| From: |
| Smita Koralahalli <Smita.KoralahalliChannabasappa-AT-amd.com> |
| To: |
| <linux-efi-AT-vger.kernel.org>, <linux-kernel-AT-vger.kernel.org>, <linux-cxl-AT-vger.kernel.org> |
| Subject: |
| [PATCH v3 0/7] acpi/ghes, cper, cxl: Process CXL CPER Protocol errors |
| Date: |
| Tue, 19 Nov 2024 00:39:08 +0000 |
| Message-ID: |
| <20241119003915.174386-1-Smita.KoralahalliChannabasappa@amd.com> |
| Cc: |
| Ard Biesheuvel <ardb-AT-kernel.org>, Alison Schofield <alison.schofield-AT-intel.com>, Vishal Verma <vishal.l.verma-AT-intel.com>, "Ira Weiny" <ira.weiny-AT-intel.com>, Dan Williams <dan.j.williams-AT-intel.com>, Jonathan Cameron <Jonathan.Cameron-AT-huawei.com>, Yazen Ghannam <yazen.ghannam-AT-amd.com>, Terry Bowman <terry.bowman-AT-amd.com>, "Smita Koralahalli" <Smita.KoralahalliChannabasappa-AT-amd.com> |
| Archive-link: |
| Article |
This patchset adds logging support for CXL CPER endpoint and port protocol
errors.
The first 5 patches update the existing codebase to support CXL CPER
Protocol error reporting.
The last 2 patches introduce recognizing and reporting CXL CPER Protocol
errors.
Should be based on top of:
https://lore.kernel.org/linux-cxl/20241113215429.3177981-...
Link to v2:
https://lore.kernel.org/linux-cxl/20241001005234.61409-1-...
Changes in v2 -> v3:
[Dan]: Define a new workqueue for CXL CPER Protocol errors and avoid
reusing existing workqueue which handles CXL CPER events.
[Dan] Update function and struct names.
[Ira] Don't define common function get_cxl_devstate().
[Dan] Use switch cases rather than defining array of structures.
[Dan] Pass the entire cxl_cper_prot_err struct for CXL subsystem.
[Dan] Use pr_err_ratelimited().
[Dan] Use AER_ severities directly. Don't define CXL_ severities.
[Dan] Limit either to Device ID or Agent Info check.
[Dan] Validate size of RAS field matches expectations.
Changes in v2 -> v1:
[Jonathan] Refactor code for trace support. Rename get_cxl_dev()
to get_cxl_devstate().
[Jonathan] Cleanups for get_cxl_devstate().
[Alison, Jonathan]: Define array of structures for Device ID and Serial
number comparison.
[Dave] p_err -> rec/p_rec.
[Jonathan] Remove pr_warn.
Smita Koralahalli (7):
efi/cper, cxl: Prefix protocol error struct and function names with
cxl_
efi/cper, cxl: Make definitions and structures global
efi/cper, cxl: Remove cper_cxl.h
acpi/ghes, cxl: Rename cxl_cper_register_work to
cxl_cper_register_event_work
acpi/ghes, cxl: Refactor work registration functions to support
multiple workqueues
acpi/ghes, cper: Recognize and cache CXL Protocol errors
acpi/ghes, cxl/pci: Process CXL CPER Protocol Errors
drivers/acpi/apei/ghes.c | 129 +++++++++++++++++++++++++++++---
drivers/cxl/core/pci.c | 50 +++++++++++++
drivers/cxl/cxlpci.h | 6 ++
drivers/cxl/pci.c | 59 ++++++++++++++-
drivers/firmware/efi/cper.c | 6 +-
drivers/firmware/efi/cper_cxl.c | 39 +---------
drivers/firmware/efi/cper_cxl.h | 66 ----------------
include/cxl/event.h | 109 ++++++++++++++++++++++++++-
include/linux/cper.h | 8 ++
9 files changed, 351 insertions(+), 121 deletions(-)
delete mode 100644 drivers/firmware/efi/cper_cxl.h
--
2.17.1
