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iommu/arm-smmu-v3: Implement the map_pages() IOMMU driver callback 

Implement the map_pages() callback for ARM SMMUV3 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 SMMUV3 driver as it will no
longer be used.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/1627697831-158822-3-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Xiang Chen 2021-07-31 10:17:11 +08:00 committed by Joerg Roedel
parent 59103c79f4
commit 9eec3f9b9e
1 changed files with 5 additions and 4 deletions
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9
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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@ -2439,15 +2439,16 @@ out_unlock:
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;
if (!ops)
return -ENODEV;
return ops->map(ops, iova, paddr, size, prot, gfp);
return ops->map_pages(ops, iova, paddr, pgsize, pgcount, prot, gfp, mapped);
}
static size_t arm_smmu_unmap_pages(struct iommu_domain *domain, unsigned long iova,
@ -2823,7 +2824,7 @@ 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,