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 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/sched.h>
30 #include <linux/pci.h>
31 #include <linux/spinlock.h>
32 #include <linux/slab.h>
33 #include <linux/completion.h>
34 #include <linux/blkdev.h>
35 #include <asm/semaphore.h>
36 #include <asm/uaccess.h>
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 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 dacmode
= -1;
148 static int commit
= -1;
150 module_param(nondasd
, int, 0);
151 MODULE_PARM_DESC(nondasd
, "Control scanning of hba for nondasd devices. 0=off, 1=on");
152 module_param(dacmode
, int, 0);
153 MODULE_PARM_DESC(dacmode
, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
154 module_param(commit
, int, 0);
155 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");
158 module_param(numacb
, int, S_IRUGO
|S_IWUSR
);
159 MODULE_PARM_DESC(numacb
, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid\nvalues are 512 and down. Default is to use suggestion from Firmware.");
162 module_param(acbsize
, int, S_IRUGO
|S_IWUSR
);
163 MODULE_PARM_DESC(acbsize
, "Request a specific adapter control block (FIB) size. Valid values are 512,\n2048, 4096 and 8192. Default is to use suggestion from Firmware.");
165 * aac_get_config_status - check the adapter configuration
166 * @common: adapter to query
168 * Query config status, and commit the configuration if needed.
170 int aac_get_config_status(struct aac_dev
*dev
)
175 if (!(fibptr
= fib_alloc(dev
)))
180 struct aac_get_config_status
*dinfo
;
181 dinfo
= (struct aac_get_config_status
*) fib_data(fibptr
);
183 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
184 dinfo
->type
= cpu_to_le32(CT_GET_CONFIG_STATUS
);
185 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_config_status_resp
*)NULL
)->data
));
188 status
= fib_send(ContainerCommand
,
190 sizeof (struct aac_get_config_status
),
195 printk(KERN_WARNING
"aac_get_config_status: SendFIB failed.\n");
197 struct aac_get_config_status_resp
*reply
198 = (struct aac_get_config_status_resp
*) fib_data(fibptr
);
199 dprintk((KERN_WARNING
200 "aac_get_config_status: response=%d status=%d action=%d\n",
201 le32_to_cpu(reply
->response
),
202 le32_to_cpu(reply
->status
),
203 le32_to_cpu(reply
->data
.action
)));
204 if ((le32_to_cpu(reply
->response
) != ST_OK
) ||
205 (le32_to_cpu(reply
->status
) != CT_OK
) ||
206 (le32_to_cpu(reply
->data
.action
) > CFACT_PAUSE
)) {
207 printk(KERN_WARNING
"aac_get_config_status: Will not issue the Commit Configuration\n");
211 fib_complete(fibptr
);
212 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
215 struct aac_commit_config
* dinfo
;
217 dinfo
= (struct aac_commit_config
*) fib_data(fibptr
);
219 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
220 dinfo
->type
= cpu_to_le32(CT_COMMIT_CONFIG
);
222 status
= fib_send(ContainerCommand
,
224 sizeof (struct aac_commit_config
),
228 fib_complete(fibptr
);
229 } else if (commit
== 0) {
231 "aac_get_config_status: Foreign device configurations are being ignored\n");
239 * aac_get_containers - list containers
240 * @common: adapter to probe
242 * Make a list of all containers on this controller
244 int aac_get_containers(struct aac_dev
*dev
)
246 struct fsa_dev_info
*fsa_dev_ptr
;
251 struct aac_get_container_count
*dinfo
;
252 struct aac_get_container_count_resp
*dresp
;
253 int maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
255 instance
= dev
->scsi_host_ptr
->unique_id
;
257 if (!(fibptr
= fib_alloc(dev
)))
261 dinfo
= (struct aac_get_container_count
*) fib_data(fibptr
);
262 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
263 dinfo
->type
= cpu_to_le32(CT_GET_CONTAINER_COUNT
);
265 status
= fib_send(ContainerCommand
,
267 sizeof (struct aac_get_container_count
),
272 dresp
= (struct aac_get_container_count_resp
*)fib_data(fibptr
);
273 maximum_num_containers
= le32_to_cpu(dresp
->ContainerSwitchEntries
);
274 fib_complete(fibptr
);
277 if (maximum_num_containers
< MAXIMUM_NUM_CONTAINERS
)
278 maximum_num_containers
= MAXIMUM_NUM_CONTAINERS
;
279 fsa_dev_ptr
= (struct fsa_dev_info
*) kmalloc(
280 sizeof(*fsa_dev_ptr
) * maximum_num_containers
, GFP_KERNEL
);
285 memset(fsa_dev_ptr
, 0, sizeof(*fsa_dev_ptr
) * maximum_num_containers
);
287 dev
->fsa_dev
= fsa_dev_ptr
;
288 dev
->maximum_num_containers
= maximum_num_containers
;
290 for (index
= 0; index
< dev
->maximum_num_containers
; index
++) {
291 struct aac_query_mount
*dinfo
;
292 struct aac_mount
*dresp
;
294 fsa_dev_ptr
[index
].devname
[0] = '\0';
297 dinfo
= (struct aac_query_mount
*) fib_data(fibptr
);
299 dinfo
->command
= cpu_to_le32(VM_NameServe
);
300 dinfo
->count
= cpu_to_le32(index
);
301 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
303 status
= fib_send(ContainerCommand
,
305 sizeof (struct aac_query_mount
),
310 printk(KERN_WARNING
"aac_get_containers: SendFIB failed.\n");
313 dresp
= (struct aac_mount
*)fib_data(fibptr
);
316 "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n",
317 (int)index
, (int)le32_to_cpu(dresp
->status
),
318 (int)le32_to_cpu(dresp
->mnt
[0].vol
),
319 (int)le32_to_cpu(dresp
->mnt
[0].state
),
320 (unsigned)le32_to_cpu(dresp
->mnt
[0].capacity
)));
321 if ((le32_to_cpu(dresp
->status
) == ST_OK
) &&
322 (le32_to_cpu(dresp
->mnt
[0].vol
) != CT_NONE
) &&
323 (le32_to_cpu(dresp
->mnt
[0].state
) != FSCS_HIDDEN
)) {
324 fsa_dev_ptr
[index
].valid
= 1;
325 fsa_dev_ptr
[index
].type
= le32_to_cpu(dresp
->mnt
[0].vol
);
326 fsa_dev_ptr
[index
].size
= le32_to_cpu(dresp
->mnt
[0].capacity
);
327 if (le32_to_cpu(dresp
->mnt
[0].state
) & FSCS_READONLY
)
328 fsa_dev_ptr
[index
].ro
= 1;
330 fib_complete(fibptr
);
332 * If there are no more containers, then stop asking.
334 if ((index
+ 1) >= le32_to_cpu(dresp
->count
)){
342 static void aac_io_done(struct scsi_cmnd
* scsicmd
)
344 unsigned long cpu_flags
;
345 struct Scsi_Host
*host
= scsicmd
->device
->host
;
346 spin_lock_irqsave(host
->host_lock
, cpu_flags
);
347 scsicmd
->scsi_done(scsicmd
);
348 spin_unlock_irqrestore(host
->host_lock
, cpu_flags
);
351 static void get_container_name_callback(void *context
, struct fib
* fibptr
)
353 struct aac_get_name_resp
* get_name_reply
;
354 struct scsi_cmnd
* scsicmd
;
356 scsicmd
= (struct scsi_cmnd
*) context
;
358 dprintk((KERN_DEBUG
"get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies
));
362 get_name_reply
= (struct aac_get_name_resp
*) fib_data(fibptr
);
363 /* Failure is irrelevant, using default value instead */
364 if ((le32_to_cpu(get_name_reply
->status
) == CT_OK
)
365 && (get_name_reply
->data
[0] != '\0')) {
368 char * sp
= get_name_reply
->data
;
369 sp
[sizeof(((struct aac_get_name_resp
*)NULL
)->data
)-1] = '\0';
372 count
= sizeof(((struct inquiry_data
*)NULL
)->inqd_pid
);
373 dp
= ((struct inquiry_data
*)scsicmd
->request_buffer
)->inqd_pid
;
375 *dp
++ = (*sp
) ? *sp
++ : ' ';
376 } while (--count
> 0);
378 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
380 fib_complete(fibptr
);
382 aac_io_done(scsicmd
);
386 * aac_get_container_name - get container name, none blocking.
388 static int aac_get_container_name(struct scsi_cmnd
* scsicmd
, int cid
)
391 struct aac_get_name
*dinfo
;
392 struct fib
* cmd_fibcontext
;
393 struct aac_dev
* dev
;
395 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
397 if (!(cmd_fibcontext
= fib_alloc(dev
)))
400 fib_init(cmd_fibcontext
);
401 dinfo
= (struct aac_get_name
*) fib_data(cmd_fibcontext
);
403 dinfo
->command
= cpu_to_le32(VM_ContainerConfig
);
404 dinfo
->type
= cpu_to_le32(CT_READ_NAME
);
405 dinfo
->cid
= cpu_to_le32(cid
);
406 dinfo
->count
= cpu_to_le32(sizeof(((struct aac_get_name_resp
*)NULL
)->data
));
408 status
= fib_send(ContainerCommand
,
410 sizeof (struct aac_get_name
),
413 (fib_callback
) get_container_name_callback
,
417 * Check that the command queued to the controller
419 if (status
== -EINPROGRESS
)
422 printk(KERN_WARNING
"aac_get_container_name: fib_send failed with status: %d.\n", status
);
423 fib_complete(cmd_fibcontext
);
424 fib_free(cmd_fibcontext
);
429 * probe_container - query a logical volume
430 * @dev: device to query
431 * @cid: container identifier
433 * Queries the controller about the given volume. The volume information
434 * is updated in the struct fsa_dev_info structure rather than returned.
437 static int probe_container(struct aac_dev
*dev
, int cid
)
439 struct fsa_dev_info
*fsa_dev_ptr
;
441 struct aac_query_mount
*dinfo
;
442 struct aac_mount
*dresp
;
446 fsa_dev_ptr
= dev
->fsa_dev
;
447 instance
= dev
->scsi_host_ptr
->unique_id
;
449 if (!(fibptr
= fib_alloc(dev
)))
454 dinfo
= (struct aac_query_mount
*)fib_data(fibptr
);
456 dinfo
->command
= cpu_to_le32(VM_NameServe
);
457 dinfo
->count
= cpu_to_le32(cid
);
458 dinfo
->type
= cpu_to_le32(FT_FILESYS
);
460 status
= fib_send(ContainerCommand
,
462 sizeof(struct aac_query_mount
),
467 printk(KERN_WARNING
"aacraid: probe_container query failed.\n");
471 dresp
= (struct aac_mount
*) fib_data(fibptr
);
473 if ((le32_to_cpu(dresp
->status
) == ST_OK
) &&
474 (le32_to_cpu(dresp
->mnt
[0].vol
) != CT_NONE
) &&
475 (le32_to_cpu(dresp
->mnt
[0].state
) != FSCS_HIDDEN
)) {
476 fsa_dev_ptr
[cid
].valid
= 1;
477 fsa_dev_ptr
[cid
].type
= le32_to_cpu(dresp
->mnt
[0].vol
);
478 fsa_dev_ptr
[cid
].size
= le32_to_cpu(dresp
->mnt
[0].capacity
);
479 if (le32_to_cpu(dresp
->mnt
[0].state
) & FSCS_READONLY
)
480 fsa_dev_ptr
[cid
].ro
= 1;
484 fib_complete(fibptr
);
490 /* Local Structure to set SCSI inquiry data strings */
492 char vid
[8]; /* Vendor ID */
493 char pid
[16]; /* Product ID */
494 char prl
[4]; /* Product Revision Level */
498 * InqStrCopy - string merge
499 * @a: string to copy from
500 * @b: string to copy to
502 * Copy a String from one location to another
506 static void inqstrcpy(char *a
, char *b
)
513 static char *container_types
[] = {
539 /* Function: setinqstr
541 * Arguments: [1] pointer to void [1] int
543 * Purpose: Sets SCSI inquiry data strings for vendor, product
544 * and revision level. Allows strings to be set in platform dependant
545 * files instead of in OS dependant driver source.
548 static void setinqstr(int devtype
, void *data
, int tindex
)
550 struct scsi_inq
*str
;
551 struct aac_driver_ident
*mp
;
553 mp
= aac_get_driver_ident(devtype
);
555 str
= (struct scsi_inq
*)(data
); /* cast data to scsi inq block */
557 inqstrcpy (mp
->vname
, str
->vid
);
558 inqstrcpy (mp
->model
, str
->pid
); /* last six chars reserved for vol type */
560 if (tindex
< (sizeof(container_types
)/sizeof(char *))){
561 char *findit
= str
->pid
;
563 for ( ; *findit
!= ' '; findit
++); /* walk till we find a space */
564 /* RAID is superfluous in the context of a RAID device */
565 if (memcmp(findit
-4, "RAID", 4) == 0)
566 *(findit
-= 4) = ' ';
567 inqstrcpy (container_types
[tindex
], findit
+ 1);
569 inqstrcpy ("V1.0", str
->prl
);
572 static void set_sense(u8
*sense_buf
, u8 sense_key
, u8 sense_code
,
573 u8 a_sense_code
, u8 incorrect_length
,
574 u8 bit_pointer
, u16 field_pointer
,
577 sense_buf
[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
578 sense_buf
[1] = 0; /* Segment number, always zero */
580 if (incorrect_length
) {
581 sense_buf
[2] = sense_key
| 0x20;/* Set ILI bit | sense key */
582 sense_buf
[3] = BYTE3(residue
);
583 sense_buf
[4] = BYTE2(residue
);
584 sense_buf
[5] = BYTE1(residue
);
585 sense_buf
[6] = BYTE0(residue
);
587 sense_buf
[2] = sense_key
; /* Sense key */
589 if (sense_key
== ILLEGAL_REQUEST
)
590 sense_buf
[7] = 10; /* Additional sense length */
592 sense_buf
[7] = 6; /* Additional sense length */
594 sense_buf
[12] = sense_code
; /* Additional sense code */
595 sense_buf
[13] = a_sense_code
; /* Additional sense code qualifier */
596 if (sense_key
== ILLEGAL_REQUEST
) {
599 if (sense_code
== SENCODE_INVALID_PARAM_FIELD
)
600 sense_buf
[15] = 0x80;/* Std sense key specific field */
601 /* Illegal parameter is in the parameter block */
603 if (sense_code
== SENCODE_INVALID_CDB_FIELD
)
604 sense_buf
[15] = 0xc0;/* Std sense key specific field */
605 /* Illegal parameter is in the CDB block */
606 sense_buf
[15] |= bit_pointer
;
607 sense_buf
[16] = field_pointer
>> 8; /* MSB */
608 sense_buf
[17] = field_pointer
; /* LSB */
612 int aac_get_adapter_info(struct aac_dev
* dev
)
617 struct aac_adapter_info
*info
;
618 struct aac_bus_info
*command
;
619 struct aac_bus_info_response
*bus_info
;
621 if (!(fibptr
= fib_alloc(dev
)))
625 info
= (struct aac_adapter_info
*) fib_data(fibptr
);
626 memset(info
,0,sizeof(*info
));
628 rcode
= fib_send(RequestAdapterInfo
,
637 fib_complete(fibptr
);
641 memcpy(&dev
->adapter_info
, info
, sizeof(*info
));
643 if (dev
->adapter_info
.options
& AAC_OPT_SUPPLEMENT_ADAPTER_INFO
) {
644 struct aac_supplement_adapter_info
* info
;
648 info
= (struct aac_supplement_adapter_info
*) fib_data(fibptr
);
650 memset(info
,0,sizeof(*info
));
652 rcode
= fib_send(RequestSupplementAdapterInfo
,
661 memcpy(&dev
->supplement_adapter_info
, info
, sizeof(*info
));
671 bus_info
= (struct aac_bus_info_response
*) fib_data(fibptr
);
673 memset(bus_info
, 0, sizeof(*bus_info
));
675 command
= (struct aac_bus_info
*)bus_info
;
677 command
->Command
= cpu_to_le32(VM_Ioctl
);
678 command
->ObjType
= cpu_to_le32(FT_DRIVE
);
679 command
->MethodId
= cpu_to_le32(1);
680 command
->CtlCmd
= cpu_to_le32(GetBusInfo
);
682 rcode
= fib_send(ContainerCommand
,
689 if (rcode
>= 0 && le32_to_cpu(bus_info
->Status
) == ST_OK
) {
690 dev
->maximum_num_physicals
= le32_to_cpu(bus_info
->TargetsPerBus
);
691 dev
->maximum_num_channels
= le32_to_cpu(bus_info
->BusCount
);
694 tmp
= le32_to_cpu(dev
->adapter_info
.kernelrev
);
695 printk(KERN_INFO
"%s%d: kernel %d.%d-%d[%d] %.*s\n",
701 le32_to_cpu(dev
->adapter_info
.kernelbuild
),
702 (int)sizeof(dev
->supplement_adapter_info
.BuildDate
),
703 dev
->supplement_adapter_info
.BuildDate
);
704 tmp
= le32_to_cpu(dev
->adapter_info
.monitorrev
);
705 printk(KERN_INFO
"%s%d: monitor %d.%d-%d[%d]\n",
707 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
708 le32_to_cpu(dev
->adapter_info
.monitorbuild
));
709 tmp
= le32_to_cpu(dev
->adapter_info
.biosrev
);
710 printk(KERN_INFO
"%s%d: bios %d.%d-%d[%d]\n",
712 tmp
>>24,(tmp
>>16)&0xff,tmp
&0xff,
713 le32_to_cpu(dev
->adapter_info
.biosbuild
));
714 if (le32_to_cpu(dev
->adapter_info
.serial
[0]) != 0xBAD0)
715 printk(KERN_INFO
"%s%d: serial %x\n",
717 le32_to_cpu(dev
->adapter_info
.serial
[0]));
719 dev
->nondasd_support
= 0;
720 dev
->raid_scsi_mode
= 0;
721 if(dev
->adapter_info
.options
& AAC_OPT_NONDASD
){
722 dev
->nondasd_support
= 1;
726 * If the firmware supports ROMB RAID/SCSI mode and we are currently
727 * in RAID/SCSI mode, set the flag. For now if in this mode we will
728 * force nondasd support on. If we decide to allow the non-dasd flag
729 * additional changes changes will have to be made to support
730 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
731 * changed to support the new dev->raid_scsi_mode flag instead of
732 * leaching off of the dev->nondasd_support flag. Also in linit.c the
733 * function aac_detect will have to be modified where it sets up the
734 * max number of channels based on the aac->nondasd_support flag only.
736 if ((dev
->adapter_info
.options
& AAC_OPT_SCSI_MANAGED
) &&
737 (dev
->adapter_info
.options
& AAC_OPT_RAID_SCSI_MODE
)) {
738 dev
->nondasd_support
= 1;
739 dev
->raid_scsi_mode
= 1;
741 if (dev
->raid_scsi_mode
!= 0)
742 printk(KERN_INFO
"%s%d: ROMB RAID/SCSI mode enabled\n",
746 dev
->nondasd_support
= (nondasd
!=0);
748 if(dev
->nondasd_support
!= 0){
749 printk(KERN_INFO
"%s%d: Non-DASD support enabled.\n",dev
->name
, dev
->id
);
752 dev
->dac_support
= 0;
753 if( (sizeof(dma_addr_t
) > 4) && (dev
->adapter_info
.options
& AAC_OPT_SGMAP_HOST64
)){
754 printk(KERN_INFO
"%s%d: 64bit support enabled.\n", dev
->name
, dev
->id
);
755 dev
->dac_support
= 1;
759 dev
->dac_support
= (dacmode
!=0);
761 if(dev
->dac_support
!= 0) {
762 if (!pci_set_dma_mask(dev
->pdev
, 0xFFFFFFFFFFFFFFFFULL
) &&
763 !pci_set_consistent_dma_mask(dev
->pdev
, 0xFFFFFFFFFFFFFFFFULL
)) {
764 printk(KERN_INFO
"%s%d: 64 Bit DAC enabled\n",
766 } else if (!pci_set_dma_mask(dev
->pdev
, 0xFFFFFFFFULL
) &&
767 !pci_set_consistent_dma_mask(dev
->pdev
, 0xFFFFFFFFULL
)) {
768 printk(KERN_INFO
"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
770 dev
->dac_support
= 0;
772 printk(KERN_WARNING
"%s%d: No suitable DMA available.\n",
778 * 57 scatter gather elements
780 dev
->scsi_host_ptr
->sg_tablesize
= (dev
->max_fib_size
-
781 sizeof(struct aac_fibhdr
) -
782 sizeof(struct aac_write
) + sizeof(struct sgmap
)) /
783 sizeof(struct sgmap
);
784 if (dev
->dac_support
) {
786 * 38 scatter gather elements
788 dev
->scsi_host_ptr
->sg_tablesize
=
790 sizeof(struct aac_fibhdr
) -
791 sizeof(struct aac_write64
) +
792 sizeof(struct sgmap64
)) /
793 sizeof(struct sgmap64
);
795 dev
->scsi_host_ptr
->max_sectors
= AAC_MAX_32BIT_SGBCOUNT
;
796 if(!(dev
->adapter_info
.options
& AAC_OPT_NEW_COMM
)) {
798 * Worst case size that could cause sg overflow when
799 * we break up SG elements that are larger than 64KB.
800 * Would be nice if we could tell the SCSI layer what
801 * the maximum SG element size can be. Worst case is
802 * (sg_tablesize-1) 4KB elements with one 64KB
804 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
806 dev
->scsi_host_ptr
->max_sectors
=
807 (dev
->scsi_host_ptr
->sg_tablesize
* 8) + 112;
810 fib_complete(fibptr
);
817 static void read_callback(void *context
, struct fib
* fibptr
)
820 struct aac_read_reply
*readreply
;
821 struct scsi_cmnd
*scsicmd
;
825 scsicmd
= (struct scsi_cmnd
*) context
;
827 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
828 cid
= ID_LUN_TO_CONTAINER(scsicmd
->device
->id
, scsicmd
->device
->lun
);
830 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
831 dprintk((KERN_DEBUG
"read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba
, jiffies
));
837 pci_unmap_sg(dev
->pdev
,
838 (struct scatterlist
*)scsicmd
->buffer
,
840 scsicmd
->sc_data_direction
);
841 else if(scsicmd
->request_bufflen
)
842 pci_unmap_single(dev
->pdev
, scsicmd
->SCp
.dma_handle
,
843 scsicmd
->request_bufflen
,
844 scsicmd
->sc_data_direction
);
845 readreply
= (struct aac_read_reply
*)fib_data(fibptr
);
846 if (le32_to_cpu(readreply
->status
) == ST_OK
)
847 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
849 #ifdef AAC_DETAILED_STATUS_INFO
850 printk(KERN_WARNING
"read_callback: io failed, status = %d\n",
851 le32_to_cpu(readreply
->status
));
853 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
854 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
856 SENCODE_INTERNAL_TARGET_FAILURE
,
857 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
859 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
860 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
861 ? sizeof(scsicmd
->sense_buffer
)
862 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
864 fib_complete(fibptr
);
867 aac_io_done(scsicmd
);
870 static void write_callback(void *context
, struct fib
* fibptr
)
873 struct aac_write_reply
*writereply
;
874 struct scsi_cmnd
*scsicmd
;
878 scsicmd
= (struct scsi_cmnd
*) context
;
879 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
880 cid
= ID_LUN_TO_CONTAINER(scsicmd
->device
->id
, scsicmd
->device
->lun
);
882 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
883 dprintk((KERN_DEBUG
"write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba
, jiffies
));
888 pci_unmap_sg(dev
->pdev
,
889 (struct scatterlist
*)scsicmd
->buffer
,
891 scsicmd
->sc_data_direction
);
892 else if(scsicmd
->request_bufflen
)
893 pci_unmap_single(dev
->pdev
, scsicmd
->SCp
.dma_handle
,
894 scsicmd
->request_bufflen
,
895 scsicmd
->sc_data_direction
);
897 writereply
= (struct aac_write_reply
*) fib_data(fibptr
);
898 if (le32_to_cpu(writereply
->status
) == ST_OK
)
899 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
901 printk(KERN_WARNING
"write_callback: write failed, status = %d\n", writereply
->status
);
902 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
903 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
905 SENCODE_INTERNAL_TARGET_FAILURE
,
906 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
908 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
909 sizeof(struct sense_data
));
912 fib_complete(fibptr
);
914 aac_io_done(scsicmd
);
917 static int aac_read(struct scsi_cmnd
* scsicmd
, int cid
)
925 struct fib
* cmd_fibcontext
;
927 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
929 * Get block address and transfer length
931 if (scsicmd
->cmnd
[0] == READ_6
) /* 6 byte command */
933 dprintk((KERN_DEBUG
"aachba: received a read(6) command on id %d.\n", cid
));
935 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
936 count
= scsicmd
->cmnd
[4];
941 dprintk((KERN_DEBUG
"aachba: received a read(10) command on id %d.\n", cid
));
943 lba
= (scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16) | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
944 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
946 dprintk((KERN_DEBUG
"aac_read[cpu %d]: lba = %u, t = %ld.\n",
947 smp_processor_id(), (unsigned long long)lba
, jiffies
));
949 * Alocate and initialize a Fib
951 if (!(cmd_fibcontext
= fib_alloc(dev
))) {
955 fib_init(cmd_fibcontext
);
957 if (dev
->dac_support
== 1) {
958 struct aac_read64
*readcmd
;
959 readcmd
= (struct aac_read64
*) fib_data(cmd_fibcontext
);
960 readcmd
->command
= cpu_to_le32(VM_CtHostRead64
);
961 readcmd
->cid
= cpu_to_le16(cid
);
962 readcmd
->sector_count
= cpu_to_le16(count
);
963 readcmd
->block
= cpu_to_le32(lba
);
967 aac_build_sg64(scsicmd
, &readcmd
->sg
);
968 fibsize
= sizeof(struct aac_read64
) +
969 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
970 sizeof (struct sgentry64
));
971 BUG_ON (fibsize
> (sizeof(struct hw_fib
) -
972 sizeof(struct aac_fibhdr
)));
974 * Now send the Fib to the adapter
976 status
= fib_send(ContainerCommand64
,
981 (fib_callback
) read_callback
,
984 struct aac_read
*readcmd
;
985 readcmd
= (struct aac_read
*) fib_data(cmd_fibcontext
);
986 readcmd
->command
= cpu_to_le32(VM_CtBlockRead
);
987 readcmd
->cid
= cpu_to_le32(cid
);
988 readcmd
->block
= cpu_to_le32(lba
);
989 readcmd
->count
= cpu_to_le32(count
* 512);
991 aac_build_sg(scsicmd
, &readcmd
->sg
);
992 fibsize
= sizeof(struct aac_read
) +
993 ((le32_to_cpu(readcmd
->sg
.count
) - 1) *
994 sizeof (struct sgentry
));
995 BUG_ON (fibsize
> (dev
->max_fib_size
-
996 sizeof(struct aac_fibhdr
)));
998 * Now send the Fib to the adapter
1000 status
= fib_send(ContainerCommand
,
1005 (fib_callback
) read_callback
,
1012 * Check that the command queued to the controller
1014 if (status
== -EINPROGRESS
)
1017 printk(KERN_WARNING
"aac_read: fib_send failed with status: %d.\n", status
);
1019 * For some reason, the Fib didn't queue, return QUEUE_FULL
1021 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1022 aac_io_done(scsicmd
);
1023 fib_complete(cmd_fibcontext
);
1024 fib_free(cmd_fibcontext
);
1028 static int aac_write(struct scsi_cmnd
* scsicmd
, int cid
)
1034 struct aac_dev
*dev
;
1035 struct fib
* cmd_fibcontext
;
1037 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1039 * Get block address and transfer length
1041 if (scsicmd
->cmnd
[0] == WRITE_6
) /* 6 byte command */
1043 lba
= ((scsicmd
->cmnd
[1] & 0x1F) << 16) | (scsicmd
->cmnd
[2] << 8) | scsicmd
->cmnd
[3];
1044 count
= scsicmd
->cmnd
[4];
1048 dprintk((KERN_DEBUG
"aachba: received a write(10) command on id %d.\n", cid
));
1049 lba
= (scsicmd
->cmnd
[2] << 24) | (scsicmd
->cmnd
[3] << 16) | (scsicmd
->cmnd
[4] << 8) | scsicmd
->cmnd
[5];
1050 count
= (scsicmd
->cmnd
[7] << 8) | scsicmd
->cmnd
[8];
1052 dprintk((KERN_DEBUG
"aac_write[cpu %d]: lba = %u, t = %ld.\n",
1053 smp_processor_id(), (unsigned long long)lba
, jiffies
));
1055 * Allocate and initialize a Fib then setup a BlockWrite command
1057 if (!(cmd_fibcontext
= fib_alloc(dev
))) {
1058 scsicmd
->result
= DID_ERROR
<< 16;
1059 aac_io_done(scsicmd
);
1062 fib_init(cmd_fibcontext
);
1064 if(dev
->dac_support
== 1) {
1065 struct aac_write64
*writecmd
;
1066 writecmd
= (struct aac_write64
*) fib_data(cmd_fibcontext
);
1067 writecmd
->command
= cpu_to_le32(VM_CtHostWrite64
);
1068 writecmd
->cid
= cpu_to_le16(cid
);
1069 writecmd
->sector_count
= cpu_to_le16(count
);
1070 writecmd
->block
= cpu_to_le32(lba
);
1072 writecmd
->flags
= 0;
1074 aac_build_sg64(scsicmd
, &writecmd
->sg
);
1075 fibsize
= sizeof(struct aac_write64
) +
1076 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1077 sizeof (struct sgentry64
));
1078 BUG_ON (fibsize
> (dev
->max_fib_size
-
1079 sizeof(struct aac_fibhdr
)));
1081 * Now send the Fib to the adapter
1083 status
= fib_send(ContainerCommand64
,
1088 (fib_callback
) write_callback
,
1091 struct aac_write
*writecmd
;
1092 writecmd
= (struct aac_write
*) fib_data(cmd_fibcontext
);
1093 writecmd
->command
= cpu_to_le32(VM_CtBlockWrite
);
1094 writecmd
->cid
= cpu_to_le32(cid
);
1095 writecmd
->block
= cpu_to_le32(lba
);
1096 writecmd
->count
= cpu_to_le32(count
* 512);
1097 writecmd
->sg
.count
= cpu_to_le32(1);
1098 /* ->stable is not used - it did mean which type of write */
1100 aac_build_sg(scsicmd
, &writecmd
->sg
);
1101 fibsize
= sizeof(struct aac_write
) +
1102 ((le32_to_cpu(writecmd
->sg
.count
) - 1) *
1103 sizeof (struct sgentry
));
1104 BUG_ON (fibsize
> (dev
->max_fib_size
-
1105 sizeof(struct aac_fibhdr
)));
1107 * Now send the Fib to the adapter
1109 status
= fib_send(ContainerCommand
,
1114 (fib_callback
) write_callback
,
1119 * Check that the command queued to the controller
1121 if (status
== -EINPROGRESS
)
1126 printk(KERN_WARNING
"aac_write: fib_send failed with status: %d\n", status
);
1128 * For some reason, the Fib didn't queue, return QUEUE_FULL
1130 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_TASK_SET_FULL
;
1131 aac_io_done(scsicmd
);
1133 fib_complete(cmd_fibcontext
);
1134 fib_free(cmd_fibcontext
);
1138 static void synchronize_callback(void *context
, struct fib
*fibptr
)
1140 struct aac_synchronize_reply
*synchronizereply
;
1141 struct scsi_cmnd
*cmd
;
1145 dprintk((KERN_DEBUG
"synchronize_callback[cpu %d]: t = %ld.\n",
1146 smp_processor_id(), jiffies
));
1147 BUG_ON(fibptr
== NULL
);
1150 synchronizereply
= fib_data(fibptr
);
1151 if (le32_to_cpu(synchronizereply
->status
) == CT_OK
)
1152 cmd
->result
= DID_OK
<< 16 |
1153 COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1155 struct scsi_device
*sdev
= cmd
->device
;
1156 struct aac_dev
*dev
= (struct aac_dev
*)sdev
->host
->hostdata
;
1157 u32 cid
= ID_LUN_TO_CONTAINER(sdev
->id
, sdev
->lun
);
1159 "synchronize_callback: synchronize failed, status = %d\n",
1160 le32_to_cpu(synchronizereply
->status
));
1161 cmd
->result
= DID_OK
<< 16 |
1162 COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1163 set_sense((u8
*)&dev
->fsa_dev
[cid
].sense_data
,
1165 SENCODE_INTERNAL_TARGET_FAILURE
,
1166 ASENCODE_INTERNAL_TARGET_FAILURE
, 0, 0,
1168 memcpy(cmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1169 min(sizeof(dev
->fsa_dev
[cid
].sense_data
),
1170 sizeof(cmd
->sense_buffer
)));
1173 fib_complete(fibptr
);
1178 static int aac_synchronize(struct scsi_cmnd
*scsicmd
, int cid
)
1181 struct fib
*cmd_fibcontext
;
1182 struct aac_synchronize
*synchronizecmd
;
1183 struct scsi_cmnd
*cmd
;
1184 struct scsi_device
*sdev
= scsicmd
->device
;
1186 unsigned long flags
;
1189 * Wait for all commands to complete to this specific
1192 spin_lock_irqsave(&sdev
->list_lock
, flags
);
1193 list_for_each_entry(cmd
, &sdev
->cmd_list
, list
)
1194 if (cmd
!= scsicmd
&& cmd
->serial_number
!= 0) {
1199 spin_unlock_irqrestore(&sdev
->list_lock
, flags
);
1202 * Yield the processor (requeue for later)
1205 return SCSI_MLQUEUE_DEVICE_BUSY
;
1208 * Allocate and initialize a Fib
1210 if (!(cmd_fibcontext
=
1211 fib_alloc((struct aac_dev
*)scsicmd
->device
->host
->hostdata
)))
1212 return SCSI_MLQUEUE_HOST_BUSY
;
1214 fib_init(cmd_fibcontext
);
1216 synchronizecmd
= fib_data(cmd_fibcontext
);
1217 synchronizecmd
->command
= cpu_to_le32(VM_ContainerConfig
);
1218 synchronizecmd
->type
= cpu_to_le32(CT_FLUSH_CACHE
);
1219 synchronizecmd
->cid
= cpu_to_le32(cid
);
1220 synchronizecmd
->count
=
1221 cpu_to_le32(sizeof(((struct aac_synchronize_reply
*)NULL
)->data
));
1224 * Now send the Fib to the adapter
1226 status
= fib_send(ContainerCommand
,
1228 sizeof(struct aac_synchronize
),
1231 (fib_callback
)synchronize_callback
,
1235 * Check that the command queued to the controller
1237 if (status
== -EINPROGRESS
)
1241 "aac_synchronize: fib_send failed with status: %d.\n", status
);
1242 fib_complete(cmd_fibcontext
);
1243 fib_free(cmd_fibcontext
);
1244 return SCSI_MLQUEUE_HOST_BUSY
;
1248 * aac_scsi_cmd() - Process SCSI command
1249 * @scsicmd: SCSI command block
1251 * Emulate a SCSI command and queue the required request for the
1255 int aac_scsi_cmd(struct scsi_cmnd
* scsicmd
)
1258 struct Scsi_Host
*host
= scsicmd
->device
->host
;
1259 struct aac_dev
*dev
= (struct aac_dev
*)host
->hostdata
;
1260 struct fsa_dev_info
*fsa_dev_ptr
= dev
->fsa_dev
;
1261 int cardtype
= dev
->cardtype
;
1265 * If the bus, id or lun is out of range, return fail
1266 * Test does not apply to ID 16, the pseudo id for the controller
1269 if (scsicmd
->device
->id
!= host
->this_id
) {
1270 if ((scsicmd
->device
->channel
== 0) ){
1271 if( (scsicmd
->device
->id
>= dev
->maximum_num_containers
) || (scsicmd
->device
->lun
!= 0)){
1272 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1273 scsicmd
->scsi_done(scsicmd
);
1276 cid
= ID_LUN_TO_CONTAINER(scsicmd
->device
->id
, scsicmd
->device
->lun
);
1279 * If the target container doesn't exist, it may have
1280 * been newly created
1282 if ((fsa_dev_ptr
[cid
].valid
& 1) == 0) {
1283 switch (scsicmd
->cmnd
[0]) {
1286 case TEST_UNIT_READY
:
1287 spin_unlock_irq(host
->host_lock
);
1288 probe_container(dev
, cid
);
1289 spin_lock_irq(host
->host_lock
);
1290 if (fsa_dev_ptr
[cid
].valid
== 0) {
1291 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1292 scsicmd
->scsi_done(scsicmd
);
1300 * If the target container still doesn't exist,
1303 if (fsa_dev_ptr
[cid
].valid
== 0) {
1304 scsicmd
->result
= DID_BAD_TARGET
<< 16;
1305 scsicmd
->scsi_done(scsicmd
);
1308 } else { /* check for physical non-dasd devices */
1309 if(dev
->nondasd_support
== 1){
1310 return aac_send_srb_fib(scsicmd
);
1312 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1313 scsicmd
->scsi_done(scsicmd
);
1319 * else Command for the controller itself
1321 else if ((scsicmd
->cmnd
[0] != INQUIRY
) && /* only INQUIRY & TUR cmnd supported for controller */
1322 (scsicmd
->cmnd
[0] != TEST_UNIT_READY
))
1324 dprintk((KERN_WARNING
"Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd
->cmnd
[0]));
1325 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1326 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
1328 SENCODE_INVALID_COMMAND
,
1329 ASENCODE_INVALID_COMMAND
, 0, 0, 0, 0);
1330 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1331 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
1332 ? sizeof(scsicmd
->sense_buffer
)
1333 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
1334 scsicmd
->scsi_done(scsicmd
);
1339 /* Handle commands here that don't really require going out to the adapter */
1340 switch (scsicmd
->cmnd
[0]) {
1343 struct inquiry_data
*inq_data_ptr
;
1345 dprintk((KERN_DEBUG
"INQUIRY command, ID: %d.\n", scsicmd
->device
->id
));
1346 inq_data_ptr
= (struct inquiry_data
*)scsicmd
->request_buffer
;
1347 memset(inq_data_ptr
, 0, sizeof (struct inquiry_data
));
1349 inq_data_ptr
->inqd_ver
= 2; /* claim compliance to SCSI-2 */
1350 inq_data_ptr
->inqd_dtq
= 0x80; /* set RMB bit to one indicating that the medium is removable */
1351 inq_data_ptr
->inqd_rdf
= 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
1352 inq_data_ptr
->inqd_len
= 31;
1353 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1354 inq_data_ptr
->inqd_pad2
= 0x32 ; /*WBus16|Sync|CmdQue */
1356 * Set the Vendor, Product, and Revision Level
1357 * see: <vendor>.c i.e. aac.c
1359 if (scsicmd
->device
->id
== host
->this_id
) {
1360 setinqstr(cardtype
, (void *) (inq_data_ptr
->inqd_vid
), (sizeof(container_types
)/sizeof(char *)));
1361 inq_data_ptr
->inqd_pdt
= INQD_PDT_PROC
; /* Processor device */
1362 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1363 scsicmd
->scsi_done(scsicmd
);
1366 setinqstr(cardtype
, (void *) (inq_data_ptr
->inqd_vid
), fsa_dev_ptr
[cid
].type
);
1367 inq_data_ptr
->inqd_pdt
= INQD_PDT_DA
; /* Direct/random access device */
1368 return aac_get_container_name(scsicmd
, cid
);
1375 dprintk((KERN_DEBUG
"READ CAPACITY command.\n"));
1376 if (fsa_dev_ptr
[cid
].size
<= 0x100000000LL
)
1377 capacity
= fsa_dev_ptr
[cid
].size
- 1;
1380 cp
= scsicmd
->request_buffer
;
1381 cp
[0] = (capacity
>> 24) & 0xff;
1382 cp
[1] = (capacity
>> 16) & 0xff;
1383 cp
[2] = (capacity
>> 8) & 0xff;
1384 cp
[3] = (capacity
>> 0) & 0xff;
1390 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1391 scsicmd
->scsi_done(scsicmd
);
1400 dprintk((KERN_DEBUG
"MODE SENSE command.\n"));
1401 mode_buf
= scsicmd
->request_buffer
;
1402 mode_buf
[0] = 3; /* Mode data length */
1403 mode_buf
[1] = 0; /* Medium type - default */
1404 mode_buf
[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1405 mode_buf
[3] = 0; /* Block descriptor length */
1407 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1408 scsicmd
->scsi_done(scsicmd
);
1416 dprintk((KERN_DEBUG
"MODE SENSE 10 byte command.\n"));
1417 mode_buf
= scsicmd
->request_buffer
;
1418 mode_buf
[0] = 0; /* Mode data length (MSB) */
1419 mode_buf
[1] = 6; /* Mode data length (LSB) */
1420 mode_buf
[2] = 0; /* Medium type - default */
1421 mode_buf
[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1422 mode_buf
[4] = 0; /* reserved */
1423 mode_buf
[5] = 0; /* reserved */
1424 mode_buf
[6] = 0; /* Block descriptor length (MSB) */
1425 mode_buf
[7] = 0; /* Block descriptor length (LSB) */
1427 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1428 scsicmd
->scsi_done(scsicmd
);
1433 dprintk((KERN_DEBUG
"REQUEST SENSE command.\n"));
1434 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
, sizeof (struct sense_data
));
1435 memset(&dev
->fsa_dev
[cid
].sense_data
, 0, sizeof (struct sense_data
));
1436 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1437 scsicmd
->scsi_done(scsicmd
);
1440 case ALLOW_MEDIUM_REMOVAL
:
1441 dprintk((KERN_DEBUG
"LOCK command.\n"));
1442 if (scsicmd
->cmnd
[4])
1443 fsa_dev_ptr
[cid
].locked
= 1;
1445 fsa_dev_ptr
[cid
].locked
= 0;
1447 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1448 scsicmd
->scsi_done(scsicmd
);
1451 * These commands are all No-Ops
1453 case TEST_UNIT_READY
:
1457 case REASSIGN_BLOCKS
:
1460 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_GOOD
;
1461 scsicmd
->scsi_done(scsicmd
);
1465 switch (scsicmd
->cmnd
[0])
1470 * Hack to keep track of ordinal number of the device that
1471 * corresponds to a container. Needed to convert
1472 * containers to /dev/sd device names
1475 spin_unlock_irq(host
->host_lock
);
1476 if (scsicmd
->request
->rq_disk
)
1477 memcpy(fsa_dev_ptr
[cid
].devname
,
1478 scsicmd
->request
->rq_disk
->disk_name
,
1481 ret
= aac_read(scsicmd
, cid
);
1482 spin_lock_irq(host
->host_lock
);
1487 spin_unlock_irq(host
->host_lock
);
1488 ret
= aac_write(scsicmd
, cid
);
1489 spin_lock_irq(host
->host_lock
);
1492 case SYNCHRONIZE_CACHE
:
1493 /* Issue FIB to tell Firmware to flush it's cache */
1494 return aac_synchronize(scsicmd
, cid
);
1498 * Unhandled commands
1500 dprintk((KERN_WARNING
"Unhandled SCSI Command: 0x%x.\n", scsicmd
->cmnd
[0]));
1501 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1502 set_sense((u8
*) &dev
->fsa_dev
[cid
].sense_data
,
1503 ILLEGAL_REQUEST
, SENCODE_INVALID_COMMAND
,
1504 ASENCODE_INVALID_COMMAND
, 0, 0, 0, 0);
1505 memcpy(scsicmd
->sense_buffer
, &dev
->fsa_dev
[cid
].sense_data
,
1506 (sizeof(dev
->fsa_dev
[cid
].sense_data
) > sizeof(scsicmd
->sense_buffer
))
1507 ? sizeof(scsicmd
->sense_buffer
)
1508 : sizeof(dev
->fsa_dev
[cid
].sense_data
));
1509 scsicmd
->scsi_done(scsicmd
);
1514 static int query_disk(struct aac_dev
*dev
, void __user
*arg
)
1516 struct aac_query_disk qd
;
1517 struct fsa_dev_info
*fsa_dev_ptr
;
1519 fsa_dev_ptr
= dev
->fsa_dev
;
1520 if (copy_from_user(&qd
, arg
, sizeof (struct aac_query_disk
)))
1523 qd
.cnum
= ID_LUN_TO_CONTAINER(qd
.id
, qd
.lun
);
1524 else if ((qd
.bus
== -1) && (qd
.id
== -1) && (qd
.lun
== -1))
1526 if (qd
.cnum
< 0 || qd
.cnum
>= dev
->maximum_num_containers
)
1528 qd
.instance
= dev
->scsi_host_ptr
->host_no
;
1530 qd
.id
= CONTAINER_TO_ID(qd
.cnum
);
1531 qd
.lun
= CONTAINER_TO_LUN(qd
.cnum
);
1533 else return -EINVAL
;
1535 qd
.valid
= fsa_dev_ptr
[qd
.cnum
].valid
;
1536 qd
.locked
= fsa_dev_ptr
[qd
.cnum
].locked
;
1537 qd
.deleted
= fsa_dev_ptr
[qd
.cnum
].deleted
;
1539 if (fsa_dev_ptr
[qd
.cnum
].devname
[0] == '\0')
1544 strlcpy(qd
.name
, fsa_dev_ptr
[qd
.cnum
].devname
,
1545 min(sizeof(qd
.name
), sizeof(fsa_dev_ptr
[qd
.cnum
].devname
) + 1));
1547 if (copy_to_user(arg
, &qd
, sizeof (struct aac_query_disk
)))
1552 static int force_delete_disk(struct aac_dev
*dev
, void __user
*arg
)
1554 struct aac_delete_disk dd
;
1555 struct fsa_dev_info
*fsa_dev_ptr
;
1557 fsa_dev_ptr
= dev
->fsa_dev
;
1559 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
1562 if (dd
.cnum
>= dev
->maximum_num_containers
)
1565 * Mark this container as being deleted.
1567 fsa_dev_ptr
[dd
.cnum
].deleted
= 1;
1569 * Mark the container as no longer valid
1571 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
1575 static int delete_disk(struct aac_dev
*dev
, void __user
*arg
)
1577 struct aac_delete_disk dd
;
1578 struct fsa_dev_info
*fsa_dev_ptr
;
1580 fsa_dev_ptr
= dev
->fsa_dev
;
1582 if (copy_from_user(&dd
, arg
, sizeof (struct aac_delete_disk
)))
1585 if (dd
.cnum
>= dev
->maximum_num_containers
)
1588 * If the container is locked, it can not be deleted by the API.
1590 if (fsa_dev_ptr
[dd
.cnum
].locked
)
1594 * Mark the container as no longer being valid.
1596 fsa_dev_ptr
[dd
.cnum
].valid
= 0;
1597 fsa_dev_ptr
[dd
.cnum
].devname
[0] = '\0';
1602 int aac_dev_ioctl(struct aac_dev
*dev
, int cmd
, void __user
*arg
)
1605 case FSACTL_QUERY_DISK
:
1606 return query_disk(dev
, arg
);
1607 case FSACTL_DELETE_DISK
:
1608 return delete_disk(dev
, arg
);
1609 case FSACTL_FORCE_DELETE_DISK
:
1610 return force_delete_disk(dev
, arg
);
1611 case FSACTL_GET_CONTAINERS
:
1612 return aac_get_containers(dev
);
1621 * @context: the context set in the fib - here it is scsi cmd
1622 * @fibptr: pointer to the fib
1624 * Handles the completion of a scsi command to a non dasd device
1628 static void aac_srb_callback(void *context
, struct fib
* fibptr
)
1630 struct aac_dev
*dev
;
1631 struct aac_srb_reply
*srbreply
;
1632 struct scsi_cmnd
*scsicmd
;
1634 scsicmd
= (struct scsi_cmnd
*) context
;
1635 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1640 srbreply
= (struct aac_srb_reply
*) fib_data(fibptr
);
1642 scsicmd
->sense_buffer
[0] = '\0'; /* Initialize sense valid flag to false */
1644 * Calculate resid for sg
1647 scsicmd
->resid
= scsicmd
->request_bufflen
-
1648 le32_to_cpu(srbreply
->data_xfer_length
);
1651 pci_unmap_sg(dev
->pdev
,
1652 (struct scatterlist
*)scsicmd
->buffer
,
1654 scsicmd
->sc_data_direction
);
1655 else if(scsicmd
->request_bufflen
)
1656 pci_unmap_single(dev
->pdev
, scsicmd
->SCp
.dma_handle
, scsicmd
->request_bufflen
,
1657 scsicmd
->sc_data_direction
);
1660 * First check the fib status
1663 if (le32_to_cpu(srbreply
->status
) != ST_OK
){
1665 printk(KERN_WARNING
"aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply
->status
));
1666 len
= (le32_to_cpu(srbreply
->sense_data_size
) >
1667 sizeof(scsicmd
->sense_buffer
)) ?
1668 sizeof(scsicmd
->sense_buffer
) :
1669 le32_to_cpu(srbreply
->sense_data_size
);
1670 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8 | SAM_STAT_CHECK_CONDITION
;
1671 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
1675 * Next check the srb status
1677 switch( (le32_to_cpu(srbreply
->srb_status
))&0x3f){
1678 case SRB_STATUS_ERROR_RECOVERY
:
1679 case SRB_STATUS_PENDING
:
1680 case SRB_STATUS_SUCCESS
:
1681 if(scsicmd
->cmnd
[0] == INQUIRY
){
1684 /* We can't expose disk devices because we can't tell whether they
1685 * are the raw container drives or stand alone drives. If they have
1686 * the removable bit set then we should expose them though.
1688 b
= (*(u8
*)scsicmd
->buffer
)&0x1f;
1689 b1
= ((u8
*)scsicmd
->buffer
)[1];
1690 if( b
==TYPE_TAPE
|| b
==TYPE_WORM
|| b
==TYPE_ROM
|| b
==TYPE_MOD
|| b
==TYPE_MEDIUM_CHANGER
1691 || (b
==TYPE_DISK
&& (b1
&0x80)) ){
1692 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
1694 * We will allow disk devices if in RAID/SCSI mode and
1697 } else if ((dev
->raid_scsi_mode
) &&
1698 (scsicmd
->device
->channel
== 2)) {
1699 scsicmd
->result
= DID_OK
<< 16 |
1700 COMMAND_COMPLETE
<< 8;
1702 scsicmd
->result
= DID_NO_CONNECT
<< 16 |
1703 COMMAND_COMPLETE
<< 8;
1706 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
1709 case SRB_STATUS_DATA_OVERRUN
:
1710 switch(scsicmd
->cmnd
[0]){
1717 if(le32_to_cpu(srbreply
->data_xfer_length
) < scsicmd
->underflow
) {
1718 printk(KERN_WARNING
"aacraid: SCSI CMD underflow\n");
1720 printk(KERN_WARNING
"aacraid: SCSI CMD Data Overrun\n");
1722 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
1727 /* We can't expose disk devices because we can't tell whether they
1728 * are the raw container drives or stand alone drives
1730 b
= (*(u8
*)scsicmd
->buffer
)&0x0f;
1731 b1
= ((u8
*)scsicmd
->buffer
)[1];
1732 if( b
==TYPE_TAPE
|| b
==TYPE_WORM
|| b
==TYPE_ROM
|| b
==TYPE_MOD
|| b
==TYPE_MEDIUM_CHANGER
1733 || (b
==TYPE_DISK
&& (b1
&0x80)) ){
1734 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
1736 * We will allow disk devices if in RAID/SCSI mode and
1739 } else if ((dev
->raid_scsi_mode
) &&
1740 (scsicmd
->device
->channel
== 2)) {
1741 scsicmd
->result
= DID_OK
<< 16 |
1742 COMMAND_COMPLETE
<< 8;
1744 scsicmd
->result
= DID_NO_CONNECT
<< 16 |
1745 COMMAND_COMPLETE
<< 8;
1750 scsicmd
->result
= DID_OK
<< 16 | COMMAND_COMPLETE
<< 8;
1754 case SRB_STATUS_ABORTED
:
1755 scsicmd
->result
= DID_ABORT
<< 16 | ABORT
<< 8;
1757 case SRB_STATUS_ABORT_FAILED
:
1758 // Not sure about this one - but assuming the hba was trying to abort for some reason
1759 scsicmd
->result
= DID_ERROR
<< 16 | ABORT
<< 8;
1761 case SRB_STATUS_PARITY_ERROR
:
1762 scsicmd
->result
= DID_PARITY
<< 16 | MSG_PARITY_ERROR
<< 8;
1764 case SRB_STATUS_NO_DEVICE
:
1765 case SRB_STATUS_INVALID_PATH_ID
:
1766 case SRB_STATUS_INVALID_TARGET_ID
:
1767 case SRB_STATUS_INVALID_LUN
:
1768 case SRB_STATUS_SELECTION_TIMEOUT
:
1769 scsicmd
->result
= DID_NO_CONNECT
<< 16 | COMMAND_COMPLETE
<< 8;
1772 case SRB_STATUS_COMMAND_TIMEOUT
:
1773 case SRB_STATUS_TIMEOUT
:
1774 scsicmd
->result
= DID_TIME_OUT
<< 16 | COMMAND_COMPLETE
<< 8;
1777 case SRB_STATUS_BUSY
:
1778 scsicmd
->result
= DID_NO_CONNECT
<< 16 | COMMAND_COMPLETE
<< 8;
1781 case SRB_STATUS_BUS_RESET
:
1782 scsicmd
->result
= DID_RESET
<< 16 | COMMAND_COMPLETE
<< 8;
1785 case SRB_STATUS_MESSAGE_REJECTED
:
1786 scsicmd
->result
= DID_ERROR
<< 16 | MESSAGE_REJECT
<< 8;
1788 case SRB_STATUS_REQUEST_FLUSHED
:
1789 case SRB_STATUS_ERROR
:
1790 case SRB_STATUS_INVALID_REQUEST
:
1791 case SRB_STATUS_REQUEST_SENSE_FAILED
:
1792 case SRB_STATUS_NO_HBA
:
1793 case SRB_STATUS_UNEXPECTED_BUS_FREE
:
1794 case SRB_STATUS_PHASE_SEQUENCE_FAILURE
:
1795 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH
:
1796 case SRB_STATUS_DELAYED_RETRY
:
1797 case SRB_STATUS_BAD_FUNCTION
:
1798 case SRB_STATUS_NOT_STARTED
:
1799 case SRB_STATUS_NOT_IN_USE
:
1800 case SRB_STATUS_FORCE_ABORT
:
1801 case SRB_STATUS_DOMAIN_VALIDATION_FAIL
:
1803 #ifdef AAC_DETAILED_STATUS_INFO
1804 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
1805 le32_to_cpu(srbreply
->srb_status
) & 0x3F,
1806 aac_get_status_string(
1807 le32_to_cpu(srbreply
->srb_status
) & 0x3F),
1809 le32_to_cpu(srbreply
->scsi_status
));
1811 scsicmd
->result
= DID_ERROR
<< 16 | COMMAND_COMPLETE
<< 8;
1814 if (le32_to_cpu(srbreply
->scsi_status
) == 0x02 ){ // Check Condition
1816 scsicmd
->result
|= SAM_STAT_CHECK_CONDITION
;
1817 len
= (le32_to_cpu(srbreply
->sense_data_size
) >
1818 sizeof(scsicmd
->sense_buffer
)) ?
1819 sizeof(scsicmd
->sense_buffer
) :
1820 le32_to_cpu(srbreply
->sense_data_size
);
1821 #ifdef AAC_DETAILED_STATUS_INFO
1822 dprintk((KERN_WARNING
"aac_srb_callback: check condition, status = %d len=%d\n",
1823 le32_to_cpu(srbreply
->status
), len
));
1825 memcpy(scsicmd
->sense_buffer
, srbreply
->sense_data
, len
);
1829 * OR in the scsi status (already shifted up a bit)
1831 scsicmd
->result
|= le32_to_cpu(srbreply
->scsi_status
);
1833 fib_complete(fibptr
);
1835 aac_io_done(scsicmd
);
1841 * @scsicmd: the scsi command block
1843 * This routine will form a FIB and fill in the aac_srb from the
1844 * scsicmd passed in.
1847 static int aac_send_srb_fib(struct scsi_cmnd
* scsicmd
)
1849 struct fib
* cmd_fibcontext
;
1850 struct aac_dev
* dev
;
1852 struct aac_srb
*srbcmd
;
1857 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1858 if (scsicmd
->device
->id
>= dev
->maximum_num_physicals
||
1859 scsicmd
->device
->lun
> 7) {
1860 scsicmd
->result
= DID_NO_CONNECT
<< 16;
1861 scsicmd
->scsi_done(scsicmd
);
1865 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1866 switch(scsicmd
->sc_data_direction
){
1870 case DMA_BIDIRECTIONAL
:
1871 flag
= SRB_DataIn
| SRB_DataOut
;
1873 case DMA_FROM_DEVICE
:
1877 default: /* shuts up some versions of gcc */
1878 flag
= SRB_NoDataXfer
;
1884 * Allocate and initialize a Fib then setup a BlockWrite command
1886 if (!(cmd_fibcontext
= fib_alloc(dev
))) {
1889 fib_init(cmd_fibcontext
);
1891 srbcmd
= (struct aac_srb
*) fib_data(cmd_fibcontext
);
1892 srbcmd
->function
= cpu_to_le32(SRBF_ExecuteScsi
);
1893 srbcmd
->channel
= cpu_to_le32(aac_logical_to_phys(scsicmd
->device
->channel
));
1894 srbcmd
->id
= cpu_to_le32(scsicmd
->device
->id
);
1895 srbcmd
->lun
= cpu_to_le32(scsicmd
->device
->lun
);
1896 srbcmd
->flags
= cpu_to_le32(flag
);
1897 timeout
= (scsicmd
->timeout
-jiffies
)/HZ
;
1901 srbcmd
->timeout
= cpu_to_le32(timeout
); // timeout in seconds
1902 srbcmd
->retry_limit
= 0; /* Obsolete parameter */
1903 srbcmd
->cdb_size
= cpu_to_le32(scsicmd
->cmd_len
);
1905 if( dev
->dac_support
== 1 ) {
1906 aac_build_sg64(scsicmd
, (struct sgmap64
*) &srbcmd
->sg
);
1907 srbcmd
->count
= cpu_to_le32(scsicmd
->request_bufflen
);
1909 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1910 memcpy(srbcmd
->cdb
, scsicmd
->cmnd
, scsicmd
->cmd_len
);
1912 * Build Scatter/Gather list
1914 fibsize
= sizeof (struct aac_srb
) - sizeof (struct sgentry
) +
1915 ((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) *
1916 sizeof (struct sgentry64
));
1917 BUG_ON (fibsize
> (dev
->max_fib_size
-
1918 sizeof(struct aac_fibhdr
)));
1921 * Now send the Fib to the adapter
1923 status
= fib_send(ScsiPortCommand64
, cmd_fibcontext
,
1924 fibsize
, FsaNormal
, 0, 1,
1925 (fib_callback
) aac_srb_callback
,
1928 aac_build_sg(scsicmd
, (struct sgmap
*)&srbcmd
->sg
);
1929 srbcmd
->count
= cpu_to_le32(scsicmd
->request_bufflen
);
1931 memset(srbcmd
->cdb
, 0, sizeof(srbcmd
->cdb
));
1932 memcpy(srbcmd
->cdb
, scsicmd
->cmnd
, scsicmd
->cmd_len
);
1934 * Build Scatter/Gather list
1936 fibsize
= sizeof (struct aac_srb
) +
1937 (((le32_to_cpu(srbcmd
->sg
.count
) & 0xff) - 1) *
1938 sizeof (struct sgentry
));
1939 BUG_ON (fibsize
> (dev
->max_fib_size
-
1940 sizeof(struct aac_fibhdr
)));
1943 * Now send the Fib to the adapter
1945 status
= fib_send(ScsiPortCommand
, cmd_fibcontext
, fibsize
, FsaNormal
, 0, 1,
1946 (fib_callback
) aac_srb_callback
, (void *) scsicmd
);
1949 * Check that the command queued to the controller
1951 if (status
== -EINPROGRESS
){
1955 printk(KERN_WARNING
"aac_srb: fib_send failed with status: %d\n", status
);
1956 fib_complete(cmd_fibcontext
);
1957 fib_free(cmd_fibcontext
);
1962 static unsigned long aac_build_sg(struct scsi_cmnd
* scsicmd
, struct sgmap
* psg
)
1964 struct aac_dev
*dev
;
1965 unsigned long byte_count
= 0;
1967 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
1968 // Get rid of old data
1970 psg
->sg
[0].addr
= 0;
1971 psg
->sg
[0].count
= 0;
1972 if (scsicmd
->use_sg
) {
1973 struct scatterlist
*sg
;
1976 sg
= (struct scatterlist
*) scsicmd
->request_buffer
;
1978 sg_count
= pci_map_sg(dev
->pdev
, sg
, scsicmd
->use_sg
,
1979 scsicmd
->sc_data_direction
);
1980 psg
->count
= cpu_to_le32(sg_count
);
1984 for (i
= 0; i
< sg_count
; i
++) {
1985 psg
->sg
[i
].addr
= cpu_to_le32(sg_dma_address(sg
));
1986 psg
->sg
[i
].count
= cpu_to_le32(sg_dma_len(sg
));
1987 byte_count
+= sg_dma_len(sg
);
1990 /* hba wants the size to be exact */
1991 if(byte_count
> scsicmd
->request_bufflen
){
1992 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
1993 (byte_count
- scsicmd
->request_bufflen
);
1994 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
1995 byte_count
= scsicmd
->request_bufflen
;
1997 /* Check for command underflow */
1998 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
1999 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2000 byte_count
, scsicmd
->underflow
);
2003 else if(scsicmd
->request_bufflen
) {
2005 addr
= pci_map_single(dev
->pdev
,
2006 scsicmd
->request_buffer
,
2007 scsicmd
->request_bufflen
,
2008 scsicmd
->sc_data_direction
);
2009 psg
->count
= cpu_to_le32(1);
2010 psg
->sg
[0].addr
= cpu_to_le32(addr
);
2011 psg
->sg
[0].count
= cpu_to_le32(scsicmd
->request_bufflen
);
2012 scsicmd
->SCp
.dma_handle
= addr
;
2013 byte_count
= scsicmd
->request_bufflen
;
2019 static unsigned long aac_build_sg64(struct scsi_cmnd
* scsicmd
, struct sgmap64
* psg
)
2021 struct aac_dev
*dev
;
2022 unsigned long byte_count
= 0;
2025 dev
= (struct aac_dev
*)scsicmd
->device
->host
->hostdata
;
2026 // Get rid of old data
2028 psg
->sg
[0].addr
[0] = 0;
2029 psg
->sg
[0].addr
[1] = 0;
2030 psg
->sg
[0].count
= 0;
2031 if (scsicmd
->use_sg
) {
2032 struct scatterlist
*sg
;
2035 sg
= (struct scatterlist
*) scsicmd
->request_buffer
;
2037 sg_count
= pci_map_sg(dev
->pdev
, sg
, scsicmd
->use_sg
,
2038 scsicmd
->sc_data_direction
);
2039 psg
->count
= cpu_to_le32(sg_count
);
2043 for (i
= 0; i
< sg_count
; i
++) {
2044 addr
= sg_dma_address(sg
);
2045 psg
->sg
[i
].addr
[0] = cpu_to_le32(addr
& 0xffffffff);
2046 psg
->sg
[i
].addr
[1] = cpu_to_le32(addr
>>32);
2047 psg
->sg
[i
].count
= cpu_to_le32(sg_dma_len(sg
));
2048 byte_count
+= sg_dma_len(sg
);
2051 /* hba wants the size to be exact */
2052 if(byte_count
> scsicmd
->request_bufflen
){
2053 u32 temp
= le32_to_cpu(psg
->sg
[i
-1].count
) -
2054 (byte_count
- scsicmd
->request_bufflen
);
2055 psg
->sg
[i
-1].count
= cpu_to_le32(temp
);
2056 byte_count
= scsicmd
->request_bufflen
;
2058 /* Check for command underflow */
2059 if(scsicmd
->underflow
&& (byte_count
< scsicmd
->underflow
)){
2060 printk(KERN_WARNING
"aacraid: cmd len %08lX cmd underflow %08X\n",
2061 byte_count
, scsicmd
->underflow
);
2064 else if(scsicmd
->request_bufflen
) {
2066 addr
= pci_map_single(dev
->pdev
,
2067 scsicmd
->request_buffer
,
2068 scsicmd
->request_bufflen
,
2069 scsicmd
->sc_data_direction
);
2070 psg
->count
= cpu_to_le32(1);
2071 psg
->sg
[0].addr
[0] = cpu_to_le32(addr
& 0xffffffff);
2072 psg
->sg
[0].addr
[1] = cpu_to_le32(addr
>> 32);
2073 psg
->sg
[0].count
= cpu_to_le32(scsicmd
->request_bufflen
);
2074 scsicmd
->SCp
.dma_handle
= addr
;
2075 byte_count
= scsicmd
->request_bufflen
;
2080 #ifdef AAC_DETAILED_STATUS_INFO
2082 struct aac_srb_status_info
{
2088 static struct aac_srb_status_info srb_status_info
[] = {
2089 { SRB_STATUS_PENDING
, "Pending Status"},
2090 { SRB_STATUS_SUCCESS
, "Success"},
2091 { SRB_STATUS_ABORTED
, "Aborted Command"},
2092 { SRB_STATUS_ABORT_FAILED
, "Abort Failed"},
2093 { SRB_STATUS_ERROR
, "Error Event"},
2094 { SRB_STATUS_BUSY
, "Device Busy"},
2095 { SRB_STATUS_INVALID_REQUEST
, "Invalid Request"},
2096 { SRB_STATUS_INVALID_PATH_ID
, "Invalid Path ID"},
2097 { SRB_STATUS_NO_DEVICE
, "No Device"},
2098 { SRB_STATUS_TIMEOUT
, "Timeout"},
2099 { SRB_STATUS_SELECTION_TIMEOUT
, "Selection Timeout"},
2100 { SRB_STATUS_COMMAND_TIMEOUT
, "Command Timeout"},
2101 { SRB_STATUS_MESSAGE_REJECTED
, "Message Rejected"},
2102 { SRB_STATUS_BUS_RESET
, "Bus Reset"},
2103 { SRB_STATUS_PARITY_ERROR
, "Parity Error"},
2104 { SRB_STATUS_REQUEST_SENSE_FAILED
,"Request Sense Failed"},
2105 { SRB_STATUS_NO_HBA
, "No HBA"},
2106 { SRB_STATUS_DATA_OVERRUN
, "Data Overrun/Data Underrun"},
2107 { SRB_STATUS_UNEXPECTED_BUS_FREE
,"Unexpected Bus Free"},
2108 { SRB_STATUS_PHASE_SEQUENCE_FAILURE
,"Phase Error"},
2109 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH
,"Bad Srb Block Length"},
2110 { SRB_STATUS_REQUEST_FLUSHED
, "Request Flushed"},
2111 { SRB_STATUS_DELAYED_RETRY
, "Delayed Retry"},
2112 { SRB_STATUS_INVALID_LUN
, "Invalid LUN"},
2113 { SRB_STATUS_INVALID_TARGET_ID
, "Invalid TARGET ID"},
2114 { SRB_STATUS_BAD_FUNCTION
, "Bad Function"},
2115 { SRB_STATUS_ERROR_RECOVERY
, "Error Recovery"},
2116 { SRB_STATUS_NOT_STARTED
, "Not Started"},
2117 { SRB_STATUS_NOT_IN_USE
, "Not In Use"},
2118 { SRB_STATUS_FORCE_ABORT
, "Force Abort"},
2119 { SRB_STATUS_DOMAIN_VALIDATION_FAIL
,"Domain Validation Failure"},
2120 { 0xff, "Unknown Error"}
2123 char *aac_get_status_string(u32 status
)
2127 for(i
=0; i
< (sizeof(srb_status_info
)/sizeof(struct aac_srb_status_info
)); i
++ ){
2128 if(srb_status_info
[i
].status
== status
){
2129 return srb_status_info
[i
].str
;
2133 return "Bad Status Code";