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authorBrijesh Singh <brijesh.singh@amd.com>2021-05-19 13:19:40 -0500
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2021-05-29 12:15:21 +0000
commitf0983b20747932989da69f6276657d3a50d41089 (patch)
tree92d0bd6a6fadd3089f0e965c2367ea6e538b1e13
parent34e16ff883f0e047fb9c0ac5c179f1b084ffbf98 (diff)
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MdePkg/Register/Amd: define GHCB macro for Register GPA structure
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275 An SEV-SNP guest is required to perform the GHCB GPA registration. See the GHCB specification for further details. Cc: James Bottomley <jejb@linux.ibm.com> Cc: Min Xu <min.m.xu@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang.liu@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> Reviewed-by: Erdem Aktas <erdemaktas@google.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Message-Id: <20210519181949.6574-5-brijesh.singh@amd.com>
-rw-r--r--MdePkg/Include/Register/Amd/Fam17Msr.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h b/MdePkg/Include/Register/Amd/Fam17Msr.h
index cdb8f58..542e4cd 100644
--- a/MdePkg/Include/Register/Amd/Fam17Msr.h
+++ b/MdePkg/Include/Register/Amd/Fam17Msr.h
@@ -53,6 +53,11 @@ typedef union {
UINT64 Features:52;
} GhcbHypervisorFeatures;
+ struct {
+ UINT64 Function:12;
+ UINT64 GuestFrameNumber:52;
+ } GhcbGpaRegister;
+
VOID *Ghcb;
UINT64 GhcbPhysicalAddress;
@@ -62,6 +67,8 @@ typedef union {
#define GHCB_INFO_SEV_INFO_GET 2
#define GHCB_INFO_CPUID_REQUEST 4
#define GHCB_INFO_CPUID_RESPONSE 5
+#define GHCB_INFO_GHCB_GPA_REGISTER_REQUEST 18
+#define GHCB_INFO_GHCB_GPA_REGISTER_RESPONSE 19
#define GHCB_HYPERVISOR_FEATURES_REQUEST 128
#define GHCB_HYPERVISOR_FEATURES_RESPONSE 129
#define GHCB_INFO_TERMINATE_REQUEST 256