From: Shiju Jose <shiju.jose@xxxxxxxxxx> Support for CXL memory RAS features: patrol scrub, ECS, soft-PPR and memory sparing. This CXL series was part of the EDAC series [1]. The code is based on cxl.git: next branch [2] merged with ras.git: edac-cxl branch [3]. 1. https://lore.kernel.org/linux-cxl/20250212143654.1893-1-shiju.jose@xxxxxxxxxx/ 2. https://web.git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/log/?h=next 3. https://web.git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git/log/?h=edac-cxl Userspace code for CXL memory repair features [4] and sample boot-script for CXL memory repair [5]. [4]: https://lore.kernel.org/lkml/20250207143028.1865-1-shiju.jose@xxxxxxxxxx/ [5]: https://lore.kernel.org/lkml/20250207143028.1865-5-shiju.jose@xxxxxxxxxx/ Shiju Jose (8): cxl: Add helper function to retrieve a feature entry cxl/memfeature: Add CXL memory device patrol scrub control feature cxl/memfeature: Add CXL memory device ECS control feature cxl/mbox: Add support for PERFORM_MAINTENANCE mailbox command cxl/region: Add helper function to determine memory is online cxl: Support for finding memory operation attributes from the current boot cxl/memfeature: Add CXL memory device soft PPR control feature cxl/memfeature: Add CXL memory device memory sparing control feature Documentation/edac/memory_repair.rst | 103 ++ Documentation/edac/scrub.rst | 64 + drivers/cxl/Kconfig | 20 + drivers/cxl/core/Makefile | 1 + drivers/cxl/core/core.h | 11 + drivers/cxl/core/features.c | 20 + drivers/cxl/core/mbox.c | 45 +- drivers/cxl/core/memdev.c | 9 + drivers/cxl/core/memfeatures.c | 1728 ++++++++++++++++++++++++++ drivers/cxl/core/ras.c | 151 +++ drivers/cxl/core/region.c | 15 + drivers/cxl/cxlmem.h | 82 ++ drivers/cxl/mem.c | 4 + drivers/cxl/pci.c | 3 + drivers/edac/mem_repair.c | 9 + include/linux/edac.h | 7 + 16 files changed, 2270 insertions(+), 2 deletions(-) create mode 100644 drivers/cxl/core/memfeatures.c create mode 100644 drivers/cxl/core/ras.c -- 2.43.0
