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authorDavid Howells2012-10-13 11:46:48 +0200
committerDavid Howells2012-10-13 11:46:48 +0200
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/uhid.h
parentUAPI: Unexport linux/blk_types.h (diff)
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UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/uhid.h')
-rw-r--r--include/uapi/linux/uhid.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/include/uapi/linux/uhid.h b/include/uapi/linux/uhid.h
new file mode 100644
index 000000000000..9c6974f16966
--- /dev/null
+++ b/include/uapi/linux/uhid.h
@@ -0,0 +1,104 @@
+#ifndef __UHID_H_
+#define __UHID_H_
+
+/*
+ * User-space I/O driver support for HID subsystem
+ * Copyright (c) 2012 David Herrmann
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+/*
+ * Public header for user-space communication. We try to keep every structure
+ * aligned but to be safe we also use __attribute__((__packed__)). Therefore,
+ * the communication should be ABI compatible even between architectures.
+ */
+
+#include <linux/input.h>
+#include <linux/types.h>
+
+enum uhid_event_type {
+ UHID_CREATE,
+ UHID_DESTROY,
+ UHID_START,
+ UHID_STOP,
+ UHID_OPEN,
+ UHID_CLOSE,
+ UHID_OUTPUT,
+ UHID_OUTPUT_EV,
+ UHID_INPUT,
+ UHID_FEATURE,
+ UHID_FEATURE_ANSWER,
+};
+
+struct uhid_create_req {
+ __u8 name[128];
+ __u8 phys[64];
+ __u8 uniq[64];
+ __u8 __user *rd_data;
+ __u16 rd_size;
+
+ __u16 bus;
+ __u32 vendor;
+ __u32 product;
+ __u32 version;
+ __u32 country;
+} __attribute__((__packed__));
+
+#define UHID_DATA_MAX 4096
+
+enum uhid_report_type {
+ UHID_FEATURE_REPORT,
+ UHID_OUTPUT_REPORT,
+ UHID_INPUT_REPORT,
+};
+
+struct uhid_input_req {
+ __u8 data[UHID_DATA_MAX];
+ __u16 size;
+} __attribute__((__packed__));
+
+struct uhid_output_req {
+ __u8 data[UHID_DATA_MAX];
+ __u16 size;
+ __u8 rtype;
+} __attribute__((__packed__));
+
+struct uhid_output_ev_req {
+ __u16 type;
+ __u16 code;
+ __s32 value;
+} __attribute__((__packed__));
+
+struct uhid_feature_req {
+ __u32 id;
+ __u8 rnum;
+ __u8 rtype;
+} __attribute__((__packed__));
+
+struct uhid_feature_answer_req {
+ __u32 id;
+ __u16 err;
+ __u16 size;
+ __u8 data[UHID_DATA_MAX];
+};
+
+struct uhid_event {
+ __u32 type;
+
+ union {
+ struct uhid_create_req create;
+ struct uhid_input_req input;
+ struct uhid_output_req output;
+ struct uhid_output_ev_req output_ev;
+ struct uhid_feature_req feature;
+ struct uhid_feature_answer_req feature_answer;
+ } u;
+} __attribute__((__packed__));
+
+#endif /* __UHID_H_ */