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MdeModulePkg/UfsBlockIoPei: Support IoMmu

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V2 changes:
Resource cleanup logic update in UfsEndOfPei().

V1 history:
Update the UfsBlockIoPei 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>
(cherry picked from commit 44a0857ec6)
This commit is contained in:
Hao Wu
2017-10-18 13:37:56 +08:00
committed by Star Zeng
parent 776788926c
commit 702a585f6d
7 changed files with 535 additions and 38 deletions
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141
MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h
View File

@@ -1,6 +1,6 @@
/** @file
Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2014 - 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/UfsHostController.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>
@@ -112,6 +114,12 @@ typedef struct _UFS_PEIM_HC_PRIVATE_DATA {
EFI_PEI_PPI_DESCRIPTOR BlkIo2PpiList;
EFI_PEI_BLOCK_IO2_MEDIA Media[UFS_PEIM_MAX_LUNS];
//
// EndOfPei callback is used to stop the UFS DMA operation
// after exit PEI phase.
//
EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList;
UINTN UfsHcBase;
UINT32 Capabilities;
@@ -119,8 +127,10 @@ typedef struct _UFS_PEIM_HC_PRIVATE_DATA {
VOID *UtpTrlBase;
UINT8 Nutrs;
VOID *TrlMapping;
VOID *UtpTmrlBase;
UINT8 Nutmrs;
VOID *TmrlMapping;
UFS_PEIM_EXPOSED_LUNS Luns;
} UFS_PEIM_HC_PRIVATE_DATA;
@@ -133,6 +143,7 @@ typedef struct _UFS_PEIM_HC_PRIVATE_DATA {
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, BlkIoPpi, UFS_PEIM_HC_SIG)
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS2(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, BlkIo2Ppi, UFS_PEIM_HC_SIG)
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS_NOTIFY(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, EndOfPeiNotifyList, UFS_PEIM_HC_SIG)
#define UFS_SCSI_OP_LENGTH_SIX 0x6
#define UFS_SCSI_OP_LENGTH_TEN 0xa
@@ -526,6 +537,20 @@ UfsPeimInitMemPool (
IN UFS_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
UfsPeimFreeMemPool (
IN UFS_PEIM_MEM_POOL *Pool
);
/**
Allocate some memory from the host controller's memory pool
which can be used to communicate with host controller.
@@ -557,4 +582,118 @@ UfsPeimFreeMem (
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
UfsEndOfPei (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
#endif