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