1 /* $NetBSD: xenbus_comms.h,v 1.6 2011/09/20 00:12:25 jym Exp $ */ 2 /* 3 * Private include for xenbus communications. 4 * 5 * Copyright (C) 2005 Rusty Russell, IBM Corporation 6 * 7 * This file may be distributed separately from the Linux kernel, or 8 * incorporated into other software packages, subject to the following license: 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a copy 11 * of this source file (the "Software"), to deal in the Software without 12 * restriction, including without limitation the rights to use, copy, modify, 13 * merge, publish, distribute, sublicense, and/or sell copies of the Software, 14 * and to permit persons to whom the Software is furnished to do so, subject to 15 * the following conditions: 16 * 17 * The above copyright notice and this permission notice shall be included in 18 * all copies or substantial portions of the Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 26 * IN THE SOFTWARE. 27 */ 28 29 #ifndef _XENBUS_COMMS_H 30 #define _XENBUS_COMMS_H 31 32 void xenbus_kernfs_init(void); 33 int xs_init(device_t dev); 34 int xb_init_comms(device_t dev); 35 void xb_suspend_comms(device_t dev); 36 void xb_resume_comms(device_t dev); 37 38 /* Low level routines. */ 39 int xb_write(const void *data, unsigned len); 40 int xb_read(void *data, unsigned len); 41 int xs_input_avail(void); 42 43 extern struct xenstore_domain_interface *xenstore_interface; 44 45 #endif /* _XENBUS_COMMS_H */ 46 47 /* 48 * Local variables: 49 * c-file-style: "linux" 50 * indent-tabs-mode: t 51 * c-indent-level: 8 52 * c-basic-offset: 8 53 * tab-width: 8 54 * End: 55 */ 56