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IB/mthca: Return actual capacity from create_srq

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Have mthca's create_srq method return the actual capacity of the SRQ
that gets created.  Also update comments in <rdma/ib_verbs.h> to
clarify that this is what is expected from ib_create_srq().

Signed-off-by: Dotan Barak <dotanb@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Dotan Barak 2006-02-23 12:13:51 -08:00 committed by Roland Dreier
parent 44af79f952
commit abb6e9ba17
2 changed files with 9 additions and 2 deletions
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3
drivers/infiniband/hw/mthca/mthca_srq.c
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@ -271,6 +271,9 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
srq->first_free = 0; srq->first_free = 0;
srq->last_free = srq->max - 1; srq->last_free = srq->max - 1;
attr->max_wr = srq->max;
attr->max_sge = srq->max_gs;
return 0; return 0;
err_out_free_srq: err_out_free_srq:

8
include/rdma/ib_verbs.h
View File

@ -1100,7 +1100,9 @@ int ib_destroy_ah(struct ib_ah *ah);
* ib_create_srq - Creates a SRQ associated with the specified protection * ib_create_srq - Creates a SRQ associated with the specified protection
* domain. * domain.
* @pd: The protection domain associated with the SRQ. * @pd: The protection domain associated with the SRQ.
* @srq_init_attr: A list of initial attributes required to create the SRQ. * @srq_init_attr: A list of initial attributes required to create the
* SRQ. If SRQ creation succeeds, then the attributes are updated to
* the actual capabilities of the created SRQ.
* *
* srq_attr->max_wr and srq_attr->max_sge are read the determine the * srq_attr->max_wr and srq_attr->max_sge are read the determine the
* requested size of the SRQ, and set to the actual values allocated * requested size of the SRQ, and set to the actual values allocated
@ -1159,7 +1161,9 @@ static inline int ib_post_srq_recv(struct ib_srq *srq,
* ib_create_qp - Creates a QP associated with the specified protection * ib_create_qp - Creates a QP associated with the specified protection
* domain. * domain.
* @pd: The protection domain associated with the QP. * @pd: The protection domain associated with the QP.
* @qp_init_attr: A list of initial attributes required to create the QP. * @qp_init_attr: A list of initial attributes required to create the
* QP. If QP creation succeeds, then the attributes are updated to
* the actual capabilities of the created QP.
*/ */
struct ib_qp *ib_create_qp(struct ib_pd *pd, struct ib_qp *ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr); struct ib_qp_init_attr *qp_init_attr);