118 	struct vscsifrnt_shadow *shadow[VSCSIIF_MAX_REQS];  member
160 	info->shadow[id] = NULL;  in _scsifront_put_rqid()
179 				struct vscsifrnt_shadow *shadow)  in scsifront_do_request()  argument
183 	struct scsi_cmnd *sc = shadow->sc;  in scsifront_do_request()
194 	info->shadow[id] = shadow;  in scsifront_do_request()
195 	shadow->rqid = id;  in scsifront_do_request()
201 	ring_req->act         = shadow->act;  in scsifront_do_request()
202 	ring_req->ref_rqid    = shadow->ref_rqid;  in scsifront_do_request()
203 	ring_req->nr_segments = shadow->nr_segments;  in scsifront_do_request()
217 	for (i = 0; i < (shadow->nr_segments & ~VSCSIIF_SG_GRANT); i++)  in scsifront_do_request()
218 		ring_req->seg[i] = shadow->seg[i];  in scsifront_do_request()
228 				  struct vscsifrnt_shadow *shadow)  in scsifront_gnttab_done()  argument
232 	if (shadow->sc->sc_data_direction == DMA_NONE)  in scsifront_gnttab_done()
235 	for (i = 0; i < shadow->nr_grants; i++) {  in scsifront_gnttab_done()
236 		if (unlikely(!gnttab_try_end_foreign_access(shadow->gref[i]))) {  in scsifront_gnttab_done()
243 	kfree(shadow->sg);  in scsifront_gnttab_done()
249 	struct vscsifrnt_shadow *shadow;  in scsifront_cdb_cmd_done()  local
255 	shadow = info->shadow[id];  in scsifront_cdb_cmd_done()
256 	sc = shadow->sc;  in scsifront_cdb_cmd_done()
260 	scsifront_gnttab_done(info, shadow);  in scsifront_cdb_cmd_done()
280 	struct vscsifrnt_shadow *shadow = info->shadow[id];  in scsifront_sync_cmd_done()  local
284 	shadow->wait_reset = 1;  in scsifront_sync_cmd_done()
285 	switch (shadow->rslt_reset) {  in scsifront_sync_cmd_done()
287 		shadow->rslt_reset = ring_rsp->rslt;  in scsifront_sync_cmd_done()
292 		kfree(shadow);  in scsifront_sync_cmd_done()
299 			     shadow->rslt_reset, id);  in scsifront_sync_cmd_done()
304 	wake_up(&shadow->wq_reset);  in scsifront_sync_cmd_done()
315 	if (info->shadow[ring_rsp->rqid]->act == VSCSIIF_ACT_SCSI_CDB)  in scsifront_do_response()
393 				struct vscsifrnt_shadow *shadow)  in map_data_for_request()  argument
418 		shadow->sg = kcalloc(data_grants,  in map_data_for_request()
420 		if (!shadow->sg)  in map_data_for_request()
423 	seg = shadow->sg ? : shadow->seg;  in map_data_for_request()
428 		kfree(shadow->sg);  in map_data_for_request()
447 			shadow->gref[ref_cnt] = ref;  in map_data_for_request()
448 			shadow->seg[ref_cnt].gref   = ref;  in map_data_for_request()
449 			shadow->seg[ref_cnt].offset = (uint16_t)off;  in map_data_for_request()
450 			shadow->seg[ref_cnt].length = (uint16_t)bytes;  in map_data_for_request()
483 			shadow->gref[ref_cnt] = ref;  in map_data_for_request()
498 		shadow->nr_segments = VSCSIIF_SG_GRANT | seg_grants;  in map_data_for_request()
500 		shadow->nr_segments = (uint8_t)ref_cnt;  in map_data_for_request()
501 	shadow->nr_grants = ref_cnt;  in map_data_for_request()
531 	struct vscsifrnt_shadow *shadow = scsi_cmd_priv(sc);  in scsifront_queuecommand()  local
537 	shadow->sc  = sc;  in scsifront_queuecommand()
538 	shadow->act = VSCSIIF_ACT_SCSI_CDB;  in scsifront_queuecommand()
546 	err = map_data_for_request(info, sc, shadow);  in scsifront_queuecommand()
558 	if (scsifront_do_request(info, shadow)) {  in scsifront_queuecommand()
559 		scsifront_gnttab_done(info, shadow);  in scsifront_queuecommand()
584 	struct vscsifrnt_shadow *shadow, *s = scsi_cmd_priv(sc);  in scsifront_action_handler()  local
587 	shadow = kzalloc(sizeof(*shadow), GFP_NOIO);  in scsifront_action_handler()
588 	if (!shadow)  in scsifront_action_handler()
591 	shadow->act = act;  in scsifront_action_handler()
592 	shadow->rslt_reset = RSLT_RESET_WAITING;  in scsifront_action_handler()
593 	shadow->sc = sc;  in scsifront_action_handler()
594 	shadow->ref_rqid = s->rqid;  in scsifront_action_handler()
595 	init_waitqueue_head(&shadow->wq_reset);  in scsifront_action_handler()
603 		if (!scsifront_do_request(info, shadow))  in scsifront_action_handler()
617 	err = wait_event_interruptible(shadow->wq_reset, shadow->wait_reset);  in scsifront_action_handler()
621 		err = shadow->rslt_reset;  in scsifront_action_handler()
622 		scsifront_put_rqid(info, shadow->rqid);  in scsifront_action_handler()
623 		kfree(shadow);  in scsifront_action_handler()
626 		shadow->rslt_reset = RSLT_RESET_ERR;  in scsifront_action_handler()
637 	kfree(shadow);  in scsifront_action_handler()