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1da177e4 LT |
1 | /* |
2 | * Adaptec AAC series RAID controller driver | |
3 | * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> | |
4 | * | |
5 | * based on the old aacraid driver that is.. | |
6 | * Adaptec aacraid device driver for Linux. | |
7 | * | |
8 | * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) | |
9 | * | |
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) | |
13 | * any later version. | |
14 | * | |
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. | |
19 | * | |
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. | |
23 | * | |
24 | */ | |
25 | ||
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> | |
37 | ||
38 | #include <scsi/scsi.h> | |
39 | #include <scsi/scsi_cmnd.h> | |
40 | #include <scsi/scsi_device.h> | |
41 | #include <scsi/scsi_host.h> | |
42 | ||
43 | #include "aacraid.h" | |
44 | ||
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 */ | |
52 | ||
53 | #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ | |
54 | #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ | |
55 | ||
1da177e4 LT |
56 | /* |
57 | * Sense codes | |
58 | */ | |
59 | ||
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 | |
81 | ||
82 | /* | |
83 | * Additional sense codes | |
84 | */ | |
85 | ||
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 | |
107 | ||
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) | |
112 | ||
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 */ | |
128 | }; | |
129 | ||
130 | /* | |
131 | * M O D U L E G L O B A L S | |
132 | */ | |
133 | ||
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); | |
0e68c003 | 136 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); |
1da177e4 LT |
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); | |
140 | #endif | |
141 | ||
142 | /* | |
143 | * Non dasd selection is handled entirely in aachba now | |
144 | */ | |
145 | ||
146 | static int nondasd = -1; | |
147 | static int dacmode = -1; | |
148 | ||
149 | static int commit = -1; | |
150 | ||
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"); | |
157 | ||
7c00ffa3 MH |
158 | int numacb = -1; |
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."); | |
161 | ||
162 | int acbsize = -1; | |
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."); | |
1da177e4 LT |
165 | /** |
166 | * aac_get_config_status - check the adapter configuration | |
167 | * @common: adapter to query | |
168 | * | |
169 | * Query config status, and commit the configuration if needed. | |
170 | */ | |
171 | int aac_get_config_status(struct aac_dev *dev) | |
172 | { | |
173 | int status = 0; | |
174 | struct fib * fibptr; | |
175 | ||
176 | if (!(fibptr = fib_alloc(dev))) | |
177 | return -ENOMEM; | |
178 | ||
179 | fib_init(fibptr); | |
180 | { | |
181 | struct aac_get_config_status *dinfo; | |
182 | dinfo = (struct aac_get_config_status *) fib_data(fibptr); | |
183 | ||
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)); | |
187 | } | |
188 | ||
189 | status = fib_send(ContainerCommand, | |
190 | fibptr, | |
191 | sizeof (struct aac_get_config_status), | |
192 | FsaNormal, | |
193 | 1, 1, | |
194 | NULL, NULL); | |
195 | if (status < 0 ) { | |
196 | printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); | |
197 | } else { | |
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"); | |
209 | status = -EINVAL; | |
210 | } | |
211 | } | |
212 | fib_complete(fibptr); | |
213 | /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ | |
214 | if (status >= 0) { | |
215 | if (commit == 1) { | |
216 | struct aac_commit_config * dinfo; | |
217 | fib_init(fibptr); | |
218 | dinfo = (struct aac_commit_config *) fib_data(fibptr); | |
219 | ||
220 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
221 | dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); | |
222 | ||
223 | status = fib_send(ContainerCommand, | |
224 | fibptr, | |
225 | sizeof (struct aac_commit_config), | |
226 | FsaNormal, | |
227 | 1, 1, | |
228 | NULL, NULL); | |
229 | fib_complete(fibptr); | |
230 | } else if (commit == 0) { | |
231 | printk(KERN_WARNING | |
232 | "aac_get_config_status: Foreign device configurations are being ignored\n"); | |
233 | } | |
234 | } | |
235 | fib_free(fibptr); | |
236 | return status; | |
237 | } | |
238 | ||
239 | /** | |
240 | * aac_get_containers - list containers | |
241 | * @common: adapter to probe | |
242 | * | |
243 | * Make a list of all containers on this controller | |
244 | */ | |
245 | int aac_get_containers(struct aac_dev *dev) | |
246 | { | |
247 | struct fsa_dev_info *fsa_dev_ptr; | |
248 | u32 index; | |
249 | int status = 0; | |
250 | struct fib * fibptr; | |
251 | unsigned instance; | |
252 | struct aac_get_container_count *dinfo; | |
253 | struct aac_get_container_count_resp *dresp; | |
254 | int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
255 | ||
256 | instance = dev->scsi_host_ptr->unique_id; | |
257 | ||
258 | if (!(fibptr = fib_alloc(dev))) | |
259 | return -ENOMEM; | |
260 | ||
261 | fib_init(fibptr); | |
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); | |
265 | ||
266 | status = fib_send(ContainerCommand, | |
267 | fibptr, | |
268 | sizeof (struct aac_get_container_count), | |
269 | FsaNormal, | |
270 | 1, 1, | |
271 | NULL, NULL); | |
272 | if (status >= 0) { | |
273 | dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); | |
274 | maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); | |
275 | fib_complete(fibptr); | |
276 | } | |
277 | ||
278 | if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) | |
279 | maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
1da177e4 LT |
280 | fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( |
281 | sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); | |
282 | if (!fsa_dev_ptr) { | |
283 | fib_free(fibptr); | |
284 | return -ENOMEM; | |
285 | } | |
286 | memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); | |
287 | ||
288 | dev->fsa_dev = fsa_dev_ptr; | |
289 | dev->maximum_num_containers = maximum_num_containers; | |
290 | ||
291 | for (index = 0; index < dev->maximum_num_containers; index++) { | |
292 | struct aac_query_mount *dinfo; | |
293 | struct aac_mount *dresp; | |
294 | ||
295 | fsa_dev_ptr[index].devname[0] = '\0'; | |
296 | ||
297 | fib_init(fibptr); | |
298 | dinfo = (struct aac_query_mount *) fib_data(fibptr); | |
299 | ||
300 | dinfo->command = cpu_to_le32(VM_NameServe); | |
301 | dinfo->count = cpu_to_le32(index); | |
302 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
303 | ||
304 | status = fib_send(ContainerCommand, | |
305 | fibptr, | |
306 | sizeof (struct aac_query_mount), | |
307 | FsaNormal, | |
308 | 1, 1, | |
309 | NULL, NULL); | |
310 | if (status < 0 ) { | |
311 | printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); | |
312 | break; | |
313 | } | |
314 | dresp = (struct aac_mount *)fib_data(fibptr); | |
315 | ||
316 | dprintk ((KERN_DEBUG | |
317 | "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n", | |
318 | (int)index, (int)le32_to_cpu(dresp->status), | |
319 | (int)le32_to_cpu(dresp->mnt[0].vol), | |
320 | (int)le32_to_cpu(dresp->mnt[0].state), | |
321 | (unsigned)le32_to_cpu(dresp->mnt[0].capacity))); | |
322 | if ((le32_to_cpu(dresp->status) == ST_OK) && | |
323 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && | |
324 | (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { | |
325 | fsa_dev_ptr[index].valid = 1; | |
326 | fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); | |
327 | fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity); | |
328 | if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) | |
329 | fsa_dev_ptr[index].ro = 1; | |
330 | } | |
331 | fib_complete(fibptr); | |
332 | /* | |
333 | * If there are no more containers, then stop asking. | |
334 | */ | |
335 | if ((index + 1) >= le32_to_cpu(dresp->count)){ | |
336 | break; | |
337 | } | |
338 | } | |
339 | fib_free(fibptr); | |
340 | return status; | |
341 | } | |
342 | ||
343 | static void aac_io_done(struct scsi_cmnd * scsicmd) | |
344 | { | |
345 | unsigned long cpu_flags; | |
346 | struct Scsi_Host *host = scsicmd->device->host; | |
347 | spin_lock_irqsave(host->host_lock, cpu_flags); | |
348 | scsicmd->scsi_done(scsicmd); | |
349 | spin_unlock_irqrestore(host->host_lock, cpu_flags); | |
350 | } | |
351 | ||
3b2946cc MH |
352 | static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) |
353 | { | |
354 | void *buf; | |
355 | unsigned int transfer_len; | |
356 | struct scatterlist *sg = scsicmd->request_buffer; | |
357 | ||
358 | if (scsicmd->use_sg) { | |
359 | buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; | |
360 | transfer_len = min(sg->length, len + offset); | |
361 | } else { | |
362 | buf = scsicmd->request_buffer; | |
363 | transfer_len = min(scsicmd->request_bufflen, len + offset); | |
364 | } | |
365 | ||
366 | memcpy(buf + offset, data, transfer_len - offset); | |
367 | ||
368 | if (scsicmd->use_sg) | |
369 | kunmap_atomic(buf - sg->offset, KM_IRQ0); | |
370 | ||
371 | } | |
372 | ||
1da177e4 LT |
373 | static void get_container_name_callback(void *context, struct fib * fibptr) |
374 | { | |
375 | struct aac_get_name_resp * get_name_reply; | |
376 | struct scsi_cmnd * scsicmd; | |
377 | ||
378 | scsicmd = (struct scsi_cmnd *) context; | |
379 | ||
380 | dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); | |
381 | if (fibptr == NULL) | |
382 | BUG(); | |
383 | ||
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')) { | |
3b2946cc | 388 | char *sp = get_name_reply->data; |
1da177e4 LT |
389 | sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; |
390 | while (*sp == ' ') | |
391 | ++sp; | |
3b2946cc MH |
392 | if (*sp) { |
393 | char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; | |
394 | int count = sizeof(d); | |
395 | char *dp = d; | |
396 | do { | |
397 | *dp++ = (*sp) ? *sp++ : ' '; | |
398 | } while (--count > 0); | |
399 | aac_internal_transfer(scsicmd, d, | |
400 | offsetof(struct inquiry_data, inqd_pid), sizeof(d)); | |
401 | } | |
1da177e4 | 402 | } |
3b2946cc | 403 | |
1da177e4 LT |
404 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
405 | ||
406 | fib_complete(fibptr); | |
407 | fib_free(fibptr); | |
408 | aac_io_done(scsicmd); | |
409 | } | |
410 | ||
411 | /** | |
412 | * aac_get_container_name - get container name, none blocking. | |
413 | */ | |
414 | static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) | |
415 | { | |
416 | int status; | |
417 | struct aac_get_name *dinfo; | |
418 | struct fib * cmd_fibcontext; | |
419 | struct aac_dev * dev; | |
420 | ||
421 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
422 | ||
423 | if (!(cmd_fibcontext = fib_alloc(dev))) | |
424 | return -ENOMEM; | |
425 | ||
426 | fib_init(cmd_fibcontext); | |
427 | dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); | |
428 | ||
429 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
430 | dinfo->type = cpu_to_le32(CT_READ_NAME); | |
431 | dinfo->cid = cpu_to_le32(cid); | |
432 | dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); | |
433 | ||
434 | status = fib_send(ContainerCommand, | |
435 | cmd_fibcontext, | |
436 | sizeof (struct aac_get_name), | |
437 | FsaNormal, | |
438 | 0, 1, | |
439 | (fib_callback) get_container_name_callback, | |
440 | (void *) scsicmd); | |
441 | ||
442 | /* | |
443 | * Check that the command queued to the controller | |
444 | */ | |
445 | if (status == -EINPROGRESS) | |
446 | return 0; | |
447 | ||
448 | printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status); | |
449 | fib_complete(cmd_fibcontext); | |
450 | fib_free(cmd_fibcontext); | |
451 | return -1; | |
452 | } | |
453 | ||
454 | /** | |
455 | * probe_container - query a logical volume | |
456 | * @dev: device to query | |
457 | * @cid: container identifier | |
458 | * | |
459 | * Queries the controller about the given volume. The volume information | |
460 | * is updated in the struct fsa_dev_info structure rather than returned. | |
461 | */ | |
462 | ||
463 | static int probe_container(struct aac_dev *dev, int cid) | |
464 | { | |
465 | struct fsa_dev_info *fsa_dev_ptr; | |
466 | int status; | |
467 | struct aac_query_mount *dinfo; | |
468 | struct aac_mount *dresp; | |
469 | struct fib * fibptr; | |
470 | unsigned instance; | |
471 | ||
472 | fsa_dev_ptr = dev->fsa_dev; | |
473 | instance = dev->scsi_host_ptr->unique_id; | |
474 | ||
475 | if (!(fibptr = fib_alloc(dev))) | |
476 | return -ENOMEM; | |
477 | ||
478 | fib_init(fibptr); | |
479 | ||
480 | dinfo = (struct aac_query_mount *)fib_data(fibptr); | |
481 | ||
482 | dinfo->command = cpu_to_le32(VM_NameServe); | |
483 | dinfo->count = cpu_to_le32(cid); | |
484 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
485 | ||
486 | status = fib_send(ContainerCommand, | |
487 | fibptr, | |
488 | sizeof(struct aac_query_mount), | |
489 | FsaNormal, | |
490 | 1, 1, | |
491 | NULL, NULL); | |
492 | if (status < 0) { | |
7c00ffa3 | 493 | printk(KERN_WARNING "aacraid: probe_container query failed.\n"); |
1da177e4 LT |
494 | goto error; |
495 | } | |
496 | ||
497 | dresp = (struct aac_mount *) fib_data(fibptr); | |
498 | ||
499 | if ((le32_to_cpu(dresp->status) == ST_OK) && | |
500 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && | |
501 | (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { | |
502 | fsa_dev_ptr[cid].valid = 1; | |
503 | fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); | |
504 | fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity); | |
505 | if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) | |
506 | fsa_dev_ptr[cid].ro = 1; | |
507 | } | |
508 | ||
509 | error: | |
510 | fib_complete(fibptr); | |
511 | fib_free(fibptr); | |
512 | ||
513 | return status; | |
514 | } | |
515 | ||
516 | /* Local Structure to set SCSI inquiry data strings */ | |
517 | struct scsi_inq { | |
518 | char vid[8]; /* Vendor ID */ | |
519 | char pid[16]; /* Product ID */ | |
520 | char prl[4]; /* Product Revision Level */ | |
521 | }; | |
522 | ||
523 | /** | |
524 | * InqStrCopy - string merge | |
525 | * @a: string to copy from | |
526 | * @b: string to copy to | |
527 | * | |
528 | * Copy a String from one location to another | |
529 | * without copying \0 | |
530 | */ | |
531 | ||
532 | static void inqstrcpy(char *a, char *b) | |
533 | { | |
534 | ||
535 | while(*a != (char)0) | |
536 | *b++ = *a++; | |
537 | } | |
538 | ||
539 | static char *container_types[] = { | |
540 | "None", | |
541 | "Volume", | |
542 | "Mirror", | |
543 | "Stripe", | |
544 | "RAID5", | |
545 | "SSRW", | |
546 | "SSRO", | |
547 | "Morph", | |
548 | "Legacy", | |
549 | "RAID4", | |
550 | "RAID10", | |
551 | "RAID00", | |
552 | "V-MIRRORS", | |
553 | "PSEUDO R4", | |
554 | "RAID50", | |
84971738 MH |
555 | "RAID5D", |
556 | "RAID5D0", | |
557 | "RAID1E", | |
558 | "RAID6", | |
559 | "RAID60", | |
1da177e4 LT |
560 | "Unknown" |
561 | }; | |
562 | ||
563 | ||
564 | ||
565 | /* Function: setinqstr | |
566 | * | |
567 | * Arguments: [1] pointer to void [1] int | |
568 | * | |
569 | * Purpose: Sets SCSI inquiry data strings for vendor, product | |
570 | * and revision level. Allows strings to be set in platform dependant | |
571 | * files instead of in OS dependant driver source. | |
572 | */ | |
573 | ||
574 | static void setinqstr(int devtype, void *data, int tindex) | |
575 | { | |
576 | struct scsi_inq *str; | |
577 | struct aac_driver_ident *mp; | |
578 | ||
579 | mp = aac_get_driver_ident(devtype); | |
580 | ||
581 | str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ | |
582 | ||
583 | inqstrcpy (mp->vname, str->vid); | |
584 | inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */ | |
585 | ||
586 | if (tindex < (sizeof(container_types)/sizeof(char *))){ | |
587 | char *findit = str->pid; | |
588 | ||
589 | for ( ; *findit != ' '; findit++); /* walk till we find a space */ | |
590 | /* RAID is superfluous in the context of a RAID device */ | |
591 | if (memcmp(findit-4, "RAID", 4) == 0) | |
592 | *(findit -= 4) = ' '; | |
593 | inqstrcpy (container_types[tindex], findit + 1); | |
594 | } | |
595 | inqstrcpy ("V1.0", str->prl); | |
596 | } | |
597 | ||
4833869e AB |
598 | static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, |
599 | u8 a_sense_code, u8 incorrect_length, | |
600 | u8 bit_pointer, u16 field_pointer, | |
601 | u32 residue) | |
1da177e4 LT |
602 | { |
603 | sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ | |
604 | sense_buf[1] = 0; /* Segment number, always zero */ | |
605 | ||
606 | if (incorrect_length) { | |
607 | sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ | |
608 | sense_buf[3] = BYTE3(residue); | |
609 | sense_buf[4] = BYTE2(residue); | |
610 | sense_buf[5] = BYTE1(residue); | |
611 | sense_buf[6] = BYTE0(residue); | |
612 | } else | |
613 | sense_buf[2] = sense_key; /* Sense key */ | |
614 | ||
615 | if (sense_key == ILLEGAL_REQUEST) | |
616 | sense_buf[7] = 10; /* Additional sense length */ | |
617 | else | |
618 | sense_buf[7] = 6; /* Additional sense length */ | |
619 | ||
620 | sense_buf[12] = sense_code; /* Additional sense code */ | |
621 | sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ | |
622 | if (sense_key == ILLEGAL_REQUEST) { | |
623 | sense_buf[15] = 0; | |
624 | ||
625 | if (sense_code == SENCODE_INVALID_PARAM_FIELD) | |
626 | sense_buf[15] = 0x80;/* Std sense key specific field */ | |
627 | /* Illegal parameter is in the parameter block */ | |
628 | ||
629 | if (sense_code == SENCODE_INVALID_CDB_FIELD) | |
630 | sense_buf[15] = 0xc0;/* Std sense key specific field */ | |
631 | /* Illegal parameter is in the CDB block */ | |
632 | sense_buf[15] |= bit_pointer; | |
633 | sense_buf[16] = field_pointer >> 8; /* MSB */ | |
634 | sense_buf[17] = field_pointer; /* LSB */ | |
635 | } | |
636 | } | |
637 | ||
638 | int aac_get_adapter_info(struct aac_dev* dev) | |
639 | { | |
640 | struct fib* fibptr; | |
1da177e4 LT |
641 | int rcode; |
642 | u32 tmp; | |
84971738 MH |
643 | struct aac_adapter_info *info; |
644 | struct aac_bus_info *command; | |
645 | struct aac_bus_info_response *bus_info; | |
7c00ffa3 | 646 | |
1da177e4 LT |
647 | if (!(fibptr = fib_alloc(dev))) |
648 | return -ENOMEM; | |
649 | ||
650 | fib_init(fibptr); | |
7c00ffa3 MH |
651 | info = (struct aac_adapter_info *) fib_data(fibptr); |
652 | memset(info,0,sizeof(*info)); | |
1da177e4 LT |
653 | |
654 | rcode = fib_send(RequestAdapterInfo, | |
7c00ffa3 MH |
655 | fibptr, |
656 | sizeof(*info), | |
657 | FsaNormal, | |
658 | 1, 1, | |
659 | NULL, | |
660 | NULL); | |
661 | ||
662 | if (rcode < 0) { | |
663 | fib_complete(fibptr); | |
664 | fib_free(fibptr); | |
665 | return rcode; | |
666 | } | |
667 | memcpy(&dev->adapter_info, info, sizeof(*info)); | |
1da177e4 | 668 | |
7c00ffa3 MH |
669 | if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { |
670 | struct aac_supplement_adapter_info * info; | |
671 | ||
672 | fib_init(fibptr); | |
673 | ||
674 | info = (struct aac_supplement_adapter_info *) fib_data(fibptr); | |
675 | ||
676 | memset(info,0,sizeof(*info)); | |
677 | ||
678 | rcode = fib_send(RequestSupplementAdapterInfo, | |
679 | fibptr, | |
680 | sizeof(*info), | |
681 | FsaNormal, | |
682 | 1, 1, | |
683 | NULL, | |
684 | NULL); | |
685 | ||
686 | if (rcode >= 0) | |
687 | memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); | |
688 | } | |
1da177e4 | 689 | |
84971738 MH |
690 | |
691 | /* | |
692 | * GetBusInfo | |
693 | */ | |
694 | ||
695 | fib_init(fibptr); | |
696 | ||
697 | bus_info = (struct aac_bus_info_response *) fib_data(fibptr); | |
698 | ||
699 | memset(bus_info, 0, sizeof(*bus_info)); | |
700 | ||
701 | command = (struct aac_bus_info *)bus_info; | |
702 | ||
703 | command->Command = cpu_to_le32(VM_Ioctl); | |
704 | command->ObjType = cpu_to_le32(FT_DRIVE); | |
705 | command->MethodId = cpu_to_le32(1); | |
706 | command->CtlCmd = cpu_to_le32(GetBusInfo); | |
707 | ||
708 | rcode = fib_send(ContainerCommand, | |
709 | fibptr, | |
710 | sizeof (*bus_info), | |
711 | FsaNormal, | |
712 | 1, 1, | |
713 | NULL, NULL); | |
714 | ||
715 | if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { | |
716 | dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); | |
717 | dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); | |
718 | } | |
719 | ||
1da177e4 | 720 | tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
7c00ffa3 | 721 | printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", |
1da177e4 LT |
722 | dev->name, |
723 | dev->id, | |
724 | tmp>>24, | |
725 | (tmp>>16)&0xff, | |
726 | tmp&0xff, | |
7c00ffa3 MH |
727 | le32_to_cpu(dev->adapter_info.kernelbuild), |
728 | (int)sizeof(dev->supplement_adapter_info.BuildDate), | |
729 | dev->supplement_adapter_info.BuildDate); | |
1da177e4 LT |
730 | tmp = le32_to_cpu(dev->adapter_info.monitorrev); |
731 | printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", | |
732 | dev->name, dev->id, | |
733 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
734 | le32_to_cpu(dev->adapter_info.monitorbuild)); | |
735 | tmp = le32_to_cpu(dev->adapter_info.biosrev); | |
736 | printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", | |
737 | dev->name, dev->id, | |
738 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
739 | le32_to_cpu(dev->adapter_info.biosbuild)); | |
740 | if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) | |
741 | printk(KERN_INFO "%s%d: serial %x\n", | |
742 | dev->name, dev->id, | |
743 | le32_to_cpu(dev->adapter_info.serial[0])); | |
744 | ||
745 | dev->nondasd_support = 0; | |
746 | dev->raid_scsi_mode = 0; | |
747 | if(dev->adapter_info.options & AAC_OPT_NONDASD){ | |
748 | dev->nondasd_support = 1; | |
749 | } | |
750 | ||
751 | /* | |
752 | * If the firmware supports ROMB RAID/SCSI mode and we are currently | |
753 | * in RAID/SCSI mode, set the flag. For now if in this mode we will | |
754 | * force nondasd support on. If we decide to allow the non-dasd flag | |
755 | * additional changes changes will have to be made to support | |
756 | * RAID/SCSI. the function aac_scsi_cmd in this module will have to be | |
757 | * changed to support the new dev->raid_scsi_mode flag instead of | |
758 | * leaching off of the dev->nondasd_support flag. Also in linit.c the | |
759 | * function aac_detect will have to be modified where it sets up the | |
760 | * max number of channels based on the aac->nondasd_support flag only. | |
761 | */ | |
762 | if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && | |
763 | (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { | |
764 | dev->nondasd_support = 1; | |
765 | dev->raid_scsi_mode = 1; | |
766 | } | |
767 | if (dev->raid_scsi_mode != 0) | |
768 | printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", | |
769 | dev->name, dev->id); | |
770 | ||
771 | if(nondasd != -1) { | |
772 | dev->nondasd_support = (nondasd!=0); | |
773 | } | |
774 | if(dev->nondasd_support != 0){ | |
775 | printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); | |
776 | } | |
777 | ||
778 | dev->dac_support = 0; | |
779 | if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ | |
780 | printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); | |
781 | dev->dac_support = 1; | |
782 | } | |
783 | ||
784 | if(dacmode != -1) { | |
785 | dev->dac_support = (dacmode!=0); | |
786 | } | |
787 | if(dev->dac_support != 0) { | |
71e0f32f JB |
788 | if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && |
789 | !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { | |
1da177e4 LT |
790 | printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", |
791 | dev->name, dev->id); | |
71e0f32f JB |
792 | } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && |
793 | !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { | |
1da177e4 LT |
794 | printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", |
795 | dev->name, dev->id); | |
796 | dev->dac_support = 0; | |
797 | } else { | |
798 | printk(KERN_WARNING"%s%d: No suitable DMA available.\n", | |
799 | dev->name, dev->id); | |
800 | rcode = -ENOMEM; | |
801 | } | |
802 | } | |
7c00ffa3 MH |
803 | /* |
804 | * 57 scatter gather elements | |
805 | */ | |
0e68c003 MH |
806 | if (!(dev->raw_io_interface)) { |
807 | dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - | |
7c00ffa3 | 808 | sizeof(struct aac_fibhdr) - |
0e68c003 MH |
809 | sizeof(struct aac_write) + sizeof(struct sgmap)) / |
810 | sizeof(struct sgmap); | |
811 | if (dev->dac_support) { | |
812 | /* | |
813 | * 38 scatter gather elements | |
814 | */ | |
815 | dev->scsi_host_ptr->sg_tablesize = | |
816 | (dev->max_fib_size - | |
817 | sizeof(struct aac_fibhdr) - | |
818 | sizeof(struct aac_write64) + | |
819 | sizeof(struct sgmap64)) / | |
820 | sizeof(struct sgmap64); | |
821 | } | |
822 | dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; | |
823 | if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { | |
824 | /* | |
825 | * Worst case size that could cause sg overflow when | |
826 | * we break up SG elements that are larger than 64KB. | |
827 | * Would be nice if we could tell the SCSI layer what | |
828 | * the maximum SG element size can be. Worst case is | |
829 | * (sg_tablesize-1) 4KB elements with one 64KB | |
830 | * element. | |
831 | * 32bit -> 468 or 238KB 64bit -> 424 or 212KB | |
832 | */ | |
833 | dev->scsi_host_ptr->max_sectors = | |
834 | (dev->scsi_host_ptr->sg_tablesize * 8) + 112; | |
835 | } | |
7c00ffa3 | 836 | } |
1da177e4 LT |
837 | |
838 | fib_complete(fibptr); | |
839 | fib_free(fibptr); | |
840 | ||
841 | return rcode; | |
842 | } | |
843 | ||
844 | ||
e53cb35a | 845 | static void io_callback(void *context, struct fib * fibptr) |
1da177e4 LT |
846 | { |
847 | struct aac_dev *dev; | |
848 | struct aac_read_reply *readreply; | |
849 | struct scsi_cmnd *scsicmd; | |
1da177e4 LT |
850 | u32 cid; |
851 | ||
852 | scsicmd = (struct scsi_cmnd *) context; | |
853 | ||
854 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
855 | cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); | |
856 | ||
e53cb35a | 857 | dprintk((KERN_DEBUG "io_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3], jiffies)); |
1da177e4 LT |
858 | |
859 | if (fibptr == NULL) | |
860 | BUG(); | |
861 | ||
862 | if(scsicmd->use_sg) | |
863 | pci_unmap_sg(dev->pdev, | |
864 | (struct scatterlist *)scsicmd->buffer, | |
865 | scsicmd->use_sg, | |
866 | scsicmd->sc_data_direction); | |
867 | else if(scsicmd->request_bufflen) | |
868 | pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, | |
869 | scsicmd->request_bufflen, | |
870 | scsicmd->sc_data_direction); | |
871 | readreply = (struct aac_read_reply *)fib_data(fibptr); | |
872 | if (le32_to_cpu(readreply->status) == ST_OK) | |
873 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
874 | else { | |
7c00ffa3 | 875 | #ifdef AAC_DETAILED_STATUS_INFO |
e53cb35a | 876 | printk(KERN_WARNING "io_callback: io failed, status = %d\n", |
7c00ffa3 MH |
877 | le32_to_cpu(readreply->status)); |
878 | #endif | |
1da177e4 LT |
879 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
880 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
881 | HARDWARE_ERROR, | |
882 | SENCODE_INTERNAL_TARGET_FAILURE, | |
883 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
884 | 0, 0); | |
885 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
886 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
887 | ? sizeof(scsicmd->sense_buffer) | |
888 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
889 | } | |
890 | fib_complete(fibptr); | |
891 | fib_free(fibptr); | |
892 | ||
893 | aac_io_done(scsicmd); | |
894 | } | |
895 | ||
4833869e | 896 | static int aac_read(struct scsi_cmnd * scsicmd, int cid) |
1da177e4 LT |
897 | { |
898 | u32 lba; | |
899 | u32 count; | |
900 | int status; | |
901 | ||
902 | u16 fibsize; | |
903 | struct aac_dev *dev; | |
904 | struct fib * cmd_fibcontext; | |
905 | ||
906 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
907 | /* | |
908 | * Get block address and transfer length | |
909 | */ | |
910 | if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ | |
911 | { | |
912 | dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); | |
913 | ||
914 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
915 | count = scsicmd->cmnd[4]; | |
916 | ||
917 | if (count == 0) | |
918 | count = 256; | |
919 | } else { | |
920 | dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); | |
921 | ||
922 | lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
923 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; | |
924 | } | |
7c00ffa3 MH |
925 | dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", |
926 | smp_processor_id(), (unsigned long long)lba, jiffies)); | |
1da177e4 LT |
927 | /* |
928 | * Alocate and initialize a Fib | |
929 | */ | |
930 | if (!(cmd_fibcontext = fib_alloc(dev))) { | |
931 | return -1; | |
932 | } | |
933 | ||
934 | fib_init(cmd_fibcontext); | |
935 | ||
0e68c003 MH |
936 | if (dev->raw_io_interface) { |
937 | struct aac_raw_io *readcmd; | |
938 | readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); | |
939 | readcmd->block[0] = cpu_to_le32(lba); | |
940 | readcmd->block[1] = 0; | |
941 | readcmd->count = cpu_to_le32(count<<9); | |
942 | readcmd->cid = cpu_to_le16(cid); | |
943 | readcmd->flags = cpu_to_le16(1); | |
944 | readcmd->bpTotal = 0; | |
945 | readcmd->bpComplete = 0; | |
946 | ||
947 | aac_build_sgraw(scsicmd, &readcmd->sg); | |
948 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
949 | if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) | |
950 | BUG(); | |
951 | /* | |
952 | * Now send the Fib to the adapter | |
953 | */ | |
954 | status = fib_send(ContainerRawIo, | |
955 | cmd_fibcontext, | |
956 | fibsize, | |
957 | FsaNormal, | |
958 | 0, 1, | |
959 | (fib_callback) io_callback, | |
960 | (void *) scsicmd); | |
961 | } else if (dev->dac_support == 1) { | |
1da177e4 LT |
962 | struct aac_read64 *readcmd; |
963 | readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); | |
964 | readcmd->command = cpu_to_le32(VM_CtHostRead64); | |
965 | readcmd->cid = cpu_to_le16(cid); | |
966 | readcmd->sector_count = cpu_to_le16(count); | |
967 | readcmd->block = cpu_to_le32(lba); | |
968 | readcmd->pad = 0; | |
969 | readcmd->flags = 0; | |
970 | ||
971 | aac_build_sg64(scsicmd, &readcmd->sg); | |
972 | fibsize = sizeof(struct aac_read64) + | |
973 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
974 | sizeof (struct sgentry64)); | |
77d71d22 | 975 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
976 | sizeof(struct aac_fibhdr))); |
977 | /* | |
978 | * Now send the Fib to the adapter | |
979 | */ | |
980 | status = fib_send(ContainerCommand64, | |
981 | cmd_fibcontext, | |
982 | fibsize, | |
983 | FsaNormal, | |
984 | 0, 1, | |
e53cb35a | 985 | (fib_callback) io_callback, |
1da177e4 LT |
986 | (void *) scsicmd); |
987 | } else { | |
988 | struct aac_read *readcmd; | |
989 | readcmd = (struct aac_read *) fib_data(cmd_fibcontext); | |
990 | readcmd->command = cpu_to_le32(VM_CtBlockRead); | |
991 | readcmd->cid = cpu_to_le32(cid); | |
992 | readcmd->block = cpu_to_le32(lba); | |
993 | readcmd->count = cpu_to_le32(count * 512); | |
994 | ||
1da177e4 LT |
995 | aac_build_sg(scsicmd, &readcmd->sg); |
996 | fibsize = sizeof(struct aac_read) + | |
997 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
998 | sizeof (struct sgentry)); | |
7c00ffa3 | 999 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1000 | sizeof(struct aac_fibhdr))); |
1001 | /* | |
1002 | * Now send the Fib to the adapter | |
1003 | */ | |
1004 | status = fib_send(ContainerCommand, | |
1005 | cmd_fibcontext, | |
1006 | fibsize, | |
1007 | FsaNormal, | |
1008 | 0, 1, | |
e53cb35a | 1009 | (fib_callback) io_callback, |
1da177e4 LT |
1010 | (void *) scsicmd); |
1011 | } | |
1012 | ||
1013 | ||
1014 | ||
1015 | /* | |
1016 | * Check that the command queued to the controller | |
1017 | */ | |
1018 | if (status == -EINPROGRESS) | |
1019 | return 0; | |
1020 | ||
1021 | printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); | |
1022 | /* | |
1023 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1024 | */ | |
1025 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
1026 | aac_io_done(scsicmd); | |
1027 | fib_complete(cmd_fibcontext); | |
1028 | fib_free(cmd_fibcontext); | |
1029 | return 0; | |
1030 | } | |
1031 | ||
1032 | static int aac_write(struct scsi_cmnd * scsicmd, int cid) | |
1033 | { | |
1034 | u32 lba; | |
1035 | u32 count; | |
1036 | int status; | |
1037 | u16 fibsize; | |
1038 | struct aac_dev *dev; | |
1039 | struct fib * cmd_fibcontext; | |
1040 | ||
1041 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1042 | /* | |
1043 | * Get block address and transfer length | |
1044 | */ | |
1045 | if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ | |
1046 | { | |
1047 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1048 | count = scsicmd->cmnd[4]; | |
1049 | if (count == 0) | |
1050 | count = 256; | |
1051 | } else { | |
1052 | dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); | |
1053 | lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1054 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; | |
1055 | } | |
1056 | dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", | |
1057 | smp_processor_id(), (unsigned long long)lba, jiffies)); | |
1058 | /* | |
1059 | * Allocate and initialize a Fib then setup a BlockWrite command | |
1060 | */ | |
1061 | if (!(cmd_fibcontext = fib_alloc(dev))) { | |
1062 | scsicmd->result = DID_ERROR << 16; | |
1063 | aac_io_done(scsicmd); | |
1064 | return 0; | |
1065 | } | |
1066 | fib_init(cmd_fibcontext); | |
1067 | ||
0e68c003 MH |
1068 | if (dev->raw_io_interface) { |
1069 | struct aac_raw_io *writecmd; | |
1070 | writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); | |
1071 | writecmd->block[0] = cpu_to_le32(lba); | |
1072 | writecmd->block[1] = 0; | |
1073 | writecmd->count = cpu_to_le32(count<<9); | |
1074 | writecmd->cid = cpu_to_le16(cid); | |
1075 | writecmd->flags = 0; | |
1076 | writecmd->bpTotal = 0; | |
1077 | writecmd->bpComplete = 0; | |
1078 | ||
1079 | aac_build_sgraw(scsicmd, &writecmd->sg); | |
1080 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
1081 | if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) | |
1082 | BUG(); | |
1083 | /* | |
1084 | * Now send the Fib to the adapter | |
1085 | */ | |
1086 | status = fib_send(ContainerRawIo, | |
1087 | cmd_fibcontext, | |
1088 | fibsize, | |
1089 | FsaNormal, | |
1090 | 0, 1, | |
1091 | (fib_callback) io_callback, | |
1092 | (void *) scsicmd); | |
1093 | } else if (dev->dac_support == 1) { | |
1da177e4 LT |
1094 | struct aac_write64 *writecmd; |
1095 | writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); | |
1096 | writecmd->command = cpu_to_le32(VM_CtHostWrite64); | |
1097 | writecmd->cid = cpu_to_le16(cid); | |
1098 | writecmd->sector_count = cpu_to_le16(count); | |
1099 | writecmd->block = cpu_to_le32(lba); | |
1100 | writecmd->pad = 0; | |
1101 | writecmd->flags = 0; | |
1102 | ||
1103 | aac_build_sg64(scsicmd, &writecmd->sg); | |
1104 | fibsize = sizeof(struct aac_write64) + | |
1105 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1106 | sizeof (struct sgentry64)); | |
7c00ffa3 | 1107 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1108 | sizeof(struct aac_fibhdr))); |
1109 | /* | |
1110 | * Now send the Fib to the adapter | |
1111 | */ | |
1112 | status = fib_send(ContainerCommand64, | |
1113 | cmd_fibcontext, | |
1114 | fibsize, | |
1115 | FsaNormal, | |
1116 | 0, 1, | |
e53cb35a | 1117 | (fib_callback) io_callback, |
1da177e4 LT |
1118 | (void *) scsicmd); |
1119 | } else { | |
1120 | struct aac_write *writecmd; | |
1121 | writecmd = (struct aac_write *) fib_data(cmd_fibcontext); | |
1122 | writecmd->command = cpu_to_le32(VM_CtBlockWrite); | |
1123 | writecmd->cid = cpu_to_le32(cid); | |
1124 | writecmd->block = cpu_to_le32(lba); | |
1125 | writecmd->count = cpu_to_le32(count * 512); | |
1126 | writecmd->sg.count = cpu_to_le32(1); | |
1127 | /* ->stable is not used - it did mean which type of write */ | |
1128 | ||
1da177e4 LT |
1129 | aac_build_sg(scsicmd, &writecmd->sg); |
1130 | fibsize = sizeof(struct aac_write) + | |
1131 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1132 | sizeof (struct sgentry)); | |
7c00ffa3 | 1133 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1134 | sizeof(struct aac_fibhdr))); |
1135 | /* | |
1136 | * Now send the Fib to the adapter | |
1137 | */ | |
1138 | status = fib_send(ContainerCommand, | |
1139 | cmd_fibcontext, | |
1140 | fibsize, | |
1141 | FsaNormal, | |
1142 | 0, 1, | |
e53cb35a | 1143 | (fib_callback) io_callback, |
1da177e4 LT |
1144 | (void *) scsicmd); |
1145 | } | |
1146 | ||
1147 | /* | |
1148 | * Check that the command queued to the controller | |
1149 | */ | |
1150 | if (status == -EINPROGRESS) | |
1151 | { | |
1da177e4 LT |
1152 | return 0; |
1153 | } | |
1154 | ||
1155 | printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); | |
1156 | /* | |
1157 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1158 | */ | |
1159 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
1160 | aac_io_done(scsicmd); | |
1161 | ||
1162 | fib_complete(cmd_fibcontext); | |
1163 | fib_free(cmd_fibcontext); | |
1164 | return 0; | |
1165 | } | |
1166 | ||
1167 | static void synchronize_callback(void *context, struct fib *fibptr) | |
1168 | { | |
1169 | struct aac_synchronize_reply *synchronizereply; | |
1170 | struct scsi_cmnd *cmd; | |
1171 | ||
1172 | cmd = context; | |
1173 | ||
1174 | dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", | |
1175 | smp_processor_id(), jiffies)); | |
1176 | BUG_ON(fibptr == NULL); | |
1177 | ||
1178 | ||
1179 | synchronizereply = fib_data(fibptr); | |
1180 | if (le32_to_cpu(synchronizereply->status) == CT_OK) | |
1181 | cmd->result = DID_OK << 16 | | |
1182 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1183 | else { | |
1184 | struct scsi_device *sdev = cmd->device; | |
1185 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; | |
1186 | u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); | |
1187 | printk(KERN_WARNING | |
1188 | "synchronize_callback: synchronize failed, status = %d\n", | |
1189 | le32_to_cpu(synchronizereply->status)); | |
1190 | cmd->result = DID_OK << 16 | | |
1191 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1192 | set_sense((u8 *)&dev->fsa_dev[cid].sense_data, | |
1193 | HARDWARE_ERROR, | |
1194 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1195 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1196 | 0, 0); | |
1197 | memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1198 | min(sizeof(dev->fsa_dev[cid].sense_data), | |
1199 | sizeof(cmd->sense_buffer))); | |
1200 | } | |
1201 | ||
1202 | fib_complete(fibptr); | |
1203 | fib_free(fibptr); | |
1204 | aac_io_done(cmd); | |
1205 | } | |
1206 | ||
1207 | static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) | |
1208 | { | |
1209 | int status; | |
1210 | struct fib *cmd_fibcontext; | |
1211 | struct aac_synchronize *synchronizecmd; | |
1212 | struct scsi_cmnd *cmd; | |
1213 | struct scsi_device *sdev = scsicmd->device; | |
1214 | int active = 0; | |
1215 | unsigned long flags; | |
1216 | ||
1217 | /* | |
1218 | * Wait for all commands to complete to this specific | |
1219 | * target (block). | |
1220 | */ | |
1221 | spin_lock_irqsave(&sdev->list_lock, flags); | |
1222 | list_for_each_entry(cmd, &sdev->cmd_list, list) | |
1223 | if (cmd != scsicmd && cmd->serial_number != 0) { | |
1224 | ++active; | |
1225 | break; | |
1226 | } | |
1227 | ||
1228 | spin_unlock_irqrestore(&sdev->list_lock, flags); | |
1229 | ||
1230 | /* | |
1231 | * Yield the processor (requeue for later) | |
1232 | */ | |
1233 | if (active) | |
1234 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
1235 | ||
1236 | /* | |
7c00ffa3 | 1237 | * Allocate and initialize a Fib |
1da177e4 LT |
1238 | */ |
1239 | if (!(cmd_fibcontext = | |
1240 | fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) | |
1241 | return SCSI_MLQUEUE_HOST_BUSY; | |
1242 | ||
1243 | fib_init(cmd_fibcontext); | |
1244 | ||
1245 | synchronizecmd = fib_data(cmd_fibcontext); | |
1246 | synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); | |
1247 | synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); | |
1248 | synchronizecmd->cid = cpu_to_le32(cid); | |
1249 | synchronizecmd->count = | |
1250 | cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); | |
1251 | ||
1252 | /* | |
1253 | * Now send the Fib to the adapter | |
1254 | */ | |
1255 | status = fib_send(ContainerCommand, | |
1256 | cmd_fibcontext, | |
1257 | sizeof(struct aac_synchronize), | |
1258 | FsaNormal, | |
1259 | 0, 1, | |
1260 | (fib_callback)synchronize_callback, | |
1261 | (void *)scsicmd); | |
1262 | ||
1263 | /* | |
1264 | * Check that the command queued to the controller | |
1265 | */ | |
1266 | if (status == -EINPROGRESS) | |
1267 | return 0; | |
1268 | ||
1269 | printk(KERN_WARNING | |
1270 | "aac_synchronize: fib_send failed with status: %d.\n", status); | |
1271 | fib_complete(cmd_fibcontext); | |
1272 | fib_free(cmd_fibcontext); | |
1273 | return SCSI_MLQUEUE_HOST_BUSY; | |
1274 | } | |
1275 | ||
1276 | /** | |
1277 | * aac_scsi_cmd() - Process SCSI command | |
1278 | * @scsicmd: SCSI command block | |
1279 | * | |
1280 | * Emulate a SCSI command and queue the required request for the | |
1281 | * aacraid firmware. | |
1282 | */ | |
1283 | ||
1284 | int aac_scsi_cmd(struct scsi_cmnd * scsicmd) | |
1285 | { | |
1286 | u32 cid = 0; | |
1287 | struct Scsi_Host *host = scsicmd->device->host; | |
1288 | struct aac_dev *dev = (struct aac_dev *)host->hostdata; | |
1289 | struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; | |
1290 | int cardtype = dev->cardtype; | |
1291 | int ret; | |
1292 | ||
1293 | /* | |
1294 | * If the bus, id or lun is out of range, return fail | |
1295 | * Test does not apply to ID 16, the pseudo id for the controller | |
1296 | * itself. | |
1297 | */ | |
1298 | if (scsicmd->device->id != host->this_id) { | |
1299 | if ((scsicmd->device->channel == 0) ){ | |
1300 | if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ | |
1301 | scsicmd->result = DID_NO_CONNECT << 16; | |
1302 | scsicmd->scsi_done(scsicmd); | |
1303 | return 0; | |
1304 | } | |
1305 | cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); | |
1306 | ||
1307 | /* | |
1308 | * If the target container doesn't exist, it may have | |
1309 | * been newly created | |
1310 | */ | |
1311 | if ((fsa_dev_ptr[cid].valid & 1) == 0) { | |
1312 | switch (scsicmd->cmnd[0]) { | |
1313 | case INQUIRY: | |
1314 | case READ_CAPACITY: | |
1315 | case TEST_UNIT_READY: | |
1316 | spin_unlock_irq(host->host_lock); | |
1317 | probe_container(dev, cid); | |
1318 | spin_lock_irq(host->host_lock); | |
1319 | if (fsa_dev_ptr[cid].valid == 0) { | |
1320 | scsicmd->result = DID_NO_CONNECT << 16; | |
1321 | scsicmd->scsi_done(scsicmd); | |
1322 | return 0; | |
1323 | } | |
1324 | default: | |
1325 | break; | |
1326 | } | |
1327 | } | |
1328 | /* | |
1329 | * If the target container still doesn't exist, | |
1330 | * return failure | |
1331 | */ | |
1332 | if (fsa_dev_ptr[cid].valid == 0) { | |
1333 | scsicmd->result = DID_BAD_TARGET << 16; | |
1334 | scsicmd->scsi_done(scsicmd); | |
1335 | return 0; | |
1336 | } | |
1337 | } else { /* check for physical non-dasd devices */ | |
1338 | if(dev->nondasd_support == 1){ | |
1339 | return aac_send_srb_fib(scsicmd); | |
1340 | } else { | |
1341 | scsicmd->result = DID_NO_CONNECT << 16; | |
1342 | scsicmd->scsi_done(scsicmd); | |
1343 | return 0; | |
1344 | } | |
1345 | } | |
1346 | } | |
1347 | /* | |
1348 | * else Command for the controller itself | |
1349 | */ | |
1350 | else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ | |
1351 | (scsicmd->cmnd[0] != TEST_UNIT_READY)) | |
1352 | { | |
1353 | dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); | |
1354 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1355 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1356 | ILLEGAL_REQUEST, | |
1357 | SENCODE_INVALID_COMMAND, | |
1358 | ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); | |
1359 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1360 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1361 | ? sizeof(scsicmd->sense_buffer) | |
1362 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1363 | scsicmd->scsi_done(scsicmd); | |
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | ||
1368 | /* Handle commands here that don't really require going out to the adapter */ | |
1369 | switch (scsicmd->cmnd[0]) { | |
1370 | case INQUIRY: | |
1371 | { | |
3b2946cc | 1372 | struct inquiry_data inq_data; |
1da177e4 LT |
1373 | |
1374 | dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); | |
3b2946cc | 1375 | memset(&inq_data, 0, sizeof (struct inquiry_data)); |
1da177e4 | 1376 | |
3b2946cc MH |
1377 | inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ |
1378 | inq_data.inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ | |
1379 | 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 */ | |
1380 | inq_data.inqd_len = 31; | |
1da177e4 | 1381 | /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ |
3b2946cc | 1382 | inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ |
1da177e4 LT |
1383 | /* |
1384 | * Set the Vendor, Product, and Revision Level | |
1385 | * see: <vendor>.c i.e. aac.c | |
1386 | */ | |
1387 | if (scsicmd->device->id == host->this_id) { | |
3b2946cc MH |
1388 | setinqstr(cardtype, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *))); |
1389 | inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ | |
1390 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
1da177e4 LT |
1391 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1392 | scsicmd->scsi_done(scsicmd); | |
1393 | return 0; | |
1394 | } | |
3b2946cc MH |
1395 | setinqstr(cardtype, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); |
1396 | inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ | |
1397 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
1da177e4 LT |
1398 | return aac_get_container_name(scsicmd, cid); |
1399 | } | |
1400 | case READ_CAPACITY: | |
1401 | { | |
1402 | u32 capacity; | |
3b2946cc | 1403 | char cp[8]; |
1da177e4 LT |
1404 | |
1405 | dprintk((KERN_DEBUG "READ CAPACITY command.\n")); | |
1406 | if (fsa_dev_ptr[cid].size <= 0x100000000LL) | |
1407 | capacity = fsa_dev_ptr[cid].size - 1; | |
1408 | else | |
1409 | capacity = (u32)-1; | |
3b2946cc | 1410 | |
1da177e4 LT |
1411 | cp[0] = (capacity >> 24) & 0xff; |
1412 | cp[1] = (capacity >> 16) & 0xff; | |
1413 | cp[2] = (capacity >> 8) & 0xff; | |
1414 | cp[3] = (capacity >> 0) & 0xff; | |
1415 | cp[4] = 0; | |
1416 | cp[5] = 0; | |
1417 | cp[6] = 2; | |
1418 | cp[7] = 0; | |
3b2946cc | 1419 | aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); |
1da177e4 LT |
1420 | |
1421 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1422 | scsicmd->scsi_done(scsicmd); | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
1427 | case MODE_SENSE: | |
1428 | { | |
3b2946cc | 1429 | char mode_buf[4]; |
1da177e4 LT |
1430 | |
1431 | dprintk((KERN_DEBUG "MODE SENSE command.\n")); | |
1da177e4 LT |
1432 | mode_buf[0] = 3; /* Mode data length */ |
1433 | mode_buf[1] = 0; /* Medium type - default */ | |
1434 | mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ | |
1435 | mode_buf[3] = 0; /* Block descriptor length */ | |
1436 | ||
3b2946cc | 1437 | aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); |
1da177e4 LT |
1438 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1439 | scsicmd->scsi_done(scsicmd); | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | case MODE_SENSE_10: | |
1444 | { | |
3b2946cc | 1445 | char mode_buf[8]; |
1da177e4 LT |
1446 | |
1447 | dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); | |
1da177e4 LT |
1448 | mode_buf[0] = 0; /* Mode data length (MSB) */ |
1449 | mode_buf[1] = 6; /* Mode data length (LSB) */ | |
1450 | mode_buf[2] = 0; /* Medium type - default */ | |
1451 | mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ | |
1452 | mode_buf[4] = 0; /* reserved */ | |
1453 | mode_buf[5] = 0; /* reserved */ | |
1454 | mode_buf[6] = 0; /* Block descriptor length (MSB) */ | |
1455 | mode_buf[7] = 0; /* Block descriptor length (LSB) */ | |
3b2946cc | 1456 | aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); |
1da177e4 LT |
1457 | |
1458 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1459 | scsicmd->scsi_done(scsicmd); | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | case REQUEST_SENSE: | |
1464 | dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); | |
1465 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); | |
1466 | memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); | |
1467 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1468 | scsicmd->scsi_done(scsicmd); | |
1469 | return 0; | |
1470 | ||
1471 | case ALLOW_MEDIUM_REMOVAL: | |
1472 | dprintk((KERN_DEBUG "LOCK command.\n")); | |
1473 | if (scsicmd->cmnd[4]) | |
1474 | fsa_dev_ptr[cid].locked = 1; | |
1475 | else | |
1476 | fsa_dev_ptr[cid].locked = 0; | |
1477 | ||
1478 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1479 | scsicmd->scsi_done(scsicmd); | |
1480 | return 0; | |
1481 | /* | |
1482 | * These commands are all No-Ops | |
1483 | */ | |
1484 | case TEST_UNIT_READY: | |
1485 | case RESERVE: | |
1486 | case RELEASE: | |
1487 | case REZERO_UNIT: | |
1488 | case REASSIGN_BLOCKS: | |
1489 | case SEEK_10: | |
1490 | case START_STOP: | |
1491 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1492 | scsicmd->scsi_done(scsicmd); | |
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | switch (scsicmd->cmnd[0]) | |
1497 | { | |
1498 | case READ_6: | |
1499 | case READ_10: | |
1500 | /* | |
1501 | * Hack to keep track of ordinal number of the device that | |
1502 | * corresponds to a container. Needed to convert | |
1503 | * containers to /dev/sd device names | |
1504 | */ | |
1505 | ||
1506 | spin_unlock_irq(host->host_lock); | |
1507 | if (scsicmd->request->rq_disk) | |
1508 | memcpy(fsa_dev_ptr[cid].devname, | |
1509 | scsicmd->request->rq_disk->disk_name, | |
1510 | 8); | |
1511 | ||
1512 | ret = aac_read(scsicmd, cid); | |
1513 | spin_lock_irq(host->host_lock); | |
1514 | return ret; | |
1515 | ||
1516 | case WRITE_6: | |
1517 | case WRITE_10: | |
1518 | spin_unlock_irq(host->host_lock); | |
1519 | ret = aac_write(scsicmd, cid); | |
1520 | spin_lock_irq(host->host_lock); | |
1521 | return ret; | |
1522 | ||
1523 | case SYNCHRONIZE_CACHE: | |
1524 | /* Issue FIB to tell Firmware to flush it's cache */ | |
1525 | return aac_synchronize(scsicmd, cid); | |
1526 | ||
1527 | default: | |
1528 | /* | |
1529 | * Unhandled commands | |
1530 | */ | |
7c00ffa3 | 1531 | dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); |
1da177e4 LT |
1532 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
1533 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1534 | ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, | |
1535 | ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); | |
1536 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1537 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1538 | ? sizeof(scsicmd->sense_buffer) | |
1539 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1540 | scsicmd->scsi_done(scsicmd); | |
1541 | return 0; | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | static int query_disk(struct aac_dev *dev, void __user *arg) | |
1546 | { | |
1547 | struct aac_query_disk qd; | |
1548 | struct fsa_dev_info *fsa_dev_ptr; | |
1549 | ||
1550 | fsa_dev_ptr = dev->fsa_dev; | |
1551 | if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) | |
1552 | return -EFAULT; | |
1553 | if (qd.cnum == -1) | |
1554 | qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); | |
1555 | else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) | |
1556 | { | |
1557 | if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) | |
1558 | return -EINVAL; | |
1559 | qd.instance = dev->scsi_host_ptr->host_no; | |
1560 | qd.bus = 0; | |
1561 | qd.id = CONTAINER_TO_ID(qd.cnum); | |
1562 | qd.lun = CONTAINER_TO_LUN(qd.cnum); | |
1563 | } | |
1564 | else return -EINVAL; | |
1565 | ||
1566 | qd.valid = fsa_dev_ptr[qd.cnum].valid; | |
1567 | qd.locked = fsa_dev_ptr[qd.cnum].locked; | |
1568 | qd.deleted = fsa_dev_ptr[qd.cnum].deleted; | |
1569 | ||
1570 | if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') | |
1571 | qd.unmapped = 1; | |
1572 | else | |
1573 | qd.unmapped = 0; | |
1574 | ||
1575 | strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, | |
1576 | min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); | |
1577 | ||
1578 | if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) | |
1579 | return -EFAULT; | |
1580 | return 0; | |
1581 | } | |
1582 | ||
1583 | static int force_delete_disk(struct aac_dev *dev, void __user *arg) | |
1584 | { | |
1585 | struct aac_delete_disk dd; | |
1586 | struct fsa_dev_info *fsa_dev_ptr; | |
1587 | ||
1588 | fsa_dev_ptr = dev->fsa_dev; | |
1589 | ||
1590 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
1591 | return -EFAULT; | |
1592 | ||
1593 | if (dd.cnum >= dev->maximum_num_containers) | |
1594 | return -EINVAL; | |
1595 | /* | |
1596 | * Mark this container as being deleted. | |
1597 | */ | |
1598 | fsa_dev_ptr[dd.cnum].deleted = 1; | |
1599 | /* | |
1600 | * Mark the container as no longer valid | |
1601 | */ | |
1602 | fsa_dev_ptr[dd.cnum].valid = 0; | |
1603 | return 0; | |
1604 | } | |
1605 | ||
1606 | static int delete_disk(struct aac_dev *dev, void __user *arg) | |
1607 | { | |
1608 | struct aac_delete_disk dd; | |
1609 | struct fsa_dev_info *fsa_dev_ptr; | |
1610 | ||
1611 | fsa_dev_ptr = dev->fsa_dev; | |
1612 | ||
1613 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
1614 | return -EFAULT; | |
1615 | ||
1616 | if (dd.cnum >= dev->maximum_num_containers) | |
1617 | return -EINVAL; | |
1618 | /* | |
1619 | * If the container is locked, it can not be deleted by the API. | |
1620 | */ | |
1621 | if (fsa_dev_ptr[dd.cnum].locked) | |
1622 | return -EBUSY; | |
1623 | else { | |
1624 | /* | |
1625 | * Mark the container as no longer being valid. | |
1626 | */ | |
1627 | fsa_dev_ptr[dd.cnum].valid = 0; | |
1628 | fsa_dev_ptr[dd.cnum].devname[0] = '\0'; | |
1629 | return 0; | |
1630 | } | |
1631 | } | |
1632 | ||
1633 | int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) | |
1634 | { | |
1635 | switch (cmd) { | |
1636 | case FSACTL_QUERY_DISK: | |
1637 | return query_disk(dev, arg); | |
1638 | case FSACTL_DELETE_DISK: | |
1639 | return delete_disk(dev, arg); | |
1640 | case FSACTL_FORCE_DELETE_DISK: | |
1641 | return force_delete_disk(dev, arg); | |
1642 | case FSACTL_GET_CONTAINERS: | |
1643 | return aac_get_containers(dev); | |
1644 | default: | |
1645 | return -ENOTTY; | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | /** | |
1650 | * | |
1651 | * aac_srb_callback | |
1652 | * @context: the context set in the fib - here it is scsi cmd | |
1653 | * @fibptr: pointer to the fib | |
1654 | * | |
1655 | * Handles the completion of a scsi command to a non dasd device | |
1656 | * | |
1657 | */ | |
1658 | ||
1659 | static void aac_srb_callback(void *context, struct fib * fibptr) | |
1660 | { | |
1661 | struct aac_dev *dev; | |
1662 | struct aac_srb_reply *srbreply; | |
1663 | struct scsi_cmnd *scsicmd; | |
1664 | ||
1665 | scsicmd = (struct scsi_cmnd *) context; | |
1666 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1667 | ||
1668 | if (fibptr == NULL) | |
1669 | BUG(); | |
1670 | ||
1671 | srbreply = (struct aac_srb_reply *) fib_data(fibptr); | |
1672 | ||
1673 | scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ | |
1674 | /* | |
1675 | * Calculate resid for sg | |
1676 | */ | |
1677 | ||
1678 | scsicmd->resid = scsicmd->request_bufflen - | |
1679 | le32_to_cpu(srbreply->data_xfer_length); | |
1680 | ||
1681 | if(scsicmd->use_sg) | |
1682 | pci_unmap_sg(dev->pdev, | |
1683 | (struct scatterlist *)scsicmd->buffer, | |
1684 | scsicmd->use_sg, | |
1685 | scsicmd->sc_data_direction); | |
1686 | else if(scsicmd->request_bufflen) | |
1687 | pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, | |
1688 | scsicmd->sc_data_direction); | |
1689 | ||
1690 | /* | |
1691 | * First check the fib status | |
1692 | */ | |
1693 | ||
1694 | if (le32_to_cpu(srbreply->status) != ST_OK){ | |
1695 | int len; | |
1696 | printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); | |
1697 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
1698 | sizeof(scsicmd->sense_buffer)) ? | |
1699 | sizeof(scsicmd->sense_buffer) : | |
1700 | le32_to_cpu(srbreply->sense_data_size); | |
1701 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1702 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
1703 | } | |
1704 | ||
1705 | /* | |
1706 | * Next check the srb status | |
1707 | */ | |
1708 | switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ | |
1709 | case SRB_STATUS_ERROR_RECOVERY: | |
1710 | case SRB_STATUS_PENDING: | |
1711 | case SRB_STATUS_SUCCESS: | |
1712 | if(scsicmd->cmnd[0] == INQUIRY ){ | |
1713 | u8 b; | |
1714 | u8 b1; | |
1715 | /* We can't expose disk devices because we can't tell whether they | |
1716 | * are the raw container drives or stand alone drives. If they have | |
1717 | * the removable bit set then we should expose them though. | |
1718 | */ | |
1719 | b = (*(u8*)scsicmd->buffer)&0x1f; | |
1720 | b1 = ((u8*)scsicmd->buffer)[1]; | |
1721 | if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER | |
1722 | || (b==TYPE_DISK && (b1&0x80)) ){ | |
1723 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
1724 | /* | |
1725 | * We will allow disk devices if in RAID/SCSI mode and | |
1726 | * the channel is 2 | |
1727 | */ | |
1728 | } else if ((dev->raid_scsi_mode) && | |
1729 | (scsicmd->device->channel == 2)) { | |
1730 | scsicmd->result = DID_OK << 16 | | |
1731 | COMMAND_COMPLETE << 8; | |
1732 | } else { | |
1733 | scsicmd->result = DID_NO_CONNECT << 16 | | |
1734 | COMMAND_COMPLETE << 8; | |
1735 | } | |
1736 | } else { | |
1737 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
1738 | } | |
1739 | break; | |
1740 | case SRB_STATUS_DATA_OVERRUN: | |
1741 | switch(scsicmd->cmnd[0]){ | |
1742 | case READ_6: | |
1743 | case WRITE_6: | |
1744 | case READ_10: | |
1745 | case WRITE_10: | |
1746 | case READ_12: | |
1747 | case WRITE_12: | |
1748 | if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { | |
1749 | printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); | |
1750 | } else { | |
1751 | printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); | |
1752 | } | |
1753 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
1754 | break; | |
1755 | case INQUIRY: { | |
1756 | u8 b; | |
1757 | u8 b1; | |
1758 | /* We can't expose disk devices because we can't tell whether they | |
1759 | * are the raw container drives or stand alone drives | |
1760 | */ | |
1761 | b = (*(u8*)scsicmd->buffer)&0x0f; | |
1762 | b1 = ((u8*)scsicmd->buffer)[1]; | |
1763 | if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER | |
1764 | || (b==TYPE_DISK && (b1&0x80)) ){ | |
1765 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
1766 | /* | |
1767 | * We will allow disk devices if in RAID/SCSI mode and | |
1768 | * the channel is 2 | |
1769 | */ | |
1770 | } else if ((dev->raid_scsi_mode) && | |
1771 | (scsicmd->device->channel == 2)) { | |
1772 | scsicmd->result = DID_OK << 16 | | |
1773 | COMMAND_COMPLETE << 8; | |
1774 | } else { | |
1775 | scsicmd->result = DID_NO_CONNECT << 16 | | |
1776 | COMMAND_COMPLETE << 8; | |
1777 | } | |
1778 | break; | |
1779 | } | |
1780 | default: | |
1781 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
1782 | break; | |
1783 | } | |
1784 | break; | |
1785 | case SRB_STATUS_ABORTED: | |
1786 | scsicmd->result = DID_ABORT << 16 | ABORT << 8; | |
1787 | break; | |
1788 | case SRB_STATUS_ABORT_FAILED: | |
1789 | // Not sure about this one - but assuming the hba was trying to abort for some reason | |
1790 | scsicmd->result = DID_ERROR << 16 | ABORT << 8; | |
1791 | break; | |
1792 | case SRB_STATUS_PARITY_ERROR: | |
1793 | scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; | |
1794 | break; | |
1795 | case SRB_STATUS_NO_DEVICE: | |
1796 | case SRB_STATUS_INVALID_PATH_ID: | |
1797 | case SRB_STATUS_INVALID_TARGET_ID: | |
1798 | case SRB_STATUS_INVALID_LUN: | |
1799 | case SRB_STATUS_SELECTION_TIMEOUT: | |
1800 | scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; | |
1801 | break; | |
1802 | ||
1803 | case SRB_STATUS_COMMAND_TIMEOUT: | |
1804 | case SRB_STATUS_TIMEOUT: | |
1805 | scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; | |
1806 | break; | |
1807 | ||
1808 | case SRB_STATUS_BUSY: | |
1809 | scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; | |
1810 | break; | |
1811 | ||
1812 | case SRB_STATUS_BUS_RESET: | |
1813 | scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; | |
1814 | break; | |
1815 | ||
1816 | case SRB_STATUS_MESSAGE_REJECTED: | |
1817 | scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; | |
1818 | break; | |
1819 | case SRB_STATUS_REQUEST_FLUSHED: | |
1820 | case SRB_STATUS_ERROR: | |
1821 | case SRB_STATUS_INVALID_REQUEST: | |
1822 | case SRB_STATUS_REQUEST_SENSE_FAILED: | |
1823 | case SRB_STATUS_NO_HBA: | |
1824 | case SRB_STATUS_UNEXPECTED_BUS_FREE: | |
1825 | case SRB_STATUS_PHASE_SEQUENCE_FAILURE: | |
1826 | case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: | |
1827 | case SRB_STATUS_DELAYED_RETRY: | |
1828 | case SRB_STATUS_BAD_FUNCTION: | |
1829 | case SRB_STATUS_NOT_STARTED: | |
1830 | case SRB_STATUS_NOT_IN_USE: | |
1831 | case SRB_STATUS_FORCE_ABORT: | |
1832 | case SRB_STATUS_DOMAIN_VALIDATION_FAIL: | |
1833 | default: | |
1834 | #ifdef AAC_DETAILED_STATUS_INFO | |
1835 | printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", | |
1836 | le32_to_cpu(srbreply->srb_status) & 0x3F, | |
1837 | aac_get_status_string( | |
1838 | le32_to_cpu(srbreply->srb_status) & 0x3F), | |
1839 | scsicmd->cmnd[0], | |
1840 | le32_to_cpu(srbreply->scsi_status)); | |
1841 | #endif | |
1842 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
1843 | break; | |
1844 | } | |
1845 | if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition | |
1846 | int len; | |
1847 | scsicmd->result |= SAM_STAT_CHECK_CONDITION; | |
1848 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
1849 | sizeof(scsicmd->sense_buffer)) ? | |
1850 | sizeof(scsicmd->sense_buffer) : | |
1851 | le32_to_cpu(srbreply->sense_data_size); | |
1852 | #ifdef AAC_DETAILED_STATUS_INFO | |
1853 | dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", | |
1854 | le32_to_cpu(srbreply->status), len)); | |
1855 | #endif | |
1856 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
1857 | ||
1858 | } | |
1859 | /* | |
1860 | * OR in the scsi status (already shifted up a bit) | |
1861 | */ | |
1862 | scsicmd->result |= le32_to_cpu(srbreply->scsi_status); | |
1863 | ||
1864 | fib_complete(fibptr); | |
1865 | fib_free(fibptr); | |
1866 | aac_io_done(scsicmd); | |
1867 | } | |
1868 | ||
1869 | /** | |
1870 | * | |
1871 | * aac_send_scb_fib | |
1872 | * @scsicmd: the scsi command block | |
1873 | * | |
1874 | * This routine will form a FIB and fill in the aac_srb from the | |
1875 | * scsicmd passed in. | |
1876 | */ | |
1877 | ||
1878 | static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) | |
1879 | { | |
1880 | struct fib* cmd_fibcontext; | |
1881 | struct aac_dev* dev; | |
1882 | int status; | |
1883 | struct aac_srb *srbcmd; | |
1884 | u16 fibsize; | |
1885 | u32 flag; | |
1886 | u32 timeout; | |
1887 | ||
84971738 MH |
1888 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
1889 | if (scsicmd->device->id >= dev->maximum_num_physicals || | |
1890 | scsicmd->device->lun > 7) { | |
1da177e4 LT |
1891 | scsicmd->result = DID_NO_CONNECT << 16; |
1892 | scsicmd->scsi_done(scsicmd); | |
1893 | return 0; | |
1894 | } | |
1895 | ||
1896 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1897 | switch(scsicmd->sc_data_direction){ | |
1898 | case DMA_TO_DEVICE: | |
1899 | flag = SRB_DataOut; | |
1900 | break; | |
1901 | case DMA_BIDIRECTIONAL: | |
1902 | flag = SRB_DataIn | SRB_DataOut; | |
1903 | break; | |
1904 | case DMA_FROM_DEVICE: | |
1905 | flag = SRB_DataIn; | |
1906 | break; | |
1907 | case DMA_NONE: | |
1908 | default: /* shuts up some versions of gcc */ | |
1909 | flag = SRB_NoDataXfer; | |
1910 | break; | |
1911 | } | |
1912 | ||
1913 | ||
1914 | /* | |
1915 | * Allocate and initialize a Fib then setup a BlockWrite command | |
1916 | */ | |
1917 | if (!(cmd_fibcontext = fib_alloc(dev))) { | |
1918 | return -1; | |
1919 | } | |
1920 | fib_init(cmd_fibcontext); | |
1921 | ||
1922 | srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); | |
1923 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); | |
1924 | srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); | |
1925 | srbcmd->id = cpu_to_le32(scsicmd->device->id); | |
1926 | srbcmd->lun = cpu_to_le32(scsicmd->device->lun); | |
1927 | srbcmd->flags = cpu_to_le32(flag); | |
5262d085 | 1928 | timeout = scsicmd->timeout_per_command/HZ; |
1da177e4 LT |
1929 | if(timeout == 0){ |
1930 | timeout = 1; | |
1931 | } | |
1932 | srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds | |
1933 | srbcmd->retry_limit = 0; /* Obsolete parameter */ | |
1934 | srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); | |
1935 | ||
1936 | if( dev->dac_support == 1 ) { | |
1937 | aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); | |
1938 | srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); | |
1939 | ||
1940 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
1941 | memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); | |
1942 | /* | |
1943 | * Build Scatter/Gather list | |
1944 | */ | |
1945 | fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + | |
1946 | ((le32_to_cpu(srbcmd->sg.count) & 0xff) * | |
1947 | sizeof (struct sgentry64)); | |
7c00ffa3 | 1948 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1949 | sizeof(struct aac_fibhdr))); |
1950 | ||
1951 | /* | |
1952 | * Now send the Fib to the adapter | |
1953 | */ | |
1954 | status = fib_send(ScsiPortCommand64, cmd_fibcontext, | |
1955 | fibsize, FsaNormal, 0, 1, | |
1956 | (fib_callback) aac_srb_callback, | |
1957 | (void *) scsicmd); | |
1958 | } else { | |
1959 | aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); | |
1960 | srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); | |
1961 | ||
1962 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
1963 | memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); | |
1964 | /* | |
1965 | * Build Scatter/Gather list | |
1966 | */ | |
1967 | fibsize = sizeof (struct aac_srb) + | |
1968 | (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * | |
1969 | sizeof (struct sgentry)); | |
7c00ffa3 | 1970 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1971 | sizeof(struct aac_fibhdr))); |
1972 | ||
1973 | /* | |
1974 | * Now send the Fib to the adapter | |
1975 | */ | |
1976 | status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, | |
1977 | (fib_callback) aac_srb_callback, (void *) scsicmd); | |
1978 | } | |
1979 | /* | |
1980 | * Check that the command queued to the controller | |
1981 | */ | |
1982 | if (status == -EINPROGRESS){ | |
1983 | return 0; | |
1984 | } | |
1985 | ||
1986 | printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); | |
1987 | fib_complete(cmd_fibcontext); | |
1988 | fib_free(cmd_fibcontext); | |
1989 | ||
1990 | return -1; | |
1991 | } | |
1992 | ||
1993 | static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) | |
1994 | { | |
1995 | struct aac_dev *dev; | |
1996 | unsigned long byte_count = 0; | |
1997 | ||
1998 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1999 | // Get rid of old data | |
2000 | psg->count = 0; | |
2001 | psg->sg[0].addr = 0; | |
2002 | psg->sg[0].count = 0; | |
2003 | if (scsicmd->use_sg) { | |
2004 | struct scatterlist *sg; | |
2005 | int i; | |
2006 | int sg_count; | |
2007 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2008 | ||
2009 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2010 | scsicmd->sc_data_direction); | |
2011 | psg->count = cpu_to_le32(sg_count); | |
2012 | ||
2013 | byte_count = 0; | |
2014 | ||
2015 | for (i = 0; i < sg_count; i++) { | |
2016 | psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); | |
2017 | psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); | |
2018 | byte_count += sg_dma_len(sg); | |
2019 | sg++; | |
2020 | } | |
2021 | /* hba wants the size to be exact */ | |
2022 | if(byte_count > scsicmd->request_bufflen){ | |
56b58712 MH |
2023 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - |
2024 | (byte_count - scsicmd->request_bufflen); | |
2025 | psg->sg[i-1].count = cpu_to_le32(temp); | |
1da177e4 LT |
2026 | byte_count = scsicmd->request_bufflen; |
2027 | } | |
2028 | /* Check for command underflow */ | |
2029 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2030 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2031 | byte_count, scsicmd->underflow); | |
2032 | } | |
2033 | } | |
2034 | else if(scsicmd->request_bufflen) { | |
2035 | dma_addr_t addr; | |
2036 | addr = pci_map_single(dev->pdev, | |
2037 | scsicmd->request_buffer, | |
2038 | scsicmd->request_bufflen, | |
2039 | scsicmd->sc_data_direction); | |
2040 | psg->count = cpu_to_le32(1); | |
2041 | psg->sg[0].addr = cpu_to_le32(addr); | |
2042 | psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); | |
2043 | scsicmd->SCp.dma_handle = addr; | |
2044 | byte_count = scsicmd->request_bufflen; | |
2045 | } | |
2046 | return byte_count; | |
2047 | } | |
2048 | ||
2049 | ||
2050 | static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) | |
2051 | { | |
2052 | struct aac_dev *dev; | |
2053 | unsigned long byte_count = 0; | |
56b58712 | 2054 | u64 addr; |
1da177e4 LT |
2055 | |
2056 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2057 | // Get rid of old data | |
2058 | psg->count = 0; | |
2059 | psg->sg[0].addr[0] = 0; | |
2060 | psg->sg[0].addr[1] = 0; | |
2061 | psg->sg[0].count = 0; | |
2062 | if (scsicmd->use_sg) { | |
2063 | struct scatterlist *sg; | |
2064 | int i; | |
2065 | int sg_count; | |
2066 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2067 | ||
2068 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2069 | scsicmd->sc_data_direction); | |
2070 | psg->count = cpu_to_le32(sg_count); | |
2071 | ||
2072 | byte_count = 0; | |
2073 | ||
2074 | for (i = 0; i < sg_count; i++) { | |
56b58712 MH |
2075 | addr = sg_dma_address(sg); |
2076 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); | |
2077 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
1da177e4 LT |
2078 | psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); |
2079 | byte_count += sg_dma_len(sg); | |
2080 | sg++; | |
2081 | } | |
2082 | /* hba wants the size to be exact */ | |
2083 | if(byte_count > scsicmd->request_bufflen){ | |
56b58712 MH |
2084 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - |
2085 | (byte_count - scsicmd->request_bufflen); | |
2086 | psg->sg[i-1].count = cpu_to_le32(temp); | |
1da177e4 LT |
2087 | byte_count = scsicmd->request_bufflen; |
2088 | } | |
2089 | /* Check for command underflow */ | |
2090 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2091 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2092 | byte_count, scsicmd->underflow); | |
2093 | } | |
2094 | } | |
2095 | else if(scsicmd->request_bufflen) { | |
56b58712 | 2096 | u64 addr; |
1da177e4 LT |
2097 | addr = pci_map_single(dev->pdev, |
2098 | scsicmd->request_buffer, | |
2099 | scsicmd->request_bufflen, | |
2100 | scsicmd->sc_data_direction); | |
2101 | psg->count = cpu_to_le32(1); | |
56b58712 MH |
2102 | psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); |
2103 | psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); | |
1da177e4 LT |
2104 | psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); |
2105 | scsicmd->SCp.dma_handle = addr; | |
2106 | byte_count = scsicmd->request_bufflen; | |
2107 | } | |
2108 | return byte_count; | |
2109 | } | |
2110 | ||
0e68c003 MH |
2111 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg) |
2112 | { | |
2113 | struct Scsi_Host *host = scsicmd->device->host; | |
2114 | struct aac_dev *dev = (struct aac_dev *)host->hostdata; | |
2115 | unsigned long byte_count = 0; | |
2116 | ||
2117 | // Get rid of old data | |
2118 | psg->count = 0; | |
2119 | psg->sg[0].next = 0; | |
2120 | psg->sg[0].prev = 0; | |
2121 | psg->sg[0].addr[0] = 0; | |
2122 | psg->sg[0].addr[1] = 0; | |
2123 | psg->sg[0].count = 0; | |
2124 | psg->sg[0].flags = 0; | |
2125 | if (scsicmd->use_sg) { | |
2126 | struct scatterlist *sg; | |
2127 | int i; | |
2128 | int sg_count; | |
2129 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2130 | ||
2131 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2132 | scsicmd->sc_data_direction); | |
2133 | ||
2134 | for (i = 0; i < sg_count; i++) { | |
2135 | int count = sg_dma_len(sg); | |
2136 | u64 addr = sg_dma_address(sg); | |
2137 | psg->sg[i].next = 0; | |
2138 | psg->sg[i].prev = 0; | |
2139 | psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); | |
2140 | psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); | |
2141 | psg->sg[i].count = cpu_to_le32(count); | |
2142 | psg->sg[i].flags = 0; | |
2143 | byte_count += count; | |
2144 | sg++; | |
2145 | } | |
2146 | psg->count = cpu_to_le32(sg_count); | |
2147 | /* hba wants the size to be exact */ | |
2148 | if(byte_count > scsicmd->request_bufflen){ | |
2149 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - | |
2150 | (byte_count - scsicmd->request_bufflen); | |
2151 | psg->sg[i-1].count = cpu_to_le32(temp); | |
2152 | byte_count = scsicmd->request_bufflen; | |
2153 | } | |
2154 | /* Check for command underflow */ | |
2155 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2156 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2157 | byte_count, scsicmd->underflow); | |
2158 | } | |
2159 | } | |
2160 | else if(scsicmd->request_bufflen) { | |
2161 | int count; | |
2162 | u64 addr; | |
2163 | scsicmd->SCp.dma_handle = pci_map_single(dev->pdev, | |
2164 | scsicmd->request_buffer, | |
2165 | scsicmd->request_bufflen, | |
2166 | scsicmd->sc_data_direction); | |
2167 | addr = scsicmd->SCp.dma_handle; | |
2168 | count = scsicmd->request_bufflen; | |
2169 | psg->count = cpu_to_le32(1); | |
2170 | psg->sg[0].next = 0; | |
2171 | psg->sg[0].prev = 0; | |
2172 | psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32)); | |
2173 | psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); | |
2174 | psg->sg[0].count = cpu_to_le32(count); | |
2175 | psg->sg[0].flags = 0; | |
2176 | byte_count = scsicmd->request_bufflen; | |
2177 | } | |
2178 | return byte_count; | |
2179 | } | |
2180 | ||
1da177e4 LT |
2181 | #ifdef AAC_DETAILED_STATUS_INFO |
2182 | ||
2183 | struct aac_srb_status_info { | |
2184 | u32 status; | |
2185 | char *str; | |
2186 | }; | |
2187 | ||
2188 | ||
2189 | static struct aac_srb_status_info srb_status_info[] = { | |
2190 | { SRB_STATUS_PENDING, "Pending Status"}, | |
2191 | { SRB_STATUS_SUCCESS, "Success"}, | |
2192 | { SRB_STATUS_ABORTED, "Aborted Command"}, | |
2193 | { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, | |
2194 | { SRB_STATUS_ERROR, "Error Event"}, | |
2195 | { SRB_STATUS_BUSY, "Device Busy"}, | |
2196 | { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, | |
2197 | { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, | |
2198 | { SRB_STATUS_NO_DEVICE, "No Device"}, | |
2199 | { SRB_STATUS_TIMEOUT, "Timeout"}, | |
2200 | { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, | |
2201 | { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, | |
2202 | { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, | |
2203 | { SRB_STATUS_BUS_RESET, "Bus Reset"}, | |
2204 | { SRB_STATUS_PARITY_ERROR, "Parity Error"}, | |
2205 | { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, | |
2206 | { SRB_STATUS_NO_HBA, "No HBA"}, | |
2207 | { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, | |
2208 | { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, | |
2209 | { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, | |
2210 | { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, | |
2211 | { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, | |
2212 | { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, | |
2213 | { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, | |
2214 | { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, | |
2215 | { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, | |
2216 | { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, | |
2217 | { SRB_STATUS_NOT_STARTED, "Not Started"}, | |
2218 | { SRB_STATUS_NOT_IN_USE, "Not In Use"}, | |
2219 | { SRB_STATUS_FORCE_ABORT, "Force Abort"}, | |
2220 | { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, | |
2221 | { 0xff, "Unknown Error"} | |
2222 | }; | |
2223 | ||
2224 | char *aac_get_status_string(u32 status) | |
2225 | { | |
2226 | int i; | |
2227 | ||
2228 | for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ | |
2229 | if(srb_status_info[i].status == status){ | |
2230 | return srb_status_info[i].str; | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | return "Bad Status Code"; | |
2235 | } | |
2236 | ||
2237 | #endif |