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 */ 30 31 #include <dev/raid/ips/ips.h> 32 33 static int ips_pci_free(ips_softc_t *sc); 34 static void ips_intrhook(void *arg); 35 36 static struct ips_pci_product { 37 uint16_t vendor, device; 38 const char *desc; 39 int (*ips_adapter_reinit)(struct ips_softc *, int); 40 void (*ips_adapter_intr)(void *); 41 void (*ips_issue_cmd)(ips_command_t *); 42 void (*ips_poll_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_morpheus_poll }, 47 { IPS_VENDOR_ID, IPS_COPPERHEAD_DEVICE_ID, "IBM ServeRAID Adapter", 48 ips_copperhead_reinit, ips_copperhead_intr, ips_issue_copperhead_cmd, 49 ips_copperhead_poll }, 50 { IPS_VENDOR_ID_ADAPTEC, IPS_MARCO_DEVICE_ID, 51 "Adaptec ServeRAID Adapter", ips_morpheus_reinit, ips_morpheus_intr, 52 ips_issue_morpheus_cmd, ips_morpheus_poll }, 53 { 0, 0, NULL } 54 }; 55 56 static int 57 ips_pci_probe(device_t dev) 58 { 59 uint16_t vendor = pci_get_vendor(dev); 60 uint16_t device = pci_get_device(dev); 61 struct ips_pci_product *pp; 62 ips_softc_t *sc; 63 64 for (pp = ips_pci_products; pp->vendor; pp++) { 65 if (vendor == pp->vendor && device == pp->device) { 66 sc = (ips_softc_t *)device_get_softc(dev); 67 sc->ips_adapter_reinit = pp->ips_adapter_reinit; 68 sc->ips_adapter_intr = pp->ips_adapter_intr; 69 sc->ips_issue_cmd = pp->ips_issue_cmd; 70 sc->ips_poll_cmd = pp->ips_poll_cmd; 71 device_set_desc(dev, pp->desc); 72 return (0); 73 } 74 } 75 return (ENXIO); 76 } 77 78 static int 79 ips_pci_attach(device_t dev) 80 { 81 u_int32_t command; 82 ips_softc_t *sc; 83 int error; 84 85 if (resource_disabled(device_get_name(dev), device_get_unit(dev))) { 86 device_printf(dev, "device is disabled\n"); 87 /* but return 0 so the !$)$)*!$*) unit isn't reused */ 88 return (0); 89 } 90 DEVICE_PRINTF(1, dev, "in attach.\n"); 91 sc = (ips_softc_t *)device_get_softc(dev); 92 sc->dev = dev; 93 /* make sure busmastering is on */ 94 pci_enable_busmaster(dev); 95 command = pci_read_config(dev, PCIR_COMMAND, 1); 96 /* seting up io space */ 97 sc->iores = NULL; 98 if (command & PCIM_CMD_MEMEN) { 99 PRINTF(10, "trying MEMIO\n"); 100 if (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID) 101 sc->rid = PCIR_BAR(1); 102 else 103 sc->rid = PCIR_BAR(0); 104 sc->iotype = SYS_RES_MEMORY; 105 sc->iores = bus_alloc_resource_any(dev, sc->iotype, 106 &sc->rid, RF_ACTIVE); 107 } 108 if (sc->iores == NULL && command & PCIM_CMD_PORTEN) { 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 /* 122 * allocate an interrupt. when does the irq become active? 123 * after leaving attach? 124 */ 125 sc->irqrid = 0; 126 if ((sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, 127 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 128 device_printf(dev, "irq allocation failed\n"); 129 goto error; 130 } 131 error = bus_setup_intr(dev, sc->irqres, 0, 132 sc->ips_adapter_intr, sc, 133 &sc->irqcookie, NULL); 134 if (error) { 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 &sc->adapter_dmatag) != 0) { 150 kprintf("IPS can't alloc dma tag\n"); 151 goto error; 152 } 153 sc->ips_ich.ich_func = ips_intrhook; 154 sc->ips_ich.ich_arg = sc; 155 sc->ips_ich.ich_desc = "ips"; 156 lockinit(&sc->queue_lock, "ipslk", 0, LK_CANRECURSE); 157 bioq_init(&sc->bio_queue); 158 if (config_intrhook_establish(&sc->ips_ich) != 0) { 159 kprintf("IPS can't establish configuration hook\n"); 160 goto error; 161 } 162 return 0; 163 error: 164 ips_pci_free(sc); 165 return (ENXIO); 166 } 167 168 static void 169 ips_intrhook(void *arg) 170 { 171 struct ips_softc *sc = arg; 172 173 config_intrhook_disestablish(&sc->ips_ich); 174 if (ips_adapter_init(sc)) 175 ips_pci_free(sc); 176 else 177 sc->configured = 1; 178 } 179 180 static int 181 ips_pci_free(ips_softc_t *sc) 182 { 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, 190 sc->irqres); 191 if (sc->iores) 192 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores); 193 sc->configured = 0; 194 return 0; 195 } 196 197 static int 198 ips_pci_detach(device_t dev) 199 { 200 ips_softc_t *sc; 201 202 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n"); 203 sc = (ips_softc_t *)device_get_softc(dev); 204 if (sc->configured) { 205 sc->configured = 0; 206 ips_flush_cache(sc); 207 if (ips_adapter_free(sc)) 208 return EBUSY; 209 ips_pci_free(sc); 210 } 211 return 0; 212 } 213 214 static int 215 ips_pci_shutdown(device_t dev) 216 { 217 ips_softc_t *sc; 218 219 sc = (ips_softc_t *)device_get_softc(dev); 220 if (sc->configured) 221 ips_flush_cache(sc); 222 return 0; 223 } 224 225 static device_method_t ips_driver_methods[] = { 226 DEVMETHOD(device_probe, ips_pci_probe), 227 DEVMETHOD(device_attach, ips_pci_attach), 228 DEVMETHOD(device_detach, ips_pci_detach), 229 DEVMETHOD(device_shutdown, ips_pci_shutdown), 230 DEVMETHOD_END 231 }; 232 233 static driver_t ips_pci_driver = { 234 "ips", 235 ips_driver_methods, 236 sizeof(ips_softc_t), 237 }; 238 239 static devclass_t ips_devclass; 240 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, NULL, NULL); 241