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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- Removed outdated support for VM memory not backed by guest_memfd.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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