blob: c9cc40e5db2418145f7c301499b97993e0d5f867 [file] [log] [blame]
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
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600305#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
306#define IPR_QUEUE_FROZEN_MODEL 0
307#define IPR_QUEUE_NACA_MODEL 1
308
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 struct ipr_res_addr res_addr;
310 __be32 res_handle;
311 __be32 reserved4[2];
312 struct ipr_std_inq_data std_inq_data;
313}__attribute__ ((packed, aligned (4)));
314
315struct ipr_config_table_hdr {
316 u8 num_entries;
317 u8 flags;
318#define IPR_UCODE_DOWNLOAD_REQ 0x10
319 __be16 reserved;
320}__attribute__((packed, aligned (4)));
321
322struct ipr_config_table {
323 struct ipr_config_table_hdr hdr;
324 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
325}__attribute__((packed, aligned (4)));
326
327struct ipr_hostrcb_cfg_ch_not {
328 struct ipr_config_table_entry cfgte;
329 u8 reserved[936];
330}__attribute__((packed, aligned (4)));
331
332struct ipr_supported_device {
333 __be16 data_length;
334 u8 reserved;
335 u8 num_records;
336 struct ipr_std_inq_vpids vpids;
337 u8 reserved2[16];
338}__attribute__((packed, aligned (4)));
339
340/* Command packet structure */
341struct ipr_cmd_pkt {
342 __be16 reserved; /* Reserved by IOA */
343 u8 request_type;
344#define IPR_RQTYPE_SCSICDB 0x00
345#define IPR_RQTYPE_IOACMD 0x01
346#define IPR_RQTYPE_HCAM 0x02
347
348 u8 luntar_luntrn;
349
350 u8 flags_hi;
351#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
352#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
353#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
354#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
355#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
356
357 u8 flags_lo;
358#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
359#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
360#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
361#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
362#define IPR_FLAGS_LO_ORDERED_TASK 0x04
363#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
364#define IPR_FLAGS_LO_ACA_TASK 0x08
365
366 u8 cdb[16];
367 __be16 timeout;
368}__attribute__ ((packed, aligned(4)));
369
370/* IOA Request Control Block 128 bytes */
371struct ipr_ioarcb {
372 __be32 ioarcb_host_pci_addr;
373 __be32 reserved;
374 __be32 res_handle;
375 __be32 host_response_handle;
376 __be32 reserved1;
377 __be32 reserved2;
378 __be32 reserved3;
379
380 __be32 write_data_transfer_length;
381 __be32 read_data_transfer_length;
382 __be32 write_ioadl_addr;
383 __be32 write_ioadl_len;
384 __be32 read_ioadl_addr;
385 __be32 read_ioadl_len;
386
387 __be32 ioasa_host_pci_addr;
388 __be16 ioasa_len;
389 __be16 reserved4;
390
391 struct ipr_cmd_pkt cmd_pkt;
392
393 __be32 add_cmd_parms_len;
394 __be32 add_cmd_parms[10];
395}__attribute__((packed, aligned (4)));
396
397struct ipr_ioadl_desc {
398 __be32 flags_and_data_len;
399#define IPR_IOADL_FLAGS_MASK 0xff000000
400#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
401#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
402#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
403#define IPR_IOADL_FLAGS_READ 0x48000000
404#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
405#define IPR_IOADL_FLAGS_WRITE 0x68000000
406#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
407#define IPR_IOADL_FLAGS_LAST 0x01000000
408
409 __be32 address;
410}__attribute__((packed, aligned (8)));
411
412struct ipr_ioasa_vset {
413 __be32 failing_lba_hi;
414 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600415 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416}__attribute__((packed, aligned (4)));
417
418struct ipr_ioasa_af_dasd {
419 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600420 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421}__attribute__((packed, aligned (4)));
422
423struct ipr_ioasa_gpdd {
424 u8 end_state;
425 u8 bus_phase;
426 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600427 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428}__attribute__((packed, aligned (4)));
429
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600430struct ipr_auto_sense {
431 __be16 auto_sense_len;
432 __be16 ioa_data_len;
433 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
434};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435
436struct ipr_ioasa {
437 __be32 ioasc;
438#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
439#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
440#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
441#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
442
443 __be16 ret_stat_len; /* Length of the returned IOASA */
444
445 __be16 avail_stat_len; /* Total Length of status available. */
446
447 __be32 residual_data_len; /* number of bytes in the host data */
448 /* buffers that were not used by the IOARCB command. */
449
450 __be32 ilid;
451#define IPR_NO_ILID 0
452#define IPR_DRIVER_ILID 0xffffffff
453
454 __be32 fd_ioasc;
455
456 __be32 fd_phys_locator;
457
458 __be32 fd_res_handle;
459
460 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600461#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
462#define IPR_AUTOSENSE_VALID 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
464#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
465#define IPR_FIELD_POINTER_MASK 0x0000ffff
466
467 union {
468 struct ipr_ioasa_vset vset;
469 struct ipr_ioasa_af_dasd dasd;
470 struct ipr_ioasa_gpdd gpdd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600472
473 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474}__attribute__((packed, aligned (4)));
475
476struct ipr_mode_parm_hdr {
477 u8 length;
478 u8 medium_type;
479 u8 device_spec_parms;
480 u8 block_desc_len;
481}__attribute__((packed));
482
483struct ipr_mode_pages {
484 struct ipr_mode_parm_hdr hdr;
485 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
486}__attribute__((packed));
487
488struct ipr_mode_page_hdr {
489 u8 ps_page_code;
490#define IPR_MODE_PAGE_PS 0x80
491#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
492 u8 page_length;
493}__attribute__ ((packed));
494
495struct ipr_dev_bus_entry {
496 struct ipr_res_addr res_addr;
497 u8 flags;
498#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
499#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
500#define IPR_SCSI_ATTR_QAS_MASK 0xC0
501#define IPR_SCSI_ATTR_ENABLE_TM 0x20
502#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
503#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
504#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
505
506 u8 scsi_id;
507 u8 bus_width;
508 u8 extended_reset_delay;
509#define IPR_EXTENDED_RESET_DELAY 7
510
511 __be32 max_xfer_rate;
512
513 u8 spinup_delay;
514 u8 reserved3;
515 __be16 reserved4;
516}__attribute__((packed, aligned (4)));
517
518struct ipr_mode_page28 {
519 struct ipr_mode_page_hdr hdr;
520 u8 num_entries;
521 u8 entry_length;
522 struct ipr_dev_bus_entry bus[0];
523}__attribute__((packed));
524
525struct ipr_ioa_vpd {
526 struct ipr_std_inq_data std_inq_data;
527 u8 ascii_part_num[12];
528 u8 reserved[40];
529 u8 ascii_plant_code[4];
530}__attribute__((packed));
531
532struct ipr_inquiry_page3 {
533 u8 peri_qual_dev_type;
534 u8 page_code;
535 u8 reserved1;
536 u8 page_length;
537 u8 ascii_len;
538 u8 reserved2[3];
539 u8 load_id[4];
540 u8 major_release;
541 u8 card_type;
542 u8 minor_release[2];
543 u8 ptf_number[4];
544 u8 patch_number[4];
545}__attribute__((packed));
546
brking@us.ibm.com62275042005-11-01 17:01:14 -0600547#define IPR_INQUIRY_PAGE0_ENTRIES 20
548struct ipr_inquiry_page0 {
549 u8 peri_qual_dev_type;
550 u8 page_code;
551 u8 reserved1;
552 u8 len;
553 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
554}__attribute__((packed));
555
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600557 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600559 struct ipr_vpd new_vpd;
560 struct ipr_vpd ioa_last_with_dev_vpd;
561 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 __be32 ioa_data[5];
563}__attribute__((packed, aligned (4)));
564
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600565struct ipr_hostrcb_device_data_entry_enhanced {
566 struct ipr_ext_vpd vpd;
567 u8 ccin[4];
568 struct ipr_res_addr dev_res_addr;
569 struct ipr_ext_vpd new_vpd;
570 u8 new_ccin[4];
571 struct ipr_ext_vpd ioa_last_with_dev_vpd;
572 struct ipr_ext_vpd cfc_last_with_dev_vpd;
573}__attribute__((packed, aligned (4)));
574
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600576 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577 struct ipr_res_addr expected_dev_res_addr;
578 struct ipr_res_addr dev_res_addr;
579}__attribute__((packed, aligned (4)));
580
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600581struct ipr_hostrcb_array_data_entry_enhanced {
582 struct ipr_ext_vpd vpd;
583 u8 ccin[4];
584 struct ipr_res_addr expected_dev_res_addr;
585 struct ipr_res_addr dev_res_addr;
586}__attribute__((packed, aligned (4)));
587
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600589 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590}__attribute__((packed, aligned (4)));
591
592struct ipr_hostrcb_type_01_error {
593 __be32 seek_counter;
594 __be32 read_counter;
595 u8 sense_data[32];
596 __be32 ioa_data[236];
597}__attribute__((packed, aligned (4)));
598
599struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600600 struct ipr_vpd ioa_vpd;
601 struct ipr_vpd cfc_vpd;
602 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
603 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605}__attribute__((packed, aligned (4)));
606
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600607struct ipr_hostrcb_type_12_error {
608 struct ipr_ext_vpd ioa_vpd;
609 struct ipr_ext_vpd cfc_vpd;
610 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
611 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
612 __be32 ioa_data[3];
613}__attribute__((packed, aligned (4)));
614
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600616 struct ipr_vpd ioa_vpd;
617 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 __be32 errors_detected;
619 __be32 errors_logged;
620 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600621 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622}__attribute__((packed, aligned (4)));
623
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600624struct ipr_hostrcb_type_13_error {
625 struct ipr_ext_vpd ioa_vpd;
626 struct ipr_ext_vpd cfc_vpd;
627 __be32 errors_detected;
628 __be32 errors_logged;
629 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
630}__attribute__((packed, aligned (4)));
631
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600633 struct ipr_vpd ioa_vpd;
634 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635 u8 ioa_data[12];
636 struct ipr_hostrcb_array_data_entry array_member[10];
637 __be32 exposed_mode_adn;
638 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600639 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 __be32 ioa_data2;
641 struct ipr_hostrcb_array_data_entry array_member2[8];
642 struct ipr_res_addr last_func_vset_res_addr;
643 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
644 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645}__attribute__((packed, aligned (4)));
646
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600647struct ipr_hostrcb_type_14_error {
648 struct ipr_ext_vpd ioa_vpd;
649 struct ipr_ext_vpd cfc_vpd;
650 __be32 exposed_mode_adn;
651 __be32 array_id;
652 struct ipr_res_addr last_func_vset_res_addr;
653 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
654 u8 protection_level[8];
655 __be32 num_entries;
656 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
657}__attribute__((packed, aligned (4)));
658
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600659struct ipr_hostrcb_type_07_error {
660 u8 failure_reason[64];
661 struct ipr_vpd vpd;
662 u32 data[222];
663}__attribute__((packed, aligned (4)));
664
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600665struct ipr_hostrcb_type_17_error {
666 u8 failure_reason[64];
667 struct ipr_ext_vpd vpd;
668 u32 data[476];
669}__attribute__((packed, aligned (4)));
670
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671struct ipr_hostrcb_error {
672 __be32 failing_dev_ioasc;
673 struct ipr_res_addr failing_dev_res_addr;
674 __be32 failing_dev_res_handle;
675 __be32 prc;
676 union {
677 struct ipr_hostrcb_type_ff_error type_ff_error;
678 struct ipr_hostrcb_type_01_error type_01_error;
679 struct ipr_hostrcb_type_02_error type_02_error;
680 struct ipr_hostrcb_type_03_error type_03_error;
681 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600682 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600683 struct ipr_hostrcb_type_12_error type_12_error;
684 struct ipr_hostrcb_type_13_error type_13_error;
685 struct ipr_hostrcb_type_14_error type_14_error;
686 struct ipr_hostrcb_type_17_error type_17_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 } u;
688}__attribute__((packed, aligned (4)));
689
690struct ipr_hostrcb_raw {
691 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
692}__attribute__((packed, aligned (4)));
693
694struct ipr_hcam {
695 u8 op_code;
696#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
697#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
698
699 u8 notify_type;
700#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
701#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
702#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
703#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
704#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
705
706 u8 notifications_lost;
707#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
708#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
709
710 u8 flags;
711#define IPR_HOSTRCB_INTERNAL_OPER 0x80
712#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
713
714 u8 overlay_id;
715#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
716#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
717#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
718#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
719#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600720#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600721#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
722#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
723#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
724#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
725#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
727
728 u8 reserved1[3];
729 __be32 ilid;
730 __be32 time_since_last_ioa_reset;
731 __be32 reserved2;
732 __be32 length;
733
734 union {
735 struct ipr_hostrcb_error error;
736 struct ipr_hostrcb_cfg_ch_not ccn;
737 struct ipr_hostrcb_raw raw;
738 } u;
739}__attribute__((packed, aligned (4)));
740
741struct ipr_hostrcb {
742 struct ipr_hcam hcam;
743 dma_addr_t hostrcb_dma;
744 struct list_head queue;
745};
746
747/* IPR smart dump table structures */
748struct ipr_sdt_entry {
749 __be32 bar_str_offset;
750 __be32 end_offset;
751 u8 entry_byte;
752 u8 reserved[3];
753
754 u8 flags;
755#define IPR_SDT_ENDIAN 0x80
756#define IPR_SDT_VALID_ENTRY 0x20
757
758 u8 resv;
759 __be16 priority;
760}__attribute__((packed, aligned (4)));
761
762struct ipr_sdt_header {
763 __be32 state;
764 __be32 num_entries;
765 __be32 num_entries_used;
766 __be32 dump_size;
767}__attribute__((packed, aligned (4)));
768
769struct ipr_sdt {
770 struct ipr_sdt_header hdr;
771 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
772}__attribute__((packed, aligned (4)));
773
774struct ipr_uc_sdt {
775 struct ipr_sdt_header hdr;
776 struct ipr_sdt_entry entry[1];
777}__attribute__((packed, aligned (4)));
778
779/*
780 * Driver types
781 */
782struct ipr_bus_attributes {
783 u8 bus;
784 u8 qas_enabled;
785 u8 bus_width;
786 u8 reserved;
787 u32 max_xfer_rate;
788};
789
790struct ipr_resource_entry {
791 struct ipr_config_table_entry cfgte;
792 u8 needs_sync_complete:1;
793 u8 in_erp:1;
794 u8 add_to_ml:1;
795 u8 del_from_ml:1;
796 u8 resetting_device:1;
797
798 struct scsi_device *sdev;
799 struct list_head queue;
800};
801
802struct ipr_resource_hdr {
803 u16 num_entries;
804 u16 reserved;
805};
806
807struct ipr_resource_table {
808 struct ipr_resource_hdr hdr;
809 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
810};
811
812struct ipr_misc_cbs {
813 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600814 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815 struct ipr_inquiry_page3 page3_data;
816 struct ipr_mode_pages mode_pages;
817 struct ipr_supported_device supp_dev;
818};
819
820struct ipr_interrupt_offsets {
821 unsigned long set_interrupt_mask_reg;
822 unsigned long clr_interrupt_mask_reg;
823 unsigned long sense_interrupt_mask_reg;
824 unsigned long clr_interrupt_reg;
825
826 unsigned long sense_interrupt_reg;
827 unsigned long ioarrin_reg;
828 unsigned long sense_uproc_interrupt_reg;
829 unsigned long set_uproc_interrupt_reg;
830 unsigned long clr_uproc_interrupt_reg;
831};
832
833struct ipr_interrupts {
834 void __iomem *set_interrupt_mask_reg;
835 void __iomem *clr_interrupt_mask_reg;
836 void __iomem *sense_interrupt_mask_reg;
837 void __iomem *clr_interrupt_reg;
838
839 void __iomem *sense_interrupt_reg;
840 void __iomem *ioarrin_reg;
841 void __iomem *sense_uproc_interrupt_reg;
842 void __iomem *set_uproc_interrupt_reg;
843 void __iomem *clr_uproc_interrupt_reg;
844};
845
846struct ipr_chip_cfg_t {
847 u32 mailbox;
848 u8 cache_line_size;
849 struct ipr_interrupt_offsets regs;
850};
851
852struct ipr_chip_t {
853 u16 vendor;
854 u16 device;
855 const struct ipr_chip_cfg_t *cfg;
856};
857
858enum ipr_shutdown_type {
859 IPR_SHUTDOWN_NORMAL = 0x00,
860 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
861 IPR_SHUTDOWN_ABBREV = 0x80,
862 IPR_SHUTDOWN_NONE = 0x100
863};
864
865struct ipr_trace_entry {
866 u32 time;
867
868 u8 op_code;
869 u8 type;
870#define IPR_TRACE_START 0x00
871#define IPR_TRACE_FINISH 0xff
872 u16 cmd_index;
873
874 __be32 res_handle;
875 union {
876 u32 ioasc;
877 u32 add_data;
878 u32 res_addr;
879 } u;
880};
881
882struct ipr_sglist {
883 u32 order;
884 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -0600885 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700886 u32 buffer_len;
887 struct scatterlist scatterlist[1];
888};
889
890enum ipr_sdt_state {
891 INACTIVE,
892 WAIT_FOR_DUMP,
893 GET_DUMP,
894 ABORT_DUMP,
895 DUMP_OBTAINED
896};
897
brking@us.ibm.com62275042005-11-01 17:01:14 -0600898enum ipr_cache_state {
899 CACHE_NONE,
900 CACHE_DISABLED,
901 CACHE_ENABLED,
902 CACHE_INVALID
903};
904
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905/* Per-controller data */
906struct ipr_ioa_cfg {
907 char eye_catcher[8];
908#define IPR_EYECATCHER "iprcfg"
909
910 struct list_head queue;
911
912 u8 allow_interrupts:1;
913 u8 in_reset_reload:1;
914 u8 in_ioa_bringdown:1;
915 u8 ioa_unit_checked:1;
916 u8 ioa_is_dead:1;
917 u8 dump_taken:1;
918 u8 allow_cmds:1;
919 u8 allow_ml_add_del:1;
920
brking@us.ibm.com62275042005-11-01 17:01:14 -0600921 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922 u16 type; /* CCIN of the card */
923
924 u8 log_level;
925#define IPR_MAX_LOG_LEVEL 4
926#define IPR_DEFAULT_LOG_LEVEL 2
927
928#define IPR_NUM_TRACE_INDEX_BITS 8
929#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
930#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
931 char trace_start[8];
932#define IPR_TRACE_START_LABEL "trace"
933 struct ipr_trace_entry *trace;
934 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
935
936 /*
937 * Queue for free command blocks
938 */
939 char ipr_free_label[8];
940#define IPR_FREEQ_LABEL "free-q"
941 struct list_head free_q;
942
943 /*
944 * Queue for command blocks outstanding to the adapter
945 */
946 char ipr_pending_label[8];
947#define IPR_PENDQ_LABEL "pend-q"
948 struct list_head pending_q;
949
950 char cfg_table_start[8];
951#define IPR_CFG_TBL_START "cfg"
952 struct ipr_config_table *cfg_table;
953 dma_addr_t cfg_table_dma;
954
955 char resource_table_label[8];
956#define IPR_RES_TABLE_LABEL "res_tbl"
957 struct ipr_resource_entry *res_entries;
958 struct list_head free_res_q;
959 struct list_head used_res_q;
960
961 char ipr_hcam_label[8];
962#define IPR_HCAM_LABEL "hcams"
963 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
964 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
965 struct list_head hostrcb_free_q;
966 struct list_head hostrcb_pending_q;
967
968 __be32 *host_rrq;
969 dma_addr_t host_rrq_dma;
970#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
971#define IPR_HRRQ_RESP_BIT_SET 0x00000002
972#define IPR_HRRQ_TOGGLE_BIT 0x00000001
973#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
974 volatile __be32 *hrrq_start;
975 volatile __be32 *hrrq_end;
976 volatile __be32 *hrrq_curr;
977 volatile u32 toggle_bit;
978
979 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
980
981 const struct ipr_chip_cfg_t *chip_cfg;
982
983 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
984 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
985 void __iomem *ioa_mailbox;
986 struct ipr_interrupts regs;
987
988 u16 saved_pcix_cmd_reg;
989 u16 reset_retries;
990
991 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600992 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700993
994 struct Scsi_Host *host;
995 struct pci_dev *pdev;
996 struct ipr_sglist *ucode_sglist;
997 struct ipr_mode_pages *saved_mode_pages;
998 u8 saved_mode_page_len;
999
1000 struct work_struct work_q;
1001
1002 wait_queue_head_t reset_wait_q;
1003
1004 struct ipr_dump *dump;
1005 enum ipr_sdt_state sdt_state;
1006
1007 struct ipr_misc_cbs *vpd_cbs;
1008 dma_addr_t vpd_cbs_dma;
1009
1010 struct pci_pool *ipr_cmd_pool;
1011
1012 struct ipr_cmnd *reset_cmd;
1013
1014 char ipr_cmd_label[8];
1015#define IPR_CMD_LABEL "ipr_cmnd"
1016 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1017 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1018};
1019
1020struct ipr_cmnd {
1021 struct ipr_ioarcb ioarcb;
1022 struct ipr_ioasa ioasa;
1023 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1024 struct list_head queue;
1025 struct scsi_cmnd *scsi_cmd;
1026 struct completion completion;
1027 struct timer_list timer;
1028 void (*done) (struct ipr_cmnd *);
1029 int (*job_step) (struct ipr_cmnd *);
1030 u16 cmd_index;
1031 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1032 dma_addr_t sense_buffer_dma;
1033 unsigned short dma_use_sg;
1034 dma_addr_t dma_handle;
1035 struct ipr_cmnd *sibling;
1036 union {
1037 enum ipr_shutdown_type shutdown_type;
1038 struct ipr_hostrcb *hostrcb;
1039 unsigned long time_left;
1040 unsigned long scratch;
1041 struct ipr_resource_entry *res;
1042 struct scsi_device *sdev;
1043 } u;
1044
1045 struct ipr_ioa_cfg *ioa_cfg;
1046};
1047
1048struct ipr_ses_table_entry {
1049 char product_id[17];
1050 char compare_product_id_byte[17];
1051 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1052};
1053
1054struct ipr_dump_header {
1055 u32 eye_catcher;
1056#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1057 u32 len;
1058 u32 num_entries;
1059 u32 first_entry_offset;
1060 u32 status;
1061#define IPR_DUMP_STATUS_SUCCESS 0
1062#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1063#define IPR_DUMP_STATUS_FAILED 0xffffffff
1064 u32 os;
1065#define IPR_DUMP_OS_LINUX 0x4C4E5558
1066 u32 driver_name;
1067#define IPR_DUMP_DRIVER_NAME 0x49505232
1068}__attribute__((packed, aligned (4)));
1069
1070struct ipr_dump_entry_header {
1071 u32 eye_catcher;
1072#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1073 u32 len;
1074 u32 num_elems;
1075 u32 offset;
1076 u32 data_type;
1077#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1078#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1079 u32 id;
1080#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1081#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1082#define IPR_DUMP_TRACE_ID 0x54524143
1083#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1084#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1085#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1086#define IPR_DUMP_PEND_OPS 0x414F5053
1087 u32 status;
1088}__attribute__((packed, aligned (4)));
1089
1090struct ipr_dump_location_entry {
1091 struct ipr_dump_entry_header hdr;
1092 u8 location[BUS_ID_SIZE];
1093}__attribute__((packed));
1094
1095struct ipr_dump_trace_entry {
1096 struct ipr_dump_entry_header hdr;
1097 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1098}__attribute__((packed, aligned (4)));
1099
1100struct ipr_dump_version_entry {
1101 struct ipr_dump_entry_header hdr;
1102 u8 version[sizeof(IPR_DRIVER_VERSION)];
1103};
1104
1105struct ipr_dump_ioa_type_entry {
1106 struct ipr_dump_entry_header hdr;
1107 u32 type;
1108 u32 fw_version;
1109};
1110
1111struct ipr_driver_dump {
1112 struct ipr_dump_header hdr;
1113 struct ipr_dump_version_entry version_entry;
1114 struct ipr_dump_location_entry location_entry;
1115 struct ipr_dump_ioa_type_entry ioa_type_entry;
1116 struct ipr_dump_trace_entry trace_entry;
1117}__attribute__((packed));
1118
1119struct ipr_ioa_dump {
1120 struct ipr_dump_entry_header hdr;
1121 struct ipr_sdt sdt;
1122 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1123 u32 reserved;
1124 u32 next_page_index;
1125 u32 page_offset;
1126 u32 format;
1127#define IPR_SDT_FMT2 2
1128#define IPR_SDT_UNKNOWN 3
1129}__attribute__((packed, aligned (4)));
1130
1131struct ipr_dump {
1132 struct kref kref;
1133 struct ipr_ioa_cfg *ioa_cfg;
1134 struct ipr_driver_dump driver_dump;
1135 struct ipr_ioa_dump ioa_dump;
1136};
1137
1138struct ipr_error_table_t {
1139 u32 ioasc;
1140 int log_ioasa;
1141 int log_hcam;
1142 char *error;
1143};
1144
1145struct ipr_software_inq_lid_info {
1146 __be32 load_id;
1147 __be32 timestamp[3];
1148}__attribute__((packed, aligned (4)));
1149
1150struct ipr_ucode_image_header {
1151 __be32 header_length;
1152 __be32 lid_table_offset;
1153 u8 major_release;
1154 u8 card_type;
1155 u8 minor_release[2];
1156 u8 reserved[20];
1157 char eyecatcher[16];
1158 __be32 num_lids;
1159 struct ipr_software_inq_lid_info lid[1];
1160}__attribute__((packed, aligned (4)));
1161
1162/*
1163 * Macros
1164 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001165#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001166
1167#ifdef CONFIG_SCSI_IPR_TRACE
1168#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1169#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1170#else
1171#define ipr_create_trace_file(kobj, attr) 0
1172#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1173#endif
1174
1175#ifdef CONFIG_SCSI_IPR_DUMP
1176#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1177#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1178#else
1179#define ipr_create_dump_file(kobj, attr) 0
1180#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1181#endif
1182
1183/*
1184 * Error logging macros
1185 */
1186#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1187#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1188#define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1189#define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1190#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1191
Jeff Garzik017560f2005-10-24 18:04:36 -04001192#define ipr_sdev_printk(level, sdev, fmt, args...) \
1193 sdev_printk(level, sdev, fmt, ## args)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194
1195#define ipr_sdev_err(sdev, fmt, ...) \
1196 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1197
1198#define ipr_sdev_info(sdev, fmt, ...) \
1199 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1200
1201#define ipr_sdev_dbg(sdev, fmt, ...) \
1202 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1203
1204#define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1205 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1206 res.bus, res.target, res.lun, ##__VA_ARGS__)
1207
1208#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1209 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1210#define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1211 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1212
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001213#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1214{ \
1215 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1216 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1217 } else { \
1218 ipr_err(fmt": %d:%d:%d:%d\n", \
1219 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1220 (res).bus, (res).target, (res).lun); \
1221 } \
1222}
1223
Linus Torvalds1da177e2005-04-16 15:20:36 -07001224#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1225 __FILE__, __FUNCTION__, __LINE__)
1226
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001227#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1228#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001229
1230#define ipr_err_separator \
1231ipr_err("----------------------------------------------------------\n")
1232
1233
1234/*
1235 * Inlines
1236 */
1237
1238/**
1239 * ipr_is_ioa_resource - Determine if a resource is the IOA
1240 * @res: resource entry struct
1241 *
1242 * Return value:
1243 * 1 if IOA / 0 if not IOA
1244 **/
1245static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1246{
1247 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1248}
1249
1250/**
1251 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1252 * @res: resource entry struct
1253 *
1254 * Return value:
1255 * 1 if AF DASD / 0 if not AF DASD
1256 **/
1257static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1258{
1259 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1260 !ipr_is_ioa_resource(res) &&
1261 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1262 return 1;
1263 else
1264 return 0;
1265}
1266
1267/**
1268 * ipr_is_vset_device - Determine if a resource is a VSET
1269 * @res: resource entry struct
1270 *
1271 * Return value:
1272 * 1 if VSET / 0 if not VSET
1273 **/
1274static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1275{
1276 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1277 !ipr_is_ioa_resource(res) &&
1278 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1279 return 1;
1280 else
1281 return 0;
1282}
1283
1284/**
1285 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1286 * @res: resource entry struct
1287 *
1288 * Return value:
1289 * 1 if GSCSI / 0 if not GSCSI
1290 **/
1291static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1292{
1293 if (!ipr_is_ioa_resource(res) &&
1294 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1295 return 1;
1296 else
1297 return 0;
1298}
1299
1300/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001301 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1302 * @res: resource entry struct
1303 *
1304 * Return value:
1305 * 1 if NACA queueing model / 0 if not NACA queueing model
1306 **/
1307static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1308{
1309 if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
1310 return 1;
1311 return 0;
1312}
1313
1314/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001315 * ipr_is_device - Determine if resource address is that of a device
1316 * @res_addr: resource address struct
1317 *
1318 * Return value:
1319 * 1 if AF / 0 if not AF
1320 **/
1321static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1322{
1323 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1324 (res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
1325 return 1;
1326
1327 return 0;
1328}
1329
1330/**
1331 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1332 * @sdt_word: SDT address
1333 *
1334 * Return value:
1335 * 1 if format 2 / 0 if not
1336 **/
1337static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1338{
1339 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1340
1341 switch (bar_sel) {
1342 case IPR_SDT_FMT2_BAR0_SEL:
1343 case IPR_SDT_FMT2_BAR1_SEL:
1344 case IPR_SDT_FMT2_BAR2_SEL:
1345 case IPR_SDT_FMT2_BAR3_SEL:
1346 case IPR_SDT_FMT2_BAR4_SEL:
1347 case IPR_SDT_FMT2_BAR5_SEL:
1348 case IPR_SDT_FMT2_EXP_ROM_SEL:
1349 return 1;
1350 };
1351
1352 return 0;
1353}
1354
1355#endif