blob: b639332131f1b8cb7dd251cfbdf58af919553a55 [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.comce155cc2005-11-17 09:35:12 -060039#define IPR_DRIVER_VERSION "2.1.1"
40#define IPR_DRIVER_DATE "(November 15, 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
brking@us.ibm.com86f51432005-11-01 17:02:42 -060064#define IPR_SUBS_DEV_ID_571F 0x02D5
65#define IPR_SUBS_DEV_ID_572A 0x02C1
66#define IPR_SUBS_DEV_ID_572B 0x02C2
67#define IPR_SUBS_DEV_ID_575B 0x030D
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
69#define IPR_NAME "ipr"
70
71/*
72 * Return codes
73 */
74#define IPR_RC_JOB_CONTINUE 1
75#define IPR_RC_JOB_RETURN 2
76
77/*
78 * IOASCs
79 */
80#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
81#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
82#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
83#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
84#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
85#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
86#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
brking@us.ibm.comdfed8232005-11-01 17:02:55 -060087#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
Linus Torvalds1da177e2005-04-16 15:20:36 -070088#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -060089#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
90#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -070091#define IPR_IOASC_BUS_WAS_RESET 0x06290000
92#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
93#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
94
95#define IPR_FIRST_DRIVER_IOASC 0x10000000
96#define IPR_IOASC_IOA_WAS_RESET 0x10000001
97#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
98
99#define IPR_NUM_LOG_HCAMS 2
100#define IPR_NUM_CFG_CHG_HCAMS 2
101#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600102#define IPR_MAX_NUM_TARGETS_PER_BUS 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103#define IPR_MAX_NUM_LUNS_PER_TARGET 256
104#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
105#define IPR_VSET_BUS 0xff
106#define IPR_IOA_BUS 0xff
107#define IPR_IOA_TARGET 0xff
108#define IPR_IOA_LUN 0xff
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600109#define IPR_MAX_NUM_BUSES 8
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
111
112#define IPR_NUM_RESET_RELOAD_RETRIES 3
113
114/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
115#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
116 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
117
118#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
119#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
120 IPR_NUM_INTERNAL_CMD_BLKS)
121
122#define IPR_MAX_PHYSICAL_DEVS 192
123
124#define IPR_MAX_SGLIST 64
125#define IPR_IOA_MAX_SECTORS 32767
126#define IPR_VSET_MAX_SECTORS 512
127#define IPR_MAX_CDB_LEN 16
128
129#define IPR_DEFAULT_BUS_WIDTH 16
130#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
131#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
132#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
133#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
134
135#define IPR_IOA_RES_HANDLE 0xffffffff
136#define IPR_IOA_RES_ADDR 0x00ffffff
137
138/*
139 * Adapter Commands
140 */
141#define IPR_QUERY_RSRC_STATE 0xC2
142#define IPR_RESET_DEVICE 0xC3
143#define IPR_RESET_TYPE_SELECT 0x80
144#define IPR_LUN_RESET 0x40
145#define IPR_TARGET_RESET 0x20
146#define IPR_BUS_RESET 0x10
147#define IPR_ID_HOST_RR_Q 0xC4
148#define IPR_QUERY_IOA_CONFIG 0xC5
149#define IPR_CANCEL_ALL_REQUESTS 0xCE
150#define IPR_HOST_CONTROLLED_ASYNC 0xCF
151#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
152#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
153#define IPR_SET_SUPPORTED_DEVICES 0xFB
154#define IPR_IOA_SHUTDOWN 0xF7
155#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
156
157/*
158 * Timeouts
159 */
160#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
161#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
162#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
163#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
164#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
165#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
166#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
167#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
168#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
169#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
170#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
171#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
172#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
173#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
174#define IPR_DUMP_TIMEOUT (15 * HZ)
175
176/*
177 * SCSI Literals
178 */
179#define IPR_VENDOR_ID_LEN 8
180#define IPR_PROD_ID_LEN 16
181#define IPR_SERIAL_NUM_LEN 8
182
183/*
184 * Hardware literals
185 */
186#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
187#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
188#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
189#define IPR_GET_FMT2_BAR_SEL(mbx) \
190(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
191#define IPR_SDT_FMT2_BAR0_SEL 0x0
192#define IPR_SDT_FMT2_BAR1_SEL 0x1
193#define IPR_SDT_FMT2_BAR2_SEL 0x2
194#define IPR_SDT_FMT2_BAR3_SEL 0x3
195#define IPR_SDT_FMT2_BAR4_SEL 0x4
196#define IPR_SDT_FMT2_BAR5_SEL 0x5
197#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
198#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
199#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600200#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201
202#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
203#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
204#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
205#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
206#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
207#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
208#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
209#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
210#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
211#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
212#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
213
214#define IPR_PCII_ERROR_INTERRUPTS \
215(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
216IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
217
218#define IPR_PCII_OPER_INTERRUPTS \
219(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
220
221#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
222#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
223
224#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
225#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
226
227/*
228 * Dump literals
229 */
230#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
231#define IPR_NUM_SDT_ENTRIES 511
232#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
233
234/*
235 * Misc literals
236 */
237#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
238
239/*
240 * Adapter interface types
241 */
242
243struct ipr_res_addr {
244 u8 reserved;
245 u8 bus;
246 u8 target;
247 u8 lun;
248#define IPR_GET_PHYS_LOC(res_addr) \
249 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
250}__attribute__((packed, aligned (4)));
251
252struct ipr_std_inq_vpids {
253 u8 vendor_id[IPR_VENDOR_ID_LEN];
254 u8 product_id[IPR_PROD_ID_LEN];
255}__attribute__((packed));
256
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600257struct ipr_vpd {
258 struct ipr_std_inq_vpids vpids;
259 u8 sn[IPR_SERIAL_NUM_LEN];
260}__attribute__((packed));
261
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600262struct ipr_ext_vpd {
263 struct ipr_vpd vpd;
264 __be32 wwid[2];
265}__attribute__((packed));
266
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267struct ipr_std_inq_data {
268 u8 peri_qual_dev_type;
269#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
270#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
271
272 u8 removeable_medium_rsvd;
273#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
274
275#define IPR_IS_DASD_DEVICE(std_inq) \
276((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
277!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
278
279#define IPR_IS_SES_DEVICE(std_inq) \
280(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
281
282 u8 version;
283 u8 aen_naca_fmt;
284 u8 additional_len;
285 u8 sccs_rsvd;
286 u8 bq_enc_multi;
287 u8 sync_cmdq_flags;
288
289 struct ipr_std_inq_vpids vpids;
290
291 u8 ros_rsvd_ram_rsvd[4];
292
293 u8 serial_num[IPR_SERIAL_NUM_LEN];
294}__attribute__ ((packed));
295
296struct ipr_config_table_entry {
297 u8 service_level;
298 u8 array_id;
299 u8 flags;
300#define IPR_IS_IOA_RESOURCE 0x80
301#define IPR_IS_ARRAY_MEMBER 0x20
302#define IPR_IS_HOT_SPARE 0x10
303
304 u8 rsvd_subtype;
305#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
306#define IPR_SUBTYPE_AF_DASD 0
307#define IPR_SUBTYPE_GENERIC_SCSI 1
308#define IPR_SUBTYPE_VOLUME_SET 2
309
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600310#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
311#define IPR_QUEUE_FROZEN_MODEL 0
312#define IPR_QUEUE_NACA_MODEL 1
313
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 struct ipr_res_addr res_addr;
315 __be32 res_handle;
316 __be32 reserved4[2];
317 struct ipr_std_inq_data std_inq_data;
318}__attribute__ ((packed, aligned (4)));
319
320struct ipr_config_table_hdr {
321 u8 num_entries;
322 u8 flags;
323#define IPR_UCODE_DOWNLOAD_REQ 0x10
324 __be16 reserved;
325}__attribute__((packed, aligned (4)));
326
327struct ipr_config_table {
328 struct ipr_config_table_hdr hdr;
329 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
330}__attribute__((packed, aligned (4)));
331
332struct ipr_hostrcb_cfg_ch_not {
333 struct ipr_config_table_entry cfgte;
334 u8 reserved[936];
335}__attribute__((packed, aligned (4)));
336
337struct ipr_supported_device {
338 __be16 data_length;
339 u8 reserved;
340 u8 num_records;
341 struct ipr_std_inq_vpids vpids;
342 u8 reserved2[16];
343}__attribute__((packed, aligned (4)));
344
345/* Command packet structure */
346struct ipr_cmd_pkt {
347 __be16 reserved; /* Reserved by IOA */
348 u8 request_type;
349#define IPR_RQTYPE_SCSICDB 0x00
350#define IPR_RQTYPE_IOACMD 0x01
351#define IPR_RQTYPE_HCAM 0x02
352
353 u8 luntar_luntrn;
354
355 u8 flags_hi;
356#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
357#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
358#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
359#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
360#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
361
362 u8 flags_lo;
363#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
364#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
365#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
366#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
367#define IPR_FLAGS_LO_ORDERED_TASK 0x04
368#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
369#define IPR_FLAGS_LO_ACA_TASK 0x08
370
371 u8 cdb[16];
372 __be16 timeout;
373}__attribute__ ((packed, aligned(4)));
374
375/* IOA Request Control Block 128 bytes */
376struct ipr_ioarcb {
377 __be32 ioarcb_host_pci_addr;
378 __be32 reserved;
379 __be32 res_handle;
380 __be32 host_response_handle;
381 __be32 reserved1;
382 __be32 reserved2;
383 __be32 reserved3;
384
385 __be32 write_data_transfer_length;
386 __be32 read_data_transfer_length;
387 __be32 write_ioadl_addr;
388 __be32 write_ioadl_len;
389 __be32 read_ioadl_addr;
390 __be32 read_ioadl_len;
391
392 __be32 ioasa_host_pci_addr;
393 __be16 ioasa_len;
394 __be16 reserved4;
395
396 struct ipr_cmd_pkt cmd_pkt;
397
398 __be32 add_cmd_parms_len;
399 __be32 add_cmd_parms[10];
400}__attribute__((packed, aligned (4)));
401
402struct ipr_ioadl_desc {
403 __be32 flags_and_data_len;
404#define IPR_IOADL_FLAGS_MASK 0xff000000
405#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
406#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
407#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
408#define IPR_IOADL_FLAGS_READ 0x48000000
409#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
410#define IPR_IOADL_FLAGS_WRITE 0x68000000
411#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
412#define IPR_IOADL_FLAGS_LAST 0x01000000
413
414 __be32 address;
415}__attribute__((packed, aligned (8)));
416
417struct ipr_ioasa_vset {
418 __be32 failing_lba_hi;
419 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600420 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421}__attribute__((packed, aligned (4)));
422
423struct ipr_ioasa_af_dasd {
424 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600425 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426}__attribute__((packed, aligned (4)));
427
428struct ipr_ioasa_gpdd {
429 u8 end_state;
430 u8 bus_phase;
431 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600432 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433}__attribute__((packed, aligned (4)));
434
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600435struct ipr_auto_sense {
436 __be16 auto_sense_len;
437 __be16 ioa_data_len;
438 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
439};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440
441struct ipr_ioasa {
442 __be32 ioasc;
443#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
444#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
445#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
446#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
447
448 __be16 ret_stat_len; /* Length of the returned IOASA */
449
450 __be16 avail_stat_len; /* Total Length of status available. */
451
452 __be32 residual_data_len; /* number of bytes in the host data */
453 /* buffers that were not used by the IOARCB command. */
454
455 __be32 ilid;
456#define IPR_NO_ILID 0
457#define IPR_DRIVER_ILID 0xffffffff
458
459 __be32 fd_ioasc;
460
461 __be32 fd_phys_locator;
462
463 __be32 fd_res_handle;
464
465 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600466#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
467#define IPR_AUTOSENSE_VALID 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
469#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
470#define IPR_FIELD_POINTER_MASK 0x0000ffff
471
472 union {
473 struct ipr_ioasa_vset vset;
474 struct ipr_ioasa_af_dasd dasd;
475 struct ipr_ioasa_gpdd gpdd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600477
478 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479}__attribute__((packed, aligned (4)));
480
481struct ipr_mode_parm_hdr {
482 u8 length;
483 u8 medium_type;
484 u8 device_spec_parms;
485 u8 block_desc_len;
486}__attribute__((packed));
487
488struct ipr_mode_pages {
489 struct ipr_mode_parm_hdr hdr;
490 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
491}__attribute__((packed));
492
493struct ipr_mode_page_hdr {
494 u8 ps_page_code;
495#define IPR_MODE_PAGE_PS 0x80
496#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
497 u8 page_length;
498}__attribute__ ((packed));
499
500struct ipr_dev_bus_entry {
501 struct ipr_res_addr res_addr;
502 u8 flags;
503#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
504#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
505#define IPR_SCSI_ATTR_QAS_MASK 0xC0
506#define IPR_SCSI_ATTR_ENABLE_TM 0x20
507#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
508#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
509#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
510
511 u8 scsi_id;
512 u8 bus_width;
513 u8 extended_reset_delay;
514#define IPR_EXTENDED_RESET_DELAY 7
515
516 __be32 max_xfer_rate;
517
518 u8 spinup_delay;
519 u8 reserved3;
520 __be16 reserved4;
521}__attribute__((packed, aligned (4)));
522
523struct ipr_mode_page28 {
524 struct ipr_mode_page_hdr hdr;
525 u8 num_entries;
526 u8 entry_length;
527 struct ipr_dev_bus_entry bus[0];
528}__attribute__((packed));
529
530struct ipr_ioa_vpd {
531 struct ipr_std_inq_data std_inq_data;
532 u8 ascii_part_num[12];
533 u8 reserved[40];
534 u8 ascii_plant_code[4];
535}__attribute__((packed));
536
537struct ipr_inquiry_page3 {
538 u8 peri_qual_dev_type;
539 u8 page_code;
540 u8 reserved1;
541 u8 page_length;
542 u8 ascii_len;
543 u8 reserved2[3];
544 u8 load_id[4];
545 u8 major_release;
546 u8 card_type;
547 u8 minor_release[2];
548 u8 ptf_number[4];
549 u8 patch_number[4];
550}__attribute__((packed));
551
brking@us.ibm.com62275042005-11-01 17:01:14 -0600552#define IPR_INQUIRY_PAGE0_ENTRIES 20
553struct ipr_inquiry_page0 {
554 u8 peri_qual_dev_type;
555 u8 page_code;
556 u8 reserved1;
557 u8 len;
558 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
559}__attribute__((packed));
560
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600562 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600564 struct ipr_vpd new_vpd;
565 struct ipr_vpd ioa_last_with_dev_vpd;
566 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567 __be32 ioa_data[5];
568}__attribute__((packed, aligned (4)));
569
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600570struct ipr_hostrcb_device_data_entry_enhanced {
571 struct ipr_ext_vpd vpd;
572 u8 ccin[4];
573 struct ipr_res_addr dev_res_addr;
574 struct ipr_ext_vpd new_vpd;
575 u8 new_ccin[4];
576 struct ipr_ext_vpd ioa_last_with_dev_vpd;
577 struct ipr_ext_vpd cfc_last_with_dev_vpd;
578}__attribute__((packed, aligned (4)));
579
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600581 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582 struct ipr_res_addr expected_dev_res_addr;
583 struct ipr_res_addr dev_res_addr;
584}__attribute__((packed, aligned (4)));
585
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600586struct ipr_hostrcb_array_data_entry_enhanced {
587 struct ipr_ext_vpd vpd;
588 u8 ccin[4];
589 struct ipr_res_addr expected_dev_res_addr;
590 struct ipr_res_addr dev_res_addr;
591}__attribute__((packed, aligned (4)));
592
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600594 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700595}__attribute__((packed, aligned (4)));
596
597struct ipr_hostrcb_type_01_error {
598 __be32 seek_counter;
599 __be32 read_counter;
600 u8 sense_data[32];
601 __be32 ioa_data[236];
602}__attribute__((packed, aligned (4)));
603
604struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600605 struct ipr_vpd ioa_vpd;
606 struct ipr_vpd cfc_vpd;
607 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
608 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610}__attribute__((packed, aligned (4)));
611
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600612struct ipr_hostrcb_type_12_error {
613 struct ipr_ext_vpd ioa_vpd;
614 struct ipr_ext_vpd cfc_vpd;
615 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
616 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
617 __be32 ioa_data[3];
618}__attribute__((packed, aligned (4)));
619
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600621 struct ipr_vpd ioa_vpd;
622 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623 __be32 errors_detected;
624 __be32 errors_logged;
625 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600626 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627}__attribute__((packed, aligned (4)));
628
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600629struct ipr_hostrcb_type_13_error {
630 struct ipr_ext_vpd ioa_vpd;
631 struct ipr_ext_vpd cfc_vpd;
632 __be32 errors_detected;
633 __be32 errors_logged;
634 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
635}__attribute__((packed, aligned (4)));
636
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600638 struct ipr_vpd ioa_vpd;
639 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 u8 ioa_data[12];
641 struct ipr_hostrcb_array_data_entry array_member[10];
642 __be32 exposed_mode_adn;
643 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600644 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645 __be32 ioa_data2;
646 struct ipr_hostrcb_array_data_entry array_member2[8];
647 struct ipr_res_addr last_func_vset_res_addr;
648 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
649 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700650}__attribute__((packed, aligned (4)));
651
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600652struct ipr_hostrcb_type_14_error {
653 struct ipr_ext_vpd ioa_vpd;
654 struct ipr_ext_vpd cfc_vpd;
655 __be32 exposed_mode_adn;
656 __be32 array_id;
657 struct ipr_res_addr last_func_vset_res_addr;
658 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
659 u8 protection_level[8];
660 __be32 num_entries;
661 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
662}__attribute__((packed, aligned (4)));
663
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600664struct ipr_hostrcb_type_07_error {
665 u8 failure_reason[64];
666 struct ipr_vpd vpd;
667 u32 data[222];
668}__attribute__((packed, aligned (4)));
669
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600670struct ipr_hostrcb_type_17_error {
671 u8 failure_reason[64];
672 struct ipr_ext_vpd vpd;
673 u32 data[476];
674}__attribute__((packed, aligned (4)));
675
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676struct ipr_hostrcb_error {
677 __be32 failing_dev_ioasc;
678 struct ipr_res_addr failing_dev_res_addr;
679 __be32 failing_dev_res_handle;
680 __be32 prc;
681 union {
682 struct ipr_hostrcb_type_ff_error type_ff_error;
683 struct ipr_hostrcb_type_01_error type_01_error;
684 struct ipr_hostrcb_type_02_error type_02_error;
685 struct ipr_hostrcb_type_03_error type_03_error;
686 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600687 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600688 struct ipr_hostrcb_type_12_error type_12_error;
689 struct ipr_hostrcb_type_13_error type_13_error;
690 struct ipr_hostrcb_type_14_error type_14_error;
691 struct ipr_hostrcb_type_17_error type_17_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692 } u;
693}__attribute__((packed, aligned (4)));
694
695struct ipr_hostrcb_raw {
696 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
697}__attribute__((packed, aligned (4)));
698
699struct ipr_hcam {
700 u8 op_code;
701#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
702#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
703
704 u8 notify_type;
705#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
706#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
707#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
708#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
709#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
710
711 u8 notifications_lost;
712#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
713#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
714
715 u8 flags;
716#define IPR_HOSTRCB_INTERNAL_OPER 0x80
717#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
718
719 u8 overlay_id;
720#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
721#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
722#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
723#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
724#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600725#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600726#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
727#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
728#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
729#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
730#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700731#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
732
733 u8 reserved1[3];
734 __be32 ilid;
735 __be32 time_since_last_ioa_reset;
736 __be32 reserved2;
737 __be32 length;
738
739 union {
740 struct ipr_hostrcb_error error;
741 struct ipr_hostrcb_cfg_ch_not ccn;
742 struct ipr_hostrcb_raw raw;
743 } u;
744}__attribute__((packed, aligned (4)));
745
746struct ipr_hostrcb {
747 struct ipr_hcam hcam;
748 dma_addr_t hostrcb_dma;
749 struct list_head queue;
750};
751
752/* IPR smart dump table structures */
753struct ipr_sdt_entry {
754 __be32 bar_str_offset;
755 __be32 end_offset;
756 u8 entry_byte;
757 u8 reserved[3];
758
759 u8 flags;
760#define IPR_SDT_ENDIAN 0x80
761#define IPR_SDT_VALID_ENTRY 0x20
762
763 u8 resv;
764 __be16 priority;
765}__attribute__((packed, aligned (4)));
766
767struct ipr_sdt_header {
768 __be32 state;
769 __be32 num_entries;
770 __be32 num_entries_used;
771 __be32 dump_size;
772}__attribute__((packed, aligned (4)));
773
774struct ipr_sdt {
775 struct ipr_sdt_header hdr;
776 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
777}__attribute__((packed, aligned (4)));
778
779struct ipr_uc_sdt {
780 struct ipr_sdt_header hdr;
781 struct ipr_sdt_entry entry[1];
782}__attribute__((packed, aligned (4)));
783
784/*
785 * Driver types
786 */
787struct ipr_bus_attributes {
788 u8 bus;
789 u8 qas_enabled;
790 u8 bus_width;
791 u8 reserved;
792 u32 max_xfer_rate;
793};
794
795struct ipr_resource_entry {
796 struct ipr_config_table_entry cfgte;
797 u8 needs_sync_complete:1;
798 u8 in_erp:1;
799 u8 add_to_ml:1;
800 u8 del_from_ml:1;
801 u8 resetting_device:1;
802
803 struct scsi_device *sdev;
804 struct list_head queue;
805};
806
807struct ipr_resource_hdr {
808 u16 num_entries;
809 u16 reserved;
810};
811
812struct ipr_resource_table {
813 struct ipr_resource_hdr hdr;
814 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
815};
816
817struct ipr_misc_cbs {
818 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600819 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700820 struct ipr_inquiry_page3 page3_data;
821 struct ipr_mode_pages mode_pages;
822 struct ipr_supported_device supp_dev;
823};
824
825struct ipr_interrupt_offsets {
826 unsigned long set_interrupt_mask_reg;
827 unsigned long clr_interrupt_mask_reg;
828 unsigned long sense_interrupt_mask_reg;
829 unsigned long clr_interrupt_reg;
830
831 unsigned long sense_interrupt_reg;
832 unsigned long ioarrin_reg;
833 unsigned long sense_uproc_interrupt_reg;
834 unsigned long set_uproc_interrupt_reg;
835 unsigned long clr_uproc_interrupt_reg;
836};
837
838struct ipr_interrupts {
839 void __iomem *set_interrupt_mask_reg;
840 void __iomem *clr_interrupt_mask_reg;
841 void __iomem *sense_interrupt_mask_reg;
842 void __iomem *clr_interrupt_reg;
843
844 void __iomem *sense_interrupt_reg;
845 void __iomem *ioarrin_reg;
846 void __iomem *sense_uproc_interrupt_reg;
847 void __iomem *set_uproc_interrupt_reg;
848 void __iomem *clr_uproc_interrupt_reg;
849};
850
851struct ipr_chip_cfg_t {
852 u32 mailbox;
853 u8 cache_line_size;
854 struct ipr_interrupt_offsets regs;
855};
856
857struct ipr_chip_t {
858 u16 vendor;
859 u16 device;
860 const struct ipr_chip_cfg_t *cfg;
861};
862
863enum ipr_shutdown_type {
864 IPR_SHUTDOWN_NORMAL = 0x00,
865 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
866 IPR_SHUTDOWN_ABBREV = 0x80,
867 IPR_SHUTDOWN_NONE = 0x100
868};
869
870struct ipr_trace_entry {
871 u32 time;
872
873 u8 op_code;
874 u8 type;
875#define IPR_TRACE_START 0x00
876#define IPR_TRACE_FINISH 0xff
877 u16 cmd_index;
878
879 __be32 res_handle;
880 union {
881 u32 ioasc;
882 u32 add_data;
883 u32 res_addr;
884 } u;
885};
886
887struct ipr_sglist {
888 u32 order;
889 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -0600890 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700891 u32 buffer_len;
892 struct scatterlist scatterlist[1];
893};
894
895enum ipr_sdt_state {
896 INACTIVE,
897 WAIT_FOR_DUMP,
898 GET_DUMP,
899 ABORT_DUMP,
900 DUMP_OBTAINED
901};
902
brking@us.ibm.com62275042005-11-01 17:01:14 -0600903enum ipr_cache_state {
904 CACHE_NONE,
905 CACHE_DISABLED,
906 CACHE_ENABLED,
907 CACHE_INVALID
908};
909
Linus Torvalds1da177e2005-04-16 15:20:36 -0700910/* Per-controller data */
911struct ipr_ioa_cfg {
912 char eye_catcher[8];
913#define IPR_EYECATCHER "iprcfg"
914
915 struct list_head queue;
916
917 u8 allow_interrupts:1;
918 u8 in_reset_reload:1;
919 u8 in_ioa_bringdown:1;
920 u8 ioa_unit_checked:1;
921 u8 ioa_is_dead:1;
922 u8 dump_taken:1;
923 u8 allow_cmds:1;
924 u8 allow_ml_add_del:1;
brking@us.ibm.comce155cc2005-11-17 09:35:12 -0600925 u8 needs_hard_reset:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700926
brking@us.ibm.com62275042005-11-01 17:01:14 -0600927 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700928 u16 type; /* CCIN of the card */
929
930 u8 log_level;
931#define IPR_MAX_LOG_LEVEL 4
932#define IPR_DEFAULT_LOG_LEVEL 2
933
934#define IPR_NUM_TRACE_INDEX_BITS 8
935#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
936#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
937 char trace_start[8];
938#define IPR_TRACE_START_LABEL "trace"
939 struct ipr_trace_entry *trace;
940 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
941
942 /*
943 * Queue for free command blocks
944 */
945 char ipr_free_label[8];
946#define IPR_FREEQ_LABEL "free-q"
947 struct list_head free_q;
948
949 /*
950 * Queue for command blocks outstanding to the adapter
951 */
952 char ipr_pending_label[8];
953#define IPR_PENDQ_LABEL "pend-q"
954 struct list_head pending_q;
955
956 char cfg_table_start[8];
957#define IPR_CFG_TBL_START "cfg"
958 struct ipr_config_table *cfg_table;
959 dma_addr_t cfg_table_dma;
960
961 char resource_table_label[8];
962#define IPR_RES_TABLE_LABEL "res_tbl"
963 struct ipr_resource_entry *res_entries;
964 struct list_head free_res_q;
965 struct list_head used_res_q;
966
967 char ipr_hcam_label[8];
968#define IPR_HCAM_LABEL "hcams"
969 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
970 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
971 struct list_head hostrcb_free_q;
972 struct list_head hostrcb_pending_q;
973
974 __be32 *host_rrq;
975 dma_addr_t host_rrq_dma;
976#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
977#define IPR_HRRQ_RESP_BIT_SET 0x00000002
978#define IPR_HRRQ_TOGGLE_BIT 0x00000001
979#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
980 volatile __be32 *hrrq_start;
981 volatile __be32 *hrrq_end;
982 volatile __be32 *hrrq_curr;
983 volatile u32 toggle_bit;
984
985 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
986
987 const struct ipr_chip_cfg_t *chip_cfg;
988
989 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
990 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
991 void __iomem *ioa_mailbox;
992 struct ipr_interrupts regs;
993
994 u16 saved_pcix_cmd_reg;
995 u16 reset_retries;
996
997 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600998 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999
1000 struct Scsi_Host *host;
1001 struct pci_dev *pdev;
1002 struct ipr_sglist *ucode_sglist;
1003 struct ipr_mode_pages *saved_mode_pages;
1004 u8 saved_mode_page_len;
1005
1006 struct work_struct work_q;
1007
1008 wait_queue_head_t reset_wait_q;
1009
1010 struct ipr_dump *dump;
1011 enum ipr_sdt_state sdt_state;
1012
1013 struct ipr_misc_cbs *vpd_cbs;
1014 dma_addr_t vpd_cbs_dma;
1015
1016 struct pci_pool *ipr_cmd_pool;
1017
1018 struct ipr_cmnd *reset_cmd;
1019
1020 char ipr_cmd_label[8];
1021#define IPR_CMD_LABEL "ipr_cmnd"
1022 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1023 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1024};
1025
1026struct ipr_cmnd {
1027 struct ipr_ioarcb ioarcb;
1028 struct ipr_ioasa ioasa;
1029 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1030 struct list_head queue;
1031 struct scsi_cmnd *scsi_cmd;
1032 struct completion completion;
1033 struct timer_list timer;
1034 void (*done) (struct ipr_cmnd *);
1035 int (*job_step) (struct ipr_cmnd *);
brking@us.ibm.comdfed8232005-11-01 17:02:55 -06001036 int (*job_step_failed) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037 u16 cmd_index;
1038 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1039 dma_addr_t sense_buffer_dma;
1040 unsigned short dma_use_sg;
1041 dma_addr_t dma_handle;
1042 struct ipr_cmnd *sibling;
1043 union {
1044 enum ipr_shutdown_type shutdown_type;
1045 struct ipr_hostrcb *hostrcb;
1046 unsigned long time_left;
1047 unsigned long scratch;
1048 struct ipr_resource_entry *res;
1049 struct scsi_device *sdev;
1050 } u;
1051
1052 struct ipr_ioa_cfg *ioa_cfg;
1053};
1054
1055struct ipr_ses_table_entry {
1056 char product_id[17];
1057 char compare_product_id_byte[17];
1058 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1059};
1060
1061struct ipr_dump_header {
1062 u32 eye_catcher;
1063#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1064 u32 len;
1065 u32 num_entries;
1066 u32 first_entry_offset;
1067 u32 status;
1068#define IPR_DUMP_STATUS_SUCCESS 0
1069#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1070#define IPR_DUMP_STATUS_FAILED 0xffffffff
1071 u32 os;
1072#define IPR_DUMP_OS_LINUX 0x4C4E5558
1073 u32 driver_name;
1074#define IPR_DUMP_DRIVER_NAME 0x49505232
1075}__attribute__((packed, aligned (4)));
1076
1077struct ipr_dump_entry_header {
1078 u32 eye_catcher;
1079#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1080 u32 len;
1081 u32 num_elems;
1082 u32 offset;
1083 u32 data_type;
1084#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1085#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1086 u32 id;
1087#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1088#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1089#define IPR_DUMP_TRACE_ID 0x54524143
1090#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1091#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1092#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1093#define IPR_DUMP_PEND_OPS 0x414F5053
1094 u32 status;
1095}__attribute__((packed, aligned (4)));
1096
1097struct ipr_dump_location_entry {
1098 struct ipr_dump_entry_header hdr;
1099 u8 location[BUS_ID_SIZE];
1100}__attribute__((packed));
1101
1102struct ipr_dump_trace_entry {
1103 struct ipr_dump_entry_header hdr;
1104 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1105}__attribute__((packed, aligned (4)));
1106
1107struct ipr_dump_version_entry {
1108 struct ipr_dump_entry_header hdr;
1109 u8 version[sizeof(IPR_DRIVER_VERSION)];
1110};
1111
1112struct ipr_dump_ioa_type_entry {
1113 struct ipr_dump_entry_header hdr;
1114 u32 type;
1115 u32 fw_version;
1116};
1117
1118struct ipr_driver_dump {
1119 struct ipr_dump_header hdr;
1120 struct ipr_dump_version_entry version_entry;
1121 struct ipr_dump_location_entry location_entry;
1122 struct ipr_dump_ioa_type_entry ioa_type_entry;
1123 struct ipr_dump_trace_entry trace_entry;
1124}__attribute__((packed));
1125
1126struct ipr_ioa_dump {
1127 struct ipr_dump_entry_header hdr;
1128 struct ipr_sdt sdt;
1129 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1130 u32 reserved;
1131 u32 next_page_index;
1132 u32 page_offset;
1133 u32 format;
1134#define IPR_SDT_FMT2 2
1135#define IPR_SDT_UNKNOWN 3
1136}__attribute__((packed, aligned (4)));
1137
1138struct ipr_dump {
1139 struct kref kref;
1140 struct ipr_ioa_cfg *ioa_cfg;
1141 struct ipr_driver_dump driver_dump;
1142 struct ipr_ioa_dump ioa_dump;
1143};
1144
1145struct ipr_error_table_t {
1146 u32 ioasc;
1147 int log_ioasa;
1148 int log_hcam;
1149 char *error;
1150};
1151
1152struct ipr_software_inq_lid_info {
1153 __be32 load_id;
1154 __be32 timestamp[3];
1155}__attribute__((packed, aligned (4)));
1156
1157struct ipr_ucode_image_header {
1158 __be32 header_length;
1159 __be32 lid_table_offset;
1160 u8 major_release;
1161 u8 card_type;
1162 u8 minor_release[2];
1163 u8 reserved[20];
1164 char eyecatcher[16];
1165 __be32 num_lids;
1166 struct ipr_software_inq_lid_info lid[1];
1167}__attribute__((packed, aligned (4)));
1168
1169/*
1170 * Macros
1171 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001172#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001173
1174#ifdef CONFIG_SCSI_IPR_TRACE
1175#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1176#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1177#else
1178#define ipr_create_trace_file(kobj, attr) 0
1179#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1180#endif
1181
1182#ifdef CONFIG_SCSI_IPR_DUMP
1183#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1184#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1185#else
1186#define ipr_create_dump_file(kobj, attr) 0
1187#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1188#endif
1189
1190/*
1191 * Error logging macros
1192 */
1193#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1194#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1195#define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1196#define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1197#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1198
Jeff Garzik017560f2005-10-24 18:04:36 -04001199#define ipr_sdev_printk(level, sdev, fmt, args...) \
1200 sdev_printk(level, sdev, fmt, ## args)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001201
1202#define ipr_sdev_err(sdev, fmt, ...) \
1203 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1204
1205#define ipr_sdev_info(sdev, fmt, ...) \
1206 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1207
1208#define ipr_sdev_dbg(sdev, fmt, ...) \
1209 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1210
1211#define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1212 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1213 res.bus, res.target, res.lun, ##__VA_ARGS__)
1214
1215#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1216 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1217#define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1218 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1219
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001220#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1221{ \
1222 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1223 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1224 } else { \
1225 ipr_err(fmt": %d:%d:%d:%d\n", \
1226 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1227 (res).bus, (res).target, (res).lun); \
1228 } \
1229}
1230
Linus Torvalds1da177e2005-04-16 15:20:36 -07001231#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1232 __FILE__, __FUNCTION__, __LINE__)
1233
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001234#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1235#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236
1237#define ipr_err_separator \
1238ipr_err("----------------------------------------------------------\n")
1239
1240
1241/*
1242 * Inlines
1243 */
1244
1245/**
1246 * ipr_is_ioa_resource - Determine if a resource is the IOA
1247 * @res: resource entry struct
1248 *
1249 * Return value:
1250 * 1 if IOA / 0 if not IOA
1251 **/
1252static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1253{
1254 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1255}
1256
1257/**
1258 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1259 * @res: resource entry struct
1260 *
1261 * Return value:
1262 * 1 if AF DASD / 0 if not AF DASD
1263 **/
1264static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1265{
1266 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1267 !ipr_is_ioa_resource(res) &&
1268 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1269 return 1;
1270 else
1271 return 0;
1272}
1273
1274/**
1275 * ipr_is_vset_device - Determine if a resource is a VSET
1276 * @res: resource entry struct
1277 *
1278 * Return value:
1279 * 1 if VSET / 0 if not VSET
1280 **/
1281static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1282{
1283 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1284 !ipr_is_ioa_resource(res) &&
1285 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1286 return 1;
1287 else
1288 return 0;
1289}
1290
1291/**
1292 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1293 * @res: resource entry struct
1294 *
1295 * Return value:
1296 * 1 if GSCSI / 0 if not GSCSI
1297 **/
1298static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1299{
1300 if (!ipr_is_ioa_resource(res) &&
1301 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1302 return 1;
1303 else
1304 return 0;
1305}
1306
1307/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001308 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1309 * @res: resource entry struct
1310 *
1311 * Return value:
1312 * 1 if NACA queueing model / 0 if not NACA queueing model
1313 **/
1314static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1315{
1316 if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
1317 return 1;
1318 return 0;
1319}
1320
1321/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001322 * ipr_is_device - Determine if resource address is that of a device
1323 * @res_addr: resource address struct
1324 *
1325 * Return value:
1326 * 1 if AF / 0 if not AF
1327 **/
1328static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1329{
1330 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -06001331 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332 return 1;
1333
1334 return 0;
1335}
1336
1337/**
1338 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1339 * @sdt_word: SDT address
1340 *
1341 * Return value:
1342 * 1 if format 2 / 0 if not
1343 **/
1344static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1345{
1346 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1347
1348 switch (bar_sel) {
1349 case IPR_SDT_FMT2_BAR0_SEL:
1350 case IPR_SDT_FMT2_BAR1_SEL:
1351 case IPR_SDT_FMT2_BAR2_SEL:
1352 case IPR_SDT_FMT2_BAR3_SEL:
1353 case IPR_SDT_FMT2_BAR4_SEL:
1354 case IPR_SDT_FMT2_BAR5_SEL:
1355 case IPR_SDT_FMT2_EXP_ROM_SEL:
1356 return 1;
1357 };
1358
1359 return 0;
1360}
1361
1362#endif