1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
122     pci, nhi, nhi_identifiers, nitems(nhi_identifiers) - 1);
129 	for (n = nhi_identifiers; n->vendor != 0; n++) {  in nhi_find_ident()
130 		if (n->vendor != pci_get_vendor(dev))  in nhi_find_ident()
132 		if (n->device != pci_get_device(dev))  in nhi_find_ident()
134 		if ((n->subvendor != 0xffff) &&  in nhi_find_ident()
135 		    (n->subvendor != pci_get_subvendor(dev)))  in nhi_find_ident()
137 		if ((n->subdevice != 0xffff) &&  in nhi_find_ident()
138 		    (n->subdevice != pci_get_subdevice(dev)))  in nhi_find_ident()
154 		device_set_desc(dev, n->desc);  in nhi_pci_probe()
171 	sc->dev = dev;  in nhi_pci_attach()
173 	sc->hwflags = n->flags;  in nhi_pci_attach()
181 	sc->ufp = NULL;  in nhi_pci_attach()
182 	if ((TB_FIND_UFP(dev, &sc->ufp) != 0) || (sc->ufp == NULL)) {  in nhi_pci_attach()
185 			sc->ufp = devclass_get_device(dc, device_get_unit(dev));  in nhi_pci_attach()
187 	if (sc->ufp == NULL)  in nhi_pci_attach()
188 		tb_printf(sc, "Cannot find Upstream Facing Port\n");  in nhi_pci_attach()
190 		tb_printf(sc, "Upstream Facing Port is %s\n",  in nhi_pci_attach()
191 		    device_get_nameunit(sc->ufp));  in nhi_pci_attach()
200 	sc->regs_rid = PCIR_BAR(0);  in nhi_pci_attach()
201 	if ((sc->regs_resource = bus_alloc_resource_any(dev,  in nhi_pci_attach()
202 	    SYS_RES_MEMORY, &sc->regs_rid, RF_ACTIVE)) == NULL) {  in nhi_pci_attach()
206 	sc->regs_btag = rman_get_bustag(sc->regs_resource);  in nhi_pci_attach()
207 	sc->regs_bhandle = rman_get_bushandle(sc->regs_resource);  in nhi_pci_attach()
211 	if (bus_dma_template_tag(&t, &sc->parent_dmat) != 0) {  in nhi_pci_attach()
221 		nhi_pci_detach(sc->dev);  in nhi_pci_attach()
258 	if (sc->parent_dmat != NULL) {  in nhi_pci_free()
259 		bus_dma_tag_destroy(sc->parent_dmat);  in nhi_pci_free()
260 		sc->parent_dmat = NULL;  in nhi_pci_free()
263 	if (sc->regs_resource != NULL) {  in nhi_pci_free()
264 		bus_release_resource(sc->dev, SYS_RES_MEMORY,  in nhi_pci_free()
265 		    sc->regs_rid, sc->regs_resource);  in nhi_pci_free()
266 		sc->regs_resource = NULL;  in nhi_pci_free()
277 	/* Map the Pending Bit Array and Vector Table BARs for MSI-X */  in nhi_pci_allocate_interrupts()
278 	sc->irq_pba_rid = pci_msix_pba_bar(sc->dev);  in nhi_pci_allocate_interrupts()
279 	sc->irq_table_rid = pci_msix_table_bar(sc->dev);  in nhi_pci_allocate_interrupts()
281 	if (sc->irq_pba_rid != -1)  in nhi_pci_allocate_interrupts()
282 		sc->irq_pba = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,  in nhi_pci_allocate_interrupts()
283 		    &sc->irq_pba_rid, RF_ACTIVE);  in nhi_pci_allocate_interrupts()
284 	if (sc->irq_table_rid != -1)  in nhi_pci_allocate_interrupts()
285 		sc->irq_table = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,  in nhi_pci_allocate_interrupts()
286 		    &sc->irq_table_rid, RF_ACTIVE);  in nhi_pci_allocate_interrupts()
288 	msgs = pci_msix_count(sc->dev);  in nhi_pci_allocate_interrupts()
290 	    "Counted %d MSI-X messages\n", msgs);  in nhi_pci_allocate_interrupts()
295 		    "MSI-X interrupts\n", msgs);  in nhi_pci_allocate_interrupts()
296 		error = pci_alloc_msix(sc->dev, &msgs);  in nhi_pci_allocate_interrupts()
306 	sc->msix_count = msgs;  in nhi_pci_allocate_interrupts()
315 	for (i = 0; i < sc->msix_count; i++) {  in nhi_pci_free_interrupts()
316 		bus_teardown_intr(sc->dev, sc->irqs[i], sc->intrhand[i]);  in nhi_pci_free_interrupts()
317 		bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irq_rid[i],  in nhi_pci_free_interrupts()
318 		    sc->irqs[i]);  in nhi_pci_free_interrupts()
321 	pci_release_msi(sc->dev);  in nhi_pci_free_interrupts()
323 	if (sc->irq_table != NULL) {  in nhi_pci_free_interrupts()
324 		bus_release_resource(sc->dev, SYS_RES_MEMORY,  in nhi_pci_free_interrupts()
325 		    sc->irq_table_rid, sc->irq_table);  in nhi_pci_free_interrupts()
326 		sc->irq_table = NULL;  in nhi_pci_free_interrupts()
329 	if (sc->irq_pba != NULL) {  in nhi_pci_free_interrupts()
330 		bus_release_resource(sc->dev, SYS_RES_MEMORY,  in nhi_pci_free_interrupts()
331 		    sc->irq_pba_rid, sc->irq_pba);  in nhi_pci_free_interrupts()
332 		sc->irq_pba = NULL;  in nhi_pci_free_interrupts()
335 	if (sc->intr_trackers != NULL)  in nhi_pci_free_interrupts()
336 		free(sc->intr_trackers, M_NHI);  in nhi_pci_free_interrupts()
348 	sc->intr_trackers = malloc(sizeof(struct nhi_intr_tracker) *  in nhi_pci_configure_interrupts()
349 	    sc->msix_count, M_NHI, M_ZERO | M_NOWAIT);  in nhi_pci_configure_interrupts()
350 	if (sc->intr_trackers == NULL) {  in nhi_pci_configure_interrupts()
355 	for (i = 0; i < sc->msix_count; i++) {  in nhi_pci_configure_interrupts()
357 		trkr = &sc->intr_trackers[i];  in nhi_pci_configure_interrupts()
358 		trkr->sc = sc;  in nhi_pci_configure_interrupts()
359 		trkr->ring = NULL;  in nhi_pci_configure_interrupts()
360 		trkr->vector = i;  in nhi_pci_configure_interrupts()
362 		sc->irq_rid[i] = rid;  in nhi_pci_configure_interrupts()
363 		sc->irqs[i] = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ,  in nhi_pci_configure_interrupts()
364 			&sc->irq_rid[i], RF_ACTIVE);  in nhi_pci_configure_interrupts()
365 		if (sc->irqs[i] == NULL) {  in nhi_pci_configure_interrupts()
368 			    sc->irq_rid[i]);  in nhi_pci_configure_interrupts()
371 		error = bus_setup_intr(sc->dev, sc->irqs[i], INTR_TYPE_BIO |  in nhi_pci_configure_interrupts()
372 		    INTR_MPSAFE, NULL, nhi_intr, trkr, &sc->intrhand[i]);  in nhi_pci_configure_interrupts()
375 			    "cannot setup interrupt RID %d\n", sc->irq_rid[i]);  in nhi_pci_configure_interrupts()
380 	tb_debug(sc, DBG_INIT, "Set up %d interrupts\n", sc->msix_count);  in nhi_pci_configure_interrupts()
400 	struct nhi_softc *sc = r->sc;  in nhi_pci_enable_interrupt()
405 	    r->ring_num);  in nhi_pci_enable_interrupt()
407 	 * Compute the routing between event type and MSI-X vector.  in nhi_pci_enable_interrupt()
417 	offset = (r->ring_num + IVR_TX_OFFSET) * 4;  in nhi_pci_enable_interrupt()
418 	NHI_SET_INTERRUPT(offset, 0x0f, r->ring_num);  in nhi_pci_enable_interrupt()
421 	offset = (r->ring_num + IVR_RX_OFFSET) * 4;  in nhi_pci_enable_interrupt()
422 	NHI_SET_INTERRUPT(offset, 0x0f, r->ring_num);  in nhi_pci_enable_interrupt()
425 	offset = (r->ring_num + IVR_NE_OFFSET) * 4;  in nhi_pci_enable_interrupt()
443 	offset = r->ring_num + IMR_TX_OFFSET;  in nhi_pci_enable_interrupt()
447 	offset = r->ring_num + IMR_RX_OFFSET;  in nhi_pci_enable_interrupt()
451 	offset = r->ring_num + IMR_NE_OFFSET;  in nhi_pci_enable_interrupt()
479  * Icelake controllers need to be notified of power-on
488 	dev = sc->dev;  in nhi_pci_icl_poweron()
521 	dev = sc->dev;  in nhi_pci_get_uuid()
527 	bcopy(val, &sc->uuid, 16);  in nhi_pci_get_uuid()