sys/dev/disk/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  * $FreeBSD: src/sys/dev/mpt/mpt_user.c,v 1.4 2009/05/20 17:29:21 imp Exp $
  32  */
  33
  34 #include <sys/cdefs.h>
  35
  36 #include <sys/param.h>
  37 #include <sys/conf.h>
  38 #include <sys/errno.h>
  39 #include <sys/ioccom.h>
  40 #include <sys/device.h>
  41 #include <sys/mpt_ioctl.h>
  42
  43 #include <dev/disk/mpt/mpt.h>
  44
  45 struct mpt_user_raid_action_result {
  46         uint32_t        volume_status;
  47         uint32_t        action_data[4];
  48         uint16_t        action_status;
  49 };
  50
  51 struct mpt_page_memory {
  52         bus_dma_tag_t   tag;
  53         bus_dmamap_t    map;
  54         bus_addr_t      paddr;
  55         void            *vaddr;
  56 };
  57
  58 static mpt_probe_handler_t      mpt_user_probe;
  59 static mpt_attach_handler_t     mpt_user_attach;
  60 static mpt_enable_handler_t     mpt_user_enable;
  61 static mpt_ready_handler_t      mpt_user_ready;
  62 static mpt_event_handler_t      mpt_user_event;
  63 static mpt_reset_handler_t      mpt_user_reset;
  64 static mpt_detach_handler_t     mpt_user_detach;
  65
  66 static struct mpt_personality mpt_user_personality = {
  67         .name           = "mpt_user",
  68         .probe          = mpt_user_probe,
  69         .attach         = mpt_user_attach,
  70         .enable         = mpt_user_enable,
  71         .ready          = mpt_user_ready,
  72         .event          = mpt_user_event,
  73         .reset          = mpt_user_reset,
  74         .detach         = mpt_user_detach,
  75 };
  76
  77 DECLARE_MPT_PERSONALITY(mpt_user, SI_ORDER_SECOND);
  78
  79 static mpt_reply_handler_t      mpt_user_reply_handler;
  80
  81 static int              mpt_open(struct dev_open_args *ap);
  82 static int              mpt_close(struct dev_close_args *ap);
  83 static int              mpt_ioctl(struct dev_ioctl_args *ap);
  84
  85 static struct dev_ops mpt_cdevsw = {
  86         .d_open =       mpt_open,
  87         .d_close =      mpt_close,
  88         .d_ioctl =      mpt_ioctl,
  89 };
  90
  91 static MALLOC_DEFINE(M_MPTUSER, "mpt_user", "Buffers for mpt(4) ioctls");
  92
  93 static uint32_t user_handler_id = MPT_HANDLER_ID_NONE;
  94
  95 int
  96 mpt_user_probe(struct mpt_softc *mpt)
  97 {
  98
  99         /* Attach to every controller. */
 100         return (0);
 101 }
 102
 103 int
 104 mpt_user_attach(struct mpt_softc *mpt)
 105 {
 106         mpt_handler_t handler;
 107         int error, unit;
 108
 109         MPT_LOCK(mpt);
 110         handler.reply_handler = mpt_user_reply_handler;
 111         error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
 112                                      &user_handler_id);
 113         MPT_UNLOCK(mpt);
 114         if (error != 0) {
 115                 mpt_prt(mpt, "Unable to register user handler!\n");
 116                 return (error);
 117         }
 118         unit = device_get_unit(mpt->dev);
 119         mpt->cdev = make_dev(&mpt_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640,
 120             "mpt%d", unit);
 121         if (mpt->cdev == NULL) {
 122                 MPT_LOCK(mpt);
 123                 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
 124                     user_handler_id);
 125                 MPT_UNLOCK(mpt);
 126                 return (ENOMEM);
 127         }
 128         mpt->cdev->si_drv1 = mpt;
 129         return (0);
 130 }
 131
 132 int
 133 mpt_user_enable(struct mpt_softc *mpt)
 134 {
 135
 136         return (0);
 137 }
 138
 139 void
 140 mpt_user_ready(struct mpt_softc *mpt)
 141 {
 142 }
 143
 144 int
 145 mpt_user_event(struct mpt_softc *mpt, request_t *req,
 146     MSG_EVENT_NOTIFY_REPLY *msg)
 147 {
 148
 149         /* Someday we may want to let a user daemon listen for events? */
 150         return (0);
 151 }
 152
 153 void
 154 mpt_user_reset(struct mpt_softc *mpt, int type)
 155 {
 156 }
 157
 158 void
 159 mpt_user_detach(struct mpt_softc *mpt)
 160 {
 161         mpt_handler_t handler;
 162
 163         /* XXX: do a purge of pending requests? */
 164         destroy_dev(mpt->cdev);
 165
 166         MPT_LOCK(mpt);
 167         handler.reply_handler = mpt_user_reply_handler;
 168         mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler,
 169             user_handler_id);
 170         MPT_UNLOCK(mpt);
 171 }
 172
 173 static int
 174 mpt_open(struct dev_open_args *ap)
 175 {
 176
 177         return (0);
 178 }
 179
 180 static int
 181 mpt_close(struct dev_close_args *ap)
 182 {
 183
 184         return (0);
 185 }
 186
 187 static int
 188 mpt_alloc_buffer(struct mpt_softc *mpt, struct mpt_page_memory *page_mem,
 189     size_t len)
 190 {
 191         struct mpt_map_info mi;
 192         int error;
 193
 194         page_mem->vaddr = NULL;
 195
 196         /* Limit requests to 16M. */
 197         if (len > 16 * 1024 * 1024)
 198                 return (ENOSPC);
 199         error = mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 0,
 200             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
 201             len, 1, len, 0, &page_mem->tag);
 202         if (error)
 203                 return (error);
 204         error = bus_dmamem_alloc(page_mem->tag, &page_mem->vaddr,
 205             BUS_DMA_NOWAIT, &page_mem->map);
 206         if (error) {
 207                 bus_dma_tag_destroy(page_mem->tag);
 208                 return (error);
 209         }
 210         mi.mpt = mpt;
 211         error = bus_dmamap_load(page_mem->tag, page_mem->map, page_mem->vaddr,
 212             len, mpt_map_rquest, &mi, BUS_DMA_NOWAIT);
 213         if (error == 0)
 214                 error = mi.error;
 215         if (error) {
 216                 bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map);
 217                 bus_dma_tag_destroy(page_mem->tag);
 218                 page_mem->vaddr = NULL;
 219                 return (error);
 220         }
 221         page_mem->paddr = mi.phys;
 222         return (0);
 223 }
 224
 225 static void
 226 mpt_free_buffer(struct mpt_page_memory *page_mem)
 227 {
 228
 229         if (page_mem->vaddr == NULL)
 230                 return;
 231         bus_dmamap_unload(page_mem->tag, page_mem->map);
 232         bus_dmamem_free(page_mem->tag, page_mem->vaddr, page_mem->map);
 233         bus_dma_tag_destroy(page_mem->tag);
 234         page_mem->vaddr = NULL;
 235 }
 236
 237 static int
 238 mpt_user_read_cfg_header(struct mpt_softc *mpt,
 239     struct mpt_cfg_page_req *page_req)
 240 {
 241         request_t  *req;
 242         cfgparms_t params;
 243         MSG_CONFIG *cfgp;
 244         int         error;
 245
 246         req = mpt_get_request(mpt, TRUE);
 247         if (req == NULL) {
 248                 mpt_prt(mpt, "mpt_user_read_cfg_header: Get request failed!\n");
 249                 return (ENOMEM);
 250         }
 251
 252         params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
 253         params.PageVersion = 0;
 254         params.PageLength = 0;
 255         params.PageNumber = page_req->header.PageNumber;
 256         params.PageType = page_req->header.PageType;
 257         params.PageAddress = le32toh(page_req->page_address);
 258         error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
 259                                   TRUE, 5000);
 260         if (error != 0) {
 261                 /*
 262                  * Leave the request. Without resetting the chip, it's
 263                  * still owned by it and we'll just get into trouble
 264                  * freeing it now. Mark it as abandoned so that if it
 265                  * shows up later it can be freed.
 266                  */
 267                 mpt_prt(mpt, "read_cfg_header timed out\n");
 268                 return (ETIMEDOUT);
 269         }
 270
 271         page_req->ioc_status = htole16(req->IOCStatus);
 272         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) {
 273                 cfgp = req->req_vbuf;
 274                 bcopy(&cfgp->Header, &page_req->header,
 275                     sizeof(page_req->header));
 276         }
 277         mpt_free_request(mpt, req);
 278         return (0);
 279 }
 280
 281 static int
 282 mpt_user_read_cfg_page(struct mpt_softc *mpt, struct mpt_cfg_page_req *page_req,
 283     struct mpt_page_memory *mpt_page)
 284 {
 285         CONFIG_PAGE_HEADER *hdr;
 286         request_t    *req;
 287         cfgparms_t    params;
 288         int           error;
 289
 290         req = mpt_get_request(mpt, TRUE);
 291         if (req == NULL) {
 292                 mpt_prt(mpt, "mpt_user_read_cfg_page: Get request failed!\n");
 293                 return (ENOMEM);
 294         }
 295
 296         hdr = mpt_page->vaddr;
 297         params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 298         params.PageVersion = hdr->PageVersion;
 299         params.PageLength = hdr->PageLength;
 300         params.PageNumber = hdr->PageNumber;
 301         params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
 302         params.PageAddress = le32toh(page_req->page_address);
 303         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 304             le32toh(page_req->len), TRUE, 5000);
 305         if (error != 0) {
 306                 mpt_prt(mpt, "mpt_user_read_cfg_page timed out\n");
 307                 return (ETIMEDOUT);
 308         }
 309
 310         page_req->ioc_status = htole16(req->IOCStatus);
 311         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS)
 312                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 313                     BUS_DMASYNC_POSTREAD);
 314         mpt_free_request(mpt, req);
 315         return (0);
 316 }
 317
 318 static int
 319 mpt_user_read_extcfg_header(struct mpt_softc *mpt,
 320     struct mpt_ext_cfg_page_req *ext_page_req)
 321 {
 322         request_t  *req;
 323         cfgparms_t params;
 324         MSG_CONFIG_REPLY *cfgp;
 325         int         error;
 326
 327         req = mpt_get_request(mpt, TRUE);
 328         if (req == NULL) {
 329                 mpt_prt(mpt, "mpt_user_read_extcfg_header: Get request failed!\n");
 330                 return (ENOMEM);
 331         }
 332
 333         params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
 334         params.PageVersion = ext_page_req->header.PageVersion;
 335         params.PageLength = 0;
 336         params.PageNumber = ext_page_req->header.PageNumber;
 337         params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 338         params.PageAddress = le32toh(ext_page_req->page_address);
 339         params.ExtPageType = ext_page_req->header.ExtPageType;
 340         params.ExtPageLength = 0;
 341         error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
 342                                   TRUE, 5000);
 343         if (error != 0) {
 344                 /*
 345                  * Leave the request. Without resetting the chip, it's
 346                  * still owned by it and we'll just get into trouble
 347                  * freeing it now. Mark it as abandoned so that if it
 348                  * shows up later it can be freed.
 349                  */
 350                 mpt_prt(mpt, "mpt_user_read_extcfg_header timed out\n");
 351                 return (ETIMEDOUT);
 352         }
 353
 354         ext_page_req->ioc_status = htole16(req->IOCStatus);
 355         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS) {
 356                 cfgp = req->req_vbuf;
 357                 ext_page_req->header.PageVersion = cfgp->Header.PageVersion;
 358                 ext_page_req->header.PageNumber = cfgp->Header.PageNumber;
 359                 ext_page_req->header.PageType = cfgp->Header.PageType;
 360                 ext_page_req->header.ExtPageLength = cfgp->ExtPageLength;
 361                 ext_page_req->header.ExtPageType = cfgp->ExtPageType;
 362         }
 363         mpt_free_request(mpt, req);
 364         return (0);
 365 }
 366
 367 static int
 368 mpt_user_read_extcfg_page(struct mpt_softc *mpt,
 369     struct mpt_ext_cfg_page_req *ext_page_req, struct mpt_page_memory *mpt_page)
 370 {
 371         CONFIG_EXTENDED_PAGE_HEADER *hdr;
 372         request_t    *req;
 373         cfgparms_t    params;
 374         int           error;
 375
 376         req = mpt_get_request(mpt, TRUE);
 377         if (req == NULL) {
 378                 mpt_prt(mpt, "mpt_user_read_extcfg_page: Get request failed!\n");
 379                 return (ENOMEM);
 380         }
 381
 382         hdr = mpt_page->vaddr;
 383         params.Action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 384         params.PageVersion = hdr->PageVersion;
 385         params.PageLength = 0;
 386         params.PageNumber = hdr->PageNumber;
 387         params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 388         params.PageAddress = le32toh(ext_page_req->page_address);
 389         params.ExtPageType = hdr->ExtPageType;
 390         params.ExtPageLength = hdr->ExtPageLength;
 391         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 392             le32toh(ext_page_req->len), TRUE, 5000);
 393         if (error != 0) {
 394                 mpt_prt(mpt, "mpt_user_read_extcfg_page timed out\n");
 395                 return (ETIMEDOUT);
 396         }
 397
 398         ext_page_req->ioc_status = htole16(req->IOCStatus);
 399         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) == MPI_IOCSTATUS_SUCCESS)
 400                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 401                     BUS_DMASYNC_POSTREAD);
 402         mpt_free_request(mpt, req);
 403         return (0);
 404 }
 405
 406 static int
 407 mpt_user_write_cfg_page(struct mpt_softc *mpt,
 408     struct mpt_cfg_page_req *page_req, struct mpt_page_memory *mpt_page)
 409 {
 410         CONFIG_PAGE_HEADER *hdr;
 411         request_t    *req;
 412         cfgparms_t    params;
 413         u_int         hdr_attr;
 414         int           error;
 415
 416         hdr = mpt_page->vaddr;
 417         hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK;
 418         if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE &&
 419             hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) {
 420                 mpt_prt(mpt, "page type 0x%x not changeable\n",
 421                         hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
 422                 return (EINVAL);
 423         }
 424
 425 #if     0
 426         /*
 427          * We shouldn't mask off other bits here.
 428          */
 429         hdr->PageType &= ~MPI_CONFIG_PAGETYPE_MASK;
 430 #endif
 431
 432         req = mpt_get_request(mpt, TRUE);
 433         if (req == NULL)
 434                 return (ENOMEM);
 435
 436         bus_dmamap_sync(mpt_page->tag, mpt_page->map, BUS_DMASYNC_PREWRITE);
 437
 438         /*
 439          * There isn't any point in restoring stripped out attributes
 440          * if you then mask them going down to issue the request.
 441          */
 442
 443         params.Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
 444         params.PageVersion = hdr->PageVersion;
 445         params.PageLength = hdr->PageLength;
 446         params.PageNumber = hdr->PageNumber;
 447         params.PageAddress = le32toh(page_req->page_address);
 448 #if     0
 449         /* Restore stripped out attributes */
 450         hdr->PageType |= hdr_attr;
 451         params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
 452 #else
 453         params.PageType = hdr->PageType;
 454 #endif
 455         error = mpt_issue_cfg_req(mpt, req, &params, mpt_page->paddr,
 456             le32toh(page_req->len), TRUE, 5000);
 457         if (error != 0) {
 458                 mpt_prt(mpt, "mpt_write_cfg_page timed out\n");
 459                 return (ETIMEDOUT);
 460         }
 461
 462         page_req->ioc_status = htole16(req->IOCStatus);
 463         mpt_free_request(mpt, req);
 464         return (0);
 465 }
 466
 467 static int
 468 mpt_user_reply_handler(struct mpt_softc *mpt, request_t *req,
 469     uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
 470 {
 471         MSG_RAID_ACTION_REPLY *reply;
 472         struct mpt_user_raid_action_result *res;
 473
 474         if (req == NULL)
 475                 return (TRUE);
 476
 477         if (reply_frame != NULL) {
 478                 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
 479                     BUS_DMASYNC_POSTREAD);
 480                 reply = (MSG_RAID_ACTION_REPLY *)reply_frame;
 481                 req->IOCStatus = le16toh(reply->IOCStatus);
 482                 res = (struct mpt_user_raid_action_result *)
 483                     (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt));
 484                 res->action_status = reply->ActionStatus;
 485                 res->volume_status = reply->VolumeStatus;
 486                 bcopy(&reply->ActionData, res->action_data,
 487                     sizeof(res->action_data));
 488         }
 489
 490         req->state &= ~REQ_STATE_QUEUED;
 491         req->state |= REQ_STATE_DONE;
 492         TAILQ_REMOVE(&mpt->request_pending_list, req, links);
 493
 494         if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) {
 495                 wakeup(req);
 496         } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) {
 497                 /*
 498                  * Whew- we can free this request (late completion)
 499                  */
 500                 mpt_free_request(mpt, req);
 501         }
 502
 503         return (TRUE);
 504 }
 505
 506 /*
 507  * We use the first part of the request buffer after the request frame
 508  * to hold the action data and action status from the RAID reply.  The
 509  * rest of the request buffer is used to hold the buffer for the
 510  * action SGE.
 511  */
 512 static int
 513 mpt_user_raid_action(struct mpt_softc *mpt, struct mpt_raid_action *raid_act,
 514         struct mpt_page_memory *mpt_page)
 515 {
 516         request_t *req;
 517         struct mpt_user_raid_action_result *res;
 518         MSG_RAID_ACTION_REQUEST *rap;
 519         SGE_SIMPLE32 *se;
 520         int error;
 521
 522         req = mpt_get_request(mpt, TRUE);
 523         if (req == NULL)
 524                 return (ENOMEM);
 525         rap = req->req_vbuf;
 526         memset(rap, 0, sizeof *rap);
 527         rap->Action = raid_act->action;
 528         rap->ActionDataWord = raid_act->action_data_word;
 529         rap->Function = MPI_FUNCTION_RAID_ACTION;
 530         rap->VolumeID = raid_act->volume_id;
 531         rap->VolumeBus = raid_act->volume_bus;
 532         rap->PhysDiskNum = raid_act->phys_disk_num;
 533         se = (SGE_SIMPLE32 *)&rap->ActionDataSGE;
 534         if (mpt_page->vaddr != NULL && raid_act->len != 0) {
 535                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 536                     BUS_DMASYNC_PREWRITE);
 537                 se->Address = htole32(mpt_page->paddr);
 538                 MPI_pSGE_SET_LENGTH(se, le32toh(raid_act->len));
 539                 MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
 540                     MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
 541                     MPI_SGE_FLAGS_END_OF_LIST |
 542                     raid_act->write ? MPI_SGE_FLAGS_HOST_TO_IOC :
 543                     MPI_SGE_FLAGS_IOC_TO_HOST));
 544         }
 545         se->FlagsLength = htole32(se->FlagsLength);
 546         rap->MsgContext = htole32(req->index | user_handler_id);
 547
 548         mpt_check_doorbell(mpt);
 549         mpt_send_cmd(mpt, req);
 550
 551         error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, TRUE,
 552             2000);
 553         if (error != 0) {
 554                 /*
 555                  * Leave request so it can be cleaned up later.
 556                  */
 557                 mpt_prt(mpt, "mpt_user_raid_action timed out\n");
 558                 return (error);
 559         }
 560
 561         raid_act->ioc_status = htole16(req->IOCStatus);
 562         if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
 563                 mpt_free_request(mpt, req);
 564                 return (0);
 565         }
 566
 567         res = (struct mpt_user_raid_action_result *)
 568             (((uint8_t *)req->req_vbuf) + MPT_RQSL(mpt));
 569         raid_act->volume_status = res->volume_status;
 570         raid_act->action_status = res->action_status;
 571         bcopy(res->action_data, raid_act->action_data,
 572             sizeof(res->action_data));
 573         if (mpt_page->vaddr != NULL)
 574                 bus_dmamap_sync(mpt_page->tag, mpt_page->map,
 575                     BUS_DMASYNC_POSTREAD);
 576         mpt_free_request(mpt, req);
 577         return (0);
 578 }
 579
 580 #ifdef __x86_64__
 581 #define PTRIN(p)                ((void *)(uintptr_t)(p))
 582 #define PTROUT(v)               ((u_int32_t)(uintptr_t)(v))
 583 #endif
 584
 585 static int
 586 mpt_ioctl(struct dev_ioctl_args *ap)
 587 {
 588         struct mpt_softc *mpt;
 589         struct mpt_cfg_page_req *page_req;
 590         struct mpt_ext_cfg_page_req *ext_page_req;
 591         struct mpt_raid_action *raid_act;
 592         struct mpt_page_memory mpt_page;
 593 #ifdef __x86_64__
 594         struct mpt_cfg_page_req32 *page_req32;
 595         struct mpt_cfg_page_req page_req_swab;
 596         struct mpt_ext_cfg_page_req32 *ext_page_req32;
 597         struct mpt_ext_cfg_page_req ext_page_req_swab;
 598         struct mpt_raid_action32 *raid_act32;
 599         struct mpt_raid_action raid_act_swab;
 600 #endif
 601         u_long cmd = ap->a_cmd;
 602         caddr_t arg = ap->a_data;
 603         struct cdev *kdev = ap->a_head.a_dev;
 604         int error;
 605
 606         mpt = kdev->si_drv1;
 607         page_req = (void *)arg;
 608         ext_page_req = (void *)arg;
 609         raid_act = (void *)arg;
 610         mpt_page.vaddr = NULL;
 611
 612 #ifdef __x86_64__
 613         /* Convert 32-bit structs to native ones. */
 614         page_req32 = (void *)arg;
 615         ext_page_req32 = (void *)arg;
 616         raid_act32 = (void *)arg;
 617         switch (cmd) {
 618         case MPTIO_READ_CFG_HEADER32:
 619         case MPTIO_READ_CFG_PAGE32:
 620         case MPTIO_WRITE_CFG_PAGE32:
 621                 page_req = &page_req_swab;
 622                 page_req->header = page_req32->header;
 623                 page_req->page_address = page_req32->page_address;
 624                 page_req->buf = PTRIN(page_req32->buf);
 625                 page_req->len = page_req32->len;
 626                 page_req->ioc_status = page_req32->ioc_status;
 627                 break;
 628         case MPTIO_READ_EXT_CFG_HEADER32:
 629         case MPTIO_READ_EXT_CFG_PAGE32:
 630                 ext_page_req = &ext_page_req_swab;
 631                 ext_page_req->header = ext_page_req32->header;
 632                 ext_page_req->page_address = ext_page_req32->page_address;
 633                 ext_page_req->buf = PTRIN(ext_page_req32->buf);
 634                 ext_page_req->len = ext_page_req32->len;
 635                 ext_page_req->ioc_status = ext_page_req32->ioc_status;
 636                 break;
 637         case MPTIO_RAID_ACTION32:
 638                 raid_act = &raid_act_swab;
 639                 raid_act->action = raid_act32->action;
 640                 raid_act->volume_bus = raid_act32->volume_bus;
 641                 raid_act->volume_id = raid_act32->volume_id;
 642                 raid_act->phys_disk_num = raid_act32->phys_disk_num;
 643                 raid_act->action_data_word = raid_act32->action_data_word;
 644                 raid_act->buf = PTRIN(raid_act32->buf);
 645                 raid_act->len = raid_act32->len;
 646                 raid_act->volume_status = raid_act32->volume_status;
 647                 bcopy(raid_act32->action_data, raid_act->action_data,
 648                     sizeof(raid_act->action_data));
 649                 raid_act->action_status = raid_act32->action_status;
 650                 raid_act->ioc_status = raid_act32->ioc_status;
 651                 raid_act->write = raid_act32->write;
 652                 break;
 653         }
 654 #endif
 655
 656         switch (cmd) {
 657 #ifdef __x86_64__
 658         case MPTIO_READ_CFG_HEADER32:
 659 #endif
 660         case MPTIO_READ_CFG_HEADER:
 661                 MPT_LOCK(mpt);
 662                 error = mpt_user_read_cfg_header(mpt, page_req);
 663                 MPT_UNLOCK(mpt);
 664                 break;
 665 #ifdef __x86_64__
 666         case MPTIO_READ_CFG_PAGE32:
 667 #endif
 668         case MPTIO_READ_CFG_PAGE:
 669                 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len);
 670                 if (error)
 671                         break;
 672                 error = copyin(page_req->buf, mpt_page.vaddr,
 673                     sizeof(CONFIG_PAGE_HEADER));
 674                 if (error)
 675                         break;
 676                 MPT_LOCK(mpt);
 677                 error = mpt_user_read_cfg_page(mpt, page_req, &mpt_page);
 678                 MPT_UNLOCK(mpt);
 679                 if (error)
 680                         break;
 681                 error = copyout(mpt_page.vaddr, page_req->buf, page_req->len);
 682                 break;
 683 #ifdef __x86_64__
 684         case MPTIO_READ_EXT_CFG_HEADER32:
 685 #endif
 686         case MPTIO_READ_EXT_CFG_HEADER:
 687                 MPT_LOCK(mpt);
 688                 error = mpt_user_read_extcfg_header(mpt, ext_page_req);
 689                 MPT_UNLOCK(mpt);
 690                 break;
 691 #ifdef __x86_64__
 692         case MPTIO_READ_EXT_CFG_PAGE32:
 693 #endif
 694         case MPTIO_READ_EXT_CFG_PAGE:
 695                 error = mpt_alloc_buffer(mpt, &mpt_page, ext_page_req->len);
 696                 if (error)
 697                         break;
 698                 error = copyin(ext_page_req->buf, mpt_page.vaddr,
 699                     sizeof(CONFIG_EXTENDED_PAGE_HEADER));
 700                 if (error)
 701                         break;
 702                 MPT_LOCK(mpt);
 703                 error = mpt_user_read_extcfg_page(mpt, ext_page_req, &mpt_page);
 704                 MPT_UNLOCK(mpt);
 705                 if (error)
 706                         break;
 707                 error = copyout(mpt_page.vaddr, ext_page_req->buf,
 708                     ext_page_req->len);
 709                 break;
 710 #ifdef __x86_64__
 711         case MPTIO_WRITE_CFG_PAGE32:
 712 #endif
 713         case MPTIO_WRITE_CFG_PAGE:
 714                 error = mpt_alloc_buffer(mpt, &mpt_page, page_req->len);
 715                 if (error)
 716                         break;
 717                 error = copyin(page_req->buf, mpt_page.vaddr, page_req->len);
 718                 if (error)
 719                         break;
 720                 MPT_LOCK(mpt);
 721                 error = mpt_user_write_cfg_page(mpt, page_req, &mpt_page);
 722                 MPT_UNLOCK(mpt);
 723                 break;
 724 #ifdef __x86_64__
 725         case MPTIO_RAID_ACTION32:
 726 #endif
 727         case MPTIO_RAID_ACTION:
 728                 if (raid_act->buf != NULL) {
 729                         error = mpt_alloc_buffer(mpt, &mpt_page, raid_act->len);
 730                         if (error)
 731                                 break;
 732                         error = copyin(raid_act->buf, mpt_page.vaddr,
 733                             raid_act->len);
 734                         if (error)
 735                                 break;
 736                 }
 737                 MPT_LOCK(mpt);
 738                 error = mpt_user_raid_action(mpt, raid_act, &mpt_page);
 739                 MPT_UNLOCK(mpt);
 740                 if (error)
 741                         break;
 742                 if (raid_act->buf != NULL)
 743                         error = copyout(mpt_page.vaddr, raid_act->buf,
 744                             raid_act->len);
 745                 break;
 746         default:
 747                 error = ENOIOCTL;
 748                 break;
 749         }
 750
 751         mpt_free_buffer(&mpt_page);
 752
 753         if (error)
 754                 return (error);
 755
 756 #ifdef __x86_64__
 757         /* Convert native structs to 32-bit ones. */
 758         switch (cmd) {
 759         case MPTIO_READ_CFG_HEADER32:
 760         case MPTIO_READ_CFG_PAGE32:
 761         case MPTIO_WRITE_CFG_PAGE32:
 762                 page_req32->header = page_req->header;
 763                 page_req32->page_address = page_req->page_address;
 764                 page_req32->buf = PTROUT(page_req->buf);
 765                 page_req32->len = page_req->len;
 766                 page_req32->ioc_status = page_req->ioc_status;
 767                 break;
 768         case MPTIO_READ_EXT_CFG_HEADER32:
 769         case MPTIO_READ_EXT_CFG_PAGE32:
 770                 ext_page_req32->header = ext_page_req->header;
 771                 ext_page_req32->page_address = ext_page_req->page_address;
 772                 ext_page_req32->buf = PTROUT(ext_page_req->buf);
 773                 ext_page_req32->len = ext_page_req->len;
 774                 ext_page_req32->ioc_status = ext_page_req->ioc_status;
 775                 break;
 776         case MPTIO_RAID_ACTION32:
 777                 raid_act32->action = raid_act->action;
 778                 raid_act32->volume_bus = raid_act->volume_bus;
 779                 raid_act32->volume_id = raid_act->volume_id;
 780                 raid_act32->phys_disk_num = raid_act->phys_disk_num;
 781                 raid_act32->action_data_word = raid_act->action_data_word;
 782                 raid_act32->buf = PTROUT(raid_act->buf);
 783                 raid_act32->len = raid_act->len;
 784                 raid_act32->volume_status = raid_act->volume_status;
 785                 bcopy(raid_act->action_data, raid_act32->action_data,
 786                     sizeof(raid_act->action_data));
 787                 raid_act32->action_status = raid_act->action_status;
 788                 raid_act32->ioc_status = raid_act->ioc_status;
 789                 raid_act32->write = raid_act->write;
 790                 break;
 791         }
 792 #endif
 793
 794         return (0);
 795 }