KVM: nVMX: Success/failure of VMX instructions.

VMX instructions specify success or failure by setting certain RFLAGS bits.
This patch contains common functions to do this, and they will be used in
the following patches which emulate the various VMX instructions.

Signed-off-by: Nadav Har'El <nyh@il.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 84471b810460..37690bd580c8 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -426,4 +426,35 @@ struct vmx_msr_entry {
         u64 value;
 } __aligned(16);
 
+/*
+ * VM-instruction error numbers
+ */
+enum vm_instruction_error_number {
+        VMXERR_VMCALL_IN_VMX_ROOT_OPERATION = 1,
+        VMXERR_VMCLEAR_INVALID_ADDRESS = 2,
+        VMXERR_VMCLEAR_VMXON_POINTER = 3,
+        VMXERR_VMLAUNCH_NONCLEAR_VMCS = 4,
+        VMXERR_VMRESUME_NONLAUNCHED_VMCS = 5,
+        VMXERR_VMRESUME_AFTER_VMXOFF = 6,
+        VMXERR_ENTRY_INVALID_CONTROL_FIELD = 7,
+        VMXERR_ENTRY_INVALID_HOST_STATE_FIELD = 8,
+        VMXERR_VMPTRLD_INVALID_ADDRESS = 9,
+        VMXERR_VMPTRLD_VMXON_POINTER = 10,
+        VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID = 11,
+        VMXERR_UNSUPPORTED_VMCS_COMPONENT = 12,
+        VMXERR_VMWRITE_READ_ONLY_VMCS_COMPONENT = 13,
+        VMXERR_VMXON_IN_VMX_ROOT_OPERATION = 15,
+        VMXERR_ENTRY_INVALID_EXECUTIVE_VMCS_POINTER = 16,
+        VMXERR_ENTRY_NONLAUNCHED_EXECUTIVE_VMCS = 17,
+        VMXERR_ENTRY_EXECUTIVE_VMCS_POINTER_NOT_VMXON_POINTER = 18,
+        VMXERR_VMCALL_NONCLEAR_VMCS = 19,
+        VMXERR_VMCALL_INVALID_VM_EXIT_CONTROL_FIELDS = 20,
+        VMXERR_VMCALL_INCORRECT_MSEG_REVISION_ID = 22,
+        VMXERR_VMXOFF_UNDER_DUAL_MONITOR_TREATMENT_OF_SMIS_AND_SMM = 23,
+        VMXERR_VMCALL_INVALID_SMM_MONITOR_FEATURES = 24,
+        VMXERR_ENTRY_INVALID_VM_EXECUTION_CONTROL_FIELDS_IN_EXECUTIVE_VMCS = 25,
+        VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS = 26,
+        VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID = 28,
+};
+
 #endif