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Code Issues Releases Wiki Activity

vfio: Rename user_iova of vfio_dma_rw() 

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

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Tested-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20220723020256.30081-9-nicolinc@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Nicolin Chen 2022-07-22 19:02:54 -07:00 committed by Alex Williamson
parent 1331460514
commit 8561aa4fb7
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/vfio/vfio.c
View File

@ -2012,13 +2012,13 @@ 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;
@ -2034,7 +2034,7 @@ 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;

2
include/linux/vfio.h
View File

@ -164,7 +164,7 @@ bool vfio_file_has_dev(struct file *file, struct vfio_device *device);
int vfio_pin_pages(struct vfio_device *device, dma_addr_t iova,
int npage, int prot, unsigned long *phys_pfn);
void vfio_unpin_pages(struct vfio_device *device, dma_addr_t iova, int npage);
int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
int vfio_dma_rw(struct vfio_device *device, dma_addr_t iova,
void *data, size_t len, bool write);
/*