ppc/pnv: Add a HIOMAP erase command
[qemu.git] / include / hw / xen / xen-bus-helper.h
1 /*
2 * Copyright (c) 2018 Citrix Systems Inc.
3 *
4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8 #ifndef HW_XEN_BUS_HELPER_H
9 #define HW_XEN_BUS_HELPER_H
10
11 #include "hw/xen/xen_common.h"
12
13 const char *xs_strstate(enum xenbus_state state);
14
15 void xs_node_create(struct xs_handle *xsh, xs_transaction_t tid,
16 const char *node, struct xs_permissions perms[],
17 unsigned int nr_perms, Error **errp);
18 void xs_node_destroy(struct xs_handle *xsh, xs_transaction_t tid,
19 const char *node, Error **errp);
20
21 /* Write to node/key unless node is empty, in which case write to key */
22 void xs_node_vprintf(struct xs_handle *xsh, xs_transaction_t tid,
23 const char *node, const char *key, Error **errp,
24 const char *fmt, va_list ap)
25 GCC_FMT_ATTR(6, 0);
26 void xs_node_printf(struct xs_handle *xsh, xs_transaction_t tid,
27 const char *node, const char *key, Error **errp,
28 const char *fmt, ...)
29 GCC_FMT_ATTR(6, 7);
30
31 /* Read from node/key unless node is empty, in which case read from key */
32 int xs_node_vscanf(struct xs_handle *xsh, xs_transaction_t tid,
33 const char *node, const char *key, Error **errp,
34 const char *fmt, va_list ap);
35 int xs_node_scanf(struct xs_handle *xsh, xs_transaction_t tid,
36 const char *node, const char *key, Error **errp,
37 const char *fmt, ...);
38
39 /* Watch node/key unless node is empty, in which case watch key */
40 void xs_node_watch(struct xs_handle *xsh, const char *node, const char *key,
41 char *token, Error **errp);
42 void xs_node_unwatch(struct xs_handle *xsh, const char *node, const char *key,
43 const char *token, Error **errp);
44
45 #endif /* HW_XEN_BUS_HELPER_H */