xref: /freebsd/sys/dev/ips/ips_pci.c (revision 7765040ebc0bf6d7c9a27cdd4da04636f4cbb2eb)
12aedd662SScott Long /*-
22aedd662SScott Long  * Copyright (c) 2002 Adaptec Inc.
32aedd662SScott Long  * All rights reserved.
42aedd662SScott Long  *
52aedd662SScott Long  * Written by: David Jeffery
62aedd662SScott Long  *
72aedd662SScott Long  * Redistribution and use in source and binary forms, with or without
82aedd662SScott Long  * modification, are permitted provided that the following conditions
92aedd662SScott Long  * are met:
102aedd662SScott Long  * 1. Redistributions of source code must retain the above copyright
112aedd662SScott Long  *    notice, this list of conditions and the following disclaimer.
122aedd662SScott Long  * 2. Redistributions in binary form must reproduce the above copyright
132aedd662SScott Long  *    notice, this list of conditions and the following disclaimer in the
142aedd662SScott Long  *    documentation and/or other materials provided with the distribution.
152aedd662SScott Long  *
162aedd662SScott Long  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
172aedd662SScott Long  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
182aedd662SScott Long  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
192aedd662SScott Long  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
202aedd662SScott Long  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
212aedd662SScott Long  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
222aedd662SScott Long  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
232aedd662SScott Long  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
242aedd662SScott Long  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
252aedd662SScott Long  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
262aedd662SScott Long  * SUCH DAMAGE.
272aedd662SScott Long  */
282aedd662SScott Long 
29aad970f1SDavid E. O'Brien #include <sys/cdefs.h>
30aad970f1SDavid E. O'Brien __FBSDID("$FreeBSD$");
312aedd662SScott Long 
322aedd662SScott Long #include <dev/ips/ips.h>
33aad970f1SDavid E. O'Brien 
342aedd662SScott Long static int ips_pci_free(ips_softc_t *sc);
35faf13262SPaul Saab static void ips_intrhook(void *arg);
362aedd662SScott Long 
372aedd662SScott Long static int ips_pci_probe(device_t dev)
382aedd662SScott Long {
392aedd662SScott Long 
402aedd662SScott Long         if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
412aedd662SScott Long 	    (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) {
422aedd662SScott Long 		device_set_desc(dev, "IBM ServeRAID Adapter");
432aedd662SScott Long                 return 0;
442aedd662SScott Long         } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
452aedd662SScott Long 	    (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) {
462aedd662SScott Long 		device_set_desc(dev, "IBM ServeRAID Adapter");
472aedd662SScott Long 		return (0);
4833ad16c0SScott Long         } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) &&
4933ad16c0SScott Long 	    (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) {
5033ad16c0SScott Long 		device_set_desc(dev, "Adaptec ServeRAID Adapter");
5133ad16c0SScott Long 		return (0);
522aedd662SScott Long 	}
532aedd662SScott Long         return(ENXIO);
542aedd662SScott Long }
552aedd662SScott Long 
562aedd662SScott Long static int ips_pci_attach(device_t dev)
572aedd662SScott Long {
582aedd662SScott Long         u_int32_t command;
592aedd662SScott Long         ips_softc_t *sc;
602aedd662SScott Long 
61dea4622dSScott Long 
628a9bc9c0SJohn Baldwin 	if (resource_disabled(device_get_name(dev), device_get_unit(dev))) {
63dea4622dSScott Long 		device_printf(dev, "device is disabled\n");
64dea4622dSScott Long 		/* but return 0 so the !$)$)*!$*) unit isn't reused */
65dea4622dSScott Long 		return (0);
66dea4622dSScott Long 	}
672aedd662SScott Long         DEVICE_PRINTF(1, dev, "in attach.\n");
682aedd662SScott Long         sc = (ips_softc_t *)device_get_softc(dev);
692aedd662SScott Long         if(!sc){
702aedd662SScott Long                 printf("how is sc NULL?!\n");
712aedd662SScott Long                 return (ENXIO);
722aedd662SScott Long         }
732aedd662SScott Long         bzero(sc, sizeof(ips_softc_t));
742aedd662SScott Long         sc->dev = dev;
752aedd662SScott Long 
762aedd662SScott Long         if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){
772aedd662SScott Long 		sc->ips_adapter_reinit = ips_morpheus_reinit;
782aedd662SScott Long                 sc->ips_adapter_intr = ips_morpheus_intr;
792aedd662SScott Long 		sc->ips_issue_cmd    = ips_issue_morpheus_cmd;
807765040eSScott Long 		sc->ips_poll_cmd     = ips_morpheus_poll;
812aedd662SScott Long         } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){
822aedd662SScott Long 		sc->ips_adapter_reinit = ips_copperhead_reinit;
832aedd662SScott Long                 sc->ips_adapter_intr = ips_copperhead_intr;
842aedd662SScott Long 		sc->ips_issue_cmd    = ips_issue_copperhead_cmd;
857765040eSScott Long 		sc->ips_poll_cmd     = ips_copperhead_poll;
8633ad16c0SScott Long 	} else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){
8733ad16c0SScott Long 		sc->ips_adapter_reinit = ips_morpheus_reinit;
8833ad16c0SScott Long 		sc->ips_adapter_intr = ips_morpheus_intr;
8933ad16c0SScott Long 		sc->ips_issue_cmd = ips_issue_morpheus_cmd;
907765040eSScott Long 		sc->ips_poll_cmd     = ips_morpheus_poll;
912aedd662SScott Long 	} else
922aedd662SScott Long                 goto error;
932aedd662SScott Long         /* make sure busmastering is on */
942aedd662SScott Long         command = pci_read_config(dev, PCIR_COMMAND, 1);
952aedd662SScott Long 	command |= PCIM_CMD_BUSMASTEREN;
962aedd662SScott Long 	pci_write_config(dev, PCIR_COMMAND, command, 1);
972aedd662SScott Long         /* seting up io space */
982aedd662SScott Long         sc->iores = NULL;
992aedd662SScott Long         if(command & PCIM_CMD_MEMEN){
1002aedd662SScott Long                 PRINTF(10, "trying MEMIO\n");
10133ad16c0SScott Long 		if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)
102e27951b2SJohn Baldwin                 	sc->rid = PCIR_BAR(1);
10333ad16c0SScott Long 		else
10433ad16c0SScott Long 			sc->rid = PCIR_BAR(0);
1052aedd662SScott Long                 sc->iotype = SYS_RES_MEMORY;
1065f96beb9SNate Lawson                 sc->iores = bus_alloc_resource_any(dev, sc->iotype,
1075f96beb9SNate Lawson 			&sc->rid, RF_ACTIVE);
1082aedd662SScott Long         }
1092aedd662SScott Long         if(!sc->iores && command & PCIM_CMD_PORTEN){
1102aedd662SScott Long                 PRINTF(10, "trying PORTIO\n");
111e27951b2SJohn Baldwin                 sc->rid = PCIR_BAR(0);
1122aedd662SScott Long                 sc->iotype = SYS_RES_IOPORT;
1135f96beb9SNate Lawson                 sc->iores = bus_alloc_resource_any(dev, sc->iotype,
1145f96beb9SNate Lawson 			&sc->rid, RF_ACTIVE);
1152aedd662SScott Long         }
1162aedd662SScott Long         if(sc->iores == NULL){
1172aedd662SScott Long                 device_printf(dev, "resource allocation failed\n");
1182aedd662SScott Long                 return (ENXIO);
1192aedd662SScott Long         }
1202aedd662SScott Long         sc->bustag = rman_get_bustag(sc->iores);
1212aedd662SScott Long         sc->bushandle = rman_get_bushandle(sc->iores);
1222aedd662SScott Long         /*allocate an interrupt. when does the irq become active? after leaving attach? */
1232aedd662SScott Long         sc->irqrid = 0;
1245f96beb9SNate Lawson         if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ,
1255f96beb9SNate Lawson 		&sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){
1262aedd662SScott Long                 device_printf(dev, "irq allocation failed\n");
1272aedd662SScott Long                 goto error;
1282aedd662SScott Long         }
12903a908f2SScott Long 	if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, sc->ips_adapter_intr, sc, &sc->irqcookie)){
1302aedd662SScott Long                 device_printf(dev, "irq setup failed\n");
1312aedd662SScott Long                 goto error;
1322aedd662SScott Long         }
1332aedd662SScott Long 	if (bus_dma_tag_create(	/* parent    */	NULL,
1342aedd662SScott Long 				/* alignemnt */	1,
1352aedd662SScott Long 				/* boundary  */	0,
1362aedd662SScott Long 				/* lowaddr   */	BUS_SPACE_MAXADDR_32BIT,
1372aedd662SScott Long 				/* highaddr  */	BUS_SPACE_MAXADDR,
1382aedd662SScott Long 				/* filter    */	NULL,
1392aedd662SScott Long 				/* filterarg */	NULL,
1402aedd662SScott Long 				/* maxsize   */	BUS_SPACE_MAXSIZE_32BIT,
1412aedd662SScott Long 				/* numsegs   */	IPS_MAX_SG_ELEMENTS,
1422aedd662SScott Long 				/* maxsegsize*/	BUS_SPACE_MAXSIZE_32BIT,
1432aedd662SScott Long 				/* flags     */	0,
14403a908f2SScott Long 				/* lockfunc  */ NULL,
14503a908f2SScott Long 				/* lockarg   */ NULL,
1462aedd662SScott Long 				&sc->adapter_dmatag) != 0) {
1472aedd662SScott Long                 printf("IPS can't alloc dma tag\n");
1482aedd662SScott Long                 goto error;
1492aedd662SScott Long         }
150faf13262SPaul Saab 	sc->ips_ich.ich_func = ips_intrhook;
151faf13262SPaul Saab 	sc->ips_ich.ich_arg = sc;
152b234a120SScott Long 	mtx_init(&sc->queue_mtx, "IPS bioqueue lock", MTX_DEF, 0);
15303a908f2SScott Long 	sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore");
154b234a120SScott Long 	bioq_init(&sc->queue);
155faf13262SPaul Saab 	if (config_intrhook_establish(&sc->ips_ich) != 0) {
156faf13262SPaul Saab 		printf("IPS can't establish configuration hook\n");
1572aedd662SScott Long 		goto error;
158faf13262SPaul Saab 	}
1592aedd662SScott Long         return 0;
1602aedd662SScott Long error:
1612aedd662SScott Long 	ips_pci_free(sc);
1622aedd662SScott Long         return (ENXIO);
1632aedd662SScott Long }
1642aedd662SScott Long 
165faf13262SPaul Saab static void
166faf13262SPaul Saab ips_intrhook(void *arg)
167faf13262SPaul Saab {
168faf13262SPaul Saab 	struct ips_softc *sc = (struct ips_softc *)arg;
169faf13262SPaul Saab 
170faf13262SPaul Saab 	config_intrhook_disestablish(&sc->ips_ich);
171faf13262SPaul Saab 	if (ips_adapter_init(sc))
172faf13262SPaul Saab 		ips_pci_free(sc);
173faf13262SPaul Saab 	else
174faf13262SPaul Saab 		sc->configured = 1;
175faf13262SPaul Saab }
176faf13262SPaul Saab 
1772aedd662SScott Long static int ips_pci_free(ips_softc_t *sc)
1782aedd662SScott Long {
1792aedd662SScott Long 	if(sc->adapter_dmatag)
1802aedd662SScott Long 		bus_dma_tag_destroy(sc->adapter_dmatag);
1812aedd662SScott Long 	if(sc->irqcookie)
1822aedd662SScott Long                 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie);
1832aedd662SScott Long         if(sc->irqres)
1842aedd662SScott Long                bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres);
1852aedd662SScott Long         if(sc->iores)
1862aedd662SScott Long                 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores);
187dea4622dSScott Long 	sc->configured = 0;
18803a908f2SScott Long 	mtx_destroy(&sc->queue_mtx);
18903a908f2SScott Long 	sema_destroy(&sc->cmd_sema);
1902aedd662SScott Long 	return 0;
1912aedd662SScott Long }
1922aedd662SScott Long 
1932aedd662SScott Long static int ips_pci_detach(device_t dev)
1942aedd662SScott Long {
1952aedd662SScott Long         ips_softc_t *sc;
1962aedd662SScott Long         DEVICE_PRINTF(1, dev, "detaching ServeRaid\n");
1972aedd662SScott Long         sc = (ips_softc_t *) device_get_softc(dev);
198dea4622dSScott Long 	if (sc->configured) {
199dea4622dSScott Long 		sc->configured = 0;
2002aedd662SScott Long 		ips_flush_cache(sc);
2012aedd662SScott Long 		if(ips_adapter_free(sc))
2022aedd662SScott Long 			return EBUSY;
2032aedd662SScott Long 		ips_pci_free(sc);
204b234a120SScott Long 		bioq_flush(&sc->queue, NULL, ENXIO);
205dea4622dSScott Long 	}
2062aedd662SScott Long 	return 0;
2072aedd662SScott Long }
2082aedd662SScott Long 
2092aedd662SScott Long static int ips_pci_shutdown(device_t dev)
2102aedd662SScott Long {
2112aedd662SScott Long 	ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev);
212dea4622dSScott Long 	if (sc->configured) {
2132aedd662SScott Long 		ips_flush_cache(sc);
214dea4622dSScott Long 	}
2152aedd662SScott Long 	return 0;
2162aedd662SScott Long }
2172aedd662SScott Long 
2182aedd662SScott Long static device_method_t ips_driver_methods[] = {
2192aedd662SScott Long         DEVMETHOD(device_probe, ips_pci_probe),
2202aedd662SScott Long         DEVMETHOD(device_attach, ips_pci_attach),
2212aedd662SScott Long         DEVMETHOD(device_detach, ips_pci_detach),
2222aedd662SScott Long 	DEVMETHOD(device_shutdown, ips_pci_shutdown),
2232aedd662SScott Long         {0,0}
2242aedd662SScott Long };
2252aedd662SScott Long 
2262aedd662SScott Long static driver_t ips_pci_driver = {
2272aedd662SScott Long         "ips",
2282aedd662SScott Long         ips_driver_methods,
2292aedd662SScott Long         sizeof(ips_softc_t),
2302aedd662SScott Long };
2312aedd662SScott Long 
2322aedd662SScott Long static devclass_t ips_devclass;
2332aedd662SScott Long DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0);
234