diff options
Diffstat (limited to 'hw/xen_backend.h')
-rw-r--r-- | hw/xen_backend.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/hw/xen_backend.h b/hw/xen_backend.h deleted file mode 100644 index d04b985d10..0000000000 --- a/hw/xen_backend.h +++ /dev/null @@ -1,109 +0,0 @@ -#ifndef QEMU_HW_XEN_BACKEND_H -#define QEMU_HW_XEN_BACKEND_H 1 - -#include "hw/xen_common.h" -#include "sysemu/sysemu.h" -#include "net/net.h" - -/* ------------------------------------------------------------- */ - -#define XEN_BUFSIZE 1024 - -struct XenDevice; - -/* driver uses grant tables -> open gntdev device (xendev->gnttabdev) */ -#define DEVOPS_FLAG_NEED_GNTDEV 1 -/* don't expect frontend doing correct state transitions (aka console quirk) */ -#define DEVOPS_FLAG_IGNORE_STATE 2 - -struct XenDevOps { - size_t size; - uint32_t flags; - void (*alloc)(struct XenDevice *xendev); - int (*init)(struct XenDevice *xendev); - int (*initialise)(struct XenDevice *xendev); - void (*connected)(struct XenDevice *xendev); - void (*event)(struct XenDevice *xendev); - void (*disconnect)(struct XenDevice *xendev); - int (*free)(struct XenDevice *xendev); - void (*backend_changed)(struct XenDevice *xendev, const char *node); - void (*frontend_changed)(struct XenDevice *xendev, const char *node); -}; - -struct XenDevice { - const char *type; - int dom; - int dev; - char name[64]; - int debug; - - enum xenbus_state be_state; - enum xenbus_state fe_state; - int online; - char be[XEN_BUFSIZE]; - char *fe; - char *protocol; - int remote_port; - int local_port; - - XenEvtchn evtchndev; - XenGnttab gnttabdev; - - struct XenDevOps *ops; - QTAILQ_ENTRY(XenDevice) next; -}; - -/* ------------------------------------------------------------- */ - -/* variables */ -extern XenXC xen_xc; -extern struct xs_handle *xenstore; -extern const char *xen_protocol; - -/* xenstore helper functions */ -int xenstore_write_str(const char *base, const char *node, const char *val); -int xenstore_write_int(const char *base, const char *node, int ival); -int xenstore_write_int64(const char *base, const char *node, int64_t ival); -char *xenstore_read_str(const char *base, const char *node); -int xenstore_read_int(const char *base, const char *node, int *ival); - -int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val); -int xenstore_write_be_int(struct XenDevice *xendev, const char *node, int ival); -int xenstore_write_be_int64(struct XenDevice *xendev, const char *node, int64_t ival); -char *xenstore_read_be_str(struct XenDevice *xendev, const char *node); -int xenstore_read_be_int(struct XenDevice *xendev, const char *node, int *ival); -char *xenstore_read_fe_str(struct XenDevice *xendev, const char *node); -int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival); - -const char *xenbus_strstate(enum xenbus_state state); -struct XenDevice *xen_be_find_xendev(const char *type, int dom, int dev); -void xen_be_check_state(struct XenDevice *xendev); - -/* xen backend driver bits */ -int xen_be_init(void); -int xen_be_register(const char *type, struct XenDevOps *ops); -int xen_be_set_state(struct XenDevice *xendev, enum xenbus_state state); -int xen_be_bind_evtchn(struct XenDevice *xendev); -void xen_be_unbind_evtchn(struct XenDevice *xendev); -int xen_be_send_notify(struct XenDevice *xendev); -void xen_be_printf(struct XenDevice *xendev, int msg_level, const char *fmt, ...) - GCC_FMT_ATTR(3, 4); - -/* actual backend drivers */ -extern struct XenDevOps xen_console_ops; /* xen_console.c */ -extern struct XenDevOps xen_kbdmouse_ops; /* xen_framebuffer.c */ -extern struct XenDevOps xen_framebuffer_ops; /* xen_framebuffer.c */ -extern struct XenDevOps xen_blkdev_ops; /* xen_disk.c */ -extern struct XenDevOps xen_netdev_ops; /* xen_nic.c */ - -void xen_init_display(int domid); - -/* configuration (aka xenbus setup) */ -void xen_config_cleanup(void); -int xen_config_dev_blk(DriveInfo *disk); -int xen_config_dev_nic(NICInfo *nic); -int xen_config_dev_vfb(int vdev, const char *type); -int xen_config_dev_vkbd(int vdev); -int xen_config_dev_console(int vdev); - -#endif /* QEMU_HW_XEN_BACKEND_H */ |