mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
648fd2bd0b
mlx devices. This fixes an issue where mlx device drives fail to be detected at system boot. This is a RELENG_6 candidate. Submitted by: oliver PR: kern/84163
226 lines
6.5 KiB
C
226 lines
6.5 KiB
C
/*-
|
|
* Copyright (c) 1999 Michael Smith
|
|
* 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("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <geom/geom_disk.h>
|
|
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
|
|
#include <dev/mlx/mlx_compat.h>
|
|
#include <dev/mlx/mlxio.h>
|
|
#include <dev/mlx/mlxvar.h>
|
|
#include <dev/mlx/mlxreg.h>
|
|
|
|
static int mlx_pci_probe(device_t dev);
|
|
static int mlx_pci_attach(device_t dev);
|
|
|
|
static device_method_t mlx_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, mlx_pci_probe),
|
|
DEVMETHOD(device_attach, mlx_pci_attach),
|
|
DEVMETHOD(device_detach, mlx_detach),
|
|
DEVMETHOD(device_shutdown, mlx_shutdown),
|
|
DEVMETHOD(device_suspend, mlx_suspend),
|
|
DEVMETHOD(device_resume, mlx_resume),
|
|
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t mlx_pci_driver = {
|
|
"mlx",
|
|
mlx_methods,
|
|
sizeof(struct mlx_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(mlx, pci, mlx_pci_driver, mlx_devclass, 0, 0);
|
|
|
|
struct mlx_ident
|
|
{
|
|
u_int16_t vendor;
|
|
u_int16_t device;
|
|
u_int16_t subvendor;
|
|
u_int16_t subdevice;
|
|
int iftype;
|
|
char *desc;
|
|
} mlx_identifiers[] = {
|
|
{0x1069, 0x0001, 0x0000, 0x0000, MLX_IFTYPE_2, "Mylex version 2 RAID interface"},
|
|
{0x1069, 0x0002, 0x0000, 0x0000, MLX_IFTYPE_3, "Mylex version 3 RAID interface"},
|
|
{0x1069, 0x0010, 0x0000, 0x0000, MLX_IFTYPE_4, "Mylex version 4 RAID interface"},
|
|
{0x1011, 0x1065, 0x1069, 0x0020, MLX_IFTYPE_5, "Mylex version 5 RAID interface"},
|
|
{0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
static int
|
|
mlx_pci_probe(device_t dev)
|
|
{
|
|
struct mlx_ident *m;
|
|
|
|
debug_called(1);
|
|
|
|
for (m = mlx_identifiers; m->vendor != 0; m++) {
|
|
if ((m->vendor == pci_get_vendor(dev)) &&
|
|
(m->device == pci_get_device(dev)) &&
|
|
((m->subvendor == 0) || ((m->subvendor == pci_get_subvendor(dev)) &&
|
|
(m->subdevice == pci_get_subdevice(dev))))) {
|
|
|
|
device_set_desc(dev, m->desc);
|
|
return(BUS_PROBE_DEFAULT);
|
|
}
|
|
}
|
|
return(ENXIO);
|
|
}
|
|
|
|
static int
|
|
mlx_pci_attach(device_t dev)
|
|
{
|
|
struct mlx_softc *sc;
|
|
int i, error;
|
|
u_int32_t command;
|
|
|
|
debug_called(1);
|
|
|
|
/*
|
|
* Make sure we are going to be able to talk to this board.
|
|
*/
|
|
command = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
if ((command & PCIM_CMD_MEMEN) == 0) {
|
|
device_printf(dev, "memory window not available\n");
|
|
return(ENXIO);
|
|
}
|
|
/* force the busmaster enable bit on */
|
|
command |= PCIM_CMD_BUSMASTEREN;
|
|
pci_write_config(dev, PCIR_COMMAND, command, 2);
|
|
|
|
/*
|
|
* Initialise softc.
|
|
*/
|
|
sc = device_get_softc(dev);
|
|
bzero(sc, sizeof(*sc));
|
|
sc->mlx_dev = dev;
|
|
|
|
/*
|
|
* Work out what sort of adapter this is (we need to know this in order
|
|
* to map the appropriate interface resources).
|
|
*/
|
|
sc->mlx_iftype = 0;
|
|
for (i = 0; mlx_identifiers[i].vendor != 0; i++) {
|
|
if ((mlx_identifiers[i].vendor == pci_get_vendor(dev)) &&
|
|
(mlx_identifiers[i].device == pci_get_device(dev))) {
|
|
sc->mlx_iftype = mlx_identifiers[i].iftype;
|
|
break;
|
|
}
|
|
}
|
|
if (sc->mlx_iftype == 0) /* shouldn't happen */
|
|
return(ENXIO);
|
|
|
|
/*
|
|
* Allocate the PCI register window.
|
|
*/
|
|
|
|
/* type 2/3 adapters have an I/O region we don't prefer at base 0 */
|
|
switch(sc->mlx_iftype) {
|
|
case MLX_IFTYPE_2:
|
|
case MLX_IFTYPE_3:
|
|
sc->mlx_mem_type = SYS_RES_MEMORY;
|
|
sc->mlx_mem_rid = MLX_CFG_BASE1;
|
|
sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
|
|
&sc->mlx_mem_rid, RF_ACTIVE);
|
|
if (sc->mlx_mem == NULL) {
|
|
sc->mlx_mem_type = SYS_RES_IOPORT;
|
|
sc->mlx_mem_rid = MLX_CFG_BASE0;
|
|
sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
|
|
&sc->mlx_mem_rid, RF_ACTIVE);
|
|
}
|
|
break;
|
|
case MLX_IFTYPE_4:
|
|
case MLX_IFTYPE_5:
|
|
sc->mlx_mem_type = SYS_RES_MEMORY;
|
|
sc->mlx_mem_rid = MLX_CFG_BASE0;
|
|
sc->mlx_mem = bus_alloc_resource_any(dev, sc->mlx_mem_type,
|
|
&sc->mlx_mem_rid, RF_ACTIVE);
|
|
break;
|
|
}
|
|
if (sc->mlx_mem == NULL) {
|
|
device_printf(sc->mlx_dev, "couldn't allocate mailbox window\n");
|
|
mlx_free(sc);
|
|
return(ENXIO);
|
|
}
|
|
sc->mlx_btag = rman_get_bustag(sc->mlx_mem);
|
|
sc->mlx_bhandle = rman_get_bushandle(sc->mlx_mem);
|
|
|
|
/*
|
|
* Allocate the parent bus DMA tag appropriate for PCI.
|
|
*/
|
|
error = bus_dma_tag_create(NULL, /* parent */
|
|
1, 0, /* alignment, boundary */
|
|
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
|
|
BUS_SPACE_MAXADDR, /* highaddr */
|
|
NULL, NULL, /* filter, filterarg */
|
|
MAXBSIZE, MLX_NSEG, /* maxsize, nsegments */
|
|
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
|
|
BUS_DMA_ALLOCNOW, /* flags */
|
|
NULL, /* lockfunc */
|
|
NULL, /* lockarg */
|
|
&sc->mlx_parent_dmat);
|
|
if (error != 0) {
|
|
device_printf(dev, "can't allocate parent DMA tag\n");
|
|
mlx_free(sc);
|
|
return(ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Do bus-independant initialisation.
|
|
*/
|
|
error = mlx_attach(sc);
|
|
if (error != 0) {
|
|
mlx_free(sc);
|
|
return(error);
|
|
}
|
|
|
|
/*
|
|
* Start the controller.
|
|
*/
|
|
mlx_startup(sc);
|
|
return(0);
|
|
}
|