diff options
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 231ddccf8977..ba17fa86d249 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -451,7 +451,7 @@ struct cxl_root_decoder { void *platform_data; struct mutex range_lock; int qos_class; - struct cxl_rd_ops *ops; + struct cxl_rd_ops ops; struct cxl_switch_decoder cxlsd; }; @@ -517,6 +517,14 @@ enum cxl_partition_mode { */ #define CXL_REGION_F_NEEDS_RESET 1 +/* + * Indicate whether this region is locked due to 1 or more decoders that have + * been locked. The approach of all or nothing is taken with regard to the + * locked attribute. CXL_REGION_F_NEEDS_RESET should not be set if this flag is + * set. + */ +#define CXL_REGION_F_LOCK 2 + /** * struct cxl_region - CXL region * @dev: This region's device @@ -738,6 +746,25 @@ static inline bool is_cxl_root(struct cxl_port *port) return port->uport_dev == port->dev.parent; } +/* Address translation functions exported to cxl_translate test module only */ +int cxl_validate_translation_params(u8 eiw, u16 eig, int pos); +u64 cxl_calculate_hpa_offset(u64 dpa_offset, int pos, u8 eiw, u16 eig); +u64 cxl_calculate_dpa_offset(u64 hpa_offset, u8 eiw, u16 eig); +int cxl_calculate_position(u64 hpa_offset, u8 eiw, u16 eig); +struct cxl_cxims_data { + int nr_maps; + u64 xormaps[] __counted_by(nr_maps); +}; + +#if IS_ENABLED(CONFIG_CXL_ACPI) +u64 cxl_do_xormap_calc(struct cxl_cxims_data *cximsd, u64 addr, int hbiw); +#else +static inline u64 cxl_do_xormap_calc(struct cxl_cxims_data *cximsd, u64 addr, int hbiw) +{ + return ULLONG_MAX; +} +#endif + int cxl_num_decoders_committed(struct cxl_port *port); bool is_cxl_port(const struct device *dev); struct cxl_port *to_cxl_port(const struct device *dev); |