2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
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 <linux/dma-mapping.h>
35 #include <asm/semaphore.h>
36 #include <asm/uaccess.h>
38 #include <scsi/scsi.h>
39 #include <scsi/scsi_cmnd.h>
40 #include <scsi/scsi_device.h>
41 #include <scsi/scsi_host.h>
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 */
53 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
54 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
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
83 * Additional sense codes
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
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)
113 /*------------------------------------------------------------------------------
114 * S T R U C T S / T Y P E D E F S
115 *----------------------------------------------------------------------------*/
116 /* SCSI inquiry data */
117 struct 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 */
131 * M O D U L E G L O B A L S
134 static unsigned long aac_build_sg(struct scsi_cmnd
* scsicmd
, struct sgmap
* sgmap
);
135 static unsigned long aac_build_sg64(struct scsi_cmnd
* scsicmd
, struct sgmap64
* psg
);
136 static unsigned long aac_build_sgraw(struct scsi_cmnd
* scsicmd
, struct sgmapraw
* psg
);
137 static int aac_send_srb_fib(struct scsi_cmnd
* scsicmd
);
138 #ifdef AAC_DETAILED_STATUS_INFO
139 static char *aac_get_status_string(u32 status
);
143 * Non dasd selection is handled entirely in aachba now
146 static int nondasd
= -1;
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. 0=off, 1=on");
155 module_param(dacmode
, int, S_IRUGO
|S_IWUSR
);
156 MODULE_PARM_DESC(dacmode
, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
157 module_param_named(commit
, aac_commit
, int, S_IRUGO
|S_IWUSR
);
158 MODULE_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");
159 module_param(startup_timeout
, int, S_IRUGO
|S_IWUSR
);
160 MODULE_PARM_DESC(startup_timeout
, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS.");
161 module_param(aif_timeout
, int, S_IRUGO
|S_IWUSR
);
162 MODULE_PARM_DESC(aif_timeout
, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems.");
165 module_param(numacb
, int, S_IRUGO
|S_IWUSR
);
166 MODULE_PARM_DESC(numacb
, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware.");
169 module_param(acbsize
, int, S_IRUGO
|S_IWUSR
);
170 MODULE_PARM_DESC(acbsize
, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
172 int update_interval
= 30 * 60;
173 module_param(update_interval
, int, S_IRUGO
|S_IWUSR
);
174 MODULE_PARM_DESC(update_interval
, "Interval in seconds between time sync updates issued to adapter.");
176 int check_interval
= 24 * 60 * 60;
177 module_param(check_interval
, int, S_IRUGO
|S_IWUSR
);
178 MODULE_PARM_DESC(check_interval
, "Interval in seconds between adapter health checks.");
181 module_param(check_reset
, int, S_IRUGO
|S_IWUSR
);
182 MODULE_PARM_DESC(check_reset
, "If adapter fails health check, reset the adapter.");
184 int expose_physicals
= -1;
185 module_param(expose_physicals
, int, S_IRUGO
|S_IWUSR
);
186 MODULE_PARM_DESC(expose_physicals
, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
188 int aac_reset_devices
= 0;
189 module_param_named(reset_devices
, aac_reset_devices
, int, S_IRUGO
|S_IWUSR
);
190 MODULE_PARM_DESC(reset_devices
, "Force an adapter reset at initialization.");
192 static inline int aac_valid_context(struct scsi_cmnd
*scsicmd
,
193 struct fib
*fibptr
) {
194 struct scsi_device
*device
;
196 if (unlikely(!scsicmd
|| !scsicmd
->scsi_done
)) {
197 dprintk((KERN_WARNING
"aac_valid_context: scsi command corrupt\n"))
199 aac_fib_complete(fibptr
);
200 aac_fib_free(fibptr
);
203 scsicmd
->SCp
.phase
= AAC_OWNER_MIDLEVEL
;
204 device
= scsicmd
->device
;
205 if (unlikely(!device
|| !scsi_device_online(device
))) {
206 dprintk((KERN_WARNING
"aac_valid_context: scsi device corrupt\n"));
207 aac_fib_complete(fibptr
);
208 aac_fib_free(fibptr
);
215 * aac_get_config_status - check the adapter configuration
216 * @common: adapter to query
218 * Query config status, and commit the configuration if needed.
220 int aac_get_config_status(struct aac_dev
*dev
, int commit_flag
)
225 if (!(fibptr
= aac_fib_alloc(dev
)))
228 aac_fib_init(fibptr
);
230 struct aac_get_config_status
*dinfo
;
231 dinfo
= (struct aac_get_config_status
*) fib_data(fibptr
);
233 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
234 dinfo
->type
= cpu_to_le32(CT_GET_CONFIG_STATUS
);
235 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_config_status_resp
*)NULL
)->data
));
238 status
= aac_fib_send(ContainerCommand
,
240 sizeof (struct aac_get_config_status
),
245 printk(KERN_WARNING
"aac_get_config_status: SendFIB failed.\n");
247 struct aac_get_config_status_resp
*reply
248 = (struct aac_get_config_status_resp
*) fib_data(fibptr
);
249 dprintk((KERN_WARNING
250 "aac_get_config_status: response=%d status=%d action=%d\n",
251 le32_to_cpu(reply
->response
),
252 le32_to_cpu(reply
->status
),
253 le32_to_cpu(reply
->data
.action
)));
254 if ((le32_to_cpu(reply
->response
) != ST_OK
) ||
255 (le32_to_cpu(reply
->status
) != CT_OK
) ||
256 (le32_to_cpu(reply
->data
.action
) > CFACT_PAUSE
)) {
257 printk(KERN_WARNING
"aac_get_config_status: Will not issue the Commit Configuration\n");
261 aac_fib_complete(fibptr
);
262 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
264 if ((aac_commit
== 1) || commit_flag
) {
265 struct aac_commit_config
* dinfo
;
266 aac_fib_init(fibptr
);
267 dinfo
= (struct aac_commit_config
*) fib_data(fibptr
);
269 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
270 dinfo
->type
= cpu_to_le32(CT_COMMIT_CONFIG
);
272 status
= aac_fib_send(ContainerCommand
,
274 sizeof (struct aac_commit_config
),
278 aac_fib_complete(fibptr
);
279 } else if (aac_commit
== 0) {
281 "aac_get_config_status: Foreign device configurations are being ignored\n");
284 aac_fib_free(fibptr
);
289 * aac_get_containers - list containers
290 * @common: adapter to probe
292 * Make a list of all containers on this controller
294 int aac_get_containers(struct aac_dev
*dev
)
296 struct fsa_dev_info
*fsa_dev_ptr
;
300 struct aac_get_container_count
*dinfo
;
301 struct aac_get_container_count_resp
*dresp
;
302 int maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
304 if (!(fibptr
= aac_fib_alloc(dev
)))
307 aac_fib_init(fibptr
);
308 dinfo
= (struct aac_get_container_count
*) fib_data(fibptr
);
309 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
310 dinfo
->type
= cpu_to_le32(CT_GET_CONTAINER_COUNT
);
312 status
= aac_fib_send(ContainerCommand
,
314 sizeof (struct aac_get_container_count
),
319 dresp
= (struct aac_get_container_count_resp
*)fib_data(fibptr
);
320 maximum_num_containers
= le32_to_cpu(dresp
->ContainerSwitchEntries
);
321 aac_fib_complete(fibptr
);
323 aac_fib_free(fibptr
);
325 if (maximum_num_containers
< MAXIMUM_NUM_CONTAINERS
)
326 maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
327 fsa_dev_ptr
= kzalloc(sizeof(*fsa_dev_ptr
) * maximum_num_containers
,
332 dev
->fsa_dev
= fsa_dev_ptr
;
333 dev
->maximum_num_containers
= maximum_num_containers
;
335 for (index
= 0; index
< dev
->maximum_num_containers
; ) {
336 fsa_dev_ptr
[index
].devname
[0] = '\0';
338 status
= aac_probe_container(dev
, index
);
341 printk(KERN_WARNING
"aac_get_containers: SendFIB failed.\n");
346 * If there are no more containers, then stop asking.
348 if (++index
>= status
)
354 static void aac_internal_transfer(struct scsi_cmnd
*scsicmd
, void *data
, unsigned int offset
, unsigned int len
)
358 struct scatterlist
*sg
= scsi_sglist(scsicmd
);
360 buf
= kmap_atomic(sg
->page
, KM_IRQ0
) + sg
->offset
;
361 transfer_len
= min(sg
->length
, len
+ offset
);
363 transfer_len
-= offset
;
364 if (buf
&& transfer_len
> 0)
365 memcpy(buf
+ offset
, data
, transfer_len
);
367 kunmap_atomic(buf
- sg
->offset
, KM_IRQ0
);
371 static void get_container_name_callback(void *context
, struct fib
* fibptr
)
373 struct aac_get_name_resp
* get_name_reply
;
374 struct scsi_cmnd
* scsicmd
;
376 scsicmd
= (struct scsi_cmnd
*) context
;
378 if (!aac_valid_context(scsicmd
, fibptr
))
381 dprintk((KERN_DEBUG
"get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies
));
382 BUG_ON(fibptr
== NULL
);
384 get_name_reply
= (struct aac_get_name_resp
*) fib_data(fibptr
);
385 /* Failure is irrelevant, using default value instead */
386 if ((le32_to_cpu(get_name_reply
->status
) == CT_OK
)
387 && (get_name_reply
->data
[0] != '\0')) {
388 char *sp
= get_name_reply
->data
;
389 sp
[sizeof(((struct aac_get_name_resp
*)NULL
)->data
)-1] = '\0';
393 char d
[sizeof(((struct inquiry_data
*)NULL
)->inqd_pid
)];
394 int count
= sizeof(d
);
397 *dp
++ = (*sp
) ? *sp
++ : ' ';
398 } while (--count
> 0);
399 aac_internal_transfer(scsicmd
, d
,
400 offsetof(struct inquiry_data
, inqd_pid
), sizeof(d
));
404 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
406 aac_fib_complete(fibptr
);
407 aac_fib_free(fibptr
);
408 scsicmd
->scsi_done(scsicmd
);
412 * aac_get_container_name - get container name, none blocking.
414 static int aac_get_container_name(struct scsi_cmnd
* scsicmd
)
417 struct aac_get_name
*dinfo
;
418 struct fib
* cmd_fibcontext
;
419 struct aac_dev
* dev
;
421 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
423 if (!(cmd_fibcontext
= aac_fib_alloc(dev
)))
426 aac_fib_init(cmd_fibcontext
);
427 dinfo
= (struct aac_get_name
*) fib_data(cmd_fibcontext
);
429 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
430 dinfo
->type
= cpu_to_le32(CT_READ_NAME
);
431 dinfo
->cid
= cpu_to_le32(scmd_id(scsicmd
));
432 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_name_resp
*)NULL
)->data
));
434 status
= aac_fib_send(ContainerCommand
,
436 sizeof (struct aac_get_name
),
439 (fib_callback
) get_container_name_callback
,
443 * Check that the command queued to the controller
445 if (status
== -EINPROGRESS
) {
446 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
450 printk(KERN_WARNING
"aac_get_container_name: aac_fib_send failed with status: %d.\n", status
);
451 aac_fib_complete(cmd_fibcontext
);
452 aac_fib_free(cmd_fibcontext
);
456 static int aac_probe_container_callback2(struct scsi_cmnd
* scsicmd
)
458 struct fsa_dev_info
*fsa_dev_ptr
= ((struct aac_dev
*)(scsicmd
->device
->host
->hostdata
))->fsa_dev
;
460 if ((fsa_dev_ptr
[scmd_id(scsicmd
)].valid
& 1))
461 return aac_scsi_cmd(scsicmd
);
463 scsicmd
->result
= DID_NO_CONNECT
<< 16;
464 scsicmd
->scsi_done(scsicmd
);
468 static void _aac_probe_container2(void * context
, struct fib
* fibptr
)
470 struct fsa_dev_info
*fsa_dev_ptr
;
471 int (*callback
)(struct scsi_cmnd
*);
472 struct scsi_cmnd
* scsicmd
= (struct scsi_cmnd
*)context
;
475 if (!aac_valid_context(scsicmd
, fibptr
))
478 scsicmd
->SCp
.Status
= 0;
479 fsa_dev_ptr
= fibptr
->dev
->fsa_dev
;
481 struct aac_mount
* dresp
= (struct aac_mount
*) fib_data(fibptr
);
482 fsa_dev_ptr
+= scmd_id(scsicmd
);
484 if ((le32_to_cpu(dresp
->status
) == ST_OK
) &&
485 (le32_to_cpu(dresp
->mnt
[0].vol
) != CT_NONE
) &&
486 (le32_to_cpu(dresp
->mnt
[0].state
) != FSCS_HIDDEN
)) {
487 fsa_dev_ptr
->valid
= 1;
488 fsa_dev_ptr
->type
= le32_to_cpu(dresp
->mnt
[0].vol
);
490 = ((u64
)le32_to_cpu(dresp
->mnt
[0].capacity
)) +
491 (((u64
)le32_to_cpu(dresp
->mnt
[0].capacityhigh
)) << 32);
492 fsa_dev_ptr
->ro
= ((le32_to_cpu(dresp
->mnt
[0].state
) & FSCS_READONLY
) != 0);
494 if ((fsa_dev_ptr
->valid
& 1) == 0)
495 fsa_dev_ptr
->valid
= 0;
496 scsicmd
->SCp
.Status
= le32_to_cpu(dresp
->count
);
498 aac_fib_complete(fibptr
);
499 aac_fib_free(fibptr
);
500 callback
= (int (*)(struct scsi_cmnd
*))(scsicmd
->SCp
.ptr
);
501 scsicmd
->SCp
.ptr
= NULL
;
502 (*callback
)(scsicmd
);
506 static void _aac_probe_container1(void * context
, struct fib
* fibptr
)
508 struct scsi_cmnd
* scsicmd
;
509 struct aac_mount
* dresp
;
510 struct aac_query_mount
*dinfo
;
513 dresp
= (struct aac_mount
*) fib_data(fibptr
);
514 dresp
->mnt
[0].capacityhigh
= 0;
515 if ((le32_to_cpu(dresp
->status
) != ST_OK
) ||
516 (le32_to_cpu(dresp
->mnt
[0].vol
) != CT_NONE
)) {
517 _aac_probe_container2(context
, fibptr
);
520 scsicmd
= (struct scsi_cmnd
*) context
;
522 if (!aac_valid_context(scsicmd
, fibptr
))
525 aac_fib_init(fibptr
);
527 dinfo
= (struct aac_query_mount
*)fib_data(fibptr
);
529 dinfo
->command
= cpu_to_le32(VM_NameServe64
);
530 dinfo
->count
= cpu_to_le32(scmd_id(scsicmd
));
531 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
533 status
= aac_fib_send(ContainerCommand
,
535 sizeof(struct aac_query_mount
),
538 _aac_probe_container2
,
541 * Check that the command queued to the controller
543 if (status
== -EINPROGRESS
)
544 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
545 else if (status
< 0) {
546 /* Inherit results from VM_NameServe, if any */
547 dresp
->status
= cpu_to_le32(ST_OK
);
548 _aac_probe_container2(context
, fibptr
);
552 static int _aac_probe_container(struct scsi_cmnd
* scsicmd
, int (*callback
)(struct scsi_cmnd
*))
555 int status
= -ENOMEM
;
557 if ((fibptr
= aac_fib_alloc((struct aac_dev
*)scsicmd
->device
->host
->hostdata
))) {
558 struct aac_query_mount
*dinfo
;
560 aac_fib_init(fibptr
);
562 dinfo
= (struct aac_query_mount
*)fib_data(fibptr
);
564 dinfo
->command
= cpu_to_le32(VM_NameServe
);
565 dinfo
->count
= cpu_to_le32(scmd_id(scsicmd
));
566 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
567 scsicmd
->SCp
.ptr
= (char *)callback
;
569 status
= aac_fib_send(ContainerCommand
,
571 sizeof(struct aac_query_mount
),
574 _aac_probe_container1
,
577 * Check that the command queued to the controller
579 if (status
== -EINPROGRESS
) {
580 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
584 scsicmd
->SCp
.ptr
= NULL
;
585 aac_fib_complete(fibptr
);
586 aac_fib_free(fibptr
);
590 struct fsa_dev_info
*fsa_dev_ptr
= ((struct aac_dev
*)(scsicmd
->device
->host
->hostdata
))->fsa_dev
;
592 fsa_dev_ptr
+= scmd_id(scsicmd
);
593 if ((fsa_dev_ptr
->valid
& 1) == 0) {
594 fsa_dev_ptr
->valid
= 0;
595 return (*callback
)(scsicmd
);
603 * aac_probe_container - query a logical volume
604 * @dev: device to query
605 * @cid: container identifier
607 * Queries the controller about the given volume. The volume information
608 * is updated in the struct fsa_dev_info structure rather than returned.
610 static int aac_probe_container_callback1(struct scsi_cmnd
* scsicmd
)
612 scsicmd
->device
= NULL
;
616 int aac_probe_container(struct aac_dev
*dev
, int cid
)
618 struct scsi_cmnd
*scsicmd
= kmalloc(sizeof(*scsicmd
), GFP_KERNEL
);
619 struct scsi_device
*scsidev
= kmalloc(sizeof(*scsidev
), GFP_KERNEL
);
622 if (!scsicmd
|| !scsidev
) {
627 scsicmd
->list
.next
= NULL
;
628 scsicmd
->scsi_done
= (void (*)(struct scsi_cmnd
*))aac_probe_container_callback1
;
630 scsicmd
->device
= scsidev
;
631 scsidev
->sdev_state
= 0;
633 scsidev
->host
= dev
->scsi_host_ptr
;
635 if (_aac_probe_container(scsicmd
, aac_probe_container_callback1
) == 0)
636 while (scsicmd
->device
== scsidev
)
639 status
= scsicmd
->SCp
.Status
;
644 /* Local Structure to set SCSI inquiry data strings */
646 char vid
[8]; /* Vendor ID */
647 char pid
[16]; /* Product ID */
648 char prl
[4]; /* Product Revision Level */
652 * InqStrCopy - string merge
653 * @a: string to copy from
654 * @b: string to copy to
656 * Copy a String from one location to another
660 static void inqstrcpy(char *a
, char *b
)
667 static char *container_types
[] = {
693 /* Function: setinqstr
695 * Arguments: [1] pointer to void [1] int
697 * Purpose: Sets SCSI inquiry data strings for vendor, product
698 * and revision level. Allows strings to be set in platform dependant
699 * files instead of in OS dependant driver source.
702 static void setinqstr(struct aac_dev
*dev
, void *data
, int tindex
)
704 struct scsi_inq
*str
;
706 str
= (struct scsi_inq
*)(data
); /* cast data to scsi inq block */
707 memset(str
, ' ', sizeof(*str
));
709 if (dev
->supplement_adapter_info
.AdapterTypeText
[0]) {
710 char * cp
= dev
->supplement_adapter_info
.AdapterTypeText
;
711 int c
= sizeof(str
->vid
);
712 while (*cp
&& *cp
!= ' ' && --c
)
716 inqstrcpy (dev
->supplement_adapter_info
.AdapterTypeText
,
719 while (*cp
&& *cp
!= ' ')
723 /* last six chars reserved for vol type */
725 if (strlen(cp
) > sizeof(str
->pid
)) {
726 c
= cp
[sizeof(str
->pid
)];
727 cp
[sizeof(str
->pid
)] = '\0';
729 inqstrcpy (cp
, str
->pid
);
731 cp
[sizeof(str
->pid
)] = c
;
733 struct aac_driver_ident
*mp
= aac_get_driver_ident(dev
->cardtype
);
735 inqstrcpy (mp
->vname
, str
->vid
);
736 /* last six chars reserved for vol type */
737 inqstrcpy (mp
->model
, str
->pid
);
740 if (tindex
< ARRAY_SIZE(container_types
)){
741 char *findit
= str
->pid
;
743 for ( ; *findit
!= ' '; findit
++); /* walk till we find a space */
744 /* RAID is superfluous in the context of a RAID device */
745 if (memcmp(findit
-4, "RAID", 4) == 0)
746 *(findit
-= 4) = ' ';
747 if (((findit
- str
->pid
) + strlen(container_types
[tindex
]))
748 < (sizeof(str
->pid
) + sizeof(str
->prl
)))
749 inqstrcpy (container_types
[tindex
], findit
+ 1);
751 inqstrcpy ("V1.0", str
->prl
);
754 static void get_container_serial_callback(void *context
, struct fib
* fibptr
)
756 struct aac_get_serial_resp
* get_serial_reply
;
757 struct scsi_cmnd
* scsicmd
;
759 BUG_ON(fibptr
== NULL
);
761 scsicmd
= (struct scsi_cmnd
*) context
;
762 if (!aac_valid_context(scsicmd
, fibptr
))
765 get_serial_reply
= (struct aac_get_serial_resp
*) fib_data(fibptr
);
766 /* Failure is irrelevant, using default value instead */
767 if (le32_to_cpu(get_serial_reply
->status
) == CT_OK
) {
771 sp
[1] = scsicmd
->cmnd
[2];
773 sp
[3] = snprintf(sp
+4, sizeof(sp
)-4, "%08X",
774 le32_to_cpu(get_serial_reply
->uid
));
775 aac_internal_transfer(scsicmd
, sp
, 0, sizeof(sp
));
778 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
780 aac_fib_complete(fibptr
);
781 aac_fib_free(fibptr
);
782 scsicmd
->scsi_done(scsicmd
);
786 * aac_get_container_serial - get container serial, none blocking.
788 static int aac_get_container_serial(struct scsi_cmnd
* scsicmd
)
791 struct aac_get_serial
*dinfo
;
792 struct fib
* cmd_fibcontext
;
793 struct aac_dev
* dev
;
795 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
797 if (!(cmd_fibcontext
= aac_fib_alloc(dev
)))
800 aac_fib_init(cmd_fibcontext
);
801 dinfo
= (struct aac_get_serial
*) fib_data(cmd_fibcontext
);
803 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
804 dinfo
->type
= cpu_to_le32(CT_CID_TO_32BITS_UID
);
805 dinfo
->cid
= cpu_to_le32(scmd_id(scsicmd
));
807 status
= aac_fib_send(ContainerCommand
,
809 sizeof (struct aac_get_serial
),
812 (fib_callback
) get_container_serial_callback
,
816 * Check that the command queued to the controller
818 if (status
== -EINPROGRESS
) {
819 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
823 printk(KERN_WARNING
"aac_get_container_serial: aac_fib_send failed with status: %d.\n", status
);
824 aac_fib_complete(cmd_fibcontext
);
825 aac_fib_free(cmd_fibcontext
);
829 /* Function: setinqserial
831 * Arguments: [1] pointer to void [1] int
833 * Purpose: Sets SCSI Unit Serial number.
834 * This is a fake. We should read a proper
835 * serial number from the container. <SuSE>But
836 * without docs it's quite hard to do it :-)
837 * So this will have to do in the meantime.</SuSE>
840 static int setinqserial(struct aac_dev
*dev
, void *data
, int cid
)
843 * This breaks array migration.
845 return snprintf((char *)(data
), sizeof(struct scsi_inq
) - 4, "%08X%02X",
846 le32_to_cpu(dev
->adapter_info
.serial
[0]), cid
);
849 static void set_sense(u8
*sense_buf
, u8 sense_key
, u8 sense_code
,
850 u8 a_sense_code
, u8 incorrect_length
,
851 u8 bit_pointer
, u16 field_pointer
,
854 sense_buf
[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
855 sense_buf
[1] = 0; /* Segment number, always zero */
857 if (incorrect_length
) {
858 sense_buf
[2] = sense_key
| 0x20;/* Set ILI bit | sense key */
859 sense_buf
[3] = BYTE3(residue
);
860 sense_buf
[4] = BYTE2(residue
);
861 sense_buf
[5] = BYTE1(residue
);
862 sense_buf
[6] = BYTE0(residue
);
864 sense_buf
[2] = sense_key
; /* Sense key */
866 if (sense_key
== ILLEGAL_REQUEST
)
867 sense_buf
[7] = 10; /* Additional sense length */
869 sense_buf
[7] = 6; /* Additional sense length */
871 sense_buf
[12] = sense_code
; /* Additional sense code */
872 sense_buf
[13] = a_sense_code
; /* Additional sense code qualifier */
873 if (sense_key
== ILLEGAL_REQUEST
) {
876 if (sense_code
== SENCODE_INVALID_PARAM_FIELD
)
877 sense_buf
[15] = 0x80;/* Std sense key specific field */
878 /* Illegal parameter is in the parameter block */
880 if (sense_code
== SENCODE_INVALID_CDB_FIELD
)
881 sense_buf
[15] = 0xc0;/* Std sense key specific field */
882 /* Illegal parameter is in the CDB block */
883 sense_buf
[15] |= bit_pointer
;
884 sense_buf
[16] = field_pointer
>> 8; /* MSB */
885 sense_buf
[17] = field_pointer
; /* LSB */
889 static int aac_bounds_32(struct aac_dev
* dev
, struct scsi_cmnd
* cmd
, u64 lba
)
891 if (lba
& 0xffffffff00000000LL
) {
892 int cid
= scmd_id(cmd
);
893 dprintk((KERN_DEBUG
"aacraid: Illegal lba\n"));
894 cmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 |
895 SAM_STAT_CHECK_CONDITION
;
896 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
898 SENCODE_INTERNAL_TARGET_FAILURE
,
899 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
901 memcpy(cmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
902 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(cmd
->sense_buffer
))
903 ? sizeof(cmd
->sense_buffer
)
904 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
911 static int aac_bounds_64(struct aac_dev
* dev
, struct scsi_cmnd
* cmd
, u64 lba
)
916 static void io_callback(void *context
, struct fib
* fibptr
);
918 static int aac_read_raw_io(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
921 struct aac_raw_io
*readcmd
;
923 readcmd
= (struct aac_raw_io
*) fib_data(fib
);
924 readcmd
->block
[0] = cpu_to_le32((u32
)(lba
&0xffffffff));
925 readcmd
->block
[1] = cpu_to_le32((u32
)((lba
&0xffffffff00000000LL
)>>32));
926 readcmd
->count
= cpu_to_le32(count
<<9);
927 readcmd
->cid
= cpu_to_le16(scmd_id(cmd
));
928 readcmd
->flags
= cpu_to_le16(IO_TYPE_READ
);
929 readcmd
->bpTotal
= 0;
930 readcmd
->bpComplete
= 0;
932 aac_build_sgraw(cmd
, &readcmd
->sg
);
933 fibsize
= sizeof(struct aac_raw_io
) + ((le32_to_cpu(readcmd
->sg
.count
) - 1) * sizeof (struct sgentryraw
));
934 BUG_ON(fibsize
> (fib
->dev
->max_fib_size
- sizeof(struct aac_fibhdr
)));
936 * Now send the Fib to the adapter
938 return aac_fib_send(ContainerRawIo
,
943 (fib_callback
) io_callback
,
947 static int aac_read_block64(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
950 struct aac_read64
*readcmd
;
952 readcmd
= (struct aac_read64
*) fib_data(fib
);
953 readcmd
->command
= cpu_to_le32(VM_CtHostRead64
);
954 readcmd
->cid
= cpu_to_le16(scmd_id(cmd
));
955 readcmd
->sector_count
= cpu_to_le16(count
);
956 readcmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
960 aac_build_sg64(cmd
, &readcmd
->sg
);
961 fibsize
= sizeof(struct aac_read64
) +
962 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
963 sizeof (struct sgentry64
));
964 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
965 sizeof(struct aac_fibhdr
)));
967 * Now send the Fib to the adapter
969 return aac_fib_send(ContainerCommand64
,
974 (fib_callback
) io_callback
,
978 static int aac_read_block(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
)
981 struct aac_read
*readcmd
;
983 readcmd
= (struct aac_read
*) fib_data(fib
);
984 readcmd
->command
= cpu_to_le32(VM_CtBlockRead
);
985 readcmd
->cid
= cpu_to_le16(scmd_id(cmd
));
986 readcmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
987 readcmd
->count
= cpu_to_le32(count
* 512);
989 aac_build_sg(cmd
, &readcmd
->sg
);
990 fibsize
= sizeof(struct aac_read
) +
991 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
992 sizeof (struct sgentry
));
993 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
994 sizeof(struct aac_fibhdr
)));
996 * Now send the Fib to the adapter
998 return aac_fib_send(ContainerCommand
,
1003 (fib_callback
) io_callback
,
1007 static int aac_write_raw_io(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1010 struct aac_raw_io
*writecmd
;
1012 writecmd
= (struct aac_raw_io
*) fib_data(fib
);
1013 writecmd
->block
[0] = cpu_to_le32((u32
)(lba
&0xffffffff));
1014 writecmd
->block
[1] = cpu_to_le32((u32
)((lba
&0xffffffff00000000LL
)>>32));
1015 writecmd
->count
= cpu_to_le32(count
<<9);
1016 writecmd
->cid
= cpu_to_le16(scmd_id(cmd
));
1017 writecmd
->flags
= fua
?
1018 cpu_to_le16(IO_TYPE_WRITE
|IO_SUREWRITE
) :
1019 cpu_to_le16(IO_TYPE_WRITE
);
1020 writecmd
->bpTotal
= 0;
1021 writecmd
->bpComplete
= 0;
1023 aac_build_sgraw(cmd
, &writecmd
->sg
);
1024 fibsize
= sizeof(struct aac_raw_io
) + ((le32_to_cpu(writecmd
->sg
.count
) - 1) * sizeof (struct sgentryraw
));
1025 BUG_ON(fibsize
> (fib
->dev
->max_fib_size
- sizeof(struct aac_fibhdr
)));
1027 * Now send the Fib to the adapter
1029 return aac_fib_send(ContainerRawIo
,
1034 (fib_callback
) io_callback
,
1038 static int aac_write_block64(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1041 struct aac_write64
*writecmd
;
1043 writecmd
= (struct aac_write64
*) fib_data(fib
);
1044 writecmd
->command
= cpu_to_le32(VM_CtHostWrite64
);
1045 writecmd
->cid
= cpu_to_le16(scmd_id(cmd
));
1046 writecmd
->sector_count
= cpu_to_le16(count
);
1047 writecmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
1049 writecmd
->flags
= 0;
1051 aac_build_sg64(cmd
, &writecmd
->sg
);
1052 fibsize
= sizeof(struct aac_write64
) +
1053 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1054 sizeof (struct sgentry64
));
1055 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1056 sizeof(struct aac_fibhdr
)));
1058 * Now send the Fib to the adapter
1060 return aac_fib_send(ContainerCommand64
,
1065 (fib_callback
) io_callback
,
1069 static int aac_write_block(struct fib
* fib
, struct scsi_cmnd
* cmd
, u64 lba
, u32 count
, int fua
)
1072 struct aac_write
*writecmd
;
1074 writecmd
= (struct aac_write
*) fib_data(fib
);
1075 writecmd
->command
= cpu_to_le32(VM_CtBlockWrite
);
1076 writecmd
->cid
= cpu_to_le16(scmd_id(cmd
));
1077 writecmd
->block
= cpu_to_le32((u32
)(lba
&0xffffffff));
1078 writecmd
->count
= cpu_to_le32(count
* 512);
1079 writecmd
->sg
.count
= cpu_to_le32(1);
1080 /* ->stable is not used - it did mean which type of write */
1082 aac_build_sg(cmd
, &writecmd
->sg
);
1083 fibsize
= sizeof(struct aac_write
) +
1084 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1085 sizeof (struct sgentry
));
1086 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1087 sizeof(struct aac_fibhdr
)));
1089 * Now send the Fib to the adapter
1091 return aac_fib_send(ContainerCommand
,
1096 (fib_callback
) io_callback
,
1100 static struct aac_srb
* aac_scsi_common(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1102 struct aac_srb
* srbcmd
;
1107 switch(cmd
->sc_data_direction
){
1111 case DMA_BIDIRECTIONAL
:
1112 flag
= SRB_DataIn
| SRB_DataOut
;
1114 case DMA_FROM_DEVICE
:
1118 default: /* shuts up some versions of gcc */
1119 flag
= SRB_NoDataXfer
;
1123 srbcmd
= (struct aac_srb
*) fib_data(fib
);
1124 srbcmd
->function
= cpu_to_le32(SRBF_ExecuteScsi
);
1125 srbcmd
->channel
= cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd
)));
1126 srbcmd
->id
= cpu_to_le32(scmd_id(cmd
));
1127 srbcmd
->lun
= cpu_to_le32(cmd
->device
->lun
);
1128 srbcmd
->flags
= cpu_to_le32(flag
);
1129 timeout
= cmd
->timeout_per_command
/HZ
;
1132 srbcmd
->timeout
= cpu_to_le32(timeout
); // timeout in seconds
1133 srbcmd
->retry_limit
= 0; /* Obsolete parameter */
1134 srbcmd
->cdb_size
= cpu_to_le32(cmd
->cmd_len
);
1138 static void aac_srb_callback(void *context
, struct fib
* fibptr
);
1140 static int aac_scsi_64(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1143 struct aac_srb
* srbcmd
= aac_scsi_common(fib
, cmd
);
1145 aac_build_sg64(cmd
, (struct sgmap64
*) &srbcmd
->sg
);
1146 srbcmd
->count
= cpu_to_le32(scsi_bufflen(cmd
));
1148 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1149 memcpy(srbcmd
->cdb
, cmd
->cmnd
, cmd
->cmd_len
);
1151 * Build Scatter/Gather list
1153 fibsize
= sizeof (struct aac_srb
) - sizeof (struct sgentry
) +
1154 ((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) *
1155 sizeof (struct sgentry64
));
1156 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1157 sizeof(struct aac_fibhdr
)));
1160 * Now send the Fib to the adapter
1162 return aac_fib_send(ScsiPortCommand64
, fib
,
1163 fibsize
, FsaNormal
, 0, 1,
1164 (fib_callback
) aac_srb_callback
,
1168 static int aac_scsi_32(struct fib
* fib
, struct scsi_cmnd
* cmd
)
1171 struct aac_srb
* srbcmd
= aac_scsi_common(fib
, cmd
);
1173 aac_build_sg(cmd
, (struct sgmap
*)&srbcmd
->sg
);
1174 srbcmd
->count
= cpu_to_le32(scsi_bufflen(cmd
));
1176 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1177 memcpy(srbcmd
->cdb
, cmd
->cmnd
, cmd
->cmd_len
);
1179 * Build Scatter/Gather list
1181 fibsize
= sizeof (struct aac_srb
) +
1182 (((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) - 1) *
1183 sizeof (struct sgentry
));
1184 BUG_ON (fibsize
> (fib
->dev
->max_fib_size
-
1185 sizeof(struct aac_fibhdr
)));
1188 * Now send the Fib to the adapter
1190 return aac_fib_send(ScsiPortCommand
, fib
, fibsize
, FsaNormal
, 0, 1,
1191 (fib_callback
) aac_srb_callback
, (void *) cmd
);
1194 int aac_get_adapter_info(struct aac_dev
* dev
)
1199 struct aac_adapter_info
*info
;
1200 struct aac_bus_info
*command
;
1201 struct aac_bus_info_response
*bus_info
;
1203 if (!(fibptr
= aac_fib_alloc(dev
)))
1206 aac_fib_init(fibptr
);
1207 info
= (struct aac_adapter_info
*) fib_data(fibptr
);
1208 memset(info
,0,sizeof(*info
));
1210 rcode
= aac_fib_send(RequestAdapterInfo
,
1214 -1, 1, /* First `interrupt' command uses special wait */
1219 aac_fib_complete(fibptr
);
1220 aac_fib_free(fibptr
);
1223 memcpy(&dev
->adapter_info
, info
, sizeof(*info
));
1225 if (dev
->adapter_info
.options
& AAC_OPT_SUPPLEMENT_ADAPTER_INFO
) {
1226 struct aac_supplement_adapter_info
* info
;
1228 aac_fib_init(fibptr
);
1230 info
= (struct aac_supplement_adapter_info
*) fib_data(fibptr
);
1232 memset(info
,0,sizeof(*info
));
1234 rcode
= aac_fib_send(RequestSupplementAdapterInfo
,
1243 memcpy(&dev
->supplement_adapter_info
, info
, sizeof(*info
));
1251 aac_fib_init(fibptr
);
1253 bus_info
= (struct aac_bus_info_response
*) fib_data(fibptr
);
1255 memset(bus_info
, 0, sizeof(*bus_info
));
1257 command
= (struct aac_bus_info
*)bus_info
;
1259 command
->Command
= cpu_to_le32(VM_Ioctl
);
1260 command
->ObjType
= cpu_to_le32(FT_DRIVE
);
1261 command
->MethodId
= cpu_to_le32(1);
1262 command
->CtlCmd
= cpu_to_le32(GetBusInfo
);
1264 rcode
= aac_fib_send(ContainerCommand
,
1271 if (rcode
>= 0 && le32_to_cpu(bus_info
->Status
) == ST_OK
) {
1272 dev
->maximum_num_physicals
= le32_to_cpu(bus_info
->TargetsPerBus
);
1273 dev
->maximum_num_channels
= le32_to_cpu(bus_info
->BusCount
);
1276 if (!dev
->in_reset
) {
1278 tmp
= le32_to_cpu(dev
->adapter_info
.kernelrev
);
1279 printk(KERN_INFO
"%s%d: kernel %d.%d-%d[%d] %.*s\n",
1285 le32_to_cpu(dev
->adapter_info
.kernelbuild
),
1286 (int)sizeof(dev
->supplement_adapter_info
.BuildDate
),
1287 dev
->supplement_adapter_info
.BuildDate
);
1288 tmp
= le32_to_cpu(dev
->adapter_info
.monitorrev
);
1289 printk(KERN_INFO
"%s%d: monitor %d.%d-%d[%d]\n",
1291 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
1292 le32_to_cpu(dev
->adapter_info
.monitorbuild
));
1293 tmp
= le32_to_cpu(dev
->adapter_info
.biosrev
);
1294 printk(KERN_INFO
"%s%d: bios %d.%d-%d[%d]\n",
1296 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
1297 le32_to_cpu(dev
->adapter_info
.biosbuild
));
1299 if (aac_show_serial_number(
1300 shost_to_class(dev
->scsi_host_ptr
), buffer
))
1301 printk(KERN_INFO
"%s%d: serial %s",
1302 dev
->name
, dev
->id
, buffer
);
1303 if (dev
->supplement_adapter_info
.VpdInfo
.Tsid
[0]) {
1304 printk(KERN_INFO
"%s%d: TSID %.*s\n",
1306 (int)sizeof(dev
->supplement_adapter_info
.VpdInfo
.Tsid
),
1307 dev
->supplement_adapter_info
.VpdInfo
.Tsid
);
1310 (dev
->supplement_adapter_info
.SupportedOptions2
&
1311 le32_to_cpu(AAC_OPTION_IGNORE_RESET
))) {
1312 printk(KERN_INFO
"%s%d: Reset Adapter Ignored\n",
1313 dev
->name
, dev
->id
);
1317 dev
->nondasd_support
= 0;
1318 dev
->raid_scsi_mode
= 0;
1319 if(dev
->adapter_info
.options
& AAC_OPT_NONDASD
){
1320 dev
->nondasd_support
= 1;
1324 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1325 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1326 * force nondasd support on. If we decide to allow the non-dasd flag
1327 * additional changes changes will have to be made to support
1328 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1329 * changed to support the new dev->raid_scsi_mode flag instead of
1330 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1331 * function aac_detect will have to be modified where it sets up the
1332 * max number of channels based on the aac->nondasd_support flag only.
1334 if ((dev
->adapter_info
.options
& AAC_OPT_SCSI_MANAGED
) &&
1335 (dev
->adapter_info
.options
& AAC_OPT_RAID_SCSI_MODE
)) {
1336 dev
->nondasd_support
= 1;
1337 dev
->raid_scsi_mode
= 1;
1339 if (dev
->raid_scsi_mode
!= 0)
1340 printk(KERN_INFO
"%s%d: ROMB RAID/SCSI mode enabled\n",
1341 dev
->name
, dev
->id
);
1344 dev
->nondasd_support
= (nondasd
!=0);
1346 if(dev
->nondasd_support
!= 0){
1347 printk(KERN_INFO
"%s%d: Non-DASD support enabled.\n",dev
->name
, dev
->id
);
1350 dev
->dac_support
= 0;
1351 if( (sizeof(dma_addr_t
) > 4) && (dev
->adapter_info
.options
& AAC_OPT_SGMAP_HOST64
)){
1352 printk(KERN_INFO
"%s%d: 64bit support enabled.\n", dev
->name
, dev
->id
);
1353 dev
->dac_support
= 1;
1357 dev
->dac_support
= (dacmode
!=0);
1359 if(dev
->dac_support
!= 0) {
1360 if (!pci_set_dma_mask(dev
->pdev
, DMA_64BIT_MASK
) &&
1361 !pci_set_consistent_dma_mask(dev
->pdev
, DMA_64BIT_MASK
)) {
1362 printk(KERN_INFO
"%s%d: 64 Bit DAC enabled\n",
1363 dev
->name
, dev
->id
);
1364 } else if (!pci_set_dma_mask(dev
->pdev
, DMA_32BIT_MASK
) &&
1365 !pci_set_consistent_dma_mask(dev
->pdev
, DMA_32BIT_MASK
)) {
1366 printk(KERN_INFO
"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1367 dev
->name
, dev
->id
);
1368 dev
->dac_support
= 0;
1370 printk(KERN_WARNING
"%s%d: No suitable DMA available.\n",
1371 dev
->name
, dev
->id
);
1376 * Deal with configuring for the individualized limits of each packet
1379 dev
->a_ops
.adapter_scsi
= (dev
->dac_support
)
1382 if (dev
->raw_io_interface
) {
1383 dev
->a_ops
.adapter_bounds
= (dev
->raw_io_64
)
1386 dev
->a_ops
.adapter_read
= aac_read_raw_io
;
1387 dev
->a_ops
.adapter_write
= aac_write_raw_io
;
1389 dev
->a_ops
.adapter_bounds
= aac_bounds_32
;
1390 dev
->scsi_host_ptr
->sg_tablesize
= (dev
->max_fib_size
-
1391 sizeof(struct aac_fibhdr
) -
1392 sizeof(struct aac_write
) + sizeof(struct sgentry
)) /
1393 sizeof(struct sgentry
);
1394 if (dev
->dac_support
) {
1395 dev
->a_ops
.adapter_read
= aac_read_block64
;
1396 dev
->a_ops
.adapter_write
= aac_write_block64
;
1398 * 38 scatter gather elements
1400 dev
->scsi_host_ptr
->sg_tablesize
=
1401 (dev
->max_fib_size
-
1402 sizeof(struct aac_fibhdr
) -
1403 sizeof(struct aac_write64
) +
1404 sizeof(struct sgentry64
)) /
1405 sizeof(struct sgentry64
);
1407 dev
->a_ops
.adapter_read
= aac_read_block
;
1408 dev
->a_ops
.adapter_write
= aac_write_block
;
1410 dev
->scsi_host_ptr
->max_sectors
= AAC_MAX_32BIT_SGBCOUNT
;
1411 if(!(dev
->adapter_info
.options
& AAC_OPT_NEW_COMM
)) {
1413 * Worst case size that could cause sg overflow when
1414 * we break up SG elements that are larger than 64KB.
1415 * Would be nice if we could tell the SCSI layer what
1416 * the maximum SG element size can be. Worst case is
1417 * (sg_tablesize-1) 4KB elements with one 64KB
1419 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1421 dev
->scsi_host_ptr
->max_sectors
=
1422 (dev
->scsi_host_ptr
->sg_tablesize
* 8) + 112;
1426 aac_fib_complete(fibptr
);
1427 aac_fib_free(fibptr
);
1433 static void io_callback(void *context
, struct fib
* fibptr
)
1435 struct aac_dev
*dev
;
1436 struct aac_read_reply
*readreply
;
1437 struct scsi_cmnd
*scsicmd
;
1440 scsicmd
= (struct scsi_cmnd
*) context
;
1442 if (!aac_valid_context(scsicmd
, fibptr
))
1446 cid
= scmd_id(scsicmd
);
1448 if (nblank(dprintk(x
))) {
1450 switch (scsicmd
->cmnd
[0]) {
1453 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) |
1454 (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1458 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1459 ((u64
)scsicmd
->cmnd
[3] << 48) |
1460 ((u64
)scsicmd
->cmnd
[4] << 40) |
1461 ((u64
)scsicmd
->cmnd
[5] << 32) |
1462 ((u64
)scsicmd
->cmnd
[6] << 24) |
1463 (scsicmd
->cmnd
[7] << 16) |
1464 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1468 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1469 (scsicmd
->cmnd
[3] << 16) |
1470 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1473 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1474 (scsicmd
->cmnd
[3] << 16) |
1475 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1479 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1480 smp_processor_id(), (unsigned long long)lba
, jiffies
);
1483 BUG_ON(fibptr
== NULL
);
1485 scsi_dma_unmap(scsicmd
);
1487 readreply
= (struct aac_read_reply
*)fib_data(fibptr
);
1488 if (le32_to_cpu(readreply
->status
) == ST_OK
)
1489 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1491 #ifdef AAC_DETAILED_STATUS_INFO
1492 printk(KERN_WARNING
"io_callback: io failed, status = %d\n",
1493 le32_to_cpu(readreply
->status
));
1495 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1496 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
1498 SENCODE_INTERNAL_TARGET_FAILURE
,
1499 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
1501 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1502 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
1503 ? sizeof(scsicmd
->sense_buffer
)
1504 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
1506 aac_fib_complete(fibptr
);
1507 aac_fib_free(fibptr
);
1509 scsicmd
->scsi_done(scsicmd
);
1512 static int aac_read(struct scsi_cmnd
* scsicmd
)
1517 struct aac_dev
*dev
;
1518 struct fib
* cmd_fibcontext
;
1520 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1522 * Get block address and transfer length
1524 switch (scsicmd
->cmnd
[0]) {
1526 dprintk((KERN_DEBUG
"aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd
)));
1528 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) |
1529 (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1530 count
= scsicmd
->cmnd
[4];
1536 dprintk((KERN_DEBUG
"aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd
)));
1538 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1539 ((u64
)scsicmd
->cmnd
[3] << 48) |
1540 ((u64
)scsicmd
->cmnd
[4] << 40) |
1541 ((u64
)scsicmd
->cmnd
[5] << 32) |
1542 ((u64
)scsicmd
->cmnd
[6] << 24) |
1543 (scsicmd
->cmnd
[7] << 16) |
1544 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1545 count
= (scsicmd
->cmnd
[10] << 24) |
1546 (scsicmd
->cmnd
[11] << 16) |
1547 (scsicmd
->cmnd
[12] << 8) | scsicmd
->cmnd
[13];
1550 dprintk((KERN_DEBUG
"aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd
)));
1552 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1553 (scsicmd
->cmnd
[3] << 16) |
1554 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1555 count
= (scsicmd
->cmnd
[6] << 24) |
1556 (scsicmd
->cmnd
[7] << 16) |
1557 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1560 dprintk((KERN_DEBUG
"aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd
)));
1562 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) |
1563 (scsicmd
->cmnd
[3] << 16) |
1564 (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1565 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1568 dprintk((KERN_DEBUG
"aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1569 smp_processor_id(), (unsigned long long)lba
, jiffies
));
1570 if (aac_adapter_bounds(dev
,scsicmd
,lba
))
1573 * Alocate and initialize a Fib
1575 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
1579 status
= aac_adapter_read(cmd_fibcontext
, scsicmd
, lba
, count
);
1582 * Check that the command queued to the controller
1584 if (status
== -EINPROGRESS
) {
1585 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1589 printk(KERN_WARNING
"aac_read: aac_fib_send failed with status: %d.\n", status
);
1591 * For some reason, the Fib didn't queue, return QUEUE_FULL
1593 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1594 scsicmd
->scsi_done(scsicmd
);
1595 aac_fib_complete(cmd_fibcontext
);
1596 aac_fib_free(cmd_fibcontext
);
1600 static int aac_write(struct scsi_cmnd
* scsicmd
)
1606 struct aac_dev
*dev
;
1607 struct fib
* cmd_fibcontext
;
1609 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1611 * Get block address and transfer length
1613 if (scsicmd
->cmnd
[0] == WRITE_6
) /* 6 byte command */
1615 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1616 count
= scsicmd
->cmnd
[4];
1620 } else if (scsicmd
->cmnd
[0] == WRITE_16
) { /* 16 byte command */
1621 dprintk((KERN_DEBUG
"aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd
)));
1623 lba
= ((u64
)scsicmd
->cmnd
[2] << 56) |
1624 ((u64
)scsicmd
->cmnd
[3] << 48) |
1625 ((u64
)scsicmd
->cmnd
[4] << 40) |
1626 ((u64
)scsicmd
->cmnd
[5] << 32) |
1627 ((u64
)scsicmd
->cmnd
[6] << 24) |
1628 (scsicmd
->cmnd
[7] << 16) |
1629 (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1630 count
= (scsicmd
->cmnd
[10] << 24) | (scsicmd
->cmnd
[11] << 16) |
1631 (scsicmd
->cmnd
[12] << 8) | scsicmd
->cmnd
[13];
1632 fua
= scsicmd
->cmnd
[1] & 0x8;
1633 } else if (scsicmd
->cmnd
[0] == WRITE_12
) { /* 12 byte command */
1634 dprintk((KERN_DEBUG
"aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd
)));
1636 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16)
1637 | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1638 count
= (scsicmd
->cmnd
[6] << 24) | (scsicmd
->cmnd
[7] << 16)
1639 | (scsicmd
->cmnd
[8] << 8) | scsicmd
->cmnd
[9];
1640 fua
= scsicmd
->cmnd
[1] & 0x8;
1642 dprintk((KERN_DEBUG
"aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd
)));
1643 lba
= ((u64
)scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16) | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1644 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1645 fua
= scsicmd
->cmnd
[1] & 0x8;
1647 dprintk((KERN_DEBUG
"aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1648 smp_processor_id(), (unsigned long long)lba
, jiffies
));
1649 if (aac_adapter_bounds(dev
,scsicmd
,lba
))
1652 * Allocate and initialize a Fib then setup a BlockWrite command
1654 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
1655 scsicmd
->result
= DID_ERROR
<< 16;
1656 scsicmd
->scsi_done(scsicmd
);
1660 status
= aac_adapter_write(cmd_fibcontext
, scsicmd
, lba
, count
, fua
);
1663 * Check that the command queued to the controller
1665 if (status
== -EINPROGRESS
) {
1666 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1670 printk(KERN_WARNING
"aac_write: aac_fib_send failed with status: %d\n", status
);
1672 * For some reason, the Fib didn't queue, return QUEUE_FULL
1674 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1675 scsicmd
->scsi_done(scsicmd
);
1677 aac_fib_complete(cmd_fibcontext
);
1678 aac_fib_free(cmd_fibcontext
);
1682 static void synchronize_callback(void *context
, struct fib
*fibptr
)
1684 struct aac_synchronize_reply
*synchronizereply
;
1685 struct scsi_cmnd
*cmd
;
1689 if (!aac_valid_context(cmd
, fibptr
))
1692 dprintk((KERN_DEBUG
"synchronize_callback[cpu %d]: t = %ld.\n",
1693 smp_processor_id(), jiffies
));
1694 BUG_ON(fibptr
== NULL
);
1697 synchronizereply
= fib_data(fibptr
);
1698 if (le32_to_cpu(synchronizereply
->status
) == CT_OK
)
1699 cmd
->result
= DID_OK
<< 16 |
1700 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1702 struct scsi_device
*sdev
= cmd
->device
;
1703 struct aac_dev
*dev
= fibptr
->dev
;
1704 u32 cid
= sdev_id(sdev
);
1706 "synchronize_callback: synchronize failed, status = %d\n",
1707 le32_to_cpu(synchronizereply
->status
));
1708 cmd
->result
= DID_OK
<< 16 |
1709 COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1710 set_sense((u8
*)&dev
->fsa_dev
[cid
].sense_data
,
1712 SENCODE_INTERNAL_TARGET_FAILURE
,
1713 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
1715 memcpy(cmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1716 min(sizeof(dev
->fsa_dev
[cid
].sense_data
),
1717 sizeof(cmd
->sense_buffer
)));
1720 aac_fib_complete(fibptr
);
1721 aac_fib_free(fibptr
);
1722 cmd
->scsi_done(cmd
);
1725 static int aac_synchronize(struct scsi_cmnd
*scsicmd
)
1728 struct fib
*cmd_fibcontext
;
1729 struct aac_synchronize
*synchronizecmd
;
1730 struct scsi_cmnd
*cmd
;
1731 struct scsi_device
*sdev
= scsicmd
->device
;
1733 struct aac_dev
*aac
;
1734 unsigned long flags
;
1737 * Wait for all outstanding queued commands to complete to this
1738 * specific target (block).
1740 spin_lock_irqsave(&sdev
->list_lock
, flags
);
1741 list_for_each_entry(cmd
, &sdev
->cmd_list
, list
)
1742 if (cmd
!= scsicmd
&& cmd
->SCp
.phase
== AAC_OWNER_FIRMWARE
) {
1747 spin_unlock_irqrestore(&sdev
->list_lock
, flags
);
1750 * Yield the processor (requeue for later)
1753 return SCSI_MLQUEUE_DEVICE_BUSY
;
1755 aac
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1757 return SCSI_MLQUEUE_HOST_BUSY
;
1760 * Allocate and initialize a Fib
1762 if (!(cmd_fibcontext
= aac_fib_alloc(aac
)))
1763 return SCSI_MLQUEUE_HOST_BUSY
;
1765 aac_fib_init(cmd_fibcontext
);
1767 synchronizecmd
= fib_data(cmd_fibcontext
);
1768 synchronizecmd
->command
= cpu_to_le32(VM_ContainerConfig
);
1769 synchronizecmd
->type
= cpu_to_le32(CT_FLUSH_CACHE
);
1770 synchronizecmd
->cid
= cpu_to_le32(scmd_id(scsicmd
));
1771 synchronizecmd
->count
=
1772 cpu_to_le32(sizeof(((struct aac_synchronize_reply
*)NULL
)->data
));
1775 * Now send the Fib to the adapter
1777 status
= aac_fib_send(ContainerCommand
,
1779 sizeof(struct aac_synchronize
),
1782 (fib_callback
)synchronize_callback
,
1786 * Check that the command queued to the controller
1788 if (status
== -EINPROGRESS
) {
1789 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
1794 "aac_synchronize: aac_fib_send failed with status: %d.\n", status
);
1795 aac_fib_complete(cmd_fibcontext
);
1796 aac_fib_free(cmd_fibcontext
);
1797 return SCSI_MLQUEUE_HOST_BUSY
;
1801 * aac_scsi_cmd() - Process SCSI command
1802 * @scsicmd: SCSI command block
1804 * Emulate a SCSI command and queue the required request for the
1808 int aac_scsi_cmd(struct scsi_cmnd
* scsicmd
)
1811 struct Scsi_Host
*host
= scsicmd
->device
->host
;
1812 struct aac_dev
*dev
= (struct aac_dev
*)host
->hostdata
;
1813 struct fsa_dev_info
*fsa_dev_ptr
= dev
->fsa_dev
;
1815 if (fsa_dev_ptr
== NULL
)
1818 * If the bus, id or lun is out of range, return fail
1819 * Test does not apply to ID 16, the pseudo id for the controller
1822 cid
= scmd_id(scsicmd
);
1823 if (cid
!= host
->this_id
) {
1824 if (scmd_channel(scsicmd
) == CONTAINER_CHANNEL
) {
1825 if((cid
>= dev
->maximum_num_containers
) ||
1826 (scsicmd
->device
->lun
!= 0)) {
1827 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1828 scsicmd
->scsi_done(scsicmd
);
1833 * If the target container doesn't exist, it may have
1834 * been newly created
1836 if ((fsa_dev_ptr
[cid
].valid
& 1) == 0) {
1837 switch (scsicmd
->cmnd
[0]) {
1838 case SERVICE_ACTION_IN
:
1839 if (!(dev
->raw_io_interface
) ||
1840 !(dev
->raw_io_64
) ||
1841 ((scsicmd
->cmnd
[1] & 0x1f) != SAI_READ_CAPACITY_16
))
1845 case TEST_UNIT_READY
:
1848 return _aac_probe_container(scsicmd
,
1849 aac_probe_container_callback2
);
1854 } else { /* check for physical non-dasd devices */
1855 if ((dev
->nondasd_support
== 1) || expose_physicals
) {
1858 return aac_send_srb_fib(scsicmd
);
1860 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1861 scsicmd
->scsi_done(scsicmd
);
1867 * else Command for the controller itself
1869 else if ((scsicmd
->cmnd
[0] != INQUIRY
) && /* only INQUIRY & TUR cmnd supported for controller */
1870 (scsicmd
->cmnd
[0] != TEST_UNIT_READY
))
1872 dprintk((KERN_WARNING
"Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd
->cmnd
[0]));
1873 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1874 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
1876 SENCODE_INVALID_COMMAND
,
1877 ASENCODE_INVALID_COMMAND
, 0, 0, 0, 0);
1878 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1879 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
1880 ? sizeof(scsicmd
->sense_buffer
)
1881 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
1882 scsicmd
->scsi_done(scsicmd
);
1887 /* Handle commands here that don't really require going out to the adapter */
1888 switch (scsicmd
->cmnd
[0]) {
1891 struct inquiry_data inq_data
;
1893 dprintk((KERN_DEBUG
"INQUIRY command, ID: %d.\n", cid
));
1894 memset(&inq_data
, 0, sizeof (struct inquiry_data
));
1896 if (scsicmd
->cmnd
[1] & 0x1 ) {
1897 char *arr
= (char *)&inq_data
;
1900 arr
[0] = (scmd_id(scsicmd
) == host
->this_id
) ?
1901 INQD_PDT_PROC
: INQD_PDT_DA
;
1902 if (scsicmd
->cmnd
[2] == 0) {
1903 /* supported vital product data pages */
1907 arr
[1] = scsicmd
->cmnd
[2];
1908 aac_internal_transfer(scsicmd
, &inq_data
, 0,
1910 scsicmd
->result
= DID_OK
<< 16 |
1911 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1912 } else if (scsicmd
->cmnd
[2] == 0x80) {
1913 /* unit serial number page */
1914 arr
[3] = setinqserial(dev
, &arr
[4],
1916 arr
[1] = scsicmd
->cmnd
[2];
1917 aac_internal_transfer(scsicmd
, &inq_data
, 0,
1919 return aac_get_container_serial(scsicmd
);
1921 /* vpd page not implemented */
1922 scsicmd
->result
= DID_OK
<< 16 |
1923 COMMAND_COMPLETE
<< 8 |
1924 SAM_STAT_CHECK_CONDITION
;
1925 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
1927 SENCODE_INVALID_CDB_FIELD
,
1928 ASENCODE_NO_SENSE
, 0, 7, 2, 0);
1929 memcpy(scsicmd
->sense_buffer
,
1930 &dev
->fsa_dev
[cid
].sense_data
,
1931 (sizeof(dev
->fsa_dev
[cid
].sense_data
) >
1932 sizeof(scsicmd
->sense_buffer
))
1933 ? sizeof(scsicmd
->sense_buffer
)
1934 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
1936 scsicmd
->scsi_done(scsicmd
);
1939 inq_data
.inqd_ver
= 2; /* claim compliance to SCSI-2 */
1940 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 */
1941 inq_data
.inqd_len
= 31;
1942 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1943 inq_data
.inqd_pad2
= 0x32 ; /*WBus16|Sync|CmdQue */
1945 * Set the Vendor, Product, and Revision Level
1946 * see: <vendor>.c i.e. aac.c
1948 if (cid
== host
->this_id
) {
1949 setinqstr(dev
, (void *) (inq_data
.inqd_vid
), ARRAY_SIZE(container_types
));
1950 inq_data
.inqd_pdt
= INQD_PDT_PROC
; /* Processor device */
1951 aac_internal_transfer(scsicmd
, &inq_data
, 0, sizeof(inq_data
));
1952 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1953 scsicmd
->scsi_done(scsicmd
);
1958 setinqstr(dev
, (void *) (inq_data
.inqd_vid
), fsa_dev_ptr
[cid
].type
);
1959 inq_data
.inqd_pdt
= INQD_PDT_DA
; /* Direct/random access device */
1960 aac_internal_transfer(scsicmd
, &inq_data
, 0, sizeof(inq_data
));
1961 return aac_get_container_name(scsicmd
);
1963 case SERVICE_ACTION_IN
:
1964 if (!(dev
->raw_io_interface
) ||
1965 !(dev
->raw_io_64
) ||
1966 ((scsicmd
->cmnd
[1] & 0x1f) != SAI_READ_CAPACITY_16
))
1972 dprintk((KERN_DEBUG
"READ CAPACITY_16 command.\n"));
1973 capacity
= fsa_dev_ptr
[cid
].size
- 1;
1974 cp
[0] = (capacity
>> 56) & 0xff;
1975 cp
[1] = (capacity
>> 48) & 0xff;
1976 cp
[2] = (capacity
>> 40) & 0xff;
1977 cp
[3] = (capacity
>> 32) & 0xff;
1978 cp
[4] = (capacity
>> 24) & 0xff;
1979 cp
[5] = (capacity
>> 16) & 0xff;
1980 cp
[6] = (capacity
>> 8) & 0xff;
1981 cp
[7] = (capacity
>> 0) & 0xff;
1987 aac_internal_transfer(scsicmd
, cp
, 0,
1988 min_t(size_t, scsicmd
->cmnd
[13], sizeof(cp
)));
1989 if (sizeof(cp
) < scsicmd
->cmnd
[13]) {
1990 unsigned int len
, offset
= sizeof(cp
);
1992 memset(cp
, 0, offset
);
1994 len
= min_t(size_t, scsicmd
->cmnd
[13] - offset
,
1996 aac_internal_transfer(scsicmd
, cp
, offset
, len
);
1997 } while ((offset
+= len
) < scsicmd
->cmnd
[13]);
2000 /* Do not cache partition table for arrays */
2001 scsicmd
->device
->removable
= 1;
2003 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2004 scsicmd
->scsi_done(scsicmd
);
2014 dprintk((KERN_DEBUG
"READ CAPACITY command.\n"));
2015 if (fsa_dev_ptr
[cid
].size
<= 0x100000000ULL
)
2016 capacity
= fsa_dev_ptr
[cid
].size
- 1;
2020 cp
[0] = (capacity
>> 24) & 0xff;
2021 cp
[1] = (capacity
>> 16) & 0xff;
2022 cp
[2] = (capacity
>> 8) & 0xff;
2023 cp
[3] = (capacity
>> 0) & 0xff;
2028 aac_internal_transfer(scsicmd
, cp
, 0, sizeof(cp
));
2029 /* Do not cache partition table for arrays */
2030 scsicmd
->device
->removable
= 1;
2032 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2033 scsicmd
->scsi_done(scsicmd
);
2041 int mode_buf_length
= 4;
2043 dprintk((KERN_DEBUG
"MODE SENSE command.\n"));
2044 mode_buf
[0] = 3; /* Mode data length */
2045 mode_buf
[1] = 0; /* Medium type - default */
2046 mode_buf
[2] = 0; /* Device-specific param,
2047 bit 8: 0/1 = write enabled/protected
2048 bit 4: 0/1 = FUA enabled */
2049 if (dev
->raw_io_interface
)
2051 mode_buf
[3] = 0; /* Block descriptor length */
2052 if (((scsicmd
->cmnd
[2] & 0x3f) == 8) ||
2053 ((scsicmd
->cmnd
[2] & 0x3f) == 0x3f)) {
2057 mode_buf
[6] = 0x04; /* WCE */
2058 mode_buf_length
= 7;
2059 if (mode_buf_length
> scsicmd
->cmnd
[4])
2060 mode_buf_length
= scsicmd
->cmnd
[4];
2062 aac_internal_transfer(scsicmd
, mode_buf
, 0, mode_buf_length
);
2063 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2064 scsicmd
->scsi_done(scsicmd
);
2071 int mode_buf_length
= 8;
2073 dprintk((KERN_DEBUG
"MODE SENSE 10 byte command.\n"));
2074 mode_buf
[0] = 0; /* Mode data length (MSB) */
2075 mode_buf
[1] = 6; /* Mode data length (LSB) */
2076 mode_buf
[2] = 0; /* Medium type - default */
2077 mode_buf
[3] = 0; /* Device-specific param,
2078 bit 8: 0/1 = write enabled/protected
2079 bit 4: 0/1 = FUA enabled */
2080 if (dev
->raw_io_interface
)
2082 mode_buf
[4] = 0; /* reserved */
2083 mode_buf
[5] = 0; /* reserved */
2084 mode_buf
[6] = 0; /* Block descriptor length (MSB) */
2085 mode_buf
[7] = 0; /* Block descriptor length (LSB) */
2086 if (((scsicmd
->cmnd
[2] & 0x3f) == 8) ||
2087 ((scsicmd
->cmnd
[2] & 0x3f) == 0x3f)) {
2091 mode_buf
[10] = 0x04; /* WCE */
2092 mode_buf_length
= 11;
2093 if (mode_buf_length
> scsicmd
->cmnd
[8])
2094 mode_buf_length
= scsicmd
->cmnd
[8];
2096 aac_internal_transfer(scsicmd
, mode_buf
, 0, mode_buf_length
);
2098 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2099 scsicmd
->scsi_done(scsicmd
);
2104 dprintk((KERN_DEBUG
"REQUEST SENSE command.\n"));
2105 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
, sizeof (struct sense_data
));
2106 memset(&dev
->fsa_dev
[cid
].sense_data
, 0, sizeof (struct sense_data
));
2107 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2108 scsicmd
->scsi_done(scsicmd
);
2111 case ALLOW_MEDIUM_REMOVAL
:
2112 dprintk((KERN_DEBUG
"LOCK command.\n"));
2113 if (scsicmd
->cmnd
[4])
2114 fsa_dev_ptr
[cid
].locked
= 1;
2116 fsa_dev_ptr
[cid
].locked
= 0;
2118 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2119 scsicmd
->scsi_done(scsicmd
);
2122 * These commands are all No-Ops
2124 case TEST_UNIT_READY
:
2128 case REASSIGN_BLOCKS
:
2131 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
2132 scsicmd
->scsi_done(scsicmd
);
2136 switch (scsicmd
->cmnd
[0])
2145 * Hack to keep track of ordinal number of the device that
2146 * corresponds to a container. Needed to convert
2147 * containers to /dev/sd device names
2150 if (scsicmd
->request
->rq_disk
)
2151 strlcpy(fsa_dev_ptr
[cid
].devname
,
2152 scsicmd
->request
->rq_disk
->disk_name
,
2153 min(sizeof(fsa_dev_ptr
[cid
].devname
),
2154 sizeof(scsicmd
->request
->rq_disk
->disk_name
) + 1));
2156 return aac_read(scsicmd
);
2164 return aac_write(scsicmd
);
2166 case SYNCHRONIZE_CACHE
:
2167 /* Issue FIB to tell Firmware to flush it's cache */
2168 return aac_synchronize(scsicmd
);
2172 * Unhandled commands
2174 dprintk((KERN_WARNING
"Unhandled SCSI Command: 0x%x.\n", scsicmd
->cmnd
[0]));
2175 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
2176 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
2177 ILLEGAL_REQUEST
, SENCODE_INVALID_COMMAND
,
2178 ASENCODE_INVALID_COMMAND
, 0, 0, 0, 0);
2179 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
2180 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
2181 ? sizeof(scsicmd
->sense_buffer
)
2182 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
2183 scsicmd
->scsi_done(scsicmd
);
2188 static int query_disk(struct aac_dev
*dev
, void __user
*arg
)
2190 struct aac_query_disk qd
;
2191 struct fsa_dev_info
*fsa_dev_ptr
;
2193 fsa_dev_ptr
= dev
->fsa_dev
;
2196 if (copy_from_user(&qd
, arg
, sizeof (struct aac_query_disk
)))
2200 else if ((qd
.bus
== -1) && (qd
.id
== -1) && (qd
.lun
== -1))
2202 if (qd
.cnum
< 0 || qd
.cnum
>= dev
->maximum_num_containers
)
2204 qd
.instance
= dev
->scsi_host_ptr
->host_no
;
2206 qd
.id
= CONTAINER_TO_ID(qd
.cnum
);
2207 qd
.lun
= CONTAINER_TO_LUN(qd
.cnum
);
2209 else return -EINVAL
;
2211 qd
.valid
= fsa_dev_ptr
[qd
.cnum
].valid
!= 0;
2212 qd
.locked
= fsa_dev_ptr
[qd
.cnum
].locked
;
2213 qd
.deleted
= fsa_dev_ptr
[qd
.cnum
].deleted
;
2215 if (fsa_dev_ptr
[qd
.cnum
].devname
[0] == '\0')
2220 strlcpy(qd
.name
, fsa_dev_ptr
[qd
.cnum
].devname
,
2221 min(sizeof(qd
.name
), sizeof(fsa_dev_ptr
[qd
.cnum
].devname
) + 1));
2223 if (copy_to_user(arg
, &qd
, sizeof (struct aac_query_disk
)))
2228 static int force_delete_disk(struct aac_dev
*dev
, void __user
*arg
)
2230 struct aac_delete_disk dd
;
2231 struct fsa_dev_info
*fsa_dev_ptr
;
2233 fsa_dev_ptr
= dev
->fsa_dev
;
2237 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
2240 if (dd
.cnum
>= dev
->maximum_num_containers
)
2243 * Mark this container as being deleted.
2245 fsa_dev_ptr
[dd
.cnum
].deleted
= 1;
2247 * Mark the container as no longer valid
2249 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
2253 static int delete_disk(struct aac_dev
*dev
, void __user
*arg
)
2255 struct aac_delete_disk dd
;
2256 struct fsa_dev_info
*fsa_dev_ptr
;
2258 fsa_dev_ptr
= dev
->fsa_dev
;
2262 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
2265 if (dd
.cnum
>= dev
->maximum_num_containers
)
2268 * If the container is locked, it can not be deleted by the API.
2270 if (fsa_dev_ptr
[dd
.cnum
].locked
)
2274 * Mark the container as no longer being valid.
2276 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
2277 fsa_dev_ptr
[dd
.cnum
].devname
[0] = '\0';
2282 int aac_dev_ioctl(struct aac_dev
*dev
, int cmd
, void __user
*arg
)
2285 case FSACTL_QUERY_DISK
:
2286 return query_disk(dev
, arg
);
2287 case FSACTL_DELETE_DISK
:
2288 return delete_disk(dev
, arg
);
2289 case FSACTL_FORCE_DELETE_DISK
:
2290 return force_delete_disk(dev
, arg
);
2291 case FSACTL_GET_CONTAINERS
:
2292 return aac_get_containers(dev
);
2301 * @context: the context set in the fib - here it is scsi cmd
2302 * @fibptr: pointer to the fib
2304 * Handles the completion of a scsi command to a non dasd device
2308 static void aac_srb_callback(void *context
, struct fib
* fibptr
)
2310 struct aac_dev
*dev
;
2311 struct aac_srb_reply
*srbreply
;
2312 struct scsi_cmnd
*scsicmd
;
2314 scsicmd
= (struct scsi_cmnd
*) context
;
2316 if (!aac_valid_context(scsicmd
, fibptr
))
2319 BUG_ON(fibptr
== NULL
);
2323 srbreply
= (struct aac_srb_reply
*) fib_data(fibptr
);
2325 scsicmd
->sense_buffer
[0] = '\0'; /* Initialize sense valid flag to false */
2327 * Calculate resid for sg
2330 scsi_set_resid(scsicmd
, scsi_bufflen(scsicmd
)
2331 - le32_to_cpu(srbreply
->data_xfer_length
));
2333 scsi_dma_unmap(scsicmd
);
2336 * First check the fib status
2339 if (le32_to_cpu(srbreply
->status
) != ST_OK
){
2341 printk(KERN_WARNING
"aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply
->status
));
2342 len
= (le32_to_cpu(srbreply
->sense_data_size
) >
2343 sizeof(scsicmd
->sense_buffer
)) ?
2344 sizeof(scsicmd
->sense_buffer
) :
2345 le32_to_cpu(srbreply
->sense_data_size
);
2346 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
2347 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
2351 * Next check the srb status
2353 switch( (le32_to_cpu(srbreply
->srb_status
))&0x3f){
2354 case SRB_STATUS_ERROR_RECOVERY
:
2355 case SRB_STATUS_PENDING
:
2356 case SRB_STATUS_SUCCESS
:
2357 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2359 case SRB_STATUS_DATA_OVERRUN
:
2360 switch(scsicmd
->cmnd
[0]){
2369 if(le32_to_cpu(srbreply
->data_xfer_length
) < scsicmd
->underflow
) {
2370 printk(KERN_WARNING
"aacraid: SCSI CMD underflow\n");
2372 printk(KERN_WARNING
"aacraid: SCSI CMD Data Overrun\n");
2374 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
2377 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2381 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
2385 case SRB_STATUS_ABORTED
:
2386 scsicmd
->result
= DID_ABORT
<< 16 | ABORT
<< 8;
2388 case SRB_STATUS_ABORT_FAILED
:
2389 // Not sure about this one - but assuming the hba was trying to abort for some reason
2390 scsicmd
->result
= DID_ERROR
<< 16 | ABORT
<< 8;
2392 case SRB_STATUS_PARITY_ERROR
:
2393 scsicmd
->result
= DID_PARITY
<< 16 | MSG_PARITY_ERROR
<< 8;
2395 case SRB_STATUS_NO_DEVICE
:
2396 case SRB_STATUS_INVALID_PATH_ID
:
2397 case SRB_STATUS_INVALID_TARGET_ID
:
2398 case SRB_STATUS_INVALID_LUN
:
2399 case SRB_STATUS_SELECTION_TIMEOUT
:
2400 scsicmd
->result
= DID_NO_CONNECT
<< 16 | COMMAND_COMPLETE
<< 8;
2403 case SRB_STATUS_COMMAND_TIMEOUT
:
2404 case SRB_STATUS_TIMEOUT
:
2405 scsicmd
->result
= DID_TIME_OUT
<< 16 | COMMAND_COMPLETE
<< 8;
2408 case SRB_STATUS_BUSY
:
2409 scsicmd
->result
= DID_BUS_BUSY
<< 16 | COMMAND_COMPLETE
<< 8;
2412 case SRB_STATUS_BUS_RESET
:
2413 scsicmd
->result
= DID_RESET
<< 16 | COMMAND_COMPLETE
<< 8;
2416 case SRB_STATUS_MESSAGE_REJECTED
:
2417 scsicmd
->result
= DID_ERROR
<< 16 | MESSAGE_REJECT
<< 8;
2419 case SRB_STATUS_REQUEST_FLUSHED
:
2420 case SRB_STATUS_ERROR
:
2421 case SRB_STATUS_INVALID_REQUEST
:
2422 case SRB_STATUS_REQUEST_SENSE_FAILED
:
2423 case SRB_STATUS_NO_HBA
:
2424 case SRB_STATUS_UNEXPECTED_BUS_FREE
:
2425 case SRB_STATUS_PHASE_SEQUENCE_FAILURE
:
2426 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH
:
2427 case SRB_STATUS_DELAYED_RETRY
:
2428 case SRB_STATUS_BAD_FUNCTION
:
2429 case SRB_STATUS_NOT_STARTED
:
2430 case SRB_STATUS_NOT_IN_USE
:
2431 case SRB_STATUS_FORCE_ABORT
:
2432 case SRB_STATUS_DOMAIN_VALIDATION_FAIL
:
2434 #ifdef AAC_DETAILED_STATUS_INFO
2435 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2436 le32_to_cpu(srbreply
->srb_status
) & 0x3F,
2437 aac_get_status_string(
2438 le32_to_cpu(srbreply
->srb_status
) & 0x3F),
2440 le32_to_cpu(srbreply
->scsi_status
));
2442 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
2445 if (le32_to_cpu(srbreply
->scsi_status
) == 0x02 ){ // Check Condition
2447 scsicmd
->result
|= SAM_STAT_CHECK_CONDITION
;
2448 len
= (le32_to_cpu(srbreply
->sense_data_size
) >
2449 sizeof(scsicmd
->sense_buffer
)) ?
2450 sizeof(scsicmd
->sense_buffer
) :
2451 le32_to_cpu(srbreply
->sense_data_size
);
2452 #ifdef AAC_DETAILED_STATUS_INFO
2453 printk(KERN_WARNING
"aac_srb_callback: check condition, status = %d len=%d\n",
2454 le32_to_cpu(srbreply
->status
), len
);
2456 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
2460 * OR in the scsi status (already shifted up a bit)
2462 scsicmd
->result
|= le32_to_cpu(srbreply
->scsi_status
);
2464 aac_fib_complete(fibptr
);
2465 aac_fib_free(fibptr
);
2466 scsicmd
->scsi_done(scsicmd
);
2472 * @scsicmd: the scsi command block
2474 * This routine will form a FIB and fill in the aac_srb from the
2475 * scsicmd passed in.
2478 static int aac_send_srb_fib(struct scsi_cmnd
* scsicmd
)
2480 struct fib
* cmd_fibcontext
;
2481 struct aac_dev
* dev
;
2484 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2485 if (scmd_id(scsicmd
) >= dev
->maximum_num_physicals
||
2486 scsicmd
->device
->lun
> 7) {
2487 scsicmd
->result
= DID_NO_CONNECT
<< 16;
2488 scsicmd
->scsi_done(scsicmd
);
2493 * Allocate and initialize a Fib then setup a BlockWrite command
2495 if (!(cmd_fibcontext
= aac_fib_alloc(dev
))) {
2498 status
= aac_adapter_scsi(cmd_fibcontext
, scsicmd
);
2501 * Check that the command queued to the controller
2503 if (status
== -EINPROGRESS
) {
2504 scsicmd
->SCp
.phase
= AAC_OWNER_FIRMWARE
;
2508 printk(KERN_WARNING
"aac_srb: aac_fib_send failed with status: %d\n", status
);
2509 aac_fib_complete(cmd_fibcontext
);
2510 aac_fib_free(cmd_fibcontext
);
2515 static unsigned long aac_build_sg(struct scsi_cmnd
* scsicmd
, struct sgmap
* psg
)
2517 struct aac_dev
*dev
;
2518 unsigned long byte_count
= 0;
2521 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2522 // Get rid of old data
2524 psg
->sg
[0].addr
= 0;
2525 psg
->sg
[0].count
= 0;
2527 nseg
= scsi_dma_map(scsicmd
);
2530 struct scatterlist
*sg
;
2533 psg
->count
= cpu_to_le32(nseg
);
2535 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2536 psg
->sg
[i
].addr
= cpu_to_le32(sg_dma_address(sg
));
2537 psg
->sg
[i
].count
= cpu_to_le32(sg_dma_len(sg
));
2538 byte_count
+= sg_dma_len(sg
);
2540 /* hba wants the size to be exact */
2541 if (byte_count
> scsi_bufflen(scsicmd
)) {
2542 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2543 (byte_count
- scsi_bufflen(scsicmd
));
2544 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2545 byte_count
= scsi_bufflen(scsicmd
);
2547 /* Check for command underflow */
2548 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2549 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2550 byte_count
, scsicmd
->underflow
);
2557 static unsigned long aac_build_sg64(struct scsi_cmnd
* scsicmd
, struct sgmap64
* psg
)
2559 struct aac_dev
*dev
;
2560 unsigned long byte_count
= 0;
2564 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2565 // Get rid of old data
2567 psg
->sg
[0].addr
[0] = 0;
2568 psg
->sg
[0].addr
[1] = 0;
2569 psg
->sg
[0].count
= 0;
2571 nseg
= scsi_dma_map(scsicmd
);
2574 struct scatterlist
*sg
;
2577 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2578 int count
= sg_dma_len(sg
);
2579 addr
= sg_dma_address(sg
);
2580 psg
->sg
[i
].addr
[0] = cpu_to_le32(addr
& 0xffffffff);
2581 psg
->sg
[i
].addr
[1] = cpu_to_le32(addr
>>32);
2582 psg
->sg
[i
].count
= cpu_to_le32(count
);
2583 byte_count
+= count
;
2585 psg
->count
= cpu_to_le32(nseg
);
2586 /* hba wants the size to be exact */
2587 if (byte_count
> scsi_bufflen(scsicmd
)) {
2588 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2589 (byte_count
- scsi_bufflen(scsicmd
));
2590 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2591 byte_count
= scsi_bufflen(scsicmd
);
2593 /* Check for command underflow */
2594 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2595 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2596 byte_count
, scsicmd
->underflow
);
2602 static unsigned long aac_build_sgraw(struct scsi_cmnd
* scsicmd
, struct sgmapraw
* psg
)
2604 unsigned long byte_count
= 0;
2607 // Get rid of old data
2609 psg
->sg
[0].next
= 0;
2610 psg
->sg
[0].prev
= 0;
2611 psg
->sg
[0].addr
[0] = 0;
2612 psg
->sg
[0].addr
[1] = 0;
2613 psg
->sg
[0].count
= 0;
2614 psg
->sg
[0].flags
= 0;
2616 nseg
= scsi_dma_map(scsicmd
);
2619 struct scatterlist
*sg
;
2622 scsi_for_each_sg(scsicmd
, sg
, nseg
, i
) {
2623 int count
= sg_dma_len(sg
);
2624 u64 addr
= sg_dma_address(sg
);
2625 psg
->sg
[i
].next
= 0;
2626 psg
->sg
[i
].prev
= 0;
2627 psg
->sg
[i
].addr
[1] = cpu_to_le32((u32
)(addr
>>32));
2628 psg
->sg
[i
].addr
[0] = cpu_to_le32((u32
)(addr
& 0xffffffff));
2629 psg
->sg
[i
].count
= cpu_to_le32(count
);
2630 psg
->sg
[i
].flags
= 0;
2631 byte_count
+= count
;
2633 psg
->count
= cpu_to_le32(nseg
);
2634 /* hba wants the size to be exact */
2635 if (byte_count
> scsi_bufflen(scsicmd
)) {
2636 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2637 (byte_count
- scsi_bufflen(scsicmd
));
2638 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2639 byte_count
= scsi_bufflen(scsicmd
);
2641 /* Check for command underflow */
2642 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2643 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2644 byte_count
, scsicmd
->underflow
);
2650 #ifdef AAC_DETAILED_STATUS_INFO
2652 struct aac_srb_status_info
{
2658 static struct aac_srb_status_info srb_status_info
[] = {
2659 { SRB_STATUS_PENDING
, "Pending Status"},
2660 { SRB_STATUS_SUCCESS
, "Success"},
2661 { SRB_STATUS_ABORTED
, "Aborted Command"},
2662 { SRB_STATUS_ABORT_FAILED
, "Abort Failed"},
2663 { SRB_STATUS_ERROR
, "Error Event"},
2664 { SRB_STATUS_BUSY
, "Device Busy"},
2665 { SRB_STATUS_INVALID_REQUEST
, "Invalid Request"},
2666 { SRB_STATUS_INVALID_PATH_ID
, "Invalid Path ID"},
2667 { SRB_STATUS_NO_DEVICE
, "No Device"},
2668 { SRB_STATUS_TIMEOUT
, "Timeout"},
2669 { SRB_STATUS_SELECTION_TIMEOUT
, "Selection Timeout"},
2670 { SRB_STATUS_COMMAND_TIMEOUT
, "Command Timeout"},
2671 { SRB_STATUS_MESSAGE_REJECTED
, "Message Rejected"},
2672 { SRB_STATUS_BUS_RESET
, "Bus Reset"},
2673 { SRB_STATUS_PARITY_ERROR
, "Parity Error"},
2674 { SRB_STATUS_REQUEST_SENSE_FAILED
,"Request Sense Failed"},
2675 { SRB_STATUS_NO_HBA
, "No HBA"},
2676 { SRB_STATUS_DATA_OVERRUN
, "Data Overrun/Data Underrun"},
2677 { SRB_STATUS_UNEXPECTED_BUS_FREE
,"Unexpected Bus Free"},
2678 { SRB_STATUS_PHASE_SEQUENCE_FAILURE
,"Phase Error"},
2679 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH
,"Bad Srb Block Length"},
2680 { SRB_STATUS_REQUEST_FLUSHED
, "Request Flushed"},
2681 { SRB_STATUS_DELAYED_RETRY
, "Delayed Retry"},
2682 { SRB_STATUS_INVALID_LUN
, "Invalid LUN"},
2683 { SRB_STATUS_INVALID_TARGET_ID
, "Invalid TARGET ID"},
2684 { SRB_STATUS_BAD_FUNCTION
, "Bad Function"},
2685 { SRB_STATUS_ERROR_RECOVERY
, "Error Recovery"},
2686 { SRB_STATUS_NOT_STARTED
, "Not Started"},
2687 { SRB_STATUS_NOT_IN_USE
, "Not In Use"},
2688 { SRB_STATUS_FORCE_ABORT
, "Force Abort"},
2689 { SRB_STATUS_DOMAIN_VALIDATION_FAIL
,"Domain Validation Failure"},
2690 { 0xff, "Unknown Error"}
2693 char *aac_get_status_string(u32 status
)
2697 for (i
= 0; i
< ARRAY_SIZE(srb_status_info
); i
++)
2698 if (srb_status_info
[i
].status
== status
)
2699 return srb_status_info
[i
].str
;
2701 return "Bad Status Code";