sys/dev/raid/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  *      $FreeBSD: src/sys/dev/aac/aac_pci.c,v 1.3.2.19 2003/11/01 18:44:51 scottl Exp $
  30  *      $DragonFly: src/sys/dev/raid/aac/aac_pci.c,v 1.13 2008/01/20 03:40:35 pavalos Exp $
  31  */
  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/bus.h>
  45 #include <sys/conf.h>
  46 #include <sys/devicestat.h>
  47 #include <sys/disk.h>
  48 #include <sys/rman.h>
  49
  50 #include <bus/pci/pcireg.h>
  51 #include <bus/pci/pcivar.h>
  52
  53 #include "aacreg.h"
  54 #include "aac_ioctl.h"
  55 #include "aacvar.h"
  56
  57 static int      aac_pci_probe(device_t dev);
  58 static int      aac_pci_attach(device_t dev);
  59
  60 static device_method_t aac_methods[] = {
  61         /* Device interface */
  62         DEVMETHOD(device_probe,         aac_pci_probe),
  63         DEVMETHOD(device_attach,        aac_pci_attach),
  64         DEVMETHOD(device_detach,        aac_detach),
  65         DEVMETHOD(device_suspend,       aac_suspend),
  66         DEVMETHOD(device_resume,        aac_resume),
  67
  68         DEVMETHOD(bus_print_child,      bus_generic_print_child),
  69         DEVMETHOD(bus_driver_added,     bus_generic_driver_added),
  70         { 0, 0 }
  71 };
  72
  73 static driver_t aac_pci_driver = {
  74         "aac",
  75         aac_methods,
  76         sizeof(struct aac_softc)
  77 };
  78
  79 devclass_t      aac_devclass;
  80
  81 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
  82
  83 static struct aac_ident
  84 {
  85         u_int16_t               vendor;
  86         u_int16_t               device;
  87         u_int16_t               subvendor;
  88         u_int16_t               subdevice;
  89         int                     hwif;
  90         int                     quirks;
  91         char                    *desc;
  92 } aac_identifiers[] = {
  93         {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0,
  94         "Dell PERC 2/Si"},
  95         {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0,
  96         "Dell PERC 3/Di"},
  97         {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0,
  98         "Dell PERC 3/Si"},
  99         {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0,
 100         "Dell PERC 3/Si"},
 101         {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0,
 102         "Dell PERC 3/Di"},
 103         {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0,
 104         "Dell PERC 3/Di"},
 105         {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0,
 106         "Dell PERC 3/Di"},
 107         {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0,
 108         "Dell PERC 3/Di"},
 109         {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0,
 110         "Dell PERC 3/Di"},
 111         {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0,
 112         "Adaptec AAC-364"},
 113         {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM,
 114          AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"},
 115         {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC,
 116         "Dell PERC 2/QC"},
 117         {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0,
 118         "HP NetRaid-4M"},
 119         {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 120         "Adaptec SCSI RAID 2200S"},
 121         {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 122         "Dell PERC 320/DC"},
 123         {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 124         "Adaptec SCSI RAID 2120S"},
 125         {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 126          "Adaptec SATA RAID 2410SA"},
 127         {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 128          "Dell CERC SATA RAID 2"},
 129         {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 130          "Adaptec SATA RAID 2810SA"},
 131         {0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 132          "Adaptec SATA RAID 21610SA"},
 133         {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
 134          "HP ML110 G2 (Adaptec 2610SA)"},
 135         {0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0,
 136          "Adaptec SCSI RAID 2230S"},
 137         {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0,
 138          "Adaptec SCSI RAID 2130S"},
 139
 140         {0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
 141          AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
 142         {0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
 143          AAC_FLAGS_256FIBS, "Legend S220"},
 144         {0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
 145          AAC_FLAGS_256FIBS, "Legend S230"},
 146         {0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0,
 147          "Adaptec SCSI RAID 3230S"},
 148         {0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0,
 149          "Adaptec SCSI RAID 3240S"},
 150         {0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0,
 151          "Adaptec SCSI RAID 2020ZCR"},
 152         {0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0,
 153          "Adaptec SCSI RAID 2025ZCR"},
 154         {0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, 0,
 155          "Adaptec SATA RAID 2820SA"},
 156         {0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0,
 157          "Adaptec SATA RAID 2620SA"},
 158         {0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0,
 159          "Adaptec SATA RAID 2420SA"},
 160         {0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0,
 161          "ICP ICP9024RO SCSI RAID"},
 162         {0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0,
 163          "ICP ICP9014RO SCSI RAID"},
 164         {0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0,
 165          "Adaptec SATA RAID 2026ZCR"},
 166         {0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, 0,
 167          "Adaptec SATA RAID 2610SA"},
 168         {0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0,
 169          "Adaptec SCSI RAID 2240S"},
 170         {0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0,
 171          "Adaptec SAS RAID 4005SAS"},
 172         {0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0,
 173          "IBM ServeRAID 8i"},
 174         {0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0,
 175          "Adaptec SAS RAID 4000SAS"},
 176         {0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0,
 177          "Adaptec SAS RAID 4800SAS"},
 178         {0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0,
 179          "Adaptec SAS RAID 4805SAS"},
 180         {0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0,
 181          "Adaptec SATA RAID 2020SA ZCR"},
 182         {0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0,
 183          "Adaptec SATA RAID 2025SA ZCR"},
 184         {0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0,
 185          "ICP ICP9085LI SAS RAID"},
 186         {0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0,
 187          "ICP ICP5085BR SAS RAID"},
 188         {0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0,
 189          "ICP ICP9047MA SATA RAID"},
 190         {0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0,
 191          "ICP ICP9087MA SATA RAID"},
 192         {0x9005, 0x0285, 0x9005, 0x02bb, AAC_HWIF_I960RX, 0,
 193          "Adaptec RAID 3405"},
 194         {0x9005, 0x0285, 0x9005, 0x02bc, AAC_HWIF_I960RX, 0,
 195          "Adaptec RAID 3805"},
 196         {0x9005, 0x0286, 0x1014, 0x9580, AAC_HWIF_RKT, 0,
 197          "IBM ServeRAID-8k"},
 198         {0, 0, 0, 0, 0, 0, 0}
 199 };
 200
 201 static struct aac_ident *
 202 aac_find_ident(device_t dev)
 203 {
 204         struct aac_ident *m;
 205
 206         for (m = aac_identifiers; m->vendor != 0; m++) {
 207                 if ((m->vendor == pci_get_vendor(dev)) &&
 208                     (m->device == pci_get_device(dev)) &&
 209                     (m->subvendor == pci_get_subvendor(dev)) &&
 210                     (m->subdevice == pci_get_subdevice(dev)))
 211                 return (m);
 212         }
 213
 214         return (NULL);
 215 }
 216
 217 /*
 218  * Determine whether this is one of our supported adapters.
 219  */
 220 static int
 221 aac_pci_probe(device_t dev)
 222 {
 223         struct aac_ident *id;
 224
 225         debug_called(1);
 226
 227         if ((id = aac_find_ident(dev)) != NULL) {
 228                 device_set_desc(dev, id->desc);
 229                 return(BUS_PROBE_DEFAULT);
 230         }
 231         return(ENXIO);
 232 }
 233
 234 /*
 235  * Allocate resources for our device, set up the bus interface.
 236  */
 237 static int
 238 aac_pci_attach(device_t dev)
 239 {
 240         struct aac_softc *sc;
 241         struct aac_ident *id;
 242         int error;
 243         u_int32_t command;
 244
 245         debug_called(1);
 246
 247         /*
 248          * Initialise softc.
 249          */
 250         sc = device_get_softc(dev);
 251         bzero(sc, sizeof(*sc));
 252         sc->aac_dev = dev;
 253
 254         /* assume failure is 'not configured' */
 255         error = ENXIO;
 256
 257         /*
 258          * Verify that the adapter is correctly set up in PCI space.
 259          */
 260         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
 261         command |= PCIM_CMD_BUSMASTEREN;
 262         pci_write_config(dev, PCIR_COMMAND, command, 2);
 263         command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
 264         if (!(command & PCIM_CMD_BUSMASTEREN)) {
 265                 device_printf(sc->aac_dev, "can't enable bus-master feature\n");
 266                 goto out;
 267         }
 268         if ((command & PCIM_CMD_MEMEN) == 0) {
 269                 device_printf(sc->aac_dev, "memory window not available\n");
 270                 goto out;
 271         }
 272
 273         /*
 274          * Allocate the PCI register window.
 275          */
 276         sc->aac_regs_rid = PCIR_BAR(0);
 277         if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev,
 278                                                             SYS_RES_MEMORY,
 279                                                             &sc->aac_regs_rid,
 280                                                             RF_ACTIVE)) ==
 281                                                             NULL) {
 282                 device_printf(sc->aac_dev,
 283                               "couldn't allocate register window\n");
 284                 goto out;
 285         }
 286         sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
 287         sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
 288
 289         /* assume failure is 'out of memory' */
 290         error = ENOMEM;
 291
 292         /*
 293          * Allocate the parent bus DMA tag appropriate for our PCI interface.
 294          *
 295          * Note that some of these controllers are 64-bit capable.
 296          */
 297         if (bus_dma_tag_create(NULL,                    /* parent */
 298                                PAGE_SIZE, 0,            /* algnmnt, boundary */
 299                                BUS_SPACE_MAXADDR,       /* lowaddr */
 300                                BUS_SPACE_MAXADDR,       /* highaddr */
 301                                NULL, NULL,              /* filter, filterarg */
 302                                BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
 303                                BUS_SPACE_UNRESTRICTED,  /* nsegments */
 304                                BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
 305                                0,                       /* flags */
 306                                &sc->aac_parent_dmat)) {
 307                 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
 308                 goto out;
 309         }
 310
 311         /*
 312          * Detect the hardware interface version, set up the bus interface
 313          * indirection.
 314          */
 315         id = aac_find_ident(dev);
 316         sc->aac_hwif = id->hwif;
 317         switch(sc->aac_hwif) {
 318         case AAC_HWIF_I960RX:
 319                 debug(2, "set hardware up for i960Rx");
 320                 sc->aac_if = aac_rx_interface;
 321                 break;
 322         case AAC_HWIF_STRONGARM:
 323                 debug(2, "set hardware up for StrongARM");
 324                 sc->aac_if = aac_sa_interface;
 325                 break;
 326         case AAC_HWIF_FALCON:
 327                 debug(2, "set hardware up for Falcon/PPC");
 328                 sc->aac_if = aac_fa_interface;
 329                 break;
 330         case AAC_HWIF_RKT:
 331                 debug(2, "set hardware up for Rocket/MIPS");
 332                 sc->aac_if = aac_rkt_interface;
 333                 break;
 334         default:
 335                 sc->aac_hwif = AAC_HWIF_UNKNOWN;
 336                 device_printf(sc->aac_dev, "unknown hardware type\n");
 337                 error = ENXIO;
 338                 goto out;
 339         }
 340
 341         /* Set up quirks */
 342         sc->flags = id->quirks;
 343
 344         /*
 345          * Do bus-independent initialisation.
 346          */
 347         error = aac_attach(sc);
 348
 349 out:
 350         if (error)
 351                 aac_free(sc);
 352         return(error);
 353 }
 354
 355 /*
 356  * Do nothing driver that will attach to the SCSI channels of a Dell PERC
 357  * controller.  This is needed to keep the power management subsystem from
 358  * trying to power down these devices.
 359  */
 360 static int aacch_probe(device_t dev);
 361 static int aacch_attach(device_t dev);
 362 static int aacch_detach(device_t dev);
 363
 364 static device_method_t aacch_methods[] = {
 365         /* Device interface */
 366         DEVMETHOD(device_probe,         aacch_probe),
 367         DEVMETHOD(device_attach,        aacch_attach),
 368         DEVMETHOD(device_detach,        aacch_detach),
 369         { 0, 0 }
 370 };
 371
 372 struct aacch_softc {
 373         device_t        dev;
 374 };
 375
 376 static driver_t aacch_driver = {
 377         "aacch",
 378         aacch_methods,
 379         sizeof(struct aacch_softc)
 380 };
 381
 382 static devclass_t       aacch_devclass;
 383 DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0);
 384
 385 static int
 386 aacch_probe(device_t dev)
 387 {
 388
 389         if ((pci_get_vendor(dev) != 0x9005) ||
 390             (pci_get_device(dev) != 0x00c5))
 391                 return (ENXIO);
 392
 393         device_set_desc(dev, "AAC RAID Channel");
 394         return (-10);
 395 }
 396
 397 static int
 398 aacch_attach(device_t dev)
 399 {
 400         struct aacch_softc *sc;
 401
 402         sc = device_get_softc(dev);
 403
 404         sc->dev = dev;
 405
 406         return (0);
 407 }
 408
 409 static int
 410 aacch_detach(device_t dev)
 411 {
 412
 413         return (0);
 414 }