diff options
Diffstat (limited to 'OldMdePkg/Include/Protocol/LegacyBiosPlatform.h')
| -rw-r--r-- | OldMdePkg/Include/Protocol/LegacyBiosPlatform.h | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/OldMdePkg/Include/Protocol/LegacyBiosPlatform.h b/OldMdePkg/Include/Protocol/LegacyBiosPlatform.h new file mode 100644 index 0000000000..8c394f2ea5 --- /dev/null +++ b/OldMdePkg/Include/Protocol/LegacyBiosPlatform.h @@ -0,0 +1,307 @@ +/** @file
+ The EFI Legacy BIOS Patform Protocol is used to mate a Legacy16
+ implementation with this EFI code. The EFI driver that produces
+ the Legacy BIOS protocol is generic and consumes this protocol.
+ A driver that matches the Legacy16 produces this protocol
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. 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
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: LegacyBiosPlatform.h
+
+ @par Revision Reference:
+ This protocol is defined in Framework for EFI Compatibility Support Module spec
+ Version 0.96
+**/
+
+#ifndef _EFI_LEGACY_BIOS_PLATFORM_H
+#define _EFI_LEGACY_BIOS_PLATFORM_H
+
+#define EFI_LEGACY_BIOS_PLATFORM_PROTOCOL_GUID \
+ { \
+ 0x783658a3, 0x4172, 0x4421, {0xa2, 0x99, 0xe0, 0x9, 0x7, 0x9c, 0xc, 0xb4 } \
+ }
+
+typedef struct _EFI_LEGACY_BIOS_PLATFORM_PROTOCOL EFI_LEGACY_BIOS_PLATFORM_PROTOCOL;
+
+#pragma pack(1)
+//
+// Define structures for GetOemIntData
+// Note:
+// OemIntDataElenent is an array of structures from 0 to Count-1.
+// RawData is an array of bytes from 0 to RamDataLength-1.
+//
+typedef struct {
+ UINT16 Int;
+ UINT16 Ax;
+ UINT32 RawDataLength;
+ UINT8 RawData[1];
+} EFI_OEM_INT_DATA_ELEMENT;
+
+typedef struct {
+ UINT16 Count;
+ EFI_OEM_INT_DATA_ELEMENT OemIntDataElement[1];
+} EFI_OEM_INT_DATA;
+#pragma pack()
+
+typedef enum {
+ EfiGetPlatformBinaryMpTable = 0,
+ EfiGetPlatformBinaryOemIntData = 1,
+ EfiGetPlatformBinaryOem16Data = 2,
+ EfiGetPlatformBinaryOem32Data = 3,
+ EfiGetPlatformBinaryTpmBinary = 4,
+ EfiGetPlatformBinarySystemRom = 5,
+ EfiGetPlatformPciExpressBase = 6,
+ EfiGetPlatformPmmSize = 7,
+ EfiGetPlatformEndOpromShadowAddr = 8,
+
+} EFI_GET_PLATFORM_INFO_MODE;
+
+typedef enum {
+ EfiGetPlatformVgaHandle = 0,
+ EfiGetPlatformIdeHandle = 1,
+ EfiGetPlatformIsaBusHandle = 2,
+ EfiGetPlatformUsbHandle = 3
+} EFI_GET_PLATFORM_HANDLE_MODE;
+
+typedef enum {
+ EfiPlatformHookPrepareToScanRom = 0,
+ EfiPlatformHookShadowServiceRoms= 1,
+ EfiPlatformHookAfterRomInit = 2
+} EFI_GET_PLATFORM_HOOK_MODE;
+
+/**
+ Finds the binary data or other platform information.
+
+ @param This Protocol instance pointer.
+ @param Mode Specifies what data to return
+ @param Table Pointer to MP table.
+ @param TableSize Size in bytes of table.
+ @param Location Legacy region requested
+ 0x00 = Any location
+ Bit 0 = 0xF0000 region
+ Bit 1 = 0xE0000 region
+ Multiple bits can be set
+ @param Alignment Address alignment for allocation.
+ Bit mapped. First non-zero bit from right
+ is alignment.
+ @param LegacySegment Segment in LegacyBios where Table is stored
+ @param LegacyOffset Offset in LegacyBios where Table is stored
+
+ @retval EFI_SUCCESS Data was returned successfully.
+ @retval EFI_UNSUPPORTED Mode is not supported on the platform.
+ @retval EFI_NOT_FOUND Binary image or table not found.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_INFO) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN EFI_GET_PLATFORM_INFO_MODE Mode,
+ OUT VOID **Table,
+ OUT UINTN *TableSize,
+ OUT UINTN *Location,
+ OUT UINTN *Alignment,
+ IN UINT16 LegacySegment,
+ IN UINT16 LegacyOffset
+ )
+;
+
+/**
+ Returns a buffer of handles for the requested sub-function.
+
+ @param This Protocol instance pointer.
+ @param Mode Specifies what handle to return.
+ @param Type Type from Device Path for Handle to represent.
+ @param HandleBuffer Handles of the device/controller in priority order
+ with HandleBuffer[0] highest priority.
+ @param HandleCount Number of handles in the buffer.
+ @param AdditionalData Mode specific.
+
+ @retval EFI_SUCCESS Handle is valid
+ @retval EFI_UNSUPPORTED Mode is not supported on the platform.
+ @retval EFI_NOT_FOUND Handle is not known
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_HANDLE) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN EFI_GET_PLATFORM_HANDLE_MODE Mode,
+ IN UINT16 Type,
+ OUT EFI_HANDLE **HandleBuffer,
+ OUT UINTN *HandleCount,
+ IN VOID **AdditionalData OPTIONAL
+ )
+;
+
+/**
+ Load and initialize the Legacy BIOS SMM handler.
+
+ @param This Protocol instance pointer.
+ @param EfiToLegacy16BootTable Pointer to Legacy16 boot table.
+
+ @retval EFI_SUCCESS SMM code loaded.
+ @retval EFI_DEVICE_ERROR SMM code failed to load
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_SMM_INIT) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN VOID *EfiToLegacy16BootTable
+ )
+;
+
+/**
+ Allows platform to perform any required action after a LegacyBios operation.
+
+ @param This Protocol instance pointer.
+ @param Mode Specifies what handle to return.
+ @param Type Mode specific.
+ @param DeviceHandle List of PCI devices in the system.
+ @param ShadowAddress First free OpROM area, after other OpROMs have been dispatched.
+ @param Compatibility16Table Pointer to Compatibility16Table.
+ @param AdditionalData Mode specific Pointer to additional data returned - mode specific.
+
+ @retval EFI_SUCCESS RomImage is valid
+ @retval EFI_UNSUPPORTED Mode is not supported on the platform.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_HOOKS) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN EFI_GET_PLATFORM_HOOK_MODE Mode,
+ IN UINT16 Type,
+ IN EFI_HANDLE DeviceHandle,
+ IN OUT UINTN *ShadowAddress,
+ IN EFI_COMPATIBILITY16_TABLE *Compatibility16Table,
+ IN VOID **AdditionalData OPTIONAL
+ )
+;
+
+/**
+ Returns information associated with PCI IRQ routing.
+
+ @param This Protocol instance pointer.
+ @param RoutingTable Pointer to PCI IRQ Routing table.
+ @param RoutingTableEntries Number of entries in table.
+ @param LocalPirqTable $PIR table
+ @param PirqTableSize $PIR table size
+ @param LocalIrqPriorityTable List of interrupts in priority order to assign
+ @param IrqPriorityTableEntries Number of entries in priority table
+
+ @retval EFI_SUCCESS Data was successfully returned.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_GET_ROUTING_TABLE) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ OUT VOID **RoutingTable,
+ OUT UINTN *RoutingTableEntries,
+ OUT VOID **LocalPirqTable, OPTIONAL
+ OUT UINTN *PirqTableSize, OPTIONAL
+ OUT VOID **LocalIrqPriorityTable, OPTIONAL
+ OUT UINTN *IrqPriorityTableEntries OPTIONAL
+ )
+;
+
+/**
+ Translates the given PIRQ accounting for bridge
+
+ @param This Protocol instance pointer.
+ @param PciBus PCI bus number for this device.
+ @param PciDevice PCI device number for this device.
+ @param PciFunction PCI function number for this device.
+ @param Pirq Input is PIRQ reported by device, output is true PIRQ.
+ @param PciIrq The IRQ already assigned to the PIRQ or the IRQ to be
+ assigned to the PIRQ.
+
+ @retval EFI_SUCCESS The PIRQ was translated.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_TRANSLATE_PIRQ) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN UINTN PciBus,
+ IN UINTN PciDevice,
+ IN UINTN PciFunction,
+ IN OUT UINT8 *Pirq,
+ OUT UINT8 *PciIrq
+ )
+;
+
+/**
+ Attempt to legacy boot the BootOption. If the EFI contexted has been
+ compromised this function will not return.
+
+ @param This Protocol instance pointer.
+ @param BbsDevicePath EFI Device Path from BootXXXX variable.
+ @param BbsTable Internal BBS table.
+ @param LoadOptionSize Size of LoadOption in size.
+ @param LoadOption LoadOption from BootXXXX variable
+ @param EfiToLegacy16BootTable Pointer to BootTable structure
+
+ @retval EFI_SUCCESS Ready to boot.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LEGACY_BIOS_PLATFORM_PREPARE_TO_BOOT) (
+ IN EFI_LEGACY_BIOS_PLATFORM_PROTOCOL *This,
+ IN BBS_BBS_DEVICE_PATH *BbsDevicePath,
+ IN VOID *BbsTable,
+ IN UINT32 LoadOptionsSize,
+ IN VOID *LoadOptions,
+ IN VOID *EfiToLegacy16BootTable
+ )
+;
+
+/**
+ @par Protocol Description:
+ Abstracts the platform portion of the traditional BIOS.
+
+ @param GetPlatformInfo
+ Gets binary data or other platform information.
+
+ @param GetPlatformHandle
+ Returns a buffer of all handles matching the requested subfunction.
+
+ @param SmmInit
+ Loads and initializes the traditional BIOS SMM handler.
+
+ @param PlatformHooks
+ Allows platform to perform any required actions after a LegacyBios operation.
+
+ @param GetRoutingTable
+ Gets $PIR table.
+
+ @param TranslatePirq
+ Translates the given PIRQ to the final value after traversing any PCI bridges.
+
+ @param PrepareToBoot
+ Final platform function before the system attempts to boot to a traditional OS.
+
+**/
+struct _EFI_LEGACY_BIOS_PLATFORM_PROTOCOL {
+ EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_INFO GetPlatformInfo;
+ EFI_LEGACY_BIOS_PLATFORM_GET_PLATFORM_HANDLE GetPlatformHandle;
+ EFI_LEGACY_BIOS_PLATFORM_SMM_INIT SmmInit;
+ EFI_LEGACY_BIOS_PLATFORM_HOOKS PlatformHooks;
+ EFI_LEGACY_BIOS_PLATFORM_GET_ROUTING_TABLE GetRoutingTable;
+ EFI_LEGACY_BIOS_PLATFORM_TRANSLATE_PIRQ TranslatePirq;
+ EFI_LEGACY_BIOS_PLATFORM_PREPARE_TO_BOOT PrepareToBoot;
+};
+
+extern EFI_GUID gEfiLegacyBiosPlatformProtocolGuid;
+
+#endif
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