Initial evemu commit

Evemu is a kernel device and emulator, which allows for remote
creation and testing of arbitrary devices.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 65 insertions, 0 deletions

diff --git a/include/evemu.h b/include/evemu.h
new file mode 100644
index 0000000..70a5bd5
--- /dev/null
+++ b/include/evemu.h
@@ -0,0 +1,65 @@
+/*****************************************************************************
+ *
+ * evemu - Kernel device emulation
+ *
+ * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
+ * Copyright (C) 2010 Canonical Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ ****************************************************************************/
+
+#ifndef _EVPLAY_H
+#define _EVPLAY_H
+
+#include <linux/uinput.h>
+#include <stdio.h>
+
+#define EVPLAY_NBITS    KEY_CNT
+#define EVPLAY_NBYTES   ((EVPLAY_NBITS + 7) / 8)
+
+struct evemu_device {
+        char name[UINPUT_MAX_NAME_SIZE];
+        struct input_id id;
+        unsigned char mask[EV_CNT][EVPLAY_NBYTES];
+        int bytes[EV_CNT];
+        struct input_absinfo abs[ABS_CNT];
+};
+
+static inline int evemu_has(const struct evemu_device *dev,
+                             int type, int code)
+{
+        return (dev->mask[type][code >> 3] >> (code & 7)) & 1;
+}
+
+int evemu_extract(struct evemu_device *dev, int fd);
+int evemu_write(const struct evemu_device *dev, FILE *fp);
+int evemu_read(struct evemu_device *dev, FILE *fp);
+
+int evemu_write_event(FILE *fp, const struct input_event *ev);
+int evemu_read_event(FILE *fp, struct input_event *ev);
+
+int evemu_record(FILE *fp, int fd, int ms);
+int evemu_play(FILE *fp, int fd);
+
+int evemu_create(const struct evemu_device *dev, int fd);
+void evemu_destroy(int fd);
+
+#endif