Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/mpt/mpt_user.c
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1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2008 Yahoo!, Inc. 5 * All rights reserved. 6 * Written by: John Baldwin <jhb@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * LSI MPT-Fusion Host Adapter FreeBSD userland interface 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <sys/param.h> 39 #ifdef __amd64__ 40 #include <sys/abi_compat.h> 41 #endif 42 #include <sys/conf.h> 43 #include <sys/errno.h> 44 #include <sys/ioccom.h> 45 #include <sys/mpt_ioctl.h> 46 47 #include <dev/mpt/mpt.h> 48 49 struct mpt_user_raid_action_result { 50 uint32_t volume_status; 51 uint32_t action_data[4]; 52 uint16_t action_status; 53 }; 54 55 struct mpt_page_memory { 56 bus_dma_tag_t tag; 57 bus_dmamap_t map; 58 bus_addr_t paddr; 59 void *vaddr; 60 }; 61 62 static mpt_probe_handler_t mpt_user_probe; 63 static mpt_attach_handler_t mpt_user_attach; 64 static mpt_enable_handler_t mpt_user_enable; 65 static mpt_ready_handler_t mpt_user_ready; 66 static mpt_event_handler_t mpt_user_event; 67 static mpt_reset_handler_t mpt_user_reset; 68 static mpt_detach_handler_t mpt_user_detach; 69 70 static struct mpt_personality mpt_user_personality = { 71 .name = "mpt_user", 72 .probe = mpt_user_probe, 73 .attach = mpt_user_attach, 74 .enable = mpt_user_enable, 75 .ready = mpt_user_ready, 76 .event = mpt_user_event, 77 .reset = mpt_user_reset, 78 .detach = mpt_user_detach, 79 }; 80 81 DECLARE_MPT_PERSONALITY(mpt_user, SI_ORDER_SECOND); 82 83 static mpt_reply_handler_t mpt_user_reply_handler; 84 85 static d_open_t mpt_open; 86 static d_close_t mpt_close; 87 static d_ioctl_t mpt_ioctl; 88 89 static struct cdevsw mpt_cdevsw = { 90 .d_version = D_VERSION, 91 .d_flags = 0, 92 .d_open = mpt_open, 93 .d_close = mpt_close, 94 .d_ioctl = mpt_ioctl, 95 .d_name = "mpt", 96 }; 97 98 static MALLOC_DEFINE(M_MPTUSER, "mpt_user", "Buffers for mpt(4) ioctls"); 99 100 static uint32_t user_handler_id = MPT_HANDLER_ID_NONE; 101 102 static int 103 mpt_user_probe(struct mpt_softc *mpt) 104 { 105 106 /* Attach to every controller. */ 107 return (0); 108 } 109 110 static int 111 mpt_user_attach(struct mpt_softc *mpt) 112 { 113 mpt_handler_t handler; 114 int error, unit; 115 116 MPT_LOCK(mpt); 117 handler.reply_handler = mpt_user_reply_handler; 118 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 119 &user_handler_id); 120 MPT_UNLOCK(mpt); 121 if (error != 0) { 122 mpt_prt(mpt, "Unable to register user handler!\n"); 123 return (error); 124 } 125 unit = device_get_unit(mpt->dev); 126 mpt->cdev = make_dev(&mpt_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640, 127 "mpt%d", unit); 128 if (mpt->cdev == NULL) { 129 MPT_LOCK(mpt); 130 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 131 user_handler_id); 132 MPT_UNLOCK(mpt); 133 return (ENOMEM); 134 } 135 mpt->cdev->si_drv1 = mpt; 136 return (0); 137 } 138 139 static int 140 mpt_user_enable(struct mpt_softc *mpt) 141 { 142 143 return (0); 144 } 145 146 static void 147 mpt_user_ready(struct mpt_softc *mpt) 148 { 149 150 } 151 152 static int 153 mpt_user_event(struct mpt_softc *mpt, request_t *req, 154 MSG_EVENT_NOTIFY_REPLY *msg) 155 { 156 157 /* Someday we may want to let a user daemon listen for events? */ 158 return (0); 159 } 160 161 static void 162 mpt_user_reset(struct mpt_softc *mpt, int type) 163 { 164 165 } 166 167 static void 168 mpt_user_detach(struct mpt_softc *mpt) 169 { 170 mpt_handler_t handler; 171 172 /* XXX: do a purge of pending requests? */ 173 destroy_dev(mpt->cdev); 174 175 MPT_LOCK(mpt); 176 handler.reply_handler = mpt_user_reply_handler; 177 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 178 user_handler_id); 179 MPT_UNLOCK(mpt); 180 } 181 182 static int 183 mpt_open(struct cdev *dev, int flags, int fmt, struct thread *td) 184 { 185 186 return (0); 187 } 188 189 static int 190 mpt_close(struct cdev *dev, int flags, int fmt, struct thread *td) 191 { 192 193 return (0); 194 } 195 196 static int 197 mpt_alloc_buffer(struct mpt_softc *mpt, struct mpt_page_memory *page_mem, 198 size_t len) 199 { 200 struct mpt_map_info mi; 201 int error; 202 203 page_mem->vaddr = NULL; 204 205 /* Limit requests to 16M. */ 206 if (len > 16 * 1024 * 1024) 207 return (ENOSPC); 208 error = mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 0, 209 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 210 len, 1, len, 0, &page_mem->tag); 211 if (error) 212 return (error); 213 error = bus_dmamem_alloc(page_mem->tag, &page_mem->vaddr, 214 BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &page_mem->map); 215 if (error) { 216 bus_dma_tag_destroy(page_mem->tag); 217 return (error); 218 } 219 mi.mpt = mpt; 220 error = bus_dmamap_load(page_mem->tag, page_mem->map, page_mem->vaddr, 221 len, mpt_map_rquest, &mi, BUS_DMA_NOWAIT); 222 if (error == 0) 223 error = mi.error; 224 if (error) { 225 bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map); 226 bus_dma_tag_destroy(page_mem->tag); 227 page_mem->vaddr = NULL; 228 return (error); 229 } 230 page_mem->paddr = mi.phys; 231 return (0); 232 } 233 234 static void 235 mpt_free_buffer(struct mpt_page_memory *page_mem) 236 { 237 238 if (page_mem->vaddr == NULL) 239 return; 240 bus_dmamap_unload(page_mem->tag, page_mem->map); 241 bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map); 242 bus_dma_tag_destroy(page_mem->tag); 243 page_mem->vaddr = NULL; 244 } 245 246 static int 247 mpt_user_read_cfg_header(struct mpt_softc *mpt, 248 struct mpt_cfg_page_req *page_req) 249 { 250 request_t *req; 251 cfgparms_t params; 252 MSG_CONFIG *cfgp; 253 int error; 254 255 req = mpt_get_request(mpt, TRUE); 256 if (req == NULL) { 257 mpt_prt(mpt, "mpt_user_read_cfg_header: Get request failed!\n"); 258 return (ENOMEM); 259 } 260 261 params.Action = MPI_CONFIG_ACTION_PAGE_HEADER; 262 params.PageVersion = 0; 263 params.PageLength = 0; 264 params.PageNumber = page_req->header.PageNumber; 265 params.PageType = page_req->header.PageType; 266 params.PageAddress = le32toh(page_req->page_address); 267 error = mpt_issue_cfg_req(mpt, req, ¶ms, /*addr*/0, /*len*/0, 268 TRUE, 5000); 269 if (error != 0) { 270 /* 271 * Leave the request. Without resetting the chip, it's 272 * still owned by it and we'll just get into trouble 273 * freeing it now. Mark it as abandoned so that if it 274 * shows up later it can be freed. 275 */ 276 mpt_prt(mpt, "read_cfg_header timed out\n"); 277 return (ETIMEDOUT); 278 } 279 280 page_req->ioc_status = htole16(req->IOCStatus); 281 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) { 282 cfgp = req->req_vbuf; 283 bcopy(&cfgp->Header, &page_req->header, 284 sizeof(page_req->header)); 285 } 286 mpt_free_request(mpt, req); 287 return (0); 288 } 289 290 static int 291 mpt_user_read_cfg_page(struct mpt_softc *mpt, struct mpt_cfg_page_req *page_req, 292 struct mpt_page_memory *mpt_page) 293 { 294 CONFIG_PAGE_HEADER *hdr; 295 request_t *req; 296 cfgparms_t params; 297 int error; 298 299 req = mpt_get_request(mpt, TRUE); 300 if (req == NULL) { 301 mpt_prt(mpt, "mpt_user_read_cfg_page: Get request failed!\n"); 302 return (ENOMEM); 303 } 304 305 hdr = mpt_page->vaddr; 306 params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 307 params.PageVersion = hdr->PageVersion; 308 params.PageLength = hdr->PageLength; 309 params.PageNumber = hdr->PageNumber; 310 params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK; 311 params.PageAddress = le32toh(page_req->page_address); 312 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 313 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 314 error = mpt_issue_cfg_req(mpt, req, ¶ms, mpt_page->paddr, 315 le32toh(page_req->len), TRUE, 5000); 316 if (error != 0) { 317 mpt_prt(mpt, "mpt_user_read_cfg_page timed out\n"); 318 return (ETIMEDOUT); 319 } 320 321 page_req->ioc_status = htole16(req->IOCStatus); 322 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) 323 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 324 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 325 mpt_free_request(mpt, req); 326 return (0); 327 } 328 329 static int 330 mpt_user_read_extcfg_header(struct mpt_softc *mpt, 331 struct mpt_ext_cfg_page_req *ext_page_req) 332 { 333 request_t *req; 334 cfgparms_t params; 335 MSG_CONFIG_REPLY *cfgp; 336 int error; 337 338 req = mpt_get_request(mpt, TRUE); 339 if (req == NULL) { 340 mpt_prt(mpt, "mpt_user_read_extcfg_header: Get request failed!\n"); 341 return (ENOMEM); 342 } 343 344 params.Action = MPI_CONFIG_ACTION_PAGE_HEADER; 345 params.PageVersion = ext_page_req->header.PageVersion; 346 params.PageLength = 0; 347 params.PageNumber = ext_page_req->header.PageNumber; 348 params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 349 params.PageAddress = le32toh(ext_page_req->page_address); 350 params.ExtPageType = ext_page_req->header.ExtPageType; 351 params.ExtPageLength = 0; 352 error = mpt_issue_cfg_req(mpt, req, ¶ms, /*addr*/0, /*len*/0, 353 TRUE, 5000); 354 if (error != 0) { 355 /* 356 * Leave the request. Without resetting the chip, it's 357 * still owned by it and we'll just get into trouble 358 * freeing it now. Mark it as abandoned so that if it 359 * shows up later it can be freed. 360 */ 361 mpt_prt(mpt, "mpt_user_read_extcfg_header timed out\n"); 362 return (ETIMEDOUT); 363 } 364 365 ext_page_req->ioc_status = htole16(req->IOCStatus); 366 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) { 367 cfgp = req->req_vbuf; 368 ext_page_req->header.PageVersion = cfgp->Header.PageVersion; 369 ext_page_req->header.PageNumber = cfgp->Header.PageNumber; 370 ext_page_req->header.PageType = cfgp->Header.PageType; 371 ext_page_req->header.ExtPageLength = cfgp->ExtPageLength; 372 ext_page_req->header.ExtPageType = cfgp->ExtPageType; 373 } 374 mpt_free_request(mpt, req); 375 return (0); 376 } 377 378 static int 379 mpt_user_read_extcfg_page(struct mpt_softc *mpt, 380 struct mpt_ext_cfg_page_req *ext_page_req, struct mpt_page_memory *mpt_page) 381 { 382 CONFIG_EXTENDED_PAGE_HEADER *hdr; 383 request_t *req; 384 cfgparms_t params; 385 int error; 386 387 req = mpt_get_request(mpt, TRUE); 388 if (req == NULL) { 389 mpt_prt(mpt, "mpt_user_read_extcfg_page: Get request failed!\n"); 390 return (ENOMEM); 391 } 392 393 hdr = mpt_page->vaddr; 394 params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 395 params.PageVersion = hdr->PageVersion; 396 params.PageLength = 0; 397 params.PageNumber = hdr->PageNumber; 398 params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 399 params.PageAddress = le32toh(ext_page_req->page_address); 400 params.ExtPageType = hdr->ExtPageType; 401 params.ExtPageLength = hdr->ExtPageLength; 402 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 403 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 404 error = mpt_issue_cfg_req(mpt, req, ¶ms, mpt_page->paddr, 405 le32toh(ext_page_req->len), TRUE, 5000); 406 if (error != 0) { 407 mpt_prt(mpt, "mpt_user_read_extcfg_page timed out\n"); 408 return (ETIMEDOUT); 409 } 410 411 ext_page_req->ioc_status = htole16(req->IOCStatus); 412 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) 413 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 414 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 415 mpt_free_request(mpt, req); 416 return (0); 417 } 418 419 static int 420 mpt_user_write_cfg_page(struct mpt_softc *mpt, 421 struct mpt_cfg_page_req *page_req, struct mpt_page_memory *mpt_page) 422 { 423 CONFIG_PAGE_HEADER *hdr; 424 request_t *req; 425 cfgparms_t params; 426 u_int hdr_attr; 427 int error; 428 429 hdr = mpt_page->vaddr; 430 hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK; 431 if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE && 432 hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) { 433 mpt_prt(mpt, "page type 0x%x not changeable\n", 434 hdr->PageType & MPI_CONFIG_PAGETYPE_MASK); 435 return (EINVAL); 436 } 437 438 #if 0 439 /* 440 * We shouldn't mask off other bits here. 441 */ 442 hdr->PageType &= ~MPI_CONFIG_PAGETYPE_MASK; 443 #endif 444 445 req = mpt_get_request(mpt, TRUE); 446 if (req == NULL) 447 return (ENOMEM); 448 449 bus_dmamap_sync(mpt_page->tag, mpt_page->map, BUS_DMASYNC_PREREAD | 450 BUS_DMASYNC_PREWRITE); 451 452 /* 453 * There isn't any point in restoring stripped out attributes 454 * if you then mask them going down to issue the request. 455 */ 456 457 params.Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; 458 params.PageVersion = hdr->PageVersion; 459 params.PageLength = hdr->PageLength; 460 params.PageNumber = hdr->PageNumber; 461 params.PageAddress = le32toh(page_req->page_address); 462 #if 0 463 /* Restore stripped out attributes */ 464 hdr->PageType |= hdr_attr; 465 params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK; 466 #else 467 params.PageType = hdr->PageType; 468 #endif 469 error = mpt_issue_cfg_req(mpt, req, ¶ms, mpt_page->paddr, 470 le32toh(page_req->len), TRUE, 5000); 471 if (error != 0) { 472 mpt_prt(mpt, "mpt_write_cfg_page timed out\n"); 473 return (ETIMEDOUT); 474 } 475 476 page_req->ioc_status = htole16(req->IOCStatus); 477 bus_dmamap_sync(mpt_page->tag, mpt_page->map, BUS_DMASYNC_POSTREAD | 478 BUS_DMASYNC_POSTWRITE); 479 mpt_free_request(mpt, req); 480 return (0); 481 } 482 483 static int 484 mpt_user_reply_handler(struct mpt_softc *mpt, request_t *req, 485 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 486 { 487 MSG_RAID_ACTION_REPLY *reply; 488 struct mpt_user_raid_action_result *res; 489 490 if (req == NULL) 491 return (TRUE); 492 493 if (reply_frame != NULL) { 494 reply = (MSG_RAID_ACTION_REPLY *)reply_frame; 495 req->IOCStatus = le16toh(reply->IOCStatus); 496 res = (struct mpt_user_raid_action_result *) 497 (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt)); 498 res->action_status = reply->ActionStatus; 499 res->volume_status = reply->VolumeStatus; 500 bcopy(&reply->ActionData, res->action_data, 501 sizeof(res->action_data)); 502 } 503 504 req->state &= ~REQ_STATE_QUEUED; 505 req->state |= REQ_STATE_DONE; 506 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 507 508 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 509 wakeup(req); 510 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 511 /* 512 * Whew- we can free this request (late completion) 513 */ 514 mpt_free_request(mpt, req); 515 } 516 517 return (TRUE); 518 } 519 520 /* 521 * We use the first part of the request buffer after the request frame 522 * to hold the action data and action status from the RAID reply. The 523 * rest of the request buffer is used to hold the buffer for the 524 * action SGE. 525 */ 526 static int 527 mpt_user_raid_action(struct mpt_softc *mpt, struct mpt_raid_action *raid_act, 528 struct mpt_page_memory *mpt_page) 529 { 530 request_t *req; 531 struct mpt_user_raid_action_result *res; 532 MSG_RAID_ACTION_REQUEST *rap; 533 SGE_SIMPLE32 *se; 534 int error; 535 536 req = mpt_get_request(mpt, TRUE); 537 if (req == NULL) 538 return (ENOMEM); 539 rap = req->req_vbuf; 540 memset(rap, 0, sizeof *rap); 541 rap->Action = raid_act->action; 542 rap->ActionDataWord = raid_act->action_data_word; 543 rap->Function = MPI_FUNCTION_RAID_ACTION; 544 rap->VolumeID = raid_act->volume_id; 545 rap->VolumeBus = raid_act->volume_bus; 546 rap->PhysDiskNum = raid_act->phys_disk_num; 547 se = (SGE_SIMPLE32 *)&rap->ActionDataSGE; 548 if (mpt_page->vaddr != NULL && raid_act->len != 0) { 549 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 550 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 551 se->Address = htole32(mpt_page->paddr); 552 MPI_pSGE_SET_LENGTH(se, le32toh(raid_act->len)); 553 MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT | 554 MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 555 MPI_SGE_FLAGS_END_OF_LIST | 556 (raid_act->write ? MPI_SGE_FLAGS_HOST_TO_IOC : 557 MPI_SGE_FLAGS_IOC_TO_HOST))); 558 } 559 se->FlagsLength = htole32(se->FlagsLength); 560 rap->MsgContext = htole32(req->index | user_handler_id); 561 562 mpt_check_doorbell(mpt); 563 mpt_send_cmd(mpt, req); 564 565 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, TRUE, 566 2000); 567 if (error != 0) { 568 /* 569 * Leave request so it can be cleaned up later. 570 */ 571 mpt_prt(mpt, "mpt_user_raid_action timed out\n"); 572 return (error); 573 } 574 575 raid_act->ioc_status = htole16(req->IOCStatus); 576 if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 577 mpt_free_request(mpt, req); 578 return (0); 579 } 580 581 res = (struct mpt_user_raid_action_result *) 582 (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt)); 583 raid_act->volume_status = res->volume_status; 584 raid_act->action_status = res->action_status; 585 bcopy(res->action_data, raid_act->action_data, 586 sizeof(res->action_data)); 587 if (mpt_page->vaddr != NULL) 588 bus_dmamap_sync(mpt_page->tag, mpt_page->map, 589 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 590 mpt_free_request(mpt, req); 591 return (0); 592 } 593 594 static int 595 mpt_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 596 { 597 struct mpt_softc *mpt; 598 struct mpt_cfg_page_req *page_req; 599 struct mpt_ext_cfg_page_req *ext_page_req; 600 struct mpt_raid_action *raid_act; 601 struct mpt_page_memory mpt_page; 602 #ifdef __amd64__ 603 struct mpt_cfg_page_req32 *page_req32; 604 struct mpt_cfg_page_req page_req_swab; 605 struct mpt_ext_cfg_page_req32 *ext_page_req32; 606 struct mpt_ext_cfg_page_req ext_page_req_swab; 607 struct mpt_raid_action32 *raid_act32; 608 struct mpt_raid_action raid_act_swab; 609 #endif 610 int error; 611 612 mpt = dev->si_drv1; 613 page_req = (void *)arg; 614 ext_page_req = (void *)arg; 615 raid_act = (void *)arg; 616 mpt_page.vaddr = NULL; 617 618 #ifdef __amd64__ 619 /* Convert 32-bit structs to native ones. */ 620 page_req32 = (void *)arg; 621 ext_page_req32 = (void *)arg; 622 raid_act32 = (void *)arg; 623 switch (cmd) { 624 case MPTIO_READ_CFG_HEADER32: 625 case MPTIO_READ_CFG_PAGE32: 626 case MPTIO_WRITE_CFG_PAGE32: 627 page_req = &page_req_swab; 628 page_req->header = page_req32->header; 629 page_req->page_address = page_req32->page_address; 630 page_req->buf = PTRIN(page_req32->buf); 631 page_req->len = page_req32->len; 632 page_req->ioc_status = page_req32->ioc_status; 633 break; 634 case MPTIO_READ_EXT_CFG_HEADER32: 635 case MPTIO_READ_EXT_CFG_PAGE32: 636 ext_page_req = &ext_page_req_swab; 637 ext_page_req->header = ext_page_req32->header; 638 ext_page_req->page_address = ext_page_req32->page_address; 639 ext_page_req->buf = PTRIN(ext_page_req32->buf); 640 ext_page_req->len = ext_page_req32->len; 641 ext_page_req->ioc_status = ext_page_req32->ioc_status; 642 break; 643 case MPTIO_RAID_ACTION32: 644 raid_act = &raid_act_swab; 645 raid_act->action = raid_act32->action; 646 raid_act->volume_bus = raid_act32->volume_bus; 647 raid_act->volume_id = raid_act32->volume_id; 648 raid_act->phys_disk_num = raid_act32->phys_disk_num; 649 raid_act->action_data_word = raid_act32->action_data_word; 650 raid_act->buf = PTRIN(raid_act32->buf); 651 raid_act->len = raid_act32->len; 652 raid_act->volume_status = raid_act32->volume_status; 653 bcopy(raid_act32->action_data, raid_act->action_data, 654 sizeof(raid_act->action_data)); 655 raid_act->action_status = raid_act32->action_status; 656 raid_act->ioc_status = raid_act32->ioc_status; 657 raid_act->write = raid_act32->write; 658 break; 659 } 660 #endif 661 662 switch (cmd) { 663 #ifdef __amd64__ 664 case MPTIO_READ_CFG_HEADER32: 665 #endif 666 case MPTIO_READ_CFG_HEADER: 667 MPT_LOCK(mpt); 668 error = mpt_user_read_cfg_header(mpt, page_req); 669 MPT_UNLOCK(mpt); 670 break; 671 #ifdef __amd64__ 672 case MPTIO_READ_CFG_PAGE32: 673 #endif 674 case MPTIO_READ_CFG_PAGE: 675 if (page_req->len < (int)sizeof(CONFIG_PAGE_HEADER)) { 676 error = EINVAL; 677 break; 678 } 679 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len); 680 if (error) 681 break; 682 error = copyin(page_req->buf, mpt_page.vaddr, 683 sizeof(CONFIG_PAGE_HEADER)); 684 if (error) 685 break; 686 MPT_LOCK(mpt); 687 error = mpt_user_read_cfg_page(mpt, page_req, &mpt_page); 688 MPT_UNLOCK(mpt); 689 if (error) 690 break; 691 error = copyout(mpt_page.vaddr, page_req->buf, page_req->len); 692 break; 693 #ifdef __amd64__ 694 case MPTIO_READ_EXT_CFG_HEADER32: 695 #endif 696 case MPTIO_READ_EXT_CFG_HEADER: 697 MPT_LOCK(mpt); 698 error = mpt_user_read_extcfg_header(mpt, ext_page_req); 699 MPT_UNLOCK(mpt); 700 break; 701 #ifdef __amd64__ 702 case MPTIO_READ_EXT_CFG_PAGE32: 703 #endif 704 case MPTIO_READ_EXT_CFG_PAGE: 705 if (ext_page_req->len < 706 (int)sizeof(CONFIG_EXTENDED_PAGE_HEADER)) { 707 error = EINVAL; 708 break; 709 } 710 error = mpt_alloc_buffer(mpt, &mpt_page, ext_page_req->len); 711 if (error) 712 break; 713 error = copyin(ext_page_req->buf, mpt_page.vaddr, 714 sizeof(CONFIG_EXTENDED_PAGE_HEADER)); 715 if (error) 716 break; 717 MPT_LOCK(mpt); 718 error = mpt_user_read_extcfg_page(mpt, ext_page_req, &mpt_page); 719 MPT_UNLOCK(mpt); 720 if (error) 721 break; 722 error = copyout(mpt_page.vaddr, ext_page_req->buf, 723 ext_page_req->len); 724 break; 725 #ifdef __amd64__ 726 case MPTIO_WRITE_CFG_PAGE32: 727 #endif 728 case MPTIO_WRITE_CFG_PAGE: 729 if (page_req->len < (int)sizeof(CONFIG_PAGE_HEADER)) { 730 error = EINVAL; 731 break; 732 } 733 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len); 734 if (error) 735 break; 736 error = copyin(page_req->buf, mpt_page.vaddr, page_req->len); 737 if (error) 738 break; 739 MPT_LOCK(mpt); 740 error = mpt_user_write_cfg_page(mpt, page_req, &mpt_page); 741 MPT_UNLOCK(mpt); 742 break; 743 #ifdef __amd64__ 744 case MPTIO_RAID_ACTION32: 745 #endif 746 case MPTIO_RAID_ACTION: 747 if (raid_act->buf != NULL) { 748 error = mpt_alloc_buffer(mpt, &mpt_page, raid_act->len); 749 if (error) 750 break; 751 error = copyin(raid_act->buf, mpt_page.vaddr, 752 raid_act->len); 753 if (error) 754 break; 755 } 756 MPT_LOCK(mpt); 757 error = mpt_user_raid_action(mpt, raid_act, &mpt_page); 758 MPT_UNLOCK(mpt); 759 if (error) 760 break; 761 if (raid_act->buf != NULL) 762 error = copyout(mpt_page.vaddr, raid_act->buf, 763 raid_act->len); 764 break; 765 default: 766 error = ENOIOCTL; 767 break; 768 } 769 770 mpt_free_buffer(&mpt_page); 771 772 if (error) 773 return (error); 774 775 #ifdef __amd64__ 776 /* Convert native structs to 32-bit ones. */ 777 switch (cmd) { 778 case MPTIO_READ_CFG_HEADER32: 779 case MPTIO_READ_CFG_PAGE32: 780 case MPTIO_WRITE_CFG_PAGE32: 781 page_req32->header = page_req->header; 782 page_req32->page_address = page_req->page_address; 783 page_req32->buf = PTROUT(page_req->buf); 784 page_req32->len = page_req->len; 785 page_req32->ioc_status = page_req->ioc_status; 786 break; 787 case MPTIO_READ_EXT_CFG_HEADER32: 788 case MPTIO_READ_EXT_CFG_PAGE32: 789 ext_page_req32->header = ext_page_req->header; 790 ext_page_req32->page_address = ext_page_req->page_address; 791 ext_page_req32->buf = PTROUT(ext_page_req->buf); 792 ext_page_req32->len = ext_page_req->len; 793 ext_page_req32->ioc_status = ext_page_req->ioc_status; 794 break; 795 case MPTIO_RAID_ACTION32: 796 raid_act32->action = raid_act->action; 797 raid_act32->volume_bus = raid_act->volume_bus; 798 raid_act32->volume_id = raid_act->volume_id; 799 raid_act32->phys_disk_num = raid_act->phys_disk_num; 800 raid_act32->action_data_word = raid_act->action_data_word; 801 raid_act32->buf = PTROUT(raid_act->buf); 802 raid_act32->len = raid_act->len; 803 raid_act32->volume_status = raid_act->volume_status; 804 bcopy(raid_act->action_data, raid_act32->action_data, 805 sizeof(raid_act->action_data)); 806 raid_act32->action_status = raid_act->action_status; 807 raid_act32->ioc_status = raid_act->ioc_status; 808 raid_act32->write = raid_act->write; 809 break; 810 } 811 #endif 812 813 return (0); 814 }
Cache object: 77a30193149bce61033b4d6c99346d05
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