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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 | * | |
03d44337 | 8 | * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com) |
1da177e4 LT |
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> | |
1da177e4 LT |
29 | #include <linux/pci.h> |
30 | #include <linux/spinlock.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/completion.h> | |
33 | #include <linux/blkdev.h> | |
910638ae | 34 | #include <linux/dma-mapping.h> |
1da177e4 LT |
35 | #include <asm/semaphore.h> |
36 | #include <asm/uaccess.h> | |
37 | ||
38 | #include <scsi/scsi.h> | |
39 | #include <scsi/scsi_cmnd.h> | |
40 | #include <scsi/scsi_device.h> | |
41 | #include <scsi/scsi_host.h> | |
42 | ||
43 | #include "aacraid.h" | |
44 | ||
45 | /* values for inqd_pdt: Peripheral device type in plain English */ | |
46 | #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */ | |
47 | #define INQD_PDT_PROC 0x03 /* Processor device */ | |
48 | #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */ | |
49 | #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */ | |
50 | #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */ | |
51 | #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */ | |
52 | ||
53 | #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ | |
54 | #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ | |
55 | ||
1da177e4 LT |
56 | /* |
57 | * Sense codes | |
58 | */ | |
59 | ||
60 | #define SENCODE_NO_SENSE 0x00 | |
61 | #define SENCODE_END_OF_DATA 0x00 | |
62 | #define SENCODE_BECOMING_READY 0x04 | |
63 | #define SENCODE_INIT_CMD_REQUIRED 0x04 | |
64 | #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A | |
65 | #define SENCODE_INVALID_COMMAND 0x20 | |
66 | #define SENCODE_LBA_OUT_OF_RANGE 0x21 | |
67 | #define SENCODE_INVALID_CDB_FIELD 0x24 | |
68 | #define SENCODE_LUN_NOT_SUPPORTED 0x25 | |
69 | #define SENCODE_INVALID_PARAM_FIELD 0x26 | |
70 | #define SENCODE_PARAM_NOT_SUPPORTED 0x26 | |
71 | #define SENCODE_PARAM_VALUE_INVALID 0x26 | |
72 | #define SENCODE_RESET_OCCURRED 0x29 | |
73 | #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E | |
74 | #define SENCODE_INQUIRY_DATA_CHANGED 0x3F | |
75 | #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 | |
76 | #define SENCODE_DIAGNOSTIC_FAILURE 0x40 | |
77 | #define SENCODE_INTERNAL_TARGET_FAILURE 0x44 | |
78 | #define SENCODE_INVALID_MESSAGE_ERROR 0x49 | |
79 | #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c | |
80 | #define SENCODE_OVERLAPPED_COMMAND 0x4E | |
81 | ||
82 | /* | |
83 | * Additional sense codes | |
84 | */ | |
85 | ||
86 | #define ASENCODE_NO_SENSE 0x00 | |
87 | #define ASENCODE_END_OF_DATA 0x05 | |
88 | #define ASENCODE_BECOMING_READY 0x01 | |
89 | #define ASENCODE_INIT_CMD_REQUIRED 0x02 | |
90 | #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 | |
91 | #define ASENCODE_INVALID_COMMAND 0x00 | |
92 | #define ASENCODE_LBA_OUT_OF_RANGE 0x00 | |
93 | #define ASENCODE_INVALID_CDB_FIELD 0x00 | |
94 | #define ASENCODE_LUN_NOT_SUPPORTED 0x00 | |
95 | #define ASENCODE_INVALID_PARAM_FIELD 0x00 | |
96 | #define ASENCODE_PARAM_NOT_SUPPORTED 0x01 | |
97 | #define ASENCODE_PARAM_VALUE_INVALID 0x02 | |
98 | #define ASENCODE_RESET_OCCURRED 0x00 | |
99 | #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 | |
100 | #define ASENCODE_INQUIRY_DATA_CHANGED 0x03 | |
101 | #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 | |
102 | #define ASENCODE_DIAGNOSTIC_FAILURE 0x80 | |
103 | #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 | |
104 | #define ASENCODE_INVALID_MESSAGE_ERROR 0x00 | |
105 | #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 | |
106 | #define ASENCODE_OVERLAPPED_COMMAND 0x00 | |
107 | ||
108 | #define BYTE0(x) (unsigned char)(x) | |
109 | #define BYTE1(x) (unsigned char)((x) >> 8) | |
110 | #define BYTE2(x) (unsigned char)((x) >> 16) | |
111 | #define BYTE3(x) (unsigned char)((x) >> 24) | |
112 | ||
113 | /*------------------------------------------------------------------------------ | |
114 | * S T R U C T S / T Y P E D E F S | |
115 | *----------------------------------------------------------------------------*/ | |
116 | /* SCSI inquiry data */ | |
117 | struct inquiry_data { | |
118 | u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ | |
119 | u8 inqd_dtq; /* RMB | Device Type Qualifier */ | |
120 | u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ | |
121 | u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ | |
122 | u8 inqd_len; /* Additional length (n-4) */ | |
123 | u8 inqd_pad1[2];/* Reserved - must be zero */ | |
124 | u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ | |
125 | u8 inqd_vid[8]; /* Vendor ID */ | |
126 | u8 inqd_pid[16];/* Product ID */ | |
127 | u8 inqd_prl[4]; /* Product Revision Level */ | |
128 | }; | |
129 | ||
130 | /* | |
131 | * M O D U L E G L O B A L S | |
132 | */ | |
133 | ||
134 | static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); | |
135 | static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); | |
0e68c003 | 136 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); |
1da177e4 LT |
137 | static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); |
138 | #ifdef AAC_DETAILED_STATUS_INFO | |
139 | static char *aac_get_status_string(u32 status); | |
140 | #endif | |
141 | ||
142 | /* | |
143 | * Non dasd selection is handled entirely in aachba now | |
144 | */ | |
145 | ||
146 | static int nondasd = -1; | |
147 | static int dacmode = -1; | |
148 | ||
1208bab5 | 149 | int aac_commit = -1; |
404d9a90 MH |
150 | int startup_timeout = 180; |
151 | int aif_timeout = 120; | |
1da177e4 | 152 | |
9a72f976 | 153 | module_param(nondasd, int, S_IRUGO|S_IWUSR); |
1da177e4 | 154 | MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); |
9a72f976 | 155 | module_param(dacmode, int, S_IRUGO|S_IWUSR); |
1da177e4 | 156 | MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); |
1208bab5 | 157 | module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); |
1da177e4 | 158 | MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); |
404d9a90 MH |
159 | module_param(startup_timeout, int, S_IRUGO|S_IWUSR); |
160 | MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS."); | |
161 | module_param(aif_timeout, int, S_IRUGO|S_IWUSR); | |
162 | MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems."); | |
1da177e4 | 163 | |
7c00ffa3 MH |
164 | int numacb = -1; |
165 | module_param(numacb, int, S_IRUGO|S_IWUSR); | |
9a72f976 | 166 | MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware."); |
7c00ffa3 MH |
167 | |
168 | int acbsize = -1; | |
169 | module_param(acbsize, int, S_IRUGO|S_IWUSR); | |
9a72f976 | 170 | MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware."); |
653ba58d | 171 | |
29c97684 SM |
172 | int update_interval = 30 * 60; |
173 | module_param(update_interval, int, S_IRUGO|S_IWUSR); | |
174 | MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter."); | |
175 | ||
176 | int check_interval = 24 * 60 * 60; | |
177 | module_param(check_interval, int, S_IRUGO|S_IWUSR); | |
178 | MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks."); | |
179 | ||
87f3bda3 AM |
180 | int aac_check_reset = 1; |
181 | module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR); | |
182 | MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter."); | |
29c97684 | 183 | |
e37ee4be | 184 | int expose_physicals = -1; |
653ba58d | 185 | module_param(expose_physicals, int, S_IRUGO|S_IWUSR); |
e37ee4be | 186 | MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on"); |
03d44337 | 187 | |
1208bab5 SM |
188 | int aac_reset_devices = 0; |
189 | module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR); | |
190 | MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization."); | |
03d44337 MH |
191 | |
192 | static inline int aac_valid_context(struct scsi_cmnd *scsicmd, | |
193 | struct fib *fibptr) { | |
194 | struct scsi_device *device; | |
195 | ||
196 | if (unlikely(!scsicmd || !scsicmd->scsi_done )) { | |
c835e372 | 197 | dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n")); |
03d44337 MH |
198 | aac_fib_complete(fibptr); |
199 | aac_fib_free(fibptr); | |
200 | return 0; | |
201 | } | |
202 | scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; | |
203 | device = scsicmd->device; | |
204 | if (unlikely(!device || !scsi_device_online(device))) { | |
205 | dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n")); | |
206 | aac_fib_complete(fibptr); | |
207 | aac_fib_free(fibptr); | |
208 | return 0; | |
209 | } | |
210 | return 1; | |
211 | } | |
212 | ||
1da177e4 LT |
213 | /** |
214 | * aac_get_config_status - check the adapter configuration | |
215 | * @common: adapter to query | |
216 | * | |
217 | * Query config status, and commit the configuration if needed. | |
218 | */ | |
8c867b25 | 219 | int aac_get_config_status(struct aac_dev *dev, int commit_flag) |
1da177e4 LT |
220 | { |
221 | int status = 0; | |
222 | struct fib * fibptr; | |
223 | ||
bfb35aa8 | 224 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
225 | return -ENOMEM; |
226 | ||
bfb35aa8 | 227 | aac_fib_init(fibptr); |
1da177e4 LT |
228 | { |
229 | struct aac_get_config_status *dinfo; | |
230 | dinfo = (struct aac_get_config_status *) fib_data(fibptr); | |
231 | ||
232 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
233 | dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS); | |
234 | dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data)); | |
235 | } | |
236 | ||
bfb35aa8 | 237 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
238 | fibptr, |
239 | sizeof (struct aac_get_config_status), | |
240 | FsaNormal, | |
241 | 1, 1, | |
242 | NULL, NULL); | |
243 | if (status < 0 ) { | |
244 | printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); | |
245 | } else { | |
246 | struct aac_get_config_status_resp *reply | |
247 | = (struct aac_get_config_status_resp *) fib_data(fibptr); | |
248 | dprintk((KERN_WARNING | |
249 | "aac_get_config_status: response=%d status=%d action=%d\n", | |
250 | le32_to_cpu(reply->response), | |
251 | le32_to_cpu(reply->status), | |
252 | le32_to_cpu(reply->data.action))); | |
253 | if ((le32_to_cpu(reply->response) != ST_OK) || | |
254 | (le32_to_cpu(reply->status) != CT_OK) || | |
255 | (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) { | |
256 | printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n"); | |
257 | status = -EINVAL; | |
258 | } | |
259 | } | |
bfb35aa8 | 260 | aac_fib_complete(fibptr); |
1da177e4 LT |
261 | /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ |
262 | if (status >= 0) { | |
1208bab5 | 263 | if ((aac_commit == 1) || commit_flag) { |
1da177e4 | 264 | struct aac_commit_config * dinfo; |
bfb35aa8 | 265 | aac_fib_init(fibptr); |
1da177e4 LT |
266 | dinfo = (struct aac_commit_config *) fib_data(fibptr); |
267 | ||
268 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
269 | dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); | |
270 | ||
bfb35aa8 | 271 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
272 | fibptr, |
273 | sizeof (struct aac_commit_config), | |
274 | FsaNormal, | |
275 | 1, 1, | |
276 | NULL, NULL); | |
bfb35aa8 | 277 | aac_fib_complete(fibptr); |
1208bab5 | 278 | } else if (aac_commit == 0) { |
1da177e4 LT |
279 | printk(KERN_WARNING |
280 | "aac_get_config_status: Foreign device configurations are being ignored\n"); | |
281 | } | |
282 | } | |
bfb35aa8 | 283 | aac_fib_free(fibptr); |
1da177e4 LT |
284 | return status; |
285 | } | |
286 | ||
287 | /** | |
288 | * aac_get_containers - list containers | |
289 | * @common: adapter to probe | |
290 | * | |
291 | * Make a list of all containers on this controller | |
292 | */ | |
293 | int aac_get_containers(struct aac_dev *dev) | |
294 | { | |
295 | struct fsa_dev_info *fsa_dev_ptr; | |
296 | u32 index; | |
297 | int status = 0; | |
298 | struct fib * fibptr; | |
1da177e4 LT |
299 | struct aac_get_container_count *dinfo; |
300 | struct aac_get_container_count_resp *dresp; | |
301 | int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
302 | ||
bfb35aa8 | 303 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
304 | return -ENOMEM; |
305 | ||
bfb35aa8 | 306 | aac_fib_init(fibptr); |
1da177e4 LT |
307 | dinfo = (struct aac_get_container_count *) fib_data(fibptr); |
308 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
309 | dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT); | |
310 | ||
bfb35aa8 | 311 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
312 | fibptr, |
313 | sizeof (struct aac_get_container_count), | |
314 | FsaNormal, | |
315 | 1, 1, | |
316 | NULL, NULL); | |
317 | if (status >= 0) { | |
318 | dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); | |
319 | maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); | |
bfb35aa8 | 320 | aac_fib_complete(fibptr); |
1da177e4 | 321 | } |
fe76df42 | 322 | aac_fib_free(fibptr); |
1da177e4 LT |
323 | |
324 | if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) | |
325 | maximum_num_containers = MAXIMUM_NUM_CONTAINERS; | |
1a655040 | 326 | fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers, |
fe76df42 MH |
327 | GFP_KERNEL); |
328 | if (!fsa_dev_ptr) | |
1da177e4 | 329 | return -ENOMEM; |
1da177e4 LT |
330 | |
331 | dev->fsa_dev = fsa_dev_ptr; | |
332 | dev->maximum_num_containers = maximum_num_containers; | |
333 | ||
fe76df42 | 334 | for (index = 0; index < dev->maximum_num_containers; ) { |
1da177e4 LT |
335 | fsa_dev_ptr[index].devname[0] = '\0'; |
336 | ||
fe76df42 | 337 | status = aac_probe_container(dev, index); |
1da177e4 | 338 | |
fe76df42 | 339 | if (status < 0) { |
1da177e4 LT |
340 | printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); |
341 | break; | |
342 | } | |
7a8cf29d | 343 | |
1da177e4 LT |
344 | /* |
345 | * If there are no more containers, then stop asking. | |
346 | */ | |
fe76df42 | 347 | if (++index >= status) |
1da177e4 | 348 | break; |
1da177e4 | 349 | } |
1da177e4 LT |
350 | return status; |
351 | } | |
352 | ||
3b2946cc MH |
353 | static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) |
354 | { | |
355 | void *buf; | |
cab537d6 | 356 | int transfer_len; |
727eead6 FT |
357 | struct scatterlist *sg = scsi_sglist(scsicmd); |
358 | ||
359 | buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; | |
360 | transfer_len = min(sg->length, len + offset); | |
3b2946cc | 361 | |
20235f35 | 362 | transfer_len -= offset; |
cab537d6 | 363 | if (buf && transfer_len > 0) |
20235f35 | 364 | memcpy(buf + offset, data, transfer_len); |
3b2946cc | 365 | |
727eead6 | 366 | kunmap_atomic(buf - sg->offset, KM_IRQ0); |
3b2946cc MH |
367 | |
368 | } | |
369 | ||
1da177e4 LT |
370 | static void get_container_name_callback(void *context, struct fib * fibptr) |
371 | { | |
372 | struct aac_get_name_resp * get_name_reply; | |
373 | struct scsi_cmnd * scsicmd; | |
374 | ||
375 | scsicmd = (struct scsi_cmnd *) context; | |
376 | ||
03d44337 MH |
377 | if (!aac_valid_context(scsicmd, fibptr)) |
378 | return; | |
379 | ||
1da177e4 | 380 | dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); |
125e1874 | 381 | BUG_ON(fibptr == NULL); |
1da177e4 LT |
382 | |
383 | get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); | |
384 | /* Failure is irrelevant, using default value instead */ | |
385 | if ((le32_to_cpu(get_name_reply->status) == CT_OK) | |
386 | && (get_name_reply->data[0] != '\0')) { | |
3b2946cc | 387 | char *sp = get_name_reply->data; |
1da177e4 LT |
388 | sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; |
389 | while (*sp == ' ') | |
390 | ++sp; | |
3b2946cc MH |
391 | if (*sp) { |
392 | char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; | |
393 | int count = sizeof(d); | |
394 | char *dp = d; | |
395 | do { | |
396 | *dp++ = (*sp) ? *sp++ : ' '; | |
397 | } while (--count > 0); | |
398 | aac_internal_transfer(scsicmd, d, | |
399 | offsetof(struct inquiry_data, inqd_pid), sizeof(d)); | |
400 | } | |
1da177e4 | 401 | } |
3b2946cc | 402 | |
1da177e4 LT |
403 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
404 | ||
bfb35aa8 MH |
405 | aac_fib_complete(fibptr); |
406 | aac_fib_free(fibptr); | |
8e0c5ebd | 407 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
408 | } |
409 | ||
410 | /** | |
411 | * aac_get_container_name - get container name, none blocking. | |
412 | */ | |
9e7c349c | 413 | static int aac_get_container_name(struct scsi_cmnd * scsicmd) |
1da177e4 LT |
414 | { |
415 | int status; | |
416 | struct aac_get_name *dinfo; | |
417 | struct fib * cmd_fibcontext; | |
418 | struct aac_dev * dev; | |
419 | ||
420 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
421 | ||
bfb35aa8 | 422 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) |
1da177e4 LT |
423 | return -ENOMEM; |
424 | ||
bfb35aa8 | 425 | aac_fib_init(cmd_fibcontext); |
1da177e4 LT |
426 | dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); |
427 | ||
428 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
429 | dinfo->type = cpu_to_le32(CT_READ_NAME); | |
9e7c349c | 430 | dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); |
1da177e4 LT |
431 | dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); |
432 | ||
bfb35aa8 | 433 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
434 | cmd_fibcontext, |
435 | sizeof (struct aac_get_name), | |
436 | FsaNormal, | |
437 | 0, 1, | |
438 | (fib_callback) get_container_name_callback, | |
439 | (void *) scsicmd); | |
440 | ||
441 | /* | |
442 | * Check that the command queued to the controller | |
443 | */ | |
77d644d4 MH |
444 | if (status == -EINPROGRESS) { |
445 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
1da177e4 | 446 | return 0; |
77d644d4 | 447 | } |
1da177e4 | 448 | |
bfb35aa8 MH |
449 | printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); |
450 | aac_fib_complete(cmd_fibcontext); | |
451 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
452 | return -1; |
453 | } | |
454 | ||
fe76df42 | 455 | static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd) |
1da177e4 | 456 | { |
fe76df42 | 457 | struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev; |
1da177e4 | 458 | |
1a655040 | 459 | if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1)) |
fe76df42 | 460 | return aac_scsi_cmd(scsicmd); |
1da177e4 | 461 | |
fe76df42 MH |
462 | scsicmd->result = DID_NO_CONNECT << 16; |
463 | scsicmd->scsi_done(scsicmd); | |
464 | return 0; | |
465 | } | |
466 | ||
1a655040 | 467 | static void _aac_probe_container2(void * context, struct fib * fibptr) |
fe76df42 | 468 | { |
03d44337 | 469 | struct fsa_dev_info *fsa_dev_ptr; |
fe76df42 | 470 | int (*callback)(struct scsi_cmnd *); |
03d44337 MH |
471 | struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context; |
472 | ||
03d44337 | 473 | |
1a655040 SM |
474 | if (!aac_valid_context(scsicmd, fibptr)) |
475 | return; | |
fe76df42 MH |
476 | |
477 | scsicmd->SCp.Status = 0; | |
1a655040 | 478 | fsa_dev_ptr = fibptr->dev->fsa_dev; |
fe76df42 MH |
479 | if (fsa_dev_ptr) { |
480 | struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr); | |
481 | fsa_dev_ptr += scmd_id(scsicmd); | |
482 | ||
483 | if ((le32_to_cpu(dresp->status) == ST_OK) && | |
484 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && | |
485 | (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { | |
486 | fsa_dev_ptr->valid = 1; | |
487 | fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol); | |
488 | fsa_dev_ptr->size | |
489 | = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) + | |
490 | (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32); | |
491 | fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0); | |
492 | } | |
493 | if ((fsa_dev_ptr->valid & 1) == 0) | |
494 | fsa_dev_ptr->valid = 0; | |
495 | scsicmd->SCp.Status = le32_to_cpu(dresp->count); | |
496 | } | |
497 | aac_fib_complete(fibptr); | |
498 | aac_fib_free(fibptr); | |
499 | callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr); | |
500 | scsicmd->SCp.ptr = NULL; | |
1a655040 SM |
501 | (*callback)(scsicmd); |
502 | return; | |
fe76df42 MH |
503 | } |
504 | ||
1a655040 | 505 | static void _aac_probe_container1(void * context, struct fib * fibptr) |
fe76df42 MH |
506 | { |
507 | struct scsi_cmnd * scsicmd; | |
508 | struct aac_mount * dresp; | |
509 | struct aac_query_mount *dinfo; | |
510 | int status; | |
511 | ||
512 | dresp = (struct aac_mount *) fib_data(fibptr); | |
513 | dresp->mnt[0].capacityhigh = 0; | |
514 | if ((le32_to_cpu(dresp->status) != ST_OK) || | |
1a655040 SM |
515 | (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) { |
516 | _aac_probe_container2(context, fibptr); | |
517 | return; | |
518 | } | |
fe76df42 | 519 | scsicmd = (struct scsi_cmnd *) context; |
1da177e4 | 520 | |
03d44337 | 521 | if (!aac_valid_context(scsicmd, fibptr)) |
1a655040 | 522 | return; |
03d44337 | 523 | |
bfb35aa8 | 524 | aac_fib_init(fibptr); |
1da177e4 LT |
525 | |
526 | dinfo = (struct aac_query_mount *)fib_data(fibptr); | |
527 | ||
fe76df42 MH |
528 | dinfo->command = cpu_to_le32(VM_NameServe64); |
529 | dinfo->count = cpu_to_le32(scmd_id(scsicmd)); | |
1da177e4 LT |
530 | dinfo->type = cpu_to_le32(FT_FILESYS); |
531 | ||
bfb35aa8 | 532 | status = aac_fib_send(ContainerCommand, |
fe76df42 MH |
533 | fibptr, |
534 | sizeof(struct aac_query_mount), | |
535 | FsaNormal, | |
536 | 0, 1, | |
1a655040 | 537 | _aac_probe_container2, |
fe76df42 MH |
538 | (void *) scsicmd); |
539 | /* | |
540 | * Check that the command queued to the controller | |
541 | */ | |
1a655040 | 542 | if (status == -EINPROGRESS) |
fe76df42 | 543 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; |
1a655040 | 544 | else if (status < 0) { |
fe76df42 MH |
545 | /* Inherit results from VM_NameServe, if any */ |
546 | dresp->status = cpu_to_le32(ST_OK); | |
1a655040 | 547 | _aac_probe_container2(context, fibptr); |
1da177e4 | 548 | } |
fe76df42 | 549 | } |
1da177e4 | 550 | |
fe76df42 MH |
551 | static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *)) |
552 | { | |
553 | struct fib * fibptr; | |
554 | int status = -ENOMEM; | |
555 | ||
556 | if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) { | |
557 | struct aac_query_mount *dinfo; | |
558 | ||
559 | aac_fib_init(fibptr); | |
560 | ||
561 | dinfo = (struct aac_query_mount *)fib_data(fibptr); | |
1da177e4 | 562 | |
fe76df42 MH |
563 | dinfo->command = cpu_to_le32(VM_NameServe); |
564 | dinfo->count = cpu_to_le32(scmd_id(scsicmd)); | |
7a8cf29d | 565 | dinfo->type = cpu_to_le32(FT_FILESYS); |
fe76df42 | 566 | scsicmd->SCp.ptr = (char *)callback; |
7a8cf29d | 567 | |
fe76df42 MH |
568 | status = aac_fib_send(ContainerCommand, |
569 | fibptr, | |
570 | sizeof(struct aac_query_mount), | |
571 | FsaNormal, | |
572 | 0, 1, | |
1a655040 | 573 | _aac_probe_container1, |
fe76df42 MH |
574 | (void *) scsicmd); |
575 | /* | |
576 | * Check that the command queued to the controller | |
577 | */ | |
578 | if (status == -EINPROGRESS) { | |
579 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
580 | return 0; | |
581 | } | |
582 | if (status < 0) { | |
583 | scsicmd->SCp.ptr = NULL; | |
584 | aac_fib_complete(fibptr); | |
585 | aac_fib_free(fibptr); | |
586 | } | |
587 | } | |
588 | if (status < 0) { | |
589 | struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev; | |
590 | if (fsa_dev_ptr) { | |
591 | fsa_dev_ptr += scmd_id(scsicmd); | |
592 | if ((fsa_dev_ptr->valid & 1) == 0) { | |
593 | fsa_dev_ptr->valid = 0; | |
594 | return (*callback)(scsicmd); | |
595 | } | |
596 | } | |
1da177e4 | 597 | } |
fe76df42 MH |
598 | return status; |
599 | } | |
1da177e4 | 600 | |
fe76df42 MH |
601 | /** |
602 | * aac_probe_container - query a logical volume | |
603 | * @dev: device to query | |
604 | * @cid: container identifier | |
605 | * | |
606 | * Queries the controller about the given volume. The volume information | |
607 | * is updated in the struct fsa_dev_info structure rather than returned. | |
608 | */ | |
609 | static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd) | |
610 | { | |
611 | scsicmd->device = NULL; | |
612 | return 0; | |
613 | } | |
1da177e4 | 614 | |
fe76df42 MH |
615 | int aac_probe_container(struct aac_dev *dev, int cid) |
616 | { | |
617 | struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL); | |
618 | struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL); | |
619 | int status; | |
620 | ||
621 | if (!scsicmd || !scsidev) { | |
622 | kfree(scsicmd); | |
623 | kfree(scsidev); | |
624 | return -ENOMEM; | |
625 | } | |
626 | scsicmd->list.next = NULL; | |
1a655040 | 627 | scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1; |
fe76df42 MH |
628 | |
629 | scsicmd->device = scsidev; | |
630 | scsidev->sdev_state = 0; | |
631 | scsidev->id = cid; | |
632 | scsidev->host = dev->scsi_host_ptr; | |
633 | ||
634 | if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0) | |
635 | while (scsicmd->device == scsidev) | |
636 | schedule(); | |
802ae2f0 | 637 | kfree(scsidev); |
fe76df42 MH |
638 | status = scsicmd->SCp.Status; |
639 | kfree(scsicmd); | |
1da177e4 LT |
640 | return status; |
641 | } | |
642 | ||
643 | /* Local Structure to set SCSI inquiry data strings */ | |
644 | struct scsi_inq { | |
645 | char vid[8]; /* Vendor ID */ | |
646 | char pid[16]; /* Product ID */ | |
647 | char prl[4]; /* Product Revision Level */ | |
648 | }; | |
649 | ||
650 | /** | |
651 | * InqStrCopy - string merge | |
652 | * @a: string to copy from | |
653 | * @b: string to copy to | |
654 | * | |
655 | * Copy a String from one location to another | |
656 | * without copying \0 | |
657 | */ | |
658 | ||
659 | static void inqstrcpy(char *a, char *b) | |
660 | { | |
661 | ||
662 | while(*a != (char)0) | |
663 | *b++ = *a++; | |
664 | } | |
665 | ||
666 | static char *container_types[] = { | |
667 | "None", | |
668 | "Volume", | |
669 | "Mirror", | |
670 | "Stripe", | |
671 | "RAID5", | |
672 | "SSRW", | |
673 | "SSRO", | |
674 | "Morph", | |
675 | "Legacy", | |
676 | "RAID4", | |
677 | "RAID10", | |
678 | "RAID00", | |
679 | "V-MIRRORS", | |
680 | "PSEUDO R4", | |
681 | "RAID50", | |
84971738 MH |
682 | "RAID5D", |
683 | "RAID5D0", | |
684 | "RAID1E", | |
685 | "RAID6", | |
686 | "RAID60", | |
1da177e4 LT |
687 | "Unknown" |
688 | }; | |
689 | ||
690 | ||
691 | ||
692 | /* Function: setinqstr | |
693 | * | |
694 | * Arguments: [1] pointer to void [1] int | |
695 | * | |
696 | * Purpose: Sets SCSI inquiry data strings for vendor, product | |
697 | * and revision level. Allows strings to be set in platform dependant | |
698 | * files instead of in OS dependant driver source. | |
699 | */ | |
700 | ||
794d0601 | 701 | static void setinqstr(struct aac_dev *dev, void *data, int tindex) |
1da177e4 LT |
702 | { |
703 | struct scsi_inq *str; | |
1da177e4 | 704 | |
1da177e4 | 705 | str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ |
794d0601 MH |
706 | memset(str, ' ', sizeof(*str)); |
707 | ||
708 | if (dev->supplement_adapter_info.AdapterTypeText[0]) { | |
709 | char * cp = dev->supplement_adapter_info.AdapterTypeText; | |
710 | int c = sizeof(str->vid); | |
711 | while (*cp && *cp != ' ' && --c) | |
712 | ++cp; | |
713 | c = *cp; | |
714 | *cp = '\0'; | |
715 | inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, | |
716 | str->vid); | |
717 | *cp = c; | |
718 | while (*cp && *cp != ' ') | |
719 | ++cp; | |
720 | while (*cp == ' ') | |
721 | ++cp; | |
722 | /* last six chars reserved for vol type */ | |
723 | c = 0; | |
724 | if (strlen(cp) > sizeof(str->pid)) { | |
725 | c = cp[sizeof(str->pid)]; | |
726 | cp[sizeof(str->pid)] = '\0'; | |
727 | } | |
728 | inqstrcpy (cp, str->pid); | |
729 | if (c) | |
730 | cp[sizeof(str->pid)] = c; | |
731 | } else { | |
732 | struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype); | |
6391a113 TK |
733 | |
734 | inqstrcpy (mp->vname, str->vid); | |
794d0601 MH |
735 | /* last six chars reserved for vol type */ |
736 | inqstrcpy (mp->model, str->pid); | |
737 | } | |
1da177e4 | 738 | |
6391a113 | 739 | if (tindex < ARRAY_SIZE(container_types)){ |
1da177e4 LT |
740 | char *findit = str->pid; |
741 | ||
742 | for ( ; *findit != ' '; findit++); /* walk till we find a space */ | |
743 | /* RAID is superfluous in the context of a RAID device */ | |
744 | if (memcmp(findit-4, "RAID", 4) == 0) | |
745 | *(findit -= 4) = ' '; | |
794d0601 MH |
746 | if (((findit - str->pid) + strlen(container_types[tindex])) |
747 | < (sizeof(str->pid) + sizeof(str->prl))) | |
748 | inqstrcpy (container_types[tindex], findit + 1); | |
1da177e4 LT |
749 | } |
750 | inqstrcpy ("V1.0", str->prl); | |
751 | } | |
752 | ||
88e2f98e SM |
753 | static void get_container_serial_callback(void *context, struct fib * fibptr) |
754 | { | |
755 | struct aac_get_serial_resp * get_serial_reply; | |
756 | struct scsi_cmnd * scsicmd; | |
757 | ||
758 | BUG_ON(fibptr == NULL); | |
759 | ||
760 | scsicmd = (struct scsi_cmnd *) context; | |
761 | if (!aac_valid_context(scsicmd, fibptr)) | |
762 | return; | |
763 | ||
764 | get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr); | |
765 | /* Failure is irrelevant, using default value instead */ | |
766 | if (le32_to_cpu(get_serial_reply->status) == CT_OK) { | |
767 | char sp[13]; | |
768 | /* EVPD bit set */ | |
769 | sp[0] = INQD_PDT_DA; | |
770 | sp[1] = scsicmd->cmnd[2]; | |
771 | sp[2] = 0; | |
772 | sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X", | |
773 | le32_to_cpu(get_serial_reply->uid)); | |
774 | aac_internal_transfer(scsicmd, sp, 0, sizeof(sp)); | |
775 | } | |
776 | ||
777 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
778 | ||
779 | aac_fib_complete(fibptr); | |
780 | aac_fib_free(fibptr); | |
781 | scsicmd->scsi_done(scsicmd); | |
782 | } | |
783 | ||
784 | /** | |
785 | * aac_get_container_serial - get container serial, none blocking. | |
786 | */ | |
787 | static int aac_get_container_serial(struct scsi_cmnd * scsicmd) | |
788 | { | |
789 | int status; | |
790 | struct aac_get_serial *dinfo; | |
791 | struct fib * cmd_fibcontext; | |
792 | struct aac_dev * dev; | |
793 | ||
794 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
795 | ||
796 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) | |
797 | return -ENOMEM; | |
798 | ||
799 | aac_fib_init(cmd_fibcontext); | |
800 | dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext); | |
801 | ||
802 | dinfo->command = cpu_to_le32(VM_ContainerConfig); | |
803 | dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); | |
804 | dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); | |
805 | ||
806 | status = aac_fib_send(ContainerCommand, | |
807 | cmd_fibcontext, | |
808 | sizeof (struct aac_get_serial), | |
809 | FsaNormal, | |
810 | 0, 1, | |
811 | (fib_callback) get_container_serial_callback, | |
812 | (void *) scsicmd); | |
813 | ||
814 | /* | |
815 | * Check that the command queued to the controller | |
816 | */ | |
817 | if (status == -EINPROGRESS) { | |
818 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
819 | return 0; | |
820 | } | |
821 | ||
822 | printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); | |
823 | aac_fib_complete(cmd_fibcontext); | |
824 | aac_fib_free(cmd_fibcontext); | |
825 | return -1; | |
826 | } | |
827 | ||
828 | /* Function: setinqserial | |
829 | * | |
830 | * Arguments: [1] pointer to void [1] int | |
831 | * | |
832 | * Purpose: Sets SCSI Unit Serial number. | |
833 | * This is a fake. We should read a proper | |
834 | * serial number from the container. <SuSE>But | |
835 | * without docs it's quite hard to do it :-) | |
836 | * So this will have to do in the meantime.</SuSE> | |
837 | */ | |
838 | ||
839 | static int setinqserial(struct aac_dev *dev, void *data, int cid) | |
840 | { | |
841 | /* | |
842 | * This breaks array migration. | |
843 | */ | |
844 | return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X", | |
845 | le32_to_cpu(dev->adapter_info.serial[0]), cid); | |
846 | } | |
847 | ||
4833869e AB |
848 | static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, |
849 | u8 a_sense_code, u8 incorrect_length, | |
850 | u8 bit_pointer, u16 field_pointer, | |
851 | u32 residue) | |
1da177e4 LT |
852 | { |
853 | sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ | |
854 | sense_buf[1] = 0; /* Segment number, always zero */ | |
855 | ||
856 | if (incorrect_length) { | |
857 | sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ | |
858 | sense_buf[3] = BYTE3(residue); | |
859 | sense_buf[4] = BYTE2(residue); | |
860 | sense_buf[5] = BYTE1(residue); | |
861 | sense_buf[6] = BYTE0(residue); | |
862 | } else | |
863 | sense_buf[2] = sense_key; /* Sense key */ | |
864 | ||
865 | if (sense_key == ILLEGAL_REQUEST) | |
866 | sense_buf[7] = 10; /* Additional sense length */ | |
867 | else | |
868 | sense_buf[7] = 6; /* Additional sense length */ | |
869 | ||
870 | sense_buf[12] = sense_code; /* Additional sense code */ | |
871 | sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ | |
872 | if (sense_key == ILLEGAL_REQUEST) { | |
873 | sense_buf[15] = 0; | |
874 | ||
875 | if (sense_code == SENCODE_INVALID_PARAM_FIELD) | |
876 | sense_buf[15] = 0x80;/* Std sense key specific field */ | |
877 | /* Illegal parameter is in the parameter block */ | |
878 | ||
879 | if (sense_code == SENCODE_INVALID_CDB_FIELD) | |
880 | sense_buf[15] = 0xc0;/* Std sense key specific field */ | |
881 | /* Illegal parameter is in the CDB block */ | |
882 | sense_buf[15] |= bit_pointer; | |
883 | sense_buf[16] = field_pointer >> 8; /* MSB */ | |
884 | sense_buf[17] = field_pointer; /* LSB */ | |
885 | } | |
886 | } | |
887 | ||
e8f32de5 MH |
888 | static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) |
889 | { | |
890 | if (lba & 0xffffffff00000000LL) { | |
891 | int cid = scmd_id(cmd); | |
892 | dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); | |
893 | cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | | |
894 | SAM_STAT_CHECK_CONDITION; | |
895 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
896 | HARDWARE_ERROR, | |
897 | SENCODE_INTERNAL_TARGET_FAILURE, | |
898 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
899 | 0, 0); | |
900 | memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
901 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer)) | |
902 | ? sizeof(cmd->sense_buffer) | |
903 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
904 | cmd->scsi_done(cmd); | |
905 | return 1; | |
906 | } | |
907 | return 0; | |
908 | } | |
909 | ||
910 | static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) | |
911 | { | |
912 | return 0; | |
913 | } | |
914 | ||
915 | static void io_callback(void *context, struct fib * fibptr); | |
916 | ||
917 | static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) | |
918 | { | |
919 | u16 fibsize; | |
920 | struct aac_raw_io *readcmd; | |
921 | aac_fib_init(fib); | |
922 | readcmd = (struct aac_raw_io *) fib_data(fib); | |
923 | readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); | |
924 | readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); | |
925 | readcmd->count = cpu_to_le32(count<<9); | |
926 | readcmd->cid = cpu_to_le16(scmd_id(cmd)); | |
9d399cc7 | 927 | readcmd->flags = cpu_to_le16(IO_TYPE_READ); |
e8f32de5 MH |
928 | readcmd->bpTotal = 0; |
929 | readcmd->bpComplete = 0; | |
930 | ||
931 | aac_build_sgraw(cmd, &readcmd->sg); | |
932 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
933 | BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr))); | |
934 | /* | |
935 | * Now send the Fib to the adapter | |
936 | */ | |
937 | return aac_fib_send(ContainerRawIo, | |
938 | fib, | |
939 | fibsize, | |
940 | FsaNormal, | |
941 | 0, 1, | |
942 | (fib_callback) io_callback, | |
943 | (void *) cmd); | |
944 | } | |
945 | ||
946 | static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) | |
947 | { | |
948 | u16 fibsize; | |
949 | struct aac_read64 *readcmd; | |
950 | aac_fib_init(fib); | |
951 | readcmd = (struct aac_read64 *) fib_data(fib); | |
952 | readcmd->command = cpu_to_le32(VM_CtHostRead64); | |
953 | readcmd->cid = cpu_to_le16(scmd_id(cmd)); | |
954 | readcmd->sector_count = cpu_to_le16(count); | |
955 | readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); | |
956 | readcmd->pad = 0; | |
957 | readcmd->flags = 0; | |
958 | ||
959 | aac_build_sg64(cmd, &readcmd->sg); | |
960 | fibsize = sizeof(struct aac_read64) + | |
961 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
962 | sizeof (struct sgentry64)); | |
963 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
964 | sizeof(struct aac_fibhdr))); | |
965 | /* | |
966 | * Now send the Fib to the adapter | |
967 | */ | |
968 | return aac_fib_send(ContainerCommand64, | |
969 | fib, | |
970 | fibsize, | |
971 | FsaNormal, | |
972 | 0, 1, | |
973 | (fib_callback) io_callback, | |
974 | (void *) cmd); | |
975 | } | |
976 | ||
977 | static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) | |
978 | { | |
979 | u16 fibsize; | |
980 | struct aac_read *readcmd; | |
981 | aac_fib_init(fib); | |
982 | readcmd = (struct aac_read *) fib_data(fib); | |
983 | readcmd->command = cpu_to_le32(VM_CtBlockRead); | |
984 | readcmd->cid = cpu_to_le16(scmd_id(cmd)); | |
985 | readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); | |
986 | readcmd->count = cpu_to_le32(count * 512); | |
987 | ||
988 | aac_build_sg(cmd, &readcmd->sg); | |
989 | fibsize = sizeof(struct aac_read) + | |
990 | ((le32_to_cpu(readcmd->sg.count) - 1) * | |
991 | sizeof (struct sgentry)); | |
992 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
993 | sizeof(struct aac_fibhdr))); | |
994 | /* | |
995 | * Now send the Fib to the adapter | |
996 | */ | |
997 | return aac_fib_send(ContainerCommand, | |
998 | fib, | |
999 | fibsize, | |
1000 | FsaNormal, | |
1001 | 0, 1, | |
1002 | (fib_callback) io_callback, | |
1003 | (void *) cmd); | |
1004 | } | |
1005 | ||
9d399cc7 | 1006 | static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) |
e8f32de5 MH |
1007 | { |
1008 | u16 fibsize; | |
1009 | struct aac_raw_io *writecmd; | |
1010 | aac_fib_init(fib); | |
1011 | writecmd = (struct aac_raw_io *) fib_data(fib); | |
1012 | writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); | |
1013 | writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); | |
1014 | writecmd->count = cpu_to_le32(count<<9); | |
1015 | writecmd->cid = cpu_to_le16(scmd_id(cmd)); | |
9d399cc7 SM |
1016 | writecmd->flags = fua ? |
1017 | cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) : | |
1018 | cpu_to_le16(IO_TYPE_WRITE); | |
e8f32de5 MH |
1019 | writecmd->bpTotal = 0; |
1020 | writecmd->bpComplete = 0; | |
1021 | ||
1022 | aac_build_sgraw(cmd, &writecmd->sg); | |
1023 | fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw)); | |
1024 | BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr))); | |
1025 | /* | |
1026 | * Now send the Fib to the adapter | |
1027 | */ | |
1028 | return aac_fib_send(ContainerRawIo, | |
1029 | fib, | |
1030 | fibsize, | |
1031 | FsaNormal, | |
1032 | 0, 1, | |
1033 | (fib_callback) io_callback, | |
1034 | (void *) cmd); | |
1035 | } | |
1036 | ||
9d399cc7 | 1037 | static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) |
e8f32de5 MH |
1038 | { |
1039 | u16 fibsize; | |
1040 | struct aac_write64 *writecmd; | |
1041 | aac_fib_init(fib); | |
1042 | writecmd = (struct aac_write64 *) fib_data(fib); | |
1043 | writecmd->command = cpu_to_le32(VM_CtHostWrite64); | |
1044 | writecmd->cid = cpu_to_le16(scmd_id(cmd)); | |
1045 | writecmd->sector_count = cpu_to_le16(count); | |
1046 | writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); | |
1047 | writecmd->pad = 0; | |
1048 | writecmd->flags = 0; | |
1049 | ||
1050 | aac_build_sg64(cmd, &writecmd->sg); | |
1051 | fibsize = sizeof(struct aac_write64) + | |
1052 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1053 | sizeof (struct sgentry64)); | |
1054 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
1055 | sizeof(struct aac_fibhdr))); | |
1056 | /* | |
1057 | * Now send the Fib to the adapter | |
1058 | */ | |
1059 | return aac_fib_send(ContainerCommand64, | |
1060 | fib, | |
1061 | fibsize, | |
1062 | FsaNormal, | |
1063 | 0, 1, | |
1064 | (fib_callback) io_callback, | |
1065 | (void *) cmd); | |
1066 | } | |
1067 | ||
9d399cc7 | 1068 | static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) |
e8f32de5 MH |
1069 | { |
1070 | u16 fibsize; | |
1071 | struct aac_write *writecmd; | |
1072 | aac_fib_init(fib); | |
1073 | writecmd = (struct aac_write *) fib_data(fib); | |
1074 | writecmd->command = cpu_to_le32(VM_CtBlockWrite); | |
1075 | writecmd->cid = cpu_to_le16(scmd_id(cmd)); | |
1076 | writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); | |
1077 | writecmd->count = cpu_to_le32(count * 512); | |
1078 | writecmd->sg.count = cpu_to_le32(1); | |
1079 | /* ->stable is not used - it did mean which type of write */ | |
1080 | ||
1081 | aac_build_sg(cmd, &writecmd->sg); | |
1082 | fibsize = sizeof(struct aac_write) + | |
1083 | ((le32_to_cpu(writecmd->sg.count) - 1) * | |
1084 | sizeof (struct sgentry)); | |
1085 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
1086 | sizeof(struct aac_fibhdr))); | |
1087 | /* | |
1088 | * Now send the Fib to the adapter | |
1089 | */ | |
1090 | return aac_fib_send(ContainerCommand, | |
1091 | fib, | |
1092 | fibsize, | |
1093 | FsaNormal, | |
1094 | 0, 1, | |
1095 | (fib_callback) io_callback, | |
1096 | (void *) cmd); | |
1097 | } | |
1098 | ||
1099 | static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd) | |
1100 | { | |
1101 | struct aac_srb * srbcmd; | |
1102 | u32 flag; | |
1103 | u32 timeout; | |
1104 | ||
1105 | aac_fib_init(fib); | |
1106 | switch(cmd->sc_data_direction){ | |
1107 | case DMA_TO_DEVICE: | |
1108 | flag = SRB_DataOut; | |
1109 | break; | |
1110 | case DMA_BIDIRECTIONAL: | |
1111 | flag = SRB_DataIn | SRB_DataOut; | |
1112 | break; | |
1113 | case DMA_FROM_DEVICE: | |
1114 | flag = SRB_DataIn; | |
1115 | break; | |
1116 | case DMA_NONE: | |
1117 | default: /* shuts up some versions of gcc */ | |
1118 | flag = SRB_NoDataXfer; | |
1119 | break; | |
1120 | } | |
1121 | ||
1122 | srbcmd = (struct aac_srb*) fib_data(fib); | |
1123 | srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); | |
1124 | srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd))); | |
1125 | srbcmd->id = cpu_to_le32(scmd_id(cmd)); | |
1126 | srbcmd->lun = cpu_to_le32(cmd->device->lun); | |
1127 | srbcmd->flags = cpu_to_le32(flag); | |
1128 | timeout = cmd->timeout_per_command/HZ; | |
1129 | if (timeout == 0) | |
1130 | timeout = 1; | |
1131 | srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds | |
1132 | srbcmd->retry_limit = 0; /* Obsolete parameter */ | |
1133 | srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len); | |
1134 | return srbcmd; | |
1135 | } | |
1136 | ||
1137 | static void aac_srb_callback(void *context, struct fib * fibptr); | |
1138 | ||
1139 | static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd) | |
1140 | { | |
1141 | u16 fibsize; | |
1142 | struct aac_srb * srbcmd = aac_scsi_common(fib, cmd); | |
1143 | ||
1144 | aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg); | |
727eead6 | 1145 | srbcmd->count = cpu_to_le32(scsi_bufflen(cmd)); |
e8f32de5 MH |
1146 | |
1147 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
1148 | memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len); | |
1149 | /* | |
1150 | * Build Scatter/Gather list | |
1151 | */ | |
1152 | fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + | |
1153 | ((le32_to_cpu(srbcmd->sg.count) & 0xff) * | |
1154 | sizeof (struct sgentry64)); | |
1155 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
1156 | sizeof(struct aac_fibhdr))); | |
1157 | ||
1158 | /* | |
1159 | * Now send the Fib to the adapter | |
1160 | */ | |
1161 | return aac_fib_send(ScsiPortCommand64, fib, | |
1162 | fibsize, FsaNormal, 0, 1, | |
1163 | (fib_callback) aac_srb_callback, | |
1164 | (void *) cmd); | |
1165 | } | |
1166 | ||
1167 | static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) | |
1168 | { | |
1169 | u16 fibsize; | |
1170 | struct aac_srb * srbcmd = aac_scsi_common(fib, cmd); | |
1171 | ||
1172 | aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg); | |
727eead6 | 1173 | srbcmd->count = cpu_to_le32(scsi_bufflen(cmd)); |
e8f32de5 MH |
1174 | |
1175 | memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); | |
1176 | memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len); | |
1177 | /* | |
1178 | * Build Scatter/Gather list | |
1179 | */ | |
1180 | fibsize = sizeof (struct aac_srb) + | |
1181 | (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * | |
1182 | sizeof (struct sgentry)); | |
1183 | BUG_ON (fibsize > (fib->dev->max_fib_size - | |
1184 | sizeof(struct aac_fibhdr))); | |
1185 | ||
1186 | /* | |
1187 | * Now send the Fib to the adapter | |
1188 | */ | |
1189 | return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1, | |
1190 | (fib_callback) aac_srb_callback, (void *) cmd); | |
1191 | } | |
1192 | ||
1da177e4 LT |
1193 | int aac_get_adapter_info(struct aac_dev* dev) |
1194 | { | |
1195 | struct fib* fibptr; | |
1da177e4 LT |
1196 | int rcode; |
1197 | u32 tmp; | |
84971738 MH |
1198 | struct aac_adapter_info *info; |
1199 | struct aac_bus_info *command; | |
1200 | struct aac_bus_info_response *bus_info; | |
7c00ffa3 | 1201 | |
bfb35aa8 | 1202 | if (!(fibptr = aac_fib_alloc(dev))) |
1da177e4 LT |
1203 | return -ENOMEM; |
1204 | ||
bfb35aa8 | 1205 | aac_fib_init(fibptr); |
7c00ffa3 MH |
1206 | info = (struct aac_adapter_info *) fib_data(fibptr); |
1207 | memset(info,0,sizeof(*info)); | |
1da177e4 | 1208 | |
bfb35aa8 | 1209 | rcode = aac_fib_send(RequestAdapterInfo, |
7c00ffa3 MH |
1210 | fibptr, |
1211 | sizeof(*info), | |
1212 | FsaNormal, | |
9203344c | 1213 | -1, 1, /* First `interrupt' command uses special wait */ |
7c00ffa3 MH |
1214 | NULL, |
1215 | NULL); | |
1216 | ||
1217 | if (rcode < 0) { | |
bfb35aa8 MH |
1218 | aac_fib_complete(fibptr); |
1219 | aac_fib_free(fibptr); | |
7c00ffa3 MH |
1220 | return rcode; |
1221 | } | |
1222 | memcpy(&dev->adapter_info, info, sizeof(*info)); | |
1da177e4 | 1223 | |
7c00ffa3 MH |
1224 | if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { |
1225 | struct aac_supplement_adapter_info * info; | |
1226 | ||
bfb35aa8 | 1227 | aac_fib_init(fibptr); |
7c00ffa3 MH |
1228 | |
1229 | info = (struct aac_supplement_adapter_info *) fib_data(fibptr); | |
1230 | ||
1231 | memset(info,0,sizeof(*info)); | |
1232 | ||
bfb35aa8 | 1233 | rcode = aac_fib_send(RequestSupplementAdapterInfo, |
7c00ffa3 MH |
1234 | fibptr, |
1235 | sizeof(*info), | |
1236 | FsaNormal, | |
1237 | 1, 1, | |
1238 | NULL, | |
1239 | NULL); | |
1240 | ||
1241 | if (rcode >= 0) | |
1242 | memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); | |
1243 | } | |
1da177e4 | 1244 | |
84971738 MH |
1245 | |
1246 | /* | |
1247 | * GetBusInfo | |
1248 | */ | |
1249 | ||
bfb35aa8 | 1250 | aac_fib_init(fibptr); |
84971738 MH |
1251 | |
1252 | bus_info = (struct aac_bus_info_response *) fib_data(fibptr); | |
1253 | ||
1254 | memset(bus_info, 0, sizeof(*bus_info)); | |
1255 | ||
1256 | command = (struct aac_bus_info *)bus_info; | |
1257 | ||
1258 | command->Command = cpu_to_le32(VM_Ioctl); | |
1259 | command->ObjType = cpu_to_le32(FT_DRIVE); | |
1260 | command->MethodId = cpu_to_le32(1); | |
1261 | command->CtlCmd = cpu_to_le32(GetBusInfo); | |
1262 | ||
bfb35aa8 | 1263 | rcode = aac_fib_send(ContainerCommand, |
84971738 MH |
1264 | fibptr, |
1265 | sizeof (*bus_info), | |
1266 | FsaNormal, | |
1267 | 1, 1, | |
1268 | NULL, NULL); | |
1269 | ||
1270 | if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { | |
1271 | dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); | |
1272 | dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); | |
1273 | } | |
1274 | ||
8c867b25 | 1275 | if (!dev->in_reset) { |
24f02e1d | 1276 | char buffer[16]; |
8c867b25 MH |
1277 | tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
1278 | printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", | |
1da177e4 LT |
1279 | dev->name, |
1280 | dev->id, | |
1281 | tmp>>24, | |
1282 | (tmp>>16)&0xff, | |
1283 | tmp&0xff, | |
7c00ffa3 MH |
1284 | le32_to_cpu(dev->adapter_info.kernelbuild), |
1285 | (int)sizeof(dev->supplement_adapter_info.BuildDate), | |
1286 | dev->supplement_adapter_info.BuildDate); | |
8c867b25 MH |
1287 | tmp = le32_to_cpu(dev->adapter_info.monitorrev); |
1288 | printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", | |
1da177e4 LT |
1289 | dev->name, dev->id, |
1290 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
1291 | le32_to_cpu(dev->adapter_info.monitorbuild)); | |
8c867b25 MH |
1292 | tmp = le32_to_cpu(dev->adapter_info.biosrev); |
1293 | printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", | |
1da177e4 LT |
1294 | dev->name, dev->id, |
1295 | tmp>>24,(tmp>>16)&0xff,tmp&0xff, | |
1296 | le32_to_cpu(dev->adapter_info.biosbuild)); | |
24f02e1d SM |
1297 | buffer[0] = '\0'; |
1298 | if (aac_show_serial_number( | |
1299 | shost_to_class(dev->scsi_host_ptr), buffer)) | |
1300 | printk(KERN_INFO "%s%d: serial %s", | |
1301 | dev->name, dev->id, buffer); | |
a45c863f SM |
1302 | if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) { |
1303 | printk(KERN_INFO "%s%d: TSID %.*s\n", | |
1304 | dev->name, dev->id, | |
1305 | (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid), | |
1306 | dev->supplement_adapter_info.VpdInfo.Tsid); | |
1307 | } | |
87f3bda3 | 1308 | if (!aac_check_reset || |
29c97684 SM |
1309 | (dev->supplement_adapter_info.SupportedOptions2 & |
1310 | le32_to_cpu(AAC_OPTION_IGNORE_RESET))) { | |
1311 | printk(KERN_INFO "%s%d: Reset Adapter Ignored\n", | |
1312 | dev->name, dev->id); | |
1313 | } | |
8c867b25 | 1314 | } |
1da177e4 LT |
1315 | |
1316 | dev->nondasd_support = 0; | |
1317 | dev->raid_scsi_mode = 0; | |
1318 | if(dev->adapter_info.options & AAC_OPT_NONDASD){ | |
1319 | dev->nondasd_support = 1; | |
1320 | } | |
1321 | ||
1322 | /* | |
1323 | * If the firmware supports ROMB RAID/SCSI mode and we are currently | |
1324 | * in RAID/SCSI mode, set the flag. For now if in this mode we will | |
1325 | * force nondasd support on. If we decide to allow the non-dasd flag | |
1326 | * additional changes changes will have to be made to support | |
1327 | * RAID/SCSI. the function aac_scsi_cmd in this module will have to be | |
1328 | * changed to support the new dev->raid_scsi_mode flag instead of | |
1329 | * leaching off of the dev->nondasd_support flag. Also in linit.c the | |
1330 | * function aac_detect will have to be modified where it sets up the | |
1331 | * max number of channels based on the aac->nondasd_support flag only. | |
1332 | */ | |
1333 | if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && | |
1334 | (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { | |
1335 | dev->nondasd_support = 1; | |
1336 | dev->raid_scsi_mode = 1; | |
1337 | } | |
1338 | if (dev->raid_scsi_mode != 0) | |
1339 | printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", | |
1340 | dev->name, dev->id); | |
1341 | ||
1342 | if(nondasd != -1) { | |
1343 | dev->nondasd_support = (nondasd!=0); | |
1344 | } | |
1345 | if(dev->nondasd_support != 0){ | |
1346 | printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); | |
1347 | } | |
1348 | ||
1349 | dev->dac_support = 0; | |
1350 | if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ | |
1351 | printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); | |
1352 | dev->dac_support = 1; | |
1353 | } | |
1354 | ||
1355 | if(dacmode != -1) { | |
1356 | dev->dac_support = (dacmode!=0); | |
1357 | } | |
1358 | if(dev->dac_support != 0) { | |
71e0f32f JB |
1359 | if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && |
1360 | !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { | |
1da177e4 LT |
1361 | printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", |
1362 | dev->name, dev->id); | |
71e0f32f JB |
1363 | } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && |
1364 | !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { | |
1da177e4 LT |
1365 | printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", |
1366 | dev->name, dev->id); | |
1367 | dev->dac_support = 0; | |
1368 | } else { | |
1369 | printk(KERN_WARNING"%s%d: No suitable DMA available.\n", | |
1370 | dev->name, dev->id); | |
1371 | rcode = -ENOMEM; | |
1372 | } | |
1373 | } | |
7c00ffa3 | 1374 | /* |
e8f32de5 MH |
1375 | * Deal with configuring for the individualized limits of each packet |
1376 | * interface. | |
7c00ffa3 | 1377 | */ |
e8f32de5 MH |
1378 | dev->a_ops.adapter_scsi = (dev->dac_support) |
1379 | ? aac_scsi_64 | |
1380 | : aac_scsi_32; | |
1381 | if (dev->raw_io_interface) { | |
1382 | dev->a_ops.adapter_bounds = (dev->raw_io_64) | |
1383 | ? aac_bounds_64 | |
1384 | : aac_bounds_32; | |
1385 | dev->a_ops.adapter_read = aac_read_raw_io; | |
1386 | dev->a_ops.adapter_write = aac_write_raw_io; | |
1387 | } else { | |
1388 | dev->a_ops.adapter_bounds = aac_bounds_32; | |
0e68c003 | 1389 | dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - |
7c00ffa3 | 1390 | sizeof(struct aac_fibhdr) - |
63a70eea MH |
1391 | sizeof(struct aac_write) + sizeof(struct sgentry)) / |
1392 | sizeof(struct sgentry); | |
0e68c003 | 1393 | if (dev->dac_support) { |
e8f32de5 MH |
1394 | dev->a_ops.adapter_read = aac_read_block64; |
1395 | dev->a_ops.adapter_write = aac_write_block64; | |
0e68c003 MH |
1396 | /* |
1397 | * 38 scatter gather elements | |
1398 | */ | |
1399 | dev->scsi_host_ptr->sg_tablesize = | |
1400 | (dev->max_fib_size - | |
1401 | sizeof(struct aac_fibhdr) - | |
1402 | sizeof(struct aac_write64) + | |
63a70eea MH |
1403 | sizeof(struct sgentry64)) / |
1404 | sizeof(struct sgentry64); | |
e8f32de5 MH |
1405 | } else { |
1406 | dev->a_ops.adapter_read = aac_read_block; | |
1407 | dev->a_ops.adapter_write = aac_write_block; | |
0e68c003 MH |
1408 | } |
1409 | dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; | |
1410 | if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { | |
1411 | /* | |
1412 | * Worst case size that could cause sg overflow when | |
1413 | * we break up SG elements that are larger than 64KB. | |
1414 | * Would be nice if we could tell the SCSI layer what | |
1415 | * the maximum SG element size can be. Worst case is | |
1416 | * (sg_tablesize-1) 4KB elements with one 64KB | |
1417 | * element. | |
1418 | * 32bit -> 468 or 238KB 64bit -> 424 or 212KB | |
1419 | */ | |
1420 | dev->scsi_host_ptr->max_sectors = | |
1421 | (dev->scsi_host_ptr->sg_tablesize * 8) + 112; | |
1422 | } | |
7c00ffa3 | 1423 | } |
1da177e4 | 1424 | |
bfb35aa8 MH |
1425 | aac_fib_complete(fibptr); |
1426 | aac_fib_free(fibptr); | |
1da177e4 LT |
1427 | |
1428 | return rcode; | |
1429 | } | |
1430 | ||
1431 | ||
e53cb35a | 1432 | static void io_callback(void *context, struct fib * fibptr) |
1da177e4 LT |
1433 | { |
1434 | struct aac_dev *dev; | |
1435 | struct aac_read_reply *readreply; | |
1436 | struct scsi_cmnd *scsicmd; | |
1da177e4 LT |
1437 | u32 cid; |
1438 | ||
1439 | scsicmd = (struct scsi_cmnd *) context; | |
1440 | ||
03d44337 MH |
1441 | if (!aac_valid_context(scsicmd, fibptr)) |
1442 | return; | |
1443 | ||
1a655040 | 1444 | dev = fibptr->dev; |
e5718774 | 1445 | cid = scmd_id(scsicmd); |
1da177e4 | 1446 | |
7a8cf29d MH |
1447 | if (nblank(dprintk(x))) { |
1448 | u64 lba; | |
1449 | switch (scsicmd->cmnd[0]) { | |
1450 | case WRITE_6: | |
1451 | case READ_6: | |
1452 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | | |
1453 | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1454 | break; | |
1455 | case WRITE_16: | |
1456 | case READ_16: | |
1457 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
1458 | ((u64)scsicmd->cmnd[3] << 48) | | |
1459 | ((u64)scsicmd->cmnd[4] << 40) | | |
1460 | ((u64)scsicmd->cmnd[5] << 32) | | |
1461 | ((u64)scsicmd->cmnd[6] << 24) | | |
1462 | (scsicmd->cmnd[7] << 16) | | |
1463 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1464 | break; | |
1465 | case WRITE_12: | |
1466 | case READ_12: | |
1467 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
1468 | (scsicmd->cmnd[3] << 16) | | |
1469 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1470 | break; | |
1471 | default: | |
1472 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
1473 | (scsicmd->cmnd[3] << 16) | | |
1474 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1475 | break; | |
1476 | } | |
1477 | printk(KERN_DEBUG | |
1478 | "io_callback[cpu %d]: lba = %llu, t = %ld.\n", | |
1479 | smp_processor_id(), (unsigned long long)lba, jiffies); | |
1480 | } | |
1da177e4 | 1481 | |
125e1874 | 1482 | BUG_ON(fibptr == NULL); |
727eead6 FT |
1483 | |
1484 | scsi_dma_unmap(scsicmd); | |
1485 | ||
1da177e4 LT |
1486 | readreply = (struct aac_read_reply *)fib_data(fibptr); |
1487 | if (le32_to_cpu(readreply->status) == ST_OK) | |
1488 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1489 | else { | |
7c00ffa3 | 1490 | #ifdef AAC_DETAILED_STATUS_INFO |
e53cb35a | 1491 | printk(KERN_WARNING "io_callback: io failed, status = %d\n", |
7c00ffa3 MH |
1492 | le32_to_cpu(readreply->status)); |
1493 | #endif | |
1da177e4 LT |
1494 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
1495 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1496 | HARDWARE_ERROR, | |
1497 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1498 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1499 | 0, 0); | |
1500 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1501 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1502 | ? sizeof(scsicmd->sense_buffer) | |
1503 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1504 | } | |
bfb35aa8 MH |
1505 | aac_fib_complete(fibptr); |
1506 | aac_fib_free(fibptr); | |
1da177e4 | 1507 | |
8e0c5ebd | 1508 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
1509 | } |
1510 | ||
9e7c349c | 1511 | static int aac_read(struct scsi_cmnd * scsicmd) |
1da177e4 | 1512 | { |
7a8cf29d | 1513 | u64 lba; |
1da177e4 LT |
1514 | u32 count; |
1515 | int status; | |
1da177e4 LT |
1516 | struct aac_dev *dev; |
1517 | struct fib * cmd_fibcontext; | |
1518 | ||
1519 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1520 | /* | |
1521 | * Get block address and transfer length | |
1522 | */ | |
7a8cf29d MH |
1523 | switch (scsicmd->cmnd[0]) { |
1524 | case READ_6: | |
9e7c349c | 1525 | dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd))); |
1da177e4 | 1526 | |
7a8cf29d MH |
1527 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | |
1528 | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1da177e4 LT |
1529 | count = scsicmd->cmnd[4]; |
1530 | ||
1531 | if (count == 0) | |
1532 | count = 256; | |
7a8cf29d MH |
1533 | break; |
1534 | case READ_16: | |
9e7c349c | 1535 | dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd))); |
7a8cf29d MH |
1536 | |
1537 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
1538 | ((u64)scsicmd->cmnd[3] << 48) | | |
1539 | ((u64)scsicmd->cmnd[4] << 40) | | |
1540 | ((u64)scsicmd->cmnd[5] << 32) | | |
1541 | ((u64)scsicmd->cmnd[6] << 24) | | |
1542 | (scsicmd->cmnd[7] << 16) | | |
1543 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1544 | count = (scsicmd->cmnd[10] << 24) | | |
1545 | (scsicmd->cmnd[11] << 16) | | |
1546 | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; | |
1547 | break; | |
1548 | case READ_12: | |
9e7c349c | 1549 | dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd))); |
7a8cf29d MH |
1550 | |
1551 | lba = ((u64)scsicmd->cmnd[2] << 24) | | |
1552 | (scsicmd->cmnd[3] << 16) | | |
1553 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1554 | count = (scsicmd->cmnd[6] << 24) | | |
1555 | (scsicmd->cmnd[7] << 16) | | |
1556 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1557 | break; | |
1558 | default: | |
9e7c349c | 1559 | dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd))); |
1da177e4 | 1560 | |
7a8cf29d MH |
1561 | lba = ((u64)scsicmd->cmnd[2] << 24) | |
1562 | (scsicmd->cmnd[3] << 16) | | |
1563 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1da177e4 | 1564 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
7a8cf29d | 1565 | break; |
1da177e4 | 1566 | } |
7a8cf29d | 1567 | dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n", |
7c00ffa3 | 1568 | smp_processor_id(), (unsigned long long)lba, jiffies)); |
e8f32de5 | 1569 | if (aac_adapter_bounds(dev,scsicmd,lba)) |
7a8cf29d | 1570 | return 0; |
1da177e4 LT |
1571 | /* |
1572 | * Alocate and initialize a Fib | |
1573 | */ | |
bfb35aa8 | 1574 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 LT |
1575 | return -1; |
1576 | } | |
1577 | ||
e8f32de5 | 1578 | status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); |
1da177e4 LT |
1579 | |
1580 | /* | |
1581 | * Check that the command queued to the controller | |
1582 | */ | |
77d644d4 MH |
1583 | if (status == -EINPROGRESS) { |
1584 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
1da177e4 | 1585 | return 0; |
77d644d4 | 1586 | } |
1da177e4 | 1587 | |
bfb35aa8 | 1588 | printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); |
1da177e4 LT |
1589 | /* |
1590 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1591 | */ | |
1592 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
8e0c5ebd | 1593 | scsicmd->scsi_done(scsicmd); |
bfb35aa8 MH |
1594 | aac_fib_complete(cmd_fibcontext); |
1595 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1596 | return 0; |
1597 | } | |
1598 | ||
9e7c349c | 1599 | static int aac_write(struct scsi_cmnd * scsicmd) |
1da177e4 | 1600 | { |
7a8cf29d | 1601 | u64 lba; |
1da177e4 | 1602 | u32 count; |
9d399cc7 | 1603 | int fua; |
1da177e4 | 1604 | int status; |
1da177e4 LT |
1605 | struct aac_dev *dev; |
1606 | struct fib * cmd_fibcontext; | |
1607 | ||
1608 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
1609 | /* | |
1610 | * Get block address and transfer length | |
1611 | */ | |
1612 | if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ | |
1613 | { | |
1614 | lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; | |
1615 | count = scsicmd->cmnd[4]; | |
1616 | if (count == 0) | |
1617 | count = 256; | |
9d399cc7 | 1618 | fua = 0; |
7a8cf29d | 1619 | } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */ |
9e7c349c | 1620 | dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd))); |
7a8cf29d MH |
1621 | |
1622 | lba = ((u64)scsicmd->cmnd[2] << 56) | | |
1623 | ((u64)scsicmd->cmnd[3] << 48) | | |
1624 | ((u64)scsicmd->cmnd[4] << 40) | | |
1625 | ((u64)scsicmd->cmnd[5] << 32) | | |
1626 | ((u64)scsicmd->cmnd[6] << 24) | | |
1627 | (scsicmd->cmnd[7] << 16) | | |
1628 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
1629 | count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | | |
1630 | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; | |
9d399cc7 | 1631 | fua = scsicmd->cmnd[1] & 0x8; |
7a8cf29d | 1632 | } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */ |
9e7c349c | 1633 | dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd))); |
7a8cf29d MH |
1634 | |
1635 | lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | |
1636 | | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1637 | count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | |
1638 | | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; | |
9d399cc7 | 1639 | fua = scsicmd->cmnd[1] & 0x8; |
1da177e4 | 1640 | } else { |
9e7c349c | 1641 | dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd))); |
7a8cf29d | 1642 | lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; |
1da177e4 | 1643 | count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
9d399cc7 | 1644 | fua = scsicmd->cmnd[1] & 0x8; |
1da177e4 | 1645 | } |
7a8cf29d | 1646 | dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n", |
1da177e4 | 1647 | smp_processor_id(), (unsigned long long)lba, jiffies)); |
e8f32de5 | 1648 | if (aac_adapter_bounds(dev,scsicmd,lba)) |
7a8cf29d | 1649 | return 0; |
1da177e4 LT |
1650 | /* |
1651 | * Allocate and initialize a Fib then setup a BlockWrite command | |
1652 | */ | |
bfb35aa8 | 1653 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 | 1654 | scsicmd->result = DID_ERROR << 16; |
8e0c5ebd | 1655 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
1656 | return 0; |
1657 | } | |
1da177e4 | 1658 | |
9d399cc7 | 1659 | status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); |
1da177e4 LT |
1660 | |
1661 | /* | |
1662 | * Check that the command queued to the controller | |
1663 | */ | |
77d644d4 MH |
1664 | if (status == -EINPROGRESS) { |
1665 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
1da177e4 LT |
1666 | return 0; |
1667 | } | |
1668 | ||
bfb35aa8 | 1669 | printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status); |
1da177e4 LT |
1670 | /* |
1671 | * For some reason, the Fib didn't queue, return QUEUE_FULL | |
1672 | */ | |
1673 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; | |
8e0c5ebd | 1674 | scsicmd->scsi_done(scsicmd); |
1da177e4 | 1675 | |
bfb35aa8 MH |
1676 | aac_fib_complete(cmd_fibcontext); |
1677 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1678 | return 0; |
1679 | } | |
1680 | ||
1681 | static void synchronize_callback(void *context, struct fib *fibptr) | |
1682 | { | |
1683 | struct aac_synchronize_reply *synchronizereply; | |
1684 | struct scsi_cmnd *cmd; | |
1685 | ||
1686 | cmd = context; | |
1687 | ||
03d44337 MH |
1688 | if (!aac_valid_context(cmd, fibptr)) |
1689 | return; | |
1690 | ||
b90f90d2 | 1691 | dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", |
1da177e4 LT |
1692 | smp_processor_id(), jiffies)); |
1693 | BUG_ON(fibptr == NULL); | |
1694 | ||
1695 | ||
1696 | synchronizereply = fib_data(fibptr); | |
1697 | if (le32_to_cpu(synchronizereply->status) == CT_OK) | |
b90f90d2 | 1698 | cmd->result = DID_OK << 16 | |
1da177e4 LT |
1699 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1700 | else { | |
1701 | struct scsi_device *sdev = cmd->device; | |
1a655040 | 1702 | struct aac_dev *dev = fibptr->dev; |
e5718774 | 1703 | u32 cid = sdev_id(sdev); |
b90f90d2 | 1704 | printk(KERN_WARNING |
1da177e4 LT |
1705 | "synchronize_callback: synchronize failed, status = %d\n", |
1706 | le32_to_cpu(synchronizereply->status)); | |
b90f90d2 | 1707 | cmd->result = DID_OK << 16 | |
1da177e4 LT |
1708 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
1709 | set_sense((u8 *)&dev->fsa_dev[cid].sense_data, | |
1710 | HARDWARE_ERROR, | |
1711 | SENCODE_INTERNAL_TARGET_FAILURE, | |
1712 | ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, | |
1713 | 0, 0); | |
1714 | memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
b90f90d2 | 1715 | min(sizeof(dev->fsa_dev[cid].sense_data), |
1da177e4 LT |
1716 | sizeof(cmd->sense_buffer))); |
1717 | } | |
1718 | ||
bfb35aa8 MH |
1719 | aac_fib_complete(fibptr); |
1720 | aac_fib_free(fibptr); | |
8e0c5ebd | 1721 | cmd->scsi_done(cmd); |
1da177e4 LT |
1722 | } |
1723 | ||
9e7c349c | 1724 | static int aac_synchronize(struct scsi_cmnd *scsicmd) |
1da177e4 LT |
1725 | { |
1726 | int status; | |
1727 | struct fib *cmd_fibcontext; | |
1728 | struct aac_synchronize *synchronizecmd; | |
1729 | struct scsi_cmnd *cmd; | |
1730 | struct scsi_device *sdev = scsicmd->device; | |
1731 | int active = 0; | |
90ee3466 | 1732 | struct aac_dev *aac; |
b90f90d2 SM |
1733 | u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | |
1734 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; | |
1735 | u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; | |
1da177e4 LT |
1736 | unsigned long flags; |
1737 | ||
1738 | /* | |
77d644d4 MH |
1739 | * Wait for all outstanding queued commands to complete to this |
1740 | * specific target (block). | |
1da177e4 LT |
1741 | */ |
1742 | spin_lock_irqsave(&sdev->list_lock, flags); | |
1743 | list_for_each_entry(cmd, &sdev->cmd_list, list) | |
b90f90d2 SM |
1744 | if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) { |
1745 | u64 cmnd_lba; | |
1746 | u32 cmnd_count; | |
1747 | ||
1748 | if (cmd->cmnd[0] == WRITE_6) { | |
1749 | cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) | | |
1750 | (cmd->cmnd[2] << 8) | | |
1751 | cmd->cmnd[3]; | |
1752 | cmnd_count = cmd->cmnd[4]; | |
1753 | if (cmnd_count == 0) | |
1754 | cmnd_count = 256; | |
1755 | } else if (cmd->cmnd[0] == WRITE_16) { | |
1756 | cmnd_lba = ((u64)cmd->cmnd[2] << 56) | | |
1757 | ((u64)cmd->cmnd[3] << 48) | | |
1758 | ((u64)cmd->cmnd[4] << 40) | | |
1759 | ((u64)cmd->cmnd[5] << 32) | | |
1760 | ((u64)cmd->cmnd[6] << 24) | | |
1761 | (cmd->cmnd[7] << 16) | | |
1762 | (cmd->cmnd[8] << 8) | | |
1763 | cmd->cmnd[9]; | |
1764 | cmnd_count = (cmd->cmnd[10] << 24) | | |
1765 | (cmd->cmnd[11] << 16) | | |
1766 | (cmd->cmnd[12] << 8) | | |
1767 | cmd->cmnd[13]; | |
1768 | } else if (cmd->cmnd[0] == WRITE_12) { | |
1769 | cmnd_lba = ((u64)cmd->cmnd[2] << 24) | | |
1770 | (cmd->cmnd[3] << 16) | | |
1771 | (cmd->cmnd[4] << 8) | | |
1772 | cmd->cmnd[5]; | |
1773 | cmnd_count = (cmd->cmnd[6] << 24) | | |
1774 | (cmd->cmnd[7] << 16) | | |
1775 | (cmd->cmnd[8] << 8) | | |
1776 | cmd->cmnd[9]; | |
1777 | } else if (cmd->cmnd[0] == WRITE_10) { | |
1778 | cmnd_lba = ((u64)cmd->cmnd[2] << 24) | | |
1779 | (cmd->cmnd[3] << 16) | | |
1780 | (cmd->cmnd[4] << 8) | | |
1781 | cmd->cmnd[5]; | |
1782 | cmnd_count = (cmd->cmnd[7] << 8) | | |
1783 | cmd->cmnd[8]; | |
1784 | } else | |
1785 | continue; | |
1786 | if (((cmnd_lba + cmnd_count) < lba) || | |
1787 | (count && ((lba + count) < cmnd_lba))) | |
1788 | continue; | |
1da177e4 LT |
1789 | ++active; |
1790 | break; | |
1791 | } | |
1792 | ||
1793 | spin_unlock_irqrestore(&sdev->list_lock, flags); | |
1794 | ||
1795 | /* | |
1796 | * Yield the processor (requeue for later) | |
1797 | */ | |
1798 | if (active) | |
1799 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
1800 | ||
90ee3466 | 1801 | aac = (struct aac_dev *)scsicmd->device->host->hostdata; |
8c867b25 MH |
1802 | if (aac->in_reset) |
1803 | return SCSI_MLQUEUE_HOST_BUSY; | |
1804 | ||
1da177e4 | 1805 | /* |
7c00ffa3 | 1806 | * Allocate and initialize a Fib |
1da177e4 | 1807 | */ |
90ee3466 | 1808 | if (!(cmd_fibcontext = aac_fib_alloc(aac))) |
1da177e4 LT |
1809 | return SCSI_MLQUEUE_HOST_BUSY; |
1810 | ||
bfb35aa8 | 1811 | aac_fib_init(cmd_fibcontext); |
1da177e4 LT |
1812 | |
1813 | synchronizecmd = fib_data(cmd_fibcontext); | |
1814 | synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); | |
1815 | synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); | |
9e7c349c | 1816 | synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd)); |
b90f90d2 | 1817 | synchronizecmd->count = |
1da177e4 LT |
1818 | cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); |
1819 | ||
1820 | /* | |
1821 | * Now send the Fib to the adapter | |
1822 | */ | |
bfb35aa8 | 1823 | status = aac_fib_send(ContainerCommand, |
1da177e4 LT |
1824 | cmd_fibcontext, |
1825 | sizeof(struct aac_synchronize), | |
1826 | FsaNormal, | |
1827 | 0, 1, | |
1828 | (fib_callback)synchronize_callback, | |
1829 | (void *)scsicmd); | |
1830 | ||
1831 | /* | |
1832 | * Check that the command queued to the controller | |
1833 | */ | |
77d644d4 MH |
1834 | if (status == -EINPROGRESS) { |
1835 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
1da177e4 | 1836 | return 0; |
77d644d4 | 1837 | } |
1da177e4 | 1838 | |
b90f90d2 | 1839 | printk(KERN_WARNING |
bfb35aa8 MH |
1840 | "aac_synchronize: aac_fib_send failed with status: %d.\n", status); |
1841 | aac_fib_complete(cmd_fibcontext); | |
1842 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
1843 | return SCSI_MLQUEUE_HOST_BUSY; |
1844 | } | |
1845 | ||
1846 | /** | |
1847 | * aac_scsi_cmd() - Process SCSI command | |
1848 | * @scsicmd: SCSI command block | |
1849 | * | |
1850 | * Emulate a SCSI command and queue the required request for the | |
1851 | * aacraid firmware. | |
1852 | */ | |
1853 | ||
1854 | int aac_scsi_cmd(struct scsi_cmnd * scsicmd) | |
1855 | { | |
1a655040 | 1856 | u32 cid; |
1da177e4 LT |
1857 | struct Scsi_Host *host = scsicmd->device->host; |
1858 | struct aac_dev *dev = (struct aac_dev *)host->hostdata; | |
1859 | struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; | |
1da177e4 | 1860 | |
90ee3466 MH |
1861 | if (fsa_dev_ptr == NULL) |
1862 | return -1; | |
1da177e4 LT |
1863 | /* |
1864 | * If the bus, id or lun is out of range, return fail | |
1865 | * Test does not apply to ID 16, the pseudo id for the controller | |
1866 | * itself. | |
1867 | */ | |
1a655040 SM |
1868 | cid = scmd_id(scsicmd); |
1869 | if (cid != host->this_id) { | |
1870 | if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) { | |
1871 | if((cid >= dev->maximum_num_containers) || | |
e5718774 | 1872 | (scsicmd->device->lun != 0)) { |
1da177e4 LT |
1873 | scsicmd->result = DID_NO_CONNECT << 16; |
1874 | scsicmd->scsi_done(scsicmd); | |
1875 | return 0; | |
1876 | } | |
1da177e4 LT |
1877 | |
1878 | /* | |
1879 | * If the target container doesn't exist, it may have | |
1880 | * been newly created | |
1881 | */ | |
1882 | if ((fsa_dev_ptr[cid].valid & 1) == 0) { | |
1883 | switch (scsicmd->cmnd[0]) { | |
7a8cf29d MH |
1884 | case SERVICE_ACTION_IN: |
1885 | if (!(dev->raw_io_interface) || | |
1886 | !(dev->raw_io_64) || | |
1887 | ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) | |
1888 | break; | |
1da177e4 LT |
1889 | case INQUIRY: |
1890 | case READ_CAPACITY: | |
1891 | case TEST_UNIT_READY: | |
8c867b25 MH |
1892 | if (dev->in_reset) |
1893 | return -1; | |
fe76df42 MH |
1894 | return _aac_probe_container(scsicmd, |
1895 | aac_probe_container_callback2); | |
1da177e4 LT |
1896 | default: |
1897 | break; | |
1898 | } | |
1899 | } | |
1da177e4 | 1900 | } else { /* check for physical non-dasd devices */ |
653ba58d | 1901 | if ((dev->nondasd_support == 1) || expose_physicals) { |
8c867b25 MH |
1902 | if (dev->in_reset) |
1903 | return -1; | |
1da177e4 LT |
1904 | return aac_send_srb_fib(scsicmd); |
1905 | } else { | |
1906 | scsicmd->result = DID_NO_CONNECT << 16; | |
1907 | scsicmd->scsi_done(scsicmd); | |
1908 | return 0; | |
1909 | } | |
1910 | } | |
1911 | } | |
1912 | /* | |
1913 | * else Command for the controller itself | |
1914 | */ | |
1915 | else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ | |
1916 | (scsicmd->cmnd[0] != TEST_UNIT_READY)) | |
1917 | { | |
1918 | dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); | |
1919 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
1920 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1921 | ILLEGAL_REQUEST, | |
1922 | SENCODE_INVALID_COMMAND, | |
1923 | ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); | |
1924 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
1925 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
1926 | ? sizeof(scsicmd->sense_buffer) | |
1927 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1928 | scsicmd->scsi_done(scsicmd); | |
1929 | return 0; | |
1930 | } | |
1931 | ||
1932 | ||
1933 | /* Handle commands here that don't really require going out to the adapter */ | |
1934 | switch (scsicmd->cmnd[0]) { | |
1935 | case INQUIRY: | |
1936 | { | |
3b2946cc | 1937 | struct inquiry_data inq_data; |
1da177e4 | 1938 | |
1a655040 | 1939 | dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); |
3b2946cc | 1940 | memset(&inq_data, 0, sizeof (struct inquiry_data)); |
1da177e4 | 1941 | |
88e2f98e SM |
1942 | if (scsicmd->cmnd[1] & 0x1 ) { |
1943 | char *arr = (char *)&inq_data; | |
1944 | ||
1945 | /* EVPD bit set */ | |
1946 | arr[0] = (scmd_id(scsicmd) == host->this_id) ? | |
1947 | INQD_PDT_PROC : INQD_PDT_DA; | |
1948 | if (scsicmd->cmnd[2] == 0) { | |
1949 | /* supported vital product data pages */ | |
1950 | arr[3] = 2; | |
1951 | arr[4] = 0x0; | |
1952 | arr[5] = 0x80; | |
1953 | arr[1] = scsicmd->cmnd[2]; | |
1954 | aac_internal_transfer(scsicmd, &inq_data, 0, | |
1955 | sizeof(inq_data)); | |
1956 | scsicmd->result = DID_OK << 16 | | |
1957 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
1958 | } else if (scsicmd->cmnd[2] == 0x80) { | |
1959 | /* unit serial number page */ | |
1960 | arr[3] = setinqserial(dev, &arr[4], | |
1961 | scmd_id(scsicmd)); | |
1962 | arr[1] = scsicmd->cmnd[2]; | |
1963 | aac_internal_transfer(scsicmd, &inq_data, 0, | |
1964 | sizeof(inq_data)); | |
1965 | return aac_get_container_serial(scsicmd); | |
1966 | } else { | |
1967 | /* vpd page not implemented */ | |
1968 | scsicmd->result = DID_OK << 16 | | |
1969 | COMMAND_COMPLETE << 8 | | |
1970 | SAM_STAT_CHECK_CONDITION; | |
1971 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
1972 | ILLEGAL_REQUEST, | |
1973 | SENCODE_INVALID_CDB_FIELD, | |
1974 | ASENCODE_NO_SENSE, 0, 7, 2, 0); | |
1975 | memcpy(scsicmd->sense_buffer, | |
1976 | &dev->fsa_dev[cid].sense_data, | |
1977 | (sizeof(dev->fsa_dev[cid].sense_data) > | |
1978 | sizeof(scsicmd->sense_buffer)) | |
1979 | ? sizeof(scsicmd->sense_buffer) | |
1980 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
1981 | } | |
1982 | scsicmd->scsi_done(scsicmd); | |
1983 | return 0; | |
1984 | } | |
3b2946cc | 1985 | inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ |
3b2946cc MH |
1986 | 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 */ |
1987 | inq_data.inqd_len = 31; | |
1da177e4 | 1988 | /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ |
3b2946cc | 1989 | inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ |
1da177e4 LT |
1990 | /* |
1991 | * Set the Vendor, Product, and Revision Level | |
1992 | * see: <vendor>.c i.e. aac.c | |
1993 | */ | |
1a655040 | 1994 | if (cid == host->this_id) { |
6391a113 | 1995 | setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types)); |
3b2946cc MH |
1996 | inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ |
1997 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
1da177e4 LT |
1998 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
1999 | scsicmd->scsi_done(scsicmd); | |
2000 | return 0; | |
2001 | } | |
8c867b25 MH |
2002 | if (dev->in_reset) |
2003 | return -1; | |
794d0601 | 2004 | setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); |
3b2946cc MH |
2005 | inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ |
2006 | aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); | |
9e7c349c | 2007 | return aac_get_container_name(scsicmd); |
1da177e4 | 2008 | } |
7a8cf29d MH |
2009 | case SERVICE_ACTION_IN: |
2010 | if (!(dev->raw_io_interface) || | |
2011 | !(dev->raw_io_64) || | |
2012 | ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) | |
2013 | break; | |
2014 | { | |
2015 | u64 capacity; | |
07ce5eba | 2016 | char cp[13]; |
7a8cf29d MH |
2017 | |
2018 | dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n")); | |
2019 | capacity = fsa_dev_ptr[cid].size - 1; | |
7a8cf29d MH |
2020 | cp[0] = (capacity >> 56) & 0xff; |
2021 | cp[1] = (capacity >> 48) & 0xff; | |
2022 | cp[2] = (capacity >> 40) & 0xff; | |
2023 | cp[3] = (capacity >> 32) & 0xff; | |
2024 | cp[4] = (capacity >> 24) & 0xff; | |
2025 | cp[5] = (capacity >> 16) & 0xff; | |
2026 | cp[6] = (capacity >> 8) & 0xff; | |
2027 | cp[7] = (capacity >> 0) & 0xff; | |
2028 | cp[8] = 0; | |
2029 | cp[9] = 0; | |
2030 | cp[10] = 2; | |
2031 | cp[11] = 0; | |
07ce5eba MH |
2032 | cp[12] = 0; |
2033 | aac_internal_transfer(scsicmd, cp, 0, | |
1241f359 | 2034 | min_t(size_t, scsicmd->cmnd[13], sizeof(cp))); |
07ce5eba MH |
2035 | if (sizeof(cp) < scsicmd->cmnd[13]) { |
2036 | unsigned int len, offset = sizeof(cp); | |
2037 | ||
2038 | memset(cp, 0, offset); | |
2039 | do { | |
1241f359 MH |
2040 | len = min_t(size_t, scsicmd->cmnd[13] - offset, |
2041 | sizeof(cp)); | |
07ce5eba MH |
2042 | aac_internal_transfer(scsicmd, cp, offset, len); |
2043 | } while ((offset += len) < scsicmd->cmnd[13]); | |
2044 | } | |
7a8cf29d MH |
2045 | |
2046 | /* Do not cache partition table for arrays */ | |
2047 | scsicmd->device->removable = 1; | |
2048 | ||
2049 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2050 | scsicmd->scsi_done(scsicmd); | |
2051 | ||
2052 | return 0; | |
2053 | } | |
2054 | ||
1da177e4 LT |
2055 | case READ_CAPACITY: |
2056 | { | |
2057 | u32 capacity; | |
3b2946cc | 2058 | char cp[8]; |
1da177e4 LT |
2059 | |
2060 | dprintk((KERN_DEBUG "READ CAPACITY command.\n")); | |
7a8cf29d | 2061 | if (fsa_dev_ptr[cid].size <= 0x100000000ULL) |
1da177e4 LT |
2062 | capacity = fsa_dev_ptr[cid].size - 1; |
2063 | else | |
2064 | capacity = (u32)-1; | |
3b2946cc | 2065 | |
1da177e4 LT |
2066 | cp[0] = (capacity >> 24) & 0xff; |
2067 | cp[1] = (capacity >> 16) & 0xff; | |
2068 | cp[2] = (capacity >> 8) & 0xff; | |
2069 | cp[3] = (capacity >> 0) & 0xff; | |
2070 | cp[4] = 0; | |
2071 | cp[5] = 0; | |
2072 | cp[6] = 2; | |
2073 | cp[7] = 0; | |
3b2946cc | 2074 | aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); |
7a8cf29d MH |
2075 | /* Do not cache partition table for arrays */ |
2076 | scsicmd->device->removable = 1; | |
1da177e4 LT |
2077 | |
2078 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2079 | scsicmd->scsi_done(scsicmd); | |
2080 | ||
2081 | return 0; | |
2082 | } | |
2083 | ||
2084 | case MODE_SENSE: | |
2085 | { | |
9d399cc7 SM |
2086 | char mode_buf[7]; |
2087 | int mode_buf_length = 4; | |
1da177e4 LT |
2088 | |
2089 | dprintk((KERN_DEBUG "MODE SENSE command.\n")); | |
1da177e4 LT |
2090 | mode_buf[0] = 3; /* Mode data length */ |
2091 | mode_buf[1] = 0; /* Medium type - default */ | |
9d399cc7 SM |
2092 | mode_buf[2] = 0; /* Device-specific param, |
2093 | bit 8: 0/1 = write enabled/protected | |
2094 | bit 4: 0/1 = FUA enabled */ | |
2095 | if (dev->raw_io_interface) | |
2096 | mode_buf[2] = 0x10; | |
1da177e4 | 2097 | mode_buf[3] = 0; /* Block descriptor length */ |
9d399cc7 SM |
2098 | if (((scsicmd->cmnd[2] & 0x3f) == 8) || |
2099 | ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) { | |
2100 | mode_buf[0] = 6; | |
2101 | mode_buf[4] = 8; | |
2102 | mode_buf[5] = 1; | |
2103 | mode_buf[6] = 0x04; /* WCE */ | |
2104 | mode_buf_length = 7; | |
2105 | if (mode_buf_length > scsicmd->cmnd[4]) | |
2106 | mode_buf_length = scsicmd->cmnd[4]; | |
2107 | } | |
2108 | aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length); | |
1da177e4 LT |
2109 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
2110 | scsicmd->scsi_done(scsicmd); | |
2111 | ||
2112 | return 0; | |
2113 | } | |
2114 | case MODE_SENSE_10: | |
2115 | { | |
9d399cc7 SM |
2116 | char mode_buf[11]; |
2117 | int mode_buf_length = 8; | |
1da177e4 LT |
2118 | |
2119 | dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); | |
1da177e4 LT |
2120 | mode_buf[0] = 0; /* Mode data length (MSB) */ |
2121 | mode_buf[1] = 6; /* Mode data length (LSB) */ | |
2122 | mode_buf[2] = 0; /* Medium type - default */ | |
9d399cc7 SM |
2123 | mode_buf[3] = 0; /* Device-specific param, |
2124 | bit 8: 0/1 = write enabled/protected | |
2125 | bit 4: 0/1 = FUA enabled */ | |
2126 | if (dev->raw_io_interface) | |
2127 | mode_buf[3] = 0x10; | |
1da177e4 LT |
2128 | mode_buf[4] = 0; /* reserved */ |
2129 | mode_buf[5] = 0; /* reserved */ | |
2130 | mode_buf[6] = 0; /* Block descriptor length (MSB) */ | |
2131 | mode_buf[7] = 0; /* Block descriptor length (LSB) */ | |
9d399cc7 SM |
2132 | if (((scsicmd->cmnd[2] & 0x3f) == 8) || |
2133 | ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) { | |
2134 | mode_buf[1] = 9; | |
2135 | mode_buf[8] = 8; | |
2136 | mode_buf[9] = 1; | |
2137 | mode_buf[10] = 0x04; /* WCE */ | |
2138 | mode_buf_length = 11; | |
2139 | if (mode_buf_length > scsicmd->cmnd[8]) | |
2140 | mode_buf_length = scsicmd->cmnd[8]; | |
2141 | } | |
2142 | aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length); | |
1da177e4 LT |
2143 | |
2144 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2145 | scsicmd->scsi_done(scsicmd); | |
2146 | ||
2147 | return 0; | |
2148 | } | |
2149 | case REQUEST_SENSE: | |
2150 | dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); | |
2151 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); | |
2152 | memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); | |
2153 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2154 | scsicmd->scsi_done(scsicmd); | |
2155 | return 0; | |
2156 | ||
2157 | case ALLOW_MEDIUM_REMOVAL: | |
2158 | dprintk((KERN_DEBUG "LOCK command.\n")); | |
2159 | if (scsicmd->cmnd[4]) | |
2160 | fsa_dev_ptr[cid].locked = 1; | |
2161 | else | |
2162 | fsa_dev_ptr[cid].locked = 0; | |
2163 | ||
2164 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2165 | scsicmd->scsi_done(scsicmd); | |
2166 | return 0; | |
2167 | /* | |
2168 | * These commands are all No-Ops | |
2169 | */ | |
2170 | case TEST_UNIT_READY: | |
2171 | case RESERVE: | |
2172 | case RELEASE: | |
2173 | case REZERO_UNIT: | |
2174 | case REASSIGN_BLOCKS: | |
2175 | case SEEK_10: | |
2176 | case START_STOP: | |
2177 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; | |
2178 | scsicmd->scsi_done(scsicmd); | |
2179 | return 0; | |
2180 | } | |
2181 | ||
2182 | switch (scsicmd->cmnd[0]) | |
2183 | { | |
2184 | case READ_6: | |
2185 | case READ_10: | |
7a8cf29d MH |
2186 | case READ_12: |
2187 | case READ_16: | |
8c867b25 MH |
2188 | if (dev->in_reset) |
2189 | return -1; | |
1da177e4 LT |
2190 | /* |
2191 | * Hack to keep track of ordinal number of the device that | |
2192 | * corresponds to a container. Needed to convert | |
2193 | * containers to /dev/sd device names | |
2194 | */ | |
2195 | ||
7a8cf29d MH |
2196 | if (scsicmd->request->rq_disk) |
2197 | strlcpy(fsa_dev_ptr[cid].devname, | |
2198 | scsicmd->request->rq_disk->disk_name, | |
2199 | min(sizeof(fsa_dev_ptr[cid].devname), | |
2200 | sizeof(scsicmd->request->rq_disk->disk_name) + 1)); | |
77d644d4 | 2201 | |
9e7c349c | 2202 | return aac_read(scsicmd); |
1da177e4 LT |
2203 | |
2204 | case WRITE_6: | |
2205 | case WRITE_10: | |
7a8cf29d MH |
2206 | case WRITE_12: |
2207 | case WRITE_16: | |
8c867b25 MH |
2208 | if (dev->in_reset) |
2209 | return -1; | |
9e7c349c | 2210 | return aac_write(scsicmd); |
1da177e4 LT |
2211 | |
2212 | case SYNCHRONIZE_CACHE: | |
2213 | /* Issue FIB to tell Firmware to flush it's cache */ | |
9e7c349c | 2214 | return aac_synchronize(scsicmd); |
1da177e4 LT |
2215 | |
2216 | default: | |
2217 | /* | |
2218 | * Unhandled commands | |
2219 | */ | |
7c00ffa3 | 2220 | dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); |
1da177e4 LT |
2221 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
2222 | set_sense((u8 *) &dev->fsa_dev[cid].sense_data, | |
2223 | ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, | |
2224 | ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); | |
2225 | memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, | |
2226 | (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) | |
2227 | ? sizeof(scsicmd->sense_buffer) | |
2228 | : sizeof(dev->fsa_dev[cid].sense_data)); | |
2229 | scsicmd->scsi_done(scsicmd); | |
2230 | return 0; | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | static int query_disk(struct aac_dev *dev, void __user *arg) | |
2235 | { | |
2236 | struct aac_query_disk qd; | |
2237 | struct fsa_dev_info *fsa_dev_ptr; | |
2238 | ||
2239 | fsa_dev_ptr = dev->fsa_dev; | |
90ee3466 | 2240 | if (!fsa_dev_ptr) |
65101355 | 2241 | return -EBUSY; |
1da177e4 LT |
2242 | if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) |
2243 | return -EFAULT; | |
2244 | if (qd.cnum == -1) | |
e5718774 | 2245 | qd.cnum = qd.id; |
1da177e4 LT |
2246 | else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) |
2247 | { | |
2248 | if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) | |
2249 | return -EINVAL; | |
2250 | qd.instance = dev->scsi_host_ptr->host_no; | |
2251 | qd.bus = 0; | |
2252 | qd.id = CONTAINER_TO_ID(qd.cnum); | |
2253 | qd.lun = CONTAINER_TO_LUN(qd.cnum); | |
2254 | } | |
2255 | else return -EINVAL; | |
2256 | ||
fd622b1b | 2257 | qd.valid = fsa_dev_ptr[qd.cnum].valid != 0; |
1da177e4 LT |
2258 | qd.locked = fsa_dev_ptr[qd.cnum].locked; |
2259 | qd.deleted = fsa_dev_ptr[qd.cnum].deleted; | |
2260 | ||
2261 | if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') | |
2262 | qd.unmapped = 1; | |
2263 | else | |
2264 | qd.unmapped = 0; | |
2265 | ||
2266 | strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, | |
2267 | min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); | |
2268 | ||
2269 | if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) | |
2270 | return -EFAULT; | |
2271 | return 0; | |
2272 | } | |
2273 | ||
2274 | static int force_delete_disk(struct aac_dev *dev, void __user *arg) | |
2275 | { | |
2276 | struct aac_delete_disk dd; | |
2277 | struct fsa_dev_info *fsa_dev_ptr; | |
2278 | ||
2279 | fsa_dev_ptr = dev->fsa_dev; | |
65101355 MH |
2280 | if (!fsa_dev_ptr) |
2281 | return -EBUSY; | |
1da177e4 LT |
2282 | |
2283 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
2284 | return -EFAULT; | |
2285 | ||
2286 | if (dd.cnum >= dev->maximum_num_containers) | |
2287 | return -EINVAL; | |
2288 | /* | |
2289 | * Mark this container as being deleted. | |
2290 | */ | |
2291 | fsa_dev_ptr[dd.cnum].deleted = 1; | |
2292 | /* | |
2293 | * Mark the container as no longer valid | |
2294 | */ | |
2295 | fsa_dev_ptr[dd.cnum].valid = 0; | |
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | static int delete_disk(struct aac_dev *dev, void __user *arg) | |
2300 | { | |
2301 | struct aac_delete_disk dd; | |
2302 | struct fsa_dev_info *fsa_dev_ptr; | |
2303 | ||
2304 | fsa_dev_ptr = dev->fsa_dev; | |
90ee3466 | 2305 | if (!fsa_dev_ptr) |
65101355 | 2306 | return -EBUSY; |
1da177e4 LT |
2307 | |
2308 | if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) | |
2309 | return -EFAULT; | |
2310 | ||
2311 | if (dd.cnum >= dev->maximum_num_containers) | |
2312 | return -EINVAL; | |
2313 | /* | |
2314 | * If the container is locked, it can not be deleted by the API. | |
2315 | */ | |
2316 | if (fsa_dev_ptr[dd.cnum].locked) | |
2317 | return -EBUSY; | |
2318 | else { | |
2319 | /* | |
2320 | * Mark the container as no longer being valid. | |
2321 | */ | |
2322 | fsa_dev_ptr[dd.cnum].valid = 0; | |
2323 | fsa_dev_ptr[dd.cnum].devname[0] = '\0'; | |
2324 | return 0; | |
2325 | } | |
2326 | } | |
2327 | ||
2328 | int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) | |
2329 | { | |
2330 | switch (cmd) { | |
2331 | case FSACTL_QUERY_DISK: | |
2332 | return query_disk(dev, arg); | |
2333 | case FSACTL_DELETE_DISK: | |
2334 | return delete_disk(dev, arg); | |
2335 | case FSACTL_FORCE_DELETE_DISK: | |
2336 | return force_delete_disk(dev, arg); | |
2337 | case FSACTL_GET_CONTAINERS: | |
2338 | return aac_get_containers(dev); | |
2339 | default: | |
2340 | return -ENOTTY; | |
2341 | } | |
2342 | } | |
2343 | ||
2344 | /** | |
2345 | * | |
2346 | * aac_srb_callback | |
2347 | * @context: the context set in the fib - here it is scsi cmd | |
2348 | * @fibptr: pointer to the fib | |
2349 | * | |
2350 | * Handles the completion of a scsi command to a non dasd device | |
2351 | * | |
2352 | */ | |
2353 | ||
2354 | static void aac_srb_callback(void *context, struct fib * fibptr) | |
2355 | { | |
2356 | struct aac_dev *dev; | |
2357 | struct aac_srb_reply *srbreply; | |
2358 | struct scsi_cmnd *scsicmd; | |
2359 | ||
2360 | scsicmd = (struct scsi_cmnd *) context; | |
03d44337 MH |
2361 | |
2362 | if (!aac_valid_context(scsicmd, fibptr)) | |
2363 | return; | |
2364 | ||
125e1874 | 2365 | BUG_ON(fibptr == NULL); |
1da177e4 | 2366 | |
1a655040 SM |
2367 | dev = fibptr->dev; |
2368 | ||
1da177e4 LT |
2369 | srbreply = (struct aac_srb_reply *) fib_data(fibptr); |
2370 | ||
2371 | scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ | |
2372 | /* | |
2373 | * Calculate resid for sg | |
2374 | */ | |
727eead6 FT |
2375 | |
2376 | scsi_set_resid(scsicmd, scsi_bufflen(scsicmd) | |
2377 | - le32_to_cpu(srbreply->data_xfer_length)); | |
2378 | ||
2379 | scsi_dma_unmap(scsicmd); | |
1da177e4 LT |
2380 | |
2381 | /* | |
2382 | * First check the fib status | |
2383 | */ | |
2384 | ||
2385 | if (le32_to_cpu(srbreply->status) != ST_OK){ | |
2386 | int len; | |
2387 | printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); | |
2388 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
2389 | sizeof(scsicmd->sense_buffer)) ? | |
2390 | sizeof(scsicmd->sense_buffer) : | |
2391 | le32_to_cpu(srbreply->sense_data_size); | |
2392 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; | |
2393 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
2394 | } | |
2395 | ||
2396 | /* | |
2397 | * Next check the srb status | |
2398 | */ | |
2399 | switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ | |
2400 | case SRB_STATUS_ERROR_RECOVERY: | |
2401 | case SRB_STATUS_PENDING: | |
2402 | case SRB_STATUS_SUCCESS: | |
bb08f92e | 2403 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
1da177e4 LT |
2404 | break; |
2405 | case SRB_STATUS_DATA_OVERRUN: | |
2406 | switch(scsicmd->cmnd[0]){ | |
2407 | case READ_6: | |
2408 | case WRITE_6: | |
2409 | case READ_10: | |
2410 | case WRITE_10: | |
2411 | case READ_12: | |
2412 | case WRITE_12: | |
7a8cf29d MH |
2413 | case READ_16: |
2414 | case WRITE_16: | |
1da177e4 LT |
2415 | if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { |
2416 | printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); | |
2417 | } else { | |
2418 | printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); | |
2419 | } | |
2420 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
2421 | break; | |
2422 | case INQUIRY: { | |
bb08f92e | 2423 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
1da177e4 LT |
2424 | break; |
2425 | } | |
2426 | default: | |
2427 | scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; | |
2428 | break; | |
2429 | } | |
2430 | break; | |
2431 | case SRB_STATUS_ABORTED: | |
2432 | scsicmd->result = DID_ABORT << 16 | ABORT << 8; | |
2433 | break; | |
2434 | case SRB_STATUS_ABORT_FAILED: | |
2435 | // Not sure about this one - but assuming the hba was trying to abort for some reason | |
2436 | scsicmd->result = DID_ERROR << 16 | ABORT << 8; | |
2437 | break; | |
2438 | case SRB_STATUS_PARITY_ERROR: | |
2439 | scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; | |
2440 | break; | |
2441 | case SRB_STATUS_NO_DEVICE: | |
2442 | case SRB_STATUS_INVALID_PATH_ID: | |
2443 | case SRB_STATUS_INVALID_TARGET_ID: | |
2444 | case SRB_STATUS_INVALID_LUN: | |
2445 | case SRB_STATUS_SELECTION_TIMEOUT: | |
2446 | scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; | |
2447 | break; | |
2448 | ||
2449 | case SRB_STATUS_COMMAND_TIMEOUT: | |
2450 | case SRB_STATUS_TIMEOUT: | |
2451 | scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; | |
2452 | break; | |
2453 | ||
2454 | case SRB_STATUS_BUSY: | |
760af100 | 2455 | scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8; |
1da177e4 LT |
2456 | break; |
2457 | ||
2458 | case SRB_STATUS_BUS_RESET: | |
2459 | scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; | |
2460 | break; | |
2461 | ||
2462 | case SRB_STATUS_MESSAGE_REJECTED: | |
2463 | scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; | |
2464 | break; | |
2465 | case SRB_STATUS_REQUEST_FLUSHED: | |
2466 | case SRB_STATUS_ERROR: | |
2467 | case SRB_STATUS_INVALID_REQUEST: | |
2468 | case SRB_STATUS_REQUEST_SENSE_FAILED: | |
2469 | case SRB_STATUS_NO_HBA: | |
2470 | case SRB_STATUS_UNEXPECTED_BUS_FREE: | |
2471 | case SRB_STATUS_PHASE_SEQUENCE_FAILURE: | |
2472 | case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: | |
2473 | case SRB_STATUS_DELAYED_RETRY: | |
2474 | case SRB_STATUS_BAD_FUNCTION: | |
2475 | case SRB_STATUS_NOT_STARTED: | |
2476 | case SRB_STATUS_NOT_IN_USE: | |
2477 | case SRB_STATUS_FORCE_ABORT: | |
2478 | case SRB_STATUS_DOMAIN_VALIDATION_FAIL: | |
2479 | default: | |
2480 | #ifdef AAC_DETAILED_STATUS_INFO | |
2481 | printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", | |
2482 | le32_to_cpu(srbreply->srb_status) & 0x3F, | |
2483 | aac_get_status_string( | |
2484 | le32_to_cpu(srbreply->srb_status) & 0x3F), | |
2485 | scsicmd->cmnd[0], | |
2486 | le32_to_cpu(srbreply->scsi_status)); | |
2487 | #endif | |
2488 | scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; | |
2489 | break; | |
2490 | } | |
2491 | if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition | |
2492 | int len; | |
2493 | scsicmd->result |= SAM_STAT_CHECK_CONDITION; | |
2494 | len = (le32_to_cpu(srbreply->sense_data_size) > | |
2495 | sizeof(scsicmd->sense_buffer)) ? | |
2496 | sizeof(scsicmd->sense_buffer) : | |
2497 | le32_to_cpu(srbreply->sense_data_size); | |
2498 | #ifdef AAC_DETAILED_STATUS_INFO | |
7a8cf29d MH |
2499 | printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", |
2500 | le32_to_cpu(srbreply->status), len); | |
1da177e4 LT |
2501 | #endif |
2502 | memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); | |
2503 | ||
2504 | } | |
2505 | /* | |
2506 | * OR in the scsi status (already shifted up a bit) | |
2507 | */ | |
2508 | scsicmd->result |= le32_to_cpu(srbreply->scsi_status); | |
2509 | ||
bfb35aa8 MH |
2510 | aac_fib_complete(fibptr); |
2511 | aac_fib_free(fibptr); | |
8e0c5ebd | 2512 | scsicmd->scsi_done(scsicmd); |
1da177e4 LT |
2513 | } |
2514 | ||
2515 | /** | |
2516 | * | |
2517 | * aac_send_scb_fib | |
2518 | * @scsicmd: the scsi command block | |
2519 | * | |
2520 | * This routine will form a FIB and fill in the aac_srb from the | |
2521 | * scsicmd passed in. | |
2522 | */ | |
2523 | ||
2524 | static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) | |
2525 | { | |
2526 | struct fib* cmd_fibcontext; | |
2527 | struct aac_dev* dev; | |
2528 | int status; | |
1da177e4 | 2529 | |
84971738 | 2530 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
e5718774 | 2531 | if (scmd_id(scsicmd) >= dev->maximum_num_physicals || |
84971738 | 2532 | scsicmd->device->lun > 7) { |
1da177e4 LT |
2533 | scsicmd->result = DID_NO_CONNECT << 16; |
2534 | scsicmd->scsi_done(scsicmd); | |
2535 | return 0; | |
2536 | } | |
2537 | ||
1da177e4 LT |
2538 | /* |
2539 | * Allocate and initialize a Fib then setup a BlockWrite command | |
2540 | */ | |
bfb35aa8 | 2541 | if (!(cmd_fibcontext = aac_fib_alloc(dev))) { |
1da177e4 LT |
2542 | return -1; |
2543 | } | |
e8f32de5 | 2544 | status = aac_adapter_scsi(cmd_fibcontext, scsicmd); |
1da177e4 | 2545 | |
1da177e4 LT |
2546 | /* |
2547 | * Check that the command queued to the controller | |
2548 | */ | |
77d644d4 MH |
2549 | if (status == -EINPROGRESS) { |
2550 | scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; | |
1da177e4 LT |
2551 | return 0; |
2552 | } | |
2553 | ||
bfb35aa8 MH |
2554 | printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status); |
2555 | aac_fib_complete(cmd_fibcontext); | |
2556 | aac_fib_free(cmd_fibcontext); | |
1da177e4 LT |
2557 | |
2558 | return -1; | |
2559 | } | |
2560 | ||
2561 | static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) | |
2562 | { | |
2563 | struct aac_dev *dev; | |
2564 | unsigned long byte_count = 0; | |
727eead6 | 2565 | int nseg; |
1da177e4 LT |
2566 | |
2567 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2568 | // Get rid of old data | |
2569 | psg->count = 0; | |
2570 | psg->sg[0].addr = 0; | |
727eead6 FT |
2571 | psg->sg[0].count = 0; |
2572 | ||
2573 | nseg = scsi_dma_map(scsicmd); | |
2574 | BUG_ON(nseg < 0); | |
2575 | if (nseg) { | |
1da177e4 LT |
2576 | struct scatterlist *sg; |
2577 | int i; | |
1da177e4 | 2578 | |
727eead6 | 2579 | psg->count = cpu_to_le32(nseg); |
1da177e4 | 2580 | |
727eead6 | 2581 | scsi_for_each_sg(scsicmd, sg, nseg, i) { |
1da177e4 LT |
2582 | psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); |
2583 | psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); | |
2584 | byte_count += sg_dma_len(sg); | |
1da177e4 LT |
2585 | } |
2586 | /* hba wants the size to be exact */ | |
727eead6 FT |
2587 | if (byte_count > scsi_bufflen(scsicmd)) { |
2588 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - | |
2589 | (byte_count - scsi_bufflen(scsicmd)); | |
56b58712 | 2590 | psg->sg[i-1].count = cpu_to_le32(temp); |
727eead6 | 2591 | byte_count = scsi_bufflen(scsicmd); |
1da177e4 LT |
2592 | } |
2593 | /* Check for command underflow */ | |
2594 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2595 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2596 | byte_count, scsicmd->underflow); | |
2597 | } | |
2598 | } | |
1da177e4 LT |
2599 | return byte_count; |
2600 | } | |
2601 | ||
2602 | ||
2603 | static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) | |
2604 | { | |
2605 | struct aac_dev *dev; | |
2606 | unsigned long byte_count = 0; | |
56b58712 | 2607 | u64 addr; |
727eead6 | 2608 | int nseg; |
1da177e4 LT |
2609 | |
2610 | dev = (struct aac_dev *)scsicmd->device->host->hostdata; | |
2611 | // Get rid of old data | |
2612 | psg->count = 0; | |
2613 | psg->sg[0].addr[0] = 0; | |
2614 | psg->sg[0].addr[1] = 0; | |
2615 | psg->sg[0].count = 0; | |
727eead6 FT |
2616 | |
2617 | nseg = scsi_dma_map(scsicmd); | |
2618 | BUG_ON(nseg < 0); | |
2619 | if (nseg) { | |
1da177e4 LT |
2620 | struct scatterlist *sg; |
2621 | int i; | |
1da177e4 | 2622 | |
727eead6 | 2623 | scsi_for_each_sg(scsicmd, sg, nseg, i) { |
1241f359 | 2624 | int count = sg_dma_len(sg); |
56b58712 MH |
2625 | addr = sg_dma_address(sg); |
2626 | psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); | |
2627 | psg->sg[i].addr[1] = cpu_to_le32(addr>>32); | |
1241f359 MH |
2628 | psg->sg[i].count = cpu_to_le32(count); |
2629 | byte_count += count; | |
1da177e4 | 2630 | } |
727eead6 | 2631 | psg->count = cpu_to_le32(nseg); |
1da177e4 | 2632 | /* hba wants the size to be exact */ |
727eead6 FT |
2633 | if (byte_count > scsi_bufflen(scsicmd)) { |
2634 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - | |
2635 | (byte_count - scsi_bufflen(scsicmd)); | |
56b58712 | 2636 | psg->sg[i-1].count = cpu_to_le32(temp); |
727eead6 | 2637 | byte_count = scsi_bufflen(scsicmd); |
1da177e4 LT |
2638 | } |
2639 | /* Check for command underflow */ | |
2640 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2641 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2642 | byte_count, scsicmd->underflow); | |
2643 | } | |
2644 | } | |
1da177e4 LT |
2645 | return byte_count; |
2646 | } | |
2647 | ||
0e68c003 MH |
2648 | static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg) |
2649 | { | |
0e68c003 | 2650 | unsigned long byte_count = 0; |
727eead6 | 2651 | int nseg; |
0e68c003 MH |
2652 | |
2653 | // Get rid of old data | |
2654 | psg->count = 0; | |
2655 | psg->sg[0].next = 0; | |
2656 | psg->sg[0].prev = 0; | |
2657 | psg->sg[0].addr[0] = 0; | |
2658 | psg->sg[0].addr[1] = 0; | |
2659 | psg->sg[0].count = 0; | |
2660 | psg->sg[0].flags = 0; | |
727eead6 FT |
2661 | |
2662 | nseg = scsi_dma_map(scsicmd); | |
2663 | BUG_ON(nseg < 0); | |
2664 | if (nseg) { | |
0e68c003 MH |
2665 | struct scatterlist *sg; |
2666 | int i; | |
0e68c003 | 2667 | |
727eead6 | 2668 | scsi_for_each_sg(scsicmd, sg, nseg, i) { |
0e68c003 MH |
2669 | int count = sg_dma_len(sg); |
2670 | u64 addr = sg_dma_address(sg); | |
2671 | psg->sg[i].next = 0; | |
2672 | psg->sg[i].prev = 0; | |
2673 | psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); | |
2674 | psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); | |
2675 | psg->sg[i].count = cpu_to_le32(count); | |
2676 | psg->sg[i].flags = 0; | |
2677 | byte_count += count; | |
0e68c003 | 2678 | } |
727eead6 | 2679 | psg->count = cpu_to_le32(nseg); |
0e68c003 | 2680 | /* hba wants the size to be exact */ |
727eead6 FT |
2681 | if (byte_count > scsi_bufflen(scsicmd)) { |
2682 | u32 temp = le32_to_cpu(psg->sg[i-1].count) - | |
2683 | (byte_count - scsi_bufflen(scsicmd)); | |
0e68c003 | 2684 | psg->sg[i-1].count = cpu_to_le32(temp); |
727eead6 | 2685 | byte_count = scsi_bufflen(scsicmd); |
0e68c003 MH |
2686 | } |
2687 | /* Check for command underflow */ | |
2688 | if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ | |
2689 | printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", | |
2690 | byte_count, scsicmd->underflow); | |
2691 | } | |
2692 | } | |
0e68c003 MH |
2693 | return byte_count; |
2694 | } | |
2695 | ||
1da177e4 LT |
2696 | #ifdef AAC_DETAILED_STATUS_INFO |
2697 | ||
2698 | struct aac_srb_status_info { | |
2699 | u32 status; | |
2700 | char *str; | |
2701 | }; | |
2702 | ||
2703 | ||
2704 | static struct aac_srb_status_info srb_status_info[] = { | |
2705 | { SRB_STATUS_PENDING, "Pending Status"}, | |
2706 | { SRB_STATUS_SUCCESS, "Success"}, | |
2707 | { SRB_STATUS_ABORTED, "Aborted Command"}, | |
2708 | { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, | |
6391a113 | 2709 | { SRB_STATUS_ERROR, "Error Event"}, |
1da177e4 LT |
2710 | { SRB_STATUS_BUSY, "Device Busy"}, |
2711 | { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, | |
2712 | { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, | |
2713 | { SRB_STATUS_NO_DEVICE, "No Device"}, | |
2714 | { SRB_STATUS_TIMEOUT, "Timeout"}, | |
2715 | { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, | |
2716 | { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, | |
2717 | { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, | |
2718 | { SRB_STATUS_BUS_RESET, "Bus Reset"}, | |
2719 | { SRB_STATUS_PARITY_ERROR, "Parity Error"}, | |
2720 | { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, | |
2721 | { SRB_STATUS_NO_HBA, "No HBA"}, | |
2722 | { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, | |
2723 | { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, | |
2724 | { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, | |
2725 | { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, | |
2726 | { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, | |
2727 | { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, | |
6391a113 | 2728 | { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, |
1da177e4 LT |
2729 | { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, |
2730 | { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, | |
2731 | { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, | |
2732 | { SRB_STATUS_NOT_STARTED, "Not Started"}, | |
2733 | { SRB_STATUS_NOT_IN_USE, "Not In Use"}, | |
2734 | { SRB_STATUS_FORCE_ABORT, "Force Abort"}, | |
2735 | { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, | |
2736 | { 0xff, "Unknown Error"} | |
2737 | }; | |
2738 | ||
2739 | char *aac_get_status_string(u32 status) | |
2740 | { | |
2741 | int i; | |
2742 | ||
6391a113 TK |
2743 | for (i = 0; i < ARRAY_SIZE(srb_status_info); i++) |
2744 | if (srb_status_info[i].status == status) | |
1da177e4 | 2745 | return srb_status_info[i].str; |
1da177e4 LT |
2746 | |
2747 | return "Bad Status Code"; | |
2748 | } | |
2749 | ||
2750 | #endif |