diff options
Diffstat (limited to 'drivers/cxl/core/core.h')
-rw-r--r-- | drivers/cxl/core/core.h | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index e0c9aacc4e9c..1d8f87be283f 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -9,15 +9,66 @@ extern const struct device_type cxl_nvdimm_type; extern struct attribute_group cxl_base_attribute_group; +#ifdef CONFIG_CXL_REGION +extern struct device_attribute dev_attr_create_pmem_region; +extern struct device_attribute dev_attr_delete_region; +extern struct device_attribute dev_attr_region; +extern const struct device_type cxl_pmem_region_type; +extern const struct device_type cxl_region_type; +void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled); +#define CXL_REGION_ATTR(x) (&dev_attr_##x.attr) +#define CXL_REGION_TYPE(x) (&cxl_region_type) +#define SET_CXL_REGION_ATTR(x) (&dev_attr_##x.attr), +#define CXL_PMEM_REGION_TYPE(x) (&cxl_pmem_region_type) +int cxl_region_init(void); +void cxl_region_exit(void); +#else +static inline void cxl_decoder_kill_region(struct cxl_endpoint_decoder *cxled) +{ +} +static inline int cxl_region_init(void) +{ + return 0; +} +static inline void cxl_region_exit(void) +{ +} +#define CXL_REGION_ATTR(x) NULL +#define CXL_REGION_TYPE(x) NULL +#define SET_CXL_REGION_ATTR(x) +#define CXL_PMEM_REGION_TYPE(x) NULL +#endif + struct cxl_send_command; struct cxl_mem_query_commands; int cxl_query_cmd(struct cxl_memdev *cxlmd, struct cxl_mem_query_commands __user *q); int cxl_send_cmd(struct cxl_memdev *cxlmd, struct cxl_send_command __user *s); +void __iomem *devm_cxl_iomap_block(struct device *dev, resource_size_t addr, + resource_size_t length); + +struct dentry *cxl_debugfs_create_dir(const char *dir); +int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled, + enum cxl_decoder_mode mode); +int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size); +int cxl_dpa_free(struct cxl_endpoint_decoder *cxled); +resource_size_t cxl_dpa_size(struct cxl_endpoint_decoder *cxled); +resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled); +extern struct rw_semaphore cxl_dpa_rwsem; + +bool is_switch_decoder(struct device *dev); +struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev); +static inline struct cxl_ep *cxl_ep_load(struct cxl_port *port, + struct cxl_memdev *cxlmd) +{ + if (!port) + return NULL; + + return xa_load(&port->endpoints, (unsigned long)&cxlmd->dev); +} int cxl_memdev_init(void); void cxl_memdev_exit(void); void cxl_mbox_init(void); -void cxl_mbox_exit(void); #endif /* __CXL_CORE_H__ */ |