xref: /openbmc/linux/drivers/scsi/ipr.h (revision e8f6f3b4)
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_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 
142 #define IPR_FIRST_DRIVER_IOASC			0x10000000
143 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
144 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
145 
146 /* Driver data flags */
147 #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
148 #define IPR_USE_PCI_WARM_RESET			0x00000002
149 
150 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
151 #define IPR_NUM_LOG_HCAMS				2
152 #define IPR_NUM_CFG_CHG_HCAMS				2
153 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
154 
155 #define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
156 #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
157 
158 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
159 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
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 
166 #define IPR_NUM_RESET_RELOAD_RETRIES		3
167 
168 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
169 #define IPR_NUM_INTERNAL_CMD_BLKS	(IPR_NUM_HCAMS + \
170                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
171 
172 #define IPR_MAX_COMMANDS		100
173 #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
174 						IPR_NUM_INTERNAL_CMD_BLKS)
175 
176 #define IPR_MAX_PHYSICAL_DEVS				192
177 #define IPR_DEFAULT_SIS64_DEVS				1024
178 #define IPR_MAX_SIS64_DEVS				4096
179 
180 #define IPR_MAX_SGLIST					64
181 #define IPR_IOA_MAX_SECTORS				32767
182 #define IPR_VSET_MAX_SECTORS				512
183 #define IPR_MAX_CDB_LEN					16
184 #define IPR_MAX_HRRQ_RETRIES				3
185 
186 #define IPR_DEFAULT_BUS_WIDTH				16
187 #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
188 #define IPR_U160_SCSI_RATE	((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
189 #define IPR_U320_SCSI_RATE	((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
190 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
191 
192 #define IPR_IOA_RES_HANDLE				0xffffffff
193 #define IPR_INVALID_RES_HANDLE			0
194 #define IPR_IOA_RES_ADDR				0x00ffffff
195 
196 /*
197  * Adapter Commands
198  */
199 #define IPR_QUERY_RSRC_STATE				0xC2
200 #define IPR_RESET_DEVICE				0xC3
201 #define	IPR_RESET_TYPE_SELECT				0x80
202 #define	IPR_LUN_RESET					0x40
203 #define	IPR_TARGET_RESET					0x20
204 #define	IPR_BUS_RESET					0x10
205 #define	IPR_ATA_PHY_RESET					0x80
206 #define IPR_ID_HOST_RR_Q				0xC4
207 #define IPR_QUERY_IOA_CONFIG				0xC5
208 #define IPR_CANCEL_ALL_REQUESTS			0xCE
209 #define IPR_HOST_CONTROLLED_ASYNC			0xCF
210 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
211 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
212 #define IPR_SET_SUPPORTED_DEVICES			0xFB
213 #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
214 #define IPR_IOA_SHUTDOWN				0xF7
215 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
216 
217 /*
218  * Timeouts
219  */
220 #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
221 #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
222 #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)
223 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)
224 #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
225 #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
226 #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
227 #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
228 #define IPR_WRITE_BUFFER_TIMEOUT		(30 * 60 * HZ)
229 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
230 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
231 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
232 #define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)
233 #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
234 #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
235 #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)
236 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT	(120 * HZ)
237 #define IPR_PCI_RESET_TIMEOUT			(HZ / 2)
238 #define IPR_SIS32_DUMP_TIMEOUT			(15 * HZ)
239 #define IPR_SIS64_DUMP_TIMEOUT			(40 * HZ)
240 #define IPR_DUMP_DELAY_SECONDS			4
241 #define IPR_DUMP_DELAY_TIMEOUT			(IPR_DUMP_DELAY_SECONDS * HZ)
242 
243 /*
244  * SCSI Literals
245  */
246 #define IPR_VENDOR_ID_LEN			8
247 #define IPR_PROD_ID_LEN				16
248 #define IPR_SERIAL_NUM_LEN			8
249 
250 /*
251  * Hardware literals
252  */
253 #define IPR_FMT2_MBX_ADDR_MASK				0x0fffffff
254 #define IPR_FMT2_MBX_BAR_SEL_MASK			0xf0000000
255 #define IPR_FMT2_MKR_BAR_SEL_SHIFT			28
256 #define IPR_GET_FMT2_BAR_SEL(mbx) \
257 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
258 #define IPR_SDT_FMT2_BAR0_SEL				0x0
259 #define IPR_SDT_FMT2_BAR1_SEL				0x1
260 #define IPR_SDT_FMT2_BAR2_SEL				0x2
261 #define IPR_SDT_FMT2_BAR3_SEL				0x3
262 #define IPR_SDT_FMT2_BAR4_SEL				0x4
263 #define IPR_SDT_FMT2_BAR5_SEL				0x5
264 #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
265 #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2
266 #define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3
267 #define IPR_DOORBELL					0x82800000
268 #define IPR_RUNTIME_RESET				0x40000000
269 
270 #define IPR_IPL_INIT_MIN_STAGE_TIME			5
271 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 15
272 #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
273 #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
274 #define IPR_IPL_INIT_STAGE_MASK				0xff000000
275 #define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
276 #define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)
277 
278 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
279 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
280 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
281 #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
282 #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
283 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
284 #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
285 #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
286 #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
287 #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
288 #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
289 
290 #define IPR_PCII_ERROR_INTERRUPTS \
291 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
292 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
293 
294 #define IPR_PCII_OPER_INTERRUPTS \
295 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
296 
297 #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
298 #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)
299 #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)
300 
301 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
302 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
303 
304 /*
305  * Dump literals
306  */
307 #define IPR_FMT2_MAX_IOA_DUMP_SIZE			(4 * 1024 * 1024)
308 #define IPR_FMT3_MAX_IOA_DUMP_SIZE			(80 * 1024 * 1024)
309 #define IPR_FMT2_NUM_SDT_ENTRIES			511
310 #define IPR_FMT3_NUM_SDT_ENTRIES			0xFFF
311 #define IPR_FMT2_MAX_NUM_DUMP_PAGES	((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
312 #define IPR_FMT3_MAX_NUM_DUMP_PAGES	((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
313 
314 /*
315  * Misc literals
316  */
317 #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
318 #define IPR_MAX_MSIX_VECTORS		0x10
319 #define IPR_MAX_HRRQ_NUM		0x10
320 #define IPR_INIT_HRRQ			0x0
321 
322 /*
323  * Adapter interface types
324  */
325 
326 struct ipr_res_addr {
327 	u8 reserved;
328 	u8 bus;
329 	u8 target;
330 	u8 lun;
331 #define IPR_GET_PHYS_LOC(res_addr) \
332 	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
333 }__attribute__((packed, aligned (4)));
334 
335 struct ipr_std_inq_vpids {
336 	u8 vendor_id[IPR_VENDOR_ID_LEN];
337 	u8 product_id[IPR_PROD_ID_LEN];
338 }__attribute__((packed));
339 
340 struct ipr_vpd {
341 	struct ipr_std_inq_vpids vpids;
342 	u8 sn[IPR_SERIAL_NUM_LEN];
343 }__attribute__((packed));
344 
345 struct ipr_ext_vpd {
346 	struct ipr_vpd vpd;
347 	__be32 wwid[2];
348 }__attribute__((packed));
349 
350 struct ipr_ext_vpd64 {
351 	struct ipr_vpd vpd;
352 	__be32 wwid[4];
353 }__attribute__((packed));
354 
355 struct ipr_std_inq_data {
356 	u8 peri_qual_dev_type;
357 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
358 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
359 
360 	u8 removeable_medium_rsvd;
361 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
362 
363 #define IPR_IS_DASD_DEVICE(std_inq) \
364 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
365 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
366 
367 #define IPR_IS_SES_DEVICE(std_inq) \
368 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
369 
370 	u8 version;
371 	u8 aen_naca_fmt;
372 	u8 additional_len;
373 	u8 sccs_rsvd;
374 	u8 bq_enc_multi;
375 	u8 sync_cmdq_flags;
376 
377 	struct ipr_std_inq_vpids vpids;
378 
379 	u8 ros_rsvd_ram_rsvd[4];
380 
381 	u8 serial_num[IPR_SERIAL_NUM_LEN];
382 }__attribute__ ((packed));
383 
384 #define IPR_RES_TYPE_AF_DASD		0x00
385 #define IPR_RES_TYPE_GENERIC_SCSI	0x01
386 #define IPR_RES_TYPE_VOLUME_SET		0x02
387 #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
388 #define IPR_RES_TYPE_GENERIC_ATA	0x04
389 #define IPR_RES_TYPE_ARRAY		0x05
390 #define IPR_RES_TYPE_IOAFP		0xff
391 
392 struct ipr_config_table_entry {
393 	u8 proto;
394 #define IPR_PROTO_SATA			0x02
395 #define IPR_PROTO_SATA_ATAPI		0x03
396 #define IPR_PROTO_SAS_STP		0x06
397 #define IPR_PROTO_SAS_STP_ATAPI		0x07
398 	u8 array_id;
399 	u8 flags;
400 #define IPR_IS_IOA_RESOURCE		0x80
401 	u8 rsvd_subtype;
402 
403 #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
404 #define IPR_QUEUE_FROZEN_MODEL		0
405 #define IPR_QUEUE_NACA_MODEL		1
406 
407 	struct ipr_res_addr res_addr;
408 	__be32 res_handle;
409 	__be32 lun_wwn[2];
410 	struct ipr_std_inq_data std_inq_data;
411 }__attribute__ ((packed, aligned (4)));
412 
413 struct ipr_config_table_entry64 {
414 	u8 res_type;
415 	u8 proto;
416 	u8 vset_num;
417 	u8 array_id;
418 	__be16 flags;
419 	__be16 res_flags;
420 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
421 	__be32 res_handle;
422 	u8 dev_id_type;
423 	u8 reserved[3];
424 	__be64 dev_id;
425 	__be64 lun;
426 	__be64 lun_wwn[2];
427 #define IPR_MAX_RES_PATH_LENGTH		48
428 	__be64 res_path;
429 	struct ipr_std_inq_data std_inq_data;
430 	u8 reserved2[4];
431 	__be64 reserved3[2];
432 	u8 reserved4[8];
433 }__attribute__ ((packed, aligned (8)));
434 
435 struct ipr_config_table_hdr {
436 	u8 num_entries;
437 	u8 flags;
438 #define IPR_UCODE_DOWNLOAD_REQ	0x10
439 	__be16 reserved;
440 }__attribute__((packed, aligned (4)));
441 
442 struct ipr_config_table_hdr64 {
443 	__be16 num_entries;
444 	__be16 reserved;
445 	u8 flags;
446 	u8 reserved2[11];
447 }__attribute__((packed, aligned (4)));
448 
449 struct ipr_config_table {
450 	struct ipr_config_table_hdr hdr;
451 	struct ipr_config_table_entry dev[0];
452 }__attribute__((packed, aligned (4)));
453 
454 struct ipr_config_table64 {
455 	struct ipr_config_table_hdr64 hdr64;
456 	struct ipr_config_table_entry64 dev[0];
457 }__attribute__((packed, aligned (8)));
458 
459 struct ipr_config_table_entry_wrapper {
460 	union {
461 		struct ipr_config_table_entry *cfgte;
462 		struct ipr_config_table_entry64 *cfgte64;
463 	} u;
464 };
465 
466 struct ipr_hostrcb_cfg_ch_not {
467 	union {
468 		struct ipr_config_table_entry cfgte;
469 		struct ipr_config_table_entry64 cfgte64;
470 	} u;
471 	u8 reserved[936];
472 }__attribute__((packed, aligned (4)));
473 
474 struct ipr_supported_device {
475 	__be16 data_length;
476 	u8 reserved;
477 	u8 num_records;
478 	struct ipr_std_inq_vpids vpids;
479 	u8 reserved2[16];
480 }__attribute__((packed, aligned (4)));
481 
482 struct ipr_hrr_queue {
483 	struct ipr_ioa_cfg *ioa_cfg;
484 	__be32 *host_rrq;
485 	dma_addr_t host_rrq_dma;
486 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
487 #define IPR_HRRQ_RESP_BIT_SET		0x00000002
488 #define IPR_HRRQ_TOGGLE_BIT		0x00000001
489 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
490 #define IPR_ID_HRRQ_SELE_ENABLE		0x02
491 	volatile __be32 *hrrq_start;
492 	volatile __be32 *hrrq_end;
493 	volatile __be32 *hrrq_curr;
494 
495 	struct list_head hrrq_free_q;
496 	struct list_head hrrq_pending_q;
497 	spinlock_t _lock;
498 	spinlock_t *lock;
499 
500 	volatile u32 toggle_bit;
501 	u32 size;
502 	u32 min_cmd_id;
503 	u32 max_cmd_id;
504 	u8 allow_interrupts:1;
505 	u8 ioa_is_dead:1;
506 	u8 allow_cmds:1;
507 	u8 removing_ioa:1;
508 
509 	struct blk_iopoll iopoll;
510 };
511 
512 /* Command packet structure */
513 struct ipr_cmd_pkt {
514 	u8 reserved;		/* Reserved by IOA */
515 	u8 hrrq_id;
516 	u8 request_type;
517 #define IPR_RQTYPE_SCSICDB		0x00
518 #define IPR_RQTYPE_IOACMD		0x01
519 #define IPR_RQTYPE_HCAM			0x02
520 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
521 
522 	u8 reserved2;
523 
524 	u8 flags_hi;
525 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
526 #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
527 #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
528 #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
529 #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
530 
531 	u8 flags_lo;
532 #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
533 #define IPR_FLAGS_LO_DELAY_AFTER_RST		0x10
534 #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
535 #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
536 #define IPR_FLAGS_LO_ORDERED_TASK		0x04
537 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
538 #define IPR_FLAGS_LO_ACA_TASK			0x08
539 
540 	u8 cdb[16];
541 	__be16 timeout;
542 }__attribute__ ((packed, aligned(4)));
543 
544 struct ipr_ioarcb_ata_regs {	/* 22 bytes */
545 	u8 flags;
546 #define IPR_ATA_FLAG_PACKET_CMD			0x80
547 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
548 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
549 	u8 reserved[3];
550 
551 	__be16 data;
552 	u8 feature;
553 	u8 nsect;
554 	u8 lbal;
555 	u8 lbam;
556 	u8 lbah;
557 	u8 device;
558 	u8 command;
559 	u8 reserved2[3];
560 	u8 hob_feature;
561 	u8 hob_nsect;
562 	u8 hob_lbal;
563 	u8 hob_lbam;
564 	u8 hob_lbah;
565 	u8 ctl;
566 }__attribute__ ((packed, aligned(2)));
567 
568 struct ipr_ioadl_desc {
569 	__be32 flags_and_data_len;
570 #define IPR_IOADL_FLAGS_MASK		0xff000000
571 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
572 #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
573 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
574 #define IPR_IOADL_FLAGS_READ		0x48000000
575 #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
576 #define IPR_IOADL_FLAGS_WRITE		0x68000000
577 #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
578 #define IPR_IOADL_FLAGS_LAST		0x01000000
579 
580 	__be32 address;
581 }__attribute__((packed, aligned (8)));
582 
583 struct ipr_ioadl64_desc {
584 	__be32 flags;
585 	__be32 data_len;
586 	__be64 address;
587 }__attribute__((packed, aligned (16)));
588 
589 struct ipr_ata64_ioadl {
590 	struct ipr_ioarcb_ata_regs regs;
591 	u16 reserved[5];
592 	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
593 }__attribute__((packed, aligned (16)));
594 
595 struct ipr_ioarcb_add_data {
596 	union {
597 		struct ipr_ioarcb_ata_regs regs;
598 		struct ipr_ioadl_desc ioadl[5];
599 		__be32 add_cmd_parms[10];
600 	} u;
601 }__attribute__ ((packed, aligned (4)));
602 
603 struct ipr_ioarcb_sis64_add_addr_ecb {
604 	__be64 ioasa_host_pci_addr;
605 	__be64 data_ioadl_addr;
606 	__be64 reserved;
607 	__be32 ext_control_buf[4];
608 }__attribute__((packed, aligned (8)));
609 
610 /* IOA Request Control Block    128 bytes  */
611 struct ipr_ioarcb {
612 	union {
613 		__be32 ioarcb_host_pci_addr;
614 		__be64 ioarcb_host_pci_addr64;
615 	} a;
616 	__be32 res_handle;
617 	__be32 host_response_handle;
618 	__be32 reserved1;
619 	__be32 reserved2;
620 	__be32 reserved3;
621 
622 	__be32 data_transfer_length;
623 	__be32 read_data_transfer_length;
624 	__be32 write_ioadl_addr;
625 	__be32 ioadl_len;
626 	__be32 read_ioadl_addr;
627 	__be32 read_ioadl_len;
628 
629 	__be32 ioasa_host_pci_addr;
630 	__be16 ioasa_len;
631 	__be16 reserved4;
632 
633 	struct ipr_cmd_pkt cmd_pkt;
634 
635 	__be16 add_cmd_parms_offset;
636 	__be16 add_cmd_parms_len;
637 
638 	union {
639 		struct ipr_ioarcb_add_data add_data;
640 		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
641 	} u;
642 
643 }__attribute__((packed, aligned (4)));
644 
645 struct ipr_ioasa_vset {
646 	__be32 failing_lba_hi;
647 	__be32 failing_lba_lo;
648 	__be32 reserved;
649 }__attribute__((packed, aligned (4)));
650 
651 struct ipr_ioasa_af_dasd {
652 	__be32 failing_lba;
653 	__be32 reserved[2];
654 }__attribute__((packed, aligned (4)));
655 
656 struct ipr_ioasa_gpdd {
657 	u8 end_state;
658 	u8 bus_phase;
659 	__be16 reserved;
660 	__be32 ioa_data[2];
661 }__attribute__((packed, aligned (4)));
662 
663 struct ipr_ioasa_gata {
664 	u8 error;
665 	u8 nsect;		/* Interrupt reason */
666 	u8 lbal;
667 	u8 lbam;
668 	u8 lbah;
669 	u8 device;
670 	u8 status;
671 	u8 alt_status;	/* ATA CTL */
672 	u8 hob_nsect;
673 	u8 hob_lbal;
674 	u8 hob_lbam;
675 	u8 hob_lbah;
676 }__attribute__((packed, aligned (4)));
677 
678 struct ipr_auto_sense {
679 	__be16 auto_sense_len;
680 	__be16 ioa_data_len;
681 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
682 };
683 
684 struct ipr_ioasa_hdr {
685 	__be32 ioasc;
686 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
687 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
688 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
689 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
690 
691 	__be16 ret_stat_len;	/* Length of the returned IOASA */
692 
693 	__be16 avail_stat_len;	/* Total Length of status available. */
694 
695 	__be32 residual_data_len;	/* number of bytes in the host data */
696 	/* buffers that were not used by the IOARCB command. */
697 
698 	__be32 ilid;
699 #define IPR_NO_ILID			0
700 #define IPR_DRIVER_ILID		0xffffffff
701 
702 	__be32 fd_ioasc;
703 
704 	__be32 fd_phys_locator;
705 
706 	__be32 fd_res_handle;
707 
708 	__be32 ioasc_specific;	/* status code specific field */
709 #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
710 #define IPR_AUTOSENSE_VALID			0x40000000
711 #define IPR_ATA_DEVICE_WAS_RESET		0x20000000
712 #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
713 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
714 #define IPR_FIELD_POINTER_MASK		0x0000ffff
715 
716 }__attribute__((packed, aligned (4)));
717 
718 struct ipr_ioasa {
719 	struct ipr_ioasa_hdr hdr;
720 
721 	union {
722 		struct ipr_ioasa_vset vset;
723 		struct ipr_ioasa_af_dasd dasd;
724 		struct ipr_ioasa_gpdd gpdd;
725 		struct ipr_ioasa_gata gata;
726 	} u;
727 
728 	struct ipr_auto_sense auto_sense;
729 }__attribute__((packed, aligned (4)));
730 
731 struct ipr_ioasa64 {
732 	struct ipr_ioasa_hdr hdr;
733 	u8 fd_res_path[8];
734 
735 	union {
736 		struct ipr_ioasa_vset vset;
737 		struct ipr_ioasa_af_dasd dasd;
738 		struct ipr_ioasa_gpdd gpdd;
739 		struct ipr_ioasa_gata gata;
740 	} u;
741 
742 	struct ipr_auto_sense auto_sense;
743 }__attribute__((packed, aligned (4)));
744 
745 struct ipr_mode_parm_hdr {
746 	u8 length;
747 	u8 medium_type;
748 	u8 device_spec_parms;
749 	u8 block_desc_len;
750 }__attribute__((packed));
751 
752 struct ipr_mode_pages {
753 	struct ipr_mode_parm_hdr hdr;
754 	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
755 }__attribute__((packed));
756 
757 struct ipr_mode_page_hdr {
758 	u8 ps_page_code;
759 #define IPR_MODE_PAGE_PS	0x80
760 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
761 	u8 page_length;
762 }__attribute__ ((packed));
763 
764 struct ipr_dev_bus_entry {
765 	struct ipr_res_addr res_addr;
766 	u8 flags;
767 #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
768 #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
769 #define IPR_SCSI_ATTR_QAS_MASK				0xC0
770 #define IPR_SCSI_ATTR_ENABLE_TM				0x20
771 #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
772 #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
773 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
774 
775 	u8 scsi_id;
776 	u8 bus_width;
777 	u8 extended_reset_delay;
778 #define IPR_EXTENDED_RESET_DELAY	7
779 
780 	__be32 max_xfer_rate;
781 
782 	u8 spinup_delay;
783 	u8 reserved3;
784 	__be16 reserved4;
785 }__attribute__((packed, aligned (4)));
786 
787 struct ipr_mode_page28 {
788 	struct ipr_mode_page_hdr hdr;
789 	u8 num_entries;
790 	u8 entry_length;
791 	struct ipr_dev_bus_entry bus[0];
792 }__attribute__((packed));
793 
794 struct ipr_mode_page24 {
795 	struct ipr_mode_page_hdr hdr;
796 	u8 flags;
797 #define IPR_ENABLE_DUAL_IOA_AF 0x80
798 }__attribute__((packed));
799 
800 struct ipr_ioa_vpd {
801 	struct ipr_std_inq_data std_inq_data;
802 	u8 ascii_part_num[12];
803 	u8 reserved[40];
804 	u8 ascii_plant_code[4];
805 }__attribute__((packed));
806 
807 struct ipr_inquiry_page3 {
808 	u8 peri_qual_dev_type;
809 	u8 page_code;
810 	u8 reserved1;
811 	u8 page_length;
812 	u8 ascii_len;
813 	u8 reserved2[3];
814 	u8 load_id[4];
815 	u8 major_release;
816 	u8 card_type;
817 	u8 minor_release[2];
818 	u8 ptf_number[4];
819 	u8 patch_number[4];
820 }__attribute__((packed));
821 
822 struct ipr_inquiry_cap {
823 	u8 peri_qual_dev_type;
824 	u8 page_code;
825 	u8 reserved1;
826 	u8 page_length;
827 	u8 ascii_len;
828 	u8 reserved2;
829 	u8 sis_version[2];
830 	u8 cap;
831 #define IPR_CAP_DUAL_IOA_RAID		0x80
832 	u8 reserved3[15];
833 }__attribute__((packed));
834 
835 #define IPR_INQUIRY_PAGE0_ENTRIES 20
836 struct ipr_inquiry_page0 {
837 	u8 peri_qual_dev_type;
838 	u8 page_code;
839 	u8 reserved1;
840 	u8 len;
841 	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
842 }__attribute__((packed));
843 
844 struct ipr_hostrcb_device_data_entry {
845 	struct ipr_vpd vpd;
846 	struct ipr_res_addr dev_res_addr;
847 	struct ipr_vpd new_vpd;
848 	struct ipr_vpd ioa_last_with_dev_vpd;
849 	struct ipr_vpd cfc_last_with_dev_vpd;
850 	__be32 ioa_data[5];
851 }__attribute__((packed, aligned (4)));
852 
853 struct ipr_hostrcb_device_data_entry_enhanced {
854 	struct ipr_ext_vpd vpd;
855 	u8 ccin[4];
856 	struct ipr_res_addr dev_res_addr;
857 	struct ipr_ext_vpd new_vpd;
858 	u8 new_ccin[4];
859 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
860 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
861 }__attribute__((packed, aligned (4)));
862 
863 struct ipr_hostrcb64_device_data_entry_enhanced {
864 	struct ipr_ext_vpd vpd;
865 	u8 ccin[4];
866 	u8 res_path[8];
867 	struct ipr_ext_vpd new_vpd;
868 	u8 new_ccin[4];
869 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
870 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
871 }__attribute__((packed, aligned (4)));
872 
873 struct ipr_hostrcb_array_data_entry {
874 	struct ipr_vpd vpd;
875 	struct ipr_res_addr expected_dev_res_addr;
876 	struct ipr_res_addr dev_res_addr;
877 }__attribute__((packed, aligned (4)));
878 
879 struct ipr_hostrcb64_array_data_entry {
880 	struct ipr_ext_vpd vpd;
881 	u8 ccin[4];
882 	u8 expected_res_path[8];
883 	u8 res_path[8];
884 }__attribute__((packed, aligned (4)));
885 
886 struct ipr_hostrcb_array_data_entry_enhanced {
887 	struct ipr_ext_vpd vpd;
888 	u8 ccin[4];
889 	struct ipr_res_addr expected_dev_res_addr;
890 	struct ipr_res_addr dev_res_addr;
891 }__attribute__((packed, aligned (4)));
892 
893 struct ipr_hostrcb_type_ff_error {
894 	__be32 ioa_data[758];
895 }__attribute__((packed, aligned (4)));
896 
897 struct ipr_hostrcb_type_01_error {
898 	__be32 seek_counter;
899 	__be32 read_counter;
900 	u8 sense_data[32];
901 	__be32 ioa_data[236];
902 }__attribute__((packed, aligned (4)));
903 
904 struct ipr_hostrcb_type_21_error {
905 	__be32 wwn[4];
906 	u8 res_path[8];
907 	u8 primary_problem_desc[32];
908 	u8 second_problem_desc[32];
909 	__be32 sense_data[8];
910 	__be32 cdb[4];
911 	__be32 residual_trans_length;
912 	__be32 length_of_error;
913 	__be32 ioa_data[236];
914 }__attribute__((packed, aligned (4)));
915 
916 struct ipr_hostrcb_type_02_error {
917 	struct ipr_vpd ioa_vpd;
918 	struct ipr_vpd cfc_vpd;
919 	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
920 	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
921 	__be32 ioa_data[3];
922 }__attribute__((packed, aligned (4)));
923 
924 struct ipr_hostrcb_type_12_error {
925 	struct ipr_ext_vpd ioa_vpd;
926 	struct ipr_ext_vpd cfc_vpd;
927 	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
928 	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
929 	__be32 ioa_data[3];
930 }__attribute__((packed, aligned (4)));
931 
932 struct ipr_hostrcb_type_03_error {
933 	struct ipr_vpd ioa_vpd;
934 	struct ipr_vpd cfc_vpd;
935 	__be32 errors_detected;
936 	__be32 errors_logged;
937 	u8 ioa_data[12];
938 	struct ipr_hostrcb_device_data_entry dev[3];
939 }__attribute__((packed, aligned (4)));
940 
941 struct ipr_hostrcb_type_13_error {
942 	struct ipr_ext_vpd ioa_vpd;
943 	struct ipr_ext_vpd cfc_vpd;
944 	__be32 errors_detected;
945 	__be32 errors_logged;
946 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
947 }__attribute__((packed, aligned (4)));
948 
949 struct ipr_hostrcb_type_23_error {
950 	struct ipr_ext_vpd ioa_vpd;
951 	struct ipr_ext_vpd cfc_vpd;
952 	__be32 errors_detected;
953 	__be32 errors_logged;
954 	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
955 }__attribute__((packed, aligned (4)));
956 
957 struct ipr_hostrcb_type_04_error {
958 	struct ipr_vpd ioa_vpd;
959 	struct ipr_vpd cfc_vpd;
960 	u8 ioa_data[12];
961 	struct ipr_hostrcb_array_data_entry array_member[10];
962 	__be32 exposed_mode_adn;
963 	__be32 array_id;
964 	struct ipr_vpd incomp_dev_vpd;
965 	__be32 ioa_data2;
966 	struct ipr_hostrcb_array_data_entry array_member2[8];
967 	struct ipr_res_addr last_func_vset_res_addr;
968 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
969 	u8 protection_level[8];
970 }__attribute__((packed, aligned (4)));
971 
972 struct ipr_hostrcb_type_14_error {
973 	struct ipr_ext_vpd ioa_vpd;
974 	struct ipr_ext_vpd cfc_vpd;
975 	__be32 exposed_mode_adn;
976 	__be32 array_id;
977 	struct ipr_res_addr last_func_vset_res_addr;
978 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
979 	u8 protection_level[8];
980 	__be32 num_entries;
981 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
982 }__attribute__((packed, aligned (4)));
983 
984 struct ipr_hostrcb_type_24_error {
985 	struct ipr_ext_vpd ioa_vpd;
986 	struct ipr_ext_vpd cfc_vpd;
987 	u8 reserved[2];
988 	u8 exposed_mode_adn;
989 #define IPR_INVALID_ARRAY_DEV_NUM		0xff
990 	u8 array_id;
991 	u8 last_res_path[8];
992 	u8 protection_level[8];
993 	struct ipr_ext_vpd64 array_vpd;
994 	u8 description[16];
995 	u8 reserved2[3];
996 	u8 num_entries;
997 	struct ipr_hostrcb64_array_data_entry array_member[32];
998 }__attribute__((packed, aligned (4)));
999 
1000 struct ipr_hostrcb_type_07_error {
1001 	u8 failure_reason[64];
1002 	struct ipr_vpd vpd;
1003 	u32 data[222];
1004 }__attribute__((packed, aligned (4)));
1005 
1006 struct ipr_hostrcb_type_17_error {
1007 	u8 failure_reason[64];
1008 	struct ipr_ext_vpd vpd;
1009 	u32 data[476];
1010 }__attribute__((packed, aligned (4)));
1011 
1012 struct ipr_hostrcb_config_element {
1013 	u8 type_status;
1014 #define IPR_PATH_CFG_TYPE_MASK	0xF0
1015 #define IPR_PATH_CFG_NOT_EXIST	0x00
1016 #define IPR_PATH_CFG_IOA_PORT		0x10
1017 #define IPR_PATH_CFG_EXP_PORT		0x20
1018 #define IPR_PATH_CFG_DEVICE_PORT	0x30
1019 #define IPR_PATH_CFG_DEVICE_LUN	0x40
1020 
1021 #define IPR_PATH_CFG_STATUS_MASK	0x0F
1022 #define IPR_PATH_CFG_NO_PROB		0x00
1023 #define IPR_PATH_CFG_DEGRADED		0x01
1024 #define IPR_PATH_CFG_FAILED		0x02
1025 #define IPR_PATH_CFG_SUSPECT		0x03
1026 #define IPR_PATH_NOT_DETECTED		0x04
1027 #define IPR_PATH_INCORRECT_CONN	0x05
1028 
1029 	u8 cascaded_expander;
1030 	u8 phy;
1031 	u8 link_rate;
1032 #define IPR_PHY_LINK_RATE_MASK	0x0F
1033 
1034 	__be32 wwid[2];
1035 }__attribute__((packed, aligned (4)));
1036 
1037 struct ipr_hostrcb64_config_element {
1038 	__be16 length;
1039 	u8 descriptor_id;
1040 #define IPR_DESCRIPTOR_MASK		0xC0
1041 #define IPR_DESCRIPTOR_SIS64		0x00
1042 
1043 	u8 reserved;
1044 	u8 type_status;
1045 
1046 	u8 reserved2[2];
1047 	u8 link_rate;
1048 
1049 	u8 res_path[8];
1050 	__be32 wwid[2];
1051 }__attribute__((packed, aligned (8)));
1052 
1053 struct ipr_hostrcb_fabric_desc {
1054 	__be16 length;
1055 	u8 ioa_port;
1056 	u8 cascaded_expander;
1057 	u8 phy;
1058 	u8 path_state;
1059 #define IPR_PATH_ACTIVE_MASK		0xC0
1060 #define IPR_PATH_NO_INFO		0x00
1061 #define IPR_PATH_ACTIVE			0x40
1062 #define IPR_PATH_NOT_ACTIVE		0x80
1063 
1064 #define IPR_PATH_STATE_MASK		0x0F
1065 #define IPR_PATH_STATE_NO_INFO	0x00
1066 #define IPR_PATH_HEALTHY		0x01
1067 #define IPR_PATH_DEGRADED		0x02
1068 #define IPR_PATH_FAILED			0x03
1069 
1070 	__be16 num_entries;
1071 	struct ipr_hostrcb_config_element elem[1];
1072 }__attribute__((packed, aligned (4)));
1073 
1074 struct ipr_hostrcb64_fabric_desc {
1075 	__be16 length;
1076 	u8 descriptor_id;
1077 
1078 	u8 reserved[2];
1079 	u8 path_state;
1080 
1081 	u8 reserved2[2];
1082 	u8 res_path[8];
1083 	u8 reserved3[6];
1084 	__be16 num_entries;
1085 	struct ipr_hostrcb64_config_element elem[1];
1086 }__attribute__((packed, aligned (8)));
1087 
1088 #define for_each_hrrq(hrrq, ioa_cfg) \
1089 		for (hrrq = (ioa_cfg)->hrrq; \
1090 			hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1091 
1092 #define for_each_fabric_cfg(fabric, cfg) \
1093 		for (cfg = (fabric)->elem; \
1094 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1095 			cfg++)
1096 
1097 struct ipr_hostrcb_type_20_error {
1098 	u8 failure_reason[64];
1099 	u8 reserved[3];
1100 	u8 num_entries;
1101 	struct ipr_hostrcb_fabric_desc desc[1];
1102 }__attribute__((packed, aligned (4)));
1103 
1104 struct ipr_hostrcb_type_30_error {
1105 	u8 failure_reason[64];
1106 	u8 reserved[3];
1107 	u8 num_entries;
1108 	struct ipr_hostrcb64_fabric_desc desc[1];
1109 }__attribute__((packed, aligned (4)));
1110 
1111 struct ipr_hostrcb_error {
1112 	__be32 fd_ioasc;
1113 	struct ipr_res_addr fd_res_addr;
1114 	__be32 fd_res_handle;
1115 	__be32 prc;
1116 	union {
1117 		struct ipr_hostrcb_type_ff_error type_ff_error;
1118 		struct ipr_hostrcb_type_01_error type_01_error;
1119 		struct ipr_hostrcb_type_02_error type_02_error;
1120 		struct ipr_hostrcb_type_03_error type_03_error;
1121 		struct ipr_hostrcb_type_04_error type_04_error;
1122 		struct ipr_hostrcb_type_07_error type_07_error;
1123 		struct ipr_hostrcb_type_12_error type_12_error;
1124 		struct ipr_hostrcb_type_13_error type_13_error;
1125 		struct ipr_hostrcb_type_14_error type_14_error;
1126 		struct ipr_hostrcb_type_17_error type_17_error;
1127 		struct ipr_hostrcb_type_20_error type_20_error;
1128 	} u;
1129 }__attribute__((packed, aligned (4)));
1130 
1131 struct ipr_hostrcb64_error {
1132 	__be32 fd_ioasc;
1133 	__be32 ioa_fw_level;
1134 	__be32 fd_res_handle;
1135 	__be32 prc;
1136 	__be64 fd_dev_id;
1137 	__be64 fd_lun;
1138 	u8 fd_res_path[8];
1139 	__be64 time_stamp;
1140 	u8 reserved[16];
1141 	union {
1142 		struct ipr_hostrcb_type_ff_error type_ff_error;
1143 		struct ipr_hostrcb_type_12_error type_12_error;
1144 		struct ipr_hostrcb_type_17_error type_17_error;
1145 		struct ipr_hostrcb_type_21_error type_21_error;
1146 		struct ipr_hostrcb_type_23_error type_23_error;
1147 		struct ipr_hostrcb_type_24_error type_24_error;
1148 		struct ipr_hostrcb_type_30_error type_30_error;
1149 	} u;
1150 }__attribute__((packed, aligned (8)));
1151 
1152 struct ipr_hostrcb_raw {
1153 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1154 }__attribute__((packed, aligned (4)));
1155 
1156 struct ipr_hcam {
1157 	u8 op_code;
1158 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
1159 #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
1160 
1161 	u8 notify_type;
1162 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
1163 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
1164 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
1165 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
1166 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
1167 
1168 	u8 notifications_lost;
1169 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
1170 #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
1171 
1172 	u8 flags;
1173 #define IPR_HOSTRCB_INTERNAL_OPER	0x80
1174 #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
1175 
1176 	u8 overlay_id;
1177 #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
1178 #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
1179 #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
1180 #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
1181 #define IPR_HOST_RCB_OVERLAY_ID_6				0x06
1182 #define IPR_HOST_RCB_OVERLAY_ID_7				0x07
1183 #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
1184 #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
1185 #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
1186 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
1187 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
1188 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
1189 #define IPR_HOST_RCB_OVERLAY_ID_21				0x21
1190 #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
1191 #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
1192 #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
1193 #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
1194 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
1195 
1196 	u8 reserved1[3];
1197 	__be32 ilid;
1198 	__be32 time_since_last_ioa_reset;
1199 	__be32 reserved2;
1200 	__be32 length;
1201 
1202 	union {
1203 		struct ipr_hostrcb_error error;
1204 		struct ipr_hostrcb64_error error64;
1205 		struct ipr_hostrcb_cfg_ch_not ccn;
1206 		struct ipr_hostrcb_raw raw;
1207 	} u;
1208 }__attribute__((packed, aligned (4)));
1209 
1210 struct ipr_hostrcb {
1211 	struct ipr_hcam hcam;
1212 	dma_addr_t hostrcb_dma;
1213 	struct list_head queue;
1214 	struct ipr_ioa_cfg *ioa_cfg;
1215 	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1216 };
1217 
1218 /* IPR smart dump table structures */
1219 struct ipr_sdt_entry {
1220 	__be32 start_token;
1221 	__be32 end_token;
1222 	u8 reserved[4];
1223 
1224 	u8 flags;
1225 #define IPR_SDT_ENDIAN		0x80
1226 #define IPR_SDT_VALID_ENTRY	0x20
1227 
1228 	u8 resv;
1229 	__be16 priority;
1230 }__attribute__((packed, aligned (4)));
1231 
1232 struct ipr_sdt_header {
1233 	__be32 state;
1234 	__be32 num_entries;
1235 	__be32 num_entries_used;
1236 	__be32 dump_size;
1237 }__attribute__((packed, aligned (4)));
1238 
1239 struct ipr_sdt {
1240 	struct ipr_sdt_header hdr;
1241 	struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1242 }__attribute__((packed, aligned (4)));
1243 
1244 struct ipr_uc_sdt {
1245 	struct ipr_sdt_header hdr;
1246 	struct ipr_sdt_entry entry[1];
1247 }__attribute__((packed, aligned (4)));
1248 
1249 /*
1250  * Driver types
1251  */
1252 struct ipr_bus_attributes {
1253 	u8 bus;
1254 	u8 qas_enabled;
1255 	u8 bus_width;
1256 	u8 reserved;
1257 	u32 max_xfer_rate;
1258 };
1259 
1260 struct ipr_sata_port {
1261 	struct ipr_ioa_cfg *ioa_cfg;
1262 	struct ata_port *ap;
1263 	struct ipr_resource_entry *res;
1264 	struct ipr_ioasa_gata ioasa;
1265 };
1266 
1267 struct ipr_resource_entry {
1268 	u8 needs_sync_complete:1;
1269 	u8 in_erp:1;
1270 	u8 add_to_ml:1;
1271 	u8 del_from_ml:1;
1272 	u8 resetting_device:1;
1273 	u8 reset_occurred:1;
1274 
1275 	u32 bus;		/* AKA channel */
1276 	u32 target;		/* AKA id */
1277 	u32 lun;
1278 #define IPR_ARRAY_VIRTUAL_BUS			0x1
1279 #define IPR_VSET_VIRTUAL_BUS			0x2
1280 #define IPR_IOAFP_VIRTUAL_BUS			0x3
1281 
1282 #define IPR_GET_RES_PHYS_LOC(res) \
1283 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1284 
1285 	u8 ata_class;
1286 
1287 	u8 flags;
1288 	__be16 res_flags;
1289 
1290 	u8 type;
1291 
1292 	u8 qmodel;
1293 	struct ipr_std_inq_data std_inq_data;
1294 
1295 	__be32 res_handle;
1296 	__be64 dev_id;
1297 	__be64 lun_wwn;
1298 	struct scsi_lun dev_lun;
1299 	u8 res_path[8];
1300 
1301 	struct ipr_ioa_cfg *ioa_cfg;
1302 	struct scsi_device *sdev;
1303 	struct ipr_sata_port *sata_port;
1304 	struct list_head queue;
1305 }; /* struct ipr_resource_entry */
1306 
1307 struct ipr_resource_hdr {
1308 	u16 num_entries;
1309 	u16 reserved;
1310 };
1311 
1312 struct ipr_misc_cbs {
1313 	struct ipr_ioa_vpd ioa_vpd;
1314 	struct ipr_inquiry_page0 page0_data;
1315 	struct ipr_inquiry_page3 page3_data;
1316 	struct ipr_inquiry_cap cap;
1317 	struct ipr_mode_pages mode_pages;
1318 	struct ipr_supported_device supp_dev;
1319 };
1320 
1321 struct ipr_interrupt_offsets {
1322 	unsigned long set_interrupt_mask_reg;
1323 	unsigned long clr_interrupt_mask_reg;
1324 	unsigned long clr_interrupt_mask_reg32;
1325 	unsigned long sense_interrupt_mask_reg;
1326 	unsigned long sense_interrupt_mask_reg32;
1327 	unsigned long clr_interrupt_reg;
1328 	unsigned long clr_interrupt_reg32;
1329 
1330 	unsigned long sense_interrupt_reg;
1331 	unsigned long sense_interrupt_reg32;
1332 	unsigned long ioarrin_reg;
1333 	unsigned long sense_uproc_interrupt_reg;
1334 	unsigned long sense_uproc_interrupt_reg32;
1335 	unsigned long set_uproc_interrupt_reg;
1336 	unsigned long set_uproc_interrupt_reg32;
1337 	unsigned long clr_uproc_interrupt_reg;
1338 	unsigned long clr_uproc_interrupt_reg32;
1339 
1340 	unsigned long init_feedback_reg;
1341 
1342 	unsigned long dump_addr_reg;
1343 	unsigned long dump_data_reg;
1344 
1345 #define IPR_ENDIAN_SWAP_KEY		0x00080800
1346 	unsigned long endian_swap_reg;
1347 };
1348 
1349 struct ipr_interrupts {
1350 	void __iomem *set_interrupt_mask_reg;
1351 	void __iomem *clr_interrupt_mask_reg;
1352 	void __iomem *clr_interrupt_mask_reg32;
1353 	void __iomem *sense_interrupt_mask_reg;
1354 	void __iomem *sense_interrupt_mask_reg32;
1355 	void __iomem *clr_interrupt_reg;
1356 	void __iomem *clr_interrupt_reg32;
1357 
1358 	void __iomem *sense_interrupt_reg;
1359 	void __iomem *sense_interrupt_reg32;
1360 	void __iomem *ioarrin_reg;
1361 	void __iomem *sense_uproc_interrupt_reg;
1362 	void __iomem *sense_uproc_interrupt_reg32;
1363 	void __iomem *set_uproc_interrupt_reg;
1364 	void __iomem *set_uproc_interrupt_reg32;
1365 	void __iomem *clr_uproc_interrupt_reg;
1366 	void __iomem *clr_uproc_interrupt_reg32;
1367 
1368 	void __iomem *init_feedback_reg;
1369 
1370 	void __iomem *dump_addr_reg;
1371 	void __iomem *dump_data_reg;
1372 
1373 	void __iomem *endian_swap_reg;
1374 };
1375 
1376 struct ipr_chip_cfg_t {
1377 	u32 mailbox;
1378 	u16 max_cmds;
1379 	u8 cache_line_size;
1380 	u8 clear_isr;
1381 	u32 iopoll_weight;
1382 	struct ipr_interrupt_offsets regs;
1383 };
1384 
1385 struct ipr_chip_t {
1386 	u16 vendor;
1387 	u16 device;
1388 	u16 intr_type;
1389 #define IPR_USE_LSI			0x00
1390 #define IPR_USE_MSI			0x01
1391 #define IPR_USE_MSIX			0x02
1392 	u16 sis_type;
1393 #define IPR_SIS32			0x00
1394 #define IPR_SIS64			0x01
1395 	u16 bist_method;
1396 #define IPR_PCI_CFG			0x00
1397 #define IPR_MMIO			0x01
1398 	const struct ipr_chip_cfg_t *cfg;
1399 };
1400 
1401 enum ipr_shutdown_type {
1402 	IPR_SHUTDOWN_NORMAL = 0x00,
1403 	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1404 	IPR_SHUTDOWN_ABBREV = 0x80,
1405 	IPR_SHUTDOWN_NONE = 0x100
1406 };
1407 
1408 struct ipr_trace_entry {
1409 	u32 time;
1410 
1411 	u8 op_code;
1412 	u8 ata_op_code;
1413 	u8 type;
1414 #define IPR_TRACE_START			0x00
1415 #define IPR_TRACE_FINISH		0xff
1416 	u8 cmd_index;
1417 
1418 	__be32 res_handle;
1419 	union {
1420 		u32 ioasc;
1421 		u32 add_data;
1422 		u32 res_addr;
1423 	} u;
1424 };
1425 
1426 struct ipr_sglist {
1427 	u32 order;
1428 	u32 num_sg;
1429 	u32 num_dma_sg;
1430 	u32 buffer_len;
1431 	struct scatterlist scatterlist[1];
1432 };
1433 
1434 enum ipr_sdt_state {
1435 	INACTIVE,
1436 	WAIT_FOR_DUMP,
1437 	GET_DUMP,
1438 	READ_DUMP,
1439 	ABORT_DUMP,
1440 	DUMP_OBTAINED
1441 };
1442 
1443 /* Per-controller data */
1444 struct ipr_ioa_cfg {
1445 	char eye_catcher[8];
1446 #define IPR_EYECATCHER			"iprcfg"
1447 
1448 	struct list_head queue;
1449 
1450 	u8 in_reset_reload:1;
1451 	u8 in_ioa_bringdown:1;
1452 	u8 ioa_unit_checked:1;
1453 	u8 dump_taken:1;
1454 	u8 scan_done:1;
1455 	u8 needs_hard_reset:1;
1456 	u8 dual_raid:1;
1457 	u8 needs_warm_reset:1;
1458 	u8 msi_received:1;
1459 	u8 sis64:1;
1460 	u8 dump_timeout:1;
1461 	u8 cfg_locked:1;
1462 	u8 clear_isr:1;
1463 	u8 probe_done:1;
1464 
1465 	u8 revid;
1466 
1467 	/*
1468 	 * Bitmaps for SIS64 generated target values
1469 	 */
1470 	unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1471 	unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1472 	unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1473 
1474 	u16 type; /* CCIN of the card */
1475 
1476 	u8 log_level;
1477 #define IPR_MAX_LOG_LEVEL			4
1478 #define IPR_DEFAULT_LOG_LEVEL		2
1479 
1480 #define IPR_NUM_TRACE_INDEX_BITS	8
1481 #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
1482 #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1483 	char trace_start[8];
1484 #define IPR_TRACE_START_LABEL			"trace"
1485 	struct ipr_trace_entry *trace;
1486 	atomic_t trace_index;
1487 
1488 	char cfg_table_start[8];
1489 #define IPR_CFG_TBL_START		"cfg"
1490 	union {
1491 		struct ipr_config_table *cfg_table;
1492 		struct ipr_config_table64 *cfg_table64;
1493 	} u;
1494 	dma_addr_t cfg_table_dma;
1495 	u32 cfg_table_size;
1496 	u32 max_devs_supported;
1497 
1498 	char resource_table_label[8];
1499 #define IPR_RES_TABLE_LABEL		"res_tbl"
1500 	struct ipr_resource_entry *res_entries;
1501 	struct list_head free_res_q;
1502 	struct list_head used_res_q;
1503 
1504 	char ipr_hcam_label[8];
1505 #define IPR_HCAM_LABEL			"hcams"
1506 	struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1507 	dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1508 	struct list_head hostrcb_free_q;
1509 	struct list_head hostrcb_pending_q;
1510 
1511 	struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1512 	u32 hrrq_num;
1513 	atomic_t  hrrq_index;
1514 	u16 identify_hrrq_index;
1515 
1516 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1517 
1518 	unsigned int transop_timeout;
1519 	const struct ipr_chip_cfg_t *chip_cfg;
1520 	const struct ipr_chip_t *ipr_chip;
1521 
1522 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
1523 	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
1524 	void __iomem *ioa_mailbox;
1525 	struct ipr_interrupts regs;
1526 
1527 	u16 saved_pcix_cmd_reg;
1528 	u16 reset_retries;
1529 
1530 	u32 errors_logged;
1531 	u32 doorbell;
1532 
1533 	struct Scsi_Host *host;
1534 	struct pci_dev *pdev;
1535 	struct ipr_sglist *ucode_sglist;
1536 	u8 saved_mode_page_len;
1537 
1538 	struct work_struct work_q;
1539 
1540 	wait_queue_head_t reset_wait_q;
1541 	wait_queue_head_t msi_wait_q;
1542 	wait_queue_head_t eeh_wait_q;
1543 
1544 	struct ipr_dump *dump;
1545 	enum ipr_sdt_state sdt_state;
1546 
1547 	struct ipr_misc_cbs *vpd_cbs;
1548 	dma_addr_t vpd_cbs_dma;
1549 
1550 	struct dma_pool *ipr_cmd_pool;
1551 
1552 	struct ipr_cmnd *reset_cmd;
1553 	int (*reset) (struct ipr_cmnd *);
1554 
1555 	struct ata_host ata_host;
1556 	char ipr_cmd_label[8];
1557 #define IPR_CMD_LABEL		"ipr_cmd"
1558 	u32 max_cmds;
1559 	struct ipr_cmnd **ipr_cmnd_list;
1560 	dma_addr_t *ipr_cmnd_list_dma;
1561 
1562 	u16 intr_flag;
1563 	unsigned int nvectors;
1564 
1565 	struct {
1566 		unsigned short vec;
1567 		char desc[22];
1568 	} vectors_info[IPR_MAX_MSIX_VECTORS];
1569 
1570 	u32 iopoll_weight;
1571 
1572 }; /* struct ipr_ioa_cfg */
1573 
1574 struct ipr_cmnd {
1575 	struct ipr_ioarcb ioarcb;
1576 	union {
1577 		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1578 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1579 		struct ipr_ata64_ioadl ata_ioadl;
1580 	} i;
1581 	union {
1582 		struct ipr_ioasa ioasa;
1583 		struct ipr_ioasa64 ioasa64;
1584 	} s;
1585 	struct list_head queue;
1586 	struct scsi_cmnd *scsi_cmd;
1587 	struct ata_queued_cmd *qc;
1588 	struct completion completion;
1589 	struct timer_list timer;
1590 	void (*fast_done) (struct ipr_cmnd *);
1591 	void (*done) (struct ipr_cmnd *);
1592 	int (*job_step) (struct ipr_cmnd *);
1593 	int (*job_step_failed) (struct ipr_cmnd *);
1594 	u16 cmd_index;
1595 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1596 	dma_addr_t sense_buffer_dma;
1597 	unsigned short dma_use_sg;
1598 	dma_addr_t dma_addr;
1599 	struct ipr_cmnd *sibling;
1600 	union {
1601 		enum ipr_shutdown_type shutdown_type;
1602 		struct ipr_hostrcb *hostrcb;
1603 		unsigned long time_left;
1604 		unsigned long scratch;
1605 		struct ipr_resource_entry *res;
1606 		struct scsi_device *sdev;
1607 	} u;
1608 
1609 	struct ipr_hrr_queue *hrrq;
1610 	struct ipr_ioa_cfg *ioa_cfg;
1611 };
1612 
1613 struct ipr_ses_table_entry {
1614 	char product_id[17];
1615 	char compare_product_id_byte[17];
1616 	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
1617 };
1618 
1619 struct ipr_dump_header {
1620 	u32 eye_catcher;
1621 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1622 	u32 len;
1623 	u32 num_entries;
1624 	u32 first_entry_offset;
1625 	u32 status;
1626 #define IPR_DUMP_STATUS_SUCCESS			0
1627 #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
1628 #define IPR_DUMP_STATUS_FAILED			0xffffffff
1629 	u32 os;
1630 #define IPR_DUMP_OS_LINUX	0x4C4E5558
1631 	u32 driver_name;
1632 #define IPR_DUMP_DRIVER_NAME	0x49505232
1633 }__attribute__((packed, aligned (4)));
1634 
1635 struct ipr_dump_entry_header {
1636 	u32 eye_catcher;
1637 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1638 	u32 len;
1639 	u32 num_elems;
1640 	u32 offset;
1641 	u32 data_type;
1642 #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
1643 #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
1644 	u32 id;
1645 #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
1646 #define IPR_DUMP_LOCATION_ID		0x4C4F4341
1647 #define IPR_DUMP_TRACE_ID		0x54524143
1648 #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
1649 #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
1650 #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
1651 #define IPR_DUMP_PEND_OPS		0x414F5053
1652 	u32 status;
1653 }__attribute__((packed, aligned (4)));
1654 
1655 struct ipr_dump_location_entry {
1656 	struct ipr_dump_entry_header hdr;
1657 	u8 location[20];
1658 }__attribute__((packed));
1659 
1660 struct ipr_dump_trace_entry {
1661 	struct ipr_dump_entry_header hdr;
1662 	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1663 }__attribute__((packed, aligned (4)));
1664 
1665 struct ipr_dump_version_entry {
1666 	struct ipr_dump_entry_header hdr;
1667 	u8 version[sizeof(IPR_DRIVER_VERSION)];
1668 };
1669 
1670 struct ipr_dump_ioa_type_entry {
1671 	struct ipr_dump_entry_header hdr;
1672 	u32 type;
1673 	u32 fw_version;
1674 };
1675 
1676 struct ipr_driver_dump {
1677 	struct ipr_dump_header hdr;
1678 	struct ipr_dump_version_entry version_entry;
1679 	struct ipr_dump_location_entry location_entry;
1680 	struct ipr_dump_ioa_type_entry ioa_type_entry;
1681 	struct ipr_dump_trace_entry trace_entry;
1682 }__attribute__((packed));
1683 
1684 struct ipr_ioa_dump {
1685 	struct ipr_dump_entry_header hdr;
1686 	struct ipr_sdt sdt;
1687 	__be32 **ioa_data;
1688 	u32 reserved;
1689 	u32 next_page_index;
1690 	u32 page_offset;
1691 	u32 format;
1692 }__attribute__((packed, aligned (4)));
1693 
1694 struct ipr_dump {
1695 	struct kref kref;
1696 	struct ipr_ioa_cfg *ioa_cfg;
1697 	struct ipr_driver_dump driver_dump;
1698 	struct ipr_ioa_dump ioa_dump;
1699 };
1700 
1701 struct ipr_error_table_t {
1702 	u32 ioasc;
1703 	int log_ioasa;
1704 	int log_hcam;
1705 	char *error;
1706 };
1707 
1708 struct ipr_software_inq_lid_info {
1709 	__be32 load_id;
1710 	__be32 timestamp[3];
1711 }__attribute__((packed, aligned (4)));
1712 
1713 struct ipr_ucode_image_header {
1714 	__be32 header_length;
1715 	__be32 lid_table_offset;
1716 	u8 major_release;
1717 	u8 card_type;
1718 	u8 minor_release[2];
1719 	u8 reserved[20];
1720 	char eyecatcher[16];
1721 	__be32 num_lids;
1722 	struct ipr_software_inq_lid_info lid[1];
1723 }__attribute__((packed, aligned (4)));
1724 
1725 /*
1726  * Macros
1727  */
1728 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1729 
1730 #ifdef CONFIG_SCSI_IPR_TRACE
1731 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1732 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1733 #else
1734 #define ipr_create_trace_file(kobj, attr) 0
1735 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1736 #endif
1737 
1738 #ifdef CONFIG_SCSI_IPR_DUMP
1739 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1740 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1741 #else
1742 #define ipr_create_dump_file(kobj, attr) 0
1743 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1744 #endif
1745 
1746 /*
1747  * Error logging macros
1748  */
1749 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1750 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1751 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1752 
1753 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1754 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1755 		bus, target, lun, ##__VA_ARGS__)
1756 
1757 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1758 	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1759 
1760 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1761 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1762 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1763 
1764 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1765 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1766 
1767 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
1768 {									\
1769 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
1770 		ipr_err(fmt": unknown\n", ##__VA_ARGS__);		\
1771 	} else {							\
1772 		ipr_err(fmt": %d:%d:%d:%d\n",				\
1773 			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
1774 			(res).bus, (res).target, (res).lun);		\
1775 	}								\
1776 }
1777 
1778 #define ipr_hcam_err(hostrcb, fmt, ...)					\
1779 {									\
1780 	if (ipr_is_device(hostrcb)) {					\
1781 		if ((hostrcb)->ioa_cfg->sis64) {			\
1782 			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
1783 				ipr_format_res_path(hostrcb->ioa_cfg,	\
1784 					hostrcb->hcam.u.error64.fd_res_path, \
1785 					hostrcb->rp_buffer,		\
1786 					sizeof(hostrcb->rp_buffer)),	\
1787 				__VA_ARGS__);				\
1788 		} else {						\
1789 			ipr_ra_err((hostrcb)->ioa_cfg,			\
1790 				(hostrcb)->hcam.u.error.fd_res_addr,	\
1791 				fmt, __VA_ARGS__);			\
1792 		}							\
1793 	} else {							\
1794 		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1795 	}								\
1796 }
1797 
1798 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1799 	__FILE__, __func__, __LINE__)
1800 
1801 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1802 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1803 
1804 #define ipr_err_separator \
1805 ipr_err("----------------------------------------------------------\n")
1806 
1807 
1808 /*
1809  * Inlines
1810  */
1811 
1812 /**
1813  * ipr_is_ioa_resource - Determine if a resource is the IOA
1814  * @res:	resource entry struct
1815  *
1816  * Return value:
1817  * 	1 if IOA / 0 if not IOA
1818  **/
1819 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1820 {
1821 	return res->type == IPR_RES_TYPE_IOAFP;
1822 }
1823 
1824 /**
1825  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1826  * @res:	resource entry struct
1827  *
1828  * Return value:
1829  * 	1 if AF DASD / 0 if not AF DASD
1830  **/
1831 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1832 {
1833 	return res->type == IPR_RES_TYPE_AF_DASD ||
1834 		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1835 }
1836 
1837 /**
1838  * ipr_is_vset_device - Determine if a resource is a VSET
1839  * @res:	resource entry struct
1840  *
1841  * Return value:
1842  * 	1 if VSET / 0 if not VSET
1843  **/
1844 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1845 {
1846 	return res->type == IPR_RES_TYPE_VOLUME_SET;
1847 }
1848 
1849 /**
1850  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1851  * @res:	resource entry struct
1852  *
1853  * Return value:
1854  * 	1 if GSCSI / 0 if not GSCSI
1855  **/
1856 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1857 {
1858 	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1859 }
1860 
1861 /**
1862  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1863  * @res:	resource entry struct
1864  *
1865  * Return value:
1866  * 	1 if SCSI disk / 0 if not SCSI disk
1867  **/
1868 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1869 {
1870 	if (ipr_is_af_dasd_device(res) ||
1871 	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1872 		return 1;
1873 	else
1874 		return 0;
1875 }
1876 
1877 /**
1878  * ipr_is_gata - Determine if a resource is a generic ATA resource
1879  * @res:	resource entry struct
1880  *
1881  * Return value:
1882  * 	1 if GATA / 0 if not GATA
1883  **/
1884 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1885 {
1886 	return res->type == IPR_RES_TYPE_GENERIC_ATA;
1887 }
1888 
1889 /**
1890  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1891  * @res:	resource entry struct
1892  *
1893  * Return value:
1894  * 	1 if NACA queueing model / 0 if not NACA queueing model
1895  **/
1896 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1897 {
1898 	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1899 		return 1;
1900 	return 0;
1901 }
1902 
1903 /**
1904  * ipr_is_device - Determine if the hostrcb structure is related to a device
1905  * @hostrcb:	host resource control blocks struct
1906  *
1907  * Return value:
1908  * 	1 if AF / 0 if not AF
1909  **/
1910 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1911 {
1912 	struct ipr_res_addr *res_addr;
1913 	u8 *res_path;
1914 
1915 	if (hostrcb->ioa_cfg->sis64) {
1916 		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1917 		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1918 		    res_path[0] == 0x81) && res_path[2] != 0xFF)
1919 			return 1;
1920 	} else {
1921 		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1922 
1923 		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1924 		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1925 			return 1;
1926 	}
1927 	return 0;
1928 }
1929 
1930 /**
1931  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1932  * @sdt_word:	SDT address
1933  *
1934  * Return value:
1935  * 	1 if format 2 / 0 if not
1936  **/
1937 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1938 {
1939 	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1940 
1941 	switch (bar_sel) {
1942 	case IPR_SDT_FMT2_BAR0_SEL:
1943 	case IPR_SDT_FMT2_BAR1_SEL:
1944 	case IPR_SDT_FMT2_BAR2_SEL:
1945 	case IPR_SDT_FMT2_BAR3_SEL:
1946 	case IPR_SDT_FMT2_BAR4_SEL:
1947 	case IPR_SDT_FMT2_BAR5_SEL:
1948 	case IPR_SDT_FMT2_EXP_ROM_SEL:
1949 		return 1;
1950 	};
1951 
1952 	return 0;
1953 }
1954 
1955 #ifndef writeq
1956 static inline void writeq(u64 val, void __iomem *addr)
1957 {
1958         writel(((u32) (val >> 32)), addr);
1959         writel(((u32) (val)), (addr + 4));
1960 }
1961 #endif
1962 
1963 #endif /* _IPR_H */
1964