d2fb4c51c7
Add an ioctl to the /dev/xen/xenbus_backend device allowing the xenbus backend to be started after the kernel has booted. This allows xenstore to run in a different domain from the dom0. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
|
|
* 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);
|
|
int xs_input_avail(void);
|
|
extern struct xenstore_domain_interface *xen_store_interface;
|
|
extern int xen_store_evtchn;
|
|
|
|
extern const struct file_operations xen_xenbus_fops;
|
|
|
|
#endif /* _XENBUS_COMMS_H */
|