summaryrefslogtreecommitdiff
path: root/include/linux/efi.h
diff options
context:
space:
mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-01-10 11:29:07 +0100
committerJeff Vander Stoep <jeffv@google.com>2016-09-22 13:38:22 -0700
commit39b0815e4872fe6eb20a7d1b42b551e341cb7167 (patch)
tree9288067da826d2a561a65f5f2625ffc43e74db7b /include/linux/efi.h
parent22346f1e99e4ed88ed8f68d95875a92395c3fea4 (diff)
BACKPORT: efi: stub: implement efi_get_random_bytes() based on EFI_RNG_PROTOCOL
This exposes the firmware's implementation of EFI_RNG_PROTOCOL via a new function efi_get_random_bytes(). Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Bug: 30369029 Patchset: kaslr-arm64-4.4 (cherry picked from commit e4fbf4767440472f9d23b0f25a2b905e1c63b6a8) Signed-off-by: Jeff Vander Stoep <jeffv@google.com> Change-Id: Id46036b78c2efd223b6cd5488e512fd93e8f597d
Diffstat (limited to 'include/linux/efi.h')
-rw-r--r--include/linux/efi.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 569b5a866bb1..e747eb08b2be 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -299,7 +299,7 @@ typedef struct {
void *open_protocol_information;
void *protocols_per_handle;
void *locate_handle_buffer;
- void *locate_protocol;
+ efi_status_t (*locate_protocol)(efi_guid_t *, void *, void **);
void *install_multiple_protocol_interfaces;
void *uninstall_multiple_protocol_interfaces;
void *calculate_crc32;
@@ -599,6 +599,10 @@ void efi_native_runtime_setup(void);
#define EFI_PROPERTIES_TABLE_GUID \
EFI_GUID( 0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5 )
+#define EFI_RNG_PROTOCOL_GUID \
+ EFI_GUID(0x3152bca5, 0xeade, 0x433d, \
+ 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
+
typedef struct {
efi_guid_t guid;
u64 table;