Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox...

[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx5 / core / cmd.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 7f1a2afca22ac48f3dbd64d949fb1c589bfb0d03..0a2ffe794a547170bbce5935dd596d0e2ca3b034 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1585,6 +1585,24 @@ no_trig:
        spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
 }
 
+void mlx5_cmd_flush(struct mlx5_core_dev *dev)
+{
+       struct mlx5_cmd *cmd = &dev->cmd;
+       int i;
+
+       for (i = 0; i < cmd->max_reg_cmds; i++)
+               while (down_trylock(&cmd->sem))
+                       mlx5_cmd_trigger_completions(dev);
+
+       while (down_trylock(&cmd->pages_sem))
+               mlx5_cmd_trigger_completions(dev);
+
+       /* Unlock cmdif */
+       up(&cmd->pages_sem);
+       for (i = 0; i < cmd->max_reg_cmds; i++)
+               up(&cmd->sem);
+}
+
 static int status_to_err(u8 status)
 {
        return status ? -1 : 0; /* TBD more meaningful codes */