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CloverBootloader/MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskImpl.h
Sergey Isakov 7c0aa811ec initial commit Clover sources 5061 and modules from EDK2 latest with legacy codes from UDK2018 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-03 12:58:42 +03:00

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/** @file
The header file of RamDiskDxe driver.
Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<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
//
// Iterate through the double linked list. NOT delete safe
//
#define EFI_LIST_FOR_EACH(Entry, ListHead) \
for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)
//
// Iterate through the double linked list. This is delete-safe.
// Do not touch NextEntry
//
#define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \
for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\
Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)
//
// 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
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