xref: /openbmc/qemu/include/hw/xen/xen-backend.h (revision e6b5a071)
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_BACKEND_H
9 #define HW_XEN_BACKEND_H
10 
11 #include "hw/xen/xen-bus.h"
12 
13 typedef struct XenBackendInstance XenBackendInstance;
14 
15 typedef void (*XenBackendDeviceCreate)(XenBackendInstance *backend,
16                                        QDict *opts, Error **errp);
17 typedef void (*XenBackendDeviceDestroy)(XenBackendInstance *backend,
18                                         Error **errp);
19 
20 typedef struct XenBackendInfo {
21     const char *type;
22     XenBackendDeviceCreate create;
23     XenBackendDeviceDestroy destroy;
24 } XenBackendInfo;
25 
26 XenBus *xen_backend_get_bus(XenBackendInstance *backend);
27 const char *xen_backend_get_name(XenBackendInstance *backend);
28 
29 void xen_backend_set_device(XenBackendInstance *backend,
30                             XenDevice *xendevice);
31 XenDevice *xen_backend_get_device(XenBackendInstance *backend);
32 
33 void xen_backend_register(const XenBackendInfo *info);
34 const char **xen_backend_get_types(unsigned int *nr);
35 
36 void xen_backend_device_create(XenBus *xenbus, const char *type,
37                                const char *name, QDict *opts, Error **errp);
38 bool xen_backend_try_device_destroy(XenDevice *xendev, Error **errp);
39 
40 #endif /* HW_XEN_BACKEND_H */
41