blob: 88f285de97bb22ab45c607c8026da1dd0438830e [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>
Brian King35a39692006-09-25 12:39:20 -050031#include <linux/libata.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <linux/list.h>
33#include <linux/kref.h>
34#include <scsi/scsi.h>
35#include <scsi/scsi_cmnd.h>
36
37/*
38 * Literals
39 */
Brian King9cd065a2007-01-23 11:25:43 -060040#define IPR_DRIVER_VERSION "2.3.1"
41#define IPR_DRIVER_DATE "(January 23, 2007)"
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
45 * ops per device for devices not running tagged command queuing.
46 * This can be adjusted at runtime through sysfs device attributes.
47 */
48#define IPR_MAX_CMD_PER_LUN 6
Brian Kingb5145d22006-08-02 14:57:36 -050049#define IPR_MAX_CMD_PER_ATA_LUN 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51/*
52 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
53 * ops the mid-layer can send to the adapter.
54 */
55#define IPR_NUM_BASE_CMD_BLKS 100
56
Brian King60e74862006-11-21 10:28:10 -060057#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
58
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define IPR_SUBS_DEV_ID_2780 0x0264
60#define IPR_SUBS_DEV_ID_5702 0x0266
61#define IPR_SUBS_DEV_ID_5703 0x0278
62#define IPR_SUBS_DEV_ID_572E 0x028D
63#define IPR_SUBS_DEV_ID_573E 0x02D3
64#define IPR_SUBS_DEV_ID_573D 0x02D4
65#define IPR_SUBS_DEV_ID_571A 0x02C0
66#define IPR_SUBS_DEV_ID_571B 0x02BE
67#define IPR_SUBS_DEV_ID_571E 0x02BF
brking@us.ibm.com86f51432005-11-01 17:02:42 -060068#define IPR_SUBS_DEV_ID_571F 0x02D5
69#define IPR_SUBS_DEV_ID_572A 0x02C1
70#define IPR_SUBS_DEV_ID_572B 0x02C2
Brian King60e74862006-11-21 10:28:10 -060071#define IPR_SUBS_DEV_ID_572F 0x02C3
brking@us.ibm.com86f51432005-11-01 17:02:42 -060072#define IPR_SUBS_DEV_ID_575B 0x030D
Brian King60e74862006-11-21 10:28:10 -060073#define IPR_SUBS_DEV_ID_575C 0x0338
74#define IPR_SUBS_DEV_ID_57B7 0x0360
75#define IPR_SUBS_DEV_ID_57B8 0x02C2
Linus Torvalds1da177e2005-04-16 15:20:36 -070076
77#define IPR_NAME "ipr"
78
79/*
80 * Return codes
81 */
82#define IPR_RC_JOB_CONTINUE 1
83#define IPR_RC_JOB_RETURN 2
84
85/*
86 * IOASCs
87 */
88#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
89#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
90#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
91#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
92#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
93#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
94#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
brking@us.ibm.comdfed8232005-11-01 17:02:55 -060095#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
Linus Torvalds1da177e2005-04-16 15:20:36 -070096#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -060097#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
98#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -070099#define IPR_IOASC_BUS_WAS_RESET 0x06290000
100#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
101#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
102
103#define IPR_FIRST_DRIVER_IOASC 0x10000000
104#define IPR_IOASC_IOA_WAS_RESET 0x10000001
105#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
106
Brian Kingac719ab2006-11-21 10:28:42 -0600107#define IPR_DEFAULT_MAX_ERROR_DUMP 984
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108#define IPR_NUM_LOG_HCAMS 2
109#define IPR_NUM_CFG_CHG_HCAMS 2
110#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600111#define IPR_MAX_NUM_TARGETS_PER_BUS 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112#define IPR_MAX_NUM_LUNS_PER_TARGET 256
113#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
114#define IPR_VSET_BUS 0xff
115#define IPR_IOA_BUS 0xff
116#define IPR_IOA_TARGET 0xff
117#define IPR_IOA_LUN 0xff
Brian Kingb5145d22006-08-02 14:57:36 -0500118#define IPR_MAX_NUM_BUSES 16
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
120
121#define IPR_NUM_RESET_RELOAD_RETRIES 3
122
123/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
124#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
125 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
126
127#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
128#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
129 IPR_NUM_INTERNAL_CMD_BLKS)
130
131#define IPR_MAX_PHYSICAL_DEVS 192
132
133#define IPR_MAX_SGLIST 64
134#define IPR_IOA_MAX_SECTORS 32767
135#define IPR_VSET_MAX_SECTORS 512
136#define IPR_MAX_CDB_LEN 16
137
138#define IPR_DEFAULT_BUS_WIDTH 16
139#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
140#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
141#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
142#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
143
144#define IPR_IOA_RES_HANDLE 0xffffffff
Brian King1121b792006-03-29 09:37:16 -0600145#define IPR_INVALID_RES_HANDLE 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146#define IPR_IOA_RES_ADDR 0x00ffffff
147
148/*
149 * Adapter Commands
150 */
151#define IPR_QUERY_RSRC_STATE 0xC2
152#define IPR_RESET_DEVICE 0xC3
153#define IPR_RESET_TYPE_SELECT 0x80
154#define IPR_LUN_RESET 0x40
155#define IPR_TARGET_RESET 0x20
156#define IPR_BUS_RESET 0x10
Brian Kingb5145d22006-08-02 14:57:36 -0500157#define IPR_ATA_PHY_RESET 0x80
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158#define IPR_ID_HOST_RR_Q 0xC4
159#define IPR_QUERY_IOA_CONFIG 0xC5
160#define IPR_CANCEL_ALL_REQUESTS 0xCE
161#define IPR_HOST_CONTROLLED_ASYNC 0xCF
162#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
163#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
164#define IPR_SET_SUPPORTED_DEVICES 0xFB
165#define IPR_IOA_SHUTDOWN 0xF7
166#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
167
168/*
169 * Timeouts
170 */
171#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
172#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
173#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
174#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
175#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
176#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
177#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
178#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
179#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
180#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
181#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
182#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
183#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
184#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
185#define IPR_DUMP_TIMEOUT (15 * HZ)
186
187/*
188 * SCSI Literals
189 */
190#define IPR_VENDOR_ID_LEN 8
191#define IPR_PROD_ID_LEN 16
192#define IPR_SERIAL_NUM_LEN 8
193
194/*
195 * Hardware literals
196 */
197#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
198#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
199#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
200#define IPR_GET_FMT2_BAR_SEL(mbx) \
201(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
202#define IPR_SDT_FMT2_BAR0_SEL 0x0
203#define IPR_SDT_FMT2_BAR1_SEL 0x1
204#define IPR_SDT_FMT2_BAR2_SEL 0x2
205#define IPR_SDT_FMT2_BAR3_SEL 0x3
206#define IPR_SDT_FMT2_BAR4_SEL 0x4
207#define IPR_SDT_FMT2_BAR5_SEL 0x5
208#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
209#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
210#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600211#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212
213#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
214#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
215#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
216#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
217#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
218#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
219#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
220#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
221#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
222#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
223#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
224
225#define IPR_PCII_ERROR_INTERRUPTS \
226(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
227IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
228
229#define IPR_PCII_OPER_INTERRUPTS \
230(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
231
232#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
233#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
234
235#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
236#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
237
238/*
239 * Dump literals
240 */
241#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
242#define IPR_NUM_SDT_ENTRIES 511
243#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
244
245/*
246 * Misc literals
247 */
248#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
249
250/*
251 * Adapter interface types
252 */
253
254struct ipr_res_addr {
255 u8 reserved;
256 u8 bus;
257 u8 target;
258 u8 lun;
259#define IPR_GET_PHYS_LOC(res_addr) \
260 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
261}__attribute__((packed, aligned (4)));
262
263struct ipr_std_inq_vpids {
264 u8 vendor_id[IPR_VENDOR_ID_LEN];
265 u8 product_id[IPR_PROD_ID_LEN];
266}__attribute__((packed));
267
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600268struct ipr_vpd {
269 struct ipr_std_inq_vpids vpids;
270 u8 sn[IPR_SERIAL_NUM_LEN];
271}__attribute__((packed));
272
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600273struct ipr_ext_vpd {
274 struct ipr_vpd vpd;
275 __be32 wwid[2];
276}__attribute__((packed));
277
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278struct ipr_std_inq_data {
279 u8 peri_qual_dev_type;
280#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
281#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
282
283 u8 removeable_medium_rsvd;
284#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
285
286#define IPR_IS_DASD_DEVICE(std_inq) \
287((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
288!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
289
290#define IPR_IS_SES_DEVICE(std_inq) \
291(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
292
293 u8 version;
294 u8 aen_naca_fmt;
295 u8 additional_len;
296 u8 sccs_rsvd;
297 u8 bq_enc_multi;
298 u8 sync_cmdq_flags;
299
300 struct ipr_std_inq_vpids vpids;
301
302 u8 ros_rsvd_ram_rsvd[4];
303
304 u8 serial_num[IPR_SERIAL_NUM_LEN];
305}__attribute__ ((packed));
306
307struct ipr_config_table_entry {
Brian Kingb5145d22006-08-02 14:57:36 -0500308 u8 proto;
309#define IPR_PROTO_SATA 0x02
310#define IPR_PROTO_SATA_ATAPI 0x03
311#define IPR_PROTO_SAS_STP 0x06
312#define IPR_PROTO_SAS_STP_ATAPI 0x07
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313 u8 array_id;
314 u8 flags;
315#define IPR_IS_IOA_RESOURCE 0x80
316#define IPR_IS_ARRAY_MEMBER 0x20
317#define IPR_IS_HOT_SPARE 0x10
318
319 u8 rsvd_subtype;
320#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
321#define IPR_SUBTYPE_AF_DASD 0
322#define IPR_SUBTYPE_GENERIC_SCSI 1
323#define IPR_SUBTYPE_VOLUME_SET 2
Brian Kingb5145d22006-08-02 14:57:36 -0500324#define IPR_SUBTYPE_GENERIC_ATA 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600326#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
327#define IPR_QUEUE_FROZEN_MODEL 0
328#define IPR_QUEUE_NACA_MODEL 1
329
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330 struct ipr_res_addr res_addr;
331 __be32 res_handle;
332 __be32 reserved4[2];
333 struct ipr_std_inq_data std_inq_data;
334}__attribute__ ((packed, aligned (4)));
335
336struct ipr_config_table_hdr {
337 u8 num_entries;
338 u8 flags;
339#define IPR_UCODE_DOWNLOAD_REQ 0x10
340 __be16 reserved;
341}__attribute__((packed, aligned (4)));
342
343struct ipr_config_table {
344 struct ipr_config_table_hdr hdr;
345 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
346}__attribute__((packed, aligned (4)));
347
348struct ipr_hostrcb_cfg_ch_not {
349 struct ipr_config_table_entry cfgte;
350 u8 reserved[936];
351}__attribute__((packed, aligned (4)));
352
353struct ipr_supported_device {
354 __be16 data_length;
355 u8 reserved;
356 u8 num_records;
357 struct ipr_std_inq_vpids vpids;
358 u8 reserved2[16];
359}__attribute__((packed, aligned (4)));
360
361/* Command packet structure */
362struct ipr_cmd_pkt {
363 __be16 reserved; /* Reserved by IOA */
364 u8 request_type;
365#define IPR_RQTYPE_SCSICDB 0x00
366#define IPR_RQTYPE_IOACMD 0x01
367#define IPR_RQTYPE_HCAM 0x02
Brian Kingb5145d22006-08-02 14:57:36 -0500368#define IPR_RQTYPE_ATA_PASSTHRU 0x04
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369
370 u8 luntar_luntrn;
371
372 u8 flags_hi;
373#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
374#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
375#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
376#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
377#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
378
379 u8 flags_lo;
380#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
381#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
382#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
383#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
384#define IPR_FLAGS_LO_ORDERED_TASK 0x04
385#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
386#define IPR_FLAGS_LO_ACA_TASK 0x08
387
388 u8 cdb[16];
389 __be16 timeout;
390}__attribute__ ((packed, aligned(4)));
391
Brian Kingb5145d22006-08-02 14:57:36 -0500392struct ipr_ioarcb_ata_regs {
393 u8 flags;
394#define IPR_ATA_FLAG_PACKET_CMD 0x80
395#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
396#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
397 u8 reserved[3];
398
399 __be16 data;
400 u8 feature;
401 u8 nsect;
402 u8 lbal;
403 u8 lbam;
404 u8 lbah;
405 u8 device;
406 u8 command;
407 u8 reserved2[3];
408 u8 hob_feature;
409 u8 hob_nsect;
410 u8 hob_lbal;
411 u8 hob_lbam;
412 u8 hob_lbah;
413 u8 ctl;
414}__attribute__ ((packed, aligned(4)));
415
416struct ipr_ioarcb_add_data {
417 union {
418 struct ipr_ioarcb_ata_regs regs;
419 __be32 add_cmd_parms[10];
420 }u;
421}__attribute__ ((packed, aligned(4)));
422
Linus Torvalds1da177e2005-04-16 15:20:36 -0700423/* IOA Request Control Block 128 bytes */
424struct ipr_ioarcb {
425 __be32 ioarcb_host_pci_addr;
426 __be32 reserved;
427 __be32 res_handle;
428 __be32 host_response_handle;
429 __be32 reserved1;
430 __be32 reserved2;
431 __be32 reserved3;
432
433 __be32 write_data_transfer_length;
434 __be32 read_data_transfer_length;
435 __be32 write_ioadl_addr;
436 __be32 write_ioadl_len;
437 __be32 read_ioadl_addr;
438 __be32 read_ioadl_len;
439
440 __be32 ioasa_host_pci_addr;
441 __be16 ioasa_len;
442 __be16 reserved4;
443
444 struct ipr_cmd_pkt cmd_pkt;
445
446 __be32 add_cmd_parms_len;
Brian Kingb5145d22006-08-02 14:57:36 -0500447 struct ipr_ioarcb_add_data add_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448}__attribute__((packed, aligned (4)));
449
450struct ipr_ioadl_desc {
451 __be32 flags_and_data_len;
452#define IPR_IOADL_FLAGS_MASK 0xff000000
453#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
454#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
455#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
456#define IPR_IOADL_FLAGS_READ 0x48000000
457#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
458#define IPR_IOADL_FLAGS_WRITE 0x68000000
459#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
460#define IPR_IOADL_FLAGS_LAST 0x01000000
461
462 __be32 address;
463}__attribute__((packed, aligned (8)));
464
465struct ipr_ioasa_vset {
466 __be32 failing_lba_hi;
467 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600468 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469}__attribute__((packed, aligned (4)));
470
471struct ipr_ioasa_af_dasd {
472 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600473 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474}__attribute__((packed, aligned (4)));
475
476struct ipr_ioasa_gpdd {
477 u8 end_state;
478 u8 bus_phase;
479 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600480 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481}__attribute__((packed, aligned (4)));
482
Brian Kingb5145d22006-08-02 14:57:36 -0500483struct ipr_ioasa_gata {
484 u8 error;
485 u8 nsect; /* Interrupt reason */
486 u8 lbal;
487 u8 lbam;
488 u8 lbah;
489 u8 device;
490 u8 status;
491 u8 alt_status; /* ATA CTL */
492 u8 hob_nsect;
493 u8 hob_lbal;
494 u8 hob_lbam;
495 u8 hob_lbah;
496}__attribute__((packed, aligned (4)));
497
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600498struct ipr_auto_sense {
499 __be16 auto_sense_len;
500 __be16 ioa_data_len;
501 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
502};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700503
504struct ipr_ioasa {
505 __be32 ioasc;
506#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
507#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
508#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
509#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
510
511 __be16 ret_stat_len; /* Length of the returned IOASA */
512
513 __be16 avail_stat_len; /* Total Length of status available. */
514
515 __be32 residual_data_len; /* number of bytes in the host data */
516 /* buffers that were not used by the IOARCB command. */
517
518 __be32 ilid;
519#define IPR_NO_ILID 0
520#define IPR_DRIVER_ILID 0xffffffff
521
522 __be32 fd_ioasc;
523
524 __be32 fd_phys_locator;
525
526 __be32 fd_res_handle;
527
528 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600529#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
530#define IPR_AUTOSENSE_VALID 0x40000000
Brian Kingb5145d22006-08-02 14:57:36 -0500531#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
533#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
534#define IPR_FIELD_POINTER_MASK 0x0000ffff
535
536 union {
537 struct ipr_ioasa_vset vset;
538 struct ipr_ioasa_af_dasd dasd;
539 struct ipr_ioasa_gpdd gpdd;
Brian Kingb5145d22006-08-02 14:57:36 -0500540 struct ipr_ioasa_gata gata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600542
543 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544}__attribute__((packed, aligned (4)));
545
546struct ipr_mode_parm_hdr {
547 u8 length;
548 u8 medium_type;
549 u8 device_spec_parms;
550 u8 block_desc_len;
551}__attribute__((packed));
552
553struct ipr_mode_pages {
554 struct ipr_mode_parm_hdr hdr;
555 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
556}__attribute__((packed));
557
558struct ipr_mode_page_hdr {
559 u8 ps_page_code;
560#define IPR_MODE_PAGE_PS 0x80
561#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
562 u8 page_length;
563}__attribute__ ((packed));
564
565struct ipr_dev_bus_entry {
566 struct ipr_res_addr res_addr;
567 u8 flags;
568#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
569#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
570#define IPR_SCSI_ATTR_QAS_MASK 0xC0
571#define IPR_SCSI_ATTR_ENABLE_TM 0x20
572#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
573#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
574#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
575
576 u8 scsi_id;
577 u8 bus_width;
578 u8 extended_reset_delay;
579#define IPR_EXTENDED_RESET_DELAY 7
580
581 __be32 max_xfer_rate;
582
583 u8 spinup_delay;
584 u8 reserved3;
585 __be16 reserved4;
586}__attribute__((packed, aligned (4)));
587
588struct ipr_mode_page28 {
589 struct ipr_mode_page_hdr hdr;
590 u8 num_entries;
591 u8 entry_length;
592 struct ipr_dev_bus_entry bus[0];
593}__attribute__((packed));
594
595struct ipr_ioa_vpd {
596 struct ipr_std_inq_data std_inq_data;
597 u8 ascii_part_num[12];
598 u8 reserved[40];
599 u8 ascii_plant_code[4];
600}__attribute__((packed));
601
602struct ipr_inquiry_page3 {
603 u8 peri_qual_dev_type;
604 u8 page_code;
605 u8 reserved1;
606 u8 page_length;
607 u8 ascii_len;
608 u8 reserved2[3];
609 u8 load_id[4];
610 u8 major_release;
611 u8 card_type;
612 u8 minor_release[2];
613 u8 ptf_number[4];
614 u8 patch_number[4];
615}__attribute__((packed));
616
brking@us.ibm.com62275042005-11-01 17:01:14 -0600617#define IPR_INQUIRY_PAGE0_ENTRIES 20
618struct ipr_inquiry_page0 {
619 u8 peri_qual_dev_type;
620 u8 page_code;
621 u8 reserved1;
622 u8 len;
623 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
624}__attribute__((packed));
625
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600627 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600629 struct ipr_vpd new_vpd;
630 struct ipr_vpd ioa_last_with_dev_vpd;
631 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632 __be32 ioa_data[5];
633}__attribute__((packed, aligned (4)));
634
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600635struct ipr_hostrcb_device_data_entry_enhanced {
636 struct ipr_ext_vpd vpd;
637 u8 ccin[4];
638 struct ipr_res_addr dev_res_addr;
639 struct ipr_ext_vpd new_vpd;
640 u8 new_ccin[4];
641 struct ipr_ext_vpd ioa_last_with_dev_vpd;
642 struct ipr_ext_vpd cfc_last_with_dev_vpd;
643}__attribute__((packed, aligned (4)));
644
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600646 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647 struct ipr_res_addr expected_dev_res_addr;
648 struct ipr_res_addr dev_res_addr;
649}__attribute__((packed, aligned (4)));
650
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600651struct ipr_hostrcb_array_data_entry_enhanced {
652 struct ipr_ext_vpd vpd;
653 u8 ccin[4];
654 struct ipr_res_addr expected_dev_res_addr;
655 struct ipr_res_addr dev_res_addr;
656}__attribute__((packed, aligned (4)));
657
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600659 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660}__attribute__((packed, aligned (4)));
661
662struct ipr_hostrcb_type_01_error {
663 __be32 seek_counter;
664 __be32 read_counter;
665 u8 sense_data[32];
666 __be32 ioa_data[236];
667}__attribute__((packed, aligned (4)));
668
669struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600670 struct ipr_vpd ioa_vpd;
671 struct ipr_vpd cfc_vpd;
672 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
673 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700674 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675}__attribute__((packed, aligned (4)));
676
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600677struct ipr_hostrcb_type_12_error {
678 struct ipr_ext_vpd ioa_vpd;
679 struct ipr_ext_vpd cfc_vpd;
680 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
681 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
682 __be32 ioa_data[3];
683}__attribute__((packed, aligned (4)));
684
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600686 struct ipr_vpd ioa_vpd;
687 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700688 __be32 errors_detected;
689 __be32 errors_logged;
690 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600691 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692}__attribute__((packed, aligned (4)));
693
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600694struct ipr_hostrcb_type_13_error {
695 struct ipr_ext_vpd ioa_vpd;
696 struct ipr_ext_vpd cfc_vpd;
697 __be32 errors_detected;
698 __be32 errors_logged;
699 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
700}__attribute__((packed, aligned (4)));
701
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600703 struct ipr_vpd ioa_vpd;
704 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700705 u8 ioa_data[12];
706 struct ipr_hostrcb_array_data_entry array_member[10];
707 __be32 exposed_mode_adn;
708 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600709 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710 __be32 ioa_data2;
711 struct ipr_hostrcb_array_data_entry array_member2[8];
712 struct ipr_res_addr last_func_vset_res_addr;
713 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
714 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715}__attribute__((packed, aligned (4)));
716
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600717struct ipr_hostrcb_type_14_error {
718 struct ipr_ext_vpd ioa_vpd;
719 struct ipr_ext_vpd cfc_vpd;
720 __be32 exposed_mode_adn;
721 __be32 array_id;
722 struct ipr_res_addr last_func_vset_res_addr;
723 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
724 u8 protection_level[8];
725 __be32 num_entries;
726 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
727}__attribute__((packed, aligned (4)));
728
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600729struct ipr_hostrcb_type_07_error {
730 u8 failure_reason[64];
731 struct ipr_vpd vpd;
732 u32 data[222];
733}__attribute__((packed, aligned (4)));
734
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600735struct ipr_hostrcb_type_17_error {
736 u8 failure_reason[64];
737 struct ipr_ext_vpd vpd;
738 u32 data[476];
739}__attribute__((packed, aligned (4)));
740
Brian King49dc6a12006-11-21 10:28:35 -0600741struct ipr_hostrcb_config_element {
742 u8 type_status;
743#define IPR_PATH_CFG_TYPE_MASK 0xF0
744#define IPR_PATH_CFG_NOT_EXIST 0x00
745#define IPR_PATH_CFG_IOA_PORT 0x10
746#define IPR_PATH_CFG_EXP_PORT 0x20
747#define IPR_PATH_CFG_DEVICE_PORT 0x30
748#define IPR_PATH_CFG_DEVICE_LUN 0x40
749
750#define IPR_PATH_CFG_STATUS_MASK 0x0F
751#define IPR_PATH_CFG_NO_PROB 0x00
752#define IPR_PATH_CFG_DEGRADED 0x01
753#define IPR_PATH_CFG_FAILED 0x02
754#define IPR_PATH_CFG_SUSPECT 0x03
755#define IPR_PATH_NOT_DETECTED 0x04
756#define IPR_PATH_INCORRECT_CONN 0x05
757
758 u8 cascaded_expander;
759 u8 phy;
760 u8 link_rate;
761#define IPR_PHY_LINK_RATE_MASK 0x0F
762
763 __be32 wwid[2];
764}__attribute__((packed, aligned (4)));
765
766struct ipr_hostrcb_fabric_desc {
767 __be16 length;
768 u8 ioa_port;
769 u8 cascaded_expander;
770 u8 phy;
771 u8 path_state;
772#define IPR_PATH_ACTIVE_MASK 0xC0
773#define IPR_PATH_NO_INFO 0x00
774#define IPR_PATH_ACTIVE 0x40
775#define IPR_PATH_NOT_ACTIVE 0x80
776
777#define IPR_PATH_STATE_MASK 0x0F
778#define IPR_PATH_STATE_NO_INFO 0x00
779#define IPR_PATH_HEALTHY 0x01
780#define IPR_PATH_DEGRADED 0x02
781#define IPR_PATH_FAILED 0x03
782
783 __be16 num_entries;
784 struct ipr_hostrcb_config_element elem[1];
785}__attribute__((packed, aligned (4)));
786
787#define for_each_fabric_cfg(fabric, cfg) \
788 for (cfg = (fabric)->elem; \
789 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
790 cfg++)
791
792struct ipr_hostrcb_type_20_error {
793 u8 failure_reason[64];
794 u8 reserved[3];
795 u8 num_entries;
796 struct ipr_hostrcb_fabric_desc desc[1];
797}__attribute__((packed, aligned (4)));
798
Linus Torvalds1da177e2005-04-16 15:20:36 -0700799struct ipr_hostrcb_error {
800 __be32 failing_dev_ioasc;
801 struct ipr_res_addr failing_dev_res_addr;
802 __be32 failing_dev_res_handle;
803 __be32 prc;
804 union {
805 struct ipr_hostrcb_type_ff_error type_ff_error;
806 struct ipr_hostrcb_type_01_error type_01_error;
807 struct ipr_hostrcb_type_02_error type_02_error;
808 struct ipr_hostrcb_type_03_error type_03_error;
809 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600810 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600811 struct ipr_hostrcb_type_12_error type_12_error;
812 struct ipr_hostrcb_type_13_error type_13_error;
813 struct ipr_hostrcb_type_14_error type_14_error;
814 struct ipr_hostrcb_type_17_error type_17_error;
Brian King49dc6a12006-11-21 10:28:35 -0600815 struct ipr_hostrcb_type_20_error type_20_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700816 } u;
817}__attribute__((packed, aligned (4)));
818
819struct ipr_hostrcb_raw {
820 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
821}__attribute__((packed, aligned (4)));
822
823struct ipr_hcam {
824 u8 op_code;
825#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
826#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
827
828 u8 notify_type;
829#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
830#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
831#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
832#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
833#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
834
835 u8 notifications_lost;
836#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
837#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
838
839 u8 flags;
840#define IPR_HOSTRCB_INTERNAL_OPER 0x80
841#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
842
843 u8 overlay_id;
844#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
845#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
846#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
847#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
848#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600849#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600850#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
851#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
852#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
853#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
854#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Brian King49dc6a12006-11-21 10:28:35 -0600855#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
Linus Torvalds1da177e2005-04-16 15:20:36 -0700856#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
857
858 u8 reserved1[3];
859 __be32 ilid;
860 __be32 time_since_last_ioa_reset;
861 __be32 reserved2;
862 __be32 length;
863
864 union {
865 struct ipr_hostrcb_error error;
866 struct ipr_hostrcb_cfg_ch_not ccn;
867 struct ipr_hostrcb_raw raw;
868 } u;
869}__attribute__((packed, aligned (4)));
870
871struct ipr_hostrcb {
872 struct ipr_hcam hcam;
873 dma_addr_t hostrcb_dma;
874 struct list_head queue;
Brian King49dc6a12006-11-21 10:28:35 -0600875 struct ipr_ioa_cfg *ioa_cfg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700876};
877
878/* IPR smart dump table structures */
879struct ipr_sdt_entry {
880 __be32 bar_str_offset;
881 __be32 end_offset;
882 u8 entry_byte;
883 u8 reserved[3];
884
885 u8 flags;
886#define IPR_SDT_ENDIAN 0x80
887#define IPR_SDT_VALID_ENTRY 0x20
888
889 u8 resv;
890 __be16 priority;
891}__attribute__((packed, aligned (4)));
892
893struct ipr_sdt_header {
894 __be32 state;
895 __be32 num_entries;
896 __be32 num_entries_used;
897 __be32 dump_size;
898}__attribute__((packed, aligned (4)));
899
900struct ipr_sdt {
901 struct ipr_sdt_header hdr;
902 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
903}__attribute__((packed, aligned (4)));
904
905struct ipr_uc_sdt {
906 struct ipr_sdt_header hdr;
907 struct ipr_sdt_entry entry[1];
908}__attribute__((packed, aligned (4)));
909
910/*
911 * Driver types
912 */
913struct ipr_bus_attributes {
914 u8 bus;
915 u8 qas_enabled;
916 u8 bus_width;
917 u8 reserved;
918 u32 max_xfer_rate;
919};
920
Brian King35a39692006-09-25 12:39:20 -0500921struct ipr_sata_port {
922 struct ipr_ioa_cfg *ioa_cfg;
923 struct ata_port *ap;
924 struct ipr_resource_entry *res;
925 struct ipr_ioasa_gata ioasa;
926};
927
Linus Torvalds1da177e2005-04-16 15:20:36 -0700928struct ipr_resource_entry {
929 struct ipr_config_table_entry cfgte;
930 u8 needs_sync_complete:1;
931 u8 in_erp:1;
932 u8 add_to_ml:1;
933 u8 del_from_ml:1;
934 u8 resetting_device:1;
935
936 struct scsi_device *sdev;
Brian King35a39692006-09-25 12:39:20 -0500937 struct ipr_sata_port *sata_port;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700938 struct list_head queue;
939};
940
941struct ipr_resource_hdr {
942 u16 num_entries;
943 u16 reserved;
944};
945
946struct ipr_resource_table {
947 struct ipr_resource_hdr hdr;
948 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
949};
950
951struct ipr_misc_cbs {
952 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600953 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700954 struct ipr_inquiry_page3 page3_data;
955 struct ipr_mode_pages mode_pages;
956 struct ipr_supported_device supp_dev;
957};
958
959struct ipr_interrupt_offsets {
960 unsigned long set_interrupt_mask_reg;
961 unsigned long clr_interrupt_mask_reg;
962 unsigned long sense_interrupt_mask_reg;
963 unsigned long clr_interrupt_reg;
964
965 unsigned long sense_interrupt_reg;
966 unsigned long ioarrin_reg;
967 unsigned long sense_uproc_interrupt_reg;
968 unsigned long set_uproc_interrupt_reg;
969 unsigned long clr_uproc_interrupt_reg;
970};
971
972struct ipr_interrupts {
973 void __iomem *set_interrupt_mask_reg;
974 void __iomem *clr_interrupt_mask_reg;
975 void __iomem *sense_interrupt_mask_reg;
976 void __iomem *clr_interrupt_reg;
977
978 void __iomem *sense_interrupt_reg;
979 void __iomem *ioarrin_reg;
980 void __iomem *sense_uproc_interrupt_reg;
981 void __iomem *set_uproc_interrupt_reg;
982 void __iomem *clr_uproc_interrupt_reg;
983};
984
985struct ipr_chip_cfg_t {
986 u32 mailbox;
987 u8 cache_line_size;
988 struct ipr_interrupt_offsets regs;
989};
990
991struct ipr_chip_t {
992 u16 vendor;
993 u16 device;
994 const struct ipr_chip_cfg_t *cfg;
995};
996
997enum ipr_shutdown_type {
998 IPR_SHUTDOWN_NORMAL = 0x00,
999 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1000 IPR_SHUTDOWN_ABBREV = 0x80,
1001 IPR_SHUTDOWN_NONE = 0x100
1002};
1003
1004struct ipr_trace_entry {
1005 u32 time;
1006
1007 u8 op_code;
Brian King35a39692006-09-25 12:39:20 -05001008 u8 ata_op_code;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001009 u8 type;
1010#define IPR_TRACE_START 0x00
1011#define IPR_TRACE_FINISH 0xff
Brian King35a39692006-09-25 12:39:20 -05001012 u8 cmd_index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013
1014 __be32 res_handle;
1015 union {
1016 u32 ioasc;
1017 u32 add_data;
1018 u32 res_addr;
1019 } u;
1020};
1021
1022struct ipr_sglist {
1023 u32 order;
1024 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -06001025 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001026 u32 buffer_len;
1027 struct scatterlist scatterlist[1];
1028};
1029
1030enum ipr_sdt_state {
1031 INACTIVE,
1032 WAIT_FOR_DUMP,
1033 GET_DUMP,
1034 ABORT_DUMP,
1035 DUMP_OBTAINED
1036};
1037
brking@us.ibm.com62275042005-11-01 17:01:14 -06001038enum ipr_cache_state {
1039 CACHE_NONE,
1040 CACHE_DISABLED,
1041 CACHE_ENABLED,
1042 CACHE_INVALID
1043};
1044
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045/* Per-controller data */
1046struct ipr_ioa_cfg {
1047 char eye_catcher[8];
1048#define IPR_EYECATCHER "iprcfg"
1049
1050 struct list_head queue;
1051
1052 u8 allow_interrupts:1;
1053 u8 in_reset_reload:1;
1054 u8 in_ioa_bringdown:1;
1055 u8 ioa_unit_checked:1;
1056 u8 ioa_is_dead:1;
1057 u8 dump_taken:1;
1058 u8 allow_cmds:1;
1059 u8 allow_ml_add_del:1;
brking@us.ibm.comce155cc2005-11-17 09:35:12 -06001060 u8 needs_hard_reset:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001061
brking@us.ibm.com62275042005-11-01 17:01:14 -06001062 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001063 u16 type; /* CCIN of the card */
1064
1065 u8 log_level;
1066#define IPR_MAX_LOG_LEVEL 4
1067#define IPR_DEFAULT_LOG_LEVEL 2
1068
1069#define IPR_NUM_TRACE_INDEX_BITS 8
1070#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1071#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1072 char trace_start[8];
1073#define IPR_TRACE_START_LABEL "trace"
1074 struct ipr_trace_entry *trace;
1075 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
1076
1077 /*
1078 * Queue for free command blocks
1079 */
1080 char ipr_free_label[8];
1081#define IPR_FREEQ_LABEL "free-q"
1082 struct list_head free_q;
1083
1084 /*
1085 * Queue for command blocks outstanding to the adapter
1086 */
1087 char ipr_pending_label[8];
1088#define IPR_PENDQ_LABEL "pend-q"
1089 struct list_head pending_q;
1090
1091 char cfg_table_start[8];
1092#define IPR_CFG_TBL_START "cfg"
1093 struct ipr_config_table *cfg_table;
1094 dma_addr_t cfg_table_dma;
1095
1096 char resource_table_label[8];
1097#define IPR_RES_TABLE_LABEL "res_tbl"
1098 struct ipr_resource_entry *res_entries;
1099 struct list_head free_res_q;
1100 struct list_head used_res_q;
1101
1102 char ipr_hcam_label[8];
1103#define IPR_HCAM_LABEL "hcams"
1104 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1105 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1106 struct list_head hostrcb_free_q;
1107 struct list_head hostrcb_pending_q;
1108
1109 __be32 *host_rrq;
1110 dma_addr_t host_rrq_dma;
1111#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
1112#define IPR_HRRQ_RESP_BIT_SET 0x00000002
1113#define IPR_HRRQ_TOGGLE_BIT 0x00000001
1114#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
1115 volatile __be32 *hrrq_start;
1116 volatile __be32 *hrrq_end;
1117 volatile __be32 *hrrq_curr;
1118 volatile u32 toggle_bit;
1119
1120 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1121
1122 const struct ipr_chip_cfg_t *chip_cfg;
1123
1124 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1125 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1126 void __iomem *ioa_mailbox;
1127 struct ipr_interrupts regs;
1128
1129 u16 saved_pcix_cmd_reg;
1130 u16 reset_retries;
1131
1132 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -06001133 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001134
1135 struct Scsi_Host *host;
1136 struct pci_dev *pdev;
1137 struct ipr_sglist *ucode_sglist;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138 u8 saved_mode_page_len;
1139
1140 struct work_struct work_q;
1141
1142 wait_queue_head_t reset_wait_q;
1143
1144 struct ipr_dump *dump;
1145 enum ipr_sdt_state sdt_state;
1146
1147 struct ipr_misc_cbs *vpd_cbs;
1148 dma_addr_t vpd_cbs_dma;
1149
1150 struct pci_pool *ipr_cmd_pool;
1151
1152 struct ipr_cmnd *reset_cmd;
1153
Brian King35a39692006-09-25 12:39:20 -05001154 struct ata_host ata_host;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155 char ipr_cmd_label[8];
1156#define IPR_CMD_LABEL "ipr_cmnd"
1157 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1158 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1159};
1160
1161struct ipr_cmnd {
1162 struct ipr_ioarcb ioarcb;
1163 struct ipr_ioasa ioasa;
1164 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1165 struct list_head queue;
1166 struct scsi_cmnd *scsi_cmd;
Brian King35a39692006-09-25 12:39:20 -05001167 struct ata_queued_cmd *qc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168 struct completion completion;
1169 struct timer_list timer;
1170 void (*done) (struct ipr_cmnd *);
1171 int (*job_step) (struct ipr_cmnd *);
brking@us.ibm.comdfed8232005-11-01 17:02:55 -06001172 int (*job_step_failed) (struct ipr_cmnd *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001173 u16 cmd_index;
1174 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1175 dma_addr_t sense_buffer_dma;
1176 unsigned short dma_use_sg;
1177 dma_addr_t dma_handle;
1178 struct ipr_cmnd *sibling;
1179 union {
1180 enum ipr_shutdown_type shutdown_type;
1181 struct ipr_hostrcb *hostrcb;
1182 unsigned long time_left;
1183 unsigned long scratch;
1184 struct ipr_resource_entry *res;
1185 struct scsi_device *sdev;
1186 } u;
1187
1188 struct ipr_ioa_cfg *ioa_cfg;
1189};
1190
1191struct ipr_ses_table_entry {
1192 char product_id[17];
1193 char compare_product_id_byte[17];
1194 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1195};
1196
1197struct ipr_dump_header {
1198 u32 eye_catcher;
1199#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1200 u32 len;
1201 u32 num_entries;
1202 u32 first_entry_offset;
1203 u32 status;
1204#define IPR_DUMP_STATUS_SUCCESS 0
1205#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1206#define IPR_DUMP_STATUS_FAILED 0xffffffff
1207 u32 os;
1208#define IPR_DUMP_OS_LINUX 0x4C4E5558
1209 u32 driver_name;
1210#define IPR_DUMP_DRIVER_NAME 0x49505232
1211}__attribute__((packed, aligned (4)));
1212
1213struct ipr_dump_entry_header {
1214 u32 eye_catcher;
1215#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1216 u32 len;
1217 u32 num_elems;
1218 u32 offset;
1219 u32 data_type;
1220#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1221#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1222 u32 id;
1223#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1224#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1225#define IPR_DUMP_TRACE_ID 0x54524143
1226#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1227#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1228#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1229#define IPR_DUMP_PEND_OPS 0x414F5053
1230 u32 status;
1231}__attribute__((packed, aligned (4)));
1232
1233struct ipr_dump_location_entry {
1234 struct ipr_dump_entry_header hdr;
1235 u8 location[BUS_ID_SIZE];
1236}__attribute__((packed));
1237
1238struct ipr_dump_trace_entry {
1239 struct ipr_dump_entry_header hdr;
1240 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1241}__attribute__((packed, aligned (4)));
1242
1243struct ipr_dump_version_entry {
1244 struct ipr_dump_entry_header hdr;
1245 u8 version[sizeof(IPR_DRIVER_VERSION)];
1246};
1247
1248struct ipr_dump_ioa_type_entry {
1249 struct ipr_dump_entry_header hdr;
1250 u32 type;
1251 u32 fw_version;
1252};
1253
1254struct ipr_driver_dump {
1255 struct ipr_dump_header hdr;
1256 struct ipr_dump_version_entry version_entry;
1257 struct ipr_dump_location_entry location_entry;
1258 struct ipr_dump_ioa_type_entry ioa_type_entry;
1259 struct ipr_dump_trace_entry trace_entry;
1260}__attribute__((packed));
1261
1262struct ipr_ioa_dump {
1263 struct ipr_dump_entry_header hdr;
1264 struct ipr_sdt sdt;
1265 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1266 u32 reserved;
1267 u32 next_page_index;
1268 u32 page_offset;
1269 u32 format;
1270#define IPR_SDT_FMT2 2
1271#define IPR_SDT_UNKNOWN 3
1272}__attribute__((packed, aligned (4)));
1273
1274struct ipr_dump {
1275 struct kref kref;
1276 struct ipr_ioa_cfg *ioa_cfg;
1277 struct ipr_driver_dump driver_dump;
1278 struct ipr_ioa_dump ioa_dump;
1279};
1280
1281struct ipr_error_table_t {
1282 u32 ioasc;
1283 int log_ioasa;
1284 int log_hcam;
1285 char *error;
1286};
1287
1288struct ipr_software_inq_lid_info {
1289 __be32 load_id;
1290 __be32 timestamp[3];
1291}__attribute__((packed, aligned (4)));
1292
1293struct ipr_ucode_image_header {
1294 __be32 header_length;
1295 __be32 lid_table_offset;
1296 u8 major_release;
1297 u8 card_type;
1298 u8 minor_release[2];
1299 u8 reserved[20];
1300 char eyecatcher[16];
1301 __be32 num_lids;
1302 struct ipr_software_inq_lid_info lid[1];
1303}__attribute__((packed, aligned (4)));
1304
1305/*
1306 * Macros
1307 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001308#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001309
1310#ifdef CONFIG_SCSI_IPR_TRACE
1311#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1312#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1313#else
1314#define ipr_create_trace_file(kobj, attr) 0
1315#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1316#endif
1317
1318#ifdef CONFIG_SCSI_IPR_DUMP
1319#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1320#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1321#else
1322#define ipr_create_dump_file(kobj, attr) 0
1323#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1324#endif
1325
1326/*
1327 * Error logging macros
1328 */
1329#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1330#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001331#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1332
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001333#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1334 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1335 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001336
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001337#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1338 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001339
1340#define ipr_res_err(ioa_cfg, res, fmt, ...) \
Brian Kingfb3ed3c2006-03-29 09:37:37 -06001341 ipr_ra_err(ioa_cfg, (res)->cfgte.res_addr, fmt, ##__VA_ARGS__)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001343#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1344{ \
1345 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1346 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1347 } else { \
1348 ipr_err(fmt": %d:%d:%d:%d\n", \
1349 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1350 (res).bus, (res).target, (res).lun); \
1351 } \
1352}
1353
Brian King49dc6a12006-11-21 10:28:35 -06001354#define ipr_hcam_err(hostrcb, fmt, ...) \
1355{ \
1356 if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \
1357 ipr_ra_err((hostrcb)->ioa_cfg, \
1358 (hostrcb)->hcam.u.error.failing_dev_res_addr, \
1359 fmt, ##__VA_ARGS__); \
1360 } else { \
1361 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \
1362 } \
1363}
1364
Linus Torvalds1da177e2005-04-16 15:20:36 -07001365#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1366 __FILE__, __FUNCTION__, __LINE__)
1367
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001368#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1369#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001370
1371#define ipr_err_separator \
1372ipr_err("----------------------------------------------------------\n")
1373
1374
1375/*
1376 * Inlines
1377 */
1378
1379/**
1380 * ipr_is_ioa_resource - Determine if a resource is the IOA
1381 * @res: resource entry struct
1382 *
1383 * Return value:
1384 * 1 if IOA / 0 if not IOA
1385 **/
1386static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1387{
1388 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1389}
1390
1391/**
1392 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1393 * @res: resource entry struct
1394 *
1395 * Return value:
1396 * 1 if AF DASD / 0 if not AF DASD
1397 **/
1398static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1399{
1400 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1401 !ipr_is_ioa_resource(res) &&
1402 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1403 return 1;
1404 else
1405 return 0;
1406}
1407
1408/**
1409 * ipr_is_vset_device - Determine if a resource is a VSET
1410 * @res: resource entry struct
1411 *
1412 * Return value:
1413 * 1 if VSET / 0 if not VSET
1414 **/
1415static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1416{
1417 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1418 !ipr_is_ioa_resource(res) &&
1419 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1420 return 1;
1421 else
1422 return 0;
1423}
1424
1425/**
1426 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1427 * @res: resource entry struct
1428 *
1429 * Return value:
1430 * 1 if GSCSI / 0 if not GSCSI
1431 **/
1432static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1433{
1434 if (!ipr_is_ioa_resource(res) &&
1435 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1436 return 1;
1437 else
1438 return 0;
1439}
1440
1441/**
Brian Kinge4fbf442006-03-29 09:37:22 -06001442 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1443 * @res: resource entry struct
1444 *
1445 * Return value:
1446 * 1 if SCSI disk / 0 if not SCSI disk
1447 **/
1448static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1449{
1450 if (ipr_is_af_dasd_device(res) ||
1451 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data)))
1452 return 1;
1453 else
1454 return 0;
1455}
1456
1457/**
Brian Kingb5145d22006-08-02 14:57:36 -05001458 * ipr_is_gata - Determine if a resource is a generic ATA resource
1459 * @res: resource entry struct
1460 *
1461 * Return value:
1462 * 1 if GATA / 0 if not GATA
1463 **/
1464static inline int ipr_is_gata(struct ipr_resource_entry *res)
1465{
1466 if (!ipr_is_ioa_resource(res) &&
1467 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)
1468 return 1;
1469 else
1470 return 0;
1471}
1472
1473/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001474 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1475 * @res: resource entry struct
1476 *
1477 * Return value:
1478 * 1 if NACA queueing model / 0 if not NACA queueing model
1479 **/
1480static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1481{
1482 if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
1483 return 1;
1484 return 0;
1485}
1486
1487/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001488 * ipr_is_device - Determine if resource address is that of a device
1489 * @res_addr: resource address struct
1490 *
1491 * Return value:
1492 * 1 if AF / 0 if not AF
1493 **/
1494static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1495{
1496 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -06001497 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001498 return 1;
1499
1500 return 0;
1501}
1502
1503/**
1504 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1505 * @sdt_word: SDT address
1506 *
1507 * Return value:
1508 * 1 if format 2 / 0 if not
1509 **/
1510static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1511{
1512 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1513
1514 switch (bar_sel) {
1515 case IPR_SDT_FMT2_BAR0_SEL:
1516 case IPR_SDT_FMT2_BAR1_SEL:
1517 case IPR_SDT_FMT2_BAR2_SEL:
1518 case IPR_SDT_FMT2_BAR3_SEL:
1519 case IPR_SDT_FMT2_BAR4_SEL:
1520 case IPR_SDT_FMT2_BAR5_SEL:
1521 case IPR_SDT_FMT2_EXP_ROM_SEL:
1522 return 1;
1523 };
1524
1525 return 0;
1526}
1527
1528#endif