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 - Inacative 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 * A sysfs 'read-only' shost attribute. 400 */ 401 static ssize_t pm8001_ctl_ib_queue_log_show(struct device *cdev, 402 struct device_attribute *attr, char *buf) 403 { 404 struct Scsi_Host *shost = class_to_shost(cdev); 405 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 406 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 407 int offset; 408 char *str = buf; 409 int start = 0; 410 u32 ib_offset = pm8001_ha->ib_offset; 411 #define IB_MEMMAP(c) \ 412 (*(u32 *)((u8 *)pm8001_ha-> \ 413 memoryMap.region[ib_offset].virt_ptr + \ 414 pm8001_ha->evtlog_ib_offset + (c))) 415 416 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 417 str += sprintf(str, "0x%08x\n", IB_MEMMAP(start)); 418 start = start + 4; 419 } 420 pm8001_ha->evtlog_ib_offset += SYSFS_OFFSET; 421 if (((pm8001_ha->evtlog_ib_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 422 pm8001_ha->evtlog_ib_offset = 0; 423 424 return str - buf; 425 } 426 427 static DEVICE_ATTR(ib_log, S_IRUGO, pm8001_ctl_ib_queue_log_show, NULL); 428 /** 429 * pm8001_ctl_ob_queue_log_show - Out bound Queue log 430 * @cdev:pointer to embedded class device 431 * @attr: device attribute (unused) 432 * @buf: the buffer returned 433 * A sysfs 'read-only' shost attribute. 434 */ 435 436 static ssize_t pm8001_ctl_ob_queue_log_show(struct device *cdev, 437 struct device_attribute *attr, char *buf) 438 { 439 struct Scsi_Host *shost = class_to_shost(cdev); 440 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 441 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 442 int offset; 443 char *str = buf; 444 int start = 0; 445 u32 ob_offset = pm8001_ha->ob_offset; 446 #define OB_MEMMAP(c) \ 447 (*(u32 *)((u8 *)pm8001_ha-> \ 448 memoryMap.region[ob_offset].virt_ptr + \ 449 pm8001_ha->evtlog_ob_offset + (c))) 450 451 for (offset = 0; offset < IB_OB_READ_TIMES; offset++) { 452 str += sprintf(str, "0x%08x\n", OB_MEMMAP(start)); 453 start = start + 4; 454 } 455 pm8001_ha->evtlog_ob_offset += SYSFS_OFFSET; 456 if (((pm8001_ha->evtlog_ob_offset) % (PM80XX_IB_OB_QUEUE_SIZE)) == 0) 457 pm8001_ha->evtlog_ob_offset = 0; 458 459 return str - buf; 460 } 461 static DEVICE_ATTR(ob_log, S_IRUGO, pm8001_ctl_ob_queue_log_show, NULL); 462 /** 463 * pm8001_ctl_bios_version_show - Bios version Display 464 * @cdev:pointer to embedded class device 465 * @attr: device attribute (unused) 466 * @buf:the buffer returned 467 * A sysfs 'read-only' shost attribute. 468 */ 469 static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 470 struct device_attribute *attr, char *buf) 471 { 472 struct Scsi_Host *shost = class_to_shost(cdev); 473 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 474 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 475 char *str = buf; 476 int bios_index; 477 DECLARE_COMPLETION_ONSTACK(completion); 478 struct pm8001_ioctl_payload payload; 479 480 pm8001_ha->nvmd_completion = &completion; 481 payload.minor_function = 7; 482 payload.offset = 0; 483 payload.rd_length = 4096; 484 payload.func_specific = kzalloc(4096, GFP_KERNEL); 485 if (!payload.func_specific) 486 return -ENOMEM; 487 if (PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload)) { 488 kfree(payload.func_specific); 489 return -ENOMEM; 490 } 491 wait_for_completion(&completion); 492 for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; 493 bios_index++) 494 str += sprintf(str, "%c", 495 *(payload.func_specific+bios_index)); 496 kfree(payload.func_specific); 497 return str - buf; 498 } 499 static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); 500 /** 501 * event_log_size_show - event log size 502 * @cdev: pointer to embedded class device 503 * @attr: device attribute (unused) 504 * @buf: the buffer returned 505 * 506 * A sysfs read shost attribute. 507 */ 508 static ssize_t event_log_size_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; 514 515 return snprintf(buf, PAGE_SIZE, "%d\n", 516 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size); 517 } 518 static DEVICE_ATTR_RO(event_log_size); 519 /** 520 * pm8001_ctl_iop_log_show - IOP event log 521 * @cdev: pointer to embedded class device 522 * @attr: device attribute (unused) 523 * @buf: the buffer returned 524 * 525 * A sysfs 'read-only' shost attribute. 526 */ 527 static ssize_t pm8001_ctl_iop_log_show(struct device *cdev, 528 struct device_attribute *attr, char *buf) 529 { 530 struct Scsi_Host *shost = class_to_shost(cdev); 531 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 532 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 533 char *str = buf; 534 u32 read_size = 535 pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024; 536 static u32 start, end, count; 537 u32 max_read_times = 32; 538 u32 max_count = (read_size * 1024) / (max_read_times * 4); 539 u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr; 540 541 if ((count % max_count) == 0) { 542 start = 0; 543 end = max_read_times; 544 count = 0; 545 } else { 546 start = end; 547 end = end + max_read_times; 548 } 549 550 for (; start < end; start++) 551 str += sprintf(str, "%08x ", *(temp+start)); 552 count++; 553 return str - buf; 554 } 555 static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL); 556 557 /** 558 ** pm8001_ctl_fatal_log_show - fatal error logging 559 ** @cdev:pointer to embedded class device 560 ** @attr: device attribute 561 ** @buf: the buffer returned 562 ** 563 ** A sysfs 'read-only' shost attribute. 564 **/ 565 566 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev, 567 struct device_attribute *attr, char *buf) 568 { 569 ssize_t count; 570 571 count = pm80xx_get_fatal_dump(cdev, attr, buf); 572 return count; 573 } 574 575 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL); 576 577 /** 578 ** non_fatal_log_show - non fatal error logging 579 ** @cdev:pointer to embedded class device 580 ** @attr: device attribute 581 ** @buf: the buffer returned 582 ** 583 ** A sysfs 'read-only' shost attribute. 584 **/ 585 static ssize_t non_fatal_log_show(struct device *cdev, 586 struct device_attribute *attr, char *buf) 587 { 588 u32 count; 589 590 count = pm80xx_get_non_fatal_dump(cdev, attr, buf); 591 return count; 592 } 593 static DEVICE_ATTR_RO(non_fatal_log); 594 595 static ssize_t non_fatal_count_show(struct device *cdev, 596 struct device_attribute *attr, char *buf) 597 { 598 struct Scsi_Host *shost = class_to_shost(cdev); 599 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 600 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 601 602 return snprintf(buf, PAGE_SIZE, "%08x", 603 pm8001_ha->non_fatal_count); 604 } 605 606 static ssize_t non_fatal_count_store(struct device *cdev, 607 struct device_attribute *attr, const char *buf, size_t count) 608 { 609 struct Scsi_Host *shost = class_to_shost(cdev); 610 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 611 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 612 int val = 0; 613 614 if (kstrtoint(buf, 16, &val) != 0) 615 return -EINVAL; 616 617 pm8001_ha->non_fatal_count = val; 618 return strlen(buf); 619 } 620 static DEVICE_ATTR_RW(non_fatal_count); 621 622 /** 623 ** pm8001_ctl_gsm_log_show - gsm dump collection 624 ** @cdev:pointer to embedded class device 625 ** @attr: device attribute (unused) 626 ** @buf: the buffer returned 627 ** A sysfs 'read-only' shost attribute. 628 **/ 629 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev, 630 struct device_attribute *attr, char *buf) 631 { 632 ssize_t count; 633 634 count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf); 635 return count; 636 } 637 638 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL); 639 640 #define FLASH_CMD_NONE 0x00 641 #define FLASH_CMD_UPDATE 0x01 642 #define FLASH_CMD_SET_NVMD 0x02 643 644 struct flash_command { 645 u8 command[8]; 646 int code; 647 }; 648 649 static const struct flash_command flash_command_table[] = { 650 {"set_nvmd", FLASH_CMD_SET_NVMD}, 651 {"update", FLASH_CMD_UPDATE}, 652 {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ 653 }; 654 655 struct error_fw { 656 char *reason; 657 int err_code; 658 }; 659 660 static const struct error_fw flash_error_table[] = { 661 {"Failed to open fw image file", FAIL_OPEN_BIOS_FILE}, 662 {"image header mismatch", FLASH_UPDATE_HDR_ERR}, 663 {"image offset mismatch", FLASH_UPDATE_OFFSET_ERR}, 664 {"image CRC Error", FLASH_UPDATE_CRC_ERR}, 665 {"image length Error.", FLASH_UPDATE_LENGTH_ERR}, 666 {"Failed to program flash chip", FLASH_UPDATE_HW_ERR}, 667 {"Flash chip not supported.", FLASH_UPDATE_DNLD_NOT_SUPPORTED}, 668 {"Flash update disabled.", FLASH_UPDATE_DISABLED}, 669 {"Flash in progress", FLASH_IN_PROGRESS}, 670 {"Image file size Error", FAIL_FILE_SIZE}, 671 {"Input parameter error", FAIL_PARAMETERS}, 672 {"Out of memory", FAIL_OUT_MEMORY}, 673 {"OK", 0} /* Last entry err_code = 0. */ 674 }; 675 676 static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha) 677 { 678 struct pm8001_ioctl_payload *payload; 679 DECLARE_COMPLETION_ONSTACK(completion); 680 u8 *ioctlbuffer; 681 u32 ret; 682 u32 length = 1024 * 5 + sizeof(*payload) - 1; 683 684 if (pm8001_ha->fw_image->size > 4096) { 685 pm8001_ha->fw_status = FAIL_FILE_SIZE; 686 return -EFAULT; 687 } 688 689 ioctlbuffer = kzalloc(length, GFP_KERNEL); 690 if (!ioctlbuffer) { 691 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 692 return -ENOMEM; 693 } 694 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 695 memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data, 696 pm8001_ha->fw_image->size); 697 payload->wr_length = pm8001_ha->fw_image->size; 698 payload->id = 0; 699 payload->minor_function = 0x1; 700 pm8001_ha->nvmd_completion = &completion; 701 ret = PM8001_CHIP_DISP->set_nvmd_req(pm8001_ha, payload); 702 if (ret) { 703 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 704 goto out; 705 } 706 wait_for_completion(&completion); 707 out: 708 kfree(ioctlbuffer); 709 return ret; 710 } 711 712 static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) 713 { 714 struct pm8001_ioctl_payload *payload; 715 DECLARE_COMPLETION_ONSTACK(completion); 716 u8 *ioctlbuffer; 717 struct fw_control_info *fwControl; 718 u32 partitionSize, partitionSizeTmp; 719 u32 loopNumber, loopcount; 720 struct pm8001_fw_image_header *image_hdr; 721 u32 sizeRead = 0; 722 u32 ret = 0; 723 u32 length = 1024 * 16 + sizeof(*payload) - 1; 724 725 if (pm8001_ha->fw_image->size < 28) { 726 pm8001_ha->fw_status = FAIL_FILE_SIZE; 727 return -EFAULT; 728 } 729 ioctlbuffer = kzalloc(length, GFP_KERNEL); 730 if (!ioctlbuffer) { 731 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 732 return -ENOMEM; 733 } 734 image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; 735 while (sizeRead < pm8001_ha->fw_image->size) { 736 partitionSizeTmp = 737 *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); 738 partitionSize = be32_to_cpu(partitionSizeTmp); 739 loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, 740 IOCTL_BUF_SIZE); 741 for (loopNumber = 0; loopNumber < loopcount; loopNumber++) { 742 payload = (struct pm8001_ioctl_payload *)ioctlbuffer; 743 payload->wr_length = 1024*16; 744 payload->id = 0; 745 fwControl = 746 (struct fw_control_info *)&payload->func_specific; 747 fwControl->len = IOCTL_BUF_SIZE; /* IN */ 748 fwControl->size = partitionSize + HEADER_LEN;/* IN */ 749 fwControl->retcode = 0;/* OUT */ 750 fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ 751 752 /* for the last chunk of data in case file size is not even with 753 4k, load only the rest*/ 754 if (((loopcount-loopNumber) == 1) && 755 ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { 756 fwControl->len = 757 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 758 memcpy((u8 *)fwControl->buffer, 759 (u8 *)pm8001_ha->fw_image->data + sizeRead, 760 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); 761 sizeRead += 762 (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; 763 } else { 764 memcpy((u8 *)fwControl->buffer, 765 (u8 *)pm8001_ha->fw_image->data + sizeRead, 766 IOCTL_BUF_SIZE); 767 sizeRead += IOCTL_BUF_SIZE; 768 } 769 770 pm8001_ha->nvmd_completion = &completion; 771 ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); 772 if (ret) { 773 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 774 goto out; 775 } 776 wait_for_completion(&completion); 777 if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { 778 pm8001_ha->fw_status = fwControl->retcode; 779 ret = -EFAULT; 780 goto out; 781 } 782 } 783 } 784 out: 785 kfree(ioctlbuffer); 786 return ret; 787 } 788 static ssize_t pm8001_store_update_fw(struct device *cdev, 789 struct device_attribute *attr, 790 const char *buf, size_t count) 791 { 792 struct Scsi_Host *shost = class_to_shost(cdev); 793 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 794 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 795 char *cmd_ptr, *filename_ptr; 796 int res, i; 797 int flash_command = FLASH_CMD_NONE; 798 int ret; 799 800 if (!capable(CAP_SYS_ADMIN)) 801 return -EACCES; 802 803 /* this test protects us from running two flash processes at once, 804 * so we should start with this test */ 805 if (pm8001_ha->fw_status == FLASH_IN_PROGRESS) 806 return -EINPROGRESS; 807 pm8001_ha->fw_status = FLASH_IN_PROGRESS; 808 809 cmd_ptr = kcalloc(count, 2, GFP_KERNEL); 810 if (!cmd_ptr) { 811 pm8001_ha->fw_status = FAIL_OUT_MEMORY; 812 return -ENOMEM; 813 } 814 815 filename_ptr = cmd_ptr + count; 816 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); 817 if (res != 2) { 818 pm8001_ha->fw_status = FAIL_PARAMETERS; 819 ret = -EINVAL; 820 goto out; 821 } 822 823 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { 824 if (!memcmp(flash_command_table[i].command, 825 cmd_ptr, strlen(cmd_ptr))) { 826 flash_command = flash_command_table[i].code; 827 break; 828 } 829 } 830 if (flash_command == FLASH_CMD_NONE) { 831 pm8001_ha->fw_status = FAIL_PARAMETERS; 832 ret = -EINVAL; 833 goto out; 834 } 835 836 ret = request_firmware(&pm8001_ha->fw_image, 837 filename_ptr, 838 pm8001_ha->dev); 839 840 if (ret) { 841 pm8001_dbg(pm8001_ha, FAIL, 842 "Failed to load firmware image file %s, error %d\n", 843 filename_ptr, ret); 844 pm8001_ha->fw_status = FAIL_OPEN_BIOS_FILE; 845 goto out; 846 } 847 848 if (FLASH_CMD_UPDATE == flash_command) 849 ret = pm8001_update_flash(pm8001_ha); 850 else 851 ret = pm8001_set_nvmd(pm8001_ha); 852 853 release_firmware(pm8001_ha->fw_image); 854 out: 855 kfree(cmd_ptr); 856 857 if (ret) 858 return ret; 859 860 pm8001_ha->fw_status = FLASH_OK; 861 return count; 862 } 863 864 static ssize_t pm8001_show_update_fw(struct device *cdev, 865 struct device_attribute *attr, char *buf) 866 { 867 int i; 868 struct Scsi_Host *shost = class_to_shost(cdev); 869 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 870 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 871 872 for (i = 0; flash_error_table[i].err_code != 0; i++) { 873 if (flash_error_table[i].err_code == pm8001_ha->fw_status) 874 break; 875 } 876 if (pm8001_ha->fw_status != FLASH_IN_PROGRESS) 877 pm8001_ha->fw_status = FLASH_OK; 878 879 return snprintf(buf, PAGE_SIZE, "status=%x %s\n", 880 flash_error_table[i].err_code, 881 flash_error_table[i].reason); 882 } 883 static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, 884 pm8001_show_update_fw, pm8001_store_update_fw); 885 886 /** 887 * ctl_mpi_state_show - controller MPI state check 888 * @cdev: pointer to embedded class device 889 * @buf: the buffer returned 890 * 891 * A sysfs 'read-only' shost attribute. 892 */ 893 894 static const char *const mpiStateText[] = { 895 "MPI is not initialized", 896 "MPI is successfully initialized", 897 "MPI termination is in progress", 898 "MPI initialization failed with error in [31:16]" 899 }; 900 901 static ssize_t ctl_mpi_state_show(struct device *cdev, 902 struct device_attribute *attr, char *buf) 903 { 904 struct Scsi_Host *shost = class_to_shost(cdev); 905 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 906 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 907 unsigned int mpidw0; 908 909 mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); 910 return sysfs_emit(buf, "%s\n", mpiStateText[mpidw0 & 0x0003]); 911 } 912 static DEVICE_ATTR_RO(ctl_mpi_state); 913 914 /** 915 * ctl_hmi_error_show - controller MPI initialization fails 916 * @cdev: pointer to embedded class device 917 * @buf: the buffer returned 918 * 919 * A sysfs 'read-only' shost attribute. 920 */ 921 922 static ssize_t ctl_hmi_error_show(struct device *cdev, 923 struct device_attribute *attr, char *buf) 924 { 925 struct Scsi_Host *shost = class_to_shost(cdev); 926 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 927 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 928 unsigned int mpidw0; 929 930 mpidw0 = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 0); 931 return sysfs_emit(buf, "0x%08x\n", (mpidw0 >> 16)); 932 } 933 static DEVICE_ATTR_RO(ctl_hmi_error); 934 935 /** 936 * ctl_raae_count_show - controller raae count check 937 * @cdev: pointer to embedded class device 938 * @buf: the buffer returned 939 * 940 * A sysfs 'read-only' shost attribute. 941 */ 942 943 static ssize_t ctl_raae_count_show(struct device *cdev, 944 struct device_attribute *attr, char *buf) 945 { 946 struct Scsi_Host *shost = class_to_shost(cdev); 947 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 948 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 949 unsigned int raaecnt; 950 951 raaecnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 12); 952 return sysfs_emit(buf, "0x%08x\n", raaecnt); 953 } 954 static DEVICE_ATTR_RO(ctl_raae_count); 955 956 /** 957 * ctl_iop0_count_show - controller iop0 count check 958 * @cdev: pointer to embedded class device 959 * @buf: the buffer returned 960 * 961 * A sysfs 'read-only' shost attribute. 962 */ 963 964 static ssize_t ctl_iop0_count_show(struct device *cdev, 965 struct device_attribute *attr, char *buf) 966 { 967 struct Scsi_Host *shost = class_to_shost(cdev); 968 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 969 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 970 unsigned int iop0cnt; 971 972 iop0cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 16); 973 return sysfs_emit(buf, "0x%08x\n", iop0cnt); 974 } 975 static DEVICE_ATTR_RO(ctl_iop0_count); 976 977 /** 978 * ctl_iop1_count_show - controller iop1 count check 979 * @cdev: pointer to embedded class device 980 * @buf: the buffer returned 981 * 982 * A sysfs 'read-only' shost attribute. 983 */ 984 985 static ssize_t ctl_iop1_count_show(struct device *cdev, 986 struct device_attribute *attr, char *buf) 987 { 988 struct Scsi_Host *shost = class_to_shost(cdev); 989 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 990 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 991 unsigned int iop1cnt; 992 993 iop1cnt = pm8001_mr32(pm8001_ha->general_stat_tbl_addr, 20); 994 return sysfs_emit(buf, "0x%08x\n", iop1cnt); 995 996 } 997 static DEVICE_ATTR_RO(ctl_iop1_count); 998 999 struct device_attribute *pm8001_host_attrs[] = { 1000 &dev_attr_interface_rev, 1001 &dev_attr_controller_fatal_error, 1002 &dev_attr_fw_version, 1003 &dev_attr_update_fw, 1004 &dev_attr_aap_log, 1005 &dev_attr_iop_log, 1006 &dev_attr_fatal_log, 1007 &dev_attr_non_fatal_log, 1008 &dev_attr_non_fatal_count, 1009 &dev_attr_gsm_log, 1010 &dev_attr_max_out_io, 1011 &dev_attr_max_devices, 1012 &dev_attr_max_sg_list, 1013 &dev_attr_sas_spec_support, 1014 &dev_attr_logging_level, 1015 &dev_attr_event_log_size, 1016 &dev_attr_host_sas_address, 1017 &dev_attr_bios_version, 1018 &dev_attr_ib_log, 1019 &dev_attr_ob_log, 1020 &dev_attr_ila_version, 1021 &dev_attr_inc_fw_ver, 1022 &dev_attr_ctl_mpi_state, 1023 &dev_attr_ctl_hmi_error, 1024 &dev_attr_ctl_raae_count, 1025 &dev_attr_ctl_iop0_count, 1026 &dev_attr_ctl_iop1_count, 1027 NULL, 1028 }; 1029 1030