Add ps2emu ebuild.

[gentoo-draconx.git] / app-misc / ps2emu / files / userio.h

diff --git a/app-misc/ps2emu/files/userio.h b/app-misc/ps2emu/files/userio.h
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+++ b/app-misc/ps2emu/files/userio.h
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+/*
+ * userio.h
+ * Copyright (C) 2015 Red Hat
+ * Copyright (C) 2015 Lyude (Stephen Chandler Paul) <cpaul@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * This is the public header used for user-space communication with the userio
+ * driver. __attribute__((__packed__)) is used  for all structs to keep ABI
+ * compatibility between all architectures.
+ */
+
+#ifndef _USERIO_H
+#define _USERIO_H
+
+#include <linux/types.h>
+
+#define USERIO_CMD_REGISTER            0
+#define USERIO_CMD_SET_PORT_TYPE       1
+#define USERIO_CMD_SEND_INTERRUPT      2
+
+/*
+ * userio Commands
+ * All commands sent to /dev/userio are encoded using this structure. The type
+ * field should contain a USERIO_CMD* value that indicates what kind of command
+ * is being sent to userio. The data field should contain the accompanying
+ * argument for the command, if there is one.
+ */
+struct userio_cmd {
+       __u8 type;
+       __u8 data;
+} __attribute__((__packed__));
+
+#endif /* !_USERIO_H */