ips_pci.c revision 143160
1114902Sscottl/*- 2114902Sscottl * Copyright (c) 2002 Adaptec Inc. 3114902Sscottl * All rights reserved. 4114902Sscottl * 5114902Sscottl * Written by: David Jeffery 6114902Sscottl * 7114902Sscottl * Redistribution and use in source and binary forms, with or without 8114902Sscottl * modification, are permitted provided that the following conditions 9114902Sscottl * are met: 10114902Sscottl * 1. Redistributions of source code must retain the above copyright 11114902Sscottl * notice, this list of conditions and the following disclaimer. 12114902Sscottl * 2. Redistributions in binary form must reproduce the above copyright 13114902Sscottl * notice, this list of conditions and the following disclaimer in the 14114902Sscottl * documentation and/or other materials provided with the distribution. 15114902Sscottl * 16114902Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17114902Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18114902Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19114902Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20114902Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21114902Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22114902Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23114902Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24114902Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25114902Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26114902Sscottl * SUCH DAMAGE. 27114902Sscottl */ 28114902Sscottl 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/ips/ips_pci.c 143160 2005-03-05 18:17:35Z imp $"); 31114902Sscottl 32114902Sscottl#include <dev/ips/ips.h> 33119418Sobrien 34114902Sscottlstatic int ips_pci_free(ips_softc_t *sc); 35119997Spsstatic void ips_intrhook(void *arg); 36114902Sscottl 37114902Sscottlstatic int ips_pci_probe(device_t dev) 38114902Sscottl{ 39114902Sscottl 40114902Sscottl if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 41114902Sscottl (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 42114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 43143160Simp return (BUS_PROBE_DEFAULT); 44114902Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 45114902Sscottl (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 46114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 47143160Simp return (BUS_PROBE_DEFAULT); 48127205Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) && 49127205Sscottl (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) { 50127205Sscottl device_set_desc(dev, "Adaptec ServeRAID Adapter"); 51143160Simp return (BUS_PROBE_DEFAULT); 52127205Sscottl } 53114902Sscottl return(ENXIO); 54114902Sscottl} 55114902Sscottl 56114902Sscottlstatic int ips_pci_attach(device_t dev) 57114902Sscottl{ 58114902Sscottl u_int32_t command; 59114902Sscottl ips_softc_t *sc; 60114902Sscottl 61116852Sscottl 62117167Sjhb if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 63116852Sscottl device_printf(dev, "device is disabled\n"); 64116852Sscottl /* but return 0 so the !$)$)*!$*) unit isn't reused */ 65116852Sscottl return (0); 66116852Sscottl } 67114902Sscottl DEVICE_PRINTF(1, dev, "in attach.\n"); 68114902Sscottl sc = (ips_softc_t *)device_get_softc(dev); 69114902Sscottl if(!sc){ 70114902Sscottl printf("how is sc NULL?!\n"); 71114902Sscottl return (ENXIO); 72114902Sscottl } 73114902Sscottl bzero(sc, sizeof(ips_softc_t)); 74114902Sscottl sc->dev = dev; 75114902Sscottl 76114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 77114902Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 78114902Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 79114902Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 80141062Sscottl sc->ips_poll_cmd = ips_morpheus_poll; 81114902Sscottl } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 82114902Sscottl sc->ips_adapter_reinit = ips_copperhead_reinit; 83114902Sscottl sc->ips_adapter_intr = ips_copperhead_intr; 84114902Sscottl sc->ips_issue_cmd = ips_issue_copperhead_cmd; 85141062Sscottl sc->ips_poll_cmd = ips_copperhead_poll; 86127205Sscottl } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){ 87127205Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 88127205Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 89127205Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 90141062Sscottl sc->ips_poll_cmd = ips_morpheus_poll; 91114902Sscottl } else 92114902Sscottl goto error; 93114902Sscottl /* make sure busmastering is on */ 94114902Sscottl command = pci_read_config(dev, PCIR_COMMAND, 1); 95114902Sscottl command |= PCIM_CMD_BUSMASTEREN; 96114902Sscottl pci_write_config(dev, PCIR_COMMAND, command, 1); 97114902Sscottl /* seting up io space */ 98114902Sscottl sc->iores = NULL; 99114902Sscottl if(command & PCIM_CMD_MEMEN){ 100114902Sscottl PRINTF(10, "trying MEMIO\n"); 101127205Sscottl if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 102127205Sscottl sc->rid = PCIR_BAR(1); 103114902Sscottl else 104127205Sscottl sc->rid = PCIR_BAR(0); 105114902Sscottl sc->iotype = SYS_RES_MEMORY; 106127135Snjl sc->iores = bus_alloc_resource_any(dev, sc->iotype, 107127135Snjl &sc->rid, RF_ACTIVE); 108114902Sscottl } 109114902Sscottl if(!sc->iores && command & PCIM_CMD_PORTEN){ 110114902Sscottl PRINTF(10, "trying PORTIO\n"); 111119690Sjhb sc->rid = PCIR_BAR(0); 112114902Sscottl sc->iotype = SYS_RES_IOPORT; 113127135Snjl sc->iores = bus_alloc_resource_any(dev, sc->iotype, 114127135Snjl &sc->rid, RF_ACTIVE); 115114902Sscottl } 116114902Sscottl if(sc->iores == NULL){ 117114902Sscottl device_printf(dev, "resource allocation failed\n"); 118114902Sscottl return (ENXIO); 119114902Sscottl } 120114902Sscottl sc->bustag = rman_get_bustag(sc->iores); 121114902Sscottl sc->bushandle = rman_get_bushandle(sc->iores); 122114902Sscottl /*allocate an interrupt. when does the irq become active? after leaving attach? */ 123114902Sscottl sc->irqrid = 0; 124127135Snjl if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 125127135Snjl &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){ 126114902Sscottl device_printf(dev, "irq allocation failed\n"); 127114902Sscottl goto error; 128114902Sscottl } 129140923Sscottl if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, sc->ips_adapter_intr, sc, &sc->irqcookie)){ 130114902Sscottl device_printf(dev, "irq setup failed\n"); 131114902Sscottl goto error; 132114902Sscottl } 133114902Sscottl if (bus_dma_tag_create( /* parent */ NULL, 134114902Sscottl /* alignemnt */ 1, 135114902Sscottl /* boundary */ 0, 136114902Sscottl /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 137114902Sscottl /* highaddr */ BUS_SPACE_MAXADDR, 138114902Sscottl /* filter */ NULL, 139114902Sscottl /* filterarg */ NULL, 140114902Sscottl /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 141114902Sscottl /* numsegs */ IPS_MAX_SG_ELEMENTS, 142114902Sscottl /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 143114902Sscottl /* flags */ 0, 144140923Sscottl /* lockfunc */ NULL, 145140923Sscottl /* lockarg */ NULL, 146114902Sscottl &sc->adapter_dmatag) != 0) { 147114902Sscottl printf("IPS can't alloc dma tag\n"); 148114902Sscottl goto error; 149114902Sscottl } 150119997Sps sc->ips_ich.ich_func = ips_intrhook; 151119997Sps sc->ips_ich.ich_arg = sc; 152126364Sscottl mtx_init(&sc->queue_mtx, "IPS bioqueue lock", MTX_DEF, 0); 153140923Sscottl sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore"); 154126364Sscottl bioq_init(&sc->queue); 155119997Sps if (config_intrhook_establish(&sc->ips_ich) != 0) { 156119997Sps printf("IPS can't establish configuration hook\n"); 157114902Sscottl goto error; 158119997Sps } 159114902Sscottl return 0; 160114902Sscottlerror: 161114902Sscottl ips_pci_free(sc); 162114902Sscottl return (ENXIO); 163114902Sscottl} 164114902Sscottl 165119997Spsstatic void 166119997Spsips_intrhook(void *arg) 167119997Sps{ 168119997Sps struct ips_softc *sc = (struct ips_softc *)arg; 169119997Sps 170119997Sps config_intrhook_disestablish(&sc->ips_ich); 171119997Sps if (ips_adapter_init(sc)) 172119997Sps ips_pci_free(sc); 173119997Sps else 174119997Sps sc->configured = 1; 175119997Sps} 176119997Sps 177114902Sscottlstatic int ips_pci_free(ips_softc_t *sc) 178114902Sscottl{ 179114902Sscottl if(sc->adapter_dmatag) 180114902Sscottl bus_dma_tag_destroy(sc->adapter_dmatag); 181114902Sscottl if(sc->irqcookie) 182114902Sscottl bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 183114902Sscottl if(sc->irqres) 184114902Sscottl bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 185114902Sscottl if(sc->iores) 186114902Sscottl bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 187116852Sscottl sc->configured = 0; 188140923Sscottl mtx_destroy(&sc->queue_mtx); 189140923Sscottl sema_destroy(&sc->cmd_sema); 190114902Sscottl return 0; 191114902Sscottl} 192114902Sscottl 193114902Sscottlstatic int ips_pci_detach(device_t dev) 194114902Sscottl{ 195114902Sscottl ips_softc_t *sc; 196114902Sscottl DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 197114902Sscottl sc = (ips_softc_t *) device_get_softc(dev); 198116852Sscottl if (sc->configured) { 199116852Sscottl sc->configured = 0; 200116852Sscottl ips_flush_cache(sc); 201116852Sscottl if(ips_adapter_free(sc)) 202116852Sscottl return EBUSY; 203116852Sscottl ips_pci_free(sc); 204126364Sscottl bioq_flush(&sc->queue, NULL, ENXIO); 205116852Sscottl } 206114902Sscottl return 0; 207114902Sscottl} 208114902Sscottl 209114902Sscottlstatic int ips_pci_shutdown(device_t dev) 210114902Sscottl{ 211114902Sscottl ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 212116852Sscottl if (sc->configured) { 213116852Sscottl ips_flush_cache(sc); 214116852Sscottl } 215114902Sscottl return 0; 216114902Sscottl} 217114902Sscottl 218114902Sscottlstatic device_method_t ips_driver_methods[] = { 219114902Sscottl DEVMETHOD(device_probe, ips_pci_probe), 220114902Sscottl DEVMETHOD(device_attach, ips_pci_attach), 221114902Sscottl DEVMETHOD(device_detach, ips_pci_detach), 222114902Sscottl DEVMETHOD(device_shutdown, ips_pci_shutdown), 223114902Sscottl {0,0} 224114902Sscottl}; 225114902Sscottl 226114902Sscottlstatic driver_t ips_pci_driver = { 227114902Sscottl "ips", 228114902Sscottl ips_driver_methods, 229114902Sscottl sizeof(ips_softc_t), 230114902Sscottl}; 231114902Sscottl 232114902Sscottlstatic devclass_t ips_devclass; 233114902SscottlDRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 234