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