From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "jgg@nvidia.com" <jgg@nvidia.com>
Cc: "Li, Xiaoyao" <xiaoyao.li@intel.com>,
"linux-coco@lists.linux.dev" <linux-coco@lists.linux.dev>,
"Hansen, Dave" <dave.hansen@intel.com>,
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"kas@kernel.org" <kas@kernel.org>,
"seanjc@google.com" <seanjc@google.com>,
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"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
"Verma, Vishal L" <vishal.l.verma@intel.com>,
"aneesh.kumar@kernel.org" <aneesh.kumar@kernel.org>,
"Peng, Chao P" <chao.p.peng@intel.com>,
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"tglx@kernel.org" <tglx@kernel.org>,
"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
"Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
"bp@alien8.de" <bp@alien8.de>, "Gao, Chao" <chao.gao@intel.com>,
"aik@amd.com" <aik@amd.com>,
"yilun.xu@linux.intel.com" <yilun.xu@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>
Subject: Re: [RFC PATCH 09/15] virt: tdx-guest: Capture the TDI report during device lock
Date: Tue, 3 Nov 2026 21:11:19 +0000 [thread overview]
Message-ID: <83ed5ad706f73c2209a2bac3fa8d07969b8bae45.camel@intel.com> (raw)
In-Reply-To: <20261103012647.GE274202@nvidia.com>
On Mon, 2026-11-02 at 21:26 -0400, Jason Gunthorpe wrote:
> > So to get the x86 acks on these patches, we were going to package them up
> > into
> > small chunks that do something small (see PATCH Organization section of
> > coverletter). So we can succinctly show what the TSM subsystem needs, and
> > how
> > the wrappers are designed for that.
>
> I think the lock/unlock is possibly pretty straightforward
>
> I feel the viommu design is coming together well and is looking like
> it will go once the three arches agree.
>
> Anything to do with SPDM seems like it will need alot of work to get
> the right shared code and flows together, I would be careful trying to
> prefetch that too much.
>
> Maybe that helps guide what could go first along with drivers?
>
>
Yea. I think we will probably want to see more settled on the TSM side before
asking for an ack on those. But there are things to work through before then.
next prev parent reply other threads:[~2026-11-03 21:11 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 4:10 [RFC PATCH 00/15] PCI/TSM: coco/tdx-guest: Implement TDX-Connect PCIe TDISP (phase2) Zhenzhong Duan
2026-09-24 4:10 ` [RFC PATCH 01/15] x86/tdx: Export tdg_vm_rd() for tdx-guest module Zhenzhong Duan
2026-09-30 22:13 ` Peter Fang
2026-10-01 12:38 ` Xu Yilun
2026-10-08 6:45 ` Duan, Zhenzhong
2026-10-08 16:30 ` Edgecombe, Rick P
2026-09-24 4:10 ` [RFC PATCH 02/15] x86/tdx: Add TDCM hypercall wrapper for TDX Connect Zhenzhong Duan
2026-10-13 14:34 ` Nikolay Borisov
2026-10-14 6:19 ` Duan, Zhenzhong
2026-10-14 6:27 ` Nikolay Borisov
2026-10-14 7:22 ` Duan, Zhenzhong
2026-10-26 0:33 ` Xiaoyao Li
2026-10-27 3:28 ` Duan, Zhenzhong
2026-10-27 5:49 ` Xiaoyao Li
2026-10-27 6:08 ` Duan, Zhenzhong
2026-10-29 2:15 ` Xiaoyao Li
2026-10-29 7:34 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 03/15] x86/tdx: Add TDG.TDI.RD module call " Zhenzhong Duan
2026-09-25 0:06 ` Edgecombe, Rick P
2026-10-08 6:27 ` Duan, Zhenzhong
2026-10-08 16:42 ` Edgecombe, Rick P
2026-10-09 2:28 ` Duan, Zhenzhong
2026-10-26 0:51 ` Xiaoyao Li
2026-10-27 6:22 ` Duan, Zhenzhong
2026-11-02 21:07 ` Edgecombe, Rick P
2026-11-03 13:11 ` Duan, Zhenzhong
2026-11-03 21:04 ` Edgecombe, Rick P
2026-09-24 4:10 ` [RFC PATCH 04/15] virt: tdx-guest: Support devsec TSM for secure devices Zhenzhong Duan
2026-10-15 13:42 ` Xu Yilun
2026-10-16 6:42 ` Duan, Zhenzhong
2026-10-26 1:12 ` Xiaoyao Li
2026-10-27 7:20 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 05/15] virt: tdx-guest: Add TDCM helpers and TEE-IO support check Zhenzhong Duan
2026-10-13 14:31 ` Nikolay Borisov
2026-10-14 6:11 ` Duan, Zhenzhong
2026-10-26 1:26 ` Xiaoyao Li
2026-10-26 7:13 ` Nikolay Borisov
2026-10-28 5:42 ` Duan, Zhenzhong
2026-10-28 6:51 ` Nikolay Borisov
2026-10-14 12:52 ` Nikolay Borisov
2026-10-15 6:24 ` Duan, Zhenzhong
2026-10-26 2:06 ` Xiaoyao Li
2026-10-27 8:32 ` Duan, Zhenzhong
2026-10-29 2:27 ` Xiaoyao Li
2026-09-24 4:10 ` [RFC PATCH 06/15] virt: tdx-guest: Support TDI bind and unbind operations Zhenzhong Duan
2026-10-13 12:10 ` Nikolay Borisov
2026-10-14 3:06 ` Duan, Zhenzhong
2026-10-14 6:32 ` Nikolay Borisov
2026-10-14 7:33 ` Duan, Zhenzhong
2026-10-17 18:38 ` Nikolay Borisov
2026-10-19 2:16 ` Duan, Zhenzhong
2026-10-26 2:32 ` Xiaoyao Li
2026-10-27 8:58 ` Duan, Zhenzhong
2026-10-29 2:38 ` Xiaoyao Li
2026-10-29 7:42 ` Duan, Zhenzhong
2026-10-29 3:26 ` Duan, Zhenzhong
2026-11-02 21:11 ` Edgecombe, Rick P
2026-11-03 8:49 ` Duan, Zhenzhong
2026-11-03 21:07 ` Edgecombe, Rick P
2026-10-26 2:38 ` Xiaoyao Li
2026-10-27 10:14 ` Duan, Zhenzhong
2026-11-02 21:15 ` Edgecombe, Rick P
2026-11-03 6:02 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 07/15] PCI/TSM: Track Device Interface Report MMIO range index Zhenzhong Duan
2026-10-26 2:45 ` Xiaoyao Li
2026-10-27 9:11 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 08/15] x86/tdx: Add TDG.MMIO.ACCEPT module call wrapper for TDX Connect Zhenzhong Duan
2026-09-24 23:41 ` Edgecombe, Rick P
2026-09-25 0:02 ` Edgecombe, Rick P
2026-10-08 6:01 ` Duan, Zhenzhong
2026-10-08 16:47 ` Edgecombe, Rick P
2026-10-08 5:49 ` Duan, Zhenzhong
2026-10-08 16:44 ` Edgecombe, Rick P
2026-10-09 2:16 ` Duan, Zhenzhong
2026-11-03 7:48 ` Xiaoyao Li
2026-09-24 4:10 ` [RFC PATCH 09/15] virt: tdx-guest: Capture the TDI report during device lock Zhenzhong Duan
2026-10-26 5:04 ` Xiaoyao Li
2026-10-28 3:23 ` Duan, Zhenzhong
2026-11-02 21:19 ` Edgecombe, Rick P
2026-11-03 0:36 ` Jason Gunthorpe
2026-11-03 0:48 ` Edgecombe, Rick P
2026-11-03 1:26 ` Jason Gunthorpe
2026-11-03 21:11 ` Edgecombe, Rick P [this message]
2026-09-24 4:10 ` [RFC PATCH 10/15] virt: tdx-guest: Set up and accept private MMIO ranges Zhenzhong Duan
2026-10-26 5:22 ` Xiaoyao Li
2026-10-28 3:32 ` Duan, Zhenzhong
2026-10-29 2:44 ` Xiaoyao Li
2026-10-29 9:56 ` Duan, Zhenzhong
2026-11-02 22:38 ` Edgecombe, Rick P
2026-09-24 4:10 ` [RFC PATCH 11/15] x86/tdx: Add TDG.TDI.START module call wrapper for TDX Connect Zhenzhong Duan
2026-09-24 4:10 ` [RFC PATCH 12/15] virt: tdx-guest: Support Trust Device Interface (TDI) activation Zhenzhong Duan
2026-10-26 7:19 ` Xiaoyao Li
2026-10-28 6:44 ` Duan, Zhenzhong
2026-10-28 12:41 ` Jason Gunthorpe
2026-10-29 2:24 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 13/15] x86/tdx: Add __tdcall_saved() helper Zhenzhong Duan
2026-10-26 7:35 ` Xiaoyao Li
2026-09-24 4:10 ` [RFC PATCH 14/15] x86/tdx: Add TDG.DMAR.ACCEPT module call wrapper for TDX Connect Zhenzhong Duan
2026-10-26 7:39 ` Xiaoyao Li
2026-10-28 5:57 ` Duan, Zhenzhong
2026-09-24 4:10 ` [RFC PATCH 15/15] virt: tdx-guest: Accept default DMAR entry during PCI driver attach Zhenzhong Duan
2026-10-26 7:49 ` Xiaoyao Li
2026-10-26 12:02 ` Jason Gunthorpe
2026-10-28 9:39 ` Xu Yilun
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