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-rw-r--r--include/linux/coresight.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 46c67a764877..62a520df8add 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -154,8 +154,9 @@ struct coresight_connection {
* @orphan: true if the component has connections that haven't been linked.
* @enable: 'true' if component is currently part of an active path.
* @activated: 'true' only if a _sink_ has been activated. A sink can be
- activated but not yet enabled. Enabling for a _sink_
- happens when a source has been selected for that it.
+ * activated but not yet enabled. Enabling for a _sink_
+ * appens when a source has been selected for that it.
+ * @ea: Device attribute for sink representation under PMU directory.
*/
struct coresight_device {
struct coresight_connection *conns;
@@ -168,7 +169,9 @@ struct coresight_device {
atomic_t *refcnt;
bool orphan;
bool enable; /* true only if configured as part of a path */
+ /* sink specific fields */
bool activated; /* true only if a sink is part of a path */
+ struct dev_ext_attribute *ea;
};
#define to_coresight_device(d) container_of(d, struct coresight_device, dev)
@@ -189,9 +192,10 @@ struct coresight_device {
*/
struct coresight_ops_sink {
int (*enable)(struct coresight_device *csdev, u32 mode, void *data);
- void (*disable)(struct coresight_device *csdev);
- void *(*alloc_buffer)(struct coresight_device *csdev, int cpu,
- void **pages, int nr_pages, bool overwrite);
+ int (*disable)(struct coresight_device *csdev);
+ void *(*alloc_buffer)(struct coresight_device *csdev,
+ struct perf_event *event, void **pages,
+ int nr_pages, bool overwrite);
void (*free_buffer)(void *config);
unsigned long (*update_buffer)(struct coresight_device *csdev,
struct perf_output_handle *handle,