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 set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
755 u8 a_sense_code, u8 incorrect_length,
756 u8 bit_pointer, u16 field_pointer,
759 sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
760 sense_buf[1] = 0; /* Segment number, always zero */
762 if (incorrect_length) {
763 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
764 sense_buf[3] = BYTE3(residue);
765 sense_buf[4] = BYTE2(residue);
766 sense_buf[5] = BYTE1(residue);
767 sense_buf[6] = BYTE0(residue);
769 sense_buf[2] = sense_key; /* Sense key */
771 if (sense_key == ILLEGAL_REQUEST)
772 sense_buf[7] = 10; /* Additional sense length */
774 sense_buf[7] = 6; /* Additional sense length */
776 sense_buf[12] = sense_code; /* Additional sense code */
777 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
778 if (sense_key == ILLEGAL_REQUEST) {
781 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
782 sense_buf[15] = 0x80;/* Std sense key specific field */
783 /* Illegal parameter is in the parameter block */
785 if (sense_code == SENCODE_INVALID_CDB_FIELD)
786 sense_buf[15] = 0xc0;/* Std sense key specific field */
787 /* Illegal parameter is in the CDB block */
788 sense_buf[15] |= bit_pointer;
789 sense_buf[16] = field_pointer >> 8; /* MSB */
790 sense_buf[17] = field_pointer; /* LSB */
794 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
796 if (lba & 0xffffffff00000000LL) {
797 int cid = scmd_id(cmd);
798 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
799 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
800 SAM_STAT_CHECK_CONDITION;
801 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
803 SENCODE_INTERNAL_TARGET_FAILURE,
804 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
806 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
807 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
808 ? sizeof(cmd->sense_buffer)
809 : sizeof(dev->fsa_dev[cid].sense_data));
816 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
821 static void io_callback(void *context, struct fib * fibptr);
823 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
826 struct aac_raw_io *readcmd;
828 readcmd = (struct aac_raw_io *) fib_data(fib);
829 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
830 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
831 readcmd->count = cpu_to_le32(count<<9);
832 readcmd->cid = cpu_to_le16(scmd_id(cmd));
833 readcmd->flags = cpu_to_le16(IO_TYPE_READ);
834 readcmd->bpTotal = 0;
835 readcmd->bpComplete = 0;
837 aac_build_sgraw(cmd, &readcmd->sg);
838 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
839 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
841 * Now send the Fib to the adapter
843 return aac_fib_send(ContainerRawIo,
848 (fib_callback) io_callback,
852 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
855 struct aac_read64 *readcmd;
857 readcmd = (struct aac_read64 *) fib_data(fib);
858 readcmd->command = cpu_to_le32(VM_CtHostRead64);
859 readcmd->cid = cpu_to_le16(scmd_id(cmd));
860 readcmd->sector_count = cpu_to_le16(count);
861 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
865 aac_build_sg64(cmd, &readcmd->sg);
866 fibsize = sizeof(struct aac_read64) +
867 ((le32_to_cpu(readcmd->sg.count) - 1) *
868 sizeof (struct sgentry64));
869 BUG_ON (fibsize > (fib->dev->max_fib_size -
870 sizeof(struct aac_fibhdr)));
872 * Now send the Fib to the adapter
874 return aac_fib_send(ContainerCommand64,
879 (fib_callback) io_callback,
883 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
886 struct aac_read *readcmd;
888 readcmd = (struct aac_read *) fib_data(fib);
889 readcmd->command = cpu_to_le32(VM_CtBlockRead);
890 readcmd->cid = cpu_to_le16(scmd_id(cmd));
891 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
892 readcmd->count = cpu_to_le32(count * 512);
894 aac_build_sg(cmd, &readcmd->sg);
895 fibsize = sizeof(struct aac_read) +
896 ((le32_to_cpu(readcmd->sg.count) - 1) *
897 sizeof (struct sgentry));
898 BUG_ON (fibsize > (fib->dev->max_fib_size -
899 sizeof(struct aac_fibhdr)));
901 * Now send the Fib to the adapter
903 return aac_fib_send(ContainerCommand,
908 (fib_callback) io_callback,
912 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
915 struct aac_raw_io *writecmd;
917 writecmd = (struct aac_raw_io *) fib_data(fib);
918 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
919 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
920 writecmd->count = cpu_to_le32(count<<9);
921 writecmd->cid = cpu_to_le16(scmd_id(cmd));
922 writecmd->flags = fua ?
923 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
924 cpu_to_le16(IO_TYPE_WRITE);
925 writecmd->bpTotal = 0;
926 writecmd->bpComplete = 0;
928 aac_build_sgraw(cmd, &writecmd->sg);
929 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
930 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
932 * Now send the Fib to the adapter
934 return aac_fib_send(ContainerRawIo,
939 (fib_callback) io_callback,
943 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
946 struct aac_write64 *writecmd;
948 writecmd = (struct aac_write64 *) fib_data(fib);
949 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
950 writecmd->cid = cpu_to_le16(scmd_id(cmd));
951 writecmd->sector_count = cpu_to_le16(count);
952 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
956 aac_build_sg64(cmd, &writecmd->sg);
957 fibsize = sizeof(struct aac_write64) +
958 ((le32_to_cpu(writecmd->sg.count) - 1) *
959 sizeof (struct sgentry64));
960 BUG_ON (fibsize > (fib->dev->max_fib_size -
961 sizeof(struct aac_fibhdr)));
963 * Now send the Fib to the adapter
965 return aac_fib_send(ContainerCommand64,
970 (fib_callback) io_callback,
974 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
977 struct aac_write *writecmd;
979 writecmd = (struct aac_write *) fib_data(fib);
980 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
981 writecmd->cid = cpu_to_le16(scmd_id(cmd));
982 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
983 writecmd->count = cpu_to_le32(count * 512);
984 writecmd->sg.count = cpu_to_le32(1);
985 /* ->stable is not used - it did mean which type of write */
987 aac_build_sg(cmd, &writecmd->sg);
988 fibsize = sizeof(struct aac_write) +
989 ((le32_to_cpu(writecmd->sg.count) - 1) *
990 sizeof (struct sgentry));
991 BUG_ON (fibsize > (fib->dev->max_fib_size -
992 sizeof(struct aac_fibhdr)));
994 * Now send the Fib to the adapter
996 return aac_fib_send(ContainerCommand,
1001 (fib_callback) io_callback,
1005 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1007 struct aac_srb * srbcmd;
1012 switch(cmd->sc_data_direction){
1016 case DMA_BIDIRECTIONAL:
1017 flag = SRB_DataIn | SRB_DataOut;
1019 case DMA_FROM_DEVICE:
1023 default: /* shuts up some versions of gcc */
1024 flag = SRB_NoDataXfer;
1028 srbcmd = (struct aac_srb*) fib_data(fib);
1029 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1030 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1031 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1032 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1033 srbcmd->flags = cpu_to_le32(flag);
1034 timeout = cmd->timeout_per_command/HZ;
1037 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1038 srbcmd->retry_limit = 0; /* Obsolete parameter */
1039 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1043 static void aac_srb_callback(void *context, struct fib * fibptr);
1045 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1048 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1050 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1051 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1053 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1054 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1056 * Build Scatter/Gather list
1058 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1059 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1060 sizeof (struct sgentry64));
1061 BUG_ON (fibsize > (fib->dev->max_fib_size -
1062 sizeof(struct aac_fibhdr)));
1065 * Now send the Fib to the adapter
1067 return aac_fib_send(ScsiPortCommand64, fib,
1068 fibsize, FsaNormal, 0, 1,
1069 (fib_callback) aac_srb_callback,
1073 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1076 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1078 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1079 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1081 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1082 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1084 * Build Scatter/Gather list
1086 fibsize = sizeof (struct aac_srb) +
1087 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1088 sizeof (struct sgentry));
1089 BUG_ON (fibsize > (fib->dev->max_fib_size -
1090 sizeof(struct aac_fibhdr)));
1093 * Now send the Fib to the adapter
1095 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1096 (fib_callback) aac_srb_callback, (void *) cmd);
1099 int aac_get_adapter_info(struct aac_dev* dev)
1104 struct aac_adapter_info *info;
1105 struct aac_bus_info *command;
1106 struct aac_bus_info_response *bus_info;
1108 if (!(fibptr = aac_fib_alloc(dev)))
1111 aac_fib_init(fibptr);
1112 info = (struct aac_adapter_info *) fib_data(fibptr);
1113 memset(info,0,sizeof(*info));
1115 rcode = aac_fib_send(RequestAdapterInfo,
1119 -1, 1, /* First `interrupt' command uses special wait */
1124 aac_fib_complete(fibptr);
1125 aac_fib_free(fibptr);
1128 memcpy(&dev->adapter_info, info, sizeof(*info));
1130 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1131 struct aac_supplement_adapter_info * info;
1133 aac_fib_init(fibptr);
1135 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1137 memset(info,0,sizeof(*info));
1139 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1148 memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1156 aac_fib_init(fibptr);
1158 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1160 memset(bus_info, 0, sizeof(*bus_info));
1162 command = (struct aac_bus_info *)bus_info;
1164 command->Command = cpu_to_le32(VM_Ioctl);
1165 command->ObjType = cpu_to_le32(FT_DRIVE);
1166 command->MethodId = cpu_to_le32(1);
1167 command->CtlCmd = cpu_to_le32(GetBusInfo);
1169 rcode = aac_fib_send(ContainerCommand,
1176 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1177 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1178 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1181 if (!dev->in_reset) {
1182 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1183 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1189 le32_to_cpu(dev->adapter_info.kernelbuild),
1190 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1191 dev->supplement_adapter_info.BuildDate);
1192 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1193 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1195 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1196 le32_to_cpu(dev->adapter_info.monitorbuild));
1197 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1198 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1200 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1201 le32_to_cpu(dev->adapter_info.biosbuild));
1202 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1203 printk(KERN_INFO "%s%d: serial %x\n",
1205 le32_to_cpu(dev->adapter_info.serial[0]));
1206 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1207 printk(KERN_INFO "%s%d: TSID %.*s\n",
1209 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1210 dev->supplement_adapter_info.VpdInfo.Tsid);
1213 (dev->supplement_adapter_info.SupportedOptions2 &
1214 le32_to_cpu(AAC_OPTION_IGNORE_RESET))) {
1215 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1216 dev->name, dev->id);
1220 dev->nondasd_support = 0;
1221 dev->raid_scsi_mode = 0;
1222 if(dev->adapter_info.options & AAC_OPT_NONDASD){
1223 dev->nondasd_support = 1;
1227 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1228 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1229 * force nondasd support on. If we decide to allow the non-dasd flag
1230 * additional changes changes will have to be made to support
1231 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1232 * changed to support the new dev->raid_scsi_mode flag instead of
1233 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1234 * function aac_detect will have to be modified where it sets up the
1235 * max number of channels based on the aac->nondasd_support flag only.
1237 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1238 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1239 dev->nondasd_support = 1;
1240 dev->raid_scsi_mode = 1;
1242 if (dev->raid_scsi_mode != 0)
1243 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1244 dev->name, dev->id);
1247 dev->nondasd_support = (nondasd!=0);
1249 if(dev->nondasd_support != 0){
1250 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1253 dev->dac_support = 0;
1254 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1255 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1256 dev->dac_support = 1;
1260 dev->dac_support = (dacmode!=0);
1262 if(dev->dac_support != 0) {
1263 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1264 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1265 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1266 dev->name, dev->id);
1267 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1268 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1269 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1270 dev->name, dev->id);
1271 dev->dac_support = 0;
1273 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1274 dev->name, dev->id);
1279 * Deal with configuring for the individualized limits of each packet
1282 dev->a_ops.adapter_scsi = (dev->dac_support)
1285 if (dev->raw_io_interface) {
1286 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1289 dev->a_ops.adapter_read = aac_read_raw_io;
1290 dev->a_ops.adapter_write = aac_write_raw_io;
1292 dev->a_ops.adapter_bounds = aac_bounds_32;
1293 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1294 sizeof(struct aac_fibhdr) -
1295 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1296 sizeof(struct sgentry);
1297 if (dev->dac_support) {
1298 dev->a_ops.adapter_read = aac_read_block64;
1299 dev->a_ops.adapter_write = aac_write_block64;
1301 * 38 scatter gather elements
1303 dev->scsi_host_ptr->sg_tablesize =
1304 (dev->max_fib_size -
1305 sizeof(struct aac_fibhdr) -
1306 sizeof(struct aac_write64) +
1307 sizeof(struct sgentry64)) /
1308 sizeof(struct sgentry64);
1310 dev->a_ops.adapter_read = aac_read_block;
1311 dev->a_ops.adapter_write = aac_write_block;
1313 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1314 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1316 * Worst case size that could cause sg overflow when
1317 * we break up SG elements that are larger than 64KB.
1318 * Would be nice if we could tell the SCSI layer what
1319 * the maximum SG element size can be. Worst case is
1320 * (sg_tablesize-1) 4KB elements with one 64KB
1322 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1324 dev->scsi_host_ptr->max_sectors =
1325 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1329 aac_fib_complete(fibptr);
1330 aac_fib_free(fibptr);
1336 static void io_callback(void *context, struct fib * fibptr)
1338 struct aac_dev *dev;
1339 struct aac_read_reply *readreply;
1340 struct scsi_cmnd *scsicmd;
1343 scsicmd = (struct scsi_cmnd *) context;
1345 if (!aac_valid_context(scsicmd, fibptr))
1349 cid = scmd_id(scsicmd);
1351 if (nblank(dprintk(x))) {
1353 switch (scsicmd->cmnd[0]) {
1356 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1357 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1361 lba = ((u64)scsicmd->cmnd[2] << 56) |
1362 ((u64)scsicmd->cmnd[3] << 48) |
1363 ((u64)scsicmd->cmnd[4] << 40) |
1364 ((u64)scsicmd->cmnd[5] << 32) |
1365 ((u64)scsicmd->cmnd[6] << 24) |
1366 (scsicmd->cmnd[7] << 16) |
1367 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1371 lba = ((u64)scsicmd->cmnd[2] << 24) |
1372 (scsicmd->cmnd[3] << 16) |
1373 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1376 lba = ((u64)scsicmd->cmnd[2] << 24) |
1377 (scsicmd->cmnd[3] << 16) |
1378 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1382 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1383 smp_processor_id(), (unsigned long long)lba, jiffies);
1386 BUG_ON(fibptr == NULL);
1388 scsi_dma_unmap(scsicmd);
1390 readreply = (struct aac_read_reply *)fib_data(fibptr);
1391 if (le32_to_cpu(readreply->status) == ST_OK)
1392 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1394 #ifdef AAC_DETAILED_STATUS_INFO
1395 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1396 le32_to_cpu(readreply->status));
1398 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1399 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1401 SENCODE_INTERNAL_TARGET_FAILURE,
1402 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1404 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1405 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1406 ? sizeof(scsicmd->sense_buffer)
1407 : sizeof(dev->fsa_dev[cid].sense_data));
1409 aac_fib_complete(fibptr);
1410 aac_fib_free(fibptr);
1412 scsicmd->scsi_done(scsicmd);
1415 static int aac_read(struct scsi_cmnd * scsicmd)
1420 struct aac_dev *dev;
1421 struct fib * cmd_fibcontext;
1423 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1425 * Get block address and transfer length
1427 switch (scsicmd->cmnd[0]) {
1429 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1431 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1432 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1433 count = scsicmd->cmnd[4];
1439 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1441 lba = ((u64)scsicmd->cmnd[2] << 56) |
1442 ((u64)scsicmd->cmnd[3] << 48) |
1443 ((u64)scsicmd->cmnd[4] << 40) |
1444 ((u64)scsicmd->cmnd[5] << 32) |
1445 ((u64)scsicmd->cmnd[6] << 24) |
1446 (scsicmd->cmnd[7] << 16) |
1447 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1448 count = (scsicmd->cmnd[10] << 24) |
1449 (scsicmd->cmnd[11] << 16) |
1450 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1453 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1455 lba = ((u64)scsicmd->cmnd[2] << 24) |
1456 (scsicmd->cmnd[3] << 16) |
1457 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1458 count = (scsicmd->cmnd[6] << 24) |
1459 (scsicmd->cmnd[7] << 16) |
1460 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1463 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1465 lba = ((u64)scsicmd->cmnd[2] << 24) |
1466 (scsicmd->cmnd[3] << 16) |
1467 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1468 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1471 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1472 smp_processor_id(), (unsigned long long)lba, jiffies));
1473 if (aac_adapter_bounds(dev,scsicmd,lba))
1476 * Alocate and initialize a Fib
1478 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1482 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1485 * Check that the command queued to the controller
1487 if (status == -EINPROGRESS) {
1488 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1492 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1494 * For some reason, the Fib didn't queue, return QUEUE_FULL
1496 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1497 scsicmd->scsi_done(scsicmd);
1498 aac_fib_complete(cmd_fibcontext);
1499 aac_fib_free(cmd_fibcontext);
1503 static int aac_write(struct scsi_cmnd * scsicmd)
1509 struct aac_dev *dev;
1510 struct fib * cmd_fibcontext;
1512 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1514 * Get block address and transfer length
1516 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1518 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1519 count = scsicmd->cmnd[4];
1523 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1524 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1526 lba = ((u64)scsicmd->cmnd[2] << 56) |
1527 ((u64)scsicmd->cmnd[3] << 48) |
1528 ((u64)scsicmd->cmnd[4] << 40) |
1529 ((u64)scsicmd->cmnd[5] << 32) |
1530 ((u64)scsicmd->cmnd[6] << 24) |
1531 (scsicmd->cmnd[7] << 16) |
1532 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1533 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1534 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1535 fua = scsicmd->cmnd[1] & 0x8;
1536 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1537 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1539 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1540 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1541 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1542 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1543 fua = scsicmd->cmnd[1] & 0x8;
1545 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1546 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1547 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1548 fua = scsicmd->cmnd[1] & 0x8;
1550 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1551 smp_processor_id(), (unsigned long long)lba, jiffies));
1552 if (aac_adapter_bounds(dev,scsicmd,lba))
1555 * Allocate and initialize a Fib then setup a BlockWrite command
1557 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1558 scsicmd->result = DID_ERROR << 16;
1559 scsicmd->scsi_done(scsicmd);
1563 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1566 * Check that the command queued to the controller
1568 if (status == -EINPROGRESS) {
1569 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1573 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1575 * For some reason, the Fib didn't queue, return QUEUE_FULL
1577 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1578 scsicmd->scsi_done(scsicmd);
1580 aac_fib_complete(cmd_fibcontext);
1581 aac_fib_free(cmd_fibcontext);
1585 static void synchronize_callback(void *context, struct fib *fibptr)
1587 struct aac_synchronize_reply *synchronizereply;
1588 struct scsi_cmnd *cmd;
1592 if (!aac_valid_context(cmd, fibptr))
1595 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1596 smp_processor_id(), jiffies));
1597 BUG_ON(fibptr == NULL);
1600 synchronizereply = fib_data(fibptr);
1601 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1602 cmd->result = DID_OK << 16 |
1603 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1605 struct scsi_device *sdev = cmd->device;
1606 struct aac_dev *dev = fibptr->dev;
1607 u32 cid = sdev_id(sdev);
1609 "synchronize_callback: synchronize failed, status = %d\n",
1610 le32_to_cpu(synchronizereply->status));
1611 cmd->result = DID_OK << 16 |
1612 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1613 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1615 SENCODE_INTERNAL_TARGET_FAILURE,
1616 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1618 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1619 min(sizeof(dev->fsa_dev[cid].sense_data),
1620 sizeof(cmd->sense_buffer)));
1623 aac_fib_complete(fibptr);
1624 aac_fib_free(fibptr);
1625 cmd->scsi_done(cmd);
1628 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1631 struct fib *cmd_fibcontext;
1632 struct aac_synchronize *synchronizecmd;
1633 struct scsi_cmnd *cmd;
1634 struct scsi_device *sdev = scsicmd->device;
1636 struct aac_dev *aac;
1637 unsigned long flags;
1640 * Wait for all outstanding queued commands to complete to this
1641 * specific target (block).
1643 spin_lock_irqsave(&sdev->list_lock, flags);
1644 list_for_each_entry(cmd, &sdev->cmd_list, list)
1645 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1650 spin_unlock_irqrestore(&sdev->list_lock, flags);
1653 * Yield the processor (requeue for later)
1656 return SCSI_MLQUEUE_DEVICE_BUSY;
1658 aac = (struct aac_dev *)scsicmd->device->host->hostdata;
1660 return SCSI_MLQUEUE_HOST_BUSY;
1663 * Allocate and initialize a Fib
1665 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1666 return SCSI_MLQUEUE_HOST_BUSY;
1668 aac_fib_init(cmd_fibcontext);
1670 synchronizecmd = fib_data(cmd_fibcontext);
1671 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1672 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1673 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1674 synchronizecmd->count =
1675 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1678 * Now send the Fib to the adapter
1680 status = aac_fib_send(ContainerCommand,
1682 sizeof(struct aac_synchronize),
1685 (fib_callback)synchronize_callback,
1689 * Check that the command queued to the controller
1691 if (status == -EINPROGRESS) {
1692 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1697 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1698 aac_fib_complete(cmd_fibcontext);
1699 aac_fib_free(cmd_fibcontext);
1700 return SCSI_MLQUEUE_HOST_BUSY;
1704 * aac_scsi_cmd() - Process SCSI command
1705 * @scsicmd: SCSI command block
1707 * Emulate a SCSI command and queue the required request for the
1711 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1714 struct Scsi_Host *host = scsicmd->device->host;
1715 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1716 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1718 if (fsa_dev_ptr == NULL)
1721 * If the bus, id or lun is out of range, return fail
1722 * Test does not apply to ID 16, the pseudo id for the controller
1725 cid = scmd_id(scsicmd);
1726 if (cid != host->this_id) {
1727 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
1728 if((cid >= dev->maximum_num_containers) ||
1729 (scsicmd->device->lun != 0)) {
1730 scsicmd->result = DID_NO_CONNECT << 16;
1731 scsicmd->scsi_done(scsicmd);
1736 * If the target container doesn't exist, it may have
1737 * been newly created
1739 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1740 switch (scsicmd->cmnd[0]) {
1741 case SERVICE_ACTION_IN:
1742 if (!(dev->raw_io_interface) ||
1743 !(dev->raw_io_64) ||
1744 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1748 case TEST_UNIT_READY:
1751 return _aac_probe_container(scsicmd,
1752 aac_probe_container_callback2);
1757 } else { /* check for physical non-dasd devices */
1758 if ((dev->nondasd_support == 1) || expose_physicals) {
1761 return aac_send_srb_fib(scsicmd);
1763 scsicmd->result = DID_NO_CONNECT << 16;
1764 scsicmd->scsi_done(scsicmd);
1770 * else Command for the controller itself
1772 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
1773 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1775 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1776 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1777 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1779 SENCODE_INVALID_COMMAND,
1780 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1781 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1782 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1783 ? sizeof(scsicmd->sense_buffer)
1784 : sizeof(dev->fsa_dev[cid].sense_data));
1785 scsicmd->scsi_done(scsicmd);
1790 /* Handle commands here that don't really require going out to the adapter */
1791 switch (scsicmd->cmnd[0]) {
1794 struct inquiry_data inq_data;
1796 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
1797 memset(&inq_data, 0, sizeof (struct inquiry_data));
1799 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
1800 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 */
1801 inq_data.inqd_len = 31;
1802 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1803 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1805 * Set the Vendor, Product, and Revision Level
1806 * see: <vendor>.c i.e. aac.c
1808 if (cid == host->this_id) {
1809 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
1810 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
1811 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1812 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1813 scsicmd->scsi_done(scsicmd);
1818 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1819 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
1820 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1821 return aac_get_container_name(scsicmd);
1823 case SERVICE_ACTION_IN:
1824 if (!(dev->raw_io_interface) ||
1825 !(dev->raw_io_64) ||
1826 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1832 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1833 capacity = fsa_dev_ptr[cid].size - 1;
1834 cp[0] = (capacity >> 56) & 0xff;
1835 cp[1] = (capacity >> 48) & 0xff;
1836 cp[2] = (capacity >> 40) & 0xff;
1837 cp[3] = (capacity >> 32) & 0xff;
1838 cp[4] = (capacity >> 24) & 0xff;
1839 cp[5] = (capacity >> 16) & 0xff;
1840 cp[6] = (capacity >> 8) & 0xff;
1841 cp[7] = (capacity >> 0) & 0xff;
1847 aac_internal_transfer(scsicmd, cp, 0,
1848 min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1849 if (sizeof(cp) < scsicmd->cmnd[13]) {
1850 unsigned int len, offset = sizeof(cp);
1852 memset(cp, 0, offset);
1854 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1856 aac_internal_transfer(scsicmd, cp, offset, len);
1857 } while ((offset += len) < scsicmd->cmnd[13]);
1860 /* Do not cache partition table for arrays */
1861 scsicmd->device->removable = 1;
1863 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1864 scsicmd->scsi_done(scsicmd);
1874 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1875 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1876 capacity = fsa_dev_ptr[cid].size - 1;
1880 cp[0] = (capacity >> 24) & 0xff;
1881 cp[1] = (capacity >> 16) & 0xff;
1882 cp[2] = (capacity >> 8) & 0xff;
1883 cp[3] = (capacity >> 0) & 0xff;
1888 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1889 /* Do not cache partition table for arrays */
1890 scsicmd->device->removable = 1;
1892 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1893 scsicmd->scsi_done(scsicmd);
1901 int mode_buf_length = 4;
1903 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1904 mode_buf[0] = 3; /* Mode data length */
1905 mode_buf[1] = 0; /* Medium type - default */
1906 mode_buf[2] = 0; /* Device-specific param,
1907 bit 8: 0/1 = write enabled/protected
1908 bit 4: 0/1 = FUA enabled */
1909 if (dev->raw_io_interface)
1911 mode_buf[3] = 0; /* Block descriptor length */
1912 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
1913 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
1917 mode_buf[6] = 0x04; /* WCE */
1918 mode_buf_length = 7;
1919 if (mode_buf_length > scsicmd->cmnd[4])
1920 mode_buf_length = scsicmd->cmnd[4];
1922 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
1923 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1924 scsicmd->scsi_done(scsicmd);
1931 int mode_buf_length = 8;
1933 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1934 mode_buf[0] = 0; /* Mode data length (MSB) */
1935 mode_buf[1] = 6; /* Mode data length (LSB) */
1936 mode_buf[2] = 0; /* Medium type - default */
1937 mode_buf[3] = 0; /* Device-specific param,
1938 bit 8: 0/1 = write enabled/protected
1939 bit 4: 0/1 = FUA enabled */
1940 if (dev->raw_io_interface)
1942 mode_buf[4] = 0; /* reserved */
1943 mode_buf[5] = 0; /* reserved */
1944 mode_buf[6] = 0; /* Block descriptor length (MSB) */
1945 mode_buf[7] = 0; /* Block descriptor length (LSB) */
1946 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
1947 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
1951 mode_buf[10] = 0x04; /* WCE */
1952 mode_buf_length = 11;
1953 if (mode_buf_length > scsicmd->cmnd[8])
1954 mode_buf_length = scsicmd->cmnd[8];
1956 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
1958 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1959 scsicmd->scsi_done(scsicmd);
1964 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1965 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1966 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1967 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1968 scsicmd->scsi_done(scsicmd);
1971 case ALLOW_MEDIUM_REMOVAL:
1972 dprintk((KERN_DEBUG "LOCK command.\n"));
1973 if (scsicmd->cmnd[4])
1974 fsa_dev_ptr[cid].locked = 1;
1976 fsa_dev_ptr[cid].locked = 0;
1978 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1979 scsicmd->scsi_done(scsicmd);
1982 * These commands are all No-Ops
1984 case TEST_UNIT_READY:
1988 case REASSIGN_BLOCKS:
1991 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1992 scsicmd->scsi_done(scsicmd);
1996 switch (scsicmd->cmnd[0])
2005 * Hack to keep track of ordinal number of the device that
2006 * corresponds to a container. Needed to convert
2007 * containers to /dev/sd device names
2010 if (scsicmd->request->rq_disk)
2011 strlcpy(fsa_dev_ptr[cid].devname,
2012 scsicmd->request->rq_disk->disk_name,
2013 min(sizeof(fsa_dev_ptr[cid].devname),
2014 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2016 return aac_read(scsicmd);
2024 return aac_write(scsicmd);
2026 case SYNCHRONIZE_CACHE:
2027 /* Issue FIB to tell Firmware to flush it's cache */
2028 return aac_synchronize(scsicmd);
2032 * Unhandled commands
2034 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2035 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2036 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
2037 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2038 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
2039 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2040 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
2041 ? sizeof(scsicmd->sense_buffer)
2042 : sizeof(dev->fsa_dev[cid].sense_data));
2043 scsicmd->scsi_done(scsicmd);
2048 static int query_disk(struct aac_dev *dev, void __user *arg)
2050 struct aac_query_disk qd;
2051 struct fsa_dev_info *fsa_dev_ptr;
2053 fsa_dev_ptr = dev->fsa_dev;
2056 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2060 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2062 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2064 qd.instance = dev->scsi_host_ptr->host_no;
2066 qd.id = CONTAINER_TO_ID(qd.cnum);
2067 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2069 else return -EINVAL;
2071 qd.valid = fsa_dev_ptr[qd.cnum].valid;
2072 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2073 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2075 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2080 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2081 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2083 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2088 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2090 struct aac_delete_disk dd;
2091 struct fsa_dev_info *fsa_dev_ptr;
2093 fsa_dev_ptr = dev->fsa_dev;
2097 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2100 if (dd.cnum >= dev->maximum_num_containers)
2103 * Mark this container as being deleted.
2105 fsa_dev_ptr[dd.cnum].deleted = 1;
2107 * Mark the container as no longer valid
2109 fsa_dev_ptr[dd.cnum].valid = 0;
2113 static int delete_disk(struct aac_dev *dev, void __user *arg)
2115 struct aac_delete_disk dd;
2116 struct fsa_dev_info *fsa_dev_ptr;
2118 fsa_dev_ptr = dev->fsa_dev;
2122 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2125 if (dd.cnum >= dev->maximum_num_containers)
2128 * If the container is locked, it can not be deleted by the API.
2130 if (fsa_dev_ptr[dd.cnum].locked)
2134 * Mark the container as no longer being valid.
2136 fsa_dev_ptr[dd.cnum].valid = 0;
2137 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2142 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2145 case FSACTL_QUERY_DISK:
2146 return query_disk(dev, arg);
2147 case FSACTL_DELETE_DISK:
2148 return delete_disk(dev, arg);
2149 case FSACTL_FORCE_DELETE_DISK:
2150 return force_delete_disk(dev, arg);
2151 case FSACTL_GET_CONTAINERS:
2152 return aac_get_containers(dev);
2161 * @context: the context set in the fib - here it is scsi cmd
2162 * @fibptr: pointer to the fib
2164 * Handles the completion of a scsi command to a non dasd device
2168 static void aac_srb_callback(void *context, struct fib * fibptr)
2170 struct aac_dev *dev;
2171 struct aac_srb_reply *srbreply;
2172 struct scsi_cmnd *scsicmd;
2174 scsicmd = (struct scsi_cmnd *) context;
2176 if (!aac_valid_context(scsicmd, fibptr))
2179 BUG_ON(fibptr == NULL);
2183 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2185 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2187 * Calculate resid for sg
2190 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2191 - le32_to_cpu(srbreply->data_xfer_length));
2193 scsi_dma_unmap(scsicmd);
2196 * First check the fib status
2199 if (le32_to_cpu(srbreply->status) != ST_OK){
2201 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2202 len = (le32_to_cpu(srbreply->sense_data_size) >
2203 sizeof(scsicmd->sense_buffer)) ?
2204 sizeof(scsicmd->sense_buffer) :
2205 le32_to_cpu(srbreply->sense_data_size);
2206 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2207 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2211 * Next check the srb status
2213 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2214 case SRB_STATUS_ERROR_RECOVERY:
2215 case SRB_STATUS_PENDING:
2216 case SRB_STATUS_SUCCESS:
2217 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2219 case SRB_STATUS_DATA_OVERRUN:
2220 switch(scsicmd->cmnd[0]){
2229 if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2230 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2232 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2234 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2237 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2241 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2245 case SRB_STATUS_ABORTED:
2246 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2248 case SRB_STATUS_ABORT_FAILED:
2249 // Not sure about this one - but assuming the hba was trying to abort for some reason
2250 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2252 case SRB_STATUS_PARITY_ERROR:
2253 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2255 case SRB_STATUS_NO_DEVICE:
2256 case SRB_STATUS_INVALID_PATH_ID:
2257 case SRB_STATUS_INVALID_TARGET_ID:
2258 case SRB_STATUS_INVALID_LUN:
2259 case SRB_STATUS_SELECTION_TIMEOUT:
2260 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2263 case SRB_STATUS_COMMAND_TIMEOUT:
2264 case SRB_STATUS_TIMEOUT:
2265 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2268 case SRB_STATUS_BUSY:
2269 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2272 case SRB_STATUS_BUS_RESET:
2273 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2276 case SRB_STATUS_MESSAGE_REJECTED:
2277 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2279 case SRB_STATUS_REQUEST_FLUSHED:
2280 case SRB_STATUS_ERROR:
2281 case SRB_STATUS_INVALID_REQUEST:
2282 case SRB_STATUS_REQUEST_SENSE_FAILED:
2283 case SRB_STATUS_NO_HBA:
2284 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2285 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2286 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2287 case SRB_STATUS_DELAYED_RETRY:
2288 case SRB_STATUS_BAD_FUNCTION:
2289 case SRB_STATUS_NOT_STARTED:
2290 case SRB_STATUS_NOT_IN_USE:
2291 case SRB_STATUS_FORCE_ABORT:
2292 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2294 #ifdef AAC_DETAILED_STATUS_INFO
2295 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2296 le32_to_cpu(srbreply->srb_status) & 0x3F,
2297 aac_get_status_string(
2298 le32_to_cpu(srbreply->srb_status) & 0x3F),
2300 le32_to_cpu(srbreply->scsi_status));
2302 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2305 if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
2307 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2308 len = (le32_to_cpu(srbreply->sense_data_size) >
2309 sizeof(scsicmd->sense_buffer)) ?
2310 sizeof(scsicmd->sense_buffer) :
2311 le32_to_cpu(srbreply->sense_data_size);
2312 #ifdef AAC_DETAILED_STATUS_INFO
2313 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2314 le32_to_cpu(srbreply->status), len);
2316 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2320 * OR in the scsi status (already shifted up a bit)
2322 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2324 aac_fib_complete(fibptr);
2325 aac_fib_free(fibptr);
2326 scsicmd->scsi_done(scsicmd);
2332 * @scsicmd: the scsi command block
2334 * This routine will form a FIB and fill in the aac_srb from the
2335 * scsicmd passed in.
2338 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2340 struct fib* cmd_fibcontext;
2341 struct aac_dev* dev;
2344 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2345 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2346 scsicmd->device->lun > 7) {
2347 scsicmd->result = DID_NO_CONNECT << 16;
2348 scsicmd->scsi_done(scsicmd);
2353 * Allocate and initialize a Fib then setup a BlockWrite command
2355 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2358 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2361 * Check that the command queued to the controller
2363 if (status == -EINPROGRESS) {
2364 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2368 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2369 aac_fib_complete(cmd_fibcontext);
2370 aac_fib_free(cmd_fibcontext);
2375 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2377 struct aac_dev *dev;
2378 unsigned long byte_count = 0;
2381 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2382 // Get rid of old data
2384 psg->sg[0].addr = 0;
2385 psg->sg[0].count = 0;
2387 nseg = scsi_dma_map(scsicmd);
2390 struct scatterlist *sg;
2393 psg->count = cpu_to_le32(nseg);
2395 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2396 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2397 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2398 byte_count += sg_dma_len(sg);
2400 /* hba wants the size to be exact */
2401 if (byte_count > scsi_bufflen(scsicmd)) {
2402 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2403 (byte_count - scsi_bufflen(scsicmd));
2404 psg->sg[i-1].count = cpu_to_le32(temp);
2405 byte_count = scsi_bufflen(scsicmd);
2407 /* Check for command underflow */
2408 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2409 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2410 byte_count, scsicmd->underflow);
2417 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2419 struct aac_dev *dev;
2420 unsigned long byte_count = 0;
2424 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2425 // Get rid of old data
2427 psg->sg[0].addr[0] = 0;
2428 psg->sg[0].addr[1] = 0;
2429 psg->sg[0].count = 0;
2431 nseg = scsi_dma_map(scsicmd);
2434 struct scatterlist *sg;
2437 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2438 int count = sg_dma_len(sg);
2439 addr = sg_dma_address(sg);
2440 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2441 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2442 psg->sg[i].count = cpu_to_le32(count);
2443 byte_count += count;
2445 psg->count = cpu_to_le32(nseg);
2446 /* hba wants the size to be exact */
2447 if (byte_count > scsi_bufflen(scsicmd)) {
2448 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2449 (byte_count - scsi_bufflen(scsicmd));
2450 psg->sg[i-1].count = cpu_to_le32(temp);
2451 byte_count = scsi_bufflen(scsicmd);
2453 /* Check for command underflow */
2454 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2455 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2456 byte_count, scsicmd->underflow);
2462 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2464 unsigned long byte_count = 0;
2467 // Get rid of old data
2469 psg->sg[0].next = 0;
2470 psg->sg[0].prev = 0;
2471 psg->sg[0].addr[0] = 0;
2472 psg->sg[0].addr[1] = 0;
2473 psg->sg[0].count = 0;
2474 psg->sg[0].flags = 0;
2476 nseg = scsi_dma_map(scsicmd);
2479 struct scatterlist *sg;
2482 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2483 int count = sg_dma_len(sg);
2484 u64 addr = sg_dma_address(sg);
2485 psg->sg[i].next = 0;
2486 psg->sg[i].prev = 0;
2487 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2488 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2489 psg->sg[i].count = cpu_to_le32(count);
2490 psg->sg[i].flags = 0;
2491 byte_count += count;
2493 psg->count = cpu_to_le32(nseg);
2494 /* hba wants the size to be exact */
2495 if (byte_count > scsi_bufflen(scsicmd)) {
2496 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2497 (byte_count - scsi_bufflen(scsicmd));
2498 psg->sg[i-1].count = cpu_to_le32(temp);
2499 byte_count = scsi_bufflen(scsicmd);
2501 /* Check for command underflow */
2502 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2503 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2504 byte_count, scsicmd->underflow);
2510 #ifdef AAC_DETAILED_STATUS_INFO
2512 struct aac_srb_status_info {
2518 static struct aac_srb_status_info srb_status_info[] = {
2519 { SRB_STATUS_PENDING, "Pending Status"},
2520 { SRB_STATUS_SUCCESS, "Success"},
2521 { SRB_STATUS_ABORTED, "Aborted Command"},
2522 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2523 { SRB_STATUS_ERROR, "Error Event"},
2524 { SRB_STATUS_BUSY, "Device Busy"},
2525 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2526 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2527 { SRB_STATUS_NO_DEVICE, "No Device"},
2528 { SRB_STATUS_TIMEOUT, "Timeout"},
2529 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2530 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2531 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2532 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2533 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2534 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2535 { SRB_STATUS_NO_HBA, "No HBA"},
2536 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2537 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2538 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2539 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2540 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2541 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2542 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2543 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2544 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2545 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2546 { SRB_STATUS_NOT_STARTED, "Not Started"},
2547 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2548 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2549 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2550 { 0xff, "Unknown Error"}
2553 char *aac_get_status_string(u32 status)
2557 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2558 if (srb_status_info[i].status == status)
2559 return srb_status_info[i].str;
2561 return "Bad Status Code";