c3f3f3e648
Reviewed by: imp, chuck Submitted by: Lakhan Shiva Kamireddy <lakhanshiva@gmail.com> Sponsored by: Google, Inc. (GSoC 2018)
261 lines
7.0 KiB
C
261 lines
7.0 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2000 Michael Smith
|
|
* Copyright (c) 2001 Scott Long
|
|
* Copyright (c) 2000 BSDi
|
|
* Copyright (c) 2001-2010 Adaptec, Inc.
|
|
* Copyright (c) 2010-2012 PMC-Sierra, Inc.
|
|
* 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 bus interface and resource allocation.
|
|
*/
|
|
|
|
#include "opt_aacraid.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <sys/bio.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/disk.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/aacraid/aacraid_reg.h>
|
|
#include <sys/aac_ioctl.h>
|
|
#include <dev/aacraid/aacraid_debug.h>
|
|
#include <dev/aacraid/aacraid_var.h>
|
|
|
|
static int aacraid_pci_probe(device_t dev);
|
|
static int aacraid_pci_attach(device_t dev);
|
|
|
|
static device_method_t aacraid_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, aacraid_pci_probe),
|
|
DEVMETHOD(device_attach, aacraid_pci_attach),
|
|
DEVMETHOD(device_detach, aacraid_detach),
|
|
DEVMETHOD(device_suspend, aacraid_suspend),
|
|
DEVMETHOD(device_resume, aacraid_resume),
|
|
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t aacraid_pci_driver = {
|
|
"aacraid",
|
|
aacraid_methods,
|
|
sizeof(struct aac_softc)
|
|
};
|
|
|
|
static devclass_t aacraid_devclass;
|
|
|
|
struct aac_ident
|
|
{
|
|
u_int16_t vendor;
|
|
u_int16_t device;
|
|
u_int16_t subvendor;
|
|
u_int16_t subdevice;
|
|
int hwif;
|
|
int quirks;
|
|
char *desc;
|
|
} aacraid_family_identifiers[] = {
|
|
{0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0,
|
|
"Adaptec RAID Controller"},
|
|
{0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0,
|
|
"Adaptec RAID Controller"},
|
|
{0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0,
|
|
"Adaptec RAID Controller"},
|
|
{0, 0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0);
|
|
MODULE_PNP_INFO("U16:vendor;U16:device", pci, aacraid,
|
|
aacraid_family_identifiers, sizeof(aacraid_family_identifiers[0]),
|
|
nitems(aacraid_family_identifiers) - 1);
|
|
MODULE_DEPEND(aacraid, pci, 1, 1, 1);
|
|
|
|
static struct aac_ident *
|
|
aac_find_ident(device_t dev)
|
|
{
|
|
struct aac_ident *m;
|
|
u_int16_t vendid, devid;
|
|
|
|
vendid = pci_get_vendor(dev);
|
|
devid = pci_get_device(dev);
|
|
|
|
for (m = aacraid_family_identifiers; m->vendor != 0; m++) {
|
|
if ((m->vendor == vendid) && (m->device == devid))
|
|
return (m);
|
|
}
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Determine whether this is one of our supported adapters.
|
|
*/
|
|
static int
|
|
aacraid_pci_probe(device_t dev)
|
|
{
|
|
struct aac_ident *id;
|
|
|
|
fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
|
|
|
|
if ((id = aac_find_ident(dev)) != NULL) {
|
|
device_set_desc(dev, id->desc);
|
|
return(BUS_PROBE_DEFAULT);
|
|
}
|
|
return(ENXIO);
|
|
}
|
|
|
|
/*
|
|
* Allocate resources for our device, set up the bus interface.
|
|
*/
|
|
static int
|
|
aacraid_pci_attach(device_t dev)
|
|
{
|
|
struct aac_softc *sc;
|
|
struct aac_ident *id;
|
|
int error;
|
|
u_int32_t command;
|
|
|
|
fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
|
|
|
|
/*
|
|
* Initialise softc.
|
|
*/
|
|
sc = device_get_softc(dev);
|
|
bzero(sc, sizeof(*sc));
|
|
sc->aac_dev = dev;
|
|
|
|
/* assume failure is 'not configured' */
|
|
error = ENXIO;
|
|
|
|
/*
|
|
* Verify that the adapter is correctly set up in PCI space.
|
|
*/
|
|
pci_enable_busmaster(dev);
|
|
command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
|
|
if (!(command & PCIM_CMD_BUSMASTEREN)) {
|
|
device_printf(sc->aac_dev, "can't enable bus-master feature\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Detect the hardware interface version, set up the bus interface
|
|
* indirection.
|
|
*/
|
|
id = aac_find_ident(dev);
|
|
sc->aac_hwif = id->hwif;
|
|
switch(sc->aac_hwif) {
|
|
case AAC_HWIF_SRC:
|
|
fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC");
|
|
sc->aac_if = aacraid_src_interface;
|
|
break;
|
|
case AAC_HWIF_SRCV:
|
|
fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv");
|
|
sc->aac_if = aacraid_srcv_interface;
|
|
break;
|
|
default:
|
|
sc->aac_hwif = AAC_HWIF_UNKNOWN;
|
|
device_printf(sc->aac_dev, "unknown hardware type\n");
|
|
error = ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
/* assume failure is 'out of memory' */
|
|
error = ENOMEM;
|
|
|
|
/*
|
|
* Allocate the PCI register window.
|
|
*/
|
|
sc->aac_regs_rid0 = PCIR_BAR(0);
|
|
if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev,
|
|
SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) {
|
|
device_printf(sc->aac_dev,
|
|
"couldn't allocate register window 0\n");
|
|
goto out;
|
|
}
|
|
sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0);
|
|
sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0);
|
|
|
|
sc->aac_regs_rid1 = PCIR_BAR(2);
|
|
if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev,
|
|
SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) {
|
|
device_printf(sc->aac_dev,
|
|
"couldn't allocate register window 1\n");
|
|
goto out;
|
|
}
|
|
sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1);
|
|
sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1);
|
|
|
|
/*
|
|
* Allocate the parent bus DMA tag appropriate for our PCI interface.
|
|
*
|
|
* Note that some of these controllers are 64-bit capable.
|
|
*/
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
|
|
PAGE_SIZE, 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, /* No locking needed */
|
|
&sc->aac_parent_dmat)) {
|
|
device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
|
|
goto out;
|
|
}
|
|
|
|
/* Set up quirks */
|
|
sc->flags = id->quirks;
|
|
|
|
/*
|
|
* Do bus-independent initialisation.
|
|
*/
|
|
error = aacraid_attach(sc);
|
|
|
|
out:
|
|
if (error)
|
|
aacraid_free(sc);
|
|
return(error);
|
|
}
|