Merge branch 'kvm-sev-es-ghcbv2' into HEAD

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While the main additions from GHCB protocol version 1 to version 2
revolve mostly around SEV-SNP support, there are a number of changes
applicable to SEV-ES guests as well. Pluck a handful patches from the
SNP hypervisor patchset for GHCB-related changes that are also applicable
to SEV-ES.  A KVM_SEV_INIT2 field lets userspace can control the maximum
GHCB protocol version advertised to guests and manage compatibility
across kernels/versions.

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This commit is contained in:

Paolo Bonzini 2024-05-07 13:28:54 -04:00

parent f36508422a 4af663c2f6

commit bbe10a5cc0

5 changed files with 120 additions and 16 deletions

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11

Documentation/virt/kvm/x86/amd-memory-encryption.rst

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8

arch/x86/include/asm/sev-common.h

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4

arch/x86/include/uapi/asm/kvm.h

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111

arch/x86/kvm/svm/sev.c

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2

arch/x86/kvm/svm/svm.h

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