aac_pci.c revision 331722
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 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: stable/11/sys/dev/aac/aac_pci.c 331722 2018-03-29 02:50:57Z eadler $"); 32 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 60static int aac_pci_probe(device_t dev); 61static int aac_pci_attach(device_t dev); 62 63static int aac_enable_msi = 1; 64SYSCTL_INT(_hw_aac, OID_AUTO, enable_msi, CTLFLAG_RDTUN, &aac_enable_msi, 0, 65 "Enable MSI interrupts"); 66 67static 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 78static driver_t aac_pci_driver = { 79 "aac", 80 aac_methods, 81 sizeof(struct aac_softc) 82}; 83 84static devclass_t aac_devclass; 85 86DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, NULL, NULL); 87MODULE_DEPEND(aac, pci, 1, 1, 1); 88 89static const struct aac_ident 90{ 91 u_int16_t vendor; 92 u_int16_t device; 93 u_int16_t subvendor; 94 u_int16_t subdevice; 95 int hwif; 96 int quirks; 97 const char *desc; 98} aac_identifiers[] = { 99 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 100 "Dell PERC 2/Si"}, 101 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 102 "Dell PERC 3/Di"}, 103 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Si"}, 105 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Si"}, 107 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Di"}, 109 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 114 "Dell PERC 3/Di"}, 115 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 116 "Dell PERC 3/Di"}, 117 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 118 "Adaptec AAC-364"}, 119 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 120 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 121 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 122 "Dell PERC 2/QC"}, 123 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 124 "HP NetRaid-4M"}, 125 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 127 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 129 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 130 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 131 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 132 "Adaptec SATA RAID 2410SA"}, 133 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 134 "Dell CERC SATA RAID 2"}, 135 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 136 "Adaptec SATA RAID 2810SA"}, 137 {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 138 "Adaptec SATA RAID 21610SA"}, 139 {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 140 "HP ML110 G2 (Adaptec 2610SA)"}, 141 {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 142 "Adaptec SCSI RAID 2230S"}, 143 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 144 "Adaptec SCSI RAID 2130S"}, 145 {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 146 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 147 {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 148 AAC_FLAGS_256FIBS, "Legend S220"}, 149 {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 150 AAC_FLAGS_256FIBS, "Legend S230"}, 151 {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0, 152 "Adaptec SCSI RAID 3230S"}, 153 {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0, 154 "Adaptec SCSI RAID 3240S"}, 155 {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0, 156 "Adaptec SCSI RAID 2020ZCR"}, 157 {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0, 158 "Adaptec SCSI RAID 2025ZCR"}, 159 {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, AAC_FLAGS_NOMSI, 160 "Adaptec SATA RAID 2820SA"}, 161 {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0, 162 "Adaptec SATA RAID 2620SA"}, 163 {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0, 164 "Adaptec SATA RAID 2420SA"}, 165 {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0, 166 "ICP ICP9024RO SCSI RAID"}, 167 {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0, 168 "ICP ICP9014RO SCSI RAID"}, 169 {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0, 170 "Adaptec SATA RAID 2026ZCR"}, 171 {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0, 172 "Adaptec SCSI RAID 2240S"}, 173 {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0, 174 "Adaptec SAS RAID 4005SAS"}, 175 {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0, 176 "IBM ServeRAID 8i"}, 177 {0x9005, 0x0285, 0x1014, 0x0312, AAC_HWIF_I960RX, 0, 178 "IBM ServeRAID 8i"}, 179 {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0, 180 "Adaptec RAID 4000"}, 181 {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0, 182 "Adaptec SAS RAID 4800SAS"}, 183 {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0, 184 "Adaptec SAS RAID 4805SAS"}, 185 {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0, 186 "Adaptec SATA RAID 2020SA ZCR"}, 187 {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0, 188 "Adaptec SATA RAID 2025SA ZCR"}, 189 {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0, 190 "ICP ICP9085LI SAS RAID"}, 191 {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0, 192 "ICP ICP5085BR SAS RAID"}, 193 {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0, 194 "ICP ICP9047MA SATA RAID"}, 195 {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0, 196 "ICP ICP9087MA SATA RAID"}, 197 {0x9005, 0x0286, 0x9005, 0x02a6, AAC_HWIF_RKT, 0, 198 "ICP9067MA SATA RAID"}, 199 {0x9005, 0x0285, 0x9005, 0x02b5, AAC_HWIF_I960RX, 0, 200 "Adaptec RAID 5445"}, 201 {0x9005, 0x0285, 0x9005, 0x02b6, AAC_HWIF_I960RX, 0, 202 "Adaptec RAID 5805"}, 203 {0x9005, 0x0285, 0x9005, 0x02b7, AAC_HWIF_I960RX, 0, 204 "Adaptec RAID 5085"}, 205 {0x9005, 0x0285, 0x9005, 0x02b8, AAC_HWIF_I960RX, 0, 206 "ICP RAID ICP5445SL"}, 207 {0x9005, 0x0285, 0x9005, 0x02b9, AAC_HWIF_I960RX, 0, 208 "ICP RAID ICP5085SL"}, 209 {0x9005, 0x0285, 0x9005, 0x02ba, AAC_HWIF_I960RX, 0, 210 "ICP RAID ICP5805SL"}, 211 {0x9005, 0x0285, 0x9005, 0x02bb, AAC_HWIF_I960RX, 0, 212 "Adaptec RAID 3405"}, 213 {0x9005, 0x0285, 0x9005, 0x02bc, AAC_HWIF_I960RX, 0, 214 "Adaptec RAID 3805"}, 215 {0x9005, 0x0285, 0x9005, 0x02bd, AAC_HWIF_I960RX, 0, 216 "Adaptec RAID 31205"}, 217 {0x9005, 0x0285, 0x9005, 0x02be, AAC_HWIF_I960RX, 0, 218 "Adaptec RAID 31605"}, 219 {0x9005, 0x0285, 0x9005, 0x02bf, AAC_HWIF_I960RX, 0, 220 "ICP RAID ICP5045BL"}, 221 {0x9005, 0x0285, 0x9005, 0x02c0, AAC_HWIF_I960RX, 0, 222 "ICP RAID ICP5085BL"}, 223 {0x9005, 0x0285, 0x9005, 0x02c1, AAC_HWIF_I960RX, 0, 224 "ICP RAID ICP5125BR"}, 225 {0x9005, 0x0285, 0x9005, 0x02c2, AAC_HWIF_I960RX, 0, 226 "ICP RAID ICP5165BR"}, 227 {0x9005, 0x0285, 0x9005, 0x02c3, AAC_HWIF_I960RX, 0, 228 "Adaptec RAID 51205"}, 229 {0x9005, 0x0285, 0x9005, 0x02c4, AAC_HWIF_I960RX, 0, 230 "Adaptec RAID 51605"}, 231 {0x9005, 0x0285, 0x9005, 0x02c5, AAC_HWIF_I960RX, 0, 232 "ICP RAID ICP5125SL"}, 233 {0x9005, 0x0285, 0x9005, 0x02c6, AAC_HWIF_I960RX, 0, 234 "ICP RAID ICP5165SL"}, 235 {0x9005, 0x0285, 0x9005, 0x02c7, AAC_HWIF_I960RX, 0, 236 "Adaptec RAID 3085"}, 237 {0x9005, 0x0285, 0x9005, 0x02c8, AAC_HWIF_I960RX, 0, 238 "ICP RAID ICP5805BL"}, 239 {0x9005, 0x0285, 0x9005, 0x02ce, AAC_HWIF_I960RX, 0, 240 "Adaptec RAID 51245"}, 241 {0x9005, 0x0285, 0x9005, 0x02cf, AAC_HWIF_I960RX, 0, 242 "Adaptec RAID 51645"}, 243 {0x9005, 0x0285, 0x9005, 0x02d0, AAC_HWIF_I960RX, 0, 244 "Adaptec RAID 52445"}, 245 {0x9005, 0x0285, 0x9005, 0x02d1, AAC_HWIF_I960RX, 0, 246 "Adaptec RAID 5405"}, 247 {0x9005, 0x0285, 0x9005, 0x02d4, AAC_HWIF_I960RX, 0, 248 "Adaptec RAID 2045"}, 249 {0x9005, 0x0285, 0x9005, 0x02d5, AAC_HWIF_I960RX, 0, 250 "Adaptec RAID 2405"}, 251 {0x9005, 0x0285, 0x9005, 0x02d6, AAC_HWIF_I960RX, 0, 252 "Adaptec RAID 2445"}, 253 {0x9005, 0x0285, 0x9005, 0x02d7, AAC_HWIF_I960RX, 0, 254 "Adaptec RAID 2805"}, 255 {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0, 256 "IBM ServeRAID-8k"}, 257 {0x9005, 0x0285, 0x1014, 0x034d, AAC_HWIF_I960RX, 0, 258 "IBM ServeRAID 8s"}, 259 {0x9005, 0x0285, 0x108e, 0x7aac, AAC_HWIF_I960RX, 0, 260 "Sun STK RAID REM"}, 261 {0x9005, 0x0285, 0x108e, 0x7aae, AAC_HWIF_I960RX, 0, 262 "Sun STK RAID EM"}, 263 {0x9005, 0x0285, 0x108e, 0x286, AAC_HWIF_I960RX, 0, 264 "SG-XPCIESAS-R-IN"}, 265 {0x9005, 0x0285, 0x108e, 0x287, AAC_HWIF_I960RX, 0, 266 "SG-XPCIESAS-R-EX"}, 267 {0x9005, 0x0285, 0x15d9, 0x2b5, AAC_HWIF_I960RX, 0, 268 "AOC-USAS-S4i"}, 269 {0x9005, 0x0285, 0x15d9, 0x2b6, AAC_HWIF_I960RX, 0, 270 "AOC-USAS-S8i"}, 271 {0x9005, 0x0285, 0x15d9, 0x2c9, AAC_HWIF_I960RX, 0, 272 "AOC-USAS-S4iR"}, 273 {0x9005, 0x0285, 0x15d9, 0x2ca, AAC_HWIF_I960RX, 0, 274 "AOC-USAS-S8iR"}, 275 {0x9005, 0x0285, 0x15d9, 0x2d2, AAC_HWIF_I960RX, 0, 276 "AOC-USAS-S8i-LP"}, 277 {0x9005, 0x0285, 0x15d9, 0x2d3, AAC_HWIF_I960RX, 0, 278 "AOC-USAS-S8iR-LP"}, 279 {0, 0, 0, 0, 0, 0, 0} 280}; 281 282static const struct aac_ident 283aac_family_identifiers[] = { 284 {0x9005, 0x0285, 0, 0, AAC_HWIF_I960RX, 0, 285 "Adaptec RAID Controller"}, 286 {0x9005, 0x0286, 0, 0, AAC_HWIF_RKT, 0, 287 "Adaptec RAID Controller"}, 288 {0, 0, 0, 0, 0, 0, 0} 289}; 290 291static const struct aac_ident * 292aac_find_ident(device_t dev) 293{ 294 const struct aac_ident *m; 295 u_int16_t vendid, devid, sub_vendid, sub_devid; 296 297 vendid = pci_get_vendor(dev); 298 devid = pci_get_device(dev); 299 sub_vendid = pci_get_subvendor(dev); 300 sub_devid = pci_get_subdevice(dev); 301 302 for (m = aac_identifiers; m->vendor != 0; m++) { 303 if ((m->vendor == vendid) && (m->device == devid) && 304 (m->subvendor == sub_vendid) && 305 (m->subdevice == sub_devid)) 306 return (m); 307 } 308 309 for (m = aac_family_identifiers; m->vendor != 0; m++) { 310 if ((m->vendor == vendid) && (m->device == devid)) 311 return (m); 312 } 313 return (NULL); 314} 315 316/* 317 * Determine whether this is one of our supported adapters. 318 */ 319static int 320aac_pci_probe(device_t dev) 321{ 322 const struct aac_ident *id; 323 324 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 325 326 if ((id = aac_find_ident(dev)) != NULL) { 327 device_set_desc(dev, id->desc); 328 return(BUS_PROBE_DEFAULT); 329 } 330 return(ENXIO); 331} 332 333/* 334 * Allocate resources for our device, set up the bus interface. 335 */ 336static int 337aac_pci_attach(device_t dev) 338{ 339 struct aac_softc *sc; 340 const struct aac_ident *id; 341 int count, error, rid; 342 343 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 344 345 /* 346 * Initialise softc. 347 */ 348 sc = device_get_softc(dev); 349 sc->aac_dev = dev; 350 351 /* assume failure is 'not configured' */ 352 error = ENXIO; 353 354 /* 355 * Verify that the adapter is correctly set up in PCI space. 356 */ 357 pci_enable_busmaster(dev); 358 if (!(pci_read_config(dev, PCIR_COMMAND, 2) & PCIM_CMD_BUSMASTEREN)) { 359 device_printf(dev, "can't enable bus-master feature\n"); 360 goto out; 361 } 362 363 /* 364 * Detect the hardware interface version, set up the bus interface 365 * indirection. 366 */ 367 id = aac_find_ident(dev); 368 sc->aac_hwif = id->hwif; 369 switch(sc->aac_hwif) { 370 case AAC_HWIF_I960RX: 371 case AAC_HWIF_NARK: 372 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 373 "set hardware up for i960Rx/NARK"); 374 sc->aac_if = &aac_rx_interface; 375 break; 376 case AAC_HWIF_STRONGARM: 377 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 378 "set hardware up for StrongARM"); 379 sc->aac_if = &aac_sa_interface; 380 break; 381 case AAC_HWIF_RKT: 382 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, 383 "set hardware up for Rocket/MIPS"); 384 sc->aac_if = &aac_rkt_interface; 385 break; 386 default: 387 sc->aac_hwif = AAC_HWIF_UNKNOWN; 388 device_printf(dev, "unknown hardware type\n"); 389 goto out; 390 } 391 392 /* Set up quirks */ 393 sc->flags = id->quirks; 394 395 /* 396 * Allocate the PCI register window(s). 397 */ 398 rid = PCIR_BAR(0); 399 if ((sc->aac_regs_res0 = bus_alloc_resource_any(dev, 400 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 401 device_printf(dev, "can't allocate register window 0\n"); 402 goto out; 403 } 404 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 405 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 406 407 if (sc->aac_hwif == AAC_HWIF_NARK) { 408 rid = PCIR_BAR(1); 409 if ((sc->aac_regs_res1 = bus_alloc_resource_any(dev, 410 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 411 device_printf(dev, 412 "can't allocate register window 1\n"); 413 goto out; 414 } 415 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 416 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 417 } else { 418 sc->aac_regs_res1 = sc->aac_regs_res0; 419 sc->aac_btag1 = sc->aac_btag0; 420 sc->aac_bhandle1 = sc->aac_bhandle0; 421 } 422 423 /* 424 * Allocate the interrupt. 425 */ 426 rid = 0; 427 if (aac_enable_msi != 0 && (sc->flags & AAC_FLAGS_NOMSI) == 0) { 428 count = 1; 429 if (pci_alloc_msi(dev, &count) == 0) 430 rid = 1; 431 } 432 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 433 &rid, RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE))) == NULL) { 434 device_printf(dev, "can't allocate interrupt\n"); 435 goto out; 436 } 437 438 /* 439 * Allocate the parent bus DMA tag appropriate for our PCI interface. 440 * 441 * Note that some of these controllers are 64-bit capable. 442 */ 443 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 444 PAGE_SIZE, 0, /* algnmnt, boundary */ 445 BUS_SPACE_MAXADDR, /* lowaddr */ 446 BUS_SPACE_MAXADDR, /* highaddr */ 447 NULL, NULL, /* filter, filterarg */ 448 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 449 BUS_SPACE_UNRESTRICTED, /* nsegments */ 450 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 451 0, /* flags */ 452 NULL, NULL, /* No locking needed */ 453 &sc->aac_parent_dmat)) { 454 device_printf(dev, "can't allocate parent DMA tag\n"); 455 goto out; 456 } 457 458 /* 459 * Do bus-independent initialisation. 460 */ 461 error = aac_attach(sc); 462 463out: 464 if (error) 465 aac_free(sc); 466 return(error); 467} 468 469/* 470 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 471 * controller. This is needed to keep the power management subsystem from 472 * trying to power down these devices. 473 */ 474static int aacch_probe(device_t dev); 475static int aacch_attach(device_t dev); 476static int aacch_detach(device_t dev); 477 478static device_method_t aacch_methods[] = { 479 /* Device interface */ 480 DEVMETHOD(device_probe, aacch_probe), 481 DEVMETHOD(device_attach, aacch_attach), 482 DEVMETHOD(device_detach, aacch_detach), 483 DEVMETHOD_END 484}; 485 486static driver_t aacch_driver = { 487 "aacch", 488 aacch_methods, 489 1 /* no softc */ 490}; 491 492static devclass_t aacch_devclass; 493DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, NULL, NULL); 494 495static int 496aacch_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 507static int 508aacch_attach(device_t dev __unused) 509{ 510 511 return (0); 512} 513 514static int 515aacch_detach(device_t dev __unused) 516{ 517 518 return (0); 519} 520