Update to v4.17.3 kernel headers.

Test: Builds, boots on a walleye.
Change-Id: I389d8b61ec00ea309e38d1b1a2e0dace48c21edb
diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index d04832a..6c8ae61 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -305,11 +305,12 @@
     struct kvm_hyperv_exit hyperv;
     char padding[256];
   };
+#define SYNC_REGS_SIZE_BYTES 2048
   __u64 kvm_valid_regs;
   __u64 kvm_dirty_regs;
   union {
     struct kvm_sync_regs regs;
-    char padding[2048];
+    char padding[SYNC_REGS_SIZE_BYTES];
   } s;
 };
 struct kvm_coalesced_mmio_zone {
@@ -510,6 +511,10 @@
   __u32 flags;
   __u8 pad[36];
 };
+#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
+#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
+#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
+#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | KVM_X86_DISABLE_EXITS_HLT | KVM_X86_DISABLE_EXITS_PAUSE)
 struct kvm_enable_cap {
   __u32 cap;
   __u32 flags;
@@ -564,6 +569,7 @@
 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
+#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 #define KVM_CAP_IRQCHIP 0
 #define KVM_CAP_HLT 1
 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
@@ -721,7 +727,7 @@
 #define KVM_CAP_S390_GS 140
 #define KVM_CAP_S390_AIS 141
 #define KVM_CAP_SPAPR_TCE_VFIO 142
-#define KVM_CAP_X86_GUEST_MWAIT 143
+#define KVM_CAP_X86_DISABLE_EXITS 143
 #define KVM_CAP_ARM_USER_IRQ 144
 #define KVM_CAP_S390_CMMA_MIGRATION 145
 #define KVM_CAP_PPC_FWNMI 146
@@ -731,6 +737,8 @@
 #define KVM_CAP_S390_AIS_MIGRATION 150
 #define KVM_CAP_PPC_GET_CPU_CHAR 151
 #define KVM_CAP_S390_BPB 152
+#define KVM_CAP_GET_MSR_FEATURES 153
+#define KVM_CAP_HYPERV_EVENTFD 154
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;
@@ -1032,6 +1040,77 @@
 #define KVM_SMI _IO(KVMIO, 0xb7)
 #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)
+#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
+struct kvm_enc_region {
+  __u64 addr;
+  __u64 size;
+};
+#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
+#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
+#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
+enum sev_cmd_id {
+  KVM_SEV_INIT = 0,
+  KVM_SEV_ES_INIT,
+  KVM_SEV_LAUNCH_START,
+  KVM_SEV_LAUNCH_UPDATE_DATA,
+  KVM_SEV_LAUNCH_UPDATE_VMSA,
+  KVM_SEV_LAUNCH_SECRET,
+  KVM_SEV_LAUNCH_MEASURE,
+  KVM_SEV_LAUNCH_FINISH,
+  KVM_SEV_SEND_START,
+  KVM_SEV_SEND_UPDATE_DATA,
+  KVM_SEV_SEND_UPDATE_VMSA,
+  KVM_SEV_SEND_FINISH,
+  KVM_SEV_RECEIVE_START,
+  KVM_SEV_RECEIVE_UPDATE_DATA,
+  KVM_SEV_RECEIVE_UPDATE_VMSA,
+  KVM_SEV_RECEIVE_FINISH,
+  KVM_SEV_GUEST_STATUS,
+  KVM_SEV_DBG_DECRYPT,
+  KVM_SEV_DBG_ENCRYPT,
+  KVM_SEV_CERT_EXPORT,
+  KVM_SEV_NR_MAX,
+};
+struct kvm_sev_cmd {
+  __u32 id;
+  __u64 data;
+  __u32 error;
+  __u32 sev_fd;
+};
+struct kvm_sev_launch_start {
+  __u32 handle;
+  __u32 policy;
+  __u64 dh_uaddr;
+  __u32 dh_len;
+  __u64 session_uaddr;
+  __u32 session_len;
+};
+struct kvm_sev_launch_update_data {
+  __u64 uaddr;
+  __u32 len;
+};
+struct kvm_sev_launch_secret {
+  __u64 hdr_uaddr;
+  __u32 hdr_len;
+  __u64 guest_uaddr;
+  __u32 guest_len;
+  __u64 trans_uaddr;
+  __u32 trans_len;
+};
+struct kvm_sev_launch_measure {
+  __u64 uaddr;
+  __u32 len;
+};
+struct kvm_sev_guest_status {
+  __u32 handle;
+  __u32 policy;
+  __u32 state;
+};
+struct kvm_sev_dbg {
+  __u64 src_uaddr;
+  __u64 dst_uaddr;
+  __u32 len;
+};
 #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)
@@ -1079,4 +1158,12 @@
 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
 #define KVM_ARM_DEV_PMU (1 << 2)
+struct kvm_hyperv_eventfd {
+  __u32 conn_id;
+  __s32 fd;
+  __u32 flags;
+  __u32 padding[3];
+};
+#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
+#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
 #endif