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 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;
149 static int commit = -1;
151 module_param(nondasd, int, 0);
152 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
153 module_param(dacmode, int, 0);
154 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
155 module_param(commit, int, 0);
156 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(numacb, int, S_IRUGO|S_IWUSR);
160 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.");
163 module_param(acbsize, int, S_IRUGO|S_IWUSR);
164 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.");
166 * aac_get_config_status - check the adapter configuration
167 * @common: adapter to query
169 * Query config status, and commit the configuration if needed.
171 int aac_get_config_status(struct aac_dev *dev)
176 if (!(fibptr = fib_alloc(dev)))
181 struct aac_get_config_status *dinfo;
182 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
184 dinfo->command = cpu_to_le32(VM_ContainerConfig);
185 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
186 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
189 status = fib_send(ContainerCommand,
191 sizeof (struct aac_get_config_status),
196 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
198 struct aac_get_config_status_resp *reply
199 = (struct aac_get_config_status_resp *) fib_data(fibptr);
200 dprintk((KERN_WARNING
201 "aac_get_config_status: response=%d status=%d action=%d\n",
202 le32_to_cpu(reply->response),
203 le32_to_cpu(reply->status),
204 le32_to_cpu(reply->data.action)));
205 if ((le32_to_cpu(reply->response) != ST_OK) ||
206 (le32_to_cpu(reply->status) != CT_OK) ||
207 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
208 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
212 fib_complete(fibptr);
213 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
216 struct aac_commit_config * dinfo;
218 dinfo = (struct aac_commit_config *) fib_data(fibptr);
220 dinfo->command = cpu_to_le32(VM_ContainerConfig);
221 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
223 status = fib_send(ContainerCommand,
225 sizeof (struct aac_commit_config),
229 fib_complete(fibptr);
230 } else if (commit == 0) {
232 "aac_get_config_status: Foreign device configurations are being ignored\n");
240 * aac_get_containers - list containers
241 * @common: adapter to probe
243 * Make a list of all containers on this controller
245 int aac_get_containers(struct aac_dev *dev)
247 struct fsa_dev_info *fsa_dev_ptr;
252 struct aac_get_container_count *dinfo;
253 struct aac_get_container_count_resp *dresp;
254 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
256 instance = dev->scsi_host_ptr->unique_id;
258 if (!(fibptr = fib_alloc(dev)))
262 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
263 dinfo->command = cpu_to_le32(VM_ContainerConfig);
264 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
266 status = fib_send(ContainerCommand,
268 sizeof (struct aac_get_container_count),
273 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
274 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
275 fib_complete(fibptr);
278 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
279 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
280 fsa_dev_ptr = (struct fsa_dev_info *) kmalloc(
281 sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL);
286 memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
288 dev->fsa_dev = fsa_dev_ptr;
289 dev->maximum_num_containers = maximum_num_containers;
291 for (index = 0; index < dev->maximum_num_containers; index++) {
292 struct aac_query_mount *dinfo;
293 struct aac_mount *dresp;
295 fsa_dev_ptr[index].devname[0] = '\0';
298 dinfo = (struct aac_query_mount *) fib_data(fibptr);
300 dinfo->command = cpu_to_le32(VM_NameServe);
301 dinfo->count = cpu_to_le32(index);
302 dinfo->type = cpu_to_le32(FT_FILESYS);
304 status = fib_send(ContainerCommand,
306 sizeof (struct aac_query_mount),
311 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
314 dresp = (struct aac_mount *)fib_data(fibptr);
316 if ((le32_to_cpu(dresp->status) == ST_OK) &&
317 (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
318 dinfo->command = cpu_to_le32(VM_NameServe64);
319 dinfo->count = cpu_to_le32(index);
320 dinfo->type = cpu_to_le32(FT_FILESYS);
322 if (fib_send(ContainerCommand,
324 sizeof(struct aac_query_mount),
330 dresp->mnt[0].capacityhigh = 0;
333 "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%llu\n",
334 (int)index, (int)le32_to_cpu(dresp->status),
335 (int)le32_to_cpu(dresp->mnt[0].vol),
336 (int)le32_to_cpu(dresp->mnt[0].state),
337 ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
338 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32)));
339 if ((le32_to_cpu(dresp->status) == ST_OK) &&
340 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
341 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
342 fsa_dev_ptr[index].valid = 1;
343 fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol);
344 fsa_dev_ptr[index].size
345 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
346 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
347 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
348 fsa_dev_ptr[index].ro = 1;
350 fib_complete(fibptr);
352 * If there are no more containers, then stop asking.
354 if ((index + 1) >= le32_to_cpu(dresp->count)){
362 static void aac_io_done(struct scsi_cmnd * scsicmd)
364 unsigned long cpu_flags;
365 struct Scsi_Host *host = scsicmd->device->host;
366 spin_lock_irqsave(host->host_lock, cpu_flags);
367 scsicmd->scsi_done(scsicmd);
368 spin_unlock_irqrestore(host->host_lock, cpu_flags);
371 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
374 unsigned int transfer_len;
375 struct scatterlist *sg = scsicmd->request_buffer;
377 if (scsicmd->use_sg) {
378 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
379 transfer_len = min(sg->length, len + offset);
381 buf = scsicmd->request_buffer;
382 transfer_len = min(scsicmd->request_bufflen, len + offset);
385 memcpy(buf + offset, data, transfer_len - offset);
388 kunmap_atomic(buf - sg->offset, KM_IRQ0);
392 static void get_container_name_callback(void *context, struct fib * fibptr)
394 struct aac_get_name_resp * get_name_reply;
395 struct scsi_cmnd * scsicmd;
397 scsicmd = (struct scsi_cmnd *) context;
399 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
403 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
404 /* Failure is irrelevant, using default value instead */
405 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
406 && (get_name_reply->data[0] != '\0')) {
407 char *sp = get_name_reply->data;
408 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
412 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
413 int count = sizeof(d);
416 *dp++ = (*sp) ? *sp++ : ' ';
417 } while (--count > 0);
418 aac_internal_transfer(scsicmd, d,
419 offsetof(struct inquiry_data, inqd_pid), sizeof(d));
423 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
425 fib_complete(fibptr);
427 aac_io_done(scsicmd);
431 * aac_get_container_name - get container name, none blocking.
433 static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid)
436 struct aac_get_name *dinfo;
437 struct fib * cmd_fibcontext;
438 struct aac_dev * dev;
440 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
442 if (!(cmd_fibcontext = fib_alloc(dev)))
445 fib_init(cmd_fibcontext);
446 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
448 dinfo->command = cpu_to_le32(VM_ContainerConfig);
449 dinfo->type = cpu_to_le32(CT_READ_NAME);
450 dinfo->cid = cpu_to_le32(cid);
451 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
453 status = fib_send(ContainerCommand,
455 sizeof (struct aac_get_name),
458 (fib_callback) get_container_name_callback,
462 * Check that the command queued to the controller
464 if (status == -EINPROGRESS)
467 printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status);
468 fib_complete(cmd_fibcontext);
469 fib_free(cmd_fibcontext);
474 * probe_container - query a logical volume
475 * @dev: device to query
476 * @cid: container identifier
478 * Queries the controller about the given volume. The volume information
479 * is updated in the struct fsa_dev_info structure rather than returned.
482 static int probe_container(struct aac_dev *dev, int cid)
484 struct fsa_dev_info *fsa_dev_ptr;
486 struct aac_query_mount *dinfo;
487 struct aac_mount *dresp;
491 fsa_dev_ptr = dev->fsa_dev;
492 instance = dev->scsi_host_ptr->unique_id;
494 if (!(fibptr = fib_alloc(dev)))
499 dinfo = (struct aac_query_mount *)fib_data(fibptr);
501 dinfo->command = cpu_to_le32(VM_NameServe);
502 dinfo->count = cpu_to_le32(cid);
503 dinfo->type = cpu_to_le32(FT_FILESYS);
505 status = fib_send(ContainerCommand,
507 sizeof(struct aac_query_mount),
512 printk(KERN_WARNING "aacraid: probe_container query failed.\n");
516 dresp = (struct aac_mount *) fib_data(fibptr);
518 if ((le32_to_cpu(dresp->status) == ST_OK) &&
519 (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
520 dinfo->command = cpu_to_le32(VM_NameServe64);
521 dinfo->count = cpu_to_le32(cid);
522 dinfo->type = cpu_to_le32(FT_FILESYS);
524 if (fib_send(ContainerCommand,
526 sizeof(struct aac_query_mount),
532 dresp->mnt[0].capacityhigh = 0;
534 if ((le32_to_cpu(dresp->status) == ST_OK) &&
535 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
536 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
537 fsa_dev_ptr[cid].valid = 1;
538 fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
539 fsa_dev_ptr[cid].size
540 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
541 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
542 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
543 fsa_dev_ptr[cid].ro = 1;
547 fib_complete(fibptr);
553 /* Local Structure to set SCSI inquiry data strings */
555 char vid[8]; /* Vendor ID */
556 char pid[16]; /* Product ID */
557 char prl[4]; /* Product Revision Level */
561 * InqStrCopy - string merge
562 * @a: string to copy from
563 * @b: string to copy to
565 * Copy a String from one location to another
569 static void inqstrcpy(char *a, char *b)
576 static char *container_types[] = {
602 /* Function: setinqstr
604 * Arguments: [1] pointer to void [1] int
606 * Purpose: Sets SCSI inquiry data strings for vendor, product
607 * and revision level. Allows strings to be set in platform dependant
608 * files instead of in OS dependant driver source.
611 static void setinqstr(int devtype, void *data, int tindex)
613 struct scsi_inq *str;
614 struct aac_driver_ident *mp;
616 mp = aac_get_driver_ident(devtype);
618 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
620 inqstrcpy (mp->vname, str->vid);
621 inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */
623 if (tindex < (sizeof(container_types)/sizeof(char *))){
624 char *findit = str->pid;
626 for ( ; *findit != ' '; findit++); /* walk till we find a space */
627 /* RAID is superfluous in the context of a RAID device */
628 if (memcmp(findit-4, "RAID", 4) == 0)
629 *(findit -= 4) = ' ';
630 inqstrcpy (container_types[tindex], findit + 1);
632 inqstrcpy ("V1.0", str->prl);
635 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
636 u8 a_sense_code, u8 incorrect_length,
637 u8 bit_pointer, u16 field_pointer,
640 sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
641 sense_buf[1] = 0; /* Segment number, always zero */
643 if (incorrect_length) {
644 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
645 sense_buf[3] = BYTE3(residue);
646 sense_buf[4] = BYTE2(residue);
647 sense_buf[5] = BYTE1(residue);
648 sense_buf[6] = BYTE0(residue);
650 sense_buf[2] = sense_key; /* Sense key */
652 if (sense_key == ILLEGAL_REQUEST)
653 sense_buf[7] = 10; /* Additional sense length */
655 sense_buf[7] = 6; /* Additional sense length */
657 sense_buf[12] = sense_code; /* Additional sense code */
658 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
659 if (sense_key == ILLEGAL_REQUEST) {
662 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
663 sense_buf[15] = 0x80;/* Std sense key specific field */
664 /* Illegal parameter is in the parameter block */
666 if (sense_code == SENCODE_INVALID_CDB_FIELD)
667 sense_buf[15] = 0xc0;/* Std sense key specific field */
668 /* Illegal parameter is in the CDB block */
669 sense_buf[15] |= bit_pointer;
670 sense_buf[16] = field_pointer >> 8; /* MSB */
671 sense_buf[17] = field_pointer; /* LSB */
675 int aac_get_adapter_info(struct aac_dev* dev)
680 struct aac_adapter_info *info;
681 struct aac_bus_info *command;
682 struct aac_bus_info_response *bus_info;
684 if (!(fibptr = fib_alloc(dev)))
688 info = (struct aac_adapter_info *) fib_data(fibptr);
689 memset(info,0,sizeof(*info));
691 rcode = fib_send(RequestAdapterInfo,
700 fib_complete(fibptr);
704 memcpy(&dev->adapter_info, info, sizeof(*info));
706 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
707 struct aac_supplement_adapter_info * info;
711 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
713 memset(info,0,sizeof(*info));
715 rcode = fib_send(RequestSupplementAdapterInfo,
724 memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
734 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
736 memset(bus_info, 0, sizeof(*bus_info));
738 command = (struct aac_bus_info *)bus_info;
740 command->Command = cpu_to_le32(VM_Ioctl);
741 command->ObjType = cpu_to_le32(FT_DRIVE);
742 command->MethodId = cpu_to_le32(1);
743 command->CtlCmd = cpu_to_le32(GetBusInfo);
745 rcode = fib_send(ContainerCommand,
752 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
753 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
754 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
757 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
758 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
764 le32_to_cpu(dev->adapter_info.kernelbuild),
765 (int)sizeof(dev->supplement_adapter_info.BuildDate),
766 dev->supplement_adapter_info.BuildDate);
767 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
768 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
770 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
771 le32_to_cpu(dev->adapter_info.monitorbuild));
772 tmp = le32_to_cpu(dev->adapter_info.biosrev);
773 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
775 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
776 le32_to_cpu(dev->adapter_info.biosbuild));
777 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
778 printk(KERN_INFO "%s%d: serial %x\n",
780 le32_to_cpu(dev->adapter_info.serial[0]));
782 dev->nondasd_support = 0;
783 dev->raid_scsi_mode = 0;
784 if(dev->adapter_info.options & AAC_OPT_NONDASD){
785 dev->nondasd_support = 1;
789 * If the firmware supports ROMB RAID/SCSI mode and we are currently
790 * in RAID/SCSI mode, set the flag. For now if in this mode we will
791 * force nondasd support on. If we decide to allow the non-dasd flag
792 * additional changes changes will have to be made to support
793 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
794 * changed to support the new dev->raid_scsi_mode flag instead of
795 * leaching off of the dev->nondasd_support flag. Also in linit.c the
796 * function aac_detect will have to be modified where it sets up the
797 * max number of channels based on the aac->nondasd_support flag only.
799 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
800 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
801 dev->nondasd_support = 1;
802 dev->raid_scsi_mode = 1;
804 if (dev->raid_scsi_mode != 0)
805 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
809 dev->nondasd_support = (nondasd!=0);
811 if(dev->nondasd_support != 0){
812 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
815 dev->dac_support = 0;
816 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
817 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
818 dev->dac_support = 1;
822 dev->dac_support = (dacmode!=0);
824 if(dev->dac_support != 0) {
825 if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) &&
826 !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) {
827 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
829 } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) &&
830 !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) {
831 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
833 dev->dac_support = 0;
835 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
841 * 57 scatter gather elements
843 if (!(dev->raw_io_interface)) {
844 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
845 sizeof(struct aac_fibhdr) -
846 sizeof(struct aac_write) + sizeof(struct sgmap)) /
847 sizeof(struct sgmap);
848 if (dev->dac_support) {
850 * 38 scatter gather elements
852 dev->scsi_host_ptr->sg_tablesize =
854 sizeof(struct aac_fibhdr) -
855 sizeof(struct aac_write64) +
856 sizeof(struct sgmap64)) /
857 sizeof(struct sgmap64);
859 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
860 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
862 * Worst case size that could cause sg overflow when
863 * we break up SG elements that are larger than 64KB.
864 * Would be nice if we could tell the SCSI layer what
865 * the maximum SG element size can be. Worst case is
866 * (sg_tablesize-1) 4KB elements with one 64KB
868 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
870 dev->scsi_host_ptr->max_sectors =
871 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
875 fib_complete(fibptr);
882 static void io_callback(void *context, struct fib * fibptr)
885 struct aac_read_reply *readreply;
886 struct scsi_cmnd *scsicmd;
889 scsicmd = (struct scsi_cmnd *) context;
891 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
892 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
894 if (nblank(dprintk(x))) {
896 switch (scsicmd->cmnd[0]) {
899 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
900 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
904 lba = ((u64)scsicmd->cmnd[2] << 56) |
905 ((u64)scsicmd->cmnd[3] << 48) |
906 ((u64)scsicmd->cmnd[4] << 40) |
907 ((u64)scsicmd->cmnd[5] << 32) |
908 ((u64)scsicmd->cmnd[6] << 24) |
909 (scsicmd->cmnd[7] << 16) |
910 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
914 lba = ((u64)scsicmd->cmnd[2] << 24) |
915 (scsicmd->cmnd[3] << 16) |
916 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
919 lba = ((u64)scsicmd->cmnd[2] << 24) |
920 (scsicmd->cmnd[3] << 16) |
921 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
925 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
926 smp_processor_id(), (unsigned long long)lba, jiffies);
933 pci_unmap_sg(dev->pdev,
934 (struct scatterlist *)scsicmd->buffer,
936 scsicmd->sc_data_direction);
937 else if(scsicmd->request_bufflen)
938 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
939 scsicmd->request_bufflen,
940 scsicmd->sc_data_direction);
941 readreply = (struct aac_read_reply *)fib_data(fibptr);
942 if (le32_to_cpu(readreply->status) == ST_OK)
943 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
945 #ifdef AAC_DETAILED_STATUS_INFO
946 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
947 le32_to_cpu(readreply->status));
949 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
950 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
952 SENCODE_INTERNAL_TARGET_FAILURE,
953 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
955 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
956 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
957 ? sizeof(scsicmd->sense_buffer)
958 : sizeof(dev->fsa_dev[cid].sense_data));
960 fib_complete(fibptr);
963 aac_io_done(scsicmd);
966 static int aac_read(struct scsi_cmnd * scsicmd, int cid)
974 struct fib * cmd_fibcontext;
976 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
978 * Get block address and transfer length
980 switch (scsicmd->cmnd[0]) {
982 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid));
984 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
985 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
986 count = scsicmd->cmnd[4];
992 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", cid));
994 lba = ((u64)scsicmd->cmnd[2] << 56) |
995 ((u64)scsicmd->cmnd[3] << 48) |
996 ((u64)scsicmd->cmnd[4] << 40) |
997 ((u64)scsicmd->cmnd[5] << 32) |
998 ((u64)scsicmd->cmnd[6] << 24) |
999 (scsicmd->cmnd[7] << 16) |
1000 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1001 count = (scsicmd->cmnd[10] << 24) |
1002 (scsicmd->cmnd[11] << 16) |
1003 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1006 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", cid));
1008 lba = ((u64)scsicmd->cmnd[2] << 24) |
1009 (scsicmd->cmnd[3] << 16) |
1010 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1011 count = (scsicmd->cmnd[6] << 24) |
1012 (scsicmd->cmnd[7] << 16) |
1013 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1016 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid));
1018 lba = ((u64)scsicmd->cmnd[2] << 24) |
1019 (scsicmd->cmnd[3] << 16) |
1020 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1021 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1024 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1025 smp_processor_id(), (unsigned long long)lba, jiffies));
1026 if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) &&
1027 (lba & 0xffffffff00000000LL)) {
1028 dprintk((KERN_DEBUG "aac_read: Illegal lba\n"));
1029 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1030 SAM_STAT_CHECK_CONDITION;
1031 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1033 SENCODE_INTERNAL_TARGET_FAILURE,
1034 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1036 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1037 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1038 ? sizeof(scsicmd->sense_buffer)
1039 : sizeof(dev->fsa_dev[cid].sense_data));
1040 scsicmd->scsi_done(scsicmd);
1044 * Alocate and initialize a Fib
1046 if (!(cmd_fibcontext = fib_alloc(dev))) {
1050 fib_init(cmd_fibcontext);
1052 if (dev->raw_io_interface) {
1053 struct aac_raw_io *readcmd;
1054 readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1055 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1056 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1057 readcmd->count = cpu_to_le32(count<<9);
1058 readcmd->cid = cpu_to_le16(cid);
1059 readcmd->flags = cpu_to_le16(1);
1060 readcmd->bpTotal = 0;
1061 readcmd->bpComplete = 0;
1063 aac_build_sgraw(scsicmd, &readcmd->sg);
1064 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
1065 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1068 * Now send the Fib to the adapter
1070 status = fib_send(ContainerRawIo,
1075 (fib_callback) io_callback,
1077 } else if (dev->dac_support == 1) {
1078 struct aac_read64 *readcmd;
1079 readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
1080 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1081 readcmd->cid = cpu_to_le16(cid);
1082 readcmd->sector_count = cpu_to_le16(count);
1083 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1087 aac_build_sg64(scsicmd, &readcmd->sg);
1088 fibsize = sizeof(struct aac_read64) +
1089 ((le32_to_cpu(readcmd->sg.count) - 1) *
1090 sizeof (struct sgentry64));
1091 BUG_ON (fibsize > (dev->max_fib_size -
1092 sizeof(struct aac_fibhdr)));
1094 * Now send the Fib to the adapter
1096 status = fib_send(ContainerCommand64,
1101 (fib_callback) io_callback,
1104 struct aac_read *readcmd;
1105 readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
1106 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1107 readcmd->cid = cpu_to_le32(cid);
1108 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1109 readcmd->count = cpu_to_le32(count * 512);
1111 aac_build_sg(scsicmd, &readcmd->sg);
1112 fibsize = sizeof(struct aac_read) +
1113 ((le32_to_cpu(readcmd->sg.count) - 1) *
1114 sizeof (struct sgentry));
1115 BUG_ON (fibsize > (dev->max_fib_size -
1116 sizeof(struct aac_fibhdr)));
1118 * Now send the Fib to the adapter
1120 status = fib_send(ContainerCommand,
1125 (fib_callback) io_callback,
1132 * Check that the command queued to the controller
1134 if (status == -EINPROGRESS)
1137 printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status);
1139 * For some reason, the Fib didn't queue, return QUEUE_FULL
1141 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1142 aac_io_done(scsicmd);
1143 fib_complete(cmd_fibcontext);
1144 fib_free(cmd_fibcontext);
1148 static int aac_write(struct scsi_cmnd * scsicmd, int cid)
1154 struct aac_dev *dev;
1155 struct fib * cmd_fibcontext;
1157 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1159 * Get block address and transfer length
1161 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1163 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1164 count = scsicmd->cmnd[4];
1167 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1168 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", cid));
1170 lba = ((u64)scsicmd->cmnd[2] << 56) |
1171 ((u64)scsicmd->cmnd[3] << 48) |
1172 ((u64)scsicmd->cmnd[4] << 40) |
1173 ((u64)scsicmd->cmnd[5] << 32) |
1174 ((u64)scsicmd->cmnd[6] << 24) |
1175 (scsicmd->cmnd[7] << 16) |
1176 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1177 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1178 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1179 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1180 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", cid));
1182 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1183 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1184 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1185 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1187 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid));
1188 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1189 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1191 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1192 smp_processor_id(), (unsigned long long)lba, jiffies));
1193 if ((!(dev->raw_io_interface) || !(dev->raw_io_64))
1194 && (lba & 0xffffffff00000000LL)) {
1195 dprintk((KERN_DEBUG "aac_write: Illegal lba\n"));
1196 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1197 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1199 SENCODE_INTERNAL_TARGET_FAILURE,
1200 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1202 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1203 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1204 ? sizeof(scsicmd->sense_buffer)
1205 : sizeof(dev->fsa_dev[cid].sense_data));
1206 scsicmd->scsi_done(scsicmd);
1210 * Allocate and initialize a Fib then setup a BlockWrite command
1212 if (!(cmd_fibcontext = fib_alloc(dev))) {
1213 scsicmd->result = DID_ERROR << 16;
1214 aac_io_done(scsicmd);
1217 fib_init(cmd_fibcontext);
1219 if (dev->raw_io_interface) {
1220 struct aac_raw_io *writecmd;
1221 writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1222 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1223 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1224 writecmd->count = cpu_to_le32(count<<9);
1225 writecmd->cid = cpu_to_le16(cid);
1226 writecmd->flags = 0;
1227 writecmd->bpTotal = 0;
1228 writecmd->bpComplete = 0;
1230 aac_build_sgraw(scsicmd, &writecmd->sg);
1231 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1232 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1235 * Now send the Fib to the adapter
1237 status = fib_send(ContainerRawIo,
1242 (fib_callback) io_callback,
1244 } else if (dev->dac_support == 1) {
1245 struct aac_write64 *writecmd;
1246 writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
1247 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1248 writecmd->cid = cpu_to_le16(cid);
1249 writecmd->sector_count = cpu_to_le16(count);
1250 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1252 writecmd->flags = 0;
1254 aac_build_sg64(scsicmd, &writecmd->sg);
1255 fibsize = sizeof(struct aac_write64) +
1256 ((le32_to_cpu(writecmd->sg.count) - 1) *
1257 sizeof (struct sgentry64));
1258 BUG_ON (fibsize > (dev->max_fib_size -
1259 sizeof(struct aac_fibhdr)));
1261 * Now send the Fib to the adapter
1263 status = fib_send(ContainerCommand64,
1268 (fib_callback) io_callback,
1271 struct aac_write *writecmd;
1272 writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
1273 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1274 writecmd->cid = cpu_to_le32(cid);
1275 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1276 writecmd->count = cpu_to_le32(count * 512);
1277 writecmd->sg.count = cpu_to_le32(1);
1278 /* ->stable is not used - it did mean which type of write */
1280 aac_build_sg(scsicmd, &writecmd->sg);
1281 fibsize = sizeof(struct aac_write) +
1282 ((le32_to_cpu(writecmd->sg.count) - 1) *
1283 sizeof (struct sgentry));
1284 BUG_ON (fibsize > (dev->max_fib_size -
1285 sizeof(struct aac_fibhdr)));
1287 * Now send the Fib to the adapter
1289 status = fib_send(ContainerCommand,
1294 (fib_callback) io_callback,
1299 * Check that the command queued to the controller
1301 if (status == -EINPROGRESS)
1306 printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status);
1308 * For some reason, the Fib didn't queue, return QUEUE_FULL
1310 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1311 aac_io_done(scsicmd);
1313 fib_complete(cmd_fibcontext);
1314 fib_free(cmd_fibcontext);
1318 static void synchronize_callback(void *context, struct fib *fibptr)
1320 struct aac_synchronize_reply *synchronizereply;
1321 struct scsi_cmnd *cmd;
1325 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1326 smp_processor_id(), jiffies));
1327 BUG_ON(fibptr == NULL);
1330 synchronizereply = fib_data(fibptr);
1331 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1332 cmd->result = DID_OK << 16 |
1333 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1335 struct scsi_device *sdev = cmd->device;
1336 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1337 u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun);
1339 "synchronize_callback: synchronize failed, status = %d\n",
1340 le32_to_cpu(synchronizereply->status));
1341 cmd->result = DID_OK << 16 |
1342 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1343 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1345 SENCODE_INTERNAL_TARGET_FAILURE,
1346 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1348 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1349 min(sizeof(dev->fsa_dev[cid].sense_data),
1350 sizeof(cmd->sense_buffer)));
1353 fib_complete(fibptr);
1358 static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
1361 struct fib *cmd_fibcontext;
1362 struct aac_synchronize *synchronizecmd;
1363 struct scsi_cmnd *cmd;
1364 struct scsi_device *sdev = scsicmd->device;
1366 unsigned long flags;
1369 * Wait for all commands to complete to this specific
1372 spin_lock_irqsave(&sdev->list_lock, flags);
1373 list_for_each_entry(cmd, &sdev->cmd_list, list)
1374 if (cmd != scsicmd && cmd->serial_number != 0) {
1379 spin_unlock_irqrestore(&sdev->list_lock, flags);
1382 * Yield the processor (requeue for later)
1385 return SCSI_MLQUEUE_DEVICE_BUSY;
1388 * Allocate and initialize a Fib
1390 if (!(cmd_fibcontext =
1391 fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
1392 return SCSI_MLQUEUE_HOST_BUSY;
1394 fib_init(cmd_fibcontext);
1396 synchronizecmd = fib_data(cmd_fibcontext);
1397 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1398 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1399 synchronizecmd->cid = cpu_to_le32(cid);
1400 synchronizecmd->count =
1401 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1404 * Now send the Fib to the adapter
1406 status = fib_send(ContainerCommand,
1408 sizeof(struct aac_synchronize),
1411 (fib_callback)synchronize_callback,
1415 * Check that the command queued to the controller
1417 if (status == -EINPROGRESS)
1421 "aac_synchronize: fib_send failed with status: %d.\n", status);
1422 fib_complete(cmd_fibcontext);
1423 fib_free(cmd_fibcontext);
1424 return SCSI_MLQUEUE_HOST_BUSY;
1428 * aac_scsi_cmd() - Process SCSI command
1429 * @scsicmd: SCSI command block
1431 * Emulate a SCSI command and queue the required request for the
1435 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1438 struct Scsi_Host *host = scsicmd->device->host;
1439 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1440 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1441 int cardtype = dev->cardtype;
1445 * If the bus, id or lun is out of range, return fail
1446 * Test does not apply to ID 16, the pseudo id for the controller
1449 if (scsicmd->device->id != host->this_id) {
1450 if ((scsicmd->device->channel == 0) ){
1451 if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){
1452 scsicmd->result = DID_NO_CONNECT << 16;
1453 scsicmd->scsi_done(scsicmd);
1456 cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
1459 * If the target container doesn't exist, it may have
1460 * been newly created
1462 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1463 switch (scsicmd->cmnd[0]) {
1464 case SERVICE_ACTION_IN:
1465 if (!(dev->raw_io_interface) ||
1466 !(dev->raw_io_64) ||
1467 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1471 case TEST_UNIT_READY:
1472 spin_unlock_irq(host->host_lock);
1473 probe_container(dev, cid);
1474 spin_lock_irq(host->host_lock);
1475 if (fsa_dev_ptr[cid].valid == 0) {
1476 scsicmd->result = DID_NO_CONNECT << 16;
1477 scsicmd->scsi_done(scsicmd);
1485 * If the target container still doesn't exist,
1488 if (fsa_dev_ptr[cid].valid == 0) {
1489 scsicmd->result = DID_BAD_TARGET << 16;
1490 scsicmd->scsi_done(scsicmd);
1493 } else { /* check for physical non-dasd devices */
1494 if(dev->nondasd_support == 1){
1495 return aac_send_srb_fib(scsicmd);
1497 scsicmd->result = DID_NO_CONNECT << 16;
1498 scsicmd->scsi_done(scsicmd);
1504 * else Command for the controller itself
1506 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
1507 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1509 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1510 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1511 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1513 SENCODE_INVALID_COMMAND,
1514 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1515 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1516 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1517 ? sizeof(scsicmd->sense_buffer)
1518 : sizeof(dev->fsa_dev[cid].sense_data));
1519 scsicmd->scsi_done(scsicmd);
1524 /* Handle commands here that don't really require going out to the adapter */
1525 switch (scsicmd->cmnd[0]) {
1528 struct inquiry_data inq_data;
1530 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
1531 memset(&inq_data, 0, sizeof (struct inquiry_data));
1533 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
1534 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 */
1535 inq_data.inqd_len = 31;
1536 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1537 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1539 * Set the Vendor, Product, and Revision Level
1540 * see: <vendor>.c i.e. aac.c
1542 if (scsicmd->device->id == host->this_id) {
1543 setinqstr(cardtype, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
1544 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
1545 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1546 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1547 scsicmd->scsi_done(scsicmd);
1550 setinqstr(cardtype, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1551 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
1552 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1553 return aac_get_container_name(scsicmd, cid);
1555 case SERVICE_ACTION_IN:
1556 if (!(dev->raw_io_interface) ||
1557 !(dev->raw_io_64) ||
1558 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1563 unsigned int offset = 0;
1565 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1566 capacity = fsa_dev_ptr[cid].size - 1;
1567 if (scsicmd->cmnd[13] > 12) {
1568 offset = scsicmd->cmnd[13] - 12;
1569 if (offset > sizeof(cp))
1571 memset(cp, 0, offset);
1572 aac_internal_transfer(scsicmd, cp, 0, offset);
1574 cp[0] = (capacity >> 56) & 0xff;
1575 cp[1] = (capacity >> 48) & 0xff;
1576 cp[2] = (capacity >> 40) & 0xff;
1577 cp[3] = (capacity >> 32) & 0xff;
1578 cp[4] = (capacity >> 24) & 0xff;
1579 cp[5] = (capacity >> 16) & 0xff;
1580 cp[6] = (capacity >> 8) & 0xff;
1581 cp[7] = (capacity >> 0) & 0xff;
1586 aac_internal_transfer(scsicmd, cp, offset, sizeof(cp));
1588 /* Do not cache partition table for arrays */
1589 scsicmd->device->removable = 1;
1591 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1592 scsicmd->scsi_done(scsicmd);
1602 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1603 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1604 capacity = fsa_dev_ptr[cid].size - 1;
1608 cp[0] = (capacity >> 24) & 0xff;
1609 cp[1] = (capacity >> 16) & 0xff;
1610 cp[2] = (capacity >> 8) & 0xff;
1611 cp[3] = (capacity >> 0) & 0xff;
1616 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1617 /* Do not cache partition table for arrays */
1618 scsicmd->device->removable = 1;
1620 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1621 scsicmd->scsi_done(scsicmd);
1630 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1631 mode_buf[0] = 3; /* Mode data length */
1632 mode_buf[1] = 0; /* Medium type - default */
1633 mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1634 mode_buf[3] = 0; /* Block descriptor length */
1636 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1637 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1638 scsicmd->scsi_done(scsicmd);
1646 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1647 mode_buf[0] = 0; /* Mode data length (MSB) */
1648 mode_buf[1] = 6; /* Mode data length (LSB) */
1649 mode_buf[2] = 0; /* Medium type - default */
1650 mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1651 mode_buf[4] = 0; /* reserved */
1652 mode_buf[5] = 0; /* reserved */
1653 mode_buf[6] = 0; /* Block descriptor length (MSB) */
1654 mode_buf[7] = 0; /* Block descriptor length (LSB) */
1655 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1657 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1658 scsicmd->scsi_done(scsicmd);
1663 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1664 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1665 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1666 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1667 scsicmd->scsi_done(scsicmd);
1670 case ALLOW_MEDIUM_REMOVAL:
1671 dprintk((KERN_DEBUG "LOCK command.\n"));
1672 if (scsicmd->cmnd[4])
1673 fsa_dev_ptr[cid].locked = 1;
1675 fsa_dev_ptr[cid].locked = 0;
1677 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1678 scsicmd->scsi_done(scsicmd);
1681 * These commands are all No-Ops
1683 case TEST_UNIT_READY:
1687 case REASSIGN_BLOCKS:
1690 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1691 scsicmd->scsi_done(scsicmd);
1695 switch (scsicmd->cmnd[0])
1702 * Hack to keep track of ordinal number of the device that
1703 * corresponds to a container. Needed to convert
1704 * containers to /dev/sd device names
1707 spin_unlock_irq(host->host_lock);
1708 if (scsicmd->request->rq_disk)
1709 strlcpy(fsa_dev_ptr[cid].devname,
1710 scsicmd->request->rq_disk->disk_name,
1711 min(sizeof(fsa_dev_ptr[cid].devname),
1712 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1713 ret = aac_read(scsicmd, cid);
1714 spin_lock_irq(host->host_lock);
1721 spin_unlock_irq(host->host_lock);
1722 ret = aac_write(scsicmd, cid);
1723 spin_lock_irq(host->host_lock);
1726 case SYNCHRONIZE_CACHE:
1727 /* Issue FIB to tell Firmware to flush it's cache */
1728 return aac_synchronize(scsicmd, cid);
1732 * Unhandled commands
1734 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1735 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1736 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1737 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1738 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1739 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1740 (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1741 ? sizeof(scsicmd->sense_buffer)
1742 : sizeof(dev->fsa_dev[cid].sense_data));
1743 scsicmd->scsi_done(scsicmd);
1748 static int query_disk(struct aac_dev *dev, void __user *arg)
1750 struct aac_query_disk qd;
1751 struct fsa_dev_info *fsa_dev_ptr;
1753 fsa_dev_ptr = dev->fsa_dev;
1754 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
1757 qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun);
1758 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1760 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
1762 qd.instance = dev->scsi_host_ptr->host_no;
1764 qd.id = CONTAINER_TO_ID(qd.cnum);
1765 qd.lun = CONTAINER_TO_LUN(qd.cnum);
1767 else return -EINVAL;
1769 qd.valid = fsa_dev_ptr[qd.cnum].valid;
1770 qd.locked = fsa_dev_ptr[qd.cnum].locked;
1771 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
1773 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
1778 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
1779 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
1781 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
1786 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
1788 struct aac_delete_disk dd;
1789 struct fsa_dev_info *fsa_dev_ptr;
1791 fsa_dev_ptr = dev->fsa_dev;
1793 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1796 if (dd.cnum >= dev->maximum_num_containers)
1799 * Mark this container as being deleted.
1801 fsa_dev_ptr[dd.cnum].deleted = 1;
1803 * Mark the container as no longer valid
1805 fsa_dev_ptr[dd.cnum].valid = 0;
1809 static int delete_disk(struct aac_dev *dev, void __user *arg)
1811 struct aac_delete_disk dd;
1812 struct fsa_dev_info *fsa_dev_ptr;
1814 fsa_dev_ptr = dev->fsa_dev;
1816 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1819 if (dd.cnum >= dev->maximum_num_containers)
1822 * If the container is locked, it can not be deleted by the API.
1824 if (fsa_dev_ptr[dd.cnum].locked)
1828 * Mark the container as no longer being valid.
1830 fsa_dev_ptr[dd.cnum].valid = 0;
1831 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
1836 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
1839 case FSACTL_QUERY_DISK:
1840 return query_disk(dev, arg);
1841 case FSACTL_DELETE_DISK:
1842 return delete_disk(dev, arg);
1843 case FSACTL_FORCE_DELETE_DISK:
1844 return force_delete_disk(dev, arg);
1845 case FSACTL_GET_CONTAINERS:
1846 return aac_get_containers(dev);
1855 * @context: the context set in the fib - here it is scsi cmd
1856 * @fibptr: pointer to the fib
1858 * Handles the completion of a scsi command to a non dasd device
1862 static void aac_srb_callback(void *context, struct fib * fibptr)
1864 struct aac_dev *dev;
1865 struct aac_srb_reply *srbreply;
1866 struct scsi_cmnd *scsicmd;
1868 scsicmd = (struct scsi_cmnd *) context;
1869 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1874 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
1876 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
1878 * Calculate resid for sg
1881 scsicmd->resid = scsicmd->request_bufflen -
1882 le32_to_cpu(srbreply->data_xfer_length);
1885 pci_unmap_sg(dev->pdev,
1886 (struct scatterlist *)scsicmd->buffer,
1888 scsicmd->sc_data_direction);
1889 else if(scsicmd->request_bufflen)
1890 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
1891 scsicmd->sc_data_direction);
1894 * First check the fib status
1897 if (le32_to_cpu(srbreply->status) != ST_OK){
1899 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
1900 len = (le32_to_cpu(srbreply->sense_data_size) >
1901 sizeof(scsicmd->sense_buffer)) ?
1902 sizeof(scsicmd->sense_buffer) :
1903 le32_to_cpu(srbreply->sense_data_size);
1904 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1905 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1909 * Next check the srb status
1911 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
1912 case SRB_STATUS_ERROR_RECOVERY:
1913 case SRB_STATUS_PENDING:
1914 case SRB_STATUS_SUCCESS:
1915 if(scsicmd->cmnd[0] == INQUIRY ){
1918 /* We can't expose disk devices because we can't tell whether they
1919 * are the raw container drives or stand alone drives. If they have
1920 * the removable bit set then we should expose them though.
1922 b = (*(u8*)scsicmd->buffer)&0x1f;
1923 b1 = ((u8*)scsicmd->buffer)[1];
1924 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1925 || (b==TYPE_DISK && (b1&0x80)) ){
1926 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1928 * We will allow disk devices if in RAID/SCSI mode and
1931 } else if ((dev->raid_scsi_mode) &&
1932 (scsicmd->device->channel == 2)) {
1933 scsicmd->result = DID_OK << 16 |
1934 COMMAND_COMPLETE << 8;
1936 scsicmd->result = DID_NO_CONNECT << 16 |
1937 COMMAND_COMPLETE << 8;
1940 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1943 case SRB_STATUS_DATA_OVERRUN:
1944 switch(scsicmd->cmnd[0]){
1953 if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
1954 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
1956 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
1958 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1963 /* We can't expose disk devices because we can't tell whether they
1964 * are the raw container drives or stand alone drives
1966 b = (*(u8*)scsicmd->buffer)&0x0f;
1967 b1 = ((u8*)scsicmd->buffer)[1];
1968 if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1969 || (b==TYPE_DISK && (b1&0x80)) ){
1970 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1972 * We will allow disk devices if in RAID/SCSI mode and
1975 } else if ((dev->raid_scsi_mode) &&
1976 (scsicmd->device->channel == 2)) {
1977 scsicmd->result = DID_OK << 16 |
1978 COMMAND_COMPLETE << 8;
1980 scsicmd->result = DID_NO_CONNECT << 16 |
1981 COMMAND_COMPLETE << 8;
1986 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1990 case SRB_STATUS_ABORTED:
1991 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
1993 case SRB_STATUS_ABORT_FAILED:
1994 // Not sure about this one - but assuming the hba was trying to abort for some reason
1995 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
1997 case SRB_STATUS_PARITY_ERROR:
1998 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2000 case SRB_STATUS_NO_DEVICE:
2001 case SRB_STATUS_INVALID_PATH_ID:
2002 case SRB_STATUS_INVALID_TARGET_ID:
2003 case SRB_STATUS_INVALID_LUN:
2004 case SRB_STATUS_SELECTION_TIMEOUT:
2005 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2008 case SRB_STATUS_COMMAND_TIMEOUT:
2009 case SRB_STATUS_TIMEOUT:
2010 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2013 case SRB_STATUS_BUSY:
2014 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2017 case SRB_STATUS_BUS_RESET:
2018 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2021 case SRB_STATUS_MESSAGE_REJECTED:
2022 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2024 case SRB_STATUS_REQUEST_FLUSHED:
2025 case SRB_STATUS_ERROR:
2026 case SRB_STATUS_INVALID_REQUEST:
2027 case SRB_STATUS_REQUEST_SENSE_FAILED:
2028 case SRB_STATUS_NO_HBA:
2029 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2030 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2031 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2032 case SRB_STATUS_DELAYED_RETRY:
2033 case SRB_STATUS_BAD_FUNCTION:
2034 case SRB_STATUS_NOT_STARTED:
2035 case SRB_STATUS_NOT_IN_USE:
2036 case SRB_STATUS_FORCE_ABORT:
2037 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2039 #ifdef AAC_DETAILED_STATUS_INFO
2040 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2041 le32_to_cpu(srbreply->srb_status) & 0x3F,
2042 aac_get_status_string(
2043 le32_to_cpu(srbreply->srb_status) & 0x3F),
2045 le32_to_cpu(srbreply->scsi_status));
2047 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2050 if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
2052 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2053 len = (le32_to_cpu(srbreply->sense_data_size) >
2054 sizeof(scsicmd->sense_buffer)) ?
2055 sizeof(scsicmd->sense_buffer) :
2056 le32_to_cpu(srbreply->sense_data_size);
2057 #ifdef AAC_DETAILED_STATUS_INFO
2058 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2059 le32_to_cpu(srbreply->status), len);
2061 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2065 * OR in the scsi status (already shifted up a bit)
2067 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2069 fib_complete(fibptr);
2071 aac_io_done(scsicmd);
2077 * @scsicmd: the scsi command block
2079 * This routine will form a FIB and fill in the aac_srb from the
2080 * scsicmd passed in.
2083 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2085 struct fib* cmd_fibcontext;
2086 struct aac_dev* dev;
2088 struct aac_srb *srbcmd;
2093 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2094 if (scsicmd->device->id >= dev->maximum_num_physicals ||
2095 scsicmd->device->lun > 7) {
2096 scsicmd->result = DID_NO_CONNECT << 16;
2097 scsicmd->scsi_done(scsicmd);
2101 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2102 switch(scsicmd->sc_data_direction){
2106 case DMA_BIDIRECTIONAL:
2107 flag = SRB_DataIn | SRB_DataOut;
2109 case DMA_FROM_DEVICE:
2113 default: /* shuts up some versions of gcc */
2114 flag = SRB_NoDataXfer;
2120 * Allocate and initialize a Fib then setup a BlockWrite command
2122 if (!(cmd_fibcontext = fib_alloc(dev))) {
2125 fib_init(cmd_fibcontext);
2127 srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
2128 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
2129 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel));
2130 srbcmd->id = cpu_to_le32(scsicmd->device->id);
2131 srbcmd->lun = cpu_to_le32(scsicmd->device->lun);
2132 srbcmd->flags = cpu_to_le32(flag);
2133 timeout = scsicmd->timeout_per_command/HZ;
2137 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
2138 srbcmd->retry_limit = 0; /* Obsolete parameter */
2139 srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
2141 if( dev->dac_support == 1 ) {
2142 aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
2143 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2145 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2146 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2148 * Build Scatter/Gather list
2150 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
2151 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
2152 sizeof (struct sgentry64));
2153 BUG_ON (fibsize > (dev->max_fib_size -
2154 sizeof(struct aac_fibhdr)));
2157 * Now send the Fib to the adapter
2159 status = fib_send(ScsiPortCommand64, cmd_fibcontext,
2160 fibsize, FsaNormal, 0, 1,
2161 (fib_callback) aac_srb_callback,
2164 aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
2165 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2167 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2168 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2170 * Build Scatter/Gather list
2172 fibsize = sizeof (struct aac_srb) +
2173 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
2174 sizeof (struct sgentry));
2175 BUG_ON (fibsize > (dev->max_fib_size -
2176 sizeof(struct aac_fibhdr)));
2179 * Now send the Fib to the adapter
2181 status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
2182 (fib_callback) aac_srb_callback, (void *) scsicmd);
2185 * Check that the command queued to the controller
2187 if (status == -EINPROGRESS){
2191 printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status);
2192 fib_complete(cmd_fibcontext);
2193 fib_free(cmd_fibcontext);
2198 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2200 struct aac_dev *dev;
2201 unsigned long byte_count = 0;
2203 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2204 // Get rid of old data
2206 psg->sg[0].addr = 0;
2207 psg->sg[0].count = 0;
2208 if (scsicmd->use_sg) {
2209 struct scatterlist *sg;
2212 sg = (struct scatterlist *) scsicmd->request_buffer;
2214 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2215 scsicmd->sc_data_direction);
2216 psg->count = cpu_to_le32(sg_count);
2220 for (i = 0; i < sg_count; i++) {
2221 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2222 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2223 byte_count += sg_dma_len(sg);
2226 /* hba wants the size to be exact */
2227 if(byte_count > scsicmd->request_bufflen){
2228 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2229 (byte_count - scsicmd->request_bufflen);
2230 psg->sg[i-1].count = cpu_to_le32(temp);
2231 byte_count = scsicmd->request_bufflen;
2233 /* Check for command underflow */
2234 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2235 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2236 byte_count, scsicmd->underflow);
2239 else if(scsicmd->request_bufflen) {
2241 addr = pci_map_single(dev->pdev,
2242 scsicmd->request_buffer,
2243 scsicmd->request_bufflen,
2244 scsicmd->sc_data_direction);
2245 psg->count = cpu_to_le32(1);
2246 psg->sg[0].addr = cpu_to_le32(addr);
2247 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2248 scsicmd->SCp.dma_handle = addr;
2249 byte_count = scsicmd->request_bufflen;
2255 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2257 struct aac_dev *dev;
2258 unsigned long byte_count = 0;
2261 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2262 // Get rid of old data
2264 psg->sg[0].addr[0] = 0;
2265 psg->sg[0].addr[1] = 0;
2266 psg->sg[0].count = 0;
2267 if (scsicmd->use_sg) {
2268 struct scatterlist *sg;
2271 sg = (struct scatterlist *) scsicmd->request_buffer;
2273 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2274 scsicmd->sc_data_direction);
2275 psg->count = cpu_to_le32(sg_count);
2279 for (i = 0; i < sg_count; i++) {
2280 addr = sg_dma_address(sg);
2281 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2282 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2283 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2284 byte_count += sg_dma_len(sg);
2287 /* hba wants the size to be exact */
2288 if(byte_count > scsicmd->request_bufflen){
2289 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2290 (byte_count - scsicmd->request_bufflen);
2291 psg->sg[i-1].count = cpu_to_le32(temp);
2292 byte_count = scsicmd->request_bufflen;
2294 /* Check for command underflow */
2295 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2296 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2297 byte_count, scsicmd->underflow);
2300 else if(scsicmd->request_bufflen) {
2302 addr = pci_map_single(dev->pdev,
2303 scsicmd->request_buffer,
2304 scsicmd->request_bufflen,
2305 scsicmd->sc_data_direction);
2306 psg->count = cpu_to_le32(1);
2307 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2308 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2309 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2310 scsicmd->SCp.dma_handle = addr;
2311 byte_count = scsicmd->request_bufflen;
2316 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2318 struct Scsi_Host *host = scsicmd->device->host;
2319 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2320 unsigned long byte_count = 0;
2322 // Get rid of old data
2324 psg->sg[0].next = 0;
2325 psg->sg[0].prev = 0;
2326 psg->sg[0].addr[0] = 0;
2327 psg->sg[0].addr[1] = 0;
2328 psg->sg[0].count = 0;
2329 psg->sg[0].flags = 0;
2330 if (scsicmd->use_sg) {
2331 struct scatterlist *sg;
2334 sg = (struct scatterlist *) scsicmd->request_buffer;
2336 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2337 scsicmd->sc_data_direction);
2339 for (i = 0; i < sg_count; i++) {
2340 int count = sg_dma_len(sg);
2341 u64 addr = sg_dma_address(sg);
2342 psg->sg[i].next = 0;
2343 psg->sg[i].prev = 0;
2344 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2345 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2346 psg->sg[i].count = cpu_to_le32(count);
2347 psg->sg[i].flags = 0;
2348 byte_count += count;
2351 psg->count = cpu_to_le32(sg_count);
2352 /* hba wants the size to be exact */
2353 if(byte_count > scsicmd->request_bufflen){
2354 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2355 (byte_count - scsicmd->request_bufflen);
2356 psg->sg[i-1].count = cpu_to_le32(temp);
2357 byte_count = scsicmd->request_bufflen;
2359 /* Check for command underflow */
2360 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2361 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2362 byte_count, scsicmd->underflow);
2365 else if(scsicmd->request_bufflen) {
2368 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2369 scsicmd->request_buffer,
2370 scsicmd->request_bufflen,
2371 scsicmd->sc_data_direction);
2372 addr = scsicmd->SCp.dma_handle;
2373 count = scsicmd->request_bufflen;
2374 psg->count = cpu_to_le32(1);
2375 psg->sg[0].next = 0;
2376 psg->sg[0].prev = 0;
2377 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2378 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2379 psg->sg[0].count = cpu_to_le32(count);
2380 psg->sg[0].flags = 0;
2381 byte_count = scsicmd->request_bufflen;
2386 #ifdef AAC_DETAILED_STATUS_INFO
2388 struct aac_srb_status_info {
2394 static struct aac_srb_status_info srb_status_info[] = {
2395 { SRB_STATUS_PENDING, "Pending Status"},
2396 { SRB_STATUS_SUCCESS, "Success"},
2397 { SRB_STATUS_ABORTED, "Aborted Command"},
2398 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2399 { SRB_STATUS_ERROR, "Error Event"},
2400 { SRB_STATUS_BUSY, "Device Busy"},
2401 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2402 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2403 { SRB_STATUS_NO_DEVICE, "No Device"},
2404 { SRB_STATUS_TIMEOUT, "Timeout"},
2405 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2406 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2407 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2408 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2409 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2410 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2411 { SRB_STATUS_NO_HBA, "No HBA"},
2412 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2413 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2414 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2415 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2416 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2417 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2418 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2419 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2420 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2421 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2422 { SRB_STATUS_NOT_STARTED, "Not Started"},
2423 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2424 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2425 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2426 { 0xff, "Unknown Error"}
2429 char *aac_get_status_string(u32 status)
2433 for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
2434 if(srb_status_info[i].status == status){
2435 return srb_status_info[i].str;
2439 return "Bad Status Code";