On Mon, Jul 14, 2025 at 04:59:28PM +0100, Shameer Kolothum wrote:
> +bool iommufd_backend_alloc_vdev(IOMMUFDBackend *be, uint32_t dev_id,
> + uint32_t viommu_id, uint64_t virt_id,
> + uint32_t *out_vdev_id, Error **errp)
> +{
> + int ret, fd = be->fd;
> + struct iommu_vdevice_alloc alloc_vdev = {
> + .size = sizeof(alloc_vdev),
> + .viommu_id = viommu_id,
> + .dev_id = dev_id,
> + .virt_id = virt_id,
> + };
> +
> + ret = ioctl(fd, IOMMU_VDEVICE_ALLOC, &alloc_vdev);
> +
> + trace_iommufd_backend_alloc_vdev(fd, dev_id, viommu_id, virt_id,
> + alloc_vdev.out_vdevice_id, ret);
> +
> + if (ret) {
> + error_setg_errno(errp, errno, "IOMMU_VDEVICE_ALLOC failed");
> + return false;
> + }
> +
> + *out_vdev_id = alloc_vdev.out_vdevice_id;
g_assert(out_vdev_id);
Thanks
Nicolin
