xref: /openbmc/linux/drivers/scsi/ipr.h (revision b593bce5)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * ipr.h -- driver for IBM Power Linux RAID adapters
4  *
5  * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
6  *
7  * Copyright (C) 2003, 2004 IBM Corporation
8  *
9  * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
10  *				that broke 64bit platforms.
11  */
12 
13 #ifndef _IPR_H
14 #define _IPR_H
15 
16 #include <asm/unaligned.h>
17 #include <linux/types.h>
18 #include <linux/completion.h>
19 #include <linux/libata.h>
20 #include <linux/list.h>
21 #include <linux/kref.h>
22 #include <linux/irq_poll.h>
23 #include <scsi/scsi.h>
24 #include <scsi/scsi_cmnd.h>
25 
26 /*
27  * Literals
28  */
29 #define IPR_DRIVER_VERSION "2.6.4"
30 #define IPR_DRIVER_DATE "(March 14, 2017)"
31 
32 /*
33  * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
34  *	ops per device for devices not running tagged command queuing.
35  *	This can be adjusted at runtime through sysfs device attributes.
36  */
37 #define IPR_MAX_CMD_PER_LUN				6
38 #define IPR_MAX_CMD_PER_ATA_LUN			1
39 
40 /*
41  * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
42  *	ops the mid-layer can send to the adapter.
43  */
44 #define IPR_NUM_BASE_CMD_BLKS			(ioa_cfg->max_cmds)
45 
46 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E	0x0339
47 
48 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2          0x033D
49 #define PCI_DEVICE_ID_IBM_CROCODILE             0x034A
50 #define PCI_DEVICE_ID_IBM_RATTLESNAKE		0x04DA
51 
52 #define IPR_SUBS_DEV_ID_2780	0x0264
53 #define IPR_SUBS_DEV_ID_5702	0x0266
54 #define IPR_SUBS_DEV_ID_5703	0x0278
55 #define IPR_SUBS_DEV_ID_572E	0x028D
56 #define IPR_SUBS_DEV_ID_573E	0x02D3
57 #define IPR_SUBS_DEV_ID_573D	0x02D4
58 #define IPR_SUBS_DEV_ID_571A	0x02C0
59 #define IPR_SUBS_DEV_ID_571B	0x02BE
60 #define IPR_SUBS_DEV_ID_571E	0x02BF
61 #define IPR_SUBS_DEV_ID_571F	0x02D5
62 #define IPR_SUBS_DEV_ID_572A	0x02C1
63 #define IPR_SUBS_DEV_ID_572B	0x02C2
64 #define IPR_SUBS_DEV_ID_572F	0x02C3
65 #define IPR_SUBS_DEV_ID_574E	0x030A
66 #define IPR_SUBS_DEV_ID_575B	0x030D
67 #define IPR_SUBS_DEV_ID_575C	0x0338
68 #define IPR_SUBS_DEV_ID_57B3	0x033A
69 #define IPR_SUBS_DEV_ID_57B7	0x0360
70 #define IPR_SUBS_DEV_ID_57B8	0x02C2
71 
72 #define IPR_SUBS_DEV_ID_57B4    0x033B
73 #define IPR_SUBS_DEV_ID_57B2    0x035F
74 #define IPR_SUBS_DEV_ID_57C0    0x0352
75 #define IPR_SUBS_DEV_ID_57C3    0x0353
76 #define IPR_SUBS_DEV_ID_57C4    0x0354
77 #define IPR_SUBS_DEV_ID_57C6    0x0357
78 #define IPR_SUBS_DEV_ID_57CC    0x035C
79 
80 #define IPR_SUBS_DEV_ID_57B5    0x033C
81 #define IPR_SUBS_DEV_ID_57CE    0x035E
82 #define IPR_SUBS_DEV_ID_57B1    0x0355
83 
84 #define IPR_SUBS_DEV_ID_574D    0x0356
85 #define IPR_SUBS_DEV_ID_57C8    0x035D
86 
87 #define IPR_SUBS_DEV_ID_57D5    0x03FB
88 #define IPR_SUBS_DEV_ID_57D6    0x03FC
89 #define IPR_SUBS_DEV_ID_57D7    0x03FF
90 #define IPR_SUBS_DEV_ID_57D8    0x03FE
91 #define IPR_SUBS_DEV_ID_57D9    0x046D
92 #define IPR_SUBS_DEV_ID_57DA    0x04CA
93 #define IPR_SUBS_DEV_ID_57EB    0x0474
94 #define IPR_SUBS_DEV_ID_57EC    0x0475
95 #define IPR_SUBS_DEV_ID_57ED    0x0499
96 #define IPR_SUBS_DEV_ID_57EE    0x049A
97 #define IPR_SUBS_DEV_ID_57EF    0x049B
98 #define IPR_SUBS_DEV_ID_57F0    0x049C
99 #define IPR_SUBS_DEV_ID_2CCA	0x04C7
100 #define IPR_SUBS_DEV_ID_2CD2	0x04C8
101 #define IPR_SUBS_DEV_ID_2CCD	0x04C9
102 #define IPR_SUBS_DEV_ID_580A	0x04FC
103 #define IPR_SUBS_DEV_ID_580B	0x04FB
104 #define IPR_NAME				"ipr"
105 
106 /*
107  * Return codes
108  */
109 #define IPR_RC_JOB_CONTINUE		1
110 #define IPR_RC_JOB_RETURN		2
111 
112 /*
113  * IOASCs
114  */
115 #define IPR_IOASC_NR_INIT_CMD_REQUIRED		0x02040200
116 #define IPR_IOASC_NR_IOA_RESET_REQUIRED		0x02048000
117 #define IPR_IOASC_SYNC_REQUIRED			0x023f0000
118 #define IPR_IOASC_MED_DO_NOT_REALLOC		0x03110C00
119 #define IPR_IOASC_HW_SEL_TIMEOUT			0x04050000
120 #define IPR_IOASC_HW_DEV_BUS_STATUS			0x04448500
121 #define	IPR_IOASC_IOASC_MASK			0xFFFFFF00
122 #define	IPR_IOASC_SCSI_STATUS_MASK		0x000000FF
123 #define IPR_IOASC_HW_CMD_FAILED			0x046E0000
124 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000
125 #define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000
126 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100
127 #define IPR_IOASA_IR_DUAL_IOA_DISABLED		0x052C8000
128 #define IPR_IOASC_BUS_WAS_RESET			0x06290000
129 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER		0x06298000
130 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST	0x0B5A0000
131 #define IPR_IOASC_IR_NON_OPTIMIZED		0x05258200
132 
133 #define IPR_FIRST_DRIVER_IOASC			0x10000000
134 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
135 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
136 
137 /* Driver data flags */
138 #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
139 #define IPR_USE_PCI_WARM_RESET			0x00000002
140 
141 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
142 #define IPR_NUM_LOG_HCAMS				2
143 #define IPR_NUM_CFG_CHG_HCAMS				2
144 #define IPR_NUM_HCAM_QUEUE				12
145 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
146 #define IPR_MAX_HCAMS	(IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
147 
148 #define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
149 #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
150 
151 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
152 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
153 #define IPR_VSET_BUS					0xff
154 #define IPR_IOA_BUS						0xff
155 #define IPR_IOA_TARGET					0xff
156 #define IPR_IOA_LUN						0xff
157 #define IPR_MAX_NUM_BUSES				16
158 
159 #define IPR_NUM_RESET_RELOAD_RETRIES		3
160 
161 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
162 #define IPR_NUM_INTERNAL_CMD_BLKS	(IPR_NUM_HCAMS + \
163                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
164 
165 #define IPR_MAX_COMMANDS		100
166 #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
167 						IPR_NUM_INTERNAL_CMD_BLKS)
168 
169 #define IPR_MAX_PHYSICAL_DEVS				192
170 #define IPR_DEFAULT_SIS64_DEVS				1024
171 #define IPR_MAX_SIS64_DEVS				4096
172 
173 #define IPR_MAX_SGLIST					64
174 #define IPR_IOA_MAX_SECTORS				32767
175 #define IPR_VSET_MAX_SECTORS				512
176 #define IPR_MAX_CDB_LEN					16
177 #define IPR_MAX_HRRQ_RETRIES				3
178 
179 #define IPR_DEFAULT_BUS_WIDTH				16
180 #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
181 #define IPR_U160_SCSI_RATE	((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
182 #define IPR_U320_SCSI_RATE	((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
183 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
184 
185 #define IPR_IOA_RES_HANDLE				0xffffffff
186 #define IPR_INVALID_RES_HANDLE			0
187 #define IPR_IOA_RES_ADDR				0x00ffffff
188 
189 /*
190  * Adapter Commands
191  */
192 #define IPR_CANCEL_REQUEST				0xC0
193 #define	IPR_CANCEL_64BIT_IOARCB			0x01
194 #define IPR_QUERY_RSRC_STATE				0xC2
195 #define IPR_RESET_DEVICE				0xC3
196 #define	IPR_RESET_TYPE_SELECT				0x80
197 #define	IPR_LUN_RESET					0x40
198 #define	IPR_TARGET_RESET					0x20
199 #define	IPR_BUS_RESET					0x10
200 #define	IPR_ATA_PHY_RESET					0x80
201 #define IPR_ID_HOST_RR_Q				0xC4
202 #define IPR_QUERY_IOA_CONFIG				0xC5
203 #define IPR_CANCEL_ALL_REQUESTS			0xCE
204 #define IPR_HOST_CONTROLLED_ASYNC			0xCF
205 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
206 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
207 #define IPR_SET_SUPPORTED_DEVICES			0xFB
208 #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
209 #define IPR_IOA_SHUTDOWN				0xF7
210 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
211 #define IPR_IOA_SERVICE_ACTION				0xD2
212 
213 /* IOA Service Actions */
214 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS			0x14
215 
216 /*
217  * Timeouts
218  */
219 #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
220 #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
221 #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)
222 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)
223 #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
224 #define IPR_CANCEL_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                 30
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_MAILBOX_STABLE				(0x80000000 >> 4)
279 #define IPR_WAIT_FOR_MAILBOX				(2 * HZ)
280 
281 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
282 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
283 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
284 #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
285 #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
286 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
287 #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
288 #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
289 #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
290 #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
291 #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
292 
293 #define IPR_PCII_ERROR_INTERRUPTS \
294 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
295 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
296 
297 #define IPR_PCII_OPER_INTERRUPTS \
298 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
299 
300 #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
301 #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)
302 #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)
303 
304 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
305 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
306 
307 /*
308  * Dump literals
309  */
310 #define IPR_FMT2_MAX_IOA_DUMP_SIZE			(4 * 1024 * 1024)
311 #define IPR_FMT3_MAX_IOA_DUMP_SIZE			(80 * 1024 * 1024)
312 #define IPR_FMT2_NUM_SDT_ENTRIES			511
313 #define IPR_FMT3_NUM_SDT_ENTRIES			0xFFF
314 #define IPR_FMT2_MAX_NUM_DUMP_PAGES	((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
315 #define IPR_FMT3_MAX_NUM_DUMP_PAGES	((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
316 
317 /*
318  * Misc literals
319  */
320 #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
321 #define IPR_MAX_MSIX_VECTORS		0x10
322 #define IPR_MAX_HRRQ_NUM		0x10
323 #define IPR_INIT_HRRQ			0x0
324 
325 /*
326  * Adapter interface types
327  */
328 
329 struct ipr_res_addr {
330 	u8 reserved;
331 	u8 bus;
332 	u8 target;
333 	u8 lun;
334 #define IPR_GET_PHYS_LOC(res_addr) \
335 	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
336 }__attribute__((packed, aligned (4)));
337 
338 struct ipr_std_inq_vpids {
339 	u8 vendor_id[IPR_VENDOR_ID_LEN];
340 	u8 product_id[IPR_PROD_ID_LEN];
341 }__attribute__((packed));
342 
343 struct ipr_vpd {
344 	struct ipr_std_inq_vpids vpids;
345 	u8 sn[IPR_SERIAL_NUM_LEN];
346 }__attribute__((packed));
347 
348 struct ipr_ext_vpd {
349 	struct ipr_vpd vpd;
350 	__be32 wwid[2];
351 }__attribute__((packed));
352 
353 struct ipr_ext_vpd64 {
354 	struct ipr_vpd vpd;
355 	__be32 wwid[4];
356 }__attribute__((packed));
357 
358 struct ipr_std_inq_data {
359 	u8 peri_qual_dev_type;
360 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
361 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
362 
363 	u8 removeable_medium_rsvd;
364 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
365 
366 #define IPR_IS_DASD_DEVICE(std_inq) \
367 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
368 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
369 
370 #define IPR_IS_SES_DEVICE(std_inq) \
371 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
372 
373 	u8 version;
374 	u8 aen_naca_fmt;
375 	u8 additional_len;
376 	u8 sccs_rsvd;
377 	u8 bq_enc_multi;
378 	u8 sync_cmdq_flags;
379 
380 	struct ipr_std_inq_vpids vpids;
381 
382 	u8 ros_rsvd_ram_rsvd[4];
383 
384 	u8 serial_num[IPR_SERIAL_NUM_LEN];
385 }__attribute__ ((packed));
386 
387 #define IPR_RES_TYPE_AF_DASD		0x00
388 #define IPR_RES_TYPE_GENERIC_SCSI	0x01
389 #define IPR_RES_TYPE_VOLUME_SET		0x02
390 #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
391 #define IPR_RES_TYPE_GENERIC_ATA	0x04
392 #define IPR_RES_TYPE_ARRAY		0x05
393 #define IPR_RES_TYPE_IOAFP		0xff
394 
395 struct ipr_config_table_entry {
396 	u8 proto;
397 #define IPR_PROTO_SATA			0x02
398 #define IPR_PROTO_SATA_ATAPI		0x03
399 #define IPR_PROTO_SAS_STP		0x06
400 #define IPR_PROTO_SAS_STP_ATAPI		0x07
401 	u8 array_id;
402 	u8 flags;
403 #define IPR_IS_IOA_RESOURCE		0x80
404 	u8 rsvd_subtype;
405 
406 #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
407 #define IPR_QUEUE_FROZEN_MODEL		0
408 #define IPR_QUEUE_NACA_MODEL		1
409 
410 	struct ipr_res_addr res_addr;
411 	__be32 res_handle;
412 	__be32 lun_wwn[2];
413 	struct ipr_std_inq_data std_inq_data;
414 }__attribute__ ((packed, aligned (4)));
415 
416 struct ipr_config_table_entry64 {
417 	u8 res_type;
418 	u8 proto;
419 	u8 vset_num;
420 	u8 array_id;
421 	__be16 flags;
422 	__be16 res_flags;
423 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
424 	__be32 res_handle;
425 	u8 dev_id_type;
426 	u8 reserved[3];
427 	__be64 dev_id;
428 	__be64 lun;
429 	__be64 lun_wwn[2];
430 #define IPR_MAX_RES_PATH_LENGTH		48
431 	__be64 res_path;
432 	struct ipr_std_inq_data std_inq_data;
433 	u8 reserved2[4];
434 	__be64 reserved3[2];
435 	u8 reserved4[8];
436 }__attribute__ ((packed, aligned (8)));
437 
438 struct ipr_config_table_hdr {
439 	u8 num_entries;
440 	u8 flags;
441 #define IPR_UCODE_DOWNLOAD_REQ	0x10
442 	__be16 reserved;
443 }__attribute__((packed, aligned (4)));
444 
445 struct ipr_config_table_hdr64 {
446 	__be16 num_entries;
447 	__be16 reserved;
448 	u8 flags;
449 	u8 reserved2[11];
450 }__attribute__((packed, aligned (4)));
451 
452 struct ipr_config_table {
453 	struct ipr_config_table_hdr hdr;
454 	struct ipr_config_table_entry dev[0];
455 }__attribute__((packed, aligned (4)));
456 
457 struct ipr_config_table64 {
458 	struct ipr_config_table_hdr64 hdr64;
459 	struct ipr_config_table_entry64 dev[0];
460 }__attribute__((packed, aligned (8)));
461 
462 struct ipr_config_table_entry_wrapper {
463 	union {
464 		struct ipr_config_table_entry *cfgte;
465 		struct ipr_config_table_entry64 *cfgte64;
466 	} u;
467 };
468 
469 struct ipr_hostrcb_cfg_ch_not {
470 	union {
471 		struct ipr_config_table_entry cfgte;
472 		struct ipr_config_table_entry64 cfgte64;
473 	} u;
474 	u8 reserved[936];
475 }__attribute__((packed, aligned (4)));
476 
477 struct ipr_supported_device {
478 	__be16 data_length;
479 	u8 reserved;
480 	u8 num_records;
481 	struct ipr_std_inq_vpids vpids;
482 	u8 reserved2[16];
483 }__attribute__((packed, aligned (4)));
484 
485 struct ipr_hrr_queue {
486 	struct ipr_ioa_cfg *ioa_cfg;
487 	__be32 *host_rrq;
488 	dma_addr_t host_rrq_dma;
489 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
490 #define IPR_HRRQ_RESP_BIT_SET		0x00000002
491 #define IPR_HRRQ_TOGGLE_BIT		0x00000001
492 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
493 #define IPR_ID_HRRQ_SELE_ENABLE		0x02
494 	volatile __be32 *hrrq_start;
495 	volatile __be32 *hrrq_end;
496 	volatile __be32 *hrrq_curr;
497 
498 	struct list_head hrrq_free_q;
499 	struct list_head hrrq_pending_q;
500 	spinlock_t _lock;
501 	spinlock_t *lock;
502 
503 	volatile u32 toggle_bit;
504 	u32 size;
505 	u32 min_cmd_id;
506 	u32 max_cmd_id;
507 	u8 allow_interrupts:1;
508 	u8 ioa_is_dead:1;
509 	u8 allow_cmds:1;
510 	u8 removing_ioa:1;
511 
512 	struct irq_poll iopoll;
513 };
514 
515 /* Command packet structure */
516 struct ipr_cmd_pkt {
517 	u8 reserved;		/* Reserved by IOA */
518 	u8 hrrq_id;
519 	u8 request_type;
520 #define IPR_RQTYPE_SCSICDB		0x00
521 #define IPR_RQTYPE_IOACMD		0x01
522 #define IPR_RQTYPE_HCAM			0x02
523 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
524 #define IPR_RQTYPE_PIPE			0x05
525 
526 	u8 reserved2;
527 
528 	u8 flags_hi;
529 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
530 #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
531 #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
532 #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
533 #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
534 
535 	u8 flags_lo;
536 #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
537 #define IPR_FLAGS_LO_DELAY_AFTER_RST		0x10
538 #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
539 #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
540 #define IPR_FLAGS_LO_ORDERED_TASK		0x04
541 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
542 #define IPR_FLAGS_LO_ACA_TASK			0x08
543 
544 	u8 cdb[16];
545 	__be16 timeout;
546 }__attribute__ ((packed, aligned(4)));
547 
548 struct ipr_ioarcb_ata_regs {	/* 22 bytes */
549 	u8 flags;
550 #define IPR_ATA_FLAG_PACKET_CMD			0x80
551 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
552 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
553 	u8 reserved[3];
554 
555 	__be16 data;
556 	u8 feature;
557 	u8 nsect;
558 	u8 lbal;
559 	u8 lbam;
560 	u8 lbah;
561 	u8 device;
562 	u8 command;
563 	u8 reserved2[3];
564 	u8 hob_feature;
565 	u8 hob_nsect;
566 	u8 hob_lbal;
567 	u8 hob_lbam;
568 	u8 hob_lbah;
569 	u8 ctl;
570 }__attribute__ ((packed, aligned(2)));
571 
572 struct ipr_ioadl_desc {
573 	__be32 flags_and_data_len;
574 #define IPR_IOADL_FLAGS_MASK		0xff000000
575 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
576 #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
577 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
578 #define IPR_IOADL_FLAGS_READ		0x48000000
579 #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
580 #define IPR_IOADL_FLAGS_WRITE		0x68000000
581 #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
582 #define IPR_IOADL_FLAGS_LAST		0x01000000
583 
584 	__be32 address;
585 }__attribute__((packed, aligned (8)));
586 
587 struct ipr_ioadl64_desc {
588 	__be32 flags;
589 	__be32 data_len;
590 	__be64 address;
591 }__attribute__((packed, aligned (16)));
592 
593 struct ipr_ata64_ioadl {
594 	struct ipr_ioarcb_ata_regs regs;
595 	u16 reserved[5];
596 	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
597 }__attribute__((packed, aligned (16)));
598 
599 struct ipr_ioarcb_add_data {
600 	union {
601 		struct ipr_ioarcb_ata_regs regs;
602 		struct ipr_ioadl_desc ioadl[5];
603 		__be32 add_cmd_parms[10];
604 	} u;
605 }__attribute__ ((packed, aligned (4)));
606 
607 struct ipr_ioarcb_sis64_add_addr_ecb {
608 	__be64 ioasa_host_pci_addr;
609 	__be64 data_ioadl_addr;
610 	__be64 reserved;
611 	__be32 ext_control_buf[4];
612 }__attribute__((packed, aligned (8)));
613 
614 /* IOA Request Control Block    128 bytes  */
615 struct ipr_ioarcb {
616 	union {
617 		__be32 ioarcb_host_pci_addr;
618 		__be64 ioarcb_host_pci_addr64;
619 	} a;
620 	__be32 res_handle;
621 	__be32 host_response_handle;
622 	__be32 reserved1;
623 	__be32 reserved2;
624 	__be32 reserved3;
625 
626 	__be32 data_transfer_length;
627 	__be32 read_data_transfer_length;
628 	__be32 write_ioadl_addr;
629 	__be32 ioadl_len;
630 	__be32 read_ioadl_addr;
631 	__be32 read_ioadl_len;
632 
633 	__be32 ioasa_host_pci_addr;
634 	__be16 ioasa_len;
635 	__be16 reserved4;
636 
637 	struct ipr_cmd_pkt cmd_pkt;
638 
639 	__be16 add_cmd_parms_offset;
640 	__be16 add_cmd_parms_len;
641 
642 	union {
643 		struct ipr_ioarcb_add_data add_data;
644 		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
645 	} u;
646 
647 }__attribute__((packed, aligned (4)));
648 
649 struct ipr_ioasa_vset {
650 	__be32 failing_lba_hi;
651 	__be32 failing_lba_lo;
652 	__be32 reserved;
653 }__attribute__((packed, aligned (4)));
654 
655 struct ipr_ioasa_af_dasd {
656 	__be32 failing_lba;
657 	__be32 reserved[2];
658 }__attribute__((packed, aligned (4)));
659 
660 struct ipr_ioasa_gpdd {
661 	u8 end_state;
662 	u8 bus_phase;
663 	__be16 reserved;
664 	__be32 ioa_data[2];
665 }__attribute__((packed, aligned (4)));
666 
667 struct ipr_ioasa_gata {
668 	u8 error;
669 	u8 nsect;		/* Interrupt reason */
670 	u8 lbal;
671 	u8 lbam;
672 	u8 lbah;
673 	u8 device;
674 	u8 status;
675 	u8 alt_status;	/* ATA CTL */
676 	u8 hob_nsect;
677 	u8 hob_lbal;
678 	u8 hob_lbam;
679 	u8 hob_lbah;
680 }__attribute__((packed, aligned (4)));
681 
682 struct ipr_auto_sense {
683 	__be16 auto_sense_len;
684 	__be16 ioa_data_len;
685 	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
686 };
687 
688 struct ipr_ioasa_hdr {
689 	__be32 ioasc;
690 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
691 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
692 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
693 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
694 
695 	__be16 ret_stat_len;	/* Length of the returned IOASA */
696 
697 	__be16 avail_stat_len;	/* Total Length of status available. */
698 
699 	__be32 residual_data_len;	/* number of bytes in the host data */
700 	/* buffers that were not used by the IOARCB command. */
701 
702 	__be32 ilid;
703 #define IPR_NO_ILID			0
704 #define IPR_DRIVER_ILID		0xffffffff
705 
706 	__be32 fd_ioasc;
707 
708 	__be32 fd_phys_locator;
709 
710 	__be32 fd_res_handle;
711 
712 	__be32 ioasc_specific;	/* status code specific field */
713 #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
714 #define IPR_AUTOSENSE_VALID			0x40000000
715 #define IPR_ATA_DEVICE_WAS_RESET		0x20000000
716 #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
717 #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
718 #define IPR_FIELD_POINTER_MASK		0x0000ffff
719 
720 }__attribute__((packed, aligned (4)));
721 
722 struct ipr_ioasa {
723 	struct ipr_ioasa_hdr hdr;
724 
725 	union {
726 		struct ipr_ioasa_vset vset;
727 		struct ipr_ioasa_af_dasd dasd;
728 		struct ipr_ioasa_gpdd gpdd;
729 		struct ipr_ioasa_gata gata;
730 	} u;
731 
732 	struct ipr_auto_sense auto_sense;
733 }__attribute__((packed, aligned (4)));
734 
735 struct ipr_ioasa64 {
736 	struct ipr_ioasa_hdr hdr;
737 	u8 fd_res_path[8];
738 
739 	union {
740 		struct ipr_ioasa_vset vset;
741 		struct ipr_ioasa_af_dasd dasd;
742 		struct ipr_ioasa_gpdd gpdd;
743 		struct ipr_ioasa_gata gata;
744 	} u;
745 
746 	struct ipr_auto_sense auto_sense;
747 }__attribute__((packed, aligned (4)));
748 
749 struct ipr_mode_parm_hdr {
750 	u8 length;
751 	u8 medium_type;
752 	u8 device_spec_parms;
753 	u8 block_desc_len;
754 }__attribute__((packed));
755 
756 struct ipr_mode_pages {
757 	struct ipr_mode_parm_hdr hdr;
758 	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
759 }__attribute__((packed));
760 
761 struct ipr_mode_page_hdr {
762 	u8 ps_page_code;
763 #define IPR_MODE_PAGE_PS	0x80
764 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
765 	u8 page_length;
766 }__attribute__ ((packed));
767 
768 struct ipr_dev_bus_entry {
769 	struct ipr_res_addr res_addr;
770 	u8 flags;
771 #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
772 #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
773 #define IPR_SCSI_ATTR_QAS_MASK				0xC0
774 #define IPR_SCSI_ATTR_ENABLE_TM				0x20
775 #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
776 #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
777 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
778 
779 	u8 scsi_id;
780 	u8 bus_width;
781 	u8 extended_reset_delay;
782 #define IPR_EXTENDED_RESET_DELAY	7
783 
784 	__be32 max_xfer_rate;
785 
786 	u8 spinup_delay;
787 	u8 reserved3;
788 	__be16 reserved4;
789 }__attribute__((packed, aligned (4)));
790 
791 struct ipr_mode_page28 {
792 	struct ipr_mode_page_hdr hdr;
793 	u8 num_entries;
794 	u8 entry_length;
795 	struct ipr_dev_bus_entry bus[0];
796 }__attribute__((packed));
797 
798 struct ipr_mode_page24 {
799 	struct ipr_mode_page_hdr hdr;
800 	u8 flags;
801 #define IPR_ENABLE_DUAL_IOA_AF 0x80
802 }__attribute__((packed));
803 
804 struct ipr_ioa_vpd {
805 	struct ipr_std_inq_data std_inq_data;
806 	u8 ascii_part_num[12];
807 	u8 reserved[40];
808 	u8 ascii_plant_code[4];
809 }__attribute__((packed));
810 
811 struct ipr_inquiry_page3 {
812 	u8 peri_qual_dev_type;
813 	u8 page_code;
814 	u8 reserved1;
815 	u8 page_length;
816 	u8 ascii_len;
817 	u8 reserved2[3];
818 	u8 load_id[4];
819 	u8 major_release;
820 	u8 card_type;
821 	u8 minor_release[2];
822 	u8 ptf_number[4];
823 	u8 patch_number[4];
824 }__attribute__((packed));
825 
826 struct ipr_inquiry_cap {
827 	u8 peri_qual_dev_type;
828 	u8 page_code;
829 	u8 reserved1;
830 	u8 page_length;
831 	u8 ascii_len;
832 	u8 reserved2;
833 	u8 sis_version[2];
834 	u8 cap;
835 #define IPR_CAP_DUAL_IOA_RAID		0x80
836 	u8 reserved3[15];
837 }__attribute__((packed));
838 
839 #define IPR_INQUIRY_PAGE0_ENTRIES 20
840 struct ipr_inquiry_page0 {
841 	u8 peri_qual_dev_type;
842 	u8 page_code;
843 	u8 reserved1;
844 	u8 len;
845 	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
846 }__attribute__((packed));
847 
848 struct ipr_inquiry_pageC4 {
849 	u8 peri_qual_dev_type;
850 	u8 page_code;
851 	u8 reserved1;
852 	u8 len;
853 	u8 cache_cap[4];
854 #define IPR_CAP_SYNC_CACHE		0x08
855 	u8 reserved2[20];
856 } __packed;
857 
858 struct ipr_hostrcb_device_data_entry {
859 	struct ipr_vpd vpd;
860 	struct ipr_res_addr dev_res_addr;
861 	struct ipr_vpd new_vpd;
862 	struct ipr_vpd ioa_last_with_dev_vpd;
863 	struct ipr_vpd cfc_last_with_dev_vpd;
864 	__be32 ioa_data[5];
865 }__attribute__((packed, aligned (4)));
866 
867 struct ipr_hostrcb_device_data_entry_enhanced {
868 	struct ipr_ext_vpd vpd;
869 	u8 ccin[4];
870 	struct ipr_res_addr dev_res_addr;
871 	struct ipr_ext_vpd new_vpd;
872 	u8 new_ccin[4];
873 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
874 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
875 }__attribute__((packed, aligned (4)));
876 
877 struct ipr_hostrcb64_device_data_entry_enhanced {
878 	struct ipr_ext_vpd vpd;
879 	u8 ccin[4];
880 	u8 res_path[8];
881 	struct ipr_ext_vpd new_vpd;
882 	u8 new_ccin[4];
883 	struct ipr_ext_vpd ioa_last_with_dev_vpd;
884 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
885 }__attribute__((packed, aligned (4)));
886 
887 struct ipr_hostrcb_array_data_entry {
888 	struct ipr_vpd vpd;
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_hostrcb64_array_data_entry {
894 	struct ipr_ext_vpd vpd;
895 	u8 ccin[4];
896 	u8 expected_res_path[8];
897 	u8 res_path[8];
898 }__attribute__((packed, aligned (4)));
899 
900 struct ipr_hostrcb_array_data_entry_enhanced {
901 	struct ipr_ext_vpd vpd;
902 	u8 ccin[4];
903 	struct ipr_res_addr expected_dev_res_addr;
904 	struct ipr_res_addr dev_res_addr;
905 }__attribute__((packed, aligned (4)));
906 
907 struct ipr_hostrcb_type_ff_error {
908 	__be32 ioa_data[758];
909 }__attribute__((packed, aligned (4)));
910 
911 struct ipr_hostrcb_type_01_error {
912 	__be32 seek_counter;
913 	__be32 read_counter;
914 	u8 sense_data[32];
915 	__be32 ioa_data[236];
916 }__attribute__((packed, aligned (4)));
917 
918 struct ipr_hostrcb_type_21_error {
919 	__be32 wwn[4];
920 	u8 res_path[8];
921 	u8 primary_problem_desc[32];
922 	u8 second_problem_desc[32];
923 	__be32 sense_data[8];
924 	__be32 cdb[4];
925 	__be32 residual_trans_length;
926 	__be32 length_of_error;
927 	__be32 ioa_data[236];
928 }__attribute__((packed, aligned (4)));
929 
930 struct ipr_hostrcb_type_02_error {
931 	struct ipr_vpd ioa_vpd;
932 	struct ipr_vpd cfc_vpd;
933 	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
934 	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
935 	__be32 ioa_data[3];
936 }__attribute__((packed, aligned (4)));
937 
938 struct ipr_hostrcb_type_12_error {
939 	struct ipr_ext_vpd ioa_vpd;
940 	struct ipr_ext_vpd cfc_vpd;
941 	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
942 	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
943 	__be32 ioa_data[3];
944 }__attribute__((packed, aligned (4)));
945 
946 struct ipr_hostrcb_type_03_error {
947 	struct ipr_vpd ioa_vpd;
948 	struct ipr_vpd cfc_vpd;
949 	__be32 errors_detected;
950 	__be32 errors_logged;
951 	u8 ioa_data[12];
952 	struct ipr_hostrcb_device_data_entry dev[3];
953 }__attribute__((packed, aligned (4)));
954 
955 struct ipr_hostrcb_type_13_error {
956 	struct ipr_ext_vpd ioa_vpd;
957 	struct ipr_ext_vpd cfc_vpd;
958 	__be32 errors_detected;
959 	__be32 errors_logged;
960 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
961 }__attribute__((packed, aligned (4)));
962 
963 struct ipr_hostrcb_type_23_error {
964 	struct ipr_ext_vpd ioa_vpd;
965 	struct ipr_ext_vpd cfc_vpd;
966 	__be32 errors_detected;
967 	__be32 errors_logged;
968 	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
969 }__attribute__((packed, aligned (4)));
970 
971 struct ipr_hostrcb_type_04_error {
972 	struct ipr_vpd ioa_vpd;
973 	struct ipr_vpd cfc_vpd;
974 	u8 ioa_data[12];
975 	struct ipr_hostrcb_array_data_entry array_member[10];
976 	__be32 exposed_mode_adn;
977 	__be32 array_id;
978 	struct ipr_vpd incomp_dev_vpd;
979 	__be32 ioa_data2;
980 	struct ipr_hostrcb_array_data_entry array_member2[8];
981 	struct ipr_res_addr last_func_vset_res_addr;
982 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
983 	u8 protection_level[8];
984 }__attribute__((packed, aligned (4)));
985 
986 struct ipr_hostrcb_type_14_error {
987 	struct ipr_ext_vpd ioa_vpd;
988 	struct ipr_ext_vpd cfc_vpd;
989 	__be32 exposed_mode_adn;
990 	__be32 array_id;
991 	struct ipr_res_addr last_func_vset_res_addr;
992 	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
993 	u8 protection_level[8];
994 	__be32 num_entries;
995 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
996 }__attribute__((packed, aligned (4)));
997 
998 struct ipr_hostrcb_type_24_error {
999 	struct ipr_ext_vpd ioa_vpd;
1000 	struct ipr_ext_vpd cfc_vpd;
1001 	u8 reserved[2];
1002 	u8 exposed_mode_adn;
1003 #define IPR_INVALID_ARRAY_DEV_NUM		0xff
1004 	u8 array_id;
1005 	u8 last_res_path[8];
1006 	u8 protection_level[8];
1007 	struct ipr_ext_vpd64 array_vpd;
1008 	u8 description[16];
1009 	u8 reserved2[3];
1010 	u8 num_entries;
1011 	struct ipr_hostrcb64_array_data_entry array_member[32];
1012 }__attribute__((packed, aligned (4)));
1013 
1014 struct ipr_hostrcb_type_07_error {
1015 	u8 failure_reason[64];
1016 	struct ipr_vpd vpd;
1017 	__be32 data[222];
1018 }__attribute__((packed, aligned (4)));
1019 
1020 struct ipr_hostrcb_type_17_error {
1021 	u8 failure_reason[64];
1022 	struct ipr_ext_vpd vpd;
1023 	__be32 data[476];
1024 }__attribute__((packed, aligned (4)));
1025 
1026 struct ipr_hostrcb_config_element {
1027 	u8 type_status;
1028 #define IPR_PATH_CFG_TYPE_MASK	0xF0
1029 #define IPR_PATH_CFG_NOT_EXIST	0x00
1030 #define IPR_PATH_CFG_IOA_PORT		0x10
1031 #define IPR_PATH_CFG_EXP_PORT		0x20
1032 #define IPR_PATH_CFG_DEVICE_PORT	0x30
1033 #define IPR_PATH_CFG_DEVICE_LUN	0x40
1034 
1035 #define IPR_PATH_CFG_STATUS_MASK	0x0F
1036 #define IPR_PATH_CFG_NO_PROB		0x00
1037 #define IPR_PATH_CFG_DEGRADED		0x01
1038 #define IPR_PATH_CFG_FAILED		0x02
1039 #define IPR_PATH_CFG_SUSPECT		0x03
1040 #define IPR_PATH_NOT_DETECTED		0x04
1041 #define IPR_PATH_INCORRECT_CONN	0x05
1042 
1043 	u8 cascaded_expander;
1044 	u8 phy;
1045 	u8 link_rate;
1046 #define IPR_PHY_LINK_RATE_MASK	0x0F
1047 
1048 	__be32 wwid[2];
1049 }__attribute__((packed, aligned (4)));
1050 
1051 struct ipr_hostrcb64_config_element {
1052 	__be16 length;
1053 	u8 descriptor_id;
1054 #define IPR_DESCRIPTOR_MASK		0xC0
1055 #define IPR_DESCRIPTOR_SIS64		0x00
1056 
1057 	u8 reserved;
1058 	u8 type_status;
1059 
1060 	u8 reserved2[2];
1061 	u8 link_rate;
1062 
1063 	u8 res_path[8];
1064 	__be32 wwid[2];
1065 }__attribute__((packed, aligned (8)));
1066 
1067 struct ipr_hostrcb_fabric_desc {
1068 	__be16 length;
1069 	u8 ioa_port;
1070 	u8 cascaded_expander;
1071 	u8 phy;
1072 	u8 path_state;
1073 #define IPR_PATH_ACTIVE_MASK		0xC0
1074 #define IPR_PATH_NO_INFO		0x00
1075 #define IPR_PATH_ACTIVE			0x40
1076 #define IPR_PATH_NOT_ACTIVE		0x80
1077 
1078 #define IPR_PATH_STATE_MASK		0x0F
1079 #define IPR_PATH_STATE_NO_INFO	0x00
1080 #define IPR_PATH_HEALTHY		0x01
1081 #define IPR_PATH_DEGRADED		0x02
1082 #define IPR_PATH_FAILED			0x03
1083 
1084 	__be16 num_entries;
1085 	struct ipr_hostrcb_config_element elem[1];
1086 }__attribute__((packed, aligned (4)));
1087 
1088 struct ipr_hostrcb64_fabric_desc {
1089 	__be16 length;
1090 	u8 descriptor_id;
1091 
1092 	u8 reserved[2];
1093 	u8 path_state;
1094 
1095 	u8 reserved2[2];
1096 	u8 res_path[8];
1097 	u8 reserved3[6];
1098 	__be16 num_entries;
1099 	struct ipr_hostrcb64_config_element elem[1];
1100 }__attribute__((packed, aligned (8)));
1101 
1102 #define for_each_hrrq(hrrq, ioa_cfg) \
1103 		for (hrrq = (ioa_cfg)->hrrq; \
1104 			hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1105 
1106 #define for_each_fabric_cfg(fabric, cfg) \
1107 		for (cfg = (fabric)->elem; \
1108 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1109 			cfg++)
1110 
1111 struct ipr_hostrcb_type_20_error {
1112 	u8 failure_reason[64];
1113 	u8 reserved[3];
1114 	u8 num_entries;
1115 	struct ipr_hostrcb_fabric_desc desc[1];
1116 }__attribute__((packed, aligned (4)));
1117 
1118 struct ipr_hostrcb_type_30_error {
1119 	u8 failure_reason[64];
1120 	u8 reserved[3];
1121 	u8 num_entries;
1122 	struct ipr_hostrcb64_fabric_desc desc[1];
1123 }__attribute__((packed, aligned (4)));
1124 
1125 struct ipr_hostrcb_type_41_error {
1126 	u8 failure_reason[64];
1127 	 __be32 data[200];
1128 }__attribute__((packed, aligned (4)));
1129 
1130 struct ipr_hostrcb_error {
1131 	__be32 fd_ioasc;
1132 	struct ipr_res_addr fd_res_addr;
1133 	__be32 fd_res_handle;
1134 	__be32 prc;
1135 	union {
1136 		struct ipr_hostrcb_type_ff_error type_ff_error;
1137 		struct ipr_hostrcb_type_01_error type_01_error;
1138 		struct ipr_hostrcb_type_02_error type_02_error;
1139 		struct ipr_hostrcb_type_03_error type_03_error;
1140 		struct ipr_hostrcb_type_04_error type_04_error;
1141 		struct ipr_hostrcb_type_07_error type_07_error;
1142 		struct ipr_hostrcb_type_12_error type_12_error;
1143 		struct ipr_hostrcb_type_13_error type_13_error;
1144 		struct ipr_hostrcb_type_14_error type_14_error;
1145 		struct ipr_hostrcb_type_17_error type_17_error;
1146 		struct ipr_hostrcb_type_20_error type_20_error;
1147 	} u;
1148 }__attribute__((packed, aligned (4)));
1149 
1150 struct ipr_hostrcb64_error {
1151 	__be32 fd_ioasc;
1152 	__be32 ioa_fw_level;
1153 	__be32 fd_res_handle;
1154 	__be32 prc;
1155 	__be64 fd_dev_id;
1156 	__be64 fd_lun;
1157 	u8 fd_res_path[8];
1158 	__be64 time_stamp;
1159 	u8 reserved[16];
1160 	union {
1161 		struct ipr_hostrcb_type_ff_error type_ff_error;
1162 		struct ipr_hostrcb_type_12_error type_12_error;
1163 		struct ipr_hostrcb_type_17_error type_17_error;
1164 		struct ipr_hostrcb_type_21_error type_21_error;
1165 		struct ipr_hostrcb_type_23_error type_23_error;
1166 		struct ipr_hostrcb_type_24_error type_24_error;
1167 		struct ipr_hostrcb_type_30_error type_30_error;
1168 		struct ipr_hostrcb_type_41_error type_41_error;
1169 	} u;
1170 }__attribute__((packed, aligned (8)));
1171 
1172 struct ipr_hostrcb_raw {
1173 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1174 }__attribute__((packed, aligned (4)));
1175 
1176 struct ipr_hcam {
1177 	u8 op_code;
1178 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
1179 #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
1180 
1181 	u8 notify_type;
1182 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
1183 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
1184 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
1185 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
1186 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
1187 
1188 	u8 notifications_lost;
1189 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
1190 #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
1191 
1192 	u8 flags;
1193 #define IPR_HOSTRCB_INTERNAL_OPER	0x80
1194 #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
1195 
1196 	u8 overlay_id;
1197 #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
1198 #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
1199 #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
1200 #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
1201 #define IPR_HOST_RCB_OVERLAY_ID_6				0x06
1202 #define IPR_HOST_RCB_OVERLAY_ID_7				0x07
1203 #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
1204 #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
1205 #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
1206 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
1207 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
1208 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
1209 #define IPR_HOST_RCB_OVERLAY_ID_21				0x21
1210 #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
1211 #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
1212 #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
1213 #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
1214 #define IPR_HOST_RCB_OVERLAY_ID_41				0x41
1215 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
1216 
1217 	u8 reserved1[3];
1218 	__be32 ilid;
1219 	__be32 time_since_last_ioa_reset;
1220 	__be32 reserved2;
1221 	__be32 length;
1222 
1223 	union {
1224 		struct ipr_hostrcb_error error;
1225 		struct ipr_hostrcb64_error error64;
1226 		struct ipr_hostrcb_cfg_ch_not ccn;
1227 		struct ipr_hostrcb_raw raw;
1228 	} u;
1229 }__attribute__((packed, aligned (4)));
1230 
1231 struct ipr_hostrcb {
1232 	struct ipr_hcam hcam;
1233 	dma_addr_t hostrcb_dma;
1234 	struct list_head queue;
1235 	struct ipr_ioa_cfg *ioa_cfg;
1236 	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1237 };
1238 
1239 /* IPR smart dump table structures */
1240 struct ipr_sdt_entry {
1241 	__be32 start_token;
1242 	__be32 end_token;
1243 	u8 reserved[4];
1244 
1245 	u8 flags;
1246 #define IPR_SDT_ENDIAN		0x80
1247 #define IPR_SDT_VALID_ENTRY	0x20
1248 
1249 	u8 resv;
1250 	__be16 priority;
1251 }__attribute__((packed, aligned (4)));
1252 
1253 struct ipr_sdt_header {
1254 	__be32 state;
1255 	__be32 num_entries;
1256 	__be32 num_entries_used;
1257 	__be32 dump_size;
1258 }__attribute__((packed, aligned (4)));
1259 
1260 struct ipr_sdt {
1261 	struct ipr_sdt_header hdr;
1262 	struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1263 }__attribute__((packed, aligned (4)));
1264 
1265 struct ipr_uc_sdt {
1266 	struct ipr_sdt_header hdr;
1267 	struct ipr_sdt_entry entry[1];
1268 }__attribute__((packed, aligned (4)));
1269 
1270 /*
1271  * Driver types
1272  */
1273 struct ipr_bus_attributes {
1274 	u8 bus;
1275 	u8 qas_enabled;
1276 	u8 bus_width;
1277 	u8 reserved;
1278 	u32 max_xfer_rate;
1279 };
1280 
1281 struct ipr_sata_port {
1282 	struct ipr_ioa_cfg *ioa_cfg;
1283 	struct ata_port *ap;
1284 	struct ipr_resource_entry *res;
1285 	struct ipr_ioasa_gata ioasa;
1286 };
1287 
1288 struct ipr_resource_entry {
1289 	u8 needs_sync_complete:1;
1290 	u8 in_erp:1;
1291 	u8 add_to_ml:1;
1292 	u8 del_from_ml:1;
1293 	u8 resetting_device:1;
1294 	u8 reset_occurred:1;
1295 	u8 raw_mode:1;
1296 
1297 	u32 bus;		/* AKA channel */
1298 	u32 target;		/* AKA id */
1299 	u32 lun;
1300 #define IPR_ARRAY_VIRTUAL_BUS			0x1
1301 #define IPR_VSET_VIRTUAL_BUS			0x2
1302 #define IPR_IOAFP_VIRTUAL_BUS			0x3
1303 
1304 #define IPR_GET_RES_PHYS_LOC(res) \
1305 	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1306 
1307 	u8 ata_class;
1308 	u8 type;
1309 
1310 	u16 flags;
1311 	u16 res_flags;
1312 
1313 	u8 qmodel;
1314 	struct ipr_std_inq_data std_inq_data;
1315 
1316 	__be32 res_handle;
1317 	__be64 dev_id;
1318 	u64 lun_wwn;
1319 	struct scsi_lun dev_lun;
1320 	u8 res_path[8];
1321 
1322 	struct ipr_ioa_cfg *ioa_cfg;
1323 	struct scsi_device *sdev;
1324 	struct ipr_sata_port *sata_port;
1325 	struct list_head queue;
1326 }; /* struct ipr_resource_entry */
1327 
1328 struct ipr_resource_hdr {
1329 	u16 num_entries;
1330 	u16 reserved;
1331 };
1332 
1333 struct ipr_misc_cbs {
1334 	struct ipr_ioa_vpd ioa_vpd;
1335 	struct ipr_inquiry_page0 page0_data;
1336 	struct ipr_inquiry_page3 page3_data;
1337 	struct ipr_inquiry_cap cap;
1338 	struct ipr_inquiry_pageC4 pageC4_data;
1339 	struct ipr_mode_pages mode_pages;
1340 	struct ipr_supported_device supp_dev;
1341 };
1342 
1343 struct ipr_interrupt_offsets {
1344 	unsigned long set_interrupt_mask_reg;
1345 	unsigned long clr_interrupt_mask_reg;
1346 	unsigned long clr_interrupt_mask_reg32;
1347 	unsigned long sense_interrupt_mask_reg;
1348 	unsigned long sense_interrupt_mask_reg32;
1349 	unsigned long clr_interrupt_reg;
1350 	unsigned long clr_interrupt_reg32;
1351 
1352 	unsigned long sense_interrupt_reg;
1353 	unsigned long sense_interrupt_reg32;
1354 	unsigned long ioarrin_reg;
1355 	unsigned long sense_uproc_interrupt_reg;
1356 	unsigned long sense_uproc_interrupt_reg32;
1357 	unsigned long set_uproc_interrupt_reg;
1358 	unsigned long set_uproc_interrupt_reg32;
1359 	unsigned long clr_uproc_interrupt_reg;
1360 	unsigned long clr_uproc_interrupt_reg32;
1361 
1362 	unsigned long init_feedback_reg;
1363 
1364 	unsigned long dump_addr_reg;
1365 	unsigned long dump_data_reg;
1366 
1367 #define IPR_ENDIAN_SWAP_KEY		0x00080800
1368 	unsigned long endian_swap_reg;
1369 };
1370 
1371 struct ipr_interrupts {
1372 	void __iomem *set_interrupt_mask_reg;
1373 	void __iomem *clr_interrupt_mask_reg;
1374 	void __iomem *clr_interrupt_mask_reg32;
1375 	void __iomem *sense_interrupt_mask_reg;
1376 	void __iomem *sense_interrupt_mask_reg32;
1377 	void __iomem *clr_interrupt_reg;
1378 	void __iomem *clr_interrupt_reg32;
1379 
1380 	void __iomem *sense_interrupt_reg;
1381 	void __iomem *sense_interrupt_reg32;
1382 	void __iomem *ioarrin_reg;
1383 	void __iomem *sense_uproc_interrupt_reg;
1384 	void __iomem *sense_uproc_interrupt_reg32;
1385 	void __iomem *set_uproc_interrupt_reg;
1386 	void __iomem *set_uproc_interrupt_reg32;
1387 	void __iomem *clr_uproc_interrupt_reg;
1388 	void __iomem *clr_uproc_interrupt_reg32;
1389 
1390 	void __iomem *init_feedback_reg;
1391 
1392 	void __iomem *dump_addr_reg;
1393 	void __iomem *dump_data_reg;
1394 
1395 	void __iomem *endian_swap_reg;
1396 };
1397 
1398 struct ipr_chip_cfg_t {
1399 	u32 mailbox;
1400 	u16 max_cmds;
1401 	u8 cache_line_size;
1402 	u8 clear_isr;
1403 	u32 iopoll_weight;
1404 	struct ipr_interrupt_offsets regs;
1405 };
1406 
1407 struct ipr_chip_t {
1408 	u16 vendor;
1409 	u16 device;
1410 	bool has_msi;
1411 	u16 sis_type;
1412 #define IPR_SIS32			0x00
1413 #define IPR_SIS64			0x01
1414 	u16 bist_method;
1415 #define IPR_PCI_CFG			0x00
1416 #define IPR_MMIO			0x01
1417 	const struct ipr_chip_cfg_t *cfg;
1418 };
1419 
1420 enum ipr_shutdown_type {
1421 	IPR_SHUTDOWN_NORMAL = 0x00,
1422 	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1423 	IPR_SHUTDOWN_ABBREV = 0x80,
1424 	IPR_SHUTDOWN_NONE = 0x100,
1425 	IPR_SHUTDOWN_QUIESCE = 0x101,
1426 };
1427 
1428 struct ipr_trace_entry {
1429 	u32 time;
1430 
1431 	u8 op_code;
1432 	u8 ata_op_code;
1433 	u8 type;
1434 #define IPR_TRACE_START			0x00
1435 #define IPR_TRACE_FINISH		0xff
1436 	u8 cmd_index;
1437 
1438 	__be32 res_handle;
1439 	union {
1440 		u32 ioasc;
1441 		u32 add_data;
1442 		u32 res_addr;
1443 	} u;
1444 };
1445 
1446 struct ipr_sglist {
1447 	u32 order;
1448 	u32 num_sg;
1449 	u32 num_dma_sg;
1450 	u32 buffer_len;
1451 	struct scatterlist *scatterlist;
1452 };
1453 
1454 enum ipr_sdt_state {
1455 	INACTIVE,
1456 	WAIT_FOR_DUMP,
1457 	GET_DUMP,
1458 	READ_DUMP,
1459 	ABORT_DUMP,
1460 	DUMP_OBTAINED
1461 };
1462 
1463 /* Per-controller data */
1464 struct ipr_ioa_cfg {
1465 	char eye_catcher[8];
1466 #define IPR_EYECATCHER			"iprcfg"
1467 
1468 	struct list_head queue;
1469 
1470 	u8 in_reset_reload:1;
1471 	u8 in_ioa_bringdown:1;
1472 	u8 ioa_unit_checked:1;
1473 	u8 dump_taken:1;
1474 	u8 scan_enabled:1;
1475 	u8 scan_done:1;
1476 	u8 needs_hard_reset:1;
1477 	u8 dual_raid:1;
1478 	u8 needs_warm_reset:1;
1479 	u8 msi_received:1;
1480 	u8 sis64:1;
1481 	u8 dump_timeout:1;
1482 	u8 cfg_locked:1;
1483 	u8 clear_isr:1;
1484 	u8 probe_done:1;
1485 	u8 scsi_unblock:1;
1486 	u8 scsi_blocked:1;
1487 
1488 	u8 revid;
1489 
1490 	/*
1491 	 * Bitmaps for SIS64 generated target values
1492 	 */
1493 	unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1494 	unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1495 	unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496 
1497 	u16 type; /* CCIN of the card */
1498 
1499 	u8 log_level;
1500 #define IPR_MAX_LOG_LEVEL			4
1501 #define IPR_DEFAULT_LOG_LEVEL		2
1502 #define IPR_DEBUG_LOG_LEVEL		3
1503 
1504 #define IPR_NUM_TRACE_INDEX_BITS	8
1505 #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
1506 #define IPR_TRACE_INDEX_MASK		(IPR_NUM_TRACE_ENTRIES - 1)
1507 #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1508 	char trace_start[8];
1509 #define IPR_TRACE_START_LABEL			"trace"
1510 	struct ipr_trace_entry *trace;
1511 	atomic_t trace_index;
1512 
1513 	char cfg_table_start[8];
1514 #define IPR_CFG_TBL_START		"cfg"
1515 	union {
1516 		struct ipr_config_table *cfg_table;
1517 		struct ipr_config_table64 *cfg_table64;
1518 	} u;
1519 	dma_addr_t cfg_table_dma;
1520 	u32 cfg_table_size;
1521 	u32 max_devs_supported;
1522 
1523 	char resource_table_label[8];
1524 #define IPR_RES_TABLE_LABEL		"res_tbl"
1525 	struct ipr_resource_entry *res_entries;
1526 	struct list_head free_res_q;
1527 	struct list_head used_res_q;
1528 
1529 	char ipr_hcam_label[8];
1530 #define IPR_HCAM_LABEL			"hcams"
1531 	struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1532 	dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1533 	struct list_head hostrcb_free_q;
1534 	struct list_head hostrcb_pending_q;
1535 	struct list_head hostrcb_report_q;
1536 
1537 	struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1538 	u32 hrrq_num;
1539 	atomic_t  hrrq_index;
1540 	u16 identify_hrrq_index;
1541 
1542 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1543 
1544 	unsigned int transop_timeout;
1545 	const struct ipr_chip_cfg_t *chip_cfg;
1546 	const struct ipr_chip_t *ipr_chip;
1547 
1548 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
1549 	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
1550 	void __iomem *ioa_mailbox;
1551 	struct ipr_interrupts regs;
1552 
1553 	u16 saved_pcix_cmd_reg;
1554 	u16 reset_retries;
1555 
1556 	u32 errors_logged;
1557 	u32 doorbell;
1558 
1559 	struct Scsi_Host *host;
1560 	struct pci_dev *pdev;
1561 	struct ipr_sglist *ucode_sglist;
1562 	u8 saved_mode_page_len;
1563 
1564 	struct work_struct work_q;
1565 	struct work_struct scsi_add_work_q;
1566 	struct workqueue_struct *reset_work_q;
1567 
1568 	wait_queue_head_t reset_wait_q;
1569 	wait_queue_head_t msi_wait_q;
1570 	wait_queue_head_t eeh_wait_q;
1571 
1572 	struct ipr_dump *dump;
1573 	enum ipr_sdt_state sdt_state;
1574 
1575 	struct ipr_misc_cbs *vpd_cbs;
1576 	dma_addr_t vpd_cbs_dma;
1577 
1578 	struct dma_pool *ipr_cmd_pool;
1579 
1580 	struct ipr_cmnd *reset_cmd;
1581 	int (*reset) (struct ipr_cmnd *);
1582 
1583 	struct ata_host ata_host;
1584 	char ipr_cmd_label[8];
1585 #define IPR_CMD_LABEL		"ipr_cmd"
1586 	u32 max_cmds;
1587 	struct ipr_cmnd **ipr_cmnd_list;
1588 	dma_addr_t *ipr_cmnd_list_dma;
1589 
1590 	unsigned int nvectors;
1591 
1592 	struct {
1593 		char desc[22];
1594 	} vectors_info[IPR_MAX_MSIX_VECTORS];
1595 
1596 	u32 iopoll_weight;
1597 
1598 }; /* struct ipr_ioa_cfg */
1599 
1600 struct ipr_cmnd {
1601 	struct ipr_ioarcb ioarcb;
1602 	union {
1603 		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1604 		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1605 		struct ipr_ata64_ioadl ata_ioadl;
1606 	} i;
1607 	union {
1608 		struct ipr_ioasa ioasa;
1609 		struct ipr_ioasa64 ioasa64;
1610 	} s;
1611 	struct list_head queue;
1612 	struct scsi_cmnd *scsi_cmd;
1613 	struct ata_queued_cmd *qc;
1614 	struct completion completion;
1615 	struct timer_list timer;
1616 	struct work_struct work;
1617 	void (*fast_done) (struct ipr_cmnd *);
1618 	void (*done) (struct ipr_cmnd *);
1619 	int (*job_step) (struct ipr_cmnd *);
1620 	int (*job_step_failed) (struct ipr_cmnd *);
1621 	u16 cmd_index;
1622 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1623 	dma_addr_t sense_buffer_dma;
1624 	unsigned short dma_use_sg;
1625 	dma_addr_t dma_addr;
1626 	struct ipr_cmnd *sibling;
1627 	union {
1628 		enum ipr_shutdown_type shutdown_type;
1629 		struct ipr_hostrcb *hostrcb;
1630 		unsigned long time_left;
1631 		unsigned long scratch;
1632 		struct ipr_resource_entry *res;
1633 		struct scsi_device *sdev;
1634 	} u;
1635 
1636 	struct completion *eh_comp;
1637 	struct ipr_hrr_queue *hrrq;
1638 	struct ipr_ioa_cfg *ioa_cfg;
1639 };
1640 
1641 struct ipr_ses_table_entry {
1642 	char product_id[17];
1643 	char compare_product_id_byte[17];
1644 	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
1645 };
1646 
1647 struct ipr_dump_header {
1648 	u32 eye_catcher;
1649 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1650 	u32 len;
1651 	u32 num_entries;
1652 	u32 first_entry_offset;
1653 	u32 status;
1654 #define IPR_DUMP_STATUS_SUCCESS			0
1655 #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
1656 #define IPR_DUMP_STATUS_FAILED			0xffffffff
1657 	u32 os;
1658 #define IPR_DUMP_OS_LINUX	0x4C4E5558
1659 	u32 driver_name;
1660 #define IPR_DUMP_DRIVER_NAME	0x49505232
1661 }__attribute__((packed, aligned (4)));
1662 
1663 struct ipr_dump_entry_header {
1664 	u32 eye_catcher;
1665 #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
1666 	u32 len;
1667 	u32 num_elems;
1668 	u32 offset;
1669 	u32 data_type;
1670 #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
1671 #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
1672 	u32 id;
1673 #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
1674 #define IPR_DUMP_LOCATION_ID		0x4C4F4341
1675 #define IPR_DUMP_TRACE_ID		0x54524143
1676 #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
1677 #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
1678 #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
1679 #define IPR_DUMP_PEND_OPS		0x414F5053
1680 	u32 status;
1681 }__attribute__((packed, aligned (4)));
1682 
1683 struct ipr_dump_location_entry {
1684 	struct ipr_dump_entry_header hdr;
1685 	u8 location[20];
1686 }__attribute__((packed));
1687 
1688 struct ipr_dump_trace_entry {
1689 	struct ipr_dump_entry_header hdr;
1690 	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1691 }__attribute__((packed, aligned (4)));
1692 
1693 struct ipr_dump_version_entry {
1694 	struct ipr_dump_entry_header hdr;
1695 	u8 version[sizeof(IPR_DRIVER_VERSION)];
1696 };
1697 
1698 struct ipr_dump_ioa_type_entry {
1699 	struct ipr_dump_entry_header hdr;
1700 	u32 type;
1701 	u32 fw_version;
1702 };
1703 
1704 struct ipr_driver_dump {
1705 	struct ipr_dump_header hdr;
1706 	struct ipr_dump_version_entry version_entry;
1707 	struct ipr_dump_location_entry location_entry;
1708 	struct ipr_dump_ioa_type_entry ioa_type_entry;
1709 	struct ipr_dump_trace_entry trace_entry;
1710 }__attribute__((packed));
1711 
1712 struct ipr_ioa_dump {
1713 	struct ipr_dump_entry_header hdr;
1714 	struct ipr_sdt sdt;
1715 	__be32 **ioa_data;
1716 	u32 reserved;
1717 	u32 next_page_index;
1718 	u32 page_offset;
1719 	u32 format;
1720 }__attribute__((packed, aligned (4)));
1721 
1722 struct ipr_dump {
1723 	struct kref kref;
1724 	struct ipr_ioa_cfg *ioa_cfg;
1725 	struct ipr_driver_dump driver_dump;
1726 	struct ipr_ioa_dump ioa_dump;
1727 };
1728 
1729 struct ipr_error_table_t {
1730 	u32 ioasc;
1731 	int log_ioasa;
1732 	int log_hcam;
1733 	char *error;
1734 };
1735 
1736 struct ipr_software_inq_lid_info {
1737 	__be32 load_id;
1738 	__be32 timestamp[3];
1739 }__attribute__((packed, aligned (4)));
1740 
1741 struct ipr_ucode_image_header {
1742 	__be32 header_length;
1743 	__be32 lid_table_offset;
1744 	u8 major_release;
1745 	u8 card_type;
1746 	u8 minor_release[2];
1747 	u8 reserved[20];
1748 	char eyecatcher[16];
1749 	__be32 num_lids;
1750 	struct ipr_software_inq_lid_info lid[1];
1751 }__attribute__((packed, aligned (4)));
1752 
1753 /*
1754  * Macros
1755  */
1756 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1757 
1758 #ifdef CONFIG_SCSI_IPR_TRACE
1759 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1760 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1761 #else
1762 #define ipr_create_trace_file(kobj, attr) 0
1763 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1764 #endif
1765 
1766 #ifdef CONFIG_SCSI_IPR_DUMP
1767 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1768 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1769 #else
1770 #define ipr_create_dump_file(kobj, attr) 0
1771 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1772 #endif
1773 
1774 /*
1775  * Error logging macros
1776  */
1777 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1778 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1779 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1780 
1781 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1782 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1783 		bus, target, lun, ##__VA_ARGS__)
1784 
1785 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1786 	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1787 
1788 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1789 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1790 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1791 
1792 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1793 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1794 
1795 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
1796 {									\
1797 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
1798 		ipr_err(fmt": unknown\n", ##__VA_ARGS__);		\
1799 	} else {							\
1800 		ipr_err(fmt": %d:%d:%d:%d\n",				\
1801 			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
1802 			(res).bus, (res).target, (res).lun);		\
1803 	}								\
1804 }
1805 
1806 #define ipr_hcam_err(hostrcb, fmt, ...)					\
1807 {									\
1808 	if (ipr_is_device(hostrcb)) {					\
1809 		if ((hostrcb)->ioa_cfg->sis64) {			\
1810 			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
1811 				ipr_format_res_path(hostrcb->ioa_cfg,	\
1812 					hostrcb->hcam.u.error64.fd_res_path, \
1813 					hostrcb->rp_buffer,		\
1814 					sizeof(hostrcb->rp_buffer)),	\
1815 				__VA_ARGS__);				\
1816 		} else {						\
1817 			ipr_ra_err((hostrcb)->ioa_cfg,			\
1818 				(hostrcb)->hcam.u.error.fd_res_addr,	\
1819 				fmt, __VA_ARGS__);			\
1820 		}							\
1821 	} else {							\
1822 		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1823 	}								\
1824 }
1825 
1826 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1827 	__FILE__, __func__, __LINE__)
1828 
1829 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1830 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1831 
1832 #define ipr_err_separator \
1833 ipr_err("----------------------------------------------------------\n")
1834 
1835 
1836 /*
1837  * Inlines
1838  */
1839 
1840 /**
1841  * ipr_is_ioa_resource - Determine if a resource is the IOA
1842  * @res:	resource entry struct
1843  *
1844  * Return value:
1845  * 	1 if IOA / 0 if not IOA
1846  **/
1847 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1848 {
1849 	return res->type == IPR_RES_TYPE_IOAFP;
1850 }
1851 
1852 /**
1853  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1854  * @res:	resource entry struct
1855  *
1856  * Return value:
1857  * 	1 if AF DASD / 0 if not AF DASD
1858  **/
1859 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1860 {
1861 	return res->type == IPR_RES_TYPE_AF_DASD ||
1862 		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1863 }
1864 
1865 /**
1866  * ipr_is_vset_device - Determine if a resource is a VSET
1867  * @res:	resource entry struct
1868  *
1869  * Return value:
1870  * 	1 if VSET / 0 if not VSET
1871  **/
1872 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1873 {
1874 	return res->type == IPR_RES_TYPE_VOLUME_SET;
1875 }
1876 
1877 /**
1878  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1879  * @res:	resource entry struct
1880  *
1881  * Return value:
1882  * 	1 if GSCSI / 0 if not GSCSI
1883  **/
1884 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1885 {
1886 	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1887 }
1888 
1889 /**
1890  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1891  * @res:	resource entry struct
1892  *
1893  * Return value:
1894  * 	1 if SCSI disk / 0 if not SCSI disk
1895  **/
1896 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1897 {
1898 	if (ipr_is_af_dasd_device(res) ||
1899 	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1900 		return 1;
1901 	else
1902 		return 0;
1903 }
1904 
1905 /**
1906  * ipr_is_gata - Determine if a resource is a generic ATA resource
1907  * @res:	resource entry struct
1908  *
1909  * Return value:
1910  * 	1 if GATA / 0 if not GATA
1911  **/
1912 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1913 {
1914 	return res->type == IPR_RES_TYPE_GENERIC_ATA;
1915 }
1916 
1917 /**
1918  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1919  * @res:	resource entry struct
1920  *
1921  * Return value:
1922  * 	1 if NACA queueing model / 0 if not NACA queueing model
1923  **/
1924 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1925 {
1926 	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1927 		return 1;
1928 	return 0;
1929 }
1930 
1931 /**
1932  * ipr_is_device - Determine if the hostrcb structure is related to a device
1933  * @hostrcb:	host resource control blocks struct
1934  *
1935  * Return value:
1936  * 	1 if AF / 0 if not AF
1937  **/
1938 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1939 {
1940 	struct ipr_res_addr *res_addr;
1941 	u8 *res_path;
1942 
1943 	if (hostrcb->ioa_cfg->sis64) {
1944 		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1945 		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1946 		    res_path[0] == 0x81) && res_path[2] != 0xFF)
1947 			return 1;
1948 	} else {
1949 		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1950 
1951 		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1952 		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1953 			return 1;
1954 	}
1955 	return 0;
1956 }
1957 
1958 /**
1959  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1960  * @sdt_word:	SDT address
1961  *
1962  * Return value:
1963  * 	1 if format 2 / 0 if not
1964  **/
1965 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1966 {
1967 	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1968 
1969 	switch (bar_sel) {
1970 	case IPR_SDT_FMT2_BAR0_SEL:
1971 	case IPR_SDT_FMT2_BAR1_SEL:
1972 	case IPR_SDT_FMT2_BAR2_SEL:
1973 	case IPR_SDT_FMT2_BAR3_SEL:
1974 	case IPR_SDT_FMT2_BAR4_SEL:
1975 	case IPR_SDT_FMT2_BAR5_SEL:
1976 	case IPR_SDT_FMT2_EXP_ROM_SEL:
1977 		return 1;
1978 	};
1979 
1980 	return 0;
1981 }
1982 
1983 #ifndef writeq
1984 static inline void writeq(u64 val, void __iomem *addr)
1985 {
1986         writel(((u32) (val >> 32)), addr);
1987         writel(((u32) (val)), (addr + 4));
1988 }
1989 #endif
1990 
1991 #endif /* _IPR_H */
1992