1#ifndef QEMU_HW_XEN_BACKEND_H
2#define QEMU_HW_XEN_BACKEND_H
3
4#include "hw/xen/xen_common.h"
5#include "hw/xen/xen_pvdev.h"
6#include "sysemu/sysemu.h"
7#include "net/net.h"
8
9#define TYPE_XENSYSDEV "xen-sysdev"
10#define TYPE_XENSYSBUS "xen-sysbus"
11#define TYPE_XENBACKEND "xen-backend"
12
13#define XENBACKEND_DEVICE(obj) \
14 OBJECT_CHECK(XenDevice, (obj), TYPE_XENBACKEND)
15
16
17extern struct xs_handle *xenstore;
18extern const char *xen_protocol;
19extern bool xen_feature_grant_copy;
20extern DeviceState *xen_sysdev;
21extern BusState *xen_sysbus;
22
23int xenstore_mkdir(char *path, int p);
24int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val);
25int xenstore_write_be_int(struct XenDevice *xendev, const char *node, int ival);
26int xenstore_write_be_int64(struct XenDevice *xendev, const char *node, int64_t ival);
27char *xenstore_read_be_str(struct XenDevice *xendev, const char *node);
28int xenstore_read_be_int(struct XenDevice *xendev, const char *node, int *ival);
29void xenstore_update_fe(char *watch, struct XenDevice *xendev);
30void xenstore_update_be(char *watch, char *type, int dom,
31 struct XenDevOps *ops);
32char *xenstore_read_fe_str(struct XenDevice *xendev, const char *node);
33int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival);
34int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node,
35 uint64_t *uval);
36
37void xen_be_check_state(struct XenDevice *xendev);
38
39
40int xen_be_init(void);
41void xen_be_register_common(void);
42int xen_be_register(const char *type, struct XenDevOps *ops);
43int xen_be_set_state(struct XenDevice *xendev, enum xenbus_state state);
44int xen_be_bind_evtchn(struct XenDevice *xendev);
45
46
47extern struct XenDevOps xen_console_ops;
48extern struct XenDevOps xen_kbdmouse_ops;
49extern struct XenDevOps xen_framebuffer_ops;
50extern struct XenDevOps xen_blkdev_ops;
51#ifdef CONFIG_VIRTFS
52extern struct XenDevOps xen_9pfs_ops;
53#endif
54extern struct XenDevOps xen_netdev_ops;
55#ifdef CONFIG_USB_LIBUSB
56extern struct XenDevOps xen_usb_ops;
57#endif
58
59
60void xen_config_cleanup(void);
61int xen_config_dev_blk(DriveInfo *disk);
62int xen_config_dev_nic(NICInfo *nic);
63int xen_config_dev_vfb(int vdev, const char *type);
64int xen_config_dev_vkbd(int vdev);
65int xen_config_dev_console(int vdev);
66
67#endif
68