misc: tegra-profiler: send buffer fill count

Tegra Profiler misc driver: transmit the maximum buffer
occupancy to the user space.

Bug 1374266

Change-Id: Id078083a5493552c1f3bb697a1d3e4a5504e3f82
Signed-off-by: Igor Nabirushkin <inabirushkin@nvidia.com>
Reviewed-on: http://git-master/r/298725
(cherry picked from commit 62fb9454f0348ae22c48f74803d60bfb129b93cf)

1 files changed, 7 insertions, 2 deletions

diff --git a/include/linux/tegra_profiler.h b/include/linux/tegra_profiler.h
index 5840ba3a8..2efa9c185 100644
--- a/include/linux/tegra_profiler.h
+++ b/include/linux/tegra_profiler.h
@@ -20,9 +20,10 @@
 #include <linux/ioctl.h>
 
 #define QUADD_SAMPLES_VERSION   16
-#define QUADD_IO_VERSION        5
+#define QUADD_IO_VERSION        6
 
-#define QUADD_IO_VERSION_DYNAMIC_RB     5
+#define QUADD_IO_VERSION_DYNAMIC_RB             5
+#define QUADD_IO_VERSION_RB_MAX_FILL_COUNT      6
 
 #define QUADD_MAX_COUNTERS      32
 #define QUADD_MAX_PROCESS       64
@@ -283,6 +284,10 @@ struct quadd_comm_cap {
         u32 reserved[16];       /* reserved fields for future extensions */
 };
 
+enum {
+        QUADD_MOD_STATE_IDX_RB_MAX_FILL_COUNT = 0,
+};
+
 struct quadd_module_state {
         u64 nr_all_samples;
         u64 nr_skipped_samples;