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dbf9bfe6 | 1 | /* |
e5742101 | 2 | * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver |
dbf9bfe6 | 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 | ||
e5742101 S |
61 | if (pm8001_ha->chip_id == chip_8001) { |
62 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
63 | pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev); | |
64 | } else { | |
65 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
66 | pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev); | |
67 | } | |
dbf9bfe6 | 68 | } |
69 | static | |
70 | DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); | |
71 | ||
72 | /** | |
73 | * pm8001_ctl_fw_version_show - firmware version | |
74 | * @cdev: pointer to embedded class device | |
75 | * @buf: the buffer returned | |
76 | * | |
77 | * A sysfs 'read-only' shost attribute. | |
78 | */ | |
79 | static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, | |
80 | struct device_attribute *attr, char *buf) | |
81 | { | |
82 | struct Scsi_Host *shost = class_to_shost(cdev); | |
83 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
84 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
85 | ||
e5742101 S |
86 | if (pm8001_ha->chip_id == chip_8001) { |
87 | return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", | |
88 | (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), | |
89 | (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), | |
90 | (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), | |
91 | (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); | |
92 | } else { | |
93 | return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", | |
94 | (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), | |
95 | (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), | |
96 | (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), | |
97 | (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); | |
98 | } | |
dbf9bfe6 | 99 | } |
100 | static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); | |
101 | /** | |
102 | * pm8001_ctl_max_out_io_show - max outstanding io supported | |
103 | * @cdev: pointer to embedded class device | |
104 | * @buf: the buffer returned | |
105 | * | |
106 | * A sysfs 'read-only' shost attribute. | |
107 | */ | |
108 | static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, | |
109 | struct device_attribute *attr, char *buf) | |
110 | { | |
111 | struct Scsi_Host *shost = class_to_shost(cdev); | |
112 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
113 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
114 | ||
e5742101 S |
115 | if (pm8001_ha->chip_id == chip_8001) { |
116 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
117 | pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); | |
118 | } else { | |
119 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
120 | pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io); | |
121 | } | |
dbf9bfe6 | 122 | } |
123 | static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); | |
124 | /** | |
125 | * pm8001_ctl_max_devices_show - max devices support | |
126 | * @cdev: pointer to embedded class device | |
127 | * @buf: the buffer returned | |
128 | * | |
129 | * A sysfs 'read-only' shost attribute. | |
130 | */ | |
131 | static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, | |
132 | struct device_attribute *attr, char *buf) | |
133 | { | |
134 | struct Scsi_Host *shost = class_to_shost(cdev); | |
135 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
136 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
137 | ||
e5742101 S |
138 | if (pm8001_ha->chip_id == chip_8001) { |
139 | return snprintf(buf, PAGE_SIZE, "%04d\n", | |
140 | (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) | |
141 | ); | |
142 | } else { | |
143 | return snprintf(buf, PAGE_SIZE, "%04d\n", | |
144 | (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16) | |
145 | ); | |
146 | } | |
dbf9bfe6 | 147 | } |
148 | static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); | |
149 | /** | |
150 | * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no | |
151 | * hardware limitation | |
152 | * @cdev: pointer to embedded class device | |
153 | * @buf: the buffer returned | |
154 | * | |
155 | * A sysfs 'read-only' shost attribute. | |
156 | */ | |
157 | static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, | |
158 | struct device_attribute *attr, char *buf) | |
159 | { | |
160 | struct Scsi_Host *shost = class_to_shost(cdev); | |
161 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
162 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
163 | ||
e5742101 S |
164 | if (pm8001_ha->chip_id == chip_8001) { |
165 | return snprintf(buf, PAGE_SIZE, "%04d\n", | |
166 | pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF | |
167 | ); | |
168 | } else { | |
169 | return snprintf(buf, PAGE_SIZE, "%04d\n", | |
170 | pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF | |
171 | ); | |
172 | } | |
dbf9bfe6 | 173 | } |
174 | static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); | |
175 | ||
176 | #define SAS_1_0 0x1 | |
177 | #define SAS_1_1 0x2 | |
178 | #define SAS_2_0 0x4 | |
179 | ||
180 | static ssize_t | |
181 | show_sas_spec_support_status(unsigned int mode, char *buf) | |
182 | { | |
183 | ssize_t len = 0; | |
184 | ||
185 | if (mode & SAS_1_1) | |
186 | len = sprintf(buf, "%s", "SAS1.1"); | |
187 | if (mode & SAS_2_0) | |
188 | len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); | |
189 | len += sprintf(buf + len, "\n"); | |
190 | ||
191 | return len; | |
192 | } | |
193 | ||
194 | /** | |
195 | * pm8001_ctl_sas_spec_support_show - sas spec supported | |
196 | * @cdev: pointer to embedded class device | |
197 | * @buf: the buffer returned | |
198 | * | |
199 | * A sysfs 'read-only' shost attribute. | |
200 | */ | |
201 | static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, | |
202 | struct device_attribute *attr, char *buf) | |
203 | { | |
204 | unsigned int mode; | |
205 | struct Scsi_Host *shost = class_to_shost(cdev); | |
206 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
207 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
e5742101 S |
208 | /* fe000000 means supports SAS2.1 */ |
209 | if (pm8001_ha->chip_id == chip_8001) | |
210 | mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & | |
211 | 0xfe000000)>>25; | |
212 | else | |
213 | /* fe000000 means supports SAS2.1 */ | |
214 | mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag & | |
215 | 0xfe000000)>>25; | |
dbf9bfe6 | 216 | return show_sas_spec_support_status(mode, buf); |
217 | } | |
218 | static DEVICE_ATTR(sas_spec_support, S_IRUGO, | |
219 | pm8001_ctl_sas_spec_support_show, NULL); | |
220 | ||
221 | /** | |
222 | * pm8001_ctl_sas_address_show - sas address | |
223 | * @cdev: pointer to embedded class device | |
224 | * @buf: the buffer returned | |
225 | * | |
226 | * This is the controller sas address | |
227 | * | |
228 | * A sysfs 'read-only' shost attribute. | |
229 | */ | |
230 | static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, | |
231 | struct device_attribute *attr, char *buf) | |
232 | { | |
233 | struct Scsi_Host *shost = class_to_shost(cdev); | |
234 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
235 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
236 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
237 | be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); | |
238 | } | |
239 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
240 | pm8001_ctl_host_sas_address_show, NULL); | |
241 | ||
242 | /** | |
243 | * pm8001_ctl_logging_level_show - logging level | |
244 | * @cdev: pointer to embedded class device | |
245 | * @buf: the buffer returned | |
246 | * | |
247 | * A sysfs 'read/write' shost attribute. | |
248 | */ | |
249 | static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, | |
250 | struct device_attribute *attr, char *buf) | |
251 | { | |
252 | struct Scsi_Host *shost = class_to_shost(cdev); | |
253 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
254 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
255 | ||
256 | return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); | |
257 | } | |
258 | static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, | |
259 | struct device_attribute *attr, const char *buf, size_t count) | |
260 | { | |
261 | struct Scsi_Host *shost = class_to_shost(cdev); | |
262 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
263 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
264 | int val = 0; | |
265 | ||
266 | if (sscanf(buf, "%x", &val) != 1) | |
267 | return -EINVAL; | |
268 | ||
269 | pm8001_ha->logging_level = val; | |
270 | return strlen(buf); | |
271 | } | |
272 | ||
273 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, | |
274 | pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); | |
275 | /** | |
276 | * pm8001_ctl_aap_log_show - aap1 event log | |
277 | * @cdev: pointer to embedded class device | |
278 | * @buf: the buffer returned | |
279 | * | |
280 | * A sysfs 'read-only' shost attribute. | |
281 | */ | |
282 | static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, | |
283 | struct device_attribute *attr, char *buf) | |
284 | { | |
285 | struct Scsi_Host *shost = class_to_shost(cdev); | |
286 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
287 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
288 | int i; | |
289 | #define AAP1_MEMMAP(r, c) \ | |
290 | (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \ | |
291 | + (c))) | |
292 | ||
293 | char *str = buf; | |
294 | int max = 2; | |
295 | for (i = 0; i < max; i++) { | |
296 | str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" | |
297 | "0x%08x 0x%08x\n", | |
298 | AAP1_MEMMAP(i, 0), | |
299 | AAP1_MEMMAP(i, 4), | |
300 | AAP1_MEMMAP(i, 8), | |
301 | AAP1_MEMMAP(i, 12), | |
302 | AAP1_MEMMAP(i, 16), | |
303 | AAP1_MEMMAP(i, 20), | |
304 | AAP1_MEMMAP(i, 24), | |
305 | AAP1_MEMMAP(i, 28)); | |
306 | } | |
307 | ||
308 | return str - buf; | |
309 | } | |
310 | static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); | |
311 | /** | |
312 | * pm8001_ctl_aap_log_show - IOP event log | |
313 | * @cdev: pointer to embedded class device | |
314 | * @buf: the buffer returned | |
315 | * | |
316 | * A sysfs 'read-only' shost attribute. | |
317 | */ | |
318 | static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, | |
319 | struct device_attribute *attr, char *buf) | |
320 | { | |
321 | struct Scsi_Host *shost = class_to_shost(cdev); | |
322 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
323 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
324 | #define IOP_MEMMAP(r, c) \ | |
325 | (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \ | |
326 | + (c))) | |
327 | int i; | |
328 | char *str = buf; | |
329 | int max = 2; | |
330 | for (i = 0; i < max; i++) { | |
331 | str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" | |
332 | "0x%08x 0x%08x\n", | |
333 | IOP_MEMMAP(i, 0), | |
334 | IOP_MEMMAP(i, 4), | |
335 | IOP_MEMMAP(i, 8), | |
336 | IOP_MEMMAP(i, 12), | |
337 | IOP_MEMMAP(i, 16), | |
338 | IOP_MEMMAP(i, 20), | |
339 | IOP_MEMMAP(i, 24), | |
340 | IOP_MEMMAP(i, 28)); | |
341 | } | |
342 | ||
343 | return str - buf; | |
344 | } | |
345 | static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); | |
346 | ||
347 | #define FLASH_CMD_NONE 0x00 | |
348 | #define FLASH_CMD_UPDATE 0x01 | |
349 | #define FLASH_CMD_SET_NVMD 0x02 | |
350 | ||
351 | struct flash_command { | |
352 | u8 command[8]; | |
353 | int code; | |
354 | }; | |
355 | ||
356 | static struct flash_command flash_command_table[] = | |
357 | { | |
358 | {"set_nvmd", FLASH_CMD_SET_NVMD}, | |
359 | {"update", FLASH_CMD_UPDATE}, | |
360 | {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ | |
361 | }; | |
362 | ||
363 | struct error_fw { | |
364 | char *reason; | |
365 | int err_code; | |
366 | }; | |
367 | ||
368 | static struct error_fw flash_error_table[] = | |
369 | { | |
370 | {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, | |
371 | {"image header mismatch", FLASH_UPDATE_HDR_ERR}, | |
372 | {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, | |
373 | {"image CRC Error", FLASH_UPDATE_CRC_ERR}, | |
374 | {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, | |
375 | {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, | |
376 | {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, | |
377 | {"Flash update disabled.", FLASH_UPDATE_DISABLED}, | |
378 | {"Flash in progress", FLASH_IN_PROGRESS}, | |
379 | {"Image file size Error", FAIL_FILE_SIZE}, | |
380 | {"Input parameter error", FAIL_PARAMETERS}, | |
381 | {"Out of memory", FAIL_OUT_MEMORY}, | |
382 | {"OK", 0} /* Last entry err_code = 0. */ | |
383 | }; | |
384 | ||
385 | static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) | |
386 | { | |
387 | struct pm8001_ioctl_payload *payload; | |
388 | DECLARE_COMPLETION_ONSTACK(completion); | |
389 | u8 *ioctlbuffer = NULL; | |
390 | u32 length = 0; | |
391 | u32 ret = 0; | |
392 | ||
393 | length = 1024 * 5 + sizeof(*payload) - 1; | |
394 | ioctlbuffer = kzalloc(length, GFP_KERNEL); | |
395 | if (!ioctlbuffer) | |
396 | return -ENOMEM; | |
397 | if ((pm8001_ha->fw_image->size <= 0) || | |
398 | (pm8001_ha->fw_image->size > 4096)) { | |
399 | ret = FAIL_FILE_SIZE; | |
400 | goto out; | |
401 | } | |
402 | payload = (struct pm8001_ioctl_payload *)ioctlbuffer; | |
403 | memcpy((u8 *)payload->func_specific, (u8 *)pm8001_ha->fw_image->data, | |
404 | pm8001_ha->fw_image->size); | |
405 | payload->length = pm8001_ha->fw_image->size; | |
406 | payload->id = 0; | |
407 | pm8001_ha->nvmd_completion = &completion; | |
408 | ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); | |
409 | wait_for_completion(&completion); | |
410 | out: | |
411 | kfree(ioctlbuffer); | |
412 | return ret; | |
413 | } | |
414 | ||
415 | static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) | |
416 | { | |
417 | struct pm8001_ioctl_payload *payload; | |
418 | DECLARE_COMPLETION_ONSTACK(completion); | |
419 | u8 *ioctlbuffer = NULL; | |
420 | u32 length = 0; | |
421 | struct fw_control_info *fwControl; | |
422 | u32 loopNumber, loopcount = 0; | |
423 | u32 sizeRead = 0; | |
424 | u32 partitionSize, partitionSizeTmp; | |
425 | u32 ret = 0; | |
426 | u32 partitionNumber = 0; | |
427 | struct pm8001_fw_image_header *image_hdr; | |
428 | ||
429 | length = 1024 * 16 + sizeof(*payload) - 1; | |
430 | ioctlbuffer = kzalloc(length, GFP_KERNEL); | |
431 | image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; | |
432 | if (!ioctlbuffer) | |
433 | return -ENOMEM; | |
434 | if (pm8001_ha->fw_image->size < 28) { | |
435 | ret = FAIL_FILE_SIZE; | |
436 | goto out; | |
437 | } | |
438 | ||
439 | while (sizeRead < pm8001_ha->fw_image->size) { | |
440 | partitionSizeTmp = | |
441 | *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); | |
442 | partitionSize = be32_to_cpu(partitionSizeTmp); | |
443 | loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; | |
444 | if (loopcount % IOCTL_BUF_SIZE) | |
445 | loopcount++; | |
446 | if (loopcount == 0) | |
447 | loopcount++; | |
448 | for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { | |
449 | payload = (struct pm8001_ioctl_payload *)ioctlbuffer; | |
450 | payload->length = 1024*16; | |
451 | payload->id = 0; | |
452 | fwControl = | |
453 | (struct fw_control_info *)payload->func_specific; | |
454 | fwControl->len = IOCTL_BUF_SIZE; /* IN */ | |
455 | fwControl->size = partitionSize + HEADER_LEN;/* IN */ | |
456 | fwControl->retcode = 0;/* OUT */ | |
457 | fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ | |
458 | ||
459 | /* for the last chunk of data in case file size is not even with | |
460 | 4k, load only the rest*/ | |
461 | if (((loopcount-loopNumber) == 1) && | |
462 | ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { | |
463 | fwControl->len = | |
464 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; | |
465 | memcpy((u8 *)fwControl->buffer, | |
466 | (u8 *)pm8001_ha->fw_image->data + sizeRead, | |
467 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); | |
468 | sizeRead += | |
469 | (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; | |
470 | } else { | |
471 | memcpy((u8 *)fwControl->buffer, | |
472 | (u8 *)pm8001_ha->fw_image->data + sizeRead, | |
473 | IOCTL_BUF_SIZE); | |
474 | sizeRead += IOCTL_BUF_SIZE; | |
475 | } | |
476 | ||
477 | pm8001_ha->nvmd_completion = &completion; | |
478 | ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); | |
479 | wait_for_completion(&completion); | |
480 | if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) { | |
481 | ret = fwControl->retcode; | |
482 | kfree(ioctlbuffer); | |
483 | ioctlbuffer = NULL; | |
484 | break; | |
485 | } | |
486 | } | |
487 | if (ret) | |
488 | break; | |
489 | partitionNumber++; | |
490 | } | |
491 | out: | |
492 | kfree(ioctlbuffer); | |
493 | return ret; | |
494 | } | |
495 | static ssize_t pm8001_store_update_fw(struct device *cdev, | |
496 | struct device_attribute *attr, | |
497 | const char *buf, size_t count) | |
498 | { | |
499 | struct Scsi_Host *shost = class_to_shost(cdev); | |
500 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
501 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
502 | char *cmd_ptr, *filename_ptr; | |
503 | int res, i; | |
504 | int flash_command = FLASH_CMD_NONE; | |
505 | int err = 0; | |
506 | if (!capable(CAP_SYS_ADMIN)) | |
507 | return -EACCES; | |
508 | ||
509 | cmd_ptr = kzalloc(count*2, GFP_KERNEL); | |
510 | ||
511 | if (!cmd_ptr) { | |
512 | err = FAIL_OUT_MEMORY; | |
513 | goto out; | |
514 | } | |
515 | ||
516 | filename_ptr = cmd_ptr + count; | |
517 | res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); | |
518 | if (res != 2) { | |
519 | err = FAIL_PARAMETERS; | |
520 | goto out1; | |
521 | } | |
522 | ||
523 | for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { | |
524 | if (!memcmp(flash_command_table[i].command, | |
525 | cmd_ptr, strlen(cmd_ptr))) { | |
526 | flash_command = flash_command_table[i].code; | |
527 | break; | |
528 | } | |
529 | } | |
530 | if (flash_command == FLASH_CMD_NONE) { | |
531 | err = FAIL_PARAMETERS; | |
532 | goto out1; | |
533 | } | |
534 | ||
535 | if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { | |
536 | err = FLASH_IN_PROGRESS; | |
537 | goto out1; | |
538 | } | |
539 | err = request_firmware(&pm8001_ha->fw_image, | |
540 | filename_ptr, | |
541 | pm8001_ha->dev); | |
542 | ||
543 | if (err) { | |
544 | PM8001_FAIL_DBG(pm8001_ha, | |
545 | pm8001_printk("Failed to load firmware image file %s," | |
546 | " error %d\n", filename_ptr, err)); | |
547 | err = FAIL_OPEN_BIOS_FILE; | |
548 | goto out1; | |
549 | } | |
550 | ||
551 | switch (flash_command) { | |
552 | case FLASH_CMD_UPDATE: | |
553 | pm8001_ha->fw_status = FLASH_IN_PROGRESS; | |
554 | err = pm8001_update_flash(pm8001_ha); | |
555 | break; | |
556 | case FLASH_CMD_SET_NVMD: | |
557 | pm8001_ha->fw_status = FLASH_IN_PROGRESS; | |
558 | err = pm8001_set_nvmd(pm8001_ha); | |
559 | break; | |
560 | default: | |
561 | pm8001_ha->fw_status = FAIL_PARAMETERS; | |
562 | err = FAIL_PARAMETERS; | |
563 | break; | |
564 | } | |
565 | release_firmware(pm8001_ha->fw_image); | |
566 | out1: | |
567 | kfree(cmd_ptr); | |
568 | out: | |
569 | pm8001_ha->fw_status = err; | |
570 | ||
571 | if (!err) | |
572 | return count; | |
573 | else | |
574 | return -err; | |
575 | } | |
576 | ||
577 | static ssize_t pm8001_show_update_fw(struct device *cdev, | |
578 | struct device_attribute *attr, char *buf) | |
579 | { | |
580 | int i; | |
581 | struct Scsi_Host *shost = class_to_shost(cdev); | |
582 | struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); | |
583 | struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; | |
584 | ||
585 | for (i = 0; flash_error_table[i].err_code != 0; i++) { | |
586 | if (flash_error_table[i].err_code == pm8001_ha->fw_status) | |
587 | break; | |
588 | } | |
589 | if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) | |
590 | pm8001_ha->fw_status = FLASH_OK; | |
591 | ||
592 | return snprintf(buf, PAGE_SIZE, "status=%x %s\n", | |
593 | flash_error_table[i].err_code, | |
594 | flash_error_table[i].reason); | |
595 | } | |
596 | ||
597 | static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUGO, | |
598 | pm8001_show_update_fw, pm8001_store_update_fw); | |
599 | struct device_attribute *pm8001_host_attrs[] = { | |
600 | &dev_attr_interface_rev, | |
601 | &dev_attr_fw_version, | |
602 | &dev_attr_update_fw, | |
603 | &dev_attr_aap_log, | |
604 | &dev_attr_iop_log, | |
605 | &dev_attr_max_out_io, | |
606 | &dev_attr_max_devices, | |
607 | &dev_attr_max_sg_list, | |
608 | &dev_attr_sas_spec_support, | |
609 | &dev_attr_logging_level, | |
610 | &dev_attr_host_sas_address, | |
611 | NULL, | |
612 | }; | |
613 |