From: Jason Gunthorpe Date: Fri, 7 Nov 2025 17:41:27 +0000 (-0400) Subject: vfio/cdx: Provide a get_region_info op X-Git-Tag: v6.19-rc1~132^2~39 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9827eff6b4aab8203a1aa720ae3a6d3731f1a4d;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Pranjal Shrivastava Signed-off-by: Jason Gunthorpe Link: https://lore.kernel.org/r/11-v2-2a9e24d62f1b+e10a-vfio_get_region_info_op_jgg@nvidia.com Signed-off-by: Alex Williamson --- diff --git a/drivers/vfio/cdx/main.c b/drivers/vfio/cdx/main.c index 5dd5f5ad76865..506d849139d35 100644 --- a/drivers/vfio/cdx/main.c +++ b/drivers/vfio/cdx/main.c @@ -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,