From: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
To: Dan Williams <dan.j.williams@intel.com>,
Lukas Wunner <lukas@wunner.de>,
Dan Williams <dan.j.williams@intel.com>
Cc: linux-coco@lists.linux.dev, linux-pci@vger.kernel.org,
gregkh@linuxfoundation.org, aik@amd.com,
yilun.xu@linux.intel.com, bhelgaas@google.com,
alistair23@gmail.com, jgg@nvidia.com,
Donald Hunter <donald.hunter@gmail.com>,
Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH v2 08/19] PCI/TSM: Add "evidence" support
Date: Fri, 24 Apr 2026 15:45:17 +0530 [thread overview]
Message-ID: <yq5a340koea2.fsf@kernel.org> (raw)
In-Reply-To: <69ba57199b38b_7ee31005c@dwillia2-mobl4.notmuch>
Dan Williams <dan.j.williams@intel.com> writes:
> The ARM CCA spec does reference the EAT nonce which is 64-bytes. So it
> may be the case that PCI_TSM_MAX_NONCE_SIZE != SPDM_NONCE_SZ depending
> on what evidence can be collected over this interface, but I am not
> finding any spec references for 256, Aneesh?
That was probably me getting confused about 256 bits in an earlier
version of the code. Also, the RmiVdevMeasureParams structure layout
adds 256 bytes of padding between the different fields.
-aneesh
next prev parent reply other threads:[~2026-04-24 10:15 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-03 0:01 [PATCH v2 00/19] PCI/TSM: TEE I/O infrastructure Dan Williams
2026-03-03 0:01 ` [PATCH v2 01/19] PCI/TSM: Report active IDE streams per host bridge Dan Williams
2026-03-09 16:36 ` Jonathan Cameron
2026-04-07 16:02 ` Xu Yilun
2026-03-03 0:01 ` [PATCH v2 02/19] device core: Fix kernel-doc warnings in base.h Dan Williams
2026-03-09 16:39 ` Jonathan Cameron
2026-03-12 14:45 ` Greg KH
2026-03-03 0:01 ` [PATCH v2 03/19] device core: Introduce confidential device acceptance Dan Williams
2026-03-09 16:42 ` Jonathan Cameron
2026-03-12 14:44 ` Greg KH
2026-03-13 4:11 ` Dan Williams
2026-03-13 12:18 ` Greg KH
2026-03-13 18:53 ` Dan Williams
2026-03-13 19:07 ` Jason Gunthorpe
2026-03-13 13:32 ` Jason Gunthorpe
2026-03-13 19:56 ` Dan Williams
2026-03-13 20:24 ` Jason Gunthorpe
2026-03-14 1:32 ` Dan Williams
2026-03-23 18:14 ` Jason Gunthorpe
2026-03-24 2:18 ` Dan Williams
2026-03-24 12:36 ` Jason Gunthorpe
2026-03-25 4:13 ` Dan Williams
2026-03-25 11:56 ` Jason Gunthorpe
2026-03-26 1:27 ` Dan Williams
2026-03-26 12:00 ` Jason Gunthorpe
2026-03-26 15:00 ` Greg KH
2026-03-26 18:31 ` Dan Williams
2026-03-26 19:28 ` Jason Gunthorpe
2026-03-03 0:01 ` [PATCH v2 04/19] modules: Document the global async_probe parameter Dan Williams
2026-03-03 0:01 ` [PATCH v2 05/19] device core: Autoprobe considered harmful? Dan Williams
2026-03-09 16:58 ` Jonathan Cameron
2026-03-03 0:01 ` [PATCH v2 06/19] PCI/TSM: Add Device Security (TVM Guest) LOCK operation support Dan Williams
2026-03-03 0:01 ` [PATCH v2 07/19] PCI/TSM: Add Device Security (TVM Guest) ACCEPT " Dan Williams
2026-03-03 7:15 ` Baolu Lu
2026-04-10 8:44 ` Lai, Yi
2026-04-10 8:53 ` Lai, Yi
2026-03-03 0:01 ` [PATCH v2 08/19] PCI/TSM: Add "evidence" support Dan Williams
2026-03-03 3:14 ` kernel test robot
2026-03-03 10:16 ` Aneesh Kumar K.V
2026-03-03 16:38 ` Aneesh Kumar K.V
2026-03-13 10:07 ` Xu Yilun
2026-03-13 18:06 ` Dan Williams
2026-03-14 18:12 ` Jakub Kicinski
2026-03-17 1:45 ` Dan Williams
2026-03-19 0:00 ` Jakub Kicinski
2026-03-20 2:50 ` Dan Williams
2026-03-17 18:14 ` Lukas Wunner
2026-03-18 7:56 ` Dan Williams
2026-03-23 18:18 ` Jason Gunthorpe
2026-03-14 18:37 ` Lukas Wunner
2026-03-16 20:13 ` Dan Williams
2026-03-16 23:02 ` Dan Williams
2026-03-17 14:13 ` Lukas Wunner
2026-03-18 7:22 ` Dan Williams
2026-03-17 18:24 ` Lukas Wunner
2026-03-18 7:41 ` Dan Williams
2026-04-24 10:15 ` Aneesh Kumar K.V [this message]
2026-03-03 0:01 ` [PATCH v2 09/19] PCI/TSM: Support creating encrypted MMIO descriptors via TDISP Report Dan Williams
2026-03-04 17:14 ` dan.j.williams
2026-03-13 9:57 ` Xu Yilun
2026-03-05 4:46 ` Aneesh Kumar K.V
2026-03-13 10:23 ` Xu Yilun
2026-03-13 13:36 ` Jason Gunthorpe
2026-03-17 5:13 ` Xu Yilun
2026-03-24 3:26 ` Dan Williams
2026-03-24 12:38 ` Jason Gunthorpe
2026-04-09 7:48 ` Aneesh Kumar K.V
2026-03-16 5:19 ` Alexey Kardashevskiy
2026-03-23 18:20 ` Jason Gunthorpe
2026-03-26 23:38 ` Alexey Kardashevskiy
2026-03-27 11:49 ` Jason Gunthorpe
2026-03-30 5:47 ` Alexey Kardashevskiy
2026-03-30 11:49 ` Jason Gunthorpe
2026-04-03 12:41 ` Alexey Kardashevskiy
2026-04-03 14:08 ` Jason Gunthorpe
2026-04-06 22:08 ` Alexey Kardashevskiy
2026-04-06 22:21 ` Jason Gunthorpe
2026-04-08 7:03 ` Alexey Kardashevskiy
2026-04-08 16:54 ` Jason Gunthorpe
2026-04-08 22:22 ` Alexey Kardashevskiy
2026-04-08 23:56 ` Jason Gunthorpe
2026-03-03 0:01 ` [PATCH v2 10/19] x86, swiotlb: Teach swiotlb to skip "accepted" devices Dan Williams
2026-03-03 9:07 ` Aneesh Kumar K.V
2026-03-13 10:26 ` Xu Yilun
2026-04-09 7:33 ` Aneesh Kumar K.V
2026-03-03 0:01 ` [PATCH v2 11/19] x86, dma: Allow accepted devices to map private memory Dan Williams
2026-03-03 7:36 ` Alexey Kardashevskiy
2026-03-03 0:02 ` [PATCH v2 12/19] x86, ioremap, resource: Support IORES_DESC_ENCRYPTED for encrypted PCI MMIO Dan Williams
2026-03-19 15:34 ` Borislav Petkov
2026-03-03 0:02 ` [PATCH v2 13/19] samples/devsec: Introduce a PCI device-security bus + endpoint sample Dan Williams
2026-03-03 0:02 ` [PATCH v2 14/19] samples/devsec: Add sample IDE establishment Dan Williams
2026-03-03 0:02 ` [PATCH v2 15/19] samples/devsec: Add sample TSM bind and guest_request flows Dan Williams
2026-03-03 0:02 ` [PATCH v2 16/19] samples/devsec: Introduce a "Device Security TSM" sample driver Dan Williams
2026-03-27 8:44 ` Lai, Yi
2026-03-03 0:02 ` [PATCH v2 17/19] tools/testing/devsec: Add a script to exercise samples/devsec/ Dan Williams
2026-03-03 0:02 ` [PATCH v2 18/19] samples/devsec: Add evidence support Dan Williams
2026-03-03 0:02 ` [PATCH v2 19/19] tools/testing/devsec: Add basic evidence retrieval validation Dan Williams
2026-03-03 9:23 ` [PATCH v2 00/19] PCI/TSM: TEE I/O infrastructure Aneesh Kumar K.V
2026-03-03 22:01 ` dan.j.williams
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