[PATCH v2 2/2] virtio: virtio_has_iommu_quirk -> virtio_has_dma_quirk

From: Michael S. Tsirkin
Date: Wed Jun 24 2020 - 19:21:37 EST


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@xxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_object.c | 2 +-
drivers/gpu/drm/virtio/virtgpu_vq.c | 4 ++--
drivers/virtio/virtio_ring.c | 2 +-
include/linux/virtio_config.h | 4 ++--
tools/virtio/linux/virtio_config.h | 4 ++--
5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 6ccbd01cd888..e8799ab0c753 100644
--- 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 9e663a5d9952..53af60d484a4 100644
--- 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 a1a5c2a91426..34253cb69cb8 100644
--- 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 f2cc2a0df174..3b4eae5ac5e3 100644
--- 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 f99ae42668e0..f2640e505c4e 100644
--- 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
--
MST