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[SCSI] aacraid: remove unused or deprecated firmware constants
[mirror_ubuntu-jammy-kernel.git] / drivers / scsi / aacraid / aachba.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
03d44337 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
1da177e4
LT		 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 */
25
26#include <linux/kernel.h>
27#include <linux/init.h>
28#include <linux/types.h>
1da177e4
LT		 29#include <linux/pci.h>
30#include <linux/spinlock.h>
31#include <linux/slab.h>
32#include <linux/completion.h>
33#include <linux/blkdev.h>
910638ae 34#include <linux/dma-mapping.h>
1da177e4
LT		 35#include <asm/semaphore.h>
36#include <asm/uaccess.h>
37
38#include <scsi/scsi.h>
39#include <scsi/scsi_cmnd.h>
40#include <scsi/scsi_device.h>
41#include <scsi/scsi_host.h>
42
43#include "aacraid.h"
44
45/* values for inqd_pdt: Peripheral device type in plain English */
46#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
47#define INQD_PDT_PROC 0x03 /* Processor device */
48#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
49#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
50#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
51#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
52
53#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
54#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
55
1da177e4
LT		 56/*
57 * Sense codes
58 */
59
60#define SENCODE_NO_SENSE 0x00
61#define SENCODE_END_OF_DATA 0x00
62#define SENCODE_BECOMING_READY 0x04
63#define SENCODE_INIT_CMD_REQUIRED 0x04
64#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
65#define SENCODE_INVALID_COMMAND 0x20
66#define SENCODE_LBA_OUT_OF_RANGE 0x21
67#define SENCODE_INVALID_CDB_FIELD 0x24
68#define SENCODE_LUN_NOT_SUPPORTED 0x25
69#define SENCODE_INVALID_PARAM_FIELD 0x26
70#define SENCODE_PARAM_NOT_SUPPORTED 0x26
71#define SENCODE_PARAM_VALUE_INVALID 0x26
72#define SENCODE_RESET_OCCURRED 0x29
73#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
74#define SENCODE_INQUIRY_DATA_CHANGED 0x3F
75#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
76#define SENCODE_DIAGNOSTIC_FAILURE 0x40
77#define SENCODE_INTERNAL_TARGET_FAILURE 0x44
78#define SENCODE_INVALID_MESSAGE_ERROR 0x49
79#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
80#define SENCODE_OVERLAPPED_COMMAND 0x4E
81
82/*
83 * Additional sense codes
84 */
85
86#define ASENCODE_NO_SENSE 0x00
87#define ASENCODE_END_OF_DATA 0x05
88#define ASENCODE_BECOMING_READY 0x01
89#define ASENCODE_INIT_CMD_REQUIRED 0x02
90#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
91#define ASENCODE_INVALID_COMMAND 0x00
92#define ASENCODE_LBA_OUT_OF_RANGE 0x00
93#define ASENCODE_INVALID_CDB_FIELD 0x00
94#define ASENCODE_LUN_NOT_SUPPORTED 0x00
95#define ASENCODE_INVALID_PARAM_FIELD 0x00
96#define ASENCODE_PARAM_NOT_SUPPORTED 0x01
97#define ASENCODE_PARAM_VALUE_INVALID 0x02
98#define ASENCODE_RESET_OCCURRED 0x00
99#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
100#define ASENCODE_INQUIRY_DATA_CHANGED 0x03
101#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
102#define ASENCODE_DIAGNOSTIC_FAILURE 0x80
103#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
104#define ASENCODE_INVALID_MESSAGE_ERROR 0x00
105#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
106#define ASENCODE_OVERLAPPED_COMMAND 0x00
107
108#define BYTE0(x) (unsigned char)(x)
109#define BYTE1(x) (unsigned char)((x) >> 8)
110#define BYTE2(x) (unsigned char)((x) >> 16)
111#define BYTE3(x) (unsigned char)((x) >> 24)
112
113/*------------------------------------------------------------------------------
114 * S T R U C T S / T Y P E D E F S
115 *----------------------------------------------------------------------------*/
116/* SCSI inquiry data */
117struct inquiry_data {
118 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
119 u8 inqd_dtq; /* RMB | Device Type Qualifier */
120 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
121 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
122 u8 inqd_len; /* Additional length (n-4) */
123 u8 inqd_pad1[2];/* Reserved - must be zero */
124 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
125 u8 inqd_vid[8]; /* Vendor ID */
126 u8 inqd_pid[16];/* Product ID */
127 u8 inqd_prl[4]; /* Product Revision Level */
128};
129
130/*
131 * M O D U L E G L O B A L S
132 */
133
134static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
135static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
0e68c003 136static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
1da177e4
LT		 137static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
138#ifdef AAC_DETAILED_STATUS_INFO
139static char *aac_get_status_string(u32 status);
140#endif
141
142/*
143 * Non dasd selection is handled entirely in aachba now
144 */
145
146static int nondasd = -1;
147static int dacmode = -1;
148
149static int commit = -1;
404d9a90
MH		 150int startup_timeout = 180;
151int aif_timeout = 120;
1da177e4 152
9a72f976 153module_param(nondasd, int, S_IRUGO|S_IWUSR);
1da177e4 154MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
9a72f976 155module_param(dacmode, int, S_IRUGO|S_IWUSR);
1da177e4 156MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
9a72f976 157module_param(commit, int, S_IRUGO|S_IWUSR);
1da177e4 158MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
404d9a90
MH		 159module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
160MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS.");
161module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
162MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems.");
1da177e4 163
7c00ffa3
MH		 164int numacb = -1;
165module_param(numacb, int, S_IRUGO|S_IWUSR);
9a72f976 166MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware.");
7c00ffa3
MH		 167
168int acbsize = -1;
169module_param(acbsize, int, S_IRUGO|S_IWUSR);
9a72f976 170MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
653ba58d 171
e37ee4be 172int expose_physicals = -1;
653ba58d 173module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
e37ee4be 174MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
03d44337
MH		 175
176
177static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
178 struct fib *fibptr) {
179 struct scsi_device *device;
180
181 if (unlikely(!scsicmd || !scsicmd->scsi_done )) {
182 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"))
183;
184 aac_fib_complete(fibptr);
185 aac_fib_free(fibptr);
186 return 0;
187 }
188 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
189 device = scsicmd->device;
190 if (unlikely(!device || !scsi_device_online(device))) {
191 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
192 aac_fib_complete(fibptr);
193 aac_fib_free(fibptr);
194 return 0;
195 }
196 return 1;
197}
198
1da177e4
LT		 199/**
200 * aac_get_config_status - check the adapter configuration
201 * @common: adapter to query
202 *
203 * Query config status, and commit the configuration if needed.
204 */
8c867b25 205int aac_get_config_status(struct aac_dev *dev, int commit_flag)
1da177e4
LT		 206{
207 int status = 0;
208 struct fib * fibptr;
209
bfb35aa8 210 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 211 return -ENOMEM;
212
bfb35aa8 213 aac_fib_init(fibptr);
1da177e4
LT		 214 {
215 struct aac_get_config_status *dinfo;
216 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
217
218 dinfo->command = cpu_to_le32(VM_ContainerConfig);
219 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
220 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
221 }
222
bfb35aa8 223 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 224 fibptr,
225 sizeof (struct aac_get_config_status),
226 FsaNormal,
227 1, 1,
228 NULL, NULL);
229 if (status < 0 ) {
230 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
231 } else {
232 struct aac_get_config_status_resp *reply
233 = (struct aac_get_config_status_resp *) fib_data(fibptr);
234 dprintk((KERN_WARNING
235 "aac_get_config_status: response=%d status=%d action=%d\n",
236 le32_to_cpu(reply->response),
237 le32_to_cpu(reply->status),
238 le32_to_cpu(reply->data.action)));
239 if ((le32_to_cpu(reply->response) != ST_OK) ||
240 (le32_to_cpu(reply->status) != CT_OK) ||
241 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
242 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
243 status = -EINVAL;
244 }
245 }
bfb35aa8 246 aac_fib_complete(fibptr);
1da177e4
LT		 247 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
248 if (status >= 0) {
8c867b25 249 if ((commit == 1) || commit_flag) {
1da177e4 250 struct aac_commit_config * dinfo;
bfb35aa8 251 aac_fib_init(fibptr);
1da177e4
LT		 252 dinfo = (struct aac_commit_config *) fib_data(fibptr);
253
254 dinfo->command = cpu_to_le32(VM_ContainerConfig);
255 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
256
bfb35aa8 257 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 258 fibptr,
259 sizeof (struct aac_commit_config),
260 FsaNormal,
261 1, 1,
262 NULL, NULL);
bfb35aa8 263 aac_fib_complete(fibptr);
1da177e4
LT		 264 } else if (commit == 0) {
265 printk(KERN_WARNING
266 "aac_get_config_status: Foreign device configurations are being ignored\n");
267 }
268 }
bfb35aa8 269 aac_fib_free(fibptr);
1da177e4
LT		 270 return status;
271}
272
273/**
274 * aac_get_containers - list containers
275 * @common: adapter to probe
276 *
277 * Make a list of all containers on this controller
278 */
279int aac_get_containers(struct aac_dev *dev)
280{
281 struct fsa_dev_info *fsa_dev_ptr;
282 u32 index;
283 int status = 0;
284 struct fib * fibptr;
1da177e4
LT		 285 struct aac_get_container_count *dinfo;
286 struct aac_get_container_count_resp *dresp;
287 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
288
bfb35aa8 289 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 290 return -ENOMEM;
291
bfb35aa8 292 aac_fib_init(fibptr);
1da177e4
LT		 293 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
294 dinfo->command = cpu_to_le32(VM_ContainerConfig);
295 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
296
bfb35aa8 297 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 298 fibptr,
299 sizeof (struct aac_get_container_count),
300 FsaNormal,
301 1, 1,
302 NULL, NULL);
303 if (status >= 0) {
304 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
305 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
bfb35aa8 306 aac_fib_complete(fibptr);
1da177e4 307 }
fe76df42 308 aac_fib_free(fibptr);
1da177e4
LT		 309
310 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
311 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
fe76df42
MH		 312 fsa_dev_ptr = kmalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
313 GFP_KERNEL);
314 if (!fsa_dev_ptr)
1da177e4 315 return -ENOMEM;
1da177e4
LT		 316 memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
317
318 dev->fsa_dev = fsa_dev_ptr;
319 dev->maximum_num_containers = maximum_num_containers;
320
fe76df42 321 for (index = 0; index < dev->maximum_num_containers; ) {
1da177e4
LT		 322 fsa_dev_ptr[index].devname[0] = '\0';
323
fe76df42 324 status = aac_probe_container(dev, index);
1da177e4 325
fe76df42 326 if (status < 0) {
1da177e4
LT		 327 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
328 break;
329 }
7a8cf29d 330
1da177e4
LT		 331 /*
332 * If there are no more containers, then stop asking.
333 */
fe76df42 334 if (++index >= status)
1da177e4 335 break;
1da177e4 336 }
1da177e4
LT		 337 return status;
338}
339
3b2946cc
MH		 340static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
341{
342 void *buf;
343 unsigned int transfer_len;
344 struct scatterlist *sg = scsicmd->request_buffer;
345
346 if (scsicmd->use_sg) {
347 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
348 transfer_len = min(sg->length, len + offset);
349 } else {
350 buf = scsicmd->request_buffer;
351 transfer_len = min(scsicmd->request_bufflen, len + offset);
352 }
20235f35
SM		 353 transfer_len -= offset;
354 if (buf && transfer_len)
355 memcpy(buf + offset, data, transfer_len);
3b2946cc
MH		 356
357 if (scsicmd->use_sg)
358 kunmap_atomic(buf - sg->offset, KM_IRQ0);
359
360}
361
1da177e4
LT		 362static void get_container_name_callback(void *context, struct fib * fibptr)
363{
364 struct aac_get_name_resp * get_name_reply;
365 struct scsi_cmnd * scsicmd;
366
367 scsicmd = (struct scsi_cmnd *) context;
368
03d44337
MH		 369 if (!aac_valid_context(scsicmd, fibptr))
370 return;
371
1da177e4 372 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
125e1874 373 BUG_ON(fibptr == NULL);
1da177e4
LT		 374
375 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
376 /* Failure is irrelevant, using default value instead */
377 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
378 && (get_name_reply->data[0] != '\0')) {
3b2946cc 379 char *sp = get_name_reply->data;
1da177e4
LT		 380 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
381 while (*sp == ' ')
382 ++sp;
3b2946cc
MH		 383 if (*sp) {
384 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
385 int count = sizeof(d);
386 char *dp = d;
387 do {
388 *dp++ = (*sp) ? *sp++ : ' ';
389 } while (--count > 0);
390 aac_internal_transfer(scsicmd, d,
391 offsetof(struct inquiry_data, inqd_pid), sizeof(d));
392 }
1da177e4 393 }
3b2946cc 394
1da177e4
LT		 395 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
396
bfb35aa8
MH		 397 aac_fib_complete(fibptr);
398 aac_fib_free(fibptr);
8e0c5ebd 399 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 400}
401
402/**
403 * aac_get_container_name - get container name, none blocking.
404 */
9e7c349c 405static int aac_get_container_name(struct scsi_cmnd * scsicmd)
1da177e4
LT		 406{
407 int status;
408 struct aac_get_name *dinfo;
409 struct fib * cmd_fibcontext;
410 struct aac_dev * dev;
411
412 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
413
bfb35aa8 414 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
1da177e4
LT		 415 return -ENOMEM;
416
bfb35aa8 417 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 418 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
419
420 dinfo->command = cpu_to_le32(VM_ContainerConfig);
421 dinfo->type = cpu_to_le32(CT_READ_NAME);
9e7c349c 422 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 423 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
424
bfb35aa8 425 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 426 cmd_fibcontext,
427 sizeof (struct aac_get_name),
428 FsaNormal,
429 0, 1,
430 (fib_callback) get_container_name_callback,
431 (void *) scsicmd);
432
433 /*
434 * Check that the command queued to the controller
435 */
77d644d4
MH		 436 if (status == -EINPROGRESS) {
437 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 438 return 0;
77d644d4 439 }
1da177e4 440
bfb35aa8
MH		 441 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
442 aac_fib_complete(cmd_fibcontext);
443 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 444 return -1;
445}
446
fe76df42 447static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
1da177e4 448{
fe76df42 449 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
1da177e4 450
fe76df42
MH		 451 if (fsa_dev_ptr[scmd_id(scsicmd)].valid)
452 return aac_scsi_cmd(scsicmd);
1da177e4 453
fe76df42
MH		 454 scsicmd->result = DID_NO_CONNECT << 16;
455 scsicmd->scsi_done(scsicmd);
456 return 0;
457}
458
459static int _aac_probe_container2(void * context, struct fib * fibptr)
460{
03d44337 461 struct fsa_dev_info *fsa_dev_ptr;
fe76df42 462 int (*callback)(struct scsi_cmnd *);
03d44337
MH		 463 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
464
465 if (!aac_valid_context(scsicmd, fibptr))
466 return 0;
467
468 fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
fe76df42
MH		 469
470 scsicmd->SCp.Status = 0;
471 if (fsa_dev_ptr) {
472 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
473 fsa_dev_ptr += scmd_id(scsicmd);
474
475 if ((le32_to_cpu(dresp->status) == ST_OK) &&
476 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
477 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
478 fsa_dev_ptr->valid = 1;
479 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
480 fsa_dev_ptr->size
481 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
482 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
483 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
484 }
485 if ((fsa_dev_ptr->valid & 1) == 0)
486 fsa_dev_ptr->valid = 0;
487 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
488 }
489 aac_fib_complete(fibptr);
490 aac_fib_free(fibptr);
491 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
492 scsicmd->SCp.ptr = NULL;
493 return (*callback)(scsicmd);
494}
495
496static int _aac_probe_container1(void * context, struct fib * fibptr)
497{
498 struct scsi_cmnd * scsicmd;
499 struct aac_mount * dresp;
500 struct aac_query_mount *dinfo;
501 int status;
502
503 dresp = (struct aac_mount *) fib_data(fibptr);
504 dresp->mnt[0].capacityhigh = 0;
505 if ((le32_to_cpu(dresp->status) != ST_OK) ||
506 ((le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
507 (le32_to_cpu(dresp->mnt[0].state) == FSCS_HIDDEN)))
508 return _aac_probe_container2(context, fibptr);
509 scsicmd = (struct scsi_cmnd *) context;
510 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
1da177e4 511
03d44337
MH		 512 if (!aac_valid_context(scsicmd, fibptr))
513 return 0;
514
bfb35aa8 515 aac_fib_init(fibptr);
1da177e4
LT		 516
517 dinfo = (struct aac_query_mount *)fib_data(fibptr);
518
fe76df42
MH		 519 dinfo->command = cpu_to_le32(VM_NameServe64);
520 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 521 dinfo->type = cpu_to_le32(FT_FILESYS);
522
bfb35aa8 523 status = aac_fib_send(ContainerCommand,
fe76df42
MH		 524 fibptr,
525 sizeof(struct aac_query_mount),
526 FsaNormal,
527 0, 1,
528 (fib_callback) _aac_probe_container2,
529 (void *) scsicmd);
530 /*
531 * Check that the command queued to the controller
532 */
533 if (status == -EINPROGRESS) {
534 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
535 return 0;
536 }
1da177e4 537 if (status < 0) {
fe76df42
MH		 538 /* Inherit results from VM_NameServe, if any */
539 dresp->status = cpu_to_le32(ST_OK);
540 return _aac_probe_container2(context, fibptr);
1da177e4 541 }
fe76df42
MH		 542 return 0;
543}
1da177e4 544
fe76df42
MH		 545static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
546{
547 struct fib * fibptr;
548 int status = -ENOMEM;
549
550 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
551 struct aac_query_mount *dinfo;
552
553 aac_fib_init(fibptr);
554
555 dinfo = (struct aac_query_mount *)fib_data(fibptr);
1da177e4 556
fe76df42
MH		 557 dinfo->command = cpu_to_le32(VM_NameServe);
558 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
7a8cf29d 559 dinfo->type = cpu_to_le32(FT_FILESYS);
fe76df42 560 scsicmd->SCp.ptr = (char *)callback;
7a8cf29d 561
fe76df42
MH		 562 status = aac_fib_send(ContainerCommand,
563 fibptr,
564 sizeof(struct aac_query_mount),
565 FsaNormal,
566 0, 1,
567 (fib_callback) _aac_probe_container1,
568 (void *) scsicmd);
569 /*
570 * Check that the command queued to the controller
571 */
572 if (status == -EINPROGRESS) {
573 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
574 return 0;
575 }
576 if (status < 0) {
577 scsicmd->SCp.ptr = NULL;
578 aac_fib_complete(fibptr);
579 aac_fib_free(fibptr);
580 }
581 }
582 if (status < 0) {
583 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
584 if (fsa_dev_ptr) {
585 fsa_dev_ptr += scmd_id(scsicmd);
586 if ((fsa_dev_ptr->valid & 1) == 0) {
587 fsa_dev_ptr->valid = 0;
588 return (*callback)(scsicmd);
589 }
590 }
1da177e4 591 }
fe76df42
MH		 592 return status;
593}
1da177e4 594
fe76df42
MH		 595/**
596 * aac_probe_container - query a logical volume
597 * @dev: device to query
598 * @cid: container identifier
599 *
600 * Queries the controller about the given volume. The volume information
601 * is updated in the struct fsa_dev_info structure rather than returned.
602 */
603static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
604{
605 scsicmd->device = NULL;
606 return 0;
607}
1da177e4 608
fe76df42
MH		 609int aac_probe_container(struct aac_dev *dev, int cid)
610{
611 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
612 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
613 int status;
614
615 if (!scsicmd || !scsidev) {
616 kfree(scsicmd);
617 kfree(scsidev);
618 return -ENOMEM;
619 }
620 scsicmd->list.next = NULL;
621 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
622
623 scsicmd->device = scsidev;
624 scsidev->sdev_state = 0;
625 scsidev->id = cid;
626 scsidev->host = dev->scsi_host_ptr;
627
628 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
629 while (scsicmd->device == scsidev)
630 schedule();
802ae2f0 631 kfree(scsidev);
fe76df42
MH		 632 status = scsicmd->SCp.Status;
633 kfree(scsicmd);
1da177e4
LT		 634 return status;
635}
636
637/* Local Structure to set SCSI inquiry data strings */
638struct scsi_inq {
639 char vid[8]; /* Vendor ID */
640 char pid[16]; /* Product ID */
641 char prl[4]; /* Product Revision Level */
642};
643
644/**
645 * InqStrCopy - string merge
646 * @a: string to copy from
647 * @b: string to copy to
648 *
649 * Copy a String from one location to another
650 * without copying \0
651 */
652
653static void inqstrcpy(char *a, char *b)
654{
655
656 while(*a != (char)0)
657 *b++ = *a++;
658}
659
660static char *container_types[] = {
661 "None",
662 "Volume",
663 "Mirror",
664 "Stripe",
665 "RAID5",
666 "SSRW",
667 "SSRO",
668 "Morph",
669 "Legacy",
670 "RAID4",
671 "RAID10",
672 "RAID00",
673 "V-MIRRORS",
674 "PSEUDO R4",
675 "RAID50",
84971738
MH		 676 "RAID5D",
677 "RAID5D0",
678 "RAID1E",
679 "RAID6",
680 "RAID60",
1da177e4
LT		 681 "Unknown"
682};
683
684
685
686/* Function: setinqstr
687 *
688 * Arguments: [1] pointer to void [1] int
689 *
690 * Purpose: Sets SCSI inquiry data strings for vendor, product
691 * and revision level. Allows strings to be set in platform dependant
692 * files instead of in OS dependant driver source.
693 */
694
794d0601 695static void setinqstr(struct aac_dev *dev, void *data, int tindex)
1da177e4
LT		 696{
697 struct scsi_inq *str;
1da177e4 698
1da177e4 699 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
794d0601
MH		 700 memset(str, ' ', sizeof(*str));
701
702 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
703 char * cp = dev->supplement_adapter_info.AdapterTypeText;
704 int c = sizeof(str->vid);
705 while (*cp && *cp != ' ' && --c)
706 ++cp;
707 c = *cp;
708 *cp = '\0';
709 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
710 str->vid);
711 *cp = c;
712 while (*cp && *cp != ' ')
713 ++cp;
714 while (*cp == ' ')
715 ++cp;
716 /* last six chars reserved for vol type */
717 c = 0;
718 if (strlen(cp) > sizeof(str->pid)) {
719 c = cp[sizeof(str->pid)];
720 cp[sizeof(str->pid)] = '\0';
721 }
722 inqstrcpy (cp, str->pid);
723 if (c)
724 cp[sizeof(str->pid)] = c;
725 } else {
726 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
6391a113
TK		 727
728 inqstrcpy (mp->vname, str->vid);
794d0601
MH		 729 /* last six chars reserved for vol type */
730 inqstrcpy (mp->model, str->pid);
731 }
1da177e4 732
6391a113 733 if (tindex < ARRAY_SIZE(container_types)){
1da177e4
LT		 734 char *findit = str->pid;
735
736 for ( ; *findit != ' '; findit++); /* walk till we find a space */
737 /* RAID is superfluous in the context of a RAID device */
738 if (memcmp(findit-4, "RAID", 4) == 0)
739 *(findit -= 4) = ' ';
794d0601
MH		 740 if (((findit - str->pid) + strlen(container_types[tindex]))
741 < (sizeof(str->pid) + sizeof(str->prl)))
742 inqstrcpy (container_types[tindex], findit + 1);
1da177e4
LT		 743 }
744 inqstrcpy ("V1.0", str->prl);
745}
746
4833869e
AB		 747static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
748 u8 a_sense_code, u8 incorrect_length,
749 u8 bit_pointer, u16 field_pointer,
750 u32 residue)
1da177e4
LT		 751{
752 sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
753 sense_buf[1] = 0; /* Segment number, always zero */
754
755 if (incorrect_length) {
756 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
757 sense_buf[3] = BYTE3(residue);
758 sense_buf[4] = BYTE2(residue);
759 sense_buf[5] = BYTE1(residue);
760 sense_buf[6] = BYTE0(residue);
761 } else
762 sense_buf[2] = sense_key; /* Sense key */
763
764 if (sense_key == ILLEGAL_REQUEST)
765 sense_buf[7] = 10; /* Additional sense length */
766 else
767 sense_buf[7] = 6; /* Additional sense length */
768
769 sense_buf[12] = sense_code; /* Additional sense code */
770 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
771 if (sense_key == ILLEGAL_REQUEST) {
772 sense_buf[15] = 0;
773
774 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
775 sense_buf[15] = 0x80;/* Std sense key specific field */
776 /* Illegal parameter is in the parameter block */
777
778 if (sense_code == SENCODE_INVALID_CDB_FIELD)
779 sense_buf[15] = 0xc0;/* Std sense key specific field */
780 /* Illegal parameter is in the CDB block */
781 sense_buf[15] |= bit_pointer;
782 sense_buf[16] = field_pointer >> 8; /* MSB */
783 sense_buf[17] = field_pointer; /* LSB */
784 }
785}
786
e8f32de5
MH		 787static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
788{
789 if (lba & 0xffffffff00000000LL) {
790 int cid = scmd_id(cmd);
791 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
792 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
793 SAM_STAT_CHECK_CONDITION;
794 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
795 HARDWARE_ERROR,
796 SENCODE_INTERNAL_TARGET_FAILURE,
797 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
798 0, 0);
799 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
800 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
801 ? sizeof(cmd->sense_buffer)
802 : sizeof(dev->fsa_dev[cid].sense_data));
803 cmd->scsi_done(cmd);
804 return 1;
805 }
806 return 0;
807}
808
809static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
810{
811 return 0;
812}
813
814static void io_callback(void *context, struct fib * fibptr);
815
816static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
817{
818 u16 fibsize;
819 struct aac_raw_io *readcmd;
820 aac_fib_init(fib);
821 readcmd = (struct aac_raw_io *) fib_data(fib);
822 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
823 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
824 readcmd->count = cpu_to_le32(count<<9);
825 readcmd->cid = cpu_to_le16(scmd_id(cmd));
826 readcmd->flags = cpu_to_le16(1);
827 readcmd->bpTotal = 0;
828 readcmd->bpComplete = 0;
829
830 aac_build_sgraw(cmd, &readcmd->sg);
831 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
832 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
833 /*
834 * Now send the Fib to the adapter
835 */
836 return aac_fib_send(ContainerRawIo,
837 fib,
838 fibsize,
839 FsaNormal,
840 0, 1,
841 (fib_callback) io_callback,
842 (void *) cmd);
843}
844
845static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
846{
847 u16 fibsize;
848 struct aac_read64 *readcmd;
849 aac_fib_init(fib);
850 readcmd = (struct aac_read64 *) fib_data(fib);
851 readcmd->command = cpu_to_le32(VM_CtHostRead64);
852 readcmd->cid = cpu_to_le16(scmd_id(cmd));
853 readcmd->sector_count = cpu_to_le16(count);
854 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
855 readcmd->pad = 0;
856 readcmd->flags = 0;
857
858 aac_build_sg64(cmd, &readcmd->sg);
859 fibsize = sizeof(struct aac_read64) +
860 ((le32_to_cpu(readcmd->sg.count) - 1) *
861 sizeof (struct sgentry64));
862 BUG_ON (fibsize > (fib->dev->max_fib_size -
863 sizeof(struct aac_fibhdr)));
864 /*
865 * Now send the Fib to the adapter
866 */
867 return aac_fib_send(ContainerCommand64,
868 fib,
869 fibsize,
870 FsaNormal,
871 0, 1,
872 (fib_callback) io_callback,
873 (void *) cmd);
874}
875
876static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
877{
878 u16 fibsize;
879 struct aac_read *readcmd;
880 aac_fib_init(fib);
881 readcmd = (struct aac_read *) fib_data(fib);
882 readcmd->command = cpu_to_le32(VM_CtBlockRead);
883 readcmd->cid = cpu_to_le16(scmd_id(cmd));
884 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
885 readcmd->count = cpu_to_le32(count * 512);
886
887 aac_build_sg(cmd, &readcmd->sg);
888 fibsize = sizeof(struct aac_read) +
889 ((le32_to_cpu(readcmd->sg.count) - 1) *
890 sizeof (struct sgentry));
891 BUG_ON (fibsize > (fib->dev->max_fib_size -
892 sizeof(struct aac_fibhdr)));
893 /*
894 * Now send the Fib to the adapter
895 */
896 return aac_fib_send(ContainerCommand,
897 fib,
898 fibsize,
899 FsaNormal,
900 0, 1,
901 (fib_callback) io_callback,
902 (void *) cmd);
903}
904
905static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
906{
907 u16 fibsize;
908 struct aac_raw_io *writecmd;
909 aac_fib_init(fib);
910 writecmd = (struct aac_raw_io *) fib_data(fib);
911 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
912 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
913 writecmd->count = cpu_to_le32(count<<9);
914 writecmd->cid = cpu_to_le16(scmd_id(cmd));
915 writecmd->flags = 0;
916 writecmd->bpTotal = 0;
917 writecmd->bpComplete = 0;
918
919 aac_build_sgraw(cmd, &writecmd->sg);
920 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
921 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
922 /*
923 * Now send the Fib to the adapter
924 */
925 return aac_fib_send(ContainerRawIo,
926 fib,
927 fibsize,
928 FsaNormal,
929 0, 1,
930 (fib_callback) io_callback,
931 (void *) cmd);
932}
933
934static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
935{
936 u16 fibsize;
937 struct aac_write64 *writecmd;
938 aac_fib_init(fib);
939 writecmd = (struct aac_write64 *) fib_data(fib);
940 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
941 writecmd->cid = cpu_to_le16(scmd_id(cmd));
942 writecmd->sector_count = cpu_to_le16(count);
943 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
944 writecmd->pad = 0;
945 writecmd->flags = 0;
946
947 aac_build_sg64(cmd, &writecmd->sg);
948 fibsize = sizeof(struct aac_write64) +
949 ((le32_to_cpu(writecmd->sg.count) - 1) *
950 sizeof (struct sgentry64));
951 BUG_ON (fibsize > (fib->dev->max_fib_size -
952 sizeof(struct aac_fibhdr)));
953 /*
954 * Now send the Fib to the adapter
955 */
956 return aac_fib_send(ContainerCommand64,
957 fib,
958 fibsize,
959 FsaNormal,
960 0, 1,
961 (fib_callback) io_callback,
962 (void *) cmd);
963}
964
965static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
966{
967 u16 fibsize;
968 struct aac_write *writecmd;
969 aac_fib_init(fib);
970 writecmd = (struct aac_write *) fib_data(fib);
971 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
972 writecmd->cid = cpu_to_le16(scmd_id(cmd));
973 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
974 writecmd->count = cpu_to_le32(count * 512);
975 writecmd->sg.count = cpu_to_le32(1);
976 /* ->stable is not used - it did mean which type of write */
977
978 aac_build_sg(cmd, &writecmd->sg);
979 fibsize = sizeof(struct aac_write) +
980 ((le32_to_cpu(writecmd->sg.count) - 1) *
981 sizeof (struct sgentry));
982 BUG_ON (fibsize > (fib->dev->max_fib_size -
983 sizeof(struct aac_fibhdr)));
984 /*
985 * Now send the Fib to the adapter
986 */
987 return aac_fib_send(ContainerCommand,
988 fib,
989 fibsize,
990 FsaNormal,
991 0, 1,
992 (fib_callback) io_callback,
993 (void *) cmd);
994}
995
996static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
997{
998 struct aac_srb * srbcmd;
999 u32 flag;
1000 u32 timeout;
1001
1002 aac_fib_init(fib);
1003 switch(cmd->sc_data_direction){
1004 case DMA_TO_DEVICE:
1005 flag = SRB_DataOut;
1006 break;
1007 case DMA_BIDIRECTIONAL:
1008 flag = SRB_DataIn | SRB_DataOut;
1009 break;
1010 case DMA_FROM_DEVICE:
1011 flag = SRB_DataIn;
1012 break;
1013 case DMA_NONE:
1014 default: /* shuts up some versions of gcc */
1015 flag = SRB_NoDataXfer;
1016 break;
1017 }
1018
1019 srbcmd = (struct aac_srb*) fib_data(fib);
1020 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1021 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1022 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1023 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1024 srbcmd->flags = cpu_to_le32(flag);
1025 timeout = cmd->timeout_per_command/HZ;
1026 if (timeout == 0)
1027 timeout = 1;
1028 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1029 srbcmd->retry_limit = 0; /* Obsolete parameter */
1030 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1031 return srbcmd;
1032}
1033
1034static void aac_srb_callback(void *context, struct fib * fibptr);
1035
1036static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1037{
1038 u16 fibsize;
1039 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1040
1041 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1042 srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1043
1044 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1045 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1046 /*
1047 * Build Scatter/Gather list
1048 */
1049 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1050 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1051 sizeof (struct sgentry64));
1052 BUG_ON (fibsize > (fib->dev->max_fib_size -
1053 sizeof(struct aac_fibhdr)));
1054
1055 /*
1056 * Now send the Fib to the adapter
1057 */
1058 return aac_fib_send(ScsiPortCommand64, fib,
1059 fibsize, FsaNormal, 0, 1,
1060 (fib_callback) aac_srb_callback,
1061 (void *) cmd);
1062}
1063
1064static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1065{
1066 u16 fibsize;
1067 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1068
1069 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1070 srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1071
1072 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1073 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1074 /*
1075 * Build Scatter/Gather list
1076 */
1077 fibsize = sizeof (struct aac_srb) +
1078 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1079 sizeof (struct sgentry));
1080 BUG_ON (fibsize > (fib->dev->max_fib_size -
1081 sizeof(struct aac_fibhdr)));
1082
1083 /*
1084 * Now send the Fib to the adapter
1085 */
1086 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1087 (fib_callback) aac_srb_callback, (void *) cmd);
1088}
1089
1da177e4
LT		 1090int aac_get_adapter_info(struct aac_dev* dev)
1091{
1092 struct fib* fibptr;
1da177e4
LT		 1093 int rcode;
1094 u32 tmp;
84971738
MH		 1095 struct aac_adapter_info *info;
1096 struct aac_bus_info *command;
1097 struct aac_bus_info_response *bus_info;
7c00ffa3 1098
bfb35aa8 1099 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 1100 return -ENOMEM;
1101
bfb35aa8 1102 aac_fib_init(fibptr);
7c00ffa3
MH		 1103 info = (struct aac_adapter_info *) fib_data(fibptr);
1104 memset(info,0,sizeof(*info));
1da177e4 1105
bfb35aa8 1106 rcode = aac_fib_send(RequestAdapterInfo,
7c00ffa3
MH		 1107 fibptr,
1108 sizeof(*info),
1109 FsaNormal,
9203344c 1110 -1, 1, /* First `interrupt' command uses special wait */
7c00ffa3
MH		 1111 NULL,
1112 NULL);
1113
1114 if (rcode < 0) {
bfb35aa8
MH		 1115 aac_fib_complete(fibptr);
1116 aac_fib_free(fibptr);
7c00ffa3
MH		 1117 return rcode;
1118 }
1119 memcpy(&dev->adapter_info, info, sizeof(*info));
1da177e4 1120
7c00ffa3
MH		 1121 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1122 struct aac_supplement_adapter_info * info;
1123
bfb35aa8 1124 aac_fib_init(fibptr);
7c00ffa3
MH		 1125
1126 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1127
1128 memset(info,0,sizeof(*info));
1129
bfb35aa8 1130 rcode = aac_fib_send(RequestSupplementAdapterInfo,
7c00ffa3
MH		 1131 fibptr,
1132 sizeof(*info),
1133 FsaNormal,
1134 1, 1,
1135 NULL,
1136 NULL);
1137
1138 if (rcode >= 0)
1139 memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1140 }
1da177e4 1141
84971738
MH		 1142
1143 /*
1144 * GetBusInfo
1145 */
1146
bfb35aa8 1147 aac_fib_init(fibptr);
84971738
MH		 1148
1149 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1150
1151 memset(bus_info, 0, sizeof(*bus_info));
1152
1153 command = (struct aac_bus_info *)bus_info;
1154
1155 command->Command = cpu_to_le32(VM_Ioctl);
1156 command->ObjType = cpu_to_le32(FT_DRIVE);
1157 command->MethodId = cpu_to_le32(1);
1158 command->CtlCmd = cpu_to_le32(GetBusInfo);
1159
bfb35aa8 1160 rcode = aac_fib_send(ContainerCommand,
84971738
MH		 1161 fibptr,
1162 sizeof (*bus_info),
1163 FsaNormal,
1164 1, 1,
1165 NULL, NULL);
1166
1167 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1168 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1169 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1170 }
1171
8c867b25
MH		 1172 if (!dev->in_reset) {
1173 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1174 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1da177e4
LT		 1175 dev->name,
1176 dev->id,
1177 tmp>>24,
1178 (tmp>>16)&0xff,
1179 tmp&0xff,
7c00ffa3
MH		 1180 le32_to_cpu(dev->adapter_info.kernelbuild),
1181 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1182 dev->supplement_adapter_info.BuildDate);
8c867b25
MH		 1183 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1184 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1da177e4
LT		 1185 dev->name, dev->id,
1186 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1187 le32_to_cpu(dev->adapter_info.monitorbuild));
8c867b25
MH		 1188 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1189 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1da177e4
LT		 1190 dev->name, dev->id,
1191 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1192 le32_to_cpu(dev->adapter_info.biosbuild));
8c867b25
MH		 1193 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1194 printk(KERN_INFO "%s%d: serial %x\n",
1195 dev->name, dev->id,
1196 le32_to_cpu(dev->adapter_info.serial[0]));
1197 }
1da177e4
LT		 1198
1199 dev->nondasd_support = 0;
1200 dev->raid_scsi_mode = 0;
1201 if(dev->adapter_info.options & AAC_OPT_NONDASD){
1202 dev->nondasd_support = 1;
1203 }
1204
1205 /*
1206 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1207 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1208 * force nondasd support on. If we decide to allow the non-dasd flag
1209 * additional changes changes will have to be made to support
1210 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1211 * changed to support the new dev->raid_scsi_mode flag instead of
1212 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1213 * function aac_detect will have to be modified where it sets up the
1214 * max number of channels based on the aac->nondasd_support flag only.
1215 */
1216 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1217 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1218 dev->nondasd_support = 1;
1219 dev->raid_scsi_mode = 1;
1220 }
1221 if (dev->raid_scsi_mode != 0)
1222 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1223 dev->name, dev->id);
1224
1225 if(nondasd != -1) {
1226 dev->nondasd_support = (nondasd!=0);
1227 }
1228 if(dev->nondasd_support != 0){
1229 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1230 }
1231
1232 dev->dac_support = 0;
1233 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1234 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1235 dev->dac_support = 1;
1236 }
1237
1238 if(dacmode != -1) {
1239 dev->dac_support = (dacmode!=0);
1240 }
1241 if(dev->dac_support != 0) {
71e0f32f
JB		 1242 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1243 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1da177e4
LT		 1244 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1245 dev->name, dev->id);
71e0f32f
JB		 1246 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1247 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1da177e4
LT		 1248 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1249 dev->name, dev->id);
1250 dev->dac_support = 0;
1251 } else {
1252 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1253 dev->name, dev->id);
1254 rcode = -ENOMEM;
1255 }
1256 }
7c00ffa3 1257 /*
e8f32de5
MH		 1258 * Deal with configuring for the individualized limits of each packet
1259 * interface.
7c00ffa3 1260 */
e8f32de5
MH		 1261 dev->a_ops.adapter_scsi = (dev->dac_support)
1262 ? aac_scsi_64
1263 : aac_scsi_32;
1264 if (dev->raw_io_interface) {
1265 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1266 ? aac_bounds_64
1267 : aac_bounds_32;
1268 dev->a_ops.adapter_read = aac_read_raw_io;
1269 dev->a_ops.adapter_write = aac_write_raw_io;
1270 } else {
1271 dev->a_ops.adapter_bounds = aac_bounds_32;
0e68c003 1272 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
7c00ffa3 1273 sizeof(struct aac_fibhdr) -
63a70eea
MH		 1274 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1275 sizeof(struct sgentry);
0e68c003 1276 if (dev->dac_support) {
e8f32de5
MH		 1277 dev->a_ops.adapter_read = aac_read_block64;
1278 dev->a_ops.adapter_write = aac_write_block64;
0e68c003
MH		 1279 /*
1280 * 38 scatter gather elements
1281 */
1282 dev->scsi_host_ptr->sg_tablesize =
1283 (dev->max_fib_size -
1284 sizeof(struct aac_fibhdr) -
1285 sizeof(struct aac_write64) +
63a70eea
MH		 1286 sizeof(struct sgentry64)) /
1287 sizeof(struct sgentry64);
e8f32de5
MH		 1288 } else {
1289 dev->a_ops.adapter_read = aac_read_block;
1290 dev->a_ops.adapter_write = aac_write_block;
0e68c003
MH		 1291 }
1292 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1293 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1294 /*
1295 * Worst case size that could cause sg overflow when
1296 * we break up SG elements that are larger than 64KB.
1297 * Would be nice if we could tell the SCSI layer what
1298 * the maximum SG element size can be. Worst case is
1299 * (sg_tablesize-1) 4KB elements with one 64KB
1300 * element.
1301 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1302 */
1303 dev->scsi_host_ptr->max_sectors =
1304 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1305 }
7c00ffa3 1306 }
1da177e4 1307
bfb35aa8
MH		 1308 aac_fib_complete(fibptr);
1309 aac_fib_free(fibptr);
1da177e4
LT		 1310
1311 return rcode;
1312}
1313
1314
e53cb35a 1315static void io_callback(void *context, struct fib * fibptr)
1da177e4
LT		 1316{
1317 struct aac_dev *dev;
1318 struct aac_read_reply *readreply;
1319 struct scsi_cmnd *scsicmd;
1da177e4
LT		 1320 u32 cid;
1321
1322 scsicmd = (struct scsi_cmnd *) context;
1323
03d44337
MH		 1324 if (!aac_valid_context(scsicmd, fibptr))
1325 return;
1326
1da177e4 1327 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
e5718774 1328 cid = scmd_id(scsicmd);
1da177e4 1329
7a8cf29d
MH		 1330 if (nblank(dprintk(x))) {
1331 u64 lba;
1332 switch (scsicmd->cmnd[0]) {
1333 case WRITE_6:
1334 case READ_6:
1335 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1336 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1337 break;
1338 case WRITE_16:
1339 case READ_16:
1340 lba = ((u64)scsicmd->cmnd[2] << 56) |
1341 ((u64)scsicmd->cmnd[3] << 48) |
1342 ((u64)scsicmd->cmnd[4] << 40) |
1343 ((u64)scsicmd->cmnd[5] << 32) |
1344 ((u64)scsicmd->cmnd[6] << 24) |
1345 (scsicmd->cmnd[7] << 16) |
1346 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1347 break;
1348 case WRITE_12:
1349 case READ_12:
1350 lba = ((u64)scsicmd->cmnd[2] << 24) |
1351 (scsicmd->cmnd[3] << 16) |
1352 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1353 break;
1354 default:
1355 lba = ((u64)scsicmd->cmnd[2] << 24) |
1356 (scsicmd->cmnd[3] << 16) |
1357 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1358 break;
1359 }
1360 printk(KERN_DEBUG
1361 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1362 smp_processor_id(), (unsigned long long)lba, jiffies);
1363 }
1da177e4 1364
125e1874 1365 BUG_ON(fibptr == NULL);
1da177e4
LT		 1366
1367 if(scsicmd->use_sg)
1368 pci_unmap_sg(dev->pdev,
5d5ff44f 1369 (struct scatterlist *)scsicmd->request_buffer,
1da177e4
LT		 1370 scsicmd->use_sg,
1371 scsicmd->sc_data_direction);
1372 else if(scsicmd->request_bufflen)
1373 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
1374 scsicmd->request_bufflen,
1375 scsicmd->sc_data_direction);
1376 readreply = (struct aac_read_reply *)fib_data(fibptr);
1377 if (le32_to_cpu(readreply->status) == ST_OK)
1378 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1379 else {
7c00ffa3 1380#ifdef AAC_DETAILED_STATUS_INFO
e53cb35a 1381 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
7c00ffa3
MH		 1382 le32_to_cpu(readreply->status));
1383#endif
1da177e4
LT		 1384 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1385 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1386 HARDWARE_ERROR,
1387 SENCODE_INTERNAL_TARGET_FAILURE,
1388 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1389 0, 0);
1390 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1391 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1392 ? sizeof(scsicmd->sense_buffer)
1393 : sizeof(dev->fsa_dev[cid].sense_data));
1394 }
bfb35aa8
MH		 1395 aac_fib_complete(fibptr);
1396 aac_fib_free(fibptr);
1da177e4 1397
8e0c5ebd 1398 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 1399}
1400
9e7c349c 1401static int aac_read(struct scsi_cmnd * scsicmd)
1da177e4 1402{
7a8cf29d 1403 u64 lba;
1da177e4
LT		 1404 u32 count;
1405 int status;
1da177e4
LT		 1406 struct aac_dev *dev;
1407 struct fib * cmd_fibcontext;
1408
1409 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1410 /*
1411 * Get block address and transfer length
1412 */
7a8cf29d
MH		 1413 switch (scsicmd->cmnd[0]) {
1414 case READ_6:
9e7c349c 1415 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 1416
7a8cf29d
MH		 1417 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1418 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1da177e4
LT		 1419 count = scsicmd->cmnd[4];
1420
1421 if (count == 0)
1422 count = 256;
7a8cf29d
MH		 1423 break;
1424 case READ_16:
9e7c349c 1425 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 1426
1427 lba = ((u64)scsicmd->cmnd[2] << 56) |
1428 ((u64)scsicmd->cmnd[3] << 48) |
1429 ((u64)scsicmd->cmnd[4] << 40) |
1430 ((u64)scsicmd->cmnd[5] << 32) |
1431 ((u64)scsicmd->cmnd[6] << 24) |
1432 (scsicmd->cmnd[7] << 16) |
1433 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1434 count = (scsicmd->cmnd[10] << 24) |
1435 (scsicmd->cmnd[11] << 16) |
1436 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1437 break;
1438 case READ_12:
9e7c349c 1439 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 1440
1441 lba = ((u64)scsicmd->cmnd[2] << 24) |
1442 (scsicmd->cmnd[3] << 16) |
1443 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1444 count = (scsicmd->cmnd[6] << 24) |
1445 (scsicmd->cmnd[7] << 16) |
1446 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1447 break;
1448 default:
9e7c349c 1449 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 1450
7a8cf29d
MH		 1451 lba = ((u64)scsicmd->cmnd[2] << 24) |
1452 (scsicmd->cmnd[3] << 16) |
1453 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4 1454 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
7a8cf29d 1455 break;
1da177e4 1456 }
7a8cf29d 1457 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
7c00ffa3 1458 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 1459 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 1460 return 0;
1da177e4
LT		 1461 /*
1462 * Alocate and initialize a Fib
1463 */
bfb35aa8 1464 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4
LT		 1465 return -1;
1466 }
1467
e8f32de5 1468 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1da177e4
LT		 1469
1470 /*
1471 * Check that the command queued to the controller
1472 */
77d644d4
MH		 1473 if (status == -EINPROGRESS) {
1474 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 1475 return 0;
77d644d4 1476 }
1da177e4 1477
bfb35aa8 1478 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1da177e4
LT		 1479 /*
1480 * For some reason, the Fib didn't queue, return QUEUE_FULL
1481 */
1482 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 1483 scsicmd->scsi_done(scsicmd);
bfb35aa8
MH		 1484 aac_fib_complete(cmd_fibcontext);
1485 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1486 return 0;
1487}
1488
9e7c349c 1489static int aac_write(struct scsi_cmnd * scsicmd)
1da177e4 1490{
7a8cf29d 1491 u64 lba;
1da177e4
LT		 1492 u32 count;
1493 int status;
1da177e4
LT		 1494 struct aac_dev *dev;
1495 struct fib * cmd_fibcontext;
1496
1497 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1498 /*
1499 * Get block address and transfer length
1500 */
1501 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1502 {
1503 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1504 count = scsicmd->cmnd[4];
1505 if (count == 0)
1506 count = 256;
7a8cf29d 1507 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
9e7c349c 1508 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 1509
1510 lba = ((u64)scsicmd->cmnd[2] << 56) |
1511 ((u64)scsicmd->cmnd[3] << 48) |
1512 ((u64)scsicmd->cmnd[4] << 40) |
1513 ((u64)scsicmd->cmnd[5] << 32) |
1514 ((u64)scsicmd->cmnd[6] << 24) |
1515 (scsicmd->cmnd[7] << 16) |
1516 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1517 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1518 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1519 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
9e7c349c 1520 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 1521
1522 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1523 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1524 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1525 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1da177e4 1526 } else {
9e7c349c 1527 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 1528 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4
LT		 1529 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1530 }
7a8cf29d 1531 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1da177e4 1532 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 1533 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 1534 return 0;
1da177e4
LT		 1535 /*
1536 * Allocate and initialize a Fib then setup a BlockWrite command
1537 */
bfb35aa8 1538 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4 1539 scsicmd->result = DID_ERROR << 16;
8e0c5ebd 1540 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 1541 return 0;
1542 }
1da177e4 1543
e8f32de5 1544 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
1da177e4
LT		 1545
1546 /*
1547 * Check that the command queued to the controller
1548 */
77d644d4
MH		 1549 if (status == -EINPROGRESS) {
1550 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 1551 return 0;
1552 }
1553
bfb35aa8 1554 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1da177e4
LT		 1555 /*
1556 * For some reason, the Fib didn't queue, return QUEUE_FULL
1557 */
1558 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 1559 scsicmd->scsi_done(scsicmd);
1da177e4 1560
bfb35aa8
MH		 1561 aac_fib_complete(cmd_fibcontext);
1562 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1563 return 0;
1564}
1565
1566static void synchronize_callback(void *context, struct fib *fibptr)
1567{
1568 struct aac_synchronize_reply *synchronizereply;
1569 struct scsi_cmnd *cmd;
1570
1571 cmd = context;
1572
03d44337
MH		 1573 if (!aac_valid_context(cmd, fibptr))
1574 return;
1575
1da177e4
LT		 1576 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1577 smp_processor_id(), jiffies));
1578 BUG_ON(fibptr == NULL);
1579
1580
1581 synchronizereply = fib_data(fibptr);
1582 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1583 cmd->result = DID_OK << 16 |
1584 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1585 else {
1586 struct scsi_device *sdev = cmd->device;
1587 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
e5718774 1588 u32 cid = sdev_id(sdev);
1da177e4
LT		 1589 printk(KERN_WARNING
1590 "synchronize_callback: synchronize failed, status = %d\n",
1591 le32_to_cpu(synchronizereply->status));
1592 cmd->result = DID_OK << 16 |
1593 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1594 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1595 HARDWARE_ERROR,
1596 SENCODE_INTERNAL_TARGET_FAILURE,
1597 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1598 0, 0);
1599 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1600 min(sizeof(dev->fsa_dev[cid].sense_data),
1601 sizeof(cmd->sense_buffer)));
1602 }
1603
bfb35aa8
MH		 1604 aac_fib_complete(fibptr);
1605 aac_fib_free(fibptr);
8e0c5ebd 1606 cmd->scsi_done(cmd);
1da177e4
LT		 1607}
1608
9e7c349c 1609static int aac_synchronize(struct scsi_cmnd *scsicmd)
1da177e4
LT		 1610{
1611 int status;
1612 struct fib *cmd_fibcontext;
1613 struct aac_synchronize *synchronizecmd;
1614 struct scsi_cmnd *cmd;
1615 struct scsi_device *sdev = scsicmd->device;
1616 int active = 0;
90ee3466 1617 struct aac_dev *aac;
1da177e4
LT		 1618 unsigned long flags;
1619
1620 /*
77d644d4
MH		 1621 * Wait for all outstanding queued commands to complete to this
1622 * specific target (block).
1da177e4
LT		 1623 */
1624 spin_lock_irqsave(&sdev->list_lock, flags);
1625 list_for_each_entry(cmd, &sdev->cmd_list, list)
77d644d4 1626 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1da177e4
LT		 1627 ++active;
1628 break;
1629 }
1630
1631 spin_unlock_irqrestore(&sdev->list_lock, flags);
1632
1633 /*
1634 * Yield the processor (requeue for later)
1635 */
1636 if (active)
1637 return SCSI_MLQUEUE_DEVICE_BUSY;
1638
90ee3466 1639 aac = (struct aac_dev *)scsicmd->device->host->hostdata;
8c867b25
MH		 1640 if (aac->in_reset)
1641 return SCSI_MLQUEUE_HOST_BUSY;
1642
1da177e4 1643 /*
7c00ffa3 1644 * Allocate and initialize a Fib
1da177e4 1645 */
90ee3466 1646 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1da177e4
LT		 1647 return SCSI_MLQUEUE_HOST_BUSY;
1648
bfb35aa8 1649 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 1650
1651 synchronizecmd = fib_data(cmd_fibcontext);
1652 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1653 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
9e7c349c 1654 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 1655 synchronizecmd->count =
1656 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1657
1658 /*
1659 * Now send the Fib to the adapter
1660 */
bfb35aa8 1661 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 1662 cmd_fibcontext,
1663 sizeof(struct aac_synchronize),
1664 FsaNormal,
1665 0, 1,
1666 (fib_callback)synchronize_callback,
1667 (void *)scsicmd);
1668
1669 /*
1670 * Check that the command queued to the controller
1671 */
77d644d4
MH		 1672 if (status == -EINPROGRESS) {
1673 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 1674 return 0;
77d644d4 1675 }
1da177e4
LT		 1676
1677 printk(KERN_WARNING
bfb35aa8
MH		 1678 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1679 aac_fib_complete(cmd_fibcontext);
1680 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1681 return SCSI_MLQUEUE_HOST_BUSY;
1682}
1683
1684/**
1685 * aac_scsi_cmd() - Process SCSI command
1686 * @scsicmd: SCSI command block
1687 *
1688 * Emulate a SCSI command and queue the required request for the
1689 * aacraid firmware.
1690 */
1691
1692int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1693{
1694 u32 cid = 0;
1695 struct Scsi_Host *host = scsicmd->device->host;
1696 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1697 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1da177e4 1698
90ee3466
MH		 1699 if (fsa_dev_ptr == NULL)
1700 return -1;
1da177e4
LT		 1701 /*
1702 * If the bus, id or lun is out of range, return fail
1703 * Test does not apply to ID 16, the pseudo id for the controller
1704 * itself.
1705 */
422c0d61 1706 if (scmd_id(scsicmd) != host->this_id) {
e5718774
MH		 1707 if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
1708 if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
1709 (scsicmd->device->lun != 0)) {
1da177e4
LT		 1710 scsicmd->result = DID_NO_CONNECT << 16;
1711 scsicmd->scsi_done(scsicmd);
1712 return 0;
1713 }
e5718774 1714 cid = scmd_id(scsicmd);
1da177e4
LT		 1715
1716 /*
1717 * If the target container doesn't exist, it may have
1718 * been newly created
1719 */
1720 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1721 switch (scsicmd->cmnd[0]) {
7a8cf29d
MH		 1722 case SERVICE_ACTION_IN:
1723 if (!(dev->raw_io_interface) ||
1724 !(dev->raw_io_64) ||
1725 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1726 break;
1da177e4
LT		 1727 case INQUIRY:
1728 case READ_CAPACITY:
1729 case TEST_UNIT_READY:
8c867b25
MH		 1730 if (dev->in_reset)
1731 return -1;
fe76df42
MH		 1732 return _aac_probe_container(scsicmd,
1733 aac_probe_container_callback2);
1da177e4
LT		 1734 default:
1735 break;
1736 }
1737 }
1da177e4 1738 } else { /* check for physical non-dasd devices */
653ba58d 1739 if ((dev->nondasd_support == 1) || expose_physicals) {
8c867b25
MH		 1740 if (dev->in_reset)
1741 return -1;
1da177e4
LT		 1742 return aac_send_srb_fib(scsicmd);
1743 } else {
1744 scsicmd->result = DID_NO_CONNECT << 16;
1745 scsicmd->scsi_done(scsicmd);
1746 return 0;
1747 }
1748 }
1749 }
1750 /*
1751 * else Command for the controller itself
1752 */
1753 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
1754 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1755 {
1756 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1757 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1758 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1759 ILLEGAL_REQUEST,
1760 SENCODE_INVALID_COMMAND,
1761 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1762 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1763 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1764 ? sizeof(scsicmd->sense_buffer)
1765 : sizeof(dev->fsa_dev[cid].sense_data));
1766 scsicmd->scsi_done(scsicmd);
1767 return 0;
1768 }
1769
1770
1771 /* Handle commands here that don't really require going out to the adapter */
1772 switch (scsicmd->cmnd[0]) {
1773 case INQUIRY:
1774 {
3b2946cc 1775 struct inquiry_data inq_data;
1da177e4 1776
e5718774 1777 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
3b2946cc 1778 memset(&inq_data, 0, sizeof (struct inquiry_data));
1da177e4 1779
3b2946cc 1780 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
3b2946cc
MH		 1781 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 */
1782 inq_data.inqd_len = 31;
1da177e4 1783 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
3b2946cc 1784 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1da177e4
LT		 1785 /*
1786 * Set the Vendor, Product, and Revision Level
1787 * see: <vendor>.c i.e. aac.c
1788 */
422c0d61 1789 if (scmd_id(scsicmd) == host->this_id) {
6391a113 1790 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
3b2946cc
MH		 1791 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
1792 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1da177e4
LT		 1793 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1794 scsicmd->scsi_done(scsicmd);
1795 return 0;
1796 }
8c867b25
MH		 1797 if (dev->in_reset)
1798 return -1;
794d0601 1799 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
3b2946cc
MH		 1800 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
1801 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
9e7c349c 1802 return aac_get_container_name(scsicmd);
1da177e4 1803 }
7a8cf29d
MH		 1804 case SERVICE_ACTION_IN:
1805 if (!(dev->raw_io_interface) ||
1806 !(dev->raw_io_64) ||
1807 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1808 break;
1809 {
1810 u64 capacity;
07ce5eba 1811 char cp[13];
7a8cf29d
MH		 1812
1813 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1814 capacity = fsa_dev_ptr[cid].size - 1;
7a8cf29d
MH		 1815 cp[0] = (capacity >> 56) & 0xff;
1816 cp[1] = (capacity >> 48) & 0xff;
1817 cp[2] = (capacity >> 40) & 0xff;
1818 cp[3] = (capacity >> 32) & 0xff;
1819 cp[4] = (capacity >> 24) & 0xff;
1820 cp[5] = (capacity >> 16) & 0xff;
1821 cp[6] = (capacity >> 8) & 0xff;
1822 cp[7] = (capacity >> 0) & 0xff;
1823 cp[8] = 0;
1824 cp[9] = 0;
1825 cp[10] = 2;
1826 cp[11] = 0;
07ce5eba
MH		 1827 cp[12] = 0;
1828 aac_internal_transfer(scsicmd, cp, 0,
1241f359 1829 min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
07ce5eba
MH		 1830 if (sizeof(cp) < scsicmd->cmnd[13]) {
1831 unsigned int len, offset = sizeof(cp);
1832
1833 memset(cp, 0, offset);
1834 do {
1241f359
MH		 1835 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1836 sizeof(cp));
07ce5eba
MH		 1837 aac_internal_transfer(scsicmd, cp, offset, len);
1838 } while ((offset += len) < scsicmd->cmnd[13]);
1839 }
7a8cf29d
MH		 1840
1841 /* Do not cache partition table for arrays */
1842 scsicmd->device->removable = 1;
1843
1844 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1845 scsicmd->scsi_done(scsicmd);
1846
1847 return 0;
1848 }
1849
1da177e4
LT		 1850 case READ_CAPACITY:
1851 {
1852 u32 capacity;
3b2946cc 1853 char cp[8];
1da177e4
LT		 1854
1855 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
7a8cf29d 1856 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1da177e4
LT		 1857 capacity = fsa_dev_ptr[cid].size - 1;
1858 else
1859 capacity = (u32)-1;
3b2946cc 1860
1da177e4
LT		 1861 cp[0] = (capacity >> 24) & 0xff;
1862 cp[1] = (capacity >> 16) & 0xff;
1863 cp[2] = (capacity >> 8) & 0xff;
1864 cp[3] = (capacity >> 0) & 0xff;
1865 cp[4] = 0;
1866 cp[5] = 0;
1867 cp[6] = 2;
1868 cp[7] = 0;
3b2946cc 1869 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
7a8cf29d
MH		 1870 /* Do not cache partition table for arrays */
1871 scsicmd->device->removable = 1;
1da177e4
LT		 1872
1873 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1874 scsicmd->scsi_done(scsicmd);
1875
1876 return 0;
1877 }
1878
1879 case MODE_SENSE:
1880 {
3b2946cc 1881 char mode_buf[4];
1da177e4
LT		 1882
1883 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1da177e4
LT		 1884 mode_buf[0] = 3; /* Mode data length */
1885 mode_buf[1] = 0; /* Medium type - default */
1886 mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1887 mode_buf[3] = 0; /* Block descriptor length */
1888
3b2946cc 1889 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1da177e4
LT		 1890 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1891 scsicmd->scsi_done(scsicmd);
1892
1893 return 0;
1894 }
1895 case MODE_SENSE_10:
1896 {
3b2946cc 1897 char mode_buf[8];
1da177e4
LT		 1898
1899 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1da177e4
LT		 1900 mode_buf[0] = 0; /* Mode data length (MSB) */
1901 mode_buf[1] = 6; /* Mode data length (LSB) */
1902 mode_buf[2] = 0; /* Medium type - default */
1903 mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1904 mode_buf[4] = 0; /* reserved */
1905 mode_buf[5] = 0; /* reserved */
1906 mode_buf[6] = 0; /* Block descriptor length (MSB) */
1907 mode_buf[7] = 0; /* Block descriptor length (LSB) */
3b2946cc 1908 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1da177e4
LT		 1909
1910 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1911 scsicmd->scsi_done(scsicmd);
1912
1913 return 0;
1914 }
1915 case REQUEST_SENSE:
1916 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1917 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1918 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1919 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1920 scsicmd->scsi_done(scsicmd);
1921 return 0;
1922
1923 case ALLOW_MEDIUM_REMOVAL:
1924 dprintk((KERN_DEBUG "LOCK command.\n"));
1925 if (scsicmd->cmnd[4])
1926 fsa_dev_ptr[cid].locked = 1;
1927 else
1928 fsa_dev_ptr[cid].locked = 0;
1929
1930 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1931 scsicmd->scsi_done(scsicmd);
1932 return 0;
1933 /*
1934 * These commands are all No-Ops
1935 */
1936 case TEST_UNIT_READY:
1937 case RESERVE:
1938 case RELEASE:
1939 case REZERO_UNIT:
1940 case REASSIGN_BLOCKS:
1941 case SEEK_10:
1942 case START_STOP:
1943 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1944 scsicmd->scsi_done(scsicmd);
1945 return 0;
1946 }
1947
1948 switch (scsicmd->cmnd[0])
1949 {
1950 case READ_6:
1951 case READ_10:
7a8cf29d
MH		 1952 case READ_12:
1953 case READ_16:
8c867b25
MH		 1954 if (dev->in_reset)
1955 return -1;
1da177e4
LT		 1956 /*
1957 * Hack to keep track of ordinal number of the device that
1958 * corresponds to a container. Needed to convert
1959 * containers to /dev/sd device names
1960 */
1961
7a8cf29d
MH		 1962 if (scsicmd->request->rq_disk)
1963 strlcpy(fsa_dev_ptr[cid].devname,
1964 scsicmd->request->rq_disk->disk_name,
1965 min(sizeof(fsa_dev_ptr[cid].devname),
1966 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
77d644d4 1967
9e7c349c 1968 return aac_read(scsicmd);
1da177e4
LT		 1969
1970 case WRITE_6:
1971 case WRITE_10:
7a8cf29d
MH		 1972 case WRITE_12:
1973 case WRITE_16:
8c867b25
MH		 1974 if (dev->in_reset)
1975 return -1;
9e7c349c 1976 return aac_write(scsicmd);
1da177e4
LT		 1977
1978 case SYNCHRONIZE_CACHE:
1979 /* Issue FIB to tell Firmware to flush it's cache */
9e7c349c 1980 return aac_synchronize(scsicmd);
1da177e4
LT		 1981
1982 default:
1983 /*
1984 * Unhandled commands
1985 */
7c00ffa3 1986 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1da177e4
LT		 1987 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1988 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1989 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1990 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1991 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1992 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1993 ? sizeof(scsicmd->sense_buffer)
1994 : sizeof(dev->fsa_dev[cid].sense_data));
1995 scsicmd->scsi_done(scsicmd);
1996 return 0;
1997 }
1998}
1999
2000static int query_disk(struct aac_dev *dev, void __user *arg)
2001{
2002 struct aac_query_disk qd;
2003 struct fsa_dev_info *fsa_dev_ptr;
2004
2005 fsa_dev_ptr = dev->fsa_dev;
90ee3466 2006 if (!fsa_dev_ptr)
65101355 2007 return -EBUSY;
1da177e4
LT		 2008 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2009 return -EFAULT;
2010 if (qd.cnum == -1)
e5718774 2011 qd.cnum = qd.id;
1da177e4
LT		 2012 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2013 {
2014 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2015 return -EINVAL;
2016 qd.instance = dev->scsi_host_ptr->host_no;
2017 qd.bus = 0;
2018 qd.id = CONTAINER_TO_ID(qd.cnum);
2019 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2020 }
2021 else return -EINVAL;
2022
2023 qd.valid = fsa_dev_ptr[qd.cnum].valid;
2024 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2025 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2026
2027 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2028 qd.unmapped = 1;
2029 else
2030 qd.unmapped = 0;
2031
2032 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2033 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2034
2035 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2036 return -EFAULT;
2037 return 0;
2038}
2039
2040static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2041{
2042 struct aac_delete_disk dd;
2043 struct fsa_dev_info *fsa_dev_ptr;
2044
2045 fsa_dev_ptr = dev->fsa_dev;
65101355
MH		 2046 if (!fsa_dev_ptr)
2047 return -EBUSY;
1da177e4
LT		 2048
2049 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2050 return -EFAULT;
2051
2052 if (dd.cnum >= dev->maximum_num_containers)
2053 return -EINVAL;
2054 /*
2055 * Mark this container as being deleted.
2056 */
2057 fsa_dev_ptr[dd.cnum].deleted = 1;
2058 /*
2059 * Mark the container as no longer valid
2060 */
2061 fsa_dev_ptr[dd.cnum].valid = 0;
2062 return 0;
2063}
2064
2065static int delete_disk(struct aac_dev *dev, void __user *arg)
2066{
2067 struct aac_delete_disk dd;
2068 struct fsa_dev_info *fsa_dev_ptr;
2069
2070 fsa_dev_ptr = dev->fsa_dev;
90ee3466 2071 if (!fsa_dev_ptr)
65101355 2072 return -EBUSY;
1da177e4
LT		 2073
2074 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2075 return -EFAULT;
2076
2077 if (dd.cnum >= dev->maximum_num_containers)
2078 return -EINVAL;
2079 /*
2080 * If the container is locked, it can not be deleted by the API.
2081 */
2082 if (fsa_dev_ptr[dd.cnum].locked)
2083 return -EBUSY;
2084 else {
2085 /*
2086 * Mark the container as no longer being valid.
2087 */
2088 fsa_dev_ptr[dd.cnum].valid = 0;
2089 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2090 return 0;
2091 }
2092}
2093
2094int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2095{
2096 switch (cmd) {
2097 case FSACTL_QUERY_DISK:
2098 return query_disk(dev, arg);
2099 case FSACTL_DELETE_DISK:
2100 return delete_disk(dev, arg);
2101 case FSACTL_FORCE_DELETE_DISK:
2102 return force_delete_disk(dev, arg);
2103 case FSACTL_GET_CONTAINERS:
2104 return aac_get_containers(dev);
2105 default:
2106 return -ENOTTY;
2107 }
2108}
2109
2110/**
2111 *
2112 * aac_srb_callback
2113 * @context: the context set in the fib - here it is scsi cmd
2114 * @fibptr: pointer to the fib
2115 *
2116 * Handles the completion of a scsi command to a non dasd device
2117 *
2118 */
2119
2120static void aac_srb_callback(void *context, struct fib * fibptr)
2121{
2122 struct aac_dev *dev;
2123 struct aac_srb_reply *srbreply;
2124 struct scsi_cmnd *scsicmd;
2125
2126 scsicmd = (struct scsi_cmnd *) context;
03d44337
MH		 2127
2128 if (!aac_valid_context(scsicmd, fibptr))
2129 return;
2130
1da177e4
LT		 2131 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2132
125e1874 2133 BUG_ON(fibptr == NULL);
1da177e4
LT		 2134
2135 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2136
2137 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2138 /*
2139 * Calculate resid for sg
2140 */
2141
2142 scsicmd->resid = scsicmd->request_bufflen -
2143 le32_to_cpu(srbreply->data_xfer_length);
2144
2145 if(scsicmd->use_sg)
2146 pci_unmap_sg(dev->pdev,
5d5ff44f 2147 (struct scatterlist *)scsicmd->request_buffer,
1da177e4
LT		 2148 scsicmd->use_sg,
2149 scsicmd->sc_data_direction);
2150 else if(scsicmd->request_bufflen)
2151 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
2152 scsicmd->sc_data_direction);
2153
2154 /*
2155 * First check the fib status
2156 */
2157
2158 if (le32_to_cpu(srbreply->status) != ST_OK){
2159 int len;
2160 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2161 len = (le32_to_cpu(srbreply->sense_data_size) >
2162 sizeof(scsicmd->sense_buffer)) ?
2163 sizeof(scsicmd->sense_buffer) :
2164 le32_to_cpu(srbreply->sense_data_size);
2165 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2166 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2167 }
2168
2169 /*
2170 * Next check the srb status
2171 */
2172 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2173 case SRB_STATUS_ERROR_RECOVERY:
2174 case SRB_STATUS_PENDING:
2175 case SRB_STATUS_SUCCESS:
bb08f92e 2176 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1da177e4
LT		 2177 break;
2178 case SRB_STATUS_DATA_OVERRUN:
2179 switch(scsicmd->cmnd[0]){
2180 case READ_6:
2181 case WRITE_6:
2182 case READ_10:
2183 case WRITE_10:
2184 case READ_12:
2185 case WRITE_12:
7a8cf29d
MH		 2186 case READ_16:
2187 case WRITE_16:
1da177e4
LT		 2188 if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2189 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2190 } else {
2191 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2192 }
2193 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2194 break;
2195 case INQUIRY: {
bb08f92e 2196 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1da177e4
LT		 2197 break;
2198 }
2199 default:
2200 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2201 break;
2202 }
2203 break;
2204 case SRB_STATUS_ABORTED:
2205 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2206 break;
2207 case SRB_STATUS_ABORT_FAILED:
2208 // Not sure about this one - but assuming the hba was trying to abort for some reason
2209 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2210 break;
2211 case SRB_STATUS_PARITY_ERROR:
2212 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2213 break;
2214 case SRB_STATUS_NO_DEVICE:
2215 case SRB_STATUS_INVALID_PATH_ID:
2216 case SRB_STATUS_INVALID_TARGET_ID:
2217 case SRB_STATUS_INVALID_LUN:
2218 case SRB_STATUS_SELECTION_TIMEOUT:
2219 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2220 break;
2221
2222 case SRB_STATUS_COMMAND_TIMEOUT:
2223 case SRB_STATUS_TIMEOUT:
2224 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2225 break;
2226
2227 case SRB_STATUS_BUSY:
2228 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2229 break;
2230
2231 case SRB_STATUS_BUS_RESET:
2232 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2233 break;
2234
2235 case SRB_STATUS_MESSAGE_REJECTED:
2236 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2237 break;
2238 case SRB_STATUS_REQUEST_FLUSHED:
2239 case SRB_STATUS_ERROR:
2240 case SRB_STATUS_INVALID_REQUEST:
2241 case SRB_STATUS_REQUEST_SENSE_FAILED:
2242 case SRB_STATUS_NO_HBA:
2243 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2244 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2245 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2246 case SRB_STATUS_DELAYED_RETRY:
2247 case SRB_STATUS_BAD_FUNCTION:
2248 case SRB_STATUS_NOT_STARTED:
2249 case SRB_STATUS_NOT_IN_USE:
2250 case SRB_STATUS_FORCE_ABORT:
2251 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2252 default:
2253#ifdef AAC_DETAILED_STATUS_INFO
2254 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2255 le32_to_cpu(srbreply->srb_status) & 0x3F,
2256 aac_get_status_string(
2257 le32_to_cpu(srbreply->srb_status) & 0x3F),
2258 scsicmd->cmnd[0],
2259 le32_to_cpu(srbreply->scsi_status));
2260#endif
2261 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2262 break;
2263 }
2264 if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
2265 int len;
2266 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2267 len = (le32_to_cpu(srbreply->sense_data_size) >
2268 sizeof(scsicmd->sense_buffer)) ?
2269 sizeof(scsicmd->sense_buffer) :
2270 le32_to_cpu(srbreply->sense_data_size);
2271#ifdef AAC_DETAILED_STATUS_INFO
7a8cf29d
MH		 2272 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2273 le32_to_cpu(srbreply->status), len);
1da177e4
LT		 2274#endif
2275 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2276
2277 }
2278 /*
2279 * OR in the scsi status (already shifted up a bit)
2280 */
2281 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2282
bfb35aa8
MH		 2283 aac_fib_complete(fibptr);
2284 aac_fib_free(fibptr);
8e0c5ebd 2285 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 2286}
2287
2288/**
2289 *
2290 * aac_send_scb_fib
2291 * @scsicmd: the scsi command block
2292 *
2293 * This routine will form a FIB and fill in the aac_srb from the
2294 * scsicmd passed in.
2295 */
2296
2297static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2298{
2299 struct fib* cmd_fibcontext;
2300 struct aac_dev* dev;
2301 int status;
1da177e4 2302
84971738 2303 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
e5718774 2304 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
84971738 2305 scsicmd->device->lun > 7) {
1da177e4
LT		 2306 scsicmd->result = DID_NO_CONNECT << 16;
2307 scsicmd->scsi_done(scsicmd);
2308 return 0;
2309 }
2310
1da177e4
LT		 2311 /*
2312 * Allocate and initialize a Fib then setup a BlockWrite command
2313 */
bfb35aa8 2314 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4
LT		 2315 return -1;
2316 }
e8f32de5 2317 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
1da177e4 2318
1da177e4
LT		 2319 /*
2320 * Check that the command queued to the controller
2321 */
77d644d4
MH		 2322 if (status == -EINPROGRESS) {
2323 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 2324 return 0;
2325 }
2326
bfb35aa8
MH		 2327 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2328 aac_fib_complete(cmd_fibcontext);
2329 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 2330
2331 return -1;
2332}
2333
2334static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2335{
2336 struct aac_dev *dev;
2337 unsigned long byte_count = 0;
2338
2339 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2340 // Get rid of old data
2341 psg->count = 0;
2342 psg->sg[0].addr = 0;
2343 psg->sg[0].count = 0;
2344 if (scsicmd->use_sg) {
2345 struct scatterlist *sg;
2346 int i;
2347 int sg_count;
2348 sg = (struct scatterlist *) scsicmd->request_buffer;
2349
2350 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2351 scsicmd->sc_data_direction);
2352 psg->count = cpu_to_le32(sg_count);
2353
1da177e4
LT		 2354 for (i = 0; i < sg_count; i++) {
2355 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2356 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2357 byte_count += sg_dma_len(sg);
2358 sg++;
2359 }
2360 /* hba wants the size to be exact */
2361 if(byte_count > scsicmd->request_bufflen){
56b58712
MH		 2362 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2363 (byte_count - scsicmd->request_bufflen);
2364 psg->sg[i-1].count = cpu_to_le32(temp);
1da177e4
LT		 2365 byte_count = scsicmd->request_bufflen;
2366 }
2367 /* Check for command underflow */
2368 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2369 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2370 byte_count, scsicmd->underflow);
2371 }
2372 }
2373 else if(scsicmd->request_bufflen) {
3c1e0cca
MH		 2374 u32 addr;
2375 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
1da177e4
LT		 2376 scsicmd->request_buffer,
2377 scsicmd->request_bufflen,
2378 scsicmd->sc_data_direction);
3c1e0cca 2379 addr = scsicmd->SCp.dma_handle;
1da177e4
LT		 2380 psg->count = cpu_to_le32(1);
2381 psg->sg[0].addr = cpu_to_le32(addr);
2382 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
1da177e4
LT		 2383 byte_count = scsicmd->request_bufflen;
2384 }
2385 return byte_count;
2386}
2387
2388
2389static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2390{
2391 struct aac_dev *dev;
2392 unsigned long byte_count = 0;
56b58712 2393 u64 addr;
1da177e4
LT		 2394
2395 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2396 // Get rid of old data
2397 psg->count = 0;
2398 psg->sg[0].addr[0] = 0;
2399 psg->sg[0].addr[1] = 0;
2400 psg->sg[0].count = 0;
2401 if (scsicmd->use_sg) {
2402 struct scatterlist *sg;
2403 int i;
2404 int sg_count;
2405 sg = (struct scatterlist *) scsicmd->request_buffer;
2406
2407 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2408 scsicmd->sc_data_direction);
1da177e4
LT		 2409
2410 for (i = 0; i < sg_count; i++) {
1241f359 2411 int count = sg_dma_len(sg);
56b58712
MH		 2412 addr = sg_dma_address(sg);
2413 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2414 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
1241f359
MH		 2415 psg->sg[i].count = cpu_to_le32(count);
2416 byte_count += count;
1da177e4
LT		 2417 sg++;
2418 }
1241f359 2419 psg->count = cpu_to_le32(sg_count);
1da177e4
LT		 2420 /* hba wants the size to be exact */
2421 if(byte_count > scsicmd->request_bufflen){
56b58712
MH		 2422 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2423 (byte_count - scsicmd->request_bufflen);
2424 psg->sg[i-1].count = cpu_to_le32(temp);
1da177e4
LT		 2425 byte_count = scsicmd->request_bufflen;
2426 }
2427 /* Check for command underflow */
2428 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2429 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2430 byte_count, scsicmd->underflow);
2431 }
2432 }
2433 else if(scsicmd->request_bufflen) {
1241f359 2434 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
1da177e4
LT		 2435 scsicmd->request_buffer,
2436 scsicmd->request_bufflen,
2437 scsicmd->sc_data_direction);
1241f359 2438 addr = scsicmd->SCp.dma_handle;
1da177e4 2439 psg->count = cpu_to_le32(1);
56b58712
MH		 2440 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2441 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
1da177e4 2442 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
1da177e4
LT		 2443 byte_count = scsicmd->request_bufflen;
2444 }
2445 return byte_count;
2446}
2447
0e68c003
MH		 2448static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2449{
2450 struct Scsi_Host *host = scsicmd->device->host;
2451 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2452 unsigned long byte_count = 0;
2453
2454 // Get rid of old data
2455 psg->count = 0;
2456 psg->sg[0].next = 0;
2457 psg->sg[0].prev = 0;
2458 psg->sg[0].addr[0] = 0;
2459 psg->sg[0].addr[1] = 0;
2460 psg->sg[0].count = 0;
2461 psg->sg[0].flags = 0;
2462 if (scsicmd->use_sg) {
2463 struct scatterlist *sg;
2464 int i;
2465 int sg_count;
2466 sg = (struct scatterlist *) scsicmd->request_buffer;
2467
2468 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2469 scsicmd->sc_data_direction);
2470
2471 for (i = 0; i < sg_count; i++) {
2472 int count = sg_dma_len(sg);
2473 u64 addr = sg_dma_address(sg);
2474 psg->sg[i].next = 0;
2475 psg->sg[i].prev = 0;
2476 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2477 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2478 psg->sg[i].count = cpu_to_le32(count);
2479 psg->sg[i].flags = 0;
2480 byte_count += count;
2481 sg++;
2482 }
2483 psg->count = cpu_to_le32(sg_count);
2484 /* hba wants the size to be exact */
2485 if(byte_count > scsicmd->request_bufflen){
2486 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2487 (byte_count - scsicmd->request_bufflen);
2488 psg->sg[i-1].count = cpu_to_le32(temp);
2489 byte_count = scsicmd->request_bufflen;
2490 }
2491 /* Check for command underflow */
2492 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2493 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2494 byte_count, scsicmd->underflow);
2495 }
2496 }
2497 else if(scsicmd->request_bufflen) {
2498 int count;
2499 u64 addr;
2500 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2501 scsicmd->request_buffer,
2502 scsicmd->request_bufflen,
2503 scsicmd->sc_data_direction);
2504 addr = scsicmd->SCp.dma_handle;
2505 count = scsicmd->request_bufflen;
2506 psg->count = cpu_to_le32(1);
2507 psg->sg[0].next = 0;
2508 psg->sg[0].prev = 0;
2509 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2510 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2511 psg->sg[0].count = cpu_to_le32(count);
2512 psg->sg[0].flags = 0;
2513 byte_count = scsicmd->request_bufflen;
2514 }
2515 return byte_count;
2516}
2517
1da177e4
LT		 2518#ifdef AAC_DETAILED_STATUS_INFO
2519
2520struct aac_srb_status_info {
2521 u32 status;
2522 char *str;
2523};
2524
2525
2526static struct aac_srb_status_info srb_status_info[] = {
2527 { SRB_STATUS_PENDING, "Pending Status"},
2528 { SRB_STATUS_SUCCESS, "Success"},
2529 { SRB_STATUS_ABORTED, "Aborted Command"},
2530 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
6391a113 2531 { SRB_STATUS_ERROR, "Error Event"},
1da177e4
LT		 2532 { SRB_STATUS_BUSY, "Device Busy"},
2533 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2534 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2535 { SRB_STATUS_NO_DEVICE, "No Device"},
2536 { SRB_STATUS_TIMEOUT, "Timeout"},
2537 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2538 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2539 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2540 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2541 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2542 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2543 { SRB_STATUS_NO_HBA, "No HBA"},
2544 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2545 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2546 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2547 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2548 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2549 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
6391a113 2550 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
1da177e4
LT		 2551 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2552 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2553 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2554 { SRB_STATUS_NOT_STARTED, "Not Started"},
2555 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2556 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2557 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2558 { 0xff, "Unknown Error"}
2559};
2560
2561char *aac_get_status_string(u32 status)
2562{
2563 int i;
2564
6391a113
TK		 2565 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2566 if (srb_status_info[i].status == status)
1da177e4 2567 return srb_status_info[i].str;
1da177e4
LT		 2568
2569 return "Bad Status Code";
2570}
2571
2572#endif
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