From: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
To: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
iommu@lists.linux-foundation.org
Cc: Will.Deacon@arm.com, lorenzo.pieralisi@arm.com,
hanjun.guo@linaro.org, sudeep.holla@arm.com,
robin.murphy@arm.com, lv.zheng@intel.com, joro@8bytes.org,
rjw@rjwysocki.net, lenb@kernel.org, jnair@caviumnetworks.com,
gpkulkarni@gmail.com
Subject: [PATCH v3 2/2] acpi/iort: numa: Add numa node mapping for smmuv3 devices
Date: Thu, 8 Jun 2017 10:14:19 +0530 [thread overview]
Message-ID: <1496897059-8272-3-git-send-email-ganapatrao.kulkarni@cavium.com> (raw)
In-Reply-To: <1496897059-8272-1-git-send-email-ganapatrao.kulkarni@cavium.com>
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@cavium.com>
---
drivers/acpi/arm64/iort.c | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
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
next prev parent reply other threads:[~2017-06-08 4:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-08 4:44 [PATCH v3 0/2] acpi/iort, numa: Add numa node mapping for smmuv3 devices Ganapatrao Kulkarni
2017-06-08 4:44 ` [PATCH v3 1/2] acpica: iort: Update SMMUv3 header for proximity domain mapping Ganapatrao Kulkarni
2017-06-19 17:54 ` Robin Murphy
2017-06-20 2:27 ` Ganapatrao Kulkarni
2017-06-08 4:44 ` Ganapatrao Kulkarni [this message]
2017-06-15 13:46 ` [PATCH v3 2/2] acpi/iort: numa: Add numa node mapping for smmuv3 devices Lorenzo Pieralisi
2017-06-28 17:47 ` Robert Richter
2017-07-04 10:07 ` Lorenzo Pieralisi
2017-07-06 11:20 ` Robert Richter
2017-07-22 3:23 ` Hanjun Guo
2017-07-22 13:05 ` Ganapatrao Kulkarni
2017-06-08 9:04 ` [PATCH v3 0/2] acpi/iort, " John Garry
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