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 * $FreeBSD: src/sys/dev/ips/ips_pci.c,v 1.10 2004/03/19 17:36:47 scottl Exp $ 29 * $DragonFly: src/sys/dev/raid/ips/ips_pci.c,v 1.8 2004/09/26 05:30:24 dillon Exp $ 30 */ 31 32 #include <dev/raid/ips/ips.h> 33 34 static int ips_pci_free(ips_softc_t *sc); 35 static void ips_intrhook(void *arg); 36 37 static struct ips_pci_product { 38 uint16_t vendor, device; 39 const char *desc; 40 int (*ips_adapter_reinit)(struct ips_softc *, int); 41 void (*ips_adapter_intr)(void *); 42 void (*ips_issue_cmd)(ips_command_t *); 43 } ips_pci_products[] = { 44 { IPS_VENDOR_ID, IPS_MORPHEUS_DEVICE_ID, "IBM ServeRAID Adapter", 45 ips_morpheus_reinit, ips_morpheus_intr, ips_issue_morpheus_cmd }, 46 { IPS_VENDOR_ID, IPS_COPPERHEAD_DEVICE_ID, "IBM ServeRAID Adapter", 47 ips_copperhead_reinit, ips_copperhead_intr, 48 ips_issue_copperhead_cmd }, 49 { IPS_VENDOR_ID_ADAPTEC, IPS_MARCO_DEVICE_ID, 50 "Adaptec ServeRAID Adapter", ips_morpheus_reinit, ips_morpheus_intr, 51 ips_issue_morpheus_cmd }, 52 { 0, 0, NULL } 53 }; 54 55 static int 56 ips_pci_probe(device_t dev) 57 { 58 uint16_t vendor = pci_get_vendor(dev); 59 uint16_t device = pci_get_device(dev); 60 struct ips_pci_product *pp; 61 ips_softc_t *sc; 62 63 for (pp = ips_pci_products; pp->vendor; pp++) { 64 if (vendor == pp->vendor && device == pp->device) { 65 sc = (ips_softc_t *)device_get_softc(dev); 66 sc->ips_adapter_reinit = pp->ips_adapter_reinit; 67 sc->ips_adapter_intr = pp->ips_adapter_intr; 68 sc->ips_issue_cmd = pp->ips_issue_cmd; 69 device_set_desc(dev, pp->desc); 70 return (0); 71 } 72 } 73 return (ENXIO); 74 } 75 76 static int 77 ips_pci_attach(device_t dev) 78 { 79 u_int32_t command; 80 ips_softc_t *sc; 81 82 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 83 device_printf(dev, "device is disabled\n"); 84 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 85 return (0); 86 } 87 DEVICE_PRINTF(1, dev, "in attach.\n"); 88 sc = (ips_softc_t *)device_get_softc(dev); 89 sc->dev = dev; 90 /* make sure busmastering is on */ 91 pci_enable_busmaster(dev); 92 command = pci_read_config(dev, PCIR_COMMAND, 1); 93 /* seting up io space */ 94 sc->iores = NULL; 95 if (command & PCIM_CMD_MEMEN) { 96 PRINTF(10, "trying MEMIO\n"); 97 if (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 98 sc->rid = PCIR_BAR(1); 99 else 100 sc->rid = PCIR_BAR(0); 101 sc->iotype = SYS_RES_MEMORY; 102 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 103 &sc->rid, RF_ACTIVE); 104 } 105 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) { 106 PRINTF(10, "trying PORTIO\n"); 107 sc->rid = PCIR_BAR(0); 108 sc->iotype = SYS_RES_IOPORT; 109 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 110 &sc->rid, RF_ACTIVE); 111 } 112 if (sc->iores == NULL) { 113 device_printf(dev, "resource allocation failed\n"); 114 return (ENXIO); 115 } 116 sc->bustag = rman_get_bustag(sc->iores); 117 sc->bushandle = rman_get_bushandle(sc->iores); 118 /* 119 * allocate an interrupt. when does the irq become active? 120 * after leaving attach? 121 */ 122 sc->irqrid = 0; 123 if ((sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 124 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 125 device_printf(dev, "irq allocation failed\n"); 126 goto error; 127 } 128 if (bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, 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( /* parent */ NULL, 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 &sc->adapter_dmatag) != 0) { 145 printf("IPS can't alloc dma tag\n"); 146 goto error; 147 } 148 sc->ips_ich.ich_func = ips_intrhook; 149 sc->ips_ich.ich_arg = sc; 150 if (config_intrhook_establish(&sc->ips_ich) != 0) { 151 printf("IPS can't establish configuration hook\n"); 152 goto error; 153 } 154 return 0; 155 error: 156 ips_pci_free(sc); 157 return (ENXIO); 158 } 159 160 static void 161 ips_intrhook(void *arg) 162 { 163 struct ips_softc *sc = arg; 164 165 config_intrhook_disestablish(&sc->ips_ich); 166 if (ips_adapter_init(sc)) 167 ips_pci_free(sc); 168 else 169 sc->configured = 1; 170 } 171 172 static int 173 ips_pci_free(ips_softc_t *sc) 174 { 175 176 if (sc->adapter_dmatag) 177 bus_dma_tag_destroy(sc->adapter_dmatag); 178 if (sc->irqcookie) 179 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 180 if (sc->irqres) 181 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, 182 sc->irqres); 183 if (sc->iores) 184 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 185 sc->configured = 0; 186 return 0; 187 } 188 189 static int 190 ips_pci_detach(device_t dev) 191 { 192 ips_softc_t *sc; 193 194 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 195 sc = (ips_softc_t *)device_get_softc(dev); 196 if (sc->configured) { 197 sc->configured = 0; 198 ips_flush_cache(sc); 199 if (ips_adapter_free(sc)) 200 return EBUSY; 201 ips_pci_free(sc); 202 IPS_LOCK_FREE(sc); 203 } 204 return 0; 205 } 206 207 static int 208 ips_pci_shutdown(device_t dev) 209 { 210 ips_softc_t *sc; 211 212 sc = (ips_softc_t *)device_get_softc(dev); 213 if (sc->configured) 214 ips_flush_cache(sc); 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