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Merge tag 'regulator-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[deliverable/linux.git] / drivers / scsi / ipr.h
1 /*
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@lxorguk.ukuu.org.uk> - 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 <asm/unaligned.h>
30 #include <linux/types.h>
31 #include <linux/completion.h>
32 #include <linux/libata.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/blk-iopoll.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38
39 /*
40 * Literals
41 */
42 #define IPR_DRIVER_VERSION "2.6.0"
43 #define IPR_DRIVER_DATE "(November 16, 2012)"
44
45 /*
46 * 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
51 #define IPR_MAX_CMD_PER_ATA_LUN 1
52
53 /*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
57 #define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
58
59 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
60
61 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
62 #define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
63
64 #define IPR_SUBS_DEV_ID_2780 0x0264
65 #define IPR_SUBS_DEV_ID_5702 0x0266
66 #define IPR_SUBS_DEV_ID_5703 0x0278
67 #define IPR_SUBS_DEV_ID_572E 0x028D
68 #define IPR_SUBS_DEV_ID_573E 0x02D3
69 #define IPR_SUBS_DEV_ID_573D 0x02D4
70 #define IPR_SUBS_DEV_ID_571A 0x02C0
71 #define IPR_SUBS_DEV_ID_571B 0x02BE
72 #define IPR_SUBS_DEV_ID_571E 0x02BF
73 #define IPR_SUBS_DEV_ID_571F 0x02D5
74 #define IPR_SUBS_DEV_ID_572A 0x02C1
75 #define IPR_SUBS_DEV_ID_572B 0x02C2
76 #define IPR_SUBS_DEV_ID_572F 0x02C3
77 #define IPR_SUBS_DEV_ID_574E 0x030A
78 #define IPR_SUBS_DEV_ID_575B 0x030D
79 #define IPR_SUBS_DEV_ID_575C 0x0338
80 #define IPR_SUBS_DEV_ID_57B3 0x033A
81 #define IPR_SUBS_DEV_ID_57B7 0x0360
82 #define IPR_SUBS_DEV_ID_57B8 0x02C2
83
84 #define IPR_SUBS_DEV_ID_57B4 0x033B
85 #define IPR_SUBS_DEV_ID_57B2 0x035F
86 #define IPR_SUBS_DEV_ID_57C0 0x0352
87 #define IPR_SUBS_DEV_ID_57C3 0x0353
88 #define IPR_SUBS_DEV_ID_57C4 0x0354
89 #define IPR_SUBS_DEV_ID_57C6 0x0357
90 #define IPR_SUBS_DEV_ID_57CC 0x035C
91
92 #define IPR_SUBS_DEV_ID_57B5 0x033C
93 #define IPR_SUBS_DEV_ID_57CE 0x035E
94 #define IPR_SUBS_DEV_ID_57B1 0x0355
95
96 #define IPR_SUBS_DEV_ID_574D 0x0356
97 #define IPR_SUBS_DEV_ID_57C8 0x035D
98
99 #define IPR_SUBS_DEV_ID_57D5 0x03FB
100 #define IPR_SUBS_DEV_ID_57D6 0x03FC
101 #define IPR_SUBS_DEV_ID_57D7 0x03FF
102 #define IPR_SUBS_DEV_ID_57D8 0x03FE
103 #define IPR_SUBS_DEV_ID_57D9 0x046D
104 #define IPR_SUBS_DEV_ID_57EB 0x0474
105 #define IPR_SUBS_DEV_ID_57EC 0x0475
106 #define IPR_SUBS_DEV_ID_57ED 0x0499
107 #define IPR_SUBS_DEV_ID_57EE 0x049A
108 #define IPR_SUBS_DEV_ID_57EF 0x049B
109 #define IPR_SUBS_DEV_ID_57F0 0x049C
110 #define IPR_NAME "ipr"
111
112 /*
113 * Return codes
114 */
115 #define IPR_RC_JOB_CONTINUE 1
116 #define IPR_RC_JOB_RETURN 2
117
118 /*
119 * IOASCs
120 */
121 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
122 #define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
123 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
124 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
125 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
126 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
127 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
128 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
129 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
130 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
131 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
132 #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
133 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
134 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
135 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
136
137 #define IPR_FIRST_DRIVER_IOASC 0x10000000
138 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
139 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
140
141 /* Driver data flags */
142 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
143 #define IPR_USE_PCI_WARM_RESET 0x00000002
144
145 #define IPR_DEFAULT_MAX_ERROR_DUMP 984
146 #define IPR_NUM_LOG_HCAMS 2
147 #define IPR_NUM_CFG_CHG_HCAMS 2
148 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
149
150 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
151 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
152
153 #define IPR_MAX_NUM_TARGETS_PER_BUS 256
154 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
155 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
156 #define IPR_VSET_BUS 0xff
157 #define IPR_IOA_BUS 0xff
158 #define IPR_IOA_TARGET 0xff
159 #define IPR_IOA_LUN 0xff
160 #define IPR_MAX_NUM_BUSES 16
161 #define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
162
163 #define IPR_NUM_RESET_RELOAD_RETRIES 3
164
165 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
166 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
167 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
168
169 #define IPR_MAX_COMMANDS 100
170 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
171 IPR_NUM_INTERNAL_CMD_BLKS)
172
173 #define IPR_MAX_PHYSICAL_DEVS 192
174 #define IPR_DEFAULT_SIS64_DEVS 1024
175 #define IPR_MAX_SIS64_DEVS 4096
176
177 #define IPR_MAX_SGLIST 64
178 #define IPR_IOA_MAX_SECTORS 32767
179 #define IPR_VSET_MAX_SECTORS 512
180 #define IPR_MAX_CDB_LEN 16
181 #define IPR_MAX_HRRQ_RETRIES 3
182
183 #define IPR_DEFAULT_BUS_WIDTH 16
184 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
185 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
186 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
187 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
188
189 #define IPR_IOA_RES_HANDLE 0xffffffff
190 #define IPR_INVALID_RES_HANDLE 0
191 #define IPR_IOA_RES_ADDR 0x00ffffff
192
193 /*
194 * Adapter Commands
195 */
196 #define IPR_QUERY_RSRC_STATE 0xC2
197 #define IPR_RESET_DEVICE 0xC3
198 #define IPR_RESET_TYPE_SELECT 0x80
199 #define IPR_LUN_RESET 0x40
200 #define IPR_TARGET_RESET 0x20
201 #define IPR_BUS_RESET 0x10
202 #define IPR_ATA_PHY_RESET 0x80
203 #define IPR_ID_HOST_RR_Q 0xC4
204 #define IPR_QUERY_IOA_CONFIG 0xC5
205 #define IPR_CANCEL_ALL_REQUESTS 0xCE
206 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
207 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
208 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
209 #define IPR_SET_SUPPORTED_DEVICES 0xFB
210 #define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
211 #define IPR_IOA_SHUTDOWN 0xF7
212 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
213
214 /*
215 * Timeouts
216 */
217 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
218 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
219 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
220 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
221 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
222 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
223 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
224 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
225 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
226 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
227 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
228 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
229 #define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
230 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
231 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
232 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
233 #define IPR_PCI_RESET_TIMEOUT (HZ / 2)
234 #define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
235 #define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
236 #define IPR_DUMP_DELAY_SECONDS 4
237 #define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
238
239 /*
240 * SCSI Literals
241 */
242 #define IPR_VENDOR_ID_LEN 8
243 #define IPR_PROD_ID_LEN 16
244 #define IPR_SERIAL_NUM_LEN 8
245
246 /*
247 * Hardware literals
248 */
249 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
250 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
251 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
252 #define IPR_GET_FMT2_BAR_SEL(mbx) \
253 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
254 #define IPR_SDT_FMT2_BAR0_SEL 0x0
255 #define IPR_SDT_FMT2_BAR1_SEL 0x1
256 #define IPR_SDT_FMT2_BAR2_SEL 0x2
257 #define IPR_SDT_FMT2_BAR3_SEL 0x3
258 #define IPR_SDT_FMT2_BAR4_SEL 0x4
259 #define IPR_SDT_FMT2_BAR5_SEL 0x5
260 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
261 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
262 #define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
263 #define IPR_DOORBELL 0x82800000
264 #define IPR_RUNTIME_RESET 0x40000000
265
266 #define IPR_IPL_INIT_MIN_STAGE_TIME 5
267 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15
268 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
269 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
270 #define IPR_IPL_INIT_STAGE_MASK 0xff000000
271 #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
272 #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
273
274 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
275 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
276 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
277 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
278 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
279 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
280 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
281 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
282 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
283 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
284 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
285
286 #define IPR_PCII_ERROR_INTERRUPTS \
287 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
288 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
289
290 #define IPR_PCII_OPER_INTERRUPTS \
291 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
292
293 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
294 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
295 #define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
296
297 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
298 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
299
300 /*
301 * Dump literals
302 */
303 #define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
304 #define IPR_FMT3_MAX_IOA_DUMP_SIZE (32 * 1024 * 1024)
305 #define IPR_FMT2_NUM_SDT_ENTRIES 511
306 #define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
307 #define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
308 #define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
309
310 /*
311 * Misc literals
312 */
313 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
314 #define IPR_MAX_MSIX_VECTORS 0x5
315 #define IPR_MAX_HRRQ_NUM 0x10
316 #define IPR_INIT_HRRQ 0x0
317
318 /*
319 * Adapter interface types
320 */
321
322 struct ipr_res_addr {
323 u8 reserved;
324 u8 bus;
325 u8 target;
326 u8 lun;
327 #define IPR_GET_PHYS_LOC(res_addr) \
328 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
329 }__attribute__((packed, aligned (4)));
330
331 struct ipr_std_inq_vpids {
332 u8 vendor_id[IPR_VENDOR_ID_LEN];
333 u8 product_id[IPR_PROD_ID_LEN];
334 }__attribute__((packed));
335
336 struct ipr_vpd {
337 struct ipr_std_inq_vpids vpids;
338 u8 sn[IPR_SERIAL_NUM_LEN];
339 }__attribute__((packed));
340
341 struct ipr_ext_vpd {
342 struct ipr_vpd vpd;
343 __be32 wwid[2];
344 }__attribute__((packed));
345
346 struct ipr_ext_vpd64 {
347 struct ipr_vpd vpd;
348 __be32 wwid[4];
349 }__attribute__((packed));
350
351 struct ipr_std_inq_data {
352 u8 peri_qual_dev_type;
353 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
354 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
355
356 u8 removeable_medium_rsvd;
357 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
358
359 #define IPR_IS_DASD_DEVICE(std_inq) \
360 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
361 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
362
363 #define IPR_IS_SES_DEVICE(std_inq) \
364 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
365
366 u8 version;
367 u8 aen_naca_fmt;
368 u8 additional_len;
369 u8 sccs_rsvd;
370 u8 bq_enc_multi;
371 u8 sync_cmdq_flags;
372
373 struct ipr_std_inq_vpids vpids;
374
375 u8 ros_rsvd_ram_rsvd[4];
376
377 u8 serial_num[IPR_SERIAL_NUM_LEN];
378 }__attribute__ ((packed));
379
380 #define IPR_RES_TYPE_AF_DASD 0x00
381 #define IPR_RES_TYPE_GENERIC_SCSI 0x01
382 #define IPR_RES_TYPE_VOLUME_SET 0x02
383 #define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
384 #define IPR_RES_TYPE_GENERIC_ATA 0x04
385 #define IPR_RES_TYPE_ARRAY 0x05
386 #define IPR_RES_TYPE_IOAFP 0xff
387
388 struct ipr_config_table_entry {
389 u8 proto;
390 #define IPR_PROTO_SATA 0x02
391 #define IPR_PROTO_SATA_ATAPI 0x03
392 #define IPR_PROTO_SAS_STP 0x06
393 #define IPR_PROTO_SAS_STP_ATAPI 0x07
394 u8 array_id;
395 u8 flags;
396 #define IPR_IS_IOA_RESOURCE 0x80
397 u8 rsvd_subtype;
398
399 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
400 #define IPR_QUEUE_FROZEN_MODEL 0
401 #define IPR_QUEUE_NACA_MODEL 1
402
403 struct ipr_res_addr res_addr;
404 __be32 res_handle;
405 __be32 lun_wwn[2];
406 struct ipr_std_inq_data std_inq_data;
407 }__attribute__ ((packed, aligned (4)));
408
409 struct ipr_config_table_entry64 {
410 u8 res_type;
411 u8 proto;
412 u8 vset_num;
413 u8 array_id;
414 __be16 flags;
415 __be16 res_flags;
416 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
417 __be32 res_handle;
418 u8 dev_id_type;
419 u8 reserved[3];
420 __be64 dev_id;
421 __be64 lun;
422 __be64 lun_wwn[2];
423 #define IPR_MAX_RES_PATH_LENGTH 48
424 __be64 res_path;
425 struct ipr_std_inq_data std_inq_data;
426 u8 reserved2[4];
427 __be64 reserved3[2];
428 u8 reserved4[8];
429 }__attribute__ ((packed, aligned (8)));
430
431 struct ipr_config_table_hdr {
432 u8 num_entries;
433 u8 flags;
434 #define IPR_UCODE_DOWNLOAD_REQ 0x10
435 __be16 reserved;
436 }__attribute__((packed, aligned (4)));
437
438 struct ipr_config_table_hdr64 {
439 __be16 num_entries;
440 __be16 reserved;
441 u8 flags;
442 u8 reserved2[11];
443 }__attribute__((packed, aligned (4)));
444
445 struct ipr_config_table {
446 struct ipr_config_table_hdr hdr;
447 struct ipr_config_table_entry dev[0];
448 }__attribute__((packed, aligned (4)));
449
450 struct ipr_config_table64 {
451 struct ipr_config_table_hdr64 hdr64;
452 struct ipr_config_table_entry64 dev[0];
453 }__attribute__((packed, aligned (8)));
454
455 struct ipr_config_table_entry_wrapper {
456 union {
457 struct ipr_config_table_entry *cfgte;
458 struct ipr_config_table_entry64 *cfgte64;
459 } u;
460 };
461
462 struct ipr_hostrcb_cfg_ch_not {
463 union {
464 struct ipr_config_table_entry cfgte;
465 struct ipr_config_table_entry64 cfgte64;
466 } u;
467 u8 reserved[936];
468 }__attribute__((packed, aligned (4)));
469
470 struct ipr_supported_device {
471 __be16 data_length;
472 u8 reserved;
473 u8 num_records;
474 struct ipr_std_inq_vpids vpids;
475 u8 reserved2[16];
476 }__attribute__((packed, aligned (4)));
477
478 struct ipr_hrr_queue {
479 struct ipr_ioa_cfg *ioa_cfg;
480 __be32 *host_rrq;
481 dma_addr_t host_rrq_dma;
482 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
483 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
484 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
485 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
486 #define IPR_ID_HRRQ_SELE_ENABLE 0x02
487 volatile __be32 *hrrq_start;
488 volatile __be32 *hrrq_end;
489 volatile __be32 *hrrq_curr;
490
491 struct list_head hrrq_free_q;
492 struct list_head hrrq_pending_q;
493 spinlock_t _lock;
494 spinlock_t *lock;
495
496 volatile u32 toggle_bit;
497 u32 size;
498 u32 min_cmd_id;
499 u32 max_cmd_id;
500 u8 allow_interrupts:1;
501 u8 ioa_is_dead:1;
502 u8 allow_cmds:1;
503 u8 removing_ioa:1;
504
505 struct blk_iopoll iopoll;
506 };
507
508 /* Command packet structure */
509 struct ipr_cmd_pkt {
510 u8 reserved; /* Reserved by IOA */
511 u8 hrrq_id;
512 u8 request_type;
513 #define IPR_RQTYPE_SCSICDB 0x00
514 #define IPR_RQTYPE_IOACMD 0x01
515 #define IPR_RQTYPE_HCAM 0x02
516 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
517
518 u8 reserved2;
519
520 u8 flags_hi;
521 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
522 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
523 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
524 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
525 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
526
527 u8 flags_lo;
528 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
529 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
530 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
531 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
532 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
533 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
534 #define IPR_FLAGS_LO_ACA_TASK 0x08
535
536 u8 cdb[16];
537 __be16 timeout;
538 }__attribute__ ((packed, aligned(4)));
539
540 struct ipr_ioarcb_ata_regs { /* 22 bytes */
541 u8 flags;
542 #define IPR_ATA_FLAG_PACKET_CMD 0x80
543 #define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
544 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
545 u8 reserved[3];
546
547 __be16 data;
548 u8 feature;
549 u8 nsect;
550 u8 lbal;
551 u8 lbam;
552 u8 lbah;
553 u8 device;
554 u8 command;
555 u8 reserved2[3];
556 u8 hob_feature;
557 u8 hob_nsect;
558 u8 hob_lbal;
559 u8 hob_lbam;
560 u8 hob_lbah;
561 u8 ctl;
562 }__attribute__ ((packed, aligned(2)));
563
564 struct ipr_ioadl_desc {
565 __be32 flags_and_data_len;
566 #define IPR_IOADL_FLAGS_MASK 0xff000000
567 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
568 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
569 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
570 #define IPR_IOADL_FLAGS_READ 0x48000000
571 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
572 #define IPR_IOADL_FLAGS_WRITE 0x68000000
573 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
574 #define IPR_IOADL_FLAGS_LAST 0x01000000
575
576 __be32 address;
577 }__attribute__((packed, aligned (8)));
578
579 struct ipr_ioadl64_desc {
580 __be32 flags;
581 __be32 data_len;
582 __be64 address;
583 }__attribute__((packed, aligned (16)));
584
585 struct ipr_ata64_ioadl {
586 struct ipr_ioarcb_ata_regs regs;
587 u16 reserved[5];
588 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
589 }__attribute__((packed, aligned (16)));
590
591 struct ipr_ioarcb_add_data {
592 union {
593 struct ipr_ioarcb_ata_regs regs;
594 struct ipr_ioadl_desc ioadl[5];
595 __be32 add_cmd_parms[10];
596 } u;
597 }__attribute__ ((packed, aligned (4)));
598
599 struct ipr_ioarcb_sis64_add_addr_ecb {
600 __be64 ioasa_host_pci_addr;
601 __be64 data_ioadl_addr;
602 __be64 reserved;
603 __be32 ext_control_buf[4];
604 }__attribute__((packed, aligned (8)));
605
606 /* IOA Request Control Block 128 bytes */
607 struct ipr_ioarcb {
608 union {
609 __be32 ioarcb_host_pci_addr;
610 __be64 ioarcb_host_pci_addr64;
611 } a;
612 __be32 res_handle;
613 __be32 host_response_handle;
614 __be32 reserved1;
615 __be32 reserved2;
616 __be32 reserved3;
617
618 __be32 data_transfer_length;
619 __be32 read_data_transfer_length;
620 __be32 write_ioadl_addr;
621 __be32 ioadl_len;
622 __be32 read_ioadl_addr;
623 __be32 read_ioadl_len;
624
625 __be32 ioasa_host_pci_addr;
626 __be16 ioasa_len;
627 __be16 reserved4;
628
629 struct ipr_cmd_pkt cmd_pkt;
630
631 __be16 add_cmd_parms_offset;
632 __be16 add_cmd_parms_len;
633
634 union {
635 struct ipr_ioarcb_add_data add_data;
636 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
637 } u;
638
639 }__attribute__((packed, aligned (4)));
640
641 struct ipr_ioasa_vset {
642 __be32 failing_lba_hi;
643 __be32 failing_lba_lo;
644 __be32 reserved;
645 }__attribute__((packed, aligned (4)));
646
647 struct ipr_ioasa_af_dasd {
648 __be32 failing_lba;
649 __be32 reserved[2];
650 }__attribute__((packed, aligned (4)));
651
652 struct ipr_ioasa_gpdd {
653 u8 end_state;
654 u8 bus_phase;
655 __be16 reserved;
656 __be32 ioa_data[2];
657 }__attribute__((packed, aligned (4)));
658
659 struct ipr_ioasa_gata {
660 u8 error;
661 u8 nsect; /* Interrupt reason */
662 u8 lbal;
663 u8 lbam;
664 u8 lbah;
665 u8 device;
666 u8 status;
667 u8 alt_status; /* ATA CTL */
668 u8 hob_nsect;
669 u8 hob_lbal;
670 u8 hob_lbam;
671 u8 hob_lbah;
672 }__attribute__((packed, aligned (4)));
673
674 struct ipr_auto_sense {
675 __be16 auto_sense_len;
676 __be16 ioa_data_len;
677 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
678 };
679
680 struct ipr_ioasa_hdr {
681 __be32 ioasc;
682 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
683 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
684 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
685 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
686
687 __be16 ret_stat_len; /* Length of the returned IOASA */
688
689 __be16 avail_stat_len; /* Total Length of status available. */
690
691 __be32 residual_data_len; /* number of bytes in the host data */
692 /* buffers that were not used by the IOARCB command. */
693
694 __be32 ilid;
695 #define IPR_NO_ILID 0
696 #define IPR_DRIVER_ILID 0xffffffff
697
698 __be32 fd_ioasc;
699
700 __be32 fd_phys_locator;
701
702 __be32 fd_res_handle;
703
704 __be32 ioasc_specific; /* status code specific field */
705 #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
706 #define IPR_AUTOSENSE_VALID 0x40000000
707 #define IPR_ATA_DEVICE_WAS_RESET 0x20000000
708 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
709 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
710 #define IPR_FIELD_POINTER_MASK 0x0000ffff
711
712 }__attribute__((packed, aligned (4)));
713
714 struct ipr_ioasa {
715 struct ipr_ioasa_hdr hdr;
716
717 union {
718 struct ipr_ioasa_vset vset;
719 struct ipr_ioasa_af_dasd dasd;
720 struct ipr_ioasa_gpdd gpdd;
721 struct ipr_ioasa_gata gata;
722 } u;
723
724 struct ipr_auto_sense auto_sense;
725 }__attribute__((packed, aligned (4)));
726
727 struct ipr_ioasa64 {
728 struct ipr_ioasa_hdr hdr;
729 u8 fd_res_path[8];
730
731 union {
732 struct ipr_ioasa_vset vset;
733 struct ipr_ioasa_af_dasd dasd;
734 struct ipr_ioasa_gpdd gpdd;
735 struct ipr_ioasa_gata gata;
736 } u;
737
738 struct ipr_auto_sense auto_sense;
739 }__attribute__((packed, aligned (4)));
740
741 struct ipr_mode_parm_hdr {
742 u8 length;
743 u8 medium_type;
744 u8 device_spec_parms;
745 u8 block_desc_len;
746 }__attribute__((packed));
747
748 struct ipr_mode_pages {
749 struct ipr_mode_parm_hdr hdr;
750 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
751 }__attribute__((packed));
752
753 struct ipr_mode_page_hdr {
754 u8 ps_page_code;
755 #define IPR_MODE_PAGE_PS 0x80
756 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
757 u8 page_length;
758 }__attribute__ ((packed));
759
760 struct ipr_dev_bus_entry {
761 struct ipr_res_addr res_addr;
762 u8 flags;
763 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
764 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
765 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
766 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
767 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
768 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
769 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
770
771 u8 scsi_id;
772 u8 bus_width;
773 u8 extended_reset_delay;
774 #define IPR_EXTENDED_RESET_DELAY 7
775
776 __be32 max_xfer_rate;
777
778 u8 spinup_delay;
779 u8 reserved3;
780 __be16 reserved4;
781 }__attribute__((packed, aligned (4)));
782
783 struct ipr_mode_page28 {
784 struct ipr_mode_page_hdr hdr;
785 u8 num_entries;
786 u8 entry_length;
787 struct ipr_dev_bus_entry bus[0];
788 }__attribute__((packed));
789
790 struct ipr_mode_page24 {
791 struct ipr_mode_page_hdr hdr;
792 u8 flags;
793 #define IPR_ENABLE_DUAL_IOA_AF 0x80
794 }__attribute__((packed));
795
796 struct ipr_ioa_vpd {
797 struct ipr_std_inq_data std_inq_data;
798 u8 ascii_part_num[12];
799 u8 reserved[40];
800 u8 ascii_plant_code[4];
801 }__attribute__((packed));
802
803 struct ipr_inquiry_page3 {
804 u8 peri_qual_dev_type;
805 u8 page_code;
806 u8 reserved1;
807 u8 page_length;
808 u8 ascii_len;
809 u8 reserved2[3];
810 u8 load_id[4];
811 u8 major_release;
812 u8 card_type;
813 u8 minor_release[2];
814 u8 ptf_number[4];
815 u8 patch_number[4];
816 }__attribute__((packed));
817
818 struct ipr_inquiry_cap {
819 u8 peri_qual_dev_type;
820 u8 page_code;
821 u8 reserved1;
822 u8 page_length;
823 u8 ascii_len;
824 u8 reserved2;
825 u8 sis_version[2];
826 u8 cap;
827 #define IPR_CAP_DUAL_IOA_RAID 0x80
828 u8 reserved3[15];
829 }__attribute__((packed));
830
831 #define IPR_INQUIRY_PAGE0_ENTRIES 20
832 struct ipr_inquiry_page0 {
833 u8 peri_qual_dev_type;
834 u8 page_code;
835 u8 reserved1;
836 u8 len;
837 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
838 }__attribute__((packed));
839
840 struct ipr_hostrcb_device_data_entry {
841 struct ipr_vpd vpd;
842 struct ipr_res_addr dev_res_addr;
843 struct ipr_vpd new_vpd;
844 struct ipr_vpd ioa_last_with_dev_vpd;
845 struct ipr_vpd cfc_last_with_dev_vpd;
846 __be32 ioa_data[5];
847 }__attribute__((packed, aligned (4)));
848
849 struct ipr_hostrcb_device_data_entry_enhanced {
850 struct ipr_ext_vpd vpd;
851 u8 ccin[4];
852 struct ipr_res_addr dev_res_addr;
853 struct ipr_ext_vpd new_vpd;
854 u8 new_ccin[4];
855 struct ipr_ext_vpd ioa_last_with_dev_vpd;
856 struct ipr_ext_vpd cfc_last_with_dev_vpd;
857 }__attribute__((packed, aligned (4)));
858
859 struct ipr_hostrcb64_device_data_entry_enhanced {
860 struct ipr_ext_vpd vpd;
861 u8 ccin[4];
862 u8 res_path[8];
863 struct ipr_ext_vpd new_vpd;
864 u8 new_ccin[4];
865 struct ipr_ext_vpd ioa_last_with_dev_vpd;
866 struct ipr_ext_vpd cfc_last_with_dev_vpd;
867 }__attribute__((packed, aligned (4)));
868
869 struct ipr_hostrcb_array_data_entry {
870 struct ipr_vpd vpd;
871 struct ipr_res_addr expected_dev_res_addr;
872 struct ipr_res_addr dev_res_addr;
873 }__attribute__((packed, aligned (4)));
874
875 struct ipr_hostrcb64_array_data_entry {
876 struct ipr_ext_vpd vpd;
877 u8 ccin[4];
878 u8 expected_res_path[8];
879 u8 res_path[8];
880 }__attribute__((packed, aligned (4)));
881
882 struct ipr_hostrcb_array_data_entry_enhanced {
883 struct ipr_ext_vpd vpd;
884 u8 ccin[4];
885 struct ipr_res_addr expected_dev_res_addr;
886 struct ipr_res_addr dev_res_addr;
887 }__attribute__((packed, aligned (4)));
888
889 struct ipr_hostrcb_type_ff_error {
890 __be32 ioa_data[758];
891 }__attribute__((packed, aligned (4)));
892
893 struct ipr_hostrcb_type_01_error {
894 __be32 seek_counter;
895 __be32 read_counter;
896 u8 sense_data[32];
897 __be32 ioa_data[236];
898 }__attribute__((packed, aligned (4)));
899
900 struct ipr_hostrcb_type_02_error {
901 struct ipr_vpd ioa_vpd;
902 struct ipr_vpd cfc_vpd;
903 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
904 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
905 __be32 ioa_data[3];
906 }__attribute__((packed, aligned (4)));
907
908 struct ipr_hostrcb_type_12_error {
909 struct ipr_ext_vpd ioa_vpd;
910 struct ipr_ext_vpd cfc_vpd;
911 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
912 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
913 __be32 ioa_data[3];
914 }__attribute__((packed, aligned (4)));
915
916 struct ipr_hostrcb_type_03_error {
917 struct ipr_vpd ioa_vpd;
918 struct ipr_vpd cfc_vpd;
919 __be32 errors_detected;
920 __be32 errors_logged;
921 u8 ioa_data[12];
922 struct ipr_hostrcb_device_data_entry dev[3];
923 }__attribute__((packed, aligned (4)));
924
925 struct ipr_hostrcb_type_13_error {
926 struct ipr_ext_vpd ioa_vpd;
927 struct ipr_ext_vpd cfc_vpd;
928 __be32 errors_detected;
929 __be32 errors_logged;
930 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
931 }__attribute__((packed, aligned (4)));
932
933 struct ipr_hostrcb_type_23_error {
934 struct ipr_ext_vpd ioa_vpd;
935 struct ipr_ext_vpd cfc_vpd;
936 __be32 errors_detected;
937 __be32 errors_logged;
938 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
939 }__attribute__((packed, aligned (4)));
940
941 struct ipr_hostrcb_type_04_error {
942 struct ipr_vpd ioa_vpd;
943 struct ipr_vpd cfc_vpd;
944 u8 ioa_data[12];
945 struct ipr_hostrcb_array_data_entry array_member[10];
946 __be32 exposed_mode_adn;
947 __be32 array_id;
948 struct ipr_vpd incomp_dev_vpd;
949 __be32 ioa_data2;
950 struct ipr_hostrcb_array_data_entry array_member2[8];
951 struct ipr_res_addr last_func_vset_res_addr;
952 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
953 u8 protection_level[8];
954 }__attribute__((packed, aligned (4)));
955
956 struct ipr_hostrcb_type_14_error {
957 struct ipr_ext_vpd ioa_vpd;
958 struct ipr_ext_vpd cfc_vpd;
959 __be32 exposed_mode_adn;
960 __be32 array_id;
961 struct ipr_res_addr last_func_vset_res_addr;
962 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
963 u8 protection_level[8];
964 __be32 num_entries;
965 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
966 }__attribute__((packed, aligned (4)));
967
968 struct ipr_hostrcb_type_24_error {
969 struct ipr_ext_vpd ioa_vpd;
970 struct ipr_ext_vpd cfc_vpd;
971 u8 reserved[2];
972 u8 exposed_mode_adn;
973 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
974 u8 array_id;
975 u8 last_res_path[8];
976 u8 protection_level[8];
977 struct ipr_ext_vpd64 array_vpd;
978 u8 description[16];
979 u8 reserved2[3];
980 u8 num_entries;
981 struct ipr_hostrcb64_array_data_entry array_member[32];
982 }__attribute__((packed, aligned (4)));
983
984 struct ipr_hostrcb_type_07_error {
985 u8 failure_reason[64];
986 struct ipr_vpd vpd;
987 u32 data[222];
988 }__attribute__((packed, aligned (4)));
989
990 struct ipr_hostrcb_type_17_error {
991 u8 failure_reason[64];
992 struct ipr_ext_vpd vpd;
993 u32 data[476];
994 }__attribute__((packed, aligned (4)));
995
996 struct ipr_hostrcb_config_element {
997 u8 type_status;
998 #define IPR_PATH_CFG_TYPE_MASK 0xF0
999 #define IPR_PATH_CFG_NOT_EXIST 0x00
1000 #define IPR_PATH_CFG_IOA_PORT 0x10
1001 #define IPR_PATH_CFG_EXP_PORT 0x20
1002 #define IPR_PATH_CFG_DEVICE_PORT 0x30
1003 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1004
1005 #define IPR_PATH_CFG_STATUS_MASK 0x0F
1006 #define IPR_PATH_CFG_NO_PROB 0x00
1007 #define IPR_PATH_CFG_DEGRADED 0x01
1008 #define IPR_PATH_CFG_FAILED 0x02
1009 #define IPR_PATH_CFG_SUSPECT 0x03
1010 #define IPR_PATH_NOT_DETECTED 0x04
1011 #define IPR_PATH_INCORRECT_CONN 0x05
1012
1013 u8 cascaded_expander;
1014 u8 phy;
1015 u8 link_rate;
1016 #define IPR_PHY_LINK_RATE_MASK 0x0F
1017
1018 __be32 wwid[2];
1019 }__attribute__((packed, aligned (4)));
1020
1021 struct ipr_hostrcb64_config_element {
1022 __be16 length;
1023 u8 descriptor_id;
1024 #define IPR_DESCRIPTOR_MASK 0xC0
1025 #define IPR_DESCRIPTOR_SIS64 0x00
1026
1027 u8 reserved;
1028 u8 type_status;
1029
1030 u8 reserved2[2];
1031 u8 link_rate;
1032
1033 u8 res_path[8];
1034 __be32 wwid[2];
1035 }__attribute__((packed, aligned (8)));
1036
1037 struct ipr_hostrcb_fabric_desc {
1038 __be16 length;
1039 u8 ioa_port;
1040 u8 cascaded_expander;
1041 u8 phy;
1042 u8 path_state;
1043 #define IPR_PATH_ACTIVE_MASK 0xC0
1044 #define IPR_PATH_NO_INFO 0x00
1045 #define IPR_PATH_ACTIVE 0x40
1046 #define IPR_PATH_NOT_ACTIVE 0x80
1047
1048 #define IPR_PATH_STATE_MASK 0x0F
1049 #define IPR_PATH_STATE_NO_INFO 0x00
1050 #define IPR_PATH_HEALTHY 0x01
1051 #define IPR_PATH_DEGRADED 0x02
1052 #define IPR_PATH_FAILED 0x03
1053
1054 __be16 num_entries;
1055 struct ipr_hostrcb_config_element elem[1];
1056 }__attribute__((packed, aligned (4)));
1057
1058 struct ipr_hostrcb64_fabric_desc {
1059 __be16 length;
1060 u8 descriptor_id;
1061
1062 u8 reserved[2];
1063 u8 path_state;
1064
1065 u8 reserved2[2];
1066 u8 res_path[8];
1067 u8 reserved3[6];
1068 __be16 num_entries;
1069 struct ipr_hostrcb64_config_element elem[1];
1070 }__attribute__((packed, aligned (8)));
1071
1072 #define for_each_hrrq(hrrq, ioa_cfg) \
1073 for (hrrq = (ioa_cfg)->hrrq; \
1074 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1075
1076 #define for_each_fabric_cfg(fabric, cfg) \
1077 for (cfg = (fabric)->elem; \
1078 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1079 cfg++)
1080
1081 struct ipr_hostrcb_type_20_error {
1082 u8 failure_reason[64];
1083 u8 reserved[3];
1084 u8 num_entries;
1085 struct ipr_hostrcb_fabric_desc desc[1];
1086 }__attribute__((packed, aligned (4)));
1087
1088 struct ipr_hostrcb_type_30_error {
1089 u8 failure_reason[64];
1090 u8 reserved[3];
1091 u8 num_entries;
1092 struct ipr_hostrcb64_fabric_desc desc[1];
1093 }__attribute__((packed, aligned (4)));
1094
1095 struct ipr_hostrcb_error {
1096 __be32 fd_ioasc;
1097 struct ipr_res_addr fd_res_addr;
1098 __be32 fd_res_handle;
1099 __be32 prc;
1100 union {
1101 struct ipr_hostrcb_type_ff_error type_ff_error;
1102 struct ipr_hostrcb_type_01_error type_01_error;
1103 struct ipr_hostrcb_type_02_error type_02_error;
1104 struct ipr_hostrcb_type_03_error type_03_error;
1105 struct ipr_hostrcb_type_04_error type_04_error;
1106 struct ipr_hostrcb_type_07_error type_07_error;
1107 struct ipr_hostrcb_type_12_error type_12_error;
1108 struct ipr_hostrcb_type_13_error type_13_error;
1109 struct ipr_hostrcb_type_14_error type_14_error;
1110 struct ipr_hostrcb_type_17_error type_17_error;
1111 struct ipr_hostrcb_type_20_error type_20_error;
1112 } u;
1113 }__attribute__((packed, aligned (4)));
1114
1115 struct ipr_hostrcb64_error {
1116 __be32 fd_ioasc;
1117 __be32 ioa_fw_level;
1118 __be32 fd_res_handle;
1119 __be32 prc;
1120 __be64 fd_dev_id;
1121 __be64 fd_lun;
1122 u8 fd_res_path[8];
1123 __be64 time_stamp;
1124 u8 reserved[16];
1125 union {
1126 struct ipr_hostrcb_type_ff_error type_ff_error;
1127 struct ipr_hostrcb_type_12_error type_12_error;
1128 struct ipr_hostrcb_type_17_error type_17_error;
1129 struct ipr_hostrcb_type_23_error type_23_error;
1130 struct ipr_hostrcb_type_24_error type_24_error;
1131 struct ipr_hostrcb_type_30_error type_30_error;
1132 } u;
1133 }__attribute__((packed, aligned (8)));
1134
1135 struct ipr_hostrcb_raw {
1136 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1137 }__attribute__((packed, aligned (4)));
1138
1139 struct ipr_hcam {
1140 u8 op_code;
1141 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1142 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1143
1144 u8 notify_type;
1145 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1146 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1147 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1148 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1149 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1150
1151 u8 notifications_lost;
1152 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1153 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1154
1155 u8 flags;
1156 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1157 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1158
1159 u8 overlay_id;
1160 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1161 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1162 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1163 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1164 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1165 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1166 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1167 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1168 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1169 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1170 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1171 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1172 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1173 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1174 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1175 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1176 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1177
1178 u8 reserved1[3];
1179 __be32 ilid;
1180 __be32 time_since_last_ioa_reset;
1181 __be32 reserved2;
1182 __be32 length;
1183
1184 union {
1185 struct ipr_hostrcb_error error;
1186 struct ipr_hostrcb64_error error64;
1187 struct ipr_hostrcb_cfg_ch_not ccn;
1188 struct ipr_hostrcb_raw raw;
1189 } u;
1190 }__attribute__((packed, aligned (4)));
1191
1192 struct ipr_hostrcb {
1193 struct ipr_hcam hcam;
1194 dma_addr_t hostrcb_dma;
1195 struct list_head queue;
1196 struct ipr_ioa_cfg *ioa_cfg;
1197 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1198 };
1199
1200 /* IPR smart dump table structures */
1201 struct ipr_sdt_entry {
1202 __be32 start_token;
1203 __be32 end_token;
1204 u8 reserved[4];
1205
1206 u8 flags;
1207 #define IPR_SDT_ENDIAN 0x80
1208 #define IPR_SDT_VALID_ENTRY 0x20
1209
1210 u8 resv;
1211 __be16 priority;
1212 }__attribute__((packed, aligned (4)));
1213
1214 struct ipr_sdt_header {
1215 __be32 state;
1216 __be32 num_entries;
1217 __be32 num_entries_used;
1218 __be32 dump_size;
1219 }__attribute__((packed, aligned (4)));
1220
1221 struct ipr_sdt {
1222 struct ipr_sdt_header hdr;
1223 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1224 }__attribute__((packed, aligned (4)));
1225
1226 struct ipr_uc_sdt {
1227 struct ipr_sdt_header hdr;
1228 struct ipr_sdt_entry entry[1];
1229 }__attribute__((packed, aligned (4)));
1230
1231 /*
1232 * Driver types
1233 */
1234 struct ipr_bus_attributes {
1235 u8 bus;
1236 u8 qas_enabled;
1237 u8 bus_width;
1238 u8 reserved;
1239 u32 max_xfer_rate;
1240 };
1241
1242 struct ipr_sata_port {
1243 struct ipr_ioa_cfg *ioa_cfg;
1244 struct ata_port *ap;
1245 struct ipr_resource_entry *res;
1246 struct ipr_ioasa_gata ioasa;
1247 };
1248
1249 struct ipr_resource_entry {
1250 u8 needs_sync_complete:1;
1251 u8 in_erp:1;
1252 u8 add_to_ml:1;
1253 u8 del_from_ml:1;
1254 u8 resetting_device:1;
1255
1256 u32 bus; /* AKA channel */
1257 u32 target; /* AKA id */
1258 u32 lun;
1259 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1260 #define IPR_VSET_VIRTUAL_BUS 0x2
1261 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1262
1263 #define IPR_GET_RES_PHYS_LOC(res) \
1264 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1265
1266 u8 ata_class;
1267
1268 u8 flags;
1269 __be16 res_flags;
1270
1271 u8 type;
1272
1273 u8 qmodel;
1274 struct ipr_std_inq_data std_inq_data;
1275
1276 __be32 res_handle;
1277 __be64 dev_id;
1278 __be64 lun_wwn;
1279 struct scsi_lun dev_lun;
1280 u8 res_path[8];
1281
1282 struct ipr_ioa_cfg *ioa_cfg;
1283 struct scsi_device *sdev;
1284 struct ipr_sata_port *sata_port;
1285 struct list_head queue;
1286 }; /* struct ipr_resource_entry */
1287
1288 struct ipr_resource_hdr {
1289 u16 num_entries;
1290 u16 reserved;
1291 };
1292
1293 struct ipr_misc_cbs {
1294 struct ipr_ioa_vpd ioa_vpd;
1295 struct ipr_inquiry_page0 page0_data;
1296 struct ipr_inquiry_page3 page3_data;
1297 struct ipr_inquiry_cap cap;
1298 struct ipr_mode_pages mode_pages;
1299 struct ipr_supported_device supp_dev;
1300 };
1301
1302 struct ipr_interrupt_offsets {
1303 unsigned long set_interrupt_mask_reg;
1304 unsigned long clr_interrupt_mask_reg;
1305 unsigned long clr_interrupt_mask_reg32;
1306 unsigned long sense_interrupt_mask_reg;
1307 unsigned long sense_interrupt_mask_reg32;
1308 unsigned long clr_interrupt_reg;
1309 unsigned long clr_interrupt_reg32;
1310
1311 unsigned long sense_interrupt_reg;
1312 unsigned long sense_interrupt_reg32;
1313 unsigned long ioarrin_reg;
1314 unsigned long sense_uproc_interrupt_reg;
1315 unsigned long sense_uproc_interrupt_reg32;
1316 unsigned long set_uproc_interrupt_reg;
1317 unsigned long set_uproc_interrupt_reg32;
1318 unsigned long clr_uproc_interrupt_reg;
1319 unsigned long clr_uproc_interrupt_reg32;
1320
1321 unsigned long init_feedback_reg;
1322
1323 unsigned long dump_addr_reg;
1324 unsigned long dump_data_reg;
1325
1326 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1327 unsigned long endian_swap_reg;
1328 };
1329
1330 struct ipr_interrupts {
1331 void __iomem *set_interrupt_mask_reg;
1332 void __iomem *clr_interrupt_mask_reg;
1333 void __iomem *clr_interrupt_mask_reg32;
1334 void __iomem *sense_interrupt_mask_reg;
1335 void __iomem *sense_interrupt_mask_reg32;
1336 void __iomem *clr_interrupt_reg;
1337 void __iomem *clr_interrupt_reg32;
1338
1339 void __iomem *sense_interrupt_reg;
1340 void __iomem *sense_interrupt_reg32;
1341 void __iomem *ioarrin_reg;
1342 void __iomem *sense_uproc_interrupt_reg;
1343 void __iomem *sense_uproc_interrupt_reg32;
1344 void __iomem *set_uproc_interrupt_reg;
1345 void __iomem *set_uproc_interrupt_reg32;
1346 void __iomem *clr_uproc_interrupt_reg;
1347 void __iomem *clr_uproc_interrupt_reg32;
1348
1349 void __iomem *init_feedback_reg;
1350
1351 void __iomem *dump_addr_reg;
1352 void __iomem *dump_data_reg;
1353
1354 void __iomem *endian_swap_reg;
1355 };
1356
1357 struct ipr_chip_cfg_t {
1358 u32 mailbox;
1359 u16 max_cmds;
1360 u8 cache_line_size;
1361 u8 clear_isr;
1362 u32 iopoll_weight;
1363 struct ipr_interrupt_offsets regs;
1364 };
1365
1366 struct ipr_chip_t {
1367 u16 vendor;
1368 u16 device;
1369 u16 intr_type;
1370 #define IPR_USE_LSI 0x00
1371 #define IPR_USE_MSI 0x01
1372 #define IPR_USE_MSIX 0x02
1373 u16 sis_type;
1374 #define IPR_SIS32 0x00
1375 #define IPR_SIS64 0x01
1376 u16 bist_method;
1377 #define IPR_PCI_CFG 0x00
1378 #define IPR_MMIO 0x01
1379 const struct ipr_chip_cfg_t *cfg;
1380 };
1381
1382 enum ipr_shutdown_type {
1383 IPR_SHUTDOWN_NORMAL = 0x00,
1384 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1385 IPR_SHUTDOWN_ABBREV = 0x80,
1386 IPR_SHUTDOWN_NONE = 0x100
1387 };
1388
1389 struct ipr_trace_entry {
1390 u32 time;
1391
1392 u8 op_code;
1393 u8 ata_op_code;
1394 u8 type;
1395 #define IPR_TRACE_START 0x00
1396 #define IPR_TRACE_FINISH 0xff
1397 u8 cmd_index;
1398
1399 __be32 res_handle;
1400 union {
1401 u32 ioasc;
1402 u32 add_data;
1403 u32 res_addr;
1404 } u;
1405 };
1406
1407 struct ipr_sglist {
1408 u32 order;
1409 u32 num_sg;
1410 u32 num_dma_sg;
1411 u32 buffer_len;
1412 struct scatterlist scatterlist[1];
1413 };
1414
1415 enum ipr_sdt_state {
1416 INACTIVE,
1417 WAIT_FOR_DUMP,
1418 GET_DUMP,
1419 READ_DUMP,
1420 ABORT_DUMP,
1421 DUMP_OBTAINED
1422 };
1423
1424 /* Per-controller data */
1425 struct ipr_ioa_cfg {
1426 char eye_catcher[8];
1427 #define IPR_EYECATCHER "iprcfg"
1428
1429 struct list_head queue;
1430
1431 u8 in_reset_reload:1;
1432 u8 in_ioa_bringdown:1;
1433 u8 ioa_unit_checked:1;
1434 u8 dump_taken:1;
1435 u8 allow_ml_add_del:1;
1436 u8 needs_hard_reset:1;
1437 u8 dual_raid:1;
1438 u8 needs_warm_reset:1;
1439 u8 msi_received:1;
1440 u8 sis64:1;
1441 u8 dump_timeout:1;
1442 u8 cfg_locked:1;
1443 u8 clear_isr:1;
1444
1445 u8 revid;
1446
1447 /*
1448 * Bitmaps for SIS64 generated target values
1449 */
1450 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1451 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1452 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1453
1454 u16 type; /* CCIN of the card */
1455
1456 u8 log_level;
1457 #define IPR_MAX_LOG_LEVEL 4
1458 #define IPR_DEFAULT_LOG_LEVEL 2
1459
1460 #define IPR_NUM_TRACE_INDEX_BITS 8
1461 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1462 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1463 char trace_start[8];
1464 #define IPR_TRACE_START_LABEL "trace"
1465 struct ipr_trace_entry *trace;
1466 atomic_t trace_index;
1467
1468 char cfg_table_start[8];
1469 #define IPR_CFG_TBL_START "cfg"
1470 union {
1471 struct ipr_config_table *cfg_table;
1472 struct ipr_config_table64 *cfg_table64;
1473 } u;
1474 dma_addr_t cfg_table_dma;
1475 u32 cfg_table_size;
1476 u32 max_devs_supported;
1477
1478 char resource_table_label[8];
1479 #define IPR_RES_TABLE_LABEL "res_tbl"
1480 struct ipr_resource_entry *res_entries;
1481 struct list_head free_res_q;
1482 struct list_head used_res_q;
1483
1484 char ipr_hcam_label[8];
1485 #define IPR_HCAM_LABEL "hcams"
1486 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1487 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1488 struct list_head hostrcb_free_q;
1489 struct list_head hostrcb_pending_q;
1490
1491 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1492 u32 hrrq_num;
1493 atomic_t hrrq_index;
1494 u16 identify_hrrq_index;
1495
1496 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1497
1498 unsigned int transop_timeout;
1499 const struct ipr_chip_cfg_t *chip_cfg;
1500 const struct ipr_chip_t *ipr_chip;
1501
1502 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1503 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1504 void __iomem *ioa_mailbox;
1505 struct ipr_interrupts regs;
1506
1507 u16 saved_pcix_cmd_reg;
1508 u16 reset_retries;
1509
1510 u32 errors_logged;
1511 u32 doorbell;
1512
1513 struct Scsi_Host *host;
1514 struct pci_dev *pdev;
1515 struct ipr_sglist *ucode_sglist;
1516 u8 saved_mode_page_len;
1517
1518 struct work_struct work_q;
1519
1520 wait_queue_head_t reset_wait_q;
1521 wait_queue_head_t msi_wait_q;
1522
1523 struct ipr_dump *dump;
1524 enum ipr_sdt_state sdt_state;
1525
1526 struct ipr_misc_cbs *vpd_cbs;
1527 dma_addr_t vpd_cbs_dma;
1528
1529 struct pci_pool *ipr_cmd_pool;
1530
1531 struct ipr_cmnd *reset_cmd;
1532 int (*reset) (struct ipr_cmnd *);
1533
1534 struct ata_host ata_host;
1535 char ipr_cmd_label[8];
1536 #define IPR_CMD_LABEL "ipr_cmd"
1537 u32 max_cmds;
1538 struct ipr_cmnd **ipr_cmnd_list;
1539 dma_addr_t *ipr_cmnd_list_dma;
1540
1541 u16 intr_flag;
1542 unsigned int nvectors;
1543
1544 struct {
1545 unsigned short vec;
1546 char desc[22];
1547 } vectors_info[IPR_MAX_MSIX_VECTORS];
1548
1549 u32 iopoll_weight;
1550
1551 }; /* struct ipr_ioa_cfg */
1552
1553 struct ipr_cmnd {
1554 struct ipr_ioarcb ioarcb;
1555 union {
1556 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1557 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1558 struct ipr_ata64_ioadl ata_ioadl;
1559 } i;
1560 union {
1561 struct ipr_ioasa ioasa;
1562 struct ipr_ioasa64 ioasa64;
1563 } s;
1564 struct list_head queue;
1565 struct scsi_cmnd *scsi_cmd;
1566 struct ata_queued_cmd *qc;
1567 struct completion completion;
1568 struct timer_list timer;
1569 void (*fast_done) (struct ipr_cmnd *);
1570 void (*done) (struct ipr_cmnd *);
1571 int (*job_step) (struct ipr_cmnd *);
1572 int (*job_step_failed) (struct ipr_cmnd *);
1573 u16 cmd_index;
1574 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1575 dma_addr_t sense_buffer_dma;
1576 unsigned short dma_use_sg;
1577 dma_addr_t dma_addr;
1578 struct ipr_cmnd *sibling;
1579 union {
1580 enum ipr_shutdown_type shutdown_type;
1581 struct ipr_hostrcb *hostrcb;
1582 unsigned long time_left;
1583 unsigned long scratch;
1584 struct ipr_resource_entry *res;
1585 struct scsi_device *sdev;
1586 } u;
1587
1588 struct ipr_hrr_queue *hrrq;
1589 struct ipr_ioa_cfg *ioa_cfg;
1590 };
1591
1592 struct ipr_ses_table_entry {
1593 char product_id[17];
1594 char compare_product_id_byte[17];
1595 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1596 };
1597
1598 struct ipr_dump_header {
1599 u32 eye_catcher;
1600 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1601 u32 len;
1602 u32 num_entries;
1603 u32 first_entry_offset;
1604 u32 status;
1605 #define IPR_DUMP_STATUS_SUCCESS 0
1606 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1607 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1608 u32 os;
1609 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1610 u32 driver_name;
1611 #define IPR_DUMP_DRIVER_NAME 0x49505232
1612 }__attribute__((packed, aligned (4)));
1613
1614 struct ipr_dump_entry_header {
1615 u32 eye_catcher;
1616 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1617 u32 len;
1618 u32 num_elems;
1619 u32 offset;
1620 u32 data_type;
1621 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1622 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1623 u32 id;
1624 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1625 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1626 #define IPR_DUMP_TRACE_ID 0x54524143
1627 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1628 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1629 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1630 #define IPR_DUMP_PEND_OPS 0x414F5053
1631 u32 status;
1632 }__attribute__((packed, aligned (4)));
1633
1634 struct ipr_dump_location_entry {
1635 struct ipr_dump_entry_header hdr;
1636 u8 location[20];
1637 }__attribute__((packed));
1638
1639 struct ipr_dump_trace_entry {
1640 struct ipr_dump_entry_header hdr;
1641 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1642 }__attribute__((packed, aligned (4)));
1643
1644 struct ipr_dump_version_entry {
1645 struct ipr_dump_entry_header hdr;
1646 u8 version[sizeof(IPR_DRIVER_VERSION)];
1647 };
1648
1649 struct ipr_dump_ioa_type_entry {
1650 struct ipr_dump_entry_header hdr;
1651 u32 type;
1652 u32 fw_version;
1653 };
1654
1655 struct ipr_driver_dump {
1656 struct ipr_dump_header hdr;
1657 struct ipr_dump_version_entry version_entry;
1658 struct ipr_dump_location_entry location_entry;
1659 struct ipr_dump_ioa_type_entry ioa_type_entry;
1660 struct ipr_dump_trace_entry trace_entry;
1661 }__attribute__((packed));
1662
1663 struct ipr_ioa_dump {
1664 struct ipr_dump_entry_header hdr;
1665 struct ipr_sdt sdt;
1666 __be32 **ioa_data;
1667 u32 reserved;
1668 u32 next_page_index;
1669 u32 page_offset;
1670 u32 format;
1671 }__attribute__((packed, aligned (4)));
1672
1673 struct ipr_dump {
1674 struct kref kref;
1675 struct ipr_ioa_cfg *ioa_cfg;
1676 struct ipr_driver_dump driver_dump;
1677 struct ipr_ioa_dump ioa_dump;
1678 };
1679
1680 struct ipr_error_table_t {
1681 u32 ioasc;
1682 int log_ioasa;
1683 int log_hcam;
1684 char *error;
1685 };
1686
1687 struct ipr_software_inq_lid_info {
1688 __be32 load_id;
1689 __be32 timestamp[3];
1690 }__attribute__((packed, aligned (4)));
1691
1692 struct ipr_ucode_image_header {
1693 __be32 header_length;
1694 __be32 lid_table_offset;
1695 u8 major_release;
1696 u8 card_type;
1697 u8 minor_release[2];
1698 u8 reserved[20];
1699 char eyecatcher[16];
1700 __be32 num_lids;
1701 struct ipr_software_inq_lid_info lid[1];
1702 }__attribute__((packed, aligned (4)));
1703
1704 /*
1705 * Macros
1706 */
1707 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1708
1709 #ifdef CONFIG_SCSI_IPR_TRACE
1710 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1711 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1712 #else
1713 #define ipr_create_trace_file(kobj, attr) 0
1714 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1715 #endif
1716
1717 #ifdef CONFIG_SCSI_IPR_DUMP
1718 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1719 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1720 #else
1721 #define ipr_create_dump_file(kobj, attr) 0
1722 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1723 #endif
1724
1725 /*
1726 * Error logging macros
1727 */
1728 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1729 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1730 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1731
1732 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1733 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1734 bus, target, lun, ##__VA_ARGS__)
1735
1736 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1737 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1738
1739 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1740 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1741 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1742
1743 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1744 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1745
1746 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1747 { \
1748 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1749 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1750 } else { \
1751 ipr_err(fmt": %d:%d:%d:%d\n", \
1752 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1753 (res).bus, (res).target, (res).lun); \
1754 } \
1755 }
1756
1757 #define ipr_hcam_err(hostrcb, fmt, ...) \
1758 { \
1759 if (ipr_is_device(hostrcb)) { \
1760 if ((hostrcb)->ioa_cfg->sis64) { \
1761 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1762 ipr_format_res_path(hostrcb->ioa_cfg, \
1763 hostrcb->hcam.u.error64.fd_res_path, \
1764 hostrcb->rp_buffer, \
1765 sizeof(hostrcb->rp_buffer)), \
1766 __VA_ARGS__); \
1767 } else { \
1768 ipr_ra_err((hostrcb)->ioa_cfg, \
1769 (hostrcb)->hcam.u.error.fd_res_addr, \
1770 fmt, __VA_ARGS__); \
1771 } \
1772 } else { \
1773 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1774 } \
1775 }
1776
1777 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1778 __FILE__, __func__, __LINE__)
1779
1780 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1781 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1782
1783 #define ipr_err_separator \
1784 ipr_err("----------------------------------------------------------\n")
1785
1786
1787 /*
1788 * Inlines
1789 */
1790
1791 /**
1792 * ipr_is_ioa_resource - Determine if a resource is the IOA
1793 * @res: resource entry struct
1794 *
1795 * Return value:
1796 * 1 if IOA / 0 if not IOA
1797 **/
1798 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1799 {
1800 return res->type == IPR_RES_TYPE_IOAFP;
1801 }
1802
1803 /**
1804 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1805 * @res: resource entry struct
1806 *
1807 * Return value:
1808 * 1 if AF DASD / 0 if not AF DASD
1809 **/
1810 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1811 {
1812 return res->type == IPR_RES_TYPE_AF_DASD ||
1813 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1814 }
1815
1816 /**
1817 * ipr_is_vset_device - Determine if a resource is a VSET
1818 * @res: resource entry struct
1819 *
1820 * Return value:
1821 * 1 if VSET / 0 if not VSET
1822 **/
1823 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1824 {
1825 return res->type == IPR_RES_TYPE_VOLUME_SET;
1826 }
1827
1828 /**
1829 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1830 * @res: resource entry struct
1831 *
1832 * Return value:
1833 * 1 if GSCSI / 0 if not GSCSI
1834 **/
1835 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1836 {
1837 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1838 }
1839
1840 /**
1841 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1842 * @res: resource entry struct
1843 *
1844 * Return value:
1845 * 1 if SCSI disk / 0 if not SCSI disk
1846 **/
1847 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1848 {
1849 if (ipr_is_af_dasd_device(res) ||
1850 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1851 return 1;
1852 else
1853 return 0;
1854 }
1855
1856 /**
1857 * ipr_is_gata - Determine if a resource is a generic ATA resource
1858 * @res: resource entry struct
1859 *
1860 * Return value:
1861 * 1 if GATA / 0 if not GATA
1862 **/
1863 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1864 {
1865 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1866 }
1867
1868 /**
1869 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1870 * @res: resource entry struct
1871 *
1872 * Return value:
1873 * 1 if NACA queueing model / 0 if not NACA queueing model
1874 **/
1875 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1876 {
1877 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1878 return 1;
1879 return 0;
1880 }
1881
1882 /**
1883 * ipr_is_device - Determine if the hostrcb structure is related to a device
1884 * @hostrcb: host resource control blocks struct
1885 *
1886 * Return value:
1887 * 1 if AF / 0 if not AF
1888 **/
1889 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1890 {
1891 struct ipr_res_addr *res_addr;
1892 u8 *res_path;
1893
1894 if (hostrcb->ioa_cfg->sis64) {
1895 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1896 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1897 res_path[0] == 0x81) && res_path[2] != 0xFF)
1898 return 1;
1899 } else {
1900 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1901
1902 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1903 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1904 return 1;
1905 }
1906 return 0;
1907 }
1908
1909 /**
1910 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1911 * @sdt_word: SDT address
1912 *
1913 * Return value:
1914 * 1 if format 2 / 0 if not
1915 **/
1916 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1917 {
1918 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1919
1920 switch (bar_sel) {
1921 case IPR_SDT_FMT2_BAR0_SEL:
1922 case IPR_SDT_FMT2_BAR1_SEL:
1923 case IPR_SDT_FMT2_BAR2_SEL:
1924 case IPR_SDT_FMT2_BAR3_SEL:
1925 case IPR_SDT_FMT2_BAR4_SEL:
1926 case IPR_SDT_FMT2_BAR5_SEL:
1927 case IPR_SDT_FMT2_EXP_ROM_SEL:
1928 return 1;
1929 };
1930
1931 return 0;
1932 }
1933
1934 #ifndef writeq
1935 static inline void writeq(u64 val, void __iomem *addr)
1936 {
1937 writel(((u32) (val >> 32)), addr);
1938 writel(((u32) (val)), (addr + 4));
1939 }
1940 #endif
1941
1942 #endif /* _IPR_H */
Linux kernel - Deliverables
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