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094a2239 PD |
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) | |
9edc6313 | 25 | G_GNUC_PRINTF(6, 0); |
094a2239 PD |
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, ...) | |
9edc6313 | 29 | G_GNUC_PRINTF(6, 7); |
094a2239 PD |
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 | ||
82a29e30 PD |
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 | ||
094a2239 | 45 | #endif /* HW_XEN_BUS_HELPER_H */ |