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/core/device.c | 1 + drivers/infiniband/core/uverbs_cmd.c | 12 +++- drivers/infiniband/core/verbs.c | 78 ++++++++++++------------- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 32 ++++------ drivers/infiniband/hw/bnxt_re/ib_verbs.h | 10 ++-- drivers/infiniband/hw/bnxt_re/main.c | 1 + drivers/infiniband/hw/bnxt_re/qplib_fp.c | 12 ++-- drivers/infiniband/hw/bnxt_re/qplib_fp.h | 4 +- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 7 +-- drivers/infiniband/hw/cxgb4/provider.c | 1 + drivers/infiniband/hw/cxgb4/qp.c | 32 ++++------ drivers/infiniband/hw/hns/hns_roce_device.h | 8 +-- drivers/infiniband/hw/hns/hns_roce_main.c | 2 + drivers/infiniband/hw/hns/hns_roce_srq.c | 52 ++++++----------- drivers/infiniband/hw/mlx4/main.c | 1 + drivers/infiniband/hw/mlx4/mlx4_ib.h | 7 +-- drivers/infiniband/hw/mlx4/srq.c | 47 +++++---------- drivers/infiniband/hw/mlx5/main.c | 36 ++++++++---- drivers/infiniband/hw/mlx5/mlx5_ib.h | 7 +-- drivers/infiniband/hw/mlx5/srq.c | 59 ++++++++----------- drivers/infiniband/hw/mlx5/srq.h | 2 +- drivers/infiniband/hw/mlx5/srq_cmd.c | 8 +-- drivers/infiniband/hw/mthca/mthca_provider.c | 53 +++++++---------- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 8 +-- drivers/infiniband/hw/ocrdma/ocrdma_hw.h | 2 +- drivers/infiniband/hw/ocrdma/ocrdma_main.c | 2 + drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 47 +++++++-------- drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 6 +- drivers/infiniband/hw/qedr/main.c | 1 + drivers/infiniband/hw/qedr/verbs.c | 32 ++++------ drivers/infiniband/hw/qedr/verbs.h | 7 +-- drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 2 + drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c | 40 +++++-------- drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h | 7 +-- drivers/infiniband/sw/rdmavt/srq.c | 43 +++++--------- drivers/infiniband/sw/rdmavt/srq.h | 7 +-- drivers/infiniband/sw/rdmavt/vt.c | 1 + drivers/infiniband/sw/rxe/rxe_pool.c | 2 +- drivers/infiniband/sw/rxe/rxe_verbs.c | 31 ++++------ drivers/infiniband/sw/rxe/rxe_verbs.h | 2 +- 40 files changed, 303 insertions(+), 409 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index b5fad8a68a35..88c4238bbee1 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2224,6 +2224,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops) SET_OBJ_SIZE(dev_ops, ib_ah); SET_OBJ_SIZE(dev_ops, ib_pd); + SET_OBJ_SIZE(dev_ops, ib_srq); SET_OBJ_SIZE(dev_ops, ib_ucontext); } EXPORT_SYMBOL(ib_set_device_ops); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 89b0f5420dfe..04d08135b374 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3409,9 +3409,9 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, obj->uevent.events_reported = 0; INIT_LIST_HEAD(&obj->uevent.event_list); - srq = pd->device->ops.create_srq(pd, &attr, udata); - if (IS_ERR(srq)) { - ret = PTR_ERR(srq); + srq = rdma_zalloc_drv_obj(ib_dev, ib_srq); + if (!srq) { + ret = -ENOMEM; goto err_put; } @@ -3422,6 +3422,10 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, srq->event_handler = attr.event_handler; srq->srq_context = attr.srq_context; + ret = pd->device->ops.create_srq(srq, &attr, udata); + if (ret) + goto err_free; + if (ib_srq_has_cq(cmd->srq_type)) { srq->ext.cq = attr.ext.cq; atomic_inc(&attr.ext.cq->usecnt); @@ -3461,6 +3465,8 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, err_copy: ib_destroy_srq_user(srq, &attrs->driver_udata); +err_free: + kfree(srq); err_put: uobj_put_obj_read(pd); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 6172019481a4..7313edc9f091 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -964,29 +964,40 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *srq_init_attr) { struct ib_srq *srq; + int ret; if (!pd->device->ops.create_srq) return ERR_PTR(-EOPNOTSUPP); - srq = pd->device->ops.create_srq(pd, srq_init_attr, NULL); - - if (!IS_ERR(srq)) { - srq->device = pd->device; - srq->pd = pd; - srq->uobject = NULL; - srq->event_handler = srq_init_attr->event_handler; - srq->srq_context = srq_init_attr->srq_context; - srq->srq_type = srq_init_attr->srq_type; - if (ib_srq_has_cq(srq->srq_type)) { - srq->ext.cq = srq_init_attr->ext.cq; - atomic_inc(&srq->ext.cq->usecnt); - } - if (srq->srq_type == IB_SRQT_XRC) { - srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd; - atomic_inc(&srq->ext.xrc.xrcd->usecnt); - } - atomic_inc(&pd->usecnt); - atomic_set(&srq->usecnt, 0); + srq = rdma_zalloc_drv_obj(pd->device, ib_srq); + if (!srq) + return ERR_PTR(-ENOMEM); + + srq->device = pd->device; + srq->pd = pd; + srq->event_handler = srq_init_attr->event_handler; + srq->srq_context = srq_init_attr->srq_context; + srq->srq_type = srq_init_attr->srq_type; + + if (ib_srq_has_cq(srq->srq_type)) { + srq->ext.cq = srq_init_attr->ext.cq; + atomic_inc(&srq->ext.cq->usecnt); + } + if (srq->srq_type == IB_SRQT_XRC) { + srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd; + atomic_inc(&srq->ext.xrc.xrcd->usecnt); + } + atomic_inc(&pd->usecnt); + + ret = pd->device->ops.create_srq(srq, srq_init_attr, NULL); + if (ret) { + atomic_dec(&srq->pd->usecnt); + if (srq->srq_type == IB_SRQT_XRC) + atomic_dec(&srq->ext.xrc.xrcd->usecnt); + if (ib_srq_has_cq(srq->srq_type)) + atomic_dec(&srq->ext.cq->usecnt); + kfree(srq); + return ERR_PTR(ret); } return srq; @@ -1013,32 +1024,19 @@ EXPORT_SYMBOL(ib_query_srq); int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata) { - struct ib_pd *pd; - enum ib_srq_type srq_type; - struct ib_xrcd *uninitialized_var(xrcd); - struct ib_cq *uninitialized_var(cq); - int ret; - if (atomic_read(&srq->usecnt)) return -EBUSY; - pd = srq->pd; - srq_type = srq->srq_type; - if (ib_srq_has_cq(srq_type)) - cq = srq->ext.cq; - if (srq_type == IB_SRQT_XRC) - xrcd = srq->ext.xrc.xrcd; + srq->device->ops.destroy_srq(srq, udata); - ret = srq->device->ops.destroy_srq(srq, udata); - if (!ret) { - atomic_dec(&pd->usecnt); - if (srq_type == IB_SRQT_XRC) - atomic_dec(&xrcd->usecnt); - if (ib_srq_has_cq(srq_type)) - atomic_dec(&cq->usecnt); - } + atomic_dec(&srq->pd->usecnt); + if (srq->srq_type == IB_SRQT_XRC) + atomic_dec(&srq->ext.xrc.xrcd->usecnt); + if (ib_srq_has_cq(srq->srq_type)) + atomic_dec(&srq->ext.cq->usecnt); + kfree(srq); - return ret; + return 0; } EXPORT_SYMBOL(ib_destroy_srq_user); diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index a9e2e29d7ad0..dc53604171a0 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -1305,30 +1305,22 @@ static enum ib_mtu __to_ib_mtu(u32 mtu) } /* Shared Receive Queues */ -int bnxt_re_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata) +void bnxt_re_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata) { struct bnxt_re_srq *srq = container_of(ib_srq, struct bnxt_re_srq, ib_srq); struct bnxt_re_dev *rdev = srq->rdev; struct bnxt_qplib_srq *qplib_srq = &srq->qplib_srq; struct bnxt_qplib_nq *nq = NULL; - int rc; if (qplib_srq->cq) nq = qplib_srq->cq->nq; - rc = bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq); - if (rc) { - dev_err(rdev_to_dev(rdev), "Destroy HW SRQ failed!"); - return rc; - } - + bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq); if (srq->umem) ib_umem_release(srq->umem); - kfree(srq); atomic_dec(&rdev->srq_count); if (nq) nq->budget--; - return 0; } static int bnxt_re_init_user_srq(struct bnxt_re_dev *rdev, @@ -1362,14 +1354,16 @@ static int bnxt_re_init_user_srq(struct bnxt_re_dev *rdev, return 0; } -struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata) +int bnxt_re_create_srq(struct ib_srq *ib_srq, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata) { + struct ib_pd *ib_pd = ib_srq->pd; struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd); struct bnxt_re_dev *rdev = pd->rdev; struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; - struct bnxt_re_srq *srq; + struct bnxt_re_srq *srq = + container_of(ib_srq, struct bnxt_re_srq, ib_srq); struct bnxt_qplib_nq *nq = NULL; int rc, entries; @@ -1384,11 +1378,6 @@ struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd, goto exit; } - srq = kzalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) { - rc = -ENOMEM; - goto exit; - } srq->rdev = rdev; srq->qplib_srq.pd = &pd->qplib_pd; srq->qplib_srq.dpi = &rdev->dpi_privileged; @@ -1434,14 +1423,13 @@ struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd, nq->budget++; atomic_inc(&rdev->srq_count); - return &srq->ib_srq; + return 0; fail: if (srq->umem) ib_umem_release(srq->umem); - kfree(srq); exit: - return ERR_PTR(rc); + return rc; } int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr, diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index 953da89e5ec0..bd4fa22985eb 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -69,9 +69,9 @@ struct bnxt_re_ah { }; struct bnxt_re_srq { + struct ib_srq ib_srq; struct bnxt_re_dev *rdev; u32 srq_limit; - struct ib_srq ib_srq; struct bnxt_qplib_srq qplib_srq; struct ib_umem *umem; spinlock_t lock; /* protect srq */ @@ -170,14 +170,14 @@ int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags, int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); void bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags); -struct ib_srq *bnxt_re_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata); +int bnxt_re_create_srq(struct ib_srq *srq, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata); int bnxt_re_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); int bnxt_re_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); -int bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); +void bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); int bnxt_re_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *recv_wr, const struct ib_recv_wr **bad_recv_wr); struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd, diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index ec22853f8363..bbdfbbf5e9a5 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -639,6 +639,7 @@ static const struct ib_device_ops bnxt_re_dev_ops = { .req_notify_cq = bnxt_re_req_notify_cq, INIT_RDMA_OBJ_SIZE(ib_ah, bnxt_re_ah, ib_ah), INIT_RDMA_OBJ_SIZE(ib_pd, bnxt_re_pd, ib_pd), + INIT_RDMA_OBJ_SIZE(ib_srq, bnxt_re_srq, ib_srq), INIT_RDMA_OBJ_SIZE(ib_ucontext, bnxt_re_ucontext, ib_uctx), }; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index f034cab303f6..958c1ff9c515 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -507,7 +507,7 @@ static void bnxt_qplib_arm_srq(struct bnxt_qplib_srq *srq, u32 arm_type) writeq(val, db); } -int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, +void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; @@ -521,14 +521,12 @@ int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, /* Configure the request */ req.srq_cid = cpu_to_le32(srq->id); - rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - (void *)&resp, NULL, 0); + rc = bnxt_qplib_rcfw_send_message(rcfw, (struct cmdq_base *)&req, + (struct creq_base *)&resp, NULL, 0); + kfree(srq->swq); if (rc) - return rc; - + return; bnxt_qplib_free_hwq(res->pdev, &srq->hwq); - kfree(srq->swq); - return 0; } int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 31436af2a4ec..99e0a13cbefa 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -518,8 +518,8 @@ int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); int bnxt_qplib_query_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); -int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, - struct bnxt_qplib_srq *srq); +void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, + struct bnxt_qplib_srq *srq); int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq, struct bnxt_qplib_swqe *wqe); int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 4b721a261053..916ef982172e 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -1000,10 +1000,9 @@ int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); int c4iw_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *attr, enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); -int c4iw_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata); -struct ib_srq *c4iw_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *attrs, - struct ib_udata *udata); +void c4iw_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata); +int c4iw_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attrs, + struct ib_udata *udata); int c4iw_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata); struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs, diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 0fbad47661cc..74ffc24321cd 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -545,6 +545,7 @@ static const struct ib_device_ops c4iw_dev_ops = { .reg_user_mr = c4iw_reg_user_mr, .req_notify_cq = c4iw_arm_cq, INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, c4iw_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, c4iw_ucontext, ibucontext), }; diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 63780e6eface..9c8962d7bf97 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -2683,11 +2683,12 @@ void c4iw_copy_wr_to_srq(struct t4_srq *srq, union t4_recv_wr *wqe, u8 len16) } } -struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs, +int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs, struct ib_udata *udata) { + struct ib_pd *pd = ib_srq->pd; struct c4iw_dev *rhp; - struct c4iw_srq *srq; + struct c4iw_srq *srq = to_c4iw_srq(ib_srq); struct c4iw_pd *php; struct c4iw_create_srq_resp uresp; struct c4iw_ucontext *ucontext; @@ -2702,11 +2703,11 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs, rhp = php->rhp; if (!rhp->rdev.lldi.vr->srq.size) - return ERR_PTR(-EINVAL); + return -EINVAL; if (attrs->attr.max_wr > rhp->rdev.hw_queue.t4_max_rq_size) - return ERR_PTR(-E2BIG); + return -E2BIG; if (attrs->attr.max_sge > T4_MAX_RECV_SGE) - return ERR_PTR(-E2BIG); + return -E2BIG; /* * SRQ RQT and RQ must be a power of 2 and at least 16 deep. @@ -2717,15 +2718,9 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs, ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext, ibucontext); - srq = kzalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); - srq->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL); - if (!srq->wr_waitp) { - ret = -ENOMEM; - goto err_free_srq; - } + if (!srq->wr_waitp) + return -ENOMEM; srq->idx = c4iw_alloc_srq_idx(&rhp->rdev); if (srq->idx < 0) { @@ -2805,7 +2800,8 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs, (unsigned long)srq->wq.memsize, attrs->attr.max_wr); spin_lock_init(&srq->lock); - return &srq->ibsrq; + return 0; + err_free_srq_db_key_mm: kfree(srq_db_key_mm); err_free_srq_key_mm: @@ -2821,12 +2817,10 @@ err_free_srq_idx: c4iw_free_srq_idx(&rhp->rdev, srq->idx); err_free_wr_wait: c4iw_put_wr_wait(srq->wr_waitp); -err_free_srq: - kfree(srq); - return ERR_PTR(ret); + return ret; } -int c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) +void c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { struct c4iw_dev *rhp; struct c4iw_srq *srq; @@ -2844,6 +2838,4 @@ int c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) srq->wr_waitp); c4iw_free_srq_idx(&rhp->rdev, srq->idx); c4iw_put_wr_wait(srq->wr_waitp); - kfree(srq); - return 0; } diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index e424dcca2c74..88a5a9ac7350 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -1142,13 +1142,13 @@ int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct, int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt, struct ib_umem *umem); -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 *srq, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata); int hns_roce_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); -int hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); +void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd, struct ib_qp_init_attr *init_attr, diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 176bade523ea..e85b31a72eea 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -491,6 +491,8 @@ static const struct ib_device_ops hns_roce_dev_frmr_ops = { static const struct ib_device_ops hns_roce_dev_srq_ops = { .create_srq = hns_roce_create_srq, .destroy_srq = hns_roce_destroy_srq, + + INIT_RDMA_OBJ_SIZE(ib_srq, hns_roce_srq, ibsrq), }; static int hns_roce_register_device(struct hns_roce_dev *hr_dev) diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c index 5874dbb391fd..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, struct ib_udata *udata) +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, struct ib_udata *udata) 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) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 27f38897ca9e..25d09d53b51c 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2561,6 +2561,7 @@ static const struct ib_device_ops mlx4_ib_dev_ops = { INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, mlx4_ib_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx4_ib_ucontext, ibucontext), }; diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 14ca042ea715..26897102057d 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -759,13 +759,12 @@ int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags); -struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata); +int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata); int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); -int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); +void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index 94c3c334a672..4bf2946b9759 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -69,14 +69,14 @@ static void mlx4_ib_srq_event(struct mlx4_srq *srq, enum mlx4_event type) } } -struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +int mlx4_ib_create_srq(struct ib_srq *ib_srq, + struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { - struct mlx4_ib_dev *dev = to_mdev(pd->device); + struct mlx4_ib_dev *dev = to_mdev(ib_srq->device); struct mlx4_ib_ucontext *ucontext = rdma_udata_to_drv_context( udata, struct mlx4_ib_ucontext, ibucontext); - struct mlx4_ib_srq *srq; + struct mlx4_ib_srq *srq = to_msrq(ib_srq); struct mlx4_wqe_srq_next_seg *next; struct mlx4_wqe_data_seg *scatter; u32 cqn; @@ -89,11 +89,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, /* Sanity check SRQ size before proceeding */ if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes || init_attr->attr.max_sge > dev->dev->caps.max_srq_sge) - return ERR_PTR(-EINVAL); - - srq = kmalloc(sizeof *srq, GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); + return -EINVAL; mutex_init(&srq->mutex); spin_lock_init(&srq->lock); @@ -111,16 +107,12 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, if (udata) { struct mlx4_ib_create_srq ucmd; - if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) { - err = -EFAULT; - goto err_srq; - } + if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) + return -EFAULT; srq->umem = ib_umem_get(udata, ucmd.buf_addr, buf_size, 0, 0); - if (IS_ERR(srq->umem)) { - err = PTR_ERR(srq->umem); - goto err_srq; - } + if (IS_ERR(srq->umem)) + return PTR_ERR(srq->umem); err = mlx4_mtt_init(dev->dev, ib_umem_page_count(srq->umem), srq->umem->page_shift, &srq->mtt); @@ -137,7 +129,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, } else { err = mlx4_db_alloc(dev->dev, &srq->db, 0); if (err) - goto err_srq; + return err; *srq->db.db = 0; @@ -184,8 +176,8 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 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); + err = mlx4_srq_alloc(dev->dev, to_mpd(ib_srq->pd)->pdn, cqn, xrcdn, + &srq->mtt, srq->db.dma, &srq->msrq); if (err) goto err_wrid; @@ -200,7 +192,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, init_attr->attr.max_wr = srq->msrq.max - 1; - return &srq->ibsrq; + return 0; err_wrid: if (udata) @@ -221,10 +213,7 @@ err_db: if (!udata) mlx4_db_free(dev->dev, &srq->db); -err_srq: - kfree(srq); - - return ERR_PTR(err); + return err; } int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, @@ -271,7 +260,7 @@ int mlx4_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) return 0; } -int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) +void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { struct mlx4_ib_dev *dev = to_mdev(srq->device); struct mlx4_ib_srq *msrq = to_msrq(srq); @@ -293,10 +282,6 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) &msrq->buf); mlx4_db_free(dev->dev, &msrq->db); } - - kfree(msrq); - - return 0; } void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index f4827d12677a..06578e8a9787 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4795,19 +4795,21 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) attr.ext.cq = devr->c0; attr.ext.xrc.xrcd = devr->x0; - devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); - if (IS_ERR(devr->s0)) { - ret = PTR_ERR(devr->s0); + devr->s0 = rdma_zalloc_drv_obj(ibdev, ib_srq); + if (!devr->s0) { + ret = -ENOMEM; goto error4; } + devr->s0->device = &dev->ib_dev; devr->s0->pd = devr->p0; - devr->s0->uobject = NULL; - devr->s0->event_handler = NULL; - devr->s0->srq_context = NULL; devr->s0->srq_type = IB_SRQT_XRC; devr->s0->ext.xrc.xrcd = devr->x0; devr->s0->ext.cq = devr->c0; + ret = mlx5_ib_create_srq(devr->s0, &attr, NULL); + if (ret) + goto err_create; + atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); atomic_inc(&devr->s0->ext.cq->usecnt); atomic_inc(&devr->p0->usecnt); @@ -4817,18 +4819,21 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) attr.attr.max_sge = 1; attr.attr.max_wr = 1; attr.srq_type = IB_SRQT_BASIC; - devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); - if (IS_ERR(devr->s1)) { - ret = PTR_ERR(devr->s1); + devr->s1 = rdma_zalloc_drv_obj(ibdev, ib_srq); + if (!devr->s1) { + ret = -ENOMEM; goto error5; } + devr->s1->device = &dev->ib_dev; devr->s1->pd = devr->p0; - devr->s1->uobject = NULL; - devr->s1->event_handler = NULL; - devr->s1->srq_context = NULL; devr->s1->srq_type = IB_SRQT_BASIC; devr->s1->ext.cq = devr->c0; + + ret = mlx5_ib_create_srq(devr->s1, &attr, NULL); + if (ret) + goto error6; + atomic_inc(&devr->p0->usecnt); atomic_set(&devr->s1->usecnt, 0); @@ -4840,8 +4845,12 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) return 0; +error6: + kfree(devr->s1); error5: mlx5_ib_destroy_srq(devr->s0, NULL); +err_create: + kfree(devr->s0); error4: mlx5_ib_dealloc_xrcd(devr->x1, NULL); error3: @@ -4862,7 +4871,9 @@ static void destroy_dev_resources(struct mlx5_ib_resources *devr) int port; mlx5_ib_destroy_srq(devr->s1, NULL); + kfree(devr->s1); mlx5_ib_destroy_srq(devr->s0, NULL); + kfree(devr->s0); mlx5_ib_dealloc_xrcd(devr->x0, NULL); mlx5_ib_dealloc_xrcd(devr->x1, NULL); mlx5_ib_destroy_cq(devr->c0, NULL); @@ -5989,6 +6000,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = { INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, mlx5_ib_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext), }; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 5b4206653fdb..3e8d54618c78 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1058,13 +1058,12 @@ int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags, struct ib_udata *udata); int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags); -struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata); +int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata); int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr); -int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); +void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp); diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 2e389f3444c6..4e7fde86c96b 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -214,16 +214,16 @@ static void destroy_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq) mlx5_db_free(dev->mdev, &srq->db); } -struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +int mlx5_ib_create_srq(struct ib_srq *ib_srq, + struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { - struct mlx5_ib_dev *dev = to_mdev(pd->device); - struct mlx5_ib_srq *srq; + struct mlx5_ib_dev *dev = to_mdev(ib_srq->device); + struct mlx5_ib_srq *srq = to_msrq(ib_srq); size_t desc_size; size_t buf_size; int err; - struct mlx5_srq_attr in = {0}; + struct mlx5_srq_attr in = {}; __u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); /* Sanity check SRQ size before proceeding */ @@ -231,13 +231,9 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, mlx5_ib_dbg(dev, "max_wr %d, cap %d\n", init_attr->attr.max_wr, max_srq_wqes); - return ERR_PTR(-EINVAL); + return -EINVAL; } - srq = kmalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); - mutex_init(&srq->mutex); spin_lock_init(&srq->lock); srq->msrq.max = roundup_pow_of_two(init_attr->attr.max_wr + 1); @@ -245,35 +241,32 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, desc_size = sizeof(struct mlx5_wqe_srq_next_seg) + srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg); - if (desc_size == 0 || srq->msrq.max_gs > desc_size) { - err = -EINVAL; - goto err_srq; - } + if (desc_size == 0 || srq->msrq.max_gs > desc_size) + return -EINVAL; + desc_size = roundup_pow_of_two(desc_size); desc_size = max_t(size_t, 32, desc_size); - if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) { - err = -EINVAL; - goto err_srq; - } + if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) + return -EINVAL; + srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) / sizeof(struct mlx5_wqe_data_seg); srq->msrq.wqe_shift = ilog2(desc_size); buf_size = srq->msrq.max * desc_size; - if (buf_size < desc_size) { - err = -EINVAL; - goto err_srq; - } + if (buf_size < desc_size) + return -EINVAL; + in.type = init_attr->srq_type; if (udata) - err = create_srq_user(pd, srq, &in, udata, buf_size); + err = create_srq_user(ib_srq->pd, srq, &in, udata, buf_size); else err = create_srq_kernel(dev, srq, &in, buf_size); if (err) { mlx5_ib_warn(dev, "create srq %s failed, err %d\n", udata ? "user" : "kernel", err); - goto err_srq; + return err; } in.log_size = ilog2(srq->msrq.max); @@ -303,7 +296,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, else in.cqn = to_mcq(dev->devr.c0)->mcq.cqn; - in.pd = to_mpd(pd)->pdn; + in.pd = to_mpd(ib_srq->pd)->pdn; in.db_record = srq->db.dma; err = mlx5_cmd_create_srq(dev, &srq->msrq, &in); kvfree(in.pas); @@ -326,21 +319,18 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, init_attr->attr.max_wr = srq->msrq.max - 1; - return &srq->ibsrq; + return 0; err_core: mlx5_cmd_destroy_srq(dev, &srq->msrq); err_usr_kern_srq: if (udata) - destroy_srq_user(pd, srq, udata); + destroy_srq_user(ib_srq->pd, srq, udata); else destroy_srq_kernel(dev, srq); -err_srq: - kfree(srq); - - return ERR_PTR(err); + return err; } int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, @@ -393,7 +383,7 @@ out_box: return ret; } -int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) +void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(srq->device); struct mlx5_ib_srq *msrq = to_msrq(srq); @@ -411,9 +401,6 @@ int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) } else { destroy_srq_kernel(dev, msrq); } - - kfree(srq); - return 0; } void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index) diff --git a/drivers/infiniband/hw/mlx5/srq.h b/drivers/infiniband/hw/mlx5/srq.h index 2c3627b2509d..af197c36d757 100644 --- a/drivers/infiniband/hw/mlx5/srq.h +++ b/drivers/infiniband/hw/mlx5/srq.h @@ -56,7 +56,7 @@ struct mlx5_srq_table { int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *in); -int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq); +void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq); int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *out); int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, diff --git a/drivers/infiniband/hw/mlx5/srq_cmd.c b/drivers/infiniband/hw/mlx5/srq_cmd.c index 1e04319684f4..b0d0687c7a68 100644 --- a/drivers/infiniband/hw/mlx5/srq_cmd.c +++ b/drivers/infiniband/hw/mlx5/srq_cmd.c @@ -607,7 +607,7 @@ err_destroy_srq_split: return err; } -int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq) +void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq) { struct mlx5_srq_table *table = &dev->srq_table; struct mlx5_core_srq *tmp; @@ -615,16 +615,14 @@ int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq) tmp = xa_erase_irq(&table->array, srq->srqn); if (!tmp || tmp != srq) - return -EINVAL; + return; err = destroy_srq_split(dev, srq); if (err) - return err; + return; mlx5_core_res_put(&srq->common); wait_for_completion(&srq->common.free); - - return 0; } int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 6fc371a9e45f..4f40dfedf920 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -403,65 +403,53 @@ static void mthca_ah_destroy(struct ib_ah *ah, u32 flags) mthca_destroy_ah(to_mdev(ah->device), to_mah(ah)); } -static struct ib_srq *mthca_create_srq(struct ib_pd *pd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +static int mthca_create_srq(struct ib_srq *ibsrq, + struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { struct mthca_create_srq ucmd; struct mthca_ucontext *context = rdma_udata_to_drv_context( udata, struct mthca_ucontext, ibucontext); - struct mthca_srq *srq; + struct mthca_srq *srq = to_msrq(ibsrq); int err; if (init_attr->srq_type != IB_SRQT_BASIC) - return ERR_PTR(-EOPNOTSUPP); - - srq = kmalloc(sizeof *srq, GFP_KERNEL); - if (!srq) - return ERR_PTR(-ENOMEM); + return -EOPNOTSUPP; if (udata) { - if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) { - err = -EFAULT; - goto err_free; - } + if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) + return -EFAULT; - err = mthca_map_user_db(to_mdev(pd->device), &context->uar, + err = mthca_map_user_db(to_mdev(ibsrq->device), &context->uar, context->db_tab, ucmd.db_index, ucmd.db_page); if (err) - goto err_free; + return err; srq->mr.ibmr.lkey = ucmd.lkey; srq->db_index = ucmd.db_index; } - err = mthca_alloc_srq(to_mdev(pd->device), to_mpd(pd), + err = mthca_alloc_srq(to_mdev(ibsrq->device), to_mpd(ibsrq->pd), &init_attr->attr, srq, udata); if (err && udata) - mthca_unmap_user_db(to_mdev(pd->device), &context->uar, + mthca_unmap_user_db(to_mdev(ibsrq->device), &context->uar, context->db_tab, ucmd.db_index); if (err) - goto err_free; + return err; - if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) { - mthca_free_srq(to_mdev(pd->device), srq); - err = -EFAULT; - goto err_free; + if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof(__u32))) { + mthca_free_srq(to_mdev(ibsrq->device), srq); + return -EFAULT; } - return &srq->ibsrq; - -err_free: - kfree(srq); - - return ERR_PTR(err); + return 0; } -static int mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) +static void mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { if (udata) { struct mthca_ucontext *context = @@ -475,9 +463,6 @@ static int mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) } mthca_free_srq(to_mdev(srq->device), to_msrq(srq)); - kfree(srq); - - return 0; } static struct ib_qp *mthca_create_qp(struct ib_pd *pd, @@ -1210,6 +1195,8 @@ static const struct ib_device_ops mthca_dev_arbel_srq_ops = { .modify_srq = mthca_modify_srq, .post_srq_recv = mthca_arbel_post_srq_recv, .query_srq = mthca_query_srq, + + INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq), }; static const struct ib_device_ops mthca_dev_tavor_srq_ops = { @@ -1218,6 +1205,8 @@ static const struct ib_device_ops mthca_dev_tavor_srq_ops = { .modify_srq = mthca_modify_srq, .post_srq_recv = mthca_tavor_post_srq_recv, .query_srq = mthca_query_srq, + + INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq), }; static const struct ib_device_ops mthca_dev_arbel_fmr_ops = { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index e693eb352959..5d96b5a94583 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2863,21 +2863,19 @@ int ocrdma_mbx_query_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr) return status; } -int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq) +void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq) { - int status = -ENOMEM; struct ocrdma_destroy_srq *cmd; struct pci_dev *pdev = dev->nic_info.pdev; cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_SRQ, sizeof(*cmd)); if (!cmd) - return status; + return; cmd->id = srq->id; - status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); + ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); if (srq->rq.va) dma_free_coherent(&pdev->dev, srq->rq.len, srq->rq.va, srq->rq.pa); kfree(cmd); - return status; } static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype, diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index 88d45aa19ded..06ec59326a90 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -137,7 +137,7 @@ int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *, struct ocrdma_pd *); int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *); int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *); -int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *); +void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq); int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 8642a2e60be7..34d3d59f3ca7 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -191,6 +191,8 @@ static const struct ib_device_ops ocrdma_dev_srq_ops = { .modify_srq = ocrdma_modify_srq, .post_srq_recv = ocrdma_post_srq_recv, .query_srq = ocrdma_query_srq, + + INIT_RDMA_OBJ_SIZE(ib_srq, ocrdma_srq, ibsrq), }; static int ocrdma_register_device(struct ocrdma_dev *dev) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index cf7aeb963dce..ffdd3ac55086 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1805,45 +1805,43 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq, return status; } -struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *init_attr, - struct ib_udata *udata) +int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata) { - int status = -ENOMEM; - struct ocrdma_pd *pd = get_ocrdma_pd(ibpd); - struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device); - struct ocrdma_srq *srq; + int status; + struct ocrdma_pd *pd = get_ocrdma_pd(ibsrq->pd); + struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device); + struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq); if (init_attr->attr.max_sge > dev->attr.max_recv_sge) - return ERR_PTR(-EINVAL); + return -EINVAL; if (init_attr->attr.max_wr > dev->attr.max_rqe) - return ERR_PTR(-EINVAL); - - srq = kzalloc(sizeof(*srq), GFP_KERNEL); - if (!srq) - return ERR_PTR(status); + return -EINVAL; spin_lock_init(&srq->q_lock); srq->pd = pd; srq->db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size); status = ocrdma_mbx_create_srq(dev, srq, init_attr, pd); if (status) - goto err; + return status; - if (udata == NULL) { - status = -ENOMEM; + if (!udata) { srq->rqe_wr_id_tbl = kcalloc(srq->rq.max_cnt, sizeof(u64), GFP_KERNEL); - if (srq->rqe_wr_id_tbl == NULL) + if (!srq->rqe_wr_id_tbl) { + status = -ENOMEM; goto arm_err; + } srq->bit_fields_len = (srq->rq.max_cnt / 32) + (srq->rq.max_cnt % 32 ? 1 : 0); srq->idx_bit_fields = kmalloc_array(srq->bit_fields_len, sizeof(u32), GFP_KERNEL); - if (srq->idx_bit_fields == NULL) + if (!srq->idx_bit_fields) { + status = -ENOMEM; goto arm_err; + } memset(srq->idx_bit_fields, 0xff, srq->bit_fields_len * sizeof(u32)); } @@ -1860,15 +1858,13 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd, goto arm_err; } - return &srq->ibsrq; + return 0; arm_err: ocrdma_mbx_destroy_srq(dev, srq); -err: kfree(srq->rqe_wr_id_tbl); kfree(srq->idx_bit_fields); - kfree(srq); - return ERR_PTR(status); + return status; } int ocrdma_modify_srq(struct ib_srq *ibsrq, @@ -1897,15 +1893,14 @@ int ocrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) return status; } -int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) +void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { - int status; struct ocrdma_srq *srq; struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device); srq = get_ocrdma_srq(ibsrq); - status = ocrdma_mbx_destroy_srq(dev, srq); + ocrdma_mbx_destroy_srq(dev, srq); if (srq->pd->uctx) ocrdma_del_mmap(srq->pd->uctx, (u64) srq->rq.pa, @@ -1913,8 +1908,6 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) kfree(srq->idx_bit_fields); kfree(srq->rqe_wr_id_tbl); - kfree(srq); - return status; } /* unprivileged verbs and their support functions. */ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index dfdebe4e48e6..c6489a1439dc 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -91,12 +91,12 @@ int ocrdma_query_qp(struct ib_qp *, int ocrdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); void ocrdma_del_flush_qp(struct ocrdma_qp *qp); -struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *, - struct ib_udata *); +int ocrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attr, + struct ib_udata *udata); int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *, enum ib_srq_attr_mask, struct ib_udata *); int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *); -int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); +void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *, const struct ib_recv_wr **bad_recv_wr); 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, diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index 6cbc271a1b7d..823846947a5b 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -206,6 +206,8 @@ static const struct ib_device_ops pvrdma_dev_srq_ops = { .destroy_srq = pvrdma_destroy_srq, .modify_srq = pvrdma_modify_srq, .query_srq = pvrdma_query_srq, + + INIT_RDMA_OBJ_SIZE(ib_srq, pvrdma_srq, ibsrq), }; static int pvrdma_register_device(struct pvrdma_dev *dev) diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c index 21a95780e0ea..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; @@ -205,20 +198,19 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd, 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, udata); - return ERR_PTR(-EINVAL); + 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) @@ -250,7 +242,7 @@ static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq) * * @return: 0 for success. */ -int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) +void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { struct pvrdma_srq *vsrq = to_vsrq(srq); union pvrdma_cmd_req req; @@ -269,8 +261,6 @@ int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) ret); pvrdma_free_srq(dev, vsrq); - - return 0; } /** diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h index 013c73f2eba3..9d7b021e1c59 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h @@ -419,13 +419,12 @@ int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags, struct ib_udata *udata); void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags); -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 *srq, struct ib_srq_init_attr *init_attr, + struct ib_udata *udata); int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); -int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); +void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); struct ib_qp *pvrdma_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *init_attr, diff --git a/drivers/infiniband/sw/rdmavt/srq.c b/drivers/infiniband/sw/rdmavt/srq.c index 21d276eaf15a..8d6b3e764255 100644 --- a/drivers/infiniband/sw/rdmavt/srq.c +++ b/drivers/infiniband/sw/rdmavt/srq.c @@ -71,29 +71,24 @@ void rvt_driver_srq_init(struct rvt_dev_info *rdi) * @srq_init_attr: the attributes of the SRQ * @udata: data from libibverbs when creating a user SRQ * - * Return: Allocated srq object + * Return: 0 on success */ -struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata) +int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata) { - struct rvt_dev_info *dev = ib_to_rvt(ibpd->device); - struct rvt_srq *srq; + struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device); + struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq); u32 sz; - struct ib_srq *ret; + int ret; if (srq_init_attr->srq_type != IB_SRQT_BASIC) - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; if (srq_init_attr->attr.max_sge == 0 || srq_init_attr->attr.max_sge > dev->dparms.props.max_srq_sge || srq_init_attr->attr.max_wr == 0 || srq_init_attr->attr.max_wr > dev->dparms.props.max_srq_wr) - return ERR_PTR(-EINVAL); - - srq = kzalloc_node(sizeof(*srq), GFP_KERNEL, dev->dparms.node); - if (!srq) - return ERR_PTR(-ENOMEM); + return -EINVAL; /* * Need to use vmalloc() if we want to support large #s of entries. @@ -107,7 +102,7 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, vzalloc_node(sizeof(struct rvt_rwq) + srq->rq.size * sz, dev->dparms.node); if (!srq->rq.wq) { - ret = ERR_PTR(-ENOMEM); + ret = -ENOMEM; goto bail_srq; } @@ -116,21 +111,18 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, * See rvt_mmap() for details. */ if (udata && udata->outlen >= sizeof(__u64)) { - int err; u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz; srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq); if (!srq->ip) { - ret = ERR_PTR(-ENOMEM); + ret = -ENOMEM; goto bail_wq; } - err = ib_copy_to_udata(udata, &srq->ip->offset, + ret = ib_copy_to_udata(udata, &srq->ip->offset, sizeof(srq->ip->offset)); - if (err) { - ret = ERR_PTR(err); + if (ret) goto bail_ip; - } } /* @@ -142,7 +134,7 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, spin_lock(&dev->n_srqs_lock); if (dev->n_srqs_allocated == dev->dparms.props.max_srq) { spin_unlock(&dev->n_srqs_lock); - ret = ERR_PTR(-ENOMEM); + ret = -ENOMEM; goto bail_ip; } @@ -155,14 +147,13 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, spin_unlock_irq(&dev->pending_lock); } - return &srq->ibsrq; + return 0; bail_ip: kfree(srq->ip); bail_wq: vfree(srq->rq.wq); bail_srq: - kfree(srq); return ret; } @@ -334,9 +325,8 @@ int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) * rvt_destroy_srq - destory an srq * @ibsrq: srq object to destroy * - * Return always 0 */ -int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) +void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq); struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device); @@ -348,7 +338,4 @@ int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) kref_put(&srq->ip->ref, rvt_release_mmap_info); else vfree(srq->rq.wq); - kfree(srq); - - return 0; } diff --git a/drivers/infiniband/sw/rdmavt/srq.h b/drivers/infiniband/sw/rdmavt/srq.h index 69cad2f65408..6427d7d62a9a 100644 --- a/drivers/infiniband/sw/rdmavt/srq.h +++ b/drivers/infiniband/sw/rdmavt/srq.h @@ -50,13 +50,12 @@ #include void rvt_driver_srq_init(struct rvt_dev_info *rdi); -struct ib_srq *rvt_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata); +int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata); int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr); -int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); +void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata); #endif /* DEF_RVTSRQ_H */ diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index f4b3bb57ab06..9546a837a8ac 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -428,6 +428,7 @@ static const struct ib_device_ops rvt_dev_ops = { INIT_RDMA_OBJ_SIZE(ib_ah, rvt_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, rvt_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, rvt_ucontext, ibucontext), }; diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index 756bd36fd268..56cf18af016a 100644 --- a/drivers/infiniband/sw/rxe/rxe_pool.c +++ b/drivers/infiniband/sw/rxe/rxe_pool.c @@ -57,7 +57,7 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = { [RXE_TYPE_SRQ] = { .name = "rxe-srq", .size = sizeof(struct rxe_srq), - .flags = RXE_POOL_INDEX, + .flags = RXE_POOL_INDEX | RXE_POOL_NO_ALLOC, .min_index = RXE_MIN_SRQ_INDEX, .max_index = RXE_MAX_SRQ_INDEX, }, diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index a6c63a260626..8c3e2a18cfe4 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -289,19 +289,18 @@ err1: return err; } -static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd, - struct ib_srq_init_attr *init, - struct ib_udata *udata) +static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init, + struct ib_udata *udata) { int err; - struct rxe_dev *rxe = to_rdev(ibpd->device); - struct rxe_pd *pd = to_rpd(ibpd); - struct rxe_srq *srq; + struct rxe_dev *rxe = to_rdev(ibsrq->device); + struct rxe_pd *pd = to_rpd(ibsrq->pd); + struct rxe_srq *srq = to_rsrq(ibsrq); struct rxe_create_srq_resp __user *uresp = NULL; if (udata) { if (udata->outlen < sizeof(*uresp)) - return ERR_PTR(-EINVAL); + return -EINVAL; uresp = udata->outbuf; } @@ -309,13 +308,10 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd, if (err) goto err1; - srq = rxe_alloc(&rxe->srq_pool); - if (!srq) { - err = -ENOMEM; + err = rxe_add_to_pool(&rxe->srq_pool, &srq->pelem); + if (err) goto err1; - } - rxe_add_index(srq); rxe_add_ref(pd); srq->pd = pd; @@ -323,14 +319,13 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd, if (err) goto err2; - return &srq->ibsrq; + return 0; err2: rxe_drop_ref(pd); - rxe_drop_index(srq); rxe_drop_ref(srq); err1: - return ERR_PTR(err); + return err; } static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, @@ -378,7 +373,7 @@ static int rxe_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) return 0; } -static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) +static void rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) { struct rxe_srq *srq = to_rsrq(ibsrq); @@ -386,10 +381,7 @@ static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata) rxe_queue_cleanup(srq->rq.queue); rxe_drop_ref(srq->pd); - rxe_drop_index(srq); rxe_drop_ref(srq); - - return 0; } static int rxe_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, @@ -1166,6 +1158,7 @@ static const struct ib_device_ops rxe_dev_ops = { INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_srq, rxe_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, rxe_ucontext, ibuc), }; diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 23c5002b5134..e8be7f44e3be 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -120,8 +120,8 @@ struct rxe_rq { }; struct rxe_srq { - struct rxe_pool_entry pelem; struct ib_srq ibsrq; + struct rxe_pool_entry pelem; struct rxe_pd *pd; struct rxe_rq rq; u32 srq_num; -- cgit v1.2.3-59-g8ed1b