210 typedef struct xdf {  struct
211 	dev_info_t	*xdf_dip;  argument
212 	char		*xdf_addr;  argument
213 	ddi_iblock_cookie_t xdf_ibc; /* mutex iblock cookie */  argument
214 	domid_t		xdf_peer; /* otherend's dom ID */  argument
215 	xendev_ring_t	*xdf_xb_ring; /* I/O ring buffer */  argument
216 	ddi_acc_handle_t xdf_xb_ring_hdl; /* access handler for ring buffer */  argument
217 	list_t		xdf_vreq_act; /* active vreq list */  argument
218 	buf_t		*xdf_f_act; /* active buf list head */  argument
219 	buf_t		*xdf_l_act; /* active buf list tail */  argument
220 	buf_t		*xdf_i_act; /* active buf list index */  argument
221 	xdf_state_t	xdf_state; /* status of this virtual disk */  argument
222 	boolean_t	xdf_suspending;  argument
223 	ulong_t		xdf_vd_open[OTYPCNT];  argument
224 	ulong_t		xdf_vd_lyropen[XDF_PEXT];  argument
225 	ulong_t		xdf_connect_req;  argument
226 	kthread_t	*xdf_connect_thread;  argument
227 	ulong_t		xdf_vd_exclopen;  argument
228 	kmutex_t	xdf_iostat_lk; /* muxes lock for the iostat ptr */  argument
229 	kmutex_t	xdf_dev_lk; /* mutex lock for I/O path */  argument
230 	kmutex_t	xdf_cb_lk; /* mutex lock for event handling path */  argument
231 	kcondvar_t	xdf_dev_cv; /* cv used in I/O path */  argument
232 	uint_t		xdf_dinfo; /* disk info from backend xenstore */  argument
233 	diskaddr_t	xdf_xdev_nblocks; /* total size in block */  argument
234 	uint_t		xdf_xdev_secsize; /* disk blksize from backend */  argument
235 	cmlb_geom_t	xdf_pgeom;  argument
236 	boolean_t	xdf_pgeom_set;  argument
237 	boolean_t	xdf_pgeom_fixed;  argument
238 	kstat_t		*xdf_xdev_iostat;  argument
239 	cmlb_handle_t	xdf_vd_lbl;  argument
240 	ddi_softintr_t	xdf_softintr_id;  argument
241 	timeout_id_t	xdf_timeout_id;  argument
242 	struct gnttab_free_callback xdf_gnt_callback;  argument
243 	boolean_t	xdf_feature_barrier;  argument
244 	boolean_t	xdf_flush_supported;  argument
245 	boolean_t	xdf_media_req_supported;  argument
246 	boolean_t	xdf_wce;  argument
247 	boolean_t	xdf_cmlb_reattach;  argument
248 	char		*xdf_flush_mem;  argument
249 	char		*xdf_cache_flush_block;  argument
250 	int		xdf_evtchn;  argument
251 	enum dkio_state	xdf_mstate;  argument
252 	kcondvar_t	xdf_mstate_cv;  argument
253 	kcondvar_t	xdf_hp_status_cv;  argument
254 	struct buf	*xdf_ready_bp;  argument
255 	ddi_taskq_t	*xdf_ready_tq;  argument
256 	kthread_t	*xdf_ready_tq_thread;  argument
257 	struct buf	*xdf_ready_tq_bp;  argument
258 	ddi_devid_t	xdf_tgt_devid;  argument
260 	int		xdf_dmacallback_num;  argument
261 	kthread_t	*xdf_oe_change_thread;  argument