| /* |
| * Private include for xenbus communications. |
| * |
| * Copyright (C) 2005 Rusty Russell, IBM Corporation |
| * |
| * 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; or, when distributed |
| * separately from the Linux kernel or incorporated into other |
| * software packages, subject to the following license: |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this source file (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, modify, |
| * merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| * and to permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef _XENBUS_COMMS_H |
| #define _XENBUS_COMMS_H |
| |
| #include <linux/fs.h> |
| |
| int xs_init(void); |
| int xb_init_comms(void); |
| void xb_deinit_comms(void); |
| |
| /* Low level routines. */ |
| int xb_write(const void *data, unsigned len); |
| int xb_read(void *data, unsigned len); |
| int xb_data_to_read(void); |
| int xb_wait_for_data_to_read(void); |
| extern struct xenstore_domain_interface *xen_store_interface; |
| extern int xen_store_evtchn; |
| extern enum xenstore_init xen_store_domain_type; |
| |
| extern const struct file_operations xen_xenbus_fops; |
| |
| #endif /* _XENBUS_COMMS_H */ |