diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_srq.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_srq.c | 52 |
1 files changed, 18 insertions, 34 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index a8ee2f6da967..b3421b1f21e0 100644 --- a/drivers/infiniband/hw/hns/hns_roce_srq.c +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c @@ -206,13 +206,13 @@ static int hns_roce_create_idx_que(struct ib_pd *pd, struct hns_roce_srq *srq, return 0; } -struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata) +int hns_roce_create_srq(struct ib_srq *ib_srq, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata) { - struct hns_roce_dev *hr_dev = to_hr_dev(pd->device); + struct hns_roce_dev *hr_dev = to_hr_dev(ib_srq->device); struct hns_roce_ib_create_srq_resp resp = {}; - struct hns_roce_srq *srq; + struct hns_roce_srq *srq = to_hr_srq(ib_srq); int srq_desc_size; int srq_buf_size; u32 page_shift; @@ -223,11 +223,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, /* Check the actual SRQ wqe and SRQ sge num */ if (srq_init_attr->attr.max_wr >= hr_dev->caps.max_srq_wrs || srq_init_attr->attr.max_sge > hr_dev->caps.max_srq_sges) - return ERR_PTR(-EINVAL); - - srq = kzalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); + return -EINVAL; mutex_init(&srq->mutex); spin_lock_init(&srq->lock); @@ -249,17 +245,13 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, if (udata) { struct hns_roce_ib_create_srq ucmd; - if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { - ret = -EFAULT; - goto err_srq; - } + if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) + return -EFAULT; srq->umem = ib_umem_get(udata, ucmd.buf_addr, srq_buf_size, 0, 0); - if (IS_ERR(srq->umem)) { - ret = PTR_ERR(srq->umem); - goto err_srq; - } + if (IS_ERR(srq->umem)) + return PTR_ERR(srq->umem); if (hr_dev->caps.srqwqe_buf_pg_sz) { npages = (ib_umem_page_count(srq->umem) + @@ -321,11 +313,9 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, } else { page_shift = PAGE_SHIFT + hr_dev->caps.srqwqe_buf_pg_sz; if (hns_roce_buf_alloc(hr_dev, srq_buf_size, - (1 << page_shift) * 2, - &srq->buf, page_shift)) { - ret = -ENOMEM; - goto err_srq; - } + (1 << page_shift) * 2, &srq->buf, + page_shift)) + return -ENOMEM; srq->head = 0; srq->tail = srq->max - 1; @@ -340,7 +330,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, goto err_srq_mtt; page_shift = PAGE_SHIFT + hr_dev->caps.idx_buf_pg_sz; - ret = hns_roce_create_idx_que(pd, srq, page_shift); + ret = hns_roce_create_idx_que(ib_srq->pd, srq, page_shift); if (ret) { dev_err(hr_dev->dev, "Create idx queue fail(%d)!\n", ret); @@ -372,7 +362,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, srq->db_reg_l = hr_dev->reg_base + SRQ_DB_REG; - ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(pd)->pdn, cqn, 0, + ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(ib_srq->pd)->pdn, cqn, 0, &srq->mtt, 0, srq); if (ret) goto err_wrid; @@ -389,7 +379,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd, } } - return &srq->ibsrq; + return 0; err_srqc_alloc: hns_roce_srq_free(hr_dev, srq); @@ -418,12 +408,10 @@ err_buf: else hns_roce_buf_free(hr_dev, srq_buf_size, &srq->buf); -err_srq: - kfree(srq); - return ERR_PTR(ret); + return ret; } -int hns_roce_destroy_srq(struct ib_srq *ibsrq) +void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); struct hns_roce_srq *srq = to_hr_srq(ibsrq); @@ -440,10 +428,6 @@ int hns_roce_destroy_srq(struct ib_srq *ibsrq) hns_roce_buf_free(hr_dev, srq->max << srq->wqe_shift, &srq->buf); } - - kfree(srq); - - return 0; } int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev) |