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mlx4_core: Add a way to set the "collapsed" CQ flag

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Extend the mlx4_cq_resize() API with a way to set the "collapsed" flag
for the CQ being created.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Yevgeny Petrilin
2008-04-29 13:46:50 -07:00
committed by Roland Dreier
parent 7663c1e279
commit e463c7b197
3 changed files with 6 additions and 3 deletions
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4
drivers/net/mlx4/cq.c
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@@ -188,7 +188,8 @@ int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
EXPORT_SYMBOL_GPL(mlx4_cq_resize);
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq)
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
int collapsed)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_cq_table *cq_table = &priv->cq_table;
@@ -224,6 +225,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
cq_context = mailbox->buf;
memset(cq_context, 0, sizeof *cq_context);
cq_context->flags = cpu_to_be32(!!collapsed << 18);
cq_context->logsize_usrpage = cpu_to_be32((ilog2(nent) << 24) | uar->index);
cq_context->comp_eqn = priv->eq_table.eq[MLX4_EQ_COMP].eqn;
cq_context->log_page_size = mtt->page_shift - MLX4_ICM_PAGE_SHIFT;