| /* |
| * 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 */ |