[RFC PATCH v5 25/29] KVM: selftests: TDX: Add support for TDG.MEM.PAGE.ACCEPT

From: Sagi Shahar
Date: Tue Dec 12 2023 - 15:49:37 EST


From: Ackerley Tng <ackerleytng@xxxxxxxxxx>

Signed-off-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>
Signed-off-by: Ryan Afranji <afranji@xxxxxxxxxx>
Signed-off-by: Sagi Shahar <sagis@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/tdx/tdx.h | 2 ++
tools/testing/selftests/kvm/lib/x86_64/tdx/tdx.c | 5 +++++
2 files changed, 7 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/x86_64/tdx/tdx.h b/tools/testing/selftests/kvm/include/x86_64/tdx/tdx.h
index db4cc62abb5d..b71bcea40b5c 100644
--- a/tools/testing/selftests/kvm/include/x86_64/tdx/tdx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/tdx/tdx.h
@@ -6,6 +6,7 @@
#include "kvm_util_base.h"

#define TDG_VP_INFO 1
+#define TDG_MEM_PAGE_ACCEPT 6

#define TDG_VP_VMCALL_GET_TD_VM_CALL_INFO 0x10000
#define TDG_VP_VMCALL_MAP_GPA 0x10001
@@ -38,5 +39,6 @@ uint64_t tdg_vp_info(uint64_t *rcx, uint64_t *rdx,
uint64_t *r8, uint64_t *r9,
uint64_t *r10, uint64_t *r11);
uint64_t tdg_vp_vmcall_map_gpa(uint64_t address, uint64_t size, uint64_t *data_out);
+uint64_t tdg_mem_page_accept(uint64_t gpa, uint8_t level);

#endif // SELFTEST_TDX_TDX_H
diff --git a/tools/testing/selftests/kvm/lib/x86_64/tdx/tdx.c b/tools/testing/selftests/kvm/lib/x86_64/tdx/tdx.c
index 061a5c0bef34..d8c4ab635c06 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/tdx/tdx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/tdx/tdx.c
@@ -236,3 +236,8 @@ uint64_t tdg_vp_vmcall_map_gpa(uint64_t address, uint64_t size, uint64_t *data_o
*data_out = args.r11;
return ret;
}
+
+uint64_t tdg_mem_page_accept(uint64_t gpa, uint8_t level)
+{
+ return __tdx_module_call(TDG_MEM_PAGE_ACCEPT, gpa | level, 0, 0, 0, NULL);
+}
--
2.43.0.472.g3155946c3a-goog