[PATCH v2 03/22] vfio/type1: Use iommu_user_domain_alloc()

Lu Baolu
2024-06-04T01:54:09Z

Replace iommu_domain_alloc() with iommu_user_domain_alloc().

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/vfio/vfio_iommu_type1.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3a0218171cfa..1d553f7f7c26 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -2135,7 +2135,7 @@ static int vfio_iommu_domain_alloc(struct device *dev, void *data)
{
struct iommu_domain **domain = data;

- *domain = iommu_domain_alloc(dev->bus);
+ *domain = iommu_user_domain_alloc(dev, 0);
return 1; /* Don't iterate */
}

@@ -2192,11 +2192,12 @@ static int vfio_iommu_type1_attach_group(void *iommu_data,
* us a representative device for the IOMMU API call. We don't actually
* want to iterate beyond the first device (if any).
*/
- ret = -EIO;
iommu_group_for_each_dev(iommu_group, &domain->domain,
vfio_iommu_domain_alloc);
- if (!domain->domain)
+ if (IS_ERR(domain->domain)) {
+ ret = PTR_ERR(domain->domain);
goto out_free_domain;
+ }

if (iommu->nesting) {
ret = iommu_enable_nesting(domain->domain);
--
2.34.1