diff options
Diffstat (limited to 'drivers/cxl/cxlmem.h')
| -rw-r--r-- | drivers/cxl/cxlmem.h | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 3ec6b906371b..751478dfc410 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -45,6 +45,11 @@ * @endpoint: connection to the CXL port topology for this memory device * @id: id number of this memdev instance. * @depth: endpoint port depth + * @scrub_cycle: current scrub cycle set for this device + * @scrub_region_id: id number of a backed region (if any) for which current scrub cycle set + * @err_rec_array: List of xarrarys to store the memdev error records to + * check attributes for a memory repair operation are from + * current boot. */ struct cxl_memdev { struct device dev; @@ -56,6 +61,9 @@ struct cxl_memdev { struct cxl_port *endpoint; int id; int depth; + u8 scrub_cycle; + int scrub_region_id; + void *err_rec_array; }; static inline struct cxl_memdev *to_cxl_memdev(struct device *dev) @@ -246,7 +254,7 @@ enum security_cmd_enabled_bits { * @max_errors: Maximum media error records held in device cache * @enabled_cmds: All poison commands enabled in the CEL * @list_out: The poison list payload returned by device - * @lock: Protect reads of the poison list + * @mutex: Protect reads of the poison list * * Reads of the poison list are synchronized to ensure that a reader * does not get an incomplete list because their request overlapped @@ -257,7 +265,7 @@ struct cxl_poison_state { u32 max_errors; DECLARE_BITMAP(enabled_cmds, CXL_POISON_ENABLED_MAX); struct cxl_mbox_poison_out *list_out; - struct mutex lock; /* Protect reads of poison list */ + struct mutex mutex; /* Protect reads of poison list */ }; /* @@ -527,6 +535,7 @@ enum cxl_opcode { CXL_MBOX_OP_GET_SUPPORTED_FEATURES = 0x0500, CXL_MBOX_OP_GET_FEATURE = 0x0501, CXL_MBOX_OP_SET_FEATURE = 0x0502, + CXL_MBOX_OP_DO_MAINTENANCE = 0x0600, CXL_MBOX_OP_IDENTIFY = 0x4000, CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100, CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101, @@ -625,6 +634,14 @@ struct cxl_mbox_identify { 0x13, 0xb7, 0x74) /* + * Memory Sparing Event Record UUID + * CXL rev 3.2 section 8.2.10.2.1.4: Table 8-60 + */ +#define CXL_EVENT_MEM_SPARING_UUID \ + UUID_INIT(0xe71f3a40, 0x2d29, 0x4092, 0x8a, 0x39, 0x4d, 0x1c, 0x96, \ + 0x6c, 0x7c, 0x65) + +/* * Get Event Records output payload * CXL rev 3.0 section 8.2.9.2.2; Table 8-50 */ @@ -853,6 +870,27 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd); int cxl_inject_poison(struct cxl_memdev *cxlmd, u64 dpa); int cxl_clear_poison(struct cxl_memdev *cxlmd, u64 dpa); +#ifdef CONFIG_CXL_EDAC_MEM_FEATURES +int devm_cxl_memdev_edac_register(struct cxl_memdev *cxlmd); +int devm_cxl_region_edac_register(struct cxl_region *cxlr); +int cxl_store_rec_gen_media(struct cxl_memdev *cxlmd, union cxl_event *evt); +int cxl_store_rec_dram(struct cxl_memdev *cxlmd, union cxl_event *evt); +void devm_cxl_memdev_edac_release(struct cxl_memdev *cxlmd); +#else +static inline int devm_cxl_memdev_edac_register(struct cxl_memdev *cxlmd) +{ return 0; } +static inline int devm_cxl_region_edac_register(struct cxl_region *cxlr) +{ return 0; } +static inline int cxl_store_rec_gen_media(struct cxl_memdev *cxlmd, + union cxl_event *evt) +{ return 0; } +static inline int cxl_store_rec_dram(struct cxl_memdev *cxlmd, + union cxl_event *evt) +{ return 0; } +static inline void devm_cxl_memdev_edac_release(struct cxl_memdev *cxlmd) +{ return; } +#endif + #ifdef CONFIG_CXL_SUSPEND void cxl_mem_active_inc(void); void cxl_mem_active_dec(void); |