mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
515 lines
21 KiB
C
515 lines
21 KiB
C
|
/** @file
|
||
|
|
|
||
|
|
Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
|
||
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#ifndef _EMMC_BLOCK_IO_PEI_H_
|
||
|
|
#define _EMMC_BLOCK_IO_PEI_H_
|
||
|
|
|
||
|
|
#include <PiPei.h>
|
||
|
|
|
||
|
|
#include <Ppi/SdMmcHostController.h>
|
||
|
|
#include <Ppi/BlockIo.h>
|
||
|
|
#include <Ppi/BlockIo2.h>
|
||
|
|
#include <Ppi/IoMmu.h>
|
||
|
|
#include <Ppi/EndOfPeiPhase.h>
|
||
|
|
|
||
|
|
#include <Library/DebugLib.h>
|
||
|
|
#include <Library/BaseLib.h>
|
||
|
|
#include <Library/BaseMemoryLib.h>
|
||
|
|
#include <Library/MemoryAllocationLib.h>
|
||
|
|
#include <Library/IoLib.h>
|
||
|
|
#include <Library/TimerLib.h>
|
||
|
|
#include <Library/PeiServicesLib.h>
|
||
|
|
|
||
|
|
#include <IndustryStandard/Emmc.h>
|
||
|
|
|
||
|
|
typedef struct _EMMC_PEIM_HC_PRIVATE_DATA EMMC_PEIM_HC_PRIVATE_DATA;
|
||
|
|
typedef struct _EMMC_PEIM_HC_SLOT EMMC_PEIM_HC_SLOT;
|
||
|
|
typedef struct _EMMC_TRB EMMC_TRB;
|
||
|
|
|
||
|
|
#include "EmmcHci.h"
|
||
|
|
#include "EmmcHcMem.h"
|
||
|
|
|
||
|
|
#define EMMC_PEIM_SIG SIGNATURE_32 ('E', 'M', 'C', 'P')
|
||
|
|
#define EMMC_PEIM_SLOT_SIG SIGNATURE_32 ('E', 'M', 'C', 'S')
|
||
|
|
|
||
|
|
#define EMMC_PEIM_MAX_SLOTS 6
|
||
|
|
#define EMMC_PEIM_MAX_PARTITIONS 8
|
||
|
|
|
||
|
|
struct _EMMC_PEIM_HC_SLOT {
|
||
|
|
UINT32 Signature;
|
||
|
|
EFI_PEI_BLOCK_IO2_MEDIA Media[EMMC_PEIM_MAX_PARTITIONS];
|
||
|
|
UINT8 MediaNum;
|
||
|
|
EMMC_PARTITION_TYPE PartitionType[EMMC_PEIM_MAX_PARTITIONS];
|
||
|
|
|
||
|
|
UINTN EmmcHcBase;
|
||
|
|
EMMC_HC_SLOT_CAP Capability;
|
||
|
|
EMMC_CSD Csd;
|
||
|
|
EMMC_EXT_CSD ExtCsd;
|
||
|
|
BOOLEAN SectorAddressing;
|
||
|
|
EMMC_PEIM_HC_PRIVATE_DATA *Private;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct _EMMC_PEIM_HC_PRIVATE_DATA {
|
||
|
|
UINT32 Signature;
|
||
|
|
EMMC_PEIM_MEM_POOL *Pool;
|
||
|
|
EFI_PEI_RECOVERY_BLOCK_IO_PPI BlkIoPpi;
|
||
|
|
EFI_PEI_RECOVERY_BLOCK_IO2_PPI BlkIo2Ppi;
|
||
|
|
EFI_PEI_PPI_DESCRIPTOR BlkIoPpiList;
|
||
|
|
EFI_PEI_PPI_DESCRIPTOR BlkIo2PpiList;
|
||
|
|
|
||
|
|
//
|
||
|
|
// EndOfPei callback is used to do the cleanups before exit of PEI phase.
|
||
|
|
//
|
||
|
|
EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList;
|
||
|
|
|
||
|
|
EMMC_PEIM_HC_SLOT Slot[EMMC_PEIM_MAX_SLOTS];
|
||
|
|
UINT8 SlotNum;
|
||
|
|
UINT8 TotalBlkIoDevices;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define EMMC_TIMEOUT MultU64x32((UINT64)(3), 1000000)
|
||
|
|
#define GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS(a) CR (a, EMMC_PEIM_HC_PRIVATE_DATA, BlkIoPpi, EMMC_PEIM_SIG)
|
||
|
|
#define GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS2(a) CR (a, EMMC_PEIM_HC_PRIVATE_DATA, BlkIo2Ppi, EMMC_PEIM_SIG)
|
||
|
|
#define GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS_NOTIFY(a) CR (a, EMMC_PEIM_HC_PRIVATE_DATA, EndOfPeiNotifyList, EMMC_PEIM_SIG)
|
||
|
|
|
||
|
|
struct _EMMC_TRB {
|
||
|
|
EMMC_PEIM_HC_SLOT *Slot;
|
||
|
|
UINT16 BlockSize;
|
||
|
|
|
||
|
|
EMMC_COMMAND_PACKET *Packet;
|
||
|
|
VOID *Data;
|
||
|
|
UINT32 DataLen;
|
||
|
|
BOOLEAN Read;
|
||
|
|
EFI_PHYSICAL_ADDRESS DataPhy;
|
||
|
|
VOID *DataMap;
|
||
|
|
EMMC_HC_TRANSFER_MODE Mode;
|
||
|
|
|
||
|
|
UINT64 Timeout;
|
||
|
|
|
||
|
|
EMMC_HC_ADMA_DESC_LINE *AdmaDesc;
|
||
|
|
UINTN AdmaDescSize;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
Gets the count of block I/O devices that one specific block driver detects.
|
||
|
|
|
||
|
|
This function is used for getting the count of block I/O devices that one
|
||
|
|
specific block driver detects. To the PEI ATAPI driver, it returns the number
|
||
|
|
of all the detected ATAPI devices it detects during the enumeration process.
|
||
|
|
To the PEI legacy floppy driver, it returns the number of all the legacy
|
||
|
|
devices it finds during its enumeration process. If no device is detected,
|
||
|
|
then the function will return zero.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available
|
||
|
|
to every PEIM.
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI
|
||
|
|
instance.
|
||
|
|
@param[out] NumberBlockDevices The number of block I/O devices discovered.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The operation performed successfully.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimGetDeviceNo (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
|
||
|
|
OUT UINTN *NumberBlockDevices
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Gets a block device's media information.
|
||
|
|
|
||
|
|
This function will provide the caller with the specified block device's media
|
||
|
|
information. If the media changes, calling this function will update the media
|
||
|
|
information accordingly.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available to every
|
||
|
|
PEIM
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
|
||
|
|
@param[in] DeviceIndex Specifies the block device to which the function wants
|
||
|
|
to talk. Because the driver that implements Block I/O
|
||
|
|
PPIs will manage multiple block devices, the PPIs that
|
||
|
|
want to talk to a single device must specify the
|
||
|
|
device index that was assigned during the enumeration
|
||
|
|
process. This index is a number from one to
|
||
|
|
NumberBlockDevices.
|
||
|
|
@param[out] MediaInfo The media information of the specified block media.
|
||
|
|
The caller is responsible for the ownership of this
|
||
|
|
data structure.
|
||
|
|
|
||
|
|
@par Note:
|
||
|
|
The MediaInfo structure describes an enumeration of possible block device
|
||
|
|
types. This enumeration exists because no device paths are actually passed
|
||
|
|
across interfaces that describe the type or class of hardware that is publishing
|
||
|
|
the block I/O interface. This enumeration will allow for policy decisions
|
||
|
|
in the Recovery PEIM, such as "Try to recover from legacy floppy first,
|
||
|
|
LS-120 second, CD-ROM third." If there are multiple partitions abstracted
|
||
|
|
by a given device type, they should be reported in ascending order; this
|
||
|
|
order also applies to nested partitions, such as legacy MBR, where the
|
||
|
|
outermost partitions would have precedence in the reporting order. The
|
||
|
|
same logic applies to systems such as IDE that have precedence relationships
|
||
|
|
like "Master/Slave" or "Primary/Secondary". The master device should be
|
||
|
|
reported first, the slave second.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Media information about the specified block device
|
||
|
|
was obtained successfully.
|
||
|
|
@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
|
||
|
|
error.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimGetMediaInfo (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
|
||
|
|
IN UINTN DeviceIndex,
|
||
|
|
OUT EFI_PEI_BLOCK_IO_MEDIA *MediaInfo
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Reads the requested number of blocks from the specified block device.
|
||
|
|
|
||
|
|
The function reads the requested number of blocks from the device. All the
|
||
|
|
blocks are read, or an error is returned. If there is no media in the device,
|
||
|
|
the function returns EFI_NO_MEDIA.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available to
|
||
|
|
every PEIM.
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
|
||
|
|
@param[in] DeviceIndex Specifies the block device to which the function wants
|
||
|
|
to talk. Because the driver that implements Block I/O
|
||
|
|
PPIs will manage multiple block devices, PPIs that
|
||
|
|
want to talk to a single device must specify the device
|
||
|
|
index that was assigned during the enumeration process.
|
||
|
|
This index is a number from one to NumberBlockDevices.
|
||
|
|
@param[in] StartLBA The starting logical block address (LBA) to read from
|
||
|
|
on the device
|
||
|
|
@param[in] BufferSize The size of the Buffer in bytes. This number 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 the 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 attempting
|
||
|
|
to perform the read operation.
|
||
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
|
||
|
|
valid, or the buffer is not properly aligned.
|
||
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
||
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
|
||
|
|
the intrinsic block size of the device.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimReadBlocks (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
|
||
|
|
IN UINTN DeviceIndex,
|
||
|
|
IN EFI_PEI_LBA StartLBA,
|
||
|
|
IN UINTN BufferSize,
|
||
|
|
OUT VOID *Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Gets the count of block I/O devices that one specific block driver detects.
|
||
|
|
|
||
|
|
This function is used for getting the count of block I/O devices that one
|
||
|
|
specific block driver detects. To the PEI ATAPI driver, it returns the number
|
||
|
|
of all the detected ATAPI devices it detects during the enumeration process.
|
||
|
|
To the PEI legacy floppy driver, it returns the number of all the legacy
|
||
|
|
devices it finds during its enumeration process. If no device is detected,
|
||
|
|
then the function will return zero.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available
|
||
|
|
to every PEIM.
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI
|
||
|
|
instance.
|
||
|
|
@param[out] NumberBlockDevices The number of block I/O devices discovered.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The operation performed successfully.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimGetDeviceNo2 (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
|
||
|
|
OUT UINTN *NumberBlockDevices
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Gets a block device's media information.
|
||
|
|
|
||
|
|
This function will provide the caller with the specified block device's media
|
||
|
|
information. If the media changes, calling this function will update the media
|
||
|
|
information accordingly.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available to every
|
||
|
|
PEIM
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
|
||
|
|
@param[in] DeviceIndex Specifies the block device to which the function wants
|
||
|
|
to talk. Because the driver that implements Block I/O
|
||
|
|
PPIs will manage multiple block devices, the PPIs that
|
||
|
|
want to talk to a single device must specify the
|
||
|
|
device index that was assigned during the enumeration
|
||
|
|
process. This index is a number from one to
|
||
|
|
NumberBlockDevices.
|
||
|
|
@param[out] MediaInfo The media information of the specified block media.
|
||
|
|
The caller is responsible for the ownership of this
|
||
|
|
data structure.
|
||
|
|
|
||
|
|
@par Note:
|
||
|
|
The MediaInfo structure describes an enumeration of possible block device
|
||
|
|
types. This enumeration exists because no device paths are actually passed
|
||
|
|
across interfaces that describe the type or class of hardware that is publishing
|
||
|
|
the block I/O interface. This enumeration will allow for policy decisions
|
||
|
|
in the Recovery PEIM, such as "Try to recover from legacy floppy first,
|
||
|
|
LS-120 second, CD-ROM third." If there are multiple partitions abstracted
|
||
|
|
by a given device type, they should be reported in ascending order; this
|
||
|
|
order also applies to nested partitions, such as legacy MBR, where the
|
||
|
|
outermost partitions would have precedence in the reporting order. The
|
||
|
|
same logic applies to systems such as IDE that have precedence relationships
|
||
|
|
like "Master/Slave" or "Primary/Secondary". The master device should be
|
||
|
|
reported first, the slave second.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Media information about the specified block device
|
||
|
|
was obtained successfully.
|
||
|
|
@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
|
||
|
|
error.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimGetMediaInfo2 (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
|
||
|
|
IN UINTN DeviceIndex,
|
||
|
|
OUT EFI_PEI_BLOCK_IO2_MEDIA *MediaInfo
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Reads the requested number of blocks from the specified block device.
|
||
|
|
|
||
|
|
The function reads the requested number of blocks from the device. All the
|
||
|
|
blocks are read, or an error is returned. If there is no media in the device,
|
||
|
|
the function returns EFI_NO_MEDIA.
|
||
|
|
|
||
|
|
@param[in] PeiServices General-purpose services that are available to
|
||
|
|
every PEIM.
|
||
|
|
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
|
||
|
|
@param[in] DeviceIndex Specifies the block device to which the function wants
|
||
|
|
to talk. Because the driver that implements Block I/O
|
||
|
|
PPIs will manage multiple block devices, PPIs that
|
||
|
|
want to talk to a single device must specify the device
|
||
|
|
index that was assigned during the enumeration process.
|
||
|
|
This index is a number from one to NumberBlockDevices.
|
||
|
|
@param[in] StartLBA The starting logical block address (LBA) to read from
|
||
|
|
on the device
|
||
|
|
@param[in] BufferSize The size of the Buffer in bytes. This number 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 the 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 attempting
|
||
|
|
to perform the read operation.
|
||
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
|
||
|
|
valid, or the buffer is not properly aligned.
|
||
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
||
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
|
||
|
|
the intrinsic block size of the device.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimReadBlocks2 (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
|
||
|
|
IN UINTN DeviceIndex,
|
||
|
|
IN EFI_PEI_LBA StartLBA,
|
||
|
|
IN UINTN BufferSize,
|
||
|
|
OUT VOID *Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Initialize the memory management pool for the host controller.
|
||
|
|
|
||
|
|
@param Private The Emmc Peim driver private data.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The memory pool is initialized.
|
||
|
|
@retval Others Fail to init the memory pool.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EmmcPeimInitMemPool (
|
||
|
|
IN EMMC_PEIM_HC_PRIVATE_DATA *Private
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Release the memory management pool.
|
||
|
|
|
||
|
|
@param Pool The memory pool to free.
|
||
|
|
|
||
|
|
@retval EFI_DEVICE_ERROR Fail to free the memory pool.
|
||
|
|
@retval EFI_SUCCESS The memory pool is freed.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EmmcPeimFreeMemPool (
|
||
|
|
IN EMMC_PEIM_MEM_POOL *Pool
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Allocate some memory from the host controller's memory pool
|
||
|
|
which can be used to communicate with host controller.
|
||
|
|
|
||
|
|
@param Pool The host controller's memory pool.
|
||
|
|
@param Size Size of the memory to allocate.
|
||
|
|
|
||
|
|
@return The allocated memory or NULL.
|
||
|
|
|
||
|
|
**/
|
||
|
|
VOID *
|
||
|
|
EmmcPeimAllocateMem (
|
||
|
|
IN EMMC_PEIM_MEM_POOL *Pool,
|
||
|
|
IN UINTN Size
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Free the allocated memory back to the memory pool.
|
||
|
|
|
||
|
|
@param Pool The memory pool of the host controller.
|
||
|
|
@param Mem The memory to free.
|
||
|
|
@param Size The size of the memory to free.
|
||
|
|
|
||
|
|
**/
|
||
|
|
VOID
|
||
|
|
EmmcPeimFreeMem (
|
||
|
|
IN EMMC_PEIM_MEM_POOL *Pool,
|
||
|
|
IN VOID *Mem,
|
||
|
|
IN UINTN Size
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Initialize IOMMU.
|
||
|
|
**/
|
||
|
|
VOID
|
||
|
|
IoMmuInit (
|
||
|
|
VOID
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Provides the controller-specific addresses required to access system memory from a
|
||
|
|
DMA bus master.
|
||
|
|
|
||
|
|
@param Operation Indicates if the bus master is going to read or write to system memory.
|
||
|
|
@param HostAddress The system memory address to map to the PCI controller.
|
||
|
|
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes
|
||
|
|
that were mapped.
|
||
|
|
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
|
||
|
|
access the hosts HostAddress.
|
||
|
|
@param Mapping A resulting value to pass to Unmap().
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
|
||
|
|
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
|
||
|
|
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
||
|
|
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
IoMmuMap (
|
||
|
|
IN EDKII_IOMMU_OPERATION Operation,
|
||
|
|
IN VOID *HostAddress,
|
||
|
|
IN OUT UINTN *NumberOfBytes,
|
||
|
|
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
|
||
|
|
OUT VOID **Mapping
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Completes the Map() operation and releases any corresponding resources.
|
||
|
|
|
||
|
|
@param Mapping The mapping value returned from Map().
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The range was unmapped.
|
||
|
|
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
|
||
|
|
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
IoMmuUnmap (
|
||
|
|
IN VOID *Mapping
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Allocates pages that are suitable for an OperationBusMasterCommonBuffer or
|
||
|
|
OperationBusMasterCommonBuffer64 mapping.
|
||
|
|
|
||
|
|
@param Pages The number of pages to allocate.
|
||
|
|
@param HostAddress A pointer to store the base system memory address of the
|
||
|
|
allocated range.
|
||
|
|
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
|
||
|
|
access the hosts HostAddress.
|
||
|
|
@param Mapping A resulting value to pass to Unmap().
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The requested memory pages were allocated.
|
||
|
|
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
|
||
|
|
MEMORY_WRITE_COMBINE and MEMORY_CACHED.
|
||
|
|
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
IoMmuAllocateBuffer (
|
||
|
|
IN UINTN Pages,
|
||
|
|
OUT VOID **HostAddress,
|
||
|
|
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
|
||
|
|
OUT VOID **Mapping
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Frees memory that was allocated with AllocateBuffer().
|
||
|
|
|
||
|
|
@param Pages The number of pages to free.
|
||
|
|
@param HostAddress The base system memory address of the allocated range.
|
||
|
|
@param Mapping The mapping value returned from Map().
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The requested memory pages were freed.
|
||
|
|
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
|
||
|
|
was not allocated with AllocateBuffer().
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
IoMmuFreeBuffer (
|
||
|
|
IN UINTN Pages,
|
||
|
|
IN VOID *HostAddress,
|
||
|
|
IN VOID *Mapping
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
One notified function to cleanup the allocated DMA buffers at the end of PEI.
|
||
|
|
|
||
|
|
@param[in] PeiServices Pointer to PEI Services Table.
|
||
|
|
@param[in] NotifyDescriptor Pointer to the descriptor for the Notification
|
||
|
|
event that caused this function to execute.
|
||
|
|
@param[in] Ppi Pointer to the PPI data associated with this function.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The function completes successfully
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
EmmcBlockIoPeimEndOfPei (
|
||
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
||
|
|
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
|
||
|
|
IN VOID *Ppi
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif
|