root/dev/pci/twe_pci.c

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DEFINITIONS

This source file includes following definitions.
  1. twe_pci_match
  2. twe_pci_attach

    1 /*      $OpenBSD: twe_pci.c,v 1.12 2006/08/25 04:35:03 brad Exp $       */
    2 
    3 /*
    4  * Copyright (c) 2000 Michael Shalayeff
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
   20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   22  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
   25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   26  * THE POSSIBILITY OF SUCH DAMAGE.
   27  */
   28 
   29 #include <sys/param.h>
   30 #include <sys/systm.h>
   31 #include <sys/kernel.h>
   32 #include <sys/malloc.h>
   33 #include <sys/device.h>
   34 
   35 #include <dev/pci/pcidevs.h>
   36 #include <dev/pci/pcivar.h>
   37 
   38 #include <machine/bus.h>
   39 
   40 #include <scsi/scsi_all.h>
   41 #include <scsi/scsi_disk.h>
   42 #include <scsi/scsiconf.h>
   43 
   44 #include <dev/ic/twereg.h>
   45 #include <dev/ic/twevar.h>
   46 
   47 #define TWE_BAR 0x10
   48 
   49 int     twe_pci_match(struct device *, void *, void *);
   50 void    twe_pci_attach(struct device *, struct device *, void *);
   51 
   52 struct cfattach twe_pci_ca = {
   53         sizeof(struct twe_softc), twe_pci_match, twe_pci_attach
   54 };
   55 
   56 const struct pci_matchid twe_pci_devices[] = {
   57         { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_ESCALADE },
   58         { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_ESCALADE_ASIC }
   59 };
   60 
   61 int
   62 twe_pci_match(parent, match, aux)
   63         struct device *parent;
   64         void *match;
   65         void *aux;
   66 {
   67         return (pci_matchbyid((struct pci_attach_args *)aux, twe_pci_devices,
   68             sizeof(twe_pci_devices)/sizeof(twe_pci_devices[0])));
   69 }
   70 
   71 void
   72 twe_pci_attach(parent, self, aux)
   73         struct device *parent, *self;
   74         void *aux;
   75 {
   76         struct twe_softc *sc = (struct twe_softc *)self;
   77         struct pci_attach_args *pa = aux;
   78         pci_intr_handle_t ih;
   79         const char *intrstr;
   80         bus_size_t size;
   81 
   82         if (pci_mapreg_map(pa, TWE_BAR, PCI_MAPREG_TYPE_IO, 0,
   83             &sc->iot, &sc->ioh, NULL, &size, 0)) {
   84                 printf(": can't map controller i/o space\n");
   85                 return;
   86         }
   87         sc->dmat = pa->pa_dmat;
   88 
   89         if (pci_intr_map(pa, &ih)) {
   90                 printf(": can't map interrupt\n");
   91                 bus_space_unmap(sc->iot, sc->ioh, size);
   92                 return;
   93         }
   94         intrstr = pci_intr_string(pa->pa_pc, ih);
   95         sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, twe_intr, sc,
   96             sc->sc_dev.dv_xname);
   97         if (!sc->sc_ih) {
   98                 printf(": can't establish interrupt");
   99                 if (intrstr)
  100                         printf(" at %s", intrstr);
  101                 printf("\n");
  102                 bus_space_unmap(sc->iot, sc->ioh, size);
  103                 return;
  104         }
  105 
  106         printf(": %s\n%s", intrstr, sc->sc_dev.dv_xname);
  107 
  108         if (twe_attach(sc)) {
  109                 pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
  110                 sc->sc_ih = NULL;
  111                 bus_space_unmap(sc->iot, sc->ioh, size);
  112         }
  113 }

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