Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Mike Leach | 223 | 100.00% | 5 | 100.00% |
Total | 223 | 5 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Coresight system configuration driver. */ #ifndef CORESIGHT_SYSCFG_H #define CORESIGHT_SYSCFG_H #include <linux/configfs.h> #include <linux/coresight.h> #include <linux/device.h> #include "coresight-config.h" /** * System configuration manager device. * * Contains lists of the loaded configurations and features, plus a list of CoreSight devices * registered with the system as supporting configuration management. * * Need a device to 'own' some coresight system wide sysfs entries in * perf events, configfs etc. * * @dev: The device. * @csdev_desc_list: List of coresight devices registered with the configuration manager. * @feat_desc_list: List of feature descriptors to load into registered devices. * @config_desc_list: List of system configuration descriptors to load into registered devices. * @sys_active_cnt: Total number of active config descriptor references. * @cfgfs_subsys: configfs subsystem used to manage configurations. */ struct cscfg_manager { struct device dev; struct list_head csdev_desc_list; struct list_head feat_desc_list; struct list_head config_desc_list; atomic_t sys_active_cnt; struct configfs_subsystem cfgfs_subsys; }; /* get reference to dev in cscfg_manager */ struct device *cscfg_device(void); /** * List entry for Coresight devices that are registered as supporting complex * config operations. * * @csdev: The registered device. * @match_flags: The matching type information for adding features. * @ops: Operations supported by the registered device. * @item: list entry. */ struct cscfg_registered_csdev { struct coresight_device *csdev; u32 match_flags; struct cscfg_csdev_feat_ops ops; struct list_head item; }; /* internal core operations for cscfg */ int __init cscfg_init(void); void cscfg_exit(void); int cscfg_preload(void); const struct cscfg_feature_desc *cscfg_get_named_feat_desc(const char *name); int cscfg_update_feat_param_val(struct cscfg_feature_desc *feat_desc, int param_idx, u64 value); /* syscfg manager external API */ int cscfg_load_config_sets(struct cscfg_config_desc **cfg_descs, struct cscfg_feature_desc **feat_descs); int cscfg_register_csdev(struct coresight_device *csdev, u32 match_flags, struct cscfg_csdev_feat_ops *ops); void cscfg_unregister_csdev(struct coresight_device *csdev); int cscfg_activate_config(unsigned long cfg_hash); void cscfg_deactivate_config(unsigned long cfg_hash); void cscfg_csdev_reset_feats(struct coresight_device *csdev); int cscfg_csdev_enable_active_config(struct coresight_device *csdev, unsigned long cfg_hash, int preset); void cscfg_csdev_disable_active_config(struct coresight_device *csdev); #endif /* CORESIGHT_SYSCFG_H */
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