From: Alexey Kardashevskiy <aik@amd.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Xu Yilun <yilun.xu@linux.intel.com>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-coco@lists.linux.dev, linux-pci@vger.kernel.org,
gregkh@linuxfoundation.org, bhelgaas@google.com,
alistair23@gmail.com, lukas@wunner.de,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v2 09/19] PCI/TSM: Support creating encrypted MMIO descriptors via TDISP Report
Date: Fri, 3 Apr 2026 23:41:25 +1100 [thread overview]
Message-ID: <46de1d41-a660-460c-a49f-ae2d2ad7afe1@amd.com> (raw)
In-Reply-To: <20260330114902.GA310919@nvidia.com>
On 30/3/26 22:49, Jason Gunthorpe wrote:
> On Mon, Mar 30, 2026 at 04:47:44PM +1100, Alexey Kardashevskiy wrote:
>
>> What do I miss? Thanks,
>
> You can't tell where things start so there is no way to relate the
> offsets to something the kernel can understand.
Reported ranges have BAR indexes and start addresses (with the reported MMIO offset added), and the first reported range starts at the first 4K of that BAR. And these ranges are in sorted order. Enough to calculate an offset of a 2nd/3rd/... range of that BAR, and this is what I am after.
--
Alexey
next prev parent reply other threads:[~2026-04-03 12:41 UTC|newest]
Thread overview: 90+ 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
2026-03-03 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
2026-03-03 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
2026-03-16 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 [this message]
2026-04-03 14:08 ` Jason Gunthorpe
2026-04-06 22:08 ` Alexey Kardashevskiy
2026-04-06 22:21 ` 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
2026-03-03 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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