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path: root/drivers/vfio/pci/vfio_pci_rdwr.c
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Diffstat (limited to 'drivers/vfio/pci/vfio_pci_rdwr.c')
-rw-r--r--drivers/vfio/pci/vfio_pci_rdwr.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index 07fea08ea8a2..03b8f7ada1ac 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -96,10 +96,10 @@ VFIO_IOREAD(32)
* reads with -1. This is intended for handling MSI-X vector tables and
* leftover space for ROM BARs.
*/
-static ssize_t do_io_rw(struct vfio_pci_core_device *vdev, bool test_mem,
- void __iomem *io, char __user *buf,
- loff_t off, size_t count, size_t x_start,
- size_t x_end, bool iswrite)
+ssize_t vfio_pci_core_do_io_rw(struct vfio_pci_core_device *vdev, bool test_mem,
+ void __iomem *io, char __user *buf,
+ loff_t off, size_t count, size_t x_start,
+ size_t x_end, bool iswrite)
{
ssize_t done = 0;
int ret;
@@ -201,6 +201,7 @@ static ssize_t do_io_rw(struct vfio_pci_core_device *vdev, bool test_mem,
return done;
}
+EXPORT_SYMBOL_GPL(vfio_pci_core_do_io_rw);
int vfio_pci_core_setup_barmap(struct vfio_pci_core_device *vdev, int bar)
{
@@ -279,8 +280,8 @@ ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf,
x_end = vdev->msix_offset + vdev->msix_size;
}
- done = do_io_rw(vdev, res->flags & IORESOURCE_MEM, io, buf, pos,
- count, x_start, x_end, iswrite);
+ done = vfio_pci_core_do_io_rw(vdev, res->flags & IORESOURCE_MEM, io, buf, pos,
+ count, x_start, x_end, iswrite);
if (done >= 0)
*ppos += done;
@@ -348,7 +349,8 @@ ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf,
* probing, so we don't currently worry about access in relation
* to the memory enable bit in the command register.
*/
- done = do_io_rw(vdev, false, iomem, buf, off, count, 0, 0, iswrite);
+ done = vfio_pci_core_do_io_rw(vdev, false, iomem, buf, off, count,
+ 0, 0, iswrite);
vga_put(vdev->pdev, rsrc);