diff options
Diffstat (limited to 'MdeModulePkg/Bus/Ata/AtaBusDxe')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c | 294 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h | 237 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf | 3 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c | 321 |
4 files changed, 750 insertions, 105 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c index a3c0670c98..437eca725c 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c @@ -44,6 +44,13 @@ ATA_DEVICE gAtaDeviceTemplate = { AtaBlockIoWriteBlocks,
AtaBlockIoFlushBlocks
},
+ { // BlockIo2
+ NULL,
+ AtaBlockIoResetEx,
+ AtaBlockIoReadBlocksEx,
+ AtaBlockIoWriteBlocksEx,
+ AtaBlockIoFlushBlocksEx
+ },
{ // BlockMedia
0, // MediaId
FALSE, // RemovableMedia
@@ -75,7 +82,8 @@ ATA_DEVICE gAtaDeviceTemplate = { FALSE, // Lba48Bit
NULL, // IdentifyData
NULL, // ControllerNameTable
- {L'\0', } // ModelName
+ {L'\0', }, // ModelName
+ {NULL, NULL} // AtaTaskList
};
/**
@@ -135,12 +143,34 @@ ReleaseAtaResources ( IN ATA_DEVICE *AtaDevice
)
{
+ ATA_BUS_ASYN_TASK *Task;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *DelEntry;
+ EFI_TPL OldTpl;
+
FreeUnicodeStringTable (AtaDevice->ControllerNameTable);
FreeAlignedBuffer (AtaDevice->Asb, sizeof (*AtaDevice->Asb));
FreeAlignedBuffer (AtaDevice->IdentifyData, sizeof (*AtaDevice->IdentifyData));
if (AtaDevice->DevicePath != NULL) {
FreePool (AtaDevice->DevicePath);
}
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ if (!IsListEmpty (&AtaDevice->AtaTaskList)) {
+ //
+ // Free the Subtask list.
+ //
+ for(Entry = (&AtaDevice->AtaTaskList)->ForwardLink;
+ Entry != (&AtaDevice->AtaTaskList);
+ ) {
+ DelEntry = Entry;
+ Entry = Entry->ForwardLink;
+ Task = ATA_AYNS_TASK_FROM_ENTRY (DelEntry);
+
+ RemoveEntryList (DelEntry);
+ FreeAtaSubTask (Task);
+ }
+ }
+ gBS->RestoreTPL (OldTpl);
FreePool (AtaDevice);
}
@@ -218,10 +248,11 @@ RegisterAtaDevice ( //
// Initializes ATA device structures and allocates the required buffer.
//
- AtaDevice->BlockIo.Media = &AtaDevice->BlockMedia;
- AtaDevice->AtaBusDriverData = AtaBusDriverData;
- AtaDevice->DevicePath = DevicePath;
- AtaDevice->Port = Port;
+ AtaDevice->BlockIo.Media = &AtaDevice->BlockMedia;
+ AtaDevice->BlockIo2.Media = &AtaDevice->BlockMedia;
+ AtaDevice->AtaBusDriverData = AtaBusDriverData;
+ AtaDevice->DevicePath = DevicePath;
+ AtaDevice->Port = Port;
AtaDevice->PortMultiplierPort = PortMultiplierPort;
AtaDevice->Asb = AllocateAlignedBuffer (AtaDevice, sizeof (*AtaDevice->Asb));
if (AtaDevice->Asb == NULL) {
@@ -235,13 +266,18 @@ RegisterAtaDevice ( }
//
+ // Initial Ata Task List
+ //
+ InitializeListHead (&AtaDevice->AtaTaskList);
+
+ //
// Try to identify the ATA device via the ATA pass through command.
//
Status = DiscoverAtaDevice (AtaDevice);
if (EFI_ERROR (Status)) {
goto Done;
}
-
+
//
// Build controller name for Component Name (2) protocol.
//
@@ -281,6 +317,8 @@ RegisterAtaDevice ( AtaDevice->DevicePath,
&gEfiBlockIoProtocolGuid,
&AtaDevice->BlockIo,
+ &gEfiBlockIo2ProtocolGuid,
+ &AtaDevice->BlockIo2,
&gEfiDiskInfoProtocolGuid,
&AtaDevice->DiskInfo,
NULL
@@ -334,8 +372,11 @@ UnregisterAtaDevice ( {
EFI_STATUS Status;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
+ EFI_BLOCK_IO2_PROTOCOL *BlockIo2;
ATA_DEVICE *AtaDevice;
EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru;
+ BlockIo2 = NULL;
+ BlockIo = NULL;
Status = gBS->OpenProtocol (
Handle,
@@ -346,10 +387,30 @@ UnregisterAtaDevice ( EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
- return Status;
+ //
+ // Locate BlockIo2 protocol
+ //
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiBlockIo2ProtocolGuid,
+ (VOID **) &BlockIo2,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
}
- AtaDevice = ATA_DEVICE_FROM_BLOCK_IO (BlockIo);
+ //
+ // Get AtaDevice data.
+ //
+ if (BlockIo != NULL) {
+ AtaDevice = ATA_DEVICE_FROM_BLOCK_IO (BlockIo);
+ } else {
+ AtaDevice = ATA_DEVICE_FROM_BLOCK_IO2 (BlockIo2);
+ }
//
// Close the child handle
@@ -361,12 +422,18 @@ UnregisterAtaDevice ( Handle
);
+ //
+ // The Ata Bus driver installs the BlockIo and BlockIo2 in the DriverBindingStart().
+ // Here should uninstall both of them.
+ //
Status = gBS->UninstallMultipleProtocolInterfaces (
Handle,
&gEfiDevicePathProtocolGuid,
AtaDevice->DevicePath,
&gEfiBlockIoProtocolGuid,
&AtaDevice->BlockIo,
+ &gEfiBlockIo2ProtocolGuid,
+ &AtaDevice->BlockIo2,
&gEfiDiskInfoProtocolGuid,
&AtaDevice->DiskInfo,
NULL
@@ -385,7 +452,6 @@ UnregisterAtaDevice ( }
ReleaseAtaResources (AtaDevice);
-
return Status;
}
@@ -446,7 +512,7 @@ AtaBusDriverBindingSupported ( EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru;
UINT16 Port;
UINT16 PortMultiplierPort;
-
+
//
// Test EFI_ATA_PASS_THRU_PROTOCOL on controller handle.
//
@@ -522,7 +588,7 @@ AtaBusDriverBindingSupported ( @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For a bus driver, if this parameter is NULL, then handles
- for all the children of Controller are created by this driver.
+ for all the children of Controller are created by this driver.
If this parameter is not NULL and the first Device Path Node is
not the End of Device Path Node, then only the handle for the
child device specified by the first Device Path Node of
@@ -589,7 +655,7 @@ AtaBusDriverBindingStart ( }
AtaBusDriverData->AtaPassThru = AtaPassThru;
- AtaBusDriverData->Controller = Controller;
+ AtaBusDriverData->Controller = Controller;
AtaBusDriverData->ParentDevicePath = ParentDevicePath;
AtaBusDriverData->DriverBindingHandle = This->DriverBindingHandle;
@@ -628,7 +694,7 @@ AtaBusDriverBindingStart ( //
break;
}
-
+
PortMultiplierPort = 0xFFFF;
while (TRUE) {
Status = AtaPassThru->GetNextDevice (AtaPassThru, Port, &PortMultiplierPort);
@@ -649,7 +715,7 @@ AtaBusDriverBindingStart ( Status = RegisterAtaDevice (AtaBusDriverData,Port, PortMultiplierPort);
}
}
-
+
return Status;
ErrorExit:
@@ -789,7 +855,7 @@ AtaBlockIoReset ( AtaDevice = ATA_DEVICE_FROM_BLOCK_IO (This);
- Status = ResetAtaDevice (AtaDevice);
+ Status = ResetAtaDevice (AtaDevice);
if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR;
@@ -803,13 +869,18 @@ AtaBlockIoReset ( /**
Read/Write BufferSize bytes from Lba from/into Buffer.
- @param This Indicates a pointer to the calling context.
- @param MediaId The media ID that the read/write request is for.
- @param Lba The starting logical block address to be read/written. The caller is
- responsible for reading/writing to only legitimate locations.
- @param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Buffer A pointer to the destination/source buffer for the data.
- @param IsWrite Indicates whether it is a write operation.
+ @param[in] This Indicates a pointer to the calling context. Either be
+ block I/O or block I/O2.
+ @param[in] MediaId The media ID that the read/write request is for.
+ @param[in] Lba The starting logical block address to be read/written.
+ The caller is responsible for reading/writing to only
+ legitimate locations.
+ @param[in, out] Token A pointer to the token associated with the transaction.
+ @param[in] BufferSize Size of Buffer, must be a multiple of device block size.
+ @param[out] Buffer A pointer to the destination/source buffer for the data.
+ @param[in] IsBlockIo2 Indicate the calling is from BlockIO or BlockIO2. TURE is
+ from BlockIO2, FALSE is for BlockIO.
+ @param[in] IsWrite Indicates whether it is a write operation.
@retval EFI_SUCCESS The data was read/written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be read/written to.
@@ -823,12 +894,14 @@ AtaBlockIoReset ( **/
EFI_STATUS
BlockIoReadWrite (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- OUT VOID *Buffer,
- IN BOOLEAN IsWrite
+ IN VOID *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer,
+ IN BOOLEAN IsBlockIo2,
+ IN BOOLEAN IsWrite
)
{
ATA_DEVICE *AtaDevice;
@@ -839,21 +912,28 @@ BlockIoReadWrite ( UINTN NumberOfBlocks;
UINTN IoAlign;
- //
- // Check parameters.
- //
- Media = This->Media;
+ if (IsBlockIo2) {
+ Media = ((EFI_BLOCK_IO2_PROTOCOL *) This)->Media;
+ AtaDevice = ATA_DEVICE_FROM_BLOCK_IO2 (This);
+ } else {
+ Media = ((EFI_BLOCK_IO_PROTOCOL *) This)->Media;
+ AtaDevice = ATA_DEVICE_FROM_BLOCK_IO (This);
+ }
+
if (MediaId != Media->MediaId) {
return EFI_MEDIA_CHANGED;
}
+ //
+ // Check parameters.
+ //
if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
if (BufferSize == 0) {
return EFI_SUCCESS;
- }
+ }
BlockSize = Media->BlockSize;
if ((BufferSize % BlockSize) != 0) {
@@ -871,13 +951,11 @@ BlockIoReadWrite ( }
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- AtaDevice = ATA_DEVICE_FROM_BLOCK_IO (This);
//
// Invoke low level AtaDevice Access Routine.
//
- Status = AccessAtaDevice (AtaDevice, Buffer, Lba, NumberOfBlocks, IsWrite);
+ Status = AccessAtaDevice (AtaDevice, Buffer, Lba, NumberOfBlocks, IsWrite, Token);
gBS->RestoreTPL (OldTpl);
@@ -914,7 +992,7 @@ AtaBlockIoReadBlocks ( OUT VOID *Buffer
)
{
- return BlockIoReadWrite (This, MediaId, Lba, BufferSize, Buffer, FALSE);
+ return BlockIoReadWrite ((VOID *) This, MediaId, Lba, NULL, BufferSize, Buffer, FALSE, FALSE);
}
@@ -948,7 +1026,7 @@ AtaBlockIoWriteBlocks ( IN VOID *Buffer
)
{
- return BlockIoReadWrite (This, MediaId, Lba, BufferSize, Buffer, TRUE);
+ return BlockIoReadWrite ((VOID *) This, MediaId, Lba, NULL, BufferSize, Buffer, FALSE, TRUE);
}
@@ -974,7 +1052,147 @@ AtaBlockIoFlushBlocks ( return EFI_SUCCESS;
}
+/**
+ Reset the Block Device.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] ExtendedVerification Driver may perform diagnostics on reset.
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBlockIoResetEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ EFI_STATUS Status;
+ ATA_DEVICE *AtaDevice;
+ EFI_TPL OldTpl;
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ AtaDevice = ATA_DEVICE_FROM_BLOCK_IO2 (This);
+
+ Status = ResetAtaDevice (AtaDevice);
+
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Read BufferSize bytes from Lba into Buffer.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] MediaId Id of the media, changes every time the media is replaced.
+ @param[in] Lba The starting Logical Block Address to read from.
+ @param[in, out] Token A pointer to the token associated with the transaction.
+ @param[in] BufferSize Size of Buffer, must be a multiple of device block size.
+ @param[out] Buffer A pointer to the destination buffer for the data. The caller is
+ responsible for either having implicit or explicit ownership of the buffer.
+
+ @retval EFI_SUCCESS The read request was queued if Event is not NULL.
+ The data was read correctly from the device if
+ the Event is NULL.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing
+ the read.
+ @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
+AtaBlockIoReadBlocksEx (
+ 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
+ )
+{
+ return BlockIoReadWrite ((VOID *) This, MediaId, Lba, Token, BufferSize, Buffer, TRUE, FALSE);
+}
+
+
+/**
+ Write BufferSize bytes from Lba into Buffer.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] MediaId The media ID that the write request is for.
+ @param[in] Lba The starting logical block address to be written. The
+ caller is responsible for writing to only legitimate
+ locations.
+ @param[in, out] Token A pointer to the token associated with the transaction.
+ @param[in] BufferSize Size of Buffer, must be a multiple of device block size.
+ @param[in] Buffer A pointer to the source buffer for the data.
+ @retval EFI_SUCCESS The data was written correctly to the device.
+ @retval EFI_WRITE_PROTECTED The device can not be written to.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing the write.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the 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
+AtaBlockIoWriteBlocksEx (
+ 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
+ )
+{
+ return BlockIoReadWrite ((VOID *) This, MediaId, Lba, Token, BufferSize, Buffer, TRUE, TRUE);
+}
+
+
+/**
+ Flush the Block Device.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in, out] 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
+AtaBlockIoFlushBlocksEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
+ )
+{
+ //
+ // Signla event and return directly.
+ //
+ if (Token != NULL && Token->Event != NULL) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ gBS->SignalEvent (Token->Event);
+ }
+ return EFI_SUCCESS;
+}
/**
Provides inquiry information for the controller type.
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h index 4cda0e5cc4..4d036836e9 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h @@ -22,6 +22,7 @@ #include <Protocol/AtaPassThru.h>
#include <Protocol/BlockIo.h>
+#include <Protocol/BlockIo2.h>
#include <Protocol/DiskInfo.h>
#include <Protocol/DevicePath.h>
@@ -59,13 +60,37 @@ //
// The maximum ATA transaction sector count in 48 bit addressing mode.
//
-#define MAX_48BIT_TRANSFER_BLOCK_NUM 0x10000
+//#define MAX_48BIT_TRANSFER_BLOCK_NUM 0x10000
+
+//
+// BugBug: if the TransferLength is equal with 0x10000 (the 48bit max length),
+// there is a bug that even the register interrupt bit has been sit, the buffer
+// seems not ready. Change the Maximum Sector Numbers to 0xFFFF to work round
+// this issue.
+//
+#define MAX_48BIT_TRANSFER_BLOCK_NUM 0xFFFF
//
// The maximum model name in ATA identify data
//
#define MAX_MODEL_NAME_LEN 40
+#define ATA_TASK_SIGNATURE SIGNATURE_32 ('A', 'T', 'S', 'K')
+#define ATA_DEVICE_SIGNATURE SIGNATURE_32 ('A', 'B', 'I', 'D')
+
+#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0)
+
+//
+// Task for the non blocking I/O
+//
+typedef struct {
+ UINT32 Signature;
+ EFI_BLOCK_IO2_TOKEN *Token;
+ UINTN *UnsignalledEventCount;
+ EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
+ BOOLEAN *IsError;// Indicate whether meeting error during source allocation for new task.
+ LIST_ENTRY TaskEntry;
+} ATA_BUS_ASYN_TASK;
//
// ATA bus data structure for ATA controller
@@ -77,46 +102,48 @@ typedef struct { EFI_HANDLE DriverBindingHandle;
} ATA_BUS_DRIVER_DATA;
-#define ATA_DEVICE_SIGNATURE SIGNATURE_32 ('A', 'B', 'I', 'D')
-
//
// ATA device data structure for each child device
//
typedef struct {
- UINT32 Signature;
+ UINT32 Signature;
- EFI_HANDLE Handle;
- EFI_BLOCK_IO_PROTOCOL BlockIo;
- EFI_BLOCK_IO_MEDIA BlockMedia;
- EFI_DISK_INFO_PROTOCOL DiskInfo;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_HANDLE Handle;
+ EFI_BLOCK_IO_PROTOCOL BlockIo;
+ EFI_BLOCK_IO2_PROTOCOL BlockIo2;
+ EFI_BLOCK_IO_MEDIA BlockMedia;
+ EFI_DISK_INFO_PROTOCOL DiskInfo;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- ATA_BUS_DRIVER_DATA *AtaBusDriverData;
- UINT16 Port;
- UINT16 PortMultiplierPort;
+ ATA_BUS_DRIVER_DATA *AtaBusDriverData;
+ UINT16 Port;
+ UINT16 PortMultiplierPort;
//
// Buffer for the execution of ATA pass through protocol
//
- EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
- EFI_ATA_COMMAND_BLOCK Acb;
- EFI_ATA_STATUS_BLOCK *Asb;
+ EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_ATA_COMMAND_BLOCK Acb;
+ EFI_ATA_STATUS_BLOCK *Asb;
- BOOLEAN UdmaValid;
- BOOLEAN Lba48Bit;
+ BOOLEAN UdmaValid;
+ BOOLEAN Lba48Bit;
//
// Cached data for ATA identify data
//
- ATA_IDENTIFY_DATA *IdentifyData;
+ ATA_IDENTIFY_DATA *IdentifyData;
- EFI_UNICODE_STRING_TABLE *ControllerNameTable;
- CHAR16 ModelName[MAX_MODEL_NAME_LEN + 1];
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;
+ CHAR16 ModelName[MAX_MODEL_NAME_LEN + 1];
+ LIST_ENTRY AtaTaskList;
} ATA_DEVICE;
-#define ATA_DEVICE_FROM_BLOCK_IO(a) CR (a, ATA_DEVICE, BlockIo, ATA_DEVICE_SIGNATURE)
-#define ATA_DEVICE_FROM_DISK_INFO(a) CR (a, ATA_DEVICE, DiskInfo, ATA_DEVICE_SIGNATURE)
+#define ATA_DEVICE_FROM_BLOCK_IO(a) CR (a, ATA_DEVICE, BlockIo, ATA_DEVICE_SIGNATURE)
+#define ATA_DEVICE_FROM_BLOCK_IO2(a) CR (a, ATA_DEVICE, BlockIo2, ATA_DEVICE_SIGNATURE)
+#define ATA_DEVICE_FROM_DISK_INFO(a) CR (a, ATA_DEVICE, DiskInfo, ATA_DEVICE_SIGNATURE)
+#define ATA_AYNS_TASK_FROM_ENTRY(a) CR (a, ATA_BUS_ASYN_TASK, TaskEntry, ATA_TASK_SIGNATURE)
//
// Global Variables
@@ -125,6 +152,52 @@ extern EFI_DRIVER_BINDING_PROTOCOL gAtaBusDriverBinding; extern EFI_COMPONENT_NAME_PROTOCOL gAtaBusComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gAtaBusComponentName2;
+/**
+ Allocates an aligned buffer for ATA device.
+
+ This function allocates an aligned buffer for the ATA device to perform
+ ATA pass through operations. The alignment requirement is from ATA pass
+ through interface.
+
+ @param AtaDevice The ATA child device involved for the operation.
+ @param BufferSize The request buffer size.
+
+ @return A pointer to the aligned buffer or NULL if the allocation fails.
+
+**/
+VOID *
+AllocateAlignedBuffer (
+ IN ATA_DEVICE *AtaDevice,
+ IN UINTN BufferSize
+ );
+
+/**
+ Frees an aligned buffer for ATA device.
+
+ This function frees an aligned buffer for the ATA device to perform
+ ATA pass through operations.
+
+ @param Buffer The aligned buffer to be freed.
+ @param BufferSize The request buffer size.
+
+**/
+VOID
+FreeAlignedBuffer (
+ IN VOID *Buffer,
+ IN UINTN BufferSize
+ );
+
+/**
+ Free SubTask.
+
+ @param[in, out] Task Pointer to task to be freed.
+
+**/
+VOID
+EFIAPI
+FreeAtaSubTask (
+ IN ATA_BUS_ASYN_TASK *Task
+ );
/**
Wrapper for EFI_ATA_PASS_THRU_PROTOCOL.ResetDevice().
@@ -162,7 +235,6 @@ DiscoverAtaDevice ( IN OUT ATA_DEVICE *AtaDevice
);
-
/**
Read or write a number of blocks from ATA device.
@@ -170,11 +242,12 @@ DiscoverAtaDevice ( ATA device. It may separate the read/write request into several ATA pass through
transactions.
- @param AtaDevice The ATA child device involved for the operation.
- @param Buffer The pointer to the current transaction buffer.
- @param StartLba The starting logical block address to be accessed.
- @param NumberOfBlocks The block number or sector count of the transfer.
- @param IsWrite Indicates whether it is a write operation.
+ @param[in, out] AtaDevice The ATA child device involved for the operation.
+ @param[in, out] Buffer The pointer to the current transaction buffer.
+ @param[in] StartLba The starting logical block address to be accessed.
+ @param[in] NumberOfBlocks The block number or sector count of the transfer.
+ @param[in] IsWrite Indicates whether it is a write operation.
+ @param[in, out] Token A pointer to the token associated with the transaction.
@retval EFI_SUCCESS The data transfer is complete successfully.
@return others Some error occurs when transferring data.
@@ -186,7 +259,8 @@ AccessAtaDevice( IN OUT UINT8 *Buffer,
IN EFI_LBA StartLba,
IN UINTN NumberOfBlocks,
- IN BOOLEAN IsWrite
+ IN BOOLEAN IsWrite,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
);
//
@@ -544,6 +618,111 @@ AtaBlockIoFlushBlocks ( IN EFI_BLOCK_IO_PROTOCOL *This
);
+/**
+ Reset the Block Device throught Block I/O2 protocol.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] ExtendedVerification Driver may perform diagnostics on reset.
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBlockIoResetEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ );
+
+/**
+ Read BufferSize bytes from Lba into Buffer.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] MediaId Id of the media, changes every time the media is replaced.
+ @param[in] Lba The starting Logical Block Address to read from.
+ @param[in, out] Token A pointer to the token associated with the transaction.
+ @param[in] BufferSize Size of Buffer, must be a multiple of device block size.
+ @param[out] Buffer A pointer to the destination buffer for the data. The caller is
+ responsible for either having implicit or explicit ownership of the buffer.
+
+ @retval EFI_SUCCESS The read request was queued if Event is not NULL.
+ The data was read correctly from the device if
+ the Event is NULL.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing
+ the read.
+ @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
+AtaBlockIoReadBlocksEx (
+ 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
+ );
+
+/**
+ Write BufferSize bytes from Lba into Buffer.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in] MediaId The media ID that the write request is for.
+ @param[in] Lba The starting logical block address to be written. The
+ caller is responsible for writing to only legitimate
+ locations.
+ @param[in, out] Token A pointer to the token associated with the transaction.
+ @param[in] BufferSize Size of Buffer, must be a multiple of device block size.
+ @param[in] Buffer A pointer to the source buffer for the data.
+
+ @retval EFI_SUCCESS The data was written correctly to the device.
+ @retval EFI_WRITE_PROTECTED The device can not be written to.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing the write.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the 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
+AtaBlockIoWriteBlocksEx (
+ 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
+ );
+
+/**
+ Flush the Block Device.
+
+ @param[in] This Indicates a pointer to the calling context.
+ @param[in, out] 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
+AtaBlockIoFlushBlocksEx (
+ IN EFI_BLOCK_IO2_PROTOCOL *This,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
+ );
/**
Provides inquiry information for the controller type.
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf index 9ca1b4bbb4..18ed39d429 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf @@ -5,7 +5,7 @@ # in UEFI spec 2.2. It installs Block IO and Disk Info protocol for each ATA device
# it enumerates and identifies successfully.
#
-# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -63,6 +63,7 @@ [Protocols]
gEfiDiskInfoProtocolGuid # BY_START
gEfiBlockIoProtocolGuid # BY_START
+ gEfiBlockIo2ProtocolGuid # BY_START
gEfiAtaPassThruProtocolGuid # TO_START
gEfiDevicePathProtocolGuid # TO_START
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c index acfbd74394..1f204193fd 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c @@ -5,7 +5,7 @@ It transforms the high level identity, read/write, reset command to ATA pass
through command and protocol.
- Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -75,14 +75,25 @@ UINTN mMaxTransferBlockNumber[] = { for an ATA device. It assembles the ATA pass through command packet for ATA
transaction.
- @param AtaDevice The ATA child device involved for the operation.
+ @param[in, out] AtaDevice The ATA child device involved for the operation.
+ @param[in, out] TaskPacket Pointer to a Pass Thru Command Packet. Optional,
+ if it is NULL, blocking mode, and use the packet
+ in AtaDevice. If it is not NULL, non blocking mode,
+ and pass down this Packet.
+ @param[in] Event If Event is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking I/O is
+ supported,then non-blocking I/O is performed,
+ and Event will be signaled when the write
+ request is completed.
@return The return status from EFI_ATA_PASS_THRU_PROTOCOL.PassThru().
**/
EFI_STATUS
AtaDevicePassThru (
- IN OUT ATA_DEVICE *AtaDevice
+ IN OUT ATA_DEVICE *AtaDevice,
+ IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *TaskPacket, OPTIONAL
+ IN OUT EFI_EVENT Event OPTIONAL
)
{
EFI_STATUS Status;
@@ -90,12 +101,19 @@ AtaDevicePassThru ( EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet;
//
- // Assemble packet
+ // Assemble packet. If it is non blocking mode, the Ata driver should keep each
+ // subtask and clean them when the event is signaled.
//
- Packet = &AtaDevice->Packet;
- Packet->Asb = AtaDevice->Asb;
- Packet->Acb = &AtaDevice->Acb;
- Packet->Timeout = ATA_TIMEOUT;
+ if (TaskPacket != NULL) {
+ Packet = TaskPacket;
+ Packet->Asb = AllocateAlignedBuffer (AtaDevice, sizeof (*AtaDevice->Asb));
+ CopyMem (Packet->Asb, AtaDevice->Asb, sizeof (*AtaDevice->Asb));
+ Packet->Acb = AllocateCopyPool(sizeof (EFI_ATA_COMMAND_BLOCK), &AtaDevice->Acb);
+ } else {
+ Packet = &AtaDevice->Packet;
+ Packet->Asb = AtaDevice->Asb;
+ Packet->Acb = &AtaDevice->Acb;
+ }
AtaPassThru = AtaDevice->AtaBusDriverData->AtaPassThru;
@@ -104,7 +122,7 @@ AtaDevicePassThru ( AtaDevice->Port,
AtaDevice->PortMultiplierPort,
Packet,
- NULL
+ Event
);
//
// Ensure ATA pass through caller and callee have the same
@@ -257,6 +275,8 @@ IdentifyAtaDevice ( return EFI_UNSUPPORTED;
}
+ DEBUG ((EFI_D_INFO, "AtaBus - Identify Device (%x %x)\n", (UINTN)AtaDevice->Port, (UINTN)AtaDevice->PortMultiplierPort));
+
//
// Check whether the WORD 88 (supported UltraDMA by drive) is valid
//
@@ -319,7 +339,7 @@ IdentifyAtaDevice ( //
// Get ATA model name from identify data structure.
//
- PrintAtaModelName (AtaDevice);
+ PrintAtaModelName (AtaDevice);
return EFI_SUCCESS;
}
@@ -354,7 +374,7 @@ DiscoverAtaDevice ( //
Acb = ZeroMem (&AtaDevice->Acb, sizeof (*Acb));
Acb->AtaCommand = ATA_CMD_IDENTIFY_DRIVE;
- Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort << 4));
+ Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort << 4));
//
// Prepare for ATA pass through packet.
@@ -363,11 +383,12 @@ DiscoverAtaDevice ( Packet->InDataBuffer = AtaDevice->IdentifyData;
Packet->InTransferLength = sizeof (*AtaDevice->IdentifyData);
Packet->Protocol = EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_IN;
- Packet->Length = EFI_ATA_PASS_THRU_LENGTH_BYTES | EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT;
+ Packet->Length = EFI_ATA_PASS_THRU_LENGTH_BYTES | EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT;
+ Packet->Timeout = ATA_TIMEOUT;
Retry = MAX_RETRY_TIMES;
do {
- Status = AtaDevicePassThru (AtaDevice);
+ Status = AtaDevicePassThru (AtaDevice, NULL, NULL);
if (!EFI_ERROR (Status)) {
//
// The command is issued successfully
@@ -389,11 +410,20 @@ DiscoverAtaDevice ( ATA device. It chooses the appropriate ATA command and protocol to invoke PassThru
interface of ATA pass through.
- @param AtaDevice The ATA child device involved for the operation.
- @param Buffer The pointer to the current transaction buffer.
- @param StartLba The starting logical block address to be accessed.
- @param TransferLength The block number or sector count of the transfer.
- @param IsWrite Indicates whether it is a write operation.
+ @param[in, out] AtaDevice The ATA child device involved for the operation.
+ @param[in, out] TaskPacket Pointer to a Pass Thru Command Packet. Optional,
+ if it is NULL, blocking mode, and use the packet
+ in AtaDevice. If it is not NULL, non blocking mode,
+ and pass down this Packet.
+ @param[in, out] Buffer The pointer to the current transaction buffer.
+ @param[in] StartLba The starting logical block address to be accessed.
+ @param[in] TransferLength The block number or sector count of the transfer.
+ @param[in] IsWrite Indicates whether it is a write operation.
+ @param[in] Event If Event is NULL, then blocking I/O is performed.
+ If Event is not NULL and non-blocking I/O is
+ supported,then non-blocking I/O is performed,
+ and Event will be signaled when the write
+ request is completed.
@retval EFI_SUCCESS The data transfer is complete successfully.
@return others Some error occurs when transferring data.
@@ -401,11 +431,13 @@ DiscoverAtaDevice ( **/
EFI_STATUS
TransferAtaDevice (
- IN OUT ATA_DEVICE *AtaDevice,
- IN OUT VOID *Buffer,
- IN EFI_LBA StartLba,
- IN UINT32 TransferLength,
- IN BOOLEAN IsWrite
+ IN OUT ATA_DEVICE *AtaDevice,
+ IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *TaskPacket, OPTIONAL
+ IN OUT VOID *Buffer,
+ IN EFI_LBA StartLba,
+ IN UINT32 TransferLength,
+ IN BOOLEAN IsWrite,
+ IN EFI_EVENT Event OPTIONAL
)
{
EFI_ATA_COMMAND_BLOCK *Acb;
@@ -425,7 +457,7 @@ TransferAtaDevice ( Acb->AtaSectorNumber = (UINT8) StartLba;
Acb->AtaCylinderLow = (UINT8) RShiftU64 (StartLba, 8);
Acb->AtaCylinderHigh = (UINT8) RShiftU64 (StartLba, 16);
- Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort << 4));
+ Acb->AtaDeviceHead = (UINT8) (BIT7 | BIT6 | BIT5 | (AtaDevice->PortMultiplierPort << 4));
Acb->AtaSectorCount = (UINT8) TransferLength;
if (AtaDevice->Lba48Bit) {
Acb->AtaSectorNumberExp = (UINT8) RShiftU64 (StartLba, 24);
@@ -439,7 +471,12 @@ TransferAtaDevice ( //
// Prepare for ATA pass through packet.
//
- Packet = ZeroMem (&AtaDevice->Packet, sizeof (*Packet));
+ if (TaskPacket != NULL) {
+ Packet = ZeroMem (TaskPacket, sizeof (*Packet));
+ } else {
+ Packet = ZeroMem (&AtaDevice->Packet, sizeof (*Packet));
+ }
+
if (IsWrite) {
Packet->OutDataBuffer = Buffer;
Packet->OutTransferLength = TransferLength;
@@ -447,10 +484,109 @@ TransferAtaDevice ( Packet->InDataBuffer = Buffer;
Packet->InTransferLength = TransferLength;
}
+
Packet->Protocol = mAtaPassThruCmdProtocols[AtaDevice->UdmaValid][IsWrite];
Packet->Length = EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT;
+ Packet->Timeout = ATA_TIMEOUT;
+
+ return AtaDevicePassThru (AtaDevice, TaskPacket, Event);
+}
+
+/**
+ Free SubTask.
+
+ @param[in, out] Task Pointer to task to be freed.
+
+**/
+VOID
+EFIAPI
+FreeAtaSubTask (
+ IN ATA_BUS_ASYN_TASK *Task
+ )
+{
+ if (Task->Packet.Asb != NULL) {
+ FreeAlignedBuffer (Task->Packet.Asb, sizeof (Task->Packet.Asb));
+ }
+ if (Task->Packet.Acb != NULL) {
+ FreePool (Task->Packet.Acb);
+ }
+
+ FreePool (Task);
+}
+
+/**
+ Call back funtion when the event is signaled.
+
+ @param[in] Event The Event this notify function registered to.
+ @param[in] Context Pointer to the context data registerd to the
+ Event.
+
+**/
+VOID
+EFIAPI
+AtaNonBlockingCallBack (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ ATA_BUS_ASYN_TASK *Task;
+
+ Task = (ATA_BUS_ASYN_TASK *) Context;
+ gBS->CloseEvent (Event);
+
+ //
+ // Check the command status.
+ // If there is error during the sub task source allocation, the error status
+ // should be returned to the caller directly, so here the Task->Token may already
+ // be deleted by the caller and no need to update the status.
+ //
+ if ((!(*Task->IsError)) && (Task->Packet.Asb->AtaStatus & 0x01) == 0x01) {
+ Task->Token->TransactionStatus = EFI_DEVICE_ERROR;
+ }
+ DEBUG ((
+ DEBUG_INFO,
+ "NON-BLOCKING EVENT FINISHED!- STATUS = %r\n",
+ Task->Token->TransactionStatus
+ ));
+
+ //
+ // Reduce the SubEventCount, till it comes to zero.
+ //
+ (*Task->UnsignalledEventCount) --;
+ DEBUG ((DEBUG_INFO, "UnsignalledEventCount = %x\n", *Task->UnsignalledEventCount));
+
+ //
+ // Remove the SubTask from the Task list.
+ //
+ RemoveEntryList (&Task->TaskEntry);
+ if ((*Task->UnsignalledEventCount) == 0) {
+ //
+ // All Sub tasks are done, then signal the upper layyer event.
+ // Except there is error during the sub task source allocation.
+ //
+ if (!(*Task->IsError)) {
+ gBS->SignalEvent (Task->Token->Event);
+ DEBUG ((DEBUG_INFO, "Signal Up Level Event UnsignalledEventCount = %x!\n", *Task->UnsignalledEventCount));
+ }
+
+ FreePool (Task->UnsignalledEventCount);
+ FreePool (Task->IsError);
+ }
- return AtaDevicePassThru (AtaDevice);
+ DEBUG ((
+ DEBUG_INFO,
+ "PACKET INFO: Write=%s, Lenght=%x, LowCylinder=%x, HighCylinder=%x,SectionNumber=%x",
+ Task->Packet.OutDataBuffer != NULL ? L"YES" : L"NO",
+ Task->Packet.OutDataBuffer != NULL ? Task->Packet.OutTransferLength : Task->Packet.InTransferLength,
+ Task->Packet.Acb->AtaCylinderLow,
+ Task->Packet.Acb->AtaCylinderHigh,
+ Task->Packet.Acb->AtaSectorCount
+ ));
+
+ //
+ // Free the buffer of SubTask.
+ //
+ FreeAtaSubTask (Task);
}
/**
@@ -460,11 +596,12 @@ TransferAtaDevice ( ATA device. It may separate the read/write request into several ATA pass through
transactions.
- @param AtaDevice The ATA child device involved for the operation.
- @param Buffer The pointer to the current transaction buffer.
- @param StartLba The starting logical block address to be accessed.
- @param NumberOfBlocks The block number or sector count of the transfer.
- @param IsWrite Indicates whether it is a write operation.
+ @param[in, out] AtaDevice The ATA child device involved for the operation.
+ @param[in, out] Buffer The pointer to the current transaction buffer.
+ @param[in] StartLba The starting logical block address to be accessed.
+ @param[in] NumberOfBlocks The block number or sector count of the transfer.
+ @param[in] IsWrite Indicates whether it is a write operation.
+ @param[in, out] Token A pointer to the token associated with the transaction.
@retval EFI_SUCCESS The data transfer is complete successfully.
@return others Some error occurs when transferring data.
@@ -476,36 +613,146 @@ AccessAtaDevice( IN OUT UINT8 *Buffer,
IN EFI_LBA StartLba,
IN UINTN NumberOfBlocks,
- IN BOOLEAN IsWrite
+ IN BOOLEAN IsWrite,
+ IN OUT EFI_BLOCK_IO2_TOKEN *Token
)
{
EFI_STATUS Status;
UINTN MaxTransferBlockNumber;
UINTN TransferBlockNumber;
UINTN BlockSize;
-
+ UINTN *EventCount;
+ UINTN TempCount;
+ ATA_BUS_ASYN_TASK *Task;
+ EFI_EVENT SubEvent;
+ UINTN Index;
+ BOOLEAN *IsError;
+ EFI_TPL OldTpl;
+
+ SubEvent = NULL;
+ TempCount = 0;
+ Status = EFI_SUCCESS;
+
+ EventCount = AllocateZeroPool (sizeof (UINTN));
+ if (EventCount == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ IsError = AllocateZeroPool (sizeof (BOOLEAN));
+ if (IsError == NULL) {
+ goto EXIT;
+ }
+ *IsError = FALSE;
+
+ //
+ // Initial the return status for Non Blocking.
+ //
+ if (Token != NULL && Token->Event != NULL) {
+ Token->TransactionStatus = EFI_SUCCESS;
+ }
//
// Ensure AtaDevice->Lba48Bit is a valid boolean value
//
ASSERT ((UINTN) AtaDevice->Lba48Bit < 2);
MaxTransferBlockNumber = mMaxTransferBlockNumber[AtaDevice->Lba48Bit];
- BlockSize = AtaDevice->BlockMedia.BlockSize;
+ BlockSize = AtaDevice->BlockMedia.BlockSize;
+
+ TempCount = (NumberOfBlocks + MaxTransferBlockNumber - 1) / MaxTransferBlockNumber;
+ *EventCount = TempCount;
+ Index = 0;
+
do {
if (NumberOfBlocks > MaxTransferBlockNumber) {
TransferBlockNumber = MaxTransferBlockNumber;
- NumberOfBlocks -= MaxTransferBlockNumber;
+ NumberOfBlocks -= MaxTransferBlockNumber;
} else {
TransferBlockNumber = NumberOfBlocks;
NumberOfBlocks = 0;
}
- Status = TransferAtaDevice (AtaDevice, Buffer, StartLba, (UINT32) TransferBlockNumber, IsWrite);
+ //
+ // Create sub event for the sub Ata task. Non-Blocking Mode.
+ //
+ if (Token != NULL && Token->Event != NULL) {
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ Task = AllocateZeroPool (sizeof (ATA_BUS_ASYN_TASK));
+ if (Task == NULL) {
+ //
+ // If resource allocation fail, reduce the total sub event counts.
+ //
+ *EventCount = (*EventCount) - (TempCount - Index);
+ *IsError = TRUE;
+ Token->TransactionStatus = EFI_OUT_OF_RESOURCES;
+ Status = EFI_OUT_OF_RESOURCES;
+
+ gBS->RestoreTPL (OldTpl);
+ goto EXIT;
+ }
+
+ Task->UnsignalledEventCount = EventCount;
+ Task->Token = Token;
+ Task->IsError = IsError;
+
+ InsertTailList (&AtaDevice->AtaTaskList, &Task->TaskEntry);
+
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ AtaNonBlockingCallBack,
+ Task,
+ &SubEvent
+ );
+ //
+ // If resource allocation fail, the un-signalled event count should equal to
+ // the original one minus the unassigned subtasks number.
+ //
+ if (EFI_ERROR (Status)) {
+ *EventCount = (*EventCount) - (TempCount - Index);
+ *IsError = TRUE;
+ gBS->RestoreTPL (OldTpl);
+ goto EXIT;
+ }
+ Index++;
+ gBS->RestoreTPL (OldTpl);
+
+ DEBUG ((EFI_D_INFO, "NON-BLOCKING SET EVENT START: WRITE = %d\n", IsWrite));
+ Status = TransferAtaDevice (AtaDevice, &Task->Packet, Buffer, StartLba, (UINT32) TransferBlockNumber, IsWrite, SubEvent);
+ DEBUG ((
+ EFI_D_INFO,
+ "NON-BLOCKING SET EVENT END:StartLba=%x, TransferBlockNumbers=%x, Status=%r\n",
+ StartLba,
+ TransferBlockNumber,
+ Status
+ ));
+ }else {
+ //
+ // Blocking Mode.
+ //
+ DEBUG ((EFI_D_INFO, "BLOCKING BLOCK I/O START: WRITE = %d\n", IsWrite));
+ Status = TransferAtaDevice (AtaDevice, NULL, Buffer, StartLba, (UINT32) TransferBlockNumber, IsWrite, NULL);
+ DEBUG ((
+ EFI_D_INFO,
+ "BLOCKING BLOCK I/O FINISHE - StartLba = %x; TransferBlockNumbers = %x, status = %r\n",
+ StartLba,
+ TransferBlockNumber,
+ Status
+ ));
+ }
+
if (EFI_ERROR (Status)) {
- return Status;
+ goto EXIT;
}
+
StartLba += TransferBlockNumber;
Buffer += TransferBlockNumber * BlockSize;
} while (NumberOfBlocks > 0);
+EXIT:
+
+ if (*EventCount == 0) {
+ FreePool (EventCount);
+ FreePool (IsError);
+ }
+
return Status;
}
|