blob: 45df48ff72fcec55b8f6fbbbb58f37ee9280c934 [file] [log] [blame]
/** @file
The helper functions for BlockIo and BlockIo2 protocol.
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "SdDxe.h"
/**
Nonblocking I/O callback function when the event is signaled.
@param[in] Event The Event this notify function registered to.
@param[in] Context Pointer to the context data registered to the
Event.
**/
VOID
EFIAPI
AsyncIoCallback (
IN EFI_EVENT Event,
IN VOID *Context
)
{
SD_REQUEST *Request;
gBS->CloseEvent (Event);
Request = (SD_REQUEST *)Context;
DEBUG_CODE_BEGIN ();
DEBUG ((
DEBUG_INFO,
"Sd Async Request: CmdIndex[%d] Arg[%08x] %r\n",
Request->SdMmcCmdBlk.CommandIndex,
Request->SdMmcCmdBlk.CommandArgument,
Request->Packet.TransactionStatus
));
DEBUG_CODE_END ();
if (EFI_ERROR (Request->Packet.TransactionStatus)) {
Request->Token->TransactionStatus = Request->Packet.TransactionStatus;
}
RemoveEntryList (&Request->Link);
if (Request->IsEnd) {
gBS->SignalEvent (Request->Token->Event);
}
FreePool (Request);
}
/**
Send command SET_RELATIVE_ADDRESS to the device to set the device address.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[out] Rca The relative device address to assign.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdSetRca (
IN SD_DEVICE *Device,
OUT UINT16 *Rca
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
PassThru = Device->Private->PassThru;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
ZeroMem (&Packet, sizeof (Packet));
Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_GENERIC_TIMEOUT;
SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;
SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;
Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
if (!EFI_ERROR (Status)) {
DEBUG ((DEBUG_INFO, "Set RCA succeeds with Resp0 = 0x%x\n", SdMmcStatusBlk.Resp0));
*Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);
}
return Status;
}
/**
Send command SELECT to the device to select/deselect the device.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] Rca The relative device address to use.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdSelect (
IN SD_DEVICE *Device,
IN UINT16 Rca
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
PassThru = Device->Private->PassThru;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
ZeroMem (&Packet, sizeof (Packet));
Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_GENERIC_TIMEOUT;
SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;
SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
if (Rca != 0) {
SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
}
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
return Status;
}
/**
Send command SEND_STATUS to the device to get device status.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] Rca The relative device address to use.
@param[out] DevStatus The buffer to store the device status.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdSendStatus (
IN SD_DEVICE *Device,
IN UINT16 Rca,
OUT UINT32 *DevStatus
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
PassThru = Device->Private->PassThru;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
ZeroMem (&Packet, sizeof (Packet));
Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_GENERIC_TIMEOUT;
SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;
SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
if (!EFI_ERROR (Status)) {
CopyMem (DevStatus, &SdMmcStatusBlk.Resp0, sizeof (UINT32));
}
return Status;
}
/**
Send command SEND_CSD to the device to get the CSD register data.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] Rca The relative device address to use.
@param[out] Csd The buffer to store the SD_CSD register data.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdGetCsd (
IN SD_DEVICE *Device,
IN UINT16 Rca,
OUT SD_CSD *Csd
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
PassThru = Device->Private->PassThru;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
ZeroMem (&Packet, sizeof (Packet));
ZeroMem (Csd, sizeof (SD_CSD));
Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_GENERIC_TIMEOUT;
SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;
SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
if (!EFI_ERROR (Status)) {
//
// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
//
CopyMem (((UINT8 *)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);
}
return Status;
}
/**
Send command SEND_CID to the device to get the CID register data.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] Rca The relative device address to use.
@param[out] Cid The buffer to store the SD_CID register data.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdGetCid (
IN SD_DEVICE *Device,
IN UINT16 Rca,
OUT SD_CID *Cid
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
PassThru = Device->Private->PassThru;
ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
ZeroMem (&Packet, sizeof (Packet));
ZeroMem (Cid, sizeof (SD_CID));
Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
Packet.Timeout = SD_GENERIC_TIMEOUT;
SdMmcCmdBlk.CommandIndex = SD_SEND_CID;
SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);
if (!EFI_ERROR (Status)) {
//
// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
//
CopyMem (((UINT8 *)Cid) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CID) - 1);
}
return Status;
}
/**
Read/write single block through sync or async I/O request.
@param[in] Device A pointer to the SD_DEVICE instance.
@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] Buffer A pointer to the destination/source buffer for the data.
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
@param[in] IsRead Indicates it is a read or write operation.
@param[in] Token A pointer to the token associated with the transaction.
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
This parameter is only meaningful in async I/O request.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdRwSingleBlock (
IN SD_DEVICE *Device,
IN EFI_LBA Lba,
IN VOID *Buffer,
IN UINTN BufferSize,
IN BOOLEAN IsRead,
IN EFI_BLOCK_IO2_TOKEN *Token,
IN BOOLEAN IsEnd
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
SD_REQUEST *RwSingleBlkReq;
EFI_TPL OldTpl;
RwSingleBlkReq = NULL;
PassThru = Device->Private->PassThru;
RwSingleBlkReq = AllocateZeroPool (sizeof (SD_REQUEST));
if (RwSingleBlkReq == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
RwSingleBlkReq->Signature = SD_REQUEST_SIGNATURE;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
InsertTailList (&Device->Queue, &RwSingleBlkReq->Link);
gBS->RestoreTPL (OldTpl);
RwSingleBlkReq->Packet.SdMmcCmdBlk = &RwSingleBlkReq->SdMmcCmdBlk;
RwSingleBlkReq->Packet.SdMmcStatusBlk = &RwSingleBlkReq->SdMmcStatusBlk;
//
// Calculate timeout value through the below formula.
// Timeout = (transfer size) / (2MB/s).
// Taking 2MB/s as divisor as it's the lowest transfer speed
// above class 2.
// Refer to SD Physical Layer Simplified spec section 3.4 for details.
//
RwSingleBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;
if (IsRead) {
RwSingleBlkReq->Packet.InDataBuffer = Buffer;
RwSingleBlkReq->Packet.InTransferLength = (UINT32)BufferSize;
RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_SINGLE_BLOCK;
RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
} else {
RwSingleBlkReq->Packet.OutDataBuffer = Buffer;
RwSingleBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;
RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_SINGLE_BLOCK;
RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
}
if (Device->SectorAddressing) {
RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;
} else {
RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);
}
RwSingleBlkReq->IsEnd = IsEnd;
RwSingleBlkReq->Token = Token;
if ((Token != NULL) && (Token->Event != NULL)) {
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
AsyncIoCallback,
RwSingleBlkReq,
&RwSingleBlkReq->Event
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else {
RwSingleBlkReq->Event = NULL;
}
Status = PassThru->PassThru (PassThru, Device->Slot, &RwSingleBlkReq->Packet, RwSingleBlkReq->Event);
Error:
if ((Token != NULL) && (Token->Event != NULL)) {
//
// For asynchronous operation, only free request and event in error case.
// The request and event will be freed in asynchronous callback for success case.
//
if (EFI_ERROR (Status) && (RwSingleBlkReq != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&RwSingleBlkReq->Link);
gBS->RestoreTPL (OldTpl);
if (RwSingleBlkReq->Event != NULL) {
gBS->CloseEvent (RwSingleBlkReq->Event);
}
FreePool (RwSingleBlkReq);
}
} else {
//
// For synchronous operation, free request whatever the execution result is.
//
if (RwSingleBlkReq != NULL) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&RwSingleBlkReq->Link);
gBS->RestoreTPL (OldTpl);
FreePool (RwSingleBlkReq);
}
}
return Status;
}
/**
Read/write multiple blocks through sync or async I/O request.
@param[in] Device A pointer to the SD_DEVICE instance.
@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] Buffer A pointer to the destination/source buffer for the data.
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
@param[in] IsRead Indicates it is a read or write operation.
@param[in] Token A pointer to the token associated with the transaction.
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
This parameter is only meaningful in async I/O request.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdRwMultiBlocks (
IN SD_DEVICE *Device,
IN EFI_LBA Lba,
IN VOID *Buffer,
IN UINTN BufferSize,
IN BOOLEAN IsRead,
IN EFI_BLOCK_IO2_TOKEN *Token,
IN BOOLEAN IsEnd
)
{
EFI_STATUS Status;
SD_REQUEST *RwMultiBlkReq;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
EFI_TPL OldTpl;
RwMultiBlkReq = NULL;
PassThru = Device->Private->PassThru;
RwMultiBlkReq = AllocateZeroPool (sizeof (SD_REQUEST));
if (RwMultiBlkReq == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
RwMultiBlkReq->Signature = SD_REQUEST_SIGNATURE;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
InsertTailList (&Device->Queue, &RwMultiBlkReq->Link);
gBS->RestoreTPL (OldTpl);
RwMultiBlkReq->Packet.SdMmcCmdBlk = &RwMultiBlkReq->SdMmcCmdBlk;
RwMultiBlkReq->Packet.SdMmcStatusBlk = &RwMultiBlkReq->SdMmcStatusBlk;
//
// Calculate timeout value through the below formula.
// Timeout = (transfer size) / (2MB/s).
// Taking 2MB/s as divisor as it's the lowest transfer speed
// above class 2.
// Refer to SD Physical Layer Simplified spec section 3.4 for details.
//
RwMultiBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;
if (IsRead) {
RwMultiBlkReq->Packet.InDataBuffer = Buffer;
RwMultiBlkReq->Packet.InTransferLength = (UINT32)BufferSize;
RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_MULTIPLE_BLOCK;
RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
} else {
RwMultiBlkReq->Packet.OutDataBuffer = Buffer;
RwMultiBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;
RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_MULTIPLE_BLOCK;
RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
}
if (Device->SectorAddressing) {
RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;
} else {
RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);
}
RwMultiBlkReq->IsEnd = IsEnd;
RwMultiBlkReq->Token = Token;
if ((Token != NULL) && (Token->Event != NULL)) {
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
AsyncIoCallback,
RwMultiBlkReq,
&RwMultiBlkReq->Event
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else {
RwMultiBlkReq->Event = NULL;
}
Status = PassThru->PassThru (PassThru, Device->Slot, &RwMultiBlkReq->Packet, RwMultiBlkReq->Event);
Error:
if ((Token != NULL) && (Token->Event != NULL)) {
//
// For asynchronous operation, only free request and event in error case.
// The request and event will be freed in asynchronous callback for success case.
//
if (EFI_ERROR (Status) && (RwMultiBlkReq != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&RwMultiBlkReq->Link);
gBS->RestoreTPL (OldTpl);
if (RwMultiBlkReq->Event != NULL) {
gBS->CloseEvent (RwMultiBlkReq->Event);
}
FreePool (RwMultiBlkReq);
}
} else {
//
// For synchronous operation, free request whatever the execution result is.
//
if (RwMultiBlkReq != NULL) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&RwMultiBlkReq->Link);
gBS->RestoreTPL (OldTpl);
FreePool (RwMultiBlkReq);
}
}
return Status;
}
/**
This function transfers data from/to the sd memory card device.
@param[in] Device A pointer to the SD_DEVICE instance.
@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] Buffer A pointer to the destination/source buffer for the data.
@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
@param[in] IsRead Indicates it is a read or write operation.
@param[in, out] Token A pointer to the token associated with the transaction.
@retval EFI_SUCCESS The data was read/written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be read/written to.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read/write.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not match 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 read/write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
SdReadWrite (
IN SD_DEVICE *Device,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN OUT VOID *Buffer,
IN UINTN BufferSize,
IN BOOLEAN IsRead,
IN OUT EFI_BLOCK_IO2_TOKEN *Token
)
{
EFI_STATUS Status;
EFI_BLOCK_IO_MEDIA *Media;
UINTN BlockSize;
UINTN BlockNum;
UINTN IoAlign;
UINTN Remaining;
UINT32 MaxBlock;
BOOLEAN LastRw;
Status = EFI_SUCCESS;
Media = &Device->BlockMedia;
LastRw = FALSE;
if (MediaId != Media->MediaId) {
return EFI_MEDIA_CHANGED;
}
if (!IsRead && Media->ReadOnly) {
return EFI_WRITE_PROTECTED;
}
//
// Check parameters.
//
if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
if (BufferSize == 0) {
if ((Token != NULL) && (Token->Event != NULL)) {
Token->TransactionStatus = EFI_SUCCESS;
gBS->SignalEvent (Token->Event);
}
return EFI_SUCCESS;
}
BlockSize = Media->BlockSize;
if ((BufferSize % BlockSize) != 0) {
return EFI_BAD_BUFFER_SIZE;
}
BlockNum = BufferSize / BlockSize;
if ((Lba + BlockNum - 1) > Media->LastBlock) {
return EFI_INVALID_PARAMETER;
}
IoAlign = Media->IoAlign;
if ((IoAlign > 0) && (((UINTN)Buffer & (IoAlign - 1)) != 0)) {
return EFI_INVALID_PARAMETER;
}
if ((Token != NULL) && (Token->Event != NULL)) {
Token->TransactionStatus = EFI_SUCCESS;
}
//
// Start to execute data transfer. The max block number in single cmd is 65535 blocks.
//
Remaining = BlockNum;
MaxBlock = 0xFFFF;
while (Remaining > 0) {
if (Remaining <= MaxBlock) {
BlockNum = Remaining;
LastRw = TRUE;
} else {
BlockNum = MaxBlock;
}
BufferSize = BlockNum * BlockSize;
if (BlockNum == 1) {
Status = SdRwSingleBlock (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);
} else {
Status = SdRwMultiBlocks (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);
}
if (EFI_ERROR (Status)) {
return Status;
}
DEBUG ((
DEBUG_BLKIO,
"Sd%a(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",
IsRead ? "Read" : "Write",
Lba,
BlockNum,
(Token != NULL) ? Token->Event : NULL,
Status
));
Lba += BlockNum;
Buffer = (UINT8 *)Buffer + BufferSize;
Remaining -= BlockNum;
}
return Status;
}
/**
Reset the Block Device.
@param This Indicates a pointer to the calling context.
@param 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
SdReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
EFI_STATUS Status;
SD_DEVICE *Device;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
PassThru = Device->Private->PassThru;
Status = PassThru->ResetDevice (PassThru, Device->Slot);
if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR;
}
return Status;
}
/**
Read BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param 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 data was read correctly from the device.
@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 does not match 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 read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
EFI_STATUS
EFIAPI
SdReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
)
{
EFI_STATUS Status;
SD_DEVICE *Device;
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, NULL);
return Status;
}
/**
Write BufferSize bytes from Lba into Buffer.
@param This Indicates a pointer to the calling context.
@param MediaId The media ID that the write request is for.
@param Lba The starting logical block address to be written. The caller is
responsible for writing to only legitimate locations.
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param 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_CHANGED The MediaId does not match 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
SdWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSize,
IN VOID *Buffer
)
{
EFI_STATUS Status;
SD_DEVICE *Device;
Device = SD_DEVICE_DATA_FROM_BLKIO (This);
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, NULL);
return Status;
}
/**
Flush the Block Device.
@param This Indicates a pointer to the calling context.
@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
SdFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
)
{
//
// return directly
//
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
SdResetEx (
IN EFI_BLOCK_IO2_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
SD_DEVICE *Device;
LIST_ENTRY *Link;
LIST_ENTRY *NextLink;
SD_REQUEST *Request;
EFI_TPL OldTpl;
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
for (Link = GetFirstNode (&Device->Queue);
!IsNull (&Device->Queue, Link);
Link = NextLink)
{
NextLink = GetNextNode (&Device->Queue, Link);
RemoveEntryList (Link);
Request = SD_REQUEST_FROM_LINK (Link);
gBS->CloseEvent (Request->Event);
Request->Token->TransactionStatus = EFI_ABORTED;
if (Request->IsEnd) {
gBS->SignalEvent (Request->Token->Event);
}
FreePool (Request);
}
gBS->RestoreTPL (OldTpl);
return EFI_SUCCESS;
}
/**
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
SdReadBlocksEx (
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
)
{
EFI_STATUS Status;
SD_DEVICE *Device;
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, Token);
return Status;
}
/**
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_CHANGED The MediaId does not match 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
SdWriteBlocksEx (
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
)
{
EFI_STATUS Status;
SD_DEVICE *Device;
Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);
Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, Token);
return Status;
}
/**
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
SdFlushBlocksEx (
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;
}
/**
Set the erase start address through sync or async I/O request.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] StartLba The starting logical block address to be erased.
@param[in] Token A pointer to the token associated with the transaction.
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
This parameter is only meaningful in async I/O request.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdEraseBlockStart (
IN SD_DEVICE *Device,
IN EFI_LBA StartLba,
IN EFI_BLOCK_IO2_TOKEN *Token,
IN BOOLEAN IsEnd
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
SD_REQUEST *EraseBlockStart;
EFI_TPL OldTpl;
EraseBlockStart = NULL;
PassThru = Device->Private->PassThru;
EraseBlockStart = AllocateZeroPool (sizeof (SD_REQUEST));
if (EraseBlockStart == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
EraseBlockStart->Signature = SD_REQUEST_SIGNATURE;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
InsertTailList (&Device->Queue, &EraseBlockStart->Link);
gBS->RestoreTPL (OldTpl);
EraseBlockStart->Packet.SdMmcCmdBlk = &EraseBlockStart->SdMmcCmdBlk;
EraseBlockStart->Packet.SdMmcStatusBlk = &EraseBlockStart->SdMmcStatusBlk;
EraseBlockStart->Packet.Timeout = SD_GENERIC_TIMEOUT;
EraseBlockStart->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_START;
EraseBlockStart->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
EraseBlockStart->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
if (Device->SectorAddressing) {
EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)StartLba;
} else {
EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (StartLba, Device->BlockMedia.BlockSize);
}
EraseBlockStart->IsEnd = IsEnd;
EraseBlockStart->Token = Token;
if ((Token != NULL) && (Token->Event != NULL)) {
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
AsyncIoCallback,
EraseBlockStart,
&EraseBlockStart->Event
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else {
EraseBlockStart->Event = NULL;
}
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockStart->Packet, EraseBlockStart->Event);
Error:
if ((Token != NULL) && (Token->Event != NULL)) {
//
// For asynchronous operation, only free request and event in error case.
// The request and event will be freed in asynchronous callback for success case.
//
if (EFI_ERROR (Status) && (EraseBlockStart != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlockStart->Link);
gBS->RestoreTPL (OldTpl);
if (EraseBlockStart->Event != NULL) {
gBS->CloseEvent (EraseBlockStart->Event);
}
FreePool (EraseBlockStart);
}
} else {
//
// For synchronous operation, free request whatever the execution result is.
//
if (EraseBlockStart != NULL) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlockStart->Link);
gBS->RestoreTPL (OldTpl);
FreePool (EraseBlockStart);
}
}
return Status;
}
/**
Set the erase end address through sync or async I/O request.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] EndLba The ending logical block address to be erased.
@param[in] Token A pointer to the token associated with the transaction.
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
This parameter is only meaningful in async I/O request.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdEraseBlockEnd (
IN SD_DEVICE *Device,
IN EFI_LBA EndLba,
IN EFI_BLOCK_IO2_TOKEN *Token,
IN BOOLEAN IsEnd
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
SD_REQUEST *EraseBlockEnd;
EFI_TPL OldTpl;
EraseBlockEnd = NULL;
PassThru = Device->Private->PassThru;
EraseBlockEnd = AllocateZeroPool (sizeof (SD_REQUEST));
if (EraseBlockEnd == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
EraseBlockEnd->Signature = SD_REQUEST_SIGNATURE;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
InsertTailList (&Device->Queue, &EraseBlockEnd->Link);
gBS->RestoreTPL (OldTpl);
EraseBlockEnd->Packet.SdMmcCmdBlk = &EraseBlockEnd->SdMmcCmdBlk;
EraseBlockEnd->Packet.SdMmcStatusBlk = &EraseBlockEnd->SdMmcStatusBlk;
EraseBlockEnd->Packet.Timeout = SD_GENERIC_TIMEOUT;
EraseBlockEnd->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_END;
EraseBlockEnd->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
EraseBlockEnd->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
if (Device->SectorAddressing) {
EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)EndLba;
} else {
EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (EndLba, Device->BlockMedia.BlockSize);
}
EraseBlockEnd->IsEnd = IsEnd;
EraseBlockEnd->Token = Token;
if ((Token != NULL) && (Token->Event != NULL)) {
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
AsyncIoCallback,
EraseBlockEnd,
&EraseBlockEnd->Event
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else {
EraseBlockEnd->Event = NULL;
}
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockEnd->Packet, EraseBlockEnd->Event);
Error:
if ((Token != NULL) && (Token->Event != NULL)) {
//
// For asynchronous operation, only free request and event in error case.
// The request and event will be freed in asynchronous callback for success case.
//
if (EFI_ERROR (Status) && (EraseBlockEnd != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlockEnd->Link);
gBS->RestoreTPL (OldTpl);
if (EraseBlockEnd->Event != NULL) {
gBS->CloseEvent (EraseBlockEnd->Event);
}
FreePool (EraseBlockEnd);
}
} else {
//
// For synchronous operation, free request whatever the execution result is.
//
if (EraseBlockEnd != NULL) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlockEnd->Link);
gBS->RestoreTPL (OldTpl);
FreePool (EraseBlockEnd);
}
}
return Status;
}
/**
Erase specified blocks through sync or async I/O request.
@param[in] Device A pointer to the SD_DEVICE instance.
@param[in] Token A pointer to the token associated with the transaction.
@param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.
This parameter is only meaningful in async I/O request.
@retval EFI_SUCCESS The request is executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.
@retval Others The request could not be executed successfully.
**/
EFI_STATUS
SdEraseBlock (
IN SD_DEVICE *Device,
IN EFI_BLOCK_IO2_TOKEN *Token,
IN BOOLEAN IsEnd
)
{
EFI_STATUS Status;
EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
SD_REQUEST *EraseBlock;
EFI_TPL OldTpl;
EraseBlock = NULL;
PassThru = Device->Private->PassThru;
EraseBlock = AllocateZeroPool (sizeof (SD_REQUEST));
if (EraseBlock == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
EraseBlock->Signature = SD_REQUEST_SIGNATURE;
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
InsertTailList (&Device->Queue, &EraseBlock->Link);
gBS->RestoreTPL (OldTpl);
EraseBlock->Packet.SdMmcCmdBlk = &EraseBlock->SdMmcCmdBlk;
EraseBlock->Packet.SdMmcStatusBlk = &EraseBlock->SdMmcStatusBlk;
EraseBlock->Packet.Timeout = SD_GENERIC_TIMEOUT;
EraseBlock->SdMmcCmdBlk.CommandIndex = SD_ERASE;
EraseBlock->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
EraseBlock->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
EraseBlock->IsEnd = IsEnd;
EraseBlock->Token = Token;
if ((Token != NULL) && (Token->Event != NULL)) {
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
AsyncIoCallback,
EraseBlock,
&EraseBlock->Event
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else {
EraseBlock->Event = NULL;
}
Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlock->Packet, EraseBlock->Event);
Error:
if ((Token != NULL) && (Token->Event != NULL)) {
//
// For asynchronous operation, only free request and event in error case.
// The request and event will be freed in asynchronous callback for success case.
//
if (EFI_ERROR (Status) && (EraseBlock != NULL)) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlock->Link);
gBS->RestoreTPL (OldTpl);
if (EraseBlock->Event != NULL) {
gBS->CloseEvent (EraseBlock->Event);
}
FreePool (EraseBlock);
}
} else {
//
// For synchronous operation, free request whatever the execution result is.
//
if (EraseBlock != NULL) {
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
RemoveEntryList (&EraseBlock->Link);
gBS->RestoreTPL (OldTpl);
FreePool (EraseBlock);
}
}
return Status;
}
/**
Erase a specified number of device blocks.
@param[in] This Indicates a pointer to the calling context.
@param[in] MediaId The media ID that the erase request is for.
@param[in] Lba The starting logical block address to be
erased. The caller is responsible for erasing
only legitimate locations.
@param[in, out] Token A pointer to the token associated with the
transaction.
@param[in] Size The size in bytes to be erased. This must be
a multiple of the physical block size of the
device.
@retval EFI_SUCCESS The erase request was queued if Event is not
NULL. The data was erased correctly to the
device if the Event is NULL.to the device.
@retval EFI_WRITE_PROTECTED The device cannot be erased due to write
protection.
@retval EFI_DEVICE_ERROR The device reported an error while attempting
to perform the erase operation.
@retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not
valid.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
**/
EFI_STATUS
EFIAPI
SdEraseBlocks (
IN EFI_ERASE_BLOCK_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN OUT EFI_ERASE_BLOCK_TOKEN *Token,
IN UINTN Size
)
{
EFI_STATUS Status;
EFI_BLOCK_IO_MEDIA *Media;
UINTN BlockSize;
UINTN BlockNum;
EFI_LBA LastLba;
SD_DEVICE *Device;
Status = EFI_SUCCESS;
Device = SD_DEVICE_DATA_FROM_ERASEBLK (This);
Media = &Device->BlockMedia;
if (MediaId != Media->MediaId) {
return EFI_MEDIA_CHANGED;
}
if (Media->ReadOnly) {
return EFI_WRITE_PROTECTED;
}
//
// Check parameters.
//
BlockSize = Media->BlockSize;
if ((Size % BlockSize) != 0) {
return EFI_INVALID_PARAMETER;
}
BlockNum = Size / BlockSize;
if ((Lba + BlockNum - 1) > Media->LastBlock) {
return EFI_INVALID_PARAMETER;
}
if ((Token != NULL) && (Token->Event != NULL)) {
Token->TransactionStatus = EFI_SUCCESS;
}
LastLba = Lba + BlockNum - 1;
Status = SdEraseBlockStart (Device, Lba, (EFI_BLOCK_IO2_TOKEN *)Token, FALSE);
if (EFI_ERROR (Status)) {
return Status;
}
Status = SdEraseBlockEnd (Device, LastLba, (EFI_BLOCK_IO2_TOKEN *)Token, FALSE);
if (EFI_ERROR (Status)) {
return Status;
}
Status = SdEraseBlock (Device, (EFI_BLOCK_IO2_TOKEN *)Token, TRUE);
if (EFI_ERROR (Status)) {
return Status;
}
DEBUG ((
DEBUG_INFO,
"SdEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",
Lba,
BlockNum,
(Token != NULL) ? Token->Event : NULL,
Status
));
return Status;
}