mirror of https://github.com/acidanthera/audk.git
654 lines
23 KiB
C
654 lines
23 KiB
C
/** @file
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Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SdBlockIoPei.h"
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//
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// Template for SD HC Slot Data.
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//
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SD_PEIM_HC_SLOT gSdHcSlotTemplate = {
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SD_PEIM_SLOT_SIG, // Signature
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{ // Media
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MSG_SD_DP,
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FALSE,
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TRUE,
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FALSE,
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0x200,
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0
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},
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0, // SdHcBase
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{ // Capability
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0,
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},
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{ // Csd
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0,
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},
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TRUE, // SectorAddressing
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NULL // Private
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};
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//
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// Template for SD HC Private Data.
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//
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SD_PEIM_HC_PRIVATE_DATA gSdHcPrivateTemplate = {
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SD_PEIM_SIG, // Signature
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NULL, // Pool
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{ // BlkIoPpi
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SdBlockIoPeimGetDeviceNo,
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SdBlockIoPeimGetMediaInfo,
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SdBlockIoPeimReadBlocks
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},
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{ // BlkIo2Ppi
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EFI_PEI_RECOVERY_BLOCK_IO2_PPI_REVISION,
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SdBlockIoPeimGetDeviceNo2,
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SdBlockIoPeimGetMediaInfo2,
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SdBlockIoPeimReadBlocks2
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},
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{ // BlkIoPpiList
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EFI_PEI_PPI_DESCRIPTOR_PPI,
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&gEfiPeiVirtualBlockIoPpiGuid,
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NULL
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},
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{ // BlkIo2PpiList
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EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
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&gEfiPeiVirtualBlockIo2PpiGuid,
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NULL
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},
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{
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(EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEfiEndOfPeiSignalPpiGuid,
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SdBlockIoPeimEndOfPei
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},
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{ // Slot
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{
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0,
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},
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{
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0,
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},
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{
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0,
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},
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{
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0,
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},
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{
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0,
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},
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{
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0,
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}
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},
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0, // SlotNum
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0 // TotalBlkIoDevices
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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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SdBlockIoPeimGetDeviceNo (
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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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SD_PEIM_HC_PRIVATE_DATA *Private;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS (This);
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*NumberBlockDevices = Private->TotalBlkIoDevices;
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return EFI_SUCCESS;
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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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SdBlockIoPeimGetMediaInfo (
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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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SD_PEIM_HC_PRIVATE_DATA *Private;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS (This);
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if ((DeviceIndex == 0) || (DeviceIndex > Private->TotalBlkIoDevices)) {
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return EFI_INVALID_PARAMETER;
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}
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MediaInfo->DeviceType = SD;
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MediaInfo->MediaPresent = TRUE;
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MediaInfo->LastBlock = (UINTN)Private->Slot[DeviceIndex - 1].Media.LastBlock;
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MediaInfo->BlockSize = Private->Slot[DeviceIndex - 1].Media.BlockSize;
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return EFI_SUCCESS;
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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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SdBlockIoPeimReadBlocks (
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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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EFI_STATUS Status;
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UINT32 BlockSize;
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UINTN NumberOfBlocks;
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SD_PEIM_HC_PRIVATE_DATA *Private;
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UINTN Remaining;
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UINT32 MaxBlock;
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Status = EFI_SUCCESS;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS (This);
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//
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// Check parameters
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//
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if (Buffer == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (BufferSize == 0) {
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return EFI_SUCCESS;
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}
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if ((DeviceIndex == 0) || (DeviceIndex > Private->TotalBlkIoDevices)) {
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return EFI_INVALID_PARAMETER;
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}
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BlockSize = Private->Slot[DeviceIndex - 1].Media.BlockSize;
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if (BufferSize % BlockSize != 0) {
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return EFI_BAD_BUFFER_SIZE;
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}
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if (StartLBA > Private->Slot[DeviceIndex - 1].Media.LastBlock) {
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return EFI_INVALID_PARAMETER;
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}
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NumberOfBlocks = BufferSize / BlockSize;
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//
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// Start to execute data transfer. The max block number in single cmd is 65535 blocks.
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//
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Remaining = NumberOfBlocks;
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MaxBlock = 0xFFFF;
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while (Remaining > 0) {
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if (Remaining <= MaxBlock) {
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NumberOfBlocks = Remaining;
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} else {
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NumberOfBlocks = MaxBlock;
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}
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BufferSize = NumberOfBlocks * BlockSize;
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if (NumberOfBlocks != 1) {
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Status = SdPeimRwMultiBlocks (&Private->Slot[DeviceIndex - 1], StartLBA, BlockSize, Buffer, BufferSize, TRUE);
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} else {
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Status = SdPeimRwSingleBlock (&Private->Slot[DeviceIndex - 1], StartLBA, BlockSize, Buffer, BufferSize, TRUE);
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}
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if (EFI_ERROR (Status)) {
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return Status;
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}
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StartLBA += NumberOfBlocks;
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Buffer = (UINT8*)Buffer + BufferSize;
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Remaining -= NumberOfBlocks;
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}
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return Status;
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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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SdBlockIoPeimGetDeviceNo2 (
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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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SD_PEIM_HC_PRIVATE_DATA *Private;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This);
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*NumberBlockDevices = Private->TotalBlkIoDevices;
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return EFI_SUCCESS;
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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
|
|
order also applies to nested partitions, such as legacy MBR, where the
|
|
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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SdBlockIoPeimGetMediaInfo2 (
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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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EFI_STATUS Status;
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SD_PEIM_HC_PRIVATE_DATA *Private;
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EFI_PEI_BLOCK_IO_MEDIA Media;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This);
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Status = SdBlockIoPeimGetMediaInfo (
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PeiServices,
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&Private->BlkIoPpi,
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DeviceIndex,
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&Media
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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CopyMem (MediaInfo, &(Private->Slot[DeviceIndex - 1].Media), sizeof (EFI_PEI_BLOCK_IO2_MEDIA));
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return EFI_SUCCESS;
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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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SdBlockIoPeimReadBlocks2 (
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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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EFI_STATUS Status;
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SD_PEIM_HC_PRIVATE_DATA *Private;
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Status = EFI_SUCCESS;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This);
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Status = SdBlockIoPeimReadBlocks (
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PeiServices,
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&Private->BlkIoPpi,
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DeviceIndex,
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StartLBA,
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BufferSize,
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Buffer
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);
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return Status;
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}
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/**
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One notified function to cleanup the allocated DMA buffers at the end of PEI.
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@param[in] PeiServices Pointer to PEI Services Table.
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@param[in] NotifyDescriptor Pointer to the descriptor for the Notification
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event that caused this function to execute.
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@param[in] Ppi Pointer to the PPI data associated with this function.
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@retval EFI_SUCCESS The function completes successfully
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**/
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EFI_STATUS
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EFIAPI
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SdBlockIoPeimEndOfPei (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
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IN VOID *Ppi
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)
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{
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SD_PEIM_HC_PRIVATE_DATA *Private;
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Private = GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS_NOTIFY (NotifyDescriptor);
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if ((Private->Pool != NULL) && (Private->Pool->Head != NULL)) {
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SdPeimFreeMemPool (Private->Pool);
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}
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return EFI_SUCCESS;
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}
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/**
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The user code starts with this function.
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@param FileHandle Handle of the file being invoked.
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@param PeiServices Describes the list of possible PEI Services.
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@retval EFI_SUCCESS The driver is successfully initialized.
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@retval Others Can't initialize the driver.
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**/
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EFI_STATUS
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EFIAPI
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InitializeSdBlockIoPeim (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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|
{
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EFI_STATUS Status;
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|
SD_PEIM_HC_PRIVATE_DATA *Private;
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|
EDKII_SD_MMC_HOST_CONTROLLER_PPI *SdMmcHcPpi;
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|
UINT32 Index;
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|
UINTN *MmioBase;
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|
UINT8 BarNum;
|
|
UINT8 SlotNum;
|
|
UINT8 Controller;
|
|
UINT64 Capacity;
|
|
SD_HC_SLOT_CAP Capability;
|
|
SD_PEIM_HC_SLOT *Slot;
|
|
SD_CSD *Csd;
|
|
SD_CSD2 *Csd2;
|
|
UINT32 CSize;
|
|
UINT32 CSizeMul;
|
|
UINT32 ReadBlLen;
|
|
|
|
//
|
|
// Shadow this PEIM to run from memory
|
|
//
|
|
if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// locate Sd host controller PPI
|
|
//
|
|
Status = PeiServicesLocatePpi (
|
|
&gEdkiiPeiSdMmcHostControllerPpiGuid,
|
|
0,
|
|
NULL,
|
|
(VOID **) &SdMmcHcPpi
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
IoMmuInit ();
|
|
|
|
Controller = 0;
|
|
MmioBase = NULL;
|
|
while (TRUE) {
|
|
Status = SdMmcHcPpi->GetSdMmcHcMmioBar (SdMmcHcPpi, Controller, &MmioBase, &BarNum);
|
|
//
|
|
// When status is error, meant no controller is found
|
|
//
|
|
if (EFI_ERROR (Status)) {
|
|
break;
|
|
}
|
|
|
|
if (BarNum == 0) {
|
|
Controller++;
|
|
continue;
|
|
}
|
|
|
|
Private = AllocateCopyPool (sizeof (SD_PEIM_HC_PRIVATE_DATA), &gSdHcPrivateTemplate);
|
|
if (Private == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
break;
|
|
}
|
|
Private->BlkIoPpiList.Ppi = (VOID*)&Private->BlkIoPpi;
|
|
Private->BlkIo2PpiList.Ppi = (VOID*)&Private->BlkIo2Ppi;
|
|
//
|
|
// Initialize the memory pool which will be used in all transactions.
|
|
//
|
|
Status = SdPeimInitMemPool (Private);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
break;
|
|
}
|
|
|
|
for (Index = 0; Index < BarNum; Index++) {
|
|
Status = SdPeimHcGetCapability (MmioBase[Index], &Capability);
|
|
if (EFI_ERROR (Status)) {
|
|
continue;
|
|
}
|
|
if (Capability.SlotType != 0x1) {
|
|
DEBUG ((EFI_D_INFO, "The slot at 0x%x is not embedded slot type\n", MmioBase[Index]));
|
|
Status = EFI_UNSUPPORTED;
|
|
continue;
|
|
}
|
|
|
|
Status = SdPeimHcReset (MmioBase[Index]);
|
|
if (EFI_ERROR (Status)) {
|
|
continue;
|
|
}
|
|
Status = SdPeimHcCardDetect (MmioBase[Index]);
|
|
if (EFI_ERROR (Status)) {
|
|
continue;
|
|
}
|
|
Status = SdPeimHcInitHost (MmioBase[Index]);
|
|
if (EFI_ERROR (Status)) {
|
|
continue;
|
|
}
|
|
|
|
SlotNum = Private->SlotNum;
|
|
Slot = &Private->Slot[SlotNum];
|
|
CopyMem (Slot, &gSdHcSlotTemplate, sizeof (SD_PEIM_HC_SLOT));
|
|
Slot->Private = Private;
|
|
Slot->SdHcBase = MmioBase[Index];
|
|
CopyMem (&Slot->Capability, &Capability, sizeof (Capability));
|
|
|
|
Status = SdPeimIdentification (Slot);
|
|
if (EFI_ERROR (Status)) {
|
|
continue;
|
|
}
|
|
|
|
Csd = &Slot->Csd;
|
|
if (Csd->CsdStructure == 0) {
|
|
Slot->SectorAddressing = FALSE;
|
|
CSize = (Csd->CSizeHigh << 2 | Csd->CSizeLow) + 1;
|
|
CSizeMul = (1 << (Csd->CSizeMul + 2));
|
|
ReadBlLen = (1 << (Csd->ReadBlLen));
|
|
Capacity = MultU64x32 (MultU64x32 ((UINT64)CSize, CSizeMul), ReadBlLen);
|
|
} else {
|
|
Slot->SectorAddressing = TRUE;
|
|
Csd2 = (SD_CSD2*)(VOID*)Csd;
|
|
CSize = (Csd2->CSizeHigh << 16 | Csd2->CSizeLow) + 1;
|
|
Capacity = MultU64x32 ((UINT64)CSize, SIZE_512KB);
|
|
}
|
|
|
|
Slot->Media.LastBlock = DivU64x32 (Capacity, Slot->Media.BlockSize) - 1;
|
|
|
|
Private->TotalBlkIoDevices++;
|
|
Private->SlotNum++;
|
|
}
|
|
|
|
Controller++;
|
|
if (!EFI_ERROR (Status)) {
|
|
PeiServicesInstallPpi (&Private->BlkIoPpiList);
|
|
PeiServicesNotifyPpi (&Private->EndOfPeiNotifyList);
|
|
} else {
|
|
if (Private->Pool->Head != NULL) {
|
|
SdPeimFreeMemPool (Private->Pool);
|
|
}
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|