xref: /openbmc/linux/drivers/scsi/ipr.h (revision 94c7b6fc)
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_57DA    0x04CA
105 #define IPR_SUBS_DEV_ID_57EB    0x0474
106 #define IPR_SUBS_DEV_ID_57EC    0x0475
107 #define IPR_SUBS_DEV_ID_57ED    0x0499
108 #define IPR_SUBS_DEV_ID_57EE    0x049A
109 #define IPR_SUBS_DEV_ID_57EF    0x049B
110 #define IPR_SUBS_DEV_ID_57F0    0x049C
111 #define IPR_SUBS_DEV_ID_2CCA	0x04C7
112 #define IPR_SUBS_DEV_ID_2CD2	0x04C8
113 #define IPR_SUBS_DEV_ID_2CCD	0x04C9
114 #define IPR_NAME				"ipr"
115 
116 /*
117  * Return codes
118  */
119 #define IPR_RC_JOB_CONTINUE		1
120 #define IPR_RC_JOB_RETURN		2
121 
122 /*
123  * IOASCs
124  */
125 #define IPR_IOASC_NR_INIT_CMD_REQUIRED		0x02040200
126 #define IPR_IOASC_NR_IOA_RESET_REQUIRED		0x02048000
127 #define IPR_IOASC_SYNC_REQUIRED			0x023f0000
128 #define IPR_IOASC_MED_DO_NOT_REALLOC		0x03110C00
129 #define IPR_IOASC_HW_SEL_TIMEOUT			0x04050000
130 #define IPR_IOASC_HW_DEV_BUS_STATUS			0x04448500
131 #define	IPR_IOASC_IOASC_MASK			0xFFFFFF00
132 #define	IPR_IOASC_SCSI_STATUS_MASK		0x000000FF
133 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000
134 #define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000
135 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100
136 #define IPR_IOASA_IR_DUAL_IOA_DISABLED		0x052C8000
137 #define IPR_IOASC_BUS_WAS_RESET			0x06290000
138 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER		0x06298000
139 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST	0x0B5A0000
140 
141 #define IPR_FIRST_DRIVER_IOASC			0x10000000
142 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
143 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
144 
145 /* Driver data flags */
146 #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
147 #define IPR_USE_PCI_WARM_RESET			0x00000002
148 
149 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
150 #define IPR_NUM_LOG_HCAMS				2
151 #define IPR_NUM_CFG_CHG_HCAMS				2
152 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
153 
154 #define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
155 #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
156 
157 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
158 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
159 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET	8
160 #define IPR_VSET_BUS					0xff
161 #define IPR_IOA_BUS						0xff
162 #define IPR_IOA_TARGET					0xff
163 #define IPR_IOA_LUN						0xff
164 #define IPR_MAX_NUM_BUSES				16
165 #define IPR_MAX_BUS_TO_SCAN				IPR_MAX_NUM_BUSES
166 
167 #define IPR_NUM_RESET_RELOAD_RETRIES		3
168 
169 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
170 #define IPR_NUM_INTERNAL_CMD_BLKS	(IPR_NUM_HCAMS + \
171                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
172 
173 #define IPR_MAX_COMMANDS		100
174 #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
175 						IPR_NUM_INTERNAL_CMD_BLKS)
176 
177 #define IPR_MAX_PHYSICAL_DEVS				192
178 #define IPR_DEFAULT_SIS64_DEVS				1024
179 #define IPR_MAX_SIS64_DEVS				4096
180 
181 #define IPR_MAX_SGLIST					64
182 #define IPR_IOA_MAX_SECTORS				32767
183 #define IPR_VSET_MAX_SECTORS				512
184 #define IPR_MAX_CDB_LEN					16
185 #define IPR_MAX_HRRQ_RETRIES				3
186 
187 #define IPR_DEFAULT_BUS_WIDTH				16
188 #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
189 #define IPR_U160_SCSI_RATE	((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
190 #define IPR_U320_SCSI_RATE	((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
191 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
192 
193 #define IPR_IOA_RES_HANDLE				0xffffffff
194 #define IPR_INVALID_RES_HANDLE			0
195 #define IPR_IOA_RES_ADDR				0x00ffffff
196 
197 /*
198  * Adapter Commands
199  */
200 #define IPR_QUERY_RSRC_STATE				0xC2
201 #define IPR_RESET_DEVICE				0xC3
202 #define	IPR_RESET_TYPE_SELECT				0x80
203 #define	IPR_LUN_RESET					0x40
204 #define	IPR_TARGET_RESET					0x20
205 #define	IPR_BUS_RESET					0x10
206 #define	IPR_ATA_PHY_RESET					0x80
207 #define IPR_ID_HOST_RR_Q				0xC4
208 #define IPR_QUERY_IOA_CONFIG				0xC5
209 #define IPR_CANCEL_ALL_REQUESTS			0xCE
210 #define IPR_HOST_CONTROLLED_ASYNC			0xCF
211 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
212 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
213 #define IPR_SET_SUPPORTED_DEVICES			0xFB
214 #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
215 #define IPR_IOA_SHUTDOWN				0xF7
216 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
217 
218 /*
219  * Timeouts
220  */
221 #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
222 #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
223 #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)
224 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)
225 #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
226 #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
227 #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
228 #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
229 #define IPR_WRITE_BUFFER_TIMEOUT		(30 * 60 * HZ)
230 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
231 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
232 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
233 #define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)
234 #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
235 #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
236 #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)
237 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT	(120 * HZ)
238 #define IPR_PCI_RESET_TIMEOUT			(HZ / 2)
239 #define IPR_SIS32_DUMP_TIMEOUT			(15 * HZ)
240 #define IPR_SIS64_DUMP_TIMEOUT			(40 * HZ)
241 #define IPR_DUMP_DELAY_SECONDS			4
242 #define IPR_DUMP_DELAY_TIMEOUT			(IPR_DUMP_DELAY_SECONDS * HZ)
243 
244 /*
245  * SCSI Literals
246  */
247 #define IPR_VENDOR_ID_LEN			8
248 #define IPR_PROD_ID_LEN				16
249 #define IPR_SERIAL_NUM_LEN			8
250 
251 /*
252  * Hardware literals
253  */
254 #define IPR_FMT2_MBX_ADDR_MASK				0x0fffffff
255 #define IPR_FMT2_MBX_BAR_SEL_MASK			0xf0000000
256 #define IPR_FMT2_MKR_BAR_SEL_SHIFT			28
257 #define IPR_GET_FMT2_BAR_SEL(mbx) \
258 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
259 #define IPR_SDT_FMT2_BAR0_SEL				0x0
260 #define IPR_SDT_FMT2_BAR1_SEL				0x1
261 #define IPR_SDT_FMT2_BAR2_SEL				0x2
262 #define IPR_SDT_FMT2_BAR3_SEL				0x3
263 #define IPR_SDT_FMT2_BAR4_SEL				0x4
264 #define IPR_SDT_FMT2_BAR5_SEL				0x5
265 #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
266 #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2
267 #define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3
268 #define IPR_DOORBELL					0x82800000
269 #define IPR_RUNTIME_RESET				0x40000000
270 
271 #define IPR_IPL_INIT_MIN_STAGE_TIME			5
272 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 15
273 #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
274 #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
275 #define IPR_IPL_INIT_STAGE_MASK				0xff000000
276 #define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
277 #define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)
278 
279 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
280 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
281 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
282 #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
283 #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
284 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
285 #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
286 #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
287 #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
288 #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
289 #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
290 
291 #define IPR_PCII_ERROR_INTERRUPTS \
292 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
293 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
294 
295 #define IPR_PCII_OPER_INTERRUPTS \
296 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
297 
298 #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
299 #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)
300 #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)
301 
302 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
303 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
304 
305 /*
306  * Dump literals
307  */
308 #define IPR_FMT2_MAX_IOA_DUMP_SIZE			(4 * 1024 * 1024)
309 #define IPR_FMT3_MAX_IOA_DUMP_SIZE			(80 * 1024 * 1024)
310 #define IPR_FMT2_NUM_SDT_ENTRIES			511
311 #define IPR_FMT3_NUM_SDT_ENTRIES			0xFFF
312 #define IPR_FMT2_MAX_NUM_DUMP_PAGES	((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
313 #define IPR_FMT3_MAX_NUM_DUMP_PAGES	((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
314 
315 /*
316  * Misc literals
317  */
318 #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
319 #define IPR_MAX_MSIX_VECTORS		0x10
320 #define IPR_MAX_HRRQ_NUM		0x10
321 #define IPR_INIT_HRRQ			0x0
322 
323 /*
324  * Adapter interface types
325  */
326 
327 struct ipr_res_addr {
328 	u8 reserved;
329 	u8 bus;
330 	u8 target;
331 	u8 lun;
332 #define IPR_GET_PHYS_LOC(res_addr) \
333 	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
334 }__attribute__((packed, aligned (4)));
335 
336 struct ipr_std_inq_vpids {
337 	u8 vendor_id[IPR_VENDOR_ID_LEN];
338 	u8 product_id[IPR_PROD_ID_LEN];
339 }__attribute__((packed));
340 
341 struct ipr_vpd {
342 	struct ipr_std_inq_vpids vpids;
343 	u8 sn[IPR_SERIAL_NUM_LEN];
344 }__attribute__((packed));
345 
346 struct ipr_ext_vpd {
347 	struct ipr_vpd vpd;
348 	__be32 wwid[2];
349 }__attribute__((packed));
350 
351 struct ipr_ext_vpd64 {
352 	struct ipr_vpd vpd;
353 	__be32 wwid[4];
354 }__attribute__((packed));
355 
356 struct ipr_std_inq_data {
357 	u8 peri_qual_dev_type;
358 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
359 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
360 
361 	u8 removeable_medium_rsvd;
362 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
363 
364 #define IPR_IS_DASD_DEVICE(std_inq) \
365 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
366 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
367 
368 #define IPR_IS_SES_DEVICE(std_inq) \
369 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
370 
371 	u8 version;
372 	u8 aen_naca_fmt;
373 	u8 additional_len;
374 	u8 sccs_rsvd;
375 	u8 bq_enc_multi;
376 	u8 sync_cmdq_flags;
377 
378 	struct ipr_std_inq_vpids vpids;
379 
380 	u8 ros_rsvd_ram_rsvd[4];
381 
382 	u8 serial_num[IPR_SERIAL_NUM_LEN];
383 }__attribute__ ((packed));
384 
385 #define IPR_RES_TYPE_AF_DASD		0x00
386 #define IPR_RES_TYPE_GENERIC_SCSI	0x01
387 #define IPR_RES_TYPE_VOLUME_SET		0x02
388 #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
389 #define IPR_RES_TYPE_GENERIC_ATA	0x04
390 #define IPR_RES_TYPE_ARRAY		0x05
391 #define IPR_RES_TYPE_IOAFP		0xff
392 
393 struct ipr_config_table_entry {
394 	u8 proto;
395 #define IPR_PROTO_SATA			0x02
396 #define IPR_PROTO_SATA_ATAPI		0x03
397 #define IPR_PROTO_SAS_STP		0x06
398 #define IPR_PROTO_SAS_STP_ATAPI		0x07
399 	u8 array_id;
400 	u8 flags;
401 #define IPR_IS_IOA_RESOURCE		0x80
402 	u8 rsvd_subtype;
403 
404 #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
405 #define IPR_QUEUE_FROZEN_MODEL		0
406 #define IPR_QUEUE_NACA_MODEL		1
407 
408 	struct ipr_res_addr res_addr;
409 	__be32 res_handle;
410 	__be32 lun_wwn[2];
411 	struct ipr_std_inq_data std_inq_data;
412 }__attribute__ ((packed, aligned (4)));
413 
414 struct ipr_config_table_entry64 {
415 	u8 res_type;
416 	u8 proto;
417 	u8 vset_num;
418 	u8 array_id;
419 	__be16 flags;
420 	__be16 res_flags;
421 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
422 	__be32 res_handle;
423 	u8 dev_id_type;
424 	u8 reserved[3];
425 	__be64 dev_id;
426 	__be64 lun;
427 	__be64 lun_wwn[2];
428 #define IPR_MAX_RES_PATH_LENGTH		48
429 	__be64 res_path;
430 	struct ipr_std_inq_data std_inq_data;
431 	u8 reserved2[4];
432 	__be64 reserved3[2];
433 	u8 reserved4[8];
434 }__attribute__ ((packed, aligned (8)));
435 
436 struct ipr_config_table_hdr {
437 	u8 num_entries;
438 	u8 flags;
439 #define IPR_UCODE_DOWNLOAD_REQ	0x10
440 	__be16 reserved;
441 }__attribute__((packed, aligned (4)));
442 
443 struct ipr_config_table_hdr64 {
444 	__be16 num_entries;
445 	__be16 reserved;
446 	u8 flags;
447 	u8 reserved2[11];
448 }__attribute__((packed, aligned (4)));
449 
450 struct ipr_config_table {
451 	struct ipr_config_table_hdr hdr;
452 	struct ipr_config_table_entry dev[0];
453 }__attribute__((packed, aligned (4)));
454 
455 struct ipr_config_table64 {
456 	struct ipr_config_table_hdr64 hdr64;
457 	struct ipr_config_table_entry64 dev[0];
458 }__attribute__((packed, aligned (8)));
459 
460 struct ipr_config_table_entry_wrapper {
461 	union {
462 		struct ipr_config_table_entry *cfgte;
463 		struct ipr_config_table_entry64 *cfgte64;
464 	} u;
465 };
466 
467 struct ipr_hostrcb_cfg_ch_not {
468 	union {
469 		struct ipr_config_table_entry cfgte;
470 		struct ipr_config_table_entry64 cfgte64;
471 	} u;
472 	u8 reserved[936];
473 }__attribute__((packed, aligned (4)));
474 
475 struct ipr_supported_device {
476 	__be16 data_length;
477 	u8 reserved;
478 	u8 num_records;
479 	struct ipr_std_inq_vpids vpids;
480 	u8 reserved2[16];
481 }__attribute__((packed, aligned (4)));
482 
483 struct ipr_hrr_queue {
484 	struct ipr_ioa_cfg *ioa_cfg;
485 	__be32 *host_rrq;
486 	dma_addr_t host_rrq_dma;
487 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
488 #define IPR_HRRQ_RESP_BIT_SET		0x00000002
489 #define IPR_HRRQ_TOGGLE_BIT		0x00000001
490 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
491 #define IPR_ID_HRRQ_SELE_ENABLE		0x02
492 	volatile __be32 *hrrq_start;
493 	volatile __be32 *hrrq_end;
494 	volatile __be32 *hrrq_curr;
495 
496 	struct list_head hrrq_free_q;
497 	struct list_head hrrq_pending_q;
498 	spinlock_t _lock;
499 	spinlock_t *lock;
500 
501 	volatile u32 toggle_bit;
502 	u32 size;
503 	u32 min_cmd_id;
504 	u32 max_cmd_id;
505 	u8 allow_interrupts:1;
506 	u8 ioa_is_dead:1;
507 	u8 allow_cmds:1;
508 	u8 removing_ioa:1;
509 
510 	struct blk_iopoll iopoll;
511 };
512 
513 /* Command packet structure */
514 struct ipr_cmd_pkt {
515 	u8 reserved;		/* Reserved by IOA */
516 	u8 hrrq_id;
517 	u8 request_type;
518 #define IPR_RQTYPE_SCSICDB		0x00
519 #define IPR_RQTYPE_IOACMD		0x01
520 #define IPR_RQTYPE_HCAM			0x02
521 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
522 
523 	u8 reserved2;
524 
525 	u8 flags_hi;
526 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
527 #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
528 #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
529 #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
530 #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
531 
532 	u8 flags_lo;
533 #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
534 #define IPR_FLAGS_LO_DELAY_AFTER_RST		0x10
535 #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
536 #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
537 #define IPR_FLAGS_LO_ORDERED_TASK		0x04
538 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
539 #define IPR_FLAGS_LO_ACA_TASK			0x08
540 
541 	u8 cdb[16];
542 	__be16 timeout;
543 }__attribute__ ((packed, aligned(4)));
544 
545 struct ipr_ioarcb_ata_regs {	/* 22 bytes */
546 	u8 flags;
547 #define IPR_ATA_FLAG_PACKET_CMD			0x80
548 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
549 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
550 	u8 reserved[3];
551 
552 	__be16 data;
553 	u8 feature;
554 	u8 nsect;
555 	u8 lbal;
556 	u8 lbam;
557 	u8 lbah;
558 	u8 device;
559 	u8 command;
560 	u8 reserved2[3];
561 	u8 hob_feature;
562 	u8 hob_nsect;
563 	u8 hob_lbal;
564 	u8 hob_lbam;
565 	u8 hob_lbah;
566 	u8 ctl;
567 }__attribute__ ((packed, aligned(2)));
568 
569 struct ipr_ioadl_desc {
570 	__be32 flags_and_data_len;
571 #define IPR_IOADL_FLAGS_MASK		0xff000000
572 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
573 #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
574 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
575 #define IPR_IOADL_FLAGS_READ		0x48000000
576 #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
577 #define IPR_IOADL_FLAGS_WRITE		0x68000000
578 #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
579 #define IPR_IOADL_FLAGS_LAST		0x01000000
580 
581 	__be32 address;
582 }__attribute__((packed, aligned (8)));
583 
584 struct ipr_ioadl64_desc {
585 	__be32 flags;
586 	__be32 data_len;
587 	__be64 address;
588 }__attribute__((packed, aligned (16)));
589 
590 struct ipr_ata64_ioadl {
591 	struct ipr_ioarcb_ata_regs regs;
592 	u16 reserved[5];
593 	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
594 }__attribute__((packed, aligned (16)));
595 
596 struct ipr_ioarcb_add_data {
597 	union {
598 		struct ipr_ioarcb_ata_regs regs;
599 		struct ipr_ioadl_desc ioadl[5];
600 		__be32 add_cmd_parms[10];
601 	} u;
602 }__attribute__ ((packed, aligned (4)));
603 
604 struct ipr_ioarcb_sis64_add_addr_ecb {
605 	__be64 ioasa_host_pci_addr;
606 	__be64 data_ioadl_addr;
607 	__be64 reserved;
608 	__be32 ext_control_buf[4];
609 }__attribute__((packed, aligned (8)));
610 
611 /* IOA Request Control Block    128 bytes  */
612 struct ipr_ioarcb {
613 	union {
614 		__be32 ioarcb_host_pci_addr;
615 		__be64 ioarcb_host_pci_addr64;
616 	} a;
617 	__be32 res_handle;
618 	__be32 host_response_handle;
619 	__be32 reserved1;
620 	__be32 reserved2;
621 	__be32 reserved3;
622 
623 	__be32 data_transfer_length;
624 	__be32 read_data_transfer_length;
625 	__be32 write_ioadl_addr;
626 	__be32 ioadl_len;
627 	__be32 read_ioadl_addr;
628 	__be32 read_ioadl_len;
629 
630 	__be32 ioasa_host_pci_addr;
631 	__be16 ioasa_len;
632 	__be16 reserved4;
633 
634 	struct ipr_cmd_pkt cmd_pkt;
635 
636 	__be16 add_cmd_parms_offset;
637 	__be16 add_cmd_parms_len;
638 
639 	union {
640 		struct ipr_ioarcb_add_data add_data;
641 		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
642 	} u;
643 
644 }__attribute__((packed, aligned (4)));
645 
646 struct ipr_ioasa_vset {
647 	__be32 failing_lba_hi;
648 	__be32 failing_lba_lo;
649 	__be32 reserved;
650 }__attribute__((packed, aligned (4)));
651 
652 struct ipr_ioasa_af_dasd {
653 	__be32 failing_lba;
654 	__be32 reserved[2];
655 }__attribute__((packed, aligned (4)));
656 
657 struct ipr_ioasa_gpdd {
658 	u8 end_state;
659 	u8 bus_phase;
660 	__be16 reserved;
661 	__be32 ioa_data[2];
662 }__attribute__((packed, aligned (4)));
663 
664 struct ipr_ioasa_gata {
665 	u8 error;
666 	u8 nsect;		/* Interrupt reason */
667 	u8 lbal;
668 	u8 lbam;
669 	u8 lbah;
670 	u8 device;
671 	u8 status;
672 	u8 alt_status;	/* ATA CTL */
673 	u8 hob_nsect;
674 	u8 hob_lbal;
675 	u8 hob_lbam;
676 	u8 hob_lbah;
677 }__attribute__((packed, aligned (4)));
678 
679 struct ipr_auto_sense {
680 	__be16 auto_sense_len;
681 	__be16 ioa_data_len;
682 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
683 };
684 
685 struct ipr_ioasa_hdr {
686 	__be32 ioasc;
687 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
688 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
689 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
690 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
691 
692 	__be16 ret_stat_len;	/* Length of the returned IOASA */
693 
694 	__be16 avail_stat_len;	/* Total Length of status available. */
695 
696 	__be32 residual_data_len;	/* number of bytes in the host data */
697 	/* buffers that were not used by the IOARCB command. */
698 
699 	__be32 ilid;
700 #define IPR_NO_ILID			0
701 #define IPR_DRIVER_ILID		0xffffffff
702 
703 	__be32 fd_ioasc;
704 
705 	__be32 fd_phys_locator;
706 
707 	__be32 fd_res_handle;
708 
709 	__be32 ioasc_specific;	/* status code specific field */
710 #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
711 #define IPR_AUTOSENSE_VALID			0x40000000
712 #define IPR_ATA_DEVICE_WAS_RESET		0x20000000
713 #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
714 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
715 #define IPR_FIELD_POINTER_MASK		0x0000ffff
716 
717 }__attribute__((packed, aligned (4)));
718 
719 struct ipr_ioasa {
720 	struct ipr_ioasa_hdr hdr;
721 
722 	union {
723 		struct ipr_ioasa_vset vset;
724 		struct ipr_ioasa_af_dasd dasd;
725 		struct ipr_ioasa_gpdd gpdd;
726 		struct ipr_ioasa_gata gata;
727 	} u;
728 
729 	struct ipr_auto_sense auto_sense;
730 }__attribute__((packed, aligned (4)));
731 
732 struct ipr_ioasa64 {
733 	struct ipr_ioasa_hdr hdr;
734 	u8 fd_res_path[8];
735 
736 	union {
737 		struct ipr_ioasa_vset vset;
738 		struct ipr_ioasa_af_dasd dasd;
739 		struct ipr_ioasa_gpdd gpdd;
740 		struct ipr_ioasa_gata gata;
741 	} u;
742 
743 	struct ipr_auto_sense auto_sense;
744 }__attribute__((packed, aligned (4)));
745 
746 struct ipr_mode_parm_hdr {
747 	u8 length;
748 	u8 medium_type;
749 	u8 device_spec_parms;
750 	u8 block_desc_len;
751 }__attribute__((packed));
752 
753 struct ipr_mode_pages {
754 	struct ipr_mode_parm_hdr hdr;
755 	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
756 }__attribute__((packed));
757 
758 struct ipr_mode_page_hdr {
759 	u8 ps_page_code;
760 #define IPR_MODE_PAGE_PS	0x80
761 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
762 	u8 page_length;
763 }__attribute__ ((packed));
764 
765 struct ipr_dev_bus_entry {
766 	struct ipr_res_addr res_addr;
767 	u8 flags;
768 #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
769 #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
770 #define IPR_SCSI_ATTR_QAS_MASK				0xC0
771 #define IPR_SCSI_ATTR_ENABLE_TM				0x20
772 #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
773 #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
774 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
775 
776 	u8 scsi_id;
777 	u8 bus_width;
778 	u8 extended_reset_delay;
779 #define IPR_EXTENDED_RESET_DELAY	7
780 
781 	__be32 max_xfer_rate;
782 
783 	u8 spinup_delay;
784 	u8 reserved3;
785 	__be16 reserved4;
786 }__attribute__((packed, aligned (4)));
787 
788 struct ipr_mode_page28 {
789 	struct ipr_mode_page_hdr hdr;
790 	u8 num_entries;
791 	u8 entry_length;
792 	struct ipr_dev_bus_entry bus[0];
793 }__attribute__((packed));
794 
795 struct ipr_mode_page24 {
796 	struct ipr_mode_page_hdr hdr;
797 	u8 flags;
798 #define IPR_ENABLE_DUAL_IOA_AF 0x80
799 }__attribute__((packed));
800 
801 struct ipr_ioa_vpd {
802 	struct ipr_std_inq_data std_inq_data;
803 	u8 ascii_part_num[12];
804 	u8 reserved[40];
805 	u8 ascii_plant_code[4];
806 }__attribute__((packed));
807 
808 struct ipr_inquiry_page3 {
809 	u8 peri_qual_dev_type;
810 	u8 page_code;
811 	u8 reserved1;
812 	u8 page_length;
813 	u8 ascii_len;
814 	u8 reserved2[3];
815 	u8 load_id[4];
816 	u8 major_release;
817 	u8 card_type;
818 	u8 minor_release[2];
819 	u8 ptf_number[4];
820 	u8 patch_number[4];
821 }__attribute__((packed));
822 
823 struct ipr_inquiry_cap {
824 	u8 peri_qual_dev_type;
825 	u8 page_code;
826 	u8 reserved1;
827 	u8 page_length;
828 	u8 ascii_len;
829 	u8 reserved2;
830 	u8 sis_version[2];
831 	u8 cap;
832 #define IPR_CAP_DUAL_IOA_RAID		0x80
833 	u8 reserved3[15];
834 }__attribute__((packed));
835 
836 #define IPR_INQUIRY_PAGE0_ENTRIES 20
837 struct ipr_inquiry_page0 {
838 	u8 peri_qual_dev_type;
839 	u8 page_code;
840 	u8 reserved1;
841 	u8 len;
842 	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
843 }__attribute__((packed));
844 
845 struct ipr_hostrcb_device_data_entry {
846 	struct ipr_vpd vpd;
847 	struct ipr_res_addr dev_res_addr;
848 	struct ipr_vpd new_vpd;
849 	struct ipr_vpd ioa_last_with_dev_vpd;
850 	struct ipr_vpd cfc_last_with_dev_vpd;
851 	__be32 ioa_data[5];
852 }__attribute__((packed, aligned (4)));
853 
854 struct ipr_hostrcb_device_data_entry_enhanced {
855 	struct ipr_ext_vpd vpd;
856 	u8 ccin[4];
857 	struct ipr_res_addr dev_res_addr;
858 	struct ipr_ext_vpd new_vpd;
859 	u8 new_ccin[4];
860 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
861 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
862 }__attribute__((packed, aligned (4)));
863 
864 struct ipr_hostrcb64_device_data_entry_enhanced {
865 	struct ipr_ext_vpd vpd;
866 	u8 ccin[4];
867 	u8 res_path[8];
868 	struct ipr_ext_vpd new_vpd;
869 	u8 new_ccin[4];
870 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
871 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
872 }__attribute__((packed, aligned (4)));
873 
874 struct ipr_hostrcb_array_data_entry {
875 	struct ipr_vpd vpd;
876 	struct ipr_res_addr expected_dev_res_addr;
877 	struct ipr_res_addr dev_res_addr;
878 }__attribute__((packed, aligned (4)));
879 
880 struct ipr_hostrcb64_array_data_entry {
881 	struct ipr_ext_vpd vpd;
882 	u8 ccin[4];
883 	u8 expected_res_path[8];
884 	u8 res_path[8];
885 }__attribute__((packed, aligned (4)));
886 
887 struct ipr_hostrcb_array_data_entry_enhanced {
888 	struct ipr_ext_vpd vpd;
889 	u8 ccin[4];
890 	struct ipr_res_addr expected_dev_res_addr;
891 	struct ipr_res_addr dev_res_addr;
892 }__attribute__((packed, aligned (4)));
893 
894 struct ipr_hostrcb_type_ff_error {
895 	__be32 ioa_data[758];
896 }__attribute__((packed, aligned (4)));
897 
898 struct ipr_hostrcb_type_01_error {
899 	__be32 seek_counter;
900 	__be32 read_counter;
901 	u8 sense_data[32];
902 	__be32 ioa_data[236];
903 }__attribute__((packed, aligned (4)));
904 
905 struct ipr_hostrcb_type_21_error {
906 	__be32 wwn[4];
907 	u8 res_path[8];
908 	u8 primary_problem_desc[32];
909 	u8 second_problem_desc[32];
910 	__be32 sense_data[8];
911 	__be32 cdb[4];
912 	__be32 residual_trans_length;
913 	__be32 length_of_error;
914 	__be32 ioa_data[236];
915 }__attribute__((packed, aligned (4)));
916 
917 struct ipr_hostrcb_type_02_error {
918 	struct ipr_vpd ioa_vpd;
919 	struct ipr_vpd cfc_vpd;
920 	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
921 	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
922 	__be32 ioa_data[3];
923 }__attribute__((packed, aligned (4)));
924 
925 struct ipr_hostrcb_type_12_error {
926 	struct ipr_ext_vpd ioa_vpd;
927 	struct ipr_ext_vpd cfc_vpd;
928 	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
929 	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
930 	__be32 ioa_data[3];
931 }__attribute__((packed, aligned (4)));
932 
933 struct ipr_hostrcb_type_03_error {
934 	struct ipr_vpd ioa_vpd;
935 	struct ipr_vpd cfc_vpd;
936 	__be32 errors_detected;
937 	__be32 errors_logged;
938 	u8 ioa_data[12];
939 	struct ipr_hostrcb_device_data_entry dev[3];
940 }__attribute__((packed, aligned (4)));
941 
942 struct ipr_hostrcb_type_13_error {
943 	struct ipr_ext_vpd ioa_vpd;
944 	struct ipr_ext_vpd cfc_vpd;
945 	__be32 errors_detected;
946 	__be32 errors_logged;
947 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
948 }__attribute__((packed, aligned (4)));
949 
950 struct ipr_hostrcb_type_23_error {
951 	struct ipr_ext_vpd ioa_vpd;
952 	struct ipr_ext_vpd cfc_vpd;
953 	__be32 errors_detected;
954 	__be32 errors_logged;
955 	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
956 }__attribute__((packed, aligned (4)));
957 
958 struct ipr_hostrcb_type_04_error {
959 	struct ipr_vpd ioa_vpd;
960 	struct ipr_vpd cfc_vpd;
961 	u8 ioa_data[12];
962 	struct ipr_hostrcb_array_data_entry array_member[10];
963 	__be32 exposed_mode_adn;
964 	__be32 array_id;
965 	struct ipr_vpd incomp_dev_vpd;
966 	__be32 ioa_data2;
967 	struct ipr_hostrcb_array_data_entry array_member2[8];
968 	struct ipr_res_addr last_func_vset_res_addr;
969 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
970 	u8 protection_level[8];
971 }__attribute__((packed, aligned (4)));
972 
973 struct ipr_hostrcb_type_14_error {
974 	struct ipr_ext_vpd ioa_vpd;
975 	struct ipr_ext_vpd cfc_vpd;
976 	__be32 exposed_mode_adn;
977 	__be32 array_id;
978 	struct ipr_res_addr last_func_vset_res_addr;
979 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
980 	u8 protection_level[8];
981 	__be32 num_entries;
982 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
983 }__attribute__((packed, aligned (4)));
984 
985 struct ipr_hostrcb_type_24_error {
986 	struct ipr_ext_vpd ioa_vpd;
987 	struct ipr_ext_vpd cfc_vpd;
988 	u8 reserved[2];
989 	u8 exposed_mode_adn;
990 #define IPR_INVALID_ARRAY_DEV_NUM		0xff
991 	u8 array_id;
992 	u8 last_res_path[8];
993 	u8 protection_level[8];
994 	struct ipr_ext_vpd64 array_vpd;
995 	u8 description[16];
996 	u8 reserved2[3];
997 	u8 num_entries;
998 	struct ipr_hostrcb64_array_data_entry array_member[32];
999 }__attribute__((packed, aligned (4)));
1000 
1001 struct ipr_hostrcb_type_07_error {
1002 	u8 failure_reason[64];
1003 	struct ipr_vpd vpd;
1004 	u32 data[222];
1005 }__attribute__((packed, aligned (4)));
1006 
1007 struct ipr_hostrcb_type_17_error {
1008 	u8 failure_reason[64];
1009 	struct ipr_ext_vpd vpd;
1010 	u32 data[476];
1011 }__attribute__((packed, aligned (4)));
1012 
1013 struct ipr_hostrcb_config_element {
1014 	u8 type_status;
1015 #define IPR_PATH_CFG_TYPE_MASK	0xF0
1016 #define IPR_PATH_CFG_NOT_EXIST	0x00
1017 #define IPR_PATH_CFG_IOA_PORT		0x10
1018 #define IPR_PATH_CFG_EXP_PORT		0x20
1019 #define IPR_PATH_CFG_DEVICE_PORT	0x30
1020 #define IPR_PATH_CFG_DEVICE_LUN	0x40
1021 
1022 #define IPR_PATH_CFG_STATUS_MASK	0x0F
1023 #define IPR_PATH_CFG_NO_PROB		0x00
1024 #define IPR_PATH_CFG_DEGRADED		0x01
1025 #define IPR_PATH_CFG_FAILED		0x02
1026 #define IPR_PATH_CFG_SUSPECT		0x03
1027 #define IPR_PATH_NOT_DETECTED		0x04
1028 #define IPR_PATH_INCORRECT_CONN	0x05
1029 
1030 	u8 cascaded_expander;
1031 	u8 phy;
1032 	u8 link_rate;
1033 #define IPR_PHY_LINK_RATE_MASK	0x0F
1034 
1035 	__be32 wwid[2];
1036 }__attribute__((packed, aligned (4)));
1037 
1038 struct ipr_hostrcb64_config_element {
1039 	__be16 length;
1040 	u8 descriptor_id;
1041 #define IPR_DESCRIPTOR_MASK		0xC0
1042 #define IPR_DESCRIPTOR_SIS64		0x00
1043 
1044 	u8 reserved;
1045 	u8 type_status;
1046 
1047 	u8 reserved2[2];
1048 	u8 link_rate;
1049 
1050 	u8 res_path[8];
1051 	__be32 wwid[2];
1052 }__attribute__((packed, aligned (8)));
1053 
1054 struct ipr_hostrcb_fabric_desc {
1055 	__be16 length;
1056 	u8 ioa_port;
1057 	u8 cascaded_expander;
1058 	u8 phy;
1059 	u8 path_state;
1060 #define IPR_PATH_ACTIVE_MASK		0xC0
1061 #define IPR_PATH_NO_INFO		0x00
1062 #define IPR_PATH_ACTIVE			0x40
1063 #define IPR_PATH_NOT_ACTIVE		0x80
1064 
1065 #define IPR_PATH_STATE_MASK		0x0F
1066 #define IPR_PATH_STATE_NO_INFO	0x00
1067 #define IPR_PATH_HEALTHY		0x01
1068 #define IPR_PATH_DEGRADED		0x02
1069 #define IPR_PATH_FAILED			0x03
1070 
1071 	__be16 num_entries;
1072 	struct ipr_hostrcb_config_element elem[1];
1073 }__attribute__((packed, aligned (4)));
1074 
1075 struct ipr_hostrcb64_fabric_desc {
1076 	__be16 length;
1077 	u8 descriptor_id;
1078 
1079 	u8 reserved[2];
1080 	u8 path_state;
1081 
1082 	u8 reserved2[2];
1083 	u8 res_path[8];
1084 	u8 reserved3[6];
1085 	__be16 num_entries;
1086 	struct ipr_hostrcb64_config_element elem[1];
1087 }__attribute__((packed, aligned (8)));
1088 
1089 #define for_each_hrrq(hrrq, ioa_cfg) \
1090 		for (hrrq = (ioa_cfg)->hrrq; \
1091 			hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1092 
1093 #define for_each_fabric_cfg(fabric, cfg) \
1094 		for (cfg = (fabric)->elem; \
1095 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1096 			cfg++)
1097 
1098 struct ipr_hostrcb_type_20_error {
1099 	u8 failure_reason[64];
1100 	u8 reserved[3];
1101 	u8 num_entries;
1102 	struct ipr_hostrcb_fabric_desc desc[1];
1103 }__attribute__((packed, aligned (4)));
1104 
1105 struct ipr_hostrcb_type_30_error {
1106 	u8 failure_reason[64];
1107 	u8 reserved[3];
1108 	u8 num_entries;
1109 	struct ipr_hostrcb64_fabric_desc desc[1];
1110 }__attribute__((packed, aligned (4)));
1111 
1112 struct ipr_hostrcb_error {
1113 	__be32 fd_ioasc;
1114 	struct ipr_res_addr fd_res_addr;
1115 	__be32 fd_res_handle;
1116 	__be32 prc;
1117 	union {
1118 		struct ipr_hostrcb_type_ff_error type_ff_error;
1119 		struct ipr_hostrcb_type_01_error type_01_error;
1120 		struct ipr_hostrcb_type_02_error type_02_error;
1121 		struct ipr_hostrcb_type_03_error type_03_error;
1122 		struct ipr_hostrcb_type_04_error type_04_error;
1123 		struct ipr_hostrcb_type_07_error type_07_error;
1124 		struct ipr_hostrcb_type_12_error type_12_error;
1125 		struct ipr_hostrcb_type_13_error type_13_error;
1126 		struct ipr_hostrcb_type_14_error type_14_error;
1127 		struct ipr_hostrcb_type_17_error type_17_error;
1128 		struct ipr_hostrcb_type_20_error type_20_error;
1129 	} u;
1130 }__attribute__((packed, aligned (4)));
1131 
1132 struct ipr_hostrcb64_error {
1133 	__be32 fd_ioasc;
1134 	__be32 ioa_fw_level;
1135 	__be32 fd_res_handle;
1136 	__be32 prc;
1137 	__be64 fd_dev_id;
1138 	__be64 fd_lun;
1139 	u8 fd_res_path[8];
1140 	__be64 time_stamp;
1141 	u8 reserved[16];
1142 	union {
1143 		struct ipr_hostrcb_type_ff_error type_ff_error;
1144 		struct ipr_hostrcb_type_12_error type_12_error;
1145 		struct ipr_hostrcb_type_17_error type_17_error;
1146 		struct ipr_hostrcb_type_21_error type_21_error;
1147 		struct ipr_hostrcb_type_23_error type_23_error;
1148 		struct ipr_hostrcb_type_24_error type_24_error;
1149 		struct ipr_hostrcb_type_30_error type_30_error;
1150 	} u;
1151 }__attribute__((packed, aligned (8)));
1152 
1153 struct ipr_hostrcb_raw {
1154 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1155 }__attribute__((packed, aligned (4)));
1156 
1157 struct ipr_hcam {
1158 	u8 op_code;
1159 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
1160 #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
1161 
1162 	u8 notify_type;
1163 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
1164 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
1165 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
1166 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
1167 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
1168 
1169 	u8 notifications_lost;
1170 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
1171 #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
1172 
1173 	u8 flags;
1174 #define IPR_HOSTRCB_INTERNAL_OPER	0x80
1175 #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
1176 
1177 	u8 overlay_id;
1178 #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
1179 #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
1180 #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
1181 #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
1182 #define IPR_HOST_RCB_OVERLAY_ID_6				0x06
1183 #define IPR_HOST_RCB_OVERLAY_ID_7				0x07
1184 #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
1185 #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
1186 #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
1187 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
1188 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
1189 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
1190 #define IPR_HOST_RCB_OVERLAY_ID_21				0x21
1191 #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
1192 #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
1193 #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
1194 #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
1195 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
1196 
1197 	u8 reserved1[3];
1198 	__be32 ilid;
1199 	__be32 time_since_last_ioa_reset;
1200 	__be32 reserved2;
1201 	__be32 length;
1202 
1203 	union {
1204 		struct ipr_hostrcb_error error;
1205 		struct ipr_hostrcb64_error error64;
1206 		struct ipr_hostrcb_cfg_ch_not ccn;
1207 		struct ipr_hostrcb_raw raw;
1208 	} u;
1209 }__attribute__((packed, aligned (4)));
1210 
1211 struct ipr_hostrcb {
1212 	struct ipr_hcam hcam;
1213 	dma_addr_t hostrcb_dma;
1214 	struct list_head queue;
1215 	struct ipr_ioa_cfg *ioa_cfg;
1216 	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1217 };
1218 
1219 /* IPR smart dump table structures */
1220 struct ipr_sdt_entry {
1221 	__be32 start_token;
1222 	__be32 end_token;
1223 	u8 reserved[4];
1224 
1225 	u8 flags;
1226 #define IPR_SDT_ENDIAN		0x80
1227 #define IPR_SDT_VALID_ENTRY	0x20
1228 
1229 	u8 resv;
1230 	__be16 priority;
1231 }__attribute__((packed, aligned (4)));
1232 
1233 struct ipr_sdt_header {
1234 	__be32 state;
1235 	__be32 num_entries;
1236 	__be32 num_entries_used;
1237 	__be32 dump_size;
1238 }__attribute__((packed, aligned (4)));
1239 
1240 struct ipr_sdt {
1241 	struct ipr_sdt_header hdr;
1242 	struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1243 }__attribute__((packed, aligned (4)));
1244 
1245 struct ipr_uc_sdt {
1246 	struct ipr_sdt_header hdr;
1247 	struct ipr_sdt_entry entry[1];
1248 }__attribute__((packed, aligned (4)));
1249 
1250 /*
1251  * Driver types
1252  */
1253 struct ipr_bus_attributes {
1254 	u8 bus;
1255 	u8 qas_enabled;
1256 	u8 bus_width;
1257 	u8 reserved;
1258 	u32 max_xfer_rate;
1259 };
1260 
1261 struct ipr_sata_port {
1262 	struct ipr_ioa_cfg *ioa_cfg;
1263 	struct ata_port *ap;
1264 	struct ipr_resource_entry *res;
1265 	struct ipr_ioasa_gata ioasa;
1266 };
1267 
1268 struct ipr_resource_entry {
1269 	u8 needs_sync_complete:1;
1270 	u8 in_erp:1;
1271 	u8 add_to_ml:1;
1272 	u8 del_from_ml:1;
1273 	u8 resetting_device:1;
1274 	u8 reset_occurred:1;
1275 
1276 	u32 bus;		/* AKA channel */
1277 	u32 target;		/* AKA id */
1278 	u32 lun;
1279 #define IPR_ARRAY_VIRTUAL_BUS			0x1
1280 #define IPR_VSET_VIRTUAL_BUS			0x2
1281 #define IPR_IOAFP_VIRTUAL_BUS			0x3
1282 
1283 #define IPR_GET_RES_PHYS_LOC(res) \
1284 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1285 
1286 	u8 ata_class;
1287 
1288 	u8 flags;
1289 	__be16 res_flags;
1290 
1291 	u8 type;
1292 
1293 	u8 qmodel;
1294 	struct ipr_std_inq_data std_inq_data;
1295 
1296 	__be32 res_handle;
1297 	__be64 dev_id;
1298 	__be64 lun_wwn;
1299 	struct scsi_lun dev_lun;
1300 	u8 res_path[8];
1301 
1302 	struct ipr_ioa_cfg *ioa_cfg;
1303 	struct scsi_device *sdev;
1304 	struct ipr_sata_port *sata_port;
1305 	struct list_head queue;
1306 }; /* struct ipr_resource_entry */
1307 
1308 struct ipr_resource_hdr {
1309 	u16 num_entries;
1310 	u16 reserved;
1311 };
1312 
1313 struct ipr_misc_cbs {
1314 	struct ipr_ioa_vpd ioa_vpd;
1315 	struct ipr_inquiry_page0 page0_data;
1316 	struct ipr_inquiry_page3 page3_data;
1317 	struct ipr_inquiry_cap cap;
1318 	struct ipr_mode_pages mode_pages;
1319 	struct ipr_supported_device supp_dev;
1320 };
1321 
1322 struct ipr_interrupt_offsets {
1323 	unsigned long set_interrupt_mask_reg;
1324 	unsigned long clr_interrupt_mask_reg;
1325 	unsigned long clr_interrupt_mask_reg32;
1326 	unsigned long sense_interrupt_mask_reg;
1327 	unsigned long sense_interrupt_mask_reg32;
1328 	unsigned long clr_interrupt_reg;
1329 	unsigned long clr_interrupt_reg32;
1330 
1331 	unsigned long sense_interrupt_reg;
1332 	unsigned long sense_interrupt_reg32;
1333 	unsigned long ioarrin_reg;
1334 	unsigned long sense_uproc_interrupt_reg;
1335 	unsigned long sense_uproc_interrupt_reg32;
1336 	unsigned long set_uproc_interrupt_reg;
1337 	unsigned long set_uproc_interrupt_reg32;
1338 	unsigned long clr_uproc_interrupt_reg;
1339 	unsigned long clr_uproc_interrupt_reg32;
1340 
1341 	unsigned long init_feedback_reg;
1342 
1343 	unsigned long dump_addr_reg;
1344 	unsigned long dump_data_reg;
1345 
1346 #define IPR_ENDIAN_SWAP_KEY		0x00080800
1347 	unsigned long endian_swap_reg;
1348 };
1349 
1350 struct ipr_interrupts {
1351 	void __iomem *set_interrupt_mask_reg;
1352 	void __iomem *clr_interrupt_mask_reg;
1353 	void __iomem *clr_interrupt_mask_reg32;
1354 	void __iomem *sense_interrupt_mask_reg;
1355 	void __iomem *sense_interrupt_mask_reg32;
1356 	void __iomem *clr_interrupt_reg;
1357 	void __iomem *clr_interrupt_reg32;
1358 
1359 	void __iomem *sense_interrupt_reg;
1360 	void __iomem *sense_interrupt_reg32;
1361 	void __iomem *ioarrin_reg;
1362 	void __iomem *sense_uproc_interrupt_reg;
1363 	void __iomem *sense_uproc_interrupt_reg32;
1364 	void __iomem *set_uproc_interrupt_reg;
1365 	void __iomem *set_uproc_interrupt_reg32;
1366 	void __iomem *clr_uproc_interrupt_reg;
1367 	void __iomem *clr_uproc_interrupt_reg32;
1368 
1369 	void __iomem *init_feedback_reg;
1370 
1371 	void __iomem *dump_addr_reg;
1372 	void __iomem *dump_data_reg;
1373 
1374 	void __iomem *endian_swap_reg;
1375 };
1376 
1377 struct ipr_chip_cfg_t {
1378 	u32 mailbox;
1379 	u16 max_cmds;
1380 	u8 cache_line_size;
1381 	u8 clear_isr;
1382 	u32 iopoll_weight;
1383 	struct ipr_interrupt_offsets regs;
1384 };
1385 
1386 struct ipr_chip_t {
1387 	u16 vendor;
1388 	u16 device;
1389 	u16 intr_type;
1390 #define IPR_USE_LSI			0x00
1391 #define IPR_USE_MSI			0x01
1392 #define IPR_USE_MSIX			0x02
1393 	u16 sis_type;
1394 #define IPR_SIS32			0x00
1395 #define IPR_SIS64			0x01
1396 	u16 bist_method;
1397 #define IPR_PCI_CFG			0x00
1398 #define IPR_MMIO			0x01
1399 	const struct ipr_chip_cfg_t *cfg;
1400 };
1401 
1402 enum ipr_shutdown_type {
1403 	IPR_SHUTDOWN_NORMAL = 0x00,
1404 	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1405 	IPR_SHUTDOWN_ABBREV = 0x80,
1406 	IPR_SHUTDOWN_NONE = 0x100
1407 };
1408 
1409 struct ipr_trace_entry {
1410 	u32 time;
1411 
1412 	u8 op_code;
1413 	u8 ata_op_code;
1414 	u8 type;
1415 #define IPR_TRACE_START			0x00
1416 #define IPR_TRACE_FINISH		0xff
1417 	u8 cmd_index;
1418 
1419 	__be32 res_handle;
1420 	union {
1421 		u32 ioasc;
1422 		u32 add_data;
1423 		u32 res_addr;
1424 	} u;
1425 };
1426 
1427 struct ipr_sglist {
1428 	u32 order;
1429 	u32 num_sg;
1430 	u32 num_dma_sg;
1431 	u32 buffer_len;
1432 	struct scatterlist scatterlist[1];
1433 };
1434 
1435 enum ipr_sdt_state {
1436 	INACTIVE,
1437 	WAIT_FOR_DUMP,
1438 	GET_DUMP,
1439 	READ_DUMP,
1440 	ABORT_DUMP,
1441 	DUMP_OBTAINED
1442 };
1443 
1444 /* Per-controller data */
1445 struct ipr_ioa_cfg {
1446 	char eye_catcher[8];
1447 #define IPR_EYECATCHER			"iprcfg"
1448 
1449 	struct list_head queue;
1450 
1451 	u8 in_reset_reload:1;
1452 	u8 in_ioa_bringdown:1;
1453 	u8 ioa_unit_checked:1;
1454 	u8 dump_taken:1;
1455 	u8 allow_ml_add_del:1;
1456 	u8 needs_hard_reset:1;
1457 	u8 dual_raid:1;
1458 	u8 needs_warm_reset:1;
1459 	u8 msi_received:1;
1460 	u8 sis64:1;
1461 	u8 dump_timeout:1;
1462 	u8 cfg_locked:1;
1463 	u8 clear_isr:1;
1464 	u8 probe_done:1;
1465 
1466 	u8 revid;
1467 
1468 	/*
1469 	 * Bitmaps for SIS64 generated target values
1470 	 */
1471 	unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1472 	unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1473 	unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1474 
1475 	u16 type; /* CCIN of the card */
1476 
1477 	u8 log_level;
1478 #define IPR_MAX_LOG_LEVEL			4
1479 #define IPR_DEFAULT_LOG_LEVEL		2
1480 
1481 #define IPR_NUM_TRACE_INDEX_BITS	8
1482 #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
1483 #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1484 	char trace_start[8];
1485 #define IPR_TRACE_START_LABEL			"trace"
1486 	struct ipr_trace_entry *trace;
1487 	atomic_t trace_index;
1488 
1489 	char cfg_table_start[8];
1490 #define IPR_CFG_TBL_START		"cfg"
1491 	union {
1492 		struct ipr_config_table *cfg_table;
1493 		struct ipr_config_table64 *cfg_table64;
1494 	} u;
1495 	dma_addr_t cfg_table_dma;
1496 	u32 cfg_table_size;
1497 	u32 max_devs_supported;
1498 
1499 	char resource_table_label[8];
1500 #define IPR_RES_TABLE_LABEL		"res_tbl"
1501 	struct ipr_resource_entry *res_entries;
1502 	struct list_head free_res_q;
1503 	struct list_head used_res_q;
1504 
1505 	char ipr_hcam_label[8];
1506 #define IPR_HCAM_LABEL			"hcams"
1507 	struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1508 	dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1509 	struct list_head hostrcb_free_q;
1510 	struct list_head hostrcb_pending_q;
1511 
1512 	struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1513 	u32 hrrq_num;
1514 	atomic_t  hrrq_index;
1515 	u16 identify_hrrq_index;
1516 
1517 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1518 
1519 	unsigned int transop_timeout;
1520 	const struct ipr_chip_cfg_t *chip_cfg;
1521 	const struct ipr_chip_t *ipr_chip;
1522 
1523 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
1524 	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
1525 	void __iomem *ioa_mailbox;
1526 	struct ipr_interrupts regs;
1527 
1528 	u16 saved_pcix_cmd_reg;
1529 	u16 reset_retries;
1530 
1531 	u32 errors_logged;
1532 	u32 doorbell;
1533 
1534 	struct Scsi_Host *host;
1535 	struct pci_dev *pdev;
1536 	struct ipr_sglist *ucode_sglist;
1537 	u8 saved_mode_page_len;
1538 
1539 	struct work_struct work_q;
1540 
1541 	wait_queue_head_t reset_wait_q;
1542 	wait_queue_head_t msi_wait_q;
1543 	wait_queue_head_t eeh_wait_q;
1544 
1545 	struct ipr_dump *dump;
1546 	enum ipr_sdt_state sdt_state;
1547 
1548 	struct ipr_misc_cbs *vpd_cbs;
1549 	dma_addr_t vpd_cbs_dma;
1550 
1551 	struct pci_pool *ipr_cmd_pool;
1552 
1553 	struct ipr_cmnd *reset_cmd;
1554 	int (*reset) (struct ipr_cmnd *);
1555 
1556 	struct ata_host ata_host;
1557 	char ipr_cmd_label[8];
1558 #define IPR_CMD_LABEL		"ipr_cmd"
1559 	u32 max_cmds;
1560 	struct ipr_cmnd **ipr_cmnd_list;
1561 	dma_addr_t *ipr_cmnd_list_dma;
1562 
1563 	u16 intr_flag;
1564 	unsigned int nvectors;
1565 
1566 	struct {
1567 		unsigned short vec;
1568 		char desc[22];
1569 	} vectors_info[IPR_MAX_MSIX_VECTORS];
1570 
1571 	u32 iopoll_weight;
1572 
1573 }; /* struct ipr_ioa_cfg */
1574 
1575 struct ipr_cmnd {
1576 	struct ipr_ioarcb ioarcb;
1577 	union {
1578 		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1579 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1580 		struct ipr_ata64_ioadl ata_ioadl;
1581 	} i;
1582 	union {
1583 		struct ipr_ioasa ioasa;
1584 		struct ipr_ioasa64 ioasa64;
1585 	} s;
1586 	struct list_head queue;
1587 	struct scsi_cmnd *scsi_cmd;
1588 	struct ata_queued_cmd *qc;
1589 	struct completion completion;
1590 	struct timer_list timer;
1591 	void (*fast_done) (struct ipr_cmnd *);
1592 	void (*done) (struct ipr_cmnd *);
1593 	int (*job_step) (struct ipr_cmnd *);
1594 	int (*job_step_failed) (struct ipr_cmnd *);
1595 	u16 cmd_index;
1596 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1597 	dma_addr_t sense_buffer_dma;
1598 	unsigned short dma_use_sg;
1599 	dma_addr_t dma_addr;
1600 	struct ipr_cmnd *sibling;
1601 	union {
1602 		enum ipr_shutdown_type shutdown_type;
1603 		struct ipr_hostrcb *hostrcb;
1604 		unsigned long time_left;
1605 		unsigned long scratch;
1606 		struct ipr_resource_entry *res;
1607 		struct scsi_device *sdev;
1608 	} u;
1609 
1610 	struct ipr_hrr_queue *hrrq;
1611 	struct ipr_ioa_cfg *ioa_cfg;
1612 };
1613 
1614 struct ipr_ses_table_entry {
1615 	char product_id[17];
1616 	char compare_product_id_byte[17];
1617 	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
1618 };
1619 
1620 struct ipr_dump_header {
1621 	u32 eye_catcher;
1622 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1623 	u32 len;
1624 	u32 num_entries;
1625 	u32 first_entry_offset;
1626 	u32 status;
1627 #define IPR_DUMP_STATUS_SUCCESS			0
1628 #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
1629 #define IPR_DUMP_STATUS_FAILED			0xffffffff
1630 	u32 os;
1631 #define IPR_DUMP_OS_LINUX	0x4C4E5558
1632 	u32 driver_name;
1633 #define IPR_DUMP_DRIVER_NAME	0x49505232
1634 }__attribute__((packed, aligned (4)));
1635 
1636 struct ipr_dump_entry_header {
1637 	u32 eye_catcher;
1638 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1639 	u32 len;
1640 	u32 num_elems;
1641 	u32 offset;
1642 	u32 data_type;
1643 #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
1644 #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
1645 	u32 id;
1646 #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
1647 #define IPR_DUMP_LOCATION_ID		0x4C4F4341
1648 #define IPR_DUMP_TRACE_ID		0x54524143
1649 #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
1650 #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
1651 #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
1652 #define IPR_DUMP_PEND_OPS		0x414F5053
1653 	u32 status;
1654 }__attribute__((packed, aligned (4)));
1655 
1656 struct ipr_dump_location_entry {
1657 	struct ipr_dump_entry_header hdr;
1658 	u8 location[20];
1659 }__attribute__((packed));
1660 
1661 struct ipr_dump_trace_entry {
1662 	struct ipr_dump_entry_header hdr;
1663 	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1664 }__attribute__((packed, aligned (4)));
1665 
1666 struct ipr_dump_version_entry {
1667 	struct ipr_dump_entry_header hdr;
1668 	u8 version[sizeof(IPR_DRIVER_VERSION)];
1669 };
1670 
1671 struct ipr_dump_ioa_type_entry {
1672 	struct ipr_dump_entry_header hdr;
1673 	u32 type;
1674 	u32 fw_version;
1675 };
1676 
1677 struct ipr_driver_dump {
1678 	struct ipr_dump_header hdr;
1679 	struct ipr_dump_version_entry version_entry;
1680 	struct ipr_dump_location_entry location_entry;
1681 	struct ipr_dump_ioa_type_entry ioa_type_entry;
1682 	struct ipr_dump_trace_entry trace_entry;
1683 }__attribute__((packed));
1684 
1685 struct ipr_ioa_dump {
1686 	struct ipr_dump_entry_header hdr;
1687 	struct ipr_sdt sdt;
1688 	__be32 **ioa_data;
1689 	u32 reserved;
1690 	u32 next_page_index;
1691 	u32 page_offset;
1692 	u32 format;
1693 }__attribute__((packed, aligned (4)));
1694 
1695 struct ipr_dump {
1696 	struct kref kref;
1697 	struct ipr_ioa_cfg *ioa_cfg;
1698 	struct ipr_driver_dump driver_dump;
1699 	struct ipr_ioa_dump ioa_dump;
1700 };
1701 
1702 struct ipr_error_table_t {
1703 	u32 ioasc;
1704 	int log_ioasa;
1705 	int log_hcam;
1706 	char *error;
1707 };
1708 
1709 struct ipr_software_inq_lid_info {
1710 	__be32 load_id;
1711 	__be32 timestamp[3];
1712 }__attribute__((packed, aligned (4)));
1713 
1714 struct ipr_ucode_image_header {
1715 	__be32 header_length;
1716 	__be32 lid_table_offset;
1717 	u8 major_release;
1718 	u8 card_type;
1719 	u8 minor_release[2];
1720 	u8 reserved[20];
1721 	char eyecatcher[16];
1722 	__be32 num_lids;
1723 	struct ipr_software_inq_lid_info lid[1];
1724 }__attribute__((packed, aligned (4)));
1725 
1726 /*
1727  * Macros
1728  */
1729 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1730 
1731 #ifdef CONFIG_SCSI_IPR_TRACE
1732 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1733 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1734 #else
1735 #define ipr_create_trace_file(kobj, attr) 0
1736 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1737 #endif
1738 
1739 #ifdef CONFIG_SCSI_IPR_DUMP
1740 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1741 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1742 #else
1743 #define ipr_create_dump_file(kobj, attr) 0
1744 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1745 #endif
1746 
1747 /*
1748  * Error logging macros
1749  */
1750 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1751 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1752 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1753 
1754 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1755 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1756 		bus, target, lun, ##__VA_ARGS__)
1757 
1758 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1759 	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1760 
1761 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1762 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1763 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1764 
1765 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1766 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1767 
1768 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
1769 {									\
1770 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
1771 		ipr_err(fmt": unknown\n", ##__VA_ARGS__);		\
1772 	} else {							\
1773 		ipr_err(fmt": %d:%d:%d:%d\n",				\
1774 			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
1775 			(res).bus, (res).target, (res).lun);		\
1776 	}								\
1777 }
1778 
1779 #define ipr_hcam_err(hostrcb, fmt, ...)					\
1780 {									\
1781 	if (ipr_is_device(hostrcb)) {					\
1782 		if ((hostrcb)->ioa_cfg->sis64) {			\
1783 			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
1784 				ipr_format_res_path(hostrcb->ioa_cfg,	\
1785 					hostrcb->hcam.u.error64.fd_res_path, \
1786 					hostrcb->rp_buffer,		\
1787 					sizeof(hostrcb->rp_buffer)),	\
1788 				__VA_ARGS__);				\
1789 		} else {						\
1790 			ipr_ra_err((hostrcb)->ioa_cfg,			\
1791 				(hostrcb)->hcam.u.error.fd_res_addr,	\
1792 				fmt, __VA_ARGS__);			\
1793 		}							\
1794 	} else {							\
1795 		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1796 	}								\
1797 }
1798 
1799 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1800 	__FILE__, __func__, __LINE__)
1801 
1802 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1803 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1804 
1805 #define ipr_err_separator \
1806 ipr_err("----------------------------------------------------------\n")
1807 
1808 
1809 /*
1810  * Inlines
1811  */
1812 
1813 /**
1814  * ipr_is_ioa_resource - Determine if a resource is the IOA
1815  * @res:	resource entry struct
1816  *
1817  * Return value:
1818  * 	1 if IOA / 0 if not IOA
1819  **/
1820 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1821 {
1822 	return res->type == IPR_RES_TYPE_IOAFP;
1823 }
1824 
1825 /**
1826  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1827  * @res:	resource entry struct
1828  *
1829  * Return value:
1830  * 	1 if AF DASD / 0 if not AF DASD
1831  **/
1832 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1833 {
1834 	return res->type == IPR_RES_TYPE_AF_DASD ||
1835 		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1836 }
1837 
1838 /**
1839  * ipr_is_vset_device - Determine if a resource is a VSET
1840  * @res:	resource entry struct
1841  *
1842  * Return value:
1843  * 	1 if VSET / 0 if not VSET
1844  **/
1845 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1846 {
1847 	return res->type == IPR_RES_TYPE_VOLUME_SET;
1848 }
1849 
1850 /**
1851  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1852  * @res:	resource entry struct
1853  *
1854  * Return value:
1855  * 	1 if GSCSI / 0 if not GSCSI
1856  **/
1857 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1858 {
1859 	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1860 }
1861 
1862 /**
1863  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1864  * @res:	resource entry struct
1865  *
1866  * Return value:
1867  * 	1 if SCSI disk / 0 if not SCSI disk
1868  **/
1869 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1870 {
1871 	if (ipr_is_af_dasd_device(res) ||
1872 	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1873 		return 1;
1874 	else
1875 		return 0;
1876 }
1877 
1878 /**
1879  * ipr_is_gata - Determine if a resource is a generic ATA resource
1880  * @res:	resource entry struct
1881  *
1882  * Return value:
1883  * 	1 if GATA / 0 if not GATA
1884  **/
1885 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1886 {
1887 	return res->type == IPR_RES_TYPE_GENERIC_ATA;
1888 }
1889 
1890 /**
1891  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1892  * @res:	resource entry struct
1893  *
1894  * Return value:
1895  * 	1 if NACA queueing model / 0 if not NACA queueing model
1896  **/
1897 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1898 {
1899 	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1900 		return 1;
1901 	return 0;
1902 }
1903 
1904 /**
1905  * ipr_is_device - Determine if the hostrcb structure is related to a device
1906  * @hostrcb:	host resource control blocks struct
1907  *
1908  * Return value:
1909  * 	1 if AF / 0 if not AF
1910  **/
1911 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1912 {
1913 	struct ipr_res_addr *res_addr;
1914 	u8 *res_path;
1915 
1916 	if (hostrcb->ioa_cfg->sis64) {
1917 		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1918 		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1919 		    res_path[0] == 0x81) && res_path[2] != 0xFF)
1920 			return 1;
1921 	} else {
1922 		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1923 
1924 		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1925 		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1926 			return 1;
1927 	}
1928 	return 0;
1929 }
1930 
1931 /**
1932  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1933  * @sdt_word:	SDT address
1934  *
1935  * Return value:
1936  * 	1 if format 2 / 0 if not
1937  **/
1938 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1939 {
1940 	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1941 
1942 	switch (bar_sel) {
1943 	case IPR_SDT_FMT2_BAR0_SEL:
1944 	case IPR_SDT_FMT2_BAR1_SEL:
1945 	case IPR_SDT_FMT2_BAR2_SEL:
1946 	case IPR_SDT_FMT2_BAR3_SEL:
1947 	case IPR_SDT_FMT2_BAR4_SEL:
1948 	case IPR_SDT_FMT2_BAR5_SEL:
1949 	case IPR_SDT_FMT2_EXP_ROM_SEL:
1950 		return 1;
1951 	};
1952 
1953 	return 0;
1954 }
1955 
1956 #ifndef writeq
1957 static inline void writeq(u64 val, void __iomem *addr)
1958 {
1959         writel(((u32) (val >> 32)), addr);
1960         writel(((u32) (val)), (addr + 4));
1961 }
1962 #endif
1963 
1964 #endif /* _IPR_H */
1965