};
/**
- * struct coresight_platform_data - data harvested from the DT specification
- * @nr_inport: number of input ports for this component.
- * @nr_outport: number of output ports for this component.
- * @conns: Array of nr_outport connections from this component
+ * struct coresight_platform_data - data harvested from the firmware
+ * specification.
+ *
+ * @nr_inport: Number of elements for the input connections.
+ * @nr_outport: Number of elements for the output connections.
+ * @conns: Sparse array of nr_outport connections from this component.
*/
struct coresight_platform_data {
int nr_inport;
* @chid_fwnode: remote component's fwnode handle.
* @child_dev: a @coresight_device representation of the component
connected to @outport.
+ * @link: Representation of the connection as a sysfs link.
*/
struct coresight_connection {
int outport;
int child_port;
struct fwnode_handle *child_fwnode;
struct coresight_device *child_dev;
+ struct coresight_sysfs_link *link;
+};
+
+/**
+ * struct coresight_sysfs_link - representation of a connection in sysfs.
+ * @orig: Originating (master) coresight device for the link.
+ * @orig_name: Name to use for the link orig->target.
+ * @target: Target (slave) coresight device for the link.
+ * @target_name: Name to use for the link target->orig.
+ */
+struct coresight_sysfs_link {
+ struct coresight_device *orig;
+ const char *orig_name;
+ struct coresight_device *target;
+ const char *target_name;
};
/**
* @ea: Device attribute for sink representation under PMU directory.
* @ect_dev: Associated cross trigger device. Not part of the trace data
* path or connections.
+ * @nr_links: number of sysfs links created to other components from this
+ * device. These will appear in the "connections" group.
+ * @has_conns_grp: Have added a "connections" group for sysfs links.
*/
struct coresight_device {
struct coresight_platform_data *pdata;
struct dev_ext_attribute *ea;
/* cross trigger handling */
struct coresight_device *ect_dev;
+ /* sysfs links between components */
+ int nr_links;
+ bool has_conns_grp;
};
/*