linux-kernel - [PATCH v2 19/20] KVM: TDX: Make TDX VM type supported

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Message-ID: <20250227012021.1778144-20-binbin.wu@linux.intel.com>
Date: Thu, 27 Feb 2025 09:20:20 +0800
From: Binbin Wu <binbin.wu@...ux.intel.com>
To: pbonzini@...hat.com,
	seanjc@...gle.com,
	kvm@...r.kernel.org
Cc: rick.p.edgecombe@...el.com,
	kai.huang@...el.com,
	adrian.hunter@...el.com,
	reinette.chatre@...el.com,
	xiaoyao.li@...el.com,
	tony.lindgren@...el.com,
	isaku.yamahata@...el.com,
	yan.y.zhao@...el.com,
	chao.gao@...el.com,
	linux-kernel@...r.kernel.org,
	binbin.wu@...ux.intel.com
Subject: [PATCH v2 19/20] KVM: TDX: Make TDX VM type supported

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

Now all the necessary code for TDX is in place, it's ready to run TDX
guest.  Advertise the VM type of KVM_X86_TDX_VM so that the user space
VMM like QEMU can start to use it.

Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>
Signed-off-by: Binbin Wu <binbin.wu@...ux.intel.com>
---
TDX "the rest" v2:
- No change.

TDX "the rest" v1:
- Move down to the end of patch series.
---
 arch/x86/kvm/vmx/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
index fa8b5f609666..320c96e1e80a 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -1092,6 +1092,7 @@ static int __init vt_init(void)
 		vcpu_align = max_t(unsigned, vcpu_align,
 				__alignof__(struct vcpu_tdx));
 		kvm_caps.supported_quirks &= ~KVM_X86_QUIRK_EPT_IGNORE_GUEST_PAT;
+		kvm_caps.supported_vm_types |= BIT(KVM_X86_TDX_VM);
 	}
 
 	/*
-- 
2.46.0