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authorYi Liu <yi.l.liu@intel.com>2024-12-04 04:29:23 -0800
committerJoerg Roedel <jroedel@suse.de>2024-12-18 09:39:35 +0100
commit1fbf73425f5169e2d183b2ca67bfe2f1019d11c0 (patch)
tree9a1adab7c00d6547ecfdfdfc4990d99fbeab56e9
parentfb3de9f9b085d003a8a869ca6a4789d1bfbb3f22 (diff)
iommu: Consolidate the ops->remove_dev_pasid usage into a helper
Add a wrapper for the ops->remove_dev_pasid, this consolidates the iommu_ops fetching and callback invoking. It is also a preparation for starting the transition from using remove_dev_pasid op to detach pasid to the way using blocked_domain to detach pasid. Reviewed-by: Vasant Hegde <vasant.hegde@amd.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Link: https://lore.kernel.org/r/20241204122928.11987-3-yi.l.liu@intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/iommu.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 286b14d008b2..2ff4fa60a86a 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3312,6 +3312,14 @@ bool iommu_group_dma_owner_claimed(struct iommu_group *group)
}
EXPORT_SYMBOL_GPL(iommu_group_dma_owner_claimed);
+static void iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid,
+ struct iommu_domain *domain)
+{
+ const struct iommu_ops *ops = dev_iommu_ops(dev);
+
+ ops->remove_dev_pasid(dev, pasid, domain);
+}
+
static int __iommu_set_group_pasid(struct iommu_domain *domain,
struct iommu_group *group, ioasid_t pasid)
{
@@ -3330,11 +3338,9 @@ static int __iommu_set_group_pasid(struct iommu_domain *domain,
err_revert:
last_gdev = device;
for_each_group_device(group, device) {
- const struct iommu_ops *ops = dev_iommu_ops(device->dev);
-
if (device == last_gdev)
break;
- ops->remove_dev_pasid(device->dev, pasid, domain);
+ iommu_remove_dev_pasid(device->dev, pasid, domain);
}
return ret;
}
@@ -3344,12 +3350,9 @@ static void __iommu_remove_group_pasid(struct iommu_group *group,
struct iommu_domain *domain)
{
struct group_device *device;
- const struct iommu_ops *ops;
- for_each_group_device(group, device) {
- ops = dev_iommu_ops(device->dev);
- ops->remove_dev_pasid(device->dev, pasid, domain);
- }
+ for_each_group_device(group, device)
+ iommu_remove_dev_pasid(device->dev, pasid, domain);
}
/*