From: Lukas Wunner <lukas@wunner.de>
To: "Bowman, Terry" <terry.bowman@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>,
linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org, nifan.cxl@gmail.com,
dave@stgolabs.net, jonathan.cameron@huawei.com,
dave.jiang@intel.com, alison.schofield@intel.com,
vishal.l.verma@intel.com, bhelgaas@google.com,
mahesh@linux.ibm.com, ira.weiny@intel.com, oohall@gmail.com,
Benjamin.Cheatham@amd.com, rrichter@amd.com,
nathan.fontenot@amd.com, Smita.KoralahalliChannabasappa@amd.com,
ming.li@zohomail.com, PradeepVineshReddy.Kodamati@amd.com
Subject: Re: [PATCH v7 04/17] PCI/AER: Modify AER driver logging to report CXL or PCIe bus error type
Date: Wed, 12 Feb 2025 22:17:43 +0100 [thread overview]
Message-ID: <Z60P921qJq6h1Fa5@wunner.de> (raw)
In-Reply-To: <02c5b364-f97a-44de-980f-e16438ec66f8@amd.com>
On Wed, Feb 12, 2025 at 03:08:10PM -0600, Bowman, Terry wrote:
> I found in using is_internal_error() (v5) a USP with fatal UCE will not
> have AER status populated in aer_info structure, only the severity field
> is populated (see aer_get_device_error_info()). The aer_info is not
> populated because concern reading the USP's AER (config space) when
> the upstream link state is invalid. Calling is_internal_error() in this
> case will return false because the uncorrectable internal error (UIE) bit
> is 0 and proceed to treat as a PCIe error.
> How do you want to proceed to handle the UCE protocol error in this case?
Shuai Xue is proposing a solution in this pending patch:
https://lore.kernel.org/r/20250207093500.70885-5-xueshuai@linux.alibaba.com/
next prev parent reply other threads:[~2025-02-12 21:17 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-11 19:24 [PATCH v7 00/17] Enable CXL PCIe port protocol error handling and logging Terry Bowman
2025-02-11 19:24 ` [PATCH v7 01/17] PCI/AER: Introduce 'struct cxl_err_handlers' and add to 'struct pci_driver' Terry Bowman
2025-02-11 20:25 ` Bjorn Helgaas
2025-02-11 20:42 ` Dan Williams
2025-02-11 19:24 ` [PATCH v7 02/17] PCI/AER: Rename AER driver's interfaces to also indicate CXL PCIe Port support Terry Bowman
2025-02-11 20:26 ` Bjorn Helgaas
2025-02-11 20:44 ` Dan Williams
2025-02-11 19:24 ` [PATCH v7 03/17] CXL/PCI: Introduce PCIe helper functions pcie_is_cxl() and pcie_is_cxl_port() Terry Bowman
2025-02-11 20:28 ` Bjorn Helgaas
2025-02-11 20:38 ` Bowman, Terry
2025-02-11 22:33 ` Dan Williams
2025-02-12 19:07 ` Bowman, Terry
2025-02-12 19:51 ` Dan Williams
2025-03-04 19:11 ` Ira Weiny
2025-02-11 19:24 ` [PATCH v7 04/17] PCI/AER: Modify AER driver logging to report CXL or PCIe bus error type Terry Bowman
2025-02-11 20:28 ` Bjorn Helgaas
2025-02-11 23:47 ` Dan Williams
2025-02-12 19:15 ` Bowman, Terry
2025-02-12 19:57 ` Dan Williams
2025-02-12 21:08 ` Bowman, Terry
2025-02-12 21:17 ` Lukas Wunner [this message]
2025-02-11 19:24 ` [PATCH v7 05/17] PCI/AER: Add CXL PCIe Port correctable error support in AER service driver Terry Bowman
2025-02-11 20:28 ` Bjorn Helgaas
2025-02-11 23:58 ` Dan Williams
2025-02-12 21:52 ` Bowman, Terry
2025-02-11 19:24 ` [PATCH v7 06/17] PCI/AER: Add CXL PCIe Port uncorrectable error recovery " Terry Bowman
2025-02-11 20:29 ` Bjorn Helgaas
2025-02-11 21:59 ` Dave Jiang
2025-02-12 0:02 ` Gregory Price
2025-02-12 0:24 ` Dan Williams
2025-02-14 19:36 ` Bowman, Terry
2025-02-14 15:11 ` Jonathan Cameron
2025-02-18 15:43 ` Bowman, Terry
2025-02-14 17:36 ` Fan Ni
2025-02-11 19:24 ` [PATCH v7 07/17] cxl/pci: Map CXL PCIe Root Port and Downstream Switch Port RAS registers Terry Bowman
2025-02-11 22:40 ` Dave Jiang
2025-02-12 1:23 ` Dan Williams
2025-02-13 15:43 ` Bowman, Terry
2025-02-14 21:24 ` Dan Williams
2025-02-14 22:23 ` Bowman, Terry
2025-02-14 22:42 ` Dan Williams
2025-02-12 22:28 ` Alison Schofield
2025-02-12 22:37 ` Bowman, Terry
2025-02-11 19:24 ` [PATCH v7 08/17] cxl/pci: Map CXL PCIe Upstream " Terry Bowman
2025-02-11 23:02 ` Dave Jiang
2025-02-12 2:00 ` Dan Williams
2025-02-14 19:46 ` Bowman, Terry
2025-02-14 21:29 ` Dan Williams
2025-02-14 15:15 ` Jonathan Cameron
2025-02-14 19:50 ` Bowman, Terry
2025-02-11 19:24 ` [PATCH v7 09/17] cxl/pci: Update RAS handler interfaces to also support CXL PCIe Ports Terry Bowman
2025-02-11 23:26 ` Dave Jiang
2025-02-14 15:19 ` Jonathan Cameron
2025-02-11 19:24 ` [PATCH v7 10/17] cxl/pci: Add log message and add type check in existing RAS handlers Terry Bowman
2025-02-11 23:28 ` Dave Jiang
2025-02-12 22:59 ` Dan Williams
2025-02-13 0:08 ` Bowman, Terry
2025-02-14 15:28 ` Jonathan Cameron
2025-02-11 19:24 ` [PATCH v7 11/17] cxl/pci: Change find_cxl_port() to non-static Terry Bowman
2025-02-11 23:42 ` Dave Jiang
2025-02-13 23:15 ` Dan Williams
2025-02-11 19:24 ` [PATCH v7 12/17] cxl/pci: Add error handler for CXL PCIe Port RAS errors Terry Bowman
2025-02-12 0:11 ` Dave Jiang
2025-02-12 16:34 ` Bowman, Terry
2025-02-14 2:18 ` Dan Williams
2025-02-14 21:43 ` Bowman, Terry
2025-02-15 0:20 ` Dan Williams
2025-02-18 15:33 ` Bowman, Terry
2025-02-18 17:15 ` Dan Williams
2025-03-05 0:22 ` Ira Weiny
2025-03-06 13:50 ` Bowman, Terry
2025-03-06 13:50 ` Bowman, Terry
2025-02-11 19:24 ` [PATCH v7 13/17] cxl/pci: Add trace logging " Terry Bowman
2025-02-12 0:11 ` Gregory Price
2025-02-12 0:17 ` Dave Jiang
2025-02-12 0:19 ` Dave Jiang
2025-02-12 16:23 ` Bowman, Terry
2025-02-14 2:21 ` Dan Williams
2025-02-14 15:34 ` Jonathan Cameron
2025-02-11 19:24 ` [PATCH v7 14/17] cxl/pci: Update CXL Port RAS logging to also display PCIe SBDF Terry Bowman
2025-02-12 0:21 ` Dave Jiang
2025-02-12 16:20 ` Bowman, Terry
2025-02-12 23:30 ` Alison Schofield
2025-02-12 23:34 ` Bowman, Terry
2025-02-11 19:24 ` [PATCH v7 15/17] cxl/pci: Add support to assign and clear pci_driver::cxl_err_handlers Terry Bowman
2025-02-12 0:38 ` Dave Jiang
2025-02-14 2:29 ` Dan Williams
2025-02-11 19:24 ` [PATCH v7 16/17] PCI/AER: Enable internal errors for CXL Upstream and Downstream Switch Ports Terry Bowman
2025-02-11 20:25 ` Bjorn Helgaas
2025-02-11 20:40 ` Bowman, Terry
2025-02-12 0:40 ` Dave Jiang
2025-02-14 2:35 ` Dan Williams
2025-02-11 19:24 ` [PATCH v7 17/17] cxl/pci: Handle CXL Endpoint and RCH Protocol Errors separately from PCIe errors Terry Bowman
2025-02-14 2:43 ` Dan Williams
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