1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 /* 34 * PCI bus interface and resource allocation. 35 */ 36 37 #include "opt_aac.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/module.h> 43 44 #include <sys/bio.h> 45 #include <sys/bus.h> 46 #include <sys/conf.h> 47 #include <sys/disk.h> 48 49 #include <machine/bus.h> 50 #include <machine/resource.h> 51 #include <sys/rman.h> 52 53 #include <dev/pci/pcireg.h> 54 #include <dev/pci/pcivar.h> 55 56 #include <dev/aac/aacreg.h> 57 #include <sys/aac_ioctl.h> 58 #include <dev/aac/aacvar.h> 59 60 static int aac_pci_probe(device_t dev); 61 static int aac_pci_attach(device_t dev); 62 63 static int aac_enable_msi = 1; 64 SYSCTL_INT(_hw_aac, OID_AUTO, enable_msi, CTLFLAG_RDTUN, &aac_enable_msi, 0, 65 "Enable MSI interrupts"); 66 67 static device_method_t aac_methods[] = { 68 /* Device interface */ 69 DEVMETHOD(device_probe, aac_pci_probe), 70 DEVMETHOD(device_attach, aac_pci_attach), 71 DEVMETHOD(device_detach, aac_detach), 72 DEVMETHOD(device_suspend, aac_suspend), 73 DEVMETHOD(device_resume, aac_resume), 74 75 DEVMETHOD_END 76 }; 77 78 static driver_t aac_pci_driver = { 79 "aac", 80 aac_methods, 81 sizeof(struct aac_softc) 82 }; 83 84 DRIVER_MODULE(aac, pci, aac_pci_driver, NULL, NULL); 85 MODULE_DEPEND(aac, pci, 1, 1, 1); 86 87 static const struct aac_ident 88 { 89 u_int16_t vendor; 90 u_int16_t device; 91 u_int16_t subvendor; 92 u_int16_t subdevice; 93 int hwif; 94 int quirks; 95 const char *desc; 96 } aac_identifiers[] = { 97 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 98 "Dell PERC 2/Si"}, 99 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 100 "Dell PERC 3/Di"}, 101 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 102 "Dell PERC 3/Si"}, 103 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Si"}, 105 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Di"}, 107 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Di"}, 109 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 114 "Dell PERC 3/Di"}, 115 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 116 "Adaptec AAC-364"}, 117 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 118 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 119 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 120 "Dell PERC 2/QC"}, 121 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 122 "HP NetRaid-4M"}, 123 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 124 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 125 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 127 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 129 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 130 "Adaptec SATA RAID 2410SA"}, 131 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 132 "Dell CERC SATA RAID 2"}, 133 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 134 "Adaptec SATA RAID 2810SA"}, 135 {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 136 "Adaptec SATA RAID 21610SA"}, 137 {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 138 "HP ML110 G2 (Adaptec 2610SA)"}, 139 {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 140 "Adaptec SCSI RAID 2230S"}, 141 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 142 "Adaptec SCSI RAID 2130S"}, 143 {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 144 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 145 {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 146 AAC_FLAGS_256FIBS, "Legend S220"}, 147 {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 148 AAC_FLAGS_256FIBS, "Legend S230"}, 149 {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0, 150 "Adaptec SCSI RAID 3230S"}, 151 {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0, 152 "Adaptec SCSI RAID 3240S"}, 153 {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0, 154 "Adaptec SCSI RAID 2020ZCR"}, 155 {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0, 156 "Adaptec SCSI RAID 2025ZCR"}, 157 {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 158 "Adaptec SATA RAID 2820SA"}, 159 {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0, 160 "Adaptec SATA RAID 2620SA"}, 161 {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0, 162 "Adaptec SATA RAID 2420SA"}, 163 {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0, 164 "ICP ICP9024RO SCSI RAID"}, 165 {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0, 166 "ICP ICP9014RO SCSI RAID"}, 167 {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0, 168 "Adaptec SATA RAID 2026ZCR"}, 169 {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0, 170 "Adaptec SCSI RAID 2240S"}, 171 {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0, 172 "Adaptec SAS RAID 4005SAS"}, 173 {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0, 174 "IBM ServeRAID 8i"}, 175 {0x9005, 0x0285, 0x1014, 0x0312, AAC_HWIF_I960RX, 0, 176 "IBM ServeRAID 8i"}, 177 {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0, 178 "Adaptec RAID 4000"}, 179 {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0, 180 "Adaptec SAS RAID 4800SAS"}, 181 {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0, 182 "Adaptec SAS RAID 4805SAS"}, 183 {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0, 184 "Adaptec SATA RAID 2020SA ZCR"}, 185 {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0, 186 "Adaptec SATA RAID 2025SA ZCR"}, 187 {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0, 188 "ICP ICP9085LI SAS RAID"}, 189 {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0, 190 "ICP ICP5085BR SAS RAID"}, 191 {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0, 192 "ICP ICP9047MA SATA RAID"}, 193 {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0, 194 "ICP ICP9087MA SATA RAID"}, 195 {0x9005, 0x0286, 0x9005, 0x02a6, AAC_HWIF_RKT, 0, 196 "ICP9067MA SATA RAID"}, 197 {0x9005, 0x0285, 0x9005, 0x02b5, AAC_HWIF_I960RX, 0, 198 "Adaptec RAID 5445"}, 199 {0x9005, 0x0285, 0x9005, 0x02b6, AAC_HWIF_I960RX, 0, 200 "Adaptec RAID 5805"}, 201 {0x9005, 0x0285, 0x9005, 0x02b7, AAC_HWIF_I960RX, 0, 202 "Adaptec RAID 5085"}, 203 {0x9005, 0x0285, 0x9005, 0x02b8, AAC_HWIF_I960RX, 0, 204 "ICP RAID ICP5445SL"}, 205 {0x9005, 0x0285, 0x9005, 0x02b9, AAC_HWIF_I960RX, 0, 206 "ICP RAID ICP5085SL"}, 207 {0x9005, 0x0285, 0x9005, 0x02ba, AAC_HWIF_I960RX, 0, 208 "ICP RAID ICP5805SL"}, 209 {0x9005, 0x0285, 0x9005, 0x02bb, AAC_HWIF_I960RX, 0, 210 "Adaptec RAID 3405"}, 211 {0x9005, 0x0285, 0x9005, 0x02bc, AAC_HWIF_I960RX, 0, 212 "Adaptec RAID 3805"}, 213 {0x9005, 0x0285, 0x9005, 0x02bd, AAC_HWIF_I960RX, 0, 214 "Adaptec RAID 31205"}, 215 {0x9005, 0x0285, 0x9005, 0x02be, AAC_HWIF_I960RX, 0, 216 "Adaptec RAID 31605"}, 217 {0x9005, 0x0285, 0x9005, 0x02bf, AAC_HWIF_I960RX, 0, 218 "ICP RAID ICP5045BL"}, 219 {0x9005, 0x0285, 0x9005, 0x02c0, AAC_HWIF_I960RX, 0, 220 "ICP RAID ICP5085BL"}, 221 {0x9005, 0x0285, 0x9005, 0x02c1, AAC_HWIF_I960RX, 0, 222 "ICP RAID ICP5125BR"}, 223 {0x9005, 0x0285, 0x9005, 0x02c2, AAC_HWIF_I960RX, 0, 224 "ICP RAID ICP5165BR"}, 225 {0x9005, 0x0285, 0x9005, 0x02c3, AAC_HWIF_I960RX, 0, 226 "Adaptec RAID 51205"}, 227 {0x9005, 0x0285, 0x9005, 0x02c4, AAC_HWIF_I960RX, 0, 228 "Adaptec RAID 51605"}, 229 {0x9005, 0x0285, 0x9005, 0x02c5, AAC_HWIF_I960RX, 0, 230 "ICP RAID ICP5125SL"}, 231 {0x9005, 0x0285, 0x9005, 0x02c6, AAC_HWIF_I960RX, 0, 232 "ICP RAID ICP5165SL"}, 233 {0x9005, 0x0285, 0x9005, 0x02c7, AAC_HWIF_I960RX, 0, 234 "Adaptec RAID 3085"}, 235 {0x9005, 0x0285, 0x9005, 0x02c8, AAC_HWIF_I960RX, 0, 236 "ICP RAID ICP5805BL"}, 237 {0x9005, 0x0285, 0x9005, 0x02ce, AAC_HWIF_I960RX, 0, 238 "Adaptec RAID 51245"}, 239 {0x9005, 0x0285, 0x9005, 0x02cf, AAC_HWIF_I960RX, 0, 240 "Adaptec RAID 51645"}, 241 {0x9005, 0x0285, 0x9005, 0x02d0, AAC_HWIF_I960RX, 0, 242 "Adaptec RAID 52445"}, 243 {0x9005, 0x0285, 0x9005, 0x02d1, AAC_HWIF_I960RX, 0, 244 "Adaptec RAID 5405"}, 245 {0x9005, 0x0285, 0x9005, 0x02d4, AAC_HWIF_I960RX, 0, 246 "Adaptec RAID 2045"}, 247 {0x9005, 0x0285, 0x9005, 0x02d5, AAC_HWIF_I960RX, 0, 248 "Adaptec RAID 2405"}, 249 {0x9005, 0x0285, 0x9005, 0x02d6, AAC_HWIF_I960RX, 0, 250 "Adaptec RAID 2445"}, 251 {0x9005, 0x0285, 0x9005, 0x02d7, AAC_HWIF_I960RX, 0, 252 "Adaptec RAID 2805"}, 253 {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0, 254 "IBM ServeRAID-8k"}, 255 {0x9005, 0x0285, 0x1014, 0x034d, AAC_HWIF_I960RX, 0, 256 "IBM ServeRAID 8s"}, 257 {0x9005, 0x0285, 0x108e, 0x7aac, AAC_HWIF_I960RX, 0, 258 "Sun STK RAID REM"}, 259 {0x9005, 0x0285, 0x108e, 0x7aae, AAC_HWIF_I960RX, 0, 260 "Sun STK RAID EM"}, 261 {0x9005, 0x0285, 0x108e, 0x286, AAC_HWIF_I960RX, 0, 262 "SG-XPCIESAS-R-IN"}, 263 {0x9005, 0x0285, 0x108e, 0x287, AAC_HWIF_I960RX, 0, 264 "SG-XPCIESAS-R-EX"}, 265 {0x9005, 0x0285, 0x15d9, 0x2b5, AAC_HWIF_I960RX, 0, 266 "AOC-USAS-S4i"}, 267 {0x9005, 0x0285, 0x15d9, 0x2b6, AAC_HWIF_I960RX, 0, 268 "AOC-USAS-S8i"}, 269 {0x9005, 0x0285, 0x15d9, 0x2c9, AAC_HWIF_I960RX, 0, 270 "AOC-USAS-S4iR"}, 271 {0x9005, 0x0285, 0x15d9, 0x2ca, AAC_HWIF_I960RX, 0, 272 "AOC-USAS-S8iR"}, 273 {0x9005, 0x0285, 0x15d9, 0x2d2, AAC_HWIF_I960RX, 0, 274 "AOC-USAS-S8i-LP"}, 275 {0x9005, 0x0285, 0x15d9, 0x2d3, AAC_HWIF_I960RX, 0, 276 "AOC-USAS-S8iR-LP"}, 277 {0, 0, 0, 0, 0, 0, 0} 278 }; 279 280 static const struct aac_ident 281 aac_family_identifiers[] = { 282 {0x9005, 0x0285, 0, 0, AAC_HWIF_I960RX, 0, 283 "Adaptec RAID Controller"}, 284 {0x9005, 0x0286, 0, 0, AAC_HWIF_RKT, 0, 285 "Adaptec RAID Controller"}, 286 {0, 0, 0, 0, 0, 0, 0} 287 }; 288 289 static const struct aac_ident * 290 aac_find_ident(device_t dev) 291 { 292 const struct aac_ident *m; 293 u_int16_t vendid, devid, sub_vendid, sub_devid; 294 295 vendid = pci_get_vendor(dev); 296 devid = pci_get_device(dev); 297 sub_vendid = pci_get_subvendor(dev); 298 sub_devid = pci_get_subdevice(dev); 299 300 for (m = aac_identifiers; m->vendor != 0; m++) { 301 if ((m->vendor == vendid) && (m->device == devid) && 302 (m->subvendor == sub_vendid) && 303 (m->subdevice == sub_devid)) 304 return (m); 305 } 306 307 for (m = aac_family_identifiers; m->vendor != 0; m++) { 308 if ((m->vendor == vendid) && (m->device == devid)) 309 return (m); 310 } 311 return (NULL); 312 } 313 314 /* 315 * Determine whether this is one of our supported adapters. 316 */ 317 static int 318 aac_pci_probe(device_t dev) 319 { 320 const struct aac_ident *id; 321 322 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 323 324 if ((id = aac_find_ident(dev)) != NULL) { 325 device_set_desc(dev, id->desc); 326 return(BUS_PROBE_DEFAULT); 327 } 328 return(ENXIO); 329 } 330 331 /* 332 * Allocate resources for our device, set up the bus interface. 333 */ 334 static int 335 aac_pci_attach(device_t dev) 336 { 337 struct aac_softc *sc; 338 const struct aac_ident *id; 339 int count, error, rid; 340 341 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 342 343 /* 344 * Initialise softc. 345 */ 346 sc = device_get_softc(dev); 347 sc->aac_dev = dev; 348 349 /* assume failure is 'not configured' */ 350 error = ENXIO; 351 352 /* 353 * Verify that the adapter is correctly set up in PCI space. 354 */ 355 pci_enable_busmaster(dev); 356 if (!(pci_read_config(dev, PCIR_COMMAND, 2) & PCIM_CMD_BUSMASTEREN)) { 357 device_printf(dev, "can't enable bus-master feature\n"); 358 goto out; 359 } 360 361 /* 362 * Detect the hardware interface version, set up the bus interface 363 * indirection. 364 */ 365 id = aac_find_ident(dev); 366 sc->aac_hwif = id->hwif; 367 switch(sc->aac_hwif) { 368 case AAC_HWIF_I960RX: 369 case AAC_HWIF_NARK: 370 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 371 "set hardware up for i960Rx/NARK"); 372 sc->aac_if = &aac_rx_interface; 373 break; 374 case AAC_HWIF_STRONGARM: 375 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 376 "set hardware up for StrongARM"); 377 sc->aac_if = &aac_sa_interface; 378 break; 379 case AAC_HWIF_RKT: 380 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 381 "set hardware up for Rocket/MIPS"); 382 sc->aac_if = &aac_rkt_interface; 383 break; 384 default: 385 sc->aac_hwif = AAC_HWIF_UNKNOWN; 386 device_printf(dev, "unknown hardware type\n"); 387 goto out; 388 } 389 390 /* Set up quirks */ 391 sc->flags = id->quirks; 392 393 /* 394 * Allocate the PCI register window(s). 395 */ 396 rid = PCIR_BAR(0); 397 if ((sc->aac_regs_res0 = bus_alloc_resource_any(dev, 398 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 399 device_printf(dev, "can't allocate register window 0\n"); 400 goto out; 401 } 402 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 403 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 404 405 if (sc->aac_hwif == AAC_HWIF_NARK) { 406 rid = PCIR_BAR(1); 407 if ((sc->aac_regs_res1 = bus_alloc_resource_any(dev, 408 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 409 device_printf(dev, 410 "can't allocate register window 1\n"); 411 goto out; 412 } 413 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 414 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 415 } else { 416 sc->aac_regs_res1 = sc->aac_regs_res0; 417 sc->aac_btag1 = sc->aac_btag0; 418 sc->aac_bhandle1 = sc->aac_bhandle0; 419 } 420 421 /* 422 * Allocate the interrupt. 423 */ 424 rid = 0; 425 if (aac_enable_msi != 0 && (sc->flags & AAC_FLAGS_NOMSI) == 0) { 426 count = 1; 427 if (pci_alloc_msi(dev, &count) == 0) 428 rid = 1; 429 } 430 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 431 &rid, RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE))) == NULL) { 432 device_printf(dev, "can't allocate interrupt\n"); 433 goto out; 434 } 435 436 /* 437 * Allocate the parent bus DMA tag appropriate for our PCI interface. 438 * 439 * Note that some of these controllers are 64-bit capable. 440 */ 441 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 442 PAGE_SIZE, /* algnmnt */ 443 ((bus_size_t)((uint64_t)1 << 32)), /* boundary*/ 444 BUS_SPACE_MAXADDR, /* lowaddr */ 445 BUS_SPACE_MAXADDR, /* highaddr */ 446 NULL, NULL, /* filter, filterarg */ 447 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 448 BUS_SPACE_UNRESTRICTED, /* nsegments */ 449 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 450 0, /* flags */ 451 NULL, NULL, /* No locking needed */ 452 &sc->aac_parent_dmat)) { 453 device_printf(dev, "can't allocate parent DMA tag\n"); 454 goto out; 455 } 456 457 /* 458 * Do bus-independent initialisation. 459 */ 460 error = aac_attach(sc); 461 462 out: 463 if (error) 464 aac_free(sc); 465 return(error); 466 } 467 468 /* 469 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 470 * controller. This is needed to keep the power management subsystem from 471 * trying to power down these devices. 472 */ 473 static int aacch_probe(device_t dev); 474 static int aacch_attach(device_t dev); 475 static int aacch_detach(device_t dev); 476 477 static device_method_t aacch_methods[] = { 478 /* Device interface */ 479 DEVMETHOD(device_probe, aacch_probe), 480 DEVMETHOD(device_attach, aacch_attach), 481 DEVMETHOD(device_detach, aacch_detach), 482 DEVMETHOD_END 483 }; 484 485 static driver_t aacch_driver = { 486 "aacch", 487 aacch_methods, 488 1 /* no softc */ 489 }; 490 491 DRIVER_MODULE(aacch, pci, aacch_driver, NULL, NULL); 492 MODULE_PNP_INFO("U16:vendor;U16:device;", pci, aacch, 493 aac_identifiers, nitems(aac_identifiers) - 1); 494 495 static int 496 aacch_probe(device_t dev) 497 { 498 499 if ((pci_get_vendor(dev) != 0x9005) || 500 (pci_get_device(dev) != 0x00c5)) 501 return (ENXIO); 502 503 device_set_desc(dev, "AAC RAID Channel"); 504 return (-10); 505 } 506 507 static int 508 aacch_attach(device_t dev __unused) 509 { 510 511 return (0); 512 } 513 514 static int 515 aacch_detach(device_t dev __unused) 516 { 517 518 return (0); 519 } 520