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MdeModulePkg/SdBlockIoPei: Support IoMmu

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Update the SdBlockIoPei driver to consume IOMMU_PPI to allocate DMA
buffer.

If no IOMMU_PPI exists, this driver still calls PEI service
to allocate DMA buffer, with assumption that DRAM==DMA.

This is a compatible change.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Hao Wu
2017-10-30 13:49:31 +08:00
parent 85ad9a6e0a
commit 77af86688c
7 changed files with 483 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

141
MdeModulePkg/Bus/Sd/SdBlockIoPei/SdBlockIoPei.h
View File

@@ -1,6 +1,6 @@
/** @file
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -19,6 +19,8 @@
#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>
@@ -60,6 +62,12 @@ struct _SD_PEIM_HC_PRIVATE_DATA {
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;
SD_PEIM_HC_SLOT Slot[SD_PEIM_MAX_SLOTS];
UINT8 SlotNum;
UINT8 TotalBlkIoDevices;
@@ -68,6 +76,7 @@ struct _SD_PEIM_HC_PRIVATE_DATA {
#define SD_TIMEOUT MultU64x32((UINT64)(3), 1000000)
#define GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS(a) CR (a, SD_PEIM_HC_PRIVATE_DATA, BlkIoPpi, SD_PEIM_SIG)
#define GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS2(a) CR (a, SD_PEIM_HC_PRIVATE_DATA, BlkIo2Ppi, SD_PEIM_SIG)
#define GET_SD_PEIM_HC_PRIVATE_DATA_FROM_THIS_NOTIFY(a) CR (a, SD_PEIM_HC_PRIVATE_DATA, EndOfPeiNotifyList, SD_PEIM_SIG)
struct _SD_TRB {
SD_PEIM_HC_SLOT *Slot;
@@ -77,6 +86,8 @@ struct _SD_TRB {
VOID *Data;
UINT32 DataLen;
BOOLEAN Read;
EFI_PHYSICAL_ADDRESS DataPhy;
VOID *DataMap;
SD_HC_TRANSFER_MODE Mode;
UINT64 Timeout;
@@ -343,6 +354,20 @@ SdPeimInitMemPool (
IN SD_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
SdPeimFreeMemPool (
IN SD_PEIM_MEM_POOL *Pool
);
/**
Allocate some memory from the host controller's memory pool
which can be used to communicate with host controller.
@@ -374,4 +399,118 @@ SdPeimFreeMem (
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
SdBlockIoPeimEndOfPei (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
#endif