summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/shared/tdx.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/shared/tdx.h')
-rw-r--r--arch/x86/include/asm/shared/tdx.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/shared/tdx.h b/arch/x86/include/asm/shared/tdx.h
index 19228beb4894..7513b3bb69b7 100644
--- a/arch/x86/include/asm/shared/tdx.h
+++ b/arch/x86/include/asm/shared/tdx.h
@@ -93,5 +93,16 @@ u64 __tdx_module_call(u64 fn, u64 rcx, u64 rdx, u64 r8, u64 r9,
bool tdx_accept_memory(phys_addr_t start, phys_addr_t end);
+/*
+ * The TDG.VP.VMCALL-Instruction-execution sub-functions are defined
+ * independently from but are currently matched 1:1 with VMX EXIT_REASONs.
+ * Reusing the KVM EXIT_REASON macros makes it easier to connect the host and
+ * guest sides of these calls.
+ */
+static __always_inline u64 hcall_func(u64 exit_reason)
+{
+ return exit_reason;
+}
+
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_SHARED_TDX_H */