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-rw-r--r--tools/arch/x86/include/uapi/asm/kvm.h149
-rw-r--r--tools/arch/x86/include/uapi/asm/prctl.h43
-rw-r--r--tools/arch/x86/include/uapi/asm/svm.h5
-rw-r--r--tools/arch/x86/include/uapi/asm/unistd_32.h3
-rw-r--r--tools/arch/x86/include/uapi/asm/unistd_64.h3
-rw-r--r--tools/arch/x86/include/uapi/asm/vmx.h5
6 files changed, 162 insertions, 46 deletions
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index ef11aa4cab42..6f3499507c5e 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -106,6 +106,7 @@ struct kvm_ioapic_state {
#define KVM_RUN_X86_SMM (1 << 0)
#define KVM_RUN_X86_BUS_LOCK (1 << 1)
+#define KVM_RUN_X86_GUEST_MODE (1 << 2)
/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
@@ -438,6 +439,9 @@ struct kvm_sync_regs {
#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
#define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
+#define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7)
+#define KVM_X86_QUIRK_STUFF_FEATURE_MSRS (1 << 8)
+#define KVM_X86_QUIRK_IGNORE_GUEST_PAT (1 << 9)
#define KVM_STATE_NESTED_FORMAT_VMX 0
#define KVM_STATE_NESTED_FORMAT_SVM 1
@@ -457,8 +461,13 @@ struct kvm_sync_regs {
#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
-/* attributes for system fd (group 0) */
-#define KVM_X86_XCOMP_GUEST_SUPP 0
+/* vendor-independent attributes for system fd (group 0) */
+#define KVM_X86_GRP_SYSTEM 0
+# define KVM_X86_XCOMP_GUEST_SUPP 0
+
+/* vendor-specific groups and attributes for system fd */
+#define KVM_X86_GRP_SEV 1
+# define KVM_X86_SEV_VMSA_FEATURES 0
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
@@ -551,6 +560,9 @@ struct kvm_x86_mce {
#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
#define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8)
+#define KVM_XEN_MSR_MIN_INDEX 0x40000000u
+#define KVM_XEN_MSR_MAX_INDEX 0x4fffffffu
+
struct kvm_xen_hvm_config {
__u32 flags;
__u32 msr;
@@ -689,6 +701,14 @@ enum sev_cmd_id {
/* Guest Migration Extension */
KVM_SEV_SEND_CANCEL,
+ /* Second time is the charm; improved versions of the above ioctls. */
+ KVM_SEV_INIT2,
+
+ /* SNP-specific commands */
+ KVM_SEV_SNP_LAUNCH_START = 100,
+ KVM_SEV_SNP_LAUNCH_UPDATE,
+ KVM_SEV_SNP_LAUNCH_FINISH,
+
KVM_SEV_NR_MAX,
};
@@ -700,6 +720,14 @@ struct kvm_sev_cmd {
__u32 sev_fd;
};
+struct kvm_sev_init {
+ __u64 vmsa_features;
+ __u32 flags;
+ __u16 ghcb_version;
+ __u16 pad1;
+ __u32 pad2[8];
+};
+
struct kvm_sev_launch_start {
__u32 handle;
__u32 policy;
@@ -808,6 +836,49 @@ struct kvm_sev_receive_update_data {
__u32 pad2;
};
+struct kvm_sev_snp_launch_start {
+ __u64 policy;
+ __u8 gosvw[16];
+ __u16 flags;
+ __u8 pad0[6];
+ __u64 pad1[4];
+};
+
+/* Kept in sync with firmware values for simplicity. */
+#define KVM_SEV_PAGE_TYPE_INVALID 0x0
+#define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1
+#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 gfn_start;
+ __u64 uaddr;
+ __u64 len;
+ __u8 type;
+ __u8 pad0;
+ __u16 flags;
+ __u32 pad1;
+ __u64 pad2[4];
+};
+
+#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 vcek_disabled;
+ __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
+ __u8 pad0[3];
+ __u16 flags;
+ __u64 pad1[4];
+};
+
#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
@@ -856,5 +927,79 @@ struct kvm_hyperv_eventfd {
#define KVM_X86_DEFAULT_VM 0
#define KVM_X86_SW_PROTECTED_VM 1
+#define KVM_X86_SEV_VM 2
+#define KVM_X86_SEV_ES_VM 3
+#define KVM_X86_SNP_VM 4
+#define KVM_X86_TDX_VM 5
+
+/* Trust Domain eXtension sub-ioctl() commands. */
+enum kvm_tdx_cmd_id {
+ KVM_TDX_CAPABILITIES = 0,
+ KVM_TDX_INIT_VM,
+ KVM_TDX_INIT_VCPU,
+ KVM_TDX_INIT_MEM_REGION,
+ KVM_TDX_FINALIZE_VM,
+ KVM_TDX_GET_CPUID,
+
+ KVM_TDX_CMD_NR_MAX,
+};
+
+struct kvm_tdx_cmd {
+ /* enum kvm_tdx_cmd_id */
+ __u32 id;
+ /* flags for sub-commend. If sub-command doesn't use this, set zero. */
+ __u32 flags;
+ /*
+ * data for each sub-command. An immediate or a pointer to the actual
+ * data in process virtual address. If sub-command doesn't use it,
+ * set zero.
+ */
+ __u64 data;
+ /*
+ * Auxiliary error code. The sub-command may return TDX SEAMCALL
+ * status code in addition to -Exxx.
+ */
+ __u64 hw_error;
+};
+
+struct kvm_tdx_capabilities {
+ __u64 supported_attrs;
+ __u64 supported_xfam;
+ __u64 reserved[254];
+
+ /* Configurable CPUID bits for userspace */
+ struct kvm_cpuid2 cpuid;
+};
+
+struct kvm_tdx_init_vm {
+ __u64 attributes;
+ __u64 xfam;
+ __u64 mrconfigid[6]; /* sha384 digest */
+ __u64 mrowner[6]; /* sha384 digest */
+ __u64 mrownerconfig[6]; /* sha384 digest */
+
+ /* The total space for TD_PARAMS before the CPUIDs is 256 bytes */
+ __u64 reserved[12];
+
+ /*
+ * Call KVM_TDX_INIT_VM before vcpu creation, thus before
+ * KVM_SET_CPUID2.
+ * This configuration supersedes KVM_SET_CPUID2s for VCPUs because the
+ * TDX module directly virtualizes those CPUIDs without VMM. The user
+ * space VMM, e.g. qemu, should make KVM_SET_CPUID2 consistent with
+ * those values. If it doesn't, KVM may have wrong idea of vCPUIDs of
+ * the guest, and KVM may wrongly emulate CPUIDs or MSRs that the TDX
+ * module doesn't virtualize.
+ */
+ struct kvm_cpuid2 cpuid;
+};
+
+#define KVM_TDX_MEASURE_MEMORY_REGION _BITULL(0)
+
+struct kvm_tdx_init_mem_region {
+ __u64 source_addr;
+ __u64 gpa;
+ __u64 nr_pages;
+};
#endif /* _ASM_X86_KVM_H */
diff --git a/tools/arch/x86/include/uapi/asm/prctl.h b/tools/arch/x86/include/uapi/asm/prctl.h
deleted file mode 100644
index 384e2cc6ac19..000000000000
--- a/tools/arch/x86/include/uapi/asm/prctl.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_X86_PRCTL_H
-#define _ASM_X86_PRCTL_H
-
-#define ARCH_SET_GS 0x1001
-#define ARCH_SET_FS 0x1002
-#define ARCH_GET_FS 0x1003
-#define ARCH_GET_GS 0x1004
-
-#define ARCH_GET_CPUID 0x1011
-#define ARCH_SET_CPUID 0x1012
-
-#define ARCH_GET_XCOMP_SUPP 0x1021
-#define ARCH_GET_XCOMP_PERM 0x1022
-#define ARCH_REQ_XCOMP_PERM 0x1023
-#define ARCH_GET_XCOMP_GUEST_PERM 0x1024
-#define ARCH_REQ_XCOMP_GUEST_PERM 0x1025
-
-#define ARCH_XCOMP_TILECFG 17
-#define ARCH_XCOMP_TILEDATA 18
-
-#define ARCH_MAP_VDSO_X32 0x2001
-#define ARCH_MAP_VDSO_32 0x2002
-#define ARCH_MAP_VDSO_64 0x2003
-
-/* Don't use 0x3001-0x3004 because of old glibcs */
-
-#define ARCH_GET_UNTAG_MASK 0x4001
-#define ARCH_ENABLE_TAGGED_ADDR 0x4002
-#define ARCH_GET_MAX_TAG_BITS 0x4003
-#define ARCH_FORCE_TAGGED_SVA 0x4004
-
-#define ARCH_SHSTK_ENABLE 0x5001
-#define ARCH_SHSTK_DISABLE 0x5002
-#define ARCH_SHSTK_LOCK 0x5003
-#define ARCH_SHSTK_UNLOCK 0x5004
-#define ARCH_SHSTK_STATUS 0x5005
-
-/* ARCH_SHSTK_ features bits */
-#define ARCH_SHSTK_SHSTK (1ULL << 0)
-#define ARCH_SHSTK_WRSS (1ULL << 1)
-
-#endif /* _ASM_X86_PRCTL_H */
diff --git a/tools/arch/x86/include/uapi/asm/svm.h b/tools/arch/x86/include/uapi/asm/svm.h
index 80e1df482337..9c640a521a67 100644
--- a/tools/arch/x86/include/uapi/asm/svm.h
+++ b/tools/arch/x86/include/uapi/asm/svm.h
@@ -95,6 +95,8 @@
#define SVM_EXIT_CR14_WRITE_TRAP 0x09e
#define SVM_EXIT_CR15_WRITE_TRAP 0x09f
#define SVM_EXIT_INVPCID 0x0a2
+#define SVM_EXIT_BUS_LOCK 0x0a5
+#define SVM_EXIT_IDLE_HLT 0x0a6
#define SVM_EXIT_NPF 0x400
#define SVM_EXIT_AVIC_INCOMPLETE_IPI 0x401
#define SVM_EXIT_AVIC_UNACCELERATED_ACCESS 0x402
@@ -115,6 +117,7 @@
#define SVM_VMGEXIT_AP_CREATE_ON_INIT 0
#define SVM_VMGEXIT_AP_CREATE 1
#define SVM_VMGEXIT_AP_DESTROY 2
+#define SVM_VMGEXIT_SNP_RUN_VMPL 0x80000018
#define SVM_VMGEXIT_HV_FEATURES 0x8000fffd
#define SVM_VMGEXIT_TERM_REQUEST 0x8000fffe
#define SVM_VMGEXIT_TERM_REASON(reason_set, reason_code) \
@@ -223,6 +226,8 @@
{ SVM_EXIT_CR4_WRITE_TRAP, "write_cr4_trap" }, \
{ SVM_EXIT_CR8_WRITE_TRAP, "write_cr8_trap" }, \
{ SVM_EXIT_INVPCID, "invpcid" }, \
+ { SVM_EXIT_BUS_LOCK, "buslock" }, \
+ { SVM_EXIT_IDLE_HLT, "idle-halt" }, \
{ SVM_EXIT_NPF, "npf" }, \
{ SVM_EXIT_AVIC_INCOMPLETE_IPI, "avic_incomplete_ipi" }, \
{ SVM_EXIT_AVIC_UNACCELERATED_ACCESS, "avic_unaccelerated_access" }, \
diff --git a/tools/arch/x86/include/uapi/asm/unistd_32.h b/tools/arch/x86/include/uapi/asm/unistd_32.h
index 9de35df1afc3..63182a023e9d 100644
--- a/tools/arch/x86/include/uapi/asm/unistd_32.h
+++ b/tools/arch/x86/include/uapi/asm/unistd_32.h
@@ -11,6 +11,9 @@
#ifndef __NR_getpgid
#define __NR_getpgid 132
#endif
+#ifndef __NR_capget
+#define __NR_capget 184
+#endif
#ifndef __NR_gettid
#define __NR_gettid 224
#endif
diff --git a/tools/arch/x86/include/uapi/asm/unistd_64.h b/tools/arch/x86/include/uapi/asm/unistd_64.h
index d0f2043d7132..77311e8d1b5d 100644
--- a/tools/arch/x86/include/uapi/asm/unistd_64.h
+++ b/tools/arch/x86/include/uapi/asm/unistd_64.h
@@ -11,6 +11,9 @@
#ifndef __NR_getpgid
#define __NR_getpgid 121
#endif
+#ifndef __NR_capget
+#define __NR_capget 125
+#endif
#ifndef __NR_gettid
#define __NR_gettid 186
#endif
diff --git a/tools/arch/x86/include/uapi/asm/vmx.h b/tools/arch/x86/include/uapi/asm/vmx.h
index a5faf6d88f1b..f0f4a4cf84a7 100644
--- a/tools/arch/x86/include/uapi/asm/vmx.h
+++ b/tools/arch/x86/include/uapi/asm/vmx.h
@@ -34,6 +34,7 @@
#define EXIT_REASON_TRIPLE_FAULT 2
#define EXIT_REASON_INIT_SIGNAL 3
#define EXIT_REASON_SIPI_SIGNAL 4
+#define EXIT_REASON_OTHER_SMI 6
#define EXIT_REASON_INTERRUPT_WINDOW 7
#define EXIT_REASON_NMI_WINDOW 8
@@ -92,6 +93,7 @@
#define EXIT_REASON_TPAUSE 68
#define EXIT_REASON_BUS_LOCK 74
#define EXIT_REASON_NOTIFY 75
+#define EXIT_REASON_TDCALL 77
#define VMX_EXIT_REASONS \
{ EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
@@ -155,7 +157,8 @@
{ EXIT_REASON_UMWAIT, "UMWAIT" }, \
{ EXIT_REASON_TPAUSE, "TPAUSE" }, \
{ EXIT_REASON_BUS_LOCK, "BUS_LOCK" }, \
- { EXIT_REASON_NOTIFY, "NOTIFY" }
+ { EXIT_REASON_NOTIFY, "NOTIFY" }, \
+ { EXIT_REASON_TDCALL, "TDCALL" }
#define VMX_EXIT_REASON_FLAGS \
{ VMX_EXIT_REASONS_FAILED_VMENTRY, "FAILED_VMENTRY" }