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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
Alan Coxfa195af2008-10-27 15:16:36 +000022 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
Linus Torvalds1da177e2005-04-16 15:20:36 -070023 * that broke 64bit platforms.
24 */
25
26#ifndef _IPR_H
27#define _IPR_H
28
Wayne Boyer46d74562010-08-11 07:15:17 -070029#include <asm/unaligned.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <linux/types.h>
31#include <linux/completion.h>
Brian King35a39692006-09-25 12:39:20 -050032#include <linux/libata.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#include <linux/list.h>
34#include <linux/kref.h>
Christoph Hellwig511cbce2015-11-10 14:56:14 +010035#include <linux/irq_poll.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#include <scsi/scsi.h>
37#include <scsi/scsi_cmnd.h>
38
39/*
40 * Literals
41 */
Gabriel Krisman Bertazice664fb2015-11-03 16:26:10 -020042#define IPR_DRIVER_VERSION "2.6.3"
43#define IPR_DRIVER_DATE "(October 17, 2015)"
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
47 * ops per device for devices not running tagged command queuing.
48 * This can be adjusted at runtime through sysfs device attributes.
49 */
50#define IPR_MAX_CMD_PER_LUN 6
Brian Kingb5145d22006-08-02 14:57:36 -050051#define IPR_MAX_CMD_PER_ATA_LUN 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
53/*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
Brian King89aad422012-03-14 21:20:10 -050057#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Brian King60e74862006-11-21 10:28:10 -060059#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
Wayne Boyerd7b46272010-02-19 13:24:38 -080060
61#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
Wayne Boyercd9b3d02012-02-23 11:54:55 -080062#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
Wen Xiong00da9ff2016-07-12 16:02:07 -050063#define PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA
Brian King60e74862006-11-21 10:28:10 -060064
Linus Torvalds1da177e2005-04-16 15:20:36 -070065#define IPR_SUBS_DEV_ID_2780 0x0264
66#define IPR_SUBS_DEV_ID_5702 0x0266
67#define IPR_SUBS_DEV_ID_5703 0x0278
Wayne Boyerb0f56d32010-06-24 13:34:14 -070068#define IPR_SUBS_DEV_ID_572E 0x028D
69#define IPR_SUBS_DEV_ID_573E 0x02D3
70#define IPR_SUBS_DEV_ID_573D 0x02D4
Linus Torvalds1da177e2005-04-16 15:20:36 -070071#define IPR_SUBS_DEV_ID_571A 0x02C0
72#define IPR_SUBS_DEV_ID_571B 0x02BE
Wayne Boyerb0f56d32010-06-24 13:34:14 -070073#define IPR_SUBS_DEV_ID_571E 0x02BF
brking@us.ibm.com86f51432005-11-01 17:02:42 -060074#define IPR_SUBS_DEV_ID_571F 0x02D5
75#define IPR_SUBS_DEV_ID_572A 0x02C1
76#define IPR_SUBS_DEV_ID_572B 0x02C2
Brian King60e74862006-11-21 10:28:10 -060077#define IPR_SUBS_DEV_ID_572F 0x02C3
Brian King185eb312007-03-29 12:42:53 -050078#define IPR_SUBS_DEV_ID_574E 0x030A
brking@us.ibm.com86f51432005-11-01 17:02:42 -060079#define IPR_SUBS_DEV_ID_575B 0x030D
Brian King60e74862006-11-21 10:28:10 -060080#define IPR_SUBS_DEV_ID_575C 0x0338
Brian King185eb312007-03-29 12:42:53 -050081#define IPR_SUBS_DEV_ID_57B3 0x033A
Brian King60e74862006-11-21 10:28:10 -060082#define IPR_SUBS_DEV_ID_57B7 0x0360
83#define IPR_SUBS_DEV_ID_57B8 0x02C2
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
Wayne Boyerd7b46272010-02-19 13:24:38 -080085#define IPR_SUBS_DEV_ID_57B4 0x033B
86#define IPR_SUBS_DEV_ID_57B2 0x035F
wenxiong@linux.vnet.ibm.comb8d5d562013-01-11 17:43:47 -060087#define IPR_SUBS_DEV_ID_57C0 0x0352
Wayne Boyer5a918352011-10-27 11:58:21 -070088#define IPR_SUBS_DEV_ID_57C3 0x0353
Wayne Boyer32622bd2010-10-18 20:24:34 -070089#define IPR_SUBS_DEV_ID_57C4 0x0354
Wayne Boyerd7b46272010-02-19 13:24:38 -080090#define IPR_SUBS_DEV_ID_57C6 0x0357
Wayne Boyerb0f56d32010-06-24 13:34:14 -070091#define IPR_SUBS_DEV_ID_57CC 0x035C
Wayne Boyerd7b46272010-02-19 13:24:38 -080092
93#define IPR_SUBS_DEV_ID_57B5 0x033C
94#define IPR_SUBS_DEV_ID_57CE 0x035E
95#define IPR_SUBS_DEV_ID_57B1 0x0355
96
97#define IPR_SUBS_DEV_ID_574D 0x0356
Wayne Boyercd9b3d02012-02-23 11:54:55 -080098#define IPR_SUBS_DEV_ID_57C8 0x035D
Wayne Boyerd7b46272010-02-19 13:24:38 -080099
wenxiong@linux.vnet.ibm.comb8d5d562013-01-11 17:43:47 -0600100#define IPR_SUBS_DEV_ID_57D5 0x03FB
101#define IPR_SUBS_DEV_ID_57D6 0x03FC
102#define IPR_SUBS_DEV_ID_57D7 0x03FF
103#define IPR_SUBS_DEV_ID_57D8 0x03FE
wenxiong@linux.vnet.ibm.com43c5fda2013-07-10 10:46:27 -0500104#define IPR_SUBS_DEV_ID_57D9 0x046D
Wendy Xiongf94d9962014-01-21 12:16:40 -0600105#define IPR_SUBS_DEV_ID_57DA 0x04CA
wenxiong@linux.vnet.ibm.com43c5fda2013-07-10 10:46:27 -0500106#define IPR_SUBS_DEV_ID_57EB 0x0474
107#define IPR_SUBS_DEV_ID_57EC 0x0475
108#define IPR_SUBS_DEV_ID_57ED 0x0499
109#define IPR_SUBS_DEV_ID_57EE 0x049A
110#define IPR_SUBS_DEV_ID_57EF 0x049B
111#define IPR_SUBS_DEV_ID_57F0 0x049C
Wendy Xiong5eeac3e2014-03-12 16:08:52 -0500112#define IPR_SUBS_DEV_ID_2CCA 0x04C7
113#define IPR_SUBS_DEV_ID_2CD2 0x04C8
114#define IPR_SUBS_DEV_ID_2CCD 0x04C9
Wen Xiong00da9ff2016-07-12 16:02:07 -0500115#define IPR_SUBS_DEV_ID_580A 0x04FC
116#define IPR_SUBS_DEV_ID_580B 0x04FB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117#define IPR_NAME "ipr"
118
119/*
120 * Return codes
121 */
122#define IPR_RC_JOB_CONTINUE 1
123#define IPR_RC_JOB_RETURN 2
124
125/*
126 * IOASCs
127 */
128#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
Brian King65f56472007-04-26 16:00:12 -0500129#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
131#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
132#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
133#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
134#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
135#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
Christoph Hellwigd247a702014-09-26 09:49:02 +0200136#define IPR_IOASC_HW_CMD_FAILED 0x046E0000
brking@us.ibm.comdfed8232005-11-01 17:02:55 -0600137#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600139#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
140#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141#define IPR_IOASC_BUS_WAS_RESET 0x06290000
142#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
143#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
Wen Xiongf8ee25d2015-03-26 11:23:58 -0500144#define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146#define IPR_FIRST_DRIVER_IOASC 0x10000000
147#define IPR_IOASC_IOA_WAS_RESET 0x10000001
148#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
149
Brian King5469cb52007-03-29 12:42:40 -0500150/* Driver data flags */
151#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
Brian King463fc692007-05-07 17:09:05 -0500152#define IPR_USE_PCI_WARM_RESET 0x00000002
Brian King5469cb52007-03-29 12:42:40 -0500153
Brian Kingac719ab2006-11-21 10:28:42 -0600154#define IPR_DEFAULT_MAX_ERROR_DUMP 984
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155#define IPR_NUM_LOG_HCAMS 2
156#define IPR_NUM_CFG_CHG_HCAMS 2
Brian Kingafc3f832016-08-24 12:56:51 -0500157#define IPR_NUM_HCAM_QUEUE 12
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
Brian Kingafc3f832016-08-24 12:56:51 -0500159#define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800160
161#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
162#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
163
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600164#define IPR_MAX_NUM_TARGETS_PER_BUS 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165#define IPR_MAX_NUM_LUNS_PER_TARGET 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166#define IPR_VSET_BUS 0xff
167#define IPR_IOA_BUS 0xff
168#define IPR_IOA_TARGET 0xff
169#define IPR_IOA_LUN 0xff
Brian Kingb5145d22006-08-02 14:57:36 -0500170#define IPR_MAX_NUM_BUSES 16
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171
172#define IPR_NUM_RESET_RELOAD_RETRIES 3
173
174/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
175#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
Wayne Boyerf72919e2010-02-19 13:24:21 -0800176 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177
Brian King89aad422012-03-14 21:20:10 -0500178#define IPR_MAX_COMMANDS 100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
180 IPR_NUM_INTERNAL_CMD_BLKS)
181
182#define IPR_MAX_PHYSICAL_DEVS 192
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800183#define IPR_DEFAULT_SIS64_DEVS 1024
184#define IPR_MAX_SIS64_DEVS 4096
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185
186#define IPR_MAX_SGLIST 64
187#define IPR_IOA_MAX_SECTORS 32767
188#define IPR_VSET_MAX_SECTORS 512
189#define IPR_MAX_CDB_LEN 16
Wayne Boyer3feeb89d2009-10-20 11:09:00 -0700190#define IPR_MAX_HRRQ_RETRIES 3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191
192#define IPR_DEFAULT_BUS_WIDTH 16
193#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
194#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
195#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
196#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
197
198#define IPR_IOA_RES_HANDLE 0xffffffff
Brian King1121b792006-03-29 09:37:16 -0600199#define IPR_INVALID_RES_HANDLE 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200#define IPR_IOA_RES_ADDR 0x00ffffff
201
202/*
203 * Adapter Commands
204 */
Brian King4fdd7c72015-03-26 11:23:50 -0500205#define IPR_CANCEL_REQUEST 0xC0
206#define IPR_CANCEL_64BIT_IOARCB 0x01
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207#define IPR_QUERY_RSRC_STATE 0xC2
208#define IPR_RESET_DEVICE 0xC3
209#define IPR_RESET_TYPE_SELECT 0x80
210#define IPR_LUN_RESET 0x40
211#define IPR_TARGET_RESET 0x20
212#define IPR_BUS_RESET 0x10
Brian Kingb5145d22006-08-02 14:57:36 -0500213#define IPR_ATA_PHY_RESET 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214#define IPR_ID_HOST_RR_Q 0xC4
215#define IPR_QUERY_IOA_CONFIG 0xC5
216#define IPR_CANCEL_ALL_REQUESTS 0xCE
217#define IPR_HOST_CONTROLLED_ASYNC 0xCF
218#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
219#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
220#define IPR_SET_SUPPORTED_DEVICES 0xFB
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800221#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222#define IPR_IOA_SHUTDOWN 0xF7
223#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
Gabriel Krisman Bertazi1a47af22015-11-03 16:26:09 -0200224#define IPR_IOA_SERVICE_ACTION 0xD2
225
226/* IOA Service Actions */
227#define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228
229/*
230 * Timeouts
231 */
232#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
233#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
234#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
Brian Kingac09c342007-04-26 16:00:16 -0500235#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
Brian King4fdd7c72015-03-26 11:23:50 -0500237#define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
239#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
240#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
Wayne Boyer14ed9cc2011-10-03 20:54:37 -0700241#define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
243#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
244#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
Brian King5469cb52007-03-29 12:42:40 -0500245#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
247#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
248#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
Brian King6270e592014-01-21 12:16:41 -0600249#define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
Brian King463fc692007-05-07 17:09:05 -0500250#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
Kleber Sacilotto de Souza4d4dd702011-04-26 19:23:29 -0300251#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
252#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
Wayne Boyer110def82010-11-04 09:36:16 -0700253#define IPR_DUMP_DELAY_SECONDS 4
254#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
256/*
257 * SCSI Literals
258 */
259#define IPR_VENDOR_ID_LEN 8
260#define IPR_PROD_ID_LEN 16
261#define IPR_SERIAL_NUM_LEN 8
262
263/*
264 * Hardware literals
265 */
266#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
267#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
268#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
269#define IPR_GET_FMT2_BAR_SEL(mbx) \
270(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
271#define IPR_SDT_FMT2_BAR0_SEL 0x0
272#define IPR_SDT_FMT2_BAR1_SEL 0x1
273#define IPR_SDT_FMT2_BAR2_SEL 0x2
274#define IPR_SDT_FMT2_BAR3_SEL 0x3
275#define IPR_SDT_FMT2_BAR4_SEL 0x4
276#define IPR_SDT_FMT2_BAR5_SEL 0x5
277#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
278#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
Wayne Boyerdcbad002010-02-19 13:24:14 -0800279#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600281#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282
Wayne Boyer214777b2010-02-19 13:24:26 -0800283#define IPR_IPL_INIT_MIN_STAGE_TIME 5
Brian King45c44b52015-05-13 08:50:27 -0500284#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
Wayne Boyer214777b2010-02-19 13:24:26 -0800285#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
286#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
287#define IPR_IPL_INIT_STAGE_MASK 0xff000000
288#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
289#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
290
Gabriel Krisman Bertazif41f1d92015-11-03 16:26:06 -0200291#define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
292#define IPR_WAIT_FOR_MAILBOX (2 * HZ)
293
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
295#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
296#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
297#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
298#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
299#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
300#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
301#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
302#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
303#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
304#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
305
306#define IPR_PCII_ERROR_INTERRUPTS \
307(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
308IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
309
310#define IPR_PCII_OPER_INTERRUPTS \
311(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
312
313#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
314#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
Wayne Boyercb237ef2010-06-17 11:51:40 -0700315#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316
317#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
318#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
319
320/*
321 * Dump literals
322 */
Kleber Sacilotto de Souza4d4dd702011-04-26 19:23:29 -0300323#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
wenxiong@linux.vnet.ibm.com95d8a252013-12-04 15:22:47 -0600324#define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
Kleber Sacilotto de Souza4d4dd702011-04-26 19:23:29 -0300325#define IPR_FMT2_NUM_SDT_ENTRIES 511
326#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
327#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
328#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329
330/*
331 * Misc literals
332 */
333#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
wenxiong@linux.vnet.ibm.com6634ff72013-11-15 10:58:15 -0600334#define IPR_MAX_MSIX_VECTORS 0x10
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -0600335#define IPR_MAX_HRRQ_NUM 0x10
336#define IPR_INIT_HRRQ 0x0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337
338/*
339 * Adapter interface types
340 */
341
342struct ipr_res_addr {
343 u8 reserved;
344 u8 bus;
345 u8 target;
346 u8 lun;
347#define IPR_GET_PHYS_LOC(res_addr) \
348 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
349}__attribute__((packed, aligned (4)));
350
351struct ipr_std_inq_vpids {
352 u8 vendor_id[IPR_VENDOR_ID_LEN];
353 u8 product_id[IPR_PROD_ID_LEN];
354}__attribute__((packed));
355
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600356struct ipr_vpd {
357 struct ipr_std_inq_vpids vpids;
358 u8 sn[IPR_SERIAL_NUM_LEN];
359}__attribute__((packed));
360
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600361struct ipr_ext_vpd {
362 struct ipr_vpd vpd;
363 __be32 wwid[2];
364}__attribute__((packed));
365
Wayne Boyer72620262010-09-27 10:45:28 -0700366struct ipr_ext_vpd64 {
367 struct ipr_vpd vpd;
368 __be32 wwid[4];
369}__attribute__((packed));
370
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371struct ipr_std_inq_data {
372 u8 peri_qual_dev_type;
373#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
374#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
375
376 u8 removeable_medium_rsvd;
377#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
378
379#define IPR_IS_DASD_DEVICE(std_inq) \
380((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
381!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
382
383#define IPR_IS_SES_DEVICE(std_inq) \
384(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
385
386 u8 version;
387 u8 aen_naca_fmt;
388 u8 additional_len;
389 u8 sccs_rsvd;
390 u8 bq_enc_multi;
391 u8 sync_cmdq_flags;
392
393 struct ipr_std_inq_vpids vpids;
394
395 u8 ros_rsvd_ram_rsvd[4];
396
397 u8 serial_num[IPR_SERIAL_NUM_LEN];
398}__attribute__ ((packed));
399
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800400#define IPR_RES_TYPE_AF_DASD 0x00
401#define IPR_RES_TYPE_GENERIC_SCSI 0x01
402#define IPR_RES_TYPE_VOLUME_SET 0x02
403#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
404#define IPR_RES_TYPE_GENERIC_ATA 0x04
405#define IPR_RES_TYPE_ARRAY 0x05
406#define IPR_RES_TYPE_IOAFP 0xff
407
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408struct ipr_config_table_entry {
Brian Kingb5145d22006-08-02 14:57:36 -0500409 u8 proto;
410#define IPR_PROTO_SATA 0x02
411#define IPR_PROTO_SATA_ATAPI 0x03
412#define IPR_PROTO_SAS_STP 0x06
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800413#define IPR_PROTO_SAS_STP_ATAPI 0x07
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414 u8 array_id;
415 u8 flags;
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800416#define IPR_IS_IOA_RESOURCE 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417 u8 rsvd_subtype;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800419#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
420#define IPR_QUEUE_FROZEN_MODEL 0
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600421#define IPR_QUEUE_NACA_MODEL 1
422
Linus Torvalds1da177e2005-04-16 15:20:36 -0700423 struct ipr_res_addr res_addr;
424 __be32 res_handle;
Wayne Boyer46d74562010-08-11 07:15:17 -0700425 __be32 lun_wwn[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 struct ipr_std_inq_data std_inq_data;
427}__attribute__ ((packed, aligned (4)));
428
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800429struct ipr_config_table_entry64 {
430 u8 res_type;
431 u8 proto;
432 u8 vset_num;
433 u8 array_id;
434 __be16 flags;
435 __be16 res_flags;
436#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
437 __be32 res_handle;
438 u8 dev_id_type;
439 u8 reserved[3];
440 __be64 dev_id;
441 __be64 lun;
442 __be64 lun_wwn[2];
Brian Kingb3b3b402013-01-11 17:43:49 -0600443#define IPR_MAX_RES_PATH_LENGTH 48
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800444 __be64 res_path;
445 struct ipr_std_inq_data std_inq_data;
446 u8 reserved2[4];
Wayne Boyer72620262010-09-27 10:45:28 -0700447 __be64 reserved3[2];
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800448 u8 reserved4[8];
449}__attribute__ ((packed, aligned (8)));
450
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451struct ipr_config_table_hdr {
452 u8 num_entries;
453 u8 flags;
454#define IPR_UCODE_DOWNLOAD_REQ 0x10
455 __be16 reserved;
456}__attribute__((packed, aligned (4)));
457
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800458struct ipr_config_table_hdr64 {
459 __be16 num_entries;
460 __be16 reserved;
461 u8 flags;
462 u8 reserved2[11];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463}__attribute__((packed, aligned (4)));
464
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800465struct ipr_config_table {
466 struct ipr_config_table_hdr hdr;
467 struct ipr_config_table_entry dev[0];
468}__attribute__((packed, aligned (4)));
469
470struct ipr_config_table64 {
471 struct ipr_config_table_hdr64 hdr64;
472 struct ipr_config_table_entry64 dev[0];
473}__attribute__((packed, aligned (8)));
474
475struct ipr_config_table_entry_wrapper {
476 union {
477 struct ipr_config_table_entry *cfgte;
478 struct ipr_config_table_entry64 *cfgte64;
479 } u;
480};
481
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482struct ipr_hostrcb_cfg_ch_not {
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -0800483 union {
484 struct ipr_config_table_entry cfgte;
485 struct ipr_config_table_entry64 cfgte64;
486 } u;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 u8 reserved[936];
488}__attribute__((packed, aligned (4)));
489
490struct ipr_supported_device {
491 __be16 data_length;
492 u8 reserved;
493 u8 num_records;
494 struct ipr_std_inq_vpids vpids;
495 u8 reserved2[16];
496}__attribute__((packed, aligned (4)));
497
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -0600498struct ipr_hrr_queue {
499 struct ipr_ioa_cfg *ioa_cfg;
500 __be32 *host_rrq;
501 dma_addr_t host_rrq_dma;
502#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
503#define IPR_HRRQ_RESP_BIT_SET 0x00000002
504#define IPR_HRRQ_TOGGLE_BIT 0x00000001
505#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
506#define IPR_ID_HRRQ_SELE_ENABLE 0x02
507 volatile __be32 *hrrq_start;
508 volatile __be32 *hrrq_end;
509 volatile __be32 *hrrq_curr;
510
511 struct list_head hrrq_free_q;
512 struct list_head hrrq_pending_q;
wenxiong@linux.vnet.ibm.com56d6aa32013-01-11 17:43:51 -0600513 spinlock_t _lock;
514 spinlock_t *lock;
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -0600515
516 volatile u32 toggle_bit;
517 u32 size;
518 u32 min_cmd_id;
519 u32 max_cmd_id;
wenxiong@linux.vnet.ibm.com56d6aa32013-01-11 17:43:51 -0600520 u8 allow_interrupts:1;
521 u8 ioa_is_dead:1;
522 u8 allow_cmds:1;
Brian Kingbfae7822013-01-30 23:45:08 -0600523 u8 removing_ioa:1;
wenxiong@linux.vnet.ibm.comb53d1242013-01-11 17:43:52 -0600524
Christoph Hellwig511cbce2015-11-10 14:56:14 +0100525 struct irq_poll iopoll;
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -0600526};
527
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528/* Command packet structure */
529struct ipr_cmd_pkt {
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -0600530 u8 reserved; /* Reserved by IOA */
531 u8 hrrq_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532 u8 request_type;
533#define IPR_RQTYPE_SCSICDB 0x00
534#define IPR_RQTYPE_IOACMD 0x01
535#define IPR_RQTYPE_HCAM 0x02
Brian Kingb5145d22006-08-02 14:57:36 -0500536#define IPR_RQTYPE_ATA_PASSTHRU 0x04
Wen Xiongf8ee25d2015-03-26 11:23:58 -0500537#define IPR_RQTYPE_PIPE 0x05
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538
Wayne Boyera32c0552010-02-19 13:23:36 -0800539 u8 reserved2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540
541 u8 flags_hi;
542#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
543#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
544#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
545#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
546#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
547
548 u8 flags_lo;
549#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
Wayne Boyerab6c10b2011-03-31 09:56:10 -0700550#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
552#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
553#define IPR_FLAGS_LO_ORDERED_TASK 0x04
554#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
555#define IPR_FLAGS_LO_ACA_TASK 0x08
556
557 u8 cdb[16];
558 __be16 timeout;
559}__attribute__ ((packed, aligned(4)));
560
Wayne Boyera32c0552010-02-19 13:23:36 -0800561struct ipr_ioarcb_ata_regs { /* 22 bytes */
Brian Kingb5145d22006-08-02 14:57:36 -0500562 u8 flags;
563#define IPR_ATA_FLAG_PACKET_CMD 0x80
564#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
565#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
566 u8 reserved[3];
567
568 __be16 data;
569 u8 feature;
570 u8 nsect;
571 u8 lbal;
572 u8 lbam;
573 u8 lbah;
574 u8 device;
575 u8 command;
576 u8 reserved2[3];
577 u8 hob_feature;
578 u8 hob_nsect;
579 u8 hob_lbal;
580 u8 hob_lbam;
581 u8 hob_lbah;
582 u8 ctl;
wenxiong@linux.vnet.ibm.com1ac7c262013-04-18 21:32:48 -0500583}__attribute__ ((packed, aligned(2)));
Brian Kingb5145d22006-08-02 14:57:36 -0500584
Brian King51b1c7e2007-03-29 12:43:50 -0500585struct ipr_ioadl_desc {
586 __be32 flags_and_data_len;
587#define IPR_IOADL_FLAGS_MASK 0xff000000
588#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
589#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
590#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
591#define IPR_IOADL_FLAGS_READ 0x48000000
592#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
593#define IPR_IOADL_FLAGS_WRITE 0x68000000
594#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
595#define IPR_IOADL_FLAGS_LAST 0x01000000
596
597 __be32 address;
598}__attribute__((packed, aligned (8)));
599
Wayne Boyera32c0552010-02-19 13:23:36 -0800600struct ipr_ioadl64_desc {
601 __be32 flags;
602 __be32 data_len;
603 __be64 address;
604}__attribute__((packed, aligned (16)));
605
606struct ipr_ata64_ioadl {
607 struct ipr_ioarcb_ata_regs regs;
608 u16 reserved[5];
609 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
610}__attribute__((packed, aligned (16)));
611
Brian Kingb5145d22006-08-02 14:57:36 -0500612struct ipr_ioarcb_add_data {
613 union {
614 struct ipr_ioarcb_ata_regs regs;
Brian King51b1c7e2007-03-29 12:43:50 -0500615 struct ipr_ioadl_desc ioadl[5];
Brian Kingb5145d22006-08-02 14:57:36 -0500616 __be32 add_cmd_parms[10];
Wayne Boyera32c0552010-02-19 13:23:36 -0800617 } u;
618}__attribute__ ((packed, aligned (4)));
619
620struct ipr_ioarcb_sis64_add_addr_ecb {
621 __be64 ioasa_host_pci_addr;
622 __be64 data_ioadl_addr;
623 __be64 reserved;
624 __be32 ext_control_buf[4];
625}__attribute__((packed, aligned (8)));
Brian Kingb5145d22006-08-02 14:57:36 -0500626
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627/* IOA Request Control Block 128 bytes */
628struct ipr_ioarcb {
Wayne Boyera32c0552010-02-19 13:23:36 -0800629 union {
630 __be32 ioarcb_host_pci_addr;
631 __be64 ioarcb_host_pci_addr64;
632 } a;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700633 __be32 res_handle;
634 __be32 host_response_handle;
635 __be32 reserved1;
636 __be32 reserved2;
637 __be32 reserved3;
638
Wayne Boyera32c0552010-02-19 13:23:36 -0800639 __be32 data_transfer_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 __be32 read_data_transfer_length;
641 __be32 write_ioadl_addr;
Wayne Boyera32c0552010-02-19 13:23:36 -0800642 __be32 ioadl_len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 __be32 read_ioadl_addr;
644 __be32 read_ioadl_len;
645
646 __be32 ioasa_host_pci_addr;
647 __be16 ioasa_len;
648 __be16 reserved4;
649
650 struct ipr_cmd_pkt cmd_pkt;
651
Wayne Boyera32c0552010-02-19 13:23:36 -0800652 __be16 add_cmd_parms_offset;
653 __be16 add_cmd_parms_len;
654
655 union {
656 struct ipr_ioarcb_add_data add_data;
657 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
658 } u;
659
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660}__attribute__((packed, aligned (4)));
661
Linus Torvalds1da177e2005-04-16 15:20:36 -0700662struct ipr_ioasa_vset {
663 __be32 failing_lba_hi;
664 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600665 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666}__attribute__((packed, aligned (4)));
667
668struct ipr_ioasa_af_dasd {
669 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600670 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671}__attribute__((packed, aligned (4)));
672
673struct ipr_ioasa_gpdd {
674 u8 end_state;
675 u8 bus_phase;
676 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600677 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678}__attribute__((packed, aligned (4)));
679
Brian Kingb5145d22006-08-02 14:57:36 -0500680struct ipr_ioasa_gata {
681 u8 error;
682 u8 nsect; /* Interrupt reason */
683 u8 lbal;
684 u8 lbam;
685 u8 lbah;
686 u8 device;
687 u8 status;
688 u8 alt_status; /* ATA CTL */
689 u8 hob_nsect;
690 u8 hob_lbal;
691 u8 hob_lbam;
692 u8 hob_lbah;
693}__attribute__((packed, aligned (4)));
694
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600695struct ipr_auto_sense {
696 __be16 auto_sense_len;
697 __be16 ioa_data_len;
698 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
699};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700
Wayne Boyer96d21f02010-05-10 09:13:27 -0700701struct ipr_ioasa_hdr {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702 __be32 ioasc;
703#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
704#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
705#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
706#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
707
708 __be16 ret_stat_len; /* Length of the returned IOASA */
709
710 __be16 avail_stat_len; /* Total Length of status available. */
711
712 __be32 residual_data_len; /* number of bytes in the host data */
713 /* buffers that were not used by the IOARCB command. */
714
715 __be32 ilid;
716#define IPR_NO_ILID 0
717#define IPR_DRIVER_ILID 0xffffffff
718
719 __be32 fd_ioasc;
720
721 __be32 fd_phys_locator;
722
723 __be32 fd_res_handle;
724
725 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600726#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
727#define IPR_AUTOSENSE_VALID 0x40000000
Brian Kingb5145d22006-08-02 14:57:36 -0500728#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
730#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
731#define IPR_FIELD_POINTER_MASK 0x0000ffff
732
Wayne Boyer96d21f02010-05-10 09:13:27 -0700733}__attribute__((packed, aligned (4)));
734
735struct ipr_ioasa {
736 struct ipr_ioasa_hdr hdr;
737
738 union {
739 struct ipr_ioasa_vset vset;
740 struct ipr_ioasa_af_dasd dasd;
741 struct ipr_ioasa_gpdd gpdd;
742 struct ipr_ioasa_gata gata;
743 } u;
744
745 struct ipr_auto_sense auto_sense;
746}__attribute__((packed, aligned (4)));
747
748struct ipr_ioasa64 {
749 struct ipr_ioasa_hdr hdr;
750 u8 fd_res_path[8];
751
Linus Torvalds1da177e2005-04-16 15:20:36 -0700752 union {
753 struct ipr_ioasa_vset vset;
754 struct ipr_ioasa_af_dasd dasd;
755 struct ipr_ioasa_gpdd gpdd;
Brian Kingb5145d22006-08-02 14:57:36 -0500756 struct ipr_ioasa_gata gata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600758
759 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760}__attribute__((packed, aligned (4)));
761
762struct ipr_mode_parm_hdr {
763 u8 length;
764 u8 medium_type;
765 u8 device_spec_parms;
766 u8 block_desc_len;
767}__attribute__((packed));
768
769struct ipr_mode_pages {
770 struct ipr_mode_parm_hdr hdr;
771 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
772}__attribute__((packed));
773
774struct ipr_mode_page_hdr {
775 u8 ps_page_code;
776#define IPR_MODE_PAGE_PS 0x80
777#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
778 u8 page_length;
779}__attribute__ ((packed));
780
781struct ipr_dev_bus_entry {
782 struct ipr_res_addr res_addr;
783 u8 flags;
784#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
785#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
786#define IPR_SCSI_ATTR_QAS_MASK 0xC0
787#define IPR_SCSI_ATTR_ENABLE_TM 0x20
788#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
789#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
790#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
791
792 u8 scsi_id;
793 u8 bus_width;
794 u8 extended_reset_delay;
795#define IPR_EXTENDED_RESET_DELAY 7
796
797 __be32 max_xfer_rate;
798
799 u8 spinup_delay;
800 u8 reserved3;
801 __be16 reserved4;
802}__attribute__((packed, aligned (4)));
803
804struct ipr_mode_page28 {
805 struct ipr_mode_page_hdr hdr;
806 u8 num_entries;
807 u8 entry_length;
808 struct ipr_dev_bus_entry bus[0];
809}__attribute__((packed));
810
Brian Kingac09c342007-04-26 16:00:16 -0500811struct ipr_mode_page24 {
812 struct ipr_mode_page_hdr hdr;
813 u8 flags;
814#define IPR_ENABLE_DUAL_IOA_AF 0x80
815}__attribute__((packed));
816
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817struct ipr_ioa_vpd {
818 struct ipr_std_inq_data std_inq_data;
819 u8 ascii_part_num[12];
820 u8 reserved[40];
821 u8 ascii_plant_code[4];
822}__attribute__((packed));
823
824struct ipr_inquiry_page3 {
825 u8 peri_qual_dev_type;
826 u8 page_code;
827 u8 reserved1;
828 u8 page_length;
829 u8 ascii_len;
830 u8 reserved2[3];
831 u8 load_id[4];
832 u8 major_release;
833 u8 card_type;
834 u8 minor_release[2];
835 u8 ptf_number[4];
836 u8 patch_number[4];
837}__attribute__((packed));
838
Brian Kingac09c342007-04-26 16:00:16 -0500839struct ipr_inquiry_cap {
840 u8 peri_qual_dev_type;
841 u8 page_code;
842 u8 reserved1;
843 u8 page_length;
844 u8 ascii_len;
845 u8 reserved2;
846 u8 sis_version[2];
847 u8 cap;
848#define IPR_CAP_DUAL_IOA_RAID 0x80
849 u8 reserved3[15];
850}__attribute__((packed));
851
brking@us.ibm.com62275042005-11-01 17:01:14 -0600852#define IPR_INQUIRY_PAGE0_ENTRIES 20
853struct ipr_inquiry_page0 {
854 u8 peri_qual_dev_type;
855 u8 page_code;
856 u8 reserved1;
857 u8 len;
858 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
859}__attribute__((packed));
860
Gabriel Krisman Bertazi1021b3f2015-11-03 16:26:08 -0200861struct ipr_inquiry_pageC4 {
862 u8 peri_qual_dev_type;
863 u8 page_code;
864 u8 reserved1;
865 u8 len;
866 u8 cache_cap[4];
867#define IPR_CAP_SYNC_CACHE 0x08
868 u8 reserved2[20];
869} __packed;
870
Linus Torvalds1da177e2005-04-16 15:20:36 -0700871struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600872 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700873 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600874 struct ipr_vpd new_vpd;
875 struct ipr_vpd ioa_last_with_dev_vpd;
876 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700877 __be32 ioa_data[5];
878}__attribute__((packed, aligned (4)));
879
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600880struct ipr_hostrcb_device_data_entry_enhanced {
881 struct ipr_ext_vpd vpd;
882 u8 ccin[4];
883 struct ipr_res_addr dev_res_addr;
884 struct ipr_ext_vpd new_vpd;
885 u8 new_ccin[4];
886 struct ipr_ext_vpd ioa_last_with_dev_vpd;
887 struct ipr_ext_vpd cfc_last_with_dev_vpd;
888}__attribute__((packed, aligned (4)));
889
Wayne Boyer4565e372010-02-19 13:24:07 -0800890struct ipr_hostrcb64_device_data_entry_enhanced {
891 struct ipr_ext_vpd vpd;
892 u8 ccin[4];
893 u8 res_path[8];
894 struct ipr_ext_vpd new_vpd;
895 u8 new_ccin[4];
896 struct ipr_ext_vpd ioa_last_with_dev_vpd;
897 struct ipr_ext_vpd cfc_last_with_dev_vpd;
898}__attribute__((packed, aligned (4)));
899
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600901 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700902 struct ipr_res_addr expected_dev_res_addr;
903 struct ipr_res_addr dev_res_addr;
904}__attribute__((packed, aligned (4)));
905
Wayne Boyer4565e372010-02-19 13:24:07 -0800906struct ipr_hostrcb64_array_data_entry {
907 struct ipr_ext_vpd vpd;
908 u8 ccin[4];
909 u8 expected_res_path[8];
910 u8 res_path[8];
911}__attribute__((packed, aligned (4)));
912
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600913struct ipr_hostrcb_array_data_entry_enhanced {
914 struct ipr_ext_vpd vpd;
915 u8 ccin[4];
916 struct ipr_res_addr expected_dev_res_addr;
917 struct ipr_res_addr dev_res_addr;
918}__attribute__((packed, aligned (4)));
919
Linus Torvalds1da177e2005-04-16 15:20:36 -0700920struct ipr_hostrcb_type_ff_error {
Wayne Boyer438b0332010-05-10 09:13:00 -0700921 __be32 ioa_data[758];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922}__attribute__((packed, aligned (4)));
923
924struct ipr_hostrcb_type_01_error {
925 __be32 seek_counter;
926 __be32 read_counter;
927 u8 sense_data[32];
928 __be32 ioa_data[236];
929}__attribute__((packed, aligned (4)));
930
Wendy Xiong169b9ec2014-03-12 16:08:51 -0500931struct ipr_hostrcb_type_21_error {
932 __be32 wwn[4];
933 u8 res_path[8];
934 u8 primary_problem_desc[32];
935 u8 second_problem_desc[32];
936 __be32 sense_data[8];
937 __be32 cdb[4];
938 __be32 residual_trans_length;
939 __be32 length_of_error;
940 __be32 ioa_data[236];
941}__attribute__((packed, aligned (4)));
942
Linus Torvalds1da177e2005-04-16 15:20:36 -0700943struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600944 struct ipr_vpd ioa_vpd;
945 struct ipr_vpd cfc_vpd;
946 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
947 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949}__attribute__((packed, aligned (4)));
950
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600951struct ipr_hostrcb_type_12_error {
952 struct ipr_ext_vpd ioa_vpd;
953 struct ipr_ext_vpd cfc_vpd;
954 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
955 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
956 __be32 ioa_data[3];
957}__attribute__((packed, aligned (4)));
958
Linus Torvalds1da177e2005-04-16 15:20:36 -0700959struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600960 struct ipr_vpd ioa_vpd;
961 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700962 __be32 errors_detected;
963 __be32 errors_logged;
964 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600965 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700966}__attribute__((packed, aligned (4)));
967
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600968struct ipr_hostrcb_type_13_error {
969 struct ipr_ext_vpd ioa_vpd;
970 struct ipr_ext_vpd cfc_vpd;
971 __be32 errors_detected;
972 __be32 errors_logged;
973 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
974}__attribute__((packed, aligned (4)));
975
Wayne Boyer4565e372010-02-19 13:24:07 -0800976struct ipr_hostrcb_type_23_error {
977 struct ipr_ext_vpd ioa_vpd;
978 struct ipr_ext_vpd cfc_vpd;
979 __be32 errors_detected;
980 __be32 errors_logged;
981 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
982}__attribute__((packed, aligned (4)));
983
Linus Torvalds1da177e2005-04-16 15:20:36 -0700984struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600985 struct ipr_vpd ioa_vpd;
986 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700987 u8 ioa_data[12];
988 struct ipr_hostrcb_array_data_entry array_member[10];
989 __be32 exposed_mode_adn;
990 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600991 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992 __be32 ioa_data2;
993 struct ipr_hostrcb_array_data_entry array_member2[8];
994 struct ipr_res_addr last_func_vset_res_addr;
995 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
996 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700997}__attribute__((packed, aligned (4)));
998
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600999struct ipr_hostrcb_type_14_error {
1000 struct ipr_ext_vpd ioa_vpd;
1001 struct ipr_ext_vpd cfc_vpd;
1002 __be32 exposed_mode_adn;
1003 __be32 array_id;
1004 struct ipr_res_addr last_func_vset_res_addr;
1005 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1006 u8 protection_level[8];
1007 __be32 num_entries;
1008 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1009}__attribute__((packed, aligned (4)));
1010
Wayne Boyer4565e372010-02-19 13:24:07 -08001011struct ipr_hostrcb_type_24_error {
1012 struct ipr_ext_vpd ioa_vpd;
1013 struct ipr_ext_vpd cfc_vpd;
1014 u8 reserved[2];
1015 u8 exposed_mode_adn;
1016#define IPR_INVALID_ARRAY_DEV_NUM 0xff
1017 u8 array_id;
1018 u8 last_res_path[8];
1019 u8 protection_level[8];
Wayne Boyer72620262010-09-27 10:45:28 -07001020 struct ipr_ext_vpd64 array_vpd;
Wayne Boyer4565e372010-02-19 13:24:07 -08001021 u8 description[16];
1022 u8 reserved2[3];
1023 u8 num_entries;
1024 struct ipr_hostrcb64_array_data_entry array_member[32];
1025}__attribute__((packed, aligned (4)));
1026
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -06001027struct ipr_hostrcb_type_07_error {
1028 u8 failure_reason[64];
1029 struct ipr_vpd vpd;
Brian King359d96e2015-06-11 20:45:20 -05001030 __be32 data[222];
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -06001031}__attribute__((packed, aligned (4)));
1032
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -06001033struct ipr_hostrcb_type_17_error {
1034 u8 failure_reason[64];
1035 struct ipr_ext_vpd vpd;
Brian King359d96e2015-06-11 20:45:20 -05001036 __be32 data[476];
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -06001037}__attribute__((packed, aligned (4)));
1038
Brian King49dc6a12006-11-21 10:28:35 -06001039struct ipr_hostrcb_config_element {
1040 u8 type_status;
1041#define IPR_PATH_CFG_TYPE_MASK 0xF0
1042#define IPR_PATH_CFG_NOT_EXIST 0x00
1043#define IPR_PATH_CFG_IOA_PORT 0x10
1044#define IPR_PATH_CFG_EXP_PORT 0x20
1045#define IPR_PATH_CFG_DEVICE_PORT 0x30
1046#define IPR_PATH_CFG_DEVICE_LUN 0x40
1047
1048#define IPR_PATH_CFG_STATUS_MASK 0x0F
1049#define IPR_PATH_CFG_NO_PROB 0x00
1050#define IPR_PATH_CFG_DEGRADED 0x01
1051#define IPR_PATH_CFG_FAILED 0x02
1052#define IPR_PATH_CFG_SUSPECT 0x03
1053#define IPR_PATH_NOT_DETECTED 0x04
1054#define IPR_PATH_INCORRECT_CONN 0x05
1055
1056 u8 cascaded_expander;
1057 u8 phy;
1058 u8 link_rate;
1059#define IPR_PHY_LINK_RATE_MASK 0x0F
1060
1061 __be32 wwid[2];
1062}__attribute__((packed, aligned (4)));
1063
Wayne Boyer4565e372010-02-19 13:24:07 -08001064struct ipr_hostrcb64_config_element {
1065 __be16 length;
1066 u8 descriptor_id;
1067#define IPR_DESCRIPTOR_MASK 0xC0
1068#define IPR_DESCRIPTOR_SIS64 0x00
1069
1070 u8 reserved;
1071 u8 type_status;
1072
1073 u8 reserved2[2];
1074 u8 link_rate;
1075
1076 u8 res_path[8];
1077 __be32 wwid[2];
1078}__attribute__((packed, aligned (8)));
1079
Brian King49dc6a12006-11-21 10:28:35 -06001080struct ipr_hostrcb_fabric_desc {
1081 __be16 length;
1082 u8 ioa_port;
1083 u8 cascaded_expander;
1084 u8 phy;
1085 u8 path_state;
1086#define IPR_PATH_ACTIVE_MASK 0xC0
1087#define IPR_PATH_NO_INFO 0x00
1088#define IPR_PATH_ACTIVE 0x40
1089#define IPR_PATH_NOT_ACTIVE 0x80
1090
1091#define IPR_PATH_STATE_MASK 0x0F
1092#define IPR_PATH_STATE_NO_INFO 0x00
1093#define IPR_PATH_HEALTHY 0x01
1094#define IPR_PATH_DEGRADED 0x02
1095#define IPR_PATH_FAILED 0x03
1096
1097 __be16 num_entries;
1098 struct ipr_hostrcb_config_element elem[1];
1099}__attribute__((packed, aligned (4)));
1100
Wayne Boyer4565e372010-02-19 13:24:07 -08001101struct ipr_hostrcb64_fabric_desc {
1102 __be16 length;
1103 u8 descriptor_id;
1104
Wayne Boyer8701f182010-06-04 10:26:50 -07001105 u8 reserved[2];
Wayne Boyer4565e372010-02-19 13:24:07 -08001106 u8 path_state;
1107
1108 u8 reserved2[2];
1109 u8 res_path[8];
1110 u8 reserved3[6];
1111 __be16 num_entries;
1112 struct ipr_hostrcb64_config_element elem[1];
1113}__attribute__((packed, aligned (8)));
1114
wenxiong@linux.vnet.ibm.com56d6aa32013-01-11 17:43:51 -06001115#define for_each_hrrq(hrrq, ioa_cfg) \
1116 for (hrrq = (ioa_cfg)->hrrq; \
1117 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1118
Brian King49dc6a12006-11-21 10:28:35 -06001119#define for_each_fabric_cfg(fabric, cfg) \
1120 for (cfg = (fabric)->elem; \
1121 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1122 cfg++)
1123
1124struct ipr_hostrcb_type_20_error {
1125 u8 failure_reason[64];
1126 u8 reserved[3];
1127 u8 num_entries;
1128 struct ipr_hostrcb_fabric_desc desc[1];
1129}__attribute__((packed, aligned (4)));
1130
Wayne Boyer4565e372010-02-19 13:24:07 -08001131struct ipr_hostrcb_type_30_error {
1132 u8 failure_reason[64];
1133 u8 reserved[3];
1134 u8 num_entries;
1135 struct ipr_hostrcb64_fabric_desc desc[1];
1136}__attribute__((packed, aligned (4)));
1137
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138struct ipr_hostrcb_error {
Wayne Boyer4565e372010-02-19 13:24:07 -08001139 __be32 fd_ioasc;
1140 struct ipr_res_addr fd_res_addr;
1141 __be32 fd_res_handle;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001142 __be32 prc;
1143 union {
1144 struct ipr_hostrcb_type_ff_error type_ff_error;
1145 struct ipr_hostrcb_type_01_error type_01_error;
1146 struct ipr_hostrcb_type_02_error type_02_error;
1147 struct ipr_hostrcb_type_03_error type_03_error;
1148 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -06001149 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -06001150 struct ipr_hostrcb_type_12_error type_12_error;
1151 struct ipr_hostrcb_type_13_error type_13_error;
1152 struct ipr_hostrcb_type_14_error type_14_error;
1153 struct ipr_hostrcb_type_17_error type_17_error;
Brian King49dc6a12006-11-21 10:28:35 -06001154 struct ipr_hostrcb_type_20_error type_20_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155 } u;
1156}__attribute__((packed, aligned (4)));
1157
Wayne Boyer4565e372010-02-19 13:24:07 -08001158struct ipr_hostrcb64_error {
1159 __be32 fd_ioasc;
1160 __be32 ioa_fw_level;
1161 __be32 fd_res_handle;
1162 __be32 prc;
1163 __be64 fd_dev_id;
1164 __be64 fd_lun;
1165 u8 fd_res_path[8];
1166 __be64 time_stamp;
Wayne Boyer8701f182010-06-04 10:26:50 -07001167 u8 reserved[16];
Wayne Boyer4565e372010-02-19 13:24:07 -08001168 union {
1169 struct ipr_hostrcb_type_ff_error type_ff_error;
1170 struct ipr_hostrcb_type_12_error type_12_error;
1171 struct ipr_hostrcb_type_17_error type_17_error;
Wendy Xiong169b9ec2014-03-12 16:08:51 -05001172 struct ipr_hostrcb_type_21_error type_21_error;
Wayne Boyer4565e372010-02-19 13:24:07 -08001173 struct ipr_hostrcb_type_23_error type_23_error;
1174 struct ipr_hostrcb_type_24_error type_24_error;
1175 struct ipr_hostrcb_type_30_error type_30_error;
1176 } u;
1177}__attribute__((packed, aligned (8)));
1178
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179struct ipr_hostrcb_raw {
1180 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1181}__attribute__((packed, aligned (4)));
1182
1183struct ipr_hcam {
1184 u8 op_code;
1185#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1186#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1187
1188 u8 notify_type;
1189#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1190#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1191#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1192#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1193#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1194
1195 u8 notifications_lost;
1196#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1197#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1198
1199 u8 flags;
1200#define IPR_HOSTRCB_INTERNAL_OPER 0x80
1201#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1202
1203 u8 overlay_id;
1204#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1205#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1206#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1207#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1208#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -06001209#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -06001210#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1211#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1212#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1213#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1214#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Brian King49dc6a12006-11-21 10:28:35 -06001215#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
Wendy Xiong169b9ec2014-03-12 16:08:51 -05001216#define IPR_HOST_RCB_OVERLAY_ID_21 0x21
Wayne Boyer4565e372010-02-19 13:24:07 -08001217#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1218#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1219#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1220#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1221#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
Linus Torvalds1da177e2005-04-16 15:20:36 -07001222
1223 u8 reserved1[3];
1224 __be32 ilid;
1225 __be32 time_since_last_ioa_reset;
1226 __be32 reserved2;
1227 __be32 length;
1228
1229 union {
1230 struct ipr_hostrcb_error error;
Wayne Boyer4565e372010-02-19 13:24:07 -08001231 struct ipr_hostrcb64_error error64;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001232 struct ipr_hostrcb_cfg_ch_not ccn;
1233 struct ipr_hostrcb_raw raw;
1234 } u;
1235}__attribute__((packed, aligned (4)));
1236
1237struct ipr_hostrcb {
1238 struct ipr_hcam hcam;
1239 dma_addr_t hostrcb_dma;
1240 struct list_head queue;
Brian King49dc6a12006-11-21 10:28:35 -06001241 struct ipr_ioa_cfg *ioa_cfg;
Wayne Boyer4565e372010-02-19 13:24:07 -08001242 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001243};
1244
1245/* IPR smart dump table structures */
1246struct ipr_sdt_entry {
Wayne Boyerdcbad002010-02-19 13:24:14 -08001247 __be32 start_token;
1248 __be32 end_token;
1249 u8 reserved[4];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001250
1251 u8 flags;
1252#define IPR_SDT_ENDIAN 0x80
1253#define IPR_SDT_VALID_ENTRY 0x20
1254
1255 u8 resv;
1256 __be16 priority;
1257}__attribute__((packed, aligned (4)));
1258
1259struct ipr_sdt_header {
1260 __be32 state;
1261 __be32 num_entries;
1262 __be32 num_entries_used;
1263 __be32 dump_size;
1264}__attribute__((packed, aligned (4)));
1265
1266struct ipr_sdt {
1267 struct ipr_sdt_header hdr;
Kleber Sacilotto de Souza4d4dd702011-04-26 19:23:29 -03001268 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001269}__attribute__((packed, aligned (4)));
1270
1271struct ipr_uc_sdt {
1272 struct ipr_sdt_header hdr;
1273 struct ipr_sdt_entry entry[1];
1274}__attribute__((packed, aligned (4)));
1275
1276/*
1277 * Driver types
1278 */
1279struct ipr_bus_attributes {
1280 u8 bus;
1281 u8 qas_enabled;
1282 u8 bus_width;
1283 u8 reserved;
1284 u32 max_xfer_rate;
1285};
1286
Brian King35a39692006-09-25 12:39:20 -05001287struct ipr_sata_port {
1288 struct ipr_ioa_cfg *ioa_cfg;
1289 struct ata_port *ap;
1290 struct ipr_resource_entry *res;
1291 struct ipr_ioasa_gata ioasa;
1292};
1293
Linus Torvalds1da177e2005-04-16 15:20:36 -07001294struct ipr_resource_entry {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001295 u8 needs_sync_complete:1;
1296 u8 in_erp:1;
1297 u8 add_to_ml:1;
1298 u8 del_from_ml:1;
1299 u8 resetting_device:1;
Wendy Xiong0b1f8d42014-01-21 12:16:39 -06001300 u8 reset_occurred:1;
Wen Xiongf8ee25d2015-03-26 11:23:58 -05001301 u8 raw_mode:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001302
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001303 u32 bus; /* AKA channel */
1304 u32 target; /* AKA id */
1305 u32 lun;
1306#define IPR_ARRAY_VIRTUAL_BUS 0x1
1307#define IPR_VSET_VIRTUAL_BUS 0x2
1308#define IPR_IOAFP_VIRTUAL_BUS 0x3
1309
1310#define IPR_GET_RES_PHYS_LOC(res) \
1311 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1312
1313 u8 ata_class;
Wayne Boyer7be96902010-05-10 09:14:07 -07001314 u8 type;
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001315
Brian King359d96e2015-06-11 20:45:20 -05001316 u16 flags;
1317 u16 res_flags;
1318
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001319 u8 qmodel;
1320 struct ipr_std_inq_data std_inq_data;
1321
1322 __be32 res_handle;
1323 __be64 dev_id;
Brian King359d96e2015-06-11 20:45:20 -05001324 u64 lun_wwn;
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001325 struct scsi_lun dev_lun;
1326 u8 res_path[8];
1327
1328 struct ipr_ioa_cfg *ioa_cfg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329 struct scsi_device *sdev;
Brian King35a39692006-09-25 12:39:20 -05001330 struct ipr_sata_port *sata_port;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001331 struct list_head queue;
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001332}; /* struct ipr_resource_entry */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001333
1334struct ipr_resource_hdr {
1335 u16 num_entries;
1336 u16 reserved;
1337};
1338
Linus Torvalds1da177e2005-04-16 15:20:36 -07001339struct ipr_misc_cbs {
1340 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -06001341 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342 struct ipr_inquiry_page3 page3_data;
Brian Kingac09c342007-04-26 16:00:16 -05001343 struct ipr_inquiry_cap cap;
Gabriel Krisman Bertazi1021b3f2015-11-03 16:26:08 -02001344 struct ipr_inquiry_pageC4 pageC4_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001345 struct ipr_mode_pages mode_pages;
1346 struct ipr_supported_device supp_dev;
1347};
1348
1349struct ipr_interrupt_offsets {
1350 unsigned long set_interrupt_mask_reg;
1351 unsigned long clr_interrupt_mask_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001352 unsigned long clr_interrupt_mask_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353 unsigned long sense_interrupt_mask_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001354 unsigned long sense_interrupt_mask_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001355 unsigned long clr_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001356 unsigned long clr_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001357
1358 unsigned long sense_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001359 unsigned long sense_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001360 unsigned long ioarrin_reg;
1361 unsigned long sense_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001362 unsigned long sense_uproc_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001363 unsigned long set_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001364 unsigned long set_uproc_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001365 unsigned long clr_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001366 unsigned long clr_uproc_interrupt_reg32;
1367
1368 unsigned long init_feedback_reg;
Wayne Boyerdcbad002010-02-19 13:24:14 -08001369
1370 unsigned long dump_addr_reg;
1371 unsigned long dump_data_reg;
Wayne Boyer8701f182010-06-04 10:26:50 -07001372
Wayne Boyer4289a082010-06-24 17:00:59 -07001373#define IPR_ENDIAN_SWAP_KEY 0x00080800
Wayne Boyer8701f182010-06-04 10:26:50 -07001374 unsigned long endian_swap_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001375};
1376
1377struct ipr_interrupts {
1378 void __iomem *set_interrupt_mask_reg;
1379 void __iomem *clr_interrupt_mask_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001380 void __iomem *clr_interrupt_mask_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381 void __iomem *sense_interrupt_mask_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001382 void __iomem *sense_interrupt_mask_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001383 void __iomem *clr_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001384 void __iomem *clr_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001385
1386 void __iomem *sense_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001387 void __iomem *sense_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001388 void __iomem *ioarrin_reg;
1389 void __iomem *sense_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001390 void __iomem *sense_uproc_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001391 void __iomem *set_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001392 void __iomem *set_uproc_interrupt_reg32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001393 void __iomem *clr_uproc_interrupt_reg;
Wayne Boyer214777b2010-02-19 13:24:26 -08001394 void __iomem *clr_uproc_interrupt_reg32;
1395
1396 void __iomem *init_feedback_reg;
Wayne Boyerdcbad002010-02-19 13:24:14 -08001397
1398 void __iomem *dump_addr_reg;
1399 void __iomem *dump_data_reg;
Wayne Boyer8701f182010-06-04 10:26:50 -07001400
1401 void __iomem *endian_swap_reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001402};
1403
1404struct ipr_chip_cfg_t {
1405 u32 mailbox;
Brian King89aad422012-03-14 21:20:10 -05001406 u16 max_cmds;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001407 u8 cache_line_size;
Brian King7dd21302012-03-14 21:20:08 -05001408 u8 clear_isr;
wenxiong@linux.vnet.ibm.comb53d1242013-01-11 17:43:52 -06001409 u32 iopoll_weight;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001410 struct ipr_interrupt_offsets regs;
1411};
1412
1413struct ipr_chip_t {
1414 u16 vendor;
1415 u16 device;
Wayne Boyer1be7bd82009-06-17 09:55:35 -07001416 u16 intr_type;
1417#define IPR_USE_LSI 0x00
1418#define IPR_USE_MSI 0x01
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -06001419#define IPR_USE_MSIX 0x02
Wayne Boyera32c0552010-02-19 13:23:36 -08001420 u16 sis_type;
1421#define IPR_SIS32 0x00
1422#define IPR_SIS64 0x01
Wayne Boyercb237ef2010-06-17 11:51:40 -07001423 u16 bist_method;
1424#define IPR_PCI_CFG 0x00
1425#define IPR_MMIO 0x01
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 const struct ipr_chip_cfg_t *cfg;
1427};
1428
1429enum ipr_shutdown_type {
1430 IPR_SHUTDOWN_NORMAL = 0x00,
1431 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1432 IPR_SHUTDOWN_ABBREV = 0x80,
Brian King4fdd7c72015-03-26 11:23:50 -05001433 IPR_SHUTDOWN_NONE = 0x100,
1434 IPR_SHUTDOWN_QUIESCE = 0x101,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435};
1436
1437struct ipr_trace_entry {
1438 u32 time;
1439
1440 u8 op_code;
Brian King35a39692006-09-25 12:39:20 -05001441 u8 ata_op_code;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001442 u8 type;
1443#define IPR_TRACE_START 0x00
1444#define IPR_TRACE_FINISH 0xff
Brian King35a39692006-09-25 12:39:20 -05001445 u8 cmd_index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001446
1447 __be32 res_handle;
1448 union {
1449 u32 ioasc;
1450 u32 add_data;
1451 u32 res_addr;
1452 } u;
1453};
1454
1455struct ipr_sglist {
1456 u32 order;
1457 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -06001458 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001459 u32 buffer_len;
1460 struct scatterlist scatterlist[1];
1461};
1462
1463enum ipr_sdt_state {
1464 INACTIVE,
1465 WAIT_FOR_DUMP,
1466 GET_DUMP,
Brian King41e9a692011-09-21 08:51:11 -05001467 READ_DUMP,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001468 ABORT_DUMP,
1469 DUMP_OBTAINED
1470};
1471
1472/* Per-controller data */
1473struct ipr_ioa_cfg {
1474 char eye_catcher[8];
1475#define IPR_EYECATCHER "iprcfg"
1476
1477 struct list_head queue;
1478
Linus Torvalds1da177e2005-04-16 15:20:36 -07001479 u8 in_reset_reload:1;
1480 u8 in_ioa_bringdown:1;
1481 u8 ioa_unit_checked:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001482 u8 dump_taken:1;
Brian Kingb195d5e2016-07-15 14:48:03 -05001483 u8 scan_enabled:1;
Brian Kingf688f962014-12-02 12:47:37 -06001484 u8 scan_done:1;
brking@us.ibm.comce155cc2005-11-17 09:35:12 -06001485 u8 needs_hard_reset:1;
Brian Kingac09c342007-04-26 16:00:16 -05001486 u8 dual_raid:1;
Brian King463fc692007-05-07 17:09:05 -05001487 u8 needs_warm_reset:1;
Wayne Boyer95fecd92009-06-16 15:13:28 -07001488 u8 msi_received:1;
Wayne Boyera32c0552010-02-19 13:23:36 -08001489 u8 sis64:1;
Brian King4c647e92011-10-15 09:08:56 -05001490 u8 dump_timeout:1;
Jan Kiszkafb51ccb2011-11-04 09:45:59 +01001491 u8 cfg_locked:1;
Brian King7dd21302012-03-14 21:20:08 -05001492 u8 clear_isr:1;
Brian King6270e592014-01-21 12:16:41 -06001493 u8 probe_done:1;
Brian King463fc692007-05-07 17:09:05 -05001494
1495 u8 revid;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001496
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001497 /*
1498 * Bitmaps for SIS64 generated target values
1499 */
wenxiong@linux.vnet.ibm.com222ab592013-03-14 13:52:25 -05001500 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1501 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1502 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001503
Linus Torvalds1da177e2005-04-16 15:20:36 -07001504 u16 type; /* CCIN of the card */
1505
1506 u8 log_level;
1507#define IPR_MAX_LOG_LEVEL 4
1508#define IPR_DEFAULT_LOG_LEVEL 2
Brian King7b3871f2016-09-16 16:51:36 -05001509#define IPR_DEBUG_LOG_LEVEL 3
Linus Torvalds1da177e2005-04-16 15:20:36 -07001510
1511#define IPR_NUM_TRACE_INDEX_BITS 8
1512#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
Brian Kingbb7c5432015-07-14 11:41:31 -05001513#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001514#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1515 char trace_start[8];
1516#define IPR_TRACE_START_LABEL "trace"
1517 struct ipr_trace_entry *trace;
wenxiong@linux.vnet.ibm.com56d6aa32013-01-11 17:43:51 -06001518 atomic_t trace_index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001519
Linus Torvalds1da177e2005-04-16 15:20:36 -07001520 char cfg_table_start[8];
1521#define IPR_CFG_TBL_START "cfg"
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001522 union {
1523 struct ipr_config_table *cfg_table;
1524 struct ipr_config_table64 *cfg_table64;
1525 } u;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001526 dma_addr_t cfg_table_dma;
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001527 u32 cfg_table_size;
1528 u32 max_devs_supported;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001529
1530 char resource_table_label[8];
1531#define IPR_RES_TABLE_LABEL "res_tbl"
1532 struct ipr_resource_entry *res_entries;
1533 struct list_head free_res_q;
1534 struct list_head used_res_q;
1535
1536 char ipr_hcam_label[8];
1537#define IPR_HCAM_LABEL "hcams"
Brian Kingafc3f832016-08-24 12:56:51 -05001538 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1539 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001540 struct list_head hostrcb_free_q;
1541 struct list_head hostrcb_pending_q;
Brian Kingafc3f832016-08-24 12:56:51 -05001542 struct list_head hostrcb_report_q;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001543
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -06001544 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1545 u32 hrrq_num;
wenxiong@linux.vnet.ibm.com56d6aa32013-01-11 17:43:51 -06001546 atomic_t hrrq_index;
1547 u16 identify_hrrq_index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001548
1549 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1550
Brian King5469cb52007-03-29 12:42:40 -05001551 unsigned int transop_timeout;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001552 const struct ipr_chip_cfg_t *chip_cfg;
Wayne Boyer1be7bd82009-06-17 09:55:35 -07001553 const struct ipr_chip_t *ipr_chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001554
1555 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1556 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1557 void __iomem *ioa_mailbox;
1558 struct ipr_interrupts regs;
1559
1560 u16 saved_pcix_cmd_reg;
1561 u16 reset_retries;
1562
1563 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -06001564 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001565
1566 struct Scsi_Host *host;
1567 struct pci_dev *pdev;
1568 struct ipr_sglist *ucode_sglist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001569 u8 saved_mode_page_len;
1570
1571 struct work_struct work_q;
Brian King2796ca52015-03-26 11:23:52 -05001572 struct workqueue_struct *reset_work_q;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001573
1574 wait_queue_head_t reset_wait_q;
Wayne Boyer95fecd92009-06-16 15:13:28 -07001575 wait_queue_head_t msi_wait_q;
Brian King6270e592014-01-21 12:16:41 -06001576 wait_queue_head_t eeh_wait_q;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001577
1578 struct ipr_dump *dump;
1579 enum ipr_sdt_state sdt_state;
1580
1581 struct ipr_misc_cbs *vpd_cbs;
1582 dma_addr_t vpd_cbs_dma;
1583
Anton Blanchardd73341b2014-10-30 17:27:08 -05001584 struct dma_pool *ipr_cmd_pool;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001585
1586 struct ipr_cmnd *reset_cmd;
Brian King463fc692007-05-07 17:09:05 -05001587 int (*reset) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001588
Brian King35a39692006-09-25 12:39:20 -05001589 struct ata_host ata_host;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001590 char ipr_cmd_label[8];
Brian King0124ca92009-07-30 10:58:51 -05001591#define IPR_CMD_LABEL "ipr_cmd"
Brian King89aad422012-03-14 21:20:10 -05001592 u32 max_cmds;
1593 struct ipr_cmnd **ipr_cmnd_list;
1594 dma_addr_t *ipr_cmnd_list_dma;
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -06001595
1596 u16 intr_flag;
1597 unsigned int nvectors;
1598
1599 struct {
1600 unsigned short vec;
1601 char desc[22];
1602 } vectors_info[IPR_MAX_MSIX_VECTORS];
1603
wenxiong@linux.vnet.ibm.comb53d1242013-01-11 17:43:52 -06001604 u32 iopoll_weight;
1605
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001606}; /* struct ipr_ioa_cfg */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001607
1608struct ipr_cmnd {
1609 struct ipr_ioarcb ioarcb;
Wayne Boyera32c0552010-02-19 13:23:36 -08001610 union {
1611 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1612 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1613 struct ipr_ata64_ioadl ata_ioadl;
1614 } i;
Wayne Boyer96d21f02010-05-10 09:13:27 -07001615 union {
1616 struct ipr_ioasa ioasa;
1617 struct ipr_ioasa64 ioasa64;
1618 } s;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001619 struct list_head queue;
1620 struct scsi_cmnd *scsi_cmd;
Brian King35a39692006-09-25 12:39:20 -05001621 struct ata_queued_cmd *qc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001622 struct completion completion;
1623 struct timer_list timer;
Brian King2796ca52015-03-26 11:23:52 -05001624 struct work_struct work;
Brian King172cd6e2012-07-17 08:14:40 -05001625 void (*fast_done) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001626 void (*done) (struct ipr_cmnd *);
1627 int (*job_step) (struct ipr_cmnd *);
brking@us.ibm.comdfed8232005-11-01 17:02:55 -06001628 int (*job_step_failed) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001629 u16 cmd_index;
1630 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1631 dma_addr_t sense_buffer_dma;
1632 unsigned short dma_use_sg;
Wayne Boyera32c0552010-02-19 13:23:36 -08001633 dma_addr_t dma_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001634 struct ipr_cmnd *sibling;
1635 union {
1636 enum ipr_shutdown_type shutdown_type;
1637 struct ipr_hostrcb *hostrcb;
1638 unsigned long time_left;
1639 unsigned long scratch;
1640 struct ipr_resource_entry *res;
1641 struct scsi_device *sdev;
1642 } u;
1643
Brian King6cdb0812014-10-30 17:27:10 -05001644 struct completion *eh_comp;
wenxiong@linux.vnet.ibm.com05a65382013-01-11 17:43:50 -06001645 struct ipr_hrr_queue *hrrq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001646 struct ipr_ioa_cfg *ioa_cfg;
1647};
1648
1649struct ipr_ses_table_entry {
1650 char product_id[17];
1651 char compare_product_id_byte[17];
1652 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1653};
1654
1655struct ipr_dump_header {
1656 u32 eye_catcher;
1657#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1658 u32 len;
1659 u32 num_entries;
1660 u32 first_entry_offset;
1661 u32 status;
1662#define IPR_DUMP_STATUS_SUCCESS 0
1663#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1664#define IPR_DUMP_STATUS_FAILED 0xffffffff
1665 u32 os;
1666#define IPR_DUMP_OS_LINUX 0x4C4E5558
1667 u32 driver_name;
1668#define IPR_DUMP_DRIVER_NAME 0x49505232
1669}__attribute__((packed, aligned (4)));
1670
1671struct ipr_dump_entry_header {
1672 u32 eye_catcher;
1673#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1674 u32 len;
1675 u32 num_elems;
1676 u32 offset;
1677 u32 data_type;
1678#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1679#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1680 u32 id;
1681#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1682#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1683#define IPR_DUMP_TRACE_ID 0x54524143
1684#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1685#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1686#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1687#define IPR_DUMP_PEND_OPS 0x414F5053
1688 u32 status;
1689}__attribute__((packed, aligned (4)));
1690
1691struct ipr_dump_location_entry {
1692 struct ipr_dump_entry_header hdr;
Kay Sievers71610f52008-12-03 22:41:36 +01001693 u8 location[20];
Linus Torvalds1da177e2005-04-16 15:20:36 -07001694}__attribute__((packed));
1695
1696struct ipr_dump_trace_entry {
1697 struct ipr_dump_entry_header hdr;
1698 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1699}__attribute__((packed, aligned (4)));
1700
1701struct ipr_dump_version_entry {
1702 struct ipr_dump_entry_header hdr;
1703 u8 version[sizeof(IPR_DRIVER_VERSION)];
1704};
1705
1706struct ipr_dump_ioa_type_entry {
1707 struct ipr_dump_entry_header hdr;
1708 u32 type;
1709 u32 fw_version;
1710};
1711
1712struct ipr_driver_dump {
1713 struct ipr_dump_header hdr;
1714 struct ipr_dump_version_entry version_entry;
1715 struct ipr_dump_location_entry location_entry;
1716 struct ipr_dump_ioa_type_entry ioa_type_entry;
1717 struct ipr_dump_trace_entry trace_entry;
1718}__attribute__((packed));
1719
1720struct ipr_ioa_dump {
1721 struct ipr_dump_entry_header hdr;
1722 struct ipr_sdt sdt;
Kleber Sacilotto de Souza4d4dd702011-04-26 19:23:29 -03001723 __be32 **ioa_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001724 u32 reserved;
1725 u32 next_page_index;
1726 u32 page_offset;
1727 u32 format;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001728}__attribute__((packed, aligned (4)));
1729
1730struct ipr_dump {
1731 struct kref kref;
1732 struct ipr_ioa_cfg *ioa_cfg;
1733 struct ipr_driver_dump driver_dump;
1734 struct ipr_ioa_dump ioa_dump;
1735};
1736
1737struct ipr_error_table_t {
1738 u32 ioasc;
1739 int log_ioasa;
1740 int log_hcam;
1741 char *error;
1742};
1743
1744struct ipr_software_inq_lid_info {
1745 __be32 load_id;
1746 __be32 timestamp[3];
1747}__attribute__((packed, aligned (4)));
1748
1749struct ipr_ucode_image_header {
1750 __be32 header_length;
1751 __be32 lid_table_offset;
1752 u8 major_release;
1753 u8 card_type;
1754 u8 minor_release[2];
1755 u8 reserved[20];
1756 char eyecatcher[16];
1757 __be32 num_lids;
1758 struct ipr_software_inq_lid_info lid[1];
1759}__attribute__((packed, aligned (4)));
1760
1761/*
1762 * Macros
1763 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001764#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001765
1766#ifdef CONFIG_SCSI_IPR_TRACE
1767#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1768#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1769#else
1770#define ipr_create_trace_file(kobj, attr) 0
1771#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1772#endif
1773
1774#ifdef CONFIG_SCSI_IPR_DUMP
1775#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1776#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1777#else
1778#define ipr_create_dump_file(kobj, attr) 0
1779#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1780#endif
1781
1782/*
1783 * Error logging macros
1784 */
1785#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1786#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001787#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1788
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001789#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1790 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1791 bus, target, lun, ##__VA_ARGS__)
1792
1793#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1794 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1795
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001796#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1797 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1798 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001800#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1801 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001802
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001803#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1804{ \
1805 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1806 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1807 } else { \
1808 ipr_err(fmt": %d:%d:%d:%d\n", \
1809 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1810 (res).bus, (res).target, (res).lun); \
1811 } \
1812}
1813
Brian King49dc6a12006-11-21 10:28:35 -06001814#define ipr_hcam_err(hostrcb, fmt, ...) \
Wayne Boyer4565e372010-02-19 13:24:07 -08001815{ \
1816 if (ipr_is_device(hostrcb)) { \
1817 if ((hostrcb)->ioa_cfg->sis64) { \
1818 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
Brian Kingb3b3b402013-01-11 17:43:49 -06001819 ipr_format_res_path(hostrcb->ioa_cfg, \
1820 hostrcb->hcam.u.error64.fd_res_path, \
Wayne Boyer5adcbeb2010-06-03 16:02:21 -07001821 hostrcb->rp_buffer, \
1822 sizeof(hostrcb->rp_buffer)), \
Wayne Boyer4565e372010-02-19 13:24:07 -08001823 __VA_ARGS__); \
1824 } else { \
1825 ipr_ra_err((hostrcb)->ioa_cfg, \
1826 (hostrcb)->hcam.u.error.fd_res_addr, \
1827 fmt, __VA_ARGS__); \
1828 } \
1829 } else { \
1830 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1831 } \
Brian King49dc6a12006-11-21 10:28:35 -06001832}
1833
Linus Torvalds1da177e2005-04-16 15:20:36 -07001834#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -07001835 __FILE__, __func__, __LINE__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001836
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -07001837#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1838#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001839
1840#define ipr_err_separator \
1841ipr_err("----------------------------------------------------------\n")
1842
1843
1844/*
1845 * Inlines
1846 */
1847
1848/**
1849 * ipr_is_ioa_resource - Determine if a resource is the IOA
1850 * @res: resource entry struct
1851 *
1852 * Return value:
1853 * 1 if IOA / 0 if not IOA
1854 **/
1855static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1856{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001857 return res->type == IPR_RES_TYPE_IOAFP;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001858}
1859
1860/**
1861 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1862 * @res: resource entry struct
1863 *
1864 * Return value:
1865 * 1 if AF DASD / 0 if not AF DASD
1866 **/
1867static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1868{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001869 return res->type == IPR_RES_TYPE_AF_DASD ||
1870 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001871}
1872
1873/**
1874 * ipr_is_vset_device - Determine if a resource is a VSET
1875 * @res: resource entry struct
1876 *
1877 * Return value:
1878 * 1 if VSET / 0 if not VSET
1879 **/
1880static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1881{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001882 return res->type == IPR_RES_TYPE_VOLUME_SET;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001883}
1884
1885/**
1886 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1887 * @res: resource entry struct
1888 *
1889 * Return value:
1890 * 1 if GSCSI / 0 if not GSCSI
1891 **/
1892static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1893{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001894 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001895}
1896
1897/**
Brian Kinge4fbf442006-03-29 09:37:22 -06001898 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1899 * @res: resource entry struct
1900 *
1901 * Return value:
1902 * 1 if SCSI disk / 0 if not SCSI disk
1903 **/
1904static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1905{
1906 if (ipr_is_af_dasd_device(res) ||
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001907 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
Brian Kinge4fbf442006-03-29 09:37:22 -06001908 return 1;
1909 else
1910 return 0;
1911}
1912
1913/**
Brian Kingb5145d22006-08-02 14:57:36 -05001914 * ipr_is_gata - Determine if a resource is a generic ATA resource
1915 * @res: resource entry struct
1916 *
1917 * Return value:
1918 * 1 if GATA / 0 if not GATA
1919 **/
1920static inline int ipr_is_gata(struct ipr_resource_entry *res)
1921{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001922 return res->type == IPR_RES_TYPE_GENERIC_ATA;
Brian Kingb5145d22006-08-02 14:57:36 -05001923}
1924
1925/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001926 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1927 * @res: resource entry struct
1928 *
1929 * Return value:
1930 * 1 if NACA queueing model / 0 if not NACA queueing model
1931 **/
1932static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1933{
Wayne Boyer3e7ebdf2010-02-19 13:23:59 -08001934 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001935 return 1;
1936 return 0;
1937}
1938
1939/**
Wayne Boyer4565e372010-02-19 13:24:07 -08001940 * ipr_is_device - Determine if the hostrcb structure is related to a device
1941 * @hostrcb: host resource control blocks struct
Linus Torvalds1da177e2005-04-16 15:20:36 -07001942 *
1943 * Return value:
1944 * 1 if AF / 0 if not AF
1945 **/
Wayne Boyer4565e372010-02-19 13:24:07 -08001946static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001947{
Wayne Boyer4565e372010-02-19 13:24:07 -08001948 struct ipr_res_addr *res_addr;
1949 u8 *res_path;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001950
Wayne Boyer4565e372010-02-19 13:24:07 -08001951 if (hostrcb->ioa_cfg->sis64) {
1952 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1953 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1954 res_path[0] == 0x81) && res_path[2] != 0xFF)
1955 return 1;
1956 } else {
1957 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1958
1959 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1960 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1961 return 1;
1962 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001963 return 0;
1964}
1965
1966/**
1967 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1968 * @sdt_word: SDT address
1969 *
1970 * Return value:
1971 * 1 if format 2 / 0 if not
1972 **/
1973static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1974{
1975 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1976
1977 switch (bar_sel) {
1978 case IPR_SDT_FMT2_BAR0_SEL:
1979 case IPR_SDT_FMT2_BAR1_SEL:
1980 case IPR_SDT_FMT2_BAR2_SEL:
1981 case IPR_SDT_FMT2_BAR3_SEL:
1982 case IPR_SDT_FMT2_BAR4_SEL:
1983 case IPR_SDT_FMT2_BAR5_SEL:
1984 case IPR_SDT_FMT2_EXP_ROM_SEL:
1985 return 1;
1986 };
1987
1988 return 0;
1989}
1990
Wayne Boyerc5f10182010-06-09 08:24:55 -07001991#ifndef writeq
1992static inline void writeq(u64 val, void __iomem *addr)
1993{
1994 writel(((u32) (val >> 32)), addr);
1995 writel(((u32) (val)), (addr + 4));
1996}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001997#endif
Wayne Boyerc5f10182010-06-09 08:24:55 -07001998
1999#endif /* _IPR_H */