enum { CQ_OK = 0, CQ_EMPTY = -1, CQ_POLL_ERR = -2 };
+static int mlx5vf_is_migratable(struct mlx5_core_dev *mdev, u16 func_id)
+{
+ int query_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out);
+ void *query_cap = NULL, *cap;
+ int ret;
+
+ query_cap = kzalloc(query_sz, GFP_KERNEL);
+ if (!query_cap)
+ return -ENOMEM;
+
+ ret = mlx5_vport_get_other_func_cap(mdev, func_id, query_cap,
+ MLX5_CAP_GENERAL_2);
+ if (ret)
+ goto out;
+
+ cap = MLX5_ADDR_OF(query_hca_cap_out, query_cap, capability);
+ if (!MLX5_GET(cmd_hca_cap_2, cap, migratable))
+ ret = -EOPNOTSUPP;
+out:
+ kfree(query_cap);
+ return ret;
+}
+
static int mlx5vf_cmd_get_vhca_id(struct mlx5_core_dev *mdev, u16 function_id,
u16 *vhca_id);
static void
if (mvdev->vf_id < 0)
goto end;
+ ret = mlx5vf_is_migratable(mvdev->mdev, mvdev->vf_id + 1);
+ if (ret)
+ goto end;
+
if (mlx5vf_cmd_get_vhca_id(mvdev->mdev, mvdev->vf_id + 1,
&mvdev->vhca_id))
goto end;
#include <linux/kernel.h>
#include <linux/vfio_pci_core.h>
#include <linux/mlx5/driver.h>
+#include <linux/mlx5/vport.h>
#include <linux/mlx5/cq.h>
#include <linux/mlx5/qp.h>