cpp-d1064d

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

diff --git a/i686-linux-gnu-4.7/usr/include/linux/uhid.h b/i686-linux-gnu-4.7/usr/include/linux/uhid.h
new file mode 100644 (file)
index 0000000..a2fb544
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/uhid.h
@@ -0,0 +1,200 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+#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>
+#include <linux/hid.h>
+
+enum uhid_event_type {
+       __UHID_LEGACY_CREATE,
+       UHID_DESTROY,
+       UHID_START,
+       UHID_STOP,
+       UHID_OPEN,
+       UHID_CLOSE,
+       UHID_OUTPUT,
+       __UHID_LEGACY_OUTPUT_EV,
+       __UHID_LEGACY_INPUT,
+       UHID_GET_REPORT,
+       UHID_GET_REPORT_REPLY,
+       UHID_CREATE2,
+       UHID_INPUT2,
+       UHID_SET_REPORT,
+       UHID_SET_REPORT_REPLY,
+};
+
+struct uhid_create2_req {
+       __u8 name[128];
+       __u8 phys[64];
+       __u8 uniq[64];
+       __u16 rd_size;
+       __u16 bus;
+       __u32 vendor;
+       __u32 product;
+       __u32 version;
+       __u32 country;
+       __u8 rd_data[HID_MAX_DESCRIPTOR_SIZE];
+} __attribute__((__packed__));
+
+enum uhid_dev_flag {
+       UHID_DEV_NUMBERED_FEATURE_REPORTS                       = (1ULL << 0),
+       UHID_DEV_NUMBERED_OUTPUT_REPORTS                        = (1ULL << 1),
+       UHID_DEV_NUMBERED_INPUT_REPORTS                         = (1ULL << 2),
+};
+
+struct uhid_start_req {
+       __u64 dev_flags;
+};
+
+#define UHID_DATA_MAX 4096
+
+enum uhid_report_type {
+       UHID_FEATURE_REPORT,
+       UHID_OUTPUT_REPORT,
+       UHID_INPUT_REPORT,
+};
+
+struct uhid_input2_req {
+       __u16 size;
+       __u8 data[UHID_DATA_MAX];
+} __attribute__((__packed__));
+
+struct uhid_output_req {
+       __u8 data[UHID_DATA_MAX];
+       __u16 size;
+       __u8 rtype;
+} __attribute__((__packed__));
+
+struct uhid_get_report_req {
+       __u32 id;
+       __u8 rnum;
+       __u8 rtype;
+} __attribute__((__packed__));
+
+struct uhid_get_report_reply_req {
+       __u32 id;
+       __u16 err;
+       __u16 size;
+       __u8 data[UHID_DATA_MAX];
+} __attribute__((__packed__));
+
+struct uhid_set_report_req {
+       __u32 id;
+       __u8 rnum;
+       __u8 rtype;
+       __u16 size;
+       __u8 data[UHID_DATA_MAX];
+} __attribute__((__packed__));
+
+struct uhid_set_report_reply_req {
+       __u32 id;
+       __u16 err;
+} __attribute__((__packed__));
+
+/*
+ * Compat Layer
+ * All these commands and requests are obsolete. You should avoid using them in
+ * new code. We support them for backwards-compatibility, but you might not get
+ * access to new feature in case you use them.
+ */
+
+enum uhid_legacy_event_type {
+       UHID_CREATE                     = __UHID_LEGACY_CREATE,
+       UHID_OUTPUT_EV                  = __UHID_LEGACY_OUTPUT_EV,
+       UHID_INPUT                      = __UHID_LEGACY_INPUT,
+       UHID_FEATURE                    = UHID_GET_REPORT,
+       UHID_FEATURE_ANSWER             = UHID_GET_REPORT_REPLY,
+};
+
+/* Obsolete! Use UHID_CREATE2. */
+struct uhid_create_req {
+       __u8 name[128];
+       __u8 phys[64];
+       __u8 uniq[64];
+       __u8 *rd_data;
+       __u16 rd_size;
+
+       __u16 bus;
+       __u32 vendor;
+       __u32 product;
+       __u32 version;
+       __u32 country;
+} __attribute__((__packed__));
+
+/* Obsolete! Use UHID_INPUT2. */
+struct uhid_input_req {
+       __u8 data[UHID_DATA_MAX];
+       __u16 size;
+} __attribute__((__packed__));
+
+/* Obsolete! Kernel uses UHID_OUTPUT exclusively now. */
+struct uhid_output_ev_req {
+       __u16 type;
+       __u16 code;
+       __s32 value;
+} __attribute__((__packed__));
+
+/* Obsolete! Kernel uses ABI compatible UHID_GET_REPORT. */
+struct uhid_feature_req {
+       __u32 id;
+       __u8 rnum;
+       __u8 rtype;
+} __attribute__((__packed__));
+
+/* Obsolete! Use ABI compatible UHID_GET_REPORT_REPLY. */
+struct uhid_feature_answer_req {
+       __u32 id;
+       __u16 err;
+       __u16 size;
+       __u8 data[UHID_DATA_MAX];
+} __attribute__((__packed__));
+
+/*
+ * UHID Events
+ * All UHID events from and to the kernel are encoded as "struct uhid_event".
+ * The "type" field contains a UHID_* type identifier. All payload depends on
+ * that type and can be accessed via ev->u.XYZ accordingly.
+ * If user-space writes short events, they're extended with 0s by the kernel. If
+ * the kernel writes short events, user-space shall extend them with 0s.
+ */
+
+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_get_report_req get_report;
+               struct uhid_feature_answer_req feature_answer;
+               struct uhid_get_report_reply_req get_report_reply;
+               struct uhid_create2_req create2;
+               struct uhid_input2_req input2;
+               struct uhid_set_report_req set_report;
+               struct uhid_set_report_reply_req set_report_reply;
+               struct uhid_start_req start;
+       } u;
+} __attribute__((__packed__));
+
+#endif /* __UHID_H_ */