summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/iommufd/selftest.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/iommufd/selftest.c')
-rw-r--r--drivers/iommu/iommufd/selftest.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c
index 9d43334e4faf..bb2cd54ca7b6 100644
--- a/drivers/iommu/iommufd/selftest.c
+++ b/drivers/iommu/iommufd/selftest.c
@@ -785,6 +785,22 @@ out_free_staccess:
return rc;
}
+static int iommufd_test_access_replace_ioas(struct iommufd_ucmd *ucmd,
+ unsigned int access_id,
+ unsigned int ioas_id)
+{
+ struct selftest_access *staccess;
+ int rc;
+
+ staccess = iommufd_access_get(access_id);
+ if (IS_ERR(staccess))
+ return PTR_ERR(staccess);
+
+ rc = iommufd_access_replace(staccess->access, ioas_id);
+ fput(staccess->file);
+ return rc;
+}
+
/* Check that the pages in a page array match the pages in the user VA */
static int iommufd_test_check_pages(void __user *uptr, struct page **pages,
size_t npages)
@@ -1000,6 +1016,9 @@ int iommufd_test(struct iommufd_ucmd *ucmd)
case IOMMU_TEST_OP_CREATE_ACCESS:
return iommufd_test_create_access(ucmd, cmd->id,
cmd->create_access.flags);
+ case IOMMU_TEST_OP_ACCESS_REPLACE_IOAS:
+ return iommufd_test_access_replace_ioas(
+ ucmd, cmd->id, cmd->access_replace_ioas.ioas_id);
case IOMMU_TEST_OP_ACCESS_PAGES:
return iommufd_test_access_pages(
ucmd, cmd->id, cmd->access_pages.iova,