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49 lines
1.4 KiB
49 lines
1.4 KiB
7 years ago
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/*
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* vservices/ioctl.h - Interface to service character devices
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*
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* Copyright (c) 2016, Cog Systems Pty Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __LINUX_PUBLIC_VSERVICES_IOCTL_H__
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#define __LINUX_PUBLIC_VSERVICES_IOCTL_H__
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#include <linux/types.h>
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#include <linux/compiler.h>
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/* ioctls that work on any opened service device */
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#define IOCTL_VS_RESET_SERVICE _IO('4', 0)
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#define IOCTL_VS_GET_NAME _IOR('4', 1, char[16])
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#define IOCTL_VS_GET_PROTOCOL _IOR('4', 2, char[32])
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/*
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* Claim a device for user I/O (if no kernel driver is attached). The claim
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* persists until the char device is closed.
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*/
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struct vs_ioctl_bind {
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__u32 send_quota;
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__u32 recv_quota;
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__u32 send_notify_bits;
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__u32 recv_notify_bits;
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size_t msg_size;
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};
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#define IOCTL_VS_BIND_CLIENT _IOR('4', 3, struct vs_ioctl_bind)
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#define IOCTL_VS_BIND_SERVER _IOWR('4', 4, struct vs_ioctl_bind)
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/* send and receive messages and notifications */
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#define IOCTL_VS_NOTIFY _IOW('4', 5, __u32)
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struct vs_ioctl_iovec {
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union {
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__u32 iovcnt; /* input */
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__u32 notify_bits; /* output (recv only) */
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};
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struct iovec *iov;
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};
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#define IOCTL_VS_SEND _IOW('4', 6, struct vs_ioctl_iovec)
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#define IOCTL_VS_RECV _IOWR('4', 7, struct vs_ioctl_iovec)
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#endif /* __LINUX_PUBLIC_VSERVICES_IOCTL_H__ */
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