Add the MP Table APIC enumerator. This code uses the BIOS MP Table to
enumerate I/O APICs as well as local APICs. It also provides Host-PCI and PCI-PCI bridge drivers to use the MP Table to route PCI interrupts.
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jhb
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157
sys/amd64/amd64/mptable_pci.c
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157
sys/amd64/amd64/mptable_pci.c
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/*-
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* Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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/*
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* Host to PCI and PCI to PCI bridge drivers that use the MP Table to route
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* interrupts from PCI devices to I/O APICs.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.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/pci/pcib_private.h>
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#include <machine/legacyvar.h>
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#include <machine/mptable.h>
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#include <machine/pci_cfgreg.h>
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#include "pcib_if.h"
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/* Host to PCI bridge driver. */
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static int
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mptable_hostb_probe(device_t dev)
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{
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if (pci_cfgregopen() == 0)
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return (ENXIO);
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if (mptable_pci_probe_table(pcib_get_bus(dev)) != 0)
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return (ENXIO);
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device_set_desc(dev, "MPTable Host-PCI bridge");
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return (0);
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}
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static device_method_t mptable_hostb_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mptable_hostb_probe),
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DEVMETHOD(device_attach, legacy_pcib_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, legacy_pcib_read_ivar),
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DEVMETHOD(bus_write_ivar, legacy_pcib_write_ivar),
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DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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/* pcib interface */
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DEVMETHOD(pcib_maxslots, legacy_pcib_maxslots),
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DEVMETHOD(pcib_read_config, legacy_pcib_read_config),
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DEVMETHOD(pcib_write_config, legacy_pcib_write_config),
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DEVMETHOD(pcib_route_interrupt, mptable_pci_route_interrupt),
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{ 0, 0 }
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};
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static driver_t mptable_hostb_driver = {
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"pcib",
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mptable_hostb_methods,
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1,
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};
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DRIVER_MODULE(mptable_pcib, legacy, mptable_hostb_driver, pcib_devclass, 0, 0);
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/* PCI to PCI bridge driver. */
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static int
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mptable_pcib_probe(device_t dev)
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{
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int bus;
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if ((pci_get_class(dev) != PCIC_BRIDGE) ||
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(pci_get_subclass(dev) != PCIS_BRIDGE_PCI))
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return (ENXIO);
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bus = pci_read_config(dev, PCIR_SECBUS_1, 1);
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if (bus == 0)
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return (ENXIO);
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if (mptable_pci_probe_table(bus) != 0)
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return (ENXIO);
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device_set_desc(dev, "MPTable PCI-PCI bridge");
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return (-1000);
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}
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static device_method_t mptable_pcib_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mptable_pcib_probe),
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DEVMETHOD(device_attach, pcib_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, pcib_read_ivar),
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DEVMETHOD(bus_write_ivar, pcib_write_ivar),
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DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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/* pcib interface */
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DEVMETHOD(pcib_maxslots, pcib_maxslots),
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DEVMETHOD(pcib_read_config, pcib_read_config),
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DEVMETHOD(pcib_write_config, pcib_write_config),
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DEVMETHOD(pcib_route_interrupt, mptable_pci_route_interrupt),
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{0, 0}
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};
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static driver_t mptable_pcib_driver = {
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"pcib",
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mptable_pcib_pci_methods,
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sizeof(struct pcib_softc),
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};
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DRIVER_MODULE(mptable_pcib, pci, mptable_pcib_driver, pcib_devclass, 0, 0);
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
157
sys/i386/i386/mptable_pci.c
Normal file
157
sys/i386/i386/mptable_pci.c
Normal file
@ -0,0 +1,157 @@
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/*-
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* Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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/*
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* Host to PCI and PCI to PCI bridge drivers that use the MP Table to route
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* interrupts from PCI devices to I/O APICs.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.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/pci/pcib_private.h>
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#include <machine/legacyvar.h>
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#include <machine/mptable.h>
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#include <machine/pci_cfgreg.h>
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#include "pcib_if.h"
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/* Host to PCI bridge driver. */
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static int
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mptable_hostb_probe(device_t dev)
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{
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if (pci_cfgregopen() == 0)
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return (ENXIO);
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if (mptable_pci_probe_table(pcib_get_bus(dev)) != 0)
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return (ENXIO);
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device_set_desc(dev, "MPTable Host-PCI bridge");
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return (0);
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}
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static device_method_t mptable_hostb_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mptable_hostb_probe),
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DEVMETHOD(device_attach, legacy_pcib_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, legacy_pcib_read_ivar),
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DEVMETHOD(bus_write_ivar, legacy_pcib_write_ivar),
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DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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/* pcib interface */
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DEVMETHOD(pcib_maxslots, legacy_pcib_maxslots),
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DEVMETHOD(pcib_read_config, legacy_pcib_read_config),
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DEVMETHOD(pcib_write_config, legacy_pcib_write_config),
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DEVMETHOD(pcib_route_interrupt, mptable_pci_route_interrupt),
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{ 0, 0 }
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};
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static driver_t mptable_hostb_driver = {
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"pcib",
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mptable_hostb_methods,
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1,
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};
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DRIVER_MODULE(mptable_pcib, legacy, mptable_hostb_driver, pcib_devclass, 0, 0);
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/* PCI to PCI bridge driver. */
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static int
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mptable_pcib_probe(device_t dev)
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{
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int bus;
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if ((pci_get_class(dev) != PCIC_BRIDGE) ||
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(pci_get_subclass(dev) != PCIS_BRIDGE_PCI))
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return (ENXIO);
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bus = pci_read_config(dev, PCIR_SECBUS_1, 1);
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if (bus == 0)
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return (ENXIO);
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if (mptable_pci_probe_table(bus) != 0)
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return (ENXIO);
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device_set_desc(dev, "MPTable PCI-PCI bridge");
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return (-1000);
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}
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static device_method_t mptable_pcib_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, mptable_pcib_probe),
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DEVMETHOD(device_attach, pcib_attach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, pcib_read_ivar),
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DEVMETHOD(bus_write_ivar, pcib_write_ivar),
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DEVMETHOD(bus_alloc_resource, pcib_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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/* pcib interface */
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DEVMETHOD(pcib_maxslots, pcib_maxslots),
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DEVMETHOD(pcib_read_config, pcib_read_config),
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DEVMETHOD(pcib_write_config, pcib_write_config),
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DEVMETHOD(pcib_route_interrupt, mptable_pci_route_interrupt),
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{0, 0}
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};
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static driver_t mptable_pcib_driver = {
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"pcib",
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mptable_pcib_pci_methods,
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sizeof(struct pcib_softc),
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};
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DRIVER_MODULE(mptable_pcib, pci, mptable_pcib_driver, pcib_devclass, 0, 0);
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File diff suppressed because it is too large
Load Diff
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