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Message-ID: <20230725220132.2310657-26-afranji@google.com>
Date: Tue, 25 Jul 2023 22:01:18 +0000
From: Ryan Afranji <afranji@...gle.com>
To: linux-kselftest@...r.kernel.org
Cc: pbonzini@...hat.com, seanjc@...gle.com, isaku.yamahata@...el.com,
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Subject: [PATCH v4 25/28] KVM: selftests: TDX: Add support for TDG.MEM.PAGE.ACCEPT
From: Ackerley Tng <ackerleytng@...gle.com>
Signed-off-by: Ackerley Tng <ackerleytng@...gle.com>
Change-Id: I93d3c84735df06b300a84c7c7bb66a3128354739
Signed-off-by: Ryan Afranji <afranji@...gle.com>
---
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);
+}
--
2.41.0.487.g6d72f3e995-goog
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