[RFC PATCH 1/6] linux-header: add the SNP specific command

[Brijesh Singh <brijesh.singh@xxxxxxx>]

Sync the kvm.h with the kernel to include the SNP specific commands.

Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
---
 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