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-rw-r--r--include/linux/stm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/stm.h b/include/linux/stm.h
index 3b22689512be..2fcbef9608f6 100644
--- a/include/linux/stm.h
+++ b/include/linux/stm.h
@@ -30,6 +30,16 @@ enum stp_packet_flags {
STP_PACKET_TIMESTAMPED = 0x2,
};
+/**
+ * enum stm_source_type - STM source driver
+ * @STM_USER: any STM trace source
+ * @STM_FTRACE: ftrace STM source
+ */
+enum stm_source_type {
+ STM_USER,
+ STM_FTRACE,
+};
+
struct stp_policy;
struct stm_device;
@@ -106,6 +116,7 @@ struct stm_source_device;
* @name: device name, will be used for policy lookup
* @src: internal structure, only used by stm class code
* @nr_chans: number of channels to allocate
+ * @type: type of STM source driver represented by stm_source_type
* @link: called when this source gets linked to an STM device
* @unlink: called when this source is about to get unlinked from its STM
*
@@ -117,6 +128,7 @@ struct stm_source_data {
struct stm_source_device *src;
unsigned int percpu;
unsigned int nr_chans;
+ unsigned int type;
int (*link)(struct stm_source_data *data);
void (*unlink)(struct stm_source_data *data);
};