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 65 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 66 device_printf(dev, "device is disabled\n"); 67 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 68 return (0); 69 } 70 DEVICE_PRINTF(1, dev, "in attach.\n"); 71 sc = (ips_softc_t *)device_get_softc(dev); 72 if(!sc){ 73 printf("how is sc NULL?!\n"); 74 return (ENXIO); 75 } 76 bzero(sc, sizeof(ips_softc_t)); 77 sc->dev = dev; 78 79 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 80 sc->ips_adapter_reinit = ips_morpheus_reinit; 81 sc->ips_adapter_intr = ips_morpheus_intr; 82 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 83 sc->ips_poll_cmd = ips_morpheus_poll; 84 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 85 sc->ips_adapter_reinit = ips_copperhead_reinit; 86 sc->ips_adapter_intr = ips_copperhead_intr; 87 sc->ips_issue_cmd = ips_issue_copperhead_cmd; 88 sc->ips_poll_cmd = ips_copperhead_poll; 89 } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){ 90 sc->ips_adapter_reinit = ips_morpheus_reinit; 91 sc->ips_adapter_intr = ips_morpheus_intr; 92 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 93 sc->ips_poll_cmd = ips_morpheus_poll; 94 } else 95 goto error; 96 /* make sure busmastering is on */ 97 pci_enable_busmaster(dev); 98 /* seting up io space */ 99 sc->iores = NULL; 100 PRINTF(10, "trying MEMIO\n"); 101 if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 102 sc->rid = PCIR_BAR(1); 103 else 104 sc->rid = PCIR_BAR(0); 105 sc->iotype = SYS_RES_MEMORY; 106 sc->iores = bus_alloc_resource_any(dev, sc->iotype, &sc->rid, 107 RF_ACTIVE); 108 if(!sc->iores){ 109 PRINTF(10, "trying PORTIO\n"); 110 sc->rid = PCIR_BAR(0); 111 sc->iotype = SYS_RES_IOPORT; 112 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 113 &sc->rid, RF_ACTIVE); 114 } 115 if(sc->iores == NULL){ 116 device_printf(dev, "resource allocation failed\n"); 117 return (ENXIO); 118 } 119 sc->bustag = rman_get_bustag(sc->iores); 120 sc->bushandle = rman_get_bushandle(sc->iores); 121 /*allocate an interrupt. when does the irq become active? after leaving attach? */ 122 sc->irqrid = 0; 123 if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 124 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){ 125 device_printf(dev, "irq allocation failed\n"); 126 goto error; 127 } 128 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL, 129 sc->ips_adapter_intr, sc, &sc->irqcookie)){ 130 device_printf(dev, "irq setup failed\n"); 131 goto error; 132 } 133 if (bus_dma_tag_create( /* PCI parent */bus_get_dma_tag(dev), 134 /* alignemnt */ 1, 135 /* boundary */ 0, 136 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 137 /* highaddr */ BUS_SPACE_MAXADDR, 138 /* filter */ NULL, 139 /* filterarg */ NULL, 140 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 141 /* numsegs */ IPS_MAX_SG_ELEMENTS, 142 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 143 /* flags */ 0, 144 /* lockfunc */ NULL, 145 /* lockarg */ NULL, 146 &sc->adapter_dmatag) != 0) { 147 printf("IPS can't alloc dma tag\n"); 148 goto error; 149 } 150 sc->ips_ich.ich_func = ips_intrhook; 151 sc->ips_ich.ich_arg = sc; 152 mtx_init(&sc->queue_mtx, "IPS bioqueue lock", NULL, MTX_DEF); 153 sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore"); 154 bioq_init(&sc->queue); 155 if (config_intrhook_establish(&sc->ips_ich) != 0) { 156 printf("IPS can't establish configuration hook\n"); 157 goto error; 158 } 159 return 0; 160 error: 161 ips_pci_free(sc); 162 return (ENXIO); 163 } 164 165 static void 166 ips_intrhook(void *arg) 167 { 168 struct ips_softc *sc = (struct ips_softc *)arg; 169 170 config_intrhook_disestablish(&sc->ips_ich); 171 if (ips_adapter_init(sc)) 172 ips_pci_free(sc); 173 else 174 sc->configured = 1; 175 } 176 177 static int ips_pci_free(ips_softc_t *sc) 178 { 179 if(sc->adapter_dmatag) 180 bus_dma_tag_destroy(sc->adapter_dmatag); 181 if(sc->irqcookie) 182 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 183 if(sc->irqres) 184 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 185 if(sc->iores) 186 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 187 sc->configured = 0; 188 mtx_destroy(&sc->queue_mtx); 189 sema_destroy(&sc->cmd_sema); 190 return 0; 191 } 192 193 static int ips_pci_detach(device_t dev) 194 { 195 ips_softc_t *sc; 196 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 197 sc = (ips_softc_t *) device_get_softc(dev); 198 if (sc->configured) { 199 sc->configured = 0; 200 ips_flush_cache(sc); 201 if(ips_adapter_free(sc)) 202 return EBUSY; 203 ips_pci_free(sc); 204 bioq_flush(&sc->queue, NULL, ENXIO); 205 } 206 return 0; 207 } 208 209 static int ips_pci_shutdown(device_t dev) 210 { 211 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 212 if (sc->configured) { 213 ips_flush_cache(sc); 214 } 215 return 0; 216 } 217 218 static device_method_t ips_driver_methods[] = { 219 DEVMETHOD(device_probe, ips_pci_probe), 220 DEVMETHOD(device_attach, ips_pci_attach), 221 DEVMETHOD(device_detach, ips_pci_detach), 222 DEVMETHOD(device_shutdown, ips_pci_shutdown), 223 {0,0} 224 }; 225 226 static driver_t ips_pci_driver = { 227 "ips", 228 ips_driver_methods, 229 sizeof(ips_softc_t), 230 }; 231 232 static devclass_t ips_devclass; 233 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 234