[03/18] KVM: x86: Add a VM type define for TDX

Message ID	20241213195711.316050-4-pbonzini@redhat.com (mailing list archive)
State	New
Headers	show Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 558131EBA07 for <kvm@vger.kernel.org>; Fri, 13 Dec 2024 19:57:24 +0000 (UTC) From: Paolo Bonzini <pbonzini@redhat.com> To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: yan.y.zhao@intel.com, isaku.yamahata@intel.com, binbin.wu@linux.intel.com, rick.p.edgecombe@intel.com Subject: [PATCH 03/18] KVM: x86: Add a VM type define for TDX Date: Fri, 13 Dec 2024 14:56:56 -0500 Message-ID: <20241213195711.316050-4-pbonzini@redhat.com> In-Reply-To: <20241213195711.316050-1-pbonzini@redhat.com> References: <20241213195711.316050-1-pbonzini@redhat.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit
Series	TDX MMU prep series part 1 \| expand [v5,00/18] TDX MMU prep series part 1 [01/18] KVM: x86/mmu: Zap invalid roots with mmu_lock holding for write at uninit [02/18] KVM: Add member to struct kvm_gfn_range for target alias [03/18] KVM: x86: Add a VM type define for TDX [04/18] KVM: x86/mmu: Add an external pointer to struct kvm_mmu_page [05/18] KVM: x86/mmu: Add an is_mirror member for union kvm_mmu_page_role [06/18] KVM: x86/mmu: Make kvm_tdp_mmu_alloc_root() return void [07/18] KVM: x86/tdp_mmu: Take struct kvm in iter loops [08/18] KVM: x86/mmu: Support GFN direct bits [09/18] KVM: x86/tdp_mmu: Extract root invalid check from tdx_mmu_next_root() [10/18] KVM: x86/tdp_mmu: Introduce KVM MMU root types to specify page table type [11/18] KVM: x86/tdp_mmu: Take root in tdp_mmu_for_each_pte() [12/18] KVM: x86/tdp_mmu: Support mirror root for TDP MMU [13/18] KVM: x86/tdp_mmu: Propagate attr_filter to MMU notifier callbacks [14/18] KVM: x86/tdp_mmu: Propagate building mirror page tables [15/18] KVM: x86/tdp_mmu: Propagate tearing down mirror page tables [16/18] KVM: x86/tdp_mmu: Take root types for kvm_tdp_mmu_invalidate_all_roots() [17/18] KVM: x86/tdp_mmu: Don't zap valid mirror roots in kvm_tdp_mmu_zap_all() [18/18] KVM: x86/mmu: Prevent aliased memslot GFNs

Message ID

20241213195711.316050-4-pbonzini@redhat.com (mailing list archive)

State

New

Headers

From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Cc: yan.y.zhao@intel.com,
	isaku.yamahata@intel.com,
	binbin.wu@linux.intel.com,
	rick.p.edgecombe@intel.com
Subject: [PATCH 03/18] KVM: x86: Add a VM type define for TDX
Date: Fri, 13 Dec 2024 14:56:56 -0500
Message-ID: <20241213195711.316050-4-pbonzini@redhat.com>
In-Reply-To: <20241213195711.316050-1-pbonzini@redhat.com>
References: <20241213195711.316050-1-pbonzini@redhat.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain
Content-Transfer-Encoding: 8bit

Series

TDX MMU prep series part 1 | expand

Commit Message

Paolo Bonzini Dec. 13, 2024, 7:56 p.m. UTC

From: Rick Edgecombe <rick.p.edgecombe@intel.com>

Add a VM type define for TDX.

Future changes will need to lay the ground work for TDX support by
making some behavior conditional on the VM being a TDX guest.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Message-ID: <20240718211230.1492011-4-rick.p.edgecombe@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 arch/x86/include/uapi/asm/kvm.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 88585c1de416..9e75da97bce0 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -925,5 +925,6 @@  struct kvm_hyperv_eventfd {
 #define KVM_X86_SEV_VM		2
 #define KVM_X86_SEV_ES_VM	3
 #define KVM_X86_SNP_VM		4
+#define KVM_X86_TDX_VM		5
 
 #endif /* _ASM_X86_KVM_H */

[03/18] KVM: x86: Add a VM type define for TDX

Commit Message

Patch