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efi: Add EFI file I/O data types 

The x86 EFI stub needs to access files, for example when loading
initrd's. Add the required data types.

Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1318848017-12301-1-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Matt Fleming 2011-08-11 10:28:06 +01:00 committed by H. Peter Anvin
parent e2527a7cbe
commit 55839d5154
1 changed files with 40 additions and 0 deletions
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40
include/linux/efi.h
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@ -307,6 +307,12 @@ typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules,
#define EFI_PCI_IO_PROTOCOL_GUID \
EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a )
#define EFI_FILE_INFO_ID \
EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
#define EFI_FILE_SYSTEM_GUID \
EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
typedef struct {
efi_guid_t guid;
unsigned long table;
@ -362,6 +368,40 @@ typedef struct {
unsigned long unload;
} efi_loaded_image_t;
typedef struct {
u64 revision;
void *open_volume;
} efi_file_io_interface_t;
typedef struct {
u64 size;
u64 file_size;
u64 phys_size;
efi_time_t create_time;
efi_time_t last_access_time;
efi_time_t modification_time;
__aligned_u64 attribute;
efi_char16_t filename[1];
} efi_file_info_t;
typedef struct {
u64 revision;
void *open;
void *close;
void *delete;
void *read;
void *write;
void *get_position;
void *set_position;
void *get_info;
void *set_info;
void *flush;
} efi_file_handle_t;
#define EFI_FILE_MODE_READ 0x0000000000000001
#define EFI_FILE_MODE_WRITE 0x0000000000000002
#define EFI_FILE_MODE_CREATE 0x8000000000000000
#define EFI_INVALID_TABLE_ADDR (~0UL)
/*