From: Peter Feiner <pfeiner@xxxxxxxxxx>
Signed-off-by: Peter Feiner <pfeiner@xxxxxxxxxx>
Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
---
x86/vmx.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
x86/vmx.h | 11 +++++++++-
2 files changed, 79 insertions(+), 1 deletion(-)
diff --git a/x86/vmx.c b/x86/vmx.c
index e6c11b013d94..cd4cb1219040 100644
--- a/x86/vmx.c
+++ b/x86/vmx.c
@@ -425,6 +425,75 @@ static inline int vmx_off()
return ret;
}
+static const char * const exit_reason_descriptions[] = {
+ [VMX_EXC_NMI] = "VMX_EXC_NMI",
+ [VMX_EXTINT] = "VMX_EXTINT",
+ [VMX_TRIPLE_FAULT] = "VMX_TRIPLE_FAULT",
+ [VMX_INIT] = "VMX_INIT",
+ [VMX_SIPI] = "VMX_SIPI",
+ [VMX_SMI_IO] = "VMX_SMI_IO",
+ [VMX_SMI_OTHER] = "VMX_SMI_OTHER",
+ [VMX_INTR_WINDOW] = "VMX_INTR_WINDOW",
+ [VMX_NMI_WINDOW] = "VMX_NMI_WINDOW",
+ [VMX_TASK_SWITCH] = "VMX_TASK_SWITCH",
+ [VMX_CPUID] = "VMX_CPUID",
+ [VMX_GETSEC] = "VMX_GETSEC",
+ [VMX_HLT] = "VMX_HLT",
+ [VMX_INVD] = "VMX_INVD",
+ [VMX_INVLPG] = "VMX_INVLPG",
+ [VMX_RDPMC] = "VMX_RDPMC",
+ [VMX_RDTSC] = "VMX_RDTSC",
+ [VMX_RSM] = "VMX_RSM",
+ [VMX_VMCALL] = "VMX_VMCALL",
+ [VMX_VMCLEAR] = "VMX_VMCLEAR",
+ [VMX_VMLAUNCH] = "VMX_VMLAUNCH",
+ [VMX_VMPTRLD] = "VMX_VMPTRLD",
+ [VMX_VMPTRST] = "VMX_VMPTRST",
+ [VMX_VMREAD] = "VMX_VMREAD",
+ [VMX_VMRESUME] = "VMX_VMRESUME",
+ [VMX_VMWRITE] = "VMX_VMWRITE",
+ [VMX_VMXOFF] = "VMX_VMXOFF",
+ [VMX_VMXON] = "VMX_VMXON",
+ [VMX_CR] = "VMX_CR",
+ [VMX_DR] = "VMX_DR",
+ [VMX_IO] = "VMX_IO",
+ [VMX_RDMSR] = "VMX_RDMSR",
+ [VMX_WRMSR] = "VMX_WRMSR",
+ [VMX_FAIL_STATE] = "VMX_FAIL_STATE",
+ [VMX_FAIL_MSR] = "VMX_FAIL_MSR",
+ [VMX_MWAIT] = "VMX_MWAIT",
+ [VMX_MTF] = "VMX_MTF",
+ [VMX_MONITOR] = "VMX_MONITOR",
+ [VMX_PAUSE] = "VMX_PAUSE",
+ [VMX_FAIL_MCHECK] = "VMX_FAIL_MCHECK",
+ [VMX_TPR_THRESHOLD] = "VMX_TPR_THRESHOLD",
+ [VMX_APIC_ACCESS] = "VMX_APIC_ACCESS",
+ [VMX_GDTR_IDTR] = "VMX_GDTR_IDTR",
+ [VMX_LDTR_TR] = "VMX_LDTR_TR",
+ [VMX_EPT_VIOLATION] = "VMX_EPT_VIOLATION",
+ [VMX_EPT_MISCONFIG] = "VMX_EPT_MISCONFIG",
+ [VMX_INVEPT] = "VMX_INVEPT",
+ [VMX_PREEMPT] = "VMX_PREEMPT",
+ [VMX_INVVPID] = "VMX_INVVPID",
+ [VMX_WBINVD] = "VMX_WBINVD",
+ [VMX_XSETBV] = "VMX_XSETBV",
+ [VMX_APIC_WRITE] = "VMX_APIC_WRITE",
+ [VMX_RDRAND] = "VMX_RDRAND",
+ [VMX_INVPCID] = "VMX_INVPCID",
+ [VMX_VMFUNC] = "VMX_VMFUNC",
+ [VMX_RDSEED] = "VMX_RDSEED",
+ [VMX_PML_FULL] = "VMX_PML_FULL",
+ [VMX_XSAVES] = "VMX_XSAVES",
+ [VMX_XRSTORS] = "VMX_XRSTORS",
+};
+
+const char *exit_reason_description(u64 reason)
+{
+ if (reason >= ARRAY_SIZE(exit_reason_descriptions))
+ return "(unknown)";
+ return exit_reason_descriptions[reason] ? : "(unused)";
+}
+
void print_vmexit_info()
{
u64 guest_rip, guest_rsp;
diff --git a/x86/vmx.h b/x86/vmx.h
index 2328f0eee05d..3e4015660797 100644
--- a/x86/vmx.h
+++ b/x86/vmx.h
@@ -317,7 +317,15 @@ enum Reason {
VMX_PREEMPT = 52,
VMX_INVVPID = 53,
VMX_WBINVD = 54,
- VMX_XSETBV = 55
+ VMX_XSETBV = 55,
+ VMX_APIC_WRITE = 56,
+ VMX_RDRAND = 57,
+ VMX_INVPCID = 58,
+ VMX_VMFUNC = 59,
+ VMX_RDSEED = 61,
+ VMX_PML_FULL = 62,
+ VMX_XSAVES = 63,
+ VMX_XRSTORS = 64,
};
enum Ctrl_exi {
@@ -659,6 +667,7 @@ static inline bool invvpid(unsigned long type, u16 vpid, u64 gva)
return ret;
}
+const char *exit_reason_description(u64 reason);
void print_vmexit_info();
void print_vmentry_failure_info(struct vmentry_failure *failure);
void ept_sync(int type, u64 eptp);
--
2.12.2.816.g2cccc81164-goog
