1*843e1988Sjohnlev /****************************************************************************** 2*843e1988Sjohnlev * evtchn.h 3*843e1988Sjohnlev * 4*843e1988Sjohnlev * Interface to /dev/xen/evtchn. 5*843e1988Sjohnlev * 6*843e1988Sjohnlev * Copyright (c) 2003-2005, K A Fraser 7*843e1988Sjohnlev * 8*843e1988Sjohnlev * This file may be distributed separately from the Linux kernel, or 9*843e1988Sjohnlev * incorporated into other software packages, subject to the following license: 10*843e1988Sjohnlev * 11*843e1988Sjohnlev * Permission is hereby granted, free of charge, to any person obtaining a copy 12*843e1988Sjohnlev * of this source file (the "Software"), to deal in the Software without 13*843e1988Sjohnlev * restriction, including without limitation the rights to use, copy, modify, 14*843e1988Sjohnlev * merge, publish, distribute, sublicense, and/or sell copies of the Software, 15*843e1988Sjohnlev * and to permit persons to whom the Software is furnished to do so, subject to 16*843e1988Sjohnlev * the following conditions: 17*843e1988Sjohnlev * 18*843e1988Sjohnlev * The above copyright notice and this permission notice shall be included in 19*843e1988Sjohnlev * all copies or substantial portions of the Software. 20*843e1988Sjohnlev * 21*843e1988Sjohnlev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22*843e1988Sjohnlev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23*843e1988Sjohnlev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 24*843e1988Sjohnlev * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25*843e1988Sjohnlev * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 26*843e1988Sjohnlev * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 27*843e1988Sjohnlev * IN THE SOFTWARE. 28*843e1988Sjohnlev */ 29*843e1988Sjohnlev 30*843e1988Sjohnlev /* 31*843e1988Sjohnlev * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 32*843e1988Sjohnlev * Use is subject to license terms. 33*843e1988Sjohnlev */ 34*843e1988Sjohnlev 35*843e1988Sjohnlev #ifndef _XEN_SYS_EVTCHN_H 36*843e1988Sjohnlev #define _XEN_SYS_EVTCHN_H 37*843e1988Sjohnlev 38*843e1988Sjohnlev #define _IOC_NONE 0 39*843e1988Sjohnlev #define _IOC(flag, letter, inum, size) ((letter) << 8 | (inum)) 40*843e1988Sjohnlev 41*843e1988Sjohnlev /* 42*843e1988Sjohnlev * Bind a fresh port to VIRQ @virq. 43*843e1988Sjohnlev * Return allocated port. 44*843e1988Sjohnlev */ 45*843e1988Sjohnlev #define IOCTL_EVTCHN_BIND_VIRQ \ 46*843e1988Sjohnlev _IOC(_IOC_NONE, 'E', 0, sizeof(struct ioctl_evtchn_bind_virq)) 47*843e1988Sjohnlev struct ioctl_evtchn_bind_virq { 48*843e1988Sjohnlev unsigned int virq; 49*843e1988Sjohnlev }; 50*843e1988Sjohnlev 51*843e1988Sjohnlev /* 52*843e1988Sjohnlev * Bind a fresh port to remote <@remote_domain, @remote_port>. 53*843e1988Sjohnlev * Return allocated port. 54*843e1988Sjohnlev */ 55*843e1988Sjohnlev #define IOCTL_EVTCHN_BIND_INTERDOMAIN \ 56*843e1988Sjohnlev _IOC(_IOC_NONE, 'E', 1, sizeof(struct ioctl_evtchn_bind_interdomain)) 57*843e1988Sjohnlev struct ioctl_evtchn_bind_interdomain { 58*843e1988Sjohnlev unsigned int remote_domain, remote_port; 59*843e1988Sjohnlev }; 60*843e1988Sjohnlev 61*843e1988Sjohnlev /* 62*843e1988Sjohnlev * Allocate a fresh port for binding to @remote_domain. 63*843e1988Sjohnlev * Return allocated port. 64*843e1988Sjohnlev */ 65*843e1988Sjohnlev #define IOCTL_EVTCHN_BIND_UNBOUND_PORT \ 66*843e1988Sjohnlev _IOC(_IOC_NONE, 'E', 2, sizeof(struct ioctl_evtchn_bind_unbound_port)) 67*843e1988Sjohnlev struct ioctl_evtchn_bind_unbound_port { 68*843e1988Sjohnlev unsigned int remote_domain; 69*843e1988Sjohnlev }; 70*843e1988Sjohnlev 71*843e1988Sjohnlev /* 72*843e1988Sjohnlev * Unbind previously allocated @port. 73*843e1988Sjohnlev */ 74*843e1988Sjohnlev #define IOCTL_EVTCHN_UNBIND \ 75*843e1988Sjohnlev _IOC(_IOC_NONE, 'E', 3, sizeof(struct ioctl_evtchn_unbind)) 76*843e1988Sjohnlev struct ioctl_evtchn_unbind { 77*843e1988Sjohnlev unsigned int port; 78*843e1988Sjohnlev }; 79*843e1988Sjohnlev 80*843e1988Sjohnlev /* 81*843e1988Sjohnlev * Notify the given @port. 82*843e1988Sjohnlev */ 83*843e1988Sjohnlev #define IOCTL_EVTCHN_NOTIFY \ 84*843e1988Sjohnlev _IOC(_IOC_NONE, 'E', 4, sizeof(struct ioctl_evtchn_notify)) 85*843e1988Sjohnlev struct ioctl_evtchn_notify { 86*843e1988Sjohnlev unsigned int port; 87*843e1988Sjohnlev }; 88*843e1988Sjohnlev 89*843e1988Sjohnlev #endif /* _XEN_SYS_EVTCHN_H */ 90*843e1988Sjohnlev 91*843e1988Sjohnlev /* 92*843e1988Sjohnlev * Local variables: 93*843e1988Sjohnlev * c-file-style: "solaris" 94*843e1988Sjohnlev * indent-tabs-mode: t 95*843e1988Sjohnlev * c-indent-level: 8 96*843e1988Sjohnlev * c-basic-offset: 8 97*843e1988Sjohnlev * tab-width: 8 98*843e1988Sjohnlev * End: 99*843e1988Sjohnlev */ 100