sys/dev/aac/aac_pci.c

   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
 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, 0,
 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          "ICP9024RO SATA RAID"},
 165         {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0,
 166          "ICP9014RO SATA RAID"},
 167         {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0,
 168          "Adaptec SATA RAID 2026ZCR"},
 169         {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, 0,
 170          "Adaptec SATA RAID 2610SA"},
 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, 0x9005, 0x0298, AAC_HWIF_I960RX, 0,
 178          "Adaptec SAS RAID 4000SAS"},
 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 9085LI SAS RAID"},
 189         {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0,
 190          "ICP 5085BR SAS RAID"},
 191         {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0,
 192          "ICP9047MA SATA RAID"},
 193         {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0,
 194          "ICP9087MA SATA RAID"},
 195         {0, 0, 0, 0, 0, 0, 0}
 196 };
 197
 198 /*
 199  * Determine whether this is one of our supported adapters.
 200  */
 201 static int
 202 aac_pci_probe(device_t dev)
 203 {
 204         struct aac_ident *m;
 205
 206         debug_called(1);
 207
 208         for (m = aac_identifiers; m->vendor != 0; m++) {
 209                 if ((m->vendor == pci_get_vendor(dev)) &&
 210                     (m->device == pci_get_device(dev)) &&
 211                     ((m->subvendor == 0) || (m->subvendor ==
 212                                              pci_get_subvendor(dev))) &&
 213                     ((m->subdevice == 0) || ((m->subdevice ==
 214                                               pci_get_subdevice(dev))))) {
 215
 216                         device_set_desc(dev, m->desc);
 217                         return(BUS_PROBE_DEFAULT);
 218                 }
 219         }
 220         return(ENXIO);
 221 }
 222
 223 /*
 224  * Allocate resources for our device, set up the bus interface.
 225  */
 226 static int
 227 aac_pci_attach(device_t dev)
 228 {
 229         struct aac_softc *sc;
 230         int i, error;
 231         u_int32_t command;
 232
 233         debug_called(1);
 234
 235         /*
 236          * Initialise softc.
 237          */
 238         sc = device_get_softc(dev);
 239         bzero(sc, sizeof(*sc));
 240         sc->aac_dev = dev;
 241
 242         /* assume failure is 'not configured' */
 243         error = ENXIO;
 244
 245         /*
 246          * Verify that the adapter is correctly set up in PCI space.
 247          */
 248         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
 249         command |= PCIM_CMD_BUSMASTEREN;
 250         pci_write_config(dev, PCIR_COMMAND, command, 2);
 251         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
 252         if (!(command & PCIM_CMD_BUSMASTEREN)) {
 253                 device_printf(sc->aac_dev, "can't enable bus-master feature\n");
 254                 goto out;
 255         }
 256         if ((command & PCIM_CMD_MEMEN) == 0) {
 257                 device_printf(sc->aac_dev, "memory window not available\n");
 258                 goto out;
 259         }
 260
 261         /*
 262          * Allocate the PCI register window.
 263          */
 264         sc->aac_regs_rid = PCIR_BAR(0);
 265         if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev,
 266                                                             SYS_RES_MEMORY,
 267                                                             &sc->aac_regs_rid,
 268                                                             RF_ACTIVE)) ==
 269                                                             NULL) {
 270                 device_printf(sc->aac_dev,
 271                               "couldn't allocate register window\n");
 272                 goto out;
 273         }
 274         sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
 275         sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
 276
 277         /* assume failure is 'out of memory' */
 278         error = ENOMEM;
 279
 280         /*
 281          * Allocate the parent bus DMA tag appropriate for our PCI interface.
 282          *
 283          * Note that some of these controllers are 64-bit capable.
 284          */
 285         if (bus_dma_tag_create(NULL,                    /* parent */
 286                                PAGE_SIZE, 0,            /* algnmnt, boundary */
 287                                BUS_SPACE_MAXADDR,       /* lowaddr */
 288                                BUS_SPACE_MAXADDR,       /* highaddr */
 289                                NULL, NULL,              /* filter, filterarg */
 290                                BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
 291                                BUS_SPACE_UNRESTRICTED,  /* nsegments */
 292                                BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
 293                                0,                       /* flags */
 294                                NULL, NULL,              /* No locking needed */
 295                                &sc->aac_parent_dmat)) {
 296                 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
 297                 goto out;
 298         }
 299
 300         /*
 301          * Detect the hardware interface version, set up the bus interface
 302          * indirection.
 303          */
 304         for (i = 0; aac_identifiers[i].vendor != 0; i++) {
 305                 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) &&
 306                     (aac_identifiers[i].device == pci_get_device(dev)) &&
 307                     (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) &&
 308                     (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) {
 309                         sc->aac_hwif = aac_identifiers[i].hwif;
 310                         switch(sc->aac_hwif) {
 311                         case AAC_HWIF_I960RX:
 312                                 debug(2, "set hardware up for i960Rx");
 313                                 sc->aac_if = aac_rx_interface;
 314                                 break;
 315                         case AAC_HWIF_STRONGARM:
 316                                 debug(2, "set hardware up for StrongARM");
 317                                 sc->aac_if = aac_sa_interface;
 318                                 break;
 319                         case AAC_HWIF_FALCON:
 320                                 debug(2, "set hardware up for Falcon/PPC");
 321                                 sc->aac_if = aac_fa_interface;
 322                                 break;
 323                         case AAC_HWIF_RKT:
 324                                 debug(2, "set hardware up for Rocket/MIPS");
 325                                 sc->aac_if = aac_rkt_interface;
 326                                 break;
 327                         default:
 328                                 sc->aac_hwif = AAC_HWIF_UNKNOWN;
 329                                 break;
 330                         }
 331
 332                         /* Set up quirks */
 333                         sc->flags = aac_identifiers[i].quirks;
 334
 335                         break;
 336                 }
 337         }
 338         if (sc->aac_hwif == AAC_HWIF_UNKNOWN) {
 339                 device_printf(sc->aac_dev, "unknown hardware type\n");
 340                 error = ENXIO;
 341                 goto out;
 342         }
 343
 344
 345         /*
 346          * Do bus-independent initialisation.
 347          */
 348         error = aac_attach(sc);
 349
 350 out:
 351         if (error)
 352                 aac_free(sc);
 353         return(error);
 354 }
 355
 356 /*
 357  * Do nothing driver that will attach to the SCSI channels of a Dell PERC
 358  * controller.  This is needed to keep the power management subsystem from
 359  * trying to power down these devices.
 360  */
 361 static int aacch_probe(device_t dev);
 362 static int aacch_attach(device_t dev);
 363 static int aacch_detach(device_t dev);
 364
 365 static device_method_t aacch_methods[] = {
 366         /* Device interface */
 367         DEVMETHOD(device_probe,         aacch_probe),
 368         DEVMETHOD(device_attach,        aacch_attach),
 369         DEVMETHOD(device_detach,        aacch_detach),
 370         { 0, 0 }
 371 };
 372
 373 struct aacch_softc {
 374         device_t        dev;
 375 };
 376
 377 static driver_t aacch_driver = {
 378         "aacch",
 379         aacch_methods,
 380         sizeof(struct aacch_softc)
 381 };
 382
 383 static devclass_t       aacch_devclass;
 384 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0);
 385
 386 static int
 387 aacch_probe(device_t dev)
 388 {
 389
 390         if ((pci_get_vendor(dev) != 0x9005) ||
 391             (pci_get_device(dev) != 0x00c5))
 392                 return (ENXIO);
 393
 394         device_set_desc(dev, "AAC RAID Channel");
 395         return (-10);
 396 }
 397
 398 static int
 399 aacch_attach(device_t dev)
 400 {
 401         struct aacch_softc *sc;
 402
 403         sc = device_get_softc(dev);
 404
 405         sc->dev = dev;
 406
 407         return (0);
 408 }
 409
 410 static int
 411 aacch_detach(device_t dev)
 412 {
 413
 414         return (0);
 415 }
 416