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UBUNTU: Ubuntu-4.13.0-45.50
[mirror_ubuntu-artful-kernel.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/irq_poll.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38
39 /*
40 * Literals
41 */
42 #define IPR_DRIVER_VERSION "2.6.4"
43 #define IPR_DRIVER_DATE "(March 14, 2017)"
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 #define PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA
64
65 #define IPR_SUBS_DEV_ID_2780 0x0264
66 #define IPR_SUBS_DEV_ID_5702 0x0266
67 #define IPR_SUBS_DEV_ID_5703 0x0278
68 #define IPR_SUBS_DEV_ID_572E 0x028D
69 #define IPR_SUBS_DEV_ID_573E 0x02D3
70 #define IPR_SUBS_DEV_ID_573D 0x02D4
71 #define IPR_SUBS_DEV_ID_571A 0x02C0
72 #define IPR_SUBS_DEV_ID_571B 0x02BE
73 #define IPR_SUBS_DEV_ID_571E 0x02BF
74 #define IPR_SUBS_DEV_ID_571F 0x02D5
75 #define IPR_SUBS_DEV_ID_572A 0x02C1
76 #define IPR_SUBS_DEV_ID_572B 0x02C2
77 #define IPR_SUBS_DEV_ID_572F 0x02C3
78 #define IPR_SUBS_DEV_ID_574E 0x030A
79 #define IPR_SUBS_DEV_ID_575B 0x030D
80 #define IPR_SUBS_DEV_ID_575C 0x0338
81 #define IPR_SUBS_DEV_ID_57B3 0x033A
82 #define IPR_SUBS_DEV_ID_57B7 0x0360
83 #define IPR_SUBS_DEV_ID_57B8 0x02C2
84
85 #define IPR_SUBS_DEV_ID_57B4 0x033B
86 #define IPR_SUBS_DEV_ID_57B2 0x035F
87 #define IPR_SUBS_DEV_ID_57C0 0x0352
88 #define IPR_SUBS_DEV_ID_57C3 0x0353
89 #define IPR_SUBS_DEV_ID_57C4 0x0354
90 #define IPR_SUBS_DEV_ID_57C6 0x0357
91 #define IPR_SUBS_DEV_ID_57CC 0x035C
92
93 #define IPR_SUBS_DEV_ID_57B5 0x033C
94 #define IPR_SUBS_DEV_ID_57CE 0x035E
95 #define IPR_SUBS_DEV_ID_57B1 0x0355
96
97 #define IPR_SUBS_DEV_ID_574D 0x0356
98 #define IPR_SUBS_DEV_ID_57C8 0x035D
99
100 #define IPR_SUBS_DEV_ID_57D5 0x03FB
101 #define IPR_SUBS_DEV_ID_57D6 0x03FC
102 #define IPR_SUBS_DEV_ID_57D7 0x03FF
103 #define IPR_SUBS_DEV_ID_57D8 0x03FE
104 #define IPR_SUBS_DEV_ID_57D9 0x046D
105 #define IPR_SUBS_DEV_ID_57DA 0x04CA
106 #define IPR_SUBS_DEV_ID_57EB 0x0474
107 #define IPR_SUBS_DEV_ID_57EC 0x0475
108 #define IPR_SUBS_DEV_ID_57ED 0x0499
109 #define IPR_SUBS_DEV_ID_57EE 0x049A
110 #define IPR_SUBS_DEV_ID_57EF 0x049B
111 #define IPR_SUBS_DEV_ID_57F0 0x049C
112 #define IPR_SUBS_DEV_ID_2CCA 0x04C7
113 #define IPR_SUBS_DEV_ID_2CD2 0x04C8
114 #define IPR_SUBS_DEV_ID_2CCD 0x04C9
115 #define IPR_SUBS_DEV_ID_580A 0x04FC
116 #define IPR_SUBS_DEV_ID_580B 0x04FB
117 #define IPR_NAME "ipr"
118
119 /*
120 * Return codes
121 */
122 #define IPR_RC_JOB_CONTINUE 1
123 #define IPR_RC_JOB_RETURN 2
124
125 /*
126 * IOASCs
127 */
128 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
129 #define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
130 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
131 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
132 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
133 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
134 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
135 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
136 #define IPR_IOASC_HW_CMD_FAILED 0x046E0000
137 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
138 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
139 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
140 #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
141 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
142 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
143 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
144 #define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
145
146 #define IPR_FIRST_DRIVER_IOASC 0x10000000
147 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
148 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
149
150 /* Driver data flags */
151 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
152 #define IPR_USE_PCI_WARM_RESET 0x00000002
153
154 #define IPR_DEFAULT_MAX_ERROR_DUMP 984
155 #define IPR_NUM_LOG_HCAMS 2
156 #define IPR_NUM_CFG_CHG_HCAMS 2
157 #define IPR_NUM_HCAM_QUEUE 12
158 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
159 #define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
160
161 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
162 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
163
164 #define IPR_MAX_NUM_TARGETS_PER_BUS 256
165 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
166 #define IPR_VSET_BUS 0xff
167 #define IPR_IOA_BUS 0xff
168 #define IPR_IOA_TARGET 0xff
169 #define IPR_IOA_LUN 0xff
170 #define IPR_MAX_NUM_BUSES 16
171
172 #define IPR_NUM_RESET_RELOAD_RETRIES 3
173
174 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
175 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
176 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
177
178 #define IPR_MAX_COMMANDS 100
179 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
180 IPR_NUM_INTERNAL_CMD_BLKS)
181
182 #define IPR_MAX_PHYSICAL_DEVS 192
183 #define IPR_DEFAULT_SIS64_DEVS 1024
184 #define IPR_MAX_SIS64_DEVS 4096
185
186 #define IPR_MAX_SGLIST 64
187 #define IPR_IOA_MAX_SECTORS 32767
188 #define IPR_VSET_MAX_SECTORS 512
189 #define IPR_MAX_CDB_LEN 16
190 #define IPR_MAX_HRRQ_RETRIES 3
191
192 #define IPR_DEFAULT_BUS_WIDTH 16
193 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
194 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
195 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
196 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
197
198 #define IPR_IOA_RES_HANDLE 0xffffffff
199 #define IPR_INVALID_RES_HANDLE 0
200 #define IPR_IOA_RES_ADDR 0x00ffffff
201
202 /*
203 * Adapter Commands
204 */
205 #define IPR_CANCEL_REQUEST 0xC0
206 #define IPR_CANCEL_64BIT_IOARCB 0x01
207 #define IPR_QUERY_RSRC_STATE 0xC2
208 #define IPR_RESET_DEVICE 0xC3
209 #define IPR_RESET_TYPE_SELECT 0x80
210 #define IPR_LUN_RESET 0x40
211 #define IPR_TARGET_RESET 0x20
212 #define IPR_BUS_RESET 0x10
213 #define IPR_ATA_PHY_RESET 0x80
214 #define IPR_ID_HOST_RR_Q 0xC4
215 #define IPR_QUERY_IOA_CONFIG 0xC5
216 #define IPR_CANCEL_ALL_REQUESTS 0xCE
217 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
218 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
219 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
220 #define IPR_SET_SUPPORTED_DEVICES 0xFB
221 #define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
222 #define IPR_IOA_SHUTDOWN 0xF7
223 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
224 #define IPR_IOA_SERVICE_ACTION 0xD2
225
226 /* IOA Service Actions */
227 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
228
229 /*
230 * Timeouts
231 */
232 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
233 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
234 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
235 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
236 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
237 #define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
238 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
239 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
240 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
241 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
242 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
243 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
244 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
245 #define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
246 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
247 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
248 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
249 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
250 #define IPR_PCI_RESET_TIMEOUT (HZ / 2)
251 #define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
252 #define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
253 #define IPR_DUMP_DELAY_SECONDS 4
254 #define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
255
256 /*
257 * SCSI Literals
258 */
259 #define IPR_VENDOR_ID_LEN 8
260 #define IPR_PROD_ID_LEN 16
261 #define IPR_SERIAL_NUM_LEN 8
262
263 /*
264 * Hardware literals
265 */
266 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
267 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
268 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
269 #define IPR_GET_FMT2_BAR_SEL(mbx) \
270 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
271 #define IPR_SDT_FMT2_BAR0_SEL 0x0
272 #define IPR_SDT_FMT2_BAR1_SEL 0x1
273 #define IPR_SDT_FMT2_BAR2_SEL 0x2
274 #define IPR_SDT_FMT2_BAR3_SEL 0x3
275 #define IPR_SDT_FMT2_BAR4_SEL 0x4
276 #define IPR_SDT_FMT2_BAR5_SEL 0x5
277 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
278 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
279 #define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
280 #define IPR_DOORBELL 0x82800000
281 #define IPR_RUNTIME_RESET 0x40000000
282
283 #define IPR_IPL_INIT_MIN_STAGE_TIME 5
284 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
285 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
286 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
287 #define IPR_IPL_INIT_STAGE_MASK 0xff000000
288 #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
289 #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
290
291 #define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
292 #define IPR_WAIT_FOR_MAILBOX (2 * HZ)
293
294 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
295 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
296 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
297 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
298 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
299 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
300 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
301 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
302 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
303 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
304 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
305
306 #define IPR_PCII_ERROR_INTERRUPTS \
307 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
308 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
309
310 #define IPR_PCII_OPER_INTERRUPTS \
311 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
312
313 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
314 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
315 #define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
316
317 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
318 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
319
320 /*
321 * Dump literals
322 */
323 #define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
324 #define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
325 #define IPR_FMT2_NUM_SDT_ENTRIES 511
326 #define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
327 #define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
328 #define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
329
330 /*
331 * Misc literals
332 */
333 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
334 #define IPR_MAX_MSIX_VECTORS 0x10
335 #define IPR_MAX_HRRQ_NUM 0x10
336 #define IPR_INIT_HRRQ 0x0
337
338 /*
339 * Adapter interface types
340 */
341
342 struct ipr_res_addr {
343 u8 reserved;
344 u8 bus;
345 u8 target;
346 u8 lun;
347 #define IPR_GET_PHYS_LOC(res_addr) \
348 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
349 }__attribute__((packed, aligned (4)));
350
351 struct ipr_std_inq_vpids {
352 u8 vendor_id[IPR_VENDOR_ID_LEN];
353 u8 product_id[IPR_PROD_ID_LEN];
354 }__attribute__((packed));
355
356 struct ipr_vpd {
357 struct ipr_std_inq_vpids vpids;
358 u8 sn[IPR_SERIAL_NUM_LEN];
359 }__attribute__((packed));
360
361 struct ipr_ext_vpd {
362 struct ipr_vpd vpd;
363 __be32 wwid[2];
364 }__attribute__((packed));
365
366 struct ipr_ext_vpd64 {
367 struct ipr_vpd vpd;
368 __be32 wwid[4];
369 }__attribute__((packed));
370
371 struct ipr_std_inq_data {
372 u8 peri_qual_dev_type;
373 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
374 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
375
376 u8 removeable_medium_rsvd;
377 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
378
379 #define IPR_IS_DASD_DEVICE(std_inq) \
380 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
381 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
382
383 #define IPR_IS_SES_DEVICE(std_inq) \
384 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
385
386 u8 version;
387 u8 aen_naca_fmt;
388 u8 additional_len;
389 u8 sccs_rsvd;
390 u8 bq_enc_multi;
391 u8 sync_cmdq_flags;
392
393 struct ipr_std_inq_vpids vpids;
394
395 u8 ros_rsvd_ram_rsvd[4];
396
397 u8 serial_num[IPR_SERIAL_NUM_LEN];
398 }__attribute__ ((packed));
399
400 #define IPR_RES_TYPE_AF_DASD 0x00
401 #define IPR_RES_TYPE_GENERIC_SCSI 0x01
402 #define IPR_RES_TYPE_VOLUME_SET 0x02
403 #define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
404 #define IPR_RES_TYPE_GENERIC_ATA 0x04
405 #define IPR_RES_TYPE_ARRAY 0x05
406 #define IPR_RES_TYPE_IOAFP 0xff
407
408 struct ipr_config_table_entry {
409 u8 proto;
410 #define IPR_PROTO_SATA 0x02
411 #define IPR_PROTO_SATA_ATAPI 0x03
412 #define IPR_PROTO_SAS_STP 0x06
413 #define IPR_PROTO_SAS_STP_ATAPI 0x07
414 u8 array_id;
415 u8 flags;
416 #define IPR_IS_IOA_RESOURCE 0x80
417 u8 rsvd_subtype;
418
419 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
420 #define IPR_QUEUE_FROZEN_MODEL 0
421 #define IPR_QUEUE_NACA_MODEL 1
422
423 struct ipr_res_addr res_addr;
424 __be32 res_handle;
425 __be32 lun_wwn[2];
426 struct ipr_std_inq_data std_inq_data;
427 }__attribute__ ((packed, aligned (4)));
428
429 struct ipr_config_table_entry64 {
430 u8 res_type;
431 u8 proto;
432 u8 vset_num;
433 u8 array_id;
434 __be16 flags;
435 __be16 res_flags;
436 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
437 __be32 res_handle;
438 u8 dev_id_type;
439 u8 reserved[3];
440 __be64 dev_id;
441 __be64 lun;
442 __be64 lun_wwn[2];
443 #define IPR_MAX_RES_PATH_LENGTH 48
444 __be64 res_path;
445 struct ipr_std_inq_data std_inq_data;
446 u8 reserved2[4];
447 __be64 reserved3[2];
448 u8 reserved4[8];
449 }__attribute__ ((packed, aligned (8)));
450
451 struct ipr_config_table_hdr {
452 u8 num_entries;
453 u8 flags;
454 #define IPR_UCODE_DOWNLOAD_REQ 0x10
455 __be16 reserved;
456 }__attribute__((packed, aligned (4)));
457
458 struct ipr_config_table_hdr64 {
459 __be16 num_entries;
460 __be16 reserved;
461 u8 flags;
462 u8 reserved2[11];
463 }__attribute__((packed, aligned (4)));
464
465 struct ipr_config_table {
466 struct ipr_config_table_hdr hdr;
467 struct ipr_config_table_entry dev[0];
468 }__attribute__((packed, aligned (4)));
469
470 struct ipr_config_table64 {
471 struct ipr_config_table_hdr64 hdr64;
472 struct ipr_config_table_entry64 dev[0];
473 }__attribute__((packed, aligned (8)));
474
475 struct ipr_config_table_entry_wrapper {
476 union {
477 struct ipr_config_table_entry *cfgte;
478 struct ipr_config_table_entry64 *cfgte64;
479 } u;
480 };
481
482 struct ipr_hostrcb_cfg_ch_not {
483 union {
484 struct ipr_config_table_entry cfgte;
485 struct ipr_config_table_entry64 cfgte64;
486 } u;
487 u8 reserved[936];
488 }__attribute__((packed, aligned (4)));
489
490 struct ipr_supported_device {
491 __be16 data_length;
492 u8 reserved;
493 u8 num_records;
494 struct ipr_std_inq_vpids vpids;
495 u8 reserved2[16];
496 }__attribute__((packed, aligned (4)));
497
498 struct ipr_hrr_queue {
499 struct ipr_ioa_cfg *ioa_cfg;
500 __be32 *host_rrq;
501 dma_addr_t host_rrq_dma;
502 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
503 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
504 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
505 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
506 #define IPR_ID_HRRQ_SELE_ENABLE 0x02
507 volatile __be32 *hrrq_start;
508 volatile __be32 *hrrq_end;
509 volatile __be32 *hrrq_curr;
510
511 struct list_head hrrq_free_q;
512 struct list_head hrrq_pending_q;
513 spinlock_t _lock;
514 spinlock_t *lock;
515
516 volatile u32 toggle_bit;
517 u32 size;
518 u32 min_cmd_id;
519 u32 max_cmd_id;
520 u8 allow_interrupts:1;
521 u8 ioa_is_dead:1;
522 u8 allow_cmds:1;
523 u8 removing_ioa:1;
524
525 struct irq_poll iopoll;
526 };
527
528 /* Command packet structure */
529 struct ipr_cmd_pkt {
530 u8 reserved; /* Reserved by IOA */
531 u8 hrrq_id;
532 u8 request_type;
533 #define IPR_RQTYPE_SCSICDB 0x00
534 #define IPR_RQTYPE_IOACMD 0x01
535 #define IPR_RQTYPE_HCAM 0x02
536 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
537 #define IPR_RQTYPE_PIPE 0x05
538
539 u8 reserved2;
540
541 u8 flags_hi;
542 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
543 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
544 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
545 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
546 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
547
548 u8 flags_lo;
549 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
550 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
551 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
552 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
553 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
554 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
555 #define IPR_FLAGS_LO_ACA_TASK 0x08
556
557 u8 cdb[16];
558 __be16 timeout;
559 }__attribute__ ((packed, aligned(4)));
560
561 struct ipr_ioarcb_ata_regs { /* 22 bytes */
562 u8 flags;
563 #define IPR_ATA_FLAG_PACKET_CMD 0x80
564 #define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
565 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
566 u8 reserved[3];
567
568 __be16 data;
569 u8 feature;
570 u8 nsect;
571 u8 lbal;
572 u8 lbam;
573 u8 lbah;
574 u8 device;
575 u8 command;
576 u8 reserved2[3];
577 u8 hob_feature;
578 u8 hob_nsect;
579 u8 hob_lbal;
580 u8 hob_lbam;
581 u8 hob_lbah;
582 u8 ctl;
583 }__attribute__ ((packed, aligned(2)));
584
585 struct ipr_ioadl_desc {
586 __be32 flags_and_data_len;
587 #define IPR_IOADL_FLAGS_MASK 0xff000000
588 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
589 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
590 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
591 #define IPR_IOADL_FLAGS_READ 0x48000000
592 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
593 #define IPR_IOADL_FLAGS_WRITE 0x68000000
594 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
595 #define IPR_IOADL_FLAGS_LAST 0x01000000
596
597 __be32 address;
598 }__attribute__((packed, aligned (8)));
599
600 struct ipr_ioadl64_desc {
601 __be32 flags;
602 __be32 data_len;
603 __be64 address;
604 }__attribute__((packed, aligned (16)));
605
606 struct ipr_ata64_ioadl {
607 struct ipr_ioarcb_ata_regs regs;
608 u16 reserved[5];
609 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
610 }__attribute__((packed, aligned (16)));
611
612 struct ipr_ioarcb_add_data {
613 union {
614 struct ipr_ioarcb_ata_regs regs;
615 struct ipr_ioadl_desc ioadl[5];
616 __be32 add_cmd_parms[10];
617 } u;
618 }__attribute__ ((packed, aligned (4)));
619
620 struct ipr_ioarcb_sis64_add_addr_ecb {
621 __be64 ioasa_host_pci_addr;
622 __be64 data_ioadl_addr;
623 __be64 reserved;
624 __be32 ext_control_buf[4];
625 }__attribute__((packed, aligned (8)));
626
627 /* IOA Request Control Block 128 bytes */
628 struct ipr_ioarcb {
629 union {
630 __be32 ioarcb_host_pci_addr;
631 __be64 ioarcb_host_pci_addr64;
632 } a;
633 __be32 res_handle;
634 __be32 host_response_handle;
635 __be32 reserved1;
636 __be32 reserved2;
637 __be32 reserved3;
638
639 __be32 data_transfer_length;
640 __be32 read_data_transfer_length;
641 __be32 write_ioadl_addr;
642 __be32 ioadl_len;
643 __be32 read_ioadl_addr;
644 __be32 read_ioadl_len;
645
646 __be32 ioasa_host_pci_addr;
647 __be16 ioasa_len;
648 __be16 reserved4;
649
650 struct ipr_cmd_pkt cmd_pkt;
651
652 __be16 add_cmd_parms_offset;
653 __be16 add_cmd_parms_len;
654
655 union {
656 struct ipr_ioarcb_add_data add_data;
657 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
658 } u;
659
660 }__attribute__((packed, aligned (4)));
661
662 struct ipr_ioasa_vset {
663 __be32 failing_lba_hi;
664 __be32 failing_lba_lo;
665 __be32 reserved;
666 }__attribute__((packed, aligned (4)));
667
668 struct ipr_ioasa_af_dasd {
669 __be32 failing_lba;
670 __be32 reserved[2];
671 }__attribute__((packed, aligned (4)));
672
673 struct ipr_ioasa_gpdd {
674 u8 end_state;
675 u8 bus_phase;
676 __be16 reserved;
677 __be32 ioa_data[2];
678 }__attribute__((packed, aligned (4)));
679
680 struct ipr_ioasa_gata {
681 u8 error;
682 u8 nsect; /* Interrupt reason */
683 u8 lbal;
684 u8 lbam;
685 u8 lbah;
686 u8 device;
687 u8 status;
688 u8 alt_status; /* ATA CTL */
689 u8 hob_nsect;
690 u8 hob_lbal;
691 u8 hob_lbam;
692 u8 hob_lbah;
693 }__attribute__((packed, aligned (4)));
694
695 struct ipr_auto_sense {
696 __be16 auto_sense_len;
697 __be16 ioa_data_len;
698 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
699 };
700
701 struct ipr_ioasa_hdr {
702 __be32 ioasc;
703 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
704 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
705 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
706 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
707
708 __be16 ret_stat_len; /* Length of the returned IOASA */
709
710 __be16 avail_stat_len; /* Total Length of status available. */
711
712 __be32 residual_data_len; /* number of bytes in the host data */
713 /* buffers that were not used by the IOARCB command. */
714
715 __be32 ilid;
716 #define IPR_NO_ILID 0
717 #define IPR_DRIVER_ILID 0xffffffff
718
719 __be32 fd_ioasc;
720
721 __be32 fd_phys_locator;
722
723 __be32 fd_res_handle;
724
725 __be32 ioasc_specific; /* status code specific field */
726 #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
727 #define IPR_AUTOSENSE_VALID 0x40000000
728 #define IPR_ATA_DEVICE_WAS_RESET 0x20000000
729 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
730 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
731 #define IPR_FIELD_POINTER_MASK 0x0000ffff
732
733 }__attribute__((packed, aligned (4)));
734
735 struct ipr_ioasa {
736 struct ipr_ioasa_hdr hdr;
737
738 union {
739 struct ipr_ioasa_vset vset;
740 struct ipr_ioasa_af_dasd dasd;
741 struct ipr_ioasa_gpdd gpdd;
742 struct ipr_ioasa_gata gata;
743 } u;
744
745 struct ipr_auto_sense auto_sense;
746 }__attribute__((packed, aligned (4)));
747
748 struct ipr_ioasa64 {
749 struct ipr_ioasa_hdr hdr;
750 u8 fd_res_path[8];
751
752 union {
753 struct ipr_ioasa_vset vset;
754 struct ipr_ioasa_af_dasd dasd;
755 struct ipr_ioasa_gpdd gpdd;
756 struct ipr_ioasa_gata gata;
757 } u;
758
759 struct ipr_auto_sense auto_sense;
760 }__attribute__((packed, aligned (4)));
761
762 struct ipr_mode_parm_hdr {
763 u8 length;
764 u8 medium_type;
765 u8 device_spec_parms;
766 u8 block_desc_len;
767 }__attribute__((packed));
768
769 struct ipr_mode_pages {
770 struct ipr_mode_parm_hdr hdr;
771 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
772 }__attribute__((packed));
773
774 struct ipr_mode_page_hdr {
775 u8 ps_page_code;
776 #define IPR_MODE_PAGE_PS 0x80
777 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
778 u8 page_length;
779 }__attribute__ ((packed));
780
781 struct ipr_dev_bus_entry {
782 struct ipr_res_addr res_addr;
783 u8 flags;
784 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
785 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
786 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
787 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
788 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
789 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
790 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
791
792 u8 scsi_id;
793 u8 bus_width;
794 u8 extended_reset_delay;
795 #define IPR_EXTENDED_RESET_DELAY 7
796
797 __be32 max_xfer_rate;
798
799 u8 spinup_delay;
800 u8 reserved3;
801 __be16 reserved4;
802 }__attribute__((packed, aligned (4)));
803
804 struct ipr_mode_page28 {
805 struct ipr_mode_page_hdr hdr;
806 u8 num_entries;
807 u8 entry_length;
808 struct ipr_dev_bus_entry bus[0];
809 }__attribute__((packed));
810
811 struct ipr_mode_page24 {
812 struct ipr_mode_page_hdr hdr;
813 u8 flags;
814 #define IPR_ENABLE_DUAL_IOA_AF 0x80
815 }__attribute__((packed));
816
817 struct ipr_ioa_vpd {
818 struct ipr_std_inq_data std_inq_data;
819 u8 ascii_part_num[12];
820 u8 reserved[40];
821 u8 ascii_plant_code[4];
822 }__attribute__((packed));
823
824 struct ipr_inquiry_page3 {
825 u8 peri_qual_dev_type;
826 u8 page_code;
827 u8 reserved1;
828 u8 page_length;
829 u8 ascii_len;
830 u8 reserved2[3];
831 u8 load_id[4];
832 u8 major_release;
833 u8 card_type;
834 u8 minor_release[2];
835 u8 ptf_number[4];
836 u8 patch_number[4];
837 }__attribute__((packed));
838
839 struct ipr_inquiry_cap {
840 u8 peri_qual_dev_type;
841 u8 page_code;
842 u8 reserved1;
843 u8 page_length;
844 u8 ascii_len;
845 u8 reserved2;
846 u8 sis_version[2];
847 u8 cap;
848 #define IPR_CAP_DUAL_IOA_RAID 0x80
849 u8 reserved3[15];
850 }__attribute__((packed));
851
852 #define IPR_INQUIRY_PAGE0_ENTRIES 20
853 struct ipr_inquiry_page0 {
854 u8 peri_qual_dev_type;
855 u8 page_code;
856 u8 reserved1;
857 u8 len;
858 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
859 }__attribute__((packed));
860
861 struct ipr_inquiry_pageC4 {
862 u8 peri_qual_dev_type;
863 u8 page_code;
864 u8 reserved1;
865 u8 len;
866 u8 cache_cap[4];
867 #define IPR_CAP_SYNC_CACHE 0x08
868 u8 reserved2[20];
869 } __packed;
870
871 struct ipr_hostrcb_device_data_entry {
872 struct ipr_vpd vpd;
873 struct ipr_res_addr dev_res_addr;
874 struct ipr_vpd new_vpd;
875 struct ipr_vpd ioa_last_with_dev_vpd;
876 struct ipr_vpd cfc_last_with_dev_vpd;
877 __be32 ioa_data[5];
878 }__attribute__((packed, aligned (4)));
879
880 struct ipr_hostrcb_device_data_entry_enhanced {
881 struct ipr_ext_vpd vpd;
882 u8 ccin[4];
883 struct ipr_res_addr dev_res_addr;
884 struct ipr_ext_vpd new_vpd;
885 u8 new_ccin[4];
886 struct ipr_ext_vpd ioa_last_with_dev_vpd;
887 struct ipr_ext_vpd cfc_last_with_dev_vpd;
888 }__attribute__((packed, aligned (4)));
889
890 struct ipr_hostrcb64_device_data_entry_enhanced {
891 struct ipr_ext_vpd vpd;
892 u8 ccin[4];
893 u8 res_path[8];
894 struct ipr_ext_vpd new_vpd;
895 u8 new_ccin[4];
896 struct ipr_ext_vpd ioa_last_with_dev_vpd;
897 struct ipr_ext_vpd cfc_last_with_dev_vpd;
898 }__attribute__((packed, aligned (4)));
899
900 struct ipr_hostrcb_array_data_entry {
901 struct ipr_vpd vpd;
902 struct ipr_res_addr expected_dev_res_addr;
903 struct ipr_res_addr dev_res_addr;
904 }__attribute__((packed, aligned (4)));
905
906 struct ipr_hostrcb64_array_data_entry {
907 struct ipr_ext_vpd vpd;
908 u8 ccin[4];
909 u8 expected_res_path[8];
910 u8 res_path[8];
911 }__attribute__((packed, aligned (4)));
912
913 struct ipr_hostrcb_array_data_entry_enhanced {
914 struct ipr_ext_vpd vpd;
915 u8 ccin[4];
916 struct ipr_res_addr expected_dev_res_addr;
917 struct ipr_res_addr dev_res_addr;
918 }__attribute__((packed, aligned (4)));
919
920 struct ipr_hostrcb_type_ff_error {
921 __be32 ioa_data[758];
922 }__attribute__((packed, aligned (4)));
923
924 struct ipr_hostrcb_type_01_error {
925 __be32 seek_counter;
926 __be32 read_counter;
927 u8 sense_data[32];
928 __be32 ioa_data[236];
929 }__attribute__((packed, aligned (4)));
930
931 struct ipr_hostrcb_type_21_error {
932 __be32 wwn[4];
933 u8 res_path[8];
934 u8 primary_problem_desc[32];
935 u8 second_problem_desc[32];
936 __be32 sense_data[8];
937 __be32 cdb[4];
938 __be32 residual_trans_length;
939 __be32 length_of_error;
940 __be32 ioa_data[236];
941 }__attribute__((packed, aligned (4)));
942
943 struct ipr_hostrcb_type_02_error {
944 struct ipr_vpd ioa_vpd;
945 struct ipr_vpd cfc_vpd;
946 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
947 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
948 __be32 ioa_data[3];
949 }__attribute__((packed, aligned (4)));
950
951 struct ipr_hostrcb_type_12_error {
952 struct ipr_ext_vpd ioa_vpd;
953 struct ipr_ext_vpd cfc_vpd;
954 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
955 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
956 __be32 ioa_data[3];
957 }__attribute__((packed, aligned (4)));
958
959 struct ipr_hostrcb_type_03_error {
960 struct ipr_vpd ioa_vpd;
961 struct ipr_vpd cfc_vpd;
962 __be32 errors_detected;
963 __be32 errors_logged;
964 u8 ioa_data[12];
965 struct ipr_hostrcb_device_data_entry dev[3];
966 }__attribute__((packed, aligned (4)));
967
968 struct ipr_hostrcb_type_13_error {
969 struct ipr_ext_vpd ioa_vpd;
970 struct ipr_ext_vpd cfc_vpd;
971 __be32 errors_detected;
972 __be32 errors_logged;
973 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
974 }__attribute__((packed, aligned (4)));
975
976 struct ipr_hostrcb_type_23_error {
977 struct ipr_ext_vpd ioa_vpd;
978 struct ipr_ext_vpd cfc_vpd;
979 __be32 errors_detected;
980 __be32 errors_logged;
981 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
982 }__attribute__((packed, aligned (4)));
983
984 struct ipr_hostrcb_type_04_error {
985 struct ipr_vpd ioa_vpd;
986 struct ipr_vpd cfc_vpd;
987 u8 ioa_data[12];
988 struct ipr_hostrcb_array_data_entry array_member[10];
989 __be32 exposed_mode_adn;
990 __be32 array_id;
991 struct ipr_vpd incomp_dev_vpd;
992 __be32 ioa_data2;
993 struct ipr_hostrcb_array_data_entry array_member2[8];
994 struct ipr_res_addr last_func_vset_res_addr;
995 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
996 u8 protection_level[8];
997 }__attribute__((packed, aligned (4)));
998
999 struct ipr_hostrcb_type_14_error {
1000 struct ipr_ext_vpd ioa_vpd;
1001 struct ipr_ext_vpd cfc_vpd;
1002 __be32 exposed_mode_adn;
1003 __be32 array_id;
1004 struct ipr_res_addr last_func_vset_res_addr;
1005 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1006 u8 protection_level[8];
1007 __be32 num_entries;
1008 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1009 }__attribute__((packed, aligned (4)));
1010
1011 struct ipr_hostrcb_type_24_error {
1012 struct ipr_ext_vpd ioa_vpd;
1013 struct ipr_ext_vpd cfc_vpd;
1014 u8 reserved[2];
1015 u8 exposed_mode_adn;
1016 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
1017 u8 array_id;
1018 u8 last_res_path[8];
1019 u8 protection_level[8];
1020 struct ipr_ext_vpd64 array_vpd;
1021 u8 description[16];
1022 u8 reserved2[3];
1023 u8 num_entries;
1024 struct ipr_hostrcb64_array_data_entry array_member[32];
1025 }__attribute__((packed, aligned (4)));
1026
1027 struct ipr_hostrcb_type_07_error {
1028 u8 failure_reason[64];
1029 struct ipr_vpd vpd;
1030 __be32 data[222];
1031 }__attribute__((packed, aligned (4)));
1032
1033 struct ipr_hostrcb_type_17_error {
1034 u8 failure_reason[64];
1035 struct ipr_ext_vpd vpd;
1036 __be32 data[476];
1037 }__attribute__((packed, aligned (4)));
1038
1039 struct ipr_hostrcb_config_element {
1040 u8 type_status;
1041 #define IPR_PATH_CFG_TYPE_MASK 0xF0
1042 #define IPR_PATH_CFG_NOT_EXIST 0x00
1043 #define IPR_PATH_CFG_IOA_PORT 0x10
1044 #define IPR_PATH_CFG_EXP_PORT 0x20
1045 #define IPR_PATH_CFG_DEVICE_PORT 0x30
1046 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1047
1048 #define IPR_PATH_CFG_STATUS_MASK 0x0F
1049 #define IPR_PATH_CFG_NO_PROB 0x00
1050 #define IPR_PATH_CFG_DEGRADED 0x01
1051 #define IPR_PATH_CFG_FAILED 0x02
1052 #define IPR_PATH_CFG_SUSPECT 0x03
1053 #define IPR_PATH_NOT_DETECTED 0x04
1054 #define IPR_PATH_INCORRECT_CONN 0x05
1055
1056 u8 cascaded_expander;
1057 u8 phy;
1058 u8 link_rate;
1059 #define IPR_PHY_LINK_RATE_MASK 0x0F
1060
1061 __be32 wwid[2];
1062 }__attribute__((packed, aligned (4)));
1063
1064 struct ipr_hostrcb64_config_element {
1065 __be16 length;
1066 u8 descriptor_id;
1067 #define IPR_DESCRIPTOR_MASK 0xC0
1068 #define IPR_DESCRIPTOR_SIS64 0x00
1069
1070 u8 reserved;
1071 u8 type_status;
1072
1073 u8 reserved2[2];
1074 u8 link_rate;
1075
1076 u8 res_path[8];
1077 __be32 wwid[2];
1078 }__attribute__((packed, aligned (8)));
1079
1080 struct ipr_hostrcb_fabric_desc {
1081 __be16 length;
1082 u8 ioa_port;
1083 u8 cascaded_expander;
1084 u8 phy;
1085 u8 path_state;
1086 #define IPR_PATH_ACTIVE_MASK 0xC0
1087 #define IPR_PATH_NO_INFO 0x00
1088 #define IPR_PATH_ACTIVE 0x40
1089 #define IPR_PATH_NOT_ACTIVE 0x80
1090
1091 #define IPR_PATH_STATE_MASK 0x0F
1092 #define IPR_PATH_STATE_NO_INFO 0x00
1093 #define IPR_PATH_HEALTHY 0x01
1094 #define IPR_PATH_DEGRADED 0x02
1095 #define IPR_PATH_FAILED 0x03
1096
1097 __be16 num_entries;
1098 struct ipr_hostrcb_config_element elem[1];
1099 }__attribute__((packed, aligned (4)));
1100
1101 struct ipr_hostrcb64_fabric_desc {
1102 __be16 length;
1103 u8 descriptor_id;
1104
1105 u8 reserved[2];
1106 u8 path_state;
1107
1108 u8 reserved2[2];
1109 u8 res_path[8];
1110 u8 reserved3[6];
1111 __be16 num_entries;
1112 struct ipr_hostrcb64_config_element elem[1];
1113 }__attribute__((packed, aligned (8)));
1114
1115 #define for_each_hrrq(hrrq, ioa_cfg) \
1116 for (hrrq = (ioa_cfg)->hrrq; \
1117 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1118
1119 #define for_each_fabric_cfg(fabric, cfg) \
1120 for (cfg = (fabric)->elem; \
1121 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1122 cfg++)
1123
1124 struct ipr_hostrcb_type_20_error {
1125 u8 failure_reason[64];
1126 u8 reserved[3];
1127 u8 num_entries;
1128 struct ipr_hostrcb_fabric_desc desc[1];
1129 }__attribute__((packed, aligned (4)));
1130
1131 struct ipr_hostrcb_type_30_error {
1132 u8 failure_reason[64];
1133 u8 reserved[3];
1134 u8 num_entries;
1135 struct ipr_hostrcb64_fabric_desc desc[1];
1136 }__attribute__((packed, aligned (4)));
1137
1138 struct ipr_hostrcb_error {
1139 __be32 fd_ioasc;
1140 struct ipr_res_addr fd_res_addr;
1141 __be32 fd_res_handle;
1142 __be32 prc;
1143 union {
1144 struct ipr_hostrcb_type_ff_error type_ff_error;
1145 struct ipr_hostrcb_type_01_error type_01_error;
1146 struct ipr_hostrcb_type_02_error type_02_error;
1147 struct ipr_hostrcb_type_03_error type_03_error;
1148 struct ipr_hostrcb_type_04_error type_04_error;
1149 struct ipr_hostrcb_type_07_error type_07_error;
1150 struct ipr_hostrcb_type_12_error type_12_error;
1151 struct ipr_hostrcb_type_13_error type_13_error;
1152 struct ipr_hostrcb_type_14_error type_14_error;
1153 struct ipr_hostrcb_type_17_error type_17_error;
1154 struct ipr_hostrcb_type_20_error type_20_error;
1155 } u;
1156 }__attribute__((packed, aligned (4)));
1157
1158 struct ipr_hostrcb64_error {
1159 __be32 fd_ioasc;
1160 __be32 ioa_fw_level;
1161 __be32 fd_res_handle;
1162 __be32 prc;
1163 __be64 fd_dev_id;
1164 __be64 fd_lun;
1165 u8 fd_res_path[8];
1166 __be64 time_stamp;
1167 u8 reserved[16];
1168 union {
1169 struct ipr_hostrcb_type_ff_error type_ff_error;
1170 struct ipr_hostrcb_type_12_error type_12_error;
1171 struct ipr_hostrcb_type_17_error type_17_error;
1172 struct ipr_hostrcb_type_21_error type_21_error;
1173 struct ipr_hostrcb_type_23_error type_23_error;
1174 struct ipr_hostrcb_type_24_error type_24_error;
1175 struct ipr_hostrcb_type_30_error type_30_error;
1176 } u;
1177 }__attribute__((packed, aligned (8)));
1178
1179 struct ipr_hostrcb_raw {
1180 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1181 }__attribute__((packed, aligned (4)));
1182
1183 struct ipr_hcam {
1184 u8 op_code;
1185 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1186 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1187
1188 u8 notify_type;
1189 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1190 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1191 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1192 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1193 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1194
1195 u8 notifications_lost;
1196 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1197 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1198
1199 u8 flags;
1200 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1201 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1202
1203 u8 overlay_id;
1204 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1205 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1206 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1207 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1208 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1209 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1210 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1211 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1212 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1213 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1214 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1215 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1216 #define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1217 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1218 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1219 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1220 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1221 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1222
1223 u8 reserved1[3];
1224 __be32 ilid;
1225 __be32 time_since_last_ioa_reset;
1226 __be32 reserved2;
1227 __be32 length;
1228
1229 union {
1230 struct ipr_hostrcb_error error;
1231 struct ipr_hostrcb64_error error64;
1232 struct ipr_hostrcb_cfg_ch_not ccn;
1233 struct ipr_hostrcb_raw raw;
1234 } u;
1235 }__attribute__((packed, aligned (4)));
1236
1237 struct ipr_hostrcb {
1238 struct ipr_hcam hcam;
1239 dma_addr_t hostrcb_dma;
1240 struct list_head queue;
1241 struct ipr_ioa_cfg *ioa_cfg;
1242 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1243 };
1244
1245 /* IPR smart dump table structures */
1246 struct ipr_sdt_entry {
1247 __be32 start_token;
1248 __be32 end_token;
1249 u8 reserved[4];
1250
1251 u8 flags;
1252 #define IPR_SDT_ENDIAN 0x80
1253 #define IPR_SDT_VALID_ENTRY 0x20
1254
1255 u8 resv;
1256 __be16 priority;
1257 }__attribute__((packed, aligned (4)));
1258
1259 struct ipr_sdt_header {
1260 __be32 state;
1261 __be32 num_entries;
1262 __be32 num_entries_used;
1263 __be32 dump_size;
1264 }__attribute__((packed, aligned (4)));
1265
1266 struct ipr_sdt {
1267 struct ipr_sdt_header hdr;
1268 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1269 }__attribute__((packed, aligned (4)));
1270
1271 struct ipr_uc_sdt {
1272 struct ipr_sdt_header hdr;
1273 struct ipr_sdt_entry entry[1];
1274 }__attribute__((packed, aligned (4)));
1275
1276 /*
1277 * Driver types
1278 */
1279 struct ipr_bus_attributes {
1280 u8 bus;
1281 u8 qas_enabled;
1282 u8 bus_width;
1283 u8 reserved;
1284 u32 max_xfer_rate;
1285 };
1286
1287 struct ipr_sata_port {
1288 struct ipr_ioa_cfg *ioa_cfg;
1289 struct ata_port *ap;
1290 struct ipr_resource_entry *res;
1291 struct ipr_ioasa_gata ioasa;
1292 };
1293
1294 struct ipr_resource_entry {
1295 u8 needs_sync_complete:1;
1296 u8 in_erp:1;
1297 u8 add_to_ml:1;
1298 u8 del_from_ml:1;
1299 u8 resetting_device:1;
1300 u8 reset_occurred:1;
1301 u8 raw_mode:1;
1302
1303 u32 bus; /* AKA channel */
1304 u32 target; /* AKA id */
1305 u32 lun;
1306 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1307 #define IPR_VSET_VIRTUAL_BUS 0x2
1308 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1309
1310 #define IPR_GET_RES_PHYS_LOC(res) \
1311 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1312
1313 u8 ata_class;
1314 u8 type;
1315
1316 u16 flags;
1317 u16 res_flags;
1318
1319 u8 qmodel;
1320 struct ipr_std_inq_data std_inq_data;
1321
1322 __be32 res_handle;
1323 __be64 dev_id;
1324 u64 lun_wwn;
1325 struct scsi_lun dev_lun;
1326 u8 res_path[8];
1327
1328 struct ipr_ioa_cfg *ioa_cfg;
1329 struct scsi_device *sdev;
1330 struct ipr_sata_port *sata_port;
1331 struct list_head queue;
1332 }; /* struct ipr_resource_entry */
1333
1334 struct ipr_resource_hdr {
1335 u16 num_entries;
1336 u16 reserved;
1337 };
1338
1339 struct ipr_misc_cbs {
1340 struct ipr_ioa_vpd ioa_vpd;
1341 struct ipr_inquiry_page0 page0_data;
1342 struct ipr_inquiry_page3 page3_data;
1343 struct ipr_inquiry_cap cap;
1344 struct ipr_inquiry_pageC4 pageC4_data;
1345 struct ipr_mode_pages mode_pages;
1346 struct ipr_supported_device supp_dev;
1347 };
1348
1349 struct ipr_interrupt_offsets {
1350 unsigned long set_interrupt_mask_reg;
1351 unsigned long clr_interrupt_mask_reg;
1352 unsigned long clr_interrupt_mask_reg32;
1353 unsigned long sense_interrupt_mask_reg;
1354 unsigned long sense_interrupt_mask_reg32;
1355 unsigned long clr_interrupt_reg;
1356 unsigned long clr_interrupt_reg32;
1357
1358 unsigned long sense_interrupt_reg;
1359 unsigned long sense_interrupt_reg32;
1360 unsigned long ioarrin_reg;
1361 unsigned long sense_uproc_interrupt_reg;
1362 unsigned long sense_uproc_interrupt_reg32;
1363 unsigned long set_uproc_interrupt_reg;
1364 unsigned long set_uproc_interrupt_reg32;
1365 unsigned long clr_uproc_interrupt_reg;
1366 unsigned long clr_uproc_interrupt_reg32;
1367
1368 unsigned long init_feedback_reg;
1369
1370 unsigned long dump_addr_reg;
1371 unsigned long dump_data_reg;
1372
1373 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1374 unsigned long endian_swap_reg;
1375 };
1376
1377 struct ipr_interrupts {
1378 void __iomem *set_interrupt_mask_reg;
1379 void __iomem *clr_interrupt_mask_reg;
1380 void __iomem *clr_interrupt_mask_reg32;
1381 void __iomem *sense_interrupt_mask_reg;
1382 void __iomem *sense_interrupt_mask_reg32;
1383 void __iomem *clr_interrupt_reg;
1384 void __iomem *clr_interrupt_reg32;
1385
1386 void __iomem *sense_interrupt_reg;
1387 void __iomem *sense_interrupt_reg32;
1388 void __iomem *ioarrin_reg;
1389 void __iomem *sense_uproc_interrupt_reg;
1390 void __iomem *sense_uproc_interrupt_reg32;
1391 void __iomem *set_uproc_interrupt_reg;
1392 void __iomem *set_uproc_interrupt_reg32;
1393 void __iomem *clr_uproc_interrupt_reg;
1394 void __iomem *clr_uproc_interrupt_reg32;
1395
1396 void __iomem *init_feedback_reg;
1397
1398 void __iomem *dump_addr_reg;
1399 void __iomem *dump_data_reg;
1400
1401 void __iomem *endian_swap_reg;
1402 };
1403
1404 struct ipr_chip_cfg_t {
1405 u32 mailbox;
1406 u16 max_cmds;
1407 u8 cache_line_size;
1408 u8 clear_isr;
1409 u32 iopoll_weight;
1410 struct ipr_interrupt_offsets regs;
1411 };
1412
1413 struct ipr_chip_t {
1414 u16 vendor;
1415 u16 device;
1416 bool has_msi;
1417 u16 sis_type;
1418 #define IPR_SIS32 0x00
1419 #define IPR_SIS64 0x01
1420 u16 bist_method;
1421 #define IPR_PCI_CFG 0x00
1422 #define IPR_MMIO 0x01
1423 const struct ipr_chip_cfg_t *cfg;
1424 };
1425
1426 enum ipr_shutdown_type {
1427 IPR_SHUTDOWN_NORMAL = 0x00,
1428 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1429 IPR_SHUTDOWN_ABBREV = 0x80,
1430 IPR_SHUTDOWN_NONE = 0x100,
1431 IPR_SHUTDOWN_QUIESCE = 0x101,
1432 };
1433
1434 struct ipr_trace_entry {
1435 u32 time;
1436
1437 u8 op_code;
1438 u8 ata_op_code;
1439 u8 type;
1440 #define IPR_TRACE_START 0x00
1441 #define IPR_TRACE_FINISH 0xff
1442 u8 cmd_index;
1443
1444 __be32 res_handle;
1445 union {
1446 u32 ioasc;
1447 u32 add_data;
1448 u32 res_addr;
1449 } u;
1450 };
1451
1452 struct ipr_sglist {
1453 u32 order;
1454 u32 num_sg;
1455 u32 num_dma_sg;
1456 u32 buffer_len;
1457 struct scatterlist scatterlist[1];
1458 };
1459
1460 enum ipr_sdt_state {
1461 INACTIVE,
1462 WAIT_FOR_DUMP,
1463 GET_DUMP,
1464 READ_DUMP,
1465 ABORT_DUMP,
1466 DUMP_OBTAINED
1467 };
1468
1469 /* Per-controller data */
1470 struct ipr_ioa_cfg {
1471 char eye_catcher[8];
1472 #define IPR_EYECATCHER "iprcfg"
1473
1474 struct list_head queue;
1475
1476 u8 in_reset_reload:1;
1477 u8 in_ioa_bringdown:1;
1478 u8 ioa_unit_checked:1;
1479 u8 dump_taken:1;
1480 u8 scan_enabled:1;
1481 u8 scan_done:1;
1482 u8 needs_hard_reset:1;
1483 u8 dual_raid:1;
1484 u8 needs_warm_reset:1;
1485 u8 msi_received:1;
1486 u8 sis64:1;
1487 u8 dump_timeout:1;
1488 u8 cfg_locked:1;
1489 u8 clear_isr:1;
1490 u8 probe_done:1;
1491 u8 scsi_unblock:1;
1492 u8 scsi_blocked:1;
1493
1494 u8 revid;
1495
1496 /*
1497 * Bitmaps for SIS64 generated target values
1498 */
1499 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1500 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1501 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1502
1503 u16 type; /* CCIN of the card */
1504
1505 u8 log_level;
1506 #define IPR_MAX_LOG_LEVEL 4
1507 #define IPR_DEFAULT_LOG_LEVEL 2
1508 #define IPR_DEBUG_LOG_LEVEL 3
1509
1510 #define IPR_NUM_TRACE_INDEX_BITS 8
1511 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1512 #define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1513 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1514 char trace_start[8];
1515 #define IPR_TRACE_START_LABEL "trace"
1516 struct ipr_trace_entry *trace;
1517 atomic_t trace_index;
1518
1519 char cfg_table_start[8];
1520 #define IPR_CFG_TBL_START "cfg"
1521 union {
1522 struct ipr_config_table *cfg_table;
1523 struct ipr_config_table64 *cfg_table64;
1524 } u;
1525 dma_addr_t cfg_table_dma;
1526 u32 cfg_table_size;
1527 u32 max_devs_supported;
1528
1529 char resource_table_label[8];
1530 #define IPR_RES_TABLE_LABEL "res_tbl"
1531 struct ipr_resource_entry *res_entries;
1532 struct list_head free_res_q;
1533 struct list_head used_res_q;
1534
1535 char ipr_hcam_label[8];
1536 #define IPR_HCAM_LABEL "hcams"
1537 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1538 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1539 struct list_head hostrcb_free_q;
1540 struct list_head hostrcb_pending_q;
1541 struct list_head hostrcb_report_q;
1542
1543 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1544 u32 hrrq_num;
1545 atomic_t hrrq_index;
1546 u16 identify_hrrq_index;
1547
1548 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1549
1550 unsigned int transop_timeout;
1551 const struct ipr_chip_cfg_t *chip_cfg;
1552 const struct ipr_chip_t *ipr_chip;
1553
1554 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1555 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1556 void __iomem *ioa_mailbox;
1557 struct ipr_interrupts regs;
1558
1559 u16 saved_pcix_cmd_reg;
1560 u16 reset_retries;
1561
1562 u32 errors_logged;
1563 u32 doorbell;
1564
1565 struct Scsi_Host *host;
1566 struct pci_dev *pdev;
1567 struct ipr_sglist *ucode_sglist;
1568 u8 saved_mode_page_len;
1569
1570 struct work_struct work_q;
1571 struct workqueue_struct *reset_work_q;
1572
1573 wait_queue_head_t reset_wait_q;
1574 wait_queue_head_t msi_wait_q;
1575 wait_queue_head_t eeh_wait_q;
1576
1577 struct ipr_dump *dump;
1578 enum ipr_sdt_state sdt_state;
1579
1580 struct ipr_misc_cbs *vpd_cbs;
1581 dma_addr_t vpd_cbs_dma;
1582
1583 struct dma_pool *ipr_cmd_pool;
1584
1585 struct ipr_cmnd *reset_cmd;
1586 int (*reset) (struct ipr_cmnd *);
1587
1588 struct ata_host ata_host;
1589 char ipr_cmd_label[8];
1590 #define IPR_CMD_LABEL "ipr_cmd"
1591 u32 max_cmds;
1592 struct ipr_cmnd **ipr_cmnd_list;
1593 dma_addr_t *ipr_cmnd_list_dma;
1594
1595 unsigned int nvectors;
1596
1597 struct {
1598 char desc[22];
1599 } vectors_info[IPR_MAX_MSIX_VECTORS];
1600
1601 u32 iopoll_weight;
1602
1603 }; /* struct ipr_ioa_cfg */
1604
1605 struct ipr_cmnd {
1606 struct ipr_ioarcb ioarcb;
1607 union {
1608 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1609 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1610 struct ipr_ata64_ioadl ata_ioadl;
1611 } i;
1612 union {
1613 struct ipr_ioasa ioasa;
1614 struct ipr_ioasa64 ioasa64;
1615 } s;
1616 struct list_head queue;
1617 struct scsi_cmnd *scsi_cmd;
1618 struct ata_queued_cmd *qc;
1619 struct completion completion;
1620 struct timer_list timer;
1621 struct work_struct work;
1622 void (*fast_done) (struct ipr_cmnd *);
1623 void (*done) (struct ipr_cmnd *);
1624 int (*job_step) (struct ipr_cmnd *);
1625 int (*job_step_failed) (struct ipr_cmnd *);
1626 u16 cmd_index;
1627 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1628 dma_addr_t sense_buffer_dma;
1629 unsigned short dma_use_sg;
1630 dma_addr_t dma_addr;
1631 struct ipr_cmnd *sibling;
1632 union {
1633 enum ipr_shutdown_type shutdown_type;
1634 struct ipr_hostrcb *hostrcb;
1635 unsigned long time_left;
1636 unsigned long scratch;
1637 struct ipr_resource_entry *res;
1638 struct scsi_device *sdev;
1639 } u;
1640
1641 struct completion *eh_comp;
1642 struct ipr_hrr_queue *hrrq;
1643 struct ipr_ioa_cfg *ioa_cfg;
1644 };
1645
1646 struct ipr_ses_table_entry {
1647 char product_id[17];
1648 char compare_product_id_byte[17];
1649 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1650 };
1651
1652 struct ipr_dump_header {
1653 u32 eye_catcher;
1654 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1655 u32 len;
1656 u32 num_entries;
1657 u32 first_entry_offset;
1658 u32 status;
1659 #define IPR_DUMP_STATUS_SUCCESS 0
1660 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1661 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1662 u32 os;
1663 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1664 u32 driver_name;
1665 #define IPR_DUMP_DRIVER_NAME 0x49505232
1666 }__attribute__((packed, aligned (4)));
1667
1668 struct ipr_dump_entry_header {
1669 u32 eye_catcher;
1670 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1671 u32 len;
1672 u32 num_elems;
1673 u32 offset;
1674 u32 data_type;
1675 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1676 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1677 u32 id;
1678 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1679 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1680 #define IPR_DUMP_TRACE_ID 0x54524143
1681 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1682 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1683 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1684 #define IPR_DUMP_PEND_OPS 0x414F5053
1685 u32 status;
1686 }__attribute__((packed, aligned (4)));
1687
1688 struct ipr_dump_location_entry {
1689 struct ipr_dump_entry_header hdr;
1690 u8 location[20];
1691 }__attribute__((packed));
1692
1693 struct ipr_dump_trace_entry {
1694 struct ipr_dump_entry_header hdr;
1695 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1696 }__attribute__((packed, aligned (4)));
1697
1698 struct ipr_dump_version_entry {
1699 struct ipr_dump_entry_header hdr;
1700 u8 version[sizeof(IPR_DRIVER_VERSION)];
1701 };
1702
1703 struct ipr_dump_ioa_type_entry {
1704 struct ipr_dump_entry_header hdr;
1705 u32 type;
1706 u32 fw_version;
1707 };
1708
1709 struct ipr_driver_dump {
1710 struct ipr_dump_header hdr;
1711 struct ipr_dump_version_entry version_entry;
1712 struct ipr_dump_location_entry location_entry;
1713 struct ipr_dump_ioa_type_entry ioa_type_entry;
1714 struct ipr_dump_trace_entry trace_entry;
1715 }__attribute__((packed));
1716
1717 struct ipr_ioa_dump {
1718 struct ipr_dump_entry_header hdr;
1719 struct ipr_sdt sdt;
1720 __be32 **ioa_data;
1721 u32 reserved;
1722 u32 next_page_index;
1723 u32 page_offset;
1724 u32 format;
1725 }__attribute__((packed, aligned (4)));
1726
1727 struct ipr_dump {
1728 struct kref kref;
1729 struct ipr_ioa_cfg *ioa_cfg;
1730 struct ipr_driver_dump driver_dump;
1731 struct ipr_ioa_dump ioa_dump;
1732 };
1733
1734 struct ipr_error_table_t {
1735 u32 ioasc;
1736 int log_ioasa;
1737 int log_hcam;
1738 char *error;
1739 };
1740
1741 struct ipr_software_inq_lid_info {
1742 __be32 load_id;
1743 __be32 timestamp[3];
1744 }__attribute__((packed, aligned (4)));
1745
1746 struct ipr_ucode_image_header {
1747 __be32 header_length;
1748 __be32 lid_table_offset;
1749 u8 major_release;
1750 u8 card_type;
1751 u8 minor_release[2];
1752 u8 reserved[20];
1753 char eyecatcher[16];
1754 __be32 num_lids;
1755 struct ipr_software_inq_lid_info lid[1];
1756 }__attribute__((packed, aligned (4)));
1757
1758 /*
1759 * Macros
1760 */
1761 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1762
1763 #ifdef CONFIG_SCSI_IPR_TRACE
1764 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1765 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1766 #else
1767 #define ipr_create_trace_file(kobj, attr) 0
1768 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1769 #endif
1770
1771 #ifdef CONFIG_SCSI_IPR_DUMP
1772 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1773 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1774 #else
1775 #define ipr_create_dump_file(kobj, attr) 0
1776 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1777 #endif
1778
1779 /*
1780 * Error logging macros
1781 */
1782 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1783 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1784 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1785
1786 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1787 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1788 bus, target, lun, ##__VA_ARGS__)
1789
1790 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1791 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1792
1793 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1794 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1795 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1796
1797 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1798 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1799
1800 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1801 { \
1802 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1803 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1804 } else { \
1805 ipr_err(fmt": %d:%d:%d:%d\n", \
1806 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1807 (res).bus, (res).target, (res).lun); \
1808 } \
1809 }
1810
1811 #define ipr_hcam_err(hostrcb, fmt, ...) \
1812 { \
1813 if (ipr_is_device(hostrcb)) { \
1814 if ((hostrcb)->ioa_cfg->sis64) { \
1815 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1816 ipr_format_res_path(hostrcb->ioa_cfg, \
1817 hostrcb->hcam.u.error64.fd_res_path, \
1818 hostrcb->rp_buffer, \
1819 sizeof(hostrcb->rp_buffer)), \
1820 __VA_ARGS__); \
1821 } else { \
1822 ipr_ra_err((hostrcb)->ioa_cfg, \
1823 (hostrcb)->hcam.u.error.fd_res_addr, \
1824 fmt, __VA_ARGS__); \
1825 } \
1826 } else { \
1827 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1828 } \
1829 }
1830
1831 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1832 __FILE__, __func__, __LINE__)
1833
1834 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1835 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1836
1837 #define ipr_err_separator \
1838 ipr_err("----------------------------------------------------------\n")
1839
1840
1841 /*
1842 * Inlines
1843 */
1844
1845 /**
1846 * ipr_is_ioa_resource - Determine if a resource is the IOA
1847 * @res: resource entry struct
1848 *
1849 * Return value:
1850 * 1 if IOA / 0 if not IOA
1851 **/
1852 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1853 {
1854 return res->type == IPR_RES_TYPE_IOAFP;
1855 }
1856
1857 /**
1858 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1859 * @res: resource entry struct
1860 *
1861 * Return value:
1862 * 1 if AF DASD / 0 if not AF DASD
1863 **/
1864 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1865 {
1866 return res->type == IPR_RES_TYPE_AF_DASD ||
1867 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1868 }
1869
1870 /**
1871 * ipr_is_vset_device - Determine if a resource is a VSET
1872 * @res: resource entry struct
1873 *
1874 * Return value:
1875 * 1 if VSET / 0 if not VSET
1876 **/
1877 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1878 {
1879 return res->type == IPR_RES_TYPE_VOLUME_SET;
1880 }
1881
1882 /**
1883 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1884 * @res: resource entry struct
1885 *
1886 * Return value:
1887 * 1 if GSCSI / 0 if not GSCSI
1888 **/
1889 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1890 {
1891 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1892 }
1893
1894 /**
1895 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1896 * @res: resource entry struct
1897 *
1898 * Return value:
1899 * 1 if SCSI disk / 0 if not SCSI disk
1900 **/
1901 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1902 {
1903 if (ipr_is_af_dasd_device(res) ||
1904 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1905 return 1;
1906 else
1907 return 0;
1908 }
1909
1910 /**
1911 * ipr_is_gata - Determine if a resource is a generic ATA resource
1912 * @res: resource entry struct
1913 *
1914 * Return value:
1915 * 1 if GATA / 0 if not GATA
1916 **/
1917 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1918 {
1919 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1920 }
1921
1922 /**
1923 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1924 * @res: resource entry struct
1925 *
1926 * Return value:
1927 * 1 if NACA queueing model / 0 if not NACA queueing model
1928 **/
1929 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1930 {
1931 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1932 return 1;
1933 return 0;
1934 }
1935
1936 /**
1937 * ipr_is_device - Determine if the hostrcb structure is related to a device
1938 * @hostrcb: host resource control blocks struct
1939 *
1940 * Return value:
1941 * 1 if AF / 0 if not AF
1942 **/
1943 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1944 {
1945 struct ipr_res_addr *res_addr;
1946 u8 *res_path;
1947
1948 if (hostrcb->ioa_cfg->sis64) {
1949 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1950 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1951 res_path[0] == 0x81) && res_path[2] != 0xFF)
1952 return 1;
1953 } else {
1954 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1955
1956 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1957 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1958 return 1;
1959 }
1960 return 0;
1961 }
1962
1963 /**
1964 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1965 * @sdt_word: SDT address
1966 *
1967 * Return value:
1968 * 1 if format 2 / 0 if not
1969 **/
1970 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1971 {
1972 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1973
1974 switch (bar_sel) {
1975 case IPR_SDT_FMT2_BAR0_SEL:
1976 case IPR_SDT_FMT2_BAR1_SEL:
1977 case IPR_SDT_FMT2_BAR2_SEL:
1978 case IPR_SDT_FMT2_BAR3_SEL:
1979 case IPR_SDT_FMT2_BAR4_SEL:
1980 case IPR_SDT_FMT2_BAR5_SEL:
1981 case IPR_SDT_FMT2_EXP_ROM_SEL:
1982 return 1;
1983 };
1984
1985 return 0;
1986 }
1987
1988 #ifndef writeq
1989 static inline void writeq(u64 val, void __iomem *addr)
1990 {
1991 writel(((u32) (val >> 32)), addr);
1992 writel(((u32) (val)), (addr + 4));
1993 }
1994 #endif
1995
1996 #endif /* _IPR_H */
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