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Merge tag 'powerpc-4.13-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / aacraid / aachba.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
fa195afe 3 * (c) Copyright 2001 Red Hat Inc.
1da177e4
LT		 4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
e8b12f0f 8 * Copyright (c) 2000-2010 Adaptec, Inc.
f4babba0
RAR		 9 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
1da177e4
LT		 11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
f4babba0
RAR		 26 * Module Name:
27 * aachba.c
28 *
29 * Abstract: Contains Interfaces to manage IOs.
30 *
1da177e4
LT		 31 */
32
33#include <linux/kernel.h>
34#include <linux/init.h>
35#include <linux/types.h>
1da177e4
LT		 36#include <linux/pci.h>
37#include <linux/spinlock.h>
38#include <linux/slab.h>
39#include <linux/completion.h>
40#include <linux/blkdev.h>
7c0f6ba6 41#include <linux/uaccess.h>
3a0086a8 42#include <linux/highmem.h> /* For flush_kernel_dcache_page */
acf3368f 43#include <linux/module.h>
1da177e4
LT		 44
45#include <scsi/scsi.h>
46#include <scsi/scsi_cmnd.h>
47#include <scsi/scsi_device.h>
48#include <scsi/scsi_host.h>
49
50#include "aacraid.h"
51
52/* values for inqd_pdt: Peripheral device type in plain English */
53#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
54#define INQD_PDT_PROC 0x03 /* Processor device */
55#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
56#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
57#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
58#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
59
60#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
61#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
62
1da177e4
LT		 63/*
64 * Sense codes
65 */
8ce3eca4
SM		 66
67#define SENCODE_NO_SENSE 0x00
68#define SENCODE_END_OF_DATA 0x00
69#define SENCODE_BECOMING_READY 0x04
70#define SENCODE_INIT_CMD_REQUIRED 0x04
f956a669 71#define SENCODE_UNRECOVERED_READ_ERROR 0x11
8ce3eca4
SM		 72#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
73#define SENCODE_INVALID_COMMAND 0x20
74#define SENCODE_LBA_OUT_OF_RANGE 0x21
75#define SENCODE_INVALID_CDB_FIELD 0x24
76#define SENCODE_LUN_NOT_SUPPORTED 0x25
77#define SENCODE_INVALID_PARAM_FIELD 0x26
78#define SENCODE_PARAM_NOT_SUPPORTED 0x26
79#define SENCODE_PARAM_VALUE_INVALID 0x26
80#define SENCODE_RESET_OCCURRED 0x29
81#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
82#define SENCODE_INQUIRY_DATA_CHANGED 0x3F
83#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
84#define SENCODE_DIAGNOSTIC_FAILURE 0x40
85#define SENCODE_INTERNAL_TARGET_FAILURE 0x44
86#define SENCODE_INVALID_MESSAGE_ERROR 0x49
87#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
88#define SENCODE_OVERLAPPED_COMMAND 0x4E
1da177e4
LT		 89
90/*
91 * Additional sense codes
92 */
8ce3eca4
SM		 93
94#define ASENCODE_NO_SENSE 0x00
95#define ASENCODE_END_OF_DATA 0x05
96#define ASENCODE_BECOMING_READY 0x01
97#define ASENCODE_INIT_CMD_REQUIRED 0x02
98#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
99#define ASENCODE_INVALID_COMMAND 0x00
100#define ASENCODE_LBA_OUT_OF_RANGE 0x00
101#define ASENCODE_INVALID_CDB_FIELD 0x00
102#define ASENCODE_LUN_NOT_SUPPORTED 0x00
103#define ASENCODE_INVALID_PARAM_FIELD 0x00
104#define ASENCODE_PARAM_NOT_SUPPORTED 0x01
105#define ASENCODE_PARAM_VALUE_INVALID 0x02
106#define ASENCODE_RESET_OCCURRED 0x00
107#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
108#define ASENCODE_INQUIRY_DATA_CHANGED 0x03
109#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
110#define ASENCODE_DIAGNOSTIC_FAILURE 0x80
111#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
112#define ASENCODE_INVALID_MESSAGE_ERROR 0x00
113#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
114#define ASENCODE_OVERLAPPED_COMMAND 0x00
1da177e4 115
c4e2fbca
RAR		 116#define AAC_STAT_GOOD (DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD)
117
1da177e4
LT		 118#define BYTE0(x) (unsigned char)(x)
119#define BYTE1(x) (unsigned char)((x) >> 8)
120#define BYTE2(x) (unsigned char)((x) >> 16)
121#define BYTE3(x) (unsigned char)((x) >> 24)
122
b836439f
MR		 123/* MODE_SENSE data format */
124typedef struct {
125 struct {
126 u8 data_length;
127 u8 med_type;
128 u8 dev_par;
129 u8 bd_length;
130 } __attribute__((packed)) hd;
131 struct {
132 u8 dens_code;
133 u8 block_count[3];
134 u8 reserved;
135 u8 block_length[3];
136 } __attribute__((packed)) bd;
137 u8 mpc_buf[3];
138} __attribute__((packed)) aac_modep_data;
139
140/* MODE_SENSE_10 data format */
141typedef struct {
142 struct {
143 u8 data_length[2];
144 u8 med_type;
145 u8 dev_par;
146 u8 rsrvd[2];
147 u8 bd_length[2];
148 } __attribute__((packed)) hd;
149 struct {
150 u8 dens_code;
151 u8 block_count[3];
152 u8 reserved;
153 u8 block_length[3];
154 } __attribute__((packed)) bd;
155 u8 mpc_buf[3];
156} __attribute__((packed)) aac_modep10_data;
157
1da177e4
LT		 158/*------------------------------------------------------------------------------
159 * S T R U C T S / T Y P E D E F S
160 *----------------------------------------------------------------------------*/
161/* SCSI inquiry data */
162struct inquiry_data {
8ce3eca4
SM		 163 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
164 u8 inqd_dtq; /* RMB | Device Type Qualifier */
1da177e4
LT		 165 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
166 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
167 u8 inqd_len; /* Additional length (n-4) */
168 u8 inqd_pad1[2];/* Reserved - must be zero */
169 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
170 u8 inqd_vid[8]; /* Vendor ID */
171 u8 inqd_pid[16];/* Product ID */
172 u8 inqd_prl[4]; /* Product Revision Level */
173};
174
5d910649 175/* Added for VPD 0x83 */
999b3ffc
RAR		 176struct tvpd_id_descriptor_type_1 {
177 u8 codeset:4; /* VPD_CODE_SET */
178 u8 reserved:4;
179 u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
180 u8 reserved2:4;
181 u8 reserved3;
182 u8 identifierlength;
183 u8 venid[8];
184 u8 productid[16];
185 u8 serialnumber[8]; /* SN in ASCII */
5d910649 186
999b3ffc
RAR		 187};
188
189struct tvpd_id_descriptor_type_2 {
190 u8 codeset:4; /* VPD_CODE_SET */
191 u8 reserved:4;
192 u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
193 u8 reserved2:4;
194 u8 reserved3;
195 u8 identifierlength;
196 struct teu64id {
5d910649
MR		 197 u32 Serial;
198 /* The serial number supposed to be 40 bits,
199 * bit we only support 32, so make the last byte zero. */
999b3ffc
RAR		 200 u8 reserved;
201 u8 venid[3];
202 } eu64id;
5d910649 203
999b3ffc 204};
5d910649 205
999b3ffc
RAR		 206struct tvpd_id_descriptor_type_3 {
207 u8 codeset : 4; /* VPD_CODE_SET */
208 u8 reserved : 4;
209 u8 identifiertype : 4; /* VPD_IDENTIFIER_TYPE */
210 u8 reserved2 : 4;
211 u8 reserved3;
212 u8 identifierlength;
213 u8 Identifier[16];
214};
215
216struct tvpd_page83 {
5d910649
MR		 217 u8 DeviceType:5;
218 u8 DeviceTypeQualifier:3;
219 u8 PageCode;
999b3ffc 220 u8 reserved;
5d910649 221 u8 PageLength;
999b3ffc
RAR		 222 struct tvpd_id_descriptor_type_1 type1;
223 struct tvpd_id_descriptor_type_2 type2;
224 struct tvpd_id_descriptor_type_3 type3;
225};
5d910649 226
1da177e4
LT		 227/*
228 * M O D U L E G L O B A L S
229 */
8ce3eca4 230
0b433447
MR		 231static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
232static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
233static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
234static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
235 struct aac_raw_io2 *rio2, int sg_max);
ab5d129f
RAR		 236static long aac_build_sghba(struct scsi_cmnd *scsicmd,
237 struct aac_hba_cmd_req *hbacmd,
238 int sg_max, u64 sg_address);
0b433447
MR		 239static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
240 int pages, int nseg, int nseg_new);
1da177e4 241static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
ab5d129f 242static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
1da177e4
LT		 243#ifdef AAC_DETAILED_STATUS_INFO
244static char *aac_get_status_string(u32 status);
245#endif
246
247/*
248 * Non dasd selection is handled entirely in aachba now
8ce3eca4
SM		 249 */
250
1da177e4 251static int nondasd = -1;
d8e96507 252static int aac_cache = 2; /* WCE=0 to avoid performance problems */
1da177e4 253static int dacmode = -1;
8ef22247 254int aac_msi;
1208bab5 255int aac_commit = -1;
404d9a90
MH		 256int startup_timeout = 180;
257int aif_timeout = 120;
11604612 258int aac_sync_mode; /* Only Sync. transfer - disabled */
85d22bbf 259int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
1da177e4 260
11604612
MR		 261module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
262MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
263 " 0=off, 1=on");
85d22bbf
MR		 264module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
265MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
266 " 0=off, 1=on");
9a72f976 267module_param(nondasd, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 268MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
269 " 0=off, 1=on");
95e852e1 270module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 271MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
272 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
273 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
d8e96507 274 "\tbit 2 - Disable only if Battery is protecting Cache");
9a72f976 275module_param(dacmode, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 276MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
277 " 0=off, 1=on");
1208bab5 278module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 279MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
280 " adapter for foreign arrays.\n"
281 "This is typically needed in systems that do not have a BIOS."
282 " 0=off, 1=on");
283module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
284MODULE_PARM_DESC(msi, "IRQ handling."
9022d375 285 " 0=PIC(default), 1=MSI, 2=MSI-X)");
404d9a90 286module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 287MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
288 " adapter to have it's kernel up and\n"
289 "running. This is typically adjusted for large systems that do not"
290 " have a BIOS.");
404d9a90 291module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 292MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
293 " applications to pick up AIFs before\n"
294 "deregistering them. This is typically adjusted for heavily burdened"
295 " systems.");
1da177e4 296
09624645
RAR		 297int aac_fib_dump;
298module_param(aac_fib_dump, int, 0644);
299MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");
300
7c00ffa3
MH		 301int numacb = -1;
302module_param(numacb, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 303MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
304 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
305 " to use suggestion from Firmware.");
7c00ffa3
MH		 306
307int acbsize = -1;
308module_param(acbsize, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 309MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
310 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
311 " suggestion from Firmware.");
653ba58d 312
29c97684
SM		 313int update_interval = 30 * 60;
314module_param(update_interval, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 315MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
316 " updates issued to adapter.");
29c97684 317
11da1b7c 318int check_interval = 60;
29c97684 319module_param(check_interval, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 320MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
321 " checks.");
29c97684 322
87f3bda3
AM		 323int aac_check_reset = 1;
324module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
95e7a8ef 325MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
8ef22247
SM		 326 " adapter. a value of -1 forces the reset to adapters programmed to"
327 " ignore it.");
29c97684 328
e37ee4be 329int expose_physicals = -1;
653ba58d 330module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 331MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
332 " -1=protect 0=off, 1=on");
03d44337 333
8ef22247 334int aac_reset_devices;
1208bab5
SM		 335module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
336MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
03d44337 337
d8e96507
LA		 338int aac_wwn = 1;
339module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
340MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
341 "\t0 - Disable\n"
342 "\t1 - Array Meta Data Signature (default)\n"
343 "\t2 - Adapter Serial Number");
344
345
03d44337
MH		 346static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
347 struct fib *fibptr) {
348 struct scsi_device *device;
349
8ce3eca4 350 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
c835e372 351 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
8ce3eca4 352 aac_fib_complete(fibptr);
8ce3eca4
SM		 353 return 0;
354 }
03d44337
MH		 355 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
356 device = scsicmd->device;
3ffd6c5a 357 if (unlikely(!device)) {
03d44337
MH		 358 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
359 aac_fib_complete(fibptr);
03d44337
MH		 360 return 0;
361 }
362 return 1;
363}
364
1da177e4
LT		 365/**
366 * aac_get_config_status - check the adapter configuration
367 * @common: adapter to query
368 *
369 * Query config status, and commit the configuration if needed.
370 */
8c867b25 371int aac_get_config_status(struct aac_dev *dev, int commit_flag)
1da177e4
LT		 372{
373 int status = 0;
374 struct fib * fibptr;
375
bfb35aa8 376 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 377 return -ENOMEM;
378
bfb35aa8 379 aac_fib_init(fibptr);
1da177e4
LT		 380 {
381 struct aac_get_config_status *dinfo;
382 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
383
384 dinfo->command = cpu_to_le32(VM_ContainerConfig);
385 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
386 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
387 }
388
bfb35aa8 389 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 390 fibptr,
391 sizeof (struct aac_get_config_status),
392 FsaNormal,
393 1, 1,
394 NULL, NULL);
8ce3eca4 395 if (status < 0) {
1da177e4
LT		 396 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
397 } else {
398 struct aac_get_config_status_resp *reply
399 = (struct aac_get_config_status_resp *) fib_data(fibptr);
400 dprintk((KERN_WARNING
401 "aac_get_config_status: response=%d status=%d action=%d\n",
402 le32_to_cpu(reply->response),
403 le32_to_cpu(reply->status),
404 le32_to_cpu(reply->data.action)));
405 if ((le32_to_cpu(reply->response) != ST_OK) ||
406 (le32_to_cpu(reply->status) != CT_OK) ||
407 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
408 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
409 status = -EINVAL;
410 }
411 }
cacb6dc3
PNRCEH		 412 /* Do not set XferState to zero unless receives a response from F/W */
413 if (status >= 0)
414 aac_fib_complete(fibptr);
415
1da177e4
LT		 416 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
417 if (status >= 0) {
1208bab5 418 if ((aac_commit == 1) || commit_flag) {
1da177e4 419 struct aac_commit_config * dinfo;
bfb35aa8 420 aac_fib_init(fibptr);
1da177e4 421 dinfo = (struct aac_commit_config *) fib_data(fibptr);
8ce3eca4 422
1da177e4
LT		 423 dinfo->command = cpu_to_le32(VM_ContainerConfig);
424 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
8ce3eca4 425
bfb35aa8 426 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 427 fibptr,
428 sizeof (struct aac_commit_config),
429 FsaNormal,
430 1, 1,
431 NULL, NULL);
cacb6dc3
PNRCEH		 432 /* Do not set XferState to zero unless
433 * receives a response from F/W */
434 if (status >= 0)
435 aac_fib_complete(fibptr);
1208bab5 436 } else if (aac_commit == 0) {
1da177e4
LT		 437 printk(KERN_WARNING
438 "aac_get_config_status: Foreign device configurations are being ignored\n");
439 }
440 }
cacb6dc3
PNRCEH		 441 /* FIB should be freed only after getting the response from the F/W */
442 if (status != -ERESTARTSYS)
443 aac_fib_free(fibptr);
1da177e4
LT		 444 return status;
445}
446
e3cc268f
RM		 447static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
448{
449 char inq_data;
450 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
451 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
452 inq_data &= 0xdf;
453 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
454 }
455}
456
1da177e4
LT		 457/**
458 * aac_get_containers - list containers
459 * @common: adapter to probe
460 *
461 * Make a list of all containers on this controller
462 */
463int aac_get_containers(struct aac_dev *dev)
464{
465 struct fsa_dev_info *fsa_dev_ptr;
8ce3eca4 466 u32 index;
1da177e4
LT		 467 int status = 0;
468 struct fib * fibptr;
1da177e4
LT		 469 struct aac_get_container_count *dinfo;
470 struct aac_get_container_count_resp *dresp;
471 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
472
bfb35aa8 473 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 474 return -ENOMEM;
475
bfb35aa8 476 aac_fib_init(fibptr);
1da177e4
LT		 477 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
478 dinfo->command = cpu_to_le32(VM_ContainerConfig);
479 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
480
bfb35aa8 481 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 482 fibptr,
483 sizeof (struct aac_get_container_count),
484 FsaNormal,
485 1, 1,
486 NULL, NULL);
487 if (status >= 0) {
488 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
489 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
1c68856e 490 if (fibptr->dev->supplement_adapter_info.supported_options2 &
a7129a54
MR		 491 AAC_OPTION_SUPPORTED_240_VOLUMES) {
492 maximum_num_containers =
493 le32_to_cpu(dresp->MaxSimpleVolumes);
494 }
bfb35aa8 495 aac_fib_complete(fibptr);
1da177e4 496 }
cacb6dc3
PNRCEH		 497 /* FIB should be freed only after getting the response from the F/W */
498 if (status != -ERESTARTSYS)
499 aac_fib_free(fibptr);
1da177e4
LT		 500
501 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
502 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
3ffd6c5a
RAR		 503 if (dev->fsa_dev == NULL ||
504 dev->maximum_num_containers != maximum_num_containers) {
505
506 fsa_dev_ptr = dev->fsa_dev;
507
508 dev->fsa_dev = kcalloc(maximum_num_containers,
509 sizeof(*fsa_dev_ptr), GFP_KERNEL);
510
511 kfree(fsa_dev_ptr);
512 fsa_dev_ptr = NULL;
1da177e4 513
1da177e4 514
3ffd6c5a
RAR		 515 if (!dev->fsa_dev)
516 return -ENOMEM;
517
518 dev->maximum_num_containers = maximum_num_containers;
519 }
520 for (index = 0; index < dev->maximum_num_containers; index++) {
521 dev->fsa_dev[index].devname[0] = '\0';
522 dev->fsa_dev[index].valid = 0;
1da177e4 523
fe76df42 524 status = aac_probe_container(dev, index);
1da177e4 525
fe76df42 526 if (status < 0) {
1da177e4
LT		 527 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
528 break;
529 }
1da177e4 530 }
1da177e4
LT		 531 return status;
532}
533
1da177e4
LT		 534static void get_container_name_callback(void *context, struct fib * fibptr)
535{
536 struct aac_get_name_resp * get_name_reply;
537 struct scsi_cmnd * scsicmd;
538
539 scsicmd = (struct scsi_cmnd *) context;
540
03d44337
MH		 541 if (!aac_valid_context(scsicmd, fibptr))
542 return;
543
1da177e4 544 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
125e1874 545 BUG_ON(fibptr == NULL);
1da177e4
LT		 546
547 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
548 /* Failure is irrelevant, using default value instead */
549 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
550 && (get_name_reply->data[0] != '\0')) {
3b2946cc 551 char *sp = get_name_reply->data;
c8026732
RAR		 552 int data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
553
554 sp[data_size - 1] = '\0';
1da177e4
LT		 555 while (*sp == ' ')
556 ++sp;
3b2946cc 557 if (*sp) {
d4345028 558 struct inquiry_data inq;
3b2946cc
MH		 559 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
560 int count = sizeof(d);
561 char *dp = d;
562 do {
563 *dp++ = (*sp) ? *sp++ : ' ';
564 } while (--count > 0);
d4345028
FT		 565
566 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
567 memcpy(inq.inqd_pid, d, sizeof(d));
568 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
3b2946cc 569 }
1da177e4 570 }
3b2946cc 571
1da177e4
LT		 572 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
573
bfb35aa8 574 aac_fib_complete(fibptr);
8e0c5ebd 575 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 576}
577
578/**
579 * aac_get_container_name - get container name, none blocking.
580 */
9e7c349c 581static int aac_get_container_name(struct scsi_cmnd * scsicmd)
1da177e4
LT		 582{
583 int status;
c8026732 584 int data_size;
1da177e4
LT		 585 struct aac_get_name *dinfo;
586 struct fib * cmd_fibcontext;
587 struct aac_dev * dev;
588
589 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
590
c8026732
RAR		 591 data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
592
6bf3b630 593 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1da177e4 594
bfb35aa8 595 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 596 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
597
598 dinfo->command = cpu_to_le32(VM_ContainerConfig);
599 dinfo->type = cpu_to_le32(CT_READ_NAME);
9e7c349c 600 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
c8026732 601 dinfo->count = cpu_to_le32(data_size - 1);
1da177e4 602
bfb35aa8 603 status = aac_fib_send(ContainerCommand,
8ce3eca4 604 cmd_fibcontext,
fb5d40d4 605 sizeof(struct aac_get_name_resp),
8ce3eca4
SM		 606 FsaNormal,
607 0, 1,
608 (fib_callback)get_container_name_callback,
1da177e4 609 (void *) scsicmd);
8ce3eca4 610
1da177e4
LT		 611 /*
612 * Check that the command queued to the controller
613 */
77d644d4
MH		 614 if (status == -EINPROGRESS) {
615 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 616 return 0;
77d644d4 617 }
8ce3eca4 618
bfb35aa8
MH		 619 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
620 aac_fib_complete(cmd_fibcontext);
1da177e4
LT		 621 return -1;
622}
623
fe76df42 624static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
1da177e4 625{
fe76df42 626 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
1da177e4 627
1a655040 628 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
fe76df42 629 return aac_scsi_cmd(scsicmd);
1da177e4 630
fe76df42
MH		 631 scsicmd->result = DID_NO_CONNECT << 16;
632 scsicmd->scsi_done(scsicmd);
633 return 0;
634}
635
1a655040 636static void _aac_probe_container2(void * context, struct fib * fibptr)
fe76df42 637{
03d44337 638 struct fsa_dev_info *fsa_dev_ptr;
fe76df42 639 int (*callback)(struct scsi_cmnd *);
03d44337 640 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
999b3ffc 641 int i;
03d44337 642
03d44337 643
1a655040
SM		 644 if (!aac_valid_context(scsicmd, fibptr))
645 return;
fe76df42
MH		 646
647 scsicmd->SCp.Status = 0;
1a655040 648 fsa_dev_ptr = fibptr->dev->fsa_dev;
fe76df42
MH		 649 if (fsa_dev_ptr) {
650 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
1c68856e
RAR		 651 __le32 sup_options2;
652
fe76df42 653 fsa_dev_ptr += scmd_id(scsicmd);
1c68856e
RAR		 654 sup_options2 =
655 fibptr->dev->supplement_adapter_info.supported_options2;
fe76df42
MH		 656
657 if ((le32_to_cpu(dresp->status) == ST_OK) &&
658 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
659 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
1c68856e 660 if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
b836439f
MR		 661 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
662 fsa_dev_ptr->block_size = 0x200;
663 } else {
664 fsa_dev_ptr->block_size =
665 le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
666 }
999b3ffc
RAR		 667 for (i = 0; i < 16; i++)
668 fsa_dev_ptr->identifier[i] =
669 dresp->mnt[0].fileinfo.bdevinfo
670 .identifier[i];
fe76df42 671 fsa_dev_ptr->valid = 1;
655d722c
MS		 672 /* sense_key holds the current state of the spin-up */
673 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
674 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
675 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
676 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
fe76df42
MH		 677 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
678 fsa_dev_ptr->size
679 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
680 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
681 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
682 }
683 if ((fsa_dev_ptr->valid & 1) == 0)
684 fsa_dev_ptr->valid = 0;
685 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
686 }
687 aac_fib_complete(fibptr);
688 aac_fib_free(fibptr);
689 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
690 scsicmd->SCp.ptr = NULL;
1a655040
SM		 691 (*callback)(scsicmd);
692 return;
fe76df42
MH		 693}
694
1a655040 695static void _aac_probe_container1(void * context, struct fib * fibptr)
fe76df42
MH		 696{
697 struct scsi_cmnd * scsicmd;
698 struct aac_mount * dresp;
699 struct aac_query_mount *dinfo;
700 int status;
701
702 dresp = (struct aac_mount *) fib_data(fibptr);
1c68856e 703 if (!(fibptr->dev->supplement_adapter_info.supported_options2 &
b836439f
MR		 704 AAC_OPTION_VARIABLE_BLOCK_SIZE))
705 dresp->mnt[0].capacityhigh = 0;
fe76df42 706 if ((le32_to_cpu(dresp->status) != ST_OK) ||
1a655040
SM		 707 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
708 _aac_probe_container2(context, fibptr);
709 return;
710 }
fe76df42 711 scsicmd = (struct scsi_cmnd *) context;
1da177e4 712
03d44337 713 if (!aac_valid_context(scsicmd, fibptr))
1a655040 714 return;
03d44337 715
bfb35aa8 716 aac_fib_init(fibptr);
1da177e4
LT		 717
718 dinfo = (struct aac_query_mount *)fib_data(fibptr);
719
1c68856e 720 if (fibptr->dev->supplement_adapter_info.supported_options2 &
b836439f
MR		 721 AAC_OPTION_VARIABLE_BLOCK_SIZE)
722 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
723 else
724 dinfo->command = cpu_to_le32(VM_NameServe64);
725
fe76df42 726 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 727 dinfo->type = cpu_to_le32(FT_FILESYS);
728
bfb35aa8 729 status = aac_fib_send(ContainerCommand,
fe76df42
MH		 730 fibptr,
731 sizeof(struct aac_query_mount),
732 FsaNormal,
733 0, 1,
1a655040 734 _aac_probe_container2,
fe76df42
MH		 735 (void *) scsicmd);
736 /*
737 * Check that the command queued to the controller
738 */
1a655040 739 if (status == -EINPROGRESS)
fe76df42 740 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1a655040 741 else if (status < 0) {
fe76df42
MH		 742 /* Inherit results from VM_NameServe, if any */
743 dresp->status = cpu_to_le32(ST_OK);
1a655040 744 _aac_probe_container2(context, fibptr);
1da177e4 745 }
fe76df42 746}
1da177e4 747
fe76df42
MH		 748static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
749{
750 struct fib * fibptr;
751 int status = -ENOMEM;
752
753 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
754 struct aac_query_mount *dinfo;
755
756 aac_fib_init(fibptr);
757
758 dinfo = (struct aac_query_mount *)fib_data(fibptr);
1da177e4 759
1c68856e 760 if (fibptr->dev->supplement_adapter_info.supported_options2 &
b836439f
MR		 761 AAC_OPTION_VARIABLE_BLOCK_SIZE)
762 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
763 else
764 dinfo->command = cpu_to_le32(VM_NameServe);
765
fe76df42 766 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
7a8cf29d 767 dinfo->type = cpu_to_le32(FT_FILESYS);
fe76df42 768 scsicmd->SCp.ptr = (char *)callback;
7a8cf29d 769
fe76df42
MH		 770 status = aac_fib_send(ContainerCommand,
771 fibptr,
772 sizeof(struct aac_query_mount),
773 FsaNormal,
774 0, 1,
1a655040 775 _aac_probe_container1,
fe76df42
MH		 776 (void *) scsicmd);
777 /*
778 * Check that the command queued to the controller
779 */
780 if (status == -EINPROGRESS) {
781 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
782 return 0;
783 }
784 if (status < 0) {
785 scsicmd->SCp.ptr = NULL;
786 aac_fib_complete(fibptr);
787 aac_fib_free(fibptr);
788 }
789 }
790 if (status < 0) {
791 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
792 if (fsa_dev_ptr) {
793 fsa_dev_ptr += scmd_id(scsicmd);
794 if ((fsa_dev_ptr->valid & 1) == 0) {
795 fsa_dev_ptr->valid = 0;
796 return (*callback)(scsicmd);
797 }
798 }
1da177e4 799 }
fe76df42
MH		 800 return status;
801}
1da177e4 802
fe76df42
MH		 803/**
804 * aac_probe_container - query a logical volume
805 * @dev: device to query
806 * @cid: container identifier
807 *
808 * Queries the controller about the given volume. The volume information
809 * is updated in the struct fsa_dev_info structure rather than returned.
810 */
811static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
812{
813 scsicmd->device = NULL;
814 return 0;
815}
1da177e4 816
fe76df42
MH		 817int aac_probe_container(struct aac_dev *dev, int cid)
818{
819 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
820 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
821 int status;
822
823 if (!scsicmd || !scsidev) {
824 kfree(scsicmd);
825 kfree(scsidev);
826 return -ENOMEM;
827 }
828 scsicmd->list.next = NULL;
1a655040 829 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
fe76df42
MH		 830
831 scsicmd->device = scsidev;
832 scsidev->sdev_state = 0;
833 scsidev->id = cid;
834 scsidev->host = dev->scsi_host_ptr;
835
836 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
837 while (scsicmd->device == scsidev)
838 schedule();
802ae2f0 839 kfree(scsidev);
fe76df42
MH		 840 status = scsicmd->SCp.Status;
841 kfree(scsicmd);
1da177e4
LT		 842 return status;
843}
844
845/* Local Structure to set SCSI inquiry data strings */
846struct scsi_inq {
847 char vid[8]; /* Vendor ID */
848 char pid[16]; /* Product ID */
849 char prl[4]; /* Product Revision Level */
850};
851
852/**
853 * InqStrCopy - string merge
854 * @a: string to copy from
855 * @b: string to copy to
856 *
8ce3eca4 857 * Copy a String from one location to another
1da177e4
LT		 858 * without copying \0
859 */
860
861static void inqstrcpy(char *a, char *b)
862{
863
8ce3eca4 864 while (*a != (char)0)
1da177e4
LT		 865 *b++ = *a++;
866}
867
868static char *container_types[] = {
8ce3eca4
SM		 869 "None",
870 "Volume",
871 "Mirror",
872 "Stripe",
873 "RAID5",
874 "SSRW",
875 "SSRO",
876 "Morph",
877 "Legacy",
878 "RAID4",
879 "RAID10",
880 "RAID00",
881 "V-MIRRORS",
882 "PSEUDO R4",
1da177e4 883 "RAID50",
84971738
MH		 884 "RAID5D",
885 "RAID5D0",
886 "RAID1E",
887 "RAID6",
888 "RAID60",
8ce3eca4 889 "Unknown"
1da177e4
LT		 890};
891
17eaacee
SM		 892char * get_container_type(unsigned tindex)
893{
894 if (tindex >= ARRAY_SIZE(container_types))
895 tindex = ARRAY_SIZE(container_types) - 1;
896 return container_types[tindex];
897}
1da177e4
LT		 898
899/* Function: setinqstr
900 *
901 * Arguments: [1] pointer to void [1] int
902 *
903 * Purpose: Sets SCSI inquiry data strings for vendor, product
25985edc
LDM		 904 * and revision level. Allows strings to be set in platform dependent
905 * files instead of in OS dependent driver source.
1da177e4
LT		 906 */
907
794d0601 908static void setinqstr(struct aac_dev *dev, void *data, int tindex)
1da177e4
LT		 909{
910 struct scsi_inq *str;
1c68856e 911 struct aac_supplement_adapter_info *sup_adap_info;
1da177e4 912
1c68856e 913 sup_adap_info = &dev->supplement_adapter_info;
1da177e4 914 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
794d0601
MH		 915 memset(str, ' ', sizeof(*str));
916
1c68856e
RAR		 917 if (sup_adap_info->adapter_type_text[0]) {
918 char *cp = sup_adap_info->adapter_type_text;
3bc8070f
SM		 919 int c;
920 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
921 inqstrcpy("SMC", str->vid);
922 else {
923 c = sizeof(str->vid);
924 while (*cp && *cp != ' ' && --c)
925 ++cp;
926 c = *cp;
927 *cp = '\0';
1c68856e 928 inqstrcpy(sup_adap_info->adapter_type_text, str->vid);
3bc8070f
SM		 929 *cp = c;
930 while (*cp && *cp != ' ')
931 ++cp;
932 }
794d0601
MH		 933 while (*cp == ' ')
934 ++cp;
935 /* last six chars reserved for vol type */
936 c = 0;
937 if (strlen(cp) > sizeof(str->pid)) {
938 c = cp[sizeof(str->pid)];
939 cp[sizeof(str->pid)] = '\0';
940 }
941 inqstrcpy (cp, str->pid);
942 if (c)
943 cp[sizeof(str->pid)] = c;
944 } else {
945 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
6391a113
TK		 946
947 inqstrcpy (mp->vname, str->vid);
794d0601
MH		 948 /* last six chars reserved for vol type */
949 inqstrcpy (mp->model, str->pid);
950 }
1da177e4 951
6391a113 952 if (tindex < ARRAY_SIZE(container_types)){
1da177e4
LT		 953 char *findit = str->pid;
954
955 for ( ; *findit != ' '; findit++); /* walk till we find a space */
956 /* RAID is superfluous in the context of a RAID device */
957 if (memcmp(findit-4, "RAID", 4) == 0)
958 *(findit -= 4) = ' ';
794d0601
MH		 959 if (((findit - str->pid) + strlen(container_types[tindex]))
960 < (sizeof(str->pid) + sizeof(str->prl)))
961 inqstrcpy (container_types[tindex], findit + 1);
1da177e4
LT		 962 }
963 inqstrcpy ("V1.0", str->prl);
964}
965
999b3ffc
RAR		 966static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
967 struct aac_dev *dev, struct scsi_cmnd *scsicmd)
968{
969 int container;
970
971 vpdpage83data->type3.codeset = 1;
972 vpdpage83data->type3.identifiertype = 3;
973 vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
974 - 4;
975
976 for (container = 0; container < dev->maximum_num_containers;
977 container++) {
978
979 if (scmd_id(scsicmd) == container) {
980 memcpy(vpdpage83data->type3.Identifier,
981 dev->fsa_dev[container].identifier,
982 16);
983 break;
984 }
985 }
986}
987
88e2f98e
SM		 988static void get_container_serial_callback(void *context, struct fib * fibptr)
989{
990 struct aac_get_serial_resp * get_serial_reply;
991 struct scsi_cmnd * scsicmd;
992
993 BUG_ON(fibptr == NULL);
994
995 scsicmd = (struct scsi_cmnd *) context;
996 if (!aac_valid_context(scsicmd, fibptr))
997 return;
998
999 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
1000 /* Failure is irrelevant, using default value instead */
1001 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
5d910649
MR		 1002 /*Check to see if it's for VPD 0x83 or 0x80 */
1003 if (scsicmd->cmnd[2] == 0x83) {
1004 /* vpd page 0x83 - Device Identification Page */
999b3ffc 1005 struct aac_dev *dev;
5d910649 1006 int i;
999b3ffc
RAR		 1007 struct tvpd_page83 vpdpage83data;
1008
1009 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
5d910649 1010
999b3ffc
RAR		 1011 memset(((u8 *)&vpdpage83data), 0,
1012 sizeof(vpdpage83data));
5d910649
MR		 1013
1014 /* DIRECT_ACCESS_DEVIC */
999b3ffc 1015 vpdpage83data.DeviceType = 0;
5d910649 1016 /* DEVICE_CONNECTED */
999b3ffc 1017 vpdpage83data.DeviceTypeQualifier = 0;
5d910649 1018 /* VPD_DEVICE_IDENTIFIERS */
999b3ffc
RAR		 1019 vpdpage83data.PageCode = 0x83;
1020 vpdpage83data.reserved = 0;
1021 vpdpage83data.PageLength =
1022 sizeof(vpdpage83data.type1) +
1023 sizeof(vpdpage83data.type2);
1024
1025 /* VPD 83 Type 3 is not supported for ARC */
1026 if (dev->sa_firmware)
1027 vpdpage83data.PageLength +=
1028 sizeof(vpdpage83data.type3);
5d910649
MR		 1029
1030 /* T10 Vendor Identifier Field Format */
999b3ffc
RAR		 1031 /* VpdcodesetAscii */
1032 vpdpage83data.type1.codeset = 2;
5d910649 1033 /* VpdIdentifierTypeVendorId */
999b3ffc
RAR		 1034 vpdpage83data.type1.identifiertype = 1;
1035 vpdpage83data.type1.identifierlength =
1036 sizeof(vpdpage83data.type1) - 4;
5d910649
MR		 1037
1038 /* "ADAPTEC " for adaptec */
999b3ffc 1039 memcpy(vpdpage83data.type1.venid,
5d910649 1040 "ADAPTEC ",
999b3ffc
RAR		 1041 sizeof(vpdpage83data.type1.venid));
1042 memcpy(vpdpage83data.type1.productid,
5d910649
MR		 1043 "ARRAY ",
1044 sizeof(
999b3ffc 1045 vpdpage83data.type1.productid));
5d910649
MR		 1046
1047 /* Convert to ascii based serial number.
1048 * The LSB is the the end.
1049 */
1050 for (i = 0; i < 8; i++) {
1051 u8 temp =
1052 (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
1053 if (temp > 0x9) {
999b3ffc 1054 vpdpage83data.type1.serialnumber[i] =
5d910649
MR		 1055 'A' + (temp - 0xA);
1056 } else {
999b3ffc 1057 vpdpage83data.type1.serialnumber[i] =
5d910649
MR		 1058 '0' + temp;
1059 }
1060 }
1061
1062 /* VpdCodeSetBinary */
999b3ffc
RAR		 1063 vpdpage83data.type2.codeset = 1;
1064 /* VpdidentifiertypeEUI64 */
1065 vpdpage83data.type2.identifiertype = 2;
1066 vpdpage83data.type2.identifierlength =
1067 sizeof(vpdpage83data.type2) - 4;
5d910649 1068
999b3ffc
RAR		 1069 vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1070 vpdpage83data.type2.eu64id.venid[1] = 0;
1071 vpdpage83data.type2.eu64id.venid[2] = 0;
5d910649 1072
999b3ffc 1073 vpdpage83data.type2.eu64id.Serial =
5d910649 1074 get_serial_reply->uid;
999b3ffc
RAR		 1075 vpdpage83data.type2.eu64id.reserved = 0;
1076
1077 /*
1078 * VpdIdentifierTypeFCPHName
1079 * VPD 0x83 Type 3 not supported for ARC
1080 */
1081 if (dev->sa_firmware) {
1082 build_vpd83_type3(&vpdpage83data,
1083 dev, scsicmd);
1084 }
5d910649
MR		 1085
1086 /* Move the inquiry data to the response buffer. */
999b3ffc
RAR		 1087 scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1088 sizeof(vpdpage83data));
5d910649
MR		 1089 } else {
1090 /* It must be for VPD 0x80 */
1091 char sp[13];
1092 /* EVPD bit set */
1093 sp[0] = INQD_PDT_DA;
1094 sp[1] = scsicmd->cmnd[2];
1095 sp[2] = 0;
1096 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1097 le32_to_cpu(get_serial_reply->uid));
1098 scsi_sg_copy_from_buffer(scsicmd, sp,
1099 sizeof(sp));
1100 }
88e2f98e
SM		 1101 }
1102
1103 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1104
1105 aac_fib_complete(fibptr);
88e2f98e
SM		 1106 scsicmd->scsi_done(scsicmd);
1107}
1108
1109/**
1110 * aac_get_container_serial - get container serial, none blocking.
1111 */
1112static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1113{
1114 int status;
1115 struct aac_get_serial *dinfo;
1116 struct fib * cmd_fibcontext;
1117 struct aac_dev * dev;
1118
1119 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1120
6bf3b630 1121 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
88e2f98e
SM		 1122
1123 aac_fib_init(cmd_fibcontext);
1124 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1125
1126 dinfo->command = cpu_to_le32(VM_ContainerConfig);
1127 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1128 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1129
1130 status = aac_fib_send(ContainerCommand,
1131 cmd_fibcontext,
fb5d40d4 1132 sizeof(struct aac_get_serial_resp),
88e2f98e
SM		 1133 FsaNormal,
1134 0, 1,
1135 (fib_callback) get_container_serial_callback,
1136 (void *) scsicmd);
1137
1138 /*
1139 * Check that the command queued to the controller
1140 */
1141 if (status == -EINPROGRESS) {
1142 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1143 return 0;
1144 }
1145
1146 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1147 aac_fib_complete(cmd_fibcontext);
88e2f98e
SM		 1148 return -1;
1149}
1150
1151/* Function: setinqserial
1152 *
1153 * Arguments: [1] pointer to void [1] int
1154 *
1155 * Purpose: Sets SCSI Unit Serial number.
1156 * This is a fake. We should read a proper
1157 * serial number from the container. <SuSE>But
1158 * without docs it's quite hard to do it :-)
1159 * So this will have to do in the meantime.</SuSE>
1160 */
1161
1162static int setinqserial(struct aac_dev *dev, void *data, int cid)
1163{
1164 /*
1165 * This breaks array migration.
1166 */
1167 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1168 le32_to_cpu(dev->adapter_info.serial[0]), cid);
1169}
1170
8e31e607
SM		 1171static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1172 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1da177e4 1173{
8e31e607
SM		 1174 u8 *sense_buf = (u8 *)sense_data;
1175 /* Sense data valid, err code 70h */
1176 sense_buf[0] = 0x70; /* No info field */
1da177e4
LT		 1177 sense_buf[1] = 0; /* Segment number, always zero */
1178
8e31e607 1179 sense_buf[2] = sense_key; /* Sense key */
1da177e4
LT		 1180
1181 sense_buf[12] = sense_code; /* Additional sense code */
1182 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
8e31e607 1183
1da177e4 1184 if (sense_key == ILLEGAL_REQUEST) {
8e31e607 1185 sense_buf[7] = 10; /* Additional sense length */
1da177e4 1186
8e31e607 1187 sense_buf[15] = bit_pointer;
1da177e4 1188 /* Illegal parameter is in the parameter block */
1da177e4 1189 if (sense_code == SENCODE_INVALID_CDB_FIELD)
8e31e607 1190 sense_buf[15] |= 0xc0;/* Std sense key specific field */
1da177e4 1191 /* Illegal parameter is in the CDB block */
1da177e4
LT		 1192 sense_buf[16] = field_pointer >> 8; /* MSB */
1193 sense_buf[17] = field_pointer; /* LSB */
8e31e607
SM		 1194 } else
1195 sense_buf[7] = 6; /* Additional sense length */
1da177e4
LT		 1196}
1197
e8f32de5
MH		 1198static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1199{
1200 if (lba & 0xffffffff00000000LL) {
1201 int cid = scmd_id(cmd);
1202 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1203 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1204 SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 1205 set_sense(&dev->fsa_dev[cid].sense_data,
1206 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1207 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
e8f32de5 1208 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 1209 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1210 SCSI_SENSE_BUFFERSIZE));
e8f32de5
MH		 1211 cmd->scsi_done(cmd);
1212 return 1;
1213 }
1214 return 0;
1215}
1216
1217static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1218{
1219 return 0;
1220}
1221
1222static void io_callback(void *context, struct fib * fibptr);
1223
1224static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1225{
85d22bbf
MR		 1226 struct aac_dev *dev = fib->dev;
1227 u16 fibsize, command;
0b433447 1228 long ret;
85d22bbf 1229
e8f32de5 1230 aac_fib_init(fib);
d1ef4da8
RAR		 1231 if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1232 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1233 !dev->sync_mode) {
85d22bbf
MR		 1234 struct aac_raw_io2 *readcmd2;
1235 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1236 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1237 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1238 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
b836439f
MR		 1239 readcmd2->byteCount = cpu_to_le32(count *
1240 dev->fsa_dev[scmd_id(cmd)].block_size);
85d22bbf
MR		 1241 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1242 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
0b433447
MR		 1243 ret = aac_build_sgraw2(cmd, readcmd2,
1244 dev->scsi_host_ptr->sg_tablesize);
1245 if (ret < 0)
1246 return ret;
85d22bbf
MR		 1247 command = ContainerRawIo2;
1248 fibsize = sizeof(struct aac_raw_io2) +
1249 ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1250 } else {
1251 struct aac_raw_io *readcmd;
1252 readcmd = (struct aac_raw_io *) fib_data(fib);
1253 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1254 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
b836439f
MR		 1255 readcmd->count = cpu_to_le32(count *
1256 dev->fsa_dev[scmd_id(cmd)].block_size);
85d22bbf
MR		 1257 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1258 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1259 readcmd->bpTotal = 0;
1260 readcmd->bpComplete = 0;
0b433447
MR		 1261 ret = aac_build_sgraw(cmd, &readcmd->sg);
1262 if (ret < 0)
1263 return ret;
85d22bbf
MR		 1264 command = ContainerRawIo;
1265 fibsize = sizeof(struct aac_raw_io) +
1266 ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1267 }
e8f32de5 1268
e8f32de5
MH		 1269 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1270 /*
1271 * Now send the Fib to the adapter
1272 */
85d22bbf 1273 return aac_fib_send(command,
e8f32de5
MH		 1274 fib,
1275 fibsize,
1276 FsaNormal,
1277 0, 1,
1278 (fib_callback) io_callback,
1279 (void *) cmd);
1280}
1281
1282static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1283{
1284 u16 fibsize;
1285 struct aac_read64 *readcmd;
0b433447
MR		 1286 long ret;
1287
e8f32de5
MH		 1288 aac_fib_init(fib);
1289 readcmd = (struct aac_read64 *) fib_data(fib);
1290 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1291 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1292 readcmd->sector_count = cpu_to_le16(count);
1293 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1294 readcmd->pad = 0;
1295 readcmd->flags = 0;
1296
0b433447
MR		 1297 ret = aac_build_sg64(cmd, &readcmd->sg);
1298 if (ret < 0)
1299 return ret;
e8f32de5
MH		 1300 fibsize = sizeof(struct aac_read64) +
1301 ((le32_to_cpu(readcmd->sg.count) - 1) *
1302 sizeof (struct sgentry64));
1303 BUG_ON (fibsize > (fib->dev->max_fib_size -
1304 sizeof(struct aac_fibhdr)));
1305 /*
1306 * Now send the Fib to the adapter
1307 */
1308 return aac_fib_send(ContainerCommand64,
1309 fib,
1310 fibsize,
1311 FsaNormal,
1312 0, 1,
1313 (fib_callback) io_callback,
1314 (void *) cmd);
1315}
1316
1317static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1318{
1319 u16 fibsize;
1320 struct aac_read *readcmd;
b836439f 1321 struct aac_dev *dev = fib->dev;
0b433447
MR		 1322 long ret;
1323
e8f32de5
MH		 1324 aac_fib_init(fib);
1325 readcmd = (struct aac_read *) fib_data(fib);
1326 readcmd->command = cpu_to_le32(VM_CtBlockRead);
f3307f72 1327 readcmd->cid = cpu_to_le32(scmd_id(cmd));
e8f32de5 1328 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
b836439f
MR		 1329 readcmd->count = cpu_to_le32(count *
1330 dev->fsa_dev[scmd_id(cmd)].block_size);
e8f32de5 1331
0b433447
MR		 1332 ret = aac_build_sg(cmd, &readcmd->sg);
1333 if (ret < 0)
1334 return ret;
e8f32de5
MH		 1335 fibsize = sizeof(struct aac_read) +
1336 ((le32_to_cpu(readcmd->sg.count) - 1) *
1337 sizeof (struct sgentry));
1338 BUG_ON (fibsize > (fib->dev->max_fib_size -
1339 sizeof(struct aac_fibhdr)));
1340 /*
1341 * Now send the Fib to the adapter
1342 */
1343 return aac_fib_send(ContainerCommand,
1344 fib,
1345 fibsize,
1346 FsaNormal,
1347 0, 1,
1348 (fib_callback) io_callback,
1349 (void *) cmd);
1350}
1351
9d399cc7 1352static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5 1353{
85d22bbf
MR		 1354 struct aac_dev *dev = fib->dev;
1355 u16 fibsize, command;
0b433447 1356 long ret;
85d22bbf 1357
e8f32de5 1358 aac_fib_init(fib);
d1ef4da8
RAR		 1359 if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1360 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1361 !dev->sync_mode) {
85d22bbf
MR		 1362 struct aac_raw_io2 *writecmd2;
1363 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1364 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1365 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1366 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
b836439f
MR		 1367 writecmd2->byteCount = cpu_to_le32(count *
1368 dev->fsa_dev[scmd_id(cmd)].block_size);
85d22bbf
MR		 1369 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1370 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1371 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1372 cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1373 cpu_to_le16(RIO2_IO_TYPE_WRITE);
0b433447
MR		 1374 ret = aac_build_sgraw2(cmd, writecmd2,
1375 dev->scsi_host_ptr->sg_tablesize);
1376 if (ret < 0)
1377 return ret;
85d22bbf
MR		 1378 command = ContainerRawIo2;
1379 fibsize = sizeof(struct aac_raw_io2) +
1380 ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1381 } else {
1382 struct aac_raw_io *writecmd;
1383 writecmd = (struct aac_raw_io *) fib_data(fib);
1384 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1385 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
b836439f
MR		 1386 writecmd->count = cpu_to_le32(count *
1387 dev->fsa_dev[scmd_id(cmd)].block_size);
85d22bbf
MR		 1388 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1389 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1390 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1391 cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1392 cpu_to_le16(RIO_TYPE_WRITE);
1393 writecmd->bpTotal = 0;
1394 writecmd->bpComplete = 0;
0b433447
MR		 1395 ret = aac_build_sgraw(cmd, &writecmd->sg);
1396 if (ret < 0)
1397 return ret;
85d22bbf
MR		 1398 command = ContainerRawIo;
1399 fibsize = sizeof(struct aac_raw_io) +
1400 ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1401 }
1402
e8f32de5
MH		 1403 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1404 /*
1405 * Now send the Fib to the adapter
1406 */
85d22bbf 1407 return aac_fib_send(command,
e8f32de5
MH		 1408 fib,
1409 fibsize,
1410 FsaNormal,
1411 0, 1,
1412 (fib_callback) io_callback,
1413 (void *) cmd);
1414}
1415
9d399cc7 1416static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5
MH		 1417{
1418 u16 fibsize;
1419 struct aac_write64 *writecmd;
0b433447
MR		 1420 long ret;
1421
e8f32de5
MH		 1422 aac_fib_init(fib);
1423 writecmd = (struct aac_write64 *) fib_data(fib);
1424 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1425 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1426 writecmd->sector_count = cpu_to_le16(count);
1427 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1428 writecmd->pad = 0;
1429 writecmd->flags = 0;
1430
0b433447
MR		 1431 ret = aac_build_sg64(cmd, &writecmd->sg);
1432 if (ret < 0)
1433 return ret;
e8f32de5
MH		 1434 fibsize = sizeof(struct aac_write64) +
1435 ((le32_to_cpu(writecmd->sg.count) - 1) *
1436 sizeof (struct sgentry64));
1437 BUG_ON (fibsize > (fib->dev->max_fib_size -
1438 sizeof(struct aac_fibhdr)));
1439 /*
1440 * Now send the Fib to the adapter
1441 */
1442 return aac_fib_send(ContainerCommand64,
1443 fib,
1444 fibsize,
1445 FsaNormal,
1446 0, 1,
1447 (fib_callback) io_callback,
1448 (void *) cmd);
1449}
1450
9d399cc7 1451static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5
MH		 1452{
1453 u16 fibsize;
1454 struct aac_write *writecmd;
b836439f 1455 struct aac_dev *dev = fib->dev;
0b433447
MR		 1456 long ret;
1457
e8f32de5
MH		 1458 aac_fib_init(fib);
1459 writecmd = (struct aac_write *) fib_data(fib);
1460 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
f3307f72 1461 writecmd->cid = cpu_to_le32(scmd_id(cmd));
e8f32de5 1462 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
b836439f
MR		 1463 writecmd->count = cpu_to_le32(count *
1464 dev->fsa_dev[scmd_id(cmd)].block_size);
e8f32de5
MH		 1465 writecmd->sg.count = cpu_to_le32(1);
1466 /* ->stable is not used - it did mean which type of write */
1467
0b433447
MR		 1468 ret = aac_build_sg(cmd, &writecmd->sg);
1469 if (ret < 0)
1470 return ret;
e8f32de5
MH		 1471 fibsize = sizeof(struct aac_write) +
1472 ((le32_to_cpu(writecmd->sg.count) - 1) *
1473 sizeof (struct sgentry));
1474 BUG_ON (fibsize > (fib->dev->max_fib_size -
1475 sizeof(struct aac_fibhdr)));
1476 /*
1477 * Now send the Fib to the adapter
1478 */
1479 return aac_fib_send(ContainerCommand,
1480 fib,
1481 fibsize,
1482 FsaNormal,
1483 0, 1,
1484 (fib_callback) io_callback,
1485 (void *) cmd);
1486}
1487
1488static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1489{
1490 struct aac_srb * srbcmd;
1491 u32 flag;
1492 u32 timeout;
1493
1494 aac_fib_init(fib);
1495 switch(cmd->sc_data_direction){
1496 case DMA_TO_DEVICE:
1497 flag = SRB_DataOut;
1498 break;
1499 case DMA_BIDIRECTIONAL:
1500 flag = SRB_DataIn | SRB_DataOut;
1501 break;
1502 case DMA_FROM_DEVICE:
1503 flag = SRB_DataIn;
1504 break;
1505 case DMA_NONE:
1506 default: /* shuts up some versions of gcc */
1507 flag = SRB_NoDataXfer;
1508 break;
1509 }
1510
1511 srbcmd = (struct aac_srb*) fib_data(fib);
1512 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1513 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1514 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1515 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1516 srbcmd->flags = cpu_to_le32(flag);
242f9dcb 1517 timeout = cmd->request->timeout/HZ;
e8f32de5
MH		 1518 if (timeout == 0)
1519 timeout = 1;
1520 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1521 srbcmd->retry_limit = 0; /* Obsolete parameter */
1522 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1523 return srbcmd;
1524}
1525
ab5d129f
RAR		 1526static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1527 struct scsi_cmnd *cmd)
1528{
1529 struct aac_hba_cmd_req *hbacmd;
1530 struct aac_dev *dev;
1531 int bus, target;
1532 u64 address;
1533
1534 dev = (struct aac_dev *)cmd->device->host->hostdata;
1535
1536 hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1537 memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */
1538 /* iu_type is a parameter of aac_hba_send */
1539 switch (cmd->sc_data_direction) {
1540 case DMA_TO_DEVICE:
1541 hbacmd->byte1 = 2;
1542 break;
1543 case DMA_FROM_DEVICE:
1544 case DMA_BIDIRECTIONAL:
1545 hbacmd->byte1 = 1;
1546 break;
1547 case DMA_NONE:
1548 default:
1549 break;
1550 }
1551 hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1552
1553 bus = aac_logical_to_phys(scmd_channel(cmd));
1554 target = scmd_id(cmd);
1555 hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1556
1557 /* we fill in reply_qid later in aac_src_deliver_message */
1558 /* we fill in iu_type, request_id later in aac_hba_send */
1559 /* we fill in emb_data_desc_count later in aac_build_sghba */
1560
1561 memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1562 hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1563
1564 address = (u64)fib->hw_error_pa;
1565 hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1566 hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1567 hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1568
1569 return hbacmd;
1570}
1571
e8f32de5
MH		 1572static void aac_srb_callback(void *context, struct fib * fibptr);
1573
1574static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1575{
1576 u16 fibsize;
1577 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
0b433447 1578 long ret;
e8f32de5 1579
0b433447
MR		 1580 ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1581 if (ret < 0)
1582 return ret;
727eead6 1583 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
e8f32de5
MH		 1584
1585 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1586 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1587 /*
1588 * Build Scatter/Gather list
1589 */
1590 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1591 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1592 sizeof (struct sgentry64));
1593 BUG_ON (fibsize > (fib->dev->max_fib_size -
1594 sizeof(struct aac_fibhdr)));
1595
1596 /*
1597 * Now send the Fib to the adapter
1598 */
1599 return aac_fib_send(ScsiPortCommand64, fib,
1600 fibsize, FsaNormal, 0, 1,
1601 (fib_callback) aac_srb_callback,
1602 (void *) cmd);
1603}
1604
1605static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1606{
1607 u16 fibsize;
1608 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
0b433447 1609 long ret;
e8f32de5 1610
0b433447
MR		 1611 ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1612 if (ret < 0)
1613 return ret;
727eead6 1614 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
e8f32de5
MH		 1615
1616 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1617 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1618 /*
1619 * Build Scatter/Gather list
1620 */
1621 fibsize = sizeof (struct aac_srb) +
1622 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1623 sizeof (struct sgentry));
1624 BUG_ON (fibsize > (fib->dev->max_fib_size -
1625 sizeof(struct aac_fibhdr)));
1626
1627 /*
1628 * Now send the Fib to the adapter
1629 */
1630 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1631 (fib_callback) aac_srb_callback, (void *) cmd);
1632}
1633
94cf6ba1
SM		 1634static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1635{
d8e96507
LA		 1636 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1637 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
94cf6ba1
SM		 1638 return FAILED;
1639 return aac_scsi_32(fib, cmd);
1640}
1641
ab5d129f
RAR		 1642static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1643{
1644 struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1645 struct aac_dev *dev;
1646 long ret;
1647
1648 dev = (struct aac_dev *)cmd->device->host->hostdata;
1649
1650 ret = aac_build_sghba(cmd, hbacmd,
1651 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1652 if (ret < 0)
1653 return ret;
1654
1655 /*
1656 * Now send the HBA command to the adapter
1657 */
1658 fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1659 sizeof(struct aac_hba_sgl);
1660
1661 return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1662 (fib_callback) aac_hba_callback,
1663 (void *) cmd);
1664}
1665
71a91ca4
RAR		 1666int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target)
1667{
1668 struct fib *fibptr;
1669 struct aac_srb *srbcmd;
1670 struct sgmap64 *sg64;
1671 struct aac_ciss_identify_pd *identify_resp;
1672 dma_addr_t addr;
1673 u32 vbus, vid;
1674 u16 fibsize, datasize;
1675 int rcode = -ENOMEM;
1676
ab5d129f 1677
71a91ca4
RAR		 1678 fibptr = aac_fib_alloc(dev);
1679 if (!fibptr)
1680 goto out;
1681
1682 fibsize = sizeof(struct aac_srb) -
1683 sizeof(struct sgentry) + sizeof(struct sgentry64);
1684 datasize = sizeof(struct aac_ciss_identify_pd);
1685
f481973d
MR		 1686 identify_resp = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
1687 GFP_KERNEL);
71a91ca4
RAR		 1688 if (!identify_resp)
1689 goto fib_free_ptr;
1690
1c68856e
RAR		 1691 vbus = (u32)le16_to_cpu(dev->supplement_adapter_info.virt_device_bus);
1692 vid = (u32)le16_to_cpu(dev->supplement_adapter_info.virt_device_target);
71a91ca4
RAR		 1693
1694 aac_fib_init(fibptr);
1695
1696 srbcmd = (struct aac_srb *) fib_data(fibptr);
1697 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1698 srbcmd->channel = cpu_to_le32(vbus);
1699 srbcmd->id = cpu_to_le32(vid);
1700 srbcmd->lun = 0;
1701 srbcmd->flags = cpu_to_le32(SRB_DataIn);
1702 srbcmd->timeout = cpu_to_le32(10);
1703 srbcmd->retry_limit = 0;
1704 srbcmd->cdb_size = cpu_to_le32(12);
1705 srbcmd->count = cpu_to_le32(datasize);
1706
1707 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1708 srbcmd->cdb[0] = 0x26;
1709 srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1710 srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE;
1711
1712 sg64 = (struct sgmap64 *)&srbcmd->sg;
1713 sg64->count = cpu_to_le32(1);
1714 sg64->sg[0].addr[1] = cpu_to_le32((u32)(((addr) >> 16) >> 16));
1715 sg64->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
1716 sg64->sg[0].count = cpu_to_le32(datasize);
1717
1718 rcode = aac_fib_send(ScsiPortCommand64,
1719 fibptr, fibsize, FsaNormal, 1, 1, NULL, NULL);
1720
1721 if (identify_resp->current_queue_depth_limit <= 0 ||
1722 identify_resp->current_queue_depth_limit > 32)
1723 dev->hba_map[bus][target].qd_limit = 32;
1724 else
1725 dev->hba_map[bus][target].qd_limit =
1726 identify_resp->current_queue_depth_limit;
1727
f481973d 1728 dma_free_coherent(&dev->pdev->dev, datasize, identify_resp, addr);
71a91ca4
RAR		 1729
1730 aac_fib_complete(fibptr);
1731
1732fib_free_ptr:
1733 aac_fib_free(fibptr);
1734out:
1735 return rcode;
1736}
1737
c83b11e3
RAR		 1738/**
1739 * aac_update hba_map()- update current hba map with data from FW
1740 * @dev: aac_dev structure
1741 * @phys_luns: FW information from report phys luns
1742 *
1743 * Update our hba map with the information gathered from the FW
1744 */
1745void aac_update_hba_map(struct aac_dev *dev,
6223a39f 1746 struct aac_ciss_phys_luns_resp *phys_luns, int rescan)
c83b11e3
RAR		 1747{
1748 /* ok and extended reporting */
1749 u32 lun_count, nexus;
1750 u32 i, bus, target;
1751 u8 expose_flag, attribs;
1752 u8 devtype;
1753
1754 lun_count = ((phys_luns->list_length[0] << 24)
1755 + (phys_luns->list_length[1] << 16)
1756 + (phys_luns->list_length[2] << 8)
1757 + (phys_luns->list_length[3])) / 24;
1758
1759 for (i = 0; i < lun_count; ++i) {
1760
1761 bus = phys_luns->lun[i].level2[1] & 0x3f;
1762 target = phys_luns->lun[i].level2[0];
1763 expose_flag = phys_luns->lun[i].bus >> 6;
1764 attribs = phys_luns->lun[i].node_ident[9];
1765 nexus = *((u32 *) &phys_luns->lun[i].node_ident[12]);
1766
1767 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1768 continue;
1769
1770 dev->hba_map[bus][target].expose = expose_flag;
1771
1772 if (expose_flag != 0) {
1773 devtype = AAC_DEVTYPE_RAID_MEMBER;
1774 goto update_devtype;
1775 }
1776
1777 if (nexus != 0 && (attribs & 8)) {
1778 devtype = AAC_DEVTYPE_NATIVE_RAW;
1779 dev->hba_map[bus][target].rmw_nexus =
1780 nexus;
1781 } else
1782 devtype = AAC_DEVTYPE_ARC_RAW;
1783
1784 if (devtype != AAC_DEVTYPE_NATIVE_RAW)
1785 goto update_devtype;
1786
71a91ca4
RAR		 1787 if (aac_issue_bmic_identify(dev, bus, target) < 0)
1788 dev->hba_map[bus][target].qd_limit = 32;
1789
c83b11e3 1790update_devtype:
6223a39f
RAR		 1791 if (rescan == AAC_INIT)
1792 dev->hba_map[bus][target].devtype = devtype;
1793 else
1794 dev->hba_map[bus][target].new_devtype = devtype;
c83b11e3
RAR		 1795 }
1796}
1797
1798/**
1799 * aac_report_phys_luns() Process topology change
1800 * @dev: aac_dev structure
1801 * @fibptr: fib pointer
1802 *
1803 * Execute a CISS REPORT PHYS LUNS and process the results into
1804 * the current hba_map.
1805 */
6223a39f 1806int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
c83b11e3
RAR		 1807{
1808 int fibsize, datasize;
1809 struct aac_ciss_phys_luns_resp *phys_luns;
1810 struct aac_srb *srbcmd;
1811 struct sgmap64 *sg64;
1812 dma_addr_t addr;
1813 u32 vbus, vid;
76291469 1814 int rcode = 0;
c83b11e3
RAR		 1815
1816 /* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
1817 fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry)
1818 + sizeof(struct sgentry64);
1819 datasize = sizeof(struct aac_ciss_phys_luns_resp)
1820 + (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1821
f481973d
MR		 1822 phys_luns = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
1823 GFP_KERNEL);
c83b11e3
RAR		 1824 if (phys_luns == NULL) {
1825 rcode = -ENOMEM;
1826 goto err_out;
1827 }
1828
1829 vbus = (u32) le16_to_cpu(
1c68856e 1830 dev->supplement_adapter_info.virt_device_bus);
c83b11e3 1831 vid = (u32) le16_to_cpu(
1c68856e 1832 dev->supplement_adapter_info.virt_device_target);
c83b11e3
RAR		 1833
1834 aac_fib_init(fibptr);
1835
1836 srbcmd = (struct aac_srb *) fib_data(fibptr);
1837 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1838 srbcmd->channel = cpu_to_le32(vbus);
1839 srbcmd->id = cpu_to_le32(vid);
1840 srbcmd->lun = 0;
1841 srbcmd->flags = cpu_to_le32(SRB_DataIn);
1842 srbcmd->timeout = cpu_to_le32(10);
1843 srbcmd->retry_limit = 0;
1844 srbcmd->cdb_size = cpu_to_le32(12);
1845 srbcmd->count = cpu_to_le32(datasize);
1846
1847 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1848 srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
1849 srbcmd->cdb[1] = 2; /* extended reporting */
1850 srbcmd->cdb[8] = (u8)(datasize >> 8);
1851 srbcmd->cdb[9] = (u8)(datasize);
1852
1853 sg64 = (struct sgmap64 *) &srbcmd->sg;
1854 sg64->count = cpu_to_le32(1);
1855 sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
1856 sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
1857 sg64->sg[0].count = cpu_to_le32(datasize);
1858
1859 rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize,
1860 FsaNormal, 1, 1, NULL, NULL);
1861
1862 /* analyse data */
1863 if (rcode >= 0 && phys_luns->resp_flag == 2) {
1864 /* ok and extended reporting */
6223a39f 1865 aac_update_hba_map(dev, phys_luns, rescan);
c83b11e3
RAR		 1866 }
1867
f481973d 1868 dma_free_coherent(&dev->pdev->dev, datasize, phys_luns, addr);
c83b11e3
RAR		 1869err_out:
1870 return rcode;
1871}
1872
1da177e4
LT		 1873int aac_get_adapter_info(struct aac_dev* dev)
1874{
1875 struct fib* fibptr;
1da177e4 1876 int rcode;
c83b11e3 1877 u32 tmp, bus, target;
84971738
MH		 1878 struct aac_adapter_info *info;
1879 struct aac_bus_info *command;
1880 struct aac_bus_info_response *bus_info;
7c00ffa3 1881
bfb35aa8 1882 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 1883 return -ENOMEM;
1884
bfb35aa8 1885 aac_fib_init(fibptr);
7c00ffa3
MH		 1886 info = (struct aac_adapter_info *) fib_data(fibptr);
1887 memset(info,0,sizeof(*info));
1da177e4 1888
bfb35aa8 1889 rcode = aac_fib_send(RequestAdapterInfo,
8ce3eca4 1890 fibptr,
7c00ffa3 1891 sizeof(*info),
8ce3eca4 1892 FsaNormal,
9203344c 1893 -1, 1, /* First `interrupt' command uses special wait */
8ce3eca4 1894 NULL,
7c00ffa3
MH		 1895 NULL);
1896
1897 if (rcode < 0) {
cacb6dc3
PNRCEH		 1898 /* FIB should be freed only after
1899 * getting the response from the F/W */
1900 if (rcode != -ERESTARTSYS) {
1901 aac_fib_complete(fibptr);
1902 aac_fib_free(fibptr);
1903 }
7c00ffa3
MH		 1904 return rcode;
1905 }
1906 memcpy(&dev->adapter_info, info, sizeof(*info));
1da177e4 1907
1c68856e 1908 dev->supplement_adapter_info.virt_device_bus = 0xffff;
7c00ffa3 1909 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
06a43d17 1910 struct aac_supplement_adapter_info * sinfo;
7c00ffa3 1911
bfb35aa8 1912 aac_fib_init(fibptr);
7c00ffa3 1913
06a43d17 1914 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
7c00ffa3 1915
06a43d17 1916 memset(sinfo,0,sizeof(*sinfo));
7c00ffa3 1917
bfb35aa8 1918 rcode = aac_fib_send(RequestSupplementAdapterInfo,
7c00ffa3 1919 fibptr,
06a43d17 1920 sizeof(*sinfo),
7c00ffa3
MH		 1921 FsaNormal,
1922 1, 1,
1923 NULL,
1924 NULL);
1925
1926 if (rcode >= 0)
06a43d17 1927 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
cacb6dc3
PNRCEH		 1928 if (rcode == -ERESTARTSYS) {
1929 fibptr = aac_fib_alloc(dev);
1930 if (!fibptr)
1931 return -ENOMEM;
1932 }
1933
7c00ffa3 1934 }
1da177e4 1935
c83b11e3
RAR		 1936 /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
1937 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
71a91ca4 1938 for (target = 0; target < AAC_MAX_TARGETS; target++) {
c83b11e3 1939 dev->hba_map[bus][target].devtype = 0;
71a91ca4
RAR		 1940 dev->hba_map[bus][target].qd_limit = 0;
1941 }
c83b11e3 1942 }
84971738 1943
8ce3eca4
SM		 1944 /*
1945 * GetBusInfo
84971738
MH		 1946 */
1947
bfb35aa8 1948 aac_fib_init(fibptr);
84971738
MH		 1949
1950 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1951
1952 memset(bus_info, 0, sizeof(*bus_info));
1953
1954 command = (struct aac_bus_info *)bus_info;
1955
1956 command->Command = cpu_to_le32(VM_Ioctl);
1957 command->ObjType = cpu_to_le32(FT_DRIVE);
1958 command->MethodId = cpu_to_le32(1);
1959 command->CtlCmd = cpu_to_le32(GetBusInfo);
1960
bfb35aa8 1961 rcode = aac_fib_send(ContainerCommand,
84971738
MH		 1962 fibptr,
1963 sizeof (*bus_info),
1964 FsaNormal,
1965 1, 1,
1966 NULL, NULL);
1967
94cf6ba1
SM		 1968 /* reasoned default */
1969 dev->maximum_num_physicals = 16;
84971738
MH		 1970 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1971 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1972 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1973 }
1974
c83b11e3 1975 if (!dev->sync_mode && dev->sa_firmware &&
1c68856e 1976 dev->supplement_adapter_info.virt_device_bus != 0xffff) {
c83b11e3 1977 /* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
6223a39f 1978 rcode = aac_report_phys_luns(dev, fibptr, AAC_INIT);
c83b11e3
RAR		 1979 }
1980
8c867b25 1981 if (!dev->in_reset) {
24f02e1d 1982 char buffer[16];
8c867b25
MH		 1983 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1984 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
8ce3eca4 1985 dev->name,
1da177e4
LT		 1986 dev->id,
1987 tmp>>24,
1988 (tmp>>16)&0xff,
1989 tmp&0xff,
7c00ffa3 1990 le32_to_cpu(dev->adapter_info.kernelbuild),
1c68856e
RAR		 1991 (int)sizeof(dev->supplement_adapter_info.build_date),
1992 dev->supplement_adapter_info.build_date);
8c867b25
MH		 1993 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1994 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1da177e4
LT		 1995 dev->name, dev->id,
1996 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1997 le32_to_cpu(dev->adapter_info.monitorbuild));
8c867b25
MH		 1998 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1999 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1da177e4
LT		 2000 dev->name, dev->id,
2001 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2002 le32_to_cpu(dev->adapter_info.biosbuild));
24f02e1d 2003 buffer[0] = '\0';
ee959b00 2004 if (aac_get_serial_number(
24f02e1d
SM		 2005 shost_to_class(dev->scsi_host_ptr), buffer))
2006 printk(KERN_INFO "%s%d: serial %s",
2007 dev->name, dev->id, buffer);
1c68856e 2008 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
a45c863f
SM		 2009 printk(KERN_INFO "%s%d: TSID %.*s\n",
2010 dev->name, dev->id,
1c68856e
RAR		 2011 (int)sizeof(dev->supplement_adapter_info
2012 .vpd_info.tsid),
2013 dev->supplement_adapter_info.vpd_info.tsid);
a45c863f 2014 }
2f7ecc55 2015 if (!aac_check_reset || ((aac_check_reset == 1) &&
1c68856e 2016 (dev->supplement_adapter_info.supported_options2 &
a3940da5 2017 AAC_OPTION_IGNORE_RESET))) {
29c97684
SM		 2018 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2019 dev->name, dev->id);
2020 }
8c867b25 2021 }
1da177e4 2022
95e852e1 2023 dev->cache_protected = 0;
1c68856e 2024 dev->jbod = ((dev->supplement_adapter_info.feature_bits &
cb1042f2 2025 AAC_FEATURE_JBOD) != 0);
1da177e4
LT		 2026 dev->nondasd_support = 0;
2027 dev->raid_scsi_mode = 0;
95e852e1 2028 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1da177e4 2029 dev->nondasd_support = 1;
1da177e4
LT		 2030
2031 /*
2032 * If the firmware supports ROMB RAID/SCSI mode and we are currently
2033 * in RAID/SCSI mode, set the flag. For now if in this mode we will
2034 * force nondasd support on. If we decide to allow the non-dasd flag
2035 * additional changes changes will have to be made to support
2036 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
2037 * changed to support the new dev->raid_scsi_mode flag instead of
2038 * leaching off of the dev->nondasd_support flag. Also in linit.c the
2039 * function aac_detect will have to be modified where it sets up the
2040 * max number of channels based on the aac->nondasd_support flag only.
2041 */
2042 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2043 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2044 dev->nondasd_support = 1;
2045 dev->raid_scsi_mode = 1;
2046 }
2047 if (dev->raid_scsi_mode != 0)
2048 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2049 dev->name, dev->id);
8ce3eca4 2050
95e852e1 2051 if (nondasd != -1)
1da177e4 2052 dev->nondasd_support = (nondasd!=0);
2f7ecc55 2053 if (dev->nondasd_support && !dev->in_reset)
1da177e4 2054 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1da177e4 2055
e930438c 2056 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
d8e96507 2057 dev->needs_dac = 1;
1da177e4 2058 dev->dac_support = 0;
d8e96507
LA		 2059 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2060 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2f7ecc55
SM		 2061 if (!dev->in_reset)
2062 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2063 dev->name, dev->id);
1da177e4
LT		 2064 dev->dac_support = 1;
2065 }
2066
2067 if(dacmode != -1) {
2068 dev->dac_support = (dacmode!=0);
2069 }
d8e96507
LA		 2070
2071 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2072 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2073 & AAC_QUIRK_SCSI_32)) {
2074 dev->nondasd_support = 0;
2075 dev->jbod = 0;
2076 expose_physicals = 0;
2077 }
2078
8105d39d
RAR		 2079 if (dev->dac_support) {
2080 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
2f7ecc55 2081 if (!dev->in_reset)
8105d39d
RAR		 2082 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2083 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
2084 dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
1da177e4
LT		 2085 dev->dac_support = 0;
2086 } else {
8105d39d 2087 dev_info(&dev->pdev->dev, "No suitable DMA available\n");
1da177e4
LT		 2088 rcode = -ENOMEM;
2089 }
2090 }
8ce3eca4 2091 /*
e8f32de5
MH		 2092 * Deal with configuring for the individualized limits of each packet
2093 * interface.
7c00ffa3 2094 */
e8f32de5 2095 dev->a_ops.adapter_scsi = (dev->dac_support)
94cf6ba1
SM		 2096 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2097 ? aac_scsi_32_64
2098 : aac_scsi_64)
e8f32de5
MH		 2099 : aac_scsi_32;
2100 if (dev->raw_io_interface) {
2101 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2102 ? aac_bounds_64
2103 : aac_bounds_32;
2104 dev->a_ops.adapter_read = aac_read_raw_io;
2105 dev->a_ops.adapter_write = aac_write_raw_io;
2106 } else {
2107 dev->a_ops.adapter_bounds = aac_bounds_32;
0e68c003 2108 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
7c00ffa3 2109 sizeof(struct aac_fibhdr) -
63a70eea
MH		 2110 sizeof(struct aac_write) + sizeof(struct sgentry)) /
2111 sizeof(struct sgentry);
0e68c003 2112 if (dev->dac_support) {
e8f32de5
MH		 2113 dev->a_ops.adapter_read = aac_read_block64;
2114 dev->a_ops.adapter_write = aac_write_block64;
8ce3eca4
SM		 2115 /*
2116 * 38 scatter gather elements
0e68c003
MH		 2117 */
2118 dev->scsi_host_ptr->sg_tablesize =
2119 (dev->max_fib_size -
2120 sizeof(struct aac_fibhdr) -
2121 sizeof(struct aac_write64) +
63a70eea
MH		 2122 sizeof(struct sgentry64)) /
2123 sizeof(struct sgentry64);
e8f32de5
MH		 2124 } else {
2125 dev->a_ops.adapter_read = aac_read_block;
2126 dev->a_ops.adapter_write = aac_write_block;
0e68c003
MH		 2127 }
2128 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
e8b12f0f 2129 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
0e68c003
MH		 2130 /*
2131 * Worst case size that could cause sg overflow when
2132 * we break up SG elements that are larger than 64KB.
2133 * Would be nice if we could tell the SCSI layer what
2134 * the maximum SG element size can be. Worst case is
2135 * (sg_tablesize-1) 4KB elements with one 64KB
2136 * element.
2137 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
2138 */
2139 dev->scsi_host_ptr->max_sectors =
2140 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2141 }
7c00ffa3 2142 }
ab5d129f
RAR		 2143 if (!dev->sync_mode && dev->sa_firmware &&
2144 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2145 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2146 HBA_MAX_SG_SEPARATE;
2147
cacb6dc3
PNRCEH		 2148 /* FIB should be freed only after getting the response from the F/W */
2149 if (rcode != -ERESTARTSYS) {
2150 aac_fib_complete(fibptr);
2151 aac_fib_free(fibptr);
2152 }
1da177e4
LT		 2153
2154 return rcode;
2155}
2156
2157
e53cb35a 2158static void io_callback(void *context, struct fib * fibptr)
1da177e4
LT		 2159{
2160 struct aac_dev *dev;
2161 struct aac_read_reply *readreply;
2162 struct scsi_cmnd *scsicmd;
1da177e4
LT		 2163 u32 cid;
2164
2165 scsicmd = (struct scsi_cmnd *) context;
2166
03d44337
MH		 2167 if (!aac_valid_context(scsicmd, fibptr))
2168 return;
2169
1a655040 2170 dev = fibptr->dev;
e5718774 2171 cid = scmd_id(scsicmd);
1da177e4 2172
7a8cf29d
MH		 2173 if (nblank(dprintk(x))) {
2174 u64 lba;
2175 switch (scsicmd->cmnd[0]) {
2176 case WRITE_6:
2177 case READ_6:
2178 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2179 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2180 break;
2181 case WRITE_16:
2182 case READ_16:
2183 lba = ((u64)scsicmd->cmnd[2] << 56) |
2184 ((u64)scsicmd->cmnd[3] << 48) |
2185 ((u64)scsicmd->cmnd[4] << 40) |
2186 ((u64)scsicmd->cmnd[5] << 32) |
2187 ((u64)scsicmd->cmnd[6] << 24) |
2188 (scsicmd->cmnd[7] << 16) |
2189 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2190 break;
2191 case WRITE_12:
2192 case READ_12:
2193 lba = ((u64)scsicmd->cmnd[2] << 24) |
2194 (scsicmd->cmnd[3] << 16) |
2195 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2196 break;
2197 default:
2198 lba = ((u64)scsicmd->cmnd[2] << 24) |
2199 (scsicmd->cmnd[3] << 16) |
2200 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2201 break;
2202 }
2203 printk(KERN_DEBUG
2204 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2205 smp_processor_id(), (unsigned long long)lba, jiffies);
2206 }
1da177e4 2207
125e1874 2208 BUG_ON(fibptr == NULL);
727eead6
FT		 2209
2210 scsi_dma_unmap(scsicmd);
2211
1da177e4 2212 readreply = (struct aac_read_reply *)fib_data(fibptr);
655d722c
MS		 2213 switch (le32_to_cpu(readreply->status)) {
2214 case ST_OK:
2215 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2216 SAM_STAT_GOOD;
2217 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2218 break;
2219 case ST_NOT_READY:
2220 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2221 SAM_STAT_CHECK_CONDITION;
2222 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2223 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2224 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2225 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2226 SCSI_SENSE_BUFFERSIZE));
f956a669
RAR		 2227 break;
2228 case ST_MEDERR:
2229 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2230 SAM_STAT_CHECK_CONDITION;
2231 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2232 SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2233 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2234 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2235 SCSI_SENSE_BUFFERSIZE));
655d722c
MS		 2236 break;
2237 default:
7c00ffa3 2238#ifdef AAC_DETAILED_STATUS_INFO
e53cb35a 2239 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
7c00ffa3
MH		 2240 le32_to_cpu(readreply->status));
2241#endif
655d722c
MS		 2242 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2243 SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2244 set_sense(&dev->fsa_dev[cid].sense_data,
2245 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2246 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1da177e4 2247 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 2248 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2249 SCSI_SENSE_BUFFERSIZE));
655d722c 2250 break;
1da177e4 2251 }
bfb35aa8 2252 aac_fib_complete(fibptr);
1da177e4 2253
8e0c5ebd 2254 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 2255}
2256
9e7c349c 2257static int aac_read(struct scsi_cmnd * scsicmd)
1da177e4 2258{
7a8cf29d 2259 u64 lba;
1da177e4
LT		 2260 u32 count;
2261 int status;
1da177e4
LT		 2262 struct aac_dev *dev;
2263 struct fib * cmd_fibcontext;
da3cc679 2264 int cid;
1da177e4
LT		 2265
2266 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2267 /*
2268 * Get block address and transfer length
2269 */
7a8cf29d
MH		 2270 switch (scsicmd->cmnd[0]) {
2271 case READ_6:
9e7c349c 2272 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 2273
8ce3eca4 2274 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
7a8cf29d 2275 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1da177e4
LT		 2276 count = scsicmd->cmnd[4];
2277
2278 if (count == 0)
2279 count = 256;
7a8cf29d
MH		 2280 break;
2281 case READ_16:
9e7c349c 2282 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 2283
8ce3eca4
SM		 2284 lba = ((u64)scsicmd->cmnd[2] << 56) |
2285 ((u64)scsicmd->cmnd[3] << 48) |
7a8cf29d
MH		 2286 ((u64)scsicmd->cmnd[4] << 40) |
2287 ((u64)scsicmd->cmnd[5] << 32) |
8ce3eca4 2288 ((u64)scsicmd->cmnd[6] << 24) |
7a8cf29d
MH		 2289 (scsicmd->cmnd[7] << 16) |
2290 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
8ce3eca4 2291 count = (scsicmd->cmnd[10] << 24) |
7a8cf29d
MH		 2292 (scsicmd->cmnd[11] << 16) |
2293 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2294 break;
2295 case READ_12:
9e7c349c 2296 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 2297
8ce3eca4 2298 lba = ((u64)scsicmd->cmnd[2] << 24) |
7a8cf29d 2299 (scsicmd->cmnd[3] << 16) |
8ce3eca4
SM		 2300 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2301 count = (scsicmd->cmnd[6] << 24) |
7a8cf29d 2302 (scsicmd->cmnd[7] << 16) |
8ce3eca4 2303 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
7a8cf29d
MH		 2304 break;
2305 default:
9e7c349c 2306 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 2307
8ce3eca4
SM		 2308 lba = ((u64)scsicmd->cmnd[2] << 24) |
2309 (scsicmd->cmnd[3] << 16) |
7a8cf29d 2310 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4 2311 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
7a8cf29d 2312 break;
1da177e4 2313 }
da3cc679
RM		 2314
2315 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2316 cid = scmd_id(scsicmd);
2317 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2318 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2319 SAM_STAT_CHECK_CONDITION;
2320 set_sense(&dev->fsa_dev[cid].sense_data,
2321 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2322 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2323 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2324 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2325 SCSI_SENSE_BUFFERSIZE));
2326 scsicmd->scsi_done(scsicmd);
2327 return 1;
2328 }
2329
7a8cf29d 2330 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
7c00ffa3 2331 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 2332 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 2333 return 0;
1da177e4
LT		 2334 /*
2335 * Alocate and initialize a Fib
2336 */
6bf3b630 2337 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1da177e4 2338
e8f32de5 2339 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1da177e4
LT		 2340
2341 /*
2342 * Check that the command queued to the controller
2343 */
77d644d4
MH		 2344 if (status == -EINPROGRESS) {
2345 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 2346 return 0;
77d644d4 2347 }
8ce3eca4 2348
bfb35aa8 2349 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1da177e4
LT		 2350 /*
2351 * For some reason, the Fib didn't queue, return QUEUE_FULL
2352 */
2353 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 2354 scsicmd->scsi_done(scsicmd);
bfb35aa8
MH		 2355 aac_fib_complete(cmd_fibcontext);
2356 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 2357 return 0;
2358}
2359
9e7c349c 2360static int aac_write(struct scsi_cmnd * scsicmd)
1da177e4 2361{
7a8cf29d 2362 u64 lba;
1da177e4 2363 u32 count;
9d399cc7 2364 int fua;
1da177e4 2365 int status;
1da177e4
LT		 2366 struct aac_dev *dev;
2367 struct fib * cmd_fibcontext;
da3cc679 2368 int cid;
1da177e4
LT		 2369
2370 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2371 /*
2372 * Get block address and transfer length
2373 */
2374 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
2375 {
2376 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2377 count = scsicmd->cmnd[4];
2378 if (count == 0)
2379 count = 256;
9d399cc7 2380 fua = 0;
7a8cf29d 2381 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
9e7c349c 2382 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 2383
8ce3eca4 2384 lba = ((u64)scsicmd->cmnd[2] << 56) |
7a8cf29d
MH		 2385 ((u64)scsicmd->cmnd[3] << 48) |
2386 ((u64)scsicmd->cmnd[4] << 40) |
2387 ((u64)scsicmd->cmnd[5] << 32) |
8ce3eca4 2388 ((u64)scsicmd->cmnd[6] << 24) |
7a8cf29d
MH		 2389 (scsicmd->cmnd[7] << 16) |
2390 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2391 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2392 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
9d399cc7 2393 fua = scsicmd->cmnd[1] & 0x8;
7a8cf29d 2394 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
9e7c349c 2395 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 2396
2397 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2398 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2399 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2400 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
9d399cc7 2401 fua = scsicmd->cmnd[1] & 0x8;
1da177e4 2402 } else {
9e7c349c 2403 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 2404 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4 2405 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
9d399cc7 2406 fua = scsicmd->cmnd[1] & 0x8;
1da177e4 2407 }
da3cc679
RM		 2408
2409 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2410 cid = scmd_id(scsicmd);
2411 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2412 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2413 SAM_STAT_CHECK_CONDITION;
2414 set_sense(&dev->fsa_dev[cid].sense_data,
2415 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2416 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2417 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2418 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2419 SCSI_SENSE_BUFFERSIZE));
2420 scsicmd->scsi_done(scsicmd);
2421 return 1;
2422 }
2423
7a8cf29d 2424 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1da177e4 2425 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 2426 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 2427 return 0;
1da177e4
LT		 2428 /*
2429 * Allocate and initialize a Fib then setup a BlockWrite command
2430 */
6bf3b630 2431 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1da177e4 2432
9d399cc7 2433 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1da177e4
LT		 2434
2435 /*
2436 * Check that the command queued to the controller
2437 */
77d644d4
MH		 2438 if (status == -EINPROGRESS) {
2439 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 2440 return 0;
2441 }
2442
bfb35aa8 2443 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1da177e4
LT		 2444 /*
2445 * For some reason, the Fib didn't queue, return QUEUE_FULL
2446 */
2447 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 2448 scsicmd->scsi_done(scsicmd);
1da177e4 2449
bfb35aa8
MH		 2450 aac_fib_complete(cmd_fibcontext);
2451 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 2452 return 0;
2453}
2454
2455static void synchronize_callback(void *context, struct fib *fibptr)
2456{
2457 struct aac_synchronize_reply *synchronizereply;
2458 struct scsi_cmnd *cmd;
2459
2460 cmd = context;
2461
03d44337
MH		 2462 if (!aac_valid_context(cmd, fibptr))
2463 return;
2464
b90f90d2 2465 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1da177e4
LT		 2466 smp_processor_id(), jiffies));
2467 BUG_ON(fibptr == NULL);
2468
2469
2470 synchronizereply = fib_data(fibptr);
2471 if (le32_to_cpu(synchronizereply->status) == CT_OK)
b90f90d2 2472 cmd->result = DID_OK << 16 |
1da177e4
LT		 2473 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2474 else {
2475 struct scsi_device *sdev = cmd->device;
1a655040 2476 struct aac_dev *dev = fibptr->dev;
e5718774 2477 u32 cid = sdev_id(sdev);
b90f90d2 2478 printk(KERN_WARNING
1da177e4
LT		 2479 "synchronize_callback: synchronize failed, status = %d\n",
2480 le32_to_cpu(synchronizereply->status));
b90f90d2 2481 cmd->result = DID_OK << 16 |
1da177e4 2482 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2483 set_sense(&dev->fsa_dev[cid].sense_data,
2484 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2485 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1da177e4 2486 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
b80ca4f7
FT		 2487 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2488 SCSI_SENSE_BUFFERSIZE));
1da177e4
LT		 2489 }
2490
bfb35aa8
MH		 2491 aac_fib_complete(fibptr);
2492 aac_fib_free(fibptr);
8e0c5ebd 2493 cmd->scsi_done(cmd);
1da177e4
LT		 2494}
2495
9e7c349c 2496static int aac_synchronize(struct scsi_cmnd *scsicmd)
1da177e4
LT		 2497{
2498 int status;
2499 struct fib *cmd_fibcontext;
2500 struct aac_synchronize *synchronizecmd;
2501 struct scsi_cmnd *cmd;
2502 struct scsi_device *sdev = scsicmd->device;
2503 int active = 0;
90ee3466 2504 struct aac_dev *aac;
b90f90d2
SM		 2505 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
2506 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2507 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1da177e4
LT		 2508 unsigned long flags;
2509
2510 /*
77d644d4
MH		 2511 * Wait for all outstanding queued commands to complete to this
2512 * specific target (block).
1da177e4
LT		 2513 */
2514 spin_lock_irqsave(&sdev->list_lock, flags);
2515 list_for_each_entry(cmd, &sdev->cmd_list, list)
b90f90d2
SM		 2516 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
2517 u64 cmnd_lba;
2518 u32 cmnd_count;
2519
2520 if (cmd->cmnd[0] == WRITE_6) {
2521 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
2522 (cmd->cmnd[2] << 8) |
2523 cmd->cmnd[3];
2524 cmnd_count = cmd->cmnd[4];
2525 if (cmnd_count == 0)
2526 cmnd_count = 256;
2527 } else if (cmd->cmnd[0] == WRITE_16) {
2528 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
2529 ((u64)cmd->cmnd[3] << 48) |
2530 ((u64)cmd->cmnd[4] << 40) |
2531 ((u64)cmd->cmnd[5] << 32) |
2532 ((u64)cmd->cmnd[6] << 24) |
2533 (cmd->cmnd[7] << 16) |
2534 (cmd->cmnd[8] << 8) |
2535 cmd->cmnd[9];
2536 cmnd_count = (cmd->cmnd[10] << 24) |
2537 (cmd->cmnd[11] << 16) |
2538 (cmd->cmnd[12] << 8) |
2539 cmd->cmnd[13];
2540 } else if (cmd->cmnd[0] == WRITE_12) {
2541 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2542 (cmd->cmnd[3] << 16) |
2543 (cmd->cmnd[4] << 8) |
2544 cmd->cmnd[5];
2545 cmnd_count = (cmd->cmnd[6] << 24) |
2546 (cmd->cmnd[7] << 16) |
2547 (cmd->cmnd[8] << 8) |
2548 cmd->cmnd[9];
2549 } else if (cmd->cmnd[0] == WRITE_10) {
2550 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2551 (cmd->cmnd[3] << 16) |
2552 (cmd->cmnd[4] << 8) |
2553 cmd->cmnd[5];
2554 cmnd_count = (cmd->cmnd[7] << 8) |
2555 cmd->cmnd[8];
2556 } else
2557 continue;
2558 if (((cmnd_lba + cmnd_count) < lba) ||
2559 (count && ((lba + count) < cmnd_lba)))
2560 continue;
1da177e4
LT		 2561 ++active;
2562 break;
2563 }
2564
2565 spin_unlock_irqrestore(&sdev->list_lock, flags);
2566
2567 /*
2568 * Yield the processor (requeue for later)
2569 */
2570 if (active)
2571 return SCSI_MLQUEUE_DEVICE_BUSY;
2572
f858317d 2573 aac = (struct aac_dev *)sdev->host->hostdata;
8c867b25
MH		 2574 if (aac->in_reset)
2575 return SCSI_MLQUEUE_HOST_BUSY;
2576
1da177e4 2577 /*
7c00ffa3 2578 * Allocate and initialize a Fib
1da177e4 2579 */
90ee3466 2580 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1da177e4
LT		 2581 return SCSI_MLQUEUE_HOST_BUSY;
2582
bfb35aa8 2583 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 2584
2585 synchronizecmd = fib_data(cmd_fibcontext);
2586 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2587 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
9e7c349c 2588 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
b90f90d2 2589 synchronizecmd->count =
1da177e4
LT		 2590 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2591
2592 /*
2593 * Now send the Fib to the adapter
2594 */
bfb35aa8 2595 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 2596 cmd_fibcontext,
2597 sizeof(struct aac_synchronize),
2598 FsaNormal,
2599 0, 1,
2600 (fib_callback)synchronize_callback,
2601 (void *)scsicmd);
2602
2603 /*
2604 * Check that the command queued to the controller
2605 */
77d644d4
MH		 2606 if (status == -EINPROGRESS) {
2607 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 2608 return 0;
77d644d4 2609 }
1da177e4 2610
b90f90d2 2611 printk(KERN_WARNING
bfb35aa8
MH		 2612 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2613 aac_fib_complete(cmd_fibcontext);
2614 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 2615 return SCSI_MLQUEUE_HOST_BUSY;
2616}
2617
655d722c
MS		 2618static void aac_start_stop_callback(void *context, struct fib *fibptr)
2619{
2620 struct scsi_cmnd *scsicmd = context;
2621
2622 if (!aac_valid_context(scsicmd, fibptr))
2623 return;
2624
2625 BUG_ON(fibptr == NULL);
2626
2627 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2628
2629 aac_fib_complete(fibptr);
2630 aac_fib_free(fibptr);
2631 scsicmd->scsi_done(scsicmd);
2632}
2633
2634static int aac_start_stop(struct scsi_cmnd *scsicmd)
2635{
2636 int status;
2637 struct fib *cmd_fibcontext;
2638 struct aac_power_management *pmcmd;
2639 struct scsi_device *sdev = scsicmd->device;
2640 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2641
1c68856e 2642 if (!(aac->supplement_adapter_info.supported_options2 &
655d722c
MS		 2643 AAC_OPTION_POWER_MANAGEMENT)) {
2644 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2645 SAM_STAT_GOOD;
2646 scsicmd->scsi_done(scsicmd);
2647 return 0;
2648 }
2649
2650 if (aac->in_reset)
2651 return SCSI_MLQUEUE_HOST_BUSY;
2652
2653 /*
2654 * Allocate and initialize a Fib
2655 */
6bf3b630 2656 cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
655d722c
MS		 2657
2658 aac_fib_init(cmd_fibcontext);
2659
2660 pmcmd = fib_data(cmd_fibcontext);
2661 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2662 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2663 /* Eject bit ignored, not relevant */
2664 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2665 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2666 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2667 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2668 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2669
2670 /*
2671 * Now send the Fib to the adapter
2672 */
2673 status = aac_fib_send(ContainerCommand,
2674 cmd_fibcontext,
2675 sizeof(struct aac_power_management),
2676 FsaNormal,
2677 0, 1,
2678 (fib_callback)aac_start_stop_callback,
2679 (void *)scsicmd);
2680
2681 /*
2682 * Check that the command queued to the controller
2683 */
2684 if (status == -EINPROGRESS) {
2685 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2686 return 0;
2687 }
2688
2689 aac_fib_complete(cmd_fibcontext);
2690 aac_fib_free(cmd_fibcontext);
2691 return SCSI_MLQUEUE_HOST_BUSY;
2692}
2693
1da177e4
LT		 2694/**
2695 * aac_scsi_cmd() - Process SCSI command
2696 * @scsicmd: SCSI command block
2697 *
2698 * Emulate a SCSI command and queue the required request for the
2699 * aacraid firmware.
2700 */
8ce3eca4 2701
1da177e4
LT		 2702int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2703{
ab5d129f 2704 u32 cid, bus;
1da177e4
LT		 2705 struct Scsi_Host *host = scsicmd->device->host;
2706 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2707 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
8ce3eca4 2708
90ee3466
MH		 2709 if (fsa_dev_ptr == NULL)
2710 return -1;
1da177e4
LT		 2711 /*
2712 * If the bus, id or lun is out of range, return fail
2713 * Test does not apply to ID 16, the pseudo id for the controller
2714 * itself.
2715 */
1a655040
SM		 2716 cid = scmd_id(scsicmd);
2717 if (cid != host->this_id) {
2718 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2719 if((cid >= dev->maximum_num_containers) ||
e5718774 2720 (scsicmd->device->lun != 0)) {
1da177e4 2721 scsicmd->result = DID_NO_CONNECT << 16;
c4e2fbca 2722 goto scsi_done_ret;
1da177e4 2723 }
1da177e4
LT		 2724
2725 /*
2726 * If the target container doesn't exist, it may have
2727 * been newly created
2728 */
655d722c
MS		 2729 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2730 (fsa_dev_ptr[cid].sense_data.sense_key ==
2731 NOT_READY)) {
1da177e4 2732 switch (scsicmd->cmnd[0]) {
eb846d9f 2733 case SERVICE_ACTION_IN_16:
7a8cf29d
MH		 2734 if (!(dev->raw_io_interface) ||
2735 !(dev->raw_io_64) ||
2736 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2737 break;
1da177e4
LT		 2738 case INQUIRY:
2739 case READ_CAPACITY:
2740 case TEST_UNIT_READY:
8c867b25
MH		 2741 if (dev->in_reset)
2742 return -1;
fe76df42
MH		 2743 return _aac_probe_container(scsicmd,
2744 aac_probe_container_callback2);
1da177e4
LT		 2745 default:
2746 break;
2747 }
2748 }
1da177e4 2749 } else { /* check for physical non-dasd devices */
ab5d129f
RAR		 2750 bus = aac_logical_to_phys(scmd_channel(scsicmd));
2751 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2752 (dev->hba_map[bus][cid].expose
2753 == AAC_HIDE_DISK)){
2754 if (scsicmd->cmnd[0] == INQUIRY) {
2755 scsicmd->result = DID_NO_CONNECT << 16;
2756 goto scsi_done_ret;
2757 }
2758 }
2759
2760 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2761 dev->hba_map[bus][cid].devtype
2762 == AAC_DEVTYPE_NATIVE_RAW) {
2763 if (dev->in_reset)
2764 return -1;
2765 return aac_send_hba_fib(scsicmd);
2766 } else if (dev->nondasd_support || expose_physicals ||
2767 dev->jbod) {
8c867b25
MH		 2768 if (dev->in_reset)
2769 return -1;
1da177e4
LT		 2770 return aac_send_srb_fib(scsicmd);
2771 } else {
2772 scsicmd->result = DID_NO_CONNECT << 16;
c4e2fbca 2773 goto scsi_done_ret;
1da177e4
LT		 2774 }
2775 }
2776 }
2777 /*
2778 * else Command for the controller itself
2779 */
2780 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
8ce3eca4 2781 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1da177e4
LT		 2782 {
2783 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2784 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2785 set_sense(&dev->fsa_dev[cid].sense_data,
2786 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2787 ASENCODE_INVALID_COMMAND, 0, 0);
1da177e4 2788 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 2789 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2790 SCSI_SENSE_BUFFERSIZE));
c4e2fbca 2791 goto scsi_done_ret;
1da177e4
LT		 2792 }
2793
1da177e4 2794 switch (scsicmd->cmnd[0]) {
c4e2fbca
RAR		 2795 case READ_6:
2796 case READ_10:
2797 case READ_12:
2798 case READ_16:
2799 if (dev->in_reset)
2800 return -1;
2801 return aac_read(scsicmd);
2802
2803 case WRITE_6:
2804 case WRITE_10:
2805 case WRITE_12:
2806 case WRITE_16:
2807 if (dev->in_reset)
2808 return -1;
2809 return aac_write(scsicmd);
2810
2811 case SYNCHRONIZE_CACHE:
2812 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2813 scsicmd->result = AAC_STAT_GOOD;
2814 break;
2815 }
2816 /* Issue FIB to tell Firmware to flush it's cache */
2817 if ((aac_cache & 6) != 2)
2818 return aac_synchronize(scsicmd);
1da177e4
LT		 2819 case INQUIRY:
2820 {
3b2946cc 2821 struct inquiry_data inq_data;
1da177e4 2822
1a655040 2823 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
3b2946cc 2824 memset(&inq_data, 0, sizeof (struct inquiry_data));
1da177e4 2825
d8e96507 2826 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
88e2f98e
SM		 2827 char *arr = (char *)&inq_data;
2828
2829 /* EVPD bit set */
2830 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2831 INQD_PDT_PROC : INQD_PDT_DA;
2832 if (scsicmd->cmnd[2] == 0) {
2833 /* supported vital product data pages */
5d910649 2834 arr[3] = 3;
88e2f98e
SM		 2835 arr[4] = 0x0;
2836 arr[5] = 0x80;
5d910649 2837 arr[6] = 0x83;
88e2f98e 2838 arr[1] = scsicmd->cmnd[2];
d4345028
FT		 2839 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2840 sizeof(inq_data));
c4e2fbca 2841 scsicmd->result = AAC_STAT_GOOD;
88e2f98e
SM		 2842 } else if (scsicmd->cmnd[2] == 0x80) {
2843 /* unit serial number page */
2844 arr[3] = setinqserial(dev, &arr[4],
2845 scmd_id(scsicmd));
2846 arr[1] = scsicmd->cmnd[2];
d4345028
FT		 2847 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2848 sizeof(inq_data));
d8e96507
LA		 2849 if (aac_wwn != 2)
2850 return aac_get_container_serial(
2851 scsicmd);
c4e2fbca 2852 scsicmd->result = AAC_STAT_GOOD;
5d910649
MR		 2853 } else if (scsicmd->cmnd[2] == 0x83) {
2854 /* vpd page 0x83 - Device Identification Page */
2855 char *sno = (char *)&inq_data;
2856 sno[3] = setinqserial(dev, &sno[4],
2857 scmd_id(scsicmd));
2858 if (aac_wwn != 2)
2859 return aac_get_container_serial(
2860 scsicmd);
c4e2fbca 2861 scsicmd->result = AAC_STAT_GOOD;
88e2f98e
SM		 2862 } else {
2863 /* vpd page not implemented */
2864 scsicmd->result = DID_OK << 16 |
2865 COMMAND_COMPLETE << 8 |
2866 SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2867 set_sense(&dev->fsa_dev[cid].sense_data,
2868 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2869 ASENCODE_NO_SENSE, 7, 2);
88e2f98e
SM		 2870 memcpy(scsicmd->sense_buffer,
2871 &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 2872 min_t(size_t,
2873 sizeof(dev->fsa_dev[cid].sense_data),
2874 SCSI_SENSE_BUFFERSIZE));
88e2f98e 2875 }
c4e2fbca 2876 break;
88e2f98e 2877 }
3b2946cc 2878 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
3b2946cc
MH		 2879 inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
2880 inq_data.inqd_len = 31;
1da177e4 2881 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
3b2946cc 2882 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1da177e4
LT		 2883 /*
2884 * Set the Vendor, Product, and Revision Level
2885 * see: <vendor>.c i.e. aac.c
2886 */
1a655040 2887 if (cid == host->this_id) {
6391a113 2888 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
3b2946cc 2889 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
d4345028
FT		 2890 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2891 sizeof(inq_data));
c4e2fbca
RAR		 2892 scsicmd->result = AAC_STAT_GOOD;
2893 break;
1da177e4 2894 }
8c867b25
MH		 2895 if (dev->in_reset)
2896 return -1;
794d0601 2897 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
3b2946cc 2898 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
d4345028 2899 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
9e7c349c 2900 return aac_get_container_name(scsicmd);
1da177e4 2901 }
eb846d9f 2902 case SERVICE_ACTION_IN_16:
7a8cf29d
MH		 2903 if (!(dev->raw_io_interface) ||
2904 !(dev->raw_io_64) ||
2905 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2906 break;
2907 {
2908 u64 capacity;
07ce5eba 2909 char cp[13];
b271f1c8 2910 unsigned int alloc_len;
7a8cf29d
MH		 2911
2912 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2913 capacity = fsa_dev_ptr[cid].size - 1;
7a8cf29d
MH		 2914 cp[0] = (capacity >> 56) & 0xff;
2915 cp[1] = (capacity >> 48) & 0xff;
2916 cp[2] = (capacity >> 40) & 0xff;
2917 cp[3] = (capacity >> 32) & 0xff;
2918 cp[4] = (capacity >> 24) & 0xff;
2919 cp[5] = (capacity >> 16) & 0xff;
2920 cp[6] = (capacity >> 8) & 0xff;
2921 cp[7] = (capacity >> 0) & 0xff;
b836439f
MR		 2922 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2923 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2924 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2925 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
07ce5eba 2926 cp[12] = 0;
07ce5eba 2927
b271f1c8
FT		 2928 alloc_len = ((scsicmd->cmnd[10] << 24)
2929 + (scsicmd->cmnd[11] << 16)
2930 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2931
2932 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
d4345028 2933 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
b271f1c8
FT		 2934 if (alloc_len < scsi_bufflen(scsicmd))
2935 scsi_set_resid(scsicmd,
2936 scsi_bufflen(scsicmd) - alloc_len);
7a8cf29d
MH		 2937
2938 /* Do not cache partition table for arrays */
2939 scsicmd->device->removable = 1;
2940
c4e2fbca
RAR		 2941 scsicmd->result = AAC_STAT_GOOD;
2942 break;
7a8cf29d
MH		 2943 }
2944
1da177e4
LT		 2945 case READ_CAPACITY:
2946 {
2947 u32 capacity;
3b2946cc 2948 char cp[8];
1da177e4
LT		 2949
2950 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
7a8cf29d 2951 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1da177e4
LT		 2952 capacity = fsa_dev_ptr[cid].size - 1;
2953 else
2954 capacity = (u32)-1;
3b2946cc 2955
1da177e4
LT		 2956 cp[0] = (capacity >> 24) & 0xff;
2957 cp[1] = (capacity >> 16) & 0xff;
2958 cp[2] = (capacity >> 8) & 0xff;
2959 cp[3] = (capacity >> 0) & 0xff;
b836439f
MR		 2960 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2961 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2962 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2963 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
d4345028 2964 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
7a8cf29d
MH		 2965 /* Do not cache partition table for arrays */
2966 scsicmd->device->removable = 1;
c4e2fbca
RAR		 2967 scsicmd->result = AAC_STAT_GOOD;
2968 break;
1da177e4
LT		 2969 }
2970
2971 case MODE_SENSE:
2972 {
9d399cc7 2973 int mode_buf_length = 4;
b836439f
MR		 2974 u32 capacity;
2975 aac_modep_data mpd;
2976
2977 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2978 capacity = fsa_dev_ptr[cid].size - 1;
2979 else
2980 capacity = (u32)-1;
1da177e4
LT		 2981
2982 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
b836439f
MR		 2983 memset((char *)&mpd, 0, sizeof(aac_modep_data));
2984
2985 /* Mode data length */
2986 mpd.hd.data_length = sizeof(mpd.hd) - 1;
2987 /* Medium type - default */
2988 mpd.hd.med_type = 0;
2989 /* Device-specific param,
2990 bit 8: 0/1 = write enabled/protected
2991 bit 4: 0/1 = FUA enabled */
2992 mpd.hd.dev_par = 0;
2993
95e852e1 2994 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
b836439f
MR		 2995 mpd.hd.dev_par = 0x10;
2996 if (scsicmd->cmnd[1] & 0x8)
2997 mpd.hd.bd_length = 0; /* Block descriptor length */
2998 else {
2999 mpd.hd.bd_length = sizeof(mpd.bd);
3000 mpd.hd.data_length += mpd.hd.bd_length;
3001 mpd.bd.block_length[0] =
3002 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3003 mpd.bd.block_length[1] =
3004 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3005 mpd.bd.block_length[2] =
3006 fsa_dev_ptr[cid].block_size & 0xff;
5d910649
MR		 3007
3008 mpd.mpc_buf[0] = scsicmd->cmnd[2];
3009 if (scsicmd->cmnd[2] == 0x1C) {
3010 /* page length */
3011 mpd.mpc_buf[1] = 0xa;
3012 /* Mode data length */
3013 mpd.hd.data_length = 23;
3014 } else {
3015 /* Mode data length */
3016 mpd.hd.data_length = 15;
3017 }
3018
b836439f
MR		 3019 if (capacity > 0xffffff) {
3020 mpd.bd.block_count[0] = 0xff;
3021 mpd.bd.block_count[1] = 0xff;
3022 mpd.bd.block_count[2] = 0xff;
3023 } else {
3024 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3025 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3026 mpd.bd.block_count[2] = capacity & 0xff;
3027 }
3028 }
9d399cc7
SM		 3029 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3030 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
b836439f
MR		 3031 mpd.hd.data_length += 3;
3032 mpd.mpc_buf[0] = 8;
3033 mpd.mpc_buf[1] = 1;
3034 mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
95e852e1 3035 ? 0 : 0x04; /* WCE */
b836439f 3036 mode_buf_length = sizeof(mpd);
9d399cc7 3037 }
5d910649
MR		 3038
3039 if (mode_buf_length > scsicmd->cmnd[4])
3040 mode_buf_length = scsicmd->cmnd[4];
3041 else
3042 mode_buf_length = sizeof(mpd);
b836439f
MR		 3043 scsi_sg_copy_from_buffer(scsicmd,
3044 (char *)&mpd,
3045 mode_buf_length);
c4e2fbca
RAR		 3046 scsicmd->result = AAC_STAT_GOOD;
3047 break;
1da177e4
LT		 3048 }
3049 case MODE_SENSE_10:
3050 {
b836439f 3051 u32 capacity;
9d399cc7 3052 int mode_buf_length = 8;
b836439f
MR		 3053 aac_modep10_data mpd10;
3054
3055 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3056 capacity = fsa_dev_ptr[cid].size - 1;
3057 else
3058 capacity = (u32)-1;
1da177e4
LT		 3059
3060 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
b836439f
MR		 3061 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3062 /* Mode data length (MSB) */
3063 mpd10.hd.data_length[0] = 0;
3064 /* Mode data length (LSB) */
3065 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3066 /* Medium type - default */
3067 mpd10.hd.med_type = 0;
3068 /* Device-specific param,
3069 bit 8: 0/1 = write enabled/protected
3070 bit 4: 0/1 = FUA enabled */
3071 mpd10.hd.dev_par = 0;
3072
95e852e1 3073 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
b836439f
MR		 3074 mpd10.hd.dev_par = 0x10;
3075 mpd10.hd.rsrvd[0] = 0; /* reserved */
3076 mpd10.hd.rsrvd[1] = 0; /* reserved */
3077 if (scsicmd->cmnd[1] & 0x8) {
3078 /* Block descriptor length (MSB) */
3079 mpd10.hd.bd_length[0] = 0;
3080 /* Block descriptor length (LSB) */
3081 mpd10.hd.bd_length[1] = 0;
3082 } else {
3083 mpd10.hd.bd_length[0] = 0;
3084 mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3085
3086 mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3087
3088 mpd10.bd.block_length[0] =
3089 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3090 mpd10.bd.block_length[1] =
3091 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3092 mpd10.bd.block_length[2] =
3093 fsa_dev_ptr[cid].block_size & 0xff;
3094
3095 if (capacity > 0xffffff) {
3096 mpd10.bd.block_count[0] = 0xff;
3097 mpd10.bd.block_count[1] = 0xff;
3098 mpd10.bd.block_count[2] = 0xff;
3099 } else {
3100 mpd10.bd.block_count[0] =
3101 (capacity >> 16) & 0xff;
3102 mpd10.bd.block_count[1] =
3103 (capacity >> 8) & 0xff;
3104 mpd10.bd.block_count[2] =
3105 capacity & 0xff;
3106 }
3107 }
9d399cc7
SM		 3108 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3109 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
b836439f
MR		 3110 mpd10.hd.data_length[1] += 3;
3111 mpd10.mpc_buf[0] = 8;
3112 mpd10.mpc_buf[1] = 1;
3113 mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
95e852e1 3114 ? 0 : 0x04; /* WCE */
b836439f 3115 mode_buf_length = sizeof(mpd10);
9d399cc7
SM		 3116 if (mode_buf_length > scsicmd->cmnd[8])
3117 mode_buf_length = scsicmd->cmnd[8];
3118 }
b836439f
MR		 3119 scsi_sg_copy_from_buffer(scsicmd,
3120 (char *)&mpd10,
3121 mode_buf_length);
1da177e4 3122
c4e2fbca
RAR		 3123 scsicmd->result = AAC_STAT_GOOD;
3124 break;
1da177e4
LT		 3125 }
3126 case REQUEST_SENSE:
3127 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
c4e2fbca
RAR		 3128 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3129 sizeof(struct sense_data));
3130 memset(&dev->fsa_dev[cid].sense_data, 0,
3131 sizeof(struct sense_data));
3132 scsicmd->result = AAC_STAT_GOOD;
3133 break;
1da177e4
LT		 3134
3135 case ALLOW_MEDIUM_REMOVAL:
3136 dprintk((KERN_DEBUG "LOCK command.\n"));
3137 if (scsicmd->cmnd[4])
3138 fsa_dev_ptr[cid].locked = 1;
3139 else
3140 fsa_dev_ptr[cid].locked = 0;
3141
c4e2fbca
RAR		 3142 scsicmd->result = AAC_STAT_GOOD;
3143 break;
1da177e4
LT		 3144 /*
3145 * These commands are all No-Ops
3146 */
3147 case TEST_UNIT_READY:
655d722c
MS		 3148 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3149 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3150 SAM_STAT_CHECK_CONDITION;
3151 set_sense(&dev->fsa_dev[cid].sense_data,
3152 NOT_READY, SENCODE_BECOMING_READY,
3153 ASENCODE_BECOMING_READY, 0, 0);
3154 memcpy(scsicmd->sense_buffer,
3155 &dev->fsa_dev[cid].sense_data,
3156 min_t(size_t,
3157 sizeof(dev->fsa_dev[cid].sense_data),
3158 SCSI_SENSE_BUFFERSIZE));
c4e2fbca 3159 break;
655d722c 3160 }
1da177e4
LT		 3161 case RESERVE:
3162 case RELEASE:
3163 case REZERO_UNIT:
3164 case REASSIGN_BLOCKS:
3165 case SEEK_10:
c4e2fbca
RAR		 3166 scsicmd->result = AAC_STAT_GOOD;
3167 break;
655d722c
MS		 3168
3169 case START_STOP:
3170 return aac_start_stop(scsicmd);
1da177e4 3171
c4e2fbca
RAR		 3172 /* FALLTHRU */
3173 default:
3174 /*
3175 * Unhandled commands
3176 */
3177 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3178 scsicmd->cmnd[0]));
3179 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3180 SAM_STAT_CHECK_CONDITION;
3181 set_sense(&dev->fsa_dev[cid].sense_data,
8e31e607
SM		 3182 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3183 ASENCODE_INVALID_COMMAND, 0, 0);
c4e2fbca 3184 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 3185 min_t(size_t,
3186 sizeof(dev->fsa_dev[cid].sense_data),
3187 SCSI_SENSE_BUFFERSIZE));
1da177e4 3188 }
c4e2fbca
RAR		 3189
3190scsi_done_ret:
3191
3192 scsicmd->scsi_done(scsicmd);
3193 return 0;
1da177e4
LT		 3194}
3195
3196static int query_disk(struct aac_dev *dev, void __user *arg)
3197{
3198 struct aac_query_disk qd;
3199 struct fsa_dev_info *fsa_dev_ptr;
3200
3201 fsa_dev_ptr = dev->fsa_dev;
90ee3466 3202 if (!fsa_dev_ptr)
65101355 3203 return -EBUSY;
1da177e4
LT		 3204 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3205 return -EFAULT;
e6fd916a
DC		 3206 if (qd.cnum == -1) {
3207 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3208 return -EINVAL;
e5718774 3209 qd.cnum = qd.id;
e6fd916a 3210 } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
1da177e4
LT		 3211 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3212 return -EINVAL;
3213 qd.instance = dev->scsi_host_ptr->host_no;
3214 qd.bus = 0;
3215 qd.id = CONTAINER_TO_ID(qd.cnum);
3216 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3217 }
3218 else return -EINVAL;
3219
fd622b1b 3220 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
1da177e4
LT		 3221 qd.locked = fsa_dev_ptr[qd.cnum].locked;
3222 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3223
3224 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3225 qd.unmapped = 1;
3226 else
3227 qd.unmapped = 0;
3228
3229 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3230 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3231
3232 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3233 return -EFAULT;
3234 return 0;
3235}
3236
3237static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3238{
3239 struct aac_delete_disk dd;
3240 struct fsa_dev_info *fsa_dev_ptr;
3241
3242 fsa_dev_ptr = dev->fsa_dev;
65101355
MH		 3243 if (!fsa_dev_ptr)
3244 return -EBUSY;
1da177e4
LT		 3245
3246 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3247 return -EFAULT;
3248
3249 if (dd.cnum >= dev->maximum_num_containers)
3250 return -EINVAL;
3251 /*
3252 * Mark this container as being deleted.
3253 */
3254 fsa_dev_ptr[dd.cnum].deleted = 1;
3255 /*
3256 * Mark the container as no longer valid
3257 */
3258 fsa_dev_ptr[dd.cnum].valid = 0;
3259 return 0;
3260}
3261
3262static int delete_disk(struct aac_dev *dev, void __user *arg)
3263{
3264 struct aac_delete_disk dd;
3265 struct fsa_dev_info *fsa_dev_ptr;
3266
3267 fsa_dev_ptr = dev->fsa_dev;
90ee3466 3268 if (!fsa_dev_ptr)
65101355 3269 return -EBUSY;
1da177e4
LT		 3270
3271 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3272 return -EFAULT;
3273
3274 if (dd.cnum >= dev->maximum_num_containers)
3275 return -EINVAL;
3276 /*
3277 * If the container is locked, it can not be deleted by the API.
3278 */
3279 if (fsa_dev_ptr[dd.cnum].locked)
3280 return -EBUSY;
3281 else {
3282 /*
3283 * Mark the container as no longer being valid.
3284 */
3285 fsa_dev_ptr[dd.cnum].valid = 0;
3286 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3287 return 0;
3288 }
3289}
3290
3291int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
3292{
3293 switch (cmd) {
3294 case FSACTL_QUERY_DISK:
3295 return query_disk(dev, arg);
3296 case FSACTL_DELETE_DISK:
3297 return delete_disk(dev, arg);
3298 case FSACTL_FORCE_DELETE_DISK:
3299 return force_delete_disk(dev, arg);
3300 case FSACTL_GET_CONTAINERS:
3301 return aac_get_containers(dev);
3302 default:
3303 return -ENOTTY;
3304 }
3305}
3306
3307/**
3308 *
3309 * aac_srb_callback
3310 * @context: the context set in the fib - here it is scsi cmd
3311 * @fibptr: pointer to the fib
3312 *
3313 * Handles the completion of a scsi command to a non dasd device
3314 *
3315 */
3316
3317static void aac_srb_callback(void *context, struct fib * fibptr)
3318{
3319 struct aac_dev *dev;
3320 struct aac_srb_reply *srbreply;
3321 struct scsi_cmnd *scsicmd;
3322
3323 scsicmd = (struct scsi_cmnd *) context;
03d44337
MH		 3324
3325 if (!aac_valid_context(scsicmd, fibptr))
3326 return;
3327
125e1874 3328 BUG_ON(fibptr == NULL);
1da177e4 3329
4ec57fb4 3330 dev = fibptr->dev;
55b87608
MR		 3331
3332 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
4ec57fb4 3333
1da177e4 3334 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
727eead6 3335
85d22bbf
MR		 3336 if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3337 /* fast response */
3338 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3339 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3340 } else {
3341 /*
3342 * Calculate resid for sg
3343 */
3344 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3345 - le32_to_cpu(srbreply->data_xfer_length));
4ec57fb4 3346 }
e3cc268f 3347
1da177e4 3348
4ec57fb4 3349 scsi_dma_unmap(scsicmd);
1da177e4 3350
4ec57fb4
RAR		 3351 /* expose physical device if expose_physicald flag is on */
3352 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3353 && expose_physicals > 0)
3354 aac_expose_phy_device(scsicmd);
1da177e4 3355
4ec57fb4
RAR		 3356 /*
3357 * First check the fib status
3358 */
1da177e4 3359
4ec57fb4
RAR		 3360 if (le32_to_cpu(srbreply->status) != ST_OK) {
3361 int len;
1da177e4 3362
4ec57fb4
RAR		 3363 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3364 le32_to_cpu(srbreply->status));
3365 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3366 SCSI_SENSE_BUFFERSIZE);
3367 scsicmd->result = DID_ERROR << 16
3368 | COMMAND_COMPLETE << 8
3369 | SAM_STAT_CHECK_CONDITION;
3370 memcpy(scsicmd->sense_buffer,
3371 srbreply->sense_data, len);
3372 }
1da177e4 3373
4ec57fb4
RAR		 3374 /*
3375 * Next check the srb status
3376 */
3377 switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3378 case SRB_STATUS_ERROR_RECOVERY:
3379 case SRB_STATUS_PENDING:
3380 case SRB_STATUS_SUCCESS:
3381 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3382 break;
3383 case SRB_STATUS_DATA_OVERRUN:
3384 switch (scsicmd->cmnd[0]) {
3385 case READ_6:
3386 case WRITE_6:
3387 case READ_10:
3388 case WRITE_10:
3389 case READ_12:
3390 case WRITE_12:
3391 case READ_16:
3392 case WRITE_16:
3393 if (le32_to_cpu(srbreply->data_xfer_length)
3394 < scsicmd->underflow)
3395 pr_warn("aacraid: SCSI CMD underflow\n");
3396 else
3397 pr_warn("aacraid: SCSI CMD Data Overrun\n");
55b87608 3398 scsicmd->result = DID_ERROR << 16
4ec57fb4
RAR		 3399 | COMMAND_COMPLETE << 8;
3400 break;
3401 case INQUIRY:
3402 scsicmd->result = DID_OK << 16
3403 | COMMAND_COMPLETE << 8;
55b87608 3404 break;
55b87608 3405 default:
4ec57fb4
RAR		 3406 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3407 break;
3408 }
3409 break;
3410 case SRB_STATUS_ABORTED:
3411 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3412 break;
3413 case SRB_STATUS_ABORT_FAILED:
3414 /*
3415 * Not sure about this one - but assuming the
3416 * hba was trying to abort for some reason
3417 */
3418 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
3419 break;
3420 case SRB_STATUS_PARITY_ERROR:
3421 scsicmd->result = DID_PARITY << 16
3422 | MSG_PARITY_ERROR << 8;
3423 break;
3424 case SRB_STATUS_NO_DEVICE:
3425 case SRB_STATUS_INVALID_PATH_ID:
3426 case SRB_STATUS_INVALID_TARGET_ID:
3427 case SRB_STATUS_INVALID_LUN:
3428 case SRB_STATUS_SELECTION_TIMEOUT:
3429 scsicmd->result = DID_NO_CONNECT << 16
3430 | COMMAND_COMPLETE << 8;
3431 break;
3432
3433 case SRB_STATUS_COMMAND_TIMEOUT:
3434 case SRB_STATUS_TIMEOUT:
3435 scsicmd->result = DID_TIME_OUT << 16
3436 | COMMAND_COMPLETE << 8;
3437 break;
3438
3439 case SRB_STATUS_BUSY:
3440 scsicmd->result = DID_BUS_BUSY << 16
3441 | COMMAND_COMPLETE << 8;
3442 break;
3443
3444 case SRB_STATUS_BUS_RESET:
3445 scsicmd->result = DID_RESET << 16
3446 | COMMAND_COMPLETE << 8;
3447 break;
3448
3449 case SRB_STATUS_MESSAGE_REJECTED:
3450 scsicmd->result = DID_ERROR << 16
3451 | MESSAGE_REJECT << 8;
3452 break;
3453 case SRB_STATUS_REQUEST_FLUSHED:
3454 case SRB_STATUS_ERROR:
3455 case SRB_STATUS_INVALID_REQUEST:
3456 case SRB_STATUS_REQUEST_SENSE_FAILED:
3457 case SRB_STATUS_NO_HBA:
3458 case SRB_STATUS_UNEXPECTED_BUS_FREE:
3459 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3460 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3461 case SRB_STATUS_DELAYED_RETRY:
3462 case SRB_STATUS_BAD_FUNCTION:
3463 case SRB_STATUS_NOT_STARTED:
3464 case SRB_STATUS_NOT_IN_USE:
3465 case SRB_STATUS_FORCE_ABORT:
3466 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3467 default:
1da177e4 3468#ifdef AAC_DETAILED_STATUS_INFO
4ec57fb4
RAR		 3469 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3470 le32_to_cpu(srbreply->srb_status) & 0x3F,
3471 aac_get_status_string(
3472 le32_to_cpu(srbreply->srb_status) & 0x3F),
3473 scsicmd->cmnd[0],
3474 le32_to_cpu(srbreply->scsi_status));
1da177e4 3475#endif
4ec57fb4
RAR		 3476 /*
3477 * When the CC bit is SET by the host in ATA pass thru CDB,
3478 * driver is supposed to return DID_OK
3479 *
3480 * When the CC bit is RESET by the host, driver should
3481 * return DID_ERROR
3482 */
3483 if ((scsicmd->cmnd[0] == ATA_12)
3484 || (scsicmd->cmnd[0] == ATA_16)) {
3485
3486 if (scsicmd->cmnd[2] & (0x01 << 5)) {
3487 scsicmd->result = DID_OK << 16
3488 | COMMAND_COMPLETE << 8;
3489 break;
1fc8010a
RM		 3490 } else {
3491 scsicmd->result = DID_ERROR << 16
55b87608 3492 | COMMAND_COMPLETE << 8;
4ec57fb4 3493 break;
1fc8010a 3494 }
4ec57fb4
RAR		 3495 } else {
3496 scsicmd->result = DID_ERROR << 16
3497 | COMMAND_COMPLETE << 8;
3498 break;
1fc8010a 3499 }
4ec57fb4
RAR		 3500 }
3501 if (le32_to_cpu(srbreply->scsi_status)
3502 == SAM_STAT_CHECK_CONDITION) {
3503 int len;
55b87608 3504
4ec57fb4
RAR		 3505 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3506 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3507 SCSI_SENSE_BUFFERSIZE);
1da177e4 3508#ifdef AAC_DETAILED_STATUS_INFO
4ec57fb4
RAR		 3509 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3510 le32_to_cpu(srbreply->status), len);
1da177e4 3511#endif
4ec57fb4
RAR		 3512 memcpy(scsicmd->sense_buffer,
3513 srbreply->sense_data, len);
1da177e4 3514 }
4ec57fb4 3515
1da177e4
LT		 3516 /*
3517 * OR in the scsi status (already shifted up a bit)
3518 */
3519 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3520
bfb35aa8 3521 aac_fib_complete(fibptr);
8e0c5ebd 3522 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 3523}
3524
ab5d129f
RAR		 3525static void hba_resp_task_complete(struct aac_dev *dev,
3526 struct scsi_cmnd *scsicmd,
3527 struct aac_hba_resp *err) {
3528
3529 scsicmd->result = err->status;
3530 /* set residual count */
3531 scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3532
3533 switch (err->status) {
3534 case SAM_STAT_GOOD:
3535 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3536 break;
3537 case SAM_STAT_CHECK_CONDITION:
3538 {
3539 int len;
3540
3541 len = min_t(u8, err->sense_response_data_len,
3542 SCSI_SENSE_BUFFERSIZE);
3543 if (len)
3544 memcpy(scsicmd->sense_buffer,
3545 err->sense_response_buf, len);
3546 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3547 break;
3548 }
3549 case SAM_STAT_BUSY:
3550 scsicmd->result |= DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
3551 break;
3552 case SAM_STAT_TASK_ABORTED:
3553 scsicmd->result |= DID_ABORT << 16 | ABORT << 8;
3554 break;
3555 case SAM_STAT_RESERVATION_CONFLICT:
3556 case SAM_STAT_TASK_SET_FULL:
3557 default:
3558 scsicmd->result |= DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3559 break;
3560 }
3561}
3562
3563static void hba_resp_task_failure(struct aac_dev *dev,
3564 struct scsi_cmnd *scsicmd,
3565 struct aac_hba_resp *err)
3566{
3567 switch (err->status) {
3568 case HBA_RESP_STAT_HBAMODE_DISABLED:
3569 {
3570 u32 bus, cid;
3571
3572 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3573 cid = scmd_id(scsicmd);
3574 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3575 dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3576 dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3577 }
3578 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3579 break;
3580 }
3581 case HBA_RESP_STAT_IO_ERROR:
3582 case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3583 scsicmd->result = DID_OK << 16 |
3584 COMMAND_COMPLETE << 8 | SAM_STAT_BUSY;
3585 break;
3586 case HBA_RESP_STAT_IO_ABORTED:
3587 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3588 break;
3589 case HBA_RESP_STAT_INVALID_DEVICE:
3590 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3591 break;
3592 case HBA_RESP_STAT_UNDERRUN:
3593 /* UNDERRUN is OK */
3594 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3595 break;
3596 case HBA_RESP_STAT_OVERRUN:
3597 default:
3598 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3599 break;
3600 }
3601}
3602
1da177e4
LT		 3603/**
3604 *
ab5d129f
RAR		 3605 * aac_hba_callback
3606 * @context: the context set in the fib - here it is scsi cmd
3607 * @fibptr: pointer to the fib
3608 *
3609 * Handles the completion of a native HBA scsi command
3610 *
3611 */
3612void aac_hba_callback(void *context, struct fib *fibptr)
3613{
3614 struct aac_dev *dev;
3615 struct scsi_cmnd *scsicmd;
3616
3617 struct aac_hba_resp *err =
3618 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3619
3620 scsicmd = (struct scsi_cmnd *) context;
3621
3622 if (!aac_valid_context(scsicmd, fibptr))
3623 return;
3624
3625 WARN_ON(fibptr == NULL);
3626 dev = fibptr->dev;
3627
3628 if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3629 scsi_dma_unmap(scsicmd);
3630
3631 if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3632 /* fast response */
3633 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3634 goto out;
3635 }
3636
3637 switch (err->service_response) {
3638 case HBA_RESP_SVCRES_TASK_COMPLETE:
3639 hba_resp_task_complete(dev, scsicmd, err);
3640 break;
3641 case HBA_RESP_SVCRES_FAILURE:
3642 hba_resp_task_failure(dev, scsicmd, err);
3643 break;
3644 case HBA_RESP_SVCRES_TMF_REJECTED:
3645 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
3646 break;
3647 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3648 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3649 break;
3650 case HBA_RESP_SVCRES_TMF_COMPLETE:
3651 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3652 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3653 break;
3654 default:
3655 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3656 break;
3657 }
3658
3659out:
3660 aac_fib_complete(fibptr);
3661
3662 if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3663 scsicmd->SCp.sent_command = 1;
3664 else
3665 scsicmd->scsi_done(scsicmd);
3666}
3667
3668/**
3669 *
3670 * aac_send_srb_fib
1da177e4
LT		 3671 * @scsicmd: the scsi command block
3672 *
8ce3eca4 3673 * This routine will form a FIB and fill in the aac_srb from the
1da177e4
LT		 3674 * scsicmd passed in.
3675 */
3676
3677static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3678{
3679 struct fib* cmd_fibcontext;
3680 struct aac_dev* dev;
3681 int status;
1da177e4 3682
84971738 3683 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
e5718774 3684 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
84971738 3685 scsicmd->device->lun > 7) {
1da177e4
LT		 3686 scsicmd->result = DID_NO_CONNECT << 16;
3687 scsicmd->scsi_done(scsicmd);
3688 return 0;
3689 }
3690
1da177e4
LT		 3691 /*
3692 * Allocate and initialize a Fib then setup a BlockWrite command
3693 */
6bf3b630 3694 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
6bf3b630 3695
e8f32de5 3696 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
1da177e4 3697
1da177e4
LT		 3698 /*
3699 * Check that the command queued to the controller
3700 */
77d644d4
MH		 3701 if (status == -EINPROGRESS) {
3702 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 3703 return 0;
3704 }
3705
bfb35aa8
MH		 3706 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3707 aac_fib_complete(cmd_fibcontext);
3708 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 3709
3710 return -1;
3711}
3712
ab5d129f
RAR		 3713/**
3714 *
3715 * aac_send_hba_fib
3716 * @scsicmd: the scsi command block
3717 *
3718 * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3719 * scsicmd passed in.
3720 */
3721static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3722{
3723 struct fib *cmd_fibcontext;
3724 struct aac_dev *dev;
3725 int status;
3726
3727 dev = shost_priv(scsicmd->device->host);
3728 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3729 scsicmd->device->lun > AAC_MAX_LUN - 1) {
3730 scsicmd->result = DID_NO_CONNECT << 16;
3731 scsicmd->scsi_done(scsicmd);
3732 return 0;
3733 }
3734
3735 /*
3736 * Allocate and initialize a Fib then setup a BlockWrite command
3737 */
3738 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3739 if (!cmd_fibcontext)
3740 return -1;
3741
3742 status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3743
3744 /*
3745 * Check that the command queued to the controller
3746 */
3747 if (status == -EINPROGRESS) {
3748 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3749 return 0;
3750 }
3751
3752 pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3753 status);
3754 aac_fib_complete(cmd_fibcontext);
3755 aac_fib_free(cmd_fibcontext);
3756
3757 return -1;
3758}
3759
3760
0b433447 3761static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
1da177e4
LT		 3762{
3763 struct aac_dev *dev;
3764 unsigned long byte_count = 0;
727eead6 3765 int nseg;
1da177e4
LT		 3766
3767 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3768 // Get rid of old data
3769 psg->count = 0;
3770 psg->sg[0].addr = 0;
727eead6
FT		 3771 psg->sg[0].count = 0;
3772
3773 nseg = scsi_dma_map(scsicmd);
0b433447
MR		 3774 if (nseg < 0)
3775 return nseg;
727eead6 3776 if (nseg) {
1da177e4
LT		 3777 struct scatterlist *sg;
3778 int i;
1da177e4 3779
727eead6 3780 psg->count = cpu_to_le32(nseg);
1da177e4 3781
727eead6 3782 scsi_for_each_sg(scsicmd, sg, nseg, i) {
1da177e4
LT		 3783 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3784 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3785 byte_count += sg_dma_len(sg);
1da177e4
LT		 3786 }
3787 /* hba wants the size to be exact */
727eead6
FT		 3788 if (byte_count > scsi_bufflen(scsicmd)) {
3789 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3790 (byte_count - scsi_bufflen(scsicmd));
56b58712 3791 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 3792 byte_count = scsi_bufflen(scsicmd);
1da177e4
LT		 3793 }
3794 /* Check for command underflow */
3795 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3796 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3797 byte_count, scsicmd->underflow);
3798 }
3799 }
1da177e4
LT		 3800 return byte_count;
3801}
3802
3803
0b433447 3804static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
1da177e4
LT		 3805{
3806 struct aac_dev *dev;
3807 unsigned long byte_count = 0;
56b58712 3808 u64 addr;
727eead6 3809 int nseg;
1da177e4
LT		 3810
3811 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3812 // Get rid of old data
3813 psg->count = 0;
3814 psg->sg[0].addr[0] = 0;
3815 psg->sg[0].addr[1] = 0;
3816 psg->sg[0].count = 0;
727eead6
FT		 3817
3818 nseg = scsi_dma_map(scsicmd);
0b433447
MR		 3819 if (nseg < 0)
3820 return nseg;
727eead6 3821 if (nseg) {
1da177e4
LT		 3822 struct scatterlist *sg;
3823 int i;
1da177e4 3824
727eead6 3825 scsi_for_each_sg(scsicmd, sg, nseg, i) {
1241f359 3826 int count = sg_dma_len(sg);
56b58712
MH		 3827 addr = sg_dma_address(sg);
3828 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3829 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
1241f359
MH		 3830 psg->sg[i].count = cpu_to_le32(count);
3831 byte_count += count;
1da177e4 3832 }
727eead6 3833 psg->count = cpu_to_le32(nseg);
1da177e4 3834 /* hba wants the size to be exact */
727eead6
FT		 3835 if (byte_count > scsi_bufflen(scsicmd)) {
3836 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3837 (byte_count - scsi_bufflen(scsicmd));
56b58712 3838 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 3839 byte_count = scsi_bufflen(scsicmd);
1da177e4
LT		 3840 }
3841 /* Check for command underflow */
3842 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3843 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3844 byte_count, scsicmd->underflow);
3845 }
3846 }
1da177e4
LT		 3847 return byte_count;
3848}
3849
0b433447 3850static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
0e68c003 3851{
0e68c003 3852 unsigned long byte_count = 0;
727eead6 3853 int nseg;
0e68c003
MH		 3854
3855 // Get rid of old data
3856 psg->count = 0;
3857 psg->sg[0].next = 0;
3858 psg->sg[0].prev = 0;
3859 psg->sg[0].addr[0] = 0;
3860 psg->sg[0].addr[1] = 0;
3861 psg->sg[0].count = 0;
3862 psg->sg[0].flags = 0;
727eead6
FT		 3863
3864 nseg = scsi_dma_map(scsicmd);
0b433447
MR		 3865 if (nseg < 0)
3866 return nseg;
727eead6 3867 if (nseg) {
0e68c003
MH		 3868 struct scatterlist *sg;
3869 int i;
0e68c003 3870
727eead6 3871 scsi_for_each_sg(scsicmd, sg, nseg, i) {
0e68c003
MH		 3872 int count = sg_dma_len(sg);
3873 u64 addr = sg_dma_address(sg);
3874 psg->sg[i].next = 0;
3875 psg->sg[i].prev = 0;
3876 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3877 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3878 psg->sg[i].count = cpu_to_le32(count);
3879 psg->sg[i].flags = 0;
3880 byte_count += count;
0e68c003 3881 }
727eead6 3882 psg->count = cpu_to_le32(nseg);
0e68c003 3883 /* hba wants the size to be exact */
727eead6
FT		 3884 if (byte_count > scsi_bufflen(scsicmd)) {
3885 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3886 (byte_count - scsi_bufflen(scsicmd));
0e68c003 3887 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 3888 byte_count = scsi_bufflen(scsicmd);
0e68c003
MH		 3889 }
3890 /* Check for command underflow */
3891 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3892 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3893 byte_count, scsicmd->underflow);
3894 }
3895 }
0e68c003
MH		 3896 return byte_count;
3897}
3898
0b433447
MR		 3899static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3900 struct aac_raw_io2 *rio2, int sg_max)
85d22bbf
MR		 3901{
3902 unsigned long byte_count = 0;
3903 int nseg;
3904
3905 nseg = scsi_dma_map(scsicmd);
0b433447
MR		 3906 if (nseg < 0)
3907 return nseg;
85d22bbf
MR		 3908 if (nseg) {
3909 struct scatterlist *sg;
3910 int i, conformable = 0;
3911 u32 min_size = PAGE_SIZE, cur_size;
3912
3913 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3914 int count = sg_dma_len(sg);
3915 u64 addr = sg_dma_address(sg);
3916
3917 BUG_ON(i >= sg_max);
3918 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3919 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3920 cur_size = cpu_to_le32(count);
3921 rio2->sge[i].length = cur_size;
3922 rio2->sge[i].flags = 0;
3923 if (i == 0) {
3924 conformable = 1;
3925 rio2->sgeFirstSize = cur_size;
3926 } else if (i == 1) {
3927 rio2->sgeNominalSize = cur_size;
3928 min_size = cur_size;
3929 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3930 conformable = 0;
3931 if (cur_size < min_size)
3932 min_size = cur_size;
3933 }
3934 byte_count += count;
3935 }
3936
3937 /* hba wants the size to be exact */
3938 if (byte_count > scsi_bufflen(scsicmd)) {
3939 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3940 (byte_count - scsi_bufflen(scsicmd));
3941 rio2->sge[i-1].length = cpu_to_le32(temp);
3942 byte_count = scsi_bufflen(scsicmd);
3943 }
3944
3945 rio2->sgeCnt = cpu_to_le32(nseg);
3946 rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3947 /* not conformable: evaluate required sg elements */
3948 if (!conformable) {
3949 int j, nseg_new = nseg, err_found;
3950 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3951 err_found = 0;
3952 nseg_new = 2;
3953 for (j = 1; j < nseg - 1; ++j) {
3954 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3955 err_found = 1;
3956 break;
3957 }
3958 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3959 }
3960 if (!err_found)
3961 break;
3962 }
3963 if (i > 0 && nseg_new <= sg_max)
3964 aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3965 } else
3966 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3967
3968 /* Check for command underflow */
3969 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3970 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3971 byte_count, scsicmd->underflow);
3972 }
3973 }
3974
3975 return byte_count;
3976}
3977
3978static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3979{
3980 struct sge_ieee1212 *sge;
3981 int i, j, pos;
3982 u32 addr_low;
3983
3984 if (aac_convert_sgl == 0)
3985 return 0;
3986
3987 sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
3988 if (sge == NULL)
3989 return -1;
3990
3991 for (i = 1, pos = 1; i < nseg-1; ++i) {
3992 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
3993 addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
3994 sge[pos].addrLow = addr_low;
3995 sge[pos].addrHigh = rio2->sge[i].addrHigh;
3996 if (addr_low < rio2->sge[i].addrLow)
3997 sge[pos].addrHigh++;
3998 sge[pos].length = pages * PAGE_SIZE;
3999 sge[pos].flags = 0;
4000 pos++;
4001 }
4002 }
4003 sge[pos] = rio2->sge[nseg-1];
4004 memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
4005
4006 kfree(sge);
4007 rio2->sgeCnt = cpu_to_le32(nseg_new);
4008 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4009 rio2->sgeNominalSize = pages * PAGE_SIZE;
4010 return 0;
4011}
4012
ab5d129f
RAR		 4013static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4014 struct aac_hba_cmd_req *hbacmd,
4015 int sg_max,
4016 u64 sg_address)
4017{
4018 unsigned long byte_count = 0;
4019 int nseg;
4020 struct scatterlist *sg;
4021 int i;
4022 u32 cur_size;
4023 struct aac_hba_sgl *sge;
4024
ab5d129f
RAR		 4025 nseg = scsi_dma_map(scsicmd);
4026 if (nseg <= 0) {
4027 byte_count = nseg;
4028 goto out;
4029 }
4030
4031 if (nseg > HBA_MAX_SG_EMBEDDED)
4032 sge = &hbacmd->sge[2];
4033 else
4034 sge = &hbacmd->sge[0];
4035
4036 scsi_for_each_sg(scsicmd, sg, nseg, i) {
4037 int count = sg_dma_len(sg);
4038 u64 addr = sg_dma_address(sg);
4039
4040 WARN_ON(i >= sg_max);
4041 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4042 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4043 cur_size = cpu_to_le32(count);
4044 sge->len = cur_size;
4045 sge->flags = 0;
4046 byte_count += count;
4047 sge++;
4048 }
4049
4050 sge--;
4051 /* hba wants the size to be exact */
4052 if (byte_count > scsi_bufflen(scsicmd)) {
4053 u32 temp;
4054
4055 temp = le32_to_cpu(sge->len) - byte_count
4056 - scsi_bufflen(scsicmd);
4057 sge->len = cpu_to_le32(temp);
4058 byte_count = scsi_bufflen(scsicmd);
4059 }
4060
4061 if (nseg <= HBA_MAX_SG_EMBEDDED) {
4062 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4063 sge->flags = cpu_to_le32(0x40000000);
4064 } else {
4065 /* not embedded */
4066 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4067 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4068 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4069 hbacmd->sge[0].addr_lo =
4070 cpu_to_le32((u32)(sg_address & 0xffffffff));
4071 }
4072
4073 /* Check for command underflow */
4074 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4075 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4076 byte_count, scsicmd->underflow);
4077 }
4078out:
4079 return byte_count;
4080}
4081
1da177e4
LT		 4082#ifdef AAC_DETAILED_STATUS_INFO
4083
4084struct aac_srb_status_info {
4085 u32 status;
4086 char *str;
4087};
4088
4089
4090static struct aac_srb_status_info srb_status_info[] = {
4091 { SRB_STATUS_PENDING, "Pending Status"},
4092 { SRB_STATUS_SUCCESS, "Success"},
4093 { SRB_STATUS_ABORTED, "Aborted Command"},
4094 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
6391a113 4095 { SRB_STATUS_ERROR, "Error Event"},
1da177e4
LT		 4096 { SRB_STATUS_BUSY, "Device Busy"},
4097 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
4098 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
4099 { SRB_STATUS_NO_DEVICE, "No Device"},
4100 { SRB_STATUS_TIMEOUT, "Timeout"},
4101 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4102 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
4103 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
4104 { SRB_STATUS_BUS_RESET, "Bus Reset"},
4105 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
4106 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4107 { SRB_STATUS_NO_HBA, "No HBA"},
4108 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
4109 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4110 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4111 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4112 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
4113 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
6391a113 4114 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
1da177e4
LT		 4115 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4116 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
4117 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
4118 { SRB_STATUS_NOT_STARTED, "Not Started"},
4119 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
8ce3eca4 4120 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
1da177e4
LT		 4121 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4122 { 0xff, "Unknown Error"}
4123};
4124
4125char *aac_get_status_string(u32 status)
4126{
4127 int i;
4128
6391a113
TK		 4129 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4130 if (srb_status_info[i].status == status)
1da177e4 4131 return srb_status_info[i].str;
1da177e4
LT		 4132
4133 return "Bad Status Code";
4134}
4135
4136#endif
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