1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2001 Scott Long 6 * Copyright (c) 2000 BSDi 7 * Copyright (c) 2001 Adaptec, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 /* 36 * PCI bus interface and resource allocation. 37 */ 38 39 #include "opt_aac.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/kernel.h> 44 #include <sys/module.h> 45 46 #include <sys/bio.h> 47 #include <sys/bus.h> 48 #include <sys/conf.h> 49 #include <sys/disk.h> 50 51 #include <machine/bus.h> 52 #include <machine/resource.h> 53 #include <sys/rman.h> 54 55 #include <dev/pci/pcireg.h> 56 #include <dev/pci/pcivar.h> 57 58 #include <dev/aac/aacreg.h> 59 #include <sys/aac_ioctl.h> 60 #include <dev/aac/aacvar.h> 61 62 static int aac_pci_probe(device_t dev); 63 static int aac_pci_attach(device_t dev); 64 65 static int aac_enable_msi = 1; 66 SYSCTL_INT(_hw_aac, OID_AUTO, enable_msi, CTLFLAG_RDTUN, &aac_enable_msi, 0, 67 "Enable MSI interrupts"); 68 69 static device_method_t aac_methods[] = { 70 /* Device interface */ 71 DEVMETHOD(device_probe, aac_pci_probe), 72 DEVMETHOD(device_attach, aac_pci_attach), 73 DEVMETHOD(device_detach, aac_detach), 74 DEVMETHOD(device_suspend, aac_suspend), 75 DEVMETHOD(device_resume, aac_resume), 76 77 DEVMETHOD_END 78 }; 79 80 static driver_t aac_pci_driver = { 81 "aac", 82 aac_methods, 83 sizeof(struct aac_softc) 84 }; 85 86 static devclass_t aac_devclass; 87 88 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, NULL, NULL); 89 MODULE_DEPEND(aac, pci, 1, 1, 1); 90 91 static const struct aac_ident 92 { 93 u_int16_t vendor; 94 u_int16_t device; 95 u_int16_t subvendor; 96 u_int16_t subdevice; 97 int hwif; 98 int quirks; 99 const char *desc; 100 } aac_identifiers[] = { 101 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 102 "Dell PERC 2/Si"}, 103 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Di"}, 105 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Si"}, 107 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Si"}, 109 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 114 "Dell PERC 3/Di"}, 115 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 116 "Dell PERC 3/Di"}, 117 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 118 "Dell PERC 3/Di"}, 119 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 120 "Adaptec AAC-364"}, 121 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 122 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 123 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 124 "Dell PERC 2/QC"}, 125 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 126 "HP NetRaid-4M"}, 127 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 129 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 130 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 131 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 132 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 133 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 134 "Adaptec SATA RAID 2410SA"}, 135 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 136 "Dell CERC SATA RAID 2"}, 137 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 138 "Adaptec SATA RAID 2810SA"}, 139 {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 140 "Adaptec SATA RAID 21610SA"}, 141 {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 142 "HP ML110 G2 (Adaptec 2610SA)"}, 143 {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 144 "Adaptec SCSI RAID 2230S"}, 145 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 146 "Adaptec SCSI RAID 2130S"}, 147 {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 148 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 149 {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 150 AAC_FLAGS_256FIBS, "Legend S220"}, 151 {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 152 AAC_FLAGS_256FIBS, "Legend S230"}, 153 {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0, 154 "Adaptec SCSI RAID 3230S"}, 155 {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0, 156 "Adaptec SCSI RAID 3240S"}, 157 {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0, 158 "Adaptec SCSI RAID 2020ZCR"}, 159 {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0, 160 "Adaptec SCSI RAID 2025ZCR"}, 161 {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 162 "Adaptec SATA RAID 2820SA"}, 163 {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0, 164 "Adaptec SATA RAID 2620SA"}, 165 {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0, 166 "Adaptec SATA RAID 2420SA"}, 167 {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0, 168 "ICP ICP9024RO SCSI RAID"}, 169 {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0, 170 "ICP ICP9014RO SCSI RAID"}, 171 {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0, 172 "Adaptec SATA RAID 2026ZCR"}, 173 {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0, 174 "Adaptec SCSI RAID 2240S"}, 175 {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0, 176 "Adaptec SAS RAID 4005SAS"}, 177 {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0, 178 "IBM ServeRAID 8i"}, 179 {0x9005, 0x0285, 0x1014, 0x0312, AAC_HWIF_I960RX, 0, 180 "IBM ServeRAID 8i"}, 181 {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0, 182 "Adaptec RAID 4000"}, 183 {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0, 184 "Adaptec SAS RAID 4800SAS"}, 185 {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0, 186 "Adaptec SAS RAID 4805SAS"}, 187 {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0, 188 "Adaptec SATA RAID 2020SA ZCR"}, 189 {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0, 190 "Adaptec SATA RAID 2025SA ZCR"}, 191 {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0, 192 "ICP ICP9085LI SAS RAID"}, 193 {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0, 194 "ICP ICP5085BR SAS RAID"}, 195 {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0, 196 "ICP ICP9047MA SATA RAID"}, 197 {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0, 198 "ICP ICP9087MA SATA RAID"}, 199 {0x9005, 0x0286, 0x9005, 0x02a6, AAC_HWIF_RKT, 0, 200 "ICP9067MA SATA RAID"}, 201 {0x9005, 0x0285, 0x9005, 0x02b5, AAC_HWIF_I960RX, 0, 202 "Adaptec RAID 5445"}, 203 {0x9005, 0x0285, 0x9005, 0x02b6, AAC_HWIF_I960RX, 0, 204 "Adaptec RAID 5805"}, 205 {0x9005, 0x0285, 0x9005, 0x02b7, AAC_HWIF_I960RX, 0, 206 "Adaptec RAID 5085"}, 207 {0x9005, 0x0285, 0x9005, 0x02b8, AAC_HWIF_I960RX, 0, 208 "ICP RAID ICP5445SL"}, 209 {0x9005, 0x0285, 0x9005, 0x02b9, AAC_HWIF_I960RX, 0, 210 "ICP RAID ICP5085SL"}, 211 {0x9005, 0x0285, 0x9005, 0x02ba, AAC_HWIF_I960RX, 0, 212 "ICP RAID ICP5805SL"}, 213 {0x9005, 0x0285, 0x9005, 0x02bb, AAC_HWIF_I960RX, 0, 214 "Adaptec RAID 3405"}, 215 {0x9005, 0x0285, 0x9005, 0x02bc, AAC_HWIF_I960RX, 0, 216 "Adaptec RAID 3805"}, 217 {0x9005, 0x0285, 0x9005, 0x02bd, AAC_HWIF_I960RX, 0, 218 "Adaptec RAID 31205"}, 219 {0x9005, 0x0285, 0x9005, 0x02be, AAC_HWIF_I960RX, 0, 220 "Adaptec RAID 31605"}, 221 {0x9005, 0x0285, 0x9005, 0x02bf, AAC_HWIF_I960RX, 0, 222 "ICP RAID ICP5045BL"}, 223 {0x9005, 0x0285, 0x9005, 0x02c0, AAC_HWIF_I960RX, 0, 224 "ICP RAID ICP5085BL"}, 225 {0x9005, 0x0285, 0x9005, 0x02c1, AAC_HWIF_I960RX, 0, 226 "ICP RAID ICP5125BR"}, 227 {0x9005, 0x0285, 0x9005, 0x02c2, AAC_HWIF_I960RX, 0, 228 "ICP RAID ICP5165BR"}, 229 {0x9005, 0x0285, 0x9005, 0x02c3, AAC_HWIF_I960RX, 0, 230 "Adaptec RAID 51205"}, 231 {0x9005, 0x0285, 0x9005, 0x02c4, AAC_HWIF_I960RX, 0, 232 "Adaptec RAID 51605"}, 233 {0x9005, 0x0285, 0x9005, 0x02c5, AAC_HWIF_I960RX, 0, 234 "ICP RAID ICP5125SL"}, 235 {0x9005, 0x0285, 0x9005, 0x02c6, AAC_HWIF_I960RX, 0, 236 "ICP RAID ICP5165SL"}, 237 {0x9005, 0x0285, 0x9005, 0x02c7, AAC_HWIF_I960RX, 0, 238 "Adaptec RAID 3085"}, 239 {0x9005, 0x0285, 0x9005, 0x02c8, AAC_HWIF_I960RX, 0, 240 "ICP RAID ICP5805BL"}, 241 {0x9005, 0x0285, 0x9005, 0x02ce, AAC_HWIF_I960RX, 0, 242 "Adaptec RAID 51245"}, 243 {0x9005, 0x0285, 0x9005, 0x02cf, AAC_HWIF_I960RX, 0, 244 "Adaptec RAID 51645"}, 245 {0x9005, 0x0285, 0x9005, 0x02d0, AAC_HWIF_I960RX, 0, 246 "Adaptec RAID 52445"}, 247 {0x9005, 0x0285, 0x9005, 0x02d1, AAC_HWIF_I960RX, 0, 248 "Adaptec RAID 5405"}, 249 {0x9005, 0x0285, 0x9005, 0x02d4, AAC_HWIF_I960RX, 0, 250 "Adaptec RAID 2045"}, 251 {0x9005, 0x0285, 0x9005, 0x02d5, AAC_HWIF_I960RX, 0, 252 "Adaptec RAID 2405"}, 253 {0x9005, 0x0285, 0x9005, 0x02d6, AAC_HWIF_I960RX, 0, 254 "Adaptec RAID 2445"}, 255 {0x9005, 0x0285, 0x9005, 0x02d7, AAC_HWIF_I960RX, 0, 256 "Adaptec RAID 2805"}, 257 {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0, 258 "IBM ServeRAID-8k"}, 259 {0x9005, 0x0285, 0x1014, 0x034d, AAC_HWIF_I960RX, 0, 260 "IBM ServeRAID 8s"}, 261 {0x9005, 0x0285, 0x108e, 0x7aac, AAC_HWIF_I960RX, 0, 262 "Sun STK RAID REM"}, 263 {0x9005, 0x0285, 0x108e, 0x7aae, AAC_HWIF_I960RX, 0, 264 "Sun STK RAID EM"}, 265 {0x9005, 0x0285, 0x108e, 0x286, AAC_HWIF_I960RX, 0, 266 "SG-XPCIESAS-R-IN"}, 267 {0x9005, 0x0285, 0x108e, 0x287, AAC_HWIF_I960RX, 0, 268 "SG-XPCIESAS-R-EX"}, 269 {0x9005, 0x0285, 0x15d9, 0x2b5, AAC_HWIF_I960RX, 0, 270 "AOC-USAS-S4i"}, 271 {0x9005, 0x0285, 0x15d9, 0x2b6, AAC_HWIF_I960RX, 0, 272 "AOC-USAS-S8i"}, 273 {0x9005, 0x0285, 0x15d9, 0x2c9, AAC_HWIF_I960RX, 0, 274 "AOC-USAS-S4iR"}, 275 {0x9005, 0x0285, 0x15d9, 0x2ca, AAC_HWIF_I960RX, 0, 276 "AOC-USAS-S8iR"}, 277 {0x9005, 0x0285, 0x15d9, 0x2d2, AAC_HWIF_I960RX, 0, 278 "AOC-USAS-S8i-LP"}, 279 {0x9005, 0x0285, 0x15d9, 0x2d3, AAC_HWIF_I960RX, 0, 280 "AOC-USAS-S8iR-LP"}, 281 {0, 0, 0, 0, 0, 0, 0} 282 }; 283 284 static const struct aac_ident 285 aac_family_identifiers[] = { 286 {0x9005, 0x0285, 0, 0, AAC_HWIF_I960RX, 0, 287 "Adaptec RAID Controller"}, 288 {0x9005, 0x0286, 0, 0, AAC_HWIF_RKT, 0, 289 "Adaptec RAID Controller"}, 290 {0, 0, 0, 0, 0, 0, 0} 291 }; 292 293 static const struct aac_ident * 294 aac_find_ident(device_t dev) 295 { 296 const struct aac_ident *m; 297 u_int16_t vendid, devid, sub_vendid, sub_devid; 298 299 vendid = pci_get_vendor(dev); 300 devid = pci_get_device(dev); 301 sub_vendid = pci_get_subvendor(dev); 302 sub_devid = pci_get_subdevice(dev); 303 304 for (m = aac_identifiers; m->vendor != 0; m++) { 305 if ((m->vendor == vendid) && (m->device == devid) && 306 (m->subvendor == sub_vendid) && 307 (m->subdevice == sub_devid)) 308 return (m); 309 } 310 311 for (m = aac_family_identifiers; m->vendor != 0; m++) { 312 if ((m->vendor == vendid) && (m->device == devid)) 313 return (m); 314 } 315 return (NULL); 316 } 317 318 /* 319 * Determine whether this is one of our supported adapters. 320 */ 321 static int 322 aac_pci_probe(device_t dev) 323 { 324 const struct aac_ident *id; 325 326 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 327 328 if ((id = aac_find_ident(dev)) != NULL) { 329 device_set_desc(dev, id->desc); 330 return(BUS_PROBE_DEFAULT); 331 } 332 return(ENXIO); 333 } 334 335 /* 336 * Allocate resources for our device, set up the bus interface. 337 */ 338 static int 339 aac_pci_attach(device_t dev) 340 { 341 struct aac_softc *sc; 342 const struct aac_ident *id; 343 int count, error, rid; 344 345 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 346 347 /* 348 * Initialise softc. 349 */ 350 sc = device_get_softc(dev); 351 sc->aac_dev = dev; 352 353 /* assume failure is 'not configured' */ 354 error = ENXIO; 355 356 /* 357 * Verify that the adapter is correctly set up in PCI space. 358 */ 359 pci_enable_busmaster(dev); 360 if (!(pci_read_config(dev, PCIR_COMMAND, 2) & PCIM_CMD_BUSMASTEREN)) { 361 device_printf(dev, "can't enable bus-master feature\n"); 362 goto out; 363 } 364 365 /* 366 * Detect the hardware interface version, set up the bus interface 367 * indirection. 368 */ 369 id = aac_find_ident(dev); 370 sc->aac_hwif = id->hwif; 371 switch(sc->aac_hwif) { 372 case AAC_HWIF_I960RX: 373 case AAC_HWIF_NARK: 374 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 375 "set hardware up for i960Rx/NARK"); 376 sc->aac_if = &aac_rx_interface; 377 break; 378 case AAC_HWIF_STRONGARM: 379 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 380 "set hardware up for StrongARM"); 381 sc->aac_if = &aac_sa_interface; 382 break; 383 case AAC_HWIF_RKT: 384 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 385 "set hardware up for Rocket/MIPS"); 386 sc->aac_if = &aac_rkt_interface; 387 break; 388 default: 389 sc->aac_hwif = AAC_HWIF_UNKNOWN; 390 device_printf(dev, "unknown hardware type\n"); 391 goto out; 392 } 393 394 /* Set up quirks */ 395 sc->flags = id->quirks; 396 397 /* 398 * Allocate the PCI register window(s). 399 */ 400 rid = PCIR_BAR(0); 401 if ((sc->aac_regs_res0 = bus_alloc_resource_any(dev, 402 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 403 device_printf(dev, "can't allocate register window 0\n"); 404 goto out; 405 } 406 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 407 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 408 409 if (sc->aac_hwif == AAC_HWIF_NARK) { 410 rid = PCIR_BAR(1); 411 if ((sc->aac_regs_res1 = bus_alloc_resource_any(dev, 412 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 413 device_printf(dev, 414 "can't allocate register window 1\n"); 415 goto out; 416 } 417 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 418 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 419 } else { 420 sc->aac_regs_res1 = sc->aac_regs_res0; 421 sc->aac_btag1 = sc->aac_btag0; 422 sc->aac_bhandle1 = sc->aac_bhandle0; 423 } 424 425 /* 426 * Allocate the interrupt. 427 */ 428 rid = 0; 429 if (aac_enable_msi != 0 && (sc->flags & AAC_FLAGS_NOMSI) == 0) { 430 count = 1; 431 if (pci_alloc_msi(dev, &count) == 0) 432 rid = 1; 433 } 434 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 435 &rid, RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE))) == NULL) { 436 device_printf(dev, "can't allocate interrupt\n"); 437 goto out; 438 } 439 440 /* 441 * Allocate the parent bus DMA tag appropriate for our PCI interface. 442 * 443 * Note that some of these controllers are 64-bit capable. 444 */ 445 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 446 PAGE_SIZE, 0, /* algnmnt, boundary */ 447 BUS_SPACE_MAXADDR, /* lowaddr */ 448 BUS_SPACE_MAXADDR, /* highaddr */ 449 NULL, NULL, /* filter, filterarg */ 450 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 451 BUS_SPACE_UNRESTRICTED, /* nsegments */ 452 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 453 0, /* flags */ 454 NULL, NULL, /* No locking needed */ 455 &sc->aac_parent_dmat)) { 456 device_printf(dev, "can't allocate parent DMA tag\n"); 457 goto out; 458 } 459 460 /* 461 * Do bus-independent initialisation. 462 */ 463 error = aac_attach(sc); 464 465 out: 466 if (error) 467 aac_free(sc); 468 return(error); 469 } 470 471 /* 472 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 473 * controller. This is needed to keep the power management subsystem from 474 * trying to power down these devices. 475 */ 476 static int aacch_probe(device_t dev); 477 static int aacch_attach(device_t dev); 478 static int aacch_detach(device_t dev); 479 480 static device_method_t aacch_methods[] = { 481 /* Device interface */ 482 DEVMETHOD(device_probe, aacch_probe), 483 DEVMETHOD(device_attach, aacch_attach), 484 DEVMETHOD(device_detach, aacch_detach), 485 DEVMETHOD_END 486 }; 487 488 static driver_t aacch_driver = { 489 "aacch", 490 aacch_methods, 491 1 /* no softc */ 492 }; 493 494 static devclass_t aacch_devclass; 495 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, NULL, NULL); 496 MODULE_PNP_INFO("U16:vendor;U16:device;", pci, aac, 497 aac_identifiers, nitems(aac_identifiers) - 1); 498 499 static int 500 aacch_probe(device_t dev) 501 { 502 503 if ((pci_get_vendor(dev) != 0x9005) || 504 (pci_get_device(dev) != 0x00c5)) 505 return (ENXIO); 506 507 device_set_desc(dev, "AAC RAID Channel"); 508 return (-10); 509 } 510 511 static int 512 aacch_attach(device_t dev __unused) 513 { 514 515 return (0); 516 } 517 518 static int 519 aacch_detach(device_t dev __unused) 520 { 521 522 return (0); 523 } 524