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#ifndef _IPXE_EFI_H
#define _IPXE_EFI_H
/** @file
*
* EFI API
*
* The intention is to include near-verbatim copies of the EFI headers
* required by iPXE. This is achieved using the import.pl script in
* this directory. Run the import script to update the local copies
* of the headers:
*
* ./import.pl /path/to/edk2/edk2
*
* where /path/to/edk2/edk2 is the path to your local checkout of the
* EFI Development Kit.
*
* Note that import.pl will modify any #include lines in each imported
* header to reflect its new location within the iPXE tree. It will
* also tidy up the file by removing carriage return characters and
* trailing whitespace.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/* EFI headers rudely redefine NULL */
#undef NULL
/* EFI headers expect ICC to define __GNUC__ */
#if defined ( __ICC ) && ! defined ( __GNUC__ )
#define __GNUC__ 1
#endif
/* EFI headers think your compiler uses the MS ABI by default on X64 */
#if __x86_64__
#define EFIAPI __attribute__((ms_abi))
#endif
/* EFI headers assume regparm(0) on i386, but that is not the case for iPXE */
#if __i386__
#define EFIAPI __attribute__((cdecl,regparm(0)))
#endif
/* EFI headers define EFI_HANDLE as a void pointer, which renders type
* checking somewhat useless. Work around this bizarre sabotage
* attempt by redefining EFI_HANDLE as a pointer to an anonymous
* structure.
*/
#define EFI_HANDLE STUPID_EFI_HANDLE
#include <ipxe/efi/Uefi/UefiBaseType.h>
#undef EFI_HANDLE
typedef struct {} *EFI_HANDLE;
/* Include the top-level EFI header files */
#include <ipxe/efi/Uefi.h>
#include <ipxe/efi/PiDxe.h>
#include <ipxe/efi/Protocol/LoadedImage.h>
/* Reset any trailing #pragma pack directives */
#pragma pack(1)
#pragma pack()
#include <ipxe/tables.h>
#include <ipxe/uuid.h>
/** An EFI protocol used by iPXE */
struct efi_protocol {
/** GUID */
EFI_GUID guid;
/** Variable containing pointer to protocol structure */
void **protocol;
/** Protocol is required */
int required;
};
/** EFI protocol table */
#define EFI_PROTOCOLS __table ( struct efi_protocol, "efi_protocols" )
/** Declare an EFI protocol used by iPXE */
#define __efi_protocol __table_entry ( EFI_PROTOCOLS, 01 )
/** Declare an EFI protocol to be required by iPXE
*
* @v _protocol EFI protocol name
* @v _ptr Pointer to protocol instance
*/
#define EFI_REQUIRE_PROTOCOL( _protocol, _ptr ) \
struct efi_protocol __ ## _protocol __efi_protocol = { \
.guid = _protocol ## _GUID, \
.protocol = ( ( void ** ) ( void * ) \
( ( (_ptr) == ( ( _protocol ** ) (_ptr) ) ) ? \
(_ptr) : (_ptr) ) ), \
.required = 1, \
}
/** Declare an EFI protocol to be requested by iPXE
*
* @v _protocol EFI protocol name
* @v _ptr Pointer to protocol instance
*/
#define EFI_REQUEST_PROTOCOL( _protocol, _ptr ) \
struct efi_protocol __ ## _protocol __efi_protocol = { \
.guid = _protocol ## _GUID, \
.protocol = ( ( void ** ) ( void * ) \
( ( (_ptr) == ( ( _protocol ** ) (_ptr) ) ) ? \
(_ptr) : (_ptr) ) ), \
.required = 0, \
}
/** An EFI configuration table used by iPXE */
struct efi_config_table {
/** GUID */
EFI_GUID guid;
/** Variable containing pointer to configuration table */
void **table;
/** Table is required for operation */
int required;
};
/** EFI configuration table table */
#define EFI_CONFIG_TABLES \
__table ( struct efi_config_table, "efi_config_tables" )
/** Declare an EFI configuration table used by iPXE */
#define __efi_config_table __table_entry ( EFI_CONFIG_TABLES, 01 )
/** Declare an EFI configuration table to be used by iPXE
*
* @v _table EFI configuration table name
* @v _ptr Pointer to configuration table
* @v _required Table is required for operation
*/
#define EFI_USE_TABLE( _table, _ptr, _required ) \
struct efi_config_table __ ## _table __efi_config_table = { \
.guid = _table ## _GUID, \
.table = ( ( void ** ) ( void * ) (_ptr) ), \
.required = (_required), \
}
/**
* Convert an iPXE status code to an EFI status code
*
* @v rc iPXE status code
* @ret efirc EFI status code
*/
#define EFIRC( rc ) ERRNO_TO_PLATFORM ( -(rc) )
/**
* Convert an EFI status code to an iPXE status code
*
* @v efirc EFI status code
* @ret rc iPXE status code (before negation)
*/
#define EEFI( efirc ) EPLATFORM ( EINFO_EPLATFORM, efirc )
extern EFI_GUID efi_arp_protocol_guid;
extern EFI_GUID efi_arp_service_binding_protocol_guid;
extern EFI_GUID efi_block_io_protocol_guid;
extern EFI_GUID efi_bus_specific_driver_override_protocol_guid;
extern EFI_GUID efi_component_name_protocol_guid;
extern EFI_GUID efi_component_name2_protocol_guid;
extern EFI_GUID efi_device_path_protocol_guid;
extern EFI_GUID efi_dhcp4_protocol_guid;
extern EFI_GUID efi_dhcp4_service_binding_protocol_guid;
extern EFI_GUID efi_disk_io_protocol_guid;
extern EFI_GUID efi_driver_binding_protocol_guid;
extern EFI_GUID efi_graphics_output_protocol_guid;
extern EFI_GUID efi_hii_config_access_protocol_guid;
extern EFI_GUID efi_ip4_protocol_guid;
extern EFI_GUID efi_ip4_config_protocol_guid;
extern EFI_GUID efi_ip4_service_binding_protocol_guid;
extern EFI_GUID efi_load_file_protocol_guid;
extern EFI_GUID efi_load_file2_protocol_guid;
extern EFI_GUID efi_loaded_image_protocol_guid;
extern EFI_GUID efi_loaded_image_device_path_protocol_guid;
extern EFI_GUID efi_managed_network_protocol_guid;
extern EFI_GUID efi_managed_network_service_binding_protocol_guid;
extern EFI_GUID efi_mtftp4_protocol_guid;
extern EFI_GUID efi_mtftp4_service_binding_protocol_guid;
extern EFI_GUID efi_nii_protocol_guid;
extern EFI_GUID efi_nii31_protocol_guid;
extern EFI_GUID efi_pci_io_protocol_guid;
extern EFI_GUID efi_pci_root_bridge_io_protocol_guid;
extern EFI_GUID efi_pxe_base_code_protocol_guid;
extern EFI_GUID efi_simple_file_system_protocol_guid;
extern EFI_GUID efi_simple_network_protocol_guid;
extern EFI_GUID efi_tcg_protocol_guid;
extern EFI_GUID efi_tcp4_protocol_guid;
extern EFI_GUID efi_tcp4_service_binding_protocol_guid;
extern EFI_GUID efi_udp4_protocol_guid;
extern EFI_GUID efi_udp4_service_binding_protocol_guid;
extern EFI_GUID efi_vlan_config_protocol_guid;
extern EFI_HANDLE efi_image_handle;
extern EFI_LOADED_IMAGE_PROTOCOL *efi_loaded_image;
extern EFI_DEVICE_PATH_PROTOCOL *efi_loaded_image_path;
extern EFI_SYSTEM_TABLE *efi_systab;
extern const char * efi_guid_ntoa ( EFI_GUID *guid );
extern const char * efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path );
extern const char * efi_handle_name ( EFI_HANDLE handle );
extern void dbg_efi_openers ( EFI_HANDLE handle, EFI_GUID *protocol );
extern void dbg_efi_protocols ( EFI_HANDLE handle );
#define DBG_EFI_OPENERS_IF( level, handle, protocol ) do { \
if ( DBG_ ## level ) { \
dbg_efi_openers ( handle, protocol ); \
} \
} while ( 0 )
#define DBG_EFI_PROTOCOLS_IF( level, handle ) do { \
if ( DBG_ ## level ) { \
dbg_efi_protocols ( handle ); \
} \
} while ( 0 )
#define DBGC_EFI_OPENERS_IF( level, id, ... ) do { \
DBG_AC_IF ( level, id ); \
DBG_EFI_OPENERS_IF ( level, __VA_ARGS__ ); \
DBG_DC_IF ( level ); \
} while ( 0 )
#define DBGC_EFI_PROTOCOLS_IF( level, id, ... ) do { \
DBG_AC_IF ( level, id ); \
DBG_EFI_PROTOCOLS_IF ( level, __VA_ARGS__ ); \
DBG_DC_IF ( level ); \
} while ( 0 )
#define DBGC_EFI_OPENERS( ... ) \
DBGC_EFI_OPENERS_IF ( LOG, ##__VA_ARGS__ )
#define DBGC_EFI_PROTOCOLS( ... ) \
DBGC_EFI_PROTOCOLS_IF ( LOG, ##__VA_ARGS__ )
#define DBGC2_EFI_OPENERS( ... ) \
DBGC_EFI_OPENERS_IF ( EXTRA, ##__VA_ARGS__ )
#define DBGC2_EFI_PROTOCOLS( ... ) \
DBGC_EFI_PROTOCOLS_IF ( EXTRA, ##__VA_ARGS__ )
#define DBGCP_EFI_OPENERS( ... ) \
DBGC_EFI_OPENERS_IF ( PROFILE, ##__VA_ARGS__ )
#define DBGCP_EFI_PROTOCOLS( ... ) \
DBGC_EFI_PROTOCOLS_IF ( PROFILE, ##__VA_ARGS__ )
extern EFI_STATUS efi_init ( EFI_HANDLE image_handle,
EFI_SYSTEM_TABLE *systab );
#endif /* _IPXE_EFI_H */
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