xref: /openbmc/linux/drivers/scsi/ipr.h (revision a2cce7a9)
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 "2.6.2"
43 #define IPR_DRIVER_DATE "(June 11, 2015)"
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_HW_CMD_FAILED			0x046E0000
134 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000
135 #define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000
136 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100
137 #define IPR_IOASA_IR_DUAL_IOA_DISABLED		0x052C8000
138 #define IPR_IOASC_BUS_WAS_RESET			0x06290000
139 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER		0x06298000
140 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST	0x0B5A0000
141 #define IPR_IOASC_IR_NON_OPTIMIZED		0x05258200
142 
143 #define IPR_FIRST_DRIVER_IOASC			0x10000000
144 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
145 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
146 
147 /* Driver data flags */
148 #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
149 #define IPR_USE_PCI_WARM_RESET			0x00000002
150 
151 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
152 #define IPR_NUM_LOG_HCAMS				2
153 #define IPR_NUM_CFG_CHG_HCAMS				2
154 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
155 
156 #define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
157 #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
158 
159 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
160 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
161 #define IPR_VSET_BUS					0xff
162 #define IPR_IOA_BUS						0xff
163 #define IPR_IOA_TARGET					0xff
164 #define IPR_IOA_LUN						0xff
165 #define IPR_MAX_NUM_BUSES				16
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_CANCEL_REQUEST				0xC0
201 #define	IPR_CANCEL_64BIT_IOARCB			0x01
202 #define IPR_QUERY_RSRC_STATE				0xC2
203 #define IPR_RESET_DEVICE				0xC3
204 #define	IPR_RESET_TYPE_SELECT				0x80
205 #define	IPR_LUN_RESET					0x40
206 #define	IPR_TARGET_RESET					0x20
207 #define	IPR_BUS_RESET					0x10
208 #define	IPR_ATA_PHY_RESET					0x80
209 #define IPR_ID_HOST_RR_Q				0xC4
210 #define IPR_QUERY_IOA_CONFIG				0xC5
211 #define IPR_CANCEL_ALL_REQUESTS			0xCE
212 #define IPR_HOST_CONTROLLED_ASYNC			0xCF
213 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
214 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
215 #define IPR_SET_SUPPORTED_DEVICES			0xFB
216 #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
217 #define IPR_IOA_SHUTDOWN				0xF7
218 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
219 
220 /*
221  * Timeouts
222  */
223 #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
224 #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
225 #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)
226 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)
227 #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
228 #define IPR_CANCEL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
229 #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
230 #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
231 #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
232 #define IPR_WRITE_BUFFER_TIMEOUT		(30 * 60 * HZ)
233 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
234 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
235 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
236 #define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)
237 #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
238 #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
239 #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)
240 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT	(120 * HZ)
241 #define IPR_PCI_RESET_TIMEOUT			(HZ / 2)
242 #define IPR_SIS32_DUMP_TIMEOUT			(15 * HZ)
243 #define IPR_SIS64_DUMP_TIMEOUT			(40 * HZ)
244 #define IPR_DUMP_DELAY_SECONDS			4
245 #define IPR_DUMP_DELAY_TIMEOUT			(IPR_DUMP_DELAY_SECONDS * HZ)
246 
247 /*
248  * SCSI Literals
249  */
250 #define IPR_VENDOR_ID_LEN			8
251 #define IPR_PROD_ID_LEN				16
252 #define IPR_SERIAL_NUM_LEN			8
253 
254 /*
255  * Hardware literals
256  */
257 #define IPR_FMT2_MBX_ADDR_MASK				0x0fffffff
258 #define IPR_FMT2_MBX_BAR_SEL_MASK			0xf0000000
259 #define IPR_FMT2_MKR_BAR_SEL_SHIFT			28
260 #define IPR_GET_FMT2_BAR_SEL(mbx) \
261 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
262 #define IPR_SDT_FMT2_BAR0_SEL				0x0
263 #define IPR_SDT_FMT2_BAR1_SEL				0x1
264 #define IPR_SDT_FMT2_BAR2_SEL				0x2
265 #define IPR_SDT_FMT2_BAR3_SEL				0x3
266 #define IPR_SDT_FMT2_BAR4_SEL				0x4
267 #define IPR_SDT_FMT2_BAR5_SEL				0x5
268 #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
269 #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2
270 #define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3
271 #define IPR_DOORBELL					0x82800000
272 #define IPR_RUNTIME_RESET				0x40000000
273 
274 #define IPR_IPL_INIT_MIN_STAGE_TIME			5
275 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 30
276 #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
277 #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
278 #define IPR_IPL_INIT_STAGE_MASK				0xff000000
279 #define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
280 #define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)
281 
282 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
283 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
284 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
285 #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
286 #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
287 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
288 #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
289 #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
290 #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
291 #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
292 #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
293 
294 #define IPR_PCII_ERROR_INTERRUPTS \
295 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
296 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
297 
298 #define IPR_PCII_OPER_INTERRUPTS \
299 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
300 
301 #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
302 #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)
303 #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)
304 
305 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
306 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
307 
308 /*
309  * Dump literals
310  */
311 #define IPR_FMT2_MAX_IOA_DUMP_SIZE			(4 * 1024 * 1024)
312 #define IPR_FMT3_MAX_IOA_DUMP_SIZE			(80 * 1024 * 1024)
313 #define IPR_FMT2_NUM_SDT_ENTRIES			511
314 #define IPR_FMT3_NUM_SDT_ENTRIES			0xFFF
315 #define IPR_FMT2_MAX_NUM_DUMP_PAGES	((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
316 #define IPR_FMT3_MAX_NUM_DUMP_PAGES	((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
317 
318 /*
319  * Misc literals
320  */
321 #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
322 #define IPR_MAX_MSIX_VECTORS		0x10
323 #define IPR_MAX_HRRQ_NUM		0x10
324 #define IPR_INIT_HRRQ			0x0
325 
326 /*
327  * Adapter interface types
328  */
329 
330 struct ipr_res_addr {
331 	u8 reserved;
332 	u8 bus;
333 	u8 target;
334 	u8 lun;
335 #define IPR_GET_PHYS_LOC(res_addr) \
336 	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
337 }__attribute__((packed, aligned (4)));
338 
339 struct ipr_std_inq_vpids {
340 	u8 vendor_id[IPR_VENDOR_ID_LEN];
341 	u8 product_id[IPR_PROD_ID_LEN];
342 }__attribute__((packed));
343 
344 struct ipr_vpd {
345 	struct ipr_std_inq_vpids vpids;
346 	u8 sn[IPR_SERIAL_NUM_LEN];
347 }__attribute__((packed));
348 
349 struct ipr_ext_vpd {
350 	struct ipr_vpd vpd;
351 	__be32 wwid[2];
352 }__attribute__((packed));
353 
354 struct ipr_ext_vpd64 {
355 	struct ipr_vpd vpd;
356 	__be32 wwid[4];
357 }__attribute__((packed));
358 
359 struct ipr_std_inq_data {
360 	u8 peri_qual_dev_type;
361 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
362 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
363 
364 	u8 removeable_medium_rsvd;
365 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
366 
367 #define IPR_IS_DASD_DEVICE(std_inq) \
368 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
369 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
370 
371 #define IPR_IS_SES_DEVICE(std_inq) \
372 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
373 
374 	u8 version;
375 	u8 aen_naca_fmt;
376 	u8 additional_len;
377 	u8 sccs_rsvd;
378 	u8 bq_enc_multi;
379 	u8 sync_cmdq_flags;
380 
381 	struct ipr_std_inq_vpids vpids;
382 
383 	u8 ros_rsvd_ram_rsvd[4];
384 
385 	u8 serial_num[IPR_SERIAL_NUM_LEN];
386 }__attribute__ ((packed));
387 
388 #define IPR_RES_TYPE_AF_DASD		0x00
389 #define IPR_RES_TYPE_GENERIC_SCSI	0x01
390 #define IPR_RES_TYPE_VOLUME_SET		0x02
391 #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
392 #define IPR_RES_TYPE_GENERIC_ATA	0x04
393 #define IPR_RES_TYPE_ARRAY		0x05
394 #define IPR_RES_TYPE_IOAFP		0xff
395 
396 struct ipr_config_table_entry {
397 	u8 proto;
398 #define IPR_PROTO_SATA			0x02
399 #define IPR_PROTO_SATA_ATAPI		0x03
400 #define IPR_PROTO_SAS_STP		0x06
401 #define IPR_PROTO_SAS_STP_ATAPI		0x07
402 	u8 array_id;
403 	u8 flags;
404 #define IPR_IS_IOA_RESOURCE		0x80
405 	u8 rsvd_subtype;
406 
407 #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
408 #define IPR_QUEUE_FROZEN_MODEL		0
409 #define IPR_QUEUE_NACA_MODEL		1
410 
411 	struct ipr_res_addr res_addr;
412 	__be32 res_handle;
413 	__be32 lun_wwn[2];
414 	struct ipr_std_inq_data std_inq_data;
415 }__attribute__ ((packed, aligned (4)));
416 
417 struct ipr_config_table_entry64 {
418 	u8 res_type;
419 	u8 proto;
420 	u8 vset_num;
421 	u8 array_id;
422 	__be16 flags;
423 	__be16 res_flags;
424 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
425 	__be32 res_handle;
426 	u8 dev_id_type;
427 	u8 reserved[3];
428 	__be64 dev_id;
429 	__be64 lun;
430 	__be64 lun_wwn[2];
431 #define IPR_MAX_RES_PATH_LENGTH		48
432 	__be64 res_path;
433 	struct ipr_std_inq_data std_inq_data;
434 	u8 reserved2[4];
435 	__be64 reserved3[2];
436 	u8 reserved4[8];
437 }__attribute__ ((packed, aligned (8)));
438 
439 struct ipr_config_table_hdr {
440 	u8 num_entries;
441 	u8 flags;
442 #define IPR_UCODE_DOWNLOAD_REQ	0x10
443 	__be16 reserved;
444 }__attribute__((packed, aligned (4)));
445 
446 struct ipr_config_table_hdr64 {
447 	__be16 num_entries;
448 	__be16 reserved;
449 	u8 flags;
450 	u8 reserved2[11];
451 }__attribute__((packed, aligned (4)));
452 
453 struct ipr_config_table {
454 	struct ipr_config_table_hdr hdr;
455 	struct ipr_config_table_entry dev[0];
456 }__attribute__((packed, aligned (4)));
457 
458 struct ipr_config_table64 {
459 	struct ipr_config_table_hdr64 hdr64;
460 	struct ipr_config_table_entry64 dev[0];
461 }__attribute__((packed, aligned (8)));
462 
463 struct ipr_config_table_entry_wrapper {
464 	union {
465 		struct ipr_config_table_entry *cfgte;
466 		struct ipr_config_table_entry64 *cfgte64;
467 	} u;
468 };
469 
470 struct ipr_hostrcb_cfg_ch_not {
471 	union {
472 		struct ipr_config_table_entry cfgte;
473 		struct ipr_config_table_entry64 cfgte64;
474 	} u;
475 	u8 reserved[936];
476 }__attribute__((packed, aligned (4)));
477 
478 struct ipr_supported_device {
479 	__be16 data_length;
480 	u8 reserved;
481 	u8 num_records;
482 	struct ipr_std_inq_vpids vpids;
483 	u8 reserved2[16];
484 }__attribute__((packed, aligned (4)));
485 
486 struct ipr_hrr_queue {
487 	struct ipr_ioa_cfg *ioa_cfg;
488 	__be32 *host_rrq;
489 	dma_addr_t host_rrq_dma;
490 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
491 #define IPR_HRRQ_RESP_BIT_SET		0x00000002
492 #define IPR_HRRQ_TOGGLE_BIT		0x00000001
493 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
494 #define IPR_ID_HRRQ_SELE_ENABLE		0x02
495 	volatile __be32 *hrrq_start;
496 	volatile __be32 *hrrq_end;
497 	volatile __be32 *hrrq_curr;
498 
499 	struct list_head hrrq_free_q;
500 	struct list_head hrrq_pending_q;
501 	spinlock_t _lock;
502 	spinlock_t *lock;
503 
504 	volatile u32 toggle_bit;
505 	u32 size;
506 	u32 min_cmd_id;
507 	u32 max_cmd_id;
508 	u8 allow_interrupts:1;
509 	u8 ioa_is_dead:1;
510 	u8 allow_cmds:1;
511 	u8 removing_ioa:1;
512 
513 	struct blk_iopoll iopoll;
514 };
515 
516 /* Command packet structure */
517 struct ipr_cmd_pkt {
518 	u8 reserved;		/* Reserved by IOA */
519 	u8 hrrq_id;
520 	u8 request_type;
521 #define IPR_RQTYPE_SCSICDB		0x00
522 #define IPR_RQTYPE_IOACMD		0x01
523 #define IPR_RQTYPE_HCAM			0x02
524 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
525 #define IPR_RQTYPE_PIPE			0x05
526 
527 	u8 reserved2;
528 
529 	u8 flags_hi;
530 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
531 #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
532 #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
533 #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
534 #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
535 
536 	u8 flags_lo;
537 #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
538 #define IPR_FLAGS_LO_DELAY_AFTER_RST		0x10
539 #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
540 #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
541 #define IPR_FLAGS_LO_ORDERED_TASK		0x04
542 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
543 #define IPR_FLAGS_LO_ACA_TASK			0x08
544 
545 	u8 cdb[16];
546 	__be16 timeout;
547 }__attribute__ ((packed, aligned(4)));
548 
549 struct ipr_ioarcb_ata_regs {	/* 22 bytes */
550 	u8 flags;
551 #define IPR_ATA_FLAG_PACKET_CMD			0x80
552 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
553 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
554 	u8 reserved[3];
555 
556 	__be16 data;
557 	u8 feature;
558 	u8 nsect;
559 	u8 lbal;
560 	u8 lbam;
561 	u8 lbah;
562 	u8 device;
563 	u8 command;
564 	u8 reserved2[3];
565 	u8 hob_feature;
566 	u8 hob_nsect;
567 	u8 hob_lbal;
568 	u8 hob_lbam;
569 	u8 hob_lbah;
570 	u8 ctl;
571 }__attribute__ ((packed, aligned(2)));
572 
573 struct ipr_ioadl_desc {
574 	__be32 flags_and_data_len;
575 #define IPR_IOADL_FLAGS_MASK		0xff000000
576 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
577 #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
578 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
579 #define IPR_IOADL_FLAGS_READ		0x48000000
580 #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
581 #define IPR_IOADL_FLAGS_WRITE		0x68000000
582 #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
583 #define IPR_IOADL_FLAGS_LAST		0x01000000
584 
585 	__be32 address;
586 }__attribute__((packed, aligned (8)));
587 
588 struct ipr_ioadl64_desc {
589 	__be32 flags;
590 	__be32 data_len;
591 	__be64 address;
592 }__attribute__((packed, aligned (16)));
593 
594 struct ipr_ata64_ioadl {
595 	struct ipr_ioarcb_ata_regs regs;
596 	u16 reserved[5];
597 	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
598 }__attribute__((packed, aligned (16)));
599 
600 struct ipr_ioarcb_add_data {
601 	union {
602 		struct ipr_ioarcb_ata_regs regs;
603 		struct ipr_ioadl_desc ioadl[5];
604 		__be32 add_cmd_parms[10];
605 	} u;
606 }__attribute__ ((packed, aligned (4)));
607 
608 struct ipr_ioarcb_sis64_add_addr_ecb {
609 	__be64 ioasa_host_pci_addr;
610 	__be64 data_ioadl_addr;
611 	__be64 reserved;
612 	__be32 ext_control_buf[4];
613 }__attribute__((packed, aligned (8)));
614 
615 /* IOA Request Control Block    128 bytes  */
616 struct ipr_ioarcb {
617 	union {
618 		__be32 ioarcb_host_pci_addr;
619 		__be64 ioarcb_host_pci_addr64;
620 	} a;
621 	__be32 res_handle;
622 	__be32 host_response_handle;
623 	__be32 reserved1;
624 	__be32 reserved2;
625 	__be32 reserved3;
626 
627 	__be32 data_transfer_length;
628 	__be32 read_data_transfer_length;
629 	__be32 write_ioadl_addr;
630 	__be32 ioadl_len;
631 	__be32 read_ioadl_addr;
632 	__be32 read_ioadl_len;
633 
634 	__be32 ioasa_host_pci_addr;
635 	__be16 ioasa_len;
636 	__be16 reserved4;
637 
638 	struct ipr_cmd_pkt cmd_pkt;
639 
640 	__be16 add_cmd_parms_offset;
641 	__be16 add_cmd_parms_len;
642 
643 	union {
644 		struct ipr_ioarcb_add_data add_data;
645 		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
646 	} u;
647 
648 }__attribute__((packed, aligned (4)));
649 
650 struct ipr_ioasa_vset {
651 	__be32 failing_lba_hi;
652 	__be32 failing_lba_lo;
653 	__be32 reserved;
654 }__attribute__((packed, aligned (4)));
655 
656 struct ipr_ioasa_af_dasd {
657 	__be32 failing_lba;
658 	__be32 reserved[2];
659 }__attribute__((packed, aligned (4)));
660 
661 struct ipr_ioasa_gpdd {
662 	u8 end_state;
663 	u8 bus_phase;
664 	__be16 reserved;
665 	__be32 ioa_data[2];
666 }__attribute__((packed, aligned (4)));
667 
668 struct ipr_ioasa_gata {
669 	u8 error;
670 	u8 nsect;		/* Interrupt reason */
671 	u8 lbal;
672 	u8 lbam;
673 	u8 lbah;
674 	u8 device;
675 	u8 status;
676 	u8 alt_status;	/* ATA CTL */
677 	u8 hob_nsect;
678 	u8 hob_lbal;
679 	u8 hob_lbam;
680 	u8 hob_lbah;
681 }__attribute__((packed, aligned (4)));
682 
683 struct ipr_auto_sense {
684 	__be16 auto_sense_len;
685 	__be16 ioa_data_len;
686 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
687 };
688 
689 struct ipr_ioasa_hdr {
690 	__be32 ioasc;
691 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
692 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
693 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
694 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
695 
696 	__be16 ret_stat_len;	/* Length of the returned IOASA */
697 
698 	__be16 avail_stat_len;	/* Total Length of status available. */
699 
700 	__be32 residual_data_len;	/* number of bytes in the host data */
701 	/* buffers that were not used by the IOARCB command. */
702 
703 	__be32 ilid;
704 #define IPR_NO_ILID			0
705 #define IPR_DRIVER_ILID		0xffffffff
706 
707 	__be32 fd_ioasc;
708 
709 	__be32 fd_phys_locator;
710 
711 	__be32 fd_res_handle;
712 
713 	__be32 ioasc_specific;	/* status code specific field */
714 #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
715 #define IPR_AUTOSENSE_VALID			0x40000000
716 #define IPR_ATA_DEVICE_WAS_RESET		0x20000000
717 #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
718 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
719 #define IPR_FIELD_POINTER_MASK		0x0000ffff
720 
721 }__attribute__((packed, aligned (4)));
722 
723 struct ipr_ioasa {
724 	struct ipr_ioasa_hdr hdr;
725 
726 	union {
727 		struct ipr_ioasa_vset vset;
728 		struct ipr_ioasa_af_dasd dasd;
729 		struct ipr_ioasa_gpdd gpdd;
730 		struct ipr_ioasa_gata gata;
731 	} u;
732 
733 	struct ipr_auto_sense auto_sense;
734 }__attribute__((packed, aligned (4)));
735 
736 struct ipr_ioasa64 {
737 	struct ipr_ioasa_hdr hdr;
738 	u8 fd_res_path[8];
739 
740 	union {
741 		struct ipr_ioasa_vset vset;
742 		struct ipr_ioasa_af_dasd dasd;
743 		struct ipr_ioasa_gpdd gpdd;
744 		struct ipr_ioasa_gata gata;
745 	} u;
746 
747 	struct ipr_auto_sense auto_sense;
748 }__attribute__((packed, aligned (4)));
749 
750 struct ipr_mode_parm_hdr {
751 	u8 length;
752 	u8 medium_type;
753 	u8 device_spec_parms;
754 	u8 block_desc_len;
755 }__attribute__((packed));
756 
757 struct ipr_mode_pages {
758 	struct ipr_mode_parm_hdr hdr;
759 	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
760 }__attribute__((packed));
761 
762 struct ipr_mode_page_hdr {
763 	u8 ps_page_code;
764 #define IPR_MODE_PAGE_PS	0x80
765 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
766 	u8 page_length;
767 }__attribute__ ((packed));
768 
769 struct ipr_dev_bus_entry {
770 	struct ipr_res_addr res_addr;
771 	u8 flags;
772 #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
773 #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
774 #define IPR_SCSI_ATTR_QAS_MASK				0xC0
775 #define IPR_SCSI_ATTR_ENABLE_TM				0x20
776 #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
777 #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
778 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
779 
780 	u8 scsi_id;
781 	u8 bus_width;
782 	u8 extended_reset_delay;
783 #define IPR_EXTENDED_RESET_DELAY	7
784 
785 	__be32 max_xfer_rate;
786 
787 	u8 spinup_delay;
788 	u8 reserved3;
789 	__be16 reserved4;
790 }__attribute__((packed, aligned (4)));
791 
792 struct ipr_mode_page28 {
793 	struct ipr_mode_page_hdr hdr;
794 	u8 num_entries;
795 	u8 entry_length;
796 	struct ipr_dev_bus_entry bus[0];
797 }__attribute__((packed));
798 
799 struct ipr_mode_page24 {
800 	struct ipr_mode_page_hdr hdr;
801 	u8 flags;
802 #define IPR_ENABLE_DUAL_IOA_AF 0x80
803 }__attribute__((packed));
804 
805 struct ipr_ioa_vpd {
806 	struct ipr_std_inq_data std_inq_data;
807 	u8 ascii_part_num[12];
808 	u8 reserved[40];
809 	u8 ascii_plant_code[4];
810 }__attribute__((packed));
811 
812 struct ipr_inquiry_page3 {
813 	u8 peri_qual_dev_type;
814 	u8 page_code;
815 	u8 reserved1;
816 	u8 page_length;
817 	u8 ascii_len;
818 	u8 reserved2[3];
819 	u8 load_id[4];
820 	u8 major_release;
821 	u8 card_type;
822 	u8 minor_release[2];
823 	u8 ptf_number[4];
824 	u8 patch_number[4];
825 }__attribute__((packed));
826 
827 struct ipr_inquiry_cap {
828 	u8 peri_qual_dev_type;
829 	u8 page_code;
830 	u8 reserved1;
831 	u8 page_length;
832 	u8 ascii_len;
833 	u8 reserved2;
834 	u8 sis_version[2];
835 	u8 cap;
836 #define IPR_CAP_DUAL_IOA_RAID		0x80
837 	u8 reserved3[15];
838 }__attribute__((packed));
839 
840 #define IPR_INQUIRY_PAGE0_ENTRIES 20
841 struct ipr_inquiry_page0 {
842 	u8 peri_qual_dev_type;
843 	u8 page_code;
844 	u8 reserved1;
845 	u8 len;
846 	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
847 }__attribute__((packed));
848 
849 struct ipr_hostrcb_device_data_entry {
850 	struct ipr_vpd vpd;
851 	struct ipr_res_addr dev_res_addr;
852 	struct ipr_vpd new_vpd;
853 	struct ipr_vpd ioa_last_with_dev_vpd;
854 	struct ipr_vpd cfc_last_with_dev_vpd;
855 	__be32 ioa_data[5];
856 }__attribute__((packed, aligned (4)));
857 
858 struct ipr_hostrcb_device_data_entry_enhanced {
859 	struct ipr_ext_vpd vpd;
860 	u8 ccin[4];
861 	struct ipr_res_addr dev_res_addr;
862 	struct ipr_ext_vpd new_vpd;
863 	u8 new_ccin[4];
864 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
865 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
866 }__attribute__((packed, aligned (4)));
867 
868 struct ipr_hostrcb64_device_data_entry_enhanced {
869 	struct ipr_ext_vpd vpd;
870 	u8 ccin[4];
871 	u8 res_path[8];
872 	struct ipr_ext_vpd new_vpd;
873 	u8 new_ccin[4];
874 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
875 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
876 }__attribute__((packed, aligned (4)));
877 
878 struct ipr_hostrcb_array_data_entry {
879 	struct ipr_vpd vpd;
880 	struct ipr_res_addr expected_dev_res_addr;
881 	struct ipr_res_addr dev_res_addr;
882 }__attribute__((packed, aligned (4)));
883 
884 struct ipr_hostrcb64_array_data_entry {
885 	struct ipr_ext_vpd vpd;
886 	u8 ccin[4];
887 	u8 expected_res_path[8];
888 	u8 res_path[8];
889 }__attribute__((packed, aligned (4)));
890 
891 struct ipr_hostrcb_array_data_entry_enhanced {
892 	struct ipr_ext_vpd vpd;
893 	u8 ccin[4];
894 	struct ipr_res_addr expected_dev_res_addr;
895 	struct ipr_res_addr dev_res_addr;
896 }__attribute__((packed, aligned (4)));
897 
898 struct ipr_hostrcb_type_ff_error {
899 	__be32 ioa_data[758];
900 }__attribute__((packed, aligned (4)));
901 
902 struct ipr_hostrcb_type_01_error {
903 	__be32 seek_counter;
904 	__be32 read_counter;
905 	u8 sense_data[32];
906 	__be32 ioa_data[236];
907 }__attribute__((packed, aligned (4)));
908 
909 struct ipr_hostrcb_type_21_error {
910 	__be32 wwn[4];
911 	u8 res_path[8];
912 	u8 primary_problem_desc[32];
913 	u8 second_problem_desc[32];
914 	__be32 sense_data[8];
915 	__be32 cdb[4];
916 	__be32 residual_trans_length;
917 	__be32 length_of_error;
918 	__be32 ioa_data[236];
919 }__attribute__((packed, aligned (4)));
920 
921 struct ipr_hostrcb_type_02_error {
922 	struct ipr_vpd ioa_vpd;
923 	struct ipr_vpd cfc_vpd;
924 	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
925 	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
926 	__be32 ioa_data[3];
927 }__attribute__((packed, aligned (4)));
928 
929 struct ipr_hostrcb_type_12_error {
930 	struct ipr_ext_vpd ioa_vpd;
931 	struct ipr_ext_vpd cfc_vpd;
932 	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
933 	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
934 	__be32 ioa_data[3];
935 }__attribute__((packed, aligned (4)));
936 
937 struct ipr_hostrcb_type_03_error {
938 	struct ipr_vpd ioa_vpd;
939 	struct ipr_vpd cfc_vpd;
940 	__be32 errors_detected;
941 	__be32 errors_logged;
942 	u8 ioa_data[12];
943 	struct ipr_hostrcb_device_data_entry dev[3];
944 }__attribute__((packed, aligned (4)));
945 
946 struct ipr_hostrcb_type_13_error {
947 	struct ipr_ext_vpd ioa_vpd;
948 	struct ipr_ext_vpd cfc_vpd;
949 	__be32 errors_detected;
950 	__be32 errors_logged;
951 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
952 }__attribute__((packed, aligned (4)));
953 
954 struct ipr_hostrcb_type_23_error {
955 	struct ipr_ext_vpd ioa_vpd;
956 	struct ipr_ext_vpd cfc_vpd;
957 	__be32 errors_detected;
958 	__be32 errors_logged;
959 	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
960 }__attribute__((packed, aligned (4)));
961 
962 struct ipr_hostrcb_type_04_error {
963 	struct ipr_vpd ioa_vpd;
964 	struct ipr_vpd cfc_vpd;
965 	u8 ioa_data[12];
966 	struct ipr_hostrcb_array_data_entry array_member[10];
967 	__be32 exposed_mode_adn;
968 	__be32 array_id;
969 	struct ipr_vpd incomp_dev_vpd;
970 	__be32 ioa_data2;
971 	struct ipr_hostrcb_array_data_entry array_member2[8];
972 	struct ipr_res_addr last_func_vset_res_addr;
973 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
974 	u8 protection_level[8];
975 }__attribute__((packed, aligned (4)));
976 
977 struct ipr_hostrcb_type_14_error {
978 	struct ipr_ext_vpd ioa_vpd;
979 	struct ipr_ext_vpd cfc_vpd;
980 	__be32 exposed_mode_adn;
981 	__be32 array_id;
982 	struct ipr_res_addr last_func_vset_res_addr;
983 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
984 	u8 protection_level[8];
985 	__be32 num_entries;
986 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
987 }__attribute__((packed, aligned (4)));
988 
989 struct ipr_hostrcb_type_24_error {
990 	struct ipr_ext_vpd ioa_vpd;
991 	struct ipr_ext_vpd cfc_vpd;
992 	u8 reserved[2];
993 	u8 exposed_mode_adn;
994 #define IPR_INVALID_ARRAY_DEV_NUM		0xff
995 	u8 array_id;
996 	u8 last_res_path[8];
997 	u8 protection_level[8];
998 	struct ipr_ext_vpd64 array_vpd;
999 	u8 description[16];
1000 	u8 reserved2[3];
1001 	u8 num_entries;
1002 	struct ipr_hostrcb64_array_data_entry array_member[32];
1003 }__attribute__((packed, aligned (4)));
1004 
1005 struct ipr_hostrcb_type_07_error {
1006 	u8 failure_reason[64];
1007 	struct ipr_vpd vpd;
1008 	__be32 data[222];
1009 }__attribute__((packed, aligned (4)));
1010 
1011 struct ipr_hostrcb_type_17_error {
1012 	u8 failure_reason[64];
1013 	struct ipr_ext_vpd vpd;
1014 	__be32 data[476];
1015 }__attribute__((packed, aligned (4)));
1016 
1017 struct ipr_hostrcb_config_element {
1018 	u8 type_status;
1019 #define IPR_PATH_CFG_TYPE_MASK	0xF0
1020 #define IPR_PATH_CFG_NOT_EXIST	0x00
1021 #define IPR_PATH_CFG_IOA_PORT		0x10
1022 #define IPR_PATH_CFG_EXP_PORT		0x20
1023 #define IPR_PATH_CFG_DEVICE_PORT	0x30
1024 #define IPR_PATH_CFG_DEVICE_LUN	0x40
1025 
1026 #define IPR_PATH_CFG_STATUS_MASK	0x0F
1027 #define IPR_PATH_CFG_NO_PROB		0x00
1028 #define IPR_PATH_CFG_DEGRADED		0x01
1029 #define IPR_PATH_CFG_FAILED		0x02
1030 #define IPR_PATH_CFG_SUSPECT		0x03
1031 #define IPR_PATH_NOT_DETECTED		0x04
1032 #define IPR_PATH_INCORRECT_CONN	0x05
1033 
1034 	u8 cascaded_expander;
1035 	u8 phy;
1036 	u8 link_rate;
1037 #define IPR_PHY_LINK_RATE_MASK	0x0F
1038 
1039 	__be32 wwid[2];
1040 }__attribute__((packed, aligned (4)));
1041 
1042 struct ipr_hostrcb64_config_element {
1043 	__be16 length;
1044 	u8 descriptor_id;
1045 #define IPR_DESCRIPTOR_MASK		0xC0
1046 #define IPR_DESCRIPTOR_SIS64		0x00
1047 
1048 	u8 reserved;
1049 	u8 type_status;
1050 
1051 	u8 reserved2[2];
1052 	u8 link_rate;
1053 
1054 	u8 res_path[8];
1055 	__be32 wwid[2];
1056 }__attribute__((packed, aligned (8)));
1057 
1058 struct ipr_hostrcb_fabric_desc {
1059 	__be16 length;
1060 	u8 ioa_port;
1061 	u8 cascaded_expander;
1062 	u8 phy;
1063 	u8 path_state;
1064 #define IPR_PATH_ACTIVE_MASK		0xC0
1065 #define IPR_PATH_NO_INFO		0x00
1066 #define IPR_PATH_ACTIVE			0x40
1067 #define IPR_PATH_NOT_ACTIVE		0x80
1068 
1069 #define IPR_PATH_STATE_MASK		0x0F
1070 #define IPR_PATH_STATE_NO_INFO	0x00
1071 #define IPR_PATH_HEALTHY		0x01
1072 #define IPR_PATH_DEGRADED		0x02
1073 #define IPR_PATH_FAILED			0x03
1074 
1075 	__be16 num_entries;
1076 	struct ipr_hostrcb_config_element elem[1];
1077 }__attribute__((packed, aligned (4)));
1078 
1079 struct ipr_hostrcb64_fabric_desc {
1080 	__be16 length;
1081 	u8 descriptor_id;
1082 
1083 	u8 reserved[2];
1084 	u8 path_state;
1085 
1086 	u8 reserved2[2];
1087 	u8 res_path[8];
1088 	u8 reserved3[6];
1089 	__be16 num_entries;
1090 	struct ipr_hostrcb64_config_element elem[1];
1091 }__attribute__((packed, aligned (8)));
1092 
1093 #define for_each_hrrq(hrrq, ioa_cfg) \
1094 		for (hrrq = (ioa_cfg)->hrrq; \
1095 			hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1096 
1097 #define for_each_fabric_cfg(fabric, cfg) \
1098 		for (cfg = (fabric)->elem; \
1099 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1100 			cfg++)
1101 
1102 struct ipr_hostrcb_type_20_error {
1103 	u8 failure_reason[64];
1104 	u8 reserved[3];
1105 	u8 num_entries;
1106 	struct ipr_hostrcb_fabric_desc desc[1];
1107 }__attribute__((packed, aligned (4)));
1108 
1109 struct ipr_hostrcb_type_30_error {
1110 	u8 failure_reason[64];
1111 	u8 reserved[3];
1112 	u8 num_entries;
1113 	struct ipr_hostrcb64_fabric_desc desc[1];
1114 }__attribute__((packed, aligned (4)));
1115 
1116 struct ipr_hostrcb_error {
1117 	__be32 fd_ioasc;
1118 	struct ipr_res_addr fd_res_addr;
1119 	__be32 fd_res_handle;
1120 	__be32 prc;
1121 	union {
1122 		struct ipr_hostrcb_type_ff_error type_ff_error;
1123 		struct ipr_hostrcb_type_01_error type_01_error;
1124 		struct ipr_hostrcb_type_02_error type_02_error;
1125 		struct ipr_hostrcb_type_03_error type_03_error;
1126 		struct ipr_hostrcb_type_04_error type_04_error;
1127 		struct ipr_hostrcb_type_07_error type_07_error;
1128 		struct ipr_hostrcb_type_12_error type_12_error;
1129 		struct ipr_hostrcb_type_13_error type_13_error;
1130 		struct ipr_hostrcb_type_14_error type_14_error;
1131 		struct ipr_hostrcb_type_17_error type_17_error;
1132 		struct ipr_hostrcb_type_20_error type_20_error;
1133 	} u;
1134 }__attribute__((packed, aligned (4)));
1135 
1136 struct ipr_hostrcb64_error {
1137 	__be32 fd_ioasc;
1138 	__be32 ioa_fw_level;
1139 	__be32 fd_res_handle;
1140 	__be32 prc;
1141 	__be64 fd_dev_id;
1142 	__be64 fd_lun;
1143 	u8 fd_res_path[8];
1144 	__be64 time_stamp;
1145 	u8 reserved[16];
1146 	union {
1147 		struct ipr_hostrcb_type_ff_error type_ff_error;
1148 		struct ipr_hostrcb_type_12_error type_12_error;
1149 		struct ipr_hostrcb_type_17_error type_17_error;
1150 		struct ipr_hostrcb_type_21_error type_21_error;
1151 		struct ipr_hostrcb_type_23_error type_23_error;
1152 		struct ipr_hostrcb_type_24_error type_24_error;
1153 		struct ipr_hostrcb_type_30_error type_30_error;
1154 	} u;
1155 }__attribute__((packed, aligned (8)));
1156 
1157 struct ipr_hostrcb_raw {
1158 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1159 }__attribute__((packed, aligned (4)));
1160 
1161 struct ipr_hcam {
1162 	u8 op_code;
1163 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
1164 #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
1165 
1166 	u8 notify_type;
1167 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
1168 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
1169 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
1170 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
1171 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
1172 
1173 	u8 notifications_lost;
1174 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
1175 #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
1176 
1177 	u8 flags;
1178 #define IPR_HOSTRCB_INTERNAL_OPER	0x80
1179 #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
1180 
1181 	u8 overlay_id;
1182 #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
1183 #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
1184 #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
1185 #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
1186 #define IPR_HOST_RCB_OVERLAY_ID_6				0x06
1187 #define IPR_HOST_RCB_OVERLAY_ID_7				0x07
1188 #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
1189 #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
1190 #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
1191 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
1192 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
1193 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
1194 #define IPR_HOST_RCB_OVERLAY_ID_21				0x21
1195 #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
1196 #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
1197 #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
1198 #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
1199 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
1200 
1201 	u8 reserved1[3];
1202 	__be32 ilid;
1203 	__be32 time_since_last_ioa_reset;
1204 	__be32 reserved2;
1205 	__be32 length;
1206 
1207 	union {
1208 		struct ipr_hostrcb_error error;
1209 		struct ipr_hostrcb64_error error64;
1210 		struct ipr_hostrcb_cfg_ch_not ccn;
1211 		struct ipr_hostrcb_raw raw;
1212 	} u;
1213 }__attribute__((packed, aligned (4)));
1214 
1215 struct ipr_hostrcb {
1216 	struct ipr_hcam hcam;
1217 	dma_addr_t hostrcb_dma;
1218 	struct list_head queue;
1219 	struct ipr_ioa_cfg *ioa_cfg;
1220 	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1221 };
1222 
1223 /* IPR smart dump table structures */
1224 struct ipr_sdt_entry {
1225 	__be32 start_token;
1226 	__be32 end_token;
1227 	u8 reserved[4];
1228 
1229 	u8 flags;
1230 #define IPR_SDT_ENDIAN		0x80
1231 #define IPR_SDT_VALID_ENTRY	0x20
1232 
1233 	u8 resv;
1234 	__be16 priority;
1235 }__attribute__((packed, aligned (4)));
1236 
1237 struct ipr_sdt_header {
1238 	__be32 state;
1239 	__be32 num_entries;
1240 	__be32 num_entries_used;
1241 	__be32 dump_size;
1242 }__attribute__((packed, aligned (4)));
1243 
1244 struct ipr_sdt {
1245 	struct ipr_sdt_header hdr;
1246 	struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1247 }__attribute__((packed, aligned (4)));
1248 
1249 struct ipr_uc_sdt {
1250 	struct ipr_sdt_header hdr;
1251 	struct ipr_sdt_entry entry[1];
1252 }__attribute__((packed, aligned (4)));
1253 
1254 /*
1255  * Driver types
1256  */
1257 struct ipr_bus_attributes {
1258 	u8 bus;
1259 	u8 qas_enabled;
1260 	u8 bus_width;
1261 	u8 reserved;
1262 	u32 max_xfer_rate;
1263 };
1264 
1265 struct ipr_sata_port {
1266 	struct ipr_ioa_cfg *ioa_cfg;
1267 	struct ata_port *ap;
1268 	struct ipr_resource_entry *res;
1269 	struct ipr_ioasa_gata ioasa;
1270 };
1271 
1272 struct ipr_resource_entry {
1273 	u8 needs_sync_complete:1;
1274 	u8 in_erp:1;
1275 	u8 add_to_ml:1;
1276 	u8 del_from_ml:1;
1277 	u8 resetting_device:1;
1278 	u8 reset_occurred:1;
1279 	u8 raw_mode:1;
1280 
1281 	u32 bus;		/* AKA channel */
1282 	u32 target;		/* AKA id */
1283 	u32 lun;
1284 #define IPR_ARRAY_VIRTUAL_BUS			0x1
1285 #define IPR_VSET_VIRTUAL_BUS			0x2
1286 #define IPR_IOAFP_VIRTUAL_BUS			0x3
1287 
1288 #define IPR_GET_RES_PHYS_LOC(res) \
1289 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1290 
1291 	u8 ata_class;
1292 	u8 type;
1293 
1294 	u16 flags;
1295 	u16 res_flags;
1296 
1297 	u8 qmodel;
1298 	struct ipr_std_inq_data std_inq_data;
1299 
1300 	__be32 res_handle;
1301 	__be64 dev_id;
1302 	u64 lun_wwn;
1303 	struct scsi_lun dev_lun;
1304 	u8 res_path[8];
1305 
1306 	struct ipr_ioa_cfg *ioa_cfg;
1307 	struct scsi_device *sdev;
1308 	struct ipr_sata_port *sata_port;
1309 	struct list_head queue;
1310 }; /* struct ipr_resource_entry */
1311 
1312 struct ipr_resource_hdr {
1313 	u16 num_entries;
1314 	u16 reserved;
1315 };
1316 
1317 struct ipr_misc_cbs {
1318 	struct ipr_ioa_vpd ioa_vpd;
1319 	struct ipr_inquiry_page0 page0_data;
1320 	struct ipr_inquiry_page3 page3_data;
1321 	struct ipr_inquiry_cap cap;
1322 	struct ipr_mode_pages mode_pages;
1323 	struct ipr_supported_device supp_dev;
1324 };
1325 
1326 struct ipr_interrupt_offsets {
1327 	unsigned long set_interrupt_mask_reg;
1328 	unsigned long clr_interrupt_mask_reg;
1329 	unsigned long clr_interrupt_mask_reg32;
1330 	unsigned long sense_interrupt_mask_reg;
1331 	unsigned long sense_interrupt_mask_reg32;
1332 	unsigned long clr_interrupt_reg;
1333 	unsigned long clr_interrupt_reg32;
1334 
1335 	unsigned long sense_interrupt_reg;
1336 	unsigned long sense_interrupt_reg32;
1337 	unsigned long ioarrin_reg;
1338 	unsigned long sense_uproc_interrupt_reg;
1339 	unsigned long sense_uproc_interrupt_reg32;
1340 	unsigned long set_uproc_interrupt_reg;
1341 	unsigned long set_uproc_interrupt_reg32;
1342 	unsigned long clr_uproc_interrupt_reg;
1343 	unsigned long clr_uproc_interrupt_reg32;
1344 
1345 	unsigned long init_feedback_reg;
1346 
1347 	unsigned long dump_addr_reg;
1348 	unsigned long dump_data_reg;
1349 
1350 #define IPR_ENDIAN_SWAP_KEY		0x00080800
1351 	unsigned long endian_swap_reg;
1352 };
1353 
1354 struct ipr_interrupts {
1355 	void __iomem *set_interrupt_mask_reg;
1356 	void __iomem *clr_interrupt_mask_reg;
1357 	void __iomem *clr_interrupt_mask_reg32;
1358 	void __iomem *sense_interrupt_mask_reg;
1359 	void __iomem *sense_interrupt_mask_reg32;
1360 	void __iomem *clr_interrupt_reg;
1361 	void __iomem *clr_interrupt_reg32;
1362 
1363 	void __iomem *sense_interrupt_reg;
1364 	void __iomem *sense_interrupt_reg32;
1365 	void __iomem *ioarrin_reg;
1366 	void __iomem *sense_uproc_interrupt_reg;
1367 	void __iomem *sense_uproc_interrupt_reg32;
1368 	void __iomem *set_uproc_interrupt_reg;
1369 	void __iomem *set_uproc_interrupt_reg32;
1370 	void __iomem *clr_uproc_interrupt_reg;
1371 	void __iomem *clr_uproc_interrupt_reg32;
1372 
1373 	void __iomem *init_feedback_reg;
1374 
1375 	void __iomem *dump_addr_reg;
1376 	void __iomem *dump_data_reg;
1377 
1378 	void __iomem *endian_swap_reg;
1379 };
1380 
1381 struct ipr_chip_cfg_t {
1382 	u32 mailbox;
1383 	u16 max_cmds;
1384 	u8 cache_line_size;
1385 	u8 clear_isr;
1386 	u32 iopoll_weight;
1387 	struct ipr_interrupt_offsets regs;
1388 };
1389 
1390 struct ipr_chip_t {
1391 	u16 vendor;
1392 	u16 device;
1393 	u16 intr_type;
1394 #define IPR_USE_LSI			0x00
1395 #define IPR_USE_MSI			0x01
1396 #define IPR_USE_MSIX			0x02
1397 	u16 sis_type;
1398 #define IPR_SIS32			0x00
1399 #define IPR_SIS64			0x01
1400 	u16 bist_method;
1401 #define IPR_PCI_CFG			0x00
1402 #define IPR_MMIO			0x01
1403 	const struct ipr_chip_cfg_t *cfg;
1404 };
1405 
1406 enum ipr_shutdown_type {
1407 	IPR_SHUTDOWN_NORMAL = 0x00,
1408 	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1409 	IPR_SHUTDOWN_ABBREV = 0x80,
1410 	IPR_SHUTDOWN_NONE = 0x100,
1411 	IPR_SHUTDOWN_QUIESCE = 0x101,
1412 };
1413 
1414 struct ipr_trace_entry {
1415 	u32 time;
1416 
1417 	u8 op_code;
1418 	u8 ata_op_code;
1419 	u8 type;
1420 #define IPR_TRACE_START			0x00
1421 #define IPR_TRACE_FINISH		0xff
1422 	u8 cmd_index;
1423 
1424 	__be32 res_handle;
1425 	union {
1426 		u32 ioasc;
1427 		u32 add_data;
1428 		u32 res_addr;
1429 	} u;
1430 };
1431 
1432 struct ipr_sglist {
1433 	u32 order;
1434 	u32 num_sg;
1435 	u32 num_dma_sg;
1436 	u32 buffer_len;
1437 	struct scatterlist scatterlist[1];
1438 };
1439 
1440 enum ipr_sdt_state {
1441 	INACTIVE,
1442 	WAIT_FOR_DUMP,
1443 	GET_DUMP,
1444 	READ_DUMP,
1445 	ABORT_DUMP,
1446 	DUMP_OBTAINED
1447 };
1448 
1449 /* Per-controller data */
1450 struct ipr_ioa_cfg {
1451 	char eye_catcher[8];
1452 #define IPR_EYECATCHER			"iprcfg"
1453 
1454 	struct list_head queue;
1455 
1456 	u8 in_reset_reload:1;
1457 	u8 in_ioa_bringdown:1;
1458 	u8 ioa_unit_checked:1;
1459 	u8 dump_taken:1;
1460 	u8 scan_done:1;
1461 	u8 needs_hard_reset:1;
1462 	u8 dual_raid:1;
1463 	u8 needs_warm_reset:1;
1464 	u8 msi_received:1;
1465 	u8 sis64:1;
1466 	u8 dump_timeout:1;
1467 	u8 cfg_locked:1;
1468 	u8 clear_isr:1;
1469 	u8 probe_done:1;
1470 
1471 	u8 revid;
1472 
1473 	/*
1474 	 * Bitmaps for SIS64 generated target values
1475 	 */
1476 	unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1477 	unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1478 	unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1479 
1480 	u16 type; /* CCIN of the card */
1481 
1482 	u8 log_level;
1483 #define IPR_MAX_LOG_LEVEL			4
1484 #define IPR_DEFAULT_LOG_LEVEL		2
1485 
1486 #define IPR_NUM_TRACE_INDEX_BITS	8
1487 #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
1488 #define IPR_TRACE_INDEX_MASK		(IPR_NUM_TRACE_ENTRIES - 1)
1489 #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1490 	char trace_start[8];
1491 #define IPR_TRACE_START_LABEL			"trace"
1492 	struct ipr_trace_entry *trace;
1493 	atomic_t trace_index;
1494 
1495 	char cfg_table_start[8];
1496 #define IPR_CFG_TBL_START		"cfg"
1497 	union {
1498 		struct ipr_config_table *cfg_table;
1499 		struct ipr_config_table64 *cfg_table64;
1500 	} u;
1501 	dma_addr_t cfg_table_dma;
1502 	u32 cfg_table_size;
1503 	u32 max_devs_supported;
1504 
1505 	char resource_table_label[8];
1506 #define IPR_RES_TABLE_LABEL		"res_tbl"
1507 	struct ipr_resource_entry *res_entries;
1508 	struct list_head free_res_q;
1509 	struct list_head used_res_q;
1510 
1511 	char ipr_hcam_label[8];
1512 #define IPR_HCAM_LABEL			"hcams"
1513 	struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1514 	dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1515 	struct list_head hostrcb_free_q;
1516 	struct list_head hostrcb_pending_q;
1517 
1518 	struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1519 	u32 hrrq_num;
1520 	atomic_t  hrrq_index;
1521 	u16 identify_hrrq_index;
1522 
1523 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1524 
1525 	unsigned int transop_timeout;
1526 	const struct ipr_chip_cfg_t *chip_cfg;
1527 	const struct ipr_chip_t *ipr_chip;
1528 
1529 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
1530 	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
1531 	void __iomem *ioa_mailbox;
1532 	struct ipr_interrupts regs;
1533 
1534 	u16 saved_pcix_cmd_reg;
1535 	u16 reset_retries;
1536 
1537 	u32 errors_logged;
1538 	u32 doorbell;
1539 
1540 	struct Scsi_Host *host;
1541 	struct pci_dev *pdev;
1542 	struct ipr_sglist *ucode_sglist;
1543 	u8 saved_mode_page_len;
1544 
1545 	struct work_struct work_q;
1546 	struct workqueue_struct *reset_work_q;
1547 
1548 	wait_queue_head_t reset_wait_q;
1549 	wait_queue_head_t msi_wait_q;
1550 	wait_queue_head_t eeh_wait_q;
1551 
1552 	struct ipr_dump *dump;
1553 	enum ipr_sdt_state sdt_state;
1554 
1555 	struct ipr_misc_cbs *vpd_cbs;
1556 	dma_addr_t vpd_cbs_dma;
1557 
1558 	struct dma_pool *ipr_cmd_pool;
1559 
1560 	struct ipr_cmnd *reset_cmd;
1561 	int (*reset) (struct ipr_cmnd *);
1562 
1563 	struct ata_host ata_host;
1564 	char ipr_cmd_label[8];
1565 #define IPR_CMD_LABEL		"ipr_cmd"
1566 	u32 max_cmds;
1567 	struct ipr_cmnd **ipr_cmnd_list;
1568 	dma_addr_t *ipr_cmnd_list_dma;
1569 
1570 	u16 intr_flag;
1571 	unsigned int nvectors;
1572 
1573 	struct {
1574 		unsigned short vec;
1575 		char desc[22];
1576 	} vectors_info[IPR_MAX_MSIX_VECTORS];
1577 
1578 	u32 iopoll_weight;
1579 
1580 }; /* struct ipr_ioa_cfg */
1581 
1582 struct ipr_cmnd {
1583 	struct ipr_ioarcb ioarcb;
1584 	union {
1585 		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1586 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1587 		struct ipr_ata64_ioadl ata_ioadl;
1588 	} i;
1589 	union {
1590 		struct ipr_ioasa ioasa;
1591 		struct ipr_ioasa64 ioasa64;
1592 	} s;
1593 	struct list_head queue;
1594 	struct scsi_cmnd *scsi_cmd;
1595 	struct ata_queued_cmd *qc;
1596 	struct completion completion;
1597 	struct timer_list timer;
1598 	struct work_struct work;
1599 	void (*fast_done) (struct ipr_cmnd *);
1600 	void (*done) (struct ipr_cmnd *);
1601 	int (*job_step) (struct ipr_cmnd *);
1602 	int (*job_step_failed) (struct ipr_cmnd *);
1603 	u16 cmd_index;
1604 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1605 	dma_addr_t sense_buffer_dma;
1606 	unsigned short dma_use_sg;
1607 	dma_addr_t dma_addr;
1608 	struct ipr_cmnd *sibling;
1609 	union {
1610 		enum ipr_shutdown_type shutdown_type;
1611 		struct ipr_hostrcb *hostrcb;
1612 		unsigned long time_left;
1613 		unsigned long scratch;
1614 		struct ipr_resource_entry *res;
1615 		struct scsi_device *sdev;
1616 	} u;
1617 
1618 	struct completion *eh_comp;
1619 	struct ipr_hrr_queue *hrrq;
1620 	struct ipr_ioa_cfg *ioa_cfg;
1621 };
1622 
1623 struct ipr_ses_table_entry {
1624 	char product_id[17];
1625 	char compare_product_id_byte[17];
1626 	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
1627 };
1628 
1629 struct ipr_dump_header {
1630 	u32 eye_catcher;
1631 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1632 	u32 len;
1633 	u32 num_entries;
1634 	u32 first_entry_offset;
1635 	u32 status;
1636 #define IPR_DUMP_STATUS_SUCCESS			0
1637 #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
1638 #define IPR_DUMP_STATUS_FAILED			0xffffffff
1639 	u32 os;
1640 #define IPR_DUMP_OS_LINUX	0x4C4E5558
1641 	u32 driver_name;
1642 #define IPR_DUMP_DRIVER_NAME	0x49505232
1643 }__attribute__((packed, aligned (4)));
1644 
1645 struct ipr_dump_entry_header {
1646 	u32 eye_catcher;
1647 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1648 	u32 len;
1649 	u32 num_elems;
1650 	u32 offset;
1651 	u32 data_type;
1652 #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
1653 #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
1654 	u32 id;
1655 #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
1656 #define IPR_DUMP_LOCATION_ID		0x4C4F4341
1657 #define IPR_DUMP_TRACE_ID		0x54524143
1658 #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
1659 #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
1660 #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
1661 #define IPR_DUMP_PEND_OPS		0x414F5053
1662 	u32 status;
1663 }__attribute__((packed, aligned (4)));
1664 
1665 struct ipr_dump_location_entry {
1666 	struct ipr_dump_entry_header hdr;
1667 	u8 location[20];
1668 }__attribute__((packed));
1669 
1670 struct ipr_dump_trace_entry {
1671 	struct ipr_dump_entry_header hdr;
1672 	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1673 }__attribute__((packed, aligned (4)));
1674 
1675 struct ipr_dump_version_entry {
1676 	struct ipr_dump_entry_header hdr;
1677 	u8 version[sizeof(IPR_DRIVER_VERSION)];
1678 };
1679 
1680 struct ipr_dump_ioa_type_entry {
1681 	struct ipr_dump_entry_header hdr;
1682 	u32 type;
1683 	u32 fw_version;
1684 };
1685 
1686 struct ipr_driver_dump {
1687 	struct ipr_dump_header hdr;
1688 	struct ipr_dump_version_entry version_entry;
1689 	struct ipr_dump_location_entry location_entry;
1690 	struct ipr_dump_ioa_type_entry ioa_type_entry;
1691 	struct ipr_dump_trace_entry trace_entry;
1692 }__attribute__((packed));
1693 
1694 struct ipr_ioa_dump {
1695 	struct ipr_dump_entry_header hdr;
1696 	struct ipr_sdt sdt;
1697 	__be32 **ioa_data;
1698 	u32 reserved;
1699 	u32 next_page_index;
1700 	u32 page_offset;
1701 	u32 format;
1702 }__attribute__((packed, aligned (4)));
1703 
1704 struct ipr_dump {
1705 	struct kref kref;
1706 	struct ipr_ioa_cfg *ioa_cfg;
1707 	struct ipr_driver_dump driver_dump;
1708 	struct ipr_ioa_dump ioa_dump;
1709 };
1710 
1711 struct ipr_error_table_t {
1712 	u32 ioasc;
1713 	int log_ioasa;
1714 	int log_hcam;
1715 	char *error;
1716 };
1717 
1718 struct ipr_software_inq_lid_info {
1719 	__be32 load_id;
1720 	__be32 timestamp[3];
1721 }__attribute__((packed, aligned (4)));
1722 
1723 struct ipr_ucode_image_header {
1724 	__be32 header_length;
1725 	__be32 lid_table_offset;
1726 	u8 major_release;
1727 	u8 card_type;
1728 	u8 minor_release[2];
1729 	u8 reserved[20];
1730 	char eyecatcher[16];
1731 	__be32 num_lids;
1732 	struct ipr_software_inq_lid_info lid[1];
1733 }__attribute__((packed, aligned (4)));
1734 
1735 /*
1736  * Macros
1737  */
1738 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1739 
1740 #ifdef CONFIG_SCSI_IPR_TRACE
1741 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1742 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1743 #else
1744 #define ipr_create_trace_file(kobj, attr) 0
1745 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1746 #endif
1747 
1748 #ifdef CONFIG_SCSI_IPR_DUMP
1749 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1750 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1751 #else
1752 #define ipr_create_dump_file(kobj, attr) 0
1753 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1754 #endif
1755 
1756 /*
1757  * Error logging macros
1758  */
1759 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1760 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1761 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1762 
1763 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1764 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1765 		bus, target, lun, ##__VA_ARGS__)
1766 
1767 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1768 	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1769 
1770 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1771 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1772 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1773 
1774 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1775 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1776 
1777 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
1778 {									\
1779 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
1780 		ipr_err(fmt": unknown\n", ##__VA_ARGS__);		\
1781 	} else {							\
1782 		ipr_err(fmt": %d:%d:%d:%d\n",				\
1783 			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
1784 			(res).bus, (res).target, (res).lun);		\
1785 	}								\
1786 }
1787 
1788 #define ipr_hcam_err(hostrcb, fmt, ...)					\
1789 {									\
1790 	if (ipr_is_device(hostrcb)) {					\
1791 		if ((hostrcb)->ioa_cfg->sis64) {			\
1792 			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
1793 				ipr_format_res_path(hostrcb->ioa_cfg,	\
1794 					hostrcb->hcam.u.error64.fd_res_path, \
1795 					hostrcb->rp_buffer,		\
1796 					sizeof(hostrcb->rp_buffer)),	\
1797 				__VA_ARGS__);				\
1798 		} else {						\
1799 			ipr_ra_err((hostrcb)->ioa_cfg,			\
1800 				(hostrcb)->hcam.u.error.fd_res_addr,	\
1801 				fmt, __VA_ARGS__);			\
1802 		}							\
1803 	} else {							\
1804 		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1805 	}								\
1806 }
1807 
1808 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1809 	__FILE__, __func__, __LINE__)
1810 
1811 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1812 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1813 
1814 #define ipr_err_separator \
1815 ipr_err("----------------------------------------------------------\n")
1816 
1817 
1818 /*
1819  * Inlines
1820  */
1821 
1822 /**
1823  * ipr_is_ioa_resource - Determine if a resource is the IOA
1824  * @res:	resource entry struct
1825  *
1826  * Return value:
1827  * 	1 if IOA / 0 if not IOA
1828  **/
1829 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1830 {
1831 	return res->type == IPR_RES_TYPE_IOAFP;
1832 }
1833 
1834 /**
1835  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1836  * @res:	resource entry struct
1837  *
1838  * Return value:
1839  * 	1 if AF DASD / 0 if not AF DASD
1840  **/
1841 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1842 {
1843 	return res->type == IPR_RES_TYPE_AF_DASD ||
1844 		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1845 }
1846 
1847 /**
1848  * ipr_is_vset_device - Determine if a resource is a VSET
1849  * @res:	resource entry struct
1850  *
1851  * Return value:
1852  * 	1 if VSET / 0 if not VSET
1853  **/
1854 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1855 {
1856 	return res->type == IPR_RES_TYPE_VOLUME_SET;
1857 }
1858 
1859 /**
1860  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1861  * @res:	resource entry struct
1862  *
1863  * Return value:
1864  * 	1 if GSCSI / 0 if not GSCSI
1865  **/
1866 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1867 {
1868 	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1869 }
1870 
1871 /**
1872  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1873  * @res:	resource entry struct
1874  *
1875  * Return value:
1876  * 	1 if SCSI disk / 0 if not SCSI disk
1877  **/
1878 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1879 {
1880 	if (ipr_is_af_dasd_device(res) ||
1881 	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1882 		return 1;
1883 	else
1884 		return 0;
1885 }
1886 
1887 /**
1888  * ipr_is_gata - Determine if a resource is a generic ATA resource
1889  * @res:	resource entry struct
1890  *
1891  * Return value:
1892  * 	1 if GATA / 0 if not GATA
1893  **/
1894 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1895 {
1896 	return res->type == IPR_RES_TYPE_GENERIC_ATA;
1897 }
1898 
1899 /**
1900  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1901  * @res:	resource entry struct
1902  *
1903  * Return value:
1904  * 	1 if NACA queueing model / 0 if not NACA queueing model
1905  **/
1906 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1907 {
1908 	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1909 		return 1;
1910 	return 0;
1911 }
1912 
1913 /**
1914  * ipr_is_device - Determine if the hostrcb structure is related to a device
1915  * @hostrcb:	host resource control blocks struct
1916  *
1917  * Return value:
1918  * 	1 if AF / 0 if not AF
1919  **/
1920 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1921 {
1922 	struct ipr_res_addr *res_addr;
1923 	u8 *res_path;
1924 
1925 	if (hostrcb->ioa_cfg->sis64) {
1926 		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1927 		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1928 		    res_path[0] == 0x81) && res_path[2] != 0xFF)
1929 			return 1;
1930 	} else {
1931 		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1932 
1933 		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1934 		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1935 			return 1;
1936 	}
1937 	return 0;
1938 }
1939 
1940 /**
1941  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1942  * @sdt_word:	SDT address
1943  *
1944  * Return value:
1945  * 	1 if format 2 / 0 if not
1946  **/
1947 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1948 {
1949 	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1950 
1951 	switch (bar_sel) {
1952 	case IPR_SDT_FMT2_BAR0_SEL:
1953 	case IPR_SDT_FMT2_BAR1_SEL:
1954 	case IPR_SDT_FMT2_BAR2_SEL:
1955 	case IPR_SDT_FMT2_BAR3_SEL:
1956 	case IPR_SDT_FMT2_BAR4_SEL:
1957 	case IPR_SDT_FMT2_BAR5_SEL:
1958 	case IPR_SDT_FMT2_EXP_ROM_SEL:
1959 		return 1;
1960 	};
1961 
1962 	return 0;
1963 }
1964 
1965 #ifndef writeq
1966 static inline void writeq(u64 val, void __iomem *addr)
1967 {
1968         writel(((u32) (val >> 32)), addr);
1969         writel(((u32) (val)), (addr + 4));
1970 }
1971 #endif
1972 
1973 #endif /* _IPR_H */
1974