mirror of https://github.com/acidanthera/audk.git
315 lines
9.4 KiB
C
315 lines
9.4 KiB
C
/** @file
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Firmware volume block driver for SPI device
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Copyright (c) 2013-2015 Intel Corporation.
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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 _FW_BLOCK_SERVICE_H
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#define _FW_BLOCK_SERVICE_H
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#include "SpiFlashDevice.h"
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//
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// Statements that include other header files
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#include <Library/IoLib.h>
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#include <Library/HobLib.h>
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#include <Library/PcdLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/UefiRuntimeLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/DxeServicesTableLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Guid/EventGroup.h>
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#include <Guid/HobList.h>
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#include <Guid/FirmwareFileSystem2.h>
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#include <Guid/SystemNvDataGuid.h>
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#include <Protocol/SmmBase2.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/PlatformSmmSpiReady.h>
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//
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// Define two helper macro to extract the Capability field or Status field in FVB
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// bit fields
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//
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#define EFI_FVB2_CAPABILITIES (EFI_FVB2_READ_DISABLED_CAP | \
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EFI_FVB2_READ_ENABLED_CAP | \
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EFI_FVB2_WRITE_DISABLED_CAP | \
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EFI_FVB2_WRITE_ENABLED_CAP | \
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EFI_FVB2_LOCK_CAP \
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)
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#define EFI_FVB2_STATUS (EFI_FVB2_READ_STATUS | EFI_FVB2_WRITE_STATUS | EFI_FVB2_LOCK_STATUS)
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#define EFI_INTERNAL_POINTER 0x00000004
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#define FVB_PHYSICAL 0
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#define FVB_VIRTUAL 1
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typedef struct {
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EFI_LOCK FvbDevLock;
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UINTN FvBase[2];
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UINTN FvWriteBase[2];
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UINTN NumOfBlocks;
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BOOLEAN WriteEnabled;
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EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
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} EFI_FW_VOL_INSTANCE;
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typedef struct {
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UINT32 NumFv;
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EFI_FW_VOL_INSTANCE *FvInstance[2];
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UINT8 *FvbScratchSpace[2];
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EFI_SPI_PROTOCOL *SpiProtocol;
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EFI_SPI_PROTOCOL *SmmSpiProtocol;
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} ESAL_FWB_GLOBAL;
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//
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// SPI default opcode slots
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//
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#define SPI_OPCODE_JEDEC_ID_INDEX 0
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#define SPI_OPCODE_READ_ID_INDEX 1
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#define SPI_OPCODE_WRITE_S_INDEX 2
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#define SPI_OPCODE_WRITE_INDEX 3
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#define SPI_OPCODE_READ_INDEX 4
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#define SPI_OPCODE_ERASE_INDEX 5
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#define SPI_OPCODE_READ_S_INDEX 6
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#define SPI_OPCODE_CHIP_ERASE_INDEX 7
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#define SPI_ERASE_SECTOR_SIZE SIZE_4KB //This is the chipset requirement
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//
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// Fvb Protocol instance data
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//
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#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
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#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)
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#define FVB_DEVICE_SIGNATURE SIGNATURE_32 ('F', 'V', 'B', 'C')
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//
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// Device Path
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//
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#define EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff
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#define EfiDevicePathType(a) (((a)->Type) & 0x7f)
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#define EfiIsDevicePathEndType(a) (EfiDevicePathType (a) == 0x7f)
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#define EfiIsDevicePathEndSubType(a) ((a)->SubType == EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE)
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#define EfiIsDevicePathEnd(a) (EfiIsDevicePathEndType (a) && EfiIsDevicePathEndSubType (a))
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typedef struct {
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MEMMAP_DEVICE_PATH MemMapDevPath;
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EFI_DEVICE_PATH_PROTOCOL EndDevPath;
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} FV_DEVICE_PATH;
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//
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// UEFI Specification define FV device path format if FV provide name GUID in extension header
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//
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typedef struct {
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MEDIA_FW_VOL_DEVICE_PATH FvDevPath;
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EFI_DEVICE_PATH_PROTOCOL EndDevPath;
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} UEFI_FV_DEVICE_PATH;
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typedef struct {
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UINTN Signature;
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FV_DEVICE_PATH FvDevicePath;
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UEFI_FV_DEVICE_PATH UefiFvDevicePath;
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UINTN Instance;
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
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} EFI_FW_VOL_BLOCK_DEVICE;
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typedef struct {
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EFI_PHYSICAL_ADDRESS BaseAddress;
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EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
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//
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// EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0
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//
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EFI_FV_BLOCK_MAP_ENTRY End[1];
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} EFI_FVB_MEDIA_INFO;
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VOID
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FvbVirtualddressChangeEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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EFI_STATUS
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GetFvbInfo (
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IN EFI_PHYSICAL_ADDRESS FvBaseAddress,
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OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
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);
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BOOLEAN
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SetPlatformFvbLock (
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IN UINTN LbaAddress
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);
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EFI_STATUS
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FvbReadBlock (
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IN UINTN Instance,
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IN EFI_LBA Lba,
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IN UINTN BlockOffset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbWriteBlock (
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IN UINTN Instance,
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IN EFI_LBA Lba,
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IN UINTN BlockOffset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbEraseBlock (
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IN UINTN Instance,
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IN EFI_LBA Lba,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbSetVolumeAttributes (
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IN UINTN Instance,
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IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbGetVolumeAttributes (
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IN UINTN Instance,
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OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbGetPhysicalAddress (
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IN UINTN Instance,
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OUT EFI_PHYSICAL_ADDRESS *Address,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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VOID
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FvbClassAddressChangeEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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EFI_STATUS
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FvbSpecificInitialize (
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IN ESAL_FWB_GLOBAL *mFvbModuleGlobal
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);
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EFI_STATUS
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FvbGetLbaAddress (
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IN UINTN Instance,
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IN EFI_LBA Lba,
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OUT UINTN *LbaAddress,
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OUT UINTN *LbaWriteAddress,
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OUT UINTN *LbaLength,
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OUT UINTN *NumOfBlocks,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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EFI_STATUS
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FvbEraseCustomBlockRange (
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IN UINTN Instance,
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IN EFI_LBA StartLba,
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IN UINTN OffsetStartLba,
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IN EFI_LBA LastLba,
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IN UINTN OffsetLastLba,
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IN ESAL_FWB_GLOBAL *Global,
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IN BOOLEAN Virtual
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);
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//
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// Protocol APIs
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//
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EFI_STATUS
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EFIAPI
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FvbProtocolGetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolSetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolGetPhysicalAddress (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_PHYSICAL_ADDRESS *Address
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);
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EFI_STATUS
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FvbProtocolGetBlockSize (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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OUT UINTN *BlockSize,
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OUT UINTN *NumOfBlocks
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolRead (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolWrite (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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);
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EFI_STATUS
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EFIAPI
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FvbProtocolEraseBlocks (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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...
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);
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extern SPI_INIT_TABLE mSpiInitTable[];
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#endif
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