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| author | David Howells <dhowells@redhat.com> | 2017-02-06 11:22:40 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-07 10:42:09 +0100 |
| commit | a2cd2f3f29f26782b7484b32e2af172e29313717 (patch) | |
| tree | 0fb723689c35815aa4a4002a53132a5d29e7ac1b /arch/x86/include/asm/efi.h | |
| parent | 87a8d03266a55f18f31fdb71c28a8dcffe39124d (diff) | |
| download | lwn-a2cd2f3f29f26782b7484b32e2af172e29313717.tar.gz lwn-a2cd2f3f29f26782b7484b32e2af172e29313717.zip | |
x86/efi: Allow invocation of arbitrary runtime services
Provide the ability to perform mixed-mode runtime service calls for x86 in
the same way the following commit provided the ability to invoke for boot
services:
0a637ee61247bd ("x86/efi: Allow invocation of arbitrary boot services")
Suggested-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1486380166-31868-2-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/efi.h')
| -rw-r--r-- | arch/x86/include/asm/efi.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index e99675b9c861..2f77bcefe6b4 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -191,6 +191,7 @@ static inline efi_status_t efi_thunk_set_virtual_address_map( struct efi_config { u64 image_handle; u64 table; + u64 runtime_services; u64 boot_services; u64 text_output; efi_status_t (*call)(unsigned long, ...); @@ -226,6 +227,10 @@ static inline bool efi_is_64bit(void) #define __efi_call_early(f, ...) \ __efi_early()->call((unsigned long)f, __VA_ARGS__); +#define efi_call_runtime(f, ...) \ + __efi_early()->call(efi_table_attr(efi_runtime_services, f, \ + __efi_early()->runtime_services), __VA_ARGS__) + extern bool efi_reboot_required(void); #else |