include/hw/xen/xen-backend.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_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 bool xen_backend_exists(const char *type, const char *name);
  37 void xen_backend_device_create(XenBus *xenbus, const char *type,
  38                                const char *name, QDict *opts, Error **errp);
  39 bool xen_backend_try_device_destroy(XenDevice *xendev, Error **errp);
  40
  41 #endif /* HW_XEN_BACKEND_H */