[akhaldi] 58151: [UNIATA] * Sync to 0.44c3. CORE-6649 #resolve #comment Committed in r58151. Thanks Alter ; ) CORE-6563
9 Jan
2013
9 Jan
'13
5:19 p.m.
Author: akhaldi
Date: Wed Jan 9 17:19:26 2013
New Revision: 58151
URL: http://svn.reactos.org/svn/reactos?rev=58151&view=rev
Log:
[UNIATA]
* Sync to 0.44c3.
CORE-6649 #resolve #comment Committed in r58151. Thanks Alter ;)
CORE-6563
Modified:
trunk/reactos/drivers/storage/ide/uniata/atapi.h
trunk/reactos/drivers/storage/ide/uniata/id_ata.cpp
Modified: trunk/reactos/drivers/storage/ide/uniata/atapi.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/ide/uniata…
==============================================================================
--- trunk/reactos/drivers/storage/ide/uniata/atapi.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/ide/uniata/atapi.h [iso-8859-1] Wed Jan 9 17:19:26
2013
@@ -533,8 +533,16 @@
// 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
Modified: trunk/reactos/drivers/storage/ide/uniata/id_ata.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/ide/uniata…
==============================================================================
--- trunk/reactos/drivers/storage/ide/uniata/id_ata.cpp [iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/ide/uniata/id_ata.cpp [iso-8859-1] Wed Jan 9 17:19:26
2013
@@ -725,16 +725,23 @@
}
} 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 @@
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 @@
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 @@
}
}
} 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
//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 @@
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 @@
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 @@
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);
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