1 /* 2 * PMC-Sierra 8001/8081/8088/8089 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> 41 #include <linux/slab.h> 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 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 } 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 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 } 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; 114 115 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 } 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; 137 138 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 } 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; 163 164 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 } 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; 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; 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 payload->minor_function = 0x1; 408 pm8001_ha->nvmd_completion = &completion; 409 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 410 wait_for_completion(&completion); 411 out: 412 kfree(ioctlbuffer); 413 return ret; 414 } 415 416 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 417 { 418 struct pm8001_ioctl_payload *payload; 419 DECLARE_COMPLETION_ONSTACK(completion); 420 u8 *ioctlbuffer = NULL; 421 u32 length = 0; 422 struct fw_control_info *fwControl; 423 u32 loopNumber, loopcount = 0; 424 u32 sizeRead = 0; 425 u32 partitionSize, partitionSizeTmp; 426 u32 ret = 0; 427 u32 partitionNumber = 0; 428 struct pm8001_fw_image_header *image_hdr; 429 430 length = 1024 * 16 + sizeof(*payload) - 1; 431 ioctlbuffer = kzalloc(length, GFP_KERNEL); 432 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 433 if (!ioctlbuffer) 434 return -ENOMEM; 435 if (pm8001_ha->fw_image->size < 28) { 436 ret = FAIL_FILE_SIZE; 437 goto out; 438 } 439 440 while (sizeRead < pm8001_ha->fw_image->size) { 441 partitionSizeTmp = 442 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 443 partitionSize = be32_to_cpu(partitionSizeTmp); 444 loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; 445 if (loopcount % IOCTL_BUF_SIZE) 446 loopcount++; 447 if (loopcount == 0) 448 loopcount++; 449 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 450 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 451 payload->length = 1024*16; 452 payload->id = 0; 453 fwControl = 454 (struct fw_control_info *)&payload->func_specific; 455 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 456 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 457 fwControl->retcode = 0;/* OUT */ 458 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 459 460 /* for the last chunk of data in case file size is not even with 461 4k, load only the rest*/ 462 if (((loopcount-loopNumber) == 1) && 463 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 464 fwControl->len = 465 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 466 memcpy((u8 *)fwControl->buffer, 467 (u8 *)pm8001_ha->fw_image->data + sizeRead, 468 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 469 sizeRead += 470 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 471 } else { 472 memcpy((u8 *)fwControl->buffer, 473 (u8 *)pm8001_ha->fw_image->data + sizeRead, 474 IOCTL_BUF_SIZE); 475 sizeRead += IOCTL_BUF_SIZE; 476 } 477 478 pm8001_ha->nvmd_completion = &completion; 479 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 480 wait_for_completion(&completion); 481 if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) { 482 ret = fwControl->retcode; 483 kfree(ioctlbuffer); 484 ioctlbuffer = NULL; 485 break; 486 } 487 } 488 if (ret) 489 break; 490 partitionNumber++; 491 } 492 out: 493 kfree(ioctlbuffer); 494 return ret; 495 } 496 static ssize_t pm8001_store_update_fw(struct device *cdev, 497 struct device_attribute *attr, 498 const char *buf, size_t count) 499 { 500 struct Scsi_Host *shost = class_to_shost(cdev); 501 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 502 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 503 char *cmd_ptr, *filename_ptr; 504 int res, i; 505 int flash_command = FLASH_CMD_NONE; 506 int err = 0; 507 if (!capable(CAP_SYS_ADMIN)) 508 return -EACCES; 509 510 cmd_ptr = kzalloc(count*2, GFP_KERNEL); 511 512 if (!cmd_ptr) { 513 err = FAIL_OUT_MEMORY; 514 goto out; 515 } 516 517 filename_ptr = cmd_ptr + count; 518 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 519 if (res != 2) { 520 err = FAIL_PARAMETERS; 521 goto out1; 522 } 523 524 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 525 if (!memcmp(flash_command_table[i].command, 526 cmd_ptr, strlen(cmd_ptr))) { 527 flash_command = flash_command_table[i].code; 528 break; 529 } 530 } 531 if (flash_command == FLASH_CMD_NONE) { 532 err = FAIL_PARAMETERS; 533 goto out1; 534 } 535 536 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { 537 err = FLASH_IN_PROGRESS; 538 goto out1; 539 } 540 err = request_firmware(&pm8001_ha->fw_image, 541 filename_ptr, 542 pm8001_ha->dev); 543 544 if (err) { 545 PM8001_FAIL_DBG(pm8001_ha, 546 pm8001_printk("Failed to load firmware image file %s," 547 " error %d\n", filename_ptr, err)); 548 err = FAIL_OPEN_BIOS_FILE; 549 goto out1; 550 } 551 552 switch (flash_command) { 553 case FLASH_CMD_UPDATE: 554 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 555 err = pm8001_update_flash(pm8001_ha); 556 break; 557 case FLASH_CMD_SET_NVMD: 558 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 559 err = pm8001_set_nvmd(pm8001_ha); 560 break; 561 default: 562 pm8001_ha->fw_status = FAIL_PARAMETERS; 563 err = FAIL_PARAMETERS; 564 break; 565 } 566 release_firmware(pm8001_ha->fw_image); 567 out1: 568 kfree(cmd_ptr); 569 out: 570 pm8001_ha->fw_status = err; 571 572 if (!err) 573 return count; 574 else 575 return -err; 576 } 577 578 static ssize_t pm8001_show_update_fw(struct device *cdev, 579 struct device_attribute *attr, char *buf) 580 { 581 int i; 582 struct Scsi_Host *shost = class_to_shost(cdev); 583 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 584 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 585 586 for (i = 0; flash_error_table[i].err_code != 0; i++) { 587 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 588 break; 589 } 590 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 591 pm8001_ha->fw_status = FLASH_OK; 592 593 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 594 flash_error_table[i].err_code, 595 flash_error_table[i].reason); 596 } 597 598 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUGO, 599 pm8001_show_update_fw, pm8001_store_update_fw); 600 struct device_attribute *pm8001_host_attrs[] = { 601 &dev_attr_interface_rev, 602 &dev_attr_fw_version, 603 &dev_attr_update_fw, 604 &dev_attr_aap_log, 605 &dev_attr_iop_log, 606 &dev_attr_max_out_io, 607 &dev_attr_max_devices, 608 &dev_attr_max_sg_list, 609 &dev_attr_sas_spec_support, 610 &dev_attr_logging_level, 611 &dev_attr_host_sas_address, 612 NULL, 613 }; 614 615