From 68e326dea1dba935f6a5299a24343a58b33eed10 Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Wed, 3 Apr 2019 16:42:43 +0300 Subject: RDMA: Handle SRQ allocations by IB/core Convert SRQ allocation from drivers to be in the IB/core Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/qedr/main.c | 1 + drivers/infiniband/hw/qedr/verbs.c | 32 +++++++++++--------------------- drivers/infiniband/hw/qedr/verbs.h | 7 +++---- 3 files changed, 15 insertions(+), 25 deletions(-) (limited to 'drivers/infiniband/hw/qedr') diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index f32ea7052c48..cbcdc5c669c6 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -241,6 +241,7 @@ static const struct ib_device_ops qedr_dev_ops = { INIT_RDMA_OBJ_SIZE(ib_ah, qedr_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_pd, qedr_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, qedr_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, qedr_ucontext, ibucontext), }; diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 8ea06856e7b9..5e92b6229da2 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -1267,7 +1267,7 @@ static void qedr_set_roce_db_info(struct qedr_dev *dev, struct qedr_qp *qp) } } -static int qedr_check_srq_params(struct ib_pd *ibpd, struct qedr_dev *dev, +static int qedr_check_srq_params(struct qedr_dev *dev, struct ib_srq_init_attr *attrs, struct ib_udata *udata) { @@ -1383,33 +1383,28 @@ err0: return rc; } -struct ib_srq *qedr_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { struct qed_rdma_destroy_srq_in_params destroy_in_params; struct qed_rdma_create_srq_in_params in_params = {}; - struct qedr_dev *dev = get_qedr_dev(ibpd->device); + struct qedr_dev *dev = get_qedr_dev(ibsrq->device); struct qed_rdma_create_srq_out_params out_params; - struct qedr_pd *pd = get_qedr_pd(ibpd); + struct qedr_pd *pd = get_qedr_pd(ibsrq->pd); struct qedr_create_srq_ureq ureq = {}; u64 pbl_base_addr, phy_prod_pair_addr; struct qedr_srq_hwq_info *hw_srq; u32 page_cnt, page_size; - struct qedr_srq *srq; + struct qedr_srq *srq = get_qedr_srq(ibsrq); int rc = 0; DP_DEBUG(dev, QEDR_MSG_QP, "create SRQ called from %s (pd %p)\n", (udata) ? "User lib" : "kernel", pd); - rc = qedr_check_srq_params(ibpd, dev, init_attr, udata); + rc = qedr_check_srq_params(dev, init_attr, udata); if (rc) - return ERR_PTR(-EINVAL); - - srq = kzalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); + return -EINVAL; srq->dev = dev; hw_srq = &srq->hw_srq; @@ -1471,7 +1466,7 @@ struct ib_srq *qedr_create_srq(struct ib_pd *ibpd, DP_DEBUG(dev, QEDR_MSG_SRQ, "create srq: created srq with srq_id=0x%0x\n", srq->srq_id); - return &srq->ibsrq; + return 0; err2: destroy_in_params.srq_id = srq->srq_id; @@ -1483,12 +1478,10 @@ err1: else qedr_free_srq_kernel_params(srq); err0: - kfree(srq); - - return ERR_PTR(-EFAULT); + return -EFAULT; } -int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) +void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { struct qed_rdma_destroy_srq_in_params in_params = {}; struct qedr_dev *dev = get_qedr_dev(ibsrq->device); @@ -1506,9 +1499,6 @@ int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) DP_DEBUG(dev, QEDR_MSG_SRQ, "destroy srq: destroyed srq with srq_id=0x%0x\n", srq->srq_id); - kfree(srq); - - return 0; } int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, diff --git a/drivers/infiniband/hw/qedr/verbs.h b/drivers/infiniband/hw/qedr/verbs.h index 772af35a5055..9328c80375ef 100644 --- a/drivers/infiniband/hw/qedr/verbs.h +++ b/drivers/infiniband/hw/qedr/verbs.h @@ -64,13 +64,12 @@ int qedr_query_qp(struct ib_qp *, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *); int qedr_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); -struct ib_srq *qedr_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *attr, - struct ib_udata *udata); +int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *attr, + struct ib_udata *udata); int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int qedr_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr); -int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); +void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); int qedr_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_recv_wr); int qedr_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr, u32 flags, -- cgit v1.2.3