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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: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Pranjal Shrivastava <praan@google.com>
Signed-off-by: Jason 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: Alex Williamson <alex@shazbot.org>
This commit is contained in:
Jason Gunthorpe 2025-11-07 13:41:27 -04:00 committed by Alex Williamson
parent 6cdae5d0c3
commit b9827eff6b
1 changed files with 4 additions and 3 deletions
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7
drivers/vfio/cdx/main.c
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@ -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,