From: Jason Gunthorpe <jgg@ziepe.ca>
To: Alexey Kardashevskiy <aik@amd.com>
Cc: linux-coco@lists.linux.dev, linux-pci@vger.kernel.org,
driver-core@lists.linux.dev, ankita@nvidia.com,
Aaron Tomlin <atomlin@atomlin.com>,
Alistair Francis <alistair.francis@wdc.com>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Bjorn Helgaas <bhelgaas@google.com>,
Daniel Gomez <da.gomez@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
Dexuan Cui <decui@microsoft.com>,
Donald Hunter <donald.hunter@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jakub Kicinski <kuba@kernel.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Lukas Wunner <lukas@wunner.de>, Petr Pavlu <petr.pavlu@suse.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Sami Tolvanen <samitolvanen@google.com>,
Samuel Ortiz <sameo@rivosinc.com>,
Saravana Kannan <saravanak@google.com>,
Will Deacon <will@kernel.org>,
Xu Yilun <yilun.xu@linux.intel.com>,
"Fontenot, Nathan" <Nathan.Fontenot@amd.com>
Subject: Re: [PATCH 00/15] Device Evidence and Trust for PCI Security Protocol (TDISP)
Date: Tue, 28 Jul 2026 20:29:35 -0300 [thread overview]
Message-ID: <amk7Xzm5jmz+6SPJ@ziepe.ca> (raw)
In-Reply-To: <4c43da3e-c598-48cf-8491-cb958e574c9c@amd.com>
On Tue, Jul 28, 2026 at 06:20:10PM +1000, Alexey Kardashevskiy wrote:
> On 6/7/26 08:08, Dan Williams wrote:
> > Major changes since: "[PATCH v2 00/19] PCI/TSM: TEE I/O infrastructure" [1]
>
> soo with the recent sudden sad news about Dan, I do not know where to start really so I just start...
>
> Here is his unfinished work which I'd really like to see finished to
> progress with the phase2 of the plan. How do we proceed from now on?
Yes, we do, but at least I need some more time before considering what
to do, sorry.
> The direction appears to be set, imho the immediate TODO list is:
> - address "not-netlink-y enough" concerns
> - teach pci_iomap() to map mixed private+shared BARs (ones which contain MSIX for the starter)
> - always call pci_tsm_ops::enable_dma/disable_dma
> - ditch the module trust parameter?
> - add a knob to enable/disable DMA and keep TDI in RUN
I somehow suspect we should probably reduce the scope somewhat into
smaller chunks at a time and try to follow this as a skeleton, but I
haven't studied it carefully.
Jason
next prev parent reply other threads:[~2026-07-28 23:29 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-05 22:08 [PATCH 00/15] Device Evidence and Trust for PCI Security Protocol (TDISP) Dan Williams
2026-07-05 22:08 ` [PATCH 01/15] netlink: specs: Introduce multi-message blobs for SPDM Dan Williams
2026-07-05 22:13 ` sashiko-bot
2026-07-08 11:13 ` Donald Hunter
2026-07-11 1:43 ` Dan Williams (nvidia)
2026-07-08 13:23 ` Donald Hunter
2026-07-22 1:20 ` Jakub Kicinski
2026-08-02 17:58 ` Ankit Agrawal
2026-08-03 16:35 ` Jakub Kicinski
2026-07-05 22:08 ` [PATCH 02/15] tools: ynl: Teach pyynl to handle blobs Dan Williams
2026-07-05 22:18 ` sashiko-bot
2026-07-08 13:48 ` Donald Hunter
2026-07-05 22:08 ` [PATCH 03/15] tools: ynl: Teach ynl_gen_c to validate and dump 'blob' attributes Dan Williams
2026-07-05 22:20 ` sashiko-bot
2026-07-05 22:08 ` [PATCH 04/15] device core: Introduce "device evidence" over netlink Dan Williams
2026-07-05 22:20 ` sashiko-bot
2026-07-08 13:22 ` Donald Hunter
2026-07-05 22:08 ` [PATCH 05/15] device core: Add "device evidence" 'validate' command Dan Williams
2026-07-05 22:26 ` sashiko-bot
2026-07-05 22:08 ` [PATCH 06/15] PCI/TSM: Add device evidence support Dan Williams
2026-07-05 22:16 ` sashiko-bot
2026-07-08 5:00 ` Alexey Kardashevskiy
2026-07-08 18:25 ` Dan Williams (nvidia)
2026-07-05 22:08 ` [PATCH 07/15] modules: Document the global async_probe parameter Dan Williams
2026-07-05 22:15 ` sashiko-bot
2026-07-17 13:44 ` Nikolay Borisov
2026-07-05 22:08 ` [PATCH 08/15] device core: Initial device trust infrastructure Dan Williams
2026-07-05 22:17 ` sashiko-bot
2026-07-06 13:45 ` Jason Gunthorpe
2026-07-05 22:08 ` [PATCH 09/15] PCI, device core: Move "untrusted" concept to DEVICE_TRUST_ADVERSARY Dan Williams
2026-07-05 22:25 ` sashiko-bot
2026-07-06 13:49 ` Jason Gunthorpe
2026-07-07 13:04 ` Robin Murphy
2026-07-05 22:08 ` [PATCH 10/15] PCI/TSM: Add device interface security LOCKED support Dan Williams
2026-07-05 22:25 ` sashiko-bot
2026-07-05 22:08 ` [PATCH 11/15] PCI/TSM: Add device interface security RUN support Dan Williams
2026-07-05 22:21 ` sashiko-bot
2026-07-05 22:08 ` [PATCH 12/15] PCI/TSM: Add device interface security DMA enable/disable Dan Williams
2026-07-05 22:25 ` sashiko-bot
2026-07-05 22:08 ` [PATCH 13/15] PCI, device core: Add private memory access for DEVICE_TRUST_TCB Dan Williams
2026-07-05 22:28 ` sashiko-bot
2026-07-06 12:42 ` Aneesh Kumar K.V
2026-07-08 18:06 ` Dan Williams (nvidia)
2026-07-08 18:10 ` Aneesh Kumar K.V
2026-07-09 6:32 ` Alexey Kardashevskiy
2026-07-09 7:38 ` Alexey Kardashevskiy
2026-07-05 22:08 ` [PATCH 14/15] PCI/TSM: Create MMIO descriptors via TDISP Report Dan Williams
2026-07-05 22:24 ` sashiko-bot
2026-07-08 9:49 ` Alexey Kardashevskiy
2026-07-05 22:08 ` [PATCH 15/15] PCI/TSM: Add relative MMIO offset support? Dan Williams
2026-07-05 22:25 ` sashiko-bot
2026-07-08 2:25 ` Alexey Kardashevskiy
2026-07-08 18:05 ` Dan Williams (nvidia)
2026-07-06 12:51 ` [PATCH 00/15] Device Evidence and Trust for PCI Security Protocol (TDISP) Jason Gunthorpe
2026-07-06 20:55 ` Dan Williams (nvidia)
2026-07-07 12:43 ` Jason Gunthorpe
2026-07-08 0:12 ` Dan Williams (nvidia)
2026-07-08 14:31 ` Jason Gunthorpe
2026-07-09 2:45 ` Dan Williams (nvidia)
2026-07-09 13:36 ` Jason Gunthorpe
2026-07-15 9:04 ` Alexey Kardashevskiy
2026-07-16 18:51 ` Jason Gunthorpe
2026-07-28 8:20 ` Alexey Kardashevskiy
2026-07-28 23:29 ` Jason Gunthorpe [this message]
2026-08-04 1:48 ` Xu Yilun
2026-07-29 1:57 ` Ankit Agrawal
2026-08-02 18:12 ` Ankit Agrawal
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