Messages in this thread Patch in this message |  | | From | Georgi Djakov <> | Subject | [PATCH v7 15/15] iommu/arm-smmu: Implement the map_pages() IOMMU driver callback | Date | Wed, 16 Jun 2021 06:38:56 -0700 |
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From: "Isaac J. Manjarres" <isaacm@codeaurora.org>
Implement the map_pages() callback for the ARM SMMU driver to allow calls from iommu_map to map multiple pages of the same size in one call. Also, remove the map() callback for the ARM SMMU driver, as it will no longer be used.
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> Suggested-by: Will Deacon <will@kernel.org> Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com> --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 593a15cfa8d5..c1ca3b49a620 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -1193,8 +1193,9 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return ret; } -static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot, gfp_t gfp) +static int arm_smmu_map_pages(struct iommu_domain *domain, unsigned long iova, + phys_addr_t paddr, size_t pgsize, size_t pgcount, + int prot, gfp_t gfp, size_t *mapped) { struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops; struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu; @@ -1204,7 +1205,7 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, return -ENODEV; arm_smmu_rpm_get(smmu); - ret = ops->map(ops, iova, paddr, size, prot, gfp); + ret = ops->map_pages(ops, iova, paddr, pgsize, pgcount, prot, gfp, mapped); arm_smmu_rpm_put(smmu); return ret; @@ -1574,7 +1575,7 @@ static struct iommu_ops arm_smmu_ops = { .domain_alloc = arm_smmu_domain_alloc, .domain_free = arm_smmu_domain_free, .attach_dev = arm_smmu_attach_dev, - .map = arm_smmu_map, + .map_pages = arm_smmu_map_pages, .unmap_pages = arm_smmu_unmap_pages, .flush_iotlb_all = arm_smmu_flush_iotlb_all, .iotlb_sync = arm_smmu_iotlb_sync,
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