blob: bc53d7cebe0ac645e654b34889e9fb0c4cfbd9f5 [file] [log] [blame]
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 *
22 * Alan Cox <alan@redhat.com> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26#ifndef _IPR_H
27#define _IPR_H
28
29#include <linux/types.h>
30#include <linux/completion.h>
Brian King35a39692006-09-25 12:39:20 -050031#include <linux/libata.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <linux/list.h>
33#include <linux/kref.h>
34#include <scsi/scsi.h>
35#include <scsi/scsi_cmnd.h>
36
37/*
38 * Literals
39 */
Brian Kingaa2e07b2007-03-29 12:43:57 -050040#define IPR_DRIVER_VERSION "2.3.2"
41#define IPR_DRIVER_DATE "(March 23, 2007)"
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
45 * ops per device for devices not running tagged command queuing.
46 * This can be adjusted at runtime through sysfs device attributes.
47 */
48#define IPR_MAX_CMD_PER_LUN 6
Brian Kingb5145d22006-08-02 14:57:36 -050049#define IPR_MAX_CMD_PER_ATA_LUN 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51/*
52 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
53 * ops the mid-layer can send to the adapter.
54 */
55#define IPR_NUM_BASE_CMD_BLKS 100
56
Brian King60e74862006-11-21 10:28:10 -060057#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
Brian King185eb312007-03-29 12:42:53 -050058#define PCI_DEVICE_ID_IBM_SCAMP_E 0x034A
Brian King60e74862006-11-21 10:28:10 -060059
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#define IPR_SUBS_DEV_ID_2780 0x0264
61#define IPR_SUBS_DEV_ID_5702 0x0266
62#define IPR_SUBS_DEV_ID_5703 0x0278
63#define IPR_SUBS_DEV_ID_572E 0x028D
64#define IPR_SUBS_DEV_ID_573E 0x02D3
65#define IPR_SUBS_DEV_ID_573D 0x02D4
66#define IPR_SUBS_DEV_ID_571A 0x02C0
67#define IPR_SUBS_DEV_ID_571B 0x02BE
68#define IPR_SUBS_DEV_ID_571E 0x02BF
brking@us.ibm.com86f51432005-11-01 17:02:42 -060069#define IPR_SUBS_DEV_ID_571F 0x02D5
70#define IPR_SUBS_DEV_ID_572A 0x02C1
71#define IPR_SUBS_DEV_ID_572B 0x02C2
Brian King60e74862006-11-21 10:28:10 -060072#define IPR_SUBS_DEV_ID_572F 0x02C3
Brian King185eb312007-03-29 12:42:53 -050073#define IPR_SUBS_DEV_ID_574D 0x030B
74#define IPR_SUBS_DEV_ID_574E 0x030A
brking@us.ibm.com86f51432005-11-01 17:02:42 -060075#define IPR_SUBS_DEV_ID_575B 0x030D
Brian King60e74862006-11-21 10:28:10 -060076#define IPR_SUBS_DEV_ID_575C 0x0338
Brian King185eb312007-03-29 12:42:53 -050077#define IPR_SUBS_DEV_ID_575D 0x033E
78#define IPR_SUBS_DEV_ID_57B3 0x033A
Brian King60e74862006-11-21 10:28:10 -060079#define IPR_SUBS_DEV_ID_57B7 0x0360
80#define IPR_SUBS_DEV_ID_57B8 0x02C2
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
82#define IPR_NAME "ipr"
83
84/*
85 * Return codes
86 */
87#define IPR_RC_JOB_CONTINUE 1
88#define IPR_RC_JOB_RETURN 2
89
90/*
91 * IOASCs
92 */
93#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
94#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
95#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
96#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
97#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
98#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
99#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
brking@us.ibm.comdfed8232005-11-01 17:02:55 -0600100#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600102#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
103#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104#define IPR_IOASC_BUS_WAS_RESET 0x06290000
105#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
106#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
107
108#define IPR_FIRST_DRIVER_IOASC 0x10000000
109#define IPR_IOASC_IOA_WAS_RESET 0x10000001
110#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
111
Brian King5469cb52007-03-29 12:42:40 -0500112/* Driver data flags */
113#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
114
Brian Kingac719ab2006-11-21 10:28:42 -0600115#define IPR_DEFAULT_MAX_ERROR_DUMP 984
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116#define IPR_NUM_LOG_HCAMS 2
117#define IPR_NUM_CFG_CHG_HCAMS 2
118#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600119#define IPR_MAX_NUM_TARGETS_PER_BUS 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120#define IPR_MAX_NUM_LUNS_PER_TARGET 256
121#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
122#define IPR_VSET_BUS 0xff
123#define IPR_IOA_BUS 0xff
124#define IPR_IOA_TARGET 0xff
125#define IPR_IOA_LUN 0xff
Brian Kingb5145d22006-08-02 14:57:36 -0500126#define IPR_MAX_NUM_BUSES 16
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
128
129#define IPR_NUM_RESET_RELOAD_RETRIES 3
130
131/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
132#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
133 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
134
135#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
136#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
137 IPR_NUM_INTERNAL_CMD_BLKS)
138
139#define IPR_MAX_PHYSICAL_DEVS 192
140
141#define IPR_MAX_SGLIST 64
142#define IPR_IOA_MAX_SECTORS 32767
143#define IPR_VSET_MAX_SECTORS 512
144#define IPR_MAX_CDB_LEN 16
145
146#define IPR_DEFAULT_BUS_WIDTH 16
147#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
148#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
149#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
150#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
151
152#define IPR_IOA_RES_HANDLE 0xffffffff
Brian King1121b792006-03-29 09:37:16 -0600153#define IPR_INVALID_RES_HANDLE 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154#define IPR_IOA_RES_ADDR 0x00ffffff
155
156/*
157 * Adapter Commands
158 */
159#define IPR_QUERY_RSRC_STATE 0xC2
160#define IPR_RESET_DEVICE 0xC3
161#define IPR_RESET_TYPE_SELECT 0x80
162#define IPR_LUN_RESET 0x40
163#define IPR_TARGET_RESET 0x20
164#define IPR_BUS_RESET 0x10
Brian Kingb5145d22006-08-02 14:57:36 -0500165#define IPR_ATA_PHY_RESET 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166#define IPR_ID_HOST_RR_Q 0xC4
167#define IPR_QUERY_IOA_CONFIG 0xC5
168#define IPR_CANCEL_ALL_REQUESTS 0xCE
169#define IPR_HOST_CONTROLLED_ASYNC 0xCF
170#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
171#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
172#define IPR_SET_SUPPORTED_DEVICES 0xFB
173#define IPR_IOA_SHUTDOWN 0xF7
174#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
175
176/*
177 * Timeouts
178 */
179#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
180#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
181#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
182#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
183#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
184#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
185#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
186#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
187#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
188#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
189#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
Brian King5469cb52007-03-29 12:42:40 -0500190#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
192#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
193#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
194#define IPR_DUMP_TIMEOUT (15 * HZ)
195
196/*
197 * SCSI Literals
198 */
199#define IPR_VENDOR_ID_LEN 8
200#define IPR_PROD_ID_LEN 16
201#define IPR_SERIAL_NUM_LEN 8
202
203/*
204 * Hardware literals
205 */
206#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
207#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
208#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
209#define IPR_GET_FMT2_BAR_SEL(mbx) \
210(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
211#define IPR_SDT_FMT2_BAR0_SEL 0x0
212#define IPR_SDT_FMT2_BAR1_SEL 0x1
213#define IPR_SDT_FMT2_BAR2_SEL 0x2
214#define IPR_SDT_FMT2_BAR3_SEL 0x3
215#define IPR_SDT_FMT2_BAR4_SEL 0x4
216#define IPR_SDT_FMT2_BAR5_SEL 0x5
217#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
218#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
219#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600220#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221
222#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
223#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
224#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
225#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
226#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
227#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
228#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
229#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
230#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
231#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
232#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
233
234#define IPR_PCII_ERROR_INTERRUPTS \
235(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
236IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
237
238#define IPR_PCII_OPER_INTERRUPTS \
239(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
240
241#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
242#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
243
244#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
245#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
246
247/*
248 * Dump literals
249 */
250#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
251#define IPR_NUM_SDT_ENTRIES 511
252#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
253
254/*
255 * Misc literals
256 */
257#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
258
259/*
260 * Adapter interface types
261 */
262
263struct ipr_res_addr {
264 u8 reserved;
265 u8 bus;
266 u8 target;
267 u8 lun;
268#define IPR_GET_PHYS_LOC(res_addr) \
269 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
270}__attribute__((packed, aligned (4)));
271
272struct ipr_std_inq_vpids {
273 u8 vendor_id[IPR_VENDOR_ID_LEN];
274 u8 product_id[IPR_PROD_ID_LEN];
275}__attribute__((packed));
276
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600277struct ipr_vpd {
278 struct ipr_std_inq_vpids vpids;
279 u8 sn[IPR_SERIAL_NUM_LEN];
280}__attribute__((packed));
281
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600282struct ipr_ext_vpd {
283 struct ipr_vpd vpd;
284 __be32 wwid[2];
285}__attribute__((packed));
286
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287struct ipr_std_inq_data {
288 u8 peri_qual_dev_type;
289#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
290#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
291
292 u8 removeable_medium_rsvd;
293#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
294
295#define IPR_IS_DASD_DEVICE(std_inq) \
296((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
297!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
298
299#define IPR_IS_SES_DEVICE(std_inq) \
300(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
301
302 u8 version;
303 u8 aen_naca_fmt;
304 u8 additional_len;
305 u8 sccs_rsvd;
306 u8 bq_enc_multi;
307 u8 sync_cmdq_flags;
308
309 struct ipr_std_inq_vpids vpids;
310
311 u8 ros_rsvd_ram_rsvd[4];
312
313 u8 serial_num[IPR_SERIAL_NUM_LEN];
314}__attribute__ ((packed));
315
316struct ipr_config_table_entry {
Brian Kingb5145d22006-08-02 14:57:36 -0500317 u8 proto;
318#define IPR_PROTO_SATA 0x02
319#define IPR_PROTO_SATA_ATAPI 0x03
320#define IPR_PROTO_SAS_STP 0x06
321#define IPR_PROTO_SAS_STP_ATAPI 0x07
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322 u8 array_id;
323 u8 flags;
324#define IPR_IS_IOA_RESOURCE 0x80
325#define IPR_IS_ARRAY_MEMBER 0x20
326#define IPR_IS_HOT_SPARE 0x10
327
328 u8 rsvd_subtype;
329#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
330#define IPR_SUBTYPE_AF_DASD 0
331#define IPR_SUBTYPE_GENERIC_SCSI 1
332#define IPR_SUBTYPE_VOLUME_SET 2
Brian Kingb5145d22006-08-02 14:57:36 -0500333#define IPR_SUBTYPE_GENERIC_ATA 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600335#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
336#define IPR_QUEUE_FROZEN_MODEL 0
337#define IPR_QUEUE_NACA_MODEL 1
338
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 struct ipr_res_addr res_addr;
340 __be32 res_handle;
341 __be32 reserved4[2];
342 struct ipr_std_inq_data std_inq_data;
343}__attribute__ ((packed, aligned (4)));
344
345struct ipr_config_table_hdr {
346 u8 num_entries;
347 u8 flags;
348#define IPR_UCODE_DOWNLOAD_REQ 0x10
349 __be16 reserved;
350}__attribute__((packed, aligned (4)));
351
352struct ipr_config_table {
353 struct ipr_config_table_hdr hdr;
354 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
355}__attribute__((packed, aligned (4)));
356
357struct ipr_hostrcb_cfg_ch_not {
358 struct ipr_config_table_entry cfgte;
359 u8 reserved[936];
360}__attribute__((packed, aligned (4)));
361
362struct ipr_supported_device {
363 __be16 data_length;
364 u8 reserved;
365 u8 num_records;
366 struct ipr_std_inq_vpids vpids;
367 u8 reserved2[16];
368}__attribute__((packed, aligned (4)));
369
370/* Command packet structure */
371struct ipr_cmd_pkt {
372 __be16 reserved; /* Reserved by IOA */
373 u8 request_type;
374#define IPR_RQTYPE_SCSICDB 0x00
375#define IPR_RQTYPE_IOACMD 0x01
376#define IPR_RQTYPE_HCAM 0x02
Brian Kingb5145d22006-08-02 14:57:36 -0500377#define IPR_RQTYPE_ATA_PASSTHRU 0x04
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378
379 u8 luntar_luntrn;
380
381 u8 flags_hi;
382#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
383#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
384#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
385#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
386#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
387
388 u8 flags_lo;
389#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
390#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
391#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
392#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
393#define IPR_FLAGS_LO_ORDERED_TASK 0x04
394#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
395#define IPR_FLAGS_LO_ACA_TASK 0x08
396
397 u8 cdb[16];
398 __be16 timeout;
399}__attribute__ ((packed, aligned(4)));
400
Brian Kingb5145d22006-08-02 14:57:36 -0500401struct ipr_ioarcb_ata_regs {
402 u8 flags;
403#define IPR_ATA_FLAG_PACKET_CMD 0x80
404#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
405#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
406 u8 reserved[3];
407
408 __be16 data;
409 u8 feature;
410 u8 nsect;
411 u8 lbal;
412 u8 lbam;
413 u8 lbah;
414 u8 device;
415 u8 command;
416 u8 reserved2[3];
417 u8 hob_feature;
418 u8 hob_nsect;
419 u8 hob_lbal;
420 u8 hob_lbam;
421 u8 hob_lbah;
422 u8 ctl;
423}__attribute__ ((packed, aligned(4)));
424
Brian King51b1c7e2007-03-29 12:43:50 -0500425struct ipr_ioadl_desc {
426 __be32 flags_and_data_len;
427#define IPR_IOADL_FLAGS_MASK 0xff000000
428#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
429#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
430#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
431#define IPR_IOADL_FLAGS_READ 0x48000000
432#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
433#define IPR_IOADL_FLAGS_WRITE 0x68000000
434#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
435#define IPR_IOADL_FLAGS_LAST 0x01000000
436
437 __be32 address;
438}__attribute__((packed, aligned (8)));
439
Brian Kingb5145d22006-08-02 14:57:36 -0500440struct ipr_ioarcb_add_data {
441 union {
442 struct ipr_ioarcb_ata_regs regs;
Brian King51b1c7e2007-03-29 12:43:50 -0500443 struct ipr_ioadl_desc ioadl[5];
Brian Kingb5145d22006-08-02 14:57:36 -0500444 __be32 add_cmd_parms[10];
445 }u;
446}__attribute__ ((packed, aligned(4)));
447
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448/* IOA Request Control Block 128 bytes */
449struct ipr_ioarcb {
450 __be32 ioarcb_host_pci_addr;
451 __be32 reserved;
452 __be32 res_handle;
453 __be32 host_response_handle;
454 __be32 reserved1;
455 __be32 reserved2;
456 __be32 reserved3;
457
458 __be32 write_data_transfer_length;
459 __be32 read_data_transfer_length;
460 __be32 write_ioadl_addr;
461 __be32 write_ioadl_len;
462 __be32 read_ioadl_addr;
463 __be32 read_ioadl_len;
464
465 __be32 ioasa_host_pci_addr;
466 __be16 ioasa_len;
467 __be16 reserved4;
468
469 struct ipr_cmd_pkt cmd_pkt;
470
471 __be32 add_cmd_parms_len;
Brian Kingb5145d22006-08-02 14:57:36 -0500472 struct ipr_ioarcb_add_data add_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473}__attribute__((packed, aligned (4)));
474
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475struct ipr_ioasa_vset {
476 __be32 failing_lba_hi;
477 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600478 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479}__attribute__((packed, aligned (4)));
480
481struct ipr_ioasa_af_dasd {
482 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600483 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484}__attribute__((packed, aligned (4)));
485
486struct ipr_ioasa_gpdd {
487 u8 end_state;
488 u8 bus_phase;
489 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600490 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491}__attribute__((packed, aligned (4)));
492
Brian Kingb5145d22006-08-02 14:57:36 -0500493struct ipr_ioasa_gata {
494 u8 error;
495 u8 nsect; /* Interrupt reason */
496 u8 lbal;
497 u8 lbam;
498 u8 lbah;
499 u8 device;
500 u8 status;
501 u8 alt_status; /* ATA CTL */
502 u8 hob_nsect;
503 u8 hob_lbal;
504 u8 hob_lbam;
505 u8 hob_lbah;
506}__attribute__((packed, aligned (4)));
507
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600508struct ipr_auto_sense {
509 __be16 auto_sense_len;
510 __be16 ioa_data_len;
511 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
512};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513
514struct ipr_ioasa {
515 __be32 ioasc;
516#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
517#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
518#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
519#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
520
521 __be16 ret_stat_len; /* Length of the returned IOASA */
522
523 __be16 avail_stat_len; /* Total Length of status available. */
524
525 __be32 residual_data_len; /* number of bytes in the host data */
526 /* buffers that were not used by the IOARCB command. */
527
528 __be32 ilid;
529#define IPR_NO_ILID 0
530#define IPR_DRIVER_ILID 0xffffffff
531
532 __be32 fd_ioasc;
533
534 __be32 fd_phys_locator;
535
536 __be32 fd_res_handle;
537
538 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600539#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
540#define IPR_AUTOSENSE_VALID 0x40000000
Brian Kingb5145d22006-08-02 14:57:36 -0500541#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
543#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
544#define IPR_FIELD_POINTER_MASK 0x0000ffff
545
546 union {
547 struct ipr_ioasa_vset vset;
548 struct ipr_ioasa_af_dasd dasd;
549 struct ipr_ioasa_gpdd gpdd;
Brian Kingb5145d22006-08-02 14:57:36 -0500550 struct ipr_ioasa_gata gata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600552
553 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554}__attribute__((packed, aligned (4)));
555
556struct ipr_mode_parm_hdr {
557 u8 length;
558 u8 medium_type;
559 u8 device_spec_parms;
560 u8 block_desc_len;
561}__attribute__((packed));
562
563struct ipr_mode_pages {
564 struct ipr_mode_parm_hdr hdr;
565 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
566}__attribute__((packed));
567
568struct ipr_mode_page_hdr {
569 u8 ps_page_code;
570#define IPR_MODE_PAGE_PS 0x80
571#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
572 u8 page_length;
573}__attribute__ ((packed));
574
575struct ipr_dev_bus_entry {
576 struct ipr_res_addr res_addr;
577 u8 flags;
578#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
579#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
580#define IPR_SCSI_ATTR_QAS_MASK 0xC0
581#define IPR_SCSI_ATTR_ENABLE_TM 0x20
582#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
583#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
584#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
585
586 u8 scsi_id;
587 u8 bus_width;
588 u8 extended_reset_delay;
589#define IPR_EXTENDED_RESET_DELAY 7
590
591 __be32 max_xfer_rate;
592
593 u8 spinup_delay;
594 u8 reserved3;
595 __be16 reserved4;
596}__attribute__((packed, aligned (4)));
597
598struct ipr_mode_page28 {
599 struct ipr_mode_page_hdr hdr;
600 u8 num_entries;
601 u8 entry_length;
602 struct ipr_dev_bus_entry bus[0];
603}__attribute__((packed));
604
605struct ipr_ioa_vpd {
606 struct ipr_std_inq_data std_inq_data;
607 u8 ascii_part_num[12];
608 u8 reserved[40];
609 u8 ascii_plant_code[4];
610}__attribute__((packed));
611
612struct ipr_inquiry_page3 {
613 u8 peri_qual_dev_type;
614 u8 page_code;
615 u8 reserved1;
616 u8 page_length;
617 u8 ascii_len;
618 u8 reserved2[3];
619 u8 load_id[4];
620 u8 major_release;
621 u8 card_type;
622 u8 minor_release[2];
623 u8 ptf_number[4];
624 u8 patch_number[4];
625}__attribute__((packed));
626
brking@us.ibm.com62275042005-11-01 17:01:14 -0600627#define IPR_INQUIRY_PAGE0_ENTRIES 20
628struct ipr_inquiry_page0 {
629 u8 peri_qual_dev_type;
630 u8 page_code;
631 u8 reserved1;
632 u8 len;
633 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
634}__attribute__((packed));
635
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600637 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600639 struct ipr_vpd new_vpd;
640 struct ipr_vpd ioa_last_with_dev_vpd;
641 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642 __be32 ioa_data[5];
643}__attribute__((packed, aligned (4)));
644
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600645struct ipr_hostrcb_device_data_entry_enhanced {
646 struct ipr_ext_vpd vpd;
647 u8 ccin[4];
648 struct ipr_res_addr dev_res_addr;
649 struct ipr_ext_vpd new_vpd;
650 u8 new_ccin[4];
651 struct ipr_ext_vpd ioa_last_with_dev_vpd;
652 struct ipr_ext_vpd cfc_last_with_dev_vpd;
653}__attribute__((packed, aligned (4)));
654
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600656 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 struct ipr_res_addr expected_dev_res_addr;
658 struct ipr_res_addr dev_res_addr;
659}__attribute__((packed, aligned (4)));
660
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600661struct ipr_hostrcb_array_data_entry_enhanced {
662 struct ipr_ext_vpd vpd;
663 u8 ccin[4];
664 struct ipr_res_addr expected_dev_res_addr;
665 struct ipr_res_addr dev_res_addr;
666}__attribute__((packed, aligned (4)));
667
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600669 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670}__attribute__((packed, aligned (4)));
671
672struct ipr_hostrcb_type_01_error {
673 __be32 seek_counter;
674 __be32 read_counter;
675 u8 sense_data[32];
676 __be32 ioa_data[236];
677}__attribute__((packed, aligned (4)));
678
679struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600680 struct ipr_vpd ioa_vpd;
681 struct ipr_vpd cfc_vpd;
682 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
683 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685}__attribute__((packed, aligned (4)));
686
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600687struct ipr_hostrcb_type_12_error {
688 struct ipr_ext_vpd ioa_vpd;
689 struct ipr_ext_vpd cfc_vpd;
690 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
691 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
692 __be32 ioa_data[3];
693}__attribute__((packed, aligned (4)));
694
Linus Torvalds1da177e2005-04-16 15:20:36 -0700695struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600696 struct ipr_vpd ioa_vpd;
697 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698 __be32 errors_detected;
699 __be32 errors_logged;
700 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600701 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702}__attribute__((packed, aligned (4)));
703
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600704struct ipr_hostrcb_type_13_error {
705 struct ipr_ext_vpd ioa_vpd;
706 struct ipr_ext_vpd cfc_vpd;
707 __be32 errors_detected;
708 __be32 errors_logged;
709 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
710}__attribute__((packed, aligned (4)));
711
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600713 struct ipr_vpd ioa_vpd;
714 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 u8 ioa_data[12];
716 struct ipr_hostrcb_array_data_entry array_member[10];
717 __be32 exposed_mode_adn;
718 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600719 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720 __be32 ioa_data2;
721 struct ipr_hostrcb_array_data_entry array_member2[8];
722 struct ipr_res_addr last_func_vset_res_addr;
723 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
724 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725}__attribute__((packed, aligned (4)));
726
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600727struct ipr_hostrcb_type_14_error {
728 struct ipr_ext_vpd ioa_vpd;
729 struct ipr_ext_vpd cfc_vpd;
730 __be32 exposed_mode_adn;
731 __be32 array_id;
732 struct ipr_res_addr last_func_vset_res_addr;
733 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
734 u8 protection_level[8];
735 __be32 num_entries;
736 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
737}__attribute__((packed, aligned (4)));
738
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600739struct ipr_hostrcb_type_07_error {
740 u8 failure_reason[64];
741 struct ipr_vpd vpd;
742 u32 data[222];
743}__attribute__((packed, aligned (4)));
744
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600745struct ipr_hostrcb_type_17_error {
746 u8 failure_reason[64];
747 struct ipr_ext_vpd vpd;
748 u32 data[476];
749}__attribute__((packed, aligned (4)));
750
Brian King49dc6a12006-11-21 10:28:35 -0600751struct ipr_hostrcb_config_element {
752 u8 type_status;
753#define IPR_PATH_CFG_TYPE_MASK 0xF0
754#define IPR_PATH_CFG_NOT_EXIST 0x00
755#define IPR_PATH_CFG_IOA_PORT 0x10
756#define IPR_PATH_CFG_EXP_PORT 0x20
757#define IPR_PATH_CFG_DEVICE_PORT 0x30
758#define IPR_PATH_CFG_DEVICE_LUN 0x40
759
760#define IPR_PATH_CFG_STATUS_MASK 0x0F
761#define IPR_PATH_CFG_NO_PROB 0x00
762#define IPR_PATH_CFG_DEGRADED 0x01
763#define IPR_PATH_CFG_FAILED 0x02
764#define IPR_PATH_CFG_SUSPECT 0x03
765#define IPR_PATH_NOT_DETECTED 0x04
766#define IPR_PATH_INCORRECT_CONN 0x05
767
768 u8 cascaded_expander;
769 u8 phy;
770 u8 link_rate;
771#define IPR_PHY_LINK_RATE_MASK 0x0F
772
773 __be32 wwid[2];
774}__attribute__((packed, aligned (4)));
775
776struct ipr_hostrcb_fabric_desc {
777 __be16 length;
778 u8 ioa_port;
779 u8 cascaded_expander;
780 u8 phy;
781 u8 path_state;
782#define IPR_PATH_ACTIVE_MASK 0xC0
783#define IPR_PATH_NO_INFO 0x00
784#define IPR_PATH_ACTIVE 0x40
785#define IPR_PATH_NOT_ACTIVE 0x80
786
787#define IPR_PATH_STATE_MASK 0x0F
788#define IPR_PATH_STATE_NO_INFO 0x00
789#define IPR_PATH_HEALTHY 0x01
790#define IPR_PATH_DEGRADED 0x02
791#define IPR_PATH_FAILED 0x03
792
793 __be16 num_entries;
794 struct ipr_hostrcb_config_element elem[1];
795}__attribute__((packed, aligned (4)));
796
797#define for_each_fabric_cfg(fabric, cfg) \
798 for (cfg = (fabric)->elem; \
799 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
800 cfg++)
801
802struct ipr_hostrcb_type_20_error {
803 u8 failure_reason[64];
804 u8 reserved[3];
805 u8 num_entries;
806 struct ipr_hostrcb_fabric_desc desc[1];
807}__attribute__((packed, aligned (4)));
808
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809struct ipr_hostrcb_error {
810 __be32 failing_dev_ioasc;
811 struct ipr_res_addr failing_dev_res_addr;
812 __be32 failing_dev_res_handle;
813 __be32 prc;
814 union {
815 struct ipr_hostrcb_type_ff_error type_ff_error;
816 struct ipr_hostrcb_type_01_error type_01_error;
817 struct ipr_hostrcb_type_02_error type_02_error;
818 struct ipr_hostrcb_type_03_error type_03_error;
819 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600820 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600821 struct ipr_hostrcb_type_12_error type_12_error;
822 struct ipr_hostrcb_type_13_error type_13_error;
823 struct ipr_hostrcb_type_14_error type_14_error;
824 struct ipr_hostrcb_type_17_error type_17_error;
Brian King49dc6a12006-11-21 10:28:35 -0600825 struct ipr_hostrcb_type_20_error type_20_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826 } u;
827}__attribute__((packed, aligned (4)));
828
829struct ipr_hostrcb_raw {
830 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
831}__attribute__((packed, aligned (4)));
832
833struct ipr_hcam {
834 u8 op_code;
835#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
836#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
837
838 u8 notify_type;
839#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
840#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
841#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
842#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
843#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
844
845 u8 notifications_lost;
846#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
847#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
848
849 u8 flags;
850#define IPR_HOSTRCB_INTERNAL_OPER 0x80
851#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
852
853 u8 overlay_id;
854#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
855#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
856#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
857#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
858#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600859#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600860#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
861#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
862#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
863#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
864#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Brian King49dc6a12006-11-21 10:28:35 -0600865#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
Linus Torvalds1da177e2005-04-16 15:20:36 -0700866#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
867
868 u8 reserved1[3];
869 __be32 ilid;
870 __be32 time_since_last_ioa_reset;
871 __be32 reserved2;
872 __be32 length;
873
874 union {
875 struct ipr_hostrcb_error error;
876 struct ipr_hostrcb_cfg_ch_not ccn;
877 struct ipr_hostrcb_raw raw;
878 } u;
879}__attribute__((packed, aligned (4)));
880
881struct ipr_hostrcb {
882 struct ipr_hcam hcam;
883 dma_addr_t hostrcb_dma;
884 struct list_head queue;
Brian King49dc6a12006-11-21 10:28:35 -0600885 struct ipr_ioa_cfg *ioa_cfg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700886};
887
888/* IPR smart dump table structures */
889struct ipr_sdt_entry {
890 __be32 bar_str_offset;
891 __be32 end_offset;
892 u8 entry_byte;
893 u8 reserved[3];
894
895 u8 flags;
896#define IPR_SDT_ENDIAN 0x80
897#define IPR_SDT_VALID_ENTRY 0x20
898
899 u8 resv;
900 __be16 priority;
901}__attribute__((packed, aligned (4)));
902
903struct ipr_sdt_header {
904 __be32 state;
905 __be32 num_entries;
906 __be32 num_entries_used;
907 __be32 dump_size;
908}__attribute__((packed, aligned (4)));
909
910struct ipr_sdt {
911 struct ipr_sdt_header hdr;
912 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
913}__attribute__((packed, aligned (4)));
914
915struct ipr_uc_sdt {
916 struct ipr_sdt_header hdr;
917 struct ipr_sdt_entry entry[1];
918}__attribute__((packed, aligned (4)));
919
920/*
921 * Driver types
922 */
923struct ipr_bus_attributes {
924 u8 bus;
925 u8 qas_enabled;
926 u8 bus_width;
927 u8 reserved;
928 u32 max_xfer_rate;
929};
930
Brian King35a39692006-09-25 12:39:20 -0500931struct ipr_sata_port {
932 struct ipr_ioa_cfg *ioa_cfg;
933 struct ata_port *ap;
934 struct ipr_resource_entry *res;
935 struct ipr_ioasa_gata ioasa;
936};
937
Linus Torvalds1da177e2005-04-16 15:20:36 -0700938struct ipr_resource_entry {
939 struct ipr_config_table_entry cfgte;
940 u8 needs_sync_complete:1;
941 u8 in_erp:1;
942 u8 add_to_ml:1;
943 u8 del_from_ml:1;
944 u8 resetting_device:1;
945
946 struct scsi_device *sdev;
Brian King35a39692006-09-25 12:39:20 -0500947 struct ipr_sata_port *sata_port;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948 struct list_head queue;
949};
950
951struct ipr_resource_hdr {
952 u16 num_entries;
953 u16 reserved;
954};
955
956struct ipr_resource_table {
957 struct ipr_resource_hdr hdr;
958 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
959};
960
961struct ipr_misc_cbs {
962 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600963 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700964 struct ipr_inquiry_page3 page3_data;
965 struct ipr_mode_pages mode_pages;
966 struct ipr_supported_device supp_dev;
967};
968
969struct ipr_interrupt_offsets {
970 unsigned long set_interrupt_mask_reg;
971 unsigned long clr_interrupt_mask_reg;
972 unsigned long sense_interrupt_mask_reg;
973 unsigned long clr_interrupt_reg;
974
975 unsigned long sense_interrupt_reg;
976 unsigned long ioarrin_reg;
977 unsigned long sense_uproc_interrupt_reg;
978 unsigned long set_uproc_interrupt_reg;
979 unsigned long clr_uproc_interrupt_reg;
980};
981
982struct ipr_interrupts {
983 void __iomem *set_interrupt_mask_reg;
984 void __iomem *clr_interrupt_mask_reg;
985 void __iomem *sense_interrupt_mask_reg;
986 void __iomem *clr_interrupt_reg;
987
988 void __iomem *sense_interrupt_reg;
989 void __iomem *ioarrin_reg;
990 void __iomem *sense_uproc_interrupt_reg;
991 void __iomem *set_uproc_interrupt_reg;
992 void __iomem *clr_uproc_interrupt_reg;
993};
994
995struct ipr_chip_cfg_t {
996 u32 mailbox;
997 u8 cache_line_size;
998 struct ipr_interrupt_offsets regs;
999};
1000
1001struct ipr_chip_t {
1002 u16 vendor;
1003 u16 device;
1004 const struct ipr_chip_cfg_t *cfg;
1005};
1006
1007enum ipr_shutdown_type {
1008 IPR_SHUTDOWN_NORMAL = 0x00,
1009 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1010 IPR_SHUTDOWN_ABBREV = 0x80,
1011 IPR_SHUTDOWN_NONE = 0x100
1012};
1013
1014struct ipr_trace_entry {
1015 u32 time;
1016
1017 u8 op_code;
Brian King35a39692006-09-25 12:39:20 -05001018 u8 ata_op_code;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019 u8 type;
1020#define IPR_TRACE_START 0x00
1021#define IPR_TRACE_FINISH 0xff
Brian King35a39692006-09-25 12:39:20 -05001022 u8 cmd_index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001023
1024 __be32 res_handle;
1025 union {
1026 u32 ioasc;
1027 u32 add_data;
1028 u32 res_addr;
1029 } u;
1030};
1031
1032struct ipr_sglist {
1033 u32 order;
1034 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -06001035 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036 u32 buffer_len;
1037 struct scatterlist scatterlist[1];
1038};
1039
1040enum ipr_sdt_state {
1041 INACTIVE,
1042 WAIT_FOR_DUMP,
1043 GET_DUMP,
1044 ABORT_DUMP,
1045 DUMP_OBTAINED
1046};
1047
brking@us.ibm.com62275042005-11-01 17:01:14 -06001048enum ipr_cache_state {
1049 CACHE_NONE,
1050 CACHE_DISABLED,
1051 CACHE_ENABLED,
1052 CACHE_INVALID
1053};
1054
Linus Torvalds1da177e2005-04-16 15:20:36 -07001055/* Per-controller data */
1056struct ipr_ioa_cfg {
1057 char eye_catcher[8];
1058#define IPR_EYECATCHER "iprcfg"
1059
1060 struct list_head queue;
1061
1062 u8 allow_interrupts:1;
1063 u8 in_reset_reload:1;
1064 u8 in_ioa_bringdown:1;
1065 u8 ioa_unit_checked:1;
1066 u8 ioa_is_dead:1;
1067 u8 dump_taken:1;
1068 u8 allow_cmds:1;
1069 u8 allow_ml_add_del:1;
brking@us.ibm.comce155cc2005-11-17 09:35:12 -06001070 u8 needs_hard_reset:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001071
brking@us.ibm.com62275042005-11-01 17:01:14 -06001072 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001073 u16 type; /* CCIN of the card */
1074
1075 u8 log_level;
1076#define IPR_MAX_LOG_LEVEL 4
1077#define IPR_DEFAULT_LOG_LEVEL 2
1078
1079#define IPR_NUM_TRACE_INDEX_BITS 8
1080#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1081#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1082 char trace_start[8];
1083#define IPR_TRACE_START_LABEL "trace"
1084 struct ipr_trace_entry *trace;
1085 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
1086
1087 /*
1088 * Queue for free command blocks
1089 */
1090 char ipr_free_label[8];
1091#define IPR_FREEQ_LABEL "free-q"
1092 struct list_head free_q;
1093
1094 /*
1095 * Queue for command blocks outstanding to the adapter
1096 */
1097 char ipr_pending_label[8];
1098#define IPR_PENDQ_LABEL "pend-q"
1099 struct list_head pending_q;
1100
1101 char cfg_table_start[8];
1102#define IPR_CFG_TBL_START "cfg"
1103 struct ipr_config_table *cfg_table;
1104 dma_addr_t cfg_table_dma;
1105
1106 char resource_table_label[8];
1107#define IPR_RES_TABLE_LABEL "res_tbl"
1108 struct ipr_resource_entry *res_entries;
1109 struct list_head free_res_q;
1110 struct list_head used_res_q;
1111
1112 char ipr_hcam_label[8];
1113#define IPR_HCAM_LABEL "hcams"
1114 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1115 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1116 struct list_head hostrcb_free_q;
1117 struct list_head hostrcb_pending_q;
1118
1119 __be32 *host_rrq;
1120 dma_addr_t host_rrq_dma;
1121#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
1122#define IPR_HRRQ_RESP_BIT_SET 0x00000002
1123#define IPR_HRRQ_TOGGLE_BIT 0x00000001
1124#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
1125 volatile __be32 *hrrq_start;
1126 volatile __be32 *hrrq_end;
1127 volatile __be32 *hrrq_curr;
1128 volatile u32 toggle_bit;
1129
1130 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1131
Brian King5469cb52007-03-29 12:42:40 -05001132 unsigned int transop_timeout;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001133 const struct ipr_chip_cfg_t *chip_cfg;
1134
1135 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1136 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1137 void __iomem *ioa_mailbox;
1138 struct ipr_interrupts regs;
1139
1140 u16 saved_pcix_cmd_reg;
1141 u16 reset_retries;
1142
1143 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -06001144 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145
1146 struct Scsi_Host *host;
1147 struct pci_dev *pdev;
1148 struct ipr_sglist *ucode_sglist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001149 u8 saved_mode_page_len;
1150
1151 struct work_struct work_q;
1152
1153 wait_queue_head_t reset_wait_q;
1154
1155 struct ipr_dump *dump;
1156 enum ipr_sdt_state sdt_state;
1157
1158 struct ipr_misc_cbs *vpd_cbs;
1159 dma_addr_t vpd_cbs_dma;
1160
1161 struct pci_pool *ipr_cmd_pool;
1162
1163 struct ipr_cmnd *reset_cmd;
1164
Brian King35a39692006-09-25 12:39:20 -05001165 struct ata_host ata_host;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001166 char ipr_cmd_label[8];
1167#define IPR_CMD_LABEL "ipr_cmnd"
1168 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1169 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1170};
1171
1172struct ipr_cmnd {
1173 struct ipr_ioarcb ioarcb;
1174 struct ipr_ioasa ioasa;
1175 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1176 struct list_head queue;
1177 struct scsi_cmnd *scsi_cmd;
Brian King35a39692006-09-25 12:39:20 -05001178 struct ata_queued_cmd *qc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179 struct completion completion;
1180 struct timer_list timer;
1181 void (*done) (struct ipr_cmnd *);
1182 int (*job_step) (struct ipr_cmnd *);
brking@us.ibm.comdfed8232005-11-01 17:02:55 -06001183 int (*job_step_failed) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001184 u16 cmd_index;
1185 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1186 dma_addr_t sense_buffer_dma;
1187 unsigned short dma_use_sg;
1188 dma_addr_t dma_handle;
1189 struct ipr_cmnd *sibling;
1190 union {
1191 enum ipr_shutdown_type shutdown_type;
1192 struct ipr_hostrcb *hostrcb;
1193 unsigned long time_left;
1194 unsigned long scratch;
1195 struct ipr_resource_entry *res;
1196 struct scsi_device *sdev;
1197 } u;
1198
1199 struct ipr_ioa_cfg *ioa_cfg;
1200};
1201
1202struct ipr_ses_table_entry {
1203 char product_id[17];
1204 char compare_product_id_byte[17];
1205 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1206};
1207
1208struct ipr_dump_header {
1209 u32 eye_catcher;
1210#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1211 u32 len;
1212 u32 num_entries;
1213 u32 first_entry_offset;
1214 u32 status;
1215#define IPR_DUMP_STATUS_SUCCESS 0
1216#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1217#define IPR_DUMP_STATUS_FAILED 0xffffffff
1218 u32 os;
1219#define IPR_DUMP_OS_LINUX 0x4C4E5558
1220 u32 driver_name;
1221#define IPR_DUMP_DRIVER_NAME 0x49505232
1222}__attribute__((packed, aligned (4)));
1223
1224struct ipr_dump_entry_header {
1225 u32 eye_catcher;
1226#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1227 u32 len;
1228 u32 num_elems;
1229 u32 offset;
1230 u32 data_type;
1231#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1232#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1233 u32 id;
1234#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1235#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1236#define IPR_DUMP_TRACE_ID 0x54524143
1237#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1238#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1239#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1240#define IPR_DUMP_PEND_OPS 0x414F5053
1241 u32 status;
1242}__attribute__((packed, aligned (4)));
1243
1244struct ipr_dump_location_entry {
1245 struct ipr_dump_entry_header hdr;
1246 u8 location[BUS_ID_SIZE];
1247}__attribute__((packed));
1248
1249struct ipr_dump_trace_entry {
1250 struct ipr_dump_entry_header hdr;
1251 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1252}__attribute__((packed, aligned (4)));
1253
1254struct ipr_dump_version_entry {
1255 struct ipr_dump_entry_header hdr;
1256 u8 version[sizeof(IPR_DRIVER_VERSION)];
1257};
1258
1259struct ipr_dump_ioa_type_entry {
1260 struct ipr_dump_entry_header hdr;
1261 u32 type;
1262 u32 fw_version;
1263};
1264
1265struct ipr_driver_dump {
1266 struct ipr_dump_header hdr;
1267 struct ipr_dump_version_entry version_entry;
1268 struct ipr_dump_location_entry location_entry;
1269 struct ipr_dump_ioa_type_entry ioa_type_entry;
1270 struct ipr_dump_trace_entry trace_entry;
1271}__attribute__((packed));
1272
1273struct ipr_ioa_dump {
1274 struct ipr_dump_entry_header hdr;
1275 struct ipr_sdt sdt;
1276 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1277 u32 reserved;
1278 u32 next_page_index;
1279 u32 page_offset;
1280 u32 format;
1281#define IPR_SDT_FMT2 2
1282#define IPR_SDT_UNKNOWN 3
1283}__attribute__((packed, aligned (4)));
1284
1285struct ipr_dump {
1286 struct kref kref;
1287 struct ipr_ioa_cfg *ioa_cfg;
1288 struct ipr_driver_dump driver_dump;
1289 struct ipr_ioa_dump ioa_dump;
1290};
1291
1292struct ipr_error_table_t {
1293 u32 ioasc;
1294 int log_ioasa;
1295 int log_hcam;
1296 char *error;
1297};
1298
1299struct ipr_software_inq_lid_info {
1300 __be32 load_id;
1301 __be32 timestamp[3];
1302}__attribute__((packed, aligned (4)));
1303
1304struct ipr_ucode_image_header {
1305 __be32 header_length;
1306 __be32 lid_table_offset;
1307 u8 major_release;
1308 u8 card_type;
1309 u8 minor_release[2];
1310 u8 reserved[20];
1311 char eyecatcher[16];
1312 __be32 num_lids;
1313 struct ipr_software_inq_lid_info lid[1];
1314}__attribute__((packed, aligned (4)));
1315
1316/*
1317 * Macros
1318 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001319#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320
1321#ifdef CONFIG_SCSI_IPR_TRACE
1322#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1323#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1324#else
1325#define ipr_create_trace_file(kobj, attr) 0
1326#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1327#endif
1328
1329#ifdef CONFIG_SCSI_IPR_DUMP
1330#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1331#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1332#else
1333#define ipr_create_dump_file(kobj, attr) 0
1334#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1335#endif
1336
1337/*
1338 * Error logging macros
1339 */
1340#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1341#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1343
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001344#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1345 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1346 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001347
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001348#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1349 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001350
1351#define ipr_res_err(ioa_cfg, res, fmt, ...) \
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001352 ipr_ra_err(ioa_cfg, (res)->cfgte.res_addr, fmt, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001354#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1355{ \
1356 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1357 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1358 } else { \
1359 ipr_err(fmt": %d:%d:%d:%d\n", \
1360 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1361 (res).bus, (res).target, (res).lun); \
1362 } \
1363}
1364
Brian King49dc6a12006-11-21 10:28:35 -06001365#define ipr_hcam_err(hostrcb, fmt, ...) \
1366{ \
1367 if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \
1368 ipr_ra_err((hostrcb)->ioa_cfg, \
1369 (hostrcb)->hcam.u.error.failing_dev_res_addr, \
1370 fmt, ##__VA_ARGS__); \
1371 } else { \
1372 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \
1373 } \
1374}
1375
Linus Torvalds1da177e2005-04-16 15:20:36 -07001376#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1377 __FILE__, __FUNCTION__, __LINE__)
1378
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001379#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1380#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381
1382#define ipr_err_separator \
1383ipr_err("----------------------------------------------------------\n")
1384
1385
1386/*
1387 * Inlines
1388 */
1389
1390/**
1391 * ipr_is_ioa_resource - Determine if a resource is the IOA
1392 * @res: resource entry struct
1393 *
1394 * Return value:
1395 * 1 if IOA / 0 if not IOA
1396 **/
1397static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1398{
1399 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1400}
1401
1402/**
1403 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1404 * @res: resource entry struct
1405 *
1406 * Return value:
1407 * 1 if AF DASD / 0 if not AF DASD
1408 **/
1409static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1410{
1411 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1412 !ipr_is_ioa_resource(res) &&
1413 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1414 return 1;
1415 else
1416 return 0;
1417}
1418
1419/**
1420 * ipr_is_vset_device - Determine if a resource is a VSET
1421 * @res: resource entry struct
1422 *
1423 * Return value:
1424 * 1 if VSET / 0 if not VSET
1425 **/
1426static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1427{
1428 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1429 !ipr_is_ioa_resource(res) &&
1430 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1431 return 1;
1432 else
1433 return 0;
1434}
1435
1436/**
1437 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1438 * @res: resource entry struct
1439 *
1440 * Return value:
1441 * 1 if GSCSI / 0 if not GSCSI
1442 **/
1443static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1444{
1445 if (!ipr_is_ioa_resource(res) &&
1446 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1447 return 1;
1448 else
1449 return 0;
1450}
1451
1452/**
Brian Kinge4fbf442006-03-29 09:37:22 -06001453 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1454 * @res: resource entry struct
1455 *
1456 * Return value:
1457 * 1 if SCSI disk / 0 if not SCSI disk
1458 **/
1459static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1460{
1461 if (ipr_is_af_dasd_device(res) ||
1462 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data)))
1463 return 1;
1464 else
1465 return 0;
1466}
1467
1468/**
Brian Kingb5145d22006-08-02 14:57:36 -05001469 * ipr_is_gata - Determine if a resource is a generic ATA resource
1470 * @res: resource entry struct
1471 *
1472 * Return value:
1473 * 1 if GATA / 0 if not GATA
1474 **/
1475static inline int ipr_is_gata(struct ipr_resource_entry *res)
1476{
1477 if (!ipr_is_ioa_resource(res) &&
1478 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)
1479 return 1;
1480 else
1481 return 0;
1482}
1483
1484/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001485 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1486 * @res: resource entry struct
1487 *
1488 * Return value:
1489 * 1 if NACA queueing model / 0 if not NACA queueing model
1490 **/
1491static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1492{
1493 if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
1494 return 1;
1495 return 0;
1496}
1497
1498/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001499 * ipr_is_device - Determine if resource address is that of a device
1500 * @res_addr: resource address struct
1501 *
1502 * Return value:
1503 * 1 if AF / 0 if not AF
1504 **/
1505static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1506{
1507 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -06001508 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001509 return 1;
1510
1511 return 0;
1512}
1513
1514/**
1515 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1516 * @sdt_word: SDT address
1517 *
1518 * Return value:
1519 * 1 if format 2 / 0 if not
1520 **/
1521static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1522{
1523 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1524
1525 switch (bar_sel) {
1526 case IPR_SDT_FMT2_BAR0_SEL:
1527 case IPR_SDT_FMT2_BAR1_SEL:
1528 case IPR_SDT_FMT2_BAR2_SEL:
1529 case IPR_SDT_FMT2_BAR3_SEL:
1530 case IPR_SDT_FMT2_BAR4_SEL:
1531 case IPR_SDT_FMT2_BAR5_SEL:
1532 case IPR_SDT_FMT2_EXP_ROM_SEL:
1533 return 1;
1534 };
1535
1536 return 0;
1537}
1538
1539#endif