* @req_node: entry in list of requests for the particular @node
* @node: the interconnect node to which this constraint applies
* @dev: reference to the device that sets the constraints
+ * @tag: path tag (optional)
* @avg_bw: an integer describing the average bandwidth in kBps
* @peak_bw: an integer describing the peak bandwidth in kBps
*/
struct hlist_node req_node;
struct icc_node *node;
struct device *dev;
+ u32 tag;
u32 avg_bw;
u32 peak_bw;
};
node->peak_bw = 0;
hlist_for_each_entry(r, &node->req_list, req_node)
- p->aggregate(node, r->avg_bw, r->peak_bw,
+ p->aggregate(node, r->tag, r->avg_bw, r->peak_bw,
&node->avg_bw, &node->peak_bw);
return 0;
EXPORT_SYMBOL_GPL(of_icc_get);
/**
+ * icc_set_tag() - set an optional tag on a path
+ * @path: the path we want to tag
+ * @tag: the tag value
+ *
+ * This function allows consumers to append a tag to the requests associated
+ * with a path, so that a different aggregation could be done based on this tag.
+ */
+void icc_set_tag(struct icc_path *path, u32 tag)
+{
+ int i;
+
+ if (!path)
+ return;
+
+ for (i = 0; i < path->num_nodes; i++)
+ path->reqs[i].tag = tag;
+}
+EXPORT_SYMBOL_GPL(icc_set_tag);
+
+/**
* icc_set_bw() - set bandwidth constraints on an interconnect path
* @path: reference to the path returned by icc_get()
* @avg_bw: average bandwidth in kilobytes per second
bcm->dirty = false;
}
-static int qcom_icc_aggregate(struct icc_node *node, u32 avg_bw,
+static int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
u32 peak_bw, u32 *agg_avg, u32 *agg_peak)
{
size_t i;
struct list_head provider_list;
struct list_head nodes;
int (*set)(struct icc_node *src, struct icc_node *dst);
- int (*aggregate)(struct icc_node *node, u32 avg_bw, u32 peak_bw,
- u32 *agg_avg, u32 *agg_peak);
+ int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw,
+ u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
struct device *dev;
int users;
struct icc_path *of_icc_get(struct device *dev, const char *name);
void icc_put(struct icc_path *path);
int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw);
+void icc_set_tag(struct icc_path *path, u32 tag);
#else
return 0;
}
+static inline void icc_set_tag(struct icc_path *path, u32 tag)
+{
+}
+
#endif /* CONFIG_INTERCONNECT */
#endif /* __LINUX_INTERCONNECT_H */