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Copyright (c) 2002-2018 Alexandr A. Telyatnikov (Alter)
Module Name: id_ata.cpp
Abstract: This is the miniport driver for ATA/ATAPI IDE/SATA/AHCI controllers with Busmaster DMA and Serial ATA support
Author: Alexander A. Telyatnikov (Alter)
Environment: kernel mode only
Notes:
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Revision History:
The skeleton was taken from standard ATAPI.SYS from NT4 DDK by Mike Glass (MGlass) Chuck Park (ChuckP)
Some parts of code were taken from FreeBSD 4.3-6.1 ATA driver by Søren Schmidt, Copyright (c) 1998-2007
All parts of code are significantly changed/updated by Alter, Copyright (c) 2002-2014:
1. Internal command queueing/reordering 2. Drive identification 3. Support for 2 _independent_ channels in a single PCI device 4. Smart host<->drive transfer rate slowdown (for bad cable) 5. W2k support (binary compatibility) 6. HDD hot swap under NT4 7. XP support (binary compatibility) 8. Serial ATA (SATA/SATA2/SATA3) support 9. NT 3.51 support (binary compatibility) 10. AHCI support
etc. (See todo.txt)
Licence: GPLv2
--*/
#include "stdafx.h"
#ifndef UNIATA_CORE
static const CHAR ver_string[] = "\n\nATAPI IDE MiniPort Driver (UniATA) v 0." UNIATA_VER_STR "\n";
static const CHAR uniata_comm_name[] = UNIATA_COMM_PORT_VENDOR_STR " \n";
UNICODE_STRING SavedRegPath;WCHAR SavedRegPathBuffer[256];
#endif //UNIATA_CORE
//UCHAR AtaCommands48[256];//UCHAR AtaCommandFlags[256];
ULONG SkipRaids = 1;ULONG ForceSimplex = 0;
LONGLONG g_Perf = 0;ULONG g_PerfDt = 0;
#ifdef _DEBUGULONG g_LogToDisplay = 0;#endif //_DEBUG
ULONG g_WaitBusyInISR = 1;
ULONG g_opt_WaitBusyResetCount = 10000; // 20000ULONG g_opt_WaitBusyCount = 200; // 20000ULONG g_opt_WaitBusyDelay = 10; // 150ULONG g_opt_WaitDrqDelay = 10; // 100ULONG g_opt_WaitBusyLongCount = 2000; // 2000ULONG g_opt_WaitBusyLongDelay = 250; // 250ULONG g_opt_MaxIsrWait = 40;
ULONG g_opt_DriveSelectNanoDelay = 0; // 400; // ns
BOOLEAN g_opt_AtapiSendDisableIntr = 0; // 0BOOLEAN g_opt_AtapiDmaRawRead = 1; // 0BOOLEAN g_opt_AtapiNoDma = FALSE;BOOLEAN g_opt_BochsDmaReadWorkaround = FALSE;BOOLEAN hasPCI = FALSE;
ULONG g_opt_VirtualMachine = 0; // Auto
BOOLEAN InDriverEntry = TRUE;BOOLEAN g_Dump = FALSE;
BOOLEAN g_opt_Verbose = 0;
BOOLEAN WinVer_WDM_Model = FALSE;ULONG CPU_num = 1;
//UCHAR EnableDma = FALSE;//UCHAR EnableReorder = FALSE;
UCHAR g_foo = 0;
BOOLEANNTAPIAtapiResetController__( IN PVOID HwDeviceExtension, IN ULONG PathId, IN UCHAR CompleteType );
VOIDNTAPIAtapiHwInitialize__( IN PHW_DEVICE_EXTENSION deviceExtension, IN ULONG lChannel );
VOIDNTAPIUniataUserDeviceReset( PHW_DEVICE_EXTENSION deviceExtension, PHW_LU_EXTENSION LunExt, ULONG lChannel );
#define RESET_COMPLETE_CURRENT 0x00#define RESET_COMPLETE_ALL 0x01#define RESET_COMPLETE_NONE 0x02
#ifndef UNIATA_CORE
VOIDNTAPIAtapiCallBack_X( IN PVOID HwDeviceExtension );
#ifdef UNIATA_USE_XXableInterrupts #define RETTYPE_XXableInterrupts BOOLEAN #define RETVAL_XXableInterrupts TRUE#else #define RETTYPE_XXableInterrupts VOID #define RETVAL_XXableInterrupts#endif
RETTYPE_XXableInterruptsNTAPIAtapiInterruptDpc( IN PVOID HwDeviceExtension );
RETTYPE_XXableInterruptsNTAPIAtapiEnableInterrupts__( IN PVOID HwDeviceExtension );
VOIDNTAPIAtapiQueueTimerDpc( IN PVOID HwDeviceExtension, IN ULONG lChannel, IN PHW_TIMER HwScsiTimer, IN ULONG MiniportTimerValue );
SCSI_ADAPTER_CONTROL_STATUSNTAPIAtapiAdapterControl( IN PVOID HwDeviceExtension, IN SCSI_ADAPTER_CONTROL_TYPE ControlType, IN PVOID Parameters );
#endif //UNIATA_CORE
#ifndef UNIATA_CORE
BOOLEANNTAPIAtapiRegGetStringParameterValue( IN PWSTR RegistryPath, IN PWSTR Name, IN PWCHAR Str, IN ULONG MaxLen ){#define ITEMS_TO_QUERY 2 // always 1 greater than what is searched NTSTATUS status; RTL_QUERY_REGISTRY_TABLE parameters[ITEMS_TO_QUERY]; UNICODE_STRING ustr;
ustr.Buffer = Str; ustr.Length = ustr.MaximumLength = (USHORT)MaxLen; RtlZeroMemory(parameters, (sizeof(RTL_QUERY_REGISTRY_TABLE)*ITEMS_TO_QUERY));
parameters[0].Flags = RTL_QUERY_REGISTRY_DIRECT; parameters[0].Name = Name; parameters[0].EntryContext = &ustr; parameters[0].DefaultType = REG_SZ; parameters[0].DefaultData = Str; parameters[0].DefaultLength = MaxLen;
status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE /*| RTL_REGISTRY_OPTIONAL*/, RegistryPath, parameters, NULL, NULL);
if(!NT_SUCCESS(status)) return FALSE;
return TRUE;
#undef ITEMS_TO_QUERY} // end AtapiRegGetStringParameterValue()
#endif //UNIATA_CORE
VOIDDDKFASTAPIUniataNanoSleep( ULONG nano ){ LONGLONG t; LARGE_INTEGER t0;
#ifdef NAVO_TEST return;#endif //NAVO_TEST
if(!nano || !g_Perf || !g_PerfDt) return; t = (g_Perf * nano) / g_PerfDt / 1000; if(!t) { t = 1; } do { KeQuerySystemTime(&t0); t--; } while(t);} // end UniataNanoSleep()
#define AtapiWritePortN_template(_type, _Type, sz) \VOID \DDKFASTAPI \AtapiWritePort##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port, \ IN _type data \ ) \{ \ PIORES res; \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io write request @ ch %x, res* %x\n", chan, _port)); \ return; \ } \ if(res->Proc) { \ KdPrint(("PROC io write request @ ch %x, res* %x\n", chan, _port)); \ ASSERT(FALSE); /* We should never get here */ \ } \ if(!res->MemIo) { \ ScsiPortWritePort##_Type((_type*)(ULONGIO_PTR)(res->Addr), data); \ } else { \ /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \ ScsiPortWriteRegister##_Type((_type*)(ULONG_PTR)(res->Addr), data); \ } \ return; \}
AtapiWritePortN_template(ULONG, Ulong, 4);AtapiWritePortN_template(USHORT, Ushort, 2);AtapiWritePortN_template(UCHAR, Uchar, 1);
#define AtapiWritePortExN_template(_type, _Type, sz) \VOID \DDKFASTAPI \AtapiWritePortEx##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port, \ IN ULONG offs, \ IN _type data \ ) \{ \ PIORES res; \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io write request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \ return; \ } \ if(res->Proc) { \ KdPrint(("PROC io write request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \ ASSERT(FALSE); /* We should never get here */ \ } \ if(!res->MemIo) { \ ScsiPortWritePort##_Type((_type*)(ULONGIO_PTR)(res->Addr+offs), data); \ } else { \ /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \ ScsiPortWriteRegister##_Type((_type*)(ULONG_PTR)(res->Addr+offs), data); \ } \ return; \}
AtapiWritePortExN_template(ULONG, Ulong, 4);//AtapiWritePortExN_template(USHORT, Ushort, 2);AtapiWritePortExN_template(UCHAR, Uchar, 1);
#define AtapiReadPortN_template(_type, _Type, sz) \_type \DDKFASTAPI \AtapiReadPort##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port \ ) \{ \ PIORES res; \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io read request @ ch %x, res* %x\n", chan, _port)); \ return (_type)(-1); \ } \ if(res->Proc) { \ KdPrint(("PROC io read request @ ch %x, res* %x\n", chan, _port)); \ ASSERT(FALSE); /* We should never get here */ \ } \ if(!res->MemIo) { \ /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \ return ScsiPortReadPort##_Type((_type*)(ULONGIO_PTR)(res->Addr)); \ } else { \ /*KdPrint(("r_mem @ (%x) %x\n", _port, res->Addr));*/ \ return ScsiPortReadRegister##_Type((_type*)(ULONG_PTR)(res->Addr)); \ } \}
AtapiReadPortN_template(ULONG, Ulong, 4);AtapiReadPortN_template(USHORT, Ushort, 2);AtapiReadPortN_template(UCHAR, Uchar, 1);
#define AtapiReadPortExN_template(_type, _Type, sz) \_type \DDKFASTAPI \AtapiReadPortEx##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port, \ IN ULONG offs \ ) \{ \ PIORES res; \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io read request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \ return (_type)(-1); \ } \ if(res->Proc) { \ KdPrint(("PROC io read request @ ch %x, res* %x, offs %x\n", chan, _port, offs)); \ ASSERT(FALSE); /* We should never get here */ \ } \ if(!res->MemIo) { \ return ScsiPortReadPort##_Type((_type*)(ULONGIO_PTR)(res->Addr+offs)); \ } else { \ /*KdPrint(("r_mem @ (%x) %x\n", _port, port));*/ \ return ScsiPortReadRegister##_Type((_type*)(ULONG_PTR)(res->Addr+offs)); \ } \}
AtapiReadPortExN_template(ULONG, Ulong, 4);//AtapiReadPortExN_template(USHORT, Ushort, 2);AtapiReadPortExN_template(UCHAR, Uchar, 1);
#define AtapiReadPortBufferN_template(_type, _Type, sz) \VOID \DDKFASTAPI \AtapiReadBuffer##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port, \ IN PVOID Buffer, \ IN ULONG Count, \ IN ULONG Timing \ ) \{ \ PIORES res; \ \ if(Timing) { \ while(Count) { \ (*((_type*)Buffer)) = AtapiReadPort##sz(chan, _port); \ Count--; \ Buffer = ((_type*)Buffer)+1; \ UniataNanoSleep(Timing); \ } \ return; \ } \ \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io read request @ ch %x, res* %x\n", chan, _port)); \ return; \ } \ if(!res->MemIo) { \ /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \ ScsiPortReadPortBuffer##_Type((_type*)(ULONGIO_PTR)(res->Addr), (_type*)Buffer, Count); \ return; \ } \ while(Count) { \ (*((_type*)Buffer)) = ScsiPortReadRegister##_Type((_type*)(ULONG_PTR)(res->Addr)); \ Count--; \ Buffer = ((_type*)Buffer)+1; \ } \ return; \}
#define AtapiWritePortBufferN_template(_type, _Type, sz) \VOID \DDKFASTAPI \AtapiWriteBuffer##sz( \ IN PHW_CHANNEL chan, \ IN ULONGIO_PTR _port, \ IN PVOID Buffer, \ IN ULONG Count, \ IN ULONG Timing \ ) \{ \ PIORES res; \ \ if(Timing) { \ while(Count) { \ AtapiWritePort##sz(chan, _port, *((_type*)Buffer)); \ Buffer = ((_type*)Buffer)+1; \ Count--; \ UniataNanoSleep(Timing); \ } \ return; \ } \ \ if(_port >= IDX_MAX_REG) { \ res = (PIORES)(_port); \ } else \ if(chan) { \ res = &chan->RegTranslation[_port]; \ } else { \ KdPrint(("invalid io write request @ ch %x, res* %x\n", chan, _port)); \ return; \ } \ if(!res->MemIo) { \ /*KdPrint(("r_io @ (%x) %x\n", _port, res->Addr));*/ \ ScsiPortWritePortBuffer##_Type((_type*)(ULONGIO_PTR)(res->Addr), (_type*)Buffer, Count); \ return; \ } \ while(Count) { \ ScsiPortWriteRegister##_Type((_type*)(ULONG_PTR)(res->Addr), *((_type*)Buffer)); \ Count--; \ Buffer = ((_type*)Buffer)+1; \ } \ return; \}
AtapiWritePortBufferN_template(ULONG, Ulong, 4);AtapiWritePortBufferN_template(USHORT, Ushort, 2);
AtapiReadPortBufferN_template(ULONG, Ulong, 4);AtapiReadPortBufferN_template(USHORT, Ushort, 2);
UCHARDDKFASTAPIAtapiSuckPort2( IN PHW_CHANNEL chan ){ UCHAR statusByte; ULONG i;
// Assume, proper drive is already seleted WaitOnBusyLong(chan); for (i = 0; i < 0x10000; i++) {
GetStatus(chan, statusByte); if (statusByte & IDE_STATUS_DRQ) { // Suck out any remaining bytes and throw away. AtapiReadPort2(chan, IDX_IO1_i_Data); UniataNanoSleep(PIO0_TIMING); } else { break; } } if(i) { KdPrint2((PRINT_PREFIX "AtapiSuckPort2: overrun detected (%#x words)\n", i )); } return statusByte;} // AtapiSuckPort2()
ULONGDDKFASTAPIAtapiSuckPortBuffer2( IN PHW_CHANNEL chan, IN PUSHORT Buffer, IN ULONG Count ){ UCHAR statusByte; ULONG i; USHORT data; BOOLEAN retry = FALSE;
// Assume, proper drive is already seleted WaitOnBusyLong(chan); for (i = 0; i < Count; i++) {
GetStatus(chan, statusByte); if (statusByte & IDE_STATUS_DRQ) { // Suck out any remaining bytes and throw away. data = AtapiReadPort2(chan, IDX_IO1_i_Data); (*Buffer) = data; Count--; Buffer++; UniataNanoSleep(PIO0_TIMING); retry = FALSE; } else { if(i<Count && !retry) { KdPrint2((PRINT_PREFIX " wait...\n")); WaitForDrq(chan); retry = TRUE; } break; } } if(i) { KdPrint2((PRINT_PREFIX "AtapiSuckPortBuffer2: %#x words\n", i )); if(i==Count) { AtapiSuckPort2(chan); } } return i;} // AtapiSuckPortBuffer2()
#ifdef __REACTOS__VOIDDDKFASTAPIFillDeviceIdentificationString( IN OUT PINQUIRYDATA InquiryData, IN PIDENTIFY_DATA2 IdentifyData){ ULONG i; ULONG IdentifierLen, FirstWordLen;
/* We need to copy a field which is 20 chars long to two fields which are 8+16 bytes long (VendorId + ProductId) * Note that a space will be added between those fields when displaying them. * => Try to split identifier on space char. */
#define IDENTIFIER_LETTER(Identifier, i) (((PUCHAR)Identifier)[(i) ^ 1])
for (IdentifierLen = 20; IdentifierLen > 0 && IDENTIFIER_LETTER(IdentifyData->ModelNumber, IdentifierLen - 1) == ' '; IdentifierLen--) ;
/* Strategy 1: copy first word to VendorId if len <= 8. Copy other chars to ProductId */ for (FirstWordLen = 0; IDENTIFIER_LETTER(IdentifyData->ModelNumber, FirstWordLen) != ' ' && FirstWordLen < IdentifierLen; FirstWordLen++) ; if (FirstWordLen <= 8) { for (i = 0; i < FirstWordLen; i++) InquiryData->VendorId[i] = IDENTIFIER_LETTER(IdentifyData->ModelNumber, i); for (i = FirstWordLen + 1; i < IdentifierLen; i++) InquiryData->ProductId[i - FirstWordLen - 1] = IDENTIFIER_LETTER(IdentifyData->ModelNumber, i); return; }
/* Strategy 2: copy everything to ProductId */ if (IdentifierLen <= 16) { for (i = 0; i < IdentifierLen; i++) InquiryData->ProductId[i] = IDENTIFIER_LETTER(IdentifyData->ModelNumber, i); return; }
/* Strategy 3: copy first to VendorId, then to ProductId */ for (i = 0; i < 24; i += 2) MOV_DW_SWP(InquiryData->DeviceIdentificationString[i], ((PUCHAR)IdentifyData->ModelNumber)[i]);}#endif
UCHARDDKFASTAPISelectDrive( IN PHW_CHANNEL chan, IN ULONG DeviceNumber ){ if(!chan) { return 0; }/* if(chan->lun[DeviceNumber] && (chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_ATAPI_CHANGER)) { KdPrint3((" Select %d\n", DeviceNumber)); }*/ if(chan->last_devsel == DeviceNumber) { //KdPrint3((" Selected %d\n", DeviceNumber)); return 1; } AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, DeviceNumber ? IDE_DRIVE_SELECT_2 : IDE_DRIVE_SELECT_1); \ chan->last_devsel = DeviceNumber ? 1 : 0; if(!g_opt_DriveSelectNanoDelay) { //KdPrint3((" Select %d\n", DeviceNumber)); return 2; } //KdPrint3((" Select %d (%d ns)\n", DeviceNumber, g_opt_DriveSelectNanoDelay)); UniataNanoSleep(g_opt_DriveSelectNanoDelay); return 2;} // end SelectDrive()
UCHARDDKFASTAPIWaitOnBusy( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status;
GetStatus(chan, Status); for (i=0; i<g_opt_WaitBusyCount; i++) { if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(g_opt_WaitBusyDelay); GetStatus(chan, Status); continue; } else { break; } } return Status;} // end WaitOnBusy()
UCHARDDKFASTAPIWaitOnBusyLong( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status;
Status = WaitOnBusy(chan); if(!(Status & IDE_STATUS_BUSY)) return Status; for (i=0; i<g_opt_WaitBusyLongCount; i++) { GetStatus(chan, Status); if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(g_opt_WaitBusyLongDelay); continue; } else { break; } } return Status;} // end WaitOnBusyLong()
UCHARDDKFASTAPIWaitOnBaseBusy( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status = IDE_STATUS_WRONG; for (i=0; i<g_opt_WaitBusyCount; i++) { GetBaseStatus(chan, Status); if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(g_opt_WaitBusyDelay); continue; } else { break; } } return Status;} // end WaitOnBaseBusy()
UCHARDDKFASTAPIWaitOnBaseBusyLong( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status;
Status = WaitOnBaseBusy(chan); if(!(Status & IDE_STATUS_BUSY)) return Status; for (i=0; i<2000; i++) { GetBaseStatus(chan, Status); if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(250); continue; } else { break; } } return Status;} // end WaitOnBaseBusyLong()
UCHARDDKFASTAPIUniataIsIdle( IN struct _HW_DEVICE_EXTENSION* deviceExtension, IN UCHAR Status ){ UCHAR Status2;
if(Status == IDE_STATUS_WRONG) { return IDE_STATUS_WRONG; } if(Status & IDE_STATUS_BUSY) { return Status; }// if(deviceExtension->HwFlags & UNIATA_SATA) { if(UniataIsSATARangeAvailable(deviceExtension, 0)) { if(Status & (IDE_STATUS_BUSY | IDE_STATUS_ERROR)) { return Status; } } else { Status2 = Status & ~(IDE_STATUS_ERROR | IDE_STATUS_INDEX); if ((Status & IDE_STATUS_BUSY) || (Status2 != IDE_STATUS_IDLE && Status2 != IDE_STATUS_DRDY)) { return Status; } } return IDE_STATUS_IDLE;} // end UniataIsIdle()
UCHARDDKFASTAPIWaitForIdleLong( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status; UCHAR Status2; for (i=0; i<20000; i++) { GetStatus(chan, Status); Status2 = UniataIsIdle(chan->DeviceExtension, Status); if(Status2 == IDE_STATUS_WRONG) { // no drive ? break; } else if(Status2 & IDE_STATUS_BUSY) { AtapiStallExecution(10); continue; } else { break; } } return Status;} // end WaitForIdleLong()
UCHARDDKFASTAPIWaitForDrq( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status; for (i=0; i<1000; i++) { GetStatus(chan, Status); if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(g_opt_WaitDrqDelay); } else if (Status & IDE_STATUS_DRQ) { break; } else { AtapiStallExecution(g_opt_WaitDrqDelay*2); } } return Status;} // end WaitForDrq()
UCHARDDKFASTAPIWaitShortForDrq( IN PHW_CHANNEL chan ){ ULONG i; UCHAR Status; for (i=0; i<2; i++) { GetStatus(chan, Status); if (Status & IDE_STATUS_BUSY) { AtapiStallExecution(g_opt_WaitDrqDelay); } else if (Status & IDE_STATUS_DRQ) { break; } else { AtapiStallExecution(g_opt_WaitDrqDelay); } } return Status;} // end WaitShortForDrq()
VOIDDDKFASTAPIAtapiSoftReset( IN PHW_CHANNEL chan, IN ULONG DeviceNumber ){ //ULONG c = chan->lChannel; ULONG i = 30 * 1000; UCHAR dma_status = 0; KdPrint2((PRINT_PREFIX "AtapiSoftReset:\n")); UCHAR statusByte0, statusByte2;
if(chan->DeviceExtension->HwFlags & UNIATA_AHCI) { UniataAhciSoftReset(chan->DeviceExtension, chan->lChannel, DeviceNumber); return; }
GetBaseStatus(chan, statusByte2); KdPrint2((PRINT_PREFIX " statusByte2 %x:\n", statusByte2)); SelectDrive(chan, DeviceNumber); if(chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_MANUAL_CHS) { // For ESDI/MFM KdPrint2((PRINT_PREFIX " ESDI/MFM\n")); AtapiStallExecution(10000); for (i = 0; i < 1000; i++) { AtapiStallExecution(999); }/* } else // Seems to be unnecessary, verified by KtP if(!hasPCI) { // original atapi.sys behavior for old ISA-only hardware AtapiStallExecution(10000); AtapiWritePort1(chan, IDX_IO1_o_Command, IDE_COMMAND_ATAPI_RESET); for (i = 0; i < 1000; i++) { AtapiStallExecution(999); } */ } else { AtapiStallExecution(500); GetBaseStatus(chan, statusByte2); statusByte0 = statusByte2; AtapiWritePort1(chan, IDX_IO1_o_Command, IDE_COMMAND_ATAPI_RESET);
// Do not wait for BUSY assertion if it was initially set, jump to // BUSY release wait loop if(!(statusByte0 & IDE_STATUS_BUSY)) { // Wait for BUSY assertion, in some cases delay may occure // 100ms should be enough if(g_opt_VirtualMachine == VM_BOCHS) { i = 100; } else { i = 10*1000; } statusByte2 = AtapiReadPort1(chan, IDX_IO1_i_Status); while (!(statusByte2 & IDE_STATUS_BUSY) && i--) { if(!(statusByte0 & IDE_STATUS_ERROR) && (statusByte2 & IDE_STATUS_ERROR)) { KdPrint2((PRINT_PREFIX " Command aborted, statusByte2 %x:\n", statusByte2)); break; } AtapiStallExecution(10); } }
i = 30 * 1000; // ReactOS modification: Already stop looping when we know that the drive has finished resetting. // Not all controllers clear the IDE_STATUS_BUSY flag (e.g. not the VMware one), so ensure that // the maximum waiting time (30 * i = 0.9 seconds) does not exceed the one of the original // implementation. (which is around 1 second) while ((AtapiReadPort1(chan, IDX_IO1_i_Status) & IDE_STATUS_BUSY) && i--) { AtapiStallExecution(30); } KdPrint2((PRINT_PREFIX " set DFLAGS_REINIT_DMA\n")); chan->lun[DeviceNumber]->DeviceFlags |= DFLAGS_REINIT_DMA; }
chan->last_devsel = -1; // make sure proper drive would be selected SelectDrive(chan, DeviceNumber); WaitOnBusy(chan); GetBaseStatus(chan, statusByte2); AtapiStallExecution(500);
GetBaseStatus(chan, statusByte2); if(chan && chan->DeviceExtension) { dma_status = GetDmaStatus(chan->DeviceExtension, chan->lChannel); KdPrint2((PRINT_PREFIX " DMA status %#x\n", dma_status)); } else { KdPrint2((PRINT_PREFIX " can't get DMA status\n")); } if(dma_status & BM_STATUS_INTR) { // bullshit, we have DMA interrupt, but had never initiate DMA operation KdPrint2((PRINT_PREFIX " clear unexpected DMA intr on ATAPI reset\n")); AtapiDmaDone(chan->DeviceExtension, DeviceNumber, chan->lChannel, NULL); GetBaseStatus(chan, statusByte2); } if(chan->DeviceExtension->HwFlags & UNIATA_SATA) { UniataSataClearErr(chan->DeviceExtension, chan->lChannel, UNIATA_SATA_IGNORE_CONNECT, DeviceNumber);/* if(!(chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE)) { UniataSataClearErr(chan->DeviceExtension, chan->lChannel, UNIATA_SATA_IGNORE_CONNECT, 1); }*/ } return;
} // end AtapiSoftReset()
VOIDDDKFASTAPIAtapiHardReset( IN struct _HW_CHANNEL* chan, IN BOOLEAN DisableInterrupts, IN ULONG Delay ){ KdPrint2((PRINT_PREFIX "AtapiHardReset: %d, dis=%d\n", Delay, DisableInterrupts)); AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_RESET_CONTROLLER | (DisableInterrupts ? IDE_DC_DISABLE_INTERRUPTS : 0)); chan->last_devsel = -1; AtapiStallExecution(Delay); AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_REENABLE_CONTROLLER);} // end AtapiHardReset()
/* Send command to device. Translate to 48-Lba form if required*/UCHARNTAPIAtaCommand48( IN PHW_DEVICE_EXTENSION deviceExtension, IN ULONG DeviceNumber, IN ULONG lChannel, IN UCHAR command, IN ULONGLONG lba, IN USHORT count, IN USHORT feature, IN ULONG wait_flags ){ PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); UCHAR statusByte; ULONG i; PUCHAR plba;
KdPrint2((PRINT_PREFIX "AtaCommand48: cntrlr %#x:%#x dev %#x, cmd %#x, lba %#I64x count %#x feature %#x\n", deviceExtension->DevIndex, deviceExtension->Channel, DeviceNumber, command, lba, count, feature ));
if(deviceExtension->HwFlags & UNIATA_AHCI) { //PIDE_AHCI_CMD AHCI_CMD = &(chan->AhciCtlBlock->cmd);
KdPrint3((" (ahci)\n"));
statusByte = UniataAhciSendPIOCommand(deviceExtension, lChannel, DeviceNumber, (PSCSI_REQUEST_BLOCK)NULL, NULL, 0, command, lba, count, feature, 0 /* ahci flags */ , wait_flags, 1000 /* timeout 1 sec */ );
return statusByte; }
SelectDrive(chan, DeviceNumber);
statusByte = WaitOnBusy(chan);
/* ready to issue command ? */ if (statusByte & IDE_STATUS_BUSY) { KdPrint2((PRINT_PREFIX " Returning BUSY status\n")); return statusByte; } // !!! We should not check ERROR condition here // ERROR bit may be asserted durring previous operation // and not cleared after SELECT
//>>>>>> NV: 2006/08/03 if(((AtaCommandFlags[command] & (ATA_CMD_FLAG_LBAIOsupp|ATA_CMD_FLAG_FUA)) == ATA_CMD_FLAG_LBAIOsupp) && CheckIfBadBlock(chan->lun[DeviceNumber], lba, count)) { KdPrint3((PRINT_PREFIX ": artificial bad block, lba %#I64x count %#x\n", lba, count)); return IDE_STATUS_ERROR; //return SRB_STATUS_ERROR; } //<<<<<< NV: 2006/08/03
/* only use 48bit addressing if needed because of the overhead */ if (UniAta_need_lba48(command, lba, count, chan->lun[DeviceNumber]->IdentifyData.FeaturesSupport.Address48)) {
KdPrint2((PRINT_PREFIX " dev %#x USE_LBA_48\n", DeviceNumber )); /* translate command into 48bit version */ if(AtaCommandFlags[command] & ATA_CMD_FLAG_48supp) { command = AtaCommands48[command]; } else { KdPrint2((PRINT_PREFIX " unhandled LBA48 command\n")); return (UCHAR)-1; }
chan->ChannelCtrlFlags |= CTRFLAGS_LBA48; plba = (PUCHAR)&lba;
AtapiWritePort1(chan, IDX_IO1_o_Feature, (UCHAR)(feature>>8)); AtapiWritePort1(chan, IDX_IO1_o_Feature, (UCHAR)feature); AtapiWritePort1(chan, IDX_IO1_o_BlockCount, (UCHAR)(count>>8)); AtapiWritePort1(chan, IDX_IO1_o_BlockCount, (UCHAR)count); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, (UCHAR)(plba[3])); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, (UCHAR)(plba[0])); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, (UCHAR)(plba[4])); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, (UCHAR)(plba[1])); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, (UCHAR)(plba[5])); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, (UCHAR)(plba[2]));
//KdPrint2((PRINT_PREFIX "AtaCommand48: dev %#x USE_LBA48 (2)\n", DeviceNumber )); AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, IDE_USE_LBA | (DeviceNumber ? IDE_DRIVE_2 : IDE_DRIVE_1) ); } else {
plba = (PUCHAR)&lba; //ktp chan->ChannelCtrlFlags &= ~CTRFLAGS_LBA48;
//if(feature || // (chan->lun[DeviceNumber]->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_TAPE_DEVICE | DFLAGS_LBA_ENABLED))) { AtapiWritePort1(chan, IDX_IO1_o_Feature, (UCHAR)feature); //} AtapiWritePort1(chan, IDX_IO1_o_BlockCount, (UCHAR)count); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, (UCHAR)plba[0]); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, (UCHAR)plba[1]); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, (UCHAR)plba[2]); if(chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_LBA_ENABLED) { //KdPrint2((PRINT_PREFIX "AtaCommand28: dev %#x USE_LBA\n", DeviceNumber )); AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, (UCHAR)(plba[3] & 0xf) | IDE_USE_LBA | (DeviceNumber ? IDE_DRIVE_SELECT_2 : IDE_DRIVE_SELECT_1) ); } else { //KdPrint2((PRINT_PREFIX "AtaCommand28: dev %#x USE_CHS\n", DeviceNumber )); AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, (UCHAR)(plba[3] & 0xf) | (DeviceNumber ? IDE_DRIVE_SELECT_2 : IDE_DRIVE_SELECT_1) ); } }
// write command code to device AtapiWritePort1(chan, IDX_IO1_o_Command, command);
switch (wait_flags) { case ATA_WAIT_INTR:
// caller requested wait for interrupt for(i=0;i<4;i++) { WaitOnBusy(chan); statusByte = WaitForDrq(chan); if (statusByte & IDE_STATUS_DRQ) break; AtapiStallExecution(500); KdPrint2((PRINT_PREFIX " retry waiting DRQ, status %#x\n", statusByte)); }
return statusByte;
case ATA_WAIT_IDLE:
// caller requested wait for entering Wait state for (i=0; i<30 * 1000; i++) {
GetStatus(chan, statusByte); statusByte = UniataIsIdle(deviceExtension, statusByte); if(statusByte == IDE_STATUS_WRONG) { // no drive ? break; } else if(statusByte & IDE_STATUS_ERROR) { break; } else if(statusByte & IDE_STATUS_BUSY) { AtapiStallExecution(100); continue; } else if((statusByte & ~IDE_STATUS_INDEX) == IDE_STATUS_IDLE) { break; } else { //if(deviceExtension->HwFlags & UNIATA_SATA) { if(UniataIsSATARangeAvailable(deviceExtension, lChannel)) { break; } AtapiStallExecution(100); } } //statusByte |= IDE_STATUS_BUSY; break;
case ATA_WAIT_READY: statusByte = WaitOnBusyLong(chan); break; case ATA_WAIT_BASE_READY: statusByte = WaitOnBaseBusyLong(chan); break; case ATA_IMMEDIATE: GetStatus(chan, statusByte); if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX " Warning: Immed Status %#x :(\n", statusByte)); if(statusByte == (IDE_STATUS_IDLE | IDE_STATUS_ERROR)) { break; } KdPrint2((PRINT_PREFIX " try to continue\n")); statusByte &= ~IDE_STATUS_ERROR;
} else { //KdPrint2((PRINT_PREFIX " send Status %#x\n", statusByte)); } UniataExpectChannelInterrupt(chan, TRUE); // !!!!! InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
statusByte = IDE_STATUS_SUCCESS; break; }
//KdPrint2((PRINT_PREFIX " Status %#x\n", statusByte));
return statusByte;} // end AtaCommand48()
/* Send command to device. This is simply wrapper for AtaCommand48()*/UCHARNTAPIAtaCommand( IN PHW_DEVICE_EXTENSION deviceExtension, IN ULONG DeviceNumber, IN ULONG lChannel, IN UCHAR command, IN USHORT cylinder, IN UCHAR head, IN UCHAR sector, IN UCHAR count, IN UCHAR feature, IN ULONG wait_flags ){ if(!(deviceExtension->HwFlags & UNIATA_AHCI)) { return AtaCommand48(deviceExtension, DeviceNumber, lChannel, command, (ULONG)sector | ((ULONG)cylinder << 8) | ((ULONG)(head & 0x0f) << 24), count, feature, wait_flags); } else { return UniataAhciSendPIOCommand(deviceExtension, lChannel, DeviceNumber, (PSCSI_REQUEST_BLOCK)NULL, NULL, 0, command, (ULONG)sector | ((ULONG)cylinder << 8) | ((ULONG)(head & 0x0f) << 24), count, feature, 0 /* ahci flags */ , wait_flags, 1000 /* timeout 1 sec */ );
}} // end AtaCommand()
LONGNTAPIAtaPio2Mode(LONG pio){ switch (pio) { default: return ATA_PIO; case 0: return ATA_PIO0; case 1: return ATA_PIO1; case 2: return ATA_PIO2; case 3: return ATA_PIO3; case 4: return ATA_PIO4; case 5: return ATA_PIO5; }} // end AtaPio2Mode()
LONGNTAPIAtaPioMode(PIDENTIFY_DATA2 ident){ if (ident->PioTimingsValid) { if (ident->AdvancedPIOModes & AdvancedPIOModes_5) return 5; if (ident->AdvancedPIOModes & AdvancedPIOModes_4) return 4; if (ident->AdvancedPIOModes & AdvancedPIOModes_3) return 3; } if (ident->PioCycleTimingMode == 2) return 2; if (ident->PioCycleTimingMode == 1) return 1; if (ident->PioCycleTimingMode == 0) return 0; return IOMODE_NOT_SPECIFIED;} // end AtaPioMode()
LONGNTAPIAtaWmode(PIDENTIFY_DATA2 ident){ if (ident->MultiWordDMASupport & 0x04) return 2; if (ident->MultiWordDMASupport & 0x02) return 1; if (ident->MultiWordDMASupport & 0x01) return 0; return IOMODE_NOT_SPECIFIED;} // end AtaWmode()
LONGNTAPIAtaUmode(PIDENTIFY_DATA2 ident){ if (!ident->UdmaModesValid) return IOMODE_NOT_SPECIFIED; if (ident->UltraDMASupport & 0x40) return 6; if (ident->UltraDMASupport & 0x20) return 5; if (ident->UltraDMASupport & 0x10) return 4; if (ident->UltraDMASupport & 0x08) return 3; if (ident->UltraDMASupport & 0x04) return 2; if (ident->UltraDMASupport & 0x02) return 1; if (ident->UltraDMASupport & 0x01) return 0; return IOMODE_NOT_SPECIFIED;} // end AtaUmode()
LONGNTAPIAtaSAmode(PIDENTIFY_DATA2 ident) { if(!ident->SataCapabilities || ident->SataCapabilities == 0xffff) { return IOMODE_NOT_SPECIFIED; } if(ident->SataCapabilities & ATA_SATA_GEN3) { return ATA_SA600; } else if(ident->SataCapabilities & ATA_SATA_GEN2) { return ATA_SA300; } else if(ident->SataCapabilities & ATA_SATA_GEN1) { return ATA_SA150; } return IOMODE_NOT_SPECIFIED;} // end AtaSAmode()
#ifndef UNIATA_CORE
VOIDNTAPIAtapiTimerDpc( IN PVOID HwDeviceExtension ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_TIMER HwScsiTimer; LARGE_INTEGER time; ULONG MiniportTimerValue; BOOLEAN recall = FALSE; ULONG lChannel; PHW_CHANNEL chan;
KdPrint2((PRINT_PREFIX "AtapiTimerDpc:\n"));
lChannel = deviceExtension->ActiveDpcChan = deviceExtension->FirstDpcChan; if(lChannel == CHAN_NOT_SPECIFIED) { KdPrint2((PRINT_PREFIX "AtapiTimerDpc: no items\n")); return; } chan = &(deviceExtension->chan[lChannel]);
while(TRUE) {
HwScsiTimer = chan->HwScsiTimer; chan->HwScsiTimer = NULL;
deviceExtension->FirstDpcChan = chan->NextDpcChan; if(deviceExtension->FirstDpcChan != CHAN_NOT_SPECIFIED) { recall = TRUE; }
HwScsiTimer(HwDeviceExtension);
chan->NextDpcChan = CHAN_NOT_SPECIFIED;
lChannel = deviceExtension->ActiveDpcChan = deviceExtension->FirstDpcChan; if(lChannel == CHAN_NOT_SPECIFIED) { KdPrint2((PRINT_PREFIX "AtapiTimerDpc: no more items\n")); deviceExtension->FirstDpcChan = deviceExtension->ActiveDpcChan = CHAN_NOT_SPECIFIED; return; }
KeQuerySystemTime(&time); KdPrint2((PRINT_PREFIX "AtapiTimerDpc: KeQuerySystemTime=%#x%#x\n", time.HighPart, time.LowPart));
chan = &deviceExtension->chan[lChannel]; if(time.QuadPart >= chan->DpcTime - 10) { // call now KdPrint2((PRINT_PREFIX "AtapiTimerDpc: get next DPC, DpcTime1=%#x%#x\n", (ULONG)(chan->DpcTime >> 32), (ULONG)(chan->DpcTime))); continue; } break; }
if(recall) { deviceExtension->ActiveDpcChan = CHAN_NOT_SPECIFIED; MiniportTimerValue = (ULONG)(time.QuadPart - chan->DpcTime)/10; if(!MiniportTimerValue) MiniportTimerValue = 1;
KdPrint2((PRINT_PREFIX "AtapiTimerDpc: recall AtapiTimerDpc\n")); ScsiPortNotification(RequestTimerCall, HwDeviceExtension, AtapiTimerDpc, MiniportTimerValue ); } return;
} // end AtapiTimerDpc()
/* Wrapper for ScsiPort, that implements smart Dpc queueing. We need it to allow parallel functioning of IDE channels with shared interrupt. Standard Dpc mechanism cancels previous Dpc request (if any), but we need Dpc queue.*/VOIDNTAPIAtapiQueueTimerDpc( IN PVOID HwDeviceExtension, IN ULONG lChannel, IN PHW_TIMER HwScsiTimer, IN ULONG MiniportTimerValue ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; LARGE_INTEGER time; LARGE_INTEGER time2; ULONG i; PHW_CHANNEL prev_chan; PHW_CHANNEL chan;// BOOLEAN UseRequestTimerCall = TRUE;
KdPrint2((PRINT_PREFIX "AtapiQueueTimerDpc: dt=%d for lChn %#x\n", MiniportTimerValue, lChannel)); KeQuerySystemTime(&time); time2 = time; KdPrint2((PRINT_PREFIX "AtapiQueueTimerDpc: KeQuerySystemTime=%#x%#x\n", time.HighPart, time.LowPart)); time.QuadPart += MiniportTimerValue*10; KdPrint2((PRINT_PREFIX "AtapiQueueTimerDpc: KeQuerySystemTime2=%#x%#x\n", time.HighPart, time.LowPart));
KdPrint2((PRINT_PREFIX " ActiveDpcChan=%d, FirstDpcChan=%d\n", deviceExtension->ActiveDpcChan, deviceExtension->FirstDpcChan));
i = deviceExtension->FirstDpcChan; chan = prev_chan = NULL; while(i != CHAN_NOT_SPECIFIED) { prev_chan = chan; chan = &(deviceExtension->chan[i]); if(chan->DpcTime > time.QuadPart) { break; } i = chan->NextDpcChan; } chan = &(deviceExtension->chan[lChannel]); if(!prev_chan) { deviceExtension->FirstDpcChan = lChannel; } else { prev_chan->NextDpcChan = lChannel; } chan->NextDpcChan = i; chan->HwScsiTimer = HwScsiTimer; chan->DpcTime = time.QuadPart;
KdPrint2((PRINT_PREFIX "AtapiQueueTimerDpc: KeQuerySystemTime3=%#x%#x\n", time2.HighPart, time2.LowPart)); if(time.QuadPart <= time2.QuadPart) { MiniportTimerValue = 1; } else { MiniportTimerValue = (ULONG)((time.QuadPart - time2.QuadPart) / 10); }
KdPrint2((PRINT_PREFIX "AtapiQueueTimerDpc: dt=%d for lChn %#x\n", MiniportTimerValue, lChannel)); ScsiPortNotification(RequestTimerCall, HwDeviceExtension, AtapiTimerDpc, MiniportTimerValue);
} // end AtapiQueueTimerDpc()
#endif //UNIATA_CORE
#ifdef _DEBUGVOIDNTAPIUniataDumpATARegs( IN PHW_CHANNEL chan ){ ULONG j; UCHAR statusByteAlt;
GetStatus(chan, statusByteAlt); KdPrint2((PRINT_PREFIX " AltStatus (%#x)\n", statusByteAlt));
for(j=1; j<IDX_IO1_SZ; j++) { statusByteAlt = AtapiReadPort1(chan, IDX_IO1+j); KdPrint2((PRINT_PREFIX " Reg_%#x (%#x) = %#x\n", j, chan->RegTranslation[IDX_IO1+j].Addr, statusByteAlt)); } if(!chan->RegTranslation[IDX_BM_IO].Addr) { return; } for(j=0; j<IDX_BM_IO_SZ-1; j++) { statusByteAlt = AtapiReadPort1(chan, IDX_BM_IO+j); KdPrint2((PRINT_PREFIX " BM_%#x (%#x) = %#x\n", j, chan->RegTranslation[IDX_BM_IO+j].Addr, statusByteAlt)); } return;} // end UniataDumpATARegs()#endif //_DEBUG
VOIDNTAPIUniataSnapAtaRegs( IN PHW_CHANNEL chan, IN ULONG DeviceNumber, IN OUT PIDEREGS_EX regs ){ if(chan->DeviceExtension->HwFlags & UNIATA_AHCI) { // AHCI UniataAhciSnapAtaRegs(chan, DeviceNumber, regs); } else { // SATA/PATA, assume drive is selected ULONG j; UCHAR statusByteAlt;
if((regs->bOpFlags & ATA_FLAGS_48BIT_COMMAND) == 0) { for(j=IDX_IO1_i_Error; j<=IDX_IO1_i_Status; j++) { statusByteAlt = AtapiReadPort1(chan, IDX_IO1+j); ((PUCHAR)regs)[j-1] = statusByteAlt; } regs->bOpFlags = 0; } else { regs->bDriveHeadReg = AtapiReadPort1(chan, IDX_IO1_i_DriveSelect); for(j=IDX_IO1_i_Error; j<IDX_IO1_i_DriveSelect; j++) { statusByteAlt = AtapiReadPort1(chan, IDX_IO1+j); ((PUCHAR)regs)[j-1] = statusByteAlt; statusByteAlt = AtapiReadPort1(chan, IDX_IO1+j); ((PUCHAR)regs)[j+8-1] = statusByteAlt; } regs->bCommandReg = AtapiReadPort1(chan, IDX_IO1_i_Status); } } return;} // end UniataSnapAtaRegs()
/*++
Routine Description:
Issue IDENTIFY command to a device.
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage DeviceNumber - Indicates which device. Command - Either the standard (EC) or the ATAPI packet (A1) IDENTIFY.
Return Value:
TRUE if all goes well.
--*/BOOLEANNTAPIIssueIdentify( IN PVOID HwDeviceExtension, IN ULONG DeviceNumber, IN ULONG lChannel, IN UCHAR Command, IN BOOLEAN NoSetup ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); ULONG waitCount = 50000; ULONG j; UCHAR statusByte; //UCHAR statusByte2; UCHAR signatureLow, signatureHigh; BOOLEAN atapiDev = FALSE; BOOLEAN use_ahci = FALSE; PHW_LU_EXTENSION LunExt = chan->lun[DeviceNumber];
use_ahci = UniataIsSATARangeAvailable(deviceExtension, lChannel) && (deviceExtension->HwFlags & UNIATA_AHCI);
if(chan->ChannelCtrlFlags & CTRFLAGS_AHCI_PM) { if(chan->PmLunMap & (1 << DeviceNumber)) { // OK } else { KdPrint2((PRINT_PREFIX "IssueIdentify: PM empty port\n")); return FALSE; } } else if(DeviceNumber && (chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE)) { KdPrint2((PRINT_PREFIX "IssueIdentify: NO SLAVE\n")); return FALSE; } if(LunExt->DeviceFlags & DFLAGS_HIDDEN) { KdPrint2((PRINT_PREFIX "IssueIdentify: HIDDEN\n")); return FALSE; }
if(use_ahci) { statusByte = WaitOnBusyLong(chan);#ifdef _DEBUG if(!chan->AhciInternalAtaReq) { KdPrint2((PRINT_PREFIX "!AhciInternalAtaReq\n")); }#endif } else { SelectDrive(chan, DeviceNumber); AtapiStallExecution(10); statusByte = WaitOnBusyLong(chan); // Check that the status register makes sense. GetBaseStatus(chan, statusByte); /* // unnecessary if(!hasPCI) { // original atapi.sys behavior for old ISA-only hardware AtapiStallExecution(100); } */ }
if (Command == IDE_COMMAND_IDENTIFY) { // Mask status byte ERROR bits. statusByte = UniataIsIdle(deviceExtension, statusByte & ~(IDE_STATUS_ERROR | IDE_STATUS_INDEX)); KdPrint2((PRINT_PREFIX "IssueIdentify: Checking for IDE. Status (%#x)\n", statusByte)); // Check if register value is reasonable.
if(statusByte != IDE_STATUS_IDLE) {
// No reset here !!! KdPrint2((PRINT_PREFIX "IssueIdentify: statusByte != IDE_STATUS_IDLE\n"));
//if(!(deviceExtension->HwFlags & UNIATA_SATA)) { if(!UniataIsSATARangeAvailable(deviceExtension, lChannel)) { SelectDrive(chan, DeviceNumber); WaitOnBusyLong(chan);
signatureLow = AtapiReadPort1(chan, IDX_IO1_i_CylinderLow); signatureHigh = AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh);
if (signatureLow == ATAPI_MAGIC_LSB && signatureHigh == ATAPI_MAGIC_MSB) { // Device is Atapi. KdPrint2((PRINT_PREFIX "IssueIdentify: this is ATAPI (dev %d)\n", DeviceNumber)); return FALSE; }
// We really should wait up to 31 seconds // The ATA spec. allows device 0 to come back from BUSY in 31 seconds! // (30 seconds for device 1) do { // Wait for Busy to drop. AtapiStallExecution(100); GetStatus(chan, statusByte); if(statusByte == IDE_STATUS_WRONG) { KdPrint2((PRINT_PREFIX "IssueIdentify: IDE_STATUS_WRONG (dev %d)\n", DeviceNumber)); return FALSE; }
} while ((statusByte & IDE_STATUS_BUSY) && waitCount--); GetBaseStatus(chan, statusByte);
SelectDrive(chan, DeviceNumber); } else { GetBaseStatus(chan, statusByte); } // Another check for signature, to deal with one model Atapi that doesn't assert signature after // a soft reset. signatureLow = AtapiReadPort1(chan, IDX_IO1_i_CylinderLow); signatureHigh = AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh);
if (signatureLow == ATAPI_MAGIC_LSB && signatureHigh == ATAPI_MAGIC_MSB) { KdPrint2((PRINT_PREFIX "IssueIdentify: this is ATAPI (2) (dev %d)\n", DeviceNumber)); // Device is Atapi. return FALSE; }
statusByte = UniataIsIdle(deviceExtension, statusByte) & ~IDE_STATUS_INDEX; if (statusByte != IDE_STATUS_IDLE) { // Give up on this. KdPrint2((PRINT_PREFIX "IssueIdentify: no dev (dev %d)\n", DeviceNumber)); return FALSE; } } } else { KdPrint2((PRINT_PREFIX "IssueIdentify: Checking for ATAPI. Status (%#x)\n", statusByte)); if(statusByte == IDE_STATUS_WRONG) { return FALSE; } //if(!(deviceExtension->HwFlags & UNIATA_SATA)) { if(!UniataIsSATARangeAvailable(deviceExtension, lChannel)) { statusByte = WaitForIdleLong(chan); KdPrint2((PRINT_PREFIX "IssueIdentify: Checking for ATAPI (2). Status (%#x)\n", statusByte)); } atapiDev = TRUE; }
// if(deviceExtension->HwFlags & UNIATA_SATA) { if(use_ahci) { statusByte = UniataAhciSendPIOCommand(HwDeviceExtension, lChannel, DeviceNumber, (PSCSI_REQUEST_BLOCK)NULL, (PUCHAR)(&deviceExtension->FullIdentifyData), DEV_BSIZE, Command, 0, 0, 0, 0 /* ahci flags */ , ATA_WAIT_INTR, 1000 /* timeout 1 sec */ ); j = 9; // AHCI is rather different, skip loop at all } else if(LunExt->DeviceFlags & DFLAGS_MANUAL_CHS) { j = 9; // don't send IDENTIFY, assume it is not supported KdPrint2((PRINT_PREFIX "IssueIdentify: Manual CHS\n")); RtlZeroMemory(&(deviceExtension->FullIdentifyData), sizeof(deviceExtension->FullIdentifyData)); RtlCopyMemory(&(deviceExtension->FullIdentifyData), &(LunExt->IdentifyData), sizeof(LunExt->IdentifyData)); } else if(UniataIsSATARangeAvailable(deviceExtension, lChannel)) { j = 4; // skip old-style checks } else { j = 0; } for (; j < 4*2; j++) { // Send IDENTIFY command.
// Load CylinderHigh and CylinderLow with number bytes to transfer for old devices, use 0 for newer.
statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, Command, (j < 4) ? DEV_BSIZE : 0 /* cyl */, 0, 0, 0, 0, ATA_WAIT_INTR); // Clear interrupt
if (!statusByte) { KdPrint2((PRINT_PREFIX "IssueIdentify: 0-status, not present\n")); return FALSE; } else if (statusByte & IDE_STATUS_DRQ) { // Read status to acknowledge any interrupts generated. KdPrint2((PRINT_PREFIX "IssueIdentify: IDE_STATUS_DRQ (%#x)\n", statusByte)); GetBaseStatus(chan, statusByte); // One last check for Atapi. if (Command == IDE_COMMAND_IDENTIFY) { signatureLow = AtapiReadPort1(chan, IDX_IO1_i_CylinderLow); signatureHigh = AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh);
if (signatureLow == ATAPI_MAGIC_LSB && signatureHigh == ATAPI_MAGIC_MSB) { KdPrint2((PRINT_PREFIX "IssueIdentify: this is ATAPI (3) (dev %d)\n", DeviceNumber)); // Device is Atapi. return FALSE; } } break; } else { KdPrint2((PRINT_PREFIX "IssueIdentify: !IDE_STATUS_DRQ (%#x)\n", statusByte)); if (Command == IDE_COMMAND_IDENTIFY) { // Check the signature. If DRQ didn't come up it's likely Atapi. signatureLow = AtapiReadPort1(chan, IDX_IO1_i_CylinderLow); signatureHigh = AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh);
if (signatureLow == ATAPI_MAGIC_LSB && signatureHigh == ATAPI_MAGIC_MSB) { // Device is Atapi. KdPrint2((PRINT_PREFIX "IssueIdentify: this is ATAPI (4) (dev %d)\n", DeviceNumber)); return FALSE; } } else { if(!(statusByte & IDE_STATUS_ERROR) && (statusByte & IDE_STATUS_BUSY)) { KdPrint2((PRINT_PREFIX "IssueIdentify: DRQ not asserted immediately, BUSY -> WaitForDrq\n")); break; } } // Device didn't respond correctly. It will be given one more chance. KdPrint2((PRINT_PREFIX "IssueIdentify: DRQ never asserted (%#x). Error reg (%#x)\n", statusByte, AtapiReadPort1(chan, IDX_IO1_i_Error))); GetBaseStatus(chan, statusByte); AtapiSoftReset(chan,DeviceNumber);
AtapiDisableInterrupts(deviceExtension, lChannel); AtapiEnableInterrupts(deviceExtension, lChannel);
GetBaseStatus(chan, statusByte); //GetStatus(chan, statusByte); KdPrint2((PRINT_PREFIX "IssueIdentify: Status after soft reset (%#x)\n", statusByte)); } } // Check for error on really stupid master devices that assert random // patterns of bits in the status register at the slave address. if ((Command == IDE_COMMAND_IDENTIFY) && (statusByte & IDE_STATUS_ERROR)) { KdPrint2((PRINT_PREFIX "IssueIdentify: Exit on error (%#x)\n", statusByte)); return FALSE; }
if(use_ahci) { // everything should already be done by controller } else if(LunExt->DeviceFlags & DFLAGS_MANUAL_CHS) { j = 9; // don't send IDENTIFY, assume it is not supported KdPrint2((PRINT_PREFIX "IssueIdentify: Manual CHS (2)\n")); statusByte = WaitForDrq(chan); statusByte = WaitOnBusyLong(chan); KdPrint2((PRINT_PREFIX "IssueIdentify: statusByte %#x\n", statusByte)); GetBaseStatus(chan, statusByte); } else {
KdPrint2((PRINT_PREFIX "IssueIdentify: Status before read words %#x\n", statusByte)); // Suck out 256 words. After waiting for one model that asserts busy // after receiving the Packet Identify command. statusByte = WaitForDrq(chan); statusByte = WaitOnBusyLong(chan); KdPrint2((PRINT_PREFIX "IssueIdentify: statusByte %#x\n", statusByte));
if (!(statusByte & IDE_STATUS_DRQ)) { KdPrint2((PRINT_PREFIX "IssueIdentify: !IDE_STATUS_DRQ (2) (%#x)\n", statusByte)); GetBaseStatus(chan, statusByte); return FALSE; } GetBaseStatus(chan, statusByte); KdPrint2((PRINT_PREFIX "IssueIdentify: BASE statusByte %#x\n", statusByte));
#ifdef _DEBUG if(atapiDev) { j = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "IssueIdentify: iReason %x\n", j));
j = AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountLow);
j |= (USHORT)AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountHigh) << 8; KdPrint3((PRINT_PREFIX "IssueIdentify: wCount %x\n", j));
}#endif //_DEBUG
if (atapiDev || !(LunExt->DeviceFlags & DFLAGS_DWORDIO_ENABLED) /*!deviceExtension->DWordIO*/) {
KdPrint2((PRINT_PREFIX " use 16bit IO\n")); // ATI/SII chipsets with memory-mapped IO hangs when // I call ReadBuffer(), probably due to PCI burst/prefetch enabled // Unfortunately, I don't know yet how to workaround it except // spacifying manual delay in the way you see below. ReadBuffer(chan, (PUSHORT)&deviceExtension->FullIdentifyData, 256, PIO0_TIMING);
// Work around for some IDE and one model Atapi that will present more than // 256 bytes for the Identify data. KdPrint2((PRINT_PREFIX "IssueIdentify: suck data port\n", statusByte)); statusByte = AtapiSuckPort2(chan); } else { KdPrint2((PRINT_PREFIX " use 32bit IO\n")); ReadBuffer2(chan, (PULONG)&deviceExtension->FullIdentifyData, 256/2, PIO0_TIMING); }
KdPrint2((PRINT_PREFIX "IssueIdentify: statusByte %#x\n", statusByte)); statusByte = WaitForDrq(chan); KdPrint2((PRINT_PREFIX "IssueIdentify: statusByte %#x\n", statusByte)); GetBaseStatus(chan, statusByte); } KdPrint2((PRINT_PREFIX "IssueIdentify: Status after read words %#x\n", statusByte));
if(NoSetup) { KdPrint2((PRINT_PREFIX "IssueIdentify: no setup, exiting\n")); return TRUE; }
KdPrint2((PRINT_PREFIX "Model: %20.20s\n", deviceExtension->FullIdentifyData.ModelNumber)); KdPrint2((PRINT_PREFIX "FW: %4.4s\n", deviceExtension->FullIdentifyData.FirmwareRevision)); KdPrint2((PRINT_PREFIX "S/N: %20.20s\n", deviceExtension->FullIdentifyData.SerialNumber)); if(g_opt_VirtualMachine == VM_AUTO) { if((deviceExtension->FullIdentifyData.FirmwareRevision[0] == 0 || deviceExtension->FullIdentifyData.FirmwareRevision[0] == ' ') && (deviceExtension->FullIdentifyData.FirmwareRevision[1] == 0 || deviceExtension->FullIdentifyData.FirmwareRevision[1] == ' ')) { // Check for BOCHS VM signature. If no additional PCI devices (e.g. VGA) // are declared BOCHS looks like regular PC if (!atapiDev && !AtapiStringCmp ((PCCHAR)(deviceExtension->FullIdentifyData.SerialNumber), "XBDH00", 6)) { KdPrint2((PRINT_PREFIX "IssueIdentify: BOCHS HDD\n")); g_opt_VirtualMachine = VM_BOCHS; } else if (atapiDev && !AtapiStringCmp ((PCCHAR)(deviceExtension->FullIdentifyData.SerialNumber), "XBDC00", 6)) { KdPrint2((PRINT_PREFIX "IssueIdentify: BOCHS CD\n")); g_opt_VirtualMachine = VM_BOCHS; } } }
KdPrint2((PRINT_PREFIX "Pio: %x\n", deviceExtension->FullIdentifyData.PioCycleTimingMode)); if(deviceExtension->FullIdentifyData.PioTimingsValid) { KdPrint2((PRINT_PREFIX "APio: %x\n", deviceExtension->FullIdentifyData.AdvancedPIOModes)); } KdPrint2((PRINT_PREFIX "SWDMA: %x\n", deviceExtension->FullIdentifyData.SingleWordDMAActive)); KdPrint2((PRINT_PREFIX "MWDMA: %x\n", deviceExtension->FullIdentifyData.MultiWordDMAActive)); if(deviceExtension->FullIdentifyData.UdmaModesValid) { KdPrint2((PRINT_PREFIX "UDMA: %x/%x\n", deviceExtension->FullIdentifyData.UltraDMAActive, deviceExtension->FullIdentifyData.UltraDMASupport)); } KdPrint2((PRINT_PREFIX "SATA: %x\n", deviceExtension->FullIdentifyData.SataEnable)); KdPrint2((PRINT_PREFIX "SATA support: %x, CAPs %#x\n", deviceExtension->FullIdentifyData.SataSupport, deviceExtension->FullIdentifyData.SataCapabilities));
LunExt->LimitedTransferMode = LunExt->OrigTransferMode = (UCHAR)ata_cur_mode_from_ident(&(deviceExtension->FullIdentifyData), IDENT_MODE_MAX); LunExt->TransferMode = (UCHAR)ata_cur_mode_from_ident(&(deviceExtension->FullIdentifyData), IDENT_MODE_ACTIVE);
KdPrint2((PRINT_PREFIX "OrigTransferMode: %x, Active: %x\n", LunExt->OrigTransferMode, LunExt->TransferMode)); KdPrint2((PRINT_PREFIX "Accoustic %d, cur %d\n", deviceExtension->FullIdentifyData.VendorAcoustic, deviceExtension->FullIdentifyData.CurrentAcoustic )); KdPrint2((PRINT_PREFIX "AdvPowerMode %d\n", deviceExtension->FullIdentifyData.CfAdvPowerMode ));
KdPrint2((PRINT_PREFIX "PowerMngt %d/%d, APM %d/%d\n", deviceExtension->FullIdentifyData.FeaturesEnabled.PowerMngt, deviceExtension->FullIdentifyData.FeaturesSupport.PowerMngt, deviceExtension->FullIdentifyData.FeaturesEnabled.APM, deviceExtension->FullIdentifyData.FeaturesSupport.APM ));
// Check out a few capabilities / limitations of the device. if (deviceExtension->FullIdentifyData.RemovableStatus & 1) { // Determine if this drive supports the MSN functions. KdPrint2((PRINT_PREFIX "IssueIdentify: Marking drive %d as removable. SFE = %d\n", DeviceNumber, deviceExtension->FullIdentifyData.RemovableStatus)); LunExt->DeviceFlags |= DFLAGS_REMOVABLE_DRIVE; } if(use_ahci) { // AHCI doesn't recommend using PIO and multiblock LunExt->MaximumBlockXfer = 0; } else if (deviceExtension->FullIdentifyData.MaximumBlockTransfer) { // Determine max. block transfer for this device. LunExt->MaximumBlockXfer = (UCHAR)(deviceExtension->FullIdentifyData.MaximumBlockTransfer & 0xFF); } LunExt->NumOfSectors = 0; if (Command == IDE_COMMAND_IDENTIFY) { ULONGLONG NumOfSectors=0; ULONGLONG NativeNumOfSectors=0; ULONGLONG cylinders=0; ULONGLONG tmp_cylinders=0;
KdPrint2((PRINT_PREFIX "PhysLogSectorSize %#x, %#x, offset %#x\n", deviceExtension->FullIdentifyData.PhysLogSectorSize, deviceExtension->FullIdentifyData.LargeSectorSize, deviceExtension->FullIdentifyData.LogicalSectorOffset ));
KdPrint2((PRINT_PREFIX "NV PM_Sup %d, PM_En %d, En %d, PM ver %#x ver %#x\n", deviceExtension->FullIdentifyData.NVCache_PM_Supported, deviceExtension->FullIdentifyData.NVCache_PM_Enabled, deviceExtension->FullIdentifyData.NVCache_Enabled, deviceExtension->FullIdentifyData.NVCache_PM_Version, deviceExtension->FullIdentifyData.NVCache_Version ));
KdPrint2((PRINT_PREFIX "R-rate %d\n", deviceExtension->FullIdentifyData.NominalMediaRotationRate )); KdPrint2((PRINT_PREFIX "WC %d/%d, LA %d/%d, WB %d/%d, RB %d/%d, Q %d/%d\n", deviceExtension->FullIdentifyData.FeaturesEnabled.WriteCache, deviceExtension->FullIdentifyData.FeaturesSupport.WriteCache, deviceExtension->FullIdentifyData.FeaturesEnabled.LookAhead, deviceExtension->FullIdentifyData.FeaturesSupport.LookAhead, deviceExtension->FullIdentifyData.FeaturesEnabled.WriteBuffer, deviceExtension->FullIdentifyData.FeaturesSupport.WriteBuffer, deviceExtension->FullIdentifyData.FeaturesEnabled.ReadBuffer, deviceExtension->FullIdentifyData.FeaturesSupport.ReadBuffer, deviceExtension->FullIdentifyData.FeaturesEnabled.Queued, deviceExtension->FullIdentifyData.FeaturesSupport.Queued ));
KdPrint2((PRINT_PREFIX "Protected %d/%d status %#x, rev %#x\n", deviceExtension->FullIdentifyData.FeaturesEnabled.Protected, deviceExtension->FullIdentifyData.FeaturesSupport.Protected, deviceExtension->FullIdentifyData.SecurityStatus, deviceExtension->FullIdentifyData.MasterPasswdRevision ));
// Read very-old-style drive geometry KdPrint2((PRINT_PREFIX "CHS %#x:%#x:%#x\n", deviceExtension->FullIdentifyData.NumberOfCylinders, deviceExtension->FullIdentifyData.NumberOfHeads, deviceExtension->FullIdentifyData.SectorsPerTrack )); NumOfSectors = deviceExtension->FullIdentifyData.NumberOfCylinders * deviceExtension->FullIdentifyData.NumberOfHeads * deviceExtension->FullIdentifyData.SectorsPerTrack; KdPrint2((PRINT_PREFIX "NumOfSectors %#I64x\n", NumOfSectors)); // Check for HDDs > 8Gb if ((deviceExtension->FullIdentifyData.NumberOfCylinders == 0x3fff) &&/* (deviceExtension->FullIdentifyData.TranslationFieldsValid) &&*/ deviceExtension->FullIdentifyData.NumberOfHeads && deviceExtension->FullIdentifyData.SectorsPerTrack && (NumOfSectors < deviceExtension->FullIdentifyData.UserAddressableSectors)) { KdPrint2((PRINT_PREFIX "NumberOfCylinders == 0x3fff\n")); cylinders = (deviceExtension->FullIdentifyData.UserAddressableSectors / (deviceExtension->FullIdentifyData.NumberOfHeads * deviceExtension->FullIdentifyData.SectorsPerTrack));
KdPrint2((PRINT_PREFIX "cylinders %#I64x\n", cylinders));
NumOfSectors = cylinders * deviceExtension->FullIdentifyData.NumberOfHeads * deviceExtension->FullIdentifyData.SectorsPerTrack;
KdPrint2((PRINT_PREFIX "NumOfSectors %#I64x\n", NumOfSectors)); } else {
} // Check for LBA mode KdPrint2((PRINT_PREFIX "SupportLba flag %#x\n", deviceExtension->FullIdentifyData.SupportLba)); KdPrint2((PRINT_PREFIX "SupportDMA flag %#x\n", deviceExtension->FullIdentifyData.SupportDma)); KdPrint2((PRINT_PREFIX "SoftReset %#x\n", deviceExtension->FullIdentifyData.SoftReset)); KdPrint2((PRINT_PREFIX "SupportIordy %#x, DisableIordy %#x\n", deviceExtension->FullIdentifyData.SupportIordy, deviceExtension->FullIdentifyData.DisableIordy )); KdPrint2((PRINT_PREFIX "MajorRevision %#x\n", deviceExtension->FullIdentifyData.MajorRevision)); KdPrint2((PRINT_PREFIX "UserAddressableSectors %#x\n", deviceExtension->FullIdentifyData.UserAddressableSectors)); if ( deviceExtension->FullIdentifyData.SupportLba || (deviceExtension->FullIdentifyData.MajorRevision &&/* deviceExtension->FullIdentifyData.TranslationFieldsValid &&*/ deviceExtension->FullIdentifyData.UserAddressableSectors)) { KdPrint2((PRINT_PREFIX "LBA mode\n")); LunExt->DeviceFlags |= DFLAGS_LBA_ENABLED; } else { KdPrint2((PRINT_PREFIX "Keep orig geometry\n")); LunExt->DeviceFlags |= DFLAGS_ORIG_GEOMETRY; goto skip_lba_staff; } // Check for LBA48 support if(LunExt->DeviceFlags & DFLAGS_LBA_ENABLED) { if(deviceExtension->FullIdentifyData.FeaturesSupport.Address48 && deviceExtension->FullIdentifyData.FeaturesEnabled.Address48 && deviceExtension->FullIdentifyData.NumberOfHeads && deviceExtension->FullIdentifyData.SectorsPerTrack && (deviceExtension->FullIdentifyData.UserAddressableSectors48 > NumOfSectors) ) { KdPrint2((PRINT_PREFIX "LBA48\n")); cylinders = (deviceExtension->FullIdentifyData.UserAddressableSectors48 / (deviceExtension->FullIdentifyData.NumberOfHeads * deviceExtension->FullIdentifyData.SectorsPerTrack));
KdPrint2((PRINT_PREFIX "cylinders %#I64x\n", cylinders));
NativeNumOfSectors = cylinders * deviceExtension->FullIdentifyData.NumberOfHeads * deviceExtension->FullIdentifyData.SectorsPerTrack;
KdPrint2((PRINT_PREFIX "NativeNumOfSectors %#I64x\n", NativeNumOfSectors));
if(NativeNumOfSectors > NumOfSectors) { KdPrint2((PRINT_PREFIX "Update NumOfSectors to %#I64x\n", NativeNumOfSectors)); NumOfSectors = NativeNumOfSectors; } }
// Check drive capacity report for LBA48-capable drives. if(deviceExtension->FullIdentifyData.FeaturesSupport.Address48) { ULONG hNativeNumOfSectors; KdPrint2((PRINT_PREFIX "Use IDE_COMMAND_READ_NATIVE_SIZE48\n"));
statusByte = AtaCommand48(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_READ_NATIVE_SIZE48, 0, 0, 0, ATA_WAIT_READY);
if(!(statusByte & IDE_STATUS_ERROR)) { if(use_ahci) { NativeNumOfSectors = chan->AhciInternalAtaReq->ahci.in_lba; } else { NativeNumOfSectors = (ULONG)AtapiReadPort1(chan, IDX_IO1_i_BlockNumber) | ((ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderLow) << 8) | ((ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh) << 16) ;
AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_USE_HOB );
KdPrint2((PRINT_PREFIX "Read high order bytes\n")); NativeNumOfSectors |= (ULONG)((ULONG)AtapiReadPort1(chan, IDX_IO1_i_BlockNumber) << 24 ); hNativeNumOfSectors= (ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderLow) | ((ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh) << 8) ; ((PULONG)&NativeNumOfSectors)[1] = hNativeNumOfSectors; } KdPrint2((PRINT_PREFIX "NativeNumOfSectors %#I64x\n", NativeNumOfSectors));
// Some drives report LBA48 capability while has capacity below 128Gb // Probably they support large block-counters. // But the problem is that some of them reports higher part of Max LBA equal to lower part. // Here we check this if((NativeNumOfSectors & 0xffffff) == ((NativeNumOfSectors >> 24) & 0xffffff)) { KdPrint2((PRINT_PREFIX "High-order bytes == Low-order bytes !!!\n"));
statusByte = AtaCommand48(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_READ_NATIVE_SIZE48, 0, 0, 0, ATA_WAIT_READY);
if(!(statusByte & IDE_STATUS_ERROR)) { if(use_ahci) { NativeNumOfSectors = chan->AhciInternalAtaReq->ahci.in_lba; } else { NativeNumOfSectors = (ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_BlockNumber) | ((ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_BlockNumber) << 24) | ((ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderLow) << 8 ) | ((ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderLow) << 32) | ((ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh) << 16) | ((ULONGLONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh) << 40) ; } }
if((NativeNumOfSectors & 0xffffff) == ((NativeNumOfSectors >> 24) & 0xffffff)) { KdPrint2((PRINT_PREFIX "High-order bytes == Low-order bytes !!! (2)\n")); NativeNumOfSectors = 0; } }
if(NumOfSectors <= ATA_MAX_LBA28 && NativeNumOfSectors > NumOfSectors) {
KdPrint2((PRINT_PREFIX "Use IDE_COMMAND_SET_NATIVE_SIZE48\n")); KdPrint2((PRINT_PREFIX "Update NumOfSectors to %#I64x\n", NativeNumOfSectors));
statusByte = AtaCommand48(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_NATIVE_SIZE, NativeNumOfSectors, 0, 0, ATA_WAIT_READY); if(!(statusByte & IDE_STATUS_ERROR)) { NumOfSectors = NativeNumOfSectors; } } } // !error }
if(NumOfSectors < 0x2100000 /*&& NumOfSectors > 31*1000*1000*/) { // check for native LBA size // some drives report ~32Gb in Identify Block KdPrint2((PRINT_PREFIX "Use IDE_COMMAND_READ_NATIVE_SIZE\n"));
statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_READ_NATIVE_SIZE, 0, IDE_USE_LBA, 0, 0, 0, ATA_WAIT_READY);
if(!(statusByte & IDE_STATUS_ERROR)) { if(use_ahci) { NativeNumOfSectors = chan->AhciInternalAtaReq->ahci.in_lba; } else { NativeNumOfSectors = (ULONG)AtapiReadPort1(chan, IDX_IO1_i_BlockNumber) | ((ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderLow) << 8) | ((ULONG)AtapiReadPort1(chan, IDX_IO1_i_CylinderHigh) << 16) | (((ULONG)AtapiReadPort1(chan, IDX_IO1_i_DriveSelect) & 0xf) << 24); } KdPrint2((PRINT_PREFIX "NativeNumOfSectors %#I64x\n", NativeNumOfSectors));
if(NativeNumOfSectors > NumOfSectors) {
KdPrint2((PRINT_PREFIX "Use IDE_COMMAND_SET_NATIVE_SIZE\n")); KdPrint2((PRINT_PREFIX "Update NumOfSectors to %#I64x\n", NativeNumOfSectors));
statusByte = AtaCommand48(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_NATIVE_SIZE, NativeNumOfSectors, 0, 0, ATA_WAIT_READY); if(!(statusByte & IDE_STATUS_ERROR)) { NumOfSectors = NativeNumOfSectors; } } } }
if(NumOfSectors > ATA_MAX_IOLBA28) { KdPrint2((PRINT_PREFIX "2TB threshold, force LBA64 WRITE requirement\n")); LunExt->DeviceFlags |= DFLAGS_LBA32plus; } } // if(LunExt->DeviceFlags & DFLAGS_LBA_ENABLED)
// fill IdentifyData with bogus geometry KdPrint2((PRINT_PREFIX "requested LunExt->GeomType=%x\n", LunExt->opt_GeomType)); if(deviceExtension->FullIdentifyData.CurrentSectorsPerTrack && deviceExtension->FullIdentifyData.NumberOfCurrentHeads) { tmp_cylinders = NumOfSectors / (deviceExtension->FullIdentifyData.CurrentSectorsPerTrack * deviceExtension->FullIdentifyData.NumberOfCurrentHeads); } else if(deviceExtension->FullIdentifyData.SectorsPerTrack && deviceExtension->FullIdentifyData.NumberOfHeads) { KdPrint2((PRINT_PREFIX "Current C/H = %#I64x/%#I64x\n", deviceExtension->FullIdentifyData.CurrentSectorsPerTrack, deviceExtension->FullIdentifyData.NumberOfCurrentHeads)); tmp_cylinders = NumOfSectors / (deviceExtension->FullIdentifyData.SectorsPerTrack * deviceExtension->FullIdentifyData.NumberOfHeads); } else { tmp_cylinders = 0; } KdPrint2((PRINT_PREFIX "tmp_cylinders = %#I64x\n", tmp_cylinders)); if((tmp_cylinders < 0xffff) || (LunExt->opt_GeomType == GEOM_ORIG)) { // ok, we can keep original values if(LunExt->opt_GeomType == GEOM_AUTO) { LunExt->opt_GeomType = GEOM_ORIG; } } else { tmp_cylinders = NumOfSectors / (255*63); if(tmp_cylinders < 0xffff) { // we can use generic values for H/S for generic geometry approach if(LunExt->opt_GeomType == GEOM_AUTO) { LunExt->opt_GeomType = GEOM_STD; } } else { // we should use UNIATA geometry approach if(LunExt->opt_GeomType == GEOM_AUTO) { LunExt->opt_GeomType = GEOM_UNIATA; } } }
if(!deviceExtension->FullIdentifyData.SectorsPerTrack || !deviceExtension->FullIdentifyData.NumberOfHeads) { KdPrint2((PRINT_PREFIX "Zero S/H -> Force Use GEOM_STD\n")); }
if(LunExt->opt_GeomType == GEOM_STD) { deviceExtension->FullIdentifyData.CurrentSectorsPerTrack = deviceExtension->FullIdentifyData.SectorsPerTrack = 63;
deviceExtension->FullIdentifyData.NumberOfCurrentHeads = deviceExtension->FullIdentifyData.NumberOfHeads = 255;
cylinders = NumOfSectors / (255*63); KdPrint2((PRINT_PREFIX "Use GEOM_STD, CHS=%I64x/%x/%x\n", cylinders, 255, 63)); } else if(LunExt->opt_GeomType == GEOM_UNIATA) { while ((cylinders > 0xffff) && (deviceExtension->FullIdentifyData.SectorsPerTrack < 0x80)) { cylinders /= 2; KdPrint2((PRINT_PREFIX "cylinders /= 2\n")); deviceExtension->FullIdentifyData.SectorsPerTrack *= 2; deviceExtension->FullIdentifyData.CurrentSectorsPerTrack *= 2; } while ((cylinders > 0xffff) && (deviceExtension->FullIdentifyData.NumberOfHeads < 0x80)) { cylinders /= 2; KdPrint2((PRINT_PREFIX "cylinders /= 2 (2)\n")); deviceExtension->FullIdentifyData.NumberOfHeads *= 2; deviceExtension->FullIdentifyData.NumberOfCurrentHeads *= 2; } while ((cylinders > 0xffff) && (deviceExtension->FullIdentifyData.SectorsPerTrack < 0x8000)) { cylinders /= 2; KdPrint2((PRINT_PREFIX "cylinders /= 2 (3)\n")); deviceExtension->FullIdentifyData.SectorsPerTrack *= 2; deviceExtension->FullIdentifyData.CurrentSectorsPerTrack *= 2; } while ((cylinders > 0xffff) && (deviceExtension->FullIdentifyData.NumberOfHeads < 0x8000)) { cylinders /= 2; KdPrint2((PRINT_PREFIX "cylinders /= 2 (4)\n")); deviceExtension->FullIdentifyData.NumberOfHeads *= 2; deviceExtension->FullIdentifyData.NumberOfCurrentHeads *= 2; } KdPrint2((PRINT_PREFIX "Use GEOM_UNIATA, CHS=%I64x/%x/%x\n", cylinders, deviceExtension->FullIdentifyData.NumberOfCurrentHeads, deviceExtension->FullIdentifyData.CurrentSectorsPerTrack)); } if(!cylinders) { KdPrint2((PRINT_PREFIX "cylinders = tmp_cylinders (%x = %x)\n", cylinders, tmp_cylinders)); cylinders = tmp_cylinders; } deviceExtension->FullIdentifyData.NumberOfCurrentCylinders = deviceExtension->FullIdentifyData.NumberOfCylinders = (USHORT)cylinders;
skip_lba_staff:
KdPrint2((PRINT_PREFIX "Geometry: C %#x (%#x)\n", deviceExtension->FullIdentifyData.NumberOfCylinders, deviceExtension->FullIdentifyData.NumberOfCurrentCylinders )); KdPrint2((PRINT_PREFIX "Geometry: H %#x (%#x)\n", deviceExtension->FullIdentifyData.NumberOfHeads, deviceExtension->FullIdentifyData.NumberOfCurrentHeads )); KdPrint2((PRINT_PREFIX "Geometry: S %#x (%#x)\n", deviceExtension->FullIdentifyData.SectorsPerTrack, deviceExtension->FullIdentifyData.CurrentSectorsPerTrack ));
if(NumOfSectors) { LunExt->NumOfSectors = NumOfSectors; } if(deviceExtension->FullIdentifyData.MajorRevision && deviceExtension->FullIdentifyData.DoubleWordIo) { LunExt->DeviceFlags |= DFLAGS_DWORDIO_ENABLED; KdPrint2((PRINT_PREFIX "IssueIdentify: DWORDIO supported\n")); } } else { // ATAPI if(deviceExtension->FullIdentifyData.MajorRevision && deviceExtension->FullIdentifyData.DoubleWordIo) { LunExt->DeviceFlags |= DFLAGS_DWORDIO_ENABLED; KdPrint2((PRINT_PREFIX "IssueIdentify: DFLAGS_DWORDIO_ENABLED.\n")); } if(deviceExtension->FullIdentifyData.AtapiDMA.DMADirRequired) { KdPrint2((PRINT_PREFIX "DMADirRequired.\n")); } if(deviceExtension->FullIdentifyData.AtapiByteCount0) { KdPrint2((PRINT_PREFIX "AtapiByteCount0=%x\n", deviceExtension->FullIdentifyData.AtapiByteCount0)); } }
ScsiPortMoveMemory(&LunExt->IdentifyData, &deviceExtension->FullIdentifyData,sizeof(IDENTIFY_DATA2));
InitBadBlocks(LunExt);
if ((LunExt->IdentifyData.DrqType & ATAPI_DRQT_INTR) && (Command != IDE_COMMAND_IDENTIFY)) {
// This device interrupts with the assertion of DRQ after receiving // Atapi Packet Command LunExt->DeviceFlags |= DFLAGS_INT_DRQ; KdPrint2((PRINT_PREFIX "IssueIdentify: Device interrupts on assertion of DRQ.\n"));
} else { KdPrint2((PRINT_PREFIX "IssueIdentify: Device does not interrupt on assertion of DRQ.\n")); }
if(Command != IDE_COMMAND_IDENTIFY) { // ATAPI branch if(LunExt->IdentifyData.DeviceType == ATAPI_TYPE_TAPE) { // This is a tape. LunExt->DeviceFlags |= DFLAGS_TAPE_DEVICE; KdPrint2((PRINT_PREFIX "IssueIdentify: Device is a tape drive.\n")); } else if(LunExt->IdentifyData.DeviceType == ATAPI_TYPE_CDROM || LunExt->IdentifyData.DeviceType == ATAPI_TYPE_OPTICAL) { KdPrint2((PRINT_PREFIX "IssueIdentify: Device is CD/Optical drive.\n")); // set CD default costs LunExt->RwSwitchCost = REORDER_COST_SWITCH_RW_CD; LunExt->RwSwitchMCost = REORDER_MCOST_SWITCH_RW_CD; LunExt->SeekBackMCost = REORDER_MCOST_SEEK_BACK_CD; statusByte = WaitForDrq(chan); } else { KdPrint2((PRINT_PREFIX "IssueIdentify: ATAPI drive type %#x.\n", LunExt->IdentifyData.DeviceType)); } KdPrint2((PRINT_PREFIX "IssueIdentify: AtapiCmdSize %#x\n", deviceExtension->FullIdentifyData.AtapiCmdSize)); } else { KdPrint2((PRINT_PREFIX "IssueIdentify: hard drive.\n")); }
GetBaseStatus(chan, statusByte); KdPrint2((PRINT_PREFIX "IssueIdentify: final Status on exit (%#x)\n", statusByte)); return TRUE;
} // end IssueIdentify()
/*++
Routine Description: Set drive parameters using the IDENTIFY data.
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage DeviceNumber - Indicates which device.
Return Value: TRUE if all goes well.
--*/BOOLEANNTAPISetDriveParameters( IN PVOID HwDeviceExtension, IN ULONG DeviceNumber, IN ULONG lChannel ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PIDENTIFY_DATA2 identifyData; PHW_LU_EXTENSION LunExt;// ULONG i; UCHAR statusByte; UCHAR errorByte;
LunExt = deviceExtension->chan[lChannel].lun[DeviceNumber]; identifyData = &(LunExt->IdentifyData);
if(LunExt->DeviceFlags & (DFLAGS_LBA_ENABLED | DFLAGS_ORIG_GEOMETRY)) return TRUE;
KdPrint2((PRINT_PREFIX "SetDriveParameters: Number of heads %#x\n", identifyData->NumberOfHeads)); KdPrint2((PRINT_PREFIX "SetDriveParameters: Sectors per track %#x\n", identifyData->SectorsPerTrack));
// Send SET PARAMETER command. statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_DRIVE_PARAMETERS, 0, (identifyData->NumberOfHeads - 1), 0, (UCHAR)identifyData->SectorsPerTrack, 0, ATA_WAIT_IDLE);
statusByte = UniataIsIdle(deviceExtension, statusByte); if(statusByte & IDE_STATUS_ERROR) { errorByte = AtapiReadPort1(&deviceExtension->chan[lChannel], IDX_IO1_i_Error); KdPrint2((PRINT_PREFIX "SetDriveParameters: Error bit set. Status %#x, error %#x\n", errorByte, statusByte)); return FALSE; }
if(statusByte == IDE_STATUS_IDLE) { return TRUE; }
return FALSE;
} // end SetDriveParameters()
VOIDNTAPIUniataForgetDevice( PHW_LU_EXTENSION LunExt ){ // keep only DFLAGS_HIDDEN flag LunExt->DeviceFlags &= DFLAGS_HIDDEN; LunExt->AtapiReadyWaitDelay = 0;} // end UniataForgetDevice()
/*++
Routine Description: Reset IDE controller and/or Atapi device. ->HwResetBus
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage
Return Value: Nothing.
--*/BOOLEANNTAPIAtapiResetController( IN PVOID HwDeviceExtension, IN ULONG PathId ){ KdPrint2((PRINT_PREFIX "AtapiResetController(%x)\n", PathId)); return AtapiResetController__(HwDeviceExtension, PathId, RESET_COMPLETE_ALL);} // end AtapiResetController()
BOOLEANNTAPIAtapiResetController__( IN PVOID HwDeviceExtension, IN ULONG PathId, IN BOOLEAN CompleteType ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG numberChannels = deviceExtension->NumberChannels; PHW_CHANNEL chan = NULL; ULONG i,j; ULONG MaxLuns; UCHAR statusByte; PSCSI_REQUEST_BLOCK CurSrb; ULONG ChannelCtrlFlags; UCHAR dma_status = 0;
ULONG slotNumber = deviceExtension->slotNumber; ULONG SystemIoBusNumber = deviceExtension->SystemIoBusNumber; ULONG VendorID = deviceExtension->DevID & 0xffff;#ifdef _DEBUG ULONG DeviceID = (deviceExtension->DevID >> 16) & 0xffff;#endif //ULONG RevID = deviceExtension->RevID; ULONG ChipFlags = deviceExtension->HwFlags & CHIPFLAG_MASK; //UCHAR tmp8; USHORT tmp16;
KdPrint2((PRINT_PREFIX "AtapiResetController: Reset IDE %#x/%#x @ %#x\n", VendorID, DeviceID, slotNumber)); KdPrint2((PRINT_PREFIX "simplexOnly %d, VM %x\n", deviceExtension->simplexOnly, g_opt_VirtualMachine));
if(!deviceExtension->simplexOnly && (PathId != CHAN_NOT_SPECIFIED)) { // we shall reset both channels on SimplexOnly devices, // It's not worth doing so on normal controllers j = PathId; numberChannels = min(j+1, deviceExtension->NumberChannels); } else { j=0; numberChannels = deviceExtension->NumberChannels; }
for (; j < numberChannels; j++) {
KdPrint2((PRINT_PREFIX "AtapiResetController: Reset lchannel %d[%d]\n", j, deviceExtension->Channel)); chan = &(deviceExtension->chan[j]); MaxLuns = chan->NumberLuns; // Save control flags ChannelCtrlFlags = chan->ChannelCtrlFlags; KdPrint2((PRINT_PREFIX " CompleteType %#x, Luns %d, chan %#x, sptr %#x, flags %#x\n", CompleteType, MaxLuns, chan, &chan, ChannelCtrlFlags)); //MaxLuns = (chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE) ? 1 : 2; if(CompleteType != RESET_COMPLETE_NONE) {#ifndef UNIATA_CORE while((CurSrb = UniataGetCurRequest(chan))) {
PHW_LU_EXTENSION LunExt; PATA_REQ AtaReq = (PATA_REQ)(CurSrb->SrbExtension);
i = GET_CDEV(CurSrb); KdPrint2((PRINT_PREFIX " Lun %x\n", i)); LunExt = chan->lun[i];
KdPrint2((PRINT_PREFIX "AtapiResetController: pending SRB %#x, chan %#x\n", CurSrb, chan)); if(CurSrb->Cdb[0] == SCSIOP_MECHANISM_STATUS) { KdPrint2((PRINT_PREFIX " was MechStatus\n"));
if(!(LunExt->DeviceFlags & DFLAGS_CHANGER_INITED)) { LunExt->DeviceFlags |= DFLAGS_CHANGER_INITED; KdPrint2((PRINT_PREFIX " set DFLAGS_CHANGER_INITED\n")); } } // Check and see if we are processing an internal srb if (AtaReq->OriginalSrb) { KdPrint2((PRINT_PREFIX " restore original SRB %#x\n", AtaReq->OriginalSrb)); AtaReq->Srb = AtaReq->OriginalSrb; CurSrb->SrbExtension = NULL; AtaReq->OriginalSrb = NULL; // NOTE: internal SRB doesn't get to SRB queue !!! CurSrb = AtaReq->Srb; }
// Remove current request from queue UniataRemoveRequest(chan, CurSrb);
// Check if request is in progress. ASSERT(AtaReq->Srb == CurSrb); if (CurSrb) { // Complete outstanding request with SRB_STATUS_BUS_RESET. UCHAR CurPathId = CurSrb->PathId; UCHAR TargetId = CurSrb->TargetId; UCHAR Lun = CurSrb->Lun;
CurSrb->SrbStatus = ((CompleteType == RESET_COMPLETE_ALL) ? SRB_STATUS_BUS_RESET : SRB_STATUS_ABORTED) | SRB_STATUS_AUTOSENSE_VALID; CurSrb->ScsiStatus = SCSISTAT_CHECK_CONDITION;
if (CurSrb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)CurSrb->SenseInfoBuffer; KdPrint2((PRINT_PREFIX " senseBuffer %#x, chan %#x, ReqFlags %#x\n", senseBuffer, chan, AtaReq->Flags));
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; if(CompleteType == RESET_COMPLETE_ALL) { KdPrint2((PRINT_PREFIX "AtapiResetController: report SCSI_SENSE_UNIT_ATTENTION + SCSI_ADSENSE_BUS_RESET\n")); senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_BUS_RESET; senseBuffer->AdditionalSenseCodeQualifier = SCSI_SENSEQ_SCSI_BUS; } else { KdPrint2((PRINT_PREFIX "AtapiResetController: report SCSI_SENSE_ABORTED_COMMAND\n")); senseBuffer->SenseKey = SCSI_SENSE_ABORTED_COMMAND; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0; } }
if(!ATAPI_DEVICE(chan, i) && AtaReq->bcount && AtaReq->retry < MAX_RETRIES) { KdPrint2((PRINT_PREFIX "Save IDE retry status %d\n", AtaReq->retry)); LunExt->errLastLba = AtaReq->lba; LunExt->errBCount = AtaReq->bcount; LunExt->errRetry = AtaReq->retry+1; //KdPrint2((PRINT_PREFIX "AtaReq->Flags & REQ_FLAG_RW_MASK = %x (%x)\n", (AtaReq->Flags & REQ_FLAG_RW_MASK), REQ_FLAG_READ)); //KdPrint2((PRINT_PREFIX "ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION = %x (%x)\n", ChannelCtrlFlags & CTRFLAGS_DMA_ACTIVE, CTRFLAGS_DMA_OPERATION)); //KdPrint2((PRINT_PREFIX "g_opt_VirtualMachine = %x (%x)\n", g_opt_VirtualMachine, VM_BOCHS)); if(((AtaReq->Flags & REQ_FLAG_RW_MASK) == REQ_FLAG_READ) && (ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) && (g_opt_VirtualMachine == VM_BOCHS)) { KdPrint2((PRINT_PREFIX "set CTRFLAGS_DMA_BEFORE_R on BOCHS\n")); g_opt_BochsDmaReadWorkaround = TRUE; g_opt_AtapiNoDma = TRUE; } else { KdPrint2((PRINT_PREFIX "do nothing\n")); } } else if(ATAPI_DEVICE(chan, i) && AtaReq->bcount && !AtaReq->retry) { KdPrint2((PRINT_PREFIX "Save ATAPI retry status %d\n", AtaReq->retry)); LunExt->errLastLba = AtaReq->lba; LunExt->errBCount = AtaReq->bcount; LunExt->errRetry = AtaReq->retry+1; if(((AtaReq->Flags & REQ_FLAG_RW_MASK) == REQ_FLAG_READ) && (ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) && (g_opt_VirtualMachine == VM_BOCHS)) { KdPrint2((PRINT_PREFIX "set CTRFLAGS_DMA_BEFORE_R on BOCHS ATAPI\n")); //g_opt_BochsDmaReadWorkaround = TRUE; g_opt_AtapiNoDma = TRUE; } else { KdPrint2((PRINT_PREFIX "do nothing\n")); } } else { LunExt->errRetry = 0; }
// Clear request tracking fields. AtaReq->WordsLeft = 0; AtaReq->DataBuffer = NULL; AtaReq->TransferLength = 0; KdPrint2((PRINT_PREFIX "chan %#x\n", chan));
ScsiPortNotification(RequestComplete, deviceExtension, CurSrb);
// Indicate ready for next request. ScsiPortNotification(NextLuRequest, deviceExtension, CurPathId, TargetId, Lun); } if(CompleteType != RESET_COMPLETE_ALL) break; } // end while()#endif //UNIATA_CORE } // end if (!CompleteType != RESET_COMPLETE_NONE)
// Clear expecting interrupt flag. UniataExpectChannelInterrupt(chan, FALSE); chan->RDP = FALSE; chan->ChannelCtrlFlags = ChannelCtrlFlags & CTRFLAGS_PERMANENT; InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
for (i = 0; i < MaxLuns; i++) { chan->lun[i]->PowerState = 0; } // Reset controller if(ChipFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX " AHCI path\n")); if(UniataAhciChanImplemented(deviceExtension, j)) {#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif AtapiDisableInterrupts(deviceExtension, j); UniataAhciReset(HwDeviceExtension, j); } else { KdPrint2((PRINT_PREFIX " skip not implemented\n")); continue; } } else { KdPrint2((PRINT_PREFIX " ATA path, chan %#x\n", chan)); KdPrint2((PRINT_PREFIX " disable intr (0)\n")); AtapiDisableInterrupts(deviceExtension, j); KdPrint2((PRINT_PREFIX " done\n")); switch(VendorID) { case ATA_INTEL_ID: { ULONG mask; ULONG pshift; ULONG timeout; if(!(ChipFlags & UNIATA_SATA)) { goto default_reset; } if(!UniataIsSATARangeAvailable(deviceExtension, j)) { goto default_reset; }
#if 0 /* ICH6 & ICH7 in compat mode has 4 SATA ports as master/slave on 2 ch's */ if(ChipFlags & UNIATA_AHCI) { mask = 0x0005 << j; } else { /* ICH5 in compat mode has SATA ports as master/slave on 1 channel */ GetPciConfig1(0x90, tmp8); if(tmp8 & 0x04) { mask = 0x0003; } else { mask = 0x0001 << j; } }#else mask = 1 << chan->lun[0]->SATA_lun_map; if (MaxLuns > 1) { mask |= (1 << chan->lun[1]->SATA_lun_map); }#endif ChangePciConfig2(0x92, a & ~mask); AtapiStallExecution(10); ChangePciConfig2(0x92, a | mask); timeout = 100;
/* Wait up to 1 sec for "connect well". */ if (ChipFlags & (I6CH | I6CH2)) { pshift = 8; } else { pshift = 4; } while (timeout--) { GetPciConfig2(0x92, tmp16); if (((tmp16 >> pshift) & mask) == mask) { GetBaseStatus(chan, statusByte); if(statusByte != IDE_STATUS_WRONG) { break; } } AtapiStallExecution(10000); } break; } case ATA_SIS_ID: { KdPrint2((PRINT_PREFIX " SIS\n")); if(!(ChipFlags & UNIATA_SATA)) goto default_reset; break; }#if 0 case ATA_NVIDIA_ID: { KdPrint2((PRINT_PREFIX " nVidia\n")); if(!(ChipFlags & UNIATA_SATA)) goto default_reset; break; }#else case ATA_NVIDIA_ID: { ULONG offs; ULONG Channel = deviceExtension->Channel + j; KdPrint2((PRINT_PREFIX " nVidia\n")); if(!(ChipFlags & UNIATA_SATA)) { goto default_reset; } offs = (ChipFlags & NV4OFF) ? 0x0440 : 0x0010;
KdPrint2((PRINT_PREFIX " disable Phy intr, offs %#x, c %u\n", offs, Channel)); /* disable device and PHY state change interrupts */ if(ChipFlags & NVQ) { KdPrint2((PRINT_PREFIX " NVQ, 32bits reg\n")); AtapiWritePortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+4, AtapiReadPortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+4) & ((~(ULONG)0x0000000d) << (!Channel*16)) ); } else { AtapiWritePortEx1(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+1, AtapiReadPortEx1(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+1) & ((~(UCHAR)0x0d) << (!Channel*4)) ); } tmp16 = UniataSataPhyEnable(HwDeviceExtension, j, 0/* dev0*/, UNIATA_SATA_RESET_ENABLE);
KdPrint2((PRINT_PREFIX " enable Phy intr, offs %#x\n", offs)); /* enable device and PHY state change interrupts */ if(ChipFlags & NVQ) { AtapiWritePortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+4, AtapiReadPortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+4) | (((ULONG)0x0000000d) << (!Channel*16)) ); } else { AtapiWritePortEx1(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+1, AtapiReadPortEx1(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs+1) | (((UCHAR)0x0d) << (!Channel*4)) ); }
KdPrint2((PRINT_PREFIX " dev status %#x\n", tmp16)); if(tmp16 != IDE_STATUS_WRONG) { goto default_reset; } break; }#endif //0 case ATA_SILICON_IMAGE_ID: { ULONG offset; ULONG Channel = deviceExtension->Channel + j; if(!(ChipFlags & UNIATA_SATA)) goto default_reset; offset = ((Channel & 1) << 7) + ((Channel & 2) << 8); /* disable PHY state change interrupt */ AtapiWritePortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0), 0x148 + offset, 0);
UniataSataClearErr(HwDeviceExtension, j, UNIATA_SATA_IGNORE_CONNECT, 0);
/* reset controller part for this channel */ AtapiWritePortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0), 0x48, AtapiReadPortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0), 0x48) | (0xc0 >> Channel)); AtapiStallExecution(1000); AtapiWritePortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0), 0x48, AtapiReadPortEx4(NULL, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0), 0x48) & ~(0xc0 >> Channel));
break; } case ATA_PROMISE_ID: { break; } default: if(ChipFlags & UNIATA_SATA) { KdPrint2((PRINT_PREFIX " SATA generic reset\n")); UniataSataClearErr(HwDeviceExtension, j, UNIATA_SATA_IGNORE_CONNECT, 0); }default_reset:/* AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_DISABLE_INTERRUPTS | IDE_DC_RESET_CONTROLLER ); chan->last_devsel = -1; KdPrint2((PRINT_PREFIX " wait a little\n")); AtapiStallExecution(10000); // Disable interrupts KdPrint2((PRINT_PREFIX " disable intr\n")); AtapiDisableInterrupts(deviceExtension, j); AtapiStallExecution(100); KdPrint2((PRINT_PREFIX " re-enable intr\n")); AtapiEnableInterrupts(deviceExtension, j); KdPrint2((PRINT_PREFIX " wait a little (2)\n")); AtapiStallExecution(100000);*/ AtapiHardReset(chan, TRUE, 100000); KdPrint2((PRINT_PREFIX " disable intr\n")); AtapiDisableInterrupts(deviceExtension, j); AtapiStallExecution(100); KdPrint2((PRINT_PREFIX " re-enable intr\n")); AtapiEnableInterrupts(deviceExtension, j); KdPrint2((PRINT_PREFIX " done\n"));
break; } // end switch()
//if(!(ChipFlags & UNIATA_SATA)) {} if(!UniataIsSATARangeAvailable(deviceExtension, j)) { // Reset DMA engine if active KdPrint2((PRINT_PREFIX " check DMA engine\n")); dma_status = GetDmaStatus(chan->DeviceExtension, chan->lChannel); KdPrint2((PRINT_PREFIX " DMA status %#x\n", dma_status)); if((ChannelCtrlFlags & CTRFLAGS_DMA_ACTIVE) || (dma_status & BM_STATUS_INTR)) { AtapiDmaDone(HwDeviceExtension, 0, j, NULL); } } } // ATA vs AHCI
// all these shall be performed inside AtapiHwInitialize__() ?#if 1 KdPrint2((PRINT_PREFIX " process connected devices 0 - %d\n", MaxLuns-1)); // Do special processing for ATAPI and IDE disk devices. for (i = 0; i < MaxLuns; i++) {
// Check if device present. KdPrint2((PRINT_PREFIX " Chan %#x\n", chan)); KdPrint2((PRINT_PREFIX " Lun %#x\n", i)); KdPrint2((PRINT_PREFIX " Lun ptr %#x\n", chan->lun[i])); if (!(chan->lun[i]->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { if(ChipFlags & UNIATA_AHCI) { // everything is done in UniataAhciReset() KdPrint2((PRINT_PREFIX " device have gone\n")); continue; }#ifdef NAVO_TEST continue;#else //NAVO_TEST //if(!CheckDevice(HwDeviceExtension, i, j, FALSE)) if(!UniataAnybodyHome(HwDeviceExtension, j, i)) { continue; } if(!CheckDevice(HwDeviceExtension, j, i, TRUE)) { continue; } } else { if(ChipFlags & UNIATA_AHCI) { // everything is done in UniataAhciReset() KdPrint2((PRINT_PREFIX " found some device\n"));
if(!IssueIdentify(HwDeviceExtension, i, j, ATAPI_DEVICE(chan, i) ? IDE_COMMAND_ATAPI_IDENTIFY : IDE_COMMAND_IDENTIFY, FALSE)) { KdPrint2((PRINT_PREFIX " identify failed !\n")); UniataForgetDevice(chan->lun[i]); } continue; } if(!UniataAnybodyHome(HwDeviceExtension, j, i)) { KdPrint2((PRINT_PREFIX " device have gone\n")); UniataForgetDevice(chan->lun[i]); }#endif //NAVO_TEST }
SelectDrive(chan, i); AtapiStallExecution(10); statusByte = WaitOnBusyLong(chan); statusByte = UniataIsIdle(deviceExtension, statusByte); if(statusByte == IDE_STATUS_WRONG) { KdPrint2((PRINT_PREFIX "no drive, status %#x\n", statusByte)); UniataForgetDevice(chan->lun[i]); } else // Check for ATAPI disk. if (ATAPI_DEVICE(chan, i)) { // Issue soft reset and issue identify. GetStatus(chan, statusByte); KdPrint2((PRINT_PREFIX "AtapiResetController: Status before Atapi reset (%#x).\n", statusByte));
AtapiDisableInterrupts(deviceExtension, j); AtapiSoftReset(chan, i); AtapiEnableInterrupts(deviceExtension, j);
GetStatus(chan, statusByte);
if(statusByte != IDE_STATUS_SUCCESS) { ULONG k; k = UniataAnybodyHome(deviceExtension, j, i); if(k == ATA_AT_HOME_HDD) { // device reset in progress, perform additional wait KdPrint2((PRINT_PREFIX " long reset, wait up to 4.5 s\n")); k = 30 * 1000; while ((AtapiReadPort1(chan, IDX_IO1_i_Status) & IDE_STATUS_BUSY) && k--) { AtapiStallExecution(150); } KdPrint2((PRINT_PREFIX " exit after %u loops\n", k)); GetStatus(chan, statusByte); } } if(statusByte == IDE_STATUS_SUCCESS) {
IssueIdentify(HwDeviceExtension, i, j, IDE_COMMAND_ATAPI_IDENTIFY, FALSE); } else {
KdPrint2((PRINT_PREFIX "AtapiResetController: Status after soft reset %#x\n", statusByte)); } GetBaseStatus(chan, statusByte);
} else { // Issue identify and reinit after channel reset.
if (statusByte != IDE_STATUS_IDLE && statusByte != IDE_STATUS_SUCCESS && statusByte != IDE_STATUS_DRDY) {// result2 = FALSE; KdPrint2((PRINT_PREFIX "AtapiResetController: IdeHardReset failed\n")); } else if(!IssueIdentify(HwDeviceExtension, i, j, IDE_COMMAND_IDENTIFY, FALSE)) {// result2 = FALSE; KdPrint2((PRINT_PREFIX "AtapiResetController: IDE IssueIdentify failed\n")); } else // Set disk geometry parameters. if (!SetDriveParameters(HwDeviceExtension, i, j)) { KdPrint2((PRINT_PREFIX "AtapiResetController: SetDriveParameters failed\n")); } GetBaseStatus(chan, statusByte); } // force DMA mode reinit KdPrint2((PRINT_PREFIX " set DFLAGS_REINIT_DMA\n")); chan->lun[i]->DeviceFlags |= DFLAGS_REINIT_DMA; }#endif //0
// Enable interrupts, note, we can have here recursive disable AtapiStallExecution(10); KdPrint2((PRINT_PREFIX "AtapiResetController: deviceExtension->chan[%d].DisableIntr %d -> 1\n", j, chan->DisableIntr)); AtapiEnableInterrupts(deviceExtension, j);
// Call the HwInitialize routine to setup multi-block. AtapiHwInitialize__(deviceExtension, j); } // for(channel) ScsiPortNotification(NextRequest, deviceExtension, NULL);
return TRUE;
} // end AtapiResetController__()
/*++
Routine Description: This routine maps ATAPI and IDE errors to specific SRB statuses.
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet
Return Value: SRB status
--*/ULONGNTAPIMapError( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG lChannel = GET_CHANNEL(Srb); PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]);// ULONG i; UCHAR errorByte = 0; UCHAR srbStatus = SRB_STATUS_SUCCESS; UCHAR scsiStatus; ULONG DeviceNumber = GET_CDEV(Srb); PHW_LU_EXTENSION LunExt = chan->lun[DeviceNumber];
// Read the error register.
if(deviceExtension->HwFlags & UNIATA_AHCI) { PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension); if(AtaReq) { errorByte = AtaReq->ahci.in_error; } else { } } else { errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error); } KdPrint2((PRINT_PREFIX "MapError: Error register is %#x\n", errorByte));
if (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) {
switch (errorByte >> 4) { case SCSI_SENSE_NO_SENSE:
KdPrint2((PRINT_PREFIX "ATAPI: No sense information\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_RECOVERED_ERROR:
KdPrint2((PRINT_PREFIX "ATAPI: Recovered error\n")); scsiStatus = 0; srbStatus = SRB_STATUS_SUCCESS; break;
case SCSI_SENSE_NOT_READY:
KdPrint2((PRINT_PREFIX "ATAPI: Device not ready\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_MEDIUM_ERROR:
KdPrint2((PRINT_PREFIX "ATAPI: Media error\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_HARDWARE_ERROR:
KdPrint2((PRINT_PREFIX "ATAPI: Hardware error\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_ILLEGAL_REQUEST:
KdPrint2((PRINT_PREFIX "ATAPI: Illegal request\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_UNIT_ATTENTION:
KdPrint2((PRINT_PREFIX "ATAPI: Unit attention\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_DATA_PROTECT:
KdPrint2((PRINT_PREFIX "ATAPI: Data protect\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_BLANK_CHECK:
KdPrint2((PRINT_PREFIX "ATAPI: Blank check\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
case SCSI_SENSE_ABORTED_COMMAND: KdPrint2((PRINT_PREFIX "Atapi: Command Aborted\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR; break;
default:
KdPrint2((PRINT_PREFIX "ATAPI: Invalid sense information\n")); scsiStatus = 0; srbStatus = SRB_STATUS_ERROR; break; }
} else {
scsiStatus = 0;
// Save errorByte,to be used by SCSIOP_REQUEST_SENSE. chan->ReturningMediaStatus = errorByte;
if (errorByte & IDE_ERROR_MEDIA_CHANGE_REQ) { KdPrint2((PRINT_PREFIX "IDE: Media change\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_MEDIUM_CHANGED; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
} else if (errorByte & IDE_ERROR_COMMAND_ABORTED) { KdPrint2((PRINT_PREFIX "IDE: Command abort\n")); srbStatus = SRB_STATUS_ABORTED; scsiStatus = SCSISTAT_CHECK_CONDITION;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_ABORTED_COMMAND; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
LunExt->ErrorCount++;
} else if (errorByte & IDE_ERROR_END_OF_MEDIA) {
KdPrint2((PRINT_PREFIX "IDE: End of media\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_MEDIA_STATE; senseBuffer->AdditionalSenseCodeQualifier = SCSI_SENSEQ_END_OF_MEDIUM; senseBuffer->EndOfMedia = 1;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
if (!(LunExt->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED)){ LunExt->ErrorCount++; }
} else if (errorByte & IDE_ERROR_ILLEGAL_LENGTH) {
KdPrint2((PRINT_PREFIX "IDE: Illegal length\n")); srbStatus = SRB_STATUS_INVALID_REQUEST;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_ILLEGAL_REQUEST; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_INVALID_VALUE; senseBuffer->AdditionalSenseCodeQualifier = SCSI_SENSEQ_PARAM_INVALID_VALUE; senseBuffer->IncorrectLength = 1;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
} else if (errorByte & IDE_ERROR_BAD_BLOCK) {
KdPrint2((PRINT_PREFIX "IDE: Bad block\n")); srbStatus = SRB_STATUS_ERROR; scsiStatus = SCSISTAT_CHECK_CONDITION; if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_MEDIUM_ERROR; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
} else if (errorByte & IDE_ERROR_ID_NOT_FOUND) {
KdPrint2((PRINT_PREFIX "IDE: Id not found\n")); srbStatus = SRB_STATUS_ERROR; scsiStatus = SCSISTAT_CHECK_CONDITION;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_MEDIUM_ERROR; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
LunExt->ErrorCount++;
} else if (errorByte & IDE_ERROR_MEDIA_CHANGE) {
KdPrint2((PRINT_PREFIX "IDE: Media change\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR;
if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_MEDIUM_CHANGED; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; }
} else if (errorByte & IDE_ERROR_DATA_ERROR) {
KdPrint2((PRINT_PREFIX "IDE: Data error\n")); scsiStatus = SCSISTAT_CHECK_CONDITION; srbStatus = SRB_STATUS_ERROR;
if (!(LunExt->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED)){ LunExt->ErrorCount++; }
// Build sense buffer if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_MEDIUM_ERROR; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
srbStatus |= SRB_STATUS_AUTOSENSE_VALID; } }
if (LunExt->ErrorCount >= MAX_ERRORS) {// deviceExtension->DWordIO = FALSE;
KdPrint2((PRINT_PREFIX "MapError: ErrorCount >= MAX_ERRORS\n"));
LunExt->DeviceFlags &= ~DFLAGS_DWORDIO_ENABLED; LunExt->MaximumBlockXfer = 0; BrutePoint();
KdPrint2((PRINT_PREFIX "MapError: Disabling 32-bit PIO and Multi-sector IOs\n"));
// Log the error. KdPrint2((PRINT_PREFIX "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d)\n", HwDeviceExtension, Srb, Srb->PathId, Srb->TargetId, Srb->Lun, SP_BAD_FW_WARNING, 4 )); ScsiPortLogError( HwDeviceExtension, Srb, Srb->PathId, Srb->TargetId, Srb->Lun, SP_BAD_FW_WARNING, 4);
// Reprogram to not use Multi-sector. UCHAR statusByte;
if (LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT && !(LunExt->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_MANUAL_CHS))) {
statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_MULTIPLE, 0, 0, 0, 0, 0, ATA_WAIT_BASE_READY);
// Check for errors. Reset the value to 0 (disable MultiBlock) if the // command was aborted. if (statusByte & IDE_STATUS_ERROR) {
// Read the error register. errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
KdPrint2((PRINT_PREFIX "MapError: Error setting multiple mode. Status %#x, error byte %#x\n", statusByte, errorByte));
// Adjust the devExt. value, if necessary. LunExt->MaximumBlockXfer = 0; BrutePoint();
} } } }
// Set SCSI status to indicate a check condition. Srb->ScsiStatus = scsiStatus;
return srbStatus;
} // end MapError()
/*++
Routine Description:
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage ->HwInitialize
Return Value: TRUE - if initialization successful. FALSE - if initialization unsuccessful.
--*/BOOLEANNTAPIAtapiHwInitialize( IN PVOID HwDeviceExtension ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG numberChannels = deviceExtension->NumberChannels; ULONG c;
KdPrint2((PRINT_PREFIX "AtapiHwInitialize: (base)\n"));
if(WinVer_WDM_Model) { AtapiResetController__(HwDeviceExtension, CHAN_NOT_SPECIFIED, RESET_COMPLETE_ALL); } if(deviceExtension->MasterDev) { KdPrint2((PRINT_PREFIX " mark chan %d of master controller [%x] as inited\n", deviceExtension->Channel, deviceExtension->DevIndex)); BMList[deviceExtension->DevIndex].ChanInitOk |= 0x01 << deviceExtension->Channel; }
/* do extra chipset specific setups */ AtapiChipInit(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, CHAN_NOT_SPECIFIED);/* if(deviceExtension->Isr2DevObj && (deviceExtension->HwFlags & UNIATA_SATA)) { KdPrint2((PRINT_PREFIX " enable ISR2 to catch unexpected interrupts\n")); BMList[deviceExtension->DevIndex].Isr2Enable = TRUE; }*/ for (c = 0; c < numberChannels; c++) { AtapiHwInitialize__(deviceExtension, c); } KdPrint2((PRINT_PREFIX "AtapiHwInitialize: (base) done\n")); return TRUE;} // end AtapiHwInitialize()
VOIDNTAPIAtapiHwInitialize__( IN PHW_DEVICE_EXTENSION deviceExtension, IN ULONG lChannel ){ ULONG i; UCHAR statusByte, errorByte; PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); PHW_LU_EXTENSION LunExt;// ULONG tmp32; ULONG PreferedMode = 0xffffffff;
if((deviceExtension->HwFlags & UNIATA_AHCI) && !UniataAhciChanImplemented(deviceExtension, lChannel)) { return; }
AtapiChipInit(deviceExtension, DEVNUM_NOT_SPECIFIED, lChannel); FindDevices(deviceExtension, 0, lChannel);
for (i = 0; i < chan->NumberLuns; i++) {
KdPrint3((PRINT_PREFIX "AtapiHwInitialize: lChannel %#x, dev %x\n", lChannel, i));
LunExt = chan->lun[i]; // skip empty slots if (!(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { continue; }
AtapiDisableInterrupts(deviceExtension, lChannel); AtapiStallExecution(1);
if (!(LunExt->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_MANUAL_CHS))) {
KdPrint2((PRINT_PREFIX "AtapiHwInitialize: IDE branch\n")); // Enable media status notification IdeMediaStatus(TRUE,deviceExtension,lChannel,(UCHAR)i);
// If supported, setup Multi-block transfers. statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_MULTIPLE, 0, 0, 0, LunExt->MaximumBlockXfer, 0, ATA_WAIT_BASE_READY);
// Check for errors. Reset the value to 0 (disable MultiBlock) if the // command was aborted. if (statusByte & IDE_STATUS_ERROR) {
// Read the error register. errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Error setting multiple mode. Status %#x, error byte %#x\n", statusByte, errorByte));
statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_MULTIPLE, 0, 0, 0, 0, 0, ATA_WAIT_BASE_READY);
if (statusByte & IDE_STATUS_ERROR) { // Read the error register. errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Error disabling multiple mode. Status %#x, error byte %#x\n", statusByte, errorByte)); } // Adjust the devExt. value, if necessary. LunExt->MaximumBlockXfer = 0;
} else { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Using Multiblock on Device %d. Blocks / int - %d\n", i, LunExt->MaximumBlockXfer)); }
if(LunExt->IdentifyData.MajorRevision) {
if(LunExt->opt_ReadCacheEnable) { KdPrint2((PRINT_PREFIX " Try Enable Read Cache\n")); // If supported, setup read/write cacheing statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_ENAB_RCACHE, ATA_WAIT_BASE_READY);
// Check for errors. if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Enable read/write cacheing on Device %d failed\n", i)); LunExt->DeviceFlags &= ~DFLAGS_RCACHE_ENABLED; } else { LunExt->DeviceFlags |= DFLAGS_RCACHE_ENABLED; } } else { KdPrint2((PRINT_PREFIX " Disable Read Cache\n")); statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_RCACHE, ATA_WAIT_BASE_READY); LunExt->DeviceFlags &= ~DFLAGS_RCACHE_ENABLED; } if(LunExt->IdentifyData.FeaturesSupport.WriteCache) { if(LunExt->opt_WriteCacheEnable) { KdPrint2((PRINT_PREFIX " Try Enable Write Cache\n")); // If supported & allowed, setup write cacheing statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_ENAB_WCACHE, ATA_WAIT_BASE_READY); // Check for errors. if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Enable write cacheing on Device %d failed\n", i)); LunExt->DeviceFlags &= ~DFLAGS_WCACHE_ENABLED; } else { LunExt->DeviceFlags |= DFLAGS_WCACHE_ENABLED; } } else { KdPrint2((PRINT_PREFIX " Disable Write Cache\n")); statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_WCACHE, ATA_WAIT_BASE_READY); LunExt->DeviceFlags &= ~DFLAGS_WCACHE_ENABLED; } }
if(/*LunExt->IdentifyData.FeaturesSupport.PowerMngt ||*/ LunExt->IdentifyData.FeaturesSupport.APM) {
if(LunExt->opt_AdvPowerMode) { KdPrint2((PRINT_PREFIX " Try Enable Adv. Power Mgmt\n")); // setup APM statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, LunExt->opt_AdvPowerMode, ATA_C_F_ENAB_APM, ATA_WAIT_BASE_READY); // Check for errors. if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Enable APM on Device %d failed\n", i)); } } else { KdPrint2((PRINT_PREFIX " Disable Adv. Power Mgmt\n")); statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_APM, ATA_WAIT_BASE_READY); } } if(LunExt->IdentifyData.FeaturesSupport.AutoAcoustic) { if(LunExt->opt_AcousticMode) { KdPrint2((PRINT_PREFIX " Try Enable Acoustic Mgmt\n")); // setup acoustic mgmt statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, LunExt->opt_AcousticMode, ATA_C_F_ENAB_ACOUSTIC, ATA_WAIT_BASE_READY); // Check for errors. if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Enable Acoustic Mgmt on Device %d failed\n", i)); } } else { KdPrint2((PRINT_PREFIX " Disable Acoustic Mgmt\n")); statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_ACOUSTIC, ATA_WAIT_BASE_READY); } } if(LunExt->IdentifyData.FeaturesSupport.Standby) { KdPrint2((PRINT_PREFIX " Try init standby timer: %d\n")); // setup standby timer statusByte = AtaCommand(deviceExtension, i, lChannel, IDE_COMMAND_IDLE, 0, 0, 0, LunExt->opt_StandbyTimer, 0, ATA_WAIT_BASE_READY); // Check for errors. if (statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: standby timer on Device %d failed\n", i)); } } }
} else if (!(LunExt->DeviceFlags & DFLAGS_CHANGER_INITED)){
ULONG j; //BOOLEAN isSanyo = FALSE; CCHAR vendorId[26];
KdPrint2((PRINT_PREFIX "AtapiHwInitialize: ATAPI/Changer branch\n"));
// Attempt to identify any special-case devices - psuedo-atapi changers, atapi changers, etc. for (j = 0; j < 26; j += 2) {
// Build a buffer based on the identify data. MOV_DW_SWP(vendorId[j], ((PUCHAR)LunExt->IdentifyData.ModelNumber)[j]); }
if (!AtapiStringCmp (vendorId, "CD-ROM CDR", 11)) {
// Inquiry string for older model had a '-', newer is '_' if (vendorId[12] == 'C') {
// Torisan changer. Set the bit. This will be used in several places // acting like 1) a multi-lun device and 2) building the 'special' TUR's. LunExt->DeviceFlags |= (DFLAGS_CHANGER_INITED | DFLAGS_SANYO_ATAPI_CHANGER); LunExt->DiscsPresent = 3; //isSanyo = TRUE; } } }
PreferedMode = LunExt->opt_MaxTransferMode; if((PreferedMode == 0xffffffff) || (PreferedMode > chan->MaxTransferMode)) { KdPrint2((PRINT_PREFIX "MaxTransferMode (overriden): %#x\n", chan->MaxTransferMode)); PreferedMode = chan->MaxTransferMode; }
if(LunExt->opt_PreferedTransferMode != 0xffffffff) { KdPrint2((PRINT_PREFIX "PreferedTransferMode: %#x\n", PreferedMode)); PreferedMode = min(LunExt->opt_PreferedTransferMode, PreferedMode); }
KdPrint2((PRINT_PREFIX " try mode %#x\n", PreferedMode)); LunExt->LimitedTransferMode = LunExt->TransferMode = (CHAR)PreferedMode;
AtapiDmaInit__(deviceExtension, LunExt);
LunExt->LimitedTransferMode = LunExt->TransferMode; KdPrint2((PRINT_PREFIX "Using %#x mode\n", LunExt->TransferMode));
// We need to get our device ready for action before // returning from this function
// According to the atapi spec 2.5 or 2.6, an atapi device // clears its status BSY bit when it is ready for atapi commands. // However, some devices (Panasonic SQ-TC500N) are still // not ready even when the status BSY is clear. They don't react // to atapi commands. // // Since there is really no other indication that tells us // the drive is really ready for action. We are going to check BSY // is clear and then just wait for an arbitrary amount of time! // if (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) { ULONG waitCount;
// have to get out of the loop sometime! // 10000 * 100us = 1000,000us = 1000ms = 1s waitCount = 10000; GetStatus(chan, statusByte); if(statusByte == IDE_STATUS_WRONG) { waitCount = 0; } while ((statusByte & IDE_STATUS_BUSY) && waitCount) {
KdPrint2((PRINT_PREFIX "Wait for ATAPI (status %x)\n", statusByte)); // Wait for Busy to drop. AtapiStallExecution(100); GetStatus(chan, statusByte); waitCount--; }
// 5000 * 100us = 500,000us = 500ms = 0.5s if(statusByte != IDE_STATUS_WRONG) { waitCount = 5000; do { AtapiStallExecution(100); } while (waitCount--); } } GetBaseStatus(chan, statusByte); AtapiEnableInterrupts(deviceExtension, lChannel); AtapiStallExecution(10); }
return;
} // end AtapiHwInitialize__()
#ifndef UNIATA_CORE
VOIDNTAPIAtapiHwInitializeChanger( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN PMECHANICAL_STATUS_INFORMATION_HEADER MechanismStatus){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG lChannel = GET_CHANNEL(Srb); PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); ULONG DeviceNumber = GET_CDEV(Srb); PHW_LU_EXTENSION LunExt = chan->lun[DeviceNumber];
if (MechanismStatus) { LunExt->DiscsPresent = MechanismStatus->NumberAvailableSlots; if (LunExt->DiscsPresent > 1) { LunExt->DeviceFlags |= DFLAGS_ATAPI_CHANGER; } } return;} // end AtapiHwInitializeChanger()
/*++
Routine Description: This routine will parse the string for a match on the keyword, then calculate the value for the keyword and return it to the caller.
Arguments: String - The ASCII string to parse. KeyWord - The keyword for the value desired.
Return Values: Zero if value not found Value converted from ASCII to binary.
--*/ULONGNTAPIAtapiParseArgumentString( IN PCCH String, IN PCCH KeyWord ){ PCCH cptr; PCCH kptr; ULONG value; ULONG stringLength = 0; ULONG keyWordLength = 0; ULONG index;
if (!String) { return 0; } if (!KeyWord) { return 0; }
// Calculate the string length and lower case all characters. cptr = String; while (*cptr++) { stringLength++; }
// Calculate the keyword length. kptr = KeyWord; while (*kptr++) { keyWordLength++; }
if (keyWordLength > stringLength) {
// Can't possibly have a match. return 0; }
// Now setup and start the compare. cptr = String;
ContinueSearch:
// The input string may start with white space. Skip it. while (*cptr == ' ' || *cptr == '\t') { cptr++; }
if (*cptr == '\0') { // end of string. return 0; }
kptr = KeyWord; while ((*cptr == *kptr) || (*cptr >= 'A' && *cptr <= 'Z' && *cptr + ('a' - 'A') == *kptr) || (*cptr >= 'a' && *cptr <= 'z' && *cptr - ('a' - 'A') == *kptr)) { cptr++; kptr++;
if (*cptr == '\0') { // end of string return 0; } }
if (*kptr == '\0') {
// May have a match backup and check for blank or equals. while (*cptr == ' ' || *cptr == '\t') { cptr++; }
// Found a match. Make sure there is an equals. if (*cptr != '=') {
// Not a match so move to the next semicolon. while (*cptr) { if (*cptr++ == ';') { goto ContinueSearch; } } return 0; } // Skip the equals sign. cptr++;
// Skip white space. while ((*cptr == ' ') || (*cptr == '\t')) { cptr++; }
if (*cptr == '\0') { // Early end of string, return not found return 0; }
if (*cptr == ';') { // This isn't it either. cptr++; goto ContinueSearch; }
value = 0; if ((*cptr == '0') && ((*(cptr + 1) == 'x') || (*(cptr + 1) == 'X'))) { // Value is in Hex. Skip the "0x" cptr += 2; for (index = 0; *(cptr + index); index++) {
if (*(cptr + index) == ' ' || *(cptr + index) == '\t' || *(cptr + index) == ';') { break; }
if ((*(cptr + index) >= '0') && (*(cptr + index) <= '9')) { value = (16 * value) + (*(cptr + index) - '0'); } else { if ((*(cptr + index) >= 'a') && (*(cptr + index) <= 'f')) { value = (16 * value) + (*(cptr + index) - 'a' + 10); } else if ((*(cptr + index) >= 'A') && (*(cptr + index) <= 'F')) { value = (16 * value) + (*(cptr + index) - 'A' + 10); } else { // Syntax error, return not found. return 0; } } } } else {
// Value is in Decimal. for (index = 0; *(cptr + index); index++) {
if (*(cptr + index) == ' ' || *(cptr + index) == '\t' || *(cptr + index) == ';') { break; }
if ((*(cptr + index) >= '0') && (*(cptr + index) <= '9')) { value = (10 * value) + (*(cptr + index) - '0'); } else {
// Syntax error return not found. return 0; } } }
return value; } else {
// Not a match check for ';' to continue search. while (*cptr) { if (*cptr++ == ';') { goto ContinueSearch; } }
return 0; }} // end AtapiParseArgumentString()_
/* Timer callback*/VOIDNTAPIAtapiCallBack__( IN PVOID HwDeviceExtension, IN UCHAR lChannel ){
PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); ULONG c, _c;
PSCSI_REQUEST_BLOCK srb = UniataGetCurRequest(chan); UCHAR statusByte;
KdPrint2((PRINT_PREFIX "AtapiCallBack:\n")); // If the last command was DSC restrictive, see if it's set. If so, the device is // ready for a new request. Otherwise, reset the timer and come back to here later.
// If ISR decided to wait for BUSY or DRQ in DPC, we shall also get here. // In this case chan->ExpectingInterrupt == TRUE, but interrupts are disabled, thus, // we shall have no problem with interrupt handler. if (!srb || chan->ExpectingInterrupt) { KdPrint2((PRINT_PREFIX "AtapiCallBack: Calling ISR directly due to BUSY\n")); chan->DpcState = DPC_STATE_TIMER; if(!AtapiInterrupt__(HwDeviceExtension, lChannel)) { InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); KdPrint2((PRINT_PREFIX "AtapiCallBack: What's fucking this ???\n")); } goto ReturnCallback; }
#ifdef _DEBUG if (!IS_RDP((srb->Cdb[0]))) { KdPrint2((PRINT_PREFIX "AtapiCallBack: Invalid CDB marked as RDP - %#x\n", srb->Cdb[0])); }#endif if(!(chan->RDP)) { goto ReturnEnableIntr; } GetStatus(chan, statusByte); if (statusByte & IDE_STATUS_DSC) {
UCHAR PathId = srb->PathId; UCHAR TargetId = srb->TargetId; UCHAR Lun = srb->Lun;
KdPrint2((PRINT_PREFIX "AtapiCallBack: Found DSC for RDP - %#x\n", srb->Cdb[0])); AtapiDmaDBSync(chan, srb); UniataRemoveRequest(chan, srb); ScsiPortNotification(RequestComplete, deviceExtension, srb); // Clear current SRB. if(!deviceExtension->simplexOnly) { srb = UniataGetCurRequest(chan); } else { srb = NULL; } chan->RDP = FALSE;
// Ask for next request. ScsiPortNotification(NextLuRequest, deviceExtension, PathId, TargetId, Lun); ScsiPortNotification(NextRequest, deviceExtension, NULL);
if(srb) { AtapiStartIo__(HwDeviceExtension, srb, FALSE); }
} else { KdPrint2((PRINT_PREFIX "AtapiCallBack: Requesting another timer for Op %#x\n", srb->Cdb[0]));
AtapiQueueTimerDpc(HwDeviceExtension, lChannel, AtapiCallBack_X, 1000);
goto ReturnCallback; }
ReturnEnableIntr:
if(CrNtInterlockedExchangeAdd(&(chan->DisableIntr), 0)) { KdPrint2((PRINT_PREFIX "AtapiCallBack: CallDisableInterrupts\n")); //ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL);#ifdef UNIATA_USE_XXableInterrupts chan->ChannelCtrlFlags |= CTRFLAGS_ENABLE_INTR_REQ; // must be called on DISPATCH_LEVEL ScsiPortNotification(CallDisableInterrupts, HwDeviceExtension, AtapiEnableInterrupts__);#else AtapiEnableInterrupts(HwDeviceExtension, lChannel); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); // Will raise IRQL to DIRQL AtapiQueueTimerDpc(HwDeviceExtension, lChannel, AtapiEnableInterrupts__, 1); KdPrint2((PRINT_PREFIX "AtapiInterrupt: Timer DPC inited\n"));#endif // UNIATA_USE_XXableInterrupts } else { //ASSERT(!deviceExtension->simplexOnly); }
ReturnCallback:
// Check other channel // In simplex mode no interrupts must appear on other channels for(_c=0; _c<deviceExtension->NumberChannels; _c++) { c = (_c+deviceExtension->FirstChannelToCheck) % deviceExtension->NumberChannels;
if(c == lChannel) { continue; }
chan = &(deviceExtension->chan[c]);
if((ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(chan->CheckIntr), CRNT_ILK_TYPE CHECK_INTR_ACTIVE, CRNT_ILK_TYPE CHECK_INTR_DETECTED) == CHECK_INTR_DETECTED) { //ASSERT(!deviceExtension->simplexOnly); chan->DpcState = DPC_STATE_ISR; if(!AtapiInterrupt__(HwDeviceExtension, (UCHAR)c)) { InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); } } } KdPrint2((PRINT_PREFIX "AtapiCallBack: return\n")); return;
} // end AtapiCallBack__()
VOIDNTAPIAtapiCallBack_X( IN PVOID HwDeviceExtension ){ AtapiCallBack__(HwDeviceExtension, (UCHAR)((PHW_DEVICE_EXTENSION)HwDeviceExtension)->ActiveDpcChan);} // end AtapiCallBack_X()
#endif //UNIATA_CORE
/*++
Routine Description:
This is the interrupt service routine for ATAPI IDE miniport driver.
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage
Return Value:
TRUE if expecting an interrupt.
--*/BOOLEANNTAPIAtapiInterrupt( IN PVOID HwDeviceExtension ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG c, _c; BOOLEAN status = FALSE; ULONG c_state; ULONG i_res = 0; ULONG pass; //BOOLEAN checked[AHCI_MAX_PORT]; ULONG hIS; ULONG checked;
KdPrint2((PRINT_PREFIX "Intr: DeviceID+VendorID/Rev %#x/%#x (ex %d)\n", deviceExtension->DevID, deviceExtension->RevID, deviceExtension->ExpectingInterrupt ));
if(deviceExtension->HwFlags & UNIATA_AHCI) { // AHCI may generate state change notification, never skip this check hIS = UniataAhciReadHostPort4(deviceExtension, IDX_AHCI_IS); KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): AHCI: hIS=%x cntrlr %#x chan %#x\n",hIS, deviceExtension->DevIndex, deviceExtension->Channel)); if(!hIS) { return FALSE; } // assume all non-interrupted ports to be already checked checked = ~hIS; // assume all not implemented ports to be already checked checked |= ~deviceExtension->AHCI_PI; } else { checked = 0; // assume all ports are not checked }
if(!deviceExtension->ExpectingInterrupt) { // if we do not expect interrupt, exit now, // but keep in mind that it can be unexpected one // Note: this is just a hint, not exact counter KdPrint2((PRINT_PREFIX "unexpected, 1st chance\n")); //deviceExtension->ExpectingInterrupt++; //return FALSE; } // clear this flag now, it can be set again in sub-calls deviceExtension->ExpectingInterrupt=0;
// for(_c=0; _c<deviceExtension->NumberChannels; _c++) {// checked[_c] = (UCHAR)((hIS >> _c) & 0x01);// }
// fc = for(pass=0; pass<2; pass++) { //KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): pass %d\n", pass)); if(status && pass) { // we catched some expected interrupts now. // do not touch unexpected until next ISR call break; } for(_c=0; _c<deviceExtension->NumberChannels; _c++) {
c = (_c+deviceExtension->FirstChannelToCheck) % deviceExtension->NumberChannels;
if((checked>>c) & 0x01) continue;
// check non-empty and expecting interrupt channels first if(!pass && !deviceExtension->chan[c].ExpectingInterrupt) continue;
checked |= (ULONG)1 << c;
KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): cntrlr %#x chan %#x\n",deviceExtension->DevIndex, c));
if(CrNtInterlockedExchangeAdd(&(deviceExtension->chan[c].DisableIntr), 0)) { // we get here on idle channels or when ISR is posted to DPC KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): disabled INTR on ch %d\n", c)); continue; } // lock channel. Wait, while 2nd ISR checks interrupt on this channel do { KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): try lock\n")); // c_state = deviceExtension->chan[c].CheckIntr; // if (deviceExtension->chan[c].CheckIntr == CHECK_INTR_DETECTED) { // deviceExtension->chan[c].CheckIntr = CHECK_INTR_ACTIVE; // } c_state = (ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(deviceExtension->chan[c].CheckIntr), CRNT_ILK_TYPE CHECK_INTR_ACTIVE, CRNT_ILK_TYPE CHECK_INTR_DETECTED); if(c_state == CHECK_INTR_IDLE) { // c_state = deviceExtension->chan[c].CheckIntr; // if (deviceExtension->chan[c].CheckIntr == CHECK_INTR_IDLE) { // deviceExtension->chan[c].CheckIntr = CHECK_INTR_ACTIVE // } c_state = (ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(deviceExtension->chan[c].CheckIntr), CRNT_ILK_TYPE CHECK_INTR_ACTIVE, CRNT_ILK_TYPE CHECK_INTR_IDLE); } } while(c_state == CHECK_INTR_CHECK); KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): locked\n")); // check if already serviced if(c_state == CHECK_INTR_ACTIVE) { KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): CHECK_INTR_ACTIVE\n")); continue; }
if((c_state == CHECK_INTR_DETECTED) || (i_res = AtapiCheckInterrupt__(deviceExtension, (UCHAR)c))) {
if(i_res == INTERRUPT_REASON_UNEXPECTED) { KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): Catch unexpected\n")); InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); //return TRUE; status = TRUE; continue; } // disable interrupts on other channel of legacy mode // ISA-bridged onboard controller if(deviceExtension->simplexOnly /*|| ((WinVer_Id() > WinVer_NT) && BMList[deviceExtension->DevIndex].MasterDev)*/) { AtapiDisableInterrupts(deviceExtension, !c); }
deviceExtension->chan[c].DpcState = DPC_STATE_ISR; if(AtapiInterrupt__(HwDeviceExtension, (UCHAR)c)) { deviceExtension->LastInterruptedChannel = (UCHAR)c; KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): return status TRUE\n")); status = TRUE; } else { KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): set CHECK_INTR_IDLE\n")); InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); }
// re-enable interrupts on other channel if(deviceExtension->simplexOnly /*|| ((WinVer_Id() > WinVer_NT) && BMList[deviceExtension->DevIndex].MasterDev)*/) { AtapiEnableInterrupts(deviceExtension, !c); }
} else { KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): set CHECK_INTR_IDLE (2)\n")); InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); }
} } KdPrint2((PRINT_PREFIX "AtapiInterrupt(base): exit with status %#x\n", status)); if(status) { deviceExtension->FirstChannelToCheck++; if(deviceExtension->FirstChannelToCheck >= deviceExtension->NumberChannels) deviceExtension->FirstChannelToCheck = 0; } return status;} // end AtapiInterrupt()
//ULONG i2c = 0;#ifndef UNIATA_CORE
BOOLEANNTAPIAtapiInterrupt2( IN PKINTERRUPT Interrupt, IN PVOID Isr2HwDeviceExtension ){ // This ISR is intended to catch interrupts when we are already in other ISR instance // for the same device. This may happen when we have multiple channels, // especially on SMP machines
PISR2_DEVICE_EXTENSION Isr2DeviceExtension = (PISR2_DEVICE_EXTENSION)Isr2HwDeviceExtension; PHW_DEVICE_EXTENSION deviceExtension = Isr2DeviceExtension->HwDeviceExtension; ULONG c; BOOLEAN status = FALSE; ULONG c_count = 0; ULONG i_res; ULONG hIS; ULONG checked;
// we should never get here for ISA/MCA if(!BMList[deviceExtension->DevIndex].Isr2Enable) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: NOT ACTIVE cntrlr %#x chan %#x\n",deviceExtension->DevIndex, deviceExtension->Channel)); return FALSE; }
if(deviceExtension->HwFlags & UNIATA_AHCI) { // AHCI may generate state change notification, never skip this check hIS = UniataAhciReadHostPort4(deviceExtension, IDX_AHCI_IS); KdPrint2((PRINT_PREFIX "AtapiInterrupt2: AHCI: hIS=%x cntrlr %#x chan %#x\n",hIS, deviceExtension->DevIndex, deviceExtension->Channel)); if(!hIS) { return FALSE; } // assume all non-interrupted ports to be already checked checked = ~hIS; // assume all not implemented ports to be already checked checked |= ~deviceExtension->AHCI_PI;
} else { checked = 0; // assume all ports are not checked } if(!deviceExtension->ExpectingInterrupt) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: !deviceExtension->ExpectingInterrupt\n")); deviceExtension->ExpectingInterrupt++; return FALSE; } //deviceExtension->ExpectingInterrupt = 0;
for(c=0; c<deviceExtension->NumberChannels; c++) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: cntrlr %#x chan %#x\n",deviceExtension->DevIndex, c));
if((checked>>c) & 0x01) continue;
checked |= (ULONG)1 << c;
if(CrNtInterlockedExchangeAdd(&(deviceExtension->chan[c].DisableIntr), 0)) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: disabled INTR\n")); continue; }
if((ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(deviceExtension->chan[c].CheckIntr), CRNT_ILK_TYPE CHECK_INTR_CHECK, CRNT_ILK_TYPE CHECK_INTR_IDLE) != CHECK_INTR_IDLE) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: !CHECK_INTR_IDLE\n")); // hunt on unexpected intr (Some devices generate double interrupts, // some controllers (at least CMD649) interrupt twice with small delay. // If interrupts are disabled, they queue interrupt and re-issue it later, // when we do not expect it. continue; }
c_count++; if((i_res = AtapiCheckInterrupt__(deviceExtension, (UCHAR)c))) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt2: intr\n")); if(i_res == INTERRUPT_REASON_UNEXPECTED) { KdPrint2((PRINT_PREFIX "AtapiInterrupt2: Catch unexpected\n")); InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); return TRUE; }
status = TRUE; InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_DETECTED); } else { InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); } } KdPrint2((PRINT_PREFIX "AtapiInterrupt2: status %d, c_count %d\n", status, c_count)); if(status && (c_count != deviceExtension->NumberChannels)) { // there is an active ISR/DPC for one channel, but // we have an interrupt from another one // Lets inform current ISR/DPC about new interrupt InterlockedExchange(&(deviceExtension->ReCheckIntr), CHECK_INTR_DETECTED); } else { status = FALSE; } KdPrint2((PRINT_PREFIX "AtapiInterrupt2: return %d\n", status)); return status;
} // end AtapiInterrupt2()
RETTYPE_XXableInterruptsNTAPIAtapiInterruptDpc( IN PVOID HwDeviceExtension ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG c;
for(c=0; c<deviceExtension->NumberChannels; c++) { KdPrint2((PRINT_PREFIX "AtapiInterruptDpc: %#x\n",c));
if(!(deviceExtension->chan[c].ChannelCtrlFlags & CTRFLAGS_DPC_REQ)) {
if((ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(deviceExtension->chan[c].CheckIntr), CRNT_ILK_TYPE CHECK_INTR_ACTIVE, CRNT_ILK_TYPE CHECK_INTR_DETECTED) != CHECK_INTR_DETECTED) { continue; }
} else { deviceExtension->chan[c].ChannelCtrlFlags &= ~CTRFLAGS_DPC_REQ; }/* if(OldReqState != REQ_STATE_DPC_INTR_REQ) { AtapiDisableInterrupts(deviceExtension, lChannel); }*/ deviceExtension->chan[c].DpcState = DPC_STATE_DPC; if(!AtapiInterrupt__(HwDeviceExtension, (UCHAR)c)) { InterlockedExchange(&(deviceExtension->chan[c].CheckIntr), CHECK_INTR_IDLE); } } return RETVAL_XXableInterrupts;} // end AtapiInterruptDpc()
RETTYPE_XXableInterruptsNTAPIAtapiEnableInterrupts__( IN PVOID HwDeviceExtension ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; KdPrint2((PRINT_PREFIX "AtapiEnableInterrupts__():\n")); ULONG c; PHW_CHANNEL chan = NULL;
for(c=0; c<deviceExtension->NumberChannels; c++) { KdPrint2((PRINT_PREFIX "AtapiEnableInterrupts__(2): %#x\n",c)); chan = &(deviceExtension->chan[c]);
if(chan->ChannelCtrlFlags & CTRFLAGS_ENABLE_INTR_REQ) { // enable intrs on requested channel chan->ChannelCtrlFlags &= ~CTRFLAGS_ENABLE_INTR_REQ; AtapiEnableInterrupts(HwDeviceExtension, c); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
// check if current or other channel(s) interrupted //AtapiInterrupt(HwDeviceExtension);
if(deviceExtension->simplexOnly) { break; } } else { // check if other channel(s) interrupted // must do nothing in simplex mode if((ULONG)CrNtInterlockedCompareExchange(CRNT_ILK_PTYPE &(chan->CheckIntr), CRNT_ILK_TYPE CHECK_INTR_ACTIVE, CRNT_ILK_TYPE CHECK_INTR_DETECTED) != CHECK_INTR_DETECTED) { continue; } //ASSERT(!deviceExtension->simplexOnly); chan->DpcState = DPC_STATE_ISR; if(!AtapiInterrupt__(HwDeviceExtension, (UCHAR)c)) { InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); } } } // In simplex mode next command must be sent to device here if(deviceExtension->simplexOnly && chan) { PSCSI_REQUEST_BLOCK srb; chan = UniataGetNextChannel(chan); if(chan) { srb = UniataGetCurRequest(chan); } else { srb = NULL; } if(srb) { AtapiStartIo__(HwDeviceExtension, srb, FALSE); } }
return RETVAL_XXableInterrupts;
} // end AtapiEnableInterrupts__()
#endif //UNIATA_CORE
VOIDNTAPIAtapiEnableInterrupts( IN PVOID HwDeviceExtension, IN ULONG c ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan; //UCHAR statusByte;
if(c >= deviceExtension->NumberChannels) { KdPrint2((PRINT_PREFIX "AtapiEnableInterrupts_%d: WRONG CHANNEL\n",c)); return; } if((deviceExtension->HwFlags & UNIATA_AHCI) && !UniataAhciChanImplemented(deviceExtension, c)) { KdPrint2((PRINT_PREFIX "AtapiEnableInterrupts_%d: not imp. CHANNEL\n",c)); return; }
chan = &(deviceExtension->chan[c]); KdPrint2((PRINT_PREFIX "AtapiEnableInterrupts_%d: %d\n",c, chan->DisableIntr)); if(!InterlockedDecrement(&chan->DisableIntr)) { if(deviceExtension->HwFlags & UNIATA_AHCI) { UniataAhciWriteChannelPort4(chan, IDX_AHCI_P_IE, (ATA_AHCI_P_IX_CPD | ATA_AHCI_P_IX_TFE | ATA_AHCI_P_IX_HBF | ATA_AHCI_P_IX_HBD | ATA_AHCI_P_IX_INF | ATA_AHCI_P_IX_IF | ATA_AHCI_P_IX_OF | ((/*ch->pm_level == */0) ? ATA_AHCI_P_IX_PRC | ATA_AHCI_P_IX_PC : 0) | ATA_AHCI_P_IX_PRC | ATA_AHCI_P_IX_PC | /* DEBUG */ ATA_AHCI_P_IX_DI | ATA_AHCI_P_IX_DP | ATA_AHCI_P_IX_UF | ATA_AHCI_P_IX_SDB | ATA_AHCI_P_IX_DS | ATA_AHCI_P_IX_PS | ATA_AHCI_P_IX_DHR) ); } else { //SelectDrive(chan, 0); //GetBaseStatus(chan, statusByte); AtapiWritePort1(chan, IDX_IO2_o_Control, 0 | IDE_DC_A_4BIT ); //if(chan->NumberLuns) { // SelectDrive(chan, 1); // GetBaseStatus(chan, statusByte); // AtapiWritePort1(chan, IDX_IO2_o_Control, // IDE_DC_A_4BIT ); // SelectDrive(chan, chan->cur_cdev); //} } chan->ChannelCtrlFlags &= ~CTRFLAGS_INTR_DISABLED; } else { if(deviceExtension->HwFlags & UNIATA_AHCI) { // keep interrupts disabled UniataAhciWriteChannelPort4(chan, IDX_AHCI_P_IE, 0); } else { AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_DISABLE_INTERRUPTS /*| IDE_DC_A_4BIT*/ ); } } return;} // end AtapiEnableInterrupts()
VOIDNTAPIAtapiDisableInterrupts( IN PVOID HwDeviceExtension, IN ULONG c ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan; if(c >= deviceExtension->NumberChannels) { KdPrint2((PRINT_PREFIX "AtapiDisableInterrupts_%d: WRONG CHANNEL\n",c)); return; } chan = &(deviceExtension->chan[c]); KdPrint2((PRINT_PREFIX "AtapiDisableInterrupts_%d: %d\n",c, chan->DisableIntr)); // mark channel as busy if(InterlockedIncrement(&chan->DisableIntr)) { if(deviceExtension->HwFlags & UNIATA_AHCI) { UniataAhciWriteChannelPort4(chan, IDX_AHCI_P_IE, 0); } else { //SelectDrive(chan, 0); AtapiWritePort1(chan, IDX_IO2_o_Control, IDE_DC_DISABLE_INTERRUPTS /*| IDE_DC_A_4BIT*/ ); //if(chan->NumberLuns) { // SelectDrive(chan, 1); // AtapiWritePort1(chan, IDX_IO2_o_Control, // IDE_DC_DISABLE_INTERRUPTS /*| IDE_DC_A_4BIT*/ ); // SelectDrive(chan, chan->cur_cdev); //} } chan->ChannelCtrlFlags |= CTRFLAGS_INTR_DISABLED; }
return;} // end AtapiDisableInterrupts()
VOIDUniataExpectChannelInterrupt( IN struct _HW_CHANNEL* chan, IN BOOLEAN Expecting ){ chan->ExpectingInterrupt = Expecting; if(Expecting) { chan->DeviceExtension->ExpectingInterrupt++; } else if(chan->DeviceExtension->ExpectingInterrupt) { chan->DeviceExtension->ExpectingInterrupt--; } return;} // end UniataExpectChannelInterrupt()
/* Check hardware for interrupt state */BOOLEANNTAPIAtapiCheckInterrupt__( IN PVOID HwDeviceExtension, IN UCHAR c // logical channel ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan = &(deviceExtension->chan[c]); PHW_LU_EXTENSION LunExt;
ULONG VendorID = deviceExtension->DevID & 0xffff; ULONG ChipType = deviceExtension->HwFlags & CHIPTYPE_MASK;
ULONG status; ULONG pr_status = 0; UCHAR dma_status = 0; UCHAR reg8 = 0; ULONG reg32 = 0; UCHAR statusByte = 0; ULONG slotNumber = deviceExtension->slotNumber; ULONG SystemIoBusNumber = deviceExtension->SystemIoBusNumber; ULONG ChipFlags = deviceExtension->HwFlags & CHIPFLAG_MASK; UCHAR Channel; UCHAR lChannel; BOOLEAN DmaTransfer = FALSE; BOOLEAN OurInterrupt = FALSE; BOOLEAN StatusValid = FALSE;// ULONG k; UCHAR interruptReason; BOOLEAN EarlyIntr = FALSE; BOOLEAN SingleBlockIntr = FALSE;
KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__:\n"));
lChannel = c; Channel = (UCHAR)(deviceExtension->Channel + lChannel); LunExt = chan->lun[chan->cur_cdev];
//KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__ chan %#x:\n", chan)); //KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__ (%d/%d):\n", Channel, chan->cur_cdev));
if((ChipFlags & UNIATA_AHCI) && UniataIsSATARangeAvailable(deviceExtension, lChannel)) {
if(!UniataAhciChanImplemented(deviceExtension, lChannel)) { return OurInterrupt; }
OurInterrupt = UniataAhciStatus(HwDeviceExtension, lChannel, DEVNUM_NOT_SPECIFIED); if((OurInterrupt == INTERRUPT_REASON_UNEXPECTED) && (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE)) { UniataAhciWaitCommandReady(chan, 2 /* ms */ ); statusByte = (UCHAR)UniataAhciWaitReady(chan, 0 /* immediate */); if(!(statusByte & (IDE_STATUS_BUSY)) ) { KdPrint2((PRINT_PREFIX "ATAPI special case READY\n")); //deviceExtension->ExpectingInterrupt++; // will be updated in ISR on ReturnEnableInterrupts OurInterrupt = INTERRUPT_REASON_OUR; } else if((statusByte & (IDE_STATUS_BUSY | IDE_STATUS_DRDY)) == (IDE_STATUS_BUSY | IDE_STATUS_DRDY) ) { KdPrint2((PRINT_PREFIX "ATAPI special case pre ERR-READY\n")); OurInterrupt = INTERRUPT_REASON_OUR; } else if(statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "ATAPI special case ERR-READY\n")); OurInterrupt = INTERRUPT_REASON_OUR; } else { KdPrint2((PRINT_PREFIX "ATAPI special case ? %x\n", statusByte)); OurInterrupt = INTERRUPT_REASON_OUR; } } return OurInterrupt; }
if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_ACTIVE) { DmaTransfer = TRUE; KdPrint2((PRINT_PREFIX " cntrlr %#x:%#x, lch %#x DmaTransfer = TRUE\n", deviceExtension->DevIndex, deviceExtension->Channel + c, c)); } else { KdPrint2((PRINT_PREFIX " cntrlr %#x:%#x, lch %#x DmaTransfer = FALSE\n", deviceExtension->DevIndex, deviceExtension->Channel + c, c)); dma_status = GetDmaStatus(deviceExtension, lChannel); KdPrint2((PRINT_PREFIX " DMA status %#x\n", dma_status)); }
// do controller-specific interrupt servicing staff if(deviceExtension->UnknownDev) { KdPrint2((PRINT_PREFIX " UnknownDev\n")); goto check_unknown; }
// Attention ! // We can catch (BM_STATUS_ACTIVE + BM_STATUS_INTR) when operation is actually completed // Such behavior was observed with Intel ICH-xxx chips // This condition shall also be treated as 'our interrupt' because of BM_STATUS_INTR flag
switch(VendorID) {
case ATA_PROMISE_ID: { switch(ChipType) { case PROLD: case PRNEW: status = AtapiReadPortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressBM_0),0x1c); if (!DmaTransfer) break; if (!(status & ((Channel) ? 0x00004000 : 0x00000400))) { KdPrint2((PRINT_PREFIX " Promise old/new unexpected\n")); return INTERRUPT_REASON_IGNORE; } break; case PRTX: AtapiWritePort1(chan, IDX_BM_DeviceSpecific0, 0x0b); status = AtapiReadPort1(chan, IDX_BM_DeviceSpecific1); if (!DmaTransfer) break; if(!(status & 0x20)) { KdPrint2((PRINT_PREFIX " Promise tx unexpected\n")); return INTERRUPT_REASON_IGNORE; } break; case PRMIO: { ULONG stat_reg = (ChipFlags & PRG2) ? 0x60 : 0x6c; status = AtapiReadPortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressBM_0),0x40); AtapiWritePortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressBM_0),0x40, status);
if(status & (1 << (Channel+1))) { // our } else { KdPrint2((PRINT_PREFIX " Promise mio unexpected\n")); return INTERRUPT_REASON_IGNORE; }
if(!(ChipFlags & UNIATA_SATA)) break;
pr_status = AtapiReadPortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressBM_0),stat_reg); AtapiWritePortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressBM_0),stat_reg, (pr_status & (0x11 << Channel))); if(pr_status & (0x11 << Channel)) { // TODO: reset channel KdPrint2((PRINT_PREFIX " Promise mio unexpected + reset req\n")); UniataSataEvent(deviceExtension, lChannel, UNIATA_SATA_EVENT_DETACH, 0); } if(!(status & (0x01 << Channel))) { // Connect event KdPrint2((PRINT_PREFIX " Promise mio unexpected attach\n")); UniataSataEvent(deviceExtension, lChannel, UNIATA_SATA_EVENT_ATTACH, 0); } if(UniataSataClearErr(HwDeviceExtension, c, UNIATA_SATA_DO_CONNECT, 0)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } else { return INTERRUPT_REASON_IGNORE; }
AtapiWritePort4(chan, IDX_BM_DeviceSpecific0, 0x00000001); break; } } break; } case ATA_NVIDIA_ID: { if(!(ChipFlags & UNIATA_SATA) || (ChipFlags & NVGEN)) break;
KdPrint2((PRINT_PREFIX "NVIDIA\n"));
ULONG offs = (ChipFlags & NV4OFF) ? 0x0440 : 0x0010; ULONG shift = Channel * ((ChipFlags & NVQ) ? 4 : 16);
/* get and clear interrupt status */ if(ChipFlags & NVQ) { pr_status = AtapiReadPortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs); AtapiWritePortEx4(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs, (0x0fUL << shift) | 0x00f000f0); } else { pr_status = AtapiReadPortEx1(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs); AtapiWritePortEx1(chan, (ULONGIO_PTR)(&deviceExtension->BaseIoAddressSATA_0),offs, (0x0f << shift)); } KdPrint2((PRINT_PREFIX " pr_status %x, shift %x\n", pr_status, shift));
/* check for and handle connect events */ if(((pr_status & (0x0cUL << shift)) == (0x04UL << shift)) ) { UniataSataEvent(deviceExtension, lChannel, UNIATA_SATA_EVENT_ATTACH, 0); } /* check for and handle disconnect events */ if((pr_status & (0x08UL << shift)) && !((pr_status & (0x04UL << shift) && UniataSataReadPort4(chan, IDX_SATA_SStatus, 0))) ) { UniataSataEvent(deviceExtension, lChannel, UNIATA_SATA_EVENT_DETACH, 0); } /* do we have any device action ? */ if(!(pr_status & (0x01UL << shift))) { KdPrint2((PRINT_PREFIX " nVidia unexpected\n")); if(UniataSataClearErr(HwDeviceExtension, c, UNIATA_SATA_DO_CONNECT, 0)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } else { return INTERRUPT_REASON_IGNORE; } }
break; } case ATA_ATI_ID: KdPrint2((PRINT_PREFIX "ATI\n")); if(ChipType == SIIMIO) { // fall to SiI } else { break; } case ATA_SILICON_IMAGE_ID:
if(ChipType == SIIMIO) {
reg32 = AtapiReadPort4(chan, IDX_BM_DeviceSpecific0); KdPrint2((PRINT_PREFIX " Sii DS0 %x\n", reg32)); if(reg32 == 0xffffffff) { KdPrint2((PRINT_PREFIX " Sii mio unexpected\n")); return INTERRUPT_REASON_IGNORE; } 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))) { KdPrint2((PRINT_PREFIX " Sii mio unexpected (2)\n")); return INTERRUPT_REASON_IGNORE; }
if(ChipFlags & UNIATA_SATA) { if(reg32 & (BM_DS0_SII_DMA_SATA_IRQ | BM_DS0_SII_IRQ)) {
/* SIEN doesn't mask SATA IRQs on some 3112s. Those * controllers continue to assert IRQ as long as * SError bits are pending. Clear SError immediately. */ if(UniataSataClearErr(HwDeviceExtension, c, UNIATA_SATA_DO_CONNECT, 0)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } } }
if (!DmaTransfer) break; if (!((dma_status = GetDmaStatus(deviceExtension, lChannel)) & BM_STATUS_INTR)) { KdPrint2((PRINT_PREFIX " Sii mio unexpected (3)\n")); return OurInterrupt; } AtapiWritePort1(chan, IDX_BM_Status, dma_status & ~BM_STATUS_ERR); goto skip_dma_stat_check;
} else { if(!(deviceExtension->HwFlags & SIIINTR)) break; GetPciConfig1(0x71, reg8); KdPrint2((PRINT_PREFIX " 0x71 = %#x\n", reg8)); if (!(reg8 & (Channel ? 0x08 : 0x04))) { return INTERRUPT_REASON_IGNORE; } if (!DmaTransfer) { KdPrint2((PRINT_PREFIX " cmd our\n")); OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } SetPciConfig1(0x71, (Channel ? 0x08 : 0x04)); } break;
case ATA_ACARD_ID: if (!DmaTransfer) break; //dma_status = GetDmaStatus(deviceExtension, lChannel); if (!((dma_status = GetDmaStatus(deviceExtension, lChannel)) & BM_STATUS_INTR)) { KdPrint2((PRINT_PREFIX " Acard unexpected\n")); return INTERRUPT_REASON_IGNORE; } AtapiWritePort1(chan, IDX_BM_Status, dma_status | BM_STATUS_INTR); AtapiStallExecution(1); AtapiWritePort1(chan, IDX_BM_Command, AtapiReadPort1(chan, IDX_BM_Command) & ~BM_COMMAND_START_STOP); goto skip_dma_stat_check; case ATA_INTEL_ID: if(UniataIsSATARangeAvailable(deviceExtension, lChannel)) { if(ChipFlags & UNIATA_AHCI) { // Do nothing here } else if(ChipFlags & UNIATA_SATA) { if(UniataSataClearErr(HwDeviceExtension, c, UNIATA_SATA_DO_CONNECT, 0)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } if(!(chan->ChannelCtrlFlags & CTRFLAGS_NO_SLAVE)) { if(UniataSataClearErr(chan->DeviceExtension, chan->lChannel, UNIATA_SATA_IGNORE_CONNECT, 1)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } } } } break; default: if(UniataIsSATARangeAvailable(deviceExtension, lChannel)) { if(ChipFlags & UNIATA_AHCI) { // Do nothing here } else if(ChipFlags & UNIATA_SATA) { if(UniataSataClearErr(HwDeviceExtension, c, UNIATA_SATA_DO_CONNECT, 0)) { OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } } } }check_unknown: KdPrint2((PRINT_PREFIX " perform generic check\n")); if (DmaTransfer) { if (!((dma_status = GetDmaStatus(deviceExtension, lChannel)) & BM_STATUS_INTR)) { KdPrint2((PRINT_PREFIX " DmaTransfer + !BM_STATUS_INTR (%x)\n", dma_status)); if(dma_status & BM_STATUS_ERR) { KdPrint2((PRINT_PREFIX " DmaTransfer + BM_STATUS_ERR -> our\n")); OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } else { KdPrint2((PRINT_PREFIX " getting status...\n")); GetStatus(chan, statusByte); StatusValid = 1; KdPrint2((PRINT_PREFIX " status %#x\n", statusByte)); if(statusByte & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX " IDE_STATUS_ERROR -> our\n", statusByte)); OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } else if ((statusByte & IDE_STATUS_DSC) && (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) && (dma_status == BM_STATUS_ACTIVE)) { KdPrint2((PRINT_PREFIX " special case DMA + ATAPI + IDE_STATUS_DSC -> our\n", statusByte)); // some devices interrupts on each block transfer even in DMA mode if(LunExt->TransferMode >= ATA_SDMA && LunExt->TransferMode <= ATA_WDMA2) { KdPrint2((PRINT_PREFIX " wait for completion\n")); ///* clear interrupt and get status */ //GetBaseStatus(chan, statusByte); //return INTERRUPT_REASON_IGNORE; SingleBlockIntr = TRUE; } } else { return INTERRUPT_REASON_IGNORE; } } } } else { if(dma_status & BM_STATUS_INTR) { // bullshit, we have DMA interrupt, but had never initiate DMA operation KdPrint2((PRINT_PREFIX " clear unexpected DMA intr\n")); AtapiDmaDone(deviceExtension, DEVNUM_NOT_SPECIFIED ,lChannel, NULL); // catch it ! OurInterrupt = INTERRUPT_REASON_UNEXPECTED; } }skip_dma_stat_check: if(!(ChipFlags & UNIATA_SATA) && chan->ExpectingInterrupt) { AtapiStallExecution(1); }
/* if drive is busy it didn't interrupt */ /* the exception is DCS + BSY state of ATAPI devices */ if(!StatusValid) { KdPrint2((PRINT_PREFIX " getting status...\n")); GetStatus(chan, statusByte); } if(LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) { KdPrint3((PRINT_PREFIX " ATAPI status %#x\n", statusByte)); } else { KdPrint2((PRINT_PREFIX " IDE status %#x\n", statusByte)); } if (statusByte == IDE_STATUS_WRONG) { // interrupt from empty controller ? } else if (statusByte & IDE_STATUS_BUSY) { if(!chan->ExpectingInterrupt) { KdPrint3((PRINT_PREFIX " unexpected intr + BUSY\n")); return OurInterrupt; }
if(LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) { KdPrint2((PRINT_PREFIX " ATAPI additional check\n")); } else { KdPrint2((PRINT_PREFIX " expecting intr + BUSY (3), non ATAPI\n")); return INTERRUPT_REASON_IGNORE; } if((statusByte & ~(IDE_STATUS_DRQ | IDE_STATUS_INDEX)) != (IDE_STATUS_BUSY | IDE_STATUS_DRDY | IDE_STATUS_DSC)) { KdPrint3((PRINT_PREFIX " unexpected status, seems it is not our\n")); return INTERRUPT_REASON_IGNORE; } if(!(LunExt->DeviceFlags & DFLAGS_INT_DRQ) && (statusByte & IDE_STATUS_DRQ)) { KdPrint3((PRINT_PREFIX " unexpected DRQ, seems it is not our\n")); return INTERRUPT_REASON_IGNORE; }
EarlyIntr = TRUE;
if(dma_status & BM_STATUS_INTR) { KdPrint3((PRINT_PREFIX " our interrupt with BSY set, try wait in ISR or post to DPC\n")); /* clear interrupt and get status */ GetBaseStatus(chan, statusByte); if(!(dma_status & BM_STATUS_ACTIVE)) { AtapiDmaDone(deviceExtension, DEVNUM_NOT_SPECIFIED ,lChannel, NULL); } KdPrint3((PRINT_PREFIX " base status %#x (+BM_STATUS_INTR)\n", statusByte)); return INTERRUPT_REASON_OUR; }
if(g_WaitBusyInISR) { GetStatus(chan, statusByte); KdPrint2((PRINT_PREFIX " status re-check %#x\n", statusByte)); reg8 = AtapiReadPort1(chan, IDX_IO1_i_Error); KdPrint2((PRINT_PREFIX " Error reg (%#x)\n", reg8)); if (!(statusByte & IDE_STATUS_BUSY)) { KdPrint2((PRINT_PREFIX " expecting intr + cleared BUSY\n")); } if (statusByte & IDE_STATUS_BUSY) { KdPrint2((PRINT_PREFIX " still BUSY, seems it is not our\n")); return INTERRUPT_REASON_IGNORE; } }
}
/* clear interrupt and get status */ GetBaseStatus(chan, statusByte); KdPrint2((PRINT_PREFIX " base status %#x\n", statusByte)); if (statusByte == IDE_STATUS_WRONG) { // interrupt from empty controller ? } else if(!(statusByte & (IDE_STATUS_DRQ | IDE_STATUS_DRDY))) { KdPrint2((PRINT_PREFIX " no DRQ/DRDY set\n")); return OurInterrupt; }
#ifndef UNIATA_PIO_ONLY if(DmaTransfer) { if(!SingleBlockIntr && (!EarlyIntr || g_WaitBusyInISR)) { dma_status = AtapiDmaDone(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, lChannel, NULL/*srb*/); } else { PSCSI_REQUEST_BLOCK srb = UniataGetCurRequest(chan); PATA_REQ AtaReq = srb ? (PATA_REQ)(srb->SrbExtension) : NULL;
//ASSERT(AtaReq);
if(SingleBlockIntr) { KdPrint2((PRINT_PREFIX " set REQ_STATE_ATAPI_EXPECTING_DATA_INTR2.\n")); } else { KdPrint2((PRINT_PREFIX " set REQ_STATE_EARLY_INTR.\n")); } if(AtaReq) { AtaReq->ReqState = SingleBlockIntr ? REQ_STATE_ATAPI_EXPECTING_DATA_INTR2 : REQ_STATE_EARLY_INTR; } } }#endif //
if (!(chan->ExpectingInterrupt)) {
KdPrint2((PRINT_PREFIX " Unexpected interrupt.\n"));
if(LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) { KdPrint2((PRINT_PREFIX " ATAPI additional check\n")); } else { KdPrint2((PRINT_PREFIX " OurInterrupt = %d\n", OurInterrupt)); return OurInterrupt; } interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "AtapiCheckInterrupt__: ATAPI int reason %x\n", interruptReason)); return OurInterrupt; } //ASSERT(!chan->queue_depth || chan->cur_req);
KdPrint2((PRINT_PREFIX "AtapiCheckInterrupt__: exit with TRUE\n")); return INTERRUPT_REASON_OUR;
} // end AtapiCheckInterrupt__()
BOOLEANNTAPIAtapiInterrupt__( IN PVOID HwDeviceExtension, IN UCHAR c ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan = &(deviceExtension->chan[c]); // Get current Srb PSCSI_REQUEST_BLOCK srb = UniataGetCurRequest(chan); PATA_REQ AtaReq = srb ? (PATA_REQ)(srb->SrbExtension) : NULL;
ULONG wordCount = 0, wordsThisInterrupt = DEV_BSIZE/2; ULONG status = SRB_STATUS_SUCCESS; UCHAR dma_status = 0; ULONG i; ULONG k; UCHAR statusByte = 0,interruptReason;
BOOLEAN atapiDev = FALSE;
#ifdef _DEBUG UCHAR Channel;#endif //_DEBUG UCHAR lChannel; UCHAR DeviceNumber; BOOLEAN DmaTransfer = FALSE; UCHAR error = 0; ULONG TimerValue = 1000; ULONG TotalTimerValue = 0;#ifdef UNIATA_USE_XXableInterrupts BOOLEAN InDpc = (KeGetCurrentIrql() == DISPATCH_LEVEL);#else BOOLEAN InDpc = (chan->DpcState != DPC_STATE_ISR);#endif // UNIATA_USE_XXableInterrupts BOOLEAN UseDpc = deviceExtension->UseDpc;// BOOLEAN RestoreUseDpc = FALSE; BOOLEAN DataOverrun = FALSE; BOOLEAN NoStartIo = TRUE; BOOLEAN NoRetry = FALSE;
KdPrint2((PRINT_PREFIX "AtapiInterrupt:\n")); if(InDpc) { KdPrint2((PRINT_PREFIX " InDpc = TRUE\n")); //ASSERT((chan->ChannelCtrlFlags & CTRFLAGS_INTR_DISABLED)); }
UCHAR PathId; UCHAR TargetId; UCHAR Lun; UCHAR OldReqState = REQ_STATE_NONE; //ULONG ldev; PHW_LU_EXTENSION LunExt;
lChannel = c;
#ifdef _DEBUG Channel = (UCHAR)(deviceExtension->Channel + lChannel);
KdPrint2((PRINT_PREFIX " cntrlr %#x:%d, irql %#x, c %d\n", deviceExtension->DevIndex, Channel, KeGetCurrentIrql(), c));#endif //_DEBUG
if((chan->ChannelCtrlFlags & CTRFLAGS_DMA_ACTIVE) || (AtaReq && (AtaReq->Flags & REQ_FLAG_DMA_OPERATION)) || (deviceExtension->HwFlags & UNIATA_AHCI)) { DmaTransfer = TRUE; KdPrint2((PRINT_PREFIX " DmaTransfer = TRUE\n")); }
if (srb) { PathId = srb->PathId; TargetId = srb->TargetId; Lun = srb->Lun; } else { PathId = (UCHAR)c; TargetId = Lun = 0; goto enqueue_next_req; }
//ldev = GET_LDEV2(PathId, TargetId, Lun); DeviceNumber = (UCHAR)(TargetId); LunExt = chan->lun[DeviceNumber]; atapiDev = (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) ? TRUE : FALSE; KdPrint2((PRINT_PREFIX " dev_type %s\n", atapiDev ? "ATAPI" : "IDE"));
// check if we are in ISR DPC if(InDpc) { KdPrint2((PRINT_PREFIX " InDpc -> CTRFLAGS_INTR_DISABLED\n")); goto ServiceInterrupt; }
if (DmaTransfer) { dma_status = GetDmaStatus(deviceExtension, lChannel); }
if (!(chan->ExpectingInterrupt)) {
KdPrint2((PRINT_PREFIX " Unexpected interrupt for this channel.\n")); return FALSE; }
// change request state if(AtaReq) { OldReqState = AtaReq->ReqState; AtaReq->ReqState = REQ_STATE_PROCESSING_INTR; KdPrint2((PRINT_PREFIX " OldReqState = %x\n", OldReqState)); }
// We don't want using DPC for fast operations, like // DMA completion, sending CDB, short ATAPI transfers, etc. // !!!! BUT !!!! // We MUST use DPC, because of interprocessor synchronization // on multiprocessor platforms
if(DmaTransfer) goto ServiceInterrupt;
switch(OldReqState) { case REQ_STATE_ATAPI_EXPECTING_CMD_INTR: KdPrint3((PRINT_PREFIX " EXPECTING_CMD_INTR\n")); case REQ_STATE_ATAPI_EXPECTING_DATA_INTR: case REQ_STATE_ATAPI_EXPECTING_DATA_INTR2: case REQ_STATE_DPC_WAIT_BUSY0: case REQ_STATE_DPC_WAIT_BUSY1: KdPrint2((PRINT_PREFIX " continue service interrupt\n")); goto ServiceInterrupt; case REQ_STATE_ATAPI_DO_NOTHING_INTR: KdPrint2((PRINT_PREFIX " do nothing on interrupt\n")); return TRUE; }
if((!DmaTransfer && !atapiDev) || deviceExtension->DriverMustPoll) { KdPrint2((PRINT_PREFIX " service PIO HDD\n")); UseDpc = FALSE; }
#ifndef UNIATA_CORE
if(!UseDpc) goto ServiceInterrupt;
#ifdef UNIATA_USE_XXableInterrupts if(InDpc) { KdPrint2((PRINT_PREFIX " Unexpected InDpc\n")); ASSERT(FALSE); // shall never get here TimerValue = 1; goto CallTimerDpc; }
KdPrint2((PRINT_PREFIX " this is direct DPC call on DRQL\n")); if(AtaReq) { AtaReq->ReqState = REQ_STATE_DPC_INTR_REQ; KdPrint2((PRINT_PREFIX " ReqState -> REQ_STATE_DPC_INTR_REQ\n")); } else { KdPrint2((PRINT_PREFIX " DPC without AtaReq!!!\n")); }#else KdPrint2((PRINT_PREFIX "call service interrupt\n")); goto ServiceInterrupt;#endif // UNIATA_USE_XXableInterrupts
PostToDpc:
// Attention !!! // AtapiInterruptDpc() is called on DISPATCH_LEVEL // We always get here when are called from timer callback, which is invoked on DRQL. // It is intended to lower IRQL and let other interrupts to be serviced while we are waiting for BUSY release
KdPrint2((PRINT_PREFIX "AtapiInterrupt: start DPC init...\n")); // disable interrupts for this channel, // but avoid recursion and double-disable if(OldReqState != REQ_STATE_DPC_WAIT_BUSY1) { UniataExpectChannelInterrupt(chan, FALSE); AtapiDisableInterrupts(deviceExtension, lChannel); } // go to ISR DPC chan->ChannelCtrlFlags |= CTRFLAGS_DPC_REQ;
#ifdef UNIATA_USE_XXableInterrupts // Will lower IRQL to DISPATCH_LEVEL ScsiPortNotification(CallEnableInterrupts, HwDeviceExtension, /*c ?*/ AtapiInterruptDpc/*_1 : AtapiInterruptDpc_0*/); KdPrint2((PRINT_PREFIX "AtapiInterrupt: DPC inited\n"));#else // Will raise IRQL to DIRQL AtapiQueueTimerDpc(HwDeviceExtension, c, AtapiInterruptDpc, TimerValue); KdPrint2((PRINT_PREFIX "AtapiInterrupt: Timer DPC inited\n"));#endif // UNIATA_USE_XXableInterrupts return TRUE;
#ifndef UNIATA_CORECallTimerDpc: AtaReq->ReqState = REQ_STATE_PROCESSING_INTR;CallTimerDpc2: if(!InDpc && OldReqState != REQ_STATE_DPC_WAIT_BUSY1) { // we must block interrupts from this channel // If device generate new interrupt before we get to DPC, // ISR will assume, that it is NOT our interrupt AtapiDisableInterrupts(deviceExtension, lChannel); // We should not clean ExpectingInterrupt flag on channel, since it is used in DPC } // Will raise IRQL to DIRQL AtapiQueueTimerDpc(HwDeviceExtension, c, AtapiCallBack_X, TimerValue); return TRUE;#endif //UNIATA_CORE
ServiceInterrupt:
if(AtaReq && InDpc) { switch(AtaReq->ReqState) { case REQ_STATE_DPC_WAIT_DRQ0: goto PIO_wait_DRQ0; case REQ_STATE_DPC_WAIT_BUSY: goto PIO_wait_busy; case REQ_STATE_DPC_WAIT_DRQ: goto PIO_wait_DRQ; case REQ_STATE_DPC_WAIT_DRQ_ERR: goto continue_err; case REQ_STATE_DPC_WAIT_BUSY0: case REQ_STATE_DPC_WAIT_BUSY1: // continue normal execution break; } }#elseServiceInterrupt:#endif //UNIATA_CORE/* // make additional delay for old devices (if we are not in DPC) if((!LunExt->IdentifyData.MajorRevision || (deviceExtension->lun[DeviceNumber].TransferMode < ATA_PIO4)) && !InDpc && !atapiDev && !(deviceExtension->HwFlags & UNIATA_SATA) ) { KdPrint2((PRINT_PREFIX " additional delay 10us for old devices\n")); AtapiStallExecution(10); }*/
/* clear interrupt and get status */ if(deviceExtension->HwFlags & UNIATA_AHCI) { UniataAhciEndTransaction(HwDeviceExtension, lChannel, DeviceNumber, srb); statusByte = (UCHAR)(AtaReq->ahci.in_status & IDE_STATUS_MASK);
if(chan->AhciLastIS & ~(ATA_AHCI_P_IX_DHR | ATA_AHCI_P_IX_PS | ATA_AHCI_P_IX_DS | ATA_AHCI_P_IX_SDB)) { KdPrint3((PRINT_PREFIX "Err intr (%#x), SE (%#x)\n", chan->AhciLastIS & ~(ATA_AHCI_P_IX_DHR | ATA_AHCI_P_IX_PS | ATA_AHCI_P_IX_DS | ATA_AHCI_P_IX_SDB), chan->AhciLastSError)); if(chan->AhciLastIS & ~ATA_AHCI_P_IX_OF) {
if((chan->AhciLastIS == ATA_AHCI_P_IX_INF) && !(statusByte & IDE_STATUS_ERROR) && !chan->AhciLastSError && srb && (srb->SrbFlags & SRB_FLAGS_DATA_IN) ) { KdPrint3((PRINT_PREFIX "ATA_AHCI_P_IX_INF on READ, assume underflow\n")); // continue processing in regular way } else {
//KdPrint3((PRINT_PREFIX "Err mask (%#x)\n", chan->AhciLastIS & ~ATA_AHCI_P_IX_OF)); // We have some other error except Overflow // Just signal ERROR, operation will be aborted in ERROR branch. statusByte |= IDE_STATUS_ERROR; AtaReq->ahci.in_serror = chan->AhciLastSError; if(chan->AhciLastSError & (ATA_SE_HANDSHAKE_ERR | ATA_SE_LINKSEQ_ERR | ATA_SE_TRANSPORT_ERR | ATA_SE_UNKNOWN_FIS)) { KdPrint2((PRINT_PREFIX "Unrecoverable\n")); NoRetry = TRUE; } } } else { // We have only Overflow. Abort operation and continue#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif if(!UniataAhciAbortOperation(chan)) { KdPrint2((PRINT_PREFIX "need UniataAhciReset\n")); }#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif UniataAhciWaitCommandReady(chan, 10); } }
} else { GetBaseStatus(chan, statusByte); } if(atapiDev) { KdPrint3((PRINT_PREFIX "AtapiInterrupt: ATAPI Entered with status (%#x)\n", statusByte)); } else { KdPrint2((PRINT_PREFIX "AtapiInterrupt: Entered with status (%#x)\n", statusByte)); }
if(!UseDpc) { KdPrint2((PRINT_PREFIX " operate like in DPC\n")); InDpc = TRUE; }
if (!atapiDev) { // IDE if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint3((PRINT_PREFIX " AHCI branch (IDE)\n")); } else if (statusByte & IDE_STATUS_BUSY) { if (deviceExtension->DriverMustPoll) { // Crashdump is polling and we got caught with busy asserted. // Just go away, and we will be polled again shortly. KdPrint2((PRINT_PREFIX " Hit BUSY while polling during crashdump.\n")); goto ReturnEnableIntr; }try_dpc_wait: // Ensure BUSY is non-asserted. // make a very small idle before falling to DPC k = (InDpc && UseDpc) ? 1000 : 2;
for (i = 0; i < k; i++) {
GetBaseStatus(chan, statusByte); if (!(statusByte & IDE_STATUS_BUSY)) { break; } AtapiStallExecution(10); }
if (!InDpc && UseDpc && i == 2) {
KdPrint2((PRINT_PREFIX " BUSY on entry. Status %#x, Base IO %#x\n", statusByte));
TimerValue = 50; AtaReq->ReqState = REQ_STATE_DPC_WAIT_BUSY0;
#ifndef UNIATA_CORE goto PostToDpc;#else //UNIATA_CORE AtapiStallExecution(TimerValue); goto ServiceInterrupt;#endif //UNIATA_CORE } else if (InDpc && i == k) { // reset the controller. KdPrint2((PRINT_PREFIX " Resetting due to BUSY on entry - %#x.\n", statusByte)); goto IntrPrepareResetController; } } } else { // ATAPI if(!LunExt->IdentifyData.MajorRevision && InDpc && /*!atapiDev &&*/ !(deviceExtension->HwFlags & UNIATA_SATA) ) { //KdPrint2((PRINT_PREFIX " additional delay 10us for old devices (2)\n")); //AtapiStallExecution(10); } if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint3((PRINT_PREFIX " AHCI branch (ATAPI)\n")); } else { interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "AtapiInterrupt: iReason %x\n", interruptReason)); }
if (statusByte & IDE_STATUS_BUSY) { //if(chan->ChannelCtrlFlags & CTRFLAGS_DSC_BSY) {}/*#ifndef UNIATA_CORE // This is just workaround // We should DISABLE interrupts before entering WAIT state UniataExpectChannelInterrupt(chan, TRUE);#endif //UNIATA_CORE*/ KdPrint3((PRINT_PREFIX " BUSY on ATAPI device, waiting %d us\n", LunExt->AtapiReadyWaitDelay));#ifndef UNIATA_CORE if(LunExt->AtapiReadyWaitDelay && (LunExt->AtapiReadyWaitDelay > g_opt_MaxIsrWait) && !InDpc && UseDpc) { TimerValue = LunExt->AtapiReadyWaitDelay; KdPrint2((PRINT_PREFIX " too long wait: ISR -> DPC (0)\n")); AtaReq->ReqState = REQ_STATE_DPC_WAIT_BUSY0; goto CallTimerDpc2; }#endif //UNIATA_CORE TimerValue = 10; for(k=20; k; k--) { GetBaseStatus(chan, statusByte); KdPrint3((PRINT_PREFIX " status re-check %#x\n", statusByte)); KdPrint3((PRINT_PREFIX " Error reg (%#x)\n", AtapiReadPort1(chan, IDX_ATAPI_IO1_i_Error))); if (!(statusByte & IDE_STATUS_BUSY)) { KdPrint2((PRINT_PREFIX " expecting intr + cleared BUSY\n")); break; } TotalTimerValue += TimerValue; if(k <= 1) { KdPrint3((PRINT_PREFIX " too long wait -> DPC\n")); if(!InDpc) { KdPrint2((PRINT_PREFIX " too long wait: ISR -> DPC\n")); TimerValue = 100; AtaReq->ReqState = REQ_STATE_DPC_WAIT_BUSY0; } else { KdPrint2((PRINT_PREFIX " too long wait: DPC -> DPC\n")); TimerValue = 1000; AtaReq->ReqState = REQ_STATE_DPC_WAIT_BUSY1; }#ifndef UNIATA_CORE if(UseDpc) { if(!LunExt->AtapiReadyWaitDelay) { LunExt->AtapiReadyWaitDelay = TotalTimerValue*2/3; } goto CallTimerDpc2; }#endif //UNIATA_CORE }
AtapiStallExecution(TimerValue); TimerValue += 10; } if(!LunExt->AtapiReadyWaitDelay) { LunExt->AtapiReadyWaitDelay = TotalTimerValue*2/3; KdPrint2((PRINT_PREFIX " store AtapiReadyWaitDelay: %d\n", LunExt->AtapiReadyWaitDelay)); } if (statusByte & IDE_STATUS_BUSY) { KdPrint3((PRINT_PREFIX " expecting intr + BUSY (2), try DPC wait\n")); goto try_dpc_wait; } } }
if(AtaReq && DmaTransfer && !(deviceExtension->HwFlags & UNIATA_AHCI)) { switch(OldReqState) { case REQ_STATE_EARLY_INTR: case REQ_STATE_DPC_WAIT_BUSY0:
if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_ACTIVE) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: DMA still active\n")); dma_status = AtapiDmaDone(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, lChannel, NULL/*srb*/); } break; } }
//retry_check: // Check for error conditions. if ((statusByte & IDE_STATUS_ERROR) || (dma_status & BM_STATUS_ERR)) {
if(deviceExtension->HwFlags & UNIATA_AHCI) { error = AtaReq->ahci.in_error; // wait ready#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif if(!UniataAhciAbortOperation(chan)) { KdPrint2((PRINT_PREFIX "need UniataAhciReset\n")); } // clear interrupts again UniataAhciWaitCommandReady(chan, 10);#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif UniataAhciStatus(HwDeviceExtension, lChannel, DEVNUM_NOT_SPECIFIED); if(NoRetry) { AtaReq->retry += MAX_RETRIES; if(!error && (statusByte & IDE_STATUS_ERROR)) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: force error status\n")); error |= IDE_STATUS_ERROR; } }#ifdef _DEBUG UniataDumpAhciPortRegs(chan);#endif } else { error = AtapiReadPort1(chan, IDX_IO1_i_Error); } KdPrint2((PRINT_PREFIX "AtapiInterrupt: Error %#x\n", error));/* if(error & IDE_STATUS_CORRECTED_ERROR) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: (corrected)\n")); statusByte &= ~IDE_STATUS_ERROR; goto retry_check; }*/ if(AtaReq) { KdPrint2((PRINT_PREFIX " Bad Lba %#I64x\n", AtaReq->lba)); } else { KdPrint2((PRINT_PREFIX " Bad Lba unknown\n")); }
if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX " no wait ready after error\n")); } else if(!atapiDev) { KdPrint2((PRINT_PREFIX " wait 100 ready after IDE error\n")); AtapiStallExecution(100); } else { KdPrint2((PRINT_PREFIX " wait 10 ready after ATAPI error\n")); AtapiStallExecution(10); }continue_err:
KdPrint3((PRINT_PREFIX " Intr on DRQ %x\n", LunExt->DeviceFlags & DFLAGS_INT_DRQ));
for (k = atapiDev ? 0 : 200; k; k--) { GetBaseStatus(chan, statusByte); if (!(statusByte & IDE_STATUS_DRQ)) { AtapiStallExecution(50); } else { break; } }
if (!atapiDev) { /* if this is a UDMA CRC error, reinject request */
AtaReq->retry++; if(AtaReq->retry < MAX_RETRIES) {#ifdef IO_STATISTICS chan->lun[DeviceNumber]->ModeErrorCount[AtaReq->retry]++;#endif //IO_STATISTICS if(DmaTransfer /*&& (error & IDE_ERROR_ICRC)*/) { KdPrint2((PRINT_PREFIX "Errors in DMA mode\n")); if(AtaReq->retry < MAX_RETRIES) {//fallback_pio: if(!(deviceExtension->HwFlags & UNIATA_AHCI)) { //AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; // Downrate will happen in AtapiDmaReinit(), try UDMA-2 for HDD only AtaReq->Flags |= REQ_FLAG_FORCE_DOWNRATE; } AtaReq->ReqState = REQ_STATE_QUEUED; goto reenqueue_req; } } else { if(!(AtaReq->Flags & REQ_FLAG_FORCE_DOWNRATE)) { AtaReq->retry++; } KdPrint2((PRINT_PREFIX "Errors in PIO mode\n")); } } } else { interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "AtapiInterrupt: ATAPI Error, int reason %x\n", interruptReason));
if(UniataIsSATARangeAvailable(deviceExtension, lChannel)) { if(deviceExtension->HwFlags & UNIATA_AHCI) { // Do nothing here } else if(deviceExtension->HwFlags & UNIATA_SATA) { UniataSataClearErr(HwDeviceExtension, lChannel, UNIATA_SATA_IGNORE_CONNECT, 0); } }
if(DmaTransfer && (chan->lun[DeviceNumber]->TransferMode > ATA_UDMA2) && ((error >> 4) == SCSI_SENSE_HARDWARE_ERROR)) { if(AtaReq->retry < MAX_RETRIES) {//fallback_pio: // Downrate will happen in AtapiDmaReinit(), use PIO immediately for ATAPI AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; AtaReq->Flags |= REQ_FLAG_FORCE_DOWNRATE;// LunExt->DeviceFlags |= DFLAGS_FORCE_DOWNRATE; AtaReq->ReqState = REQ_STATE_QUEUED; goto reenqueue_req; } } else { if(!(AtaReq->Flags & REQ_FLAG_FORCE_DOWNRATE)) { AtaReq->retry++; } KdPrint3((PRINT_PREFIX "Errors in PIO mode\n")); } }
KdPrint3((PRINT_PREFIX "AtapiInterrupt: Error\n")); if (srb->Cdb[0] != SCSIOP_REQUEST_SENSE) { // Fail this request. status = SRB_STATUS_ERROR; goto CompleteRequest; } else { KdPrint2((PRINT_PREFIX " continue with SCSIOP_REQUEST_SENSE\n")); } } else if(AtaReq->Flags & REQ_FLAG_FORCE_DOWNRATE_LBA48) { KdPrint2((PRINT_PREFIX "DMA doesn't work right with LBA48\n")); deviceExtension->HbaCtrlFlags |= HBAFLAGS_DMA_DISABLED_LBA48; } else if(AtaReq->Flags & REQ_FLAG_FORCE_DOWNRATE) {#ifdef IO_STATISTICS KdPrint2((PRINT_PREFIX "Some higher mode doesn't work right :((\n")); KdPrint2((PRINT_PREFIX "Recovery stats[%d]: %d vs %d\n", AtaReq->retry, LunExt->RecoverCount[AtaReq->retry], LunExt->BlockIoCount )); LunExt->RecoverCount[AtaReq->retry]++; if(LunExt->RecoverCount[AtaReq->retry] >= LunExt->BlockIoCount/3 || (deviceExtension->HwFlags & UNIATA_NO80CHK) ) {#else if(deviceExtension->HwFlags & UNIATA_NO80CHK) {#endif //IO_STATISTICS KdPrint2((PRINT_PREFIX "Limit transfer rate to %x\n", LunExt->TransferMode)); LunExt->LimitedTransferMode = LunExt->TransferMode; } }#ifdef IO_STATISTICS if(AtaReq->bcount) { // we need stats for Read/Write operations LunExt->BlockIoCount++; } LunExt->IoCount++;#endif //IO_STATISTICS
continue_PIO:
// check reason for this interrupt. if (atapiDev) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: ATAPI branch\n")); // ATAPI branch
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "AtapiInterrupt: iReason %x\n", interruptReason)); if(DmaTransfer) { wordsThisInterrupt = DEV_BSIZE/2*512; } else { wordsThisInterrupt = DEV_BSIZE/2; }
} else {
// ATA branch
if(DmaTransfer) { // simulate DRQ for DMA transfers statusByte |= IDE_STATUS_DRQ; } if (statusByte & IDE_STATUS_DRQ) {
if(DmaTransfer) { wordsThisInterrupt = DEV_BSIZE/2*512; } else if (LunExt->MaximumBlockXfer) { wordsThisInterrupt = DEV_BSIZE/2 * LunExt->MaximumBlockXfer; }
if (srb->SrbFlags & SRB_FLAGS_DATA_IN) {
interruptReason = ATAPI_IR_IO_toHost;
} else if (srb->SrbFlags & SRB_FLAGS_DATA_OUT) { interruptReason = ATAPI_IR_IO_toDev;
} else { status = SRB_STATUS_ERROR; goto CompleteRequest; }
} else if (statusByte & IDE_STATUS_BUSY) {
//AtapiEnableInterrupts(deviceExtension, lChannel); KdPrint2((PRINT_PREFIX "AtapiInterrupt: return FALSE on ATA IDE_STATUS_BUSY\n")); return FALSE;
} else {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: !DRQ, !BUSY, WordsLeft %#x\n", AtaReq->WordsLeft)); if (AtaReq->WordsLeft) {
// Funky behaviour seen with PCI IDE (not all, just one).PIO_wait_DRQ0: // The ISR hits with DRQ low, but comes up later. for (k = 0; k < 5000; k++) { GetBaseStatus(chan, statusByte); if (statusByte & IDE_STATUS_DRQ) { break; } if(!InDpc) { // goto DPC AtaReq->ReqState = REQ_STATE_DPC_WAIT_DRQ0; TimerValue = 100; KdPrint2((PRINT_PREFIX "AtapiInterrupt: go to DPC (drq0)\n"));#ifndef UNIATA_CORE goto PostToDpc;#else //UNIATA_CORE AtapiStallExecution(TimerValue); goto ServiceInterrupt;#endif //UNIATA_CORE } AtapiStallExecution(100); } if (k == 5000) { // reset the controller. KdPrint2((PRINT_PREFIX "AtapiInterrupt: Resetting due to DRQ not up. Status %#x\n", statusByte));IntrPrepareResetController: AtapiResetController__(HwDeviceExtension, lChannel, RESET_COMPLETE_CURRENT); goto ReturnEnableIntr;
} else { interruptReason = (srb->SrbFlags & SRB_FLAGS_DATA_IN) ? ATAPI_IR_IO_toHost : ATAPI_IR_IO_toDev; }
} else { // Command complete - verify, write, or the SMART enable/disable. // Also get_media_status interruptReason = ATAPI_IR_IO_toHost | ATAPI_IR_COD_Cmd; } } }
KdPrint2((PRINT_PREFIX "AtapiInterrupt: i-reason=%d, status=%#x\n", interruptReason, statusByte)); if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX " AHCI path, WordsTransfered %x, WordsLeft %x\n", AtaReq->WordsTransfered, AtaReq->WordsLeft));/* if(chan->AhciLastIS & ATA_AHCI_P_IX_OF) { //status = SRB_STATUS_DATA_OVERRUN; DataOverrun = TRUE; } else { status = SRB_STATUS_SUCCESS; }*/ if(AtaReq->WordsTransfered >= AtaReq->WordsLeft) { AtaReq->WordsLeft = 0; } else { AtaReq->WordsLeft -= AtaReq->WordsTransfered; } //if(AtaReq->WordsLeft && (status == SRB_STATUS_SUCCESS)) { // status = SRB_STATUS_DATA_OVERRUN; //} status = SRB_STATUS_SUCCESS; chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; goto CompleteRequest; } else if ((interruptReason == ATAPI_IR_COD_Cmd) && (statusByte & IDE_STATUS_DRQ)) { if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) { AtapiDmaDBPreSync(HwDeviceExtension, chan, srb); } // Write the packet. KdPrint3((PRINT_PREFIX "AtapiInterrupt: Writing Atapi packet.\n")); // Send CDB to device. WriteBuffer(chan, (PUSHORT)srb->Cdb, LunExt->IdentifyData.AtapiCmdSize ? 8 : 6, /*0*/ PIO0_TIMING); AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR;
if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: AtapiDmaStart().\n")); AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, srb); }
goto ReturnEnableIntr;
} else if ((interruptReason == ATAPI_IR_IO_toDev) && (statusByte & IDE_STATUS_DRQ)) {
// Write the data. if (atapiDev) {
// Pick up bytes to transfer and convert to words. wordCount = AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountLow);
wordCount |= (USHORT)AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountHigh) << 8;
// Covert bytes to words. wordCount >>= 1; KdPrint2((PRINT_PREFIX "AtapiInterrupt: get W wordCount %#x\n", wordCount));
if (wordCount != AtaReq->WordsLeft) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: %d words requested; %d words xferred\n", AtaReq->WordsLeft, wordCount)); }
// Verify this makes sense. if (wordCount > AtaReq->WordsLeft) { wordCount = AtaReq->WordsLeft; KdPrint2((PRINT_PREFIX "AtapiInterrupt: Write underrun\n")); DataOverrun = TRUE; }
} else {
// IDE path. Check if words left is at least DEV_BSIZE/2 = 256. if (AtaReq->WordsLeft < wordsThisInterrupt) { // Transfer only words requested. wordCount = AtaReq->WordsLeft; } else { // Transfer next block. wordCount = wordsThisInterrupt; } }
if (DmaTransfer && (chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION)) { //ASSERT(AtaReq->WordsLeft == wordCount); if(AtaReq->ReqState == REQ_STATE_ATAPI_EXPECTING_DATA_INTR2) { KdPrint2((PRINT_PREFIX "IdeIntr: DMA tmp INTR %#x vs %#x\n", AtaReq->WordsLeft, wordCount)); if(AtaReq->WordsLeft > wordCount) { AtaReq->WordsLeft -= wordCount; AtaReq->WordsTransfered += wordCount; AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR; goto ReturnEnableIntr; } dma_status = AtapiDmaDone(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, lChannel, NULL/*srb*/); } AtaReq->WordsTransfered = AtaReq->WordsLeft; AtaReq->WordsLeft = 0; status = SRB_STATUS_SUCCESS; chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; goto CompleteRequest; }
// Ensure that this is a write command. if (srb->SrbFlags & SRB_FLAGS_DATA_OUT) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: Write interrupt\n"));
statusByte = WaitOnBusy(chan);
if (/*atapiDev || */ !(LunExt->DeviceFlags & DFLAGS_DWORDIO_ENABLED) /*!deviceExtension->DWordIO*/ || (wordCount & 1)) {
WriteBuffer(chan, AtaReq->DataBuffer, wordCount, UniataGetPioTiming(LunExt)); } else {
WriteBuffer2(chan, (PULONG)(AtaReq->DataBuffer), wordCount / 2, UniataGetPioTiming(LunExt)); } } else {
KdPrint3((PRINT_PREFIX "AtapiInterrupt: Int reason %#x, but srb is for a read %#x.\n", interruptReason, srb));
// Fail this request. status = SRB_STATUS_ERROR; if(!wordCount && atapiDev && (srb->Cdb[0] != SCSIOP_REQUEST_SENSE)) { // some devices feel bad after incorrect commands and may need reset KdPrint2((PRINT_PREFIX "AtapiInterrupt: Try ATAPI reset\n"));
AtapiDisableInterrupts(deviceExtension, lChannel); AtapiSoftReset(chan, DeviceNumber); AtapiEnableInterrupts(deviceExtension, lChannel); status = SRB_STATUS_BUS_RESET; AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE;
// goto IntrPrepareResetController; } goto CompleteRequest; } // Advance data buffer pointer and bytes left. AtaReq->DataBuffer += wordCount; AtaReq->WordsLeft -= wordCount; AtaReq->WordsTransfered += wordCount;
if (atapiDev) { AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR; }
goto ReturnEnableIntr;
} else if (interruptReason == ATAPI_IR_IO_toHost && (statusByte & IDE_STATUS_DRQ)) {
continue_read_drq:
if (atapiDev) {
// Pick up bytes to transfer and convert to words. wordCount = (ULONG)AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountLow) | ((ULONG)AtapiReadPort1(chan, IDX_ATAPI_IO1_i_ByteCountHigh) << 8);
// Convert bytes to words. KdPrint2((PRINT_PREFIX "AtapiInterrupt: get R byteCount %#x\n", wordCount)); wordCount >>= 1; /* When ATAPI 64k PIO read is requested we may have 0xfffe byte count reported for 0x10000 bytes in single interrupt. It is not allowed to read entire 64k block with DwordIo intead of wait for last word. */ if (wordCount != AtaReq->WordsLeft) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: %d words requested; %d words xferred\n", AtaReq->WordsLeft, wordCount)); }
// Verify this makes sense. if (wordCount > AtaReq->WordsLeft) { wordCount = AtaReq->WordsLeft; DataOverrun = TRUE; }
} else {
// Check if words left is at least 256. if (AtaReq->WordsLeft < wordsThisInterrupt) { // Transfer only words requested. wordCount = AtaReq->WordsLeft; } else { // Transfer next block. wordCount = wordsThisInterrupt; } }
if(DmaTransfer && (chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION)) { if(AtaReq->ReqState == REQ_STATE_ATAPI_EXPECTING_DATA_INTR2) { KdPrint2((PRINT_PREFIX "IdeIntr: DMA tmp INTR %#x vs %#x\n", AtaReq->WordsLeft, wordCount)); if(AtaReq->WordsLeft > wordCount) { AtaReq->WordsLeft -= wordCount; AtaReq->WordsTransfered += wordCount; AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR; goto ReturnEnableIntr; } dma_status = AtapiDmaDone(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, lChannel, NULL/*srb*/); } //ASSERT(AtaReq->WordsLeft == wordCount); AtaReq->WordsTransfered = AtaReq->WordsLeft; AtaReq->WordsLeft = 0; status = SRB_STATUS_SUCCESS; chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; goto CompleteRequest; } // Ensure that this is a read command. if (srb->SrbFlags & SRB_FLAGS_DATA_IN) {
/* KdPrint2(( "AtapiInterrupt: Read interrupt\n"));*/
statusByte = WaitOnBusy(chan);
if(wordCount&1 && atapiDev && (g_opt_VirtualMachine == VM_BOCHS)) { KdPrint2((PRINT_PREFIX "IdeIntr: unaligned ATAPI %#x Words\n", wordCount)); } else if(LunExt->DeviceFlags & DFLAGS_DWORDIO_ENABLED) { KdPrint2((PRINT_PREFIX "IdeIntr: pre-Read %#x Dwords\n", wordCount/2));
ReadBuffer2(chan, (PULONG)(AtaReq->DataBuffer), wordCount / 2, UniataGetPioTiming(LunExt)); // Advance data buffer pointer and bytes left. AtaReq->DataBuffer += wordCount & ~1; AtaReq->WordsLeft -= wordCount & ~1; AtaReq->WordsTransfered += wordCount & ~1; wordCount &= 1; } if (wordCount) { KdPrint2((PRINT_PREFIX "IdeIntr: Read %#x words\n", wordCount));
ReadBuffer(chan, AtaReq->DataBuffer, wordCount, UniataGetPioTiming(LunExt)); }
KdPrint2(("IdeIntr: PIO Read AtaReq->DataBuffer %#x, srb->DataBuffer %#x\n", AtaReq->DataBuffer, (srb ? srb->DataBuffer : (void*)-1) )); //KdDump(AtaReq->DataBuffer, wordCount*2); if(srb && atapiDev && srb->Cdb[0] == SCSIOP_REQUEST_SENSE) { KdDump(AtaReq->DataBuffer, wordCount*2); }
GetBaseStatus(chan, statusByte); KdPrint2((PRINT_PREFIX " status re-check %#x\n", statusByte));
if(DataOverrun) { KdPrint2((PRINT_PREFIX " DataOverrun\n")); AtapiSuckPort2(chan); GetBaseStatus(chan, statusByte); }
if(statusByte & IDE_STATUS_BUSY) { for (i = 0; i < 2; i++) { AtapiStallExecution(10); GetBaseStatus(chan, statusByte); if (!(statusByte & IDE_STATUS_BUSY)) { break; } } }
} else {
KdPrint3((PRINT_PREFIX "AtapiInterrupt: Int reason %#x, but srb is for a read %#x.\n", interruptReason, srb));
// Fail this request. status = SRB_STATUS_ERROR; goto CompleteRequest; }//continue_atapi_pio_read: // Advance data buffer pointer and bytes left. AtaReq->DataBuffer += wordCount; AtaReq->WordsLeft -= wordCount; AtaReq->WordsTransfered += wordCount;
// Check for read command complete. if (AtaReq->WordsLeft == 0) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: all transferred, AtaReq->WordsLeft == 0\n")); if (atapiDev) {
if(LunExt->IdentifyData.DeviceType == ATAPI_TYPE_CDROM) {
// Work around to make many atapi devices return correct sector size // of 2048. Also certain devices will have sector count == 0x00, check // for that also. if (srb->Cdb[0] == SCSIOP_READ_CAPACITY) {
AtaReq->DataBuffer -= AtaReq->WordsTransfered; if (AtaReq->DataBuffer[0] == 0x00) { *((ULONG *) &(AtaReq->DataBuffer[0])) = 0xFFFFFF7F; }
*((ULONG *) &(AtaReq->DataBuffer[2])) = 0x00080000; AtaReq->DataBuffer += AtaReq->WordsTransfered; }#ifndef UNIATA_INIT_CHANGERS else if (srb->Cdb[0] == SCSIOP_MECHANISM_STATUS) {
KdPrint3((PRINT_PREFIX "AtapiInterrupt: SCSIOP_MECHANISM_STATUS status %#x\n", status)); // Bingo!! AtapiHwInitializeChanger (HwDeviceExtension, srb, (PMECHANICAL_STATUS_INFORMATION_HEADER) srb->DataBuffer); LunExt->DeviceFlags |= DFLAGS_CHANGER_INITED; KdPrint2((PRINT_PREFIX " set DFLAGS_CHANGER_INITED\n")); }#endif // UNIATA_INIT_CHANGERS } GetStatus(chan, statusByte); if(!(statusByte & IDE_STATUS_BUSY)) { // Assume command is completed if BUSY is cleared // and all data read // Optionally, we may receive COMPLETE interrupt later and // treat it as unexpected KdPrint2((PRINT_PREFIX "AtapiInterrupt: early complete ? status %x\n", statusByte));
status = SRB_STATUS_SUCCESS; goto CompleteRequest; }
} else {
/* // Completion for IDE drives. if (AtaReq->WordsLeft) { status = SRB_STATUS_DATA_OVERRUN; } else { status = SRB_STATUS_SUCCESS; }
goto CompleteRequest; */ status = SRB_STATUS_SUCCESS; goto CompleteRequest;
} } else { if (atapiDev) { AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR; GetStatus(chan, statusByte); if(!(statusByte & IDE_STATUS_BUSY)) { // Assume command is completed if BUSY is cleared // even if NOT all data read // Optionally, we may receive COMPLETE interrupt later and // treat it as unexpected KdPrint2((PRINT_PREFIX "AtapiInterrupt: early complete + underrun ? status %x\n", statusByte));
status = SRB_STATUS_SUCCESS; goto CompleteRequest; } } else { if(!atapiDev && !DataOverrun && (srb->SrbFlags & SRB_FLAGS_DATA_IN) && ((statusByte & ~IDE_STATUS_INDEX) == (IDE_STATUS_IDLE | IDE_STATUS_DRQ))) { KdPrint2((PRINT_PREFIX " HDD read data ready \n")); goto continue_read_drq; } } }
goto ReturnEnableIntr;
} else if (interruptReason == (ATAPI_IR_IO_toHost | ATAPI_IR_COD_Cmd) && !(statusByte & IDE_STATUS_DRQ)) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: interruptReason = CompleteRequest\n")); // Command complete. We exactly know this because of IReason.
if(DmaTransfer) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: CompleteRequest, was DmaTransfer\n")); AtaReq->WordsTransfered += AtaReq->WordsLeft; AtaReq->WordsLeft = 0; } else { KdPrint2((PRINT_PREFIX "AtapiInterrupt: CompleteRequest, was PIO\n"));
wordCount = AtaReq->WordsLeft; // Advance data buffer pointer and bytes left. AtaReq->DataBuffer += wordCount; AtaReq->WordsLeft -= wordCount; AtaReq->WordsTransfered += wordCount;
KdPrint2((PRINT_PREFIX "AtapiInterrupt: wordCount %#x, WordsTransfered %#x\n", wordCount, AtaReq->WordsTransfered));
} //if (AtaReq->WordsLeft) { // status = SRB_STATUS_DATA_OVERRUN; //} else { status = SRB_STATUS_SUCCESS; //}
#ifdef UNIATA_DUMP_ATAPI if(srb && srb->SrbFlags & SRB_FLAGS_DATA_IN) { UCHAR ScsiCommand; PCDB Cdb; PCHAR CdbData; PCHAR ModeSelectData; ULONG CdbDataLen; PSCSI_REQUEST_BLOCK Srb = srb;
Cdb = (PCDB)(Srb->Cdb); ScsiCommand = Cdb->CDB6.OperationCode; CdbData = (PCHAR)(Srb->DataBuffer); CdbDataLen = Srb->DataTransferLength;
if(CdbDataLen > 0x1000) { CdbDataLen = 0x1000; }
KdPrint(("--\n")); KdPrint2(("DeviceID+VendorID/Rev %#x/%#x\n", deviceExtension->DevID, deviceExtension->RevID)); KdPrint2(("P:T:D=%d:%d:%d\n", Srb->PathId, Srb->TargetId, Srb->Lun)); KdPrint(("Complete SCSI Command %2.2x\n", ScsiCommand)); KdDump(Cdb, 16);
if(ScsiCommand == SCSIOP_MODE_SENSE) { KdPrint(("ModeSense 6\n")); PMODE_PARAMETER_HEADER ParamHdr = (PMODE_PARAMETER_HEADER)CdbData; ModeSelectData = CdbData+4; KdDump(CdbData, CdbDataLen); } else if(ScsiCommand == SCSIOP_MODE_SENSE10) { KdPrint(("ModeSense 10\n")); PMODE_PARAMETER_HEADER ParamHdr = (PMODE_PARAMETER_HEADER)CdbData; ModeSelectData = CdbData+8; KdDump(CdbData, CdbDataLen); } else { if(srb->SrbFlags & SRB_FLAGS_DATA_IN) { KdPrint(("Read buffer from device:\n")); KdDump(CdbData, CdbDataLen); } } KdPrint(("--\n")); }#endif //UNIATA_DUMP_ATAPI
CompleteRequest:
KdPrint2((PRINT_PREFIX "AtapiInterrupt: CompleteRequest, srbstatus %x\n", status)); // Check and see if we are processing our secret (mechanism status/request sense) srb
if(AtaReq->WordsLeft && (status == SRB_STATUS_SUCCESS)) { KdPrint2((PRINT_PREFIX "WordsLeft %#x -> SRB_STATUS_DATA_OVERRUN\n", AtaReq->WordsLeft)); status = SRB_STATUS_DATA_OVERRUN; }
if (AtaReq->OriginalSrb) {
ULONG srbStatus;
KdPrint2((PRINT_PREFIX "AtapiInterrupt: OriginalSrb != NULL\n")); if (srb->Cdb[0] == SCSIOP_MECHANISM_STATUS) {#ifdef UNIATA_INIT_CHANGERS // We can get here only when UNIATA_INIT_CHANGERS is defined KdPrint3((PRINT_PREFIX "AtapiInterrupt: SCSIOP_MECHANISM_STATUS status %#x\n", status)); if (status == SRB_STATUS_SUCCESS) { // Bingo!! AtapiHwInitializeChanger (HwDeviceExtension, srb, (PMECHANICAL_STATUS_INFORMATION_HEADER) srb->DataBuffer);
// Get ready to issue the original srb srb = AtaReq->Srb = AtaReq->OriginalSrb; AtaReq->OriginalSrb = NULL;
} else { // failed! Get the sense key and maybe try again srb = AtaReq->Srb = BuildRequestSenseSrb ( HwDeviceExtension, AtaReq->OriginalSrb); }/* // do not enable interrupts in DPC, do not waste time, do it now! if(UseDpc && chan->DisableIntr) { AtapiEnableInterrupts(HwDeviceExtension, c); UseDpc = FALSE; RestoreUseDpc = TRUE; }*/ srbStatus = AtapiSendCommand(HwDeviceExtension, srb, CMD_ACTION_ALL);
KdPrint3((PRINT_PREFIX "AtapiInterrupt: chan->ExpectingInterrupt %d (1)\n", chan->ExpectingInterrupt));
if (srbStatus == SRB_STATUS_PENDING) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: send orig SRB_STATUS_PENDING (1)\n")); goto ReturnEnableIntr; }/* if(RestoreUseDpc) { // restore state on error UseDpc = TRUE; AtapiDisableInterrupts(HwDeviceExtension, c); }*/#else KdPrint((PRINT_PREFIX "AtapiInterrupt: ERROR: internal SCSIOP_MECHANISM_STATUS !!!!\n")); ASSERT(FALSE);#endif // UNIATA_INIT_CHANGERS } else { // srb->Cdb[0] == SCSIOP_REQUEST_SENSE)
PSENSE_DATA senseData = (PSENSE_DATA) srb->DataBuffer;#ifdef __REACTOS__ (void)senseData;#endif
KdPrint3((PRINT_PREFIX "AtapiInterrupt: ATAPI command status %#x\n", status)); if (status == SRB_STATUS_DATA_OVERRUN) { // Check to see if we at least get mininum number of bytes if ((srb->DataTransferLength - AtaReq->WordsLeft) > (FIELD_OFFSET (SENSE_DATA, AdditionalSenseLength) + sizeof(senseData->AdditionalSenseLength))) { status = SRB_STATUS_SUCCESS; } }
if (status == SRB_STATUS_SUCCESS) {#ifndef UNIATA_CORE#ifdef UNIATA_INIT_CHANGERS if ((senseData->SenseKey != SCSI_SENSE_ILLEGAL_REQUEST) && FALSE && chan->MechStatusRetryCount) {
KdPrint3((PRINT_PREFIX "AtapiInterrupt: MechStatusRetryCount %#x\n", chan->MechStatusRetryCount)); // The sense key doesn't say the last request is illegal, so try again chan->MechStatusRetryCount--; srb = AtaReq->Srb = BuildMechanismStatusSrb ( HwDeviceExtension, AtaReq->OriginalSrb); } else#endif // UNIATA_INIT_CHANGERS { // Get ready to issue the original srb srb = AtaReq->Srb = AtaReq->OriginalSrb; AtaReq->OriginalSrb = NULL; }#endif //UNIATA_CORE/* // do not enable interrupts in DPC, do not waste time, do it now! if(UseDpc && chan->DisableIntr) { AtapiEnableInterrupts(HwDeviceExtension, c); UseDpc = FALSE; RestoreUseDpc = TRUE; }*/ srbStatus = AtapiSendCommand(HwDeviceExtension, srb, CMD_ACTION_ALL);
KdPrint3((PRINT_PREFIX "AtapiInterrupt: chan->ExpectingInterrupt %d (2)\n", chan->ExpectingInterrupt));
if (srbStatus == SRB_STATUS_PENDING) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: send orig SRB_STATUS_PENDING (2)\n")); goto ReturnEnableIntr; }/* if(RestoreUseDpc) { // restore state on error UseDpc = TRUE; AtapiDisableInterrupts(HwDeviceExtension, c); }*/ } }
// If we get here, it means AtapiSendCommand() has failed // Can't recover. Pretend the original srb has failed and complete it.
KdPrint3((PRINT_PREFIX "AtapiInterrupt: Error. complete OriginalSrb\n"));
if (AtaReq->OriginalSrb) { srb = AtaReq->Srb = AtaReq->OriginalSrb; AtaReq->OriginalSrb = NULL; }
KdPrint2((PRINT_PREFIX "AtapiInterrupt: chan->ExpectingInterrupt %d (3)\n", chan->ExpectingInterrupt));
// fake an error and read no data status = SRB_STATUS_ERROR; srb->ScsiStatus = 0; AtaReq->DataBuffer = (PUSHORT)(srb->DataBuffer); AtaReq->WordsLeft = srb->DataTransferLength; chan->RDP = FALSE;
} else if (status == SRB_STATUS_ERROR) {
// Map error to specific SRB status and handle request sense. KdPrint3((PRINT_PREFIX "AtapiInterrupt: Error. Begin mapping...\n")); status = MapError(deviceExtension, srb);
chan->RDP = FALSE;
} else if(!DmaTransfer) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: PIO completion\n")); // Command complete.PIO_wait_busy: KdPrint2((PRINT_PREFIX "AtapiInterrupt: PIO completion, wait BUSY\n")); // Wait for busy to drop. for (i = 0; i < 5*30; i++) { GetBaseStatus(chan, statusByte); if (!(statusByte & IDE_STATUS_BUSY)) { break; } if(!InDpc) { // goto DPC AtaReq->ReqState = REQ_STATE_DPC_WAIT_BUSY; TimerValue = 200; KdPrint2((PRINT_PREFIX "AtapiInterrupt: go to DPC (busy)\n"));#ifndef UNIATA_CORE goto PostToDpc;#else //UNIATA_CORE AtapiStallExecution(TimerValue); goto ServiceInterrupt;#endif //UNIATA_CORE } AtapiStallExecution(100); }
if (i == 5*30) {
// reset the controller. KdPrint2((PRINT_PREFIX "AtapiInterrupt: Resetting due to BSY still up - %#x.\n", statusByte)); goto IntrPrepareResetController; } // Check to see if DRQ is still up. if(statusByte & IDE_STATUS_DRQ) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: DRQ...\n")); if(srb) { if(srb->SrbFlags & SRB_FLAGS_DATA_IN) { KdPrint2((PRINT_PREFIX "srb %x data in\n", srb)); } else { KdPrint2((PRINT_PREFIX "srb %x data out\n", srb)); } } else { KdPrint2((PRINT_PREFIX "srb NULL\n")); } if(AtaReq) { KdPrint2((PRINT_PREFIX "AtaReq %x AtaReq->WordsLeft=%x\n", AtaReq, AtaReq->WordsLeft)); } else { KdPrint2((PRINT_PREFIX "AtaReq NULL\n")); } if(AtaReq && AtaReq->WordsLeft /*&& !(LunExt->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_TAPE_DEVICE | DFLAGS_LBA_ENABLED))*/) { KdPrint2((PRINT_PREFIX "DRQ+AtaReq->WordsLeft -> next portion\n")); goto continue_PIO; } } //if (atapiDev && (statusByte & IDE_STATUS_DRQ)) {} //if ((statusByte & IDE_STATUS_DRQ)) {} if((statusByte & IDE_STATUS_DRQ) && (LunExt->DeviceFlags & (DFLAGS_ATAPI_DEVICE | DFLAGS_TAPE_DEVICE | DFLAGS_LBA_ENABLED)) ) {
PIO_wait_DRQ: KdPrint2((PRINT_PREFIX "AtapiInterrupt: PIO_wait_DRQ\n")); for (i = 0; i < 200; i++) { GetBaseStatus(chan, statusByte); if (!(statusByte & IDE_STATUS_DRQ)) { break; } if(!InDpc) { // goto DPC KdPrint2((PRINT_PREFIX "AtapiInterrupt: go to DPC (drq)\n")); AtaReq->ReqState = REQ_STATE_DPC_WAIT_DRQ; TimerValue = 100;#ifndef UNIATA_CORE goto PostToDpc;#else //UNIATA_CORE AtapiStallExecution(TimerValue); goto ServiceInterrupt;#endif //UNIATA_CORE } AtapiStallExecution(100); }
if (i == 200) { // reset the controller. KdPrint2((PRINT_PREFIX "AtapiInterrupt: Resetting due to DRQ still up - %#x\n", statusByte)); goto IntrPrepareResetController; } } if(atapiDev) { KdPrint2(("IdeIntr: ATAPI Read AtaReq->DataBuffer %#x, srb->DataBuffer %#x, len %#x\n", AtaReq->DataBuffer, (srb ? srb->DataBuffer : (void*)(-1)), srb->DataTransferLength )); //KdDump(srb->DataBuffer, srb->DataTransferLength); } if(!AtapiDmaPioSync(HwDeviceExtension, srb, (PUCHAR)(srb->DataBuffer), srb->DataTransferLength)) { KdPrint2(("IdeIntr: Can't sync DMA and PIO buffers\n")); } }
// Clear interrupt expecting flag. UniataExpectChannelInterrupt(chan, FALSE); // clear this flag now, it can be set again in sub-calls InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
// Sanity check that there is a current request. if(srb != NULL) { // Set status in SRB. srb->SrbStatus = (UCHAR)status;
// Check for underflow. if(AtaReq->WordsLeft) {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: Check for underflow, AtaReq->WordsLeft %x\n", AtaReq->WordsLeft)); // Subtract out residual words and update if filemark hit, // setmark hit , end of data, end of media... if (!(LunExt->DeviceFlags & DFLAGS_TAPE_DEVICE)) { if (status == SRB_STATUS_DATA_OVERRUN) { srb->DataTransferLength -= AtaReq->WordsLeft*2; } else { srb->DataTransferLength = 0; } } else { srb->DataTransferLength -= AtaReq->WordsLeft*2; } } if(status == SRB_STATUS_SUCCESS) { //if(!(deviceExtension->HwFlags & UNIATA_AHCI) && !atapiDev) { // // This should be set in UniataAhciEndTransaction() for AHCI // AtaReq->WordsTransfered += AtaReq->bcount * DEV_BSIZE/2; //} if(!atapiDev && AtaReq->WordsTransfered*2 < AtaReq->TransferLength) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: more I/O required (%x of %x bytes) -> reenqueue\n", AtaReq->WordsTransfered*2, AtaReq->TransferLength)); AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; AtaReq->ReqState = REQ_STATE_PREPARE_TO_NEXT; goto reenqueue_req; } else { KdPrint2((PRINT_PREFIX " Transfered %x, full size %x\n", AtaReq->WordsTransfered*2, AtaReq->TransferLength)); } }
if (srb->Function != SRB_FUNCTION_IO_CONTROL) {
CompleteRDP: // Indicate command complete. if (!(chan->RDP)) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: RequestComplete\n"));IntrCompleteReq:
if (status == SRB_STATUS_SUCCESS && srb->SenseInfoBuffer && srb->SenseInfoBufferLength >= sizeof(SENSE_DATA)) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)srb->SenseInfoBuffer;
KdPrint2((PRINT_PREFIX "AtapiInterrupt: set AutoSense\n")); senseBuffer->ErrorCode = 0; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = 0; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
srb->SrbStatus |= SRB_STATUS_AUTOSENSE_VALID; } AtapiDmaDBSync(chan, srb); KdPrint2((PRINT_PREFIX "AtapiInterrupt: remove srb %#x, status %x\n", srb, status)); UniataRemoveRequest(chan, srb); KdPrint2((PRINT_PREFIX "AtapiInterrupt: RequestComplete, srb %#x\n", srb)); ScsiPortNotification(RequestComplete, deviceExtension, srb); } } else {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: IOCTL completion\n"));
if (status != SRB_STATUS_SUCCESS) { error = AtapiReadPort1(chan, IDX_IO1_i_Error); KdPrint2((PRINT_PREFIX "AtapiInterrupt: error %#x\n", error)); }
if(!AtapiStringCmp( (PCHAR)(((PSRB_IO_CONTROL)(srb->DataBuffer))->Signature),"SCSIDISK",sizeof("SCSIDISK")-1)) {
PSENDCMDOUTPARAMS cmdOutParameters = (PSENDCMDOUTPARAMS)(((PUCHAR)srb->DataBuffer) + sizeof(SRB_IO_CONTROL)); // Build the SMART status block depending upon the completion status. cmdOutParameters->cBufferSize = wordCount; cmdOutParameters->DriverStatus.bDriverError = (error) ? SMART_IDE_ERROR : 0; cmdOutParameters->DriverStatus.bIDEError = error;
// If the sub-command is return smart status, jam the value from cylinder low and high, into the // data buffer. if (chan->SmartCommand == RETURN_SMART_STATUS) { PIDEREGS_EX regs = (PIDEREGS_EX)&(cmdOutParameters->bBuffer);
regs->bOpFlags = 0; UniataSnapAtaRegs(chan, 0, regs);
regs->bCommandReg = SMART_CMD; regs->bFeaturesReg = RETURN_SMART_STATUS;
cmdOutParameters->cBufferSize = 8; } chan->SmartCommand = 0; // cleanup after execution } // Indicate command complete. goto IntrCompleteReq; }
} else {
KdPrint2((PRINT_PREFIX "AtapiInterrupt: No SRB!\n")); }
if (chan->RDP) { // Check DSC for (i = 0; i < 5; i++) { GetBaseStatus(chan, statusByte); if(!(statusByte & IDE_STATUS_BUSY)) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: RDP + cleared BUSY\n")); chan->RDP = FALSE; goto CompleteRDP; } else if (statusByte & IDE_STATUS_DSC) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: Clear RDP\n")); chan->RDP = FALSE; goto CompleteRDP; } AtapiStallExecution(50); } } // RDP can be cleared since previous check if (chan->RDP) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: RequestTimerCall 2000\n"));
TimerValue = 2000;#ifndef UNIATA_CORE goto CallTimerDpc;#else //UNIATA_CORE AtapiStallExecution(TimerValue); goto ServiceInterrupt;#endif //UNIATA_CORE }
// ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);enqueue_next_req: // Get next request srb = UniataGetCurRequest(chan);
reenqueue_req:
#ifndef UNIATA_CORE KdPrint2((PRINT_PREFIX "AtapiInterrupt: NextRequest, srb=%#x\n",srb)); if(!srb) { ScsiPortNotification(NextRequest, deviceExtension, NULL); } else { ScsiPortNotification(NextLuRequest, deviceExtension, PathId, TargetId, Lun); // in simplex mode next command must NOT be sent here if(!deviceExtension->simplexOnly) { AtapiStartIo__(HwDeviceExtension, srb, FALSE); } } // Try to get SRB fron any non-empty queue (later) if(deviceExtension->simplexOnly) { NoStartIo = FALSE; }#endif //UNIATA_CORE
goto ReturnEnableIntr;
} else {
// Unexpected int. Catch it KdPrint2((PRINT_PREFIX "AtapiInterrupt: Unexpected ATAPI interrupt. InterruptReason %#x. Status %#x.\n", interruptReason, statusByte));
if(g_opt_VirtualMachine == VM_QEMU) { if(interruptReason == ATAPI_IR_IO_toDev && !(statusByte & IDE_STATUS_DRQ) && !DmaTransfer) { statusByte = WaitForDrq(chan); if(statusByte & IDE_STATUS_DRQ) { goto continue_PIO; } } }
if(OldReqState == REQ_STATE_DPC_WAIT_BUSY0 && AtaReq->WordsLeft == 0) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: pending WAIT_BUSY0. Complete.\n")); status = SRB_STATUS_SUCCESS; chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; goto CompleteRequest; } }
ReturnEnableIntr:
KdPrint2((PRINT_PREFIX "AtapiInterrupt: ReturnEnableIntr\n",srb)); //UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt deviceExtension->ExpectingInterrupt = TRUE; if(UseDpc) { if(CrNtInterlockedExchangeAdd(&(chan->DisableIntr), 0)) { KdPrint2((PRINT_PREFIX "AtapiInterrupt: call AtapiEnableInterrupts__()\n"));#ifdef UNIATA_USE_XXableInterrupts //ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL); chan->ChannelCtrlFlags |= CTRFLAGS_ENABLE_INTR_REQ; // must be called on DISPATCH_LEVEL ScsiPortNotification(CallDisableInterrupts, HwDeviceExtension, AtapiEnableInterrupts__);#else AtapiEnableInterrupts(HwDeviceExtension, c); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); // Will raise IRQL to DIRQL#ifndef UNIATA_CORE AtapiQueueTimerDpc(HwDeviceExtension, lChannel, AtapiEnableInterrupts__, 1);#endif // UNIATA_CORE KdPrint2((PRINT_PREFIX "AtapiInterrupt: Timer DPC inited\n"));#endif // UNIATA_USE_XXableInterrupts } }
InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); // in simplex mode next command must be sent here if // DPC is not used KdPrint2((PRINT_PREFIX "AtapiInterrupt: exiting, UseDpc=%d, NoStartIo=%d\n", UseDpc, NoStartIo));
#ifndef UNIATA_CORE if(!UseDpc && /*deviceExtension->simplexOnly &&*/ !NoStartIo) { chan = UniataGetNextChannel(chan); if(chan) { srb = UniataGetCurRequest(chan); } else { srb = NULL; } KdPrint2((PRINT_PREFIX "AtapiInterrupt: run srb %x\n", srb)); if(srb) { AtapiStartIo__(HwDeviceExtension, srb, FALSE); } }#endif //UNIATA_CORE return TRUE;
} // end AtapiInterrupt__()
#ifndef UNIATA_CORE
/*++
Routine Description:
This routine handles SMART enable, disable, read attributes and threshold commands.
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet
Return Value:
SRB status
--*/ULONGNTAPIIdeSendSmartCommand( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN ULONG targetId // assume it is always valid ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; ULONG c ; // = GET_CHANNEL(Srb); may be invalid PHW_CHANNEL chan ; // = &(deviceExtension->chan[c]); PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension); PSENDCMDOUTPARAMS cmdOutParameters = (PSENDCMDOUTPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL)); SENDCMDINPARAMS cmdInParameters = *(PSENDCMDINPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL)); PIDEREGS regs = &cmdInParameters.irDriveRegs;// ULONG i; UCHAR statusByte; ULONG DeviceNumber;
if (regs->bCommandReg != SMART_CMD) { KdPrint2((PRINT_PREFIX "IdeSendSmartCommand: bCommandReg != SMART_CMD\n")); return SRB_STATUS_INVALID_REQUEST; }
c = targetId / deviceExtension->NumberLuns; DeviceNumber = targetId % deviceExtension->NumberLuns; KdPrint2((PRINT_PREFIX " c %d, dev %d\n", c, DeviceNumber));
chan = &(deviceExtension->chan[c]);
chan->SmartCommand = regs->bFeaturesReg;
// Determine which of the commands to carry out. switch(regs->bFeaturesReg) { case READ_ATTRIBUTES: case READ_THRESHOLDS: case READ_LOG_SECTOR: case WRITE_LOG_SECTOR:
if(Srb->DataTransferLength < sizeof(SRB_IO_CONTROL)+sizeof(SENDCMDOUTPARAMS) + READ_ATTRIBUTE_BUFFER_SIZE - 1) { KdPrint2((PRINT_PREFIX "IdeSendSmartCommand: wrong buffer size\n")); return SRB_STATUS_DATA_OVERRUN; }
statusByte = WaitOnBusy(chan);
if (statusByte & IDE_STATUS_BUSY) { KdPrint2((PRINT_PREFIX "IdeSendSmartCommand: Returning BUSY status\n")); return SRB_STATUS_BUSY; }
// Zero the ouput buffer as the input buffer info. has been saved off locally (the buffers are the same). RtlZeroMemory(cmdOutParameters, sizeof(SENDCMDOUTPARAMS) + READ_ATTRIBUTE_BUFFER_SIZE - 1);
// Set data buffer pointer and words left. AtaReq->DataBuffer = (PUSHORT)cmdOutParameters->bBuffer; AtaReq->WordsLeft = READ_ATTRIBUTE_BUFFER_SIZE / 2;
statusByte = AtaCommand(deviceExtension, DeviceNumber, c, regs->bCommandReg, (USHORT)(regs->bCylLowReg) | (((USHORT)(regs->bCylHighReg)) << 8), 0, regs->bSectorNumberReg, regs->bSectorCountReg, regs->bFeaturesReg, ATA_IMMEDIATE);
if(!(statusByte & IDE_STATUS_ERROR)) { // Wait for interrupt. return SRB_STATUS_PENDING; } return SRB_STATUS_ERROR;
case ENABLE_SMART: case DISABLE_SMART: case RETURN_SMART_STATUS: case ENABLE_DISABLE_AUTOSAVE: case EXECUTE_OFFLINE_DIAGS: case SAVE_ATTRIBUTE_VALUES: case AUTO_OFFLINE:
statusByte = WaitOnBusy(chan);
if (statusByte & IDE_STATUS_BUSY) { KdPrint2((PRINT_PREFIX "IdeSendSmartCommand: Returning BUSY status\n")); return SRB_STATUS_BUSY; }
// Zero the ouput buffer as the input buffer info. has been saved off locally (the buffers are the same). RtlZeroMemory(cmdOutParameters, sizeof(SENDCMDOUTPARAMS) - 1);
// Set data buffer pointer and indicate no data transfer. AtaReq->DataBuffer = (PUSHORT)cmdOutParameters->bBuffer; AtaReq->WordsLeft = 0;
statusByte = AtaCommand(deviceExtension, DeviceNumber, c, regs->bCommandReg, (USHORT)(regs->bCylLowReg) | (((USHORT)(regs->bCylHighReg)) << 8), 0, regs->bSectorNumberReg, regs->bSectorCountReg, regs->bFeaturesReg, ATA_IMMEDIATE);
if(!(statusByte & IDE_STATUS_ERROR)) { // Wait for interrupt. UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt return SRB_STATUS_PENDING; } return SRB_STATUS_ERROR; } // end switch(regs->bFeaturesReg)
return SRB_STATUS_INVALID_REQUEST;
} // end IdeSendSmartCommand()
#endif //UNIATA_CORE
ULONGLONGNTAPIUniAtaCalculateLBARegs( PHW_LU_EXTENSION LunExt, ULONGLONG startingSector, PULONG max_bcount ){ UCHAR drvSelect,sectorNumber; USHORT cylinder; ULONG tmp;
if(LunExt->DeviceFlags & DFLAGS_LBA_ENABLED) { (*max_bcount) = 0; if(LunExt->LimitedTransferMode >= ATA_DMA) { if(LunExt->DeviceExtension) { (*max_bcount) = LunExt->DeviceExtension->MaximumDmaTransferLength / DEV_BSIZE; } } return startingSector; } tmp = LunExt->IdentifyData.SectorsPerTrack * LunExt->IdentifyData.NumberOfHeads; if(!tmp) { KdPrint2((PRINT_PREFIX "UniAtaCalculateLBARegs: 0-sized\n")); cylinder = 0; drvSelect = 0; sectorNumber = 1; (*max_bcount) = LunExt->IdentifyData.SectorsPerTrack; } else { cylinder = (USHORT)(startingSector / tmp); drvSelect = (UCHAR)((startingSector % tmp) / LunExt->IdentifyData.SectorsPerTrack); sectorNumber = (UCHAR)(startingSector % LunExt->IdentifyData.SectorsPerTrack) + 1; (*max_bcount) = LunExt->IdentifyData.SectorsPerTrack - sectorNumber + 1; KdPrint2((PRINT_PREFIX "UniAtaCalculateLBARegs: C:H:S=%#x:%#x:%#x, max_bc %#x\n", cylinder, drvSelect, sectorNumber, (*max_bcount))); }
return (ULONG)(sectorNumber&0xff) | (((ULONG)cylinder&0xffff)<<8) | (((ULONG)drvSelect&0xf)<<24);} // end UniAtaCalculateLBARegs()
ULONGLONGNTAPIUniAtaCalculateLBARegsBack( PHW_LU_EXTENSION LunExt, ULONGLONG lba ){ ULONG drvSelect,sectorNumber; ULONG cylinder; ULONG tmp;
if(LunExt->DeviceFlags & DFLAGS_LBA_ENABLED) { return lba; } tmp = LunExt->IdentifyData.SectorsPerTrack * LunExt->IdentifyData.NumberOfHeads;
cylinder = (USHORT)((lba >> 8) & 0xffff); drvSelect = (UCHAR)((lba >> 24) & 0xf); sectorNumber = (UCHAR)(lba & 0xff);
lba = sectorNumber-1 + (drvSelect*LunExt->IdentifyData.SectorsPerTrack) + (cylinder*tmp);
return lba;} // end UniAtaCalculateLBARegsBack()
/*++
Routine Description:
This routine handles IDE read and writes.
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet
Return Value:
SRB status
--*/ULONGNTAPIIdeReadWrite( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN ULONG CmdAction ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; UCHAR lChannel = GET_CHANNEL(Srb); PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); PHW_LU_EXTENSION LunExt; PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension); //ULONG ldev = GET_LDEV(Srb); UCHAR DeviceNumber = GET_CDEV(Srb);; ULONGLONG startingSector=0; ULONG max_bcount = 0; ULONG wordCount = 0; UCHAR statusByte,statusByte2; UCHAR cmd; ULONGLONG lba; BOOLEAN use_dma = FALSE; ULONG fis_size;
AtaReq->Flags |= REQ_FLAG_REORDERABLE_CMD; LunExt = chan->lun[DeviceNumber];
if((CmdAction & CMD_ACTION_PREPARE) && (AtaReq->ReqState != REQ_STATE_READY_TO_TRANSFER)) {
if(LunExt->opt_ReadOnly && (Srb->SrbFlags & SRB_FLAGS_DATA_OUT)) { if(LunExt->opt_ReadOnly == 1) { KdPrint2((PRINT_PREFIX "Abort WRITE (Soft R/O)\n")); return SRB_STATUS_ERROR; } else { KdPrint2((PRINT_PREFIX "Ignore WRITE (Soft R/O)\n")); return SRB_STATUS_SUCCESS; } }
// Set data buffer pointer and words left. AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION;
if(AtaReq->WordsTransfered) { AtaReq->DataBuffer = ((PUSHORT)(Srb->DataBuffer)) + AtaReq->WordsTransfered; startingSector = (UniAtaCalculateLBARegsBack(LunExt, AtaReq->lba)) /* latest lba */ + AtaReq->bcount /* previous bcount */; AtaReq->bcount = (AtaReq->TransferLength - AtaReq->WordsTransfered*2 + DEV_BSIZE-1) / DEV_BSIZE; KdPrint2((PRINT_PREFIX "IdeReadWrite (Chained REQ): Starting sector %I64x, OrigWordsRequested %#x, WordsTransfered %#x, DevSize %#x\n", startingSector, AtaReq->TransferLength/2, AtaReq->WordsTransfered, AtaReq->bcount)); } else { AtaReq->DataBuffer = (PUSHORT)(Srb->DataBuffer); AtaReq->TransferLength = Srb->DataTransferLength; // Set up 1st block. switch(Srb->Cdb[0]) { case SCSIOP_WRITE: if(LunExt->DeviceFlags & DFLAGS_LBA32plus) { KdPrint2((PRINT_PREFIX "Attention: SCSIOP_WRITE on 2TB\n")); //return SRB_STATUS_ERROR; } // FALLTHROUGH case SCSIOP_READ: MOV_DD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB10.LBA); MOV_SWP_DW2DD(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB10.TransferBlocks); break; case SCSIOP_WRITE12: if(LunExt->DeviceFlags & DFLAGS_LBA32plus) { KdPrint2((PRINT_PREFIX "Attention: SCSIOP_WRITE12 on 2TB\n")); //return SRB_STATUS_ERROR; } // FALLTHROUGH case SCSIOP_READ12: MOV_DD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB12READWRITE.LBA); MOV_DD_SWP(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB12READWRITE.NumOfBlocks); break; case SCSIOP_READ16: case SCSIOP_WRITE16: MOV_QD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB16READWRITE.LBA); MOV_DD_SWP(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB16READWRITE.NumOfBlocks); break; } KdPrint2((PRINT_PREFIX "IdeReadWrite (Orig REQ): Starting sector %I64x, OrigWordsRequested %#x, DevSize %#x\n", startingSector, AtaReq->TransferLength/2, AtaReq->bcount)); } lba = UniAtaCalculateLBARegs(LunExt, startingSector, &max_bcount);
if(max_bcount) { AtaReq->bcount = min(AtaReq->bcount, max_bcount); } AtaReq->WordsLeft = min(AtaReq->TransferLength - AtaReq->WordsTransfered*2, AtaReq->bcount * DEV_BSIZE) / 2;
KdPrint2((PRINT_PREFIX "IdeReadWrite (REQ): Starting sector is %I64x, Number of WORDS %#x, DevSize %#x\n", startingSector, AtaReq->WordsLeft, AtaReq->bcount));
AtaReq->lba = lba; if(LunExt->errRetry && lba == LunExt->errLastLba && /* AtaReq->bcount && */ // errRetry can be set only for non-zero bcount AtaReq->bcount == LunExt->errBCount) { KdPrint3((PRINT_PREFIX "IdeReadWrite: Retry after BUS_RESET %d @%#I64x (%#x)\n", LunExt->errRetry, LunExt->errLastLba, LunExt->errBCount)); if(AtaReq->retry < MAX_RETRIES) { AtaReq->retry = LunExt->errRetry; AtaReq->Flags |= REQ_FLAG_FORCE_DOWNRATE; } LunExt->errRetry = 0; }
// assume best case here // we cannot reinit Dma until previous request is completed if(deviceExtension->HwFlags & UNIATA_AHCI) { UniataAhciSetupCmdPtr(AtaReq); if(!AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(AtaReq->DataBuffer), AtaReq->bcount * DEV_BSIZE)) { KdPrint3((PRINT_PREFIX "IdeReadWrite: AHCI !DMA\n")); return SRB_STATUS_ERROR; } } else if ((LunExt->LimitedTransferMode >= ATA_DMA)) { use_dma = TRUE; // this will set REQ_FLAG_DMA_OPERATION in AtaReq->Flags on success if(!AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(AtaReq->DataBuffer), AtaReq->bcount * DEV_BSIZE)) { use_dma = FALSE; } }
if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX "IdeReadWrite: setup AHCI FIS\n")); RtlZeroMemory(&(AtaReq->ahci.ahci_cmd_ptr->cfis), sizeof(AtaReq->ahci_cmd0.cfis));
fis_size = UniataAhciSetupFIS_H2D(deviceExtension, DeviceNumber, lChannel, &(AtaReq->ahci.ahci_cmd_ptr->cfis[0]), (AtaReq->Flags & REQ_FLAG_READ) ? IDE_COMMAND_READ_DMA : IDE_COMMAND_WRITE_DMA, lba, (USHORT)(AtaReq->bcount), 0 /*,(AtaReq->Flags & REQ_FLAG_READ) ? 0 : ATA_AHCI_CMD_WRITE*/ );
if(!fis_size) { KdPrint3((PRINT_PREFIX "IdeReadWrite: AHCI !FIS\n")); return SRB_STATUS_ERROR; }
AtaReq->ahci.io_cmd_flags = UniAtaAhciAdjustIoFlags(0, (AtaReq->Flags & REQ_FLAG_READ) ? 0 : ATA_AHCI_CMD_WRITE, fis_size, DeviceNumber); KdPrint2((PRINT_PREFIX "IdeReadWrite ahci io flags %x: \n", AtaReq->ahci.io_cmd_flags)); }
AtaReq->ReqState = REQ_STATE_READY_TO_TRANSFER;
} else { // exec_only KdPrint2((PRINT_PREFIX "IdeReadWrite (ExecOnly): \n")); lba = AtaReq->lba;
if(AtaReq->Flags & REQ_FLAG_DMA_OPERATION) { use_dma = TRUE; } } if(!(CmdAction & CMD_ACTION_EXEC)) {
return SRB_STATUS_PENDING; }
// if this is queued request, reinit DMA and check // if DMA mode is still available AtapiDmaReinit(deviceExtension, LunExt, AtaReq); if (/*EnableDma &&*/ (LunExt->TransferMode >= ATA_DMA)) { use_dma = TRUE; } else { AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; use_dma = FALSE; }
// Check if write request. if (Srb->SrbFlags & SRB_FLAGS_DATA_IN) {
// Prepare read command. if(use_dma) { cmd = IDE_COMMAND_READ_DMA; } else if(LunExt->MaximumBlockXfer) { cmd = IDE_COMMAND_READ_MULTIPLE; } else { cmd = IDE_COMMAND_READ; } } else {
// Prepare write command. if (use_dma) { wordCount = AtaReq->bcount*DEV_BSIZE/2; cmd = IDE_COMMAND_WRITE_DMA; } else if (LunExt->MaximumBlockXfer) { wordCount = DEV_BSIZE/2 * LunExt->MaximumBlockXfer;
if (AtaReq->WordsLeft < wordCount) { // Transfer only words requested. wordCount = AtaReq->WordsLeft; } cmd = IDE_COMMAND_WRITE_MULTIPLE;
} else { wordCount = DEV_BSIZE/2; cmd = IDE_COMMAND_WRITE; } }
// Send IO command. KdPrint2((PRINT_PREFIX "IdeReadWrite: Lba %#I64x, Count %#x(%#x)\n", lba, ((Srb->DataTransferLength + 0x1FF) / 0x200), ((wordCount*2 + DEV_BSIZE-1) / DEV_BSIZE))); if(use_dma) { chan->ChannelCtrlFlags |= CTRFLAGS_DMA_OPERATION; } else { chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; }
if(deviceExtension->HwFlags & UNIATA_AHCI) { // AHCI doesn't distinguish DMA and PIO //AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb); UniataAhciBeginTransaction(HwDeviceExtension, lChannel, DeviceNumber, Srb); UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); return SRB_STATUS_PENDING; }
if ((Srb->SrbFlags & SRB_FLAGS_DATA_IN) || use_dma) { if(use_dma) { AtapiDmaDBPreSync(HwDeviceExtension, chan, Srb); if(g_opt_BochsDmaReadWorkaround && (Srb->SrbFlags & SRB_FLAGS_DATA_IN)) { KdPrint2((PRINT_PREFIX "CTRFLAGS_DMA_BEFORE_R on BOCHS\n")); AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb); } } statusByte2 = AtaCommand48(deviceExtension, DeviceNumber, lChannel, cmd, lba, (USHORT)(AtaReq->bcount),// (UCHAR)((wordCount*2 + DEV_BSIZE-1) / DEV_BSIZE), 0, ATA_IMMEDIATE);/* if(statusByte2 != IDE_STATUS_WRONG) { GetStatus(chan, statusByte2); }*/ if(statusByte2 & IDE_STATUS_ERROR) { // Unfortunately, we cannot handle errors in such a way in real life (except known bad blocks). // Because some devices doesn't reset ERR from previous command immediately after getting new one. // On the other hand we cannot wait here because of possible timeout condition statusByte = AtapiReadPort1(chan, IDX_IO1_i_Error); KdPrint2((PRINT_PREFIX "IdeReadWrite: status %#x, error %#x\n", statusByte2, statusByte)); return SRB_STATUS_ERROR; } if(use_dma) { if(!g_opt_BochsDmaReadWorkaround || !(Srb->SrbFlags & SRB_FLAGS_DATA_IN)) { //GetStatus(chan, statusByte2); AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb); } } return SRB_STATUS_PENDING; }
statusByte = AtaCommand48(deviceExtension, DeviceNumber, lChannel, cmd, lba, (USHORT)(AtaReq->bcount),// (UCHAR)((wordCount*2 + DEV_BSIZE-1) / DEV_BSIZE), 0, ATA_WAIT_INTR);
if (!(statusByte & IDE_STATUS_DRQ) || statusByte == IDE_STATUS_WRONG) {
if(statusByte == IDE_STATUS_WRONG) { KdPrint2((PRINT_PREFIX "IdeReadWrite: error sending command (%#x)\n", statusByte)); } else { KdPrint2((PRINT_PREFIX "IdeReadWrite: DRQ never asserted (%#x)\n", statusByte)); }
AtaReq->WordsLeft = 0;
// Clear interrupt expecting flag. UniataExpectChannelInterrupt(chan, FALSE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
// Clear current SRB. UniataRemoveRequest(chan, Srb);
return (statusByte == IDE_STATUS_WRONG) ? SRB_STATUS_ERROR : SRB_STATUS_TIMEOUT; }
UniataExpectChannelInterrupt(chan, TRUE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
// Write next DEV_BSIZE/2*N words. if (!(LunExt->DeviceFlags & DFLAGS_DWORDIO_ENABLED) || (wordCount & 1)) { KdPrint2((PRINT_PREFIX "IdeReadWrite: Write %#x words\n", wordCount));
WriteBuffer(chan, AtaReq->DataBuffer, wordCount, UniataGetPioTiming(LunExt));
} else {
KdPrint2((PRINT_PREFIX "IdeReadWrite: Write %#x Dwords\n", wordCount/2));
WriteBuffer2(chan, (PULONG)(AtaReq->DataBuffer), wordCount / 2, UniataGetPioTiming(LunExt)); }
// Adjust buffer address and words left count. AtaReq->WordsLeft -= wordCount; AtaReq->DataBuffer += wordCount; AtaReq->WordsTransfered += wordCount;
// Wait for interrupt. return SRB_STATUS_PENDING;
} // end IdeReadWrite()
#ifndef UNIATA_CORE
/*++
Routine Description: This routine handles IDE Verify.
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet `Return Value: SRB status
--*/ULONGNTAPIIdeVerify( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; UCHAR lChannel = GET_CHANNEL(Srb); PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension); PHW_LU_EXTENSION LunExt; //ULONG ldev = GET_LDEV(Srb); ULONG DeviceNumber = GET_CDEV(Srb); UCHAR statusByte; ULONGLONG startingSector=0; ULONG max_bcount; ULONGLONG sectors; ULONGLONG endSector; ULONG sectorCount=0; ULONGLONG lba;
LunExt = chan->lun[DeviceNumber]; // Drive has these number sectors. if(!(sectors = (ULONG)(LunExt->NumOfSectors))) { sectors = LunExt->IdentifyData.SectorsPerTrack * LunExt->IdentifyData.NumberOfHeads * LunExt->IdentifyData.NumberOfCylinders; }
KdPrint2((PRINT_PREFIX "IdeVerify: Total sectors %#I64x\n", sectors));
// Get starting sector number from CDB. switch(Srb->Cdb[0]) { case SCSIOP_VERIFY: MOV_DD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB10.LBA); MOV_SWP_DW2DD(sectorCount, ((PCDB)Srb->Cdb)->CDB10.TransferBlocks); break; case SCSIOP_VERIFY12: MOV_DD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB12READWRITE.LBA); MOV_DD_SWP(sectorCount, ((PCDB)Srb->Cdb)->CDB12READWRITE.NumOfBlocks); break; case SCSIOP_VERIFY16: MOV_QD_SWP(startingSector, ((PCDB)Srb->Cdb)->CDB16READWRITE.LBA); MOV_DD_SWP(sectorCount, ((PCDB)Srb->Cdb)->CDB16READWRITE.NumOfBlocks); break; }
KdPrint2((PRINT_PREFIX "IdeVerify: Starting sector %#I64x. Number of blocks %#x\n", startingSector, sectorCount));
endSector = startingSector + sectorCount;
KdPrint2((PRINT_PREFIX "IdeVerify: Ending sector %#I64x\n", endSector));
if (endSector > sectors) {
// Too big, round down. KdPrint2((PRINT_PREFIX "IdeVerify: Truncating request to %#x blocks\n", sectors - startingSector - 1));
sectorCount = (ULONG)(sectors - startingSector - 1);
} else {
// Set up sector count register. Round up to next block. if (sectorCount > 0xFF) { sectorCount = (USHORT)0xFF; } }
// Set data buffer pointer and words left. AtaReq->DataBuffer = (PUSHORT)Srb->DataBuffer; AtaReq->WordsLeft = Srb->DataTransferLength / 2;
// Indicate expecting an interrupt. InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
lba = UniAtaCalculateLBARegs(LunExt, startingSector, &max_bcount);
statusByte = AtaCommand48(deviceExtension, LunExt->Lun, GET_CHANNEL(Srb), IDE_COMMAND_VERIFY, lba, (USHORT)sectorCount, 0, ATA_IMMEDIATE);
if(!(statusByte & IDE_STATUS_ERROR)) { // Wait for interrupt. UniataExpectChannelInterrupt(chan, TRUE); return SRB_STATUS_PENDING; } return SRB_STATUS_ERROR;
} // end IdeVerify()
#endif //UNIATA_CORE
/*++
Routine Description: Send ATAPI packet command to device.
Arguments: HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet
Return Value:
--*/ULONGNTAPIAtapiSendCommand( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN ULONG CmdAction ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; UCHAR lChannel = GET_CHANNEL(Srb); PHW_CHANNEL chan = &(deviceExtension->chan[lChannel]); PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension); PHW_LU_EXTENSION LunExt; //ULONG ldev = GET_LDEV(Srb); ULONG DeviceNumber = GET_CDEV(Srb); ULONG flags; UCHAR statusByte,statusByte0,byteCountLow,byteCountHigh; UCHAR interruptReason; BOOLEAN use_dma = FALSE; BOOLEAN dma_reinited = FALSE; BOOLEAN retried = FALSE; ULONG fis_size, i; UCHAR FeatureReg=0;
LunExt = chan->lun[DeviceNumber];
KdPrint3((PRINT_PREFIX "AtapiSendCommand: req state %#x, Action %x\n", AtaReq->ReqState, CmdAction)); if(AtaReq->ReqState < REQ_STATE_PREPARE_TO_TRANSFER) AtaReq->ReqState = REQ_STATE_PREPARE_TO_TRANSFER;
#ifdef UNIATA_DUMP_ATAPI if(CmdAction & CMD_ACTION_PREPARE) { UCHAR ScsiCommand; PCDB Cdb; PCHAR CdbData; PCHAR ModeSelectData; ULONG CdbDataLen;
Cdb = (PCDB)(Srb->Cdb); ScsiCommand = Cdb->CDB6.OperationCode; CdbData = (PCHAR)(Srb->DataBuffer); CdbDataLen = Srb->DataTransferLength;
if(CdbDataLen > 0x1000) { CdbDataLen = 0x1000; }
KdPrint(("--\n")); KdPrint2(("DeviceID+VendorID/Rev %#x/%#x\n", deviceExtension->DevID, deviceExtension->RevID)); KdPrint2(("P:T:D=%d:%d:%d\n", Srb->PathId, Srb->TargetId, Srb->Lun)); KdPrint(("SCSI Command %2.2x\n", ScsiCommand)); KdDump(Cdb, 16);
if(ScsiCommand == SCSIOP_WRITE_CD) { KdPrint(("Write10, LBA %2.2x%2.2x%2.2x%2.2x\n", Cdb->WRITE_CD.LBA[0], Cdb->WRITE_CD.LBA[1], Cdb->WRITE_CD.LBA[2], Cdb->WRITE_CD.LBA[3] )); } else if(ScsiCommand == SCSIOP_WRITE12) { KdPrint(("Write12, LBA %2.2x%2.2x%2.2x%2.2x\n", Cdb->CDB12READWRITE.LBA[0], Cdb->CDB12READWRITE.LBA[1], Cdb->CDB12READWRITE.LBA[2], Cdb->CDB12READWRITE.LBA[3] )); } else if(ScsiCommand == SCSIOP_WRITE16) { KdPrint(("Write16, LBA %2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\n", Cdb->CDB16READWRITE.LBA[0], Cdb->CDB16READWRITE.LBA[1], Cdb->CDB16READWRITE.LBA[2], Cdb->CDB16READWRITE.LBA[3], Cdb->CDB16READWRITE.LBA[4], Cdb->CDB16READWRITE.LBA[5], Cdb->CDB16READWRITE.LBA[6], Cdb->CDB16READWRITE.LBA[7] )); } else if(ScsiCommand == SCSIOP_MODE_SELECT) { KdPrint(("ModeSelect 6\n")); PMODE_PARAMETER_HEADER ParamHdr = (PMODE_PARAMETER_HEADER)CdbData; ModeSelectData = CdbData+4; KdDump(CdbData, CdbDataLen); } else if(ScsiCommand == SCSIOP_MODE_SELECT10) { KdPrint(("ModeSelect 10\n")); PMODE_PARAMETER_HEADER ParamHdr = (PMODE_PARAMETER_HEADER)CdbData; ModeSelectData = CdbData+8; KdDump(CdbData, CdbDataLen); } else { if(Srb->SrbFlags & SRB_FLAGS_DATA_OUT) { KdPrint(("Send buffer to device:\n")); KdDump(CdbData, CdbDataLen); } } KdPrint(("--\n")); }#endif //UNIATA_DUMP_ATAPI
if(CmdAction == CMD_ACTION_PREPARE) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: CMD_ACTION_PREPARE, Cdb %x\n", &(Srb->Cdb)));
switch (Srb->Cdb[0]) { case SCSIOP_RECEIVE: case SCSIOP_SEND: case SCSIOP_READ: case SCSIOP_WRITE: case SCSIOP_READ12: case SCSIOP_WRITE12: case SCSIOP_READ16: case SCSIOP_WRITE16: // all right break; case SCSIOP_READ_CD: case SCSIOP_READ_CD_MSF: if(deviceExtension->opt_AtapiDmaRawRead) { // all right break; } /* FALL THROUGH */ default: KdPrint2((PRINT_PREFIX "AtapiSendCommand: SRB_STATUS_BUSY\n")); return SRB_STATUS_BUSY; } //#ifdef UNIATA_INIT_CHANGERS if (!(LunExt->DeviceFlags & DFLAGS_CHANGER_INITED) && !AtaReq->OriginalSrb) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: SRB_STATUS_BUSY (2)\n")); return SRB_STATUS_BUSY; }#endif // UNIATA_INIT_CHANGERS }
#ifndef UNIATA_CORE // standard atapi.sys claims:
// We need to know how many platters our atapi cd-rom device might have. // Before anyone tries to send a srb to our target for the first time, // we must "secretly" send down a separate mechanism status srb in order to // initialize our device extension changer data. That's how we know how // many platters our target has.
// BUT! // some devices freeze (sometimes) forever on this command // Let CD-ROM driver send this command itself, if it find it necessary // We shall just parse output (if any)
#ifdef UNIATA_INIT_CHANGERS if (!(LunExt->DeviceFlags & DFLAGS_CHANGER_INITED) && !AtaReq->OriginalSrb) {
ULONG srbStatus;
KdPrint3((PRINT_PREFIX "AtapiSendCommand: BuildMechanismStatusSrb()\n")); // Set this flag now. If the device hangs on the mech. status // command, we will not have the chance to set it. LunExt->DeviceFlags |= DFLAGS_CHANGER_INITED;
chan->MechStatusRetryCount = 3; AtaReq->OriginalSrb = Srb; AtaReq->Srb = BuildMechanismStatusSrb ( HwDeviceExtension, Srb);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: AtapiSendCommand recursive\n")); srbStatus = AtapiSendCommand(HwDeviceExtension, AtaReq->Srb, CMD_ACTION_ALL); if (srbStatus == SRB_STATUS_PENDING) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: SRB_STATUS_PENDING (2)\n")); return srbStatus; } else {
// failed! Get the sense key and maybe try again AtaReq->Srb = BuildRequestSenseSrb ( HwDeviceExtension, AtaReq->OriginalSrb);
srbStatus = AtapiSendCommand(HwDeviceExtension, AtaReq->Srb, CMD_ACTION_ALL);
KdPrint3((PRINT_PREFIX "AtapiSendCommand: chan->ExpectingInterrupt %d (1)\n", chan->ExpectingInterrupt));
if (srbStatus == SRB_STATUS_PENDING) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: send orig SRB_STATUS_PENDING (2.1)\n")); return srbStatus; }
// failed again ? should not get here AtaReq->Srb = AtaReq->OriginalSrb; AtaReq->OriginalSrb = NULL; // fall out } }#endif // UNIATA_INIT_CHANGERS#endif //UNIATA_CORE
if((CmdAction & CMD_ACTION_PREPARE) && (AtaReq->ReqState != REQ_STATE_READY_TO_TRANSFER)) {
KdPrint2((PRINT_PREFIX "AtapiSendCommand: prepare..., ATAPI CMD %x (Cdb %x)\n", Srb->Cdb[0], &(Srb->Cdb)));
if(!LunExt->IdentifyData.AtapiCmdSize && (Srb->CdbLength > 12)) { KdPrint2((PRINT_PREFIX "Cdb16 not supported\n")); return SRB_STATUS_INVALID_REQUEST; }
// Set data buffer pointer and words left. AtaReq->DataBuffer = (PUSHORT)Srb->DataBuffer; AtaReq->WordsLeft = Srb->DataTransferLength / 2; AtaReq->TransferLength = Srb->DataTransferLength; AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; // reset this to force PRD init. May be already setup by recursive SRB AtaReq->dma_entries = 0;
// check if reorderable switch(Srb->Cdb[0]) { case SCSIOP_READ16: case SCSIOP_WRITE16:
MOV_DD_SWP(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB16READWRITE.NumOfBlocks); MOV_QD_SWP(AtaReq->lba, ((PCDB)Srb->Cdb)->CDB16READWRITE.LBA); goto GetLba2;
case SCSIOP_READ12: case SCSIOP_WRITE12:
MOV_DD_SWP(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB12READWRITE.NumOfBlocks); goto GetLba;
case SCSIOP_READ: case SCSIOP_WRITE:
MOV_SWP_DW2DD(AtaReq->bcount, ((PCDB)Srb->Cdb)->CDB10.TransferBlocks);GetLba: MOV_DD_SWP(AtaReq->lba, ((PCDB)Srb->Cdb)->CDB10.LBA);GetLba2: AtaReq->Flags |= REQ_FLAG_REORDERABLE_CMD; AtaReq->Flags &= ~REQ_FLAG_RW_MASK; AtaReq->Flags |= (Srb->Cdb[0] == SCSIOP_WRITE || Srb->Cdb[0] == SCSIOP_WRITE12 || Srb->Cdb[0] == SCSIOP_WRITE16) ? REQ_FLAG_WRITE : REQ_FLAG_READ; break; default: AtaReq->Flags &= ~REQ_FLAG_RW_MASK; if(!AtaReq->TransferLength) { KdPrint((" assume 0-transfer\n")); } else if(Srb->SrbFlags & SRB_FLAGS_DATA_OUT) { KdPrint((" assume OUT\n")); AtaReq->Flags |= REQ_FLAG_WRITE; } else if(Srb->SrbFlags & SRB_FLAGS_DATA_IN) { KdPrint((" assume IN\n")); AtaReq->Flags |= REQ_FLAG_READ; } break; }
// check if DMA read/write if(g_opt_AtapiNoDma) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: CTRFLAGS_DMA_BEFORE_R => no dma\n")); use_dma = FALSE; } else if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: force use dma (ahci)\n")); use_dma = TRUE; goto setup_dma; } else/* if((deviceExtension->HwFlags & UNIATA_SATA) && (LunExt->OrigTransferMode >= ATA_DMA)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: force use dma (sata)\n")); use_dma = TRUE; goto setup_dma; } else*/ if(Srb->Cdb[0] == SCSIOP_REQUEST_SENSE) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: SCSIOP_REQUEST_SENSE, no DMA setup\n")); } else if(AtaReq->TransferLength && !(AtaReq->TransferLength & 0x0f)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: try DMA setup\n")); // try use DMA if TransferLength is 16-byte aligned switch(Srb->Cdb[0]) { case SCSIOP_WRITE: case SCSIOP_WRITE12: case SCSIOP_WRITE16: case SCSIOP_SEND: if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_RO) break; /* FALLTHROUGH */ case SCSIOP_RECEIVE: case SCSIOP_READ: case SCSIOP_READ12: case SCSIOP_READ16:
if(deviceExtension->opt_AtapiDmaReadWrite) {call_dma_setup: if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: use dma (ahci)\n")); use_dma = TRUE; } else if(AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(AtaReq->DataBuffer), Srb->DataTransferLength /*((Srb->DataTransferLength + DEV_BSIZE-1) & ~(DEV_BSIZE-1))*/ )) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: use dma\n")); use_dma = TRUE; } } break; case SCSIOP_READ_CD: case SCSIOP_READ_CD_MSF: if(deviceExtension->opt_AtapiDmaRawRead) goto call_dma_setup; break; default:
if(deviceExtension->opt_AtapiDmaControlCmd) { if(Srb->SrbFlags & SRB_FLAGS_DATA_IN) { // read operation use_dma = TRUE; } else { // write operation if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_RO) { KdPrint2((PRINT_PREFIX "dma RO\n")); use_dma = FALSE; } else { use_dma = TRUE; } } } break; } // try setup DMAsetup_dma: if(use_dma) { if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: use dma (ahci)\n")); //use_dma = TRUE; } else if(!AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(AtaReq->DataBuffer), Srb->DataTransferLength)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: no dma\n")); use_dma = FALSE; } else { KdPrint2((PRINT_PREFIX "AtapiSendCommand: use dma\n")); } } } else { KdPrint2((PRINT_PREFIX "AtapiSendCommand: zero/unaligned transfer %x, no DMA setup\n", AtaReq->TransferLength)); }
if(deviceExtension->HwFlags & UNIATA_AHCI) {
UniataAhciSetupCmdPtr(AtaReq);
if(!Srb->DataTransferLength) { KdPrint2((PRINT_PREFIX "zero-transfer\n")); use_dma = FALSE; } else if(!AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(AtaReq->DataBuffer), Srb->DataTransferLength)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: no AHCI dma!\n")); return SRB_STATUS_ERROR; } if(!use_dma) { AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; } else { FeatureReg |= ATA_F_DMA; if(LunExt->IdentifyData.AtapiDMA.DMADirRequired) { if(Srb->SrbFlags & SRB_FLAGS_DATA_IN) { KdPrint2((PRINT_PREFIX "Set DMADir.\n")); FeatureReg |= ATA_F_DMAREAD; } } }
KdPrint2((PRINT_PREFIX "AtapiSendCommand: setup AHCI FIS\n")); // this is done in UniataAhciSetupFIS_H2D() //RtlZeroMemory(&(AtaReq->ahci.ahci_cmd_ptr->cfis), sizeof(AtaReq->ahci_cmd0.cfis)); RtlCopyMemory(&(AtaReq->ahci.ahci_cmd_ptr->acmd), Srb->Cdb, Srb->CdbLength);
fis_size = UniataAhciSetupFIS_H2D(deviceExtension, DeviceNumber, lChannel, &(AtaReq->ahci.ahci_cmd_ptr->cfis[0]), IDE_COMMAND_ATAPI_PACKET /* command */, 0 /* lba */, (Srb->DataTransferLength >= 0x10000) ? (USHORT)(0xffff) : (USHORT)(Srb->DataTransferLength), FeatureReg/* feature */ );
if(!fis_size) { KdPrint3((PRINT_PREFIX "AtapiSendCommand: AHCI !FIS\n")); return SRB_STATUS_ERROR; }
AtaReq->ahci.io_cmd_flags = UniAtaAhciAdjustIoFlags(0, ((Srb->DataTransferLength && (Srb->SrbFlags & SRB_FLAGS_DATA_OUT)) ? ATA_AHCI_CMD_WRITE : 0) | (ATA_AHCI_CMD_ATAPI | ATA_AHCI_CMD_PREFETCH), fis_size, DeviceNumber);
KdPrint2((PRINT_PREFIX "AtapiSendCommand ahci io flags %x: \n", AtaReq->ahci.io_cmd_flags)); }
} else { if(AtaReq->Flags & REQ_FLAG_DMA_OPERATION) { // if this is queued request, reinit DMA and check // if DMA mode is still available KdPrint2((PRINT_PREFIX "AtapiSendCommand: AtapiDmaReinit() (1)\n")); AtapiDmaReinit(deviceExtension, LunExt, AtaReq); if (/*EnableDma &&*/ (LunExt->TransferMode >= ATA_DMA)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: use dma (2)\n")); use_dma = TRUE; } else { AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; KdPrint2((PRINT_PREFIX "AtapiSendCommand: no dma (2)\n")); use_dma = FALSE; } dma_reinited = TRUE; } }
if(!(CmdAction & CMD_ACTION_EXEC)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: !CMD_ACTION_EXEC => SRB_STATUS_PENDING\n")); return SRB_STATUS_PENDING; } KdPrint3((PRINT_PREFIX "AtapiSendCommand: use_dma=%d, Cmd %x\n", use_dma, Srb->Cdb[0])); if(AtaReq->Flags & REQ_FLAG_DMA_OPERATION) { KdPrint2((PRINT_PREFIX " REQ_FLAG_DMA_OPERATION\n")); }
if((Srb->Cdb[0] == SCSIOP_REQUEST_SENSE) && !(deviceExtension->HwFlags & UNIATA_SATA)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: SCSIOP_REQUEST_SENSE -> no dma setup (2)\n")); use_dma = FALSE; AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; AtapiDmaReinit(deviceExtension, LunExt, AtaReq); } if(AtaReq->TransferLength) { if(!dma_reinited) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: AtapiDmaReinit()\n")); AtapiDmaReinit(deviceExtension, LunExt, AtaReq); if (/*EnableDma &&*/ (LunExt->TransferMode >= ATA_DMA)) { use_dma = TRUE; } else { AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; use_dma = FALSE; } } } else { KdPrint2((PRINT_PREFIX "AtapiSendCommand: zero transfer\n")); use_dma = FALSE; AtaReq->Flags &= ~REQ_FLAG_DMA_OPERATION; if(!deviceExtension->opt_AtapiDmaZeroTransfer && !(deviceExtension->HwFlags & UNIATA_SATA)) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: AtapiDmaReinit() to PIO\n")); AtapiDmaReinit(deviceExtension, LunExt, AtaReq); } } KdPrint2((PRINT_PREFIX "AtapiSendCommand: use_dma=%d\n", use_dma)); if(AtaReq->Flags & REQ_FLAG_DMA_OPERATION) { KdPrint2((PRINT_PREFIX " REQ_FLAG_DMA_OPERATION\n")); }
KdPrint2((PRINT_PREFIX "AtapiSendCommand: CMD_ACTION_EXEC\n"));
KdPrint3((PRINT_PREFIX "AtapiSendCommand: Cdb %x Command %#x to TargetId %d lun %d\n", &(Srb->Cdb), Srb->Cdb[0], Srb->TargetId, Srb->Lun));
// Make sure command is to ATAPI device. flags = LunExt->DeviceFlags; if(flags & (DFLAGS_SANYO_ATAPI_CHANGER | DFLAGS_ATAPI_CHANGER)) { if((Srb->Lun) > (LunExt->DiscsPresent - 1)) {
// Indicate no device found at this address. AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_SELECTION_TIMEOUT; } } else if(Srb->Lun > 0) { AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_SELECTION_TIMEOUT; }
if(!(flags & DFLAGS_ATAPI_DEVICE)) { AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_SELECTION_TIMEOUT; }retry: // Select device 0 or 1. Or more for PM SelectDrive(chan, DeviceNumber);
// Verify that controller is ready for next command. GetStatus(chan, statusByte); KdPrint3((PRINT_PREFIX "AtapiSendCommand: Entered with status %#x\n", statusByte));
if(statusByte == IDE_STATUS_WRONG) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: bad status 0xff on entry\n")); goto make_reset; } if(statusByte & IDE_STATUS_BUSY) { if(statusByte & IDE_STATUS_DSC) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: DSC on entry (%#x), try exec\n", statusByte)); } else { KdPrint2((PRINT_PREFIX "AtapiSendCommand: Device busy (%#x) -> reset\n", statusByte)); // We have to make reset here, since we are expecting device to be available //return SRB_STATUS_BUSY; // this cause queue freeze goto make_reset; } } if(deviceExtension->HwFlags & UNIATA_AHCI) { ULONG CI; // Check if command list is free CI = UniataAhciReadChannelPort4(chan, IDX_AHCI_P_CI); if(CI) { // controller is busy, however we expect it to be free KdPrint2((PRINT_PREFIX "AtapiSendCommand: Controller busy (CI=%#x) -> reset\n", CI)); goto make_reset; } } if(statusByte & IDE_STATUS_ERROR) { if (Srb->Cdb[0] != SCSIOP_REQUEST_SENSE) {
KdPrint3((PRINT_PREFIX "AtapiSendCommand: Error on entry: (%#x)\n", statusByte)); // Read the error reg. to clear it and fail this request. AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return MapError(deviceExtension, Srb); } else { KdPrint2((PRINT_PREFIX " continue with SCSIOP_REQUEST_SENSE\n", statusByte)); } } // If a tape drive doesn't have DSC set and the last command is restrictive, don't send // the next command. See discussion of Restrictive Delayed Process commands in QIC-157. if((!(statusByte & IDE_STATUS_DSC)) && (flags & (DFLAGS_TAPE_DEVICE | DFLAGS_ATAPI_DEVICE)) && chan->RDP) {
AtapiStallExecution(200); KdPrint2((PRINT_PREFIX "AtapiSendCommand: DSC not set. %#x => SRB_STATUS_PENDING\n",statusByte)); AtaReq->ReqState = REQ_STATE_QUEUED; return SRB_STATUS_PENDING; }
if(IS_RDP(Srb->Cdb[0])) { chan->RDP = TRUE; KdPrint2((PRINT_PREFIX "AtapiSendCommand: %#x mapped as DSC restrictive\n", Srb->Cdb[0])); } else { chan->RDP = FALSE; } if(statusByte & IDE_STATUS_DRQ) {
KdPrint3((PRINT_PREFIX "AtapiSendCommand: Entered with status (%#x). Attempting to recover.\n", statusByte)); // Try to drain the data that one preliminary device thinks that it has // to transfer. Hopefully this random assertion of DRQ will not be present // in production devices. statusByte = AtapiSuckPort2(chan);/* for (i = 0; i < 0x10000; i++) { GetStatus(chan, statusByte); if(statusByte & IDE_STATUS_DRQ) { AtapiReadPort2(chan, IDX_IO1_i_Data); } else { break; } }*/ if (statusByte & IDE_STATUS_DRQ) { KdPrint3((PRINT_PREFIX "AtapiSendCommand: DRQ still asserted. Status (%#x)\n", statusByte));make_reset: AtapiDisableInterrupts(deviceExtension, lChannel);
AtapiSoftReset(chan, DeviceNumber);
KdPrint2((PRINT_PREFIX "AtapiSendCommand: Issued soft reset to Atapi device. \n")); // Re-initialize Atapi device. CheckDevice(HwDeviceExtension, GET_CHANNEL(Srb), DeviceNumber, TRUE);/* IssueIdentify(HwDeviceExtension, DeviceNumber, GET_CHANNEL(Srb), IDE_COMMAND_ATAPI_IDENTIFY, FALSE);*/ // Inform the port driver that the bus has been reset. ScsiPortNotification(ResetDetected, HwDeviceExtension, 0); // Clean up device extension fields that AtapiStartIo won't. UniataExpectChannelInterrupt(chan, FALSE); chan->RDP = FALSE; InterlockedExchange(&(deviceExtension->chan[GET_CHANNEL(Srb)].CheckIntr), CHECK_INTR_IDLE);
AtapiEnableInterrupts(deviceExtension, lChannel);/* AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_BUS_RESET;*/ if(!retried) { KdPrint3((PRINT_PREFIX "AtapiSendCommand: retry after reset.\n")); retried = TRUE; goto retry; } KdPrint3((PRINT_PREFIX "AtapiSendCommand: selection timeout.\n")); AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_SELECTION_TIMEOUT; } }
if(flags & (DFLAGS_SANYO_ATAPI_CHANGER | DFLAGS_ATAPI_CHANGER)) { // As the cdrom driver sets the LUN field in the cdb, it must be removed. Srb->Cdb[1] &= ~0xE0; if((Srb->Cdb[0] == SCSIOP_TEST_UNIT_READY) && (flags & DFLAGS_SANYO_ATAPI_CHANGER)) { // Torisan changer. TUR's are overloaded to be platter switches. Srb->Cdb[7] = Srb->Lun; } }
// SETUP DMA !!!!!
if(use_dma) { chan->ChannelCtrlFlags |= CTRFLAGS_DMA_OPERATION; } else { chan->ChannelCtrlFlags &= ~CTRFLAGS_DMA_OPERATION; }
if(deviceExtension->HwFlags & UNIATA_AHCI) { KdPrint2((PRINT_PREFIX "AtapiSendCommand: AHCI, begin transaction\n")); //AtaReq->Flags = ~REQ_FLAG_DMA_OPERATION; // keep proped DMA flag for proper RETRY handling UniataExpectChannelInterrupt(chan, TRUE); UniataAhciBeginTransaction(HwDeviceExtension, lChannel, DeviceNumber, Srb); return SRB_STATUS_PENDING; }
statusByte = WaitOnBusy(chan); KdPrint3((PRINT_PREFIX "AtapiSendCommand: Entry Status (%#x)\n", statusByte));
if(use_dma) { FeatureReg |= ATA_F_DMA; if(LunExt->IdentifyData.AtapiDMA.DMADirRequired) { if(Srb->SrbFlags & SRB_FLAGS_DATA_IN) { FeatureReg |= ATA_F_DMAREAD; } } }
// Write transfer byte count to registers. if (Srb->DataTransferLength >= 0x10000) { byteCountLow = byteCountHigh = 0xFF; } else { byteCountLow = (UCHAR)(Srb->DataTransferLength & 0xFF); byteCountHigh = (UCHAR)(Srb->DataTransferLength >> 8); }
KdPrint3((PRINT_PREFIX "AtapiSendCommand: F:%#x, CntHL:%#x:%#x.\n", FeatureReg, byteCountHigh, byteCountLow));
if (flags & DFLAGS_INT_DRQ) { // This device interrupts when ready to receive the packet. KdPrint3((PRINT_PREFIX "AtapiSendCommand: Wait for int. to send packet. Status (%#x)\n", statusByte));
UniataExpectChannelInterrupt(chan, TRUE); AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_CMD_INTR; InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); // inform driver that packet command must be sent in ISR flags |= DFLAGS_INT_DRQ; } else { // This device quickly sets DRQ when ready to receive the packet. KdPrint2((PRINT_PREFIX "AtapiSendCommand: Poll for int. to send packet. Status (%#x)\n", statusByte));
UniataExpectChannelInterrupt(chan, TRUE); AtaReq->ReqState = REQ_STATE_ATAPI_DO_NOTHING_INTR; InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE);
if(g_opt_AtapiSendDisableIntr) { AtapiDisableInterrupts(deviceExtension, lChannel); } // remember status. Later we may check if error appeared after cmd packet statusByte0 = statusByte; }
// must be already selected, experimental for ROS BUG-9119 //AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, IDE_USE_LBA | (DeviceNumber ? IDE_DRIVE_2 : IDE_DRIVE_1) ); AtapiWritePort1(chan, IDX_IO2_o_Control , 0); AtapiWritePort1(chan, IDX_ATAPI_IO1_o_Feature /*IDX_IO1_o_Feature*/, FeatureReg); //AtapiWritePort1(chan, IDX_ATAPI_IO1_o_Unused0, 0); // experimental for ROS BUG-9119 //AtapiWritePort1(chan, IDX_ATAPI_IO1_o_Unused1, 0); // experimental for ROS BUG-9119 AtapiWritePort1(chan, IDX_ATAPI_IO1_o_ByteCountLow, byteCountLow); AtapiWritePort1(chan, IDX_ATAPI_IO1_o_ByteCountHigh, byteCountHigh); // Write ATAPI packet command. AtapiWritePort1(chan, IDX_ATAPI_IO1_o_Command /*IDX_IO1_o_Command*/, IDE_COMMAND_ATAPI_PACKET);
if (flags & DFLAGS_INT_DRQ) { // Wait for interrupt and send PACKET there KdPrint3((PRINT_PREFIX "AtapiSendCommand: return SRB_STATUS_PENDING (DRQ)\n")); return SRB_STATUS_PENDING; }
WaitOnBusy(chan);/* // Wait for DRQ. statusByte = WaitForDrq(chan);
// Need to read status register and clear interrupt (if any) GetBaseStatus(chan, statusByte);
if (!(statusByte & IDE_STATUS_DRQ)) { if(g_opt_AtapiSendDisableIntr) { AtapiEnableInterrupts(deviceExtension, lChannel); } KdPrint3((PRINT_PREFIX "AtapiSendCommand: DRQ never asserted (%#x)\n", statusByte)); AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return SRB_STATUS_ERROR; }*/ GetStatus(chan, statusByte); KdPrint3((PRINT_PREFIX "AtapiSendCommand: status (%#x)\n", statusByte));
//statusByte = WaitOnBaseBusy(chan);
// Indicate expecting an interrupt and wait for it. UniataExpectChannelInterrupt(chan, TRUE);
for(i=0; i<5000; i++) { if(g_opt_AtapiSendDisableIntr) { GetStatus(chan, statusByte); } else { GetBaseStatus(chan, statusByte); } interruptReason = AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason); //KdPrint3((PRINT_PREFIX "AtapiSendCommand: iReason %x (%d)\n", interruptReason, i)); if(((interruptReason & ATAPI_IR_COD) == ATAPI_IR_COD_Cmd) && (((statusByte & (IDE_STATUS_BUSY | IDE_STATUS_DRQ)) == IDE_STATUS_DRQ))) { break; } AtapiStallExecution(g_opt_WaitDrqDelay*2);#ifdef _DEBUG// KdPrint3((PRINT_PREFIX "AtapiSendCommand: wait CoD, status (%#x)\n", interruptReason));#endif // _DEBUG } if(((interruptReason & ATAPI_IR_COD) != ATAPI_IR_COD_Cmd) || (((statusByte & (IDE_STATUS_BUSY | IDE_STATUS_DRQ)) != IDE_STATUS_DRQ)) ) { KdPrint3((PRINT_PREFIX "AtapiSendCommand: no CoD raised, abort cmd\n")); KdPrint3((PRINT_PREFIX "AtapiSendCommand: iReason %x (%d)\n", interruptReason, i)); KdPrint3((PRINT_PREFIX "AtapiSendCommand: status (%#x)\n", statusByte)); if(g_opt_AtapiSendDisableIntr) { AtapiEnableInterrupts(deviceExtension, lChannel); } KdPrint3((PRINT_PREFIX "AtapiSendCommand: DRQ+CoD never asserted\n")); statusByte = AtapiReadPort1(chan, IDX_IO1_i_Error); KdPrint3((PRINT_PREFIX "AtapiSendCommand: Err on cmd: (%#x)\n", statusByte)); if(statusByte >> 4) { GetBaseStatus(chan, statusByte); AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return MapError(deviceExtension, Srb); } goto make_reset;// AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE;// return SRB_STATUS_ERROR; } else { KdPrint3((PRINT_PREFIX "AtapiSendCommand: ready for packet, status %#x, i=%d\n", interruptReason, i)); } // clear interrupt GetBaseStatus(chan, statusByte);
if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) { AtapiDmaDBPreSync(HwDeviceExtension, chan, Srb); } if(g_opt_AtapiSendDisableIntr) { AtapiEnableInterrupts(deviceExtension, lChannel); }
// Send CDB to device. WriteBuffer(chan, (PUSHORT)Srb->Cdb, LunExt->IdentifyData.AtapiCmdSize ? 8 : 6, /*0*/ PIO0_TIMING);
GetStatus(chan, statusByte); KdPrint3((PRINT_PREFIX "AtapiSendCommand: cmd status (%#x)\n", statusByte));
// When we operate in DMA mode, we should not start transfer when there is an error on entry // Interrupt may never come in such case. if(statusByte & IDE_STATUS_ERROR) {
GetBaseStatus(chan, statusByte); KdPrint3((PRINT_PREFIX "AtapiSendCommand: Error on cmd: (%#x)\n", statusByte));
interruptReason = (AtapiReadPort1(chan, IDX_ATAPI_IO1_i_InterruptReason) & ATAPI_IR_Mask); KdPrint3((PRINT_PREFIX "AtapiSendCommand: iReason %x\n", interruptReason));
// TODO: we should check interruptReason and decide what to do now
// Read the error reg. to clear it and fail this request. AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return MapError(deviceExtension, Srb); } if(statusByte & IDE_STATUS_DRQ) { // Some devices require this. If error condition is not checked in such a way, // device may not operate correctly and would be treated as failed // (and finally invisible for OS) KdPrint3((PRINT_PREFIX "AtapiSendCommand: DRQ on cmd: (%#x)\n", statusByte)); // Read the error reg. to clear it and fail this request. statusByte = AtapiReadPort1(chan, IDX_IO1_i_Error); KdPrint3((PRINT_PREFIX "AtapiSendCommand: Err on cmd: (%#x)\n", statusByte)); if(statusByte >> 4) { GetBaseStatus(chan, statusByte); AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; return MapError(deviceExtension, Srb); } }
if(chan->ChannelCtrlFlags & CTRFLAGS_DMA_OPERATION) { AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb); }
InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); AtaReq->ReqState = REQ_STATE_ATAPI_EXPECTING_DATA_INTR;
KdPrint3((PRINT_PREFIX "AtapiSendCommand: ExpectingInterrupt (%#x)\n", chan->ExpectingInterrupt));
KdPrint2((PRINT_PREFIX "AtapiSendCommand: return SRB_STATUS_PENDING (3)\n")); return SRB_STATUS_PENDING;
} // end AtapiSendCommand()
#ifndef UNIATA_CORE
/*++
Routine Description: Program ATA registers for IDE disk transfer.
Arguments: HwDeviceExtension - ATAPI driver storage. Srb - System request block.
Return Value: SRB status (pending if all goes well).
--*/
#ifdef _DEBUGULONG check_point = 0;#define SetCheckPoint(cp) { check_point = (cp) ; }#else#define SetCheckPoint(cp)#endif
ULONGNTAPIIdeSendCommand( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN ULONG CmdAction ){ SetCheckPoint(1); KdPrint2((PRINT_PREFIX "** Ide: Command: entryway\n")); SetCheckPoint(2);
PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; SetCheckPoint(3); UCHAR lChannel; PHW_CHANNEL chan; PCDB cdb; PHW_LU_EXTENSION LunExt;
SetCheckPoint(4);
UCHAR statusByte,errorByte; ULONG status = SRB_STATUS_INVALID_REQUEST; ULONG i; ULONGLONG lba; PMODE_PARAMETER_HEADER modeData; //ULONG ldev; ULONG DeviceNumber; PATA_REQ AtaReq; UCHAR command;
SetCheckPoint(5); //ULONG __ebp__ = 0;
SetCheckPoint(0x20); KdPrint2((PRINT_PREFIX "** Ide: Command:\n\n"));/* __asm { mov eax,ebp mov __ebp__, eax }*/ /*KdPrint2((PRINT_PREFIX "** Ide: Command EBP %#x, pCdb %#x, cmd %#x\n", __ebp__, &(Srb->Cdb[0]), Srb->Cdb[0])); KdPrint2((PRINT_PREFIX "** Ide: Command %s\n", (CmdAction == CMD_ACTION_PREPARE) ? "Prep " : "")); KdPrint2((PRINT_PREFIX "** Ide: Command Srb %#x\n", Srb)); KdPrint2((PRINT_PREFIX "** Ide: Command SrbExt %#x\n", Srb->SrbExtension)); KdPrint2((PRINT_PREFIX "** Ide: Command to device %d\n", Srb->TargetId));*/
SetCheckPoint(0x30); AtaReq = (PATA_REQ)(Srb->SrbExtension);
KdPrint2((PRINT_PREFIX "** Ide: Command &AtaReq %#x\n", &AtaReq)); KdPrint2((PRINT_PREFIX "** Ide: Command AtaReq %#x\n", AtaReq)); KdPrint2((PRINT_PREFIX "** --- **\n"));
lChannel = GET_CHANNEL(Srb); chan = &(deviceExtension->chan[lChannel]); //ldev = GET_LDEV(Srb); DeviceNumber = GET_CDEV(Srb); LunExt = chan->lun[DeviceNumber];
SetCheckPoint(0x40); if(AtaReq->ReqState < REQ_STATE_PREPARE_TO_TRANSFER) AtaReq->ReqState = REQ_STATE_PREPARE_TO_TRANSFER;
cdb = (PCDB)(Srb->Cdb);
if(CmdAction == CMD_ACTION_PREPARE) { switch (Srb->Cdb[0]) { case SCSIOP_SERVICE_ACTION16: if( cdb->SERVICE_ACTION16.ServiceAction==SCSIOP_SA_READ_CAPACITY16 ) { // ok } else { goto default_no_prep; }#ifdef NAVO_TEST case SCSIOP_INQUIRY: // now it requires device access#endif //NAVO_TEST case SCSIOP_READ_CAPACITY: case SCSIOP_READ: case SCSIOP_WRITE: case SCSIOP_READ12: case SCSIOP_WRITE12: case SCSIOP_READ16: case SCSIOP_WRITE16: case SCSIOP_REQUEST_SENSE: // all right KdPrint2((PRINT_PREFIX "** Ide: Command continue prep\n")); SetCheckPoint(50); break; default:default_no_prep: SetCheckPoint(0); KdPrint2((PRINT_PREFIX "** Ide: Command break prep\n")); return SRB_STATUS_BUSY; } }
SetCheckPoint(0x100 | Srb->Cdb[0]); switch (Srb->Cdb[0]) { case SCSIOP_INQUIRY:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_INQUIRY PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); // Filter out wrong TIDs. if ((Srb->Lun != 0) || (Srb->PathId >= deviceExtension->NumberChannels) || (Srb->TargetId >= deviceExtension->NumberLuns)) {
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_INQUIRY rejected\n")); // Indicate no device found at this address. status = SRB_STATUS_SELECTION_TIMEOUT; break;
} else {
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_INQUIRY ok\n")); PINQUIRYDATA inquiryData = (PINQUIRYDATA)(Srb->DataBuffer); PIDENTIFY_DATA2 identifyData = &(LunExt->IdentifyData);
if (!(chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_DEVICE_PRESENT)) {
if(!CheckDevice(HwDeviceExtension, lChannel, DeviceNumber, FALSE)) { KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_INQUIRY rejected (2)\n")); // Indicate no device found at this address.#ifndef NAVO_TEST status = SRB_STATUS_SELECTION_TIMEOUT; break; } } else { if(!UniataAnybodyHome(HwDeviceExtension, lChannel, DeviceNumber)) { KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_INQUIRY device have gone\n")); // Indicate no device found at this address. UniataForgetDevice(chan->lun[DeviceNumber]);#endif //NAVO_TEST status = SRB_STATUS_SELECTION_TIMEOUT; break; } }
// Zero INQUIRY data structure. RtlZeroMemory((PCHAR)(Srb->DataBuffer), Srb->DataTransferLength);
// Standard IDE interface only supports disks. inquiryData->DeviceType = DIRECT_ACCESS_DEVICE;
// Set the removable bit, if applicable. if (LunExt->DeviceFlags & DFLAGS_REMOVABLE_DRIVE) { KdPrint2((PRINT_PREFIX "RemovableMedia\n")); inquiryData->RemovableMedia = 1; } // Set the Relative Addressing (LBA) bit, if applicable. if (LunExt->DeviceFlags & DFLAGS_LBA_ENABLED) { inquiryData->RelativeAddressing = 1; KdPrint2((PRINT_PREFIX "RelativeAddressing\n")); } // Set the CommandQueue bit inquiryData->CommandQueue = 1;
// Fill in vendor identification fields.#ifdef __REACTOS__ FillDeviceIdentificationString(inquiryData, identifyData);#else for (i = 0; i < 24; i += 2) { MOV_DW_SWP(inquiryData->DeviceIdentificationString[i], ((PUCHAR)identifyData->ModelNumber)[i]); }#endif/* // Initialize unused portion of product id. for (i = 0; i < 4; i++) { inquiryData->ProductId[12+i] = ' '; }*/ // Move firmware revision from IDENTIFY data to // product revision in INQUIRY data. for (i = 0; i < 4; i += 2) { MOV_DW_SWP(inquiryData->ProductRevisionLevel[i], ((PUCHAR)identifyData->FirmwareRevision)[i]); }
status = SRB_STATUS_SUCCESS; }
break;
case SCSIOP_REPORT_LUNS: {
ULONG alen; PREPORT_LUNS_INFO_HDR LunInfo;
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_REPORT_LUNS PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId));
MOV_DD_SWP(alen, cdb->REPORT_LUNS.AllocationLength);
if(alen < 16) { goto invalid_cdb; } alen = 8;
LunInfo = (PREPORT_LUNS_INFO_HDR)(Srb->DataBuffer); RtlZeroMemory(LunInfo, 16);
MOV_DD_SWP( LunInfo->ListLength, alen ); Srb->DataTransferLength = 16; status = SRB_STATUS_SUCCESS;
break; }
case SCSIOP_MODE_SENSE:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_MODE_SENSE PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId));
if(cdb->MODE_SENSE.PageCode == MODE_PAGE_POWER_CONDITION) { PMODE_POWER_CONDITION_PAGE modeData;
KdPrint2((PRINT_PREFIX "MODE_PAGE_POWER_CONDITION\n")); modeData = (PMODE_POWER_CONDITION_PAGE)(Srb->DataBuffer); if(cdb->MODE_SENSE.AllocationLength < sizeof(MODE_POWER_CONDITION_PAGE)) { status = SRB_STATUS_DATA_OVERRUN; } else { RtlZeroMemory(modeData, sizeof(MODE_POWER_CONDITION_PAGE)); modeData->PageCode = MODE_PAGE_POWER_CONDITION;#ifdef __REACTOS__ modeData->PageLength = sizeof(MODE_POWER_CONDITION_PAGE)-sizeof(MODE_PARAMETER_HEADER);#else modeData->PageLength = sizeof(MODE_PAGE_POWER_CONDITION)-sizeof(MODE_PARAMETER_HEADER);#endif modeData->Byte3.Fields.Idle = LunExt->PowerState <= StartStop_Power_Idle; modeData->Byte3.Fields.Standby = LunExt->PowerState == StartStop_Power_Standby; Srb->DataTransferLength = sizeof(MODE_POWER_CONDITION_PAGE); status = SRB_STATUS_SUCCESS; } } else if(cdb->MODE_SENSE.PageCode == MODE_PAGE_CACHING) { PMODE_CACHING_PAGE modeData;
KdPrint2((PRINT_PREFIX "MODE_PAGE_CACHING\n")); modeData = (PMODE_CACHING_PAGE)(Srb->DataBuffer); if(cdb->MODE_SENSE.AllocationLength < sizeof(MODE_CACHING_PAGE)) { status = SRB_STATUS_DATA_OVERRUN; } else { RtlZeroMemory(modeData, sizeof(MODE_CACHING_PAGE)); modeData->PageCode = MODE_PAGE_CACHING; modeData->PageLength = sizeof(MODE_CACHING_PAGE)-sizeof(MODE_PARAMETER_HEADER); modeData->ReadDisableCache = (LunExt->DeviceFlags & DFLAGS_RCACHE_ENABLED) ? 0 : 1; modeData->WriteCacheEnable = (LunExt->DeviceFlags & DFLAGS_WCACHE_ENABLED) ? 1 : 0; Srb->DataTransferLength = sizeof(MODE_CACHING_PAGE); status = SRB_STATUS_SUCCESS; } } else if (LunExt->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED) {
// This is used to determine if the media is write-protected. // Since IDE does not support mode sense then we will modify just the portion we need // so the higher level driver can determine if media is protected.
//SelectDrive(chan, DeviceNumber); //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_GET_MEDIA_STATUS); //statusByte = WaitOnBusy(chan); statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_GET_MEDIA_STATUS, 0, 0, 0, 0, 0, ATA_WAIT_READY);
if (!(statusByte & IDE_STATUS_ERROR)) {
// no error occured return success, media is not protected UniataExpectChannelInterrupt(chan, FALSE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); status = SRB_STATUS_SUCCESS;
} else {
// error occured, handle it locally, clear interrupt errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
GetBaseStatus(chan, statusByte); UniataExpectChannelInterrupt(chan, FALSE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); status = SRB_STATUS_SUCCESS;
if (errorByte & IDE_ERROR_DATA_ERROR) {
//media is write-protected, set bit in mode sense buffer modeData = (PMODE_PARAMETER_HEADER)Srb->DataBuffer;
Srb->DataTransferLength = sizeof(MODE_PARAMETER_HEADER); modeData->DeviceSpecificParameter |= MODE_DSP_WRITE_PROTECT; } } status = SRB_STATUS_SUCCESS; } else { status = SRB_STATUS_INVALID_REQUEST; } break;
case SCSIOP_TEST_UNIT_READY:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_TEST_UNIT_READY PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); if (chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED) {
// Select device 0 or 1. //SelectDrive(chan, DeviceNumber); //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_GET_MEDIA_STATUS); // Wait for busy. If media has not changed, return success //statusByte = WaitOnBusy(chan); statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_GET_MEDIA_STATUS, 0, 0, 0, 0, 0, ATA_WAIT_READY);
if (!(statusByte & IDE_STATUS_ERROR)){ UniataExpectChannelInterrupt(chan, FALSE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); status = SRB_STATUS_SUCCESS; } else { errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error); if (errorByte == IDE_ERROR_DATA_ERROR){
// Special case: If current media is write-protected, // the 0xDA command will always fail since the write-protect bit // is sticky,so we can ignore this error GetBaseStatus(chan, statusByte); UniataExpectChannelInterrupt(chan, FALSE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); status = SRB_STATUS_SUCCESS;
} else {
// Request sense buffer to be build UniataExpectChannelInterrupt(chan, TRUE); InterlockedExchange(&(chan->CheckIntr), CHECK_INTR_IDLE); status = SRB_STATUS_PENDING; } } } else { status = SRB_STATUS_SUCCESS; }
break;
case SCSIOP_READ_CAPACITY:
KdPrint2((PRINT_PREFIX "** IdeSendCommand: SCSIOP_READ_CAPACITY PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); // Claim 512 byte blocks (big-endian). //((PREAD_CAPACITY_DATA)Srb->DataBuffer)->BytesPerBlock = 0x20000; i = DEV_BSIZE; RtlZeroMemory(Srb->DataBuffer, sizeof(READ_CAPACITY_DATA)); MOV_DD_SWP( ((PREAD_CAPACITY_DATA)Srb->DataBuffer)->BytesPerBlock, i );
// Calculate last sector. if(!(i = (ULONG)LunExt->NumOfSectors)) { i = LunExt->IdentifyData.SectorsPerTrack * LunExt->IdentifyData.NumberOfHeads * LunExt->IdentifyData.NumberOfCylinders; } i--;
//((PREAD_CAPACITY_DATA)Srb->DataBuffer)->LogicalBlockAddress = // (((PUCHAR)&i)[0] << 24) | (((PUCHAR)&i)[1] << 16) | // (((PUCHAR)&i)[2] << 8) | ((PUCHAR)&i)[3];
MOV_DD_SWP( ((PREAD_CAPACITY_DATA)Srb->DataBuffer)->LogicalBlockAddress, i );
KdPrint2((PRINT_PREFIX "** IDE disk %#x - #sectors %#x, #heads %#x, #cylinders %#x\n", Srb->TargetId, LunExt->IdentifyData.SectorsPerTrack, LunExt->IdentifyData.NumberOfHeads, LunExt->IdentifyData.NumberOfCylinders));
status = SRB_STATUS_SUCCESS; break;
case SCSIOP_SERVICE_ACTION16:
if( cdb->SERVICE_ACTION16.ServiceAction==SCSIOP_SA_READ_CAPACITY16 ) { KdPrint2((PRINT_PREFIX "** IdeSendCommand: SCSIOP_READ_CAPACITY PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); // Claim 512 byte blocks (big-endian). //((PREAD_CAPACITY_DATA)Srb->DataBuffer)->BytesPerBlock = 0x20000; i = DEV_BSIZE; RtlZeroMemory(Srb->DataBuffer, sizeof(READ_CAPACITY16_DATA)); MOV_DD_SWP( ((PREAD_CAPACITY16_DATA)Srb->DataBuffer)->BytesPerBlock, i );
// Calculate last sector. if(!(lba = LunExt->NumOfSectors)) { lba = LunExt->IdentifyData.SectorsPerTrack * LunExt->IdentifyData.NumberOfHeads * LunExt->IdentifyData.NumberOfCylinders; } lba--; MOV_QD_SWP( ((PREAD_CAPACITY16_DATA)Srb->DataBuffer)->LogicalBlockAddress, lba );
KdPrint2((PRINT_PREFIX "** IDE disk %#x - #sectors %#x, #heads %#x, #cylinders %#x (16)\n", Srb->TargetId, LunExt->IdentifyData.SectorsPerTrack, LunExt->IdentifyData.NumberOfHeads, LunExt->IdentifyData.NumberOfCylinders));
status = SRB_STATUS_SUCCESS; } else { goto default_abort; } break;
case SCSIOP_VERIFY: case SCSIOP_VERIFY12: case SCSIOP_VERIFY16:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_VERIFY PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); status = IdeVerify(HwDeviceExtension,Srb);
break;
case SCSIOP_READ: case SCSIOP_WRITE: case SCSIOP_READ12: case SCSIOP_WRITE12: case SCSIOP_READ16: case SCSIOP_WRITE16:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_%s PATH:LUN:TID = %#x:%#x:%#x\n", (Srb->Cdb[0] == SCSIOP_WRITE) ? "WRITE" : "READ", Srb->PathId, Srb->Lun, Srb->TargetId)); AtaReq->Flags &= ~REQ_FLAG_RW_MASK; AtaReq->Flags |= (Srb->Cdb[0] == SCSIOP_WRITE || Srb->Cdb[0] == SCSIOP_WRITE12 || Srb->Cdb[0] == SCSIOP_WRITE16) ? REQ_FLAG_WRITE : REQ_FLAG_READ; status = IdeReadWrite(HwDeviceExtension, Srb, CmdAction); break;
case SCSIOP_START_STOP_UNIT:
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_START_STOP_UNIT immed %d PATH:LUN:TID = %#x:%#x:%#x\n", cdb->START_STOP.Immediate, Srb->PathId, Srb->Lun, Srb->TargetId)); //Determine what type of operation we should perform
command = 0;
if(cdb->START_STOP.FL || cdb->START_STOP.FormatLayerNumber || cdb->START_STOP.Reserved2 || cdb->START_STOP.Reserved2_2 || cdb->START_STOP.Reserved3 || FALSE) { goto invalid_cdb; }
if (cdb->START_STOP.PowerConditions) { KdPrint2((PRINT_PREFIX "START_STOP Power %d\n", cdb->START_STOP.PowerConditions)); switch(cdb->START_STOP.PowerConditions) { case StartStop_Power_Idle: command = IDE_COMMAND_IDLE_IMMED; break; case StartStop_Power_Standby: command = IDE_COMMAND_STANDBY_IMMED; break; case StartStop_Power_Sleep: // TODO: we should save power state in order to know // that RESET sould be issued to revert device into // operable state
command = IDE_COMMAND_SLEEP; break; default: goto invalid_cdb; } LunExt->PowerState = cdb->START_STOP.PowerConditions; } else if (cdb->START_STOP.LoadEject == 1) { KdPrint2((PRINT_PREFIX "START_STOP eject\n")); // Eject media, // first select device 0 or 1. //SelectDrive(chan, DeviceNumber); //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_MEDIA_EJECT); command = IDE_COMMAND_MEDIA_EJECT; } else if (cdb->START_STOP.Start == 0) { KdPrint2((PRINT_PREFIX "START_STOP standby\n")); command = IDE_COMMAND_STANDBY_IMMED; } else { // TODO: we may need to perform hard reset (after sleep) or // issue IDE_COMMAND_IDLE_IMMED in order to activate device KdPrint2((PRINT_PREFIX "START_STOP activate\n"));
if(LunExt->PowerState == StartStop_Power_Sleep) { UniataUserDeviceReset(deviceExtension, LunExt, lChannel); status = SRB_STATUS_SUCCESS; break; } else if(LunExt->PowerState > StartStop_Power_Idle) { KdPrint2((PRINT_PREFIX " issue IDLE\n")); command = IDE_COMMAND_IDLE_IMMED; } else { KdPrint2((PRINT_PREFIX " do nothing\n")); status = SRB_STATUS_SUCCESS; break; } } if(command) { statusByte = WaitOnBaseBusy(chan); statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, command, 0, 0, 0, 0, 0, cdb->START_STOP.Immediate ? ATA_IMMEDIATE : ATA_WAIT_READY); status = (statusByte & IDE_STATUS_ERROR) ? SRB_STATUS_ERROR : SRB_STATUS_SUCCESS; //UniataExpectChannelInterrupt(chan, TRUE); // device may interrupt
} else {invalid_cdb: KdPrint2((PRINT_PREFIX "START_STOP invalid\n")); if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_ILLEGAL_REQUEST; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_INVALID_CDB; senseBuffer->AdditionalSenseCodeQualifier = 0;
Srb->SrbStatus = SRB_STATUS_AUTOSENSE_VALID; Srb->ScsiStatus = SCSISTAT_CHECK_CONDITION; } status = SRB_STATUS_ERROR; } break;
case SCSIOP_MEDIUM_REMOVAL:
cdb = (PCDB)Srb->Cdb;
if(LunExt->IdentifyData.Removable) { statusByte = WaitOnBaseBusy(chan);
//SelectDrive(chan, DeviceNumber); if (cdb->MEDIA_REMOVAL.Prevent == TRUE) { //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_DOOR_LOCK); statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_DOOR_LOCK, 0, 0, 0, 0, 0, ATA_IMMEDIATE); } else { //AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_DOOR_UNLOCK); statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_DOOR_UNLOCK, 0, 0, 0, 0, 0, ATA_IMMEDIATE); } status = SRB_STATUS_SUCCESS; } else { status = SRB_STATUS_INVALID_REQUEST; } break;
#if 0 // Note: I don't implement this, because NTFS driver too often issues this command // It causes awful performance degrade. However, if somebody wants, I will implement // SCSIOP_FLUSH_BUFFER/SCSIOP_SYNCHRONIZE_CACHE optionally. case SCSIOP_FLUSH_BUFFER: case SCSIOP_SYNCHRONIZE_CACHE:
SelectDrive(chan, DeviceNumber); AtapiWritePort1(chan, IDX_IO1_o_Command,IDE_COMMAND_FLUSH_CACHE); status = SRB_STATUS_SUCCESS;// status = SRB_STATUS_PENDING; statusByte = WaitOnBusy(chan); break;#endif
case SCSIOP_REQUEST_SENSE: // this function makes sense buffers to report the results // of the original GET_MEDIA_STATUS command
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_REQUEST_SENSE PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId)); if (LunExt->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED) { status = IdeBuildSenseBuffer(HwDeviceExtension,Srb); break; } status = SRB_STATUS_INVALID_REQUEST; break;
// ATA_PASSTHORUGH case SCSIOP_ATA_PASSTHROUGH: { PIDEREGS_EX regs; BOOLEAN use_dma = FALSE; ULONG to_lim;
regs = (PIDEREGS_EX) &(Srb->Cdb[2]);
if(chan->DeviceExtension->HwFlags & UNIATA_SATA) { //lChannel = Srb->TargetId >> 1; } else { DeviceNumber = max(DeviceNumber, 1); regs->bDriveHeadReg &= 0x0f; regs->bDriveHeadReg |= (UCHAR) (((DeviceNumber & 0x1) << 4) | 0xA0); }
if((regs->bOpFlags & 1) == 0) { // execute ATA command
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_ATA_PASSTHROUGH (exec) PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId));
if((regs->bOpFlags & UNIATA_SPTI_EX_SPEC_TO) == UNIATA_SPTI_EX_SPEC_TO) { to_lim = Srb->TimeOutValue; } else { if(Srb->TimeOutValue <= 2) { to_lim = Srb->TimeOutValue*900; } else { to_lim = (Srb->TimeOutValue*999) - 500; } }
AtapiDisableInterrupts(deviceExtension, lChannel);
if(chan->DeviceExtension->HwFlags & UNIATA_AHCI) { // AHCI statusByte = UniataAhciSendPIOCommandDirect( deviceExtension, lChannel, DeviceNumber, Srb, regs, ATA_WAIT_INTR, to_lim ); if(statusByte == IDE_STATUS_WRONG) { goto passthrough_err; } if(statusByte & (IDE_STATUS_BUSY | IDE_STATUS_ERROR)) { UniataAhciAbortOperation(chan); goto passthrough_err; } goto passthrough_done; }
// SATA/PATA if((AtaCommandFlags[regs->bCommandReg] & ATA_CMD_FLAG_DMA) || (regs->bOpFlags & UNIATA_SPTI_EX_USE_DMA)) { if((chan->lun[DeviceNumber]->LimitedTransferMode >= ATA_DMA)) { use_dma = TRUE; // this will set REQ_FLAG_DMA_OPERATION in AtaReq->Flags on success if(!AtapiDmaSetup(HwDeviceExtension, DeviceNumber, lChannel, Srb, (PUCHAR)(Srb->DataBuffer), ((Srb->DataTransferLength + DEV_BSIZE-1) & ~(DEV_BSIZE-1)))) { use_dma = FALSE; } } }
AtapiWritePort1(chan, IDX_IO1_o_DriveSelect, regs->bDriveHeadReg); AtapiStallExecution(10); if(use_dma) { AtapiDmaDBPreSync(HwDeviceExtension, chan, Srb); }
if((regs->bOpFlags & ATA_FLAGS_48BIT_COMMAND) == 0) { // execute ATA command AtapiWritePort1(chan, IDX_IO1_o_Feature, regs->bFeaturesReg); AtapiWritePort1(chan, IDX_IO1_o_BlockCount, regs->bSectorCountReg); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, regs->bSectorNumberReg); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, regs->bCylLowReg); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, regs->bCylHighReg); } else { AtapiWritePort1(chan, IDX_IO1_o_Feature, regs->bFeaturesRegH); AtapiWritePort1(chan, IDX_IO1_o_Feature, regs->bFeaturesReg); AtapiWritePort1(chan, IDX_IO1_o_BlockCount, regs->bSectorCountRegH); AtapiWritePort1(chan, IDX_IO1_o_BlockCount, regs->bSectorCountReg); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, regs->bSectorNumberRegH); AtapiWritePort1(chan, IDX_IO1_o_BlockNumber, regs->bSectorNumberReg); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, regs->bCylLowRegH); AtapiWritePort1(chan, IDX_IO1_o_CylinderLow, regs->bCylLowReg); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, regs->bCylHighRegH); AtapiWritePort1(chan, IDX_IO1_o_CylinderHigh, regs->bCylHighReg); } AtapiWritePort1(chan, IDX_IO1_o_Command, regs->bCommandReg);
if(use_dma) { GetBaseStatus(chan, statusByte); if(statusByte & IDE_STATUS_ERROR) { goto passthrough_err; } AtapiDmaStart(HwDeviceExtension, DeviceNumber, lChannel, Srb); }
ScsiPortStallExecution(1); // wait for busy to be set
for(i=0; i<to_lim;i+=2) { // 2 msec from WaitOnBaseBusy() statusByte = WaitOnBaseBusy(chan); // wait for busy to be clear, up to 2 msec GetBaseStatus(chan, statusByte); if(statusByte & IDE_STATUS_ERROR) { break; } if(!(statusByte & IDE_STATUS_BUSY)) { break; } } if(i >= to_lim) { //if(regs->bOpFlags & UNIATA_SPTI_EX_FREEZE_TO) { //} AtapiResetController__(HwDeviceExtension, lChannel, RESET_COMPLETE_NONE); goto passthrough_err; }
if(use_dma) { AtapiCheckInterrupt__(deviceExtension, (UCHAR)lChannel); } AtapiDmaDone(deviceExtension, DeviceNumber, lChannel, NULL); GetBaseStatus(chan, statusByte);
if(statusByte & (IDE_STATUS_BUSY | IDE_STATUS_ERROR)) { AtapiSuckPort2(chan);passthrough_err: if (Srb->SenseInfoBuffer) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_ABORTED_COMMAND; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
Srb->SrbStatus = SRB_STATUS_AUTOSENSE_VALID; Srb->ScsiStatus = SCSISTAT_CHECK_CONDITION; } status = SRB_STATUS_ERROR; } else {
if(!use_dma) { if (statusByte & IDE_STATUS_DRQ) { if (Srb->SrbFlags & SRB_FLAGS_DATA_IN) { ReadBuffer(chan, (PUSHORT) Srb->DataBuffer, Srb->DataTransferLength / 2, 0); } else if (Srb->SrbFlags & SRB_FLAGS_DATA_OUT) { WriteBuffer(chan, (PUSHORT) Srb->DataBuffer, Srb->DataTransferLength / 2, 0); } } } status = SRB_STATUS_SUCCESS; }passthrough_done:; AtapiEnableInterrupts(deviceExtension, lChannel);
} else { // read task register
BOOLEAN use48; regs = (PIDEREGS_EX) Srb->DataBuffer;
KdPrint2((PRINT_PREFIX "IdeSendCommand: SCSIOP_ATA_PASSTHROUGH (snap) PATH:LUN:TID = %#x:%#x:%#x\n", Srb->PathId, Srb->Lun, Srb->TargetId));
if((Srb->DataTransferLength >= sizeof(IDEREGS_EX)) && (regs->bOpFlags & ATA_FLAGS_48BIT_COMMAND)) { use48 = TRUE; } else if(Srb->DataTransferLength >= sizeof(IDEREGS)) { use48 = FALSE; } else { KdPrint2((PRINT_PREFIX " buffer too small \n")); status = SRB_STATUS_DATA_OVERRUN; break; } RtlZeroMemory(regs, use48 ? sizeof(IDEREGS_EX) : sizeof(IDEREGS)); regs->bOpFlags = use48 ? ATA_FLAGS_48BIT_COMMAND : 0; UniataSnapAtaRegs(chan, 0, regs);
status = SRB_STATUS_SUCCESS; } break; }
default:default_abort: KdPrint2((PRINT_PREFIX "IdeSendCommand: Unsupported command %#x\n", Srb->Cdb[0]));
status = SRB_STATUS_INVALID_REQUEST;
} // end switch
if(status == SRB_STATUS_PENDING) { KdPrint2((PRINT_PREFIX "IdeSendCommand: SRB_STATUS_PENDING\n")); if(CmdAction & CMD_ACTION_EXEC) { KdPrint2((PRINT_PREFIX "IdeSendCommand: REQ_STATE_EXPECTING_INTR\n")); AtaReq->ReqState = REQ_STATE_EXPECTING_INTR; } } else { KdPrint2((PRINT_PREFIX "IdeSendCommand: REQ_STATE_TRANSFER_COMPLETE\n")); AtaReq->ReqState = REQ_STATE_TRANSFER_COMPLETE; }
return status;
} // end IdeSendCommand()
/*++
Routine Description: Enables disables media status notification
Arguments: HwDeviceExtension - ATAPI driver storage.
--*/VOIDNTAPIIdeMediaStatus( BOOLEAN EnableMSN, IN PVOID HwDeviceExtension, IN ULONG lChannel, IN ULONG DeviceNumber ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PHW_CHANNEL chan; UCHAR statusByte,errorByte;
chan = &(deviceExtension->chan[lChannel]); SelectDrive(chan, DeviceNumber);
if (EnableMSN == TRUE){
// If supported enable Media Status Notification support if ((chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_REMOVABLE_DRIVE)) {
// enable statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_ENAB_MEDIASTAT, ATA_WAIT_BASE_READY);
if (statusByte & IDE_STATUS_ERROR) { // Read the error register. errorByte = AtapiReadPort1(chan, IDX_IO1_i_Error);
KdPrint2((PRINT_PREFIX "IdeMediaStatus: Error enabling media status. Status %#x, error byte %#x\n", statusByte, errorByte)); } else { chan->lun[DeviceNumber]->DeviceFlags |= DFLAGS_MEDIA_STATUS_ENABLED; KdPrint2((PRINT_PREFIX "IdeMediaStatus: Media Status Notification Supported\n")); chan->ReturningMediaStatus = 0;
}
} } else { // end if EnableMSN == TRUE
// disable if previously enabled if ((chan->lun[DeviceNumber]->DeviceFlags & DFLAGS_MEDIA_STATUS_ENABLED)) {
statusByte = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_MEDIASTAT, ATA_WAIT_BASE_READY); chan->lun[DeviceNumber]->DeviceFlags &= ~DFLAGS_MEDIA_STATUS_ENABLED; }
}
} // end IdeMediaStatus()
/*++
Routine Description:
Builts an artificial sense buffer to report the results of a GET_MEDIA_STATUS command. This function is invoked to satisfy the SCSIOP_REQUEST_SENSE.Arguments:
HwDeviceExtension - ATAPI driver storage. Srb - System request block.
Return Value:
SRB status (ALWAYS SUCCESS).
--*/ULONGNTAPIIdeBuildSenseBuffer( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension;// ULONG status; PSENSE_DATA senseBuffer = (PSENSE_DATA)Srb->DataBuffer; UCHAR ReturningMediaStatus = deviceExtension->chan[GET_CHANNEL(Srb)].ReturningMediaStatus;
if (senseBuffer){
if(ReturningMediaStatus & IDE_ERROR_MEDIA_CHANGE) {
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_MEDIUM_CHANGED; senseBuffer->AdditionalSenseCodeQualifier = 0; } else if(ReturningMediaStatus & IDE_ERROR_MEDIA_CHANGE_REQ) {
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_UNIT_ATTENTION; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_MEDIUM_CHANGED; senseBuffer->AdditionalSenseCodeQualifier = 0; } else if(ReturningMediaStatus & IDE_ERROR_END_OF_MEDIA) {
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_NOT_READY; senseBuffer->AdditionalSenseCode = SCSI_ADSENSE_NO_MEDIA_IN_DEVICE; senseBuffer->AdditionalSenseCodeQualifier = 0; } else if(ReturningMediaStatus & IDE_ERROR_DATA_ERROR) {
senseBuffer->ErrorCode = 0x70; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_DATA_PROTECT; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0; } return SRB_STATUS_SUCCESS; } return SRB_STATUS_ERROR;
}// End of IdeBuildSenseBuffer
VOIDNTAPIUniataUserDeviceReset( PHW_DEVICE_EXTENSION deviceExtension, PHW_LU_EXTENSION LunExt, ULONG lChannel ){ ULONG i; AtapiDisableInterrupts(deviceExtension, lChannel); if ((LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) && (LunExt->PowerState != StartStop_Power_Sleep)) { KdPrint2((PRINT_PREFIX "UniataUserDeviceReset: Reset ATAPI\n")); AtapiSoftReset(&(deviceExtension->chan[lChannel]), LunExt->Lun); } else { KdPrint2((PRINT_PREFIX "UniataUserDeviceReset: Reset IDE -> reset entire channel\n")); AtapiResetController__(deviceExtension, lChannel, RESET_COMPLETE_NONE); for(i=0; i<deviceExtension->NumberLuns; i++) { deviceExtension->chan[lChannel].lun[i]->DeviceFlags |= DFLAGS_REINIT_DMA; } } LunExt->DeviceFlags |= DFLAGS_REINIT_DMA; // force PIO/DMA reinit AtapiEnableInterrupts(deviceExtension, lChannel); return;} // end UniataUserDeviceReset()
BOOLEANNTAPIUniataNeedQueueing( PHW_DEVICE_EXTENSION deviceExtension, PHW_CHANNEL chan, BOOLEAN TopLevel ){ BOOLEAN PostReq = FALSE; if(TopLevel) { KdPrint3((PRINT_PREFIX "UniataNeedQueueing: TopLevel, qd=%x\n", chan->queue_depth)); if(chan->queue_depth > 0) {#if 0 if(atapiDev && ((Srb->Cdb[0] == SCSIOP_TEST_UNIT_READY)/* || (Srb->Cdb[0] == SCSIOP_REQUEST_SENSE)*/) ) { KdPrint2((PRINT_PREFIX "spec: SCSIOP_TEST_UNIT_READY\n")); //PostReq = FALSE; status = SRB_STATUS_BUSY; goto skip_exec; } else { PostReq = TRUE; }#else PostReq = TRUE;#endif } else if(deviceExtension->simplexOnly && deviceExtension->queue_depth > 0) { PostReq = TRUE; } } else { KdPrint3((PRINT_PREFIX "UniataNeedQueueing: qd=%x\n", chan->queue_depth)); } return PostReq;} // end UniataNeedQueueing()
/*++
Routine Description:
This routine is called from the SCSI port driver synchronized with the kernel to start an IO request. ->HwStartIo
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage Srb - IO request packet
Return Value:
TRUE
--*/BOOLEANNTAPIAtapiStartIo( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ return AtapiStartIo__(HwDeviceExtension, Srb, TRUE);} // end AtapiStartIo()
BOOLEANNTAPIAtapiStartIo__( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb, IN BOOLEAN TopLevel ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; UCHAR lChannel; PHW_CHANNEL chan; PHW_LU_EXTENSION LunExt; ULONG status; //ULONG ldev; ULONG DeviceNumber; UCHAR PathId; UCHAR TargetId; UCHAR Lun; PATA_REQ AtaReq; PSCSI_REQUEST_BLOCK tmpSrb; BOOLEAN PostReq = FALSE; BOOLEAN atapiDev; BOOLEAN commPort = FALSE;
// deviceExtension->Isr2DevObj must always be NULL for non-PCI if(deviceExtension->Isr2DevObj && !BMList[deviceExtension->DevIndex].Isr2Enable) { KdPrint2((PRINT_PREFIX "Isr2Enable -> 1\n")); BMList[deviceExtension->DevIndex].Isr2Enable = TRUE; }// deviceExtension->QueueNewIrql = max(deviceExtension->QueueNewIrql, KeGetCurrentIrql());
/* KeBugCheckEx(0xc000000e, (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun), Srb->Function, TopLevel, 0x80000001);*/ if(TopLevel && Srb && Srb->SrbExtension) { KdPrint2((PRINT_PREFIX "TopLevel\n")); //RtlZeroMemory(Srb->SrbExtension, sizeof(ATA_REQ)); UniAtaClearAtaReq(Srb->SrbExtension); }
do { // fetch all queued commands for the channel (if valid)
lChannel = GET_CHANNEL(Srb); //ldev = GET_LDEV(Srb); chan = NULL; LunExt = NULL; DeviceNumber = GET_CDEV(Srb); commPort = FALSE;
//ASSERT(deviceExtension); //ASSERT(chan);
KdPrint2((PRINT_PREFIX "** AtapiStartIo: Function %#x, PATH:LUN:TID = %#x:%#x:%#x\n", Srb->Function, Srb->PathId, Srb->Lun, Srb->TargetId)); KdPrint2((PRINT_PREFIX " DeviceID+VendorID/Rev %#x/%#x\n", deviceExtension->DevID, deviceExtension->RevID));
if(lChannel == deviceExtension->NumberChannels && !Srb->Lun && !Srb->TargetId && ((Srb->Function == SRB_FUNCTION_IO_CONTROL) || (Srb->Function == SRB_FUNCTION_EXECUTE_SCSI && Srb->Cdb[0] == SCSIOP_INQUIRY)) ) { // This is our virtual device KdPrint2((PRINT_PREFIX "AtapiStartIo: Communication port\n")); if(Srb->Function == SRB_FUNCTION_EXECUTE_SCSI) {
if(Srb->DataTransferLength < sizeof(PINQUIRYDATA)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: Buffer too small: %#x < %#x\n", Srb->DataTransferLength, sizeof(PINQUIRYDATA) ));wrong_buffer_size: status = SRB_STATUS_DATA_OVERRUN; goto complete_req; }
PINQUIRYDATA inquiryData = (PINQUIRYDATA)(Srb->DataBuffer);
KdPrint2((PRINT_PREFIX " INQUIRY\n")); // Zero INQUIRY data structure. RtlZeroMemory((PCHAR)(Srb->DataBuffer), Srb->DataTransferLength);
inquiryData->DeviceType = COMMUNICATION_DEVICE;
// Fill in vendor identification fields. RtlCopyMemory(&inquiryData->VendorId, &uniata_comm_name, 28);
status = SRB_STATUS_SUCCESS; goto complete_req; } commPort = TRUE; /* Pass IOCTL request down */ } else if(lChannel >= deviceExtension->NumberChannels || Srb->TargetId /*DeviceNumber*/ >= deviceExtension->NumberLuns || Srb->Lun) {
if(lChannel >= deviceExtension->NumberChannels) { chan = NULL; }
reject_srb: //if(!CheckDevice(HwDeviceExtension, lChannel, DeviceNumber, FALSE)) { KdPrint3((PRINT_PREFIX "AtapiStartIo: SRB rejected\n")); // Indicate no device found at this address. KdPrint2((PRINT_PREFIX "SRB_STATUS_SELECTION_TIMEOUT\n")); status = SRB_STATUS_SELECTION_TIMEOUT; goto complete_req; //} } else if((deviceExtension->HwFlags & UNIATA_AHCI) && !UniataAhciChanImplemented(deviceExtension, lChannel)) { chan = NULL; }
if(!commPort) { chan = &(deviceExtension->chan[lChannel]); LunExt = chan->lun[DeviceNumber]; if(!LunExt) { goto reject_srb; } atapiDev = (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) ? TRUE : FALSE; } else { atapiDev = FALSE; }
#ifdef _DEBUG if(!commPort && !LunExt) {#if 0 PrintNtConsole("de = %#x, chan = %#x , dev %#x, nchan %#x\n", deviceExtension, chan, DeviceNumber, deviceExtension->NumberChannels); PrintNtConsole("lchan = %#x, cdev %#x, lun0 %#x\n", lChannel, GET_CDEV(Srb), deviceExtension->chan[0].lun[0]); PrintNtConsole("Function %#x, PATH:LUN:TID = %#x:%#x:%#x\n", Srb->Function, Srb->PathId, Srb->Lun, Srb->TargetId);#endif //0/* int i; for(i=0; i<1000; i++) { AtapiStallExecution(3*1000); }*/ goto reject_srb; }#endif //_DEBUG
// Determine which function. switch (Srb->Function) {
case SRB_FUNCTION_EXECUTE_SCSI:
if(!LunExt || !(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { if(Srb->Cdb[0] == SCSIOP_ATA_PASSTHROUGH) { // let passthrough go } else if(Srb->Cdb[0] == SCSIOP_INQUIRY) { // let INQUIRY go } else {
//if(!CheckDevice(HwDeviceExtension, lChannel, DeviceNumber, FALSE)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: EXECUTE_SCSI rejected (2)\n")); // Indicate no device found at this address. KdPrint2((PRINT_PREFIX "SRB_STATUS_SELECTION_TIMEOUT\n")); status = SRB_STATUS_SELECTION_TIMEOUT; break; //} } } else { KdPrint2((PRINT_PREFIX " SRB %#x, CDB %#x, AtaReq %#x, SCmd %#x\n", Srb, &(Srb->Cdb), Srb->SrbExtension, Srb->Cdb[0])); }/* __try { if(Srb->DataTransferLength) { UCHAR a; a = ((PUCHAR)(Srb->DataBuffer))[0]; g_foo += a; } } __except(EXCEPTION_EXECUTE_HANDLER) { KdPrint3((PRINT_PREFIX "AtapiStartIo: Bad data buffer -> EXECUTE_SCSI rejected\n")); // Indicate no device found at this address. KdPrint3((PRINT_PREFIX "SRB_STATUS_ERROR\n")); status = SRB_STATUS_ERROR; KdPrint2((PRINT_PREFIX " *** Exception...\n")); ASSERT(FALSE); break; }*/ PostReq = UniataNeedQueueing(deviceExtension, chan, TopLevel);
if(PostReq) {
KdPrint3((PRINT_PREFIX "Non-empty queue\n")); if (atapiDev && (Srb->Cdb[0] != SCSIOP_ATA_PASSTHROUGH)) { KdPrint3((PRINT_PREFIX "Try ATAPI prepare\n"));
status = AtapiSendCommand(HwDeviceExtension, Srb, CMD_ACTION_PREPARE); } else { KdPrint2((PRINT_PREFIX "Try IDE prepare\n")); status = IdeSendCommand(HwDeviceExtension, Srb, CMD_ACTION_PREPARE); } /*KeBugCheckEx(0xc000000e, (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun), Srb->Function, status, 0x80000001);*/ if(status == SRB_STATUS_BUSY) status = SRB_STATUS_PENDING; // Insert requests AFTER they have been initialized on // CMD_ACTION_PREPARE stage // we should not check TopLevel here (it is always TRUE) //ASSERT(chan->lun[GET_CDEV(Srb)]); UniataQueueRequest(chan, Srb);
KdPrint2((PRINT_PREFIX "AtapiStartIo: Already have %d request(s)!\n", chan->queue_depth));
} else {
// Send command to device. KdPrint2((PRINT_PREFIX "Send to device %x\n", Srb->Cdb[0])); if(TopLevel) { KdPrint2((PRINT_PREFIX "TopLevel (2), srb %#x\n", Srb)); AtaReq = (PATA_REQ)(Srb->SrbExtension); KdPrint2((PRINT_PREFIX "TopLevel (3), AtaReq %#x\n", AtaReq)); //ASSERT(!AtaReq->Flags); //ASSERT(chan->lun[GET_CDEV(Srb)]); UniataQueueRequest(chan, Srb);// AtaReq = (PATA_REQ)(Srb->SrbExtension); //ASSERT(!AtaReq->Flags); AtaReq->ReqState = REQ_STATE_QUEUED; //ASSERT(!AtaReq->Flags); }
#ifndef NAVO_TEST if(!LunExt || !(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { if(!LunExt) { goto reject_srb; } if(Srb->Cdb[0] == SCSIOP_INQUIRY) { if(UniataAnybodyHome(deviceExtension, chan->lChannel, DeviceNumber)) { if(!CheckDevice(HwDeviceExtension, chan->lChannel, DeviceNumber, TRUE)) { goto reject_srb; } } if(!(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { goto reject_srb; } } else if(Srb->Cdb[0] == SCSIOP_ATA_PASSTHROUGH) { // allow } else { goto reject_srb; } }#endif //NAVO_TEST
if(atapiDev && (Srb->Cdb[0] != SCSIOP_ATA_PASSTHROUGH)/* && (Srb->Cdb[0] != SCSIOP_REPORT_LUNS)*/) { KdPrint3((PRINT_PREFIX "Try ATAPI send %x\n", Srb->Cdb[0]));#ifdef __REACTOS__ status = SRB_STATUS_BUSY;
if (Srb->Cdb[0] == SCSIOP_INQUIRY && (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) && (LunExt->IdentifyData.DeviceType == ATAPI_TYPE_CDROM || LunExt->IdentifyData.DeviceType == ATAPI_TYPE_OPTICAL) && LunExt->IdentifyData.ModelNumber[0]) { ULONG j; CCHAR vendorId[26];
// Attempt to identify known broken CD/DVD drives for (j = 0; j < sizeof(vendorId); j += 2) { // Build a buffer based on the identify data. MOV_DW_SWP(vendorId[j], ((PUCHAR)LunExt->IdentifyData.ModelNumber)[j]); }
// Emulate INQUIRY support for broken CD/DVD drives (e.g. Microsoft Xbox). // Currently we implement it by explicitly checking the drive name from ATA IDENTIFY PACKET. if (!AtapiStringCmp(vendorId, "THOMSON-DVD", 11) || !AtapiStringCmp(vendorId, "PHILIPS XBOX DVD DRIVE", 22) || !AtapiStringCmp(vendorId, "PHILIPS J5 3235C", 16) || !AtapiStringCmp(vendorId, "SAMSUNG DVD-ROM SDG-605B", 24)) { // TODO: // Better send INQUIRY and then check for chan->ReturningMediaStatus >> 4 == SCSI_SENSE_ILLEGAL_REQUEST // in AtapiInterrupt__() and emulate the response only in this case.
// If this hack stays for long enough, consider adding Xbox 360 drive names to the condition, // as they are affected by the same problem.
// See https://jira.reactos.org/browse/CORE-16692 ULONG i; PINQUIRYDATA inquiryData = (PINQUIRYDATA)(Srb->DataBuffer); PIDENTIFY_DATA2 identifyData = &(LunExt->IdentifyData);
// Zero INQUIRY data structure. RtlZeroMemory((PCHAR)(Srb->DataBuffer), Srb->DataTransferLength);
// This is ATAPI CD- or DVD-ROM. inquiryData->DeviceType = READ_ONLY_DIRECT_ACCESS_DEVICE;
// Set the removable bit, if applicable. if (LunExt->DeviceFlags & DFLAGS_REMOVABLE_DRIVE) { KdPrint2((PRINT_PREFIX "RemovableMedia\n")); inquiryData->RemovableMedia = 1; } // Set the Relative Addressing (LBA) bit, if applicable. if (LunExt->DeviceFlags & DFLAGS_LBA_ENABLED) { inquiryData->RelativeAddressing = 1; KdPrint2((PRINT_PREFIX "RelativeAddressing\n")); } // Set the CommandQueue bit inquiryData->CommandQueue = 1;
// Fill in vendor identification fields. FillDeviceIdentificationString(inquiryData, identifyData);
// Move firmware revision from IDENTIFY data to // product revision in INQUIRY data. for (i = 0; i < 4; i += 2) { MOV_DW_SWP(inquiryData->ProductRevisionLevel[i], ((PUCHAR)identifyData->FirmwareRevision)[i]); }
status = SRB_STATUS_SUCCESS; } }
if (status != SRB_STATUS_SUCCESS)#endif status = AtapiSendCommand(HwDeviceExtension, Srb, CMD_ACTION_ALL); } else { KdPrint2((PRINT_PREFIX "Try IDE send\n"));/* { ULONG __ebp__ = 0; ULONG __esp__ = 0;
KdPrint2((PRINT_PREFIX "** before IdeSendCommand:\n")); __asm { mov eax,ebp mov __ebp__, eax mov eax,esp mov __esp__, eax } KdPrint2((PRINT_PREFIX "** before Ide: EBP:%#x ESP:%#x\n", __ebp__, __esp__)); }*/ status = IdeSendCommand(HwDeviceExtension, Srb, CMD_ACTION_ALL); }/* KeBugCheckEx(0xc000000e, (Srb->PathId<<16) | (Srb->TargetId<<8) | (Srb->Lun), Srb->Function, status, 0x80000002);*/
}//skip_exec: TopLevel = FALSE;
break;
case SRB_FUNCTION_ABORT_COMMAND:
tmpSrb = ScsiPortGetSrb(HwDeviceExtension, Srb->PathId, Srb->TargetId, Srb->Lun, Srb->QueueTag); // Verify that SRB to abort is still outstanding. if((tmpSrb != Srb->NextSrb) || !chan->queue_depth) {
KdPrint2((PRINT_PREFIX "AtapiStartIo: SRB to abort already completed\n"));
// Complete abort SRB. status = SRB_STATUS_ABORT_FAILED; break; }
AtaReq = (PATA_REQ)(tmpSrb->SrbExtension); if(AtaReq->ReqState > REQ_STATE_READY_TO_TRANSFER) { if (!AtapiResetController__(deviceExtension, lChannel, RESET_COMPLETE_CURRENT)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: Abort command failed\n")); // Log reset failure. KdPrint3((PRINT_PREFIX "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d)\n", HwDeviceExtension, NULL, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR, 5 << 8 )); ScsiPortLogError(HwDeviceExtension, NULL, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR, 5 << 8); status = SRB_STATUS_ERROR;
} else { status = SRB_STATUS_SUCCESS; } } else { KdPrint2((PRINT_PREFIX "AtapiInterrupt: remove aborted srb %#x\n", tmpSrb)); if (tmpSrb->SenseInfoBuffer && tmpSrb->SenseInfoBufferLength >= sizeof(SENSE_DATA)) {
PSENSE_DATA senseBuffer = (PSENSE_DATA)tmpSrb->SenseInfoBuffer;
senseBuffer->ErrorCode = 0; senseBuffer->Valid = 1; senseBuffer->AdditionalSenseLength = 0xb; senseBuffer->SenseKey = SCSI_SENSE_ABORTED_COMMAND; senseBuffer->AdditionalSenseCode = 0; senseBuffer->AdditionalSenseCodeQualifier = 0;
tmpSrb->SrbStatus |= SRB_STATUS_AUTOSENSE_VALID; } AtapiDmaDBSync(chan, tmpSrb); UniataRemoveRequest(chan, tmpSrb); // Indicate command complete. ScsiPortNotification(RequestComplete, deviceExtension, tmpSrb); status = SRB_STATUS_SUCCESS; } break;
// Abort function indicates that a request timed out. // Call reset routine. Card will only be reset if // status indicates something is wrong. // Fall through to reset code.
case SRB_FUNCTION_RESET_DEVICE: case SRB_FUNCTION_RESET_LOGICAL_UNIT:
// Reset single device. // For now we support only Lun=0
// Note: reset is immediate command, it cannot be queued since it is usually used to // revert not-responding device to operational state KdPrint2((PRINT_PREFIX "AtapiStartIo: Reset device request received\n")); UniataUserDeviceReset(deviceExtension, LunExt, lChannel); status = SRB_STATUS_SUCCESS; break;
case SRB_FUNCTION_RESET_BUS:do_bus_reset: // Reset Atapi and SCSI bus.
// Note: reset is immediate command, it cannot be queued since it is usually used to // revert not- responding device to operational state KdPrint2((PRINT_PREFIX "AtapiStartIo: Reset bus request received\n")); if (!AtapiResetController__(deviceExtension, lChannel, RESET_COMPLETE_ALL)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: Reset bus failed\n")); // Log reset failure. KdPrint3((PRINT_PREFIX "ScsiPortLogError: devExt %#x, Srb %#x, P:T:D=%d:%d:%d, MsgId %#x (%d) - (2)\n", HwDeviceExtension, NULL, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR, 5 << 8 )); ScsiPortLogError(HwDeviceExtension, NULL, 0, 0, 0, SP_INTERNAL_ADAPTER_ERROR, 5 << 8); status = SRB_STATUS_ERROR;
} else { status = SRB_STATUS_SUCCESS; }
break;
case SRB_FUNCTION_SHUTDOWN:
KdPrint2((PRINT_PREFIX "AtapiStartIo: Shutdown\n")); if(!LunExt || !(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: Shutdown - no such device\n")); } else if(atapiDev) { // FLUSH ATAPI device - do nothing KdPrint2((PRINT_PREFIX "AtapiStartIo: Shutdown - ATAPI device\n")); } else { // FLUSH IDE/ATA device KdPrint2((PRINT_PREFIX "AtapiStartIo: Shutdown - IDE device\n")); AtapiDisableInterrupts(deviceExtension, lChannel); status = AtaCommand(deviceExtension, DeviceNumber, GET_CHANNEL(Srb), IDE_COMMAND_FLUSH_CACHE, 0, 0, 0, 0, 0, ATA_WAIT_IDLE); // If supported & allowed, reset write cacheing if(LunExt->DeviceFlags & DFLAGS_WCACHE_ENABLED) {
// Disable write cache status = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_DIS_WCACHE, ATA_WAIT_BASE_READY); // Check for errors. if (status & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Disable write cacheing on Device %d failed\n", DeviceNumber)); } LunExt->DeviceFlags &= ~DFLAGS_WCACHE_ENABLED;
// Re-enable write cache status = AtaCommand(deviceExtension, DeviceNumber, lChannel, IDE_COMMAND_SET_FEATURES, 0, 0, 0, 0, ATA_C_F_ENAB_WCACHE, ATA_WAIT_BASE_READY); // Check for errors. if (status & IDE_STATUS_ERROR) { KdPrint2((PRINT_PREFIX "AtapiHwInitialize: Enable write cacheing on Device %d failed\n", DeviceNumber)); LunExt->DeviceFlags &= ~DFLAGS_WCACHE_ENABLED; } else { LunExt->DeviceFlags |= DFLAGS_WCACHE_ENABLED; } }
AtapiEnableInterrupts(deviceExtension, lChannel); } status = SRB_STATUS_SUCCESS;
break;
case SRB_FUNCTION_FLUSH:
KdPrint2((PRINT_PREFIX "AtapiStartIo: Flush (do nothing)\n")); status = SRB_STATUS_SUCCESS; break;
case SRB_FUNCTION_IO_CONTROL: {
ULONG len;
KdPrint2((PRINT_PREFIX "AtapiStartIo: SRB_FUNCTION_IO_CONTROL\n"));
len = Srb->DataTransferLength;
if(!AtapiStringCmp( (PCHAR)(((PSRB_IO_CONTROL)(Srb->DataBuffer))->Signature),"SCSIDISK",sizeof("SCSIDISK")-1)) {
ULONG targetId = (ULONG)(-1);
if(len < sizeof(SRB_IO_CONTROL)) { goto wrong_buffer_size; }
// extract bogus bus address switch (((PSRB_IO_CONTROL)(Srb->DataBuffer))->ControlCode) { case IOCTL_SCSI_MINIPORT_SMART_VERSION: { PGETVERSIONINPARAMS versionParameters = (PGETVERSIONINPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL));
if(len < sizeof(SRB_IO_CONTROL)+sizeof(GETVERSIONINPARAMS)) { goto wrong_buffer_size; }
targetId = versionParameters->bIDEDeviceMap; KdPrint2((PRINT_PREFIX "targetId (smart ver) %d\n", targetId)); break; } case IOCTL_SCSI_MINIPORT_IDENTIFY: case IOCTL_SCSI_MINIPORT_READ_SMART_ATTRIBS: case IOCTL_SCSI_MINIPORT_READ_SMART_THRESHOLDS: case IOCTL_SCSI_MINIPORT_ENABLE_SMART: case IOCTL_SCSI_MINIPORT_DISABLE_SMART: case IOCTL_SCSI_MINIPORT_RETURN_STATUS: case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTOSAVE: case IOCTL_SCSI_MINIPORT_SAVE_ATTRIBUTE_VALUES: case IOCTL_SCSI_MINIPORT_EXECUTE_OFFLINE_DIAGS: case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTO_OFFLINE: case IOCTL_SCSI_MINIPORT_READ_SMART_LOG: case IOCTL_SCSI_MINIPORT_WRITE_SMART_LOG: { PSENDCMDINPARAMS cmdInParameters = (PSENDCMDINPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL));
if(len < sizeof(SRB_IO_CONTROL)+sizeof(SENDCMDINPARAMS) - 1) { goto wrong_buffer_size; }
targetId = cmdInParameters->bDriveNumber; KdPrint2((PRINT_PREFIX "targetId (smart/ident) %d\n", targetId)); break; } default:invalid_request: KdPrint2((PRINT_PREFIX "AtapiStartIo: invalid IoControl %#x for SCSIDISK signature\n", ((PSRB_IO_CONTROL)(Srb->DataBuffer))->ControlCode )); status = SRB_STATUS_INVALID_REQUEST; goto complete_req; } // end switch()
// adjust (if necessary) bus address if(targetId != (ULONG)(-1)) {
// This is done because of how the IOCTL_SCSI_MINIPORT // determines 'targetid's'. Disk.sys places the real target id value // in the DeviceMap field. Once we do some parameter checking, the value passed // back to the application will be determined.
if (deviceExtension->NumberChannels == 1) { // do this for legacy controllers and legacy callers KdPrint2((PRINT_PREFIX "AtapiStartIo: legacy call\n")); DeviceNumber = (targetId & 0x01); lChannel = 0; } else if(commPort) { // do this for smartmontools, sending IOCTLs to PhysicalDrive%d // due to DISK.SYS design bug, we have invalid SCSI address in SRB KdPrint2((PRINT_PREFIX "AtapiStartIo: legacy call (2)\n")); if(deviceExtension->HwFlags & UNIATA_AHCI) { lChannel = (UCHAR)targetId / 2; DeviceNumber = 0; } else { lChannel = (UCHAR)(targetId / 2); DeviceNumber = targetId & 0x01; } } else { // otherwise assume lChannel and DeviceNumber from Srb are ok } if(lChannel >= deviceExtension->NumberChannels || DeviceNumber >= deviceExtension->NumberLuns) { KdPrint2((PRINT_PREFIX "AtapiStartIo: SCSIDISK IOCTL for non-exestent drive %d -> EXECUTE_SCSI rejected (2)\n", targetId)); // Indicate no device found at this address. goto reject_srb; } targetId = lChannel*deviceExtension->NumberLuns+DeviceNumber; chan = &(deviceExtension->chan[lChannel]); LunExt = chan->lun[DeviceNumber]; if(!LunExt) { goto reject_srb; } atapiDev = (LunExt->DeviceFlags & DFLAGS_ATAPI_DEVICE) ? TRUE : FALSE;
if (!(LunExt->DeviceFlags & DFLAGS_DEVICE_PRESENT)) { goto reject_srb; } }
switch (((PSRB_IO_CONTROL)(Srb->DataBuffer))->ControlCode) { case IOCTL_SCSI_MINIPORT_SMART_VERSION: {
PGETVERSIONINPARAMS versionParameters = (PGETVERSIONINPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL)); UCHAR deviceNumberMap;
KdPrint2((PRINT_PREFIX "AtapiStartIo: IOCTL_SCSI_MINIPORT_SMART_VERSION\n"));
// Version and revision per SMART 1.03
versionParameters->bVersion = 1; versionParameters->bRevision = 1; versionParameters->bReserved = 0;
// Indicate that support for IDE IDENTIFY, ATAPI IDENTIFY and SMART commands. versionParameters->fCapabilities = (CAP_ATA_ID_CMD | CAP_ATAPI_ID_CMD | CAP_SMART_CMD);
if (atapiDev) { goto invalid_request; }
// NOTE: This will only set the bit // corresponding to this drive's target id. // The bit mask is as follows: // // -Sec Pri // S M S M // 3 2 1 0
if(chan->DeviceExtension->HwFlags & UNIATA_AHCI) { deviceNumberMap = 1 << lChannel; DeviceNumber = 0; } else if (deviceExtension->NumberChannels == 1) { if (chan->PrimaryAddress) { deviceNumberMap = 1 << DeviceNumber; } else { deviceNumberMap = 4 << DeviceNumber; } } else { deviceNumberMap = 1 << (DeviceNumber+lChannel*2); }
versionParameters->bIDEDeviceMap = deviceNumberMap;
status = SRB_STATUS_SUCCESS; break; }
case IOCTL_SCSI_MINIPORT_IDENTIFY: {
PSENDCMDOUTPARAMS cmdOutParameters = (PSENDCMDOUTPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL)); SENDCMDINPARAMS cmdInParameters = *(PSENDCMDINPARAMS)(((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL));
KdPrint2((PRINT_PREFIX "AtapiStartIo: IOCTL_SCSI_MINIPORT_IDENTIFY\n")); // Extract the target. KdPrint2((PRINT_PREFIX "targetId %d\n", targetId));
switch(cmdInParameters.irDriveRegs.bCommandReg) { case ID_CMD: if(atapiDev) { KdPrint2((PRINT_PREFIX "Error: ID_CMD for ATAPI\n")); goto invalid_request; } /* FALL THROUGH */ case ATAPI_ID_CMD:
if(!atapiDev && (cmdInParameters.irDriveRegs.bCommandReg == ATAPI_ID_CMD)) { KdPrint2((PRINT_PREFIX "Error: ATAPI_ID_CMD for non-ATAPI\n")); goto invalid_request; }
len = min(len, sizeof(SENDCMDOUTPARAMS) - 1 + IDENTIFY_BUFFER_SIZE); // Zero the output buffer RtlZeroMemory(cmdOutParameters, len);/* for (i = 0; i < (sizeof(SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE - 1); i++) { ((PUCHAR)cmdOutParameters)[i] = 0; }*/
// Build status block. cmdOutParameters->cBufferSize = min(IDENTIFY_BUFFER_SIZE, len - sizeof(SENDCMDOUTPARAMS) + 1); cmdOutParameters->DriverStatus.bDriverError = 0; cmdOutParameters->DriverStatus.bIDEError = 0;
// Extract the identify data from the device extension. ScsiPortMoveMemory (cmdOutParameters->bBuffer, &(LunExt->IdentifyData), cmdOutParameters->cBufferSize);
if((cmdOutParameters->cBufferSize == IDENTIFY_BUFFER_SIZE) && (LunExt->IdentifyData.ChecksumValid == ATA_ChecksumValid)) { // adjust checksum if it is possible CHAR csum = 0; ULONG i;
for(i=0; i < IDENTIFY_BUFFER_SIZE-1; i++) { csum += (CHAR)(cmdOutParameters->bBuffer[i]); } cmdOutParameters->bBuffer[i] = -csum; KdPrint2((PRINT_PREFIX "AtapiStartIo: adjust checksum %d\n")); } KdPrint2((PRINT_PREFIX "AtapiStartIo: IOCTL_SCSI_MINIPORT_IDENTIFY Ok\n"));
status = SRB_STATUS_SUCCESS;
break; default: KdPrint2((PRINT_PREFIX "AtapiStartIo: not supported ID code %x\n", cmdInParameters.irDriveRegs.bCommandReg)); status = SRB_STATUS_INVALID_REQUEST; break; } break; }/* case IOCTL_SCSI_MINIPORT_READ_SMART_ATTRIBS: case IOCTL_SCSI_MINIPORT_READ_SMART_THRESHOLDS: case IOCTL_SCSI_MINIPORT_ENABLE_SMART: case IOCTL_SCSI_MINIPORT_DISABLE_SMART: case IOCTL_SCSI_MINIPORT_RETURN_STATUS: case IOCTL_SCSI_MINIPORT_ENABLE_DISABLE_AUTOSAVE: case IOCTL_SCSI_MINIPORT_SAVE_ATTRIBUTE_VALUES: case IOCTL_SCSI_MINIPORT_EXECUTE_OFFLINE_DIAGS:*/ default: // *all* IOCTLs here are SMART if(commPort) { KdPrint2((PRINT_PREFIX "AtapiStartIo: SCSIDISK Smart IOCTL for commPort -> EXECUTE_SCSI rejected (3)\n")); } if (atapiDev) { goto invalid_request; }
PostReq = UniataNeedQueueing(deviceExtension, chan, TopLevel);
if(PostReq || TopLevel) { UniataQueueRequest(chan, Srb); AtaReq = (PATA_REQ)(Srb->SrbExtension); AtaReq->ReqState = REQ_STATE_QUEUED; }
if(PostReq) {
KdPrint2((PRINT_PREFIX "Non-empty queue (SMART)\n")); status = SRB_STATUS_PENDING;
KdPrint2((PRINT_PREFIX "AtapiStartIo: Already have %d request(s)!\n", chan->queue_depth)); } else {
status = IdeSendSmartCommand(HwDeviceExtension, Srb, targetId); } break;
// we should not get here, checked above/* default : KdPrint2((PRINT_PREFIX "AtapiStartIo: invalid IoControl %#x for SCSIDISK signature\n", ((PSRB_IO_CONTROL)(Srb->DataBuffer))->ControlCode )); status = SRB_STATUS_INVALID_REQUEST; break;*/ } } else if(!AtapiStringCmp( (PCHAR)(((PSRB_IO_CONTROL)(Srb->DataBuffer))->Signature),"-UNIATA-", sizeof("-UNIATA-")-1)) {
PUNIATA_CTL AtaCtl = (PUNIATA_CTL)(Srb->DataBuffer); //ULONG ldev = GET_LDEV2(AtaCtl->addr.PathId, AtaCtl->addr.TargetId, 0); ULONG DeviceNumber = AtaCtl->addr.TargetId; BOOLEAN bad_ldev; ULONG i, pos;
pos = FIELD_OFFSET(UNIATA_CTL, RawData); //chan = &(deviceExtension->chan[lChannel]); if(len < pos) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, FIELD_OFFSET(UNIATA_CTL, RawData) )); goto wrong_buffer_size; }
if(AtaCtl->addr.Lun || AtaCtl->addr.TargetId >= deviceExtension->NumberLuns || AtaCtl->addr.PathId >= deviceExtension->NumberChannels) {
chan = NULL; bad_ldev = TRUE; LunExt = NULL;
} else { bad_ldev = FALSE; lChannel = AtaCtl->addr.PathId; chan = &(deviceExtension->chan[lChannel]); LunExt = chan->lun[DeviceNumber]; }
KdPrint2((PRINT_PREFIX "AtapiStartIo: -UNIATA- %#x, dev %#x\n", AtaCtl->hdr.ControlCode, DeviceNumber));
/* check for valid LUN */ switch (AtaCtl->hdr.ControlCode) { case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES: case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE: // this would be BUS reset if(bad_ldev && (AtaCtl->addr.PathId >= deviceExtension->NumberChannels || AtaCtl->addr.TargetId != 0xff || AtaCtl->addr.Lun != 0 )) { if(AtaCtl->hdr.ControlCode == IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES && DeviceNumber < deviceExtension->NumberLuns) { // AtaCtl->addr.TargetId != 0xff lChannel = AtaCtl->addr.PathId; chan = &(deviceExtension->chan[lChannel]); LunExt = chan->lun[DeviceNumber]; // OK } else { goto handle_bad_ldev; } } else { lChannel = AtaCtl->addr.PathId; chan = &(deviceExtension->chan[lChannel]); } break; case IOCTL_SCSI_MINIPORT_UNIATA_DELETE_DEVICE: case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE: case IOCTL_SCSI_MINIPORT_UNIATA_GET_MODE: case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB:// case IOCTL_SCSI_MINIPORT_UNIATA_REG_IO: if(bad_ldev) {handle_bad_ldev: KdPrint2((PRINT_PREFIX "AtapiStartIo: bad_ldev -> IOCTL SRB rejected\n")); // Indicate no device found at this address. goto reject_srb; } }
/* check if queueing is necessary */ switch (AtaCtl->hdr.ControlCode) { case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB: if(!LunExt->nBadBlocks) { break; } goto uata_ctl_queue; case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE: if(len < pos+sizeof(AtaCtl->SetMode)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->SetMode) )); goto wrong_buffer_size; } if(!AtaCtl->SetMode.ApplyImmediately) { break; } goto uata_ctl_queue; case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES: //case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE: reset must be processed immediatelyuata_ctl_queue: KdPrint2((PRINT_PREFIX "put to queue (UNIATA)\n")); PostReq = UniataNeedQueueing(deviceExtension, chan, TopLevel);
if(PostReq || TopLevel) { UniataQueueRequest(chan, Srb); AtaReq = (PATA_REQ)(Srb->SrbExtension); AtaReq->ReqState = REQ_STATE_QUEUED; } if(PostReq) { KdPrint2((PRINT_PREFIX "Non-empty queue (UNIATA)\n")); status = SRB_STATUS_PENDING;
KdPrint2((PRINT_PREFIX "AtapiStartIo: Already have %d request(s)!\n", chan->queue_depth)); goto complete_req; } } // end switch (AtaCtl->hdr.ControlCode)
/* process request */ switch (AtaCtl->hdr.ControlCode) { case IOCTL_SCSI_MINIPORT_UNIATA_FIND_DEVICES:
KdPrint2((PRINT_PREFIX "AtapiStartIo: rescan bus\n"));
if(len < pos+sizeof(AtaCtl->FindDelDev)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->FindDelDev) )); goto wrong_buffer_size; } if(AtaCtl->FindDelDev.Flags & UNIATA_ADD_FLAGS_UNHIDE) { KdPrint2((PRINT_PREFIX "AtapiStartIo: unhide from further detection\n")); if(AtaCtl->addr.TargetId != 0xff) { LunExt->DeviceFlags &= ~DFLAGS_HIDDEN; } else { } }
for(i=0; i<AtaCtl->FindDelDev.WaitForPhysicalLink && i<30; i++) { AtapiStallExecution(1000 * 1000); }
FindDevices(HwDeviceExtension, ((AtaCtl->addr.TargetId == 0xff) && (AtaCtl->FindDelDev.Flags & UNIATA_ADD_FLAGS_UNHIDE)) ? UNIATA_FIND_DEV_UNHIDE : 0, AtaCtl->addr.PathId); status = SRB_STATUS_SUCCESS;
break;
case IOCTL_SCSI_MINIPORT_UNIATA_DELETE_DEVICE: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: remove %#x:%#x\n", AtaCtl->addr.PathId, AtaCtl->addr.TargetId));
if(len < pos+sizeof(AtaCtl->FindDelDev)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->FindDelDev) )); goto wrong_buffer_size; } LunExt->DeviceFlags = 0; if(AtaCtl->FindDelDev.Flags & UNIATA_REMOVE_FLAGS_HIDE) { KdPrint2((PRINT_PREFIX "AtapiStartIo: hide from further detection\n")); //LunExt->DeviceFlags |= DFLAGS_HIDDEN; UniataForgetDevice(LunExt); }
for(i=0; i<AtaCtl->FindDelDev.WaitForPhysicalLink && i<30; i++) { AtapiStallExecution(1000 * 1000); }
status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_SET_MAX_MODE: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Set transfer mode\n"));
if(len < pos+sizeof(AtaCtl->SetMode)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->SetMode) )); goto wrong_buffer_size; } if(AtaCtl->SetMode.OrigMode != IOMODE_NOT_SPECIFIED) { LunExt->OrigTransferMode = (UCHAR)(AtaCtl->SetMode.OrigMode); } if(AtaCtl->SetMode.MaxMode != IOMODE_NOT_SPECIFIED) { LunExt->LimitedTransferMode = (UCHAR)(AtaCtl->SetMode.MaxMode); if(LunExt->LimitedTransferMode > LunExt->OrigTransferMode) { // check for incorrect value LunExt->LimitedTransferMode = LunExt->OrigTransferMode; } } LunExt->TransferMode = min(LunExt->LimitedTransferMode, LunExt->OrigTransferMode);
LunExt->DeviceFlags |= DFLAGS_REINIT_DMA; // force PIO/DMA reinit if(AtaCtl->SetMode.ApplyImmediately) { AtapiDmaInit__(deviceExtension, LunExt); }/* LunExt->TransferMode = LunExt->LimitedTransferMode = (UCHAR)(setTransferMode->Mode);*/ status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_GET_MODE: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Get transfer mode\n"));
if(len < pos+sizeof(AtaCtl->GetMode)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->GetMode) )); goto wrong_buffer_size; } AtaCtl->GetMode.OrigMode = LunExt->OrigTransferMode; AtaCtl->GetMode.MaxMode = LunExt->LimitedTransferMode; AtaCtl->GetMode.CurrentMode = LunExt->TransferMode; AtaCtl->GetMode.PhyMode = LunExt->PhyTransferMode;
status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_GET_VERSION: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Get version\n"));
if(len < pos+sizeof(AtaCtl->Version)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->Version) )); goto wrong_buffer_size; } AtaCtl->Version.Length = sizeof(GETDRVVERSION); AtaCtl->Version.VersionMj = UNIATA_VER_MJ; AtaCtl->Version.VersionMn = UNIATA_VER_MN; AtaCtl->Version.SubVerMj = UNIATA_VER_SUB_MJ; AtaCtl->Version.SubVerMn = UNIATA_VER_SUB_MN;
status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_ADAPTER_INFO: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Get adapter info\n"));
if(len < pos+sizeof(AtaCtl->AdapterInfo)) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtaCtl Buffer too small: %#x < %#x\n", len, pos+sizeof(AtaCtl->AdapterInfo) )); goto wrong_buffer_size; } AtaCtl->AdapterInfo.HeaderLength = sizeof(ADAPTERINFO);
AtaCtl->AdapterInfo.DevID = deviceExtension->DevID; AtaCtl->AdapterInfo.RevID = deviceExtension->RevID; AtaCtl->AdapterInfo.slotNumber = deviceExtension->slotNumber; AtaCtl->AdapterInfo.SystemIoBusNumber = deviceExtension->SystemIoBusNumber; AtaCtl->AdapterInfo.DevIndex = deviceExtension->DevIndex; AtaCtl->AdapterInfo.Channel = deviceExtension->Channel; AtaCtl->AdapterInfo.HbaCtrlFlags = deviceExtension->HbaCtrlFlags; AtaCtl->AdapterInfo.simplexOnly= deviceExtension->simplexOnly; AtaCtl->AdapterInfo.MemIo = FALSE;/*deviceExtension->MemIo;*/ AtaCtl->AdapterInfo.UnknownDev = deviceExtension->UnknownDev; AtaCtl->AdapterInfo.MasterDev = deviceExtension->MasterDev; AtaCtl->AdapterInfo.MaxTransferMode = deviceExtension->MaxTransferMode; AtaCtl->AdapterInfo.HwFlags = deviceExtension->HwFlags; AtaCtl->AdapterInfo.OrigAdapterInterfaceType = deviceExtension->OrigAdapterInterfaceType; AtaCtl->AdapterInfo.BusInterruptLevel = deviceExtension->BusInterruptLevel; AtaCtl->AdapterInfo.InterruptMode = deviceExtension->InterruptMode; AtaCtl->AdapterInfo.BusInterruptVector = deviceExtension->BusInterruptVector; AtaCtl->AdapterInfo.NumberChannels = deviceExtension->NumberChannels; AtaCtl->AdapterInfo.NumberLuns = (UCHAR)deviceExtension->NumberLuns; AtaCtl->AdapterInfo.AdapterInterfaceType = deviceExtension->AdapterInterfaceType; if(deviceExtension->FullDevName) { strncpy(AtaCtl->AdapterInfo.DeviceName, deviceExtension->FullDevName, 64); } AtaCtl->AdapterInfo.ChanInfoValid = FALSE; AtaCtl->AdapterInfo.LunInfoValid = FALSE; AtaCtl->AdapterInfo.ChanHeaderLengthValid = TRUE;
pos += AtaCtl->AdapterInfo.HeaderLength;
// zero tail RtlZeroMemory(((PCHAR)AtaCtl)+pos, len-pos);
if(len >= pos+AtaCtl->AdapterInfo.NumberChannels*sizeof(CHANINFO)) { PCHANINFO ChanInfo = (PCHANINFO)( ((PCHAR)AtaCtl)+pos ); PHW_CHANNEL cur_chan; KdPrint2((PRINT_PREFIX "AtapiStartIo: Fill channel info\n")); for(i=0;i<AtaCtl->AdapterInfo.NumberChannels;i++) { KdPrint2((PRINT_PREFIX "chan[%d] %x\n", i, cur_chan)); cur_chan = &(deviceExtension->chan[i]); ChanInfo->MaxTransferMode = cur_chan->MaxTransferMode; ChanInfo->ChannelCtrlFlags = cur_chan->ChannelCtrlFlags; RtlCopyMemory(&(ChanInfo->QueueStat), &(cur_chan->QueueStat), sizeof(ChanInfo->QueueStat)); ChanInfo->ReorderCount = cur_chan->ReorderCount; ChanInfo->IntersectCount = cur_chan->IntersectCount; ChanInfo->TryReorderCount = cur_chan->TryReorderCount; ChanInfo->TryReorderHeadCount = cur_chan->TryReorderHeadCount; ChanInfo->TryReorderTailCount = cur_chan->TryReorderTailCount; //ChanInfo->opt_MaxTransferMode = cur_chan->opt_MaxTransferMode; ChanInfo++; } AtaCtl->AdapterInfo.ChanInfoValid = TRUE; AtaCtl->AdapterInfo.ChanHeaderLength = sizeof(*ChanInfo); }
status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_RESETBB: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Forget BB list\n"));
ForgetBadBlocks(LunExt);
status = SRB_STATUS_SUCCESS; break; } case IOCTL_SCSI_MINIPORT_UNIATA_RESET_DEVICE: {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Reset device\n"));
if(bad_ldev) { goto do_bus_reset; } else { UniataUserDeviceReset(deviceExtension, LunExt, AtaCtl->addr.PathId); }
status = SRB_STATUS_SUCCESS; break; } default : KdPrint2((PRINT_PREFIX "AtapiStartIo: invalid IoControl %#x for -UNIATA- signature\n", AtaCtl->hdr.ControlCode )); status = SRB_STATUS_INVALID_REQUEST; break; }
} else { KdPrint2((PRINT_PREFIX "AtapiStartIo: IoControl signature incorrect. Send %s, expected %s or %s\n", ((PSRB_IO_CONTROL)(Srb->DataBuffer))->Signature, "SCSIDISK", "-UNIATA-"));
status = SRB_STATUS_INVALID_REQUEST; break; }
break; } // end SRB_FUNCTION_IO_CONTROL default:
KdPrint2((PRINT_PREFIX "AtapiStartIo: Unknown IOCTL\n")); // Indicate unsupported command. status = SRB_STATUS_INVALID_REQUEST;
// break;
} // end switch
complete_req:
PathId = Srb->PathId; TargetId = Srb->TargetId; Lun = Srb->Lun;
if (status != SRB_STATUS_PENDING) {
KdPrint2((PRINT_PREFIX "AtapiStartIo: Srb %#x complete with status %#x\n", Srb, status));
// Set status in SRB. Srb->SrbStatus = (UCHAR)status;
if(chan && Srb) { KdPrint2((PRINT_PREFIX "AtapiStartIo: AtapiDmaDBSync(%x, %x)\n", chan, Srb)); AtapiDmaDBSync(chan, Srb); } KdPrint2((PRINT_PREFIX "AtapiStartIo: UniataRemoveRequest(%x, %x)\n", chan, Srb)); UniataRemoveRequest(chan, Srb); // Indicate command complete. KdPrint2((PRINT_PREFIX "AtapiStartIo: ScsiPortNotification\n")); ScsiPortNotification(RequestComplete, deviceExtension, Srb);
KdPrint2((PRINT_PREFIX "AtapiStartIo: UniataGetCurRequest\n")); // Remove current Srb & get next one if((Srb = UniataGetCurRequest(chan))) { AtaReq = (PATA_REQ)(Srb->SrbExtension); if(AtaReq->ReqState > REQ_STATE_QUEUED) { // current request is under precessing, thus // we should do nothing here Srb = NULL; } } KdPrint2((PRINT_PREFIX "AtapiStartIo: chan %x, Src %x\n", chan, Srb)); if(!chan) { //ASSERT(TopLevel); } } KdPrint2((PRINT_PREFIX "AtapiStartIo: next Srb %x\n", Srb));
} while (Srb && (status != SRB_STATUS_PENDING));
KdPrint2((PRINT_PREFIX "AtapiStartIo: query PORT for next request\n")); // Indicate ready for next request. ScsiPortNotification(NextRequest, deviceExtension, NULL);
ScsiPortNotification(NextLuRequest, deviceExtension, PathId, TargetId, Lun);
return TRUE;
} // end AtapiStartIo__()
#if 0voidNTAPIUniataInitAtaCommands(){ int i; UCHAR command; UCHAR flags;
KdPrint2((PRINT_PREFIX "UniataInitAtaCommands:\n"));
for(i=0; i<256; i++) {
flags = 0; command = i;
//KdPrint2((PRINT_PREFIX "cmd %2.2x: ", command));
switch(command) { case IDE_COMMAND_READ_DMA48: case IDE_COMMAND_READ_DMA_Q48: case IDE_COMMAND_READ_STREAM_DMA48: case IDE_COMMAND_READ_STREAM48: case IDE_COMMAND_WRITE_DMA48: case IDE_COMMAND_WRITE_DMA_Q48: case IDE_COMMAND_READ_DMA_Q: case IDE_COMMAND_READ_DMA: case IDE_COMMAND_WRITE_DMA: case IDE_COMMAND_WRITE_DMA_Q: case IDE_COMMAND_WRITE_STREAM_DMA48: case IDE_COMMAND_WRITE_STREAM48: case IDE_COMMAND_WRITE_FUA_DMA48: case IDE_COMMAND_WRITE_FUA_DMA_Q48: case IDE_COMMAND_READ_LOG_DMA48: case IDE_COMMAND_WRITE_LOG_DMA48: case IDE_COMMAND_TRUSTED_RCV_DMA: case IDE_COMMAND_TRUSTED_SEND_DMA: case IDE_COMMAND_DATA_SET_MGMT: // TRIM //KdPrint2((PRINT_PREFIX "DMA ")); flags |= ATA_CMD_FLAG_DMA; }
switch(command) { case IDE_COMMAND_WRITE_FUA_DMA48: case IDE_COMMAND_WRITE_FUA_DMA_Q48: case IDE_COMMAND_WRITE_MUL_FUA48:
flags |= ATA_CMD_FLAG_FUA; /* FALL THROUGH */
case IDE_COMMAND_READ48: case IDE_COMMAND_READ_DMA48: case IDE_COMMAND_READ_DMA_Q48: case IDE_COMMAND_READ_MUL48: case IDE_COMMAND_READ_STREAM_DMA48: case IDE_COMMAND_READ_STREAM48: case IDE_COMMAND_WRITE48: case IDE_COMMAND_WRITE_DMA48: case IDE_COMMAND_WRITE_DMA_Q48: case IDE_COMMAND_WRITE_MUL48: case IDE_COMMAND_WRITE_STREAM_DMA48: case IDE_COMMAND_WRITE_STREAM48: case IDE_COMMAND_FLUSH_CACHE48: case IDE_COMMAND_VERIFY48:
//KdPrint2((PRINT_PREFIX "48 ")); flags |= ATA_CMD_FLAG_48; /* FALL THROUGH */
case IDE_COMMAND_READ: case IDE_COMMAND_READ_MULTIPLE: case IDE_COMMAND_READ_DMA: case IDE_COMMAND_READ_DMA_Q: case IDE_COMMAND_WRITE: case IDE_COMMAND_WRITE_MULTIPLE: case IDE_COMMAND_WRITE_DMA: case IDE_COMMAND_WRITE_DMA_Q: case IDE_COMMAND_FLUSH_CACHE: case IDE_COMMAND_VERIFY:
//KdPrint2((PRINT_PREFIX "LBA ")); flags |= ATA_CMD_FLAG_LBAIOsupp; }
switch(command) { case IDE_COMMAND_READ_NATIVE_SIZE48: case IDE_COMMAND_SET_NATIVE_SIZE48: // we cannot set LBA flag for these commands to avoid BadBlock handling //flags |= ATA_CMD_FLAG_LBAIOsupp; flags |= ATA_CMD_FLAG_48;
case IDE_COMMAND_READ_NATIVE_SIZE: case IDE_COMMAND_SET_NATIVE_SIZE:
flags |= ATA_CMD_FLAG_LBAIOsupp | ATA_CMD_FLAG_FUA; }
flags |= ATA_CMD_FLAG_48supp;
switch (command) { case IDE_COMMAND_READ: command = IDE_COMMAND_READ48; break; case IDE_COMMAND_READ_MULTIPLE: command = IDE_COMMAND_READ_MUL48; break; case IDE_COMMAND_READ_DMA: command = IDE_COMMAND_READ_DMA48; break; case IDE_COMMAND_READ_DMA_Q: command = IDE_COMMAND_READ_DMA_Q48; break; case IDE_COMMAND_WRITE: command = IDE_COMMAND_WRITE48; break; case IDE_COMMAND_WRITE_MULTIPLE: command = IDE_COMMAND_WRITE_MUL48; break; case IDE_COMMAND_WRITE_DMA: command = IDE_COMMAND_WRITE_DMA48; break; case IDE_COMMAND_WRITE_DMA_Q: command = IDE_COMMAND_WRITE_DMA_Q48; break; case IDE_COMMAND_FLUSH_CACHE: command = IDE_COMMAND_FLUSH_CACHE48; break; // case IDE_COMMAND_READ_NATIVE_SIZE: // command = IDE_COMMAND_READ_NATIVE_SIZE48; break; case IDE_COMMAND_SET_NATIVE_SIZE: command = IDE_COMMAND_SET_NATIVE_SIZE48; break; case IDE_COMMAND_VERIFY: command = IDE_COMMAND_VERIFY48; break; default: //KdPrint2((PRINT_PREFIX "!28->48 ")); flags &= ~ATA_CMD_FLAG_48supp; }
switch (command) { case IDE_COMMAND_READ: case IDE_COMMAND_READ_MULTIPLE: case IDE_COMMAND_READ_DMA48: case IDE_COMMAND_READ_DMA_Q48: case IDE_COMMAND_READ_STREAM_DMA48: case IDE_COMMAND_READ_STREAM48: case IDE_COMMAND_READ_DMA_Q: case IDE_COMMAND_READ_DMA: case IDE_COMMAND_READ_LOG_DMA48: case IDE_COMMAND_TRUSTED_RCV_DMA: case IDE_COMMAND_IDENTIFY: case IDE_COMMAND_ATAPI_IDENTIFY: //KdPrint2((PRINT_PREFIX "RD ")); flags |= ATA_CMD_FLAG_In; break; case IDE_COMMAND_WRITE: case IDE_COMMAND_WRITE_MULTIPLE: case IDE_COMMAND_WRITE_DMA48: case IDE_COMMAND_WRITE_DMA_Q48: case IDE_COMMAND_WRITE_DMA: case IDE_COMMAND_WRITE_DMA_Q: case IDE_COMMAND_WRITE_STREAM_DMA48: case IDE_COMMAND_WRITE_STREAM48: case IDE_COMMAND_WRITE_FUA_DMA48: case IDE_COMMAND_WRITE_FUA_DMA_Q48: //KdPrint2((PRINT_PREFIX "WR ")); flags |= ATA_CMD_FLAG_Out; break; }
//KdPrint2((PRINT_PREFIX "\t -> %2.2x (%2.2x)\n", command, flags)); AtaCommands48[i] = command; AtaCommandFlags[i] = flags; }} // end UniataInitAtaCommands()#endif
/*++
Routine Description:
Installable driver initialization entry point for system.
Arguments:
Driver Object
Return Value:
Status from ScsiPortInitialize()
--*/extern "C"ULONGNTAPIDriverEntry( IN PVOID DriverObject, IN PVOID Argument2 ){ HW_INITIALIZATION_DATA_COMMON hwInitializationData; ULONG adapterCount; ULONG i, c, alt, pref_alt; ULONG statusToReturn, newStatus; PUNICODE_STRING RegistryPath = (PUNICODE_STRING)Argument2; BOOLEAN ReEnter = FALSE;// WCHAR a;#ifndef USE_REACTOS_DDK NTSTATUS status;#endif
PCONFIGURATION_INFORMATION GlobalConfig = IoGetConfigurationInformation(); BOOLEAN PrimaryClaimed = FALSE; BOOLEAN SecondaryClaimed = FALSE; BOOLEAN IgnoreIsaCompatiblePci = FALSE; BOOLEAN IgnoreNativePci = FALSE;
LARGE_INTEGER t0, t1;
KdPrint2((PRINT_PREFIX "%s", (PCCHAR)ver_string)); //a = (WCHAR)strlen(ver_string);
statusToReturn = 0xffffffff;
// Zero out structure. RtlZeroMemory(((PCHAR)&hwInitializationData), sizeof(hwInitializationData));
// Set size of hwInitializationData. hwInitializationData.comm.HwInitializationDataSize = sizeof(hwInitializationData.comm) +// sizeof(hwInitializationData.nt4) + ((WinVer_Id() <= WinVer_NT) ? 0 : sizeof(hwInitializationData.w2k)); KdPrint(("HwInitializationDataSize = %x\n", hwInitializationData.comm.HwInitializationDataSize));
// Set entry points. hwInitializationData.comm.HwInitialize = (PHW_INITIALIZE)AtapiHwInitialize; hwInitializationData.comm.HwResetBus = (PHW_RESET_BUS)AtapiResetController; hwInitializationData.comm.HwStartIo = (PHW_STARTIO)AtapiStartIo; hwInitializationData.comm.HwInterrupt = (PHW_INTERRUPT)AtapiInterrupt;
// Specify size of extensions. hwInitializationData.comm.DeviceExtensionSize = sizeof(HW_DEVICE_EXTENSION); hwInitializationData.comm.SpecificLuExtensionSize = sizeof(HW_LU_EXTENSION); hwInitializationData.comm.SrbExtensionSize = sizeof(ATA_REQ);
// Indicate PIO device. hwInitializationData.comm.MapBuffers = TRUE;
// Request and parse arument string. KdPrint2((PRINT_PREFIX "\n\nUniATA: parse ArgumentString\n")); // Zero out structure. hwInitializationData.comm.NumberOfAccessRanges = 2; hwInitializationData.comm.HwFindAdapter = AtapiReadArgumentString; ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, &adapterCount);
if(!g_Dump) { Connect_DbgPrint(); g_opt_Verbose = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"PrintLogo", 0); if(g_opt_Verbose) { _PrintNtConsole("Universal ATA driver v 0." UNIATA_VER_STR "\n"); } IgnoreIsaCompatiblePci = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"IgnoreIsaCompatiblePci", IgnoreIsaCompatiblePci) ? TRUE : FALSE; IgnoreNativePci = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"IgnoreNativePci", IgnoreNativePci) ? TRUE : FALSE; } else { KdPrint(("crashdump mode\n")); }
if(!SavedDriverObject) { SavedDriverObject = (PDRIVER_OBJECT)DriverObject;#ifdef USE_REACTOS_DDK KdPrint(("UniATA Init: OS should be ReactOS\n")); MajorVersion=0x04; MinorVersion=0x01; BuildNumber=1; CPU_num = KeNumberProcessors;#else // we are here for the 1st time // init CrossNT and get OS version if(!NT_SUCCESS(status = CrNtInit(SavedDriverObject, RegistryPath))) { KdPrint(("UniATA Init: CrNtInit failed with status %#x\n", status)); //HalDisplayString((PUCHAR)"DbgPrnHkInitialize: CrNtInit failed\n"); return status; } CPU_num = *KeNumberProcessors;#endif // USE_REACTOS_DDK KdPrint(("UniATA Init: OS ver %x.%x (%d), %d CPU(s)\n", MajorVersion, MinorVersion, BuildNumber, CPU_num));
KeQuerySystemTime(&t0); do { KeQuerySystemTime(&t1); } while(t0.QuadPart == t1.QuadPart); t0=t1; g_Perf=0; do { KeQuerySystemTime(&t1); g_Perf++; } while(t0.QuadPart == t1.QuadPart); g_PerfDt = (ULONG)((t1.QuadPart - t0.QuadPart)/10); KdPrint(("Performance calibration: dt=%d, counter=%I64d\n", g_PerfDt, g_Perf )); } else { KdPrint(("UniATA Init: ReEnter\n")); ReEnter = TRUE; }
// (re)read bad block list InitBadBlocks(NULL);
if(!ReEnter) { // init ATA command translation table //UniataInitAtaCommands();
// get registry path to settings RtlCopyMemory(&SavedRegPath, RegistryPath, sizeof(UNICODE_STRING)); SavedRegPath.Buffer = (PWCHAR)&SavedRegPathBuffer; SavedRegPath.Length = min(RegistryPath->Length, 255*sizeof(WCHAR)); SavedRegPath.MaximumLength = 255*sizeof(WCHAR); RtlCopyMemory(SavedRegPath.Buffer, RegistryPath->Buffer, SavedRegPath.Length); SavedRegPath.Buffer[SavedRegPath.Length/sizeof(WCHAR)] = 0; }
if(WinVer_Id() >= WinVer_2k) {#ifndef __REACTOS__ if(AtapiRegCheckParameterValue(NULL, L"Paramaters\\PnpInterface", L"1", 0)) {#else if(AtapiRegCheckParameterValue(NULL, L"Parameters\\PnpInterface", L"1", 0)) {#endif KdPrint(("UniATA: Behave as WDM, mlia (1)\n")); WinVer_WDM_Model = TRUE; }#ifndef __REACTOS__ if(AtapiRegCheckParameterValue(NULL, L"Paramaters\\PnpInterface", L"5", 0)) {#else if(AtapiRegCheckParameterValue(NULL, L"Parameters\\PnpInterface", L"5", 0)) {#endif KdPrint(("UniATA: Behave as WDM, mlia (5)\n")); WinVer_WDM_Model = TRUE; } }
SkipRaids = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"SkipRaids", 1); ForceSimplex = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"ForceSimplex", 0);#ifdef _DEBUG g_LogToDisplay = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"LogToDisplay", 0);#endif //_DEBUG
// Set PnP-specific API if(WinVer_Id() > WinVer_NT) { KdPrint(("set NeedPhysicalAddresses = TRUE\n")); hwInitializationData.comm.NeedPhysicalAddresses = TRUE; KdPrint(("set AtapiAdapterControl() ptr\n")); hwInitializationData.w2k.HwAdapterControl = (PHW_ADAPTER_CONTROL)AtapiAdapterControl; }
KdPrint2((PRINT_PREFIX "\n\nUniATA init... (%d)\n", ReEnter)); if(!ReEnter) {
g_opt_VirtualMachine = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"VirtualMachineType", g_opt_VirtualMachine); if(g_opt_VirtualMachine > VM_MAX_KNOWN) { g_opt_VirtualMachine = 0; } if(AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"VirtualBox", (g_opt_VirtualMachine == VM_VBOX))) { g_opt_VirtualMachine = VM_VBOX; } // Pre-scan PCI bus, also check if we are under VM // But do not perform scan if PCI bus is claimed as unused if(!IgnoreIsaCompatiblePci || !IgnoreNativePci) { KdPrint2((PRINT_PREFIX "\nATAPI IDE enum supported PCI BusMaster Devices\n")); UniataEnumBusMasterController(DriverObject, Argument2); }
switch(g_opt_VirtualMachine) { case VM_VBOX: KdPrint2((PRINT_PREFIX "adjust options for VirtualBox\n")); // adjust options for VirtualBox g_opt_WaitBusyCount = 20000; g_opt_WaitBusyDelay = 150; g_opt_WaitDrqDelay = 100; g_opt_WaitBusyLongCount = 20000; g_opt_MaxIsrWait = 200; g_opt_AtapiSendDisableIntr = FALSE; g_opt_AtapiDmaRawRead = FALSE; break; case VM_BOCHS: KdPrint2((PRINT_PREFIX "adjust options for Bochs\n")); g_opt_AtapiNoDma = TRUE; }
if(!hasPCI) { KdPrint2((PRINT_PREFIX "old slow machine, adjust timings\n")); // old slow machine, adjust timings (us) g_opt_WaitBusyResetCount = 20000; g_opt_WaitBusyCount = 20000; g_opt_WaitBusyDelay = 150; g_opt_WaitDrqDelay = 100; g_opt_WaitBusyLongCount = 20000; g_opt_MaxIsrWait = 200; g_opt_DriveSelectNanoDelay = 400; } if(g_opt_VirtualMachine > VM_NONE) { g_opt_DriveSelectNanoDelay = 0; } if(CPU_num > 1) { g_opt_AtapiSendDisableIntr = TRUE; }
g_opt_WaitBusyCount = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"WaitBusyCount", g_opt_WaitBusyCount); // 200 vs 20000 g_opt_WaitBusyDelay = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"WaitBusyDelay", g_opt_WaitBusyDelay); // 10 vs 150 g_opt_WaitDrqDelay = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"WaitDrqDelay", g_opt_WaitDrqDelay); // 10 vs 100 g_opt_WaitBusyLongCount = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"WaitBusyLongCount", g_opt_WaitBusyLongCount); // 2000 vs 20000 g_opt_WaitBusyLongDelay = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"WaitBusyLongDelay", g_opt_WaitBusyLongDelay); // 250 vs 250 g_opt_AtapiSendDisableIntr = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"AtapiSendDisableIntr", g_opt_AtapiSendDisableIntr) ? TRUE : FALSE; // 1 vs 0 g_opt_AtapiDmaRawRead = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"AtapiDmaRawRead", g_opt_AtapiDmaRawRead) ? TRUE : FALSE; // 1 vs 0 g_opt_AtapiNoDma = (BOOLEAN)AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"AtapiNoDma", g_opt_AtapiNoDma) ? TRUE : FALSE; // 1 vs 0 g_opt_MaxIsrWait = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"MaxIsrWait", g_opt_MaxIsrWait); // 40 vs xxx g_opt_DriveSelectNanoDelay = AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"DriveSelectNanoDelay", g_opt_DriveSelectNanoDelay); } // end !re-enter
// Look for legacy ISA-bridged PCI IDE controller (onboard) KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: Look for legacy ISA-bridged PCI IDE controller (onboard)\n")); KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: BMListLen %d\n", BMListLen)); for (i=0; i <BMListLen; i++) {
if(!BMList[i].MasterDev) { KdPrint2((PRINT_PREFIX "!BMList[i].MasterDev\n")); break; } if(IgnoreIsaCompatiblePci) { break; } if(ReEnter) { KdPrint2((PRINT_PREFIX "ReEnter, skip it\n")); if(BMList[i].ChanInitOk & 0x03) { KdPrint2((PRINT_PREFIX "Already initialized, skip it\n")); statusToReturn = newStatus = STATUS_SUCCESS; } continue; } //BMList[i].AltInitMasterDev = (UCHAR)0xff;
if(GlobalConfig->AtDiskPrimaryAddressClaimed) PrimaryClaimed = TRUE; if(GlobalConfig->AtDiskSecondaryAddressClaimed) SecondaryClaimed = TRUE; pref_alt = 0;
if(!WinVer_WDM_Model && !PrimaryClaimed && !SecondaryClaimed && !g_Dump && !(BMList[i].ChanInitOk & 0x80)) {
// We just want to claim our PCI device in compatible mode, since we shall not // tell system that we use it inside HwInitialize // Even more, we shall cheat system, that work with ISA // Note: this call may (but not 'must' or 'can') cause IO resource // reallocation and switch to native mode if HAL supports this newStatus = (ULONG)UniataClaimLegacyPCIIDE(i); // Special check for NT3.51/NT4 (not ReactOS !!!) if(((NTSTATUS)newStatus == STATUS_CONFLICTING_ADDRESSES) && //(BMList[i].ChanInitOk & 0x40) && /*CPU_num > 1 &&*/ (WinVer_Id() <= WinVer_NT)) { // Some NT3/4 SMP (but not only) HALs cannot reallocate IO resources of // BusMaster PCI controller // Since nobody claimed Primary/Secondary yet, try init and claim them // However it is not 100% safe way, especially under ReactOS, which doesn't resolve // conflicts yet. // We relay on ScsiPort internal checks KdPrint2((PRINT_PREFIX "Can't acquire PCI part of BusMaster on SMP NT3/4 system, try init anyway.\n")); newStatus = STATUS_SUCCESS; // Prefer alternative init method (try to change Isa -> PCI in ConfigInfo first) pref_alt = 1; } if(newStatus != STATUS_SUCCESS) { KdPrint2((PRINT_PREFIX "Can't acquire PCI part of BusMaster, try as pure ISA later.\n")); break; } }
if(g_opt_Verbose) { _PrintNtConsole("Init standard Dual-channel PCI ATA controller:"); }
for(alt = 0; alt < (ULONG)(WinVer_WDM_Model ? 1 : 2) ; alt++) {
for(c=0; c<2; c++) { // check is channel is manually excluded if(AtapiRegCheckDevValue(NULL, c, DEVNUM_NOT_SPECIFIED, L"IgnoreIsaCompatiblePci", 0)) { break; } if(c==0) { if(PrimaryClaimed) { KdPrint2((PRINT_PREFIX "Primary already claimed\n")); continue; } } else if(c==1) { if(SecondaryClaimed) { KdPrint2((PRINT_PREFIX "Secondary already claimed\n")); continue; } }
if((WinVer_Id() < WinVer_2k)) { // do not even try if already claimed if(c==0) { GlobalConfig->AtDiskPrimaryAddressClaimed = FALSE; } else if(c==1) { GlobalConfig->AtDiskSecondaryAddressClaimed = FALSE; } } if(!WinVer_WDM_Model) { hwInitializationData.comm.HwFindAdapter = UniataFindBusMasterController; } else { // in WDM model things are different.... hwInitializationData.comm.HwFindAdapter = (c == 0) ? UniataFindCompatBusMasterController1 : UniataFindCompatBusMasterController2; } hwInitializationData.comm.NumberOfAccessRanges = 6; hwInitializationData.comm.AdapterInterfaceType = Isa;
if(!WinVer_WDM_Model) { BMList[i].channel = (UCHAR)c; }
KdPrint2((PRINT_PREFIX "Try init channel %d, method %d\n", c, alt)); newStatus = ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, UlongToPtr(i | ((alt ^ pref_alt) ? 0x80000000 : 0))); KdPrint2((PRINT_PREFIX "ScsiPortInitialize Status %#x\n", newStatus)); if (newStatus < statusToReturn) { statusToReturn = newStatus; } if (newStatus == STATUS_SUCCESS) { if(WinVer_Id() < WinVer_2k) { // This should be done in HwInitialize under w2k+ to ensure that // channel is actually initialized BMList[i].ChanInitOk |= 0x01 << c; } else { if(BMList[i].ChanInitOk & (0x01 << c)) { KdPrint2((PRINT_PREFIX "HwInit passed\n")); } }/* if(BMList[i].MasterDev && (WinVer_Id() > WinVer_NT)) { c = 1; // this will break our for() BMList[i].ChanInitOk |= 0x01 << c; }*/ } }/* if(WinVer_Id() >= WinVer_2k) { // the following didn't work under higher OSes, // until we move setting of FLAGS to HwInit KdPrint2((PRINT_PREFIX "make still one attempt\n")); continue; }*/ if(BMList[i].ChanInitOk & 0x03) { // Under NT we receive status immediately, so // we can omit alternative init method if STATUS_SUCCESS returned. // Under w2k+ we relay on flags, set in HwInitialize. KdPrint2((PRINT_PREFIX "Ok, no more retries required\n")); break; } else if(WinVer_Id() >= WinVer_2k) { // try AltInit if HwInit was not called immediately under w2k+ KdPrint2((PRINT_PREFIX "make still one attempt w2k+\n")); } else { // if (WinVer_Id() == WinVer_NT) and some error occured // try alternative init method KdPrint2((PRINT_PREFIX "make still one attempt w2k+\n")); } } // for(alt...) if(g_opt_Verbose) { if(BMList[i].ChanInitOk & 0x03) { _PrintNtConsole(" OK\n"); } else { _PrintNtConsole(" failed\n"); } }
}
/* KeBugCheckEx(0xc000000e, (i << 16) | BMList[0].ChanInitOk, c, newStatus, statusToReturn);*/
// Look for PCI IDE controller KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: Look for PCI IDE controller\n")); KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: i %d, BMListLen %d\n", i, BMListLen)); for (; i <BMListLen; i++) {
if(IgnoreNativePci) { break; }/* if(BMList[i].MasterDev) continue;*/ if(g_opt_Verbose) { _PrintNtConsole("Init PCI ATA controller Vendor/Dev %4.4s//%4.4s at PCI Address %d:%d:%d", BMList[i].VendorId, BMList[i].DeviceId, BMList[i].busNumber, BMList[i].slotNumber % PCI_MAX_FUNCTION, (BMList[i].slotNumber / PCI_MAX_FUNCTION) % PCI_MAX_DEVICES); }
hwInitializationData.comm.HwFindAdapter = UniataFindBusMasterController; hwInitializationData.comm.NumberOfAccessRanges = 6; hwInitializationData.comm.AdapterInterfaceType = PCIBus;
hwInitializationData.comm.VendorId = (PVOID)BMList[i].VendorId; hwInitializationData.comm.VendorIdLength = (USHORT) BMList[i].VendorIdLength; hwInitializationData.comm.DeviceId = (PVOID)BMList[i].DeviceId; hwInitializationData.comm.DeviceIdLength = (USHORT) BMList[i].DeviceIdLength;
BMList[i].channel = 0/*(UCHAR)c*/;
KdPrint2((PRINT_PREFIX "Try init %4.4s %4.4s \n", hwInitializationData.comm.VendorId, hwInitializationData.comm.DeviceId)); newStatus = ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, UlongToPtr(i)); KdPrint2((PRINT_PREFIX "ScsiPortInitialize Status %#x\n", newStatus)); if(newStatus == (ULONG)STATUS_DEVICE_DOES_NOT_EXIST && BMList[i].NeedAltInit) { // Note: this is actually a BUG in scsiport.sys // It stops scanning PCI bus when reaches empty PCI Function inside Slot // However, this PCI Slot may have higher non-empty Functions // UniATA will perform all staff instead of ScsiPort under NT, // but for ReactOS it is better to patch ScsiPort. KdPrint2((PRINT_PREFIX "STATUS_DEVICE_DOES_NOT_EXIST, try workaround\n")); hwInitializationData.comm.AdapterInterfaceType = Isa; newStatus = ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, UlongToPtr(i | 0x80000000)); KdPrint2((PRINT_PREFIX "ScsiPortInitialize Status %#x (2)\n", newStatus)); } if (newStatus < statusToReturn) statusToReturn = newStatus;
if(g_opt_Verbose) { if(newStatus == STATUS_SUCCESS) { _PrintNtConsole(" OK\n"); } else { _PrintNtConsole(" failed\n"); } }
}
/* KeBugCheckEx(0xc000000e, i, c, newStatus, statusToReturn);*/
// --------------
hwInitializationData.comm.VendorId = 0; hwInitializationData.comm.VendorIdLength = 0; hwInitializationData.comm.DeviceId = 0; hwInitializationData.comm.DeviceIdLength = 0;
if(!BMListLen) { hwInitializationData.comm.SrbExtensionSize = //FIELD_OFFSET(ATA_REQ, ata); sizeof(ATA_REQ); KdPrint2((PRINT_PREFIX "using AtaReq sz %x\n", hwInitializationData.comm.SrbExtensionSize)); }
// The adapter count is used by the find adapter routine to track how // which adapter addresses have been tested.
// Indicate 2 access ranges and reset FindAdapter. hwInitializationData.comm.NumberOfAccessRanges = 2; hwInitializationData.comm.HwFindAdapter = AtapiFindIsaController;
if(!AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"IgnoreIsa", 0)) { // Indicate ISA bustype. hwInitializationData.comm.AdapterInterfaceType = Isa; adapterCount = 0;
// Call initialization for ISA bustype. KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: Look for ISA Controllers\n")); newStatus = ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, &adapterCount); KdPrint2((PRINT_PREFIX "ScsiPortInitialize Status %#x\n", newStatus)); if (newStatus < statusToReturn) statusToReturn = newStatus; } if(!AtapiRegCheckDevValue(NULL, CHAN_NOT_SPECIFIED, DEVNUM_NOT_SPECIFIED, L"IgnoreMca", 0)) { // Set up for MCA KdPrint2((PRINT_PREFIX "\n\nATAPI IDE: Look for MCA Controllers\n")); hwInitializationData.comm.AdapterInterfaceType = MicroChannel; adapterCount = 0;
newStatus = ScsiPortInitialize(DriverObject, Argument2, &hwInitializationData.comm, &adapterCount); KdPrint2((PRINT_PREFIX "ScsiPortInitialize Status %#x\n", newStatus)); if (newStatus < statusToReturn) statusToReturn = newStatus; } InDriverEntry = FALSE;
KdPrint2((PRINT_PREFIX "\n\nLeave UNIATA MiniPort DriverEntry with status %#x\n", statusToReturn));
return statusToReturn;
} // end DriverEntry()
PSCSI_REQUEST_BLOCKNTAPIBuildMechanismStatusSrb( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PSCSI_REQUEST_BLOCK srb; PCDB cdb; PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension);
srb = &(deviceExtension->chan[GET_CHANNEL(Srb)].InternalSrb);
RtlZeroMemory((PCHAR) srb, sizeof(SCSI_REQUEST_BLOCK));
srb->PathId = (UCHAR)(Srb->PathId); srb->TargetId = (UCHAR)(Srb->TargetId); srb->Function = SRB_FUNCTION_EXECUTE_SCSI; srb->Length = sizeof(SCSI_REQUEST_BLOCK);
// Set flags to disable synchronous negociation. srb->SrbFlags = SRB_FLAGS_DATA_IN | SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
// Set timeout to 4 seconds. srb->TimeOutValue = 4;
srb->CdbLength = 6; srb->DataBuffer = &(deviceExtension->chan[GET_CHANNEL(Srb)].MechStatusData); srb->DataTransferLength = sizeof(MECHANICAL_STATUS_INFORMATION_HEADER); srb->SrbExtension = AtaReq;
// Set CDB operation code. cdb = (PCDB)srb->Cdb; cdb->MECH_STATUS.OperationCode = SCSIOP_MECHANISM_STATUS; cdb->MECH_STATUS.AllocationLength[1] = sizeof(MECHANICAL_STATUS_INFORMATION_HEADER);
KdPrint2((PRINT_PREFIX " MechanismStatusSrb %#x\n", srb));
return srb;} // end BuildMechanismStatusSrb()
#endif //UNIATA_CORE
PSCSI_REQUEST_BLOCKNTAPIBuildRequestSenseSrb ( IN PVOID HwDeviceExtension, IN PSCSI_REQUEST_BLOCK Srb ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PSCSI_REQUEST_BLOCK srb; PCDB cdb; PATA_REQ AtaReq = (PATA_REQ)(Srb->SrbExtension);
srb = &(deviceExtension->chan[GET_CHANNEL(Srb)].InternalSrb);
RtlZeroMemory((PCHAR) srb, sizeof(SCSI_REQUEST_BLOCK));
srb->PathId = (UCHAR)(Srb->PathId); srb->TargetId = (UCHAR)(Srb->TargetId); srb->Function = SRB_FUNCTION_EXECUTE_SCSI; srb->Length = sizeof(SCSI_REQUEST_BLOCK);
// Set flags to disable synchronous negociation. srb->SrbFlags = SRB_FLAGS_DATA_IN | SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
// Set timeout to 2 seconds. srb->TimeOutValue = 4;
srb->CdbLength = 6; srb->DataBuffer = &(deviceExtension->chan[GET_CHANNEL(Srb)].MechStatusSense); srb->DataTransferLength = sizeof(SENSE_DATA); srb->SrbExtension = AtaReq;
// Set CDB operation code. cdb = (PCDB)srb->Cdb; cdb->CDB6INQUIRY.OperationCode = SCSIOP_REQUEST_SENSE; cdb->CDB6INQUIRY.AllocationLength = sizeof(SENSE_DATA);
KdPrint2((PRINT_PREFIX " RequestSenseSrb %#x\n", srb));
return srb;} // end BuildRequestSenseSrb()
#ifndef UNIATA_CORE
ULONGNTAPIAtapiRegCheckDevLunValue( IN PVOID HwDeviceExtension, IN PCWCH NamePrefix, IN ULONG chan, IN ULONG dev, IN PCWSTR Name, IN ULONG Default ){ WCHAR namex[160]; ULONG val = Default;
val = AtapiRegCheckParameterValue( HwDeviceExtension, NamePrefix, Name, val);
if(chan != CHAN_NOT_SPECIFIED) { swprintf(namex, L"%s\\Chan_%1.1d", NamePrefix, chan); val = AtapiRegCheckParameterValue( HwDeviceExtension, namex, Name, val); if(dev != DEVNUM_NOT_SPECIFIED) { swprintf(namex, L"%s\\Chan_%1.1d\\%s", NamePrefix, chan, (dev & 0x01) ? L"Lun_1" : L"Lun_0"); val = AtapiRegCheckParameterValue( HwDeviceExtension, namex, Name, val); } } return val;} // end AtapiRegCheckDevLunValue()
ULONGNTAPIEncodeVendorStr( OUT PWCHAR Buffer, IN PUCHAR Str, IN ULONG Length ){ ULONG i,j; WCHAR a;
for(i=0, j=0; i<Length; i++, j++) { // fix byte-order a = Str[i ^ 0x01]; if(!a) { Buffer[j] = 0; return j; } else if(a == ' ') { Buffer[j] = '_'; } else if((a == '_') || (a == '#') || (a == '\\') || (a == '\"') || (a == '\'') || (a < ' ') || (a >= 127)) { Buffer[j] = '#'; j++; swprintf(Buffer+j, L"%2.2x", a); j++; } else { Buffer[j] = a; } } Buffer[j] = 0; return j;} // end EncodeVendorStr()
ULONGNTAPIAtapiRegCheckDevValue( IN PVOID HwDeviceExtension, IN ULONG chan, IN ULONG dev, IN PCWSTR Name, IN ULONG Default ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension;// WCHAR name0[11];// WCHAR name1[11+4+5];// WCHAR name2[11+4+4+10];// WCHAR name3[11+4+4+5+20];// WCHAR name3[11+4+4+5+20+1]; WCHAR namex[160];
WCHAR namev[16]; WCHAR named[16]; WCHAR names[20];
IN ULONG VendorID; IN ULONG DeviceID; IN ULONG SlotNumber; IN ULONG HwFlags;
ULONG val = Default;
KdPrint(( " Parameter %ws\n", Name));
if(deviceExtension) { VendorID = deviceExtension->DevID & 0xffff; DeviceID = (deviceExtension->DevID >> 16) & 0xffff; SlotNumber = deviceExtension->slotNumber; HwFlags = deviceExtension->HwFlags; } else { VendorID = 0xffff; DeviceID = 0xffff; SlotNumber = 0xffffffff; HwFlags = 0; }
val = AtapiRegCheckDevLunValue( HwDeviceExtension, L"Parameters", chan, dev, Name, val);
if(deviceExtension) {
if(HwFlags & UNIATA_SATA) { swprintf(namev, L"\\SATA"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val); } if(HwFlags & UNIATA_AHCI) { swprintf(namev, L"\\AHCI"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val); } if(!(HwFlags & (UNIATA_SATA | UNIATA_AHCI))) { swprintf(namev, L"\\PATA"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val); }
if(deviceExtension->AdapterInterfaceType == PCIBus) { // PCI swprintf(namev, L"\\PCIIDE"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val);
swprintf(namev, L"\\IDE_%d", deviceExtension->DevIndex); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
swprintf(namev, L"\\Ven_%4.4x", VendorID); swprintf(named, L"\\Dev_%4.4x", DeviceID); swprintf(names, L"\\Slot_%8.8x", SlotNumber);
swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
swprintf(namex, L"Parameters%s%s", namev, named); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
swprintf(namex, L"Parameters%s%s%s", namev, named, names); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val); } else if(deviceExtension->AdapterInterfaceType == Isa) { // Isa swprintf(namev, L"\\ISAIDE"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val);
swprintf(namev, L"\\IDE_%d", deviceExtension->DevIndex+BMListLen); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
swprintf(namev, L"\\ISA_%d", deviceExtension->DevIndex); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
} else if(deviceExtension->AdapterInterfaceType == MicroChannel) { // MicroChannel swprintf(namev, L"\\MCA"); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, CHAN_NOT_SPECIFIED, dev, Name, val);
swprintf(namev, L"\\IDE_%d", deviceExtension->DevIndex+BMListLen+IsaCount); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
swprintf(namev, L"\\MCA_%d", deviceExtension->DevIndex); swprintf(namex, L"Parameters%s", namev); val = AtapiRegCheckDevLunValue( HwDeviceExtension, namex, chan, dev, Name, val);
} }
KdPrint(( " Parameter %ws = %#x\n", Name, val)); return val;
} // end AtapiRegCheckDevValue()
/* The user must specify that Xxx is to run on the platform by setting the registry value HKEY_LOCAL_MACHINE\System\CurrentControlSet\ Services\UniATA\Xxx:REG_DWORD:Zzz.
The user can override the global setting to enable or disable Xxx on a specific cdrom device by setting the key HKEY_LOCAL_MACHINE\System\ CurrentControlSet\Services\UniATA\Parameters\Device<N>\Xxx:REG_DWORD to one or zero.
If this registry value does not exist or contains the value zero then the timer to check for media change does not run.
Arguments:
RegistryPath - pointer to the unicode string inside ...\CurrentControlSet\Services\UniATA DeviceNumber - The number of the HBA device object
Returns: Registry Key value */ULONGNTAPIAtapiRegCheckParameterValue( IN PVOID HwDeviceExtension, IN PCWSTR PathSuffix, IN PCWSTR Name, IN ULONG Default ){#define ITEMS_TO_QUERY 2 // always 1 greater than what is searched
// PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; NTSTATUS status; LONG zero = Default;
RTL_QUERY_REGISTRY_TABLE parameters[ITEMS_TO_QUERY];
// LONG tmp = 0; LONG doRun = Default;
PUNICODE_STRING RegistryPath = &SavedRegPath;
UNICODE_STRING paramPath;
if(g_Dump) { goto failed; }
// <SavedRegPath>\<PathSuffix> -> <Name>// KdPrint(( "AtapiCheckRegValue: %ws -> %ws\n", PathSuffix, Name));// KdPrint(( "AtapiCheckRegValue: RegistryPath %ws\n", RegistryPath->Buffer));
paramPath.Length = 0; paramPath.MaximumLength = RegistryPath->Length + (wcslen(PathSuffix)+2)*sizeof(WCHAR); paramPath.Buffer = (PWCHAR)ExAllocatePool(NonPagedPool, paramPath.MaximumLength); if(!paramPath.Buffer) { KdPrint(("AtapiCheckRegValue: couldn't allocate paramPath\n")); return Default; }
RtlZeroMemory(paramPath.Buffer, paramPath.MaximumLength); RtlAppendUnicodeToString(¶mPath, RegistryPath->Buffer); RtlAppendUnicodeToString(¶mPath, L"\\"); RtlAppendUnicodeToString(¶mPath, REGRTL_STR_PTYPE PathSuffix);
// Check for the Xxx value. RtlZeroMemory(parameters, (sizeof(RTL_QUERY_REGISTRY_TABLE)*ITEMS_TO_QUERY));
parameters[0].Flags = RTL_QUERY_REGISTRY_DIRECT; parameters[0].Name = REGRTL_STR_PTYPE Name; parameters[0].EntryContext = &doRun; parameters[0].DefaultType = REG_DWORD; parameters[0].DefaultData = &zero; parameters[0].DefaultLength = sizeof(ULONG);
status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE /*| RTL_REGISTRY_OPTIONAL*/, paramPath.Buffer, parameters, NULL, NULL); if(NT_SUCCESS(status)) { KdPrint(( "AtapiCheckRegValue: %ws -> %ws is %#x\n", PathSuffix, Name, doRun)); }
ExFreePool(paramPath.Buffer);
if(!NT_SUCCESS(status)) {failed: doRun = Default; }
return doRun;
#undef ITEMS_TO_QUERY
} // end AtapiRegCheckParameterValue()
SCSI_ADAPTER_CONTROL_STATUSNTAPIAtapiAdapterControl( IN PVOID HwDeviceExtension, IN SCSI_ADAPTER_CONTROL_TYPE ControlType, IN PVOID Parameters ){ PHW_DEVICE_EXTENSION deviceExtension = (PHW_DEVICE_EXTENSION)HwDeviceExtension; PSCSI_SUPPORTED_CONTROL_TYPE_LIST pControlTypeList; ULONG numberChannels = deviceExtension->NumberChannels; ULONG c; NTSTATUS status;
KdPrint(( "AtapiAdapterControl: %#x\n", ControlType));
switch(ControlType) { case ScsiQuerySupportedControlTypes: { BOOLEAN supportedTypes[ScsiAdapterControlMax] = { TRUE, // ScsiQuerySupportedControlTypes TRUE, // ScsiStopAdapter TRUE, // ScsiRestartAdapter FALSE, // ScsiSetBootConfig FALSE // ScsiSetRunningConfig };
ULONG lim = ScsiAdapterControlMax; ULONG i;
pControlTypeList = (PSCSI_SUPPORTED_CONTROL_TYPE_LIST) Parameters;
if(pControlTypeList->MaxControlType < lim) { lim = pControlTypeList->MaxControlType; }
for(i = 0; i < lim; i++) { pControlTypeList->SupportedTypeList[i] = supportedTypes[i]; }
break;
} case ScsiStopAdapter: {
KdPrint(( "AtapiAdapterControl: ScsiStopAdapter\n")); // Shut down all interrupts on the adapter. They'll get re-enabled // by the initialization routines. for (c = 0; c < numberChannels; c++) { AtapiResetController(deviceExtension, c); AtapiDisableInterrupts(deviceExtension, c); } if(deviceExtension->AdapterInterfaceType == PCIBus) { // we must never get here for non-PCI /*status =*/ UniataDisconnectIntr2(HwDeviceExtension); BMList[deviceExtension->DevIndex].Isr2Enable = FALSE; } break; } case ScsiRestartAdapter: {
KdPrint(( "AtapiAdapterControl: ScsiRestartAdapter\n")); // Enable all the interrupts on the adapter while port driver call // for power up an HBA that was shut down for power management
AtapiChipInit(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, CHAN_NOT_SPECIFIED); status = UniataConnectIntr2(HwDeviceExtension); if(NT_SUCCESS(status)) { for (c = 0; c < numberChannels; c++) { AtapiChipInit(HwDeviceExtension, DEVNUM_NOT_SPECIFIED, c); FindDevices(HwDeviceExtension, 0, c); AtapiEnableInterrupts(deviceExtension, c); AtapiHwInitialize__(deviceExtension, c); } if(deviceExtension->Isr2DevObj) { // we must never get here for non-PCI BMList[deviceExtension->DevIndex].Isr2Enable = TRUE; } }
break; }
default: { KdPrint(( "AtapiAdapterControl: default => return ScsiAdapterControlUnsuccessful\n")); return ScsiAdapterControlUnsuccessful; } }
return ScsiAdapterControlSuccess;} // end AtapiAdapterControl()
#endif //UNIATA_CORE
extern "C"NTHALAPIVOIDNTAPIHalDisplayString ( PUCHAR String );
#define DEBUG_MSG_BUFFER_SIZE 512
extern "C"VOID_cdecl_PrintNtConsole( PCCH DebugMessage, ... ){ //int len; UCHAR dbg_print_tmp_buff[DEBUG_MSG_BUFFER_SIZE];// UNICODE_STRING msgBuff; va_list ap; va_start(ap, DebugMessage);
/*len =*/ _vsnprintf((PCHAR)&dbg_print_tmp_buff[0], DEBUG_MSG_BUFFER_SIZE-1, DebugMessage, ap);
dbg_print_tmp_buff[DEBUG_MSG_BUFFER_SIZE-1] = 0;
//DbgPrint(((PCHAR)&(dbg_print_tmp_buff[0]))); // already done in KdPrint macro HalDisplayString(dbg_print_tmp_buff);
#ifdef _DEBUG if(g_LogToDisplay > 1) { AtapiStallExecution(g_LogToDisplay*1000); }#endif // _DEBUG
va_end(ap);
} // end PrintNtConsole()