Lines Matching +full:tx +full:- +full:mailbox +full:- +full:count
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
87 /* 0 = default, 1 = force-on, 2 = force-off */
101 sc->debug = NHI_DEBUG_LEVEL; in nhi_get_tunables()
102 sc->max_ring_count = NHI_DEFAULT_NUM_RINGS; in nhi_get_tunables()
103 sc->force_hcm = NHI_FORCE_HCM; in nhi_get_tunables()
106 val = TB_GET_DEBUG(sc->dev, &sc->debug); in nhi_get_tunables()
110 ufp = devclass_get_device(dc, device_get_unit(sc->dev)); in nhi_get_tunables()
112 TB_GET_DEBUG(ufp, &sc->debug); in nhi_get_tunables()
116 tb_parse_debug(&sc->debug, oid); in nhi_get_tunables()
126 tb_parse_debug(&sc->debug, oid); in nhi_get_tunables()
129 sc->max_ring_count = max(val, 1); in nhi_get_tunables()
132 sc->force_hcm = val; in nhi_get_tunables()
137 device_get_unit(sc->dev)); in nhi_get_tunables()
139 tb_parse_debug(&sc->debug, oid); in nhi_get_tunables()
141 device_get_unit(sc->dev)); in nhi_get_tunables()
144 sc->max_ring_count = max(val, 1); in nhi_get_tunables()
147 device_get_unit(sc->dev)); in nhi_get_tunables()
149 sc->force_hcm = val; in nhi_get_tunables()
158 if (NHI_IS_USB4(sc) || (sc->force_hcm == NHI_FORCE_HCM_ON)) in nhi_configure_caps()
159 sc->caps |= NHI_CAP_HCM; in nhi_configure_caps()
160 if (sc->force_hcm == NHI_FORCE_HCM_OFF) in nhi_configure_caps()
161 sc->caps &= ~NHI_CAP_HCM; in nhi_configure_caps()
169 mtx_lock(&r->mtx); in nhi_alloc_tx_frame()
171 mtx_unlock(&r->mtx); in nhi_alloc_tx_frame()
179 mtx_lock(&r->mtx); in nhi_free_tx_frame()
181 mtx_unlock(&r->mtx); in nhi_free_tx_frame()
185 * Push a command and data dword through the mailbox to the firmware.
195 mtx_lock(&sc->nhi_mtx); in nhi_inmail_cmd()
200 if (sc->hwflags & NHI_MBOX_BUSY) { in nhi_inmail_cmd()
201 mtx_unlock(&sc->nhi_mtx); in nhi_inmail_cmd()
202 tb_debug(sc, DBG_MBOX, "Driver busy with mailbox\n"); in nhi_inmail_cmd()
205 sc->hwflags |= NHI_MBOX_BUSY; in nhi_inmail_cmd()
212 mtx_unlock(&sc->nhi_mtx); in nhi_inmail_cmd()
223 while (timeout--) { in nhi_inmail_cmd()
231 sc->hwflags &= ~NHI_MBOX_BUSY; in nhi_inmail_cmd()
232 mtx_unlock(&sc->nhi_mtx); in nhi_inmail_cmd()
236 tb_printf(sc, "Timeout waiting for mailbox\n"); in nhi_inmail_cmd()
240 tb_printf(sc, "Firmware reports error in mailbox\n"); in nhi_inmail_cmd()
248 * Pull command status and data from the firmware mailbox.
269 mtx_init(&sc->nhi_mtx, "nhimtx", "NHI Control Mutex", MTX_DEF); in nhi_attach()
274 * Get the number of TX/RX paths. This sizes some of the register in nhi_attach()
284 sc->path_count = val; in nhi_attach()
286 SLIST_INIT(&sc->ring_list); in nhi_attach()
292 nhi_configure_ring(sc, sc->ring0); in nhi_attach()
293 nhi_activate_ring(sc->ring0); in nhi_attach()
294 nhi_fill_rx_ring(sc, sc->ring0); in nhi_attach()
319 if (sc->root_rsc != NULL) in nhi_detach()
320 tb_router_detach(sc->root_rsc); in nhi_detach()
331 mtx_destroy(&sc->nhi_mtx); in nhi_detach()
359 if (ringnum >= sc->max_ring_count) { in nhi_alloc_ring()
375 r->sc = sc; in nhi_alloc_ring()
376 TAILQ_INIT(&r->tx_head); in nhi_alloc_ring()
377 TAILQ_INIT(&r->rx_head); in nhi_alloc_ring()
378 r->ring_num = ringnum; in nhi_alloc_ring()
379 r->tx_ring_depth = tx_depth; in nhi_alloc_ring()
380 r->tx_ring_mask = tx_depth - 1; in nhi_alloc_ring()
381 r->rx_ring_depth = rx_depth; in nhi_alloc_ring()
382 r->rx_ring_mask = rx_depth - 1; in nhi_alloc_ring()
383 r->rx_pici_reg = NHI_RX_RING_PICI + ringnum * 16; in nhi_alloc_ring()
384 r->tx_pici_reg = NHI_TX_RING_PICI + ringnum * 16; in nhi_alloc_ring()
385 r->rx_cmd_ring = (struct nhi_cmd_frame **)((uint8_t *)r + sizeof (*r)); in nhi_alloc_ring()
386 r->tx_cmd_ring = (struct nhi_cmd_frame **)((uint8_t *)r->rx_cmd_ring + in nhi_alloc_ring()
389 snprintf(r->name, NHI_RING_NAMELEN, "nhiring%d\n", ringnum); in nhi_alloc_ring()
390 mtx_init(&r->mtx, r->name, "NHI Ring Lock", MTX_DEF); in nhi_alloc_ring()
392 "mutex %p\n", r, &r->mtx); in nhi_alloc_ring()
394 /* Allocate the RX and TX buffer descriptor rings */ in nhi_alloc_ring()
395 ring_size = sizeof(struct nhi_tx_buffer_desc) * r->tx_ring_depth; in nhi_alloc_ring()
396 ring_size += sizeof(struct nhi_rx_buffer_desc) * r->rx_ring_depth; in nhi_alloc_ring()
400 bus_dma_template_init(&t, sc->parent_dmat); in nhi_alloc_ring()
404 if ((error = bus_dma_template_tag(&t, &r->ring_dmat)) != 0) { in nhi_alloc_ring()
409 if (bus_dmamem_alloc(r->ring_dmat, (void **)&ring, BUS_DMA_NOWAIT, in nhi_alloc_ring()
410 &r->ring_map)) { in nhi_alloc_ring()
415 bus_dmamap_load(r->ring_dmat, r->ring_map, ring, ring_size, in nhi_alloc_ring()
418 r->ring = ring; in nhi_alloc_ring()
420 r->tx_ring = (union nhi_ring_desc *)(ring); in nhi_alloc_ring()
421 r->tx_ring_busaddr = ring_busaddr; in nhi_alloc_ring()
422 ring += sizeof(struct nhi_tx_buffer_desc) * r->tx_ring_depth; in nhi_alloc_ring()
423 ring_busaddr += sizeof(struct nhi_tx_buffer_desc) * r->tx_ring_depth; in nhi_alloc_ring()
425 r->rx_ring = (union nhi_ring_desc *)(ring); in nhi_alloc_ring()
426 r->rx_ring_busaddr = ring_busaddr; in nhi_alloc_ring()
429 "TX %p [0x%jx]\n", ringnum, r->tx_ring, r->tx_ring_busaddr, in nhi_alloc_ring()
430 r->rx_ring, r->rx_ring_busaddr); in nhi_alloc_ring()
440 tb_debug(r->sc, DBG_INIT, "Freeing ring %d resources\n", r->ring_num); in nhi_free_ring()
443 if (r->tx_ring_busaddr != 0) { in nhi_free_ring()
444 bus_dmamap_unload(r->ring_dmat, r->ring_map); in nhi_free_ring()
445 r->tx_ring_busaddr = 0; in nhi_free_ring()
447 if (r->ring != NULL) { in nhi_free_ring()
448 bus_dmamem_free(r->ring_dmat, r->ring, r->ring_map); in nhi_free_ring()
449 r->ring = NULL; in nhi_free_ring()
451 if (r->ring_dmat != NULL) { in nhi_free_ring()
452 bus_dma_tag_destroy(r->ring_dmat); in nhi_free_ring()
453 r->ring_dmat = NULL; in nhi_free_ring()
455 mtx_destroy(&r->mtx); in nhi_free_ring()
463 while ((r = SLIST_FIRST(&sc->ring_list)) != NULL) { in nhi_free_rings()
465 mtx_lock(&sc->nhi_mtx); in nhi_free_rings()
466 SLIST_REMOVE_HEAD(&sc->ring_list, ring_link); in nhi_free_rings()
467 mtx_unlock(&sc->nhi_mtx); in nhi_free_rings()
481 idx = ring->ring_num * 16; in nhi_configure_ring()
483 /* Program the TX ring address and size */ in nhi_configure_ring()
484 busaddr = ring->tx_ring_busaddr; in nhi_configure_ring()
487 nhi_write_reg(sc, NHI_TX_RING_SIZE + idx, ring->tx_ring_depth); in nhi_configure_ring()
489 tb_debug(sc, DBG_INIT, "TX Ring %d TX_RING_SIZE= 0x%x\n", in nhi_configure_ring()
490 ring->ring_num, ring->tx_ring_depth); in nhi_configure_ring()
493 busaddr = ring->rx_ring_busaddr; in nhi_configure_ring()
494 val = (ring->rx_buffer_size << 16) | ring->rx_ring_depth; in nhi_configure_ring()
500 ring->ring_num, val); in nhi_configure_ring()
508 struct nhi_softc *sc = ring->sc; in nhi_activate_ring()
513 idx = ring->ring_num * 32; in nhi_activate_ring()
515 ring->ring_num, idx); in nhi_activate_ring()
527 struct nhi_softc *sc = r->sc; in nhi_deactivate_ring()
530 idx = r->ring_num * 32; in nhi_deactivate_ring()
532 r->ring_num, idx); in nhi_deactivate_ring()
536 idx = r->ring_num * 16; in nhi_deactivate_ring()
537 tb_debug(sc, DBG_INIT, "Setting ring %d sizes to 0\n", r->ring_num); in nhi_deactivate_ring()
561 r->rx_buffer_size = NHI_RING0_FRAME_SIZE;/* Control packets are small */ in nhi_alloc_ring0()
563 /* Allocate the RX and TX buffers that are used for Ring0 comms */ in nhi_alloc_ring0()
564 size = r->tx_ring_depth * NHI_RING0_FRAME_SIZE; in nhi_alloc_ring0()
565 size += r->rx_ring_depth * NHI_RING0_FRAME_SIZE; in nhi_alloc_ring0()
567 bus_dma_template_init(&t, sc->parent_dmat); in nhi_alloc_ring0()
570 if (bus_dma_template_tag(&t, &sc->ring0_dmat)) { in nhi_alloc_ring0()
575 if (bus_dmamem_alloc(sc->ring0_dmat, (void **)&frames, BUS_DMA_NOWAIT, in nhi_alloc_ring0()
576 &sc->ring0_map) != 0) { in nhi_alloc_ring0()
581 bus_dmamap_load(sc->ring0_dmat, sc->ring0_map, frames, size, in nhi_alloc_ring0()
583 sc->ring0_frames_busaddr = frames_busaddr; in nhi_alloc_ring0()
584 sc->ring0_frames = frames; in nhi_alloc_ring0()
587 sc->ring0_cmds = malloc(sizeof(struct nhi_cmd_frame) * in nhi_alloc_ring0()
588 (r->tx_ring_depth + r->rx_ring_depth), M_NHI, M_NOWAIT | M_ZERO); in nhi_alloc_ring0()
589 if (sc->ring0_cmds == NULL) in nhi_alloc_ring0()
593 mtx_lock(&r->mtx); in nhi_alloc_ring0()
594 for (i = 0; i < r->rx_ring_depth; i++) { in nhi_alloc_ring0()
595 cmd = &sc->ring0_cmds[i]; in nhi_alloc_ring0()
596 cmd->data = (uint32_t *)(frames + NHI_RING0_FRAME_SIZE * i); in nhi_alloc_ring0()
597 cmd->data_busaddr = frames_busaddr + NHI_RING0_FRAME_SIZE * i; in nhi_alloc_ring0()
598 cmd->flags = CMD_MAPPED; in nhi_alloc_ring0()
599 cmd->idx = i; in nhi_alloc_ring0()
600 TAILQ_INSERT_TAIL(&r->rx_head, cmd, cm_link); in nhi_alloc_ring0()
603 /* Inititalize the TX frames */ in nhi_alloc_ring0()
604 for ( ; i < r->tx_ring_depth + r->rx_ring_depth - 1; i++) { in nhi_alloc_ring0()
605 cmd = &sc->ring0_cmds[i]; in nhi_alloc_ring0()
606 cmd->data = (uint32_t *)(frames + NHI_RING0_FRAME_SIZE * i); in nhi_alloc_ring0()
607 cmd->data_busaddr = frames_busaddr + NHI_RING0_FRAME_SIZE * i; in nhi_alloc_ring0()
608 cmd->flags = CMD_MAPPED; in nhi_alloc_ring0()
609 cmd->idx = i; in nhi_alloc_ring0()
612 mtx_unlock(&r->mtx); in nhi_alloc_ring0()
616 trkr = &sc->intr_trackers[0]; in nhi_alloc_ring0()
617 trkr->ring = r; in nhi_alloc_ring0()
618 r->tracker = trkr; in nhi_alloc_ring0()
621 sc->ring0 = r; in nhi_alloc_ring0()
622 SLIST_INSERT_HEAD(&sc->ring_list, r, ring_link); in nhi_alloc_ring0()
630 if (sc->ring0_cmds != NULL) { in nhi_free_ring0()
631 free(sc->ring0_cmds, M_NHI); in nhi_free_ring0()
632 sc->ring0_cmds = NULL; in nhi_free_ring0()
635 if (sc->ring0_frames_busaddr != 0) { in nhi_free_ring0()
636 bus_dmamap_unload(sc->ring0_dmat, sc->ring0_map); in nhi_free_ring0()
637 sc->ring0_frames_busaddr = 0; in nhi_free_ring0()
640 if (sc->ring0_frames != NULL) { in nhi_free_ring0()
641 bus_dmamem_free(sc->ring0_dmat, sc->ring0_frames, in nhi_free_ring0()
642 sc->ring0_map); in nhi_free_ring0()
643 sc->ring0_frames = NULL; in nhi_free_ring0()
646 if (sc->ring0_dmat != NULL) in nhi_free_ring0()
647 bus_dma_tag_destroy(sc->ring0_dmat); in nhi_free_ring0()
660 rp->rx_ci = ci = 0; in nhi_fill_rx_ring()
661 rp->rx_pi = 0; in nhi_fill_rx_ring()
664 cmd = TAILQ_FIRST(&rp->rx_head); in nhi_fill_rx_ring()
667 TAILQ_REMOVE(&rp->rx_head, cmd, cm_link); in nhi_fill_rx_ring()
668 desc = &rp->rx_ring[ci].rx; in nhi_fill_rx_ring()
669 if ((cmd->flags & CMD_MAPPED) == 0) in nhi_fill_rx_ring()
672 desc->addr_lo = cmd->data_busaddr & 0xffffffff; in nhi_fill_rx_ring()
673 desc->addr_hi = (cmd->data_busaddr >> 32) & 0xffffffff; in nhi_fill_rx_ring()
674 desc->offset = 0; in nhi_fill_rx_ring()
675 desc->flags = RX_BUFFER_DESC_RS | RX_BUFFER_DESC_IE; in nhi_fill_rx_ring()
676 rp->rx_ci = ci; in nhi_fill_rx_ring()
677 rp->rx_cmd_ring[ci] = cmd; in nhi_fill_rx_ring()
680 rp->ring_num, ci, cmd, cmd->data_busaddr); in nhi_fill_rx_ring()
682 ci = (rp->rx_ci + 1) & rp->rx_ring_mask; in nhi_fill_rx_ring()
683 } while (ci != rp->rx_pi); in nhi_fill_rx_ring()
686 tb_debug(sc, DBG_RXQ, "Writing RX CI= %d\n", rp->rx_ci); in nhi_fill_rx_ring()
687 nhi_write_reg(sc, rp->rx_pici_reg, rp->rx_ci); in nhi_fill_rx_ring()
701 /* Set interrupt Auto-ACK */ in nhi_init()
705 tb_debug(sc, DBG_INIT, "Setting interrupt auto-ACK, 0x%08x\n", val); in nhi_init()
712 * Populate the controller (local) UUID, necessary for cross-domain in nhi_init()
729 sc->ich.ich_func = nhi_post_init; in nhi_init()
730 sc->ich.ich_arg = sc; in nhi_init()
731 error = config_intrhook_establish(&sc->ich); in nhi_init()
749 bzero(sc->lc_uuid, 16); in nhi_post_init()
750 error = tb_config_get_lc_uuid(sc->root_rsc, sc->lc_uuid); in nhi_post_init()
752 u = sc->lc_uuid; in nhi_post_init()
753 tb_printf(sc, "Root Router LC UUID: %02x%02x%02x%02x-" in nhi_post_init()
754 "%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", in nhi_post_init()
760 u = sc->uuid; in nhi_post_init()
761 tb_printf(sc, "Root Router UUID: %02x%02x%02x%02x-" in nhi_post_init()
762 "%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", in nhi_post_init()
766 config_intrhook_disestablish(&sc->ich); in nhi_post_init()
776 sc = r->sc; in nhi_tx_enqueue()
779 if (cmd->req_len > TX_BUFFER_DESC_LEN_MASK + 1) { in nhi_tx_enqueue()
780 tb_debug(sc, DBG_TXQ, "Error: TX frame too big\n"); in nhi_tx_enqueue()
783 cmd->req_len &= TX_BUFFER_DESC_LEN_MASK; in nhi_tx_enqueue()
785 mtx_lock(&r->mtx); in nhi_tx_enqueue()
786 desc = &r->tx_ring[r->tx_pi].tx; in nhi_tx_enqueue()
787 pi = (r->tx_pi + 1) & r->tx_ring_mask; in nhi_tx_enqueue()
788 if (pi == r->tx_ci) { in nhi_tx_enqueue()
789 mtx_unlock(&r->mtx); in nhi_tx_enqueue()
792 r->tx_cmd_ring[r->tx_pi] = cmd; in nhi_tx_enqueue()
793 r->tx_pi = pi; in nhi_tx_enqueue()
795 desc->addr_lo = htole32(cmd->data_busaddr & 0xffffffff); in nhi_tx_enqueue()
796 desc->addr_hi = htole32(cmd->data_busaddr >> 32); in nhi_tx_enqueue()
797 desc->eof_len = htole16((cmd->pdf << TX_BUFFER_DESC_EOF_SHIFT) | in nhi_tx_enqueue()
798 cmd->req_len); in nhi_tx_enqueue()
799 desc->flags_sof = cmd->pdf | TX_BUFFER_DESC_IE | TX_BUFFER_DESC_RS; in nhi_tx_enqueue()
800 desc->offset = 0; in nhi_tx_enqueue()
801 desc->payload_time = 0; in nhi_tx_enqueue()
804 "busaddr= 0x%jx\n", r->tx_pi, cmd->idx, cmd->req_len, in nhi_tx_enqueue()
805 cmd->data_busaddr); in nhi_tx_enqueue()
807 nhi_write_reg(sc, r->tx_pici_reg, pi << TX_RING_PI_SHIFT | r->tx_ci); in nhi_tx_enqueue()
808 mtx_unlock(&r->mtx); in nhi_tx_enqueue()
823 nhi_write_reg(r->sc, r->tx_pici_reg, r->tx_pi << TX_RING_PI_SHIFT | r->tx_ci); in nhi_tx_schedule()
830 int error, count; in nhi_tx_synchronous() local
835 if (cmd->flags & CMD_POLLED) { in nhi_tx_synchronous()
837 count = cmd->timeout * 100; in nhi_tx_synchronous()
840 while ((count-- > 0) && (cmd->flags & CMD_REQ_COMPLETE) == 0) { in nhi_tx_synchronous()
843 nhi_intr(r->tracker); in nhi_tx_synchronous()
846 error = msleep(cmd, &r->mtx, PCATCH, "nhi_tx", cmd->timeout); in nhi_tx_synchronous()
847 if ((error == 0) && (cmd->flags & CMD_REQ_COMPLETE) != 0) in nhi_tx_synchronous()
851 if ((cmd->flags & CMD_REQ_COMPLETE) == 0) in nhi_tx_synchronous()
854 tb_debug(r->sc, DBG_TXQ|DBG_FULL, "tx_synchronous done waiting, " in nhi_tx_synchronous()
856 !!(cmd->flags & CMD_REQ_COMPLETE)); in nhi_tx_synchronous()
859 tb_printf(r->sc, "TX command interrupted\n"); in nhi_tx_synchronous()
861 tb_printf(r->sc, "TX command timed out\n"); in nhi_tx_synchronous()
863 tb_printf(r->sc, "TX command failed error= %d\n", error); in nhi_tx_synchronous()
877 sc = r->sc; in nhi_tx_complete()
878 sof = desc->flags_sof & TX_BUFFER_DESC_SOF_MASK; in nhi_tx_complete()
879 tb_debug(sc, DBG_TXQ, "Recovered TX pdf= %s cmdidx= %d flags= 0x%x\n", in nhi_tx_complete()
880 tb_get_string(sof, nhi_frame_pdf), cmd->idx, desc->flags_sof); in nhi_tx_complete()
882 if ((desc->flags_sof & TX_BUFFER_DESC_DONE) == 0) in nhi_tx_complete()
884 "warning, TX descriptor DONE flag not set\n"); in nhi_tx_complete()
887 cmd->flags |= CMD_REQ_COMPLETE; in nhi_tx_complete()
889 txpdf = &r->tracker->txpdf[sof]; in nhi_tx_complete()
890 if (txpdf->cb != NULL) { in nhi_tx_complete()
891 tb_debug(sc, DBG_INTR|DBG_TXQ, "Calling PDF TX callback\n"); in nhi_tx_complete()
892 txpdf->cb(txpdf->context, (union nhi_ring_desc *)desc, cmd); in nhi_tx_complete()
896 tb_debug(sc, DBG_TXQ, "Unhandled TX complete %s\n", in nhi_tx_complete()
911 sc = r->sc; in nhi_rx_complete()
912 eof = desc->eof_len >> RX_BUFFER_DESC_EOF_SHIFT; in nhi_rx_complete()
913 len = desc->eof_len & RX_BUFFER_DESC_LEN_MASK; in nhi_rx_complete()
916 tb_get_string(eof, nhi_frame_pdf), len, cmd->idx, in nhi_rx_complete()
917 cmd->data_busaddr); in nhi_rx_complete()
919 rxpdf = &r->tracker->rxpdf[eof]; in nhi_rx_complete()
920 if (rxpdf->cb != NULL) { in nhi_rx_complete()
922 rxpdf->cb(rxpdf->context, (union nhi_ring_desc *)desc, cmd); in nhi_rx_complete()
933 nhi_register_pdf(struct nhi_ring_pair *rp, struct nhi_dispatch *tx, in nhi_register_pdf() argument
940 tb_debug(rp->sc, DBG_INTR|DBG_EXTRA, "nhi_register_pdf called\n"); in nhi_register_pdf()
942 trkr = rp->tracker; in nhi_register_pdf()
944 tb_debug(rp->sc, DBG_INTR, "Invalid tracker\n"); in nhi_register_pdf()
948 tb_debug(rp->sc, DBG_INTR|DBG_EXTRA, "Registering TX interrupts\n"); in nhi_register_pdf()
949 if (tx != NULL) { in nhi_register_pdf()
950 while (tx->cb != NULL) { in nhi_register_pdf()
951 if ((tx->pdf < 0) || (tx->pdf > 15)) in nhi_register_pdf()
953 slot = &trkr->txpdf[tx->pdf]; in nhi_register_pdf()
954 if (slot->cb != NULL) { in nhi_register_pdf()
955 tb_debug(rp->sc, DBG_INTR, in nhi_register_pdf()
959 slot->cb = tx->cb; in nhi_register_pdf()
960 slot->context = tx->context; in nhi_register_pdf()
961 tb_debug(rp->sc, DBG_INTR, in nhi_register_pdf()
962 "Registered TX callback for PDF %d\n", tx->pdf); in nhi_register_pdf()
963 tx++; in nhi_register_pdf()
967 tb_debug(rp->sc, DBG_INTR|DBG_EXTRA, "Registering RX interrupts\n"); in nhi_register_pdf()
969 while (rx->cb != NULL) { in nhi_register_pdf()
970 if ((rx->pdf < 0) || (rx->pdf > 15)) in nhi_register_pdf()
972 slot = &trkr->rxpdf[rx->pdf]; in nhi_register_pdf()
973 if (slot->cb != NULL) { in nhi_register_pdf()
974 tb_debug(rp->sc, DBG_INTR, in nhi_register_pdf()
978 slot->cb = rx->cb; in nhi_register_pdf()
979 slot->context = rx->context; in nhi_register_pdf()
980 tb_debug(rp->sc, DBG_INTR, in nhi_register_pdf()
981 "Registered RX callback for PDF %d\n", rx->pdf); in nhi_register_pdf()
990 nhi_deregister_pdf(struct nhi_ring_pair *rp, struct nhi_dispatch *tx, in nhi_deregister_pdf() argument
996 tb_debug(rp->sc, DBG_INTR|DBG_EXTRA, "nhi_register_pdf called\n"); in nhi_deregister_pdf()
998 trkr = rp->tracker; in nhi_deregister_pdf()
1000 if (tx != NULL) { in nhi_deregister_pdf()
1001 while (tx->cb != NULL) { in nhi_deregister_pdf()
1002 if ((tx->pdf < 0) || (tx->pdf > 15)) in nhi_deregister_pdf()
1004 slot = &trkr->txpdf[tx->pdf]; in nhi_deregister_pdf()
1005 slot->cb = NULL; in nhi_deregister_pdf()
1006 slot->context = NULL; in nhi_deregister_pdf()
1007 tx++; in nhi_deregister_pdf()
1012 while (rx->cb != NULL) { in nhi_deregister_pdf()
1013 if ((rx->pdf < 0) || (rx->pdf > 15)) in nhi_deregister_pdf()
1015 slot = &trkr->rxpdf[rx->pdf]; in nhi_deregister_pdf()
1016 slot->cb = NULL; in nhi_deregister_pdf()
1017 slot->context = NULL; in nhi_deregister_pdf()
1043 u_int count; in nhi_intr() local
1045 sc = trkr->sc; in nhi_intr()
1048 trkr->vector); in nhi_intr()
1049 if ((r = trkr->ring) == NULL) in nhi_intr()
1053 * Process TX completions from the adapter. Only go through in nhi_intr()
1056 count = r->tx_ring_depth; in nhi_intr()
1057 while (count-- > 0) { in nhi_intr()
1058 txd = &r->tx_ring[r->tx_ci].tx; in nhi_intr()
1059 if ((txd->flags_sof & TX_BUFFER_DESC_DONE) == 0) in nhi_intr()
1061 cmd = r->tx_cmd_ring[r->tx_ci]; in nhi_intr()
1063 "Found tx cmdidx= %d cmd= %p\n", r->tx_ci, cmd); in nhi_intr()
1077 txd->flags_sof = 0; in nhi_intr()
1078 r->tx_ci = (r->tx_ci + 1) & r->tx_ring_mask; in nhi_intr()
1082 count = r->rx_ring_depth; in nhi_intr()
1083 old_ci = r->rx_ci; in nhi_intr()
1085 while (count-- > 0) { in nhi_intr()
1087 "Checking RX descriptor at %d\n", r->rx_pi); in nhi_intr()
1090 rxd = &r->rx_ring[r->rx_pi]; in nhi_intr()
1092 "rx desc len= 0x%04x flags= 0x%04x\n", rxd->rxpost.eof_len, in nhi_intr()
1093 rxd->rxpost.flags_sof); in nhi_intr()
1094 if ((rxd->rxpost.flags_sof & RX_BUFFER_DESC_DONE) == 0) in nhi_intr()
1096 cmd = r->rx_cmd_ring[r->rx_pi]; in nhi_intr()
1098 "Found rx cmdidx= %d cmd= %p\n", r->rx_pi, cmd); in nhi_intr()
1101 * Pass the RX frame up the stack. RX frames are re-used in nhi_intr()
1102 * in-place, so their contents must be copied before this in nhi_intr()
1106 * re-use and re-populate policy in nhi_intr()
1108 nhi_rx_complete(r, &rxd->rxpost, cmd); in nhi_intr()
1116 rxd->rxpost.eof_len = 0; in nhi_intr()
1117 rxd->rx.flags = RX_BUFFER_DESC_RS | RX_BUFFER_DESC_IE; in nhi_intr()
1118 r->rx_ci = (r->rx_ci + 1) & r->rx_ring_mask; in nhi_intr()
1119 r->rx_pi = (r->rx_pi + 1) & r->rx_ring_mask; in nhi_intr()
1130 if (r->rx_ci != old_ci) { in nhi_intr()
1131 val = r->rx_pi << RX_RING_PI_SHIFT | r->rx_ci; in nhi_intr()
1134 nhi_write_reg(sc, r->rx_pici_reg, val); in nhi_intr()
1144 ctx = device_get_sysctl_ctx(sc->dev); in nhi_setup_sysctl()
1146 tree = device_get_sysctl_tree(sc->dev); in nhi_setup_sysctl()
1156 sc->sysctl_tree = tree; in nhi_setup_sysctl()
1157 sc->sysctl_ctx = ctx; in nhi_setup_sysctl()
1161 &sc->debug, 0, tb_debug_sysctl, "A", "Thunderbolt debug level"); in nhi_setup_sysctl()
1163 "max_rings", CTLFLAG_RD, &sc->max_ring_count, 0, in nhi_setup_sysctl()
1166 "force_hcm", CTLFLAG_RD, &sc->force_hcm, 0, in nhi_setup_sysctl()