232 lines
6.5 KiB
C
232 lines
6.5 KiB
C
/* $NetBSD: acpi_madt.c,v 1.19 2008/01/07 06:04:07 tnn Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2003 Wasabi Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Frank van der Linden for Wasabi Systems, Inc.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed for the NetBSD Project by
|
|
* Wasabi Systems, Inc.
|
|
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
|
|
* 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>
|
|
__KERNEL_RCSID(0, "$NetBSD: acpi_madt.c,v 1.19 2008/01/07 06:04:07 tnn Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#include <dev/acpi/acpica.h>
|
|
#include <dev/acpi/acpireg.h>
|
|
#include <dev/acpi/acpivar.h>
|
|
#include <dev/acpi/acpi_madt.h>
|
|
|
|
#ifdef ACPI_MADT_DEBUG
|
|
static void acpi_madt_print(void);
|
|
static ACPI_STATUS acpi_madt_print_entry(ACPI_SUBTABLE_HEADER *, void *);
|
|
static void acpi_print_lapic(ACPI_MADT_LOCAL_APIC *);
|
|
static void acpi_print_ioapic(ACPI_MADT_IO_APIC *);
|
|
static void acpi_print_intsrc_ovr(ACPI_MADT_INTERRUPT_OVERRIDE *);
|
|
static void acpi_print_intsrc_nmi(ACPI_MADT_NMI_SOURCE *);
|
|
static void acpi_print_lapic_nmi(ACPI_MADT_LOCAL_APIC_NMI *);
|
|
static void acpi_print_lapic_ovr(ACPI_MADT_LOCAL_APIC_OVERRIDE *);
|
|
static void acpi_print_iosapic(ACPI_MADT_IO_SAPIC *);
|
|
static void acpi_print_local_sapic(ACPI_MADT_LOCAL_SAPIC *);
|
|
static void acpi_print_platint(ACPI_MADT_INTERRUPT_SOURCE *);
|
|
#endif
|
|
|
|
static ACPI_TABLE_HEADER *madt_header;
|
|
|
|
ACPI_STATUS
|
|
acpi_madt_map(void)
|
|
{
|
|
ACPI_STATUS rv;
|
|
|
|
if (madt_header != NULL)
|
|
return AE_ALREADY_EXISTS;
|
|
|
|
rv = AcpiGetTable(ACPI_SIG_MADT, 1, &madt_header);
|
|
|
|
if (ACPI_FAILURE(rv))
|
|
return rv;
|
|
|
|
#ifdef ACPI_MADT_DEBUG
|
|
acpi_madt_print();
|
|
#endif
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
void
|
|
acpi_madt_unmap(void)
|
|
{
|
|
madt_header = NULL;
|
|
}
|
|
|
|
#ifdef ACPI_MADT_DEBUG
|
|
|
|
static void
|
|
acpi_print_lapic(ACPI_MADT_LOCAL_APIC *p)
|
|
{
|
|
printf("lapic: processor id %u apid %u enabled: %s\n",
|
|
p->ProcessorId, p->Id,
|
|
(p->LapicFlags & ACPI_MADT_ENABLED) ? "yes" : "no");
|
|
}
|
|
|
|
static void
|
|
acpi_print_ioapic(ACPI_MADT_IO_APIC *p)
|
|
{
|
|
printf("ioapic: apid %u address 0x%x vector base 0x%x\n",
|
|
p->Id, p->Address, p->GlobalIrqBase);
|
|
}
|
|
|
|
static void
|
|
acpi_print_intsrc_ovr(ACPI_MADT_INTERRUPT_OVERRIDE *p)
|
|
{
|
|
printf("int override: bus %u src int %u global int %u\n",
|
|
p->Bus, p->SourceIrq, p->GlobalIrq);
|
|
}
|
|
|
|
static void
|
|
acpi_print_intsrc_nmi(ACPI_MADT_NMI_SOURCE *p)
|
|
{
|
|
printf("ioapic NMI: int %u\n", p->GlobalIrq);
|
|
}
|
|
|
|
static void
|
|
acpi_print_lapic_nmi(ACPI_MADT_LOCAL_APIC_NMI *p)
|
|
{
|
|
printf("lapic NMI: cpu id %u input %u\n", p->ProcessorId, p->Lint);
|
|
}
|
|
|
|
static void
|
|
acpi_print_lapic_ovr(ACPI_MADT_LOCAL_APIC_OVERRIDE *p)
|
|
{
|
|
printf("lapic addr override: 0x%llx\n", (unsigned long long)p->Address);
|
|
}
|
|
|
|
static void
|
|
acpi_print_iosapic(ACPI_MADT_IO_SAPIC *p)
|
|
{
|
|
printf("iosapic: sapid %u address 0x%llx int vector base 0x%x\n",
|
|
p->Id, (unsigned long long)p->Address, p->GlobalIrqBase);
|
|
}
|
|
|
|
static void
|
|
acpi_print_local_sapic(ACPI_MADT_LOCAL_SAPIC *p)
|
|
{
|
|
printf("local sapic: cpu id %u sapid %u sapeid %u enabled: %s\n",
|
|
p->ProcessorId, p->Id, p->Eid,
|
|
(p->LapicFlags & ACPI_MADT_ENABLED) ? "yes" : "no");
|
|
}
|
|
|
|
static void
|
|
acpi_print_platint(ACPI_MADT_INTERRUPT_SOURCE *p)
|
|
{
|
|
printf("platform int: type %u cpu id %u cpu eid %u vector %u int %u%s\n",
|
|
p->Type, p->Id, p->Eid, p->IoSapicVector, p->GlobalIrq,
|
|
(p->Flags & ACPI_MADT_CPEI_OVERRIDE) ? " CPEI" : "");
|
|
}
|
|
|
|
#endif
|
|
|
|
void
|
|
acpi_madt_walk(ACPI_STATUS (*func)(ACPI_SUBTABLE_HEADER *, void *), void *aux)
|
|
{
|
|
char *madtend, *where;
|
|
ACPI_SUBTABLE_HEADER *hdrp;
|
|
|
|
madtend = (char *)madt_header + madt_header->Length;
|
|
where = (char *)madt_header + sizeof (ACPI_TABLE_MADT);
|
|
while (where < madtend) {
|
|
hdrp = (ACPI_SUBTABLE_HEADER *)where;
|
|
if (ACPI_FAILURE(func(hdrp, aux)))
|
|
break;
|
|
where += hdrp->Length;
|
|
}
|
|
}
|
|
|
|
#ifdef ACPI_MADT_DEBUG
|
|
static void
|
|
acpi_madt_print(void)
|
|
{
|
|
ACPI_TABLE_MADT *ap;
|
|
|
|
ap = (ACPI_TABLE_MADT *)madt_header;
|
|
printf("\n\nACPI MADT table:\n");
|
|
/* printf("default local APIC address: %x\n", ap->LocalApicAddress); */
|
|
printf("system dual 8259%s present\n",
|
|
(ap->Flags & ACPI_MADT_PCAT_COMPAT) ? "" : " not");
|
|
printf("entries:\n");
|
|
|
|
acpi_madt_walk(acpi_madt_print_entry, NULL);
|
|
}
|
|
|
|
static ACPI_STATUS
|
|
acpi_madt_print_entry(ACPI_SUBTABLE_HEADER *hdrp, void *aux)
|
|
{
|
|
switch (hdrp->Type) {
|
|
case ACPI_MADT_TYPE_LOCAL_APIC:
|
|
acpi_print_lapic((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_IO_APIC:
|
|
acpi_print_ioapic((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
|
|
acpi_print_intsrc_ovr((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_NMI_SOURCE:
|
|
acpi_print_intsrc_nmi((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
|
|
acpi_print_lapic_nmi((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
|
|
acpi_print_lapic_ovr((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_IO_SAPIC:
|
|
acpi_print_iosapic((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_LOCAL_SAPIC:
|
|
acpi_print_local_sapic((void *)hdrp);
|
|
break;
|
|
case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
|
|
acpi_print_platint((void *)hdrp);
|
|
break;
|
|
default:
|
|
printf("Unknown MADT entry type %d\n", hdrp->Type);
|
|
break;
|
|
}
|
|
return AE_OK;
|
|
}
|
|
#endif
|