Commit b9827eff authored by Jason Gunthorpe's avatar Jason Gunthorpe Committed by Alex Williamson
Browse files

vfio/cdx: Provide a get_region_info op 



Change the signature of vfio_cdx_ioctl_get_region_info() and hook it to
the op.

Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Reviewed-by: default avatarPranjal Shrivastava <praan@google.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/11-v2-2a9e24d62f1b+e10a-vfio_get_region_info_op_jgg@nvidia.com


Signed-off-by: default avatarAlex Williamson <alex@shazbot.org>
parent 6cdae5d0

drivers/vfio/cdx/main.c

+4 −3
Original line number Diff line number Diff line
@@ -129,9 +129,11 @@ static int vfio_cdx_ioctl_get_info(struct vfio_cdx_device *vdev, 
	return copy_to_user(arg, &info, minsz) ? -EFAULT : 0;

}



static int vfio_cdx_ioctl_get_region_info(struct vfio_cdx_device *vdev,

static int vfio_cdx_ioctl_get_region_info(struct vfio_device *core_vdev,

					  struct vfio_region_info __user *arg)

{

	struct vfio_cdx_device *vdev =

		container_of(core_vdev, struct vfio_cdx_device, vdev);

	unsigned long minsz = offsetofend(struct vfio_region_info, offset);

	struct cdx_device *cdx_dev = to_cdx_device(vdev->vdev.dev);

	struct vfio_region_info info;
@@ -219,8 +221,6 @@ static long vfio_cdx_ioctl(struct vfio_device *core_vdev, 
	switch (cmd) {

	case VFIO_DEVICE_GET_INFO:

		return vfio_cdx_ioctl_get_info(vdev, uarg);

	case VFIO_DEVICE_GET_REGION_INFO:

		return vfio_cdx_ioctl_get_region_info(vdev, uarg);

	case VFIO_DEVICE_GET_IRQ_INFO:

		return vfio_cdx_ioctl_get_irq_info(vdev, uarg);

	case VFIO_DEVICE_SET_IRQS:
@@ -284,6 +284,7 @@ static const struct vfio_device_ops vfio_cdx_ops = { 
	.open_device	= vfio_cdx_open_device,

	.close_device	= vfio_cdx_close_device,

	.ioctl		= vfio_cdx_ioctl,

	.get_region_info = vfio_cdx_ioctl_get_region_info,

	.device_feature = vfio_cdx_ioctl_feature,

	.mmap		= vfio_cdx_mmap,

	.bind_iommufd	= vfio_iommufd_physical_bind,