1 /*- 2 * Copyright (c) 2002 Adaptec Inc. 3 * All rights reserved. 4 * 5 * Written by: David Jeffery 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <dev/ips/ipsreg.h> 33 #include <dev/ips/ips.h> 34 35 #include <dev/pci/pcireg.h> 36 #include <dev/pci/pcivar.h> 37 38 static int ips_pci_free(ips_softc_t *sc); 39 static void ips_intrhook(void *arg); 40 41 static int ips_pci_probe(device_t dev) 42 { 43 44 if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 45 (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) { 46 device_set_desc(dev, "IBM ServeRAID Adapter"); 47 return (BUS_PROBE_DEFAULT); 48 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) && 49 (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) { 50 device_set_desc(dev, "IBM ServeRAID Adapter"); 51 return (BUS_PROBE_DEFAULT); 52 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) && 53 (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) { 54 device_set_desc(dev, "Adaptec ServeRAID Adapter"); 55 return (BUS_PROBE_DEFAULT); 56 } 57 return(ENXIO); 58 } 59 60 static int ips_pci_attach(device_t dev) 61 { 62 ips_softc_t *sc; 63 64 DEVICE_PRINTF(1, dev, "in attach.\n"); 65 sc = (ips_softc_t *)device_get_softc(dev); 66 sc->dev = dev; 67 mtx_init(&sc->queue_mtx, "IPS bioqueue lock", NULL, MTX_DEF); 68 sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore"); 69 callout_init_mtx(&sc->timer, &sc->queue_mtx, 0); 70 71 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 72 sc->ips_adapter_reinit = ips_morpheus_reinit; 73 sc->ips_adapter_intr = ips_morpheus_intr; 74 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 75 sc->ips_poll_cmd = ips_morpheus_poll; 76 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 77 sc->ips_adapter_reinit = ips_copperhead_reinit; 78 sc->ips_adapter_intr = ips_copperhead_intr; 79 sc->ips_issue_cmd = ips_issue_copperhead_cmd; 80 sc->ips_poll_cmd = ips_copperhead_poll; 81 } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){ 82 sc->ips_adapter_reinit = ips_morpheus_reinit; 83 sc->ips_adapter_intr = ips_morpheus_intr; 84 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 85 sc->ips_poll_cmd = ips_morpheus_poll; 86 } else 87 goto error; 88 /* make sure busmastering is on */ 89 pci_enable_busmaster(dev); 90 /* setting up io space */ 91 sc->iores = NULL; 92 PRINTF(10, "trying MEMIO\n"); 93 if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 94 sc->rid = PCIR_BAR(1); 95 else 96 sc->rid = PCIR_BAR(0); 97 sc->iotype = SYS_RES_MEMORY; 98 sc->iores = bus_alloc_resource_any(dev, sc->iotype, &sc->rid, 99 RF_ACTIVE); 100 if(!sc->iores){ 101 PRINTF(10, "trying PORTIO\n"); 102 sc->rid = PCIR_BAR(0); 103 sc->iotype = SYS_RES_IOPORT; 104 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 105 &sc->rid, RF_ACTIVE); 106 } 107 if(sc->iores == NULL){ 108 device_printf(dev, "resource allocation failed\n"); 109 return (ENXIO); 110 } 111 /*allocate an interrupt. when does the irq become active? after leaving attach? */ 112 sc->irqrid = 0; 113 if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 114 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){ 115 device_printf(dev, "irq allocation failed\n"); 116 goto error; 117 } 118 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL, 119 sc->ips_adapter_intr, sc, &sc->irqcookie)){ 120 device_printf(dev, "irq setup failed\n"); 121 goto error; 122 } 123 if (bus_dma_tag_create( /* PCI parent */bus_get_dma_tag(dev), 124 /* alignemnt */ 1, 125 /* boundary */ 0, 126 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 127 /* highaddr */ BUS_SPACE_MAXADDR, 128 /* filter */ NULL, 129 /* filterarg */ NULL, 130 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 131 /* numsegs */ IPS_MAX_SG_ELEMENTS, 132 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 133 /* flags */ 0, 134 /* lockfunc */ NULL, 135 /* lockarg */ NULL, 136 &sc->adapter_dmatag) != 0) { 137 device_printf(dev, "can't alloc dma tag\n"); 138 goto error; 139 } 140 sc->ips_ich.ich_func = ips_intrhook; 141 sc->ips_ich.ich_arg = sc; 142 bioq_init(&sc->queue); 143 if (config_intrhook_establish(&sc->ips_ich) != 0) { 144 printf("IPS can't establish configuration hook\n"); 145 goto error; 146 } 147 return 0; 148 error: 149 ips_pci_free(sc); 150 return (ENXIO); 151 } 152 153 static void 154 ips_intrhook(void *arg) 155 { 156 struct ips_softc *sc = (struct ips_softc *)arg; 157 158 config_intrhook_disestablish(&sc->ips_ich); 159 if (ips_adapter_init(sc)) 160 ips_pci_free(sc); 161 else 162 sc->configured = 1; 163 } 164 165 static int ips_pci_free(ips_softc_t *sc) 166 { 167 if(sc->adapter_dmatag) 168 bus_dma_tag_destroy(sc->adapter_dmatag); 169 if(sc->irqcookie) 170 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 171 if(sc->irqres) 172 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 173 if(sc->iores) 174 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 175 sc->configured = 0; 176 mtx_destroy(&sc->queue_mtx); 177 sema_destroy(&sc->cmd_sema); 178 return 0; 179 } 180 181 static int ips_pci_detach(device_t dev) 182 { 183 ips_softc_t *sc; 184 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 185 sc = (ips_softc_t *) device_get_softc(dev); 186 if (sc->configured) { 187 sc->configured = 0; 188 ips_flush_cache(sc); 189 if(ips_adapter_free(sc)) 190 return EBUSY; 191 ips_pci_free(sc); 192 bioq_flush(&sc->queue, NULL, ENXIO); 193 } 194 return 0; 195 } 196 197 static int ips_pci_shutdown(device_t dev) 198 { 199 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 200 if (sc->configured) { 201 ips_flush_cache(sc); 202 } 203 return 0; 204 } 205 206 static device_method_t ips_driver_methods[] = { 207 DEVMETHOD(device_probe, ips_pci_probe), 208 DEVMETHOD(device_attach, ips_pci_attach), 209 DEVMETHOD(device_detach, ips_pci_detach), 210 DEVMETHOD(device_shutdown, ips_pci_shutdown), 211 {0,0} 212 }; 213 214 static driver_t ips_pci_driver = { 215 "ips", 216 ips_driver_methods, 217 sizeof(ips_softc_t), 218 }; 219 220 static devclass_t ips_devclass; 221 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 222