This is v10 of the TDX selftests.
This series is based on v6.17-rc4 and has a dependency on "KVM: TDX: Force split irqchip for TDX at irqchip creation time" [1]
Changes from v9 [2]: - Rebased on top of v6.17-rc4. - Addressed the comments from v9. - Removed special handling for split irqchip in the test code in favor for the kvm fix in [1]. - Removed outdated support for VM memory not backed by guest_memfd. - Split "KVM: selftests: Hook TDX support to vm and vcpu creation" into 4 separate patches.
[1] https://lore.kernel.org/lkml/20250904062007.622530-1-sagis@google.com/ [2] https://lore.kernel.org/lkml/20250821042915.3712925-1-sagis@google.com/
Ackerley Tng (2): KVM: selftests: Add helpers to init TDX memory and finalize VM KVM: selftests: Add ucall support for TDX
Erdem Aktas (2): KVM: selftests: Add TDX boot code KVM: selftests: Add support for TDX TDCALL from guest
Isaku Yamahata (2): KVM: selftests: Update kvm_init_vm_address_properties() for TDX KVM: selftests: TDX: Use KVM_TDX_CAPABILITIES to validate TDs' attribute configuration
Sagi Shahar (15): KVM: selftests: Allocate pgd in virt_map() as necessary KVM: selftests: Expose functions to get default sregs values KVM: selftests: Expose function to allocate guest vCPU stack KVM: selftests: Expose segment definitons to assembly files KVM: selftests: Add kbuild definitons KVM: selftests: Define structs to pass parameters to TDX boot code KVM: selftests: Set up TDX boot code region KVM: selftests: Set up TDX boot parameters region KVM: selftests: Add helper to initialize TDX VM KVM: selftests: Call TDX init when creating a new TDX vm KVM: selftests: Setup memory regions for TDX on vm creation KVM: selftests: Call KVM_TDX_INIT_VCPU when creating a new TDX vcpu KVM: selftests: Set entry point for TDX guest code KVM: selftests: Add wrapper for TDX MMIO from guest KVM: selftests: Add TDX lifecycle test
tools/include/linux/kbuild.h | 18 + tools/testing/selftests/kvm/Makefile.kvm | 32 ++ .../selftests/kvm/include/x86/processor.h | 35 ++ .../selftests/kvm/include/x86/processor_asm.h | 12 + .../selftests/kvm/include/x86/tdx/td_boot.h | 74 ++++ .../kvm/include/x86/tdx/td_boot_asm.h | 16 + .../selftests/kvm/include/x86/tdx/tdcall.h | 34 ++ .../selftests/kvm/include/x86/tdx/tdx.h | 14 + .../selftests/kvm/include/x86/tdx/tdx_util.h | 86 +++++ .../testing/selftests/kvm/include/x86/ucall.h | 4 +- tools/testing/selftests/kvm/lib/kvm_util.c | 10 +- .../testing/selftests/kvm/lib/x86/processor.c | 91 +++-- .../selftests/kvm/lib/x86/tdx/td_boot.S | 60 +++ .../kvm/lib/x86/tdx/td_boot_offsets.c | 21 ++ .../selftests/kvm/lib/x86/tdx/tdcall.S | 93 +++++ .../kvm/lib/x86/tdx/tdcall_offsets.c | 16 + tools/testing/selftests/kvm/lib/x86/tdx/tdx.c | 23 ++ .../selftests/kvm/lib/x86/tdx/tdx_util.c | 354 ++++++++++++++++++ tools/testing/selftests/kvm/lib/x86/ucall.c | 45 ++- tools/testing/selftests/kvm/x86/tdx_vm_test.c | 31 ++ 20 files changed, 1032 insertions(+), 37 deletions(-) create mode 100644 tools/include/linux/kbuild.h create mode 100644 tools/testing/selftests/kvm/include/x86/processor_asm.h create mode 100644 tools/testing/selftests/kvm/include/x86/tdx/td_boot.h create mode 100644 tools/testing/selftests/kvm/include/x86/tdx/td_boot_asm.h create mode 100644 tools/testing/selftests/kvm/include/x86/tdx/tdcall.h create mode 100644 tools/testing/selftests/kvm/include/x86/tdx/tdx.h create mode 100644 tools/testing/selftests/kvm/include/x86/tdx/tdx_util.h create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/td_boot.S create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/td_boot_offsets.c create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/tdcall.S create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/tdcall_offsets.c create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/tdx.c create mode 100644 tools/testing/selftests/kvm/lib/x86/tdx/tdx_util.c create mode 100644 tools/testing/selftests/kvm/x86/tdx_vm_test.c