mirror of
				https://github.com/acidanthera/audk.git
				synced 2025-10-30 18:53:45 +01:00 
			
		
		
		
	REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1959 Replaces usage of the linked list iteration macros defined in RamDiskImpl.h with the common definition in BaseLib.h. Cc: Dandan Bi <dandan.bi@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Liming Gao <liming.gao@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Sean Brogan <sean.brogan@microsoft.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Bret Barkelew <bret.barkelew@microsoft.com>
		
			
				
	
	
		
			605 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			605 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
|   The header file of RamDiskDxe driver.
 | |
| 
 | |
|   Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
 | |
|   Copyright (c) Microsoft Corporation.<BR>
 | |
|   SPDX-License-Identifier: BSD-2-Clause-Patent
 | |
| 
 | |
| **/
 | |
| 
 | |
| #ifndef _RAM_DISK_IMPL_H_
 | |
| #define _RAM_DISK_IMPL_H_
 | |
| 
 | |
| #include <Uefi.h>
 | |
| #include <Library/BaseLib.h>
 | |
| #include <Library/BaseMemoryLib.h>
 | |
| #include <Library/DebugLib.h>
 | |
| #include <Library/UefiLib.h>
 | |
| #include <Library/UefiDriverEntryPoint.h>
 | |
| #include <Library/UefiBootServicesTableLib.h>
 | |
| #include <Library/UefiHiiServicesLib.h>
 | |
| #include <Library/MemoryAllocationLib.h>
 | |
| #include <Library/HiiLib.h>
 | |
| #include <Library/FileExplorerLib.h>
 | |
| #include <Library/DevicePathLib.h>
 | |
| #include <Library/PrintLib.h>
 | |
| #include <Library/PcdLib.h>
 | |
| #include <Library/DxeServicesLib.h>
 | |
| #include <Protocol/RamDisk.h>
 | |
| #include <Protocol/BlockIo.h>
 | |
| #include <Protocol/BlockIo2.h>
 | |
| #include <Protocol/HiiConfigAccess.h>
 | |
| #include <Protocol/SimpleFileSystem.h>
 | |
| #include <Protocol/AcpiTable.h>
 | |
| #include <Protocol/AcpiSystemDescriptionTable.h>
 | |
| #include <Guid/MdeModuleHii.h>
 | |
| #include <Guid/RamDiskHii.h>
 | |
| #include <Guid/FileInfo.h>
 | |
| #include <IndustryStandard/Acpi61.h>
 | |
| 
 | |
| #include "RamDiskNVData.h"
 | |
| 
 | |
| ///
 | |
| /// RAM disk general definitions and declarations
 | |
| ///
 | |
| 
 | |
| //
 | |
| // Default block size for RAM disk
 | |
| //
 | |
| #define RAM_DISK_DEFAULT_BLOCK_SIZE 512
 | |
| 
 | |
| //
 | |
| // RamDiskDxe driver maintains a list of registered RAM disks.
 | |
| //
 | |
| extern  LIST_ENTRY                RegisteredRamDisks;
 | |
| 
 | |
| //
 | |
| // Pointers to the EFI_ACPI_TABLE_PROTOCOL and EFI_ACPI_SDT_PROTOCOL.
 | |
| //
 | |
| extern  EFI_ACPI_TABLE_PROTOCOL   *mAcpiTableProtocol;
 | |
| extern  EFI_ACPI_SDT_PROTOCOL     *mAcpiSdtProtocol;
 | |
| 
 | |
| //
 | |
| // RAM Disk create method.
 | |
| //
 | |
| typedef enum _RAM_DISK_CREATE_METHOD {
 | |
|   RamDiskCreateOthers             = 0,
 | |
|   RamDiskCreateHii
 | |
| } RAM_DISK_CREATE_METHOD;
 | |
| 
 | |
| //
 | |
| // RamDiskDxe driver maintains a list of registered RAM disks.
 | |
| // The struct contains the list entry and the information of each RAM
 | |
| // disk
 | |
| //
 | |
| typedef struct {
 | |
|   UINTN                           Signature;
 | |
| 
 | |
|   EFI_HANDLE                      Handle;
 | |
| 
 | |
|   EFI_BLOCK_IO_PROTOCOL           BlockIo;
 | |
|   EFI_BLOCK_IO2_PROTOCOL          BlockIo2;
 | |
|   EFI_BLOCK_IO_MEDIA              Media;
 | |
|   EFI_DEVICE_PATH_PROTOCOL        *DevicePath;
 | |
| 
 | |
|   UINT64                          StartingAddr;
 | |
|   UINT64                          Size;
 | |
|   EFI_GUID                        TypeGuid;
 | |
|   UINT16                          InstanceNumber;
 | |
|   RAM_DISK_CREATE_METHOD          CreateMethod;
 | |
|   BOOLEAN                         InNfit;
 | |
|   EFI_QUESTION_ID                 CheckBoxId;
 | |
|   BOOLEAN                         CheckBoxChecked;
 | |
| 
 | |
|   LIST_ENTRY                      ThisInstance;
 | |
| } RAM_DISK_PRIVATE_DATA;
 | |
| 
 | |
| #define RAM_DISK_PRIVATE_DATA_SIGNATURE     SIGNATURE_32 ('R', 'D', 'S', 'K')
 | |
| #define RAM_DISK_PRIVATE_FROM_BLKIO(a)      CR (a, RAM_DISK_PRIVATE_DATA, BlockIo, RAM_DISK_PRIVATE_DATA_SIGNATURE)
 | |
| #define RAM_DISK_PRIVATE_FROM_BLKIO2(a)     CR (a, RAM_DISK_PRIVATE_DATA, BlockIo2, RAM_DISK_PRIVATE_DATA_SIGNATURE)
 | |
| #define RAM_DISK_PRIVATE_FROM_THIS(a)       CR (a, RAM_DISK_PRIVATE_DATA, ThisInstance, RAM_DISK_PRIVATE_DATA_SIGNATURE)
 | |
| 
 | |
| ///
 | |
| /// RAM disk HII-related definitions and declarations
 | |
| ///
 | |
| 
 | |
| //
 | |
| // Tool generated IFR binary data and String package data
 | |
| //
 | |
| extern  UINT8                     RamDiskHiiBin[];
 | |
| extern  UINT8                     RamDiskDxeStrings[];
 | |
| 
 | |
| typedef struct {
 | |
|   VENDOR_DEVICE_PATH              VendorDevicePath;
 | |
|   EFI_DEVICE_PATH_PROTOCOL        End;
 | |
| } HII_VENDOR_DEVICE_PATH;
 | |
| 
 | |
| typedef struct {
 | |
|   UINTN                           Signature;
 | |
| 
 | |
|   RAM_DISK_CONFIGURATION          ConfigStore;
 | |
| 
 | |
|   EFI_HII_CONFIG_ACCESS_PROTOCOL  ConfigAccess;
 | |
|   EFI_HANDLE                      DriverHandle;
 | |
|   EFI_HII_HANDLE                  HiiHandle;
 | |
| } RAM_DISK_CONFIG_PRIVATE_DATA;
 | |
| 
 | |
| extern RAM_DISK_CONFIG_PRIVATE_DATA    mRamDiskConfigPrivateDataTemplate;
 | |
| 
 | |
| #define RAM_DISK_CONFIG_PRIVATE_DATA_SIGNATURE   SIGNATURE_32 ('R', 'C', 'F', 'G')
 | |
| #define RAM_DISK_CONFIG_PRIVATE_FROM_THIS(a)     CR (a, RAM_DISK_CONFIG_PRIVATE_DATA, ConfigAccess, RAM_DISK_CONFIG_PRIVATE_DATA_SIGNATURE)
 | |
| 
 | |
| /**
 | |
|   Register a RAM disk with specified address, size and type.
 | |
| 
 | |
|   @param[in]  RamDiskBase    The base address of registered RAM disk.
 | |
|   @param[in]  RamDiskSize    The size of registered RAM disk.
 | |
|   @param[in]  RamDiskType    The type of registered RAM disk. The GUID can be
 | |
|                              any of the values defined in section 9.3.6.9, or a
 | |
|                              vendor defined GUID.
 | |
|   @param[in]  ParentDevicePath
 | |
|                              Pointer to the parent device path. If there is no
 | |
|                              parent device path then ParentDevicePath is NULL.
 | |
|   @param[out] DevicePath     On return, points to a pointer to the device path
 | |
|                              of the RAM disk device.
 | |
|                              If ParentDevicePath is not NULL, the returned
 | |
|                              DevicePath is created by appending a RAM disk node
 | |
|                              to the parent device path. If ParentDevicePath is
 | |
|                              NULL, the returned DevicePath is a RAM disk device
 | |
|                              path without appending. This function is
 | |
|                              responsible for allocating the buffer DevicePath
 | |
|                              with the boot service AllocatePool().
 | |
| 
 | |
|   @retval EFI_SUCCESS             The RAM disk is registered successfully.
 | |
|   @retval EFI_INVALID_PARAMETER   DevicePath or RamDiskType is NULL.
 | |
|                                   RamDiskSize is 0.
 | |
|   @retval EFI_ALREADY_STARTED     A Device Path Protocol instance to be created
 | |
|                                   is already present in the handle database.
 | |
|   @retval EFI_OUT_OF_RESOURCES    The RAM disk register operation fails due to
 | |
|                                   resource limitation.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskRegister (
 | |
|   IN UINT64                       RamDiskBase,
 | |
|   IN UINT64                       RamDiskSize,
 | |
|   IN EFI_GUID                     *RamDiskType,
 | |
|   IN EFI_DEVICE_PATH              *ParentDevicePath     OPTIONAL,
 | |
|   OUT EFI_DEVICE_PATH_PROTOCOL    **DevicePath
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Unregister a RAM disk specified by DevicePath.
 | |
| 
 | |
|   @param[in] DevicePath      A pointer to the device path that describes a RAM
 | |
|                              Disk device.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The RAM disk is unregistered successfully.
 | |
|   @retval EFI_INVALID_PARAMETER   DevicePath is NULL.
 | |
|   @retval EFI_UNSUPPORTED         The device specified by DevicePath is not a
 | |
|                                   valid ramdisk device path and not supported
 | |
|                                   by the driver.
 | |
|   @retval EFI_NOT_FOUND           The RAM disk pointed by DevicePath doesn't
 | |
|                                   exist.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskUnregister (
 | |
|   IN  EFI_DEVICE_PATH_PROTOCOL    *DevicePath
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Initialize the BlockIO protocol of a RAM disk device.
 | |
| 
 | |
|   @param[in] PrivateData     Points to RAM disk private data.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| RamDiskInitBlockIo (
 | |
|   IN     RAM_DISK_PRIVATE_DATA    *PrivateData
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   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
 | |
| RamDiskBlkIoReset (
 | |
|   IN EFI_BLOCK_IO_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]  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 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 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 read request contains LBAs that are not
 | |
|                                   valid, or the buffer is not on proper alignment.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskBlkIoReadBlocks (
 | |
|   IN EFI_BLOCK_IO_PROTOCOL        *This,
 | |
|   IN UINT32                       MediaId,
 | |
|   IN EFI_LBA                      Lba,
 | |
|   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] 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
 | |
| RamDiskBlkIoWriteBlocks (
 | |
|   IN EFI_BLOCK_IO_PROTOCOL        *This,
 | |
|   IN UINT32                       MediaId,
 | |
|   IN EFI_LBA                      Lba,
 | |
|   IN UINTN                        BufferSize,
 | |
|   IN VOID                         *Buffer
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Flush the Block Device.
 | |
| 
 | |
|   @param[in] 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 writting
 | |
|                                   back the data
 | |
|   @retval EFI_NO_MEDIA            There is no media in the device.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskBlkIoFlushBlocks (
 | |
|   IN EFI_BLOCK_IO_PROTOCOL        *This
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Resets the block device hardware.
 | |
| 
 | |
|   @param[in] This                 The pointer of EFI_BLOCK_IO2_PROTOCOL.
 | |
|   @param[in] ExtendedVerification The flag about if extend verificate.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The device was reset.
 | |
|   @retval EFI_DEVICE_ERROR        The block device is not functioning correctly
 | |
|                                   and could not be reset.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskBlkIo2Reset (
 | |
|   IN EFI_BLOCK_IO2_PROTOCOL       *This,
 | |
|   IN BOOLEAN                      ExtendedVerification
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Reads the requested number of blocks from the device.
 | |
| 
 | |
|   @param[in]      This            Indicates a pointer to the calling context.
 | |
|   @param[in]      MediaId         The media ID that the read request is for.
 | |
|   @param[in]      Lba             The starting logical block address to read
 | |
|                                   from on the device.
 | |
|   @param[in, out] Token           A pointer to the token associated with the
 | |
|                                   transaction.
 | |
|   @param[in]      BufferSize      The size of the Buffer in bytes. This must be
 | |
|                                   a multiple of the intrinsic block size of the
 | |
|                                   device.
 | |
|   @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 Token->Event
 | |
|                                   is not NULL. The data was read correctly from
 | |
|                                   the device if the Token->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
 | |
| RamDiskBlkIo2ReadBlocksEx (
 | |
|   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
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Writes a specified number of blocks to the device.
 | |
| 
 | |
|   @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      The size in bytes of Buffer. This must be a
 | |
|                                   multiple of the intrinsic block size of the
 | |
|                                   device.
 | |
|   @param[in]      Buffer          A pointer to the source buffer for the data.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The write request was queued if Event is not
 | |
|                                   NULL. The data was written correctly to the
 | |
|                                   device if the Event is NULL.
 | |
|   @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.
 | |
|   @retval EFI_OUT_OF_RESOURCES    The request could not be completed due to a
 | |
|                                   lack of resources.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskBlkIo2WriteBlocksEx (
 | |
|   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
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Flushes all modified data to a physical 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             The flush request was queued if Event is not
 | |
|                                   NULL. All outstanding data was written
 | |
|                                   correctly to the device if the Event is NULL.
 | |
|   @retval EFI_DEVICE_ERROR        The device reported an error while attempting
 | |
|                                   to write data.
 | |
|   @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_OUT_OF_RESOURCES    The request could not be completed due to a
 | |
|                                   lack of resources.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskBlkIo2FlushBlocksEx (
 | |
|   IN     EFI_BLOCK_IO2_PROTOCOL   *This,
 | |
|   IN OUT EFI_BLOCK_IO2_TOKEN      *Token
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   This function publish the RAM disk configuration Form.
 | |
| 
 | |
|   @param[in, out]  ConfigPrivateData
 | |
|                              Points to RAM disk configuration private data.
 | |
| 
 | |
|   @retval EFI_SUCCESS             HII Form is installed successfully.
 | |
|   @retval EFI_OUT_OF_RESOURCES    Not enough resource for HII Form installation.
 | |
|   @retval Others                  Other errors as indicated.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| InstallRamDiskConfigForm (
 | |
|   IN OUT RAM_DISK_CONFIG_PRIVATE_DATA       *ConfigPrivateData
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   This function removes RAM disk configuration Form.
 | |
| 
 | |
|   @param[in, out]  ConfigPrivateData
 | |
|                              Points to RAM disk configuration private data.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| UninstallRamDiskConfigForm (
 | |
|   IN OUT RAM_DISK_CONFIG_PRIVATE_DATA       *ConfigPrivateData
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Unregister all registered RAM disks.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| UnregisterAllRamDisks (
 | |
|   VOID
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   This function allows a caller to extract the current configuration for one
 | |
|   or more named elements from the target driver.
 | |
| 
 | |
|   @param[in]  This           Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | |
|   @param[in]  Request        A null-terminated Unicode string in
 | |
|                              <ConfigRequest> format.
 | |
|   @param[out] Progress       On return, points to a character in the Request
 | |
|                              string. Points to the string's null terminator if
 | |
|                              request was successful. Points to the most recent
 | |
|                              '&' before the first failing name/value pair (or
 | |
|                              the beginning of the string if the failure is in
 | |
|                              the first name/value pair) if the request was not
 | |
|                              successful.
 | |
|   @param[out] Results        A null-terminated Unicode string in
 | |
|                              <ConfigAltResp> format which has all values filled
 | |
|                              in for the names in the Request string. String to
 | |
|                              be allocated by the called function.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The Results is filled with the requested
 | |
|                                   values.
 | |
|   @retval EFI_OUT_OF_RESOURCES    Not enough memory to store the results.
 | |
|   @retval EFI_INVALID_PARAMETER   Request is illegal syntax, or unknown name.
 | |
|   @retval EFI_NOT_FOUND           Routing data doesn't match any storage in
 | |
|                                   this driver.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskExtractConfig (
 | |
|   IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
 | |
|   IN CONST EFI_STRING                       Request,
 | |
|        OUT EFI_STRING                       *Progress,
 | |
|        OUT EFI_STRING                       *Results
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   This function processes the results of changes in configuration.
 | |
| 
 | |
|   @param[in]  This           Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | |
|   @param[in]  Configuration  A null-terminated Unicode string in <ConfigResp>
 | |
|                              format.
 | |
|   @param[out] Progress       A pointer to a string filled in with the offset of
 | |
|                              the most recent '&' before the first failing
 | |
|                              name/value pair (or the beginning of the string if
 | |
|                              the failure is in the first name/value pair) or
 | |
|                              the terminating NULL if all was successful.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The Results is processed successfully.
 | |
|   @retval EFI_INVALID_PARAMETER   Configuration is NULL.
 | |
|   @retval EFI_NOT_FOUND           Routing data doesn't match any storage in
 | |
|                                   this driver.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskRouteConfig (
 | |
|   IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
 | |
|   IN CONST EFI_STRING                       Configuration,
 | |
|        OUT EFI_STRING                       *Progress
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   This function processes the results of changes in configuration.
 | |
| 
 | |
|   @param[in]  This           Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
 | |
|   @param[in]  Action         Specifies the type of action taken by the browser.
 | |
|   @param[in]  QuestionId     A unique value which is sent to the original
 | |
|                              exporting driver so that it can identify the type
 | |
|                              of data to expect.
 | |
|   @param[in]  Type           The type of value for the question.
 | |
|   @param[in]  Value          A pointer to the data being sent to the original
 | |
|                              exporting driver.
 | |
|   @param[out] ActionRequest  On return, points to the action requested by the
 | |
|                              callback function.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The callback successfully handled the action.
 | |
|   @retval EFI_OUT_OF_RESOURCES    Not enough storage is available to hold the
 | |
|                                   variable and its data.
 | |
|   @retval EFI_DEVICE_ERROR        The variable could not be saved.
 | |
|   @retval EFI_UNSUPPORTED         The specified Action is not supported by the
 | |
|                                   callback.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| RamDiskCallback (
 | |
|   IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
 | |
|   IN     EFI_BROWSER_ACTION                 Action,
 | |
|   IN     EFI_QUESTION_ID                    QuestionId,
 | |
|   IN     UINT8                              Type,
 | |
|   IN     EFI_IFR_TYPE_VALUE                 *Value,
 | |
|      OUT EFI_BROWSER_ACTION_REQUEST         *ActionRequest
 | |
|   );
 | |
| 
 | |
| 
 | |
| /**
 | |
|   This function gets the file information from an open file descriptor,
 | |
|   and stores it in a buffer allocated from pool.
 | |
| 
 | |
|   @param[in] FHand           File Handle.
 | |
| 
 | |
|   @return    A pointer to a buffer with file information or NULL is returned.
 | |
| 
 | |
| **/
 | |
| EFI_FILE_INFO *
 | |
| FileInfo (
 | |
|   IN EFI_FILE_HANDLE                        FHand
 | |
|   );
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Publish the RAM disk NVDIMM Firmware Interface Table (NFIT) to the ACPI
 | |
|   table.
 | |
| 
 | |
|   @param[in] PrivateData          Points to RAM disk private data.
 | |
| 
 | |
|   @retval EFI_SUCCESS             The RAM disk NFIT has been published.
 | |
|   @retval others                  The RAM disk NFIT has not been published.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| RamDiskPublishNfit (
 | |
|   IN RAM_DISK_PRIVATE_DATA        *PrivateData
 | |
|   );
 | |
| 
 | |
| #endif
 |