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_ib_queue_log_show - Out bound Queue log 313 * @cdev:pointer to embedded class device 314 * @buf: the buffer returned 315 * A sysfs 'read-only' shost attribute. 316 */ 317 static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev, 318 struct device_attribute *attr, char *buf) 319 { 320 struct Scsi_Host *shost = class_to_shost(cdev); 321 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 322 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 323 int offset; 324 char *str = buf; 325 int start = 0; 326 #define IB_MEMMAP(c) \ 327 (*(u32 *)((u8 *)pm8001_ha-> \ 328 memoryMap.region[IB].virt_ptr + \ 329 pm8001_ha->evtlog_ib_offset + (c))) 330 331 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 332 str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); 333 start = start + 4; 334 } 335 pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; 336 if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 337 pm8001_ha->evtlog_ib_offset = 0; 338 339 return str - buf; 340 } 341 342 static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL); 343 /** 344 * pm8001_ctl_ob_queue_log_show - Out bound Queue log 345 * @cdev:pointer to embedded class device 346 * @buf: the buffer returned 347 * A sysfs 'read-only' shost attribute. 348 */ 349 350 static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 351 struct device_attribute *attr, char *buf) 352 { 353 struct Scsi_Host *shost = class_to_shost(cdev); 354 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 355 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 356 int offset; 357 char *str = buf; 358 int start = 0; 359 #define OB_MEMMAP(c) \ 360 (*(u32 *)((u8 *)pm8001_ha-> \ 361 memoryMap.region[OB].virt_ptr + \ 362 pm8001_ha->evtlog_ob_offset + (c))) 363 364 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 365 str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 366 start = start + 4; 367 } 368 pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 369 if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 370 pm8001_ha->evtlog_ob_offset = 0; 371 372 return str - buf; 373 } 374 static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 375 /** 376 * pm8001_ctl_bios_version_show - Bios version Display 377 * @cdev:pointer to embedded class device 378 * @buf:the buffer returned 379 * A sysfs 'read-only' shost attribute. 380 */ 381 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 382 struct device_attribute *attr, char *buf) 383 { 384 struct Scsi_Host *shost = class_to_shost(cdev); 385 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 386 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 387 char *str = buf; 388 void *virt_addr; 389 int bios_index; 390 DECLARE_COMPLETION_ONSTACK(completion); 391 struct pm8001_ioctl_payload payload; 392 393 pm8001_ha->nvmd_completion = &completion; 394 payload.minor_function = 7; 395 payload.offset = 0; 396 payload.length = 4096; 397 payload.func_specific = kzalloc(4096, GFP_KERNEL); 398 if (!payload.func_specific) 399 return -ENOMEM; 400 PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 401 wait_for_completion(&completion); 402 virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr; 403 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 404 bios_index++) 405 str += sprintf(str, "%c", 406 *((u8 *)((u8 *)virt_addr+bios_index))); 407 kfree(payload.func_specific); 408 return str - buf; 409 } 410 static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 411 /** 412 * pm8001_ctl_aap_log_show - IOP event log 413 * @cdev: pointer to embedded class device 414 * @buf: the buffer returned 415 * 416 * A sysfs 'read-only' shost attribute. 417 */ 418 static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 419 struct device_attribute *attr, char *buf) 420 { 421 struct Scsi_Host *shost = class_to_shost(cdev); 422 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 423 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 424 #define IOP_MEMMAP(r, c) \ 425 (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \ 426 + (c))) 427 int i; 428 char *str = buf; 429 int max = 2; 430 for (i = 0; i < max; i++) { 431 str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 432 "0x%08x 0x%08x\n", 433 IOP_MEMMAP(i, 0), 434 IOP_MEMMAP(i, 4), 435 IOP_MEMMAP(i, 8), 436 IOP_MEMMAP(i, 12), 437 IOP_MEMMAP(i, 16), 438 IOP_MEMMAP(i, 20), 439 IOP_MEMMAP(i, 24), 440 IOP_MEMMAP(i, 28)); 441 } 442 443 return str - buf; 444 } 445 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 446 447 /** 448 ** pm8001_ctl_fatal_log_show - fatal error logging 449 ** @cdev:pointer to embedded class device 450 ** @buf: the buffer returned 451 ** 452 ** A sysfs 'read-only' shost attribute. 453 **/ 454 455 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 456 struct device_attribute *attr, char *buf) 457 { 458 ssize_t count; 459 460 count = pm80xx_get_fatal_dump(cdev, attr, buf); 461 return count; 462 } 463 464 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 465 466 467 /** 468 ** pm8001_ctl_gsm_log_show - gsm dump collection 469 ** @cdev:pointer to embedded class device 470 ** @buf: the buffer returned 471 **A sysfs 'read-only' shost attribute. 472 **/ 473 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 474 struct device_attribute *attr, char *buf) 475 { 476 ssize_t count; 477 478 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 479 return count; 480 } 481 482 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 483 484 #define FLASH_CMD_NONE 0x00 485 #define FLASH_CMD_UPDATE 0x01 486 #define FLASH_CMD_SET_NVMD 0x02 487 488 struct flash_command { 489 u8 command[8]; 490 int code; 491 }; 492 493 static struct flash_command flash_command_table[] = 494 { 495 {"set_nvmd", FLASH_CMD_SET_NVMD}, 496 {"update", FLASH_CMD_UPDATE}, 497 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 498 }; 499 500 struct error_fw { 501 char *reason; 502 int err_code; 503 }; 504 505 static struct error_fw flash_error_table[] = 506 { 507 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 508 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 509 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 510 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 511 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 512 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 513 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 514 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 515 {"Flash in progress", FLASH_IN_PROGRESS}, 516 {"Image file size Error", FAIL_FILE_SIZE}, 517 {"Input parameter error", FAIL_PARAMETERS}, 518 {"Out of memory", FAIL_OUT_MEMORY}, 519 {"OK", 0} /* Last entry err_code = 0. */ 520 }; 521 522 static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 523 { 524 struct pm8001_ioctl_payload *payload; 525 DECLARE_COMPLETION_ONSTACK(completion); 526 u8 *ioctlbuffer = NULL; 527 u32 length = 0; 528 u32 ret = 0; 529 530 length = 1024 * 5 + sizeof(*payload) - 1; 531 ioctlbuffer = kzalloc(length, GFP_KERNEL); 532 if (!ioctlbuffer) 533 return -ENOMEM; 534 if ((pm8001_ha->fw_image->size <= 0) || 535 (pm8001_ha->fw_image->size > 4096)) { 536 ret = FAIL_FILE_SIZE; 537 goto out; 538 } 539 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 540 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 541 pm8001_ha->fw_image->size); 542 payload->length = pm8001_ha->fw_image->size; 543 payload->id = 0; 544 payload->minor_function = 0x1; 545 pm8001_ha->nvmd_completion = &completion; 546 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 547 wait_for_completion(&completion); 548 out: 549 kfree(ioctlbuffer); 550 return ret; 551 } 552 553 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 554 { 555 struct pm8001_ioctl_payload *payload; 556 DECLARE_COMPLETION_ONSTACK(completion); 557 u8 *ioctlbuffer = NULL; 558 u32 length = 0; 559 struct fw_control_info *fwControl; 560 u32 loopNumber, loopcount = 0; 561 u32 sizeRead = 0; 562 u32 partitionSize, partitionSizeTmp; 563 u32 ret = 0; 564 u32 partitionNumber = 0; 565 struct pm8001_fw_image_header *image_hdr; 566 567 length = 1024 * 16 + sizeof(*payload) - 1; 568 ioctlbuffer = kzalloc(length, GFP_KERNEL); 569 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 570 if (!ioctlbuffer) 571 return -ENOMEM; 572 if (pm8001_ha->fw_image->size < 28) { 573 ret = FAIL_FILE_SIZE; 574 goto out; 575 } 576 577 while (sizeRead < pm8001_ha->fw_image->size) { 578 partitionSizeTmp = 579 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 580 partitionSize = be32_to_cpu(partitionSizeTmp); 581 loopcount = (partitionSize + HEADER_LEN)/IOCTL_BUF_SIZE; 582 if (loopcount % IOCTL_BUF_SIZE) 583 loopcount++; 584 if (loopcount == 0) 585 loopcount++; 586 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 587 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 588 payload->length = 1024*16; 589 payload->id = 0; 590 fwControl = 591 (struct fw_control_info *)&payload->func_specific; 592 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 593 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 594 fwControl->retcode = 0;/* OUT */ 595 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 596 597 /* for the last chunk of data in case file size is not even with 598 4k, load only the rest*/ 599 if (((loopcount-loopNumber) == 1) && 600 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 601 fwControl->len = 602 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 603 memcpy((u8 *)fwControl->buffer, 604 (u8 *)pm8001_ha->fw_image->data + sizeRead, 605 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 606 sizeRead += 607 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 608 } else { 609 memcpy((u8 *)fwControl->buffer, 610 (u8 *)pm8001_ha->fw_image->data + sizeRead, 611 IOCTL_BUF_SIZE); 612 sizeRead += IOCTL_BUF_SIZE; 613 } 614 615 pm8001_ha->nvmd_completion = &completion; 616 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 617 wait_for_completion(&completion); 618 if (ret || (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS)) { 619 ret = fwControl->retcode; 620 kfree(ioctlbuffer); 621 ioctlbuffer = NULL; 622 break; 623 } 624 } 625 if (ret) 626 break; 627 partitionNumber++; 628 } 629 out: 630 kfree(ioctlbuffer); 631 return ret; 632 } 633 static ssize_t pm8001_store_update_fw(struct device *cdev, 634 struct device_attribute *attr, 635 const char *buf, size_t count) 636 { 637 struct Scsi_Host *shost = class_to_shost(cdev); 638 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 639 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 640 char *cmd_ptr, *filename_ptr; 641 int res, i; 642 int flash_command = FLASH_CMD_NONE; 643 int err = 0; 644 if (!capable(CAP_SYS_ADMIN)) 645 return -EACCES; 646 647 cmd_ptr = kzalloc(count*2, GFP_KERNEL); 648 649 if (!cmd_ptr) { 650 err = FAIL_OUT_MEMORY; 651 goto out; 652 } 653 654 filename_ptr = cmd_ptr + count; 655 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 656 if (res != 2) { 657 err = FAIL_PARAMETERS; 658 goto out1; 659 } 660 661 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 662 if (!memcmp(flash_command_table[i].command, 663 cmd_ptr, strlen(cmd_ptr))) { 664 flash_command = flash_command_table[i].code; 665 break; 666 } 667 } 668 if (flash_command == FLASH_CMD_NONE) { 669 err = FAIL_PARAMETERS; 670 goto out1; 671 } 672 673 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) { 674 err = FLASH_IN_PROGRESS; 675 goto out1; 676 } 677 err = request_firmware(&pm8001_ha->fw_image, 678 filename_ptr, 679 pm8001_ha->dev); 680 681 if (err) { 682 PM8001_FAIL_DBG(pm8001_ha, 683 pm8001_printk("Failed to load firmware image file %s," 684 " error %d\n", filename_ptr, err)); 685 err = FAIL_OPEN_BIOS_FILE; 686 goto out1; 687 } 688 689 switch (flash_command) { 690 case FLASH_CMD_UPDATE: 691 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 692 err = pm8001_update_flash(pm8001_ha); 693 break; 694 case FLASH_CMD_SET_NVMD: 695 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 696 err = pm8001_set_nvmd(pm8001_ha); 697 break; 698 default: 699 pm8001_ha->fw_status = FAIL_PARAMETERS; 700 err = FAIL_PARAMETERS; 701 break; 702 } 703 release_firmware(pm8001_ha->fw_image); 704 out1: 705 kfree(cmd_ptr); 706 out: 707 pm8001_ha->fw_status = err; 708 709 if (!err) 710 return count; 711 else 712 return -err; 713 } 714 715 static ssize_t pm8001_show_update_fw(struct device *cdev, 716 struct device_attribute *attr, char *buf) 717 { 718 int i; 719 struct Scsi_Host *shost = class_to_shost(cdev); 720 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 721 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 722 723 for (i = 0; flash_error_table[i].err_code != 0; i++) { 724 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 725 break; 726 } 727 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 728 pm8001_ha->fw_status = FLASH_OK; 729 730 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 731 flash_error_table[i].err_code, 732 flash_error_table[i].reason); 733 } 734 735 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 736 pm8001_show_update_fw, pm8001_store_update_fw); 737 struct device_attribute *pm8001_host_attrs[] = { 738 &dev_attr_interface_rev, 739 &dev_attr_fw_version, 740 &dev_attr_update_fw, 741 &dev_attr_aap_log, 742 &dev_attr_iop_log, 743 &dev_attr_fatal_log, 744 &dev_attr_gsm_log, 745 &dev_attr_max_out_io, 746 &dev_attr_max_devices, 747 &dev_attr_max_sg_list, 748 &dev_attr_sas_spec_support, 749 &dev_attr_logging_level, 750 &dev_attr_host_sas_address, 751 &dev_attr_bios_version, 752 &dev_attr_ib_log, 753 &dev_attr_ob_log, 754 NULL, 755 }; 756 757