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KVM: SVM: Add KVM_SEV SEND_START command

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The command is used to create an outgoing SEV guest encryption context.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Steve Rutherford <srutherford@google.com>
Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Message-Id: <2f1686d0164e0f1b3d6a41d620408393e0a48376.1618498113.git.ashish.kalra@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Brijesh Singh
2021-04-15 15:53:14 +00:00
committed by Paolo Bonzini
parent 52acd22faa
commit 4cfdd47d6d
4 changed files with 174 additions and 4 deletions
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12
include/uapi/linux/kvm.h
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@@ -1732,6 +1732,18 @@ struct kvm_sev_attestation_report {
__u32 len;
};
struct kvm_sev_send_start {
__u32 policy;
__u64 pdh_cert_uaddr;
__u32 pdh_cert_len;
__u64 plat_certs_uaddr;
__u32 plat_certs_len;
__u64 amd_certs_uaddr;
__u32 amd_certs_len;
__u64 session_uaddr;
__u32 session_len;
};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)