diff options
Diffstat (limited to 'arch/x86/hyperv/ivm.c')
-rw-r--r-- | arch/x86/hyperv/ivm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/hyperv/ivm.c b/arch/x86/hyperv/ivm.c index afdae1a8a117..6c7598d9e68a 100644 --- a/arch/x86/hyperv/ivm.c +++ b/arch/x86/hyperv/ivm.c @@ -571,3 +571,20 @@ bool hv_isolation_type_tdx(void) { return static_branch_unlikely(&isolation_type_tdx); } + +#ifdef CONFIG_INTEL_TDX_GUEST + +u64 hv_tdx_hypercall(u64 control, u64 param1, u64 param2) +{ + struct tdx_hypercall_args args = { }; + + args.r10 = control; + args.rdx = param1; + args.r8 = param2; + + (void)__tdx_hypercall_ret(&args); + + return args.r11; +} + +#endif |