3 Copyright (c) 2002-2014 Alexandr A. Telyatnikov (Alter)
9 This is the miniport driver for ATA/ATAPI IDE controllers
10 with Busmaster DMA and Serial ATA support
13 Alexander A. Telyatnikov (Alter)
20 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 The skeleton was taken from standard ATAPI.SYS from NT4 DDK by
37 Some parts of code were taken from FreeBSD 4.3-6.1 ATA driver by
38 Søren Schmidt, Copyright (c) 1998-2007
40 All parts of code are significantly changed/updated by
41 Alter, Copyright (c) 2002-2014:
43 1. Internal command queueing/reordering
44 2. Drive identification
45 3. Support for 2 _independent_ channels in a single PCI device
46 4. Smart host<->drive transfer rate slowdown (for bad cable)
47 5. W2k support (binary compatibility)
48 6. HDD hot swap under NT4
49 7. XP support (binary compatibility)
50 8. Serial ATA (SATA/SATA2/SATA3) support
51 9. NT 3.51 support (binary compatibility)
62 static const CHAR ver_string
[] = "\n\nATAPI IDE MiniPort Driver (UniATA) v 0." UNIATA_VER_STR
"\n";
64 static const CHAR uniata_comm_name
[] = UNIATA_COMM_PORT_VENDOR_STR
" \n";
66 UNICODE_STRING SavedRegPath
;
67 WCHAR SavedRegPathBuffer
[256];
71 UCHAR AtaCommands48
[256];
72 UCHAR AtaCommandFlags
[256];
75 ULONG ForceSimplex
= 0;
81 ULONG g_LogToDisplay
= 0;
84 ULONG g_WaitBusyInISR
= 1;
86 ULONG g_opt_WaitBusyCount
= 200; // 20000
87 ULONG g_opt_WaitBusyDelay
= 10; // 150
88 ULONG g_opt_WaitDrqDelay
= 10; // 100
89 ULONG g_opt_WaitBusyLongCount
= 2000; // 2000
90 ULONG g_opt_WaitBusyLongDelay
= 250; // 250
91 ULONG g_opt_MaxIsrWait
= 40; //
92 BOOLEAN g_opt_AtapiSendDisableIntr
= 0; // 0
93 BOOLEAN g_opt_AtapiDmaRawRead
= 1; // 0
94 BOOLEAN hasPCI
= FALSE
;
96 ULONG g_opt_VirtualMachine
= 0; // Auto
98 BOOLEAN InDriverEntry
= TRUE
;
100 BOOLEAN g_opt_Verbose
= 0;
102 BOOLEAN WinVer_WDM_Model
= FALSE
;
104 //UCHAR EnableDma = FALSE;
105 //UCHAR EnableReorder = FALSE;
111 AtapiResetController__(
112 IN PVOID HwDeviceExtension
,
114 IN UCHAR CompleteType
120 IN PHW_DEVICE_EXTENSION deviceExtension
,
126 UniataUserDeviceReset(
127 PHW_DEVICE_EXTENSION deviceExtension
,
128 PHW_LU_EXTENSION LunExt
,
132 #define RESET_COMPLETE_CURRENT 0x00
133 #define RESET_COMPLETE_ALL 0x01
134 #define RESET_COMPLETE_NONE 0x02
141 IN PVOID HwDeviceExtension
144 #ifdef UNIATA_USE_XXableInterrupts
145 #define RETTYPE_XXableInterrupts BOOLEAN
146 #define RETVAL_XXableInterrupts TRUE
148 #define RETTYPE_XXableInterrupts VOID
149 #define RETVAL_XXableInterrupts
152 RETTYPE_XXableInterrupts
155 IN PVOID HwDeviceExtension
158 RETTYPE_XXableInterrupts
160 AtapiEnableInterrupts__(
161 IN PVOID HwDeviceExtension
167 IN PVOID HwDeviceExtension
,
169 IN PHW_TIMER HwScsiTimer
,
170 IN ULONG MiniportTimerValue
173 SCSI_ADAPTER_CONTROL_STATUS
176 IN PVOID HwDeviceExtension
,
177 IN SCSI_ADAPTER_CONTROL_TYPE ControlType
,
187 AtapiRegGetStringParameterValue(
188 IN PWSTR RegistryPath
,
194 #define ITEMS_TO_QUERY 2 // always 1 greater than what is searched
196 RTL_QUERY_REGISTRY_TABLE parameters
[ITEMS_TO_QUERY
];
201 ustr
.MaximumLength
= (USHORT
)MaxLen
;
202 RtlZeroMemory(parameters
, (sizeof(RTL_QUERY_REGISTRY_TABLE
)*ITEMS_TO_QUERY
));
204 parameters
[0].Flags
= RTL_QUERY_REGISTRY_DIRECT
;
205 parameters
[0].Name
= Name
;
206 parameters
[0].EntryContext
= &ustr
;
207 parameters
[0].DefaultType
= REG_SZ
;
208 parameters
[0].DefaultData
= Str
;
209 parameters
[0].DefaultLength
= MaxLen
;
211 status
= RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE
/*| RTL_REGISTRY_OPTIONAL*/,
212 RegistryPath
, parameters
, NULL
, NULL
);
214 if(!NT_SUCCESS(status
))
219 #undef ITEMS_TO_QUERY
220 } // end AtapiRegGetStringParameterValue()
238 if(!nano
|| !g_Perf
|| !g_PerfDt
)
240 t
= (g_Perf
* nano
) / g_PerfDt
/ 1000;
245 KeQuerySystemTime(&t0
);
248 } // end UniataNanoSleep()
250 #define AtapiWritePortN_template(_type, _Type, sz) \
253 AtapiWritePort##sz( \
254 IN PHW_CHANNEL chan, \
255 IN ULONGIO_PTR _port, \
260 if(_port >= IDX_MAX_REG) { \
261 res = (PIORES)(_port); \
264 res = &chan->RegTranslation[_port]; \
266 KdPrint(("invalid io write request @ ch %x, res* %x\n", chan, _port)); \
272 ScsiPortWritePort##_Type((_type*)(res->Addr), data); \
274 /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \
275 ScsiPortWriteRegister##_Type((_type*)(res->Addr), data); \
280 AtapiWritePortN_template(ULONG
, Ulong
, 4);
281 AtapiWritePortN_template(USHORT
, Ushort
, 2);
282 AtapiWritePortN_template(UCHAR
, Uchar
, 1);
284 #define AtapiWritePortExN_template(_type, _Type, sz) \
287 AtapiWritePortEx##sz( \
288 IN PHW_CHANNEL chan, \
289 IN ULONGIO_PTR _port, \
295 if(_port >= IDX_MAX_REG) { \
296 res = (PIORES)(_port); \
299 res = &chan->RegTranslation[_port]; \
301 KdPrint(("invalid io write request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \
307 ScsiPortWritePort##_Type((_type*)(res->Addr+offs), data); \
309 /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \
310 ScsiPortWriteRegister##_Type((_type*)(res->Addr+offs), data); \
315 AtapiWritePortExN_template(ULONG
, Ulong
, 4);
316 //AtapiWritePortExN_template(USHORT, Ushort, 2);
317 AtapiWritePortExN_template(UCHAR
, Uchar
, 1);
319 #define AtapiReadPortN_template(_type, _Type, sz) \
323 IN PHW_CHANNEL chan, \
324 IN ULONGIO_PTR _port \
328 if(_port >= IDX_MAX_REG) { \
329 res = (PIORES)(_port); \
332 res = &chan->RegTranslation[_port]; \
334 KdPrint(("invalid io read request @ ch %x, res* %x\n", chan, _port)); \
335 return (_type)(-1); \
341 /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \
342 return ScsiPortReadPort##_Type((_type*)(res->Addr)); \
344 /*KdPrint(("r_mem @ (%x) %x\n", _port, res->Addr));*/ \
345 return ScsiPortReadRegister##_Type((_type*)(res->Addr)); \
349 AtapiReadPortN_template(ULONG
, Ulong
, 4);
350 AtapiReadPortN_template(USHORT
, Ushort
, 2);
351 AtapiReadPortN_template(UCHAR
, Uchar
, 1);
353 #define AtapiReadPortExN_template(_type, _Type, sz) \
356 AtapiReadPortEx##sz( \
357 IN PHW_CHANNEL chan, \
358 IN ULONGIO_PTR _port, \
363 if(_port >= IDX_MAX_REG) { \
364 res = (PIORES)(_port); \
367 res = &chan->RegTranslation[_port]; \
369 KdPrint(("invalid io read request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \
370 return (_type)(-1); \
376 return ScsiPortReadPort##_Type((_type*)(res->Addr+offs)); \
378 /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \
379 return ScsiPortReadRegister##_Type((_type*)(res->Addr+offs)); \
383 AtapiReadPortExN_template(ULONG
, Ulong
, 4);
384 //AtapiReadPortExN_template(USHORT, Ushort, 2);
385 AtapiReadPortExN_template(UCHAR
, Uchar
, 1);
387 #define AtapiReadPortBufferN_template(_type, _Type, sz) \
390 AtapiReadBuffer##sz( \
391 IN PHW_CHANNEL chan, \
392 IN ULONGIO_PTR _port, \
402 (*((_type*)Buffer)) = AtapiReadPort##sz(chan, _port); \
404 Buffer = ((_type*)Buffer)+1; \
405 UniataNanoSleep(Timing); \
410 if(_port >= IDX_MAX_REG) { \
411 res = (PIORES)(_port); \
414 res = &chan->RegTranslation[_port]; \
416 KdPrint(("invalid io read request @ ch %x, res* %x\n", chan, _port)); \
420 /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \
421 ScsiPortReadPortBuffer##_Type((_type*)(res->Addr), (_type*)Buffer, Count); \
425 (*((_type*)Buffer)) = ScsiPortReadRegister##_Type((_type*)(res->Addr)); \
427 Buffer = ((_type*)Buffer)+1; \
432 #define AtapiWritePortBufferN_template(_type, _Type, sz) \
435 AtapiWriteBuffer##sz( \
436 IN PHW_CHANNEL chan, \
437 IN ULONGIO_PTR _port, \
447 AtapiWritePort##sz(chan, _port, *((_type*)Buffer)); \
448 Buffer = ((_type*)Buffer)+1; \
450 UniataNanoSleep(Timing); \
455 if(_port >= IDX_MAX_REG) { \
456 res = (PIORES)(_port); \
459 res = &chan->RegTranslation[_port]; \
461 KdPrint(("invalid io write request @ ch %x, res* %x\n", chan, _port)); \
465 /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \
466 ScsiPortWritePortBuffer##_Type((_type*)(res->Addr), (_type*)Buffer, Count); \
470 ScsiPortWriteRegister##_Type((_type*)(res->Addr), *((_type*)Buffer)); \
472 Buffer = ((_type*)Buffer)+1; \
477 AtapiWritePortBufferN_template(ULONG
, Ulong
, 4);
478 AtapiWritePortBufferN_template(USHORT
, Ushort
, 2);
480 AtapiReadPortBufferN_template(ULONG
, Ulong
, 4);
481 AtapiReadPortBufferN_template(USHORT
, Ushort
, 2);
493 // Assume, proper drive is already seleted
494 WaitOnBusyLong(chan
);
495 for (i
= 0; i
< 0x10000; i
++) {
497 GetStatus(chan
, statusByte
);
498 if (statusByte
& IDE_STATUS_DRQ
) {
499 // Suck out any remaining bytes and throw away.
500 AtapiReadPort2(chan
, IDX_IO1_i_Data
);
506 KdPrint2((PRINT_PREFIX
"AtapiSuckPort2: overrun detected (%#x words)\n", i
));
509 } // AtapiSuckPort2()
520 GetStatus(chan
, Status
);
521 for (i
=0; i
<g_opt_WaitBusyCount
; i
++) {
522 if (Status
& IDE_STATUS_BUSY
) {
523 AtapiStallExecution(g_opt_WaitBusyDelay
);
524 GetStatus(chan
, Status
);
531 } // end WaitOnBusy()
542 Status
= WaitOnBusy(chan
);
543 if(!(Status
& IDE_STATUS_BUSY
))
545 for (i
=0; i
<g_opt_WaitBusyLongCount
; i
++) {
546 GetStatus(chan
, Status
);
547 if (Status
& IDE_STATUS_BUSY
) {
548 AtapiStallExecution(g_opt_WaitBusyLongDelay
);
555 } // end WaitOnBusyLong()
564 UCHAR Status
= IDE_STATUS_WRONG
;
565 for (i
=0; i
<g_opt_WaitBusyCount
; i
++) {
566 GetBaseStatus(chan
, Status
);
567 if (Status
& IDE_STATUS_BUSY
) {
568 AtapiStallExecution(g_opt_WaitBusyDelay
);
575 } // end WaitOnBaseBusy()
586 Status
= WaitOnBaseBusy(chan
);
587 if(!(Status
& IDE_STATUS_BUSY
))
589 for (i
=0; i
<2000; i
++) {
590 GetBaseStatus(chan
, Status
);
591 if (Status
& IDE_STATUS_BUSY
) {
592 AtapiStallExecution(250);
599 } // end WaitOnBaseBusyLong()
604 IN
struct _HW_DEVICE_EXTENSION
* deviceExtension
,
610 if(Status
== IDE_STATUS_WRONG
) {
611 return IDE_STATUS_WRONG
;
613 if(Status
& IDE_STATUS_BUSY
) {
616 // if(deviceExtension->HwFlags & UNIATA_SATA) {
617 if(UniataIsSATARangeAvailable(deviceExtension
, 0)) {
618 if(Status
& (IDE_STATUS_BUSY
| IDE_STATUS_ERROR
)) {
622 Status2
= Status
& ~(IDE_STATUS_ERROR
| IDE_STATUS_INDEX
);
623 if ((Status
& IDE_STATUS_BUSY
) ||
624 (Status2
!= IDE_STATUS_IDLE
&& Status2
!= IDE_STATUS_DRDY
)) {
628 return IDE_STATUS_IDLE
;
629 } // end UniataIsIdle()
640 for (i
=0; i
<20000; i
++) {
641 GetStatus(chan
, Status
);
642 Status2
= UniataIsIdle(chan
->DeviceExtension
, Status
);
643 if(Status2
== IDE_STATUS_WRONG
) {
647 if(Status2
& IDE_STATUS_BUSY
) {
648 AtapiStallExecution(10);
655 } // end WaitForIdleLong()
665 for (i
=0; i
<1000; i
++) {
666 GetStatus(chan
, Status
);
667 if (Status
& IDE_STATUS_BUSY
) {
668 AtapiStallExecution(g_opt_WaitDrqDelay
);
669 } else if (Status
& IDE_STATUS_DRQ
) {
672 AtapiStallExecution(g_opt_WaitDrqDelay
*2);
676 } // end WaitForDrq()
686 for (i
=0; i
<2; i
++) {
687 GetStatus(chan
, Status
);
688 if (Status
& IDE_STATUS_BUSY
) {
689 AtapiStallExecution(g_opt_WaitDrqDelay
);
690 } else if (Status
& IDE_STATUS_DRQ
) {
693 AtapiStallExecution(g_opt_WaitDrqDelay
);
697 } // end WaitShortForDrq()
706 //ULONG c = chan->lChannel;
708 UCHAR dma_status
= 0;
709 KdPrint2((PRINT_PREFIX
"AtapiSoftReset:\n"));
712 if(chan
->DeviceExtension
->HwFlags
& UNIATA_AHCI
) {
713 UniataAhciSoftReset(chan
->DeviceExtension
, chan
->lChannel
, DeviceNumber
);
717 GetBaseStatus(chan
, statusByte2
);
718 KdPrint2((PRINT_PREFIX
" statusByte2 %x:\n", statusByte2
));
719 SelectDrive(chan
, DeviceNumber
);
720 if(chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_MANUAL_CHS
) {
722 AtapiStallExecution(10000);
723 for (i
= 0; i
< 1000; i
++) {
724 AtapiStallExecution(999);
727 AtapiStallExecution(500);
728 GetBaseStatus(chan
, statusByte2
);
729 AtapiWritePort1(chan
, IDX_IO1_o_Command
, IDE_COMMAND_ATAPI_RESET
);
731 // Do not wait for BUSY assertion if it was initially set, jump to
732 // BUSY release wait loop
733 if(!(statusByte2
& IDE_STATUS_BUSY
)) {
734 // Wait for BUSY assertion, in some cases delay may occure
735 // 100ms should be enough
737 while (!(AtapiReadPort1(chan
, IDX_IO1_i_Status
) & IDE_STATUS_BUSY
) &&
740 AtapiStallExecution(10);
745 // ReactOS modification: Already stop looping when we know that the drive has finished resetting.
746 // Not all controllers clear the IDE_STATUS_BUSY flag (e.g. not the VMware one), so ensure that
747 // the maximum waiting time (30 * i = 0.9 seconds) does not exceed the one of the original
748 // implementation. (which is around 1 second)
749 while ((AtapiReadPort1(chan
, IDX_IO1_i_Status
) & IDE_STATUS_BUSY
) &&
752 AtapiStallExecution(30);
756 SelectDrive(chan
, DeviceNumber
);
758 GetBaseStatus(chan
, statusByte2
);
759 AtapiStallExecution(500);
761 GetBaseStatus(chan
, statusByte2
);
762 if(chan
&& chan
->DeviceExtension
) {
763 dma_status
= GetDmaStatus(chan
->DeviceExtension
, chan
->lChannel
);
764 KdPrint2((PRINT_PREFIX
" DMA status %#x\n", dma_status
));
766 KdPrint2((PRINT_PREFIX
" can't get DMA status\n"));
768 if(dma_status
& BM_STATUS_INTR
) {
769 // bullshit, we have DMA interrupt, but had never initiate DMA operation
770 KdPrint2((PRINT_PREFIX
" clear unexpected DMA intr on ATAPI reset\n"));
771 AtapiDmaDone(chan
->DeviceExtension
, DeviceNumber
, chan
->lChannel
, NULL
);
772 GetBaseStatus(chan
, statusByte2
);
774 if(chan
->DeviceExtension
->HwFlags
& UNIATA_SATA
) {
775 UniataSataClearErr(chan
->DeviceExtension
, chan
->lChannel
, UNIATA_SATA_IGNORE_CONNECT
, DeviceNumber
);
776 /* if(!(chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE)) {
777 UniataSataClearErr(chan->DeviceExtension, chan->lChannel, UNIATA_SATA_IGNORE_CONNECT, 1);
782 } // end AtapiSoftReset()
785 Send command to device.
786 Translate to 48-Lba form if required
791 IN PHW_DEVICE_EXTENSION deviceExtension
,
792 IN ULONG DeviceNumber
,
801 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
806 KdPrint2((PRINT_PREFIX
"AtaCommand48: cntrlr %#x:%#x dev %#x, cmd %#x, lba %#I64x count %#x feature %#x\n",
807 deviceExtension
->DevIndex
, deviceExtension
->Channel
, DeviceNumber
, command
, lba
, count
, feature
));
809 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
810 //PIDE_AHCI_CMD AHCI_CMD = &(chan->AhciCtlBlock->cmd);
812 KdPrint3((" (ahci)\n"));
814 statusByte
= UniataAhciSendPIOCommand(deviceExtension
, lChannel
, DeviceNumber
,
815 (PSCSI_REQUEST_BLOCK
)NULL
,
823 1000 /* timeout 1 sec */
829 SelectDrive(chan
, DeviceNumber
);
831 statusByte
= WaitOnBusy(chan
);
833 /* ready to issue command ? */
834 if (statusByte
& IDE_STATUS_BUSY
) {
835 KdPrint2((PRINT_PREFIX
" Returning BUSY status\n"));
838 // !!! We should not check ERROR condition here
839 // ERROR bit may be asserted durring previous operation
840 // and not cleared after SELECT
842 //>>>>>> NV: 2006/08/03
843 if(((AtaCommandFlags
[command
] & (ATA_CMD_FLAG_LBAIOsupp
|ATA_CMD_FLAG_FUA
)) == ATA_CMD_FLAG_LBAIOsupp
) &&
844 CheckIfBadBlock(chan
->lun
[DeviceNumber
], lba
, count
)) {
845 KdPrint3((PRINT_PREFIX
": artificial bad block, lba %#I64x count %#x\n", lba
, count
));
846 return IDE_STATUS_ERROR
;
847 //return SRB_STATUS_ERROR;
849 //<<<<<< NV: 2006/08/03
851 /* only use 48bit addressing if needed because of the overhead */
852 if (UniAta_need_lba48(command
, lba
, count
,
853 chan
->lun
[DeviceNumber
]->IdentifyData
.FeaturesSupport
.Address48
)) {
855 KdPrint2((PRINT_PREFIX
" dev %#x USE_LBA_48\n", DeviceNumber
));
856 /* translate command into 48bit version */
857 if(AtaCommandFlags
[command
] & ATA_CMD_FLAG_48supp
) {
858 command
= AtaCommands48
[command
];
860 KdPrint2((PRINT_PREFIX
" unhandled LBA48 command\n"));
864 chan
->ChannelCtrlFlags
|= CTRFLAGS_LBA48
;
867 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, (UCHAR
)(feature
>>8));
868 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, (UCHAR
)feature
);
869 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, (UCHAR
)(count
>>8));
870 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, (UCHAR
)count
);
871 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, (UCHAR
)(plba
[3]));
872 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, (UCHAR
)(plba
[0]));
873 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, (UCHAR
)(plba
[4]));
874 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, (UCHAR
)(plba
[1]));
875 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, (UCHAR
)(plba
[5]));
876 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, (UCHAR
)(plba
[2]));
878 //KdPrint2((PRINT_PREFIX "AtaCommand48: dev %#x USE_LBA48 (2)\n", DeviceNumber ));
879 AtapiWritePort1(chan
, IDX_IO1_o_DriveSelect
, IDE_USE_LBA
| (DeviceNumber
? IDE_DRIVE_2
: IDE_DRIVE_1
) );
882 plba
= (PUCHAR
)&lba
; //ktp
883 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_LBA48
;
886 // (chan->lun[DeviceNumber]->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_TAPE_DEVICE | DFLAGS_LBA_ENABLED))) {
887 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, (UCHAR
)feature
);
889 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, (UCHAR
)count
);
890 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, (UCHAR
)plba
[0]);
891 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, (UCHAR
)plba
[1]);
892 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, (UCHAR
)plba
[2]);
893 if(chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_LBA_ENABLED
) {
894 //KdPrint2((PRINT_PREFIX "AtaCommand28: dev %#x USE_LBA\n", DeviceNumber ));
895 AtapiWritePort1(chan
, IDX_IO1_o_DriveSelect
, (UCHAR
)(plba
[3] & 0xf) | IDE_USE_LBA
| (DeviceNumber
? IDE_DRIVE_SELECT_2
: IDE_DRIVE_SELECT_1
) );
897 //KdPrint2((PRINT_PREFIX "AtaCommand28: dev %#x USE_CHS\n", DeviceNumber ));
898 AtapiWritePort1(chan
, IDX_IO1_o_DriveSelect
, (UCHAR
)(plba
[3] & 0xf) | (DeviceNumber
? IDE_DRIVE_SELECT_2
: IDE_DRIVE_SELECT_1
) );
902 // write command code to device
903 AtapiWritePort1(chan
, IDX_IO1_o_Command
, command
);
905 switch (wait_flags
) {
908 // caller requested wait for interrupt
911 statusByte
= WaitForDrq(chan
);
912 if (statusByte
& IDE_STATUS_DRQ
)
914 AtapiStallExecution(500);
915 KdPrint2((PRINT_PREFIX
" retry waiting DRQ, status %#x\n", statusByte
));
922 // caller requested wait for entering Wait state
923 for (i
=0; i
<30 * 1000; i
++) {
925 GetStatus(chan
, statusByte
);
926 statusByte
= UniataIsIdle(deviceExtension
, statusByte
);
927 if(statusByte
== IDE_STATUS_WRONG
) {
931 if(statusByte
& IDE_STATUS_ERROR
) {
934 if(statusByte
& IDE_STATUS_BUSY
) {
935 AtapiStallExecution(100);
938 if(statusByte
== IDE_STATUS_IDLE
) {
941 //if(deviceExtension->HwFlags & UNIATA_SATA) {
942 if(UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
945 AtapiStallExecution(100);
948 //statusByte |= IDE_STATUS_BUSY;
952 statusByte
= WaitOnBusyLong(chan
);
954 case ATA_WAIT_BASE_READY
:
955 statusByte
= WaitOnBaseBusyLong(chan
);
958 GetStatus(chan
, statusByte
);
959 if (statusByte
& IDE_STATUS_ERROR
) {
960 KdPrint2((PRINT_PREFIX
" Warning: Immed Status %#x :(\n", statusByte
));
961 if(statusByte
== (IDE_STATUS_IDLE
| IDE_STATUS_ERROR
)) {
964 KdPrint2((PRINT_PREFIX
" try to continue\n"));
965 statusByte
&= ~IDE_STATUS_ERROR
;
967 UniataExpectChannelInterrupt(chan
, TRUE
);
969 InterlockedExchange(&(chan
->CheckIntr
),
975 KdPrint2((PRINT_PREFIX
" Status %#x\n", statusByte
));
978 } // end AtaCommand48()
981 Send command to device.
982 This is simply wrapper for AtaCommand48()
987 IN PHW_DEVICE_EXTENSION deviceExtension
,
988 IN ULONG DeviceNumber
,
999 if(!(deviceExtension
->HwFlags
& UNIATA_AHCI
)) {
1000 return AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
1002 (ULONG
)sector
| ((ULONG
)cylinder
<< 8) | ((ULONG
)(head
& 0x0f) << 24),
1003 count
, feature
, wait_flags
);
1005 return UniataAhciSendPIOCommand(deviceExtension
, lChannel
, DeviceNumber
,
1006 (PSCSI_REQUEST_BLOCK
)NULL
,
1010 (ULONG
)sector
| ((ULONG
)cylinder
<< 8) | ((ULONG
)(head
& 0x0f) << 24),
1013 0 /* ahci flags */ ,
1015 1000 /* timeout 1 sec */
1019 } // end AtaCommand()
1023 AtaPio2Mode(LONG pio
)
1026 default: return ATA_PIO
;
1027 case 0: return ATA_PIO0
;
1028 case 1: return ATA_PIO1
;
1029 case 2: return ATA_PIO2
;
1030 case 3: return ATA_PIO3
;
1031 case 4: return ATA_PIO4
;
1032 case 5: return ATA_PIO5
;
1034 } // end AtaPio2Mode()
1038 AtaPioMode(PIDENTIFY_DATA2 ident
)
1040 if (ident
->PioTimingsValid
) {
1041 if (ident
->AdvancedPIOModes
& AdvancedPIOModes_5
)
1043 if (ident
->AdvancedPIOModes
& AdvancedPIOModes_4
)
1045 if (ident
->AdvancedPIOModes
& AdvancedPIOModes_3
)
1048 if (ident
->PioCycleTimingMode
== 2)
1050 if (ident
->PioCycleTimingMode
== 1)
1052 if (ident
->PioCycleTimingMode
== 0)
1054 return IOMODE_NOT_SPECIFIED
;
1055 } // end AtaPioMode()
1059 AtaWmode(PIDENTIFY_DATA2 ident
)
1061 if (ident
->MultiWordDMASupport
& 0x04)
1063 if (ident
->MultiWordDMASupport
& 0x02)
1065 if (ident
->MultiWordDMASupport
& 0x01)
1067 return IOMODE_NOT_SPECIFIED
;
1072 AtaUmode(PIDENTIFY_DATA2 ident
)
1074 if (!ident
->UdmaModesValid
)
1075 return IOMODE_NOT_SPECIFIED
;
1076 if (ident
->UltraDMASupport
& 0x40)
1078 if (ident
->UltraDMASupport
& 0x20)
1080 if (ident
->UltraDMASupport
& 0x10)
1082 if (ident
->UltraDMASupport
& 0x08)
1084 if (ident
->UltraDMASupport
& 0x04)
1086 if (ident
->UltraDMASupport
& 0x02)
1088 if (ident
->UltraDMASupport
& 0x01)
1090 return IOMODE_NOT_SPECIFIED
;
1095 AtaSAmode(PIDENTIFY_DATA2 ident
) {
1096 if(!ident
->SataCapabilities
||
1097 ident
->SataCapabilities
== 0xffff) {
1098 return IOMODE_NOT_SPECIFIED
;
1100 if(ident
->SataCapabilities
& ATA_SATA_GEN3
) {
1103 if(ident
->SataCapabilities
& ATA_SATA_GEN2
) {
1106 if(ident
->SataCapabilities
& ATA_SATA_GEN1
) {
1109 return IOMODE_NOT_SPECIFIED
;
1110 } // end AtaSAmode()
1117 IN PVOID HwDeviceExtension
1120 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
1121 PHW_TIMER HwScsiTimer
;
1123 ULONG MiniportTimerValue
;
1124 BOOLEAN recall
= FALSE
;
1128 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc:\n"));
1130 lChannel
= deviceExtension
->ActiveDpcChan
= deviceExtension
->FirstDpcChan
;
1131 if(lChannel
== CHAN_NOT_SPECIFIED
) {
1132 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc: no items\n"));
1135 chan
= &(deviceExtension
->chan
[lChannel
]);
1139 HwScsiTimer
= chan
->HwScsiTimer
;
1140 chan
->HwScsiTimer
= NULL
;
1142 deviceExtension
->FirstDpcChan
= chan
->NextDpcChan
;
1143 if(deviceExtension
->FirstDpcChan
!= CHAN_NOT_SPECIFIED
) {
1147 HwScsiTimer(HwDeviceExtension
);
1149 chan
->NextDpcChan
= CHAN_NOT_SPECIFIED
;
1151 lChannel
= deviceExtension
->ActiveDpcChan
= deviceExtension
->FirstDpcChan
;
1152 if(lChannel
== CHAN_NOT_SPECIFIED
) {
1153 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc: no more items\n"));
1154 deviceExtension
->FirstDpcChan
=
1155 deviceExtension
->ActiveDpcChan
= CHAN_NOT_SPECIFIED
;
1159 KeQuerySystemTime(&time
);
1160 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc: KeQuerySystemTime=%#x%#x\n", time
.HighPart
, time
.LowPart
));
1162 chan
= &deviceExtension
->chan
[lChannel
];
1163 if(time
.QuadPart
>= chan
->DpcTime
- 10) {
1165 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc: get next DPC, DpcTime1=%#x%#x\n",
1166 (ULONG
)(chan
->DpcTime
>> 32), (ULONG
)(chan
->DpcTime
)));
1173 deviceExtension
->ActiveDpcChan
= CHAN_NOT_SPECIFIED
;
1174 MiniportTimerValue
= (ULONG
)(time
.QuadPart
- chan
->DpcTime
)/10;
1175 if(!MiniportTimerValue
)
1176 MiniportTimerValue
= 1;
1178 KdPrint2((PRINT_PREFIX
"AtapiTimerDpc: recall AtapiTimerDpc\n"));
1179 ScsiPortNotification(RequestTimerCall
, HwDeviceExtension
,
1186 } // end AtapiTimerDpc()
1189 Wrapper for ScsiPort, that implements smart Dpc
1190 queueing. We need it to allow parallel functioning
1191 of IDE channles with shared interrupt. Standard Dpc mechanism
1192 cancels previous Dpc request (if any), but we need Dpc queue.
1197 IN PVOID HwDeviceExtension
,
1199 IN PHW_TIMER HwScsiTimer
,
1200 IN ULONG MiniportTimerValue
1203 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
1205 LARGE_INTEGER time2
;
1207 PHW_CHANNEL prev_chan
;
1209 // BOOLEAN UseRequestTimerCall = TRUE;
1211 KdPrint2((PRINT_PREFIX
"AtapiQueueTimerDpc: dt=%d for lChn %#x\n", MiniportTimerValue
, lChannel
));
1212 KeQuerySystemTime(&time
);
1214 KdPrint2((PRINT_PREFIX
"AtapiQueueTimerDpc: KeQuerySystemTime=%#x%#x\n", time
.HighPart
, time
.LowPart
));
1215 time
.QuadPart
+= MiniportTimerValue
*10;
1216 KdPrint2((PRINT_PREFIX
"AtapiQueueTimerDpc: KeQuerySystemTime2=%#x%#x\n", time
.HighPart
, time
.LowPart
));
1218 KdPrint2((PRINT_PREFIX
" ActiveDpcChan=%d, FirstDpcChan=%d\n", deviceExtension
->ActiveDpcChan
, deviceExtension
->FirstDpcChan
));
1220 i
= deviceExtension
->FirstDpcChan
;
1221 chan
= prev_chan
= NULL
;
1222 while(i
!= CHAN_NOT_SPECIFIED
) {
1224 chan
= &(deviceExtension
->chan
[i
]);
1225 if(chan
->DpcTime
> time
.QuadPart
) {
1228 i
= chan
->NextDpcChan
;
1230 chan
= &(deviceExtension
->chan
[lChannel
]);
1232 deviceExtension
->FirstDpcChan
= lChannel
;
1234 prev_chan
->NextDpcChan
= lChannel
;
1236 chan
->NextDpcChan
= i
;
1237 chan
->HwScsiTimer
= HwScsiTimer
;
1238 chan
->DpcTime
= time
.QuadPart
;
1240 KdPrint2((PRINT_PREFIX
"AtapiQueueTimerDpc: KeQuerySystemTime3=%#x%#x\n", time2
.HighPart
, time2
.LowPart
));
1241 if(time
.QuadPart
<= time2
.QuadPart
) {
1242 MiniportTimerValue
= 1;
1244 MiniportTimerValue
= (ULONG
)((time
.QuadPart
- time2
.QuadPart
) / 10);
1247 KdPrint2((PRINT_PREFIX
"AtapiQueueTimerDpc: dt=%d for lChn %#x\n", MiniportTimerValue
, lChannel
));
1248 ScsiPortNotification(RequestTimerCall
, HwDeviceExtension
,
1250 MiniportTimerValue
);
1252 } // end AtapiQueueTimerDpc()
1254 #endif //UNIATA_CORE
1264 UCHAR statusByteAlt
;
1266 GetStatus(chan
, statusByteAlt
);
1267 KdPrint2((PRINT_PREFIX
" AltStatus (%#x)\n", statusByteAlt
));
1269 for(j
=1; j
<IDX_IO1_SZ
; j
++) {
1270 statusByteAlt
= AtapiReadPort1(chan
, IDX_IO1
+j
);
1271 KdPrint2((PRINT_PREFIX
1272 " Reg_%#x (%#x) = %#x\n",
1274 chan
->RegTranslation
[IDX_IO1
+j
].Addr
,
1277 for(j
=0; j
<IDX_BM_IO_SZ
-1; j
++) {
1278 statusByteAlt
= AtapiReadPort1(chan
, IDX_BM_IO
+j
);
1279 KdPrint2((PRINT_PREFIX
1280 " BM_%#x (%#x) = %#x\n",
1282 chan
->RegTranslation
[IDX_BM_IO
+j
].Addr
,
1286 } // end UniataDumpATARegs()
1292 IN PHW_CHANNEL chan
,
1293 IN ULONG DeviceNumber
,
1294 IN OUT PIDEREGS_EX regs
1297 if(chan
->DeviceExtension
->HwFlags
& UNIATA_AHCI
) {
1299 UniataAhciSnapAtaRegs(chan
, DeviceNumber
, regs
);
1301 // SATA/PATA, assume drive is selected
1303 UCHAR statusByteAlt
;
1305 if((regs
->bOpFlags
& ATA_FLAGS_48BIT_COMMAND
) == 0) {
1306 for(j
=IDX_IO1_i_Error
; j
<=IDX_IO1_i_Status
; j
++) {
1307 statusByteAlt
= AtapiReadPort1(chan
, IDX_IO1
+j
);
1308 ((PUCHAR
)regs
)[j
-1] = statusByteAlt
;
1312 regs
->bDriveHeadReg
= AtapiReadPort1(chan
, IDX_IO1_i_DriveSelect
);
1313 for(j
=IDX_IO1_i_Error
; j
<IDX_IO1_i_DriveSelect
; j
++) {
1314 statusByteAlt
= AtapiReadPort1(chan
, IDX_IO1
+j
);
1315 ((PUCHAR
)regs
)[j
-1] = statusByteAlt
;
1316 statusByteAlt
= AtapiReadPort1(chan
, IDX_IO1
+j
);
1317 ((PUCHAR
)regs
)[j
+8-1] = statusByteAlt
;
1319 regs
->bCommandReg
= AtapiReadPort1(chan
, IDX_IO1_i_Status
);
1323 } // end UniataSnapAtaRegs()
1327 Routine Description:
1329 Issue IDENTIFY command to a device.
1333 HwDeviceExtension - HBA miniport driver's adapter data storage
1334 DeviceNumber - Indicates which device.
1335 Command - Either the standard (EC) or the ATAPI packet (A1) IDENTIFY.
1339 TRUE if all goes well.
1345 IN PVOID HwDeviceExtension
,
1346 IN ULONG DeviceNumber
,
1352 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
1353 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
1354 ULONG waitCount
= 50000;
1357 //UCHAR statusByte2;
1360 BOOLEAN atapiDev
= FALSE
;
1361 BOOLEAN use_ahci
= FALSE
;
1362 PHW_LU_EXTENSION LunExt
= chan
->lun
[DeviceNumber
];
1364 use_ahci
= UniataIsSATARangeAvailable(deviceExtension
, lChannel
) &&
1365 (deviceExtension
->HwFlags
& UNIATA_AHCI
);
1367 if(chan
->ChannelCtrlFlags
& CTRFLAGS_AHCI_PM
) {
1368 if(chan
->PmLunMap
& (1 << DeviceNumber
)) {
1371 KdPrint2((PRINT_PREFIX
"IssueIdentify: PM empty port\n"));
1375 if(DeviceNumber
&& (chan
->ChannelCtrlFlags
& CTRFLAGS_NO_SLAVE
)) {
1376 KdPrint2((PRINT_PREFIX
"IssueIdentify: NO SLAVE\n"));
1379 if(LunExt
->DeviceFlags
& DFLAGS_HIDDEN
) {
1380 KdPrint2((PRINT_PREFIX
"IssueIdentify: HIDDEN\n"));
1385 statusByte
= WaitOnBusyLong(chan
);
1387 if(!chan
->AhciInternalAtaReq
) {
1388 KdPrint2((PRINT_PREFIX
"!AhciInternalAtaReq\n"));
1392 SelectDrive(chan
, DeviceNumber
);
1393 AtapiStallExecution(10);
1394 statusByte
= WaitOnBusyLong(chan
);
1395 // Check that the status register makes sense.
1396 GetBaseStatus(chan
, statusByte
);
1399 if (Command
== IDE_COMMAND_IDENTIFY
) {
1400 // Mask status byte ERROR bits.
1401 statusByte
= UniataIsIdle(deviceExtension
, statusByte
& ~(IDE_STATUS_ERROR
| IDE_STATUS_INDEX
));
1402 KdPrint2((PRINT_PREFIX
"IssueIdentify: Checking for IDE. Status (%#x)\n", statusByte
));
1403 // Check if register value is reasonable.
1405 if(statusByte
!= IDE_STATUS_IDLE
) {
1407 // No reset here !!!
1408 KdPrint2((PRINT_PREFIX
"IssueIdentify: statusByte != IDE_STATUS_IDLE\n"));
1410 //if(!(deviceExtension->HwFlags & UNIATA_SATA)) {
1411 if(!UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
1412 SelectDrive(chan
, DeviceNumber
);
1413 WaitOnBusyLong(chan
);
1415 signatureLow
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
);
1416 signatureHigh
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
);
1418 if (signatureLow
== ATAPI_MAGIC_LSB
&&
1419 signatureHigh
== ATAPI_MAGIC_MSB
) {
1421 KdPrint2((PRINT_PREFIX
"IssueIdentify: this is ATAPI (dev %d)\n", DeviceNumber
));
1425 // We really should wait up to 31 seconds
1426 // The ATA spec. allows device 0 to come back from BUSY in 31 seconds!
1427 // (30 seconds for device 1)
1429 // Wait for Busy to drop.
1430 AtapiStallExecution(100);
1431 GetStatus(chan
, statusByte
);
1432 if(statusByte
== IDE_STATUS_WRONG
) {
1433 KdPrint2((PRINT_PREFIX
"IssueIdentify: IDE_STATUS_WRONG (dev %d)\n", DeviceNumber
));
1437 } while ((statusByte
& IDE_STATUS_BUSY
) && waitCount
--);
1438 GetBaseStatus(chan
, statusByte
);
1440 SelectDrive(chan
, DeviceNumber
);
1442 GetBaseStatus(chan
, statusByte
);
1444 // Another check for signature, to deal with one model Atapi that doesn't assert signature after
1446 signatureLow
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
);
1447 signatureHigh
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
);
1449 if (signatureLow
== ATAPI_MAGIC_LSB
&&
1450 signatureHigh
== ATAPI_MAGIC_MSB
) {
1451 KdPrint2((PRINT_PREFIX
"IssueIdentify: this is ATAPI (2) (dev %d)\n", DeviceNumber
));
1456 statusByte
= UniataIsIdle(deviceExtension
, statusByte
) & ~IDE_STATUS_INDEX
;
1457 if (statusByte
!= IDE_STATUS_IDLE
) {
1459 KdPrint2((PRINT_PREFIX
"IssueIdentify: no dev (dev %d)\n", DeviceNumber
));
1464 KdPrint2((PRINT_PREFIX
"IssueIdentify: Checking for ATAPI. Status (%#x)\n", statusByte
));
1465 if(statusByte
== IDE_STATUS_WRONG
) {
1468 //if(!(deviceExtension->HwFlags & UNIATA_SATA)) {
1469 if(!UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
1470 statusByte
= WaitForIdleLong(chan
);
1471 KdPrint2((PRINT_PREFIX
"IssueIdentify: Checking for ATAPI (2). Status (%#x)\n", statusByte
));
1476 // if(deviceExtension->HwFlags & UNIATA_SATA) {
1478 statusByte
= UniataAhciSendPIOCommand(HwDeviceExtension
, lChannel
, DeviceNumber
,
1479 (PSCSI_REQUEST_BLOCK
)NULL
,
1480 (PUCHAR
)(&deviceExtension
->FullIdentifyData
),
1485 0 /* ahci flags */ ,
1487 1000 /* timeout 1 sec */
1489 j
= 9; // AHCI is rather different, skip loop at all
1491 if(LunExt
->DeviceFlags
& DFLAGS_MANUAL_CHS
) {
1492 j
= 9; // don't send IDENTIFY, assume it is not supported
1493 KdPrint2((PRINT_PREFIX
"IssueIdentify: Manual CHS\n"));
1494 RtlZeroMemory(&(deviceExtension
->FullIdentifyData
), sizeof(deviceExtension
->FullIdentifyData
));
1495 RtlCopyMemory(&(deviceExtension
->FullIdentifyData
), &(LunExt
->IdentifyData
), sizeof(LunExt
->IdentifyData
));
1497 if(UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
1498 j
= 4; // skip old-style checks
1502 for (; j
< 4*2; j
++) {
1503 // Send IDENTIFY command.
1505 // Load CylinderHigh and CylinderLow with number bytes to transfer for old devices, use 0 for newer.
1507 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, Command
, (j
< 4) ? DEV_BSIZE
: 0 /* cyl */, 0, 0, 0, 0, ATA_WAIT_INTR
);
1510 if (statusByte
& IDE_STATUS_DRQ
) {
1511 // Read status to acknowledge any interrupts generated.
1512 KdPrint2((PRINT_PREFIX
"IssueIdentify: IDE_STATUS_DRQ (%#x)\n", statusByte
));
1513 GetBaseStatus(chan
, statusByte
);
1514 // One last check for Atapi.
1515 if (Command
== IDE_COMMAND_IDENTIFY
) {
1516 signatureLow
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
);
1517 signatureHigh
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
);
1519 if (signatureLow
== ATAPI_MAGIC_LSB
&&
1520 signatureHigh
== ATAPI_MAGIC_MSB
) {
1521 KdPrint2((PRINT_PREFIX
"IssueIdentify: this is ATAPI (3) (dev %d)\n", DeviceNumber
));
1528 KdPrint2((PRINT_PREFIX
"IssueIdentify: !IDE_STATUS_DRQ (%#x)\n", statusByte
));
1529 if (Command
== IDE_COMMAND_IDENTIFY
) {
1530 // Check the signature. If DRQ didn't come up it's likely Atapi.
1531 signatureLow
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
);
1532 signatureHigh
= AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
);
1534 if (signatureLow
== ATAPI_MAGIC_LSB
&&
1535 signatureHigh
== ATAPI_MAGIC_MSB
) {
1537 KdPrint2((PRINT_PREFIX
"IssueIdentify: this is ATAPI (4) (dev %d)\n", DeviceNumber
));
1541 if(!(statusByte
& IDE_STATUS_ERROR
) && (statusByte
& IDE_STATUS_BUSY
)) {
1542 KdPrint2((PRINT_PREFIX
"IssueIdentify: DRQ not asserted immediately, BUSY -> WaitForDrq\n"));
1546 // Device didn't respond correctly. It will be given one more chance.
1547 KdPrint2((PRINT_PREFIX
"IssueIdentify: DRQ never asserted (%#x). Error reg (%#x)\n",
1548 statusByte
, AtapiReadPort1(chan
, IDX_IO1_i_Error
)));
1549 GetBaseStatus(chan
, statusByte
);
1550 AtapiSoftReset(chan
,DeviceNumber
);
1552 AtapiDisableInterrupts(deviceExtension
, lChannel
);
1553 AtapiEnableInterrupts(deviceExtension
, lChannel
);
1555 GetBaseStatus(chan
, statusByte
);
1556 //GetStatus(chan, statusByte);
1557 KdPrint2((PRINT_PREFIX
"IssueIdentify: Status after soft reset (%#x)\n", statusByte
));
1560 // Check for error on really stupid master devices that assert random
1561 // patterns of bits in the status register at the slave address.
1562 if ((Command
== IDE_COMMAND_IDENTIFY
) && (statusByte
& IDE_STATUS_ERROR
)) {
1563 KdPrint2((PRINT_PREFIX
"IssueIdentify: Exit on error (%#x)\n", statusByte
));
1568 // everything should already be done by controller
1570 if(LunExt
->DeviceFlags
& DFLAGS_MANUAL_CHS
) {
1571 j
= 9; // don't send IDENTIFY, assume it is not supported
1572 KdPrint2((PRINT_PREFIX
"IssueIdentify: Manual CHS (2)\n"));
1573 statusByte
= WaitForDrq(chan
);
1574 statusByte
= WaitOnBusyLong(chan
);
1575 KdPrint2((PRINT_PREFIX
"IssueIdentify: statusByte %#x\n", statusByte
));
1576 GetBaseStatus(chan
, statusByte
);
1579 KdPrint2((PRINT_PREFIX
"IssueIdentify: Status before read words %#x\n", statusByte
));
1580 // Suck out 256 words. After waiting for one model that asserts busy
1581 // after receiving the Packet Identify command.
1582 statusByte
= WaitForDrq(chan
);
1583 statusByte
= WaitOnBusyLong(chan
);
1584 KdPrint2((PRINT_PREFIX
"IssueIdentify: statusByte %#x\n", statusByte
));
1586 if (!(statusByte
& IDE_STATUS_DRQ
)) {
1587 KdPrint2((PRINT_PREFIX
"IssueIdentify: !IDE_STATUS_DRQ (2) (%#x)\n", statusByte
));
1588 GetBaseStatus(chan
, statusByte
);
1591 GetBaseStatus(chan
, statusByte
);
1592 KdPrint2((PRINT_PREFIX
"IssueIdentify: BASE statusByte %#x\n", statusByte
));
1594 if (atapiDev
|| !(LunExt
->DeviceFlags
& DFLAGS_DWORDIO_ENABLED
) /*!deviceExtension->DWordIO*/) {
1596 KdPrint2((PRINT_PREFIX
" use 16bit IO\n"));
1598 // ATI/SII chipsets with memory-mapped IO hangs when
1599 // I call ReadBuffer(), probably due to PCI burst/prefetch enabled
1600 // Unfortunately, I don't know yet how to workaround it except
1601 // spacifying manual delay in the way you see below.
1602 ReadBuffer(chan
, (PUSHORT
)&deviceExtension
->FullIdentifyData
, 256, PIO0_TIMING
);
1604 // Work around for some IDE and one model Atapi that will present more than
1605 // 256 bytes for the Identify data.
1606 KdPrint2((PRINT_PREFIX
"IssueIdentify: suck data port\n", statusByte
));
1607 statusByte
= AtapiSuckPort2(chan
);
1609 KdPrint2((PRINT_PREFIX
" use 32bit IO\n"));
1610 ReadBuffer2(chan
, (PULONG
)&deviceExtension
->FullIdentifyData
, 256/2, PIO0_TIMING
);
1613 KdPrint2((PRINT_PREFIX
"IssueIdentify: statusByte %#x\n", statusByte
));
1614 statusByte
= WaitForDrq(chan
);
1615 KdPrint2((PRINT_PREFIX
"IssueIdentify: statusByte %#x\n", statusByte
));
1616 GetBaseStatus(chan
, statusByte
);
1618 KdPrint2((PRINT_PREFIX
"IssueIdentify: Status after read words %#x\n", statusByte
));
1621 KdPrint2((PRINT_PREFIX
"IssueIdentify: no setup, exiting\n"));
1625 KdPrint2((PRINT_PREFIX
"Model: %20.20s\n", deviceExtension
->FullIdentifyData
.ModelNumber
));
1626 KdPrint2((PRINT_PREFIX
"FW: %4.4s\n", deviceExtension
->FullIdentifyData
.FirmwareRevision
));
1627 KdPrint2((PRINT_PREFIX
"S/N: %20.20s\n", deviceExtension
->FullIdentifyData
.SerialNumber
));
1628 KdPrint2((PRINT_PREFIX
"Pio: %x\n", deviceExtension
->FullIdentifyData
.PioCycleTimingMode
));
1629 if(deviceExtension
->FullIdentifyData
.PioTimingsValid
) {
1630 KdPrint2((PRINT_PREFIX
"APio: %x\n", deviceExtension
->FullIdentifyData
.AdvancedPIOModes
));
1632 KdPrint2((PRINT_PREFIX
"SWDMA: %x\n", deviceExtension
->FullIdentifyData
.SingleWordDMAActive
));
1633 KdPrint2((PRINT_PREFIX
"MWDMA: %x\n", deviceExtension
->FullIdentifyData
.MultiWordDMAActive
));
1634 if(deviceExtension
->FullIdentifyData
.UdmaModesValid
) {
1635 KdPrint2((PRINT_PREFIX
"UDMA: %x/%x\n", deviceExtension
->FullIdentifyData
.UltraDMAActive
, deviceExtension
->FullIdentifyData
.UltraDMASupport
));
1637 KdPrint2((PRINT_PREFIX
"SATA: %x\n", deviceExtension
->FullIdentifyData
.SataEnable
));
1638 KdPrint2((PRINT_PREFIX
"SATA support: %x, CAPs %#x\n",
1639 deviceExtension
->FullIdentifyData
.SataSupport
,
1640 deviceExtension
->FullIdentifyData
.SataCapabilities
));
1642 LunExt
->LimitedTransferMode
=
1643 LunExt
->OrigTransferMode
=
1644 (UCHAR
)ata_cur_mode_from_ident(&(deviceExtension
->FullIdentifyData
), IDENT_MODE_MAX
);
1645 LunExt
->TransferMode
=
1646 (UCHAR
)ata_cur_mode_from_ident(&(deviceExtension
->FullIdentifyData
), IDENT_MODE_ACTIVE
);
1648 KdPrint2((PRINT_PREFIX
"OrigTransferMode: %x, Active: %x\n", LunExt
->OrigTransferMode
, LunExt
->TransferMode
));
1649 KdPrint2((PRINT_PREFIX
"Accoustic %d, cur %d\n",
1650 deviceExtension
->FullIdentifyData
.VendorAcoustic
,
1651 deviceExtension
->FullIdentifyData
.CurrentAcoustic
1653 KdPrint2((PRINT_PREFIX
"AdvPowerMode %d, cur %d\n",
1654 deviceExtension
->FullIdentifyData
.CfAdvPowerMode
1657 // Check out a few capabilities / limitations of the device.
1658 if (deviceExtension
->FullIdentifyData
.RemovableStatus
& 1) {
1659 // Determine if this drive supports the MSN functions.
1660 KdPrint2((PRINT_PREFIX
"IssueIdentify: Marking drive %d as removable. SFE = %d\n",
1662 deviceExtension
->FullIdentifyData
.RemovableStatus
));
1663 LunExt
->DeviceFlags
|= DFLAGS_REMOVABLE_DRIVE
;
1666 // AHCI doesn't recommend using PIO and multiblock
1667 LunExt
->MaximumBlockXfer
= 0;
1669 if (deviceExtension
->FullIdentifyData
.MaximumBlockTransfer
) {
1670 // Determine max. block transfer for this device.
1671 LunExt
->MaximumBlockXfer
=
1672 (UCHAR
)(deviceExtension
->FullIdentifyData
.MaximumBlockTransfer
& 0xFF);
1674 LunExt
->NumOfSectors
= 0;
1675 if (Command
== IDE_COMMAND_IDENTIFY
) {
1676 ULONGLONG NumOfSectors
=0;
1677 ULONGLONG NativeNumOfSectors
=0;
1678 ULONGLONG cylinders
=0;
1679 ULONGLONG tmp_cylinders
=0;
1681 KdPrint2((PRINT_PREFIX
"PhysLogSectorSize %#x, %#x, offset %#x\n",
1682 deviceExtension
->FullIdentifyData
.PhysLogSectorSize
,
1683 deviceExtension
->FullIdentifyData
.LargeSectorSize
,
1684 deviceExtension
->FullIdentifyData
.LogicalSectorOffset
1687 KdPrint2((PRINT_PREFIX
"NV PM_Sup %d, PM_En %d, En %d, PM ver %#x ver %#x\n",
1688 deviceExtension
->FullIdentifyData
.NVCache_PM_Supported
,
1689 deviceExtension
->FullIdentifyData
.NVCache_PM_Enabled
,
1690 deviceExtension
->FullIdentifyData
.NVCache_Enabled
,
1691 deviceExtension
->FullIdentifyData
.NVCache_PM_Version
,
1692 deviceExtension
->FullIdentifyData
.NVCache_Version
1695 KdPrint2((PRINT_PREFIX
"R-rate %d\n",
1696 deviceExtension
->FullIdentifyData
.NominalMediaRotationRate
1699 // Read very-old-style drive geometry
1700 KdPrint2((PRINT_PREFIX
"CHS %#x:%#x:%#x\n",
1701 deviceExtension
->FullIdentifyData
.NumberOfCylinders
,
1702 deviceExtension
->FullIdentifyData
.NumberOfHeads
,
1703 deviceExtension
->FullIdentifyData
.SectorsPerTrack
1705 NumOfSectors
= deviceExtension
->FullIdentifyData
.NumberOfCylinders
*
1706 deviceExtension
->FullIdentifyData
.NumberOfHeads
*
1707 deviceExtension
->FullIdentifyData
.SectorsPerTrack
;
1708 KdPrint2((PRINT_PREFIX
"NumOfSectors %#I64x\n", NumOfSectors
));
1709 // Check for HDDs > 8Gb
1710 if ((deviceExtension
->FullIdentifyData
.NumberOfCylinders
== 0x3fff) &&
1711 /* (deviceExtension->FullIdentifyData.TranslationFieldsValid) &&*/
1712 (NumOfSectors
< deviceExtension
->FullIdentifyData
.UserAddressableSectors
)) {
1713 KdPrint2((PRINT_PREFIX
"NumberOfCylinders == 0x3fff\n"));
1715 (deviceExtension
->FullIdentifyData
.UserAddressableSectors
/
1716 (deviceExtension
->FullIdentifyData
.NumberOfHeads
*
1717 deviceExtension
->FullIdentifyData
.SectorsPerTrack
));
1719 KdPrint2((PRINT_PREFIX
"cylinders %#I64x\n", cylinders
));
1721 NumOfSectors
= cylinders
*
1722 deviceExtension
->FullIdentifyData
.NumberOfHeads
*
1723 deviceExtension
->FullIdentifyData
.SectorsPerTrack
;
1725 KdPrint2((PRINT_PREFIX
"NumOfSectors %#I64x\n", NumOfSectors
));
1729 // Check for LBA mode
1730 KdPrint2((PRINT_PREFIX
"SupportLba flag %#x\n", deviceExtension
->FullIdentifyData
.SupportLba
));
1731 KdPrint2((PRINT_PREFIX
"MajorRevision %#x\n", deviceExtension
->FullIdentifyData
.MajorRevision
));
1732 KdPrint2((PRINT_PREFIX
"UserAddressableSectors %#x\n", deviceExtension
->FullIdentifyData
.UserAddressableSectors
));
1733 if ( deviceExtension
->FullIdentifyData
.SupportLba
1735 (deviceExtension
->FullIdentifyData
.MajorRevision
&&
1736 /* deviceExtension->FullIdentifyData.TranslationFieldsValid &&*/
1737 deviceExtension
->FullIdentifyData
.UserAddressableSectors
)) {
1738 KdPrint2((PRINT_PREFIX
"LBA mode\n"));
1739 LunExt
->DeviceFlags
|= DFLAGS_LBA_ENABLED
;
1741 KdPrint2((PRINT_PREFIX
"Keep orig geometry\n"));
1742 LunExt
->DeviceFlags
|= DFLAGS_ORIG_GEOMETRY
;
1743 goto skip_lba_staff
;
1745 // Check for LBA48 support
1746 if(LunExt
->DeviceFlags
& DFLAGS_LBA_ENABLED
) {
1747 if(deviceExtension
->FullIdentifyData
.FeaturesSupport
.Address48
&&
1748 deviceExtension
->FullIdentifyData
.FeaturesEnabled
.Address48
&&
1749 (deviceExtension
->FullIdentifyData
.UserAddressableSectors48
> NumOfSectors
)
1751 KdPrint2((PRINT_PREFIX
"LBA48\n"));
1753 (deviceExtension
->FullIdentifyData
.UserAddressableSectors48
/
1754 (deviceExtension
->FullIdentifyData
.NumberOfHeads
*
1755 deviceExtension
->FullIdentifyData
.SectorsPerTrack
));
1757 KdPrint2((PRINT_PREFIX
"cylinders %#I64x\n", cylinders
));
1759 NativeNumOfSectors
= cylinders
*
1760 deviceExtension
->FullIdentifyData
.NumberOfHeads
*
1761 deviceExtension
->FullIdentifyData
.SectorsPerTrack
;
1763 KdPrint2((PRINT_PREFIX
"NativeNumOfSectors %#I64x\n", NativeNumOfSectors
));
1765 if(NativeNumOfSectors
> NumOfSectors
) {
1766 KdPrint2((PRINT_PREFIX
"Update NumOfSectors to %#I64x\n", NativeNumOfSectors
));
1767 NumOfSectors
= NativeNumOfSectors
;
1771 // Check drive capacity report for LBA48-capable drives.
1772 if(deviceExtension
->FullIdentifyData
.FeaturesSupport
.Address48
) {
1773 ULONG hNativeNumOfSectors
;
1774 KdPrint2((PRINT_PREFIX
"Use IDE_COMMAND_READ_NATIVE_SIZE48\n"));
1776 statusByte
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
1777 IDE_COMMAND_READ_NATIVE_SIZE48
, 0, 0, 0, ATA_WAIT_READY
);
1779 if(!(statusByte
& IDE_STATUS_ERROR
)) {
1781 NativeNumOfSectors
= chan
->AhciInternalAtaReq
->ahci
.in_lba
;
1783 NativeNumOfSectors
= (ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_BlockNumber
) |
1784 ((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
) << 8) |
1785 ((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
) << 16) ;
1787 AtapiWritePort1(chan
, IDX_IO2_o_Control
,
1790 KdPrint2((PRINT_PREFIX
"Read high order bytes\n"));
1791 NativeNumOfSectors
|=
1792 (ULONG
)((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_BlockNumber
) << 24 );
1793 hNativeNumOfSectors
=
1794 (ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
) |
1795 ((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
) << 8) ;
1796 ((PULONG
)&NativeNumOfSectors
)[1] = hNativeNumOfSectors
;
1798 KdPrint2((PRINT_PREFIX
"NativeNumOfSectors %#I64x\n", NativeNumOfSectors
));
1800 // Some drives report LBA48 capability while has capacity below 128Gb
1801 // Probably they support large block-counters.
1802 // But the problem is that some of them reports higher part of Max LBA equal to lower part.
1803 // Here we check this
1804 if((NativeNumOfSectors
& 0xffffff) == ((NativeNumOfSectors
>> 24) & 0xffffff)) {
1805 KdPrint2((PRINT_PREFIX
"High-order bytes == Low-order bytes !!!\n"));
1807 statusByte
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
1808 IDE_COMMAND_READ_NATIVE_SIZE48
, 0, 0, 0, ATA_WAIT_READY
);
1810 if(!(statusByte
& IDE_STATUS_ERROR
)) {
1812 NativeNumOfSectors
= chan
->AhciInternalAtaReq
->ahci
.in_lba
;
1814 NativeNumOfSectors
= (ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_BlockNumber
) |
1815 ((ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_BlockNumber
) << 24) |
1816 ((ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
) << 8 ) |
1817 ((ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
) << 32) |
1818 ((ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
) << 16) |
1819 ((ULONGLONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
) << 40)
1824 if((NativeNumOfSectors
& 0xffffff) == ((NativeNumOfSectors
>> 24) & 0xffffff)) {
1825 KdPrint2((PRINT_PREFIX
"High-order bytes == Low-order bytes !!! (2)\n"));
1826 NativeNumOfSectors
= 0;
1830 if(NumOfSectors
<= ATA_MAX_LBA28
&&
1831 NativeNumOfSectors
> NumOfSectors
) {
1833 KdPrint2((PRINT_PREFIX
"Use IDE_COMMAND_SET_NATIVE_SIZE48\n"));
1834 KdPrint2((PRINT_PREFIX
"Update NumOfSectors to %#I64x\n", NativeNumOfSectors
));
1836 statusByte
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
1837 IDE_COMMAND_SET_NATIVE_SIZE
, NativeNumOfSectors
, 0, 0, ATA_WAIT_READY
);
1838 if(!(statusByte
& IDE_STATUS_ERROR
)) {
1839 NumOfSectors
= NativeNumOfSectors
;
1845 if(NumOfSectors
< 0x2100000 /*&& NumOfSectors > 31*1000*1000*/) {
1846 // check for native LBA size
1847 // some drives report ~32Gb in Identify Block
1848 KdPrint2((PRINT_PREFIX
"Use IDE_COMMAND_READ_NATIVE_SIZE\n"));
1850 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_READ_NATIVE_SIZE
,
1851 0, IDE_USE_LBA
, 0, 0, 0, ATA_WAIT_READY
);
1853 if(!(statusByte
& IDE_STATUS_ERROR
)) {
1855 NativeNumOfSectors
= chan
->AhciInternalAtaReq
->ahci
.in_lba
;
1857 NativeNumOfSectors
= (ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_BlockNumber
) |
1858 ((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderLow
) << 8) |
1859 ((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_CylinderHigh
) << 16) |
1860 (((ULONG
)AtapiReadPort1(chan
, IDX_IO1_i_DriveSelect
) & 0xf) << 24);
1862 KdPrint2((PRINT_PREFIX
"NativeNumOfSectors %#I64x\n", NativeNumOfSectors
));
1864 if(NativeNumOfSectors
> NumOfSectors
) {
1866 KdPrint2((PRINT_PREFIX
"Use IDE_COMMAND_SET_NATIVE_SIZE\n"));
1867 KdPrint2((PRINT_PREFIX
"Update NumOfSectors to %#I64x\n", NativeNumOfSectors
));
1869 statusByte
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
1870 IDE_COMMAND_SET_NATIVE_SIZE
, NativeNumOfSectors
, 0, 0, ATA_WAIT_READY
);
1871 if(!(statusByte
& IDE_STATUS_ERROR
)) {
1872 NumOfSectors
= NativeNumOfSectors
;
1878 } // if(LunExt->DeviceFlags & DFLAGS_LBA_ENABLED)
1880 // fill IdentifyData with bogus geometry
1881 KdPrint2((PRINT_PREFIX
"requested LunExt->GeomType=%x\n", LunExt
->opt_GeomType
));
1882 tmp_cylinders
= NumOfSectors
/ (deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
*
1883 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
);
1884 KdPrint2((PRINT_PREFIX
"tmp_cylinders = %#I64x\n", tmp_cylinders
));
1885 if((tmp_cylinders
< 0xffff) || (LunExt
->opt_GeomType
== GEOM_ORIG
)) {
1886 // ok, we can keep original values
1887 if(LunExt
->opt_GeomType
== GEOM_AUTO
) {
1888 LunExt
->opt_GeomType
= GEOM_ORIG
;
1891 tmp_cylinders
= NumOfSectors
/ (255*63);
1892 if(tmp_cylinders
< 0xffff) {
1893 // we can use generic values for H/S for generic geometry approach
1894 if(LunExt
->opt_GeomType
== GEOM_AUTO
) {
1895 LunExt
->opt_GeomType
= GEOM_STD
;
1898 // we should use UNIATA geometry approach
1899 if(LunExt
->opt_GeomType
== GEOM_AUTO
) {
1900 LunExt
->opt_GeomType
= GEOM_UNIATA
;
1905 if(LunExt
->opt_GeomType
== GEOM_STD
) {
1906 deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
=
1907 deviceExtension
->FullIdentifyData
.SectorsPerTrack
= 63;
1909 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
=
1910 deviceExtension
->FullIdentifyData
.NumberOfHeads
= 255;
1912 cylinders
= NumOfSectors
/ (255*63);
1913 KdPrint2((PRINT_PREFIX
"Use GEOM_STD, CHS=%I64x/%x/%x\n", cylinders
, 255, 63));
1915 if(LunExt
->opt_GeomType
== GEOM_UNIATA
) {
1916 while ((cylinders
> 0xffff) && (deviceExtension
->FullIdentifyData
.SectorsPerTrack
< 0x80)) {
1918 KdPrint2((PRINT_PREFIX
"cylinders /= 2\n"));
1919 deviceExtension
->FullIdentifyData
.SectorsPerTrack
*= 2;
1920 deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
*= 2;
1922 while ((cylinders
> 0xffff) && (deviceExtension
->FullIdentifyData
.NumberOfHeads
< 0x80)) {
1924 KdPrint2((PRINT_PREFIX
"cylinders /= 2 (2)\n"));
1925 deviceExtension
->FullIdentifyData
.NumberOfHeads
*= 2;
1926 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
*= 2;
1928 while ((cylinders
> 0xffff) && (deviceExtension
->FullIdentifyData
.SectorsPerTrack
< 0x8000)) {
1930 KdPrint2((PRINT_PREFIX
"cylinders /= 2 (3)\n"));
1931 deviceExtension
->FullIdentifyData
.SectorsPerTrack
*= 2;
1932 deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
*= 2;
1934 while ((cylinders
> 0xffff) && (deviceExtension
->FullIdentifyData
.NumberOfHeads
< 0x8000)) {
1936 KdPrint2((PRINT_PREFIX
"cylinders /= 2 (4)\n"));
1937 deviceExtension
->FullIdentifyData
.NumberOfHeads
*= 2;
1938 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
*= 2;
1940 KdPrint2((PRINT_PREFIX
"Use GEOM_UNIATA, CHS=%I64x/%x/%x\n", cylinders
,
1941 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
,
1942 deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
));
1945 KdPrint2((PRINT_PREFIX
"cylinders = tmp_cylinders (%x = %x)\n", cylinders
, tmp_cylinders
));
1946 cylinders
= tmp_cylinders
;
1948 deviceExtension
->FullIdentifyData
.NumberOfCurrentCylinders
=
1949 deviceExtension
->FullIdentifyData
.NumberOfCylinders
= (USHORT
)cylinders
;
1953 KdPrint2((PRINT_PREFIX
"Geometry: C %#x (%#x)\n",
1954 deviceExtension
->FullIdentifyData
.NumberOfCylinders
,
1955 deviceExtension
->FullIdentifyData
.NumberOfCurrentCylinders
1957 KdPrint2((PRINT_PREFIX
"Geometry: H %#x (%#x)\n",
1958 deviceExtension
->FullIdentifyData
.NumberOfHeads
,
1959 deviceExtension
->FullIdentifyData
.NumberOfCurrentHeads
1961 KdPrint2((PRINT_PREFIX
"Geometry: S %#x (%#x)\n",
1962 deviceExtension
->FullIdentifyData
.SectorsPerTrack
,
1963 deviceExtension
->FullIdentifyData
.CurrentSectorsPerTrack
1967 LunExt
->NumOfSectors
= NumOfSectors
;
1968 /* if(deviceExtension->FullIdentifyData.MajorRevision &&
1969 deviceExtension->FullIdentifyData.DoubleWordIo) {
1970 LunExt->DeviceFlags |= DFLAGS_DWORDIO_ENABLED;
1974 ScsiPortMoveMemory(&LunExt
->IdentifyData
,
1975 &deviceExtension
->FullIdentifyData
,sizeof(IDENTIFY_DATA2
));
1977 InitBadBlocks(LunExt
);
1979 if ((LunExt
->IdentifyData
.DrqType
& ATAPI_DRQT_INTR
) &&
1980 (Command
!= IDE_COMMAND_IDENTIFY
)) {
1982 // This device interrupts with the assertion of DRQ after receiving
1983 // Atapi Packet Command
1984 LunExt
->DeviceFlags
|= DFLAGS_INT_DRQ
;
1985 KdPrint2((PRINT_PREFIX
"IssueIdentify: Device interrupts on assertion of DRQ.\n"));
1988 KdPrint2((PRINT_PREFIX
"IssueIdentify: Device does not interrupt on assertion of DRQ.\n"));
1991 if(Command
!= IDE_COMMAND_IDENTIFY
) {
1993 if(LunExt
->IdentifyData
.DeviceType
== ATAPI_TYPE_TAPE
) {
1995 LunExt
->DeviceFlags
|= DFLAGS_TAPE_DEVICE
;
1996 KdPrint2((PRINT_PREFIX
"IssueIdentify: Device is a tape drive.\n"));
1998 if(LunExt
->IdentifyData
.DeviceType
== ATAPI_TYPE_CDROM
||
1999 LunExt
->IdentifyData
.DeviceType
== ATAPI_TYPE_OPTICAL
) {
2000 KdPrint2((PRINT_PREFIX
"IssueIdentify: Device is CD/Optical drive.\n"));
2001 // set CD default costs
2002 LunExt
->RwSwitchCost
= REORDER_COST_SWITCH_RW_CD
;
2003 LunExt
->RwSwitchMCost
= REORDER_MCOST_SWITCH_RW_CD
;
2004 LunExt
->SeekBackMCost
= REORDER_MCOST_SEEK_BACK_CD
;
2005 statusByte
= WaitForDrq(chan
);
2007 KdPrint2((PRINT_PREFIX
"IssueIdentify: ATAPI drive type %#x.\n",
2008 LunExt
->IdentifyData
.DeviceType
));
2011 KdPrint2((PRINT_PREFIX
"IssueIdentify: hard drive.\n"));
2014 GetBaseStatus(chan
, statusByte
);
2015 KdPrint2((PRINT_PREFIX
"IssueIdentify: final Status on exit (%#x)\n", statusByte
));
2018 } // end IssueIdentify()
2023 Routine Description:
2024 Set drive parameters using the IDENTIFY data.
2027 HwDeviceExtension - HBA miniport driver's adapter data storage
2028 DeviceNumber - Indicates which device.
2031 TRUE if all goes well.
2037 IN PVOID HwDeviceExtension
,
2038 IN ULONG DeviceNumber
,
2042 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
2043 PIDENTIFY_DATA2 identifyData
;
2044 PHW_LU_EXTENSION LunExt
;
2049 LunExt
= deviceExtension
->chan
[lChannel
].lun
[DeviceNumber
];
2050 identifyData
= &(LunExt
->IdentifyData
);
2052 if(LunExt
->DeviceFlags
&
2053 (DFLAGS_LBA_ENABLED
| DFLAGS_ORIG_GEOMETRY
))
2056 KdPrint2((PRINT_PREFIX
"SetDriveParameters: Number of heads %#x\n", identifyData
->NumberOfHeads
));
2057 KdPrint2((PRINT_PREFIX
"SetDriveParameters: Sectors per track %#x\n", identifyData
->SectorsPerTrack
));
2059 // Send SET PARAMETER command.
2060 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
,
2061 IDE_COMMAND_SET_DRIVE_PARAMETERS
, 0,
2062 (identifyData
->NumberOfHeads
- 1), 0,
2063 (UCHAR
)identifyData
->SectorsPerTrack
, 0, ATA_WAIT_IDLE
);
2065 statusByte
= UniataIsIdle(deviceExtension
, statusByte
);
2066 if(statusByte
& IDE_STATUS_ERROR
) {
2067 errorByte
= AtapiReadPort1(&deviceExtension
->chan
[lChannel
], IDX_IO1_i_Error
);
2068 KdPrint2((PRINT_PREFIX
"SetDriveParameters: Error bit set. Status %#x, error %#x\n",
2069 errorByte
, statusByte
));
2073 if(statusByte
== IDE_STATUS_IDLE
) {
2079 } // end SetDriveParameters()
2084 PHW_LU_EXTENSION LunExt
2087 // keep only DFLAGS_HIDDEN flag
2088 LunExt
->DeviceFlags
&= DFLAGS_HIDDEN
;
2089 LunExt
->AtapiReadyWaitDelay
= 0;
2090 } // end UniataForgetDevice()
2095 Routine Description:
2096 Reset IDE controller and/or Atapi device.
2100 HwDeviceExtension - HBA miniport driver's adapter data storage
2109 AtapiResetController(
2110 IN PVOID HwDeviceExtension
,
2114 KdPrint2((PRINT_PREFIX
"AtapiResetController(%x)\n", PathId
));
2115 return AtapiResetController__(HwDeviceExtension
, PathId
, RESET_COMPLETE_ALL
);
2116 } // end AtapiResetController()
2120 AtapiResetController__(
2121 IN PVOID HwDeviceExtension
,
2123 IN BOOLEAN CompleteType
2126 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
2127 ULONG numberChannels
= deviceExtension
->NumberChannels
;
2128 PHW_CHANNEL chan
= NULL
;
2132 PSCSI_REQUEST_BLOCK CurSrb
;
2133 ULONG ChannelCtrlFlags
;
2134 UCHAR dma_status
= 0;
2136 ULONG slotNumber
= deviceExtension
->slotNumber
;
2137 ULONG SystemIoBusNumber
= deviceExtension
->SystemIoBusNumber
;
2138 ULONG VendorID
= deviceExtension
->DevID
& 0xffff;
2140 ULONG DeviceID
= (deviceExtension
->DevID
>> 16) & 0xffff;
2142 //ULONG RevID = deviceExtension->RevID;
2143 ULONG ChipFlags
= deviceExtension
->HwFlags
& CHIPFLAG_MASK
;
2147 KdPrint2((PRINT_PREFIX
"AtapiResetController: Reset IDE %#x/%#x @ %#x\n", VendorID
, DeviceID
, slotNumber
));
2148 KdPrint2((PRINT_PREFIX
"simplexOnly %d\n", deviceExtension
->simplexOnly
));
2150 if(!deviceExtension
->simplexOnly
&& (PathId
!= CHAN_NOT_SPECIFIED
)) {
2151 // we shall reset both channels on SimplexOnly devices,
2152 // It's not worth doing so on normal controllers
2154 numberChannels
= min(j
+1, deviceExtension
->NumberChannels
);
2157 numberChannels
= deviceExtension
->NumberChannels
;
2160 for (; j
< numberChannels
; j
++) {
2162 KdPrint2((PRINT_PREFIX
"AtapiResetController: Reset channel %d\n", j
));
2163 chan
= &(deviceExtension
->chan
[j
]);
2164 MaxLuns
= chan
->NumberLuns
;
2165 KdPrint2((PRINT_PREFIX
" CompleteType %#x, Luns %d, chan %#x, sptr %#x\n", CompleteType
, MaxLuns
, chan
, &chan
));
2166 //MaxLuns = (chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE) ? 1 : 2;
2167 if(CompleteType
!= RESET_COMPLETE_NONE
) {
2169 while((CurSrb
= UniataGetCurRequest(chan
))) {
2171 PATA_REQ AtaReq
= (PATA_REQ
)(CurSrb
->SrbExtension
);
2173 KdPrint2((PRINT_PREFIX
"AtapiResetController: pending SRB %#x, chan %#x\n", CurSrb
, chan
));
2174 // Check and see if we are processing an internal srb
2175 if (AtaReq
->OriginalSrb
) {
2176 KdPrint2((PRINT_PREFIX
" restore original SRB %#x\n", AtaReq
->OriginalSrb
));
2177 AtaReq
->Srb
= AtaReq
->OriginalSrb
;
2178 CurSrb
->SrbExtension
= NULL
;
2179 AtaReq
->OriginalSrb
= NULL
;
2180 // NOTE: internal SRB doesn't get to SRB queue !!!
2181 CurSrb
= AtaReq
->Srb
;
2184 // Remove current request from queue
2185 UniataRemoveRequest(chan
, CurSrb
);
2187 // Check if request is in progress.
2188 ASSERT(AtaReq
->Srb
== CurSrb
);
2190 // Complete outstanding request with SRB_STATUS_BUS_RESET.
2191 UCHAR PathId
= CurSrb
->PathId
;
2192 UCHAR TargetId
= CurSrb
->TargetId
;
2193 UCHAR Lun
= CurSrb
->Lun
;
2195 CurSrb
->SrbStatus
= ((CompleteType
== RESET_COMPLETE_ALL
) ? SRB_STATUS_BUS_RESET
: SRB_STATUS_ABORTED
) | SRB_STATUS_AUTOSENSE_VALID
;
2196 CurSrb
->ScsiStatus
= SCSISTAT_CHECK_CONDITION
;
2198 if (CurSrb
->SenseInfoBuffer
) {
2200 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)CurSrb
->SenseInfoBuffer
;
2201 KdPrint2((PRINT_PREFIX
" senseBuffer %#x, chan %#x\n", senseBuffer
, chan
));
2203 senseBuffer
->ErrorCode
= 0x70;
2204 senseBuffer
->Valid
= 1;
2205 senseBuffer
->AdditionalSenseLength
= 0xb;
2206 if(CompleteType
== RESET_COMPLETE_ALL
) {
2207 KdPrint2((PRINT_PREFIX
"AtapiResetController: report SCSI_SENSE_UNIT_ATTENTION + SCSI_ADSENSE_BUS_RESET\n"));
2208 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
2209 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_BUS_RESET
;
2210 senseBuffer
->AdditionalSenseCodeQualifier
= SCSI_SENSEQ_SCSI_BUS
;
2212 KdPrint2((PRINT_PREFIX
"AtapiResetController: report SCSI_SENSE_ABORTED_COMMAND\n"));
2213 senseBuffer
->SenseKey
= SCSI_SENSE_ABORTED_COMMAND
;
2214 senseBuffer
->AdditionalSenseCode
= 0;
2215 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2219 // Clear request tracking fields.
2220 AtaReq
->WordsLeft
= 0;
2221 AtaReq
->DataBuffer
= NULL
;
2222 AtaReq
->TransferLength
= 0;
2223 KdPrint2((PRINT_PREFIX
"chan %#x\n", chan
));
2225 ScsiPortNotification(RequestComplete
,
2229 // Indicate ready for next request.
2230 ScsiPortNotification(NextLuRequest
,
2236 if(CompleteType
!= RESET_COMPLETE_ALL
)
2239 #endif //UNIATA_CORE
2240 } // end if (!CompleteType != RESET_COMPLETE_NONE)
2242 // Save control flags
2243 ChannelCtrlFlags
= chan
->ChannelCtrlFlags
;
2244 // Clear expecting interrupt flag.
2245 UniataExpectChannelInterrupt(chan
, FALSE
);
2247 chan
->ChannelCtrlFlags
= 0;
2248 InterlockedExchange(&(chan
->CheckIntr
),
2251 for (i
= 0; i
< MaxLuns
; i
++) {
2252 chan
->lun
[i
]->PowerState
= 0;
2255 if(ChipFlags
& UNIATA_AHCI
) {
2256 KdPrint2((PRINT_PREFIX
" AHCI path\n"));
2257 if(UniataAhciChanImplemented(deviceExtension
, j
)) {
2259 UniataDumpAhciPortRegs(chan
);
2261 AtapiDisableInterrupts(deviceExtension
, j
);
2262 UniataAhciReset(HwDeviceExtension
, j
);
2264 KdPrint2((PRINT_PREFIX
" skip not implemented\n"));
2268 KdPrint2((PRINT_PREFIX
" ATA path, chan %#x\n", chan
));
2269 KdPrint2((PRINT_PREFIX
" disable intr (0)\n"));
2270 AtapiDisableInterrupts(deviceExtension
, j
);
2271 KdPrint2((PRINT_PREFIX
" done\n"));
2273 case ATA_INTEL_ID
: {
2277 if(!(ChipFlags
& UNIATA_SATA
)) {
2280 if(!UniataIsSATARangeAvailable(deviceExtension
, j
)) {
2285 /* ICH6 & ICH7 in compat mode has 4 SATA ports as master/slave on 2 ch's */
2286 if(ChipFlags
& UNIATA_AHCI
) {
2289 /* ICH5 in compat mode has SATA ports as master/slave on 1 channel */
2290 GetPciConfig1(0x90, tmp8
);
2298 mask
= 1 << chan
->lun
[0]->SATA_lun_map
;
2300 mask
|= (1 << chan
->lun
[1]->SATA_lun_map
);
2303 ChangePciConfig2(0x92, a
& ~mask
);
2304 AtapiStallExecution(10);
2305 ChangePciConfig2(0x92, a
| mask
);
2308 /* Wait up to 1 sec for "connect well". */
2309 if (ChipFlags
& (I6CH
| I6CH2
)) {
2315 GetPciConfig2(0x92, tmp16
);
2316 if (((tmp16
>> pshift
) & mask
) == mask
) {
2317 GetBaseStatus(chan
, statusByte
);
2318 if(statusByte
!= IDE_STATUS_WRONG
) {
2322 AtapiStallExecution(10000);
2326 case ATA_NVIDIA_ID
: {
2327 KdPrint2((PRINT_PREFIX
" SIS/nVidia\n"));
2328 if(!(ChipFlags
& UNIATA_SATA
))
2331 case ATA_SILICON_IMAGE_ID
: {
2333 ULONG Channel
= deviceExtension
->Channel
+ j
;
2334 if(!(ChipFlags
& UNIATA_SATA
))
2336 offset
= ((Channel
& 1) << 7) + ((Channel
& 2) << 8);
2337 /* disable PHY state change interrupt */
2338 AtapiWritePortEx4(NULL
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
), 0x148 + offset
, 0);
2340 UniataSataClearErr(HwDeviceExtension
, j
, UNIATA_SATA_IGNORE_CONNECT
, 0);
2342 /* reset controller part for this channel */
2343 AtapiWritePortEx4(NULL
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
), 0x48,
2344 AtapiReadPortEx4(NULL
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
), 0x48) | (0xc0 >> Channel
));
2345 AtapiStallExecution(1000);
2346 AtapiWritePortEx4(NULL
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
), 0x48,
2347 AtapiReadPortEx4(NULL
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
), 0x48) & ~(0xc0 >> Channel
));
2351 case ATA_PROMISE_ID
: {
2354 if(ChipFlags
& UNIATA_SATA
) {
2355 KdPrint2((PRINT_PREFIX
" SATA generic reset\n"));
2356 UniataSataClearErr(HwDeviceExtension
, j
, UNIATA_SATA_IGNORE_CONNECT
, 0);
2359 KdPrint2((PRINT_PREFIX
" send reset\n"));
2360 AtapiWritePort1(chan
, IDX_IO2_o_Control
, IDE_DC_DISABLE_INTERRUPTS
|
2361 IDE_DC_RESET_CONTROLLER
);
2362 KdPrint2((PRINT_PREFIX
" wait a little\n"));
2363 AtapiStallExecution(10000);
2364 // Disable interrupts
2365 KdPrint2((PRINT_PREFIX
" disable intr\n"));
2366 AtapiDisableInterrupts(deviceExtension
, j
);
2367 AtapiStallExecution(100);
2368 KdPrint2((PRINT_PREFIX
" re-enable intr\n"));
2369 AtapiEnableInterrupts(deviceExtension
, j
);
2370 KdPrint2((PRINT_PREFIX
" wait a little (2)\n"));
2371 AtapiStallExecution(100000);
2372 KdPrint2((PRINT_PREFIX
" done\n"));
2377 //if(!(ChipFlags & UNIATA_SATA)) {}
2378 if(!UniataIsSATARangeAvailable(deviceExtension
, j
)) {
2379 // Reset DMA engine if active
2380 KdPrint2((PRINT_PREFIX
" check DMA engine\n"));
2381 dma_status
= GetDmaStatus(chan
->DeviceExtension
, chan
->lChannel
);
2382 KdPrint2((PRINT_PREFIX
" DMA status %#x\n", dma_status
));
2383 if((ChannelCtrlFlags
& CTRFLAGS_DMA_ACTIVE
) ||
2384 (dma_status
& BM_STATUS_INTR
)) {
2385 AtapiDmaDone(HwDeviceExtension
, 0, j
, NULL
);
2390 // all these shall be performed inside AtapiHwInitialize__() ?
2392 KdPrint2((PRINT_PREFIX
" process connected devices 0 - %d\n", MaxLuns
-1));
2393 // Do special processing for ATAPI and IDE disk devices.
2394 for (i
= 0; i
< MaxLuns
; i
++) {
2396 // Check if device present.
2397 KdPrint2((PRINT_PREFIX
" Chan %#x\n", chan
));
2398 KdPrint2((PRINT_PREFIX
" Lun %#x\n", i
));
2399 KdPrint2((PRINT_PREFIX
" Lun ptr %#x\n", chan
->lun
[i
]));
2400 if (!(chan
->lun
[i
]->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
2401 if(ChipFlags
& UNIATA_AHCI
) {
2402 // everything is done in UniataAhciReset()
2403 KdPrint2((PRINT_PREFIX
" device have gone\n"));
2409 //if(!CheckDevice(HwDeviceExtension, i, j, FALSE))
2410 if(!UniataAnybodyHome(HwDeviceExtension
, j
, i
)) {
2413 if(!CheckDevice(HwDeviceExtension
, j
, i
, TRUE
)) {
2417 if(ChipFlags
& UNIATA_AHCI
) {
2418 // everything is done in UniataAhciReset()
2419 KdPrint2((PRINT_PREFIX
" found some device\n"));
2421 if(!IssueIdentify(HwDeviceExtension
,
2423 ATAPI_DEVICE(chan
, i
) ?
2424 IDE_COMMAND_ATAPI_IDENTIFY
: IDE_COMMAND_IDENTIFY
,
2426 KdPrint2((PRINT_PREFIX
" identify failed !\n"));
2427 UniataForgetDevice(chan
->lun
[i
]);
2431 if(!UniataAnybodyHome(HwDeviceExtension
, j
, i
)) {
2432 KdPrint2((PRINT_PREFIX
" device have gone\n"));
2433 UniataForgetDevice(chan
->lun
[i
]);
2438 SelectDrive(chan
, i
);
2439 AtapiStallExecution(10);
2440 statusByte
= WaitOnBusyLong(chan
);
2441 statusByte
= UniataIsIdle(deviceExtension
, statusByte
);
2442 if(statusByte
== IDE_STATUS_WRONG
) {
2443 KdPrint2((PRINT_PREFIX
2444 "no drive, status %#x\n",
2446 UniataForgetDevice(chan
->lun
[i
]);
2448 // Check for ATAPI disk.
2449 if (ATAPI_DEVICE(chan
, i
)) {
2450 // Issue soft reset and issue identify.
2451 GetStatus(chan
, statusByte
);
2452 KdPrint2((PRINT_PREFIX
"AtapiResetController: Status before Atapi reset (%#x).\n",
2455 AtapiDisableInterrupts(deviceExtension
, j
);
2456 AtapiSoftReset(chan
, i
);
2457 AtapiEnableInterrupts(deviceExtension
, j
);
2459 GetStatus(chan
, statusByte
);
2461 if(statusByte
== IDE_STATUS_SUCCESS
) {
2463 IssueIdentify(HwDeviceExtension
,
2465 IDE_COMMAND_ATAPI_IDENTIFY
, FALSE
);
2468 KdPrint2((PRINT_PREFIX
2469 "AtapiResetController: Status after soft reset %#x\n",
2472 GetBaseStatus(chan
, statusByte
);
2475 // Issue identify and reinit after channel reset.
2477 if (statusByte
!= IDE_STATUS_IDLE
&&
2478 statusByte
!= IDE_STATUS_SUCCESS
&&
2479 statusByte
!= IDE_STATUS_DRDY
) {
2481 KdPrint2((PRINT_PREFIX
"AtapiResetController: IdeHardReset failed\n"));
2483 if(!IssueIdentify(HwDeviceExtension
,
2485 IDE_COMMAND_IDENTIFY
, FALSE
)) {
2487 KdPrint2((PRINT_PREFIX
"AtapiResetController: IDE IssueIdentify failed\n"));
2489 // Set disk geometry parameters.
2490 if (!SetDriveParameters(HwDeviceExtension
, i
, j
)) {
2491 KdPrint2((PRINT_PREFIX
"AtapiResetController: SetDriveParameters failed\n"));
2493 GetBaseStatus(chan
, statusByte
);
2495 // force DMA mode reinit
2496 chan
->lun
[i
]->DeviceFlags
|= DFLAGS_REINIT_DMA
;
2500 // Enable interrupts, note, we can have here recursive disable
2501 AtapiStallExecution(10);
2502 KdPrint2((PRINT_PREFIX
"AtapiResetController: deviceExtension->chan[%d].DisableIntr %d -> 1\n",
2504 chan
->DisableIntr
));
2505 AtapiEnableInterrupts(deviceExtension
, j
);
2507 // Call the HwInitialize routine to setup multi-block.
2508 AtapiHwInitialize__(deviceExtension
, j
);
2510 ScsiPortNotification(NextRequest
, deviceExtension
, NULL
);
2514 } // end AtapiResetController__()
2519 Routine Description:
2520 This routine maps ATAPI and IDE errors to specific SRB statuses.
2523 HwDeviceExtension - HBA miniport driver's adapter data storage
2524 Srb - IO request packet
2533 IN PVOID HwDeviceExtension
,
2534 IN PSCSI_REQUEST_BLOCK Srb
2537 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
2538 ULONG lChannel
= GET_CHANNEL(Srb
);
2539 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
2541 UCHAR errorByte
= 0;
2542 UCHAR srbStatus
= SRB_STATUS_SUCCESS
;
2544 ULONG DeviceNumber
= GET_CDEV(Srb
);
2545 PHW_LU_EXTENSION LunExt
= chan
->lun
[DeviceNumber
];
2547 // Read the error register.
2549 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
2550 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
2552 errorByte
= AtaReq
->ahci
.in_error
;
2556 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
2558 KdPrint2((PRINT_PREFIX
2559 "MapError: Error register is %#x\n",
2562 if (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) {
2564 switch (errorByte
>> 4) {
2565 case SCSI_SENSE_NO_SENSE
:
2567 KdPrint2((PRINT_PREFIX
2568 "ATAPI: No sense information\n"));
2569 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2570 srbStatus
= SRB_STATUS_ERROR
;
2573 case SCSI_SENSE_RECOVERED_ERROR
:
2575 KdPrint2((PRINT_PREFIX
2576 "ATAPI: Recovered error\n"));
2578 srbStatus
= SRB_STATUS_SUCCESS
;
2581 case SCSI_SENSE_NOT_READY
:
2583 KdPrint2((PRINT_PREFIX
2584 "ATAPI: Device not ready\n"));
2585 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2586 srbStatus
= SRB_STATUS_ERROR
;
2589 case SCSI_SENSE_MEDIUM_ERROR
:
2591 KdPrint2((PRINT_PREFIX
2592 "ATAPI: Media error\n"));
2593 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2594 srbStatus
= SRB_STATUS_ERROR
;
2597 case SCSI_SENSE_HARDWARE_ERROR
:
2599 KdPrint2((PRINT_PREFIX
2600 "ATAPI: Hardware error\n"));
2601 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2602 srbStatus
= SRB_STATUS_ERROR
;
2605 case SCSI_SENSE_ILLEGAL_REQUEST
:
2607 KdPrint2((PRINT_PREFIX
2608 "ATAPI: Illegal request\n"));
2609 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2610 srbStatus
= SRB_STATUS_ERROR
;
2613 case SCSI_SENSE_UNIT_ATTENTION
:
2615 KdPrint2((PRINT_PREFIX
2616 "ATAPI: Unit attention\n"));
2617 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2618 srbStatus
= SRB_STATUS_ERROR
;
2621 case SCSI_SENSE_DATA_PROTECT
:
2623 KdPrint2((PRINT_PREFIX
2624 "ATAPI: Data protect\n"));
2625 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2626 srbStatus
= SRB_STATUS_ERROR
;
2629 case SCSI_SENSE_BLANK_CHECK
:
2631 KdPrint2((PRINT_PREFIX
2632 "ATAPI: Blank check\n"));
2633 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2634 srbStatus
= SRB_STATUS_ERROR
;
2637 case SCSI_SENSE_ABORTED_COMMAND
:
2638 KdPrint2((PRINT_PREFIX
2639 "Atapi: Command Aborted\n"));
2640 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2641 srbStatus
= SRB_STATUS_ERROR
;
2646 KdPrint2((PRINT_PREFIX
2647 "ATAPI: Invalid sense information\n"));
2649 srbStatus
= SRB_STATUS_ERROR
;
2657 // Save errorByte,to be used by SCSIOP_REQUEST_SENSE.
2658 chan
->ReturningMediaStatus
= errorByte
;
2660 if (errorByte
& IDE_ERROR_MEDIA_CHANGE_REQ
) {
2661 KdPrint2((PRINT_PREFIX
2662 "IDE: Media change\n"));
2663 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2664 srbStatus
= SRB_STATUS_ERROR
;
2666 if (Srb
->SenseInfoBuffer
) {
2668 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2670 senseBuffer
->ErrorCode
= 0x70;
2671 senseBuffer
->Valid
= 1;
2672 senseBuffer
->AdditionalSenseLength
= 0xb;
2673 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
2674 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_MEDIUM_CHANGED
;
2675 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2677 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2680 } else if (errorByte
& IDE_ERROR_COMMAND_ABORTED
) {
2681 KdPrint2((PRINT_PREFIX
2682 "IDE: Command abort\n"));
2683 srbStatus
= SRB_STATUS_ABORTED
;
2684 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2686 if (Srb
->SenseInfoBuffer
) {
2688 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2690 senseBuffer
->ErrorCode
= 0x70;
2691 senseBuffer
->Valid
= 1;
2692 senseBuffer
->AdditionalSenseLength
= 0xb;
2693 senseBuffer
->SenseKey
= SCSI_SENSE_ABORTED_COMMAND
;
2694 senseBuffer
->AdditionalSenseCode
= 0;
2695 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2697 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2700 LunExt
->ErrorCount
++;
2702 } else if (errorByte
& IDE_ERROR_END_OF_MEDIA
) {
2704 KdPrint2((PRINT_PREFIX
2705 "IDE: End of media\n"));
2706 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2707 srbStatus
= SRB_STATUS_ERROR
;
2709 if (Srb
->SenseInfoBuffer
) {
2711 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2713 senseBuffer
->ErrorCode
= 0x70;
2714 senseBuffer
->Valid
= 1;
2715 senseBuffer
->AdditionalSenseLength
= 0xb;
2716 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
2717 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_MEDIA_STATE
;
2718 senseBuffer
->AdditionalSenseCodeQualifier
= SCSI_SENSEQ_END_OF_MEDIUM
;
2719 senseBuffer
->EndOfMedia
= 1;
2721 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2724 if (!(LunExt
->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
)){
2725 LunExt
->ErrorCount
++;
2728 } else if (errorByte
& IDE_ERROR_ILLEGAL_LENGTH
) {
2730 KdPrint2((PRINT_PREFIX
2731 "IDE: Illegal length\n"));
2732 srbStatus
= SRB_STATUS_INVALID_REQUEST
;
2734 if (Srb
->SenseInfoBuffer
) {
2736 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2738 senseBuffer
->ErrorCode
= 0x70;
2739 senseBuffer
->Valid
= 1;
2740 senseBuffer
->AdditionalSenseLength
= 0xb;
2741 senseBuffer
->SenseKey
= SCSI_SENSE_ILLEGAL_REQUEST
;
2742 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_INVALID_VALUE
;
2743 senseBuffer
->AdditionalSenseCodeQualifier
= SCSI_SENSEQ_PARAM_INVALID_VALUE
;
2744 senseBuffer
->IncorrectLength
= 1;
2746 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2749 } else if (errorByte
& IDE_ERROR_BAD_BLOCK
) {
2751 KdPrint2((PRINT_PREFIX
2752 "IDE: Bad block\n"));
2753 srbStatus
= SRB_STATUS_ERROR
;
2754 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2755 if (Srb
->SenseInfoBuffer
) {
2757 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2759 senseBuffer
->ErrorCode
= 0x70;
2760 senseBuffer
->Valid
= 1;
2761 senseBuffer
->AdditionalSenseLength
= 0xb;
2762 senseBuffer
->SenseKey
= SCSI_SENSE_MEDIUM_ERROR
;
2763 senseBuffer
->AdditionalSenseCode
= 0;
2764 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2766 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2769 } else if (errorByte
& IDE_ERROR_ID_NOT_FOUND
) {
2771 KdPrint2((PRINT_PREFIX
2772 "IDE: Id not found\n"));
2773 srbStatus
= SRB_STATUS_ERROR
;
2774 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2776 if (Srb
->SenseInfoBuffer
) {
2778 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2780 senseBuffer
->ErrorCode
= 0x70;
2781 senseBuffer
->Valid
= 1;
2782 senseBuffer
->AdditionalSenseLength
= 0xb;
2783 senseBuffer
->SenseKey
= SCSI_SENSE_MEDIUM_ERROR
;
2784 senseBuffer
->AdditionalSenseCode
= 0;
2785 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2787 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2790 LunExt
->ErrorCount
++;
2792 } else if (errorByte
& IDE_ERROR_MEDIA_CHANGE
) {
2794 KdPrint2((PRINT_PREFIX
2795 "IDE: Media change\n"));
2796 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2797 srbStatus
= SRB_STATUS_ERROR
;
2799 if (Srb
->SenseInfoBuffer
) {
2801 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2803 senseBuffer
->ErrorCode
= 0x70;
2804 senseBuffer
->Valid
= 1;
2805 senseBuffer
->AdditionalSenseLength
= 0xb;
2806 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
2807 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_MEDIUM_CHANGED
;
2808 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2810 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2813 } else if (errorByte
& IDE_ERROR_DATA_ERROR
) {
2815 KdPrint2((PRINT_PREFIX
2816 "IDE: Data error\n"));
2817 scsiStatus
= SCSISTAT_CHECK_CONDITION
;
2818 srbStatus
= SRB_STATUS_ERROR
;
2820 if (!(LunExt
->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
)){
2821 LunExt
->ErrorCount
++;
2824 // Build sense buffer
2825 if (Srb
->SenseInfoBuffer
) {
2827 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
2829 senseBuffer
->ErrorCode
= 0x70;
2830 senseBuffer
->Valid
= 1;
2831 senseBuffer
->AdditionalSenseLength
= 0xb;
2832 senseBuffer
->SenseKey
= SCSI_SENSE_MEDIUM_ERROR
;
2833 senseBuffer
->AdditionalSenseCode
= 0;
2834 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
2836 srbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
2840 if (LunExt
->ErrorCount
>= MAX_ERRORS
) {
2841 // deviceExtension->DWordIO = FALSE;
2843 KdPrint2((PRINT_PREFIX
2844 "MapError: ErrorCount >= MAX_ERRORS\n"));
2846 LunExt
->DeviceFlags
&= ~DFLAGS_DWORDIO_ENABLED
;
2847 LunExt
->MaximumBlockXfer
= 0;
2850 KdPrint2((PRINT_PREFIX
2851 "MapError: Disabling 32-bit PIO and Multi-sector IOs\n"));
2854 KdPrint2((PRINT_PREFIX
2855 "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d)\n",
2864 ScsiPortLogError( HwDeviceExtension
,
2872 // Reprogram to not use Multi-sector.
2875 if (LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
&&
2876 !(LunExt
->DeviceFlags
& (DFLAGS_ATAPI_DEVICE
| DFLAGS_MANUAL_CHS
))) {
2878 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_SET_MULTIPLE
, 0, 0, 0, 0, 0, ATA_WAIT_BASE_READY
);
2880 // Check for errors. Reset the value to 0 (disable MultiBlock) if the
2881 // command was aborted.
2882 if (statusByte
& IDE_STATUS_ERROR
) {
2884 // Read the error register.
2885 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
2887 KdPrint2((PRINT_PREFIX
"MapError: Error setting multiple mode. Status %#x, error byte %#x\n",
2891 // Adjust the devExt. value, if necessary.
2892 LunExt
->MaximumBlockXfer
= 0;
2900 // Set SCSI status to indicate a check condition.
2901 Srb
->ScsiStatus
= scsiStatus
;
2910 Routine Description:
2913 HwDeviceExtension - HBA miniport driver's adapter data storage
2917 TRUE - if initialization successful.
2918 FALSE - if initialization unsuccessful.
2924 IN PVOID HwDeviceExtension
2927 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
2928 ULONG numberChannels
= deviceExtension
->NumberChannels
;
2931 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: (base)\n"));
2933 if(WinVer_WDM_Model
) {
2934 AtapiResetController__(HwDeviceExtension
, CHAN_NOT_SPECIFIED
, RESET_COMPLETE_ALL
);
2936 if(deviceExtension
->MasterDev
) {
2937 KdPrint2((PRINT_PREFIX
" mark chan %d of master controller [%x] as inited\n",
2938 deviceExtension
->Channel
, deviceExtension
->DevIndex
));
2939 BMList
[deviceExtension
->DevIndex
].ChanInitOk
|= 0x01 << deviceExtension
->Channel
;
2942 /* do extra chipset specific setups */
2943 AtapiChipInit(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, CHAN_NOT_SPECIFIED
);
2945 if(deviceExtension->Isr2DevObj && (deviceExtension->HwFlags & UNIATA_SATA)) {
2946 KdPrint2((PRINT_PREFIX " enable ISR2 to catch unexpected interrupts\n"));
2947 BMList[deviceExtension->DevIndex].Isr2Enable = TRUE;
2950 for (c
= 0; c
< numberChannels
; c
++) {
2951 AtapiHwInitialize__(deviceExtension
, c
);
2953 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: (base) done\n"));
2955 } // end AtapiHwInitialize()
2959 AtapiHwInitialize__(
2960 IN PHW_DEVICE_EXTENSION deviceExtension
,
2965 UCHAR statusByte
, errorByte
;
2966 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
2967 PHW_LU_EXTENSION LunExt
;
2969 ULONG PreferedMode
= 0xffffffff;
2971 if((deviceExtension
->HwFlags
& UNIATA_AHCI
) &&
2972 !UniataAhciChanImplemented(deviceExtension
, lChannel
)) {
2976 AtapiChipInit(deviceExtension
, DEVNUM_NOT_SPECIFIED
, lChannel
);
2977 FindDevices(deviceExtension
, 0, lChannel
);
2979 for (i
= 0; i
< chan
->NumberLuns
; i
++) {
2981 KdPrint3((PRINT_PREFIX
"AtapiHwInitialize: lChannel %#x, dev %x\n", lChannel
, i
));
2983 LunExt
= chan
->lun
[i
];
2985 if (!(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
2989 AtapiDisableInterrupts(deviceExtension
, lChannel
);
2990 AtapiStallExecution(1);
2992 if (!(LunExt
->DeviceFlags
& (DFLAGS_ATAPI_DEVICE
| DFLAGS_MANUAL_CHS
))) {
2994 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: IDE branch\n"));
2995 // Enable media status notification
2996 IdeMediaStatus(TRUE
,deviceExtension
,lChannel
,(UCHAR
)i
);
2998 // If supported, setup Multi-block transfers.
2999 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3000 IDE_COMMAND_SET_MULTIPLE
, 0, 0, 0,
3001 LunExt
->MaximumBlockXfer
, 0, ATA_WAIT_BASE_READY
);
3003 // Check for errors. Reset the value to 0 (disable MultiBlock) if the
3004 // command was aborted.
3005 if (statusByte
& IDE_STATUS_ERROR
) {
3007 // Read the error register.
3008 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
3010 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: Error setting multiple mode. Status %#x, error byte %#x\n",
3014 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3015 IDE_COMMAND_SET_MULTIPLE
, 0, 0, 0,
3016 0, 0, ATA_WAIT_BASE_READY
);
3018 if (statusByte
& IDE_STATUS_ERROR
) {
3019 // Read the error register.
3020 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
3022 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: Error disabling multiple mode. Status %#x, error byte %#x\n",
3026 // Adjust the devExt. value, if necessary.
3027 LunExt
->MaximumBlockXfer
= 0;
3030 KdPrint2((PRINT_PREFIX
3031 "AtapiHwInitialize: Using Multiblock on Device %d. Blocks / int - %d\n",
3033 LunExt
->MaximumBlockXfer
));
3036 if(LunExt
->IdentifyData
.MajorRevision
) {
3038 if(LunExt
->opt_ReadCacheEnable
) {
3039 KdPrint2((PRINT_PREFIX
" Try Enable Read Cache\n"));
3040 // If supported, setup read/write cacheing
3041 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3042 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3043 0, ATA_C_F_ENAB_RCACHE
, ATA_WAIT_BASE_READY
);
3045 // Check for errors.
3046 if (statusByte
& IDE_STATUS_ERROR
) {
3047 KdPrint2((PRINT_PREFIX
3048 "AtapiHwInitialize: Enable read/write cacheing on Device %d failed\n",
3050 LunExt
->DeviceFlags
&= ~DFLAGS_RCACHE_ENABLED
;
3052 LunExt
->DeviceFlags
|= DFLAGS_RCACHE_ENABLED
;
3055 KdPrint2((PRINT_PREFIX
" Disable Read Cache\n"));
3056 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3057 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3058 0, ATA_C_F_DIS_RCACHE
, ATA_WAIT_BASE_READY
);
3059 LunExt
->DeviceFlags
&= ~DFLAGS_RCACHE_ENABLED
;
3061 if(LunExt
->opt_WriteCacheEnable
) {
3062 KdPrint2((PRINT_PREFIX
" Try Enable Write Cache\n"));
3063 // If supported & allowed, setup write cacheing
3064 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3065 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3066 0, ATA_C_F_ENAB_WCACHE
, ATA_WAIT_BASE_READY
);
3067 // Check for errors.
3068 if (statusByte
& IDE_STATUS_ERROR
) {
3069 KdPrint2((PRINT_PREFIX
3070 "AtapiHwInitialize: Enable write cacheing on Device %d failed\n",
3072 LunExt
->DeviceFlags
&= ~DFLAGS_WCACHE_ENABLED
;
3074 LunExt
->DeviceFlags
|= DFLAGS_WCACHE_ENABLED
;
3077 KdPrint2((PRINT_PREFIX
" Disable Write Cache\n"));
3078 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3079 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3080 0, ATA_C_F_DIS_WCACHE
, ATA_WAIT_BASE_READY
);
3081 LunExt
->DeviceFlags
&= ~DFLAGS_WCACHE_ENABLED
;
3084 if(LunExt
->IdentifyData
.FeaturesSupport
.PowerMngt
||
3085 LunExt
->IdentifyData
.FeaturesSupport
.APM
) {
3087 if(LunExt
->opt_AdvPowerMode
) {
3088 KdPrint2((PRINT_PREFIX
" Try Enable Adv. Power Mgmt\n"));
3090 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3091 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3092 LunExt
->opt_AdvPowerMode
, ATA_C_F_ENAB_APM
, ATA_WAIT_BASE_READY
);
3093 // Check for errors.
3094 if (statusByte
& IDE_STATUS_ERROR
) {
3095 KdPrint2((PRINT_PREFIX
3096 "AtapiHwInitialize: Enable APM on Device %d failed\n",
3100 KdPrint2((PRINT_PREFIX
" Disable Adv. Power Mgmt\n"));
3101 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3102 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3103 0, ATA_C_F_DIS_APM
, ATA_WAIT_BASE_READY
);
3106 if(LunExt
->IdentifyData
.FeaturesSupport
.AutoAcoustic
) {
3107 if(LunExt
->opt_AcousticMode
) {
3108 KdPrint2((PRINT_PREFIX
" Try Enable Acoustic Mgmt\n"));
3109 // setup acoustic mgmt
3110 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3111 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3112 LunExt
->opt_AcousticMode
, ATA_C_F_ENAB_ACOUSTIC
, ATA_WAIT_BASE_READY
);
3113 // Check for errors.
3114 if (statusByte
& IDE_STATUS_ERROR
) {
3115 KdPrint2((PRINT_PREFIX
3116 "AtapiHwInitialize: Enable Acoustic Mgmt on Device %d failed\n",
3120 KdPrint2((PRINT_PREFIX
" Disable Acoustic Mgmt\n"));
3121 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3122 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
3123 0, ATA_C_F_DIS_ACOUSTIC
, ATA_WAIT_BASE_READY
);
3126 if(LunExt
->IdentifyData
.FeaturesSupport
.Standby
) {
3127 KdPrint2((PRINT_PREFIX
" Try init standby timer: %d\n"));
3128 // setup standby timer
3129 statusByte
= AtaCommand(deviceExtension
, i
, lChannel
,
3130 IDE_COMMAND_IDLE
, 0, 0, 0,
3131 LunExt
->opt_StandbyTimer
, 0, ATA_WAIT_BASE_READY
);
3132 // Check for errors.
3133 if (statusByte
& IDE_STATUS_ERROR
) {
3134 KdPrint2((PRINT_PREFIX
3135 "AtapiHwInitialize: standby timer on Device %d failed\n",
3141 } else if (!(LunExt
->DeviceFlags
& DFLAGS_CHANGER_INITED
)){
3144 //BOOLEAN isSanyo = FALSE;
3147 KdPrint2((PRINT_PREFIX
"AtapiHwInitialize: ATAPI/Changer branch\n"));
3149 // Attempt to identify any special-case devices - psuedo-atapi changers, atapi changers, etc.
3150 for (j
= 0; j
< 26; j
+= 2) {
3152 // Build a buffer based on the identify data.
3153 MOV_DW_SWP(vendorId
[j
], ((PUCHAR
)LunExt
->IdentifyData
.ModelNumber
)[j
]);
3156 if (!AtapiStringCmp (vendorId
, "CD-ROM CDR", 11)) {
3158 // Inquiry string for older model had a '-', newer is '_'
3159 if (vendorId
[12] == 'C') {
3161 // Torisan changer. Set the bit. This will be used in several places
3162 // acting like 1) a multi-lun device and 2) building the 'special' TUR's.
3163 LunExt
->DeviceFlags
|= (DFLAGS_CHANGER_INITED
| DFLAGS_SANYO_ATAPI_CHANGER
);
3164 LunExt
->DiscsPresent
= 3;
3170 PreferedMode
= LunExt
->opt_MaxTransferMode
;
3171 if((PreferedMode
== 0xffffffff) || (PreferedMode
> chan
->MaxTransferMode
)) {
3172 KdPrint2((PRINT_PREFIX
"MaxTransferMode (overriden): %#x\n", chan
->MaxTransferMode
));
3173 PreferedMode
= chan
->MaxTransferMode
;
3176 if(LunExt
->opt_PreferedTransferMode
!= 0xffffffff) {
3177 KdPrint2((PRINT_PREFIX
"PreferedTransferMode: %#x\n", PreferedMode
));
3178 PreferedMode
= min(LunExt
->opt_PreferedTransferMode
, PreferedMode
);
3181 KdPrint2((PRINT_PREFIX
" try mode %#x\n", PreferedMode
));
3182 LunExt
->LimitedTransferMode
=
3183 LunExt
->TransferMode
=
3186 AtapiDmaInit__(deviceExtension
, LunExt
);
3188 LunExt
->LimitedTransferMode
=
3189 LunExt
->TransferMode
;
3190 KdPrint2((PRINT_PREFIX
"Using %#x mode\n", LunExt
->TransferMode
));
3192 // We need to get our device ready for action before
3193 // returning from this function
3195 // According to the atapi spec 2.5 or 2.6, an atapi device
3196 // clears its status BSY bit when it is ready for atapi commands.
3197 // However, some devices (Panasonic SQ-TC500N) are still
3198 // not ready even when the status BSY is clear. They don't react
3199 // to atapi commands.
3201 // Since there is really no other indication that tells us
3202 // the drive is really ready for action. We are going to check BSY
3203 // is clear and then just wait for an arbitrary amount of time!
3205 if (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) {
3208 // have to get out of the loop sometime!
3209 // 10000 * 100us = 1000,000us = 1000ms = 1s
3211 GetStatus(chan
, statusByte
);
3212 if(statusByte
== IDE_STATUS_WRONG
) {
3215 while ((statusByte
& IDE_STATUS_BUSY
) && waitCount
) {
3217 KdPrint2((PRINT_PREFIX
"Wait for ATAPI (status %x)\n", statusByte
));
3218 // Wait for Busy to drop.
3219 AtapiStallExecution(100);
3220 GetStatus(chan
, statusByte
);
3224 // 5000 * 100us = 500,000us = 500ms = 0.5s
3225 if(statusByte
!= IDE_STATUS_WRONG
) {
3228 AtapiStallExecution(100);
3229 } while (waitCount
--);
3232 GetBaseStatus(chan
, statusByte
);
3233 AtapiEnableInterrupts(deviceExtension
, lChannel
);
3234 AtapiStallExecution(10);
3239 } // end AtapiHwInitialize__()
3246 AtapiHwInitializeChanger(
3247 IN PVOID HwDeviceExtension
,
3248 IN PSCSI_REQUEST_BLOCK Srb
,
3249 IN PMECHANICAL_STATUS_INFORMATION_HEADER MechanismStatus
)
3251 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3252 ULONG lChannel
= GET_CHANNEL(Srb
);
3253 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
3254 ULONG DeviceNumber
= GET_CDEV(Srb
);
3255 PHW_LU_EXTENSION LunExt
= chan
->lun
[DeviceNumber
];
3257 if (MechanismStatus
) {
3258 LunExt
->DiscsPresent
= MechanismStatus
->NumberAvailableSlots
;
3259 if (LunExt
->DiscsPresent
> 1) {
3260 LunExt
->DeviceFlags
|= DFLAGS_ATAPI_CHANGER
;
3264 } // end AtapiHwInitializeChanger()
3269 Routine Description:
3270 This routine will parse the string for a match on the keyword, then
3271 calculate the value for the keyword and return it to the caller.
3274 String - The ASCII string to parse.
3275 KeyWord - The keyword for the value desired.
3278 Zero if value not found
3279 Value converted from ASCII to binary.
3284 AtapiParseArgumentString(
3292 ULONG stringLength
= 0;
3293 ULONG keyWordLength
= 0;
3303 // Calculate the string length and lower case all characters.
3309 // Calculate the keyword length.
3315 if (keyWordLength
> stringLength
) {
3317 // Can't possibly have a match.
3321 // Now setup and start the compare.
3326 // The input string may start with white space. Skip it.
3327 while (*cptr
== ' ' || *cptr
== '\t') {
3331 if (*cptr
== '\0') {
3337 while ((*cptr
== *kptr
) ||
3338 (*cptr
>= 'A' && *cptr
<= 'Z' && *cptr
+ ('a' - 'A') == *kptr
) ||
3339 (*cptr
>= 'a' && *cptr
<= 'z' && *cptr
- ('a' - 'A') == *kptr
)) {
3343 if (*cptr
== '\0') {
3349 if (*kptr
== '\0') {
3351 // May have a match backup and check for blank or equals.
3352 while (*cptr
== ' ' || *cptr
== '\t') {
3356 // Found a match. Make sure there is an equals.
3359 // Not a match so move to the next semicolon.
3361 if (*cptr
++ == ';') {
3362 goto ContinueSearch
;
3367 // Skip the equals sign.
3370 // Skip white space.
3371 while ((*cptr
== ' ') || (*cptr
== '\t')) {
3375 if (*cptr
== '\0') {
3376 // Early end of string, return not found
3381 // This isn't it either.
3383 goto ContinueSearch
;
3387 if ((*cptr
== '0') && ((*(cptr
+ 1) == 'x') || (*(cptr
+ 1) == 'X'))) {
3388 // Value is in Hex. Skip the "0x"
3390 for (index
= 0; *(cptr
+ index
); index
++) {
3392 if (*(cptr
+ index
) == ' ' ||
3393 *(cptr
+ index
) == '\t' ||
3394 *(cptr
+ index
) == ';') {
3398 if ((*(cptr
+ index
) >= '0') && (*(cptr
+ index
) <= '9')) {
3399 value
= (16 * value
) + (*(cptr
+ index
) - '0');
3401 if ((*(cptr
+ index
) >= 'a') && (*(cptr
+ index
) <= 'f')) {
3402 value
= (16 * value
) + (*(cptr
+ index
) - 'a' + 10);
3403 } else if ((*(cptr
+ index
) >= 'A') && (*(cptr
+ index
) <= 'F')) {
3404 value
= (16 * value
) + (*(cptr
+ index
) - 'A' + 10);
3406 // Syntax error, return not found.
3413 // Value is in Decimal.
3414 for (index
= 0; *(cptr
+ index
); index
++) {
3416 if (*(cptr
+ index
) == ' ' ||
3417 *(cptr
+ index
) == '\t' ||
3418 *(cptr
+ index
) == ';') {
3422 if ((*(cptr
+ index
) >= '0') && (*(cptr
+ index
) <= '9')) {
3423 value
= (10 * value
) + (*(cptr
+ index
) - '0');
3426 // Syntax error return not found.
3435 // Not a match check for ';' to continue search.
3437 if (*cptr
++ == ';') {
3438 goto ContinueSearch
;
3444 } // end AtapiParseArgumentString()_
3452 IN PVOID HwDeviceExtension
,
3457 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3458 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
3461 PSCSI_REQUEST_BLOCK srb
= UniataGetCurRequest(chan
);
3464 KdPrint2((PRINT_PREFIX
"AtapiCallBack:\n"));
3465 // If the last command was DSC restrictive, see if it's set. If so, the device is
3466 // ready for a new request. Otherwise, reset the timer and come back to here later.
3468 // If ISR decided to wait for BUSY or DRQ in DPC, we shall also get here.
3469 // In this case chan->ExpectingInterrupt == TRUE, but interrupts are disabled, thus,
3470 // we shall have no problem with interrupt handler.
3471 if (!srb
|| chan
->ExpectingInterrupt
) {
3472 KdPrint2((PRINT_PREFIX
"AtapiCallBack: Calling ISR directly due to BUSY\n"));
3473 chan
->DpcState
= DPC_STATE_TIMER
;
3474 if(!AtapiInterrupt__(HwDeviceExtension
, lChannel
)) {
3475 InterlockedExchange(&(chan
->CheckIntr
), CHECK_INTR_IDLE
);
3476 KdPrint2((PRINT_PREFIX
"AtapiCallBack: What's fucking this ???\n"));
3478 goto ReturnCallback
;
3482 if (!IS_RDP((srb
->Cdb
[0]))) {
3483 KdPrint2((PRINT_PREFIX
"AtapiCallBack: Invalid CDB marked as RDP - %#x\n", srb
->Cdb
[0]));
3487 goto ReturnEnableIntr
;
3489 GetStatus(chan
, statusByte
);
3490 if (statusByte
& IDE_STATUS_DSC
) {
3492 UCHAR PathId
= srb
->PathId
;
3493 UCHAR TargetId
= srb
->TargetId
;
3494 UCHAR Lun
= srb
->Lun
;
3496 KdPrint2((PRINT_PREFIX
"AtapiCallBack: Found DSC for RDP - %#x\n", srb
->Cdb
[0]));
3497 AtapiDmaDBSync(chan
, srb
);
3498 UniataRemoveRequest(chan
, srb
);
3499 ScsiPortNotification(RequestComplete
, deviceExtension
, srb
);
3500 // Clear current SRB.
3501 if(!deviceExtension
->simplexOnly
) {
3502 srb
= UniataGetCurRequest(chan
);
3508 // Ask for next request.
3509 ScsiPortNotification(NextLuRequest
,
3514 ScsiPortNotification(NextRequest
, deviceExtension
, NULL
);
3517 AtapiStartIo__(HwDeviceExtension
, srb
, FALSE
);
3521 KdPrint2((PRINT_PREFIX
"AtapiCallBack: Requesting another timer for Op %#x\n",
3524 AtapiQueueTimerDpc(HwDeviceExtension
, lChannel
,
3528 goto ReturnCallback
;
3533 if(CrNtInterlockedExchangeAdd(&(chan
->DisableIntr
), 0)) {
3534 KdPrint2((PRINT_PREFIX
"AtapiCallBack: CallDisableInterrupts\n"));
3535 //ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL);
3536 #ifdef UNIATA_USE_XXableInterrupts
3537 chan
->ChannelCtrlFlags
|= CTRFLAGS_ENABLE_INTR_REQ
;
3538 // must be called on DISPATCH_LEVEL
3539 ScsiPortNotification(CallDisableInterrupts
, HwDeviceExtension
,
3540 AtapiEnableInterrupts__
);
3542 AtapiEnableInterrupts(HwDeviceExtension
, lChannel
);
3543 InterlockedExchange(&(chan
->CheckIntr
),
3545 // Will raise IRQL to DIRQL
3546 AtapiQueueTimerDpc(HwDeviceExtension
, lChannel
,
3547 AtapiEnableInterrupts__
,
3549 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Timer DPC inited\n"));
3550 #endif // UNIATA_USE_XXableInterrupts
3552 //ASSERT(!deviceExtension->simplexOnly);
3557 // Check other channel
3558 // In simplex mode no interrupts must appear on other channels
3559 for(_c
=0; _c
<deviceExtension
->NumberChannels
; _c
++) {
3560 c
= (_c
+deviceExtension
->FirstChannelToCheck
) % deviceExtension
->NumberChannels
;
3566 chan
= &(deviceExtension
->chan
[c
]);
3568 if((ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(chan
->CheckIntr
),
3569 CRNT_ILK_TYPE CHECK_INTR_ACTIVE
,
3570 CRNT_ILK_TYPE CHECK_INTR_DETECTED
) == CHECK_INTR_DETECTED
)
3572 //ASSERT(!deviceExtension->simplexOnly);
3573 chan
->DpcState
= DPC_STATE_ISR
;
3574 if(!AtapiInterrupt__(HwDeviceExtension
, (UCHAR
)c
)) {
3575 InterlockedExchange(&(chan
->CheckIntr
), CHECK_INTR_IDLE
);
3579 KdPrint2((PRINT_PREFIX
"AtapiCallBack: return\n"));
3582 } // end AtapiCallBack__()
3587 IN PVOID HwDeviceExtension
3590 AtapiCallBack__(HwDeviceExtension
, (UCHAR
)((PHW_DEVICE_EXTENSION
)HwDeviceExtension
)->ActiveDpcChan
);
3591 } // end AtapiCallBack_X()
3593 #endif //UNIATA_CORE
3597 Routine Description:
3599 This is the interrupt service routine for ATAPI IDE miniport driver.
3603 HwDeviceExtension - HBA miniport driver's adapter data storage
3607 TRUE if expecting an interrupt.
3613 IN PVOID HwDeviceExtension
3616 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3618 BOOLEAN status
= FALSE
;
3622 //BOOLEAN checked[AHCI_MAX_PORT];
3626 KdPrint2((PRINT_PREFIX
"Intr: VendorID+DeviceID/Rev %#x/%#x (ex %d)\n",
3627 deviceExtension
->DevID
, deviceExtension
->RevID
, deviceExtension
->ExpectingInterrupt
));
3629 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
3630 // AHCI may generate state change notification, never skip this check
3631 hIS
= UniataAhciReadHostPort4(deviceExtension
, IDX_AHCI_IS
);
3632 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): AHCI: hIS=%x cntrlr %#x chan %#x\n",hIS
, deviceExtension
->DevIndex
, deviceExtension
->Channel
));
3636 // assume all non-interrupted ports to be already checked
3638 // assume all not implemented ports to be already checked
3639 checked
|= ~deviceExtension
->AHCI_PI
;
3641 checked
= 0; // assume all ports are not checked
3644 if(!deviceExtension
->ExpectingInterrupt
) {
3645 // if we do not expect interrupt, exit now,
3646 // but keep in mind that it can be unexpected one
3647 // Note: this is just a hint, not exact counter
3648 KdPrint2((PRINT_PREFIX
"unexpected, 1st chance\n"));
3649 //deviceExtension->ExpectingInterrupt++;
3652 // clear this flag now, it can be set again in sub-calls
3653 deviceExtension
->ExpectingInterrupt
=0;
3656 // for(_c=0; _c<deviceExtension->NumberChannels; _c++) {
3657 // checked[_c] = (UCHAR)((hIS >> _c) & 0x01);
3661 for(pass
=0; pass
<2; pass
++) {
3662 //KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): pass %d\n", pass));
3663 if(status
&& pass
) {
3664 // we catched some expected interrupts now.
3665 // do not touch unexpected until next ISR call
3668 for(_c
=0; _c
<deviceExtension
->NumberChannels
; _c
++) {
3670 c
= (_c
+deviceExtension
->FirstChannelToCheck
) % deviceExtension
->NumberChannels
;
3672 if((checked
>>c
) & 0x01)
3675 // check non-empty and expecting interrupt channels first
3676 if(!pass
&& !deviceExtension
->chan
[c
].ExpectingInterrupt
)
3679 checked
|= (ULONG
)1 << c
;
3681 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): cntrlr %#x chan %#x\n",deviceExtension
->DevIndex
, c
));
3683 if(CrNtInterlockedExchangeAdd(&(deviceExtension
->chan
[c
].DisableIntr
), 0)) {
3684 // we get here on idle channels or when ISR is posted to DPC
3685 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): disabled INTR on ch %d\n", c
));
3688 // lock channel. Wait, while 2nd ISR checks interrupt on this channel
3690 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): try lock\n"));
3691 // c_state = deviceExtension->chan[c].CheckIntr;
3692 // if (deviceExtension->chan[c].CheckIntr == CHECK_INTR_DETECTED) {
3693 // deviceExtension->chan[c].CheckIntr = CHECK_INTR_ACTIVE;
3696 (ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(deviceExtension
->chan
[c
].CheckIntr
),
3697 CRNT_ILK_TYPE CHECK_INTR_ACTIVE
,
3698 CRNT_ILK_TYPE CHECK_INTR_DETECTED
);
3699 if(c_state
== CHECK_INTR_IDLE
) {
3700 // c_state = deviceExtension->chan[c].CheckIntr;
3701 // if (deviceExtension->chan[c].CheckIntr == CHECK_INTR_IDLE) {
3702 // deviceExtension->chan[c].CheckIntr = CHECK_INTR_ACTIVE
3705 (ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(deviceExtension
->chan
[c
].CheckIntr
),
3706 CRNT_ILK_TYPE CHECK_INTR_ACTIVE
,
3707 CRNT_ILK_TYPE CHECK_INTR_IDLE
);
3709 } while(c_state
== CHECK_INTR_CHECK
);
3710 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): locked\n"));
3711 // check if already serviced
3712 if(c_state
== CHECK_INTR_ACTIVE
) {
3713 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): CHECK_INTR_ACTIVE\n"));
3717 if((c_state
== CHECK_INTR_DETECTED
) ||
3718 (i_res
= AtapiCheckInterrupt__(deviceExtension
, (UCHAR
)c
))) {
3720 if(i_res
== INTERRUPT_REASON_UNEXPECTED
) {
3721 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): Catch unexpected\n"));
3722 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3727 // disable interrupts on other channel of legacy mode
3728 // ISA-bridged onboard controller
3729 if(deviceExtension
->simplexOnly
/*||
3730 ((WinVer_Id() > WinVer_NT) && BMList[deviceExtension->DevIndex].MasterDev)*/) {
3731 AtapiDisableInterrupts(deviceExtension
, !c
);
3734 deviceExtension
->chan
[c
].DpcState
= DPC_STATE_ISR
;
3735 if(AtapiInterrupt__(HwDeviceExtension
, (UCHAR
)c
)) {
3736 deviceExtension
->LastInterruptedChannel
= (UCHAR
)c
;
3737 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): return status TRUE\n"));
3740 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): set CHECK_INTR_IDLE\n"));
3741 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3744 // re-enable interrupts on other channel
3745 if(deviceExtension
->simplexOnly
/*||
3746 ((WinVer_Id() > WinVer_NT) && BMList[deviceExtension->DevIndex].MasterDev)*/) {
3747 AtapiEnableInterrupts(deviceExtension
, !c
);
3751 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): set CHECK_INTR_IDLE (2)\n"));
3752 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3757 KdPrint2((PRINT_PREFIX
"AtapiInterrupt(base): exit with status %#x\n", status
));
3759 deviceExtension
->FirstChannelToCheck
++;
3760 if(deviceExtension
->FirstChannelToCheck
>= deviceExtension
->NumberChannels
)
3761 deviceExtension
->FirstChannelToCheck
= 0;
3764 } // end AtapiInterrupt()
3772 IN PKINTERRUPT Interrupt
,
3773 IN PVOID Isr2HwDeviceExtension
3776 // This ISR is intended to catch interrupts when we are already in other ISR instance
3777 // for the same device. This may happen when we have multiple channels,
3778 // especially on SMP machines
3780 PISR2_DEVICE_EXTENSION Isr2DeviceExtension
= (PISR2_DEVICE_EXTENSION
)Isr2HwDeviceExtension
;
3781 PHW_DEVICE_EXTENSION deviceExtension
= Isr2DeviceExtension
->HwDeviceExtension
;
3783 BOOLEAN status
= FALSE
;
3789 // we should never get here for ISA/MCA
3790 if(!BMList
[deviceExtension
->DevIndex
].Isr2Enable
) {
3791 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: NOT ACTIVE cntrlr %#x chan %#x\n",deviceExtension
->DevIndex
, deviceExtension
->Channel
));
3795 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
3796 // AHCI may generate state change notification, never skip this check
3797 hIS
= UniataAhciReadHostPort4(deviceExtension
, IDX_AHCI_IS
);
3798 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: AHCI: hIS=%x cntrlr %#x chan %#x\n",hIS
, deviceExtension
->DevIndex
, deviceExtension
->Channel
));
3802 // assume all non-interrupted ports to be already checked
3804 // assume all not implemented ports to be already checked
3805 checked
|= ~deviceExtension
->AHCI_PI
;
3808 checked
= 0; // assume all ports are not checked
3810 if(!deviceExtension
->ExpectingInterrupt
) {
3811 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: !deviceExtension->ExpectingInterrupt\n"));
3812 deviceExtension
->ExpectingInterrupt
++;
3815 //deviceExtension->ExpectingInterrupt = 0;
3817 for(c
=0; c
<deviceExtension
->NumberChannels
; c
++) {
3818 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: cntrlr %#x chan %#x\n",deviceExtension
->DevIndex
, c
));
3820 if((checked
>>c
) & 0x01)
3823 checked
|= (ULONG
)1 << c
;
3825 if(CrNtInterlockedExchangeAdd(&(deviceExtension
->chan
[c
].DisableIntr
), 0)) {
3826 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: disabled INTR\n"));
3830 if((ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(deviceExtension
->chan
[c
].CheckIntr
),
3831 CRNT_ILK_TYPE CHECK_INTR_CHECK
,
3832 CRNT_ILK_TYPE CHECK_INTR_IDLE
) != CHECK_INTR_IDLE
)
3834 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: !CHECK_INTR_IDLE\n"));
3835 // hunt on unexpected intr (Some devices generate double interrupts,
3836 // some controllers (at least CMD649) interrupt twice with small delay.
3837 // If interrupts are disabled, they queue interrupt and re-issue it later,
3838 // when we do not expect it.
3843 if((i_res
= AtapiCheckInterrupt__(deviceExtension
, (UCHAR
)c
))) {
3845 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: intr\n"));
3846 if(i_res
== INTERRUPT_REASON_UNEXPECTED
) {
3847 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: Catch unexpected\n"));
3848 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3853 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_DETECTED
);
3855 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3858 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: status %d, c_count %d\n", status
, c_count
));
3859 if(status
&& (c_count
!= deviceExtension
->NumberChannels
)) {
3860 // there is an active ISR/DPC for one channel, but
3861 // we have an interrupt from another one
3862 // Lets inform current ISR/DPC about new interrupt
3863 InterlockedExchange(&(deviceExtension
->ReCheckIntr
), CHECK_INTR_DETECTED
);
3867 KdPrint2((PRINT_PREFIX
"AtapiInterrupt2: return %d\n", status
));
3870 } // end AtapiInterrupt2()
3872 RETTYPE_XXableInterrupts
3875 IN PVOID HwDeviceExtension
3878 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3881 for(c
=0; c
<deviceExtension
->NumberChannels
; c
++) {
3882 KdPrint2((PRINT_PREFIX
"AtapiInterruptDpc: %#x\n",c
));
3884 if(!(deviceExtension
->chan
[c
].ChannelCtrlFlags
& CTRFLAGS_DPC_REQ
)) {
3886 if((ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(deviceExtension
->chan
[c
].CheckIntr
),
3887 CRNT_ILK_TYPE CHECK_INTR_ACTIVE
,
3888 CRNT_ILK_TYPE CHECK_INTR_DETECTED
) != CHECK_INTR_DETECTED
)
3894 deviceExtension
->chan
[c
].ChannelCtrlFlags
&= ~CTRFLAGS_DPC_REQ
;
3897 if(OldReqState != REQ_STATE_DPC_INTR_REQ) {
3898 AtapiDisableInterrupts(deviceExtension, lChannel);
3901 deviceExtension
->chan
[c
].DpcState
= DPC_STATE_DPC
;
3902 if(!AtapiInterrupt__(HwDeviceExtension
, (UCHAR
)c
)) {
3903 InterlockedExchange(&(deviceExtension
->chan
[c
].CheckIntr
), CHECK_INTR_IDLE
);
3906 return RETVAL_XXableInterrupts
;
3907 } // end AtapiInterruptDpc()
3910 RETTYPE_XXableInterrupts
3912 AtapiEnableInterrupts__(
3913 IN PVOID HwDeviceExtension
3916 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3917 KdPrint2((PRINT_PREFIX
"AtapiEnableInterrupts__():\n"));
3919 PHW_CHANNEL chan
= NULL
;
3921 for(c
=0; c
<deviceExtension
->NumberChannels
; c
++) {
3922 KdPrint2((PRINT_PREFIX
"AtapiEnableInterrupts__(2): %#x\n",c
));
3923 chan
= &(deviceExtension
->chan
[c
]);
3925 if(chan
->ChannelCtrlFlags
& CTRFLAGS_ENABLE_INTR_REQ
) {
3926 // enable intrs on requested channel
3927 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_ENABLE_INTR_REQ
;
3928 AtapiEnableInterrupts(HwDeviceExtension
, c
);
3929 InterlockedExchange(&(chan
->CheckIntr
),
3932 // check if current or other channel(s) interrupted
3933 //AtapiInterrupt(HwDeviceExtension);
3935 if(deviceExtension
->simplexOnly
) {
3939 // check if other channel(s) interrupted
3940 // must do nothing in simplex mode
3941 if((ULONG
)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE
&(chan
->CheckIntr
),
3942 CRNT_ILK_TYPE CHECK_INTR_ACTIVE
,
3943 CRNT_ILK_TYPE CHECK_INTR_DETECTED
) != CHECK_INTR_DETECTED
) {
3946 //ASSERT(!deviceExtension->simplexOnly);
3947 chan
->DpcState
= DPC_STATE_ISR
;
3948 if(!AtapiInterrupt__(HwDeviceExtension
, (UCHAR
)c
)) {
3949 InterlockedExchange(&(chan
->CheckIntr
), CHECK_INTR_IDLE
);
3953 // In simplex mode next command must be sent to device here
3954 if(deviceExtension
->simplexOnly
&& chan
) {
3955 PSCSI_REQUEST_BLOCK srb
;
3956 chan
= UniataGetNextChannel(chan
);
3958 srb
= UniataGetCurRequest(chan
);
3963 AtapiStartIo__(HwDeviceExtension
, srb
, FALSE
);
3967 return RETVAL_XXableInterrupts
;
3969 } // end AtapiEnableInterrupts__()
3971 #endif //UNIATA_CORE
3976 AtapiEnableInterrupts(
3977 IN PVOID HwDeviceExtension
,
3981 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
3985 if(c
>= deviceExtension
->NumberChannels
) {
3986 KdPrint2((PRINT_PREFIX
"AtapiEnableInterrupts_%d: WRONG CHANNEL\n",c
));
3989 if((deviceExtension
->HwFlags
& UNIATA_AHCI
) &&
3990 !UniataAhciChanImplemented(deviceExtension
, c
)) {
3991 KdPrint2((PRINT_PREFIX
"AtapiEnableInterrupts_%d: not imp. CHANNEL\n",c
));
3995 chan
= &(deviceExtension
->chan
[c
]);
3996 KdPrint2((PRINT_PREFIX
"AtapiEnableInterrupts_%d: %d\n",c
, chan
->DisableIntr
));
3997 if(!InterlockedDecrement(&chan
->DisableIntr
)) {
3998 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
3999 UniataAhciWriteChannelPort4(chan
, IDX_AHCI_P_IE
,
4000 (ATA_AHCI_P_IX_CPD
| ATA_AHCI_P_IX_TFE
| ATA_AHCI_P_IX_HBF
|
4001 ATA_AHCI_P_IX_HBD
| ATA_AHCI_P_IX_INF
| ATA_AHCI_P_IX_IF
| ATA_AHCI_P_IX_OF
|
4002 ((/*ch->pm_level == */0) ? ATA_AHCI_P_IX_PRC
| ATA_AHCI_P_IX_PC
: 0) |
4003 ATA_AHCI_P_IX_PRC
| ATA_AHCI_P_IX_PC
| /* DEBUG */
4005 ATA_AHCI_P_IX_DP
| ATA_AHCI_P_IX_UF
| ATA_AHCI_P_IX_SDB
|
4006 ATA_AHCI_P_IX_DS
| ATA_AHCI_P_IX_PS
| ATA_AHCI_P_IX_DHR
)
4009 //SelectDrive(chan, 0);
4010 //GetBaseStatus(chan, statusByte);
4011 AtapiWritePort1(chan
, IDX_IO2_o_Control
,
4013 //if(chan->NumberLuns) {
4014 // SelectDrive(chan, 1);
4015 // GetBaseStatus(chan, statusByte);
4016 // AtapiWritePort1(chan, IDX_IO2_o_Control,
4018 // SelectDrive(chan, chan->cur_cdev);
4021 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_INTR_DISABLED
;
4023 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
4024 // keep interrupts disabled
4025 UniataAhciWriteChannelPort4(chan
, IDX_AHCI_P_IE
, 0);
4027 AtapiWritePort1(chan
, IDX_IO2_o_Control
,
4028 IDE_DC_DISABLE_INTERRUPTS
/*| IDE_DC_A_4BIT*/ );
4032 } // end AtapiEnableInterrupts()
4036 AtapiDisableInterrupts(
4037 IN PVOID HwDeviceExtension
,
4041 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
4043 if(c
>= deviceExtension
->NumberChannels
) {
4044 KdPrint2((PRINT_PREFIX
"AtapiDisableInterrupts_%d: WRONG CHANNEL\n",c
));
4047 chan
= &(deviceExtension
->chan
[c
]);
4048 KdPrint2((PRINT_PREFIX
"AtapiDisableInterrupts_%d: %d\n",c
, chan
->DisableIntr
));
4049 // mark channel as busy
4050 if(InterlockedIncrement(&chan
->DisableIntr
)) {
4051 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
4052 UniataAhciWriteChannelPort4(chan
, IDX_AHCI_P_IE
, 0);
4054 //SelectDrive(chan, 0);
4055 AtapiWritePort1(chan
, IDX_IO2_o_Control
,
4056 IDE_DC_DISABLE_INTERRUPTS
/*| IDE_DC_A_4BIT*/ );
4057 //if(chan->NumberLuns) {
4058 // SelectDrive(chan, 1);
4059 // AtapiWritePort1(chan, IDX_IO2_o_Control,
4060 // IDE_DC_DISABLE_INTERRUPTS /*| IDE_DC_A_4BIT*/ );
4061 // SelectDrive(chan, chan->cur_cdev);
4064 chan
->ChannelCtrlFlags
|= CTRFLAGS_INTR_DISABLED
;
4068 } // end AtapiDisableInterrupts()
4071 UniataExpectChannelInterrupt(
4072 IN
struct _HW_CHANNEL
* chan
,
4073 IN BOOLEAN Expecting
4076 chan
->ExpectingInterrupt
= Expecting
;
4078 chan
->DeviceExtension
->ExpectingInterrupt
++;
4080 if(chan
->DeviceExtension
->ExpectingInterrupt
) {
4081 chan
->DeviceExtension
->ExpectingInterrupt
--;
4084 } // end UniataExpectChannelInterrupt()
4087 Check hardware for interrupt state
4091 AtapiCheckInterrupt__(
4092 IN PVOID HwDeviceExtension
,
4093 IN UCHAR c
// logical channel
4096 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
4097 PHW_CHANNEL chan
= &(deviceExtension
->chan
[c
]);
4098 PHW_LU_EXTENSION LunExt
;
4100 ULONG VendorID
= deviceExtension
->DevID
& 0xffff;
4101 ULONG ChipType
= deviceExtension
->HwFlags
& CHIPTYPE_MASK
;
4104 ULONG pr_status
= 0;
4105 UCHAR dma_status
= 0;
4108 UCHAR statusByte
= 0;
4109 ULONG slotNumber
= deviceExtension
->slotNumber
;
4110 ULONG SystemIoBusNumber
= deviceExtension
->SystemIoBusNumber
;
4111 ULONG ChipFlags
= deviceExtension
->HwFlags
& CHIPFLAG_MASK
;
4114 BOOLEAN DmaTransfer
= FALSE
;
4115 BOOLEAN OurInterrupt
= FALSE
;
4116 BOOLEAN StatusValid
= FALSE
;
4118 UCHAR interruptReason
;
4119 BOOLEAN EarlyIntr
= FALSE
;
4120 BOOLEAN SingleBlockIntr
= FALSE
;
4122 KdPrint2((PRINT_PREFIX
"AtapiCheckInterrupt__:\n"));
4125 Channel
= (UCHAR
)(deviceExtension
->Channel
+ lChannel
);
4126 LunExt
= chan
->lun
[chan
->cur_cdev
];
4128 //KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__ chan %#x:\n", chan));
4129 //KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__ (%d/%d):\n", Channel, chan->cur_cdev));
4131 if((ChipFlags
& UNIATA_AHCI
) &&
4132 UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
4134 if(!UniataAhciChanImplemented(deviceExtension
, lChannel
)) {
4135 return OurInterrupt
;
4138 OurInterrupt
= UniataAhciStatus(HwDeviceExtension
, lChannel
, DEVNUM_NOT_SPECIFIED
);
4139 if((OurInterrupt
== INTERRUPT_REASON_UNEXPECTED
) &&
4140 (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
)) {
4141 UniataAhciWaitCommandReady(chan
, 2 /* ms */ );
4142 statusByte
= (UCHAR
)UniataAhciWaitReady(chan
, 0 /* immediate */);
4143 if(!(statusByte
& (IDE_STATUS_BUSY
)) ) {
4144 KdPrint2((PRINT_PREFIX
"ATAPI special case READY\n"));
4145 //deviceExtension->ExpectingInterrupt++; // will be updated in ISR on ReturnEnableInterrupts
4146 OurInterrupt
= INTERRUPT_REASON_OUR
;
4148 if((statusByte
& (IDE_STATUS_BUSY
| IDE_STATUS_DRDY
)) == (IDE_STATUS_BUSY
| IDE_STATUS_DRDY
) ) {
4149 KdPrint2((PRINT_PREFIX
"ATAPI special case pre ERR-READY\n"));
4150 OurInterrupt
= INTERRUPT_REASON_OUR
;
4152 if(statusByte
& IDE_STATUS_ERROR
) {
4153 KdPrint2((PRINT_PREFIX
"ATAPI special case ERR-READY\n"));
4154 OurInterrupt
= INTERRUPT_REASON_OUR
;
4156 KdPrint2((PRINT_PREFIX
"ATAPI special case ? %x\n", statusByte
));
4157 OurInterrupt
= INTERRUPT_REASON_OUR
;
4160 return OurInterrupt
;
4163 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_ACTIVE
) {
4165 KdPrint2((PRINT_PREFIX
" cntrlr %#x:%#x, lch %#x DmaTransfer = TRUE\n", deviceExtension
->DevIndex
,
4166 deviceExtension
->Channel
+ c
, c
));
4168 KdPrint2((PRINT_PREFIX
" cntrlr %#x:%#x, lch %#x DmaTransfer = FALSE\n", deviceExtension
->DevIndex
,
4169 deviceExtension
->Channel
+ c
, c
));
4170 dma_status
= GetDmaStatus(deviceExtension
, lChannel
);
4171 KdPrint2((PRINT_PREFIX
" DMA status %#x\n", dma_status
));
4174 // do controller-specific interrupt servicing staff
4175 if(deviceExtension
->UnknownDev
) {
4176 KdPrint2((PRINT_PREFIX
" UnknownDev\n"));
4181 // We can catch (BM_STATUS_ACTIVE + BM_STATUS_INTR) when operation is actually completed
4182 // Such behavior was observed with Intel ICH-xxx chips
4183 // This condition shall also be treated as 'our interrupt' because of BM_STATUS_INTR flag
4187 case ATA_PROMISE_ID
: {
4191 status
= AtapiReadPortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressBM_0
),0x1c);
4195 ((Channel
) ? 0x00004000 : 0x00000400))) {
4196 KdPrint2((PRINT_PREFIX
" Promise old/new unexpected\n"));
4197 return INTERRUPT_REASON_IGNORE
;
4201 AtapiWritePort1(chan
, IDX_BM_DeviceSpecific0
, 0x0b);
4202 status
= AtapiReadPort1(chan
, IDX_BM_DeviceSpecific1
);
4205 if(!(status
& 0x20)) {
4206 KdPrint2((PRINT_PREFIX
" Promise tx unexpected\n"));
4207 return INTERRUPT_REASON_IGNORE
;
4211 ULONG stat_reg
= (ChipFlags
& PRG2
) ? 0x60 : 0x6c;
4212 status
= AtapiReadPortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressBM_0
),0x40);
4213 AtapiWritePortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressBM_0
),0x40, status
);
4215 if(status
& (1 << (Channel
+1))) {
4218 KdPrint2((PRINT_PREFIX
" Promise mio unexpected\n"));
4219 return INTERRUPT_REASON_IGNORE
;
4222 if(!(ChipFlags
& UNIATA_SATA
))
4225 pr_status
= AtapiReadPortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressBM_0
),stat_reg
);
4226 AtapiWritePortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressBM_0
),stat_reg
, (pr_status
& (0x11 << Channel
)));
4227 if(pr_status
& (0x11 << Channel
)) {
4228 // TODO: reset channel
4229 KdPrint2((PRINT_PREFIX
" Promise mio unexpected + reset req\n"));
4230 UniataSataEvent(deviceExtension
, lChannel
, UNIATA_SATA_EVENT_DETACH
, 0);
4232 if(!(status
& (0x01 << Channel
))) {
4234 KdPrint2((PRINT_PREFIX
" Promise mio unexpected attach\n"));
4235 UniataSataEvent(deviceExtension
, lChannel
, UNIATA_SATA_EVENT_ATTACH
, 0);
4237 if(UniataSataClearErr(HwDeviceExtension
, c
, UNIATA_SATA_DO_CONNECT
, 0)) {
4238 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4240 return INTERRUPT_REASON_IGNORE
;
4243 AtapiWritePort4(chan
, IDX_BM_DeviceSpecific0
, 0x00000001);
4247 case ATA_NVIDIA_ID
: {
4248 if(!(ChipFlags
& UNIATA_SATA
))
4251 KdPrint2((PRINT_PREFIX
"NVIDIA\n"));
4253 ULONG offs
= (ChipFlags
& NV4OFF
) ? 0x0440 : 0x0010;
4254 ULONG shift
= Channel
<< ((ChipFlags
& NVQ
) ? 4 : 2);
4256 /* get and clear interrupt status */
4257 if(ChipFlags
& NVQ
) {
4258 pr_status
= AtapiReadPortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
),offs
);
4259 AtapiWritePortEx4(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
),offs
, (0x0fUL
<< shift
) | 0x00f000f0);
4261 pr_status
= AtapiReadPortEx1(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
),offs
);
4262 AtapiWritePortEx1(chan
, (ULONGIO_PTR
)(&deviceExtension
->BaseIoAddressSATA_0
),offs
, (0x0f << shift
));
4264 KdPrint2((PRINT_PREFIX
" pr_status %x\n", pr_status
));
4266 /* check for and handle connect events */
4267 if(((pr_status
& (0x0cUL
<< shift
)) == (0x04UL
<< shift
)) ) {
4268 UniataSataEvent(deviceExtension
, lChannel
, UNIATA_SATA_EVENT_ATTACH
, 0);
4270 /* check for and handle disconnect events */
4271 if((pr_status
& (0x08UL
<< shift
)) &&
4272 !((pr_status
& (0x04UL
<< shift
) &&
4273 UniataSataReadPort4(chan
, IDX_SATA_SStatus
, 0))) ) {
4274 UniataSataEvent(deviceExtension
, lChannel
, UNIATA_SATA_EVENT_DETACH
, 0);
4276 /* do we have any device action ? */
4277 if(!(pr_status
& (0x01UL
<< shift
))) {
4278 KdPrint2((PRINT_PREFIX
" nVidia unexpected\n"));
4279 if(UniataSataClearErr(HwDeviceExtension
, c
, UNIATA_SATA_DO_CONNECT
, 0)) {
4280 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4282 return INTERRUPT_REASON_IGNORE
;
4288 KdPrint2((PRINT_PREFIX
"ATI\n"));
4289 if(ChipType
== SIIMIO
) {
4294 case ATA_SILICON_IMAGE_ID
:
4296 if(ChipType
== SIIMIO
) {
4298 reg32
= AtapiReadPort4(chan
, IDX_BM_DeviceSpecific0
);
4299 KdPrint2((PRINT_PREFIX
" Sii DS0 %x\n", reg32
));
4300 if(reg32
== 0xffffffff) {
4301 KdPrint2((PRINT_PREFIX
" Sii mio unexpected\n"));
4302 return INTERRUPT_REASON_IGNORE
;
4304 if(!(reg32
& (BM_DS0_SII_DMA_SATA_IRQ
| BM_DS0_SII_DMA_COMPLETE
| BM_DS0_SII_IRQ
| BM_DS0_SII_DMA_ENABLE
| BM_DS0_SII_DMA_ERROR
))) {
4305 KdPrint2((PRINT_PREFIX
" Sii mio unexpected (2)\n"));
4306 return INTERRUPT_REASON_IGNORE
;
4309 if(ChipFlags
& UNIATA_SATA
) {
4310 if(reg32
& (BM_DS0_SII_DMA_SATA_IRQ
| BM_DS0_SII_IRQ
)) {
4312 /* SIEN doesn't mask SATA IRQs on some 3112s. Those
4313 * controllers continue to assert IRQ as long as
4314 * SError bits are pending. Clear SError immediately.
4316 if(UniataSataClearErr(HwDeviceExtension
, c
, UNIATA_SATA_DO_CONNECT
, 0)) {
4317 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4324 if (!((dma_status
= GetDmaStatus(deviceExtension
, lChannel
)) & BM_STATUS_INTR
)) {
4325 KdPrint2((PRINT_PREFIX
" Sii mio unexpected (3)\n"));
4326 return OurInterrupt
;
4328 AtapiWritePort1(chan
, IDX_BM_Status
, dma_status
& ~BM_STATUS_ERR
);
4329 goto skip_dma_stat_check
;
4332 if(!(deviceExtension
->HwFlags
& SIIINTR
))
4334 GetPciConfig1(0x71, reg8
);
4335 KdPrint2((PRINT_PREFIX
" 0x71 = %#x\n", reg8
));
4337 (Channel
? 0x08 : 0x04))) {
4338 return INTERRUPT_REASON_IGNORE
;
4341 KdPrint2((PRINT_PREFIX
" cmd our\n"));
4342 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4344 SetPciConfig1(0x71, (Channel
? 0x08 : 0x04));
4351 //dma_status = GetDmaStatus(deviceExtension, lChannel);
4352 if (!((dma_status
= GetDmaStatus(deviceExtension
, lChannel
)) & BM_STATUS_INTR
)) {
4353 KdPrint2((PRINT_PREFIX
" Acard unexpected\n"));
4354 return INTERRUPT_REASON_IGNORE
;
4356 AtapiWritePort1(chan
, IDX_BM_Status
, dma_status
| BM_STATUS_INTR
);
4357 AtapiStallExecution(1);
4358 AtapiWritePort1(chan
, IDX_BM_Command
,
4359 AtapiReadPort1(chan
, IDX_BM_Command
) & ~BM_COMMAND_START_STOP
);
4360 goto skip_dma_stat_check
;
4362 if(UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
4363 if(ChipFlags
& UNIATA_AHCI
) {
4366 if(ChipFlags
& UNIATA_SATA
) {
4367 if(UniataSataClearErr(HwDeviceExtension
, c
, UNIATA_SATA_DO_CONNECT
, 0)) {
4368 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4370 if(!(chan
->ChannelCtrlFlags
& CTRFLAGS_NO_SLAVE
)) {
4371 if(UniataSataClearErr(chan
->DeviceExtension
, chan
->lChannel
, UNIATA_SATA_IGNORE_CONNECT
, 1)) {
4372 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4379 if(UniataIsSATARangeAvailable(deviceExtension
, lChannel
)) {
4380 if(ChipFlags
& UNIATA_AHCI
) {
4383 if(ChipFlags
& UNIATA_SATA
) {
4384 if(UniataSataClearErr(HwDeviceExtension
, c
, UNIATA_SATA_DO_CONNECT
, 0)) {
4385 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4391 KdPrint2((PRINT_PREFIX
" perform generic check\n"));
4393 if (!((dma_status
= GetDmaStatus(deviceExtension
, lChannel
)) & BM_STATUS_INTR
)) {
4394 KdPrint2((PRINT_PREFIX
" DmaTransfer + !BM_STATUS_INTR (%x)\n", dma_status
));
4395 if(dma_status
& BM_STATUS_ERR
) {
4396 KdPrint2((PRINT_PREFIX
" DmaTransfer + BM_STATUS_ERR -> our\n"));
4397 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4399 KdPrint2((PRINT_PREFIX
" getting status...\n"));
4400 GetStatus(chan
, statusByte
);
4402 KdPrint2((PRINT_PREFIX
" status %#x\n", statusByte
));
4403 if(statusByte
& IDE_STATUS_ERROR
) {
4404 KdPrint2((PRINT_PREFIX
" IDE_STATUS_ERROR -> our\n", statusByte
));
4405 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4407 if ((statusByte
& IDE_STATUS_DSC
) &&
4408 (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) &&
4409 (dma_status
== BM_STATUS_ACTIVE
)) {
4410 KdPrint2((PRINT_PREFIX
" special case DMA + ATAPI + IDE_STATUS_DSC -> our\n", statusByte
));
4411 // some devices interrupts on each block transfer even in DMA mode
4412 if(LunExt
->TransferMode
>= ATA_SDMA
&& LunExt
->TransferMode
<= ATA_WDMA2
) {
4413 KdPrint2((PRINT_PREFIX
" wait for completion\n"));
4414 ///* clear interrupt and get status */
4415 //GetBaseStatus(chan, statusByte);
4416 //return INTERRUPT_REASON_IGNORE;
4417 SingleBlockIntr
= TRUE
;
4420 return INTERRUPT_REASON_IGNORE
;
4425 if(dma_status
& BM_STATUS_INTR
) {
4426 // bullshit, we have DMA interrupt, but had never initiate DMA operation
4427 KdPrint2((PRINT_PREFIX
" clear unexpected DMA intr\n"));
4428 AtapiDmaDone(deviceExtension
, DEVNUM_NOT_SPECIFIED
,lChannel
, NULL
);
4430 OurInterrupt
= INTERRUPT_REASON_UNEXPECTED
;
4433 skip_dma_stat_check
:
4434 if(!(ChipFlags
& UNIATA_SATA
) && chan
->ExpectingInterrupt
) {
4435 AtapiStallExecution(1);
4438 /* if drive is busy it didn't interrupt */
4439 /* the exception is DCS + BSY state of ATAPI devices */
4441 KdPrint2((PRINT_PREFIX
" getting status...\n"));
4442 GetStatus(chan
, statusByte
);
4444 if(LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) {
4445 KdPrint3((PRINT_PREFIX
" ATAPI status %#x\n", statusByte
));
4447 KdPrint2((PRINT_PREFIX
" IDE status %#x\n", statusByte
));
4449 if (statusByte
== IDE_STATUS_WRONG
) {
4450 // interrupt from empty controller ?
4452 if (statusByte
& IDE_STATUS_BUSY
) {
4453 if(!chan
->ExpectingInterrupt
) {
4454 KdPrint3((PRINT_PREFIX
" unexpected intr + BUSY\n"));
4455 return OurInterrupt
;
4458 if(LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) {
4459 KdPrint2((PRINT_PREFIX
" ATAPI additional check\n"));
4461 KdPrint2((PRINT_PREFIX
" expecting intr + BUSY (3), non ATAPI\n"));
4462 return INTERRUPT_REASON_IGNORE
;
4464 if((statusByte
& ~IDE_STATUS_DRQ
) != (IDE_STATUS_BUSY
| IDE_STATUS_DRDY
| IDE_STATUS_DSC
)) {
4465 KdPrint3((PRINT_PREFIX
" unexpected status, seems it is not our\n"));
4466 return INTERRUPT_REASON_IGNORE
;
4468 if(!(LunExt
->DeviceFlags
& DFLAGS_INT_DRQ
) && (statusByte
& IDE_STATUS_DRQ
)) {
4469 KdPrint3((PRINT_PREFIX
" unexpected DRQ, seems it is not our\n"));
4470 return INTERRUPT_REASON_IGNORE
;
4475 if(dma_status
& BM_STATUS_INTR
) {
4476 KdPrint3((PRINT_PREFIX
" our interrupt with BSY set, try wait in ISR or post to DPC\n"));
4477 /* clear interrupt and get status */
4478 GetBaseStatus(chan
, statusByte
);
4479 if(!(dma_status
& BM_STATUS_ACTIVE
)) {
4480 AtapiDmaDone(deviceExtension
, DEVNUM_NOT_SPECIFIED
,lChannel
, NULL
);
4482 KdPrint3((PRINT_PREFIX
" base status %#x (+BM_STATUS_INTR)\n", statusByte
));
4483 return INTERRUPT_REASON_OUR
;
4486 if(g_WaitBusyInISR
) {
4487 GetStatus(chan
, statusByte
);
4488 KdPrint2((PRINT_PREFIX
" status re-check %#x\n", statusByte
));
4489 reg8
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
4490 KdPrint2((PRINT_PREFIX
" Error reg (%#x)\n", reg8
));
4491 if (!(statusByte
& IDE_STATUS_BUSY
)) {
4492 KdPrint2((PRINT_PREFIX
" expecting intr + cleared BUSY\n"));
4494 if (statusByte
& IDE_STATUS_BUSY
) {
4495 KdPrint2((PRINT_PREFIX
" still BUSY, seems it is not our\n"));
4496 return INTERRUPT_REASON_IGNORE
;
4502 /* clear interrupt and get status */
4503 GetBaseStatus(chan
, statusByte
);
4504 KdPrint2((PRINT_PREFIX
" base status %#x\n", statusByte
));
4505 if (statusByte
== IDE_STATUS_WRONG
) {
4506 // interrupt from empty controller ?
4508 if(!(statusByte
& (IDE_STATUS_DRQ
| IDE_STATUS_DRDY
))) {
4509 KdPrint2((PRINT_PREFIX
" no DRQ/DRDY set\n"));
4510 return OurInterrupt
;
4513 #ifndef UNIATA_PIO_ONLY
4515 if(!SingleBlockIntr
&& (!EarlyIntr
|| g_WaitBusyInISR
)) {
4516 dma_status
= AtapiDmaDone(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, lChannel
, NULL
/*srb*/);
4518 PSCSI_REQUEST_BLOCK srb
= UniataGetCurRequest(chan
);
4519 PATA_REQ AtaReq
= srb
? (PATA_REQ
)(srb
->SrbExtension
) : NULL
;
4523 if(SingleBlockIntr
) {
4524 KdPrint2((PRINT_PREFIX
" set REQ_STATE_ATAPI_EXPECTING_DATA_INTR2.\n"));
4526 KdPrint2((PRINT_PREFIX
" set REQ_STATE_EARLY_INTR.\n"));
4529 AtaReq
->ReqState
= SingleBlockIntr
? REQ_STATE_ATAPI_EXPECTING_DATA_INTR2
: REQ_STATE_EARLY_INTR
;
4535 if (!(chan
->ExpectingInterrupt
)) {
4537 KdPrint2((PRINT_PREFIX
" Unexpected interrupt.\n"));
4539 if(LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) {
4540 KdPrint2((PRINT_PREFIX
" ATAPI additional check\n"));
4542 KdPrint2((PRINT_PREFIX
" OurInterrupt = %d\n", OurInterrupt
));
4543 return OurInterrupt
;
4545 interruptReason
= (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_InterruptReason
) & ATAPI_IR_Mask
);
4546 KdPrint3((PRINT_PREFIX
"AtapiCheckInterrupt__: ATAPI int reason %x\n", interruptReason
));
4547 return OurInterrupt
;
4549 //ASSERT(!chan->queue_depth || chan->cur_req);
4551 KdPrint2((PRINT_PREFIX
"AtapiCheckInterrupt__: exit with TRUE\n"));
4552 return INTERRUPT_REASON_OUR
;
4554 } // end AtapiCheckInterrupt__()
4560 IN PVOID HwDeviceExtension
,
4564 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
4565 PHW_CHANNEL chan
= &(deviceExtension
->chan
[c
]);
4567 PSCSI_REQUEST_BLOCK srb
= UniataGetCurRequest(chan
);
4568 PATA_REQ AtaReq
= srb
? (PATA_REQ
)(srb
->SrbExtension
) : NULL
;
4570 ULONG wordCount
= 0, wordsThisInterrupt
= DEV_BSIZE
/2;
4571 ULONG status
= SRB_STATUS_SUCCESS
;
4572 UCHAR dma_status
= 0;
4575 UCHAR statusByte
= 0,interruptReason
;
4577 BOOLEAN atapiDev
= FALSE
;
4584 BOOLEAN DmaTransfer
= FALSE
;
4586 ULONG TimerValue
= 1000;
4587 ULONG TotalTimerValue
= 0;
4588 #ifdef UNIATA_USE_XXableInterrupts
4589 BOOLEAN InDpc
= (KeGetCurrentIrql() == DISPATCH_LEVEL
);
4591 BOOLEAN InDpc
= (chan
->DpcState
!= DPC_STATE_ISR
);
4592 #endif // UNIATA_USE_XXableInterrupts
4593 BOOLEAN UseDpc
= deviceExtension
->UseDpc
;
4594 // BOOLEAN RestoreUseDpc = FALSE;
4595 BOOLEAN DataOverrun
= FALSE
;
4596 BOOLEAN NoStartIo
= TRUE
;
4597 BOOLEAN NoRetry
= FALSE
;
4599 KdPrint2((PRINT_PREFIX
"AtapiInterrupt:\n"));
4601 KdPrint2((PRINT_PREFIX
" InDpc = TRUE\n"));
4602 //ASSERT((chan->ChannelCtrlFlags & CTRFLAGS_INTR_DISABLED));
4608 UCHAR OldReqState
= REQ_STATE_NONE
;
4610 PHW_LU_EXTENSION LunExt
;
4615 Channel
= (UCHAR
)(deviceExtension
->Channel
+ lChannel
);
4617 KdPrint2((PRINT_PREFIX
" cntrlr %#x:%d, irql %#x, c %d\n", deviceExtension
->DevIndex
, Channel
, KeGetCurrentIrql(), c
));
4620 if((chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_ACTIVE
) ||
4621 (AtaReq
&& (AtaReq
->Flags
& REQ_FLAG_DMA_OPERATION
)) ||
4622 (deviceExtension
->HwFlags
& UNIATA_AHCI
)) {
4624 KdPrint2((PRINT_PREFIX
" DmaTransfer = TRUE\n"));
4628 PathId
= srb
->PathId
;
4629 TargetId
= srb
->TargetId
;
4635 goto enqueue_next_req
;
4638 //ldev = GET_LDEV2(PathId, TargetId, Lun);
4639 DeviceNumber
= (UCHAR
)(TargetId
);
4640 LunExt
= chan
->lun
[DeviceNumber
];
4641 atapiDev
= (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) ? TRUE
: FALSE
;
4642 KdPrint2((PRINT_PREFIX
" dev_type %s\n", atapiDev
? "ATAPI" : "IDE"));
4644 // check if we are in ISR DPC
4646 KdPrint2((PRINT_PREFIX
" InDpc -> CTRFLAGS_INTR_DISABLED\n"));
4647 goto ServiceInterrupt
;
4651 dma_status
= GetDmaStatus(deviceExtension
, lChannel
);
4654 if (!(chan
->ExpectingInterrupt
)) {
4656 KdPrint2((PRINT_PREFIX
" Unexpected interrupt for this channel.\n"));
4660 // change request state
4662 OldReqState
= AtaReq
->ReqState
;
4663 AtaReq
->ReqState
= REQ_STATE_PROCESSING_INTR
;
4664 KdPrint2((PRINT_PREFIX
" OldReqState = %x\n", OldReqState
));
4667 // We don't want using DPC for fast operations, like
4668 // DMA completion, sending CDB, short ATAPI transfers, etc.
4670 // We MUST use DPC, because of interprocessor synchronization
4671 // on multiprocessor platforms
4674 goto ServiceInterrupt
;
4676 switch(OldReqState
) {
4677 case REQ_STATE_ATAPI_EXPECTING_CMD_INTR
:
4678 KdPrint3((PRINT_PREFIX
" EXPECTING_CMD_INTR\n"));
4679 case REQ_STATE_ATAPI_EXPECTING_DATA_INTR
:
4680 case REQ_STATE_ATAPI_EXPECTING_DATA_INTR2
:
4681 case REQ_STATE_DPC_WAIT_BUSY0
:
4682 case REQ_STATE_DPC_WAIT_BUSY1
:
4683 KdPrint2((PRINT_PREFIX
" continue service interrupt\n"));
4684 goto ServiceInterrupt
;
4685 case REQ_STATE_ATAPI_DO_NOTHING_INTR
:
4686 KdPrint2((PRINT_PREFIX
" do nothing on interrupt\n"));
4690 if(!DmaTransfer
&& !atapiDev
) {
4691 KdPrint2((PRINT_PREFIX
" service PIO HDD\n"));
4698 goto ServiceInterrupt
;
4700 #ifdef UNIATA_USE_XXableInterrupts
4702 KdPrint2((PRINT_PREFIX
" Unexpected InDpc\n"));
4704 // shall never get here
4709 KdPrint2((PRINT_PREFIX
" this is direct DPC call on DRQL\n"));
4711 AtaReq
->ReqState
= REQ_STATE_DPC_INTR_REQ
;
4712 KdPrint2((PRINT_PREFIX
" ReqState -> REQ_STATE_DPC_INTR_REQ\n"));
4714 KdPrint2((PRINT_PREFIX
" DPC without AtaReq!!!\n"));
4717 KdPrint2((PRINT_PREFIX
"call service interrupt\n"));
4718 goto ServiceInterrupt
;
4719 #endif // UNIATA_USE_XXableInterrupts
4724 // AtapiInterruptDpc() is called on DISPATCH_LEVEL
4725 // We always get here when are called from timer callback, which is invoked on DRQL.
4726 // It is intended to lower IRQL and let other interrupts to be serviced while we are waiting for BUSY release
4728 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: start DPC init...\n"));
4729 // disable interrupts for this channel,
4730 // but avoid recursion and double-disable
4731 if(OldReqState
!= REQ_STATE_DPC_WAIT_BUSY1
) {
4732 UniataExpectChannelInterrupt(chan
, FALSE
);
4733 AtapiDisableInterrupts(deviceExtension
, lChannel
);
4736 chan
->ChannelCtrlFlags
|= CTRFLAGS_DPC_REQ
;
4738 #ifdef UNIATA_USE_XXableInterrupts
4739 // Will lower IRQL to DISPATCH_LEVEL
4740 ScsiPortNotification(CallEnableInterrupts
, HwDeviceExtension
,
4741 /*c ?*/ AtapiInterruptDpc
/*_1 : AtapiInterruptDpc_0*/);
4742 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: DPC inited\n"));
4744 // Will raise IRQL to DIRQL
4745 AtapiQueueTimerDpc(HwDeviceExtension
, c
,
4748 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Timer DPC inited\n"));
4749 #endif // UNIATA_USE_XXableInterrupts
4754 AtaReq
->ReqState
= REQ_STATE_PROCESSING_INTR
;
4756 if(!InDpc
&& OldReqState
!= REQ_STATE_DPC_WAIT_BUSY1
) {
4757 // we must block interrupts from this channel
4758 // If device generate new interrupt before we get to DPC,
4759 // ISR will assume, that it is NOT our interrupt
4760 AtapiDisableInterrupts(deviceExtension
, lChannel
);
4761 // We should not clean ExpectingInterrupt flag on channel, since it is used in DPC
4763 // Will raise IRQL to DIRQL
4764 AtapiQueueTimerDpc(HwDeviceExtension
, c
,
4768 #endif //UNIATA_CORE
4772 if(AtaReq
&& InDpc
) {
4773 switch(AtaReq
->ReqState
) {
4774 case REQ_STATE_DPC_WAIT_DRQ0
:
4776 case REQ_STATE_DPC_WAIT_BUSY
:
4778 case REQ_STATE_DPC_WAIT_DRQ
:
4780 case REQ_STATE_DPC_WAIT_DRQ_ERR
:
4782 case REQ_STATE_DPC_WAIT_BUSY0
:
4783 case REQ_STATE_DPC_WAIT_BUSY1
:
4784 // continue normal execution
4790 #endif //UNIATA_CORE
4792 // make additional delay for old devices (if we are not in DPC)
4793 if((!LunExt->IdentifyData.MajorRevision || (deviceExtension->lun[DeviceNumber].TransferMode < ATA_PIO4))
4797 !(deviceExtension->HwFlags & UNIATA_SATA)
4799 KdPrint2((PRINT_PREFIX " additional delay 10us for old devices\n"));
4800 AtapiStallExecution(10);
4804 /* clear interrupt and get status */
4805 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
4806 UniataAhciEndTransaction(HwDeviceExtension
, lChannel
, DeviceNumber
, srb
);
4807 statusByte
= (UCHAR
)(AtaReq
->ahci
.in_status
& IDE_STATUS_MASK
);
4809 if(chan
->AhciLastIS
& ~(ATA_AHCI_P_IX_DHR
| ATA_AHCI_P_IX_PS
| ATA_AHCI_P_IX_DS
| ATA_AHCI_P_IX_SDB
)) {
4810 KdPrint3((PRINT_PREFIX
"Err intr (%#x), SE (%#x)\n",
4811 chan
->AhciLastIS
& ~(ATA_AHCI_P_IX_DHR
| ATA_AHCI_P_IX_PS
| ATA_AHCI_P_IX_DS
| ATA_AHCI_P_IX_SDB
),
4812 chan
->AhciLastSError
));
4813 if(chan
->AhciLastIS
& ~ATA_AHCI_P_IX_OF
) {
4814 //KdPrint3((PRINT_PREFIX "Err mask (%#x)\n", chan->AhciLastIS & ~ATA_AHCI_P_IX_OF));
4815 // We have some other error except Overflow
4816 // Just signal ERROR, operation will be aborted in ERROR branch.
4817 statusByte
|= IDE_STATUS_ERROR
;
4818 AtaReq
->ahci
.in_serror
= chan
->AhciLastSError
;
4819 if(chan
->AhciLastSError
& (ATA_SE_HANDSHAKE_ERR
| ATA_SE_LINKSEQ_ERR
| ATA_SE_TRANSPORT_ERR
| ATA_SE_UNKNOWN_FIS
)) {
4820 KdPrint2((PRINT_PREFIX
"Unrecoverable\n"));
4824 // We have only Overflow. Abort operation and continue
4826 UniataDumpAhciPortRegs(chan
);
4828 if(!UniataAhciAbortOperation(chan
)) {
4829 KdPrint2((PRINT_PREFIX
"need UniataAhciReset\n"));
4832 UniataDumpAhciPortRegs(chan
);
4834 UniataAhciWaitCommandReady(chan
, 10);
4839 GetBaseStatus(chan
, statusByte
);
4842 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: ATAPI Entered with status (%#x)\n", statusByte
));
4844 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Entered with status (%#x)\n", statusByte
));
4848 KdPrint2((PRINT_PREFIX
" operate like in DPC\n"));
4854 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
4855 KdPrint3((PRINT_PREFIX
" AHCI branch (IDE)\n"));
4857 if (statusByte
& IDE_STATUS_BUSY
) {
4858 if (deviceExtension
->DriverMustPoll
) {
4859 // Crashdump is polling and we got caught with busy asserted.
4860 // Just go away, and we will be polled again shortly.
4861 KdPrint2((PRINT_PREFIX
" Hit BUSY while polling during crashdump.\n"));
4862 goto ReturnEnableIntr
;
4865 // Ensure BUSY is non-asserted.
4866 // make a very small idle before falling to DPC
4867 k
= (InDpc
&& UseDpc
) ? 1000 : 2;
4869 for (i
= 0; i
< k
; i
++) {
4871 GetBaseStatus(chan
, statusByte
);
4872 if (!(statusByte
& IDE_STATUS_BUSY
)) {
4875 AtapiStallExecution(10);
4878 if (!InDpc
&& UseDpc
&& i
== 2) {
4880 KdPrint2((PRINT_PREFIX
" BUSY on entry. Status %#x, Base IO %#x\n", statusByte
));
4883 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_BUSY0
;
4888 AtapiStallExecution(TimerValue
);
4889 goto ServiceInterrupt
;
4890 #endif //UNIATA_CORE
4892 if (InDpc
&& i
== k
) {
4893 // reset the controller.
4894 KdPrint2((PRINT_PREFIX
4895 " Resetting due to BUSY on entry - %#x.\n",
4897 goto IntrPrepareResetController
;
4902 if(!LunExt
->IdentifyData
.MajorRevision
&&
4905 !(deviceExtension
->HwFlags
& UNIATA_SATA
)
4907 //KdPrint2((PRINT_PREFIX " additional delay 10us for old devices (2)\n"));
4908 //AtapiStallExecution(10);
4910 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
4911 KdPrint3((PRINT_PREFIX
" AHCI branch (ATAPI)\n"));
4913 interruptReason
= (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_InterruptReason
) & ATAPI_IR_Mask
);
4914 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: iReason %x\n", interruptReason
));
4917 if (statusByte
& IDE_STATUS_BUSY
) {
4918 //if(chan->ChannelCtrlFlags & CTRFLAGS_DSC_BSY) {}
4921 // This is just workaround
4922 // We should DISABLE interrupts before entering WAIT state
4923 UniataExpectChannelInterrupt(chan, TRUE);
4924 #endif //UNIATA_CORE
4926 KdPrint3((PRINT_PREFIX
" BUSY on ATAPI device, waiting %d us\n", LunExt
->AtapiReadyWaitDelay
));
4928 if(LunExt
->AtapiReadyWaitDelay
&& (LunExt
->AtapiReadyWaitDelay
> g_opt_MaxIsrWait
) && !InDpc
&& UseDpc
) {
4929 TimerValue
= LunExt
->AtapiReadyWaitDelay
;
4930 KdPrint2((PRINT_PREFIX
" too long wait: ISR -> DPC (0)\n"));
4931 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_BUSY0
;
4934 #endif //UNIATA_CORE
4937 GetBaseStatus(chan
, statusByte
);
4938 KdPrint3((PRINT_PREFIX
" status re-check %#x\n", statusByte
));
4939 KdPrint3((PRINT_PREFIX
" Error reg (%#x)\n",
4940 AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_Error
)));
4941 if (!(statusByte
& IDE_STATUS_BUSY
)) {
4942 KdPrint2((PRINT_PREFIX
" expecting intr + cleared BUSY\n"));
4945 TotalTimerValue
+= TimerValue
;
4947 KdPrint3((PRINT_PREFIX
" too long wait -> DPC\n"));
4949 KdPrint2((PRINT_PREFIX
" too long wait: ISR -> DPC\n"));
4951 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_BUSY0
;
4953 KdPrint2((PRINT_PREFIX
" too long wait: DPC -> DPC\n"));
4955 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_BUSY1
;
4959 if(!LunExt
->AtapiReadyWaitDelay
) {
4960 LunExt
->AtapiReadyWaitDelay
= TotalTimerValue
*2/3;
4964 #endif //UNIATA_CORE
4967 AtapiStallExecution(TimerValue
);
4970 if(!LunExt
->AtapiReadyWaitDelay
) {
4971 LunExt
->AtapiReadyWaitDelay
= TotalTimerValue
*2/3;
4972 KdPrint2((PRINT_PREFIX
" store AtapiReadyWaitDelay: %d\n", LunExt
->AtapiReadyWaitDelay
));
4974 if (statusByte
& IDE_STATUS_BUSY
) {
4975 KdPrint3((PRINT_PREFIX
" expecting intr + BUSY (2), try DPC wait\n"));
4981 if(AtaReq
&& DmaTransfer
&& !(deviceExtension
->HwFlags
& UNIATA_AHCI
)) {
4982 switch(OldReqState
) {
4983 case REQ_STATE_EARLY_INTR
:
4984 case REQ_STATE_DPC_WAIT_BUSY0
:
4986 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_ACTIVE
) {
4987 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: DMA still active\n"));
4988 dma_status
= AtapiDmaDone(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, lChannel
, NULL
/*srb*/);
4995 // Check for error conditions.
4996 if ((statusByte
& IDE_STATUS_ERROR
) ||
4997 (dma_status
& BM_STATUS_ERR
)) {
4999 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
5000 error
= AtaReq
->ahci
.in_error
;
5003 UniataDumpAhciPortRegs(chan
);
5005 if(!UniataAhciAbortOperation(chan
)) {
5006 KdPrint2((PRINT_PREFIX
"need UniataAhciReset\n"));
5008 // clear interrupts again
5009 UniataAhciWaitCommandReady(chan
, 10);
5011 UniataDumpAhciPortRegs(chan
);
5013 UniataAhciStatus(HwDeviceExtension
, lChannel
, DEVNUM_NOT_SPECIFIED
);
5015 AtaReq
->retry
+= MAX_RETRIES
;
5016 if(!error
&& (statusByte
& IDE_STATUS_ERROR
)) {
5017 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: force error status\n"));
5018 error
|= IDE_STATUS_ERROR
;
5022 UniataDumpAhciPortRegs(chan
);
5025 error
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
5027 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Error %#x\n", error
));
5029 if(error & IDE_STATUS_CORRECTED_ERROR) {
5030 KdPrint2((PRINT_PREFIX "AtapiInterrupt: (corrected)\n"));
5031 statusByte &= ~IDE_STATUS_ERROR;
5036 KdPrint2((PRINT_PREFIX
" Bad Lba %#I64x\n", AtaReq
->lba
));
5038 KdPrint2((PRINT_PREFIX
" Bad Lba unknown\n"));
5041 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
5042 KdPrint2((PRINT_PREFIX
" no wait ready after error\n"));
5045 KdPrint2((PRINT_PREFIX
" wait 100 ready after IDE error\n"));
5046 AtapiStallExecution(100);
5048 KdPrint2((PRINT_PREFIX
" wait 10 ready after ATAPI error\n"));
5049 AtapiStallExecution(10);
5053 KdPrint3((PRINT_PREFIX
" Intr on DRQ %x\n",
5054 LunExt
->DeviceFlags
& DFLAGS_INT_DRQ
));
5056 for (k
= atapiDev
? 0 : 200; k
; k
--) {
5057 GetBaseStatus(chan
, statusByte
);
5058 if (!(statusByte
& IDE_STATUS_DRQ
)) {
5059 AtapiStallExecution(50);
5066 /* if this is a UDMA CRC error, reinject request */
5069 if(AtaReq
->retry
< MAX_RETRIES
) {
5070 #ifdef IO_STATISTICS
5071 chan
->lun
[DeviceNumber
]->ModeErrorCount
[AtaReq
->retry
]++;
5072 #endif //IO_STATISTICS
5074 (error & IDE_ERROR_ICRC)*/) {
5075 KdPrint2((PRINT_PREFIX
"Errors in DMA mode\n"));
5076 if(AtaReq
->retry
< MAX_RETRIES
) {
5078 if(!(deviceExtension
->HwFlags
& UNIATA_AHCI
)) {
5079 //AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION;
5080 // Downrate will happen in AtapiDmaReinit(), try UDMA-2 for HDD only
5081 AtaReq
->Flags
|= REQ_FLAG_FORCE_DOWNRATE
;
5083 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
5087 if(!(AtaReq
->Flags
& REQ_FLAG_FORCE_DOWNRATE
)) {
5090 KdPrint2((PRINT_PREFIX
"Errors in PIO mode\n"));
5094 interruptReason
= (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_InterruptReason
) & ATAPI_IR_Mask
);
5095 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: ATAPI Error, int reason %x\n", interruptReason
));
5097 if(DmaTransfer
&& (chan
->lun
[DeviceNumber
]->TransferMode
> ATA_UDMA2
) &&
5098 ((error
>> 4) == SCSI_SENSE_HARDWARE_ERROR
)) {
5099 if(AtaReq
->retry
< MAX_RETRIES
) {
5101 // Downrate will happen in AtapiDmaReinit(), use PIO immediately for ATAPI
5102 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
5103 AtaReq
->Flags
|= REQ_FLAG_FORCE_DOWNRATE
;
5104 // LunExt->DeviceFlags |= DFLAGS_FORCE_DOWNRATE;
5105 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
5109 if(!(AtaReq
->Flags
& REQ_FLAG_FORCE_DOWNRATE
)) {
5112 KdPrint3((PRINT_PREFIX
"Errors in PIO mode\n"));
5116 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: Error\n"));
5117 if (srb
->Cdb
[0] != SCSIOP_REQUEST_SENSE
) {
5118 // Fail this request.
5119 status
= SRB_STATUS_ERROR
;
5120 goto CompleteRequest
;
5122 KdPrint2((PRINT_PREFIX
" continue with SCSIOP_REQUEST_SENSE\n"));
5125 if(AtaReq
->Flags
& REQ_FLAG_FORCE_DOWNRATE_LBA48
) {
5126 KdPrint2((PRINT_PREFIX
"DMA doesn't work right with LBA48\n"));
5127 deviceExtension
->HbaCtrlFlags
|= HBAFLAGS_DMA_DISABLED_LBA48
;
5129 if(AtaReq
->Flags
& REQ_FLAG_FORCE_DOWNRATE
) {
5130 #ifdef IO_STATISTICS
5131 KdPrint2((PRINT_PREFIX
"Some higher mode doesn't work right :((\n"));
5132 KdPrint2((PRINT_PREFIX
"Recovery stats[%d]: %d vs %d\n",
5134 LunExt
->RecoverCount
[AtaReq
->retry
],
5135 LunExt
->BlockIoCount
5137 LunExt
->RecoverCount
[AtaReq
->retry
]++;
5138 if(LunExt
->RecoverCount
[AtaReq
->retry
] >= chan
->lun
[DeviceNumber
]->BlockIoCount
/3 ||
5139 (deviceExtension
->HwFlags
& UNIATA_NO80CHK
)
5142 if(deviceExtension
->HwFlags
& UNIATA_NO80CHK
) {
5143 #endif //IO_STATISTICS
5144 KdPrint2((PRINT_PREFIX
"Limit transfer rate to %x\n", LunExt
->TransferMode
));
5145 LunExt
->LimitedTransferMode
=
5146 LunExt
->TransferMode
;
5149 #ifdef IO_STATISTICS
5150 if(AtaReq
->bcount
) {
5151 // we need stats for Read/Write operations
5152 LunExt
->BlockIoCount
++;
5155 #endif //IO_STATISTICS
5159 // check reason for this interrupt.
5162 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: ATAPI branch\n"));
5165 interruptReason
= (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_InterruptReason
) & ATAPI_IR_Mask
);
5166 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: iReason %x\n", interruptReason
));
5168 wordsThisInterrupt
= DEV_BSIZE
/2*512;
5170 wordsThisInterrupt
= DEV_BSIZE
/2;
5178 // simulate DRQ for DMA transfers
5179 statusByte
|= IDE_STATUS_DRQ
;
5181 if (statusByte
& IDE_STATUS_DRQ
) {
5184 wordsThisInterrupt
= DEV_BSIZE
/2*512;
5186 if (LunExt
->MaximumBlockXfer
) {
5187 wordsThisInterrupt
= DEV_BSIZE
/2 * LunExt
->MaximumBlockXfer
;
5190 if (srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
5192 interruptReason
= ATAPI_IR_IO_toHost
;
5194 } else if (srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
) {
5195 interruptReason
= ATAPI_IR_IO_toDev
;
5198 status
= SRB_STATUS_ERROR
;
5199 goto CompleteRequest
;
5202 } else if (statusByte
& IDE_STATUS_BUSY
) {
5204 //AtapiEnableInterrupts(deviceExtension, lChannel);
5205 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: return FALSE on ATA IDE_STATUS_BUSY\n"));
5210 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: !DRQ, !BUSY, WordsLeft %#x\n", AtaReq
->WordsLeft
));
5211 if (AtaReq
->WordsLeft
) {
5213 // Funky behaviour seen with PCI IDE (not all, just one).
5215 // The ISR hits with DRQ low, but comes up later.
5216 for (k
= 0; k
< 5000; k
++) {
5217 GetBaseStatus(chan
, statusByte
);
5218 if (statusByte
& IDE_STATUS_DRQ
) {
5223 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_DRQ0
;
5225 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: go to DPC (drq0)\n"));
5229 AtapiStallExecution(TimerValue
);
5230 goto ServiceInterrupt
;
5231 #endif //UNIATA_CORE
5233 AtapiStallExecution(100);
5236 // reset the controller.
5237 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Resetting due to DRQ not up. Status %#x\n",
5239 IntrPrepareResetController
:
5240 AtapiResetController__(HwDeviceExtension
, lChannel
, RESET_COMPLETE_CURRENT
);
5241 goto ReturnEnableIntr
;
5244 interruptReason
= (srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) ? ATAPI_IR_IO_toHost
: ATAPI_IR_IO_toDev
;
5248 // Command complete - verify, write, or the SMART enable/disable.
5249 // Also get_media_status
5250 interruptReason
= ATAPI_IR_IO_toHost
| ATAPI_IR_COD_Cmd
;
5255 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: i-reason=%d, status=%#x\n", interruptReason
, statusByte
));
5256 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
5257 KdPrint2((PRINT_PREFIX
" AHCI path, WordsTransfered %x, WordsLeft %x\n", AtaReq
->WordsTransfered
, AtaReq
->WordsLeft
));
5258 /* if(chan->AhciLastIS & ATA_AHCI_P_IX_OF) {
5259 //status = SRB_STATUS_DATA_OVERRUN;
5262 status = SRB_STATUS_SUCCESS;
5264 if(AtaReq
->WordsTransfered
>= AtaReq
->WordsLeft
) {
5265 AtaReq
->WordsLeft
= 0;
5267 AtaReq
->WordsLeft
-= AtaReq
->WordsTransfered
;
5269 //if(AtaReq->WordsLeft && (status == SRB_STATUS_SUCCESS)) {
5270 // status = SRB_STATUS_DATA_OVERRUN;
5272 status
= SRB_STATUS_SUCCESS
;
5273 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
5274 goto CompleteRequest
;
5276 if (interruptReason
== ATAPI_IR_COD_Cmd
&& (statusByte
& IDE_STATUS_DRQ
)) {
5277 // Write the packet.
5278 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: Writing Atapi packet.\n"));
5279 // Send CDB to device.
5280 WriteBuffer(chan
, (PUSHORT
)srb
->Cdb
,
5281 LunExt
->IdentifyData
.AtapiCmdSize
? 8 : 6,
5283 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
5285 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_OPERATION
) {
5286 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: AtapiDmaStart().\n"));
5287 AtapiDmaStart(HwDeviceExtension
, DeviceNumber
, lChannel
, srb
);
5290 goto ReturnEnableIntr
;
5292 } else if (interruptReason
== ATAPI_IR_IO_toDev
&& (statusByte
& IDE_STATUS_DRQ
)) {
5297 // Pick up bytes to transfer and convert to words.
5299 AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_ByteCountLow
);
5302 (USHORT
)AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_ByteCountHigh
) << 8;
5304 // Covert bytes to words.
5306 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: get W wordCount %#x\n", wordCount
));
5308 if (wordCount
!= AtaReq
->WordsLeft
) {
5309 KdPrint2((PRINT_PREFIX
5310 "AtapiInterrupt: %d words requested; %d words xferred\n",
5315 // Verify this makes sense.
5316 if (wordCount
> AtaReq
->WordsLeft
) {
5317 wordCount
= AtaReq
->WordsLeft
;
5318 KdPrint2((PRINT_PREFIX
5319 "AtapiInterrupt: Write underrun\n"));
5325 // IDE path. Check if words left is at least DEV_BSIZE/2 = 256.
5326 if (AtaReq
->WordsLeft
< wordsThisInterrupt
) {
5327 // Transfer only words requested.
5328 wordCount
= AtaReq
->WordsLeft
;
5330 // Transfer next block.
5331 wordCount
= wordsThisInterrupt
;
5336 (chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_OPERATION
)) {
5337 //ASSERT(AtaReq->WordsLeft == wordCount);
5338 if(AtaReq
->ReqState
== REQ_STATE_ATAPI_EXPECTING_DATA_INTR2
) {
5339 KdPrint2((PRINT_PREFIX
5340 "IdeIntr: DMA tmp INTR %#x vs %#x\n", AtaReq
->WordsLeft
, wordCount
));
5341 if(AtaReq
->WordsLeft
> wordCount
) {
5342 AtaReq
->WordsLeft
-= wordCount
;
5343 AtaReq
->WordsTransfered
+= wordCount
;
5344 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
5345 goto ReturnEnableIntr
;
5347 dma_status
= AtapiDmaDone(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, lChannel
, NULL
/*srb*/);
5349 AtaReq
->WordsTransfered
= AtaReq
->WordsLeft
;
5350 AtaReq
->WordsLeft
= 0;
5351 status
= SRB_STATUS_SUCCESS
;
5352 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
5353 goto CompleteRequest
;
5356 // Ensure that this is a write command.
5357 if (srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
) {
5359 KdPrint2((PRINT_PREFIX
5360 "AtapiInterrupt: Write interrupt\n"));
5362 statusByte
= WaitOnBusy(chan
);
5364 if (atapiDev
|| !(LunExt
->DeviceFlags
& DFLAGS_DWORDIO_ENABLED
) /*!deviceExtension->DWordIO*/) {
5369 UniataGetPioTiming(LunExt
));
5373 (PULONG
)(AtaReq
->DataBuffer
),
5375 UniataGetPioTiming(LunExt
));
5379 KdPrint3((PRINT_PREFIX
5380 "AtapiInterrupt: Int reason %#x, but srb is for a read %#x.\n",
5384 // Fail this request.
5385 status
= SRB_STATUS_ERROR
;
5386 goto CompleteRequest
;
5388 // Advance data buffer pointer and bytes left.
5389 AtaReq
->DataBuffer
+= wordCount
;
5390 AtaReq
->WordsLeft
-= wordCount
;
5391 AtaReq
->WordsTransfered
+= wordCount
;
5394 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
5397 goto ReturnEnableIntr
;
5399 } else if (interruptReason
== ATAPI_IR_IO_toHost
&& (statusByte
& IDE_STATUS_DRQ
)) {
5404 // Pick up bytes to transfer and convert to words.
5406 AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_ByteCountLow
) |
5407 (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_ByteCountHigh
) << 8);
5409 // Convert bytes to words.
5411 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: get R wordCount %#x\n", wordCount
));
5413 if (wordCount
!= AtaReq
->WordsLeft
) {
5414 KdPrint2((PRINT_PREFIX
5415 "AtapiInterrupt: %d words requested; %d words xferred\n",
5420 // Verify this makes sense.
5421 if (wordCount
> AtaReq
->WordsLeft
) {
5422 wordCount
= AtaReq
->WordsLeft
;
5428 // Check if words left is at least 256.
5429 if (AtaReq
->WordsLeft
< wordsThisInterrupt
) {
5430 // Transfer only words requested.
5431 wordCount
= AtaReq
->WordsLeft
;
5433 // Transfer next block.
5434 wordCount
= wordsThisInterrupt
;
5439 (chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_OPERATION
)) {
5440 if(AtaReq
->ReqState
== REQ_STATE_ATAPI_EXPECTING_DATA_INTR2
) {
5441 KdPrint2((PRINT_PREFIX
5442 "IdeIntr: DMA tmp INTR %#x vs %#x\n", AtaReq
->WordsLeft
, wordCount
));
5443 if(AtaReq
->WordsLeft
> wordCount
) {
5444 AtaReq
->WordsLeft
-= wordCount
;
5445 AtaReq
->WordsTransfered
+= wordCount
;
5446 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
5447 goto ReturnEnableIntr
;
5449 dma_status
= AtapiDmaDone(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, lChannel
, NULL
/*srb*/);
5451 //ASSERT(AtaReq->WordsLeft == wordCount);
5452 AtaReq
->WordsTransfered
= AtaReq
->WordsLeft
;
5453 AtaReq
->WordsLeft
= 0;
5454 status
= SRB_STATUS_SUCCESS
;
5455 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
5456 goto CompleteRequest
;
5459 // Ensure that this is a read command.
5460 if (srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
5463 "AtapiInterrupt: Read interrupt\n"));*/
5465 statusByte
= WaitOnBusy(chan
);
5467 if (atapiDev
|| !(LunExt
->DeviceFlags
& DFLAGS_DWORDIO_ENABLED
) /*!deviceExtension->DWordIO*/) {
5468 KdPrint2((PRINT_PREFIX
5469 "IdeIntr: Read %#x words\n", wordCount
));
5474 UniataGetPioTiming(LunExt
));
5475 KdPrint2(("IdeIntr: PIO Read AtaReq->DataBuffer %#x, srb->DataBuffer %#x\n", AtaReq
->DataBuffer
, (srb
? srb
->DataBuffer
: (void*)-1) ));
5476 //KdDump(AtaReq->DataBuffer, wordCount*2);
5477 if(srb
&& atapiDev
&& srb
->Cdb
[0] == SCSIOP_REQUEST_SENSE
) {
5478 KdDump(AtaReq
->DataBuffer
, wordCount
*2);
5481 GetBaseStatus(chan
, statusByte
);
5482 KdPrint2((PRINT_PREFIX
" status re-check %#x\n", statusByte
));
5485 KdPrint2((PRINT_PREFIX
" DataOverrun\n"));
5486 AtapiSuckPort2(chan
);
5487 GetBaseStatus(chan
, statusByte
);
5490 if(statusByte
& IDE_STATUS_BUSY
) {
5491 for (i
= 0; i
< 2; i
++) {
5492 AtapiStallExecution(10);
5493 GetBaseStatus(chan
, statusByte
);
5494 if (!(statusByte
& IDE_STATUS_BUSY
)) {
5500 KdPrint2((PRINT_PREFIX
5501 "IdeIntr: Read %#x Dwords\n", wordCount
/2));
5504 (PULONG
)(AtaReq
->DataBuffer
),
5506 UniataGetPioTiming(LunExt
));
5510 KdPrint3((PRINT_PREFIX
5511 "AtapiInterrupt: Int reason %#x, but srb is for a read %#x.\n",
5515 // Fail this request.
5516 status
= SRB_STATUS_ERROR
;
5517 goto CompleteRequest
;
5520 // Advance data buffer pointer and bytes left.
5521 AtaReq
->DataBuffer
+= wordCount
;
5522 AtaReq
->WordsLeft
-= wordCount
;
5523 AtaReq
->WordsTransfered
+= wordCount
;
5525 // Check for read command complete.
5526 if (AtaReq
->WordsLeft
== 0) {
5528 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: all transferred, AtaReq->WordsLeft == 0\n"));
5531 // Work around to make many atapi devices return correct sector size
5532 // of 2048. Also certain devices will have sector count == 0x00, check
5534 if ((srb
->Cdb
[0] == SCSIOP_READ_CAPACITY
) &&
5535 (LunExt
->IdentifyData
.DeviceType
== ATAPI_TYPE_CDROM
)) {
5537 AtaReq
->DataBuffer
-= wordCount
;
5538 if (AtaReq
->DataBuffer
[0] == 0x00) {
5540 *((ULONG
*) &(AtaReq
->DataBuffer
[0])) = 0xFFFFFF7F;
5544 *((ULONG
*) &(AtaReq
->DataBuffer
[2])) = 0x00080000;
5545 AtaReq
->DataBuffer
+= wordCount
;
5548 GetStatus(chan
, statusByte
);
5549 if(!(statusByte
& IDE_STATUS_BUSY
)) {
5550 // Assume command is completed if BUSY is cleared
5551 // and all data read
5552 // Optionally, we may receive COMPLETE interrupt later and
5553 // treat it as unexpected
5554 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: early complete ? status %x\n", statusByte
));
5556 status
= SRB_STATUS_SUCCESS
;
5557 goto CompleteRequest
;
5563 // Completion for IDE drives.
5564 if (AtaReq->WordsLeft) {
5565 status = SRB_STATUS_DATA_OVERRUN;
5567 status = SRB_STATUS_SUCCESS;
5570 goto CompleteRequest;
5572 status
= SRB_STATUS_SUCCESS
;
5573 goto CompleteRequest
;
5578 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
5579 GetStatus(chan
, statusByte
);
5580 if(!(statusByte
& IDE_STATUS_BUSY
)) {
5581 // Assume command is completed if BUSY is cleared
5582 // even if NOT all data read
5583 // Optionally, we may receive COMPLETE interrupt later and
5584 // treat it as unexpected
5585 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: early complete + underrun ? status %x\n", statusByte
));
5587 status
= SRB_STATUS_SUCCESS
;
5588 goto CompleteRequest
;
5591 if(!atapiDev
&& !DataOverrun
&& (srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) &&
5592 (statusByte
== (IDE_STATUS_IDLE
| IDE_STATUS_DRQ
))) {
5593 KdPrint2((PRINT_PREFIX
" HDD read data ready \n"));
5594 goto continue_read_drq
;
5599 goto ReturnEnableIntr
;
5601 } else if (interruptReason
== (ATAPI_IR_IO_toHost
| ATAPI_IR_COD_Cmd
) && !(statusByte
& IDE_STATUS_DRQ
)) {
5603 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: interruptReason = CompleteRequest\n"));
5604 // Command complete. We exactly know this because of IReason.
5607 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: CompleteRequest, was DmaTransfer\n"));
5608 AtaReq
->WordsTransfered
+= AtaReq
->WordsLeft
;
5609 AtaReq
->WordsLeft
= 0;
5611 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: CompleteRequest, was PIO\n"));
5613 wordCount
= AtaReq
->WordsLeft
;
5614 // Advance data buffer pointer and bytes left.
5615 AtaReq
->DataBuffer
+= wordCount
;
5616 AtaReq
->WordsLeft
-= wordCount
;
5617 AtaReq
->WordsTransfered
+= wordCount
;
5619 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: wordCount %#x, WordsTransfered %#x\n", wordCount
, AtaReq
->WordsTransfered
));
5622 //if (AtaReq->WordsLeft) {
5623 // status = SRB_STATUS_DATA_OVERRUN;
5625 status
= SRB_STATUS_SUCCESS
;
5628 #ifdef UNIATA_DUMP_ATAPI
5630 srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
5634 PCHAR ModeSelectData
;
5636 PSCSI_REQUEST_BLOCK Srb
= srb
;
5638 Cdb
= (PCDB
)(Srb
->Cdb
);
5639 ScsiCommand
= Cdb
->CDB6
.OperationCode
;
5640 CdbData
= (PCHAR
)(Srb
->DataBuffer
);
5641 CdbDataLen
= Srb
->DataTransferLength
;
5643 if(CdbDataLen
> 0x1000) {
5644 CdbDataLen
= 0x1000;
5648 KdPrint2(("VendorID+DeviceID/Rev %#x/%#x\n", deviceExtension
->DevID
, deviceExtension
->RevID
));
5649 KdPrint2(("P:T:D=%d:%d:%d\n",
5653 KdPrint(("Complete SCSI Command %2.2x\n", ScsiCommand
));
5656 if(ScsiCommand
== SCSIOP_MODE_SENSE
) {
5657 KdPrint(("ModeSense 6\n"));
5658 PMODE_PARAMETER_HEADER ParamHdr
= (PMODE_PARAMETER_HEADER
)CdbData
;
5659 ModeSelectData
= CdbData
+4;
5660 KdDump(CdbData
, CdbDataLen
);
5662 if(ScsiCommand
== SCSIOP_MODE_SENSE10
) {
5663 KdPrint(("ModeSense 10\n"));
5664 PMODE_PARAMETER_HEADER ParamHdr
= (PMODE_PARAMETER_HEADER
)CdbData
;
5665 ModeSelectData
= CdbData
+8;
5666 KdDump(CdbData
, CdbDataLen
);
5668 if(srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
5669 KdPrint(("Read buffer from device:\n"));
5670 KdDump(CdbData
, CdbDataLen
);
5675 #endif //UNIATA_DUMP_ATAPI
5679 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: CompleteRequest, srbstatus %x\n", status
));
5680 // Check and see if we are processing our secret (mechanism status/request sense) srb
5682 if(AtaReq
->WordsLeft
&& (status
== SRB_STATUS_SUCCESS
)) {
5683 KdPrint2((PRINT_PREFIX
"WordsLeft %#x -> SRB_STATUS_DATA_OVERRUN\n", AtaReq
->WordsLeft
));
5684 status
= SRB_STATUS_DATA_OVERRUN
;
5687 if (AtaReq
->OriginalSrb
) {
5691 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: OriginalSrb != NULL\n"));
5692 if (srb
->Cdb
[0] == SCSIOP_MECHANISM_STATUS
) {
5694 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: SCSIOP_MECHANISM_STATUS status %#x\n", status
));
5695 if (status
== SRB_STATUS_SUCCESS
) {
5697 AtapiHwInitializeChanger (HwDeviceExtension
,
5699 (PMECHANICAL_STATUS_INFORMATION_HEADER
) srb
->DataBuffer
);
5701 // Get ready to issue the original srb
5702 srb
= AtaReq
->Srb
= AtaReq
->OriginalSrb
;
5703 AtaReq
->OriginalSrb
= NULL
;
5706 // failed! Get the sense key and maybe try again
5707 srb
= AtaReq
->Srb
= BuildRequestSenseSrb (
5709 AtaReq
->OriginalSrb
);
5712 // do not enable interrupts in DPC, do not waste time, do it now!
5713 if(UseDpc && chan->DisableIntr) {
5714 AtapiEnableInterrupts(HwDeviceExtension, c);
5716 RestoreUseDpc = TRUE;
5719 srbStatus
= AtapiSendCommand(HwDeviceExtension
, srb
, CMD_ACTION_ALL
);
5721 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: chan->ExpectingInterrupt %d (1)\n", chan
->ExpectingInterrupt
));
5723 if (srbStatus
== SRB_STATUS_PENDING
) {
5724 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: send orig SRB_STATUS_PENDING (1)\n"));
5725 goto ReturnEnableIntr
;
5729 // restore state on error
5731 AtapiDisableInterrupts(HwDeviceExtension, c);
5735 } else { // srb->Cdb[0] == SCSIOP_REQUEST_SENSE)
5737 PSENSE_DATA senseData
= (PSENSE_DATA
) srb
->DataBuffer
;
5739 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: ATAPI command status %#x\n", status
));
5740 if (status
== SRB_STATUS_DATA_OVERRUN
) {
5741 // Check to see if we at least get mininum number of bytes
5742 if ((srb
->DataTransferLength
- AtaReq
->WordsLeft
) >
5743 (FIELD_OFFSET (SENSE_DATA
, AdditionalSenseLength
) + sizeof(senseData
->AdditionalSenseLength
))) {
5744 status
= SRB_STATUS_SUCCESS
;
5748 if (status
== SRB_STATUS_SUCCESS
) {
5750 if ((senseData
->SenseKey
!= SCSI_SENSE_ILLEGAL_REQUEST
) &&
5751 chan
->MechStatusRetryCount
) {
5753 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: MechStatusRetryCount %#x\n", chan
->MechStatusRetryCount
));
5754 // The sense key doesn't say the last request is illegal, so try again
5755 chan
->MechStatusRetryCount
--;
5756 srb
= AtaReq
->Srb
= BuildMechanismStatusSrb (
5758 AtaReq
->OriginalSrb
);
5761 // last request was illegal. No point trying again.
5762 // Do-nothing call ?
5763 AtapiHwInitializeChanger (HwDeviceExtension
,
5765 (PMECHANICAL_STATUS_INFORMATION_HEADER
) NULL
);
5767 // Get ready to issue the original srb
5768 srb
= AtaReq
->Srb
= AtaReq
->OriginalSrb
;
5769 AtaReq
->OriginalSrb
= NULL
;
5771 #endif //UNIATA_CORE
5773 // do not enable interrupts in DPC, do not waste time, do it now!
5774 if(UseDpc && chan->DisableIntr) {
5775 AtapiEnableInterrupts(HwDeviceExtension, c);
5777 RestoreUseDpc = TRUE;
5780 srbStatus
= AtapiSendCommand(HwDeviceExtension
, srb
, CMD_ACTION_ALL
);
5782 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: chan->ExpectingInterrupt %d (2)\n", chan
->ExpectingInterrupt
));
5784 if (srbStatus
== SRB_STATUS_PENDING
) {
5785 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: send orig SRB_STATUS_PENDING (2)\n"));
5786 goto ReturnEnableIntr
;
5790 // restore state on error
5792 AtapiDisableInterrupts(HwDeviceExtension, c);
5798 // If we get here, it means AtapiSendCommand() has failed
5799 // Can't recover. Pretend the original srb has failed and complete it.
5801 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: Error. complete OriginalSrb\n"));
5803 if (AtaReq
->OriginalSrb
) {
5804 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: call AtapiHwInitializeChanger()\n"));
5805 // Do-nothing call ?
5806 AtapiHwInitializeChanger (HwDeviceExtension
,
5808 (PMECHANICAL_STATUS_INFORMATION_HEADER
) NULL
);
5809 srb
= AtaReq
->Srb
= AtaReq
->OriginalSrb
;
5810 AtaReq
->OriginalSrb
= NULL
;
5813 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: chan->ExpectingInterrupt %d (3)\n", chan
->ExpectingInterrupt
));
5815 // fake an error and read no data
5816 status
= SRB_STATUS_ERROR
;
5817 srb
->ScsiStatus
= 0;
5818 AtaReq
->DataBuffer
= (PUSHORT
)(srb
->DataBuffer
);
5819 AtaReq
->WordsLeft
= srb
->DataTransferLength
;
5822 } else if (status
== SRB_STATUS_ERROR
) {
5824 // Map error to specific SRB status and handle request sense.
5825 KdPrint3((PRINT_PREFIX
"AtapiInterrupt: Error. Begin mapping...\n"));
5826 status
= MapError(deviceExtension
,
5831 } else if(!DmaTransfer
) {
5833 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: PIO completion\n"));
5834 // Command complete.
5836 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: PIO completion, wait BUSY\n"));
5837 // Wait for busy to drop.
5838 for (i
= 0; i
< 5*30; i
++) {
5839 GetBaseStatus(chan
, statusByte
);
5840 if (!(statusByte
& IDE_STATUS_BUSY
)) {
5845 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_BUSY
;
5847 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: go to DPC (busy)\n"));
5851 AtapiStallExecution(TimerValue
);
5852 goto ServiceInterrupt
;
5853 #endif //UNIATA_CORE
5855 AtapiStallExecution(100);
5860 // reset the controller.
5861 KdPrint2((PRINT_PREFIX
5862 "AtapiInterrupt: Resetting due to BSY still up - %#x.\n",
5864 goto IntrPrepareResetController
;
5866 // Check to see if DRQ is still up.
5867 if(statusByte
& IDE_STATUS_DRQ
) {
5868 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: DRQ...\n"));
5870 if(srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
5871 KdPrint2((PRINT_PREFIX
"srb %x data in\n", srb
));
5873 KdPrint2((PRINT_PREFIX
"srb %x data out\n", srb
));
5876 KdPrint2((PRINT_PREFIX
"srb NULL\n"));
5879 KdPrint2((PRINT_PREFIX
"AtaReq %x AtaReq->WordsLeft=%x\n", AtaReq
, AtaReq
->WordsLeft
));
5881 KdPrint2((PRINT_PREFIX
"AtaReq NULL\n"));
5883 if(AtaReq
&& AtaReq
->WordsLeft
/*&&
5884 !(LunExt->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_TAPE_DEVICE | DFLAGS_LBA_ENABLED))*/) {
5885 KdPrint2((PRINT_PREFIX
"DRQ+AtaReq->WordsLeft -> next portion\n"));
5889 //if (atapiDev && (statusByte & IDE_STATUS_DRQ)) {}
5890 //if ((statusByte & IDE_STATUS_DRQ)) {}
5891 if((statusByte
& IDE_STATUS_DRQ
) &&
5892 (LunExt
->DeviceFlags
& (DFLAGS_ATAPI_DEVICE
| DFLAGS_TAPE_DEVICE
| DFLAGS_LBA_ENABLED
)) ) {
5895 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: PIO_wait_DRQ\n"));
5896 for (i
= 0; i
< 200; i
++) {
5897 GetBaseStatus(chan
, statusByte
);
5898 if (!(statusByte
& IDE_STATUS_DRQ
)) {
5903 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: go to DPC (drq)\n"));
5904 AtaReq
->ReqState
= REQ_STATE_DPC_WAIT_DRQ
;
5909 AtapiStallExecution(TimerValue
);
5910 goto ServiceInterrupt
;
5911 #endif //UNIATA_CORE
5913 AtapiStallExecution(100);
5917 // reset the controller.
5918 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Resetting due to DRQ still up - %#x\n",
5920 goto IntrPrepareResetController
;
5924 KdPrint2(("IdeIntr: ATAPI Read AtaReq->DataBuffer %#x, srb->DataBuffer %#x, len %#x\n",
5925 AtaReq
->DataBuffer
, (srb
? srb
->DataBuffer
: (void*)(-1)), srb
->DataTransferLength
));
5926 //KdDump(srb->DataBuffer, srb->DataTransferLength);
5928 if(!AtapiDmaPioSync(HwDeviceExtension
, srb
, (PUCHAR
)(srb
->DataBuffer
), srb
->DataTransferLength
)) {
5929 KdPrint2(("IdeIntr: Can't sync DMA and PIO buffers\n"));
5933 // Clear interrupt expecting flag.
5934 UniataExpectChannelInterrupt(chan
, FALSE
);
5935 // clear this flag now, it can be set again in sub-calls
5936 InterlockedExchange(&(chan
->CheckIntr
),
5939 // Sanity check that there is a current request.
5941 // Set status in SRB.
5942 srb
->SrbStatus
= (UCHAR
)status
;
5944 // Check for underflow.
5945 if(AtaReq
->WordsLeft
) {
5947 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Check for underflow, AtaReq->WordsLeft %x\n", AtaReq
->WordsLeft
));
5948 // Subtract out residual words and update if filemark hit,
5949 // setmark hit , end of data, end of media...
5950 if (!(LunExt
->DeviceFlags
& DFLAGS_TAPE_DEVICE
)) {
5951 if (status
== SRB_STATUS_DATA_OVERRUN
) {
5952 srb
->DataTransferLength
-= AtaReq
->WordsLeft
*2;
5954 srb
->DataTransferLength
= 0;
5957 srb
->DataTransferLength
-= AtaReq
->WordsLeft
*2;
5960 if(status
== SRB_STATUS_SUCCESS
) {
5961 //if(!(deviceExtension->HwFlags & UNIATA_AHCI) && !atapiDev) {
5962 // // This should be set in UniataAhciEndTransaction() for AHCI
5963 // AtaReq->WordsTransfered += AtaReq->bcount * DEV_BSIZE/2;
5966 AtaReq
->WordsTransfered
*2 < AtaReq
->TransferLength
) {
5967 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: more I/O required (%x of %x bytes) -> reenqueue\n",
5968 AtaReq
->WordsTransfered
*2, AtaReq
->TransferLength
));
5969 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
5970 AtaReq
->ReqState
= REQ_STATE_PREPARE_TO_NEXT
;
5973 KdPrint2((PRINT_PREFIX
" Transfered %x, full size %x\n",
5974 AtaReq
->WordsTransfered
*2, AtaReq
->TransferLength
));
5978 if (srb
->Function
!= SRB_FUNCTION_IO_CONTROL
) {
5981 // Indicate command complete.
5983 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: RequestComplete\n"));
5986 if (status
== SRB_STATUS_SUCCESS
&&
5987 srb
->SenseInfoBuffer
&&
5988 srb
->SenseInfoBufferLength
>= sizeof(SENSE_DATA
)) {
5990 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)srb
->SenseInfoBuffer
;
5992 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: set AutoSense\n"));
5993 senseBuffer
->ErrorCode
= 0;
5994 senseBuffer
->Valid
= 1;
5995 senseBuffer
->AdditionalSenseLength
= 0xb;
5996 senseBuffer
->SenseKey
= 0;
5997 senseBuffer
->AdditionalSenseCode
= 0;
5998 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
6000 srb
->SrbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
6002 AtapiDmaDBSync(chan
, srb
);
6003 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: remove srb %#x, status %x\n", srb
, status
));
6004 UniataRemoveRequest(chan
, srb
);
6005 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: RequestComplete, srb %#x\n", srb
));
6006 ScsiPortNotification(RequestComplete
,
6012 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: IOCTL completion\n"));
6014 if (status
!= SRB_STATUS_SUCCESS
) {
6015 error
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
6016 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: error %#x\n", error
));
6019 if(!AtapiStringCmp( (PCHAR
)(((PSRB_IO_CONTROL
)(srb
->DataBuffer
))->Signature
),"SCSIDISK",sizeof("SCSIDISK")-1)) {
6021 PSENDCMDOUTPARAMS cmdOutParameters
= (PSENDCMDOUTPARAMS
)(((PUCHAR
)srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
6022 // Build the SMART status block depending upon the completion status.
6023 cmdOutParameters
->cBufferSize
= wordCount
;
6024 cmdOutParameters
->DriverStatus
.bDriverError
= (error
) ? SMART_IDE_ERROR
: 0;
6025 cmdOutParameters
->DriverStatus
.bIDEError
= error
;
6027 // If the sub-command is return smart status, jam the value from cylinder low and high, into the
6029 if (chan
->SmartCommand
== RETURN_SMART_STATUS
) {
6030 PIDEREGS_EX regs
= (PIDEREGS_EX
)&(cmdOutParameters
->bBuffer
);
6033 UniataSnapAtaRegs(chan
, 0, regs
);
6035 regs
->bCommandReg
= SMART_CMD
;
6036 regs
->bFeaturesReg
= RETURN_SMART_STATUS
;
6038 cmdOutParameters
->cBufferSize
= 8;
6040 chan
->SmartCommand
= 0; // cleanup after execution
6042 // Indicate command complete.
6043 goto IntrCompleteReq
;
6048 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: No SRB!\n"));
6053 for (i
= 0; i
< 5; i
++) {
6054 GetBaseStatus(chan
, statusByte
);
6055 if(!(statusByte
& IDE_STATUS_BUSY
)) {
6056 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: RDP + cleared BUSY\n"));
6060 if (statusByte
& IDE_STATUS_DSC
) {
6061 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Clear RDP\n"));
6065 AtapiStallExecution(50);
6068 // RDP can be cleared since previous check
6070 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: RequestTimerCall 2000\n"));
6076 AtapiStallExecution(TimerValue
);
6077 goto ServiceInterrupt
;
6078 #endif //UNIATA_CORE
6081 // ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
6084 srb
= UniataGetCurRequest(chan
);
6089 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: NextRequest, srb=%#x\n",srb
));
6091 ScsiPortNotification(NextRequest
,
6095 ScsiPortNotification(NextLuRequest
,
6100 // in simplex mode next command must NOT be sent here
6101 if(!deviceExtension
->simplexOnly
) {
6102 AtapiStartIo__(HwDeviceExtension
, srb
, FALSE
);
6105 // Try to get SRB fron any non-empty queue (later)
6106 if(deviceExtension
->simplexOnly
) {
6109 #endif //UNIATA_CORE
6111 goto ReturnEnableIntr
;
6115 // Unexpected int. Catch it
6116 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Unexpected ATAPI interrupt. InterruptReason %#x. Status %#x.\n",
6120 if(OldReqState
== REQ_STATE_DPC_WAIT_BUSY0
&&
6121 AtaReq
->WordsLeft
== 0) {
6122 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: pending WAIT_BUSY0. Complete.\n"));
6123 status
= SRB_STATUS_SUCCESS
;
6124 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
6125 goto CompleteRequest
;
6131 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: ReturnEnableIntr\n",srb
));
6132 //UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt
6133 deviceExtension
->ExpectingInterrupt
= TRUE
;
6135 if(CrNtInterlockedExchangeAdd(&(chan
->DisableIntr
), 0)) {
6136 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: call AtapiEnableInterrupts__()\n"));
6137 #ifdef UNIATA_USE_XXableInterrupts
6138 //ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL);
6139 chan
->ChannelCtrlFlags
|= CTRFLAGS_ENABLE_INTR_REQ
;
6140 // must be called on DISPATCH_LEVEL
6141 ScsiPortNotification(CallDisableInterrupts
, HwDeviceExtension
,
6142 AtapiEnableInterrupts__
);
6144 AtapiEnableInterrupts(HwDeviceExtension
, c
);
6145 InterlockedExchange(&(chan
->CheckIntr
),
6147 // Will raise IRQL to DIRQL
6149 AtapiQueueTimerDpc(HwDeviceExtension
, lChannel
,
6150 AtapiEnableInterrupts__
,
6152 #endif // UNIATA_CORE
6153 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: Timer DPC inited\n"));
6154 #endif // UNIATA_USE_XXableInterrupts
6158 InterlockedExchange(&(chan
->CheckIntr
), CHECK_INTR_IDLE
);
6159 // in simplex mode next command must be sent here if
6161 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: exiting, UseDpc=%d, NoStartIo=%d\n", UseDpc
, NoStartIo
));
6164 if(!UseDpc
&& /*deviceExtension->simplexOnly &&*/ !NoStartIo
) {
6165 chan
= UniataGetNextChannel(chan
);
6167 srb
= UniataGetCurRequest(chan
);
6171 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: run srb %x\n", srb
));
6173 AtapiStartIo__(HwDeviceExtension
, srb
, FALSE
);
6176 #endif //UNIATA_CORE
6179 } // end AtapiInterrupt__()
6185 Routine Description:
6187 This routine handles SMART enable, disable, read attributes and threshold commands.
6191 HwDeviceExtension - HBA miniport driver's adapter data storage
6192 Srb - IO request packet
6201 IdeSendSmartCommand(
6202 IN PVOID HwDeviceExtension
,
6203 IN PSCSI_REQUEST_BLOCK Srb
,
6204 IN ULONG targetId
// assume it is always valid
6207 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
6208 ULONG c
; // = GET_CHANNEL(Srb); may be invalid
6209 PHW_CHANNEL chan
; // = &(deviceExtension->chan[c]);
6210 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
6211 PSENDCMDOUTPARAMS cmdOutParameters
= (PSENDCMDOUTPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
6212 SENDCMDINPARAMS cmdInParameters
= *(PSENDCMDINPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
6213 PIDEREGS regs
= &cmdInParameters
.irDriveRegs
;
6218 if (regs
->bCommandReg
!= SMART_CMD
) {
6219 KdPrint2((PRINT_PREFIX
6220 "IdeSendSmartCommand: bCommandReg != SMART_CMD\n"));
6221 return SRB_STATUS_INVALID_REQUEST
;
6224 c
= targetId
/ deviceExtension
->NumberLuns
;
6225 DeviceNumber
= targetId
% deviceExtension
->NumberLuns
;
6226 KdPrint2((PRINT_PREFIX
" c %d, dev %d\n", c
, DeviceNumber
));
6228 chan
= &(deviceExtension
->chan
[c
]);
6230 chan
->SmartCommand
= regs
->bFeaturesReg
;
6232 // Determine which of the commands to carry out.
6233 switch(regs
->bFeaturesReg
) {
6234 case READ_ATTRIBUTES
:
6235 case READ_THRESHOLDS
:
6236 case READ_LOG_SECTOR
:
6237 case WRITE_LOG_SECTOR
:
6239 if(Srb
->DataTransferLength
< sizeof(SRB_IO_CONTROL
)+sizeof(SENDCMDOUTPARAMS
) + READ_ATTRIBUTE_BUFFER_SIZE
- 1) {
6240 KdPrint2((PRINT_PREFIX
6241 "IdeSendSmartCommand: wrong buffer size\n"));
6242 return SRB_STATUS_DATA_OVERRUN
;
6245 statusByte
= WaitOnBusy(chan
);
6247 if (statusByte
& IDE_STATUS_BUSY
) {
6248 KdPrint2((PRINT_PREFIX
6249 "IdeSendSmartCommand: Returning BUSY status\n"));
6250 return SRB_STATUS_BUSY
;
6253 // Zero the ouput buffer as the input buffer info. has been saved off locally (the buffers are the same).
6254 RtlZeroMemory(cmdOutParameters
, sizeof(SENDCMDOUTPARAMS
) + READ_ATTRIBUTE_BUFFER_SIZE
- 1);
6256 // Set data buffer pointer and words left.
6257 AtaReq
->DataBuffer
= (PUSHORT
)cmdOutParameters
->bBuffer
;
6258 AtaReq
->WordsLeft
= READ_ATTRIBUTE_BUFFER_SIZE
/ 2;
6260 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, c
,
6262 (USHORT
)(regs
->bCylLowReg
) | (((USHORT
)(regs
->bCylHighReg
)) << 8),
6264 regs
->bSectorNumberReg
,
6265 regs
->bSectorCountReg
,
6269 if(!(statusByte
& IDE_STATUS_ERROR
)) {
6270 // Wait for interrupt.
6271 return SRB_STATUS_PENDING
;
6273 return SRB_STATUS_ERROR
;
6277 case RETURN_SMART_STATUS
:
6278 case ENABLE_DISABLE_AUTOSAVE
:
6279 case EXECUTE_OFFLINE_DIAGS
:
6280 case SAVE_ATTRIBUTE_VALUES
:
6283 statusByte
= WaitOnBusy(chan
);
6285 if (statusByte
& IDE_STATUS_BUSY
) {
6286 KdPrint2((PRINT_PREFIX
6287 "IdeSendSmartCommand: Returning BUSY status\n"));
6288 return SRB_STATUS_BUSY
;
6291 // Zero the ouput buffer as the input buffer info. has been saved off locally (the buffers are the same).
6292 RtlZeroMemory(cmdOutParameters
, sizeof(SENDCMDOUTPARAMS
) - 1);
6294 // Set data buffer pointer and indicate no data transfer.
6295 AtaReq
->DataBuffer
= (PUSHORT
)cmdOutParameters
->bBuffer
;
6296 AtaReq
->WordsLeft
= 0;
6298 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, c
,
6300 (USHORT
)(regs
->bCylLowReg
) | (((USHORT
)(regs
->bCylHighReg
)) << 8),
6302 regs
->bSectorNumberReg
,
6303 regs
->bSectorCountReg
,
6307 if(!(statusByte
& IDE_STATUS_ERROR
)) {
6308 // Wait for interrupt.
6309 UniataExpectChannelInterrupt(chan
, TRUE
); // device may interrupt
6310 return SRB_STATUS_PENDING
;
6312 return SRB_STATUS_ERROR
;
6313 } // end switch(regs->bFeaturesReg)
6315 return SRB_STATUS_INVALID_REQUEST
;
6317 } // end IdeSendSmartCommand()
6319 #endif //UNIATA_CORE
6323 UniAtaCalculateLBARegs(
6324 PHW_LU_EXTENSION LunExt
,
6325 ULONGLONG startingSector
,
6329 UCHAR drvSelect
,sectorNumber
;
6333 if(LunExt
->DeviceFlags
& DFLAGS_LBA_ENABLED
) {
6334 if(LunExt
->LimitedTransferMode
>= ATA_DMA
) {
6335 if(LunExt
->DeviceExtension
) {
6336 (*max_bcount
) = LunExt
->DeviceExtension
->MaximumDmaTransferLength
/ DEV_BSIZE
;
6339 return startingSector
;
6341 tmp
= LunExt
->IdentifyData
.SectorsPerTrack
*
6342 LunExt
->IdentifyData
.NumberOfHeads
;
6344 KdPrint2((PRINT_PREFIX
"UniAtaCalculateLBARegs: 0-sized\n"));
6348 (*max_bcount
) = LunExt
->IdentifyData
.SectorsPerTrack
;
6350 cylinder
= (USHORT
)(startingSector
/ tmp
);
6351 drvSelect
= (UCHAR
)((startingSector
% tmp
) / LunExt
->IdentifyData
.SectorsPerTrack
);
6352 sectorNumber
= (UCHAR
)(startingSector
% LunExt
->IdentifyData
.SectorsPerTrack
) + 1;
6353 (*max_bcount
) = LunExt
->IdentifyData
.SectorsPerTrack
- sectorNumber
+ 1;
6354 KdPrint2((PRINT_PREFIX
"UniAtaCalculateLBARegs: C:H:S=%#x:%#x:%#x, max_bc %#x\n",
6355 cylinder
, drvSelect
, sectorNumber
, (*max_bcount
)));
6359 return (ULONG
)(sectorNumber
&0xff) | (((ULONG
)cylinder
&0xffff)<<8) | (((ULONG
)drvSelect
&0xf)<<24);
6360 } // end UniAtaCalculateLBARegs()
6364 UniAtaCalculateLBARegsBack(
6365 PHW_LU_EXTENSION LunExt
,
6369 ULONG drvSelect
,sectorNumber
;
6373 if(LunExt
->DeviceFlags
& DFLAGS_LBA_ENABLED
) {
6376 tmp
= LunExt
->IdentifyData
.SectorsPerTrack
*
6377 LunExt
->IdentifyData
.NumberOfHeads
;
6379 cylinder
= (USHORT
)((lba
>> 8) & 0xffff);
6380 drvSelect
= (UCHAR
)((lba
>> 24) & 0xf);
6381 sectorNumber
= (UCHAR
)(lba
& 0xff);
6383 lba
= sectorNumber
-1 +
6384 (drvSelect
*LunExt
->IdentifyData
.SectorsPerTrack
) +
6388 } // end UniAtaCalculateLBARegsBack()
6393 Routine Description:
6395 This routine handles IDE read and writes.
6399 HwDeviceExtension - HBA miniport driver's adapter data storage
6400 Srb - IO request packet
6410 IN PVOID HwDeviceExtension
,
6411 IN PSCSI_REQUEST_BLOCK Srb
,
6415 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
6416 UCHAR lChannel
= GET_CHANNEL(Srb
);
6417 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
6418 PHW_LU_EXTENSION LunExt
;
6419 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
6420 //ULONG ldev = GET_LDEV(Srb);
6421 UCHAR DeviceNumber
= GET_CDEV(Srb
);;
6422 ULONGLONG startingSector
=0;
6424 ULONG wordCount
= 0;
6425 UCHAR statusByte
,statusByte2
;
6428 BOOLEAN use_dma
= FALSE
;
6431 AtaReq
->Flags
|= REQ_FLAG_REORDERABLE_CMD
;
6432 LunExt
= chan
->lun
[DeviceNumber
];
6434 if((CmdAction
& CMD_ACTION_PREPARE
) &&
6435 (AtaReq
->ReqState
!= REQ_STATE_READY_TO_TRANSFER
)) {
6437 if(LunExt
->opt_ReadOnly
&&
6438 (Srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
)) {
6439 if(LunExt
->opt_ReadOnly
== 1) {
6440 KdPrint2((PRINT_PREFIX
"Abort WRITE (Soft R/O)\n"));
6441 return SRB_STATUS_ERROR
;
6443 KdPrint2((PRINT_PREFIX
"Ignore WRITE (Soft R/O)\n"));
6444 return SRB_STATUS_SUCCESS
;
6448 // Set data buffer pointer and words left.
6449 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
6451 if(AtaReq
->WordsTransfered
) {
6452 AtaReq
->DataBuffer
= ((PUSHORT
)(Srb
->DataBuffer
)) + AtaReq
->WordsTransfered
;
6453 startingSector
= (UniAtaCalculateLBARegsBack(LunExt
, AtaReq
->lba
)) /* latest lba */ + AtaReq
->bcount
/* previous bcount */;
6454 AtaReq
->bcount
= (AtaReq
->TransferLength
- AtaReq
->WordsTransfered
*2 + DEV_BSIZE
-1) / DEV_BSIZE
;
6455 KdPrint2((PRINT_PREFIX
"IdeReadWrite (Chained REQ): Starting sector %I64x, OrigWordsRequested %#x, WordsTransfered %#x, DevSize %#x\n",
6457 AtaReq
->TransferLength
/2,
6458 AtaReq
->WordsTransfered
,
6461 AtaReq
->DataBuffer
= (PUSHORT
)(Srb
->DataBuffer
);
6462 AtaReq
->TransferLength
= Srb
->DataTransferLength
;
6463 // Set up 1st block.
6464 switch(Srb
->Cdb
[0]) {
6467 MOV_DD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB10
.LBA
);
6468 MOV_SWP_DW2DD(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB10
.TransferBlocks
);
6471 case SCSIOP_WRITE12
:
6472 MOV_DD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB12READWRITE
.LBA
);
6473 MOV_DD_SWP(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB12READWRITE
.NumOfBlocks
);
6476 case SCSIOP_WRITE16
:
6477 MOV_QD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.LBA
);
6478 MOV_DD_SWP(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.NumOfBlocks
);
6481 KdPrint2((PRINT_PREFIX
"IdeReadWrite (Orig REQ): Starting sector %I64x, OrigWordsRequested %#x, DevSize %#x\n",
6483 AtaReq
->TransferLength
/2,
6486 lba
= UniAtaCalculateLBARegs(LunExt
, startingSector
, &max_bcount
);
6489 AtaReq
->bcount
= min(AtaReq
->bcount
, max_bcount
);
6491 AtaReq
->WordsLeft
= min(AtaReq
->TransferLength
- AtaReq
->WordsTransfered
*2,
6492 AtaReq
->bcount
* DEV_BSIZE
) / 2;
6494 KdPrint2((PRINT_PREFIX
"IdeReadWrite (REQ): Starting sector is %I64x, Number of WORDS %#x, DevSize %#x\n",
6501 // assume best case here
6502 // we cannot reinit Dma until previous request is completed
6503 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
6504 UniataAhciSetupCmdPtr(AtaReq
);
6505 if(!AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
6506 (PUCHAR
)(AtaReq
->DataBuffer
),
6507 AtaReq
->bcount
* DEV_BSIZE
)) {
6508 KdPrint3((PRINT_PREFIX
"IdeReadWrite: AHCI !DMA\n"));
6509 return SRB_STATUS_ERROR
;
6512 if ((LunExt
->LimitedTransferMode
>= ATA_DMA
)) {
6514 // this will set REQ_FLAG_DMA_OPERATION in AtaReq->Flags on success
6515 if(!AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
6516 (PUCHAR
)(AtaReq
->DataBuffer
),
6517 AtaReq
->bcount
* DEV_BSIZE
)) {
6522 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
6523 KdPrint2((PRINT_PREFIX
"IdeReadWrite: setup AHCI FIS\n"));
6524 RtlZeroMemory(&(AtaReq
->ahci
.ahci_cmd_ptr
->cfis
), sizeof(AtaReq
->ahci_cmd0
.cfis
));
6526 fis_size
= UniataAhciSetupFIS_H2D(deviceExtension
, DeviceNumber
, lChannel
,
6527 &(AtaReq
->ahci
.ahci_cmd_ptr
->cfis
[0]),
6528 (AtaReq
->Flags
& REQ_FLAG_READ
) ? IDE_COMMAND_READ_DMA
: IDE_COMMAND_WRITE_DMA
,
6530 (USHORT
)(AtaReq
->bcount
),
6532 /*,(AtaReq->Flags & REQ_FLAG_READ) ? 0 : ATA_AHCI_CMD_WRITE*/
6536 KdPrint3((PRINT_PREFIX
"IdeReadWrite: AHCI !FIS\n"));
6537 return SRB_STATUS_ERROR
;
6540 AtaReq
->ahci
.io_cmd_flags
= UniAtaAhciAdjustIoFlags(0, (AtaReq
->Flags
& REQ_FLAG_READ
) ? 0 : ATA_AHCI_CMD_WRITE
, fis_size
, DeviceNumber
);
6541 KdPrint2((PRINT_PREFIX
"IdeReadWrite ahci io flags %x: \n", AtaReq
->ahci
.io_cmd_flags
));
6544 AtaReq
->ReqState
= REQ_STATE_READY_TO_TRANSFER
;
6546 } else { // exec_only
6547 KdPrint2((PRINT_PREFIX
"IdeReadWrite (ExecOnly): \n"));
6550 if(AtaReq
->Flags
& REQ_FLAG_DMA_OPERATION
) {
6554 if(!(CmdAction
& CMD_ACTION_EXEC
)) {
6556 return SRB_STATUS_PENDING
;
6559 // if this is queued request, reinit DMA and check
6560 // if DMA mode is still available
6561 AtapiDmaReinit(deviceExtension
, LunExt
, AtaReq
);
6562 if (/*EnableDma &&*/
6563 (LunExt
->TransferMode
>= ATA_DMA
)) {
6566 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
6570 // Check if write request.
6571 if (Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
6573 // Prepare read command.
6575 cmd
= IDE_COMMAND_READ_DMA
;
6577 if(LunExt
->MaximumBlockXfer
) {
6578 cmd
= IDE_COMMAND_READ_MULTIPLE
;
6580 cmd
= IDE_COMMAND_READ
;
6584 // Prepare write command.
6586 wordCount
= AtaReq
->bcount
*DEV_BSIZE
/2;
6587 cmd
= IDE_COMMAND_WRITE_DMA
;
6589 if (LunExt
->MaximumBlockXfer
) {
6590 wordCount
= DEV_BSIZE
/2 * LunExt
->MaximumBlockXfer
;
6592 if (AtaReq
->WordsLeft
< wordCount
) {
6593 // Transfer only words requested.
6594 wordCount
= AtaReq
->WordsLeft
;
6596 cmd
= IDE_COMMAND_WRITE_MULTIPLE
;
6599 wordCount
= DEV_BSIZE
/2;
6600 cmd
= IDE_COMMAND_WRITE
;
6605 KdPrint2((PRINT_PREFIX
"IdeReadWrite: Lba %#I64x, Count %#x(%#x)\n", lba
, ((Srb
->DataTransferLength
+ 0x1FF) / 0x200),
6606 ((wordCount
*2 + DEV_BSIZE
-1) / DEV_BSIZE
)));
6608 chan
->ChannelCtrlFlags
|= CTRFLAGS_DMA_OPERATION
;
6610 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
6613 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
6614 // AHCI doesn't distinguish DMA and PIO
6615 //AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb);
6616 UniataAhciBeginTransaction(HwDeviceExtension
, lChannel
, DeviceNumber
, Srb
);
6617 UniataExpectChannelInterrupt(chan
, TRUE
); // device may interrupt
6618 InterlockedExchange(&(chan
->CheckIntr
),
6620 return SRB_STATUS_PENDING
;
6623 if ((Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) ||
6625 statusByte2
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
6627 (USHORT
)(AtaReq
->bcount
),
6628 // (UCHAR)((wordCount*2 + DEV_BSIZE-1) / DEV_BSIZE),
6630 if(statusByte2
!= IDE_STATUS_WRONG
) {
6631 GetStatus(chan
, statusByte2
);
6633 if(statusByte2
& IDE_STATUS_ERROR
) {
6634 statusByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
6635 KdPrint2((PRINT_PREFIX
"IdeReadWrite: status %#x, error %#x\n", statusByte2
, statusByte
));
6636 return SRB_STATUS_ERROR
;
6639 AtapiDmaStart(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
);
6641 return SRB_STATUS_PENDING
;
6644 statusByte
= AtaCommand48(deviceExtension
, DeviceNumber
, lChannel
,
6646 (USHORT
)(AtaReq
->bcount
),
6647 // (UCHAR)((wordCount*2 + DEV_BSIZE-1) / DEV_BSIZE),
6650 if (!(statusByte
& IDE_STATUS_DRQ
) ||
6651 statusByte
== IDE_STATUS_WRONG
) {
6653 if(statusByte
== IDE_STATUS_WRONG
) {
6654 KdPrint2((PRINT_PREFIX
6655 "IdeReadWrite: error sending command (%#x)\n",
6658 KdPrint2((PRINT_PREFIX
6659 "IdeReadWrite: DRQ never asserted (%#x)\n",
6663 AtaReq
->WordsLeft
= 0;
6665 // Clear interrupt expecting flag.
6666 UniataExpectChannelInterrupt(chan
, FALSE
);
6667 InterlockedExchange(&(chan
->CheckIntr
),
6670 // Clear current SRB.
6671 UniataRemoveRequest(chan
, Srb
);
6673 return (statusByte
== IDE_STATUS_WRONG
) ? SRB_STATUS_ERROR
: SRB_STATUS_TIMEOUT
;
6676 UniataExpectChannelInterrupt(chan
, TRUE
);
6677 InterlockedExchange(&(chan
->CheckIntr
),
6680 // Write next DEV_BSIZE/2*N words.
6681 if (!(LunExt
->DeviceFlags
& DFLAGS_DWORDIO_ENABLED
)) {
6682 KdPrint2((PRINT_PREFIX
6683 "IdeReadWrite: Write %#x words\n", wordCount
));
6688 UniataGetPioTiming(LunExt
));
6692 KdPrint2((PRINT_PREFIX
6693 "IdeReadWrite: Write %#x Dwords\n", wordCount
/2));
6696 (PULONG
)(AtaReq
->DataBuffer
),
6698 UniataGetPioTiming(LunExt
));
6701 // Adjust buffer address and words left count.
6702 AtaReq
->WordsLeft
-= wordCount
;
6703 AtaReq
->DataBuffer
+= wordCount
;
6704 AtaReq
->WordsTransfered
+= wordCount
;
6706 // Wait for interrupt.
6707 return SRB_STATUS_PENDING
;
6709 } // end IdeReadWrite()
6715 Routine Description:
6716 This routine handles IDE Verify.
6719 HwDeviceExtension - HBA miniport driver's adapter data storage
6720 Srb - IO request packet
6729 IN PVOID HwDeviceExtension
,
6730 IN PSCSI_REQUEST_BLOCK Srb
6733 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
6734 UCHAR lChannel
= GET_CHANNEL(Srb
);
6735 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
6736 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
6737 PHW_LU_EXTENSION LunExt
;
6738 //ULONG ldev = GET_LDEV(Srb);
6739 ULONG DeviceNumber
= GET_CDEV(Srb
);
6741 ULONGLONG startingSector
=0;
6744 ULONGLONG endSector
;
6745 ULONG sectorCount
=0;
6748 LunExt
= chan
->lun
[DeviceNumber
];
6749 // Drive has these number sectors.
6750 if(!(sectors
= (ULONG
)(LunExt
->NumOfSectors
))) {
6751 sectors
= LunExt
->IdentifyData
.SectorsPerTrack
*
6752 LunExt
->IdentifyData
.NumberOfHeads
*
6753 LunExt
->IdentifyData
.NumberOfCylinders
;
6756 KdPrint2((PRINT_PREFIX
6757 "IdeVerify: Total sectors %#x\n",
6760 // Get starting sector number from CDB.
6761 switch(Srb
->Cdb
[0]) {
6763 MOV_DD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB10
.LBA
);
6764 MOV_SWP_DW2DD(sectorCount
, ((PCDB
)Srb
->Cdb
)->CDB10
.TransferBlocks
);
6766 case SCSIOP_VERIFY12
:
6767 MOV_DD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB12READWRITE
.LBA
);
6768 MOV_DD_SWP(sectorCount
, ((PCDB
)Srb
->Cdb
)->CDB12READWRITE
.NumOfBlocks
);
6770 case SCSIOP_VERIFY16
:
6771 MOV_QD_SWP(startingSector
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.LBA
);
6772 MOV_DD_SWP(sectorCount
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.NumOfBlocks
);
6776 KdPrint2((PRINT_PREFIX
6777 "IdeVerify: Starting sector %#I64x. Number of blocks %#x\n",
6781 endSector
= startingSector
+ sectorCount
;
6783 KdPrint2((PRINT_PREFIX
6784 "IdeVerify: Ending sector %#I64x\n",
6787 if (endSector
> sectors
) {
6789 // Too big, round down.
6790 KdPrint2((PRINT_PREFIX
6791 "IdeVerify: Truncating request to %#x blocks\n",
6792 sectors
- startingSector
- 1));
6794 sectorCount
= (ULONG
)(sectors
- startingSector
- 1);
6798 // Set up sector count register. Round up to next block.
6799 if (sectorCount
> 0xFF) {
6800 sectorCount
= (USHORT
)0xFF;
6804 // Set data buffer pointer and words left.
6805 AtaReq
->DataBuffer
= (PUSHORT
)Srb
->DataBuffer
;
6806 AtaReq
->WordsLeft
= Srb
->DataTransferLength
/ 2;
6808 // Indicate expecting an interrupt.
6809 InterlockedExchange(&(chan
->CheckIntr
),
6812 lba
= UniAtaCalculateLBARegs(LunExt
, startingSector
, &max_bcount
);
6814 statusByte
= AtaCommand48(deviceExtension
, LunExt
->Lun
, GET_CHANNEL(Srb
),
6815 IDE_COMMAND_VERIFY
, lba
,
6816 (USHORT
)sectorCount
,
6819 if(!(statusByte
& IDE_STATUS_ERROR
)) {
6820 // Wait for interrupt.
6821 return SRB_STATUS_PENDING
;
6823 return SRB_STATUS_ERROR
;
6825 } // end IdeVerify()
6827 #endif //UNIATA_CORE
6831 Routine Description:
6832 Send ATAPI packet command to device.
6835 HwDeviceExtension - HBA miniport driver's adapter data storage
6836 Srb - IO request packet
6844 IN PVOID HwDeviceExtension
,
6845 IN PSCSI_REQUEST_BLOCK Srb
,
6849 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
6850 UCHAR lChannel
= GET_CHANNEL(Srb
);
6851 PHW_CHANNEL chan
= &(deviceExtension
->chan
[lChannel
]);
6852 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
6853 PHW_LU_EXTENSION LunExt
;
6854 //ULONG ldev = GET_LDEV(Srb);
6855 ULONG DeviceNumber
= GET_CDEV(Srb
);
6857 UCHAR statusByte
,statusByte0
,byteCountLow
,byteCountHigh
;
6858 BOOLEAN use_dma
= FALSE
;
6859 BOOLEAN dma_reinited
= FALSE
;
6860 BOOLEAN retried
= FALSE
;
6864 LunExt
= chan
->lun
[DeviceNumber
];
6866 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: req state %#x, Action %x\n", AtaReq
->ReqState
, CmdAction
));
6867 if(AtaReq
->ReqState
< REQ_STATE_PREPARE_TO_TRANSFER
)
6868 AtaReq
->ReqState
= REQ_STATE_PREPARE_TO_TRANSFER
;
6871 #ifdef UNIATA_DUMP_ATAPI
6872 if(CmdAction
& CMD_ACTION_PREPARE
) {
6876 PCHAR ModeSelectData
;
6879 Cdb
= (PCDB
)(Srb
->Cdb
);
6880 ScsiCommand
= Cdb
->CDB6
.OperationCode
;
6881 CdbData
= (PCHAR
)(Srb
->DataBuffer
);
6882 CdbDataLen
= Srb
->DataTransferLength
;
6884 if(CdbDataLen
> 0x1000) {
6885 CdbDataLen
= 0x1000;
6889 KdPrint2(("VendorID+DeviceID/Rev %#x/%#x\n", deviceExtension
->DevID
, deviceExtension
->RevID
));
6890 KdPrint2(("P:T:D=%d:%d:%d\n",
6894 KdPrint(("SCSI Command %2.2x\n", ScsiCommand
));
6897 if(ScsiCommand
== SCSIOP_WRITE_CD
) {
6898 KdPrint(("Write10, LBA %2.2x%2.2x%2.2x%2.2x\n",
6899 Cdb
->WRITE_CD
.LBA
[0],
6900 Cdb
->WRITE_CD
.LBA
[1],
6901 Cdb
->WRITE_CD
.LBA
[2],
6902 Cdb
->WRITE_CD
.LBA
[3]
6905 if(ScsiCommand
== SCSIOP_WRITE12
) {
6906 KdPrint(("Write12, LBA %2.2x%2.2x%2.2x%2.2x\n",
6907 Cdb
->CDB12READWRITE
.LBA
[0],
6908 Cdb
->CDB12READWRITE
.LBA
[1],
6909 Cdb
->CDB12READWRITE
.LBA
[2],
6910 Cdb
->CDB12READWRITE
.LBA
[3]
6913 if(ScsiCommand
== SCSIOP_WRITE16
) {
6914 KdPrint(("Write16, LBA %2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n",
6915 Cdb
->CDB16READWRITE
.LBA
[0],
6916 Cdb
->CDB16READWRITE
.LBA
[1],
6917 Cdb
->CDB16READWRITE
.LBA
[2],
6918 Cdb
->CDB16READWRITE
.LBA
[3],
6919 Cdb
->CDB16READWRITE
.LBA
[4],
6920 Cdb
->CDB16READWRITE
.LBA
[5],
6921 Cdb
->CDB16READWRITE
.LBA
[6],
6922 Cdb
->CDB16READWRITE
.LBA
[7]
6925 if(ScsiCommand
== SCSIOP_MODE_SELECT
) {
6926 KdPrint(("ModeSelect 6\n"));
6927 PMODE_PARAMETER_HEADER ParamHdr
= (PMODE_PARAMETER_HEADER
)CdbData
;
6928 ModeSelectData
= CdbData
+4;
6929 KdDump(CdbData
, CdbDataLen
);
6931 if(ScsiCommand
== SCSIOP_MODE_SELECT10
) {
6932 KdPrint(("ModeSelect 10\n"));
6933 PMODE_PARAMETER_HEADER ParamHdr
= (PMODE_PARAMETER_HEADER
)CdbData
;
6934 ModeSelectData
= CdbData
+8;
6935 KdDump(CdbData
, CdbDataLen
);
6937 if(Srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
) {
6938 KdPrint(("Send buffer to device:\n"));
6939 KdDump(CdbData
, CdbDataLen
);
6944 #endif //UNIATA_DUMP_ATAPI
6947 if(CmdAction
== CMD_ACTION_PREPARE
) {
6948 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: CMD_ACTION_PREPARE, Cdb %x\n", &(Srb
->Cdb
)));
6950 switch (Srb
->Cdb
[0]) {
6951 case SCSIOP_RECEIVE
:
6956 case SCSIOP_WRITE12
:
6958 case SCSIOP_WRITE16
:
6961 case SCSIOP_READ_CD
:
6962 case SCSIOP_READ_CD_MSF
:
6963 if(deviceExtension
->opt_AtapiDmaRawRead
) {
6969 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: SRB_STATUS_BUSY\n"));
6970 return SRB_STATUS_BUSY
;
6973 if (!(LunExt
->DeviceFlags
& DFLAGS_CHANGER_INITED
) &&
6974 !AtaReq
->OriginalSrb
) {
6975 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: SRB_STATUS_BUSY (2)\n"));
6976 return SRB_STATUS_BUSY
;
6981 // We need to know how many platters our atapi cd-rom device might have.
6982 // Before anyone tries to send a srb to our target for the first time,
6983 // we must "secretly" send down a separate mechanism status srb in order to
6984 // initialize our device extension changer data. That's how we know how
6985 // many platters our target has.
6987 if (!(LunExt
->DeviceFlags
& DFLAGS_CHANGER_INITED
) &&
6988 !AtaReq
->OriginalSrb
) {
6992 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: BuildMechanismStatusSrb()\n"));
6993 // Set this flag now. If the device hangs on the mech. status
6994 // command, we will not have the chance to set it.
6995 LunExt
->DeviceFlags
|= DFLAGS_CHANGER_INITED
;
6997 chan
->MechStatusRetryCount
= 3;
6998 AtaReq
->OriginalSrb
= Srb
;
6999 AtaReq
->Srb
= BuildMechanismStatusSrb (
7003 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: AtapiSendCommand recursive\n"));
7004 srbStatus
= AtapiSendCommand(HwDeviceExtension
, AtaReq
->Srb
, CMD_ACTION_ALL
);
7005 if (srbStatus
== SRB_STATUS_PENDING
) {
7006 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: SRB_STATUS_PENDING (2)\n"));
7010 // failed! Get the sense key and maybe try again
7011 AtaReq
->Srb
= BuildRequestSenseSrb ( HwDeviceExtension
,
7012 AtaReq
->OriginalSrb
);
7014 srbStatus
= AtapiSendCommand(HwDeviceExtension
, AtaReq
->Srb
, CMD_ACTION_ALL
);
7016 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: chan->ExpectingInterrupt %d (1)\n", chan
->ExpectingInterrupt
));
7018 if (srbStatus
== SRB_STATUS_PENDING
) {
7019 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: send orig SRB_STATUS_PENDING (2.1)\n"));
7023 // failed again ? should not get here
7025 AtaReq
->Srb
= AtaReq
->OriginalSrb
;
7026 AtaReq
->OriginalSrb
= NULL
;
7028 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: AtapiHwInitializeChanger()\n"));
7029 // Do-nothing call ?
7030 AtapiHwInitializeChanger (HwDeviceExtension
, Srb
,
7031 (PMECHANICAL_STATUS_INFORMATION_HEADER
) NULL
);
7035 #endif //UNIATA_CORE
7037 if((CmdAction
& CMD_ACTION_PREPARE
) &&
7038 (AtaReq
->ReqState
!= REQ_STATE_READY_TO_TRANSFER
)) {
7040 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: prepare..., ATAPI CMD %x (Cdb %x)\n", Srb
->Cdb
[0], &(Srb
->Cdb
)));
7042 if(!LunExt
->IdentifyData
.AtapiCmdSize
&&
7043 (Srb
->CdbLength
> 12)) {
7044 KdPrint2((PRINT_PREFIX
"Cdb16 not supported\n"));
7045 return SRB_STATUS_INVALID_REQUEST
;
7048 // Set data buffer pointer and words left.
7049 AtaReq
->DataBuffer
= (PUSHORT
)Srb
->DataBuffer
;
7050 AtaReq
->WordsLeft
= Srb
->DataTransferLength
/ 2;
7051 AtaReq
->TransferLength
= Srb
->DataTransferLength
;
7052 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7053 // reset this to force PRD init. May be already setup by recursive SRB
7054 AtaReq
->dma_entries
= 0;
7056 // check if reorderable
7057 switch(Srb
->Cdb
[0]) {
7059 case SCSIOP_WRITE16
:
7061 MOV_DD_SWP(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.NumOfBlocks
);
7062 MOV_QD_SWP(AtaReq
->lba
, ((PCDB
)Srb
->Cdb
)->CDB16READWRITE
.LBA
);
7066 case SCSIOP_WRITE12
:
7068 MOV_DD_SWP(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB12READWRITE
.NumOfBlocks
);
7074 MOV_SWP_DW2DD(AtaReq
->bcount
, ((PCDB
)Srb
->Cdb
)->CDB10
.TransferBlocks
);
7076 MOV_DD_SWP(AtaReq
->lba
, ((PCDB
)Srb
->Cdb
)->CDB10
.LBA
);
7078 AtaReq
->Flags
|= REQ_FLAG_REORDERABLE_CMD
;
7079 AtaReq
->Flags
&= ~REQ_FLAG_RW_MASK
;
7080 AtaReq
->Flags
|= (Srb
->Cdb
[0] == SCSIOP_WRITE
||
7081 Srb
->Cdb
[0] == SCSIOP_WRITE12
||
7082 Srb
->Cdb
[0] == SCSIOP_WRITE16
) ?
7083 REQ_FLAG_WRITE
: REQ_FLAG_READ
;
7086 AtaReq
->Flags
&= ~REQ_FLAG_RW_MASK
;
7087 if(!AtaReq
->TransferLength
) {
7088 KdPrint((" assume 0-transfer\n"));
7090 if(Srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
) {
7091 KdPrint((" assume OUT\n"));
7092 AtaReq
->Flags
|= REQ_FLAG_WRITE
;
7094 if(Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
7095 KdPrint((" assume IN\n"));
7096 AtaReq
->Flags
|= REQ_FLAG_READ
;
7101 // check if DMA read/write
7102 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7103 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: force use dma (ahci)\n"));
7107 /* if((deviceExtension->HwFlags & UNIATA_SATA) && (LunExt->OrigTransferMode >= ATA_DMA)) {
7108 KdPrint2((PRINT_PREFIX "AtapiSendCommand: force use dma (sata)\n"));
7112 if(Srb
->Cdb
[0] == SCSIOP_REQUEST_SENSE
) {
7113 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: SCSIOP_REQUEST_SENSE, no DMA setup\n"));
7115 if(AtaReq
->TransferLength
) {
7117 switch(Srb
->Cdb
[0]) {
7119 case SCSIOP_WRITE12
:
7120 case SCSIOP_WRITE16
:
7122 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_RO
)
7125 case SCSIOP_RECEIVE
:
7130 if(deviceExtension
->opt_AtapiDmaReadWrite
) {
7132 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7133 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use dma (ahci)\n"));
7136 if(AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
7137 (PUCHAR
)(AtaReq
->DataBuffer
),
7138 Srb
->DataTransferLength
7139 /*((Srb->DataTransferLength + DEV_BSIZE-1) & ~(DEV_BSIZE-1))*/
7141 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use dma\n"));
7146 case SCSIOP_READ_CD
:
7147 case SCSIOP_READ_CD_MSF
:
7148 if(deviceExtension
->opt_AtapiDmaRawRead
)
7149 goto call_dma_setup
;
7153 if(deviceExtension
->opt_AtapiDmaControlCmd
) {
7154 if(Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
7159 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_RO
) {
7160 KdPrint2((PRINT_PREFIX
"dma RO\n"));
7172 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7173 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use dma (ahci)\n"));
7176 if(!AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
7177 (PUCHAR
)(AtaReq
->DataBuffer
),
7178 Srb
->DataTransferLength
)) {
7179 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: no dma\n"));
7182 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use dma\n"));
7186 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: zero transfer, no DMA setup\n"));
7190 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7192 UniataAhciSetupCmdPtr(AtaReq
);
7194 if(!Srb
->DataTransferLength
) {
7195 KdPrint2((PRINT_PREFIX
"zero-transfer\n"));
7198 if(!AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
7199 (PUCHAR
)(AtaReq
->DataBuffer
),
7200 Srb
->DataTransferLength
)) {
7201 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: no AHCI dma!\n"));
7202 return SRB_STATUS_ERROR
;
7205 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7207 FeatureReg
|= ATA_F_DMA
;
7208 if(LunExt
->IdentifyData
.AtapiDMA
.DMADirRequired
&&
7209 (Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
)) {
7210 FeatureReg
|= ATA_F_DMAREAD
;
7214 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: setup AHCI FIS\n"));
7215 // this is done in UniataAhciSetupFIS_H2D()
7216 //RtlZeroMemory(&(AtaReq->ahci.ahci_cmd_ptr->cfis), sizeof(AtaReq->ahci_cmd0.cfis));
7217 RtlCopyMemory(&(AtaReq
->ahci
.ahci_cmd_ptr
->acmd
), Srb
->Cdb
, Srb
->CdbLength
);
7219 fis_size
= UniataAhciSetupFIS_H2D(deviceExtension
, DeviceNumber
, lChannel
,
7220 &(AtaReq
->ahci
.ahci_cmd_ptr
->cfis
[0]),
7221 IDE_COMMAND_ATAPI_PACKET
/* command */,
7223 (Srb
->DataTransferLength
>= 0x10000) ? (USHORT
)(0xffff) : (USHORT
)(Srb
->DataTransferLength
),
7224 FeatureReg
/* feature */
7228 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: AHCI !FIS\n"));
7229 return SRB_STATUS_ERROR
;
7232 AtaReq
->ahci
.io_cmd_flags
= UniAtaAhciAdjustIoFlags(0,
7233 ((Srb
->DataTransferLength
&& (Srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
)) ? ATA_AHCI_CMD_WRITE
: 0) |
7234 (ATA_AHCI_CMD_ATAPI
| ATA_AHCI_CMD_PREFETCH
),
7235 fis_size
, DeviceNumber
);
7237 KdPrint2((PRINT_PREFIX
"AtapiSendCommand ahci io flags %x: \n", AtaReq
->ahci
.io_cmd_flags
));
7241 if(AtaReq
->Flags
& REQ_FLAG_DMA_OPERATION
) {
7242 // if this is queued request, reinit DMA and check
7243 // if DMA mode is still available
7244 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: AtapiDmaReinit() (1)\n"));
7245 AtapiDmaReinit(deviceExtension
, LunExt
, AtaReq
);
7246 if (/*EnableDma &&*/
7247 (LunExt
->TransferMode
>= ATA_DMA
)) {
7248 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use dma (2)\n"));
7251 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7252 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: no dma (2)\n"));
7255 dma_reinited
= TRUE
;
7259 if(!(CmdAction
& CMD_ACTION_EXEC
)) {
7260 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: !CMD_ACTION_EXEC => SRB_STATUS_PENDING\n"));
7261 return SRB_STATUS_PENDING
;
7263 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: use_dma=%d, Cmd %x\n", use_dma
, Srb
->Cdb
[0]));
7264 if(AtaReq
->Flags
& REQ_FLAG_DMA_OPERATION
) {
7265 KdPrint2((PRINT_PREFIX
" REQ_FLAG_DMA_OPERATION\n"));
7268 if((Srb
->Cdb
[0] == SCSIOP_REQUEST_SENSE
) && !(deviceExtension
->HwFlags
& UNIATA_SATA
)) {
7269 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: SCSIOP_REQUEST_SENSE -> no dma setup (2)\n"));
7271 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7272 AtapiDmaReinit(deviceExtension
, LunExt
, AtaReq
);
7273 } if(AtaReq
->TransferLength
) {
7275 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: AtapiDmaReinit()\n"));
7276 AtapiDmaReinit(deviceExtension
, LunExt
, AtaReq
);
7277 if (/*EnableDma &&*/
7278 (LunExt
->TransferMode
>= ATA_DMA
)) {
7281 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7286 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: zero transfer\n"));
7288 AtaReq
->Flags
&= ~REQ_FLAG_DMA_OPERATION
;
7289 if(!deviceExtension
->opt_AtapiDmaZeroTransfer
&& !(deviceExtension
->HwFlags
& UNIATA_SATA
)) {
7290 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: AtapiDmaReinit() to PIO\n"));
7291 AtapiDmaReinit(deviceExtension
, LunExt
, AtaReq
);
7294 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: use_dma=%d\n", use_dma
));
7295 if(AtaReq
->Flags
& REQ_FLAG_DMA_OPERATION
) {
7296 KdPrint2((PRINT_PREFIX
" REQ_FLAG_DMA_OPERATION\n"));
7299 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: CMD_ACTION_EXEC\n"));
7301 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Cdb %x Command %#x to TargetId %d lun %d\n",
7302 &(Srb
->Cdb
), Srb
->Cdb
[0], Srb
->TargetId
, Srb
->Lun
));
7304 // Make sure command is to ATAPI device.
7305 flags
= LunExt
->DeviceFlags
;
7306 if(flags
& (DFLAGS_SANYO_ATAPI_CHANGER
| DFLAGS_ATAPI_CHANGER
)) {
7307 if((Srb
->Lun
) > (LunExt
->DiscsPresent
- 1)) {
7309 // Indicate no device found at this address.
7310 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7311 return SRB_STATUS_SELECTION_TIMEOUT
;
7313 } else if(Srb
->Lun
> 0) {
7314 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7315 return SRB_STATUS_SELECTION_TIMEOUT
;
7318 if(!(flags
& DFLAGS_ATAPI_DEVICE
)) {
7319 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7320 return SRB_STATUS_SELECTION_TIMEOUT
;
7323 // Select device 0 or 1. Or more for PM
7324 SelectDrive(chan
, DeviceNumber
);
7326 // Verify that controller is ready for next command.
7327 GetStatus(chan
, statusByte
);
7328 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Entered with status %#x\n", statusByte
));
7330 if(statusByte
== IDE_STATUS_WRONG
) {
7331 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: bad status 0xff on entry\n"));
7334 if(statusByte
& IDE_STATUS_BUSY
) {
7335 if(statusByte
& IDE_STATUS_DSC
) {
7336 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: DSC on entry (%#x), try exec\n", statusByte
));
7338 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: Device busy (%#x) -> reset\n", statusByte
));
7339 // We have to make reset here, since we are expecting device to be available
7340 //return SRB_STATUS_BUSY; // this cause queue freeze
7344 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7346 // Check if command list is free
7347 CI
= UniataAhciReadChannelPort4(chan
, IDX_AHCI_P_CI
);
7349 // controller is busy, however we expect it to be free
7350 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: Controller busy (CI=%#x) -> reset\n", CI
));
7354 if(statusByte
& IDE_STATUS_ERROR
) {
7355 if (Srb
->Cdb
[0] != SCSIOP_REQUEST_SENSE
) {
7357 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Error on entry: (%#x)\n", statusByte
));
7358 // Read the error reg. to clear it and fail this request.
7359 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7360 return MapError(deviceExtension
, Srb
);
7362 KdPrint2((PRINT_PREFIX
" continue with SCSIOP_REQUEST_SENSE\n", statusByte
));
7365 // If a tape drive doesn't have DSC set and the last command is restrictive, don't send
7366 // the next command. See discussion of Restrictive Delayed Process commands in QIC-157.
7367 if((!(statusByte
& IDE_STATUS_DSC
)) &&
7368 (flags
& (DFLAGS_TAPE_DEVICE
| DFLAGS_ATAPI_DEVICE
)) && chan
->RDP
) {
7370 AtapiStallExecution(200);
7371 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: DSC not set. %#x => SRB_STATUS_PENDING\n",statusByte
));
7372 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
7373 return SRB_STATUS_PENDING
;
7376 if(IS_RDP(Srb
->Cdb
[0])) {
7378 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: %#x mapped as DSC restrictive\n", Srb
->Cdb
[0]));
7382 if(statusByte
& IDE_STATUS_DRQ
) {
7384 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Entered with status (%#x). Attempting to recover.\n",
7386 // Try to drain the data that one preliminary device thinks that it has
7387 // to transfer. Hopefully this random assertion of DRQ will not be present
7388 // in production devices.
7389 statusByte
= AtapiSuckPort2(chan
);
7391 for (i = 0; i < 0x10000; i++) {
7392 GetStatus(chan, statusByte);
7393 if(statusByte & IDE_STATUS_DRQ) {
7394 AtapiReadPort2(chan, IDX_IO1_i_Data);
7400 if (statusByte
& IDE_STATUS_DRQ
) {
7402 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: DRQ still asserted.Status (%#x)\n", statusByte
));
7404 AtapiDisableInterrupts(deviceExtension
, lChannel
);
7406 AtapiSoftReset(chan
, DeviceNumber
);
7408 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: Issued soft reset to Atapi device. \n"));
7409 // Re-initialize Atapi device.
7410 CheckDevice(HwDeviceExtension
, GET_CHANNEL(Srb
), DeviceNumber
, TRUE
);
7412 IssueIdentify(HwDeviceExtension, DeviceNumber, GET_CHANNEL(Srb),
7413 IDE_COMMAND_ATAPI_IDENTIFY, FALSE);
7415 // Inform the port driver that the bus has been reset.
7416 ScsiPortNotification(ResetDetected
, HwDeviceExtension
, 0);
7417 // Clean up device extension fields that AtapiStartIo won't.
7418 UniataExpectChannelInterrupt(chan
, FALSE
);
7420 InterlockedExchange(&(deviceExtension
->chan
[GET_CHANNEL(Srb
)].CheckIntr
),
7423 AtapiEnableInterrupts(deviceExtension
, lChannel
);
7425 AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE;
7426 return SRB_STATUS_BUS_RESET;
7429 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: retry after reset.\n"));
7433 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: selection timeout.\n"));
7434 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7435 return SRB_STATUS_SELECTION_TIMEOUT
;
7439 if(flags
& (DFLAGS_SANYO_ATAPI_CHANGER
| DFLAGS_ATAPI_CHANGER
)) {
7440 // As the cdrom driver sets the LUN field in the cdb, it must be removed.
7441 Srb
->Cdb
[1] &= ~0xE0;
7442 if((Srb
->Cdb
[0] == SCSIOP_TEST_UNIT_READY
) && (flags
& DFLAGS_SANYO_ATAPI_CHANGER
)) {
7443 // Torisan changer. TUR's are overloaded to be platter switches.
7444 Srb
->Cdb
[7] = Srb
->Lun
;
7451 chan
->ChannelCtrlFlags
|= CTRFLAGS_DMA_OPERATION
;
7453 chan
->ChannelCtrlFlags
&= ~CTRFLAGS_DMA_OPERATION
;
7456 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
7457 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: AHCI, begin transaction\n"));
7458 //AtaReq->Flags = ~REQ_FLAG_DMA_OPERATION; // keep proped DMA flag for proper RETRY handling
7459 UniataExpectChannelInterrupt(chan
, TRUE
);
7460 UniataAhciBeginTransaction(HwDeviceExtension
, lChannel
, DeviceNumber
, Srb
);
7461 return SRB_STATUS_PENDING
;
7464 statusByte
= WaitOnBusy(chan
);
7465 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Entry Status (%#x)\n",
7469 FeatureReg
|= ATA_F_DMA
;
7470 if(LunExt
->IdentifyData
.AtapiDMA
.DMADirRequired
&&
7471 (Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
)) {
7472 FeatureReg
|= ATA_F_DMAREAD
;
7476 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, FeatureReg
);
7478 // Write transfer byte count to registers.
7479 byteCountLow
= (UCHAR
)(Srb
->DataTransferLength
& 0xFF);
7480 byteCountHigh
= (UCHAR
)(Srb
->DataTransferLength
>> 8);
7482 if (Srb
->DataTransferLength
>= 0x10000) {
7483 byteCountLow
= byteCountHigh
= 0xFF;
7486 AtapiWritePort1(chan
, IDX_ATAPI_IO1_o_ByteCountLow
, byteCountLow
);
7487 AtapiWritePort1(chan
, IDX_ATAPI_IO1_o_ByteCountHigh
, byteCountHigh
);
7489 if (flags
& DFLAGS_INT_DRQ
) {
7491 // This device interrupts when ready to receive the packet.
7493 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Wait for int. to send packet. Status (%#x)\n",
7496 UniataExpectChannelInterrupt(chan
, TRUE
);
7497 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_CMD_INTR
;
7498 InterlockedExchange(&(chan
->CheckIntr
),
7501 // Write ATAPI packet command.
7502 AtapiWritePort1(chan
, IDX_IO1_o_Command
, IDE_COMMAND_ATAPI_PACKET
);
7504 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: return SRB_STATUS_PENDING (DRQ)\n"));
7505 return SRB_STATUS_PENDING
;
7509 // This device quickly sets DRQ when ready to receive the packet.
7511 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: Poll for int. to send packet. Status (%#x)\n",
7514 UniataExpectChannelInterrupt(chan
, TRUE
);
7515 AtaReq
->ReqState
= REQ_STATE_ATAPI_DO_NOTHING_INTR
;
7516 InterlockedExchange(&(chan
->CheckIntr
),
7519 if(g_opt_AtapiSendDisableIntr
) {
7520 AtapiDisableInterrupts(deviceExtension
, lChannel
);
7522 // remember status. Later we may check if error appeared after cmd packet
7523 statusByte0
= statusByte
;
7525 // Write ATAPI packet command.
7526 AtapiWritePort1(chan
, IDX_IO1_o_Command
, IDE_COMMAND_ATAPI_PACKET
);
7530 statusByte
= WaitForDrq(chan
);
7532 // Need to read status register and clear interrupt (if any)
7533 GetBaseStatus(chan
, statusByte
);
7535 if (!(statusByte
& IDE_STATUS_DRQ
)) {
7537 if(g_opt_AtapiSendDisableIntr
) {
7538 AtapiEnableInterrupts(deviceExtension
, lChannel
);
7540 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: DRQ never asserted (%#x)\n", statusByte
));
7541 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7542 return SRB_STATUS_ERROR
;
7545 GetStatus(chan
, statusByte
);
7546 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: status (%#x)\n", statusByte
));
7548 // Send CDB to device.
7549 statusByte
= WaitOnBaseBusy(chan
);
7551 // Indicate expecting an interrupt and wait for it.
7552 UniataExpectChannelInterrupt(chan
, TRUE
);
7553 InterlockedExchange(&(chan
->CheckIntr
),
7555 AtaReq
->ReqState
= REQ_STATE_ATAPI_EXPECTING_DATA_INTR
;
7557 GetBaseStatus(chan
, statusByte
);
7559 if(g_opt_AtapiSendDisableIntr
) {
7560 AtapiEnableInterrupts(deviceExtension
, lChannel
);
7565 LunExt
->IdentifyData
.AtapiCmdSize
? 8 : 6,
7568 GetStatus(chan
, statusByte
);
7569 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: cmd status (%#x)\n", statusByte
));
7571 // When we operate in DMA mode, we should not start transfer when there is an error on entry
7572 // Interrupt may never come in such case.
7573 if(statusByte
& IDE_STATUS_ERROR
) {
7574 UCHAR interruptReason
;
7576 GetBaseStatus(chan
, statusByte
);
7577 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: Error on cmd: (%#x)\n", statusByte
));
7579 interruptReason
= (AtapiReadPort1(chan
, IDX_ATAPI_IO1_i_InterruptReason
) & ATAPI_IR_Mask
);
7580 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: iReason %x\n", interruptReason
));
7582 // TODO: we should check interruptReason and decide what to do now
7584 // Read the error reg. to clear it and fail this request.
7585 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
7586 return MapError(deviceExtension
, Srb
);
7588 /* if(statusByte & IDE_STATUS_DSC) {
7589 KdPrint3((PRINT_PREFIX "AtapiSendCommand: DSC on cmd: (%#x)\n", statusByte));
7590 // Read the error reg. to clear it and fail this request.
7591 statusByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
7592 KdPrint3((PRINT_PREFIX "AtapiSendCommand: Err on cmd: (%#x)\n", statusByte));
7593 if(statusByte >> 4) {
7594 GetBaseStatus(chan, statusByte);
7595 AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE;
7596 return MapError(deviceExtension, Srb);
7600 if(chan
->ChannelCtrlFlags
& CTRFLAGS_DMA_OPERATION
) {
7601 AtapiDmaStart(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
);
7604 KdPrint3((PRINT_PREFIX
"AtapiSendCommand: ExpectingInterrupt (%#x)\n", chan
->ExpectingInterrupt
));
7606 KdPrint2((PRINT_PREFIX
"AtapiSendCommand: return SRB_STATUS_PENDING (3)\n"));
7607 return SRB_STATUS_PENDING
;
7609 } // end AtapiSendCommand()
7616 Routine Description:
7617 Program ATA registers for IDE disk transfer.
7620 HwDeviceExtension - ATAPI driver storage.
7621 Srb - System request block.
7624 SRB status (pending if all goes well).
7629 ULONG check_point
= 0;
7630 #define SetCheckPoint(cp) { check_point = (cp) ; }
7632 #define SetCheckPoint(cp)
7638 IN PVOID HwDeviceExtension
,
7639 IN PSCSI_REQUEST_BLOCK Srb
,
7644 KdPrint2((PRINT_PREFIX
"** Ide: Command: entryway\n"));
7647 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
7652 PHW_LU_EXTENSION LunExt
;
7656 UCHAR statusByte
,errorByte
;
7657 ULONG status
= SRB_STATUS_INVALID_REQUEST
;
7660 PMODE_PARAMETER_HEADER modeData
;
7667 //ULONG __ebp__ = 0;
7669 SetCheckPoint(0x20);
7670 KdPrint2((PRINT_PREFIX
"** Ide: Command:\n\n"));
7675 /*KdPrint2((PRINT_PREFIX "** Ide: Command EBP %#x, pCdb %#x, cmd %#x\n",
7676 __ebp__, &(Srb->Cdb[0]), Srb->Cdb[0]));
7677 KdPrint2((PRINT_PREFIX "** Ide: Command %s\n",
7678 (CmdAction == CMD_ACTION_PREPARE) ? "Prep " : ""));
7679 KdPrint2((PRINT_PREFIX "** Ide: Command Srb %#x\n",
7681 KdPrint2((PRINT_PREFIX "** Ide: Command SrbExt %#x\n",
7682 Srb->SrbExtension));
7683 KdPrint2((PRINT_PREFIX "** Ide: Command to device %d\n",
7686 SetCheckPoint(0x30);
7687 AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
7689 KdPrint2((PRINT_PREFIX
"** Ide: Command &AtaReq %#x\n",
7691 KdPrint2((PRINT_PREFIX
"** Ide: Command AtaReq %#x\n",
7693 KdPrint2((PRINT_PREFIX
"** --- **\n"));
7695 lChannel
= GET_CHANNEL(Srb
);
7696 chan
= &(deviceExtension
->chan
[lChannel
]);
7697 //ldev = GET_LDEV(Srb);
7698 DeviceNumber
= GET_CDEV(Srb
);
7699 LunExt
= chan
->lun
[DeviceNumber
];
7701 SetCheckPoint(0x40);
7702 if(AtaReq
->ReqState
< REQ_STATE_PREPARE_TO_TRANSFER
)
7703 AtaReq
->ReqState
= REQ_STATE_PREPARE_TO_TRANSFER
;
7705 cdb
= (PCDB
)(Srb
->Cdb
);
7707 if(CmdAction
== CMD_ACTION_PREPARE
) {
7708 switch (Srb
->Cdb
[0]) {
7709 case SCSIOP_SERVICE_ACTION16
:
7710 if( cdb
->SERVICE_ACTION16
.ServiceAction
==SCSIOP_SA_READ_CAPACITY16
) {
7713 goto default_no_prep
;
7716 case SCSIOP_INQUIRY
: // now it requires device access
7718 case SCSIOP_READ_CAPACITY
:
7722 case SCSIOP_WRITE12
:
7724 case SCSIOP_WRITE16
:
7725 case SCSIOP_REQUEST_SENSE
:
7727 KdPrint2((PRINT_PREFIX
"** Ide: Command continue prep\n"));
7733 KdPrint2((PRINT_PREFIX
"** Ide: Command break prep\n"));
7734 return SRB_STATUS_BUSY
;
7738 SetCheckPoint(0x100 | Srb
->Cdb
[0]);
7739 switch (Srb
->Cdb
[0]) {
7740 case SCSIOP_INQUIRY
:
7742 KdPrint2((PRINT_PREFIX
7743 "IdeSendCommand: SCSIOP_INQUIRY PATH:LUN:TID = %#x:%#x:%#x\n",
7744 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
7745 // Filter out wrong TIDs.
7746 if ((Srb
->Lun
!= 0) ||
7747 (Srb
->PathId
>= deviceExtension
->NumberChannels
) ||
7748 (Srb
->TargetId
>= deviceExtension
->NumberLuns
)) {
7750 KdPrint2((PRINT_PREFIX
7751 "IdeSendCommand: SCSIOP_INQUIRY rejected\n"));
7752 // Indicate no device found at this address.
7753 status
= SRB_STATUS_SELECTION_TIMEOUT
;
7758 KdPrint2((PRINT_PREFIX
7759 "IdeSendCommand: SCSIOP_INQUIRY ok\n"));
7760 PINQUIRYDATA inquiryData
= (PINQUIRYDATA
)(Srb
->DataBuffer
);
7761 PIDENTIFY_DATA2 identifyData
= &(LunExt
->IdentifyData
);
7763 if (!(chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
7765 if(!CheckDevice(HwDeviceExtension
, lChannel
, DeviceNumber
, FALSE
)) {
7766 KdPrint2((PRINT_PREFIX
7767 "IdeSendCommand: SCSIOP_INQUIRY rejected (2)\n"));
7768 // Indicate no device found at this address.
7770 status
= SRB_STATUS_SELECTION_TIMEOUT
;
7774 if(!UniataAnybodyHome(HwDeviceExtension
, lChannel
, DeviceNumber
)) {
7775 KdPrint2((PRINT_PREFIX
7776 "IdeSendCommand: SCSIOP_INQUIRY device have gone\n"));
7777 // Indicate no device found at this address.
7778 UniataForgetDevice(chan
->lun
[DeviceNumber
]);
7780 status
= SRB_STATUS_SELECTION_TIMEOUT
;
7785 // Zero INQUIRY data structure.
7786 RtlZeroMemory((PCHAR
)(Srb
->DataBuffer
), Srb
->DataTransferLength
);
7788 // Standard IDE interface only supports disks.
7789 inquiryData
->DeviceType
= DIRECT_ACCESS_DEVICE
;
7791 // Set the removable bit, if applicable.
7792 if (LunExt
->DeviceFlags
& DFLAGS_REMOVABLE_DRIVE
) {
7793 KdPrint2((PRINT_PREFIX
7794 "RemovableMedia\n"));
7795 inquiryData
->RemovableMedia
= 1;
7797 // Set the Relative Addressing (LBA) bit, if applicable.
7798 if (LunExt
->DeviceFlags
& DFLAGS_LBA_ENABLED
) {
7799 inquiryData
->RelativeAddressing
= 1;
7800 KdPrint2((PRINT_PREFIX
7801 "RelativeAddressing\n"));
7803 // Set the CommandQueue bit
7804 inquiryData
->CommandQueue
= 1;
7806 // Fill in vendor identification fields.
7807 for (i
= 0; i
< 24; i
+= 2) {
7808 MOV_DW_SWP(inquiryData
->DeviceIdentificationString
[i
], ((PUCHAR
)identifyData
->ModelNumber
)[i
]);
7811 // Initialize unused portion of product id.
7812 for (i = 0; i < 4; i++) {
7813 inquiryData->ProductId[12+i] = ' ';
7816 // Move firmware revision from IDENTIFY data to
7817 // product revision in INQUIRY data.
7818 for (i
= 0; i
< 4; i
+= 2) {
7819 MOV_DW_SWP(inquiryData
->ProductRevisionLevel
[i
], ((PUCHAR
)identifyData
->FirmwareRevision
)[i
]);
7822 status
= SRB_STATUS_SUCCESS
;
7827 case SCSIOP_REPORT_LUNS
: {
7830 PREPORT_LUNS_INFO_HDR LunInfo
;
7832 KdPrint2((PRINT_PREFIX
7833 "IdeSendCommand: SCSIOP_REPORT_LUNS PATH:LUN:TID = %#x:%#x:%#x\n",
7834 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
7836 MOV_DD_SWP(alen
, cdb
->REPORT_LUNS
.AllocationLength
);
7843 LunInfo
= (PREPORT_LUNS_INFO_HDR
)(Srb
->DataBuffer
);
7844 RtlZeroMemory(LunInfo
, 16);
7846 MOV_DD_SWP( LunInfo
->ListLength
, alen
);
7847 Srb
->DataTransferLength
= 16;
7848 status
= SRB_STATUS_SUCCESS
;
7852 case SCSIOP_MODE_SENSE
:
7854 KdPrint2((PRINT_PREFIX
7855 "IdeSendCommand: SCSIOP_MODE_SENSE PATH:LUN:TID = %#x:%#x:%#x\n",
7856 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
7858 if(cdb
->MODE_SENSE
.PageCode
== MODE_PAGE_POWER_CONDITION
) {
7859 PMODE_POWER_CONDITION_PAGE modeData
;
7861 KdPrint2((PRINT_PREFIX
"MODE_PAGE_POWER_CONDITION\n"));
7862 modeData
= (PMODE_POWER_CONDITION_PAGE
)(Srb
->DataBuffer
);
7863 if(cdb
->MODE_SENSE
.AllocationLength
< sizeof(MODE_POWER_CONDITION_PAGE
)) {
7864 status
= SRB_STATUS_DATA_OVERRUN
;
7866 RtlZeroMemory(modeData
, sizeof(MODE_POWER_CONDITION_PAGE
));
7867 modeData
->PageCode
= MODE_PAGE_POWER_CONDITION
;
7868 modeData
->PageLength
= sizeof(MODE_POWER_CONDITION_PAGE
)-sizeof(MODE_PARAMETER_HEADER
);
7869 modeData
->Byte3
.Fields
.Idle
= LunExt
->PowerState
<= StartStop_Power_Idle
;
7870 modeData
->Byte3
.Fields
.Standby
= LunExt
->PowerState
== StartStop_Power_Standby
;
7871 Srb
->DataTransferLength
= sizeof(MODE_POWER_CONDITION_PAGE
);
7872 status
= SRB_STATUS_SUCCESS
;
7875 if(cdb
->MODE_SENSE
.PageCode
== MODE_PAGE_CACHING
) {
7876 PMODE_CACHING_PAGE modeData
;
7878 KdPrint2((PRINT_PREFIX
"MODE_PAGE_CACHING\n"));
7879 modeData
= (PMODE_CACHING_PAGE
)(Srb
->DataBuffer
);
7880 if(cdb
->MODE_SENSE
.AllocationLength
< sizeof(MODE_CACHING_PAGE
)) {
7881 status
= SRB_STATUS_DATA_OVERRUN
;
7883 RtlZeroMemory(modeData
, sizeof(MODE_CACHING_PAGE
));
7884 modeData
->PageCode
= MODE_PAGE_CACHING
;
7885 modeData
->PageLength
= sizeof(MODE_CACHING_PAGE
)-sizeof(MODE_PARAMETER_HEADER
);
7886 modeData
->ReadDisableCache
= (LunExt
->DeviceFlags
& DFLAGS_RCACHE_ENABLED
) ? 0 : 1;
7887 modeData
->WriteCacheEnable
= (LunExt
->DeviceFlags
& DFLAGS_WCACHE_ENABLED
) ? 1 : 0;
7888 Srb
->DataTransferLength
= sizeof(MODE_CACHING_PAGE
);
7889 status
= SRB_STATUS_SUCCESS
;
7892 if (LunExt
->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
) {
7894 // This is used to determine if the media is write-protected.
7895 // Since IDE does not support mode sense then we will modify just the portion we need
7896 // so the higher level driver can determine if media is protected.
7898 //SelectDrive(chan, DeviceNumber);
7899 //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_GET_MEDIA_STATUS);
7900 //statusByte = WaitOnBusy(chan);
7901 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_GET_MEDIA_STATUS
, 0, 0, 0, 0, 0, ATA_WAIT_READY
);
7903 if (!(statusByte
& IDE_STATUS_ERROR
)) {
7905 // no error occured return success, media is not protected
7906 UniataExpectChannelInterrupt(chan
, FALSE
);
7907 InterlockedExchange(&(chan
->CheckIntr
),
7909 status
= SRB_STATUS_SUCCESS
;
7913 // error occured, handle it locally, clear interrupt
7914 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
7916 GetBaseStatus(chan
, statusByte
);
7917 UniataExpectChannelInterrupt(chan
, FALSE
);
7918 InterlockedExchange(&(chan
->CheckIntr
),
7920 status
= SRB_STATUS_SUCCESS
;
7922 if (errorByte
& IDE_ERROR_DATA_ERROR
) {
7924 //media is write-protected, set bit in mode sense buffer
7925 modeData
= (PMODE_PARAMETER_HEADER
)Srb
->DataBuffer
;
7927 Srb
->DataTransferLength
= sizeof(MODE_PARAMETER_HEADER
);
7928 modeData
->DeviceSpecificParameter
|= MODE_DSP_WRITE_PROTECT
;
7931 status
= SRB_STATUS_SUCCESS
;
7933 status
= SRB_STATUS_INVALID_REQUEST
;
7937 case SCSIOP_TEST_UNIT_READY
:
7939 KdPrint2((PRINT_PREFIX
7940 "IdeSendCommand: SCSIOP_TEST_UNIT_READY PATH:LUN:TID = %#x:%#x:%#x\n",
7941 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
7942 if (chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
) {
7944 // Select device 0 or 1.
7945 //SelectDrive(chan, DeviceNumber);
7946 //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_GET_MEDIA_STATUS);
7947 // Wait for busy. If media has not changed, return success
7948 //statusByte = WaitOnBusy(chan);
7949 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_GET_MEDIA_STATUS
, 0, 0, 0, 0, 0, ATA_WAIT_READY
);
7951 if (!(statusByte
& IDE_STATUS_ERROR
)){
7952 UniataExpectChannelInterrupt(chan
, FALSE
);
7953 InterlockedExchange(&(chan
->CheckIntr
),
7955 status
= SRB_STATUS_SUCCESS
;
7957 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
7958 if (errorByte
== IDE_ERROR_DATA_ERROR
){
7960 // Special case: If current media is write-protected,
7961 // the 0xDA command will always fail since the write-protect bit
7962 // is sticky,so we can ignore this error
7963 GetBaseStatus(chan
, statusByte
);
7964 UniataExpectChannelInterrupt(chan
, FALSE
);
7965 InterlockedExchange(&(chan
->CheckIntr
),
7967 status
= SRB_STATUS_SUCCESS
;
7971 // Request sense buffer to be build
7972 UniataExpectChannelInterrupt(chan
, TRUE
);
7973 InterlockedExchange(&(chan
->CheckIntr
),
7975 status
= SRB_STATUS_PENDING
;
7979 status
= SRB_STATUS_SUCCESS
;
7984 case SCSIOP_READ_CAPACITY
:
7986 KdPrint2((PRINT_PREFIX
7987 "** IdeSendCommand: SCSIOP_READ_CAPACITY PATH:LUN:TID = %#x:%#x:%#x\n",
7988 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
7989 // Claim 512 byte blocks (big-endian).
7990 //((PREAD_CAPACITY_DATA)Srb->DataBuffer)->BytesPerBlock = 0x20000;
7992 RtlZeroMemory(Srb
->DataBuffer
, sizeof(READ_CAPACITY_DATA
));
7993 MOV_DD_SWP( ((PREAD_CAPACITY_DATA
)Srb
->DataBuffer
)->BytesPerBlock
, i
);
7995 // Calculate last sector.
7996 if(!(i
= (ULONG
)LunExt
->NumOfSectors
)) {
7997 i
= LunExt
->IdentifyData
.SectorsPerTrack
*
7998 LunExt
->IdentifyData
.NumberOfHeads
*
7999 LunExt
->IdentifyData
.NumberOfCylinders
;
8003 //((PREAD_CAPACITY_DATA)Srb->DataBuffer)->LogicalBlockAddress =
8004 // (((PUCHAR)&i)[0] << 24) | (((PUCHAR)&i)[1] << 16) |
8005 // (((PUCHAR)&i)[2] << 8) | ((PUCHAR)&i)[3];
8007 MOV_DD_SWP( ((PREAD_CAPACITY_DATA
)Srb
->DataBuffer
)->LogicalBlockAddress
, i
);
8009 KdPrint2((PRINT_PREFIX
8010 "** IDE disk %#x - #sectors %#x, #heads %#x, #cylinders %#x\n",
8012 LunExt
->IdentifyData
.SectorsPerTrack
,
8013 LunExt
->IdentifyData
.NumberOfHeads
,
8014 LunExt
->IdentifyData
.NumberOfCylinders
));
8017 status
= SRB_STATUS_SUCCESS
;
8020 case SCSIOP_SERVICE_ACTION16
:
8022 if( cdb
->SERVICE_ACTION16
.ServiceAction
==SCSIOP_SA_READ_CAPACITY16
) {
8023 KdPrint2((PRINT_PREFIX
8024 "** IdeSendCommand: SCSIOP_READ_CAPACITY PATH:LUN:TID = %#x:%#x:%#x\n",
8025 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8026 // Claim 512 byte blocks (big-endian).
8027 //((PREAD_CAPACITY_DATA)Srb->DataBuffer)->BytesPerBlock = 0x20000;
8029 RtlZeroMemory(Srb
->DataBuffer
, sizeof(READ_CAPACITY16_DATA
));
8030 MOV_DD_SWP( ((PREAD_CAPACITY16_DATA
)Srb
->DataBuffer
)->BytesPerBlock
, i
);
8032 // Calculate last sector.
8033 if(!(lba
= LunExt
->NumOfSectors
)) {
8034 lba
= LunExt
->IdentifyData
.SectorsPerTrack
*
8035 LunExt
->IdentifyData
.NumberOfHeads
*
8036 LunExt
->IdentifyData
.NumberOfCylinders
;
8039 MOV_QD_SWP( ((PREAD_CAPACITY16_DATA
)Srb
->DataBuffer
)->LogicalBlockAddress
, lba
);
8041 KdPrint2((PRINT_PREFIX
8042 "** IDE disk %#x - #sectors %#x, #heads %#x, #cylinders %#x (16)\n",
8044 LunExt
->IdentifyData
.SectorsPerTrack
,
8045 LunExt
->IdentifyData
.NumberOfHeads
,
8046 LunExt
->IdentifyData
.NumberOfCylinders
));
8048 status
= SRB_STATUS_SUCCESS
;
8055 case SCSIOP_VERIFY12
:
8056 case SCSIOP_VERIFY16
:
8058 KdPrint2((PRINT_PREFIX
8059 "IdeSendCommand: SCSIOP_VERIFY PATH:LUN:TID = %#x:%#x:%#x\n",
8060 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8061 status
= IdeVerify(HwDeviceExtension
,Srb
);
8068 case SCSIOP_WRITE12
:
8070 case SCSIOP_WRITE16
:
8072 KdPrint2((PRINT_PREFIX
8073 "IdeSendCommand: SCSIOP_%s PATH:LUN:TID = %#x:%#x:%#x\n",
8074 (Srb
->Cdb
[0] == SCSIOP_WRITE
) ? "WRITE" : "READ",
8075 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8076 AtaReq
->Flags
&= ~REQ_FLAG_RW_MASK
;
8077 AtaReq
->Flags
|= (Srb
->Cdb
[0] == SCSIOP_WRITE
||
8078 Srb
->Cdb
[0] == SCSIOP_WRITE12
||
8079 Srb
->Cdb
[0] == SCSIOP_WRITE16
) ? REQ_FLAG_WRITE
: REQ_FLAG_READ
;
8080 status
= IdeReadWrite(HwDeviceExtension
,
8084 case SCSIOP_START_STOP_UNIT
:
8086 KdPrint2((PRINT_PREFIX
8087 "IdeSendCommand: SCSIOP_START_STOP_UNIT immed %d PATH:LUN:TID = %#x:%#x:%#x\n",
8088 cdb
->START_STOP
.Immediate
, Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8089 //Determine what type of operation we should perform
8093 if(cdb
->START_STOP
.FL
||
8094 cdb
->START_STOP
.FormatLayerNumber
||
8095 cdb
->START_STOP
.Reserved2
||
8096 cdb
->START_STOP
.Reserved2_2
||
8097 cdb
->START_STOP
.Reserved3
||
8102 if (cdb
->START_STOP
.PowerConditions
) {
8103 KdPrint2((PRINT_PREFIX
"START_STOP Power %d\n", cdb
->START_STOP
.PowerConditions
));
8104 switch(cdb
->START_STOP
.PowerConditions
) {
8105 case StartStop_Power_Idle
:
8106 command
= IDE_COMMAND_IDLE_IMMED
;
8108 case StartStop_Power_Standby
:
8109 command
= IDE_COMMAND_STANDBY_IMMED
;
8111 case StartStop_Power_Sleep
:
8112 // TODO: we should save power state in order to know
8113 // that RESET sould be issued to revert device into
8116 command
= IDE_COMMAND_SLEEP
;
8121 LunExt
->PowerState
= cdb
->START_STOP
.PowerConditions
;
8123 if (cdb
->START_STOP
.LoadEject
== 1) {
8124 KdPrint2((PRINT_PREFIX
"START_STOP eject\n"));
8126 // first select device 0 or 1.
8127 //SelectDrive(chan, DeviceNumber);
8128 //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_MEDIA_EJECT);
8129 command
= IDE_COMMAND_MEDIA_EJECT
;
8131 if (cdb
->START_STOP
.Start
== 0) {
8132 KdPrint2((PRINT_PREFIX
"START_STOP standby\n"));
8133 command
= IDE_COMMAND_STANDBY_IMMED
;
8135 // TODO: we may need to perform hard reset (after sleep) or
8136 // issue IDE_COMMAND_IDLE_IMMED in order to activate device
8137 KdPrint2((PRINT_PREFIX
"START_STOP activate\n"));
8139 if(LunExt
->PowerState
== StartStop_Power_Sleep
) {
8140 UniataUserDeviceReset(deviceExtension
, LunExt
, lChannel
);
8141 status
= SRB_STATUS_SUCCESS
;
8144 if(LunExt
->PowerState
> StartStop_Power_Idle
) {
8145 KdPrint2((PRINT_PREFIX
" issue IDLE\n"));
8146 command
= IDE_COMMAND_IDLE_IMMED
;
8148 KdPrint2((PRINT_PREFIX
" do nothing\n"));
8149 status
= SRB_STATUS_SUCCESS
;
8154 statusByte
= WaitOnBaseBusy(chan
);
8155 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, command
, 0, 0, 0, 0, 0,
8156 cdb
->START_STOP
.Immediate
? ATA_IMMEDIATE
: ATA_WAIT_READY
);
8157 status
= (statusByte
& IDE_STATUS_ERROR
) ? SRB_STATUS_ERROR
: SRB_STATUS_SUCCESS
;
8158 //UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt
8162 KdPrint2((PRINT_PREFIX
"START_STOP invalid\n"));
8163 if (Srb
->SenseInfoBuffer
) {
8165 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
8167 senseBuffer
->ErrorCode
= 0x70;
8168 senseBuffer
->Valid
= 1;
8169 senseBuffer
->AdditionalSenseLength
= 0xb;
8170 senseBuffer
->SenseKey
= SCSI_SENSE_ILLEGAL_REQUEST
;
8171 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_INVALID_CDB
;
8172 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8174 Srb
->SrbStatus
= SRB_STATUS_AUTOSENSE_VALID
;
8175 Srb
->ScsiStatus
= SCSISTAT_CHECK_CONDITION
;
8177 status
= SRB_STATUS_ERROR
;
8181 case SCSIOP_MEDIUM_REMOVAL
:
8183 cdb
= (PCDB
)Srb
->Cdb
;
8185 if(LunExt
->IdentifyData
.Removable
) {
8186 statusByte
= WaitOnBaseBusy(chan
);
8188 //SelectDrive(chan, DeviceNumber);
8189 if (cdb
->MEDIA_REMOVAL
.Prevent
== TRUE
) {
8190 //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_DOOR_LOCK);
8191 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_DOOR_LOCK
, 0, 0, 0, 0, 0, ATA_IMMEDIATE
);
8193 //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_DOOR_UNLOCK);
8194 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
, IDE_COMMAND_DOOR_UNLOCK
, 0, 0, 0, 0, 0, ATA_IMMEDIATE
);
8196 status
= SRB_STATUS_SUCCESS
;
8198 status
= SRB_STATUS_INVALID_REQUEST
;
8203 // Note: I don't implement this, because NTFS driver too often issues this command
8204 // It causes awful performance degrade. However, if somebody wants, I will implement
8205 // SCSIOP_FLUSH_BUFFER/SCSIOP_SYNCHRONIZE_CACHE optionally.
8206 case SCSIOP_FLUSH_BUFFER
:
8207 case SCSIOP_SYNCHRONIZE_CACHE
:
8209 SelectDrive(chan
, DeviceNumber
);
8210 AtapiWritePort1(chan
, IDX_IO1_o_Command
,IDE_COMMAND_FLUSH_CACHE
);
8211 status
= SRB_STATUS_SUCCESS
;
8212 // status = SRB_STATUS_PENDING;
8213 statusByte
= WaitOnBusy(chan
);
8217 case SCSIOP_REQUEST_SENSE
:
8218 // this function makes sense buffers to report the results
8219 // of the original GET_MEDIA_STATUS command
8221 KdPrint2((PRINT_PREFIX
8222 "IdeSendCommand: SCSIOP_REQUEST_SENSE PATH:LUN:TID = %#x:%#x:%#x\n",
8223 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8224 if (LunExt
->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
) {
8225 status
= IdeBuildSenseBuffer(HwDeviceExtension
,Srb
);
8228 status
= SRB_STATUS_INVALID_REQUEST
;
8232 case SCSIOP_ATA_PASSTHROUGH
:
8235 BOOLEAN use_dma
= FALSE
;
8238 regs
= (PIDEREGS_EX
) &(Srb
->Cdb
[2]);
8240 if(chan
->DeviceExtension
->HwFlags
& UNIATA_SATA
) {
8241 //lChannel = Srb->TargetId >> 1;
8243 DeviceNumber
= max(DeviceNumber
, 1);
8244 regs
->bDriveHeadReg
&= 0x0f;
8245 regs
->bDriveHeadReg
|= (UCHAR
) (((DeviceNumber
& 0x1) << 4) | 0xA0);
8248 if((regs
->bOpFlags
& 1) == 0) { // execute ATA command
8250 KdPrint2((PRINT_PREFIX
8251 "IdeSendCommand: SCSIOP_ATA_PASSTHROUGH (exec) PATH:LUN:TID = %#x:%#x:%#x\n",
8252 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8254 if((regs
->bOpFlags
& UNIATA_SPTI_EX_SPEC_TO
) == UNIATA_SPTI_EX_SPEC_TO
) {
8255 to_lim
= Srb
->TimeOutValue
;
8257 if(Srb
->TimeOutValue
<= 2) {
8258 to_lim
= Srb
->TimeOutValue
*900;
8260 to_lim
= (Srb
->TimeOutValue
*999) - 500;
8264 AtapiDisableInterrupts(deviceExtension
, lChannel
);
8266 if(chan
->DeviceExtension
->HwFlags
& UNIATA_AHCI
) {
8268 statusByte
= UniataAhciSendPIOCommandDirect(
8277 if(statusByte
== IDE_STATUS_WRONG
) {
8278 goto passthrough_err
;
8280 if(statusByte
& (IDE_STATUS_BUSY
| IDE_STATUS_ERROR
)) {
8281 UniataAhciAbortOperation(chan
);
8282 goto passthrough_err
;
8284 goto passthrough_done
;
8288 if((AtaCommandFlags
[regs
->bCommandReg
] & ATA_CMD_FLAG_DMA
) || (regs
->bOpFlags
& UNIATA_SPTI_EX_USE_DMA
)) {
8289 if((chan
->lun
[DeviceNumber
]->LimitedTransferMode
>= ATA_DMA
)) {
8291 // this will set REQ_FLAG_DMA_OPERATION in AtaReq->Flags on success
8292 if(!AtapiDmaSetup(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
,
8293 (PUCHAR
)(Srb
->DataBuffer
),
8294 ((Srb
->DataTransferLength
+ DEV_BSIZE
-1) & ~(DEV_BSIZE
-1)))) {
8300 AtapiWritePort1(chan
, IDX_IO1_o_DriveSelect
, regs
->bDriveHeadReg
);
8301 AtapiStallExecution(10);
8303 if((regs
->bOpFlags
& ATA_FLAGS_48BIT_COMMAND
) == 0) { // execute ATA command
8304 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, regs
->bFeaturesReg
);
8305 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, regs
->bSectorCountReg
);
8306 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, regs
->bSectorNumberReg
);
8307 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, regs
->bCylLowReg
);
8308 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, regs
->bCylHighReg
);
8310 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, regs
->bFeaturesRegH
);
8311 AtapiWritePort1(chan
, IDX_IO1_o_Feature
, regs
->bFeaturesReg
);
8312 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, regs
->bSectorCountRegH
);
8313 AtapiWritePort1(chan
, IDX_IO1_o_BlockCount
, regs
->bSectorCountReg
);
8314 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, regs
->bSectorNumberRegH
);
8315 AtapiWritePort1(chan
, IDX_IO1_o_BlockNumber
, regs
->bSectorNumberReg
);
8316 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, regs
->bCylLowRegH
);
8317 AtapiWritePort1(chan
, IDX_IO1_o_CylinderLow
, regs
->bCylLowReg
);
8318 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, regs
->bCylHighRegH
);
8319 AtapiWritePort1(chan
, IDX_IO1_o_CylinderHigh
, regs
->bCylHighReg
);
8321 AtapiWritePort1(chan
, IDX_IO1_o_Command
, regs
->bCommandReg
);
8324 GetBaseStatus(chan
, statusByte
);
8325 if(statusByte
& IDE_STATUS_ERROR
) {
8326 goto passthrough_err
;
8328 AtapiDmaStart(HwDeviceExtension
, DeviceNumber
, lChannel
, Srb
);
8331 ScsiPortStallExecution(1); // wait for busy to be set
8333 for(i
=0; i
<to_lim
;i
+=2) { // 2 msec from WaitOnBaseBusy()
8334 statusByte
= WaitOnBaseBusy(chan
); // wait for busy to be clear, up to 2 msec
8335 GetBaseStatus(chan
, statusByte
);
8336 if(statusByte
& IDE_STATUS_ERROR
) {
8339 if(!(statusByte
& IDE_STATUS_BUSY
)) {
8344 //if(regs->bOpFlags & UNIATA_SPTI_EX_FREEZE_TO) {
8346 AtapiResetController__(HwDeviceExtension
, lChannel
, RESET_COMPLETE_NONE
);
8347 goto passthrough_err
;
8351 AtapiCheckInterrupt__(deviceExtension
, (UCHAR
)lChannel
);
8353 AtapiDmaDone(deviceExtension
, DeviceNumber
, lChannel
, NULL
);
8354 GetBaseStatus(chan
, statusByte
);
8356 if(statusByte
& (IDE_STATUS_BUSY
| IDE_STATUS_ERROR
)) {
8357 AtapiSuckPort2(chan
);
8359 if (Srb
->SenseInfoBuffer
) {
8361 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->SenseInfoBuffer
;
8363 senseBuffer
->ErrorCode
= 0x70;
8364 senseBuffer
->Valid
= 1;
8365 senseBuffer
->AdditionalSenseLength
= 0xb;
8366 senseBuffer
->SenseKey
= SCSI_SENSE_ABORTED_COMMAND
;
8367 senseBuffer
->AdditionalSenseCode
= 0;
8368 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8370 Srb
->SrbStatus
= SRB_STATUS_AUTOSENSE_VALID
;
8371 Srb
->ScsiStatus
= SCSISTAT_CHECK_CONDITION
;
8373 status
= SRB_STATUS_ERROR
;
8377 if (statusByte
& IDE_STATUS_DRQ
) {
8378 if (Srb
->SrbFlags
& SRB_FLAGS_DATA_IN
) {
8380 (PUSHORT
) Srb
->DataBuffer
,
8381 Srb
->DataTransferLength
/ 2,
8383 } else if (Srb
->SrbFlags
& SRB_FLAGS_DATA_OUT
) {
8385 (PUSHORT
) Srb
->DataBuffer
,
8386 Srb
->DataTransferLength
/ 2,
8391 status
= SRB_STATUS_SUCCESS
;
8394 AtapiEnableInterrupts(deviceExtension
, lChannel
);
8396 } else { // read task register
8399 regs
= (PIDEREGS_EX
) Srb
->DataBuffer
;
8401 KdPrint2((PRINT_PREFIX
8402 "IdeSendCommand: SCSIOP_ATA_PASSTHROUGH (snap) PATH:LUN:TID = %#x:%#x:%#x\n",
8403 Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8405 if((Srb
->DataTransferLength
>= sizeof(IDEREGS_EX
)) &&
8406 (regs
->bOpFlags
& ATA_FLAGS_48BIT_COMMAND
)) {
8409 if(Srb
->DataTransferLength
>= sizeof(IDEREGS
)) {
8412 KdPrint2((PRINT_PREFIX
" buffer too small \n"));
8413 status
= SRB_STATUS_DATA_OVERRUN
;
8416 RtlZeroMemory(regs
, use48
? sizeof(IDEREGS_EX
) : sizeof(IDEREGS
));
8417 regs
->bOpFlags
= use48
? ATA_FLAGS_48BIT_COMMAND
: 0;
8418 UniataSnapAtaRegs(chan
, 0, regs
);
8420 status
= SRB_STATUS_SUCCESS
;
8427 KdPrint2((PRINT_PREFIX
8428 "IdeSendCommand: Unsupported command %#x\n",
8431 status
= SRB_STATUS_INVALID_REQUEST
;
8435 if(status
== SRB_STATUS_PENDING
) {
8436 KdPrint2((PRINT_PREFIX
"IdeSendCommand: SRB_STATUS_PENDING\n"));
8437 if(CmdAction
& CMD_ACTION_EXEC
) {
8438 KdPrint2((PRINT_PREFIX
"IdeSendCommand: REQ_STATE_EXPECTING_INTR\n"));
8439 AtaReq
->ReqState
= REQ_STATE_EXPECTING_INTR
;
8442 KdPrint2((PRINT_PREFIX
"IdeSendCommand: REQ_STATE_TRANSFER_COMPLETE\n"));
8443 AtaReq
->ReqState
= REQ_STATE_TRANSFER_COMPLETE
;
8448 } // end IdeSendCommand()
8453 Routine Description:
8454 Enables disables media status notification
8457 HwDeviceExtension - ATAPI driver storage.
8464 IN PVOID HwDeviceExtension
,
8466 IN ULONG DeviceNumber
8469 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
8471 UCHAR statusByte
,errorByte
;
8473 chan
= &(deviceExtension
->chan
[lChannel
]);
8474 SelectDrive(chan
, DeviceNumber
);
8476 if (EnableMSN
== TRUE
){
8478 // If supported enable Media Status Notification support
8479 if ((chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_REMOVABLE_DRIVE
)) {
8482 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
,
8483 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
8484 0, ATA_C_F_ENAB_MEDIASTAT
, ATA_WAIT_BASE_READY
);
8486 if (statusByte
& IDE_STATUS_ERROR
) {
8487 // Read the error register.
8488 errorByte
= AtapiReadPort1(chan
, IDX_IO1_i_Error
);
8490 KdPrint2((PRINT_PREFIX
8491 "IdeMediaStatus: Error enabling media status. Status %#x, error byte %#x\n",
8495 chan
->lun
[DeviceNumber
]->DeviceFlags
|= DFLAGS_MEDIA_STATUS_ENABLED
;
8496 KdPrint2((PRINT_PREFIX
"IdeMediaStatus: Media Status Notification Supported\n"));
8497 chan
->ReturningMediaStatus
= 0;
8502 } else { // end if EnableMSN == TRUE
8504 // disable if previously enabled
8505 if ((chan
->lun
[DeviceNumber
]->DeviceFlags
& DFLAGS_MEDIA_STATUS_ENABLED
)) {
8507 statusByte
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
,
8508 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
8509 0, ATA_C_F_DIS_MEDIASTAT
, ATA_WAIT_BASE_READY
);
8510 chan
->lun
[DeviceNumber
]->DeviceFlags
&= ~DFLAGS_MEDIA_STATUS_ENABLED
;
8517 } // end IdeMediaStatus()
8522 Routine Description:
8524 Builts an artificial sense buffer to report the results of a GET_MEDIA_STATUS
8525 command. This function is invoked to satisfy the SCSIOP_REQUEST_SENSE.
8528 HwDeviceExtension - ATAPI driver storage.
8529 Srb - System request block.
8533 SRB status (ALWAYS SUCCESS).
8538 IdeBuildSenseBuffer(
8539 IN PVOID HwDeviceExtension
,
8540 IN PSCSI_REQUEST_BLOCK Srb
8543 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
8545 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)Srb
->DataBuffer
;
8546 UCHAR ReturningMediaStatus
= deviceExtension
->chan
[GET_CHANNEL(Srb
)].ReturningMediaStatus
;
8550 if(ReturningMediaStatus
& IDE_ERROR_MEDIA_CHANGE
) {
8552 senseBuffer
->ErrorCode
= 0x70;
8553 senseBuffer
->Valid
= 1;
8554 senseBuffer
->AdditionalSenseLength
= 0xb;
8555 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
8556 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_MEDIUM_CHANGED
;
8557 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8558 } else if(ReturningMediaStatus
& IDE_ERROR_MEDIA_CHANGE_REQ
) {
8560 senseBuffer
->ErrorCode
= 0x70;
8561 senseBuffer
->Valid
= 1;
8562 senseBuffer
->AdditionalSenseLength
= 0xb;
8563 senseBuffer
->SenseKey
= SCSI_SENSE_UNIT_ATTENTION
;
8564 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_MEDIUM_CHANGED
;
8565 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8566 } else if(ReturningMediaStatus
& IDE_ERROR_END_OF_MEDIA
) {
8568 senseBuffer
->ErrorCode
= 0x70;
8569 senseBuffer
->Valid
= 1;
8570 senseBuffer
->AdditionalSenseLength
= 0xb;
8571 senseBuffer
->SenseKey
= SCSI_SENSE_NOT_READY
;
8572 senseBuffer
->AdditionalSenseCode
= SCSI_ADSENSE_NO_MEDIA_IN_DEVICE
;
8573 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8574 } else if(ReturningMediaStatus
& IDE_ERROR_DATA_ERROR
) {
8576 senseBuffer
->ErrorCode
= 0x70;
8577 senseBuffer
->Valid
= 1;
8578 senseBuffer
->AdditionalSenseLength
= 0xb;
8579 senseBuffer
->SenseKey
= SCSI_SENSE_DATA_PROTECT
;
8580 senseBuffer
->AdditionalSenseCode
= 0;
8581 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
8583 return SRB_STATUS_SUCCESS
;
8585 return SRB_STATUS_ERROR
;
8587 }// End of IdeBuildSenseBuffer
8591 UniataUserDeviceReset(
8592 PHW_DEVICE_EXTENSION deviceExtension
,
8593 PHW_LU_EXTENSION LunExt
,
8598 AtapiDisableInterrupts(deviceExtension
, lChannel
);
8599 if ((LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) &&
8600 (LunExt
->PowerState
!= StartStop_Power_Sleep
)) {
8601 KdPrint2((PRINT_PREFIX
"UniataUserDeviceReset: Reset ATAPI\n"));
8602 AtapiSoftReset(&(deviceExtension
->chan
[lChannel
]), LunExt
->Lun
);
8604 KdPrint2((PRINT_PREFIX
"UniataUserDeviceReset: Reset IDE -> reset entire channel\n"));
8605 AtapiResetController__(deviceExtension
, lChannel
, RESET_COMPLETE_NONE
);
8606 for(i
=0; i
<deviceExtension
->NumberLuns
; i
++) {
8607 deviceExtension
->chan
[lChannel
].lun
[i
]->DeviceFlags
|= DFLAGS_REINIT_DMA
;
8610 LunExt
->DeviceFlags
|= DFLAGS_REINIT_DMA
; // force PIO/DMA reinit
8611 AtapiEnableInterrupts(deviceExtension
, lChannel
);
8613 } // end UniataUserDeviceReset()
8618 PHW_DEVICE_EXTENSION deviceExtension
,
8623 BOOLEAN PostReq
= FALSE
;
8625 KdPrint3((PRINT_PREFIX
"UniataNeedQueueing: TopLevel, qd=%x\n", chan
->queue_depth
));
8626 if(chan
->queue_depth
> 0) {
8629 ((Srb
->Cdb
[0] == SCSIOP_TEST_UNIT_READY
)/* ||
8630 (Srb->Cdb[0] == SCSIOP_REQUEST_SENSE)*/) ) {
8631 KdPrint2((PRINT_PREFIX
"spec: SCSIOP_TEST_UNIT_READY\n"));
8633 status
= SRB_STATUS_BUSY
;
8642 if(deviceExtension
->simplexOnly
&& deviceExtension
->queue_depth
> 0) {
8646 KdPrint3((PRINT_PREFIX
"UniataNeedQueueing: qd=%x\n", chan
->queue_depth
));
8649 } // end UniataNeedQueueing()
8653 Routine Description:
8655 This routine is called from the SCSI port driver synchronized
8656 with the kernel to start an IO request.
8661 HwDeviceExtension - HBA miniport driver's adapter data storage
8662 Srb - IO request packet
8672 IN PVOID HwDeviceExtension
,
8673 IN PSCSI_REQUEST_BLOCK Srb
8676 return AtapiStartIo__(HwDeviceExtension
, Srb
, TRUE
);
8677 } // end AtapiStartIo()
8682 IN PVOID HwDeviceExtension
,
8683 IN PSCSI_REQUEST_BLOCK Srb
,
8687 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
8690 PHW_LU_EXTENSION LunExt
;
8698 PSCSI_REQUEST_BLOCK tmpSrb
;
8699 BOOLEAN PostReq
= FALSE
;
8701 BOOLEAN commPort
= FALSE
;
8703 // deviceExtension->Isr2DevObj must always be NULL for non-PCI
8704 if(deviceExtension
->Isr2DevObj
&& !BMList
[deviceExtension
->DevIndex
].Isr2Enable
) {
8705 KdPrint2((PRINT_PREFIX
"Isr2Enable -> 1\n"));
8706 BMList
[deviceExtension
->DevIndex
].Isr2Enable
= TRUE
;
8708 // deviceExtension->QueueNewIrql = max(deviceExtension->QueueNewIrql, KeGetCurrentIrql());
8710 /* KeBugCheckEx(0xc000000e,
8711 (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun),
8713 TopLevel, 0x80000001);
8715 if(TopLevel
&& Srb
&& Srb
->SrbExtension
) {
8716 KdPrint2((PRINT_PREFIX
"TopLevel\n"));
8717 //RtlZeroMemory(Srb->SrbExtension, sizeof(ATA_REQ));
8718 UniAtaClearAtaReq(Srb
->SrbExtension
);
8721 do { // fetch all queued commands for the channel (if valid)
8723 lChannel
= GET_CHANNEL(Srb
);
8724 //ldev = GET_LDEV(Srb);
8727 DeviceNumber
= GET_CDEV(Srb
);
8730 //ASSERT(deviceExtension);
8733 KdPrint2((PRINT_PREFIX
8734 "** AtapiStartIo: Function %#x, PATH:LUN:TID = %#x:%#x:%#x\n",
8735 Srb
->Function
, Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
));
8736 KdPrint2((PRINT_PREFIX
" VendorID+DeviceID/Rev %#x/%#x\n", deviceExtension
->DevID
, deviceExtension
->RevID
));
8738 if(lChannel
== deviceExtension
->NumberChannels
&&
8739 !Srb
->Lun
&& !Srb
->TargetId
&&
8740 ((Srb
->Function
== SRB_FUNCTION_IO_CONTROL
) ||
8741 (Srb
->Function
== SRB_FUNCTION_EXECUTE_SCSI
&& Srb
->Cdb
[0] == SCSIOP_INQUIRY
))
8743 // This is our virtual device
8744 KdPrint2((PRINT_PREFIX
8745 "AtapiStartIo: Communication port\n"));
8746 if(Srb
->Function
== SRB_FUNCTION_EXECUTE_SCSI
) {
8748 if(Srb
->DataTransferLength
< sizeof(PINQUIRYDATA
)) {
8749 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Buffer too small: %#x < %#x\n", Srb
->DataTransferLength
,
8750 sizeof(PINQUIRYDATA
) ));
8752 status
= SRB_STATUS_DATA_OVERRUN
;
8756 PINQUIRYDATA inquiryData
= (PINQUIRYDATA
)(Srb
->DataBuffer
);
8758 KdPrint2((PRINT_PREFIX
8760 // Zero INQUIRY data structure.
8761 RtlZeroMemory((PCHAR
)(Srb
->DataBuffer
), Srb
->DataTransferLength
);
8763 inquiryData
->DeviceType
= COMMUNICATION_DEVICE
;
8765 // Fill in vendor identification fields.
8766 RtlCopyMemory(&inquiryData
->VendorId
, &uniata_comm_name
, 28);
8768 status
= SRB_STATUS_SUCCESS
;
8772 /* Pass IOCTL request down */
8774 if(lChannel
>= deviceExtension
->NumberChannels
||
8775 Srb
->TargetId
/*DeviceNumber*/ >= deviceExtension
->NumberLuns
||
8778 if(lChannel
>= deviceExtension
->NumberChannels
) {
8783 //if(!CheckDevice(HwDeviceExtension, lChannel, DeviceNumber, FALSE)) {
8784 KdPrint3((PRINT_PREFIX
8785 "AtapiStartIo: SRB rejected\n"));
8786 // Indicate no device found at this address.
8787 KdPrint2((PRINT_PREFIX
"SRB_STATUS_SELECTION_TIMEOUT\n"));
8788 status
= SRB_STATUS_SELECTION_TIMEOUT
;
8792 if((deviceExtension
->HwFlags
& UNIATA_AHCI
) &&
8793 !UniataAhciChanImplemented(deviceExtension
, lChannel
)) {
8798 chan
= &(deviceExtension
->chan
[lChannel
]);
8799 LunExt
= chan
->lun
[DeviceNumber
];
8803 atapiDev
= (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) ? TRUE
: FALSE
;
8809 if(!commPort
&& !LunExt
) {
8811 PrintNtConsole("de = %#x, chan = %#x , dev %#x, nchan %#x\n",
8814 deviceExtension
->NumberChannels
);
8815 PrintNtConsole("lchan = %#x, cdev %#x, lun0 %#x\n",
8816 lChannel
, GET_CDEV(Srb
), deviceExtension
->chan
[0].lun
[0]);
8817 PrintNtConsole("Function %#x, PATH:LUN:TID = %#x:%#x:%#x\n",
8818 Srb
->Function
, Srb
->PathId
, Srb
->Lun
, Srb
->TargetId
);
8822 for(i=0; i<1000; i++) {
8823 AtapiStallExecution(3*1000);
8830 // Determine which function.
8831 switch (Srb
->Function
) {
8833 case SRB_FUNCTION_EXECUTE_SCSI
:
8835 if(!LunExt
|| !(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
8836 if(Srb
->Cdb
[0] == SCSIOP_ATA_PASSTHROUGH
) {
8837 // let passthrough go
8839 if(Srb
->Cdb
[0] == SCSIOP_INQUIRY
) {
8843 //if(!CheckDevice(HwDeviceExtension, lChannel, DeviceNumber, FALSE)) {
8844 KdPrint2((PRINT_PREFIX
8845 "AtapiStartIo: EXECUTE_SCSI rejected (2)\n"));
8846 // Indicate no device found at this address.
8847 KdPrint2((PRINT_PREFIX
"SRB_STATUS_SELECTION_TIMEOUT\n"));
8848 status
= SRB_STATUS_SELECTION_TIMEOUT
;
8853 KdPrint2((PRINT_PREFIX
8854 " SRB %#x, CDB %#x, AtaReq %#x, SCmd %#x\n", Srb
, &(Srb
->Cdb
), Srb
->SrbExtension
, Srb
->Cdb
[0]));
8858 if(Srb->DataTransferLength) {
8860 a = ((PUCHAR)(Srb->DataBuffer))[0];
8863 } __except(EXCEPTION_EXECUTE_HANDLER) {
8864 KdPrint3((PRINT_PREFIX
8865 "AtapiStartIo: Bad data buffer -> EXECUTE_SCSI rejected\n"));
8866 // Indicate no device found at this address.
8867 KdPrint3((PRINT_PREFIX "SRB_STATUS_ERROR\n"));
8868 status = SRB_STATUS_ERROR;
8869 KdPrint2((PRINT_PREFIX " *** Exception...\n"));
8874 PostReq
= UniataNeedQueueing(deviceExtension
, chan
, TopLevel
);
8878 KdPrint3((PRINT_PREFIX
"Non-empty queue\n"));
8880 (Srb
->Cdb
[0] != SCSIOP_ATA_PASSTHROUGH
)) {
8881 KdPrint3((PRINT_PREFIX
"Try ATAPI prepare\n"));
8883 status
= AtapiSendCommand(HwDeviceExtension
, Srb
, CMD_ACTION_PREPARE
);
8885 KdPrint2((PRINT_PREFIX
"Try IDE prepare\n"));
8886 status
= IdeSendCommand(HwDeviceExtension
, Srb
, CMD_ACTION_PREPARE
);
8888 /*KeBugCheckEx(0xc000000e,
8889 (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun),
8891 status, 0x80000001);*/
8892 if(status
== SRB_STATUS_BUSY
)
8893 status
= SRB_STATUS_PENDING
;
8894 // Insert requests AFTER they have been initialized on
8895 // CMD_ACTION_PREPARE stage
8896 // we should not check TopLevel here (it is always TRUE)
8897 //ASSERT(chan->lun[GET_CDEV(Srb)]);
8898 UniataQueueRequest(chan
, Srb
);
8900 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Already have %d request(s)!\n", chan
->queue_depth
));
8904 // Send command to device.
8905 KdPrint2((PRINT_PREFIX
"Send to device %x\n", Srb
->Cdb
[0]));
8907 KdPrint2((PRINT_PREFIX
"TopLevel (2), srb %#x\n", Srb
));
8908 AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
8909 KdPrint2((PRINT_PREFIX
"TopLevel (3), AtaReq %#x\n", AtaReq
));
8910 //ASSERT(!AtaReq->Flags);
8911 //ASSERT(chan->lun[GET_CDEV(Srb)]);
8912 UniataQueueRequest(chan
, Srb
);
8913 // AtaReq = (PATA_REQ)(Srb->SrbExtension);
8914 //ASSERT(!AtaReq->Flags);
8915 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
8916 //ASSERT(!AtaReq->Flags);
8920 if(!LunExt
|| !(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
8924 if(Srb
->Cdb
[0] == SCSIOP_INQUIRY
) {
8925 if(UniataAnybodyHome(deviceExtension
, chan
->lChannel
, DeviceNumber
)) {
8926 if(!CheckDevice(HwDeviceExtension
, chan
->lChannel
, DeviceNumber
, TRUE
)) {
8930 if(!(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
8934 if(Srb
->Cdb
[0] == SCSIOP_ATA_PASSTHROUGH
) {
8943 (Srb
->Cdb
[0] != SCSIOP_ATA_PASSTHROUGH
)/* &&
8944 (Srb->Cdb[0] != SCSIOP_REPORT_LUNS)*/) {
8945 KdPrint3((PRINT_PREFIX
"Try ATAPI send %x\n", Srb
->Cdb
[0]));
8946 status
= AtapiSendCommand(HwDeviceExtension
, Srb
, CMD_ACTION_ALL
);
8948 KdPrint2((PRINT_PREFIX
"Try IDE send\n"));
8953 KdPrint2((PRINT_PREFIX "** before IdeSendCommand:\n"));
8960 KdPrint2((PRINT_PREFIX "** before Ide: EBP:%#x ESP:%#x\n", __ebp__, __esp__));
8962 status
= IdeSendCommand(HwDeviceExtension
, Srb
, CMD_ACTION_ALL
);
8964 /* KeBugCheckEx(0xc000000e,
8965 (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun),
8967 status, 0x80000002);*/
8975 case SRB_FUNCTION_ABORT_COMMAND
:
8977 tmpSrb
= ScsiPortGetSrb(HwDeviceExtension
, Srb
->PathId
, Srb
->TargetId
, Srb
->Lun
,
8979 // Verify that SRB to abort is still outstanding.
8980 if((tmpSrb
!= Srb
->NextSrb
) ||
8981 !chan
->queue_depth
) {
8983 KdPrint2((PRINT_PREFIX
"AtapiStartIo: SRB to abort already completed\n"));
8985 // Complete abort SRB.
8986 status
= SRB_STATUS_ABORT_FAILED
;
8990 AtaReq
= (PATA_REQ
)(tmpSrb
->SrbExtension
);
8991 if(AtaReq
->ReqState
> REQ_STATE_READY_TO_TRANSFER
) {
8992 if (!AtapiResetController__(deviceExtension
, lChannel
, RESET_COMPLETE_CURRENT
)) {
8993 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Abort command failed\n"));
8994 // Log reset failure.
8995 KdPrint3((PRINT_PREFIX
8996 "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d)\n",
8997 HwDeviceExtension
, NULL
, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR
, 5 << 8
8999 ScsiPortLogError(HwDeviceExtension
, NULL
, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR
, 5 << 8);
9000 status
= SRB_STATUS_ERROR
;
9003 status
= SRB_STATUS_SUCCESS
;
9006 KdPrint2((PRINT_PREFIX
"AtapiInterrupt: remove aborted srb %#x\n", tmpSrb
));
9007 if (tmpSrb
->SenseInfoBuffer
&&
9008 tmpSrb
->SenseInfoBufferLength
>= sizeof(SENSE_DATA
)) {
9010 PSENSE_DATA senseBuffer
= (PSENSE_DATA
)tmpSrb
->SenseInfoBuffer
;
9012 senseBuffer
->ErrorCode
= 0;
9013 senseBuffer
->Valid
= 1;
9014 senseBuffer
->AdditionalSenseLength
= 0xb;
9015 senseBuffer
->SenseKey
= SCSI_SENSE_ABORTED_COMMAND
;
9016 senseBuffer
->AdditionalSenseCode
= 0;
9017 senseBuffer
->AdditionalSenseCodeQualifier
= 0;
9019 tmpSrb
->SrbStatus
|= SRB_STATUS_AUTOSENSE_VALID
;
9021 AtapiDmaDBSync(chan
, tmpSrb
);
9022 UniataRemoveRequest(chan
, tmpSrb
);
9023 // Indicate command complete.
9024 ScsiPortNotification(RequestComplete
,
9027 status
= SRB_STATUS_SUCCESS
;
9031 // Abort function indicates that a request timed out.
9032 // Call reset routine. Card will only be reset if
9033 // status indicates something is wrong.
9034 // Fall through to reset code.
9036 case SRB_FUNCTION_RESET_DEVICE
:
9037 case SRB_FUNCTION_RESET_LOGICAL_UNIT
:
9039 // Reset single device.
9040 // For now we support only Lun=0
9042 // Note: reset is immediate command, it cannot be queued since it is usually used to
9043 // revert not-responding device to operational state
9044 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Reset device request received\n"));
9045 UniataUserDeviceReset(deviceExtension
, LunExt
, lChannel
);
9046 status
= SRB_STATUS_SUCCESS
;
9049 case SRB_FUNCTION_RESET_BUS
:
9051 // Reset Atapi and SCSI bus.
9053 // Note: reset is immediate command, it cannot be queued since it is usually used to
9054 // revert not- responding device to operational state
9055 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Reset bus request received\n"));
9056 if (!AtapiResetController__(deviceExtension
, lChannel
, RESET_COMPLETE_ALL
)) {
9057 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Reset bus failed\n"));
9058 // Log reset failure.
9059 KdPrint3((PRINT_PREFIX
9060 "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d) - (2)\n",
9061 HwDeviceExtension
, NULL
, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR
, 5 << 8
9063 ScsiPortLogError(HwDeviceExtension
, NULL
, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR
, 5 << 8);
9064 status
= SRB_STATUS_ERROR
;
9067 status
= SRB_STATUS_SUCCESS
;
9072 case SRB_FUNCTION_SHUTDOWN
:
9074 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Shutdown\n"));
9075 if(!LunExt
|| !(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
9076 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Shutdown - no such device\n"));
9079 // FLUSH ATAPI device - do nothing
9080 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Shutdown - ATAPI device\n"));
9082 // FLUSH IDE/ATA device
9083 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Shutdown - IDE device\n"));
9084 AtapiDisableInterrupts(deviceExtension
, lChannel
);
9085 status
= AtaCommand(deviceExtension
, DeviceNumber
, GET_CHANNEL(Srb
),
9086 IDE_COMMAND_FLUSH_CACHE
, 0, 0, 0, 0, 0, ATA_WAIT_IDLE
);
9087 // If supported & allowed, reset write cacheing
9088 if(LunExt
->DeviceFlags
& DFLAGS_WCACHE_ENABLED
) {
9090 // Disable write cache
9091 status
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
,
9092 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
9093 0, ATA_C_F_DIS_WCACHE
, ATA_WAIT_BASE_READY
);
9094 // Check for errors.
9095 if (status
& IDE_STATUS_ERROR
) {
9096 KdPrint2((PRINT_PREFIX
9097 "AtapiHwInitialize: Disable write cacheing on Device %d failed\n",
9100 LunExt
->DeviceFlags
&= ~DFLAGS_WCACHE_ENABLED
;
9102 // Re-enable write cache
9103 status
= AtaCommand(deviceExtension
, DeviceNumber
, lChannel
,
9104 IDE_COMMAND_SET_FEATURES
, 0, 0, 0,
9105 0, ATA_C_F_ENAB_WCACHE
, ATA_WAIT_BASE_READY
);
9106 // Check for errors.
9107 if (status
& IDE_STATUS_ERROR
) {
9108 KdPrint2((PRINT_PREFIX
9109 "AtapiHwInitialize: Enable write cacheing on Device %d failed\n",
9111 LunExt
->DeviceFlags
&= ~DFLAGS_WCACHE_ENABLED
;
9113 LunExt
->DeviceFlags
|= DFLAGS_WCACHE_ENABLED
;
9117 AtapiEnableInterrupts(deviceExtension
, lChannel
);
9119 status
= SRB_STATUS_SUCCESS
;
9123 case SRB_FUNCTION_FLUSH
:
9125 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Flush (do nothing)\n"));
9126 status
= SRB_STATUS_SUCCESS
;
9129 case SRB_FUNCTION_IO_CONTROL
: {
9133 KdPrint2((PRINT_PREFIX
"AtapiStartIo: SRB_FUNCTION_IO_CONTROL\n"));
9135 len
= Srb
->DataTransferLength
;
9137 if(!AtapiStringCmp( (PCHAR
)(((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->Signature
),"SCSIDISK",sizeof("SCSIDISK")-1)) {
9139 ULONG targetId
= (ULONG
)(-1);
9141 if(len
< sizeof(SRB_IO_CONTROL
)) {
9142 goto wrong_buffer_size
;
9145 // extract bogus bus address
9146 switch (((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->ControlCode
) {
9147 case IOCTL_SCSI_MINIPORT_SMART_VERSION
: {
9148 PGETVERSIONINPARAMS versionParameters
= (PGETVERSIONINPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
9150 if(len
< sizeof(SRB_IO_CONTROL
)+sizeof(GETVERSIONINPARAMS
)) {
9151 goto wrong_buffer_size
;
9154 targetId
= versionParameters
->bIDEDeviceMap
;
9155 KdPrint2((PRINT_PREFIX
"targetId (smart ver) %d\n", targetId
));
9157 case IOCTL_SCSI_MINIPORT_IDENTIFY
:
9158 case IOCTL_SCSI_MINIPORT_READ_SMART_ATTRIBS
:
9159 case IOCTL_SCSI_MINIPORT_READ_SMART_THRESHOLDS
:
9160 case IOCTL_SCSI_MINIPORT_ENABLE_SMART
:
9161 case IOCTL_SCSI_MINIPORT_DISABLE_SMART
:
9162 case IOCTL_SCSI_MINIPORT_RETURN_STATUS
:
9163 case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTOSAVE
:
9164 case IOCTL_SCSI_MINIPORT_SAVE_ATTRIBUTE_VALUES
:
9165 case IOCTL_SCSI_MINIPORT_EXECUTE_OFFLINE_DIAGS
:
9166 case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTO_OFFLINE
:
9167 case IOCTL_SCSI_MINIPORT_READ_SMART_LOG
:
9168 case IOCTL_SCSI_MINIPORT_WRITE_SMART_LOG
:
9170 PSENDCMDINPARAMS cmdInParameters
= (PSENDCMDINPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
9172 if(len
< sizeof(SRB_IO_CONTROL
)+sizeof(SENDCMDINPARAMS
) - 1) {
9173 goto wrong_buffer_size
;
9176 targetId
= cmdInParameters
->bDriveNumber
;
9177 KdPrint2((PRINT_PREFIX
"targetId (smart/ident) %d\n", targetId
));
9181 KdPrint2((PRINT_PREFIX
"AtapiStartIo: invalid IoControl %#x for SCSIDISK signature\n",
9182 ((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->ControlCode
));
9183 status
= SRB_STATUS_INVALID_REQUEST
;
9187 // adjust (if necessary) bus address
9188 if(targetId
!= (ULONG
)(-1)) {
9190 // This is done because of how the IOCTL_SCSI_MINIPORT
9191 // determines 'targetid's'. Disk.sys places the real target id value
9192 // in the DeviceMap field. Once we do some parameter checking, the value passed
9193 // back to the application will be determined.
9195 if (deviceExtension
->NumberChannels
== 1) {
9196 // do this for legacy controllers and legacy callers
9197 KdPrint2((PRINT_PREFIX
"AtapiStartIo: legacy call\n"));
9198 DeviceNumber
= (targetId
& 0x01);
9202 // do this for smartmontools, sending IOCTLs to PhysicalDrive%d
9203 // due to DISK.SYS design bug, we have invalid SCSI address in SRB
9204 KdPrint2((PRINT_PREFIX
"AtapiStartIo: legacy call (2)\n"));
9205 if(deviceExtension
->HwFlags
& UNIATA_AHCI
) {
9206 lChannel
= (UCHAR
)targetId
/ 2;
9209 lChannel
= (UCHAR
)(targetId
/ 2);
9210 DeviceNumber
= targetId
& 0x01;
9213 // otherwise assume lChannel and DeviceNumber from Srb are ok
9215 if(lChannel
>= deviceExtension
->NumberChannels
||
9216 DeviceNumber
>= deviceExtension
->NumberLuns
) {
9217 KdPrint2((PRINT_PREFIX
9218 "AtapiStartIo: SCSIDISK IOCTL for non-exestent drive %d -> EXECUTE_SCSI rejected (2)\n",
9220 // Indicate no device found at this address.
9223 targetId
= lChannel
*deviceExtension
->NumberLuns
+DeviceNumber
;
9224 chan
= &(deviceExtension
->chan
[lChannel
]);
9225 LunExt
= chan
->lun
[DeviceNumber
];
9229 atapiDev
= (LunExt
->DeviceFlags
& DFLAGS_ATAPI_DEVICE
) ? TRUE
: FALSE
;
9231 if (!(LunExt
->DeviceFlags
& DFLAGS_DEVICE_PRESENT
)) {
9236 switch (((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->ControlCode
) {
9237 case IOCTL_SCSI_MINIPORT_SMART_VERSION
: {
9239 PGETVERSIONINPARAMS versionParameters
= (PGETVERSIONINPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
9240 UCHAR deviceNumberMap
;
9242 KdPrint2((PRINT_PREFIX
"AtapiStartIo: IOCTL_SCSI_MINIPORT_SMART_VERSION\n"));
9244 // Version and revision per SMART 1.03
9246 versionParameters
->bVersion
= 1;
9247 versionParameters
->bRevision
= 1;
9248 versionParameters
->bReserved
= 0;
9250 // Indicate that support for IDE IDENTIFY, ATAPI IDENTIFY and SMART commands.
9251 versionParameters
->fCapabilities
= (CAP_ATA_ID_CMD
| CAP_ATAPI_ID_CMD
| CAP_SMART_CMD
);
9254 goto invalid_request
;
9257 // NOTE: This will only set the bit
9258 // corresponding to this drive's target id.
9259 // The bit mask is as follows:
9265 if(chan
->DeviceExtension
->HwFlags
& UNIATA_AHCI
) {
9266 deviceNumberMap
= 1 << lChannel
;
9269 if (deviceExtension
->NumberChannels
== 1) {
9270 if (chan
->PrimaryAddress
) {
9271 deviceNumberMap
= 1 << DeviceNumber
;
9273 deviceNumberMap
= 4 << DeviceNumber
;
9276 deviceNumberMap
= 1 << (DeviceNumber
+lChannel
*2);
9279 versionParameters
->bIDEDeviceMap
= deviceNumberMap
;
9281 status
= SRB_STATUS_SUCCESS
;
9285 case IOCTL_SCSI_MINIPORT_IDENTIFY
: {
9287 PSENDCMDOUTPARAMS cmdOutParameters
= (PSENDCMDOUTPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
9288 SENDCMDINPARAMS cmdInParameters
= *(PSENDCMDINPARAMS
)(((PUCHAR
)Srb
->DataBuffer
) + sizeof(SRB_IO_CONTROL
));
9290 KdPrint2((PRINT_PREFIX
"AtapiStartIo: IOCTL_SCSI_MINIPORT_IDENTIFY\n"));
9291 // Extract the target.
9292 KdPrint2((PRINT_PREFIX
"targetId %d\n", targetId
));
9294 switch(cmdInParameters
.irDriveRegs
.bCommandReg
) {
9297 KdPrint2((PRINT_PREFIX
"Error: ID_CMD for ATAPI\n"));
9298 goto invalid_request
;
9304 (cmdInParameters
.irDriveRegs
.bCommandReg
== ATAPI_ID_CMD
)) {
9305 KdPrint2((PRINT_PREFIX
"Error: ATAPI_ID_CMD for non-ATAPI\n"));
9306 goto invalid_request
;
9309 len
= min(len
, sizeof(SENDCMDOUTPARAMS
) - 1 + IDENTIFY_BUFFER_SIZE
);
9310 // Zero the output buffer
9311 RtlZeroMemory(cmdOutParameters
, len
);
9312 /* for (i = 0; i < (sizeof(SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE - 1); i++) {
9313 ((PUCHAR)cmdOutParameters)[i] = 0;
9316 // Build status block.
9317 cmdOutParameters
->cBufferSize
= min(IDENTIFY_BUFFER_SIZE
, len
- sizeof(SENDCMDOUTPARAMS
) + 1);
9318 cmdOutParameters
->DriverStatus
.bDriverError
= 0;
9319 cmdOutParameters
->DriverStatus
.bIDEError
= 0;
9321 // Extract the identify data from the device extension.
9322 ScsiPortMoveMemory (cmdOutParameters
->bBuffer
, &(LunExt
->IdentifyData
),
9323 cmdOutParameters
->cBufferSize
);
9325 if((cmdOutParameters
->cBufferSize
== IDENTIFY_BUFFER_SIZE
) &&
9326 (LunExt
->IdentifyData
.ChecksumValid
== ATA_ChecksumValid
)) {
9327 // adjust checksum if it is possible
9331 for(i
=0; i
< IDENTIFY_BUFFER_SIZE
-1; i
++) {
9332 csum
+= (CHAR
)(cmdOutParameters
->bBuffer
[i
]);
9334 cmdOutParameters
->bBuffer
[i
] = -csum
;
9335 KdPrint2((PRINT_PREFIX
"AtapiStartIo: adjust checksum %d\n"));
9337 KdPrint2((PRINT_PREFIX
"AtapiStartIo: IOCTL_SCSI_MINIPORT_IDENTIFY Ok\n"));
9339 status
= SRB_STATUS_SUCCESS
;
9343 KdPrint2((PRINT_PREFIX
"AtapiStartIo: not supported ID code %x\n",
9344 cmdInParameters
.irDriveRegs
.bCommandReg
));
9345 status
= SRB_STATUS_INVALID_REQUEST
;
9351 case IOCTL_SCSI_MINIPORT_READ_SMART_ATTRIBS:
9352 case IOCTL_SCSI_MINIPORT_READ_SMART_THRESHOLDS:
9353 case IOCTL_SCSI_MINIPORT_ENABLE_SMART:
9354 case IOCTL_SCSI_MINIPORT_DISABLE_SMART:
9355 case IOCTL_SCSI_MINIPORT_RETURN_STATUS:
9356 case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTOSAVE:
9357 case IOCTL_SCSI_MINIPORT_SAVE_ATTRIBUTE_VALUES:
9358 case IOCTL_SCSI_MINIPORT_EXECUTE_OFFLINE_DIAGS:
9361 // *all* IOCTLs here are SMART
9363 KdPrint2((PRINT_PREFIX
9364 "AtapiStartIo: SCSIDISK Smart IOCTL for commPort -> EXECUTE_SCSI rejected (3)\n"));
9367 goto invalid_request
;
9370 PostReq
= UniataNeedQueueing(deviceExtension
, chan
, TopLevel
);
9372 if(PostReq
|| TopLevel
) {
9373 UniataQueueRequest(chan
, Srb
);
9374 AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
9375 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
9380 KdPrint2((PRINT_PREFIX
"Non-empty queue (SMART)\n"));
9381 status
= SRB_STATUS_PENDING
;
9383 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Already have %d request(s)!\n", chan
->queue_depth
));
9386 status
= IdeSendSmartCommand(HwDeviceExtension
, Srb
, targetId
);
9390 // we should not get here, checked above
9392 KdPrint2((PRINT_PREFIX "AtapiStartIo: invalid IoControl %#x for SCSIDISK signature\n",
9393 ((PSRB_IO_CONTROL)(Srb->DataBuffer))->ControlCode ));
9394 status = SRB_STATUS_INVALID_REQUEST;
9399 if(!AtapiStringCmp( (PCHAR
)(((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->Signature
),"-UNIATA-", sizeof("-UNIATA-")-1)) {
9401 PUNIATA_CTL AtaCtl
= (PUNIATA_CTL
)(Srb
->DataBuffer
);
9402 //ULONG ldev = GET_LDEV2(AtaCtl->addr.PathId, AtaCtl->addr.TargetId, 0);
9403 ULONG DeviceNumber
= AtaCtl
->addr
.TargetId
;
9407 pos
= FIELD_OFFSET(UNIATA_CTL
, RawData
);
9408 //chan = &(deviceExtension->chan[lChannel]);
9410 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9411 FIELD_OFFSET(UNIATA_CTL
, RawData
) ));
9412 goto wrong_buffer_size
;
9415 if(AtaCtl
->addr
.Lun
||
9416 AtaCtl
->addr
.TargetId
>= deviceExtension
->NumberLuns
||
9417 AtaCtl
->addr
.PathId
>= deviceExtension
->NumberChannels
) {
9425 lChannel
= AtaCtl
->addr
.PathId
;
9426 chan
= &(deviceExtension
->chan
[lChannel
]);
9427 LunExt
= chan
->lun
[DeviceNumber
];
9430 KdPrint2((PRINT_PREFIX
"AtapiStartIo: -UNIATA- %#x, dev %#x\n", AtaCtl
->hdr
.ControlCode
, DeviceNumber
));
9432 /* check for valid LUN */
9433 switch (AtaCtl
->hdr
.ControlCode
) {
9434 case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES
:
9435 case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE
:
9436 // this would be BUS reset
9438 (AtaCtl
->addr
.PathId
>= deviceExtension
->NumberChannels
||
9439 AtaCtl
->addr
.TargetId
!= 0xff ||
9440 AtaCtl
->addr
.Lun
!= 0
9442 if(AtaCtl
->hdr
.ControlCode
== IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES
&&
9443 DeviceNumber
< deviceExtension
->NumberLuns
) { // AtaCtl->addr.TargetId != 0xff
9444 lChannel
= AtaCtl
->addr
.PathId
;
9445 chan
= &(deviceExtension
->chan
[lChannel
]);
9446 LunExt
= chan
->lun
[DeviceNumber
];
9449 goto handle_bad_ldev
;
9452 lChannel
= AtaCtl
->addr
.PathId
;
9453 chan
= &(deviceExtension
->chan
[lChannel
]);
9456 case IOCTL_SCSI_MINIPORT_UNIATA_DELETE_DEVICE
:
9457 case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE
:
9458 case IOCTL_SCSI_MINIPORT_UNIATA_GET_MODE
:
9459 case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB
:
9460 // case IOCTL_SCSI_MINIPORT_UNIATA_REG_IO:
9463 KdPrint2((PRINT_PREFIX
9464 "AtapiStartIo: bad_ldev -> IOCTL SRB rejected\n"));
9465 // Indicate no device found at this address.
9470 /* check if queueing is necessary */
9471 switch (AtaCtl
->hdr
.ControlCode
) {
9472 case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB
:
9473 if(!LunExt
->nBadBlocks
) {
9476 goto uata_ctl_queue
;
9477 case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE
:
9478 if(len
< pos
+sizeof(AtaCtl
->SetMode
)) {
9479 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9480 pos
+sizeof(AtaCtl
->SetMode
) ));
9481 goto wrong_buffer_size
;
9483 if(!AtaCtl
->SetMode
.ApplyImmediately
) {
9486 goto uata_ctl_queue
;
9487 case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES
:
9488 //case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE: reset must be processed immediately
9490 KdPrint2((PRINT_PREFIX
"put to queue (UNIATA)\n"));
9491 PostReq
= UniataNeedQueueing(deviceExtension
, chan
, TopLevel
);
9493 if(PostReq
|| TopLevel
) {
9494 UniataQueueRequest(chan
, Srb
);
9495 AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
9496 AtaReq
->ReqState
= REQ_STATE_QUEUED
;
9499 KdPrint2((PRINT_PREFIX
"Non-empty queue (UNIATA)\n"));
9500 status
= SRB_STATUS_PENDING
;
9502 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Already have %d request(s)!\n", chan
->queue_depth
));
9505 } // end switch (AtaCtl->hdr.ControlCode)
9507 /* process request */
9508 switch (AtaCtl
->hdr
.ControlCode
) {
9509 case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES
:
9511 KdPrint2((PRINT_PREFIX
"AtapiStartIo: rescan bus\n"));
9513 if(len
< pos
+sizeof(AtaCtl
->FindDelDev
)) {
9514 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9515 pos
+sizeof(AtaCtl
->FindDelDev
) ));
9516 goto wrong_buffer_size
;
9518 if(AtaCtl
->FindDelDev
.Flags
& UNIATA_ADD_FLAGS_UNHIDE
) {
9519 KdPrint2((PRINT_PREFIX
"AtapiStartIo: unhide from further detection\n"));
9520 if(AtaCtl
->addr
.TargetId
!= 0xff) {
9521 LunExt
->DeviceFlags
&= ~DFLAGS_HIDDEN
;
9526 for(i
=0; i
<AtaCtl
->FindDelDev
.WaitForPhysicalLink
&& i
<30; i
++) {
9527 AtapiStallExecution(1000 * 1000);
9530 FindDevices(HwDeviceExtension
,
9531 ((AtaCtl
->addr
.TargetId
== 0xff) && (AtaCtl
->FindDelDev
.Flags
& UNIATA_ADD_FLAGS_UNHIDE
))
9532 ? UNIATA_FIND_DEV_UNHIDE
: 0,
9533 AtaCtl
->addr
.PathId
);
9534 status
= SRB_STATUS_SUCCESS
;
9538 case IOCTL_SCSI_MINIPORT_UNIATA_DELETE_DEVICE
: {
9540 KdPrint2((PRINT_PREFIX
"AtapiStartIo: remove %#x:%#x\n", AtaCtl
->addr
.PathId
, AtaCtl
->addr
.TargetId
));
9542 if(len
< pos
+sizeof(AtaCtl
->FindDelDev
)) {
9543 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9544 pos
+sizeof(AtaCtl
->FindDelDev
) ));
9545 goto wrong_buffer_size
;
9547 LunExt
->DeviceFlags
= 0;
9548 if(AtaCtl
->FindDelDev
.Flags
& UNIATA_REMOVE_FLAGS_HIDE
) {
9549 KdPrint2((PRINT_PREFIX
"AtapiStartIo: hide from further detection\n"));
9550 //LunExt->DeviceFlags |= DFLAGS_HIDDEN;
9551 UniataForgetDevice(LunExt
);
9554 for(i
=0; i
<AtaCtl
->FindDelDev
.WaitForPhysicalLink
&& i
<30; i
++) {
9555 AtapiStallExecution(1000 * 1000);
9558 status
= SRB_STATUS_SUCCESS
;
9561 case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE
: {
9563 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Set transfer mode\n"));
9565 if(len
< pos
+sizeof(AtaCtl
->SetMode
)) {
9566 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9567 pos
+sizeof(AtaCtl
->SetMode
) ));
9568 goto wrong_buffer_size
;
9570 if(AtaCtl
->SetMode
.OrigMode
!= IOMODE_NOT_SPECIFIED
) {
9571 LunExt
->OrigTransferMode
= (UCHAR
)(AtaCtl
->SetMode
.OrigMode
);
9573 if(AtaCtl
->SetMode
.MaxMode
!= IOMODE_NOT_SPECIFIED
) {
9574 LunExt
->LimitedTransferMode
= (UCHAR
)(AtaCtl
->SetMode
.MaxMode
);
9575 if(LunExt
->LimitedTransferMode
>
9576 LunExt
->OrigTransferMode
) {
9577 // check for incorrect value
9578 LunExt
->LimitedTransferMode
=
9579 LunExt
->OrigTransferMode
;
9582 LunExt
->TransferMode
= min(LunExt
->LimitedTransferMode
, LunExt
->OrigTransferMode
);
9584 LunExt
->DeviceFlags
|= DFLAGS_REINIT_DMA
; // force PIO/DMA reinit
9585 if(AtaCtl
->SetMode
.ApplyImmediately
) {
9586 AtapiDmaInit__(deviceExtension
, LunExt
);
9588 /* LunExt->TransferMode =
9589 LunExt->LimitedTransferMode = (UCHAR)(setTransferMode->Mode);*/
9590 status
= SRB_STATUS_SUCCESS
;
9593 case IOCTL_SCSI_MINIPORT_UNIATA_GET_MODE
: {
9595 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Get transfer mode\n"));
9597 if(len
< pos
+sizeof(AtaCtl
->GetMode
)) {
9598 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9599 pos
+sizeof(AtaCtl
->GetMode
) ));
9600 goto wrong_buffer_size
;
9602 AtaCtl
->GetMode
.OrigMode
= LunExt
->OrigTransferMode
;
9603 AtaCtl
->GetMode
.MaxMode
= LunExt
->LimitedTransferMode
;
9604 AtaCtl
->GetMode
.CurrentMode
= LunExt
->TransferMode
;
9605 AtaCtl
->GetMode
.PhyMode
= LunExt
->PhyTransferMode
;
9607 status
= SRB_STATUS_SUCCESS
;
9610 case IOCTL_SCSI_MINIPORT_UNIATA_GET_VERSION
: {
9612 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Get version\n"));
9614 if(len
< pos
+sizeof(AtaCtl
->Version
)) {
9615 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9616 pos
+sizeof(AtaCtl
->Version
) ));
9617 goto wrong_buffer_size
;
9619 AtaCtl
->Version
.Length
= sizeof(GETDRVVERSION
);
9620 AtaCtl
->Version
.VersionMj
= UNIATA_VER_MJ
;
9621 AtaCtl
->Version
.VersionMn
= UNIATA_VER_MN
;
9622 AtaCtl
->Version
.SubVerMj
= UNIATA_VER_SUB_MJ
;
9623 AtaCtl
->Version
.SubVerMn
= UNIATA_VER_SUB_MN
;
9625 status
= SRB_STATUS_SUCCESS
;
9628 case IOCTL_SCSI_MINIPORT_UNIATA_ADAPTER_INFO
: {
9630 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Get adapter info\n"));
9632 if(len
< pos
+sizeof(AtaCtl
->AdapterInfo
)) {
9633 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len
,
9634 pos
+sizeof(AtaCtl
->AdapterInfo
) ));
9635 goto wrong_buffer_size
;
9637 AtaCtl
->AdapterInfo
.HeaderLength
= sizeof(ADAPTERINFO
);
9639 AtaCtl
->AdapterInfo
.DevID
= deviceExtension
->DevID
;
9640 AtaCtl
->AdapterInfo
.RevID
= deviceExtension
->RevID
;
9641 AtaCtl
->AdapterInfo
.slotNumber
= deviceExtension
->slotNumber
;
9642 AtaCtl
->AdapterInfo
.SystemIoBusNumber
= deviceExtension
->SystemIoBusNumber
;
9643 AtaCtl
->AdapterInfo
.DevIndex
= deviceExtension
->DevIndex
;
9644 AtaCtl
->AdapterInfo
.Channel
= deviceExtension
->Channel
;
9645 AtaCtl
->AdapterInfo
.HbaCtrlFlags
= deviceExtension
->HbaCtrlFlags
;
9646 AtaCtl
->AdapterInfo
.simplexOnly
= deviceExtension
->simplexOnly
;
9647 AtaCtl
->AdapterInfo
.MemIo
= FALSE
;/*deviceExtension->MemIo;*/
9648 AtaCtl
->AdapterInfo
.UnknownDev
= deviceExtension
->UnknownDev
;
9649 AtaCtl
->AdapterInfo
.MasterDev
= deviceExtension
->MasterDev
;
9650 AtaCtl
->AdapterInfo
.MaxTransferMode
= deviceExtension
->MaxTransferMode
;
9651 AtaCtl
->AdapterInfo
.HwFlags
= deviceExtension
->HwFlags
;
9652 AtaCtl
->AdapterInfo
.OrigAdapterInterfaceType
= deviceExtension
->OrigAdapterInterfaceType
;
9653 AtaCtl
->AdapterInfo
.BusInterruptLevel
= deviceExtension
->BusInterruptLevel
;
9654 AtaCtl
->AdapterInfo
.InterruptMode
= deviceExtension
->InterruptMode
;
9655 AtaCtl
->AdapterInfo
.BusInterruptVector
= deviceExtension
->BusInterruptVector
;
9656 AtaCtl
->AdapterInfo
.NumberChannels
= deviceExtension
->NumberChannels
;
9657 AtaCtl
->AdapterInfo
.NumberLuns
= (UCHAR
)deviceExtension
->NumberLuns
;
9658 AtaCtl
->AdapterInfo
.AdapterInterfaceType
= deviceExtension
->AdapterInterfaceType
;
9659 if(deviceExtension
->FullDevName
) {
9660 strncpy(AtaCtl
->AdapterInfo
.DeviceName
, deviceExtension
->FullDevName
, 64);
9662 AtaCtl
->AdapterInfo
.ChanInfoValid
= FALSE
;
9663 AtaCtl
->AdapterInfo
.LunInfoValid
= FALSE
;
9664 AtaCtl
->AdapterInfo
.ChanHeaderLengthValid
= TRUE
;
9666 pos
+= AtaCtl
->AdapterInfo
.HeaderLength
;
9669 RtlZeroMemory(((PCHAR
)AtaCtl
)+pos
,
9672 if(len
>= pos
+AtaCtl
->AdapterInfo
.NumberChannels
*sizeof(CHANINFO
)) {
9673 PCHANINFO ChanInfo
= (PCHANINFO
)( ((PCHAR
)AtaCtl
)+pos
);
9674 PHW_CHANNEL cur_chan
;
9675 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Fill channel info\n"));
9676 for(i
=0;i
<AtaCtl
->AdapterInfo
.NumberChannels
;i
++) {
9677 KdPrint2((PRINT_PREFIX
"chan[%d] %x\n", i
, cur_chan
));
9678 cur_chan
= &(deviceExtension
->chan
[i
]);
9679 ChanInfo
->MaxTransferMode
= cur_chan
->MaxTransferMode
;
9680 ChanInfo
->ChannelCtrlFlags
= cur_chan
->ChannelCtrlFlags
;
9681 RtlCopyMemory(&(ChanInfo
->QueueStat
), &(cur_chan
->QueueStat
), sizeof(ChanInfo
->QueueStat
));
9682 ChanInfo
->ReorderCount
= cur_chan
->ReorderCount
;
9683 ChanInfo
->IntersectCount
= cur_chan
->IntersectCount
;
9684 ChanInfo
->TryReorderCount
= cur_chan
->TryReorderCount
;
9685 ChanInfo
->TryReorderHeadCount
= cur_chan
->TryReorderHeadCount
;
9686 ChanInfo
->TryReorderTailCount
= cur_chan
->TryReorderTailCount
;
9687 //ChanInfo->opt_MaxTransferMode = cur_chan->opt_MaxTransferMode;
9690 AtaCtl
->AdapterInfo
.ChanInfoValid
= TRUE
;
9691 AtaCtl
->AdapterInfo
.ChanHeaderLength
= sizeof(*ChanInfo
);
9694 status
= SRB_STATUS_SUCCESS
;
9697 case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB
: {
9699 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Forget BB list\n"));
9701 ForgetBadBlocks(LunExt
);
9703 status
= SRB_STATUS_SUCCESS
;
9706 case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE
: {
9708 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Reset device\n"));
9713 UniataUserDeviceReset(deviceExtension
, LunExt
, AtaCtl
->addr
.PathId
);
9716 status
= SRB_STATUS_SUCCESS
;
9720 KdPrint2((PRINT_PREFIX
"AtapiStartIo: invalid IoControl %#x for -UNIATA- signature\n",
9721 AtaCtl
->hdr
.ControlCode
));
9722 status
= SRB_STATUS_INVALID_REQUEST
;
9727 KdPrint2((PRINT_PREFIX
"AtapiStartIo: IoControl signature incorrect. Send %s, expected %s or %s\n",
9728 ((PSRB_IO_CONTROL
)(Srb
->DataBuffer
))->Signature
,
9729 "SCSIDISK", "-UNIATA-"));
9731 status
= SRB_STATUS_INVALID_REQUEST
;
9736 } // end SRB_FUNCTION_IO_CONTROL
9739 KdPrint2((PRINT_PREFIX
"AtapiStartIo: Unknown IOCTL\n"));
9740 // Indicate unsupported command.
9741 status
= SRB_STATUS_INVALID_REQUEST
;
9749 PathId
= Srb
->PathId
;
9750 TargetId
= Srb
->TargetId
;
9753 if (status
!= SRB_STATUS_PENDING
) {
9755 KdPrint2((PRINT_PREFIX
9756 "AtapiStartIo: Srb %#x complete with status %#x\n",
9760 // Set status in SRB.
9761 Srb
->SrbStatus
= (UCHAR
)status
;
9764 KdPrint2((PRINT_PREFIX
"AtapiStartIo: AtapiDmaDBSync(%x, %x)\n", chan
, Srb
));
9765 AtapiDmaDBSync(chan
, Srb
);
9767 KdPrint2((PRINT_PREFIX
"AtapiStartIo: UniataRemoveRequest(%x, %x)\n", chan
, Srb
));
9768 UniataRemoveRequest(chan
, Srb
);
9769 // Indicate command complete.
9770 KdPrint2((PRINT_PREFIX
"AtapiStartIo: ScsiPortNotification\n"));
9771 ScsiPortNotification(RequestComplete
,
9775 KdPrint2((PRINT_PREFIX
"AtapiStartIo: UniataGetCurRequest\n"));
9776 // Remove current Srb & get next one
9777 if((Srb
= UniataGetCurRequest(chan
))) {
9778 AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
9779 if(AtaReq
->ReqState
> REQ_STATE_QUEUED
) {
9780 // current request is under precessing, thus
9781 // we should do nothing here
9785 KdPrint2((PRINT_PREFIX
"AtapiStartIo: chan %x, Src %x\n", chan
, Srb
));
9790 KdPrint2((PRINT_PREFIX
"AtapiStartIo: next Srb %x\n", Srb
));
9792 } while (Srb
&& (status
!= SRB_STATUS_PENDING
));
9794 KdPrint2((PRINT_PREFIX
"AtapiStartIo: query PORT for next request\n"));
9795 // Indicate ready for next request.
9796 ScsiPortNotification(NextRequest
,
9800 ScsiPortNotification(NextLuRequest
,
9808 } // end AtapiStartIo__()
9813 UniataInitAtaCommands()
9819 KdPrint2((PRINT_PREFIX
"UniataInitAtaCommands:\n"));
9821 for(i
=0; i
<256; i
++) {
9826 //KdPrint2((PRINT_PREFIX "cmd %2.2x: ", command));
9829 case IDE_COMMAND_READ_DMA48
:
9830 case IDE_COMMAND_READ_DMA_Q48
:
9831 case IDE_COMMAND_READ_STREAM_DMA48
:
9832 case IDE_COMMAND_READ_STREAM48
:
9833 case IDE_COMMAND_WRITE_DMA48
:
9834 case IDE_COMMAND_WRITE_DMA_Q48
:
9835 case IDE_COMMAND_READ_DMA_Q
:
9836 case IDE_COMMAND_READ_DMA
:
9837 case IDE_COMMAND_WRITE_DMA
:
9838 case IDE_COMMAND_WRITE_DMA_Q
:
9839 case IDE_COMMAND_WRITE_STREAM_DMA48
:
9840 case IDE_COMMAND_WRITE_STREAM48
:
9841 case IDE_COMMAND_WRITE_FUA_DMA48
:
9842 case IDE_COMMAND_WRITE_FUA_DMA_Q48
:
9843 case IDE_COMMAND_READ_LOG_DMA48
:
9844 case IDE_COMMAND_WRITE_LOG_DMA48
:
9845 case IDE_COMMAND_TRUSTED_RCV_DMA
:
9846 case IDE_COMMAND_TRUSTED_SEND_DMA
:
9847 case IDE_COMMAND_DATA_SET_MGMT
:
9848 //KdPrint2((PRINT_PREFIX "DMA "));
9849 flags
|= ATA_CMD_FLAG_DMA
;
9853 case IDE_COMMAND_WRITE_FUA_DMA48
:
9854 case IDE_COMMAND_WRITE_FUA_DMA_Q48
:
9855 case IDE_COMMAND_WRITE_MUL_FUA48
:
9857 flags
|= ATA_CMD_FLAG_FUA
;
9860 case IDE_COMMAND_READ48
:
9861 case IDE_COMMAND_READ_DMA48
:
9862 case IDE_COMMAND_READ_DMA_Q48
:
9863 case IDE_COMMAND_READ_MUL48
:
9864 case IDE_COMMAND_READ_STREAM_DMA48
:
9865 case IDE_COMMAND_READ_STREAM48
:
9866 case IDE_COMMAND_WRITE48
:
9867 case IDE_COMMAND_WRITE_DMA48
:
9868 case IDE_COMMAND_WRITE_DMA_Q48
:
9869 case IDE_COMMAND_WRITE_MUL48
:
9870 case IDE_COMMAND_WRITE_STREAM_DMA48
:
9871 case IDE_COMMAND_WRITE_STREAM48
:
9872 case IDE_COMMAND_FLUSH_CACHE48
:
9873 case IDE_COMMAND_VERIFY48
:
9875 //KdPrint2((PRINT_PREFIX "48 "));
9876 flags
|= ATA_CMD_FLAG_48
;
9879 case IDE_COMMAND_READ
:
9880 case IDE_COMMAND_READ_MULTIPLE
:
9881 case IDE_COMMAND_READ_DMA
:
9882 case IDE_COMMAND_READ_DMA_Q
:
9883 case IDE_COMMAND_WRITE
:
9884 case IDE_COMMAND_WRITE_MULTIPLE
:
9885 case IDE_COMMAND_WRITE_DMA
:
9886 case IDE_COMMAND_WRITE_DMA_Q
:
9887 case IDE_COMMAND_FLUSH_CACHE
:
9888 case IDE_COMMAND_VERIFY
:
9890 //KdPrint2((PRINT_PREFIX "LBA "));
9891 flags
|= ATA_CMD_FLAG_LBAIOsupp
;
9895 case IDE_COMMAND_READ_NATIVE_SIZE48
:
9896 case IDE_COMMAND_SET_NATIVE_SIZE48
:
9897 // we cannot set LBA flag for these commands to avoid BadBlock handling
9898 //flags |= ATA_CMD_FLAG_LBAIOsupp;
9899 flags
|= ATA_CMD_FLAG_48
;
9901 case IDE_COMMAND_READ_NATIVE_SIZE
:
9902 case IDE_COMMAND_SET_NATIVE_SIZE
:
9904 flags
|= ATA_CMD_FLAG_LBAIOsupp
| ATA_CMD_FLAG_FUA
;
9907 flags
|= ATA_CMD_FLAG_48supp
;
9910 case IDE_COMMAND_READ
:
9911 command
= IDE_COMMAND_READ48
; break;
9912 case IDE_COMMAND_READ_MULTIPLE
:
9913 command
= IDE_COMMAND_READ_MUL48
; break;
9914 case IDE_COMMAND_READ_DMA
:
9915 command
= IDE_COMMAND_READ_DMA48
; break;
9916 case IDE_COMMAND_READ_DMA_Q
:
9917 command
= IDE_COMMAND_READ_DMA_Q48
; break;
9918 case IDE_COMMAND_WRITE
:
9919 command
= IDE_COMMAND_WRITE48
; break;
9920 case IDE_COMMAND_WRITE_MULTIPLE
:
9921 command
= IDE_COMMAND_WRITE_MUL48
; break;
9922 case IDE_COMMAND_WRITE_DMA
:
9923 command
= IDE_COMMAND_WRITE_DMA48
; break;
9924 case IDE_COMMAND_WRITE_DMA_Q
:
9925 command
= IDE_COMMAND_WRITE_DMA_Q48
; break;
9926 case IDE_COMMAND_FLUSH_CACHE
:
9927 command
= IDE_COMMAND_FLUSH_CACHE48
; break;
9928 // case IDE_COMMAND_READ_NATIVE_SIZE:
9929 // command = IDE_COMMAND_READ_NATIVE_SIZE48; break;
9930 case IDE_COMMAND_SET_NATIVE_SIZE
:
9931 command
= IDE_COMMAND_SET_NATIVE_SIZE48
; break;
9932 case IDE_COMMAND_VERIFY
:
9933 command
= IDE_COMMAND_VERIFY48
; break;
9935 //KdPrint2((PRINT_PREFIX "!28->48 "));
9936 flags
&= ~ATA_CMD_FLAG_48supp
;
9940 case IDE_COMMAND_READ
:
9941 case IDE_COMMAND_READ_MULTIPLE
:
9942 case IDE_COMMAND_READ_DMA48
:
9943 case IDE_COMMAND_READ_DMA_Q48
:
9944 case IDE_COMMAND_READ_STREAM_DMA48
:
9945 case IDE_COMMAND_READ_STREAM48
:
9946 case IDE_COMMAND_READ_DMA_Q
:
9947 case IDE_COMMAND_READ_DMA
:
9948 case IDE_COMMAND_READ_LOG_DMA48
:
9949 case IDE_COMMAND_TRUSTED_RCV_DMA
:
9950 case IDE_COMMAND_IDENTIFY
:
9951 case IDE_COMMAND_ATAPI_IDENTIFY
:
9952 //KdPrint2((PRINT_PREFIX "RD "));
9953 flags
|= ATA_CMD_FLAG_In
;
9955 case IDE_COMMAND_WRITE
:
9956 case IDE_COMMAND_WRITE_MULTIPLE
:
9957 case IDE_COMMAND_WRITE_DMA48
:
9958 case IDE_COMMAND_WRITE_DMA_Q48
:
9959 case IDE_COMMAND_WRITE_DMA
:
9960 case IDE_COMMAND_WRITE_DMA_Q
:
9961 case IDE_COMMAND_WRITE_STREAM_DMA48
:
9962 case IDE_COMMAND_WRITE_STREAM48
:
9963 case IDE_COMMAND_WRITE_FUA_DMA48
:
9964 case IDE_COMMAND_WRITE_FUA_DMA_Q48
:
9965 //KdPrint2((PRINT_PREFIX "WR "));
9966 flags
|= ATA_CMD_FLAG_Out
;
9970 //KdPrint2((PRINT_PREFIX "\t -> %2.2x (%2.2x)\n", command, flags));
9971 AtaCommands48
[i
] = command
;
9972 AtaCommandFlags
[i
] = flags
;
9974 } // end UniataInitAtaCommands()
9978 Routine Description:
9980 Installable driver initialization entry point for system.
9988 Status from ScsiPortInitialize()
9995 IN PVOID DriverObject
,
9999 HW_INITIALIZATION_DATA_COMMON hwInitializationData
;
10000 ULONG adapterCount
;
10002 ULONG statusToReturn
, newStatus
;
10003 PUNICODE_STRING RegistryPath
= (PUNICODE_STRING
)Argument2
;
10004 BOOLEAN ReEnter
= FALSE
;
10006 #ifndef USE_REACTOS_DDK
10010 PCONFIGURATION_INFORMATION GlobalConfig
= IoGetConfigurationInformation();
10011 BOOLEAN PrimaryClaimed
= FALSE
;
10012 BOOLEAN SecondaryClaimed
= FALSE
;
10014 LARGE_INTEGER t0
, t1
;
10016 Connect_DbgPrint();
10017 KdPrint2((PRINT_PREFIX
"%s", (PCCHAR
)ver_string
));
10018 //a = (WCHAR)strlen(ver_string);
10020 g_opt_Verbose
= (BOOLEAN
)AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"PrintLogo", 0);
10021 if(g_opt_Verbose
) {
10022 _PrintNtConsole("Universal ATA driver v 0." UNIATA_VER_STR
"\n");
10025 if(!SavedDriverObject
) {
10026 SavedDriverObject
= (PDRIVER_OBJECT
)DriverObject
;
10027 #ifdef USE_REACTOS_DDK
10028 KdPrint(("UniATA Init: OS should be ReactOS\n"));
10033 // we are here for the 1st time
10034 // init CrossNT and get OS version
10035 if(!NT_SUCCESS(status
= CrNtInit(SavedDriverObject
, RegistryPath
))) {
10036 KdPrint(("UniATA Init: CrNtInit failed with status %#x\n", status
));
10037 //HalDisplayString((PUCHAR)"DbgPrnHkInitialize: CrNtInit failed\n");
10040 #endif // USE_REACTOS_DDK
10041 KdPrint(("UniATA Init: OS ver %x.%x (%d), %d CPU(s)\n", MajorVersion
, MinorVersion
, BuildNumber
, KeNumberProcessors
));
10043 KeQuerySystemTime(&t0
);
10045 KeQuerySystemTime(&t1
);
10046 } while(t0
.QuadPart
== t1
.QuadPart
);
10050 KeQuerySystemTime(&t1
);
10052 } while(t0
.QuadPart
== t1
.QuadPart
);
10053 g_PerfDt
= (ULONG
)((t1
.QuadPart
- t0
.QuadPart
)/10);
10054 KdPrint(("Performance calibration: dt=%d, counter=%I64d\n", g_PerfDt
, g_Perf
));
10056 KdPrint(("UniATA Init: ReEnter\n"));
10060 // (re)read bad block list
10061 InitBadBlocks(NULL
);
10064 // init ATA command translation table
10065 UniataInitAtaCommands();
10066 // get registry path to settings
10067 RtlCopyMemory(&SavedRegPath
, RegistryPath
, sizeof(UNICODE_STRING
));
10068 SavedRegPath
.Buffer
= (PWCHAR
)&SavedRegPathBuffer
;
10069 SavedRegPath
.Length
= min(RegistryPath
->Length
, 255*sizeof(WCHAR
));
10070 SavedRegPath
.MaximumLength
= 255*sizeof(WCHAR
);
10071 RtlCopyMemory(SavedRegPath
.Buffer
, RegistryPath
->Buffer
, SavedRegPath
.Length
);
10072 SavedRegPath
.Buffer
[SavedRegPath
.Length
/sizeof(WCHAR
)] = 0;
10075 if(WinVer_Id() >= WinVer_2k
) {
10076 if(AtapiRegCheckParameterValue(NULL
, L
"Paramaters\\PnpInterface", L
"1", 0)) {
10077 KdPrint(("UniATA: Behave as WDM, mlia (1)\n"));
10078 WinVer_WDM_Model
= TRUE
;
10080 if(AtapiRegCheckParameterValue(NULL
, L
"Paramaters\\PnpInterface", L
"5", 0)) {
10081 KdPrint(("UniATA: Behave as WDM, mlia (5)\n"));
10082 WinVer_WDM_Model
= TRUE
;
10086 SkipRaids
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"SkipRaids", 1);
10087 ForceSimplex
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"ForceSimplex", 0);
10089 g_LogToDisplay
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"LogToDisplay", 0);
10092 statusToReturn
= 0xffffffff;
10094 // Zero out structure.
10095 RtlZeroMemory(((PCHAR
)&hwInitializationData
), sizeof(hwInitializationData
));
10097 // Set size of hwInitializationData.
10098 hwInitializationData
.comm
.HwInitializationDataSize
=
10099 sizeof(hwInitializationData
.comm
) +
10100 // sizeof(hwInitializationData.nt4) +
10101 ((WinVer_Id() <= WinVer_NT
) ? 0 : sizeof(hwInitializationData
.w2k
));
10102 KdPrint(("HwInitializationDataSize = %x\n", hwInitializationData
.comm
.HwInitializationDataSize
));
10104 // Set entry points.
10105 hwInitializationData
.comm
.HwInitialize
= (PHW_INITIALIZE
)AtapiHwInitialize
;
10106 hwInitializationData
.comm
.HwResetBus
= (PHW_RESET_BUS
)AtapiResetController
;
10107 hwInitializationData
.comm
.HwStartIo
= (PHW_STARTIO
)AtapiStartIo
;
10108 hwInitializationData
.comm
.HwInterrupt
= (PHW_INTERRUPT
)AtapiInterrupt
;
10110 // Specify size of extensions.
10111 hwInitializationData
.comm
.DeviceExtensionSize
= sizeof(HW_DEVICE_EXTENSION
);
10112 hwInitializationData
.comm
.SpecificLuExtensionSize
= sizeof(HW_LU_EXTENSION
);
10113 hwInitializationData
.comm
.SrbExtensionSize
= sizeof(ATA_REQ
);
10115 // Indicate PIO device.
10116 hwInitializationData
.comm
.MapBuffers
= TRUE
;
10117 // Set PnP-specific API
10118 if(WinVer_Id() > WinVer_NT
) {
10119 KdPrint(("set NeedPhysicalAddresses = TRUE\n"));
10120 hwInitializationData
.comm
.NeedPhysicalAddresses
= TRUE
;
10121 KdPrint(("set AtapiAdapterControl() ptr\n"));
10122 hwInitializationData
.w2k
.HwAdapterControl
= (PHW_ADAPTER_CONTROL
)AtapiAdapterControl
;
10125 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE enum supported BusMaster Devices\n"));
10129 g_opt_VirtualMachine
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"VirtualMachineType", g_opt_VirtualMachine
);
10130 if(g_opt_VirtualMachine
> VM_MAX_KNOWN
) {
10131 g_opt_VirtualMachine
= 0;
10133 if(AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"VirtualBox", (g_opt_VirtualMachine
== VM_VBOX
))) {
10134 g_opt_VirtualMachine
= VM_VBOX
;
10136 // Pre-scan PCI bus, also check if we are under VM
10137 UniataEnumBusMasterController(DriverObject
, Argument2
);
10139 switch(g_opt_VirtualMachine
) {
10141 KdPrint2((PRINT_PREFIX
"adjust options for VirtualBox\n"));
10142 // adjust options for VirtualBox
10143 g_opt_WaitBusyCount
= 20000;
10144 g_opt_WaitBusyDelay
= 150;
10145 g_opt_WaitDrqDelay
= 100;
10146 g_opt_WaitBusyLongCount
= 20000;
10147 g_opt_MaxIsrWait
= 200;
10148 g_opt_AtapiSendDisableIntr
= 0;
10149 g_opt_AtapiDmaRawRead
= FALSE
;
10154 KdPrint2((PRINT_PREFIX
"old slow machine, adjust timings\n"));
10155 // old slow machine, adjust timings
10156 g_opt_WaitBusyCount
= 20000;
10157 g_opt_WaitBusyDelay
= 150;
10158 g_opt_WaitDrqDelay
= 100;
10159 g_opt_WaitBusyLongCount
= 20000;
10160 g_opt_MaxIsrWait
= 200;
10163 g_opt_WaitBusyCount
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"WaitBusyCount", g_opt_WaitBusyCount
); // 200 vs 20000
10164 g_opt_WaitBusyDelay
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"WaitBusyDelay", g_opt_WaitBusyDelay
); // 10 vs 150
10165 g_opt_WaitDrqDelay
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"WaitDrqDelay", g_opt_WaitDrqDelay
); // 10 vs 100
10166 g_opt_WaitBusyLongCount
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"WaitBusyLongCount", g_opt_WaitBusyLongCount
); // 2000 vs 20000
10167 g_opt_WaitBusyLongDelay
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"WaitBusyLongDelay", g_opt_WaitBusyLongDelay
); // 250 vs 250
10168 g_opt_AtapiSendDisableIntr
= (BOOLEAN
)AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"AtapiSendDisableIntr", g_opt_AtapiSendDisableIntr
); // 1 vs 0
10169 g_opt_AtapiDmaRawRead
= (BOOLEAN
)AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"AtapiDmaRawRead", g_opt_AtapiDmaRawRead
); // 1 vs 0
10170 g_opt_MaxIsrWait
= AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"MaxIsrWait", g_opt_MaxIsrWait
); // 40 vs xxx
10173 // Look for legacy ISA-bridged PCI IDE controller (onboard)
10174 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: Look for legacy ISA-bridged PCI IDE controller (onboard)\n"));
10175 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: BMListLen %d\n", BMListLen
));
10176 for (i
=0; i
<BMListLen
; i
++) {
10178 if(!BMList
[i
].MasterDev
) {
10179 KdPrint2((PRINT_PREFIX
"!BMList[i].MasterDev\n"));
10182 if(AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"IgnoreIsaCompatiblePci", 0)) {
10186 KdPrint2((PRINT_PREFIX
"ReEnter, skip it\n"));
10187 if(BMList
[i
].ChanInitOk
& 0x03) {
10188 KdPrint2((PRINT_PREFIX
"Already initialized, skip it\n"));
10190 newStatus
= STATUS_SUCCESS
;
10194 //BMList[i].AltInitMasterDev = (UCHAR)0xff;
10196 if(GlobalConfig
->AtDiskPrimaryAddressClaimed
)
10197 PrimaryClaimed
= TRUE
;
10198 if(GlobalConfig
->AtDiskSecondaryAddressClaimed
)
10199 SecondaryClaimed
= TRUE
;
10201 if(!WinVer_WDM_Model
&& !PrimaryClaimed
&& !SecondaryClaimed
&&
10202 !(BMList
[i
].ChanInitOk
& 0x80)) {
10203 newStatus
= UniataClaimLegacyPCIIDE(i
);
10204 if(newStatus
!= STATUS_SUCCESS
) {
10205 KdPrint2((PRINT_PREFIX
"Can't acquire PCI part of BusMaster, try as pure ISA later.\n"));
10210 if(g_opt_Verbose
) {
10211 _PrintNtConsole("Init standard Dual-channel PCI ATA controller:");
10215 for(alt
= 0; alt
< (ULONG
)(WinVer_WDM_Model
? 1 : 2) ; alt
++) {
10217 for(c
=0; c
<2; c
++) {
10219 if(AtapiRegCheckDevValue(NULL
, c
, DEVNUM_NOT_SPECIFIED
, L
"IgnoreIsaCompatiblePci", 0)) {
10223 if(PrimaryClaimed
) {
10224 KdPrint2((PRINT_PREFIX
"Primary already claimed\n"));
10229 if(SecondaryClaimed
) {
10230 KdPrint2((PRINT_PREFIX
"Secondary already claimed\n"));
10235 if((WinVer_Id() < WinVer_2k
)) {
10236 // do not even try if already claimed
10238 GlobalConfig
->AtDiskPrimaryAddressClaimed
= FALSE
;
10241 GlobalConfig
->AtDiskSecondaryAddressClaimed
= FALSE
;
10244 if(!WinVer_WDM_Model
) {
10245 hwInitializationData
.comm
.HwFindAdapter
= UniataFindBusMasterController
;
10247 // in WDM model things are different....
10248 hwInitializationData
.comm
.HwFindAdapter
= (c
== 0) ?
10249 UniataFindCompatBusMasterController1
: UniataFindCompatBusMasterController2
;
10251 hwInitializationData
.comm
.NumberOfAccessRanges
= 6;
10252 hwInitializationData
.comm
.AdapterInterfaceType
= Isa
;
10254 if(!WinVer_WDM_Model
) {
10255 BMList
[i
].channel
= (UCHAR
)c
;
10258 KdPrint2((PRINT_PREFIX
"Try init channel %d, method %d\n", c
, alt
));
10259 newStatus
= ScsiPortInitialize(DriverObject
,
10261 &hwInitializationData
.comm
,
10262 (PVOID
)(i
| (alt
? 0x80000000 : 0)));
10263 KdPrint2((PRINT_PREFIX
"ScsiPortInitialize Status %#x\n", newStatus
));
10264 if (newStatus
< statusToReturn
) {
10265 statusToReturn
= newStatus
;
10267 if (newStatus
== STATUS_SUCCESS
) {
10268 if(WinVer_Id() < WinVer_2k
) {
10269 // This should be done in HwInitialize under w2k+ to ensure that
10270 // channel is actually initialized
10271 BMList
[i
].ChanInitOk
|= 0x01 << c
;
10273 if(BMList
[i
].ChanInitOk
& (0x01 << c
)) {
10274 KdPrint2((PRINT_PREFIX
"HwInit passed\n"));
10278 if(BMList[i].MasterDev && (WinVer_Id() > WinVer_NT)) {
10279 c = 1; // this will break our for()
10280 BMList[i].ChanInitOk |= 0x01 << c;
10285 /* if(WinVer_Id() >= WinVer_2k) {
10286 // the following didn't work under higher OSes,
10287 // until we move setting of FLAGS to HwInit
10288 KdPrint2((PRINT_PREFIX "make still one attempt\n"));
10291 if(BMList
[i
].ChanInitOk
& 0x03) {
10292 // Under NT we receive status immediately, so
10293 // we can omit alternative init method if STATUS_SUCCESS returned.
10294 // Under w2k+ we relay on flags, set in HwInitialize.
10295 KdPrint2((PRINT_PREFIX
"Ok, no more retries required\n"));
10298 if(WinVer_Id() >= WinVer_2k
) {
10299 // try AltInit if HwInit was not called immediately under w2k+
10300 KdPrint2((PRINT_PREFIX
"make still one attempt w2k+\n"));
10302 // if (WinVer_Id() == WinVer_NT) and some error occured
10303 // try alternative init method
10304 KdPrint2((PRINT_PREFIX
"make still one attempt w2k+\n"));
10307 if(g_opt_Verbose
) {
10308 if(BMList
[i
].ChanInitOk
& 0x03) {
10309 _PrintNtConsole(" OK\n");
10311 _PrintNtConsole(" failed\n");
10317 /* KeBugCheckEx(0xc000000e,
10318 (i << 16) | BMList[0].ChanInitOk,
10320 newStatus, statusToReturn);*/
10322 // Look for PCI IDE controller
10323 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: Look for PCI IDE controller\n"));
10324 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: i %d, BMListLen %d\n", i
, BMListLen
));
10325 for (; i
<BMListLen
; i
++) {
10327 if(AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"IgnoreNativePci", 0)) {
10330 /* if(BMList[i].MasterDev)
10332 if(g_opt_Verbose
) {
10333 _PrintNtConsole("Init PCI ATA controller Vendor/Dev %4.4s//%4.4s at PCI Address %d:%d:%d",
10334 BMList
[i
].VendorId
, BMList
[i
].DeviceId
,
10335 BMList
[i
].busNumber
,
10336 BMList
[i
].slotNumber
% PCI_MAX_FUNCTION
,
10337 (BMList
[i
].slotNumber
/ PCI_MAX_FUNCTION
) % PCI_MAX_DEVICES
);
10340 hwInitializationData
.comm
.HwFindAdapter
= UniataFindBusMasterController
;
10341 hwInitializationData
.comm
.NumberOfAccessRanges
= 6;
10342 hwInitializationData
.comm
.AdapterInterfaceType
= PCIBus
;
10344 hwInitializationData
.comm
.VendorId
= (PVOID
)BMList
[i
].VendorId
;
10345 hwInitializationData
.comm
.VendorIdLength
= (USHORT
) BMList
[i
].VendorIdLength
;
10346 hwInitializationData
.comm
.DeviceId
= (PVOID
)BMList
[i
].DeviceId
;
10347 hwInitializationData
.comm
.DeviceIdLength
= (USHORT
) BMList
[i
].DeviceIdLength
;
10349 BMList
[i
].channel
= 0/*(UCHAR)c*/;
10351 KdPrint2((PRINT_PREFIX
"Try init %4.4s %4.4s \n",
10352 hwInitializationData
.comm
.VendorId
,
10353 hwInitializationData
.comm
.DeviceId
));
10354 newStatus
= ScsiPortInitialize(DriverObject
,
10356 &hwInitializationData
.comm
,
10358 KdPrint2((PRINT_PREFIX
"ScsiPortInitialize Status %#x\n", newStatus
));
10359 if(newStatus
== (ULONG
)STATUS_DEVICE_DOES_NOT_EXIST
&& BMList
[i
].NeedAltInit
) {
10360 // Note: this is actually a BUG in scsiport.sys
10361 // It stops scanning PCI bus when reaches empty PCI Function inside Slot
10362 // However, this PCI Slot may have higher non-empty Functions
10363 // UniATA will perform all staff instead of ScsiPort under NT,
10364 // but for ReactOS it is better to patch ScsiPort.
10365 KdPrint2((PRINT_PREFIX
"STATUS_DEVICE_DOES_NOT_EXIST, try workaround\n"));
10366 hwInitializationData
.comm
.AdapterInterfaceType
= Isa
;
10367 newStatus
= ScsiPortInitialize(DriverObject
,
10369 &hwInitializationData
.comm
,
10370 (PVOID
)(i
| 0x80000000));
10371 KdPrint2((PRINT_PREFIX
"ScsiPortInitialize Status %#x (2)\n", newStatus
));
10373 if (newStatus
< statusToReturn
)
10374 statusToReturn
= newStatus
;
10376 if(g_opt_Verbose
) {
10377 if(newStatus
== STATUS_SUCCESS
) {
10378 _PrintNtConsole(" OK\n");
10380 _PrintNtConsole(" failed\n");
10386 /* KeBugCheckEx(0xc000000e,
10389 newStatus, statusToReturn);*/
10393 hwInitializationData
.comm
.VendorId
= 0;
10394 hwInitializationData
.comm
.VendorIdLength
= 0;
10395 hwInitializationData
.comm
.DeviceId
= 0;
10396 hwInitializationData
.comm
.DeviceIdLength
= 0;
10399 hwInitializationData
.comm
.SrbExtensionSize
= //FIELD_OFFSET(ATA_REQ, ata);
10401 KdPrint2((PRINT_PREFIX
"using AtaReq sz %x\n", hwInitializationData
.comm
.SrbExtensionSize
));
10404 // The adapter count is used by the find adapter routine to track how
10405 // which adapter addresses have been tested.
10407 // Indicate 2 access ranges and reset FindAdapter.
10408 hwInitializationData
.comm
.NumberOfAccessRanges
= 2;
10409 hwInitializationData
.comm
.HwFindAdapter
= AtapiFindController
;
10411 if(!AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"IgnoreIsa", 0)) {
10412 // Indicate ISA bustype.
10413 hwInitializationData
.comm
.AdapterInterfaceType
= Isa
;
10416 // Call initialization for ISA bustype.
10417 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: Look for ISA Controllers\n"));
10418 newStatus
= ScsiPortInitialize(DriverObject
,
10420 &hwInitializationData
.comm
,
10422 KdPrint2((PRINT_PREFIX
"ScsiPortInitialize Status %#x\n", newStatus
));
10423 if (newStatus
< statusToReturn
)
10424 statusToReturn
= newStatus
;
10426 if(!AtapiRegCheckDevValue(NULL
, CHAN_NOT_SPECIFIED
, DEVNUM_NOT_SPECIFIED
, L
"IgnoreMca", 0)) {
10428 KdPrint2((PRINT_PREFIX
"\n\nATAPI IDE: Look for MCA Controllers\n"));
10429 hwInitializationData
.comm
.AdapterInterfaceType
= MicroChannel
;
10432 newStatus
= ScsiPortInitialize(DriverObject
,
10434 &hwInitializationData
.comm
,
10436 KdPrint2((PRINT_PREFIX
"ScsiPortInitialize Status %#x\n", newStatus
));
10437 if (newStatus
< statusToReturn
)
10438 statusToReturn
= newStatus
;
10440 InDriverEntry
= FALSE
;
10442 KdPrint2((PRINT_PREFIX
"\n\nLeave UNIATA MiniPort DriverEntry with status %#x\n", statusToReturn
));
10444 return statusToReturn
;
10446 } // end DriverEntry()
10449 PSCSI_REQUEST_BLOCK
10451 BuildMechanismStatusSrb(
10452 IN PVOID HwDeviceExtension
,
10453 IN PSCSI_REQUEST_BLOCK Srb
10456 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
10457 PSCSI_REQUEST_BLOCK srb
;
10459 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
10461 srb
= &(deviceExtension
->chan
[GET_CHANNEL(Srb
)].InternalSrb
);
10463 RtlZeroMemory((PCHAR
) srb
, sizeof(SCSI_REQUEST_BLOCK
));
10465 srb
->PathId
= (UCHAR
)(Srb
->PathId
);
10466 srb
->TargetId
= (UCHAR
)(Srb
->TargetId
);
10467 srb
->Function
= SRB_FUNCTION_EXECUTE_SCSI
;
10468 srb
->Length
= sizeof(SCSI_REQUEST_BLOCK
);
10470 // Set flags to disable synchronous negociation.
10471 srb
->SrbFlags
= SRB_FLAGS_DATA_IN
| SRB_FLAGS_DISABLE_SYNCH_TRANSFER
;
10473 // Set timeout to 4 seconds.
10474 srb
->TimeOutValue
= 4;
10476 srb
->CdbLength
= 6;
10477 srb
->DataBuffer
= &(deviceExtension
->chan
[GET_CHANNEL(Srb
)].MechStatusData
);
10478 srb
->DataTransferLength
= sizeof(MECHANICAL_STATUS_INFORMATION_HEADER
);
10479 srb
->SrbExtension
= AtaReq
;
10481 // Set CDB operation code.
10482 cdb
= (PCDB
)srb
->Cdb
;
10483 cdb
->MECH_STATUS
.OperationCode
= SCSIOP_MECHANISM_STATUS
;
10484 cdb
->MECH_STATUS
.AllocationLength
[1] = sizeof(MECHANICAL_STATUS_INFORMATION_HEADER
);
10486 KdPrint2((PRINT_PREFIX
" MechanismStatusSrb %#x\n", srb
));
10489 } // end BuildMechanismStatusSrb()
10491 #endif //UNIATA_CORE
10493 PSCSI_REQUEST_BLOCK
10495 BuildRequestSenseSrb (
10496 IN PVOID HwDeviceExtension
,
10497 IN PSCSI_REQUEST_BLOCK Srb
10500 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
10501 PSCSI_REQUEST_BLOCK srb
;
10503 PATA_REQ AtaReq
= (PATA_REQ
)(Srb
->SrbExtension
);
10505 srb
= &(deviceExtension
->chan
[GET_CHANNEL(Srb
)].InternalSrb
);
10507 RtlZeroMemory((PCHAR
) srb
, sizeof(SCSI_REQUEST_BLOCK
));
10509 srb
->PathId
= (UCHAR
)(Srb
->PathId
);
10510 srb
->TargetId
= (UCHAR
)(Srb
->TargetId
);
10511 srb
->Function
= SRB_FUNCTION_EXECUTE_SCSI
;
10512 srb
->Length
= sizeof(SCSI_REQUEST_BLOCK
);
10514 // Set flags to disable synchronous negociation.
10515 srb
->SrbFlags
= SRB_FLAGS_DATA_IN
| SRB_FLAGS_DISABLE_SYNCH_TRANSFER
;
10517 // Set timeout to 2 seconds.
10518 srb
->TimeOutValue
= 4;
10520 srb
->CdbLength
= 6;
10521 srb
->DataBuffer
= &(deviceExtension
->chan
[GET_CHANNEL(Srb
)].MechStatusSense
);
10522 srb
->DataTransferLength
= sizeof(SENSE_DATA
);
10523 srb
->SrbExtension
= AtaReq
;
10525 // Set CDB operation code.
10526 cdb
= (PCDB
)srb
->Cdb
;
10527 cdb
->CDB6INQUIRY
.OperationCode
= SCSIOP_REQUEST_SENSE
;
10528 cdb
->CDB6INQUIRY
.AllocationLength
= sizeof(SENSE_DATA
);
10530 KdPrint2((PRINT_PREFIX
" RequestSenseSrb %#x\n", srb
));
10533 } // end BuildRequestSenseSrb()
10535 #ifndef UNIATA_CORE
10539 AtapiRegCheckDevLunValue(
10540 IN PVOID HwDeviceExtension
,
10541 IN PCWCH NamePrefix
,
10549 ULONG val
= Default
;
10551 val
= AtapiRegCheckParameterValue(
10552 HwDeviceExtension
, NamePrefix
, Name
, val
);
10554 if(chan
!= CHAN_NOT_SPECIFIED
) {
10555 swprintf(namex
, L
"%s\\Chan_%1.1d", NamePrefix
, chan
);
10556 val
= AtapiRegCheckParameterValue(
10557 HwDeviceExtension
, namex
, Name
, val
);
10558 if(dev
!= DEVNUM_NOT_SPECIFIED
) {
10559 swprintf(namex
, L
"%s\\Chan_%1.1d\\%s", NamePrefix
, chan
, (dev
& 0x01) ? L
"Lun_1" : L
"Lun_0");
10560 val
= AtapiRegCheckParameterValue(
10561 HwDeviceExtension
, namex
, Name
, val
);
10565 } // end AtapiRegCheckDevLunValue()
10578 for(i
=0, j
=0; i
<Length
; i
++, j
++) {
10597 swprintf(Buffer
+j
, L
"%2.2x", a
);
10605 } // end EncodeVendorStr()
10609 AtapiRegCheckDevValue(
10610 IN PVOID HwDeviceExtension
,
10617 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
10618 // WCHAR name0[11];
10619 // WCHAR name1[11+4+5];
10620 // WCHAR name2[11+4+4+10];
10621 // WCHAR name3[11+4+4+5+20];
10622 // WCHAR name3[11+4+4+5+20+1];
10631 IN ULONG SlotNumber
;
10633 ULONG val
= Default
;
10635 KdPrint(( " Parameter %ws\n", Name
));
10637 if(deviceExtension
) {
10638 VendorID
= deviceExtension
->DevID
& 0xffff;
10639 DeviceID
= (deviceExtension
->DevID
>> 16) & 0xffff;
10640 SlotNumber
= deviceExtension
->slotNumber
;
10644 SlotNumber
= 0xffffffff;
10647 val
= AtapiRegCheckDevLunValue(
10648 HwDeviceExtension
, L
"Parameters", chan
, dev
, Name
, val
);
10650 if(deviceExtension
) {
10651 if(deviceExtension
->AdapterInterfaceType
== PCIBus
) {
10653 swprintf(namev
, L
"\\IDE_%d", deviceExtension
->DevIndex
);
10654 swprintf(namex
, L
"Parameters%s", namev
);
10655 val
= AtapiRegCheckDevLunValue(
10656 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10659 swprintf(namev
, L
"\\Ven_%4.4x", VendorID
);
10660 swprintf(named
, L
"\\Dev_%4.4x", DeviceID
);
10661 swprintf(names
, L
"\\Slot_%8.8x", SlotNumber
);
10663 swprintf(namex
, L
"Parameters%s", namev
);
10664 val
= AtapiRegCheckDevLunValue(
10665 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10667 swprintf(namex
, L
"Parameters%s%s", namev
, named
);
10668 val
= AtapiRegCheckDevLunValue(
10669 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10671 swprintf(namex
, L
"Parameters%s%s%s", namev
, named
, names
);
10672 val
= AtapiRegCheckDevLunValue(
10673 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10675 if(deviceExtension
->AdapterInterfaceType
== Isa
) {
10677 swprintf(namev
, L
"\\IDE_%d", deviceExtension
->DevIndex
+BMListLen
);
10678 swprintf(namex
, L
"Parameters%s", namev
);
10679 val
= AtapiRegCheckDevLunValue(
10680 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10682 swprintf(namev
, L
"\\ISA_%d", deviceExtension
->DevIndex
);
10683 swprintf(namex
, L
"Parameters%s", namev
);
10684 val
= AtapiRegCheckDevLunValue(
10685 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10688 if(deviceExtension
->AdapterInterfaceType
== MicroChannel
) {
10690 swprintf(namev
, L
"\\IDE_%d", deviceExtension
->DevIndex
+BMListLen
+IsaCount
);
10691 swprintf(namex
, L
"Parameters%s", namev
);
10692 val
= AtapiRegCheckDevLunValue(
10693 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10695 swprintf(namev
, L
"\\MCA_%d", deviceExtension
->DevIndex
);
10696 swprintf(namex
, L
"Parameters%s", namev
);
10697 val
= AtapiRegCheckDevLunValue(
10698 HwDeviceExtension
, namex
, chan
, dev
, Name
, val
);
10703 KdPrint(( " Parameter %ws = %#x\n", Name
, val
));
10706 } // end AtapiRegCheckDevValue()
10709 The user must specify that Xxx is to run on the platform
10710 by setting the registry value HKEY_LOCAL_MACHINE\System\CurrentControlSet\
10711 Services\UniATA\Xxx:REG_DWORD:Zzz.
10713 The user can override the global setting to enable or disable Xxx on a
10714 specific cdrom device by setting the key HKEY_LOCAL_MACHINE\System\
10715 CurrentControlSet\Services\UniATA\Parameters\Device<N>\Xxx:REG_DWORD to one or zero.
10717 If this registry value does not exist or contains the value zero then
10718 the timer to check for media change does not run.
10722 RegistryPath - pointer to the unicode string inside
10723 ...\CurrentControlSet\Services\UniATA
10724 DeviceNumber - The number of the HBA device object
10726 Returns: Registry Key value
10730 AtapiRegCheckParameterValue(
10731 IN PVOID HwDeviceExtension
,
10732 IN PCWSTR PathSuffix
,
10737 #define ITEMS_TO_QUERY 2 // always 1 greater than what is searched
10739 // PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension;
10741 LONG zero
= Default
;
10743 RTL_QUERY_REGISTRY_TABLE parameters
[ITEMS_TO_QUERY
];
10746 LONG doRun
= Default
;
10748 PUNICODE_STRING RegistryPath
= &SavedRegPath
;
10750 UNICODE_STRING paramPath
;
10752 // <SavedRegPath>\<PathSuffix> -> <Name>
10753 // KdPrint(( "AtapiCheckRegValue: %ws -> %ws\n", PathSuffix, Name));
10754 // KdPrint(( "AtapiCheckRegValue: RegistryPath %ws\n", RegistryPath->Buffer));
10756 paramPath
.Length
= 0;
10757 paramPath
.MaximumLength
= RegistryPath
->Length
+
10758 (wcslen(PathSuffix
)+2)*sizeof(WCHAR
);
10759 paramPath
.Buffer
= (PWCHAR
)ExAllocatePool(NonPagedPool
, paramPath
.MaximumLength
);
10760 if(!paramPath
.Buffer
) {
10761 KdPrint(("AtapiCheckRegValue: couldn't allocate paramPath\n"));
10765 RtlZeroMemory(paramPath
.Buffer
, paramPath
.MaximumLength
);
10766 RtlAppendUnicodeToString(¶mPath
, RegistryPath
->Buffer
);
10767 RtlAppendUnicodeToString(¶mPath
, L
"\\");
10768 RtlAppendUnicodeToString(¶mPath
, REGRTL_STR_PTYPE PathSuffix
);
10770 // Check for the Xxx value.
10771 RtlZeroMemory(parameters
, (sizeof(RTL_QUERY_REGISTRY_TABLE
)*ITEMS_TO_QUERY
));
10773 parameters
[0].Flags
= RTL_QUERY_REGISTRY_DIRECT
;
10774 parameters
[0].Name
= REGRTL_STR_PTYPE Name
;
10775 parameters
[0].EntryContext
= &doRun
;
10776 parameters
[0].DefaultType
= REG_DWORD
;
10777 parameters
[0].DefaultData
= &zero
;
10778 parameters
[0].DefaultLength
= sizeof(ULONG
);
10780 status
= RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE
/*| RTL_REGISTRY_OPTIONAL*/,
10781 paramPath
.Buffer
, parameters
, NULL
, NULL
);
10782 if(NT_SUCCESS(status
)) {
10783 KdPrint(( "AtapiCheckRegValue: %ws -> %ws is %#x\n", PathSuffix
, Name
, doRun
));
10786 ExFreePool(paramPath
.Buffer
);
10788 if(!NT_SUCCESS(status
)) {
10794 #undef ITEMS_TO_QUERY
10796 } // end AtapiRegCheckParameterValue()
10799 SCSI_ADAPTER_CONTROL_STATUS
10801 AtapiAdapterControl(
10802 IN PVOID HwDeviceExtension
,
10803 IN SCSI_ADAPTER_CONTROL_TYPE ControlType
,
10804 IN PVOID Parameters
10807 PHW_DEVICE_EXTENSION deviceExtension
= (PHW_DEVICE_EXTENSION
)HwDeviceExtension
;
10808 PSCSI_SUPPORTED_CONTROL_TYPE_LIST pControlTypeList
;
10809 ULONG numberChannels
= deviceExtension
->NumberChannels
;
10813 KdPrint(( "AtapiAdapterControl: %#x\n", ControlType
));
10815 switch(ControlType
) {
10816 case ScsiQuerySupportedControlTypes
: {
10817 BOOLEAN supportedTypes
[ScsiAdapterControlMax
] = {
10818 TRUE
, // ScsiQuerySupportedControlTypes
10819 TRUE
, // ScsiStopAdapter
10820 TRUE
, // ScsiRestartAdapter
10821 FALSE
, // ScsiSetBootConfig
10822 FALSE
// ScsiSetRunningConfig
10825 ULONG lim
= ScsiAdapterControlMax
;
10828 pControlTypeList
= (PSCSI_SUPPORTED_CONTROL_TYPE_LIST
) Parameters
;
10830 if(pControlTypeList
->MaxControlType
< lim
) {
10831 lim
= pControlTypeList
->MaxControlType
;
10834 for(i
= 0; i
< lim
; i
++) {
10835 pControlTypeList
->SupportedTypeList
[i
] = supportedTypes
[i
];
10841 case ScsiStopAdapter
: {
10843 KdPrint(( "AtapiAdapterControl: ScsiStopAdapter\n"));
10844 // Shut down all interrupts on the adapter. They'll get re-enabled
10845 // by the initialization routines.
10846 for (c
= 0; c
< numberChannels
; c
++) {
10847 AtapiResetController(deviceExtension
, c
);
10848 AtapiDisableInterrupts(deviceExtension
, c
);
10850 if(deviceExtension
->AdapterInterfaceType
== PCIBus
) {
10851 // we must never get here for non-PCI
10852 /*status =*/ UniataDisconnectIntr2(HwDeviceExtension
);
10853 BMList
[deviceExtension
->DevIndex
].Isr2Enable
= FALSE
;
10857 case ScsiRestartAdapter
: {
10859 KdPrint(( "AtapiAdapterControl: ScsiRestartAdapter\n"));
10860 // Enable all the interrupts on the adapter while port driver call
10861 // for power up an HBA that was shut down for power management
10863 AtapiChipInit(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, CHAN_NOT_SPECIFIED
);
10864 status
= UniataConnectIntr2(HwDeviceExtension
);
10865 if(NT_SUCCESS(status
)) {
10866 for (c
= 0; c
< numberChannels
; c
++) {
10867 AtapiChipInit(HwDeviceExtension
, DEVNUM_NOT_SPECIFIED
, c
);
10868 FindDevices(HwDeviceExtension
, 0, c
);
10869 AtapiEnableInterrupts(deviceExtension
, c
);
10870 AtapiHwInitialize__(deviceExtension
, c
);
10872 if(deviceExtension
->Isr2DevObj
) {
10873 // we must never get here for non-PCI
10874 BMList
[deviceExtension
->DevIndex
].Isr2Enable
= TRUE
;
10882 KdPrint(( "AtapiAdapterControl: default => return ScsiAdapterControlUnsuccessful\n"));
10883 return ScsiAdapterControlUnsuccessful
;
10887 return ScsiAdapterControlSuccess
;
10888 } // end AtapiAdapterControl()
10890 #endif //UNIATA_CORE
10900 #define DEBUG_MSG_BUFFER_SIZE 512
10911 UCHAR dbg_print_tmp_buff
[DEBUG_MSG_BUFFER_SIZE
];
10912 // UNICODE_STRING msgBuff;
10914 va_start(ap
, DebugMessage
);
10916 /*len =*/ _vsnprintf((PCHAR
)&dbg_print_tmp_buff
[0], DEBUG_MSG_BUFFER_SIZE
-1, DebugMessage
, ap
);
10918 dbg_print_tmp_buff
[DEBUG_MSG_BUFFER_SIZE
-1] = 0;
10920 //DbgPrint(((PCHAR)&(dbg_print_tmp_buff[0]))); // already done in KdPrint macro
10921 HalDisplayString(dbg_print_tmp_buff
);
10924 if(g_LogToDisplay
> 1) {
10925 AtapiStallExecution(g_LogToDisplay
*1000);
10931 } // end PrintNtConsole()