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KVM: SVM: Add KVM_SEV_RECEIVE_UPDATE_DATA command

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The command is used for copying the incoming buffer into the
SEV guest memory space.

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>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Message-Id: <c5d0e3e719db7bb37ea85d79ed4db52e9da06257.1618498113.git.ashish.kalra@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Brijesh Singh
2021-04-15 15:55:17 +00:00
committed by Paolo Bonzini
parent af43cbbf95
commit 15fb7de1a7
3 changed files with 112 additions and 0 deletions
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9
include/uapi/linux/kvm.h
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@@ -1764,6 +1764,15 @@ struct kvm_sev_receive_start {
__u32 session_len;
};
struct kvm_sev_receive_update_data {
__u64 hdr_uaddr;
__u32 hdr_len;
__u64 guest_uaddr;
__u32 guest_len;
__u64 trans_uaddr;
__u32 trans_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)