From a19d66c56af1c52b8b463bf94d21116ae8c1aa5a Mon Sep 17 00:00:00 2001 From: Tom Lendacky Date: Mon, 17 Jul 2017 16:10:13 -0500 Subject: efi: Add an EFI table address match function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a function that will determine if a supplied physical address matches the address of an EFI table. Signed-off-by: Tom Lendacky Reviewed-by: Thomas Gleixner Reviewed-by: Matt Fleming Reviewed-by: Borislav Petkov Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Brijesh Singh Cc: Dave Young Cc: Dmitry Vyukov Cc: Jonathan Corbet Cc: Konrad Rzeszutek Wilk Cc: Larry Woodman Cc: Linus Torvalds Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Peter Zijlstra Cc: Radim Krčmář Cc: Rik van Riel Cc: Toshimitsu Kani Cc: kasan-dev@googlegroups.com Cc: kvm@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-efi@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/e1e06441d80f44776df391e0e4cb485b345b7518.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar --- include/linux/efi.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux') diff --git a/include/linux/efi.h b/include/linux/efi.h index 8269bcb8ccf7..8e24f099bd3f 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1091,6 +1091,8 @@ static inline bool efi_enabled(int feature) return test_bit(feature, &efi.flags) != 0; } extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); + +extern bool efi_is_table_address(unsigned long phys_addr); #else static inline bool efi_enabled(int feature) { @@ -1104,6 +1106,11 @@ efi_capsule_pending(int *reset_type) { return false; } + +static inline bool efi_is_table_address(unsigned long phys_addr) +{ + return false; +} #endif extern int efi_status_to_err(efi_status_t status); -- cgit v1.2.3