_efi_file_handle 788 include/linux/efi.h efi_status_t (*open)(struct _efi_file_handle *, _efi_file_handle 789 include/linux/efi.h struct _efi_file_handle **, _efi_file_handle 791 include/linux/efi.h efi_status_t (*close)(struct _efi_file_handle *); _efi_file_handle 793 include/linux/efi.h efi_status_t (*read)(struct _efi_file_handle *, unsigned long *, _efi_file_handle 798 include/linux/efi.h efi_status_t (*get_info)(struct _efi_file_handle *, efi_guid_t *,