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, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0, 137 "Adaptec SCSI RAID 2230S"}, 138 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 139 "Adaptec SCSI RAID 2130S"}, 140 {0, 0, 0, 0, 0, 0, 0} 141 }; 142 143 /* 144 * Determine whether this is one of our supported adapters. 145 */ 146 static int 147 aac_pci_probe(device_t dev) 148 { 149 struct aac_ident *m; 150 151 debug_called(1); 152 153 for (m = aac_identifiers; m->vendor != 0; m++) { 154 if ((m->vendor == pci_get_vendor(dev)) && 155 (m->device == pci_get_device(dev)) && 156 ((m->subvendor == 0) || (m->subvendor == 157 pci_get_subvendor(dev))) && 158 ((m->subdevice == 0) || ((m->subdevice == 159 pci_get_subdevice(dev))))) { 160 161 device_set_desc(dev, m->desc); 162 return(BUS_PROBE_DEFAULT); 163 } 164 } 165 return(ENXIO); 166 } 167 168 /* 169 * Allocate resources for our device, set up the bus interface. 170 */ 171 static int 172 aac_pci_attach(device_t dev) 173 { 174 struct aac_softc *sc; 175 int i, error; 176 u_int32_t command; 177 178 debug_called(1); 179 180 /* 181 * Initialise softc. 182 */ 183 sc = device_get_softc(dev); 184 bzero(sc, sizeof(*sc)); 185 sc->aac_dev = dev; 186 187 /* assume failure is 'not configured' */ 188 error = ENXIO; 189 190 /* 191 * Verify that the adapter is correctly set up in PCI space. 192 */ 193 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 194 command |= PCIM_CMD_BUSMASTEREN; 195 pci_write_config(dev, PCIR_COMMAND, command, 2); 196 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 197 if (!(command & PCIM_CMD_BUSMASTEREN)) { 198 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 199 goto out; 200 } 201 if ((command & PCIM_CMD_MEMEN) == 0) { 202 device_printf(sc->aac_dev, "memory window not available\n"); 203 goto out; 204 } 205 206 /* 207 * Allocate the PCI register window. 208 */ 209 sc->aac_regs_rid = PCIR_BAR(0); 210 if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev, 211 SYS_RES_MEMORY, 212 &sc->aac_regs_rid, 213 RF_ACTIVE)) == 214 NULL) { 215 device_printf(sc->aac_dev, 216 "couldn't allocate register window\n"); 217 goto out; 218 } 219 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 220 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 221 222 /* 223 * Allocate and connect our interrupt. 224 */ 225 sc->aac_irq_rid = 0; 226 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 227 &sc->aac_irq_rid, 228 RF_SHAREABLE | 229 RF_ACTIVE)) == NULL) { 230 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 231 goto out; 232 } 233 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 234 INTR_FAST|INTR_TYPE_BIO, aac_intr, 235 sc, &sc->aac_intr)) { 236 device_printf(sc->aac_dev, "can't set up FAST interrupt\n"); 237 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 238 INTR_MPSAFE|INTR_ENTROPY|INTR_TYPE_BIO, 239 aac_intr, sc, &sc->aac_intr)) { 240 device_printf(sc->aac_dev, 241 "can't set up MPSAFE interrupt\n"); 242 goto out; 243 } 244 } 245 246 /* assume failure is 'out of memory' */ 247 error = ENOMEM; 248 249 /* 250 * Allocate the parent bus DMA tag appropriate for our PCI interface. 251 * 252 * Note that some of these controllers are 64-bit capable. 253 */ 254 if (bus_dma_tag_create(NULL, /* parent */ 255 PAGE_SIZE, 0, /* algnmnt, boundary */ 256 BUS_SPACE_MAXADDR, /* lowaddr */ 257 BUS_SPACE_MAXADDR, /* highaddr */ 258 NULL, NULL, /* filter, filterarg */ 259 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 260 AAC_MAXSGENTRIES, /* nsegments */ 261 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 262 0, /* flags */ 263 NULL, NULL, /* No locking needed */ 264 &sc->aac_parent_dmat)) { 265 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 266 goto out; 267 } 268 269 /* 270 * Detect the hardware interface version, set up the bus interface 271 * indirection. 272 */ 273 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 274 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 275 (aac_identifiers[i].device == pci_get_device(dev)) && 276 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 277 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 278 sc->aac_hwif = aac_identifiers[i].hwif; 279 switch(sc->aac_hwif) { 280 case AAC_HWIF_I960RX: 281 debug(2, "set hardware up for i960Rx"); 282 sc->aac_if = aac_rx_interface; 283 break; 284 case AAC_HWIF_STRONGARM: 285 debug(2, "set hardware up for StrongARM"); 286 sc->aac_if = aac_sa_interface; 287 break; 288 case AAC_HWIF_FALCON: 289 debug(2, "set hardware up for Falcon/PPC"); 290 sc->aac_if = aac_fa_interface; 291 break; 292 case AAC_HWIF_RKT: 293 debug(2, "setu hardware up for Rocket/MIPS"); 294 sc->aac_if = aac_rkt_interface; 295 break; 296 default: 297 sc->aac_hwif = AAC_HWIF_UNKNOWN; 298 break; 299 } 300 301 /* Set up quirks */ 302 sc->flags = aac_identifiers[i].quirks; 303 304 break; 305 } 306 } 307 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 308 device_printf(sc->aac_dev, "unknown hardware type\n"); 309 error = ENXIO; 310 goto out; 311 } 312 313 314 /* 315 * Do bus-independent initialisation. 316 */ 317 error = aac_attach(sc); 318 319 out: 320 if (error) 321 aac_free(sc); 322 return(error); 323 } 324 325 /* 326 * Do nothing driver that will attach to the SCSI channels of a Dell PERC 327 * controller. This is needed to keep the power management subsystem from 328 * trying to power down these devices. 329 */ 330 static int aacch_probe(device_t dev); 331 static int aacch_attach(device_t dev); 332 static int aacch_detach(device_t dev); 333 334 static device_method_t aacch_methods[] = { 335 /* Device interface */ 336 DEVMETHOD(device_probe, aacch_probe), 337 DEVMETHOD(device_attach, aacch_attach), 338 DEVMETHOD(device_detach, aacch_detach), 339 { 0, 0 } 340 }; 341 342 struct aacch_softc { 343 device_t dev; 344 }; 345 346 static driver_t aacch_driver = { 347 "aacch", 348 aacch_methods, 349 sizeof(struct aacch_softc) 350 }; 351 352 static devclass_t aacch_devclass; 353 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0); 354 355 static int 356 aacch_probe(device_t dev) 357 { 358 359 if ((pci_get_subvendor(dev) != 0x9005) || 360 (pci_get_subdevice(dev) != 0x00c5)) 361 return (ENXIO); 362 363 device_set_desc(dev, "AAC RAID Channel"); 364 return (-10); 365 } 366 367 static int 368 aacch_attach(device_t dev) 369 { 370 struct aacch_softc *sc; 371 372 sc = device_get_softc(dev); 373 374 sc->dev = dev; 375 376 return (0); 377 } 378 379 static int 380 aacch_detach(device_t dev) 381 { 382 383 return (0); 384 } 385 386