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| author | James Bottomley <jejb@linux.ibm.com> | 2020-11-30 12:28:19 -0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-12-14 19:56:18 +0000 |
| commit | 01726b6d23d4c8a870dbd5b96c0b9e3caf38ef3c (patch) | |
| tree | db9d56da1c9805a48c82063ce9eb8f7745f87046 /OvmfPkg/Include | |
| parent | bff2811c6d99c1e41a4cbb81b30cc4b5cb8e4f20 (diff) | |
| download | edk2-01726b6d23d4c8a870dbd5b96c0b9e3caf38ef3c.tar.gz edk2-01726b6d23d4c8a870dbd5b96c0b9e3caf38ef3c.tar.bz2 edk2-01726b6d23d4c8a870dbd5b96c0b9e3caf38ef3c.zip | |
OvmfPkg/AmdSev: Expose the Sev Secret area using a configuration table
Now that the secret area is protected by a boot time HOB, extract its
location details into a configuration table referenced by
gSevLaunchSecretGuid so the boot loader or OS can locate it before a
call to ExitBootServices().
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3077
Signed-off-by: James Bottomley <jejb@linux.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20201130202819.3910-7-jejb@linux.ibm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
[lersek@redhat.com: fix indentation of InstallConfigurationTable() args]
Diffstat (limited to 'OvmfPkg/Include')
| -rw-r--r-- | OvmfPkg/Include/Guid/SevLaunchSecret.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/OvmfPkg/Include/Guid/SevLaunchSecret.h b/OvmfPkg/Include/Guid/SevLaunchSecret.h new file mode 100644 index 0000000000..fa5f3830bc --- /dev/null +++ b/OvmfPkg/Include/Guid/SevLaunchSecret.h @@ -0,0 +1,28 @@ + /** @file
+ UEFI Configuration Table for exposing the SEV Launch Secret location to UEFI
+ applications (boot loaders).
+
+ Copyright (C) 2020 James Bottomley, IBM Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+ **/
+
+#ifndef SEV_LAUNCH_SECRET_H_
+#define SEV_LAUNCH_SECRET_H_
+
+#include <Uefi/UefiBaseType.h>
+
+#define SEV_LAUNCH_SECRET_GUID \
+ { 0xadf956ad, \
+ 0xe98c, \
+ 0x484c, \
+ { 0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47 }, \
+ }
+
+typedef struct {
+ UINT32 Base;
+ UINT32 Size;
+} SEV_LAUNCH_SECRET_LOCATION;
+
+extern EFI_GUID gSevLaunchSecretGuid;
+
+#endif // SEV_LAUNCH_SECRET_H_
|