194 lines
4.0 KiB
C
194 lines
4.0 KiB
C
/* $FreeBSD$ */
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#ifndef _EFI_DEF_H
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#define _EFI_DEF_H
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/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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efidef.h
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Abstract:
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EFI definitions
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Revision History
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--*/
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typedef UINT16 CHAR16;
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typedef UINT8 CHAR8;
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typedef UINT8 BOOLEAN;
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#ifndef TRUE
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#define TRUE ((BOOLEAN) 1)
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#define FALSE ((BOOLEAN) 0)
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#endif
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#ifndef NULL
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#define NULL ((VOID *) 0)
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#endif
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typedef UINTN EFI_STATUS;
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typedef UINT64 EFI_LBA;
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typedef UINTN EFI_TPL;
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typedef VOID *EFI_HANDLE;
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typedef VOID *EFI_EVENT;
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/*
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* Prototype argument decoration for EFI parameters to indicate
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* their direction
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*
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* IN - argument is passed into the function
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* OUT - argument (pointer) is returned from the function
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* OPTIONAL - argument is optional
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*/
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#ifndef IN
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#define IN
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#define OUT
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#define OPTIONAL
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#endif
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/*
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* A GUID
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*/
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typedef struct {
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UINT32 Data1;
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UINT16 Data2;
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UINT16 Data3;
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UINT8 Data4[8];
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} EFI_GUID;
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/*
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* Time
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*/
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typedef struct {
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UINT16 Year; /* 1998 - 20XX */
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UINT8 Month; /* 1 - 12 */
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UINT8 Day; /* 1 - 31 */
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UINT8 Hour; /* 0 - 23 */
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UINT8 Minute; /* 0 - 59 */
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UINT8 Second; /* 0 - 59 */
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UINT8 Pad1;
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UINT32 Nanosecond; /* 0 - 999,999,999 */
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INT16 TimeZone; /* -1440 to 1440 or 2047 */
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UINT8 Daylight;
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UINT8 Pad2;
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} EFI_TIME;
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/* Bit definitions for EFI_TIME.Daylight */
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#define EFI_TIME_ADJUST_DAYLIGHT 0x01
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#define EFI_TIME_IN_DAYLIGHT 0x02
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/* Value definition for EFI_TIME.TimeZone */
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#define EFI_UNSPECIFIED_TIMEZONE 0x07FF
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/*
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* Networking
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*/
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typedef struct {
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UINT8 Addr[4];
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} EFI_IPv4_ADDRESS;
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typedef struct {
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UINT8 Addr[16];
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} EFI_IPv6_ADDRESS;
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typedef struct {
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UINT8 Addr[32];
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} EFI_MAC_ADDRESS;
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/*
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* Memory
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*/
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typedef UINT64 EFI_PHYSICAL_ADDRESS;
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typedef UINT64 EFI_VIRTUAL_ADDRESS;
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typedef enum {
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AllocateAnyPages,
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AllocateMaxAddress,
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AllocateAddress,
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MaxAllocateType
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} EFI_ALLOCATE_TYPE;
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/*
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* Preseve the attr on any range supplied.
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* ConventialMemory must have WB,SR,SW when supplied.
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* When allocating from ConventialMemory always make it WB,SR,SW
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* When returning to ConventialMemory always make it WB,SR,SW
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* When getting the memory map, or on RT for runtime types
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*/
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typedef enum {
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EfiReservedMemoryType,
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EfiLoaderCode,
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EfiLoaderData,
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EfiBootServicesCode,
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EfiBootServicesData,
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EfiRuntimeServicesCode,
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EfiRuntimeServicesData,
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EfiConventionalMemory,
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EfiUnusableMemory,
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EfiACPIReclaimMemory,
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EfiACPIMemoryNVS,
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EfiMemoryMappedIO,
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EfiMemoryMappedIOPortSpace,
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EfiPalCode,
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EfiMaxMemoryType
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} EFI_MEMORY_TYPE;
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/* possible caching types for the memory range */
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#define EFI_MEMORY_UC 0x0000000000000001
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#define EFI_MEMORY_WC 0x0000000000000002
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#define EFI_MEMORY_WT 0x0000000000000004
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#define EFI_MEMORY_WB 0x0000000000000008
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#define EFI_MEMORY_UCE 0x0000000000000010
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/* physical memory protection on range */
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#define EFI_MEMORY_WP 0x0000000000001000
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#define EFI_MEMORY_RP 0x0000000000002000
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#define EFI_MEMORY_XP 0x0000000000004000
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/* range requires a runtime mapping */
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#define EFI_MEMORY_RUNTIME 0x8000000000000000
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#define EFI_MEMORY_DESCRIPTOR_VERSION 1
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typedef struct {
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UINT32 Type; /* 32 bit padding */
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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EFI_VIRTUAL_ADDRESS VirtualStart;
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UINT64 NumberOfPages;
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UINT64 Attribute;
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} EFI_MEMORY_DESCRIPTOR;
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/*
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* International Language
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*/
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typedef UINT8 ISO_639_2;
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#define ISO_639_2_ENTRY_SIZE 3
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#define EFI_PAGE_SIZE 4096
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#define EFI_PAGE_MASK 0xFFF
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#define EFI_PAGE_SHIFT 12
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#define EFI_SIZE_TO_PAGES(a) \
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( ((a) >> EFI_PAGE_SHIFT) + ((a) & EFI_PAGE_MASK ? 1 : 0) )
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#endif
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