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Message-ID: <20250904065453.639610-1-sagis@google.com>
Date: Wed, 3 Sep 2025 23:54:30 -0700
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 v10 00/21] TDX KVM selftests
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- Removed outdated support for VM memory not backed by guest_memfd.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
--
2.51.0.338.gd7d06c2dae-goog
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