dev/mpr/mprvar.h

223 typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
614 mpr_free_command(struct mpr_softc *sc, struct mpr_command *cm)
619 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY,
620 	    ("state not busy, state = %u\n", cm->cm_state));
622 	if (cm->cm_reply != NULL)
623 		mpr_free_reply(sc, cm->cm_reply_data);
624 	cm->cm_reply = NULL;
625 	cm->cm_flags = 0;
626 	cm->cm_complete = NULL;
627 	cm->cm_complete_data = NULL;
628 	cm->cm_ccb = NULL;
629 	cm->cm_targ = NULL;
630 	cm->cm_max_segs = 0;
631 	cm->cm_lun = 0;
632 	cm->cm_state = MPR_CM_STATE_FREE;
633 	cm->cm_data = NULL;
634 	cm->cm_length = 0;
635 	cm->cm_out_len = 0;
636 	cm->cm_sglsize = 0;
637 	cm->cm_sge = NULL;
639 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
640 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
643 	TAILQ_FOREACH_SAFE(prp_page, &cm->cm_prp_page_list, prp_page_link,
645 		TAILQ_REMOVE(&cm->cm_prp_page_list, prp_page, prp_page_link);
648 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
654 	struct mpr_command *cm;
656 	cm = TAILQ_FIRST(&sc->req_list);
657 	if (cm == NULL)
660 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
661 	    ("mpr: Allocating busy command, state = %u\n", cm->cm_state));
663 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
664 	cm->cm_state = MPR_CM_STATE_BUSY;
665 	cm->cm_timeout_handler = NULL;
666 	return (cm);
672 mpr_free_high_priority_command(struct mpr_softc *sc, struct mpr_command *cm)
676 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY,
677 	    ("state not busy, state = %u\n", cm->cm_state));
679 	if (cm->cm_reply != NULL)
680 		mpr_free_reply(sc, cm->cm_reply_data);
681 	cm->cm_reply = NULL;
682 	cm->cm_flags = 0;
683 	cm->cm_complete = NULL;
684 	cm->cm_complete_data = NULL;
685 	cm->cm_ccb = NULL;
686 	cm->cm_targ = NULL;
687 	cm->cm_lun = 0;
688 	cm->cm_state = MPR_CM_STATE_FREE;
689 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
690 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
693 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
702 	struct mpr_command *cm;
704 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
705 	if (cm == NULL)
708 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
709 	    ("mpr: Allocating busy command, state = %u\n", cm->cm_state));
711 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
712 	cm->cm_state = MPR_CM_STATE_BUSY;
713 	cm->cm_timeout_handler = NULL;
714 	cm->cm_desc.HighPriority.RequestFlags =
716 	return (cm);
826 void mpr_build_nvme_prp(struct mpr_softc *sc, struct mpr_command *cm,
838 void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
844 int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
845 int mpr_wait_command(struct mpr_softc *sc, struct mpr_command **cm, int timeout,
847 int mpr_request_polled(struct mpr_softc *sc, struct mpr_command **cm);