virtio: virtio_has_iommu_quirk -> virtio_has_dma_quirk

Now that the corresponding feature bit has been renamed,
rename the quirk too - it's about special ways to
do DMA, not necessarily about the IOMMU.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 6ccbd01..e8799ab 100644 (file)
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -141,7 +141,7 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev,
                                        struct virtio_gpu_mem_entry **ents,
                                        unsigned int *nents)
 {
-       bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
+       bool use_dma_api = !virtio_has_dma_quirk(vgdev->vdev);
        struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);
        struct scatterlist *sg;
        int si, ret;

diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 9e663a5..53af60d 100644 (file)
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -599,7 +599,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
        struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
        struct virtio_gpu_transfer_to_host_2d *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
-       bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
+       bool use_dma_api = !virtio_has_dma_quirk(vgdev->vdev);
        struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);
 
        if (use_dma_api)
@@ -1015,7 +1015,7 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
        struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]);
        struct virtio_gpu_transfer_host_3d *cmd_p;
        struct virtio_gpu_vbuffer *vbuf;
-       bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev);
+       bool use_dma_api = !virtio_has_dma_quirk(vgdev->vdev);
        struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);
 
        if (use_dma_api)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index a1a5c2a..34253cb 100644 (file)
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -240,7 +240,7 @@ static inline bool virtqueue_use_indirect(struct virtqueue *_vq,
 
 static bool vring_use_dma_api(struct virtio_device *vdev)
 {
-       if (!virtio_has_iommu_quirk(vdev))
+       if (!virtio_has_dma_quirk(vdev))
                return true;
 
        /* Otherwise, we are left to guess. */

diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index f2cc2a0..3b4eae5 100644 (file)
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -162,10 +162,10 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev,
 }
 
 /**
- * virtio_has_iommu_quirk - determine whether this device has the iommu quirk
+ * virtio_has_dma_quirk - determine whether this device has the DMA quirk
  * @vdev: the device
  */
-static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev)
+static inline bool virtio_has_dma_quirk(const struct virtio_device *vdev)
 {
        /*
         * Note the reverse polarity of the quirk feature (compared to most

diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h
index f99ae42..f2640e5 100644 (file)
--- a/tools/virtio/linux/virtio_config.h
+++ b/tools/virtio/linux/virtio_config.h
@@ -42,10 +42,10 @@ static inline void __virtio_clear_bit(struct virtio_device *vdev,
        (__virtio_test_bit((dev), feature))
 
 /**
- * virtio_has_iommu_quirk - determine whether this device has the iommu quirk
+ * virtio_has_dma_quirk - determine whether this device has the DMA quirk
  * @vdev: the device
  */
-static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev)
+static inline bool virtio_has_dma_quirk(const struct virtio_device *vdev)
 {
        /*
         * Note the reverse polarity of the quirk feature (compared to most