props->max_mcast_qp_attach = MTHCA_QP_PER_MGM;
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
+ /*
+ * If Sinai memory key optimization is being used, then only
+ * the 8-bit key portion will change. For other HCAs, the
+ * unused index bits will also be used for FMR remapping.
+ */
+ if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
+ props->max_map_per_fmr = 255;
+ else
+ props->max_map_per_fmr =
+ (1 << (32 - long_log2(mdev->limits.num_mpts))) - 1;
err = 0;
out:
if (entries < 1 || entries > dev->limits.max_cqes)
return -EINVAL;
+ mutex_lock(&cq->mutex);
+
entries = roundup_pow_of_two(entries + 1);
- if (entries == ibcq->cqe + 1)
- return 0;
+ if (entries == ibcq->cqe + 1) {
+ ret = 0;
+ goto out;
+ }
if (cq->is_kernel) {
ret = mthca_alloc_resize_buf(dev, cq, entries);
if (ret)
- return ret;
+ goto out;
lkey = cq->resize_buf->buf.mr.ibmr.lkey;
} else {
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
- return -EFAULT;
+ if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
+ ret = -EFAULT;
+ goto out;
+ }
lkey = ucmd.lkey;
}
cq->resize_buf = NULL;
spin_unlock_irq(&cq->lock);
}
- return ret;
+ goto out;
}
if (cq->is_kernel) {
} else
ibcq->cqe = entries - 1;
- return 0;
+out:
+ mutex_unlock(&cq->mutex);
+
+ return ret;
}
static int mthca_destroy_cq(struct ib_cq *cq)
(1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
(1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
(1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
+ (1ull << IB_USER_VERBS_CMD_DETACH_MCAST);
dev->ib_dev.node_type = IB_NODE_CA;
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
dev->ib_dev.dma_device = &dev->pdev->dev;
dev->ib_dev.modify_srq = mthca_modify_srq;
dev->ib_dev.query_srq = mthca_query_srq;
dev->ib_dev.destroy_srq = mthca_destroy_srq;
+ dev->ib_dev.uverbs_cmd_mask |=
+ (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
+ (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
+ (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
+ (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
if (mthca_is_memfree(dev))
dev->ib_dev.post_srq_recv = mthca_arbel_post_srq_recv;