NetBSD/sys/dev/acpi/acpi_madt.c
mycroft fec4c11f9e Catch up with ABI changes in ACPI-CA. Some additional changes to acpi_bat to
set the VALID bits correctly, so we don't report garbage for missing batteries.
2003-10-31 20:54:18 +00:00

259 lines
7.0 KiB
C

/* $NetBSD: acpi_madt.c,v 1.8 2003/10/31 20:54:18 mycroft 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 1.8 2003/10/31 20:54:18 mycroft 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_osd.h>
#include <dev/acpi/acpica/Subsystem/actables.h>
#include <dev/acpi/acpica/Subsystem/acnamesp.h>
#include <dev/acpi/acpi_madt.h>
#ifdef ACPI_MADT_DEBUG
static void acpi_madt_print(void);
static ACPI_STATUS acpi_madt_print_entry(APIC_HEADER *, void *);
static void acpi_print_apic_proc(MADT_PROCESSOR_APIC *);
static void acpi_print_ioapic(MADT_IO_APIC *);
static void acpi_print_intsrc_ovr(MADT_INTERRUPT_OVERRIDE *);
static void acpi_print_intsrc_nmi(MADT_NMI_SOURCE *);
static void acpi_print_lapic_nmi(MADT_LOCAL_APIC_NMI *);
static void acpi_print_lapic_addr_ovr(MADT_ADDRESS_OVERRIDE *);
static void acpi_print_iosapic(MADT_IO_SAPIC *);
static void acpi_print_local_sapic(MADT_LOCAL_SAPIC *);
static void acpi_print_platint(MADT_INTERRUPT_SOURCE *);
#endif
ACPI_TABLE_HEADER *AcpiGbl_MADT;
ACPI_STATUS
acpi_madt_map(void)
{
ACPI_TABLE_HEADER header;
XSDT_DESCRIPTOR *xp;
ACPI_POINTER Address;
ACPI_STATUS Status = AE_OK;
int i, len;
if (AcpiGbl_XSDT == NULL)
return AE_NO_ACPI_TABLES;
if (AcpiGbl_MADT != NULL)
return AE_ALREADY_EXISTS;
xp = AcpiGbl_XSDT;
Address.PointerType = AcpiGbl_TableFlags | ACPI_LOGICAL_ADDRESSING;
len = (xp->Length - sizeof (ACPI_TABLE_HEADER))
/ sizeof (xp->TableOffsetEntry[0]);
for (i = 0; i < len; i++) {
Address.Pointer.Value =
ACPI_GET_ADDRESS(AcpiGbl_XSDT->TableOffsetEntry[i]);
Status = AcpiTbGetTableHeader(&Address, &header);
if (ACPI_FAILURE (Status))
return Status;
if (!strncmp(header.Signature, APIC_SIG, 4)) {
Status = AcpiOsMapMemory(Address.Pointer.Value,
(ACPI_SIZE)header.Length, (void *)&AcpiGbl_MADT);
if (ACPI_FAILURE (Status))
return Status;
else
break;
}
}
#ifdef ACPI_MADT_DEBUG
if (AcpiGbl_MADT != NULL)
acpi_madt_print();
#endif
return AcpiGbl_MADT != NULL ? AE_OK : AE_NOT_FOUND;
}
void
acpi_madt_unmap(void)
{
AcpiOsUnmapMemory(AcpiGbl_MADT, AcpiGbl_MADT->Length);
AcpiGbl_MADT = NULL;
}
#ifdef ACPI_MADT_DEBUG
static void
acpi_print_apic_proc(MADT_PROCESSOR_APIC *p)
{
printf("processor: id %u apid %u enabled: %s\n",
p->ProcessorId, p->LocalApicId,
p->ProcessorEnabled ? "yes" : "no");
}
static void
acpi_print_ioapic(MADT_IO_APIC *p)
{
printf("ioapic: apid %u address %x vector base %x\n",
p->IoApicId, p->Address, p->Interrupt);
}
static void
acpi_print_intsrc_ovr(MADT_INTERRUPT_OVERRIDE *p)
{
printf("int override: bus %u irq %u int %u\n",
p->Bus, p->Source, p->Interrupt);
}
static void
acpi_print_intsrc_nmi(MADT_NMI_SOURCE *p)
{
printf("ioapic NMI: int %u\n", p->Interrupt);
}
static void
acpi_print_lapic_nmi(MADT_LOCAL_APIC_NMI *p)
{
printf("lapic NMI: apid %u input %u\n", p->ProcessorId, p->Lint);
}
static void
acpi_print_lapic_addr_ovr(MADT_ADDRESS_OVERRIDE *p)
{
printf("lapic addr override: %llx\n", p->Address);
}
static void
acpi_print_iosapic(MADT_IO_SAPIC *p)
{
printf("iosapic: sapid %u address %llx vector base %x\n",
p->IoSapicId, p->Address, p->InterruptBase);
}
static void
acpi_print_local_sapic(MADT_LOCAL_SAPIC *p)
{
printf("local sapic: cpu %u sapid %u sapeid %u enabled: %s\n",
p->ProcessorId, p->LocalSapicId, p->LocalSapicEid,
p->ProcessorEnabled ? "yes" : "no");
}
static void
acpi_print_platint(INT_PLATFORM *p)
{
printf("platform int: type %u apid %u apeid %u\n",
p->InterruptType, p->ProcessorId, p->ProcessorEid);
}
#endif
void
acpi_madt_walk(ACPI_STATUS (*func)(APIC_HEADER *, void *), void *aux)
{
char *madtend, *where;
APIC_HEADER *hdrp;
madtend = (char *)AcpiGbl_MADT + AcpiGbl_MADT->Length;
where = (char *)AcpiGbl_MADT + sizeof (MULTIPLE_APIC_TABLE);
while (where < madtend) {
hdrp = (APIC_HEADER *)where;
if (func(hdrp, aux) != AE_OK)
break;
where += hdrp->Length;
}
}
#ifdef ACPI_MADT_DEBUG
void
acpi_madt_print(void)
{
APIC_TABLE *ap;
ap = (APIC_TABLE *)AcpiGbl_MADT;
printf("\n\nACPI MADT table:\n");
printf("default local APIC address: %x\n", ap->LocalApicAddress);
printf("system dual 8259%s present\n",
ap->PCATCompat ? "" : " not");
printf("entries:\n");
acpi_madt_walk(acpi_madt_print_entry, NULL);
}
static ACPI_STATUS
acpi_madt_print_entry(APIC_HEADER *hdrp, void *aux)
{
switch (hdrp->Type) {
case APIC_PROC:
acpi_print_apic_proc((void *)hdrp);
break;
case APIC_IO:
acpi_print_ioapic((void *)hdrp);
break;
case APIC_XRUPT_OVERRIDE:
acpi_print_intsrc_ovr((void *)hdrp);
break;
case APIC_NMI:
acpi_print_intsrc_nmi((void *)hdrp);
break;
case APIC_LOCAL_NMI:
acpi_print_lapic_nmi((void *)hdrp);
break;
case APIC_ADDRESS_OVERRIDE:
acpi_print_lapic_addr_ovr((void *)hdrp);
break;
case APIC_IO_SAPIC:
acpi_print_iosapic((void *)hdrp);
break;
case APIC_LOCAL_SAPIC:
acpi_print_local_sapic((void *)hdrp);
break;
case APIC_XRUPT_SOURCE:
acpi_print_platint((void *)hdrp);
break;
default:
printf("Unknown MADT entry type %d\n", hdrp->Type);
break;
}
return AE_OK;
}
#endif