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[UNIATA]

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* Sync to 0.44c3.
CORE-6649 #resolve #comment Committed in r58151. Thanks Alter ;)
CORE-6563

svn path=/trunk/; revision=58151
This commit is contained in:
Amine Khaldi 2013-01-09 17:19:26 +00:00
parent 4fffa4fbc6
commit 296c68fb57
2 changed files with 68 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

10
reactos/drivers/storage/ide/uniata/atapi.h
View file

@ -533,8 +533,16 @@ typedef union _ATAPI_REGISTERS_2 {
// ATAPI interrupt reasons
//
// for IDX_ATAPI_IO1_i_InterruptReason
#define ATAPI_IR_COD 0x01
#define ATAPI_IR_IO 0x02
#define ATAPI_IR_COD_Data 0x0
#define ATAPI_IR_COD_Cmd 0x1
#define ATAPI_IR_IO 0x02
#define ATAPI_IR_IO_toDev 0x00
#define ATAPI_IR_IO_toHost 0x02
#define ATAPI_IR_Mask 0x03
//
// ATA Features

79
reactos/drivers/storage/ide/uniata/id_ata.cpp
View file

@ -725,16 +725,23 @@ AtapiSoftReset(
}
} else {
AtapiStallExecution(500);
GetBaseStatus(chan, statusByte2);
AtapiWritePort1(chan, IDX_IO1_o_Command, IDE_COMMAND_ATAPI_RESET);
AtapiStallExecution(30);
// Wait for BUSY assertion, in some cases delay may occure
while (!(AtapiReadPort1(chan, IDX_IO1_i_Status) & IDE_STATUS_BUSY) &&
i--)
{
AtapiStallExecution(30);
// Do not wait for BUSY assertion if it was initially set, jump to
// BUSY release wait loop
if(!(statusByte2 & IDE_STATUS_BUSY)) {
// Wait for BUSY assertion, in some cases delay may occure
// 100ms should be enough
i = 10*1000;
while (!(AtapiReadPort1(chan, IDX_IO1_i_Status) & IDE_STATUS_BUSY) &&
i--)
{
AtapiStallExecution(10);
}
}
i = 30 * 1000;
// ReactOS modification: Already stop looping when we know that the drive has finished resetting.
// Not all controllers clear the IDE_STATUS_BUSY flag (e.g. not the VMware one), so ensure that
// the maximum waiting time (30 * i = 0.9 seconds) does not exceed the one of the original
@ -4492,7 +4499,7 @@ skip_dma_stat_check:
KdPrint2((PRINT_PREFIX " OurInterrupt = %d\n", OurInterrupt));
return OurInterrupt;
}
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & 0x3);
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask);
KdPrint3((PRINT_PREFIX "AtapiCheckInterrupt__: ATAPI int reason %x\n", interruptReason));
return OurInterrupt;
}
@ -4847,7 +4854,7 @@ try_dpc_wait:
if(deviceExtension->HwFlags & UNIATA_AHCI) {
KdPrint3((PRINT_PREFIX " AHCI branch (ATAPI)\n"));
} else {
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & 0x3);
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask);
KdPrint3((PRINT_PREFIX "AtapiInterrupt: iReason %x\n", interruptReason));
}
@ -5016,7 +5023,7 @@ continue_err:
}
}
} else {
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & 0x3);
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask);
KdPrint3((PRINT_PREFIX "AtapiInterrupt: ATAPI Error, int reason %x\n", interruptReason));
if(DmaTransfer && (chan->lun[DeviceNumber]->TransferMode > ATA_UDMA2) &&
@ -5086,7 +5093,7 @@ continue_PIO:
KdPrint2((PRINT_PREFIX "AtapiInterrupt: ATAPI branch\n"));
// ATAPI branch
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & 0x3);
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask);
KdPrint3((PRINT_PREFIX "AtapiInterrupt: iReason %x\n", interruptReason));
if(DmaTransfer) {
wordsThisInterrupt = DEV_BSIZE/2*512;
@ -5113,10 +5120,10 @@ continue_PIO:
if (srb->SrbFlags & SRB_FLAGS_DATA_IN) {
interruptReason = 0x2;
interruptReason = ATAPI_IR_IO_toHost;
} else if (srb->SrbFlags & SRB_FLAGS_DATA_OUT) {
interruptReason = 0x0;
interruptReason = ATAPI_IR_IO_toDev;
} else {
status = SRB_STATUS_ERROR;
@ -5164,13 +5171,13 @@ IntrPrepareResetController:
goto ReturnEnableIntr;
} else {
interruptReason = (srb->SrbFlags & SRB_FLAGS_DATA_IN) ? 0x2 : 0x0;
interruptReason = (srb->SrbFlags & SRB_FLAGS_DATA_IN) ? ATAPI_IR_IO_toHost : ATAPI_IR_IO_toDev;
}
} else {
// Command complete - verify, write, or the SMART enable/disable.
// Also get_media_status
interruptReason = 0x3;
interruptReason = ATAPI_IR_IO_toHost | ATAPI_IR_COD_Cmd;
}
}
}
@ -5196,7 +5203,7 @@ IntrPrepareResetController:
chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION;
goto CompleteRequest;
} else
if (interruptReason == 0x1 && (statusByte & IDE_STATUS_DRQ)) {
if (interruptReason == ATAPI_IR_COD_Cmd && (statusByte & IDE_STATUS_DRQ)) {
// Write the packet.
KdPrint3((PRINT_PREFIX "AtapiInterrupt: Writing Atapi packet.\n"));
// Send CDB to device.
@ -5212,7 +5219,7 @@ IntrPrepareResetController:
goto ReturnEnableIntr;
} else if (interruptReason == 0x0 && (statusByte & IDE_STATUS_DRQ)) {
} else if (interruptReason == ATAPI_IR_IO_toDev && (statusByte & IDE_STATUS_DRQ)) {
// Write the data.
if (atapiDev) {
@ -5319,7 +5326,7 @@ IntrPrepareResetController:
goto ReturnEnableIntr;
} else if (interruptReason == 0x2 && (statusByte & IDE_STATUS_DRQ)) {
} else if (interruptReason == ATAPI_IR_IO_toHost && (statusByte & IDE_STATUS_DRQ)) {
if (atapiDev) {
@ -5515,7 +5522,7 @@ IntrPrepareResetController:
goto ReturnEnableIntr;
} else if (interruptReason == 0x3 && !(statusByte & IDE_STATUS_DRQ)) {
} else if (interruptReason == (ATAPI_IR_IO_toHost | ATAPI_IR_COD_Cmd) && !(statusByte & IDE_STATUS_DRQ)) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: interruptReason = CompleteRequest\n"));
// Command complete.
@ -5663,7 +5670,8 @@ CompleteRequest:
AtaReq->OriginalSrb);
} else {
// last request was illegal. No point trying again
// last request was illegal. No point trying again.
// Do-nothing call ?
AtapiHwInitializeChanger (HwDeviceExtension,
srb,
(PMECHANICAL_STATUS_INFORMATION_HEADER) NULL);
@ -5706,6 +5714,7 @@ CompleteRequest:
if (AtaReq->OriginalSrb) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: call AtapiHwInitializeChanger()\n"));
// Do-nothing call ?
AtapiHwInitializeChanger (HwDeviceExtension,
srb,
(PMECHANICAL_STATUS_INFORMATION_HEADER) NULL);
@ -6756,7 +6765,7 @@ AtapiSendCommand(
//ULONG ldev = GET_LDEV(Srb);
ULONG DeviceNumber = GET_CDEV(Srb);
ULONG flags;
UCHAR statusByte,byteCountLow,byteCountHigh;
UCHAR statusByte,statusByte0,byteCountLow,byteCountHigh;
BOOLEAN use_dma = FALSE;
BOOLEAN dma_reinited = FALSE;
BOOLEAN retried = FALSE;
@ -6901,9 +6910,27 @@ AtapiSendCommand(
KdPrint2((PRINT_PREFIX "AtapiSendCommand: SRB_STATUS_PENDING (2)\n"));
return srbStatus;
} else {
// failed! Get the sense key and maybe try again
AtaReq->Srb = BuildRequestSenseSrb ( HwDeviceExtension,
AtaReq->OriginalSrb);
srbStatus = AtapiSendCommand(HwDeviceExtension, AtaReq->Srb, CMD_ACTION_ALL);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: chan->ExpectingInterrupt %d (1)\n", chan->ExpectingInterrupt));
if (srbStatus == SRB_STATUS_PENDING) {
KdPrint2((PRINT_PREFIX "AtapiSendCommand: send orig SRB_STATUS_PENDING (2.1)\n"));
return srbStatus;
}
// failed again ? should not get here
AtaReq->Srb = AtaReq->OriginalSrb;
AtaReq->OriginalSrb = NULL;
KdPrint2((PRINT_PREFIX "AtapiSendCommand: AtapiHwInitializeChanger()\n"));
// Do-nothing call ?
AtapiHwInitializeChanger (HwDeviceExtension, Srb,
(PMECHANICAL_STATUS_INFORMATION_HEADER) NULL);
// fall out
@ -7395,6 +7422,8 @@ make_reset:
if(g_opt_AtapiSendDisableIntr) {
AtapiDisableInterrupts(deviceExtension, lChannel);
}
// remember status. Later we may check if error appeared after cmd packet
statusByte0 = statusByte;
// Write ATAPI packet command.
AtapiWritePort1(chan, IDX_IO1_o_Command, IDE_COMMAND_ATAPI_PACKET);
@ -7442,9 +7471,19 @@ make_reset:
GetStatus(chan, statusByte);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: cmd status (%#x)\n", statusByte));
// When we operate in DMA mode, we should not start transfer when there is an error on entry
// Interrupt may never come in such case.
if(statusByte & IDE_STATUS_ERROR) {
UCHAR interruptReason;
GetBaseStatus(chan, statusByte);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: Error on cmd: (%#x)\n", statusByte));
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: iReason %x\n", interruptReason));
// TODO: we should check interruptReason and decide what to do now
// Read the error reg. to clear it and fail this request.
AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE;
return MapError(deviceExtension, Srb);