From: Ackerley Tng ackerleytng@google.com
Add support for TDG.MEM.PAGE.ACCEPT that the guest uses to accept a pending private page, previously added by TDH.MEM.PAGE.AUG or after conversion using the KVM_SET_MEMORY_ATTRIBUTES ioctl().
Signed-off-by: Ackerley Tng ackerleytng@google.com Signed-off-by: Sagi Shahar sagis@google.com --- tools/testing/selftests/kvm/include/x86/tdx/tdx.h | 2 ++ tools/testing/selftests/kvm/lib/x86/tdx/tdx.c | 7 +++++++ 2 files changed, 9 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/x86/tdx/tdx.h b/tools/testing/selftests/kvm/include/x86/tdx/tdx.h index 88f3571df16f..53637159fa12 100644 --- a/tools/testing/selftests/kvm/include/x86/tdx/tdx.h +++ b/tools/testing/selftests/kvm/include/x86/tdx/tdx.h @@ -7,6 +7,7 @@ #include "kvm_util.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 @@ -40,5 +41,6 @@ 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/tdx/tdx.c b/tools/testing/selftests/kvm/lib/x86/tdx/tdx.c index bae84c34c19e..a51ab7511936 100644 --- a/tools/testing/selftests/kvm/lib/x86/tdx/tdx.c +++ b/tools/testing/selftests/kvm/lib/x86/tdx/tdx.c @@ -3,6 +3,7 @@ #include <linux/kvm_para.h> #include <string.h>
+#include "processor.h" #include "tdx/tdcall.h" #include "tdx/tdx.h" #include "tdx/tdx_util.h" @@ -215,3 +216,9 @@ 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 & PAGE_MASK) | level, + 0, 0, 0, NULL); +}