283 lines
8.0 KiB
C
283 lines
8.0 KiB
C
/*-
|
|
* Copyright (c) 2006 IronPort Systems
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
/*-
|
|
* Copyright (c) 2007 LSI Corp.
|
|
* Copyright (c) 2007 Rajesh Prabhakaran.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */
|
|
|
|
#include "opt_mfi.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/selinfo.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/bio.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/uio.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
|
|
#include <dev/mfi/mfireg.h>
|
|
#include <dev/mfi/mfi_ioctl.h>
|
|
#include <dev/mfi/mfivar.h>
|
|
|
|
static int mfi_pci_probe(device_t);
|
|
static int mfi_pci_attach(device_t);
|
|
static int mfi_pci_detach(device_t);
|
|
static int mfi_pci_suspend(device_t);
|
|
static int mfi_pci_resume(device_t);
|
|
static void mfi_pci_free(struct mfi_softc *);
|
|
|
|
static device_method_t mfi_methods[] = {
|
|
DEVMETHOD(device_probe, mfi_pci_probe),
|
|
DEVMETHOD(device_attach, mfi_pci_attach),
|
|
DEVMETHOD(device_detach, mfi_pci_detach),
|
|
DEVMETHOD(device_suspend, mfi_pci_suspend),
|
|
DEVMETHOD(device_resume, mfi_pci_resume),
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t mfi_pci_driver = {
|
|
"mfi",
|
|
mfi_methods,
|
|
sizeof(struct mfi_softc)
|
|
};
|
|
|
|
static devclass_t mfi_devclass;
|
|
DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, 0, 0);
|
|
|
|
struct mfi_ident {
|
|
uint16_t vendor;
|
|
uint16_t device;
|
|
uint16_t subvendor;
|
|
uint16_t subdevice;
|
|
int flags;
|
|
const char *desc;
|
|
} mfi_identifiers[] = {
|
|
{0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
|
|
{0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
|
|
{0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
|
|
{0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"},
|
|
{0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
|
|
{0, 0, 0, 0, 0, NULL}
|
|
};
|
|
|
|
static struct mfi_ident *
|
|
mfi_find_ident(device_t dev)
|
|
{
|
|
struct mfi_ident *m;
|
|
|
|
for (m = mfi_identifiers; m->vendor != 0; m++) {
|
|
if ((m->vendor == pci_get_vendor(dev)) &&
|
|
(m->device == pci_get_device(dev)) &&
|
|
((m->subvendor == pci_get_subvendor(dev)) ||
|
|
(m->subvendor == 0xffff)) &&
|
|
((m->subdevice == pci_get_subdevice(dev)) ||
|
|
(m->subdevice == 0xffff)))
|
|
return (m);
|
|
}
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
mfi_pci_probe(device_t dev)
|
|
{
|
|
struct mfi_ident *id;
|
|
|
|
if ((id = mfi_find_ident(dev)) != NULL) {
|
|
device_set_desc(dev, id->desc);
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
mfi_pci_attach(device_t dev)
|
|
{
|
|
struct mfi_softc *sc;
|
|
struct mfi_ident *m;
|
|
uint32_t command;
|
|
int error;
|
|
|
|
sc = device_get_softc(dev);
|
|
bzero(sc, sizeof(*sc));
|
|
sc->mfi_dev = dev;
|
|
|
|
/* Verify that the adapter can be set up in PCI space */
|
|
command = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
command |= PCIM_CMD_BUSMASTEREN;
|
|
pci_write_config(dev, PCIR_COMMAND, command, 2);
|
|
command = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
|
|
device_printf(dev, "Can't enable PCI busmaster\n");
|
|
return (ENXIO);
|
|
}
|
|
if ((command & PCIM_CMD_MEMEN) == 0) {
|
|
device_printf(dev, "PCI memory window not available\n");
|
|
return (ENXIO);
|
|
}
|
|
|
|
/* Allocate PCI registers */
|
|
sc->mfi_regs_rid = PCIR_BAR(0);
|
|
if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
|
|
SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
|
|
device_printf(dev, "Cannot allocate PCI registers\n");
|
|
return (ENXIO);
|
|
}
|
|
sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
|
|
sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);
|
|
|
|
error = ENOMEM;
|
|
|
|
/* Allocate parent DMA tag */
|
|
if (bus_dma_tag_create( NULL, /* parent */
|
|
1, 0, /* algnmnt, boundary */
|
|
BUS_SPACE_MAXADDR, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
|
|
BUS_SPACE_UNRESTRICTED, /* nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
|
|
0, /* flags */
|
|
NULL, NULL, /* lockfunc, lockarg */
|
|
&sc->mfi_parent_dmat)) {
|
|
device_printf(dev, "Cannot allocate parent DMA tag\n");
|
|
goto out;
|
|
}
|
|
|
|
m = mfi_find_ident(dev);
|
|
sc->mfi_flags = m->flags;
|
|
|
|
error = mfi_attach(sc);
|
|
out:
|
|
if (error) {
|
|
mfi_free(sc);
|
|
mfi_pci_free(sc);
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
mfi_pci_detach(device_t dev)
|
|
{
|
|
struct mfi_softc *sc;
|
|
struct mfi_disk *ld;
|
|
int error;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
sx_xlock(&sc->mfi_config_lock);
|
|
mtx_lock(&sc->mfi_io_lock);
|
|
if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
|
|
mtx_unlock(&sc->mfi_io_lock);
|
|
sx_xunlock(&sc->mfi_config_lock);
|
|
return (EBUSY);
|
|
}
|
|
sc->mfi_detaching = 1;
|
|
mtx_unlock(&sc->mfi_io_lock);
|
|
|
|
while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) {
|
|
if ((error = device_delete_child(dev, ld->ld_dev)) != 0) {
|
|
sc->mfi_detaching = 0;
|
|
sx_xunlock(&sc->mfi_config_lock);
|
|
return (error);
|
|
}
|
|
}
|
|
sx_xunlock(&sc->mfi_config_lock);
|
|
|
|
EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
|
|
|
|
mfi_shutdown(sc);
|
|
mfi_free(sc);
|
|
mfi_pci_free(sc);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
mfi_pci_free(struct mfi_softc *sc)
|
|
{
|
|
|
|
if (sc->mfi_regs_resource != NULL) {
|
|
bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
|
|
sc->mfi_regs_rid, sc->mfi_regs_resource);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
mfi_pci_suspend(device_t dev)
|
|
{
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
static int
|
|
mfi_pci_resume(device_t dev)
|
|
{
|
|
|
|
return (EINVAL);
|
|
}
|