cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / stm.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/stm.h b/i686-linux-gnu-4.7/usr/include/linux/stm.h
new file mode 100644 (file)
index 0000000..8daeae4
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/stm.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * System Trace Module (STM) userspace interfaces
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * STM class implements generic infrastructure for  System Trace Module devices
+ * as defined in MIPI STPv2 specification.
+ */
+
+#ifndef _LINUX_STM_H
+#define _LINUX_STM_H
+
+#include <linux/types.h>
+
+/* Maximum allowed master and channel values */
+#define STP_MASTER_MAX 0xffff
+#define STP_CHANNEL_MAX        0xffff
+
+/**
+ * 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 /* _LINUX_STM_H */