Differential D20416 Diff 58969 head/sys/arm64/acpica/acpi_iort.c

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head/sys/arm64/acpica/acpi_iort.c

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	* Walk SRAT, assign proximity to all ITS entries.			* Walk SRAT, assign proximity to all ITS entries.
	*/			*/
	static void			static void
	srat_resolve_its_pxm(ACPI_SUBTABLE_HEADER entry, void arg)			srat_resolve_its_pxm(ACPI_SUBTABLE_HEADER entry, void arg)
	{			{
	ACPI_SRAT_GIC_ITS_AFFINITY *gicits;			ACPI_SRAT_GIC_ITS_AFFINITY *gicits;
	struct iort_node *its_node;			struct iort_node *its_node;
	struct iort_its_entry *its_entry;			struct iort_its_entry *its_entry;
	int i, matches;			int *map_counts;
				int i, matches, dom;

	if (entry->Type != ACPI_SRAT_TYPE_GIC_ITS_AFFINITY)			if (entry->Type != ACPI_SRAT_TYPE_GIC_ITS_AFFINITY)
	return;			return;

	matches = 0;			matches = 0;
				map_counts = arg;
	gicits = (ACPI_SRAT_GIC_ITS_AFFINITY *)entry;			gicits = (ACPI_SRAT_GIC_ITS_AFFINITY *)entry;
				dom = acpi_map_pxm_to_vm_domainid(gicits->ProximityDomain);

				/*
				* Catch firmware and config errors. map_counts keeps a
				* count of ProximityDomain values mapping to a domain ID
				*/
				#if MAXMEMDOM > 1
				if (dom == -1)
				printf("Firmware Error: Proximity Domain %d could not be"
				" mapped for GIC ITS ID %d!\n",
				gicits->ProximityDomain, gicits->ItsId);
				#endif
				/* use dom + 1 as index to handle the case where dom == -1 */
				i = ++map_counts[dom + 1];
				if (i > 1) {
				#ifdef NUMA
				if (dom != -1)
				printf("ERROR: Multiple Proximity Domains map to the"
				" same NUMA domain %d!\n", dom);
				#else
				printf("WARNING: multiple Proximity Domains in SRAT but NUMA"
				" NOT enabled!\n");
				#endif
				}
	TAILQ_FOREACH(its_node, &its_groups, next) {			TAILQ_FOREACH(its_node, &its_groups, next) {
	its_entry = its_node->entries.its;			its_entry = its_node->entries.its;
	for (i = 0; i < its_node->nentries; i++, its_entry++) {			for (i = 0; i < its_node->nentries; i++, its_entry++) {
	if (its_entry->its_id == gicits->ItsId) {			if (its_entry->its_id == gicits->ItsId) {
	its_entry->pxm = acpi_map_pxm_to_vm_domainid(			its_entry->pxm = dom;
	gicits->ProximityDomain);
	matches++;			matches++;
	}			}
	}			}
	}			}
	if (matches == 0)			if (matches == 0)
	printf("ACPI: IORT: ITS block %u in SRAT not found in IORT!\n",			printf("ACPI: IORT: ITS block %u in SRAT not found in IORT!\n",
	gicits->ItsId);			gicits->ItsId);
	}			}

	/*			/*
	* Cross check the ITS Id with MADT and (if available) SRAT.			* Cross check the ITS Id with MADT and (if available) SRAT.
	*/			*/
	static int			static int
	iort_post_process_its(void)			iort_post_process_its(void)
	{			{
	ACPI_TABLE_MADT *madt;			ACPI_TABLE_MADT *madt;
	ACPI_TABLE_SRAT *srat;			ACPI_TABLE_SRAT *srat;
	vm_paddr_t madt_pa, srat_pa;			vm_paddr_t madt_pa, srat_pa;
				int map_counts[MAXMEMDOM + 1] = { 0 };

	/* Check ITS block in MADT */			/* Check ITS block in MADT */
	madt_pa = acpi_find_table(ACPI_SIG_MADT);			madt_pa = acpi_find_table(ACPI_SIG_MADT);
	KASSERT(madt_pa != 0, ("no MADT!"));			KASSERT(madt_pa != 0, ("no MADT!"));
	madt = acpi_map_table(madt_pa, ACPI_SIG_MADT);			madt = acpi_map_table(madt_pa, ACPI_SIG_MADT);
	KASSERT(madt != NULL, ("can't map MADT!"));			KASSERT(madt != NULL, ("can't map MADT!"));
	acpi_walk_subtables(madt + 1, (char *)madt + madt->Header.Length,			acpi_walk_subtables(madt + 1, (char *)madt + madt->Header.Length,
	madt_resolve_its_xref, NULL);			madt_resolve_its_xref, NULL);
	acpi_unmap_table(madt);			acpi_unmap_table(madt);

	/* Get proximtiy if available */			/* Get proximtiy if available */
	srat_pa = acpi_find_table(ACPI_SIG_SRAT);			srat_pa = acpi_find_table(ACPI_SIG_SRAT);
	if (srat_pa != 0) {			if (srat_pa != 0) {
	srat = acpi_map_table(srat_pa, ACPI_SIG_SRAT);			srat = acpi_map_table(srat_pa, ACPI_SIG_SRAT);
	KASSERT(srat != NULL, ("can't map SRAT!"));			KASSERT(srat != NULL, ("can't map SRAT!"));
	acpi_walk_subtables(srat + 1, (char *)srat + srat->Header.Length,			acpi_walk_subtables(srat + 1, (char *)srat + srat->Header.Length,
	srat_resolve_its_pxm, NULL);			srat_resolve_its_pxm, map_counts);
	acpi_unmap_table(srat);			acpi_unmap_table(srat);
	}			}
	return (0);			return (0);
	}			}

	/*			/*
	* Find, parse, and save IO Remapping Table ("IORT").			* Find, parse, and save IO Remapping Table ("IORT").
	*/			*/
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