Lines Matching refs:shadow
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_query_foreign_access(shadow->gref[i]))) { in scsifront_gnttab_done()
241 gnttab_end_foreign_access(shadow->gref[i], 0, 0UL); in scsifront_gnttab_done()
244 kfree(shadow->sg); in scsifront_gnttab_done()
250 struct vscsifrnt_shadow *shadow; in scsifront_cdb_cmd_done() local
256 shadow = info->shadow[id]; in scsifront_cdb_cmd_done()
257 sc = shadow->sc; in scsifront_cdb_cmd_done()
261 scsifront_gnttab_done(info, shadow); in scsifront_cdb_cmd_done()
281 struct vscsifrnt_shadow *shadow = info->shadow[id]; in scsifront_sync_cmd_done() local
285 shadow->wait_reset = 1; in scsifront_sync_cmd_done()
286 switch (shadow->rslt_reset) { in scsifront_sync_cmd_done()
288 shadow->rslt_reset = ring_rsp->rslt; in scsifront_sync_cmd_done()
293 kfree(shadow); in scsifront_sync_cmd_done()
300 shadow->rslt_reset, id); in scsifront_sync_cmd_done()
305 wake_up(&shadow->wq_reset); in scsifront_sync_cmd_done()
316 if (info->shadow[ring_rsp->rqid]->act == VSCSIIF_ACT_SCSI_CDB) in scsifront_do_response()
394 struct vscsifrnt_shadow *shadow) in map_data_for_request() argument
419 shadow->sg = kcalloc(data_grants, in map_data_for_request()
421 if (!shadow->sg) in map_data_for_request()
424 seg = shadow->sg ? : shadow->seg; in map_data_for_request()
429 kfree(shadow->sg); in map_data_for_request()
448 shadow->gref[ref_cnt] = ref; in map_data_for_request()
449 shadow->seg[ref_cnt].gref = ref; in map_data_for_request()
450 shadow->seg[ref_cnt].offset = (uint16_t)off; in map_data_for_request()
451 shadow->seg[ref_cnt].length = (uint16_t)bytes; in map_data_for_request()
484 shadow->gref[ref_cnt] = ref; in map_data_for_request()
499 shadow->nr_segments = VSCSIIF_SG_GRANT | seg_grants; in map_data_for_request()
501 shadow->nr_segments = (uint8_t)ref_cnt; in map_data_for_request()
502 shadow->nr_grants = ref_cnt; in map_data_for_request()
532 struct vscsifrnt_shadow *shadow = scsi_cmd_priv(sc); in scsifront_queuecommand() local
538 shadow->sc = sc; in scsifront_queuecommand()
539 shadow->act = VSCSIIF_ACT_SCSI_CDB; in scsifront_queuecommand()
547 err = map_data_for_request(info, sc, shadow); in scsifront_queuecommand()
559 if (scsifront_do_request(info, shadow)) { in scsifront_queuecommand()
560 scsifront_gnttab_done(info, shadow); in scsifront_queuecommand()
585 struct vscsifrnt_shadow *shadow, *s = scsi_cmd_priv(sc); in scsifront_action_handler() local
588 shadow = kzalloc(sizeof(*shadow), GFP_NOIO); in scsifront_action_handler()
589 if (!shadow) in scsifront_action_handler()
592 shadow->act = act; in scsifront_action_handler()
593 shadow->rslt_reset = RSLT_RESET_WAITING; in scsifront_action_handler()
594 shadow->sc = sc; in scsifront_action_handler()
595 shadow->ref_rqid = s->rqid; in scsifront_action_handler()
596 init_waitqueue_head(&shadow->wq_reset); in scsifront_action_handler()
604 if (!scsifront_do_request(info, shadow)) in scsifront_action_handler()
618 err = wait_event_interruptible(shadow->wq_reset, shadow->wait_reset); in scsifront_action_handler()
622 err = shadow->rslt_reset; in scsifront_action_handler()
623 scsifront_put_rqid(info, shadow->rqid); in scsifront_action_handler()
624 kfree(shadow); in scsifront_action_handler()
627 shadow->rslt_reset = RSLT_RESET_ERR; in scsifront_action_handler()
638 kfree(shadow); in scsifront_action_handler()