int __ibv_resize_cq_1_0(struct ibv_cq_1_0 *cq, int cqe)
{
return ibv_resize_cq(cq->real_cq, cqe);
}
int mca_btl_openib_size_queues( struct mca_btl_openib_module_t* openib_btl, size_t nprocs)
{
int min_cq_size;
int first_time = (0 == openib_btl->num_peers);
int rc;
openib_btl->num_peers += nprocs;
if(mca_btl_openib_component.use_srq) {
openib_btl->rd_num = mca_btl_openib_component.rd_num + log2(nprocs) * mca_btl_openib_component.srq_rd_per_peer;
if(openib_btl->rd_num > mca_btl_openib_component.srq_rd_max)
openib_btl->rd_num = mca_btl_openib_component.srq_rd_max;
openib_btl->rd_low = openib_btl->rd_num - 1;
min_cq_size = openib_btl->rd_num * 2 * openib_btl->num_peers;
if(!first_time) {
struct ibv_srq_attr srq_attr;
srq_attr.max_wr = openib_btl->rd_num;
rc = ibv_modify_srq(openib_btl->srq[BTL_OPENIB_HP_QP],
&srq_attr, IBV_SRQ_MAX_WR);
if(rc) {
BTL_ERROR(("cannot resize high priority shared receive queue, error: %d", rc));
return OMPI_ERROR;
}
rc = ibv_modify_srq(openib_btl->srq[BTL_OPENIB_LP_QP],
&srq_attr, IBV_SRQ_MAX_WR);
if(rc) {
BTL_ERROR(("cannot resize low priority shared receive queue, error: %d", rc));
return OMPI_ERROR;
}
}
} else
{
min_cq_size = ( mca_btl_openib_component.rd_num > (int32_t) mca_btl_openib_component.eager_rdma_num ?
mca_btl_openib_component.rd_num : (int32_t) mca_btl_openib_component.eager_rdma_num ) *
2 * openib_btl->num_peers;
}
if(min_cq_size > (int32_t) mca_btl_openib_component.ib_cq_size) {
mca_btl_openib_component.ib_cq_size = min_cq_size > openib_btl->hca->ib_dev_attr.max_cq ?
openib_btl->hca->ib_dev_attr.max_cq : min_cq_size;
#if OMPI_MCA_BTL_OPENIB_HAVE_RESIZE_CQ
if(!first_time) {
rc = ibv_resize_cq(openib_btl->ib_cq[BTL_OPENIB_LP_QP], mca_btl_openib_component.ib_cq_size);
if(rc) {
BTL_ERROR(("cannot resize low priority completion queue, error: %d", rc));
return OMPI_ERROR;
}
rc = ibv_resize_cq(openib_btl->ib_cq[BTL_OPENIB_HP_QP],
mca_btl_openib_component.ib_cq_size);
if(rc) {
BTL_ERROR(("cannot resize high priority completion queue, error: %d", rc));
return OMPI_ERROR;
}
}
#endif
}
if(first_time) {
/* never been here before, setup cq and srq */
mca_btl_openib_component.ib_cq_size = (int) mca_btl_openib_component.ib_cq_size >
openib_btl->hca->ib_dev_attr.max_cq ?
openib_btl->hca->ib_dev_attr.max_cq :
(int) mca_btl_openib_component.ib_cq_size;
return mca_btl_openib_create_cq_srq(openib_btl);
}
return OMPI_SUCCESS;
}
int __ibv_resize_cq_1_0(struct ibv_cq_1_0 *cq, int cqe)
{ fprintf(stderr, "%s:%s:%d \n", __func__, __FILE__, __LINE__);
return ibv_resize_cq(cq->real_cq, cqe);
}
