From: Jonathan Cameron <jonathan.cameron@huawei.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: <linux-coco@lists.linux.dev>, <linux-pci@vger.kernel.org>,
<xin@zytor.com>, <chao.gao@intel.com>,
Zhenzhong Duan <zhenzhong.duan@intel.com>,
Xu Yilun <yilun.xu@linux.intel.com>
Subject: Re: [RFC PATCH 19/27] coco/tdx-host: Add a helper to exchange SPDM messages through DOE
Date: Thu, 30 Oct 2025 11:15:55 +0000 [thread overview]
Message-ID: <20251030111555.00000d8f@huawei.com> (raw)
In-Reply-To: <20250919142237.418648-20-dan.j.williams@intel.com>
On Fri, 19 Sep 2025 07:22:28 -0700
Dan Williams <dan.j.williams@intel.com> wrote:
> From: Zhenzhong Duan <zhenzhong.duan@intel.com>
>
> TDX host uses this function to exchange TDX Module encrypted data with
> devices via SPDM. It is unfortunate that TDX passes raw DOE frames with
> headers included and the PCI DOE core wants payloads separated from
> headers.
>
> This conversion code is about the same amount of work as teaching the PCI
> DOE driver to support raw frames. Unless and until another raw frame use
> case shows up, just do this conversion in the TDX TSM driver.
>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Co-developed-by: Xu Yilun <yilun.xu@linux.intel.com>
> Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
LGTM and finally a bit I know enough about for a tag to make sense :)
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
next prev parent reply other threads:[~2025-10-30 11:15 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-19 14:22 [RFC PATCH 00/27] PCI/TSM: TDX Connect: SPDM Session and IDE Establishment Dan Williams
2025-09-19 14:22 ` [RFC PATCH 01/27] coco/tdx-host: Introduce a "tdx_host" device Dan Williams
2025-10-30 10:16 ` Jonathan Cameron
2025-11-03 23:01 ` dan.j.williams
2025-09-19 14:22 ` [RFC PATCH 02/27] x86/virt/tdx: Move bit definitions of TDX_FEATURES0 to public header Dan Williams
2025-09-19 14:22 ` [RFC PATCH 03/27] coco/tdx-host: Support Link TSM for TDX host Dan Williams
2025-10-30 10:31 ` Jonathan Cameron
2025-11-03 23:04 ` dan.j.williams
2025-09-19 14:22 ` [RFC PATCH 04/27] x86/virt/tdx: Move tdx_errno.h from KVM to public place Dan Williams
2025-09-22 11:47 ` Huang, Kai
2025-09-19 14:22 ` [RFC PATCH 05/27] x86/virt/tdx: Add tdx_page_array helpers for new TDX Module objects Dan Williams
2025-10-30 10:49 ` Jonathan Cameron
2025-11-03 23:17 ` dan.j.williams
2025-09-19 14:22 ` [RFC PATCH 06/27] x86/virt/tdx: Add SEAMCALL wrappers for TDH.EXT.MEM.ADD and TDH.EXT.INIT Dan Williams
2025-09-19 14:22 ` [RFC PATCH 07/27] TODO: x86/virt/tdx: Read TDX global metadata for TDX Module Extensions Dan Williams
2025-09-19 14:22 ` [RFC PATCH 08/27] x86/virt/tdx: Add tdx_enable_ext() to enable of " Dan Williams
2025-10-30 10:55 ` Jonathan Cameron
2025-11-05 9:14 ` Xu Yilun
2025-09-19 14:22 ` [RFC PATCH 09/27] ACPICA: Add KEYP table definitions Dan Williams
2025-10-06 14:41 ` Samuel Ortiz
2025-10-10 7:35 ` Xu Yilun
2025-09-19 14:22 ` [RFC PATCH 10/27] acpi: Add KEYP support to fw_table parsing Dan Williams
2025-09-19 14:22 ` [RFC PATCH 11/27] acpi: Add KEYP Key Configuration Unit parsing Dan Williams
2025-10-30 11:02 ` Jonathan Cameron
2025-11-05 10:18 ` Xu Yilun
2025-09-19 14:22 ` [RFC PATCH 12/27] iommu/vt-d: Cache max domain ID to avoid redundant calculation Dan Williams
2025-09-19 14:22 ` [RFC PATCH 13/27] iommu/vt-d: Reserve the MSB domain ID bit for the TDX module Dan Williams
2025-09-19 14:22 ` [RFC PATCH 14/27] TODO: x86/virt/tdx: Read TDX Connect global metadata for TDX Connect Dan Williams
2025-09-19 14:22 ` [RFC PATCH 15/27] x86/virt/tdx: Extend tdx_page_array to support IOMMU_MT Dan Williams
2025-10-30 11:07 ` Jonathan Cameron
2025-09-19 14:22 ` [RFC PATCH 16/27] x86/virt/tdx: Add SEAMCALL wrappers for trusted IOMMU setup and clear Dan Williams
2025-09-19 14:22 ` [RFC PATCH 17/27] iommu/vt-d: Export a helper to do function for each dmar_drhd_unit Dan Williams
2025-09-19 14:22 ` [RFC PATCH 18/27] coco/tdx-host: Setup all trusted IOMMUs on TDX Connect init Dan Williams
2025-10-30 11:09 ` Jonathan Cameron
2025-09-19 14:22 ` [RFC PATCH 19/27] coco/tdx-host: Add a helper to exchange SPDM messages through DOE Dan Williams
2025-10-30 11:15 ` Jonathan Cameron [this message]
2025-09-19 14:22 ` [RFC PATCH 20/27] coco/tdx-host: Add connect()/disconnect() handlers prototype Dan Williams
2025-10-30 11:20 ` Jonathan Cameron
2025-11-03 23:34 ` dan.j.williams
2025-11-06 5:18 ` Xu Yilun
2025-11-10 11:45 ` Jonathan Cameron
2025-11-11 0:51 ` dan.j.williams
2025-11-13 2:51 ` Xu Yilun
2025-11-14 20:19 ` dan.j.williams
2025-11-17 4:56 ` Xu Yilun
2025-09-19 14:22 ` [RFC PATCH 21/27] x86/virt/tdx: Add SEAMCALL wrappers for SPDM management Dan Williams
2025-10-30 11:24 ` Jonathan Cameron
2025-11-03 23:38 ` dan.j.williams
2025-09-19 14:22 ` [RFC PATCH 22/27] coco/tdx-host: Implement SPDM session setup Dan Williams
2025-10-30 11:36 ` Jonathan Cameron
2025-11-06 7:35 ` Xu Yilun
2025-09-19 14:22 ` [RFC PATCH 23/27] PCI: iov: Export pci_iov_virtfn_bus() Dan Williams
2025-09-19 14:22 ` [RFC PATCH 24/27] PCI/IDE: Add helpers for RID/Addr Association Registers setup Dan Williams
2025-09-19 14:22 ` [RFC PATCH 25/27] PCI/IDE: Export pci_ide_domain() Dan Williams
2025-09-19 14:22 ` [RFC PATCH 26/27] x86/virt/tdx: Add SEAMCALL wrappers for IDE stream management Dan Williams
2025-10-30 11:37 ` Jonathan Cameron
2025-09-19 14:22 ` [RFC PATCH 27/27] coco/tdx-host: Implement IDE stream setup/teardown Dan Williams
2025-10-30 11:43 ` Jonathan Cameron
2025-11-04 0:13 ` dan.j.williams
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