[RFT][PATCH v1 4/6] vfio: Rename user_iova of vfio_dma_rw()

From: Nicolin Chen
Date: Thu Jun 16 2022 - 19:53:58 EST


Following the updated vfio_pin/unpin_pages(), use the simpler "iova".

Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
---
drivers/vfio/vfio.c | 6 +++---
include/linux/vfio.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 861594dd461a..e8dbb0122e20 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1996,13 +1996,13 @@ EXPORT_SYMBOL(vfio_unpin_pages);
* not a real device DMA, it is not necessary to pin the user space memory.
*
* @device [in] : VFIO device
- * @user_iova [in] : base IOVA of a user space buffer
+ * @iova [in] : base IOVA of a user space buffer
* @data [in] : pointer to kernel buffer
* @len [in] : kernel buffer length
* @write : indicate read or write
* Return error code on failure or 0 on success.
*/
-int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova, void *data,
+int vfio_dma_rw(struct vfio_device *device, dma_addr_t iova, void *data,
size_t len, bool write)
{
struct vfio_container *container;
@@ -2018,7 +2018,7 @@ int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova, void *data,

if (likely(driver && driver->ops->dma_rw))
ret = driver->ops->dma_rw(container->iommu_data,
- user_iova, data, len, write);
+ iova, data, len, write);
else
ret = -ENOTTY;
return ret;
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index edbad5d3d50a..99c3bf52c4da 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -151,7 +151,7 @@ extern int vfio_pin_pages(struct vfio_device *device, dma_addr_t iova,
int npage, int prot, unsigned long *phys_pfn);
extern int vfio_unpin_pages(struct vfio_device *device, dma_addr_t iova,
int npage);
-extern int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
+extern int vfio_dma_rw(struct vfio_device *device, dma_addr_t iova,
void *data, size_t len, bool write);

/* each type has independent events */
--
2.17.1