ips_pci.c revision 166901
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 166901 2007-02-23 12:19:07Z piso $"); 31114902Sscottl 32152919Sscottl#include <dev/ips/ipsreg.h> 33114902Sscottl#include <dev/ips/ips.h> 34119418Sobrien 35152919Sscottl#include <dev/pci/pcireg.h> 36152919Sscottl#include <dev/pci/pcivar.h> 37152919Sscottl 38114902Sscottlstatic int ips_pci_free(ips_softc_t *sc); 39119997Spsstatic void ips_intrhook(void *arg); 40114902Sscottl 41114902Sscottlstatic int ips_pci_probe(device_t dev) 42114902Sscottl{ 43114902Sscottl 44114902Sscottl if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 45114902Sscottl (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 46114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 47143160Simp return (BUS_PROBE_DEFAULT); 48114902Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 49114902Sscottl (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 50114902Sscottl device_set_desc(dev, "IBM ServeRAID Adapter"); 51143160Simp return (BUS_PROBE_DEFAULT); 52127205Sscottl } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) && 53127205Sscottl (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) { 54127205Sscottl device_set_desc(dev, "Adaptec ServeRAID Adapter"); 55143160Simp return (BUS_PROBE_DEFAULT); 56127205Sscottl } 57114902Sscottl return(ENXIO); 58114902Sscottl} 59114902Sscottl 60114902Sscottlstatic int ips_pci_attach(device_t dev) 61114902Sscottl{ 62114902Sscottl u_int32_t command; 63114902Sscottl ips_softc_t *sc; 64114902Sscottl 65116852Sscottl 66117167Sjhb if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 67116852Sscottl device_printf(dev, "device is disabled\n"); 68116852Sscottl /* but return 0 so the !$)$)*!$*) unit isn't reused */ 69116852Sscottl return (0); 70116852Sscottl } 71114902Sscottl DEVICE_PRINTF(1, dev, "in attach.\n"); 72114902Sscottl sc = (ips_softc_t *)device_get_softc(dev); 73114902Sscottl if(!sc){ 74114902Sscottl printf("how is sc NULL?!\n"); 75114902Sscottl return (ENXIO); 76114902Sscottl } 77114902Sscottl bzero(sc, sizeof(ips_softc_t)); 78114902Sscottl sc->dev = dev; 79114902Sscottl 80114902Sscottl if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 81114902Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 82114902Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 83114902Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 84141062Sscottl sc->ips_poll_cmd = ips_morpheus_poll; 85114902Sscottl } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 86114902Sscottl sc->ips_adapter_reinit = ips_copperhead_reinit; 87114902Sscottl sc->ips_adapter_intr = ips_copperhead_intr; 88114902Sscottl sc->ips_issue_cmd = ips_issue_copperhead_cmd; 89141062Sscottl sc->ips_poll_cmd = ips_copperhead_poll; 90127205Sscottl } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){ 91127205Sscottl sc->ips_adapter_reinit = ips_morpheus_reinit; 92127205Sscottl sc->ips_adapter_intr = ips_morpheus_intr; 93127205Sscottl sc->ips_issue_cmd = ips_issue_morpheus_cmd; 94141062Sscottl sc->ips_poll_cmd = ips_morpheus_poll; 95114902Sscottl } else 96114902Sscottl goto error; 97114902Sscottl /* make sure busmastering is on */ 98114902Sscottl command = pci_read_config(dev, PCIR_COMMAND, 1); 99114902Sscottl command |= PCIM_CMD_BUSMASTEREN; 100114902Sscottl pci_write_config(dev, PCIR_COMMAND, command, 1); 101114902Sscottl /* seting up io space */ 102114902Sscottl sc->iores = NULL; 103114902Sscottl if(command & PCIM_CMD_MEMEN){ 104114902Sscottl PRINTF(10, "trying MEMIO\n"); 105127205Sscottl if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 106127205Sscottl sc->rid = PCIR_BAR(1); 107114902Sscottl else 108127205Sscottl sc->rid = PCIR_BAR(0); 109114902Sscottl sc->iotype = SYS_RES_MEMORY; 110127135Snjl sc->iores = bus_alloc_resource_any(dev, sc->iotype, 111127135Snjl &sc->rid, RF_ACTIVE); 112114902Sscottl } 113114902Sscottl if(!sc->iores && command & PCIM_CMD_PORTEN){ 114114902Sscottl PRINTF(10, "trying PORTIO\n"); 115119690Sjhb sc->rid = PCIR_BAR(0); 116114902Sscottl sc->iotype = SYS_RES_IOPORT; 117127135Snjl sc->iores = bus_alloc_resource_any(dev, sc->iotype, 118127135Snjl &sc->rid, RF_ACTIVE); 119114902Sscottl } 120114902Sscottl if(sc->iores == NULL){ 121114902Sscottl device_printf(dev, "resource allocation failed\n"); 122114902Sscottl return (ENXIO); 123114902Sscottl } 124114902Sscottl sc->bustag = rman_get_bustag(sc->iores); 125114902Sscottl sc->bushandle = rman_get_bushandle(sc->iores); 126114902Sscottl /*allocate an interrupt. when does the irq become active? after leaving attach? */ 127114902Sscottl sc->irqrid = 0; 128127135Snjl if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 129127135Snjl &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){ 130114902Sscottl device_printf(dev, "irq allocation failed\n"); 131114902Sscottl goto error; 132114902Sscottl } 133166901Spiso if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL, 134166901Spiso sc->ips_adapter_intr, sc, &sc->irqcookie)){ 135114902Sscottl device_printf(dev, "irq setup failed\n"); 136114902Sscottl goto error; 137114902Sscottl } 138114902Sscottl if (bus_dma_tag_create( /* parent */ NULL, 139114902Sscottl /* alignemnt */ 1, 140114902Sscottl /* boundary */ 0, 141114902Sscottl /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 142114902Sscottl /* highaddr */ BUS_SPACE_MAXADDR, 143114902Sscottl /* filter */ NULL, 144114902Sscottl /* filterarg */ NULL, 145114902Sscottl /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 146114902Sscottl /* numsegs */ IPS_MAX_SG_ELEMENTS, 147114902Sscottl /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 148114902Sscottl /* flags */ 0, 149140923Sscottl /* lockfunc */ NULL, 150140923Sscottl /* lockarg */ NULL, 151114902Sscottl &sc->adapter_dmatag) != 0) { 152114902Sscottl printf("IPS can't alloc dma tag\n"); 153114902Sscottl goto error; 154114902Sscottl } 155119997Sps sc->ips_ich.ich_func = ips_intrhook; 156119997Sps sc->ips_ich.ich_arg = sc; 157126364Sscottl mtx_init(&sc->queue_mtx, "IPS bioqueue lock", MTX_DEF, 0); 158140923Sscottl sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore"); 159126364Sscottl bioq_init(&sc->queue); 160119997Sps if (config_intrhook_establish(&sc->ips_ich) != 0) { 161119997Sps printf("IPS can't establish configuration hook\n"); 162114902Sscottl goto error; 163119997Sps } 164114902Sscottl return 0; 165114902Sscottlerror: 166114902Sscottl ips_pci_free(sc); 167114902Sscottl return (ENXIO); 168114902Sscottl} 169114902Sscottl 170119997Spsstatic void 171119997Spsips_intrhook(void *arg) 172119997Sps{ 173119997Sps struct ips_softc *sc = (struct ips_softc *)arg; 174119997Sps 175119997Sps config_intrhook_disestablish(&sc->ips_ich); 176119997Sps if (ips_adapter_init(sc)) 177119997Sps ips_pci_free(sc); 178119997Sps else 179119997Sps sc->configured = 1; 180119997Sps} 181119997Sps 182114902Sscottlstatic int ips_pci_free(ips_softc_t *sc) 183114902Sscottl{ 184114902Sscottl if(sc->adapter_dmatag) 185114902Sscottl bus_dma_tag_destroy(sc->adapter_dmatag); 186114902Sscottl if(sc->irqcookie) 187114902Sscottl bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 188114902Sscottl if(sc->irqres) 189114902Sscottl bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 190114902Sscottl if(sc->iores) 191114902Sscottl bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 192116852Sscottl sc->configured = 0; 193140923Sscottl mtx_destroy(&sc->queue_mtx); 194140923Sscottl sema_destroy(&sc->cmd_sema); 195114902Sscottl return 0; 196114902Sscottl} 197114902Sscottl 198114902Sscottlstatic int ips_pci_detach(device_t dev) 199114902Sscottl{ 200114902Sscottl ips_softc_t *sc; 201114902Sscottl DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 202114902Sscottl sc = (ips_softc_t *) device_get_softc(dev); 203116852Sscottl if (sc->configured) { 204116852Sscottl sc->configured = 0; 205116852Sscottl ips_flush_cache(sc); 206116852Sscottl if(ips_adapter_free(sc)) 207116852Sscottl return EBUSY; 208116852Sscottl ips_pci_free(sc); 209126364Sscottl bioq_flush(&sc->queue, NULL, ENXIO); 210116852Sscottl } 211114902Sscottl return 0; 212114902Sscottl} 213114902Sscottl 214114902Sscottlstatic int ips_pci_shutdown(device_t dev) 215114902Sscottl{ 216114902Sscottl ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 217116852Sscottl if (sc->configured) { 218116852Sscottl ips_flush_cache(sc); 219116852Sscottl } 220114902Sscottl return 0; 221114902Sscottl} 222114902Sscottl 223114902Sscottlstatic device_method_t ips_driver_methods[] = { 224114902Sscottl DEVMETHOD(device_probe, ips_pci_probe), 225114902Sscottl DEVMETHOD(device_attach, ips_pci_attach), 226114902Sscottl DEVMETHOD(device_detach, ips_pci_detach), 227114902Sscottl DEVMETHOD(device_shutdown, ips_pci_shutdown), 228114902Sscottl {0,0} 229114902Sscottl}; 230114902Sscottl 231114902Sscottlstatic driver_t ips_pci_driver = { 232114902Sscottl "ips", 233114902Sscottl ips_driver_methods, 234114902Sscottl sizeof(ips_softc_t), 235114902Sscottl}; 236114902Sscottl 237114902Sscottlstatic devclass_t ips_devclass; 238114902SscottlDRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 239