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 1.7 2004/09/08 03:21:14 joerg 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, IPS_MARCO_DEVICE_ID, "Adaptec ServeRAID Adapter", 50 ips_morpheus_reinit, ips_morpheus_intr, ips_issue_morpheus_cmd }, 51 { 0, 0, NULL } 52 }; 53 54 static int 55 ips_pci_probe(device_t dev) 56 { 57 uint16_t vendor = pci_get_vendor(dev); 58 uint16_t device = pci_get_device(dev); 59 struct ips_pci_product *pp; 60 ips_softc_t *sc; 61 62 for (pp = ips_pci_products; pp->vendor; pp++) { 63 if (vendor == pp->vendor && device == pp->device) { 64 sc = (ips_softc_t *)device_get_softc(dev); 65 sc->ips_adapter_reinit = pp->ips_adapter_reinit; 66 sc->ips_adapter_intr = pp->ips_adapter_intr; 67 sc->ips_issue_cmd = pp->ips_issue_cmd; 68 device_set_desc(dev, pp->desc); 69 return (0); 70 } 71 } 72 return (ENXIO); 73 } 74 75 static int 76 ips_pci_attach(device_t dev) 77 { 78 u_int32_t command; 79 ips_softc_t *sc; 80 81 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 82 device_printf(dev, "device is disabled\n"); 83 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 84 return (0); 85 } 86 DEVICE_PRINTF(1, dev, "in attach.\n"); 87 sc = (ips_softc_t *)device_get_softc(dev); 88 sc->dev = dev; 89 /* make sure busmastering is on */ 90 pci_enable_busmaster(dev); 91 command = pci_read_config(dev, PCIR_COMMAND, 1); 92 /* seting up io space */ 93 sc->iores = NULL; 94 if (command & PCIM_CMD_MEMEN) { 95 PRINTF(10, "trying MEMIO\n"); 96 if (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 97 sc->rid = PCIR_BAR(1); 98 else 99 sc->rid = PCIR_BAR(0); 100 sc->iotype = SYS_RES_MEMORY; 101 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 102 &sc->rid, RF_ACTIVE); 103 } 104 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) { 105 PRINTF(10, "trying PORTIO\n"); 106 sc->rid = PCIR_BAR(0); 107 sc->iotype = SYS_RES_IOPORT; 108 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 109 &sc->rid, RF_ACTIVE); 110 } 111 if (sc->iores == NULL) { 112 device_printf(dev, "resource allocation failed\n"); 113 return (ENXIO); 114 } 115 sc->bustag = rman_get_bustag(sc->iores); 116 sc->bushandle = rman_get_bushandle(sc->iores); 117 /* 118 * allocate an interrupt. when does the irq become active? 119 * after leaving attach? 120 */ 121 sc->irqrid = 0; 122 if ((sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 123 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 124 device_printf(dev, "irq allocation failed\n"); 125 goto error; 126 } 127 if (bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO, 128 sc->ips_adapter_intr, sc, &sc->irqcookie)) { 129 device_printf(dev, "irq setup failed\n"); 130 goto error; 131 } 132 if (bus_dma_tag_create( /* parent */ NULL, 133 /* alignemnt */ 1, 134 /* boundary */ 0, 135 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 136 /* highaddr */ BUS_SPACE_MAXADDR, 137 /* filter */ NULL, 138 /* filterarg */ NULL, 139 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 140 /* numsegs */ IPS_MAX_SG_ELEMENTS, 141 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 142 /* flags */ 0, 143 &sc->adapter_dmatag) != 0) { 144 printf("IPS can't alloc dma tag\n"); 145 goto error; 146 } 147 sc->ips_ich.ich_func = ips_intrhook; 148 sc->ips_ich.ich_arg = sc; 149 if (config_intrhook_establish(&sc->ips_ich) != 0) { 150 printf("IPS can't establish configuration hook\n"); 151 goto error; 152 } 153 return 0; 154 error: 155 ips_pci_free(sc); 156 return (ENXIO); 157 } 158 159 static void 160 ips_intrhook(void *arg) 161 { 162 struct ips_softc *sc = arg; 163 164 config_intrhook_disestablish(&sc->ips_ich); 165 if (ips_adapter_init(sc)) 166 ips_pci_free(sc); 167 else 168 sc->configured = 1; 169 } 170 171 static int 172 ips_pci_free(ips_softc_t *sc) 173 { 174 175 if (sc->adapter_dmatag) 176 bus_dma_tag_destroy(sc->adapter_dmatag); 177 if (sc->irqcookie) 178 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 179 if (sc->irqres) 180 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, 181 sc->irqres); 182 if (sc->iores) 183 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 184 sc->configured = 0; 185 return 0; 186 } 187 188 static int 189 ips_pci_detach(device_t dev) 190 { 191 ips_softc_t *sc; 192 193 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 194 sc = (ips_softc_t *)device_get_softc(dev); 195 if (sc->configured) { 196 sc->configured = 0; 197 ips_flush_cache(sc); 198 if (ips_adapter_free(sc)) 199 return EBUSY; 200 ips_pci_free(sc); 201 IPS_LOCK_FREE(sc); 202 } 203 return 0; 204 } 205 206 static int 207 ips_pci_shutdown(device_t dev) 208 { 209 ips_softc_t *sc; 210 211 sc = (ips_softc_t *)device_get_softc(dev); 212 if (sc->configured) 213 ips_flush_cache(sc); 214 return 0; 215 } 216 217 static device_method_t ips_driver_methods[] = { 218 DEVMETHOD(device_probe, ips_pci_probe), 219 DEVMETHOD(device_attach, ips_pci_attach), 220 DEVMETHOD(device_detach, ips_pci_detach), 221 DEVMETHOD(device_shutdown, ips_pci_shutdown), 222 { 0, 0 } 223 }; 224 225 static driver_t ips_pci_driver = { 226 "ips", 227 ips_driver_methods, 228 sizeof(ips_softc_t), 229 }; 230 231 static devclass_t ips_devclass; 232 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 233