diff options
| author | Hao Wu <hao.a.wu@intel.com> | 2015-12-11 07:34:34 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@Edk2> | 2015-12-11 07:34:34 +0000 |
| commit | 6a14da57ac9737d268ee6abe156008b862146ef9 (patch) | |
| tree | ca2d870326c8f07f8a4c53c7677562fbcbd67886 /MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | |
| parent | 540afa672ba3f0236835f8ef7e2030d61e56039e (diff) | |
| download | edk2-platforms-6a14da57ac9737d268ee6abe156008b862146ef9.tar.xz | |
MdeModulePkg ScsiDiskDxe: Add BlockIO2 Support
Together with EFI_BLOCK_IO_PROTOCOL, EFI_BLOCK_IO2_PROTOCOL is installed
as well in ScsiDiskDxe.
Block I/O 2 functions are implemented:
Reset
ReadBlocksEx
WriteBlocksEx
FlushBlocksEx
(Sync patch r19215 from main trunk.)
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2015@19222 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c')
| -rw-r--r-- | MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 1436 |
1 files changed, 1428 insertions, 8 deletions
diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c index e7abe544df..d83fa24a4f 100644 --- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c +++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c @@ -239,7 +239,13 @@ ScsiDiskDriverBindingStart ( ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;
ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;
ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;
+ ScsiDiskDevice->BlkIo2.Media = &ScsiDiskDevice->BlkIoMedia;
+ ScsiDiskDevice->BlkIo2.Reset = ScsiDiskResetEx;
+ ScsiDiskDevice->BlkIo2.ReadBlocksEx = ScsiDiskReadBlocksEx;
+ ScsiDiskDevice->BlkIo2.WriteBlocksEx = ScsiDiskWriteBlocksEx;
+ ScsiDiskDevice->BlkIo2.FlushBlocksEx = ScsiDiskFlushBlocksEx;
ScsiDiskDevice->Handle = Controller;
+ InitializeListHead (&ScsiDiskDevice->BlkIo2Queue);
ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));
switch (ScsiDiskDevice->DeviceType) {
@@ -300,7 +306,8 @@ ScsiDiskDriverBindingStart ( Status = ScsiDiskDetectMedia (ScsiDiskDevice, MustReadCapacity, &Temp);
if (!EFI_ERROR (Status)) {
//
- // Determine if Block IO should be produced on this controller handle
+ // Determine if Block IO & Block IO2 should be produced on this controller
+ // handle
//
if (DetermineInstallBlockIo(Controller)) {
InitializeInstallDiskInfo(ScsiDiskDevice, Controller);
@@ -308,6 +315,8 @@ ScsiDiskDriverBindingStart ( &Controller,
&gEfiBlockIoProtocolGuid,
&ScsiDiskDevice->BlkIo,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
&gEfiDiskInfoProtocolGuid,
&ScsiDiskDevice->DiskInfo,
NULL
@@ -390,11 +399,19 @@ ScsiDiskDriverBindingStop ( return Status;
}
- ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (BlkIo);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (BlkIo);
+
+ //
+ // Wait for the BlockIo2 requests queue to become empty
+ //
+ while (!IsListEmpty (&ScsiDiskDevice->BlkIo2Queue));
+
Status = gBS->UninstallMultipleProtocolInterfaces (
Controller,
&gEfiBlockIoProtocolGuid,
&ScsiDiskDevice->BlkIo,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
&gEfiDiskInfoProtocolGuid,
&ScsiDiskDevice->DiskInfo,
NULL
@@ -443,7 +460,7 @@ ScsiDiskReset ( OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);
Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);
@@ -505,7 +522,7 @@ ScsiDiskReadBlocks ( MediaChange = FALSE;
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);
if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
@@ -522,6 +539,12 @@ ScsiDiskReadBlocks ( &ScsiDiskDevice->BlkIo,
&ScsiDiskDevice->BlkIo
);
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
+ &ScsiDiskDevice->BlkIo2
+ );
Status = EFI_MEDIA_CHANGED;
goto Done;
}
@@ -623,7 +646,7 @@ ScsiDiskWriteBlocks ( MediaChange = FALSE;
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
- ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);
if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
@@ -640,6 +663,12 @@ ScsiDiskWriteBlocks ( &ScsiDiskDevice->BlkIo,
&ScsiDiskDevice->BlkIo
);
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
+ &ScsiDiskDevice->BlkIo2
+ );
Status = EFI_MEDIA_CHANGED;
goto Done;
}
@@ -726,6 +755,392 @@ ScsiDiskFlushBlocks ( /**
+ Reset SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO2_PROTOCOL.
+ @param ExtendedVerification The flag about if extend verificate.
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+ @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiDiskResetEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ EFI_TPL OldTpl;
+ SCSI_DISK_DEV *ScsiDiskDevice;
+ EFI_STATUS Status;
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);
+
+ Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);
+
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+ if (!ExtendedVerification) {
+ goto Done;
+ }
+
+ Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);
+
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ The function is to Read Block from SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL.
+ @param MediaId The Id of Media detected.
+ @param Lba The logic block address.
+ @param Token A pointer to the token associated with the transaction.
+ @param BufferSize The size of Buffer.
+ @param Buffer The buffer to fill the read out data.
+
+ @retval EFI_SUCCESS The read request was queued if Token-> Event is
+ not NULL. The data was read correctly from the
+ device if theToken-> Event is NULL.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting
+ to perform the read operation.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
+ @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
+ the intrinsic block size of the device.
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
+ valid, or the buffer is not on proper
+ alignment.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ lack of resources.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiDiskReadBlocksEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ )
+{
+ SCSI_DISK_DEV *ScsiDiskDevice;
+ EFI_BLOCK_IO_MEDIA *Media;
+ EFI_STATUS Status;
+ UINTN BlockSize;
+ UINTN NumberOfBlocks;
+ BOOLEAN MediaChange;
+ EFI_TPL OldTpl;
+
+ MediaChange = FALSE;
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);
+
+ if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
+
+ Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+ if (MediaChange) {
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIoProtocolGuid,
+ &ScsiDiskDevice->BlkIo,
+ &ScsiDiskDevice->BlkIo
+ );
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
+ &ScsiDiskDevice->BlkIo2
+ );
+ Status = EFI_MEDIA_CHANGED;
+ goto Done;
+ }
+ }
+ //
+ // Get the intrinsic block size
+ //
+ Media = ScsiDiskDevice->BlkIo2.Media;
+ BlockSize = Media->BlockSize;
+
+ NumberOfBlocks = BufferSize / BlockSize;
+
+ if (!(Media->MediaPresent)) {
+ Status = EFI_NO_MEDIA;
+ goto Done;
+ }
+
+ if (MediaId != Media->MediaId) {
+ Status = EFI_MEDIA_CHANGED;
+ goto Done;
+ }
+
+ if (Buffer == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if (BufferSize == 0) {
+ if ((Token != NULL) && (Token->Event != NULL)) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ gBS->SignalEvent (Token->Event);
+ }
+
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+
+ if (BufferSize % BlockSize != 0) {
+ Status = EFI_BAD_BUFFER_SIZE;
+ goto Done;
+ }
+
+ if (Lba > Media->LastBlock) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ //
+ // If all the parameters are valid, then perform read sectors command
+ // to transfer data from device to host.
+ //
+ if ((Token != NULL) && (Token->Event != NULL)) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ Status = ScsiDiskAsyncReadSectors (
+ ScsiDiskDevice,
+ Buffer,
+ Lba,
+ NumberOfBlocks,
+ Token
+ );
+ } else {
+ Status = ScsiDiskReadSectors (
+ ScsiDiskDevice,
+ Buffer,
+ Lba,
+ NumberOfBlocks
+ );
+ }
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ The function is to Write Block to SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL.
+ @param MediaId The Id of Media detected.
+ @param Lba The logic block address.
+ @param Token A pointer to the token associated with the transaction.
+ @param BufferSize The size of Buffer.
+ @param Buffer The buffer to fill the read out data.
+
+ @retval EFI_SUCCESS The data were written correctly to the device.
+ @retval EFI_WRITE_PROTECTED The device cannot be written to.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting
+ to perform the write operation.
+ @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
+ the intrinsic block size of the device.
+ @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not
+ valid, or the buffer is not on proper
+ alignment.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiDiskWriteBlocksEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ )
+{
+ SCSI_DISK_DEV *ScsiDiskDevice;
+ EFI_BLOCK_IO_MEDIA *Media;
+ EFI_STATUS Status;
+ UINTN BlockSize;
+ UINTN NumberOfBlocks;
+ BOOLEAN MediaChange;
+ EFI_TPL OldTpl;
+
+ MediaChange = FALSE;
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);
+
+ if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
+
+ Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+ if (MediaChange) {
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIoProtocolGuid,
+ &ScsiDiskDevice->BlkIo,
+ &ScsiDiskDevice->BlkIo
+ );
+ gBS->ReinstallProtocolInterface (
+ ScsiDiskDevice->Handle,
+ &gEfiBlockIo2ProtocolGuid,
+ &ScsiDiskDevice->BlkIo2,
+ &ScsiDiskDevice->BlkIo2
+ );
+ Status = EFI_MEDIA_CHANGED;
+ goto Done;
+ }
+ }
+ //
+ // Get the intrinsic block size
+ //
+ Media = ScsiDiskDevice->BlkIo2.Media;
+ BlockSize = Media->BlockSize;
+
+ NumberOfBlocks = BufferSize / BlockSize;
+
+ if (!(Media->MediaPresent)) {
+ Status = EFI_NO_MEDIA;
+ goto Done;
+ }
+
+ if (MediaId != Media->MediaId) {
+ Status = EFI_MEDIA_CHANGED;
+ goto Done;
+ }
+
+ if (BufferSize == 0) {
+ if ((Token != NULL) && (Token->Event != NULL)) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ gBS->SignalEvent (Token->Event);
+ }
+
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+
+ if (Buffer == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if (BufferSize % BlockSize != 0) {
+ Status = EFI_BAD_BUFFER_SIZE;
+ goto Done;
+ }
+
+ if (Lba > Media->LastBlock) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ //
+ // if all the parameters are valid, then perform write sectors command
+ // to transfer data from device to host.
+ //
+ if ((Token != NULL) && (Token->Event != NULL)) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ Status = ScsiDiskAsyncWriteSectors (
+ ScsiDiskDevice,
+ Buffer,
+ Lba,
+ NumberOfBlocks,
+ Token
+ );
+ } else {
+ Status = ScsiDiskWriteSectors (
+ ScsiDiskDevice,
+ Buffer,
+ Lba,
+ NumberOfBlocks
+ );
+ }
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Flush the Block Device.
+
+ @param This Indicates a pointer to the calling context.
+ @param Token A pointer to the token associated with the transaction.
+
+ @retval EFI_SUCCESS All outstanding data was written to the device.
+ @retval EFI_DEVICE_ERROR The device reported an error while writing back the
+ data.
+ @retval EFI_NO_MEDIA There is no media in the device.
+
+**/
+EFI_STATUS
+EFIAPI
+ScsiDiskFlushBlocksEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ //
+ // Signal event and return directly.
+ //
+ if ((Token != NULL) && (Token->Event != NULL)) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ gBS->SignalEvent (Token->Event);
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
Detect Device and read out capacity ,if error occurs, parse the sense key.
@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
@@ -2050,6 +2465,328 @@ ScsiDiskWriteSectors ( return EFI_SUCCESS;
}
+/**
+ Asynchronously read sector from SCSI Disk.
+
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.
+ @param Buffer The buffer to fill in the read out data.
+ @param Lba Logic block address.
+ @param NumberOfBlocks The number of blocks to read.
+ @param Token A pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL.
+ @retval EFI_DEVICE_ERROR Indicates a device error.
+ @retval EFI_SUCCESS Operation is successful.
+
+**/
+EFI_STATUS
+ScsiDiskAsyncReadSectors (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT VOID *Buffer,
+ IN EFI_LBA Lba,
+ IN UINTN NumberOfBlocks,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ UINTN BlocksRemaining;
+ UINT8 *PtrBuffer;
+ UINT32 BlockSize;
+ UINT32 ByteCount;
+ UINT32 MaxBlock;
+ UINT32 SectorCount;
+ UINT64 Timeout;
+ SCSI_BLKIO2_REQUEST *BlkIo2Req;
+ EFI_STATUS Status;
+
+ if ((Token == NULL) || (Token->Event == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));
+ if (BlkIo2Req == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ BlkIo2Req->Token = Token;
+ InsertTailList (&ScsiDiskDevice->BlkIo2Queue, &BlkIo2Req->Link);
+ InitializeListHead (&BlkIo2Req->ScsiRWQueue);
+
+ Status = EFI_SUCCESS;
+
+ BlocksRemaining = NumberOfBlocks;
+ BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;
+
+ //
+ // Limit the data bytes that can be transferred by one Read(10) or Read(16)
+ // Command
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ MaxBlock = 0xFFFF;
+ } else {
+ MaxBlock = 0xFFFFFFFF;
+ }
+
+ PtrBuffer = Buffer;
+
+ while (BlocksRemaining > 0) {
+
+ if (BlocksRemaining <= MaxBlock) {
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ SectorCount = (UINT16) BlocksRemaining;
+ } else {
+ SectorCount = (UINT32) BlocksRemaining;
+ }
+ } else {
+ SectorCount = MaxBlock;
+ }
+
+ ByteCount = SectorCount * BlockSize;
+ //
+ // |------------------------|-----------------|------------------|-----------------|
+ // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ //
+ // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,
+ // we have to use the lowest transfer rate to calculate the possible
+ // maximum timeout value for each operation.
+ // From the above table, we could know 2.1Mbytes per second is lowest one.
+ // The timout value is rounded up to nearest integar and here an additional
+ // 30s is added to follow ATA spec in which it mentioned that the device
+ // may take up to 30s to respond commands in the Standby/Idle mode.
+ //
+ Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);
+
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncRead10 (
+ ScsiDiskDevice,
+ Timeout,
+ PtrBuffer,
+ ByteCount,
+ (UINT32) Lba,
+ SectorCount,
+ BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncRead16 (
+ ScsiDiskDevice,
+ Timeout,
+ PtrBuffer,
+ ByteCount,
+ Lba,
+ SectorCount,
+ BlkIo2Req,
+ Token
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ //
+ // Free the SCSI_BLKIO2_REQUEST structure only when the first SCSI
+ // command fails. Otherwise, it will be freed in the callback function
+ // ScsiDiskNotify().
+ //
+ if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {
+ RemoveEntryList (&BlkIo2Req->Link);
+ FreePool (BlkIo2Req);
+ }
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Sectors submitted for transfer
+ //
+ SectorCount = ByteCount / BlockSize;
+
+ Lba += SectorCount;
+ PtrBuffer = PtrBuffer + SectorCount * BlockSize;
+ BlocksRemaining -= SectorCount;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Asynchronously write sector to SCSI Disk.
+
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.
+ @param Buffer The buffer of data to be written into SCSI Disk.
+ @param Lba Logic block address.
+ @param NumberOfBlocks The number of blocks to read.
+ @param Token A pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL
+ @retval EFI_DEVICE_ERROR Indicates a device error.
+ @retval EFI_SUCCESS Operation is successful.
+
+**/
+EFI_STATUS
+ScsiDiskAsyncWriteSectors (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN VOID *Buffer,
+ IN EFI_LBA Lba,
+ IN UINTN NumberOfBlocks,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ UINTN BlocksRemaining;
+ UINT8 *PtrBuffer;
+ UINT32 BlockSize;
+ UINT32 ByteCount;
+ UINT32 MaxBlock;
+ UINT32 SectorCount;
+ UINT64 Timeout;
+ SCSI_BLKIO2_REQUEST *BlkIo2Req;
+ EFI_STATUS Status;
+
+ if ((Token == NULL) || (Token->Event == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));
+ if (BlkIo2Req == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ BlkIo2Req->Token = Token;
+ InsertTailList (&ScsiDiskDevice->BlkIo2Queue, &BlkIo2Req->Link);
+ InitializeListHead (&BlkIo2Req->ScsiRWQueue);
+
+ Status = EFI_SUCCESS;
+
+ BlocksRemaining = NumberOfBlocks;
+ BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;
+
+ //
+ // Limit the data bytes that can be transferred by one Read(10) or Read(16)
+ // Command
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ MaxBlock = 0xFFFF;
+ } else {
+ MaxBlock = 0xFFFFFFFF;
+ }
+
+ PtrBuffer = Buffer;
+
+ while (BlocksRemaining > 0) {
+
+ if (BlocksRemaining <= MaxBlock) {
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ SectorCount = (UINT16) BlocksRemaining;
+ } else {
+ SectorCount = (UINT32) BlocksRemaining;
+ }
+ } else {
+ SectorCount = MaxBlock;
+ }
+
+ ByteCount = SectorCount * BlockSize;
+ //
+ // |------------------------|-----------------|------------------|-----------------|
+ // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |
+ // |------------------------|-----------------|------------------|-----------------|
+ //
+ // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,
+ // we have to use the lowest transfer rate to calculate the possible
+ // maximum timeout value for each operation.
+ // From the above table, we could know 2.1Mbytes per second is lowest one.
+ // The timout value is rounded up to nearest integar and here an additional
+ // 30s is added to follow ATA spec in which it mentioned that the device
+ // may take up to 30s to respond commands in the Standby/Idle mode.
+ //
+ Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);
+
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncWrite10 (
+ ScsiDiskDevice,
+ Timeout,
+ PtrBuffer,
+ ByteCount,
+ (UINT32) Lba,
+ SectorCount,
+ BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncWrite16 (
+ ScsiDiskDevice,
+ Timeout,
+ PtrBuffer,
+ ByteCount,
+ Lba,
+ SectorCount,
+ BlkIo2Req,
+ Token
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ //
+ // Free the SCSI_BLKIO2_REQUEST structure only when the first SCSI
+ // command fails. Otherwise, it will be freed in the callback function
+ // ScsiDiskNotify().
+ //
+ if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {
+ RemoveEntryList (&BlkIo2Req->Link);
+ FreePool (BlkIo2Req);
+ }
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Sectors submitted for transfer
+ //
+ SectorCount = ByteCount / BlockSize;
+
+ Lba += SectorCount;
+ PtrBuffer = PtrBuffer + SectorCount * BlockSize;
+ BlocksRemaining -= SectorCount;
+ }
+
+ return EFI_SUCCESS;
+}
+
/**
Submit Read(10) command.
@@ -2547,6 +3284,689 @@ BackOff: /**
+ Internal helper notify function in which determine whether retry of a SCSI
+ Read/Write command is needed and signal the event passed from Block I/O(2) if
+ the SCSI I/O operation completes.
+
+ @param Event The instance of EFI_EVENT.
+ @param Context The parameter passed in.
+
+**/
+VOID
+EFIAPI
+ScsiDiskNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ SCSI_ASYNC_RW_REQUEST *Request;
+ SCSI_DISK_DEV *ScsiDiskDevice;
+ EFI_BLOCK_IO2_TOKEN *Token;
+ UINTN Action;
+ UINT32 OldDataLength;
+ UINT32 OldSectorCount;
+ UINT8 MaxRetry;
+
+ gBS->CloseEvent (Event);
+
+ Request = (SCSI_ASYNC_RW_REQUEST *) Context;
+ ScsiDiskDevice = Request->ScsiDiskDevice;
+ Token = Request->BlkIo2Req->Token;
+ OldDataLength = Request->DataLength;
+ OldSectorCount = Request->SectorCount;
+ MaxRetry = 2;
+
+ //
+ // If previous sub-tasks already fails, no need to process this sub-task.
+ //
+ if (Token->TransactionStatus != EFI_SUCCESS) {
+ goto Exit;
+ }
+
+ //
+ // Check HostAdapterStatus and TargetStatus
+ // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)
+ //
+ Status = CheckHostAdapterStatus (Request->HostAdapterStatus);
+ if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {
+ if (++Request->TimesRetry > MaxRetry) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ } else {
+ goto Retry;
+ }
+ } else if (Status == EFI_DEVICE_ERROR) {
+ //
+ // reset the scsi channel
+ //
+ ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+
+ Status = CheckTargetStatus (Request->TargetStatus);
+ if (Status == EFI_NOT_READY) {
+ //
+ // reset the scsi device
+ //
+ ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);
+ if (++Request->TimesRetry > MaxRetry) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ } else {
+ goto Retry;
+ }
+ } else if (Status == EFI_DEVICE_ERROR) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+
+ if (Request->TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) {
+ DEBUG ((EFI_D_ERROR, "ScsiDiskNotify: Check Condition happened!\n"));
+
+ Status = DetectMediaParsingSenseKeys (
+ ScsiDiskDevice,
+ Request->SenseData,
+ Request->SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA),
+ &Action
+ );
+ if (Action == ACTION_RETRY_COMMAND_LATER) {
+ if (++Request->TimesRetry > MaxRetry) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ } else {
+ goto Retry;
+ }
+ } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {
+ if (Request->SectorCount <= 1) {
+ //
+ // Jump out if the operation still fails with one sector transfer
+ // length.
+ //
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+ //
+ // Try again with two half length request if the sense data shows we need
+ // to retry.
+ //
+ Request->SectorCount >>= 1;
+ Request->DataLength = Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;
+ Request->TimesRetry = 0;
+
+ goto Retry;
+ } else {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+ }
+
+ //
+ // This sub-task succeeds, no need to retry.
+ //
+ goto Exit;
+
+Retry:
+ if (Request->InBuffer != NULL) {
+ //
+ // SCSI read command
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncRead10 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->InBuffer,
+ Request->DataLength,
+ (UINT32) Request->StartLba,
+ Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncRead16 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->InBuffer,
+ Request->DataLength,
+ Request->StartLba,
+ Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ } else if (OldSectorCount != Request->SectorCount) {
+ //
+ // Original sub-task will be split into two new sub-tasks with smaller
+ // DataLength
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncRead10 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,
+ OldDataLength - Request->DataLength,
+ (UINT32) Request->StartLba + Request->SectorCount,
+ OldSectorCount - Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncRead16 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,
+ OldDataLength - Request->DataLength,
+ Request->StartLba + Request->SectorCount,
+ OldSectorCount - Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+ }
+ } else {
+ //
+ // SCSI write command
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncWrite10 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->OutBuffer,
+ Request->DataLength,
+ (UINT32) Request->StartLba,
+ Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncWrite16 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->OutBuffer,
+ Request->DataLength,
+ Request->StartLba,
+ Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ } else if (OldSectorCount != Request->SectorCount) {
+ //
+ // Original sub-task will be split into two new sub-tasks with smaller
+ // DataLength
+ //
+ if (!ScsiDiskDevice->Cdb16Byte) {
+ Status = ScsiDiskAsyncWrite10 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,
+ OldDataLength - Request->DataLength,
+ (UINT32) Request->StartLba + Request->SectorCount,
+ OldSectorCount - Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ } else {
+ Status = ScsiDiskAsyncWrite16 (
+ ScsiDiskDevice,
+ Request->Timeout,
+ Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,
+ OldDataLength - Request->DataLength,
+ Request->StartLba + Request->SectorCount,
+ OldSectorCount - Request->SectorCount,
+ Request->BlkIo2Req,
+ Token
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ Token->TransactionStatus = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+ }
+ }
+
+Exit:
+ RemoveEntryList (&Request->Link);
+ if (IsListEmpty (&Request->BlkIo2Req->ScsiRWQueue)) {
+ //
+ // The last SCSI R/W command of a BlockIo2 request completes
+ //
+ RemoveEntryList (&Request->BlkIo2Req->Link);
+ FreePool (Request->BlkIo2Req); // Should be freed only once
+ gBS->SignalEvent (Token->Event);
+ }
+
+ FreePool (Request->SenseData);
+ FreePool (Request);
+}
+
+
+/**
+ Submit Async Read(10) command.
+
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice.
+ @param Timeout The time to complete the command.
+ @param DataBuffer The buffer to fill with the read out data.
+ @param DataLength The length of buffer.
+ @param StartLba The start logic block address.
+ @param SectorCount The number of blocks to read.
+ @param BlkIo2Req The upstream BlockIo2 request.
+ @param Token The pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ lack of resources.
+ @return others Status returned by calling
+ ScsiRead10CommandEx().
+
+**/
+EFI_STATUS
+ScsiDiskAsyncRead10 (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN UINT64 Timeout,
+ OUT UINT8 *DataBuffer,
+ IN UINT32 DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorCount,
+ IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ EFI_STATUS Status;
+ SCSI_ASYNC_RW_REQUEST *Request;
+ EFI_EVENT AsyncIoEvent;
+
+ Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));
+ if (Request == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);
+
+ Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));
+ Request->SenseData = AllocateZeroPool (Request->SenseDataLength);
+ if (Request->SenseData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Request->ScsiDiskDevice = ScsiDiskDevice;
+ Request->Timeout = Timeout;
+ Request->InBuffer = DataBuffer;
+ Request->DataLength = DataLength;
+ Request->StartLba = StartLba;
+ Request->SectorCount = SectorCount;
+ Request->BlkIo2Req = BlkIo2Req;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiDiskNotify,
+ Request,
+ &AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ Status = ScsiRead10CommandEx (
+ ScsiDiskDevice->ScsiIo,
+ Request->Timeout,
+ Request->SenseData,
+ &Request->SenseDataLength,
+ &Request->HostAdapterStatus,
+ &Request->TargetStatus,
+ Request->InBuffer,
+ &Request->DataLength,
+ (UINT32) Request->StartLba,
+ Request->SectorCount,
+ AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return EFI_SUCCESS;
+
+ErrorExit:
+ if (Request != NULL) {
+ if (Request->SenseData != NULL) {
+ FreePool (Request->SenseData);
+ }
+
+ RemoveEntryList (&Request->Link);
+ FreePool (Request);
+ }
+
+ return Status;
+}
+
+
+/**
+ Submit Async Write(10) command.
+
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice.
+ @param Timeout The time to complete the command.
+ @param DataBuffer The buffer contains the data to write.
+ @param DataLength The length of buffer.
+ @param StartLba The start logic block address.
+ @param SectorCount The number of blocks to write.
+ @param BlkIo2Req The upstream BlockIo2 request.
+ @param Token The pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ lack of resources.
+ @return others Status returned by calling
+ ScsiWrite10CommandEx().
+
+**/
+EFI_STATUS
+ScsiDiskAsyncWrite10 (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN UINT64 Timeout,
+ IN UINT8 *DataBuffer,
+ IN UINT32 DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorCount,
+ IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ EFI_STATUS Status;
+ SCSI_ASYNC_RW_REQUEST *Request;
+ EFI_EVENT AsyncIoEvent;
+
+ Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));
+ if (Request == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);
+
+ Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));
+ Request->SenseData = AllocateZeroPool (Request->SenseDataLength);
+ if (Request->SenseData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Request->ScsiDiskDevice = ScsiDiskDevice;
+ Request->Timeout = Timeout;
+ Request->OutBuffer = DataBuffer;
+ Request->DataLength = DataLength;
+ Request->StartLba = StartLba;
+ Request->SectorCount = SectorCount;
+ Request->BlkIo2Req = BlkIo2Req;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiDiskNotify,
+ Request,
+ &AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ Status = ScsiWrite10CommandEx (
+ ScsiDiskDevice->ScsiIo,
+ Request->Timeout,
+ Request->SenseData,
+ &Request->SenseDataLength,
+ &Request->HostAdapterStatus,
+ &Request->TargetStatus,
+ Request->OutBuffer,
+ &Request->DataLength,
+ (UINT32) Request->StartLba,
+ Request->SectorCount,
+ AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return EFI_SUCCESS;
+
+ErrorExit:
+ if (Request != NULL) {
+ if (Request->SenseData != NULL) {
+ FreePool (Request->SenseData);
+ }
+
+ RemoveEntryList (&Request->Link);
+ FreePool (Request);
+ }
+
+ return Status;
+}
+
+
+/**
+ Submit Async Read(16) command.
+
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice.
+ @param Timeout The time to complete the command.
+ @param DataBuffer The buffer to fill with the read out data.
+ @param DataLength The length of buffer.
+ @param StartLba The start logic block address.
+ @param SectorCount The number of blocks to read.
+ @param BlkIo2Req The upstream BlockIo2 request.
+ @param Token The pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ lack of resources.
+ @return others Status returned by calling
+ ScsiRead16CommandEx().
+
+**/
+EFI_STATUS
+ScsiDiskAsyncRead16 (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN UINT64 Timeout,
+ OUT UINT8 *DataBuffer,
+ IN UINT32 DataLength,
+ IN UINT64 StartLba,
+ IN UINT32 SectorCount,
+ IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ EFI_STATUS Status;
+ SCSI_ASYNC_RW_REQUEST *Request;
+ EFI_EVENT AsyncIoEvent;
+
+ Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));
+ if (Request == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);
+
+ Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));
+ Request->SenseData = AllocateZeroPool (Request->SenseDataLength);
+ if (Request->SenseData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Request->ScsiDiskDevice = ScsiDiskDevice;
+ Request->Timeout = Timeout;
+ Request->InBuffer = DataBuffer;
+ Request->DataLength = DataLength;
+ Request->StartLba = StartLba;
+ Request->SectorCount = SectorCount;
+ Request->BlkIo2Req = BlkIo2Req;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiDiskNotify,
+ Request,
+ &AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ Status = ScsiRead16CommandEx (
+ ScsiDiskDevice->ScsiIo,
+ Request->Timeout,
+ Request->SenseData,
+ &Request->SenseDataLength,
+ &Request->HostAdapterStatus,
+ &Request->TargetStatus,
+ Request->InBuffer,
+ &Request->DataLength,
+ Request->StartLba,
+ Request->SectorCount,
+ AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return EFI_SUCCESS;
+
+ErrorExit:
+ if (Request != NULL) {
+ if (Request->SenseData != NULL) {
+ FreePool (Request->SenseData);
+ }
+
+ RemoveEntryList (&Request->Link);
+ FreePool (Request);
+ }
+
+ return Status;
+}
+
+
+/**
+ Submit Async Write(16) command.
+
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice.
+ @param Timeout The time to complete the command.
+ @param DataBuffer The buffer contains the data to write.
+ @param DataLength The length of buffer.
+ @param StartLba The start logic block address.
+ @param SectorCount The number of blocks to write.
+ @param BlkIo2Req The upstream BlockIo2 request.
+ @param Token The pointer to the token associated with the
+ non-blocking read request.
+
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ lack of resources.
+ @return others Status returned by calling
+ ScsiWrite16CommandEx().
+
+**/
+EFI_STATUS
+ScsiDiskAsyncWrite16 (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN UINT64 Timeout,
+ IN UINT8 *DataBuffer,
+ IN UINT32 DataLength,
+ IN UINT64 StartLba,
+ IN UINT32 SectorCount,
+ IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,
+ IN EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ EFI_STATUS Status;
+ SCSI_ASYNC_RW_REQUEST *Request;
+ EFI_EVENT AsyncIoEvent;
+
+ Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));
+ if (Request == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);
+
+ Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));
+ Request->SenseData = AllocateZeroPool (Request->SenseDataLength);
+ if (Request->SenseData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ Request->ScsiDiskDevice = ScsiDiskDevice;
+ Request->Timeout = Timeout;
+ Request->OutBuffer = DataBuffer;
+ Request->DataLength = DataLength;
+ Request->StartLba = StartLba;
+ Request->SectorCount = SectorCount;
+ Request->BlkIo2Req = BlkIo2Req;
+
+ //
+ // Create Event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ ScsiDiskNotify,
+ Request,
+ &AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ Status = ScsiWrite16CommandEx (
+ ScsiDiskDevice->ScsiIo,
+ Request->Timeout,
+ Request->SenseData,
+ &Request->SenseDataLength,
+ &Request->HostAdapterStatus,
+ &Request->TargetStatus,
+ Request->OutBuffer,
+ &Request->DataLength,
+ Request->StartLba,
+ Request->SectorCount,
+ AsyncIoEvent
+ );
+ if (EFI_ERROR(Status)) {
+ goto ErrorExit;
+ }
+
+ return EFI_SUCCESS;
+
+ErrorExit:
+ if (Request != NULL) {
+ if (Request->SenseData != NULL) {
+ FreePool (Request->SenseData);
+ }
+
+ RemoveEntryList (&Request->Link);
+ FreePool (Request);
+ }
+
+ return Status;
+}
+
+
+/**
Check sense key to find if media presents.
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
@@ -2932,13 +4352,13 @@ ReleaseScsiDiskDeviceResources ( }
/**
- Determine if Block Io should be produced.
+ Determine if Block Io & Block Io2 should be produced.
@param ChildHandle Child Handle to retrieve Parent information.
- @retval TRUE Should produce Block Io.
- @retval FALSE Should not produce Block Io.
+ @retval TRUE Should produce Block Io & Block Io2.
+ @retval FALSE Should not produce Block Io & Block Io2.
**/
BOOLEAN
|