1 files changed, 50 insertions, 0 deletions

diff --git a/include/uapi/linux/stm.h b/include/uapi/linux/stm.h
new file mode 100644
index 000000000000..626a8d3f63b5
--- /dev/null
+++ b/include/uapi/linux/stm.h
@@ -0,0 +1,50 @@
+/*
+ * System Trace Module (STM) userspace interfaces
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * STM class implements generic infrastructure for  System Trace Module devices
+ * as defined in MIPI STPv2 specification.
+ */
+
+#ifndef _UAPI_LINUX_STM_H
+#define _UAPI_LINUX_STM_H
+
+#include <linux/types.h>
+
+/**
+ * struct stp_policy_id - identification for the STP policy
+ * @size:       size of the structure including real id[] length
+ * @master:     assigned master
+ * @channel:    first assigned channel
+ * @width:      number of requested channels
+ * @id:         identification string
+ *
+ * User must calculate the total size of the structure and put it into
+ * @size field, fill out the @id and desired @width. In return, kernel
+ * fills out @master, @channel and @width.
+ */
+struct stp_policy_id {
+        __u32           size;
+        __u16           master;
+        __u16           channel;
+        __u16           width;
+        /* padding */
+        __u16           __reserved_0;
+        __u32           __reserved_1;
+        char            id[0];
+};
+
+#define STP_POLICY_ID_SET       _IOWR('%', 0, struct stp_policy_id)
+#define STP_POLICY_ID_GET       _IOR('%', 1, struct stp_policy_id)
+#define STP_SET_OPTIONS         _IOW('%', 2, __u64)
+
+#endif /* _UAPI_LINUX_STM_H */