illumos/illumos-gate: usr/src/uts/sun4v/sys/vdc.h annotate

annotate usr/src/uts/sun4v/sys/vdc.h @ 10971:2663784ac9bb

backout 6726533: causes 6898072

author	jmcp <James.McPherson@Sun.COM>
date	Thu, 05 Nov 2009 15:54:24 -0800
parents	c6175c150216
children	4bcbed8266fd

rev	line source
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	1 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	2 * CDDL HEADER START
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	3 *
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	4 * The contents of this file are subject to the terms of the
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	5 * Common Development and Distribution License (the "License").
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	6 * You may not use this file except in compliance with the License.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	7 *
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	9 * or http://www.opensolaris.org/os/licensing.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	10 * See the License for the specific language governing permissions
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	11 * and limitations under the License.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	12 *
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	13 * When distributing Covered Code, include this CDDL HEADER in each
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	15 * If applicable, add the following below this CDDL HEADER, with the
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	16 * fields enclosed by brackets "[]" replaced with your own identifying
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	17 * information: Portions Copyright [yyyy] [name of copyright owner]
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	18 *
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	19 * CDDL HEADER END
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	20 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	21
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	22 /*
9889 68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	24 * Use is subject to license terms.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	25 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	26
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	27 #ifndef _VDC_H
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	28 #define _VDC_H
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	29
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	30 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	31 * Virtual disk client implementation definitions
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	32 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	33
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	34 #include <sys/sysmacros.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	35 #include <sys/note.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	36
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	37 #include <sys/ldc.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	38 #include <sys/vio_mailbox.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	39 #include <sys/vdsk_mailbox.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	40 #include <sys/vdsk_common.h>
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	41
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	42 #ifdef __cplusplus
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	43 extern "C" {
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	44 #endif
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	45
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	46 #define VDC_DRIVER_NAME "vdc"
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	47
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	48 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	49 * Bit-field values to indicate if parts of the vdc driver are initialised.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	50 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	51 #define VDC_SOFT_STATE 0x0001
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	52 #define VDC_LOCKS 0x0002
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	53 #define VDC_MINOR 0x0004
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	54 #define VDC_THREAD 0x0008
6480 d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	55 #define VDC_DRING_INIT 0x0010 /* The DRing was created */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	56 #define VDC_DRING_BOUND 0x0020 /* The DRing was bound to an LDC channel */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	57 #define VDC_DRING_LOCAL 0x0040 /* The local private DRing was allocated */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	58 #define VDC_DRING_ENTRY 0x0080 /* At least one DRing entry was initialised */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	59 #define VDC_DRING (VDC_DRING_INIT \| VDC_DRING_BOUND \| \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	60 VDC_DRING_LOCAL \| VDC_DRING_ENTRY)
6480 d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	61 #define VDC_HANDSHAKE 0x0100 /* Indicates if a handshake is in progress */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	62 #define VDC_HANDSHAKE_STOP 0x0200 /* stop further handshakes */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	63
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	64 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	65 * Definitions of MD nodes/properties.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	66 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	67 #define VDC_MD_CHAN_NAME "channel-endpoint"
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	68 #define VDC_MD_VDEV_NAME "virtual-device"
4848 eee1ef6f0e3e FWARC 2007/363 VIO vDisk MD node updates achartre parents: 3078 diff changeset	69 #define VDC_MD_PORT_NAME "virtual-device-port"
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	70 #define VDC_MD_DISK_NAME "disk"
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	71 #define VDC_MD_CFG_HDL "cfg-handle"
4848 eee1ef6f0e3e FWARC 2007/363 VIO vDisk MD node updates achartre parents: 3078 diff changeset	72 #define VDC_MD_TIMEOUT "vdc-timeout"
eee1ef6f0e3e FWARC 2007/363 VIO vDisk MD node updates achartre parents: 3078 diff changeset	73 #define VDC_MD_ID "id"
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	74
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	75 /*
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	76 * Definition of actions to be carried out when processing the sequence ID
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	77 * of a message received from the vDisk server. The function verifying the
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	78 * sequence number checks the 'seq_num_xxx' fields in the soft state and
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	79 * returns whether the message should be processed (VDC_SEQ_NUM_TODO) or
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	80 * whether it was it was previously processed (VDC_SEQ_NUM_SKIP).
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	81 */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	82 #define VDC_SEQ_NUM_INVALID -1 /* Error */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	83 #define VDC_SEQ_NUM_SKIP 0 /* Request already processed */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	84 #define VDC_SEQ_NUM_TODO 1 /* Request needs processing */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	85
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	86 /*
3078 aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	87 * Macros to get UNIT and PART number
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	88 */
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	89 #define VDCUNIT_SHIFT 3
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	90 #define VDCPART_MASK 7
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	91
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	92 #define VDCUNIT(dev) (getminor((dev)) >> VDCUNIT_SHIFT)
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	93 #define VDCPART(dev) (getminor((dev)) & VDCPART_MASK)
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	94
aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	95 /*
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	96 * Scheme to store the instance number and the slice number in the minor number.
3078 aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	97 * (NOTE: Uses the same format and definitions as the sd(7D) driver)
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	98 */
3078 aa37b7e3c5c7 6485548 Can not create zpool on guest domain with an entire vdisk narayan parents: 2793 diff changeset	99 #define VD_MAKE_DEV(instance, minor) ((instance << VDCUNIT_SHIFT) \| minor)
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	100
9889 68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	101 #define VDC_EFI_DEV_SET(dev, vdsk, ioctl) \
68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	102 VDSK_EFI_DEV_SET(dev, vdsk, ioctl, \
68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	103 (vdsk)->vdisk_bsize, (vdsk)->vdisk_size)
68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	104
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	105 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	106 * variables controlling how long to wait before timing out and how many
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	107 * retries to attempt before giving up when communicating with vds.
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	108 *
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	109 * These values need to be sufficiently large so that a guest can survive
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	110 * the reboot of the service domain.
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	111 */
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	112 #define VDC_RETRIES 10
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	113
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	114 #define VDC_USEC_TIMEOUT_MIN (30 * MICROSEC) /* 30 sec */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	115
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	116 /*
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	117 * This macro returns the number of Hz that the vdc driver should wait before
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	118 * a timeout is triggered. The 'timeout' parameter specifiecs the wait
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	119 * time in Hz. The 'mul' parameter allows for a multiplier to be
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	120 * specified allowing for a backoff to be implemented (e.g. using the
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	121 * retry number as a multiplier) where the wait time will get longer if
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	122 * there is no response on the previous retry.
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	123 */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	124 #define VD_GET_TIMEOUT_HZ(timeout, mul) \
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	125 (ddi_get_lbolt() + ((timeout) * MAX(1, (mul))))
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	126
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	127 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	128 * Macros to manipulate Descriptor Ring variables in the soft state
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	129 * structure.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	130 */
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	131 #define VDC_GET_NEXT_REQ_ID(vdc) ((vdc)->req_id++)
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	132
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	133 #define VDC_GET_DRING_ENTRY_PTR(vdc, idx) \
5365 e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	134 (vd_dring_entry_t *)(uintptr_t)((vdc)->dring_mem_info.vaddr + \
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	135 (idx * (vdc)->dring_entry_size))
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	136
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	137 #define VDC_MARK_DRING_ENTRY_FREE(vdc, idx) \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	138 { \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	139 vd_dring_entry_t *dep = NULL; \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	140 ASSERT(vdc != NULL); \
5365 e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	141 ASSERT(idx < vdc->dring_len); \
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	142 ASSERT(vdc->dring_mem_info.vaddr != NULL); \
5365 e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	143 dep = (vd_dring_entry_t *)(uintptr_t) \
e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	144 (vdc->dring_mem_info.vaddr + \
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	145 (idx * vdc->dring_entry_size)); \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	146 ASSERT(dep != NULL); \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	147 dep->hdr.dstate = VIO_DESC_FREE; \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	148 }
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	149
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	150 /* Initialise the Session ID and Sequence Num in the DRing msg */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	151 #define VDC_INIT_DRING_DATA_MSG_IDS(dmsg, vdc) \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	152 ASSERT(vdc != NULL); \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	153 dmsg.tag.vio_sid = vdc->session_id; \
2032 b9ba1b330453 6422255 vdc could handle handshake restarts better lm66018 parents: 1991 diff changeset	154 dmsg.seq_num = vdc->seq_num;
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	155
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	156 /*
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	157 * The states that the read thread can be in.
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	158 */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	159 typedef enum vdc_rd_state {
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	160 VDC_READ_IDLE, /* idling - conn is not up */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	161 VDC_READ_WAITING, /* waiting for data */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	162 VDC_READ_PENDING, /* pending data avail for read */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	163 VDC_READ_RESET /* channel was reset - stop reads */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	164 } vdc_rd_state_t;
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	165
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	166 /*
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	167 * The states that the vdc-vds connection can be in.
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	168 */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	169 typedef enum vdc_state {
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	170 VDC_STATE_INIT, /* device is initialized */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	171 VDC_STATE_INIT_WAITING, /* waiting for ldc connection */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	172 VDC_STATE_NEGOTIATE, /* doing handshake negotiation */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	173 VDC_STATE_HANDLE_PENDING, /* handle requests in backup dring */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	174 VDC_STATE_RUNNING, /* running and accepting requests */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	175 VDC_STATE_DETACH, /* detaching */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	176 VDC_STATE_RESETTING /* resetting connection with vds */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	177 } vdc_state_t;
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	178
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	179 /*
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	180 * The states that the vdc instance can be in.
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	181 */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	182 typedef enum vdc_lc_state {
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	183 VDC_LC_ATTACHING, /* driver is attaching */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	184 VDC_LC_ONLINE, /* driver is attached and online */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	185 VDC_LC_DETACHING /* driver is detaching */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	186 } vdc_lc_state_t;
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	187
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	188 /*
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	189 * Local Descriptor Ring entry
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	190 *
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	191 * vdc creates a Local (private) descriptor ring the same size as the
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	192 * public descriptor ring it exports to vds.
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	193 */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	194
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	195 typedef enum {
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	196 VIO_read_dir, /* read data from server */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	197 VIO_write_dir, /* write data to server */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	198 VIO_both_dir /* transfer both in and out in same buffer */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	199 } vio_desc_direction_t;
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	200
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	201 typedef enum {
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	202 CB_STRATEGY, /* non-blocking strategy call */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	203 CB_SYNC /* synchronous operation */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	204 } vio_cb_type_t;
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	205
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	206 typedef struct vdc_local_desc {
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	207 boolean_t is_free; /* local state - inuse or not */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	208
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	209 int operation; /* VD_OP_xxx to be performed */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	210 caddr_t addr; /* addr passed in by consumer */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	211 int slice;
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	212 diskaddr_t offset; /* disk offset */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	213 size_t nbytes;
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	214 vio_cb_type_t cb_type; /* operation type blk/nonblk */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	215 void cb_arg; / buf passed to strategy() */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	216 vio_desc_direction_t dir; /* direction of transfer */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	217
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	218 caddr_t align_addr; /* used if addr non-aligned */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	219 ldc_mem_handle_t desc_mhdl; /* Mem handle of buf */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	220 vd_dring_entry_t dep; / public Dring Entry Pointer */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	221
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	222 } vdc_local_desc_t;
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	223
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	224 /*
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	225 * I/O queue used by failfast
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	226 */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	227 typedef struct vdc_io {
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	228 struct vdc_io vio_next; / next pending I/O in the queue */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	229 struct buf vio_buf; / buf for CB_STRATEGY I/O */
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	230 clock_t vio_qtime; /* time the I/O was queued */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	231 } vdc_io_t;
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	232
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	233 /*
6480 d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	234 * Per vDisk server channel states
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	235 */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	236 #define VDC_LDC_INIT 0x0001
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	237 #define VDC_LDC_CB 0x0002
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	238 #define VDC_LDC_OPEN 0x0004
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	239 #define VDC_LDC (VDC_LDC_INIT \| VDC_LDC_CB \| VDC_LDC_OPEN)
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	240
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	241 /*
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	242 * vDisk server information
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	243 */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	244 typedef struct vdc_server {
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	245 struct vdc_server next; / Next server */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	246 struct vdc vdcp; / Ptr to vdc struct */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	247 uint64_t id; /* Server port id */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	248 uint64_t state; /* Server state */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	249 uint64_t ldc_id; /* Server LDC id */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	250 ldc_handle_t ldc_handle; /* Server LDC handle */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	251 ldc_status_t ldc_state; /* Server LDC state */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	252 uint64_t ctimeout; /* conn tmout (secs) */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	253 } vdc_server_t;
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	254
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	255 /*
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	256 * vdc soft state structure
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	257 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	258 typedef struct vdc {
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	259
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	260 kmutex_t lock; /* protects next 2 sections of vars */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	261 kcondvar_t running_cv; /* signal when upper layers can send */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	262 kcondvar_t initwait_cv; /* signal when ldc conn is up */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	263 kcondvar_t dring_free_cv; /* signal when desc is avail */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	264 kcondvar_t membind_cv; /* signal when mem can be bound */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	265 boolean_t self_reset;
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	266
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	267 int initialized; /* keeps track of what's init'ed */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	268 vdc_lc_state_t lifecycle; /* Current state of the vdc instance */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	269
2032 b9ba1b330453 6422255 vdc could handle handshake restarts better lm66018 parents: 1991 diff changeset	270 int hshake_cnt; /* number of failed handshakes */
4963 ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	271 uint8_t open[OTYPCNT]; /* mask of opened slices */
ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	272 uint8_t open_excl; /* mask of exclusively opened slices */
ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	273 ulong_t open_lyr[V_NUMPAR]; /* number of layered opens */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	274 int dkio_flush_pending; /* # outstanding DKIO flushes */
4963 ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	275 int validate_pending; /* # outstanding validate request */
ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	276 vd_disk_label_t vdisk_label; /* label type of device/disk imported */
7563 84ec90ffc3f7 PSARC/2008/336 Extended VTOC Prasad Singamsetty <Prasad.Singamsetty@Sun.COM> parents: 6623 diff changeset	277 struct extvtoc vtoc; / structure to store VTOC data */
4963 ce6338ba4a73 6531913 vds can lose access to vdisks built from files located on the root fs achartre parents: 4848 diff changeset	278 struct dk_geom geom; / structure to store geometry data */
5874 4c514db6bfb0 6528974 Usage of DKIOCGETEFI has changed and impacts vdisks using zfs volumes achartre parents: 5658 diff changeset	279 vd_slice_t slice[V_NUMPAR]; /* logical partitions */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	280
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	281 kthread_t msg_proc_thr; / main msg processing thread */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	282
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	283 kmutex_t read_lock; /* lock to protect read */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	284 kcondvar_t read_cv; /* cv to wait for READ events */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	285 vdc_rd_state_t read_state; /* current read state */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	286
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	287 uint32_t sync_op_cnt; /* num of active sync operations */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	288 boolean_t sync_op_pending; /* sync operation is pending */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	289 boolean_t sync_op_blocked; /* blocked waiting to do sync op */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	290 uint32_t sync_op_status; /* status of sync operation */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	291 kcondvar_t sync_pending_cv; /* cv wait for sync op to finish */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	292 kcondvar_t sync_blocked_cv; /* cv wait for other syncs to finish */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	293
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	294 uint64_t session_id; /* common ID sent with all messages */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	295 uint64_t seq_num; /* most recent sequence num generated */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	296 uint64_t seq_num_reply; /* Last seq num ACK/NACK'ed by vds */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	297 uint64_t req_id; /* Most recent Request ID generated */
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	298 uint64_t req_id_proc; /* Last request ID processed by vdc */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	299 vdc_state_t state; /* Current disk client-server state */
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	300
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	301 dev_info_t dip; / device info pointer */
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	302 int instance; /* driver instance number */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	303
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	304 vio_ver_t ver; /* version number agreed with server */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	305 vd_disk_type_t vdisk_type; /* type of device/disk being imported */
5365 e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	306 uint32_t vdisk_media; /* physical media type of vDisk */
2531 65c5d20aa275 6419154 libpcp pcp_init routine should accept service names narayan parents: 2410 diff changeset	307 uint64_t vdisk_size; /* device size in blocks */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	308 uint64_t max_xfer_sz; /* maximum block size of a descriptor */
9889 68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	309 uint64_t vdisk_bsize; /* blk size for the virtual disk */
68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	310 uint32_t vio_bmask; /* mask to check vio blk alignment */
68d0fe4c716e PSARC 2008/769 Multiple disk sector size support. yu, larry liu - Sun Microsystems - Beijing China <Larry.Liu@Sun.COM> parents: 7563 diff changeset	311 int vio_bshift; /* shift for vio blk conversion */
5365 e9a7403eebeb FWARC 2007/602 VIO vDisk Protocol Updates lm66018 parents: 4963 diff changeset	312 uint64_t operations; /* bitmask of ops. server supports */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	313 struct dk_cinfo cinfo; / structure to store DKIOCINFO data */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	314 struct dk_minfo minfo; / structure for DKIOCGMEDIAINFO data */
2531 65c5d20aa275 6419154 libpcp pcp_init routine should accept service names narayan parents: 2410 diff changeset	315 ddi_devid_t devid; /* device id */
4848 eee1ef6f0e3e FWARC 2007/363 VIO vDisk MD node updates achartre parents: 3078 diff changeset	316 boolean_t ctimeout_reached; /* connection timeout has expired */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	317
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	318 /*
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	319 * The ownership fields are protected by the lock mutex. The
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	320 * ownership_lock mutex is used to serialize ownership operations;
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	321 * it should be acquired before the lock mutex.
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	322 */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	323 kmutex_t ownership_lock; /* serialize ownership ops */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	324 int ownership; /* ownership status flags */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	325 kthread_t ownership_thread; / ownership thread */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	326 kcondvar_t ownership_cv; /* cv for ownership update */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	327
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	328 /*
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	329 * The failfast fields are protected by the lock mutex.
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	330 */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	331 kthread_t failfast_thread; / failfast thread */
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	332 clock_t failfast_interval; /* interval in microsecs */
10971 2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	333 kcondvar_t failfast_cv; /* cv for failfast update */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	334 kcondvar_t failfast_io_cv; /* cv wait for I/O to finish */
2663784ac9bb backout 6726533: causes 6898072 jmcp <James.McPherson@Sun.COM> parents: 10812 diff changeset	335 vdc_io_t failfast_io_queue; / failfast io queue */
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	336
6099 b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	337 /*
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	338 * kstats used to store I/O statistics consumed by iostat(1M).
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	339 * These are protected by the lock mutex.
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	340 */
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	341 kstat_t *io_stats;
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	342 kstat_t *err_stats;
b338715e1b52 6503157 guest domain I/O statistics need to be made available to iostat(1M) lm66018 parents: 5874 diff changeset	343
6480 d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	344 ldc_dring_handle_t dring_hdl; /* dring handle */
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	345 ldc_mem_info_t dring_mem_info; /* dring information */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	346 uint_t dring_curr_idx; /* current index */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	347 uint32_t dring_len; /* dring length */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	348 uint32_t dring_max_cookies; /* dring max cookies */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	349 uint32_t dring_cookie_count; /* num cookies */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	350 uint32_t dring_entry_size; /* descriptor size */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	351 ldc_mem_cookie_t dring_cookie; / dring cookies */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	352 uint64_t dring_ident; /* dring ident */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	353
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	354 uint64_t threads_pending; /* num of threads */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	355
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	356 vdc_local_desc_t local_dring; / local dring */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	357 vdc_local_desc_t local_dring_backup; / local dring backup */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	358 int local_dring_backup_tail; /* backup dring tail */
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	359 int local_dring_backup_len; /* backup dring len */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	360
6480 d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	361 int num_servers; /* no. of servers */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	362 vdc_server_t server_list; / vdisk server list */
d50f51fd3502 6622004 vdc should support multi-pathing using multiple vdisk servers narayan parents: 6099 diff changeset	363 vdc_server_t curr_server; / curr vdisk server */
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	364 } vdc_t;
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	365
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	366 /*
5658 73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	367 * Ownership status flags
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	368 */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	369 #define VDC_OWNERSHIP_NONE 0x00 /* no ownership wanted */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	370 #define VDC_OWNERSHIP_WANTED 0x01 /* ownership is wanted */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	371 #define VDC_OWNERSHIP_GRANTED 0x02 /* ownership has been granted */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	372 #define VDC_OWNERSHIP_RESET 0x04 /* ownership has been reset */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	373
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	374 /*
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	375 * Reservation conflict panic message
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	376 */
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	377 #define VDC_RESV_CONFLICT_FMT_STR "Reservation Conflict\nDisk: "
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	378 #define VDC_RESV_CONFLICT_FMT_LEN (sizeof (VDC_RESV_CONFLICT_FMT_STR))
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	379
73d21dd02285 FWARC 2007/672 VIO vDisk Protocol Updates achartre parents: 5365 diff changeset	380 /*
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	381 * Debugging macros
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	382 */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	383 #ifdef DEBUG
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	384 extern int vdc_msglevel;
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	385 extern uint64_t vdc_matchinst;
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	386
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	387 #define DMSG(_vdc, err_level, format, ...) \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	388 do { \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	389 if (vdc_msglevel > err_level && \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	390 (vdc_matchinst & (1ull << (_vdc)->instance))) \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	391 cmn_err(CE_CONT, "?[%d,t@%p] %s: "format, \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	392 (_vdc)->instance, (void *)curthread, \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	393 __func__, __VA_ARGS__); \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	394 _NOTE(CONSTANTCONDITION) \
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	395 } while (0);
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	396
a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	397 #define DMSGX(err_level, format, ...) \
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	398 do { \
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	399 if (vdc_msglevel > err_level) \
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	400 cmn_err(CE_CONT, "?%s: "format, __func__, __VA_ARGS__);\
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	401 _NOTE(CONSTANTCONDITION) \
0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	402 } while (0);
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	403
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	404 #define VDC_DUMP_DRING_MSG(dmsgp) \
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	405 DMSGX(0, "sq:%lu start:%d end:%d ident:%lu\n", \
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	406 dmsgp->seq_num, dmsgp->start_idx, \
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	407 dmsgp->end_idx, dmsgp->dring_ident);
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	408
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	409 #else /* !DEBUG */
2410 0faef06c73cd 6432376 vds and vdc don't negotiate max transfer size supported correctly lm66018 parents: 2032 diff changeset	410 #define DMSG(err_level, ...)
2793 a30c4090b49f 6458676 memory leak with 12 hours all_solaris_tests. lm66018 parents: 2531 diff changeset	411 #define DMSGX(err_level, format, ...)
1991 f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	412 #define VDC_DUMP_DRING_MSG(dmsgp)
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	413
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	414 #endif /* !DEBUG */
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	415
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	416 #ifdef __cplusplus
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	417 }
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	418 #endif
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	419
f29baf5bf770 FWARC 2005/633 Project Q Logial Domaining Umbrella heppo parents: diff changeset	420 #endif /* _VDC_H */

Mercurial > illumos > illumos-gate

annotate usr/src/uts/sun4v/sys/vdc.h @ 10971:2663784ac9bb