sys/dev/raid/hptmv/entry.c

   1 /*
   2  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/dev/hptmv/entry.c,v 1.23 2010/06/19 13:42:14 mav Exp $
  27  */
  28
  29 #include <sys/param.h>
  30 #include <sys/systm.h>
  31 #include <sys/kernel.h>
  32 #include <sys/bus.h>
  33 #include <sys/malloc.h>
  34 #include <sys/resource.h>
  35 #include <sys/time.h>
  36 #include <sys/callout.h>
  37 #include <sys/signalvar.h>
  38 #include <sys/eventhandler.h>
  39 #include <sys/proc.h>
  40 #include <sys/kthread.h>
  41
  42 #include <sys/lock.h>
  43 #include <sys/module.h>
  44
  45 #include <bus/pci/pcireg.h>
  46 #include <bus/pci/pcivar.h>
  47
  48 #ifndef __KERNEL__
  49 #define __KERNEL__
  50 #endif
  51
  52 #include <dev/raid/hptmv/global.h>
  53 #include <dev/raid/hptmv/hptintf.h>
  54 #include <dev/raid/hptmv/osbsd.h>
  55 #include <dev/raid/hptmv/access601.h>
  56
  57
  58 #ifdef DEBUG
  59 #ifdef DEBUG_LEVEL
  60 int hpt_dbg_level = DEBUG_LEVEL;
  61 #else
  62 int hpt_dbg_level = 0;
  63 #endif
  64 #endif
  65
  66 #define MV_ERROR kprintf
  67
  68 /*
  69  * CAM SIM entry points
  70  */
  71 static int      hpt_probe (device_t dev);
  72 static void launch_worker_thread(void);
  73 static int      hpt_attach(device_t dev);
  74 static int      hpt_detach(device_t dev);
  75 static int      hpt_shutdown(device_t dev);
  76 static void hpt_poll(struct cam_sim *sim);
  77 static void hpt_intr(void *arg);
  78 static void hpt_async(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg);
  79 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
  80
  81 static struct thread *hptdaemonproc;
  82
  83 static device_method_t driver_methods[] = {
  84         /* Device interface */
  85         DEVMETHOD(device_probe,         hpt_probe),
  86         DEVMETHOD(device_attach,        hpt_attach),
  87         DEVMETHOD(device_detach,        hpt_detach),
  88
  89         DEVMETHOD(device_shutdown,      hpt_shutdown),
  90         { 0, 0 }
  91 };
  92
  93 static driver_t hpt_pci_driver = {
  94         __str(PROC_DIR_NAME),
  95         driver_methods,
  96         sizeof(IAL_ADAPTER_T)
  97 };
  98
  99 static devclass_t       hpt_devclass;
 100
 101 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
 102 __DRIVER_MODULE(PROC_DIR_NAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
 103
 104 #define ccb_ccb_ptr spriv_ptr0
 105 #define ccb_adapter ccb_h.spriv_ptr1
 106
 107 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
 108 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
 109 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
 110 static void ccb_done(union ccb *ccb);
 111 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
 112 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
 113 static void     hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
 114 static void     hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 115 static void     handleEdmaError(_VBUS_ARG PCommand pCmd);
 116 static int      hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 117 static int      fResetActiveCommands(PVBus _vbus_p);
 118 static void     fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
 119 static int      hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
 120 static void     hptmv_handle_event_disconnect(void *data);
 121 static void     hptmv_handle_event_connect(void *data);
 122 static int      start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 123 static void     init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
 124 static int      hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
 125 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
 126     int logical);
 127 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
 128     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
 129     MV_U16 responseFlags, MV_U32 timeStamp,
 130     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
 131 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
 132     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
 133
 134 #define ccb_ccb_ptr spriv_ptr0
 135 #define ccb_adapter ccb_h.spriv_ptr1
 136
 137 IAL_ADAPTER_T *gIal_Adapter = NULL;
 138 IAL_ADAPTER_T *pCurAdapter = NULL;
 139 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
 140
 141 typedef struct st_HPT_DPC {
 142         IAL_ADAPTER_T *pAdapter;
 143         void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
 144         void *arg;
 145         UCHAR flags;
 146 } ST_HPT_DPC;
 147
 148 #define MAX_DPC 16
 149 UCHAR DPC_Request_Nums = 0;
 150 static ST_HPT_DPC DpcQueue[MAX_DPC];
 151 static int DpcQueue_First=0;
 152 static int DpcQueue_Last = 0;
 153
 154 char DRIVER_VERSION[] = "v1.16";
 155
 156 static struct lock driver_lock;
 157 void lock_driver(void)
 158 {
 159         lockmgr(&driver_lock, LK_EXCLUSIVE);
 160 }
 161 void unlock_driver(void)
 162 {
 163         lockmgr(&driver_lock, LK_RELEASE);
 164 }
 165
 166 /*******************************************************************************
 167  *      Name:   hptmv_free_channel
 168  *
 169  *      Description:    free allocated queues for the given channel
 170  *
 171  *      Parameters:     pMvSataAdapter - pointer to the RR18xx controler this
 172  *                                      channel connected to.
 173  *                      channelNum - channel number.
 174  *
 175  ******************************************************************************/
 176 static void
 177 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 178 {
 179         HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
 180         pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
 181 }
 182
 183 static void failDevice(PVDevice pVDev)
 184 {
 185         PVBus _vbus_p = pVDev->pVBus;
 186         IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
 187
 188         pVDev->u.disk.df_on_line = 0;
 189         pVDev->vf_online = 0;
 190         if (pVDev->pfnDeviceFailed)
 191                 CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
 192
 193         fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
 194
 195 #ifndef FOR_DEMO
 196         if (pAdapter->ver_601==2 && !pAdapter->beeping) {
 197                 pAdapter->beeping = 1;
 198                 BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 199                 set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
 200         }
 201 #endif
 202 }
 203
 204 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
 205
 206 static void
 207 handleEdmaError(_VBUS_ARG PCommand pCmd)
 208 {
 209         PDevice pDevice = &pCmd->pVDevice->u.disk;
 210         MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
 211
 212         if (!pDevice->df_on_line) {
 213                 KdPrint(("Device is offline"));
 214                 pCmd->Result = RETURN_BAD_DEVICE;
 215                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
 216                 return;
 217         }
 218
 219         if (pCmd->RetryCount++>5) {
 220                 hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
 221 failed:
 222                 failDevice(pCmd->pVDevice);
 223                 pCmd->Result = RETURN_IDE_ERROR;
 224                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
 225                 return;
 226         }
 227
 228         /* reset the channel and retry the command */
 229         if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
 230                 goto failed;
 231
 232         fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
 233
 234         hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
 235         fDeviceSendCommand(_VBUS_P pCmd);
 236 }
 237
 238 /****************************************************************
 239  *      Name:   hptmv_init_channel
 240  *
 241  *      Description:    allocate request and response queues for the EDMA of the
 242  *                                      given channel and sets other fields.
 243  *
 244  *      Parameters:
 245  *              pAdapter - pointer to the emulated adapter data structure
 246  *              channelNum - channel number.
 247  *      Return: 0 on success, otherwise on failure
 248  ****************************************************************/
 249 static int
 250 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 251 {
 252         MV_SATA_CHANNEL *pMvSataChannel;
 253         dma_addr_t    req_dma_addr;
 254         dma_addr_t    rsp_dma_addr;
 255
 256         if (channelNum >= MV_SATA_CHANNELS_NUM)
 257         {
 258                 MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
 259                                  pAdapter->mvSataAdapter.adapterId, channelNum);
 260                 return -1;
 261         }
 262
 263         pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
 264         pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
 265         pMvSataChannel->channelNumber = channelNum;
 266         pMvSataChannel->lba48Address = MV_FALSE;
 267         pMvSataChannel->maxReadTransfer = MV_FALSE;
 268
 269         pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
 270                                                                    (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
 271         req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
 272
 273
 274         KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
 275
 276         /* check the 1K alignment of the request queue*/
 277         if (req_dma_addr & 0x3ff)
 278         {
 279                 MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
 280                                  " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
 281                                  (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
 282                 return -1;
 283         }
 284         pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
 285         pMvSataChannel->requestQueuePciHiAddress = 0;
 286         KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
 287                           pAdapter->mvSataAdapter.adapterId, channelNum,
 288                           pMvSataChannel->requestQueue));
 289         pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
 290                                                                         (pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
 291         rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
 292
 293         /* check the 256 alignment of the response queue*/
 294         if (rsp_dma_addr & 0xff)
 295         {
 296                 MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
 297                                  "aligned, dma_addr=%llx\n",
 298                                  pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
 299                 return -1;
 300         }
 301         pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
 302         pMvSataChannel->responseQueuePciHiAddress = 0;
 303         KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
 304                           pAdapter->mvSataAdapter.adapterId, channelNum,
 305                           pMvSataChannel->responseQueue));
 306
 307         pAdapter->mvChannel[channelNum].online = MV_TRUE;
 308         return 0;
 309 }
 310
 311 /******************************************************************************
 312  *      Name: hptmv_parse_identify_results
 313  *
 314  *      Description:    this functions parses the identify command results, checks
 315  *                                      that the connected deives can be accesed by RR18xx EDMA,
 316  *                                      and updates the channel stucture accordingly.
 317  *
 318  *      Parameters:     pMvSataChannel, pointer to the channel data structure.
 319  *
 320  *      Returns:        =0 ->success, < 0 ->failure.
 321  *
 322  ******************************************************************************/
 323 static int
 324 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
 325 {
 326         MV_U16  *iden = pMvSataChannel->identifyDevice;
 327
 328         /*LBA addressing*/
 329         if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
 330         {
 331                 KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
 332                 return -1;
 333         }
 334         else
 335         {
 336                 KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
 337         }
 338         /*DMA support*/
 339         if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
 340         {
 341                 KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
 342                 return -1;
 343         }
 344         else
 345         {
 346                 KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
 347         }
 348         /* PIO */
 349         if ((iden[IDEN_VALID] & 2) == 0)
 350         {
 351                 KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
 352                 return -1;
 353         }
 354         KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
 355                           iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
 356
 357         /*UDMA*/
 358         if ((iden[IDEN_VALID] & 4) == 0)
 359         {
 360                 KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
 361                 return -1;
 362         }
 363
 364         /* 48 bit address */
 365         if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
 366         {
 367                 KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
 368                 pMvSataChannel->lba48Address = MV_TRUE;
 369         }
 370         else
 371         {
 372                 KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
 373                 pMvSataChannel->lba48Address = MV_FALSE;
 374         }
 375         return 0;
 376 }
 377
 378 static void
 379 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
 380 {
 381         PVDevice pVDev = &pAdapter->VDevices[channel];
 382         MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
 383         MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
 384
 385         pMvSataChannel->outstandingCommands = 0;
 386
 387         pVDev->u.disk.mv         = pMvSataChannel;
 388         pVDev->u.disk.df_on_line = 1;
 389         pVDev->u.disk.pVBus      = &pAdapter->VBus;
 390         pVDev->pVBus             = &pAdapter->VBus;
 391
 392 #ifdef SUPPORT_48BIT_LBA
 393         if (pMvSataChannel->lba48Address == MV_TRUE)
 394                 pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
 395         else
 396 #endif
 397         if(IdentifyData[53] & 1) {
 398         pVDev->u.disk.dDeRealCapacity =
 399           (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
 400                   (IdentifyData[61]<<16 | IdentifyData[60]) :
 401                                 (IdentifyData[58]<<16 | IdentifyData[57])) - 1;
 402         } else
 403                 pVDev->u.disk.dDeRealCapacity =
 404                                  (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
 405
 406         pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
 407                 pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
 408
 409         if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
 410                 pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
 411                         pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
 412         }
 413 }
 414
 415 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
 416 {
 417         PVDevice pVDev;
 418         MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
 419         MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
 420
 421         if (!pMvSataChannel) return;
 422
 423         if (plugged)
 424         {
 425                 pVDev = &(pAdapter->VDevices[channelIndex]);
 426                 init_vdev_params(pAdapter, channelIndex);
 427
 428                 pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
 429                         pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
 430
 431                 pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
 432                 pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
 433                 pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
 434                 pVDev->vf_online = 1;
 435
 436 #ifdef SUPPORT_ARRAY
 437                 if(pVDev->pParent)
 438                 {
 439                         int iMember;
 440                         for(iMember = 0; iMember <      pVDev->pParent->u.array.bArnMember; iMember++)
 441                                 if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
 442                                         pVDev->pParent->u.array.pMember[iMember] = NULL;
 443                         pVDev->pParent = NULL;
 444                 }
 445 #endif
 446                 fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
 447                 fCheckBootable(pVDev);
 448                 RegisterVDevice(pVDev);
 449
 450 #ifndef FOR_DEMO
 451                 if (pAdapter->beeping) {
 452                         pAdapter->beeping = 0;
 453                         BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 454                 }
 455 #endif
 456
 457         }
 458         else
 459         {
 460                 pVDev  = &(pAdapter->VDevices[channelIndex]);
 461                 failDevice(pVDev);
 462         }
 463 }
 464
 465 static int
 466 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 467 {
 468         MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
 469         MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
 470         MV_CHANNEL              *pChannelInfo = &(pAdapter->mvChannel[channelNum]);
 471         MV_U32          udmaMode,pioMode;
 472
 473         KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
 474                          channelNum));
 475
 476
 477         /* Software reset channel */
 478         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 479         {
 480                 MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
 481                                  pMvSataAdapter->adapterId, channelNum);
 482                 return -1;
 483         }
 484
 485         /* Hardware reset channel */
 486         if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 487         {
 488                 /* If failed, try again - this is when trying to hardreset a channel */
 489                 /* when drive is just spinning up */
 490                 StallExec(5000000); /* wait 5 sec before trying again */
 491                 if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 492                 {
 493                         MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
 494                                          pMvSataAdapter->adapterId, channelNum);
 495                         return -1;
 496                 }
 497         }
 498
 499         /* identify device*/
 500         if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 501         {
 502                 MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
 503                                  , pMvSataAdapter->adapterId, channelNum);
 504                 return -1;
 505         }
 506         if (hptmv_parse_identify_results(pMvSataChannel))
 507         {
 508                 MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
 509                                  , pMvSataAdapter->adapterId, channelNum);
 510                 return -1;
 511         }
 512
 513         /* mvStorageDevATASetFeatures */
 514         /* Disable 8 bit PIO in case CFA enabled */
 515         if (pMvSataChannel->identifyDevice[86] & 4)
 516         {
 517                 KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
 518                                   pMvSataAdapter->adapterId));
 519                 if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 520                                                                            MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
 521                                                                            0, 0, 0) == MV_FALSE)
 522                 {
 523                         MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
 524                                          " failed\n", pMvSataAdapter->adapterId, channelNum);
 525                         return -1;
 526                 }
 527         }
 528         /* Write cache */
 529 #ifdef ENABLE_WRITE_CACHE
 530         if (pMvSataChannel->identifyDevice[82] & 0x20)
 531         {
 532                 if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
 533                 {
 534                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 535                                                                                    MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
 536                                                                                    0, 0, 0) == MV_FALSE)
 537                         {
 538                                 MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
 539                                                  pMvSataAdapter->adapterId, channelNum);
 540                                 return -1;
 541                         }
 542                 }
 543                 KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
 544                                   pMvSataAdapter->adapterId, channelNum));
 545         }
 546         else
 547         {
 548                 KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
 549                                   pMvSataAdapter->adapterId, channelNum));
 550         }
 551 #else /* disable write cache */
 552         {
 553                 if (pMvSataChannel->identifyDevice[85] & 0x20)
 554                 {
 555                         KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
 556                                           pMvSataAdapter->adapterId, channelNum));
 557                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 558                                                                                    MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
 559                                                                                    0, 0, 0) == MV_FALSE)
 560                         {
 561                                 MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
 562                                                  pMvSataAdapter->adapterId, channelNum);
 563                                 return -1;
 564                         }
 565                 }
 566                 KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
 567                                   pMvSataAdapter->adapterId, channelNum));
 568         }
 569 #endif
 570
 571         /* Set transfer mode */
 572         KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
 573                           pMvSataAdapter->adapterId));
 574         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 575                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 576                                                                    MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
 577                 MV_FALSE)
 578         {
 579                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 580                                  pMvSataAdapter->adapterId, channelNum);
 581                 return -1;
 582         }
 583
 584         if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
 585         {
 586                 pioMode = MV_ATA_TRANSFER_PIO_4;
 587         }
 588         else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
 589         {
 590                 pioMode = MV_ATA_TRANSFER_PIO_3;
 591         }
 592         else
 593         {
 594                 MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
 595                 pioMode = MV_ATA_TRANSFER_PIO_SLOW;
 596         }
 597
 598         KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
 599                           pMvSataAdapter->adapterId));
 600         pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
 601         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 602                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 603                                                                    pioMode, 0, 0, 0) == MV_FALSE)
 604         {
 605                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 606                                  pMvSataAdapter->adapterId, channelNum);
 607                 return -1;
 608         }
 609
 610         udmaMode = MV_ATA_TRANSFER_UDMA_0;
 611         if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
 612         {
 613                 udmaMode =  MV_ATA_TRANSFER_UDMA_6;
 614         }
 615         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
 616         {
 617                 udmaMode =  MV_ATA_TRANSFER_UDMA_5;
 618         }
 619         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
 620         {
 621                 udmaMode =  MV_ATA_TRANSFER_UDMA_4;
 622         }
 623         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
 624         {
 625                 udmaMode =  MV_ATA_TRANSFER_UDMA_3;
 626         }
 627         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
 628         {
 629                 udmaMode =  MV_ATA_TRANSFER_UDMA_2;
 630         }
 631
 632         KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
 633                           pMvSataAdapter->adapterId, udmaMode & 0xf));
 634         pChannelInfo->maxUltraDmaModeSupported = udmaMode;
 635
 636         /*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 637                                                                    MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
 638                                                                    0, 0, 0) == MV_FALSE)
 639         {
 640                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 641                                  pMvSataAdapter->adapterId, channelNum);
 642                 return -1;
 643         }*/
 644         if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
 645                 return TRUE;
 646         else
 647                 do
 648                 {
 649                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 650                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 651                                                                    pChannelInfo->maxUltraDmaModeSupported,
 652                                                                    0, 0, 0) == MV_FALSE)
 653                         {
 654                                 if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
 655                                 {
 656                                         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 657                                         {
 658                                                 MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
 659                                                                                   pMvSataChannel->eDmaRegsOffset +
 660                                                                                   0x11c, /* command reg */
 661                                                                                   MV_ATA_COMMAND_IDLE_IMMEDIATE);
 662                                                 mvMicroSecondsDelay(10000);
 663                                                 mvSataChannelHardReset(pMvSataAdapter, channelNum);
 664                                                 if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 665                                                         return FALSE;
 666                                         }
 667                                         if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 668                                                 return FALSE;
 669                                         pChannelInfo->maxUltraDmaModeSupported--;
 670                                         continue;
 671                                 }
 672                                 else   return FALSE;
 673                         }
 674                         break;
 675                 }while (1);
 676
 677         /* Read look ahead */
 678 #ifdef ENABLE_READ_AHEAD
 679         if (pMvSataChannel->identifyDevice[82] & 0x40)
 680         {
 681                 if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
 682                 {
 683                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 684                                                                                    MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
 685                                                                                    0, 0) == MV_FALSE)
 686                         {
 687                                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 688                                                  pMvSataAdapter->adapterId, channelNum);
 689                                 return -1;
 690                         }
 691                 }
 692                 KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
 693                                   pMvSataAdapter->adapterId, channelNum));
 694         }
 695         else
 696         {
 697                 KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
 698                                   pMvSataAdapter->adapterId, channelNum));
 699         }
 700 #else
 701         {
 702                 if (pMvSataChannel->identifyDevice[86] & 0x20)
 703                 {
 704                         KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
 705                                           pMvSataAdapter->adapterId, channelNum));
 706                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 707                                                                                    MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
 708                                                                                    0, 0) == MV_FALSE)
 709                         {
 710                                 MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
 711                                                  pMvSataAdapter->adapterId, channelNum);
 712                                 return -1;
 713                         }
 714                 }
 715                 KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
 716                                   pMvSataAdapter->adapterId, channelNum));
 717         }
 718 #endif
 719
 720
 721         {
 722                 KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
 723                                   pMvSataAdapter->adapterId,
 724                                   channelNum));
 725                 if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
 726                                                                  MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
 727                 {
 728                         MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
 729                                          pMvSataAdapter->adapterId, channelNum);
 730                         return -1;
 731                 }
 732         }
 733         /* Enable EDMA */
 734         if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
 735         {
 736                 MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
 737                                  pMvSataAdapter->adapterId, channelNum);
 738                 return -1;
 739         }
 740         MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
 741                          pMvSataAdapter->adapterId, channelNum);
 742
 743 #ifndef FOR_DEMO
 744         set_fail_led(pMvSataAdapter, channelNum, 0);
 745 #endif
 746         return 0;
 747 }
 748
 749 static void
 750 hptmv_handle_event(void * data, int flag)
 751 {
 752         IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
 753         MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
 754         MV_U8           channelIndex;
 755
 756 /*      mvOsSemTake(&pMvSataAdapter->semaphore); */
 757         for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
 758         {
 759                 switch(pAdapter->sataEvents[channelIndex])
 760                 {
 761                         case SATA_EVENT_CHANNEL_CONNECTED:
 762                                 /* Handle only connects */
 763                                 if (flag == 1)
 764                                         break;
 765                                 KdPrint(("RR18xx [%d,%d]: new device connected\n",
 766                                                  pMvSataAdapter->adapterId, channelIndex));
 767                                 hptmv_init_channel(pAdapter, channelIndex);
 768                                 if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
 769                                 {
 770                                         MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
 771                                                          pMvSataAdapter->adapterId, channelIndex);
 772                                         hptmv_free_channel(pAdapter, channelIndex);
 773                                 }
 774                                 else
 775                                 {
 776                                         /*mvSataChannelHardReset(pMvSataAdapter, channel);*/
 777                                         if (start_channel( pAdapter, channelIndex))
 778                                         {
 779                                                 MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
 780                                                                  pMvSataAdapter->adapterId, channelIndex);
 781                                                 hptmv_free_channel(pAdapter, channelIndex);
 782                                         }
 783                                         else
 784                                         {
 785                                                 device_change(pAdapter, channelIndex, TRUE);
 786                                         }
 787                                 }
 788                                 pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
 789                            break;
 790
 791                         case SATA_EVENT_CHANNEL_DISCONNECTED:
 792                                 /* Handle only disconnects */
 793                                 if (flag == 0)
 794                                         break;
 795                                 KdPrint(("RR18xx [%d,%d]: device disconnected\n",
 796                                                  pMvSataAdapter->adapterId, channelIndex));
 797                                         /* Flush pending commands */
 798                                 if(pMvSataAdapter->sataChannel[channelIndex])
 799                                 {
 800                                         _VBUS_INST(&pAdapter->VBus)
 801                                         mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
 802                                                                                  MV_FLUSH_TYPE_CALLBACK);
 803                                         CheckPendingCall(_VBUS_P0);
 804                                         mvSataRemoveChannel(pMvSataAdapter,channelIndex);
 805                                         hptmv_free_channel(pAdapter, channelIndex);
 806                                         pMvSataAdapter->sataChannel[channelIndex] = NULL;
 807                                         KdPrint(("RR18xx [%d,%d]: channel removed\n",
 808                                                  pMvSataAdapter->adapterId, channelIndex));
 809                                         if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
 810                                                 Check_Idle_Call(pAdapter);
 811                                 }
 812                                 else
 813                                 {
 814                                         KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
 815                                                          pMvSataAdapter->adapterId, channelIndex));
 816                                 }
 817                                 pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
 818                                 break;
 819
 820                         case SATA_EVENT_NO_CHANGE:
 821                                 break;
 822
 823                         default:
 824                                 break;
 825                 }
 826         }
 827 /*      mvOsSemRelease(&pMvSataAdapter->semaphore); */
 828 }
 829
 830 #define EVENT_CONNECT                                   1
 831 #define EVENT_DISCONNECT                                0
 832
 833 static void
 834 hptmv_handle_event_connect(void *data)
 835 {
 836   hptmv_handle_event (data, 0);
 837 }
 838
 839 static void
 840 hptmv_handle_event_disconnect(void *data)
 841 {
 842   hptmv_handle_event (data, 1);
 843 }
 844
 845 static MV_BOOLEAN
 846 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
 847                                                                    MV_U32 param1, MV_U32 param2)
 848 {
 849         IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
 850
 851         switch (eventType)
 852         {
 853                 case MV_EVENT_TYPE_SATA_CABLE:
 854                         {
 855                                 MV_U8   channel = param2;
 856
 857                                 if (param1 == EVENT_CONNECT)
 858                                 {
 859                                         pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
 860                                         KdPrint(("RR18xx [%d,%d]: device connected event received\n",
 861                                                          pMvSataAdapter->adapterId, channel));
 862                                         /* Delete previous timers (if multiple drives connected in the same time */
 863                                         callout_reset(&pAdapter->event_timer_connect, 10*hz, hptmv_handle_event_connect, pAdapter);
 864                                 }
 865                                 else if (param1 == EVENT_DISCONNECT)
 866                                 {
 867                                         pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
 868                                         KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
 869                                                          pMvSataAdapter->adapterId, channel));
 870                                         device_change(pAdapter, channel, FALSE);
 871                                         /* Delete previous timers (if multiple drives disconnected in the same time */
 872                                         /* callout_reset(&pAdapter->event_timer_disconnect, 10*hz, hptmv_handle_event_disconnect, pAdapter); */
 873                                         /*It is not necessary to wait, handle it directly*/
 874                                         hptmv_handle_event_disconnect(pAdapter);
 875                                 }
 876                                 else
 877                                 {
 878
 879                                         MV_ERROR("RR18xx: illigal value for param1(%d) at "
 880                                                          "connect/disconect event, host=%d\n", param1,
 881                                                          pMvSataAdapter->adapterId );
 882
 883                                 }
 884                         }
 885                         break;
 886                 case MV_EVENT_TYPE_ADAPTER_ERROR:
 887                         KdPrint(("RR18xx: DEVICE error event received, pci cause "
 888                                           "reg=%x,  don't how to handle this\n", param1));
 889                         return MV_TRUE;
 890                 default:
 891                         MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
 892                                          pMvSataAdapter->adapterId, eventType);
 893                         return MV_FALSE;
 894         }
 895         return MV_TRUE;
 896 }
 897
 898 static int
 899 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
 900 {
 901         pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
 902                         M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
 903         if (pAdapter->requestsArrayBaseAddr == NULL)
 904         {
 905                 MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
 906                                  " queues\n", pAdapter->mvSataAdapter.adapterId);
 907                 return -1;
 908         }
 909         pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
 910         pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
 911         pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
 912         pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
 913                 (((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
 914         pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
 915         pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
 916         pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
 917
 918         if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
 919                 (pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
 920         {
 921                 MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
 922                                  pAdapter->mvSataAdapter.adapterId);
 923                 contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 924                 return -1;
 925         }
 926         /* response queues */
 927         pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
 928                         M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
 929         if (pAdapter->responsesArrayBaseAddr == NULL)
 930         {
 931                 MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
 932                                  " queues\n", pAdapter->mvSataAdapter.adapterId);
 933                 contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 934                 return -1;
 935         }
 936         pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
 937         pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
 938         pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
 939         pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
 940                 (((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
 941         pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
 942         pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
 943         pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
 944
 945         if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
 946                 (pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
 947         {
 948                 MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
 949                                  pAdapter->mvSataAdapter.adapterId);
 950                 contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 951                 contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 952                 return -1;
 953         }
 954         return 0;
 955 }
 956
 957 static void
 958 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
 959 {
 960         contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 961         contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 962 }
 963
 964 static PVOID
 965 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
 966 {
 967         PVOID ret;
 968         if (pAdapter->pFreePRDLink) {
 969                 KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
 970                 ret = pAdapter->pFreePRDLink;
 971                 pAdapter->pFreePRDLink = *(void**)ret;
 972                 return ret;
 973         }
 974         return NULL;
 975 }
 976
 977 static void
 978 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
 979 {
 980         *(void**)PRDTable = pAdapter->pFreePRDLink;
 981         pAdapter->pFreePRDLink = PRDTable;
 982 }
 983
 984 extern PVDevice fGetFirstChild(PVDevice pLogical);
 985 extern void fResetBootMark(PVDevice pLogical);
 986 static void
 987 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
 988 {
 989         PVDevice pPhysical, pLogical;
 990         PVBus  pVBus;
 991         int i,j;
 992
 993         for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
 994                 pPhysical = &(pAdapter->VDevices[i]);
 995                 pLogical = pPhysical;
 996                 while (pLogical->pParent) pLogical = pLogical->pParent;
 997                 if (pLogical->vf_online==0) {
 998                         pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
 999                         continue;
1000                 }
1001                 if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1002                         continue;
1003
1004                 pVBus = &pAdapter->VBus;
1005                 if(pVBus)
1006                 {
1007                         j=0;
1008                         while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1009                         if(j<MAX_VDEVICE_PER_VBUS){
1010                                 pVBus->pVDevice[j] = pLogical;
1011                                 pLogical->pVBus = pVBus;
1012
1013                                 if (j>0 && pLogical->vf_bootmark) {
1014                                         if (pVBus->pVDevice[0]->vf_bootmark) {
1015                                                 fResetBootMark(pLogical);
1016                                         }
1017                                         else {
1018                                                 do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1019                                                 pVBus->pVDevice[0] = pLogical;
1020                                         }
1021                                 }
1022                         }
1023                 }
1024         }
1025 }
1026
1027 PVDevice
1028 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1029 {
1030         IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1031         LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1032         LBA_T thiscap, maxcap = MAX_LBA_T;
1033         PVDevice pVDevice, pFind = NULL;
1034         int i;
1035
1036         for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1037         {
1038                 pVDevice = &pAdapter->VDevices[i];
1039                 if(!pVDevice)
1040                         continue;
1041                 thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1042                 /* find the smallest usable spare disk */
1043                 if (pVDevice->VDeviceType==VD_SPARE &&
1044                         pVDevice->u.disk.df_on_line &&
1045                         thiscap < maxcap &&
1046                         thiscap >= capacity)
1047                 {
1048                                 maxcap = pVDevice->VDeviceCapacity;
1049                                 pFind = pVDevice;
1050                 }
1051         }
1052         return pFind;
1053 }
1054
1055 /******************************************************************
1056  * IO ATA Command
1057  *******************************************************************/
1058 int HPTLIBAPI
1059 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1060 {
1061         return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1062 }
1063
1064 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1065 {
1066         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1067         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1068         MV_U8 channelIndex = pSataChannel->channelNumber;
1069         UCHAR mvMode;
1070         /* 508x don't use MW-DMA? */
1071         if (NewMode>4 && NewMode<8) NewMode = 4;
1072         pDev->bDeModeSetting = NewMode;
1073         if (NewMode<=4)
1074                 mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1075         else
1076                 mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1077
1078         /*To fix 88i8030 bug*/
1079         if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1080                 mvMode = MV_ATA_TRANSFER_UDMA_0;
1081
1082         mvSataDisableChannelDma(pSataAdapter, channelIndex);
1083         /* Flush pending commands */
1084         mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1085
1086         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1087                                                                    MV_ATA_SET_FEATURES_TRANSFER,
1088                                                                    mvMode, 0, 0, 0) == MV_FALSE)
1089         {
1090                 KdPrint(("channel %d: Set Features failed\n", channelIndex));
1091         }
1092         /* Enable EDMA */
1093         if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1094                 KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1095 }
1096
1097 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1098 {
1099         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1100         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1101         MV_U8 channelIndex = pSataChannel->channelNumber;
1102         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1103         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1104         int dmaActive = pSataChannel->queueCommandsEnabled;
1105         int ret = 0;
1106
1107         if (dmaActive) {
1108                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1109                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1110         }
1111
1112         if (enable) {
1113                 if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1114                         (pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1115                         UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1116                         channelInfo->queueDepth = (depth==32)? 31 : depth;
1117                         mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1118                         ret = 1;
1119                 }
1120         }
1121         else
1122         {
1123                 if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1124                         channelInfo->queueDepth = 2;
1125                         mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1126                         ret = 1;
1127                 }
1128         }
1129
1130         if (dmaActive)
1131                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1132         return ret;
1133 }
1134
1135 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1136 {
1137         return 0;
1138 }
1139
1140 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1141 {
1142         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1143         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1144         MV_U8 channelIndex = pSataChannel->channelNumber;
1145         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1146         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1147         int dmaActive = pSataChannel->queueCommandsEnabled;
1148         int ret = 0;
1149
1150         if (dmaActive) {
1151                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1152                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1153         }
1154
1155         if ((pSataChannel->identifyDevice[82] & (0x20))) {
1156                 if (enable) {
1157                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1158                                 MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1159                         {
1160                                 channelInfo->writeCacheEnabled = MV_TRUE;
1161                                 ret = 1;
1162                         }
1163                 }
1164                 else {
1165                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1166                                 MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1167                         {
1168                                 channelInfo->writeCacheEnabled = MV_FALSE;
1169                                 ret = 1;
1170                         }
1171                 }
1172         }
1173
1174         if (dmaActive)
1175                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1176         return ret;
1177 }
1178
1179 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1180 {
1181         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1182         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1183         MV_U8 channelIndex = pSataChannel->channelNumber;
1184         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1185         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1186         int dmaActive = pSataChannel->queueCommandsEnabled;
1187         int ret = 0;
1188
1189         if (dmaActive) {
1190                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1191                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1192         }
1193
1194         if ((pSataChannel->identifyDevice[82] & (0x40))) {
1195                 if (enable) {
1196                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1197                                 MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1198                         {
1199                                 channelInfo->readAheadEnabled = MV_TRUE;
1200                                 ret = 1;
1201                         }
1202                 }
1203                 else {
1204                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1205                                 MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1206                         {
1207                                 channelInfo->readAheadEnabled = MV_FALSE;
1208                                 ret = 1;
1209                         }
1210                 }
1211         }
1212
1213         if (dmaActive)
1214                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1215         return ret;
1216 }
1217
1218 #ifdef SUPPORT_ARRAY
1219 #define IdeRegisterVDevice  fCheckArray
1220 #else
1221 void
1222 IdeRegisterVDevice(PDevice pDev)
1223 {
1224         PVDevice pVDev = Map2pVDevice(pDev);
1225
1226         pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1227                                                  pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1228         pVDev->vf_online = 1;
1229         pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1230         pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1231         pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1232 }
1233 #endif
1234
1235 static __inline PBUS_DMAMAP
1236 dmamap_get(struct IALAdapter * pAdapter)
1237 {
1238         PBUS_DMAMAP     p = pAdapter->pbus_dmamap_list;
1239         if (p)
1240                 pAdapter->pbus_dmamap_list = p-> next;
1241         return p;
1242 }
1243
1244 static __inline void
1245 dmamap_put(PBUS_DMAMAP p)
1246 {
1247         p->next = p->pAdapter->pbus_dmamap_list;
1248         p->pAdapter->pbus_dmamap_list = p;
1249 }
1250
1251 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1252 #define override_kernel_driver()
1253
1254 static void hpt_init(void *dummy)
1255 {
1256         override_kernel_driver();
1257         lockinit(&driver_lock, "hptsleeplock", 0, LK_CANRECURSE);
1258 }
1259 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1260
1261 static int num_adapters = 0;
1262 static int
1263 init_adapter(IAL_ADAPTER_T *pAdapter)
1264 {
1265         PVBus _vbus_p = &pAdapter->VBus;
1266         MV_SATA_ADAPTER *pMvSataAdapter;
1267         int i, channel, rid;
1268
1269         PVDevice pVDev;
1270
1271         lock_driver();
1272
1273         pAdapter->next = 0;
1274
1275         if(gIal_Adapter == NULL){
1276                 gIal_Adapter = pAdapter;
1277                 pCurAdapter = gIal_Adapter;
1278         }
1279         else {
1280                 pCurAdapter->next = pAdapter;
1281                 pCurAdapter = pAdapter;
1282         }
1283
1284         pAdapter->outstandingCommands = 0;
1285
1286         pMvSataAdapter = &(pAdapter->mvSataAdapter);
1287         _vbus_p->OsExt = (void *)pAdapter;
1288         pMvSataAdapter->IALData = pAdapter;
1289
1290         if (bus_dma_tag_create(NULL,/* parent */
1291                         4,      /* alignment */
1292                         BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1293                         BUS_SPACE_MAXADDR,      /* lowaddr */
1294                         BUS_SPACE_MAXADDR,      /* highaddr */
1295                         NULL, NULL,             /* filter, filterarg */
1296                         PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1297                         MAX_SG_DESCRIPTORS, /* nsegments */
1298                         0x10000,        /* maxsegsize */
1299                         BUS_DMA_WAITOK,         /* flags */
1300                         &pAdapter->io_dma_parent /* tag */))
1301                 {
1302                         return ENXIO;
1303         }
1304
1305
1306         if (hptmv_allocate_edma_queues(pAdapter))
1307         {
1308                 MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1309                 unlock_driver();
1310                 return ENOMEM;
1311         }
1312
1313         /* also map EPROM address */
1314         rid = 0x10;
1315         if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1316                         0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1317                 ||
1318                 !(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1319         {
1320                 MV_ERROR("RR18xx: Failed to remap memory space\n");
1321                 hptmv_free_edma_queues(pAdapter);
1322                 unlock_driver();
1323                 return ENXIO;
1324         }
1325         else
1326         {
1327                 KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1328         }
1329
1330         pMvSataAdapter->adapterId = num_adapters++;
1331         /* get the revision ID */
1332         pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1333         pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1334
1335         /* init RR18xx */
1336         pMvSataAdapter->intCoalThre[0]= 1;
1337         pMvSataAdapter->intCoalThre[1]= 1;
1338         pMvSataAdapter->intTimeThre[0] = 1;
1339         pMvSataAdapter->intTimeThre[1] = 1;
1340         pMvSataAdapter->pciCommand = 0x0107E371;
1341         pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1342         pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1343         pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1344
1345         if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1346         {
1347                 MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1348                                  pMvSataAdapter->adapterId);
1349 unregister:
1350                 bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1351                 hptmv_free_edma_queues(pAdapter);
1352                 unlock_driver();
1353                 return ENXIO;
1354         }
1355         pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1356
1357 #ifndef FOR_DEMO
1358         set_fail_leds(pMvSataAdapter, 0);
1359 #endif
1360
1361         /* setup command blocks */
1362         KdPrint(("Allocate command blocks\n"));
1363         _vbus_(pFreeCommands) = 0;
1364         pAdapter->pCommandBlocks =
1365                 kmalloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1366         KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1367         if (!pAdapter->pCommandBlocks) {
1368                 MV_ERROR("insufficient memory\n");
1369                 goto unregister;
1370         }
1371
1372         for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1373                 FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1374         }
1375
1376         /*Set up the bus_dmamap*/
1377         pAdapter->pbus_dmamap = (PBUS_DMAMAP)kmalloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1378         if(!pAdapter->pbus_dmamap) {
1379                 MV_ERROR("insufficient memory\n");
1380                 kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1381                 goto unregister;
1382         }
1383
1384         memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1385         pAdapter->pbus_dmamap_list = 0;
1386         for (i=0; i < MAX_QUEUE_COMM; i++) {
1387                 PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1388                 pmap->pAdapter = pAdapter;
1389                 dmamap_put(pmap);
1390
1391                 if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1392                         MV_ERROR("Can not allocate dma map\n");
1393                         kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1394                         kfree(pAdapter->pbus_dmamap, M_DEVBUF);
1395                         goto unregister;
1396                 }
1397         }
1398         /* setup PRD Tables */
1399         KdPrint(("Allocate PRD Tables\n"));
1400         pAdapter->pFreePRDLink = 0;
1401
1402         pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1403                 (PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1404
1405         KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1406         if (!pAdapter->prdTableAddr) {
1407                 MV_ERROR("insufficient PRD Tables\n");
1408                 goto unregister;
1409         }
1410         pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1411         {
1412                 PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1413                 for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1414                 {
1415 /*                      KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1416                         FreePRDTable(pAdapter, PRDTable);
1417                         PRDTable += PRD_ENTRIES_SIZE;
1418                 }
1419         }
1420
1421         /* enable the adapter interrupts */
1422
1423         /* configure and start the connected channels*/
1424         for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1425         {
1426                 pAdapter->mvChannel[channel].online = MV_FALSE;
1427                 if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1428                         == MV_TRUE)
1429                 {
1430                         KdPrint(("RR18xx[%d]: channel %d is connected\n",
1431                                           pMvSataAdapter->adapterId, channel));
1432
1433                         if (hptmv_init_channel(pAdapter, channel) == 0)
1434                         {
1435                                 if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1436                                 {
1437                                         MV_ERROR("RR18xx[%d]: Failed to configure channel"
1438                                                          " %d\n",pMvSataAdapter->adapterId, channel);
1439                                         hptmv_free_channel(pAdapter, channel);
1440                                 }
1441                                 else
1442                                 {
1443                                         if (start_channel(pAdapter, channel))
1444                                         {
1445                                                 MV_ERROR("RR18xx[%d]: Failed to start channel,"
1446                                                                  " channel=%d\n",pMvSataAdapter->adapterId,
1447                                                                  channel);
1448                                                 hptmv_free_channel(pAdapter, channel);
1449                                         }
1450                                         pAdapter->mvChannel[channel].online = MV_TRUE;
1451                                         /*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1452                                                                                                            channel,
1453                                                                                                            MV_TRUE);*/
1454                                 }
1455                         }
1456                 }
1457                 KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1458                         pAdapter->mvChannel[channel].online, channel));
1459         }
1460
1461 #ifdef SUPPORT_ARRAY
1462         for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1463                 pVDev = ArrayTables(i);
1464                 mArFreeArrayTable(pVDev);
1465         }
1466 #endif
1467
1468         KdPrint(("Initialize Devices\n"));
1469         for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1470                 MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1471                 if (pMvSataChannel) {
1472                         init_vdev_params(pAdapter, channel);
1473                         IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1474                 }
1475         }
1476 #ifdef SUPPORT_ARRAY
1477         CheckArrayCritical(_VBUS_P0);
1478 #endif
1479         _vbus_p->nInstances = 1;
1480         fRegisterVdevice(pAdapter);
1481
1482         for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1483                 pVDev = _vbus_p->pVDevice[channel];
1484                 if (pVDev && pVDev->vf_online)
1485                         fCheckBootable(pVDev);
1486         }
1487
1488 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1489         init_raid5_memory(_VBUS_P0);
1490         _vbus_(r5).enable_write_back = 1;
1491         kprintf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1492 #endif
1493
1494         mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1495         unlock_driver();
1496         return 0;
1497 }
1498
1499 int
1500 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1501 {
1502         IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1503
1504         mvSataDisableChannelDma(pMvSataAdapter, channel);
1505         /* Flush pending commands */
1506         mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1507
1508         /* Software reset channel */
1509         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1510         {
1511                 MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1512                                  pMvSataAdapter->adapterId, channel);
1513                 hptmv_free_channel(pAdapter, channel);
1514                 return -1;
1515         }
1516
1517         /* Hardware reset channel */
1518         if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1519         {
1520                 MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1521                                  pMvSataAdapter->adapterId, channel);
1522                 hptmv_free_channel(pAdapter, channel);
1523                 return -1;
1524         }
1525
1526         if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1527         {
1528                  MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1529                                  pMvSataAdapter->adapterId, channel);
1530                 hptmv_free_channel(pAdapter, channel);
1531                 return -1;
1532         }else
1533         {
1534                 MV_ERROR("channel %d: perform recalibrate command", channel);
1535                 if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1536                                                                 MV_NON_UDMA_PROTOCOL_NON_DATA,
1537                                                                 MV_FALSE,
1538                                                                 NULL,    /* pBuffer*/
1539                                                                 0,               /* count  */
1540                                                                 0,              /*features*/
1541                                                                                 /* sectorCount */
1542                                                                 0,
1543                                                                 0,      /* lbaLow */
1544                                                                 0,      /* lbaMid */
1545                                                                         /* lbaHigh */
1546                                                                 0,
1547                                                                 0,              /* device */
1548                                                                                 /* command */
1549                                                                 0x10))
1550                         MV_ERROR("channel %d: recalibrate failed", channel);
1551
1552                 /* Set transfer mode */
1553                 if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1554                                                 MV_ATA_SET_FEATURES_TRANSFER,
1555                                                 MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1556                         (mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1557                                                 MV_ATA_SET_FEATURES_TRANSFER,
1558                                                 pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1559                         (mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1560                                                 MV_ATA_SET_FEATURES_TRANSFER,
1561                                                 pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1562                 {
1563                         MV_ERROR("channel %d: Set Features failed", channel);
1564                         hptmv_free_channel(pAdapter, channel);
1565                         return -1;
1566                 }
1567                 /* Enable EDMA */
1568                 if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1569                 {
1570                         MV_ERROR("Failed to enable DMA, channel=%d", channel);
1571                         hptmv_free_channel(pAdapter, channel);
1572                         return -1;
1573                 }
1574         }
1575         return 0;
1576 }
1577
1578 static int
1579 fResetActiveCommands(PVBus _vbus_p)
1580 {
1581         MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1582         MV_U8 channel;
1583         for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1584                 if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1585                         MvSataResetChannel(pMvSataAdapter,channel);
1586         }
1587         return 0;
1588 }
1589
1590 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1591 {
1592         UINT cont;
1593         ULONG ticks = 0;
1594         MV_U8 channel;
1595         MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1596         MV_SATA_CHANNEL *pMvSataChannel;
1597
1598         do {
1599 check_cmds:
1600                 cont = 0;
1601                 CheckPendingCall(_VBUS_P0);
1602 #ifdef _RAID5N_
1603                 dataxfer_poll();
1604                 xor_poll();
1605 #endif
1606                 for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1607                         pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1608                         if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1609                         {
1610                                 while (pMvSataChannel->outstandingCommands) {
1611                                         if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1612                                                 StallExec(1000);
1613                                                 if (ticks++ > 3000) {
1614                                                         MvSataResetChannel(pMvSataAdapter,channel);
1615                                                         goto check_cmds;
1616                                                 }
1617                                         }
1618                                         else
1619                                                 ticks = 0;
1620                                 }
1621                                 cont = 1;
1622                         }
1623                 }
1624         } while (cont);
1625 }
1626
1627 void
1628 fResetVBus(_VBUS_ARG0)
1629 {
1630         KdPrint(("fMvResetBus(%p)", _vbus_p));
1631
1632         /* some commands may already finished. */
1633         CheckPendingCall(_VBUS_P0);
1634
1635         fResetActiveCommands(_vbus_p);
1636         /*
1637          * the other pending commands may still be finished successfully.
1638          */
1639         fCompleteAllCommandsSynchronously(_vbus_p);
1640
1641         /* Now there should be no pending commands. No more action needed. */
1642         CheckIdleCall(_VBUS_P0);
1643
1644         KdPrint(("fMvResetBus() done"));
1645 }
1646
1647 /*No rescan function*/
1648 void
1649 fRescanAllDevice(_VBUS_ARG0)
1650 {
1651 }
1652
1653 static MV_BOOLEAN
1654 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1655                                         MV_U8 channelNum,
1656                                         MV_COMPLETION_TYPE comp_type,
1657                                         MV_VOID_PTR commandId,
1658                                         MV_U16 responseFlags,
1659                                         MV_U32 timeStamp,
1660                                         MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1661 {
1662         PCommand pCmd = (PCommand) commandId;
1663         _VBUS_INST(pCmd->pVDevice->pVBus)
1664
1665         if (pCmd->uScratch.sata_param.prdAddr)
1666                 FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1667
1668         switch (comp_type)
1669         {
1670         case MV_COMPLETION_TYPE_NORMAL:
1671                 pCmd->Result = RETURN_SUCCESS;
1672                 break;
1673         case MV_COMPLETION_TYPE_ABORT:
1674                 pCmd->Result = RETURN_BUS_RESET;
1675                 break;
1676         case MV_COMPLETION_TYPE_ERROR:
1677                  MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1678                                  pMvSataAdapter->adapterId, channelNum, responseFlags);
1679
1680                 if (responseFlags & 4) {
1681                         MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1682                                 " LBA high %x, device %x, status %x\n",
1683                                 registerStruct->errorRegister,
1684                                 registerStruct->sectorCountRegister,
1685                                 registerStruct->lbaLowRegister,
1686                                 registerStruct->lbaMidRegister,
1687                                 registerStruct->lbaHighRegister,
1688                                 registerStruct->deviceRegister,
1689                                 registerStruct->statusRegister);
1690                 }
1691                 /*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1692                  * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1693                 pCmd->uScratch.sata_param.responseFlags = responseFlags;
1694                 pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1695                 pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1696                 pCmd->pVDevice->u.disk.QueueLength--;
1697                 CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1698                 return TRUE;
1699
1700         default:
1701                 MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1702                 return MV_FALSE;
1703         }
1704
1705         if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1706                 pCmd->uScratch.sata_param.cmd_priv --;
1707                 return TRUE;
1708         }
1709         pCmd->pVDevice->u.disk.QueueLength--;
1710         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1711         return TRUE;
1712 }
1713
1714 void
1715 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1716 {
1717         MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = 0;
1718         MV_SATA_ADAPTER *pMvSataAdapter;
1719         MV_SATA_CHANNEL *pMvSataChannel;
1720         PVDevice pVDevice = pCmd->pVDevice;
1721         PDevice  pDevice = &pVDevice->u.disk;
1722         LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1723         USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1724
1725         MV_QUEUE_COMMAND_RESULT result;
1726         MV_QUEUE_COMMAND_INFO commandInfo;
1727         MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1728         MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1729
1730         MV_BOOLEAN is48bit;
1731         MV_U8      channel;
1732         int        i=0;
1733
1734         DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1735
1736         if (!pDevice->df_on_line) {
1737                 MV_ERROR("Device is offline");
1738                 pCmd->Result = RETURN_BAD_DEVICE;
1739                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1740                 return;
1741         }
1742
1743         pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1744         pMvSataChannel = pDevice->mv;
1745         pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1746         channel = pMvSataChannel->channelNumber;
1747
1748         /* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1749         Lba += pDevice->dDeHiddenLba;
1750         /* check LBA */
1751         if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1752                 pCmd->Result = RETURN_INVALID_REQUEST;
1753                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1754                 return;
1755         }
1756
1757         /*
1758          * always use 48bit LBA if drive supports it.
1759          * Some Seagate drives report error if you use a 28-bit command
1760          * to access sector 0xfffffff.
1761          */
1762         is48bit = pMvSataChannel->lba48Address;
1763
1764         switch (pCmd->uCmd.Ide.Command)
1765         {
1766         case IDE_COMMAND_READ:
1767         case IDE_COMMAND_WRITE:
1768                 if (pDevice->bDeModeSetting<8) goto pio;
1769
1770                 commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1771                 pUdmaParams->isEXT = is48bit;
1772                 pUdmaParams->numOfSectors = nSector;
1773                 pUdmaParams->lowLBAAddress = Lba;
1774                 pUdmaParams->highLBAAddress = 0;
1775                 pUdmaParams->prdHighAddr = 0;
1776                 pUdmaParams->callBack = CommandCompletionCB;
1777                 pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1778                 if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1779                         pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1780                 else
1781                         pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1782
1783                 if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1784                         FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1785                         do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1786                 }
1787                 else {
1788                         if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1789 pio:
1790                                 mvSataDisableChannelDma(pMvSataAdapter, channel);
1791                                 mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1792
1793                                 if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1794                                         FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1795                                         do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1796                                 }
1797                                 else {
1798                                         if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1799                                                 pCmd->Result = RETURN_NEED_LOGICAL_SG;
1800                                                 goto finish_cmd;
1801                                         }
1802                                 }
1803
1804                                 do {
1805                                         ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1806                                         ULONG_PTR addr = tmpSg->dSgAddress;
1807                                         if (size & 0x1ff) {
1808                                                 pCmd->Result = RETURN_INVALID_REQUEST;
1809                                                 goto finish_cmd;
1810                                         }
1811                                         if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1812                                                 (pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1813                                                 is48bit,
1814                                                 (MV_U16_PTR)addr,
1815                                                 size >> 1,      /* count       */
1816                                                 0,              /* features  N/A  */
1817                                                 (MV_U16)(size>>9),      /*sector count*/
1818                                                 (MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1819                                                 (MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1820                                                 (MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1821                                                 (MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1822                                                 (MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1823                                         )==MV_FALSE)
1824                                         {
1825                                                 pCmd->Result = RETURN_IDE_ERROR;
1826                                                 goto finish_cmd;
1827                                         }
1828                                         Lba += size>>9;
1829                                         if(Lba & 0xF0000000) is48bit = MV_TRUE;
1830                                 }
1831                                 while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1832                                 pCmd->Result = RETURN_SUCCESS;
1833 finish_cmd:
1834                                 mvSataEnableChannelDma(pMvSataAdapter,channel);
1835                                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1836                                 return;
1837                         }
1838                 }
1839
1840                 pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1841                 KdPrint(("pPRDTable:%p\n",pPRDTable));
1842                 if (!pPRDTable) {
1843                         pCmd->Result = RETURN_DEVICE_BUSY;
1844                         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1845                         HPT_ASSERT(0);
1846                         return;
1847                 }
1848
1849                 do{
1850                         pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1851                         pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1852                         pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1853                         pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1854                         pPRDTable[i].reserved = 0;
1855                         i++;
1856                 }while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1857
1858                 pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1859                 if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1860                         pUdmaParams->numOfSectors = 0;
1861                 }
1862
1863                 pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1864
1865                 result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1866
1867                 if (result != MV_QUEUE_COMMAND_RESULT_OK)
1868                 {
1869 queue_failed:
1870                         switch (result)
1871                         {
1872                         case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1873                                 MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1874                                                  "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1875                                 pCmd->Result = RETURN_IDE_ERROR;
1876                                 break;
1877                         case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1878                                 MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1879                                                  " disabled adapter %d channel %d\n",
1880                                                  pMvSataAdapter->adapterId, channel);
1881                                 mvSataEnableChannelDma(pMvSataAdapter,channel);
1882                                 pCmd->Result = RETURN_IDE_ERROR;
1883                                 break;
1884                         case MV_QUEUE_COMMAND_RESULT_FULL:
1885                                 MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1886                                                  " Full adapter %d channel %d\n",
1887                                                  pMvSataAdapter->adapterId, channel);
1888                                 pCmd->Result = RETURN_DEVICE_BUSY;
1889                                 break;
1890                         case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1891                                 MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1892                                                  "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1893                                                  pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1894                                 pCmd->Result = RETURN_IDE_ERROR;
1895                                 break;
1896                         default:
1897                                 MV_ERROR("IAL Error: Bad result value (%d) from queue"
1898                                                  " command\n", result);
1899                                 pCmd->Result = RETURN_IDE_ERROR;
1900                         }
1901                         if(pPRDTable)
1902                                 FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1903                         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1904                 }
1905                 pDevice->QueueLength++;
1906                 return;
1907
1908         case IDE_COMMAND_VERIFY:
1909                 commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1910                 pNoUdmaParams->bufPtr = NULL;
1911                 pNoUdmaParams->callBack = CommandCompletionCB;
1912                 pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1913                 pNoUdmaParams->count = 0;
1914                 pNoUdmaParams->features = 0;
1915                 pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1916
1917                 pCmd->uScratch.sata_param.cmd_priv = 1;
1918                 if (pMvSataChannel->lba48Address == MV_TRUE){
1919                         pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1920                         pNoUdmaParams->isEXT = MV_TRUE;
1921                         pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1922                         pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1923                         pNoUdmaParams->lbaLow =
1924                                 (MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1925                         pNoUdmaParams->sectorCount = nSector;
1926                         pNoUdmaParams->device = 0x40;
1927                         result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1928                         if (result != MV_QUEUE_COMMAND_RESULT_OK){
1929                                 goto queue_failed;
1930                         }
1931                         return;
1932                 }
1933                 else{
1934                         pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1935                         pNoUdmaParams->isEXT = MV_FALSE;
1936                         pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1937                         pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1938                         pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1939                         pNoUdmaParams->sectorCount = 0xff & nSector;
1940                         pNoUdmaParams->device = (MV_U8)(0x40 |
1941                                 ((Lba & 0xf000000) >> 24));
1942                         pNoUdmaParams->callBack = CommandCompletionCB;
1943                         result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1944                         /*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1945                         if (result != MV_QUEUE_COMMAND_RESULT_OK){
1946                                 goto queue_failed;
1947                         }
1948                 }
1949                 break;
1950         default:
1951                 pCmd->Result = RETURN_INVALID_REQUEST;
1952                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1953                 break;
1954         }
1955 }
1956
1957 /**********************************************************
1958  *
1959  *      Probe the hostadapter.
1960  *
1961  **********************************************************/
1962 static int
1963 hpt_probe(device_t dev)
1964 {
1965         if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1966                 (pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1967 #ifdef FOR_DEMO
1968                 || pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1969 #endif
1970                 ))
1971         {
1972                 KdPrintI((CONTROLLER_NAME " found\n"));
1973                 device_set_desc(dev, CONTROLLER_NAME);
1974                 return 0;
1975         }
1976         else
1977                 return(ENXIO);
1978 }
1979
1980 /***********************************************************
1981  *
1982  *      Auto configuration:  attach and init a host adapter.
1983  *
1984  ***********************************************************/
1985 static int
1986 hpt_attach(device_t dev)
1987 {
1988         IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1989         int rid;
1990         union ccb *ccb;
1991         struct cam_devq *devq;
1992         struct cam_sim *hpt_vsim;
1993
1994         kprintf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1995
1996         if (!pAdapter)
1997         {
1998                 pAdapter = (IAL_ADAPTER_T *)kmalloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
1999                 device_set_softc(dev, (void *)pAdapter);
2000         }
2001
2002         if (!pAdapter) return (ENOMEM);
2003         bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2004
2005         pAdapter->hpt_dev = dev;
2006
2007         rid = init_adapter(pAdapter);
2008         if (rid)
2009                 return rid;
2010
2011         rid = 0;
2012         if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2013         {
2014                 hpt_printk(("can't allocate interrupt\n"));
2015                 return(ENXIO);
2016         }
2017
2018         if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, 0,
2019                                 hpt_intr, pAdapter, &pAdapter->hpt_intr, NULL))
2020         {
2021                 hpt_printk(("can't set up interrupt\n"));
2022                 kfree(pAdapter, M_DEVBUF);
2023                 return(ENXIO);
2024         }
2025
2026
2027         ccb = kmalloc(sizeof(*ccb), M_DEVBUF, M_WAITOK);
2028         bzero(ccb, sizeof(*ccb));
2029         ccb->ccb_h.pinfo.priority = 1;
2030         ccb->ccb_h.pinfo.index = CAM_UNQUEUED_INDEX;
2031
2032         /*
2033          * Create the device queue for our SIM(s).
2034          */
2035         if((devq = cam_simq_alloc(8/*MAX_QUEUE_COMM*/)) == NULL)
2036         {
2037                 KdPrint(("ENXIO\n"));
2038                 return ENOMEM;
2039         }
2040
2041         /*
2042          * Construct our SIM entry
2043          */
2044         hpt_vsim = cam_sim_alloc(hpt_action, hpt_poll, __str(PROC_DIR_NAME),
2045                         pAdapter, device_get_unit(pAdapter->hpt_dev), &sim_mplock, 1, 8, devq);
2046         cam_simq_release(devq);
2047         if (hpt_vsim == NULL) {
2048                 return ENOMEM;
2049         }
2050
2051         if (xpt_bus_register(hpt_vsim, 0) != CAM_SUCCESS)
2052         {
2053                 cam_sim_free(hpt_vsim);
2054                 hpt_vsim = NULL;
2055                 return ENXIO;
2056         }
2057
2058         if(xpt_create_path(&pAdapter->path, /*periph */ NULL,
2059                         cam_sim_path(hpt_vsim), CAM_TARGET_WILDCARD,
2060                         CAM_LUN_WILDCARD) != CAM_REQ_CMP)
2061         {
2062                 xpt_bus_deregister(cam_sim_path(hpt_vsim));
2063                 cam_sim_free(hpt_vsim);
2064                 hpt_vsim = NULL;
2065                 return ENXIO;
2066         }
2067
2068         xpt_setup_ccb(&(ccb->ccb_h), pAdapter->path, /*priority*/5);
2069         ccb->ccb_h.func_code = XPT_SASYNC_CB;
2070         ccb->csa.event_enable = AC_LOST_DEVICE;
2071         ccb->csa.callback = hpt_async;
2072         ccb->csa.callback_arg = hpt_vsim;
2073         xpt_action(ccb);
2074         kfree(ccb, M_DEVBUF);
2075
2076         callout_init(&pAdapter->event_timer_connect);
2077         callout_init(&pAdapter->event_timer_disconnect);
2078
2079         if (device_get_unit(dev) == 0) {
2080                 /* Start the work thread.  XXX */
2081                 launch_worker_thread();
2082
2083                 /*
2084                  * hpt_worker_thread needs to be suspended after shutdown
2085                  * sync, when fs sync finished.
2086                  */
2087                 pAdapter->eh = EVENTHANDLER_REGISTER(shutdown_post_sync,
2088                     shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
2089         }
2090
2091         return 0;
2092 }
2093
2094 static int
2095 hpt_detach(device_t dev)
2096 {
2097         return (EBUSY);
2098 }
2099
2100
2101 /***************************************************************
2102  * The poll function is used to simulate the interrupt when
2103  * the interrupt subsystem is not functioning.
2104  *
2105  ***************************************************************/
2106 static void
2107 hpt_poll(struct cam_sim *sim)
2108 {
2109         hpt_intr((void *)cam_sim_softc(sim));
2110 }
2111
2112 /****************************************************************
2113  *      Name:   hpt_intr
2114  *      Description:    Interrupt handler.
2115  ****************************************************************/
2116 static void
2117 hpt_intr(void *arg)
2118 {
2119         IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)arg;
2120
2121         lock_driver();
2122         /* KdPrintI(("----- Entering Isr() -----\n")); */
2123         if (mvSataInterruptServiceRoutine(&pAdapter->mvSataAdapter) == MV_TRUE)
2124         {
2125                 _VBUS_INST(&pAdapter->VBus)
2126                 CheckPendingCall(_VBUS_P0);
2127         }
2128
2129         /* KdPrintI(("----- Leaving Isr() -----\n")); */
2130         unlock_driver();
2131 }
2132
2133 /**********************************************************
2134  *                      Asynchronous Events
2135  *********************************************************/
2136 #if (!defined(UNREFERENCED_PARAMETER))
2137 #define UNREFERENCED_PARAMETER(x) (void)(x)
2138 #endif
2139
2140 static void
2141 hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path,
2142     void * arg)
2143 {
2144         /* debug XXXX */
2145         panic("Here");
2146         UNREFERENCED_PARAMETER(callback_arg);
2147         UNREFERENCED_PARAMETER(code);
2148         UNREFERENCED_PARAMETER(path);
2149         UNREFERENCED_PARAMETER(arg);
2150
2151 }
2152
2153 static void
2154 FlushAdapter(IAL_ADAPTER_T *pAdapter)
2155 {
2156         int i;
2157
2158         hpt_printk(("flush all devices\n"));
2159
2160         /* flush all devices */
2161         for (i=0; i<MAX_VDEVICE_PER_VBUS; i++) {
2162                 PVDevice pVDev = pAdapter->VBus.pVDevice[i];
2163                 if(pVDev) fFlushVDev(pVDev);
2164         }
2165 }
2166
2167 static int
2168 hpt_shutdown(device_t dev)
2169 {
2170                 IAL_ADAPTER_T *pAdapter;
2171
2172                 pAdapter = device_get_softc(dev);
2173                 if (pAdapter == NULL)
2174                         return (EINVAL);
2175
2176                 EVENTHANDLER_DEREGISTER(shutdown_post_sync, pAdapter->eh);
2177                 FlushAdapter(pAdapter);
2178                   /* give the flush some time to happen,
2179                     *otherwise "shutdown -p now" will make file system corrupted */
2180                 DELAY(1000 * 1000 * 5);
2181                 return 0;
2182 }
2183
2184 void
2185 Check_Idle_Call(IAL_ADAPTER_T *pAdapter)
2186 {
2187         _VBUS_INST(&pAdapter->VBus)
2188
2189         if (mWaitingForIdle(_VBUS_P0)) {
2190                 CheckIdleCall(_VBUS_P0);
2191 #ifdef SUPPORT_ARRAY
2192                 {
2193                         int i;
2194                         PVDevice pArray;
2195                         for(i = 0; i < MAX_ARRAY_PER_VBUS; i++){
2196                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2197                                         continue;
2198                                 else if (pArray->u.array.rf_auto_rebuild) {
2199                                                 KdPrint(("auto rebuild.\n"));
2200                                                 pArray->u.array.rf_auto_rebuild = 0;
2201                                                 hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapter, pArray, DUPLICATE);
2202                                 }
2203                         }
2204                 }
2205 #endif
2206         }
2207         /* launch the awaiting commands blocked by mWaitingForIdle */
2208         while(pAdapter->pending_Q!= NULL)
2209         {
2210                 _VBUS_INST(&pAdapter->VBus)
2211                 union ccb *ccb = (union ccb *)pAdapter->pending_Q->ccb_h.ccb_ccb_ptr;
2212                 hpt_free_ccb(&pAdapter->pending_Q, ccb);
2213                 CallAfterReturn(_VBUS_P (DPC_PROC)OsSendCommand, ccb);
2214         }
2215 }
2216
2217 static void
2218 ccb_done(union ccb *ccb)
2219 {
2220         PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2221         IAL_ADAPTER_T * pAdapter = pmap->pAdapter;
2222         KdPrintI(("ccb_done: ccb %p status %x\n", ccb, ccb->ccb_h.status));
2223
2224         dmamap_put(pmap);
2225         xpt_done(ccb);
2226
2227         pAdapter->outstandingCommands--;
2228
2229         if (pAdapter->outstandingCommands == 0)
2230         {
2231                 if(DPC_Request_Nums == 0)
2232                         Check_Idle_Call(pAdapter);
2233         }
2234 }
2235
2236 /****************************************************************
2237  *      Name:   hpt_action
2238  *      Description:    Process a queued command from the CAM layer.
2239  *      Parameters:             sim - Pointer to SIM object
2240  *                                      ccb - Pointer to SCSI command structure.
2241  ****************************************************************/
2242
2243 void
2244 hpt_action(struct cam_sim *sim, union ccb *ccb)
2245 {
2246         IAL_ADAPTER_T * pAdapter = (IAL_ADAPTER_T *) cam_sim_softc(sim);
2247         PBUS_DMAMAP  pmap;
2248         _VBUS_INST(&pAdapter->VBus)
2249
2250         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("hpt_action\n"));
2251         KdPrint(("hpt_action(%lx,%lx{%x})\n", (u_long)sim, (u_long)ccb, ccb->ccb_h.func_code));
2252
2253         switch (ccb->ccb_h.func_code)
2254         {
2255                 case XPT_SCSI_IO:       /* Execute the requested I/O operation */
2256                 {
2257                         /* ccb->ccb_h.path_id is not our bus id - don't check it */
2258
2259                         if (ccb->ccb_h.target_lun)      {
2260                                 ccb->ccb_h.status = CAM_LUN_INVALID;
2261                                 xpt_done(ccb);
2262                                 return;
2263                         }
2264                         if (ccb->ccb_h.target_id >= MAX_VDEVICE_PER_VBUS ||
2265                                 pAdapter->VBus.pVDevice[ccb->ccb_h.target_id]==0) {
2266                                 ccb->ccb_h.status = CAM_TID_INVALID;
2267                                 xpt_done(ccb);
2268                                 return;
2269                         }
2270
2271                         lock_driver();
2272                         if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
2273                                 Check_Idle_Call(pAdapter);
2274
2275                         pmap = dmamap_get(pAdapter);
2276                         HPT_ASSERT(pmap);
2277                         ccb->ccb_adapter = pmap;
2278                         memset((void *)pmap->psg, 0,  sizeof(pmap->psg));
2279
2280                         if (mWaitingForIdle(_VBUS_P0))
2281                                 hpt_queue_ccb(&pAdapter->pending_Q, ccb);
2282                         else
2283                                 OsSendCommand(_VBUS_P ccb);
2284                         unlock_driver();
2285
2286                         /* KdPrint(("leave scsiio\n")); */
2287                         break;
2288                 }
2289
2290                 case XPT_RESET_BUS:
2291                         KdPrint(("reset bus\n"));
2292                         lock_driver();
2293                         fResetVBus(_VBUS_P0);
2294                         unlock_driver();
2295                         xpt_done(ccb);
2296                         break;
2297
2298                 case XPT_RESET_DEV:     /* Bus Device Reset the specified SCSI device */
2299                 case XPT_EN_LUN:                /* Enable LUN as a target */
2300                 case XPT_TARGET_IO:             /* Execute target I/O request */
2301                 case XPT_ACCEPT_TARGET_IO:      /* Accept Host Target Mode CDB */
2302                 case XPT_CONT_TARGET_IO:        /* Continue Host Target I/O Connection*/
2303                 case XPT_ABORT:                 /* Abort the specified CCB */
2304                 case XPT_TERM_IO:               /* Terminate the I/O process */
2305                         /* XXX Implement */
2306                         ccb->ccb_h.status = CAM_REQ_INVALID;
2307                         xpt_done(ccb);
2308                         break;
2309
2310                 case XPT_GET_TRAN_SETTINGS:
2311                 case XPT_SET_TRAN_SETTINGS:
2312                         /* XXX Implement */
2313                         ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
2314                         xpt_done(ccb);
2315                         break;
2316
2317                 case XPT_CALC_GEOMETRY:
2318                 {
2319                         struct    ccb_calc_geometry *ccg;
2320                         u_int32_t size_mb;
2321                         u_int32_t secs_per_cylinder;
2322
2323                         ccg = &ccb->ccg;
2324                         size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size);
2325
2326                         if (size_mb > 1024 ) {
2327                                 ccg->heads = 255;
2328                                 ccg->secs_per_track = 63;
2329                         } else {
2330                                 ccg->heads = 64;
2331                                 ccg->secs_per_track = 32;
2332                         }
2333                         secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2334                         ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2335                         ccb->ccb_h.status = CAM_REQ_CMP;
2336                         xpt_done(ccb);
2337                         break;
2338                 }
2339
2340                 case XPT_PATH_INQ:              /* Path routing inquiry */
2341                 {
2342                         struct ccb_pathinq *cpi = &ccb->cpi;
2343
2344                         cpi->version_num = 1; /* XXX??? */
2345                         cpi->hba_inquiry = PI_SDTR_ABLE;
2346                         cpi->target_sprt = 0;
2347                         /* Not necessary to reset bus */
2348                         cpi->hba_misc = PIM_NOBUSRESET;
2349                         cpi->hba_eng_cnt = 0;
2350
2351                         cpi->max_target = MAX_VDEVICE_PER_VBUS;
2352                         cpi->max_lun = 0;
2353                         cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2354
2355                         cpi->bus_id = cam_sim_bus(sim);
2356                         cpi->base_transfer_speed = 3300;
2357                         strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2358                         strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2359                         strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2360                         cpi->unit_number = cam_sim_unit(sim);
2361                         cpi->transport = XPORT_SPI;
2362                         cpi->transport_version = 2;
2363                         cpi->protocol = PROTO_SCSI;
2364                         cpi->protocol_version = SCSI_REV_2;
2365                         cpi->ccb_h.status = CAM_REQ_CMP;
2366                         xpt_done(ccb);
2367                         break;
2368                 }
2369
2370                 default:
2371                         KdPrint(("invalid cmd\n"));
2372                         ccb->ccb_h.status = CAM_REQ_INVALID;
2373                         xpt_done(ccb);
2374                         break;
2375         }
2376         /* KdPrint(("leave hpt_action..............\n")); */
2377 }
2378
2379 /* shall be called at lock_driver() */
2380 static void
2381 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2382 {
2383         if(*ccb_Q == NULL)
2384                 ccb->ccb_h.ccb_ccb_ptr = ccb;
2385         else {
2386                 ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2387                 (*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2388         }
2389
2390         *ccb_Q = ccb;
2391 }
2392
2393 /* shall be called at lock_driver() */
2394 static void
2395 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2396 {
2397         union ccb *TempCCB;
2398
2399         TempCCB = *ccb_Q;
2400
2401         if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2402                 *ccb_Q = NULL;
2403         else {
2404                 while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2405                         TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2406
2407                 TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2408
2409                 if(*ccb_Q == ccb)
2410                         *ccb_Q = TempCCB;
2411         }
2412 }
2413
2414 #ifdef SUPPORT_ARRAY
2415 /***************************************************************************
2416  * Function:     hpt_worker_thread
2417  * Description:  Do background rebuilding. Execute in kernel thread context.
2418  * Returns:      None
2419  ***************************************************************************/
2420 static void hpt_worker_thread(void)
2421 {
2422         for(;;) {
2423                 while (DpcQueue_First!=DpcQueue_Last) {
2424                         ST_HPT_DPC p;
2425                         lock_driver();
2426                         p = DpcQueue[DpcQueue_First];
2427                         DpcQueue_First++;
2428                         DpcQueue_First %= MAX_DPC;
2429                         DPC_Request_Nums++;
2430                         unlock_driver();
2431                         p.dpc(p.pAdapter, p.arg, p.flags);
2432
2433                         lock_driver();
2434                         DPC_Request_Nums--;
2435                         /* since we may have prevented Check_Idle_Call, do it here */
2436                         if (DPC_Request_Nums==0) {
2437                                 if (p.pAdapter->outstandingCommands == 0) {
2438                                         _VBUS_INST(&p.pAdapter->VBus);
2439                                         Check_Idle_Call(p.pAdapter);
2440                                         CheckPendingCall(_VBUS_P0);
2441                                 }
2442                         }
2443                         unlock_driver();
2444
2445                         /*Schedule out*/
2446                         tsleep((caddr_t)hpt_worker_thread, 0, "sched", 1);
2447                         if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2448                                 /* abort rebuilding process. */
2449                                 IAL_ADAPTER_T *pAdapter;
2450                                 PVDevice      pArray;
2451                                 PVBus         _vbus_p;
2452                                 int i;
2453                                 pAdapter = gIal_Adapter;
2454
2455                                 while(pAdapter != NULL){
2456
2457                                         _vbus_p = &pAdapter->VBus;
2458
2459                                         for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2460                                         {
2461                                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2462                                                         continue;
2463                                                 else if (pArray->u.array.rf_rebuilding ||
2464                                                                 pArray->u.array.rf_verifying ||
2465                                                                 pArray->u.array.rf_initializing)
2466                                                         {
2467                                                                 pArray->u.array.rf_abort_rebuild = 1;
2468                                                         }
2469                                         }
2470                                         pAdapter = pAdapter->next;
2471                                 }
2472                         }
2473                 }
2474
2475 /*Remove this debug option*/
2476 /*
2477 #ifdef DEBUG
2478                 if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2479                         tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);
2480 #endif
2481 */
2482                 kproc_suspend_loop();
2483                 tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);  /* wait for something to do */
2484         }
2485 }
2486
2487 static struct kproc_desc hpt_kp = {
2488         "hpt_wt",
2489         hpt_worker_thread,
2490         &hptdaemonproc
2491 };
2492
2493 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2494 static void
2495 launch_worker_thread(void)
2496 {
2497         IAL_ADAPTER_T *pAdapTemp;
2498
2499         kproc_start(&hpt_kp);
2500
2501         for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2502
2503                 _VBUS_INST(&pAdapTemp->VBus)
2504                 int i;
2505                 PVDevice pVDev;
2506
2507                 for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2508                         if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2509                                 continue;
2510                         else{
2511                                 if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2512                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2513                                         (UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2514                         }
2515         }
2516 }
2517 /*
2518  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2519 */
2520
2521 #endif
2522
2523 /********************************************************************************/
2524
2525 int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2526 {
2527         union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2528         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2529         int idx;
2530
2531         if(logical) {
2532                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2533                         panic("physical address unsupported");
2534
2535                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2536                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2537                                 panic("physical address unsupported");
2538
2539                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2540                                 pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2541                                 pSg[idx].wSgSize = sgList[idx].ds_len;
2542                                 pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2543                         }
2544                 }
2545                 else {
2546                         pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2547                         pSg->wSgSize = ccb->csio.dxfer_len;
2548                         pSg->wSgFlag = SG_FLAG_EOT;
2549                 }
2550                 return TRUE;
2551         }
2552
2553         /* since we have provided physical sg, nobody will ask us to build physical sg */
2554         HPT_ASSERT(0);
2555         return FALSE;
2556 }
2557
2558 /*******************************************************************************/
2559 ULONG HPTLIBAPI
2560 GetStamp(void)
2561 {
2562         /*
2563          * the system variable, ticks, can't be used since it hasn't yet been active
2564          * when our driver starts (ticks==0, it's a invalid stamp value)
2565          */
2566         ULONG stamp;
2567         do { stamp = krandom(); } while (stamp==0);
2568         return stamp;
2569 }
2570
2571
2572 static void
2573 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2574 {
2575         int i;
2576         IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2577
2578         inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2579         inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2580 #ifndef SERIAL_CMDS
2581         inquiryData->CommandQueue = 1;
2582 #endif
2583
2584         switch(pVDev->VDeviceType) {
2585         case VD_SINGLE_DISK:
2586         case VD_ATAPI:
2587         case VD_REMOVABLE:
2588                 /* Set the removable bit, if applicable. */
2589                 if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2590                         inquiryData->RemovableMedia = 1;
2591
2592                 /* Fill in vendor identification fields. */
2593                 for (i = 0; i < 20; i += 2) {
2594                         inquiryData->VendorId[i]        = ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2595                         inquiryData->VendorId[i+1]      = ((PUCHAR)pIdentify->ModelNumber)[i];
2596
2597                 }
2598
2599                 /* Initialize unused portion of product id. */
2600                 for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2601
2602                 /* firmware revision */
2603                 for (i = 0; i < 4; i += 2)
2604                 {
2605                         inquiryData->ProductRevisionLevel[i]    = ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2606                         inquiryData->ProductRevisionLevel[i+1]  = ((PUCHAR)pIdentify->FirmwareRevision)[i];
2607                 }
2608                 break;
2609         default:
2610                 memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2611 #ifdef SUPPORT_ARRAY
2612                 switch(pVDev->VDeviceType){
2613                 case VD_RAID_0:
2614                         if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2615                                 (pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2616                                 memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2617                         else
2618                                 memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2619                         break;
2620                 case VD_RAID_1:
2621                         if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2622                                 (pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2623                                 memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2624                         else
2625                                 memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2626                         break;
2627                 case VD_RAID_5:
2628                         memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2629                         break;
2630                 case VD_JBOD:
2631                         memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2632                         break;
2633                 }
2634 #endif
2635                 memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2636                 break;
2637         }
2638 }
2639
2640 static void
2641 hpt_timeout(void *arg)
2642 {
2643         _VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2644         lock_driver();
2645         fResetVBus(_VBUS_P0);
2646         unlock_driver();
2647 }
2648
2649 static void
2650 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2651 {
2652         PCommand pCmd = (PCommand)arg;
2653         union ccb *ccb = pCmd->pOrgCommand;
2654         struct ccb_hdr *ccb_h = &ccb->ccb_h;
2655         PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2656         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2657         PVDevice        pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2658         FPSCAT_GATH psg = pCmd->pSgTable;
2659         int idx;
2660         _VBUS_INST(pVDev->pVBus)
2661
2662         HPT_ASSERT(pCmd->cf_physical_sg);
2663
2664         if (error || nsegs == 0)
2665                 panic("busdma error");
2666
2667         HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2668
2669         for (idx = 0; idx < nsegs; idx++, psg++) {
2670                 psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2671                 psg->wSgSize = segs[idx].ds_len;
2672                 psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2673 /*              KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2674         }
2675 /*      psg[-1].wSgFlag = SG_FLAG_EOT; */
2676
2677         if (pCmd->cf_data_in) {
2678                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2679         }
2680         else if (pCmd->cf_data_out) {
2681                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2682         }
2683
2684         callout_reset(&ccb->ccb_h.timeout_ch, 20*hz, hpt_timeout, ccb);
2685         pVDev->pfnSendCommand(_VBUS_P pCmd);
2686         CheckPendingCall(_VBUS_P0);
2687 }
2688
2689
2690
2691 static void HPTLIBAPI
2692 OsSendCommand(_VBUS_ARG union ccb *ccb)
2693 {
2694         PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2695         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2696         struct ccb_hdr *ccb_h = &ccb->ccb_h;
2697         struct ccb_scsiio *csio = &ccb->csio;
2698         PVDevice        pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2699
2700         KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2701                 ccb,
2702                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2703                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2704                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2705         ));
2706
2707         pAdapter->outstandingCommands++;
2708
2709         if (pVDev == NULL || pVDev->vf_online == 0) {
2710                 ccb->ccb_h.status = CAM_REQ_INVALID;
2711                 ccb_done(ccb);
2712                 goto Command_Complished;
2713         }
2714
2715         switch(ccb->csio.cdb_io.cdb_bytes[0])
2716         {
2717                 case TEST_UNIT_READY:
2718                 case START_STOP_UNIT:
2719                 case SYNCHRONIZE_CACHE:
2720                         /* FALLTHROUGH */
2721                         ccb->ccb_h.status = CAM_REQ_CMP;
2722                         break;
2723
2724                 case INQUIRY:
2725                         ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2726                         SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2727                         ccb_h->status = CAM_REQ_CMP;
2728                         break;
2729
2730                 case READ_CAPACITY:
2731                 {
2732                         UCHAR *rbuf=csio->data_ptr;
2733                         unsigned int cap;
2734
2735                         if (pVDev->VDeviceCapacity > 0xfffffffful) {
2736                                 cap = 0xfffffffful;
2737                         } else {
2738                                 cap = pVDev->VDeviceCapacity - 1;
2739                         }
2740
2741                         rbuf[0] = (UCHAR)(cap>>24);
2742                         rbuf[1] = (UCHAR)(cap>>16);
2743                         rbuf[2] = (UCHAR)(cap>>8);
2744                         rbuf[3] = (UCHAR)cap;
2745                         /* Claim 512 byte blocks (big-endian). */
2746                         rbuf[4] = 0;
2747                         rbuf[5] = 0;
2748                         rbuf[6] = 2;
2749                         rbuf[7] = 0;
2750
2751                         ccb_h->status = CAM_REQ_CMP;
2752                         break;
2753                 }
2754
2755                 case 0x9e: /*SERVICE_ACTION_IN*/
2756                 {
2757                         UCHAR *rbuf = csio->data_ptr;
2758                         LBA_T cap = pVDev->VDeviceCapacity - 1;
2759
2760                         rbuf[0] = (UCHAR)(cap>>56);
2761                         rbuf[1] = (UCHAR)(cap>>48);
2762                         rbuf[2] = (UCHAR)(cap>>40);
2763                         rbuf[3] = (UCHAR)(cap>>32);
2764                         rbuf[4] = (UCHAR)(cap>>24);
2765                         rbuf[5] = (UCHAR)(cap>>16);
2766                         rbuf[6] = (UCHAR)(cap>>8);
2767                         rbuf[7] = (UCHAR)cap;
2768                         rbuf[8] = 0;
2769                         rbuf[9] = 0;
2770                         rbuf[10] = 2;
2771                         rbuf[11] = 0;
2772
2773                         ccb_h->status = CAM_REQ_CMP;
2774                         break;
2775                 }
2776
2777                 case READ_6:
2778                 case WRITE_6:
2779                 case READ_10:
2780                 case WRITE_10:
2781                 case 0x88: /* READ_16 */
2782                 case 0x8a: /* WRITE_16 */
2783                 case 0x13:
2784                 case 0x2f:
2785                 {
2786                         UCHAR Cdb[16];
2787                         UCHAR CdbLength;
2788                         _VBUS_INST(pVDev->pVBus)
2789                         PCommand pCmd = AllocateCommand(_VBUS_P0);
2790                         HPT_ASSERT(pCmd);
2791
2792                         CdbLength = csio->cdb_len;
2793                         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2794                         {
2795                                 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2796                                 {
2797                                         bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2798                                 }
2799                                 else
2800                                 {
2801                                         KdPrintE(("ERROR!!!\n"));
2802                                         ccb->ccb_h.status = CAM_REQ_INVALID;
2803                                         break;
2804                                 }
2805                         }
2806                         else
2807                         {
2808                                 bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2809                         }
2810
2811                         pCmd->pOrgCommand = ccb;
2812                         pCmd->pVDevice = pVDev;
2813                         pCmd->pfnCompletion = fOsCommandDone;
2814                         pCmd->pfnBuildSgl = fOsBuildSgl;
2815                         pCmd->pSgTable = pmap->psg;
2816
2817                         switch (Cdb[0])
2818                         {
2819                                 case READ_6:
2820                                 case WRITE_6:
2821                                 case 0x13:
2822                                         pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2823                                         pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2824                                         break;
2825
2826                                 case 0x88: /* READ_16 */
2827                                 case 0x8a: /* WRITE_16 */
2828                                         pCmd->uCmd.Ide.Lba =
2829                                                 (HPT_U64)Cdb[2] << 56 |
2830                                                 (HPT_U64)Cdb[3] << 48 |
2831                                                 (HPT_U64)Cdb[4] << 40 |
2832                                                 (HPT_U64)Cdb[5] << 32 |
2833                                                 (HPT_U64)Cdb[6] << 24 |
2834                                                 (HPT_U64)Cdb[7] << 16 |
2835                                                 (HPT_U64)Cdb[8] << 8 |
2836                                                 (HPT_U64)Cdb[9];
2837                                         pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2838                                         break;
2839
2840                                 default:
2841                                         pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2842                                         pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2843                                         break;
2844                         }
2845
2846                         switch (Cdb[0])
2847                         {
2848                                 case READ_6:
2849                                 case READ_10:
2850                                 case 0x88: /* READ_16 */
2851                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2852                                         pCmd->cf_data_in = 1;
2853                                         break;
2854
2855                                 case WRITE_6:
2856                                 case WRITE_10:
2857                                 case 0x8a: /* WRITE_16 */
2858                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2859                                         pCmd->cf_data_out = 1;
2860                                         break;
2861                                 case 0x13:
2862                                 case 0x2f:
2863                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2864                                         break;
2865                         }
2866 /*///////////////////////// */
2867                         if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2868                                 int idx;
2869                                 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2870
2871                                 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2872                                         pCmd->cf_physical_sg = 1;
2873
2874                                 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2875                                         pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2876                                         pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2877                                         pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2878                                 }
2879
2880                                 callout_reset(&ccb->ccb_h.timeout_ch, 20*hz, hpt_timeout, ccb);
2881                                 pVDev->pfnSendCommand(_VBUS_P pCmd);
2882                         }
2883                         else {
2884                                 int error;
2885                                 pCmd->cf_physical_sg = 1;
2886                                 error = bus_dmamap_load(pAdapter->io_dma_parent,
2887                                                         pmap->dma_map,
2888                                                         ccb->csio.data_ptr, ccb->csio.dxfer_len,
2889                                                         hpt_io_dmamap_callback, pCmd,
2890                                                         BUS_DMA_WAITOK
2891                                                 );
2892                                 KdPrint(("bus_dmamap_load return %d\n", error));
2893                                 if (error && error!=EINPROGRESS) {
2894                                         hpt_printk(("bus_dmamap_load error %d\n", error));
2895                                         FreeCommand(_VBUS_P pCmd);
2896                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2897                                         dmamap_put(pmap);
2898                                         pAdapter->outstandingCommands--;
2899                                         xpt_done(ccb);
2900                                 }
2901                         }
2902                         goto Command_Complished;
2903                 }
2904
2905                 default:
2906                         ccb->ccb_h.status = CAM_REQ_INVALID;
2907                         break;
2908         }
2909         ccb_done(ccb);
2910 Command_Complished:
2911         CheckPendingCall(_VBUS_P0);
2912         return;
2913 }
2914
2915 static void HPTLIBAPI
2916 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2917 {
2918         union ccb *ccb = pCmd->pOrgCommand;
2919         PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2920         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2921
2922         KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2923
2924         callout_stop(&ccb->ccb_h.timeout_ch);
2925
2926         switch(pCmd->Result) {
2927         case RETURN_SUCCESS:
2928                 ccb->ccb_h.status = CAM_REQ_CMP;
2929                 break;
2930         case RETURN_BAD_DEVICE:
2931                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2932                 break;
2933         case RETURN_DEVICE_BUSY:
2934                 ccb->ccb_h.status = CAM_BUSY;
2935                 break;
2936         case RETURN_INVALID_REQUEST:
2937                 ccb->ccb_h.status = CAM_REQ_INVALID;
2938                 break;
2939         case RETURN_SELECTION_TIMEOUT:
2940                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2941                 break;
2942         case RETURN_RETRY:
2943                 ccb->ccb_h.status = CAM_BUSY;
2944                 break;
2945         default:
2946                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2947                 break;
2948         }
2949
2950         if (pCmd->cf_data_in) {
2951                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2952         }
2953         else if (pCmd->cf_data_in) {
2954                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2955         }
2956
2957         bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2958
2959         FreeCommand(_VBUS_P pCmd);
2960         ccb_done(ccb);
2961 }
2962
2963 int
2964 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2965 {
2966         int p;
2967
2968         p = (DpcQueue_Last + 1) % MAX_DPC;
2969         if (p==DpcQueue_First) {
2970                 KdPrint(("DPC Queue full!\n"));
2971                 return -1;
2972         }
2973
2974         DpcQueue[DpcQueue_Last].dpc = dpc;
2975         DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2976         DpcQueue[DpcQueue_Last].arg = arg;
2977         DpcQueue[DpcQueue_Last].flags = flags;
2978         DpcQueue_Last = p;
2979
2980         return 0;
2981 }
2982
2983 #ifdef _RAID5N_
2984 /*
2985  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2986  * How about the memory for 5081 request/response array and PRD table?
2987  */
2988 void
2989 *os_alloc_page(_VBUS_ARG0)
2990 {
2991         return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2992 }
2993
2994 void
2995 *os_alloc_dma_page(_VBUS_ARG0)
2996 {
2997         return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2998 }
2999
3000 void
3001 os_free_page(_VBUS_ARG void *p)
3002 {
3003         contigfree(p, 0x1000, M_DEVBUF);
3004 }
3005
3006 void
3007 os_free_dma_page(_VBUS_ARG void *p)
3008 {
3009         contigfree(p, 0x1000, M_DEVBUF);
3010 }
3011
3012 void
3013 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
3014 {
3015         UINT i;
3016         for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3017 }
3018
3019 void
3020 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3021 {
3022         UINT i;
3023         for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3024 }
3025 #endif