linux-kernel - [PATCH v12 00/23] TDX KVM selftests

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Message-ID: <20251028212052.200523-1-sagis@google.com>
Date: Tue, 28 Oct 2025 21:20:26 +0000
From: Sagi Shahar <sagis@...gle.com>
To: linux-kselftest@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>, 
	Shuah Khan <shuah@...nel.org>, Sean Christopherson <seanjc@...gle.com>, 
	Ackerley Tng <ackerleytng@...gle.com>, Ryan Afranji <afranji@...gle.com>, 
	Andrew Jones <ajones@...tanamicro.com>, Isaku Yamahata <isaku.yamahata@...el.com>, 
	Erdem Aktas <erdemaktas@...gle.com>, Rick Edgecombe <rick.p.edgecombe@...el.com>, 
	Sagi Shahar <sagis@...gle.com>, Roger Wang <runanwang@...gle.com>, 
	Binbin Wu <binbin.wu@...ux.intel.com>, Oliver Upton <oliver.upton@...ux.dev>, 
	"Pratik R. Sampat" <pratikrajesh.sampat@....com>, Reinette Chatre <reinette.chatre@...el.com>, 
	Ira Weiny <ira.weiny@...el.com>, Chao Gao <chao.gao@...el.com>, 
	Chenyi Qiang <chenyi.qiang@...el.com>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH v12 00/23] TDX KVM selftests

This is v12 of the TDX selftests.

This series is based on v6.18-rc3

Changes from v11 [1]:
- Rebased on top of v6.18-rc3.
- Hook vm_tdx_finalize() into kvm_arch_vm_finalize_vcpus instead of
  calling it as part of vm_tdx_create_with_one_vcpu. See "KVM: selftests:
  Finalize TD memory as part of kvm_arch_vm_finalize_vcpus" which was
  added to this series.
- Replaced vm_tdx_create_with_one_vcpu with vm_create_shape_with_one_vcpu
  following Sean's patch to simplify creating VM shapes.

[1] https://lore.kernel.org/lkml/20250925172851.606193-1-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 (16):
  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: Finalize TD memory as part of
    kvm_arch_vm_finalize_vcpus
  KVM: selftests: Add wrapper for TDX MMIO from guest
  KVM: selftests: Add TDX lifecycle test

Sean Christopherson (1):
  KVM: selftests: Add macros so simplify creating VM shapes for
    non-default types

 tools/include/linux/kbuild.h                  |  18 +
 tools/testing/selftests/kvm/Makefile.kvm      |  32 ++
 .../testing/selftests/kvm/include/kvm_util.h  |  14 +
 .../selftests/kvm/include/ucall_common.h      |   1 +
 .../selftests/kvm/include/x86/processor.h     |  40 +++
 .../selftests/kvm/include/x86/processor_asm.h |  12 +
 tools/testing/selftests/kvm/include/x86/sev.h |   2 -
 .../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  |  84 +++++
 .../testing/selftests/kvm/include/x86/ucall.h |   6 -
 tools/testing/selftests/kvm/lib/kvm_util.c    |  10 +-
 .../testing/selftests/kvm/lib/x86/processor.c |  99 ++++--
 tools/testing/selftests/kvm/lib/x86/sev.c     |  16 -
 .../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      | 330 ++++++++++++++++++
 tools/testing/selftests/kvm/lib/x86/ucall.c   |  46 ++-
 .../selftests/kvm/x86/sev_smoke_test.c        |  40 +--
 tools/testing/selftests/kvm/x86/tdx_vm_test.c |  33 ++
 25 files changed, 1056 insertions(+), 78 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

-- 
2.51.1.851.g4ebd6896fd-goog