MdeModulePkg RamDiskDxe: Install Block I/O 2 Protocol on RAM disk devices
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hpe.com> Reviewed-by: Feng Tian <feng.tian@intel.com>
This commit is contained in:
@@ -30,6 +30,7 @@
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#include <Library/PrintLib.h>
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#include <Protocol/RamDisk.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/BlockIo2.h>
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#include <Protocol/HiiConfigAccess.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Guid/MdeModuleHii.h>
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@@ -86,6 +87,7 @@ typedef struct {
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EFI_HANDLE Handle;
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EFI_BLOCK_IO_PROTOCOL BlockIo;
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EFI_BLOCK_IO2_PROTOCOL BlockIo2;
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EFI_BLOCK_IO_MEDIA Media;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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@@ -100,6 +102,7 @@ typedef struct {
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#define RAM_DISK_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('R', 'D', 'S', 'K')
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#define RAM_DISK_PRIVATE_FROM_BLKIO(a) CR (a, RAM_DISK_PRIVATE_DATA, BlockIo, RAM_DISK_PRIVATE_DATA_SIGNATURE)
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#define RAM_DISK_PRIVATE_FROM_BLKIO2(a) CR (a, RAM_DISK_PRIVATE_DATA, BlockIo2, RAM_DISK_PRIVATE_DATA_SIGNATURE)
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#define RAM_DISK_PRIVATE_FROM_THIS(a) CR (a, RAM_DISK_PRIVATE_DATA, ThisInstance, RAM_DISK_PRIVATE_DATA_SIGNATURE)
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///
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@@ -310,6 +313,137 @@ RamDiskBlkIoFlushBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This
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);
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/**
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Resets the block device hardware.
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@param[in] This The pointer of EFI_BLOCK_IO2_PROTOCOL.
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@param[in] ExtendedVerification The flag about if extend verificate.
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The block device is not functioning correctly
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and could not be reset.
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**/
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EFI_STATUS
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EFIAPI
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RamDiskBlkIo2Reset (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Reads the requested number of blocks from the device.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] MediaId The media ID that the read request is for.
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@param[in] Lba The starting logical block address to read
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from on the device.
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@param[in, out] Token A pointer to the token associated with the
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transaction.
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@param[in] BufferSize The size of the Buffer in bytes. This must be
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a multiple of the intrinsic block size of the
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device.
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@param[out] Buffer A pointer to the destination buffer for the
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data. The caller is responsible for either
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having implicit or explicit ownership of the
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buffer.
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@retval EFI_SUCCESS The read request was queued if Token->Event
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is not NULL. The data was read correctly from
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the device if the Token->Event is NULL.
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@retval EFI_DEVICE_ERROR The device reported an error while attempting
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to perform the read operation.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
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@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
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the intrinsic block size of the device.
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@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
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valid, or the buffer is not on proper
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alignment.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
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lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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RamDiskBlkIo2ReadBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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/**
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Writes a specified number of blocks to the device.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] MediaId The media ID that the write request is for.
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@param[in] Lba The starting logical block address to be
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written. The caller is responsible for
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writing to only legitimate locations.
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@param[in, out] Token A pointer to the token associated with the
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transaction.
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@param[in] BufferSize The size in bytes of Buffer. This must be a
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multiple of the intrinsic block size of the
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device.
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@param[in] Buffer A pointer to the source buffer for the data.
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@retval EFI_SUCCESS The write request was queued if Event is not
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NULL. The data was written correctly to the
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device if the Event is NULL.
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@retval EFI_WRITE_PROTECTED The device cannot be written to.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
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@retval EFI_DEVICE_ERROR The device reported an error while attempting
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to perform the write operation.
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@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
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the intrinsic block size of the device.
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@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not
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valid, or the buffer is not on proper
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alignment.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
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lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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RamDiskBlkIo2WriteBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token,
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IN UINTN BufferSize,
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IN VOID *Buffer
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);
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/**
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Flushes all modified data to a physical block device.
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@param[in] This Indicates a pointer to the calling context.
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@param[in, out] Token A pointer to the token associated with the
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transaction.
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@retval EFI_SUCCESS The flush request was queued if Event is not
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NULL. All outstanding data was written
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correctly to the device if the Event is NULL.
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@retval EFI_DEVICE_ERROR The device reported an error while attempting
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to write data.
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@retval EFI_WRITE_PROTECTED The device cannot be written to.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
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lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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RamDiskBlkIo2FlushBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token
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);
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/**
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This function publish the RAM disk configuration Form.
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