sarpn: arch/channel.h annotate

author	Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
date	Thu, 07 Apr 2011 22:07:20 -0400
parents
children	c75be274ce23

rev	line source
12 40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	1 #ifndef __CHANNEL_H
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	2 #define __CHANNEL_H
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	3
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	4 #define CON_LEN 132
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	5
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	6 struct pmcw {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	7 /* word 0 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	8 u32 interrupt_param; /* Interruption Parameter */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	9
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	10 /* word 1*/
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	11 u8 __zero1:2,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	12 isc:3, /* I/O-Interruption-Subclass Code */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	13 __zero2:3;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	14 u8 e:1, /* Enabled */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	15 lm:2, /* Limit Mode */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	16 mm:2, /* Measurement-Mode Enable */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	17 d:1, /* Multipath Mode */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	18 t:1, /* Timing Facility */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	19 v:1; /* Device Number Valid */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	20 u16 dev_num; /* Device Number */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	21
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	22 /* word 2 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	23 u8 lpm; /* Logical-Path Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	24 u8 pnom; /* Path-Not-Operational Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	25 u8 lpum; /* Last-Path-Used Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	26 u8 pim; /* Path-Installed Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	27
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	28 /* word 3 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	29 u16 mbi; /* Measurement-Block Index */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	30 u8 pom; /* Path-Operational Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	31 u8 pam; /* Path-Available Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	32
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	33 /* word 4 & 5 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	34 u8 chpid[8]; /* Channel-Path Identifiers */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	35
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	36 /* word 6 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	37 u16 __zero3;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	38 u16 __zero4:13,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	39 f:1, /* Measurement Block Format Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	40 x:1, /* Extended Measurement Word Mode Enable */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	41 s:1; /* Concurrent Sense */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	42 };
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	43
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	44 struct scsw {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	45 /* word 0 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	46 u16 key:4, /* Subchannel key */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	47 s:1, /* Suspend control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	48 l:1, /* ESW format */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	49 cc:2, /* Deferred condition code */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	50 f:1, /* Format */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	51 p:1, /* Prefetch */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	52 i:1, /* Initial-status interruption control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	53 a:1, /* Address-limit-checking control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	54 u:1, /* Supress-suspended interruption */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	55 z:1, /* Zero condition code */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	56 e:1, /* Extended control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	57 n:1; /* Path no operational */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	58 u16 __zero:1,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	59 fc:3, /* Function control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	60 ac:7, /* Activity control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	61 sc:5; /* Status control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	62
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	63 /* word 1 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	64 u32 addr; /* CCW Address */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	65
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	66 /* word 2 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	67 u8 dev_status; /* Device status */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	68 u8 sch_status; /* Subchannel status */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	69 u16 count; /* Count */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	70 } __attribute__((packed));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	71
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	72 struct schib {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	73 struct pmcw pmcw; /* Path Management Control Word */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	74 struct scsw scsw; /* Subchannel Status Word */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	75 u32 measure_block_1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	76 u32 measure_block_2;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	77 u32 model_dep_area;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	78 } __attribute__((packed,aligned(4)));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	79
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	80 struct orb {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	81 /* word 0 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	82 u32 param; /* Interruption Parameter */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	83
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	84 /* word 1 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	85 u8 key:4, /* Subchannel Key */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	86 s:1, /* Suspend */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	87 c:1, /* Streaming-Mode Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	88 m:1, /* Modification Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	89 y:1; /* Synchronization Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	90 u8 f:1, /* Format Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	91 p:1, /* Prefetch Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	92 i:1, /* Initial-Status-Interruption Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	93 a:1, /* Address-Limit-Checking control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	94 u:1, /* Suppress-Suspend-Interruption Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	95 __zero1:1,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	96 h:1, /* Format-2-IDAW Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	97 t:1; /* 2K-IDAW Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	98 u8 lpm; /* Logical-Path Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	99 u8 l:1, /* Incorrect-Length-Suppression Mode */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	100 d:1, /* Modified-CCW-Indirect-Data-Addressing Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	101 __zero2:5,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	102 x:1; /* ORB-Extension Control */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	103
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	104 /* word 2 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	105 u32 addr; /* Channel-Program Address */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	106
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	107 /* word 3 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	108 u8 css_prio; /* Channel-Subsystem Priority */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	109 u8 __reserved1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	110 u8 cu_prio; /* Control-Unit Priority */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	111 u8 __reserved2;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	112
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	113 /* word 4 - 7 */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	114 u32 __reserved3;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	115 u32 __reserved4;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	116 u32 __reserved5;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	117 u32 __reserved6;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	118 } __attribute__((packed,aligned(4)));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	119
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	120 struct ccw {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	121 u8 cmd; /* Command code */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	122 u8 flags; /* Flags */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	123 u16 count; /* Count */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	124 u32 addr; /* Data Address */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	125 } __attribute__((packed,aligned(8)));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	126
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	127 struct psw {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	128 u8 _zero0:1,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	129 r:1, /* PER Mask (R) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	130 _zero1:3,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	131 t:1, /* DAT Mode (T) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	132 io:1, /* I/O Mask (IO) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	133 ex:1; /* External Mask (EX) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	134
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	135 u8 key:4, /* Key */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	136 _zero2:1,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	137 m:1, /* Machine-Check Mask (M) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	138 w:1, /* Wait State (W) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	139 p:1; /* Problem State (P) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	140
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	141 u8 as:2, /* Address-Space Control (AS) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	142 cc:2, /* Condition Code (CC) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	143 prog_mask:4; /* Program Mask */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	144
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	145 u8 _zero3:7,
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	146 ea:1; /* Extended Addressing (EA) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	147
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	148 u32 ba:1, /* Basic Addressing (BA) */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	149 _zero4:31;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	150
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	151 u64 ptr;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	152 };
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	153
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	154 struct irb {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	155 struct scsw scsw; /* Subchannel-Status */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	156 u32 w0a, w1a, w2a, w3a, w4a;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	157 u32 w0b, w1b, w2b, w3b, w4b, w5b, w6b, w7b;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	158 u32 w0c, w1c, w2c, w3c, w4c, w5c, w6c, w7c;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	159 } __attribute__((packed,aligned(4)));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	160
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	161 static inline int store_sch(u32 sch, struct schib *schib)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	162 {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	163 int cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	164
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	165 asm volatile(
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	166 "lr %%r1,%2\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	167 "stsch %1\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	168 "ipm %0\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	169 "srl %0,28\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	170 : /* output */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	171 "=d" (cc),
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	172 "=Q" (*schib)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	173 : /* input */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	174 "d" (sch)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	175 : /* clobbered */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	176 "cc", "r1", "memory"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	177 );
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	178
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	179 return cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	180 }
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	181
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	182 static inline int modify_sch(u32 sch, struct schib *schib)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	183 {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	184 int cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	185
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	186 asm volatile(
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	187 "lr %%r1,%1\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	188 "msch 0(%2)\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	189 "ipm %0\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	190 "srl %0,28\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	191 : /* output */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	192 "=d" (cc)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	193 : /* input */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	194 "d" (sch),
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	195 "a" (schib)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	196 : /* clobbered */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	197 "cc", "r1"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	198 );
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	199
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	200 return cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	201 }
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	202
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	203 static inline int start_sch(u32 sch, struct orb *orb)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	204 {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	205 int cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	206
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	207 asm volatile(
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	208 " lr %%r1,%1\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	209 " ssch 0(%2)\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	210 " ipm %0\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	211 " srl %0,28\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	212 : /* output */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	213 "=d" (cc)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	214 : /* input */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	215 "d" (sch),
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	216 "a" (orb)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	217 : /* clobbered */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	218 "cc", "r1"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	219 );
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	220
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	221 return cc;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	222 }
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	223
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	224 static inline void wait_for_io_int()
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	225 {
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	226 struct psw psw;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	227
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	228 __builtin_memset(&psw, 0, sizeof(struct psw));
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	229 psw.io = 1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	230 psw.ea = 1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	231 psw.ba = 1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	232 psw.w = 1;
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	233
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	234 asm volatile(
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	235 " larl %%r1,0f\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	236 " stg %%r1,%0\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	237 " lpswe %1\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	238 "0:\n"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	239 : /* output */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	240 "=m" (psw.ptr)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	241 : /* input */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	242 "m" (psw)
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	243 : /* clobbered */
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	244 "r1", "r2"
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	245 );
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	246 }
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	247
40af39d064fa Refactor the arch code Josef 'Jeff' Sipek <jeffpc@josefsipek.net> parents: diff changeset	248 #endif

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40af39d064fa Refactor the arch code