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("$FreeBSD$"); 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 60 static int aac_pci_probe(device_t dev); 61 static int aac_pci_attach(device_t dev); 62 63 static device_method_t aac_methods[] = { 64 /* Device interface */ 65 DEVMETHOD(device_probe, aac_pci_probe), 66 DEVMETHOD(device_attach, aac_pci_attach), 67 DEVMETHOD(device_detach, aac_detach), 68 DEVMETHOD(device_suspend, aac_suspend), 69 DEVMETHOD(device_resume, aac_resume), 70 71 DEVMETHOD(bus_print_child, bus_generic_print_child), 72 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 73 { 0, 0 } 74 }; 75 76 static driver_t aac_pci_driver = { 77 "aac", 78 aac_methods, 79 sizeof(struct aac_softc) 80 }; 81 82 static devclass_t aac_devclass; 83 84 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); 85 86 struct aac_ident 87 { 88 u_int16_t vendor; 89 u_int16_t device; 90 u_int16_t subvendor; 91 u_int16_t subdevice; 92 int hwif; 93 int quirks; 94 char *desc; 95 } aac_identifiers[] = { 96 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 97 "Dell PERC 2/Si"}, 98 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 99 "Dell PERC 3/Di"}, 100 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 101 "Dell PERC 3/Si"}, 102 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 103 "Dell PERC 3/Si"}, 104 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 105 "Dell PERC 3/Di"}, 106 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 107 "Dell PERC 3/Di"}, 108 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 109 "Dell PERC 3/Di"}, 110 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 111 "Dell PERC 3/Di"}, 112 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 113 "Dell PERC 3/Di"}, 114 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 115 "Adaptec AAC-364"}, 116 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 117 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 118 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 119 "Dell PERC 2/QC"}, 120 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 121 "HP NetRaid-4M"}, 122 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 123 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 124 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 125 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 126 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 127 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 128 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 129 "Adaptec SCSI RAID 2410SA"}, 130 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 131 "Dell CERC SATA RAID 2"}, 132 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 133 "Adaptec SCSI RAID 2810SA"}, 134 {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 135 "Adaptec SCSI RAID 21610SA"}, 136 {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 137 "HP ML110 G2 (Adaptec 2610SA)"}, 138 {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0, 139 "Adaptec SCSI RAID 2230S"}, 140 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 141 "Adaptec SCSI RAID 2130S"}, 142 {0, 0, 0, 0, 0, 0, 0} 143 }; 144 145 /* 146 * Determine whether this is one of our supported adapters. 147 */ 148 static int 149 aac_pci_probe(device_t dev) 150 { 151 struct aac_ident *m; 152 153 debug_called(1); 154 155 for (m = aac_identifiers; m->vendor != 0; m++) { 156 if ((m->vendor == pci_get_vendor(dev)) && 157 (m->device == pci_get_device(dev)) && 158 ((m->subvendor == 0) || (m->subvendor == 159 pci_get_subvendor(dev))) && 160 ((m->subdevice == 0) || ((m->subdevice == 161 pci_get_subdevice(dev))))) { 162 163 device_set_desc(dev, m->desc); 164 return(BUS_PROBE_DEFAULT); 165 } 166 } 167 return(ENXIO); 168 } 169 170 /* 171 * Allocate resources for our device, set up the bus interface. 172 */ 173 static int 174 aac_pci_attach(device_t dev) 175 { 176 struct aac_softc *sc; 177 int i, error; 178 u_int32_t command; 179 180 debug_called(1); 181 182 /* 183 * Initialise softc. 184 */ 185 sc = device_get_softc(dev); 186 bzero(sc, sizeof(*sc)); 187 sc->aac_dev = dev; 188 189 /* assume failure is 'not configured' */ 190 error = ENXIO; 191 192 /* 193 * Verify that the adapter is correctly set up in PCI space. 194 */ 195 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 196 command |= PCIM_CMD_BUSMASTEREN; 197 pci_write_config(dev, PCIR_COMMAND, command, 2); 198 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 199 if (!(command & PCIM_CMD_BUSMASTEREN)) { 200 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 201 goto out; 202 } 203 if ((command & PCIM_CMD_MEMEN) == 0) { 204 device_printf(sc->aac_dev, "memory window not available\n"); 205 goto out; 206 } 207 208 /* 209 * Allocate the PCI register window. 210 */ 211 sc->aac_regs_rid = PCIR_BAR(0); 212 if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev, 213 SYS_RES_MEMORY, 214 &sc->aac_regs_rid, 215 RF_ACTIVE)) == 216 NULL) { 217 device_printf(sc->aac_dev, 218 "couldn't allocate register window\n"); 219 goto out; 220 } 221 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 222 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 223 224 /* 225 * Allocate and connect our interrupt. 226 */ 227 sc->aac_irq_rid = 0; 228 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 229 &sc->aac_irq_rid, 230 RF_SHAREABLE | 231 RF_ACTIVE)) == NULL) { 232 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 233 goto out; 234 } 235 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 236 INTR_FAST|INTR_TYPE_BIO, aac_intr, 237 sc, &sc->aac_intr)) { 238 device_printf(sc->aac_dev, "can't set up FAST interrupt\n"); 239 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 240 INTR_MPSAFE|INTR_ENTROPY|INTR_TYPE_BIO, 241 aac_intr, sc, &sc->aac_intr)) { 242 device_printf(sc->aac_dev, 243 "can't set up MPSAFE interrupt\n"); 244 goto out; 245 } 246 } 247 248 /* assume failure is 'out of memory' */ 249 error = ENOMEM; 250 251 /* 252 * Allocate the parent bus DMA tag appropriate for our PCI interface. 253 * 254 * Note that some of these controllers are 64-bit capable. 255 */ 256 if (bus_dma_tag_create(NULL, /* parent */ 257 PAGE_SIZE, 0, /* algnmnt, boundary */ 258 BUS_SPACE_MAXADDR, /* lowaddr */ 259 BUS_SPACE_MAXADDR, /* highaddr */ 260 NULL, NULL, /* filter, filterarg */ 261 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 262 AAC_MAXSGENTRIES, /* nsegments */ 263 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 264 0, /* flags */ 265 NULL, NULL, /* No locking needed */ 266 &sc->aac_parent_dmat)) { 267 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 268 goto out; 269 } 270 271 /* 272 * Detect the hardware interface version, set up the bus interface 273 * indirection. 274 */ 275 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 276 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 277 (aac_identifiers[i].device == pci_get_device(dev)) && 278 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 279 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 280 sc->aac_hwif = aac_identifiers[i].hwif; 281 switch(sc->aac_hwif) { 282 case AAC_HWIF_I960RX: 283 debug(2, "set hardware up for i960Rx"); 284 sc->aac_if = aac_rx_interface; 285 break; 286 case AAC_HWIF_STRONGARM: 287 debug(2, "set hardware up for StrongARM"); 288 sc->aac_if = aac_sa_interface; 289 break; 290 case AAC_HWIF_FALCON: 291 debug(2, "set hardware up for Falcon/PPC"); 292 sc->aac_if = aac_fa_interface; 293 break; 294 case AAC_HWIF_RKT: 295 debug(2, "setu hardware up for Rocket/MIPS"); 296 sc->aac_if = aac_rkt_interface; 297 break; 298 default: 299 sc->aac_hwif = AAC_HWIF_UNKNOWN; 300 break; 301 } 302 303 /* Set up quirks */ 304 sc->flags = aac_identifiers[i].quirks; 305 306 break; 307 } 308 } 309 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 310 device_printf(sc->aac_dev, "unknown hardware type\n"); 311 error = ENXIO; 312 goto out; 313 } 314 315 316 /* 317 * Do bus-independent initialisation. 318 */ 319 error = aac_attach(sc); 320 321 out: 322 if (error) 323 aac_free(sc); 324 return(error); 325 } 326 327 /* 328 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 329 * controller. This is needed to keep the power management subsystem from 330 * trying to power down these devices. 331 */ 332 static int aacch_probe(device_t dev); 333 static int aacch_attach(device_t dev); 334 static int aacch_detach(device_t dev); 335 336 static device_method_t aacch_methods[] = { 337 /* Device interface */ 338 DEVMETHOD(device_probe, aacch_probe), 339 DEVMETHOD(device_attach, aacch_attach), 340 DEVMETHOD(device_detach, aacch_detach), 341 { 0, 0 } 342 }; 343 344 struct aacch_softc { 345 device_t dev; 346 }; 347 348 static driver_t aacch_driver = { 349 "aacch", 350 aacch_methods, 351 sizeof(struct aacch_softc) 352 }; 353 354 static devclass_t aacch_devclass; 355 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0); 356 357 static int 358 aacch_probe(device_t dev) 359 { 360 361 if ((pci_get_vendor(dev) != 0x9005) || 362 (pci_get_device(dev) != 0x00c5)) 363 return (ENXIO); 364 365 device_set_desc(dev, "AAC RAID Channel"); 366 return (-10); 367 } 368 369 static int 370 aacch_attach(device_t dev) 371 { 372 struct aacch_softc *sc; 373 374 sc = device_get_softc(dev); 375 376 sc->dev = dev; 377 378 return (0); 379 } 380 381 static int 382 aacch_detach(device_t dev) 383 { 384 385 return (0); 386 } 387 388