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 1.17 2006/12/22 23:26:23 swildner 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 void (*ips_poll_cmd)(ips_command_t *); 44 } ips_pci_products[] = { 45 { IPS_VENDOR_ID, IPS_MORPHEUS_DEVICE_ID, "IBM ServeRAID Adapter", 46 ips_morpheus_reinit, ips_morpheus_intr, ips_issue_morpheus_cmd, 47 ips_morpheus_poll }, 48 { IPS_VENDOR_ID, IPS_COPPERHEAD_DEVICE_ID, "IBM ServeRAID Adapter", 49 ips_copperhead_reinit, ips_copperhead_intr, ips_issue_copperhead_cmd, 50 ips_copperhead_poll }, 51 { IPS_VENDOR_ID_ADAPTEC, IPS_MARCO_DEVICE_ID, 52 "Adaptec ServeRAID Adapter", ips_morpheus_reinit, ips_morpheus_intr, 53 ips_issue_morpheus_cmd, ips_morpheus_poll }, 54 { 0, 0, NULL } 55 }; 56 57 static int 58 ips_pci_probe(device_t dev) 59 { 60 uint16_t vendor = pci_get_vendor(dev); 61 uint16_t device = pci_get_device(dev); 62 struct ips_pci_product *pp; 63 ips_softc_t *sc; 64 65 for (pp = ips_pci_products; pp->vendor; pp++) { 66 if (vendor == pp->vendor && device == pp->device) { 67 sc = (ips_softc_t *)device_get_softc(dev); 68 sc->ips_adapter_reinit = pp->ips_adapter_reinit; 69 sc->ips_adapter_intr = pp->ips_adapter_intr; 70 sc->ips_issue_cmd = pp->ips_issue_cmd; 71 sc->ips_poll_cmd = pp->ips_poll_cmd; 72 device_set_desc(dev, pp->desc); 73 return (0); 74 } 75 } 76 return (ENXIO); 77 } 78 79 static int 80 ips_pci_attach(device_t dev) 81 { 82 u_int32_t command; 83 ips_softc_t *sc; 84 int error; 85 86 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 87 device_printf(dev, "device is disabled\n"); 88 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 89 return (0); 90 } 91 DEVICE_PRINTF(1, dev, "in attach.\n"); 92 sc = (ips_softc_t *)device_get_softc(dev); 93 sc->dev = dev; 94 /* make sure busmastering is on */ 95 pci_enable_busmaster(dev); 96 command = pci_read_config(dev, PCIR_COMMAND, 1); 97 /* seting up io space */ 98 sc->iores = NULL; 99 if (command & PCIM_CMD_MEMEN) { 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, 107 &sc->rid, RF_ACTIVE); 108 } 109 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) { 110 PRINTF(10, "trying PORTIO\n"); 111 sc->rid = PCIR_BAR(0); 112 sc->iotype = SYS_RES_IOPORT; 113 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 114 &sc->rid, RF_ACTIVE); 115 } 116 if (sc->iores == NULL) { 117 device_printf(dev, "resource allocation failed\n"); 118 return (ENXIO); 119 } 120 sc->bustag = rman_get_bustag(sc->iores); 121 sc->bushandle = rman_get_bushandle(sc->iores); 122 /* 123 * allocate an interrupt. when does the irq become active? 124 * after leaving attach? 125 */ 126 sc->irqrid = 0; 127 if ((sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 128 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 129 device_printf(dev, "irq allocation failed\n"); 130 goto error; 131 } 132 error = bus_setup_intr(dev, sc->irqres, 0, 133 sc->ips_adapter_intr, sc, 134 &sc->irqcookie, NULL); 135 if (error) { 136 device_printf(dev, "irq setup failed\n"); 137 goto error; 138 } 139 if (bus_dma_tag_create( /* parent */ NULL, 140 /* alignemnt */ 1, 141 /* boundary */ 0, 142 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 143 /* highaddr */ BUS_SPACE_MAXADDR, 144 /* filter */ NULL, 145 /* filterarg */ NULL, 146 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 147 /* numsegs */ IPS_MAX_SG_ELEMENTS, 148 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT, 149 /* flags */ 0, 150 &sc->adapter_dmatag) != 0) { 151 kprintf("IPS can't alloc dma tag\n"); 152 goto error; 153 } 154 sc->ips_ich.ich_func = ips_intrhook; 155 sc->ips_ich.ich_arg = sc; 156 sc->ips_ich.ich_desc = "ips"; 157 lockinit(&sc->queue_lock, "ipslk", 0, 0); 158 bioq_init(&sc->bio_queue); 159 if (config_intrhook_establish(&sc->ips_ich) != 0) { 160 kprintf("IPS can't establish configuration hook\n"); 161 goto error; 162 } 163 return 0; 164 error: 165 ips_pci_free(sc); 166 return (ENXIO); 167 } 168 169 static void 170 ips_intrhook(void *arg) 171 { 172 struct ips_softc *sc = arg; 173 174 config_intrhook_disestablish(&sc->ips_ich); 175 if (ips_adapter_init(sc)) 176 ips_pci_free(sc); 177 else 178 sc->configured = 1; 179 } 180 181 static int 182 ips_pci_free(ips_softc_t *sc) 183 { 184 185 if (sc->adapter_dmatag) 186 bus_dma_tag_destroy(sc->adapter_dmatag); 187 if (sc->irqcookie) 188 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie); 189 if (sc->irqres) 190 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, 191 sc->irqres); 192 if (sc->iores) 193 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 194 sc->configured = 0; 195 return 0; 196 } 197 198 static int 199 ips_pci_detach(device_t dev) 200 { 201 ips_softc_t *sc; 202 203 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 204 sc = (ips_softc_t *)device_get_softc(dev); 205 if (sc->configured) { 206 sc->configured = 0; 207 ips_flush_cache(sc); 208 if (ips_adapter_free(sc)) 209 return EBUSY; 210 ips_pci_free(sc); 211 } 212 return 0; 213 } 214 215 static int 216 ips_pci_shutdown(device_t dev) 217 { 218 ips_softc_t *sc; 219 220 sc = (ips_softc_t *)device_get_softc(dev); 221 if (sc->configured) 222 ips_flush_cache(sc); 223 return 0; 224 } 225 226 static device_method_t ips_driver_methods[] = { 227 DEVMETHOD(device_probe, ips_pci_probe), 228 DEVMETHOD(device_attach, ips_pci_attach), 229 DEVMETHOD(device_detach, ips_pci_detach), 230 DEVMETHOD(device_shutdown, ips_pci_shutdown), 231 { 0, 0 } 232 }; 233 234 static driver_t ips_pci_driver = { 235 "ips", 236 ips_driver_methods, 237 sizeof(ips_softc_t), 238 }; 239 240 static devclass_t ips_devclass; 241 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0); 242