diff options
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 64258442622a..d853a0238ad7 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -693,10 +693,26 @@ int cxl_decoder_add_locked(struct cxl_decoder *cxld, int *target_map); int cxl_decoder_autoremove(struct device *host, struct cxl_decoder *cxld); int cxl_endpoint_autoremove(struct cxl_memdev *cxlmd, struct cxl_port *endpoint); +/** + * struct cxl_endpoint_dvsec_info - Cached DVSEC info + * @mem_enabled: cached value of mem_enabled in the DVSEC, PCIE_DEVICE + * @ranges: Number of active HDM ranges this device uses. + * @dvsec_range: cached attributes of the ranges in the DVSEC, PCIE_DEVICE + */ +struct cxl_endpoint_dvsec_info { + bool mem_enabled; + int ranges; + struct range dvsec_range[2]; +}; + struct cxl_hdm; -struct cxl_hdm *devm_cxl_setup_hdm(struct cxl_port *port); -int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm); +struct cxl_hdm *devm_cxl_setup_hdm(struct cxl_port *port, + struct cxl_endpoint_dvsec_info *info); +int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm, + struct cxl_endpoint_dvsec_info *info); int devm_cxl_add_passthrough_decoder(struct cxl_port *port); +int cxl_dvsec_rr_decode(struct device *dev, int dvsec, + struct cxl_endpoint_dvsec_info *info); bool is_cxl_region(struct device *dev); |