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* Implemented multiple sector commands for reading and writing (only for disks).

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* Implemented 32 bit access for I/O (only for disks).
* Both options can be desabled by undefining ENABLE_MULTIMODE and ENABLE_32BIT.

svn path=/trunk/; revision=3741
This commit is contained in:
Hartmut Birr 2002-11-11 21:51:33 +00:00
parent 62eac3dcff
commit 153843d464
2 changed files with 91 additions and 12 deletions
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93
reactos/drivers/storage/atapi/atapi.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: atapi.c,v 1.29 2002/09/19 16:17:35 ekohl Exp $ /* $Id: atapi.c,v 1.30 2002/11/11 21:51:33 hbirr Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS ATAPI miniport driver * PROJECT: ReactOS ATAPI miniport driver
@ -42,6 +42,8 @@
#define ENABLE_PCI #define ENABLE_PCI
#define ENABLE_ISA #define ENABLE_ISA
#define ENABLE_MULTIMODE // enables multiple sector commands
#define ENABLE_32BIT // enables 32Bit I/O for disk transfer (not for ATAPI)
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------
@ -552,7 +554,7 @@ AtapiFindIsaBusController(PVOID DeviceExtension,
ConfigInfo->AtdiskPrimaryClaimed = TRUE; ConfigInfo->AtdiskPrimaryClaimed = TRUE;
ChannelFound = TRUE; ChannelFound = TRUE;
*Again = FALSE/*TRUE*/; *Again = TRUE;
} }
else if (ConfigInfo->AtdiskSecondaryClaimed == FALSE) else if (ConfigInfo->AtdiskSecondaryClaimed == FALSE)
{ {
@ -700,7 +702,6 @@ AtapiInterrupt(IN PVOID DeviceExtension)
BOOLEAN IsAtapi; BOOLEAN IsAtapi;
ULONG Retries; ULONG Retries;
PUCHAR TargetAddress; PUCHAR TargetAddress;
ULONG SectorSize;
ULONG TransferSize; ULONG TransferSize;
DPRINT("AtapiInterrupt() called!\n"); DPRINT("AtapiInterrupt() called!\n");
@ -770,6 +771,12 @@ AtapiInterrupt(IN PVOID DeviceExtension)
else else
{ {
TransferSize = DevExt->DeviceParams[Srb->TargetId].BytesPerSector; TransferSize = DevExt->DeviceParams[Srb->TargetId].BytesPerSector;
#ifdef ENABLE_MULTIMODE
if (DevExt->DeviceParams[Srb->TargetId].RWMultCurrent & 0xff)
{
TransferSize *= (DevExt->DeviceParams[Srb->TargetId].RWMultCurrent & 0xff);
}
#endif
} }
DPRINT("TransferLength: %lu\n", Srb->DataTransferLength); DPRINT("TransferLength: %lu\n", Srb->DataTransferLength);
@ -777,6 +784,12 @@ AtapiInterrupt(IN PVOID DeviceExtension)
if (Srb->DataTransferLength <= TransferSize) if (Srb->DataTransferLength <= TransferSize)
{ {
#ifdef ENABLE_MULTIMODE
if (!IsAtapi)
{
TransferSize = Srb->DataTransferLength;
}
#endif
Srb->DataTransferLength = 0; Srb->DataTransferLength = 0;
IsLastBlock = TRUE; IsLastBlock = TRUE;
} }
@ -797,10 +810,24 @@ AtapiInterrupt(IN PVOID DeviceExtension)
} }
/* Copy the block of data */ /* Copy the block of data */
#ifdef ENABLE_32BIT
if (IsAtapi)
{
IDEReadBlock(CommandPortBase, IDEReadBlock(CommandPortBase,
TargetAddress, TargetAddress,
TransferSize); TransferSize);
}
else
{
IDEReadBlock32(CommandPortBase,
TargetAddress,
TransferSize);
}
#else
IDEReadBlock(CommandPortBase,
TargetAddress,
TransferSize);
#endif
/* check DRQ */ /* check DRQ */
if (IsLastBlock) if (IsLastBlock)
{ {
@ -848,16 +875,32 @@ AtapiInterrupt(IN PVOID DeviceExtension)
else else
{ {
/* Update SRB data */ /* Update SRB data */
SectorSize = DevExt->DeviceParams[Srb->TargetId].BytesPerSector; TransferSize = DevExt->DeviceParams[Srb->TargetId].BytesPerSector;
#ifdef ENABLE_MULTIMODE
if (DevExt->DeviceParams[Srb->TargetId].RWMultCurrent & 0xff)
{
TransferSize *= (DevExt->DeviceParams[Srb->TargetId].RWMultCurrent & 0xff);
}
#endif
if (Srb->DataTransferLength <= TransferSize)
{
TransferSize = Srb->DataTransferLength;
}
TargetAddress = Srb->DataBuffer; TargetAddress = Srb->DataBuffer;
Srb->DataBuffer += SectorSize; Srb->DataBuffer += TransferSize;
Srb->DataTransferLength -= SectorSize; Srb->DataTransferLength -= TransferSize;
/* Write the sector */ /* Write the sector */
#ifdef ENABLE_32BIT
IDEWriteBlock32(CommandPortBase,
TargetAddress,
TransferSize);
#else
IDEWriteBlock(CommandPortBase, IDEWriteBlock(CommandPortBase,
TargetAddress, TargetAddress,
SectorSize); TransferSize);
#endif
} }
Srb->SrbStatus = SRB_STATUS_SUCCESS; Srb->SrbStatus = SRB_STATUS_SUCCESS;
@ -1152,8 +1195,9 @@ AtapiIdentifyDevice(IN ULONG CommandPort,
DrvParms->ECCByteCnt, DrvParms->ECCByteCnt,
DrvParms->FirmwareRev); DrvParms->FirmwareRev);
DPRINT("Model:[%.40s]\n", DrvParms->ModelNumber); DPRINT("Model:[%.40s]\n", DrvParms->ModelNumber);
DPRINT("RWMult?:%02x LBA:%d DMA:%d MinPIO:%d ns MinDMA:%d ns\n", DPRINT("RWMultMax?:%02x RWMult?:%02x LBA:%d DMA:%d MinPIO:%d ns MinDMA:%d ns\n",
(DrvParms->RWMultImplemented) & 0xff, (DrvParms->RWMultImplemented) & 0xff,
(DrvParms->RWMultCurrent) & 0xff,
(DrvParms->Capabilities & IDE_DRID_LBA_SUPPORTED) ? 1 : 0, (DrvParms->Capabilities & IDE_DRID_LBA_SUPPORTED) ? 1 : 0,
(DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0, (DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0,
DrvParms->MinPIOTransTime, DrvParms->MinPIOTransTime,
@ -1827,11 +1871,19 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
if (Srb->SrbFlags & SRB_FLAGS_DATA_IN) if (Srb->SrbFlags & SRB_FLAGS_DATA_IN)
{ {
#ifdef ENABLE_MULTIMODE
Command = DeviceParams->RWMultCurrent & 0xff ? IDE_CMD_READ_MULTIPLE : IDE_CMD_READ;
#else
Command = IDE_CMD_READ; Command = IDE_CMD_READ;
#endif
} }
else else
{ {
#ifdef ENABLE_MULTIMODE
Command = DeviceParams->RWMultCurrent & 0xff ? IDE_CMD_WRITE_MULTIPLE : IDE_CMD_WRITE;
#else
Command = IDE_CMD_WRITE; Command = IDE_CMD_WRITE;
#endif
} }
if (DrvHead & IDE_DH_LBA) if (DrvHead & IDE_DH_LBA)
@ -1960,7 +2012,11 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
IDEWriteCommand(DeviceExtension->CommandPortBase, Command); IDEWriteCommand(DeviceExtension->CommandPortBase, Command);
/* Write data block */ /* Write data block */
#ifdef ENABLE_MULTIMODE
if (Command == IDE_CMD_WRITE || Command == IDE_CMD_WRITE_MULTIPLE)
#else
if (Command == IDE_CMD_WRITE) if (Command == IDE_CMD_WRITE)
#endif
{ {
PUCHAR TargetAddress; PUCHAR TargetAddress;
ULONG SectorSize; ULONG SectorSize;
@ -1998,15 +2054,32 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
} }
/* Update SRB data */ /* Update SRB data */
SectorSize = DeviceExtension->DeviceParams[Srb->TargetId].BytesPerSector; SectorSize = DeviceParams->BytesPerSector;
#ifdef ENABLE_MULTIMODE
if (DeviceParams->RWMultCurrent & 0xff)
{
SectorSize *= (DeviceParams->RWMultCurrent & 0xff);
}
if (Srb->DataTransferLength < SectorSize)
{
SectorSize = Srb->DataTransferLength;
}
#endif
TargetAddress = Srb->DataBuffer; TargetAddress = Srb->DataBuffer;
Srb->DataBuffer += SectorSize; Srb->DataBuffer += SectorSize;
Srb->DataTransferLength -= SectorSize; Srb->DataTransferLength -= SectorSize;
/* Write data block */ /* Write data block */
#ifdef ENABLE_32BIT
IDEWriteBlock32(DeviceExtension->CommandPortBase,
TargetAddress,
SectorSize);
#else
IDEWriteBlock(DeviceExtension->CommandPortBase, IDEWriteBlock(DeviceExtension->CommandPortBase,
TargetAddress, TargetAddress,
SectorSize); SectorSize);
#endif
} }

8
reactos/drivers/storage/atapi/atapi.h
View file

@ -66,6 +66,8 @@ extern "C" {
#define IDE_CMD_READ_RETRY 0x21 #define IDE_CMD_READ_RETRY 0x21
#define IDE_CMD_WRITE 0x30 #define IDE_CMD_WRITE 0x30
#define IDE_CMD_WRITE_RETRY 0x31 #define IDE_CMD_WRITE_RETRY 0x31
#define IDE_CMD_READ_MULTIPLE 0xC4
#define IDE_CMD_WRITE_MULTIPLE 0xC5
#define IDE_CMD_IDENT_ATA_DRV 0xEC #define IDE_CMD_IDENT_ATA_DRV 0xEC
#define IDE_CMD_IDENT_ATAPI_DRV 0xA1 #define IDE_CMD_IDENT_ATAPI_DRV 0xA1
// //
@ -110,6 +112,10 @@ extern "C" {
#define IDEWriteBlock(Address, Buffer, Count) \ #define IDEWriteBlock(Address, Buffer, Count) \
(ScsiPortWritePortBufferUshort((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2)) (ScsiPortWritePortBufferUshort((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2))
#define IDEReadBlock32(Address, Buffer, Count) \
(ScsiPortReadPortBufferUlong((PULONG)((Address) + IDE_REG_DATA_PORT), (PULONG)(Buffer), (Count) / 4))
#define IDEWriteBlock32(Address, Buffer, Count) \
(ScsiPortWritePortBufferUlong((PULONG)((Address) + IDE_REG_DATA_PORT), (PULONG)(Buffer), (Count) / 4))
// //
// Access macros for control registers // Access macros for control registers
// Each macro takes an address of the control port blank and data // Each macro takes an address of the control port blank and data
@ -160,7 +166,7 @@ typedef struct _IDE_DRIVE_IDENTIFY
WORD TMSectorsPerTrk; /*56*/ WORD TMSectorsPerTrk; /*56*/
WORD TMCapacityLo; /*57*/ WORD TMCapacityLo; /*57*/
WORD TMCapacityHi; /*58*/ WORD TMCapacityHi; /*58*/
WORD Reserved59; /*59*/ WORD RWMultCurrent; /*59*/
WORD TMSectorCountLo; /*60*/ WORD TMSectorCountLo; /*60*/
WORD TMSectorCountHi; /*61*/ WORD TMSectorCountHi; /*61*/
WORD Reserved62[193]; /*62*/ WORD Reserved62[193]; /*62*/