int mlx5_core_sriov_configure(struct pci_dev *pdev, int num_vfs)
{
struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
int err = 0;
mlx5_core_dbg(dev, "requested num_vfs %d\n", num_vfs);
if (!mlx5_core_is_pf(dev))
return -EPERM;
if (num_vfs) {
int ret;
ret = mlx5_lag_forbid(dev);
if (ret && (ret != -ENODEV))
return ret;
}
if (num_vfs) {
err = mlx5_sriov_enable(pdev, num_vfs);
} else {
mlx5_sriov_disable(pdev);
mlx5_lag_allow(dev);
}
return err ? err : num_vfs;
}
int mlx5_core_sriov_configure(struct pci_dev *pdev, int num_vfs)
{
struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
int err = 0;
mlx5_core_dbg(dev, "requested num_vfs %d\n", num_vfs);
if (!mlx5_core_is_pf(dev))
return -EPERM;
if (num_vfs && mlx5_lag_is_active(dev)) {
mlx5_core_warn(dev, "can't turn sriov on while LAG is active");
return -EINVAL;
}
if (num_vfs)
err = mlx5_sriov_enable(pdev, num_vfs);
else
mlx5_sriov_disable(pdev);
return err ? err : num_vfs;
}