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-rw-r--r--include/linux/efi.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 8b84916dc671..7a9498ab3c2d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -618,18 +618,30 @@ extern int __init efi_setup_pcdp_console(char *);
618#endif 618#endif
619 619
620/* 620/*
621 * We play games with efi_enabled so that the compiler will, if possible, remove 621 * We play games with efi_enabled so that the compiler will, if
622 * EFI-related code altogether. 622 * possible, remove EFI-related code altogether.
623 */ 623 */
624#define EFI_BOOT 0 /* Were we booted from EFI? */
625#define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */
626#define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */
627#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */
628#define EFI_MEMMAP 4 /* Can we use EFI memory map? */
629#define EFI_64BIT 5 /* Is the firmware 64-bit? */
630
624#ifdef CONFIG_EFI 631#ifdef CONFIG_EFI
625# ifdef CONFIG_X86 632# ifdef CONFIG_X86
626 extern int efi_enabled; 633extern int efi_enabled(int facility);
627 extern bool efi_64bit;
628# else 634# else
629# define efi_enabled 1 635static inline int efi_enabled(int facility)
636{
637 return 1;
638}
630# endif 639# endif
631#else 640#else
632# define efi_enabled 0 641static inline int efi_enabled(int facility)
642{
643 return 0;
644}
633#endif 645#endif
634 646
635/* 647/*