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authorJason Gunthorpe <jgg@nvidia.com>2024-06-25 09:37:32 -0300
committerWill Deacon <will@kernel.org>2024-07-02 15:39:46 +0100
commit678d79b98028ce2365b30e35479bea0e555c23d3 (patch)
tree59deb7169a8b9dfa1fa124555719ce187b715f24 /drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
parent16c0bad7ae04e4a1e7361fbb91573248de06a008 (diff)
downloadlwn-678d79b98028ce2365b30e35479bea0e555c23d3.tar.gz
lwn-678d79b98028ce2365b30e35479bea0e555c23d3.zip
iommu/arm-smmu-v3: Convert to domain_alloc_sva()
This allows the driver the receive the mm and always a device during allocation. Later patches need this to properly setup the notifier when the domain is first allocated. Remove ops->domain_alloc() as SVA was the only remaining purpose. Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Reviewed-by: Michael Shavit <mshavit@google.com> Reviewed-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/1-v9-5cd718286059+79186-smmuv3_newapi_p2b_jgg@nvidia.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c')
-rw-r--r--drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index f456bcf1890b..05939f483098 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -2237,14 +2237,6 @@ static bool arm_smmu_capable(struct device *dev, enum iommu_cap cap)
}
}
-static struct iommu_domain *arm_smmu_domain_alloc(unsigned type)
-{
-
- if (type == IOMMU_DOMAIN_SVA)
- return arm_smmu_sva_domain_alloc();
- return ERR_PTR(-EOPNOTSUPP);
-}
-
static struct iommu_domain *arm_smmu_domain_alloc_paging(struct device *dev)
{
struct arm_smmu_domain *smmu_domain;
@@ -3097,8 +3089,8 @@ static struct iommu_ops arm_smmu_ops = {
.identity_domain = &arm_smmu_identity_domain,
.blocked_domain = &arm_smmu_blocked_domain,
.capable = arm_smmu_capable,
- .domain_alloc = arm_smmu_domain_alloc,
.domain_alloc_paging = arm_smmu_domain_alloc_paging,
+ .domain_alloc_sva = arm_smmu_sva_domain_alloc,
.probe_device = arm_smmu_probe_device,
.release_device = arm_smmu_release_device,
.device_group = arm_smmu_device_group,