/*
* Copyright (c) 2018 Citrix Systems Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_XEN_BUS_HELPER_H
#define HW_XEN_BUS_HELPER_H
#include "hw/xen/xen_common.h"
const char *xs_strstate(enum xenbus_state state);
void xs_node_create(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, struct xs_permissions perms[],
unsigned int nr_perms, Error **errp);
void xs_node_destroy(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, Error **errp);
/* Write to node/key unless node is empty, in which case write to key */
void xs_node_vprintf(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, const char *key, Error **errp,
const char *fmt, va_list ap)
GCC_FMT_ATTR(6, 0);
void xs_node_printf(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, const char *key, Error **errp,
const char *fmt, ...)
GCC_FMT_ATTR(6, 7);
/* Read from node/key unless node is empty, in which case read from key */
int xs_node_vscanf(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, const char *key, Error **errp,
const char *fmt, va_list ap);
int xs_node_scanf(struct xs_handle *xsh, xs_transaction_t tid,
const char *node, const char *key, Error **errp,
const char *fmt, ...);
/* Watch node/key unless node is empty, in which case watch key */
void xs_node_watch(struct xs_handle *xsh, const char *node, const char *key,
char *token, Error **errp);
void xs_node_unwatch(struct xs_handle *xsh, const char *node, const char *key,
const char *token, Error **errp);
#endif /* HW_XEN_BUS_HELPER_H */
