231 lines
6.3 KiB
C
231 lines
6.3 KiB
C
/* $NetBSD: acpi_madt.c,v 1.18 2007/12/09 20:27:53 jmcneill Exp $ */
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/*
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* Copyright (c) 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Frank van der Linden for Wasabi Systems, Inc.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_madt.c,v 1.18 2007/12/09 20:27:53 jmcneill Exp $");
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/errno.h>
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#include <sys/malloc.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#include <dev/acpi/acpi_madt.h>
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#ifdef ACPI_MADT_DEBUG
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static void acpi_madt_print(void);
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static ACPI_STATUS acpi_madt_print_entry(APIC_HEADER *, void *);
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static void acpi_print_apic_proc(MADT_PROCESSOR_APIC *);
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static void acpi_print_ioapic(MADT_IO_APIC *);
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static void acpi_print_intsrc_ovr(MADT_INTERRUPT_OVERRIDE *);
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static void acpi_print_intsrc_nmi(MADT_NMI_SOURCE *);
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static void acpi_print_lapic_nmi(MADT_LOCAL_APIC_NMI *);
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static void acpi_print_lapic_addr_ovr(MADT_ADDRESS_OVERRIDE *);
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static void acpi_print_iosapic(MADT_IO_SAPIC *);
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static void acpi_print_local_sapic(MADT_LOCAL_SAPIC *);
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static void acpi_print_platint(MADT_INTERRUPT_SOURCE *);
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#endif
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static ACPI_TABLE_HEADER *madt_header;
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ACPI_STATUS
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acpi_madt_map(void)
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{
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ACPI_STATUS rv;
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if (madt_header != NULL)
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return AE_ALREADY_EXISTS;
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rv = AcpiGetTable(ACPI_SIG_MADT, 1, &madt_header);
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if (ACPI_FAILURE(rv))
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return rv;
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#ifdef ACPI_MADT_DEBUG
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acpi_madt_print();
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#endif
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return AE_OK;
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}
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void
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acpi_madt_unmap(void)
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{
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madt_header = NULL;
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}
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#ifdef ACPI_MADT_DEBUG
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static void
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acpi_print_apic_proc(MADT_PROCESSOR_APIC *p)
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{
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printf("processor: id %u apid %u enabled: %s\n",
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p->ProcessorId, p->LocalApicId,
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p->ProcessorEnabled ? "yes" : "no");
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}
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static void
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acpi_print_ioapic(MADT_IO_APIC *p)
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{
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printf("ioapic: apid %u address %x vector base %x\n",
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p->IoApicId, p->Address, p->Interrupt);
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}
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static void
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acpi_print_intsrc_ovr(MADT_INTERRUPT_OVERRIDE *p)
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{
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printf("int override: bus %u irq %u int %u\n",
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p->Bus, p->Source, p->Interrupt);
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}
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static void
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acpi_print_intsrc_nmi(MADT_NMI_SOURCE *p)
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{
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printf("ioapic NMI: int %u\n", p->Interrupt);
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}
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static void
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acpi_print_lapic_nmi(MADT_LOCAL_APIC_NMI *p)
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{
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printf("lapic NMI: apid %u input %u\n", p->ProcessorId, p->Lint);
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}
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static void
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acpi_print_lapic_addr_ovr(MADT_ADDRESS_OVERRIDE *p)
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{
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printf("lapic addr override: %llx\n", (unsigned long long)p->Address);
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}
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static void
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acpi_print_iosapic(MADT_IO_SAPIC *p)
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{
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printf("iosapic: sapid %u address %llx vector base %x\n",
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p->IoSapicId, p->Address, p->InterruptBase);
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}
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static void
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acpi_print_local_sapic(MADT_LOCAL_SAPIC *p)
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{
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printf("local sapic: CPU %u sapid %u sapeid %u enabled: %s\n",
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p->ProcessorId, p->LocalSapicId, p->LocalSapicEid,
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p->ProcessorEnabled ? "yes" : "no");
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}
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static void
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acpi_print_platint(MADT_INTERRUPT_SOURCE *p)
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{
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printf("platform int: type %u apid %u apeid %u\n",
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p->InterruptType, p->ProcessorId, p->ProcessorEid);
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}
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#endif
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void
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acpi_madt_walk(ACPI_STATUS (*func)(ACPI_SUBTABLE_HEADER *, void *), void *aux)
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{
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char *madtend, *where;
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ACPI_SUBTABLE_HEADER *hdrp;
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madtend = (char *)madt_header + madt_header->Length;
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where = (char *)madt_header + sizeof (ACPI_TABLE_MADT);
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while (where < madtend) {
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hdrp = (ACPI_SUBTABLE_HEADER *)where;
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if (ACPI_FAILURE(func(hdrp, aux)))
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break;
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where += hdrp->Length;
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}
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}
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#ifdef ACPI_MADT_DEBUG
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static void
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acpi_madt_print(void)
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{
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MULTIPLE_APIC_TABLE *ap;
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ap = (MULTIPLE_APIC_TABLE *)madt_header;
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printf("\n\nACPI MADT table:\n");
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printf("default local APIC address: %x\n", ap->LocalApicAddress);
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printf("system dual 8259%s present\n",
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ap->PCATCompat ? "" : " not");
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printf("entries:\n");
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acpi_madt_walk(acpi_madt_print_entry, NULL);
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}
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static ACPI_STATUS
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acpi_madt_print_entry(ACPI_SUBTABLE_HEADER *hdrp, void *aux)
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{
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switch (hdrp->Type) {
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case ACPI_MADT_TYPE_LOCAL_APIC:
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acpi_print_apic_proc((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_IO_APIC:
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acpi_print_ioapic((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
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acpi_print_intsrc_ovr((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_NMI_SOURCE:
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acpi_print_intsrc_nmi((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
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acpi_print_lapic_nmi((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
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acpi_print_lapic_addr_ovr((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_IO_SAPIC:
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acpi_print_iosapic((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_LOCAL_SAPIC:
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acpi_print_local_sapic((void *)hdrp);
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break;
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case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
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acpi_print_platint((void *)hdrp);
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break;
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default:
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printf("Unknown MADT entry type %d\n", hdrp->Type);
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break;
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}
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return AE_OK;
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}
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#endif
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