diff options
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c')
-rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c | 43 |
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c index 951d9d68107a..6cac0c88cf39 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c @@ -94,19 +94,18 @@ int pvrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) * @init_attr: shared receive queue attributes * @udata: user data * - * @return: the ib_srq pointer on success, otherwise returns an errno. + * @return: 0 on success, otherwise returns an errno. */ -struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { - struct pvrdma_srq *srq = NULL; - struct pvrdma_dev *dev = to_vdev(pd->device); + struct pvrdma_srq *srq = to_vsrq(ibsrq); + struct pvrdma_dev *dev = to_vdev(ibsrq->device); union pvrdma_cmd_req req; union pvrdma_cmd_resp rsp; struct pvrdma_cmd_create_srq *cmd = &req.create_srq; struct pvrdma_cmd_create_srq_resp *resp = &rsp.create_srq_resp; - struct pvrdma_create_srq_resp srq_resp = {0}; + struct pvrdma_create_srq_resp srq_resp = {}; struct pvrdma_create_srq ucmd; unsigned long flags; int ret; @@ -115,31 +114,25 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, /* No support for kernel clients. */ dev_warn(&dev->pdev->dev, "no shared receive queue support for kernel client\n"); - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; } if (init_attr->srq_type != IB_SRQT_BASIC) { dev_warn(&dev->pdev->dev, "shared receive queue type %d not supported\n", init_attr->srq_type); - return ERR_PTR(-EINVAL); + return -EINVAL; } if (init_attr->attr.max_wr > dev->dsr->caps.max_srq_wr || init_attr->attr.max_sge > dev->dsr->caps.max_srq_sge) { dev_warn(&dev->pdev->dev, "shared receive queue size invalid\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } if (!atomic_add_unless(&dev->num_srqs, 1, dev->dsr->caps.max_srq)) - return ERR_PTR(-ENOMEM); - - srq = kmalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) { - ret = -ENOMEM; - goto err_srq; - } + return -ENOMEM; spin_lock_init(&srq->lock); refcount_set(&srq->refcnt, 1); @@ -181,7 +174,7 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, cmd->hdr.cmd = PVRDMA_CMD_CREATE_SRQ; cmd->srq_type = init_attr->srq_type; cmd->nchunks = srq->npages; - cmd->pd_handle = to_vpd(pd)->pd_handle; + cmd->pd_handle = to_vpd(ibsrq->pd)->pd_handle; cmd->attrs.max_wr = init_attr->attr.max_wr; cmd->attrs.max_sge = init_attr->attr.max_sge; cmd->attrs.srq_limit = init_attr->attr.srq_limit; @@ -204,21 +197,20 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, /* Copy udata back. */ if (ib_copy_to_udata(udata, &srq_resp, sizeof(srq_resp))) { dev_warn(&dev->pdev->dev, "failed to copy back udata\n"); - pvrdma_destroy_srq(&srq->ibsrq); - return ERR_PTR(-EINVAL); + pvrdma_destroy_srq(&srq->ibsrq, udata); + return -EINVAL; } - return &srq->ibsrq; + return 0; err_page_dir: pvrdma_page_dir_cleanup(dev, &srq->pdir); err_umem: ib_umem_release(srq->umem); err_srq: - kfree(srq); atomic_dec(&dev->num_srqs); - return ERR_PTR(ret); + return ret; } static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq) @@ -246,10 +238,11 @@ static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq) /** * pvrdma_destroy_srq - destroy shared receive queue * @srq: the shared receive queue to destroy + * @udata: user data or null for kernel object * * @return: 0 for success. */ -int pvrdma_destroy_srq(struct ib_srq *srq) +void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { struct pvrdma_srq *vsrq = to_vsrq(srq); union pvrdma_cmd_req req; @@ -268,8 +261,6 @@ int pvrdma_destroy_srq(struct ib_srq *srq) ret); pvrdma_free_srq(dev, vsrq); - - return 0; } /** |