video: tegra: host: Rework eventlib events

This change updates eventlib events to follow the requested format:

- An event is generated as part of submission
- Rather than using "START" in the event identifier, the code uses
  "BEGIN"

Bug 1996639

Change-Id: I5afc31332b0121a2287eda07f77d86304a0ba6ac
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1610037
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>

1 files changed, 28 insertions, 6 deletions

diff --git a/include/uapi/linux/nvhost_events.h b/include/uapi/linux/nvhost_events.h
index 1935f6edd..4655537f1 100644
--- a/include/uapi/linux/nvhost_events.h
+++ b/include/uapi/linux/nvhost_events.h
@@ -25,8 +25,26 @@ enum {
 
 #define NVHOST_EVENT_PROVIDER_NAME "nvhost"
 
+/* Marks that the task is submitted to hardware */
+struct nvhost_task_submit {
+        /* Engine class ID */
+        u32 class_id;
+
+        /* Syncpoint ID */
+        u32 syncpt_id;
+
+        /* Threshold for task completion */
+        u32 syncpt_thresh;
+
+        /* PID */
+        u32 pid;
+
+        /* TID */
+        u32 tid;
+} __packed;
+
 /* Marks that the task is moving to execution */
-struct nvhost_task_start {
+struct nvhost_task_begin {
         /* Engine class ID */
         u32 class_id;
 
@@ -50,18 +68,22 @@ struct nvhost_task_end {
 } __packed;
 
 enum {
-        /* struct nvhost_task_start */
-        NVHOST_TASK_START = 0,
+        /* struct nvhost_task_submit */
+        NVHOST_TASK_SUBMIT = 0,
+
+        /* struct nvhost_task_begin */
+        NVHOST_TASK_BEGIN = 1,
 
         /* struct nvhost_task_end */
-        NVHOST_TASK_END = 1,
+        NVHOST_TASK_END = 2,
 
-        NVHOST_NUM_EVENT_TYPES = 2
+        NVHOST_NUM_EVENT_TYPES = 3
 };
 
 union nvhost_event_union {
-        struct nvhost_task_start task_start;
+        struct nvhost_task_begin task_begin;
         struct nvhost_task_end task_end;
+        struct nvhost_task_submit task_submit;
 };
 
 enum {