diff options
Diffstat (limited to 'include/hw/xen/xen-bus-helper.h')
-rw-r--r-- | include/hw/xen/xen-bus-helper.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/hw/xen/xen-bus-helper.h b/include/hw/xen/xen-bus-helper.h new file mode 100644 index 000000000..4c0f74744 --- /dev/null +++ b/include/hw/xen/xen-bus-helper.h @@ -0,0 +1,45 @@ +/* + * 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 */ |