On 1/23/25 1:44 AM, Smita Koralahalli wrote: > This patchset adds logging support for CXL CPER endpoint and port protocol > errors. Hi Ard, I'd like to apply this series to cxl/next. If the EFI bits look ok to you, can you please ack the relevant patches? Thank you! > > The first 3 patches update the existing codebase to support CXL CPER > Protocol error reporting. > > The last 3 patches introduce recognizing and reporting CXL CPER Protocol > errors. > > Link to v5: > https://lore.kernel.org/linux-cxl/20250114120427.149260-1-Smita.KoralahalliChannabasappa@xxxxxxx > > Changes in v5 -> v6: > [Dave, Jonathan, Ira]: Reviewed-by tags. > [Dave]: Check for cxlds before assigning fe. > Merge one of the patches (Port error trace logging) from Terry's Port > error handling. > Rename host -> parent. > > Changes in v4 -> v5: > [Dave]: Reviewed-by tags. > [Jonathan]: Remove blank line. > [Jonathan, Ira]: Change CXL -> "CXL". > [Ira]: Fix build error for CONFIG_ACPI_APEI_PCIEAER. > > Changes in v3 -> v4: > [Ira]: Use memcpy() for RAS Cap struct. > [Jonathan]: Commit description edits. > [Jonathan]: Use separate work registration functions for protocol and > component errors. > [Jonathan, Ira]: Replace flags with separate functions for port and > device errors. > [Jonathan]: Use goto for register and unregister calls. > > 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 (6): > 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, cper: Recognize and cache CXL Protocol errors > acpi/ghes, cxl/pci: Process CXL CPER Protocol Errors > cxl/pci: Add trace logging for CXL PCIe Port RAS errors > > drivers/acpi/apei/ghes.c | 103 ++++++++++++++++++++++++++++++++ > drivers/cxl/core/pci.c | 62 +++++++++++++++++++ > drivers/cxl/core/trace.h | 47 +++++++++++++++ > drivers/cxl/cxlpci.h | 9 +++ > 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 | 101 +++++++++++++++++++++++++++++++ > include/linux/cper.h | 8 +++ > 10 files changed, 394 insertions(+), 106 deletions(-) > delete mode 100644 drivers/firmware/efi/cper_cxl.h >
