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Tsirkin" , James Bottomley , "Dr . 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Signed-off-by: Brijesh Singh --- 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