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 * @attr: device attribute (unused) 51 * @buf: the buffer returned 52 * 53 * A sysfs 'read-only' shost attribute. 54 */ 55 static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev, 56 struct device_attribute *attr, char *buf) 57 { 58 struct Scsi_Host *shost = class_to_shost(cdev); 59 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 60 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 61 62 if (pm8001_ha->chip_id == chip_8001) { 63 return snprintf(buf, PAGE_SIZE, "%d\n", 64 pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev); 65 } else { 66 return snprintf(buf, PAGE_SIZE, "%d\n", 67 pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev); 68 } 69 } 70 static 71 DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); 72 73 /** 74 * controller_fatal_error_show - check controller is under fatal err 75 * @cdev: pointer to embedded class device 76 * @attr: device attribute (unused) 77 * @buf: the buffer returned 78 * 79 * A sysfs 'read only' shost attribute. 80 */ 81 static ssize_t controller_fatal_error_show(struct device *cdev, 82 struct device_attribute *attr, char *buf) 83 { 84 struct Scsi_Host *shost = class_to_shost(cdev); 85 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 86 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 87 88 return snprintf(buf, PAGE_SIZE, "%d\n", 89 pm8001_ha->controller_fatal_error); 90 } 91 static DEVICE_ATTR_RO(controller_fatal_error); 92 93 /** 94 * pm8001_ctl_fw_version_show - firmware version 95 * @cdev: pointer to embedded class device 96 * @attr: device attribute (unused) 97 * @buf: the buffer returned 98 * 99 * A sysfs 'read-only' shost attribute. 100 */ 101 static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, 102 struct device_attribute *attr, char *buf) 103 { 104 struct Scsi_Host *shost = class_to_shost(cdev); 105 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 106 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 107 108 if (pm8001_ha->chip_id == chip_8001) { 109 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 110 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), 111 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), 112 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), 113 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); 114 } else { 115 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 116 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), 117 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), 118 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), 119 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); 120 } 121 } 122 static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); 123 124 /** 125 * pm8001_ctl_ila_version_show - ila version 126 * @cdev: pointer to embedded class device 127 * @attr: device attribute (unused) 128 * @buf: the buffer returned 129 * 130 * A sysfs 'read-only' shost attribute. 131 */ 132 static ssize_t pm8001_ctl_ila_version_show(struct device *cdev, 133 struct device_attribute *attr, char *buf) 134 { 135 struct Scsi_Host *shost = class_to_shost(cdev); 136 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 137 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 138 139 if (pm8001_ha->chip_id != chip_8001) { 140 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 141 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24), 142 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16), 143 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8), 144 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version)); 145 } 146 return 0; 147 } 148 static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL); 149 150 /** 151 * pm8001_ctl_inactive_fw_version_show - Inacative firmware version number 152 * @cdev: pointer to embedded class device 153 * @attr: device attribute (unused) 154 * @buf: the buffer returned 155 * 156 * A sysfs 'read-only' shost attribute. 157 */ 158 static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev, 159 struct device_attribute *attr, char *buf) 160 { 161 struct Scsi_Host *shost = class_to_shost(cdev); 162 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 163 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 164 165 if (pm8001_ha->chip_id != chip_8001) { 166 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 167 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24), 168 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16), 169 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8), 170 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version)); 171 } 172 return 0; 173 } 174 static 175 DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL); 176 177 /** 178 * pm8001_ctl_max_out_io_show - max outstanding io supported 179 * @cdev: pointer to embedded class device 180 * @attr: device attribute (unused) 181 * @buf: the buffer returned 182 * 183 * A sysfs 'read-only' shost attribute. 184 */ 185 static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, 186 struct device_attribute *attr, char *buf) 187 { 188 struct Scsi_Host *shost = class_to_shost(cdev); 189 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 190 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 191 192 if (pm8001_ha->chip_id == chip_8001) { 193 return snprintf(buf, PAGE_SIZE, "%d\n", 194 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); 195 } else { 196 return snprintf(buf, PAGE_SIZE, "%d\n", 197 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io); 198 } 199 } 200 static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); 201 /** 202 * pm8001_ctl_max_devices_show - max devices support 203 * @cdev: pointer to embedded class device 204 * @attr: device attribute (unused) 205 * @buf: the buffer returned 206 * 207 * A sysfs 'read-only' shost attribute. 208 */ 209 static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, 210 struct device_attribute *attr, char *buf) 211 { 212 struct Scsi_Host *shost = class_to_shost(cdev); 213 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 214 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 215 216 if (pm8001_ha->chip_id == chip_8001) { 217 return snprintf(buf, PAGE_SIZE, "%04d\n", 218 (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) 219 ); 220 } else { 221 return snprintf(buf, PAGE_SIZE, "%04d\n", 222 (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16) 223 ); 224 } 225 } 226 static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); 227 /** 228 * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no 229 * hardware limitation 230 * @cdev: pointer to embedded class device 231 * @attr: device attribute (unused) 232 * @buf: the buffer returned 233 * 234 * A sysfs 'read-only' shost attribute. 235 */ 236 static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, 237 struct device_attribute *attr, char *buf) 238 { 239 struct Scsi_Host *shost = class_to_shost(cdev); 240 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 241 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 242 243 if (pm8001_ha->chip_id == chip_8001) { 244 return snprintf(buf, PAGE_SIZE, "%04d\n", 245 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF 246 ); 247 } else { 248 return snprintf(buf, PAGE_SIZE, "%04d\n", 249 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF 250 ); 251 } 252 } 253 static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); 254 255 #define SAS_1_0 0x1 256 #define SAS_1_1 0x2 257 #define SAS_2_0 0x4 258 259 static ssize_t 260 show_sas_spec_support_status(unsigned int mode, char *buf) 261 { 262 ssize_t len = 0; 263 264 if (mode & SAS_1_1) 265 len = sprintf(buf, "%s", "SAS1.1"); 266 if (mode & SAS_2_0) 267 len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); 268 len += sprintf(buf + len, "\n"); 269 270 return len; 271 } 272 273 /** 274 * pm8001_ctl_sas_spec_support_show - sas spec supported 275 * @cdev: pointer to embedded class device 276 * @attr: device attribute (unused) 277 * @buf: the buffer returned 278 * 279 * A sysfs 'read-only' shost attribute. 280 */ 281 static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, 282 struct device_attribute *attr, char *buf) 283 { 284 unsigned int mode; 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 /* fe000000 means supports SAS2.1 */ 289 if (pm8001_ha->chip_id == chip_8001) 290 mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & 291 0xfe000000)>>25; 292 else 293 /* fe000000 means supports SAS2.1 */ 294 mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag & 295 0xfe000000)>>25; 296 return show_sas_spec_support_status(mode, buf); 297 } 298 static DEVICE_ATTR(sas_spec_support, S_IRUGO, 299 pm8001_ctl_sas_spec_support_show, NULL); 300 301 /** 302 * pm8001_ctl_sas_address_show - sas address 303 * @cdev: pointer to embedded class device 304 * @attr: device attribute (unused) 305 * @buf: the buffer returned 306 * 307 * This is the controller sas address 308 * 309 * A sysfs 'read-only' shost attribute. 310 */ 311 static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, 312 struct device_attribute *attr, char *buf) 313 { 314 struct Scsi_Host *shost = class_to_shost(cdev); 315 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 316 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 317 return snprintf(buf, PAGE_SIZE, "0x%016llx\n", 318 be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); 319 } 320 static DEVICE_ATTR(host_sas_address, S_IRUGO, 321 pm8001_ctl_host_sas_address_show, NULL); 322 323 /** 324 * pm8001_ctl_logging_level_show - logging level 325 * @cdev: pointer to embedded class device 326 * @attr: device attribute (unused) 327 * @buf: the buffer returned 328 * 329 * A sysfs 'read/write' shost attribute. 330 */ 331 static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, 332 struct device_attribute *attr, char *buf) 333 { 334 struct Scsi_Host *shost = class_to_shost(cdev); 335 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 336 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 337 338 return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); 339 } 340 341 static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, 342 struct device_attribute *attr, const char *buf, size_t count) 343 { 344 struct Scsi_Host *shost = class_to_shost(cdev); 345 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 346 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 347 int val = 0; 348 349 if (sscanf(buf, "%x", &val) != 1) 350 return -EINVAL; 351 352 pm8001_ha->logging_level = val; 353 return strlen(buf); 354 } 355 356 static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, 357 pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); 358 /** 359 * pm8001_ctl_aap_log_show - aap1 event log 360 * @cdev: pointer to embedded class device 361 * @attr: device attribute (unused) 362 * @buf: the buffer returned 363 * 364 * A sysfs 'read-only' shost attribute. 365 */ 366 static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, 367 struct device_attribute *attr, char *buf) 368 { 369 struct Scsi_Host *shost = class_to_shost(cdev); 370 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 371 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 372 int i; 373 #define AAP1_MEMMAP(r, c) \ 374 (*(u32 *)((u8*)pm8001_ha->memoryMap.region[AAP1].virt_ptr + (r) * 32 \ 375 + (c))) 376 377 char *str = buf; 378 int max = 2; 379 for (i = 0; i < max; i++) { 380 str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 381 "0x%08x 0x%08x\n", 382 AAP1_MEMMAP(i, 0), 383 AAP1_MEMMAP(i, 4), 384 AAP1_MEMMAP(i, 8), 385 AAP1_MEMMAP(i, 12), 386 AAP1_MEMMAP(i, 16), 387 AAP1_MEMMAP(i, 20), 388 AAP1_MEMMAP(i, 24), 389 AAP1_MEMMAP(i, 28)); 390 } 391 392 return str - buf; 393 } 394 static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); 395 /** 396 * pm8001_ctl_ib_queue_log_show - Out bound Queue log 397 * @cdev:pointer to embedded class device 398 * @attr: device attribute (unused) 399 * @buf: the buffer returned 400 * A sysfs 'read-only' shost attribute. 401 */ 402 static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev, 403 struct device_attribute *attr, char *buf) 404 { 405 struct Scsi_Host *shost = class_to_shost(cdev); 406 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 407 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 408 int offset; 409 char *str = buf; 410 int start = 0; 411 u32 ib_offset = pm8001_ha->ib_offset; 412 #define IB_MEMMAP(c) \ 413 (*(u32 *)((u8 *)pm8001_ha-> \ 414 memoryMap.region[ib_offset].virt_ptr + \ 415 pm8001_ha->evtlog_ib_offset + (c))) 416 417 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 418 str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); 419 start = start + 4; 420 } 421 pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; 422 if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 423 pm8001_ha->evtlog_ib_offset = 0; 424 425 return str - buf; 426 } 427 428 static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL); 429 /** 430 * pm8001_ctl_ob_queue_log_show - Out bound Queue log 431 * @cdev:pointer to embedded class device 432 * @attr: device attribute (unused) 433 * @buf: the buffer returned 434 * A sysfs 'read-only' shost attribute. 435 */ 436 437 static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 438 struct device_attribute *attr, char *buf) 439 { 440 struct Scsi_Host *shost = class_to_shost(cdev); 441 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 442 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 443 int offset; 444 char *str = buf; 445 int start = 0; 446 u32 ob_offset = pm8001_ha->ob_offset; 447 #define OB_MEMMAP(c) \ 448 (*(u32 *)((u8 *)pm8001_ha-> \ 449 memoryMap.region[ob_offset].virt_ptr + \ 450 pm8001_ha->evtlog_ob_offset + (c))) 451 452 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 453 str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 454 start = start + 4; 455 } 456 pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 457 if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 458 pm8001_ha->evtlog_ob_offset = 0; 459 460 return str - buf; 461 } 462 static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 463 /** 464 * pm8001_ctl_bios_version_show - Bios version Display 465 * @cdev:pointer to embedded class device 466 * @attr: device attribute (unused) 467 * @buf:the buffer returned 468 * A sysfs 'read-only' shost attribute. 469 */ 470 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 471 struct device_attribute *attr, char *buf) 472 { 473 struct Scsi_Host *shost = class_to_shost(cdev); 474 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 475 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 476 char *str = buf; 477 int bios_index; 478 DECLARE_COMPLETION_ONSTACK(completion); 479 struct pm8001_ioctl_payload payload; 480 481 pm8001_ha->nvmd_completion = &completion; 482 payload.minor_function = 7; 483 payload.offset = 0; 484 payload.rd_length = 4096; 485 payload.func_specific = kzalloc(4096, GFP_KERNEL); 486 if (!payload.func_specific) 487 return -ENOMEM; 488 if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) { 489 kfree(payload.func_specific); 490 return -ENOMEM; 491 } 492 wait_for_completion(&completion); 493 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 494 bios_index++) 495 str += sprintf(str, "%c", 496 *(payload.func_specific+bios_index)); 497 kfree(payload.func_specific); 498 return str - buf; 499 } 500 static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 501 /** 502 * event_log_size_show - event log size 503 * @cdev: pointer to embedded class device 504 * @attr: device attribute (unused) 505 * @buf: the buffer returned 506 * 507 * A sysfs read shost attribute. 508 */ 509 static ssize_t event_log_size_show(struct device *cdev, 510 struct device_attribute *attr, char *buf) 511 { 512 struct Scsi_Host *shost = class_to_shost(cdev); 513 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 514 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 515 516 return snprintf(buf, PAGE_SIZE, "%d\n", 517 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size); 518 } 519 static DEVICE_ATTR_RO(event_log_size); 520 /** 521 * pm8001_ctl_aap_log_show - IOP event log 522 * @cdev: pointer to embedded class device 523 * @attr: device attribute (unused) 524 * @buf: the buffer returned 525 * 526 * A sysfs 'read-only' shost attribute. 527 */ 528 static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 529 struct device_attribute *attr, char *buf) 530 { 531 struct Scsi_Host *shost = class_to_shost(cdev); 532 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 533 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 534 char *str = buf; 535 u32 read_size = 536 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024; 537 static u32 start, end, count; 538 u32 max_read_times = 32; 539 u32 max_count = (read_size * 1024) / (max_read_times * 4); 540 u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr; 541 542 if ((count % max_count) == 0) { 543 start = 0; 544 end = max_read_times; 545 count = 0; 546 } else { 547 start = end; 548 end = end + max_read_times; 549 } 550 551 for (; start < end; start++) 552 str += sprintf(str, "%08x ", *(temp+start)); 553 count++; 554 return str - buf; 555 } 556 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 557 558 /** 559 ** pm8001_ctl_fatal_log_show - fatal error logging 560 ** @cdev:pointer to embedded class device 561 ** @attr: device attribute 562 ** @buf: the buffer returned 563 ** 564 ** A sysfs 'read-only' shost attribute. 565 **/ 566 567 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 568 struct device_attribute *attr, char *buf) 569 { 570 ssize_t count; 571 572 count = pm80xx_get_fatal_dump(cdev, attr, buf); 573 return count; 574 } 575 576 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 577 578 /** 579 ** non_fatal_log_show - non fatal error logging 580 ** @cdev:pointer to embedded class device 581 ** @attr: device attribute 582 ** @buf: the buffer returned 583 ** 584 ** A sysfs 'read-only' shost attribute. 585 **/ 586 static ssize_t non_fatal_log_show(struct device *cdev, 587 struct device_attribute *attr, char *buf) 588 { 589 u32 count; 590 591 count = pm80xx_get_non_fatal_dump(cdev, attr, buf); 592 return count; 593 } 594 static DEVICE_ATTR_RO(non_fatal_log); 595 596 static ssize_t non_fatal_count_show(struct device *cdev, 597 struct device_attribute *attr, char *buf) 598 { 599 struct Scsi_Host *shost = class_to_shost(cdev); 600 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 601 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 602 603 return snprintf(buf, PAGE_SIZE, "%08x", 604 pm8001_ha->non_fatal_count); 605 } 606 607 static ssize_t non_fatal_count_store(struct device *cdev, 608 struct device_attribute *attr, const char *buf, size_t count) 609 { 610 struct Scsi_Host *shost = class_to_shost(cdev); 611 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 612 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 613 int val = 0; 614 615 if (kstrtoint(buf, 16, &val) != 0) 616 return -EINVAL; 617 618 pm8001_ha->non_fatal_count = val; 619 return strlen(buf); 620 } 621 static DEVICE_ATTR_RW(non_fatal_count); 622 623 /** 624 ** pm8001_ctl_gsm_log_show - gsm dump collection 625 ** @cdev:pointer to embedded class device 626 ** @attr: device attribute (unused) 627 ** @buf: the buffer returned 628 ** A sysfs 'read-only' shost attribute. 629 **/ 630 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 631 struct device_attribute *attr, char *buf) 632 { 633 ssize_t count; 634 635 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 636 return count; 637 } 638 639 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 640 641 #define FLASH_CMD_NONE 0x00 642 #define FLASH_CMD_UPDATE 0x01 643 #define FLASH_CMD_SET_NVMD 0x02 644 645 struct flash_command { 646 u8 command[8]; 647 int code; 648 }; 649 650 static struct flash_command flash_command_table[] = 651 { 652 {"set_nvmd", FLASH_CMD_SET_NVMD}, 653 {"update", FLASH_CMD_UPDATE}, 654 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 655 }; 656 657 struct error_fw { 658 char *reason; 659 int err_code; 660 }; 661 662 static struct error_fw flash_error_table[] = 663 { 664 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 665 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 666 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 667 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 668 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 669 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 670 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 671 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 672 {"Flash in progress", FLASH_IN_PROGRESS}, 673 {"Image file size Error", FAIL_FILE_SIZE}, 674 {"Input parameter error", FAIL_PARAMETERS}, 675 {"Out of memory", FAIL_OUT_MEMORY}, 676 {"OK", 0} /* Last entry err_code = 0. */ 677 }; 678 679 static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 680 { 681 struct pm8001_ioctl_payload *payload; 682 DECLARE_COMPLETION_ONSTACK(completion); 683 u8 *ioctlbuffer; 684 u32 ret; 685 u32 length = 1024 * 5 + sizeof(*payload) - 1; 686 687 if (pm8001_ha->fw_image->size > 4096) { 688 pm8001_ha->fw_status = FAIL_FILE_SIZE; 689 return -EFAULT; 690 } 691 692 ioctlbuffer = kzalloc(length, GFP_KERNEL); 693 if (!ioctlbuffer) { 694 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 695 return -ENOMEM; 696 } 697 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 698 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 699 pm8001_ha->fw_image->size); 700 payload->wr_length = pm8001_ha->fw_image->size; 701 payload->id = 0; 702 payload->minor_function = 0x1; 703 pm8001_ha->nvmd_completion = &completion; 704 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 705 if (ret) { 706 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 707 goto out; 708 } 709 wait_for_completion(&completion); 710 out: 711 kfree(ioctlbuffer); 712 return ret; 713 } 714 715 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 716 { 717 struct pm8001_ioctl_payload *payload; 718 DECLARE_COMPLETION_ONSTACK(completion); 719 u8 *ioctlbuffer; 720 struct fw_control_info *fwControl; 721 u32 partitionSize, partitionSizeTmp; 722 u32 loopNumber, loopcount; 723 struct pm8001_fw_image_header *image_hdr; 724 u32 sizeRead = 0; 725 u32 ret = 0; 726 u32 length = 1024 * 16 + sizeof(*payload) - 1; 727 728 if (pm8001_ha->fw_image->size < 28) { 729 pm8001_ha->fw_status = FAIL_FILE_SIZE; 730 return -EFAULT; 731 } 732 ioctlbuffer = kzalloc(length, GFP_KERNEL); 733 if (!ioctlbuffer) { 734 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 735 return -ENOMEM; 736 } 737 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 738 while (sizeRead < pm8001_ha->fw_image->size) { 739 partitionSizeTmp = 740 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 741 partitionSize = be32_to_cpu(partitionSizeTmp); 742 loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, 743 IOCTL_BUF_SIZE); 744 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 745 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 746 payload->wr_length = 1024*16; 747 payload->id = 0; 748 fwControl = 749 (struct fw_control_info *)&payload->func_specific; 750 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 751 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 752 fwControl->retcode = 0;/* OUT */ 753 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 754 755 /* for the last chunk of data in case file size is not even with 756 4k, load only the rest*/ 757 if (((loopcount-loopNumber) == 1) && 758 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 759 fwControl->len = 760 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 761 memcpy((u8 *)fwControl->buffer, 762 (u8 *)pm8001_ha->fw_image->data + sizeRead, 763 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 764 sizeRead += 765 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 766 } else { 767 memcpy((u8 *)fwControl->buffer, 768 (u8 *)pm8001_ha->fw_image->data + sizeRead, 769 IOCTL_BUF_SIZE); 770 sizeRead += IOCTL_BUF_SIZE; 771 } 772 773 pm8001_ha->nvmd_completion = &completion; 774 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 775 if (ret) { 776 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 777 goto out; 778 } 779 wait_for_completion(&completion); 780 if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { 781 pm8001_ha->fw_status = fwControl->retcode; 782 ret = -EFAULT; 783 goto out; 784 } 785 } 786 } 787 out: 788 kfree(ioctlbuffer); 789 return ret; 790 } 791 static ssize_t pm8001_store_update_fw(struct device *cdev, 792 struct device_attribute *attr, 793 const char *buf, size_t count) 794 { 795 struct Scsi_Host *shost = class_to_shost(cdev); 796 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 797 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 798 char *cmd_ptr, *filename_ptr; 799 int res, i; 800 int flash_command = FLASH_CMD_NONE; 801 int ret; 802 803 if (!capable(CAP_SYS_ADMIN)) 804 return -EACCES; 805 806 /* this test protects us from running two flash processes at once, 807 * so we should start with this test */ 808 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) 809 return -EINPROGRESS; 810 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 811 812 cmd_ptr = kcalloc(count, 2, GFP_KERNEL); 813 if (!cmd_ptr) { 814 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 815 return -ENOMEM; 816 } 817 818 filename_ptr = cmd_ptr + count; 819 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 820 if (res != 2) { 821 pm8001_ha->fw_status = FAIL_PARAMETERS; 822 ret = -EINVAL; 823 goto out; 824 } 825 826 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 827 if (!memcmp(flash_command_table[i].command, 828 cmd_ptr, strlen(cmd_ptr))) { 829 flash_command = flash_command_table[i].code; 830 break; 831 } 832 } 833 if (flash_command == FLASH_CMD_NONE) { 834 pm8001_ha->fw_status = FAIL_PARAMETERS; 835 ret = -EINVAL; 836 goto out; 837 } 838 839 ret = request_firmware(&pm8001_ha->fw_image, 840 filename_ptr, 841 pm8001_ha->dev); 842 843 if (ret) { 844 pm8001_dbg(pm8001_ha, FAIL, 845 "Failed to load firmware image file %s, error %d\n", 846 filename_ptr, ret); 847 pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; 848 goto out; 849 } 850 851 if (FLASH_CMD_UPDATE == flash_command) 852 ret = pm8001_update_flash(pm8001_ha); 853 else 854 ret = pm8001_set_nvmd(pm8001_ha); 855 856 release_firmware(pm8001_ha->fw_image); 857 out: 858 kfree(cmd_ptr); 859 860 if (ret) 861 return ret; 862 863 pm8001_ha->fw_status = FLASH_OK; 864 return count; 865 } 866 867 static ssize_t pm8001_show_update_fw(struct device *cdev, 868 struct device_attribute *attr, char *buf) 869 { 870 int i; 871 struct Scsi_Host *shost = class_to_shost(cdev); 872 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 873 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 874 875 for (i = 0; flash_error_table[i].err_code != 0; i++) { 876 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 877 break; 878 } 879 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 880 pm8001_ha->fw_status = FLASH_OK; 881 882 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 883 flash_error_table[i].err_code, 884 flash_error_table[i].reason); 885 } 886 887 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 888 pm8001_show_update_fw, pm8001_store_update_fw); 889 struct device_attribute *pm8001_host_attrs[] = { 890 &dev_attr_interface_rev, 891 &dev_attr_controller_fatal_error, 892 &dev_attr_fw_version, 893 &dev_attr_update_fw, 894 &dev_attr_aap_log, 895 &dev_attr_iop_log, 896 &dev_attr_fatal_log, 897 &dev_attr_non_fatal_log, 898 &dev_attr_non_fatal_count, 899 &dev_attr_gsm_log, 900 &dev_attr_max_out_io, 901 &dev_attr_max_devices, 902 &dev_attr_max_sg_list, 903 &dev_attr_sas_spec_support, 904 &dev_attr_logging_level, 905 &dev_attr_event_log_size, 906 &dev_attr_host_sas_address, 907 &dev_attr_bios_version, 908 &dev_attr_ib_log, 909 &dev_attr_ob_log, 910 &dev_attr_ila_version, 911 &dev_attr_inc_fw_ver, 912 NULL, 913 }; 914 915