sys/dev/mpt/mpt_user.c

   1 /*-
   2  * Copyright (c) 2008 Yahoo!, Inc.
   3  * All rights reserved.
   4  * Written by: John Baldwin <jhb@FreeBSD.org>
   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  * 3. Neither the name of the author nor the names of any co-contributors
  15  *    may be used to endorse or promote products derived from this software
  16  *    without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * LSI MPT-Fusion Host Adapter FreeBSD userland interface
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  36 #include <sys/param.h>
  37 #include <sys/conf.h>
  38 #include <sys/errno.h>
  39 #include <sys/ioccom.h>
  40 #include <sys/mpt_ioctl.h>
  41
  42 #include <dev/mpt/mpt.h>
  43
  44 struct mpt_user_raid_action_result {
  45         uint32_t        volume_status;
  46         uint32_t        action_data[4];
  47         uint16_t        action_status;
  48 };
  49
  50 struct mpt_page_memory {
  51         bus_dma_tag_t   tag;
  52         bus_dmamap_t    map;
  53         bus_addr_t      paddr;
  54         void            *vaddr;
  55 };
  56
  57 static mpt_probe_handler_t      mpt_user_probe;
  58 static mpt_attach_handler_t     mpt_user_attach;
  59 static mpt_enable_handler_t     mpt_user_enable;
  60 static mpt_ready_handler_t      mpt_user_ready;
  61 static mpt_event_handler_t      mpt_user_event;
  62 static mpt_reset_handler_t      mpt_user_reset;
  63 static mpt_detach_handler_t     mpt_user_detach;
  64
  65 static struct mpt_personality mpt_user_personality = {
  66         .name           = "mpt_user",
  67         .probe          = mpt_user_probe,
  68         .attach         = mpt_user_attach,
  69         .enable         = mpt_user_enable,
  70         .ready          = mpt_user_ready,
  71         .event          = mpt_user_event,
  72         .reset          = mpt_user_reset,
  73         .detach         = mpt_user_detach,
  74 };
  75
  76 DECLARE_MPT_PERSONALITY(mpt_user, SI_ORDER_SECOND);
  77
  78 static mpt_reply_handler_t      mpt_user_reply_handler;
  79
  80 static d_open_t         mpt_open;
  81 static d_close_t        mpt_close;
  82 static d_ioctl_t        mpt_ioctl;
  83
  84 static struct cdevsw mpt_cdevsw = {
  85         .d_version =    D_VERSION,
  86         .d_flags =      0,
  87         .d_open =       mpt_open,
  88         .d_close =      mpt_close,
  89         .d_ioctl =      mpt_ioctl,
  90         .d_name =       "mpt",
  91 };
  92
  93 static MALLOC_DEFINE(M_MPTUSER, "mpt_user", "Buffers for mpt(4) ioctls");
  94
  95 static uint32_t user_handler_id = MPT_HANDLER_ID_NONE;
  96
  97 static int
  98 mpt_user_probe(struct mpt_softc *mpt)
  99 {
 100
 101         /* Attach to every controller. */
 102         return (0);
 103 }
 104
 105 static int
 106 mpt_user_attach(struct mpt_softc *mpt)
 107 {
 108         mpt_handler_t handler;
 109         int error, unit;
 110
 111         MPT_LOCK(mpt);
 112         handler.reply_handler = mpt_user_reply_handler;
 113         error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
 114                                      &user_handler_id);
 115         MPT_UNLOCK(mpt);
 116         if (error != 0) {
 117                 mpt_prt(mpt, "Unable to register user handler!\n");
 118                 return (error);
 119         }
 120         unit = device_get_unit(mpt->dev);
 121         mpt->cdev = make_dev(&mpt_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640,
 122             "mpt%d", unit);
 123         if (mpt->cdev == NULL) {
 124                 MPT_LOCK(mpt);
 125                 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
 126                     user_handler_id);
 127                 MPT_UNLOCK(mpt);
 128                 return (ENOMEM);
 129         }
 130         mpt->cdev->si_drv1 = mpt;
 131         return (0);
 132 }
 133
 134 static int
 135 mpt_user_enable(struct mpt_softc *mpt)
 136 {
 137
 138         return (0);
 139 }
 140
 141 static void
 142 mpt_user_ready(struct mpt_softc *mpt)
 143 {
 144
 145 }
 146
 147 static int
 148 mpt_user_event(struct mpt_softc *mpt, request_t *req,
 149     MSG_EVENT_NOTIFY_REPLY *msg)
 150 {
 151
 152         /* Someday we may want to let a user daemon listen for events? */
 153         return (0);
 154 }
 155
 156 static void
 157 mpt_user_reset(struct mpt_softc *mpt, int type)
 158 {
 159
 160 }
 161
 162 static void
 163 mpt_user_detach(struct mpt_softc *mpt)
 164 {
 165         mpt_handler_t handler;
 166
 167         /* XXX: do a purge of pending requests? */
 168         destroy_dev(mpt->cdev);
 169
 170         MPT_LOCK(mpt);
 171         handler.reply_handler = mpt_user_reply_handler;
 172         mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
 173             user_handler_id);
 174         MPT_UNLOCK(mpt);
 175 }
 176
 177 static int
 178 mpt_open(struct cdev *dev, int flags, int fmt, struct thread *td)
 179 {
 180
 181         return (0);
 182 }
 183
 184 static int
 185 mpt_close(struct cdev *dev, int flags, int fmt, struct thread *td)
 186 {
 187
 188         return (0);
 189 }
 190
 191 static int
 192 mpt_alloc_buffer(struct mpt_softc *mpt, struct mpt_page_memory *page_mem,
 193     size_t len)
 194 {
 195         struct mpt_map_info mi;
 196         int error;
 197
 198         page_mem->vaddr = NULL;
 199
 200         /* Limit requests to 16M. */
 201         if (len > 16 * 1024 * 1024)
 202                 return (ENOSPC);
 203         error = mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 0,
 204             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
 205             len, 1, len, 0, &page_mem->tag);
 206         if (error)
 207                 return (error);
 208         error = bus_dmamem_alloc(page_mem->tag, &page_mem->vaddr,
 209             BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &page_mem->map);
 210         if (error) {
 211                 bus_dma_tag_destroy(page_mem->tag);
 212                 return (error);
 213         }
 214         mi.mpt = mpt;
 215         error = bus_dmamap_load(page_mem->tag, page_mem->map, page_mem->vaddr,
 216             len, mpt_map_rquest, &mi, BUS_DMA_NOWAIT);
 217         if (error == 0)
 218                 error = mi.error;
 219         if (error) {
 220                 bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map);
 221                 bus_dma_tag_destroy(page_mem->tag);
 222                 page_mem->vaddr = NULL;
 223                 return (error);
 224         }
 225         page_mem->paddr = mi.phys;
 226         return (0);
 227 }
 228
 229 static void
 230 mpt_free_buffer(struct mpt_page_memory *page_mem)
 231 {
 232
 233         if (page_mem->vaddr == NULL)
 234                 return;
 235         bus_dmamap_unload(page_mem->tag, page_mem->map);
 236         bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map);
 237         bus_dma_tag_destroy(page_mem->tag);
 238         page_mem->vaddr = NULL;
 239 }
 240
 241 static int
 242 mpt_user_read_cfg_header(struct mpt_softc *mpt,
 243     struct mpt_cfg_page_req *page_req)
 244 {
 245         request_t  *req;
 246         cfgparms_t params;
 247         MSG_CONFIG *cfgp;
 248         int         error;
 249
 250         req = mpt_get_request(mpt, TRUE);
 251         if (req == NULL) {
 252                 mpt_prt(mpt, "mpt_user_read_cfg_header: Get request failed!\n");
 253                 return (ENOMEM);
 254         }
 255
 256         params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
 257         params.PageVersion = 0;
 258         params.PageLength = 0;
 259         params.PageNumber = page_req->header.PageNumber;
 260         params.PageType = page_req->header.PageType;
 261         params.PageAddress = le32toh(page_req->page_address);
 262         error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
 263                                   TRUE, 5000);
 264         if (error != 0) {
 265                 /*
 266                  * Leave the request. Without resetting the chip, it's
 267                  * still owned by it and we'll just get into trouble
 268                  * freeing it now. Mark it as abandoned so that if it
 269                  * shows up later it can be freed.
 270                  */
 271                 mpt_prt(mpt, "read_cfg_header timed out\n");
 272                 return (ETIMEDOUT);
 273         }
 274
 275         page_req->ioc_status = htole16(req->IOCStatus);
 276         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) {
 277                 cfgp = req->req_vbuf;
 278                 bcopy(&cfgp->Header, &page_req->header,
 279                     sizeof(page_req->header));
 280         }
 281         mpt_free_request(mpt, req);
 282         return (0);
 283 }
 284
 285 static int
 286 mpt_user_read_cfg_page(struct mpt_softc *mpt, struct mpt_cfg_page_req *page_req,
 287     struct mpt_page_memory *mpt_page)
 288 {
 289         CONFIG_PAGE_HEADER *hdr;
 290         request_t    *req;
 291         cfgparms_t    params;
 292         int           error;
 293
 294         req = mpt_get_request(mpt, TRUE);
 295         if (req == NULL) {
 296                 mpt_prt(mpt, "mpt_user_read_cfg_page: Get request failed!\n");
 297                 return (ENOMEM);
 298         }
 299
 300         hdr = mpt_page->vaddr;
 301         params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 302         params.PageVersion = hdr->PageVersion;
 303         params.PageLength = hdr->PageLength;
 304         params.PageNumber = hdr->PageNumber;
 305         params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
 306         params.PageAddress = le32toh(page_req->page_address);
 307         bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 308             BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
 309         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 310             le32toh(page_req->len), TRUE, 5000);
 311         if (error != 0) {
 312                 mpt_prt(mpt, "mpt_user_read_cfg_page timed out\n");
 313                 return (ETIMEDOUT);
 314         }
 315
 316         page_req->ioc_status = htole16(req->IOCStatus);
 317         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS)
 318                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 319                     BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
 320         mpt_free_request(mpt, req);
 321         return (0);
 322 }
 323
 324 static int
 325 mpt_user_read_extcfg_header(struct mpt_softc *mpt,
 326     struct mpt_ext_cfg_page_req *ext_page_req)
 327 {
 328         request_t  *req;
 329         cfgparms_t params;
 330         MSG_CONFIG_REPLY *cfgp;
 331         int         error;
 332
 333         req = mpt_get_request(mpt, TRUE);
 334         if (req == NULL) {
 335                 mpt_prt(mpt, "mpt_user_read_extcfg_header: Get request failed!\n");
 336                 return (ENOMEM);
 337         }
 338
 339         params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
 340         params.PageVersion = ext_page_req->header.PageVersion;
 341         params.PageLength = 0;
 342         params.PageNumber = ext_page_req->header.PageNumber;
 343         params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 344         params.PageAddress = le32toh(ext_page_req->page_address);
 345         params.ExtPageType = ext_page_req->header.ExtPageType;
 346         params.ExtPageLength = 0;
 347         error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
 348                                   TRUE, 5000);
 349         if (error != 0) {
 350                 /*
 351                  * Leave the request. Without resetting the chip, it's
 352                  * still owned by it and we'll just get into trouble
 353                  * freeing it now. Mark it as abandoned so that if it
 354                  * shows up later it can be freed.
 355                  */
 356                 mpt_prt(mpt, "mpt_user_read_extcfg_header timed out\n");
 357                 return (ETIMEDOUT);
 358         }
 359
 360         ext_page_req->ioc_status = htole16(req->IOCStatus);
 361         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) {
 362                 cfgp = req->req_vbuf;
 363                 ext_page_req->header.PageVersion = cfgp->Header.PageVersion;
 364                 ext_page_req->header.PageNumber = cfgp->Header.PageNumber;
 365                 ext_page_req->header.PageType = cfgp->Header.PageType;
 366                 ext_page_req->header.ExtPageLength = cfgp->ExtPageLength;
 367                 ext_page_req->header.ExtPageType = cfgp->ExtPageType;
 368         }
 369         mpt_free_request(mpt, req);
 370         return (0);
 371 }
 372
 373 static int
 374 mpt_user_read_extcfg_page(struct mpt_softc *mpt,
 375     struct mpt_ext_cfg_page_req *ext_page_req, struct mpt_page_memory *mpt_page)
 376 {
 377         CONFIG_EXTENDED_PAGE_HEADER *hdr;
 378         request_t    *req;
 379         cfgparms_t    params;
 380         int           error;
 381
 382         req = mpt_get_request(mpt, TRUE);
 383         if (req == NULL) {
 384                 mpt_prt(mpt, "mpt_user_read_extcfg_page: Get request failed!\n");
 385                 return (ENOMEM);
 386         }
 387
 388         hdr = mpt_page->vaddr;
 389         params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 390         params.PageVersion = hdr->PageVersion;
 391         params.PageLength = 0;
 392         params.PageNumber = hdr->PageNumber;
 393         params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 394         params.PageAddress = le32toh(ext_page_req->page_address);
 395         params.ExtPageType = hdr->ExtPageType;
 396         params.ExtPageLength = hdr->ExtPageLength;
 397         bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 398             BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
 399         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 400             le32toh(ext_page_req->len), TRUE, 5000);
 401         if (error != 0) {
 402                 mpt_prt(mpt, "mpt_user_read_extcfg_page timed out\n");
 403                 return (ETIMEDOUT);
 404         }
 405
 406         ext_page_req->ioc_status = htole16(req->IOCStatus);
 407         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS)
 408                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 409                     BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
 410         mpt_free_request(mpt, req);
 411         return (0);
 412 }
 413
 414 static int
 415 mpt_user_write_cfg_page(struct mpt_softc *mpt,
 416     struct mpt_cfg_page_req *page_req, struct mpt_page_memory *mpt_page)
 417 {
 418         CONFIG_PAGE_HEADER *hdr;
 419         request_t    *req;
 420         cfgparms_t    params;
 421         u_int         hdr_attr;
 422         int           error;
 423
 424         hdr = mpt_page->vaddr;
 425         hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK;
 426         if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE &&
 427             hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) {
 428                 mpt_prt(mpt, "page type 0x%x not changeable\n",
 429                         hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
 430                 return (EINVAL);
 431         }
 432
 433 #if     0
 434         /*
 435          * We shouldn't mask off other bits here.
 436          */
 437         hdr->PageType &= ~MPI_CONFIG_PAGETYPE_MASK;
 438 #endif
 439
 440         req = mpt_get_request(mpt, TRUE);
 441         if (req == NULL)
 442                 return (ENOMEM);
 443
 444         bus_dmamap_sync(mpt_page->tag, mpt_page->map, BUS_DMASYNC_PREREAD |
 445             BUS_DMASYNC_PREWRITE);
 446
 447         /*
 448          * There isn't any point in restoring stripped out attributes
 449          * if you then mask them going down to issue the request.
 450          */
 451
 452         params.Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
 453         params.PageVersion = hdr->PageVersion;
 454         params.PageLength = hdr->PageLength;
 455         params.PageNumber = hdr->PageNumber;
 456         params.PageAddress = le32toh(page_req->page_address);
 457 #if     0
 458         /* Restore stripped out attributes */
 459         hdr->PageType |= hdr_attr;
 460         params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
 461 #else
 462         params.PageType = hdr->PageType;
 463 #endif
 464         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 465             le32toh(page_req->len), TRUE, 5000);
 466         if (error != 0) {
 467                 mpt_prt(mpt, "mpt_write_cfg_page timed out\n");
 468                 return (ETIMEDOUT);
 469         }
 470
 471         page_req->ioc_status = htole16(req->IOCStatus);
 472         bus_dmamap_sync(mpt_page->tag, mpt_page->map, BUS_DMASYNC_POSTREAD |
 473             BUS_DMASYNC_POSTWRITE);
 474         mpt_free_request(mpt, req);
 475         return (0);
 476 }
 477
 478 static int
 479 mpt_user_reply_handler(struct mpt_softc *mpt, request_t *req,
 480     uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
 481 {
 482         MSG_RAID_ACTION_REPLY *reply;
 483         struct mpt_user_raid_action_result *res;
 484
 485         if (req == NULL)
 486                 return (TRUE);
 487
 488         if (reply_frame != NULL) {
 489                 reply = (MSG_RAID_ACTION_REPLY *)reply_frame;
 490                 req->IOCStatus = le16toh(reply->IOCStatus);
 491                 res = (struct mpt_user_raid_action_result *)
 492                     (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt));
 493                 res->action_status = reply->ActionStatus;
 494                 res->volume_status = reply->VolumeStatus;
 495                 bcopy(&reply->ActionData, res->action_data,
 496                     sizeof(res->action_data));
 497         }
 498
 499         req->state &= ~REQ_STATE_QUEUED;
 500         req->state |= REQ_STATE_DONE;
 501         TAILQ_REMOVE(&mpt->request_pending_list, req, links);
 502
 503         if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) {
 504                 wakeup(req);
 505         } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) {
 506                 /*
 507                  * Whew- we can free this request (late completion)
 508                  */
 509                 mpt_free_request(mpt, req);
 510         }
 511
 512         return (TRUE);
 513 }
 514
 515 /*
 516  * We use the first part of the request buffer after the request frame
 517  * to hold the action data and action status from the RAID reply.  The
 518  * rest of the request buffer is used to hold the buffer for the
 519  * action SGE.
 520  */
 521 static int
 522 mpt_user_raid_action(struct mpt_softc *mpt, struct mpt_raid_action *raid_act,
 523         struct mpt_page_memory *mpt_page)
 524 {
 525         request_t *req;
 526         struct mpt_user_raid_action_result *res;
 527         MSG_RAID_ACTION_REQUEST *rap;
 528         SGE_SIMPLE32 *se;
 529         int error;
 530
 531         req = mpt_get_request(mpt, TRUE);
 532         if (req == NULL)
 533                 return (ENOMEM);
 534         rap = req->req_vbuf;
 535         memset(rap, 0, sizeof *rap);
 536         rap->Action = raid_act->action;
 537         rap->ActionDataWord = raid_act->action_data_word;
 538         rap->Function = MPI_FUNCTION_RAID_ACTION;
 539         rap->VolumeID = raid_act->volume_id;
 540         rap->VolumeBus = raid_act->volume_bus;
 541         rap->PhysDiskNum = raid_act->phys_disk_num;
 542         se = (SGE_SIMPLE32 *)&rap->ActionDataSGE;
 543         if (mpt_page->vaddr != NULL && raid_act->len != 0) {
 544                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 545                     BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
 546                 se->Address = htole32(mpt_page->paddr);
 547                 MPI_pSGE_SET_LENGTH(se, le32toh(raid_act->len));
 548                 MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
 549                     MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
 550                     MPI_SGE_FLAGS_END_OF_LIST |
 551                     (raid_act->write ? MPI_SGE_FLAGS_HOST_TO_IOC :
 552                     MPI_SGE_FLAGS_IOC_TO_HOST)));
 553         }
 554         se->FlagsLength = htole32(se->FlagsLength);
 555         rap->MsgContext = htole32(req->index | user_handler_id);
 556
 557         mpt_check_doorbell(mpt);
 558         mpt_send_cmd(mpt, req);
 559
 560         error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, TRUE,
 561             2000);
 562         if (error != 0) {
 563                 /*
 564                  * Leave request so it can be cleaned up later.
 565                  */
 566                 mpt_prt(mpt, "mpt_user_raid_action timed out\n");
 567                 return (error);
 568         }
 569
 570         raid_act->ioc_status = htole16(req->IOCStatus);
 571         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
 572                 mpt_free_request(mpt, req);
 573                 return (0);
 574         }
 575
 576         res = (struct mpt_user_raid_action_result *)
 577             (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt));
 578         raid_act->volume_status = res->volume_status;
 579         raid_act->action_status = res->action_status;
 580         bcopy(res->action_data, raid_act->action_data,
 581             sizeof(res->action_data));
 582         if (mpt_page->vaddr != NULL)
 583                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 584                     BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
 585         mpt_free_request(mpt, req);
 586         return (0);
 587 }
 588
 589 #ifdef __amd64__
 590 #define PTRIN(p)                ((void *)(uintptr_t)(p))
 591 #define PTROUT(v)               ((u_int32_t)(uintptr_t)(v))
 592 #endif
 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                 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len);
 676                 if (error)
 677                         break;
 678                 error = copyin(page_req->buf, mpt_page.vaddr,
 679                     sizeof(CONFIG_PAGE_HEADER));
 680                 if (error)
 681                         break;
 682                 MPT_LOCK(mpt);
 683                 error = mpt_user_read_cfg_page(mpt, page_req, &mpt_page);
 684                 MPT_UNLOCK(mpt);
 685                 if (error)
 686                         break;
 687                 error = copyout(mpt_page.vaddr, page_req->buf, page_req->len);
 688                 break;
 689 #ifdef __amd64__
 690         case MPTIO_READ_EXT_CFG_HEADER32:
 691 #endif
 692         case MPTIO_READ_EXT_CFG_HEADER:
 693                 MPT_LOCK(mpt);
 694                 error = mpt_user_read_extcfg_header(mpt, ext_page_req);
 695                 MPT_UNLOCK(mpt);
 696                 break;
 697 #ifdef __amd64__
 698         case MPTIO_READ_EXT_CFG_PAGE32:
 699 #endif
 700         case MPTIO_READ_EXT_CFG_PAGE:
 701                 error = mpt_alloc_buffer(mpt, &mpt_page, ext_page_req->len);
 702                 if (error)
 703                         break;
 704                 error = copyin(ext_page_req->buf, mpt_page.vaddr,
 705                     sizeof(CONFIG_EXTENDED_PAGE_HEADER));
 706                 if (error)
 707                         break;
 708                 MPT_LOCK(mpt);
 709                 error = mpt_user_read_extcfg_page(mpt, ext_page_req, &mpt_page);
 710                 MPT_UNLOCK(mpt);
 711                 if (error)
 712                         break;
 713                 error = copyout(mpt_page.vaddr, ext_page_req->buf,
 714                     ext_page_req->len);
 715                 break;
 716 #ifdef __amd64__
 717         case MPTIO_WRITE_CFG_PAGE32:
 718 #endif
 719         case MPTIO_WRITE_CFG_PAGE:
 720                 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len);
 721                 if (error)
 722                         break;
 723                 error = copyin(page_req->buf, mpt_page.vaddr, page_req->len);
 724                 if (error)
 725                         break;
 726                 MPT_LOCK(mpt);
 727                 error = mpt_user_write_cfg_page(mpt, page_req, &mpt_page);
 728                 MPT_UNLOCK(mpt);
 729                 break;
 730 #ifdef __amd64__
 731         case MPTIO_RAID_ACTION32:
 732 #endif
 733         case MPTIO_RAID_ACTION:
 734                 if (raid_act->buf != NULL) {
 735                         error = mpt_alloc_buffer(mpt, &mpt_page, raid_act->len);
 736                         if (error)
 737                                 break;
 738                         error = copyin(raid_act->buf, mpt_page.vaddr,
 739                             raid_act->len);
 740                         if (error)
 741                                 break;
 742                 }
 743                 MPT_LOCK(mpt);
 744                 error = mpt_user_raid_action(mpt, raid_act, &mpt_page);
 745                 MPT_UNLOCK(mpt);
 746                 if (error)
 747                         break;
 748                 if (raid_act->buf != NULL)
 749                         error = copyout(mpt_page.vaddr, raid_act->buf,
 750                             raid_act->len);
 751                 break;
 752         default:
 753                 error = ENOIOCTL;
 754                 break;
 755         }
 756
 757         mpt_free_buffer(&mpt_page);
 758
 759         if (error)
 760                 return (error);
 761
 762 #ifdef __amd64__
 763         /* Convert native structs to 32-bit ones. */
 764         switch (cmd) {
 765         case MPTIO_READ_CFG_HEADER32:
 766         case MPTIO_READ_CFG_PAGE32:
 767         case MPTIO_WRITE_CFG_PAGE32:
 768                 page_req32->header = page_req->header;
 769                 page_req32->page_address = page_req->page_address;
 770                 page_req32->buf = PTROUT(page_req->buf);
 771                 page_req32->len = page_req->len;
 772                 page_req32->ioc_status = page_req->ioc_status;
 773                 break;
 774         case MPTIO_READ_EXT_CFG_HEADER32:
 775         case MPTIO_READ_EXT_CFG_PAGE32:
 776                 ext_page_req32->header = ext_page_req->header;
 777                 ext_page_req32->page_address = ext_page_req->page_address;
 778                 ext_page_req32->buf = PTROUT(ext_page_req->buf);
 779                 ext_page_req32->len = ext_page_req->len;
 780                 ext_page_req32->ioc_status = ext_page_req->ioc_status;
 781                 break;
 782         case MPTIO_RAID_ACTION32:
 783                 raid_act32->action = raid_act->action;
 784                 raid_act32->volume_bus = raid_act->volume_bus;
 785                 raid_act32->volume_id = raid_act->volume_id;
 786                 raid_act32->phys_disk_num = raid_act->phys_disk_num;
 787                 raid_act32->action_data_word = raid_act->action_data_word;
 788                 raid_act32->buf = PTROUT(raid_act->buf);
 789                 raid_act32->len = raid_act->len;
 790                 raid_act32->volume_status = raid_act->volume_status;
 791                 bcopy(raid_act->action_data, raid_act32->action_data,
 792                     sizeof(raid_act->action_data));
 793                 raid_act32->action_status = raid_act->action_status;
 794                 raid_act32->ioc_status = raid_act->ioc_status;
 795                 raid_act32->write = raid_act->write;
 796                 break;
 797         }
 798 #endif
 799
 800         return (0);
 801 }