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 */ 54static 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} 69static 70DEVICE_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 */ 79static 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} 100static 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 */ 108static 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} 123static 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 */ 131static 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} 148static 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 */ 157static 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} 174static 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 180static ssize_t 181show_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 */ 201static 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} 218static 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 */ 230static 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} 239static 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 */ 249static 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} 258static 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 273static 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 */ 282static 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} 310static 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 */ 317static 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 342static 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 350static 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} 374static 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 */ 381static 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 int bios_index; 389 DECLARE_COMPLETION_ONSTACK(completion); 390 struct pm8001_ioctl_payload payload; 391 392 pm8001_ha->nvmd_completion = &completion; 393 payload.minor_function = 7; 394 payload.offset = 0; 395 payload.length = 4096; 396 payload.func_specific = kzalloc(4096, GFP_KERNEL); 397 if (!payload.func_specific) 398 return -ENOMEM; 399 if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) { 400 kfree(payload.func_specific); 401 return -ENOMEM; 402 } 403 wait_for_completion(&completion); 404 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 405 bios_index++) 406 str += sprintf(str, "%c", 407 *(payload.func_specific+bios_index)); 408 kfree(payload.func_specific); 409 return str - buf; 410} 411static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 412/** 413 * pm8001_ctl_aap_log_show - IOP event log 414 * @cdev: pointer to embedded class device 415 * @buf: the buffer returned 416 * 417 * A sysfs 'read-only' shost attribute. 418 */ 419static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 420 struct device_attribute *attr, char *buf) 421{ 422 struct Scsi_Host *shost = class_to_shost(cdev); 423 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 424 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 425#define IOP_MEMMAP(r, c) \ 426 (*(u32 *)((u8*)pm8001_ha->memoryMap.region[IOP].virt_ptr + (r) * 32 \ 427 + (c))) 428 int i; 429 char *str = buf; 430 int max = 2; 431 for (i = 0; i < max; i++) { 432 str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 433 "0x%08x 0x%08x\n", 434 IOP_MEMMAP(i, 0), 435 IOP_MEMMAP(i, 4), 436 IOP_MEMMAP(i, 8), 437 IOP_MEMMAP(i, 12), 438 IOP_MEMMAP(i, 16), 439 IOP_MEMMAP(i, 20), 440 IOP_MEMMAP(i, 24), 441 IOP_MEMMAP(i, 28)); 442 } 443 444 return str - buf; 445} 446static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 447 448/** 449 ** pm8001_ctl_fatal_log_show - fatal error logging 450 ** @cdev:pointer to embedded class device 451 ** @buf: the buffer returned 452 ** 453 ** A sysfs 'read-only' shost attribute. 454 **/ 455 456static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 457 struct device_attribute *attr, char *buf) 458{ 459 ssize_t count; 460 461 count = pm80xx_get_fatal_dump(cdev, attr, buf); 462 return count; 463} 464 465static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 466 467 468/** 469 ** pm8001_ctl_gsm_log_show - gsm dump collection 470 ** @cdev:pointer to embedded class device 471 ** @buf: the buffer returned 472 **A sysfs 'read-only' shost attribute. 473 **/ 474static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 475 struct device_attribute *attr, char *buf) 476{ 477 ssize_t count; 478 479 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 480 return count; 481} 482 483static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 484 485#define FLASH_CMD_NONE 0x00 486#define FLASH_CMD_UPDATE 0x01 487#define FLASH_CMD_SET_NVMD 0x02 488 489struct flash_command { 490 u8 command[8]; 491 int code; 492}; 493 494static struct flash_command flash_command_table[] = 495{ 496 {"set_nvmd", FLASH_CMD_SET_NVMD}, 497 {"update", FLASH_CMD_UPDATE}, 498 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 499}; 500 501struct error_fw { 502 char *reason; 503 int err_code; 504}; 505 506static struct error_fw flash_error_table[] = 507{ 508 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 509 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 510 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 511 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 512 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 513 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 514 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 515 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 516 {"Flash in progress", FLASH_IN_PROGRESS}, 517 {"Image file size Error", FAIL_FILE_SIZE}, 518 {"Input parameter error", FAIL_PARAMETERS}, 519 {"Out of memory", FAIL_OUT_MEMORY}, 520 {"OK", 0} /* Last entry err_code = 0. */ 521}; 522 523static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 524{ 525 struct pm8001_ioctl_payload *payload; 526 DECLARE_COMPLETION_ONSTACK(completion); 527 u8 *ioctlbuffer; 528 u32 ret; 529 u32 length = 1024 * 5 + sizeof(*payload) - 1; 530 531 if (pm8001_ha->fw_image->size > 4096) { 532 pm8001_ha->fw_status = FAIL_FILE_SIZE; 533 return -EFAULT; 534 } 535 536 ioctlbuffer = kzalloc(length, GFP_KERNEL); 537 if (!ioctlbuffer) { 538 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 539 return -ENOMEM; 540 } 541 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 542 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 543 pm8001_ha->fw_image->size); 544 payload->length = pm8001_ha->fw_image->size; 545 payload->id = 0; 546 payload->minor_function = 0x1; 547 pm8001_ha->nvmd_completion = &completion; 548 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 549 if (ret) { 550 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 551 goto out; 552 } 553 wait_for_completion(&completion); 554out: 555 kfree(ioctlbuffer); 556 return ret; 557} 558 559static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 560{ 561 struct pm8001_ioctl_payload *payload; 562 DECLARE_COMPLETION_ONSTACK(completion); 563 u8 *ioctlbuffer; 564 struct fw_control_info *fwControl; 565 u32 partitionSize, partitionSizeTmp; 566 u32 loopNumber, loopcount; 567 struct pm8001_fw_image_header *image_hdr; 568 u32 sizeRead = 0; 569 u32 ret = 0; 570 u32 length = 1024 * 16 + sizeof(*payload) - 1; 571 572 if (pm8001_ha->fw_image->size < 28) { 573 pm8001_ha->fw_status = FAIL_FILE_SIZE; 574 return -EFAULT; 575 } 576 ioctlbuffer = kzalloc(length, GFP_KERNEL); 577 if (!ioctlbuffer) { 578 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 579 return -ENOMEM; 580 } 581 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 582 while (sizeRead < pm8001_ha->fw_image->size) { 583 partitionSizeTmp = 584 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 585 partitionSize = be32_to_cpu(partitionSizeTmp); 586 loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, 587 IOCTL_BUF_SIZE); 588 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 589 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 590 payload->length = 1024*16; 591 payload->id = 0; 592 fwControl = 593 (struct fw_control_info *)&payload->func_specific; 594 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 595 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 596 fwControl->retcode = 0;/* OUT */ 597 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 598 599 /* for the last chunk of data in case file size is not even with 600 4k, load only the rest*/ 601 if (((loopcount-loopNumber) == 1) && 602 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 603 fwControl->len = 604 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 605 memcpy((u8 *)fwControl->buffer, 606 (u8 *)pm8001_ha->fw_image->data + sizeRead, 607 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 608 sizeRead += 609 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 610 } else { 611 memcpy((u8 *)fwControl->buffer, 612 (u8 *)pm8001_ha->fw_image->data + sizeRead, 613 IOCTL_BUF_SIZE); 614 sizeRead += IOCTL_BUF_SIZE; 615 } 616 617 pm8001_ha->nvmd_completion = &completion; 618 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 619 if (ret) { 620 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 621 goto out; 622 } 623 wait_for_completion(&completion); 624 if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { 625 pm8001_ha->fw_status = fwControl->retcode; 626 ret = -EFAULT; 627 goto out; 628 } 629 } 630 } 631out: 632 kfree(ioctlbuffer); 633 return ret; 634} 635static ssize_t pm8001_store_update_fw(struct device *cdev, 636 struct device_attribute *attr, 637 const char *buf, size_t count) 638{ 639 struct Scsi_Host *shost = class_to_shost(cdev); 640 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 641 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 642 char *cmd_ptr, *filename_ptr; 643 int res, i; 644 int flash_command = FLASH_CMD_NONE; 645 int ret; 646 647 if (!capable(CAP_SYS_ADMIN)) 648 return -EACCES; 649 650 /* this test protects us from running two flash processes at once, 651 * so we should start with this test */ 652 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) 653 return -EINPROGRESS; 654 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 655 656 cmd_ptr = kzalloc(count*2, GFP_KERNEL); 657 if (!cmd_ptr) { 658 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 659 return -ENOMEM; 660 } 661 662 filename_ptr = cmd_ptr + count; 663 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 664 if (res != 2) { 665 pm8001_ha->fw_status = FAIL_PARAMETERS; 666 ret = -EINVAL; 667 goto out; 668 } 669 670 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 671 if (!memcmp(flash_command_table[i].command, 672 cmd_ptr, strlen(cmd_ptr))) { 673 flash_command = flash_command_table[i].code; 674 break; 675 } 676 } 677 if (flash_command == FLASH_CMD_NONE) { 678 pm8001_ha->fw_status = FAIL_PARAMETERS; 679 ret = -EINVAL; 680 goto out; 681 } 682 683 ret = request_firmware(&pm8001_ha->fw_image, 684 filename_ptr, 685 pm8001_ha->dev); 686 687 if (ret) { 688 PM8001_FAIL_DBG(pm8001_ha, 689 pm8001_printk( 690 "Failed to load firmware image file %s, error %d\n", 691 filename_ptr, ret)); 692 pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; 693 goto out; 694 } 695 696 if (FLASH_CMD_UPDATE == flash_command) 697 ret = pm8001_update_flash(pm8001_ha); 698 else 699 ret = pm8001_set_nvmd(pm8001_ha); 700 701 release_firmware(pm8001_ha->fw_image); 702out: 703 kfree(cmd_ptr); 704 705 if (ret) 706 return ret; 707 708 pm8001_ha->fw_status = FLASH_OK; 709 return count; 710} 711 712static 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 732static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 733 pm8001_show_update_fw, pm8001_store_update_fw); 734struct 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