diff options
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 9a212ab3cae4..8b7fb33d368b 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -388,6 +388,12 @@ struct cxl_region_params { int nr_targets; }; +/* + * Flag whether this region needs to have its HPA span synchronized with + * CPU cache state at region activation time. + */ +#define CXL_REGION_F_INCOHERENT 0 + /** * struct cxl_region - CXL region * @dev: This region's device @@ -396,6 +402,7 @@ struct cxl_region_params { * @type: Endpoint decoder target type * @cxl_nvb: nvdimm bridge for coordinating @cxlr_pmem setup / shutdown * @cxlr_pmem: (for pmem regions) cached copy of the nvdimm bridge + * @flags: Region state flags * @params: active + config params for the region */ struct cxl_region { @@ -405,6 +412,7 @@ struct cxl_region { enum cxl_decoder_type type; struct cxl_nvdimm_bridge *cxl_nvb; struct cxl_pmem_region *cxlr_pmem; + unsigned long flags; struct cxl_region_params params; }; @@ -416,9 +424,12 @@ struct cxl_nvdimm_bridge { struct nvdimm_bus_descriptor nd_desc; }; +#define CXL_DEV_ID_LEN 19 + struct cxl_nvdimm { struct device dev; struct cxl_memdev *cxlmd; + u8 dev_id[CXL_DEV_ID_LEN]; /* for nvdimm, string of 'serial' */ }; struct cxl_pmem_region_mapping { |