From 6a775e2ba4f7635849ade628e64723ab2beef0bc Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Thu, 21 Jun 2007 12:27:47 +0300 Subject: IB/mlx4: Implement query QP Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- drivers/net/mlx4/qp.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers/net/mlx4') diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c index 492cfaaaa75..19b48c71cf7 100644 --- a/drivers/net/mlx4/qp.c +++ b/drivers/net/mlx4/qp.c @@ -277,3 +277,24 @@ void mlx4_cleanup_qp_table(struct mlx4_dev *dev) mlx4_CONF_SPECIAL_QP(dev, 0); mlx4_bitmap_cleanup(&mlx4_priv(dev)->qp_table.bitmap); } + +int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp, + struct mlx4_qp_context *context) +{ + struct mlx4_cmd_mailbox *mailbox; + int err; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + err = mlx4_cmd_box(dev, 0, mailbox->dma, qp->qpn, 0, + MLX4_CMD_QUERY_QP, MLX4_CMD_TIME_CLASS_A); + if (!err) + memcpy(context, mailbox->buf + 8, sizeof *context); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL_GPL(mlx4_qp_query); + -- cgit v1.2.3-70-g09d2