Hi, On Thu, Jun 08, 2017 at 10:14:19AM +0530, Ganapatrao Kulkarni wrote: > Add code to parse proximity domain in SMMUv3 IORT table to > set numa node mapping for smmuv3 devices. > > Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx> > --- > drivers/acpi/arm64/iort.c | 28 ++++++++++++++++++++++++++-- > 1 file changed, 26 insertions(+), 2 deletions(-) I am happy to take this but I want to know what we shall do with patch 1 and related ACPICA changes first. Thanks, Lorenzo > diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c > index bba2b59..e804386 100644 > --- a/drivers/acpi/arm64/iort.c > +++ b/drivers/acpi/arm64/iort.c > @@ -882,6 +882,23 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node) > return smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE; > } > > +/* > + * set numa proximity domain for smmuv3 device > + */ > +static void __init arm_smmu_v3_set_proximity(struct acpi_iort_node *node, > + struct device *dev) > +{ > + struct acpi_iort_smmu_v3 *smmu; > + > + smmu = (struct acpi_iort_smmu_v3 *)node->node_data; > + if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) { > + set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm)); > + pr_info("SMMUV3[%llx] Mapped to Proximity domain %d\n", > + smmu->base_address, > + smmu->pxm); > + } > +} > + > static int __init arm_smmu_count_resources(struct acpi_iort_node *node) > { > struct acpi_iort_smmu *smmu; > @@ -951,20 +968,24 @@ struct iort_iommu_config { > int (*iommu_count_resources)(struct acpi_iort_node *node); > void (*iommu_init_resources)(struct resource *res, > struct acpi_iort_node *node); > + void (*iommu_set_proximity)(struct acpi_iort_node *node, > + struct device *dev); > }; > > static const struct iort_iommu_config iort_arm_smmu_v3_cfg __initconst = { > .name = "arm-smmu-v3", > .iommu_is_coherent = arm_smmu_v3_is_coherent, > .iommu_count_resources = arm_smmu_v3_count_resources, > - .iommu_init_resources = arm_smmu_v3_init_resources > + .iommu_init_resources = arm_smmu_v3_init_resources, > + .iommu_set_proximity = arm_smmu_v3_set_proximity > }; > > static const struct iort_iommu_config iort_arm_smmu_cfg __initconst = { > .name = "arm-smmu", > .iommu_is_coherent = arm_smmu_is_coherent, > .iommu_count_resources = arm_smmu_count_resources, > - .iommu_init_resources = arm_smmu_init_resources > + .iommu_init_resources = arm_smmu_init_resources, > + .iommu_set_proximity = NULL > }; > > static __init > @@ -1002,6 +1023,9 @@ static int __init iort_add_smmu_platform_device(struct acpi_iort_node *node) > if (!pdev) > return -ENOMEM; > > + if (ops->iommu_set_proximity) > + ops->iommu_set_proximity(node, &pdev->dev); > + > count = ops->iommu_count_resources(node); > > r = kcalloc(count, sizeof(*r), GFP_KERNEL); > -- > 1.8.1.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html