linux-kernel - [RFC 6/8] vfio: Rename and remove compat from noiommu set function

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Message-Id: <20251201173012.18371-7-jacob.pan@linux.microsoft.com>
Date: Mon,  1 Dec 2025 09:30:10 -0800
From: Jacob Pan <jacob.pan@...ux.microsoft.com>
To: linux-kernel@...r.kernel.org,
	"iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
	Jason Gunthorpe <jgg@...dia.com>,
	Alex Williamson <alex.williamson@...hat.com>,
	Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	Nicolin Chen <nicolinc@...dia.com>,
	"Tian, Kevin" <kevin.tian@...el.com>,
	"Liu, Yi L" <yi.l.liu@...el.com>
Cc: skhawaja@...gle.com,
	pasha.tatashin@...een.com,
	Jacob Pan <jacob.pan@...ux.microsoft.com>,
	Zhang Yu <zhangyu1@...ux.microsoft.com>,
	Jean Philippe-Brucker <jean-philippe@...aro.org>,
	David Matlack <dmatlack@...gle.com>
Subject: [RFC 6/8] vfio: Rename and remove compat from noiommu set function

With the dummy iommu driver, noiommu mode can be supported beyond
vfio_compat mode under IOMMUFD. Rename it accordingly.

Signed-off-by: Jacob Pan <jacob.pan@...ux.microsoft.com>
---
 drivers/iommu/iommufd/vfio_compat.c | 6 +++---
 drivers/vfio/group.c                | 2 +-
 include/linux/iommufd.h             | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/iommufd/vfio_compat.c b/drivers/iommu/iommufd/vfio_compat.c
index a258ee2f4579..82630fe024a6 100644
--- a/drivers/iommu/iommufd/vfio_compat.c
+++ b/drivers/iommu/iommufd/vfio_compat.c
@@ -47,12 +47,12 @@ int iommufd_vfio_compat_ioas_get_id(struct iommufd_ctx *ictx, u32 *out_ioas_id)
 EXPORT_SYMBOL_NS_GPL(iommufd_vfio_compat_ioas_get_id, "IOMMUFD_VFIO");
 
 /**
- * iommufd_vfio_compat_set_no_iommu - Called when a no-iommu device is attached
+ * iommufd_vfio_set_no_iommu - Called when a no-iommu device is attached
  * @ictx: Context to operate on
  *
  * This allows selecting the VFIO_NOIOMMU_IOMMU and blocks normal types.
  */
-int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx)
+int iommufd_vfio_set_no_iommu(struct iommufd_ctx *ictx)
 {
 	int ret;
 
@@ -66,7 +66,7 @@ int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx)
 	xa_unlock(&ictx->objects);
 	return ret;
 }
-EXPORT_SYMBOL_NS_GPL(iommufd_vfio_compat_set_no_iommu, "IOMMUFD_VFIO");
+EXPORT_SYMBOL_NS_GPL(iommufd_vfio_set_no_iommu, "IOMMUFD_VFIO");
 
 /**
  * iommufd_vfio_compat_ioas_create - Ensure the compat IOAS is created
diff --git a/drivers/vfio/group.c b/drivers/vfio/group.c
index c376a6279de0..39fada00ef50 100644
--- a/drivers/vfio/group.c
+++ b/drivers/vfio/group.c
@@ -134,7 +134,7 @@ static int vfio_group_ioctl_set_container(struct vfio_group *group,
 	if (!IS_ERR(iommufd)) {
 		if (IS_ENABLED(CONFIG_VFIO_NOIOMMU) &&
 		    group->type == VFIO_NO_IOMMU)
-			ret = iommufd_vfio_compat_set_no_iommu(iommufd);
+			ret = iommufd_vfio_set_no_iommu(iommufd);
 		else
 			ret = iommufd_vfio_compat_ioas_create(iommufd);
 
diff --git a/include/linux/iommufd.h b/include/linux/iommufd.h
index 6e7efe83bc5d..fb3bc387b78e 100644
--- a/include/linux/iommufd.h
+++ b/include/linux/iommufd.h
@@ -212,7 +212,7 @@ int iommufd_access_rw(struct iommufd_access *access, unsigned long iova,
 		      void *data, size_t len, unsigned int flags);
 int iommufd_vfio_compat_ioas_get_id(struct iommufd_ctx *ictx, u32 *out_ioas_id);
 int iommufd_vfio_compat_ioas_create(struct iommufd_ctx *ictx);
-int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx);
+int iommufd_vfio_set_no_iommu(struct iommufd_ctx *ictx);
 #else /* !CONFIG_IOMMUFD */
 static inline struct iommufd_ctx *iommufd_ctx_from_file(struct file *file)
 {
@@ -250,7 +250,7 @@ static inline int iommufd_vfio_compat_ioas_create(struct iommufd_ctx *ictx)
 	return -EOPNOTSUPP;
 }
 
-static inline int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx)
+static inline int iommufd_vfio_set_no_iommu(struct iommufd_ctx *ictx)
 {
 	return -EOPNOTSUPP;
 }
-- 
2.34.1