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 u_int32_t command; 63 ips_softc_t *sc; 64 65 66 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 67 device_printf(dev, "device is disabled\n"); 68 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 69 return (0); 70 } 71 DEVICE_PRINTF(1, dev, "in attach.\n"); 72 sc = (ips_softc_t *)device_get_softc(dev); 73 if(!sc){ 74 printf("how is sc NULL?!\n"); 75 return (ENXIO); 76 } 77 bzero(sc, sizeof(ips_softc_t)); 78 sc->dev = dev; 79 80 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){ 81 sc->ips_adapter_reinit = ips_morpheus_reinit; 82 sc->ips_adapter_intr = ips_morpheus_intr; 83 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 84 sc->ips_poll_cmd = ips_morpheus_poll; 85 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){ 86 sc->ips_adapter_reinit = ips_copperhead_reinit; 87 sc->ips_adapter_intr = ips_copperhead_intr; 88 sc->ips_issue_cmd = ips_issue_copperhead_cmd; 89 sc->ips_poll_cmd = ips_copperhead_poll; 90 } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){ 91 sc->ips_adapter_reinit = ips_morpheus_reinit; 92 sc->ips_adapter_intr = ips_morpheus_intr; 93 sc->ips_issue_cmd = ips_issue_morpheus_cmd; 94 sc->ips_poll_cmd = ips_morpheus_poll; 95 } else 96 goto error; 97 /* make sure busmastering is on */ 98 command = pci_read_config(dev, PCIR_COMMAND, 1); 99 command |= PCIM_CMD_BUSMASTEREN; 100 pci_write_config(dev, PCIR_COMMAND, command, 1); 101 /* seting up io space */ 102 sc->iores = NULL; 103 if(command & PCIM_CMD_MEMEN){ 104 PRINTF(10, "trying MEMIO\n"); 105 if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 106 sc->rid = PCIR_BAR(1); 107 else 108 sc->rid = PCIR_BAR(0); 109 sc->iotype = SYS_RES_MEMORY; 110 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 111 &sc->rid, RF_ACTIVE); 112 } 113 if(!sc->iores && command & PCIM_CMD_PORTEN){ 114 PRINTF(10, "trying PORTIO\n"); 115 sc->rid = PCIR_BAR(0); 116 sc->iotype = SYS_RES_IOPORT; 117 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 118 &sc->rid, RF_ACTIVE); 119 } 120 if(sc->iores == NULL){ 121 device_printf(dev, "resource allocation failed\n"); 122 return (ENXIO); 123 } 124 sc->bustag = rman_get_bustag(sc->iores); 125 sc->bushandle = rman_get_bushandle(sc->iores); 126 /*allocate an interrupt. when does the irq become active? after leaving attach? */ 127 sc->irqrid = 0; 128 if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 129 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){ 130 device_printf(dev, "irq allocation failed\n"); 131 goto error; 132 } 133 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL, 134 sc->ips_adapter_intr, sc, &sc->irqcookie)){ 135 device_printf(dev, "irq setup failed\n"); 136 goto error; 137 } 138 if (bus_dma_tag_create( /* parent */ NULL, 139 /* alignemnt */ 1, 140 /* boundary */ 0, 141 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 142 /* highaddr */ BUS_SPACE_MAXADDR, 143 /* filter */ NULL, 144 /* filterarg */ NULL, 145 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 146 /* numsegs */ IPS_MAX_SG_ELEMENTS, 147 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 148 /* flags */ 0, 149 /* lockfunc */ NULL, 150 /* lockarg */ NULL, 151 &sc->adapter_dmatag) != 0) { 152 printf("IPS can't alloc dma tag\n"); 153 goto error; 154 } 155 sc->ips_ich.ich_func = ips_intrhook; 156 sc->ips_ich.ich_arg = sc; 157 mtx_init(&sc->queue_mtx, "IPS bioqueue lock", MTX_DEF, 0); 158 sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore"); 159 bioq_init(&sc->queue); 160 if (config_intrhook_establish(&sc->ips_ich) != 0) { 161 printf("IPS can't establish configuration hook\n"); 162 goto error; 163 } 164 return 0; 165 error: 166 ips_pci_free(sc); 167 return (ENXIO); 168 } 169 170 static void 171 ips_intrhook(void *arg) 172 { 173 struct ips_softc *sc = (struct ips_softc *)arg; 174 175 config_intrhook_disestablish(&sc->ips_ich); 176 if (ips_adapter_init(sc)) 177 ips_pci_free(sc); 178 else 179 sc->configured = 1; 180 } 181 182 static int ips_pci_free(ips_softc_t *sc) 183 { 184 if(sc->adapter_dmatag) 185 bus_dma_tag_destroy(sc->adapter_dmatag); 186 if(sc->irqcookie) 187 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 188 if(sc->irqres) 189 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres); 190 if(sc->iores) 191 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 192 sc->configured = 0; 193 mtx_destroy(&sc->queue_mtx); 194 sema_destroy(&sc->cmd_sema); 195 return 0; 196 } 197 198 static int ips_pci_detach(device_t dev) 199 { 200 ips_softc_t *sc; 201 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 202 sc = (ips_softc_t *) device_get_softc(dev); 203 if (sc->configured) { 204 sc->configured = 0; 205 ips_flush_cache(sc); 206 if(ips_adapter_free(sc)) 207 return EBUSY; 208 ips_pci_free(sc); 209 bioq_flush(&sc->queue, NULL, ENXIO); 210 } 211 return 0; 212 } 213 214 static int ips_pci_shutdown(device_t dev) 215 { 216 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev); 217 if (sc->configured) { 218 ips_flush_cache(sc); 219 } 220 return 0; 221 } 222 223 static device_method_t ips_driver_methods[] = { 224 DEVMETHOD(device_probe, ips_pci_probe), 225 DEVMETHOD(device_attach, ips_pci_attach), 226 DEVMETHOD(device_detach, ips_pci_detach), 227 DEVMETHOD(device_shutdown, ips_pci_shutdown), 228 {0,0} 229 }; 230 231 static driver_t ips_pci_driver = { 232 "ips", 233 ips_driver_methods, 234 sizeof(ips_softc_t), 235 }; 236 237 static devclass_t ips_devclass; 238 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 239