /* |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4010 * Clone transport structure if requested, so |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4011 * Self enumerating HBAs always need to use cloning |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4012 */ |
| 4851 | 4013 scsi_hba_tran_t *clone = |
| 4014 kmem_alloc(sizeof (scsi_hba_tran_t), KM_SLEEP); | |
| 4015 bcopy(hba, clone, sizeof (scsi_hba_tran_t)); | |
| 4016 hba = clone; | |
| 4017 hba->tran_sd = psd; | |
| 4018 } else { | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4019 /* |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4020 * SPI pHCI unit-address. If we ever need to support this |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4021 * we could set a.spi.a_target/a.spi.a_lun based on pathinfo |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4022 * node unit-address properties. For now we fail... |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4023 */ |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4024 goto failure; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4025 } |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4026 |
| 4851 | 4027 psd->sd_dev = tgt_dip; |
| 4028 psd->sd_address.a_hba_tran = hba; | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4029 |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4030 /* |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4031 * Mark scsi_device as being associated with a pathinfo node. For |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4032 * a scsi_device structure associated with a devinfo node, |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4033 * scsi_ctlops_initchild sets this field to NULL. |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4034 */ |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4035 psd->sd_pathinfo = pip; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4036 |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4037 /* |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4038 * LEGACY: sd_private: set for older mpxio-capable pHCI drivers with |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4039 * too much scsi_vhci/mdi/ndi knowledge. Remove this code when all |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4040 * mpxio-capable pHCI drivers use SCSA enumeration services (or at |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4041 * least have been changed to use sd_pathinfo instead). |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4042 */ |
| 4851 | 4043 psd->sd_private = (caddr_t)pip; |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4044 |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4045 /* See scsi_hba.c for info on sd_tran_safe kludge */ |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4046 psd->sd_tran_safe = hba; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4047 |
| 4851 | 4048 svp->svp_psd = psd; |
| 4049 mdi_pi_set_vhci_private(pip, (caddr_t)svp); | |
| 4050 | |
| 4051 /* | |
| 4052 * call hba's target init entry point if it exists | |
| 4053 */ | |
| 4054 if (hba->tran_tgt_init != NULL) { | |
| 4055 if ((rval = (*hba->tran_tgt_init)(pdip, tgt_dip, | |
| 4056 hba, psd)) != DDI_SUCCESS) { | |
| 4057 VHCI_DEBUG(1, (CE_WARN, pdip, | |
| 4058 "!vhci_pathinfo_init: tran_tgt_init failed for " | |
| 4059 "path=0x%p rval=%x", (void *)pip, rval)); | |
| 4060 goto failure; | |
| 4061 } | |
| 4062 } | |
| 4063 | |
| 4064 svp->svp_new_path = 1; | |
| 4065 | |
| 4066 VHCI_DEBUG(4, (CE_NOTE, NULL, "!vhci_pathinfo_init: path:%p\n", | |
| 4067 (void *)pip)); | |
| 4068 return (MDI_SUCCESS); | |
| 4069 | |
| 4070 failure: | |
| 4071 if (psd) { | |
| 4072 mutex_destroy(&psd->sd_mutex); | |
| 4073 kmem_free(psd, sizeof (*psd)); | |
| 4074 } | |
| 4075 if (svp) { | |
| 4076 mdi_pi_set_vhci_private(pip, NULL); | |
| 4077 mutex_destroy(&svp->svp_mutex); | |
| 4078 cv_destroy(&svp->svp_cv); | |
| 4079 kmem_free(svp, sizeof (*svp)); | |
| 4080 } | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4081 if (hba && (hba->tran_hba_flags & SCSI_HBA_TRAN_CLONE)) |
| 4851 | 4082 kmem_free(hba, sizeof (scsi_hba_tran_t)); |
| 4083 | |
| 4084 if (vlun_alloced) | |
| 4085 vhci_lun_free(tgt_dip); | |
| 4086 | |
| 4087 return (rval); | |
| 4088 } | |
| 4089 | |
| 4090 /* ARGSUSED */ | |
| 4091 static int | |
| 4092 vhci_pathinfo_uninit(dev_info_t *vdip, mdi_pathinfo_t *pip, int flags) | |
| 4093 { | |
| 4094 scsi_hba_tran_t *hba = NULL; | |
| 4095 struct scsi_device *psd = NULL; | |
| 4096 dev_info_t *pdip = NULL; | |
| 4097 dev_info_t *cdip = NULL; | |
| 4098 scsi_vhci_priv_t *svp = NULL; | |
| 4099 | |
| 4100 ASSERT(vdip != NULL); | |
| 4101 ASSERT(pip != NULL); | |
| 4102 | |
| 4103 pdip = mdi_pi_get_phci(pip); | |
| 4104 ASSERT(pdip != NULL); | |
| 4105 | |
| 4106 cdip = mdi_pi_get_client(pip); | |
| 4107 ASSERT(cdip != NULL); | |
| 4108 | |
| 4109 hba = ddi_get_driver_private(pdip); | |
| 4110 ASSERT(hba != NULL); | |
| 4111 | |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
4112 vhci_mpapi_set_path_state(vdip, pip, MP_DRVR_PATH_STATE_UNINIT); |
| 4851 | 4113 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); |
| 4114 if (svp == NULL) { | |
| 4115 /* path already freed. Nothing to do. */ | |
| 4116 return (MDI_SUCCESS); | |
| 4117 } | |
| 4118 | |
| 4119 psd = svp->svp_psd; | |
| 4120 ASSERT(psd != NULL); | |
| 4121 | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4122 if (hba->tran_hba_flags & SCSI_HBA_ADDR_COMPLEX) { |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4123 /* Verify plumbing */ |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4124 ASSERT(psd->sd_address.a_hba_tran == hba); |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4125 ASSERT(psd->sd_address.a.a_sd == psd); |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4126 } else if (hba->tran_hba_flags & SCSI_HBA_TRAN_CLONE) { |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
4127 /* Switch to cloned scsi_hba_tran(9S) structure */ |
| 4851 | 4128 hba = psd->sd_address.a_hba_tran; |
| 4129 ASSERT(hba->tran_hba_flags & SCSI_HBA_TRAN_CLONE); | |
| 4130 ASSERT(hba->tran_sd == psd); | |
| 4131 } | |
| 4132 | |
| 4133 if (hba->tran_tgt_free != NULL) { | |
| 4134 (*hba->tran_tgt_free) (pdip, cdip, hba, psd); | |
| 4135 } | |
| 4136 mutex_destroy(&psd->sd_mutex); | |
| 4137 if (hba->tran_hba_flags & SCSI_HBA_TRAN_CLONE) { | |
| 4138 kmem_free(hba, sizeof (*hba)); | |
| 4139 } | |
| 4140 | |
| 4141 mdi_pi_set_vhci_private(pip, NULL); | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4142 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4143 /* |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4144 * Free the pathinfo related scsi_device inquiry data. Note that this |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4145 * matches what happens for scsi_hba.c devinfo case at uninitchild time. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4146 */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4147 if (psd->sd_inq) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4148 kmem_free((caddr_t)psd->sd_inq, sizeof (struct scsi_inquiry)); |
| 4851 | 4149 kmem_free((caddr_t)psd, sizeof (*psd)); |
| 4150 | |
| 4151 mutex_destroy(&svp->svp_mutex); | |
| 4152 cv_destroy(&svp->svp_cv); | |
| 4153 kmem_free((caddr_t)svp, sizeof (*svp)); | |
| 4154 | |
| 4155 /* | |
| 4156 * If this is the last path to the client, | |
| 4157 * then free up the vlun as well. | |
| 4158 */ | |
| 4159 if (mdi_client_get_path_count(cdip) == 1) { | |
| 4160 vhci_lun_free(cdip); | |
| 4161 } | |
| 4162 | |
| 4163 VHCI_DEBUG(4, (CE_NOTE, NULL, "!vhci_pathinfo_uninit: path=0x%p\n", | |
| 4164 (void *)pip)); | |
| 4165 return (MDI_SUCCESS); | |
| 4166 } | |
| 4167 | |
| 4168 /* ARGSUSED */ | |
| 4169 static int | |
| 4170 vhci_pathinfo_state_change(dev_info_t *vdip, mdi_pathinfo_t *pip, | |
| 4171 mdi_pathinfo_state_t state, uint32_t ext_state, int flags) | |
| 4172 { | |
| 4173 int rval = MDI_SUCCESS; | |
| 4174 scsi_vhci_priv_t *svp; | |
| 4175 scsi_vhci_lun_t *vlun; | |
| 4176 int held; | |
| 4177 int op = (flags & 0xf00) >> 8; | |
| 4178 struct scsi_vhci *vhci; | |
| 4179 | |
| 4180 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(vdip)); | |
| 4181 | |
| 4182 if (flags & MDI_EXT_STATE_CHANGE) { | |
| 4183 /* | |
| 4184 * We do not want to issue any commands down the path in case | |
| 4185 * sync flag is set. Lower layers might not be ready to accept | |
| 4186 * any I/O commands. | |
| 4187 */ | |
| 4188 if (op == DRIVER_DISABLE) | |
| 4189 return (MDI_SUCCESS); | |
| 4190 | |
| 4191 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 4192 if (svp == NULL) { | |
| 4193 return (MDI_FAILURE); | |
| 4194 } | |
| 4195 vlun = svp->svp_svl; | |
| 4196 | |
| 4197 if (flags & MDI_BEFORE_STATE_CHANGE) { | |
| 4198 /* | |
| 4199 * Hold the LUN. | |
| 4200 */ | |
| 4201 VHCI_HOLD_LUN(vlun, VH_SLEEP, held); | |
| 4202 if (flags & MDI_DISABLE_OP) { | |
| 4203 /* | |
| 4204 * Issue scsi reset if it happens to be | |
| 4205 * reserved path. | |
| 4206 */ | |
| 4207 if (vlun->svl_flags & VLUN_RESERVE_ACTIVE_FLG) { | |
| 4208 /* | |
| 4209 * if reservation pending on | |
| 4210 * this path, dont' mark the | |
| 4211 * path busy | |
| 4212 */ | |
| 4213 if (op == DRIVER_DISABLE_TRANSIENT) { | |
| 4214 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 4215 "!vhci_pathinfo" | |
| 4216 "_state_change (pip:%p): " | |
| 4217 " reservation: fail busy\n", | |
| 4218 (void *)pip)); | |
| 4219 return (MDI_FAILURE); | |
| 4220 } | |
| 4221 if (pip == vlun->svl_resrv_pip) { | |
| 4222 if (vhci_recovery_reset( | |
| 4223 svp->svp_svl, | |
| 4224 &svp->svp_psd->sd_address, | |
| 4225 TRUE, | |
| 4226 VHCI_DEPTH_TARGET) == 0) { | |
| 4227 VHCI_DEBUG(1, | |
| 4228 (CE_NOTE, NULL, | |
| 4229 "!vhci_pathinfo" | |
| 4230 "_state_change " | |
| 4231 " (pip:%p): " | |
| 4232 "reset failed, " | |
| 4233 "give up!\n", | |
| 4234 (void *)pip)); | |
| 4235 } | |
| 4236 vlun->svl_flags &= | |
| 4237 ~VLUN_RESERVE_ACTIVE_FLG; | |
| 4238 } | |
| 4239 } | |
| 4240 } else if (flags & MDI_ENABLE_OP) { | |
| 4241 if (((vhci->vhci_conf_flags & | |
| 4242 VHCI_CONF_FLAGS_AUTO_FAILBACK) == | |
| 4243 VHCI_CONF_FLAGS_AUTO_FAILBACK) && | |
| 4244 MDI_PI_IS_USER_DISABLE(pip) && | |
| 4245 MDI_PI_IS_STANDBY(pip)) { | |
| 4246 struct scsi_failover_ops *fo; | |
| 4247 char *best_pclass, *pclass = NULL; | |
| 4248 int best_class, rv; | |
| 4249 /* | |
| 4250 * Failback if enabling a standby path | |
| 4251 * and it is the primary class or | |
| 4252 * preferred class | |
| 4253 */ | |
| 4254 best_class = mdi_pi_get_preferred(pip); | |
| 4255 if (best_class == 0) { | |
| 4256 /* | |
| 4257 * if not preferred - compare | |
| 4258 * path-class with class | |
| 4259 */ | |
| 4260 fo = vlun->svl_fops; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
4261 (void) fo->sfo_pathclass_next( |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
4262 NULL, &best_pclass, |
| 4851 | 4263 vlun->svl_fops_ctpriv); |
| 4264 pclass = NULL; | |
| 4265 rv = mdi_prop_lookup_string(pip, | |
| 4266 "path-class", &pclass); | |
| 4267 if (rv != MDI_SUCCESS || | |
| 4268 pclass == NULL) { | |
| 4269 vhci_log(CE_NOTE, vdip, | |
| 4270 "!path-class " | |
| 4271 " lookup " | |
| 4272 "failed. rv: %d" | |
| 4273 "class: %p", rv, | |
| 4274 (void *)pclass); | |
| 4275 } else if (strncmp(pclass, | |
| 4276 best_pclass, | |
| 4277 strlen(best_pclass)) == 0) { | |
| 4278 best_class = 1; | |
| 4279 } | |
| 4280 if (rv == MDI_SUCCESS && | |
| 4281 pclass != NULL) { | |
| 4282 rv = mdi_prop_free( | |
| 4283 pclass); | |
| 4284 if (rv != | |
| 4285 DDI_PROP_SUCCESS) { | |
| 4286 vhci_log( | |
| 4287 CE_NOTE, | |
| 4288 vdip, | |
| 4289 "!path-" | |
| 4290 "class" | |
| 4291 " free" | |
| 4292 " failed" | |
| 4293 " rv: %d" | |
| 4294 " class: " | |
| 4295 "%p", | |
| 4296 rv, | |
| 4297 (void *) | |
| 4298 pclass); | |
| 4299 } | |
| 4300 } | |
| 4301 } | |
| 4302 if (best_class == 1) { | |
| 4303 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 4304 "preferred path: %p " | |
| 4305 "USER_DISABLE->USER_ENABLE " | |
| 4306 "transition for lun %s\n", | |
| 4307 (void *)pip, | |
| 4308 vlun->svl_lun_wwn)); | |
| 4309 (void) taskq_dispatch( | |
| 4310 vhci->vhci_taskq, | |
| 4311 vhci_initiate_auto_failback, | |
| 4312 (void *) vlun, KM_SLEEP); | |
| 4313 } | |
| 4314 } | |
| 4315 /* | |
| 4316 * if PGR is active, revalidate key and | |
| 4317 * register on this path also, if key is | |
| 4318 * still valid | |
| 4319 */ | |
| 4320 sema_p(&vlun->svl_pgr_sema); | |
| 4321 if (vlun->svl_pgr_active) | |
| 4322 (void) | |
| 4323 vhci_pgr_validate_and_register(svp); | |
| 4324 sema_v(&vlun->svl_pgr_sema); | |
| 4325 /* | |
| 4326 * Inform target driver about any | |
| 4327 * reservations to be reinstated if target | |
| 4328 * has dropped reservation during the busy | |
| 4329 * period. | |
| 4330 */ | |
| 4331 mutex_enter(&vhci->vhci_mutex); | |
| 4332 scsi_hba_reset_notify_callback( | |
| 4333 &vhci->vhci_mutex, | |
| 4334 &vhci->vhci_reset_notify_listf); | |
| 4335 mutex_exit(&vhci->vhci_mutex); | |
| 4336 } | |
| 4337 } | |
| 4338 if (flags & MDI_AFTER_STATE_CHANGE) { | |
| 4339 if (flags & MDI_ENABLE_OP) { | |
| 4340 mutex_enter(&vhci_global_mutex); | |
| 4341 cv_broadcast(&vhci_cv); | |
| 4342 mutex_exit(&vhci_global_mutex); | |
| 4343 } | |
| 4344 if (vlun->svl_setcap_done) { | |
| 4345 (void) vhci_pHCI_cap(&svp->svp_psd->sd_address, | |
| 4346 "sector-size", vlun->svl_sector_size, | |
| 4347 1, pip); | |
| 4348 } | |
| 4349 | |
| 4350 /* | |
| 4351 * Release the LUN | |
| 4352 */ | |
| 4353 VHCI_RELEASE_LUN(vlun); | |
| 4354 | |
| 4355 /* | |
| 4356 * Path transition is complete. | |
| 4357 * Run callback to indicate target driver to | |
| 4358 * retry to prevent IO starvation. | |
| 4359 */ | |
| 4360 if (scsi_callback_id != 0) { | |
| 4361 ddi_run_callback(&scsi_callback_id); | |
| 4362 } | |
| 4363 } | |
| 4364 } else { | |
| 4365 switch (state) { | |
| 4366 case MDI_PATHINFO_STATE_ONLINE: | |
| 4367 rval = vhci_pathinfo_online(vdip, pip, flags); | |
| 4368 break; | |
| 4369 | |
| 4370 case MDI_PATHINFO_STATE_OFFLINE: | |
| 4371 rval = vhci_pathinfo_offline(vdip, pip, flags); | |
| 4372 break; | |
| 4373 | |
| 4374 default: | |
| 4375 break; | |
| 4376 } | |
| 4377 /* | |
| 4378 * Path transition is complete. | |
| 4379 * Run callback to indicate target driver to | |
| 4380 * retry to prevent IO starvation. | |
| 4381 */ | |
| 4382 if ((rval == MDI_SUCCESS) && (scsi_callback_id != 0)) { | |
| 4383 ddi_run_callback(&scsi_callback_id); | |
| 4384 } | |
| 4385 return (rval); | |
| 4386 } | |
| 4387 | |
| 4388 return (MDI_SUCCESS); | |
| 4389 } | |
| 4390 | |
| 4391 /* | |
| 4392 * Parse the mpxio load balancing options. The datanameptr | |
| 4393 * will point to a string containing the load-balance-options value. | |
| 4394 * The load-balance-options value will be a property that | |
| 4395 * defines the load-balance algorithm and any arguments to that | |
| 4396 * algorithm. | |
| 4397 * For example: | |
| 4398 * device-type-mpxio-options-list= | |
| 4399 * "device-type=SUN SENA", "load-balance-options=logical-block-options" | |
| 4400 * "device-type=SUN SE6920", "round-robin-options"; | |
| 4401 * logical-block-options="load-balance=logical-block", "region-size=15"; | |
| 4402 * round-robin-options="load-balance=round-robin"; | |
| 4403 * | |
| 4404 * If the load-balance is not defined the load balance algorithm will | |
| 4405 * default to the global setting. There will be default values assigned | |
| 4406 * to the arguments (region-size=18) and if an argument is one | |
| 4407 * that is not known, it will be ignored. | |
| 4408 */ | |
| 4409 static void | |
| 4410 vhci_parse_mpxio_lb_options(dev_info_t *dip, dev_info_t *cdip, | |
| 4411 caddr_t datanameptr) | |
| 4412 { | |
| 4413 char *dataptr, *next_entry; | |
| 4414 caddr_t config_list = NULL; | |
| 4415 int config_list_len = 0, list_len = 0; | |
| 4416 int region_size = -1; | |
| 4417 client_lb_t load_balance; | |
| 4418 | |
| 4419 if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, datanameptr, | |
| 4420 (caddr_t)&config_list, &config_list_len) != DDI_PROP_SUCCESS) { | |
| 4421 return; | |
| 4422 } | |
| 4423 | |
| 4424 list_len = config_list_len; | |
| 4425 next_entry = config_list; | |
| 4426 while (config_list_len > 0) { | |
| 4427 dataptr = next_entry; | |
| 4428 | |
| 4429 if (strncmp(mdi_load_balance, dataptr, | |
| 4430 strlen(mdi_load_balance)) == 0) { | |
| 4431 /* get the load-balance scheme */ | |
| 4432 dataptr += strlen(mdi_load_balance) + 1; | |
| 4433 if (strcmp(dataptr, LOAD_BALANCE_PROP_RR) == 0) { | |
| 4434 (void) mdi_set_lb_policy(cdip, LOAD_BALANCE_RR); | |
| 4435 load_balance = LOAD_BALANCE_RR; | |
| 4436 } else if (strcmp(dataptr, | |
| 4437 LOAD_BALANCE_PROP_LBA) == 0) { | |
| 4438 (void) mdi_set_lb_policy(cdip, | |
| 4439 LOAD_BALANCE_LBA); | |
| 4440 load_balance = LOAD_BALANCE_LBA; | |
| 4441 } else if (strcmp(dataptr, | |
| 4442 LOAD_BALANCE_PROP_NONE) == 0) { | |
| 4443 (void) mdi_set_lb_policy(cdip, | |
| 4444 LOAD_BALANCE_NONE); | |
| 4445 load_balance = LOAD_BALANCE_NONE; | |
| 4446 } | |
| 4447 } else if (strncmp(dataptr, LOGICAL_BLOCK_REGION_SIZE, | |
| 4448 strlen(LOGICAL_BLOCK_REGION_SIZE)) == 0) { | |
| 4449 int i = 0; | |
| 4450 char *ptr; | |
| 4451 char *tmp; | |
| 4452 | |
| 4453 tmp = dataptr + (strlen(LOGICAL_BLOCK_REGION_SIZE) + 1); | |
| 4454 /* check for numeric value */ | |
| 4455 for (ptr = tmp; i < strlen(tmp); i++, ptr++) { | |
| 4456 if (!isdigit(*ptr)) { | |
| 4457 cmn_err(CE_WARN, | |
| 4458 "Illegal region size: %s." | |
| 4459 " Setting to default value: %d", | |
| 4460 tmp, | |
| 4461 LOAD_BALANCE_DEFAULT_REGION_SIZE); | |
| 4462 region_size = | |
| 4463 LOAD_BALANCE_DEFAULT_REGION_SIZE; | |
| 4464 break; | |
| 4465 } | |
| 4466 } | |
| 4467 if (i >= strlen(tmp)) { | |
| 4468 region_size = stoi(&tmp); | |
| 4469 } | |
| 4470 (void) mdi_set_lb_region_size(cdip, region_size); | |
| 4471 } | |
| 4472 config_list_len -= (strlen(next_entry) + 1); | |
| 4473 next_entry += strlen(next_entry) + 1; | |
| 4474 } | |
| 4475 #ifdef DEBUG | |
| 4476 if ((region_size >= 0) && (load_balance != LOAD_BALANCE_LBA)) { | |
| 4477 VHCI_DEBUG(1, (CE_NOTE, dip, | |
| 4478 "!vhci_parse_mpxio_lb_options: region-size: %d" | |
| 4479 "only valid for load-balance=logical-block\n", | |
| 4480 region_size)); | |
| 4481 } | |
| 4482 #endif | |
| 4483 if ((region_size == -1) && (load_balance == LOAD_BALANCE_LBA)) { | |
| 4484 VHCI_DEBUG(1, (CE_NOTE, dip, | |
| 4485 "!vhci_parse_mpxio_lb_options: No region-size" | |
| 4486 " defined load-balance=logical-block." | |
| 4487 " Default to: %d\n", LOAD_BALANCE_DEFAULT_REGION_SIZE)); | |
| 4488 (void) mdi_set_lb_region_size(cdip, | |
| 4489 LOAD_BALANCE_DEFAULT_REGION_SIZE); | |
| 4490 } | |
| 4491 if (list_len > 0) { | |
| 4492 kmem_free(config_list, list_len); | |
| 4493 } | |
| 4494 } | |
| 4495 | |
| 4496 /* | |
| 4497 * Parse the device-type-mpxio-options-list looking for the key of | |
| 4498 * "load-balance-options". If found, parse the load balancing options. | |
| 4499 * Check the comment of the vhci_get_device_type_mpxio_options() | |
| 4500 * for the device-type-mpxio-options-list. | |
| 4501 */ | |
| 4502 static void | |
| 4503 vhci_parse_mpxio_options(dev_info_t *dip, dev_info_t *cdip, | |
| 4504 caddr_t datanameptr, int list_len) | |
| 4505 { | |
| 4506 char *dataptr; | |
| 4507 int len; | |
| 4508 | |
| 4509 /* | |
| 4510 * get the data list | |
| 4511 */ | |
| 4512 dataptr = datanameptr; | |
| 4513 len = 0; | |
| 4514 while (len < list_len && | |
| 4515 strncmp(dataptr, DEVICE_TYPE_STR, strlen(DEVICE_TYPE_STR)) | |
| 4516 != 0) { | |
| 4517 if (strncmp(dataptr, LOAD_BALANCE_OPTIONS, | |
| 4518 strlen(LOAD_BALANCE_OPTIONS)) == 0) { | |
| 4519 len += strlen(LOAD_BALANCE_OPTIONS) + 1; | |
| 4520 dataptr += strlen(LOAD_BALANCE_OPTIONS) + 1; | |
| 4521 vhci_parse_mpxio_lb_options(dip, cdip, dataptr); | |
| 4522 } | |
| 4523 len += strlen(dataptr) + 1; | |
| 4524 dataptr += strlen(dataptr) + 1; | |
| 4525 } | |
| 4526 } | |
| 4527 | |
| 4528 /* | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4529 * Check the inquriy string returned from the device with the device-type |
| 4851 | 4530 * Check for the existence of the device-type-mpxio-options-list and |
| 4531 * if found parse the list checking for a match with the device-type | |
| 4532 * value and the inquiry string returned from the device. If a match | |
| 4533 * is found, parse the mpxio options list. The format of the | |
| 4534 * device-type-mpxio-options-list is: | |
| 4535 * device-type-mpxio-options-list= | |
| 4536 * "device-type=SUN SENA", "load-balance-options=logical-block-options" | |
| 4537 * "device-type=SUN SE6920", "round-robin-options"; | |
| 4538 * logical-block-options="load-balance=logical-block", "region-size=15"; | |
| 4539 * round-robin-options="load-balance=round-robin"; | |
| 4540 */ | |
| 4541 void | |
| 4542 vhci_get_device_type_mpxio_options(dev_info_t *dip, dev_info_t *cdip, | |
| 4543 struct scsi_device *devp) | |
| 4544 { | |
| 4545 | |
| 4546 caddr_t config_list = NULL; | |
| 4547 caddr_t vidptr, datanameptr; | |
| 4548 int vidlen, dupletlen = 0; | |
| 4549 int config_list_len = 0, len; | |
| 4550 struct scsi_inquiry *inq = devp->sd_inq; | |
| 4551 | |
| 4552 /* | |
| 4553 * look up the device-type-mpxio-options-list and walk thru | |
| 4554 * the list compare the vendor ids of the earlier inquiry command and | |
| 4555 * with those vids in the list if there is a match, lookup | |
| 4556 * the mpxio-options value | |
| 4557 */ | |
| 4558 if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, | |
| 4559 MPXIO_OPTIONS_LIST, | |
| 4560 (caddr_t)&config_list, &config_list_len) == DDI_PROP_SUCCESS) { | |
| 4561 | |
| 4562 /* | |
| 4563 * Compare vids in each duplet - if it matches, | |
| 4564 * parse the mpxio options list. | |
| 4565 */ | |
| 4566 for (len = config_list_len, vidptr = config_list; len > 0; | |
| 4567 len -= dupletlen) { | |
| 4568 | |
| 4569 dupletlen = 0; | |
| 4570 | |
| 4571 if (strlen(vidptr) != 0 && | |
| 4572 strncmp(vidptr, DEVICE_TYPE_STR, | |
| 4573 strlen(DEVICE_TYPE_STR)) == 0) { | |
| 4574 /* point to next duplet */ | |
| 4575 datanameptr = vidptr + strlen(vidptr) + 1; | |
| 4576 /* add len of this duplet */ | |
| 4577 dupletlen += strlen(vidptr) + 1; | |
| 4578 /* get to device type */ | |
| 4579 vidptr += strlen(DEVICE_TYPE_STR) + 1; | |
| 4580 vidlen = strlen(vidptr); | |
| 4581 if ((vidlen != 0) && | |
| 4582 bcmp(inq->inq_vid, vidptr, vidlen) == 0) { | |
| 4583 vhci_parse_mpxio_options(dip, cdip, | |
| 4584 datanameptr, len - dupletlen); | |
| 4585 break; | |
| 4586 } | |
| 4587 /* get to next duplet */ | |
| 4588 vidptr += strlen(vidptr) + 1; | |
| 4589 } | |
| 4590 /* get to the next device-type */ | |
| 4591 while (len - dupletlen > 0 && | |
| 4592 strlen(vidptr) != 0 && | |
| 4593 strncmp(vidptr, DEVICE_TYPE_STR, | |
| 4594 strlen(DEVICE_TYPE_STR)) != 0) { | |
| 4595 dupletlen += strlen(vidptr) + 1; | |
| 4596 vidptr += strlen(vidptr) + 1; | |
| 4597 } | |
| 4598 } | |
| 4599 if (config_list_len > 0) { | |
| 4600 kmem_free(config_list, config_list_len); | |
| 4601 } | |
| 4602 } | |
| 4603 } | |
| 4604 | |
| 4605 static int | |
| 4606 vhci_update_pathinfo(struct scsi_device *psd, mdi_pathinfo_t *pip, | |
| 4607 struct scsi_failover_ops *fo, | |
| 4608 scsi_vhci_lun_t *vlun, | |
| 4609 struct scsi_vhci *vhci) | |
| 4610 { | |
| 4611 struct scsi_path_opinfo opinfo; | |
| 4612 char *pclass, *best_pclass; | |
| 4613 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
4614 if (fo->sfo_path_get_opinfo(psd, &opinfo, vlun->svl_fops_ctpriv) != 0) { |
| 4851 | 4615 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_update_pathinfo: " |
| 4616 "Failed to get operation info for path:%p\n", (void *)pip)); | |
| 4617 return (MDI_FAILURE); | |
| 4618 } | |
| 4619 /* set the xlf capable flag in the vlun for future use */ | |
| 4620 vlun->svl_xlf_capable = opinfo.opinfo_xlf_capable; | |
| 4621 (void) mdi_prop_update_string(pip, "path-class", | |
| 4622 opinfo.opinfo_path_attr); | |
| 4623 | |
| 4624 pclass = opinfo.opinfo_path_attr; | |
| 4625 if (opinfo.opinfo_path_state == SCSI_PATH_ACTIVE) { | |
| 4626 mutex_enter(&vlun->svl_mutex); | |
| 4627 if (vlun->svl_active_pclass != NULL) { | |
| 4628 if (strcmp(vlun->svl_active_pclass, pclass) != 0) { | |
| 4629 mutex_exit(&vlun->svl_mutex); | |
| 4630 /* | |
| 4631 * Externally initiated failover has happened; | |
| 4632 * force the path state to be STANDBY/ONLINE, | |
| 4633 * next IO will trigger failover and thus | |
| 4634 * sync-up the pathstates. Reason we don't | |
| 4635 * sync-up immediately by invoking | |
| 4636 * vhci_update_pathstates() is because it | |
| 4637 * needs a VHCI_HOLD_LUN() and we don't | |
| 4638 * want to block here. | |
| 4639 * | |
| 4640 * Further, if the device is an ALUA device, | |
| 4641 * then failure to exactly match 'pclass' and | |
| 4642 * 'svl_active_pclass'(as is the case here) | |
| 4643 * indicates that the currently active path | |
| 4644 * is a 'non-optimized' path - which means | |
| 4645 * that 'svl_active_pclass' needs to be | |
| 4646 * replaced with opinfo.opinfo_path_state | |
| 4647 * value. | |
| 4648 */ | |
| 4649 | |
| 4650 if (SCSI_FAILOVER_IS_TPGS(vlun->svl_fops)) { | |
| 4651 char *tptr; | |
| 4652 | |
| 4653 /* | |
| 4654 * The device is ALUA compliant. The | |
| 4655 * state need to be changed to online | |
| 4656 * rather than standby state which is | |
| 4657 * done typically for a asymmetric | |
| 4658 * device that is non ALUA compliant. | |
| 4659 */ | |
| 4660 mdi_pi_set_state(pip, | |
| 4661 MDI_PATHINFO_STATE_ONLINE); | |
| 4662 tptr = kmem_alloc(strlen | |
| 4663 (opinfo.opinfo_path_attr)+1, | |
| 4664 KM_SLEEP); | |
| 4665 (void) strlcpy(tptr, | |
| 4666 opinfo.opinfo_path_attr, | |
| 4667 (strlen(opinfo.opinfo_path_attr) | |
| 4668 +1)); | |
| 4669 mutex_enter(&vlun->svl_mutex); | |
| 4670 kmem_free(vlun->svl_active_pclass, | |
| 4671 strlen(vlun->svl_active_pclass)+1); | |
| 4672 vlun->svl_active_pclass = tptr; | |
| 4673 mutex_exit(&vlun->svl_mutex); | |
| 4674 } else { | |
| 4675 /* | |
| 4676 * Non ALUA device case. | |
| 4677 */ | |
| 4678 mdi_pi_set_state(pip, | |
| 4679 MDI_PATHINFO_STATE_STANDBY); | |
| 4680 } | |
| 4681 vlun->svl_fo_support = opinfo.opinfo_mode; | |
| 4682 mdi_pi_set_preferred(pip, | |
| 4683 opinfo.opinfo_preferred); | |
| 4684 return (MDI_SUCCESS); | |
| 4685 } | |
| 4686 } else { | |
| 4687 char *tptr; | |
| 4688 | |
| 4689 /* | |
| 4690 * lets release the mutex before we try to | |
| 4691 * allocate since the potential to sleep is | |
| 4692 * possible. | |
| 4693 */ | |
| 4694 mutex_exit(&vlun->svl_mutex); | |
| 4695 tptr = kmem_alloc(strlen(pclass)+1, KM_SLEEP); | |
| 4696 (void) strlcpy(tptr, pclass, (strlen(pclass)+1)); | |
| 4697 mutex_enter(&vlun->svl_mutex); | |
| 4698 vlun->svl_active_pclass = tptr; | |
| 4699 } | |
| 4700 mutex_exit(&vlun->svl_mutex); | |
| 4701 mdi_pi_set_state(pip, MDI_PATHINFO_STATE_ONLINE); | |
| 4702 vlun->svl_waiting_for_activepath = 0; | |
| 4703 } else if (opinfo.opinfo_path_state == SCSI_PATH_ACTIVE_NONOPT) { | |
| 4704 mutex_enter(&vlun->svl_mutex); | |
| 4705 if (vlun->svl_active_pclass == NULL) { | |
| 4706 char *tptr; | |
| 4707 | |
| 4708 mutex_exit(&vlun->svl_mutex); | |
| 4709 tptr = kmem_alloc(strlen(pclass)+1, KM_SLEEP); | |
| 4710 (void) strlcpy(tptr, pclass, (strlen(pclass)+1)); | |
| 4711 mutex_enter(&vlun->svl_mutex); | |
| 4712 vlun->svl_active_pclass = tptr; | |
| 4713 } | |
| 4714 mutex_exit(&vlun->svl_mutex); | |
| 4715 mdi_pi_set_state(pip, MDI_PATHINFO_STATE_ONLINE); | |
| 4716 vlun->svl_waiting_for_activepath = 0; | |
| 4717 } else if (opinfo.opinfo_path_state == SCSI_PATH_INACTIVE) { | |
| 4718 mutex_enter(&vlun->svl_mutex); | |
| 4719 if (vlun->svl_active_pclass != NULL) { | |
| 4720 if (strcmp(vlun->svl_active_pclass, pclass) == 0) { | |
| 4721 mutex_exit(&vlun->svl_mutex); | |
| 4722 /* | |
| 4723 * externally initiated failover has happened; | |
| 4724 * force state to ONLINE (see comment above) | |
| 4725 */ | |
| 4726 mdi_pi_set_state(pip, | |
| 4727 MDI_PATHINFO_STATE_ONLINE); | |
| 4728 vlun->svl_fo_support = opinfo.opinfo_mode; | |
| 4729 mdi_pi_set_preferred(pip, | |
| 4730 opinfo.opinfo_preferred); | |
| 4731 return (MDI_SUCCESS); | |
| 4732 } | |
| 4733 } | |
| 4734 mutex_exit(&vlun->svl_mutex); | |
| 4735 mdi_pi_set_state(pip, MDI_PATHINFO_STATE_STANDBY); | |
| 4736 | |
| 4737 /* | |
| 4738 * Initiate auto-failback, if enabled, for path if path-state | |
| 4739 * is transitioning from OFFLINE->STANDBY and pathclass is the | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4740 * preferred pathclass for this storage. |
| 4851 | 4741 * NOTE: In case where opinfo_path_state is SCSI_PATH_ACTIVE |
| 4742 * (above), where the pi state is set to STANDBY, we don't | |
| 4743 * initiate auto-failback as the next IO shall take care of. | |
| 4744 * this. See comment above. | |
| 4745 */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
4746 (void) fo->sfo_pathclass_next(NULL, &best_pclass, |
| 4851 | 4747 vlun->svl_fops_ctpriv); |
| 4748 if (((vhci->vhci_conf_flags & VHCI_CONF_FLAGS_AUTO_FAILBACK) == | |
| 4749 VHCI_CONF_FLAGS_AUTO_FAILBACK) && | |
|
9667
dde823a17c3c
6661528 With mpt patch 125081-14 installed, a server reboot cause error messages and volume failover on 6540
Chris Liu <Chris.Liu@Sun.COM>
parents:
9304
diff
changeset
|
4750 (strcmp(pclass, best_pclass) == 0) && |
| 4851 | 4751 ((MDI_PI_OLD_STATE(pip) == MDI_PATHINFO_STATE_OFFLINE)|| |
| 4752 (MDI_PI_OLD_STATE(pip) == MDI_PATHINFO_STATE_INIT))) { | |
| 4753 VHCI_DEBUG(1, (CE_NOTE, NULL, "%s pathclass path: %p" | |
| 4754 " OFFLINE->STANDBY transition for lun %s\n", | |
| 4755 best_pclass, (void *)pip, vlun->svl_lun_wwn)); | |
| 4756 (void) taskq_dispatch(vhci->vhci_taskq, | |
| 4757 vhci_initiate_auto_failback, (void *) vlun, | |
| 4758 KM_SLEEP); | |
| 4759 } | |
| 4760 } | |
| 4761 vlun->svl_fo_support = opinfo.opinfo_mode; | |
| 4762 mdi_pi_set_preferred(pip, opinfo.opinfo_preferred); | |
| 4763 | |
| 4764 VHCI_DEBUG(8, (CE_NOTE, NULL, "vhci_update_pathinfo: opinfo_rev = %x," | |
| 4765 " opinfo_path_state = %x opinfo_preferred = %x, opinfo_mode = %x\n", | |
| 4766 opinfo.opinfo_rev, opinfo.opinfo_path_state, | |
| 4767 opinfo.opinfo_preferred, opinfo.opinfo_mode)); | |
| 4768 | |
| 4769 return (MDI_SUCCESS); | |
| 4770 } | |
| 4771 | |
| 4772 /* | |
| 4773 * Form the kstat name and and call mdi_pi_kstat_create() | |
| 4774 */ | |
| 4775 void | |
| 4776 vhci_kstat_create_pathinfo(mdi_pathinfo_t *pip) | |
| 4777 { | |
| 4778 dev_info_t *tgt_dip; | |
| 4779 dev_info_t *pdip; | |
| 4780 char *guid; | |
| 4781 char *target_port, *target_port_dup; | |
| 4782 char ks_name[KSTAT_STRLEN]; | |
| 4783 uint_t pid; | |
| 4784 int by_id; | |
| 4785 mod_hash_val_t hv; | |
| 4786 | |
| 4787 | |
| 4788 /* return if we have already allocated kstats */ | |
| 4789 if (mdi_pi_kstat_exists(pip)) | |
| 4790 return; | |
| 4791 | |
| 4792 /* | |
| 4793 * We need instance numbers to create a kstat name, return if we don't | |
| 4794 * have instance numbers assigned yet. | |
| 4795 */ | |
| 4796 tgt_dip = mdi_pi_get_client(pip); | |
| 4797 pdip = mdi_pi_get_phci(pip); | |
| 4798 if ((ddi_get_instance(tgt_dip) == -1) || (ddi_get_instance(pdip) == -1)) | |
| 4799 return; | |
| 4800 | |
| 4801 /* | |
| 4802 * A path oriented kstat has a ks_name of the form: | |
| 4803 * | |
| 4804 * <client-driver><instance>.t<pid>.<pHCI-driver><instance> | |
| 4805 * | |
| 4806 * We maintain a bidirectional 'target-port' to <pid> map, | |
| 4807 * called targetmap. All pathinfo nodes with the same | |
| 4808 * 'target-port' map to the same <pid>. The iostat(1M) code, | |
| 4809 * when parsing a path oriented kstat name, uses the <pid> as | |
| 4810 * a SCSI_VHCI_GET_TARGET_LONGNAME ioctl argument in order | |
| 4811 * to get the 'target-port'. For KSTAT_FLAG_PERSISTENT kstats, | |
| 4812 * this ioctl needs to translate a <pid> to a 'target-port' | |
| 4813 * even after all pathinfo nodes associated with the | |
| 4814 * 'target-port' have been destroyed. This is needed to support | |
| 4815 * consistent first-iteration activity-since-boot iostat(1M) | |
| 4816 * output. Because of this requirement, the mapping can't be | |
| 4817 * based on pathinfo information in a devinfo snapshot. | |
| 4818 */ | |
| 4819 | |
| 4820 /* determine 'target-port' */ | |
| 4821 if (mdi_prop_lookup_string(pip, | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4822 SCSI_ADDR_PROP_TARGET_PORT, &target_port) == MDI_SUCCESS) { |
| 4851 | 4823 target_port_dup = i_ddi_strdup(target_port, KM_SLEEP); |
| 4824 (void) mdi_prop_free(target_port); | |
| 4825 by_id = 1; | |
| 4826 } else { | |
| 4827 /* | |
| 4828 * If the pHCI did not set up 'target-port' on this | |
| 4829 * pathinfo node, assume that our client is the only | |
| 4830 * one with paths to the device by using the guid | |
| 4831 * value as the 'target-port'. Since no other client | |
| 4832 * will have the same guid, no other client will use | |
| 4833 * the same <pid>. NOTE: a client with an instance | |
| 4834 * number always has a guid. | |
| 4835 */ | |
| 4836 (void) ddi_prop_lookup_string(DDI_DEV_T_ANY, tgt_dip, | |
| 4837 PROPFLAGS, MDI_CLIENT_GUID_PROP, &guid); | |
| 4838 target_port_dup = i_ddi_strdup(guid, KM_SLEEP); | |
| 4839 ddi_prop_free(guid); | |
| 4840 | |
| 4841 /* | |
| 4842 * For this type of mapping we don't want the | |
| 4843 * <id> -> 'target-port' mapping to be made. This | |
| 4844 * will cause the SCSI_VHCI_GET_TARGET_LONGNAME ioctl | |
| 4845 * to fail, and the iostat(1M) long '-n' output will | |
| 4846 * still use the <pid>. We do this because we just | |
| 4847 * made up the 'target-port' using the guid, and we | |
| 4848 * don't want to expose that fact in iostat output. | |
| 4849 */ | |
| 4850 by_id = 0; | |
| 4851 } | |
| 4852 | |
| 4853 /* find/establish <pid> given 'target-port' */ | |
| 4854 mutex_enter(&vhci_targetmap_mutex); | |
| 4855 if (mod_hash_find(vhci_targetmap_byport, | |
| 4856 (mod_hash_key_t)target_port_dup, &hv) == 0) { | |
| 4857 pid = (int)(intptr_t)hv; /* mapping exists */ | |
| 4858 } else { | |
| 4859 pid = vhci_targetmap_pid++; /* new mapping */ | |
| 4860 | |
| 4861 (void) mod_hash_insert(vhci_targetmap_byport, | |
| 4862 (mod_hash_key_t)target_port_dup, | |
| 4863 (mod_hash_val_t)(intptr_t)pid); | |
| 4864 if (by_id) { | |
| 4865 (void) mod_hash_insert(vhci_targetmap_bypid, | |
| 4866 (mod_hash_key_t)(uintptr_t)pid, | |
| 4867 (mod_hash_val_t)(uintptr_t)target_port_dup); | |
| 4868 } | |
| 4869 target_port_dup = NULL; /* owned by hash */ | |
| 4870 } | |
| 4871 mutex_exit(&vhci_targetmap_mutex); | |
| 4872 | |
| 4873 /* form kstat name */ | |
| 4874 (void) snprintf(ks_name, KSTAT_STRLEN, "%s%d.t%d.%s%d", | |
| 4875 ddi_driver_name(tgt_dip), ddi_get_instance(tgt_dip), | |
| 4876 pid, ddi_driver_name(pdip), ddi_get_instance(pdip)); | |
| 4877 | |
| 4878 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_path_online: path:%p " | |
| 4879 "kstat %s: pid %x <-> port %s\n", (void *)pip, | |
| 4880 ks_name, pid, target_port_dup)); | |
| 4881 if (target_port_dup) | |
| 4882 kmem_free(target_port_dup, strlen(target_port_dup) + 1); | |
| 4883 | |
| 4884 /* call mdi to create kstats with the name we built */ | |
| 4885 (void) mdi_pi_kstat_create(pip, ks_name); | |
| 4886 } | |
| 4887 | |
| 4888 /* ARGSUSED */ | |
| 4889 static int | |
| 4890 vhci_pathinfo_online(dev_info_t *vdip, mdi_pathinfo_t *pip, int flags) | |
| 4891 { | |
| 4892 scsi_hba_tran_t *hba = NULL; | |
| 4893 struct scsi_device *psd = NULL; | |
| 4894 scsi_vhci_lun_t *vlun = NULL; | |
| 4895 dev_info_t *pdip = NULL; | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4896 dev_info_t *cdip; |
| 4851 | 4897 dev_info_t *tgt_dip; |
| 4898 struct scsi_vhci *vhci; | |
| 4899 char *guid; | |
| 4900 struct scsi_failover_ops *sfo; | |
| 4901 scsi_vhci_priv_t *svp = NULL; | |
| 4902 struct scsi_address *ap; | |
| 4903 struct scsi_pkt *pkt; | |
| 4904 int rval = MDI_FAILURE; | |
| 4905 mpapi_item_list_t *list_ptr; | |
| 4906 mpapi_lu_data_t *ld; | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4907 int ce_type; |
| 4851 | 4908 |
| 4909 ASSERT(vdip != NULL); | |
| 4910 ASSERT(pip != NULL); | |
| 4911 | |
| 4912 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(vdip)); | |
| 4913 ASSERT(vhci != NULL); | |
| 4914 | |
| 4915 pdip = mdi_pi_get_phci(pip); | |
| 4916 hba = ddi_get_driver_private(pdip); | |
| 4917 ASSERT(hba != NULL); | |
| 4918 | |
| 4919 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 4920 ASSERT(svp != NULL); | |
| 4921 | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4922 cdip = mdi_pi_get_client(pip); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4923 ASSERT(cdip != NULL); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4924 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, cdip, PROPFLAGS, |
| 4851 | 4925 MDI_CLIENT_GUID_PROP, &guid) != DDI_SUCCESS) { |
| 4926 VHCI_DEBUG(1, (CE_WARN, NULL, "vhci_path_online: lun guid " | |
| 4927 "property failed")); | |
| 4928 goto failure; | |
| 4929 } | |
| 4930 | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4931 vlun = vhci_lun_lookup(cdip); |
| 4851 | 4932 ASSERT(vlun != NULL); |
| 4933 | |
| 4934 ddi_prop_free(guid); | |
| 4935 | |
| 4936 vlun->svl_dip = mdi_pi_get_client(pip); | |
| 4937 ASSERT(vlun->svl_dip != NULL); | |
| 4938 | |
| 4939 psd = svp->svp_psd; | |
| 4940 ASSERT(psd != NULL); | |
| 4941 | |
| 4942 /* | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4943 * Get inquiry data into pathinfo related scsi_device structure. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4944 * Free sq_inq when pathinfo related scsi_device structure is destroyed |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4945 * by vhci_pathinfo_uninit(). In other words, vhci maintains its own |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4946 * copy of scsi_device and scsi_inquiry data on a per-path basis. |
| 4851 | 4947 */ |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4948 if (scsi_probe(psd, SLEEP_FUNC) != SCSIPROBE_EXISTS) { |
| 4851 | 4949 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_pathinfo_online: " |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4950 "scsi_probe failed path:%p rval:%x\n", (void *)pip, rval)); |
| 4851 | 4951 rval = MDI_FAILURE; |
| 4952 goto failure; | |
| 4953 } | |
| 4954 | |
| 4955 /* | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4956 * See if we have a failover module to support the device. |
| 4851 | 4957 * |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4958 * We re-probe to determine the failover ops for each path. This |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4959 * is done in case there are any path-specific side-effects associated |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4960 * with the sfo_device_probe implementation. |
| 4851 | 4961 * |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4962 * Give the first successfull sfo_device_probe the opportunity to |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4963 * establish 'ctpriv', vlun/client private data. The ctpriv will |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4964 * then be passed into the failover module on all other sfo_device_*() |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4965 * operations (and must be freed by sfo_device_unprobe implementation). |
| 4851 | 4966 * |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4967 * NOTE: While sfo_device_probe is done once per path, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4968 * sfo_device_unprobe only occurs once - when the vlun is destroyed. |
| 4851 | 4969 * |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4970 * NOTE: We don't currently support per-path fops private data |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4971 * mechanism. |
| 4851 | 4972 */ |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4973 sfo = vhci_dev_fo(vdip, psd, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4974 &vlun->svl_fops_ctpriv, &vlun->svl_fops_name); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4975 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4976 /* check path configuration result with current vlun state */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4977 if (((sfo && vlun->svl_fops) && (sfo != vlun->svl_fops)) || |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4978 (sfo && vlun->svl_not_supported) || |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4979 ((sfo == NULL) && vlun->svl_fops)) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4980 /* Getting different results for different paths. */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4981 VHCI_DEBUG(1, (CE_NOTE, vhci->vhci_dip, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4982 "!vhci_pathinfo_online: dev (path 0x%p) contradiction\n", |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4983 (void *)pip)); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4984 #ifdef DEBUG |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4985 ce_type = CE_PANIC; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4986 #else /* DEBUG */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4987 ce_type = CE_WARN; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4988 #endif /* DEBUG */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4989 cmn_err(ce_type, "scsi_vhci: failover contradiction: " |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4990 "'%s'.vs.'%s': path %s\n", |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4991 vlun->svl_fops ? vlun->svl_fops->sfo_name : "NULL", |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4992 sfo ? sfo->sfo_name : "NULL", mdi_pi_pathname(pip)); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4993 vlun->svl_not_supported = 1; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4994 rval = MDI_NOT_SUPPORTED; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4995 goto done; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4996 } else if (sfo == NULL) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
4997 /* No failover module - device not supported under vHCI. */ |
| 4851 | 4998 VHCI_DEBUG(1, (CE_NOTE, vhci->vhci_dip, |
| 4999 "!vhci_pathinfo_online: dev (path 0x%p) not " | |
| 5000 "supported\n", (void *)pip)); | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
5001 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
5002 /* XXX does this contradict vhci_is_dev_supported ? */ |
| 4851 | 5003 vlun->svl_not_supported = 1; |
| 5004 rval = MDI_NOT_SUPPORTED; | |
| 5005 goto done; | |
| 5006 } | |
| 5007 | |
| 5008 /* failover supported for device - save failover_ops in vlun */ | |
| 5009 vlun->svl_fops = sfo; | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
5010 ASSERT(vlun->svl_fops_name != NULL); |
| 4851 | 5011 |
| 5012 /* | |
| 5013 * Obtain the device-type based mpxio options as specified in | |
| 5014 * scsi_vhci.conf file. | |
| 5015 * | |
| 5016 * NOTE: currently, the end result is a call to | |
| 5017 * mdi_set_lb_region_size(). | |
| 5018 */ | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
5019 tgt_dip = psd->sd_dev; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
5020 ASSERT(tgt_dip != NULL); |
| 4851 | 5021 vhci_get_device_type_mpxio_options(vdip, tgt_dip, psd); |
| 5022 | |
| 5023 /* | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5024 * The device probe or options in conf file may have set/changed the |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5025 * lb policy, save the current value. |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5026 */ |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5027 vlun->svl_lb_policy_save = mdi_get_lb_policy(tgt_dip); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5028 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5029 /* |
| 4851 | 5030 * if PGR is active, revalidate key and register on this path also, |
| 5031 * if key is still valid | |
| 5032 */ | |
| 5033 sema_p(&vlun->svl_pgr_sema); | |
| 5034 if (vlun->svl_pgr_active) { | |
| 5035 rval = vhci_pgr_validate_and_register(svp); | |
| 5036 if (rval != 1) { | |
| 5037 rval = MDI_FAILURE; | |
| 5038 sema_v(&vlun->svl_pgr_sema); | |
| 5039 goto failure; | |
| 5040 } | |
| 5041 } | |
| 5042 sema_v(&vlun->svl_pgr_sema); | |
| 5043 | |
| 5044 if (svp->svp_new_path) { | |
| 5045 /* | |
| 5046 * Last chance to perform any cleanup operations on this | |
| 5047 * new path before making this path completely online. | |
| 5048 */ | |
| 5049 svp->svp_new_path = 0; | |
| 5050 | |
| 5051 /* | |
| 5052 * If scsi_vhci knows the lun is alread RESERVE'd, | |
| 5053 * then skip the issue of RELEASE on new path. | |
| 5054 */ | |
| 5055 if ((vlun->svl_flags & VLUN_RESERVE_ACTIVE_FLG) == 0) { | |
| 5056 /* | |
| 5057 * Issue SCSI-2 RELEASE only for the first time on | |
| 5058 * a new path just in case the host rebooted and | |
| 5059 * a reservation is still pending on this path. | |
| 5060 * IBM Shark storage does not clear RESERVE upon | |
| 5061 * host reboot. | |
| 5062 */ | |
| 5063 ap = &psd->sd_address; | |
| 5064 pkt = scsi_init_pkt(ap, NULL, NULL, CDB_GROUP0, | |
| 5065 sizeof (struct scsi_arq_status), 0, 0, | |
| 5066 SLEEP_FUNC, NULL); | |
| 5067 if (pkt == NULL) { | |
| 5068 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 5069 "!vhci_pathinfo_online: " | |
| 5070 "Release init_pkt failed :%p\n", | |
| 5071 (void *)pip)); | |
| 5072 rval = MDI_FAILURE; | |
| 5073 goto failure; | |
| 5074 } | |
| 5075 pkt->pkt_cdbp[0] = SCMD_RELEASE; | |
| 5076 pkt->pkt_time = 60; | |
| 5077 | |
| 5078 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 5079 "!vhci_path_online: path:%p " | |
| 5080 "Issued SCSI-2 RELEASE\n", (void *)pip)); | |
| 5081 | |
| 5082 /* Ignore the return value */ | |
| 5083 (void) vhci_do_scsi_cmd(pkt); | |
| 5084 scsi_destroy_pkt(pkt); | |
| 5085 } | |
| 5086 } | |
| 5087 | |
| 5088 rval = vhci_update_pathinfo(psd, pip, sfo, vlun, vhci); | |
| 5089 if (rval == MDI_FAILURE) { | |
| 5090 goto failure; | |
| 5091 } | |
| 5092 | |
| 5093 /* Initialize MP-API data */ | |
| 5094 vhci_update_mpapi_data(vhci, vlun, pip); | |
| 5095 | |
| 5096 /* | |
| 5097 * MP-API also needs the Inquiry data to be maintained in the | |
| 5098 * mp_vendor_prop_t structure, so find the lun and update its | |
| 5099 * structure with this data. | |
| 5100 */ | |
| 5101 list_ptr = (mpapi_item_list_t *)vhci_get_mpapi_item(vhci, NULL, | |
| 5102 MP_OBJECT_TYPE_MULTIPATH_LU, (void *)vlun); | |
| 5103 ld = (mpapi_lu_data_t *)list_ptr->item->idata; | |
| 5104 if (ld != NULL) { | |
| 5105 bcopy(psd->sd_inq->inq_vid, ld->prop.prodInfo.vendor, 8); | |
| 5106 bcopy(psd->sd_inq->inq_pid, ld->prop.prodInfo.product, 16); | |
| 5107 bcopy(psd->sd_inq->inq_revision, ld->prop.prodInfo.revision, 4); | |
| 5108 } else { | |
| 5109 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_pathinfo_online: " | |
| 5110 "mpapi_lu_data_t is NULL")); | |
| 5111 } | |
| 5112 | |
| 5113 /* create kstats for path */ | |
| 5114 vhci_kstat_create_pathinfo(pip); | |
| 5115 | |
| 5116 done: | |
| 5117 mutex_enter(&vhci_global_mutex); | |
| 5118 cv_broadcast(&vhci_cv); | |
| 5119 mutex_exit(&vhci_global_mutex); | |
| 5120 | |
| 5121 if (vlun->svl_setcap_done) { | |
| 5122 (void) vhci_pHCI_cap(ap, "sector-size", | |
| 5123 vlun->svl_sector_size, 1, pip); | |
| 5124 } | |
| 5125 | |
| 5126 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_path_online: path:%p\n", | |
| 5127 (void *)pip)); | |
| 5128 | |
| 5129 failure: | |
| 5130 return (rval); | |
| 5131 } | |
| 5132 | |
| 5133 /* | |
| 5134 * path offline handler. Release all bindings that will not be | |
| 5135 * released by the normal packet transport/completion code path. | |
| 5136 * Since we don't (presently) keep any bindings alive outside of | |
| 5137 * the in-transport packets (which will be released on completion) | |
| 5138 * there is not much to do here. | |
| 5139 */ | |
| 5140 /* ARGSUSED */ | |
| 5141 static int | |
| 5142 vhci_pathinfo_offline(dev_info_t *vdip, mdi_pathinfo_t *pip, int flags) | |
| 5143 { | |
| 5144 scsi_hba_tran_t *hba = NULL; | |
| 5145 struct scsi_device *psd = NULL; | |
| 5146 dev_info_t *pdip = NULL; | |
| 5147 dev_info_t *cdip = NULL; | |
| 5148 scsi_vhci_priv_t *svp = NULL; | |
| 5149 | |
| 5150 ASSERT(vdip != NULL); | |
| 5151 ASSERT(pip != NULL); | |
| 5152 | |
| 5153 pdip = mdi_pi_get_phci(pip); | |
| 5154 ASSERT(pdip != NULL); | |
| 5155 if (pdip == NULL) { | |
| 5156 VHCI_DEBUG(1, (CE_WARN, vdip, "Invalid path 0x%p: NULL " | |
| 5157 "phci dip", (void *)pip)); | |
| 5158 return (MDI_FAILURE); | |
| 5159 } | |
| 5160 | |
| 5161 cdip = mdi_pi_get_client(pip); | |
| 5162 ASSERT(cdip != NULL); | |
| 5163 if (cdip == NULL) { | |
| 5164 VHCI_DEBUG(1, (CE_WARN, vdip, "Invalid path 0x%p: NULL " | |
| 5165 "client dip", (void *)pip)); | |
| 5166 return (MDI_FAILURE); | |
| 5167 } | |
| 5168 | |
| 5169 hba = ddi_get_driver_private(pdip); | |
| 5170 ASSERT(hba != NULL); | |
| 5171 | |
| 5172 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 5173 if (svp == NULL) { | |
| 5174 /* | |
| 5175 * mdi_pathinfo node in INIT state can have vHCI private | |
| 5176 * information set to null | |
| 5177 */ | |
| 5178 VHCI_DEBUG(1, (CE_NOTE, vdip, "!vhci_pathinfo_offline: " | |
| 5179 "svp is NULL for pip 0x%p\n", (void *)pip)); | |
| 5180 return (MDI_SUCCESS); | |
| 5181 } | |
| 5182 | |
| 5183 psd = svp->svp_psd; | |
| 5184 ASSERT(psd != NULL); | |
| 5185 | |
| 5186 mutex_enter(&svp->svp_mutex); | |
| 5187 | |
| 5188 VHCI_DEBUG(1, (CE_NOTE, vdip, "!vhci_pathinfo_offline: " | |
| 5189 "%d cmds pending on path: 0x%p\n", svp->svp_cmds, (void *)pip)); | |
| 5190 while (svp->svp_cmds != 0) { | |
| 5191 if (cv_timedwait(&svp->svp_cv, &svp->svp_mutex, | |
| 5192 ddi_get_lbolt() + | |
| 5193 drv_usectohz(vhci_path_quiesce_timeout * 1000000)) == -1) { | |
| 5194 /* | |
| 5195 * The timeout time reached without the condition | |
| 5196 * being signaled. | |
| 5197 */ | |
| 5198 VHCI_DEBUG(1, (CE_NOTE, vdip, "!vhci_pathinfo_offline: " | |
| 5199 "Timeout reached on path 0x%p without the cond\n", | |
| 5200 (void *)pip)); | |
| 5201 VHCI_DEBUG(1, (CE_NOTE, vdip, "!vhci_pathinfo_offline: " | |
| 5202 "%d cmds still pending on path: 0x%p\n", | |
| 5203 svp->svp_cmds, (void *)pip)); | |
| 5204 break; | |
| 5205 } | |
| 5206 } | |
| 5207 mutex_exit(&svp->svp_mutex); | |
| 5208 | |
| 5209 /* | |
| 5210 * Check to see if this vlun has an active SCSI-II RESERVE. And this | |
| 5211 * is the pip for the path that has been reserved. | |
| 5212 * If so clear the reservation by sending a reset, so the host will not | |
| 5213 * get a reservation conflict. Reset the flag VLUN_RESERVE_ACTIVE_FLG | |
| 5214 * for this lun. Also a reset notify is sent to the target driver | |
| 5215 * just in case the POR check condition is cleared by some other layer | |
| 5216 * in the stack. | |
| 5217 */ | |
| 5218 if (svp->svp_svl->svl_flags & VLUN_RESERVE_ACTIVE_FLG) { | |
| 5219 if (pip == svp->svp_svl->svl_resrv_pip) { | |
| 5220 if (vhci_recovery_reset(svp->svp_svl, | |
| 5221 &svp->svp_psd->sd_address, TRUE, | |
| 5222 VHCI_DEPTH_TARGET) == 0) { | |
| 5223 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 5224 "!vhci_pathinfo_offline (pip:%p):" | |
| 5225 "reset failed, retrying\n", (void *)pip)); | |
| 5226 delay(1*drv_usectohz(1000000)); | |
| 5227 if (vhci_recovery_reset(svp->svp_svl, | |
| 5228 &svp->svp_psd->sd_address, TRUE, | |
| 5229 VHCI_DEPTH_TARGET) == 0) { | |
| 5230 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 5231 "!vhci_pathinfo_offline " | |
| 5232 "(pip:%p): reset failed, " | |
| 5233 "giving up!\n", (void *)pip)); | |
| 5234 } | |
| 5235 } | |
| 5236 svp->svp_svl->svl_flags &= ~VLUN_RESERVE_ACTIVE_FLG; | |
| 5237 } | |
| 5238 } | |
| 5239 | |
| 5240 mdi_pi_set_state(pip, MDI_PATHINFO_STATE_OFFLINE); | |
| 5241 vhci_mpapi_set_path_state(vdip, pip, MP_DRVR_PATH_STATE_REMOVED); | |
| 5242 | |
| 5243 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 5244 "!vhci_pathinfo_offline: offlined path 0x%p\n", (void *)pip)); | |
| 5245 return (MDI_SUCCESS); | |
| 5246 } | |
| 5247 | |
| 5248 | |
| 5249 /* | |
| 5250 * routine for SCSI VHCI IOCTL implementation. | |
| 5251 */ | |
| 5252 /* ARGSUSED */ | |
| 5253 static int | |
| 5254 vhci_ctl(dev_t dev, int cmd, intptr_t data, int mode, cred_t *credp, int *rval) | |
| 5255 { | |
| 5256 struct scsi_vhci *vhci; | |
| 5257 dev_info_t *vdip; | |
| 5258 mdi_pathinfo_t *pip; | |
| 5259 int instance, held; | |
| 5260 int retval = 0; | |
| 5261 caddr_t phci_path = NULL, client_path = NULL; | |
| 5262 caddr_t paddr = NULL; | |
| 5263 sv_iocdata_t ioc; | |
| 5264 sv_iocdata_t *pioc = &ioc; | |
| 5265 sv_switch_to_cntlr_iocdata_t iocsc; | |
| 5266 sv_switch_to_cntlr_iocdata_t *piocsc = &iocsc; | |
| 5267 caddr_t s; | |
| 5268 scsi_vhci_lun_t *vlun; | |
| 5269 struct scsi_failover_ops *fo; | |
| 5270 char *pclass; | |
| 5271 | |
| 5272 /* Check for validity of vhci structure */ | |
| 5273 vhci = ddi_get_soft_state(vhci_softstate, MINOR2INST(getminor(dev))); | |
| 5274 if (vhci == NULL) { | |
| 5275 return (ENXIO); | |
| 5276 } | |
| 5277 | |
| 5278 mutex_enter(&vhci->vhci_mutex); | |
| 5279 if ((vhci->vhci_state & VHCI_STATE_OPEN) == 0) { | |
| 5280 mutex_exit(&vhci->vhci_mutex); | |
| 5281 return (ENXIO); | |
| 5282 } | |
| 5283 mutex_exit(&vhci->vhci_mutex); | |
| 5284 | |
| 5285 /* Get the vhci dip */ | |
| 5286 vdip = vhci->vhci_dip; | |
| 5287 ASSERT(vdip != NULL); | |
| 5288 instance = ddi_get_instance(vdip); | |
| 5289 | |
| 5290 /* Allocate memory for getting parameters from userland */ | |
| 5291 phci_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP); | |
| 5292 client_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP); | |
| 5293 paddr = kmem_zalloc(MAXNAMELEN, KM_SLEEP); | |
| 5294 | |
| 5295 /* | |
| 5296 * Set a local variable indicating the ioctl name. Used for | |
| 5297 * printing debug strings. | |
| 5298 */ | |
| 5299 switch (cmd) { | |
| 5300 case SCSI_VHCI_GET_CLIENT_MULTIPATH_INFO: | |
| 5301 s = "GET_CLIENT_MULTIPATH_INFO"; | |
| 5302 break; | |
| 5303 | |
| 5304 case SCSI_VHCI_GET_PHCI_MULTIPATH_INFO: | |
| 5305 s = "GET_PHCI_MULTIPATH_INFO"; | |
| 5306 break; | |
| 5307 | |
| 5308 case SCSI_VHCI_GET_CLIENT_NAME: | |
| 5309 s = "GET_CLIENT_NAME"; | |
| 5310 break; | |
| 5311 | |
| 5312 case SCSI_VHCI_PATH_ONLINE: | |
| 5313 s = "PATH_ONLINE"; | |
| 5314 break; | |
| 5315 | |
| 5316 case SCSI_VHCI_PATH_OFFLINE: | |
| 5317 s = "PATH_OFFLINE"; | |
| 5318 break; | |
| 5319 | |
| 5320 case SCSI_VHCI_PATH_STANDBY: | |
| 5321 s = "PATH_STANDBY"; | |
| 5322 break; | |
| 5323 | |
| 5324 case SCSI_VHCI_PATH_TEST: | |
| 5325 s = "PATH_TEST"; | |
| 5326 break; | |
| 5327 | |
| 5328 case SCSI_VHCI_SWITCH_TO_CNTLR: | |
| 5329 s = "SWITCH_TO_CNTLR"; | |
| 5330 break; | |
| 5331 case SCSI_VHCI_PATH_DISABLE: | |
| 5332 s = "PATH_DISABLE"; | |
| 5333 break; | |
| 5334 case SCSI_VHCI_PATH_ENABLE: | |
| 5335 s = "PATH_ENABLE"; | |
| 5336 break; | |
| 5337 | |
| 5338 case SCSI_VHCI_GET_TARGET_LONGNAME: | |
| 5339 s = "GET_TARGET_LONGNAME"; | |
| 5340 break; | |
| 5341 | |
| 5342 #ifdef DEBUG | |
| 5343 case SCSI_VHCI_CONFIGURE_PHCI: | |
| 5344 s = "CONFIGURE_PHCI"; | |
| 5345 break; | |
| 5346 | |
| 5347 case SCSI_VHCI_UNCONFIGURE_PHCI: | |
| 5348 s = "UNCONFIGURE_PHCI"; | |
| 5349 break; | |
| 5350 #endif | |
| 5351 | |
| 5352 default: | |
| 5353 s = "Unknown"; | |
| 5354 vhci_log(CE_NOTE, vdip, | |
| 5355 "!vhci%d: ioctl %x (unsupported ioctl)", instance, cmd); | |
| 5356 retval = ENOTSUP; | |
| 5357 break; | |
| 5358 } | |
| 5359 if (retval != 0) { | |
| 5360 goto end; | |
| 5361 } | |
| 5362 | |
| 5363 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci%d: ioctl <%s>", instance, s)); | |
| 5364 | |
| 5365 /* | |
| 5366 * Get IOCTL parameters from userland | |
| 5367 */ | |
| 5368 switch (cmd) { | |
| 5369 case SCSI_VHCI_GET_CLIENT_MULTIPATH_INFO: | |
| 5370 case SCSI_VHCI_GET_PHCI_MULTIPATH_INFO: | |
| 5371 case SCSI_VHCI_GET_CLIENT_NAME: | |
| 5372 case SCSI_VHCI_PATH_ONLINE: | |
| 5373 case SCSI_VHCI_PATH_OFFLINE: | |
| 5374 case SCSI_VHCI_PATH_STANDBY: | |
| 5375 case SCSI_VHCI_PATH_TEST: | |
| 5376 case SCSI_VHCI_PATH_DISABLE: | |
| 5377 case SCSI_VHCI_PATH_ENABLE: | |
| 5378 case SCSI_VHCI_GET_TARGET_LONGNAME: | |
| 5379 #ifdef DEBUG | |
| 5380 case SCSI_VHCI_CONFIGURE_PHCI: | |
| 5381 case SCSI_VHCI_UNCONFIGURE_PHCI: | |
| 5382 #endif | |
| 5383 retval = vhci_get_iocdata((const void *)data, pioc, mode, s); | |
| 5384 break; | |
| 5385 | |
| 5386 case SCSI_VHCI_SWITCH_TO_CNTLR: | |
| 5387 retval = vhci_get_iocswitchdata((const void *)data, piocsc, | |
| 5388 mode, s); | |
| 5389 break; | |
| 5390 } | |
| 5391 if (retval != 0) { | |
| 5392 goto end; | |
| 5393 } | |
| 5394 | |
| 5395 | |
| 5396 /* | |
| 5397 * Process the IOCTL | |
| 5398 */ | |
| 5399 switch (cmd) { | |
| 5400 case SCSI_VHCI_GET_CLIENT_MULTIPATH_INFO: | |
| 5401 { | |
| 5402 uint_t num_paths; /* Num paths to client dev */ | |
| 5403 sv_path_info_t *upibuf = NULL; /* To keep userland values */ | |
| 5404 sv_path_info_t *kpibuf = NULL; /* Kernel data for ioctls */ | |
| 5405 dev_info_t *cdip; /* Client device dip */ | |
| 5406 | |
| 5407 if (pioc->ret_elem == NULL) { | |
| 5408 retval = EINVAL; | |
| 5409 break; | |
| 5410 } | |
| 5411 | |
| 5412 /* Get client device path from user land */ | |
| 5413 if (vhci_ioc_get_client_path(pioc, client_path, mode, s)) { | |
| 5414 retval = EFAULT; | |
| 5415 break; | |
| 5416 } | |
| 5417 | |
| 5418 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5419 "client <%s>", s, client_path)); | |
| 5420 | |
| 5421 /* Get number of paths to this client device */ | |
| 5422 if ((cdip = mdi_client_path2devinfo(vdip, client_path)) | |
| 5423 == NULL) { | |
| 5424 retval = ENXIO; | |
| 5425 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5426 "client dip doesn't exist. invalid path <%s>", | |
| 5427 s, client_path)); | |
| 5428 break; | |
| 5429 } | |
| 5430 num_paths = mdi_client_get_path_count(cdip); | |
| 5431 | |
| 5432 if (ddi_copyout(&num_paths, pioc->ret_elem, | |
| 5433 sizeof (num_paths), mode)) { | |
| 5434 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5435 "num_paths copyout failed", s)); | |
| 5436 retval = EFAULT; | |
| 5437 break; | |
| 5438 } | |
| 5439 | |
| 5440 /* If user just wanted num_paths, then return */ | |
| 5441 if (pioc->buf_elem == 0 || pioc->ret_buf == NULL || | |
| 5442 num_paths == 0) { | |
| 5443 break; | |
| 5444 } | |
| 5445 | |
| 5446 /* Set num_paths to value as much as can be sent to userland */ | |
| 5447 if (num_paths > pioc->buf_elem) { | |
| 5448 num_paths = pioc->buf_elem; | |
| 5449 } | |
| 5450 | |
| 5451 /* Allocate memory and get userland pointers */ | |
| 5452 if (vhci_ioc_alloc_pathinfo(&upibuf, &kpibuf, num_paths, | |
| 5453 pioc, mode, s) != 0) { | |
| 5454 retval = EFAULT; | |
| 5455 break; | |
| 5456 } | |
| 5457 ASSERT(upibuf != NULL); | |
| 5458 ASSERT(kpibuf != NULL); | |
| 5459 | |
| 5460 /* | |
| 5461 * Get the path information and send it to userland. | |
| 5462 */ | |
| 5463 if (vhci_get_client_path_list(cdip, kpibuf, num_paths) | |
| 5464 != MDI_SUCCESS) { | |
| 5465 retval = ENXIO; | |
| 5466 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5467 break; | |
| 5468 } | |
| 5469 | |
| 5470 if (vhci_ioc_send_pathinfo(upibuf, kpibuf, num_paths, | |
| 5471 pioc, mode, s)) { | |
| 5472 retval = EFAULT; | |
| 5473 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5474 break; | |
| 5475 } | |
| 5476 | |
| 5477 /* Free the memory allocated for path information */ | |
| 5478 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5479 break; | |
| 5480 } | |
| 5481 | |
| 5482 case SCSI_VHCI_GET_PHCI_MULTIPATH_INFO: | |
| 5483 { | |
| 5484 uint_t num_paths; /* Num paths to client dev */ | |
| 5485 sv_path_info_t *upibuf = NULL; /* To keep userland values */ | |
| 5486 sv_path_info_t *kpibuf = NULL; /* Kernel data for ioctls */ | |
| 5487 dev_info_t *pdip; /* PHCI device dip */ | |
| 5488 | |
| 5489 if (pioc->ret_elem == NULL) { | |
| 5490 retval = EINVAL; | |
| 5491 break; | |
| 5492 } | |
| 5493 | |
| 5494 /* Get PHCI device path from user land */ | |
| 5495 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s)) { | |
| 5496 retval = EFAULT; | |
| 5497 break; | |
| 5498 } | |
| 5499 | |
| 5500 VHCI_DEBUG(6, (CE_WARN, vdip, | |
| 5501 "!vhci_ioctl: ioctl <%s> phci <%s>", s, phci_path)); | |
| 5502 | |
| 5503 /* Get number of devices associated with this PHCI device */ | |
| 5504 if ((pdip = mdi_phci_path2devinfo(vdip, phci_path)) == NULL) { | |
| 5505 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5506 "phci dip doesn't exist. invalid path <%s>", | |
| 5507 s, phci_path)); | |
| 5508 retval = ENXIO; | |
| 5509 break; | |
| 5510 } | |
| 5511 | |
| 5512 num_paths = mdi_phci_get_path_count(pdip); | |
| 5513 | |
| 5514 if (ddi_copyout(&num_paths, pioc->ret_elem, | |
| 5515 sizeof (num_paths), mode)) { | |
| 5516 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5517 "num_paths copyout failed", s)); | |
| 5518 retval = EFAULT; | |
| 5519 break; | |
| 5520 } | |
| 5521 | |
| 5522 /* If user just wanted num_paths, then return */ | |
| 5523 if (pioc->buf_elem == 0 || pioc->ret_buf == NULL || | |
| 5524 num_paths == 0) { | |
| 5525 break; | |
| 5526 } | |
| 5527 | |
| 5528 /* Set num_paths to value as much as can be sent to userland */ | |
| 5529 if (num_paths > pioc->buf_elem) { | |
| 5530 num_paths = pioc->buf_elem; | |
| 5531 } | |
| 5532 | |
| 5533 /* Allocate memory and get userland pointers */ | |
| 5534 if (vhci_ioc_alloc_pathinfo(&upibuf, &kpibuf, num_paths, | |
| 5535 pioc, mode, s) != 0) { | |
| 5536 retval = EFAULT; | |
| 5537 break; | |
| 5538 } | |
| 5539 ASSERT(upibuf != NULL); | |
| 5540 ASSERT(kpibuf != NULL); | |
| 5541 | |
| 5542 /* | |
| 5543 * Get the path information and send it to userland. | |
| 5544 */ | |
| 5545 if (vhci_get_phci_path_list(pdip, kpibuf, num_paths) | |
| 5546 != MDI_SUCCESS) { | |
| 5547 retval = ENXIO; | |
| 5548 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5549 break; | |
| 5550 } | |
| 5551 | |
| 5552 if (vhci_ioc_send_pathinfo(upibuf, kpibuf, num_paths, | |
| 5553 pioc, mode, s)) { | |
| 5554 retval = EFAULT; | |
| 5555 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5556 break; | |
| 5557 } | |
| 5558 | |
| 5559 /* Free the memory allocated for path information */ | |
| 5560 vhci_ioc_free_pathinfo(upibuf, kpibuf, num_paths); | |
| 5561 break; | |
| 5562 } | |
| 5563 | |
| 5564 case SCSI_VHCI_GET_CLIENT_NAME: | |
| 5565 { | |
| 5566 dev_info_t *cdip, *pdip; | |
| 5567 | |
| 5568 /* Get PHCI path and device address from user land */ | |
| 5569 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s) || | |
| 5570 vhci_ioc_get_paddr(pioc, paddr, mode, s)) { | |
| 5571 retval = EFAULT; | |
| 5572 break; | |
| 5573 } | |
| 5574 | |
| 5575 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5576 "phci <%s>, paddr <%s>", s, phci_path, paddr)); | |
| 5577 | |
| 5578 /* Get the PHCI dip */ | |
| 5579 if ((pdip = mdi_phci_path2devinfo(vdip, phci_path)) == NULL) { | |
| 5580 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5581 "phci dip doesn't exist. invalid path <%s>", | |
| 5582 s, phci_path)); | |
| 5583 retval = ENXIO; | |
| 5584 break; | |
| 5585 } | |
| 5586 | |
| 5587 if ((pip = mdi_pi_find(pdip, NULL, paddr)) == NULL) { | |
| 5588 VHCI_DEBUG(1, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5589 "pathinfo doesn't exist. invalid device addr", s)); | |
| 5590 retval = ENXIO; | |
| 5591 break; | |
| 5592 } | |
| 5593 | |
| 5594 /* Get the client device pathname and send to userland */ | |
| 5595 cdip = mdi_pi_get_client(pip); | |
| 5596 vhci_ioc_devi_to_path(cdip, client_path); | |
| 5597 | |
| 5598 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5599 "client <%s>", s, client_path)); | |
| 5600 | |
| 5601 if (vhci_ioc_send_client_path(client_path, pioc, mode, s)) { | |
| 5602 retval = EFAULT; | |
| 5603 break; | |
| 5604 } | |
| 5605 break; | |
| 5606 } | |
| 5607 | |
| 5608 case SCSI_VHCI_PATH_ONLINE: | |
| 5609 case SCSI_VHCI_PATH_OFFLINE: | |
| 5610 case SCSI_VHCI_PATH_STANDBY: | |
| 5611 case SCSI_VHCI_PATH_TEST: | |
| 5612 { | |
| 5613 dev_info_t *pdip; /* PHCI dip */ | |
| 5614 | |
| 5615 /* Get PHCI path and device address from user land */ | |
| 5616 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s) || | |
| 5617 vhci_ioc_get_paddr(pioc, paddr, mode, s)) { | |
| 5618 retval = EFAULT; | |
| 5619 break; | |
| 5620 } | |
| 5621 | |
| 5622 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5623 "phci <%s>, paddr <%s>", s, phci_path, paddr)); | |
| 5624 | |
| 5625 /* Get the PHCI dip */ | |
| 5626 if ((pdip = mdi_phci_path2devinfo(vdip, phci_path)) == NULL) { | |
| 5627 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5628 "phci dip doesn't exist. invalid path <%s>", | |
| 5629 s, phci_path)); | |
| 5630 retval = ENXIO; | |
| 5631 break; | |
| 5632 } | |
| 5633 | |
| 5634 if ((pip = mdi_pi_find(pdip, NULL, paddr)) == NULL) { | |
| 5635 VHCI_DEBUG(1, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5636 "pathinfo doesn't exist. invalid device addr", s)); | |
| 5637 retval = ENXIO; | |
| 5638 break; | |
| 5639 } | |
| 5640 | |
| 5641 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5642 "Calling MDI function to change device state", s)); | |
| 5643 | |
| 5644 switch (cmd) { | |
| 5645 case SCSI_VHCI_PATH_ONLINE: | |
| 5646 retval = mdi_pi_online(pip, 0); | |
| 5647 break; | |
| 5648 | |
| 5649 case SCSI_VHCI_PATH_OFFLINE: | |
| 5650 retval = mdi_pi_offline(pip, 0); | |
| 5651 break; | |
| 5652 | |
| 5653 case SCSI_VHCI_PATH_STANDBY: | |
| 5654 retval = mdi_pi_standby(pip, 0); | |
| 5655 break; | |
| 5656 | |
| 5657 case SCSI_VHCI_PATH_TEST: | |
| 5658 break; | |
| 5659 } | |
| 5660 break; | |
| 5661 } | |
| 5662 | |
| 5663 case SCSI_VHCI_SWITCH_TO_CNTLR: | |
| 5664 { | |
| 5665 dev_info_t *cdip; | |
| 5666 struct scsi_device *devp; | |
| 5667 | |
| 5668 /* Get the client device pathname */ | |
| 5669 if (ddi_copyin(piocsc->client, client_path, | |
| 5670 MAXPATHLEN, mode)) { | |
| 5671 VHCI_DEBUG(2, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5672 "client_path copyin failed", s)); | |
| 5673 retval = EFAULT; | |
| 5674 break; | |
| 5675 } | |
| 5676 | |
| 5677 /* Get the path class to which user wants to switch */ | |
| 5678 if (ddi_copyin(piocsc->class, paddr, MAXNAMELEN, mode)) { | |
| 5679 VHCI_DEBUG(2, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5680 "controller_class copyin failed", s)); | |
| 5681 retval = EFAULT; | |
| 5682 break; | |
| 5683 } | |
| 5684 | |
| 5685 /* Perform validity checks */ | |
| 5686 if ((cdip = mdi_client_path2devinfo(vdip, | |
| 5687 client_path)) == NULL) { | |
| 5688 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5689 "client dip doesn't exist. invalid path <%s>", | |
| 5690 s, client_path)); | |
| 5691 retval = ENXIO; | |
| 5692 break; | |
| 5693 } | |
| 5694 | |
| 5695 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: Calling MDI func " | |
| 5696 "to switch controller")); | |
| 5697 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: client <%s> " | |
| 5698 "class <%s>", client_path, paddr)); | |
| 5699 | |
| 5700 if (strcmp(paddr, PCLASS_PRIMARY) && | |
| 5701 strcmp(paddr, PCLASS_SECONDARY)) { | |
| 5702 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5703 "invalid path class <%s>", s, paddr)); | |
| 5704 retval = ENXIO; | |
| 5705 break; | |
| 5706 } | |
| 5707 | |
| 5708 devp = ddi_get_driver_private(cdip); | |
| 5709 if (devp == NULL) { | |
| 5710 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5711 "invalid scsi device <%s>", s, client_path)); | |
| 5712 retval = ENXIO; | |
| 5713 break; | |
| 5714 } | |
| 5715 vlun = ADDR2VLUN(&devp->sd_address); | |
| 5716 ASSERT(vlun); | |
| 5717 | |
| 5718 /* | |
| 5719 * Checking to see if device has only one pclass, PRIMARY. | |
| 5720 * If so this device doesn't support failovers. Assumed | |
| 5721 * that the devices with one pclass is PRIMARY, as thats the | |
| 5722 * case today. If this is not true and in future other | |
| 5723 * symmetric devices are supported with other pclass, this | |
| 5724 * IOCTL shall have to be overhauled anyways as now the only | |
| 5725 * arguments it accepts are PRIMARY and SECONDARY. | |
| 5726 */ | |
| 5727 fo = vlun->svl_fops; | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
5728 if (fo->sfo_pathclass_next(PCLASS_PRIMARY, &pclass, |
| 4851 | 5729 vlun->svl_fops_ctpriv)) { |
| 5730 retval = ENOTSUP; | |
| 5731 break; | |
| 5732 } | |
| 5733 | |
| 5734 VHCI_HOLD_LUN(vlun, VH_SLEEP, held); | |
| 5735 mutex_enter(&vlun->svl_mutex); | |
| 5736 if (vlun->svl_active_pclass != NULL) { | |
| 5737 if (strcmp(vlun->svl_active_pclass, paddr) == 0) { | |
| 5738 mutex_exit(&vlun->svl_mutex); | |
| 5739 retval = EALREADY; | |
| 5740 VHCI_RELEASE_LUN(vlun); | |
| 5741 break; | |
| 5742 } | |
| 5743 } | |
| 5744 mutex_exit(&vlun->svl_mutex); | |
| 5745 /* Call mdi function to cause a switch over */ | |
| 5746 retval = mdi_failover(vdip, cdip, MDI_FAILOVER_SYNC); | |
| 5747 if (retval == MDI_SUCCESS) { | |
| 5748 retval = 0; | |
| 5749 } else if (retval == MDI_BUSY) { | |
| 5750 retval = EBUSY; | |
| 5751 } else { | |
| 5752 retval = EIO; | |
| 5753 } | |
| 5754 VHCI_RELEASE_LUN(vlun); | |
| 5755 break; | |
| 5756 } | |
| 5757 | |
| 5758 case SCSI_VHCI_PATH_ENABLE: | |
| 5759 case SCSI_VHCI_PATH_DISABLE: | |
| 5760 { | |
| 5761 dev_info_t *cdip, *pdip; | |
| 5762 | |
| 5763 /* | |
| 5764 * Get client device path from user land | |
| 5765 */ | |
| 5766 if (vhci_ioc_get_client_path(pioc, client_path, mode, s)) { | |
| 5767 retval = EFAULT; | |
| 5768 break; | |
| 5769 } | |
| 5770 | |
| 5771 /* | |
| 5772 * Get Phci device path from user land | |
| 5773 */ | |
| 5774 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s)) { | |
| 5775 retval = EFAULT; | |
| 5776 break; | |
| 5777 } | |
| 5778 | |
| 5779 /* | |
| 5780 * Get the devinfo for the Phci. | |
| 5781 */ | |
| 5782 if ((pdip = mdi_phci_path2devinfo(vdip, phci_path)) == NULL) { | |
| 5783 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5784 "phci dip doesn't exist. invalid path <%s>", | |
| 5785 s, phci_path)); | |
| 5786 retval = ENXIO; | |
| 5787 break; | |
| 5788 } | |
| 5789 | |
| 5790 /* | |
| 5791 * If the client path is set to /scsi_vhci then we need | |
| 5792 * to do the operation on all the clients so set cdip to NULL. | |
| 5793 * Else, try to get the client dip. | |
| 5794 */ | |
| 5795 if (strcmp(client_path, "/scsi_vhci") == 0) { | |
| 5796 cdip = NULL; | |
| 5797 } else { | |
| 5798 if ((cdip = mdi_client_path2devinfo(vdip, | |
| 5799 client_path)) == NULL) { | |
| 5800 retval = ENXIO; | |
| 5801 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 5802 "!vhci_ioctl: ioctl <%s> client dip " | |
| 5803 "doesn't exist. invalid path <%s>", | |
| 5804 s, client_path)); | |
| 5805 break; | |
| 5806 } | |
| 5807 } | |
| 5808 | |
| 5809 if (cmd == SCSI_VHCI_PATH_ENABLE) | |
| 5810 retval = mdi_pi_enable(cdip, pdip, USER_DISABLE); | |
| 5811 else | |
| 5812 retval = mdi_pi_disable(cdip, pdip, USER_DISABLE); | |
| 5813 | |
| 5814 break; | |
| 5815 } | |
| 5816 | |
| 5817 case SCSI_VHCI_GET_TARGET_LONGNAME: | |
| 5818 { | |
| 5819 uint_t pid = pioc->buf_elem; | |
| 5820 char *target_port; | |
| 5821 mod_hash_val_t hv; | |
| 5822 | |
| 5823 /* targetmap lookup of 'target-port' by <pid> */ | |
| 5824 if (mod_hash_find(vhci_targetmap_bypid, | |
| 5825 (mod_hash_key_t)(uintptr_t)pid, &hv) != 0) { | |
| 5826 /* | |
| 5827 * NOTE: failure to find the mapping is OK for guid | |
| 5828 * based 'target-port' values. | |
| 5829 */ | |
| 5830 VHCI_DEBUG(3, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5831 "targetport mapping doesn't exist: pid %d", | |
| 5832 s, pid)); | |
| 5833 retval = ENXIO; | |
| 5834 break; | |
| 5835 } | |
| 5836 | |
| 5837 /* copyout 'target-port' result */ | |
| 5838 target_port = (char *)hv; | |
| 5839 if (copyoutstr(target_port, pioc->addr, MAXNAMELEN, NULL)) { | |
| 5840 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5841 "targetport copyout failed: len: %d", | |
| 5842 s, (int)strlen(target_port))); | |
| 5843 retval = EFAULT; | |
| 5844 } | |
| 5845 break; | |
| 5846 } | |
| 5847 | |
| 5848 #ifdef DEBUG | |
| 5849 case SCSI_VHCI_CONFIGURE_PHCI: | |
| 5850 { | |
| 5851 dev_info_t *pdip; | |
| 5852 | |
| 5853 /* Get PHCI path and device address from user land */ | |
| 5854 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s)) { | |
| 5855 retval = EFAULT; | |
| 5856 break; | |
| 5857 } | |
| 5858 | |
| 5859 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5860 "phci <%s>", s, phci_path)); | |
| 5861 | |
| 5862 /* Get the PHCI dip */ | |
| 5863 if ((pdip = e_ddi_hold_devi_by_path(phci_path, 0)) == NULL) { | |
| 5864 VHCI_DEBUG(3, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5865 "phci dip doesn't exist. invalid path <%s>", | |
| 5866 s, phci_path)); | |
| 5867 retval = ENXIO; | |
| 5868 break; | |
| 5869 } | |
| 5870 | |
| 5871 if (ndi_devi_config(pdip, | |
| 5872 NDI_DEVFS_CLEAN|NDI_DEVI_PERSIST) != NDI_SUCCESS) { | |
| 5873 retval = EIO; | |
| 5874 } | |
| 5875 | |
| 5876 ddi_release_devi(pdip); | |
| 5877 break; | |
| 5878 } | |
| 5879 | |
| 5880 case SCSI_VHCI_UNCONFIGURE_PHCI: | |
| 5881 { | |
| 5882 dev_info_t *pdip; | |
| 5883 | |
| 5884 /* Get PHCI path and device address from user land */ | |
| 5885 if (vhci_ioc_get_phci_path(pioc, phci_path, mode, s)) { | |
| 5886 retval = EFAULT; | |
| 5887 break; | |
| 5888 } | |
| 5889 | |
| 5890 VHCI_DEBUG(6, (CE_WARN, vdip, "!vhci_ioctl: ioctl <%s> " | |
| 5891 "phci <%s>", s, phci_path)); | |
| 5892 | |
| 5893 /* Get the PHCI dip */ | |
| 5894 if ((pdip = e_ddi_hold_devi_by_path(phci_path, 0)) == NULL) { | |
| 5895 VHCI_DEBUG(3, (CE_WARN, NULL, "!vhci_ioctl: ioctl <%s> " | |
| 5896 "phci dip doesn't exist. invalid path <%s>", | |
| 5897 s, phci_path)); | |
| 5898 retval = ENXIO; | |
| 5899 break; | |
| 5900 } | |
| 5901 | |
| 5902 if (ndi_devi_unconfig(pdip, | |
| 5903 NDI_DEVI_REMOVE|NDI_DEVFS_CLEAN) != NDI_SUCCESS) { | |
| 5904 retval = EBUSY; | |
| 5905 } | |
| 5906 | |
| 5907 ddi_release_devi(pdip); | |
| 5908 break; | |
| 5909 } | |
| 5910 #endif | |
| 5911 } | |
| 5912 | |
| 5913 end: | |
| 5914 /* Free the memory allocated above */ | |
| 5915 if (phci_path != NULL) { | |
| 5916 kmem_free(phci_path, MAXPATHLEN); | |
| 5917 } | |
| 5918 if (client_path != NULL) { | |
| 5919 kmem_free(client_path, MAXPATHLEN); | |
| 5920 } | |
| 5921 if (paddr != NULL) { | |
| 5922 kmem_free(paddr, MAXNAMELEN); | |
| 5923 } | |
| 5924 return (retval); | |
| 5925 } | |
| 5926 | |
| 5927 /* | |
| 5928 * devctl IOCTL support for client device DR | |
| 5929 */ | |
| 5930 /* ARGSUSED */ | |
| 5931 int | |
| 5932 vhci_devctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, | |
| 5933 int *rvalp) | |
| 5934 { | |
| 5935 dev_info_t *self; | |
| 5936 dev_info_t *child; | |
| 5937 scsi_hba_tran_t *hba; | |
| 5938 struct devctl_iocdata *dcp; | |
| 5939 struct scsi_vhci *vhci; | |
| 5940 int rv = 0; | |
| 5941 int retval = 0; | |
| 5942 scsi_vhci_priv_t *svp; | |
| 5943 mdi_pathinfo_t *pip; | |
| 5944 | |
| 5945 if ((vhci = ddi_get_soft_state(vhci_softstate, | |
| 5946 MINOR2INST(getminor(dev)))) == NULL) | |
| 5947 return (ENXIO); | |
| 5948 | |
| 5949 /* | |
| 5950 * check if :devctl minor device has been opened | |
| 5951 */ | |
| 5952 mutex_enter(&vhci->vhci_mutex); | |
| 5953 if ((vhci->vhci_state & VHCI_STATE_OPEN) == 0) { | |
| 5954 mutex_exit(&vhci->vhci_mutex); | |
| 5955 return (ENXIO); | |
| 5956 } | |
| 5957 mutex_exit(&vhci->vhci_mutex); | |
| 5958 | |
| 5959 self = vhci->vhci_dip; | |
| 5960 hba = ddi_get_driver_private(self); | |
| 5961 if (hba == NULL) | |
| 5962 return (ENXIO); | |
| 5963 | |
| 5964 /* | |
| 5965 * We can use the generic implementation for these ioctls | |
| 5966 */ | |
| 5967 switch (cmd) { | |
| 5968 case DEVCTL_DEVICE_GETSTATE: | |
| 5969 case DEVCTL_DEVICE_ONLINE: | |
| 5970 case DEVCTL_DEVICE_OFFLINE: | |
| 5971 case DEVCTL_DEVICE_REMOVE: | |
| 5972 case DEVCTL_BUS_GETSTATE: | |
| 5973 return (ndi_devctl_ioctl(self, cmd, arg, mode, 0)); | |
| 5974 } | |
| 5975 | |
| 5976 /* | |
| 5977 * read devctl ioctl data | |
| 5978 */ | |
| 5979 if (ndi_dc_allochdl((void *)arg, &dcp) != NDI_SUCCESS) | |
| 5980 return (EFAULT); | |
| 5981 | |
| 5982 switch (cmd) { | |
| 5983 | |
| 5984 case DEVCTL_DEVICE_RESET: | |
| 5985 /* | |
| 5986 * lookup and hold child device | |
| 5987 */ | |
| 5988 if ((child = ndi_devi_find(self, ndi_dc_getname(dcp), | |
| 5989 ndi_dc_getaddr(dcp))) == NULL) { | |
| 5990 rv = ENXIO; | |
| 5991 break; | |
| 5992 } | |
| 5993 retval = mdi_select_path(child, NULL, | |
| 5994 (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH), | |
| 5995 NULL, &pip); | |
| 5996 if ((retval != MDI_SUCCESS) || (pip == NULL)) { | |
| 5997 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioctl:" | |
| 5998 "Unable to get a path, dip 0x%p", (void *)child)); | |
| 5999 rv = ENXIO; | |
| 6000 break; | |
| 6001 } | |
| 6002 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 6003 if (vhci_recovery_reset(svp->svp_svl, | |
| 6004 &svp->svp_psd->sd_address, TRUE, | |
| 6005 VHCI_DEPTH_TARGET) == 0) { | |
| 6006 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6007 "!vhci_ioctl(pip:%p): " | |
| 6008 "reset failed\n", (void *)pip)); | |
| 6009 rv = ENXIO; | |
| 6010 } | |
| 6011 mdi_rele_path(pip); | |
| 6012 break; | |
| 6013 | |
| 6014 case DEVCTL_BUS_QUIESCE: | |
| 6015 case DEVCTL_BUS_UNQUIESCE: | |
| 6016 case DEVCTL_BUS_RESET: | |
| 6017 case DEVCTL_BUS_RESETALL: | |
| 6018 #ifdef DEBUG | |
| 6019 case DEVCTL_BUS_CONFIGURE: | |
| 6020 case DEVCTL_BUS_UNCONFIGURE: | |
| 6021 #endif | |
| 6022 rv = ENOTSUP; | |
| 6023 break; | |
| 6024 | |
| 6025 default: | |
| 6026 rv = ENOTTY; | |
| 6027 } /* end of outer switch */ | |
| 6028 | |
| 6029 ndi_dc_freehdl(dcp); | |
| 6030 return (rv); | |
| 6031 } | |
| 6032 | |
| 6033 /* | |
| 6034 * Routine to get the PHCI pathname from ioctl structures in userland | |
| 6035 */ | |
| 6036 /* ARGSUSED */ | |
| 6037 static int | |
| 6038 vhci_ioc_get_phci_path(sv_iocdata_t *pioc, caddr_t phci_path, | |
| 6039 int mode, caddr_t s) | |
| 6040 { | |
| 6041 int retval = 0; | |
| 6042 | |
| 6043 if (ddi_copyin(pioc->phci, phci_path, MAXPATHLEN, mode)) { | |
| 6044 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioc_get_phci: ioctl <%s> " | |
| 6045 "phci_path copyin failed", s)); | |
| 6046 retval = EFAULT; | |
| 6047 } | |
| 6048 return (retval); | |
| 6049 | |
| 6050 } | |
| 6051 | |
| 6052 | |
| 6053 /* | |
| 6054 * Routine to get the Client device pathname from ioctl structures in userland | |
| 6055 */ | |
| 6056 /* ARGSUSED */ | |
| 6057 static int | |
| 6058 vhci_ioc_get_client_path(sv_iocdata_t *pioc, caddr_t client_path, | |
| 6059 int mode, caddr_t s) | |
| 6060 { | |
| 6061 int retval = 0; | |
| 6062 | |
| 6063 if (ddi_copyin(pioc->client, client_path, MAXPATHLEN, mode)) { | |
| 6064 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioc_get_client: " | |
| 6065 "ioctl <%s> client_path copyin failed", s)); | |
| 6066 retval = EFAULT; | |
| 6067 } | |
| 6068 return (retval); | |
| 6069 } | |
| 6070 | |
| 6071 | |
| 6072 /* | |
| 6073 * Routine to get physical device address from ioctl structure in userland | |
| 6074 */ | |
| 6075 /* ARGSUSED */ | |
| 6076 static int | |
| 6077 vhci_ioc_get_paddr(sv_iocdata_t *pioc, caddr_t paddr, int mode, caddr_t s) | |
| 6078 { | |
| 6079 int retval = 0; | |
| 6080 | |
| 6081 if (ddi_copyin(pioc->addr, paddr, MAXNAMELEN, mode)) { | |
| 6082 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioc_get_paddr: " | |
| 6083 "ioctl <%s> device addr copyin failed", s)); | |
| 6084 retval = EFAULT; | |
| 6085 } | |
| 6086 return (retval); | |
| 6087 } | |
| 6088 | |
| 6089 | |
| 6090 /* | |
| 6091 * Routine to send client device pathname to userland. | |
| 6092 */ | |
| 6093 /* ARGSUSED */ | |
| 6094 static int | |
| 6095 vhci_ioc_send_client_path(caddr_t client_path, sv_iocdata_t *pioc, | |
| 6096 int mode, caddr_t s) | |
| 6097 { | |
| 6098 int retval = 0; | |
| 6099 | |
| 6100 if (ddi_copyout(client_path, pioc->client, MAXPATHLEN, mode)) { | |
| 6101 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_ioc_send_client: " | |
| 6102 "ioctl <%s> client_path copyout failed", s)); | |
| 6103 retval = EFAULT; | |
| 6104 } | |
| 6105 return (retval); | |
| 6106 } | |
| 6107 | |
| 6108 | |
| 6109 /* | |
| 6110 * Routine to translated dev_info pointer (dip) to device pathname. | |
| 6111 */ | |
| 6112 static void | |
| 6113 vhci_ioc_devi_to_path(dev_info_t *dip, caddr_t path) | |
| 6114 { | |
| 6115 (void) ddi_pathname(dip, path); | |
| 6116 } | |
| 6117 | |
| 6118 | |
| 6119 /* | |
| 6120 * vhci_get_phci_path_list: | |
| 6121 * get information about devices associated with a | |
| 6122 * given PHCI device. | |
| 6123 * | |
| 6124 * Return Values: | |
| 6125 * path information elements | |
| 6126 */ | |
| 6127 int | |
| 6128 vhci_get_phci_path_list(dev_info_t *pdip, sv_path_info_t *pibuf, | |
| 6129 uint_t num_elems) | |
| 6130 { | |
| 6131 uint_t count, done; | |
| 6132 mdi_pathinfo_t *pip; | |
| 6133 sv_path_info_t *ret_pip; | |
| 6134 int status; | |
| 6135 size_t prop_size; | |
| 6136 int circular; | |
| 6137 | |
| 6138 /* | |
| 6139 * Get the PHCI structure and retrieve the path information | |
| 6140 * from the GUID hash table. | |
| 6141 */ | |
| 6142 | |
| 6143 ret_pip = pibuf; | |
| 6144 count = 0; | |
| 6145 | |
| 6146 ndi_devi_enter(pdip, &circular); | |
| 6147 | |
| 6148 done = (count >= num_elems); | |
| 6149 pip = mdi_get_next_client_path(pdip, NULL); | |
| 6150 while (pip && !done) { | |
| 6151 mdi_pi_lock(pip); | |
| 6152 (void) ddi_pathname(mdi_pi_get_phci(pip), | |
| 6153 ret_pip->device.ret_phci); | |
| 6154 (void) strcpy(ret_pip->ret_addr, mdi_pi_get_addr(pip)); | |
| 6155 (void) mdi_pi_get_state2(pip, &ret_pip->ret_state, | |
| 6156 &ret_pip->ret_ext_state); | |
| 6157 | |
| 6158 status = mdi_prop_size(pip, &prop_size); | |
| 6159 if (status == MDI_SUCCESS && ret_pip->ret_prop.ret_buf_size) { | |
| 6160 *ret_pip->ret_prop.ret_buf_size = (uint_t)prop_size; | |
| 6161 } | |
| 6162 | |
| 6163 #ifdef DEBUG | |
| 6164 if (status != MDI_SUCCESS) { | |
| 6165 VHCI_DEBUG(2, (CE_WARN, NULL, | |
| 6166 "!vhci_get_phci_path_list: " | |
| 6167 "phci <%s>, prop size failure 0x%x", | |
| 6168 ret_pip->device.ret_phci, status)); | |
| 6169 } | |
| 6170 #endif /* DEBUG */ | |
| 6171 | |
| 6172 | |
| 6173 if (status == MDI_SUCCESS && ret_pip->ret_prop.buf && | |
| 6174 prop_size && ret_pip->ret_prop.buf_size >= prop_size) { | |
| 6175 status = mdi_prop_pack(pip, | |
| 6176 &ret_pip->ret_prop.buf, | |
| 6177 ret_pip->ret_prop.buf_size); | |
| 6178 | |
| 6179 #ifdef DEBUG | |
| 6180 if (status != MDI_SUCCESS) { | |
| 6181 VHCI_DEBUG(2, (CE_WARN, NULL, | |
| 6182 "!vhci_get_phci_path_list: " | |
| 6183 "phci <%s>, prop pack failure 0x%x", | |
| 6184 ret_pip->device.ret_phci, status)); | |
| 6185 } | |
| 6186 #endif /* DEBUG */ | |
| 6187 } | |
| 6188 | |
| 6189 mdi_pi_unlock(pip); | |
| 6190 pip = mdi_get_next_client_path(pdip, pip); | |
| 6191 ret_pip++; | |
| 6192 count++; | |
| 6193 done = (count >= num_elems); | |
| 6194 } | |
| 6195 | |
| 6196 ndi_devi_exit(pdip, circular); | |
| 6197 | |
| 6198 return (MDI_SUCCESS); | |
| 6199 } | |
| 6200 | |
| 6201 | |
| 6202 /* | |
| 6203 * vhci_get_client_path_list: | |
| 6204 * get information about various paths associated with a | |
| 6205 * given client device. | |
| 6206 * | |
| 6207 * Return Values: | |
| 6208 * path information elements | |
| 6209 */ | |
| 6210 int | |
| 6211 vhci_get_client_path_list(dev_info_t *cdip, sv_path_info_t *pibuf, | |
| 6212 uint_t num_elems) | |
| 6213 { | |
| 6214 uint_t count, done; | |
| 6215 mdi_pathinfo_t *pip; | |
| 6216 sv_path_info_t *ret_pip; | |
| 6217 int status; | |
| 6218 size_t prop_size; | |
| 6219 int circular; | |
| 6220 | |
| 6221 ret_pip = pibuf; | |
| 6222 count = 0; | |
| 6223 | |
| 6224 ndi_devi_enter(cdip, &circular); | |
| 6225 | |
| 6226 done = (count >= num_elems); | |
| 6227 pip = mdi_get_next_phci_path(cdip, NULL); | |
| 6228 while (pip && !done) { | |
| 6229 mdi_pi_lock(pip); | |
| 6230 (void) ddi_pathname(mdi_pi_get_phci(pip), | |
| 6231 ret_pip->device.ret_phci); | |
| 6232 (void) strcpy(ret_pip->ret_addr, mdi_pi_get_addr(pip)); | |
| 6233 (void) mdi_pi_get_state2(pip, &ret_pip->ret_state, | |
| 6234 &ret_pip->ret_ext_state); | |
| 6235 | |
| 6236 status = mdi_prop_size(pip, &prop_size); | |
| 6237 if (status == MDI_SUCCESS && ret_pip->ret_prop.ret_buf_size) { | |
| 6238 *ret_pip->ret_prop.ret_buf_size = (uint_t)prop_size; | |
| 6239 } | |
| 6240 | |
| 6241 #ifdef DEBUG | |
| 6242 if (status != MDI_SUCCESS) { | |
| 6243 VHCI_DEBUG(2, (CE_WARN, NULL, | |
| 6244 "!vhci_get_client_path_list: " | |
| 6245 "phci <%s>, prop size failure 0x%x", | |
| 6246 ret_pip->device.ret_phci, status)); | |
| 6247 } | |
| 6248 #endif /* DEBUG */ | |
| 6249 | |
| 6250 | |
| 6251 if (status == MDI_SUCCESS && ret_pip->ret_prop.buf && | |
| 6252 prop_size && ret_pip->ret_prop.buf_size >= prop_size) { | |
| 6253 status = mdi_prop_pack(pip, | |
| 6254 &ret_pip->ret_prop.buf, | |
| 6255 ret_pip->ret_prop.buf_size); | |
| 6256 | |
| 6257 #ifdef DEBUG | |
| 6258 if (status != MDI_SUCCESS) { | |
| 6259 VHCI_DEBUG(2, (CE_WARN, NULL, | |
| 6260 "!vhci_get_client_path_list: " | |
| 6261 "phci <%s>, prop pack failure 0x%x", | |
| 6262 ret_pip->device.ret_phci, status)); | |
| 6263 } | |
| 6264 #endif /* DEBUG */ | |
| 6265 } | |
| 6266 | |
| 6267 mdi_pi_unlock(pip); | |
| 6268 pip = mdi_get_next_phci_path(cdip, pip); | |
| 6269 ret_pip++; | |
| 6270 count++; | |
| 6271 done = (count >= num_elems); | |
| 6272 } | |
| 6273 | |
| 6274 ndi_devi_exit(cdip, circular); | |
| 6275 | |
| 6276 return (MDI_SUCCESS); | |
| 6277 } | |
| 6278 | |
| 6279 | |
| 6280 /* | |
| 6281 * Routine to get ioctl argument structure from userland. | |
| 6282 */ | |
| 6283 /* ARGSUSED */ | |
| 6284 static int | |
| 6285 vhci_get_iocdata(const void *data, sv_iocdata_t *pioc, int mode, caddr_t s) | |
| 6286 { | |
| 6287 int retval = 0; | |
| 6288 | |
| 6289 #ifdef _MULTI_DATAMODEL | |
| 6290 switch (ddi_model_convert_from(mode & FMODELS)) { | |
| 6291 case DDI_MODEL_ILP32: | |
| 6292 { | |
| 6293 sv_iocdata32_t ioc32; | |
| 6294 | |
| 6295 if (ddi_copyin(data, &ioc32, sizeof (ioc32), mode)) { | |
| 6296 retval = EFAULT; | |
| 6297 break; | |
| 6298 } | |
| 6299 pioc->client = (caddr_t)(uintptr_t)ioc32.client; | |
| 6300 pioc->phci = (caddr_t)(uintptr_t)ioc32.phci; | |
| 6301 pioc->addr = (caddr_t)(uintptr_t)ioc32.addr; | |
| 6302 pioc->buf_elem = (uint_t)ioc32.buf_elem; | |
| 6303 pioc->ret_buf = (sv_path_info_t *)(uintptr_t)ioc32.ret_buf; | |
| 6304 pioc->ret_elem = (uint_t *)(uintptr_t)ioc32.ret_elem; | |
| 6305 break; | |
| 6306 } | |
| 6307 | |
| 6308 case DDI_MODEL_NONE: | |
| 6309 if (ddi_copyin(data, pioc, sizeof (*pioc), mode)) { | |
| 6310 retval = EFAULT; | |
| 6311 break; | |
| 6312 } | |
| 6313 break; | |
| 6314 } | |
| 6315 #else /* _MULTI_DATAMODEL */ | |
| 6316 if (ddi_copyin(data, pioc, sizeof (*pioc), mode)) { | |
| 6317 retval = EFAULT; | |
| 6318 } | |
| 6319 #endif /* _MULTI_DATAMODEL */ | |
| 6320 | |
| 6321 #ifdef DEBUG | |
| 6322 if (retval) { | |
| 6323 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_get_ioc: cmd <%s> " | |
| 6324 "iocdata copyin failed", s)); | |
| 6325 } | |
| 6326 #endif | |
| 6327 | |
| 6328 return (retval); | |
| 6329 } | |
| 6330 | |
| 6331 | |
| 6332 /* | |
| 6333 * Routine to get the ioctl argument for ioctl causing controller switchover. | |
| 6334 */ | |
| 6335 /* ARGSUSED */ | |
| 6336 static int | |
| 6337 vhci_get_iocswitchdata(const void *data, sv_switch_to_cntlr_iocdata_t *piocsc, | |
| 6338 int mode, caddr_t s) | |
| 6339 { | |
| 6340 int retval = 0; | |
| 6341 | |
| 6342 #ifdef _MULTI_DATAMODEL | |
| 6343 switch (ddi_model_convert_from(mode & FMODELS)) { | |
| 6344 case DDI_MODEL_ILP32: | |
| 6345 { | |
| 6346 sv_switch_to_cntlr_iocdata32_t ioc32; | |
| 6347 | |
| 6348 if (ddi_copyin(data, &ioc32, sizeof (ioc32), mode)) { | |
| 6349 retval = EFAULT; | |
| 6350 break; | |
| 6351 } | |
| 6352 piocsc->client = (caddr_t)(uintptr_t)ioc32.client; | |
| 6353 piocsc->class = (caddr_t)(uintptr_t)ioc32.class; | |
| 6354 break; | |
| 6355 } | |
| 6356 | |
| 6357 case DDI_MODEL_NONE: | |
| 6358 if (ddi_copyin(data, piocsc, sizeof (*piocsc), mode)) { | |
| 6359 retval = EFAULT; | |
| 6360 } | |
| 6361 break; | |
| 6362 } | |
| 6363 #else /* _MULTI_DATAMODEL */ | |
| 6364 if (ddi_copyin(data, piocsc, sizeof (*piocsc), mode)) { | |
| 6365 retval = EFAULT; | |
| 6366 } | |
| 6367 #endif /* _MULTI_DATAMODEL */ | |
| 6368 | |
| 6369 #ifdef DEBUG | |
| 6370 if (retval) { | |
| 6371 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_get_ioc: cmd <%s> " | |
| 6372 "switch_to_cntlr_iocdata copyin failed", s)); | |
| 6373 } | |
| 6374 #endif | |
| 6375 | |
| 6376 return (retval); | |
| 6377 } | |
| 6378 | |
| 6379 | |
| 6380 /* | |
| 6381 * Routine to allocate memory for the path information structures. | |
| 6382 * It allocates two chunks of memory - one for keeping userland | |
| 6383 * pointers/values for path information and path properties, second for | |
| 6384 * keeping allocating kernel memory for path properties. These path | |
| 6385 * properties are finally copied to userland. | |
| 6386 */ | |
| 6387 /* ARGSUSED */ | |
| 6388 static int | |
| 6389 vhci_ioc_alloc_pathinfo(sv_path_info_t **upibuf, sv_path_info_t **kpibuf, | |
| 6390 uint_t num_paths, sv_iocdata_t *pioc, int mode, caddr_t s) | |
| 6391 { | |
| 6392 sv_path_info_t *pi; | |
| 6393 uint_t bufsize; | |
| 6394 int retval = 0; | |
| 6395 int index; | |
| 6396 | |
| 6397 /* Allocate memory */ | |
| 6398 *upibuf = (sv_path_info_t *) | |
| 6399 kmem_zalloc(sizeof (sv_path_info_t) * num_paths, KM_SLEEP); | |
| 6400 ASSERT(*upibuf != NULL); | |
| 6401 *kpibuf = (sv_path_info_t *) | |
| 6402 kmem_zalloc(sizeof (sv_path_info_t) * num_paths, KM_SLEEP); | |
| 6403 ASSERT(*kpibuf != NULL); | |
| 6404 | |
| 6405 /* | |
| 6406 * Get the path info structure from the user space. | |
| 6407 * We are interested in the following fields: | |
| 6408 * - user size of buffer for per path properties. | |
| 6409 * - user address of buffer for path info properties. | |
| 6410 * - user pointer for returning actual buffer size | |
| 6411 * Keep these fields in the 'upibuf' structures. | |
| 6412 * Allocate buffer for per path info properties in kernel | |
| 6413 * structure ('kpibuf'). | |
| 6414 * Size of these buffers will be equal to the size of buffers | |
| 6415 * in the user space. | |
| 6416 */ | |
| 6417 #ifdef _MULTI_DATAMODEL | |
| 6418 switch (ddi_model_convert_from(mode & FMODELS)) { | |
| 6419 case DDI_MODEL_ILP32: | |
| 6420 { | |
| 6421 sv_path_info32_t *src; | |
| 6422 sv_path_info32_t pi32; | |
| 6423 | |
| 6424 src = (sv_path_info32_t *)pioc->ret_buf; | |
| 6425 pi = (sv_path_info_t *)*upibuf; | |
| 6426 for (index = 0; index < num_paths; index++, src++, pi++) { | |
| 6427 if (ddi_copyin(src, &pi32, sizeof (pi32), mode)) { | |
| 6428 retval = EFAULT; | |
| 6429 break; | |
| 6430 } | |
| 6431 | |
| 6432 pi->ret_prop.buf_size = | |
| 6433 (uint_t)pi32.ret_prop.buf_size; | |
| 6434 pi->ret_prop.ret_buf_size = | |
| 6435 (uint_t *)(uintptr_t)pi32.ret_prop.ret_buf_size; | |
| 6436 pi->ret_prop.buf = | |
| 6437 (caddr_t)(uintptr_t)pi32.ret_prop.buf; | |
| 6438 } | |
| 6439 break; | |
| 6440 } | |
| 6441 | |
| 6442 case DDI_MODEL_NONE: | |
| 6443 if (ddi_copyin(pioc->ret_buf, *upibuf, | |
| 6444 sizeof (sv_path_info_t) * num_paths, mode)) { | |
| 6445 retval = EFAULT; | |
| 6446 } | |
| 6447 break; | |
| 6448 } | |
| 6449 #else /* _MULTI_DATAMODEL */ | |
| 6450 if (ddi_copyin(pioc->ret_buf, *upibuf, | |
| 6451 sizeof (sv_path_info_t) * num_paths, mode)) { | |
| 6452 retval = EFAULT; | |
| 6453 } | |
| 6454 #endif /* _MULTI_DATAMODEL */ | |
| 6455 | |
| 6456 if (retval != 0) { | |
| 6457 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_alloc_path_info: " | |
| 6458 "ioctl <%s> normal: path_info copyin failed", s)); | |
| 6459 kmem_free(*upibuf, sizeof (sv_path_info_t) * num_paths); | |
| 6460 kmem_free(*kpibuf, sizeof (sv_path_info_t) * num_paths); | |
| 6461 *upibuf = NULL; | |
| 6462 *kpibuf = NULL; | |
| 6463 return (retval); | |
| 6464 } | |
| 6465 | |
| 6466 /* | |
| 6467 * Allocate memory for per path properties. | |
| 6468 */ | |
| 6469 for (index = 0, pi = *kpibuf; index < num_paths; index++, pi++) { | |
| 6470 bufsize = (*upibuf)[index].ret_prop.buf_size; | |
| 6471 | |
| 6472 if (bufsize && bufsize <= SV_PROP_MAX_BUF_SIZE) { | |
| 6473 pi->ret_prop.buf_size = bufsize; | |
| 6474 pi->ret_prop.buf = (caddr_t) | |
| 6475 kmem_zalloc(bufsize, KM_SLEEP); | |
| 6476 ASSERT(pi->ret_prop.buf != NULL); | |
| 6477 } else { | |
| 6478 pi->ret_prop.buf_size = 0; | |
| 6479 pi->ret_prop.buf = NULL; | |
| 6480 } | |
| 6481 | |
| 6482 if ((*upibuf)[index].ret_prop.ret_buf_size != NULL) { | |
| 6483 pi->ret_prop.ret_buf_size = (uint_t *)kmem_zalloc( | |
| 6484 sizeof (*pi->ret_prop.ret_buf_size), KM_SLEEP); | |
| 6485 ASSERT(pi->ret_prop.ret_buf_size != NULL); | |
| 6486 } else { | |
| 6487 pi->ret_prop.ret_buf_size = NULL; | |
| 6488 } | |
| 6489 } | |
| 6490 | |
| 6491 return (0); | |
| 6492 } | |
| 6493 | |
| 6494 | |
| 6495 /* | |
| 6496 * Routine to free memory for the path information structures. | |
| 6497 * This is the memory which was allocated earlier. | |
| 6498 */ | |
| 6499 /* ARGSUSED */ | |
| 6500 static void | |
| 6501 vhci_ioc_free_pathinfo(sv_path_info_t *upibuf, sv_path_info_t *kpibuf, | |
| 6502 uint_t num_paths) | |
| 6503 { | |
| 6504 sv_path_info_t *pi; | |
| 6505 int index; | |
| 6506 | |
| 6507 /* Free memory for per path properties */ | |
| 6508 for (index = 0, pi = kpibuf; index < num_paths; index++, pi++) { | |
| 6509 if (pi->ret_prop.ret_buf_size != NULL) { | |
| 6510 kmem_free(pi->ret_prop.ret_buf_size, | |
| 6511 sizeof (*pi->ret_prop.ret_buf_size)); | |
| 6512 } | |
| 6513 | |
| 6514 if (pi->ret_prop.buf != NULL) { | |
| 6515 kmem_free(pi->ret_prop.buf, pi->ret_prop.buf_size); | |
| 6516 } | |
| 6517 } | |
| 6518 | |
| 6519 /* Free memory for path info structures */ | |
| 6520 kmem_free(upibuf, sizeof (sv_path_info_t) * num_paths); | |
| 6521 kmem_free(kpibuf, sizeof (sv_path_info_t) * num_paths); | |
| 6522 } | |
| 6523 | |
| 6524 | |
| 6525 /* | |
| 6526 * Routine to copy path information and path properties to userland. | |
| 6527 */ | |
| 6528 /* ARGSUSED */ | |
| 6529 static int | |
| 6530 vhci_ioc_send_pathinfo(sv_path_info_t *upibuf, sv_path_info_t *kpibuf, | |
| 6531 uint_t num_paths, sv_iocdata_t *pioc, int mode, caddr_t s) | |
| 6532 { | |
| 6533 int retval = 0, index; | |
| 6534 sv_path_info_t *upi_ptr; | |
| 6535 sv_path_info32_t *upi32_ptr; | |
| 6536 | |
| 6537 #ifdef _MULTI_DATAMODEL | |
| 6538 switch (ddi_model_convert_from(mode & FMODELS)) { | |
| 6539 case DDI_MODEL_ILP32: | |
| 6540 goto copy_32bit; | |
| 6541 | |
| 6542 case DDI_MODEL_NONE: | |
| 6543 goto copy_normal; | |
| 6544 } | |
| 6545 #else /* _MULTI_DATAMODEL */ | |
| 6546 | |
| 6547 goto copy_normal; | |
| 6548 | |
| 6549 #endif /* _MULTI_DATAMODEL */ | |
| 6550 | |
| 6551 copy_normal: | |
| 6552 | |
| 6553 /* | |
| 6554 * Copy path information and path properties to user land. | |
| 6555 * Pointer fields inside the path property structure were | |
| 6556 * saved in the 'upibuf' structure earlier. | |
| 6557 */ | |
| 6558 upi_ptr = pioc->ret_buf; | |
| 6559 for (index = 0; index < num_paths; index++) { | |
| 6560 if (ddi_copyout(kpibuf[index].device.ret_ct, | |
| 6561 upi_ptr[index].device.ret_ct, MAXPATHLEN, mode)) { | |
| 6562 retval = EFAULT; | |
| 6563 break; | |
| 6564 } | |
| 6565 | |
| 6566 if (ddi_copyout(kpibuf[index].ret_addr, | |
| 6567 upi_ptr[index].ret_addr, MAXNAMELEN, mode)) { | |
| 6568 retval = EFAULT; | |
| 6569 break; | |
| 6570 } | |
| 6571 | |
| 6572 if (ddi_copyout(&kpibuf[index].ret_state, | |
| 6573 &upi_ptr[index].ret_state, sizeof (kpibuf[index].ret_state), | |
| 6574 mode)) { | |
| 6575 retval = EFAULT; | |
| 6576 break; | |
| 6577 } | |
| 6578 | |
| 6579 if (ddi_copyout(&kpibuf[index].ret_ext_state, | |
| 6580 &upi_ptr[index].ret_ext_state, | |
| 6581 sizeof (kpibuf[index].ret_ext_state), mode)) { | |
| 6582 retval = EFAULT; | |
| 6583 break; | |
| 6584 } | |
| 6585 | |
| 6586 if ((kpibuf[index].ret_prop.ret_buf_size != NULL) && | |
| 6587 ddi_copyout(kpibuf[index].ret_prop.ret_buf_size, | |
| 6588 upibuf[index].ret_prop.ret_buf_size, | |
| 6589 sizeof (*upibuf[index].ret_prop.ret_buf_size), mode)) { | |
| 6590 retval = EFAULT; | |
| 6591 break; | |
| 6592 } | |
| 6593 | |
| 6594 if ((kpibuf[index].ret_prop.buf != NULL) && | |
| 6595 ddi_copyout(kpibuf[index].ret_prop.buf, | |
| 6596 upibuf[index].ret_prop.buf, | |
| 6597 upibuf[index].ret_prop.buf_size, mode)) { | |
| 6598 retval = EFAULT; | |
| 6599 break; | |
| 6600 } | |
| 6601 } | |
| 6602 | |
| 6603 #ifdef DEBUG | |
| 6604 if (retval) { | |
| 6605 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_get_ioc: ioctl <%s> " | |
| 6606 "normal: path_info copyout failed", s)); | |
| 6607 } | |
| 6608 #endif | |
| 6609 | |
| 6610 return (retval); | |
| 6611 | |
| 6612 copy_32bit: | |
| 6613 /* | |
| 6614 * Copy path information and path properties to user land. | |
| 6615 * Pointer fields inside the path property structure were | |
| 6616 * saved in the 'upibuf' structure earlier. | |
| 6617 */ | |
| 6618 upi32_ptr = (sv_path_info32_t *)pioc->ret_buf; | |
| 6619 for (index = 0; index < num_paths; index++) { | |
| 6620 if (ddi_copyout(kpibuf[index].device.ret_ct, | |
| 6621 upi32_ptr[index].device.ret_ct, MAXPATHLEN, mode)) { | |
| 6622 retval = EFAULT; | |
| 6623 break; | |
| 6624 } | |
| 6625 | |
| 6626 if (ddi_copyout(kpibuf[index].ret_addr, | |
| 6627 upi32_ptr[index].ret_addr, MAXNAMELEN, mode)) { | |
| 6628 retval = EFAULT; | |
| 6629 break; | |
| 6630 } | |
| 6631 | |
| 6632 if (ddi_copyout(&kpibuf[index].ret_state, | |
| 6633 &upi32_ptr[index].ret_state, | |
| 6634 sizeof (kpibuf[index].ret_state), mode)) { | |
| 6635 retval = EFAULT; | |
| 6636 break; | |
| 6637 } | |
| 6638 | |
| 6639 if (ddi_copyout(&kpibuf[index].ret_ext_state, | |
| 6640 &upi32_ptr[index].ret_ext_state, | |
| 6641 sizeof (kpibuf[index].ret_ext_state), mode)) { | |
| 6642 retval = EFAULT; | |
| 6643 break; | |
| 6644 } | |
| 6645 if ((kpibuf[index].ret_prop.ret_buf_size != NULL) && | |
| 6646 ddi_copyout(kpibuf[index].ret_prop.ret_buf_size, | |
| 6647 upibuf[index].ret_prop.ret_buf_size, | |
| 6648 sizeof (*upibuf[index].ret_prop.ret_buf_size), mode)) { | |
| 6649 retval = EFAULT; | |
| 6650 break; | |
| 6651 } | |
| 6652 | |
| 6653 if ((kpibuf[index].ret_prop.buf != NULL) && | |
| 6654 ddi_copyout(kpibuf[index].ret_prop.buf, | |
| 6655 upibuf[index].ret_prop.buf, | |
| 6656 upibuf[index].ret_prop.buf_size, mode)) { | |
| 6657 retval = EFAULT; | |
| 6658 break; | |
| 6659 } | |
| 6660 } | |
| 6661 | |
| 6662 #ifdef DEBUG | |
| 6663 if (retval) { | |
| 6664 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_get_ioc: ioctl <%s> " | |
| 6665 "normal: path_info copyout failed", s)); | |
| 6666 } | |
| 6667 #endif | |
| 6668 | |
| 6669 return (retval); | |
| 6670 } | |
| 6671 | |
| 6672 | |
| 6673 /* | |
| 6674 * vhci_failover() | |
| 6675 * This routine expects VHCI_HOLD_LUN before being invoked. It can be invoked | |
| 6676 * as MDI_FAILOVER_ASYNC or MDI_FAILOVER_SYNC. For Asynchronous failovers | |
| 6677 * this routine shall VHCI_RELEASE_LUN on exiting. For synchronous failovers | |
| 6678 * it is the callers responsibility to release lun. | |
| 6679 */ | |
| 6680 | |
| 6681 /* ARGSUSED */ | |
| 6682 static int | |
| 6683 vhci_failover(dev_info_t *vdip, dev_info_t *cdip, int flags) | |
| 6684 { | |
| 6685 char *guid; | |
| 6686 scsi_vhci_lun_t *vlun = NULL; | |
| 6687 struct scsi_vhci *vhci; | |
| 6688 mdi_pathinfo_t *pip, *npip; | |
| 6689 char *s_pclass, *pclass1, *pclass2, *pclass; | |
| 6690 char active_pclass_copy[255], *active_pclass_ptr; | |
| 6691 char *ptr1, *ptr2; | |
| 6692 mdi_pathinfo_state_t pi_state; | |
| 6693 uint32_t pi_ext_state; | |
| 6694 scsi_vhci_priv_t *svp; | |
| 6695 struct scsi_device *sd; | |
| 6696 struct scsi_failover_ops *sfo; | |
| 6697 int sps; /* mdi_select_path() status */ | |
| 6698 int activation_done = 0; | |
| 6699 int rval, retval = MDI_FAILURE; | |
| 6700 int reserve_pending, check_condition, UA_condition; | |
| 6701 struct scsi_pkt *pkt; | |
| 6702 struct buf *bp; | |
| 6703 | |
| 6704 vhci = ddi_get_soft_state(vhci_softstate, ddi_get_instance(vdip)); | |
| 6705 sd = ddi_get_driver_private(cdip); | |
| 6706 vlun = ADDR2VLUN(&sd->sd_address); | |
| 6707 ASSERT(vlun != 0); | |
| 6708 ASSERT(VHCI_LUN_IS_HELD(vlun)); | |
| 6709 guid = vlun->svl_lun_wwn; | |
| 6710 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(1): guid %s\n", guid)); | |
| 6711 vhci_log(CE_NOTE, vdip, "!Initiating failover for device %s " | |
| 6712 "(GUID %s)", ddi_node_name(cdip), guid); | |
| 6713 | |
| 6714 /* | |
| 6715 * Lets maintain a local copy of the vlun->svl_active_pclass | |
| 6716 * for the rest of the processing. Accessing the field | |
| 6717 * directly in the loop below causes loop logic to break | |
| 6718 * especially when the field gets updated by other threads | |
| 6719 * update path status etc and causes 'paths are not currently | |
| 6720 * available' condition to be declared prematurely. | |
| 6721 */ | |
| 6722 mutex_enter(&vlun->svl_mutex); | |
| 6723 if (vlun->svl_active_pclass != NULL) { | |
| 6724 (void) strlcpy(active_pclass_copy, vlun->svl_active_pclass, | |
| 6725 sizeof (active_pclass_copy)); | |
| 6726 active_pclass_ptr = &active_pclass_copy[0]; | |
| 6727 mutex_exit(&vlun->svl_mutex); | |
| 6728 if (vhci_quiesce_paths(vdip, cdip, vlun, guid, | |
| 6729 active_pclass_ptr) != 0) { | |
| 6730 retval = MDI_FAILURE; | |
| 6731 } | |
| 6732 } else { | |
| 6733 /* | |
| 6734 * can happen only when the available path to device | |
| 6735 * discovered is a STANDBY path. | |
| 6736 */ | |
| 6737 mutex_exit(&vlun->svl_mutex); | |
| 6738 active_pclass_copy[0] = '\0'; | |
| 6739 active_pclass_ptr = NULL; | |
| 6740 } | |
| 6741 | |
| 6742 sfo = vlun->svl_fops; | |
| 6743 ASSERT(sfo != NULL); | |
| 6744 pclass1 = s_pclass = active_pclass_ptr; | |
| 6745 VHCI_DEBUG(1, (CE_NOTE, NULL, "!(%s)failing over from %s\n", guid, | |
| 6746 (s_pclass == NULL ? "<none>" : s_pclass))); | |
| 6747 | |
| 6748 next_pathclass: | |
| 6749 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
6750 rval = sfo->sfo_pathclass_next(pclass1, &pclass2, |
| 4851 | 6751 vlun->svl_fops_ctpriv); |
| 6752 if (rval == ENOENT) { | |
| 6753 if (s_pclass == NULL) { | |
| 6754 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(4)(%s): " | |
| 6755 "failed, no more pathclasses\n", guid)); | |
| 6756 goto done; | |
| 6757 } else { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
6758 (void) sfo->sfo_pathclass_next(NULL, &pclass2, |
| 4851 | 6759 vlun->svl_fops_ctpriv); |
| 6760 } | |
| 6761 } else if (rval == EINVAL) { | |
| 6762 vhci_log(CE_NOTE, vdip, "!Failover operation failed for " | |
| 6763 "device %s (GUID %s): Invalid path-class %s", | |
| 6764 ddi_node_name(cdip), guid, | |
| 6765 ((pclass1 == NULL) ? "<none>" : pclass1)); | |
| 6766 goto done; | |
| 6767 } | |
| 6768 if ((s_pclass != NULL) && (strcmp(pclass2, s_pclass) == 0)) { | |
| 6769 /* | |
| 6770 * paths are not currently available | |
| 6771 */ | |
| 6772 vhci_log(CE_NOTE, vdip, "!Failover path currently unavailable" | |
| 6773 " for device %s (GUID %s)", | |
| 6774 ddi_node_name(cdip), guid); | |
| 6775 goto done; | |
| 6776 } | |
| 6777 pip = npip = NULL; | |
| 6778 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(5.2)(%s): considering " | |
| 6779 "%s as failover destination\n", guid, pclass2)); | |
| 6780 sps = mdi_select_path(cdip, NULL, MDI_SELECT_STANDBY_PATH, NULL, &npip); | |
| 6781 if ((npip == NULL) || (sps != MDI_SUCCESS)) { | |
| 6782 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(%s): no " | |
| 6783 "STANDBY paths found (status:%x)!\n", guid, sps)); | |
| 6784 pclass1 = pclass2; | |
| 6785 goto next_pathclass; | |
| 6786 } | |
| 6787 do { | |
| 6788 pclass = NULL; | |
| 6789 if ((mdi_prop_lookup_string(npip, "path-class", | |
| 6790 &pclass) != MDI_SUCCESS) || (strcmp(pclass2, | |
| 6791 pclass) != 0)) { | |
| 6792 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6793 "!vhci_failover(5.5)(%s): skipping path " | |
| 6794 "%p(%s)...\n", guid, (void *)npip, pclass)); | |
| 6795 pip = npip; | |
| 6796 sps = mdi_select_path(cdip, NULL, | |
| 6797 MDI_SELECT_STANDBY_PATH, pip, &npip); | |
| 6798 mdi_rele_path(pip); | |
| 6799 (void) mdi_prop_free(pclass); | |
| 6800 continue; | |
| 6801 } | |
| 6802 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(npip); | |
| 6803 | |
| 6804 /* | |
| 6805 * Issue READ at non-zer block on this STANDBY path. | |
| 6806 * Purple returns | |
| 6807 * 1. RESERVATION_CONFLICT if reservation is pending | |
| 6808 * 2. POR check condition if it reset happened. | |
| 6809 * 2. failover Check Conditions if one is already in progress. | |
| 6810 */ | |
| 6811 reserve_pending = 0; | |
| 6812 check_condition = 0; | |
| 6813 UA_condition = 0; | |
| 6814 | |
| 6815 bp = scsi_alloc_consistent_buf(&svp->svp_psd->sd_address, | |
| 6816 (struct buf *)NULL, DEV_BSIZE, B_READ, NULL, NULL); | |
| 6817 if (!bp) { | |
| 6818 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6819 "vhci_failover !No resources (buf)\n")); | |
| 6820 mdi_rele_path(npip); | |
| 6821 goto done; | |
| 6822 } | |
| 6823 pkt = scsi_init_pkt(&svp->svp_psd->sd_address, NULL, bp, | |
| 6824 CDB_GROUP1, sizeof (struct scsi_arq_status), 0, | |
| 6825 PKT_CONSISTENT, NULL, NULL); | |
| 6826 if (pkt) { | |
| 6827 (void) scsi_setup_cdb((union scsi_cdb *)(uintptr_t) | |
| 6828 pkt->pkt_cdbp, SCMD_READ, 1, 1, 0); | |
| 6829 pkt->pkt_flags = FLAG_NOINTR; | |
| 6830 check_path_again: | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
6831 pkt->pkt_path_instance = mdi_pi_get_path_instance(npip); |
| 4851 | 6832 pkt->pkt_time = 3*30; |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
6833 |
| 4851 | 6834 if (scsi_transport(pkt) == TRAN_ACCEPT) { |
| 6835 switch (pkt->pkt_reason) { | |
| 6836 case CMD_CMPLT: | |
| 6837 switch (SCBP_C(pkt)) { | |
| 6838 case STATUS_GOOD: | |
| 6839 /* Already failed over */ | |
| 6840 activation_done = 1; | |
| 6841 break; | |
| 6842 case STATUS_RESERVATION_CONFLICT: | |
| 6843 reserve_pending = 1; | |
| 6844 break; | |
| 6845 case STATUS_CHECK: | |
| 6846 check_condition = 1; | |
| 6847 break; | |
| 6848 } | |
| 6849 } | |
| 6850 } | |
| 6851 if (check_condition && | |
| 6852 (pkt->pkt_state & STATE_ARQ_DONE)) { | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6853 uint8_t *sns, skey, asc, ascq; |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6854 sns = (uint8_t *) |
| 4851 | 6855 &(((struct scsi_arq_status *)(uintptr_t) |
| 6856 (pkt->pkt_scbp))->sts_sensedata); | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6857 skey = scsi_sense_key(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6858 asc = scsi_sense_asc(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6859 ascq = scsi_sense_ascq(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6860 if (skey == KEY_UNIT_ATTENTION && |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6861 asc == 0x29) { |
| 4851 | 6862 /* Already failed over */ |
| 6863 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6864 "!vhci_failover(7)(%s): " | |
| 6865 "path 0x%p POR UA condition\n", | |
| 6866 guid, (void *)npip)); | |
| 6867 if (UA_condition == 0) { | |
| 6868 UA_condition = 1; | |
| 6869 goto check_path_again; | |
| 6870 } | |
| 6871 } else { | |
| 6872 activation_done = 0; | |
| 6873 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6874 "!vhci_failover(%s): path 0x%p " | |
| 6875 "unhandled chkcond %x %x %x\n", | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6876 guid, (void *)npip, skey, |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
6877 asc, ascq)); |
| 4851 | 6878 } |
| 6879 } | |
| 6880 scsi_destroy_pkt(pkt); | |
| 6881 } | |
| 6882 scsi_free_consistent_buf(bp); | |
| 6883 | |
| 6884 if (activation_done) { | |
| 6885 mdi_rele_path(npip); | |
| 6886 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(7)(%s): " | |
| 6887 "path 0x%p already failedover\n", guid, | |
| 6888 (void *)npip)); | |
| 6889 break; | |
| 6890 } | |
| 6891 if (reserve_pending && (vlun->svl_xlf_capable == 0)) { | |
| 6892 (void) vhci_recovery_reset(vlun, | |
| 6893 &svp->svp_psd->sd_address, | |
| 6894 FALSE, VHCI_DEPTH_ALL); | |
| 6895 } | |
| 6896 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(6)(%s): " | |
| 6897 "activating path 0x%p(psd:%p)\n", guid, (void *)npip, | |
| 6898 (void *)svp->svp_psd)); | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
6899 if (sfo->sfo_path_activate(svp->svp_psd, pclass2, |
| 4851 | 6900 vlun->svl_fops_ctpriv) == 0) { |
| 6901 activation_done = 1; | |
| 6902 mdi_rele_path(npip); | |
| 6903 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(7)(%s): " | |
| 6904 "path 0x%p successfully activated\n", guid, | |
| 6905 (void *)npip)); | |
| 6906 break; | |
| 6907 } | |
| 6908 pip = npip; | |
| 6909 sps = mdi_select_path(cdip, NULL, MDI_SELECT_STANDBY_PATH, | |
| 6910 pip, &npip); | |
| 6911 mdi_rele_path(pip); | |
| 6912 } while ((npip != NULL) && (sps == MDI_SUCCESS)); | |
| 6913 if (activation_done == 0) { | |
| 6914 pclass1 = pclass2; | |
| 6915 goto next_pathclass; | |
| 6916 } | |
| 6917 | |
| 6918 /* | |
| 6919 * if we are here, we have succeeded in activating path npip of | |
| 6920 * pathclass pclass2; let us validate all paths of pclass2 by | |
| 6921 * "ping"-ing each one and mark the good ones ONLINE | |
| 6922 * Also, set the state of the paths belonging to the previously | |
| 6923 * active pathclass to STANDBY | |
| 6924 */ | |
| 6925 pip = npip = NULL; | |
| 6926 sps = mdi_select_path(cdip, NULL, (MDI_SELECT_ONLINE_PATH | | |
| 6927 MDI_SELECT_STANDBY_PATH | MDI_SELECT_USER_DISABLE_PATH), | |
| 6928 NULL, &npip); | |
| 6929 if (npip == NULL || sps != MDI_SUCCESS) { | |
| 6930 VHCI_DEBUG(1, (CE_NOTE, NULL, "!Failover operation failed for " | |
| 6931 "device %s (GUID %s): paths may be busy\n", | |
| 6932 ddi_node_name(cdip), guid)); | |
| 6933 goto done; | |
| 6934 } | |
| 6935 do { | |
| 6936 (void) mdi_pi_get_state2(npip, &pi_state, &pi_ext_state); | |
| 6937 if (mdi_prop_lookup_string(npip, "path-class", &pclass) | |
| 6938 != MDI_SUCCESS) { | |
| 6939 pip = npip; | |
| 6940 sps = mdi_select_path(cdip, NULL, | |
| 6941 (MDI_SELECT_ONLINE_PATH | | |
| 6942 MDI_SELECT_STANDBY_PATH | | |
| 6943 MDI_SELECT_USER_DISABLE_PATH), | |
| 6944 pip, &npip); | |
| 6945 mdi_rele_path(pip); | |
| 6946 continue; | |
| 6947 } | |
| 6948 if (strcmp(pclass, pclass2) == 0) { | |
| 6949 if (pi_state == MDI_PATHINFO_STATE_STANDBY) { | |
| 6950 svp = (scsi_vhci_priv_t *) | |
| 6951 mdi_pi_get_vhci_private(npip); | |
| 6952 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6953 "!vhci_failover(8)(%s): " | |
| 6954 "pinging path 0x%p\n", | |
| 6955 guid, (void *)npip)); | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
6956 if (sfo->sfo_path_ping(svp->svp_psd, |
| 4851 | 6957 vlun->svl_fops_ctpriv) == 1) { |
| 6958 mdi_pi_set_state(npip, | |
| 6959 MDI_PATHINFO_STATE_ONLINE); | |
| 6960 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6961 "!vhci_failover(9)(%s): " | |
| 6962 "path 0x%p ping successful, " | |
| 6963 "marked online\n", guid, | |
| 6964 (void *)npip)); | |
| 6965 MDI_PI_ERRSTAT(npip, MDI_PI_FAILTO); | |
| 6966 } | |
| 6967 } | |
| 6968 } else if ((s_pclass != NULL) && (strcmp(pclass, s_pclass) | |
| 6969 == 0)) { | |
| 6970 if (pi_state == MDI_PATHINFO_STATE_ONLINE) { | |
| 6971 mdi_pi_set_state(npip, | |
| 6972 MDI_PATHINFO_STATE_STANDBY); | |
| 6973 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 6974 "!vhci_failover(10)(%s): path 0x%p marked " | |
| 6975 "STANDBY\n", guid, (void *)npip)); | |
| 6976 MDI_PI_ERRSTAT(npip, MDI_PI_FAILFROM); | |
| 6977 } | |
| 6978 } | |
| 6979 (void) mdi_prop_free(pclass); | |
| 6980 pip = npip; | |
| 6981 sps = mdi_select_path(cdip, NULL, (MDI_SELECT_ONLINE_PATH | | |
| 6982 MDI_SELECT_STANDBY_PATH|MDI_SELECT_USER_DISABLE_PATH), | |
| 6983 pip, &npip); | |
| 6984 mdi_rele_path(pip); | |
| 6985 } while ((npip != NULL) && (sps == MDI_SUCCESS)); | |
| 6986 | |
| 6987 /* | |
| 6988 * Update the AccessState of related MP-API TPGs | |
| 6989 */ | |
| 6990 (void) vhci_mpapi_update_tpg_acc_state_for_lu(vhci, vlun); | |
| 6991 | |
| 6992 vhci_log(CE_NOTE, vdip, "!Failover operation completed successfully " | |
| 6993 "for device %s (GUID %s): failed over from %s to %s", | |
| 6994 ddi_node_name(cdip), guid, ((s_pclass == NULL) ? "<none>" : | |
| 6995 s_pclass), pclass2); | |
| 6996 ptr1 = kmem_alloc(strlen(pclass2)+1, KM_SLEEP); | |
| 6997 (void) strlcpy(ptr1, pclass2, (strlen(pclass2)+1)); | |
| 6998 mutex_enter(&vlun->svl_mutex); | |
| 6999 ptr2 = vlun->svl_active_pclass; | |
| 7000 vlun->svl_active_pclass = ptr1; | |
| 7001 mutex_exit(&vlun->svl_mutex); | |
| 7002 if (ptr2) { | |
| 7003 kmem_free(ptr2, strlen(ptr2)+1); | |
| 7004 } | |
| 7005 mutex_enter(&vhci->vhci_mutex); | |
| 7006 scsi_hba_reset_notify_callback(&vhci->vhci_mutex, | |
| 7007 &vhci->vhci_reset_notify_listf); | |
| 7008 /* All reservations are cleared upon these resets. */ | |
| 7009 vlun->svl_flags &= ~VLUN_RESERVE_ACTIVE_FLG; | |
| 7010 mutex_exit(&vhci->vhci_mutex); | |
| 7011 VHCI_DEBUG(1, (CE_NOTE, NULL, "!vhci_failover(11): DONE! Active " | |
| 7012 "pathclass for %s is now %s\n", guid, pclass2)); | |
| 7013 retval = MDI_SUCCESS; | |
| 7014 | |
| 7015 done: | |
| 7016 if (flags == MDI_FAILOVER_ASYNC) { | |
| 7017 VHCI_RELEASE_LUN(vlun); | |
| 7018 VHCI_DEBUG(6, (CE_NOTE, NULL, "!vhci_failover(12): DONE! " | |
| 7019 "releasing lun, as failover was ASYNC\n")); | |
| 7020 } else { | |
| 7021 VHCI_DEBUG(6, (CE_NOTE, NULL, "!vhci_failover(12): DONE! " | |
| 7022 "NOT releasing lun, as failover was SYNC\n")); | |
| 7023 } | |
| 7024 return (retval); | |
| 7025 } | |
| 7026 | |
| 7027 /* | |
| 7028 * vhci_client_attached is called after the successful attach of a | |
| 7029 * client devinfo node. | |
| 7030 */ | |
| 7031 static void | |
| 7032 vhci_client_attached(dev_info_t *cdip) | |
| 7033 { | |
| 7034 mdi_pathinfo_t *pip; | |
| 7035 int circular; | |
| 7036 | |
| 7037 /* | |
| 7038 * At this point the client has attached and it's instance number is | |
| 7039 * valid, so we can set up kstats. We need to do this here because it | |
| 7040 * is possible for paths to go online prior to client attach, in which | |
| 7041 * case the call to vhci_kstat_create_pathinfo in vhci_pathinfo_online | |
| 7042 * was a noop. | |
| 7043 */ | |
| 7044 ndi_devi_enter(cdip, &circular); | |
| 7045 for (pip = mdi_get_next_phci_path(cdip, NULL); pip; | |
| 7046 pip = mdi_get_next_phci_path(cdip, pip)) | |
| 7047 vhci_kstat_create_pathinfo(pip); | |
| 7048 ndi_devi_exit(cdip, circular); | |
| 7049 } | |
| 7050 | |
| 7051 /* | |
| 7052 * quiesce all of the online paths | |
| 7053 */ | |
| 7054 static int | |
| 7055 vhci_quiesce_paths(dev_info_t *vdip, dev_info_t *cdip, scsi_vhci_lun_t *vlun, | |
| 7056 char *guid, char *active_pclass_ptr) | |
| 7057 { | |
| 7058 scsi_vhci_priv_t *svp; | |
| 7059 char *s_pclass = NULL; | |
| 7060 mdi_pathinfo_t *npip, *pip; | |
| 7061 int sps; | |
| 7062 | |
| 7063 /* quiesce currently active paths */ | |
| 7064 s_pclass = NULL; | |
| 7065 pip = npip = NULL; | |
| 7066 sps = mdi_select_path(cdip, NULL, MDI_SELECT_ONLINE_PATH, NULL, &npip); | |
| 7067 if ((npip == NULL) || (sps != MDI_SUCCESS)) { | |
| 7068 return (1); | |
| 7069 } | |
| 7070 do { | |
| 7071 if (mdi_prop_lookup_string(npip, "path-class", | |
| 7072 &s_pclass) != MDI_SUCCESS) { | |
| 7073 mdi_rele_path(npip); | |
| 7074 vhci_log(CE_NOTE, vdip, "!Failover operation failed " | |
| 7075 "for device %s (GUID %s) due to an internal " | |
| 7076 "error", ddi_node_name(cdip), guid); | |
| 7077 return (1); | |
| 7078 } | |
| 7079 if (strcmp(s_pclass, active_pclass_ptr) == 0) { | |
| 7080 /* | |
| 7081 * quiesce path. Free s_pclass since | |
| 7082 * we don't need it anymore | |
| 7083 */ | |
| 7084 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7085 "!vhci_failover(2)(%s): failing over " | |
| 7086 "from %s; quiescing path %p\n", | |
| 7087 guid, s_pclass, (void *)npip)); | |
| 7088 (void) mdi_prop_free(s_pclass); | |
| 7089 svp = (scsi_vhci_priv_t *) | |
| 7090 mdi_pi_get_vhci_private(npip); | |
| 7091 if (svp == NULL) { | |
| 7092 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7093 "!vhci_failover(2.5)(%s): no " | |
| 7094 "client priv! %p offlined?\n", | |
| 7095 guid, (void *)npip)); | |
| 7096 pip = npip; | |
| 7097 sps = mdi_select_path(cdip, NULL, | |
| 7098 MDI_SELECT_ONLINE_PATH, pip, &npip); | |
| 7099 mdi_rele_path(pip); | |
| 7100 continue; | |
| 7101 } | |
| 7102 if (scsi_abort(&svp->svp_psd->sd_address, NULL) | |
| 7103 == 0) { | |
| 7104 (void) vhci_recovery_reset(vlun, | |
| 7105 &svp->svp_psd->sd_address, FALSE, | |
| 7106 VHCI_DEPTH_TARGET); | |
| 7107 } | |
| 7108 mutex_enter(&svp->svp_mutex); | |
| 7109 if (svp->svp_cmds == 0) { | |
| 7110 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7111 "!vhci_failover(3)(%s):" | |
| 7112 "quiesced path %p\n", guid, (void *)npip)); | |
| 7113 } else { | |
| 7114 while (svp->svp_cmds != 0) { | |
| 7115 cv_wait(&svp->svp_cv, &svp->svp_mutex); | |
| 7116 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7117 "!vhci_failover(3.cv)(%s):" | |
| 7118 "quiesced path %p\n", guid, | |
| 7119 (void *)npip)); | |
| 7120 } | |
| 7121 } | |
| 7122 mutex_exit(&svp->svp_mutex); | |
| 7123 } else { | |
| 7124 /* | |
| 7125 * make sure we freeup the memory | |
| 7126 */ | |
| 7127 (void) mdi_prop_free(s_pclass); | |
| 7128 } | |
| 7129 pip = npip; | |
| 7130 sps = mdi_select_path(cdip, NULL, MDI_SELECT_ONLINE_PATH, | |
| 7131 pip, &npip); | |
| 7132 mdi_rele_path(pip); | |
| 7133 } while ((npip != NULL) && (sps == MDI_SUCCESS)); | |
| 7134 return (0); | |
| 7135 } | |
| 7136 | |
| 7137 static struct scsi_vhci_lun * | |
| 7138 vhci_lun_lookup(dev_info_t *tgt_dip) | |
| 7139 { | |
| 7140 return ((struct scsi_vhci_lun *) | |
| 7141 mdi_client_get_vhci_private(tgt_dip)); | |
| 7142 } | |
| 7143 | |
| 7144 static struct scsi_vhci_lun * | |
| 7145 vhci_lun_lookup_alloc(dev_info_t *tgt_dip, char *guid, int *didalloc) | |
| 7146 { | |
| 7147 struct scsi_vhci_lun *svl; | |
| 7148 | |
| 7149 if (svl = vhci_lun_lookup(tgt_dip)) { | |
| 7150 return (svl); | |
| 7151 } | |
| 7152 | |
| 7153 svl = kmem_zalloc(sizeof (*svl), KM_SLEEP); | |
| 7154 svl->svl_lun_wwn = kmem_zalloc(strlen(guid)+1, KM_SLEEP); | |
| 7155 (void) strcpy(svl->svl_lun_wwn, guid); | |
| 7156 mutex_init(&svl->svl_mutex, NULL, MUTEX_DRIVER, NULL); | |
| 7157 cv_init(&svl->svl_cv, NULL, CV_DRIVER, NULL); | |
| 7158 sema_init(&svl->svl_pgr_sema, 1, NULL, SEMA_DRIVER, NULL); | |
| 7159 svl->svl_waiting_for_activepath = 1; | |
| 7160 svl->svl_sector_size = 1; | |
| 7161 mdi_client_set_vhci_private(tgt_dip, svl); | |
| 7162 *didalloc = 1; | |
| 7163 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7164 "vhci_lun_lookup_alloc: guid %s vlun 0x%p\n", | |
| 7165 guid, (void *)svl)); | |
| 7166 return (svl); | |
| 7167 } | |
| 7168 | |
| 7169 static void | |
| 7170 vhci_lun_free(dev_info_t *tgt_dip) | |
| 7171 { | |
| 7172 struct scsi_vhci_lun *dvlp; | |
| 7173 char *guid; | |
|
4882
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7174 struct scsi_device *sd; |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7175 |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7176 /* |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7177 * The scsi_device was set to driver private during child node |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7178 * initialization in the scsi_hba_bus_ctl(). |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7179 */ |
|
272a171bc996
6531069 SCSI2 (tc_mhioctkown test cases) testing are showing UNRESOLVED results for ST2530
jw149990
parents:
4851
diff
changeset
|
7180 sd = (struct scsi_device *)ddi_get_driver_private(tgt_dip); |
| 4851 | 7181 |
| 7182 dvlp = (struct scsi_vhci_lun *) | |
| 7183 mdi_client_get_vhci_private(tgt_dip); | |
| 7184 ASSERT(dvlp != NULL); | |
| 7185 | |
| 7186 mdi_client_set_vhci_private(tgt_dip, NULL); | |
| 7187 | |
| 7188 guid = dvlp->svl_lun_wwn; | |
| 7189 ASSERT(guid != NULL); | |
| 7190 VHCI_DEBUG(4, (CE_NOTE, NULL, "!vhci_lun_free: %s\n", guid)); | |
| 7191 | |
| 7192 mutex_enter(&dvlp->svl_mutex); | |
| 7193 if (dvlp->svl_active_pclass != NULL) { | |
| 7194 kmem_free(dvlp->svl_active_pclass, | |
| 7195 strlen(dvlp->svl_active_pclass)+1); | |
| 7196 } | |
| 7197 dvlp->svl_active_pclass = NULL; | |
| 7198 mutex_exit(&dvlp->svl_mutex); | |
| 7199 | |
| 7200 if (dvlp->svl_lun_wwn != NULL) { | |
| 7201 kmem_free(dvlp->svl_lun_wwn, strlen(dvlp->svl_lun_wwn)+1); | |
| 7202 } | |
| 7203 dvlp->svl_lun_wwn = NULL; | |
| 7204 | |
| 7205 if (dvlp->svl_fops_name) { | |
| 7206 kmem_free(dvlp->svl_fops_name, strlen(dvlp->svl_fops_name)+1); | |
| 7207 } | |
| 7208 dvlp->svl_fops_name = NULL; | |
| 7209 | |
|
10098
14f64874e00c
6855459 Null pointer panic in the scsi_vhci module snv build 115 sparc
wl202157@icefox
parents:
9667
diff
changeset
|
7210 if (dvlp->svl_fops_ctpriv != NULL && |
|
14f64874e00c
6855459 Null pointer panic in the scsi_vhci module snv build 115 sparc
wl202157@icefox
parents:
9667
diff
changeset
|
7211 dvlp->svl_fops != NULL) { |
|
6023
9adf47ae28c4
6634757 add support for the HDS midrange array subsystem
cm136836
parents:
4949
diff
changeset
|
7212 dvlp->svl_fops->sfo_device_unprobe(sd, dvlp->svl_fops_ctpriv); |
|
9adf47ae28c4
6634757 add support for the HDS midrange array subsystem
cm136836
parents:
4949
diff
changeset
|
7213 } |
|
9adf47ae28c4
6634757 add support for the HDS midrange array subsystem
cm136836
parents:
4949
diff
changeset
|
7214 |
| 4851 | 7215 if (dvlp->svl_flags & VLUN_TASK_D_ALIVE_FLG) |
| 7216 taskq_destroy(dvlp->svl_taskq); | |
| 7217 | |
| 7218 mutex_destroy(&dvlp->svl_mutex); | |
| 7219 cv_destroy(&dvlp->svl_cv); | |
| 7220 sema_destroy(&dvlp->svl_pgr_sema); | |
| 7221 kmem_free(dvlp, sizeof (*dvlp)); | |
|
4896
ff3edba9ce8c
6594084 fixing of 6591973 could cause system panic.
jw149990
parents:
4882
diff
changeset
|
7222 /* |
|
ff3edba9ce8c
6594084 fixing of 6591973 could cause system panic.
jw149990
parents:
4882
diff
changeset
|
7223 * vhci_lun_free may be called before the tgt_dip |
|
ff3edba9ce8c
6594084 fixing of 6591973 could cause system panic.
jw149990
parents:
4882
diff
changeset
|
7224 * initialization so check if the sd is NULL. |
|
ff3edba9ce8c
6594084 fixing of 6591973 could cause system panic.
jw149990
parents:
4882
diff
changeset
|
7225 */ |
|
ff3edba9ce8c
6594084 fixing of 6591973 could cause system panic.
jw149990
parents:
4882
diff
changeset
|
7226 if (sd != NULL) |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
7227 scsi_device_hba_private_set(sd, NULL); |
| 4851 | 7228 } |
| 7229 | |
| 7230 int | |
| 7231 vhci_do_scsi_cmd(struct scsi_pkt *pkt) | |
| 7232 { | |
| 7233 int err = 0; | |
| 7234 int retry_cnt = 0; | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7235 uint8_t *sns, skey; |
| 4851 | 7236 |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7237 #ifdef DEBUG |
|
6962
225346ebbb42
6719151 scsi_vhci debug kernels spews a *lot* on the console during boot
rralphs
parents:
6941
diff
changeset
|
7238 if (vhci_debug > 5) { |
|
225346ebbb42
6719151 scsi_vhci debug kernels spews a *lot* on the console during boot
rralphs
parents:
6941
diff
changeset
|
7239 vhci_print_cdb(pkt->pkt_address.a_hba_tran->tran_hba_dip, |
|
225346ebbb42
6719151 scsi_vhci debug kernels spews a *lot* on the console during boot
rralphs
parents:
6941
diff
changeset
|
7240 CE_WARN, "Vhci command", pkt->pkt_cdbp); |
|
225346ebbb42
6719151 scsi_vhci debug kernels spews a *lot* on the console during boot
rralphs
parents:
6941
diff
changeset
|
7241 } |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7242 #endif |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7243 |
| 4851 | 7244 retry: |
| 7245 err = scsi_poll(pkt); | |
| 7246 if (err) { | |
| 7247 if (pkt->pkt_cdbp[0] == SCMD_RELEASE) { | |
| 7248 if (SCBP_C(pkt) == STATUS_RESERVATION_CONFLICT) { | |
| 7249 VHCI_DEBUG(1, (CE_NOTE, NULL, | |
| 7250 "!v_s_do_s_c: RELEASE conflict\n")); | |
| 7251 return (0); | |
| 7252 } | |
| 7253 } | |
| 7254 if (retry_cnt++ < 3) { | |
| 7255 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 7256 "!v_s_do_s_c:retry packet 0x%p " | |
| 7257 "status 0x%x reason %s", | |
| 7258 (void *)pkt, SCBP_C(pkt), | |
| 7259 scsi_rname(pkt->pkt_reason))); | |
| 7260 if ((pkt->pkt_reason == CMD_CMPLT) && | |
| 7261 (SCBP_C(pkt) == STATUS_CHECK) && | |
| 7262 (pkt->pkt_state & STATE_ARQ_DONE)) { | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7263 sns = (uint8_t *) |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7264 &(((struct scsi_arq_status *)(uintptr_t) |
| 4851 | 7265 (pkt->pkt_scbp))->sts_sensedata); |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7266 skey = scsi_sense_key(sns); |
| 4851 | 7267 VHCI_DEBUG(1, (CE_WARN, NULL, |
| 7268 "!v_s_do_s_c:retry " | |
| 7269 "packet 0x%p sense data %s", (void *)pkt, | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7270 scsi_sname(skey))); |
| 4851 | 7271 } |
| 7272 goto retry; | |
| 7273 } | |
| 7274 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 7275 "!v_s_do_s_c: failed transport 0x%p 0x%x", | |
| 7276 (void *)pkt, SCBP_C(pkt))); | |
| 7277 return (0); | |
| 7278 } | |
| 7279 | |
| 7280 switch (pkt->pkt_reason) { | |
| 7281 case CMD_TIMEOUT: | |
| 7282 VHCI_DEBUG(1, (CE_WARN, NULL, "!pkt timed " | |
| 7283 "out (pkt 0x%p)", (void *)pkt)); | |
| 7284 return (0); | |
| 7285 case CMD_CMPLT: | |
| 7286 switch (SCBP_C(pkt)) { | |
| 7287 case STATUS_GOOD: | |
| 7288 break; | |
| 7289 case STATUS_CHECK: | |
| 7290 if (pkt->pkt_state & STATE_ARQ_DONE) { | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7291 sns = (uint8_t *)&((( |
| 4851 | 7292 struct scsi_arq_status *) |
| 7293 (uintptr_t) | |
| 7294 (pkt->pkt_scbp))-> | |
| 7295 sts_sensedata); | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7296 skey = scsi_sense_key(sns); |
|
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7297 if ((skey == |
| 4851 | 7298 KEY_UNIT_ATTENTION) || |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7299 (skey == |
| 4851 | 7300 KEY_NOT_READY)) { |
| 7301 /* | |
| 7302 * clear unit attn. | |
| 7303 */ | |
| 7304 | |
| 7305 VHCI_DEBUG(1, | |
| 7306 (CE_WARN, NULL, | |
| 7307 "!v_s_do_s_c: " | |
| 7308 "retry " | |
| 7309 "packet 0x%p sense " | |
| 7310 "data %s", | |
| 7311 (void *)pkt, | |
| 7312 scsi_sname | |
|
9304
ff96a286a5d4
6783286 STMS: Host loses access to data on >1TB volumes when there's an external failover on asymm arrays
wl202157@icefox
parents:
9167
diff
changeset
|
7313 (skey))); |
| 4851 | 7314 goto retry; |
| 7315 } | |
| 7316 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 7317 "!ARQ while " | |
| 7318 "transporting " | |
| 7319 "(pkt 0x%p)", | |
| 7320 (void *)pkt)); | |
| 7321 return (0); | |
| 7322 } | |
| 7323 return (0); | |
| 7324 default: | |
| 7325 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 7326 "!Bad status returned " | |
| 7327 "(pkt 0x%p, status %x)", | |
| 7328 (void *)pkt, SCBP_C(pkt))); | |
| 7329 return (0); | |
| 7330 } | |
| 7331 break; | |
| 7332 case CMD_INCOMPLETE: | |
| 7333 case CMD_RESET: | |
| 7334 case CMD_ABORTED: | |
| 7335 case CMD_TRAN_ERR: | |
| 7336 if (retry_cnt++ < 1) { | |
| 7337 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 7338 "!v_s_do_s_c: retry packet 0x%p %s", | |
| 7339 (void *)pkt, scsi_rname(pkt->pkt_reason))); | |
| 7340 goto retry; | |
| 7341 } | |
| 7342 /* FALLTHROUGH */ | |
| 7343 default: | |
| 7344 VHCI_DEBUG(1, (CE_WARN, NULL, "!pkt did not " | |
| 7345 "complete successfully (pkt 0x%p," | |
| 7346 "reason %x)", (void *)pkt, pkt->pkt_reason)); | |
| 7347 return (0); | |
| 7348 } | |
| 7349 return (1); | |
| 7350 } | |
| 7351 | |
| 7352 static int | |
| 7353 vhci_quiesce_lun(struct scsi_vhci_lun *vlun) | |
| 7354 { | |
| 7355 mdi_pathinfo_t *pip, *spip; | |
| 7356 dev_info_t *cdip; | |
| 7357 struct scsi_vhci_priv *svp; | |
| 7358 mdi_pathinfo_state_t pstate; | |
| 7359 uint32_t p_ext_state; | |
| 7360 int circular; | |
| 7361 | |
| 7362 cdip = vlun->svl_dip; | |
| 7363 pip = spip = NULL; | |
| 7364 ndi_devi_enter(cdip, &circular); | |
| 7365 pip = mdi_get_next_phci_path(cdip, NULL); | |
| 7366 while (pip != NULL) { | |
| 7367 (void) mdi_pi_get_state2(pip, &pstate, &p_ext_state); | |
| 7368 if (pstate != MDI_PATHINFO_STATE_ONLINE) { | |
| 7369 spip = pip; | |
| 7370 pip = mdi_get_next_phci_path(cdip, spip); | |
| 7371 continue; | |
| 7372 } | |
| 7373 mdi_hold_path(pip); | |
| 7374 ndi_devi_exit(cdip, circular); | |
| 7375 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 7376 mutex_enter(&svp->svp_mutex); | |
| 7377 while (svp->svp_cmds != 0) { | |
| 7378 if (cv_timedwait(&svp->svp_cv, &svp->svp_mutex, | |
| 7379 ddi_get_lbolt() + drv_usectohz | |
| 7380 (vhci_path_quiesce_timeout * 1000000)) == -1) { | |
| 7381 mutex_exit(&svp->svp_mutex); | |
| 7382 mdi_rele_path(pip); | |
| 7383 VHCI_DEBUG(1, (CE_WARN, NULL, | |
| 7384 "Quiesce of lun is not successful " | |
| 7385 "vlun: 0x%p.", (void *)vlun)); | |
| 7386 return (0); | |
| 7387 } | |
| 7388 } | |
| 7389 mutex_exit(&svp->svp_mutex); | |
| 7390 ndi_devi_enter(cdip, &circular); | |
| 7391 spip = pip; | |
| 7392 pip = mdi_get_next_phci_path(cdip, spip); | |
| 7393 mdi_rele_path(spip); | |
| 7394 } | |
| 7395 ndi_devi_exit(cdip, circular); | |
| 7396 return (1); | |
| 7397 } | |
| 7398 | |
| 7399 static int | |
| 7400 vhci_pgr_validate_and_register(scsi_vhci_priv_t *svp) | |
| 7401 { | |
| 7402 scsi_vhci_lun_t *vlun; | |
| 7403 vhci_prout_t *prout; | |
| 7404 int rval, success; | |
| 7405 mdi_pathinfo_t *pip, *npip; | |
| 7406 scsi_vhci_priv_t *osvp; | |
| 7407 dev_info_t *cdip; | |
| 7408 uchar_t cdb_1; | |
| 7409 uchar_t temp_res_key[MHIOC_RESV_KEY_SIZE]; | |
| 7410 | |
| 7411 | |
| 7412 /* | |
| 7413 * see if there are any other paths available; if none, | |
| 7414 * then there is nothing to do. | |
| 7415 */ | |
| 7416 cdip = svp->svp_svl->svl_dip; | |
| 7417 rval = mdi_select_path(cdip, NULL, MDI_SELECT_ONLINE_PATH | | |
| 7418 MDI_SELECT_STANDBY_PATH, NULL, &pip); | |
| 7419 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 7420 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7421 "%s%d: vhci_pgr_validate_and_register: first path\n", | |
| 7422 ddi_driver_name(cdip), ddi_get_instance(cdip))); | |
| 7423 return (1); | |
| 7424 } | |
| 7425 | |
| 7426 vlun = svp->svp_svl; | |
| 7427 prout = &vlun->svl_prout; | |
| 7428 ASSERT(vlun->svl_pgr_active != 0); | |
| 7429 | |
| 7430 /* | |
| 7431 * When the path was busy/offlined, some other host might have | |
| 7432 * cleared this key. Validate key on some other path first. | |
| 7433 * If it fails, return failure. | |
| 7434 */ | |
| 7435 | |
| 7436 npip = pip; | |
| 7437 pip = NULL; | |
| 7438 success = 0; | |
| 7439 | |
| 7440 /* Save the res key */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7441 bcopy(prout->res_key, temp_res_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7442 |
| 7443 /* | |
| 7444 * Sometimes CDB from application can be a Register_And_Ignore. | |
| 7445 * Instead of validation, this cdb would result in force registration. | |
| 7446 * Convert it to normal cdb for validation. | |
| 7447 * After that be sure to restore the cdb. | |
| 7448 */ | |
| 7449 cdb_1 = vlun->svl_cdb[1]; | |
| 7450 vlun->svl_cdb[1] &= 0xe0; | |
| 7451 | |
| 7452 do { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7453 osvp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(npip); |
| 4851 | 7454 if (osvp == NULL) { |
| 7455 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7456 "vhci_pgr_validate_and_register: no " | |
| 7457 "client priv! 0x%p offlined?\n", | |
| 7458 (void *)npip)); | |
| 7459 goto next_path_1; | |
| 7460 } | |
| 7461 | |
| 7462 if (osvp == svp) { | |
| 7463 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7464 "vhci_pgr_validate_and_register: same svp 0x%p" | |
| 7465 " npip 0x%p vlun 0x%p\n", | |
| 7466 (void *)svp, (void *)npip, (void *)vlun)); | |
| 7467 goto next_path_1; | |
| 7468 } | |
| 7469 | |
| 7470 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7471 "vhci_pgr_validate_and_register: First validate on" | |
| 7472 " osvp 0x%p being done. vlun 0x%p thread 0x%p Before bcopy" | |
| 7473 " cdb1 %x\n", (void *)osvp, (void *)vlun, | |
| 7474 (void *)curthread, vlun->svl_cdb[1])); | |
| 7475 vhci_print_prout_keys(vlun, "v_pgr_val_reg: before bcopy:"); | |
| 7476 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7477 bcopy(prout->service_key, prout->res_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7478 |
| 7479 VHCI_DEBUG(4, (CE_WARN, NULL, "vlun 0x%p After bcopy", | |
| 7480 (void *)vlun)); | |
| 7481 vhci_print_prout_keys(vlun, "v_pgr_val_reg: after bcopy: "); | |
| 7482 | |
| 7483 rval = vhci_do_prout(osvp); | |
| 7484 if (rval == 1) { | |
| 7485 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7486 "%s%d: vhci_pgr_validate_and_register: key" | |
| 7487 " validated thread 0x%p\n", ddi_driver_name(cdip), | |
| 7488 ddi_get_instance(cdip), (void *)curthread)); | |
| 7489 pip = npip; | |
| 7490 success = 1; | |
| 7491 break; | |
| 7492 } else { | |
| 7493 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7494 "vhci_pgr_validate_and_register: First validation" | |
| 7495 " on osvp 0x%p failed %x\n", (void *)osvp, rval)); | |
| 7496 vhci_print_prout_keys(vlun, "v_pgr_val_reg: failed:"); | |
| 7497 } | |
| 7498 | |
| 7499 /* | |
| 7500 * Try other paths | |
| 7501 */ | |
| 7502 next_path_1: | |
| 7503 pip = npip; | |
| 7504 rval = mdi_select_path(cdip, NULL, | |
| 7505 MDI_SELECT_ONLINE_PATH|MDI_SELECT_STANDBY_PATH, | |
| 7506 pip, &npip); | |
| 7507 mdi_rele_path(pip); | |
| 7508 } while ((rval == MDI_SUCCESS) && (npip != NULL)); | |
| 7509 | |
| 7510 | |
| 7511 /* Be sure to restore original cdb */ | |
| 7512 vlun->svl_cdb[1] = cdb_1; | |
| 7513 | |
| 7514 /* Restore the res_key */ | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7515 bcopy(temp_res_key, prout->res_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7516 |
| 7517 /* | |
| 7518 * If key could not be registered on any path for the first time, | |
| 7519 * return success as online should still continue. | |
| 7520 */ | |
| 7521 if (success == 0) { | |
| 7522 return (1); | |
| 7523 } | |
| 7524 | |
| 7525 ASSERT(pip != NULL); | |
| 7526 | |
| 7527 /* | |
| 7528 * Force register on new path | |
| 7529 */ | |
| 7530 cdb_1 = vlun->svl_cdb[1]; /* store the cdb */ | |
| 7531 | |
| 7532 vlun->svl_cdb[1] &= 0xe0; | |
| 7533 vlun->svl_cdb[1] |= VHCI_PROUT_R_AND_IGNORE; | |
| 7534 | |
| 7535 vhci_print_prout_keys(vlun, "v_pgr_val_reg: keys before bcopy: "); | |
| 7536 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7537 bcopy(prout->active_service_key, prout->service_key, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7538 MHIOC_RESV_KEY_SIZE); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7539 bcopy(prout->active_res_key, prout->res_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7540 |
| 7541 vhci_print_prout_keys(vlun, "v_pgr_val_reg:keys after bcopy: "); | |
| 7542 | |
| 7543 rval = vhci_do_prout(svp); | |
| 7544 vlun->svl_cdb[1] = cdb_1; /* restore the cdb */ | |
| 7545 if (rval != 1) { | |
| 7546 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7547 "vhci_pgr_validate_and_register: register on new" | |
| 7548 " path 0x%p svp 0x%p failed %x\n", | |
| 7549 (void *)pip, (void *)svp, rval)); | |
| 7550 vhci_print_prout_keys(vlun, "v_pgr_val_reg: reg failed: "); | |
| 7551 mdi_rele_path(pip); | |
| 7552 return (0); | |
| 7553 } | |
| 7554 | |
| 7555 if (bcmp(prout->service_key, zero_key, MHIOC_RESV_KEY_SIZE) == 0) { | |
| 7556 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7557 "vhci_pgr_validate_and_register: zero service key\n")); | |
| 7558 mdi_rele_path(pip); | |
| 7559 return (rval); | |
| 7560 } | |
| 7561 | |
| 7562 /* | |
| 7563 * While the key was force registered, some other host might have | |
| 7564 * cleared the key. Re-validate key on another pre-existing path | |
| 7565 * before declaring success. | |
| 7566 */ | |
| 7567 npip = pip; | |
| 7568 pip = NULL; | |
| 7569 | |
| 7570 /* | |
| 7571 * Sometimes CDB from application can be Register and Ignore. | |
| 7572 * Instead of validation, it would result in force registration. | |
| 7573 * Convert it to normal cdb for validation. | |
| 7574 * After that be sure to restore the cdb. | |
| 7575 */ | |
| 7576 cdb_1 = vlun->svl_cdb[1]; | |
| 7577 vlun->svl_cdb[1] &= 0xe0; | |
| 7578 success = 0; | |
| 7579 | |
| 7580 do { | |
| 7581 osvp = (scsi_vhci_priv_t *) | |
| 7582 mdi_pi_get_vhci_private(npip); | |
| 7583 if (osvp == NULL) { | |
| 7584 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7585 "vhci_pgr_validate_and_register: no " | |
| 7586 "client priv! 0x%p offlined?\n", | |
| 7587 (void *)npip)); | |
| 7588 goto next_path_2; | |
| 7589 } | |
| 7590 | |
| 7591 if (osvp == svp) { | |
| 7592 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7593 "vhci_pgr_validate_and_register: same osvp 0x%p" | |
| 7594 " npip 0x%p vlun 0x%p\n", | |
| 7595 (void *)svp, (void *)npip, (void *)vlun)); | |
| 7596 goto next_path_2; | |
| 7597 } | |
| 7598 | |
| 7599 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7600 "vhci_pgr_validate_and_register: Re-validation on" | |
| 7601 " osvp 0x%p being done. vlun 0x%p Before bcopy cdb1 %x\n", | |
| 7602 (void *)osvp, (void *)vlun, vlun->svl_cdb[1])); | |
| 7603 vhci_print_prout_keys(vlun, "v_pgr_val_reg: before bcopy: "); | |
| 7604 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7605 bcopy(prout->service_key, prout->res_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7606 |
| 7607 vhci_print_prout_keys(vlun, "v_pgr_val_reg: after bcopy: "); | |
| 7608 | |
| 7609 rval = vhci_do_prout(osvp); | |
| 7610 if (rval == 1) { | |
| 7611 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7612 "%s%d: vhci_pgr_validate_and_register: key" | |
| 7613 " validated thread 0x%p\n", ddi_driver_name(cdip), | |
| 7614 ddi_get_instance(cdip), (void *)curthread)); | |
| 7615 pip = npip; | |
| 7616 success = 1; | |
| 7617 break; | |
| 7618 } else { | |
| 7619 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7620 "vhci_pgr_validate_and_register: Re-validation on" | |
| 7621 " osvp 0x%p failed %x\n", (void *)osvp, rval)); | |
| 7622 vhci_print_prout_keys(vlun, | |
| 7623 "v_pgr_val_reg: reval failed: "); | |
| 7624 } | |
| 7625 | |
| 7626 /* | |
| 7627 * Try other paths | |
| 7628 */ | |
| 7629 next_path_2: | |
| 7630 pip = npip; | |
| 7631 rval = mdi_select_path(cdip, NULL, | |
| 7632 MDI_SELECT_ONLINE_PATH|MDI_SELECT_STANDBY_PATH, | |
| 7633 pip, &npip); | |
| 7634 mdi_rele_path(pip); | |
| 7635 } while ((rval == MDI_SUCCESS) && (npip != NULL)); | |
| 7636 | |
| 7637 /* Be sure to restore original cdb */ | |
| 7638 vlun->svl_cdb[1] = cdb_1; | |
| 7639 | |
| 7640 if (success == 1) { | |
| 7641 /* Successfully validated registration */ | |
| 7642 mdi_rele_path(pip); | |
| 7643 return (1); | |
| 7644 } | |
| 7645 | |
| 7646 VHCI_DEBUG(4, (CE_WARN, NULL, "key validation failed")); | |
| 7647 | |
| 7648 /* | |
| 7649 * key invalid, back out by registering key value of 0 | |
| 7650 */ | |
| 7651 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7652 "vhci_pgr_validate_and_register: backout on" | |
| 7653 " svp 0x%p being done\n", (void *)svp)); | |
| 7654 vhci_print_prout_keys(vlun, "v_pgr_val_reg: before bcopy: "); | |
| 7655 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7656 bcopy(prout->service_key, prout->res_key, MHIOC_RESV_KEY_SIZE); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7657 bzero(prout->service_key, MHIOC_RESV_KEY_SIZE); |
| 4851 | 7658 |
| 7659 vhci_print_prout_keys(vlun, "v_pgr_val_reg: before bcopy: "); | |
| 7660 | |
| 7661 /* | |
| 7662 * Get a new path | |
| 7663 */ | |
| 7664 rval = mdi_select_path(cdip, NULL, MDI_SELECT_ONLINE_PATH | | |
| 7665 MDI_SELECT_STANDBY_PATH, NULL, &pip); | |
| 7666 if ((rval != MDI_SUCCESS) || (pip == NULL)) { | |
| 7667 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7668 "%s%d: vhci_pgr_validate_and_register: no valid pip\n", | |
| 7669 ddi_driver_name(cdip), ddi_get_instance(cdip))); | |
| 7670 return (0); | |
| 7671 } | |
| 7672 | |
| 7673 if ((rval = vhci_do_prout(svp)) != 1) { | |
| 7674 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7675 "vhci_pgr_validate_and_register: backout on" | |
| 7676 " svp 0x%p failed\n", (void *)svp)); | |
| 7677 vhci_print_prout_keys(vlun, "backout failed"); | |
| 7678 | |
| 7679 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 7680 "%s%d: vhci_pgr_validate_and_register: key" | |
| 7681 " validation and backout failed", ddi_driver_name(cdip), | |
| 7682 ddi_get_instance(cdip))); | |
| 7683 if (rval == VHCI_PGR_ILLEGALOP) { | |
| 7684 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 7685 "%s%d: vhci_pgr_validate_and_register: key" | |
| 7686 " already cleared", ddi_driver_name(cdip), | |
| 7687 ddi_get_instance(cdip))); | |
| 7688 rval = 1; | |
| 7689 } else | |
| 7690 rval = 0; | |
| 7691 } else { | |
| 7692 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 7693 "%s%d: vhci_pgr_validate_and_register: key" | |
| 7694 " validation failed, key backed out\n", | |
| 7695 ddi_driver_name(cdip), ddi_get_instance(cdip))); | |
| 7696 vhci_print_prout_keys(vlun, "v_pgr_val_reg: key backed out: "); | |
| 7697 } | |
| 7698 mdi_rele_path(pip); | |
| 7699 | |
| 7700 return (rval); | |
| 7701 } | |
| 7702 | |
| 7703 /* | |
| 7704 * taskq routine to dispatch a scsi cmd to vhci_scsi_start. This ensures | |
| 7705 * that vhci_scsi_start is not called in interrupt context. | |
| 7706 * As the upper layer gets TRAN_ACCEPT when the command is dispatched, we | |
| 7707 * need to complete the command if something goes wrong. | |
| 7708 */ | |
| 7709 static void | |
| 7710 vhci_dispatch_scsi_start(void *arg) | |
| 7711 { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7712 struct vhci_pkt *vpkt = (struct vhci_pkt *)arg; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7713 struct scsi_pkt *tpkt = vpkt->vpkt_tgt_pkt; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7714 int rval = TRAN_BUSY; |
| 4851 | 7715 |
| 7716 VHCI_DEBUG(6, (CE_NOTE, NULL, "!vhci_dispatch_scsi_start: sending" | |
| 7717 " scsi-2 reserve for 0x%p\n", | |
| 7718 (void *)ADDR2DIP(&(vpkt->vpkt_tgt_pkt->pkt_address)))); | |
| 7719 | |
| 7720 /* | |
| 7721 * To prevent the taskq from being called recursively we set the | |
| 7722 * the VHCI_PKT_THRU_TASKQ bit in the vhci_pkt_states. | |
| 7723 */ | |
| 7724 vpkt->vpkt_state |= VHCI_PKT_THRU_TASKQ; | |
| 7725 | |
| 7726 /* | |
| 7727 * Wait for the transport to get ready to send packets | |
| 7728 * and if it times out, it will return something other than | |
| 7729 * TRAN_BUSY. The vhci_reserve_delay may want to | |
| 7730 * get tuned for other transports and is therefore a global. | |
| 7731 * Using delay since this routine is called by taskq dispatch | |
| 7732 * and not called during interrupt context. | |
| 7733 */ | |
| 7734 while ((rval = vhci_scsi_start(&(vpkt->vpkt_tgt_pkt->pkt_address), | |
| 7735 vpkt->vpkt_tgt_pkt)) == TRAN_BUSY) { | |
| 7736 delay(drv_usectohz(vhci_reserve_delay)); | |
| 7737 } | |
| 7738 | |
| 7739 switch (rval) { | |
| 7740 case TRAN_ACCEPT: | |
| 7741 return; | |
| 7742 | |
| 7743 default: | |
| 7744 /* | |
| 7745 * This pkt shall be retried, and to ensure another taskq | |
| 7746 * is dispatched for it, clear the VHCI_PKT_THRU_TASKQ | |
| 7747 * flag. | |
| 7748 */ | |
| 7749 vpkt->vpkt_state &= ~VHCI_PKT_THRU_TASKQ; | |
| 7750 | |
| 7751 /* Ensure that the pkt is retried without a reset */ | |
| 7752 tpkt->pkt_reason = CMD_ABORTED; | |
| 7753 tpkt->pkt_statistics |= STAT_ABORTED; | |
| 7754 VHCI_DEBUG(1, (CE_WARN, NULL, "!vhci_dispatch_scsi_start: " | |
| 7755 "TRAN_rval %d returned for dip 0x%p", rval, | |
| 7756 (void *)ADDR2DIP(&(vpkt->vpkt_tgt_pkt->pkt_address)))); | |
| 7757 break; | |
| 7758 } | |
| 7759 | |
| 7760 /* | |
| 7761 * vpkt_org_vpkt should always be NULL here if the retry command | |
| 7762 * has been successfully dispatched. If vpkt_org_vpkt != NULL at | |
| 7763 * this point, it is an error so restore the original vpkt and | |
| 7764 * return an error to the target driver so it can retry the | |
| 7765 * command as appropriate. | |
| 7766 */ | |
| 7767 if (vpkt->vpkt_org_vpkt != NULL) { | |
| 7768 struct vhci_pkt *new_vpkt = vpkt; | |
| 7769 scsi_vhci_priv_t *svp = (scsi_vhci_priv_t *) | |
| 7770 mdi_pi_get_vhci_private(vpkt->vpkt_path); | |
| 7771 | |
| 7772 vpkt = vpkt->vpkt_org_vpkt; | |
| 7773 | |
| 7774 vpkt->vpkt_tgt_pkt->pkt_reason = tpkt->pkt_reason; | |
| 7775 vpkt->vpkt_tgt_pkt->pkt_statistics = tpkt->pkt_statistics; | |
| 7776 | |
| 7777 vhci_scsi_destroy_pkt(&svp->svp_psd->sd_address, | |
| 7778 new_vpkt->vpkt_tgt_pkt); | |
| 7779 | |
| 7780 tpkt = vpkt->vpkt_tgt_pkt; | |
| 7781 } | |
| 7782 | |
|
9106
ee8f18cdafb2
6809527 scsi_hba_pkt_comp():More consumers
srivijitha dugganapalli <Srivijitha.Dugganapalli@Sun.COM>
parents:
8851
diff
changeset
|
7783 scsi_hba_pkt_comp(tpkt); |
| 4851 | 7784 } |
| 7785 | |
| 7786 static void | |
| 7787 vhci_initiate_auto_failback(void *arg) | |
| 7788 { | |
| 7789 struct scsi_vhci_lun *vlun = (struct scsi_vhci_lun *)arg; | |
| 7790 dev_info_t *vdip, *cdip; | |
| 7791 int held; | |
| 7792 | |
| 7793 cdip = vlun->svl_dip; | |
| 7794 vdip = ddi_get_parent(cdip); | |
| 7795 | |
| 7796 VHCI_HOLD_LUN(vlun, VH_SLEEP, held); | |
| 7797 | |
| 7798 /* | |
| 7799 * Perform a final check to see if the active path class is indeed | |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
7800 * not the preferred path class. As in the time the auto failback |
| 4851 | 7801 * was dispatched, an external failover could have been detected. |
| 7802 * [Some other host could have detected this condition and triggered | |
| 7803 * the auto failback before]. | |
| 7804 * In such a case if we go ahead with failover we will be negating the | |
| 7805 * whole purpose of auto failback. | |
| 7806 */ | |
| 7807 mutex_enter(&vlun->svl_mutex); | |
| 7808 if (vlun->svl_active_pclass != NULL) { | |
| 7809 char *best_pclass; | |
| 7810 struct scsi_failover_ops *fo; | |
| 7811 | |
| 7812 fo = vlun->svl_fops; | |
| 7813 | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7814 (void) fo->sfo_pathclass_next(NULL, &best_pclass, |
| 4851 | 7815 vlun->svl_fops_ctpriv); |
| 7816 if (strcmp(vlun->svl_active_pclass, best_pclass) == 0) { | |
| 7817 mutex_exit(&vlun->svl_mutex); | |
| 7818 VHCI_RELEASE_LUN(vlun); | |
| 7819 VHCI_DEBUG(1, (CE_NOTE, NULL, "Not initiating " | |
| 7820 "auto failback for %s as %s pathclass already " | |
| 7821 "active.\n", vlun->svl_lun_wwn, best_pclass)); | |
| 7822 return; | |
| 7823 } | |
| 7824 } | |
| 7825 mutex_exit(&vlun->svl_mutex); | |
| 7826 if (mdi_failover(vdip, vlun->svl_dip, MDI_FAILOVER_SYNC) | |
| 7827 == MDI_SUCCESS) { | |
| 7828 vhci_log(CE_NOTE, vdip, "!Auto failback operation " | |
| 7829 "succeeded for device %s (GUID %s)", | |
| 7830 ddi_node_name(cdip), vlun->svl_lun_wwn); | |
| 7831 } else { | |
| 7832 vhci_log(CE_NOTE, vdip, "!Auto failback operation " | |
| 7833 "failed for device %s (GUID %s)", | |
| 7834 ddi_node_name(cdip), vlun->svl_lun_wwn); | |
| 7835 } | |
| 7836 VHCI_RELEASE_LUN(vlun); | |
| 7837 } | |
| 7838 | |
| 7839 #ifdef DEBUG | |
| 7840 static void | |
| 7841 vhci_print_prin_keys(vhci_prin_readkeys_t *prin, int numkeys) | |
| 7842 { | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7843 vhci_clean_print(NULL, 5, "Current PGR Keys", |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
7844 (uchar_t *)prin, numkeys * 8); |
| 4851 | 7845 } |
| 7846 #endif | |
| 7847 | |
| 7848 static void | |
| 7849 vhci_print_prout_keys(scsi_vhci_lun_t *vlun, char *msg) | |
| 7850 { | |
| 7851 int i; | |
| 7852 vhci_prout_t *prout; | |
| 7853 char buf1[4*MHIOC_RESV_KEY_SIZE + 1]; | |
| 7854 char buf2[4*MHIOC_RESV_KEY_SIZE + 1]; | |
| 7855 char buf3[4*MHIOC_RESV_KEY_SIZE + 1]; | |
| 7856 char buf4[4*MHIOC_RESV_KEY_SIZE + 1]; | |
| 7857 | |
| 7858 prout = &vlun->svl_prout; | |
| 7859 | |
| 7860 for (i = 0; i < MHIOC_RESV_KEY_SIZE; i++) | |
| 7861 (void) sprintf(&buf1[4*i], "[%02x]", prout->res_key[i]); | |
| 7862 for (i = 0; i < MHIOC_RESV_KEY_SIZE; i++) | |
| 7863 (void) sprintf(&buf2[(4*i)], "[%02x]", prout->service_key[i]); | |
| 7864 for (i = 0; i < MHIOC_RESV_KEY_SIZE; i++) | |
| 7865 (void) sprintf(&buf3[4*i], "[%02x]", prout->active_res_key[i]); | |
| 7866 for (i = 0; i < MHIOC_RESV_KEY_SIZE; i++) | |
| 7867 (void) sprintf(&buf4[4*i], "[%02x]", | |
| 7868 prout->active_service_key[i]); | |
| 7869 | |
| 7870 /* Printing all in one go. Otherwise it will jumble up */ | |
| 7871 VHCI_DEBUG(5, (CE_CONT, NULL, "%s vlun 0x%p, thread 0x%p\n" | |
| 7872 "res_key: : %s\n" | |
| 7873 "service_key : %s\n" | |
| 7874 "active_res_key : %s\n" | |
| 7875 "active_service_key: %s\n", | |
| 7876 msg, (void *)vlun, (void *)curthread, buf1, buf2, buf3, buf4)); | |
| 7877 } | |
| 7878 | |
| 7879 /* | |
| 7880 * Called from vhci_scsi_start to update the pHCI pkt with target packet. | |
| 7881 */ | |
| 7882 static void | |
| 7883 vhci_update_pHCI_pkt(struct vhci_pkt *vpkt, struct scsi_pkt *pkt) | |
| 7884 { | |
| 7885 | |
| 7886 ASSERT(vpkt->vpkt_hba_pkt); | |
| 7887 | |
| 7888 vpkt->vpkt_hba_pkt->pkt_flags = pkt->pkt_flags; | |
| 7889 vpkt->vpkt_hba_pkt->pkt_flags |= FLAG_NOQUEUE; | |
| 7890 | |
| 7891 if ((vpkt->vpkt_hba_pkt->pkt_flags & FLAG_NOINTR) || | |
| 7892 MDI_PI_IS_SUSPENDED(vpkt->vpkt_path)) { | |
| 7893 /* | |
| 7894 * Polled Command is requested or HBA is in | |
| 7895 * suspended state | |
| 7896 */ | |
| 7897 vpkt->vpkt_hba_pkt->pkt_flags |= FLAG_NOINTR; | |
| 7898 vpkt->vpkt_hba_pkt->pkt_comp = NULL; | |
| 7899 } else { | |
| 7900 vpkt->vpkt_hba_pkt->pkt_comp = vhci_intr; | |
| 7901 } | |
| 7902 vpkt->vpkt_hba_pkt->pkt_time = pkt->pkt_time; | |
| 7903 bcopy(pkt->pkt_cdbp, vpkt->vpkt_hba_pkt->pkt_cdbp, | |
| 7904 vpkt->vpkt_tgt_init_cdblen); | |
| 7905 vpkt->vpkt_hba_pkt->pkt_resid = pkt->pkt_resid; | |
| 7906 | |
| 7907 /* Re-initialize the following pHCI packet state information */ | |
| 7908 vpkt->vpkt_hba_pkt->pkt_state = 0; | |
| 7909 vpkt->vpkt_hba_pkt->pkt_statistics = 0; | |
| 7910 vpkt->vpkt_hba_pkt->pkt_reason = 0; | |
| 7911 } | |
| 7912 | |
| 7913 static int | |
| 7914 vhci_scsi_bus_power(dev_info_t *parent, void *impl_arg, pm_bus_power_op_t op, | |
| 7915 void *arg, void *result) | |
| 7916 { | |
| 7917 int ret = DDI_SUCCESS; | |
| 7918 | |
| 7919 /* | |
| 7920 * Generic processing in MPxIO framework | |
| 7921 */ | |
| 7922 ret = mdi_bus_power(parent, impl_arg, op, arg, result); | |
| 7923 | |
| 7924 switch (ret) { | |
| 7925 case MDI_SUCCESS: | |
| 7926 ret = DDI_SUCCESS; | |
| 7927 break; | |
| 7928 case MDI_FAILURE: | |
| 7929 ret = DDI_FAILURE; | |
| 7930 break; | |
| 7931 default: | |
| 7932 break; | |
| 7933 } | |
| 7934 | |
| 7935 return (ret); | |
| 7936 } | |
| 7937 | |
| 7938 static int | |
| 7939 vhci_pHCI_cap(struct scsi_address *ap, char *cap, int val, int whom, | |
| 7940 mdi_pathinfo_t *pip) | |
| 7941 { | |
| 7942 dev_info_t *cdip; | |
| 7943 mdi_pathinfo_t *npip = NULL; | |
| 7944 scsi_vhci_priv_t *svp = NULL; | |
| 7945 struct scsi_address *pap = NULL; | |
| 7946 scsi_hba_tran_t *hba = NULL; | |
| 7947 int sps; | |
| 7948 int mps_flag; | |
| 7949 int rval = 0; | |
| 7950 | |
| 7951 mps_flag = (MDI_SELECT_ONLINE_PATH | MDI_SELECT_STANDBY_PATH); | |
| 7952 if (pip) { | |
| 7953 /* | |
| 7954 * If the call is from vhci_pathinfo_state_change, | |
| 7955 * then this path was busy and is becoming ready to accept IO. | |
| 7956 */ | |
| 7957 ASSERT(ap != NULL); | |
| 7958 hba = ap->a_hba_tran; | |
| 7959 ASSERT(hba != NULL); | |
| 7960 rval = scsi_ifsetcap(ap, cap, val, whom); | |
| 7961 | |
| 7962 VHCI_DEBUG(2, (CE_NOTE, NULL, | |
| 7963 "!vhci_pHCI_cap: only on path %p, ap %p, rval %x\n", | |
| 7964 (void *)pip, (void *)ap, rval)); | |
| 7965 | |
| 7966 return (rval); | |
| 7967 } | |
| 7968 | |
| 7969 /* | |
| 7970 * Set capability on all the pHCIs. | |
| 7971 * If any path is busy, then the capability would be set by | |
| 7972 * vhci_pathinfo_state_change. | |
| 7973 */ | |
| 7974 | |
| 7975 cdip = ADDR2DIP(ap); | |
| 7976 ASSERT(cdip != NULL); | |
| 7977 sps = mdi_select_path(cdip, NULL, mps_flag, NULL, &pip); | |
| 7978 if ((sps != MDI_SUCCESS) || (pip == NULL)) { | |
| 7979 VHCI_DEBUG(2, (CE_WARN, NULL, | |
| 7980 "!vhci_pHCI_cap: Unable to get a path, dip 0x%p", | |
| 7981 (void *)cdip)); | |
| 7982 return (0); | |
| 7983 } | |
| 7984 | |
| 7985 again: | |
| 7986 svp = (scsi_vhci_priv_t *)mdi_pi_get_vhci_private(pip); | |
| 7987 if (svp == NULL) { | |
| 7988 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_pHCI_cap: " | |
| 7989 "priv is NULL, pip 0x%p", (void *)pip)); | |
| 7990 mdi_rele_path(pip); | |
| 7991 return (rval); | |
| 7992 } | |
| 7993 | |
| 7994 if (svp->svp_psd == NULL) { | |
| 7995 VHCI_DEBUG(2, (CE_WARN, NULL, "!vhci_pHCI_cap: " | |
| 7996 "psd is NULL, pip 0x%p, svp 0x%p", | |
| 7997 (void *)pip, (void *)svp)); | |
| 7998 mdi_rele_path(pip); | |
| 7999 return (rval); | |
| 8000 } | |
| 8001 | |
| 8002 pap = &svp->svp_psd->sd_address; | |
| 8003 ASSERT(pap != NULL); | |
| 8004 hba = pap->a_hba_tran; | |
| 8005 ASSERT(hba != NULL); | |
| 8006 | |
| 8007 if (hba->tran_setcap != NULL) { | |
| 8008 rval = scsi_ifsetcap(pap, cap, val, whom); | |
| 8009 | |
| 8010 VHCI_DEBUG(2, (CE_NOTE, NULL, | |
| 8011 "!vhci_pHCI_cap: path %p, ap %p, rval %x\n", | |
| 8012 (void *)pip, (void *)ap, rval)); | |
| 8013 | |
| 8014 /* | |
| 8015 * Select next path and issue the setcap, repeat | |
| 8016 * until all paths are exhausted | |
| 8017 */ | |
| 8018 sps = mdi_select_path(cdip, NULL, mps_flag, pip, &npip); | |
| 8019 if ((sps != MDI_SUCCESS) || (npip == NULL)) { | |
| 8020 mdi_rele_path(pip); | |
| 8021 return (1); | |
| 8022 } | |
| 8023 mdi_rele_path(pip); | |
| 8024 pip = npip; | |
| 8025 goto again; | |
| 8026 } | |
| 8027 mdi_rele_path(pip); | |
| 8028 return (rval); | |
| 8029 } | |
| 8030 | |
| 8031 static int | |
| 8032 vhci_scsi_bus_config(dev_info_t *pdip, uint_t flags, ddi_bus_config_op_t op, | |
| 8033 void *arg, dev_info_t **child) | |
| 8034 { | |
| 8035 char *guid; | |
| 8036 | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8037 if (vhci_bus_config_debug) |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8038 flags |= NDI_DEVI_DEBUG; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8039 |
| 4851 | 8040 if (op == BUS_CONFIG_ONE || op == BUS_UNCONFIG_ONE) |
| 8041 guid = vhci_devnm_to_guid((char *)arg); | |
| 8042 else | |
| 8043 guid = NULL; | |
| 8044 | |
| 8045 if (mdi_vhci_bus_config(pdip, flags, op, arg, child, guid) | |
| 8046 == MDI_SUCCESS) | |
| 8047 return (NDI_SUCCESS); | |
| 8048 else | |
| 8049 return (NDI_FAILURE); | |
| 8050 } | |
| 8051 | |
|
8335
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8052 static int |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8053 vhci_scsi_bus_unconfig(dev_info_t *pdip, uint_t flags, ddi_bus_config_op_t op, |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8054 void *arg) |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8055 { |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8056 if (vhci_bus_config_debug) |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8057 flags |= NDI_DEVI_DEBUG; |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8058 |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8059 return (ndi_busop_bus_unconfig(pdip, flags, op, arg)); |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8060 } |
|
2b50eb467f7f
PSARC/2008/675 SCSI_HBA_ADDR_COMPLEX SCSA data structure linkage
Chris Horne <Chris.Horne@Sun.COM>
parents:
7656
diff
changeset
|
8061 |
| 4851 | 8062 /* |
| 8063 * Take the original vhci_pkt, create a duplicate of the pkt for resending | |
| 8064 * as though it originated in ssd. | |
| 8065 */ | |
| 8066 static struct scsi_pkt * | |
| 8067 vhci_create_retry_pkt(struct vhci_pkt *vpkt) | |
| 8068 { | |
| 8069 struct vhci_pkt *new_vpkt = NULL; | |
| 8070 struct scsi_pkt *pkt = NULL; | |
| 8071 | |
| 8072 scsi_vhci_priv_t *svp = (scsi_vhci_priv_t *) | |
| 8073 mdi_pi_get_vhci_private(vpkt->vpkt_path); | |
| 8074 | |
| 8075 /* | |
| 8076 * Ensure consistent data at completion time by setting PKT_CONSISTENT | |
| 8077 */ | |
| 8078 pkt = vhci_scsi_init_pkt(&svp->svp_psd->sd_address, pkt, | |
| 8079 vpkt->vpkt_tgt_init_bp, vpkt->vpkt_tgt_init_cdblen, | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8080 vpkt->vpkt_tgt_init_scblen, 0, PKT_CONSISTENT, NULL_FUNC, NULL); |
| 4851 | 8081 if (pkt != NULL) { |
| 8082 new_vpkt = TGTPKT2VHCIPKT(pkt); | |
| 8083 | |
| 8084 pkt->pkt_address = vpkt->vpkt_tgt_pkt->pkt_address; | |
| 8085 pkt->pkt_flags = vpkt->vpkt_tgt_pkt->pkt_flags; | |
| 8086 pkt->pkt_time = vpkt->vpkt_tgt_pkt->pkt_time; | |
| 8087 pkt->pkt_comp = vpkt->vpkt_tgt_pkt->pkt_comp; | |
| 8088 | |
| 8089 pkt->pkt_resid = 0; | |
| 8090 pkt->pkt_statistics = 0; | |
| 8091 pkt->pkt_reason = 0; | |
| 8092 | |
| 8093 bcopy(vpkt->vpkt_tgt_pkt->pkt_cdbp, | |
| 8094 pkt->pkt_cdbp, vpkt->vpkt_tgt_init_cdblen); | |
| 8095 | |
| 8096 /* | |
| 8097 * Save a pointer to the original vhci_pkt | |
| 8098 */ | |
| 8099 new_vpkt->vpkt_org_vpkt = vpkt; | |
| 8100 } | |
| 8101 | |
| 8102 return (pkt); | |
| 8103 } | |
| 8104 | |
| 8105 /* | |
| 8106 * Copy the successful completion information from the hba packet into | |
| 8107 * the original target pkt from the upper layer. Returns the original | |
| 8108 * vpkt and destroys the new vpkt from the internal retry. | |
| 8109 */ | |
| 8110 static struct vhci_pkt * | |
| 8111 vhci_sync_retry_pkt(struct vhci_pkt *vpkt) | |
| 8112 { | |
| 8113 struct vhci_pkt *ret_vpkt = NULL; | |
| 8114 struct scsi_pkt *tpkt = NULL; | |
| 8115 struct scsi_pkt *hba_pkt = NULL; | |
| 8116 scsi_vhci_priv_t *svp = (scsi_vhci_priv_t *) | |
| 8117 mdi_pi_get_vhci_private(vpkt->vpkt_path); | |
| 8118 | |
| 8119 ASSERT(vpkt->vpkt_org_vpkt != NULL); | |
| 8120 VHCI_DEBUG(0, (CE_NOTE, NULL, "vhci_sync_retry_pkt: Retry pkt " | |
| 8121 "completed successfully!\n")); | |
| 8122 | |
| 8123 ret_vpkt = vpkt->vpkt_org_vpkt; | |
| 8124 tpkt = ret_vpkt->vpkt_tgt_pkt; | |
| 8125 hba_pkt = vpkt->vpkt_hba_pkt; | |
| 8126 | |
| 8127 /* | |
| 8128 * Copy the good status into the target driver's packet | |
| 8129 */ | |
| 8130 *(tpkt->pkt_scbp) = *(hba_pkt->pkt_scbp); | |
| 8131 tpkt->pkt_resid = hba_pkt->pkt_resid; | |
| 8132 tpkt->pkt_state = hba_pkt->pkt_state; | |
| 8133 tpkt->pkt_statistics = hba_pkt->pkt_statistics; | |
| 8134 tpkt->pkt_reason = hba_pkt->pkt_reason; | |
| 8135 | |
| 8136 /* | |
| 8137 * Destroy the internally created vpkt for the retry | |
| 8138 */ | |
| 8139 vhci_scsi_destroy_pkt(&svp->svp_psd->sd_address, | |
| 8140 vpkt->vpkt_tgt_pkt); | |
| 8141 | |
| 8142 return (ret_vpkt); | |
| 8143 } | |
| 8144 | |
| 8145 /* restart the request sense request */ | |
| 8146 static void | |
| 8147 vhci_uscsi_restart_sense(void *arg) | |
| 8148 { | |
| 8149 struct buf *rqbp; | |
| 8150 struct buf *bp; | |
| 8151 struct scsi_pkt *rqpkt = (struct scsi_pkt *)arg; | |
| 8152 mp_uscsi_cmd_t *mp_uscmdp; | |
| 8153 | |
| 8154 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 8155 "vhci_uscsi_restart_sense: enter: rqpkt: %p", (void *)rqpkt)); | |
| 8156 | |
| 8157 if (scsi_transport(rqpkt) != TRAN_ACCEPT) { | |
| 8158 /* if it fails - need to wakeup the original command */ | |
| 8159 mp_uscmdp = rqpkt->pkt_private; | |
| 8160 bp = mp_uscmdp->cmdbp; | |
| 8161 rqbp = mp_uscmdp->rqbp; | |
| 8162 ASSERT(mp_uscmdp && bp && rqbp); | |
| 8163 scsi_free_consistent_buf(rqbp); | |
| 8164 scsi_destroy_pkt(rqpkt); | |
| 8165 bp->b_resid = bp->b_bcount; | |
| 8166 bioerror(bp, EIO); | |
| 8167 biodone(bp); | |
| 8168 } | |
| 8169 } | |
| 8170 | |
| 8171 /* | |
| 8172 * auto-rqsense is not enabled so we have to retrieve the request sense | |
| 8173 * manually. | |
| 8174 */ | |
| 8175 static int | |
| 8176 vhci_uscsi_send_sense(struct scsi_pkt *pkt, mp_uscsi_cmd_t *mp_uscmdp) | |
| 8177 { | |
| 8178 struct buf *rqbp, *cmdbp; | |
| 8179 struct scsi_pkt *rqpkt; | |
| 8180 int rval = 0; | |
| 8181 | |
| 8182 cmdbp = mp_uscmdp->cmdbp; | |
| 8183 ASSERT(cmdbp != NULL); | |
| 8184 | |
| 8185 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 8186 "vhci_uscsi_send_sense: enter: bp: %p pkt: %p scmd: %p", | |
| 8187 (void *)cmdbp, (void *)pkt, (void *)mp_uscmdp)); | |
| 8188 /* set up the packet information and cdb */ | |
| 8189 if ((rqbp = scsi_alloc_consistent_buf(mp_uscmdp->ap, NULL, | |
| 8190 SENSE_LENGTH, B_READ, NULL, NULL)) == NULL) { | |
| 8191 return (-1); | |
| 8192 } | |
| 8193 | |
| 8194 if ((rqpkt = scsi_init_pkt(mp_uscmdp->ap, NULL, rqbp, | |
| 8195 CDB_GROUP0, 1, 0, PKT_CONSISTENT, NULL, NULL)) == NULL) { | |
| 8196 scsi_free_consistent_buf(rqbp); | |
| 8197 return (-1); | |
| 8198 } | |
| 8199 | |
| 8200 (void) scsi_setup_cdb((union scsi_cdb *)(intptr_t)rqpkt->pkt_cdbp, | |
| 8201 SCMD_REQUEST_SENSE, 0, SENSE_LENGTH, 0); | |
| 8202 | |
| 8203 mp_uscmdp->rqbp = rqbp; | |
| 8204 rqbp->b_private = mp_uscmdp; | |
| 8205 rqpkt->pkt_flags |= FLAG_SENSING; | |
| 8206 rqpkt->pkt_time = 60; | |
| 8207 rqpkt->pkt_comp = vhci_uscsi_iodone; | |
| 8208 rqpkt->pkt_private = mp_uscmdp; | |
| 8209 | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8210 /* |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8211 * NOTE: This code path is related to MPAPI uscsi(7I), so path |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8212 * selection is not based on path_instance. |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8213 */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8214 if (scsi_pkt_allocated_correctly(rqpkt)) |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8215 rqpkt->pkt_path_instance = 0; |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8216 |
| 4851 | 8217 /* get her done */ |
| 8218 switch (scsi_transport(rqpkt)) { | |
| 8219 case TRAN_ACCEPT: | |
| 8220 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_uscsi_send_sense: " | |
| 8221 "transport accepted.")); | |
| 8222 break; | |
| 8223 case TRAN_BUSY: | |
| 8224 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_uscsi_send_sense: " | |
| 8225 "transport busy, setting timeout.")); | |
| 8226 vhci_restart_timeid = timeout(vhci_uscsi_restart_sense, rqpkt, | |
| 8227 (drv_usectohz(5 * 1000000))); | |
| 8228 break; | |
| 8229 default: | |
| 8230 VHCI_DEBUG(1, (CE_NOTE, NULL, "vhci_uscsi_send_sense: " | |
| 8231 "transport failed")); | |
| 8232 scsi_free_consistent_buf(rqbp); | |
| 8233 scsi_destroy_pkt(rqpkt); | |
| 8234 rval = -1; | |
| 8235 } | |
| 8236 | |
| 8237 return (rval); | |
| 8238 } | |
| 8239 | |
| 8240 /* | |
| 8241 * done routine for the mpapi uscsi command - this is behaving as though | |
| 8242 * FLAG_DIAGNOSE is set meaning there are no retries except for a manual | |
| 8243 * request sense. | |
| 8244 */ | |
| 8245 void | |
| 8246 vhci_uscsi_iodone(struct scsi_pkt *pkt) | |
| 8247 { | |
| 8248 struct buf *bp; | |
| 8249 mp_uscsi_cmd_t *mp_uscmdp; | |
| 8250 struct uscsi_cmd *uscmdp; | |
| 8251 struct scsi_arq_status *arqstat; | |
| 8252 int err; | |
| 8253 | |
| 8254 mp_uscmdp = (mp_uscsi_cmd_t *)pkt->pkt_private; | |
| 8255 uscmdp = mp_uscmdp->uscmdp; | |
| 8256 bp = mp_uscmdp->cmdbp; | |
| 8257 ASSERT(bp != NULL); | |
| 8258 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 8259 "vhci_uscsi_iodone: enter: bp: %p pkt: %p scmd: %p", | |
| 8260 (void *)bp, (void *)pkt, (void *)mp_uscmdp)); | |
| 8261 /* Save the status and the residual into the uscsi_cmd struct */ | |
| 8262 uscmdp->uscsi_status = ((*(pkt)->pkt_scbp) & STATUS_MASK); | |
| 8263 uscmdp->uscsi_resid = bp->b_resid; | |
| 8264 | |
| 8265 /* return on a very successful command */ | |
| 8266 if (pkt->pkt_reason == CMD_CMPLT && | |
| 8267 SCBP_C(pkt) == 0 && ((pkt->pkt_flags & FLAG_SENSING) == 0) && | |
| 8268 pkt->pkt_resid == 0) { | |
| 8269 mdi_pi_kstat_iosupdate(mp_uscmdp->pip, bp); | |
| 8270 scsi_destroy_pkt(pkt); | |
| 8271 biodone(bp); | |
| 8272 return; | |
| 8273 } | |
| 8274 VHCI_DEBUG(4, (CE_NOTE, NULL, "iodone: reason=0x%x " | |
| 8275 " pkt_resid=%ld pkt_state: 0x%x b_count: %ld b_resid: %ld", | |
| 8276 pkt->pkt_reason, pkt->pkt_resid, | |
| 8277 pkt->pkt_state, bp->b_bcount, bp->b_resid)); | |
| 8278 | |
| 8279 err = EIO; | |
| 8280 | |
| 8281 arqstat = (struct scsi_arq_status *)(intptr_t)(pkt->pkt_scbp); | |
| 8282 if (pkt->pkt_reason != CMD_CMPLT) { | |
| 8283 /* | |
| 8284 * The command did not complete. | |
| 8285 */ | |
| 8286 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8287 "vhci_uscsi_iodone: command did not complete." | |
| 8288 " reason: %x flag: %x", pkt->pkt_reason, pkt->pkt_flags)); | |
| 8289 if (pkt->pkt_flags & FLAG_SENSING) { | |
| 8290 MDI_PI_ERRSTAT(mp_uscmdp->pip, MDI_PI_TRANSERR); | |
| 8291 } else if (pkt->pkt_reason == CMD_TIMEOUT) { | |
| 8292 MDI_PI_ERRSTAT(mp_uscmdp->pip, MDI_PI_HARDERR); | |
| 8293 err = ETIMEDOUT; | |
| 8294 } | |
| 8295 } else if (pkt->pkt_state & STATE_ARQ_DONE && mp_uscmdp->arq_enabled) { | |
| 8296 /* | |
| 8297 * The auto-rqsense happened, and the packet has a filled-in | |
| 8298 * scsi_arq_status structure, pointed to by pkt_scbp. | |
| 8299 */ | |
| 8300 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8301 "vhci_uscsi_iodone: received auto-requested sense")); | |
| 8302 if (uscmdp->uscsi_flags & USCSI_RQENABLE) { | |
| 8303 /* get the amount of data to copy into rqbuf */ | |
| 8304 int rqlen = SENSE_LENGTH - arqstat->sts_rqpkt_resid; | |
| 8305 rqlen = min(((int)uscmdp->uscsi_rqlen), rqlen); | |
| 8306 uscmdp->uscsi_rqresid = uscmdp->uscsi_rqlen - rqlen; | |
| 8307 uscmdp->uscsi_rqstatus = | |
| 8308 *((char *)&arqstat->sts_rqpkt_status); | |
| 8309 if (uscmdp->uscsi_rqbuf && uscmdp->uscsi_rqlen && | |
| 8310 rqlen != 0) { | |
| 8311 bcopy(&(arqstat->sts_sensedata), | |
| 8312 uscmdp->uscsi_rqbuf, rqlen); | |
| 8313 } | |
| 8314 mdi_pi_kstat_iosupdate(mp_uscmdp->pip, bp); | |
| 8315 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8316 "vhci_uscsi_iodone: ARQ " | |
| 8317 "uscsi_rqstatus=0x%x uscsi_rqresid=%d rqlen: %d " | |
| 8318 "xfer: %d rqpkt_resid: %d\n", | |
| 8319 uscmdp->uscsi_rqstatus, uscmdp->uscsi_rqresid, | |
| 8320 uscmdp->uscsi_rqlen, rqlen, | |
| 8321 arqstat->sts_rqpkt_resid)); | |
| 8322 } | |
| 8323 } else if (pkt->pkt_flags & FLAG_SENSING) { | |
| 8324 struct buf *rqbp; | |
| 8325 struct scsi_status *rqstatus; | |
| 8326 | |
| 8327 rqstatus = (struct scsi_status *)pkt->pkt_scbp; | |
| 8328 /* a manual request sense was done - get the information */ | |
| 8329 if (uscmdp->uscsi_flags & USCSI_RQENABLE) { | |
| 8330 int rqlen = SENSE_LENGTH - pkt->pkt_resid; | |
| 8331 | |
| 8332 rqbp = mp_uscmdp->rqbp; | |
| 8333 /* get the amount of data to copy into rqbuf */ | |
| 8334 rqlen = min(((int)uscmdp->uscsi_rqlen), rqlen); | |
| 8335 uscmdp->uscsi_rqresid = uscmdp->uscsi_rqlen - rqlen; | |
| 8336 uscmdp->uscsi_rqstatus = *((char *)rqstatus); | |
| 8337 if (uscmdp->uscsi_rqlen && uscmdp->uscsi_rqbuf) { | |
| 8338 bcopy(rqbp->b_un.b_addr, uscmdp->uscsi_rqbuf, | |
| 8339 rqlen); | |
| 8340 } | |
| 8341 MDI_PI_ERRSTAT(mp_uscmdp->pip, MDI_PI_TRANSERR); | |
| 8342 scsi_free_consistent_buf(rqbp); | |
| 8343 } | |
| 8344 VHCI_DEBUG(4, (CE_NOTE, NULL, "vhci_uscsi_iodone: FLAG_SENSING" | |
| 8345 "uscsi_rqstatus=0x%x uscsi_rqresid=%d\n", | |
| 8346 uscmdp->uscsi_rqstatus, uscmdp->uscsi_rqresid)); | |
| 8347 } else { | |
| 8348 struct scsi_status *status = | |
| 8349 (struct scsi_status *)pkt->pkt_scbp; | |
| 8350 /* | |
| 8351 * Command completed and we're not getting sense. Check for | |
| 8352 * errors and decide what to do next. | |
| 8353 */ | |
| 8354 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8355 "vhci_uscsi_iodone: command appears complete: reason: %x", | |
| 8356 pkt->pkt_reason)); | |
| 8357 if (status->sts_chk) { | |
| 8358 /* need to manually get the request sense */ | |
| 8359 if (vhci_uscsi_send_sense(pkt, mp_uscmdp) == 0) { | |
| 8360 scsi_destroy_pkt(pkt); | |
| 8361 return; | |
| 8362 } | |
| 8363 } else { | |
| 8364 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8365 "vhci_chk_err: appears complete")); | |
| 8366 err = 0; | |
| 8367 mdi_pi_kstat_iosupdate(mp_uscmdp->pip, bp); | |
| 8368 if (pkt->pkt_resid) { | |
| 8369 bp->b_resid += pkt->pkt_resid; | |
| 8370 } | |
| 8371 } | |
| 8372 } | |
| 8373 | |
| 8374 if (err) { | |
| 8375 if (bp->b_resid == 0) | |
| 8376 bp->b_resid = bp->b_bcount; | |
| 8377 bioerror(bp, err); | |
| 8378 bp->b_flags |= B_ERROR; | |
| 8379 } | |
| 8380 | |
| 8381 scsi_destroy_pkt(pkt); | |
| 8382 biodone(bp); | |
| 8383 | |
| 8384 VHCI_DEBUG(4, (CE_WARN, NULL, "vhci_uscsi_iodone: exit")); | |
| 8385 } | |
| 8386 | |
| 8387 /* | |
| 8388 * start routine for the mpapi uscsi command | |
| 8389 */ | |
| 8390 int | |
| 8391 vhci_uscsi_iostart(struct buf *bp) | |
| 8392 { | |
| 8393 struct scsi_pkt *pkt; | |
| 8394 struct uscsi_cmd *uscmdp; | |
| 8395 mp_uscsi_cmd_t *mp_uscmdp; | |
| 8396 int stat_size, rval; | |
| 8397 int retry = 0; | |
| 8398 | |
| 8399 ASSERT(bp->b_private != NULL); | |
| 8400 | |
| 8401 mp_uscmdp = (mp_uscsi_cmd_t *)bp->b_private; | |
| 8402 uscmdp = mp_uscmdp->uscmdp; | |
| 8403 if (uscmdp->uscsi_flags & USCSI_RQENABLE) { | |
| 8404 stat_size = SENSE_LENGTH; | |
| 8405 } else { | |
| 8406 stat_size = 1; | |
| 8407 } | |
| 8408 | |
| 8409 pkt = scsi_init_pkt(mp_uscmdp->ap, NULL, bp, uscmdp->uscsi_cdblen, | |
| 8410 stat_size, 0, 0, SLEEP_FUNC, NULL); | |
| 8411 if (pkt == NULL) { | |
| 8412 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8413 "vhci_uscsi_iostart: rval: EINVAL")); | |
| 8414 bp->b_resid = bp->b_bcount; | |
| 8415 uscmdp->uscsi_resid = bp->b_bcount; | |
| 8416 bioerror(bp, EINVAL); | |
| 8417 biodone(bp); | |
| 8418 return (EINVAL); | |
| 8419 } | |
| 8420 | |
| 8421 pkt->pkt_time = uscmdp->uscsi_timeout; | |
| 8422 bcopy(uscmdp->uscsi_cdb, pkt->pkt_cdbp, (size_t)uscmdp->uscsi_cdblen); | |
| 8423 pkt->pkt_comp = vhci_uscsi_iodone; | |
| 8424 pkt->pkt_private = mp_uscmdp; | |
| 8425 if (uscmdp->uscsi_flags & USCSI_SILENT) | |
| 8426 pkt->pkt_flags |= FLAG_SILENT; | |
| 8427 if (uscmdp->uscsi_flags & USCSI_ISOLATE) | |
| 8428 pkt->pkt_flags |= FLAG_ISOLATE; | |
| 8429 if (uscmdp->uscsi_flags & USCSI_DIAGNOSE) | |
| 8430 pkt->pkt_flags |= FLAG_DIAGNOSE; | |
| 8431 if (uscmdp->uscsi_flags & USCSI_RENEGOT) { | |
| 8432 pkt->pkt_flags |= FLAG_RENEGOTIATE_WIDE_SYNC; | |
| 8433 } | |
| 8434 VHCI_DEBUG(4, (CE_WARN, NULL, | |
| 8435 "vhci_uscsi_iostart: ap: %p pkt: %p pcdbp: %p uscmdp: %p" | |
| 8436 " ucdbp: %p pcdblen: %d bp: %p count: %ld pip: %p" | |
| 8437 " stat_size: %d", | |
| 8438 (void *)mp_uscmdp->ap, (void *)pkt, (void *)pkt->pkt_cdbp, | |
| 8439 (void *)uscmdp, (void *)uscmdp->uscsi_cdb, pkt->pkt_cdblen, | |
| 8440 (void *)bp, bp->b_bcount, (void *)mp_uscmdp->pip, stat_size)); | |
| 8441 | |
|
6640
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8442 /* |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8443 * NOTE: This code path is related to MPAPI uscsi(7I), so path |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8444 * selection is not based on path_instance. |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8445 */ |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8446 if (scsi_pkt_allocated_correctly(pkt)) |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8447 pkt->pkt_path_instance = 0; |
|
c92ca9b95b9c
PSARC/2007/522 Disk enumeration for Sun Fire X4200 and X4200 M2
cth
parents:
6042
diff
changeset
|
8448 |
| 4851 | 8449 while (((rval = scsi_transport(pkt)) == TRAN_BUSY) && |
| 8450 retry < vhci_uscsi_retry_count) { | |
| 8451 delay(drv_usectohz(vhci_uscsi_delay)); | |
| 8452 retry++; | |
| 8453 } | |
| 8454 if (retry >= vhci_uscsi_retry_count) { | |
| 8455 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8456 "vhci_uscsi_iostart: tran_busy - retry: %d", retry)); | |
| 8457 } | |
| 8458 switch (rval) { | |
| 8459 case TRAN_ACCEPT: | |
| 8460 rval = 0; | |
| 8461 break; | |
| 8462 | |
| 8463 default: | |
| 8464 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8465 "vhci_uscsi_iostart: rval: %d count: %ld res: %ld", | |
| 8466 rval, bp->b_bcount, bp->b_resid)); | |
| 8467 bp->b_resid = bp->b_bcount; | |
| 8468 uscmdp->uscsi_resid = bp->b_bcount; | |
| 8469 bioerror(bp, EIO); | |
| 8470 scsi_destroy_pkt(pkt); | |
| 8471 biodone(bp); | |
| 8472 rval = EIO; | |
| 8473 MDI_PI_ERRSTAT(mp_uscmdp->pip, MDI_PI_TRANSERR); | |
| 8474 break; | |
| 8475 } | |
| 8476 VHCI_DEBUG(4, (CE_NOTE, NULL, | |
| 8477 "vhci_uscsi_iostart: exit: rval: %d", rval)); | |
| 8478 return (rval); | |
| 8479 } | |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8480 |
|
9167
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8481 /* ARGSUSED */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8482 static struct scsi_failover_ops * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8483 vhci_dev_fo(dev_info_t *vdip, struct scsi_device *psd, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8484 void **ctprivp, char **fo_namep) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8485 { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8486 struct scsi_failover_ops *sfo; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8487 char *sfo_name; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8488 char *override; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8489 struct scsi_failover *sf; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8490 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8491 ASSERT(psd && psd->sd_inq); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8492 if ((psd == NULL) || (psd->sd_inq == NULL)) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8493 VHCI_DEBUG(1, (CE_NOTE, NULL, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8494 "!vhci_dev_fo:return NULL no scsi_device or inquiry")); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8495 return (NULL); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8496 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8497 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8498 /* |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8499 * Determine if device is supported under scsi_vhci, and select |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8500 * failover module. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8501 * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8502 * See if there is a scsi_vhci.conf file override for this devices's |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8503 * VID/PID. The following values can be returned: |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8504 * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8505 * NULL If the NULL is returned then there is no scsi_vhci.conf |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8506 * override. For NULL, we determine the failover_ops for |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8507 * this device by checking the sfo_device_probe entry |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8508 * point for each 'fops' module, in order. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8509 * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8510 * NOTE: Correct operation may depend on module ordering |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8511 * of 'specific' (failover modules that are completely |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8512 * VID/PID table based) to 'generic' (failover modules |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8513 * that based on T10 standards like TPGS). Currently, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8514 * the value of 'ddi-forceload' in scsi_vhci.conf is used |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8515 * to establish the module list and probe order. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8516 * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8517 * "NONE" If value "NONE" is returned then there is a |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8518 * scsi_vhci.conf VID/PID override to indicate the device |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8519 * should not be supported under scsi_vhci (even if there |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8520 * is an 'fops' module supporting the device). |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8521 * |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8522 * "<other>" If another value is returned then that value is the |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8523 * name of the 'fops' module that should be used. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8524 */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8525 sfo = NULL; /* "NONE" */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8526 override = scsi_get_device_type_string( |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8527 "scsi-vhci-failover-override", vdip, psd); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8528 if (override == NULL) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8529 /* NULL: default: select based on sfo_device_probe results */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8530 for (sf = scsi_failover_table; sf->sf_mod; sf++) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8531 if ((sf->sf_sfo == NULL) || |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8532 sf->sf_sfo->sfo_device_probe(psd, psd->sd_inq, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8533 ctprivp) == SFO_DEVICE_PROBE_PHCI) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8534 continue; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8535 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8536 /* found failover module, supported under scsi_vhci */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8537 sfo = sf->sf_sfo; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8538 if (fo_namep && (*fo_namep == NULL)) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8539 sfo_name = i_ddi_strdup(sfo->sfo_name, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8540 KM_SLEEP); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8541 *fo_namep = sfo_name; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8542 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8543 break; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8544 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8545 } else if (strcasecmp(override, "NONE")) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8546 /* !"NONE": select based on driver.conf specified name */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8547 for (sf = scsi_failover_table, sfo = NULL; sf->sf_mod; sf++) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8548 if ((sf->sf_sfo == NULL) || |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8549 (sf->sf_sfo->sfo_name == NULL) || |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8550 strcmp(override, sf->sf_sfo->sfo_name)) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8551 continue; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8552 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8553 /* |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8554 * NOTE: If sfo_device_probe() has side-effects, |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8555 * including setting *ctprivp, these are not going |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8556 * to occur with override config. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8557 */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8558 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8559 /* found failover module, supported under scsi_vhci */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8560 sfo = sf->sf_sfo; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8561 if (fo_namep && (*fo_namep == NULL)) { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8562 sfo_name = kmem_alloc(strlen("conf ") + |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8563 strlen(sfo->sfo_name) + 1, KM_SLEEP); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8564 (void) sprintf(sfo_name, "conf %s", |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8565 sfo->sfo_name); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8566 *fo_namep = sfo_name; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8567 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8568 break; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8569 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8570 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8571 if (override) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8572 kmem_free(override, strlen(override) + 1); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8573 return (sfo); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8574 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8575 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8576 /* |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8577 * Determine the device described by cinfo should be enumerated under |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8578 * the vHCI or the pHCI - if there is a failover ops then device is |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8579 * supported under vHCI. By agreement with SCSA cinfo is a pointer |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8580 * to a scsi_device structure associated with a decorated pHCI probe node. |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8581 */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8582 /* ARGSUSED */ |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8583 int |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8584 vhci_is_dev_supported(dev_info_t *vdip, dev_info_t *pdip, void *cinfo) |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8585 { |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8586 struct scsi_device *psd = (struct scsi_device *)cinfo; |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8587 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8588 return (vhci_dev_fo(vdip, psd, NULL, NULL) ? MDI_SUCCESS : MDI_FAILURE); |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8589 } |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8590 |
|
21b904fd060c
PSARC/2009/114 mdi_is_dev_supported
Randall Ralphs <Randall.Ralphs@Sun.COM>
parents:
9106
diff
changeset
|
8591 |
|
6941
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8592 #ifdef DEBUG |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8593 extern struct scsi_key_strings scsi_cmds[]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8594 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8595 static char * |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8596 vhci_print_scsi_cmd(char cmd) |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8597 { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8598 char tmp[64]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8599 char *cpnt; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8600 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8601 cpnt = scsi_cmd_name(cmd, scsi_cmds, tmp); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8602 /* tmp goes out of scope on return and caller sees garbage */ |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8603 if (cpnt == tmp) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8604 cpnt = "Unknown Command"; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8605 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8606 return (cpnt); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8607 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8608 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8609 extern uchar_t scsi_cdb_size[]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8610 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8611 static void |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8612 vhci_print_cdb(dev_info_t *dip, uint_t level, char *title, uchar_t *cdb) |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8613 { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8614 int len = scsi_cdb_size[CDB_GROUPID(cdb[0])]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8615 char buf[256]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8616 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8617 if (level == CE_NOTE) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8618 vhci_log(level, dip, "path cmd %s\n", |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8619 vhci_print_scsi_cmd(*cdb)); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8620 return; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8621 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8622 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8623 (void) sprintf(buf, "%s for cmd(%s)", title, vhci_print_scsi_cmd(*cdb)); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8624 vhci_clean_print(dip, level, buf, cdb, len); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8625 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8626 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8627 static void |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8628 vhci_clean_print(dev_info_t *dev, uint_t level, char *title, uchar_t *data, |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8629 int len) |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8630 { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8631 int i; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8632 int c; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8633 char *format; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8634 char buf[256]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8635 uchar_t byte; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8636 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8637 (void) sprintf(buf, "%s:\n", title); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8638 vhci_log(level, dev, "%s", buf); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8639 level = CE_CONT; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8640 for (i = 0; i < len; ) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8641 buf[0] = 0; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8642 for (c = 0; c < 8 && i < len; c++, i++) { |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8643 byte = (uchar_t)data[i]; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8644 if (byte < 0x10) |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8645 format = "0x0%x "; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8646 else |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8647 format = "0x%x "; |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8648 (void) sprintf(&buf[(int)strlen(buf)], format, byte); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8649 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8650 (void) sprintf(&buf[(int)strlen(buf)], "\n"); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8651 |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8652 vhci_log(level, dev, "%s\n", buf); |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8653 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8654 } |
|
c5d83acec1bc
6459247 scsi_vhci does not return correct value for dma-max property
rralphs
parents:
6777
diff
changeset
|
8655 #endif |
|
10696
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8656 static void |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8657 vhci_invalidate_mpapi_lu(struct scsi_vhci *vhci, scsi_vhci_lun_t *vlun) |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8658 { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8659 char *svl_wwn; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8660 mpapi_item_list_t *ilist; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8661 mpapi_lu_data_t *ld; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8662 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8663 if (vlun == NULL) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8664 return; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8665 } else { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8666 svl_wwn = vlun->svl_lun_wwn; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8667 } |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8668 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8669 ilist = vhci->mp_priv->obj_hdr_list[MP_OBJECT_TYPE_MULTIPATH_LU]->head; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8670 |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8671 while (ilist != NULL) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8672 ld = (mpapi_lu_data_t *)(ilist->item->idata); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8673 if ((ld != NULL) && (strncmp(ld->prop.name, svl_wwn, |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8674 strlen(svl_wwn)) == 0)) { |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8675 ld->valid = 0; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8676 VHCI_DEBUG(6, (CE_WARN, NULL, |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8677 "vhci_invalidate_mpapi_lu: " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8678 "Invalidated LU(%s)", svl_wwn)); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8679 return; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8680 } |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8681 ilist = ilist->next; |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8682 } |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8683 VHCI_DEBUG(6, (CE_WARN, NULL, "vhci_invalidate_mpapi_lu: " |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8684 "Could not find LU(%s) to invalidate.", svl_wwn)); |
|
cd0f390dd9e2
PSARC 2008/672 thebe SAS/SATA driver
dh142964 <David.Hollister@Sun.COM>
parents:
10098
diff
changeset
|
8685 } |