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iommu: Consolidate the ops->remove_dev_pasid usage into a helper

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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>
This commit is contained in:
Yi Liu 2024-12-04 04:29:23 -08:00 committed by Joerg Roedel
parent fb3de9f9b0
commit 1fbf73425f
1 changed files with 11 additions and 8 deletions
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19
drivers/iommu/iommu.c
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@ -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);
}
/*