diff options
Diffstat (limited to 'drivers/cxl/core/core.h')
| -rw-r--r-- | drivers/cxl/core/core.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index 1fb66132b777..007b8aff0238 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -19,6 +19,14 @@ enum cxl_detach_mode { }; #ifdef CONFIG_CXL_REGION + +struct cxl_region_context { + struct cxl_endpoint_decoder *cxled; + struct range hpa_range; + int interleave_ways; + int interleave_granularity; +}; + extern struct device_attribute dev_attr_create_pmem_region; extern struct device_attribute dev_attr_create_ram_region; extern struct device_attribute dev_attr_delete_region; @@ -144,8 +152,40 @@ int cxl_pci_get_bandwidth(struct pci_dev *pdev, struct access_coordinate *c); int cxl_port_get_switch_dport_bandwidth(struct cxl_port *port, struct access_coordinate *c); +static inline struct device *dport_to_host(struct cxl_dport *dport) +{ + struct cxl_port *port = dport->port; + + if (is_cxl_root(port)) + return port->uport_dev; + return &port->dev; +} +#ifdef CONFIG_CXL_RAS int cxl_ras_init(void); void cxl_ras_exit(void); +bool cxl_handle_ras(struct device *dev, void __iomem *ras_base); +void cxl_handle_cor_ras(struct device *dev, void __iomem *ras_base); +void cxl_dport_map_rch_aer(struct cxl_dport *dport); +void cxl_disable_rch_root_ints(struct cxl_dport *dport); +void cxl_handle_rdport_errors(struct cxl_dev_state *cxlds); +void devm_cxl_dport_ras_setup(struct cxl_dport *dport); +#else +static inline int cxl_ras_init(void) +{ + return 0; +} +static inline void cxl_ras_exit(void) { } +static inline bool cxl_handle_ras(struct device *dev, void __iomem *ras_base) +{ + return false; +} +static inline void cxl_handle_cor_ras(struct device *dev, void __iomem *ras_base) { } +static inline void cxl_dport_map_rch_aer(struct cxl_dport *dport) { } +static inline void cxl_disable_rch_root_ints(struct cxl_dport *dport) { } +static inline void cxl_handle_rdport_errors(struct cxl_dev_state *cxlds) { } +static inline void devm_cxl_dport_ras_setup(struct cxl_dport *dport) { } +#endif /* CONFIG_CXL_RAS */ + int cxl_gpf_port_setup(struct cxl_dport *dport); struct cxl_hdm; |