Use newly introduced TDCALL_0() instead of tdcall() to issue MR_REPORT tdcall.
It cuts code bloat substantially: Function old new delta tdx_mcall_get_report0 229 111 -118 Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com> --- arch/x86/coco/tdx/tdx.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index 42436a43bb49..45be53d5eeb4 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -101,19 +101,15 @@ static inline u64 tdg_vm_wr(u64 field, u64 value, u64 mask) */ int tdx_mcall_get_report0(u8 *reportdata, u8 *tdreport) { - struct tdx_module_args args = { - .rcx = virt_to_phys(tdreport), - .rdx = virt_to_phys(reportdata), - .r8 = TDREPORT_SUBTYPE_0, - }; u64 ret; - ret = __tdcall(TDG_MR_REPORT, &args); - if (ret) { - if (TDCALL_RETURN_CODE(ret) == TDCALL_INVALID_OPERAND) - return -EINVAL; + ret = TDCALL_0(TDG_MR_REPORT, virt_to_phys(tdreport), + virt_to_phys(reportdata), TDREPORT_SUBTYPE_0, 0); + + if (TDCALL_RETURN_CODE(ret) == TDCALL_INVALID_OPERAND) + return -EINVAL; + else if (ret) return -EIO; - } return 0; } -- 2.43.0