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/* $OpenBSD: mfi_pci.c,v 1.24 2011/07/01 21:51:12 deraadt Exp $ */
/*
* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "bio.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/rwlock.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <machine/bus.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_disk.h>
#include <scsi/scsiconf.h>
#include <dev/ic/mfireg.h>
#include <dev/ic/mfivar.h>
#define MFI_BAR 0x10
#define MFI_BAR_GEN2 0x14
#define MFI_PCI_MEMSIZE 0x2000 /* 8k */
int mfi_pci_match(struct device *, void *, void *);
void mfi_pci_attach(struct device *, struct device *, void *);
struct cfattach mfi_pci_ca = {
sizeof(struct mfi_softc), mfi_pci_match, mfi_pci_attach
};
struct mfi_pci_subtype {
pcireg_t st_id;
const char *st_string;
};
static const struct mfi_pci_subtype mfi_1078_subtypes[] = {
{ 0x10061000, "SAS 8888ELP" },
{ 0x100a1000, "SAS 8708ELP" },
{ 0x100f1000, "SAS 8708E" },
{ 0x10121000, "SAS 8704ELP" },
{ 0x10131000, "SAS 8708EM2" },
{ 0x10161000, "SAS 8880EM2" },
{ 0x1f0a1028, "Dell PERC 6/e" },
{ 0x1f0b1028, "Dell PERC 6/i" },
{ 0x1f0d1028, "Dell CERC 6/i" },
{ 0x1f0c1028, "Dell PERC 6/i integrated" },
{ 0x1f111028, "Dell CERC 6/i integrated" },
{ 0x0, "" }
};
static const struct mfi_pci_subtype mfi_perc5_subtypes[] = {
{ 0x1f011028, "Dell PERC 5/e" },
{ 0x1f021028, "Dell PERC 5/i" },
{ 0x0, "" }
};
static const struct mfi_pci_subtype mfi_gen2_subtypes[] = {
{ 0x1f151028, "Dell PERC H800 Adapter" },
{ 0x1f161028, "Dell PERC H700 Adapter" },
{ 0x1f171028, "Dell PERC H700 Integrated" },
{ 0x1f181028, "Dell PERC H700 Modular" },
{ 0x1f191028, "Dell PERC H700" },
{ 0x1f1a1028, "Dell PERC H800 Proto Adapter" },
{ 0x1f1b1028, "Dell PERC H800" },
{ 0x0, "" }
};
static const
struct mfi_pci_device {
pcireg_t mpd_vendor;
pcireg_t mpd_product;
enum mfi_iop mpd_iop;
const struct mfi_pci_subtype *mpd_subtype;
} mfi_pci_devices[] = {
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
MFI_IOP_XSCALE, NULL },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
MFI_IOP_XSCALE, NULL },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078,
MFI_IOP_PPC, mfi_1078_subtypes },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE,
MFI_IOP_PPC, mfi_1078_subtypes },
{ PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC5,
MFI_IOP_XSCALE, mfi_perc5_subtypes },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1,
MFI_IOP_GEN2, mfi_gen2_subtypes },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2,
MFI_IOP_GEN2, mfi_gen2_subtypes },
};
const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *);
const struct mfi_pci_device *
mfi_pci_find_device(struct pci_attach_args *pa)
{
const struct mfi_pci_device *mpd;
int i;
for (i = 0; i < nitems(mfi_pci_devices); i++) {
mpd = &mfi_pci_devices[i];
if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) &&
mpd->mpd_product == PCI_PRODUCT(pa->pa_id))
return (mpd);
}
return (NULL);
}
int
mfi_pci_match(struct device *parent, void *match, void *aux)
{
return ((mfi_pci_find_device(aux) != NULL) ? 1 : 0);
}
void
mfi_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct mfi_softc *sc = (struct mfi_softc *)self;
struct pci_attach_args *pa = aux;
const struct mfi_pci_device *mpd;
const struct mfi_pci_subtype *st;
const char *intrstr;
pci_intr_handle_t ih;
bus_size_t size;
pcireg_t reg;
int regbar;
const char *subtype = NULL;
char subid[32];
mpd = mfi_pci_find_device(pa);
if (mpd == NULL) {
printf(": can't find matching pci device\n");
return;
}
if (mpd->mpd_iop == MFI_IOP_GEN2)
regbar = MFI_BAR_GEN2;
else
regbar = MFI_BAR;
reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar);
if (pci_mapreg_map(pa, regbar, reg, 0,
&sc->sc_iot, &sc->sc_ioh, NULL, &size, MFI_PCI_MEMSIZE)) {
printf(": can't map controller pci space\n");
return;
}
sc->sc_dmat = pa->pa_dmat;
if (pci_intr_map_msi(pa, &ih) != 0 && pci_intr_map(pa, &ih) != 0) {
printf(": can't map interrupt\n");
bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc,
sc->sc_dev.dv_xname);
if (!sc->sc_ih) {
printf(": can't establish interrupt");
if (intrstr)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
return;
}
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
if (mpd->mpd_subtype != NULL) {
st = mpd->mpd_subtype;
while (st->st_id != 0x0) {
if (st->st_id == reg) {
subtype = st->st_string;
break;
}
st++;
}
}
if (subtype == NULL) {
snprintf(subid, sizeof(subid), "0x%08x", reg);
subtype = subid;
}
printf(": %s, %s\n", intrstr, subtype);
if (mfi_attach(sc, mpd->mpd_iop)) {
printf("%s: can't attach\n", DEVNAME(sc));
pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
sc->sc_ih = NULL;
bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
}
}
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