From: Ard Biesheuvel <ardb@kernel.org>
To: Ashish Kalra <Ashish.Kalra@amd.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>, Joerg Roedel <joro@8bytes.org>,
Tom Lendacky <Thomas.Lendacky@amd.com>, X86 ML <x86@kernel.org>,
kvm@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Steve Rutherford <srutherford@google.com>,
Brijesh Singh <brijesh.singh@amd.com>,
linux-efi <linux-efi@vger.kernel.org>
Subject: Re: [PATCH v3 4/5] EFI: Introduce the new AMD Memory Encryption GUID.
Date: Thu, 10 Jun 2021 17:01:54 +0200 [thread overview]
Message-ID: <CAMj1kXGOaTR6bCHYtdapgM4wfzNTFQ5f-n5Jf0q28JEmsKimZw@mail.gmail.com> (raw)
In-Reply-To: <13d4bdd5fc0cf9aa0ad81d43da975deb37f0d39c.1623174621.git.ashish.kalra@amd.com>
On Tue, 8 Jun 2021 at 20:07, Ashish Kalra <Ashish.Kalra@amd.com> wrote:
>
> From: Ashish Kalra <ashish.kalra@amd.com>
>
> Introduce a new AMD Memory Encryption GUID which is currently
> used for defining a new UEFI environment variable which indicates
> UEFI/OVMF support for the SEV live migration feature. This variable
> is setup when UEFI/OVMF detects host/hypervisor support for SEV
> live migration and later this variable is read by the kernel using
> EFI runtime services to verify if OVMF supports the live migration
> feature.
>
> Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> include/linux/efi.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/efi.h b/include/linux/efi.h
> index 6b5d36babfcc..dbd39b20e034 100644
> --- a/include/linux/efi.h
> +++ b/include/linux/efi.h
> @@ -362,6 +362,7 @@ void efi_native_runtime_setup(void);
>
> /* OEM GUIDs */
> #define DELLEMC_EFI_RCI2_TABLE_GUID EFI_GUID(0x2d9f28a2, 0xa886, 0x456a, 0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55)
> +#define AMD_SEV_MEM_ENCRYPT_GUID EFI_GUID(0x0cf29b71, 0x9e51, 0x433a, 0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75)
>
> typedef struct {
> efi_guid_t guid;
> --
> 2.17.1
>
next prev parent reply other threads:[~2021-06-10 15:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 18:05 [PATCH v3 0/5] Add Guest API & Guest Kernel support for SEV live migration Ashish Kalra
2021-06-08 18:05 ` [PATCH v3 1/5] KVM: X86: Introduce KVM_HC_MAP_GPA_RANGE hypercall Ashish Kalra
2021-06-10 16:58 ` Paolo Bonzini
2021-06-08 18:06 ` [PATCH v3 2/5] KVM: x86: invert KVM_HYPERCALL to default to VMMCALL Ashish Kalra
2021-08-19 20:45 ` Sean Christopherson
2021-08-19 22:08 ` Kalra, Ashish
2021-08-19 23:02 ` Kalra, Ashish
2021-08-19 23:15 ` Sean Christopherson
2021-08-20 13:32 ` Ashish Kalra
2021-06-08 18:06 ` [PATCH v3 3/5] mm: x86: Invoke hypercall when page encryption status is changed Ashish Kalra
2021-06-10 18:30 ` Borislav Petkov
2021-06-30 3:10 ` Ashish Kalra
2021-06-08 18:06 ` [PATCH v3 4/5] EFI: Introduce the new AMD Memory Encryption GUID Ashish Kalra
2021-06-10 15:01 ` Ard Biesheuvel [this message]
2021-06-08 18:07 ` [PATCH v3 5/5] x86/kvm: Add guest support for detecting and enabling SEV Live Migration feature Ashish Kalra
2021-06-10 18:32 ` Borislav Petkov
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