diff options
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 2ac344235235..b1395c46baec 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -513,6 +513,12 @@ struct cxl_pmem_region { struct cxl_pmem_region_mapping mapping[]; }; +struct cxl_dax_region { + struct device dev; + struct cxl_region *cxlr; + struct range hpa_range; +}; + /** * struct cxl_port - logical collection of upstream port devices and * downstream port devices to construct a CXL memory @@ -707,6 +713,7 @@ void cxl_driver_unregister(struct cxl_driver *cxl_drv); #define CXL_DEVICE_MEMORY_EXPANDER 5 #define CXL_DEVICE_REGION 6 #define CXL_DEVICE_PMEM_REGION 7 +#define CXL_DEVICE_DAX_REGION 8 #define MODULE_ALIAS_CXL(type) MODULE_ALIAS("cxl:t" __stringify(type) "*") #define CXL_MODALIAS_FMT "cxl:t%d" @@ -725,6 +732,7 @@ bool is_cxl_pmem_region(struct device *dev); struct cxl_pmem_region *to_cxl_pmem_region(struct device *dev); int cxl_add_to_region(struct cxl_port *root, struct cxl_endpoint_decoder *cxled); +struct cxl_dax_region *to_cxl_dax_region(struct device *dev); #else static inline bool is_cxl_pmem_region(struct device *dev) { @@ -739,6 +747,10 @@ static inline int cxl_add_to_region(struct cxl_port *root, { return 0; } +static inline struct cxl_dax_region *to_cxl_dax_region(struct device *dev) +{ + return NULL; +} #endif /* |