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 * controller_fatal_error_show - check controller is under fatal err 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 controller_fatal_error_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 return snprintf(buf, PAGE_SIZE, "%d\n", 87 pm8001_ha->controller_fatal_error); 88 } 89 static DEVICE_ATTR_RO(controller_fatal_error); 90 91 /** 92 * pm8001_ctl_fw_version_show - firmware version 93 * @cdev: pointer to embedded class device 94 * @buf: the buffer returned 95 * 96 * A sysfs 'read-only' shost attribute. 97 */ 98 static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, 99 struct device_attribute *attr, char *buf) 100 { 101 struct Scsi_Host *shost = class_to_shost(cdev); 102 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 103 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 104 105 if (pm8001_ha->chip_id == chip_8001) { 106 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 107 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), 108 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), 109 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), 110 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); 111 } else { 112 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 113 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), 114 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), 115 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), 116 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); 117 } 118 } 119 static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); 120 121 /** 122 * pm8001_ctl_ila_version_show - ila version 123 * @cdev: pointer to embedded class device 124 * @buf: the buffer returned 125 * 126 * A sysfs 'read-only' shost attribute. 127 */ 128 static ssize_t pm8001_ctl_ila_version_show(struct device *cdev, 129 struct device_attribute *attr, char *buf) 130 { 131 struct Scsi_Host *shost = class_to_shost(cdev); 132 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 133 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 134 135 if (pm8001_ha->chip_id != chip_8001) { 136 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 137 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24), 138 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16), 139 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8), 140 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version)); 141 } 142 return 0; 143 } 144 static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL); 145 146 /** 147 * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number 148 * @cdev: pointer to embedded class device 149 * @buf: the buffer returned 150 * 151 * A sysfs 'read-only' shost attribute. 152 */ 153 static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev, 154 struct device_attribute *attr, char *buf) 155 { 156 struct Scsi_Host *shost = class_to_shost(cdev); 157 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 158 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 159 160 if (pm8001_ha->chip_id != chip_8001) { 161 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 162 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24), 163 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16), 164 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8), 165 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version)); 166 } 167 return 0; 168 } 169 static 170 DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL); 171 172 /** 173 * pm8001_ctl_max_out_io_show - max outstanding io supported 174 * @cdev: pointer to embedded class device 175 * @buf: the buffer returned 176 * 177 * A sysfs 'read-only' shost attribute. 178 */ 179 static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, 180 struct device_attribute *attr, char *buf) 181 { 182 struct Scsi_Host *shost = class_to_shost(cdev); 183 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 184 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 185 186 if (pm8001_ha->chip_id == chip_8001) { 187 return snprintf(buf, PAGE_SIZE, "%d\n", 188 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); 189 } else { 190 return snprintf(buf, PAGE_SIZE, "%d\n", 191 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io); 192 } 193 } 194 static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); 195 /** 196 * pm8001_ctl_max_devices_show - max devices support 197 * @cdev: pointer to embedded class device 198 * @buf: the buffer returned 199 * 200 * A sysfs 'read-only' shost attribute. 201 */ 202 static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, 203 struct device_attribute *attr, char *buf) 204 { 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; 208 209 if (pm8001_ha->chip_id == chip_8001) { 210 return snprintf(buf, PAGE_SIZE, "%04d\n", 211 (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) 212 ); 213 } else { 214 return snprintf(buf, PAGE_SIZE, "%04d\n", 215 (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16) 216 ); 217 } 218 } 219 static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); 220 /** 221 * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no 222 * hardware limitation 223 * @cdev: pointer to embedded class device 224 * @buf: the buffer returned 225 * 226 * A sysfs 'read-only' shost attribute. 227 */ 228 static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, 229 struct device_attribute *attr, char *buf) 230 { 231 struct Scsi_Host *shost = class_to_shost(cdev); 232 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 233 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 234 235 if (pm8001_ha->chip_id == chip_8001) { 236 return snprintf(buf, PAGE_SIZE, "%04d\n", 237 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF 238 ); 239 } else { 240 return snprintf(buf, PAGE_SIZE, "%04d\n", 241 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF 242 ); 243 } 244 } 245 static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); 246 247 #define SAS_1_0 0x1 248 #define SAS_1_1 0x2 249 #define SAS_2_0 0x4 250 251 static ssize_t 252 show_sas_spec_support_status(unsigned int mode, char *buf) 253 { 254 ssize_t len = 0; 255 256 if (mode & SAS_1_1) 257 len = sprintf(buf, "%s", "SAS1.1"); 258 if (mode & SAS_2_0) 259 len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); 260 len += sprintf(buf + len, "\n"); 261 262 return len; 263 } 264 265 /** 266 * pm8001_ctl_sas_spec_support_show - sas spec supported 267 * @cdev: pointer to embedded class device 268 * @buf: the buffer returned 269 * 270 * A sysfs 'read-only' shost attribute. 271 */ 272 static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, 273 struct device_attribute *attr, char *buf) 274 { 275 unsigned int mode; 276 struct Scsi_Host *shost = class_to_shost(cdev); 277 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 278 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 279 /* fe000000 means supports SAS2.1 */ 280 if (pm8001_ha->chip_id == chip_8001) 281 mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & 282 0xfe000000)>>25; 283 else 284 /* fe000000 means supports SAS2.1 */ 285 mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag & 286 0xfe000000)>>25; 287 return show_sas_spec_support_status(mode, buf); 288 } 289 static DEVICE_ATTR(sas_spec_support, S_IRUGO, 290 pm8001_ctl_sas_spec_support_show, NULL); 291 292 /** 293 * pm8001_ctl_sas_address_show - sas address 294 * @cdev: pointer to embedded class device 295 * @buf: the buffer returned 296 * 297 * This is the controller sas address 298 * 299 * A sysfs 'read-only' shost attribute. 300 */ 301 static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, 302 struct device_attribute *attr, char *buf) 303 { 304 struct Scsi_Host *shost = class_to_shost(cdev); 305 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 306 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 307 return snprintf(buf, PAGE_SIZE, "0x%016llx\n", 308 be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); 309 } 310 static DEVICE_ATTR(host_sas_address, S_IRUGO, 311 pm8001_ctl_host_sas_address_show, NULL); 312 313 /** 314 * pm8001_ctl_logging_level_show - logging level 315 * @cdev: pointer to embedded class device 316 * @buf: the buffer returned 317 * 318 * A sysfs 'read/write' shost attribute. 319 */ 320 static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, 321 struct device_attribute *attr, char *buf) 322 { 323 struct Scsi_Host *shost = class_to_shost(cdev); 324 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 325 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 326 327 return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); 328 } 329 static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, 330 struct device_attribute *attr, const char *buf, size_t count) 331 { 332 struct Scsi_Host *shost = class_to_shost(cdev); 333 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 334 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 335 int val = 0; 336 337 if (sscanf(buf, "%x", &val) != 1) 338 return -EINVAL; 339 340 pm8001_ha->logging_level = val; 341 return strlen(buf); 342 } 343 344 static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, 345 pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); 346 /** 347 * pm8001_ctl_aap_log_show - aap1 event log 348 * @cdev: pointer to embedded class device 349 * @buf: the buffer returned 350 * 351 * A sysfs 'read-only' shost attribute. 352 */ 353 static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, 354 struct device_attribute *attr, char *buf) 355 { 356 struct Scsi_Host *shost = class_to_shost(cdev); 357 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 358 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 359 int i; 360 #define AAP1_MEMMAP(r, c) \ 361 (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \ 362 + (c))) 363 364 char *str = buf; 365 int max = 2; 366 for (i = 0; i < max; i++) { 367 str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 368 "0x%08x 0x%08x\n", 369 AAP1_MEMMAP(i, 0), 370 AAP1_MEMMAP(i, 4), 371 AAP1_MEMMAP(i, 8), 372 AAP1_MEMMAP(i, 12), 373 AAP1_MEMMAP(i, 16), 374 AAP1_MEMMAP(i, 20), 375 AAP1_MEMMAP(i, 24), 376 AAP1_MEMMAP(i, 28)); 377 } 378 379 return str - buf; 380 } 381 static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); 382 /** 383 * pm8001_ctl_ib_queue_log_show - Out bound Queue log 384 * @cdev:pointer to embedded class device 385 * @buf: the buffer returned 386 * A sysfs 'read-only' shost attribute. 387 */ 388 static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev, 389 struct device_attribute *attr, char *buf) 390 { 391 struct Scsi_Host *shost = class_to_shost(cdev); 392 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 393 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 394 int offset; 395 char *str = buf; 396 int start = 0; 397 #define IB_MEMMAP(c) \ 398 (*(u32 *)((u8 *)pm8001_ha-> \ 399 memoryMap.region[IB].virt_ptr + \ 400 pm8001_ha->evtlog_ib_offset + (c))) 401 402 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 403 str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); 404 start = start + 4; 405 } 406 pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; 407 if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 408 pm8001_ha->evtlog_ib_offset = 0; 409 410 return str - buf; 411 } 412 413 static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL); 414 /** 415 * pm8001_ctl_ob_queue_log_show - Out bound Queue log 416 * @cdev:pointer to embedded class device 417 * @buf: the buffer returned 418 * A sysfs 'read-only' shost attribute. 419 */ 420 421 static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 422 struct device_attribute *attr, char *buf) 423 { 424 struct Scsi_Host *shost = class_to_shost(cdev); 425 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 426 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 427 int offset; 428 char *str = buf; 429 int start = 0; 430 #define OB_MEMMAP(c) \ 431 (*(u32 *)((u8 *)pm8001_ha-> \ 432 memoryMap.region[OB].virt_ptr + \ 433 pm8001_ha->evtlog_ob_offset + (c))) 434 435 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 436 str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 437 start = start + 4; 438 } 439 pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 440 if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 441 pm8001_ha->evtlog_ob_offset = 0; 442 443 return str - buf; 444 } 445 static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 446 /** 447 * pm8001_ctl_bios_version_show - Bios version Display 448 * @cdev:pointer to embedded class device 449 * @buf:the buffer returned 450 * A sysfs 'read-only' shost attribute. 451 */ 452 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 453 struct device_attribute *attr, char *buf) 454 { 455 struct Scsi_Host *shost = class_to_shost(cdev); 456 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 457 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 458 char *str = buf; 459 int bios_index; 460 DECLARE_COMPLETION_ONSTACK(completion); 461 struct pm8001_ioctl_payload payload; 462 463 pm8001_ha->nvmd_completion = &completion; 464 payload.minor_function = 7; 465 payload.offset = 0; 466 payload.rd_length = 4096; 467 payload.func_specific = kzalloc(4096, GFP_KERNEL); 468 if (!payload.func_specific) 469 return -ENOMEM; 470 if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) { 471 kfree(payload.func_specific); 472 return -ENOMEM; 473 } 474 wait_for_completion(&completion); 475 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 476 bios_index++) 477 str += sprintf(str, "%c", 478 *(payload.func_specific+bios_index)); 479 kfree(payload.func_specific); 480 return str - buf; 481 } 482 static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 483 /** 484 * event_log_size_show - event log size 485 * @cdev: pointer to embedded class device 486 * @buf: the buffer returned 487 * 488 * A sysfs read shost attribute. 489 */ 490 static ssize_t event_log_size_show(struct device *cdev, 491 struct device_attribute *attr, char *buf) 492 { 493 struct Scsi_Host *shost = class_to_shost(cdev); 494 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 495 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 496 497 return snprintf(buf, PAGE_SIZE, "%d\n", 498 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size); 499 } 500 static DEVICE_ATTR_RO(event_log_size); 501 /** 502 * pm8001_ctl_aap_log_show - IOP event log 503 * @cdev: pointer to embedded class device 504 * @buf: the buffer returned 505 * 506 * A sysfs 'read-only' shost attribute. 507 */ 508 static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 509 struct device_attribute *attr, char *buf) 510 { 511 struct Scsi_Host *shost = class_to_shost(cdev); 512 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 513 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 514 char *str = buf; 515 u32 read_size = 516 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024; 517 static u32 start, end, count; 518 u32 max_read_times = 32; 519 u32 max_count = (read_size * 1024) / (max_read_times * 4); 520 u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr; 521 522 if ((count % max_count) == 0) { 523 start = 0; 524 end = max_read_times; 525 count = 0; 526 } else { 527 start = end; 528 end = end + max_read_times; 529 } 530 531 for (; start < end; start++) 532 str += sprintf(str, "%08x ", *(temp+start)); 533 count++; 534 return str - buf; 535 } 536 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 537 538 /** 539 ** pm8001_ctl_fatal_log_show - fatal error logging 540 ** @cdev:pointer to embedded class device 541 ** @buf: the buffer returned 542 ** 543 ** A sysfs 'read-only' shost attribute. 544 **/ 545 546 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 547 struct device_attribute *attr, char *buf) 548 { 549 ssize_t count; 550 551 count = pm80xx_get_fatal_dump(cdev, attr, buf); 552 return count; 553 } 554 555 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 556 557 /** 558 ** non_fatal_log_show - non fatal error logging 559 ** @cdev:pointer to embedded class device 560 ** @buf: the buffer returned 561 ** 562 ** A sysfs 'read-only' shost attribute. 563 **/ 564 static ssize_t non_fatal_log_show(struct device *cdev, 565 struct device_attribute *attr, char *buf) 566 { 567 u32 count; 568 569 count = pm80xx_get_non_fatal_dump(cdev, attr, buf); 570 return count; 571 } 572 static DEVICE_ATTR_RO(non_fatal_log); 573 574 static ssize_t non_fatal_count_show(struct device *cdev, 575 struct device_attribute *attr, char *buf) 576 { 577 struct Scsi_Host *shost = class_to_shost(cdev); 578 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 579 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 580 581 return snprintf(buf, PAGE_SIZE, "%08x", 582 pm8001_ha->non_fatal_count); 583 } 584 585 static ssize_t non_fatal_count_store(struct device *cdev, 586 struct device_attribute *attr, const char *buf, size_t count) 587 { 588 struct Scsi_Host *shost = class_to_shost(cdev); 589 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 590 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 591 int val = 0; 592 593 if (kstrtoint(buf, 16, &val) != 0) 594 return -EINVAL; 595 596 pm8001_ha->non_fatal_count = val; 597 return strlen(buf); 598 } 599 static DEVICE_ATTR_RW(non_fatal_count); 600 601 /** 602 ** pm8001_ctl_gsm_log_show - gsm dump collection 603 ** @cdev:pointer to embedded class device 604 ** @buf: the buffer returned 605 **A sysfs 'read-only' shost attribute. 606 **/ 607 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 608 struct device_attribute *attr, char *buf) 609 { 610 ssize_t count; 611 612 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 613 return count; 614 } 615 616 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 617 618 #define FLASH_CMD_NONE 0x00 619 #define FLASH_CMD_UPDATE 0x01 620 #define FLASH_CMD_SET_NVMD 0x02 621 622 struct flash_command { 623 u8 command[8]; 624 int code; 625 }; 626 627 static struct flash_command flash_command_table[] = 628 { 629 {"set_nvmd", FLASH_CMD_SET_NVMD}, 630 {"update", FLASH_CMD_UPDATE}, 631 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 632 }; 633 634 struct error_fw { 635 char *reason; 636 int err_code; 637 }; 638 639 static struct error_fw flash_error_table[] = 640 { 641 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 642 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 643 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 644 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 645 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 646 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 647 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 648 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 649 {"Flash in progress", FLASH_IN_PROGRESS}, 650 {"Image file size Error", FAIL_FILE_SIZE}, 651 {"Input parameter error", FAIL_PARAMETERS}, 652 {"Out of memory", FAIL_OUT_MEMORY}, 653 {"OK", 0} /* Last entry err_code = 0. */ 654 }; 655 656 static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 657 { 658 struct pm8001_ioctl_payload *payload; 659 DECLARE_COMPLETION_ONSTACK(completion); 660 u8 *ioctlbuffer; 661 u32 ret; 662 u32 length = 1024 * 5 + sizeof(*payload) - 1; 663 664 if (pm8001_ha->fw_image->size > 4096) { 665 pm8001_ha->fw_status = FAIL_FILE_SIZE; 666 return -EFAULT; 667 } 668 669 ioctlbuffer = kzalloc(length, GFP_KERNEL); 670 if (!ioctlbuffer) { 671 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 672 return -ENOMEM; 673 } 674 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 675 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 676 pm8001_ha->fw_image->size); 677 payload->wr_length = pm8001_ha->fw_image->size; 678 payload->id = 0; 679 payload->minor_function = 0x1; 680 pm8001_ha->nvmd_completion = &completion; 681 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 682 if (ret) { 683 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 684 goto out; 685 } 686 wait_for_completion(&completion); 687 out: 688 kfree(ioctlbuffer); 689 return ret; 690 } 691 692 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 693 { 694 struct pm8001_ioctl_payload *payload; 695 DECLARE_COMPLETION_ONSTACK(completion); 696 u8 *ioctlbuffer; 697 struct fw_control_info *fwControl; 698 u32 partitionSize, partitionSizeTmp; 699 u32 loopNumber, loopcount; 700 struct pm8001_fw_image_header *image_hdr; 701 u32 sizeRead = 0; 702 u32 ret = 0; 703 u32 length = 1024 * 16 + sizeof(*payload) - 1; 704 705 if (pm8001_ha->fw_image->size < 28) { 706 pm8001_ha->fw_status = FAIL_FILE_SIZE; 707 return -EFAULT; 708 } 709 ioctlbuffer = kzalloc(length, GFP_KERNEL); 710 if (!ioctlbuffer) { 711 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 712 return -ENOMEM; 713 } 714 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 715 while (sizeRead < pm8001_ha->fw_image->size) { 716 partitionSizeTmp = 717 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 718 partitionSize = be32_to_cpu(partitionSizeTmp); 719 loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, 720 IOCTL_BUF_SIZE); 721 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 722 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 723 payload->wr_length = 1024*16; 724 payload->id = 0; 725 fwControl = 726 (struct fw_control_info *)&payload->func_specific; 727 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 728 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 729 fwControl->retcode = 0;/* OUT */ 730 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 731 732 /* for the last chunk of data in case file size is not even with 733 4k, load only the rest*/ 734 if (((loopcount-loopNumber) == 1) && 735 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 736 fwControl->len = 737 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 738 memcpy((u8 *)fwControl->buffer, 739 (u8 *)pm8001_ha->fw_image->data + sizeRead, 740 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 741 sizeRead += 742 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 743 } else { 744 memcpy((u8 *)fwControl->buffer, 745 (u8 *)pm8001_ha->fw_image->data + sizeRead, 746 IOCTL_BUF_SIZE); 747 sizeRead += IOCTL_BUF_SIZE; 748 } 749 750 pm8001_ha->nvmd_completion = &completion; 751 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 752 if (ret) { 753 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 754 goto out; 755 } 756 wait_for_completion(&completion); 757 if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { 758 pm8001_ha->fw_status = fwControl->retcode; 759 ret = -EFAULT; 760 goto out; 761 } 762 } 763 } 764 out: 765 kfree(ioctlbuffer); 766 return ret; 767 } 768 static ssize_t pm8001_store_update_fw(struct device *cdev, 769 struct device_attribute *attr, 770 const char *buf, size_t count) 771 { 772 struct Scsi_Host *shost = class_to_shost(cdev); 773 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 774 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 775 char *cmd_ptr, *filename_ptr; 776 int res, i; 777 int flash_command = FLASH_CMD_NONE; 778 int ret; 779 780 if (!capable(CAP_SYS_ADMIN)) 781 return -EACCES; 782 783 /* this test protects us from running two flash processes at once, 784 * so we should start with this test */ 785 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) 786 return -EINPROGRESS; 787 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 788 789 cmd_ptr = kcalloc(count, 2, GFP_KERNEL); 790 if (!cmd_ptr) { 791 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 792 return -ENOMEM; 793 } 794 795 filename_ptr = cmd_ptr + count; 796 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 797 if (res != 2) { 798 pm8001_ha->fw_status = FAIL_PARAMETERS; 799 ret = -EINVAL; 800 goto out; 801 } 802 803 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 804 if (!memcmp(flash_command_table[i].command, 805 cmd_ptr, strlen(cmd_ptr))) { 806 flash_command = flash_command_table[i].code; 807 break; 808 } 809 } 810 if (flash_command == FLASH_CMD_NONE) { 811 pm8001_ha->fw_status = FAIL_PARAMETERS; 812 ret = -EINVAL; 813 goto out; 814 } 815 816 ret = request_firmware(&pm8001_ha->fw_image, 817 filename_ptr, 818 pm8001_ha->dev); 819 820 if (ret) { 821 PM8001_FAIL_DBG(pm8001_ha, 822 pm8001_printk( 823 "Failed to load firmware image file %s, error %d\n", 824 filename_ptr, ret)); 825 pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; 826 goto out; 827 } 828 829 if (FLASH_CMD_UPDATE == flash_command) 830 ret = pm8001_update_flash(pm8001_ha); 831 else 832 ret = pm8001_set_nvmd(pm8001_ha); 833 834 release_firmware(pm8001_ha->fw_image); 835 out: 836 kfree(cmd_ptr); 837 838 if (ret) 839 return ret; 840 841 pm8001_ha->fw_status = FLASH_OK; 842 return count; 843 } 844 845 static ssize_t pm8001_show_update_fw(struct device *cdev, 846 struct device_attribute *attr, char *buf) 847 { 848 int i; 849 struct Scsi_Host *shost = class_to_shost(cdev); 850 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 851 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 852 853 for (i = 0; flash_error_table[i].err_code != 0; i++) { 854 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 855 break; 856 } 857 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 858 pm8001_ha->fw_status = FLASH_OK; 859 860 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 861 flash_error_table[i].err_code, 862 flash_error_table[i].reason); 863 } 864 865 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 866 pm8001_show_update_fw, pm8001_store_update_fw); 867 struct device_attribute *pm8001_host_attrs[] = { 868 &dev_attr_interface_rev, 869 &dev_attr_controller_fatal_error, 870 &dev_attr_fw_version, 871 &dev_attr_update_fw, 872 &dev_attr_aap_log, 873 &dev_attr_iop_log, 874 &dev_attr_fatal_log, 875 &dev_attr_non_fatal_log, 876 &dev_attr_non_fatal_count, 877 &dev_attr_gsm_log, 878 &dev_attr_max_out_io, 879 &dev_attr_max_devices, 880 &dev_attr_max_sg_list, 881 &dev_attr_sas_spec_support, 882 &dev_attr_logging_level, 883 &dev_attr_event_log_size, 884 &dev_attr_host_sas_address, 885 &dev_attr_bios_version, 886 &dev_attr_ib_log, 887 &dev_attr_ob_log, 888 &dev_attr_ila_version, 889 &dev_attr_inc_fw_ver, 890 NULL, 891 }; 892 893