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