diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/srq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/srq.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index beaa3b06cf5..62d9285300a 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. + * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -32,6 +33,7 @@ #include <linux/mlx4/qp.h> #include <linux/mlx4/srq.h> +#include <linux/slab.h> #include "mlx4_ib.h" #include "user.h" @@ -57,7 +59,7 @@ static void mlx4_ib_srq_event(struct mlx4_srq *srq, enum mlx4_event type) event.event = IB_EVENT_SRQ_ERR; break; default: - printk(KERN_WARNING "mlx4_ib: Unexpected event type %d " + pr_warn("Unexpected event type %d " "on SRQ %06x\n", type, srq->srqn); return; } @@ -73,6 +75,9 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, struct mlx4_ib_dev *dev = to_mdev(pd->device); struct mlx4_ib_srq *srq; struct mlx4_wqe_srq_next_seg *next; + struct mlx4_wqe_data_seg *scatter; + u32 cqn; + u16 xrcdn; int desc_size; int buf_size; int err; @@ -109,7 +114,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, } srq->umem = ib_umem_get(pd->uobject->context, ucmd.buf_addr, - buf_size, 0); + buf_size, 0, 0); if (IS_ERR(srq->umem)) { err = PTR_ERR(srq->umem); goto err_srq; @@ -129,13 +134,14 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, if (err) goto err_mtt; } else { - err = mlx4_ib_db_alloc(dev, &srq->db, 0); + err = mlx4_db_alloc(dev->dev, &srq->db, 0, GFP_KERNEL); if (err) goto err_srq; *srq->db.db = 0; - if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf)) { + if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf, + GFP_KERNEL)) { err = -ENOMEM; goto err_db; } @@ -148,6 +154,11 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, next = get_wqe(srq, i); next->next_wqe_index = cpu_to_be16((i + 1) & (srq->msrq.max - 1)); + + for (scatter = (void *) (next + 1); + (void *) scatter < (void *) next + desc_size; + ++scatter) + scatter->lkey = cpu_to_be32(MLX4_INVALID_LKEY); } err = mlx4_mtt_init(dev->dev, srq->buf.npages, srq->buf.page_shift, @@ -155,7 +166,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, if (err) goto err_buf; - err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf); + err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf, GFP_KERNEL); if (err) goto err_mtt; @@ -166,12 +177,18 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, } } - err = mlx4_srq_alloc(dev->dev, to_mpd(pd)->pdn, &srq->mtt, + cqn = (init_attr->srq_type == IB_SRQT_XRC) ? + to_mcq(init_attr->ext.xrc.cq)->mcq.cqn : 0; + xrcdn = (init_attr->srq_type == IB_SRQT_XRC) ? + to_mxrcd(init_attr->ext.xrc.xrcd)->xrcdn : + (u16) dev->dev->caps.reserved_xrcds; + err = mlx4_srq_alloc(dev->dev, to_mpd(pd)->pdn, cqn, xrcdn, &srq->mtt, srq->db.dma, &srq->msrq); if (err) goto err_wrid; srq->msrq.event = mlx4_ib_srq_event; + srq->ibsrq.ext.xrc.srq_num = srq->msrq.srqn; if (pd->uobject) if (ib_copy_to_udata(udata, &srq->msrq.srqn, sizeof (__u32))) { @@ -200,7 +217,7 @@ err_buf: err_db: if (!pd->uobject) - mlx4_ib_db_free(dev, &srq->db); + mlx4_db_free(dev->dev, &srq->db); err_srq: kfree(srq); @@ -267,7 +284,7 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq) kfree(msrq->wrid); mlx4_buf_free(dev->dev, msrq->msrq.max << msrq->msrq.wqe_shift, &msrq->buf); - mlx4_ib_db_free(dev, &msrq->db); + mlx4_db_free(dev->dev, &msrq->db); } kfree(msrq); |