linux-kernel - [PATCH v18 011/121] [MARKER] The start of TDX KVM patch series: TDX architectural definitions

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Date: Mon, 22 Jan 2024 15:52:47 -0800
From: isaku.yamahata@...el.com
To: kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: isaku.yamahata@...el.com,
	isaku.yamahata@...il.com,
	Paolo Bonzini <pbonzini@...hat.com>,
	erdemaktas@...gle.com,
	Sean Christopherson <seanjc@...gle.com>,
	Sagi Shahar <sagis@...gle.com>,
	Kai Huang <kai.huang@...el.com>,
	chen.bo@...el.com,
	hang.yuan@...el.com,
	tina.zhang@...el.com
Subject: [PATCH v18 011/121] [MARKER] The start of TDX KVM patch series: TDX architectural definitions

From: Isaku Yamahata <isaku.yamahata@...el.com>

This empty commit is to mark the start of patch series of TDX architectural
definitions.

Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>
---
 Documentation/virt/kvm/index.rst              |  2 ++
 .../virt/kvm/intel-tdx-layer-status.rst       | 29 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 Documentation/virt/kvm/intel-tdx-layer-status.rst

diff --git a/Documentation/virt/kvm/index.rst b/Documentation/virt/kvm/index.rst
index ad13ec55ddfe..ccff56dca2b1 100644
--- a/Documentation/virt/kvm/index.rst
+++ b/Documentation/virt/kvm/index.rst
@@ -19,3 +19,5 @@ KVM
    vcpu-requests
    halt-polling
    review-checklist
+
+   intel-tdx-layer-status
diff --git a/Documentation/virt/kvm/intel-tdx-layer-status.rst b/Documentation/virt/kvm/intel-tdx-layer-status.rst
new file mode 100644
index 000000000000..f11ea701dc19
--- /dev/null
+++ b/Documentation/virt/kvm/intel-tdx-layer-status.rst
@@ -0,0 +1,29 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
+Intel Trust Dodmain Extensions(TDX)
+===================================
+
+Layer status
+============
+What qemu can do
+----------------
+- TDX VM TYPE is exposed to Qemu.
+- Qemu can try to create VM of TDX VM type and then fails.
+
+Patch Layer status
+------------------
+  Patch layer                          Status
+
+* TDX, VMX coexistence:                 Applied
+* TDX architectural definitions:        Applying
+* TD VM creation/destruction:           Not yet
+* TD vcpu creation/destruction:         Not yet
+* TDX EPT violation:                    Not yet
+* TD finalization:                      Not yet
+* TD vcpu enter/exit:                   Not yet
+* TD vcpu interrupts/exit/hypercall:    Not yet
+
+* KVM MMU GPA shared bits:              Not yet
+* KVM TDP refactoring for TDX:          Not yet
+* KVM TDP MMU hooks:                    Not yet
-- 
2.25.1