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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Brijesh Singh <brijesh.singh@amd.com>
Cc: "Tom Lendacky" <thomas.lendacky@amd.com>,
	"Daniel P. Berrangé" <berrange@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	kvm@vger.kernel.org, "Connor Kuehl" <ckuehl@redhat.com>,
	"Michael Roth" <michael.roth@amd.com>,
	"James Bottomley" <jejb@linux.ibm.com>,
	qemu-devel@nongnu.org,
	"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
	"Dov Murik" <dovmurik@linux.ibm.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [RFC PATCH 1/6] linux-header: add the SNP specific command
Date: Sat, 10 Jul 2021 16:32:03 -0400	[thread overview]
Message-ID: <20210710163148-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20210709215550.32496-2-brijesh.singh@amd.com>

On Fri, Jul 09, 2021 at 04:55:45PM -0500, Brijesh Singh wrote:
> Sync the kvm.h with the kernel to include the SNP specific commands.
> 
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>

Pls specify which kernel version you used for the sync.

> ---
>  linux-headers/linux/kvm.h | 47 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
> index 20d6a263bb..c17ace1ece 100644
> --- a/linux-headers/linux/kvm.h
> +++ b/linux-headers/linux/kvm.h
> @@ -1679,6 +1679,12 @@ enum sev_cmd_id {
>  	/* Guest Migration Extension */
>  	KVM_SEV_SEND_CANCEL,
>  
> +	/* SNP specific commands */
> +	KVM_SEV_SNP_INIT = 256,
> +	KVM_SEV_SNP_LAUNCH_START,
> +	KVM_SEV_SNP_LAUNCH_UPDATE,
> +	KVM_SEV_SNP_LAUNCH_FINISH,
> +
>  	KVM_SEV_NR_MAX,
>  };
>  
> @@ -1775,6 +1781,47 @@ struct kvm_sev_receive_update_data {
>  	__u32 trans_len;
>  };
>  
> +struct kvm_snp_init {
> +	__u64 flags;
> +};
> +
> +struct kvm_sev_snp_launch_start {
> +	__u64 policy;
> +	__u64 ma_uaddr;
> +	__u8 ma_en;
> +	__u8 imi_en;
> +	__u8 gosvw[16];
> +};
> +
> +#define KVM_SEV_SNP_PAGE_TYPE_NORMAL		0x1
> +#define KVM_SEV_SNP_PAGE_TYPE_VMSA		0x2
> +#define KVM_SEV_SNP_PAGE_TYPE_ZERO		0x3
> +#define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED	0x4
> +#define KVM_SEV_SNP_PAGE_TYPE_SECRETS		0x5
> +#define KVM_SEV_SNP_PAGE_TYPE_CPUID		0x6
> +
> +struct kvm_sev_snp_launch_update {
> +	__u64 uaddr;
> +	__u32 len;
> +	__u8 imi_page;
> +	__u8 page_type;
> +	__u8 vmpl3_perms;
> +	__u8 vmpl2_perms;
> +	__u8 vmpl1_perms;
> +};
> +
> +#define KVM_SEV_SNP_ID_BLOCK_SIZE	96
> +#define KVM_SEV_SNP_ID_AUTH_SIZE	4096
> +#define KVM_SEV_SNP_FINISH_DATA_SIZE	32
> +
> +struct kvm_sev_snp_launch_finish {
> +	__u64 id_block_uaddr;
> +	__u64 id_auth_uaddr;
> +	__u8 id_block_en;
> +	__u8 auth_key_en;
> +	__u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
> +};
> +
>  #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)
> -- 
> 2.17.1



  reply	other threads:[~2021-07-10 20:34 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-09 21:55 [RFC PATCH 0/6] Add AMD Secure Nested Paging (SEV-SNP) support Brijesh Singh
2021-07-09 21:55 ` [RFC PATCH 1/6] linux-header: add the SNP specific command Brijesh Singh
2021-07-10 20:32   ` Michael S. Tsirkin [this message]
2021-07-12 15:48     ` Brijesh Singh
2021-07-19 11:35   ` Dov Murik
2021-07-19 14:40     ` Brijesh Singh
2021-07-09 21:55 ` [RFC PATCH 2/6] i386/sev: extend sev-guest property to include SEV-SNP Brijesh Singh
2021-07-12  6:09   ` Dov Murik
2021-07-12 14:34   ` Dr. David Alan Gilbert
2021-07-12 15:59     ` Brijesh Singh
2021-07-12 16:16       ` Dr. David Alan Gilbert
2021-07-12 14:43   ` Daniel P. Berrangé
2021-07-12 15:56     ` Brijesh Singh
2021-07-12 16:24       ` Daniel P. Berrangé
2021-07-13 13:54         ` Brijesh Singh
2021-07-13 13:46   ` Markus Armbruster
2021-07-14 14:18     ` Brijesh Singh
2021-07-20 19:42     ` Michael Roth
2021-07-20 21:54       ` Daniel P. Berrangé
2021-07-21 13:08         ` Markus Armbruster
2021-07-22  0:02           ` Michael Roth via
2021-07-13 18:21   ` Eric Blake
2021-07-09 21:55 ` [RFC PATCH 3/6] i386/sev: initialize SNP context Brijesh Singh
2021-07-15  9:32   ` Dov Murik
2021-07-15 13:24     ` Brijesh Singh
2021-07-09 21:55 ` [RFC PATCH 4/6] i386/sev: add the SNP launch start context Brijesh Singh
2021-07-19 12:34   ` Dov Murik
2021-07-19 15:27     ` Brijesh Singh
2021-07-09 21:55 ` [RFC PATCH 5/6] i386/sev: add support to encrypt BIOS when SEV-SNP is enabled Brijesh Singh
2021-07-14 17:08   ` Connor Kuehl
2021-07-14 18:52     ` Brijesh Singh
2021-07-15  5:54       ` Dov Murik
2021-07-19 13:00   ` Dov Murik
2021-07-09 21:55 ` [RFC PATCH 6/6] i386/sev: populate secrets and cpuid page and finalize the SNP launch Brijesh Singh
2021-07-14 17:29   ` Dr. David Alan Gilbert
2021-07-14 18:53     ` Brijesh Singh
2021-07-19 11:24   ` Dov Murik
2021-07-19 14:45     ` Brijesh Singh
2021-07-12 17:00 ` [RFC PATCH 0/6] Add AMD Secure Nested Paging (SEV-SNP) support Tom Lendacky
2021-07-13  8:05 ` Dov Murik
2021-07-13  8:31   ` Dr. David Alan Gilbert
2021-07-13 13:57     ` Brijesh Singh
2021-07-13 14:01   ` Brijesh Singh
2021-07-14  9:52     ` Dr. David Alan Gilbert
2021-07-14 14:23       ` Brijesh Singh

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