1 /* $NetBSD: xenio3.h,v 1.3 2010/09/03 06:07:24 cegger Exp $ */ 2 /****************************************************************************** 3 * evtchn.h 4 * 5 * Interface to /dev/xen/evtchn. 6 * 7 * Copyright (c) 2003-2005, K A Fraser 8 * 9 * This file may be distributed separately from the Linux kernel, or 10 * incorporated into other software packages, subject to the following license: 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a copy 13 * of this source file (the "Software"), to deal in the Software without 14 * restriction, including without limitation the rights to use, copy, modify, 15 * merge, publish, distribute, sublicense, and/or sell copies of the Software, 16 * and to permit persons to whom the Software is furnished to do so, subject to 17 * the following conditions: 18 * 19 * The above copyright notice and this permission notice shall be included in 20 * all copies or substantial portions of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 28 * IN THE SOFTWARE. 29 */ 30 31 #ifndef __XEN_XENIO3_H__ 32 #define __XEN_XENIO3_H__ 33 34 /* 35 * Bind a fresh port to VIRQ @virq. 36 * Return allocated port. 37 */ 38 #define IOCTL_EVTCHN_BIND_VIRQ \ 39 _IOWR('E', 4, struct ioctl_evtchn_bind_virq) 40 struct ioctl_evtchn_bind_virq { 41 unsigned int virq; 42 unsigned int port; 43 }; 44 45 /* 46 * Bind a fresh port to remote <@remote_domain, @remote_port>. 47 * Return allocated port. 48 */ 49 #define IOCTL_EVTCHN_BIND_INTERDOMAIN \ 50 _IOWR('E', 5, struct ioctl_evtchn_bind_interdomain) 51 struct ioctl_evtchn_bind_interdomain { 52 unsigned int remote_domain, remote_port; 53 unsigned int port; 54 }; 55 56 /* 57 * Allocate a fresh port for binding to @remote_domain. 58 * Return allocated port. 59 */ 60 #define IOCTL_EVTCHN_BIND_UNBOUND_PORT \ 61 _IOWR('E', 6, struct ioctl_evtchn_bind_unbound_port) 62 struct ioctl_evtchn_bind_unbound_port { 63 unsigned int remote_domain; 64 unsigned int port; 65 }; 66 67 /* 68 * Unbind previously allocated @port. 69 */ 70 #define IOCTL_EVTCHN_UNBIND \ 71 _IOW('E', 7, struct ioctl_evtchn_unbind) 72 struct ioctl_evtchn_unbind { 73 unsigned int port; 74 }; 75 76 /* 77 * Send event to previously allocated @port. 78 */ 79 #define IOCTL_EVTCHN_NOTIFY \ 80 _IOW('E', 8, struct ioctl_evtchn_notify) 81 struct ioctl_evtchn_notify { 82 unsigned int port; 83 }; 84 85 /* Clear and reinitialise the event buffer. Clear error condition. */ 86 #define IOCTL_EVTCHN_RESET \ 87 _IO('E', 9) 88 89 #endif /* __XEN_XENIO3_H__ */ 90