mirror of https://github.com/acidanthera/audk.git
382 lines
16 KiB
C
382 lines
16 KiB
C
/** @file
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _EMMC_BLOCK_IO_PEI_H_
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#define _EMMC_BLOCK_IO_PEI_H_
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#include <PiPei.h>
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#include <Ppi/SdMmcHostController.h>
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#include <Ppi/BlockIo.h>
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#include <Ppi/BlockIo2.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/IoLib.h>
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#include <Library/TimerLib.h>
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#include <Library/PeiServicesLib.h>
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#include <IndustryStandard/Emmc.h>
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typedef struct _EMMC_PEIM_HC_PRIVATE_DATA EMMC_PEIM_HC_PRIVATE_DATA;
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typedef struct _EMMC_PEIM_HC_SLOT EMMC_PEIM_HC_SLOT;
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typedef struct _EMMC_TRB EMMC_TRB;
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#include "EmmcHci.h"
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#include "EmmcHcMem.h"
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#define EMMC_PEIM_SIG SIGNATURE_32 ('E', 'M', 'C', 'P')
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#define EMMC_PEIM_SLOT_SIG SIGNATURE_32 ('E', 'M', 'C', 'S')
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#define EMMC_PEIM_MAX_SLOTS 6
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#define EMMC_PEIM_MAX_PARTITIONS 8
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struct _EMMC_PEIM_HC_SLOT {
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UINT32 Signature;
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EFI_PEI_BLOCK_IO2_MEDIA Media[EMMC_PEIM_MAX_PARTITIONS];
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UINT8 MediaNum;
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EMMC_PARTITION_TYPE PartitionType[EMMC_PEIM_MAX_PARTITIONS];
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UINTN EmmcHcBase;
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EMMC_HC_SLOT_CAP Capability;
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EMMC_CSD Csd;
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EMMC_EXT_CSD ExtCsd;
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BOOLEAN SectorAddressing;
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EMMC_PEIM_HC_PRIVATE_DATA *Private;
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};
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struct _EMMC_PEIM_HC_PRIVATE_DATA {
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UINT32 Signature;
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EMMC_PEIM_MEM_POOL *Pool;
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EFI_PEI_RECOVERY_BLOCK_IO_PPI BlkIoPpi;
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EFI_PEI_RECOVERY_BLOCK_IO2_PPI BlkIo2Ppi;
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EFI_PEI_PPI_DESCRIPTOR BlkIoPpiList;
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EFI_PEI_PPI_DESCRIPTOR BlkIo2PpiList;
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EMMC_PEIM_HC_SLOT Slot[EMMC_PEIM_MAX_SLOTS];
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UINT8 SlotNum;
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UINT8 TotalBlkIoDevices;
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};
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#define EMMC_TIMEOUT MultU64x32((UINT64)(3), 1000000)
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#define GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS(a) CR (a, EMMC_PEIM_HC_PRIVATE_DATA, BlkIoPpi, EMMC_PEIM_SIG)
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#define GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS2(a) CR (a, EMMC_PEIM_HC_PRIVATE_DATA, BlkIo2Ppi, EMMC_PEIM_SIG)
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struct _EMMC_TRB {
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EMMC_PEIM_HC_SLOT *Slot;
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UINT16 BlockSize;
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EMMC_COMMAND_PACKET *Packet;
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VOID *Data;
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UINT32 DataLen;
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BOOLEAN Read;
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EMMC_HC_TRANSFER_MODE Mode;
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UINT64 Timeout;
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EMMC_HC_ADMA_DESC_LINE *AdmaDesc;
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UINTN AdmaDescSize;
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};
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/**
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Gets the count of block I/O devices that one specific block driver detects.
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This function is used for getting the count of block I/O devices that one
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specific block driver detects. To the PEI ATAPI driver, it returns the number
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of all the detected ATAPI devices it detects during the enumeration process.
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To the PEI legacy floppy driver, it returns the number of all the legacy
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devices it finds during its enumeration process. If no device is detected,
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then the function will return zero.
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@param[in] PeiServices General-purpose services that are available
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to every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI
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instance.
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@param[out] NumberBlockDevices The number of block I/O devices discovered.
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@retval EFI_SUCCESS The operation performed successfully.
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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimGetDeviceNo (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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OUT UINTN *NumberBlockDevices
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);
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/**
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Gets a block device's media information.
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This function will provide the caller with the specified block device's media
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information. If the media changes, calling this function will update the media
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information accordingly.
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@param[in] PeiServices General-purpose services that are available to every
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PEIM
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
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@param[in] DeviceIndex Specifies the block device to which the function wants
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to talk. Because the driver that implements Block I/O
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PPIs will manage multiple block devices, the PPIs that
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want to talk to a single device must specify the
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device index that was assigned during the enumeration
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process. This index is a number from one to
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NumberBlockDevices.
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@param[out] MediaInfo The media information of the specified block media.
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The caller is responsible for the ownership of this
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data structure.
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@par Note:
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The MediaInfo structure describes an enumeration of possible block device
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types. This enumeration exists because no device paths are actually passed
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across interfaces that describe the type or class of hardware that is publishing
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the block I/O interface. This enumeration will allow for policy decisions
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in the Recovery PEIM, such as "Try to recover from legacy floppy first,
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LS-120 second, CD-ROM third." If there are multiple partitions abstracted
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by a given device type, they should be reported in ascending order; this
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order also applies to nested partitions, such as legacy MBR, where the
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outermost partitions would have precedence in the reporting order. The
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same logic applies to systems such as IDE that have precedence relationships
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like "Master/Slave" or "Primary/Secondary". The master device should be
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reported first, the slave second.
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@retval EFI_SUCCESS Media information about the specified block device
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was obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
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error.
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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimGetMediaInfo (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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IN UINTN DeviceIndex,
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OUT EFI_PEI_BLOCK_IO_MEDIA *MediaInfo
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);
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/**
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Reads the requested number of blocks from the specified block device.
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The function reads the requested number of blocks from the device. All the
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blocks are read, or an error is returned. If there is no media in the device,
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the function returns EFI_NO_MEDIA.
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@param[in] PeiServices General-purpose services that are available to
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every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
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@param[in] DeviceIndex Specifies the block device to which the function wants
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to talk. Because the driver that implements Block I/O
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PPIs will manage multiple block devices, PPIs that
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want to talk to a single device must specify the device
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index that was assigned during the enumeration process.
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This index is a number from one to NumberBlockDevices.
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@param[in] StartLBA The starting logical block address (LBA) to read from
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on the device
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@param[in] BufferSize The size of the Buffer in bytes. This number must be
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a multiple of the intrinsic block size of the device.
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@param[out] Buffer A pointer to the destination buffer for the data.
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The caller is responsible for the ownership of the
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buffer.
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@retval EFI_SUCCESS The data was read correctly from the device.
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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_INVALID_PARAMETER The read request contains LBAs that are not
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valid, or the buffer is not properly aligned.
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@retval EFI_NO_MEDIA There is no media in the device.
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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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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimReadBlocks (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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IN UINTN DeviceIndex,
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IN EFI_PEI_LBA StartLBA,
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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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Gets the count of block I/O devices that one specific block driver detects.
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This function is used for getting the count of block I/O devices that one
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specific block driver detects. To the PEI ATAPI driver, it returns the number
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of all the detected ATAPI devices it detects during the enumeration process.
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To the PEI legacy floppy driver, it returns the number of all the legacy
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devices it finds during its enumeration process. If no device is detected,
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then the function will return zero.
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@param[in] PeiServices General-purpose services that are available
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to every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI
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instance.
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@param[out] NumberBlockDevices The number of block I/O devices discovered.
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@retval EFI_SUCCESS The operation performed successfully.
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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimGetDeviceNo2 (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
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OUT UINTN *NumberBlockDevices
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);
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/**
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Gets a block device's media information.
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This function will provide the caller with the specified block device's media
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information. If the media changes, calling this function will update the media
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information accordingly.
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@param[in] PeiServices General-purpose services that are available to every
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PEIM
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
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@param[in] DeviceIndex Specifies the block device to which the function wants
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to talk. Because the driver that implements Block I/O
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PPIs will manage multiple block devices, the PPIs that
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want to talk to a single device must specify the
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device index that was assigned during the enumeration
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process. This index is a number from one to
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NumberBlockDevices.
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@param[out] MediaInfo The media information of the specified block media.
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The caller is responsible for the ownership of this
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data structure.
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@par Note:
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The MediaInfo structure describes an enumeration of possible block device
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types. This enumeration exists because no device paths are actually passed
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across interfaces that describe the type or class of hardware that is publishing
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the block I/O interface. This enumeration will allow for policy decisions
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in the Recovery PEIM, such as "Try to recover from legacy floppy first,
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LS-120 second, CD-ROM third." If there are multiple partitions abstracted
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by a given device type, they should be reported in ascending order; this
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order also applies to nested partitions, such as legacy MBR, where the
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outermost partitions would have precedence in the reporting order. The
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same logic applies to systems such as IDE that have precedence relationships
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like "Master/Slave" or "Primary/Secondary". The master device should be
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reported first, the slave second.
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@retval EFI_SUCCESS Media information about the specified block device
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was obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
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error.
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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimGetMediaInfo2 (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
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IN UINTN DeviceIndex,
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OUT EFI_PEI_BLOCK_IO2_MEDIA *MediaInfo
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);
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/**
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Reads the requested number of blocks from the specified block device.
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The function reads the requested number of blocks from the device. All the
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blocks are read, or an error is returned. If there is no media in the device,
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the function returns EFI_NO_MEDIA.
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@param[in] PeiServices General-purpose services that are available to
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every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
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@param[in] DeviceIndex Specifies the block device to which the function wants
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to talk. Because the driver that implements Block I/O
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PPIs will manage multiple block devices, PPIs that
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want to talk to a single device must specify the device
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index that was assigned during the enumeration process.
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This index is a number from one to NumberBlockDevices.
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@param[in] StartLBA The starting logical block address (LBA) to read from
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on the device
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@param[in] BufferSize The size of the Buffer in bytes. This number must be
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a multiple of the intrinsic block size of the device.
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@param[out] Buffer A pointer to the destination buffer for the data.
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The caller is responsible for the ownership of the
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buffer.
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@retval EFI_SUCCESS The data was read correctly from the device.
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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_INVALID_PARAMETER The read request contains LBAs that are not
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valid, or the buffer is not properly aligned.
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@retval EFI_NO_MEDIA There is no media in the device.
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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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**/
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EFI_STATUS
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EFIAPI
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EmmcBlockIoPeimReadBlocks2 (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
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IN UINTN DeviceIndex,
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IN EFI_PEI_LBA StartLBA,
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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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Initialize the memory management pool for the host controller.
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@param Private The Emmc Peim driver private data.
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@retval EFI_SUCCESS The memory pool is initialized.
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@retval Others Fail to init the memory pool.
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**/
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EFI_STATUS
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EmmcPeimInitMemPool (
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IN EMMC_PEIM_HC_PRIVATE_DATA *Private
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);
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/**
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Allocate some memory from the host controller's memory pool
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which can be used to communicate with host controller.
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@param Pool The host controller's memory pool.
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@param Size Size of the memory to allocate.
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@return The allocated memory or NULL.
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**/
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VOID *
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EmmcPeimAllocateMem (
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IN EMMC_PEIM_MEM_POOL *Pool,
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IN UINTN Size
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);
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/**
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Free the allocated memory back to the memory pool.
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@param Pool The memory pool of the host controller.
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@param Mem The memory to free.
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@param Size The size of the memory to free.
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**/
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VOID
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EmmcPeimFreeMem (
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IN EMMC_PEIM_MEM_POOL *Pool,
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IN VOID *Mem,
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IN UINTN Size
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);
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#endif
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