Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/aac/aac_pci.c
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1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Adaptec, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: src/sys/dev/aac/aac_pci.c,v 1.74 2010/04/13 01:16:15 emaste Exp $ 30 */ 31 32 /* 33 * PCI bus interface and resource allocation. 34 */ 35 36 #include "opt_aac.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/module.h> 42 43 #include <sys/bio.h> 44 #include <sys/bus.h> 45 #include <sys/conf.h> 46 #include <sys/disk.h> 47 48 #include <sys/rman.h> 49 50 #include <bus/pci/pcireg.h> 51 #include <bus/pci/pcivar.h> 52 53 #include <dev/raid/aac/aacreg.h> 54 #include <dev/raid/aac/aac_ioctl.h> 55 #include <dev/raid/aac/aacvar.h> 56 57 static int aac_pci_probe(device_t dev); 58 static int aac_pci_attach(device_t dev); 59 60 static device_method_t aac_methods[] = { 61 /* Device interface */ 62 DEVMETHOD(device_probe, aac_pci_probe), 63 DEVMETHOD(device_attach, aac_pci_attach), 64 DEVMETHOD(device_detach, aac_detach), 65 DEVMETHOD(device_suspend, aac_suspend), 66 DEVMETHOD(device_resume, aac_resume), 67 68 DEVMETHOD(bus_print_child, bus_generic_print_child), 69 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 70 DEVMETHOD_END 71 }; 72 73 static driver_t aac_pci_driver = { 74 "aac", 75 aac_methods, 76 sizeof(struct aac_softc) 77 }; 78 79 static devclass_t aac_devclass; 80 81 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, NULL, NULL); 82 MODULE_DEPEND(aac, pci, 1, 1, 1); 83 84 85 struct aac_ident 86 { 87 u_int16_t vendor; 88 u_int16_t device; 89 u_int16_t subvendor; 90 u_int16_t subdevice; 91 int hwif; 92 int quirks; 93 char *desc; 94 } aac_identifiers[] = { 95 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 96 "Dell PERC 2/Si"}, 97 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 98 "Dell PERC 3/Di"}, 99 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 100 "Dell PERC 3/Si"}, 101 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 102 "Dell PERC 3/Si"}, 103 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Di"}, 105 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Di"}, 107 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Di"}, 109 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 114 "Adaptec AAC-364"}, 115 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 116 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 117 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 118 "Dell PERC 2/QC"}, 119 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 120 "HP NetRaid-4M"}, 121 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 122 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 123 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 124 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 125 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 127 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 128 "Adaptec SATA RAID 2410SA"}, 129 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 130 "Dell CERC SATA RAID 2"}, 131 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 132 "Adaptec SATA RAID 2810SA"}, 133 {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 134 "Adaptec SATA RAID 21610SA"}, 135 {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 136 "HP ML110 G2 (Adaptec 2610SA)"}, 137 {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0, 138 "Adaptec SCSI RAID 2230S"}, 139 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 140 "Adaptec SCSI RAID 2130S"}, 141 142 {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 143 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 144 {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 145 AAC_FLAGS_256FIBS, "Legend S220"}, 146 {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 147 AAC_FLAGS_256FIBS, "Legend S230"}, 148 {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0, 149 "Adaptec SCSI RAID 3230S"}, 150 {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0, 151 "Adaptec SCSI RAID 3240S"}, 152 {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0, 153 "Adaptec SCSI RAID 2020ZCR"}, 154 {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0, 155 "Adaptec SCSI RAID 2025ZCR"}, 156 {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, 0, 157 "Adaptec SATA RAID 2820SA"}, 158 {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0, 159 "Adaptec SATA RAID 2620SA"}, 160 {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0, 161 "Adaptec SATA RAID 2420SA"}, 162 {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0, 163 "ICP ICP9024RO SCSI RAID"}, 164 {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0, 165 "ICP ICP9014RO SCSI RAID"}, 166 {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0, 167 "Adaptec SATA RAID 2026ZCR"}, 168 {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0, 169 "Adaptec SCSI RAID 2240S"}, 170 {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0, 171 "Adaptec SAS RAID 4005SAS"}, 172 {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0, 173 "IBM ServeRAID 8i"}, 174 {0x9005, 0x0285, 0x1014, 0x0312, AAC_HWIF_I960RX, 0, 175 "IBM ServeRAID 8i"}, 176 {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0, 177 "Adaptec RAID 4000"}, 178 {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0, 179 "Adaptec SAS RAID 4800SAS"}, 180 {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0, 181 "Adaptec SAS RAID 4805SAS"}, 182 {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0, 183 "Adaptec SATA RAID 2020SA ZCR"}, 184 {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0, 185 "Adaptec SATA RAID 2025SA ZCR"}, 186 {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0, 187 "ICP ICP9085LI SAS RAID"}, 188 {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0, 189 "ICP ICP5085BR SAS RAID"}, 190 {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0, 191 "ICP ICP9047MA SATA RAID"}, 192 {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0, 193 "ICP ICP9087MA SATA RAID"}, 194 {0x9005, 0x0286, 0x9005, 0x02a6, AAC_HWIF_RKT, 0, 195 "ICP9067MA SATA RAID"}, 196 {0x9005, 0x0285, 0x9005, 0x02b5, AAC_HWIF_I960RX, 0, 197 "Adaptec RAID 5445"}, 198 {0x9005, 0x0285, 0x9005, 0x02b6, AAC_HWIF_I960RX, 0, 199 "Adaptec RAID 5805"}, 200 {0x9005, 0x0285, 0x9005, 0x02b7, AAC_HWIF_I960RX, 0, 201 "Adaptec RAID 5085"}, 202 {0x9005, 0x0285, 0x9005, 0x02b8, AAC_HWIF_I960RX, 0, 203 "ICP RAID ICP5445SL"}, 204 {0x9005, 0x0285, 0x9005, 0x02b9, AAC_HWIF_I960RX, 0, 205 "ICP RAID ICP5085SL"}, 206 {0x9005, 0x0285, 0x9005, 0x02ba, AAC_HWIF_I960RX, 0, 207 "ICP RAID ICP5805SL"}, 208 {0x9005, 0x0285, 0x9005, 0x02bb, AAC_HWIF_I960RX, 0, 209 "Adaptec RAID 3405"}, 210 {0x9005, 0x0285, 0x9005, 0x02bc, AAC_HWIF_I960RX, 0, 211 "Adaptec RAID 3805"}, 212 {0x9005, 0x0285, 0x9005, 0x02bd, AAC_HWIF_I960RX, 0, 213 "Adaptec RAID 31205"}, 214 {0x9005, 0x0285, 0x9005, 0x02be, AAC_HWIF_I960RX, 0, 215 "Adaptec RAID 31605"}, 216 {0x9005, 0x0285, 0x9005, 0x02bf, AAC_HWIF_I960RX, 0, 217 "ICP RAID ICP5045BL"}, 218 {0x9005, 0x0285, 0x9005, 0x02c0, AAC_HWIF_I960RX, 0, 219 "ICP RAID ICP5085BL"}, 220 {0x9005, 0x0285, 0x9005, 0x02c1, AAC_HWIF_I960RX, 0, 221 "ICP RAID ICP5125BR"}, 222 {0x9005, 0x0285, 0x9005, 0x02c2, AAC_HWIF_I960RX, 0, 223 "ICP RAID ICP5165BR"}, 224 {0x9005, 0x0285, 0x9005, 0x02c3, AAC_HWIF_I960RX, 0, 225 "Adaptec RAID 51205"}, 226 {0x9005, 0x0285, 0x9005, 0x02c4, AAC_HWIF_I960RX, 0, 227 "Adaptec RAID 51605"}, 228 {0x9005, 0x0285, 0x9005, 0x02c5, AAC_HWIF_I960RX, 0, 229 "ICP RAID ICP5125SL"}, 230 {0x9005, 0x0285, 0x9005, 0x02c6, AAC_HWIF_I960RX, 0, 231 "ICP RAID ICP5165SL"}, 232 {0x9005, 0x0285, 0x9005, 0x02c7, AAC_HWIF_I960RX, 0, 233 "Adaptec RAID 3085"}, 234 {0x9005, 0x0285, 0x9005, 0x02c8, AAC_HWIF_I960RX, 0, 235 "ICP RAID ICP5805BL"}, 236 {0x9005, 0x0285, 0x9005, 0x02ce, AAC_HWIF_I960RX, 0, 237 "Adaptec RAID 51245"}, 238 {0x9005, 0x0285, 0x9005, 0x02cf, AAC_HWIF_I960RX, 0, 239 "Adaptec RAID 51645"}, 240 {0x9005, 0x0285, 0x9005, 0x02d0, AAC_HWIF_I960RX, 0, 241 "Adaptec RAID 52445"}, 242 {0x9005, 0x0285, 0x9005, 0x02d1, AAC_HWIF_I960RX, 0, 243 "Adaptec RAID 5405"}, 244 {0x9005, 0x0285, 0x9005, 0x02d4, AAC_HWIF_I960RX, 0, 245 "Adaptec RAID 2045"}, 246 {0x9005, 0x0285, 0x9005, 0x02d5, AAC_HWIF_I960RX, 0, 247 "Adaptec RAID 2405"}, 248 {0x9005, 0x0285, 0x9005, 0x02d6, AAC_HWIF_I960RX, 0, 249 "Adaptec RAID 2445"}, 250 {0x9005, 0x0285, 0x9005, 0x02d7, AAC_HWIF_I960RX, 0, 251 "Adaptec RAID 2805"}, 252 {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0, 253 "IBM ServeRAID-8k"}, 254 {0x9005, 0x0285, 0x1014, 0x034d, AAC_HWIF_I960RX, 0, 255 "IBM ServeRAID 8s"}, 256 {0x9005, 0x0285, 0x108e, 0x7aac, AAC_HWIF_I960RX, 0, 257 "Sun STK RAID REM"}, 258 {0x9005, 0x0285, 0x108e, 0x7aae, AAC_HWIF_I960RX, 0, 259 "Sun STK RAID EM"}, 260 {0x9005, 0x0285, 0x108e, 0x286, AAC_HWIF_I960RX, 0, 261 "SG-XPCIESAS-R-IN"}, 262 {0x9005, 0x0285, 0x108e, 0x287, AAC_HWIF_I960RX, 0, 263 "SG-XPCIESAS-R-EX"}, 264 {0x9005, 0x0285, 0x15d9, 0x2b5, AAC_HWIF_I960RX, 0, 265 "AOC-USAS-S4i"}, 266 {0x9005, 0x0285, 0x15d9, 0x2b6, AAC_HWIF_I960RX, 0, 267 "AOC-USAS-S8i"}, 268 {0x9005, 0x0285, 0x15d9, 0x2c9, AAC_HWIF_I960RX, 0, 269 "AOC-USAS-S4iR"}, 270 {0x9005, 0x0285, 0x15d9, 0x2ca, AAC_HWIF_I960RX, 0, 271 "AOC-USAS-S8iR"}, 272 {0x9005, 0x0285, 0x15d9, 0x2d2, AAC_HWIF_I960RX, 0, 273 "AOC-USAS-S8i-LP"}, 274 {0x9005, 0x0285, 0x15d9, 0x2d3, AAC_HWIF_I960RX, 0, 275 "AOC-USAS-S8iR-LP"}, 276 {0, 0, 0, 0, 0, 0, 0} 277 }; 278 struct aac_ident 279 aac_family_identifiers[] = { 280 {0x9005, 0x0285, 0, 0, AAC_HWIF_I960RX, 0, 281 "Adaptec RAID Controller"}, 282 {0x9005, 0x0286, 0, 0, AAC_HWIF_RKT, 0, 283 "Adaptec RAID Controller"}, 284 {0, 0, 0, 0, 0, 0, 0} 285 }; 286 287 static struct aac_ident * 288 aac_find_ident(device_t dev) 289 { 290 struct aac_ident *m; 291 u_int16_t vendid, devid, sub_vendid, sub_devid; 292 293 vendid = pci_get_vendor(dev); 294 devid = pci_get_device(dev); 295 sub_vendid = pci_get_subvendor(dev); 296 sub_devid = pci_get_subdevice(dev); 297 298 for (m = aac_identifiers; m->vendor != 0; m++) { 299 if ((m->vendor == vendid) && (m->device == devid) && 300 (m->subvendor == sub_vendid) && 301 (m->subdevice == sub_devid)) 302 return (m); 303 } 304 305 for (m = aac_family_identifiers; m->vendor != 0; m++) { 306 if ((m->vendor == vendid) && (m->device == devid)) 307 return (m); 308 } 309 310 return (NULL); 311 } 312 313 /* 314 * Determine whether this is one of our supported adapters. 315 */ 316 static int 317 aac_pci_probe(device_t dev) 318 { 319 struct aac_ident *id; 320 321 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 322 323 if ((id = aac_find_ident(dev)) != NULL) { 324 device_set_desc(dev, id->desc); 325 return(BUS_PROBE_DEFAULT); 326 } 327 return(ENXIO); 328 } 329 330 /* 331 * Allocate resources for our device, set up the bus interface. 332 */ 333 static int 334 aac_pci_attach(device_t dev) 335 { 336 struct aac_softc *sc; 337 struct aac_ident *id; 338 int error; 339 u_int32_t command; 340 341 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 342 343 /* 344 * Initialise softc. 345 */ 346 sc = device_get_softc(dev); 347 bzero(sc, sizeof(*sc)); 348 sc->aac_dev = dev; 349 350 /* assume failure is 'not configured' */ 351 error = ENXIO; 352 353 /* 354 * Verify that the adapter is correctly set up in PCI space. 355 */ 356 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 357 command |= PCIM_CMD_BUSMASTEREN; 358 pci_write_config(dev, PCIR_COMMAND, command, 2); 359 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 360 if (!(command & PCIM_CMD_BUSMASTEREN)) { 361 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 362 goto out; 363 } 364 if ((command & PCIM_CMD_MEMEN) == 0) { 365 device_printf(sc->aac_dev, "memory window not available\n"); 366 goto out; 367 } 368 369 /* 370 * Allocate the PCI register window. 371 */ 372 sc->aac_regs_rid0 = PCIR_BAR(0); 373 if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev, 374 SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) { 375 device_printf(sc->aac_dev, 376 "couldn't allocate register window 0\n"); 377 goto out; 378 } 379 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 380 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 381 382 if (sc->aac_hwif == AAC_HWIF_NARK) { 383 sc->aac_regs_rid1 = PCIR_BAR(1); 384 if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev, 385 SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) { 386 device_printf(sc->aac_dev, 387 "couldn't allocate register window 1\n"); 388 goto out; 389 } 390 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 391 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 392 } else { 393 sc->aac_regs_res1 = sc->aac_regs_res0; 394 sc->aac_regs_rid1 = sc->aac_regs_rid0; 395 sc->aac_btag1 = sc->aac_btag0; 396 sc->aac_bhandle1 = sc->aac_bhandle0; 397 } 398 399 /* 400 * Allocate the parent bus DMA tag appropriate for our PCI interface. 401 * 402 * Note that some of these controllers are 64-bit capable. 403 */ 404 if (bus_dma_tag_create(NULL, /* parent */ 405 PAGE_SIZE, 0, /* algnmnt, boundary */ 406 BUS_SPACE_MAXADDR, /* lowaddr */ 407 BUS_SPACE_MAXADDR, /* highaddr */ 408 NULL, NULL, /* filter, filterarg */ 409 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 410 BUS_SPACE_UNRESTRICTED, /* nsegments */ 411 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 412 0, /* flags */ 413 &sc->aac_parent_dmat)) { 414 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 415 goto out; 416 } 417 418 /* 419 * Detect the hardware interface version, set up the bus interface 420 * indirection. 421 */ 422 id = aac_find_ident(dev); 423 sc->aac_hwif = id->hwif; 424 switch(sc->aac_hwif) { 425 case AAC_HWIF_I960RX: 426 case AAC_HWIF_NARK: 427 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for i960Rx/NARK"); 428 sc->aac_if = aac_rx_interface; 429 break; 430 case AAC_HWIF_STRONGARM: 431 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for StrongARM"); 432 sc->aac_if = aac_sa_interface; 433 break; 434 case AAC_HWIF_RKT: 435 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for Rocket/MIPS"); 436 sc->aac_if = aac_rkt_interface; 437 break; 438 default: 439 sc->aac_hwif = AAC_HWIF_UNKNOWN; 440 device_printf(sc->aac_dev, "unknown hardware type\n"); 441 error = ENXIO; 442 goto out; 443 } 444 445 /* Set up quirks */ 446 sc->flags = id->quirks; 447 448 /* 449 * Do bus-independent initialisation. 450 */ 451 error = aac_attach(sc); 452 453 out: 454 if (error) 455 aac_free(sc); 456 return(error); 457 } 458 459 /* 460 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 461 * controller. This is needed to keep the power management subsystem from 462 * trying to power down these devices. 463 */ 464 static int aacch_probe(device_t dev); 465 static int aacch_attach(device_t dev); 466 static int aacch_detach(device_t dev); 467 468 static device_method_t aacch_methods[] = { 469 /* Device interface */ 470 DEVMETHOD(device_probe, aacch_probe), 471 DEVMETHOD(device_attach, aacch_attach), 472 DEVMETHOD(device_detach, aacch_detach), 473 DEVMETHOD_END 474 }; 475 476 struct aacch_softc { 477 device_t dev; 478 }; 479 480 static driver_t aacch_driver = { 481 "aacch", 482 aacch_methods, 483 sizeof(struct aacch_softc) 484 }; 485 486 static devclass_t aacch_devclass; 487 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, NULL, NULL); 488 489 static int 490 aacch_probe(device_t dev) 491 { 492 493 if ((pci_get_vendor(dev) != 0x9005) || 494 (pci_get_device(dev) != 0x00c5)) 495 return (ENXIO); 496 497 device_set_desc(dev, "AAC RAID Channel"); 498 return (-10); 499 } 500 501 static int 502 aacch_attach(device_t dev) 503 { 504 struct aacch_softc *sc; 505 506 sc = device_get_softc(dev); 507 508 sc->dev = dev; 509 510 return (0); 511 } 512 513 static int 514 aacch_detach(device_t dev) 515 { 516 517 return (0); 518 }
Cache object: ae3b30b6bbdefb17449b66260420a18c
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