sys/dev/pci/siop_pci.c

   1 /*      $NetBSD: siop_pci.c,v 1.25 2009/05/15 17:55:44 tsutsui Exp $    */
   2
   3 /*
   4  * Copyright (c) 2000 Manuel Bouyer.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 /* SYM53c8xx PCI-SCSI I/O Processors driver: PCI front-end */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: siop_pci.c,v 1.25 2009/05/15 17:55:44 tsutsui Exp $");
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/device.h>
  35 #include <sys/kernel.h>
  36
  37 #include <uvm/uvm_extern.h>
  38
  39 #include <dev/pci/pcireg.h>
  40 #include <dev/pci/pcivar.h>
  41
  42 #include <dev/scsipi/scsipi_all.h>
  43 #include <dev/scsipi/scsipiconf.h>
  44
  45 #include <dev/ic/siopvar_common.h>
  46 #include <dev/pci/siop_pci_common.h>
  47 #include <dev/ic/siopvar.h>
  48
  49 struct siop_pci_softc {
  50         struct siop_softc siop;
  51         struct siop_pci_common_softc siop_pci;
  52 };
  53
  54 static int
  55 siop_pci_match(device_t parent, cfdata_t match, void *aux)
  56 {
  57         struct pci_attach_args *pa = aux;
  58         const struct siop_product_desc *pp;
  59
  60         /* look if it's a known product */
  61         pp = siop_lookup_product(pa->pa_id, PCI_REVISION(pa->pa_class));
  62         if (pp)
  63                 return 1;
  64         return 0;
  65 }
  66
  67 static void
  68 siop_pci_attach(device_t parent, device_t self, void *aux)
  69 {
  70         struct pci_attach_args *pa = aux;
  71         struct siop_pci_softc *sc = device_private(self);
  72
  73         sc->siop.sc_c.sc_dev = self;
  74         if (siop_pci_attach_common(&sc->siop_pci, &sc->siop.sc_c,
  75             pa, siop_intr) == 0)
  76                 return;
  77
  78         siop_attach(&sc->siop);
  79 }
  80
  81 CFATTACH_DECL_NEW(siop_pci, sizeof(struct siop_pci_softc),
  82     siop_pci_match, siop_pci_attach, NULL, NULL);