diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 16:45:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 16:45:40 -0700 |
| commit | 0cdf6990e992902ae59cbc625d28cb41390f378e (patch) | |
| tree | 0c01cf792be5f36ea34064036005f424ab95a571 /drivers/net/mlx4/srq.c | |
| parent | de081fa517fed81b0369f2e90ca87c30182879c8 (diff) | |
| parent | cec7c893d8654723028f09d33341e42673558057 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (76 commits)
IB: Update MAINTAINERS with Hal's new email address
IB/mlx4: Implement query SRQ
IB/mlx4: Implement query QP
IB/cm: Send no match if a SIDR REQ does not match a listen
IB/cm: Fix handling of duplicate SIDR REQs
IB/cm: cm_msgs.h should include ib_cm.h
IB/cm: Include HCA ACK delay in local ACK timeout
IB/cm: Use spin_lock_irq() instead of spin_lock_irqsave() when possible
IB/sa: Make sure SA queries use default P_Key
IPoIB: Recycle loopback skbs instead of freeing and reallocating
IB/mthca: Replace memset(<addr>, 0, PAGE_SIZE) with clear_page(<addr>)
IPoIB/cm: Fix warning if IPV6 is not enabled
IB/core: Take sizeof the correct pointer when calling kmalloc()
IB/ehca: Improve latency by unlocking after triggering the hardware
IB/ehca: Notify consumers of LID/PKEY/SM changes after nondisruptive events
IB/ehca: Return QP pointer in poll_cq()
IB/ehca: Change idr spinlocks into rwlocks
IB/ehca: Refactor sync between completions and destroy_cq using atomic_t
IB/ehca: Lock renaming, static initializers
IB/ehca: Report RDMA atomic attributes in query_qp()
...
Diffstat (limited to 'drivers/net/mlx4/srq.c')
| -rw-r--r-- | drivers/net/mlx4/srq.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/mlx4/srq.c b/drivers/net/mlx4/srq.c index 2134f83aed8..b061c86d683 100644 --- a/drivers/net/mlx4/srq.c +++ b/drivers/net/mlx4/srq.c @@ -102,6 +102,13 @@ static int mlx4_ARM_SRQ(struct mlx4_dev *dev, int srq_num, int limit_watermark) MLX4_CMD_TIME_CLASS_B); } +static int mlx4_QUERY_SRQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, + int srq_num) +{ + return mlx4_cmd_box(dev, 0, mailbox->dma, srq_num, 0, MLX4_CMD_QUERY_SRQ, + MLX4_CMD_TIME_CLASS_A); +} + int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq) { @@ -205,6 +212,29 @@ int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark } EXPORT_SYMBOL_GPL(mlx4_srq_arm); +int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark) +{ + struct mlx4_cmd_mailbox *mailbox; + struct mlx4_srq_context *srq_context; + int err; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + srq_context = mailbox->buf; + + err = mlx4_QUERY_SRQ(dev, mailbox, srq->srqn); + if (err) + goto err_out; + *limit_watermark = srq_context->limit_watermark; + +err_out: + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL_GPL(mlx4_srq_query); + int __devinit mlx4_init_srq_table(struct mlx4_dev *dev) { struct mlx4_srq_table *srq_table = &mlx4_priv(dev)->srq_table; |