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