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 #include "pm8001_chips.h" 45 46 /* scsi host attributes */ 47 48 /** 49 * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number 50 * @cdev: pointer to embedded class device 51 * @attr: device attribute (unused) 52 * @buf: the buffer returned 53 * 54 * A sysfs 'read-only' shost attribute. 55 */ 56 static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev, 57 struct device_attribute *attr, char *buf) 58 { 59 struct Scsi_Host *shost = class_to_shost(cdev); 60 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 61 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 62 63 if (pm8001_ha->chip_id == chip_8001) { 64 return snprintf(buf, PAGE_SIZE, "%d\n", 65 pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev); 66 } else { 67 return snprintf(buf, PAGE_SIZE, "%d\n", 68 pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev); 69 } 70 } 71 static 72 DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); 73 74 /** 75 * controller_fatal_error_show - check controller is under fatal err 76 * @cdev: pointer to embedded class device 77 * @attr: device attribute (unused) 78 * @buf: the buffer returned 79 * 80 * A sysfs 'read-only' shost attribute. 81 */ 82 static ssize_t controller_fatal_error_show(struct device *cdev, 83 struct device_attribute *attr, char *buf) 84 { 85 struct Scsi_Host *shost = class_to_shost(cdev); 86 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 87 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 88 89 return snprintf(buf, PAGE_SIZE, "%d\n", 90 pm8001_ha->controller_fatal_error); 91 } 92 static DEVICE_ATTR_RO(controller_fatal_error); 93 94 /** 95 * pm8001_ctl_fw_version_show - firmware version 96 * @cdev: pointer to embedded class device 97 * @attr: device attribute (unused) 98 * @buf: the buffer returned 99 * 100 * A sysfs 'read-only' shost attribute. 101 */ 102 static ssize_t pm8001_ctl_fw_version_show(struct device *cdev, 103 struct device_attribute *attr, char *buf) 104 { 105 struct Scsi_Host *shost = class_to_shost(cdev); 106 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 107 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 108 109 if (pm8001_ha->chip_id == chip_8001) { 110 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 111 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24), 112 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16), 113 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8), 114 (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev)); 115 } else { 116 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 117 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24), 118 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16), 119 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8), 120 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev)); 121 } 122 } 123 static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL); 124 125 /** 126 * pm8001_ctl_ila_version_show - ila version 127 * @cdev: pointer to embedded class device 128 * @attr: device attribute (unused) 129 * @buf: the buffer returned 130 * 131 * A sysfs 'read-only' shost attribute. 132 */ 133 static ssize_t pm8001_ctl_ila_version_show(struct device *cdev, 134 struct device_attribute *attr, char *buf) 135 { 136 struct Scsi_Host *shost = class_to_shost(cdev); 137 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 138 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 139 140 if (pm8001_ha->chip_id != chip_8001) { 141 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 142 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24), 143 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16), 144 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8), 145 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version)); 146 } 147 return 0; 148 } 149 static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL); 150 151 /** 152 * pm8001_ctl_inactive_fw_version_show - Inactive firmware version number 153 * @cdev: pointer to embedded class device 154 * @attr: device attribute (unused) 155 * @buf: the buffer returned 156 * 157 * A sysfs 'read-only' shost attribute. 158 */ 159 static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev, 160 struct device_attribute *attr, char *buf) 161 { 162 struct Scsi_Host *shost = class_to_shost(cdev); 163 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 164 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 165 166 if (pm8001_ha->chip_id != chip_8001) { 167 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 168 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24), 169 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16), 170 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8), 171 (u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version)); 172 } 173 return 0; 174 } 175 static 176 DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL); 177 178 /** 179 * pm8001_ctl_max_out_io_show - max outstanding io supported 180 * @cdev: pointer to embedded class device 181 * @attr: device attribute (unused) 182 * @buf: the buffer returned 183 * 184 * A sysfs 'read-only' shost attribute. 185 */ 186 static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev, 187 struct device_attribute *attr, char *buf) 188 { 189 struct Scsi_Host *shost = class_to_shost(cdev); 190 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 191 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 192 193 if (pm8001_ha->chip_id == chip_8001) { 194 return snprintf(buf, PAGE_SIZE, "%d\n", 195 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io); 196 } else { 197 return snprintf(buf, PAGE_SIZE, "%d\n", 198 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io); 199 } 200 } 201 static DEVICE_ATTR(max_out_io, S_IRUGO, pm8001_ctl_max_out_io_show, NULL); 202 /** 203 * pm8001_ctl_max_devices_show - max devices support 204 * @cdev: pointer to embedded class device 205 * @attr: device attribute (unused) 206 * @buf: the buffer returned 207 * 208 * A sysfs 'read-only' shost attribute. 209 */ 210 static ssize_t pm8001_ctl_max_devices_show(struct device *cdev, 211 struct device_attribute *attr, char *buf) 212 { 213 struct Scsi_Host *shost = class_to_shost(cdev); 214 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 215 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 216 217 if (pm8001_ha->chip_id == chip_8001) { 218 return snprintf(buf, PAGE_SIZE, "%04d\n", 219 (u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16) 220 ); 221 } else { 222 return snprintf(buf, PAGE_SIZE, "%04d\n", 223 (u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16) 224 ); 225 } 226 } 227 static DEVICE_ATTR(max_devices, S_IRUGO, pm8001_ctl_max_devices_show, NULL); 228 /** 229 * pm8001_ctl_max_sg_list_show - max sg list supported iff not 0.0 for no 230 * hardware limitation 231 * @cdev: pointer to embedded class device 232 * @attr: device attribute (unused) 233 * @buf: the buffer returned 234 * 235 * A sysfs 'read-only' shost attribute. 236 */ 237 static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev, 238 struct device_attribute *attr, char *buf) 239 { 240 struct Scsi_Host *shost = class_to_shost(cdev); 241 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 242 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 243 244 if (pm8001_ha->chip_id == chip_8001) { 245 return snprintf(buf, PAGE_SIZE, "%04d\n", 246 pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF 247 ); 248 } else { 249 return snprintf(buf, PAGE_SIZE, "%04d\n", 250 pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF 251 ); 252 } 253 } 254 static DEVICE_ATTR(max_sg_list, S_IRUGO, pm8001_ctl_max_sg_list_show, NULL); 255 256 #define SAS_1_0 0x1 257 #define SAS_1_1 0x2 258 #define SAS_2_0 0x4 259 260 static ssize_t 261 show_sas_spec_support_status(unsigned int mode, char *buf) 262 { 263 ssize_t len = 0; 264 265 if (mode & SAS_1_1) 266 len = sprintf(buf, "%s", "SAS1.1"); 267 if (mode & SAS_2_0) 268 len += sprintf(buf + len, "%s%s", len ? ", " : "", "SAS2.0"); 269 len += sprintf(buf + len, "\n"); 270 271 return len; 272 } 273 274 /** 275 * pm8001_ctl_sas_spec_support_show - sas spec supported 276 * @cdev: pointer to embedded class device 277 * @attr: device attribute (unused) 278 * @buf: the buffer returned 279 * 280 * A sysfs 'read-only' shost attribute. 281 */ 282 static ssize_t pm8001_ctl_sas_spec_support_show(struct device *cdev, 283 struct device_attribute *attr, char *buf) 284 { 285 unsigned int mode; 286 struct Scsi_Host *shost = class_to_shost(cdev); 287 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 288 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 289 /* fe000000 means supports SAS2.1 */ 290 if (pm8001_ha->chip_id == chip_8001) 291 mode = (pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag & 292 0xfe000000)>>25; 293 else 294 /* fe000000 means supports SAS2.1 */ 295 mode = (pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag & 296 0xfe000000)>>25; 297 return show_sas_spec_support_status(mode, buf); 298 } 299 static DEVICE_ATTR(sas_spec_support, S_IRUGO, 300 pm8001_ctl_sas_spec_support_show, NULL); 301 302 /** 303 * pm8001_ctl_host_sas_address_show - sas address 304 * @cdev: pointer to embedded class device 305 * @attr: device attribute (unused) 306 * @buf: the buffer returned 307 * 308 * This is the controller sas address 309 * 310 * A sysfs 'read-only' shost attribute. 311 */ 312 static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev, 313 struct device_attribute *attr, char *buf) 314 { 315 struct Scsi_Host *shost = class_to_shost(cdev); 316 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 317 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 318 return snprintf(buf, PAGE_SIZE, "0x%016llx\n", 319 be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr)); 320 } 321 static DEVICE_ATTR(host_sas_address, S_IRUGO, 322 pm8001_ctl_host_sas_address_show, NULL); 323 324 /** 325 * pm8001_ctl_logging_level_show - logging level 326 * @cdev: pointer to embedded class device 327 * @attr: device attribute (unused) 328 * @buf: the buffer returned 329 * 330 * A sysfs 'read/write' shost attribute. 331 */ 332 static ssize_t pm8001_ctl_logging_level_show(struct device *cdev, 333 struct device_attribute *attr, char *buf) 334 { 335 struct Scsi_Host *shost = class_to_shost(cdev); 336 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 337 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 338 339 return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level); 340 } 341 342 static ssize_t pm8001_ctl_logging_level_store(struct device *cdev, 343 struct device_attribute *attr, const char *buf, size_t count) 344 { 345 struct Scsi_Host *shost = class_to_shost(cdev); 346 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 347 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 348 int val = 0; 349 350 if (sscanf(buf, "%x", &val) != 1) 351 return -EINVAL; 352 353 pm8001_ha->logging_level = val; 354 return strlen(buf); 355 } 356 357 static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, 358 pm8001_ctl_logging_level_show, pm8001_ctl_logging_level_store); 359 /** 360 * pm8001_ctl_aap_log_show - aap1 event log 361 * @cdev: pointer to embedded class device 362 * @attr: device attribute (unused) 363 * @buf: the buffer returned 364 * 365 * A sysfs 'read-only' shost attribute. 366 */ 367 static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, 368 struct device_attribute *attr, char *buf) 369 { 370 struct Scsi_Host *shost = class_to_shost(cdev); 371 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 372 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 373 u8 *ptr = (u8 *)pm8001_ha->memoryMap.region[AAP1].virt_ptr; 374 int i; 375 376 char *str = buf; 377 int max = 2; 378 for (i = 0; i < max; i++) { 379 str += sprintf(str, "0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x" 380 "0x%08x 0x%08x\n", 381 pm8001_ctl_aap1_memmap(ptr, i, 0), 382 pm8001_ctl_aap1_memmap(ptr, i, 4), 383 pm8001_ctl_aap1_memmap(ptr, i, 8), 384 pm8001_ctl_aap1_memmap(ptr, i, 12), 385 pm8001_ctl_aap1_memmap(ptr, i, 16), 386 pm8001_ctl_aap1_memmap(ptr, i, 20), 387 pm8001_ctl_aap1_memmap(ptr, i, 24), 388 pm8001_ctl_aap1_memmap(ptr, i, 28)); 389 } 390 391 return str - buf; 392 } 393 static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); 394 /** 395 * pm8001_ctl_ib_queue_log_show - Out bound Queue log 396 * @cdev:pointer to embedded class device 397 * @attr: device attribute (unused) 398 * @buf: the buffer returned 399 * 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 * 435 * A sysfs 'read-only' shost attribute. 436 */ 437 438 static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 439 struct device_attribute *attr, char *buf) 440 { 441 struct Scsi_Host *shost = class_to_shost(cdev); 442 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 443 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 444 int offset; 445 char *str = buf; 446 int start = 0; 447 u32 ob_offset = pm8001_ha->ob_offset; 448 #define OB_MEMMAP(c) \ 449 (*(u32 *)((u8 *)pm8001_ha-> \ 450 memoryMap.region[ob_offset].virt_ptr + \ 451 pm8001_ha->evtlog_ob_offset + (c))) 452 453 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 454 str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 455 start = start + 4; 456 } 457 pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 458 if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 459 pm8001_ha->evtlog_ob_offset = 0; 460 461 return str - buf; 462 } 463 static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 464 /** 465 * pm8001_ctl_bios_version_show - Bios version Display 466 * @cdev:pointer to embedded class device 467 * @attr: device attribute (unused) 468 * @buf:the buffer returned 469 * 470 * A sysfs 'read-only' shost attribute. 471 */ 472 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 473 struct device_attribute *attr, char *buf) 474 { 475 struct Scsi_Host *shost = class_to_shost(cdev); 476 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 477 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 478 char *str = buf; 479 int bios_index; 480 DECLARE_COMPLETION_ONSTACK(completion); 481 struct pm8001_ioctl_payload payload; 482 483 pm8001_ha->nvmd_completion = &completion; 484 payload.minor_function = 7; 485 payload.offset = 0; 486 payload.rd_length = 4096; 487 payload.func_specific = kzalloc(4096, GFP_KERNEL); 488 if (!payload.func_specific) 489 return -ENOMEM; 490 if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) { 491 kfree(payload.func_specific); 492 return -ENOMEM; 493 } 494 wait_for_completion(&completion); 495 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 496 bios_index++) 497 str += sprintf(str, "%c", 498 *(payload.func_specific+bios_index)); 499 kfree(payload.func_specific); 500 return str - buf; 501 } 502 static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 503 /** 504 * event_log_size_show - event log size 505 * @cdev: pointer to embedded class device 506 * @attr: device attribute (unused) 507 * @buf: the buffer returned 508 * 509 * A sysfs read shost attribute. 510 */ 511 static ssize_t event_log_size_show(struct device *cdev, 512 struct device_attribute *attr, char *buf) 513 { 514 struct Scsi_Host *shost = class_to_shost(cdev); 515 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 516 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 517 518 return snprintf(buf, PAGE_SIZE, "%d\n", 519 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size); 520 } 521 static DEVICE_ATTR_RO(event_log_size); 522 /** 523 * pm8001_ctl_iop_log_show - IOP event log 524 * @cdev: pointer to embedded class device 525 * @attr: device attribute (unused) 526 * @buf: the buffer returned 527 * 528 * A sysfs 'read-only' shost attribute. 529 */ 530 static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 531 struct device_attribute *attr, char *buf) 532 { 533 struct Scsi_Host *shost = class_to_shost(cdev); 534 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 535 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 536 char *str = buf; 537 u32 read_size = 538 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024; 539 static u32 start, end, count; 540 u32 max_read_times = 32; 541 u32 max_count = (read_size * 1024) / (max_read_times * 4); 542 u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr; 543 544 if ((count % max_count) == 0) { 545 start = 0; 546 end = max_read_times; 547 count = 0; 548 } else { 549 start = end; 550 end = end + max_read_times; 551 } 552 553 for (; start < end; start++) 554 str += sprintf(str, "%08x ", *(temp+start)); 555 count++; 556 return str - buf; 557 } 558 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 559 560 /** 561 * pm8001_ctl_fatal_log_show - fatal error logging 562 * @cdev:pointer to embedded class device 563 * @attr: device attribute 564 * @buf: the buffer returned 565 * 566 * A sysfs 'read-only' shost attribute. 567 */ 568 569 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 570 struct device_attribute *attr, char *buf) 571 { 572 ssize_t count; 573 574 count = pm80xx_get_fatal_dump(cdev, attr, buf); 575 return count; 576 } 577 578 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 579 580 /** 581 * non_fatal_log_show - non fatal error logging 582 * @cdev:pointer to embedded class device 583 * @attr: device attribute 584 * @buf: the buffer returned 585 * 586 * A sysfs 'read-only' shost attribute. 587 */ 588 static ssize_t non_fatal_log_show(struct device *cdev, 589 struct device_attribute *attr, char *buf) 590 { 591 u32 count; 592 593 count = pm80xx_get_non_fatal_dump(cdev, attr, buf); 594 return count; 595 } 596 static DEVICE_ATTR_RO(non_fatal_log); 597 598 static ssize_t non_fatal_count_show(struct device *cdev, 599 struct device_attribute *attr, char *buf) 600 { 601 struct Scsi_Host *shost = class_to_shost(cdev); 602 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 603 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 604 605 return snprintf(buf, PAGE_SIZE, "%08x", 606 pm8001_ha->non_fatal_count); 607 } 608 609 static ssize_t non_fatal_count_store(struct device *cdev, 610 struct device_attribute *attr, const char *buf, size_t count) 611 { 612 struct Scsi_Host *shost = class_to_shost(cdev); 613 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 614 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 615 int val = 0; 616 617 if (kstrtoint(buf, 16, &val) != 0) 618 return -EINVAL; 619 620 pm8001_ha->non_fatal_count = val; 621 return strlen(buf); 622 } 623 static DEVICE_ATTR_RW(non_fatal_count); 624 625 /** 626 * pm8001_ctl_gsm_log_show - gsm dump collection 627 * @cdev:pointer to embedded class device 628 * @attr: device attribute (unused) 629 * @buf: the buffer returned 630 * 631 * A sysfs 'read-only' shost attribute. 632 */ 633 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 634 struct device_attribute *attr, char *buf) 635 { 636 ssize_t count; 637 638 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 639 return count; 640 } 641 642 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 643 644 #define FLASH_CMD_NONE 0x00 645 #define FLASH_CMD_UPDATE 0x01 646 #define FLASH_CMD_SET_NVMD 0x02 647 648 struct flash_command { 649 u8 command[8]; 650 int code; 651 }; 652 653 static const struct flash_command flash_command_table[] = { 654 {"set_nvmd", FLASH_CMD_SET_NVMD}, 655 {"update", FLASH_CMD_UPDATE}, 656 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 657 }; 658 659 struct error_fw { 660 char *reason; 661 int err_code; 662 }; 663 664 static const struct error_fw flash_error_table[] = { 665 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 666 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 667 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 668 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 669 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 670 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 671 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 672 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 673 {"Flash in progress", FLASH_IN_PROGRESS}, 674 {"Image file size Error", FAIL_FILE_SIZE}, 675 {"Input parameter error", FAIL_PARAMETERS}, 676 {"Out of memory", FAIL_OUT_MEMORY}, 677 {"OK", 0} /* Last entry err_code = 0. */ 678 }; 679 680 static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 681 { 682 struct pm8001_ioctl_payload *payload; 683 DECLARE_COMPLETION_ONSTACK(completion); 684 u8 *ioctlbuffer; 685 u32 ret; 686 u32 length = 1024 * 5 + sizeof(*payload) - 1; 687 688 if (pm8001_ha->fw_image->size > 4096) { 689 pm8001_ha->fw_status = FAIL_FILE_SIZE; 690 return -EFAULT; 691 } 692 693 ioctlbuffer = kzalloc(length, GFP_KERNEL); 694 if (!ioctlbuffer) { 695 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 696 return -ENOMEM; 697 } 698 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 699 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 700 pm8001_ha->fw_image->size); 701 payload->wr_length = pm8001_ha->fw_image->size; 702 payload->id = 0; 703 payload->minor_function = 0x1; 704 pm8001_ha->nvmd_completion = &completion; 705 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 706 if (ret) { 707 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 708 goto out; 709 } 710 wait_for_completion(&completion); 711 out: 712 kfree(ioctlbuffer); 713 return ret; 714 } 715 716 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 717 { 718 struct pm8001_ioctl_payload *payload; 719 DECLARE_COMPLETION_ONSTACK(completion); 720 u8 *ioctlbuffer; 721 struct fw_control_info *fwControl; 722 u32 partitionSize, partitionSizeTmp; 723 u32 loopNumber, loopcount; 724 struct pm8001_fw_image_header *image_hdr; 725 u32 sizeRead = 0; 726 u32 ret = 0; 727 u32 length = 1024 * 16 + sizeof(*payload) - 1; 728 729 if (pm8001_ha->fw_image->size < 28) { 730 pm8001_ha->fw_status = FAIL_FILE_SIZE; 731 return -EFAULT; 732 } 733 ioctlbuffer = kzalloc(length, GFP_KERNEL); 734 if (!ioctlbuffer) { 735 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 736 return -ENOMEM; 737 } 738 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 739 while (sizeRead < pm8001_ha->fw_image->size) { 740 partitionSizeTmp = 741 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 742 partitionSize = be32_to_cpu(partitionSizeTmp); 743 loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, 744 IOCTL_BUF_SIZE); 745 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 746 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 747 payload->wr_length = 1024*16; 748 payload->id = 0; 749 fwControl = 750 (struct fw_control_info *)&payload->func_specific; 751 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 752 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 753 fwControl->retcode = 0;/* OUT */ 754 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 755 756 /* for the last chunk of data in case file size is not even with 757 4k, load only the rest*/ 758 if (((loopcount-loopNumber) == 1) && 759 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 760 fwControl->len = 761 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 762 memcpy((u8 *)fwControl->buffer, 763 (u8 *)pm8001_ha->fw_image->data + sizeRead, 764 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 765 sizeRead += 766 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 767 } else { 768 memcpy((u8 *)fwControl->buffer, 769 (u8 *)pm8001_ha->fw_image->data + sizeRead, 770 IOCTL_BUF_SIZE); 771 sizeRead += IOCTL_BUF_SIZE; 772 } 773 774 pm8001_ha->nvmd_completion = &completion; 775 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 776 if (ret) { 777 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 778 goto out; 779 } 780 wait_for_completion(&completion); 781 if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { 782 pm8001_ha->fw_status = fwControl->retcode; 783 ret = -EFAULT; 784 goto out; 785 } 786 } 787 } 788 out: 789 kfree(ioctlbuffer); 790 return ret; 791 } 792 static ssize_t pm8001_store_update_fw(struct device *cdev, 793 struct device_attribute *attr, 794 const char *buf, size_t count) 795 { 796 struct Scsi_Host *shost = class_to_shost(cdev); 797 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 798 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 799 char *cmd_ptr, *filename_ptr; 800 int res, i; 801 int flash_command = FLASH_CMD_NONE; 802 int ret; 803 804 if (!capable(CAP_SYS_ADMIN)) 805 return -EACCES; 806 807 /* this test protects us from running two flash processes at once, 808 * so we should start with this test */ 809 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) 810 return -EINPROGRESS; 811 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 812 813 cmd_ptr = kcalloc(count, 2, GFP_KERNEL); 814 if (!cmd_ptr) { 815 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 816 return -ENOMEM; 817 } 818 819 filename_ptr = cmd_ptr + count; 820 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 821 if (res != 2) { 822 pm8001_ha->fw_status = FAIL_PARAMETERS; 823 ret = -EINVAL; 824 goto out; 825 } 826 827 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 828 if (!memcmp(flash_command_table[i].command, 829 cmd_ptr, strlen(cmd_ptr))) { 830 flash_command = flash_command_table[i].code; 831 break; 832 } 833 } 834 if (flash_command == FLASH_CMD_NONE) { 835 pm8001_ha->fw_status = FAIL_PARAMETERS; 836 ret = -EINVAL; 837 goto out; 838 } 839 840 ret = request_firmware(&pm8001_ha->fw_image, 841 filename_ptr, 842 pm8001_ha->dev); 843 844 if (ret) { 845 pm8001_dbg(pm8001_ha, FAIL, 846 "Failed to load firmware image file %s, error %d\n", 847 filename_ptr, ret); 848 pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; 849 goto out; 850 } 851 852 if (FLASH_CMD_UPDATE == flash_command) 853 ret = pm8001_update_flash(pm8001_ha); 854 else 855 ret = pm8001_set_nvmd(pm8001_ha); 856 857 release_firmware(pm8001_ha->fw_image); 858 out: 859 kfree(cmd_ptr); 860 861 if (ret) 862 return ret; 863 864 pm8001_ha->fw_status = FLASH_OK; 865 return count; 866 } 867 868 static ssize_t pm8001_show_update_fw(struct device *cdev, 869 struct device_attribute *attr, char *buf) 870 { 871 int i; 872 struct Scsi_Host *shost = class_to_shost(cdev); 873 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 874 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 875 876 for (i = 0; flash_error_table[i].err_code != 0; i++) { 877 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 878 break; 879 } 880 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 881 pm8001_ha->fw_status = FLASH_OK; 882 883 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 884 flash_error_table[i].err_code, 885 flash_error_table[i].reason); 886 } 887 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 888 pm8001_show_update_fw, pm8001_store_update_fw); 889 890 /** 891 * ctl_mpi_state_show - controller MPI state check 892 * @cdev: pointer to embedded class device 893 * @buf: the buffer returned 894 * 895 * A sysfs 'read-only' shost attribute. 896 */ 897 898 static const char *const mpiStateText[] = { 899 "MPI is not initialized", 900 "MPI is successfully initialized", 901 "MPI termination is in progress", 902 "MPI initialization failed with error in [31:16]" 903 }; 904 905 static ssize_t ctl_mpi_state_show(struct device *cdev, 906 struct device_attribute *attr, char *buf) 907 { 908 struct Scsi_Host *shost = class_to_shost(cdev); 909 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 910 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 911 unsigned int mpidw0; 912 913 mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); 914 return sysfs_emit(buf, "%s\n", mpiStateText[mpidw0 & 0x0003]); 915 } 916 static DEVICE_ATTR_RO(ctl_mpi_state); 917 918 /** 919 * ctl_hmi_error_show - controller MPI initialization fails 920 * @cdev: pointer to embedded class device 921 * @buf: the buffer returned 922 * 923 * A sysfs 'read-only' shost attribute. 924 */ 925 926 static ssize_t ctl_hmi_error_show(struct device *cdev, 927 struct device_attribute *attr, char *buf) 928 { 929 struct Scsi_Host *shost = class_to_shost(cdev); 930 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 931 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 932 unsigned int mpidw0; 933 934 mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); 935 return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16)); 936 } 937 static DEVICE_ATTR_RO(ctl_hmi_error); 938 939 /** 940 * ctl_raae_count_show - controller raae count check 941 * @cdev: pointer to embedded class device 942 * @buf: the buffer returned 943 * 944 * A sysfs 'read-only' shost attribute. 945 */ 946 947 static ssize_t ctl_raae_count_show(struct device *cdev, 948 struct device_attribute *attr, char *buf) 949 { 950 struct Scsi_Host *shost = class_to_shost(cdev); 951 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 952 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 953 unsigned int raaecnt; 954 955 raaecnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 12); 956 return sysfs_emit(buf, "0x%08x\n", raaecnt); 957 } 958 static DEVICE_ATTR_RO(ctl_raae_count); 959 960 /** 961 * ctl_iop0_count_show - controller iop0 count check 962 * @cdev: pointer to embedded class device 963 * @buf: the buffer returned 964 * 965 * A sysfs 'read-only' shost attribute. 966 */ 967 968 static ssize_t ctl_iop0_count_show(struct device *cdev, 969 struct device_attribute *attr, char *buf) 970 { 971 struct Scsi_Host *shost = class_to_shost(cdev); 972 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 973 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 974 unsigned int iop0cnt; 975 976 iop0cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 16); 977 return sysfs_emit(buf, "0x%08x\n", iop0cnt); 978 } 979 static DEVICE_ATTR_RO(ctl_iop0_count); 980 981 /** 982 * ctl_iop1_count_show - controller iop1 count check 983 * @cdev: pointer to embedded class device 984 * @buf: the buffer returned 985 * 986 * A sysfs 'read-only' shost attribute. 987 */ 988 989 static ssize_t ctl_iop1_count_show(struct device *cdev, 990 struct device_attribute *attr, char *buf) 991 { 992 struct Scsi_Host *shost = class_to_shost(cdev); 993 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 994 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 995 unsigned int iop1cnt; 996 997 iop1cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 20); 998 return sysfs_emit(buf, "0x%08x\n", iop1cnt); 999 1000 } 1001 static DEVICE_ATTR_RO(ctl_iop1_count); 1002 1003 struct device_attribute *pm8001_host_attrs[] = { 1004 &dev_attr_interface_rev, 1005 &dev_attr_controller_fatal_error, 1006 &dev_attr_fw_version, 1007 &dev_attr_update_fw, 1008 &dev_attr_aap_log, 1009 &dev_attr_iop_log, 1010 &dev_attr_fatal_log, 1011 &dev_attr_non_fatal_log, 1012 &dev_attr_non_fatal_count, 1013 &dev_attr_gsm_log, 1014 &dev_attr_max_out_io, 1015 &dev_attr_max_devices, 1016 &dev_attr_max_sg_list, 1017 &dev_attr_sas_spec_support, 1018 &dev_attr_logging_level, 1019 &dev_attr_event_log_size, 1020 &dev_attr_host_sas_address, 1021 &dev_attr_bios_version, 1022 &dev_attr_ib_log, 1023 &dev_attr_ob_log, 1024 &dev_attr_ila_version, 1025 &dev_attr_inc_fw_ver, 1026 &dev_attr_ctl_mpi_state, 1027 &dev_attr_ctl_hmi_error, 1028 &dev_attr_ctl_raae_count, 1029 &dev_attr_ctl_iop0_count, 1030 &dev_attr_ctl_iop1_count, 1031 NULL, 1032 }; 1033 1034