1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
109 	return (-50);  in madt_probe()
120 	madt_length = madt->Header.Length;  in madt_probe_cpus()
121 	KASSERT(madt != NULL, ("Unable to re-map MADT"));  in madt_probe_cpus()
154 		if ((dmartbl->Flags & ACPI_DMAR_X2APIC_OPT_OUT) != 0)  in madt_x2apic_disable_reason()
174 		 * It seems that some SandyBridge-based notebook  in madt_x2apic_disable_reason()
247 	lapic_init(madt->Address);  in madt_setup_local()
249 	    (int)sizeof(madt->Header.OemId), madt->Header.OemId,  in madt_setup_local()
250 	    (int)sizeof(madt->Header.OemTableId), madt->Header.OemTableId);  in madt_setup_local()
253 	 * We ignore 64-bit local APIC override entries.  Should we  in madt_setup_local()
291 	 * force it to use level trigger and active-low polarity.  in madt_setup_io()
300 	"MADT: Forcing active-low polarity and level trigger for SCI\n");  in madt_setup_io()
330 SYSINIT(madt_register, SI_SUB_TUNABLES - 1, SI_ORDER_FIRST, madt_register, NULL);
339 	acpi_walk_subtables(madt + 1, (char *)madt + madt->Header.Length,  in madt_walk_table()
356 	mp_maxid = mp_ncpus - 1;  in madt_parse_cpu()
383 	KASSERT(la->la_enabled == 0, ("Duplicate local APIC ID %u", apic_id));  in madt_add_cpu()
384 	la->la_enabled = 1;  in madt_add_cpu()
385 	la->la_acpi_id = acpi_id;  in madt_add_cpu()
395 	switch (entry->Type) {  in madt_probe_cpus_handler()
398 		madt_parse_cpu(proc->Id, proc->LapicFlags);  in madt_probe_cpus_handler()
402 		madt_parse_cpu(x2apic->LocalApicId, x2apic->LapicFlags);  in madt_probe_cpus_handler()
413 	switch (entry->Type) {  in madt_setup_cpus_handler()
416 		madt_add_cpu(proc->ProcessorId, proc->Id, proc->LapicFlags);  in madt_setup_cpus_handler()
420 		madt_add_cpu(x2apic->Uid, x2apic->LocalApicId,  in madt_setup_cpus_handler()
421 		    x2apic->LapicFlags);  in madt_setup_cpus_handler()
434 	switch (entry->Type) {  in madt_parse_apics()
440 			    apic->Id, apic->GlobalIrqBase,  in madt_parse_apics()
441 			    (void *)(uintptr_t)apic->Address);  in madt_parse_apics()
442 		if (apic->Id > IOAPIC_MAX_ID)  in madt_parse_apics()
444 			    apic->Id);  in madt_parse_apics()
445 		if (ioapics[apic->Id].io_apic != NULL)  in madt_parse_apics()
446 			panic("%s: Double APIC ID %u", __func__, apic->Id);  in madt_parse_apics()
447 		ioapics[apic->Id].io_apic = ioapic_create(apic->Address,  in madt_parse_apics()
448 		    apic->Id, apic->GlobalIrqBase);  in madt_parse_apics()
449 		ioapics[apic->Id].io_vector = apic->GlobalIrqBase;  in madt_parse_apics()
530 	best = -1;  in madt_find_interrupt()
535 		if (best == -1 ||  in madt_find_interrupt()
539 	if (best == -1)  in madt_find_interrupt()
542 	*pin = intr - ioapics[best].io_vector;  in madt_find_interrupt()
560 		    intr->SourceIrq, intr->GlobalIrq);  in madt_parse_interrupt_values()
561 	KASSERT(intr->Bus == 0, ("bus for interrupt overrides must be zero"));  in madt_parse_interrupt_values()
567 	*trig = interrupt_trigger(intr->IntiFlags, intr->SourceIrq);  in madt_parse_interrupt_values()
568 	*pol = interrupt_polarity(intr->IntiFlags, intr->SourceIrq);  in madt_parse_interrupt_values()
572 	 * active-hi polarity or the force_sci_lo tunable is set,  in madt_parse_interrupt_values()
575 	if (intr->SourceIrq == AcpiGbl_FADT.SciInterrupt) {  in madt_parse_interrupt_values()
615 	if (acpi_quirks & ACPI_Q_MADT_IRQ0 && intr->SourceIrq == 0 &&  in madt_parse_interrupt_override()
616 	    intr->GlobalIrq == 2) {  in madt_parse_interrupt_override()
622 	if (madt_find_interrupt(intr->GlobalIrq, &new_ioapic, &new_pin) != 0) {  in madt_parse_interrupt_override()
624 		    intr->GlobalIrq, intr->SourceIrq);  in madt_parse_interrupt_override()
631 	if (intr->SourceIrq != intr->GlobalIrq) {  in madt_parse_interrupt_override()
633 		 * If the SCI is remapped to a non-ISA global interrupt,  in madt_parse_interrupt_override()
637 		if (intr->GlobalIrq > 15 &&  in madt_parse_interrupt_override()
638 		    intr->SourceIrq == AcpiGbl_FADT.SciInterrupt)  in madt_parse_interrupt_override()
639 			acpi_OverrideInterruptLevel(intr->GlobalIrq);  in madt_parse_interrupt_override()
642 			    intr->SourceIrq);  in madt_parse_interrupt_override()
643 		if (madt_find_interrupt(intr->SourceIrq, &old_ioapic,  in madt_parse_interrupt_override()
646 			    intr->SourceIrq);  in madt_parse_interrupt_override()
648 		    intr->SourceIrq)  in madt_parse_interrupt_override()
658  * Parse an entry for an NMI routed to an IO APIC.
666 	if (madt_find_interrupt(nmi->GlobalIrq, &ioapic, &pin) != 0) {  in madt_parse_nmi()
668 		    nmi->GlobalIrq);  in madt_parse_nmi()
673 	if (!(nmi->IntiFlags & ACPI_MADT_TRIGGER_CONFORMS))  in madt_parse_nmi()
675 		    interrupt_trigger(nmi->IntiFlags, 0));  in madt_parse_nmi()
676 	if (!(nmi->IntiFlags & ACPI_MADT_POLARITY_CONFORMS))  in madt_parse_nmi()
678 		    interrupt_polarity(nmi->IntiFlags, 0));  in madt_parse_nmi()
682  * Parse an entry for an NMI routed to a local APIC LVT pin.
693 			printf("MADT: Ignoring local NMI routed to "  in madt_handle_local_nmi()
714 	madt_handle_local_nmi(nmi->ProcessorId == 0xff ? 0xffffffff :  in madt_parse_local_nmi()
715 	    nmi->ProcessorId, nmi->Lint, nmi->IntiFlags);  in madt_parse_local_nmi()
722 	madt_handle_local_nmi(nmi->Uid, nmi->Lint, nmi->IntiFlags);  in madt_parse_local_x2apic_nmi()
732 	switch (entry->Type) {  in madt_parse_ints()
751  * Setup per-CPU ACPI IDs.
768 		la = &lapics[pc->pc_apic_id];  in madt_set_ids()
769 		if (!la->la_enabled)  in madt_set_ids()
771 			    pc->pc_apic_id);  in madt_set_ids()
772 		pc->pc_acpi_id = la->la_acpi_id;  in madt_set_ids()
775 			    la->la_acpi_id);  in madt_set_ids()