xref: /openbmc/linux/drivers/scsi/ipr.h (revision e23feb16)
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 */
1943