xref: /openbmc/linux/drivers/scsi/ipr.h (revision 726bd223)
1 /*
2  * ipr.h -- driver for IBM Power Linux RAID adapters
3  *
4  * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5  *
6  * Copyright (C) 2003, 2004 IBM Corporation
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  *
22  * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
23  *				that broke 64bit platforms.
24  */
25 
26 #ifndef _IPR_H
27 #define _IPR_H
28 
29 #include <asm/unaligned.h>
30 #include <linux/types.h>
31 #include <linux/completion.h>
32 #include <linux/libata.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/irq_poll.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38 
39 /*
40  * Literals
41  */
42 #define IPR_DRIVER_VERSION "2.6.3"
43 #define IPR_DRIVER_DATE "(October 17, 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 #define PCI_DEVICE_ID_IBM_RATTLESNAKE		0x04DA
64 
65 #define IPR_SUBS_DEV_ID_2780	0x0264
66 #define IPR_SUBS_DEV_ID_5702	0x0266
67 #define IPR_SUBS_DEV_ID_5703	0x0278
68 #define IPR_SUBS_DEV_ID_572E	0x028D
69 #define IPR_SUBS_DEV_ID_573E	0x02D3
70 #define IPR_SUBS_DEV_ID_573D	0x02D4
71 #define IPR_SUBS_DEV_ID_571A	0x02C0
72 #define IPR_SUBS_DEV_ID_571B	0x02BE
73 #define IPR_SUBS_DEV_ID_571E	0x02BF
74 #define IPR_SUBS_DEV_ID_571F	0x02D5
75 #define IPR_SUBS_DEV_ID_572A	0x02C1
76 #define IPR_SUBS_DEV_ID_572B	0x02C2
77 #define IPR_SUBS_DEV_ID_572F	0x02C3
78 #define IPR_SUBS_DEV_ID_574E	0x030A
79 #define IPR_SUBS_DEV_ID_575B	0x030D
80 #define IPR_SUBS_DEV_ID_575C	0x0338
81 #define IPR_SUBS_DEV_ID_57B3	0x033A
82 #define IPR_SUBS_DEV_ID_57B7	0x0360
83 #define IPR_SUBS_DEV_ID_57B8	0x02C2
84 
85 #define IPR_SUBS_DEV_ID_57B4    0x033B
86 #define IPR_SUBS_DEV_ID_57B2    0x035F
87 #define IPR_SUBS_DEV_ID_57C0    0x0352
88 #define IPR_SUBS_DEV_ID_57C3    0x0353
89 #define IPR_SUBS_DEV_ID_57C4    0x0354
90 #define IPR_SUBS_DEV_ID_57C6    0x0357
91 #define IPR_SUBS_DEV_ID_57CC    0x035C
92 
93 #define IPR_SUBS_DEV_ID_57B5    0x033C
94 #define IPR_SUBS_DEV_ID_57CE    0x035E
95 #define IPR_SUBS_DEV_ID_57B1    0x0355
96 
97 #define IPR_SUBS_DEV_ID_574D    0x0356
98 #define IPR_SUBS_DEV_ID_57C8    0x035D
99 
100 #define IPR_SUBS_DEV_ID_57D5    0x03FB
101 #define IPR_SUBS_DEV_ID_57D6    0x03FC
102 #define IPR_SUBS_DEV_ID_57D7    0x03FF
103 #define IPR_SUBS_DEV_ID_57D8    0x03FE
104 #define IPR_SUBS_DEV_ID_57D9    0x046D
105 #define IPR_SUBS_DEV_ID_57DA    0x04CA
106 #define IPR_SUBS_DEV_ID_57EB    0x0474
107 #define IPR_SUBS_DEV_ID_57EC    0x0475
108 #define IPR_SUBS_DEV_ID_57ED    0x0499
109 #define IPR_SUBS_DEV_ID_57EE    0x049A
110 #define IPR_SUBS_DEV_ID_57EF    0x049B
111 #define IPR_SUBS_DEV_ID_57F0    0x049C
112 #define IPR_SUBS_DEV_ID_2CCA	0x04C7
113 #define IPR_SUBS_DEV_ID_2CD2	0x04C8
114 #define IPR_SUBS_DEV_ID_2CCD	0x04C9
115 #define IPR_SUBS_DEV_ID_580A	0x04FC
116 #define IPR_SUBS_DEV_ID_580B	0x04FB
117 #define IPR_NAME				"ipr"
118 
119 /*
120  * Return codes
121  */
122 #define IPR_RC_JOB_CONTINUE		1
123 #define IPR_RC_JOB_RETURN		2
124 
125 /*
126  * IOASCs
127  */
128 #define IPR_IOASC_NR_INIT_CMD_REQUIRED		0x02040200
129 #define IPR_IOASC_NR_IOA_RESET_REQUIRED		0x02048000
130 #define IPR_IOASC_SYNC_REQUIRED			0x023f0000
131 #define IPR_IOASC_MED_DO_NOT_REALLOC		0x03110C00
132 #define IPR_IOASC_HW_SEL_TIMEOUT			0x04050000
133 #define IPR_IOASC_HW_DEV_BUS_STATUS			0x04448500
134 #define	IPR_IOASC_IOASC_MASK			0xFFFFFF00
135 #define	IPR_IOASC_SCSI_STATUS_MASK		0x000000FF
136 #define IPR_IOASC_HW_CMD_FAILED			0x046E0000
137 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000
138 #define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000
139 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100
140 #define IPR_IOASA_IR_DUAL_IOA_DISABLED		0x052C8000
141 #define IPR_IOASC_BUS_WAS_RESET			0x06290000
142 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER		0x06298000
143 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST	0x0B5A0000
144 #define IPR_IOASC_IR_NON_OPTIMIZED		0x05258200
145 
146 #define IPR_FIRST_DRIVER_IOASC			0x10000000
147 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
148 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
149 
150 /* Driver data flags */
151 #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
152 #define IPR_USE_PCI_WARM_RESET			0x00000002
153 
154 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
155 #define IPR_NUM_LOG_HCAMS				2
156 #define IPR_NUM_CFG_CHG_HCAMS				2
157 #define IPR_NUM_HCAM_QUEUE				12
158 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
159 #define IPR_MAX_HCAMS	(IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
160 
161 #define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
162 #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
163 
164 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
165 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
166 #define IPR_VSET_BUS					0xff
167 #define IPR_IOA_BUS						0xff
168 #define IPR_IOA_TARGET					0xff
169 #define IPR_IOA_LUN						0xff
170 #define IPR_MAX_NUM_BUSES				16
171 
172 #define IPR_NUM_RESET_RELOAD_RETRIES		3
173 
174 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
175 #define IPR_NUM_INTERNAL_CMD_BLKS	(IPR_NUM_HCAMS + \
176                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
177 
178 #define IPR_MAX_COMMANDS		100
179 #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
180 						IPR_NUM_INTERNAL_CMD_BLKS)
181 
182 #define IPR_MAX_PHYSICAL_DEVS				192
183 #define IPR_DEFAULT_SIS64_DEVS				1024
184 #define IPR_MAX_SIS64_DEVS				4096
185 
186 #define IPR_MAX_SGLIST					64
187 #define IPR_IOA_MAX_SECTORS				32767
188 #define IPR_VSET_MAX_SECTORS				512
189 #define IPR_MAX_CDB_LEN					16
190 #define IPR_MAX_HRRQ_RETRIES				3
191 
192 #define IPR_DEFAULT_BUS_WIDTH				16
193 #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
194 #define IPR_U160_SCSI_RATE	((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
195 #define IPR_U320_SCSI_RATE	((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
196 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
197 
198 #define IPR_IOA_RES_HANDLE				0xffffffff
199 #define IPR_INVALID_RES_HANDLE			0
200 #define IPR_IOA_RES_ADDR				0x00ffffff
201 
202 /*
203  * Adapter Commands
204  */
205 #define IPR_CANCEL_REQUEST				0xC0
206 #define	IPR_CANCEL_64BIT_IOARCB			0x01
207 #define IPR_QUERY_RSRC_STATE				0xC2
208 #define IPR_RESET_DEVICE				0xC3
209 #define	IPR_RESET_TYPE_SELECT				0x80
210 #define	IPR_LUN_RESET					0x40
211 #define	IPR_TARGET_RESET					0x20
212 #define	IPR_BUS_RESET					0x10
213 #define	IPR_ATA_PHY_RESET					0x80
214 #define IPR_ID_HOST_RR_Q				0xC4
215 #define IPR_QUERY_IOA_CONFIG				0xC5
216 #define IPR_CANCEL_ALL_REQUESTS			0xCE
217 #define IPR_HOST_CONTROLLED_ASYNC			0xCF
218 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
219 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
220 #define IPR_SET_SUPPORTED_DEVICES			0xFB
221 #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
222 #define IPR_IOA_SHUTDOWN				0xF7
223 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
224 #define IPR_IOA_SERVICE_ACTION				0xD2
225 
226 /* IOA Service Actions */
227 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS			0x14
228 
229 /*
230  * Timeouts
231  */
232 #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
233 #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
234 #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)
235 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)
236 #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
237 #define IPR_CANCEL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
238 #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
239 #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
240 #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
241 #define IPR_WRITE_BUFFER_TIMEOUT		(30 * 60 * HZ)
242 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
243 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
244 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
245 #define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)
246 #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
247 #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
248 #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)
249 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT	(120 * HZ)
250 #define IPR_PCI_RESET_TIMEOUT			(HZ / 2)
251 #define IPR_SIS32_DUMP_TIMEOUT			(15 * HZ)
252 #define IPR_SIS64_DUMP_TIMEOUT			(40 * HZ)
253 #define IPR_DUMP_DELAY_SECONDS			4
254 #define IPR_DUMP_DELAY_TIMEOUT			(IPR_DUMP_DELAY_SECONDS * HZ)
255 
256 /*
257  * SCSI Literals
258  */
259 #define IPR_VENDOR_ID_LEN			8
260 #define IPR_PROD_ID_LEN				16
261 #define IPR_SERIAL_NUM_LEN			8
262 
263 /*
264  * Hardware literals
265  */
266 #define IPR_FMT2_MBX_ADDR_MASK				0x0fffffff
267 #define IPR_FMT2_MBX_BAR_SEL_MASK			0xf0000000
268 #define IPR_FMT2_MKR_BAR_SEL_SHIFT			28
269 #define IPR_GET_FMT2_BAR_SEL(mbx) \
270 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
271 #define IPR_SDT_FMT2_BAR0_SEL				0x0
272 #define IPR_SDT_FMT2_BAR1_SEL				0x1
273 #define IPR_SDT_FMT2_BAR2_SEL				0x2
274 #define IPR_SDT_FMT2_BAR3_SEL				0x3
275 #define IPR_SDT_FMT2_BAR4_SEL				0x4
276 #define IPR_SDT_FMT2_BAR5_SEL				0x5
277 #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
278 #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2
279 #define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3
280 #define IPR_DOORBELL					0x82800000
281 #define IPR_RUNTIME_RESET				0x40000000
282 
283 #define IPR_IPL_INIT_MIN_STAGE_TIME			5
284 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 30
285 #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
286 #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
287 #define IPR_IPL_INIT_STAGE_MASK				0xff000000
288 #define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
289 #define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)
290 
291 #define IPR_PCII_MAILBOX_STABLE				(0x80000000 >> 4)
292 #define IPR_WAIT_FOR_MAILBOX				(2 * HZ)
293 
294 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
295 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
296 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
297 #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
298 #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
299 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
300 #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
301 #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
302 #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
303 #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
304 #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
305 
306 #define IPR_PCII_ERROR_INTERRUPTS \
307 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
308 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
309 
310 #define IPR_PCII_OPER_INTERRUPTS \
311 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
312 
313 #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
314 #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)
315 #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)
316 
317 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
318 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
319 
320 /*
321  * Dump literals
322  */
323 #define IPR_FMT2_MAX_IOA_DUMP_SIZE			(4 * 1024 * 1024)
324 #define IPR_FMT3_MAX_IOA_DUMP_SIZE			(80 * 1024 * 1024)
325 #define IPR_FMT2_NUM_SDT_ENTRIES			511
326 #define IPR_FMT3_NUM_SDT_ENTRIES			0xFFF
327 #define IPR_FMT2_MAX_NUM_DUMP_PAGES	((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
328 #define IPR_FMT3_MAX_NUM_DUMP_PAGES	((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
329 
330 /*
331  * Misc literals
332  */
333 #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
334 #define IPR_MAX_MSIX_VECTORS		0x10
335 #define IPR_MAX_HRRQ_NUM		0x10
336 #define IPR_INIT_HRRQ			0x0
337 
338 /*
339  * Adapter interface types
340  */
341 
342 struct ipr_res_addr {
343 	u8 reserved;
344 	u8 bus;
345 	u8 target;
346 	u8 lun;
347 #define IPR_GET_PHYS_LOC(res_addr) \
348 	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
349 }__attribute__((packed, aligned (4)));
350 
351 struct ipr_std_inq_vpids {
352 	u8 vendor_id[IPR_VENDOR_ID_LEN];
353 	u8 product_id[IPR_PROD_ID_LEN];
354 }__attribute__((packed));
355 
356 struct ipr_vpd {
357 	struct ipr_std_inq_vpids vpids;
358 	u8 sn[IPR_SERIAL_NUM_LEN];
359 }__attribute__((packed));
360 
361 struct ipr_ext_vpd {
362 	struct ipr_vpd vpd;
363 	__be32 wwid[2];
364 }__attribute__((packed));
365 
366 struct ipr_ext_vpd64 {
367 	struct ipr_vpd vpd;
368 	__be32 wwid[4];
369 }__attribute__((packed));
370 
371 struct ipr_std_inq_data {
372 	u8 peri_qual_dev_type;
373 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
374 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
375 
376 	u8 removeable_medium_rsvd;
377 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
378 
379 #define IPR_IS_DASD_DEVICE(std_inq) \
380 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
381 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
382 
383 #define IPR_IS_SES_DEVICE(std_inq) \
384 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
385 
386 	u8 version;
387 	u8 aen_naca_fmt;
388 	u8 additional_len;
389 	u8 sccs_rsvd;
390 	u8 bq_enc_multi;
391 	u8 sync_cmdq_flags;
392 
393 	struct ipr_std_inq_vpids vpids;
394 
395 	u8 ros_rsvd_ram_rsvd[4];
396 
397 	u8 serial_num[IPR_SERIAL_NUM_LEN];
398 }__attribute__ ((packed));
399 
400 #define IPR_RES_TYPE_AF_DASD		0x00
401 #define IPR_RES_TYPE_GENERIC_SCSI	0x01
402 #define IPR_RES_TYPE_VOLUME_SET		0x02
403 #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
404 #define IPR_RES_TYPE_GENERIC_ATA	0x04
405 #define IPR_RES_TYPE_ARRAY		0x05
406 #define IPR_RES_TYPE_IOAFP		0xff
407 
408 struct ipr_config_table_entry {
409 	u8 proto;
410 #define IPR_PROTO_SATA			0x02
411 #define IPR_PROTO_SATA_ATAPI		0x03
412 #define IPR_PROTO_SAS_STP		0x06
413 #define IPR_PROTO_SAS_STP_ATAPI		0x07
414 	u8 array_id;
415 	u8 flags;
416 #define IPR_IS_IOA_RESOURCE		0x80
417 	u8 rsvd_subtype;
418 
419 #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
420 #define IPR_QUEUE_FROZEN_MODEL		0
421 #define IPR_QUEUE_NACA_MODEL		1
422 
423 	struct ipr_res_addr res_addr;
424 	__be32 res_handle;
425 	__be32 lun_wwn[2];
426 	struct ipr_std_inq_data std_inq_data;
427 }__attribute__ ((packed, aligned (4)));
428 
429 struct ipr_config_table_entry64 {
430 	u8 res_type;
431 	u8 proto;
432 	u8 vset_num;
433 	u8 array_id;
434 	__be16 flags;
435 	__be16 res_flags;
436 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
437 	__be32 res_handle;
438 	u8 dev_id_type;
439 	u8 reserved[3];
440 	__be64 dev_id;
441 	__be64 lun;
442 	__be64 lun_wwn[2];
443 #define IPR_MAX_RES_PATH_LENGTH		48
444 	__be64 res_path;
445 	struct ipr_std_inq_data std_inq_data;
446 	u8 reserved2[4];
447 	__be64 reserved3[2];
448 	u8 reserved4[8];
449 }__attribute__ ((packed, aligned (8)));
450 
451 struct ipr_config_table_hdr {
452 	u8 num_entries;
453 	u8 flags;
454 #define IPR_UCODE_DOWNLOAD_REQ	0x10
455 	__be16 reserved;
456 }__attribute__((packed, aligned (4)));
457 
458 struct ipr_config_table_hdr64 {
459 	__be16 num_entries;
460 	__be16 reserved;
461 	u8 flags;
462 	u8 reserved2[11];
463 }__attribute__((packed, aligned (4)));
464 
465 struct ipr_config_table {
466 	struct ipr_config_table_hdr hdr;
467 	struct ipr_config_table_entry dev[0];
468 }__attribute__((packed, aligned (4)));
469 
470 struct ipr_config_table64 {
471 	struct ipr_config_table_hdr64 hdr64;
472 	struct ipr_config_table_entry64 dev[0];
473 }__attribute__((packed, aligned (8)));
474 
475 struct ipr_config_table_entry_wrapper {
476 	union {
477 		struct ipr_config_table_entry *cfgte;
478 		struct ipr_config_table_entry64 *cfgte64;
479 	} u;
480 };
481 
482 struct ipr_hostrcb_cfg_ch_not {
483 	union {
484 		struct ipr_config_table_entry cfgte;
485 		struct ipr_config_table_entry64 cfgte64;
486 	} u;
487 	u8 reserved[936];
488 }__attribute__((packed, aligned (4)));
489 
490 struct ipr_supported_device {
491 	__be16 data_length;
492 	u8 reserved;
493 	u8 num_records;
494 	struct ipr_std_inq_vpids vpids;
495 	u8 reserved2[16];
496 }__attribute__((packed, aligned (4)));
497 
498 struct ipr_hrr_queue {
499 	struct ipr_ioa_cfg *ioa_cfg;
500 	__be32 *host_rrq;
501 	dma_addr_t host_rrq_dma;
502 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
503 #define IPR_HRRQ_RESP_BIT_SET		0x00000002
504 #define IPR_HRRQ_TOGGLE_BIT		0x00000001
505 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
506 #define IPR_ID_HRRQ_SELE_ENABLE		0x02
507 	volatile __be32 *hrrq_start;
508 	volatile __be32 *hrrq_end;
509 	volatile __be32 *hrrq_curr;
510 
511 	struct list_head hrrq_free_q;
512 	struct list_head hrrq_pending_q;
513 	spinlock_t _lock;
514 	spinlock_t *lock;
515 
516 	volatile u32 toggle_bit;
517 	u32 size;
518 	u32 min_cmd_id;
519 	u32 max_cmd_id;
520 	u8 allow_interrupts:1;
521 	u8 ioa_is_dead:1;
522 	u8 allow_cmds:1;
523 	u8 removing_ioa:1;
524 
525 	struct irq_poll iopoll;
526 };
527 
528 /* Command packet structure */
529 struct ipr_cmd_pkt {
530 	u8 reserved;		/* Reserved by IOA */
531 	u8 hrrq_id;
532 	u8 request_type;
533 #define IPR_RQTYPE_SCSICDB		0x00
534 #define IPR_RQTYPE_IOACMD		0x01
535 #define IPR_RQTYPE_HCAM			0x02
536 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
537 #define IPR_RQTYPE_PIPE			0x05
538 
539 	u8 reserved2;
540 
541 	u8 flags_hi;
542 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
543 #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
544 #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
545 #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
546 #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
547 
548 	u8 flags_lo;
549 #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
550 #define IPR_FLAGS_LO_DELAY_AFTER_RST		0x10
551 #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
552 #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
553 #define IPR_FLAGS_LO_ORDERED_TASK		0x04
554 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
555 #define IPR_FLAGS_LO_ACA_TASK			0x08
556 
557 	u8 cdb[16];
558 	__be16 timeout;
559 }__attribute__ ((packed, aligned(4)));
560 
561 struct ipr_ioarcb_ata_regs {	/* 22 bytes */
562 	u8 flags;
563 #define IPR_ATA_FLAG_PACKET_CMD			0x80
564 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
565 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
566 	u8 reserved[3];
567 
568 	__be16 data;
569 	u8 feature;
570 	u8 nsect;
571 	u8 lbal;
572 	u8 lbam;
573 	u8 lbah;
574 	u8 device;
575 	u8 command;
576 	u8 reserved2[3];
577 	u8 hob_feature;
578 	u8 hob_nsect;
579 	u8 hob_lbal;
580 	u8 hob_lbam;
581 	u8 hob_lbah;
582 	u8 ctl;
583 }__attribute__ ((packed, aligned(2)));
584 
585 struct ipr_ioadl_desc {
586 	__be32 flags_and_data_len;
587 #define IPR_IOADL_FLAGS_MASK		0xff000000
588 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
589 #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
590 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
591 #define IPR_IOADL_FLAGS_READ		0x48000000
592 #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
593 #define IPR_IOADL_FLAGS_WRITE		0x68000000
594 #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
595 #define IPR_IOADL_FLAGS_LAST		0x01000000
596 
597 	__be32 address;
598 }__attribute__((packed, aligned (8)));
599 
600 struct ipr_ioadl64_desc {
601 	__be32 flags;
602 	__be32 data_len;
603 	__be64 address;
604 }__attribute__((packed, aligned (16)));
605 
606 struct ipr_ata64_ioadl {
607 	struct ipr_ioarcb_ata_regs regs;
608 	u16 reserved[5];
609 	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
610 }__attribute__((packed, aligned (16)));
611 
612 struct ipr_ioarcb_add_data {
613 	union {
614 		struct ipr_ioarcb_ata_regs regs;
615 		struct ipr_ioadl_desc ioadl[5];
616 		__be32 add_cmd_parms[10];
617 	} u;
618 }__attribute__ ((packed, aligned (4)));
619 
620 struct ipr_ioarcb_sis64_add_addr_ecb {
621 	__be64 ioasa_host_pci_addr;
622 	__be64 data_ioadl_addr;
623 	__be64 reserved;
624 	__be32 ext_control_buf[4];
625 }__attribute__((packed, aligned (8)));
626 
627 /* IOA Request Control Block    128 bytes  */
628 struct ipr_ioarcb {
629 	union {
630 		__be32 ioarcb_host_pci_addr;
631 		__be64 ioarcb_host_pci_addr64;
632 	} a;
633 	__be32 res_handle;
634 	__be32 host_response_handle;
635 	__be32 reserved1;
636 	__be32 reserved2;
637 	__be32 reserved3;
638 
639 	__be32 data_transfer_length;
640 	__be32 read_data_transfer_length;
641 	__be32 write_ioadl_addr;
642 	__be32 ioadl_len;
643 	__be32 read_ioadl_addr;
644 	__be32 read_ioadl_len;
645 
646 	__be32 ioasa_host_pci_addr;
647 	__be16 ioasa_len;
648 	__be16 reserved4;
649 
650 	struct ipr_cmd_pkt cmd_pkt;
651 
652 	__be16 add_cmd_parms_offset;
653 	__be16 add_cmd_parms_len;
654 
655 	union {
656 		struct ipr_ioarcb_add_data add_data;
657 		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
658 	} u;
659 
660 }__attribute__((packed, aligned (4)));
661 
662 struct ipr_ioasa_vset {
663 	__be32 failing_lba_hi;
664 	__be32 failing_lba_lo;
665 	__be32 reserved;
666 }__attribute__((packed, aligned (4)));
667 
668 struct ipr_ioasa_af_dasd {
669 	__be32 failing_lba;
670 	__be32 reserved[2];
671 }__attribute__((packed, aligned (4)));
672 
673 struct ipr_ioasa_gpdd {
674 	u8 end_state;
675 	u8 bus_phase;
676 	__be16 reserved;
677 	__be32 ioa_data[2];
678 }__attribute__((packed, aligned (4)));
679 
680 struct ipr_ioasa_gata {
681 	u8 error;
682 	u8 nsect;		/* Interrupt reason */
683 	u8 lbal;
684 	u8 lbam;
685 	u8 lbah;
686 	u8 device;
687 	u8 status;
688 	u8 alt_status;	/* ATA CTL */
689 	u8 hob_nsect;
690 	u8 hob_lbal;
691 	u8 hob_lbam;
692 	u8 hob_lbah;
693 }__attribute__((packed, aligned (4)));
694 
695 struct ipr_auto_sense {
696 	__be16 auto_sense_len;
697 	__be16 ioa_data_len;
698 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
699 };
700 
701 struct ipr_ioasa_hdr {
702 	__be32 ioasc;
703 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
704 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
705 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
706 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
707 
708 	__be16 ret_stat_len;	/* Length of the returned IOASA */
709 
710 	__be16 avail_stat_len;	/* Total Length of status available. */
711 
712 	__be32 residual_data_len;	/* number of bytes in the host data */
713 	/* buffers that were not used by the IOARCB command. */
714 
715 	__be32 ilid;
716 #define IPR_NO_ILID			0
717 #define IPR_DRIVER_ILID		0xffffffff
718 
719 	__be32 fd_ioasc;
720 
721 	__be32 fd_phys_locator;
722 
723 	__be32 fd_res_handle;
724 
725 	__be32 ioasc_specific;	/* status code specific field */
726 #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
727 #define IPR_AUTOSENSE_VALID			0x40000000
728 #define IPR_ATA_DEVICE_WAS_RESET		0x20000000
729 #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
730 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
731 #define IPR_FIELD_POINTER_MASK		0x0000ffff
732 
733 }__attribute__((packed, aligned (4)));
734 
735 struct ipr_ioasa {
736 	struct ipr_ioasa_hdr hdr;
737 
738 	union {
739 		struct ipr_ioasa_vset vset;
740 		struct ipr_ioasa_af_dasd dasd;
741 		struct ipr_ioasa_gpdd gpdd;
742 		struct ipr_ioasa_gata gata;
743 	} u;
744 
745 	struct ipr_auto_sense auto_sense;
746 }__attribute__((packed, aligned (4)));
747 
748 struct ipr_ioasa64 {
749 	struct ipr_ioasa_hdr hdr;
750 	u8 fd_res_path[8];
751 
752 	union {
753 		struct ipr_ioasa_vset vset;
754 		struct ipr_ioasa_af_dasd dasd;
755 		struct ipr_ioasa_gpdd gpdd;
756 		struct ipr_ioasa_gata gata;
757 	} u;
758 
759 	struct ipr_auto_sense auto_sense;
760 }__attribute__((packed, aligned (4)));
761 
762 struct ipr_mode_parm_hdr {
763 	u8 length;
764 	u8 medium_type;
765 	u8 device_spec_parms;
766 	u8 block_desc_len;
767 }__attribute__((packed));
768 
769 struct ipr_mode_pages {
770 	struct ipr_mode_parm_hdr hdr;
771 	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
772 }__attribute__((packed));
773 
774 struct ipr_mode_page_hdr {
775 	u8 ps_page_code;
776 #define IPR_MODE_PAGE_PS	0x80
777 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
778 	u8 page_length;
779 }__attribute__ ((packed));
780 
781 struct ipr_dev_bus_entry {
782 	struct ipr_res_addr res_addr;
783 	u8 flags;
784 #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
785 #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
786 #define IPR_SCSI_ATTR_QAS_MASK				0xC0
787 #define IPR_SCSI_ATTR_ENABLE_TM				0x20
788 #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
789 #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
790 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
791 
792 	u8 scsi_id;
793 	u8 bus_width;
794 	u8 extended_reset_delay;
795 #define IPR_EXTENDED_RESET_DELAY	7
796 
797 	__be32 max_xfer_rate;
798 
799 	u8 spinup_delay;
800 	u8 reserved3;
801 	__be16 reserved4;
802 }__attribute__((packed, aligned (4)));
803 
804 struct ipr_mode_page28 {
805 	struct ipr_mode_page_hdr hdr;
806 	u8 num_entries;
807 	u8 entry_length;
808 	struct ipr_dev_bus_entry bus[0];
809 }__attribute__((packed));
810 
811 struct ipr_mode_page24 {
812 	struct ipr_mode_page_hdr hdr;
813 	u8 flags;
814 #define IPR_ENABLE_DUAL_IOA_AF 0x80
815 }__attribute__((packed));
816 
817 struct ipr_ioa_vpd {
818 	struct ipr_std_inq_data std_inq_data;
819 	u8 ascii_part_num[12];
820 	u8 reserved[40];
821 	u8 ascii_plant_code[4];
822 }__attribute__((packed));
823 
824 struct ipr_inquiry_page3 {
825 	u8 peri_qual_dev_type;
826 	u8 page_code;
827 	u8 reserved1;
828 	u8 page_length;
829 	u8 ascii_len;
830 	u8 reserved2[3];
831 	u8 load_id[4];
832 	u8 major_release;
833 	u8 card_type;
834 	u8 minor_release[2];
835 	u8 ptf_number[4];
836 	u8 patch_number[4];
837 }__attribute__((packed));
838 
839 struct ipr_inquiry_cap {
840 	u8 peri_qual_dev_type;
841 	u8 page_code;
842 	u8 reserved1;
843 	u8 page_length;
844 	u8 ascii_len;
845 	u8 reserved2;
846 	u8 sis_version[2];
847 	u8 cap;
848 #define IPR_CAP_DUAL_IOA_RAID		0x80
849 	u8 reserved3[15];
850 }__attribute__((packed));
851 
852 #define IPR_INQUIRY_PAGE0_ENTRIES 20
853 struct ipr_inquiry_page0 {
854 	u8 peri_qual_dev_type;
855 	u8 page_code;
856 	u8 reserved1;
857 	u8 len;
858 	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
859 }__attribute__((packed));
860 
861 struct ipr_inquiry_pageC4 {
862 	u8 peri_qual_dev_type;
863 	u8 page_code;
864 	u8 reserved1;
865 	u8 len;
866 	u8 cache_cap[4];
867 #define IPR_CAP_SYNC_CACHE		0x08
868 	u8 reserved2[20];
869 } __packed;
870 
871 struct ipr_hostrcb_device_data_entry {
872 	struct ipr_vpd vpd;
873 	struct ipr_res_addr dev_res_addr;
874 	struct ipr_vpd new_vpd;
875 	struct ipr_vpd ioa_last_with_dev_vpd;
876 	struct ipr_vpd cfc_last_with_dev_vpd;
877 	__be32 ioa_data[5];
878 }__attribute__((packed, aligned (4)));
879 
880 struct ipr_hostrcb_device_data_entry_enhanced {
881 	struct ipr_ext_vpd vpd;
882 	u8 ccin[4];
883 	struct ipr_res_addr dev_res_addr;
884 	struct ipr_ext_vpd new_vpd;
885 	u8 new_ccin[4];
886 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
887 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
888 }__attribute__((packed, aligned (4)));
889 
890 struct ipr_hostrcb64_device_data_entry_enhanced {
891 	struct ipr_ext_vpd vpd;
892 	u8 ccin[4];
893 	u8 res_path[8];
894 	struct ipr_ext_vpd new_vpd;
895 	u8 new_ccin[4];
896 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
897 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
898 }__attribute__((packed, aligned (4)));
899 
900 struct ipr_hostrcb_array_data_entry {
901 	struct ipr_vpd vpd;
902 	struct ipr_res_addr expected_dev_res_addr;
903 	struct ipr_res_addr dev_res_addr;
904 }__attribute__((packed, aligned (4)));
905 
906 struct ipr_hostrcb64_array_data_entry {
907 	struct ipr_ext_vpd vpd;
908 	u8 ccin[4];
909 	u8 expected_res_path[8];
910 	u8 res_path[8];
911 }__attribute__((packed, aligned (4)));
912 
913 struct ipr_hostrcb_array_data_entry_enhanced {
914 	struct ipr_ext_vpd vpd;
915 	u8 ccin[4];
916 	struct ipr_res_addr expected_dev_res_addr;
917 	struct ipr_res_addr dev_res_addr;
918 }__attribute__((packed, aligned (4)));
919 
920 struct ipr_hostrcb_type_ff_error {
921 	__be32 ioa_data[758];
922 }__attribute__((packed, aligned (4)));
923 
924 struct ipr_hostrcb_type_01_error {
925 	__be32 seek_counter;
926 	__be32 read_counter;
927 	u8 sense_data[32];
928 	__be32 ioa_data[236];
929 }__attribute__((packed, aligned (4)));
930 
931 struct ipr_hostrcb_type_21_error {
932 	__be32 wwn[4];
933 	u8 res_path[8];
934 	u8 primary_problem_desc[32];
935 	u8 second_problem_desc[32];
936 	__be32 sense_data[8];
937 	__be32 cdb[4];
938 	__be32 residual_trans_length;
939 	__be32 length_of_error;
940 	__be32 ioa_data[236];
941 }__attribute__((packed, aligned (4)));
942 
943 struct ipr_hostrcb_type_02_error {
944 	struct ipr_vpd ioa_vpd;
945 	struct ipr_vpd cfc_vpd;
946 	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
947 	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
948 	__be32 ioa_data[3];
949 }__attribute__((packed, aligned (4)));
950 
951 struct ipr_hostrcb_type_12_error {
952 	struct ipr_ext_vpd ioa_vpd;
953 	struct ipr_ext_vpd cfc_vpd;
954 	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
955 	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
956 	__be32 ioa_data[3];
957 }__attribute__((packed, aligned (4)));
958 
959 struct ipr_hostrcb_type_03_error {
960 	struct ipr_vpd ioa_vpd;
961 	struct ipr_vpd cfc_vpd;
962 	__be32 errors_detected;
963 	__be32 errors_logged;
964 	u8 ioa_data[12];
965 	struct ipr_hostrcb_device_data_entry dev[3];
966 }__attribute__((packed, aligned (4)));
967 
968 struct ipr_hostrcb_type_13_error {
969 	struct ipr_ext_vpd ioa_vpd;
970 	struct ipr_ext_vpd cfc_vpd;
971 	__be32 errors_detected;
972 	__be32 errors_logged;
973 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
974 }__attribute__((packed, aligned (4)));
975 
976 struct ipr_hostrcb_type_23_error {
977 	struct ipr_ext_vpd ioa_vpd;
978 	struct ipr_ext_vpd cfc_vpd;
979 	__be32 errors_detected;
980 	__be32 errors_logged;
981 	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
982 }__attribute__((packed, aligned (4)));
983 
984 struct ipr_hostrcb_type_04_error {
985 	struct ipr_vpd ioa_vpd;
986 	struct ipr_vpd cfc_vpd;
987 	u8 ioa_data[12];
988 	struct ipr_hostrcb_array_data_entry array_member[10];
989 	__be32 exposed_mode_adn;
990 	__be32 array_id;
991 	struct ipr_vpd incomp_dev_vpd;
992 	__be32 ioa_data2;
993 	struct ipr_hostrcb_array_data_entry array_member2[8];
994 	struct ipr_res_addr last_func_vset_res_addr;
995 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
996 	u8 protection_level[8];
997 }__attribute__((packed, aligned (4)));
998 
999 struct ipr_hostrcb_type_14_error {
1000 	struct ipr_ext_vpd ioa_vpd;
1001 	struct ipr_ext_vpd cfc_vpd;
1002 	__be32 exposed_mode_adn;
1003 	__be32 array_id;
1004 	struct ipr_res_addr last_func_vset_res_addr;
1005 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1006 	u8 protection_level[8];
1007 	__be32 num_entries;
1008 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1009 }__attribute__((packed, aligned (4)));
1010 
1011 struct ipr_hostrcb_type_24_error {
1012 	struct ipr_ext_vpd ioa_vpd;
1013 	struct ipr_ext_vpd cfc_vpd;
1014 	u8 reserved[2];
1015 	u8 exposed_mode_adn;
1016 #define IPR_INVALID_ARRAY_DEV_NUM		0xff
1017 	u8 array_id;
1018 	u8 last_res_path[8];
1019 	u8 protection_level[8];
1020 	struct ipr_ext_vpd64 array_vpd;
1021 	u8 description[16];
1022 	u8 reserved2[3];
1023 	u8 num_entries;
1024 	struct ipr_hostrcb64_array_data_entry array_member[32];
1025 }__attribute__((packed, aligned (4)));
1026 
1027 struct ipr_hostrcb_type_07_error {
1028 	u8 failure_reason[64];
1029 	struct ipr_vpd vpd;
1030 	__be32 data[222];
1031 }__attribute__((packed, aligned (4)));
1032 
1033 struct ipr_hostrcb_type_17_error {
1034 	u8 failure_reason[64];
1035 	struct ipr_ext_vpd vpd;
1036 	__be32 data[476];
1037 }__attribute__((packed, aligned (4)));
1038 
1039 struct ipr_hostrcb_config_element {
1040 	u8 type_status;
1041 #define IPR_PATH_CFG_TYPE_MASK	0xF0
1042 #define IPR_PATH_CFG_NOT_EXIST	0x00
1043 #define IPR_PATH_CFG_IOA_PORT		0x10
1044 #define IPR_PATH_CFG_EXP_PORT		0x20
1045 #define IPR_PATH_CFG_DEVICE_PORT	0x30
1046 #define IPR_PATH_CFG_DEVICE_LUN	0x40
1047 
1048 #define IPR_PATH_CFG_STATUS_MASK	0x0F
1049 #define IPR_PATH_CFG_NO_PROB		0x00
1050 #define IPR_PATH_CFG_DEGRADED		0x01
1051 #define IPR_PATH_CFG_FAILED		0x02
1052 #define IPR_PATH_CFG_SUSPECT		0x03
1053 #define IPR_PATH_NOT_DETECTED		0x04
1054 #define IPR_PATH_INCORRECT_CONN	0x05
1055 
1056 	u8 cascaded_expander;
1057 	u8 phy;
1058 	u8 link_rate;
1059 #define IPR_PHY_LINK_RATE_MASK	0x0F
1060 
1061 	__be32 wwid[2];
1062 }__attribute__((packed, aligned (4)));
1063 
1064 struct ipr_hostrcb64_config_element {
1065 	__be16 length;
1066 	u8 descriptor_id;
1067 #define IPR_DESCRIPTOR_MASK		0xC0
1068 #define IPR_DESCRIPTOR_SIS64		0x00
1069 
1070 	u8 reserved;
1071 	u8 type_status;
1072 
1073 	u8 reserved2[2];
1074 	u8 link_rate;
1075 
1076 	u8 res_path[8];
1077 	__be32 wwid[2];
1078 }__attribute__((packed, aligned (8)));
1079 
1080 struct ipr_hostrcb_fabric_desc {
1081 	__be16 length;
1082 	u8 ioa_port;
1083 	u8 cascaded_expander;
1084 	u8 phy;
1085 	u8 path_state;
1086 #define IPR_PATH_ACTIVE_MASK		0xC0
1087 #define IPR_PATH_NO_INFO		0x00
1088 #define IPR_PATH_ACTIVE			0x40
1089 #define IPR_PATH_NOT_ACTIVE		0x80
1090 
1091 #define IPR_PATH_STATE_MASK		0x0F
1092 #define IPR_PATH_STATE_NO_INFO	0x00
1093 #define IPR_PATH_HEALTHY		0x01
1094 #define IPR_PATH_DEGRADED		0x02
1095 #define IPR_PATH_FAILED			0x03
1096 
1097 	__be16 num_entries;
1098 	struct ipr_hostrcb_config_element elem[1];
1099 }__attribute__((packed, aligned (4)));
1100 
1101 struct ipr_hostrcb64_fabric_desc {
1102 	__be16 length;
1103 	u8 descriptor_id;
1104 
1105 	u8 reserved[2];
1106 	u8 path_state;
1107 
1108 	u8 reserved2[2];
1109 	u8 res_path[8];
1110 	u8 reserved3[6];
1111 	__be16 num_entries;
1112 	struct ipr_hostrcb64_config_element elem[1];
1113 }__attribute__((packed, aligned (8)));
1114 
1115 #define for_each_hrrq(hrrq, ioa_cfg) \
1116 		for (hrrq = (ioa_cfg)->hrrq; \
1117 			hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1118 
1119 #define for_each_fabric_cfg(fabric, cfg) \
1120 		for (cfg = (fabric)->elem; \
1121 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1122 			cfg++)
1123 
1124 struct ipr_hostrcb_type_20_error {
1125 	u8 failure_reason[64];
1126 	u8 reserved[3];
1127 	u8 num_entries;
1128 	struct ipr_hostrcb_fabric_desc desc[1];
1129 }__attribute__((packed, aligned (4)));
1130 
1131 struct ipr_hostrcb_type_30_error {
1132 	u8 failure_reason[64];
1133 	u8 reserved[3];
1134 	u8 num_entries;
1135 	struct ipr_hostrcb64_fabric_desc desc[1];
1136 }__attribute__((packed, aligned (4)));
1137 
1138 struct ipr_hostrcb_error {
1139 	__be32 fd_ioasc;
1140 	struct ipr_res_addr fd_res_addr;
1141 	__be32 fd_res_handle;
1142 	__be32 prc;
1143 	union {
1144 		struct ipr_hostrcb_type_ff_error type_ff_error;
1145 		struct ipr_hostrcb_type_01_error type_01_error;
1146 		struct ipr_hostrcb_type_02_error type_02_error;
1147 		struct ipr_hostrcb_type_03_error type_03_error;
1148 		struct ipr_hostrcb_type_04_error type_04_error;
1149 		struct ipr_hostrcb_type_07_error type_07_error;
1150 		struct ipr_hostrcb_type_12_error type_12_error;
1151 		struct ipr_hostrcb_type_13_error type_13_error;
1152 		struct ipr_hostrcb_type_14_error type_14_error;
1153 		struct ipr_hostrcb_type_17_error type_17_error;
1154 		struct ipr_hostrcb_type_20_error type_20_error;
1155 	} u;
1156 }__attribute__((packed, aligned (4)));
1157 
1158 struct ipr_hostrcb64_error {
1159 	__be32 fd_ioasc;
1160 	__be32 ioa_fw_level;
1161 	__be32 fd_res_handle;
1162 	__be32 prc;
1163 	__be64 fd_dev_id;
1164 	__be64 fd_lun;
1165 	u8 fd_res_path[8];
1166 	__be64 time_stamp;
1167 	u8 reserved[16];
1168 	union {
1169 		struct ipr_hostrcb_type_ff_error type_ff_error;
1170 		struct ipr_hostrcb_type_12_error type_12_error;
1171 		struct ipr_hostrcb_type_17_error type_17_error;
1172 		struct ipr_hostrcb_type_21_error type_21_error;
1173 		struct ipr_hostrcb_type_23_error type_23_error;
1174 		struct ipr_hostrcb_type_24_error type_24_error;
1175 		struct ipr_hostrcb_type_30_error type_30_error;
1176 	} u;
1177 }__attribute__((packed, aligned (8)));
1178 
1179 struct ipr_hostrcb_raw {
1180 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1181 }__attribute__((packed, aligned (4)));
1182 
1183 struct ipr_hcam {
1184 	u8 op_code;
1185 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
1186 #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
1187 
1188 	u8 notify_type;
1189 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
1190 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
1191 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
1192 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
1193 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
1194 
1195 	u8 notifications_lost;
1196 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
1197 #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
1198 
1199 	u8 flags;
1200 #define IPR_HOSTRCB_INTERNAL_OPER	0x80
1201 #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
1202 
1203 	u8 overlay_id;
1204 #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
1205 #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
1206 #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
1207 #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
1208 #define IPR_HOST_RCB_OVERLAY_ID_6				0x06
1209 #define IPR_HOST_RCB_OVERLAY_ID_7				0x07
1210 #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
1211 #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
1212 #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
1213 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
1214 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
1215 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
1216 #define IPR_HOST_RCB_OVERLAY_ID_21				0x21
1217 #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
1218 #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
1219 #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
1220 #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
1221 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
1222 
1223 	u8 reserved1[3];
1224 	__be32 ilid;
1225 	__be32 time_since_last_ioa_reset;
1226 	__be32 reserved2;
1227 	__be32 length;
1228 
1229 	union {
1230 		struct ipr_hostrcb_error error;
1231 		struct ipr_hostrcb64_error error64;
1232 		struct ipr_hostrcb_cfg_ch_not ccn;
1233 		struct ipr_hostrcb_raw raw;
1234 	} u;
1235 }__attribute__((packed, aligned (4)));
1236 
1237 struct ipr_hostrcb {
1238 	struct ipr_hcam hcam;
1239 	dma_addr_t hostrcb_dma;
1240 	struct list_head queue;
1241 	struct ipr_ioa_cfg *ioa_cfg;
1242 	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1243 };
1244 
1245 /* IPR smart dump table structures */
1246 struct ipr_sdt_entry {
1247 	__be32 start_token;
1248 	__be32 end_token;
1249 	u8 reserved[4];
1250 
1251 	u8 flags;
1252 #define IPR_SDT_ENDIAN		0x80
1253 #define IPR_SDT_VALID_ENTRY	0x20
1254 
1255 	u8 resv;
1256 	__be16 priority;
1257 }__attribute__((packed, aligned (4)));
1258 
1259 struct ipr_sdt_header {
1260 	__be32 state;
1261 	__be32 num_entries;
1262 	__be32 num_entries_used;
1263 	__be32 dump_size;
1264 }__attribute__((packed, aligned (4)));
1265 
1266 struct ipr_sdt {
1267 	struct ipr_sdt_header hdr;
1268 	struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1269 }__attribute__((packed, aligned (4)));
1270 
1271 struct ipr_uc_sdt {
1272 	struct ipr_sdt_header hdr;
1273 	struct ipr_sdt_entry entry[1];
1274 }__attribute__((packed, aligned (4)));
1275 
1276 /*
1277  * Driver types
1278  */
1279 struct ipr_bus_attributes {
1280 	u8 bus;
1281 	u8 qas_enabled;
1282 	u8 bus_width;
1283 	u8 reserved;
1284 	u32 max_xfer_rate;
1285 };
1286 
1287 struct ipr_sata_port {
1288 	struct ipr_ioa_cfg *ioa_cfg;
1289 	struct ata_port *ap;
1290 	struct ipr_resource_entry *res;
1291 	struct ipr_ioasa_gata ioasa;
1292 };
1293 
1294 struct ipr_resource_entry {
1295 	u8 needs_sync_complete:1;
1296 	u8 in_erp:1;
1297 	u8 add_to_ml:1;
1298 	u8 del_from_ml:1;
1299 	u8 resetting_device:1;
1300 	u8 reset_occurred:1;
1301 	u8 raw_mode:1;
1302 
1303 	u32 bus;		/* AKA channel */
1304 	u32 target;		/* AKA id */
1305 	u32 lun;
1306 #define IPR_ARRAY_VIRTUAL_BUS			0x1
1307 #define IPR_VSET_VIRTUAL_BUS			0x2
1308 #define IPR_IOAFP_VIRTUAL_BUS			0x3
1309 
1310 #define IPR_GET_RES_PHYS_LOC(res) \
1311 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1312 
1313 	u8 ata_class;
1314 	u8 type;
1315 
1316 	u16 flags;
1317 	u16 res_flags;
1318 
1319 	u8 qmodel;
1320 	struct ipr_std_inq_data std_inq_data;
1321 
1322 	__be32 res_handle;
1323 	__be64 dev_id;
1324 	u64 lun_wwn;
1325 	struct scsi_lun dev_lun;
1326 	u8 res_path[8];
1327 
1328 	struct ipr_ioa_cfg *ioa_cfg;
1329 	struct scsi_device *sdev;
1330 	struct ipr_sata_port *sata_port;
1331 	struct list_head queue;
1332 }; /* struct ipr_resource_entry */
1333 
1334 struct ipr_resource_hdr {
1335 	u16 num_entries;
1336 	u16 reserved;
1337 };
1338 
1339 struct ipr_misc_cbs {
1340 	struct ipr_ioa_vpd ioa_vpd;
1341 	struct ipr_inquiry_page0 page0_data;
1342 	struct ipr_inquiry_page3 page3_data;
1343 	struct ipr_inquiry_cap cap;
1344 	struct ipr_inquiry_pageC4 pageC4_data;
1345 	struct ipr_mode_pages mode_pages;
1346 	struct ipr_supported_device supp_dev;
1347 };
1348 
1349 struct ipr_interrupt_offsets {
1350 	unsigned long set_interrupt_mask_reg;
1351 	unsigned long clr_interrupt_mask_reg;
1352 	unsigned long clr_interrupt_mask_reg32;
1353 	unsigned long sense_interrupt_mask_reg;
1354 	unsigned long sense_interrupt_mask_reg32;
1355 	unsigned long clr_interrupt_reg;
1356 	unsigned long clr_interrupt_reg32;
1357 
1358 	unsigned long sense_interrupt_reg;
1359 	unsigned long sense_interrupt_reg32;
1360 	unsigned long ioarrin_reg;
1361 	unsigned long sense_uproc_interrupt_reg;
1362 	unsigned long sense_uproc_interrupt_reg32;
1363 	unsigned long set_uproc_interrupt_reg;
1364 	unsigned long set_uproc_interrupt_reg32;
1365 	unsigned long clr_uproc_interrupt_reg;
1366 	unsigned long clr_uproc_interrupt_reg32;
1367 
1368 	unsigned long init_feedback_reg;
1369 
1370 	unsigned long dump_addr_reg;
1371 	unsigned long dump_data_reg;
1372 
1373 #define IPR_ENDIAN_SWAP_KEY		0x00080800
1374 	unsigned long endian_swap_reg;
1375 };
1376 
1377 struct ipr_interrupts {
1378 	void __iomem *set_interrupt_mask_reg;
1379 	void __iomem *clr_interrupt_mask_reg;
1380 	void __iomem *clr_interrupt_mask_reg32;
1381 	void __iomem *sense_interrupt_mask_reg;
1382 	void __iomem *sense_interrupt_mask_reg32;
1383 	void __iomem *clr_interrupt_reg;
1384 	void __iomem *clr_interrupt_reg32;
1385 
1386 	void __iomem *sense_interrupt_reg;
1387 	void __iomem *sense_interrupt_reg32;
1388 	void __iomem *ioarrin_reg;
1389 	void __iomem *sense_uproc_interrupt_reg;
1390 	void __iomem *sense_uproc_interrupt_reg32;
1391 	void __iomem *set_uproc_interrupt_reg;
1392 	void __iomem *set_uproc_interrupt_reg32;
1393 	void __iomem *clr_uproc_interrupt_reg;
1394 	void __iomem *clr_uproc_interrupt_reg32;
1395 
1396 	void __iomem *init_feedback_reg;
1397 
1398 	void __iomem *dump_addr_reg;
1399 	void __iomem *dump_data_reg;
1400 
1401 	void __iomem *endian_swap_reg;
1402 };
1403 
1404 struct ipr_chip_cfg_t {
1405 	u32 mailbox;
1406 	u16 max_cmds;
1407 	u8 cache_line_size;
1408 	u8 clear_isr;
1409 	u32 iopoll_weight;
1410 	struct ipr_interrupt_offsets regs;
1411 };
1412 
1413 struct ipr_chip_t {
1414 	u16 vendor;
1415 	u16 device;
1416 	bool has_msi;
1417 	u16 sis_type;
1418 #define IPR_SIS32			0x00
1419 #define IPR_SIS64			0x01
1420 	u16 bist_method;
1421 #define IPR_PCI_CFG			0x00
1422 #define IPR_MMIO			0x01
1423 	const struct ipr_chip_cfg_t *cfg;
1424 };
1425 
1426 enum ipr_shutdown_type {
1427 	IPR_SHUTDOWN_NORMAL = 0x00,
1428 	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1429 	IPR_SHUTDOWN_ABBREV = 0x80,
1430 	IPR_SHUTDOWN_NONE = 0x100,
1431 	IPR_SHUTDOWN_QUIESCE = 0x101,
1432 };
1433 
1434 struct ipr_trace_entry {
1435 	u32 time;
1436 
1437 	u8 op_code;
1438 	u8 ata_op_code;
1439 	u8 type;
1440 #define IPR_TRACE_START			0x00
1441 #define IPR_TRACE_FINISH		0xff
1442 	u8 cmd_index;
1443 
1444 	__be32 res_handle;
1445 	union {
1446 		u32 ioasc;
1447 		u32 add_data;
1448 		u32 res_addr;
1449 	} u;
1450 };
1451 
1452 struct ipr_sglist {
1453 	u32 order;
1454 	u32 num_sg;
1455 	u32 num_dma_sg;
1456 	u32 buffer_len;
1457 	struct scatterlist scatterlist[1];
1458 };
1459 
1460 enum ipr_sdt_state {
1461 	INACTIVE,
1462 	WAIT_FOR_DUMP,
1463 	GET_DUMP,
1464 	READ_DUMP,
1465 	ABORT_DUMP,
1466 	DUMP_OBTAINED
1467 };
1468 
1469 /* Per-controller data */
1470 struct ipr_ioa_cfg {
1471 	char eye_catcher[8];
1472 #define IPR_EYECATCHER			"iprcfg"
1473 
1474 	struct list_head queue;
1475 
1476 	u8 in_reset_reload:1;
1477 	u8 in_ioa_bringdown:1;
1478 	u8 ioa_unit_checked:1;
1479 	u8 dump_taken:1;
1480 	u8 scan_enabled:1;
1481 	u8 scan_done:1;
1482 	u8 needs_hard_reset:1;
1483 	u8 dual_raid:1;
1484 	u8 needs_warm_reset:1;
1485 	u8 msi_received:1;
1486 	u8 sis64:1;
1487 	u8 dump_timeout:1;
1488 	u8 cfg_locked:1;
1489 	u8 clear_isr:1;
1490 	u8 probe_done:1;
1491 
1492 	u8 revid;
1493 
1494 	/*
1495 	 * Bitmaps for SIS64 generated target values
1496 	 */
1497 	unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1498 	unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1499 	unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1500 
1501 	u16 type; /* CCIN of the card */
1502 
1503 	u8 log_level;
1504 #define IPR_MAX_LOG_LEVEL			4
1505 #define IPR_DEFAULT_LOG_LEVEL		2
1506 #define IPR_DEBUG_LOG_LEVEL		3
1507 
1508 #define IPR_NUM_TRACE_INDEX_BITS	8
1509 #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
1510 #define IPR_TRACE_INDEX_MASK		(IPR_NUM_TRACE_ENTRIES - 1)
1511 #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1512 	char trace_start[8];
1513 #define IPR_TRACE_START_LABEL			"trace"
1514 	struct ipr_trace_entry *trace;
1515 	atomic_t trace_index;
1516 
1517 	char cfg_table_start[8];
1518 #define IPR_CFG_TBL_START		"cfg"
1519 	union {
1520 		struct ipr_config_table *cfg_table;
1521 		struct ipr_config_table64 *cfg_table64;
1522 	} u;
1523 	dma_addr_t cfg_table_dma;
1524 	u32 cfg_table_size;
1525 	u32 max_devs_supported;
1526 
1527 	char resource_table_label[8];
1528 #define IPR_RES_TABLE_LABEL		"res_tbl"
1529 	struct ipr_resource_entry *res_entries;
1530 	struct list_head free_res_q;
1531 	struct list_head used_res_q;
1532 
1533 	char ipr_hcam_label[8];
1534 #define IPR_HCAM_LABEL			"hcams"
1535 	struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1536 	dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1537 	struct list_head hostrcb_free_q;
1538 	struct list_head hostrcb_pending_q;
1539 	struct list_head hostrcb_report_q;
1540 
1541 	struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1542 	u32 hrrq_num;
1543 	atomic_t  hrrq_index;
1544 	u16 identify_hrrq_index;
1545 
1546 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1547 
1548 	unsigned int transop_timeout;
1549 	const struct ipr_chip_cfg_t *chip_cfg;
1550 	const struct ipr_chip_t *ipr_chip;
1551 
1552 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
1553 	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
1554 	void __iomem *ioa_mailbox;
1555 	struct ipr_interrupts regs;
1556 
1557 	u16 saved_pcix_cmd_reg;
1558 	u16 reset_retries;
1559 
1560 	u32 errors_logged;
1561 	u32 doorbell;
1562 
1563 	struct Scsi_Host *host;
1564 	struct pci_dev *pdev;
1565 	struct ipr_sglist *ucode_sglist;
1566 	u8 saved_mode_page_len;
1567 
1568 	struct work_struct work_q;
1569 	struct workqueue_struct *reset_work_q;
1570 
1571 	wait_queue_head_t reset_wait_q;
1572 	wait_queue_head_t msi_wait_q;
1573 	wait_queue_head_t eeh_wait_q;
1574 
1575 	struct ipr_dump *dump;
1576 	enum ipr_sdt_state sdt_state;
1577 
1578 	struct ipr_misc_cbs *vpd_cbs;
1579 	dma_addr_t vpd_cbs_dma;
1580 
1581 	struct dma_pool *ipr_cmd_pool;
1582 
1583 	struct ipr_cmnd *reset_cmd;
1584 	int (*reset) (struct ipr_cmnd *);
1585 
1586 	struct ata_host ata_host;
1587 	char ipr_cmd_label[8];
1588 #define IPR_CMD_LABEL		"ipr_cmd"
1589 	u32 max_cmds;
1590 	struct ipr_cmnd **ipr_cmnd_list;
1591 	dma_addr_t *ipr_cmnd_list_dma;
1592 
1593 	unsigned int nvectors;
1594 
1595 	struct {
1596 		char desc[22];
1597 	} vectors_info[IPR_MAX_MSIX_VECTORS];
1598 
1599 	u32 iopoll_weight;
1600 
1601 }; /* struct ipr_ioa_cfg */
1602 
1603 struct ipr_cmnd {
1604 	struct ipr_ioarcb ioarcb;
1605 	union {
1606 		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1607 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1608 		struct ipr_ata64_ioadl ata_ioadl;
1609 	} i;
1610 	union {
1611 		struct ipr_ioasa ioasa;
1612 		struct ipr_ioasa64 ioasa64;
1613 	} s;
1614 	struct list_head queue;
1615 	struct scsi_cmnd *scsi_cmd;
1616 	struct ata_queued_cmd *qc;
1617 	struct completion completion;
1618 	struct timer_list timer;
1619 	struct work_struct work;
1620 	void (*fast_done) (struct ipr_cmnd *);
1621 	void (*done) (struct ipr_cmnd *);
1622 	int (*job_step) (struct ipr_cmnd *);
1623 	int (*job_step_failed) (struct ipr_cmnd *);
1624 	u16 cmd_index;
1625 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1626 	dma_addr_t sense_buffer_dma;
1627 	unsigned short dma_use_sg;
1628 	dma_addr_t dma_addr;
1629 	struct ipr_cmnd *sibling;
1630 	union {
1631 		enum ipr_shutdown_type shutdown_type;
1632 		struct ipr_hostrcb *hostrcb;
1633 		unsigned long time_left;
1634 		unsigned long scratch;
1635 		struct ipr_resource_entry *res;
1636 		struct scsi_device *sdev;
1637 	} u;
1638 
1639 	struct completion *eh_comp;
1640 	struct ipr_hrr_queue *hrrq;
1641 	struct ipr_ioa_cfg *ioa_cfg;
1642 };
1643 
1644 struct ipr_ses_table_entry {
1645 	char product_id[17];
1646 	char compare_product_id_byte[17];
1647 	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
1648 };
1649 
1650 struct ipr_dump_header {
1651 	u32 eye_catcher;
1652 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1653 	u32 len;
1654 	u32 num_entries;
1655 	u32 first_entry_offset;
1656 	u32 status;
1657 #define IPR_DUMP_STATUS_SUCCESS			0
1658 #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
1659 #define IPR_DUMP_STATUS_FAILED			0xffffffff
1660 	u32 os;
1661 #define IPR_DUMP_OS_LINUX	0x4C4E5558
1662 	u32 driver_name;
1663 #define IPR_DUMP_DRIVER_NAME	0x49505232
1664 }__attribute__((packed, aligned (4)));
1665 
1666 struct ipr_dump_entry_header {
1667 	u32 eye_catcher;
1668 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1669 	u32 len;
1670 	u32 num_elems;
1671 	u32 offset;
1672 	u32 data_type;
1673 #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
1674 #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
1675 	u32 id;
1676 #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
1677 #define IPR_DUMP_LOCATION_ID		0x4C4F4341
1678 #define IPR_DUMP_TRACE_ID		0x54524143
1679 #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
1680 #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
1681 #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
1682 #define IPR_DUMP_PEND_OPS		0x414F5053
1683 	u32 status;
1684 }__attribute__((packed, aligned (4)));
1685 
1686 struct ipr_dump_location_entry {
1687 	struct ipr_dump_entry_header hdr;
1688 	u8 location[20];
1689 }__attribute__((packed));
1690 
1691 struct ipr_dump_trace_entry {
1692 	struct ipr_dump_entry_header hdr;
1693 	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1694 }__attribute__((packed, aligned (4)));
1695 
1696 struct ipr_dump_version_entry {
1697 	struct ipr_dump_entry_header hdr;
1698 	u8 version[sizeof(IPR_DRIVER_VERSION)];
1699 };
1700 
1701 struct ipr_dump_ioa_type_entry {
1702 	struct ipr_dump_entry_header hdr;
1703 	u32 type;
1704 	u32 fw_version;
1705 };
1706 
1707 struct ipr_driver_dump {
1708 	struct ipr_dump_header hdr;
1709 	struct ipr_dump_version_entry version_entry;
1710 	struct ipr_dump_location_entry location_entry;
1711 	struct ipr_dump_ioa_type_entry ioa_type_entry;
1712 	struct ipr_dump_trace_entry trace_entry;
1713 }__attribute__((packed));
1714 
1715 struct ipr_ioa_dump {
1716 	struct ipr_dump_entry_header hdr;
1717 	struct ipr_sdt sdt;
1718 	__be32 **ioa_data;
1719 	u32 reserved;
1720 	u32 next_page_index;
1721 	u32 page_offset;
1722 	u32 format;
1723 }__attribute__((packed, aligned (4)));
1724 
1725 struct ipr_dump {
1726 	struct kref kref;
1727 	struct ipr_ioa_cfg *ioa_cfg;
1728 	struct ipr_driver_dump driver_dump;
1729 	struct ipr_ioa_dump ioa_dump;
1730 };
1731 
1732 struct ipr_error_table_t {
1733 	u32 ioasc;
1734 	int log_ioasa;
1735 	int log_hcam;
1736 	char *error;
1737 };
1738 
1739 struct ipr_software_inq_lid_info {
1740 	__be32 load_id;
1741 	__be32 timestamp[3];
1742 }__attribute__((packed, aligned (4)));
1743 
1744 struct ipr_ucode_image_header {
1745 	__be32 header_length;
1746 	__be32 lid_table_offset;
1747 	u8 major_release;
1748 	u8 card_type;
1749 	u8 minor_release[2];
1750 	u8 reserved[20];
1751 	char eyecatcher[16];
1752 	__be32 num_lids;
1753 	struct ipr_software_inq_lid_info lid[1];
1754 }__attribute__((packed, aligned (4)));
1755 
1756 /*
1757  * Macros
1758  */
1759 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1760 
1761 #ifdef CONFIG_SCSI_IPR_TRACE
1762 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1763 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1764 #else
1765 #define ipr_create_trace_file(kobj, attr) 0
1766 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1767 #endif
1768 
1769 #ifdef CONFIG_SCSI_IPR_DUMP
1770 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1771 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1772 #else
1773 #define ipr_create_dump_file(kobj, attr) 0
1774 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1775 #endif
1776 
1777 /*
1778  * Error logging macros
1779  */
1780 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1781 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1782 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1783 
1784 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1785 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1786 		bus, target, lun, ##__VA_ARGS__)
1787 
1788 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1789 	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1790 
1791 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1792 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1793 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1794 
1795 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1796 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1797 
1798 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
1799 {									\
1800 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
1801 		ipr_err(fmt": unknown\n", ##__VA_ARGS__);		\
1802 	} else {							\
1803 		ipr_err(fmt": %d:%d:%d:%d\n",				\
1804 			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
1805 			(res).bus, (res).target, (res).lun);		\
1806 	}								\
1807 }
1808 
1809 #define ipr_hcam_err(hostrcb, fmt, ...)					\
1810 {									\
1811 	if (ipr_is_device(hostrcb)) {					\
1812 		if ((hostrcb)->ioa_cfg->sis64) {			\
1813 			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
1814 				ipr_format_res_path(hostrcb->ioa_cfg,	\
1815 					hostrcb->hcam.u.error64.fd_res_path, \
1816 					hostrcb->rp_buffer,		\
1817 					sizeof(hostrcb->rp_buffer)),	\
1818 				__VA_ARGS__);				\
1819 		} else {						\
1820 			ipr_ra_err((hostrcb)->ioa_cfg,			\
1821 				(hostrcb)->hcam.u.error.fd_res_addr,	\
1822 				fmt, __VA_ARGS__);			\
1823 		}							\
1824 	} else {							\
1825 		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1826 	}								\
1827 }
1828 
1829 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1830 	__FILE__, __func__, __LINE__)
1831 
1832 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1833 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1834 
1835 #define ipr_err_separator \
1836 ipr_err("----------------------------------------------------------\n")
1837 
1838 
1839 /*
1840  * Inlines
1841  */
1842 
1843 /**
1844  * ipr_is_ioa_resource - Determine if a resource is the IOA
1845  * @res:	resource entry struct
1846  *
1847  * Return value:
1848  * 	1 if IOA / 0 if not IOA
1849  **/
1850 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1851 {
1852 	return res->type == IPR_RES_TYPE_IOAFP;
1853 }
1854 
1855 /**
1856  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1857  * @res:	resource entry struct
1858  *
1859  * Return value:
1860  * 	1 if AF DASD / 0 if not AF DASD
1861  **/
1862 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1863 {
1864 	return res->type == IPR_RES_TYPE_AF_DASD ||
1865 		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1866 }
1867 
1868 /**
1869  * ipr_is_vset_device - Determine if a resource is a VSET
1870  * @res:	resource entry struct
1871  *
1872  * Return value:
1873  * 	1 if VSET / 0 if not VSET
1874  **/
1875 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1876 {
1877 	return res->type == IPR_RES_TYPE_VOLUME_SET;
1878 }
1879 
1880 /**
1881  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1882  * @res:	resource entry struct
1883  *
1884  * Return value:
1885  * 	1 if GSCSI / 0 if not GSCSI
1886  **/
1887 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1888 {
1889 	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1890 }
1891 
1892 /**
1893  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1894  * @res:	resource entry struct
1895  *
1896  * Return value:
1897  * 	1 if SCSI disk / 0 if not SCSI disk
1898  **/
1899 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1900 {
1901 	if (ipr_is_af_dasd_device(res) ||
1902 	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1903 		return 1;
1904 	else
1905 		return 0;
1906 }
1907 
1908 /**
1909  * ipr_is_gata - Determine if a resource is a generic ATA resource
1910  * @res:	resource entry struct
1911  *
1912  * Return value:
1913  * 	1 if GATA / 0 if not GATA
1914  **/
1915 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1916 {
1917 	return res->type == IPR_RES_TYPE_GENERIC_ATA;
1918 }
1919 
1920 /**
1921  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1922  * @res:	resource entry struct
1923  *
1924  * Return value:
1925  * 	1 if NACA queueing model / 0 if not NACA queueing model
1926  **/
1927 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1928 {
1929 	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1930 		return 1;
1931 	return 0;
1932 }
1933 
1934 /**
1935  * ipr_is_device - Determine if the hostrcb structure is related to a device
1936  * @hostrcb:	host resource control blocks struct
1937  *
1938  * Return value:
1939  * 	1 if AF / 0 if not AF
1940  **/
1941 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1942 {
1943 	struct ipr_res_addr *res_addr;
1944 	u8 *res_path;
1945 
1946 	if (hostrcb->ioa_cfg->sis64) {
1947 		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1948 		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1949 		    res_path[0] == 0x81) && res_path[2] != 0xFF)
1950 			return 1;
1951 	} else {
1952 		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1953 
1954 		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1955 		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1956 			return 1;
1957 	}
1958 	return 0;
1959 }
1960 
1961 /**
1962  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1963  * @sdt_word:	SDT address
1964  *
1965  * Return value:
1966  * 	1 if format 2 / 0 if not
1967  **/
1968 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1969 {
1970 	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1971 
1972 	switch (bar_sel) {
1973 	case IPR_SDT_FMT2_BAR0_SEL:
1974 	case IPR_SDT_FMT2_BAR1_SEL:
1975 	case IPR_SDT_FMT2_BAR2_SEL:
1976 	case IPR_SDT_FMT2_BAR3_SEL:
1977 	case IPR_SDT_FMT2_BAR4_SEL:
1978 	case IPR_SDT_FMT2_BAR5_SEL:
1979 	case IPR_SDT_FMT2_EXP_ROM_SEL:
1980 		return 1;
1981 	};
1982 
1983 	return 0;
1984 }
1985 
1986 #ifndef writeq
1987 static inline void writeq(u64 val, void __iomem *addr)
1988 {
1989         writel(((u32) (val >> 32)), addr);
1990         writel(((u32) (val)), (addr + 4));
1991 }
1992 #endif
1993 
1994 #endif /* _IPR_H */
1995