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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> | |
910638ae | 35 | #include <linux/dma-mapping.h> |
1da177e4 LT |
36 | #include <asm/semaphore.h> |
37 | #include <asm/uaccess.h> | |
38 | ||
39 | #include <scsi/scsi.h> | |
40 | #include <scsi/scsi_cmnd.h> | |
41 | #include <scsi/scsi_device.h> | |
42 | #include <scsi/scsi_host.h> | |
43 | ||
44 | #include "aacraid.h" | |
45 | ||
46 | /* values for inqd_pdt: Peripheral device type in plain English */ | |
47 | #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */ | |
48 | #define INQD_PDT_PROC 0x03 /* Processor device */ | |
49 | #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */ | |
50 | #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */ | |
51 | #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */ | |
52 | #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */ | |
53 | ||
54 | #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ | |
55 | #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ | |
56 | ||
1da177e4 LT |
57 | /* |
58 | * Sense codes | |
59 | */ | |
60 | ||
61 | #define SENCODE_NO_SENSE 0x00 | |
62 | #define SENCODE_END_OF_DATA 0x00 | |
63 | #define SENCODE_BECOMING_READY 0x04 | |
64 | #define SENCODE_INIT_CMD_REQUIRED 0x04 | |
65 | #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A | |
66 | #define SENCODE_INVALID_COMMAND 0x20 | |
67 | #define SENCODE_LBA_OUT_OF_RANGE 0x21 | |
68 | #define SENCODE_INVALID_CDB_FIELD 0x24 | |
69 | #define SENCODE_LUN_NOT_SUPPORTED 0x25 | |
70 | #define SENCODE_INVALID_PARAM_FIELD 0x26 | |
71 | #define SENCODE_PARAM_NOT_SUPPORTED 0x26 | |
72 | #define SENCODE_PARAM_VALUE_INVALID 0x26 | |
73 | #define SENCODE_RESET_OCCURRED 0x29 | |
74 | #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E | |
75 | #define SENCODE_INQUIRY_DATA_CHANGED 0x3F | |
76 | #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 | |
77 | #define SENCODE_DIAGNOSTIC_FAILURE 0x40 | |
78 | #define SENCODE_INTERNAL_TARGET_FAILURE 0x44 | |
79 | #define SENCODE_INVALID_MESSAGE_ERROR 0x49 | |
80 | #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c | |
81 | #define SENCODE_OVERLAPPED_COMMAND 0x4E | |
82 | ||
83 | /* | |
84 | * Additional sense codes | |
85 | */ | |
86 | ||
87 | #define ASENCODE_NO_SENSE 0x00 | |
88 | #define ASENCODE_END_OF_DATA 0x05 | |
89 | #define ASENCODE_BECOMING_READY 0x01 | |
90 | #define ASENCODE_INIT_CMD_REQUIRED 0x02 | |
91 | #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 | |
92 | #define ASENCODE_INVALID_COMMAND 0x00 | |
93 | #define ASENCODE_LBA_OUT_OF_RANGE 0x00 | |
94 | #define ASENCODE_INVALID_CDB_FIELD 0x00 | |
95 | #define ASENCODE_LUN_NOT_SUPPORTED 0x00 | |
96 | #define ASENCODE_INVALID_PARAM_FIELD 0x00 | |
97 | #define ASENCODE_PARAM_NOT_SUPPORTED 0x01 | |
98 | #define ASENCODE_PARAM_VALUE_INVALID 0x02 | |
99 | #define ASENCODE_RESET_OCCURRED 0x00 | |
100 | #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 | |
101 | #define ASENCODE_INQUIRY_DATA_CHANGED 0x03 | |
102 | #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 | |
103 | #define ASENCODE_DIAGNOSTIC_FAILURE 0x80 | |
104 | #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 | |
105 | #define ASENCODE_INVALID_MESSAGE_ERROR 0x00 | |
106 | #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 | |
107 | #define ASENCODE_OVERLAPPED_COMMAND 0x00 | |
108 | ||
109 | #define BYTE0(x) (unsigned char)(x) | |
110 | #define BYTE1(x) (unsigned char)((x) >> 8) | |
111 | #define BYTE2(x) (unsigned char)((x) >> 16) | |
112 | #define BYTE3(x) (unsigned char)((x) >> 24) | |
113 | ||
114 | /*------------------------------------------------------------------------------ | |
115 | * S T R U C T S / T Y P E D E F S | |
116 | *----------------------------------------------------------------------------*/ | |
117 | /* SCSI inquiry data */ | |
118 | struct inquiry_data { | |
119 | u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ | |
120 | u8 inqd_dtq; /* RMB | Device Type Qualifier */ | |
121 | u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ | |
122 | u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ | |
123 | u8 inqd_len; /* Additional length (n-4) */ | |
124 | u8 inqd_pad1[2];/* Reserved - must be zero */ | |
125 | u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ | |
126 | u8 inqd_vid[8]; /* Vendor ID */ | |
127 | u8 inqd_pid[16];/* Product ID */ | |
128 | u8 inqd_prl[4]; /* Product Revision Level */ | |
129 | }; | |
130 | ||
131 | /* | |
132 | * M O D U L E G L O B A L S | |
133 | */ | |
134 | ||
135 | static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); | |
136 | static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); | |
0e68c003 | 137 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); |
1da177e4 LT |
138 | static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); |
139 | #ifdef AAC_DETAILED_STATUS_INFO | |
140 | static char *aac_get_status_string(u32 status); | |
141 | #endif | |
142 | ||
143 | /* | |
144 | * Non dasd selection is handled entirely in aachba now | |
145 | */ | |
146 | ||
147 | static int nondasd = -1; | |
148 | static int dacmode = -1; | |
149 | ||
150 | static int commit = -1; | |
151 | ||
152 | module_param(nondasd, int, 0); | |
153 | MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); | |
154 | module_param(dacmode, int, 0); | |
155 | MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); | |
156 | module_param(commit, int, 0); | |
157 | MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); | |
158 | ||
7c00ffa3 MH |
159 | int numacb = -1; |
160 | module_param(numacb, int, S_IRUGO|S_IWUSR); | |
161 | MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid\nvalues are 512 and down. Default is to use suggestion from Firmware."); | |
162 | ||
163 | int acbsize = -1; | |
164 | module_param(acbsize, int, S_IRUGO|S_IWUSR); | |
165 | 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 |
166 | /** |
167 | * aac_get_config_status - check the adapter configuration | |
168 | * @common: adapter to query | |
169 | * | |
170 | * Query config status, and commit the configuration if needed. | |
171 | */ | |
172 | int aac_get_config_status(struct aac_dev *dev) | |
173 | { | |
174 | int status = 0; | |
175 | struct fib * fibptr; | |
176 | ||
bfb35aa8 | 177 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
178 | return -ENOMEM; |
179 | ||
bfb35aa8 | 180 | aac_fib_init(fibptr); |
1da177e4 LT |
181 | { |
182 | struct aac_get_config_status *dinfo; | |
183 | dinfo = (struct aac_get_config_status *) fib_data(fibptr); | |
184 | ||
185 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
186 | dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS); | |
187 | dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data)); | |
188 | } | |
189 | ||
bfb35aa8 | 190 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
191 | fibptr, |
192 | sizeof (struct aac_get_config_status), | |
193 | FsaNormal, | |
194 | 1, 1, | |
195 | NULL, NULL); | |
196 | if (status < 0 ) { | |
197 | printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); | |
198 | } else { | |
199 | struct aac_get_config_status_resp *reply | |
200 | = (struct aac_get_config_status_resp *) fib_data(fibptr); | |
201 | dprintk((KERN_WARNING | |
202 | "aac_get_config_status: response=%d status=%d action=%d\n", | |
203 | le32_to_cpu(reply->response), | |
204 | le32_to_cpu(reply->status), | |
205 | le32_to_cpu(reply->data.action))); | |
206 | if ((le32_to_cpu(reply->response) != ST_OK) || | |
207 | (le32_to_cpu(reply->status) != CT_OK) || | |
208 | (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) { | |
209 | printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n"); | |
210 | status = -EINVAL; | |
211 | } | |
212 | } | |
bfb35aa8 | 213 | aac_fib_complete(fibptr); |
1da177e4 LT |
214 | /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ |
215 | if (status >= 0) { | |
216 | if (commit == 1) { | |
217 | struct aac_commit_config * dinfo; | |
bfb35aa8 | 218 | aac_fib_init(fibptr); |
1da177e4 LT |
219 | dinfo = (struct aac_commit_config *) fib_data(fibptr); |
220 | ||
221 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
222 | dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); | |
223 | ||
bfb35aa8 | 224 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
225 | fibptr, |
226 | sizeof (struct aac_commit_config), | |
227 | FsaNormal, | |
228 | 1, 1, | |
229 | NULL, NULL); | |
bfb35aa8 | 230 | aac_fib_complete(fibptr); |
1da177e4 LT |
231 | } else if (commit == 0) { |
232 | printk(KERN_WARNING | |
233 | "aac_get_config_status: Foreign device configurations are being ignored\n"); | |
234 | } | |
235 | } | |
bfb35aa8 | 236 | aac_fib_free(fibptr); |
1da177e4 LT |
237 | return status; |
238 | } | |
239 | ||
240 | /** | |
241 | * aac_get_containers - list containers | |
242 | * @common: adapter to probe | |
243 | * | |
244 | * Make a list of all containers on this controller | |
245 | */ | |
246 | int aac_get_containers(struct aac_dev *dev) | |
247 | { | |
248 | struct fsa_dev_info *fsa_dev_ptr; | |
249 | u32 index; | |
250 | int status = 0; | |
251 | struct fib * fibptr; | |
252 | unsigned instance; | |
253 | struct aac_get_container_count *dinfo; | |
254 | struct aac_get_container_count_resp *dresp; | |
255 | int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
256 | ||
257 | instance = dev->scsi_host_ptr->unique_id; | |
258 | ||
bfb35aa8 | 259 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
260 | return -ENOMEM; |
261 | ||
bfb35aa8 | 262 | aac_fib_init(fibptr); |
1da177e4 LT |
263 | dinfo = (struct aac_get_container_count *) fib_data(fibptr); |
264 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
265 | dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT); | |
266 | ||
bfb35aa8 | 267 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
268 | fibptr, |
269 | sizeof (struct aac_get_container_count), | |
270 | FsaNormal, | |
271 | 1, 1, | |
272 | NULL, NULL); | |
273 | if (status >= 0) { | |
274 | dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); | |
275 | maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); | |
bfb35aa8 | 276 | aac_fib_complete(fibptr); |
1da177e4 LT |
277 | } |
278 | ||
279 | if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) | |
280 | maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
1da177e4 LT |
281 | fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( |
282 | sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); | |
283 | if (!fsa_dev_ptr) { | |
bfb35aa8 | 284 | aac_fib_free(fibptr); |
1da177e4 LT |
285 | return -ENOMEM; |
286 | } | |
287 | memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); | |
288 | ||
289 | dev->fsa_dev = fsa_dev_ptr; | |
290 | dev->maximum_num_containers = maximum_num_containers; | |
291 | ||
292 | for (index = 0; index < dev->maximum_num_containers; index++) { | |
293 | struct aac_query_mount *dinfo; | |
294 | struct aac_mount *dresp; | |
295 | ||
296 | fsa_dev_ptr[index].devname[0] = '\0'; | |
297 | ||
bfb35aa8 | 298 | aac_fib_init(fibptr); |
1da177e4 LT |
299 | dinfo = (struct aac_query_mount *) fib_data(fibptr); |
300 | ||
301 | dinfo->command = cpu_to_le32(VM_NameServe); | |
302 | dinfo->count = cpu_to_le32(index); | |
303 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
304 | ||
bfb35aa8 | 305 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
306 | fibptr, |
307 | sizeof (struct aac_query_mount), | |
308 | FsaNormal, | |
309 | 1, 1, | |
310 | NULL, NULL); | |
311 | if (status < 0 ) { | |
312 | printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); | |
313 | break; | |
314 | } | |
315 | dresp = (struct aac_mount *)fib_data(fibptr); | |
316 | ||
7a8cf29d MH |
317 | if ((le32_to_cpu(dresp->status) == ST_OK) && |
318 | (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) { | |
319 | dinfo->command = cpu_to_le32(VM_NameServe64); | |
320 | dinfo->count = cpu_to_le32(index); | |
321 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
322 | ||
bfb35aa8 | 323 | if (aac_fib_send(ContainerCommand, |
7a8cf29d MH |
324 | fibptr, |
325 | sizeof(struct aac_query_mount), | |
326 | FsaNormal, | |
327 | 1, 1, | |
328 | NULL, NULL) < 0) | |
329 | continue; | |
330 | } else | |
331 | dresp->mnt[0].capacityhigh = 0; | |
332 | ||
1da177e4 | 333 | dprintk ((KERN_DEBUG |
7a8cf29d | 334 | "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%llu\n", |
1da177e4 LT |
335 | (int)index, (int)le32_to_cpu(dresp->status), |
336 | (int)le32_to_cpu(dresp->mnt[0].vol), | |
337 | (int)le32_to_cpu(dresp->mnt[0].state), | |
7a8cf29d MH |
338 | ((u64)le32_to_cpu(dresp->mnt[0].capacity)) + |
339 | (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32))); | |
1da177e4 LT |
340 | if ((le32_to_cpu(dresp->status) == ST_OK) && |
341 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && | |
342 | (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { | |
343 | fsa_dev_ptr[index].valid = 1; | |
344 | fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); | |
7a8cf29d MH |
345 | fsa_dev_ptr[index].size |
346 | = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) + | |
347 | (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32); | |
1da177e4 LT |
348 | if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) |
349 | fsa_dev_ptr[index].ro = 1; | |
350 | } | |
bfb35aa8 | 351 | aac_fib_complete(fibptr); |
1da177e4 LT |
352 | /* |
353 | * If there are no more containers, then stop asking. | |
354 | */ | |
355 | if ((index + 1) >= le32_to_cpu(dresp->count)){ | |
356 | break; | |
357 | } | |
358 | } | |
bfb35aa8 | 359 | aac_fib_free(fibptr); |
1da177e4 LT |
360 | return status; |
361 | } | |
362 | ||
3b2946cc MH |
363 | static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) |
364 | { | |
365 | void *buf; | |
366 | unsigned int transfer_len; | |
367 | struct scatterlist *sg = scsicmd->request_buffer; | |
368 | ||
369 | if (scsicmd->use_sg) { | |
370 | buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; | |
371 | transfer_len = min(sg->length, len + offset); | |
372 | } else { | |
373 | buf = scsicmd->request_buffer; | |
374 | transfer_len = min(scsicmd->request_bufflen, len + offset); | |
375 | } | |
376 | ||
377 | memcpy(buf + offset, data, transfer_len - offset); | |
378 | ||
379 | if (scsicmd->use_sg) | |
380 | kunmap_atomic(buf - sg->offset, KM_IRQ0); | |
381 | ||
382 | } | |
383 | ||
1da177e4 LT |
384 | static void get_container_name_callback(void *context, struct fib * fibptr) |
385 | { | |
386 | struct aac_get_name_resp * get_name_reply; | |
387 | struct scsi_cmnd * scsicmd; | |
388 | ||
389 | scsicmd = (struct scsi_cmnd *) context; | |
390 | ||
391 | dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); | |
392 | if (fibptr == NULL) | |
393 | BUG(); | |
394 | ||
395 | get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); | |
396 | /* Failure is irrelevant, using default value instead */ | |
397 | if ((le32_to_cpu(get_name_reply->status) == CT_OK) | |
398 | && (get_name_reply->data[0] != '\0')) { | |
3b2946cc | 399 | char *sp = get_name_reply->data; |
1da177e4 LT |
400 | sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; |
401 | while (*sp == ' ') | |
402 | ++sp; | |
3b2946cc MH |
403 | if (*sp) { |
404 | char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; | |
405 | int count = sizeof(d); | |
406 | char *dp = d; | |
407 | do { | |
408 | *dp++ = (*sp) ? *sp++ : ' '; | |
409 | } while (--count > 0); | |
410 | aac_internal_transfer(scsicmd, d, | |
411 | offsetof(struct inquiry_data, inqd_pid), sizeof(d)); | |
412 | } | |
1da177e4 | 413 | } |
3b2946cc | 414 | |
1da177e4 LT |
415 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
416 | ||
bfb35aa8 MH |
417 | aac_fib_complete(fibptr); |
418 | aac_fib_free(fibptr); | |
8e0c5ebd | 419 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
420 | } |
421 | ||
422 | /** | |
423 | * aac_get_container_name - get container name, none blocking. | |
424 | */ | |
425 | static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) | |
426 | { | |
427 | int status; | |
428 | struct aac_get_name *dinfo; | |
429 | struct fib * cmd_fibcontext; | |
430 | struct aac_dev * dev; | |
431 | ||
432 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
433 | ||
bfb35aa8 | 434 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) |
1da177e4 LT |
435 | return -ENOMEM; |
436 | ||
bfb35aa8 | 437 | aac_fib_init(cmd_fibcontext); |
1da177e4 LT |
438 | dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); |
439 | ||
440 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
441 | dinfo->type = cpu_to_le32(CT_READ_NAME); | |
442 | dinfo->cid = cpu_to_le32(cid); | |
443 | dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); | |
444 | ||
bfb35aa8 | 445 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
446 | cmd_fibcontext, |
447 | sizeof (struct aac_get_name), | |
448 | FsaNormal, | |
449 | 0, 1, | |
450 | (fib_callback) get_container_name_callback, | |
451 | (void *) scsicmd); | |
452 | ||
453 | /* | |
454 | * Check that the command queued to the controller | |
455 | */ | |
456 | if (status == -EINPROGRESS) | |
457 | return 0; | |
458 | ||
bfb35aa8 MH |
459 | printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); |
460 | aac_fib_complete(cmd_fibcontext); | |
461 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
462 | return -1; |
463 | } | |
464 | ||
465 | /** | |
bfb35aa8 | 466 | * aac_probe_container - query a logical volume |
1da177e4 LT |
467 | * @dev: device to query |
468 | * @cid: container identifier | |
469 | * | |
470 | * Queries the controller about the given volume. The volume information | |
471 | * is updated in the struct fsa_dev_info structure rather than returned. | |
472 | */ | |
473 | ||
bfb35aa8 | 474 | int aac_probe_container(struct aac_dev *dev, int cid) |
1da177e4 LT |
475 | { |
476 | struct fsa_dev_info *fsa_dev_ptr; | |
477 | int status; | |
478 | struct aac_query_mount *dinfo; | |
479 | struct aac_mount *dresp; | |
480 | struct fib * fibptr; | |
481 | unsigned instance; | |
482 | ||
483 | fsa_dev_ptr = dev->fsa_dev; | |
484 | instance = dev->scsi_host_ptr->unique_id; | |
485 | ||
bfb35aa8 | 486 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
487 | return -ENOMEM; |
488 | ||
bfb35aa8 | 489 | aac_fib_init(fibptr); |
1da177e4 LT |
490 | |
491 | dinfo = (struct aac_query_mount *)fib_data(fibptr); | |
492 | ||
493 | dinfo->command = cpu_to_le32(VM_NameServe); | |
494 | dinfo->count = cpu_to_le32(cid); | |
495 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
496 | ||
bfb35aa8 | 497 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
498 | fibptr, |
499 | sizeof(struct aac_query_mount), | |
500 | FsaNormal, | |
501 | 1, 1, | |
502 | NULL, NULL); | |
503 | if (status < 0) { | |
bfb35aa8 | 504 | printk(KERN_WARNING "aacraid: aac_probe_container query failed.\n"); |
1da177e4 LT |
505 | goto error; |
506 | } | |
507 | ||
508 | dresp = (struct aac_mount *) fib_data(fibptr); | |
509 | ||
7a8cf29d MH |
510 | if ((le32_to_cpu(dresp->status) == ST_OK) && |
511 | (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) { | |
512 | dinfo->command = cpu_to_le32(VM_NameServe64); | |
513 | dinfo->count = cpu_to_le32(cid); | |
514 | dinfo->type = cpu_to_le32(FT_FILESYS); | |
515 | ||
bfb35aa8 | 516 | if (aac_fib_send(ContainerCommand, |
7a8cf29d MH |
517 | fibptr, |
518 | sizeof(struct aac_query_mount), | |
519 | FsaNormal, | |
520 | 1, 1, | |
521 | NULL, NULL) < 0) | |
522 | goto error; | |
523 | } else | |
524 | dresp->mnt[0].capacityhigh = 0; | |
525 | ||
1da177e4 LT |
526 | if ((le32_to_cpu(dresp->status) == ST_OK) && |
527 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && | |
528 | (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { | |
529 | fsa_dev_ptr[cid].valid = 1; | |
530 | fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); | |
7a8cf29d MH |
531 | fsa_dev_ptr[cid].size |
532 | = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) + | |
533 | (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32); | |
1da177e4 LT |
534 | if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) |
535 | fsa_dev_ptr[cid].ro = 1; | |
536 | } | |
537 | ||
538 | error: | |
bfb35aa8 MH |
539 | aac_fib_complete(fibptr); |
540 | aac_fib_free(fibptr); | |
1da177e4 LT |
541 | |
542 | return status; | |
543 | } | |
544 | ||
545 | /* Local Structure to set SCSI inquiry data strings */ | |
546 | struct scsi_inq { | |
547 | char vid[8]; /* Vendor ID */ | |
548 | char pid[16]; /* Product ID */ | |
549 | char prl[4]; /* Product Revision Level */ | |
550 | }; | |
551 | ||
552 | /** | |
553 | * InqStrCopy - string merge | |
554 | * @a: string to copy from | |
555 | * @b: string to copy to | |
556 | * | |
557 | * Copy a String from one location to another | |
558 | * without copying \0 | |
559 | */ | |
560 | ||
561 | static void inqstrcpy(char *a, char *b) | |
562 | { | |
563 | ||
564 | while(*a != (char)0) | |
565 | *b++ = *a++; | |
566 | } | |
567 | ||
568 | static char *container_types[] = { | |
569 | "None", | |
570 | "Volume", | |
571 | "Mirror", | |
572 | "Stripe", | |
573 | "RAID5", | |
574 | "SSRW", | |
575 | "SSRO", | |
576 | "Morph", | |
577 | "Legacy", | |
578 | "RAID4", | |
579 | "RAID10", | |
580 | "RAID00", | |
581 | "V-MIRRORS", | |
582 | "PSEUDO R4", | |
583 | "RAID50", | |
84971738 MH |
584 | "RAID5D", |
585 | "RAID5D0", | |
586 | "RAID1E", | |
587 | "RAID6", | |
588 | "RAID60", | |
1da177e4 LT |
589 | "Unknown" |
590 | }; | |
591 | ||
592 | ||
593 | ||
594 | /* Function: setinqstr | |
595 | * | |
596 | * Arguments: [1] pointer to void [1] int | |
597 | * | |
598 | * Purpose: Sets SCSI inquiry data strings for vendor, product | |
599 | * and revision level. Allows strings to be set in platform dependant | |
600 | * files instead of in OS dependant driver source. | |
601 | */ | |
602 | ||
794d0601 | 603 | static void setinqstr(struct aac_dev *dev, void *data, int tindex) |
1da177e4 LT |
604 | { |
605 | struct scsi_inq *str; | |
1da177e4 | 606 | |
1da177e4 | 607 | str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ |
794d0601 MH |
608 | memset(str, ' ', sizeof(*str)); |
609 | ||
610 | if (dev->supplement_adapter_info.AdapterTypeText[0]) { | |
611 | char * cp = dev->supplement_adapter_info.AdapterTypeText; | |
612 | int c = sizeof(str->vid); | |
613 | while (*cp && *cp != ' ' && --c) | |
614 | ++cp; | |
615 | c = *cp; | |
616 | *cp = '\0'; | |
617 | inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, | |
618 | str->vid); | |
619 | *cp = c; | |
620 | while (*cp && *cp != ' ') | |
621 | ++cp; | |
622 | while (*cp == ' ') | |
623 | ++cp; | |
624 | /* last six chars reserved for vol type */ | |
625 | c = 0; | |
626 | if (strlen(cp) > sizeof(str->pid)) { | |
627 | c = cp[sizeof(str->pid)]; | |
628 | cp[sizeof(str->pid)] = '\0'; | |
629 | } | |
630 | inqstrcpy (cp, str->pid); | |
631 | if (c) | |
632 | cp[sizeof(str->pid)] = c; | |
633 | } else { | |
634 | struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype); | |
635 | ||
636 | inqstrcpy (mp->vname, str->vid); | |
637 | /* last six chars reserved for vol type */ | |
638 | inqstrcpy (mp->model, str->pid); | |
639 | } | |
1da177e4 LT |
640 | |
641 | if (tindex < (sizeof(container_types)/sizeof(char *))){ | |
642 | char *findit = str->pid; | |
643 | ||
644 | for ( ; *findit != ' '; findit++); /* walk till we find a space */ | |
645 | /* RAID is superfluous in the context of a RAID device */ | |
646 | if (memcmp(findit-4, "RAID", 4) == 0) | |
647 | *(findit -= 4) = ' '; | |
794d0601 MH |
648 | if (((findit - str->pid) + strlen(container_types[tindex])) |
649 | < (sizeof(str->pid) + sizeof(str->prl))) | |
650 | inqstrcpy (container_types[tindex], findit + 1); | |
1da177e4 LT |
651 | } |
652 | inqstrcpy ("V1.0", str->prl); | |
653 | } | |
654 | ||
4833869e AB |
655 | static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, |
656 | u8 a_sense_code, u8 incorrect_length, | |
657 | u8 bit_pointer, u16 field_pointer, | |
658 | u32 residue) | |
1da177e4 LT |
659 | { |
660 | sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ | |
661 | sense_buf[1] = 0; /* Segment number, always zero */ | |
662 | ||
663 | if (incorrect_length) { | |
664 | sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ | |
665 | sense_buf[3] = BYTE3(residue); | |
666 | sense_buf[4] = BYTE2(residue); | |
667 | sense_buf[5] = BYTE1(residue); | |
668 | sense_buf[6] = BYTE0(residue); | |
669 | } else | |
670 | sense_buf[2] = sense_key; /* Sense key */ | |
671 | ||
672 | if (sense_key == ILLEGAL_REQUEST) | |
673 | sense_buf[7] = 10; /* Additional sense length */ | |
674 | else | |
675 | sense_buf[7] = 6; /* Additional sense length */ | |
676 | ||
677 | sense_buf[12] = sense_code; /* Additional sense code */ | |
678 | sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ | |
679 | if (sense_key == ILLEGAL_REQUEST) { | |
680 | sense_buf[15] = 0; | |
681 | ||
682 | if (sense_code == SENCODE_INVALID_PARAM_FIELD) | |
683 | sense_buf[15] = 0x80;/* Std sense key specific field */ | |
684 | /* Illegal parameter is in the parameter block */ | |
685 | ||
686 | if (sense_code == SENCODE_INVALID_CDB_FIELD) | |
687 | sense_buf[15] = 0xc0;/* Std sense key specific field */ | |
688 | /* Illegal parameter is in the CDB block */ | |
689 | sense_buf[15] |= bit_pointer; | |
690 | sense_buf[16] = field_pointer >> 8; /* MSB */ | |
691 | sense_buf[17] = field_pointer; /* LSB */ | |
692 | } | |
693 | } | |
694 | ||
695 | int aac_get_adapter_info(struct aac_dev* dev) | |
696 | { | |
697 | struct fib* fibptr; | |
1da177e4 LT |
698 | int rcode; |
699 | u32 tmp; | |
84971738 MH |
700 | struct aac_adapter_info *info; |
701 | struct aac_bus_info *command; | |
702 | struct aac_bus_info_response *bus_info; | |
7c00ffa3 | 703 | |
bfb35aa8 | 704 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
705 | return -ENOMEM; |
706 | ||
bfb35aa8 | 707 | aac_fib_init(fibptr); |
7c00ffa3 MH |
708 | info = (struct aac_adapter_info *) fib_data(fibptr); |
709 | memset(info,0,sizeof(*info)); | |
1da177e4 | 710 | |
bfb35aa8 | 711 | rcode = aac_fib_send(RequestAdapterInfo, |
7c00ffa3 MH |
712 | fibptr, |
713 | sizeof(*info), | |
714 | FsaNormal, | |
9203344c | 715 | -1, 1, /* First `interrupt' command uses special wait */ |
7c00ffa3 MH |
716 | NULL, |
717 | NULL); | |
718 | ||
719 | if (rcode < 0) { | |
bfb35aa8 MH |
720 | aac_fib_complete(fibptr); |
721 | aac_fib_free(fibptr); | |
7c00ffa3 MH |
722 | return rcode; |
723 | } | |
724 | memcpy(&dev->adapter_info, info, sizeof(*info)); | |
1da177e4 | 725 | |
7c00ffa3 MH |
726 | if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { |
727 | struct aac_supplement_adapter_info * info; | |
728 | ||
bfb35aa8 | 729 | aac_fib_init(fibptr); |
7c00ffa3 MH |
730 | |
731 | info = (struct aac_supplement_adapter_info *) fib_data(fibptr); | |
732 | ||
733 | memset(info,0,sizeof(*info)); | |
734 | ||
bfb35aa8 | 735 | rcode = aac_fib_send(RequestSupplementAdapterInfo, |
7c00ffa3 MH |
736 | fibptr, |
737 | sizeof(*info), | |
738 | FsaNormal, | |
739 | 1, 1, | |
740 | NULL, | |
741 | NULL); | |
742 | ||
743 | if (rcode >= 0) | |
744 | memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); | |
745 | } | |
1da177e4 | 746 | |
84971738 MH |
747 | |
748 | /* | |
749 | * GetBusInfo | |
750 | */ | |
751 | ||
bfb35aa8 | 752 | aac_fib_init(fibptr); |
84971738 MH |
753 | |
754 | bus_info = (struct aac_bus_info_response *) fib_data(fibptr); | |
755 | ||
756 | memset(bus_info, 0, sizeof(*bus_info)); | |
757 | ||
758 | command = (struct aac_bus_info *)bus_info; | |
759 | ||
760 | command->Command = cpu_to_le32(VM_Ioctl); | |
761 | command->ObjType = cpu_to_le32(FT_DRIVE); | |
762 | command->MethodId = cpu_to_le32(1); | |
763 | command->CtlCmd = cpu_to_le32(GetBusInfo); | |
764 | ||
bfb35aa8 | 765 | rcode = aac_fib_send(ContainerCommand, |
84971738 MH |
766 | fibptr, |
767 | sizeof (*bus_info), | |
768 | FsaNormal, | |
769 | 1, 1, | |
770 | NULL, NULL); | |
771 | ||
772 | if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { | |
773 | dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); | |
774 | dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); | |
775 | } | |
776 | ||
1da177e4 | 777 | tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
7c00ffa3 | 778 | printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", |
1da177e4 LT |
779 | dev->name, |
780 | dev->id, | |
781 | tmp>>24, | |
782 | (tmp>>16)&0xff, | |
783 | tmp&0xff, | |
7c00ffa3 MH |
784 | le32_to_cpu(dev->adapter_info.kernelbuild), |
785 | (int)sizeof(dev->supplement_adapter_info.BuildDate), | |
786 | dev->supplement_adapter_info.BuildDate); | |
1da177e4 LT |
787 | tmp = le32_to_cpu(dev->adapter_info.monitorrev); |
788 | printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", | |
789 | dev->name, dev->id, | |
790 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
791 | le32_to_cpu(dev->adapter_info.monitorbuild)); | |
792 | tmp = le32_to_cpu(dev->adapter_info.biosrev); | |
793 | printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", | |
794 | dev->name, dev->id, | |
795 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
796 | le32_to_cpu(dev->adapter_info.biosbuild)); | |
797 | if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) | |
798 | printk(KERN_INFO "%s%d: serial %x\n", | |
799 | dev->name, dev->id, | |
800 | le32_to_cpu(dev->adapter_info.serial[0])); | |
801 | ||
802 | dev->nondasd_support = 0; | |
803 | dev->raid_scsi_mode = 0; | |
804 | if(dev->adapter_info.options & AAC_OPT_NONDASD){ | |
805 | dev->nondasd_support = 1; | |
806 | } | |
807 | ||
808 | /* | |
809 | * If the firmware supports ROMB RAID/SCSI mode and we are currently | |
810 | * in RAID/SCSI mode, set the flag. For now if in this mode we will | |
811 | * force nondasd support on. If we decide to allow the non-dasd flag | |
812 | * additional changes changes will have to be made to support | |
813 | * RAID/SCSI. the function aac_scsi_cmd in this module will have to be | |
814 | * changed to support the new dev->raid_scsi_mode flag instead of | |
815 | * leaching off of the dev->nondasd_support flag. Also in linit.c the | |
816 | * function aac_detect will have to be modified where it sets up the | |
817 | * max number of channels based on the aac->nondasd_support flag only. | |
818 | */ | |
819 | if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && | |
820 | (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { | |
821 | dev->nondasd_support = 1; | |
822 | dev->raid_scsi_mode = 1; | |
823 | } | |
824 | if (dev->raid_scsi_mode != 0) | |
825 | printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", | |
826 | dev->name, dev->id); | |
827 | ||
828 | if(nondasd != -1) { | |
829 | dev->nondasd_support = (nondasd!=0); | |
830 | } | |
831 | if(dev->nondasd_support != 0){ | |
832 | printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); | |
833 | } | |
834 | ||
835 | dev->dac_support = 0; | |
836 | if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ | |
837 | printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); | |
838 | dev->dac_support = 1; | |
839 | } | |
840 | ||
841 | if(dacmode != -1) { | |
842 | dev->dac_support = (dacmode!=0); | |
843 | } | |
844 | if(dev->dac_support != 0) { | |
71e0f32f JB |
845 | if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && |
846 | !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { | |
1da177e4 LT |
847 | printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", |
848 | dev->name, dev->id); | |
71e0f32f JB |
849 | } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && |
850 | !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { | |
1da177e4 LT |
851 | printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", |
852 | dev->name, dev->id); | |
853 | dev->dac_support = 0; | |
854 | } else { | |
855 | printk(KERN_WARNING"%s%d: No suitable DMA available.\n", | |
856 | dev->name, dev->id); | |
857 | rcode = -ENOMEM; | |
858 | } | |
859 | } | |
7c00ffa3 MH |
860 | /* |
861 | * 57 scatter gather elements | |
862 | */ | |
0e68c003 MH |
863 | if (!(dev->raw_io_interface)) { |
864 | dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - | |
7c00ffa3 | 865 | sizeof(struct aac_fibhdr) - |
63a70eea MH |
866 | sizeof(struct aac_write) + sizeof(struct sgentry)) / |
867 | sizeof(struct sgentry); | |
0e68c003 MH |
868 | if (dev->dac_support) { |
869 | /* | |
870 | * 38 scatter gather elements | |
871 | */ | |
872 | dev->scsi_host_ptr->sg_tablesize = | |
873 | (dev->max_fib_size - | |
874 | sizeof(struct aac_fibhdr) - | |
875 | sizeof(struct aac_write64) + | |
63a70eea MH |
876 | sizeof(struct sgentry64)) / |
877 | sizeof(struct sgentry64); | |
0e68c003 MH |
878 | } |
879 | dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; | |
880 | if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { | |
881 | /* | |
882 | * Worst case size that could cause sg overflow when | |
883 | * we break up SG elements that are larger than 64KB. | |
884 | * Would be nice if we could tell the SCSI layer what | |
885 | * the maximum SG element size can be. Worst case is | |
886 | * (sg_tablesize-1) 4KB elements with one 64KB | |
887 | * element. | |
888 | * 32bit -> 468 or 238KB 64bit -> 424 or 212KB | |
889 | */ | |
890 | dev->scsi_host_ptr->max_sectors = | |
891 | (dev->scsi_host_ptr->sg_tablesize * 8) + 112; | |
892 | } | |
7c00ffa3 | 893 | } |
1da177e4 | 894 | |
bfb35aa8 MH |
895 | aac_fib_complete(fibptr); |
896 | aac_fib_free(fibptr); | |
1da177e4 LT |
897 | |
898 | return rcode; | |
899 | } | |
900 | ||
901 | ||
e53cb35a | 902 | static void io_callback(void *context, struct fib * fibptr) |
1da177e4 LT |
903 | { |
904 | struct aac_dev *dev; | |
905 | struct aac_read_reply *readreply; | |
906 | struct scsi_cmnd *scsicmd; | |
1da177e4 LT |
907 | u32 cid; |
908 | ||
909 | scsicmd = (struct scsi_cmnd *) context; | |
910 | ||
911 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
912 | cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); | |
913 | ||
7a8cf29d MH |
914 | if (nblank(dprintk(x))) { |
915 | u64 lba; | |
916 | switch (scsicmd->cmnd[0]) { | |
917 | case WRITE_6: | |
918 | case READ_6: | |
919 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | | |
920 | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
921 | break; | |
922 | case WRITE_16: | |
923 | case READ_16: | |
924 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
925 | ((u64)scsicmd->cmnd[3] << 48) | | |
926 | ((u64)scsicmd->cmnd[4] << 40) | | |
927 | ((u64)scsicmd->cmnd[5] << 32) | | |
928 | ((u64)scsicmd->cmnd[6] << 24) | | |
929 | (scsicmd->cmnd[7] << 16) | | |
930 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
931 | break; | |
932 | case WRITE_12: | |
933 | case READ_12: | |
934 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
935 | (scsicmd->cmnd[3] << 16) | | |
936 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
937 | break; | |
938 | default: | |
939 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
940 | (scsicmd->cmnd[3] << 16) | | |
941 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
942 | break; | |
943 | } | |
944 | printk(KERN_DEBUG | |
945 | "io_callback[cpu %d]: lba = %llu, t = %ld.\n", | |
946 | smp_processor_id(), (unsigned long long)lba, jiffies); | |
947 | } | |
1da177e4 LT |
948 | |
949 | if (fibptr == NULL) | |
950 | BUG(); | |
951 | ||
952 | if(scsicmd->use_sg) | |
953 | pci_unmap_sg(dev->pdev, | |
954 | (struct scatterlist *)scsicmd->buffer, | |
955 | scsicmd->use_sg, | |
956 | scsicmd->sc_data_direction); | |
957 | else if(scsicmd->request_bufflen) | |
958 | pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, | |
959 | scsicmd->request_bufflen, | |
960 | scsicmd->sc_data_direction); | |
961 | readreply = (struct aac_read_reply *)fib_data(fibptr); | |
962 | if (le32_to_cpu(readreply->status) == ST_OK) | |
963 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
964 | else { | |
7c00ffa3 | 965 | #ifdef AAC_DETAILED_STATUS_INFO |
e53cb35a | 966 | printk(KERN_WARNING "io_callback: io failed, status = %d\n", |
7c00ffa3 MH |
967 | le32_to_cpu(readreply->status)); |
968 | #endif | |
1da177e4 LT |
969 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
970 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
971 | HARDWARE_ERROR, | |
972 | SENCODE_INTERNAL_TARGET_FAILURE, | |
973 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
974 | 0, 0); | |
975 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
976 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
977 | ? sizeof(scsicmd->sense_buffer) | |
978 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
979 | } | |
bfb35aa8 MH |
980 | aac_fib_complete(fibptr); |
981 | aac_fib_free(fibptr); | |
1da177e4 | 982 | |
8e0c5ebd | 983 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
984 | } |
985 | ||
4833869e | 986 | static int aac_read(struct scsi_cmnd * scsicmd, int cid) |
1da177e4 | 987 | { |
7a8cf29d | 988 | u64 lba; |
1da177e4 LT |
989 | u32 count; |
990 | int status; | |
991 | ||
992 | u16 fibsize; | |
993 | struct aac_dev *dev; | |
994 | struct fib * cmd_fibcontext; | |
995 | ||
996 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
997 | /* | |
998 | * Get block address and transfer length | |
999 | */ | |
7a8cf29d MH |
1000 | switch (scsicmd->cmnd[0]) { |
1001 | case READ_6: | |
1da177e4 LT |
1002 | dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); |
1003 | ||
7a8cf29d MH |
1004 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | |
1005 | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1da177e4 LT |
1006 | count = scsicmd->cmnd[4]; |
1007 | ||
1008 | if (count == 0) | |
1009 | count = 256; | |
7a8cf29d MH |
1010 | break; |
1011 | case READ_16: | |
1012 | dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", cid)); | |
1013 | ||
1014 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
1015 | ((u64)scsicmd->cmnd[3] << 48) | | |
1016 | ((u64)scsicmd->cmnd[4] << 40) | | |
1017 | ((u64)scsicmd->cmnd[5] << 32) | | |
1018 | ((u64)scsicmd->cmnd[6] << 24) | | |
1019 | (scsicmd->cmnd[7] << 16) | | |
1020 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1021 | count = (scsicmd->cmnd[10] << 24) | | |
1022 | (scsicmd->cmnd[11] << 16) | | |
1023 | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; | |
1024 | break; | |
1025 | case READ_12: | |
1026 | dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", cid)); | |
1027 | ||
1028 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
1029 | (scsicmd->cmnd[3] << 16) | | |
1030 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1031 | count = (scsicmd->cmnd[6] << 24) | | |
1032 | (scsicmd->cmnd[7] << 16) | | |
1033 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1034 | break; | |
1035 | default: | |
1da177e4 LT |
1036 | dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); |
1037 | ||
7a8cf29d MH |
1038 | lba = ((u64)scsicmd->cmnd[2] << 24) | |
1039 | (scsicmd->cmnd[3] << 16) | | |
1040 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1da177e4 | 1041 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
7a8cf29d | 1042 | break; |
1da177e4 | 1043 | } |
7a8cf29d | 1044 | dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n", |
7c00ffa3 | 1045 | smp_processor_id(), (unsigned long long)lba, jiffies)); |
7a8cf29d MH |
1046 | if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) && |
1047 | (lba & 0xffffffff00000000LL)) { | |
1048 | dprintk((KERN_DEBUG "aac_read: Illegal lba\n")); | |
1049 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | | |
1050 | SAM_STAT_CHECK_CONDITION; | |
1051 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1052 | HARDWARE_ERROR, | |
1053 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1054 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1055 | 0, 0); | |
1056 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1057 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1058 | ? sizeof(scsicmd->sense_buffer) | |
1059 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1060 | scsicmd->scsi_done(scsicmd); | |
1061 | return 0; | |
1062 | } | |
1da177e4 LT |
1063 | /* |
1064 | * Alocate and initialize a Fib | |
1065 | */ | |
bfb35aa8 | 1066 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 LT |
1067 | return -1; |
1068 | } | |
1069 | ||
bfb35aa8 | 1070 | aac_fib_init(cmd_fibcontext); |
1da177e4 | 1071 | |
0e68c003 MH |
1072 | if (dev->raw_io_interface) { |
1073 | struct aac_raw_io *readcmd; | |
1074 | readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); | |
7a8cf29d MH |
1075 | readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); |
1076 | readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); | |
0e68c003 MH |
1077 | readcmd->count = cpu_to_le32(count<<9); |
1078 | readcmd->cid = cpu_to_le16(cid); | |
1079 | readcmd->flags = cpu_to_le16(1); | |
1080 | readcmd->bpTotal = 0; | |
1081 | readcmd->bpComplete = 0; | |
1082 | ||
1083 | aac_build_sgraw(scsicmd, &readcmd->sg); | |
1084 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
1085 | if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) | |
1086 | BUG(); | |
1087 | /* | |
1088 | * Now send the Fib to the adapter | |
1089 | */ | |
bfb35aa8 | 1090 | status = aac_fib_send(ContainerRawIo, |
0e68c003 MH |
1091 | cmd_fibcontext, |
1092 | fibsize, | |
1093 | FsaNormal, | |
1094 | 0, 1, | |
1095 | (fib_callback) io_callback, | |
1096 | (void *) scsicmd); | |
1097 | } else if (dev->dac_support == 1) { | |
1da177e4 LT |
1098 | struct aac_read64 *readcmd; |
1099 | readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); | |
1100 | readcmd->command = cpu_to_le32(VM_CtHostRead64); | |
1101 | readcmd->cid = cpu_to_le16(cid); | |
1102 | readcmd->sector_count = cpu_to_le16(count); | |
7a8cf29d | 1103 | readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); |
1da177e4 LT |
1104 | readcmd->pad = 0; |
1105 | readcmd->flags = 0; | |
1106 | ||
1107 | aac_build_sg64(scsicmd, &readcmd->sg); | |
1108 | fibsize = sizeof(struct aac_read64) + | |
1109 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
1110 | sizeof (struct sgentry64)); | |
77d71d22 | 1111 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1112 | sizeof(struct aac_fibhdr))); |
1113 | /* | |
1114 | * Now send the Fib to the adapter | |
1115 | */ | |
bfb35aa8 | 1116 | status = aac_fib_send(ContainerCommand64, |
1da177e4 LT |
1117 | cmd_fibcontext, |
1118 | fibsize, | |
1119 | FsaNormal, | |
1120 | 0, 1, | |
e53cb35a | 1121 | (fib_callback) io_callback, |
1da177e4 LT |
1122 | (void *) scsicmd); |
1123 | } else { | |
1124 | struct aac_read *readcmd; | |
1125 | readcmd = (struct aac_read *) fib_data(cmd_fibcontext); | |
1126 | readcmd->command = cpu_to_le32(VM_CtBlockRead); | |
1127 | readcmd->cid = cpu_to_le32(cid); | |
7a8cf29d | 1128 | readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); |
1da177e4 LT |
1129 | readcmd->count = cpu_to_le32(count * 512); |
1130 | ||
1da177e4 LT |
1131 | aac_build_sg(scsicmd, &readcmd->sg); |
1132 | fibsize = sizeof(struct aac_read) + | |
1133 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
1134 | sizeof (struct sgentry)); | |
7c00ffa3 | 1135 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1136 | sizeof(struct aac_fibhdr))); |
1137 | /* | |
1138 | * Now send the Fib to the adapter | |
1139 | */ | |
bfb35aa8 | 1140 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
1141 | cmd_fibcontext, |
1142 | fibsize, | |
1143 | FsaNormal, | |
1144 | 0, 1, | |
e53cb35a | 1145 | (fib_callback) io_callback, |
1da177e4 LT |
1146 | (void *) scsicmd); |
1147 | } | |
1148 | ||
1149 | ||
1150 | ||
1151 | /* | |
1152 | * Check that the command queued to the controller | |
1153 | */ | |
1154 | if (status == -EINPROGRESS) | |
1155 | return 0; | |
1156 | ||
bfb35aa8 | 1157 | printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); |
1da177e4 LT |
1158 | /* |
1159 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1160 | */ | |
1161 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
8e0c5ebd | 1162 | scsicmd->scsi_done(scsicmd); |
bfb35aa8 MH |
1163 | aac_fib_complete(cmd_fibcontext); |
1164 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1165 | return 0; |
1166 | } | |
1167 | ||
1168 | static int aac_write(struct scsi_cmnd * scsicmd, int cid) | |
1169 | { | |
7a8cf29d | 1170 | u64 lba; |
1da177e4 LT |
1171 | u32 count; |
1172 | int status; | |
1173 | u16 fibsize; | |
1174 | struct aac_dev *dev; | |
1175 | struct fib * cmd_fibcontext; | |
1176 | ||
1177 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1178 | /* | |
1179 | * Get block address and transfer length | |
1180 | */ | |
1181 | if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ | |
1182 | { | |
1183 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1184 | count = scsicmd->cmnd[4]; | |
1185 | if (count == 0) | |
1186 | count = 256; | |
7a8cf29d MH |
1187 | } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */ |
1188 | dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", cid)); | |
1189 | ||
1190 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
1191 | ((u64)scsicmd->cmnd[3] << 48) | | |
1192 | ((u64)scsicmd->cmnd[4] << 40) | | |
1193 | ((u64)scsicmd->cmnd[5] << 32) | | |
1194 | ((u64)scsicmd->cmnd[6] << 24) | | |
1195 | (scsicmd->cmnd[7] << 16) | | |
1196 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1197 | count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | | |
1198 | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; | |
1199 | } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */ | |
1200 | dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", cid)); | |
1201 | ||
1202 | lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | |
1203 | | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1204 | count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | |
1205 | | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1da177e4 LT |
1206 | } else { |
1207 | dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); | |
7a8cf29d | 1208 | lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; |
1da177e4 LT |
1209 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
1210 | } | |
7a8cf29d | 1211 | dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n", |
1da177e4 | 1212 | smp_processor_id(), (unsigned long long)lba, jiffies)); |
7a8cf29d MH |
1213 | if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) |
1214 | && (lba & 0xffffffff00000000LL)) { | |
1215 | dprintk((KERN_DEBUG "aac_write: Illegal lba\n")); | |
1216 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1217 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1218 | HARDWARE_ERROR, | |
1219 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1220 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1221 | 0, 0); | |
1222 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1223 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1224 | ? sizeof(scsicmd->sense_buffer) | |
1225 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1226 | scsicmd->scsi_done(scsicmd); | |
1227 | return 0; | |
1228 | } | |
1da177e4 LT |
1229 | /* |
1230 | * Allocate and initialize a Fib then setup a BlockWrite command | |
1231 | */ | |
bfb35aa8 | 1232 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 | 1233 | scsicmd->result = DID_ERROR << 16; |
8e0c5ebd | 1234 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
1235 | return 0; |
1236 | } | |
bfb35aa8 | 1237 | aac_fib_init(cmd_fibcontext); |
1da177e4 | 1238 | |
0e68c003 MH |
1239 | if (dev->raw_io_interface) { |
1240 | struct aac_raw_io *writecmd; | |
1241 | writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); | |
7a8cf29d MH |
1242 | writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); |
1243 | writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); | |
0e68c003 MH |
1244 | writecmd->count = cpu_to_le32(count<<9); |
1245 | writecmd->cid = cpu_to_le16(cid); | |
1246 | writecmd->flags = 0; | |
1247 | writecmd->bpTotal = 0; | |
1248 | writecmd->bpComplete = 0; | |
1249 | ||
1250 | aac_build_sgraw(scsicmd, &writecmd->sg); | |
1251 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
1252 | if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) | |
1253 | BUG(); | |
1254 | /* | |
1255 | * Now send the Fib to the adapter | |
1256 | */ | |
bfb35aa8 | 1257 | status = aac_fib_send(ContainerRawIo, |
0e68c003 MH |
1258 | cmd_fibcontext, |
1259 | fibsize, | |
1260 | FsaNormal, | |
1261 | 0, 1, | |
1262 | (fib_callback) io_callback, | |
1263 | (void *) scsicmd); | |
1264 | } else if (dev->dac_support == 1) { | |
1da177e4 LT |
1265 | struct aac_write64 *writecmd; |
1266 | writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); | |
1267 | writecmd->command = cpu_to_le32(VM_CtHostWrite64); | |
1268 | writecmd->cid = cpu_to_le16(cid); | |
1269 | writecmd->sector_count = cpu_to_le16(count); | |
7a8cf29d | 1270 | writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); |
1da177e4 LT |
1271 | writecmd->pad = 0; |
1272 | writecmd->flags = 0; | |
1273 | ||
1274 | aac_build_sg64(scsicmd, &writecmd->sg); | |
1275 | fibsize = sizeof(struct aac_write64) + | |
1276 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1277 | sizeof (struct sgentry64)); | |
7c00ffa3 | 1278 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1279 | sizeof(struct aac_fibhdr))); |
1280 | /* | |
1281 | * Now send the Fib to the adapter | |
1282 | */ | |
bfb35aa8 | 1283 | status = aac_fib_send(ContainerCommand64, |
1da177e4 LT |
1284 | cmd_fibcontext, |
1285 | fibsize, | |
1286 | FsaNormal, | |
1287 | 0, 1, | |
e53cb35a | 1288 | (fib_callback) io_callback, |
1da177e4 LT |
1289 | (void *) scsicmd); |
1290 | } else { | |
1291 | struct aac_write *writecmd; | |
1292 | writecmd = (struct aac_write *) fib_data(cmd_fibcontext); | |
1293 | writecmd->command = cpu_to_le32(VM_CtBlockWrite); | |
1294 | writecmd->cid = cpu_to_le32(cid); | |
7a8cf29d | 1295 | writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); |
1da177e4 LT |
1296 | writecmd->count = cpu_to_le32(count * 512); |
1297 | writecmd->sg.count = cpu_to_le32(1); | |
1298 | /* ->stable is not used - it did mean which type of write */ | |
1299 | ||
1da177e4 LT |
1300 | aac_build_sg(scsicmd, &writecmd->sg); |
1301 | fibsize = sizeof(struct aac_write) + | |
1302 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1303 | sizeof (struct sgentry)); | |
7c00ffa3 | 1304 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
1305 | sizeof(struct aac_fibhdr))); |
1306 | /* | |
1307 | * Now send the Fib to the adapter | |
1308 | */ | |
bfb35aa8 | 1309 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
1310 | cmd_fibcontext, |
1311 | fibsize, | |
1312 | FsaNormal, | |
1313 | 0, 1, | |
e53cb35a | 1314 | (fib_callback) io_callback, |
1da177e4 LT |
1315 | (void *) scsicmd); |
1316 | } | |
1317 | ||
1318 | /* | |
1319 | * Check that the command queued to the controller | |
1320 | */ | |
1321 | if (status == -EINPROGRESS) | |
1322 | { | |
1da177e4 LT |
1323 | return 0; |
1324 | } | |
1325 | ||
bfb35aa8 | 1326 | printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status); |
1da177e4 LT |
1327 | /* |
1328 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1329 | */ | |
1330 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
8e0c5ebd | 1331 | scsicmd->scsi_done(scsicmd); |
1da177e4 | 1332 | |
bfb35aa8 MH |
1333 | aac_fib_complete(cmd_fibcontext); |
1334 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1335 | return 0; |
1336 | } | |
1337 | ||
1338 | static void synchronize_callback(void *context, struct fib *fibptr) | |
1339 | { | |
1340 | struct aac_synchronize_reply *synchronizereply; | |
1341 | struct scsi_cmnd *cmd; | |
1342 | ||
1343 | cmd = context; | |
1344 | ||
1345 | dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", | |
1346 | smp_processor_id(), jiffies)); | |
1347 | BUG_ON(fibptr == NULL); | |
1348 | ||
1349 | ||
1350 | synchronizereply = fib_data(fibptr); | |
1351 | if (le32_to_cpu(synchronizereply->status) == CT_OK) | |
1352 | cmd->result = DID_OK << 16 | | |
1353 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1354 | else { | |
1355 | struct scsi_device *sdev = cmd->device; | |
1356 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; | |
1357 | u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); | |
1358 | printk(KERN_WARNING | |
1359 | "synchronize_callback: synchronize failed, status = %d\n", | |
1360 | le32_to_cpu(synchronizereply->status)); | |
1361 | cmd->result = DID_OK << 16 | | |
1362 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1363 | set_sense((u8 *)&dev->fsa_dev[cid].sense_data, | |
1364 | HARDWARE_ERROR, | |
1365 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1366 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1367 | 0, 0); | |
1368 | memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1369 | min(sizeof(dev->fsa_dev[cid].sense_data), | |
1370 | sizeof(cmd->sense_buffer))); | |
1371 | } | |
1372 | ||
bfb35aa8 MH |
1373 | aac_fib_complete(fibptr); |
1374 | aac_fib_free(fibptr); | |
8e0c5ebd | 1375 | cmd->scsi_done(cmd); |
1da177e4 LT |
1376 | } |
1377 | ||
1378 | static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) | |
1379 | { | |
1380 | int status; | |
1381 | struct fib *cmd_fibcontext; | |
1382 | struct aac_synchronize *synchronizecmd; | |
1383 | struct scsi_cmnd *cmd; | |
1384 | struct scsi_device *sdev = scsicmd->device; | |
1385 | int active = 0; | |
1386 | unsigned long flags; | |
1387 | ||
1388 | /* | |
1389 | * Wait for all commands to complete to this specific | |
1390 | * target (block). | |
1391 | */ | |
1392 | spin_lock_irqsave(&sdev->list_lock, flags); | |
1393 | list_for_each_entry(cmd, &sdev->cmd_list, list) | |
1394 | if (cmd != scsicmd && cmd->serial_number != 0) { | |
1395 | ++active; | |
1396 | break; | |
1397 | } | |
1398 | ||
1399 | spin_unlock_irqrestore(&sdev->list_lock, flags); | |
1400 | ||
1401 | /* | |
1402 | * Yield the processor (requeue for later) | |
1403 | */ | |
1404 | if (active) | |
1405 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
1406 | ||
1407 | /* | |
7c00ffa3 | 1408 | * Allocate and initialize a Fib |
1da177e4 LT |
1409 | */ |
1410 | if (!(cmd_fibcontext = | |
bfb35aa8 | 1411 | aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) |
1da177e4 LT |
1412 | return SCSI_MLQUEUE_HOST_BUSY; |
1413 | ||
bfb35aa8 | 1414 | aac_fib_init(cmd_fibcontext); |
1da177e4 LT |
1415 | |
1416 | synchronizecmd = fib_data(cmd_fibcontext); | |
1417 | synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); | |
1418 | synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); | |
1419 | synchronizecmd->cid = cpu_to_le32(cid); | |
1420 | synchronizecmd->count = | |
1421 | cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); | |
1422 | ||
1423 | /* | |
1424 | * Now send the Fib to the adapter | |
1425 | */ | |
bfb35aa8 | 1426 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
1427 | cmd_fibcontext, |
1428 | sizeof(struct aac_synchronize), | |
1429 | FsaNormal, | |
1430 | 0, 1, | |
1431 | (fib_callback)synchronize_callback, | |
1432 | (void *)scsicmd); | |
1433 | ||
1434 | /* | |
1435 | * Check that the command queued to the controller | |
1436 | */ | |
1437 | if (status == -EINPROGRESS) | |
1438 | return 0; | |
1439 | ||
1440 | printk(KERN_WARNING | |
bfb35aa8 MH |
1441 | "aac_synchronize: aac_fib_send failed with status: %d.\n", status); |
1442 | aac_fib_complete(cmd_fibcontext); | |
1443 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1444 | return SCSI_MLQUEUE_HOST_BUSY; |
1445 | } | |
1446 | ||
1447 | /** | |
1448 | * aac_scsi_cmd() - Process SCSI command | |
1449 | * @scsicmd: SCSI command block | |
1450 | * | |
1451 | * Emulate a SCSI command and queue the required request for the | |
1452 | * aacraid firmware. | |
1453 | */ | |
1454 | ||
1455 | int aac_scsi_cmd(struct scsi_cmnd * scsicmd) | |
1456 | { | |
1457 | u32 cid = 0; | |
1458 | struct Scsi_Host *host = scsicmd->device->host; | |
1459 | struct aac_dev *dev = (struct aac_dev *)host->hostdata; | |
1460 | struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; | |
1da177e4 LT |
1461 | int ret; |
1462 | ||
1463 | /* | |
1464 | * If the bus, id or lun is out of range, return fail | |
1465 | * Test does not apply to ID 16, the pseudo id for the controller | |
1466 | * itself. | |
1467 | */ | |
422c0d61 | 1468 | if (scmd_id(scsicmd) != host->this_id) { |
bb08f92e | 1469 | if ((scsicmd->device->channel == CONTAINER_CHANNEL)) { |
1da177e4 LT |
1470 | if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ |
1471 | scsicmd->result = DID_NO_CONNECT << 16; | |
1472 | scsicmd->scsi_done(scsicmd); | |
1473 | return 0; | |
1474 | } | |
1475 | cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); | |
1476 | ||
1477 | /* | |
1478 | * If the target container doesn't exist, it may have | |
1479 | * been newly created | |
1480 | */ | |
1481 | if ((fsa_dev_ptr[cid].valid & 1) == 0) { | |
1482 | switch (scsicmd->cmnd[0]) { | |
7a8cf29d MH |
1483 | case SERVICE_ACTION_IN: |
1484 | if (!(dev->raw_io_interface) || | |
1485 | !(dev->raw_io_64) || | |
1486 | ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) | |
1487 | break; | |
1da177e4 LT |
1488 | case INQUIRY: |
1489 | case READ_CAPACITY: | |
1490 | case TEST_UNIT_READY: | |
1491 | spin_unlock_irq(host->host_lock); | |
bfb35aa8 | 1492 | aac_probe_container(dev, cid); |
131256cf MH |
1493 | if ((fsa_dev_ptr[cid].valid & 1) == 0) |
1494 | fsa_dev_ptr[cid].valid = 0; | |
1da177e4 LT |
1495 | spin_lock_irq(host->host_lock); |
1496 | if (fsa_dev_ptr[cid].valid == 0) { | |
1497 | scsicmd->result = DID_NO_CONNECT << 16; | |
1498 | scsicmd->scsi_done(scsicmd); | |
1499 | return 0; | |
1500 | } | |
1501 | default: | |
1502 | break; | |
1503 | } | |
1504 | } | |
1505 | /* | |
1506 | * If the target container still doesn't exist, | |
1507 | * return failure | |
1508 | */ | |
1509 | if (fsa_dev_ptr[cid].valid == 0) { | |
1510 | scsicmd->result = DID_BAD_TARGET << 16; | |
1511 | scsicmd->scsi_done(scsicmd); | |
1512 | return 0; | |
1513 | } | |
1514 | } else { /* check for physical non-dasd devices */ | |
1515 | if(dev->nondasd_support == 1){ | |
1516 | return aac_send_srb_fib(scsicmd); | |
1517 | } else { | |
1518 | scsicmd->result = DID_NO_CONNECT << 16; | |
1519 | scsicmd->scsi_done(scsicmd); | |
1520 | return 0; | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | /* | |
1525 | * else Command for the controller itself | |
1526 | */ | |
1527 | else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ | |
1528 | (scsicmd->cmnd[0] != TEST_UNIT_READY)) | |
1529 | { | |
1530 | dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); | |
1531 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1532 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1533 | ILLEGAL_REQUEST, | |
1534 | 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 | /* Handle commands here that don't really require going out to the adapter */ | |
1546 | switch (scsicmd->cmnd[0]) { | |
1547 | case INQUIRY: | |
1548 | { | |
3b2946cc | 1549 | struct inquiry_data inq_data; |
1da177e4 LT |
1550 | |
1551 | dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); | |
3b2946cc | 1552 | memset(&inq_data, 0, sizeof (struct inquiry_data)); |
1da177e4 | 1553 | |
3b2946cc | 1554 | inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ |
3b2946cc MH |
1555 | 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 */ |
1556 | inq_data.inqd_len = 31; | |
1da177e4 | 1557 | /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ |
3b2946cc | 1558 | inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ |
1da177e4 LT |
1559 | /* |
1560 | * Set the Vendor, Product, and Revision Level | |
1561 | * see: <vendor>.c i.e. aac.c | |
1562 | */ | |
422c0d61 | 1563 | if (scmd_id(scsicmd) == host->this_id) { |
794d0601 | 1564 | setinqstr(dev, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *))); |
3b2946cc MH |
1565 | inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ |
1566 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
1da177e4 LT |
1567 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1568 | scsicmd->scsi_done(scsicmd); | |
1569 | return 0; | |
1570 | } | |
794d0601 | 1571 | setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); |
3b2946cc MH |
1572 | inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ |
1573 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
1da177e4 LT |
1574 | return aac_get_container_name(scsicmd, cid); |
1575 | } | |
7a8cf29d MH |
1576 | case SERVICE_ACTION_IN: |
1577 | if (!(dev->raw_io_interface) || | |
1578 | !(dev->raw_io_64) || | |
1579 | ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) | |
1580 | break; | |
1581 | { | |
1582 | u64 capacity; | |
07ce5eba | 1583 | char cp[13]; |
7a8cf29d MH |
1584 | |
1585 | dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n")); | |
1586 | capacity = fsa_dev_ptr[cid].size - 1; | |
7a8cf29d MH |
1587 | cp[0] = (capacity >> 56) & 0xff; |
1588 | cp[1] = (capacity >> 48) & 0xff; | |
1589 | cp[2] = (capacity >> 40) & 0xff; | |
1590 | cp[3] = (capacity >> 32) & 0xff; | |
1591 | cp[4] = (capacity >> 24) & 0xff; | |
1592 | cp[5] = (capacity >> 16) & 0xff; | |
1593 | cp[6] = (capacity >> 8) & 0xff; | |
1594 | cp[7] = (capacity >> 0) & 0xff; | |
1595 | cp[8] = 0; | |
1596 | cp[9] = 0; | |
1597 | cp[10] = 2; | |
1598 | cp[11] = 0; | |
07ce5eba MH |
1599 | cp[12] = 0; |
1600 | aac_internal_transfer(scsicmd, cp, 0, | |
1601 | min((unsigned int)scsicmd->cmnd[13], sizeof(cp))); | |
1602 | if (sizeof(cp) < scsicmd->cmnd[13]) { | |
1603 | unsigned int len, offset = sizeof(cp); | |
1604 | ||
1605 | memset(cp, 0, offset); | |
1606 | do { | |
1607 | len = min(scsicmd->cmnd[13]-offset, sizeof(cp)); | |
1608 | aac_internal_transfer(scsicmd, cp, offset, len); | |
1609 | } while ((offset += len) < scsicmd->cmnd[13]); | |
1610 | } | |
7a8cf29d MH |
1611 | |
1612 | /* Do not cache partition table for arrays */ | |
1613 | scsicmd->device->removable = 1; | |
1614 | ||
1615 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1616 | scsicmd->scsi_done(scsicmd); | |
1617 | ||
1618 | return 0; | |
1619 | } | |
1620 | ||
1da177e4 LT |
1621 | case READ_CAPACITY: |
1622 | { | |
1623 | u32 capacity; | |
3b2946cc | 1624 | char cp[8]; |
1da177e4 LT |
1625 | |
1626 | dprintk((KERN_DEBUG "READ CAPACITY command.\n")); | |
7a8cf29d | 1627 | if (fsa_dev_ptr[cid].size <= 0x100000000ULL) |
1da177e4 LT |
1628 | capacity = fsa_dev_ptr[cid].size - 1; |
1629 | else | |
1630 | capacity = (u32)-1; | |
3b2946cc | 1631 | |
1da177e4 LT |
1632 | cp[0] = (capacity >> 24) & 0xff; |
1633 | cp[1] = (capacity >> 16) & 0xff; | |
1634 | cp[2] = (capacity >> 8) & 0xff; | |
1635 | cp[3] = (capacity >> 0) & 0xff; | |
1636 | cp[4] = 0; | |
1637 | cp[5] = 0; | |
1638 | cp[6] = 2; | |
1639 | cp[7] = 0; | |
3b2946cc | 1640 | aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); |
7a8cf29d MH |
1641 | /* Do not cache partition table for arrays */ |
1642 | scsicmd->device->removable = 1; | |
1da177e4 LT |
1643 | |
1644 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1645 | scsicmd->scsi_done(scsicmd); | |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | case MODE_SENSE: | |
1651 | { | |
3b2946cc | 1652 | char mode_buf[4]; |
1da177e4 LT |
1653 | |
1654 | dprintk((KERN_DEBUG "MODE SENSE command.\n")); | |
1da177e4 LT |
1655 | mode_buf[0] = 3; /* Mode data length */ |
1656 | mode_buf[1] = 0; /* Medium type - default */ | |
1657 | mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ | |
1658 | mode_buf[3] = 0; /* Block descriptor length */ | |
1659 | ||
3b2946cc | 1660 | aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); |
1da177e4 LT |
1661 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1662 | scsicmd->scsi_done(scsicmd); | |
1663 | ||
1664 | return 0; | |
1665 | } | |
1666 | case MODE_SENSE_10: | |
1667 | { | |
3b2946cc | 1668 | char mode_buf[8]; |
1da177e4 LT |
1669 | |
1670 | dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); | |
1da177e4 LT |
1671 | mode_buf[0] = 0; /* Mode data length (MSB) */ |
1672 | mode_buf[1] = 6; /* Mode data length (LSB) */ | |
1673 | mode_buf[2] = 0; /* Medium type - default */ | |
1674 | mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ | |
1675 | mode_buf[4] = 0; /* reserved */ | |
1676 | mode_buf[5] = 0; /* reserved */ | |
1677 | mode_buf[6] = 0; /* Block descriptor length (MSB) */ | |
1678 | mode_buf[7] = 0; /* Block descriptor length (LSB) */ | |
3b2946cc | 1679 | aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); |
1da177e4 LT |
1680 | |
1681 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1682 | scsicmd->scsi_done(scsicmd); | |
1683 | ||
1684 | return 0; | |
1685 | } | |
1686 | case REQUEST_SENSE: | |
1687 | dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); | |
1688 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); | |
1689 | memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); | |
1690 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1691 | scsicmd->scsi_done(scsicmd); | |
1692 | return 0; | |
1693 | ||
1694 | case ALLOW_MEDIUM_REMOVAL: | |
1695 | dprintk((KERN_DEBUG "LOCK command.\n")); | |
1696 | if (scsicmd->cmnd[4]) | |
1697 | fsa_dev_ptr[cid].locked = 1; | |
1698 | else | |
1699 | fsa_dev_ptr[cid].locked = 0; | |
1700 | ||
1701 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1702 | scsicmd->scsi_done(scsicmd); | |
1703 | return 0; | |
1704 | /* | |
1705 | * These commands are all No-Ops | |
1706 | */ | |
1707 | case TEST_UNIT_READY: | |
1708 | case RESERVE: | |
1709 | case RELEASE: | |
1710 | case REZERO_UNIT: | |
1711 | case REASSIGN_BLOCKS: | |
1712 | case SEEK_10: | |
1713 | case START_STOP: | |
1714 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1715 | scsicmd->scsi_done(scsicmd); | |
1716 | return 0; | |
1717 | } | |
1718 | ||
1719 | switch (scsicmd->cmnd[0]) | |
1720 | { | |
1721 | case READ_6: | |
1722 | case READ_10: | |
7a8cf29d MH |
1723 | case READ_12: |
1724 | case READ_16: | |
1da177e4 LT |
1725 | /* |
1726 | * Hack to keep track of ordinal number of the device that | |
1727 | * corresponds to a container. Needed to convert | |
1728 | * containers to /dev/sd device names | |
1729 | */ | |
1730 | ||
1731 | spin_unlock_irq(host->host_lock); | |
7a8cf29d MH |
1732 | if (scsicmd->request->rq_disk) |
1733 | strlcpy(fsa_dev_ptr[cid].devname, | |
1734 | scsicmd->request->rq_disk->disk_name, | |
1735 | min(sizeof(fsa_dev_ptr[cid].devname), | |
1736 | sizeof(scsicmd->request->rq_disk->disk_name) + 1)); | |
1da177e4 LT |
1737 | ret = aac_read(scsicmd, cid); |
1738 | spin_lock_irq(host->host_lock); | |
1739 | return ret; | |
1740 | ||
1741 | case WRITE_6: | |
1742 | case WRITE_10: | |
7a8cf29d MH |
1743 | case WRITE_12: |
1744 | case WRITE_16: | |
1da177e4 LT |
1745 | spin_unlock_irq(host->host_lock); |
1746 | ret = aac_write(scsicmd, cid); | |
1747 | spin_lock_irq(host->host_lock); | |
1748 | return ret; | |
1749 | ||
1750 | case SYNCHRONIZE_CACHE: | |
1751 | /* Issue FIB to tell Firmware to flush it's cache */ | |
1752 | return aac_synchronize(scsicmd, cid); | |
1753 | ||
1754 | default: | |
1755 | /* | |
1756 | * Unhandled commands | |
1757 | */ | |
7c00ffa3 | 1758 | dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); |
1da177e4 LT |
1759 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
1760 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1761 | ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, | |
1762 | ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); | |
1763 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1764 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1765 | ? sizeof(scsicmd->sense_buffer) | |
1766 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1767 | scsicmd->scsi_done(scsicmd); | |
1768 | return 0; | |
1769 | } | |
1770 | } | |
1771 | ||
1772 | static int query_disk(struct aac_dev *dev, void __user *arg) | |
1773 | { | |
1774 | struct aac_query_disk qd; | |
1775 | struct fsa_dev_info *fsa_dev_ptr; | |
1776 | ||
1777 | fsa_dev_ptr = dev->fsa_dev; | |
1778 | if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) | |
1779 | return -EFAULT; | |
1780 | if (qd.cnum == -1) | |
1781 | qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); | |
1782 | else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) | |
1783 | { | |
1784 | if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) | |
1785 | return -EINVAL; | |
1786 | qd.instance = dev->scsi_host_ptr->host_no; | |
1787 | qd.bus = 0; | |
1788 | qd.id = CONTAINER_TO_ID(qd.cnum); | |
1789 | qd.lun = CONTAINER_TO_LUN(qd.cnum); | |
1790 | } | |
1791 | else return -EINVAL; | |
1792 | ||
1793 | qd.valid = fsa_dev_ptr[qd.cnum].valid; | |
1794 | qd.locked = fsa_dev_ptr[qd.cnum].locked; | |
1795 | qd.deleted = fsa_dev_ptr[qd.cnum].deleted; | |
1796 | ||
1797 | if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') | |
1798 | qd.unmapped = 1; | |
1799 | else | |
1800 | qd.unmapped = 0; | |
1801 | ||
1802 | strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, | |
1803 | min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); | |
1804 | ||
1805 | if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) | |
1806 | return -EFAULT; | |
1807 | return 0; | |
1808 | } | |
1809 | ||
1810 | static int force_delete_disk(struct aac_dev *dev, void __user *arg) | |
1811 | { | |
1812 | struct aac_delete_disk dd; | |
1813 | struct fsa_dev_info *fsa_dev_ptr; | |
1814 | ||
1815 | fsa_dev_ptr = dev->fsa_dev; | |
1816 | ||
1817 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
1818 | return -EFAULT; | |
1819 | ||
1820 | if (dd.cnum >= dev->maximum_num_containers) | |
1821 | return -EINVAL; | |
1822 | /* | |
1823 | * Mark this container as being deleted. | |
1824 | */ | |
1825 | fsa_dev_ptr[dd.cnum].deleted = 1; | |
1826 | /* | |
1827 | * Mark the container as no longer valid | |
1828 | */ | |
1829 | fsa_dev_ptr[dd.cnum].valid = 0; | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | static int delete_disk(struct aac_dev *dev, void __user *arg) | |
1834 | { | |
1835 | struct aac_delete_disk dd; | |
1836 | struct fsa_dev_info *fsa_dev_ptr; | |
1837 | ||
1838 | fsa_dev_ptr = dev->fsa_dev; | |
1839 | ||
1840 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
1841 | return -EFAULT; | |
1842 | ||
1843 | if (dd.cnum >= dev->maximum_num_containers) | |
1844 | return -EINVAL; | |
1845 | /* | |
1846 | * If the container is locked, it can not be deleted by the API. | |
1847 | */ | |
1848 | if (fsa_dev_ptr[dd.cnum].locked) | |
1849 | return -EBUSY; | |
1850 | else { | |
1851 | /* | |
1852 | * Mark the container as no longer being valid. | |
1853 | */ | |
1854 | fsa_dev_ptr[dd.cnum].valid = 0; | |
1855 | fsa_dev_ptr[dd.cnum].devname[0] = '\0'; | |
1856 | return 0; | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) | |
1861 | { | |
1862 | switch (cmd) { | |
1863 | case FSACTL_QUERY_DISK: | |
1864 | return query_disk(dev, arg); | |
1865 | case FSACTL_DELETE_DISK: | |
1866 | return delete_disk(dev, arg); | |
1867 | case FSACTL_FORCE_DELETE_DISK: | |
1868 | return force_delete_disk(dev, arg); | |
1869 | case FSACTL_GET_CONTAINERS: | |
1870 | return aac_get_containers(dev); | |
1871 | default: | |
1872 | return -ENOTTY; | |
1873 | } | |
1874 | } | |
1875 | ||
1876 | /** | |
1877 | * | |
1878 | * aac_srb_callback | |
1879 | * @context: the context set in the fib - here it is scsi cmd | |
1880 | * @fibptr: pointer to the fib | |
1881 | * | |
1882 | * Handles the completion of a scsi command to a non dasd device | |
1883 | * | |
1884 | */ | |
1885 | ||
1886 | static void aac_srb_callback(void *context, struct fib * fibptr) | |
1887 | { | |
1888 | struct aac_dev *dev; | |
1889 | struct aac_srb_reply *srbreply; | |
1890 | struct scsi_cmnd *scsicmd; | |
1891 | ||
1892 | scsicmd = (struct scsi_cmnd *) context; | |
1893 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1894 | ||
1895 | if (fibptr == NULL) | |
1896 | BUG(); | |
1897 | ||
1898 | srbreply = (struct aac_srb_reply *) fib_data(fibptr); | |
1899 | ||
1900 | scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ | |
1901 | /* | |
1902 | * Calculate resid for sg | |
1903 | */ | |
1904 | ||
1905 | scsicmd->resid = scsicmd->request_bufflen - | |
1906 | le32_to_cpu(srbreply->data_xfer_length); | |
1907 | ||
1908 | if(scsicmd->use_sg) | |
1909 | pci_unmap_sg(dev->pdev, | |
1910 | (struct scatterlist *)scsicmd->buffer, | |
1911 | scsicmd->use_sg, | |
1912 | scsicmd->sc_data_direction); | |
1913 | else if(scsicmd->request_bufflen) | |
1914 | pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, | |
1915 | scsicmd->sc_data_direction); | |
1916 | ||
1917 | /* | |
1918 | * First check the fib status | |
1919 | */ | |
1920 | ||
1921 | if (le32_to_cpu(srbreply->status) != ST_OK){ | |
1922 | int len; | |
1923 | printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); | |
1924 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
1925 | sizeof(scsicmd->sense_buffer)) ? | |
1926 | sizeof(scsicmd->sense_buffer) : | |
1927 | le32_to_cpu(srbreply->sense_data_size); | |
1928 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1929 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
1930 | } | |
1931 | ||
1932 | /* | |
1933 | * Next check the srb status | |
1934 | */ | |
1935 | switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ | |
1936 | case SRB_STATUS_ERROR_RECOVERY: | |
1937 | case SRB_STATUS_PENDING: | |
1938 | case SRB_STATUS_SUCCESS: | |
bb08f92e | 1939 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
1da177e4 LT |
1940 | break; |
1941 | case SRB_STATUS_DATA_OVERRUN: | |
1942 | switch(scsicmd->cmnd[0]){ | |
1943 | case READ_6: | |
1944 | case WRITE_6: | |
1945 | case READ_10: | |
1946 | case WRITE_10: | |
1947 | case READ_12: | |
1948 | case WRITE_12: | |
7a8cf29d MH |
1949 | case READ_16: |
1950 | case WRITE_16: | |
1da177e4 LT |
1951 | if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { |
1952 | printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); | |
1953 | } else { | |
1954 | printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); | |
1955 | } | |
1956 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
1957 | break; | |
1958 | case INQUIRY: { | |
bb08f92e | 1959 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
1da177e4 LT |
1960 | break; |
1961 | } | |
1962 | default: | |
1963 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
1964 | break; | |
1965 | } | |
1966 | break; | |
1967 | case SRB_STATUS_ABORTED: | |
1968 | scsicmd->result = DID_ABORT << 16 | ABORT << 8; | |
1969 | break; | |
1970 | case SRB_STATUS_ABORT_FAILED: | |
1971 | // Not sure about this one - but assuming the hba was trying to abort for some reason | |
1972 | scsicmd->result = DID_ERROR << 16 | ABORT << 8; | |
1973 | break; | |
1974 | case SRB_STATUS_PARITY_ERROR: | |
1975 | scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; | |
1976 | break; | |
1977 | case SRB_STATUS_NO_DEVICE: | |
1978 | case SRB_STATUS_INVALID_PATH_ID: | |
1979 | case SRB_STATUS_INVALID_TARGET_ID: | |
1980 | case SRB_STATUS_INVALID_LUN: | |
1981 | case SRB_STATUS_SELECTION_TIMEOUT: | |
1982 | scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; | |
1983 | break; | |
1984 | ||
1985 | case SRB_STATUS_COMMAND_TIMEOUT: | |
1986 | case SRB_STATUS_TIMEOUT: | |
1987 | scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; | |
1988 | break; | |
1989 | ||
1990 | case SRB_STATUS_BUSY: | |
1991 | scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; | |
1992 | break; | |
1993 | ||
1994 | case SRB_STATUS_BUS_RESET: | |
1995 | scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; | |
1996 | break; | |
1997 | ||
1998 | case SRB_STATUS_MESSAGE_REJECTED: | |
1999 | scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; | |
2000 | break; | |
2001 | case SRB_STATUS_REQUEST_FLUSHED: | |
2002 | case SRB_STATUS_ERROR: | |
2003 | case SRB_STATUS_INVALID_REQUEST: | |
2004 | case SRB_STATUS_REQUEST_SENSE_FAILED: | |
2005 | case SRB_STATUS_NO_HBA: | |
2006 | case SRB_STATUS_UNEXPECTED_BUS_FREE: | |
2007 | case SRB_STATUS_PHASE_SEQUENCE_FAILURE: | |
2008 | case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: | |
2009 | case SRB_STATUS_DELAYED_RETRY: | |
2010 | case SRB_STATUS_BAD_FUNCTION: | |
2011 | case SRB_STATUS_NOT_STARTED: | |
2012 | case SRB_STATUS_NOT_IN_USE: | |
2013 | case SRB_STATUS_FORCE_ABORT: | |
2014 | case SRB_STATUS_DOMAIN_VALIDATION_FAIL: | |
2015 | default: | |
2016 | #ifdef AAC_DETAILED_STATUS_INFO | |
2017 | printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", | |
2018 | le32_to_cpu(srbreply->srb_status) & 0x3F, | |
2019 | aac_get_status_string( | |
2020 | le32_to_cpu(srbreply->srb_status) & 0x3F), | |
2021 | scsicmd->cmnd[0], | |
2022 | le32_to_cpu(srbreply->scsi_status)); | |
2023 | #endif | |
2024 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
2025 | break; | |
2026 | } | |
2027 | if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition | |
2028 | int len; | |
2029 | scsicmd->result |= SAM_STAT_CHECK_CONDITION; | |
2030 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
2031 | sizeof(scsicmd->sense_buffer)) ? | |
2032 | sizeof(scsicmd->sense_buffer) : | |
2033 | le32_to_cpu(srbreply->sense_data_size); | |
2034 | #ifdef AAC_DETAILED_STATUS_INFO | |
7a8cf29d MH |
2035 | printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", |
2036 | le32_to_cpu(srbreply->status), len); | |
1da177e4 LT |
2037 | #endif |
2038 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
2039 | ||
2040 | } | |
2041 | /* | |
2042 | * OR in the scsi status (already shifted up a bit) | |
2043 | */ | |
2044 | scsicmd->result |= le32_to_cpu(srbreply->scsi_status); | |
2045 | ||
bfb35aa8 MH |
2046 | aac_fib_complete(fibptr); |
2047 | aac_fib_free(fibptr); | |
8e0c5ebd | 2048 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
2049 | } |
2050 | ||
2051 | /** | |
2052 | * | |
2053 | * aac_send_scb_fib | |
2054 | * @scsicmd: the scsi command block | |
2055 | * | |
2056 | * This routine will form a FIB and fill in the aac_srb from the | |
2057 | * scsicmd passed in. | |
2058 | */ | |
2059 | ||
2060 | static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) | |
2061 | { | |
2062 | struct fib* cmd_fibcontext; | |
2063 | struct aac_dev* dev; | |
2064 | int status; | |
2065 | struct aac_srb *srbcmd; | |
2066 | u16 fibsize; | |
2067 | u32 flag; | |
2068 | u32 timeout; | |
2069 | ||
84971738 MH |
2070 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
2071 | if (scsicmd->device->id >= dev->maximum_num_physicals || | |
2072 | scsicmd->device->lun > 7) { | |
1da177e4 LT |
2073 | scsicmd->result = DID_NO_CONNECT << 16; |
2074 | scsicmd->scsi_done(scsicmd); | |
2075 | return 0; | |
2076 | } | |
2077 | ||
2078 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2079 | switch(scsicmd->sc_data_direction){ | |
2080 | case DMA_TO_DEVICE: | |
2081 | flag = SRB_DataOut; | |
2082 | break; | |
2083 | case DMA_BIDIRECTIONAL: | |
2084 | flag = SRB_DataIn | SRB_DataOut; | |
2085 | break; | |
2086 | case DMA_FROM_DEVICE: | |
2087 | flag = SRB_DataIn; | |
2088 | break; | |
2089 | case DMA_NONE: | |
2090 | default: /* shuts up some versions of gcc */ | |
2091 | flag = SRB_NoDataXfer; | |
2092 | break; | |
2093 | } | |
2094 | ||
2095 | ||
2096 | /* | |
2097 | * Allocate and initialize a Fib then setup a BlockWrite command | |
2098 | */ | |
bfb35aa8 | 2099 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 LT |
2100 | return -1; |
2101 | } | |
bfb35aa8 | 2102 | aac_fib_init(cmd_fibcontext); |
1da177e4 LT |
2103 | |
2104 | srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); | |
2105 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); | |
2106 | srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); | |
2107 | srbcmd->id = cpu_to_le32(scsicmd->device->id); | |
2108 | srbcmd->lun = cpu_to_le32(scsicmd->device->lun); | |
2109 | srbcmd->flags = cpu_to_le32(flag); | |
5262d085 | 2110 | timeout = scsicmd->timeout_per_command/HZ; |
1da177e4 LT |
2111 | if(timeout == 0){ |
2112 | timeout = 1; | |
2113 | } | |
2114 | srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds | |
2115 | srbcmd->retry_limit = 0; /* Obsolete parameter */ | |
2116 | srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); | |
2117 | ||
2118 | if( dev->dac_support == 1 ) { | |
2119 | aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); | |
2120 | srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); | |
2121 | ||
2122 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
2123 | memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); | |
2124 | /* | |
2125 | * Build Scatter/Gather list | |
2126 | */ | |
2127 | fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + | |
2128 | ((le32_to_cpu(srbcmd->sg.count) & 0xff) * | |
2129 | sizeof (struct sgentry64)); | |
7c00ffa3 | 2130 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
2131 | sizeof(struct aac_fibhdr))); |
2132 | ||
2133 | /* | |
2134 | * Now send the Fib to the adapter | |
2135 | */ | |
bfb35aa8 | 2136 | status = aac_fib_send(ScsiPortCommand64, cmd_fibcontext, |
1da177e4 LT |
2137 | fibsize, FsaNormal, 0, 1, |
2138 | (fib_callback) aac_srb_callback, | |
2139 | (void *) scsicmd); | |
2140 | } else { | |
2141 | aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); | |
2142 | srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); | |
2143 | ||
2144 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
2145 | memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); | |
2146 | /* | |
2147 | * Build Scatter/Gather list | |
2148 | */ | |
2149 | fibsize = sizeof (struct aac_srb) + | |
2150 | (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * | |
2151 | sizeof (struct sgentry)); | |
7c00ffa3 | 2152 | BUG_ON (fibsize > (dev->max_fib_size - |
1da177e4 LT |
2153 | sizeof(struct aac_fibhdr))); |
2154 | ||
2155 | /* | |
2156 | * Now send the Fib to the adapter | |
2157 | */ | |
bfb35aa8 | 2158 | status = aac_fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, |
1da177e4 LT |
2159 | (fib_callback) aac_srb_callback, (void *) scsicmd); |
2160 | } | |
2161 | /* | |
2162 | * Check that the command queued to the controller | |
2163 | */ | |
2164 | if (status == -EINPROGRESS){ | |
2165 | return 0; | |
2166 | } | |
2167 | ||
bfb35aa8 MH |
2168 | printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status); |
2169 | aac_fib_complete(cmd_fibcontext); | |
2170 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
2171 | |
2172 | return -1; | |
2173 | } | |
2174 | ||
2175 | static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) | |
2176 | { | |
2177 | struct aac_dev *dev; | |
2178 | unsigned long byte_count = 0; | |
2179 | ||
2180 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2181 | // Get rid of old data | |
2182 | psg->count = 0; | |
2183 | psg->sg[0].addr = 0; | |
2184 | psg->sg[0].count = 0; | |
2185 | if (scsicmd->use_sg) { | |
2186 | struct scatterlist *sg; | |
2187 | int i; | |
2188 | int sg_count; | |
2189 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2190 | ||
2191 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2192 | scsicmd->sc_data_direction); | |
2193 | psg->count = cpu_to_le32(sg_count); | |
2194 | ||
2195 | byte_count = 0; | |
2196 | ||
2197 | for (i = 0; i < sg_count; i++) { | |
2198 | psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); | |
2199 | psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); | |
2200 | byte_count += sg_dma_len(sg); | |
2201 | sg++; | |
2202 | } | |
2203 | /* hba wants the size to be exact */ | |
2204 | if(byte_count > scsicmd->request_bufflen){ | |
56b58712 MH |
2205 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - |
2206 | (byte_count - scsicmd->request_bufflen); | |
2207 | psg->sg[i-1].count = cpu_to_le32(temp); | |
1da177e4 LT |
2208 | byte_count = scsicmd->request_bufflen; |
2209 | } | |
2210 | /* Check for command underflow */ | |
2211 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2212 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2213 | byte_count, scsicmd->underflow); | |
2214 | } | |
2215 | } | |
2216 | else if(scsicmd->request_bufflen) { | |
2217 | dma_addr_t addr; | |
2218 | addr = pci_map_single(dev->pdev, | |
2219 | scsicmd->request_buffer, | |
2220 | scsicmd->request_bufflen, | |
2221 | scsicmd->sc_data_direction); | |
2222 | psg->count = cpu_to_le32(1); | |
2223 | psg->sg[0].addr = cpu_to_le32(addr); | |
2224 | psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); | |
2225 | scsicmd->SCp.dma_handle = addr; | |
2226 | byte_count = scsicmd->request_bufflen; | |
2227 | } | |
2228 | return byte_count; | |
2229 | } | |
2230 | ||
2231 | ||
2232 | static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) | |
2233 | { | |
2234 | struct aac_dev *dev; | |
2235 | unsigned long byte_count = 0; | |
56b58712 | 2236 | u64 addr; |
1da177e4 LT |
2237 | |
2238 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2239 | // Get rid of old data | |
2240 | psg->count = 0; | |
2241 | psg->sg[0].addr[0] = 0; | |
2242 | psg->sg[0].addr[1] = 0; | |
2243 | psg->sg[0].count = 0; | |
2244 | if (scsicmd->use_sg) { | |
2245 | struct scatterlist *sg; | |
2246 | int i; | |
2247 | int sg_count; | |
2248 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2249 | ||
2250 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2251 | scsicmd->sc_data_direction); | |
2252 | psg->count = cpu_to_le32(sg_count); | |
2253 | ||
2254 | byte_count = 0; | |
2255 | ||
2256 | for (i = 0; i < sg_count; i++) { | |
56b58712 MH |
2257 | addr = sg_dma_address(sg); |
2258 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); | |
2259 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
1da177e4 LT |
2260 | psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); |
2261 | byte_count += sg_dma_len(sg); | |
2262 | sg++; | |
2263 | } | |
2264 | /* hba wants the size to be exact */ | |
2265 | if(byte_count > scsicmd->request_bufflen){ | |
56b58712 MH |
2266 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - |
2267 | (byte_count - scsicmd->request_bufflen); | |
2268 | psg->sg[i-1].count = cpu_to_le32(temp); | |
1da177e4 LT |
2269 | byte_count = scsicmd->request_bufflen; |
2270 | } | |
2271 | /* Check for command underflow */ | |
2272 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2273 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2274 | byte_count, scsicmd->underflow); | |
2275 | } | |
2276 | } | |
2277 | else if(scsicmd->request_bufflen) { | |
56b58712 | 2278 | u64 addr; |
1da177e4 LT |
2279 | addr = pci_map_single(dev->pdev, |
2280 | scsicmd->request_buffer, | |
2281 | scsicmd->request_bufflen, | |
2282 | scsicmd->sc_data_direction); | |
2283 | psg->count = cpu_to_le32(1); | |
56b58712 MH |
2284 | psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); |
2285 | psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); | |
1da177e4 LT |
2286 | psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); |
2287 | scsicmd->SCp.dma_handle = addr; | |
2288 | byte_count = scsicmd->request_bufflen; | |
2289 | } | |
2290 | return byte_count; | |
2291 | } | |
2292 | ||
0e68c003 MH |
2293 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg) |
2294 | { | |
2295 | struct Scsi_Host *host = scsicmd->device->host; | |
2296 | struct aac_dev *dev = (struct aac_dev *)host->hostdata; | |
2297 | unsigned long byte_count = 0; | |
2298 | ||
2299 | // Get rid of old data | |
2300 | psg->count = 0; | |
2301 | psg->sg[0].next = 0; | |
2302 | psg->sg[0].prev = 0; | |
2303 | psg->sg[0].addr[0] = 0; | |
2304 | psg->sg[0].addr[1] = 0; | |
2305 | psg->sg[0].count = 0; | |
2306 | psg->sg[0].flags = 0; | |
2307 | if (scsicmd->use_sg) { | |
2308 | struct scatterlist *sg; | |
2309 | int i; | |
2310 | int sg_count; | |
2311 | sg = (struct scatterlist *) scsicmd->request_buffer; | |
2312 | ||
2313 | sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, | |
2314 | scsicmd->sc_data_direction); | |
2315 | ||
2316 | for (i = 0; i < sg_count; i++) { | |
2317 | int count = sg_dma_len(sg); | |
2318 | u64 addr = sg_dma_address(sg); | |
2319 | psg->sg[i].next = 0; | |
2320 | psg->sg[i].prev = 0; | |
2321 | psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); | |
2322 | psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); | |
2323 | psg->sg[i].count = cpu_to_le32(count); | |
2324 | psg->sg[i].flags = 0; | |
2325 | byte_count += count; | |
2326 | sg++; | |
2327 | } | |
2328 | psg->count = cpu_to_le32(sg_count); | |
2329 | /* hba wants the size to be exact */ | |
2330 | if(byte_count > scsicmd->request_bufflen){ | |
2331 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - | |
2332 | (byte_count - scsicmd->request_bufflen); | |
2333 | psg->sg[i-1].count = cpu_to_le32(temp); | |
2334 | byte_count = scsicmd->request_bufflen; | |
2335 | } | |
2336 | /* Check for command underflow */ | |
2337 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2338 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2339 | byte_count, scsicmd->underflow); | |
2340 | } | |
2341 | } | |
2342 | else if(scsicmd->request_bufflen) { | |
2343 | int count; | |
2344 | u64 addr; | |
2345 | scsicmd->SCp.dma_handle = pci_map_single(dev->pdev, | |
2346 | scsicmd->request_buffer, | |
2347 | scsicmd->request_bufflen, | |
2348 | scsicmd->sc_data_direction); | |
2349 | addr = scsicmd->SCp.dma_handle; | |
2350 | count = scsicmd->request_bufflen; | |
2351 | psg->count = cpu_to_le32(1); | |
2352 | psg->sg[0].next = 0; | |
2353 | psg->sg[0].prev = 0; | |
2354 | psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32)); | |
2355 | psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); | |
2356 | psg->sg[0].count = cpu_to_le32(count); | |
2357 | psg->sg[0].flags = 0; | |
2358 | byte_count = scsicmd->request_bufflen; | |
2359 | } | |
2360 | return byte_count; | |
2361 | } | |
2362 | ||
1da177e4 LT |
2363 | #ifdef AAC_DETAILED_STATUS_INFO |
2364 | ||
2365 | struct aac_srb_status_info { | |
2366 | u32 status; | |
2367 | char *str; | |
2368 | }; | |
2369 | ||
2370 | ||
2371 | static struct aac_srb_status_info srb_status_info[] = { | |
2372 | { SRB_STATUS_PENDING, "Pending Status"}, | |
2373 | { SRB_STATUS_SUCCESS, "Success"}, | |
2374 | { SRB_STATUS_ABORTED, "Aborted Command"}, | |
2375 | { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, | |
2376 | { SRB_STATUS_ERROR, "Error Event"}, | |
2377 | { SRB_STATUS_BUSY, "Device Busy"}, | |
2378 | { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, | |
2379 | { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, | |
2380 | { SRB_STATUS_NO_DEVICE, "No Device"}, | |
2381 | { SRB_STATUS_TIMEOUT, "Timeout"}, | |
2382 | { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, | |
2383 | { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, | |
2384 | { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, | |
2385 | { SRB_STATUS_BUS_RESET, "Bus Reset"}, | |
2386 | { SRB_STATUS_PARITY_ERROR, "Parity Error"}, | |
2387 | { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, | |
2388 | { SRB_STATUS_NO_HBA, "No HBA"}, | |
2389 | { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, | |
2390 | { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, | |
2391 | { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, | |
2392 | { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, | |
2393 | { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, | |
2394 | { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, | |
2395 | { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, | |
2396 | { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, | |
2397 | { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, | |
2398 | { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, | |
2399 | { SRB_STATUS_NOT_STARTED, "Not Started"}, | |
2400 | { SRB_STATUS_NOT_IN_USE, "Not In Use"}, | |
2401 | { SRB_STATUS_FORCE_ABORT, "Force Abort"}, | |
2402 | { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, | |
2403 | { 0xff, "Unknown Error"} | |
2404 | }; | |
2405 | ||
2406 | char *aac_get_status_string(u32 status) | |
2407 | { | |
2408 | int i; | |
2409 | ||
2410 | for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ | |
2411 | if(srb_status_info[i].status == status){ | |
2412 | return srb_status_info[i].str; | |
2413 | } | |
2414 | } | |
2415 | ||
2416 | return "Bad Status Code"; | |
2417 | } | |
2418 | ||
2419 | #endif |