1 /*- 2 * Written by: David Jeffery 3 * Copyright (c) 2002 Adaptec Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <dev/ips/ipsreg.h> 32 #include <dev/ips/ips.h> 33 34 /* 35 * This is an interrupt callback. It is called from 36 * interrupt context when the adapter has completed the 37 * command. This very generic callback simply stores 38 * the command's return value in command->arg and wake's 39 * up anyone waiting on the command. 40 */ 41 static void ips_wakeup_callback(ips_command_t *command) 42 { 43 bus_dmamap_sync(command->sc->command_dmatag, command->command_dmamap, 44 BUS_DMASYNC_POSTWRITE); 45 sema_post(&command->sc->cmd_sema); 46 } 47 /* Below are a series of functions for sending an IO request 48 * to the adapter. The flow order is: start, send, callback, finish. 49 * The caller must have already assembled an iorequest struct to hold 50 * the details of the IO request. */ 51 static void ips_io_request_finish(ips_command_t *command) 52 { 53 54 struct bio *iobuf = command->arg; 55 if(ips_read_request(iobuf)) { 56 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 57 BUS_DMASYNC_POSTREAD); 58 } else { 59 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 60 BUS_DMASYNC_POSTWRITE); 61 } 62 bus_dmamap_unload(command->data_dmatag, command->data_dmamap); 63 if(COMMAND_ERROR(command)){ 64 iobuf->bio_flags |=BIO_ERROR; 65 iobuf->bio_error = EIO; 66 printf("ips: io error, status= 0x%x\n", command->status.value); 67 } 68 ips_insert_free_cmd(command->sc, command); 69 ipsd_finish(iobuf); 70 } 71 72 static void ips_io_request_callback(void *cmdptr, bus_dma_segment_t *segments,int segnum, int error) 73 { 74 ips_softc_t *sc; 75 ips_command_t *command = cmdptr; 76 ips_sg_element_t *sg_list; 77 ips_io_cmd *command_struct; 78 struct bio *iobuf = command->arg; 79 int i, length = 0; 80 u_int8_t cmdtype; 81 82 sc = command->sc; 83 if(error){ 84 printf("ips: error = %d in ips_sg_request_callback\n", error); 85 bus_dmamap_unload(command->data_dmatag, command->data_dmamap); 86 iobuf->bio_flags |= BIO_ERROR; 87 iobuf->bio_error = ENOMEM; 88 ips_insert_free_cmd(sc, command); 89 ipsd_finish(iobuf); 90 return; 91 } 92 command_struct = (ips_io_cmd *)command->command_buffer; 93 command_struct->id = command->id; 94 command_struct->drivenum = (uintptr_t)iobuf->bio_driver1; 95 if(segnum != 1){ 96 if(ips_read_request(iobuf)) 97 cmdtype = IPS_SG_READ_CMD; 98 else 99 cmdtype = IPS_SG_WRITE_CMD; 100 command_struct->segnum = segnum; 101 sg_list = (ips_sg_element_t *)((u_int8_t *) 102 command->command_buffer + IPS_COMMAND_LEN); 103 for(i = 0; i < segnum; i++){ 104 sg_list[i].addr = segments[i].ds_addr; 105 sg_list[i].len = segments[i].ds_len; 106 length += segments[i].ds_len; 107 } 108 command_struct->buffaddr = 109 (u_int32_t)command->command_phys_addr + IPS_COMMAND_LEN; 110 } else { 111 if(ips_read_request(iobuf)) 112 cmdtype = IPS_READ_CMD; 113 else 114 cmdtype = IPS_WRITE_CMD; 115 command_struct->buffaddr = segments[0].ds_addr; 116 length = segments[0].ds_len; 117 } 118 command_struct->command = cmdtype; 119 command_struct->lba = iobuf->bio_pblkno; 120 length = (length + IPS_BLKSIZE - 1)/IPS_BLKSIZE; 121 command_struct->length = length; 122 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 123 BUS_DMASYNC_PREWRITE); 124 if(ips_read_request(iobuf)) { 125 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 126 BUS_DMASYNC_PREREAD); 127 } else { 128 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 129 BUS_DMASYNC_PREWRITE); 130 } 131 PRINTF(10, "ips test: command id: %d segments: %d " 132 "pblkno: %lld length: %d, ds_len: %d\n", command->id, segnum, 133 iobuf->bio_pblkno, 134 length, segments[0].ds_len); 135 136 sc->ips_issue_cmd(command); 137 return; 138 } 139 140 static int ips_send_io_request(ips_command_t *command, struct bio *iobuf) 141 { 142 command->callback = ips_io_request_finish; 143 command->arg = iobuf; 144 PRINTF(10, "ips test: : bcount %ld\n", iobuf->bio_bcount); 145 bus_dmamap_load(command->data_dmatag, command->data_dmamap, 146 iobuf->bio_data, iobuf->bio_bcount, 147 ips_io_request_callback, command, 0); 148 return 0; 149 } 150 151 void ips_start_io_request(ips_softc_t *sc) 152 { 153 struct bio *iobuf; 154 ips_command_t *command; 155 156 iobuf = bioq_first(&sc->queue); 157 if(!iobuf) 158 return; 159 160 if (ips_get_free_cmd(sc, &command, 0)) 161 return; 162 163 bioq_remove(&sc->queue, iobuf); 164 ips_send_io_request(command, iobuf); 165 return; 166 } 167 168 /* Below are a series of functions for sending an adapter info request 169 * to the adapter. The flow order is: get, send, callback. It uses 170 * the generic finish callback at the top of this file. 171 * This can be used to get configuration/status info from the card */ 172 static void ips_adapter_info_callback(void *cmdptr, bus_dma_segment_t *segments,int segnum, int error) 173 { 174 ips_softc_t *sc; 175 ips_command_t *command = cmdptr; 176 ips_adapter_info_cmd *command_struct; 177 sc = command->sc; 178 if(error){ 179 ips_set_error(command, error); 180 printf("ips: error = %d in ips_get_adapter_info\n", error); 181 return; 182 } 183 command_struct = (ips_adapter_info_cmd *)command->command_buffer; 184 command_struct->command = IPS_ADAPTER_INFO_CMD; 185 command_struct->id = command->id; 186 command_struct->buffaddr = segments[0].ds_addr; 187 188 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 189 BUS_DMASYNC_PREWRITE); 190 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 191 BUS_DMASYNC_PREREAD); 192 sc->ips_issue_cmd(command); 193 if (sema_timedwait(&sc->cmd_sema, 30*hz) != 0) { 194 ips_set_error(command, ETIMEDOUT); 195 return; 196 } 197 198 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 199 BUS_DMASYNC_POSTREAD); 200 memcpy(&(sc->adapter_info), command->data_buffer, IPS_ADAPTER_INFO_LEN); 201 } 202 203 204 205 static int ips_send_adapter_info_cmd(ips_command_t *command) 206 { 207 int error = 0; 208 ips_softc_t *sc = command->sc; 209 210 if (bus_dma_tag_create( /* parent */ sc->adapter_dmatag, 211 /* alignemnt */ 1, 212 /* boundary */ 0, 213 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 214 /* highaddr */ BUS_SPACE_MAXADDR, 215 /* filter */ NULL, 216 /* filterarg */ NULL, 217 /* maxsize */ IPS_ADAPTER_INFO_LEN, 218 /* numsegs */ 1, 219 /* maxsegsize*/ IPS_ADAPTER_INFO_LEN, 220 /* flags */ 0, 221 /* lockfunc */ NULL, 222 /* lockarg */ NULL, 223 &command->data_dmatag) != 0) { 224 printf("ips: can't alloc dma tag for adapter status\n"); 225 error = ENOMEM; 226 goto exit; 227 } 228 if(bus_dmamem_alloc(command->data_dmatag, &command->data_buffer, 229 BUS_DMA_NOWAIT, &command->data_dmamap)){ 230 error = ENOMEM; 231 goto exit; 232 } 233 command->callback = ips_wakeup_callback; 234 error = bus_dmamap_load(command->data_dmatag, command->data_dmamap, 235 command->data_buffer,IPS_ADAPTER_INFO_LEN, 236 ips_adapter_info_callback, command, 237 BUS_DMA_NOWAIT); 238 239 if (error == 0) 240 bus_dmamap_unload(command->data_dmatag, command->data_dmamap); 241 242 exit: 243 /* I suppose I should clean up my memory allocations */ 244 bus_dmamem_free(command->data_dmatag, command->data_buffer, 245 command->data_dmamap); 246 bus_dma_tag_destroy(command->data_dmatag); 247 ips_insert_free_cmd(sc, command); 248 return error; 249 } 250 251 int ips_get_adapter_info(ips_softc_t *sc) 252 { 253 ips_command_t *command; 254 int error = 0; 255 256 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG) > 0){ 257 device_printf(sc->dev, "unable to get adapter configuration\n"); 258 return ENXIO; 259 } 260 ips_send_adapter_info_cmd(command); 261 if (COMMAND_ERROR(command)){ 262 error = ENXIO; 263 } 264 return error; 265 } 266 267 /* Below are a series of functions for sending a drive info request 268 * to the adapter. The flow order is: get, send, callback. It uses 269 * the generic finish callback at the top of this file. 270 * This can be used to get drive status info from the card */ 271 static void ips_drive_info_callback(void *cmdptr, bus_dma_segment_t *segments,int segnum, int error) 272 { 273 ips_softc_t *sc; 274 ips_command_t *command = cmdptr; 275 ips_drive_cmd *command_struct; 276 ips_drive_info_t *driveinfo; 277 278 sc = command->sc; 279 if(error){ 280 ips_set_error(command, error); 281 printf("ips: error = %d in ips_get_drive_info\n", error); 282 return; 283 } 284 command_struct = (ips_drive_cmd *)command->command_buffer; 285 command_struct->command = IPS_DRIVE_INFO_CMD; 286 command_struct->id = command->id; 287 command_struct->buffaddr = segments[0].ds_addr; 288 289 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 290 BUS_DMASYNC_PREWRITE); 291 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 292 BUS_DMASYNC_PREREAD); 293 sc->ips_issue_cmd(command); 294 if (sema_timedwait(&sc->cmd_sema, 10*hz) != 0) { 295 ips_set_error(command, ETIMEDOUT); 296 return; 297 } 298 299 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 300 BUS_DMASYNC_POSTREAD); 301 driveinfo = command->data_buffer; 302 memcpy(sc->drives, driveinfo->drives, sizeof(ips_drive_t) * 8); 303 sc->drivecount = driveinfo->drivecount; 304 device_printf(sc->dev, "logical drives: %d\n",sc->drivecount); 305 } 306 307 static int ips_send_drive_info_cmd(ips_command_t *command) 308 { 309 int error = 0; 310 ips_softc_t *sc = command->sc; 311 312 if (bus_dma_tag_create( /* parent */ sc->adapter_dmatag, 313 /* alignemnt */ 1, 314 /* boundary */ 0, 315 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 316 /* highaddr */ BUS_SPACE_MAXADDR, 317 /* filter */ NULL, 318 /* filterarg */ NULL, 319 /* maxsize */ IPS_DRIVE_INFO_LEN, 320 /* numsegs */ 1, 321 /* maxsegsize*/ IPS_DRIVE_INFO_LEN, 322 /* flags */ 0, 323 /* lockfunc */ NULL, 324 /* lockarg */ NULL, 325 &command->data_dmatag) != 0) { 326 printf("ips: can't alloc dma tag for drive status\n"); 327 error = ENOMEM; 328 goto exit; 329 } 330 if(bus_dmamem_alloc(command->data_dmatag, &command->data_buffer, 331 BUS_DMA_NOWAIT, &command->data_dmamap)){ 332 error = ENOMEM; 333 goto exit; 334 } 335 command->callback = ips_wakeup_callback; 336 error = bus_dmamap_load(command->data_dmatag, command->data_dmamap, 337 command->data_buffer,IPS_DRIVE_INFO_LEN, 338 ips_drive_info_callback, command, 339 BUS_DMA_NOWAIT); 340 if (error == 0) 341 bus_dmamap_unload(command->data_dmatag, command->data_dmamap); 342 343 exit: 344 /* I suppose I should clean up my memory allocations */ 345 bus_dmamem_free(command->data_dmatag, command->data_buffer, 346 command->data_dmamap); 347 bus_dma_tag_destroy(command->data_dmatag); 348 ips_insert_free_cmd(sc, command); 349 return error; 350 351 } 352 int ips_get_drive_info(ips_softc_t *sc) 353 { 354 int error = 0; 355 ips_command_t *command; 356 357 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG) > 0){ 358 device_printf(sc->dev, "unable to get drive configuration\n"); 359 return ENXIO; 360 } 361 ips_send_drive_info_cmd(command); 362 if(COMMAND_ERROR(command)){ 363 error = ENXIO; 364 } 365 return error; 366 } 367 368 /* Below is a pair of functions for making sure data is safely 369 * on disk by flushing the adapter's cache. */ 370 static int ips_send_flush_cache_cmd(ips_command_t *command) 371 { 372 ips_softc_t *sc = command->sc; 373 ips_generic_cmd *command_struct; 374 375 PRINTF(10,"ips test: got a command, building flush command\n"); 376 command->callback = ips_wakeup_callback; 377 command_struct = (ips_generic_cmd *)command->command_buffer; 378 command_struct->command = IPS_CACHE_FLUSH_CMD; 379 command_struct->id = command->id; 380 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 381 BUS_DMASYNC_PREWRITE); 382 sc->ips_issue_cmd(command); 383 if (COMMAND_ERROR(command) == 0) 384 sema_wait(&sc->cmd_sema); 385 ips_insert_free_cmd(sc, command); 386 return 0; 387 } 388 389 int ips_flush_cache(ips_softc_t *sc) 390 { 391 ips_command_t *command; 392 393 device_printf(sc->dev, "flushing cache\n"); 394 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){ 395 device_printf(sc->dev, "ERROR: unable to get a command! can't flush cache!\n"); 396 } 397 ips_send_flush_cache_cmd(command); 398 if(COMMAND_ERROR(command)){ 399 device_printf(sc->dev, "ERROR: cache flush command failed!\n"); 400 } 401 return 0; 402 } 403 404 /* Simplified localtime to provide timevalues for ffdc. 405 * Taken from libc/stdtime/localtime.c 406 */ 407 void static ips_ffdc_settime(ips_adapter_ffdc_cmd *command, time_t sctime) 408 { 409 long days, rem, y; 410 int yleap, *ip, month; 411 int year_lengths[2] = { IPS_DAYSPERNYEAR, IPS_DAYSPERLYEAR }; 412 int mon_lengths[2][IPS_MONSPERYEAR] = { 413 { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, 414 { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } 415 }; 416 417 days = sctime / IPS_SECSPERDAY; 418 rem = sctime % IPS_SECSPERDAY; 419 420 command->hour = rem / IPS_SECSPERHOUR; 421 rem = rem % IPS_SECSPERHOUR; 422 423 command->minute = rem / IPS_SECSPERMIN; 424 command->second = rem % IPS_SECSPERMIN; 425 426 y = IPS_EPOCH_YEAR; 427 while (days < 0 || days >= (long) year_lengths[yleap = ips_isleap(y)]) { 428 long newy; 429 430 newy = y + days / IPS_DAYSPERNYEAR; 431 if (days < 0) 432 --newy; 433 days -= (newy - y) * IPS_DAYSPERNYEAR + 434 IPS_LEAPS_THRU_END_OF(newy - 1) - 435 IPS_LEAPS_THRU_END_OF(y - 1); 436 y = newy; 437 } 438 command->yearH = y / 100; 439 command->yearL = y % 100; 440 ip = mon_lengths[yleap]; 441 for(month = 0; days >= (long) ip[month]; ++month) 442 days = days - (long) ip[month]; 443 command->month = month + 1; 444 command->day = days + 1; 445 } 446 447 static int ips_send_ffdc_reset_cmd(ips_command_t *command) 448 { 449 ips_softc_t *sc = command->sc; 450 ips_adapter_ffdc_cmd *command_struct; 451 452 PRINTF(10,"ips test: got a command, building ffdc reset command\n"); 453 command->callback = ips_wakeup_callback; 454 command_struct = (ips_adapter_ffdc_cmd *)command->command_buffer; 455 command_struct->command = IPS_FFDC_CMD; 456 command_struct->id = command->id; 457 command_struct->reset_count = sc->ffdc_resetcount; 458 command_struct->reset_type = 0x0; 459 ips_ffdc_settime(command_struct, sc->ffdc_resettime.tv_sec); 460 461 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 462 BUS_DMASYNC_PREWRITE); 463 sc->ips_issue_cmd(command); 464 if (COMMAND_ERROR(command) == 0) 465 sema_wait(&sc->cmd_sema); 466 ips_insert_free_cmd(sc, command); 467 return 0; 468 } 469 470 int ips_ffdc_reset(ips_softc_t *sc) 471 { 472 ips_command_t *command; 473 474 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){ 475 device_printf(sc->dev, "ERROR: unable to get a command! can't send ffdc reset!\n"); 476 } 477 ips_send_ffdc_reset_cmd(command); 478 if(COMMAND_ERROR(command)){ 479 device_printf(sc->dev, "ERROR: ffdc reset command failed!\n"); 480 } 481 return 0; 482 } 483 484 static void ips_write_nvram(ips_command_t *command){ 485 ips_softc_t *sc = command->sc; 486 ips_rw_nvram_cmd *command_struct; 487 ips_nvram_page5 *nvram; 488 489 /*FIXME check for error */ 490 command->callback = ips_wakeup_callback; 491 command_struct = (ips_rw_nvram_cmd *)command->command_buffer; 492 command_struct->command = IPS_RW_NVRAM_CMD; 493 command_struct->id = command->id; 494 command_struct->pagenum = 5; 495 command_struct->rw = 1; /*write*/ 496 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 497 BUS_DMASYNC_POSTREAD); 498 nvram = command->data_buffer; 499 /* retrieve adapter info and save in sc */ 500 sc->adapter_type = nvram->adapter_type; 501 502 strncpy(nvram->driver_high, IPS_VERSION_MAJOR, 4); 503 strncpy(nvram->driver_low, IPS_VERSION_MINOR, 4); 504 nvram->operating_system = IPS_OS_FREEBSD; 505 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 506 BUS_DMASYNC_PREWRITE); 507 sc->ips_issue_cmd(command); 508 } 509 510 static void ips_read_nvram_callback(void *cmdptr, bus_dma_segment_t *segments,int segnum, int error) 511 { 512 ips_softc_t *sc; 513 ips_command_t *command = cmdptr; 514 ips_rw_nvram_cmd *command_struct; 515 sc = command->sc; 516 if(error){ 517 ips_set_error(command, error); 518 printf("ips: error = %d in ips_read_nvram_callback\n", error); 519 return; 520 } 521 command_struct = (ips_rw_nvram_cmd *)command->command_buffer; 522 command_struct->command = IPS_RW_NVRAM_CMD; 523 command_struct->id = command->id; 524 command_struct->pagenum = 5; 525 command_struct->rw = 0; 526 command_struct->buffaddr = segments[0].ds_addr; 527 528 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 529 BUS_DMASYNC_PREWRITE); 530 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 531 BUS_DMASYNC_PREREAD); 532 sc->ips_issue_cmd(command); 533 if (sema_timedwait(&sc->cmd_sema, 30*hz) != 0) { 534 ips_set_error(command, ETIMEDOUT); 535 return; 536 } 537 bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 538 BUS_DMASYNC_POSTWRITE); 539 } 540 541 static int ips_read_nvram(ips_command_t *command) 542 { 543 int error = 0; 544 ips_softc_t *sc = command->sc; 545 546 if (bus_dma_tag_create( /* parent */ sc->adapter_dmatag, 547 /* alignemnt */ 1, 548 /* boundary */ 0, 549 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 550 /* highaddr */ BUS_SPACE_MAXADDR, 551 /* filter */ NULL, 552 /* filterarg */ NULL, 553 /* maxsize */ IPS_NVRAM_PAGE_SIZE, 554 /* numsegs */ 1, 555 /* maxsegsize*/ IPS_NVRAM_PAGE_SIZE, 556 /* flags */ 0, 557 /* lockfunc */ NULL, 558 /* lockarg */ NULL, 559 &command->data_dmatag) != 0) { 560 printf("ips: can't alloc dma tag for nvram\n"); 561 error = ENOMEM; 562 goto exit; 563 } 564 if(bus_dmamem_alloc(command->data_dmatag, &command->data_buffer, 565 BUS_DMA_NOWAIT, &command->data_dmamap)){ 566 error = ENOMEM; 567 goto exit; 568 } 569 command->callback = ips_write_nvram; 570 error = bus_dmamap_load(command->data_dmatag, command->data_dmamap, 571 command->data_buffer,IPS_NVRAM_PAGE_SIZE, 572 ips_read_nvram_callback, command, 573 BUS_DMA_NOWAIT); 574 if (error == 0) 575 bus_dmamap_unload(command->data_dmatag, command->data_dmamap); 576 577 exit: 578 bus_dmamem_free(command->data_dmatag, command->data_buffer, 579 command->data_dmamap); 580 bus_dma_tag_destroy(command->data_dmatag); 581 ips_insert_free_cmd(sc, command); 582 return error; 583 } 584 585 int ips_update_nvram(ips_softc_t *sc) 586 { 587 ips_command_t *command; 588 589 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){ 590 device_printf(sc->dev, "ERROR: unable to get a command! can't update nvram\n"); 591 return 1; 592 } 593 ips_read_nvram(command); 594 if(COMMAND_ERROR(command)){ 595 device_printf(sc->dev, "ERROR: nvram update command failed!\n"); 596 } 597 return 0; 598 599 600 } 601 602 603 static int ips_send_config_sync_cmd(ips_command_t *command) 604 { 605 ips_softc_t *sc = command->sc; 606 ips_generic_cmd *command_struct; 607 608 PRINTF(10,"ips test: got a command, building flush command\n"); 609 command->callback = ips_wakeup_callback; 610 command_struct = (ips_generic_cmd *)command->command_buffer; 611 command_struct->command = IPS_CONFIG_SYNC_CMD; 612 command_struct->id = command->id; 613 command_struct->reserve2 = IPS_POCL; 614 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 615 BUS_DMASYNC_PREWRITE); 616 sc->ips_issue_cmd(command); 617 if (COMMAND_ERROR(command) == 0) 618 sema_wait(&sc->cmd_sema); 619 ips_insert_free_cmd(sc, command); 620 return 0; 621 } 622 623 static int ips_send_error_table_cmd(ips_command_t *command) 624 { 625 ips_softc_t *sc = command->sc; 626 ips_generic_cmd *command_struct; 627 628 PRINTF(10,"ips test: got a command, building errortable command\n"); 629 command->callback = ips_wakeup_callback; 630 command_struct = (ips_generic_cmd *)command->command_buffer; 631 command_struct->command = IPS_ERROR_TABLE_CMD; 632 command_struct->id = command->id; 633 command_struct->reserve2 = IPS_CSL; 634 bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 635 BUS_DMASYNC_PREWRITE); 636 sc->ips_issue_cmd(command); 637 if (COMMAND_ERROR(command) == 0) 638 sema_wait(&sc->cmd_sema); 639 ips_insert_free_cmd(sc, command); 640 return 0; 641 } 642 643 644 int ips_clear_adapter(ips_softc_t *sc) 645 { 646 ips_command_t *command; 647 648 device_printf(sc->dev, "syncing config\n"); 649 if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){ 650 device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n"); 651 return 1; 652 } 653 ips_send_config_sync_cmd(command); 654 if(COMMAND_ERROR(command)){ 655 device_printf(sc->dev, "ERROR: cache sync command failed!\n"); 656 return 1; 657 } 658 659 device_printf(sc->dev, "clearing error table\n"); 660 if(ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){ 661 device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n"); 662 return 1; 663 } 664 ips_send_error_table_cmd(command); 665 if(COMMAND_ERROR(command)){ 666 device_printf(sc->dev, "ERROR: etable command failed!\n"); 667 return 1; 668 } 669 670 return 0; 671 } 672