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[SCSI] aacraid: New products patch
[GitHub/mt8127/android_kernel_alcatel_ttab.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 *
8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
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>
29#include <linux/sched.h>
30#include <linux/pci.h>
31#include <linux/spinlock.h>
32#include <linux/slab.h>
33#include <linux/completion.h>
34#include <linux/blkdev.h>
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);
136static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
137#ifdef AAC_DETAILED_STATUS_INFO
138static char *aac_get_status_string(u32 status);
139#endif
140
141/*
142 * Non dasd selection is handled entirely in aachba now
143 */
144
145static int nondasd = -1;
146static int dacmode = -1;
147
148static int commit = -1;
149
150module_param(nondasd, int, 0);
151MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
152module_param(dacmode, int, 0);
153MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
154module_param(commit, int, 0);
155MODULE_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");
156
7c00ffa3
MH		 157int numacb = -1;
158module_param(numacb, int, S_IRUGO|S_IWUSR);
159MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid\nvalues are 512 and down. Default is to use suggestion from Firmware.");
160
161int acbsize = -1;
162module_param(acbsize, int, S_IRUGO|S_IWUSR);
163MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512,\n2048, 4096 and 8192. Default is to use suggestion from Firmware.");
1da177e4
LT		 164/**
165 * aac_get_config_status - check the adapter configuration
166 * @common: adapter to query
167 *
168 * Query config status, and commit the configuration if needed.
169 */
170int aac_get_config_status(struct aac_dev *dev)
171{
172 int status = 0;
173 struct fib * fibptr;
174
175 if (!(fibptr = fib_alloc(dev)))
176 return -ENOMEM;
177
178 fib_init(fibptr);
179 {
180 struct aac_get_config_status *dinfo;
181 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
182
183 dinfo->command = cpu_to_le32(VM_ContainerConfig);
184 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
185 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
186 }
187
188 status = fib_send(ContainerCommand,
189 fibptr,
190 sizeof (struct aac_get_config_status),
191 FsaNormal,
192 1, 1,
193 NULL, NULL);
194 if (status < 0 ) {
195 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
196 } else {
197 struct aac_get_config_status_resp *reply
198 = (struct aac_get_config_status_resp *) fib_data(fibptr);
199 dprintk((KERN_WARNING
200 "aac_get_config_status: response=%d status=%d action=%d\n",
201 le32_to_cpu(reply->response),
202 le32_to_cpu(reply->status),
203 le32_to_cpu(reply->data.action)));
204 if ((le32_to_cpu(reply->response) != ST_OK) ||
205 (le32_to_cpu(reply->status) != CT_OK) ||
206 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
207 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
208 status = -EINVAL;
209 }
210 }
211 fib_complete(fibptr);
212 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
213 if (status >= 0) {
214 if (commit == 1) {
215 struct aac_commit_config * dinfo;
216 fib_init(fibptr);
217 dinfo = (struct aac_commit_config *) fib_data(fibptr);
218
219 dinfo->command = cpu_to_le32(VM_ContainerConfig);
220 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
221
222 status = fib_send(ContainerCommand,
223 fibptr,
224 sizeof (struct aac_commit_config),
225 FsaNormal,
226 1, 1,
227 NULL, NULL);
228 fib_complete(fibptr);
229 } else if (commit == 0) {
230 printk(KERN_WARNING
231 "aac_get_config_status: Foreign device configurations are being ignored\n");
232 }
233 }
234 fib_free(fibptr);
235 return status;
236}
237
238/**
239 * aac_get_containers - list containers
240 * @common: adapter to probe
241 *
242 * Make a list of all containers on this controller
243 */
244int aac_get_containers(struct aac_dev *dev)
245{
246 struct fsa_dev_info *fsa_dev_ptr;
247 u32 index;
248 int status = 0;
249 struct fib * fibptr;
250 unsigned instance;
251 struct aac_get_container_count *dinfo;
252 struct aac_get_container_count_resp *dresp;
253 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
254
255 instance = dev->scsi_host_ptr->unique_id;
256
257 if (!(fibptr = fib_alloc(dev)))
258 return -ENOMEM;
259
260 fib_init(fibptr);
261 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
262 dinfo->command = cpu_to_le32(VM_ContainerConfig);
263 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
264
265 status = fib_send(ContainerCommand,
266 fibptr,
267 sizeof (struct aac_get_container_count),
268 FsaNormal,
269 1, 1,
270 NULL, NULL);
271 if (status >= 0) {
272 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
273 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
274 fib_complete(fibptr);
275 }
276
277 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
278 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
1da177e4
LT		 279 fsa_dev_ptr = (struct fsa_dev_info *) kmalloc(
280 sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL);
281 if (!fsa_dev_ptr) {
282 fib_free(fibptr);
283 return -ENOMEM;
284 }
285 memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
286
287 dev->fsa_dev = fsa_dev_ptr;
288 dev->maximum_num_containers = maximum_num_containers;
289
290 for (index = 0; index < dev->maximum_num_containers; index++) {
291 struct aac_query_mount *dinfo;
292 struct aac_mount *dresp;
293
294 fsa_dev_ptr[index].devname[0] = '\0';
295
296 fib_init(fibptr);
297 dinfo = (struct aac_query_mount *) fib_data(fibptr);
298
299 dinfo->command = cpu_to_le32(VM_NameServe);
300 dinfo->count = cpu_to_le32(index);
301 dinfo->type = cpu_to_le32(FT_FILESYS);
302
303 status = fib_send(ContainerCommand,
304 fibptr,
305 sizeof (struct aac_query_mount),
306 FsaNormal,
307 1, 1,
308 NULL, NULL);
309 if (status < 0 ) {
310 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
311 break;
312 }
313 dresp = (struct aac_mount *)fib_data(fibptr);
314
315 dprintk ((KERN_DEBUG
316 "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n",
317 (int)index, (int)le32_to_cpu(dresp->status),
318 (int)le32_to_cpu(dresp->mnt[0].vol),
319 (int)le32_to_cpu(dresp->mnt[0].state),
320 (unsigned)le32_to_cpu(dresp->mnt[0].capacity)));
321 if ((le32_to_cpu(dresp->status) == ST_OK) &&
322 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
323 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
324 fsa_dev_ptr[index].valid = 1;
325 fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol);
326 fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity);
327 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
328 fsa_dev_ptr[index].ro = 1;
329 }
330 fib_complete(fibptr);
331 /*
332 * If there are no more containers, then stop asking.
333 */
334 if ((index + 1) >= le32_to_cpu(dresp->count)){
335 break;
336 }
337 }
338 fib_free(fibptr);
339 return status;
340}
341
342static void aac_io_done(struct scsi_cmnd * scsicmd)
343{
344 unsigned long cpu_flags;
345 struct Scsi_Host *host = scsicmd->device->host;
346 spin_lock_irqsave(host->host_lock, cpu_flags);
347 scsicmd->scsi_done(scsicmd);
348 spin_unlock_irqrestore(host->host_lock, cpu_flags);
349}
350
351static void get_container_name_callback(void *context, struct fib * fibptr)
352{
353 struct aac_get_name_resp * get_name_reply;
354 struct scsi_cmnd * scsicmd;
355
356 scsicmd = (struct scsi_cmnd *) context;
357
358 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
359 if (fibptr == NULL)
360 BUG();
361
362 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
363 /* Failure is irrelevant, using default value instead */
364 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
365 && (get_name_reply->data[0] != '\0')) {
366 int count;
367 char * dp;
368 char * sp = get_name_reply->data;
369 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
370 while (*sp == ' ')
371 ++sp;
372 count = sizeof(((struct inquiry_data *)NULL)->inqd_pid);
373 dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid;
374 if (*sp) do {
375 *dp++ = (*sp) ? *sp++ : ' ';
376 } while (--count > 0);
377 }
378 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
379
380 fib_complete(fibptr);
381 fib_free(fibptr);
382 aac_io_done(scsicmd);
383}
384
385/**
386 * aac_get_container_name - get container name, none blocking.
387 */
388static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid)
389{
390 int status;
391 struct aac_get_name *dinfo;
392 struct fib * cmd_fibcontext;
393 struct aac_dev * dev;
394
395 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
396
397 if (!(cmd_fibcontext = fib_alloc(dev)))
398 return -ENOMEM;
399
400 fib_init(cmd_fibcontext);
401 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
402
403 dinfo->command = cpu_to_le32(VM_ContainerConfig);
404 dinfo->type = cpu_to_le32(CT_READ_NAME);
405 dinfo->cid = cpu_to_le32(cid);
406 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
407
408 status = fib_send(ContainerCommand,
409 cmd_fibcontext,
410 sizeof (struct aac_get_name),
411 FsaNormal,
412 0, 1,
413 (fib_callback) get_container_name_callback,
414 (void *) scsicmd);
415
416 /*
417 * Check that the command queued to the controller
418 */
419 if (status == -EINPROGRESS)
420 return 0;
421
422 printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status);
423 fib_complete(cmd_fibcontext);
424 fib_free(cmd_fibcontext);
425 return -1;
426}
427
428/**
429 * probe_container - query a logical volume
430 * @dev: device to query
431 * @cid: container identifier
432 *
433 * Queries the controller about the given volume. The volume information
434 * is updated in the struct fsa_dev_info structure rather than returned.
435 */
436
437static int probe_container(struct aac_dev *dev, int cid)
438{
439 struct fsa_dev_info *fsa_dev_ptr;
440 int status;
441 struct aac_query_mount *dinfo;
442 struct aac_mount *dresp;
443 struct fib * fibptr;
444 unsigned instance;
445
446 fsa_dev_ptr = dev->fsa_dev;
447 instance = dev->scsi_host_ptr->unique_id;
448
449 if (!(fibptr = fib_alloc(dev)))
450 return -ENOMEM;
451
452 fib_init(fibptr);
453
454 dinfo = (struct aac_query_mount *)fib_data(fibptr);
455
456 dinfo->command = cpu_to_le32(VM_NameServe);
457 dinfo->count = cpu_to_le32(cid);
458 dinfo->type = cpu_to_le32(FT_FILESYS);
459
460 status = fib_send(ContainerCommand,
461 fibptr,
462 sizeof(struct aac_query_mount),
463 FsaNormal,
464 1, 1,
465 NULL, NULL);
466 if (status < 0) {
7c00ffa3 467 printk(KERN_WARNING "aacraid: probe_container query failed.\n");
1da177e4
LT		 468 goto error;
469 }
470
471 dresp = (struct aac_mount *) fib_data(fibptr);
472
473 if ((le32_to_cpu(dresp->status) == ST_OK) &&
474 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
475 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
476 fsa_dev_ptr[cid].valid = 1;
477 fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
478 fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity);
479 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
480 fsa_dev_ptr[cid].ro = 1;
481 }
482
483error:
484 fib_complete(fibptr);
485 fib_free(fibptr);
486
487 return status;
488}
489
490/* Local Structure to set SCSI inquiry data strings */
491struct scsi_inq {
492 char vid[8]; /* Vendor ID */
493 char pid[16]; /* Product ID */
494 char prl[4]; /* Product Revision Level */
495};
496
497/**
498 * InqStrCopy - string merge
499 * @a: string to copy from
500 * @b: string to copy to
501 *
502 * Copy a String from one location to another
503 * without copying \0
504 */
505
506static void inqstrcpy(char *a, char *b)
507{
508
509 while(*a != (char)0)
510 *b++ = *a++;
511}
512
513static char *container_types[] = {
514 "None",
515 "Volume",
516 "Mirror",
517 "Stripe",
518 "RAID5",
519 "SSRW",
520 "SSRO",
521 "Morph",
522 "Legacy",
523 "RAID4",
524 "RAID10",
525 "RAID00",
526 "V-MIRRORS",
527 "PSEUDO R4",
528 "RAID50",
84971738
MH		 529 "RAID5D",
530 "RAID5D0",
531 "RAID1E",
532 "RAID6",
533 "RAID60",
1da177e4
LT		 534 "Unknown"
535};
536
537
538
539/* Function: setinqstr
540 *
541 * Arguments: [1] pointer to void [1] int
542 *
543 * Purpose: Sets SCSI inquiry data strings for vendor, product
544 * and revision level. Allows strings to be set in platform dependant
545 * files instead of in OS dependant driver source.
546 */
547
548static void setinqstr(int devtype, void *data, int tindex)
549{
550 struct scsi_inq *str;
551 struct aac_driver_ident *mp;
552
553 mp = aac_get_driver_ident(devtype);
554
555 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
556
557 inqstrcpy (mp->vname, str->vid);
558 inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */
559
560 if (tindex < (sizeof(container_types)/sizeof(char *))){
561 char *findit = str->pid;
562
563 for ( ; *findit != ' '; findit++); /* walk till we find a space */
564 /* RAID is superfluous in the context of a RAID device */
565 if (memcmp(findit-4, "RAID", 4) == 0)
566 *(findit -= 4) = ' ';
567 inqstrcpy (container_types[tindex], findit + 1);
568 }
569 inqstrcpy ("V1.0", str->prl);
570}
571
4833869e
AB		 572static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
573 u8 a_sense_code, u8 incorrect_length,
574 u8 bit_pointer, u16 field_pointer,
575 u32 residue)
1da177e4
LT		 576{
577 sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
578 sense_buf[1] = 0; /* Segment number, always zero */
579
580 if (incorrect_length) {
581 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
582 sense_buf[3] = BYTE3(residue);
583 sense_buf[4] = BYTE2(residue);
584 sense_buf[5] = BYTE1(residue);
585 sense_buf[6] = BYTE0(residue);
586 } else
587 sense_buf[2] = sense_key; /* Sense key */
588
589 if (sense_key == ILLEGAL_REQUEST)
590 sense_buf[7] = 10; /* Additional sense length */
591 else
592 sense_buf[7] = 6; /* Additional sense length */
593
594 sense_buf[12] = sense_code; /* Additional sense code */
595 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
596 if (sense_key == ILLEGAL_REQUEST) {
597 sense_buf[15] = 0;
598
599 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
600 sense_buf[15] = 0x80;/* Std sense key specific field */
601 /* Illegal parameter is in the parameter block */
602
603 if (sense_code == SENCODE_INVALID_CDB_FIELD)
604 sense_buf[15] = 0xc0;/* Std sense key specific field */
605 /* Illegal parameter is in the CDB block */
606 sense_buf[15] |= bit_pointer;
607 sense_buf[16] = field_pointer >> 8; /* MSB */
608 sense_buf[17] = field_pointer; /* LSB */
609 }
610}
611
612int aac_get_adapter_info(struct aac_dev* dev)
613{
614 struct fib* fibptr;
1da177e4
LT		 615 int rcode;
616 u32 tmp;
84971738
MH		 617 struct aac_adapter_info *info;
618 struct aac_bus_info *command;
619 struct aac_bus_info_response *bus_info;
7c00ffa3 620
1da177e4
LT		 621 if (!(fibptr = fib_alloc(dev)))
622 return -ENOMEM;
623
624 fib_init(fibptr);
7c00ffa3
MH		 625 info = (struct aac_adapter_info *) fib_data(fibptr);
626 memset(info,0,sizeof(*info));
1da177e4
LT		 627
628 rcode = fib_send(RequestAdapterInfo,
7c00ffa3
MH		 629 fibptr,
630 sizeof(*info),
631 FsaNormal,
632 1, 1,
633 NULL,
634 NULL);
635
636 if (rcode < 0) {
637 fib_complete(fibptr);
638 fib_free(fibptr);
639 return rcode;
640 }
641 memcpy(&dev->adapter_info, info, sizeof(*info));
1da177e4 642
7c00ffa3
MH		 643 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
644 struct aac_supplement_adapter_info * info;
645
646 fib_init(fibptr);
647
648 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
649
650 memset(info,0,sizeof(*info));
651
652 rcode = fib_send(RequestSupplementAdapterInfo,
653 fibptr,
654 sizeof(*info),
655 FsaNormal,
656 1, 1,
657 NULL,
658 NULL);
659
660 if (rcode >= 0)
661 memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
662 }
1da177e4 663
84971738
MH		 664
665 /*
666 * GetBusInfo
667 */
668
669 fib_init(fibptr);
670
671 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
672
673 memset(bus_info, 0, sizeof(*bus_info));
674
675 command = (struct aac_bus_info *)bus_info;
676
677 command->Command = cpu_to_le32(VM_Ioctl);
678 command->ObjType = cpu_to_le32(FT_DRIVE);
679 command->MethodId = cpu_to_le32(1);
680 command->CtlCmd = cpu_to_le32(GetBusInfo);
681
682 rcode = fib_send(ContainerCommand,
683 fibptr,
684 sizeof (*bus_info),
685 FsaNormal,
686 1, 1,
687 NULL, NULL);
688
689 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
690 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
691 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
692 }
693
1da177e4 694 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
7c00ffa3 695 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1da177e4
LT		 696 dev->name,
697 dev->id,
698 tmp>>24,
699 (tmp>>16)&0xff,
700 tmp&0xff,
7c00ffa3
MH		 701 le32_to_cpu(dev->adapter_info.kernelbuild),
702 (int)sizeof(dev->supplement_adapter_info.BuildDate),
703 dev->supplement_adapter_info.BuildDate);
1da177e4
LT		 704 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
705 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
706 dev->name, dev->id,
707 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
708 le32_to_cpu(dev->adapter_info.monitorbuild));
709 tmp = le32_to_cpu(dev->adapter_info.biosrev);
710 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
711 dev->name, dev->id,
712 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
713 le32_to_cpu(dev->adapter_info.biosbuild));
714 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
715 printk(KERN_INFO "%s%d: serial %x\n",
716 dev->name, dev->id,
717 le32_to_cpu(dev->adapter_info.serial[0]));
718
719 dev->nondasd_support = 0;
720 dev->raid_scsi_mode = 0;
721 if(dev->adapter_info.options & AAC_OPT_NONDASD){
722 dev->nondasd_support = 1;
723 }
724
725 /*
726 * If the firmware supports ROMB RAID/SCSI mode and we are currently
727 * in RAID/SCSI mode, set the flag. For now if in this mode we will
728 * force nondasd support on. If we decide to allow the non-dasd flag
729 * additional changes changes will have to be made to support
730 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
731 * changed to support the new dev->raid_scsi_mode flag instead of
732 * leaching off of the dev->nondasd_support flag. Also in linit.c the
733 * function aac_detect will have to be modified where it sets up the
734 * max number of channels based on the aac->nondasd_support flag only.
735 */
736 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
737 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
738 dev->nondasd_support = 1;
739 dev->raid_scsi_mode = 1;
740 }
741 if (dev->raid_scsi_mode != 0)
742 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
743 dev->name, dev->id);
744
745 if(nondasd != -1) {
746 dev->nondasd_support = (nondasd!=0);
747 }
748 if(dev->nondasd_support != 0){
749 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
750 }
751
752 dev->dac_support = 0;
753 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
754 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
755 dev->dac_support = 1;
756 }
757
758 if(dacmode != -1) {
759 dev->dac_support = (dacmode!=0);
760 }
761 if(dev->dac_support != 0) {
762 if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) &&
763 !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) {
764 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
765 dev->name, dev->id);
766 } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) &&
767 !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) {
768 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
769 dev->name, dev->id);
770 dev->dac_support = 0;
771 } else {
772 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
773 dev->name, dev->id);
774 rcode = -ENOMEM;
775 }
776 }
7c00ffa3
MH		 777 /*
778 * 57 scatter gather elements
779 */
780 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
781 sizeof(struct aac_fibhdr) -
782 sizeof(struct aac_write) + sizeof(struct sgmap)) /
783 sizeof(struct sgmap);
784 if (dev->dac_support) {
785 /*
786 * 38 scatter gather elements
787 */
788 dev->scsi_host_ptr->sg_tablesize =
789 (dev->max_fib_size -
790 sizeof(struct aac_fibhdr) -
791 sizeof(struct aac_write64) +
792 sizeof(struct sgmap64)) /
793 sizeof(struct sgmap64);
794 }
795 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
796 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
797 /*
798 * Worst case size that could cause sg overflow when
799 * we break up SG elements that are larger than 64KB.
800 * Would be nice if we could tell the SCSI layer what
801 * the maximum SG element size can be. Worst case is
802 * (sg_tablesize-1) 4KB elements with one 64KB
803 * element.
804 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
805 */
806 dev->scsi_host_ptr->max_sectors =
807 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
808 }
1da177e4
LT		 809
810 fib_complete(fibptr);
811 fib_free(fibptr);
812
813 return rcode;
814}
815
816
817static void read_callback(void *context, struct fib * fibptr)
818{
819 struct aac_dev *dev;
820 struct aac_read_reply *readreply;
821 struct scsi_cmnd *scsicmd;
822 u32 lba;
823 u32 cid;
824
825 scsicmd = (struct scsi_cmnd *) context;
826
827 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
828 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
829
830 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
831 dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
832
833 if (fibptr == NULL)
834 BUG();
835
836 if(scsicmd->use_sg)
837 pci_unmap_sg(dev->pdev,
838 (struct scatterlist *)scsicmd->buffer,
839 scsicmd->use_sg,
840 scsicmd->sc_data_direction);
841 else if(scsicmd->request_bufflen)
842 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
843 scsicmd->request_bufflen,
844 scsicmd->sc_data_direction);
845 readreply = (struct aac_read_reply *)fib_data(fibptr);
846 if (le32_to_cpu(readreply->status) == ST_OK)
847 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
848 else {
7c00ffa3
MH		 849#ifdef AAC_DETAILED_STATUS_INFO
850 printk(KERN_WARNING "read_callback: io failed, status = %d\n",
851 le32_to_cpu(readreply->status));
852#endif
1da177e4
LT		 853 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
854 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
855 HARDWARE_ERROR,
856 SENCODE_INTERNAL_TARGET_FAILURE,
857 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
858 0, 0);
859 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
860 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
861 ? sizeof(scsicmd->sense_buffer)
862 : sizeof(dev->fsa_dev[cid].sense_data));
863 }
864 fib_complete(fibptr);
865 fib_free(fibptr);
866
867 aac_io_done(scsicmd);
868}
869
870static void write_callback(void *context, struct fib * fibptr)
871{
872 struct aac_dev *dev;
873 struct aac_write_reply *writereply;
874 struct scsi_cmnd *scsicmd;
875 u32 lba;
876 u32 cid;
877
878 scsicmd = (struct scsi_cmnd *) context;
879 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
880 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
881
882 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
883 dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
884 if (fibptr == NULL)
885 BUG();
886
887 if(scsicmd->use_sg)
888 pci_unmap_sg(dev->pdev,
889 (struct scatterlist *)scsicmd->buffer,
890 scsicmd->use_sg,
891 scsicmd->sc_data_direction);
892 else if(scsicmd->request_bufflen)
893 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
894 scsicmd->request_bufflen,
895 scsicmd->sc_data_direction);
896
897 writereply = (struct aac_write_reply *) fib_data(fibptr);
898 if (le32_to_cpu(writereply->status) == ST_OK)
899 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
900 else {
901 printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status);
902 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
903 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
904 HARDWARE_ERROR,
905 SENCODE_INTERNAL_TARGET_FAILURE,
906 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
907 0, 0);
908 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
909 sizeof(struct sense_data));
910 }
911
912 fib_complete(fibptr);
913 fib_free(fibptr);
914 aac_io_done(scsicmd);
915}
916
4833869e 917static int aac_read(struct scsi_cmnd * scsicmd, int cid)
1da177e4
LT		 918{
919 u32 lba;
920 u32 count;
921 int status;
922
923 u16 fibsize;
924 struct aac_dev *dev;
925 struct fib * cmd_fibcontext;
926
927 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
928 /*
929 * Get block address and transfer length
930 */
931 if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */
932 {
933 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid));
934
935 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
936 count = scsicmd->cmnd[4];
937
938 if (count == 0)
939 count = 256;
940 } else {
941 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid));
942
943 lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
944 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
945 }
7c00ffa3
MH		 946 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n",
947 smp_processor_id(), (unsigned long long)lba, jiffies));
1da177e4
LT		 948 /*
949 * Alocate and initialize a Fib
950 */
951 if (!(cmd_fibcontext = fib_alloc(dev))) {
952 return -1;
953 }
954
955 fib_init(cmd_fibcontext);
956
7c00ffa3 957 if (dev->dac_support == 1) {
1da177e4
LT		 958 struct aac_read64 *readcmd;
959 readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
960 readcmd->command = cpu_to_le32(VM_CtHostRead64);
961 readcmd->cid = cpu_to_le16(cid);
962 readcmd->sector_count = cpu_to_le16(count);
963 readcmd->block = cpu_to_le32(lba);
964 readcmd->pad = 0;
965 readcmd->flags = 0;
966
967 aac_build_sg64(scsicmd, &readcmd->sg);
968 fibsize = sizeof(struct aac_read64) +
969 ((le32_to_cpu(readcmd->sg.count) - 1) *
970 sizeof (struct sgentry64));
971 BUG_ON (fibsize > (sizeof(struct hw_fib) -
972 sizeof(struct aac_fibhdr)));
973 /*
974 * Now send the Fib to the adapter
975 */
976 status = fib_send(ContainerCommand64,
977 cmd_fibcontext,
978 fibsize,
979 FsaNormal,
980 0, 1,
981 (fib_callback) read_callback,
982 (void *) scsicmd);
983 } else {
984 struct aac_read *readcmd;
985 readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
986 readcmd->command = cpu_to_le32(VM_CtBlockRead);
987 readcmd->cid = cpu_to_le32(cid);
988 readcmd->block = cpu_to_le32(lba);
989 readcmd->count = cpu_to_le32(count * 512);
990
1da177e4
LT		 991 aac_build_sg(scsicmd, &readcmd->sg);
992 fibsize = sizeof(struct aac_read) +
993 ((le32_to_cpu(readcmd->sg.count) - 1) *
994 sizeof (struct sgentry));
7c00ffa3 995 BUG_ON (fibsize > (dev->max_fib_size -
1da177e4
LT		 996 sizeof(struct aac_fibhdr)));
997 /*
998 * Now send the Fib to the adapter
999 */
1000 status = fib_send(ContainerCommand,
1001 cmd_fibcontext,
1002 fibsize,
1003 FsaNormal,
1004 0, 1,
1005 (fib_callback) read_callback,
1006 (void *) scsicmd);
1007 }
1008
1009
1010
1011 /*
1012 * Check that the command queued to the controller
1013 */
1014 if (status == -EINPROGRESS)
1015 return 0;
1016
1017 printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status);
1018 /*
1019 * For some reason, the Fib didn't queue, return QUEUE_FULL
1020 */
1021 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1022 aac_io_done(scsicmd);
1023 fib_complete(cmd_fibcontext);
1024 fib_free(cmd_fibcontext);
1025 return 0;
1026}
1027
1028static int aac_write(struct scsi_cmnd * scsicmd, int cid)
1029{
1030 u32 lba;
1031 u32 count;
1032 int status;
1033 u16 fibsize;
1034 struct aac_dev *dev;
1035 struct fib * cmd_fibcontext;
1036
1037 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1038 /*
1039 * Get block address and transfer length
1040 */
1041 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1042 {
1043 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1044 count = scsicmd->cmnd[4];
1045 if (count == 0)
1046 count = 256;
1047 } else {
1048 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid));
1049 lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1050 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1051 }
1052 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n",
1053 smp_processor_id(), (unsigned long long)lba, jiffies));
1054 /*
1055 * Allocate and initialize a Fib then setup a BlockWrite command
1056 */
1057 if (!(cmd_fibcontext = fib_alloc(dev))) {
1058 scsicmd->result = DID_ERROR << 16;
1059 aac_io_done(scsicmd);
1060 return 0;
1061 }
1062 fib_init(cmd_fibcontext);
1063
1064 if(dev->dac_support == 1) {
1065 struct aac_write64 *writecmd;
1066 writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
1067 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1068 writecmd->cid = cpu_to_le16(cid);
1069 writecmd->sector_count = cpu_to_le16(count);
1070 writecmd->block = cpu_to_le32(lba);
1071 writecmd->pad = 0;
1072 writecmd->flags = 0;
1073
1074 aac_build_sg64(scsicmd, &writecmd->sg);
1075 fibsize = sizeof(struct aac_write64) +
1076 ((le32_to_cpu(writecmd->sg.count) - 1) *
1077 sizeof (struct sgentry64));
7c00ffa3 1078 BUG_ON (fibsize > (dev->max_fib_size -
1da177e4
LT		 1079 sizeof(struct aac_fibhdr)));
1080 /*
1081 * Now send the Fib to the adapter
1082 */
1083 status = fib_send(ContainerCommand64,
1084 cmd_fibcontext,
1085 fibsize,
1086 FsaNormal,
1087 0, 1,
1088 (fib_callback) write_callback,
1089 (void *) scsicmd);
1090 } else {
1091 struct aac_write *writecmd;
1092 writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
1093 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1094 writecmd->cid = cpu_to_le32(cid);
1095 writecmd->block = cpu_to_le32(lba);
1096 writecmd->count = cpu_to_le32(count * 512);
1097 writecmd->sg.count = cpu_to_le32(1);
1098 /* ->stable is not used - it did mean which type of write */
1099
1da177e4
LT		 1100 aac_build_sg(scsicmd, &writecmd->sg);
1101 fibsize = sizeof(struct aac_write) +
1102 ((le32_to_cpu(writecmd->sg.count) - 1) *
1103 sizeof (struct sgentry));
7c00ffa3 1104 BUG_ON (fibsize > (dev->max_fib_size -
1da177e4
LT		 1105 sizeof(struct aac_fibhdr)));
1106 /*
1107 * Now send the Fib to the adapter
1108 */
1109 status = fib_send(ContainerCommand,
1110 cmd_fibcontext,
1111 fibsize,
1112 FsaNormal,
1113 0, 1,
1114 (fib_callback) write_callback,
1115 (void *) scsicmd);
1116 }
1117
1118 /*
1119 * Check that the command queued to the controller
1120 */
1121 if (status == -EINPROGRESS)
1122 {
1da177e4
LT		 1123 return 0;
1124 }
1125
1126 printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status);
1127 /*
1128 * For some reason, the Fib didn't queue, return QUEUE_FULL
1129 */
1130 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1131 aac_io_done(scsicmd);
1132
1133 fib_complete(cmd_fibcontext);
1134 fib_free(cmd_fibcontext);
1135 return 0;
1136}
1137
1138static void synchronize_callback(void *context, struct fib *fibptr)
1139{
1140 struct aac_synchronize_reply *synchronizereply;
1141 struct scsi_cmnd *cmd;
1142
1143 cmd = context;
1144
1145 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1146 smp_processor_id(), jiffies));
1147 BUG_ON(fibptr == NULL);
1148
1149
1150 synchronizereply = fib_data(fibptr);
1151 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1152 cmd->result = DID_OK << 16 |
1153 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1154 else {
1155 struct scsi_device *sdev = cmd->device;
1156 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1157 u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun);
1158 printk(KERN_WARNING
1159 "synchronize_callback: synchronize failed, status = %d\n",
1160 le32_to_cpu(synchronizereply->status));
1161 cmd->result = DID_OK << 16 |
1162 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1163 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1164 HARDWARE_ERROR,
1165 SENCODE_INTERNAL_TARGET_FAILURE,
1166 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1167 0, 0);
1168 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1169 min(sizeof(dev->fsa_dev[cid].sense_data),
1170 sizeof(cmd->sense_buffer)));
1171 }
1172
1173 fib_complete(fibptr);
1174 fib_free(fibptr);
1175 aac_io_done(cmd);
1176}
1177
1178static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
1179{
1180 int status;
1181 struct fib *cmd_fibcontext;
1182 struct aac_synchronize *synchronizecmd;
1183 struct scsi_cmnd *cmd;
1184 struct scsi_device *sdev = scsicmd->device;
1185 int active = 0;
1186 unsigned long flags;
1187
1188 /*
1189 * Wait for all commands to complete to this specific
1190 * target (block).
1191 */
1192 spin_lock_irqsave(&sdev->list_lock, flags);
1193 list_for_each_entry(cmd, &sdev->cmd_list, list)
1194 if (cmd != scsicmd && cmd->serial_number != 0) {
1195 ++active;
1196 break;
1197 }
1198
1199 spin_unlock_irqrestore(&sdev->list_lock, flags);
1200
1201 /*
1202 * Yield the processor (requeue for later)
1203 */
1204 if (active)
1205 return SCSI_MLQUEUE_DEVICE_BUSY;
1206
1207 /*
7c00ffa3 1208 * Allocate and initialize a Fib
1da177e4
LT		 1209 */
1210 if (!(cmd_fibcontext =
1211 fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
1212 return SCSI_MLQUEUE_HOST_BUSY;
1213
1214 fib_init(cmd_fibcontext);
1215
1216 synchronizecmd = fib_data(cmd_fibcontext);
1217 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1218 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1219 synchronizecmd->cid = cpu_to_le32(cid);
1220 synchronizecmd->count =
1221 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1222
1223 /*
1224 * Now send the Fib to the adapter
1225 */
1226 status = fib_send(ContainerCommand,
1227 cmd_fibcontext,
1228 sizeof(struct aac_synchronize),
1229 FsaNormal,
1230 0, 1,
1231 (fib_callback)synchronize_callback,
1232 (void *)scsicmd);
1233
1234 /*
1235 * Check that the command queued to the controller
1236 */
1237 if (status == -EINPROGRESS)
1238 return 0;
1239
1240 printk(KERN_WARNING
1241 "aac_synchronize: fib_send failed with status: %d.\n", status);
1242 fib_complete(cmd_fibcontext);
1243 fib_free(cmd_fibcontext);
1244 return SCSI_MLQUEUE_HOST_BUSY;
1245}
1246
1247/**
1248 * aac_scsi_cmd() - Process SCSI command
1249 * @scsicmd: SCSI command block
1250 *
1251 * Emulate a SCSI command and queue the required request for the
1252 * aacraid firmware.
1253 */
1254
1255int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1256{
1257 u32 cid = 0;
1258 struct Scsi_Host *host = scsicmd->device->host;
1259 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1260 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1261 int cardtype = dev->cardtype;
1262 int ret;
1263
1264 /*
1265 * If the bus, id or lun is out of range, return fail
1266 * Test does not apply to ID 16, the pseudo id for the controller
1267 * itself.
1268 */
1269 if (scsicmd->device->id != host->this_id) {
1270 if ((scsicmd->device->channel == 0) ){
1271 if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){
1272 scsicmd->result = DID_NO_CONNECT << 16;
1273 scsicmd->scsi_done(scsicmd);
1274 return 0;
1275 }
1276 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
1277
1278 /*
1279 * If the target container doesn't exist, it may have
1280 * been newly created
1281 */
1282 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1283 switch (scsicmd->cmnd[0]) {
1284 case INQUIRY:
1285 case READ_CAPACITY:
1286 case TEST_UNIT_READY:
1287 spin_unlock_irq(host->host_lock);
1288 probe_container(dev, cid);
1289 spin_lock_irq(host->host_lock);
1290 if (fsa_dev_ptr[cid].valid == 0) {
1291 scsicmd->result = DID_NO_CONNECT << 16;
1292 scsicmd->scsi_done(scsicmd);
1293 return 0;
1294 }
1295 default:
1296 break;
1297 }
1298 }
1299 /*
1300 * If the target container still doesn't exist,
1301 * return failure
1302 */
1303 if (fsa_dev_ptr[cid].valid == 0) {
1304 scsicmd->result = DID_BAD_TARGET << 16;
1305 scsicmd->scsi_done(scsicmd);
1306 return 0;
1307 }
1308 } else { /* check for physical non-dasd devices */
1309 if(dev->nondasd_support == 1){
1310 return aac_send_srb_fib(scsicmd);
1311 } else {
1312 scsicmd->result = DID_NO_CONNECT << 16;
1313 scsicmd->scsi_done(scsicmd);
1314 return 0;
1315 }
1316 }
1317 }
1318 /*
1319 * else Command for the controller itself
1320 */
1321 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
1322 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1323 {
1324 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1325 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1326 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1327 ILLEGAL_REQUEST,
1328 SENCODE_INVALID_COMMAND,
1329 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1330 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1331 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1332 ? sizeof(scsicmd->sense_buffer)
1333 : sizeof(dev->fsa_dev[cid].sense_data));
1334 scsicmd->scsi_done(scsicmd);
1335 return 0;
1336 }
1337
1338
1339 /* Handle commands here that don't really require going out to the adapter */
1340 switch (scsicmd->cmnd[0]) {
1341 case INQUIRY:
1342 {
1343 struct inquiry_data *inq_data_ptr;
1344
1345 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
1346 inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
1347 memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
1348
1349 inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */
1350 inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */
1351 inq_data_ptr->inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
1352 inq_data_ptr->inqd_len = 31;
1353 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1354 inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1355 /*
1356 * Set the Vendor, Product, and Revision Level
1357 * see: <vendor>.c i.e. aac.c
1358 */
1359 if (scsicmd->device->id == host->this_id) {
1360 setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *)));
1361 inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
1362 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1363 scsicmd->scsi_done(scsicmd);
1364 return 0;
1365 }
1366 setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type);
1367 inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
1368 return aac_get_container_name(scsicmd, cid);
1369 }
1370 case READ_CAPACITY:
1371 {
1372 u32 capacity;
1373 char *cp;
1374
1375 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1376 if (fsa_dev_ptr[cid].size <= 0x100000000LL)
1377 capacity = fsa_dev_ptr[cid].size - 1;
1378 else
1379 capacity = (u32)-1;
1380 cp = scsicmd->request_buffer;
1381 cp[0] = (capacity >> 24) & 0xff;
1382 cp[1] = (capacity >> 16) & 0xff;
1383 cp[2] = (capacity >> 8) & 0xff;
1384 cp[3] = (capacity >> 0) & 0xff;
1385 cp[4] = 0;
1386 cp[5] = 0;
1387 cp[6] = 2;
1388 cp[7] = 0;
1389
1390 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1391 scsicmd->scsi_done(scsicmd);
1392
1393 return 0;
1394 }
1395
1396 case MODE_SENSE:
1397 {
1398 char *mode_buf;
1399
1400 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1401 mode_buf = scsicmd->request_buffer;
1402 mode_buf[0] = 3; /* Mode data length */
1403 mode_buf[1] = 0; /* Medium type - default */
1404 mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1405 mode_buf[3] = 0; /* Block descriptor length */
1406
1407 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1408 scsicmd->scsi_done(scsicmd);
1409
1410 return 0;
1411 }
1412 case MODE_SENSE_10:
1413 {
1414 char *mode_buf;
1415
1416 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1417 mode_buf = scsicmd->request_buffer;
1418 mode_buf[0] = 0; /* Mode data length (MSB) */
1419 mode_buf[1] = 6; /* Mode data length (LSB) */
1420 mode_buf[2] = 0; /* Medium type - default */
1421 mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1422 mode_buf[4] = 0; /* reserved */
1423 mode_buf[5] = 0; /* reserved */
1424 mode_buf[6] = 0; /* Block descriptor length (MSB) */
1425 mode_buf[7] = 0; /* Block descriptor length (LSB) */
1426
1427 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1428 scsicmd->scsi_done(scsicmd);
1429
1430 return 0;
1431 }
1432 case REQUEST_SENSE:
1433 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1434 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1435 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1436 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1437 scsicmd->scsi_done(scsicmd);
1438 return 0;
1439
1440 case ALLOW_MEDIUM_REMOVAL:
1441 dprintk((KERN_DEBUG "LOCK command.\n"));
1442 if (scsicmd->cmnd[4])
1443 fsa_dev_ptr[cid].locked = 1;
1444 else
1445 fsa_dev_ptr[cid].locked = 0;
1446
1447 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1448 scsicmd->scsi_done(scsicmd);
1449 return 0;
1450 /*
1451 * These commands are all No-Ops
1452 */
1453 case TEST_UNIT_READY:
1454 case RESERVE:
1455 case RELEASE:
1456 case REZERO_UNIT:
1457 case REASSIGN_BLOCKS:
1458 case SEEK_10:
1459 case START_STOP:
1460 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1461 scsicmd->scsi_done(scsicmd);
1462 return 0;
1463 }
1464
1465 switch (scsicmd->cmnd[0])
1466 {
1467 case READ_6:
1468 case READ_10:
1469 /*
1470 * Hack to keep track of ordinal number of the device that
1471 * corresponds to a container. Needed to convert
1472 * containers to /dev/sd device names
1473 */
1474
1475 spin_unlock_irq(host->host_lock);
1476 if (scsicmd->request->rq_disk)
1477 memcpy(fsa_dev_ptr[cid].devname,
1478 scsicmd->request->rq_disk->disk_name,
1479 8);
1480
1481 ret = aac_read(scsicmd, cid);
1482 spin_lock_irq(host->host_lock);
1483 return ret;
1484
1485 case WRITE_6:
1486 case WRITE_10:
1487 spin_unlock_irq(host->host_lock);
1488 ret = aac_write(scsicmd, cid);
1489 spin_lock_irq(host->host_lock);
1490 return ret;
1491
1492 case SYNCHRONIZE_CACHE:
1493 /* Issue FIB to tell Firmware to flush it's cache */
1494 return aac_synchronize(scsicmd, cid);
1495
1496 default:
1497 /*
1498 * Unhandled commands
1499 */
7c00ffa3 1500 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1da177e4
LT		 1501 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1502 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1503 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1504 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1505 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1506 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1507 ? sizeof(scsicmd->sense_buffer)
1508 : sizeof(dev->fsa_dev[cid].sense_data));
1509 scsicmd->scsi_done(scsicmd);
1510 return 0;
1511 }
1512}
1513
1514static int query_disk(struct aac_dev *dev, void __user *arg)
1515{
1516 struct aac_query_disk qd;
1517 struct fsa_dev_info *fsa_dev_ptr;
1518
1519 fsa_dev_ptr = dev->fsa_dev;
1520 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
1521 return -EFAULT;
1522 if (qd.cnum == -1)
1523 qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun);
1524 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1525 {
1526 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
1527 return -EINVAL;
1528 qd.instance = dev->scsi_host_ptr->host_no;
1529 qd.bus = 0;
1530 qd.id = CONTAINER_TO_ID(qd.cnum);
1531 qd.lun = CONTAINER_TO_LUN(qd.cnum);
1532 }
1533 else return -EINVAL;
1534
1535 qd.valid = fsa_dev_ptr[qd.cnum].valid;
1536 qd.locked = fsa_dev_ptr[qd.cnum].locked;
1537 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
1538
1539 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
1540 qd.unmapped = 1;
1541 else
1542 qd.unmapped = 0;
1543
1544 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
1545 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
1546
1547 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
1548 return -EFAULT;
1549 return 0;
1550}
1551
1552static int force_delete_disk(struct aac_dev *dev, void __user *arg)
1553{
1554 struct aac_delete_disk dd;
1555 struct fsa_dev_info *fsa_dev_ptr;
1556
1557 fsa_dev_ptr = dev->fsa_dev;
1558
1559 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1560 return -EFAULT;
1561
1562 if (dd.cnum >= dev->maximum_num_containers)
1563 return -EINVAL;
1564 /*
1565 * Mark this container as being deleted.
1566 */
1567 fsa_dev_ptr[dd.cnum].deleted = 1;
1568 /*
1569 * Mark the container as no longer valid
1570 */
1571 fsa_dev_ptr[dd.cnum].valid = 0;
1572 return 0;
1573}
1574
1575static int delete_disk(struct aac_dev *dev, void __user *arg)
1576{
1577 struct aac_delete_disk dd;
1578 struct fsa_dev_info *fsa_dev_ptr;
1579
1580 fsa_dev_ptr = dev->fsa_dev;
1581
1582 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1583 return -EFAULT;
1584
1585 if (dd.cnum >= dev->maximum_num_containers)
1586 return -EINVAL;
1587 /*
1588 * If the container is locked, it can not be deleted by the API.
1589 */
1590 if (fsa_dev_ptr[dd.cnum].locked)
1591 return -EBUSY;
1592 else {
1593 /*
1594 * Mark the container as no longer being valid.
1595 */
1596 fsa_dev_ptr[dd.cnum].valid = 0;
1597 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
1598 return 0;
1599 }
1600}
1601
1602int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
1603{
1604 switch (cmd) {
1605 case FSACTL_QUERY_DISK:
1606 return query_disk(dev, arg);
1607 case FSACTL_DELETE_DISK:
1608 return delete_disk(dev, arg);
1609 case FSACTL_FORCE_DELETE_DISK:
1610 return force_delete_disk(dev, arg);
1611 case FSACTL_GET_CONTAINERS:
1612 return aac_get_containers(dev);
1613 default:
1614 return -ENOTTY;
1615 }
1616}
1617
1618/**
1619 *
1620 * aac_srb_callback
1621 * @context: the context set in the fib - here it is scsi cmd
1622 * @fibptr: pointer to the fib
1623 *
1624 * Handles the completion of a scsi command to a non dasd device
1625 *
1626 */
1627
1628static void aac_srb_callback(void *context, struct fib * fibptr)
1629{
1630 struct aac_dev *dev;
1631 struct aac_srb_reply *srbreply;
1632 struct scsi_cmnd *scsicmd;
1633
1634 scsicmd = (struct scsi_cmnd *) context;
1635 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1636
1637 if (fibptr == NULL)
1638 BUG();
1639
1640 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
1641
1642 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
1643 /*
1644 * Calculate resid for sg
1645 */
1646
1647 scsicmd->resid = scsicmd->request_bufflen -
1648 le32_to_cpu(srbreply->data_xfer_length);
1649
1650 if(scsicmd->use_sg)
1651 pci_unmap_sg(dev->pdev,
1652 (struct scatterlist *)scsicmd->buffer,
1653 scsicmd->use_sg,
1654 scsicmd->sc_data_direction);
1655 else if(scsicmd->request_bufflen)
1656 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
1657 scsicmd->sc_data_direction);
1658
1659 /*
1660 * First check the fib status
1661 */
1662
1663 if (le32_to_cpu(srbreply->status) != ST_OK){
1664 int len;
1665 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
1666 len = (le32_to_cpu(srbreply->sense_data_size) >
1667 sizeof(scsicmd->sense_buffer)) ?
1668 sizeof(scsicmd->sense_buffer) :
1669 le32_to_cpu(srbreply->sense_data_size);
1670 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1671 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1672 }
1673
1674 /*
1675 * Next check the srb status
1676 */
1677 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
1678 case SRB_STATUS_ERROR_RECOVERY:
1679 case SRB_STATUS_PENDING:
1680 case SRB_STATUS_SUCCESS:
1681 if(scsicmd->cmnd[0] == INQUIRY ){
1682 u8 b;
1683 u8 b1;
1684 /* We can't expose disk devices because we can't tell whether they
1685 * are the raw container drives or stand alone drives. If they have
1686 * the removable bit set then we should expose them though.
1687 */
1688 b = (*(u8*)scsicmd->buffer)&0x1f;
1689 b1 = ((u8*)scsicmd->buffer)[1];
1690 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1691 || (b==TYPE_DISK && (b1&0x80)) ){
1692 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1693 /*
1694 * We will allow disk devices if in RAID/SCSI mode and
1695 * the channel is 2
1696 */
1697 } else if ((dev->raid_scsi_mode) &&
1698 (scsicmd->device->channel == 2)) {
1699 scsicmd->result = DID_OK << 16 |
1700 COMMAND_COMPLETE << 8;
1701 } else {
1702 scsicmd->result = DID_NO_CONNECT << 16 |
1703 COMMAND_COMPLETE << 8;
1704 }
1705 } else {
1706 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1707 }
1708 break;
1709 case SRB_STATUS_DATA_OVERRUN:
1710 switch(scsicmd->cmnd[0]){
1711 case READ_6:
1712 case WRITE_6:
1713 case READ_10:
1714 case WRITE_10:
1715 case READ_12:
1716 case WRITE_12:
1717 if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
1718 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
1719 } else {
1720 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
1721 }
1722 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1723 break;
1724 case INQUIRY: {
1725 u8 b;
1726 u8 b1;
1727 /* We can't expose disk devices because we can't tell whether they
1728 * are the raw container drives or stand alone drives
1729 */
1730 b = (*(u8*)scsicmd->buffer)&0x0f;
1731 b1 = ((u8*)scsicmd->buffer)[1];
1732 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1733 || (b==TYPE_DISK && (b1&0x80)) ){
1734 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1735 /*
1736 * We will allow disk devices if in RAID/SCSI mode and
1737 * the channel is 2
1738 */
1739 } else if ((dev->raid_scsi_mode) &&
1740 (scsicmd->device->channel == 2)) {
1741 scsicmd->result = DID_OK << 16 |
1742 COMMAND_COMPLETE << 8;
1743 } else {
1744 scsicmd->result = DID_NO_CONNECT << 16 |
1745 COMMAND_COMPLETE << 8;
1746 }
1747 break;
1748 }
1749 default:
1750 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1751 break;
1752 }
1753 break;
1754 case SRB_STATUS_ABORTED:
1755 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
1756 break;
1757 case SRB_STATUS_ABORT_FAILED:
1758 // Not sure about this one - but assuming the hba was trying to abort for some reason
1759 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
1760 break;
1761 case SRB_STATUS_PARITY_ERROR:
1762 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
1763 break;
1764 case SRB_STATUS_NO_DEVICE:
1765 case SRB_STATUS_INVALID_PATH_ID:
1766 case SRB_STATUS_INVALID_TARGET_ID:
1767 case SRB_STATUS_INVALID_LUN:
1768 case SRB_STATUS_SELECTION_TIMEOUT:
1769 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1770 break;
1771
1772 case SRB_STATUS_COMMAND_TIMEOUT:
1773 case SRB_STATUS_TIMEOUT:
1774 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
1775 break;
1776
1777 case SRB_STATUS_BUSY:
1778 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1779 break;
1780
1781 case SRB_STATUS_BUS_RESET:
1782 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
1783 break;
1784
1785 case SRB_STATUS_MESSAGE_REJECTED:
1786 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
1787 break;
1788 case SRB_STATUS_REQUEST_FLUSHED:
1789 case SRB_STATUS_ERROR:
1790 case SRB_STATUS_INVALID_REQUEST:
1791 case SRB_STATUS_REQUEST_SENSE_FAILED:
1792 case SRB_STATUS_NO_HBA:
1793 case SRB_STATUS_UNEXPECTED_BUS_FREE:
1794 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
1795 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
1796 case SRB_STATUS_DELAYED_RETRY:
1797 case SRB_STATUS_BAD_FUNCTION:
1798 case SRB_STATUS_NOT_STARTED:
1799 case SRB_STATUS_NOT_IN_USE:
1800 case SRB_STATUS_FORCE_ABORT:
1801 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
1802 default:
1803#ifdef AAC_DETAILED_STATUS_INFO
1804 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
1805 le32_to_cpu(srbreply->srb_status) & 0x3F,
1806 aac_get_status_string(
1807 le32_to_cpu(srbreply->srb_status) & 0x3F),
1808 scsicmd->cmnd[0],
1809 le32_to_cpu(srbreply->scsi_status));
1810#endif
1811 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1812 break;
1813 }
1814 if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
1815 int len;
1816 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
1817 len = (le32_to_cpu(srbreply->sense_data_size) >
1818 sizeof(scsicmd->sense_buffer)) ?
1819 sizeof(scsicmd->sense_buffer) :
1820 le32_to_cpu(srbreply->sense_data_size);
1821#ifdef AAC_DETAILED_STATUS_INFO
1822 dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
1823 le32_to_cpu(srbreply->status), len));
1824#endif
1825 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1826
1827 }
1828 /*
1829 * OR in the scsi status (already shifted up a bit)
1830 */
1831 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
1832
1833 fib_complete(fibptr);
1834 fib_free(fibptr);
1835 aac_io_done(scsicmd);
1836}
1837
1838/**
1839 *
1840 * aac_send_scb_fib
1841 * @scsicmd: the scsi command block
1842 *
1843 * This routine will form a FIB and fill in the aac_srb from the
1844 * scsicmd passed in.
1845 */
1846
1847static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
1848{
1849 struct fib* cmd_fibcontext;
1850 struct aac_dev* dev;
1851 int status;
1852 struct aac_srb *srbcmd;
1853 u16 fibsize;
1854 u32 flag;
1855 u32 timeout;
1856
84971738
MH		 1857 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1858 if (scsicmd->device->id >= dev->maximum_num_physicals ||
1859 scsicmd->device->lun > 7) {
1da177e4
LT		 1860 scsicmd->result = DID_NO_CONNECT << 16;
1861 scsicmd->scsi_done(scsicmd);
1862 return 0;
1863 }
1864
1865 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1866 switch(scsicmd->sc_data_direction){
1867 case DMA_TO_DEVICE:
1868 flag = SRB_DataOut;
1869 break;
1870 case DMA_BIDIRECTIONAL:
1871 flag = SRB_DataIn | SRB_DataOut;
1872 break;
1873 case DMA_FROM_DEVICE:
1874 flag = SRB_DataIn;
1875 break;
1876 case DMA_NONE:
1877 default: /* shuts up some versions of gcc */
1878 flag = SRB_NoDataXfer;
1879 break;
1880 }
1881
1882
1883 /*
1884 * Allocate and initialize a Fib then setup a BlockWrite command
1885 */
1886 if (!(cmd_fibcontext = fib_alloc(dev))) {
1887 return -1;
1888 }
1889 fib_init(cmd_fibcontext);
1890
1891 srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
1892 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1893 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel));
1894 srbcmd->id = cpu_to_le32(scsicmd->device->id);
1895 srbcmd->lun = cpu_to_le32(scsicmd->device->lun);
1896 srbcmd->flags = cpu_to_le32(flag);
1897 timeout = (scsicmd->timeout-jiffies)/HZ;
1898 if(timeout == 0){
1899 timeout = 1;
1900 }
1901 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1902 srbcmd->retry_limit = 0; /* Obsolete parameter */
1903 srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
1904
1905 if( dev->dac_support == 1 ) {
1906 aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
1907 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
1908
1909 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1910 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
1911 /*
1912 * Build Scatter/Gather list
1913 */
1914 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1915 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1916 sizeof (struct sgentry64));
7c00ffa3 1917 BUG_ON (fibsize > (dev->max_fib_size -
1da177e4
LT		 1918 sizeof(struct aac_fibhdr)));
1919
1920 /*
1921 * Now send the Fib to the adapter
1922 */
1923 status = fib_send(ScsiPortCommand64, cmd_fibcontext,
1924 fibsize, FsaNormal, 0, 1,
1925 (fib_callback) aac_srb_callback,
1926 (void *) scsicmd);
1927 } else {
1928 aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
1929 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
1930
1931 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1932 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
1933 /*
1934 * Build Scatter/Gather list
1935 */
1936 fibsize = sizeof (struct aac_srb) +
1937 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1938 sizeof (struct sgentry));
7c00ffa3 1939 BUG_ON (fibsize > (dev->max_fib_size -
1da177e4
LT		 1940 sizeof(struct aac_fibhdr)));
1941
1942 /*
1943 * Now send the Fib to the adapter
1944 */
1945 status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
1946 (fib_callback) aac_srb_callback, (void *) scsicmd);
1947 }
1948 /*
1949 * Check that the command queued to the controller
1950 */
1951 if (status == -EINPROGRESS){
1952 return 0;
1953 }
1954
1955 printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status);
1956 fib_complete(cmd_fibcontext);
1957 fib_free(cmd_fibcontext);
1958
1959 return -1;
1960}
1961
1962static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
1963{
1964 struct aac_dev *dev;
1965 unsigned long byte_count = 0;
1966
1967 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1968 // Get rid of old data
1969 psg->count = 0;
1970 psg->sg[0].addr = 0;
1971 psg->sg[0].count = 0;
1972 if (scsicmd->use_sg) {
1973 struct scatterlist *sg;
1974 int i;
1975 int sg_count;
1976 sg = (struct scatterlist *) scsicmd->request_buffer;
1977
1978 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
1979 scsicmd->sc_data_direction);
1980 psg->count = cpu_to_le32(sg_count);
1981
1982 byte_count = 0;
1983
1984 for (i = 0; i < sg_count; i++) {
1985 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
1986 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
1987 byte_count += sg_dma_len(sg);
1988 sg++;
1989 }
1990 /* hba wants the size to be exact */
1991 if(byte_count > scsicmd->request_bufflen){
56b58712
MH		 1992 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
1993 (byte_count - scsicmd->request_bufflen);
1994 psg->sg[i-1].count = cpu_to_le32(temp);
1da177e4
LT		 1995 byte_count = scsicmd->request_bufflen;
1996 }
1997 /* Check for command underflow */
1998 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
1999 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2000 byte_count, scsicmd->underflow);
2001 }
2002 }
2003 else if(scsicmd->request_bufflen) {
2004 dma_addr_t addr;
2005 addr = pci_map_single(dev->pdev,
2006 scsicmd->request_buffer,
2007 scsicmd->request_bufflen,
2008 scsicmd->sc_data_direction);
2009 psg->count = cpu_to_le32(1);
2010 psg->sg[0].addr = cpu_to_le32(addr);
2011 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2012 scsicmd->SCp.dma_handle = addr;
2013 byte_count = scsicmd->request_bufflen;
2014 }
2015 return byte_count;
2016}
2017
2018
2019static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2020{
2021 struct aac_dev *dev;
2022 unsigned long byte_count = 0;
56b58712 2023 u64 addr;
1da177e4
LT		 2024
2025 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2026 // Get rid of old data
2027 psg->count = 0;
2028 psg->sg[0].addr[0] = 0;
2029 psg->sg[0].addr[1] = 0;
2030 psg->sg[0].count = 0;
2031 if (scsicmd->use_sg) {
2032 struct scatterlist *sg;
2033 int i;
2034 int sg_count;
2035 sg = (struct scatterlist *) scsicmd->request_buffer;
2036
2037 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2038 scsicmd->sc_data_direction);
2039 psg->count = cpu_to_le32(sg_count);
2040
2041 byte_count = 0;
2042
2043 for (i = 0; i < sg_count; i++) {
56b58712
MH		 2044 addr = sg_dma_address(sg);
2045 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2046 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
1da177e4
LT		 2047 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2048 byte_count += sg_dma_len(sg);
2049 sg++;
2050 }
2051 /* hba wants the size to be exact */
2052 if(byte_count > scsicmd->request_bufflen){
56b58712
MH		 2053 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2054 (byte_count - scsicmd->request_bufflen);
2055 psg->sg[i-1].count = cpu_to_le32(temp);
1da177e4
LT		 2056 byte_count = scsicmd->request_bufflen;
2057 }
2058 /* Check for command underflow */
2059 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2060 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2061 byte_count, scsicmd->underflow);
2062 }
2063 }
2064 else if(scsicmd->request_bufflen) {
56b58712 2065 u64 addr;
1da177e4
LT		 2066 addr = pci_map_single(dev->pdev,
2067 scsicmd->request_buffer,
2068 scsicmd->request_bufflen,
2069 scsicmd->sc_data_direction);
2070 psg->count = cpu_to_le32(1);
56b58712
MH		 2071 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2072 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
1da177e4
LT		 2073 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2074 scsicmd->SCp.dma_handle = addr;
2075 byte_count = scsicmd->request_bufflen;
2076 }
2077 return byte_count;
2078}
2079
2080#ifdef AAC_DETAILED_STATUS_INFO
2081
2082struct aac_srb_status_info {
2083 u32 status;
2084 char *str;
2085};
2086
2087
2088static struct aac_srb_status_info srb_status_info[] = {
2089 { SRB_STATUS_PENDING, "Pending Status"},
2090 { SRB_STATUS_SUCCESS, "Success"},
2091 { SRB_STATUS_ABORTED, "Aborted Command"},
2092 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2093 { SRB_STATUS_ERROR, "Error Event"},
2094 { SRB_STATUS_BUSY, "Device Busy"},
2095 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2096 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2097 { SRB_STATUS_NO_DEVICE, "No Device"},
2098 { SRB_STATUS_TIMEOUT, "Timeout"},
2099 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2100 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2101 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2102 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2103 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2104 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2105 { SRB_STATUS_NO_HBA, "No HBA"},
2106 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2107 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2108 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2109 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2110 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2111 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2112 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2113 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2114 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2115 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2116 { SRB_STATUS_NOT_STARTED, "Not Started"},
2117 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2118 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2119 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2120 { 0xff, "Unknown Error"}
2121};
2122
2123char *aac_get_status_string(u32 status)
2124{
2125 int i;
2126
2127 for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
2128 if(srb_status_info[i].status == status){
2129 return srb_status_info[i].str;
2130 }
2131 }
2132
2133 return "Bad Status Code";
2134}
2135
2136#endif
kernel source for telekom puls (alcatel/mediatek)