266 lines
7.2 KiB
C
266 lines
7.2 KiB
C
/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2001 Scott Long
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* Copyright (c) 2000 BSDi
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* Copyright (c) 2001-2010 Adaptec, Inc.
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* Copyright (c) 2010-2012 PMC-Sierra, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* PCI bus interface and resource allocation.
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*/
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#include "opt_aacraid.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bio.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/disk.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/aacraid/aacraid_reg.h>
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#include <sys/aac_ioctl.h>
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#include <dev/aacraid/aacraid_debug.h>
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#include <dev/aacraid/aacraid_var.h>
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static int aacraid_pci_probe(device_t dev);
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static int aacraid_pci_attach(device_t dev);
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static device_method_t aacraid_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, aacraid_pci_probe),
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DEVMETHOD(device_attach, aacraid_pci_attach),
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DEVMETHOD(device_detach, aacraid_detach),
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DEVMETHOD(device_suspend, aacraid_suspend),
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DEVMETHOD(device_resume, aacraid_resume),
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_driver_added, bus_generic_driver_added),
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{ 0, 0 }
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};
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static driver_t aacraid_pci_driver = {
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"aacraid",
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aacraid_methods,
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sizeof(struct aac_softc)
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};
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static devclass_t aacraid_devclass;
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DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0);
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MODULE_DEPEND(aacraid, pci, 1, 1, 1);
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struct aac_ident
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{
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u_int16_t vendor;
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u_int16_t device;
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u_int16_t subvendor;
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u_int16_t subdevice;
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int hwif;
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int quirks;
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char *desc;
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} aacraid_family_identifiers[] = {
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{0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0,
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"Adaptec RAID Controller"},
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{0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0,
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"Adaptec RAID Controller"},
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{0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0,
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"Adaptec RAID Controller"},
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{0x9005, 0x028f, 0, 0, AAC_HWIF_SRCV, 0,
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"Adaptec RAID Controller"},
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{0, 0, 0, 0, 0, 0, 0}
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};
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static struct aac_ident *
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aac_find_ident(device_t dev)
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{
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struct aac_ident *m;
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u_int16_t vendid, devid, sub_vendid, sub_devid;
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vendid = pci_get_vendor(dev);
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devid = pci_get_device(dev);
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sub_vendid = pci_get_subvendor(dev);
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sub_devid = pci_get_subdevice(dev);
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for (m = aacraid_family_identifiers; m->vendor != 0; m++) {
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if ((m->vendor == vendid) && (m->device == devid))
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return (m);
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}
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return (NULL);
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}
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/*
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* Determine whether this is one of our supported adapters.
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*/
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static int
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aacraid_pci_probe(device_t dev)
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{
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struct aac_ident *id;
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fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
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if ((id = aac_find_ident(dev)) != NULL) {
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device_set_desc(dev, id->desc);
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return(BUS_PROBE_DEFAULT);
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}
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return(ENXIO);
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}
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/*
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* Allocate resources for our device, set up the bus interface.
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*/
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static int
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aacraid_pci_attach(device_t dev)
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{
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struct aac_softc *sc;
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struct aac_ident *id;
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int error;
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u_int32_t command;
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fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
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/*
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* Initialise softc.
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*/
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sc = device_get_softc(dev);
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bzero(sc, sizeof(*sc));
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sc->aac_dev = dev;
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/* assume failure is 'not configured' */
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error = ENXIO;
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/*
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* Verify that the adapter is correctly set up in PCI space.
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*/
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command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
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command |= PCIM_CMD_BUSMASTEREN;
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pci_write_config(dev, PCIR_COMMAND, command, 2);
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command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
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if (!(command & PCIM_CMD_BUSMASTEREN)) {
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device_printf(sc->aac_dev, "can't enable bus-master feature\n");
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goto out;
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}
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if ((command & PCIM_CMD_MEMEN) == 0) {
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device_printf(sc->aac_dev, "memory window not available\n");
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goto out;
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}
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/*
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* Detect the hardware interface version, set up the bus interface
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* indirection.
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*/
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id = aac_find_ident(dev);
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sc->aac_hwif = id->hwif;
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switch(sc->aac_hwif) {
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case AAC_HWIF_SRC:
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fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC");
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sc->aac_if = aacraid_src_interface;
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break;
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case AAC_HWIF_SRCV:
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fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv");
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sc->aac_if = aacraid_srcv_interface;
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break;
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default:
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sc->aac_hwif = AAC_HWIF_UNKNOWN;
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device_printf(sc->aac_dev, "unknown hardware type\n");
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error = ENXIO;
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goto out;
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}
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/* assume failure is 'out of memory' */
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error = ENOMEM;
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/*
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* Allocate the PCI register window.
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*/
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sc->aac_regs_rid0 = PCIR_BAR(0);
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if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev,
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SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) {
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device_printf(sc->aac_dev,
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"couldn't allocate register window 0\n");
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goto out;
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}
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sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0);
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sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0);
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sc->aac_regs_rid1 = PCIR_BAR(2);
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if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev,
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SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) {
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device_printf(sc->aac_dev,
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"couldn't allocate register window 1\n");
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goto out;
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}
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sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1);
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sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1);
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/*
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* Allocate the parent bus DMA tag appropriate for our PCI interface.
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*
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* Note that some of these controllers are 64-bit capable.
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*/
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if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */
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PAGE_SIZE, 0, /* algnmnt, boundary */
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BUS_SPACE_MAXADDR, /* lowaddr */
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BUS_SPACE_MAXADDR, /* highaddr */
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NULL, NULL, /* filter, filterarg */
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BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
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BUS_SPACE_UNRESTRICTED, /* nsegments */
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BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
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0, /* flags */
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NULL, NULL, /* No locking needed */
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&sc->aac_parent_dmat)) {
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device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
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goto out;
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}
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/* Set up quirks */
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sc->flags = id->quirks;
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/*
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* Do bus-independent initialisation.
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*/
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error = aacraid_attach(sc);
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out:
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if (error)
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aacraid_free(sc);
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return(error);
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}
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