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 1.26 2012/06/01 04:34:49 eadler 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         DEVMETHOD_END
  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, NULL, NULL);
 103 MODULE_DEPEND(PROC_DIR_NAME, cam, 1, 1, 1);
 104
 105 #define ccb_ccb_ptr spriv_ptr0
 106 #define ccb_adapter ccb_h.spriv_ptr1
 107
 108 static void SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev);
 109 static void HPTLIBAPI OsSendCommand (_VBUS_ARG union ccb * ccb);
 110 static void HPTLIBAPI fOsCommandDone(_VBUS_ARG PCommand pCmd);
 111 static void ccb_done(union ccb *ccb);
 112 static void hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb);
 113 static void hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb);
 114 static void     hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter);
 115 static void     hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 116 static void     handleEdmaError(_VBUS_ARG PCommand pCmd);
 117 static int      hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 118 static int      fResetActiveCommands(PVBus _vbus_p);
 119 static void     fRegisterVdevice(IAL_ADAPTER_T *pAdapter);
 120 static int      hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter);
 121 static void     hptmv_handle_event_disconnect(void *data);
 122 static void     hptmv_handle_event_connect(void *data);
 123 static int      start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum);
 124 static void     init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel);
 125 static int      hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel);
 126 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg,
 127     int logical);
 128 static MV_BOOLEAN CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
 129     MV_U8 channelNum, MV_COMPLETION_TYPE comp_type, MV_VOID_PTR commandId,
 130     MV_U16 responseFlags, MV_U32 timeStamp,
 131     MV_STORAGE_DEVICE_REGISTERS *registerStruct);
 132 static MV_BOOLEAN hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter,
 133     MV_EVENT_TYPE eventType, MV_U32 param1, MV_U32 param2);
 134
 135 #define ccb_ccb_ptr spriv_ptr0
 136 #define ccb_adapter ccb_h.spriv_ptr1
 137
 138 IAL_ADAPTER_T *gIal_Adapter = NULL;
 139 IAL_ADAPTER_T *pCurAdapter = NULL;
 140 static MV_SATA_CHANNEL gMvSataChannels[MAX_VBUS][MV_SATA_CHANNELS_NUM];
 141
 142 typedef struct st_HPT_DPC {
 143         IAL_ADAPTER_T *pAdapter;
 144         void (*dpc)(IAL_ADAPTER_T *, void *, UCHAR);
 145         void *arg;
 146         UCHAR flags;
 147 } ST_HPT_DPC;
 148
 149 #define MAX_DPC 16
 150 UCHAR DPC_Request_Nums = 0;
 151 static ST_HPT_DPC DpcQueue[MAX_DPC];
 152 static int DpcQueue_First=0;
 153 static int DpcQueue_Last = 0;
 154
 155 char DRIVER_VERSION[] = "v1.16";
 156
 157 static struct lock driver_lock;
 158 void lock_driver(void)
 159 {
 160         lockmgr(&driver_lock, LK_EXCLUSIVE);
 161 }
 162 void unlock_driver(void)
 163 {
 164         lockmgr(&driver_lock, LK_RELEASE);
 165 }
 166
 167 /*******************************************************************************
 168  *      Name:   hptmv_free_channel
 169  *
 170  *      Description:    free allocated queues for the given channel
 171  *
 172  *      Parameters:     pMvSataAdapter - pointer to the RR18xx controler this
 173  *                                      channel connected to.
 174  *                      channelNum - channel number.
 175  *
 176  ******************************************************************************/
 177 static void
 178 hptmv_free_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 179 {
 180         HPT_ASSERT(channelNum < MV_SATA_CHANNELS_NUM);
 181         pAdapter->mvSataAdapter.sataChannel[channelNum] = NULL;
 182 }
 183
 184 static void failDevice(PVDevice pVDev)
 185 {
 186         PVBus _vbus_p = pVDev->pVBus;
 187         IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)_vbus_p->OsExt;
 188
 189         pVDev->u.disk.df_on_line = 0;
 190         pVDev->vf_online = 0;
 191         if (pVDev->pfnDeviceFailed)
 192                 CallWhenIdle(_VBUS_P (DPC_PROC)pVDev->pfnDeviceFailed, pVDev);
 193
 194         fNotifyGUI(ET_DEVICE_REMOVED, pVDev);
 195
 196 #ifndef FOR_DEMO
 197         if (pAdapter->ver_601==2 && !pAdapter->beeping) {
 198                 pAdapter->beeping = 1;
 199                 BeepOn(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 200                 set_fail_led(&pAdapter->mvSataAdapter, pVDev->u.disk.mv->channelNumber, 1);
 201         }
 202 #endif
 203 }
 204
 205 int MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel);
 206
 207 static void
 208 handleEdmaError(_VBUS_ARG PCommand pCmd)
 209 {
 210         PDevice pDevice = &pCmd->pVDevice->u.disk;
 211         MV_SATA_ADAPTER * pSataAdapter = pDevice->mv->mvSataAdapter;
 212
 213         if (!pDevice->df_on_line) {
 214                 KdPrint(("Device is offline"));
 215                 pCmd->Result = RETURN_BAD_DEVICE;
 216                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
 217                 return;
 218         }
 219
 220         if (pCmd->RetryCount++>5) {
 221                 hpt_printk(("too many retries on channel(%d)\n", pDevice->mv->channelNumber));
 222 failed:
 223                 failDevice(pCmd->pVDevice);
 224                 pCmd->Result = RETURN_IDE_ERROR;
 225                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
 226                 return;
 227         }
 228
 229         /* reset the channel and retry the command */
 230         if (MvSataResetChannel(pSataAdapter, pDevice->mv->channelNumber))
 231                 goto failed;
 232
 233         fNotifyGUI(ET_DEVICE_ERROR, Map2pVDevice(pDevice));
 234
 235         hpt_printk(("Retry on channel(%d)\n", pDevice->mv->channelNumber));
 236         fDeviceSendCommand(_VBUS_P pCmd);
 237 }
 238
 239 /****************************************************************
 240  *      Name:   hptmv_init_channel
 241  *
 242  *      Description:    allocate request and response queues for the EDMA of the
 243  *                                      given channel and sets other fields.
 244  *
 245  *      Parameters:
 246  *              pAdapter - pointer to the emulated adapter data structure
 247  *              channelNum - channel number.
 248  *      Return: 0 on success, otherwise on failure
 249  ****************************************************************/
 250 static int
 251 hptmv_init_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 252 {
 253         MV_SATA_CHANNEL *pMvSataChannel;
 254         dma_addr_t    req_dma_addr;
 255         dma_addr_t    rsp_dma_addr;
 256
 257         if (channelNum >= MV_SATA_CHANNELS_NUM)
 258         {
 259                 MV_ERROR("RR18xx[%d]: Bad channelNum=%d",
 260                                  pAdapter->mvSataAdapter.adapterId, channelNum);
 261                 return -1;
 262         }
 263
 264         pMvSataChannel = &gMvSataChannels[pAdapter->mvSataAdapter.adapterId][channelNum];
 265         pAdapter->mvSataAdapter.sataChannel[channelNum] = pMvSataChannel;
 266         pMvSataChannel->channelNumber = channelNum;
 267         pMvSataChannel->lba48Address = MV_FALSE;
 268         pMvSataChannel->maxReadTransfer = MV_FALSE;
 269
 270         pMvSataChannel->requestQueue = (struct mvDmaRequestQueueEntry *)
 271                                                                    (pAdapter->requestsArrayBaseAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE));
 272         req_dma_addr = pAdapter->requestsArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_REQUEST_QUEUE_SIZE);
 273
 274
 275         KdPrint(("requestQueue addr is 0x%llX", (HPT_U64)(ULONG_PTR)req_dma_addr));
 276
 277         /* check the 1K alignment of the request queue*/
 278         if (req_dma_addr & 0x3ff)
 279         {
 280                 MV_ERROR("RR18xx[%d]: request queue allocated isn't 1 K aligned,"
 281                                  " dma_addr=%llx channel=%d\n", pAdapter->mvSataAdapter.adapterId,
 282                                  (HPT_U64)(ULONG_PTR)req_dma_addr, channelNum);
 283                 return -1;
 284         }
 285         pMvSataChannel->requestQueuePciLowAddress = req_dma_addr;
 286         pMvSataChannel->requestQueuePciHiAddress = 0;
 287         KdPrint(("RR18xx[%d,%d]: request queue allocated: 0x%p",
 288                           pAdapter->mvSataAdapter.adapterId, channelNum,
 289                           pMvSataChannel->requestQueue));
 290         pMvSataChannel->responseQueue = (struct mvDmaResponseQueueEntry *)
 291                                                                         (pAdapter->responsesArrayBaseAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE));
 292         rsp_dma_addr = pAdapter->responsesArrayBaseDmaAlignedAddr + (channelNum * MV_EDMA_RESPONSE_QUEUE_SIZE);
 293
 294         /* check the 256 alignment of the response queue*/
 295         if (rsp_dma_addr & 0xff)
 296         {
 297                 MV_ERROR("RR18xx[%d,%d]: response queue allocated isn't 256 byte "
 298                                  "aligned, dma_addr=%llx\n",
 299                                  pAdapter->mvSataAdapter.adapterId, channelNum, (HPT_U64)(ULONG_PTR)rsp_dma_addr);
 300                 return -1;
 301         }
 302         pMvSataChannel->responseQueuePciLowAddress = rsp_dma_addr;
 303         pMvSataChannel->responseQueuePciHiAddress = 0;
 304         KdPrint(("RR18xx[%d,%d]: response queue allocated: 0x%p",
 305                           pAdapter->mvSataAdapter.adapterId, channelNum,
 306                           pMvSataChannel->responseQueue));
 307
 308         pAdapter->mvChannel[channelNum].online = MV_TRUE;
 309         return 0;
 310 }
 311
 312 /******************************************************************************
 313  *      Name: hptmv_parse_identify_results
 314  *
 315  *      Description:    this functions parses the identify command results, checks
 316  *                                      that the connected deives can be accesed by RR18xx EDMA,
 317  *                                      and updates the channel stucture accordingly.
 318  *
 319  *      Parameters:     pMvSataChannel, pointer to the channel data structure.
 320  *
 321  *      Returns:        =0 ->success, < 0 ->failure.
 322  *
 323  ******************************************************************************/
 324 static int
 325 hptmv_parse_identify_results(MV_SATA_CHANNEL *pMvSataChannel)
 326 {
 327         MV_U16  *iden = pMvSataChannel->identifyDevice;
 328
 329         /*LBA addressing*/
 330         if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x200))
 331         {
 332                 KdPrint(("IAL Error in IDENTIFY info: LBA not supported\n"));
 333                 return -1;
 334         }
 335         else
 336         {
 337                 KdPrint(("%25s - %s\n", "Capabilities", "LBA supported"));
 338         }
 339         /*DMA support*/
 340         if (! (iden[IDEN_CAPACITY_1_OFFSET] & 0x100))
 341         {
 342                 KdPrint(("IAL Error in IDENTIFY info: DMA not supported\n"));
 343                 return -1;
 344         }
 345         else
 346         {
 347                 KdPrint(("%25s - %s\n", "Capabilities", "DMA supported"));
 348         }
 349         /* PIO */
 350         if ((iden[IDEN_VALID] & 2) == 0)
 351         {
 352                 KdPrint(("IAL Error in IDENTIFY info: not able to find PIO mode\n"));
 353                 return -1;
 354         }
 355         KdPrint(("%25s - 0x%02x\n", "PIO modes supported",
 356                           iden[IDEN_PIO_MODE_SPPORTED] & 0xff));
 357
 358         /*UDMA*/
 359         if ((iden[IDEN_VALID] & 4) == 0)
 360         {
 361                 KdPrint(("IAL Error in IDENTIFY info: not able to find UDMA mode\n"));
 362                 return -1;
 363         }
 364
 365         /* 48 bit address */
 366         if ((iden[IDEN_SUPPORTED_COMMANDS2] & 0x400))
 367         {
 368                 KdPrint(("%25s - %s\n", "LBA48 addressing", "supported"));
 369                 pMvSataChannel->lba48Address = MV_TRUE;
 370         }
 371         else
 372         {
 373                 KdPrint(("%25s - %s\n", "LBA48 addressing", "Not supported"));
 374                 pMvSataChannel->lba48Address = MV_FALSE;
 375         }
 376         return 0;
 377 }
 378
 379 static void
 380 init_vdev_params(IAL_ADAPTER_T *pAdapter, MV_U8 channel)
 381 {
 382         PVDevice pVDev = &pAdapter->VDevices[channel];
 383         MV_SATA_CHANNEL *pMvSataChannel = pAdapter->mvSataAdapter.sataChannel[channel];
 384         MV_U16_PTR IdentifyData = pMvSataChannel->identifyDevice;
 385
 386         pMvSataChannel->outstandingCommands = 0;
 387
 388         pVDev->u.disk.mv         = pMvSataChannel;
 389         pVDev->u.disk.df_on_line = 1;
 390         pVDev->u.disk.pVBus      = &pAdapter->VBus;
 391         pVDev->pVBus             = &pAdapter->VBus;
 392
 393 #ifdef SUPPORT_48BIT_LBA
 394         if (pMvSataChannel->lba48Address == MV_TRUE)
 395                 pVDev->u.disk.dDeRealCapacity = ((IdentifyData[101]<<16) | IdentifyData[100]) - 1;
 396         else
 397 #endif
 398         if(IdentifyData[53] & 1) {
 399         pVDev->u.disk.dDeRealCapacity =
 400           (((IdentifyData[58]<<16 | IdentifyData[57]) < (IdentifyData[61]<<16 | IdentifyData[60])) ?
 401                   (IdentifyData[61]<<16 | IdentifyData[60]) :
 402                                 (IdentifyData[58]<<16 | IdentifyData[57])) - 1;
 403         } else
 404                 pVDev->u.disk.dDeRealCapacity =
 405                                  (IdentifyData[61]<<16 | IdentifyData[60]) - 1;
 406
 407         pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
 408                 pAdapter->mvChannel[channel].maxPioModeSupported - MV_ATA_TRANSFER_PIO_0;
 409
 410         if (pAdapter->mvChannel[channel].maxUltraDmaModeSupported!=0xFF) {
 411                 pVDev->u.disk.bDeUsable_Mode = pVDev->u.disk.bDeModeSetting =
 412                         pAdapter->mvChannel[channel].maxUltraDmaModeSupported - MV_ATA_TRANSFER_UDMA_0 + 8;
 413         }
 414 }
 415
 416 static void device_change(IAL_ADAPTER_T *pAdapter , MV_U8 channelIndex, int plugged)
 417 {
 418         PVDevice pVDev;
 419         MV_SATA_ADAPTER  *pMvSataAdapter = &pAdapter->mvSataAdapter;
 420         MV_SATA_CHANNEL  *pMvSataChannel = pMvSataAdapter->sataChannel[channelIndex];
 421
 422         if (!pMvSataChannel) return;
 423
 424         if (plugged)
 425         {
 426                 pVDev = &(pAdapter->VDevices[channelIndex]);
 427                 init_vdev_params(pAdapter, channelIndex);
 428
 429                 pVDev->VDeviceType = pVDev->u.disk.df_atapi? VD_ATAPI :
 430                         pVDev->u.disk.df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
 431
 432                 pVDev->VDeviceCapacity = pVDev->u.disk.dDeRealCapacity-SAVE_FOR_RAID_INFO;
 433                 pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
 434                 pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
 435                 pVDev->vf_online = 1;
 436
 437 #ifdef SUPPORT_ARRAY
 438                 if(pVDev->pParent)
 439                 {
 440                         int iMember;
 441                         for(iMember = 0; iMember <      pVDev->pParent->u.array.bArnMember; iMember++)
 442                                 if((PVDevice)pVDev->pParent->u.array.pMember[iMember] == pVDev)
 443                                         pVDev->pParent->u.array.pMember[iMember] = NULL;
 444                         pVDev->pParent = NULL;
 445                 }
 446 #endif
 447                 fNotifyGUI(ET_DEVICE_PLUGGED,pVDev);
 448                 fCheckBootable(pVDev);
 449                 RegisterVDevice(pVDev);
 450
 451 #ifndef FOR_DEMO
 452                 if (pAdapter->beeping) {
 453                         pAdapter->beeping = 0;
 454                         BeepOff(pAdapter->mvSataAdapter.adapterIoBaseAddress);
 455                 }
 456 #endif
 457
 458         }
 459         else
 460         {
 461                 pVDev  = &(pAdapter->VDevices[channelIndex]);
 462                 failDevice(pVDev);
 463         }
 464 }
 465
 466 static int
 467 start_channel(IAL_ADAPTER_T *pAdapter, MV_U8 channelNum)
 468 {
 469         MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
 470         MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channelNum];
 471         MV_CHANNEL              *pChannelInfo = &(pAdapter->mvChannel[channelNum]);
 472         MV_U32          udmaMode,pioMode;
 473
 474         KdPrint(("RR18xx [%d]: start channel (%d)", pMvSataAdapter->adapterId,
 475                          channelNum));
 476
 477
 478         /* Software reset channel */
 479         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 480         {
 481                 MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
 482                                  pMvSataAdapter->adapterId, channelNum);
 483                 return -1;
 484         }
 485
 486         /* Hardware reset channel */
 487         if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 488         {
 489                 /* If failed, try again - this is when trying to hardreset a channel */
 490                 /* when drive is just spinning up */
 491                 StallExec(5000000); /* wait 5 sec before trying again */
 492                 if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 493                 {
 494                         MV_ERROR("RR18xx [%d,%d]: failed to perform Hard reset\n",
 495                                          pMvSataAdapter->adapterId, channelNum);
 496                         return -1;
 497                 }
 498         }
 499
 500         /* identify device*/
 501         if (mvStorageDevATAIdentifyDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 502         {
 503                 MV_ERROR("RR18xx [%d,%d]: failed to perform ATA Identify command\n"
 504                                  , pMvSataAdapter->adapterId, channelNum);
 505                 return -1;
 506         }
 507         if (hptmv_parse_identify_results(pMvSataChannel))
 508         {
 509                 MV_ERROR("RR18xx [%d,%d]: Error in parsing ATA Identify message\n"
 510                                  , pMvSataAdapter->adapterId, channelNum);
 511                 return -1;
 512         }
 513
 514         /* mvStorageDevATASetFeatures */
 515         /* Disable 8 bit PIO in case CFA enabled */
 516         if (pMvSataChannel->identifyDevice[86] & 4)
 517         {
 518                 KdPrint(("RR18xx [%d]: Disable 8 bit PIO (CFA enabled) \n",
 519                                   pMvSataAdapter->adapterId));
 520                 if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 521                                                                            MV_ATA_SET_FEATURES_DISABLE_8_BIT_PIO, 0,
 522                                                                            0, 0, 0) == MV_FALSE)
 523                 {
 524                         MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures"
 525                                          " failed\n", pMvSataAdapter->adapterId, channelNum);
 526                         return -1;
 527                 }
 528         }
 529         /* Write cache */
 530 #ifdef ENABLE_WRITE_CACHE
 531         if (pMvSataChannel->identifyDevice[82] & 0x20)
 532         {
 533                 if (!(pMvSataChannel->identifyDevice[85] & 0x20)) /* if not enabled by default */
 534                 {
 535                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 536                                                                                    MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0,
 537                                                                                    0, 0, 0) == MV_FALSE)
 538                         {
 539                                 MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
 540                                                  pMvSataAdapter->adapterId, channelNum);
 541                                 return -1;
 542                         }
 543                 }
 544                 KdPrint(("RR18xx [%d]: channel %d, write cache enabled\n",
 545                                   pMvSataAdapter->adapterId, channelNum));
 546         }
 547         else
 548         {
 549                 KdPrint(("RR18xx [%d]: channel %d, write cache not supported\n",
 550                                   pMvSataAdapter->adapterId, channelNum));
 551         }
 552 #else /* disable write cache */
 553         {
 554                 if (pMvSataChannel->identifyDevice[85] & 0x20)
 555                 {
 556                         KdPrint(("RR18xx [%d]: channel =%d, disable write cache\n",
 557                                           pMvSataAdapter->adapterId, channelNum));
 558                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 559                                                                                    MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0,
 560                                                                                    0, 0, 0) == MV_FALSE)
 561                         {
 562                                 MV_ERROR("RR18xx [%d]: channel %d: mvStorageDevATASetFeatures failed\n",
 563                                                  pMvSataAdapter->adapterId, channelNum);
 564                                 return -1;
 565                         }
 566                 }
 567                 KdPrint(("RR18xx [%d]: channel=%d, write cache disabled\n",
 568                                   pMvSataAdapter->adapterId, channelNum));
 569         }
 570 #endif
 571
 572         /* Set transfer mode */
 573         KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_SLOW\n",
 574                           pMvSataAdapter->adapterId));
 575         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 576                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 577                                                                    MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) ==
 578                 MV_FALSE)
 579         {
 580                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 581                                  pMvSataAdapter->adapterId, channelNum);
 582                 return -1;
 583         }
 584
 585         if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 1)
 586         {
 587                 pioMode = MV_ATA_TRANSFER_PIO_4;
 588         }
 589         else if (pMvSataChannel->identifyDevice[IDEN_PIO_MODE_SPPORTED] & 2)
 590         {
 591                 pioMode = MV_ATA_TRANSFER_PIO_3;
 592         }
 593         else
 594         {
 595                 MV_ERROR("IAL Error in IDENTIFY info: PIO modes 3 and 4 not supported\n");
 596                 pioMode = MV_ATA_TRANSFER_PIO_SLOW;
 597         }
 598
 599         KdPrint(("RR18xx [%d] Set transfer mode XFER_PIO_4\n",
 600                           pMvSataAdapter->adapterId));
 601         pAdapter->mvChannel[channelNum].maxPioModeSupported = pioMode;
 602         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 603                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 604                                                                    pioMode, 0, 0, 0) == MV_FALSE)
 605         {
 606                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 607                                  pMvSataAdapter->adapterId, channelNum);
 608                 return -1;
 609         }
 610
 611         udmaMode = MV_ATA_TRANSFER_UDMA_0;
 612         if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x40)
 613         {
 614                 udmaMode =  MV_ATA_TRANSFER_UDMA_6;
 615         }
 616         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x20)
 617         {
 618                 udmaMode =  MV_ATA_TRANSFER_UDMA_5;
 619         }
 620         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 0x10)
 621         {
 622                 udmaMode =  MV_ATA_TRANSFER_UDMA_4;
 623         }
 624         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 8)
 625         {
 626                 udmaMode =  MV_ATA_TRANSFER_UDMA_3;
 627         }
 628         else if (pMvSataChannel->identifyDevice[IDEN_UDMA_MODE] & 4)
 629         {
 630                 udmaMode =  MV_ATA_TRANSFER_UDMA_2;
 631         }
 632
 633         KdPrint(("RR18xx [%d] Set transfer mode XFER_UDMA_%d\n",
 634                           pMvSataAdapter->adapterId, udmaMode & 0xf));
 635         pChannelInfo->maxUltraDmaModeSupported = udmaMode;
 636
 637         /*if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 638                                                                    MV_ATA_SET_FEATURES_TRANSFER, udmaMode,
 639                                                                    0, 0, 0) == MV_FALSE)
 640         {
 641                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 642                                  pMvSataAdapter->adapterId, channelNum);
 643                 return -1;
 644         }*/
 645         if (pChannelInfo->maxUltraDmaModeSupported == 0xFF)
 646                 return TRUE;
 647         else
 648                 do
 649                 {
 650                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 651                                                                    MV_ATA_SET_FEATURES_TRANSFER,
 652                                                                    pChannelInfo->maxUltraDmaModeSupported,
 653                                                                    0, 0, 0) == MV_FALSE)
 654                         {
 655                                 if (pChannelInfo->maxUltraDmaModeSupported > MV_ATA_TRANSFER_UDMA_0)
 656                                 {
 657                                         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 658                                         {
 659                                                 MV_REG_WRITE_BYTE(pMvSataAdapter->adapterIoBaseAddress,
 660                                                                                   pMvSataChannel->eDmaRegsOffset +
 661                                                                                   0x11c, /* command reg */
 662                                                                                   MV_ATA_COMMAND_IDLE_IMMEDIATE);
 663                                                 mvMicroSecondsDelay(10000);
 664                                                 mvSataChannelHardReset(pMvSataAdapter, channelNum);
 665                                                 if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channelNum) == MV_FALSE)
 666                                                         return FALSE;
 667                                         }
 668                                         if (mvSataChannelHardReset(pMvSataAdapter, channelNum) == MV_FALSE)
 669                                                 return FALSE;
 670                                         pChannelInfo->maxUltraDmaModeSupported--;
 671                                         continue;
 672                                 }
 673                                 else   return FALSE;
 674                         }
 675                         break;
 676                 }while (1);
 677
 678         /* Read look ahead */
 679 #ifdef ENABLE_READ_AHEAD
 680         if (pMvSataChannel->identifyDevice[82] & 0x40)
 681         {
 682                 if (!(pMvSataChannel->identifyDevice[85] & 0x40)) /* if not enabled by default */
 683                 {
 684                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 685                                                                                    MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0,
 686                                                                                    0, 0) == MV_FALSE)
 687                         {
 688                                 MV_ERROR("RR18xx [%d] channel %d: Set Features failed\n",
 689                                                  pMvSataAdapter->adapterId, channelNum);
 690                                 return -1;
 691                         }
 692                 }
 693                 KdPrint(("RR18xx [%d]: channel=%d, read look ahead enabled\n",
 694                                   pMvSataAdapter->adapterId, channelNum));
 695         }
 696         else
 697         {
 698                 KdPrint(("RR18xx [%d]: channel %d, Read Look Ahead not supported\n",
 699                                   pMvSataAdapter->adapterId, channelNum));
 700         }
 701 #else
 702         {
 703                 if (pMvSataChannel->identifyDevice[86] & 0x20)
 704                 {
 705                         KdPrint(("RR18xx [%d]:channel %d, disable read look ahead\n",
 706                                           pMvSataAdapter->adapterId, channelNum));
 707                         if (mvStorageDevATASetFeatures(pMvSataAdapter, channelNum,
 708                                                                                    MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0,
 709                                                                                    0, 0) == MV_FALSE)
 710                         {
 711                                 MV_ERROR("RR18xx [%d]:channel %d:  ATA Set Features failed\n",
 712                                                  pMvSataAdapter->adapterId, channelNum);
 713                                 return -1;
 714                         }
 715                 }
 716                 KdPrint(("RR18xx [%d]:channel %d, read look ahead disabled\n",
 717                                   pMvSataAdapter->adapterId, channelNum));
 718         }
 719 #endif
 720
 721
 722         {
 723                 KdPrint(("RR18xx [%d]: channel %d config EDMA, Non Queued Mode\n",
 724                                   pMvSataAdapter->adapterId,
 725                                   channelNum));
 726                 if (mvSataConfigEdmaMode(pMvSataAdapter, channelNum,
 727                                                                  MV_EDMA_MODE_NOT_QUEUED, 0) == MV_FALSE)
 728                 {
 729                         MV_ERROR("RR18xx [%d] channel %d Error: mvSataConfigEdmaMode failed\n",
 730                                          pMvSataAdapter->adapterId, channelNum);
 731                         return -1;
 732                 }
 733         }
 734         /* Enable EDMA */
 735         if (mvSataEnableChannelDma(pMvSataAdapter, channelNum) == MV_FALSE)
 736         {
 737                 MV_ERROR("RR18xx [%d] Failed to enable DMA, channel=%d\n",
 738                                  pMvSataAdapter->adapterId, channelNum);
 739                 return -1;
 740         }
 741         MV_ERROR("RR18xx [%d,%d]: channel started successfully\n",
 742                          pMvSataAdapter->adapterId, channelNum);
 743
 744 #ifndef FOR_DEMO
 745         set_fail_led(pMvSataAdapter, channelNum, 0);
 746 #endif
 747         return 0;
 748 }
 749
 750 static void
 751 hptmv_handle_event(void * data, int flag)
 752 {
 753         IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)data;
 754         MV_SATA_ADAPTER *pMvSataAdapter = &pAdapter->mvSataAdapter;
 755         MV_U8           channelIndex;
 756
 757 /*      mvOsSemTake(&pMvSataAdapter->semaphore); */
 758         for (channelIndex = 0; channelIndex < MV_SATA_CHANNELS_NUM; channelIndex++)
 759         {
 760                 switch(pAdapter->sataEvents[channelIndex])
 761                 {
 762                         case SATA_EVENT_CHANNEL_CONNECTED:
 763                                 /* Handle only connects */
 764                                 if (flag == 1)
 765                                         break;
 766                                 KdPrint(("RR18xx [%d,%d]: new device connected\n",
 767                                                  pMvSataAdapter->adapterId, channelIndex));
 768                                 hptmv_init_channel(pAdapter, channelIndex);
 769                                 if (mvSataConfigureChannel( pMvSataAdapter, channelIndex) == MV_FALSE)
 770                                 {
 771                                         MV_ERROR("RR18xx [%d,%d] Failed to configure\n",
 772                                                          pMvSataAdapter->adapterId, channelIndex);
 773                                         hptmv_free_channel(pAdapter, channelIndex);
 774                                 }
 775                                 else
 776                                 {
 777                                         /*mvSataChannelHardReset(pMvSataAdapter, channel);*/
 778                                         if (start_channel( pAdapter, channelIndex))
 779                                         {
 780                                                 MV_ERROR("RR18xx [%d,%d]Failed to start channel\n",
 781                                                                  pMvSataAdapter->adapterId, channelIndex);
 782                                                 hptmv_free_channel(pAdapter, channelIndex);
 783                                         }
 784                                         else
 785                                         {
 786                                                 device_change(pAdapter, channelIndex, TRUE);
 787                                         }
 788                                 }
 789                                 pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
 790                            break;
 791
 792                         case SATA_EVENT_CHANNEL_DISCONNECTED:
 793                                 /* Handle only disconnects */
 794                                 if (flag == 0)
 795                                         break;
 796                                 KdPrint(("RR18xx [%d,%d]: device disconnected\n",
 797                                                  pMvSataAdapter->adapterId, channelIndex));
 798                                         /* Flush pending commands */
 799                                 if(pMvSataAdapter->sataChannel[channelIndex])
 800                                 {
 801                                         _VBUS_INST(&pAdapter->VBus)
 802                                         mvSataFlushDmaQueue (pMvSataAdapter, channelIndex,
 803                                                                                  MV_FLUSH_TYPE_CALLBACK);
 804                                         CheckPendingCall(_VBUS_P0);
 805                                         mvSataRemoveChannel(pMvSataAdapter,channelIndex);
 806                                         hptmv_free_channel(pAdapter, channelIndex);
 807                                         pMvSataAdapter->sataChannel[channelIndex] = NULL;
 808                                         KdPrint(("RR18xx [%d,%d]: channel removed\n",
 809                                                  pMvSataAdapter->adapterId, channelIndex));
 810                                         if (pAdapter->outstandingCommands==0 && DPC_Request_Nums==0)
 811                                                 Check_Idle_Call(pAdapter);
 812                                 }
 813                                 else
 814                                 {
 815                                         KdPrint(("RR18xx [%d,%d]: channel already removed!!\n",
 816                                                          pMvSataAdapter->adapterId, channelIndex));
 817                                 }
 818                                 pAdapter->sataEvents[channelIndex] = SATA_EVENT_NO_CHANGE;
 819                                 break;
 820
 821                         case SATA_EVENT_NO_CHANGE:
 822                                 break;
 823
 824                         default:
 825                                 break;
 826                 }
 827         }
 828 /*      mvOsSemRelease(&pMvSataAdapter->semaphore); */
 829 }
 830
 831 #define EVENT_CONNECT                                   1
 832 #define EVENT_DISCONNECT                                0
 833
 834 static void
 835 hptmv_handle_event_connect(void *data)
 836 {
 837   hptmv_handle_event (data, 0);
 838 }
 839
 840 static void
 841 hptmv_handle_event_disconnect(void *data)
 842 {
 843   hptmv_handle_event (data, 1);
 844 }
 845
 846 static MV_BOOLEAN
 847 hptmv_event_notify(MV_SATA_ADAPTER *pMvSataAdapter, MV_EVENT_TYPE eventType,
 848                                                                    MV_U32 param1, MV_U32 param2)
 849 {
 850         IAL_ADAPTER_T   *pAdapter = pMvSataAdapter->IALData;
 851
 852         switch (eventType)
 853         {
 854                 case MV_EVENT_TYPE_SATA_CABLE:
 855                         {
 856                                 MV_U8   channel = param2;
 857
 858                                 if (param1 == EVENT_CONNECT)
 859                                 {
 860                                         pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_CONNECTED;
 861                                         KdPrint(("RR18xx [%d,%d]: device connected event received\n",
 862                                                          pMvSataAdapter->adapterId, channel));
 863                                         /* Delete previous timers (if multiple drives connected in the same time */
 864                                         callout_reset(&pAdapter->event_timer_connect, 10*hz, hptmv_handle_event_connect, pAdapter);
 865                                 }
 866                                 else if (param1 == EVENT_DISCONNECT)
 867                                 {
 868                                         pAdapter->sataEvents[channel] = SATA_EVENT_CHANNEL_DISCONNECTED;
 869                                         KdPrint(("RR18xx [%d,%d]: device disconnected event received \n",
 870                                                          pMvSataAdapter->adapterId, channel));
 871                                         device_change(pAdapter, channel, FALSE);
 872                                         /* Delete previous timers (if multiple drives disconnected in the same time */
 873                                         /* callout_reset(&pAdapter->event_timer_disconnect, 10*hz, hptmv_handle_event_disconnect, pAdapter); */
 874                                         /*It is not necessary to wait, handle it directly*/
 875                                         hptmv_handle_event_disconnect(pAdapter);
 876                                 }
 877                                 else
 878                                 {
 879
 880                                         MV_ERROR("RR18xx: illigal value for param1(%d) at "
 881                                                          "connect/disconect event, host=%d\n", param1,
 882                                                          pMvSataAdapter->adapterId );
 883
 884                                 }
 885                         }
 886                         break;
 887                 case MV_EVENT_TYPE_ADAPTER_ERROR:
 888                         KdPrint(("RR18xx: DEVICE error event received, pci cause "
 889                                           "reg=%x,  don't how to handle this\n", param1));
 890                         return MV_TRUE;
 891                 default:
 892                         MV_ERROR("RR18xx[%d]: unknown event type (%d)\n",
 893                                          pMvSataAdapter->adapterId, eventType);
 894                         return MV_FALSE;
 895         }
 896         return MV_TRUE;
 897 }
 898
 899 static int
 900 hptmv_allocate_edma_queues(IAL_ADAPTER_T *pAdapter)
 901 {
 902         pAdapter->requestsArrayBaseAddr = (MV_U8 *)contigmalloc(REQUESTS_ARRAY_SIZE,
 903                         M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
 904         if (pAdapter->requestsArrayBaseAddr == NULL)
 905         {
 906                 MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA request"
 907                                  " queues\n", pAdapter->mvSataAdapter.adapterId);
 908                 return -1;
 909         }
 910         pAdapter->requestsArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->requestsArrayBaseAddr);
 911         pAdapter->requestsArrayBaseAlignedAddr = pAdapter->requestsArrayBaseAddr;
 912         pAdapter->requestsArrayBaseAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
 913         pAdapter->requestsArrayBaseAlignedAddr  = (MV_U8 *)
 914                 (((ULONG_PTR)pAdapter->requestsArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1));
 915         pAdapter->requestsArrayBaseDmaAlignedAddr = pAdapter->requestsArrayBaseDmaAddr;
 916         pAdapter->requestsArrayBaseDmaAlignedAddr += MV_EDMA_REQUEST_QUEUE_SIZE;
 917         pAdapter->requestsArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_REQUEST_QUEUE_SIZE - 1);
 918
 919         if ((pAdapter->requestsArrayBaseDmaAlignedAddr - pAdapter->requestsArrayBaseDmaAddr) !=
 920                 (pAdapter->requestsArrayBaseAlignedAddr - pAdapter->requestsArrayBaseAddr))
 921         {
 922                 MV_ERROR("RR18xx[%d]: Error in Request Quueues Alignment\n",
 923                                  pAdapter->mvSataAdapter.adapterId);
 924                 contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 925                 return -1;
 926         }
 927         /* response queues */
 928         pAdapter->responsesArrayBaseAddr = (MV_U8 *)contigmalloc(RESPONSES_ARRAY_SIZE,
 929                         M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
 930         if (pAdapter->responsesArrayBaseAddr == NULL)
 931         {
 932                 MV_ERROR("RR18xx[%d]: Failed to allocate memory for EDMA response"
 933                                  " queues\n", pAdapter->mvSataAdapter.adapterId);
 934                 contigfree(pAdapter->requestsArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 935                 return -1;
 936         }
 937         pAdapter->responsesArrayBaseDmaAddr = fOsPhysicalAddress(pAdapter->responsesArrayBaseAddr);
 938         pAdapter->responsesArrayBaseAlignedAddr = pAdapter->responsesArrayBaseAddr;
 939         pAdapter->responsesArrayBaseAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
 940         pAdapter->responsesArrayBaseAlignedAddr  = (MV_U8 *)
 941                 (((ULONG_PTR)pAdapter->responsesArrayBaseAlignedAddr) & ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1));
 942         pAdapter->responsesArrayBaseDmaAlignedAddr = pAdapter->responsesArrayBaseDmaAddr;
 943         pAdapter->responsesArrayBaseDmaAlignedAddr += MV_EDMA_RESPONSE_QUEUE_SIZE;
 944         pAdapter->responsesArrayBaseDmaAlignedAddr &= ~(ULONG_PTR)(MV_EDMA_RESPONSE_QUEUE_SIZE - 1);
 945
 946         if ((pAdapter->responsesArrayBaseDmaAlignedAddr - pAdapter->responsesArrayBaseDmaAddr) !=
 947                 (pAdapter->responsesArrayBaseAlignedAddr - pAdapter->responsesArrayBaseAddr))
 948         {
 949                 MV_ERROR("RR18xx[%d]: Error in Response Quueues Alignment\n",
 950                                  pAdapter->mvSataAdapter.adapterId);
 951                 contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 952                 contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 953                 return -1;
 954         }
 955         return 0;
 956 }
 957
 958 static void
 959 hptmv_free_edma_queues(IAL_ADAPTER_T *pAdapter)
 960 {
 961         contigfree(pAdapter->requestsArrayBaseAddr, REQUESTS_ARRAY_SIZE, M_DEVBUF);
 962         contigfree(pAdapter->responsesArrayBaseAddr, RESPONSES_ARRAY_SIZE, M_DEVBUF);
 963 }
 964
 965 static PVOID
 966 AllocatePRDTable(IAL_ADAPTER_T *pAdapter)
 967 {
 968         PVOID ret;
 969         if (pAdapter->pFreePRDLink) {
 970                 KdPrint(("pAdapter->pFreePRDLink:%p\n",pAdapter->pFreePRDLink));
 971                 ret = pAdapter->pFreePRDLink;
 972                 pAdapter->pFreePRDLink = *(void**)ret;
 973                 return ret;
 974         }
 975         return NULL;
 976 }
 977
 978 static void
 979 FreePRDTable(IAL_ADAPTER_T *pAdapter, PVOID PRDTable)
 980 {
 981         *(void**)PRDTable = pAdapter->pFreePRDLink;
 982         pAdapter->pFreePRDLink = PRDTable;
 983 }
 984
 985 extern PVDevice fGetFirstChild(PVDevice pLogical);
 986 extern void fResetBootMark(PVDevice pLogical);
 987 static void
 988 fRegisterVdevice(IAL_ADAPTER_T *pAdapter)
 989 {
 990         PVDevice pPhysical, pLogical;
 991         PVBus  pVBus;
 992         int i,j;
 993
 994         for(i=0;i<MV_SATA_CHANNELS_NUM;i++) {
 995                 pPhysical = &(pAdapter->VDevices[i]);
 996                 pLogical = pPhysical;
 997                 while (pLogical->pParent) pLogical = pLogical->pParent;
 998                 if (pLogical->vf_online==0) {
 999                         pPhysical->vf_bootmark = pLogical->vf_bootmark = 0;
1000                         continue;
1001                 }
1002                 if (pLogical->VDeviceType==VD_SPARE || pPhysical!=fGetFirstChild(pLogical))
1003                         continue;
1004
1005                 pVBus = &pAdapter->VBus;
1006                 if(pVBus)
1007                 {
1008                         j=0;
1009                         while(j<MAX_VDEVICE_PER_VBUS && pVBus->pVDevice[j]) j++;
1010                         if(j<MAX_VDEVICE_PER_VBUS){
1011                                 pVBus->pVDevice[j] = pLogical;
1012                                 pLogical->pVBus = pVBus;
1013
1014                                 if (j>0 && pLogical->vf_bootmark) {
1015                                         if (pVBus->pVDevice[0]->vf_bootmark) {
1016                                                 fResetBootMark(pLogical);
1017                                         }
1018                                         else {
1019                                                 do { pVBus->pVDevice[j] = pVBus->pVDevice[j-1]; } while (--j);
1020                                                 pVBus->pVDevice[0] = pLogical;
1021                                         }
1022                                 }
1023                         }
1024                 }
1025         }
1026 }
1027
1028 PVDevice
1029 GetSpareDisk(_VBUS_ARG PVDevice pArray)
1030 {
1031         IAL_ADAPTER_T *pAdapter = (IAL_ADAPTER_T *)pArray->pVBus->OsExt;
1032         LBA_T capacity = LongDiv(pArray->VDeviceCapacity, pArray->u.array.bArnMember-1);
1033         LBA_T thiscap, maxcap = MAX_LBA_T;
1034         PVDevice pVDevice, pFind = NULL;
1035         int i;
1036
1037         for(i=0;i<MV_SATA_CHANNELS_NUM;i++)
1038         {
1039                 pVDevice = &pAdapter->VDevices[i];
1040                 if(!pVDevice)
1041                         continue;
1042                 thiscap = pArray->vf_format_v2? pVDevice->u.disk.dDeRealCapacity : pVDevice->VDeviceCapacity;
1043                 /* find the smallest usable spare disk */
1044                 if (pVDevice->VDeviceType==VD_SPARE &&
1045                         pVDevice->u.disk.df_on_line &&
1046                         thiscap < maxcap &&
1047                         thiscap >= capacity)
1048                 {
1049                                 maxcap = pVDevice->VDeviceCapacity;
1050                                 pFind = pVDevice;
1051                 }
1052         }
1053         return pFind;
1054 }
1055
1056 /******************************************************************
1057  * IO ATA Command
1058  *******************************************************************/
1059 int HPTLIBAPI
1060 fDeReadWrite(PDevice pDev, ULONG Lba, UCHAR Cmd, void *tmpBuffer)
1061 {
1062         return mvReadWrite(pDev->mv, Lba, Cmd, tmpBuffer);
1063 }
1064
1065 void HPTLIBAPI fDeSelectMode(PDevice pDev, UCHAR NewMode)
1066 {
1067         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1068         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1069         MV_U8 channelIndex = pSataChannel->channelNumber;
1070         UCHAR mvMode;
1071         /* 508x don't use MW-DMA? */
1072         if (NewMode>4 && NewMode<8) NewMode = 4;
1073         pDev->bDeModeSetting = NewMode;
1074         if (NewMode<=4)
1075                 mvMode = MV_ATA_TRANSFER_PIO_0 + NewMode;
1076         else
1077                 mvMode = MV_ATA_TRANSFER_UDMA_0 + (NewMode-8);
1078
1079         /*To fix 88i8030 bug*/
1080         if (mvMode > MV_ATA_TRANSFER_UDMA_0 && mvMode < MV_ATA_TRANSFER_UDMA_4)
1081                 mvMode = MV_ATA_TRANSFER_UDMA_0;
1082
1083         mvSataDisableChannelDma(pSataAdapter, channelIndex);
1084         /* Flush pending commands */
1085         mvSataFlushDmaQueue (pSataAdapter, channelIndex, MV_FLUSH_TYPE_NONE);
1086
1087         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1088                                                                    MV_ATA_SET_FEATURES_TRANSFER,
1089                                                                    mvMode, 0, 0, 0) == MV_FALSE)
1090         {
1091                 KdPrint(("channel %d: Set Features failed\n", channelIndex));
1092         }
1093         /* Enable EDMA */
1094         if (mvSataEnableChannelDma(pSataAdapter, channelIndex) == MV_FALSE)
1095                 KdPrint(("Failed to enable DMA, channel=%d", channelIndex));
1096 }
1097
1098 int HPTLIBAPI fDeSetTCQ(PDevice pDev, int enable, int depth)
1099 {
1100         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1101         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1102         MV_U8 channelIndex = pSataChannel->channelNumber;
1103         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1104         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1105         int dmaActive = pSataChannel->queueCommandsEnabled;
1106         int ret = 0;
1107
1108         if (dmaActive) {
1109                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1110                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1111         }
1112
1113         if (enable) {
1114                 if (pSataChannel->queuedDMA == MV_EDMA_MODE_NOT_QUEUED &&
1115                         (pSataChannel->identifyDevice[IDEN_SUPPORTED_COMMANDS2] & (0x2))) {
1116                         UCHAR depth = ((pSataChannel->identifyDevice[IDEN_QUEUE_DEPTH]) & 0x1f) + 1;
1117                         channelInfo->queueDepth = (depth==32)? 31 : depth;
1118                         mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_QUEUED, depth);
1119                         ret = 1;
1120                 }
1121         }
1122         else
1123         {
1124                 if (pSataChannel->queuedDMA != MV_EDMA_MODE_NOT_QUEUED) {
1125                         channelInfo->queueDepth = 2;
1126                         mvSataConfigEdmaMode(pSataAdapter, channelIndex, MV_EDMA_MODE_NOT_QUEUED, 0);
1127                         ret = 1;
1128                 }
1129         }
1130
1131         if (dmaActive)
1132                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1133         return ret;
1134 }
1135
1136 int HPTLIBAPI fDeSetNCQ(PDevice pDev, int enable, int depth)
1137 {
1138         return 0;
1139 }
1140
1141 int HPTLIBAPI fDeSetWriteCache(PDevice pDev, int enable)
1142 {
1143         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1144         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1145         MV_U8 channelIndex = pSataChannel->channelNumber;
1146         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1147         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1148         int dmaActive = pSataChannel->queueCommandsEnabled;
1149         int ret = 0;
1150
1151         if (dmaActive) {
1152                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1153                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1154         }
1155
1156         if ((pSataChannel->identifyDevice[82] & (0x20))) {
1157                 if (enable) {
1158                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1159                                 MV_ATA_SET_FEATURES_ENABLE_WCACHE, 0, 0, 0, 0))
1160                         {
1161                                 channelInfo->writeCacheEnabled = MV_TRUE;
1162                                 ret = 1;
1163                         }
1164                 }
1165                 else {
1166                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1167                                 MV_ATA_SET_FEATURES_DISABLE_WCACHE, 0, 0, 0, 0))
1168                         {
1169                                 channelInfo->writeCacheEnabled = MV_FALSE;
1170                                 ret = 1;
1171                         }
1172                 }
1173         }
1174
1175         if (dmaActive)
1176                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1177         return ret;
1178 }
1179
1180 int HPTLIBAPI fDeSetReadAhead(PDevice pDev, int enable)
1181 {
1182         MV_SATA_CHANNEL *pSataChannel = pDev->mv;
1183         MV_SATA_ADAPTER *pSataAdapter = pSataChannel->mvSataAdapter;
1184         MV_U8 channelIndex = pSataChannel->channelNumber;
1185         IAL_ADAPTER_T *pAdapter = pSataAdapter->IALData;
1186         MV_CHANNEL              *channelInfo = &(pAdapter->mvChannel[channelIndex]);
1187         int dmaActive = pSataChannel->queueCommandsEnabled;
1188         int ret = 0;
1189
1190         if (dmaActive) {
1191                 mvSataDisableChannelDma(pSataAdapter, channelIndex);
1192                 mvSataFlushDmaQueue(pSataAdapter,channelIndex,MV_FLUSH_TYPE_CALLBACK);
1193         }
1194
1195         if ((pSataChannel->identifyDevice[82] & (0x40))) {
1196                 if (enable) {
1197                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1198                                 MV_ATA_SET_FEATURES_ENABLE_RLA, 0, 0, 0, 0))
1199                         {
1200                                 channelInfo->readAheadEnabled = MV_TRUE;
1201                                 ret = 1;
1202                         }
1203                 }
1204                 else {
1205                         if (mvStorageDevATASetFeatures(pSataAdapter, channelIndex,
1206                                 MV_ATA_SET_FEATURES_DISABLE_RLA, 0, 0, 0, 0))
1207                         {
1208                                 channelInfo->readAheadEnabled = MV_FALSE;
1209                                 ret = 1;
1210                         }
1211                 }
1212         }
1213
1214         if (dmaActive)
1215                 mvSataEnableChannelDma(pSataAdapter,channelIndex);
1216         return ret;
1217 }
1218
1219 #ifdef SUPPORT_ARRAY
1220 #define IdeRegisterVDevice  fCheckArray
1221 #else
1222 void
1223 IdeRegisterVDevice(PDevice pDev)
1224 {
1225         PVDevice pVDev = Map2pVDevice(pDev);
1226
1227         pVDev->VDeviceType = pDev->df_atapi? VD_ATAPI :
1228                                                  pDev->df_removable_drive? VD_REMOVABLE : VD_SINGLE_DISK;
1229         pVDev->vf_online = 1;
1230         pVDev->VDeviceCapacity = pDev->dDeRealCapacity;
1231         pVDev->pfnSendCommand = pfnSendCommand[pVDev->VDeviceType];
1232         pVDev->pfnDeviceFailed = pfnDeviceFailed[pVDev->VDeviceType];
1233 }
1234 #endif
1235
1236 static __inline PBUS_DMAMAP
1237 dmamap_get(struct IALAdapter * pAdapter)
1238 {
1239         PBUS_DMAMAP     p = pAdapter->pbus_dmamap_list;
1240         if (p)
1241                 pAdapter->pbus_dmamap_list = p-> next;
1242         return p;
1243 }
1244
1245 static __inline void
1246 dmamap_put(PBUS_DMAMAP p)
1247 {
1248         p->next = p->pAdapter->pbus_dmamap_list;
1249         p->pAdapter->pbus_dmamap_list = p;
1250 }
1251
1252 /*Since mtx not provide the initialize when declare, so we Final init here to initialize the global mtx*/
1253 #define override_kernel_driver()
1254
1255 static void hpt_init(void *dummy)
1256 {
1257         override_kernel_driver();
1258         lockinit(&driver_lock, "hptsleeplock", 0, LK_CANRECURSE);
1259 }
1260 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1261
1262 static int num_adapters = 0;
1263 static int
1264 init_adapter(IAL_ADAPTER_T *pAdapter)
1265 {
1266         PVBus _vbus_p = &pAdapter->VBus;
1267         MV_SATA_ADAPTER *pMvSataAdapter;
1268         int i, channel, rid;
1269
1270         PVDevice pVDev;
1271
1272         lock_driver();
1273
1274         pAdapter->next = 0;
1275
1276         if(gIal_Adapter == NULL){
1277                 gIal_Adapter = pAdapter;
1278                 pCurAdapter = gIal_Adapter;
1279         }
1280         else {
1281                 pCurAdapter->next = pAdapter;
1282                 pCurAdapter = pAdapter;
1283         }
1284
1285         pAdapter->outstandingCommands = 0;
1286
1287         pMvSataAdapter = &(pAdapter->mvSataAdapter);
1288         _vbus_p->OsExt = (void *)pAdapter;
1289         pMvSataAdapter->IALData = pAdapter;
1290
1291         if (bus_dma_tag_create(NULL,/* parent */
1292                         4,      /* alignment */
1293                         BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1294                         BUS_SPACE_MAXADDR,      /* lowaddr */
1295                         BUS_SPACE_MAXADDR,      /* highaddr */
1296                         NULL, NULL,             /* filter, filterarg */
1297                         PAGE_SIZE * (MAX_SG_DESCRIPTORS-1), /* maxsize */
1298                         MAX_SG_DESCRIPTORS, /* nsegments */
1299                         0x10000,        /* maxsegsize */
1300                         BUS_DMA_WAITOK,         /* flags */
1301                         &pAdapter->io_dma_parent /* tag */))
1302                 {
1303                         return ENXIO;
1304         }
1305
1306
1307         if (hptmv_allocate_edma_queues(pAdapter))
1308         {
1309                 MV_ERROR("RR18xx: Failed to allocate memory for EDMA queues\n");
1310                 unlock_driver();
1311                 return ENOMEM;
1312         }
1313
1314         /* also map EPROM address */
1315         rid = 0x10;
1316         if (!(pAdapter->mem_res = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, &rid,
1317                         0, ~0, MV_SATA_PCI_BAR0_SPACE_SIZE+0x40000, RF_ACTIVE))
1318                 ||
1319                 !(pMvSataAdapter->adapterIoBaseAddress = rman_get_virtual(pAdapter->mem_res)))
1320         {
1321                 MV_ERROR("RR18xx: Failed to remap memory space\n");
1322                 hptmv_free_edma_queues(pAdapter);
1323                 unlock_driver();
1324                 return ENXIO;
1325         }
1326         else
1327         {
1328                 KdPrint(("RR18xx: io base address 0x%p\n", pMvSataAdapter->adapterIoBaseAddress));
1329         }
1330
1331         pMvSataAdapter->adapterId = num_adapters++;
1332         /* get the revision ID */
1333         pMvSataAdapter->pciConfigRevisionId = pci_read_config(pAdapter->hpt_dev, PCIR_REVID, 1);
1334         pMvSataAdapter->pciConfigDeviceId = pci_get_device(pAdapter->hpt_dev);
1335
1336         /* init RR18xx */
1337         pMvSataAdapter->intCoalThre[0]= 1;
1338         pMvSataAdapter->intCoalThre[1]= 1;
1339         pMvSataAdapter->intTimeThre[0] = 1;
1340         pMvSataAdapter->intTimeThre[1] = 1;
1341         pMvSataAdapter->pciCommand = 0x0107E371;
1342         pMvSataAdapter->pciSerrMask = 0xd77fe6ul;
1343         pMvSataAdapter->pciInterruptMask = 0xd77fe6ul;
1344         pMvSataAdapter->mvSataEventNotify = hptmv_event_notify;
1345
1346         if (mvSataInitAdapter(pMvSataAdapter) == MV_FALSE)
1347         {
1348                 MV_ERROR("RR18xx[%d]: core failed to initialize the adapter\n",
1349                                  pMvSataAdapter->adapterId);
1350 unregister:
1351                 bus_release_resource(pAdapter->hpt_dev, SYS_RES_MEMORY, rid, pAdapter->mem_res);
1352                 hptmv_free_edma_queues(pAdapter);
1353                 unlock_driver();
1354                 return ENXIO;
1355         }
1356         pAdapter->ver_601 = pMvSataAdapter->pcbVersion;
1357
1358 #ifndef FOR_DEMO
1359         set_fail_leds(pMvSataAdapter, 0);
1360 #endif
1361
1362         /* setup command blocks */
1363         KdPrint(("Allocate command blocks\n"));
1364         _vbus_(pFreeCommands) = NULL;
1365         pAdapter->pCommandBlocks =
1366                 kmalloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
1367         KdPrint(("pCommandBlocks:%p\n",pAdapter->pCommandBlocks));
1368         if (!pAdapter->pCommandBlocks) {
1369                 MV_ERROR("insufficient memory\n");
1370                 goto unregister;
1371         }
1372
1373         for (i=0; i<MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {
1374                 FreeCommand(_VBUS_P &(pAdapter->pCommandBlocks[i]));
1375         }
1376
1377         /*Set up the bus_dmamap*/
1378         pAdapter->pbus_dmamap = (PBUS_DMAMAP)kmalloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
1379         if(!pAdapter->pbus_dmamap) {
1380                 MV_ERROR("insufficient memory\n");
1381                 kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1382                 goto unregister;
1383         }
1384
1385         memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
1386         pAdapter->pbus_dmamap_list = 0;
1387         for (i=0; i < MAX_QUEUE_COMM; i++) {
1388                 PBUS_DMAMAP  pmap = &(pAdapter->pbus_dmamap[i]);
1389                 pmap->pAdapter = pAdapter;
1390                 dmamap_put(pmap);
1391
1392                 if(bus_dmamap_create(pAdapter->io_dma_parent, 0, &pmap->dma_map)) {
1393                         MV_ERROR("Can not allocate dma map\n");
1394                         kfree(pAdapter->pCommandBlocks, M_DEVBUF);
1395                         kfree(pAdapter->pbus_dmamap, M_DEVBUF);
1396                         goto unregister;
1397                 }
1398         }
1399         /* setup PRD Tables */
1400         KdPrint(("Allocate PRD Tables\n"));
1401         pAdapter->pFreePRDLink = 0;
1402
1403         pAdapter->prdTableAddr = (PUCHAR)contigmalloc(
1404                 (PRD_ENTRIES_SIZE*PRD_TABLES_FOR_VBUS + 32), M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0ul);
1405
1406         KdPrint(("prdTableAddr:%p\n",pAdapter->prdTableAddr));
1407         if (!pAdapter->prdTableAddr) {
1408                 MV_ERROR("insufficient PRD Tables\n");
1409                 goto unregister;
1410         }
1411         pAdapter->prdTableAlignedAddr = (PUCHAR)(((ULONG_PTR)pAdapter->prdTableAddr + 0x1f) & ~(ULONG_PTR)0x1fL);
1412         {
1413                 PUCHAR PRDTable = pAdapter->prdTableAlignedAddr;
1414                 for (i=0; i<PRD_TABLES_FOR_VBUS; i++)
1415                 {
1416 /*                      KdPrint(("i=%d,pAdapter->pFreePRDLink=%p\n",i,pAdapter->pFreePRDLink)); */
1417                         FreePRDTable(pAdapter, PRDTable);
1418                         PRDTable += PRD_ENTRIES_SIZE;
1419                 }
1420         }
1421
1422         /* enable the adapter interrupts */
1423
1424         /* configure and start the connected channels*/
1425         for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++)
1426         {
1427                 pAdapter->mvChannel[channel].online = MV_FALSE;
1428                 if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel)
1429                         == MV_TRUE)
1430                 {
1431                         KdPrint(("RR18xx[%d]: channel %d is connected\n",
1432                                           pMvSataAdapter->adapterId, channel));
1433
1434                         if (hptmv_init_channel(pAdapter, channel) == 0)
1435                         {
1436                                 if (mvSataConfigureChannel(pMvSataAdapter, channel) == MV_FALSE)
1437                                 {
1438                                         MV_ERROR("RR18xx[%d]: Failed to configure channel"
1439                                                          " %d\n",pMvSataAdapter->adapterId, channel);
1440                                         hptmv_free_channel(pAdapter, channel);
1441                                 }
1442                                 else
1443                                 {
1444                                         if (start_channel(pAdapter, channel))
1445                                         {
1446                                                 MV_ERROR("RR18xx[%d]: Failed to start channel,"
1447                                                                  " channel=%d\n",pMvSataAdapter->adapterId,
1448                                                                  channel);
1449                                                 hptmv_free_channel(pAdapter, channel);
1450                                         }
1451                                         pAdapter->mvChannel[channel].online = MV_TRUE;
1452                                         /*  mvSataChannelSetEdmaLoopBackMode(pMvSataAdapter,
1453                                                                                                            channel,
1454                                                                                                            MV_TRUE);*/
1455                                 }
1456                         }
1457                 }
1458                 KdPrint(("pAdapter->mvChannel[channel].online:%x, channel:%d\n",
1459                         pAdapter->mvChannel[channel].online, channel));
1460         }
1461
1462 #ifdef SUPPORT_ARRAY
1463         for(i = MAX_ARRAY_DEVICE - 1; i >= 0; i--) {
1464                 pVDev = ArrayTables(i);
1465                 mArFreeArrayTable(pVDev);
1466         }
1467 #endif
1468
1469         KdPrint(("Initialize Devices\n"));
1470         for (channel = 0; channel < MV_SATA_CHANNELS_NUM; channel++) {
1471                 MV_SATA_CHANNEL *pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1472                 if (pMvSataChannel) {
1473                         init_vdev_params(pAdapter, channel);
1474                         IdeRegisterVDevice(&pAdapter->VDevices[channel].u.disk);
1475                 }
1476         }
1477 #ifdef SUPPORT_ARRAY
1478         CheckArrayCritical(_VBUS_P0);
1479 #endif
1480         _vbus_p->nInstances = 1;
1481         fRegisterVdevice(pAdapter);
1482
1483         for (channel=0;channel<MV_SATA_CHANNELS_NUM;channel++) {
1484                 pVDev = _vbus_p->pVDevice[channel];
1485                 if (pVDev && pVDev->vf_online)
1486                         fCheckBootable(pVDev);
1487         }
1488
1489 #if defined(SUPPORT_ARRAY) && defined(_RAID5N_)
1490         init_raid5_memory(_VBUS_P0);
1491         _vbus_(r5).enable_write_back = 1;
1492         kprintf("RR18xx: RAID5 write-back %s\n", _vbus_(r5).enable_write_back? "enabled" : "disabled");
1493 #endif
1494
1495         mvSataUnmaskAdapterInterrupt(pMvSataAdapter);
1496         unlock_driver();
1497         return 0;
1498 }
1499
1500 int
1501 MvSataResetChannel(MV_SATA_ADAPTER *pMvSataAdapter, MV_U8 channel)
1502 {
1503         IAL_ADAPTER_T   *pAdapter = (IAL_ADAPTER_T *)pMvSataAdapter->IALData;
1504
1505         mvSataDisableChannelDma(pMvSataAdapter, channel);
1506         /* Flush pending commands */
1507         mvSataFlushDmaQueue (pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1508
1509         /* Software reset channel */
1510         if (mvStorageDevATASoftResetDevice(pMvSataAdapter, channel) == MV_FALSE)
1511         {
1512                 MV_ERROR("RR18xx [%d,%d]: failed to perform Software reset\n",
1513                                  pMvSataAdapter->adapterId, channel);
1514                 hptmv_free_channel(pAdapter, channel);
1515                 return -1;
1516         }
1517
1518         /* Hardware reset channel */
1519         if (mvSataChannelHardReset(pMvSataAdapter, channel)== MV_FALSE)
1520         {
1521                 MV_ERROR("RR18xx [%d,%d] Failed to Hard reser the SATA channel\n",
1522                                  pMvSataAdapter->adapterId, channel);
1523                 hptmv_free_channel(pAdapter, channel);
1524                 return -1;
1525         }
1526
1527         if (mvSataIsStorageDeviceConnected(pMvSataAdapter, channel) == MV_FALSE)
1528         {
1529                  MV_ERROR("RR18xx [%d,%d] Failed to Connect Device\n",
1530                                  pMvSataAdapter->adapterId, channel);
1531                 hptmv_free_channel(pAdapter, channel);
1532                 return -1;
1533         }else
1534         {
1535                 MV_ERROR("channel %d: perform recalibrate command", channel);
1536                 if (!mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1537                                                                 MV_NON_UDMA_PROTOCOL_NON_DATA,
1538                                                                 MV_FALSE,
1539                                                                 NULL,    /* pBuffer*/
1540                                                                 0,               /* count  */
1541                                                                 0,              /*features*/
1542                                                                                 /* sectorCount */
1543                                                                 0,
1544                                                                 0,      /* lbaLow */
1545                                                                 0,      /* lbaMid */
1546                                                                         /* lbaHigh */
1547                                                                 0,
1548                                                                 0,              /* device */
1549                                                                                 /* command */
1550                                                                 0x10))
1551                         MV_ERROR("channel %d: recalibrate failed", channel);
1552
1553                 /* Set transfer mode */
1554                 if((mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1555                                                 MV_ATA_SET_FEATURES_TRANSFER,
1556                                                 MV_ATA_TRANSFER_PIO_SLOW, 0, 0, 0) == MV_FALSE) ||
1557                         (mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1558                                                 MV_ATA_SET_FEATURES_TRANSFER,
1559                                                 pAdapter->mvChannel[channel].maxPioModeSupported, 0, 0, 0) == MV_FALSE) ||
1560                         (mvStorageDevATASetFeatures(pMvSataAdapter, channel,
1561                                                 MV_ATA_SET_FEATURES_TRANSFER,
1562                                                 pAdapter->mvChannel[channel].maxUltraDmaModeSupported, 0, 0, 0) == MV_FALSE) )
1563                 {
1564                         MV_ERROR("channel %d: Set Features failed", channel);
1565                         hptmv_free_channel(pAdapter, channel);
1566                         return -1;
1567                 }
1568                 /* Enable EDMA */
1569                 if (mvSataEnableChannelDma(pMvSataAdapter, channel) == MV_FALSE)
1570                 {
1571                         MV_ERROR("Failed to enable DMA, channel=%d", channel);
1572                         hptmv_free_channel(pAdapter, channel);
1573                         return -1;
1574                 }
1575         }
1576         return 0;
1577 }
1578
1579 static int
1580 fResetActiveCommands(PVBus _vbus_p)
1581 {
1582         MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1583         MV_U8 channel;
1584         for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1585                 if (pMvSataAdapter->sataChannel[channel] && pMvSataAdapter->sataChannel[channel]->outstandingCommands)
1586                         MvSataResetChannel(pMvSataAdapter,channel);
1587         }
1588         return 0;
1589 }
1590
1591 void fCompleteAllCommandsSynchronously(PVBus _vbus_p)
1592 {
1593         UINT cont;
1594         ULONG ticks = 0;
1595         MV_U8 channel;
1596         MV_SATA_ADAPTER *pMvSataAdapter = &((IAL_ADAPTER_T *)_vbus_p->OsExt)->mvSataAdapter;
1597         MV_SATA_CHANNEL *pMvSataChannel;
1598
1599         do {
1600 check_cmds:
1601                 cont = 0;
1602                 CheckPendingCall(_VBUS_P0);
1603 #ifdef _RAID5N_
1604                 dataxfer_poll();
1605                 xor_poll();
1606 #endif
1607                 for (channel=0;channel< MV_SATA_CHANNELS_NUM;channel++) {
1608                         pMvSataChannel = pMvSataAdapter->sataChannel[channel];
1609                         if (pMvSataChannel && pMvSataChannel->outstandingCommands)
1610                         {
1611                                 while (pMvSataChannel->outstandingCommands) {
1612                                         if (!mvSataInterruptServiceRoutine(pMvSataAdapter)) {
1613                                                 StallExec(1000);
1614                                                 if (ticks++ > 3000) {
1615                                                         MvSataResetChannel(pMvSataAdapter,channel);
1616                                                         goto check_cmds;
1617                                                 }
1618                                         }
1619                                         else
1620                                                 ticks = 0;
1621                                 }
1622                                 cont = 1;
1623                         }
1624                 }
1625         } while (cont);
1626 }
1627
1628 void
1629 fResetVBus(_VBUS_ARG0)
1630 {
1631         KdPrint(("fMvResetBus(%p)", _vbus_p));
1632
1633         /* some commands may already finished. */
1634         CheckPendingCall(_VBUS_P0);
1635
1636         fResetActiveCommands(_vbus_p);
1637         /*
1638          * the other pending commands may still be finished successfully.
1639          */
1640         fCompleteAllCommandsSynchronously(_vbus_p);
1641
1642         /* Now there should be no pending commands. No more action needed. */
1643         CheckIdleCall(_VBUS_P0);
1644
1645         KdPrint(("fMvResetBus() done"));
1646 }
1647
1648 /*No rescan function*/
1649 void
1650 fRescanAllDevice(_VBUS_ARG0)
1651 {
1652 }
1653
1654 static MV_BOOLEAN
1655 CommandCompletionCB(MV_SATA_ADAPTER *pMvSataAdapter,
1656                                         MV_U8 channelNum,
1657                                         MV_COMPLETION_TYPE comp_type,
1658                                         MV_VOID_PTR commandId,
1659                                         MV_U16 responseFlags,
1660                                         MV_U32 timeStamp,
1661                                         MV_STORAGE_DEVICE_REGISTERS *registerStruct)
1662 {
1663         PCommand pCmd = (PCommand) commandId;
1664         _VBUS_INST(pCmd->pVDevice->pVBus)
1665
1666         if (pCmd->uScratch.sata_param.prdAddr)
1667                 FreePRDTable(pMvSataAdapter->IALData,pCmd->uScratch.sata_param.prdAddr);
1668
1669         switch (comp_type)
1670         {
1671         case MV_COMPLETION_TYPE_NORMAL:
1672                 pCmd->Result = RETURN_SUCCESS;
1673                 break;
1674         case MV_COMPLETION_TYPE_ABORT:
1675                 pCmd->Result = RETURN_BUS_RESET;
1676                 break;
1677         case MV_COMPLETION_TYPE_ERROR:
1678                  MV_ERROR("IAL: COMPLETION ERROR, adapter %d, channel %d, flags=%x\n",
1679                                  pMvSataAdapter->adapterId, channelNum, responseFlags);
1680
1681                 if (responseFlags & 4) {
1682                         MV_ERROR("ATA regs: error %x, sector count %x, LBA low %x, LBA mid %x,"
1683                                 " LBA high %x, device %x, status %x\n",
1684                                 registerStruct->errorRegister,
1685                                 registerStruct->sectorCountRegister,
1686                                 registerStruct->lbaLowRegister,
1687                                 registerStruct->lbaMidRegister,
1688                                 registerStruct->lbaHighRegister,
1689                                 registerStruct->deviceRegister,
1690                                 registerStruct->statusRegister);
1691                 }
1692                 /*We can't do handleEdmaError directly here, because CommandCompletionCB is called by
1693                  * mv's ISR, if we retry the command, than the internel data structure may be destroyed*/
1694                 pCmd->uScratch.sata_param.responseFlags = responseFlags;
1695                 pCmd->uScratch.sata_param.bIdeStatus = registerStruct->statusRegister;
1696                 pCmd->uScratch.sata_param.errorRegister = registerStruct->errorRegister;
1697                 pCmd->pVDevice->u.disk.QueueLength--;
1698                 CallAfterReturn(_VBUS_P (DPC_PROC)handleEdmaError,pCmd);
1699                 return TRUE;
1700
1701         default:
1702                 MV_ERROR(" Unknown completion type (%d)\n", comp_type);
1703                 return MV_FALSE;
1704         }
1705
1706         if (pCmd->uCmd.Ide.Command == IDE_COMMAND_VERIFY && pCmd->uScratch.sata_param.cmd_priv > 1) {
1707                 pCmd->uScratch.sata_param.cmd_priv --;
1708                 return TRUE;
1709         }
1710         pCmd->pVDevice->u.disk.QueueLength--;
1711         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1712         return TRUE;
1713 }
1714
1715 void
1716 fDeviceSendCommand(_VBUS_ARG PCommand pCmd)
1717 {
1718         MV_SATA_EDMA_PRD_ENTRY  *pPRDTable = NULL;
1719         MV_SATA_ADAPTER *pMvSataAdapter;
1720         MV_SATA_CHANNEL *pMvSataChannel;
1721         PVDevice pVDevice = pCmd->pVDevice;
1722         PDevice  pDevice = &pVDevice->u.disk;
1723         LBA_T    Lba = pCmd->uCmd.Ide.Lba;
1724         USHORT   nSector = pCmd->uCmd.Ide.nSectors;
1725
1726         MV_QUEUE_COMMAND_RESULT result;
1727         MV_QUEUE_COMMAND_INFO commandInfo;
1728         MV_UDMA_COMMAND_PARAMS  *pUdmaParams = &commandInfo.commandParams.udmaCommand;
1729         MV_NONE_UDMA_COMMAND_PARAMS *pNoUdmaParams = &commandInfo.commandParams.NoneUdmaCommand;
1730
1731         MV_BOOLEAN is48bit;
1732         MV_U8      channel;
1733         int        i=0;
1734
1735         DECLARE_BUFFER(FPSCAT_GATH, tmpSg);
1736
1737         if (!pDevice->df_on_line) {
1738                 MV_ERROR("Device is offline");
1739                 pCmd->Result = RETURN_BAD_DEVICE;
1740                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1741                 return;
1742         }
1743
1744         pDevice->HeadPosition = pCmd->uCmd.Ide.Lba + pCmd->uCmd.Ide.nSectors;
1745         pMvSataChannel = pDevice->mv;
1746         pMvSataAdapter = pMvSataChannel->mvSataAdapter;
1747         channel = pMvSataChannel->channelNumber;
1748
1749         /* old RAID0 has hidden lba. Remember to clear dDeHiddenLba when delete array! */
1750         Lba += pDevice->dDeHiddenLba;
1751         /* check LBA */
1752         if (Lba+nSector-1 > pDevice->dDeRealCapacity) {
1753                 pCmd->Result = RETURN_INVALID_REQUEST;
1754                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1755                 return;
1756         }
1757
1758         /*
1759          * always use 48bit LBA if drive supports it.
1760          * Some Seagate drives report error if you use a 28-bit command
1761          * to access sector 0xfffffff.
1762          */
1763         is48bit = pMvSataChannel->lba48Address;
1764
1765         switch (pCmd->uCmd.Ide.Command)
1766         {
1767         case IDE_COMMAND_READ:
1768         case IDE_COMMAND_WRITE:
1769                 if (pDevice->bDeModeSetting<8) goto pio;
1770
1771                 commandInfo.type = MV_QUEUED_COMMAND_TYPE_UDMA;
1772                 pUdmaParams->isEXT = is48bit;
1773                 pUdmaParams->numOfSectors = nSector;
1774                 pUdmaParams->lowLBAAddress = Lba;
1775                 pUdmaParams->highLBAAddress = 0;
1776                 pUdmaParams->prdHighAddr = 0;
1777                 pUdmaParams->callBack = CommandCompletionCB;
1778                 pUdmaParams->commandId = (MV_VOID_PTR )pCmd;
1779                 if(pCmd->uCmd.Ide.Command == IDE_COMMAND_READ)
1780                         pUdmaParams->readWrite = MV_UDMA_TYPE_READ;
1781                 else
1782                         pUdmaParams->readWrite = MV_UDMA_TYPE_WRITE;
1783
1784                 if (pCmd->pSgTable && pCmd->cf_physical_sg) {
1785                         FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1786                         do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1787                 }
1788                 else {
1789                         if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 0)) {
1790 pio:
1791                                 mvSataDisableChannelDma(pMvSataAdapter, channel);
1792                                 mvSataFlushDmaQueue(pMvSataAdapter, channel, MV_FLUSH_TYPE_CALLBACK);
1793
1794                                 if (pCmd->pSgTable && pCmd->cf_physical_sg==0) {
1795                                         FPSCAT_GATH sg1=tmpSg, sg2=pCmd->pSgTable;
1796                                         do { *sg1++=*sg2; } while ((sg2++->wSgFlag & SG_FLAG_EOT)==0);
1797                                 }
1798                                 else {
1799                                         if (!pCmd->pfnBuildSgl || !pCmd->pfnBuildSgl(_VBUS_P pCmd, tmpSg, 1)) {
1800                                                 pCmd->Result = RETURN_NEED_LOGICAL_SG;
1801                                                 goto finish_cmd;
1802                                         }
1803                                 }
1804
1805                                 do {
1806                                         ULONG size = tmpSg->wSgSize? tmpSg->wSgSize : 0x10000;
1807                                         ULONG_PTR addr = tmpSg->dSgAddress;
1808                                         if (size & 0x1ff) {
1809                                                 pCmd->Result = RETURN_INVALID_REQUEST;
1810                                                 goto finish_cmd;
1811                                         }
1812                                         if (mvStorageDevATAExecuteNonUDMACommand(pMvSataAdapter, channel,
1813                                                 (pCmd->cf_data_out)?MV_NON_UDMA_PROTOCOL_PIO_DATA_OUT:MV_NON_UDMA_PROTOCOL_PIO_DATA_IN,
1814                                                 is48bit,
1815                                                 (MV_U16_PTR)addr,
1816                                                 size >> 1,      /* count       */
1817                                                 0,              /* features  N/A  */
1818                                                 (MV_U16)(size>>9),      /*sector count*/
1819                                                 (MV_U16)(  (is48bit? (MV_U16)((Lba >> 16) & 0xFF00) : 0 )  | (UCHAR)(Lba & 0xFF) ), /*lbalow*/
1820                                                 (MV_U16)((Lba >> 8) & 0xFF), /* lbaMid      */
1821                                                 (MV_U16)((Lba >> 16) & 0xFF),/* lbaHigh     */
1822                                                 (MV_U8)(0x40 | (is48bit ? 0 : (UCHAR)(Lba >> 24) & 0xFF )),/* device      */
1823                                                 (MV_U8)(is48bit ? (pCmd->cf_data_in?IDE_COMMAND_READ_EXT:IDE_COMMAND_WRITE_EXT):pCmd->uCmd.Ide.Command)
1824                                         )==MV_FALSE)
1825                                         {
1826                                                 pCmd->Result = RETURN_IDE_ERROR;
1827                                                 goto finish_cmd;
1828                                         }
1829                                         Lba += size>>9;
1830                                         if(Lba & 0xF0000000) is48bit = MV_TRUE;
1831                                 }
1832                                 while ((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1833                                 pCmd->Result = RETURN_SUCCESS;
1834 finish_cmd:
1835                                 mvSataEnableChannelDma(pMvSataAdapter,channel);
1836                                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1837                                 return;
1838                         }
1839                 }
1840
1841                 pPRDTable = (MV_SATA_EDMA_PRD_ENTRY *) AllocatePRDTable(pMvSataAdapter->IALData);
1842                 KdPrint(("pPRDTable:%p\n",pPRDTable));
1843                 if (!pPRDTable) {
1844                         pCmd->Result = RETURN_DEVICE_BUSY;
1845                         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1846                         HPT_ASSERT(0);
1847                         return;
1848                 }
1849
1850                 do{
1851                         pPRDTable[i].highBaseAddr = (sizeof(tmpSg->dSgAddress)>4 ? (MV_U32)(tmpSg->dSgAddress>>32) : 0);
1852                         pPRDTable[i].flags = (MV_U16)tmpSg->wSgFlag;
1853                         pPRDTable[i].byteCount = (MV_U16)tmpSg->wSgSize;
1854                         pPRDTable[i].lowBaseAddr = (MV_U32)tmpSg->dSgAddress;
1855                         pPRDTable[i].reserved = 0;
1856                         i++;
1857                 }while((tmpSg++->wSgFlag & SG_FLAG_EOT)==0);
1858
1859                 pUdmaParams->prdLowAddr = (ULONG)fOsPhysicalAddress(pPRDTable);
1860                 if ((pUdmaParams->numOfSectors == 256) && (pMvSataChannel->lba48Address == MV_FALSE)) {
1861                         pUdmaParams->numOfSectors = 0;
1862                 }
1863
1864                 pCmd->uScratch.sata_param.prdAddr = (PVOID)pPRDTable;
1865
1866                 result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1867
1868                 if (result != MV_QUEUE_COMMAND_RESULT_OK)
1869                 {
1870 queue_failed:
1871                         switch (result)
1872                         {
1873                         case MV_QUEUE_COMMAND_RESULT_BAD_LBA_ADDRESS:
1874                                 MV_ERROR("IAL Error: Edma Queue command failed. Bad LBA "
1875                                                  "LBA[31:0](0x%08x)\n", pUdmaParams->lowLBAAddress);
1876                                 pCmd->Result = RETURN_IDE_ERROR;
1877                                 break;
1878                         case MV_QUEUE_COMMAND_RESULT_QUEUED_MODE_DISABLED:
1879                                 MV_ERROR("IAL Error: Edma Queue command failed. EDMA"
1880                                                  " disabled adapter %d channel %d\n",
1881                                                  pMvSataAdapter->adapterId, channel);
1882                                 mvSataEnableChannelDma(pMvSataAdapter,channel);
1883                                 pCmd->Result = RETURN_IDE_ERROR;
1884                                 break;
1885                         case MV_QUEUE_COMMAND_RESULT_FULL:
1886                                 MV_ERROR("IAL Error: Edma Queue command failed. Queue is"
1887                                                  " Full adapter %d channel %d\n",
1888                                                  pMvSataAdapter->adapterId, channel);
1889                                 pCmd->Result = RETURN_DEVICE_BUSY;
1890                                 break;
1891                         case MV_QUEUE_COMMAND_RESULT_BAD_PARAMS:
1892                                 MV_ERROR("IAL Error: Edma Queue command failed. (Bad "
1893                                                  "Params), pMvSataAdapter: %p,  pSataChannel: %p.\n",
1894                                                  pMvSataAdapter, pMvSataAdapter->sataChannel[channel]);
1895                                 pCmd->Result = RETURN_IDE_ERROR;
1896                                 break;
1897                         default:
1898                                 MV_ERROR("IAL Error: Bad result value (%d) from queue"
1899                                                  " command\n", result);
1900                                 pCmd->Result = RETURN_IDE_ERROR;
1901                         }
1902                         if(pPRDTable)
1903                                 FreePRDTable(pMvSataAdapter->IALData,pPRDTable);
1904                         CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1905                 }
1906                 pDevice->QueueLength++;
1907                 return;
1908
1909         case IDE_COMMAND_VERIFY:
1910                 commandInfo.type = MV_QUEUED_COMMAND_TYPE_NONE_UDMA;
1911                 pNoUdmaParams->bufPtr = NULL;
1912                 pNoUdmaParams->callBack = CommandCompletionCB;
1913                 pNoUdmaParams->commandId = (MV_VOID_PTR)pCmd;
1914                 pNoUdmaParams->count = 0;
1915                 pNoUdmaParams->features = 0;
1916                 pNoUdmaParams->protocolType = MV_NON_UDMA_PROTOCOL_NON_DATA;
1917
1918                 pCmd->uScratch.sata_param.cmd_priv = 1;
1919                 if (pMvSataChannel->lba48Address == MV_TRUE){
1920                         pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS_EXT;
1921                         pNoUdmaParams->isEXT = MV_TRUE;
1922                         pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1923                         pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1924                         pNoUdmaParams->lbaLow =
1925                                 (MV_U16)(((Lba & 0xff000000) >> 16)| (Lba & 0xff));
1926                         pNoUdmaParams->sectorCount = nSector;
1927                         pNoUdmaParams->device = 0x40;
1928                         result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1929                         if (result != MV_QUEUE_COMMAND_RESULT_OK){
1930                                 goto queue_failed;
1931                         }
1932                         return;
1933                 }
1934                 else{
1935                         pNoUdmaParams->command = MV_ATA_COMMAND_READ_VERIFY_SECTORS;
1936                         pNoUdmaParams->isEXT = MV_FALSE;
1937                         pNoUdmaParams->lbaHigh = (MV_U16)((Lba & 0xff0000) >> 16);
1938                         pNoUdmaParams->lbaMid = (MV_U16)((Lba & 0xff00) >> 8);
1939                         pNoUdmaParams->lbaLow = (MV_U16)(Lba & 0xff);
1940                         pNoUdmaParams->sectorCount = 0xff & nSector;
1941                         pNoUdmaParams->device = (MV_U8)(0x40 |
1942                                 ((Lba & 0xf000000) >> 24));
1943                         pNoUdmaParams->callBack = CommandCompletionCB;
1944                         result = mvSataQueueCommand(pMvSataAdapter, channel, &commandInfo);
1945                         /*FIXME: how about the commands already queued? but marvel also forgets to consider this*/
1946                         if (result != MV_QUEUE_COMMAND_RESULT_OK){
1947                                 goto queue_failed;
1948                         }
1949                 }
1950                 break;
1951         default:
1952                 pCmd->Result = RETURN_INVALID_REQUEST;
1953                 CallAfterReturn(_VBUS_P (DPC_PROC)pCmd->pfnCompletion, pCmd);
1954                 break;
1955         }
1956 }
1957
1958 /**********************************************************
1959  *
1960  *      Probe the hostadapter.
1961  *
1962  **********************************************************/
1963 static int
1964 hpt_probe(device_t dev)
1965 {
1966         if ((pci_get_vendor(dev) == MV_SATA_VENDOR_ID) &&
1967                 (pci_get_device(dev) == MV_SATA_DEVICE_ID_5081
1968 #ifdef FOR_DEMO
1969                 || pci_get_device(dev) == MV_SATA_DEVICE_ID_5080
1970 #endif
1971                 ))
1972         {
1973                 KdPrintI((CONTROLLER_NAME " found\n"));
1974                 device_set_desc(dev, CONTROLLER_NAME);
1975                 return 0;
1976         }
1977         else
1978                 return(ENXIO);
1979 }
1980
1981 /***********************************************************
1982  *
1983  *      Auto configuration:  attach and init a host adapter.
1984  *
1985  ***********************************************************/
1986 static int
1987 hpt_attach(device_t dev)
1988 {
1989         IAL_ADAPTER_T * pAdapter = device_get_softc(dev);
1990         int rid;
1991         union ccb *ccb;
1992         struct cam_devq *devq;
1993         struct cam_sim *hpt_vsim;
1994
1995         kprintf("%s Version %s \n", DRIVER_NAME, DRIVER_VERSION);
1996
1997         if (!pAdapter)
1998         {
1999                 pAdapter = (IAL_ADAPTER_T *)kmalloc(sizeof (IAL_ADAPTER_T), M_DEVBUF, M_NOWAIT);
2000                 device_set_softc(dev, (void *)pAdapter);
2001         }
2002
2003         if (!pAdapter) return (ENOMEM);
2004         bzero(pAdapter, sizeof(IAL_ADAPTER_T));
2005
2006         pAdapter->hpt_dev = dev;
2007
2008         rid = init_adapter(pAdapter);
2009         if (rid)
2010                 return rid;
2011
2012         rid = 0;
2013         if ((pAdapter->hpt_irq = bus_alloc_resource(pAdapter->hpt_dev, SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
2014         {
2015                 hpt_printk(("can't allocate interrupt\n"));
2016                 return(ENXIO);
2017         }
2018
2019         if (bus_setup_intr(pAdapter->hpt_dev, pAdapter->hpt_irq, 0,
2020                                 hpt_intr, pAdapter, &pAdapter->hpt_intr, NULL))
2021         {
2022                 hpt_printk(("can't set up interrupt\n"));
2023                 kfree(pAdapter, M_DEVBUF);
2024                 return(ENXIO);
2025         }
2026
2027
2028         ccb = kmalloc(sizeof(*ccb), M_DEVBUF, M_WAITOK | M_ZERO);
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 static 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                         cam_calc_geometry(&ccb->ccg, 1);
2319                         xpt_done(ccb);
2320                         break;
2321
2322                 case XPT_PATH_INQ:              /* Path routing inquiry */
2323                 {
2324                         struct ccb_pathinq *cpi = &ccb->cpi;
2325
2326                         cpi->version_num = 1; /* XXX??? */
2327                         cpi->hba_inquiry = PI_SDTR_ABLE;
2328                         cpi->target_sprt = 0;
2329                         /* Not necessary to reset bus */
2330                         cpi->hba_misc = PIM_NOBUSRESET;
2331                         cpi->hba_eng_cnt = 0;
2332
2333                         cpi->max_target = MAX_VDEVICE_PER_VBUS;
2334                         cpi->max_lun = 0;
2335                         cpi->initiator_id = MAX_VDEVICE_PER_VBUS;
2336
2337                         cpi->bus_id = cam_sim_bus(sim);
2338                         cpi->base_transfer_speed = 3300;
2339                         strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2340                         strncpy(cpi->hba_vid, "HPT   ", HBA_IDLEN);
2341                         strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2342                         cpi->unit_number = cam_sim_unit(sim);
2343                         cpi->transport = XPORT_SPI;
2344                         cpi->transport_version = 2;
2345                         cpi->protocol = PROTO_SCSI;
2346                         cpi->protocol_version = SCSI_REV_2;
2347                         cpi->maxio = HPTMV_DFLTPHYS;
2348                         cpi->ccb_h.status = CAM_REQ_CMP;
2349                         xpt_done(ccb);
2350                         break;
2351                 }
2352
2353                 default:
2354                         KdPrint(("invalid cmd\n"));
2355                         ccb->ccb_h.status = CAM_REQ_INVALID;
2356                         xpt_done(ccb);
2357                         break;
2358         }
2359         /* KdPrint(("leave hpt_action..............\n")); */
2360 }
2361
2362 /* shall be called at lock_driver() */
2363 static void
2364 hpt_queue_ccb(union ccb **ccb_Q, union ccb *ccb)
2365 {
2366         if(*ccb_Q == NULL)
2367                 ccb->ccb_h.ccb_ccb_ptr = ccb;
2368         else {
2369                 ccb->ccb_h.ccb_ccb_ptr = (*ccb_Q)->ccb_h.ccb_ccb_ptr;
2370                 (*ccb_Q)->ccb_h.ccb_ccb_ptr = (char *)ccb;
2371         }
2372
2373         *ccb_Q = ccb;
2374 }
2375
2376 /* shall be called at lock_driver() */
2377 static void
2378 hpt_free_ccb(union ccb **ccb_Q, union ccb *ccb)
2379 {
2380         union ccb *TempCCB;
2381
2382         TempCCB = *ccb_Q;
2383
2384         if(ccb->ccb_h.ccb_ccb_ptr == ccb) /*it means SCpnt is the last one in CURRCMDs*/
2385                 *ccb_Q = NULL;
2386         else {
2387                 while(TempCCB->ccb_h.ccb_ccb_ptr != (char *)ccb)
2388                         TempCCB = (union ccb *)TempCCB->ccb_h.ccb_ccb_ptr;
2389
2390                 TempCCB->ccb_h.ccb_ccb_ptr = ccb->ccb_h.ccb_ccb_ptr;
2391
2392                 if(*ccb_Q == ccb)
2393                         *ccb_Q = TempCCB;
2394         }
2395 }
2396
2397 #ifdef SUPPORT_ARRAY
2398 /***************************************************************************
2399  * Function:     hpt_worker_thread
2400  * Description:  Do background rebuilding. Execute in kernel thread context.
2401  * Returns:      None
2402  ***************************************************************************/
2403 static void hpt_worker_thread(void)
2404 {
2405         for(;;) {
2406                 while (DpcQueue_First!=DpcQueue_Last) {
2407                         ST_HPT_DPC p;
2408                         lock_driver();
2409                         p = DpcQueue[DpcQueue_First];
2410                         DpcQueue_First++;
2411                         DpcQueue_First %= MAX_DPC;
2412                         DPC_Request_Nums++;
2413                         unlock_driver();
2414                         p.dpc(p.pAdapter, p.arg, p.flags);
2415
2416                         lock_driver();
2417                         DPC_Request_Nums--;
2418                         /* since we may have prevented Check_Idle_Call, do it here */
2419                         if (DPC_Request_Nums==0) {
2420                                 if (p.pAdapter->outstandingCommands == 0) {
2421                                         _VBUS_INST(&p.pAdapter->VBus);
2422                                         Check_Idle_Call(p.pAdapter);
2423                                         CheckPendingCall(_VBUS_P0);
2424                                 }
2425                         }
2426                         unlock_driver();
2427
2428                         /*Schedule out*/
2429                         tsleep((caddr_t)hpt_worker_thread, 0, "sched", 1);
2430                         if (SIGISMEMBER(curproc->p_siglist, SIGSTOP)) {
2431                                 /* abort rebuilding process. */
2432                                 IAL_ADAPTER_T *pAdapter;
2433                                 PVDevice      pArray;
2434                                 PVBus         _vbus_p;
2435                                 int i;
2436                                 pAdapter = gIal_Adapter;
2437
2438                                 while(pAdapter != NULL){
2439
2440                                         _vbus_p = &pAdapter->VBus;
2441
2442                                         for (i=0;i<MAX_ARRAY_PER_VBUS;i++)
2443                                         {
2444                                                 if ((pArray=ArrayTables(i))->u.array.dArStamp==0)
2445                                                         continue;
2446                                                 else if (pArray->u.array.rf_rebuilding ||
2447                                                                 pArray->u.array.rf_verifying ||
2448                                                                 pArray->u.array.rf_initializing)
2449                                                         {
2450                                                                 pArray->u.array.rf_abort_rebuild = 1;
2451                                                         }
2452                                         }
2453                                         pAdapter = pAdapter->next;
2454                                 }
2455                         }
2456                 }
2457
2458 /*Remove this debug option*/
2459 /*
2460 #ifdef DEBUG
2461                 if (SIGISMEMBER(curproc->p_siglist, SIGSTOP))
2462                         tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);
2463 #endif
2464 */
2465                 kproc_suspend_loop();
2466                 tsleep((caddr_t)hpt_worker_thread, 0, "hptrdy", 2*hz);  /* wait for something to do */
2467         }
2468 }
2469
2470 static struct kproc_desc hpt_kp = {
2471         "hpt_wt",
2472         hpt_worker_thread,
2473         &hptdaemonproc
2474 };
2475
2476 /*Start this thread in the hpt_attach, to prevent kernel from loading it without our controller.*/
2477 static void
2478 launch_worker_thread(void)
2479 {
2480         IAL_ADAPTER_T *pAdapTemp;
2481
2482         kproc_start(&hpt_kp);
2483
2484         for (pAdapTemp = gIal_Adapter; pAdapTemp; pAdapTemp = pAdapTemp->next) {
2485
2486                 _VBUS_INST(&pAdapTemp->VBus)
2487                 int i;
2488                 PVDevice pVDev;
2489
2490                 for(i = 0; i < MAX_ARRAY_PER_VBUS; i++)
2491                         if ((pVDev=ArrayTables(i))->u.array.dArStamp==0)
2492                                 continue;
2493                         else{
2494                                 if (pVDev->u.array.rf_need_rebuild && !pVDev->u.array.rf_rebuilding)
2495                                         hpt_queue_dpc((HPT_DPC)hpt_rebuild_data_block, pAdapTemp, pVDev,
2496                                         (UCHAR)((pVDev->u.array.CriticalMembers || pVDev->VDeviceType == VD_RAID_1)? DUPLICATE : REBUILD_PARITY));
2497                         }
2498         }
2499 }
2500 /*
2501  *SYSINIT(hptwt, SI_SUB_KTHREAD_IDLE, SI_ORDER_FIRST, launch_worker_thread, NULL);
2502 */
2503
2504 #endif
2505
2506 /********************************************************************************/
2507
2508 static int HPTLIBAPI fOsBuildSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSg, int logical)
2509 {
2510         union ccb *ccb = (union ccb *)pCmd->pOrgCommand;
2511         bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2512         int idx;
2513
2514         if(logical) {
2515                 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
2516                         panic("physical address unsupported");
2517
2518                 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2519                         if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2520                                 panic("physical address unsupported");
2521
2522                         for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2523                                 pSg[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2524                                 pSg[idx].wSgSize = sgList[idx].ds_len;
2525                                 pSg[idx].wSgFlag = (idx==ccb->csio.sglist_cnt-1)? SG_FLAG_EOT : 0;
2526                         }
2527                 }
2528                 else {
2529                         pSg->dSgAddress = (ULONG_PTR)(UCHAR *)ccb->csio.data_ptr;
2530                         pSg->wSgSize = ccb->csio.dxfer_len;
2531                         pSg->wSgFlag = SG_FLAG_EOT;
2532                 }
2533                 return TRUE;
2534         }
2535
2536         /* since we have provided physical sg, nobody will ask us to build physical sg */
2537         HPT_ASSERT(0);
2538         return FALSE;
2539 }
2540
2541 /*******************************************************************************/
2542 ULONG HPTLIBAPI
2543 GetStamp(void)
2544 {
2545         /*
2546          * the system variable, ticks, can't be used since it hasn't yet been active
2547          * when our driver starts (ticks==0, it's a invalid stamp value)
2548          */
2549         ULONG stamp;
2550         do { stamp = krandom(); } while (stamp==0);
2551         return stamp;
2552 }
2553
2554
2555 static void
2556 SetInquiryData(PINQUIRYDATA inquiryData, PVDevice pVDev)
2557 {
2558         int i;
2559         IDENTIFY_DATA2 *pIdentify = (IDENTIFY_DATA2*)pVDev->u.disk.mv->identifyDevice;
2560
2561         inquiryData->DeviceType = T_DIRECT; /*DIRECT_ACCESS_DEVICE*/
2562         inquiryData->AdditionalLength = (UCHAR)(sizeof(INQUIRYDATA) - 5);
2563 #ifndef SERIAL_CMDS
2564         inquiryData->CommandQueue = 1;
2565 #endif
2566
2567         switch(pVDev->VDeviceType) {
2568         case VD_SINGLE_DISK:
2569         case VD_ATAPI:
2570         case VD_REMOVABLE:
2571                 /* Set the removable bit, if applicable. */
2572                 if ((pVDev->u.disk.df_removable_drive) || (pIdentify->GeneralConfiguration & 0x80))
2573                         inquiryData->RemovableMedia = 1;
2574
2575                 /* Fill in vendor identification fields. */
2576                 for (i = 0; i < 8; i += 2) {
2577                         inquiryData->VendorId[i]        = ((PUCHAR)pIdentify->ModelNumber)[i + 1];
2578                         inquiryData->VendorId[i+1]      = ((PUCHAR)pIdentify->ModelNumber)[i];
2579
2580                 }
2581
2582                 /* Initialize unused portion of product id. */
2583                 for (i = 0; i < 4; i++) inquiryData->ProductId[12+i] = ' ';
2584
2585                 /* firmware revision */
2586                 for (i = 0; i < 4; i += 2)
2587                 {
2588                         inquiryData->ProductRevisionLevel[i]    = ((PUCHAR)pIdentify->FirmwareRevision)[i+1];
2589                         inquiryData->ProductRevisionLevel[i+1]  = ((PUCHAR)pIdentify->FirmwareRevision)[i];
2590                 }
2591                 break;
2592         default:
2593                 memcpy(&inquiryData->VendorId, "RR18xx  ", 8);
2594 #ifdef SUPPORT_ARRAY
2595                 switch(pVDev->VDeviceType){
2596                 case VD_RAID_0:
2597                         if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2598                                 (pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2599                                 memcpy(&inquiryData->ProductId, "RAID 1/0 Array  ", 16);
2600                         else
2601                                 memcpy(&inquiryData->ProductId, "RAID 0 Array    ", 16);
2602                         break;
2603                 case VD_RAID_1:
2604                         if ((pVDev->u.array.pMember[0] && mIsArray(pVDev->u.array.pMember[0])) ||
2605                                 (pVDev->u.array.pMember[1] && mIsArray(pVDev->u.array.pMember[1])))
2606                                 memcpy(&inquiryData->ProductId, "RAID 0/1 Array  ", 16);
2607                         else
2608                                 memcpy(&inquiryData->ProductId, "RAID 1 Array    ", 16);
2609                         break;
2610                 case VD_RAID_5:
2611                         memcpy(&inquiryData->ProductId, "RAID 5 Array    ", 16);
2612                         break;
2613                 case VD_JBOD:
2614                         memcpy(&inquiryData->ProductId, "JBOD Array      ", 16);
2615                         break;
2616                 }
2617 #endif
2618                 memcpy(&inquiryData->ProductRevisionLevel, "3.00", 4);
2619                 break;
2620         }
2621 }
2622
2623 static void
2624 hpt_timeout(void *arg)
2625 {
2626         _VBUS_INST(&((PBUS_DMAMAP)((union ccb *)arg)->ccb_adapter)->pAdapter->VBus)
2627         lock_driver();
2628         fResetVBus(_VBUS_P0);
2629         unlock_driver();
2630 }
2631
2632 static void
2633 hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
2634 {
2635         PCommand pCmd = (PCommand)arg;
2636         union ccb *ccb = pCmd->pOrgCommand;
2637         struct ccb_hdr *ccb_h = &ccb->ccb_h;
2638         PBUS_DMAMAP pmap = (PBUS_DMAMAP) ccb->ccb_adapter;
2639         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2640         PVDevice        pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2641         FPSCAT_GATH psg = pCmd->pSgTable;
2642         int idx;
2643         _VBUS_INST(pVDev->pVBus)
2644
2645         HPT_ASSERT(pCmd->cf_physical_sg);
2646
2647         if (error || nsegs == 0)
2648                 panic("busdma error");
2649
2650         HPT_ASSERT(nsegs<= MAX_SG_DESCRIPTORS);
2651
2652         for (idx = 0; idx < nsegs; idx++, psg++) {
2653                 psg->dSgAddress = (ULONG_PTR)(UCHAR *)segs[idx].ds_addr;
2654                 psg->wSgSize = segs[idx].ds_len;
2655                 psg->wSgFlag = (idx == nsegs-1)? SG_FLAG_EOT: 0;
2656 /*              KdPrint(("psg[%d]:add=%p,size=%x,flag=%x\n", idx, psg->dSgAddress,psg->wSgSize,psg->wSgFlag)); */
2657         }
2658 /*      psg[-1].wSgFlag = SG_FLAG_EOT; */
2659
2660         if (pCmd->cf_data_in) {
2661                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREREAD);
2662         }
2663         else if (pCmd->cf_data_out) {
2664                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_PREWRITE);
2665         }
2666
2667         callout_reset(&ccb->ccb_h.timeout_ch, 20*hz, hpt_timeout, ccb);
2668         pVDev->pfnSendCommand(_VBUS_P pCmd);
2669         CheckPendingCall(_VBUS_P0);
2670 }
2671
2672
2673
2674 static void HPTLIBAPI
2675 OsSendCommand(_VBUS_ARG union ccb *ccb)
2676 {
2677         PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2678         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2679         struct ccb_hdr *ccb_h = &ccb->ccb_h;
2680         struct ccb_scsiio *csio = &ccb->csio;
2681         PVDevice        pVDev = pAdapter->VBus.pVDevice[ccb_h->target_id];
2682
2683         KdPrintI(("OsSendCommand: ccb %p  cdb %x-%x-%x\n",
2684                 ccb,
2685                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[0],
2686                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[4],
2687                 *(ULONG *)&ccb->csio.cdb_io.cdb_bytes[8]
2688         ));
2689
2690         pAdapter->outstandingCommands++;
2691
2692         if (pVDev == NULL || pVDev->vf_online == 0) {
2693                 ccb->ccb_h.status = CAM_REQ_INVALID;
2694                 ccb_done(ccb);
2695                 goto Command_Complished;
2696         }
2697
2698         switch(ccb->csio.cdb_io.cdb_bytes[0])
2699         {
2700                 case TEST_UNIT_READY:
2701                 case START_STOP_UNIT:
2702                 case SYNCHRONIZE_CACHE:
2703                         /* FALLTHROUGH */
2704                         ccb->ccb_h.status = CAM_REQ_CMP;
2705                         break;
2706
2707                 case INQUIRY:
2708                         ZeroMemory(ccb->csio.data_ptr, ccb->csio.dxfer_len);
2709                         SetInquiryData((PINQUIRYDATA)ccb->csio.data_ptr, pVDev);
2710                         ccb_h->status = CAM_REQ_CMP;
2711                         break;
2712
2713                 case READ_CAPACITY:
2714                 {
2715                         UCHAR *rbuf=csio->data_ptr;
2716                         unsigned int cap;
2717
2718                         if (pVDev->VDeviceCapacity > 0xfffffffful) {
2719                                 cap = 0xfffffffful;
2720                         } else {
2721                                 cap = pVDev->VDeviceCapacity - 1;
2722                         }
2723
2724                         rbuf[0] = (UCHAR)(cap>>24);
2725                         rbuf[1] = (UCHAR)(cap>>16);
2726                         rbuf[2] = (UCHAR)(cap>>8);
2727                         rbuf[3] = (UCHAR)cap;
2728                         /* Claim 512 byte blocks (big-endian). */
2729                         rbuf[4] = 0;
2730                         rbuf[5] = 0;
2731                         rbuf[6] = 2;
2732                         rbuf[7] = 0;
2733
2734                         ccb_h->status = CAM_REQ_CMP;
2735                         break;
2736                 }
2737
2738                 case 0x9e: /*SERVICE_ACTION_IN*/
2739                 {
2740                         UCHAR *rbuf = csio->data_ptr;
2741                         LBA_T cap = pVDev->VDeviceCapacity - 1;
2742
2743                         rbuf[0] = (UCHAR)(cap>>56);
2744                         rbuf[1] = (UCHAR)(cap>>48);
2745                         rbuf[2] = (UCHAR)(cap>>40);
2746                         rbuf[3] = (UCHAR)(cap>>32);
2747                         rbuf[4] = (UCHAR)(cap>>24);
2748                         rbuf[5] = (UCHAR)(cap>>16);
2749                         rbuf[6] = (UCHAR)(cap>>8);
2750                         rbuf[7] = (UCHAR)cap;
2751                         rbuf[8] = 0;
2752                         rbuf[9] = 0;
2753                         rbuf[10] = 2;
2754                         rbuf[11] = 0;
2755
2756                         ccb_h->status = CAM_REQ_CMP;
2757                         break;
2758                 }
2759
2760                 case READ_6:
2761                 case WRITE_6:
2762                 case READ_10:
2763                 case WRITE_10:
2764                 case 0x88: /* READ_16 */
2765                 case 0x8a: /* WRITE_16 */
2766                 case 0x13:
2767                 case 0x2f:
2768                 {
2769                         UCHAR Cdb[16];
2770                         UCHAR CdbLength;
2771                         _VBUS_INST(pVDev->pVBus)
2772                         PCommand pCmd = AllocateCommand(_VBUS_P0);
2773                         HPT_ASSERT(pCmd);
2774
2775                         CdbLength = csio->cdb_len;
2776                         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0)
2777                         {
2778                                 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) == 0)
2779                                 {
2780                                         bcopy(csio->cdb_io.cdb_ptr, Cdb, CdbLength);
2781                                 }
2782                                 else
2783                                 {
2784                                         KdPrintE(("ERROR!!!\n"));
2785                                         ccb->ccb_h.status = CAM_REQ_INVALID;
2786                                         break;
2787                                 }
2788                         }
2789                         else
2790                         {
2791                                 bcopy(csio->cdb_io.cdb_bytes, Cdb, CdbLength);
2792                         }
2793
2794                         pCmd->pOrgCommand = ccb;
2795                         pCmd->pVDevice = pVDev;
2796                         pCmd->pfnCompletion = fOsCommandDone;
2797                         pCmd->pfnBuildSgl = fOsBuildSgl;
2798                         pCmd->pSgTable = pmap->psg;
2799
2800                         switch (Cdb[0])
2801                         {
2802                                 case READ_6:
2803                                 case WRITE_6:
2804                                 case 0x13:
2805                                         pCmd->uCmd.Ide.Lba =  ((ULONG)Cdb[1] << 16) | ((ULONG)Cdb[2] << 8) | (ULONG)Cdb[3];
2806                                         pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[4];
2807                                         break;
2808
2809                                 case 0x88: /* READ_16 */
2810                                 case 0x8a: /* WRITE_16 */
2811                                         pCmd->uCmd.Ide.Lba =
2812                                                 (HPT_U64)Cdb[2] << 56 |
2813                                                 (HPT_U64)Cdb[3] << 48 |
2814                                                 (HPT_U64)Cdb[4] << 40 |
2815                                                 (HPT_U64)Cdb[5] << 32 |
2816                                                 (HPT_U64)Cdb[6] << 24 |
2817                                                 (HPT_U64)Cdb[7] << 16 |
2818                                                 (HPT_U64)Cdb[8] << 8 |
2819                                                 (HPT_U64)Cdb[9];
2820                                         pCmd->uCmd.Ide.nSectors = (USHORT)Cdb[12] << 8 | (USHORT)Cdb[13];
2821                                         break;
2822
2823                                 default:
2824                                         pCmd->uCmd.Ide.Lba = (ULONG)Cdb[5] | ((ULONG)Cdb[4] << 8) | ((ULONG)Cdb[3] << 16) | ((ULONG)Cdb[2] << 24);
2825                                         pCmd->uCmd.Ide.nSectors = (USHORT) Cdb[8] | ((USHORT)Cdb[7]<<8);
2826                                         break;
2827                         }
2828
2829                         switch (Cdb[0])
2830                         {
2831                                 case READ_6:
2832                                 case READ_10:
2833                                 case 0x88: /* READ_16 */
2834                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_READ;
2835                                         pCmd->cf_data_in = 1;
2836                                         break;
2837
2838                                 case WRITE_6:
2839                                 case WRITE_10:
2840                                 case 0x8a: /* WRITE_16 */
2841                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_WRITE;
2842                                         pCmd->cf_data_out = 1;
2843                                         break;
2844                                 case 0x13:
2845                                 case 0x2f:
2846                                         pCmd->uCmd.Ide.Command = IDE_COMMAND_VERIFY;
2847                                         break;
2848                         }
2849 /*///////////////////////// */
2850                         if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2851                                 int idx;
2852                                 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
2853
2854                                 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
2855                                         pCmd->cf_physical_sg = 1;
2856
2857                                 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
2858                                         pCmd->pSgTable[idx].dSgAddress = (ULONG_PTR)(UCHAR *)sgList[idx].ds_addr;
2859                                         pCmd->pSgTable[idx].wSgSize = sgList[idx].ds_len;
2860                                         pCmd->pSgTable[idx].wSgFlag= (idx==ccb->csio.sglist_cnt-1)?SG_FLAG_EOT: 0;
2861                                 }
2862
2863                                 callout_reset(&ccb->ccb_h.timeout_ch, 20*hz, hpt_timeout, ccb);
2864                                 pVDev->pfnSendCommand(_VBUS_P pCmd);
2865                         }
2866                         else {
2867                                 int error;
2868                                 pCmd->cf_physical_sg = 1;
2869                                 error = bus_dmamap_load(pAdapter->io_dma_parent,
2870                                                         pmap->dma_map,
2871                                                         ccb->csio.data_ptr, ccb->csio.dxfer_len,
2872                                                         hpt_io_dmamap_callback, pCmd,
2873                                                         BUS_DMA_WAITOK
2874                                                 );
2875                                 KdPrint(("bus_dmamap_load return %d\n", error));
2876                                 if (error && error!=EINPROGRESS) {
2877                                         hpt_printk(("bus_dmamap_load error %d\n", error));
2878                                         FreeCommand(_VBUS_P pCmd);
2879                                         ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2880                                         dmamap_put(pmap);
2881                                         pAdapter->outstandingCommands--;
2882                                         xpt_done(ccb);
2883                                 }
2884                         }
2885                         goto Command_Complished;
2886                 }
2887
2888                 default:
2889                         ccb->ccb_h.status = CAM_REQ_INVALID;
2890                         break;
2891         }
2892         ccb_done(ccb);
2893 Command_Complished:
2894         CheckPendingCall(_VBUS_P0);
2895         return;
2896 }
2897
2898 static void HPTLIBAPI
2899 fOsCommandDone(_VBUS_ARG PCommand pCmd)
2900 {
2901         union ccb *ccb = pCmd->pOrgCommand;
2902         PBUS_DMAMAP pmap = (PBUS_DMAMAP)ccb->ccb_adapter;
2903         IAL_ADAPTER_T *pAdapter = pmap->pAdapter;
2904
2905         KdPrint(("fOsCommandDone(pcmd=%p, result=%d)\n", pCmd, pCmd->Result));
2906
2907         callout_stop(&ccb->ccb_h.timeout_ch);
2908
2909         switch(pCmd->Result) {
2910         case RETURN_SUCCESS:
2911                 ccb->ccb_h.status = CAM_REQ_CMP;
2912                 break;
2913         case RETURN_BAD_DEVICE:
2914                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2915                 break;
2916         case RETURN_DEVICE_BUSY:
2917                 ccb->ccb_h.status = CAM_BUSY;
2918                 break;
2919         case RETURN_INVALID_REQUEST:
2920                 ccb->ccb_h.status = CAM_REQ_INVALID;
2921                 break;
2922         case RETURN_SELECTION_TIMEOUT:
2923                 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2924                 break;
2925         case RETURN_RETRY:
2926                 ccb->ccb_h.status = CAM_BUSY;
2927                 break;
2928         default:
2929                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2930                 break;
2931         }
2932
2933         if (pCmd->cf_data_in) {
2934                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTREAD);
2935         }
2936         else if (pCmd->cf_data_out) {
2937                 bus_dmamap_sync(pAdapter->io_dma_parent, pmap->dma_map, BUS_DMASYNC_POSTWRITE);
2938         }
2939
2940         bus_dmamap_unload(pAdapter->io_dma_parent, pmap->dma_map);
2941
2942         FreeCommand(_VBUS_P pCmd);
2943         ccb_done(ccb);
2944 }
2945
2946 int
2947 hpt_queue_dpc(HPT_DPC dpc, IAL_ADAPTER_T * pAdapter, void *arg, UCHAR flags)
2948 {
2949         int p;
2950
2951         p = (DpcQueue_Last + 1) % MAX_DPC;
2952         if (p==DpcQueue_First) {
2953                 KdPrint(("DPC Queue full!\n"));
2954                 return -1;
2955         }
2956
2957         DpcQueue[DpcQueue_Last].dpc = dpc;
2958         DpcQueue[DpcQueue_Last].pAdapter = pAdapter;
2959         DpcQueue[DpcQueue_Last].arg = arg;
2960         DpcQueue[DpcQueue_Last].flags = flags;
2961         DpcQueue_Last = p;
2962
2963         return 0;
2964 }
2965
2966 #ifdef _RAID5N_
2967 /*
2968  * Allocate memory above 16M, otherwise we may eat all low memory for ISA devices.
2969  * How about the memory for 5081 request/response array and PRD table?
2970  */
2971 void
2972 *os_alloc_page(_VBUS_ARG0)
2973 {
2974         return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2975 }
2976
2977 void
2978 *os_alloc_dma_page(_VBUS_ARG0)
2979 {
2980         return (void *)contigmalloc(0x1000, M_DEVBUF, M_NOWAIT, 0x1000000, 0xffffffff, PAGE_SIZE, 0ul);
2981 }
2982
2983 void
2984 os_free_page(_VBUS_ARG void *p)
2985 {
2986         contigfree(p, 0x1000, M_DEVBUF);
2987 }
2988
2989 void
2990 os_free_dma_page(_VBUS_ARG void *p)
2991 {
2992         contigfree(p, 0x1000, M_DEVBUF);
2993 }
2994
2995 void
2996 DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes)
2997 {
2998         UINT i;
2999         for (i = 0; i < nBytes / 4; i++) *p0++ = *p1++ ^ *p2++;
3000 }
3001
3002 void
3003 DoXor2(ULONG *p0, ULONG *p2, UINT nBytes)
3004 {
3005         UINT i;
3006         for (i = 0; i < nBytes / 4; i++) *p0++ ^= *p2++;
3007 }
3008 #endif