root/dev/pci/mfi_pci.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. mfi_pci_find_device
  2. mfi_pci_match
  3. mfi_pci_attach

    1 /* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
    2 /*
    3  * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
    4  *
    5  * Permission to use, copy, modify, and distribute this software for any
    6  * purpose with or without fee is hereby granted, provided that the above
    7  * copyright notice and this permission notice appear in all copies.
    8  *
    9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   16  */
   17 
   18 #include <sys/param.h>
   19 #include <sys/systm.h>
   20 #include <sys/kernel.h>
   21 #include <sys/malloc.h>
   22 #include <sys/device.h>
   23 #include <sys/rwlock.h>
   24 
   25 #include <dev/pci/pcidevs.h>
   26 #include <dev/pci/pcivar.h>
   27 
   28 #include <machine/bus.h>
   29 
   30 #include <scsi/scsi_all.h>
   31 #include <scsi/scsi_disk.h>
   32 #include <scsi/scsiconf.h>
   33 
   34 #include <dev/ic/mfireg.h>
   35 #include <dev/ic/mfivar.h>
   36 
   37 #define MFI_BAR         0x10
   38 #define MFI_PCI_MEMSIZE 0x2000 /* 8k */
   39 
   40 int     mfi_pci_find_device(void *);
   41 int     mfi_pci_match(struct device *, void *, void *);
   42 void    mfi_pci_attach(struct device *, struct device *, void *);
   43 
   44 struct cfattach mfi_pci_ca = {
   45         sizeof(struct mfi_softc), mfi_pci_match, mfi_pci_attach
   46 };
   47 
   48 static const
   49 struct  mfi_pci_device {
   50         pcireg_t        mpd_vendor;
   51         pcireg_t        mpd_product;
   52         pcireg_t        mpd_subvendor;
   53         pcireg_t        mpd_subproduct;
   54         char            *mpd_model;
   55         uint32_t        mpd_flags;
   56 } mfi_pci_devices[] = {
   57         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
   58           0,                    0,              "",                     0 },
   59         { PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
   60           0,                    0,              "",                     0 },
   61         { PCI_VENDOR_DELL,      PCI_PRODUCT_DELL_PERC5,
   62           PCI_VENDOR_DELL,      0x1f01,         "Dell PERC 5/e",        0 },
   63         { PCI_VENDOR_DELL,      PCI_PRODUCT_DELL_PERC5,
   64           PCI_VENDOR_DELL,      0x1f02,         "Dell PERC 5/i",        0 },
   65         { 0 }
   66 };
   67 
   68 int
   69 mfi_pci_find_device(void *aux) {
   70         struct pci_attach_args  *pa = aux;
   71         int                     i;
   72 
   73         for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) {
   74                 if (mfi_pci_devices[i].mpd_vendor == PCI_VENDOR(pa->pa_id) &&
   75                     mfi_pci_devices[i].mpd_product == PCI_PRODUCT(pa->pa_id)) {
   76                         DNPRINTF(MFI_D_MISC, "mfi_pci_find_device: %i\n", i);
   77                         return (i);
   78                 }
   79         }
   80 
   81         return (-1);
   82 }
   83 
   84 int
   85 mfi_pci_match(struct device *parent, void *match, void *aux)
   86 {
   87         int                     i;
   88 
   89         if ((i = mfi_pci_find_device(aux)) != -1) {
   90                 DNPRINTF(MFI_D_MISC,
   91                     "mfi_pci_match: vendor: %04x  product: %04x\n",
   92                     mfi_pci_devices[i].mpd_vendor,
   93                     mfi_pci_devices[i].mpd_product);
   94 
   95                 return (1);
   96         }
   97 
   98         return (0);
   99 }
  100 
  101 void
  102 mfi_pci_attach(struct device *parent, struct device *self, void *aux)
  103 {
  104         struct mfi_softc        *sc = (struct mfi_softc *)self;
  105         struct pci_attach_args  *pa = aux;
  106         const char              *intrstr;
  107         pci_intr_handle_t       ih;
  108         bus_size_t              size;
  109         pcireg_t                csr;
  110         uint32_t                subsysid, i;
  111 
  112         subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
  113         for (i = 0; mfi_pci_devices[i].mpd_vendor; i++)
  114                 if (mfi_pci_devices[i].mpd_subvendor == PCI_VENDOR(subsysid) &&
  115                     mfi_pci_devices[i].mpd_subproduct == PCI_PRODUCT(subsysid)){
  116                                 printf(", %s", mfi_pci_devices[i].mpd_model);
  117                                 break;
  118                 }
  119 
  120         csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR);
  121         csr |= PCI_MAPREG_MEM_TYPE_32BIT;
  122         if (pci_mapreg_map(pa, MFI_BAR, csr, 0,
  123             &sc->sc_iot, &sc->sc_ioh, NULL, &size, MFI_PCI_MEMSIZE)) {
  124                 printf(": can't map controller pci space\n");
  125                 return;
  126         }
  127 
  128         sc->sc_dmat = pa->pa_dmat;
  129 
  130         if (pci_intr_map(pa, &ih)) {
  131                 printf(": can't map interrupt\n");
  132                 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
  133                 return;
  134         }
  135         intrstr = pci_intr_string(pa->pa_pc, ih);
  136         sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc,
  137             sc->sc_dev.dv_xname);
  138         if (!sc->sc_ih) {
  139                 printf(": can't establish interrupt");
  140                 if (intrstr)
  141                         printf(" at %s", intrstr);
  142                 printf("\n");
  143                 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
  144                 return;
  145         }
  146 
  147         printf(": %s\n", intrstr);
  148 
  149         if (mfi_attach(sc)) {
  150                 printf("%s: can't attach", DEVNAME(sc));
  151                 pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
  152                 sc->sc_ih = NULL;
  153                 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
  154         }
  155 }

/* [<][>][^][v][top][bottom][index][help] */