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IB/mthca: Support for query QP and SRQ

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Implement the query_qp and query_srq methods in mthca.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Eli Cohen
2006-02-13 16:40:21 -08:00
committed by Roland Dreier
parent 8bdb0e8632
commit 8ebe5077e3
6 changed files with 184 additions and 1 deletions
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32
drivers/infiniband/hw/mthca/mthca_srq.c
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@@ -360,6 +360,38 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
return 0;
}
int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
{
struct mthca_dev *dev = to_mdev(ibsrq->device);
struct mthca_srq *srq = to_msrq(ibsrq);
struct mthca_mailbox *mailbox;
struct mthca_arbel_srq_context *arbel_ctx;
u8 status;
int err;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
err = mthca_QUERY_SRQ(dev, srq->srqn, mailbox, &status);
if (err)
goto out;
if (mthca_is_memfree(dev)) {
arbel_ctx = mailbox->buf;
srq_attr->srq_limit = arbel_ctx->limit_watermark;
} else
srq_attr->srq_limit = 0;
srq_attr->max_wr = srq->max;
srq_attr->max_sge = srq->max_gs;
out:
mthca_free_mailbox(dev, mailbox);
return err;
}
void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
enum ib_event_type event_type)
{