LXR qemu/include/hw/xen/xen

   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/* variables */
  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/* xen backend driver bits */
  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/* actual backend drivers */
  47extern struct XenDevOps xen_console_ops;      /* xen_console.c     */
  48extern struct XenDevOps xen_kbdmouse_ops;     /* xen_framebuffer.c */
  49extern struct XenDevOps xen_framebuffer_ops;  /* xen_framebuffer.c */
  50extern struct XenDevOps xen_blkdev_ops;       /* xen_disk.c        */
  51#ifdef CONFIG_VIRTFS
  52extern struct XenDevOps xen_9pfs_ops;       /* xen-9p-backend.c        */
  53#endif
  54extern struct XenDevOps xen_netdev_ops;       /* xen_nic.c         */
  55#ifdef CONFIG_USB_LIBUSB
  56extern struct XenDevOps xen_usb_ops;          /* xen-usb.c         */
  57#endif
  58
  59/* configuration (aka xenbus setup) */
  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 /* QEMU_HW_XEN_BACKEND_H */
  68