include/hw/xen/xen_backend.h

   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 */
  17 extern xc_interface *xen_xc;
  18 extern xenforeignmemory_handle *xen_fmem;
  19 extern struct xs_handle *xenstore;
  20 extern const char *xen_protocol;
  21 extern DeviceState *xen_sysdev;
  22 extern BusState *xen_sysbus;
  23
  24 int xenstore_mkdir(char *path, int p);
  25 int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val);
  26 int xenstore_write_be_int(struct XenDevice *xendev, const char *node, int ival);
  27 int xenstore_write_be_int64(struct XenDevice *xendev, const char *node, int64_t ival);
  28 char *xenstore_read_be_str(struct XenDevice *xendev, const char *node);
  29 int xenstore_read_be_int(struct XenDevice *xendev, const char *node, int *ival);
  30 void xenstore_update_fe(char *watch, struct XenDevice *xendev);
  31 void xenstore_update_be(char *watch, char *type, int dom,
  32                         struct XenDevOps *ops);
  33 char *xenstore_read_fe_str(struct XenDevice *xendev, const char *node);
  34 int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival);
  35 int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node,
  36                             uint64_t *uval);
  37
  38 void xen_be_check_state(struct XenDevice *xendev);
  39
  40 /* xen backend driver bits */
  41 int xen_be_init(void);
  42 void xen_be_register_common(void);
  43 int xen_be_register(const char *type, struct XenDevOps *ops);
  44 int xen_be_set_state(struct XenDevice *xendev, enum xenbus_state state);
  45 int xen_be_bind_evtchn(struct XenDevice *xendev);
  46
  47 /* actual backend drivers */
  48 extern struct XenDevOps xen_console_ops;      /* xen_console.c     */
  49 extern struct XenDevOps xen_kbdmouse_ops;     /* xen_framebuffer.c */
  50 extern struct XenDevOps xen_framebuffer_ops;  /* xen_framebuffer.c */
  51 extern struct XenDevOps xen_blkdev_ops;       /* xen_disk.c        */
  52 extern struct XenDevOps xen_netdev_ops;       /* xen_nic.c         */
  53 #ifdef CONFIG_USB_LIBUSB
  54 extern struct XenDevOps xen_usb_ops;          /* xen-usb.c         */
  55 #endif
  56
  57 void xen_init_display(int domid);
  58
  59 /* configuration (aka xenbus setup) */
  60 void xen_config_cleanup(void);
  61 int xen_config_dev_blk(DriveInfo *disk);
  62 int xen_config_dev_nic(NICInfo *nic);
  63 int xen_config_dev_vfb(int vdev, const char *type);
  64 int xen_config_dev_vkbd(int vdev);
  65 int xen_config_dev_console(int vdev);
  66
  67 #endif /* QEMU_HW_XEN_BACKEND_H */