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| Started by | Borislav Petkov <bp@suse.de> |
|---|---|
| First post | 2017-09-12 22:20 +0200 |
| Last post | 2017-09-12 22:20 +0200 |
| Articles | 1 — 1 participant |
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Re: [RFC Part2 PATCH v3 09/26] KVM: Introduce KVM_MEMORY_ENCRYPT_OP ioctl Borislav Petkov <bp@suse.de> - 2017-09-12 22:20 +0200
| From | Borislav Petkov <bp@suse.de> |
|---|---|
| Date | 2017-09-12 22:20 +0200 |
| Subject | Re: [RFC Part2 PATCH v3 09/26] KVM: Introduce KVM_MEMORY_ENCRYPT_OP ioctl |
| Message-ID | <uoZP4-5Ys-5@gated-at.bofh.it> |
On Mon, Jul 24, 2017 at 03:02:46PM -0500, Brijesh Singh wrote:
> If hardware supports encrypting then KVM_MEMORY_ENCRYPT_OP ioctl can
> be used by qemu to issue platform specific memory encryption commands.
>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> arch/x86/include/asm/kvm_host.h | 2 ++
> arch/x86/kvm/x86.c | 12 ++++++++++++
> include/uapi/linux/kvm.h | 2 ++
> 3 files changed, 16 insertions(+)
...
> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> index 6cd63c1..ab3b711 100644
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -1355,6 +1355,8 @@ struct kvm_s390_ucas_mapping {
> /* Available with KVM_CAP_S390_CMMA_MIGRATION */
> #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
> #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
> +/* Memory Encryption Commands */
> +#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
I think this should be documented in
Documentation/virtual/kvm/api.txt... unless I'm missing that hunk in
some later patch...
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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