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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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@redhat.com> - 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 <linux/types.h>
30#include <linux/completion.h>
31#include <linux/list.h>
32#include <linux/kref.h>
33#include <scsi/scsi.h>
34#include <scsi/scsi_cmnd.h>
35
36/*
37 * Literals
38 */
brking@us.ibm.com f80ed132005-05-02 19:51:06 -050039#define IPR_DRIVER_VERSION "2.0.14"
40#define IPR_DRIVER_DATE "(May 2, 2005)"
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
44 * ops per device for devices not running tagged command queuing.
45 * This can be adjusted at runtime through sysfs device attributes.
46 */
47#define IPR_MAX_CMD_PER_LUN 6
48
49/*
50 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
51 * ops the mid-layer can send to the adapter.
52 */
53#define IPR_NUM_BASE_CMD_BLKS 100
54
55#define IPR_SUBS_DEV_ID_2780 0x0264
56#define IPR_SUBS_DEV_ID_5702 0x0266
57#define IPR_SUBS_DEV_ID_5703 0x0278
58#define IPR_SUBS_DEV_ID_572E 0x028D
59#define IPR_SUBS_DEV_ID_573E 0x02D3
60#define IPR_SUBS_DEV_ID_573D 0x02D4
61#define IPR_SUBS_DEV_ID_571A 0x02C0
62#define IPR_SUBS_DEV_ID_571B 0x02BE
63#define IPR_SUBS_DEV_ID_571E 0x02BF
64
65#define IPR_NAME "ipr"
66
67/*
68 * Return codes
69 */
70#define IPR_RC_JOB_CONTINUE 1
71#define IPR_RC_JOB_RETURN 2
72
73/*
74 * IOASCs
75 */
76#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
77#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
78#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
79#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
80#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
81#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
82#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
83#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -060084#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
85#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -070086#define IPR_IOASC_BUS_WAS_RESET 0x06290000
87#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
88#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
89
90#define IPR_FIRST_DRIVER_IOASC 0x10000000
91#define IPR_IOASC_IOA_WAS_RESET 0x10000001
92#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
93
94#define IPR_NUM_LOG_HCAMS 2
95#define IPR_NUM_CFG_CHG_HCAMS 2
96#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
97#define IPR_MAX_NUM_TARGETS_PER_BUS 0x10
98#define IPR_MAX_NUM_LUNS_PER_TARGET 256
99#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
100#define IPR_VSET_BUS 0xff
101#define IPR_IOA_BUS 0xff
102#define IPR_IOA_TARGET 0xff
103#define IPR_IOA_LUN 0xff
104#define IPR_MAX_NUM_BUSES 4
105#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
106
107#define IPR_NUM_RESET_RELOAD_RETRIES 3
108
109/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
110#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
111 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
112
113#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
114#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
115 IPR_NUM_INTERNAL_CMD_BLKS)
116
117#define IPR_MAX_PHYSICAL_DEVS 192
118
119#define IPR_MAX_SGLIST 64
120#define IPR_IOA_MAX_SECTORS 32767
121#define IPR_VSET_MAX_SECTORS 512
122#define IPR_MAX_CDB_LEN 16
123
124#define IPR_DEFAULT_BUS_WIDTH 16
125#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
126#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
127#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
128#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
129
130#define IPR_IOA_RES_HANDLE 0xffffffff
131#define IPR_IOA_RES_ADDR 0x00ffffff
132
133/*
134 * Adapter Commands
135 */
136#define IPR_QUERY_RSRC_STATE 0xC2
137#define IPR_RESET_DEVICE 0xC3
138#define IPR_RESET_TYPE_SELECT 0x80
139#define IPR_LUN_RESET 0x40
140#define IPR_TARGET_RESET 0x20
141#define IPR_BUS_RESET 0x10
142#define IPR_ID_HOST_RR_Q 0xC4
143#define IPR_QUERY_IOA_CONFIG 0xC5
144#define IPR_CANCEL_ALL_REQUESTS 0xCE
145#define IPR_HOST_CONTROLLED_ASYNC 0xCF
146#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
147#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
148#define IPR_SET_SUPPORTED_DEVICES 0xFB
149#define IPR_IOA_SHUTDOWN 0xF7
150#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
151
152/*
153 * Timeouts
154 */
155#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
156#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
157#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
158#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
159#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
160#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
161#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
162#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
163#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
164#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
165#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
166#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
167#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
168#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
169#define IPR_DUMP_TIMEOUT (15 * HZ)
170
171/*
172 * SCSI Literals
173 */
174#define IPR_VENDOR_ID_LEN 8
175#define IPR_PROD_ID_LEN 16
176#define IPR_SERIAL_NUM_LEN 8
177
178/*
179 * Hardware literals
180 */
181#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
182#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
183#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
184#define IPR_GET_FMT2_BAR_SEL(mbx) \
185(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
186#define IPR_SDT_FMT2_BAR0_SEL 0x0
187#define IPR_SDT_FMT2_BAR1_SEL 0x1
188#define IPR_SDT_FMT2_BAR2_SEL 0x2
189#define IPR_SDT_FMT2_BAR3_SEL 0x3
190#define IPR_SDT_FMT2_BAR4_SEL 0x4
191#define IPR_SDT_FMT2_BAR5_SEL 0x5
192#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
193#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
194#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600195#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196
197#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
198#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
199#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
200#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
201#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
202#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
203#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
204#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
205#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
206#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
207#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
208
209#define IPR_PCII_ERROR_INTERRUPTS \
210(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
211IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
212
213#define IPR_PCII_OPER_INTERRUPTS \
214(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
215
216#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
217#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
218
219#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
220#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
221
222/*
223 * Dump literals
224 */
225#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
226#define IPR_NUM_SDT_ENTRIES 511
227#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
228
229/*
230 * Misc literals
231 */
232#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
233
234/*
235 * Adapter interface types
236 */
237
238struct ipr_res_addr {
239 u8 reserved;
240 u8 bus;
241 u8 target;
242 u8 lun;
243#define IPR_GET_PHYS_LOC(res_addr) \
244 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
245}__attribute__((packed, aligned (4)));
246
247struct ipr_std_inq_vpids {
248 u8 vendor_id[IPR_VENDOR_ID_LEN];
249 u8 product_id[IPR_PROD_ID_LEN];
250}__attribute__((packed));
251
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600252struct ipr_vpd {
253 struct ipr_std_inq_vpids vpids;
254 u8 sn[IPR_SERIAL_NUM_LEN];
255}__attribute__((packed));
256
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600257struct ipr_ext_vpd {
258 struct ipr_vpd vpd;
259 __be32 wwid[2];
260}__attribute__((packed));
261
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262struct ipr_std_inq_data {
263 u8 peri_qual_dev_type;
264#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
265#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
266
267 u8 removeable_medium_rsvd;
268#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
269
270#define IPR_IS_DASD_DEVICE(std_inq) \
271((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
272!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
273
274#define IPR_IS_SES_DEVICE(std_inq) \
275(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
276
277 u8 version;
278 u8 aen_naca_fmt;
279 u8 additional_len;
280 u8 sccs_rsvd;
281 u8 bq_enc_multi;
282 u8 sync_cmdq_flags;
283
284 struct ipr_std_inq_vpids vpids;
285
286 u8 ros_rsvd_ram_rsvd[4];
287
288 u8 serial_num[IPR_SERIAL_NUM_LEN];
289}__attribute__ ((packed));
290
291struct ipr_config_table_entry {
292 u8 service_level;
293 u8 array_id;
294 u8 flags;
295#define IPR_IS_IOA_RESOURCE 0x80
296#define IPR_IS_ARRAY_MEMBER 0x20
297#define IPR_IS_HOT_SPARE 0x10
298
299 u8 rsvd_subtype;
300#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
301#define IPR_SUBTYPE_AF_DASD 0
302#define IPR_SUBTYPE_GENERIC_SCSI 1
303#define IPR_SUBTYPE_VOLUME_SET 2
304
305 struct ipr_res_addr res_addr;
306 __be32 res_handle;
307 __be32 reserved4[2];
308 struct ipr_std_inq_data std_inq_data;
309}__attribute__ ((packed, aligned (4)));
310
311struct ipr_config_table_hdr {
312 u8 num_entries;
313 u8 flags;
314#define IPR_UCODE_DOWNLOAD_REQ 0x10
315 __be16 reserved;
316}__attribute__((packed, aligned (4)));
317
318struct ipr_config_table {
319 struct ipr_config_table_hdr hdr;
320 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
321}__attribute__((packed, aligned (4)));
322
323struct ipr_hostrcb_cfg_ch_not {
324 struct ipr_config_table_entry cfgte;
325 u8 reserved[936];
326}__attribute__((packed, aligned (4)));
327
328struct ipr_supported_device {
329 __be16 data_length;
330 u8 reserved;
331 u8 num_records;
332 struct ipr_std_inq_vpids vpids;
333 u8 reserved2[16];
334}__attribute__((packed, aligned (4)));
335
336/* Command packet structure */
337struct ipr_cmd_pkt {
338 __be16 reserved; /* Reserved by IOA */
339 u8 request_type;
340#define IPR_RQTYPE_SCSICDB 0x00
341#define IPR_RQTYPE_IOACMD 0x01
342#define IPR_RQTYPE_HCAM 0x02
343
344 u8 luntar_luntrn;
345
346 u8 flags_hi;
347#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
348#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
349#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
350#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
351#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
352
353 u8 flags_lo;
354#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
355#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
356#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
357#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
358#define IPR_FLAGS_LO_ORDERED_TASK 0x04
359#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
360#define IPR_FLAGS_LO_ACA_TASK 0x08
361
362 u8 cdb[16];
363 __be16 timeout;
364}__attribute__ ((packed, aligned(4)));
365
366/* IOA Request Control Block 128 bytes */
367struct ipr_ioarcb {
368 __be32 ioarcb_host_pci_addr;
369 __be32 reserved;
370 __be32 res_handle;
371 __be32 host_response_handle;
372 __be32 reserved1;
373 __be32 reserved2;
374 __be32 reserved3;
375
376 __be32 write_data_transfer_length;
377 __be32 read_data_transfer_length;
378 __be32 write_ioadl_addr;
379 __be32 write_ioadl_len;
380 __be32 read_ioadl_addr;
381 __be32 read_ioadl_len;
382
383 __be32 ioasa_host_pci_addr;
384 __be16 ioasa_len;
385 __be16 reserved4;
386
387 struct ipr_cmd_pkt cmd_pkt;
388
389 __be32 add_cmd_parms_len;
390 __be32 add_cmd_parms[10];
391}__attribute__((packed, aligned (4)));
392
393struct ipr_ioadl_desc {
394 __be32 flags_and_data_len;
395#define IPR_IOADL_FLAGS_MASK 0xff000000
396#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
397#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
398#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
399#define IPR_IOADL_FLAGS_READ 0x48000000
400#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
401#define IPR_IOADL_FLAGS_WRITE 0x68000000
402#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
403#define IPR_IOADL_FLAGS_LAST 0x01000000
404
405 __be32 address;
406}__attribute__((packed, aligned (8)));
407
408struct ipr_ioasa_vset {
409 __be32 failing_lba_hi;
410 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600411 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412}__attribute__((packed, aligned (4)));
413
414struct ipr_ioasa_af_dasd {
415 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600416 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417}__attribute__((packed, aligned (4)));
418
419struct ipr_ioasa_gpdd {
420 u8 end_state;
421 u8 bus_phase;
422 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600423 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424}__attribute__((packed, aligned (4)));
425
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600426struct ipr_auto_sense {
427 __be16 auto_sense_len;
428 __be16 ioa_data_len;
429 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
430};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
432struct ipr_ioasa {
433 __be32 ioasc;
434#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
435#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
436#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
437#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
438
439 __be16 ret_stat_len; /* Length of the returned IOASA */
440
441 __be16 avail_stat_len; /* Total Length of status available. */
442
443 __be32 residual_data_len; /* number of bytes in the host data */
444 /* buffers that were not used by the IOARCB command. */
445
446 __be32 ilid;
447#define IPR_NO_ILID 0
448#define IPR_DRIVER_ILID 0xffffffff
449
450 __be32 fd_ioasc;
451
452 __be32 fd_phys_locator;
453
454 __be32 fd_res_handle;
455
456 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600457#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
458#define IPR_AUTOSENSE_VALID 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700459#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
460#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
461#define IPR_FIELD_POINTER_MASK 0x0000ffff
462
463 union {
464 struct ipr_ioasa_vset vset;
465 struct ipr_ioasa_af_dasd dasd;
466 struct ipr_ioasa_gpdd gpdd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600468
469 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470}__attribute__((packed, aligned (4)));
471
472struct ipr_mode_parm_hdr {
473 u8 length;
474 u8 medium_type;
475 u8 device_spec_parms;
476 u8 block_desc_len;
477}__attribute__((packed));
478
479struct ipr_mode_pages {
480 struct ipr_mode_parm_hdr hdr;
481 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
482}__attribute__((packed));
483
484struct ipr_mode_page_hdr {
485 u8 ps_page_code;
486#define IPR_MODE_PAGE_PS 0x80
487#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
488 u8 page_length;
489}__attribute__ ((packed));
490
491struct ipr_dev_bus_entry {
492 struct ipr_res_addr res_addr;
493 u8 flags;
494#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
495#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
496#define IPR_SCSI_ATTR_QAS_MASK 0xC0
497#define IPR_SCSI_ATTR_ENABLE_TM 0x20
498#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
499#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
500#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
501
502 u8 scsi_id;
503 u8 bus_width;
504 u8 extended_reset_delay;
505#define IPR_EXTENDED_RESET_DELAY 7
506
507 __be32 max_xfer_rate;
508
509 u8 spinup_delay;
510 u8 reserved3;
511 __be16 reserved4;
512}__attribute__((packed, aligned (4)));
513
514struct ipr_mode_page28 {
515 struct ipr_mode_page_hdr hdr;
516 u8 num_entries;
517 u8 entry_length;
518 struct ipr_dev_bus_entry bus[0];
519}__attribute__((packed));
520
521struct ipr_ioa_vpd {
522 struct ipr_std_inq_data std_inq_data;
523 u8 ascii_part_num[12];
524 u8 reserved[40];
525 u8 ascii_plant_code[4];
526}__attribute__((packed));
527
528struct ipr_inquiry_page3 {
529 u8 peri_qual_dev_type;
530 u8 page_code;
531 u8 reserved1;
532 u8 page_length;
533 u8 ascii_len;
534 u8 reserved2[3];
535 u8 load_id[4];
536 u8 major_release;
537 u8 card_type;
538 u8 minor_release[2];
539 u8 ptf_number[4];
540 u8 patch_number[4];
541}__attribute__((packed));
542
brking@us.ibm.com62275042005-11-01 17:01:14 -0600543#define IPR_INQUIRY_PAGE0_ENTRIES 20
544struct ipr_inquiry_page0 {
545 u8 peri_qual_dev_type;
546 u8 page_code;
547 u8 reserved1;
548 u8 len;
549 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
550}__attribute__((packed));
551
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600553 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600555 struct ipr_vpd new_vpd;
556 struct ipr_vpd ioa_last_with_dev_vpd;
557 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558 __be32 ioa_data[5];
559}__attribute__((packed, aligned (4)));
560
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600561struct ipr_hostrcb_device_data_entry_enhanced {
562 struct ipr_ext_vpd vpd;
563 u8 ccin[4];
564 struct ipr_res_addr dev_res_addr;
565 struct ipr_ext_vpd new_vpd;
566 u8 new_ccin[4];
567 struct ipr_ext_vpd ioa_last_with_dev_vpd;
568 struct ipr_ext_vpd cfc_last_with_dev_vpd;
569}__attribute__((packed, aligned (4)));
570
Linus Torvalds1da177e2005-04-16 15:20:36 -0700571struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600572 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700573 struct ipr_res_addr expected_dev_res_addr;
574 struct ipr_res_addr dev_res_addr;
575}__attribute__((packed, aligned (4)));
576
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600577struct ipr_hostrcb_array_data_entry_enhanced {
578 struct ipr_ext_vpd vpd;
579 u8 ccin[4];
580 struct ipr_res_addr expected_dev_res_addr;
581 struct ipr_res_addr dev_res_addr;
582}__attribute__((packed, aligned (4)));
583
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600585 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586}__attribute__((packed, aligned (4)));
587
588struct ipr_hostrcb_type_01_error {
589 __be32 seek_counter;
590 __be32 read_counter;
591 u8 sense_data[32];
592 __be32 ioa_data[236];
593}__attribute__((packed, aligned (4)));
594
595struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600596 struct ipr_vpd ioa_vpd;
597 struct ipr_vpd cfc_vpd;
598 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
599 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601}__attribute__((packed, aligned (4)));
602
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600603struct ipr_hostrcb_type_12_error {
604 struct ipr_ext_vpd ioa_vpd;
605 struct ipr_ext_vpd cfc_vpd;
606 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
607 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
608 __be32 ioa_data[3];
609}__attribute__((packed, aligned (4)));
610
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600612 struct ipr_vpd ioa_vpd;
613 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700614 __be32 errors_detected;
615 __be32 errors_logged;
616 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600617 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618}__attribute__((packed, aligned (4)));
619
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600620struct ipr_hostrcb_type_13_error {
621 struct ipr_ext_vpd ioa_vpd;
622 struct ipr_ext_vpd cfc_vpd;
623 __be32 errors_detected;
624 __be32 errors_logged;
625 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
626}__attribute__((packed, aligned (4)));
627
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600629 struct ipr_vpd ioa_vpd;
630 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631 u8 ioa_data[12];
632 struct ipr_hostrcb_array_data_entry array_member[10];
633 __be32 exposed_mode_adn;
634 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600635 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636 __be32 ioa_data2;
637 struct ipr_hostrcb_array_data_entry array_member2[8];
638 struct ipr_res_addr last_func_vset_res_addr;
639 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
640 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641}__attribute__((packed, aligned (4)));
642
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600643struct ipr_hostrcb_type_14_error {
644 struct ipr_ext_vpd ioa_vpd;
645 struct ipr_ext_vpd cfc_vpd;
646 __be32 exposed_mode_adn;
647 __be32 array_id;
648 struct ipr_res_addr last_func_vset_res_addr;
649 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
650 u8 protection_level[8];
651 __be32 num_entries;
652 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
653}__attribute__((packed, aligned (4)));
654
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600655struct ipr_hostrcb_type_07_error {
656 u8 failure_reason[64];
657 struct ipr_vpd vpd;
658 u32 data[222];
659}__attribute__((packed, aligned (4)));
660
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600661struct ipr_hostrcb_type_17_error {
662 u8 failure_reason[64];
663 struct ipr_ext_vpd vpd;
664 u32 data[476];
665}__attribute__((packed, aligned (4)));
666
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667struct ipr_hostrcb_error {
668 __be32 failing_dev_ioasc;
669 struct ipr_res_addr failing_dev_res_addr;
670 __be32 failing_dev_res_handle;
671 __be32 prc;
672 union {
673 struct ipr_hostrcb_type_ff_error type_ff_error;
674 struct ipr_hostrcb_type_01_error type_01_error;
675 struct ipr_hostrcb_type_02_error type_02_error;
676 struct ipr_hostrcb_type_03_error type_03_error;
677 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600678 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600679 struct ipr_hostrcb_type_12_error type_12_error;
680 struct ipr_hostrcb_type_13_error type_13_error;
681 struct ipr_hostrcb_type_14_error type_14_error;
682 struct ipr_hostrcb_type_17_error type_17_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683 } u;
684}__attribute__((packed, aligned (4)));
685
686struct ipr_hostrcb_raw {
687 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
688}__attribute__((packed, aligned (4)));
689
690struct ipr_hcam {
691 u8 op_code;
692#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
693#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
694
695 u8 notify_type;
696#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
697#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
698#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
699#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
700#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
701
702 u8 notifications_lost;
703#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
704#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
705
706 u8 flags;
707#define IPR_HOSTRCB_INTERNAL_OPER 0x80
708#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
709
710 u8 overlay_id;
711#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
712#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
713#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
714#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
715#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600716#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600717#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
718#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
719#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
720#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
721#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
723
724 u8 reserved1[3];
725 __be32 ilid;
726 __be32 time_since_last_ioa_reset;
727 __be32 reserved2;
728 __be32 length;
729
730 union {
731 struct ipr_hostrcb_error error;
732 struct ipr_hostrcb_cfg_ch_not ccn;
733 struct ipr_hostrcb_raw raw;
734 } u;
735}__attribute__((packed, aligned (4)));
736
737struct ipr_hostrcb {
738 struct ipr_hcam hcam;
739 dma_addr_t hostrcb_dma;
740 struct list_head queue;
741};
742
743/* IPR smart dump table structures */
744struct ipr_sdt_entry {
745 __be32 bar_str_offset;
746 __be32 end_offset;
747 u8 entry_byte;
748 u8 reserved[3];
749
750 u8 flags;
751#define IPR_SDT_ENDIAN 0x80
752#define IPR_SDT_VALID_ENTRY 0x20
753
754 u8 resv;
755 __be16 priority;
756}__attribute__((packed, aligned (4)));
757
758struct ipr_sdt_header {
759 __be32 state;
760 __be32 num_entries;
761 __be32 num_entries_used;
762 __be32 dump_size;
763}__attribute__((packed, aligned (4)));
764
765struct ipr_sdt {
766 struct ipr_sdt_header hdr;
767 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
768}__attribute__((packed, aligned (4)));
769
770struct ipr_uc_sdt {
771 struct ipr_sdt_header hdr;
772 struct ipr_sdt_entry entry[1];
773}__attribute__((packed, aligned (4)));
774
775/*
776 * Driver types
777 */
778struct ipr_bus_attributes {
779 u8 bus;
780 u8 qas_enabled;
781 u8 bus_width;
782 u8 reserved;
783 u32 max_xfer_rate;
784};
785
786struct ipr_resource_entry {
787 struct ipr_config_table_entry cfgte;
788 u8 needs_sync_complete:1;
789 u8 in_erp:1;
790 u8 add_to_ml:1;
791 u8 del_from_ml:1;
792 u8 resetting_device:1;
793
794 struct scsi_device *sdev;
795 struct list_head queue;
796};
797
798struct ipr_resource_hdr {
799 u16 num_entries;
800 u16 reserved;
801};
802
803struct ipr_resource_table {
804 struct ipr_resource_hdr hdr;
805 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
806};
807
808struct ipr_misc_cbs {
809 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600810 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700811 struct ipr_inquiry_page3 page3_data;
812 struct ipr_mode_pages mode_pages;
813 struct ipr_supported_device supp_dev;
814};
815
816struct ipr_interrupt_offsets {
817 unsigned long set_interrupt_mask_reg;
818 unsigned long clr_interrupt_mask_reg;
819 unsigned long sense_interrupt_mask_reg;
820 unsigned long clr_interrupt_reg;
821
822 unsigned long sense_interrupt_reg;
823 unsigned long ioarrin_reg;
824 unsigned long sense_uproc_interrupt_reg;
825 unsigned long set_uproc_interrupt_reg;
826 unsigned long clr_uproc_interrupt_reg;
827};
828
829struct ipr_interrupts {
830 void __iomem *set_interrupt_mask_reg;
831 void __iomem *clr_interrupt_mask_reg;
832 void __iomem *sense_interrupt_mask_reg;
833 void __iomem *clr_interrupt_reg;
834
835 void __iomem *sense_interrupt_reg;
836 void __iomem *ioarrin_reg;
837 void __iomem *sense_uproc_interrupt_reg;
838 void __iomem *set_uproc_interrupt_reg;
839 void __iomem *clr_uproc_interrupt_reg;
840};
841
842struct ipr_chip_cfg_t {
843 u32 mailbox;
844 u8 cache_line_size;
845 struct ipr_interrupt_offsets regs;
846};
847
848struct ipr_chip_t {
849 u16 vendor;
850 u16 device;
851 const struct ipr_chip_cfg_t *cfg;
852};
853
854enum ipr_shutdown_type {
855 IPR_SHUTDOWN_NORMAL = 0x00,
856 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
857 IPR_SHUTDOWN_ABBREV = 0x80,
858 IPR_SHUTDOWN_NONE = 0x100
859};
860
861struct ipr_trace_entry {
862 u32 time;
863
864 u8 op_code;
865 u8 type;
866#define IPR_TRACE_START 0x00
867#define IPR_TRACE_FINISH 0xff
868 u16 cmd_index;
869
870 __be32 res_handle;
871 union {
872 u32 ioasc;
873 u32 add_data;
874 u32 res_addr;
875 } u;
876};
877
878struct ipr_sglist {
879 u32 order;
880 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -0600881 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700882 u32 buffer_len;
883 struct scatterlist scatterlist[1];
884};
885
886enum ipr_sdt_state {
887 INACTIVE,
888 WAIT_FOR_DUMP,
889 GET_DUMP,
890 ABORT_DUMP,
891 DUMP_OBTAINED
892};
893
brking@us.ibm.com62275042005-11-01 17:01:14 -0600894enum ipr_cache_state {
895 CACHE_NONE,
896 CACHE_DISABLED,
897 CACHE_ENABLED,
898 CACHE_INVALID
899};
900
Linus Torvalds1da177e2005-04-16 15:20:36 -0700901/* Per-controller data */
902struct ipr_ioa_cfg {
903 char eye_catcher[8];
904#define IPR_EYECATCHER "iprcfg"
905
906 struct list_head queue;
907
908 u8 allow_interrupts:1;
909 u8 in_reset_reload:1;
910 u8 in_ioa_bringdown:1;
911 u8 ioa_unit_checked:1;
912 u8 ioa_is_dead:1;
913 u8 dump_taken:1;
914 u8 allow_cmds:1;
915 u8 allow_ml_add_del:1;
916
brking@us.ibm.com62275042005-11-01 17:01:14 -0600917 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918 u16 type; /* CCIN of the card */
919
920 u8 log_level;
921#define IPR_MAX_LOG_LEVEL 4
922#define IPR_DEFAULT_LOG_LEVEL 2
923
924#define IPR_NUM_TRACE_INDEX_BITS 8
925#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
926#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
927 char trace_start[8];
928#define IPR_TRACE_START_LABEL "trace"
929 struct ipr_trace_entry *trace;
930 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
931
932 /*
933 * Queue for free command blocks
934 */
935 char ipr_free_label[8];
936#define IPR_FREEQ_LABEL "free-q"
937 struct list_head free_q;
938
939 /*
940 * Queue for command blocks outstanding to the adapter
941 */
942 char ipr_pending_label[8];
943#define IPR_PENDQ_LABEL "pend-q"
944 struct list_head pending_q;
945
946 char cfg_table_start[8];
947#define IPR_CFG_TBL_START "cfg"
948 struct ipr_config_table *cfg_table;
949 dma_addr_t cfg_table_dma;
950
951 char resource_table_label[8];
952#define IPR_RES_TABLE_LABEL "res_tbl"
953 struct ipr_resource_entry *res_entries;
954 struct list_head free_res_q;
955 struct list_head used_res_q;
956
957 char ipr_hcam_label[8];
958#define IPR_HCAM_LABEL "hcams"
959 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
960 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
961 struct list_head hostrcb_free_q;
962 struct list_head hostrcb_pending_q;
963
964 __be32 *host_rrq;
965 dma_addr_t host_rrq_dma;
966#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
967#define IPR_HRRQ_RESP_BIT_SET 0x00000002
968#define IPR_HRRQ_TOGGLE_BIT 0x00000001
969#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
970 volatile __be32 *hrrq_start;
971 volatile __be32 *hrrq_end;
972 volatile __be32 *hrrq_curr;
973 volatile u32 toggle_bit;
974
975 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
976
977 const struct ipr_chip_cfg_t *chip_cfg;
978
979 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
980 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
981 void __iomem *ioa_mailbox;
982 struct ipr_interrupts regs;
983
984 u16 saved_pcix_cmd_reg;
985 u16 reset_retries;
986
987 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600988 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989
990 struct Scsi_Host *host;
991 struct pci_dev *pdev;
992 struct ipr_sglist *ucode_sglist;
993 struct ipr_mode_pages *saved_mode_pages;
994 u8 saved_mode_page_len;
995
996 struct work_struct work_q;
997
998 wait_queue_head_t reset_wait_q;
999
1000 struct ipr_dump *dump;
1001 enum ipr_sdt_state sdt_state;
1002
1003 struct ipr_misc_cbs *vpd_cbs;
1004 dma_addr_t vpd_cbs_dma;
1005
1006 struct pci_pool *ipr_cmd_pool;
1007
1008 struct ipr_cmnd *reset_cmd;
1009
1010 char ipr_cmd_label[8];
1011#define IPR_CMD_LABEL "ipr_cmnd"
1012 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1013 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1014};
1015
1016struct ipr_cmnd {
1017 struct ipr_ioarcb ioarcb;
1018 struct ipr_ioasa ioasa;
1019 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1020 struct list_head queue;
1021 struct scsi_cmnd *scsi_cmd;
1022 struct completion completion;
1023 struct timer_list timer;
1024 void (*done) (struct ipr_cmnd *);
1025 int (*job_step) (struct ipr_cmnd *);
1026 u16 cmd_index;
1027 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1028 dma_addr_t sense_buffer_dma;
1029 unsigned short dma_use_sg;
1030 dma_addr_t dma_handle;
1031 struct ipr_cmnd *sibling;
1032 union {
1033 enum ipr_shutdown_type shutdown_type;
1034 struct ipr_hostrcb *hostrcb;
1035 unsigned long time_left;
1036 unsigned long scratch;
1037 struct ipr_resource_entry *res;
1038 struct scsi_device *sdev;
1039 } u;
1040
1041 struct ipr_ioa_cfg *ioa_cfg;
1042};
1043
1044struct ipr_ses_table_entry {
1045 char product_id[17];
1046 char compare_product_id_byte[17];
1047 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1048};
1049
1050struct ipr_dump_header {
1051 u32 eye_catcher;
1052#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1053 u32 len;
1054 u32 num_entries;
1055 u32 first_entry_offset;
1056 u32 status;
1057#define IPR_DUMP_STATUS_SUCCESS 0
1058#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1059#define IPR_DUMP_STATUS_FAILED 0xffffffff
1060 u32 os;
1061#define IPR_DUMP_OS_LINUX 0x4C4E5558
1062 u32 driver_name;
1063#define IPR_DUMP_DRIVER_NAME 0x49505232
1064}__attribute__((packed, aligned (4)));
1065
1066struct ipr_dump_entry_header {
1067 u32 eye_catcher;
1068#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1069 u32 len;
1070 u32 num_elems;
1071 u32 offset;
1072 u32 data_type;
1073#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1074#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1075 u32 id;
1076#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1077#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1078#define IPR_DUMP_TRACE_ID 0x54524143
1079#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1080#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1081#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1082#define IPR_DUMP_PEND_OPS 0x414F5053
1083 u32 status;
1084}__attribute__((packed, aligned (4)));
1085
1086struct ipr_dump_location_entry {
1087 struct ipr_dump_entry_header hdr;
1088 u8 location[BUS_ID_SIZE];
1089}__attribute__((packed));
1090
1091struct ipr_dump_trace_entry {
1092 struct ipr_dump_entry_header hdr;
1093 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1094}__attribute__((packed, aligned (4)));
1095
1096struct ipr_dump_version_entry {
1097 struct ipr_dump_entry_header hdr;
1098 u8 version[sizeof(IPR_DRIVER_VERSION)];
1099};
1100
1101struct ipr_dump_ioa_type_entry {
1102 struct ipr_dump_entry_header hdr;
1103 u32 type;
1104 u32 fw_version;
1105};
1106
1107struct ipr_driver_dump {
1108 struct ipr_dump_header hdr;
1109 struct ipr_dump_version_entry version_entry;
1110 struct ipr_dump_location_entry location_entry;
1111 struct ipr_dump_ioa_type_entry ioa_type_entry;
1112 struct ipr_dump_trace_entry trace_entry;
1113}__attribute__((packed));
1114
1115struct ipr_ioa_dump {
1116 struct ipr_dump_entry_header hdr;
1117 struct ipr_sdt sdt;
1118 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1119 u32 reserved;
1120 u32 next_page_index;
1121 u32 page_offset;
1122 u32 format;
1123#define IPR_SDT_FMT2 2
1124#define IPR_SDT_UNKNOWN 3
1125}__attribute__((packed, aligned (4)));
1126
1127struct ipr_dump {
1128 struct kref kref;
1129 struct ipr_ioa_cfg *ioa_cfg;
1130 struct ipr_driver_dump driver_dump;
1131 struct ipr_ioa_dump ioa_dump;
1132};
1133
1134struct ipr_error_table_t {
1135 u32 ioasc;
1136 int log_ioasa;
1137 int log_hcam;
1138 char *error;
1139};
1140
1141struct ipr_software_inq_lid_info {
1142 __be32 load_id;
1143 __be32 timestamp[3];
1144}__attribute__((packed, aligned (4)));
1145
1146struct ipr_ucode_image_header {
1147 __be32 header_length;
1148 __be32 lid_table_offset;
1149 u8 major_release;
1150 u8 card_type;
1151 u8 minor_release[2];
1152 u8 reserved[20];
1153 char eyecatcher[16];
1154 __be32 num_lids;
1155 struct ipr_software_inq_lid_info lid[1];
1156}__attribute__((packed, aligned (4)));
1157
1158/*
1159 * Macros
1160 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001161#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162
1163#ifdef CONFIG_SCSI_IPR_TRACE
1164#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1165#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1166#else
1167#define ipr_create_trace_file(kobj, attr) 0
1168#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1169#endif
1170
1171#ifdef CONFIG_SCSI_IPR_DUMP
1172#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1173#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1174#else
1175#define ipr_create_dump_file(kobj, attr) 0
1176#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1177#endif
1178
1179/*
1180 * Error logging macros
1181 */
1182#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1183#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1184#define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1185#define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1186#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1187
Jeff Garzik017560f2005-10-24 18:04:36 -04001188#define ipr_sdev_printk(level, sdev, fmt, args...) \
1189 sdev_printk(level, sdev, fmt, ## args)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001190
1191#define ipr_sdev_err(sdev, fmt, ...) \
1192 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1193
1194#define ipr_sdev_info(sdev, fmt, ...) \
1195 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1196
1197#define ipr_sdev_dbg(sdev, fmt, ...) \
1198 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1199
1200#define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1201 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1202 res.bus, res.target, res.lun, ##__VA_ARGS__)
1203
1204#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1205 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1206#define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1207 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1208
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001209#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1210{ \
1211 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1212 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1213 } else { \
1214 ipr_err(fmt": %d:%d:%d:%d\n", \
1215 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1216 (res).bus, (res).target, (res).lun); \
1217 } \
1218}
1219
Linus Torvalds1da177e2005-04-16 15:20:36 -07001220#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1221 __FILE__, __FUNCTION__, __LINE__)
1222
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001223#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1224#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001225
1226#define ipr_err_separator \
1227ipr_err("----------------------------------------------------------\n")
1228
1229
1230/*
1231 * Inlines
1232 */
1233
1234/**
1235 * ipr_is_ioa_resource - Determine if a resource is the IOA
1236 * @res: resource entry struct
1237 *
1238 * Return value:
1239 * 1 if IOA / 0 if not IOA
1240 **/
1241static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1242{
1243 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1244}
1245
1246/**
1247 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1248 * @res: resource entry struct
1249 *
1250 * Return value:
1251 * 1 if AF DASD / 0 if not AF DASD
1252 **/
1253static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1254{
1255 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1256 !ipr_is_ioa_resource(res) &&
1257 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1258 return 1;
1259 else
1260 return 0;
1261}
1262
1263/**
1264 * ipr_is_vset_device - Determine if a resource is a VSET
1265 * @res: resource entry struct
1266 *
1267 * Return value:
1268 * 1 if VSET / 0 if not VSET
1269 **/
1270static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1271{
1272 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1273 !ipr_is_ioa_resource(res) &&
1274 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1275 return 1;
1276 else
1277 return 0;
1278}
1279
1280/**
1281 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1282 * @res: resource entry struct
1283 *
1284 * Return value:
1285 * 1 if GSCSI / 0 if not GSCSI
1286 **/
1287static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1288{
1289 if (!ipr_is_ioa_resource(res) &&
1290 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1291 return 1;
1292 else
1293 return 0;
1294}
1295
1296/**
1297 * ipr_is_device - Determine if resource address is that of a device
1298 * @res_addr: resource address struct
1299 *
1300 * Return value:
1301 * 1 if AF / 0 if not AF
1302 **/
1303static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1304{
1305 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1306 (res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
1307 return 1;
1308
1309 return 0;
1310}
1311
1312/**
1313 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1314 * @sdt_word: SDT address
1315 *
1316 * Return value:
1317 * 1 if format 2 / 0 if not
1318 **/
1319static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1320{
1321 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1322
1323 switch (bar_sel) {
1324 case IPR_SDT_FMT2_BAR0_SEL:
1325 case IPR_SDT_FMT2_BAR1_SEL:
1326 case IPR_SDT_FMT2_BAR2_SEL:
1327 case IPR_SDT_FMT2_BAR3_SEL:
1328 case IPR_SDT_FMT2_BAR4_SEL:
1329 case IPR_SDT_FMT2_BAR5_SEL:
1330 case IPR_SDT_FMT2_EXP_ROM_SEL:
1331 return 1;
1332 };
1333
1334 return 0;
1335}
1336
1337#endif