diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/qp.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index fd66bd9a9db0..c158fcc02bca 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -205,9 +205,9 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, } /* - * RQT must be a power of 2. + * RQT must be a power of 2 and at least 16 deep. */ - wq->rq.rqt_size = roundup_pow_of_two(wq->rq.size); + wq->rq.rqt_size = roundup_pow_of_two(max_t(u16, wq->rq.size, 16)); wq->rq.rqt_hwaddr = c4iw_rqtpool_alloc(rdev, wq->rq.rqt_size); if (!wq->rq.rqt_hwaddr) { ret = -ENOMEM; @@ -1621,13 +1621,17 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs, if (attrs->cap.max_inline_data > T4_MAX_SEND_INLINE) return ERR_PTR(-EINVAL); - rqsize = roundup(attrs->cap.max_recv_wr + 1, 16); - if (rqsize > rhp->rdev.hw_queue.t4_max_rq_size) + if (attrs->cap.max_recv_wr > rhp->rdev.hw_queue.t4_max_rq_size) return ERR_PTR(-E2BIG); + rqsize = attrs->cap.max_recv_wr + 1; + if (rqsize < 8) + rqsize = 8; - sqsize = roundup(attrs->cap.max_send_wr + 1, 16); - if (sqsize > rhp->rdev.hw_queue.t4_max_sq_size) + if (attrs->cap.max_send_wr > rhp->rdev.hw_queue.t4_max_sq_size) return ERR_PTR(-E2BIG); + sqsize = attrs->cap.max_send_wr + 1; + if (sqsize < 8) + sqsize = 8; ucontext = pd->uobject ? to_c4iw_ucontext(pd->uobject->context) : NULL; @@ -1635,19 +1639,20 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs, if (!qhp) return ERR_PTR(-ENOMEM); qhp->wq.sq.size = sqsize; - qhp->wq.sq.memsize = (sqsize + 1) * sizeof *qhp->wq.sq.queue; + qhp->wq.sq.memsize = + (sqsize + rhp->rdev.hw_queue.t4_eq_status_entries) * + sizeof(*qhp->wq.sq.queue) + 16 * sizeof(__be64); qhp->wq.sq.flush_cidx = -1; qhp->wq.rq.size = rqsize; - qhp->wq.rq.memsize = (rqsize + 1) * sizeof *qhp->wq.rq.queue; + qhp->wq.rq.memsize = + (rqsize + rhp->rdev.hw_queue.t4_eq_status_entries) * + sizeof(*qhp->wq.rq.queue); if (ucontext) { qhp->wq.sq.memsize = roundup(qhp->wq.sq.memsize, PAGE_SIZE); qhp->wq.rq.memsize = roundup(qhp->wq.rq.memsize, PAGE_SIZE); } - PDBG("%s sqsize %u sqmemsize %zu rqsize %u rqmemsize %zu\n", - __func__, sqsize, qhp->wq.sq.memsize, rqsize, qhp->wq.rq.memsize); - ret = create_qp(&rhp->rdev, &qhp->wq, &schp->cq, &rchp->cq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx); if (ret) @@ -1766,9 +1771,11 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs, qhp->ibqp.qp_num = qhp->wq.sq.qid; init_timer(&(qhp->timer)); INIT_LIST_HEAD(&qhp->db_fc_entry); - PDBG("%s qhp %p sq_num_entries %d, rq_num_entries %d qpid 0x%0x\n", - __func__, qhp, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries, - qhp->wq.sq.qid); + PDBG("%s sq id %u size %u memsize %zu num_entries %u " + "rq id %u size %u memsize %zu num_entries %u\n", __func__, + qhp->wq.sq.qid, qhp->wq.sq.size, qhp->wq.sq.memsize, + attrs->cap.max_send_wr, qhp->wq.rq.qid, qhp->wq.rq.size, + qhp->wq.rq.memsize, attrs->cap.max_recv_wr); return &qhp->ibqp; err8: kfree(mm5); @@ -1856,5 +1863,11 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, memset(attr, 0, sizeof *attr); memset(init_attr, 0, sizeof *init_attr); attr->qp_state = to_ib_qp_state(qhp->attr.state); + init_attr->cap.max_send_wr = qhp->attr.sq_num_entries; + init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries; + init_attr->cap.max_send_sge = qhp->attr.sq_max_sges; + init_attr->cap.max_recv_sge = qhp->attr.sq_max_sges; + init_attr->cap.max_inline_data = T4_MAX_SEND_INLINE; + init_attr->sq_sig_type = qhp->sq_sig_all ? IB_SIGNAL_ALL_WR : 0; return 0; } |