121 	struct vscsifrnt_shadow *shadow[VSCSIIF_MAX_REQS];  member
163 	info->shadow[id] = NULL;  in _scsifront_put_rqid()
182 				struct vscsifrnt_shadow *shadow)  in scsifront_do_request()  argument
186 	struct scsi_cmnd *sc = shadow->sc;  in scsifront_do_request()
197 	info->shadow[id] = shadow;  in scsifront_do_request()
198 	shadow->rqid = id;  in scsifront_do_request()
204 	ring_req->act         = shadow->act;  in scsifront_do_request()
205 	ring_req->ref_rqid    = shadow->ref_rqid;  in scsifront_do_request()
206 	ring_req->nr_segments = shadow->nr_segments;  in scsifront_do_request()
220 	for (i = 0; i < (shadow->nr_segments & ~VSCSIIF_SG_GRANT); i++)  in scsifront_do_request()
221 		ring_req->seg[i] = shadow->seg[i];  in scsifront_do_request()
223 	shadow->inflight = true;  in scsifront_do_request()
240 				  struct vscsifrnt_shadow *shadow)  in scsifront_gnttab_done()  argument
244 	if (shadow->sc->sc_data_direction == DMA_NONE)  in scsifront_gnttab_done()
247 	for (i = 0; i < shadow->nr_grants; i++) {  in scsifront_gnttab_done()
248 		if (unlikely(!gnttab_try_end_foreign_access(shadow->gref[i]))) {  in scsifront_gnttab_done()
254 	kfree(shadow->sg);  in scsifront_gnttab_done()
302 	struct vscsifrnt_shadow *shadow;  in scsifront_cdb_cmd_done()  local
308 	shadow = info->shadow[id];  in scsifront_cdb_cmd_done()
309 	sc = shadow->sc;  in scsifront_cdb_cmd_done()
313 	scsifront_gnttab_done(info, shadow);  in scsifront_cdb_cmd_done()
336 	struct vscsifrnt_shadow *shadow = info->shadow[id];  in scsifront_sync_cmd_done()  local
340 	shadow->wait_reset = 1;  in scsifront_sync_cmd_done()
341 	switch (shadow->rslt_reset) {  in scsifront_sync_cmd_done()
344 			shadow->rslt_reset = SUCCESS;  in scsifront_sync_cmd_done()
346 			shadow->rslt_reset = FAILED;  in scsifront_sync_cmd_done()
351 		kfree(shadow);  in scsifront_sync_cmd_done()
361 	wake_up(&shadow->wq_reset);  in scsifront_sync_cmd_done()
367 	struct vscsifrnt_shadow *shadow;  in scsifront_do_response()  local
370 	    !info->shadow[ring_rsp->rqid]->inflight) {  in scsifront_do_response()
374 	shadow = info->shadow[ring_rsp->rqid];  in scsifront_do_response()
375 	shadow->inflight = false;  in scsifront_do_response()
377 	if (shadow->act == VSCSIIF_ACT_SCSI_CDB)  in scsifront_do_response()
472 				struct vscsifrnt_shadow *shadow)  in map_data_for_request()  argument
497 		shadow->sg = kcalloc(data_grants,  in map_data_for_request()
499 		if (!shadow->sg)  in map_data_for_request()
502 	seg = shadow->sg ? : shadow->seg;  in map_data_for_request()
507 		kfree(shadow->sg);  in map_data_for_request()
526 			shadow->gref[ref_cnt] = ref;  in map_data_for_request()
527 			shadow->seg[ref_cnt].gref   = ref;  in map_data_for_request()
528 			shadow->seg[ref_cnt].offset = (uint16_t)off;  in map_data_for_request()
529 			shadow->seg[ref_cnt].length = (uint16_t)bytes;  in map_data_for_request()
562 			shadow->gref[ref_cnt] = ref;  in map_data_for_request()
577 		shadow->nr_segments = VSCSIIF_SG_GRANT | seg_grants;  in map_data_for_request()
579 		shadow->nr_segments = (uint8_t)ref_cnt;  in map_data_for_request()
580 	shadow->nr_grants = ref_cnt;  in map_data_for_request()
610 	struct vscsifrnt_shadow *shadow = scsi_cmd_priv(sc);  in scsifront_queuecommand()  local
619 	shadow->sc  = sc;  in scsifront_queuecommand()
620 	shadow->act = VSCSIIF_ACT_SCSI_CDB;  in scsifront_queuecommand()
628 	err = map_data_for_request(info, sc, shadow);  in scsifront_queuecommand()
640 	if (scsifront_do_request(info, shadow)) {  in scsifront_queuecommand()
641 		scsifront_gnttab_done(info, shadow);  in scsifront_queuecommand()
666 	struct vscsifrnt_shadow *shadow, *s = scsi_cmd_priv(sc);  in scsifront_action_handler()  local
672 	shadow = kzalloc(sizeof(*shadow), GFP_NOIO);  in scsifront_action_handler()
673 	if (!shadow)  in scsifront_action_handler()
676 	shadow->act = act;  in scsifront_action_handler()
677 	shadow->rslt_reset = RSLT_RESET_WAITING;  in scsifront_action_handler()
678 	shadow->sc = sc;  in scsifront_action_handler()
679 	shadow->ref_rqid = s->rqid;  in scsifront_action_handler()
680 	init_waitqueue_head(&shadow->wq_reset);  in scsifront_action_handler()
688 		if (!scsifront_do_request(info, shadow))  in scsifront_action_handler()
702 	err = wait_event_interruptible(shadow->wq_reset, shadow->wait_reset);  in scsifront_action_handler()
706 		err = shadow->rslt_reset;  in scsifront_action_handler()
707 		scsifront_put_rqid(info, shadow->rqid);  in scsifront_action_handler()
708 		kfree(shadow);  in scsifront_action_handler()
711 		shadow->rslt_reset = RSLT_RESET_ERR;  in scsifront_action_handler()
722 	kfree(shadow);  in scsifront_action_handler()