2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
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)
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.
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.
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/types.h>
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>
34 #include <asm/uaccess.h>
35 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_cmnd.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
44 /* values for inqd_pdt: Peripheral device type in plain English */
45 #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
46 #define INQD_PDT_PROC 0x03 /* Processor device */
47 #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
48 #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
49 #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
50 #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
52 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
53 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
59 #define SENCODE_NO_SENSE 0x00
60 #define SENCODE_END_OF_DATA 0x00
61 #define SENCODE_BECOMING_READY 0x04
62 #define SENCODE_INIT_CMD_REQUIRED 0x04
63 #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
64 #define SENCODE_INVALID_COMMAND 0x20
65 #define SENCODE_LBA_OUT_OF_RANGE 0x21
66 #define SENCODE_INVALID_CDB_FIELD 0x24
67 #define SENCODE_LUN_NOT_SUPPORTED 0x25
68 #define SENCODE_INVALID_PARAM_FIELD 0x26
69 #define SENCODE_PARAM_NOT_SUPPORTED 0x26
70 #define SENCODE_PARAM_VALUE_INVALID 0x26
71 #define SENCODE_RESET_OCCURRED 0x29
72 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
73 #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
74 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
75 #define SENCODE_DIAGNOSTIC_FAILURE 0x40
76 #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
77 #define SENCODE_INVALID_MESSAGE_ERROR 0x49
78 #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
79 #define SENCODE_OVERLAPPED_COMMAND 0x4E
82 * Additional sense codes
85 #define ASENCODE_NO_SENSE 0x00
86 #define ASENCODE_END_OF_DATA 0x05
87 #define ASENCODE_BECOMING_READY 0x01
88 #define ASENCODE_INIT_CMD_REQUIRED 0x02
89 #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
90 #define ASENCODE_INVALID_COMMAND 0x00
91 #define ASENCODE_LBA_OUT_OF_RANGE 0x00
92 #define ASENCODE_INVALID_CDB_FIELD 0x00
93 #define ASENCODE_LUN_NOT_SUPPORTED 0x00
94 #define ASENCODE_INVALID_PARAM_FIELD 0x00
95 #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
96 #define ASENCODE_PARAM_VALUE_INVALID 0x02
97 #define ASENCODE_RESET_OCCURRED 0x00
98 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
99 #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
100 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
101 #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
102 #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
103 #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
104 #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
105 #define ASENCODE_OVERLAPPED_COMMAND 0x00
107 #define BYTE0(x) (unsigned char)(x)
108 #define BYTE1(x) (unsigned char)((x) >> 8)
109 #define BYTE2(x) (unsigned char)((x) >> 16)
110 #define BYTE3(x) (unsigned char)((x) >> 24)
112 /*------------------------------------------------------------------------------
113 * S T R U C T S / T Y P E D E F S
114 *----------------------------------------------------------------------------*/
115 /* SCSI inquiry data */
116 struct inquiry_data
{
117 u8 inqd_pdt
; /* Peripheral qualifier | Peripheral Device Type */
118 u8 inqd_dtq
; /* RMB | Device Type Qualifier */
119 u8 inqd_ver
; /* ISO version | ECMA version | ANSI-approved version */
120 u8 inqd_rdf
; /* AENC | TrmIOP | Response data format */
121 u8 inqd_len
; /* Additional length (n-4) */
122 u8 inqd_pad1
[2];/* Reserved - must be zero */
123 u8 inqd_pad2
; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
124 u8 inqd_vid
[8]; /* Vendor ID */
125 u8 inqd_pid
[16];/* Product ID */
126 u8 inqd_prl
[4]; /* Product Revision Level */
130 * M O D U L E G L O B A L S
133 static unsigned long aac_build_sg(struct scsi_cmnd
* scsicmd
, struct sgmap
* sgmap
);
134 static unsigned long aac_build_sg64(struct scsi_cmnd
* scsicmd
, struct sgmap64
* psg
);
135 static unsigned long aac_build_sgraw(struct scsi_cmnd
* scsicmd
, struct sgmapraw
* psg
);
136 static int aac_send_srb_fib(struct scsi_cmnd
* scsicmd
);
137 #ifdef AAC_DETAILED_STATUS_INFO
138 static char *aac_get_status_string(u32 status
);
142 * Non dasd selection is handled entirely in aachba now
145 static int nondasd
= -1;
146 static int aac_cache
= 2; /* WCE=0 to avoid performance problems */
147 static int dacmode
= -1;
150 int startup_timeout
= 180;
151 int aif_timeout
= 120;
153 module_param(nondasd
, int, S_IRUGO
|S_IWUSR
);
154 MODULE_PARM_DESC(nondasd
, "Control scanning of hba for nondasd devices."
156 module_param_named(cache
, aac_cache
, int, S_IRUGO
|S_IWUSR
);
157 MODULE_PARM_DESC(cache
, "Disable Queue Flush commands:\n"
158 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
159 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
160 "\tbit 2 - Disable only if Battery is protecting Cache");
161 module_param(dacmode
, int, S_IRUGO
|S_IWUSR
);
162 MODULE_PARM_DESC(dacmode
, "Control whether dma addressing is using 64 bit DAC."
164 module_param_named(commit
, aac_commit
, int, S_IRUGO
|S_IWUSR
);
165 MODULE_PARM_DESC(commit
, "Control whether a COMMIT_CONFIG is issued to the"
166 " adapter for foreign arrays.\n"
167 "This is typically needed in systems that do not have a BIOS."
169 module_param_named(msi
, aac_msi
, int, S_IRUGO
|S_IWUSR
);
170 MODULE_PARM_DESC(msi
, "IRQ handling."
171 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
172 module_param(startup_timeout
, int, S_IRUGO
|S_IWUSR
);
173 MODULE_PARM_DESC(startup_timeout
, "The duration of time in seconds to wait for"
174 " adapter to have it's kernel up and\n"
175 "running. This is typically adjusted for large systems that do not"
177 module_param(aif_timeout
, int, S_IRUGO
|S_IWUSR
);
178 MODULE_PARM_DESC(aif_timeout
, "The duration of time in seconds to wait for"
179 " applications to pick up AIFs before\n"
180 "deregistering them. This is typically adjusted for heavily burdened"
184 module_param(numacb
, int, S_IRUGO
|S_IWUSR
);
185 MODULE_PARM_DESC(numacb
, "Request a limit to the number of adapter control"
186 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
187 " to use suggestion from Firmware.");
190 module_param(acbsize
, int, S_IRUGO
|S_IWUSR
);
191 MODULE_PARM_DESC(acbsize
, "Request a specific adapter control block (FIB)"
192 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
193 " suggestion from Firmware.");
195 int update_interval
= 30 * 60;
196 module_param(update_interval
, int, S_IRUGO
|S_IWUSR
);
197 MODULE_PARM_DESC(update_interval
, "Interval in seconds between time sync"
198 " updates issued to adapter.");
200 int check_interval
= 24 * 60 * 60;
201 module_param(check_interval
, int, S_IRUGO
|S_IWUSR
);
202 MODULE_PARM_DESC(check_interval
, "Interval in seconds between adapter health"
205 int aac_check_reset
= 1;
206 module_param_named(check_reset
, aac_check_reset
, int, S_IRUGO
|S_IWUSR
);
207 MODULE_PARM_DESC(check_reset
, "If adapter fails health check, reset the"
208 " adapter. a value of -1 forces the reset to adapters programmed to"
211 int expose_physicals
= -1;
212 module_param(expose_physicals
, int, S_IRUGO
|S_IWUSR
);
213 MODULE_PARM_DESC(expose_physicals
, "Expose physical components of the arrays."
214 " -1=protect 0=off, 1=on");
216 int aac_reset_devices
;
217 module_param_named(reset_devices
, aac_reset_devices
, int, S_IRUGO
|S_IWUSR
);
218 MODULE_PARM_DESC(reset_devices
, "Force an adapter reset at initialization.");
221 module_param_named(wwn
, aac_wwn
, int, S_IRUGO
|S_IWUSR
);
222 MODULE_PARM_DESC(wwn
, "Select a WWN type for the arrays:\n"
224 "\t1 - Array Meta Data Signature (default)\n"
225 "\t2 - Adapter Serial Number");
228 static inline int aac_valid_context(struct scsi_cmnd
*scsicmd
,
229 struct fib
*fibptr
) {
230 struct scsi_device
*device
;
232 if (unlikely(!scsicmd
|| !scsicmd
->scsi_done
)) {
233 dprintk((KERN_WARNING
"aac_valid_context: scsi command corrupt\n"));
234 aac_fib_complete(fibptr
);
235 aac_fib_free(fibptr
);
238 scsicmd
->SCp
.phase
= AAC_OWNER_MIDLEVEL
;
239 device
= scsicmd
->device
;
240 if (unlikely(!device
|| !scsi_device_online(device
))) {
241 dprintk((KERN_WARNING
"aac_valid_context: scsi device corrupt\n"));
242 aac_fib_complete(fibptr
);
243 aac_fib_free(fibptr
);
250 * aac_get_config_status - check the adapter configuration
251 * @common: adapter to query
253 * Query config status, and commit the configuration if needed.
255 int aac_get_config_status(struct aac_dev
*dev
, int commit_flag
)
260 if (!(fibptr
= aac_fib_alloc(dev
)))
263 aac_fib_init(fibptr
);
265 struct aac_get_config_status
*dinfo
;
266 dinfo
= (struct aac_get_config_status
*) fib_data(fibptr
);
268 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
269 dinfo
->type
= cpu_to_le32(CT_GET_CONFIG_STATUS
);
270 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_config_status_resp
*)NULL
)->data
));
273 status
= aac_fib_send(ContainerCommand
,
275 sizeof (struct aac_get_config_status
),
280 printk(KERN_WARNING
"aac_get_config_status: SendFIB failed.\n");
282 struct aac_get_config_status_resp
*reply
283 = (struct aac_get_config_status_resp
*) fib_data(fibptr
);
284 dprintk((KERN_WARNING
285 "aac_get_config_status: response=%d status=%d action=%d\n",
286 le32_to_cpu(reply
->response
),
287 le32_to_cpu(reply
->status
),
288 le32_to_cpu(reply
->data
.action
)));
289 if ((le32_to_cpu(reply
->response
) != ST_OK
) ||
290 (le32_to_cpu(reply
->status
) != CT_OK
) ||
291 (le32_to_cpu(reply
->data
.action
) > CFACT_PAUSE
)) {
292 printk(KERN_WARNING
"aac_get_config_status: Will not issue the Commit Configuration\n");
296 aac_fib_complete(fibptr
);
297 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
299 if ((aac_commit
== 1) || commit_flag
) {
300 struct aac_commit_config
* dinfo
;
301 aac_fib_init(fibptr
);
302 dinfo
= (struct aac_commit_config
*) fib_data(fibptr
);
304 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
305 dinfo
->type
= cpu_to_le32(CT_COMMIT_CONFIG
);
307 status
= aac_fib_send(ContainerCommand
,
309 sizeof (struct aac_commit_config
),
313 aac_fib_complete(fibptr
);
314 } else if (aac_commit
== 0) {
316 "aac_get_config_status: Foreign device configurations are being ignored\n");
319 aac_fib_free(fibptr
);
324 * aac_get_containers - list containers
325 * @common: adapter to probe
327 * Make a list of all containers on this controller
329 int aac_get_containers(struct aac_dev
*dev
)
331 struct fsa_dev_info
*fsa_dev_ptr
;
335 struct aac_get_container_count
*dinfo
;
336 struct aac_get_container_count_resp
*dresp
;
337 int maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
339 if (!(fibptr
= aac_fib_alloc(dev
)))
342 aac_fib_init(fibptr
);
343 dinfo
= (struct aac_get_container_count
*) fib_data(fibptr
);
344 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
345 dinfo
->type
= cpu_to_le32(CT_GET_CONTAINER_COUNT
);
347 status
= aac_fib_send(ContainerCommand
,
349 sizeof (struct aac_get_container_count
),
354 dresp
= (struct aac_get_container_count_resp
*)fib_data(fibptr
);
355 maximum_num_containers
= le32_to_cpu(dresp
->ContainerSwitchEntries
);
356 aac_fib_complete(fibptr
);
358 aac_fib_free(fibptr
);
360 if (maximum_num_containers
< MAXIMUM_NUM_CONTAINERS
)
361 maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
362 fsa_dev_ptr
= kzalloc(sizeof(*fsa_dev_ptr
) * maximum_num_containers
,
367 dev
->fsa_dev
= fsa_dev_ptr
;
368 dev
->maximum_num_containers
= maximum_num_containers
;
370 for (index
= 0; index
< dev
->maximum_num_containers
; ) {
371 fsa_dev_ptr
[index
].devname
[0] = '\0';
373 status
= aac_probe_container(dev
, index
);
376 printk(KERN_WARNING
"aac_get_containers: SendFIB failed.\n");
381 * If there are no more containers, then stop asking.
383 if (++index
>= status
)
389 static void get_container_name_callback(void *context
, struct fib
* fibptr
)
391 struct aac_get_name_resp
* get_name_reply
;
392 struct scsi_cmnd
* scsicmd
;
394 scsicmd
= (struct scsi_cmnd
*) context
;
396 if (!aac_valid_context(scsicmd
, fibptr
))
399 dprintk((KERN_DEBUG
"get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies
));
400 BUG_ON(fibptr
== NULL
);
402 get_name_reply
= (struct aac_get_name_resp
*) fib_data(fibptr
);
403 /* Failure is irrelevant, using default value instead */
404 if ((le32_to_cpu(get_name_reply
->status
) == CT_OK
)
405 && (get_name_reply
->data
[0] != '\0')) {
406 char *sp
= get_name_reply
->data
;
407 sp
[sizeof(((struct aac_get_name_resp
*)NULL
)->data
)-1] = '\0';
411 struct inquiry_data inq
;
412 char d
[sizeof(((struct inquiry_data
*)NULL
)->inqd_pid
)];
413 int count
= sizeof(d
);
416 *dp
++ = (*sp
) ? *sp
++ : ' ';
417 } while (--count
> 0);
419 scsi_sg_copy_to_buffer(scsicmd
, &inq
, sizeof(inq
));
420 memcpy(inq
.inqd_pid
, d
, sizeof(d
));
421 scsi_sg_copy_from_buffer(scsicmd
, &inq
, sizeof(inq
));
425 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
427 aac_fib_complete(fibptr
);
428 aac_fib_free(fibptr
);
429 scsicmd
->scsi_done(scsicmd
);
433 * aac_get_container_name - get container name, none blocking.
435 static int aac_get_container_name(struct scsi_cmnd
* scsicmd
)
438 struct aac_get_name
*dinfo
;
439 struct fib
* cmd_fibcontext
;
440 struct aac_dev
* dev
;
442 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
444 if (!(cmd_fibcontext
= aac_fib_alloc(dev
)))
447 aac_fib_init(cmd_fibcontext
);
448 dinfo
= (struct aac_get_name
*) fib_data(cmd_fibcontext
);
450 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
451 dinfo
->type
= cpu_to_le32(CT_READ_NAME
);
452 dinfo
->cid
= cpu_to_le32(scmd_id(scsicmd
));
453 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_name_resp
*)NULL
)->data
));
455 status
= aac_fib_send(ContainerCommand
,
457 sizeof (struct aac_get_name
),
460 (fib_callback
)get_container_name_callback
,
464 * Check that the command queued to the controller
466 if (status
== -EINPROGRESS
) {
467 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
471 printk(KERN_WARNING
"aac_get_container_name: aac_fib_send failed with status: %d.\n", status
);
472 aac_fib_complete(cmd_fibcontext
);
473 aac_fib_free(cmd_fibcontext
);
477 static int aac_probe_container_callback2(struct scsi_cmnd
* scsicmd
)
479 struct fsa_dev_info
*fsa_dev_ptr
= ((struct aac_dev
*)(scsicmd
->device
->host
->hostdata
))->fsa_dev
;
481 if ((fsa_dev_ptr
[scmd_id(scsicmd
)].valid
& 1))
482 return aac_scsi_cmd(scsicmd
);
484 scsicmd
->result
= DID_NO_CONNECT
<< 16;
485 scsicmd
->scsi_done(scsicmd
);
489 static void _aac_probe_container2(void * context
, struct fib
* fibptr
)
491 struct fsa_dev_info
*fsa_dev_ptr
;
492 int (*callback
)(struct scsi_cmnd
*);
493 struct scsi_cmnd
* scsicmd
= (struct scsi_cmnd
*)context
;
496 if (!aac_valid_context(scsicmd
, fibptr
))
499 scsicmd
->SCp
.Status
= 0;
500 fsa_dev_ptr
= fibptr
->dev
->fsa_dev
;
502 struct aac_mount
* dresp
= (struct aac_mount
*) fib_data(fibptr
);
503 fsa_dev_ptr
+= scmd_id(scsicmd
);
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 fsa_dev_ptr
->valid
= 1;
509 /* sense_key holds the current state of the spin-up */
510 if (dresp
->mnt
[0].state
& cpu_to_le32(FSCS_NOT_READY
))
511 fsa_dev_ptr
->sense_data
.sense_key
= NOT_READY
;
512 else if (fsa_dev_ptr
->sense_data
.sense_key
== NOT_READY
)
513 fsa_dev_ptr
->sense_data
.sense_key
= NO_SENSE
;
514 fsa_dev_ptr
->type
= le32_to_cpu(dresp
->mnt
[0].vol
);
516 = ((u64
)le32_to_cpu(dresp
->mnt
[0].capacity
)) +
517 (((u64
)le32_to_cpu(dresp
->mnt
[0].capacityhigh
)) << 32);
518 fsa_dev_ptr
->ro
= ((le32_to_cpu(dresp
->mnt
[0].state
) & FSCS_READONLY
) != 0);
520 if ((fsa_dev_ptr
->valid
& 1) == 0)
521 fsa_dev_ptr
->valid
= 0;
522 scsicmd
->SCp
.Status
= le32_to_cpu(dresp
->count
);
524 aac_fib_complete(fibptr
);
525 aac_fib_free(fibptr
);
526 callback
= (int (*)(struct scsi_cmnd
*))(scsicmd
->SCp
.ptr
);
527 scsicmd
->SCp
.ptr
= NULL
;
528 (*callback
)(scsicmd
);
532 static void _aac_probe_container1(void * context
, struct fib
* fibptr
)
534 struct scsi_cmnd
* scsicmd
;
535 struct aac_mount
* dresp
;
536 struct aac_query_mount
*dinfo
;
539 dresp
= (struct aac_mount
*) fib_data(fibptr
);
540 dresp
->mnt
[0].capacityhigh
= 0;
541 if ((le32_to_cpu(dresp
->status
) != ST_OK
) ||
542 (le32_to_cpu(dresp
->mnt
[0].vol
) != CT_NONE
)) {
543 _aac_probe_container2(context
, fibptr
);
546 scsicmd
= (struct scsi_cmnd
*) context
;
548 if (!aac_valid_context(scsicmd
, fibptr
))
551 aac_fib_init(fibptr
);
553 dinfo
= (struct aac_query_mount
*)fib_data(fibptr
);
555 dinfo
->command
= cpu_to_le32(VM_NameServe64
);
556 dinfo
->count
= cpu_to_le32(scmd_id(scsicmd
));
557 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
559 status
= aac_fib_send(ContainerCommand
,
561 sizeof(struct aac_query_mount
),
564 _aac_probe_container2
,
567 * Check that the command queued to the controller
569 if (status
== -EINPROGRESS
)
570 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
571 else if (status
< 0) {
572 /* Inherit results from VM_NameServe, if any */
573 dresp
->status
= cpu_to_le32(ST_OK
);
574 _aac_probe_container2(context
, fibptr
);
578 static int _aac_probe_container(struct scsi_cmnd
* scsicmd
, int (*callback
)(struct scsi_cmnd
*))
581 int status
= -ENOMEM
;
583 if ((fibptr
= aac_fib_alloc((struct aac_dev
*)scsicmd
->device
->host
->hostdata
))) {
584 struct aac_query_mount
*dinfo
;
586 aac_fib_init(fibptr
);
588 dinfo
= (struct aac_query_mount
*)fib_data(fibptr
);
590 dinfo
->command
= cpu_to_le32(VM_NameServe
);
591 dinfo
->count
= cpu_to_le32(scmd_id(scsicmd
));
592 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
593 scsicmd
->SCp
.ptr
= (char *)callback
;
595 status
= aac_fib_send(ContainerCommand
,
597 sizeof(struct aac_query_mount
),
600 _aac_probe_container1
,
603 * Check that the command queued to the controller
605 if (status
== -EINPROGRESS
) {
606 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
610 scsicmd
->SCp
.ptr
= NULL
;
611 aac_fib_complete(fibptr
);
612 aac_fib_free(fibptr
);
616 struct fsa_dev_info
*fsa_dev_ptr
= ((struct aac_dev
*)(scsicmd
->device
->host
->hostdata
))->fsa_dev
;
618 fsa_dev_ptr
+= scmd_id(scsicmd
);
619 if ((fsa_dev_ptr
->valid
& 1) == 0) {
620 fsa_dev_ptr
->valid
= 0;
621 return (*callback
)(scsicmd
);
629 * aac_probe_container - query a logical volume
630 * @dev: device to query
631 * @cid: container identifier
633 * Queries the controller about the given volume. The volume information
634 * is updated in the struct fsa_dev_info structure rather than returned.
636 static int aac_probe_container_callback1(struct scsi_cmnd
* scsicmd
)
638 scsicmd
->device
= NULL
;
642 int aac_probe_container(struct aac_dev
*dev
, int cid
)
644 struct scsi_cmnd
*scsicmd
= kmalloc(sizeof(*scsicmd
), GFP_KERNEL
);
645 struct scsi_device
*scsidev
= kmalloc(sizeof(*scsidev
), GFP_KERNEL
);
648 if (!scsicmd
|| !scsidev
) {
653 scsicmd
->list
.next
= NULL
;
654 scsicmd
->scsi_done
= (void (*)(struct scsi_cmnd
*))aac_probe_container_callback1
;
656 scsicmd
->device
= scsidev
;
657 scsidev
->sdev_state
= 0;
659 scsidev
->host
= dev
->scsi_host_ptr
;
661 if (_aac_probe_container(scsicmd
, aac_probe_container_callback1
) == 0)
662 while (scsicmd
->device
== scsidev
)
665 status
= scsicmd
->SCp
.Status
;
670 /* Local Structure to set SCSI inquiry data strings */
672 char vid
[8]; /* Vendor ID */
673 char pid
[16]; /* Product ID */
674 char prl
[4]; /* Product Revision Level */
678 * InqStrCopy - string merge
679 * @a: string to copy from
680 * @b: string to copy to
682 * Copy a String from one location to another
686 static void inqstrcpy(char *a
, char *b
)
689 while (*a
!= (char)0)
693 static char *container_types
[] = {
717 char * get_container_type(unsigned tindex
)
719 if (tindex
>= ARRAY_SIZE(container_types
))
720 tindex
= ARRAY_SIZE(container_types
) - 1;
721 return container_types
[tindex
];
724 /* Function: setinqstr
726 * Arguments: [1] pointer to void [1] int
728 * Purpose: Sets SCSI inquiry data strings for vendor, product
729 * and revision level. Allows strings to be set in platform dependant
730 * files instead of in OS dependant driver source.
733 static void setinqstr(struct aac_dev
*dev
, void *data
, int tindex
)
735 struct scsi_inq
*str
;
737 str
= (struct scsi_inq
*)(data
); /* cast data to scsi inq block */
738 memset(str
, ' ', sizeof(*str
));
740 if (dev
->supplement_adapter_info
.AdapterTypeText
[0]) {
741 char * cp
= dev
->supplement_adapter_info
.AdapterTypeText
;
743 if ((cp
[0] == 'A') && (cp
[1] == 'O') && (cp
[2] == 'C'))
744 inqstrcpy("SMC", str
->vid
);
746 c
= sizeof(str
->vid
);
747 while (*cp
&& *cp
!= ' ' && --c
)
751 inqstrcpy (dev
->supplement_adapter_info
.AdapterTypeText
,
754 while (*cp
&& *cp
!= ' ')
759 /* last six chars reserved for vol type */
761 if (strlen(cp
) > sizeof(str
->pid
)) {
762 c
= cp
[sizeof(str
->pid
)];
763 cp
[sizeof(str
->pid
)] = '\0';
765 inqstrcpy (cp
, str
->pid
);
767 cp
[sizeof(str
->pid
)] = c
;
769 struct aac_driver_ident
*mp
= aac_get_driver_ident(dev
->cardtype
);
771 inqstrcpy (mp
->vname
, str
->vid
);
772 /* last six chars reserved for vol type */
773 inqstrcpy (mp
->model
, str
->pid
);
776 if (tindex
< ARRAY_SIZE(container_types
)){
777 char *findit
= str
->pid
;
779 for ( ; *findit
!= ' '; findit
++); /* walk till we find a space */
780 /* RAID is superfluous in the context of a RAID device */
781 if (memcmp(findit
-4, "RAID", 4) == 0)
782 *(findit
-= 4) = ' ';
783 if (((findit
- str
->pid
) + strlen(container_types
[tindex
]))
784 < (sizeof(str
->pid
) + sizeof(str
->prl
)))
785 inqstrcpy (container_types
[tindex
], findit
+ 1);
787 inqstrcpy ("V1.0", str
->prl
);
790 static void get_container_serial_callback(void *context
, struct fib
* fibptr
)
792 struct aac_get_serial_resp
* get_serial_reply
;
793 struct scsi_cmnd
* scsicmd
;
795 BUG_ON(fibptr
== NULL
);
797 scsicmd
= (struct scsi_cmnd
*) context
;
798 if (!aac_valid_context(scsicmd
, fibptr
))
801 get_serial_reply
= (struct aac_get_serial_resp
*) fib_data(fibptr
);
802 /* Failure is irrelevant, using default value instead */
803 if (le32_to_cpu(get_serial_reply
->status
) == CT_OK
) {
807 sp
[1] = scsicmd
->cmnd
[2];
809 sp
[3] = snprintf(sp
+4, sizeof(sp
)-4, "%08X",
810 le32_to_cpu(get_serial_reply
->uid
));
811 scsi_sg_copy_from_buffer(scsicmd
, sp
, sizeof(sp
));
814 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
816 aac_fib_complete(fibptr
);
817 aac_fib_free(fibptr
);
818 scsicmd
->scsi_done(scsicmd
);
822 * aac_get_container_serial - get container serial, none blocking.
824 static int aac_get_container_serial(struct scsi_cmnd
* scsicmd
)
827 struct aac_get_serial
*dinfo
;
828 struct fib
* cmd_fibcontext
;
829 struct aac_dev
* dev
;
831 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
833 if (!(cmd_fibcontext
= aac_fib_alloc(dev
)))
836 aac_fib_init(cmd_fibcontext
);
837 dinfo
= (struct aac_get_serial
*) fib_data(cmd_fibcontext
);
839 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
840 dinfo
->type
= cpu_to_le32(CT_CID_TO_32BITS_UID
);
841 dinfo
->cid
= cpu_to_le32(scmd_id(scsicmd
));
843 status
= aac_fib_send(ContainerCommand
,
845 sizeof (struct aac_get_serial
),
848 (fib_callback
) get_container_serial_callback
,
852 * Check that the command queued to the controller
854 if (status
== -EINPROGRESS
) {
855 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
859 printk(KERN_WARNING
"aac_get_container_serial: aac_fib_send failed with status: %d.\n", status
);
860 aac_fib_complete(cmd_fibcontext
);
861 aac_fib_free(cmd_fibcontext
);
865 /* Function: setinqserial
867 * Arguments: [1] pointer to void [1] int
869 * Purpose: Sets SCSI Unit Serial number.
870 * This is a fake. We should read a proper
871 * serial number from the container. <SuSE>But
872 * without docs it's quite hard to do it :-)
873 * So this will have to do in the meantime.</SuSE>
876 static int setinqserial(struct aac_dev
*dev
, void *data
, int cid
)
879 * This breaks array migration.
881 return snprintf((char *)(data
), sizeof(struct scsi_inq
) - 4, "%08X%02X",
882 le32_to_cpu(dev
->adapter_info
.serial
[0]), cid
);
885 static inline void set_sense(struct sense_data
*sense_data
, u8 sense_key
,
886 u8 sense_code
, u8 a_sense_code
, u8 bit_pointer
, u16 field_pointer
)
888 u8
*sense_buf
= (u8
*)sense_data
;
889 /* Sense data valid, err code 70h */
890 sense_buf
[0] = 0x70; /* No info field */
891 sense_buf
[1] = 0; /* Segment number, always zero */
893 sense_buf
[2] = sense_key
; /* Sense key */
895 sense_buf
[12] = sense_code
; /* Additional sense code */
896 sense_buf
[13] = a_sense_code
; /* Additional sense code qualifier */
898 if (sense_key
== ILLEGAL_REQUEST
) {
899 sense_buf
[7] = 10; /* Additional sense length */
901 sense_buf
[15] = bit_pointer
;
902 /* Illegal parameter is in the parameter block */
903 if (sense_code
== SENCODE_INVALID_CDB_FIELD
)
904 sense_buf
[15] |= 0xc0;/* Std sense key specific field */
905 /* Illegal parameter is in the CDB block */
906 sense_buf
[16] = field_pointer
>> 8; /* MSB */
907 sense_buf
[17] = field_pointer
; /* LSB */
909 sense_buf
[7] = 6; /* Additional sense length */
912 static int aac_bounds_32(struct aac_dev
* dev
, struct scsi_cmnd
* cmd
, u64 lba
)
914 if (lba
& 0xffffffff00000000LL
) {
915 int cid
= scmd_id(cmd
);
916 dprintk((KERN_DEBUG
"aacraid: Illegal lba\n"));
917 cmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
918 SAM_STAT_CHECK_CONDITION
;
919 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
920 HARDWARE_ERROR
, SENCODE_INTERNAL_TARGET_FAILURE
,
921 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0);
922 memcpy(cmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
923 min_t(size_t, sizeof(dev
->fsa_dev
[cid
].sense_data
),
924 SCSI_SENSE_BUFFERSIZE
));
931 static int aac_bounds_64(struct aac_dev
* dev
, struct scsi_cmnd
* cmd
, u64 lba
)
936 static void io_callback(void *context
, struct fib
* fibptr
);
938 static int aac_read_raw_io(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
941 struct aac_raw_io
*readcmd
;
943 readcmd
= (struct aac_raw_io
*) fib_data(fib
);
944 readcmd
->block
[0] = cpu_to_le32((u32
)(lba
&0xffffffff));
945 readcmd
->block
[1] = cpu_to_le32((u32
)((lba
&0xffffffff00000000LL
)>>32));
946 readcmd
->count
= cpu_to_le32(count
<<9);
947 readcmd
->cid
= cpu_to_le16(scmd_id(cmd
));
948 readcmd
->flags
= cpu_to_le16(IO_TYPE_READ
);
949 readcmd
->bpTotal
= 0;
950 readcmd
->bpComplete
= 0;
952 aac_build_sgraw(cmd
, &readcmd
->sg
);
953 fibsize
= sizeof(struct aac_raw_io
) + ((le32_to_cpu(readcmd
->sg
.count
) - 1) * sizeof (struct sgentryraw
));
954 BUG_ON(fibsize
> (fib
->dev
->max_fib_size
- sizeof(struct aac_fibhdr
)));
956 * Now send the Fib to the adapter
958 return aac_fib_send(ContainerRawIo
,
963 (fib_callback
) io_callback
,
967 static int aac_read_block64(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
970 struct aac_read64
*readcmd
;
972 readcmd
= (struct aac_read64
*) fib_data(fib
);
973 readcmd
->command
= cpu_to_le32(VM_CtHostRead64
);
974 readcmd
->cid
= cpu_to_le16(scmd_id(cmd
));
975 readcmd
->sector_count
= cpu_to_le16(count
);
976 readcmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
980 aac_build_sg64(cmd
, &readcmd
->sg
);
981 fibsize
= sizeof(struct aac_read64
) +
982 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
983 sizeof (struct sgentry64
));
984 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
985 sizeof(struct aac_fibhdr
)));
987 * Now send the Fib to the adapter
989 return aac_fib_send(ContainerCommand64
,
994 (fib_callback
) io_callback
,
998 static int aac_read_block(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
1001 struct aac_read
*readcmd
;
1003 readcmd
= (struct aac_read
*) fib_data(fib
);
1004 readcmd
->command
= cpu_to_le32(VM_CtBlockRead
);
1005 readcmd
->cid
= cpu_to_le32(scmd_id(cmd
));
1006 readcmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
1007 readcmd
->count
= cpu_to_le32(count
* 512);
1009 aac_build_sg(cmd
, &readcmd
->sg
);
1010 fibsize
= sizeof(struct aac_read
) +
1011 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
1012 sizeof (struct sgentry
));
1013 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1014 sizeof(struct aac_fibhdr
)));
1016 * Now send the Fib to the adapter
1018 return aac_fib_send(ContainerCommand
,
1023 (fib_callback
) io_callback
,
1027 static int aac_write_raw_io(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1030 struct aac_raw_io
*writecmd
;
1032 writecmd
= (struct aac_raw_io
*) fib_data(fib
);
1033 writecmd
->block
[0] = cpu_to_le32((u32
)(lba
&0xffffffff));
1034 writecmd
->block
[1] = cpu_to_le32((u32
)((lba
&0xffffffff00000000LL
)>>32));
1035 writecmd
->count
= cpu_to_le32(count
<<9);
1036 writecmd
->cid
= cpu_to_le16(scmd_id(cmd
));
1037 writecmd
->flags
= (fua
&& ((aac_cache
& 5) != 1) &&
1038 (((aac_cache
& 5) != 5) || !fib
->dev
->cache_protected
)) ?
1039 cpu_to_le16(IO_TYPE_WRITE
|IO_SUREWRITE
) :
1040 cpu_to_le16(IO_TYPE_WRITE
);
1041 writecmd
->bpTotal
= 0;
1042 writecmd
->bpComplete
= 0;
1044 aac_build_sgraw(cmd
, &writecmd
->sg
);
1045 fibsize
= sizeof(struct aac_raw_io
) + ((le32_to_cpu(writecmd
->sg
.count
) - 1) * sizeof (struct sgentryraw
));
1046 BUG_ON(fibsize
> (fib
->dev
->max_fib_size
- sizeof(struct aac_fibhdr
)));
1048 * Now send the Fib to the adapter
1050 return aac_fib_send(ContainerRawIo
,
1055 (fib_callback
) io_callback
,
1059 static int aac_write_block64(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1062 struct aac_write64
*writecmd
;
1064 writecmd
= (struct aac_write64
*) fib_data(fib
);
1065 writecmd
->command
= cpu_to_le32(VM_CtHostWrite64
);
1066 writecmd
->cid
= cpu_to_le16(scmd_id(cmd
));
1067 writecmd
->sector_count
= cpu_to_le16(count
);
1068 writecmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
1070 writecmd
->flags
= 0;
1072 aac_build_sg64(cmd
, &writecmd
->sg
);
1073 fibsize
= sizeof(struct aac_write64
) +
1074 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1075 sizeof (struct sgentry64
));
1076 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1077 sizeof(struct aac_fibhdr
)));
1079 * Now send the Fib to the adapter
1081 return aac_fib_send(ContainerCommand64
,
1086 (fib_callback
) io_callback
,
1090 static int aac_write_block(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1093 struct aac_write
*writecmd
;
1095 writecmd
= (struct aac_write
*) fib_data(fib
);
1096 writecmd
->command
= cpu_to_le32(VM_CtBlockWrite
);
1097 writecmd
->cid
= cpu_to_le32(scmd_id(cmd
));
1098 writecmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
1099 writecmd
->count
= cpu_to_le32(count
* 512);
1100 writecmd
->sg
.count
= cpu_to_le32(1);
1101 /* ->stable is not used - it did mean which type of write */
1103 aac_build_sg(cmd
, &writecmd
->sg
);
1104 fibsize
= sizeof(struct aac_write
) +
1105 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1106 sizeof (struct sgentry
));
1107 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1108 sizeof(struct aac_fibhdr
)));
1110 * Now send the Fib to the adapter
1112 return aac_fib_send(ContainerCommand
,
1117 (fib_callback
) io_callback
,
1121 static struct aac_srb
* aac_scsi_common(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1123 struct aac_srb
* srbcmd
;
1128 switch(cmd
->sc_data_direction
){
1132 case DMA_BIDIRECTIONAL
:
1133 flag
= SRB_DataIn
| SRB_DataOut
;
1135 case DMA_FROM_DEVICE
:
1139 default: /* shuts up some versions of gcc */
1140 flag
= SRB_NoDataXfer
;
1144 srbcmd
= (struct aac_srb
*) fib_data(fib
);
1145 srbcmd
->function
= cpu_to_le32(SRBF_ExecuteScsi
);
1146 srbcmd
->channel
= cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd
)));
1147 srbcmd
->id
= cpu_to_le32(scmd_id(cmd
));
1148 srbcmd
->lun
= cpu_to_le32(cmd
->device
->lun
);
1149 srbcmd
->flags
= cpu_to_le32(flag
);
1150 timeout
= cmd
->request
->timeout
/HZ
;
1153 srbcmd
->timeout
= cpu_to_le32(timeout
); // timeout in seconds
1154 srbcmd
->retry_limit
= 0; /* Obsolete parameter */
1155 srbcmd
->cdb_size
= cpu_to_le32(cmd
->cmd_len
);
1159 static void aac_srb_callback(void *context
, struct fib
* fibptr
);
1161 static int aac_scsi_64(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1164 struct aac_srb
* srbcmd
= aac_scsi_common(fib
, cmd
);
1166 aac_build_sg64(cmd
, (struct sgmap64
*) &srbcmd
->sg
);
1167 srbcmd
->count
= cpu_to_le32(scsi_bufflen(cmd
));
1169 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1170 memcpy(srbcmd
->cdb
, cmd
->cmnd
, cmd
->cmd_len
);
1172 * Build Scatter/Gather list
1174 fibsize
= sizeof (struct aac_srb
) - sizeof (struct sgentry
) +
1175 ((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) *
1176 sizeof (struct sgentry64
));
1177 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1178 sizeof(struct aac_fibhdr
)));
1181 * Now send the Fib to the adapter
1183 return aac_fib_send(ScsiPortCommand64
, fib
,
1184 fibsize
, FsaNormal
, 0, 1,
1185 (fib_callback
) aac_srb_callback
,
1189 static int aac_scsi_32(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1192 struct aac_srb
* srbcmd
= aac_scsi_common(fib
, cmd
);
1194 aac_build_sg(cmd
, (struct sgmap
*)&srbcmd
->sg
);
1195 srbcmd
->count
= cpu_to_le32(scsi_bufflen(cmd
));
1197 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1198 memcpy(srbcmd
->cdb
, cmd
->cmnd
, cmd
->cmd_len
);
1200 * Build Scatter/Gather list
1202 fibsize
= sizeof (struct aac_srb
) +
1203 (((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) - 1) *
1204 sizeof (struct sgentry
));
1205 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1206 sizeof(struct aac_fibhdr
)));
1209 * Now send the Fib to the adapter
1211 return aac_fib_send(ScsiPortCommand
, fib
, fibsize
, FsaNormal
, 0, 1,
1212 (fib_callback
) aac_srb_callback
, (void *) cmd
);
1215 static int aac_scsi_32_64(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1217 if ((sizeof(dma_addr_t
) > 4) && fib
->dev
->needs_dac
&&
1218 (fib
->dev
->adapter_info
.options
& AAC_OPT_SGMAP_HOST64
))
1220 return aac_scsi_32(fib
, cmd
);
1223 int aac_get_adapter_info(struct aac_dev
* dev
)
1228 struct aac_adapter_info
*info
;
1229 struct aac_bus_info
*command
;
1230 struct aac_bus_info_response
*bus_info
;
1232 if (!(fibptr
= aac_fib_alloc(dev
)))
1235 aac_fib_init(fibptr
);
1236 info
= (struct aac_adapter_info
*) fib_data(fibptr
);
1237 memset(info
,0,sizeof(*info
));
1239 rcode
= aac_fib_send(RequestAdapterInfo
,
1243 -1, 1, /* First `interrupt' command uses special wait */
1248 aac_fib_complete(fibptr
);
1249 aac_fib_free(fibptr
);
1252 memcpy(&dev
->adapter_info
, info
, sizeof(*info
));
1254 if (dev
->adapter_info
.options
& AAC_OPT_SUPPLEMENT_ADAPTER_INFO
) {
1255 struct aac_supplement_adapter_info
* sinfo
;
1257 aac_fib_init(fibptr
);
1259 sinfo
= (struct aac_supplement_adapter_info
*) fib_data(fibptr
);
1261 memset(sinfo
,0,sizeof(*sinfo
));
1263 rcode
= aac_fib_send(RequestSupplementAdapterInfo
,
1272 memcpy(&dev
->supplement_adapter_info
, sinfo
, sizeof(*sinfo
));
1280 aac_fib_init(fibptr
);
1282 bus_info
= (struct aac_bus_info_response
*) fib_data(fibptr
);
1284 memset(bus_info
, 0, sizeof(*bus_info
));
1286 command
= (struct aac_bus_info
*)bus_info
;
1288 command
->Command
= cpu_to_le32(VM_Ioctl
);
1289 command
->ObjType
= cpu_to_le32(FT_DRIVE
);
1290 command
->MethodId
= cpu_to_le32(1);
1291 command
->CtlCmd
= cpu_to_le32(GetBusInfo
);
1293 rcode
= aac_fib_send(ContainerCommand
,
1300 /* reasoned default */
1301 dev
->maximum_num_physicals
= 16;
1302 if (rcode
>= 0 && le32_to_cpu(bus_info
->Status
) == ST_OK
) {
1303 dev
->maximum_num_physicals
= le32_to_cpu(bus_info
->TargetsPerBus
);
1304 dev
->maximum_num_channels
= le32_to_cpu(bus_info
->BusCount
);
1307 if (!dev
->in_reset
) {
1309 tmp
= le32_to_cpu(dev
->adapter_info
.kernelrev
);
1310 printk(KERN_INFO
"%s%d: kernel %d.%d-%d[%d] %.*s\n",
1316 le32_to_cpu(dev
->adapter_info
.kernelbuild
),
1317 (int)sizeof(dev
->supplement_adapter_info
.BuildDate
),
1318 dev
->supplement_adapter_info
.BuildDate
);
1319 tmp
= le32_to_cpu(dev
->adapter_info
.monitorrev
);
1320 printk(KERN_INFO
"%s%d: monitor %d.%d-%d[%d]\n",
1322 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
1323 le32_to_cpu(dev
->adapter_info
.monitorbuild
));
1324 tmp
= le32_to_cpu(dev
->adapter_info
.biosrev
);
1325 printk(KERN_INFO
"%s%d: bios %d.%d-%d[%d]\n",
1327 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
1328 le32_to_cpu(dev
->adapter_info
.biosbuild
));
1330 if (aac_get_serial_number(
1331 shost_to_class(dev
->scsi_host_ptr
), buffer
))
1332 printk(KERN_INFO
"%s%d: serial %s",
1333 dev
->name
, dev
->id
, buffer
);
1334 if (dev
->supplement_adapter_info
.VpdInfo
.Tsid
[0]) {
1335 printk(KERN_INFO
"%s%d: TSID %.*s\n",
1337 (int)sizeof(dev
->supplement_adapter_info
.VpdInfo
.Tsid
),
1338 dev
->supplement_adapter_info
.VpdInfo
.Tsid
);
1340 if (!aac_check_reset
|| ((aac_check_reset
== 1) &&
1341 (dev
->supplement_adapter_info
.SupportedOptions2
&
1342 AAC_OPTION_IGNORE_RESET
))) {
1343 printk(KERN_INFO
"%s%d: Reset Adapter Ignored\n",
1344 dev
->name
, dev
->id
);
1348 dev
->cache_protected
= 0;
1349 dev
->jbod
= ((dev
->supplement_adapter_info
.FeatureBits
&
1350 AAC_FEATURE_JBOD
) != 0);
1351 dev
->nondasd_support
= 0;
1352 dev
->raid_scsi_mode
= 0;
1353 if(dev
->adapter_info
.options
& AAC_OPT_NONDASD
)
1354 dev
->nondasd_support
= 1;
1357 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1358 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1359 * force nondasd support on. If we decide to allow the non-dasd flag
1360 * additional changes changes will have to be made to support
1361 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1362 * changed to support the new dev->raid_scsi_mode flag instead of
1363 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1364 * function aac_detect will have to be modified where it sets up the
1365 * max number of channels based on the aac->nondasd_support flag only.
1367 if ((dev
->adapter_info
.options
& AAC_OPT_SCSI_MANAGED
) &&
1368 (dev
->adapter_info
.options
& AAC_OPT_RAID_SCSI_MODE
)) {
1369 dev
->nondasd_support
= 1;
1370 dev
->raid_scsi_mode
= 1;
1372 if (dev
->raid_scsi_mode
!= 0)
1373 printk(KERN_INFO
"%s%d: ROMB RAID/SCSI mode enabled\n",
1374 dev
->name
, dev
->id
);
1377 dev
->nondasd_support
= (nondasd
!=0);
1378 if (dev
->nondasd_support
&& !dev
->in_reset
)
1379 printk(KERN_INFO
"%s%d: Non-DASD support enabled.\n",dev
->name
, dev
->id
);
1381 if (dma_get_required_mask(&dev
->pdev
->dev
) > DMA_BIT_MASK(32))
1383 dev
->dac_support
= 0;
1384 if ((sizeof(dma_addr_t
) > 4) && dev
->needs_dac
&&
1385 (dev
->adapter_info
.options
& AAC_OPT_SGMAP_HOST64
)) {
1387 printk(KERN_INFO
"%s%d: 64bit support enabled.\n",
1388 dev
->name
, dev
->id
);
1389 dev
->dac_support
= 1;
1393 dev
->dac_support
= (dacmode
!=0);
1396 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1397 if (dev
->dac_support
&& (aac_get_driver_ident(dev
->cardtype
)->quirks
1398 & AAC_QUIRK_SCSI_32
)) {
1399 dev
->nondasd_support
= 0;
1401 expose_physicals
= 0;
1404 if(dev
->dac_support
!= 0) {
1405 if (!pci_set_dma_mask(dev
->pdev
, DMA_BIT_MASK(64)) &&
1406 !pci_set_consistent_dma_mask(dev
->pdev
, DMA_BIT_MASK(64))) {
1408 printk(KERN_INFO
"%s%d: 64 Bit DAC enabled\n",
1409 dev
->name
, dev
->id
);
1410 } else if (!pci_set_dma_mask(dev
->pdev
, DMA_BIT_MASK(32)) &&
1411 !pci_set_consistent_dma_mask(dev
->pdev
, DMA_BIT_MASK(32))) {
1412 printk(KERN_INFO
"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1413 dev
->name
, dev
->id
);
1414 dev
->dac_support
= 0;
1416 printk(KERN_WARNING
"%s%d: No suitable DMA available.\n",
1417 dev
->name
, dev
->id
);
1422 * Deal with configuring for the individualized limits of each packet
1425 dev
->a_ops
.adapter_scsi
= (dev
->dac_support
)
1426 ? ((aac_get_driver_ident(dev
->cardtype
)->quirks
& AAC_QUIRK_SCSI_32
)
1430 if (dev
->raw_io_interface
) {
1431 dev
->a_ops
.adapter_bounds
= (dev
->raw_io_64
)
1434 dev
->a_ops
.adapter_read
= aac_read_raw_io
;
1435 dev
->a_ops
.adapter_write
= aac_write_raw_io
;
1437 dev
->a_ops
.adapter_bounds
= aac_bounds_32
;
1438 dev
->scsi_host_ptr
->sg_tablesize
= (dev
->max_fib_size
-
1439 sizeof(struct aac_fibhdr
) -
1440 sizeof(struct aac_write
) + sizeof(struct sgentry
)) /
1441 sizeof(struct sgentry
);
1442 if (dev
->dac_support
) {
1443 dev
->a_ops
.adapter_read
= aac_read_block64
;
1444 dev
->a_ops
.adapter_write
= aac_write_block64
;
1446 * 38 scatter gather elements
1448 dev
->scsi_host_ptr
->sg_tablesize
=
1449 (dev
->max_fib_size
-
1450 sizeof(struct aac_fibhdr
) -
1451 sizeof(struct aac_write64
) +
1452 sizeof(struct sgentry64
)) /
1453 sizeof(struct sgentry64
);
1455 dev
->a_ops
.adapter_read
= aac_read_block
;
1456 dev
->a_ops
.adapter_write
= aac_write_block
;
1458 dev
->scsi_host_ptr
->max_sectors
= AAC_MAX_32BIT_SGBCOUNT
;
1459 if(!(dev
->adapter_info
.options
& AAC_OPT_NEW_COMM
)) {
1461 * Worst case size that could cause sg overflow when
1462 * we break up SG elements that are larger than 64KB.
1463 * Would be nice if we could tell the SCSI layer what
1464 * the maximum SG element size can be. Worst case is
1465 * (sg_tablesize-1) 4KB elements with one 64KB
1467 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1469 dev
->scsi_host_ptr
->max_sectors
=
1470 (dev
->scsi_host_ptr
->sg_tablesize
* 8) + 112;
1474 aac_fib_complete(fibptr
);
1475 aac_fib_free(fibptr
);
1481 static void io_callback(void *context
, struct fib
* fibptr
)
1483 struct aac_dev
*dev
;
1484 struct aac_read_reply
*readreply
;
1485 struct scsi_cmnd
*scsicmd
;
1488 scsicmd
= (struct scsi_cmnd
*) context
;
1490 if (!aac_valid_context(scsicmd
, fibptr
))
1494 cid
= scmd_id(scsicmd
);
1496 if (nblank(dprintk(x
))) {
1498 switch (scsicmd
->cmnd
[0]) {
1501 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) |
1502 (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1506 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1507 ((u64
)scsicmd
->cmnd
[3] << 48) |
1508 ((u64
)scsicmd
->cmnd
[4] << 40) |
1509 ((u64
)scsicmd
->cmnd
[5] << 32) |
1510 ((u64
)scsicmd
->cmnd
[6] << 24) |
1511 (scsicmd
->cmnd
[7] << 16) |
1512 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1516 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1517 (scsicmd
->cmnd
[3] << 16) |
1518 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1521 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1522 (scsicmd
->cmnd
[3] << 16) |
1523 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1527 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1528 smp_processor_id(), (unsigned long long)lba
, jiffies
);
1531 BUG_ON(fibptr
== NULL
);
1533 scsi_dma_unmap(scsicmd
);
1535 readreply
= (struct aac_read_reply
*)fib_data(fibptr
);
1536 switch (le32_to_cpu(readreply
->status
)) {
1538 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
1540 dev
->fsa_dev
[cid
].sense_data
.sense_key
= NO_SENSE
;
1543 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
1544 SAM_STAT_CHECK_CONDITION
;
1545 set_sense(&dev
->fsa_dev
[cid
].sense_data
, NOT_READY
,
1546 SENCODE_BECOMING_READY
, ASENCODE_BECOMING_READY
, 0, 0);
1547 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1548 min_t(size_t, sizeof(dev
->fsa_dev
[cid
].sense_data
),
1549 SCSI_SENSE_BUFFERSIZE
));
1552 #ifdef AAC_DETAILED_STATUS_INFO
1553 printk(KERN_WARNING
"io_callback: io failed, status = %d\n",
1554 le32_to_cpu(readreply
->status
));
1556 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
1557 SAM_STAT_CHECK_CONDITION
;
1558 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
1559 HARDWARE_ERROR
, SENCODE_INTERNAL_TARGET_FAILURE
,
1560 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0);
1561 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1562 min_t(size_t, sizeof(dev
->fsa_dev
[cid
].sense_data
),
1563 SCSI_SENSE_BUFFERSIZE
));
1566 aac_fib_complete(fibptr
);
1567 aac_fib_free(fibptr
);
1569 scsicmd
->scsi_done(scsicmd
);
1572 static int aac_read(struct scsi_cmnd
* scsicmd
)
1577 struct aac_dev
*dev
;
1578 struct fib
* cmd_fibcontext
;
1580 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1582 * Get block address and transfer length
1584 switch (scsicmd
->cmnd
[0]) {
1586 dprintk((KERN_DEBUG
"aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd
)));
1588 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) |
1589 (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1590 count
= scsicmd
->cmnd
[4];
1596 dprintk((KERN_DEBUG
"aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd
)));
1598 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1599 ((u64
)scsicmd
->cmnd
[3] << 48) |
1600 ((u64
)scsicmd
->cmnd
[4] << 40) |
1601 ((u64
)scsicmd
->cmnd
[5] << 32) |
1602 ((u64
)scsicmd
->cmnd
[6] << 24) |
1603 (scsicmd
->cmnd
[7] << 16) |
1604 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1605 count
= (scsicmd
->cmnd
[10] << 24) |
1606 (scsicmd
->cmnd
[11] << 16) |
1607 (scsicmd
->cmnd
[12] << 8) | scsicmd
->cmnd
[13];
1610 dprintk((KERN_DEBUG
"aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd
)));
1612 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1613 (scsicmd
->cmnd
[3] << 16) |
1614 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1615 count
= (scsicmd
->cmnd
[6] << 24) |
1616 (scsicmd
->cmnd
[7] << 16) |
1617 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1620 dprintk((KERN_DEBUG
"aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd
)));
1622 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1623 (scsicmd
->cmnd
[3] << 16) |
1624 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1625 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1628 dprintk((KERN_DEBUG
"aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1629 smp_processor_id(), (unsigned long long)lba
, jiffies
));
1630 if (aac_adapter_bounds(dev
,scsicmd
,lba
))
1633 * Alocate and initialize a Fib
1635 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
1639 status
= aac_adapter_read(cmd_fibcontext
, scsicmd
, lba
, count
);
1642 * Check that the command queued to the controller
1644 if (status
== -EINPROGRESS
) {
1645 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1649 printk(KERN_WARNING
"aac_read: aac_fib_send failed with status: %d.\n", status
);
1651 * For some reason, the Fib didn't queue, return QUEUE_FULL
1653 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1654 scsicmd
->scsi_done(scsicmd
);
1655 aac_fib_complete(cmd_fibcontext
);
1656 aac_fib_free(cmd_fibcontext
);
1660 static int aac_write(struct scsi_cmnd
* scsicmd
)
1666 struct aac_dev
*dev
;
1667 struct fib
* cmd_fibcontext
;
1669 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1671 * Get block address and transfer length
1673 if (scsicmd
->cmnd
[0] == WRITE_6
) /* 6 byte command */
1675 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1676 count
= scsicmd
->cmnd
[4];
1680 } else if (scsicmd
->cmnd
[0] == WRITE_16
) { /* 16 byte command */
1681 dprintk((KERN_DEBUG
"aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd
)));
1683 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1684 ((u64
)scsicmd
->cmnd
[3] << 48) |
1685 ((u64
)scsicmd
->cmnd
[4] << 40) |
1686 ((u64
)scsicmd
->cmnd
[5] << 32) |
1687 ((u64
)scsicmd
->cmnd
[6] << 24) |
1688 (scsicmd
->cmnd
[7] << 16) |
1689 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1690 count
= (scsicmd
->cmnd
[10] << 24) | (scsicmd
->cmnd
[11] << 16) |
1691 (scsicmd
->cmnd
[12] << 8) | scsicmd
->cmnd
[13];
1692 fua
= scsicmd
->cmnd
[1] & 0x8;
1693 } else if (scsicmd
->cmnd
[0] == WRITE_12
) { /* 12 byte command */
1694 dprintk((KERN_DEBUG
"aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd
)));
1696 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16)
1697 | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1698 count
= (scsicmd
->cmnd
[6] << 24) | (scsicmd
->cmnd
[7] << 16)
1699 | (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1700 fua
= scsicmd
->cmnd
[1] & 0x8;
1702 dprintk((KERN_DEBUG
"aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd
)));
1703 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16) | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1704 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1705 fua
= scsicmd
->cmnd
[1] & 0x8;
1707 dprintk((KERN_DEBUG
"aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1708 smp_processor_id(), (unsigned long long)lba
, jiffies
));
1709 if (aac_adapter_bounds(dev
,scsicmd
,lba
))
1712 * Allocate and initialize a Fib then setup a BlockWrite command
1714 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
1715 scsicmd
->result
= DID_ERROR
<< 16;
1716 scsicmd
->scsi_done(scsicmd
);
1720 status
= aac_adapter_write(cmd_fibcontext
, scsicmd
, lba
, count
, fua
);
1723 * Check that the command queued to the controller
1725 if (status
== -EINPROGRESS
) {
1726 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1730 printk(KERN_WARNING
"aac_write: aac_fib_send failed with status: %d\n", status
);
1732 * For some reason, the Fib didn't queue, return QUEUE_FULL
1734 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1735 scsicmd
->scsi_done(scsicmd
);
1737 aac_fib_complete(cmd_fibcontext
);
1738 aac_fib_free(cmd_fibcontext
);
1742 static void synchronize_callback(void *context
, struct fib
*fibptr
)
1744 struct aac_synchronize_reply
*synchronizereply
;
1745 struct scsi_cmnd
*cmd
;
1749 if (!aac_valid_context(cmd
, fibptr
))
1752 dprintk((KERN_DEBUG
"synchronize_callback[cpu %d]: t = %ld.\n",
1753 smp_processor_id(), jiffies
));
1754 BUG_ON(fibptr
== NULL
);
1757 synchronizereply
= fib_data(fibptr
);
1758 if (le32_to_cpu(synchronizereply
->status
) == CT_OK
)
1759 cmd
->result
= DID_OK
<< 16 |
1760 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1762 struct scsi_device
*sdev
= cmd
->device
;
1763 struct aac_dev
*dev
= fibptr
->dev
;
1764 u32 cid
= sdev_id(sdev
);
1766 "synchronize_callback: synchronize failed, status = %d\n",
1767 le32_to_cpu(synchronizereply
->status
));
1768 cmd
->result
= DID_OK
<< 16 |
1769 COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1770 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
1771 HARDWARE_ERROR
, SENCODE_INTERNAL_TARGET_FAILURE
,
1772 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0);
1773 memcpy(cmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1774 min_t(size_t, sizeof(dev
->fsa_dev
[cid
].sense_data
),
1775 SCSI_SENSE_BUFFERSIZE
));
1778 aac_fib_complete(fibptr
);
1779 aac_fib_free(fibptr
);
1780 cmd
->scsi_done(cmd
);
1783 static int aac_synchronize(struct scsi_cmnd
*scsicmd
)
1786 struct fib
*cmd_fibcontext
;
1787 struct aac_synchronize
*synchronizecmd
;
1788 struct scsi_cmnd
*cmd
;
1789 struct scsi_device
*sdev
= scsicmd
->device
;
1791 struct aac_dev
*aac
;
1792 u64 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16) |
1793 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1794 u32 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1795 unsigned long flags
;
1798 * Wait for all outstanding queued commands to complete to this
1799 * specific target (block).
1801 spin_lock_irqsave(&sdev
->list_lock
, flags
);
1802 list_for_each_entry(cmd
, &sdev
->cmd_list
, list
)
1803 if (cmd
->SCp
.phase
== AAC_OWNER_FIRMWARE
) {
1807 if (cmd
->cmnd
[0] == WRITE_6
) {
1808 cmnd_lba
= ((cmd
->cmnd
[1] & 0x1F) << 16) |
1809 (cmd
->cmnd
[2] << 8) |
1811 cmnd_count
= cmd
->cmnd
[4];
1812 if (cmnd_count
== 0)
1814 } else if (cmd
->cmnd
[0] == WRITE_16
) {
1815 cmnd_lba
= ((u64
)cmd
->cmnd
[2] << 56) |
1816 ((u64
)cmd
->cmnd
[3] << 48) |
1817 ((u64
)cmd
->cmnd
[4] << 40) |
1818 ((u64
)cmd
->cmnd
[5] << 32) |
1819 ((u64
)cmd
->cmnd
[6] << 24) |
1820 (cmd
->cmnd
[7] << 16) |
1821 (cmd
->cmnd
[8] << 8) |
1823 cmnd_count
= (cmd
->cmnd
[10] << 24) |
1824 (cmd
->cmnd
[11] << 16) |
1825 (cmd
->cmnd
[12] << 8) |
1827 } else if (cmd
->cmnd
[0] == WRITE_12
) {
1828 cmnd_lba
= ((u64
)cmd
->cmnd
[2] << 24) |
1829 (cmd
->cmnd
[3] << 16) |
1830 (cmd
->cmnd
[4] << 8) |
1832 cmnd_count
= (cmd
->cmnd
[6] << 24) |
1833 (cmd
->cmnd
[7] << 16) |
1834 (cmd
->cmnd
[8] << 8) |
1836 } else if (cmd
->cmnd
[0] == WRITE_10
) {
1837 cmnd_lba
= ((u64
)cmd
->cmnd
[2] << 24) |
1838 (cmd
->cmnd
[3] << 16) |
1839 (cmd
->cmnd
[4] << 8) |
1841 cmnd_count
= (cmd
->cmnd
[7] << 8) |
1845 if (((cmnd_lba
+ cmnd_count
) < lba
) ||
1846 (count
&& ((lba
+ count
) < cmnd_lba
)))
1852 spin_unlock_irqrestore(&sdev
->list_lock
, flags
);
1855 * Yield the processor (requeue for later)
1858 return SCSI_MLQUEUE_DEVICE_BUSY
;
1860 aac
= (struct aac_dev
*)sdev
->host
->hostdata
;
1862 return SCSI_MLQUEUE_HOST_BUSY
;
1865 * Allocate and initialize a Fib
1867 if (!(cmd_fibcontext
= aac_fib_alloc(aac
)))
1868 return SCSI_MLQUEUE_HOST_BUSY
;
1870 aac_fib_init(cmd_fibcontext
);
1872 synchronizecmd
= fib_data(cmd_fibcontext
);
1873 synchronizecmd
->command
= cpu_to_le32(VM_ContainerConfig
);
1874 synchronizecmd
->type
= cpu_to_le32(CT_FLUSH_CACHE
);
1875 synchronizecmd
->cid
= cpu_to_le32(scmd_id(scsicmd
));
1876 synchronizecmd
->count
=
1877 cpu_to_le32(sizeof(((struct aac_synchronize_reply
*)NULL
)->data
));
1880 * Now send the Fib to the adapter
1882 status
= aac_fib_send(ContainerCommand
,
1884 sizeof(struct aac_synchronize
),
1887 (fib_callback
)synchronize_callback
,
1891 * Check that the command queued to the controller
1893 if (status
== -EINPROGRESS
) {
1894 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1899 "aac_synchronize: aac_fib_send failed with status: %d.\n", status
);
1900 aac_fib_complete(cmd_fibcontext
);
1901 aac_fib_free(cmd_fibcontext
);
1902 return SCSI_MLQUEUE_HOST_BUSY
;
1905 static void aac_start_stop_callback(void *context
, struct fib
*fibptr
)
1907 struct scsi_cmnd
*scsicmd
= context
;
1909 if (!aac_valid_context(scsicmd
, fibptr
))
1912 BUG_ON(fibptr
== NULL
);
1914 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1916 aac_fib_complete(fibptr
);
1917 aac_fib_free(fibptr
);
1918 scsicmd
->scsi_done(scsicmd
);
1921 static int aac_start_stop(struct scsi_cmnd
*scsicmd
)
1924 struct fib
*cmd_fibcontext
;
1925 struct aac_power_management
*pmcmd
;
1926 struct scsi_device
*sdev
= scsicmd
->device
;
1927 struct aac_dev
*aac
= (struct aac_dev
*)sdev
->host
->hostdata
;
1929 if (!(aac
->supplement_adapter_info
.SupportedOptions2
&
1930 AAC_OPTION_POWER_MANAGEMENT
)) {
1931 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
1933 scsicmd
->scsi_done(scsicmd
);
1938 return SCSI_MLQUEUE_HOST_BUSY
;
1941 * Allocate and initialize a Fib
1943 cmd_fibcontext
= aac_fib_alloc(aac
);
1944 if (!cmd_fibcontext
)
1945 return SCSI_MLQUEUE_HOST_BUSY
;
1947 aac_fib_init(cmd_fibcontext
);
1949 pmcmd
= fib_data(cmd_fibcontext
);
1950 pmcmd
->command
= cpu_to_le32(VM_ContainerConfig
);
1951 pmcmd
->type
= cpu_to_le32(CT_POWER_MANAGEMENT
);
1952 /* Eject bit ignored, not relevant */
1953 pmcmd
->sub
= (scsicmd
->cmnd
[4] & 1) ?
1954 cpu_to_le32(CT_PM_START_UNIT
) : cpu_to_le32(CT_PM_STOP_UNIT
);
1955 pmcmd
->cid
= cpu_to_le32(sdev_id(sdev
));
1956 pmcmd
->parm
= (scsicmd
->cmnd
[1] & 1) ?
1957 cpu_to_le32(CT_PM_UNIT_IMMEDIATE
) : 0;
1960 * Now send the Fib to the adapter
1962 status
= aac_fib_send(ContainerCommand
,
1964 sizeof(struct aac_power_management
),
1967 (fib_callback
)aac_start_stop_callback
,
1971 * Check that the command queued to the controller
1973 if (status
== -EINPROGRESS
) {
1974 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1978 aac_fib_complete(cmd_fibcontext
);
1979 aac_fib_free(cmd_fibcontext
);
1980 return SCSI_MLQUEUE_HOST_BUSY
;
1984 * aac_scsi_cmd() - Process SCSI command
1985 * @scsicmd: SCSI command block
1987 * Emulate a SCSI command and queue the required request for the
1991 int aac_scsi_cmd(struct scsi_cmnd
* scsicmd
)
1994 struct Scsi_Host
*host
= scsicmd
->device
->host
;
1995 struct aac_dev
*dev
= (struct aac_dev
*)host
->hostdata
;
1996 struct fsa_dev_info
*fsa_dev_ptr
= dev
->fsa_dev
;
1998 if (fsa_dev_ptr
== NULL
)
2001 * If the bus, id or lun is out of range, return fail
2002 * Test does not apply to ID 16, the pseudo id for the controller
2005 cid
= scmd_id(scsicmd
);
2006 if (cid
!= host
->this_id
) {
2007 if (scmd_channel(scsicmd
) == CONTAINER_CHANNEL
) {
2008 if((cid
>= dev
->maximum_num_containers
) ||
2009 (scsicmd
->device
->lun
!= 0)) {
2010 scsicmd
->result
= DID_NO_CONNECT
<< 16;
2011 scsicmd
->scsi_done(scsicmd
);
2016 * If the target container doesn't exist, it may have
2017 * been newly created
2019 if (((fsa_dev_ptr
[cid
].valid
& 1) == 0) ||
2020 (fsa_dev_ptr
[cid
].sense_data
.sense_key
==
2022 switch (scsicmd
->cmnd
[0]) {
2023 case SERVICE_ACTION_IN
:
2024 if (!(dev
->raw_io_interface
) ||
2025 !(dev
->raw_io_64
) ||
2026 ((scsicmd
->cmnd
[1] & 0x1f) != SAI_READ_CAPACITY_16
))
2030 case TEST_UNIT_READY
:
2033 return _aac_probe_container(scsicmd
,
2034 aac_probe_container_callback2
);
2039 } else { /* check for physical non-dasd devices */
2040 if (dev
->nondasd_support
|| expose_physicals
||
2044 return aac_send_srb_fib(scsicmd
);
2046 scsicmd
->result
= DID_NO_CONNECT
<< 16;
2047 scsicmd
->scsi_done(scsicmd
);
2053 * else Command for the controller itself
2055 else if ((scsicmd
->cmnd
[0] != INQUIRY
) && /* only INQUIRY & TUR cmnd supported for controller */
2056 (scsicmd
->cmnd
[0] != TEST_UNIT_READY
))
2058 dprintk((KERN_WARNING
"Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd
->cmnd
[0]));
2059 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
2060 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
2061 ILLEGAL_REQUEST
, SENCODE_INVALID_COMMAND
,
2062 ASENCODE_INVALID_COMMAND
, 0, 0);
2063 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
2064 min_t(size_t, sizeof(dev
->fsa_dev
[cid
].sense_data
),
2065 SCSI_SENSE_BUFFERSIZE
));
2066 scsicmd
->scsi_done(scsicmd
);
2071 /* Handle commands here that don't really require going out to the adapter */
2072 switch (scsicmd
->cmnd
[0]) {
2075 struct inquiry_data inq_data
;
2077 dprintk((KERN_DEBUG
"INQUIRY command, ID: %d.\n", cid
));
2078 memset(&inq_data
, 0, sizeof (struct inquiry_data
));
2080 if ((scsicmd
->cmnd
[1] & 0x1) && aac_wwn
) {
2081 char *arr
= (char *)&inq_data
;
2084 arr
[0] = (scmd_id(scsicmd
) == host
->this_id
) ?
2085 INQD_PDT_PROC
: INQD_PDT_DA
;
2086 if (scsicmd
->cmnd
[2] == 0) {
2087 /* supported vital product data pages */
2091 arr
[1] = scsicmd
->cmnd
[2];
2092 scsi_sg_copy_from_buffer(scsicmd
, &inq_data
,
2094 scsicmd
->result
= DID_OK
<< 16 |
2095 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2096 } else if (scsicmd
->cmnd
[2] == 0x80) {
2097 /* unit serial number page */
2098 arr
[3] = setinqserial(dev
, &arr
[4],
2100 arr
[1] = scsicmd
->cmnd
[2];
2101 scsi_sg_copy_from_buffer(scsicmd
, &inq_data
,
2104 return aac_get_container_serial(
2106 /* SLES 10 SP1 special */
2107 scsicmd
->result
= DID_OK
<< 16 |
2108 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2110 /* vpd page not implemented */
2111 scsicmd
->result
= DID_OK
<< 16 |
2112 COMMAND_COMPLETE
<< 8 |
2113 SAM_STAT_CHECK_CONDITION
;
2114 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
2115 ILLEGAL_REQUEST
, SENCODE_INVALID_CDB_FIELD
,
2116 ASENCODE_NO_SENSE
, 7, 2);
2117 memcpy(scsicmd
->sense_buffer
,
2118 &dev
->fsa_dev
[cid
].sense_data
,
2120 sizeof(dev
->fsa_dev
[cid
].sense_data
),
2121 SCSI_SENSE_BUFFERSIZE
));
2123 scsicmd
->scsi_done(scsicmd
);
2126 inq_data
.inqd_ver
= 2; /* claim compliance to SCSI-2 */
2127 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 */
2128 inq_data
.inqd_len
= 31;
2129 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2130 inq_data
.inqd_pad2
= 0x32 ; /*WBus16|Sync|CmdQue */
2132 * Set the Vendor, Product, and Revision Level
2133 * see: <vendor>.c i.e. aac.c
2135 if (cid
== host
->this_id
) {
2136 setinqstr(dev
, (void *) (inq_data
.inqd_vid
), ARRAY_SIZE(container_types
));
2137 inq_data
.inqd_pdt
= INQD_PDT_PROC
; /* Processor device */
2138 scsi_sg_copy_from_buffer(scsicmd
, &inq_data
,
2140 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2141 scsicmd
->scsi_done(scsicmd
);
2146 setinqstr(dev
, (void *) (inq_data
.inqd_vid
), fsa_dev_ptr
[cid
].type
);
2147 inq_data
.inqd_pdt
= INQD_PDT_DA
; /* Direct/random access device */
2148 scsi_sg_copy_from_buffer(scsicmd
, &inq_data
, sizeof(inq_data
));
2149 return aac_get_container_name(scsicmd
);
2151 case SERVICE_ACTION_IN
:
2152 if (!(dev
->raw_io_interface
) ||
2153 !(dev
->raw_io_64
) ||
2154 ((scsicmd
->cmnd
[1] & 0x1f) != SAI_READ_CAPACITY_16
))
2159 unsigned int alloc_len
;
2161 dprintk((KERN_DEBUG
"READ CAPACITY_16 command.\n"));
2162 capacity
= fsa_dev_ptr
[cid
].size
- 1;
2163 cp
[0] = (capacity
>> 56) & 0xff;
2164 cp
[1] = (capacity
>> 48) & 0xff;
2165 cp
[2] = (capacity
>> 40) & 0xff;
2166 cp
[3] = (capacity
>> 32) & 0xff;
2167 cp
[4] = (capacity
>> 24) & 0xff;
2168 cp
[5] = (capacity
>> 16) & 0xff;
2169 cp
[6] = (capacity
>> 8) & 0xff;
2170 cp
[7] = (capacity
>> 0) & 0xff;
2177 alloc_len
= ((scsicmd
->cmnd
[10] << 24)
2178 + (scsicmd
->cmnd
[11] << 16)
2179 + (scsicmd
->cmnd
[12] << 8) + scsicmd
->cmnd
[13]);
2181 alloc_len
= min_t(size_t, alloc_len
, sizeof(cp
));
2182 scsi_sg_copy_from_buffer(scsicmd
, cp
, alloc_len
);
2183 if (alloc_len
< scsi_bufflen(scsicmd
))
2184 scsi_set_resid(scsicmd
,
2185 scsi_bufflen(scsicmd
) - alloc_len
);
2187 /* Do not cache partition table for arrays */
2188 scsicmd
->device
->removable
= 1;
2190 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2191 scsicmd
->scsi_done(scsicmd
);
2201 dprintk((KERN_DEBUG
"READ CAPACITY command.\n"));
2202 if (fsa_dev_ptr
[cid
].size
<= 0x100000000ULL
)
2203 capacity
= fsa_dev_ptr
[cid
].size
- 1;
2207 cp
[0] = (capacity
>> 24) & 0xff;
2208 cp
[1] = (capacity
>> 16) & 0xff;
2209 cp
[2] = (capacity
>> 8) & 0xff;
2210 cp
[3] = (capacity
>> 0) & 0xff;
2215 scsi_sg_copy_from_buffer(scsicmd
, cp
, sizeof(cp
));
2216 /* Do not cache partition table for arrays */
2217 scsicmd
->device
->removable
= 1;
2218 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
2220 scsicmd
->scsi_done(scsicmd
);
2228 int mode_buf_length
= 4;
2230 dprintk((KERN_DEBUG
"MODE SENSE command.\n"));
2231 mode_buf
[0] = 3; /* Mode data length */
2232 mode_buf
[1] = 0; /* Medium type - default */
2233 mode_buf
[2] = 0; /* Device-specific param,
2234 bit 8: 0/1 = write enabled/protected
2235 bit 4: 0/1 = FUA enabled */
2236 if (dev
->raw_io_interface
&& ((aac_cache
& 5) != 1))
2238 mode_buf
[3] = 0; /* Block descriptor length */
2239 if (((scsicmd
->cmnd
[2] & 0x3f) == 8) ||
2240 ((scsicmd
->cmnd
[2] & 0x3f) == 0x3f)) {
2244 mode_buf
[6] = ((aac_cache
& 6) == 2)
2245 ? 0 : 0x04; /* WCE */
2246 mode_buf_length
= 7;
2247 if (mode_buf_length
> scsicmd
->cmnd
[4])
2248 mode_buf_length
= scsicmd
->cmnd
[4];
2250 scsi_sg_copy_from_buffer(scsicmd
, mode_buf
, mode_buf_length
);
2251 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2252 scsicmd
->scsi_done(scsicmd
);
2259 int mode_buf_length
= 8;
2261 dprintk((KERN_DEBUG
"MODE SENSE 10 byte command.\n"));
2262 mode_buf
[0] = 0; /* Mode data length (MSB) */
2263 mode_buf
[1] = 6; /* Mode data length (LSB) */
2264 mode_buf
[2] = 0; /* Medium type - default */
2265 mode_buf
[3] = 0; /* Device-specific param,
2266 bit 8: 0/1 = write enabled/protected
2267 bit 4: 0/1 = FUA enabled */
2268 if (dev
->raw_io_interface
&& ((aac_cache
& 5) != 1))
2270 mode_buf
[4] = 0; /* reserved */
2271 mode_buf
[5] = 0; /* reserved */
2272 mode_buf
[6] = 0; /* Block descriptor length (MSB) */
2273 mode_buf
[7] = 0; /* Block descriptor length (LSB) */
2274 if (((scsicmd
->cmnd
[2] & 0x3f) == 8) ||
2275 ((scsicmd
->cmnd
[2] & 0x3f) == 0x3f)) {
2279 mode_buf
[10] = ((aac_cache
& 6) == 2)
2280 ? 0 : 0x04; /* WCE */
2281 mode_buf_length
= 11;
2282 if (mode_buf_length
> scsicmd
->cmnd
[8])
2283 mode_buf_length
= scsicmd
->cmnd
[8];
2285 scsi_sg_copy_from_buffer(scsicmd
, mode_buf
, mode_buf_length
);
2287 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2288 scsicmd
->scsi_done(scsicmd
);
2293 dprintk((KERN_DEBUG
"REQUEST SENSE command.\n"));
2294 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
, sizeof (struct sense_data
));
2295 memset(&dev
->fsa_dev
[cid
].sense_data
, 0, sizeof (struct sense_data
));
2296 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2297 scsicmd
->scsi_done(scsicmd
);
2300 case ALLOW_MEDIUM_REMOVAL
:
2301 dprintk((KERN_DEBUG
"LOCK command.\n"));
2302 if (scsicmd
->cmnd
[4])
2303 fsa_dev_ptr
[cid
].locked
= 1;
2305 fsa_dev_ptr
[cid
].locked
= 0;
2307 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2308 scsicmd
->scsi_done(scsicmd
);
2311 * These commands are all No-Ops
2313 case TEST_UNIT_READY
:
2314 if (fsa_dev_ptr
[cid
].sense_data
.sense_key
== NOT_READY
) {
2315 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
2316 SAM_STAT_CHECK_CONDITION
;
2317 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
2318 NOT_READY
, SENCODE_BECOMING_READY
,
2319 ASENCODE_BECOMING_READY
, 0, 0);
2320 memcpy(scsicmd
->sense_buffer
,
2321 &dev
->fsa_dev
[cid
].sense_data
,
2323 sizeof(dev
->fsa_dev
[cid
].sense_data
),
2324 SCSI_SENSE_BUFFERSIZE
));
2325 scsicmd
->scsi_done(scsicmd
);
2332 case REASSIGN_BLOCKS
:
2334 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2335 scsicmd
->scsi_done(scsicmd
);
2339 return aac_start_stop(scsicmd
);
2342 switch (scsicmd
->cmnd
[0])
2351 * Hack to keep track of ordinal number of the device that
2352 * corresponds to a container. Needed to convert
2353 * containers to /dev/sd device names
2356 if (scsicmd
->request
->rq_disk
)
2357 strlcpy(fsa_dev_ptr
[cid
].devname
,
2358 scsicmd
->request
->rq_disk
->disk_name
,
2359 min(sizeof(fsa_dev_ptr
[cid
].devname
),
2360 sizeof(scsicmd
->request
->rq_disk
->disk_name
) + 1));
2362 return aac_read(scsicmd
);
2370 return aac_write(scsicmd
);
2372 case SYNCHRONIZE_CACHE
:
2373 if (((aac_cache
& 6) == 6) && dev
->cache_protected
) {
2374 scsicmd
->result
= DID_OK
<< 16 |
2375 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2376 scsicmd
->scsi_done(scsicmd
);
2379 /* Issue FIB to tell Firmware to flush it's cache */
2380 if ((aac_cache
& 6) != 2)
2381 return aac_synchronize(scsicmd
);
2385 * Unhandled commands
2387 dprintk((KERN_WARNING
"Unhandled SCSI Command: 0x%x.\n", scsicmd
->cmnd
[0]));
2388 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
2389 set_sense(&dev
->fsa_dev
[cid
].sense_data
,
2390 ILLEGAL_REQUEST
, SENCODE_INVALID_COMMAND
,
2391 ASENCODE_INVALID_COMMAND
, 0, 0);
2392 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
2394 sizeof(dev
->fsa_dev
[cid
].sense_data
),
2395 SCSI_SENSE_BUFFERSIZE
));
2396 scsicmd
->scsi_done(scsicmd
);
2401 static int query_disk(struct aac_dev
*dev
, void __user
*arg
)
2403 struct aac_query_disk qd
;
2404 struct fsa_dev_info
*fsa_dev_ptr
;
2406 fsa_dev_ptr
= dev
->fsa_dev
;
2409 if (copy_from_user(&qd
, arg
, sizeof (struct aac_query_disk
)))
2413 else if ((qd
.bus
== -1) && (qd
.id
== -1) && (qd
.lun
== -1))
2415 if (qd
.cnum
< 0 || qd
.cnum
>= dev
->maximum_num_containers
)
2417 qd
.instance
= dev
->scsi_host_ptr
->host_no
;
2419 qd
.id
= CONTAINER_TO_ID(qd
.cnum
);
2420 qd
.lun
= CONTAINER_TO_LUN(qd
.cnum
);
2422 else return -EINVAL
;
2424 qd
.valid
= fsa_dev_ptr
[qd
.cnum
].valid
!= 0;
2425 qd
.locked
= fsa_dev_ptr
[qd
.cnum
].locked
;
2426 qd
.deleted
= fsa_dev_ptr
[qd
.cnum
].deleted
;
2428 if (fsa_dev_ptr
[qd
.cnum
].devname
[0] == '\0')
2433 strlcpy(qd
.name
, fsa_dev_ptr
[qd
.cnum
].devname
,
2434 min(sizeof(qd
.name
), sizeof(fsa_dev_ptr
[qd
.cnum
].devname
) + 1));
2436 if (copy_to_user(arg
, &qd
, sizeof (struct aac_query_disk
)))
2441 static int force_delete_disk(struct aac_dev
*dev
, void __user
*arg
)
2443 struct aac_delete_disk dd
;
2444 struct fsa_dev_info
*fsa_dev_ptr
;
2446 fsa_dev_ptr
= dev
->fsa_dev
;
2450 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
2453 if (dd
.cnum
>= dev
->maximum_num_containers
)
2456 * Mark this container as being deleted.
2458 fsa_dev_ptr
[dd
.cnum
].deleted
= 1;
2460 * Mark the container as no longer valid
2462 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
2466 static int delete_disk(struct aac_dev
*dev
, void __user
*arg
)
2468 struct aac_delete_disk dd
;
2469 struct fsa_dev_info
*fsa_dev_ptr
;
2471 fsa_dev_ptr
= dev
->fsa_dev
;
2475 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
2478 if (dd
.cnum
>= dev
->maximum_num_containers
)
2481 * If the container is locked, it can not be deleted by the API.
2483 if (fsa_dev_ptr
[dd
.cnum
].locked
)
2487 * Mark the container as no longer being valid.
2489 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
2490 fsa_dev_ptr
[dd
.cnum
].devname
[0] = '\0';
2495 int aac_dev_ioctl(struct aac_dev
*dev
, int cmd
, void __user
*arg
)
2498 case FSACTL_QUERY_DISK
:
2499 return query_disk(dev
, arg
);
2500 case FSACTL_DELETE_DISK
:
2501 return delete_disk(dev
, arg
);
2502 case FSACTL_FORCE_DELETE_DISK
:
2503 return force_delete_disk(dev
, arg
);
2504 case FSACTL_GET_CONTAINERS
:
2505 return aac_get_containers(dev
);
2514 * @context: the context set in the fib - here it is scsi cmd
2515 * @fibptr: pointer to the fib
2517 * Handles the completion of a scsi command to a non dasd device
2521 static void aac_srb_callback(void *context
, struct fib
* fibptr
)
2523 struct aac_dev
*dev
;
2524 struct aac_srb_reply
*srbreply
;
2525 struct scsi_cmnd
*scsicmd
;
2527 scsicmd
= (struct scsi_cmnd
*) context
;
2529 if (!aac_valid_context(scsicmd
, fibptr
))
2532 BUG_ON(fibptr
== NULL
);
2536 srbreply
= (struct aac_srb_reply
*) fib_data(fibptr
);
2538 scsicmd
->sense_buffer
[0] = '\0'; /* Initialize sense valid flag to false */
2540 * Calculate resid for sg
2543 scsi_set_resid(scsicmd
, scsi_bufflen(scsicmd
)
2544 - le32_to_cpu(srbreply
->data_xfer_length
));
2546 scsi_dma_unmap(scsicmd
);
2549 * First check the fib status
2552 if (le32_to_cpu(srbreply
->status
) != ST_OK
){
2554 printk(KERN_WARNING
"aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply
->status
));
2555 len
= min_t(u32
, le32_to_cpu(srbreply
->sense_data_size
),
2556 SCSI_SENSE_BUFFERSIZE
);
2557 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
2558 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
2562 * Next check the srb status
2564 switch( (le32_to_cpu(srbreply
->srb_status
))&0x3f){
2565 case SRB_STATUS_ERROR_RECOVERY
:
2566 case SRB_STATUS_PENDING
:
2567 case SRB_STATUS_SUCCESS
:
2568 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2570 case SRB_STATUS_DATA_OVERRUN
:
2571 switch(scsicmd
->cmnd
[0]){
2580 if (le32_to_cpu(srbreply
->data_xfer_length
) < scsicmd
->underflow
) {
2581 printk(KERN_WARNING
"aacraid: SCSI CMD underflow\n");
2583 printk(KERN_WARNING
"aacraid: SCSI CMD Data Overrun\n");
2585 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
2588 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2592 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2596 case SRB_STATUS_ABORTED
:
2597 scsicmd
->result
= DID_ABORT
<< 16 | ABORT
<< 8;
2599 case SRB_STATUS_ABORT_FAILED
:
2600 // Not sure about this one - but assuming the hba was trying to abort for some reason
2601 scsicmd
->result
= DID_ERROR
<< 16 | ABORT
<< 8;
2603 case SRB_STATUS_PARITY_ERROR
:
2604 scsicmd
->result
= DID_PARITY
<< 16 | MSG_PARITY_ERROR
<< 8;
2606 case SRB_STATUS_NO_DEVICE
:
2607 case SRB_STATUS_INVALID_PATH_ID
:
2608 case SRB_STATUS_INVALID_TARGET_ID
:
2609 case SRB_STATUS_INVALID_LUN
:
2610 case SRB_STATUS_SELECTION_TIMEOUT
:
2611 scsicmd
->result
= DID_NO_CONNECT
<< 16 | COMMAND_COMPLETE
<< 8;
2614 case SRB_STATUS_COMMAND_TIMEOUT
:
2615 case SRB_STATUS_TIMEOUT
:
2616 scsicmd
->result
= DID_TIME_OUT
<< 16 | COMMAND_COMPLETE
<< 8;
2619 case SRB_STATUS_BUSY
:
2620 scsicmd
->result
= DID_BUS_BUSY
<< 16 | COMMAND_COMPLETE
<< 8;
2623 case SRB_STATUS_BUS_RESET
:
2624 scsicmd
->result
= DID_RESET
<< 16 | COMMAND_COMPLETE
<< 8;
2627 case SRB_STATUS_MESSAGE_REJECTED
:
2628 scsicmd
->result
= DID_ERROR
<< 16 | MESSAGE_REJECT
<< 8;
2630 case SRB_STATUS_REQUEST_FLUSHED
:
2631 case SRB_STATUS_ERROR
:
2632 case SRB_STATUS_INVALID_REQUEST
:
2633 case SRB_STATUS_REQUEST_SENSE_FAILED
:
2634 case SRB_STATUS_NO_HBA
:
2635 case SRB_STATUS_UNEXPECTED_BUS_FREE
:
2636 case SRB_STATUS_PHASE_SEQUENCE_FAILURE
:
2637 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH
:
2638 case SRB_STATUS_DELAYED_RETRY
:
2639 case SRB_STATUS_BAD_FUNCTION
:
2640 case SRB_STATUS_NOT_STARTED
:
2641 case SRB_STATUS_NOT_IN_USE
:
2642 case SRB_STATUS_FORCE_ABORT
:
2643 case SRB_STATUS_DOMAIN_VALIDATION_FAIL
:
2645 #ifdef AAC_DETAILED_STATUS_INFO
2646 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2647 le32_to_cpu(srbreply
->srb_status
) & 0x3F,
2648 aac_get_status_string(
2649 le32_to_cpu(srbreply
->srb_status
) & 0x3F),
2651 le32_to_cpu(srbreply
->scsi_status
));
2653 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
2656 if (le32_to_cpu(srbreply
->scsi_status
) == SAM_STAT_CHECK_CONDITION
) {
2658 scsicmd
->result
|= SAM_STAT_CHECK_CONDITION
;
2659 len
= min_t(u32
, le32_to_cpu(srbreply
->sense_data_size
),
2660 SCSI_SENSE_BUFFERSIZE
);
2661 #ifdef AAC_DETAILED_STATUS_INFO
2662 printk(KERN_WARNING
"aac_srb_callback: check condition, status = %d len=%d\n",
2663 le32_to_cpu(srbreply
->status
), len
);
2665 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
2668 * OR in the scsi status (already shifted up a bit)
2670 scsicmd
->result
|= le32_to_cpu(srbreply
->scsi_status
);
2672 aac_fib_complete(fibptr
);
2673 aac_fib_free(fibptr
);
2674 scsicmd
->scsi_done(scsicmd
);
2680 * @scsicmd: the scsi command block
2682 * This routine will form a FIB and fill in the aac_srb from the
2683 * scsicmd passed in.
2686 static int aac_send_srb_fib(struct scsi_cmnd
* scsicmd
)
2688 struct fib
* cmd_fibcontext
;
2689 struct aac_dev
* dev
;
2692 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2693 if (scmd_id(scsicmd
) >= dev
->maximum_num_physicals
||
2694 scsicmd
->device
->lun
> 7) {
2695 scsicmd
->result
= DID_NO_CONNECT
<< 16;
2696 scsicmd
->scsi_done(scsicmd
);
2701 * Allocate and initialize a Fib then setup a BlockWrite command
2703 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
2706 status
= aac_adapter_scsi(cmd_fibcontext
, scsicmd
);
2709 * Check that the command queued to the controller
2711 if (status
== -EINPROGRESS
) {
2712 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
2716 printk(KERN_WARNING
"aac_srb: aac_fib_send failed with status: %d\n", status
);
2717 aac_fib_complete(cmd_fibcontext
);
2718 aac_fib_free(cmd_fibcontext
);
2723 static unsigned long aac_build_sg(struct scsi_cmnd
* scsicmd
, struct sgmap
* psg
)
2725 struct aac_dev
*dev
;
2726 unsigned long byte_count
= 0;
2729 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2730 // Get rid of old data
2732 psg
->sg
[0].addr
= 0;
2733 psg
->sg
[0].count
= 0;
2735 nseg
= scsi_dma_map(scsicmd
);
2738 struct scatterlist
*sg
;
2741 psg
->count
= cpu_to_le32(nseg
);
2743 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2744 psg
->sg
[i
].addr
= cpu_to_le32(sg_dma_address(sg
));
2745 psg
->sg
[i
].count
= cpu_to_le32(sg_dma_len(sg
));
2746 byte_count
+= sg_dma_len(sg
);
2748 /* hba wants the size to be exact */
2749 if (byte_count
> scsi_bufflen(scsicmd
)) {
2750 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2751 (byte_count
- scsi_bufflen(scsicmd
));
2752 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2753 byte_count
= scsi_bufflen(scsicmd
);
2755 /* Check for command underflow */
2756 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2757 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2758 byte_count
, scsicmd
->underflow
);
2765 static unsigned long aac_build_sg64(struct scsi_cmnd
* scsicmd
, struct sgmap64
* psg
)
2767 struct aac_dev
*dev
;
2768 unsigned long byte_count
= 0;
2772 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2773 // Get rid of old data
2775 psg
->sg
[0].addr
[0] = 0;
2776 psg
->sg
[0].addr
[1] = 0;
2777 psg
->sg
[0].count
= 0;
2779 nseg
= scsi_dma_map(scsicmd
);
2782 struct scatterlist
*sg
;
2785 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2786 int count
= sg_dma_len(sg
);
2787 addr
= sg_dma_address(sg
);
2788 psg
->sg
[i
].addr
[0] = cpu_to_le32(addr
& 0xffffffff);
2789 psg
->sg
[i
].addr
[1] = cpu_to_le32(addr
>>32);
2790 psg
->sg
[i
].count
= cpu_to_le32(count
);
2791 byte_count
+= count
;
2793 psg
->count
= cpu_to_le32(nseg
);
2794 /* hba wants the size to be exact */
2795 if (byte_count
> scsi_bufflen(scsicmd
)) {
2796 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2797 (byte_count
- scsi_bufflen(scsicmd
));
2798 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2799 byte_count
= scsi_bufflen(scsicmd
);
2801 /* Check for command underflow */
2802 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2803 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2804 byte_count
, scsicmd
->underflow
);
2810 static unsigned long aac_build_sgraw(struct scsi_cmnd
* scsicmd
, struct sgmapraw
* psg
)
2812 unsigned long byte_count
= 0;
2815 // Get rid of old data
2817 psg
->sg
[0].next
= 0;
2818 psg
->sg
[0].prev
= 0;
2819 psg
->sg
[0].addr
[0] = 0;
2820 psg
->sg
[0].addr
[1] = 0;
2821 psg
->sg
[0].count
= 0;
2822 psg
->sg
[0].flags
= 0;
2824 nseg
= scsi_dma_map(scsicmd
);
2827 struct scatterlist
*sg
;
2830 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2831 int count
= sg_dma_len(sg
);
2832 u64 addr
= sg_dma_address(sg
);
2833 psg
->sg
[i
].next
= 0;
2834 psg
->sg
[i
].prev
= 0;
2835 psg
->sg
[i
].addr
[1] = cpu_to_le32((u32
)(addr
>>32));
2836 psg
->sg
[i
].addr
[0] = cpu_to_le32((u32
)(addr
& 0xffffffff));
2837 psg
->sg
[i
].count
= cpu_to_le32(count
);
2838 psg
->sg
[i
].flags
= 0;
2839 byte_count
+= count
;
2841 psg
->count
= cpu_to_le32(nseg
);
2842 /* hba wants the size to be exact */
2843 if (byte_count
> scsi_bufflen(scsicmd
)) {
2844 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2845 (byte_count
- scsi_bufflen(scsicmd
));
2846 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2847 byte_count
= scsi_bufflen(scsicmd
);
2849 /* Check for command underflow */
2850 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2851 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2852 byte_count
, scsicmd
->underflow
);
2858 #ifdef AAC_DETAILED_STATUS_INFO
2860 struct aac_srb_status_info
{
2866 static struct aac_srb_status_info srb_status_info
[] = {
2867 { SRB_STATUS_PENDING
, "Pending Status"},
2868 { SRB_STATUS_SUCCESS
, "Success"},
2869 { SRB_STATUS_ABORTED
, "Aborted Command"},
2870 { SRB_STATUS_ABORT_FAILED
, "Abort Failed"},
2871 { SRB_STATUS_ERROR
, "Error Event"},
2872 { SRB_STATUS_BUSY
, "Device Busy"},
2873 { SRB_STATUS_INVALID_REQUEST
, "Invalid Request"},
2874 { SRB_STATUS_INVALID_PATH_ID
, "Invalid Path ID"},
2875 { SRB_STATUS_NO_DEVICE
, "No Device"},
2876 { SRB_STATUS_TIMEOUT
, "Timeout"},
2877 { SRB_STATUS_SELECTION_TIMEOUT
, "Selection Timeout"},
2878 { SRB_STATUS_COMMAND_TIMEOUT
, "Command Timeout"},
2879 { SRB_STATUS_MESSAGE_REJECTED
, "Message Rejected"},
2880 { SRB_STATUS_BUS_RESET
, "Bus Reset"},
2881 { SRB_STATUS_PARITY_ERROR
, "Parity Error"},
2882 { SRB_STATUS_REQUEST_SENSE_FAILED
,"Request Sense Failed"},
2883 { SRB_STATUS_NO_HBA
, "No HBA"},
2884 { SRB_STATUS_DATA_OVERRUN
, "Data Overrun/Data Underrun"},
2885 { SRB_STATUS_UNEXPECTED_BUS_FREE
,"Unexpected Bus Free"},
2886 { SRB_STATUS_PHASE_SEQUENCE_FAILURE
,"Phase Error"},
2887 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH
,"Bad Srb Block Length"},
2888 { SRB_STATUS_REQUEST_FLUSHED
, "Request Flushed"},
2889 { SRB_STATUS_DELAYED_RETRY
, "Delayed Retry"},
2890 { SRB_STATUS_INVALID_LUN
, "Invalid LUN"},
2891 { SRB_STATUS_INVALID_TARGET_ID
, "Invalid TARGET ID"},
2892 { SRB_STATUS_BAD_FUNCTION
, "Bad Function"},
2893 { SRB_STATUS_ERROR_RECOVERY
, "Error Recovery"},
2894 { SRB_STATUS_NOT_STARTED
, "Not Started"},
2895 { SRB_STATUS_NOT_IN_USE
, "Not In Use"},
2896 { SRB_STATUS_FORCE_ABORT
, "Force Abort"},
2897 { SRB_STATUS_DOMAIN_VALIDATION_FAIL
,"Domain Validation Failure"},
2898 { 0xff, "Unknown Error"}
2901 char *aac_get_status_string(u32 status
)
2905 for (i
= 0; i
< ARRAY_SIZE(srb_status_info
); i
++)
2906 if (srb_status_info
[i
].status
== status
)
2907 return srb_status_info
[i
].str
;
2909 return "Bad Status Code";