dbf9bfe6 |
1 | /* |
2 | * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver |
3 | * |
4 | * Copyright (c) 2008-2009 USI Co., Ltd. |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions, and the following disclaimer, |
12 | * without modification. |
13 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
14 | * substantially similar to the "NO WARRANTY" disclaimer below |
15 | * ("Disclaimer") and any redistribution must be conditioned upon |
16 | * including a substantially similar Disclaimer requirement for further |
17 | * binary redistribution. |
18 | * 3. Neither the names of the above-listed copyright holders nor the names |
19 | * of any contributors may be used to endorse or promote products derived |
20 | * from this software without specific prior written permission. |
21 | * |
22 | * Alternatively, this software may be distributed under the terms of the |
23 | * GNU General Public License ("GPL") version 2 as published by the Free |
24 | * Software Foundation. |
25 | * |
26 | * NO WARRANTY |
27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
30 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
31 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
35 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
36 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
37 | * POSSIBILITY OF SUCH DAMAGES. |
38 | * |
39 | */ |
40 | #include <linux/firmware.h> |
5a0e3ad6 |
41 | #include <linux/slab.h> |
dbf9bfe6 |
42 | #include "pm8001_sas.h" |
43 | #include "pm8001_ctl.h" |
44 | |
45 | /* scsi host attributes */ |
46 | |
47 | /** |
48 | * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number |
49 | * @cdev: pointer to embedded class device |
50 | * @buf: the buffer returned |
51 | * |
52 | * A sysfs 'read-only' shost attribute. |
53 | */ |
54 | static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev, |
55 | struct device_attribute *attr, char *buf) |
56 | { |
57 | struct Scsi_Host *shost = class_to_shost(cdev); |
58 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
59 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
60 | |
61 | return snprintf(buf, PAGE_SIZE, "%d\n", |
62 | pm8001_ha->main_cfg_tbl.interface_rev); |
63 | } |
64 | static |
65 | DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); |
66 | |
67 | /** |
68 | * pm8001_ctl_fw_version_show - firmware version |
69 | * @cdev: pointer to embedded class device |
70 | * @buf: the buffer returned |
71 | * |
72 | * A sysfs 'read-only' shost attribute. |
73 | */ |
74 | static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, |
75 | struct device_attribute *attr, char *buf) |
76 | { |
77 | struct Scsi_Host *shost = class_to_shost(cdev); |
78 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
79 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
80 | |
81 | return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", |
82 | (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 24), |
83 | (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 16), |
84 | (u8)(pm8001_ha->main_cfg_tbl.firmware_rev >> 8), |
85 | (u8)(pm8001_ha->main_cfg_tbl.firmware_rev)); |
86 | } |
87 | static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); |
88 | /** |
89 | * pm8001_ctl_max_out_io_show - max outstanding io supported |
90 | * @cdev: pointer to embedded class device |
91 | * @buf: the buffer returned |
92 | * |
93 | * A sysfs 'read-only' shost attribute. |
94 | */ |
95 | static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, |
96 | struct device_attribute *attr, char *buf) |
97 | { |
98 | struct Scsi_Host *shost = class_to_shost(cdev); |
99 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
100 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
101 | |
102 | return snprintf(buf, PAGE_SIZE, "%d\n", |
103 | pm8001_ha->main_cfg_tbl.max_out_io); |
104 | } |
105 | static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); |
106 | /** |
107 | * pm8001_ctl_max_devices_show - max devices support |
108 | * @cdev: pointer to embedded class device |
109 | * @buf: the buffer returned |
110 | * |
111 | * A sysfs 'read-only' shost attribute. |
112 | */ |
113 | static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, |
114 | struct device_attribute *attr, char *buf) |
115 | { |
116 | struct Scsi_Host *shost = class_to_shost(cdev); |
117 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
118 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
119 | |
120 | return snprintf(buf, PAGE_SIZE, "%04d\n", |
121 | (u16)(pm8001_ha->main_cfg_tbl.max_sgl >> 16)); |
122 | } |
123 | static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); |
124 | /** |
125 | * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no |
126 | * hardware limitation |
127 | * @cdev: pointer to embedded class device |
128 | * @buf: the buffer returned |
129 | * |
130 | * A sysfs 'read-only' shost attribute. |
131 | */ |
132 | static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, |
133 | struct device_attribute *attr, char *buf) |
134 | { |
135 | struct Scsi_Host *shost = class_to_shost(cdev); |
136 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
137 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
138 | |
139 | return snprintf(buf, PAGE_SIZE, "%04d\n", |
140 | pm8001_ha->main_cfg_tbl.max_sgl & 0x0000FFFF); |
141 | } |
142 | static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); |
143 | |
144 | #define SAS_1_0 0x1 |
145 | #define SAS_1_1 0x2 |
146 | #define SAS_2_0 0x4 |
147 | |
148 | static ssize_t |
149 | show_sas_spec_support_status(unsigned int mode, char *buf) |
150 | { |
151 | ssize_t len = 0; |
152 | |
153 | if (mode & SAS_1_1) |
154 | len = sprintf(buf, "%s", "SAS1.1"); |
155 | if (mode & SAS_2_0) |
156 | len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); |
157 | len += sprintf(buf + len, "\n"); |
158 | |
159 | return len; |
160 | } |
161 | |
162 | /** |
163 | * pm8001_ctl_sas_spec_support_show - sas spec supported |
164 | * @cdev: pointer to embedded class device |
165 | * @buf: the buffer returned |
166 | * |
167 | * A sysfs 'read-only' shost attribute. |
168 | */ |
169 | static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, |
170 | struct device_attribute *attr, char *buf) |
171 | { |
172 | unsigned int mode; |
173 | struct Scsi_Host *shost = class_to_shost(cdev); |
174 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
175 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
176 | mode = (pm8001_ha->main_cfg_tbl.ctrl_cap_flag & 0xfe000000)>>25; |
177 | return show_sas_spec_support_status(mode, buf); |
178 | } |
179 | static DEVICE_ATTR(sas_spec_support, S_IRUGO, |
180 | pm8001_ctl_sas_spec_support_show, NULL); |
181 | |
182 | /** |
183 | * pm8001_ctl_sas_address_show - sas address |
184 | * @cdev: pointer to embedded class device |
185 | * @buf: the buffer returned |
186 | * |
187 | * This is the controller sas address |
188 | * |
189 | * A sysfs 'read-only' shost attribute. |
190 | */ |
191 | static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, |
192 | struct device_attribute *attr, char *buf) |
193 | { |
194 | struct Scsi_Host *shost = class_to_shost(cdev); |
195 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
196 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
197 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", |
198 | be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); |
199 | } |
200 | static DEVICE_ATTR(host_sas_address, S_IRUGO, |
201 | pm8001_ctl_host_sas_address_show, NULL); |
202 | |
203 | /** |
204 | * pm8001_ctl_logging_level_show - logging level |
205 | * @cdev: pointer to embedded class device |
206 | * @buf: the buffer returned |
207 | * |
208 | * A sysfs 'read/write' shost attribute. |
209 | */ |
210 | static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, |
211 | struct device_attribute *attr, char *buf) |
212 | { |
213 | struct Scsi_Host *shost = class_to_shost(cdev); |
214 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
215 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
216 | |
217 | return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); |
218 | } |
219 | static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, |
220 | struct device_attribute *attr, const char *buf, size_t count) |
221 | { |
222 | struct Scsi_Host *shost = class_to_shost(cdev); |
223 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
224 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
225 | int val = 0; |
226 | |
227 | if (sscanf(buf, "%x", &val) != 1) |
228 | return -EINVAL; |
229 | |
230 | pm8001_ha->logging_level = val; |
231 | return strlen(buf); |
232 | } |
233 | |
234 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, |
235 | pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); |
236 | /** |
237 | * pm8001_ctl_aap_log_show - aap1 event log |
238 | * @cdev: pointer to embedded class device |
239 | * @buf: the buffer returned |
240 | * |
241 | * A sysfs 'read-only' shost attribute. |
242 | */ |
243 | static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, |
244 | struct device_attribute *attr, char *buf) |
245 | { |
246 | struct Scsi_Host *shost = class_to_shost(cdev); |
247 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
248 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
249 | int i; |
250 | #define AAP1_MEMMAP(r, c) \ |
251 | (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \ |
252 | + (c))) |
253 | |
254 | char *str = buf; |
255 | int max = 2; |
256 | for (i = 0; i < max; i++) { |
257 | str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" |
258 | "0x%08x 0x%08x\n", |
259 | AAP1_MEMMAP(i, 0), |
260 | AAP1_MEMMAP(i, 4), |
261 | AAP1_MEMMAP(i, 8), |
262 | AAP1_MEMMAP(i, 12), |
263 | AAP1_MEMMAP(i, 16), |
264 | AAP1_MEMMAP(i, 20), |
265 | AAP1_MEMMAP(i, 24), |
266 | AAP1_MEMMAP(i, 28)); |
267 | } |
268 | |
269 | return str - buf; |
270 | } |
271 | static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); |
272 | /** |
273 | * pm8001_ctl_aap_log_show - IOP event log |
274 | * @cdev: pointer to embedded class device |
275 | * @buf: the buffer returned |
276 | * |
277 | * A sysfs 'read-only' shost attribute. |
278 | */ |
279 | static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, |
280 | struct device_attribute *attr, char *buf) |
281 | { |
282 | struct Scsi_Host *shost = class_to_shost(cdev); |
283 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
284 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
285 | #define IOP_MEMMAP(r, c) \ |
286 | (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \ |
287 | + (c))) |
288 | int i; |
289 | char *str = buf; |
290 | int max = 2; |
291 | for (i = 0; i < max; i++) { |
292 | str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" |
293 | "0x%08x 0x%08x\n", |
294 | IOP_MEMMAP(i, 0), |
295 | IOP_MEMMAP(i, 4), |
296 | IOP_MEMMAP(i, 8), |
297 | IOP_MEMMAP(i, 12), |
298 | IOP_MEMMAP(i, 16), |
299 | IOP_MEMMAP(i, 20), |
300 | IOP_MEMMAP(i, 24), |
301 | IOP_MEMMAP(i, 28)); |
302 | } |
303 | |
304 | return str - buf; |
305 | } |
306 | static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); |
307 | |
308 | #define FLASH_CMD_NONE 0x00 |
309 | #define FLASH_CMD_UPDATE 0x01 |
310 | #define FLASH_CMD_SET_NVMD 0x02 |
311 | |
312 | struct flash_command { |
313 | u8 command[8]; |
314 | int code; |
315 | }; |
316 | |
317 | static struct flash_command flash_command_table[] = |
318 | { |
319 | {"set_nvmd", FLASH_CMD_SET_NVMD}, |
320 | {"update", FLASH_CMD_UPDATE}, |
321 | {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ |
322 | }; |
323 | |
324 | struct error_fw { |
325 | char *reason; |
326 | int err_code; |
327 | }; |
328 | |
329 | static struct error_fw flash_error_table[] = |
330 | { |
331 | {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, |
332 | {"image header mismatch", FLASH_UPDATE_HDR_ERR}, |
333 | {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, |
334 | {"image CRC Error", FLASH_UPDATE_CRC_ERR}, |
335 | {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, |
336 | {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, |
337 | {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, |
338 | {"Flash update disabled.", FLASH_UPDATE_DISABLED}, |
339 | {"Flash in progress", FLASH_IN_PROGRESS}, |
340 | {"Image file size Error", FAIL_FILE_SIZE}, |
341 | {"Input parameter error", FAIL_PARAMETERS}, |
342 | {"Out of memory", FAIL_OUT_MEMORY}, |
343 | {"OK", 0} /* Last entry err_code = 0. */ |
344 | }; |
345 | |
346 | static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) |
347 | { |
348 | struct pm8001_ioctl_payload *payload; |
349 | DECLARE_COMPLETION_ONSTACK(completion); |
350 | u8 *ioctlbuffer = NULL; |
351 | u32 length = 0; |
352 | u32 ret = 0; |
353 | |
354 | length = 1024 * 5 + sizeof(*payload) - 1; |
355 | ioctlbuffer = kzalloc(length, GFP_KERNEL); |
356 | if (!ioctlbuffer) |
357 | return -ENOMEM; |
358 | if ((pm8001_ha->fw_image->size <= 0) || |
359 | (pm8001_ha->fw_image->size > 4096)) { |
360 | ret = FAIL_FILE_SIZE; |
361 | goto out; |
362 | } |
363 | payload = (struct pm8001_ioctl_payload *)ioctlbuffer; |
364 | memcpy((u8 *)payload->func_specific, (u8 *)pm8001_ha->fw_image->data, |
365 | pm8001_ha->fw_image->size); |
366 | payload->length = pm8001_ha->fw_image->size; |
367 | payload->id = 0; |
368 | pm8001_ha->nvmd_completion = &completion; |
369 | ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); |
370 | wait_for_completion(&completion); |
371 | out: |
372 | kfree(ioctlbuffer); |
373 | return ret; |
374 | } |
375 | |
376 | static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) |
377 | { |
378 | struct pm8001_ioctl_payload *payload; |
379 | DECLARE_COMPLETION_ONSTACK(completion); |
380 | u8 *ioctlbuffer = NULL; |
381 | u32 length = 0; |
382 | struct fw_control_info *fwControl; |
383 | u32 loopNumber, loopcount = 0; |
384 | u32 sizeRead = 0; |
385 | u32 partitionSize, partitionSizeTmp; |
386 | u32 ret = 0; |
387 | u32 partitionNumber = 0; |
388 | struct pm8001_fw_image_header *image_hdr; |
389 | |
390 | length = 1024 * 16 + sizeof(*payload) - 1; |
391 | ioctlbuffer = kzalloc(length, GFP_KERNEL); |
392 | image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; |
393 | if (!ioctlbuffer) |
394 | return -ENOMEM; |
395 | if (pm8001_ha->fw_image->size < 28) { |
396 | ret = FAIL_FILE_SIZE; |
397 | goto out; |
398 | } |
399 | |
400 | while (sizeRead < pm8001_ha->fw_image->size) { |
401 | partitionSizeTmp = |
402 | *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); |
403 | partitionSize = be32_to_cpu(partitionSizeTmp); |
404 | loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; |
405 | if (loopcount % IOCTL_BUF_SIZE) |
406 | loopcount++; |
407 | if (loopcount == 0) |
408 | loopcount++; |
409 | for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { |
410 | payload = (struct pm8001_ioctl_payload *)ioctlbuffer; |
411 | payload->length = 1024*16; |
412 | payload->id = 0; |
413 | fwControl = |
414 | (struct fw_control_info *)payload->func_specific; |
415 | fwControl->len = IOCTL_BUF_SIZE; /* IN */ |
416 | fwControl->size = partitionSize + HEADER_LEN;/* IN */ |
417 | fwControl->retcode = 0;/* OUT */ |
418 | fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ |
419 | |
420 | /* for the last chunk of data in case file size is not even with |
421 | 4k, load only the rest*/ |
422 | if (((loopcount-loopNumber) == 1) && |
423 | ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { |
424 | fwControl->len = |
425 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; |
426 | memcpy((u8 *)fwControl->buffer, |
427 | (u8 *)pm8001_ha->fw_image->data + sizeRead, |
428 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); |
429 | sizeRead += |
430 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; |
431 | } else { |
432 | memcpy((u8 *)fwControl->buffer, |
433 | (u8 *)pm8001_ha->fw_image->data + sizeRead, |
434 | IOCTL_BUF_SIZE); |
435 | sizeRead += IOCTL_BUF_SIZE; |
436 | } |
437 | |
438 | pm8001_ha->nvmd_completion = &completion; |
439 | ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); |
440 | wait_for_completion(&completion); |
441 | if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) { |
442 | ret = fwControl->retcode; |
443 | kfree(ioctlbuffer); |
444 | ioctlbuffer = NULL; |
445 | break; |
446 | } |
447 | } |
448 | if (ret) |
449 | break; |
450 | partitionNumber++; |
451 | } |
452 | out: |
453 | kfree(ioctlbuffer); |
454 | return ret; |
455 | } |
456 | static ssize_t pm8001_store_update_fw(struct device *cdev, |
457 | struct device_attribute *attr, |
458 | const char *buf, size_t count) |
459 | { |
460 | struct Scsi_Host *shost = class_to_shost(cdev); |
461 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
462 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
463 | char *cmd_ptr, *filename_ptr; |
464 | int res, i; |
465 | int flash_command = FLASH_CMD_NONE; |
466 | int err = 0; |
467 | if (!capable(CAP_SYS_ADMIN)) |
468 | return -EACCES; |
469 | |
470 | cmd_ptr = kzalloc(count*2, GFP_KERNEL); |
471 | |
472 | if (!cmd_ptr) { |
473 | err = FAIL_OUT_MEMORY; |
474 | goto out; |
475 | } |
476 | |
477 | filename_ptr = cmd_ptr + count; |
478 | res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); |
479 | if (res != 2) { |
480 | err = FAIL_PARAMETERS; |
481 | goto out1; |
482 | } |
483 | |
484 | for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { |
485 | if (!memcmp(flash_command_table[i].command, |
486 | cmd_ptr, strlen(cmd_ptr))) { |
487 | flash_command = flash_command_table[i].code; |
488 | break; |
489 | } |
490 | } |
491 | if (flash_command == FLASH_CMD_NONE) { |
492 | err = FAIL_PARAMETERS; |
493 | goto out1; |
494 | } |
495 | |
496 | if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { |
497 | err = FLASH_IN_PROGRESS; |
498 | goto out1; |
499 | } |
500 | err = request_firmware(&pm8001_ha->fw_image, |
501 | filename_ptr, |
502 | pm8001_ha->dev); |
503 | |
504 | if (err) { |
505 | PM8001_FAIL_DBG(pm8001_ha, |
506 | pm8001_printk("Failed to load firmware image file %s," |
507 | " error %d\n", filename_ptr, err)); |
508 | err = FAIL_OPEN_BIOS_FILE; |
509 | goto out1; |
510 | } |
511 | |
512 | switch (flash_command) { |
513 | case FLASH_CMD_UPDATE: |
514 | pm8001_ha->fw_status = FLASH_IN_PROGRESS; |
515 | err = pm8001_update_flash(pm8001_ha); |
516 | break; |
517 | case FLASH_CMD_SET_NVMD: |
518 | pm8001_ha->fw_status = FLASH_IN_PROGRESS; |
519 | err = pm8001_set_nvmd(pm8001_ha); |
520 | break; |
521 | default: |
522 | pm8001_ha->fw_status = FAIL_PARAMETERS; |
523 | err = FAIL_PARAMETERS; |
524 | break; |
525 | } |
526 | release_firmware(pm8001_ha->fw_image); |
527 | out1: |
528 | kfree(cmd_ptr); |
529 | out: |
530 | pm8001_ha->fw_status = err; |
531 | |
532 | if (!err) |
533 | return count; |
534 | else |
535 | return -err; |
536 | } |
537 | |
538 | static ssize_t pm8001_show_update_fw(struct device *cdev, |
539 | struct device_attribute *attr, char *buf) |
540 | { |
541 | int i; |
542 | struct Scsi_Host *shost = class_to_shost(cdev); |
543 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); |
544 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; |
545 | |
546 | for (i = 0; flash_error_table[i].err_code != 0; i++) { |
547 | if (flash_error_table[i].err_code == pm8001_ha->fw_status) |
548 | break; |
549 | } |
550 | if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) |
551 | pm8001_ha->fw_status = FLASH_OK; |
552 | |
553 | return snprintf(buf, PAGE_SIZE, "status=%x %s\n", |
554 | flash_error_table[i].err_code, |
555 | flash_error_table[i].reason); |
556 | } |
557 | |
558 | static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUGO, |
559 | pm8001_show_update_fw, pm8001_store_update_fw); |
560 | struct device_attribute *pm8001_host_attrs[] = { |
561 | &dev_attr_interface_rev, |
562 | &dev_attr_fw_version, |
563 | &dev_attr_update_fw, |
564 | &dev_attr_aap_log, |
565 | &dev_attr_iop_log, |
566 | &dev_attr_max_out_io, |
567 | &dev_attr_max_devices, |
568 | &dev_attr_max_sg_list, |
569 | &dev_attr_sas_spec_support, |
570 | &dev_attr_logging_level, |
571 | &dev_attr_host_sas_address, |
572 | NULL, |
573 | }; |
574 | |