[for-next,V1,01/11] IB/core: Change provider's API of create_cq to be extendible

Message ID	1432220202-9834-2-git-send-email-ogerlitz@mellanox.com (mailing list archive)
State	Changes Requested
Headers	show Return-Path: <linux-rdma-owner@kernel.org> From: Or Gerlitz <ogerlitz@mellanox.com> To: Doug Ledford <dledford@redhat.com> Cc: linux-rdma@vger.kernel.org, Amir Vadai <amirv@mellanox.com>, Tal Alon <talal@mellanox.com>, Matan Barak <matanb@mellanox.com>, Or Gerlitz <ogerlitz@mellanox.com> Subject: [PATCH for-next V1 01/11] IB/core: Change provider's API of create_cq to be extendible Date: Thu, 21 May 2015 17:56:32 +0300 Message-Id: <1432220202-9834-2-git-send-email-ogerlitz@mellanox.com> In-Reply-To: <1432220202-9834-1-git-send-email-ogerlitz@mellanox.com> References: <1432220202-9834-1-git-send-email-ogerlitz@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index a9f0489..1954ebb 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1341,6 +1341,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, struct ib_uverbs_event_file *ev_file = NULL; struct ib_cq *cq; int ret; + struct ib_cq_init_attr attr = {}; if (out_len < sizeof resp) return -ENOSPC; @@ -1376,8 +1377,9 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, INIT_LIST_HEAD(&obj->comp_list); INIT_LIST_HEAD(&obj->async_list); - cq = file->device->ib_dev->create_cq(file->device->ib_dev, cmd.cqe, - cmd.comp_vector, + attr.cqe = cmd.cqe; + attr.comp_vector = cmd.comp_vector; + cq = file->device->ib_dev->create_cq(file->device->ib_dev, &attr, file->ucontext, &udata); if (IS_ERR(cq)) { ret = PTR_ERR(cq); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index f93eb8d..0c49163 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1015,8 +1015,9 @@ struct ib_cq *ib_create_cq(struct ib_device *device, void *cq_context, int cqe, int comp_vector) { struct ib_cq *cq; + struct ib_cq_init_attr attr = {.cqe = cqe, .comp_vector = comp_vector}; - cq = device->create_cq(device, cqe, comp_vector, NULL, NULL); + cq = device->create_cq(device, &attr, NULL, NULL); if (!IS_ERR(cq)) { cq->device = device; diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c index bdf3507..8e53d05 100644 --- a/drivers/infiniband/hw/amso1100/c2_provider.c +++ b/drivers/infiniband/hw/amso1100/c2_provider.c @@ -286,13 +286,18 @@ static int c2_destroy_qp(struct ib_qp *ib_qp) return 0; } -static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries, int vector, +static struct ib_cq *c2_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; struct c2_cq *cq; int err; + if (attr->flags) + return ERR_PTR(-EINVAL); + cq = kmalloc(sizeof(*cq), GFP_KERNEL); if (!cq) { pr_debug("%s: Unable to allocate CQ\n", __func__); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 811b24a..eb74c4d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -138,10 +138,12 @@ static int iwch_destroy_cq(struct ib_cq *ib_cq) return 0; } -static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int vector, - struct ib_ucontext *ib_context, - struct ib_udata *udata) +static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *ib_context, + struct ib_udata *udata) { + int entries = attr->cqe; struct iwch_dev *rhp; struct iwch_cq *chp; struct iwch_create_cq_resp uresp; @@ -151,6 +153,9 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve size_t resplen; PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries); + if (attr->flags) + return ERR_PTR(-EINVAL); + rhp = to_iwch_dev(ibdev); chp = kzalloc(sizeof(*chp), GFP_KERNEL); if (!chp) diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 68ddb37..9a2c01c 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -866,10 +866,13 @@ int c4iw_destroy_cq(struct ib_cq *ib_cq) return 0; } -struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries, - int vector, struct ib_ucontext *ib_context, +struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *ib_context, struct ib_udata *udata) { + int entries = attr->cqe; + int vector = attr->comp_vector; struct c4iw_dev *rhp; struct c4iw_cq *chp; struct c4iw_create_cq_resp uresp; @@ -879,6 +882,8 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries, struct c4iw_mm_entry *mm, *mm2; PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries); + if (attr->flags) + return ERR_PTR(-EINVAL); rhp = to_c4iw_dev(ibdev); diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index 97bb555..540ed02 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -992,10 +992,10 @@ int c4iw_reregister_phys_mem(struct ib_mr *mr, int acc, u64 *iova_start); int c4iw_dereg_mr(struct ib_mr *ib_mr); int c4iw_destroy_cq(struct ib_cq *ib_cq); -struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries, - int vector, - struct ib_ucontext *ib_context, - struct ib_udata *udata); +struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *ib_context, + struct ib_udata *udata); int c4iw_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata); int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); int c4iw_destroy_qp(struct ib_qp *ib_qp); diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 8cc8375..9b68b17 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -113,10 +113,12 @@ struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int real_qp_num) return ret; } -struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, +struct ib_cq *ehca_create_cq(struct ib_device *device, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata) { + int cqe = attr->cqe; static const u32 additional_cqe = 20; struct ib_cq *cq; struct ehca_cq *my_cq; @@ -131,6 +133,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, int ipz_rc, i; unsigned long flags; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (cqe >= 0xFFFFFFFF - 64 - additional_cqe) return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index 22f79af..e47581a 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -126,7 +126,8 @@ int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq); void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq); -struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, +struct ib_cq *ehca_create_cq(struct ib_device *device, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c index 0416c6c..e9dd911 100644 --- a/drivers/infiniband/hw/ipath/ipath_cq.c +++ b/drivers/infiniband/hw/ipath/ipath_cq.c @@ -188,7 +188,7 @@ static void send_complete(unsigned long data) /** * ipath_create_cq - create a completion queue * @ibdev: the device this completion queue is attached to - * @entries: the minimum size of the completion queue + * @attr: creation attributes * @context: unused by the InfiniPath driver * @udata: unused by the InfiniPath driver * @@ -197,16 +197,21 @@ static void send_complete(unsigned long data) * * Called by ib_create_cq() in the generic verbs code. */ -struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector, +struct ib_cq *ipath_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; struct ipath_ibdev *dev = to_idev(ibdev); struct ipath_cq *cq; struct ipath_cq_wc *wc; struct ib_cq *ret; u32 sz; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries < 1 || entries > ib_ipath_max_cqes) { ret = ERR_PTR(-EINVAL); goto done; diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h index ae6cff4..c4e4e81 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.h +++ b/drivers/infiniband/hw/ipath/ipath_verbs.h @@ -807,7 +807,8 @@ void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig); int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry); -struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector, +struct ib_cq *ipath_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 0176caa..8e44aaa 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -166,15 +166,21 @@ err_buf: return err; } -struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, +struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; + int vector = attr->comp_vector; struct mlx4_ib_dev *dev = to_mdev(ibdev); struct mlx4_ib_cq *cq; struct mlx4_uar *uar; int err; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries < 1 || entries > dev->dev->caps.max_cqes) return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index fce3934..f127efc 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -668,7 +668,8 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); -struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, +struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata); int mlx4_ib_destroy_cq(struct ib_cq *cq); diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 2ee6b10..09fbae6 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -736,10 +736,13 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq) mlx5_db_free(dev->mdev, &cq->db); } -struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries, - int vector, struct ib_ucontext *context, +struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; + int vector = attr->comp_vector; struct mlx5_create_cq_mbox_in *cqb = NULL; struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_ib_cq *cq; @@ -750,6 +753,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries, int eqn; int err; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries < 0) return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 57c9809..1af3529 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1087,6 +1087,7 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) { struct ib_srq_init_attr attr; struct mlx5_ib_dev *dev; + struct ib_cq_init_attr cq_attr = {.cqe = 1}; int ret = 0; dev = container_of(devr, struct mlx5_ib_dev, devr); @@ -1100,7 +1101,7 @@ static int create_dev_resources(struct mlx5_ib_resources *devr) devr->p0->uobject = NULL; atomic_set(&devr->p0->usecnt, 0); - devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, 1, 0, NULL, NULL); + devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); if (IS_ERR(devr->c0)) { ret = PTR_ERR(devr->c0); goto error1; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index dff1cfc..b086162 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -556,8 +556,9 @@ int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n); int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, void *buffer, u32 length); -struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries, - int vector, struct ib_ucontext *context, +struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, struct ib_udata *udata); int mlx5_ib_destroy_cq(struct ib_cq *cq); int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 415f8e1..dbed91e 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -641,16 +641,20 @@ static int mthca_destroy_qp(struct ib_qp *qp) return 0; } -static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries, - int comp_vector, +static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; struct mthca_create_cq ucmd; struct mthca_cq *cq; int nent; int err; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes) return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index c0d0296..e6e6f53 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1527,10 +1527,12 @@ static int nes_destroy_qp(struct ib_qp *ibqp) /** * nes_create_cq */ -static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, - int comp_vector, - struct ib_ucontext *context, struct ib_udata *udata) +static struct ib_cq *nes_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, + struct ib_udata *udata) { + int entries = attr->cqe; u64 u64temp; struct nes_vnic *nesvnic = to_nesvnic(ibdev); struct nes_device *nesdev = nesvnic->nesdev; @@ -1550,6 +1552,9 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, unsigned long flags; int ret; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries > nesadapter->max_cqe) return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 8771755..f441df6 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1000,10 +1000,12 @@ err: return status; } -struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector, +struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, struct ib_ucontext *ib_ctx, struct ib_udata *udata) { + int entries = attr->cqe; struct ocrdma_cq *cq; struct ocrdma_dev *dev = get_ocrdma_dev(ibdev); struct ocrdma_ucontext *uctx = NULL; @@ -1011,6 +1013,9 @@ struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector, int status; struct ocrdma_create_cq_ureq ureq; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (udata) { if (ib_copy_from_udata(&ureq, udata, sizeof(ureq))) return ERR_PTR(-EFAULT); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index b8f7853..b6de5f9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -56,8 +56,10 @@ struct ib_pd *ocrdma_alloc_pd(struct ib_device *, struct ib_ucontext *, struct ib_udata *); int ocrdma_dealloc_pd(struct ib_pd *pd); -struct ib_cq *ocrdma_create_cq(struct ib_device *, int entries, int vector, - struct ib_ucontext *, struct ib_udata *); +struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *ib_ctx, + struct ib_udata *udata); int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *); int ocrdma_destroy_cq(struct ib_cq *); diff --git a/drivers/infiniband/hw/qib/qib_cq.c b/drivers/infiniband/hw/qib/qib_cq.c index ab4e11c..2b45d0b 100644 --- a/drivers/infiniband/hw/qib/qib_cq.c +++ b/drivers/infiniband/hw/qib/qib_cq.c @@ -203,7 +203,7 @@ static void send_complete(struct kthread_work *work) /** * qib_create_cq - create a completion queue * @ibdev: the device this completion queue is attached to - * @entries: the minimum size of the completion queue + * @attr: creation attributes * @context: unused by the QLogic_IB driver * @udata: user data for libibverbs.so * @@ -212,16 +212,21 @@ static void send_complete(struct kthread_work *work) * * Called by ib_create_cq() in the generic verbs code. */ -struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries, - int comp_vector, struct ib_ucontext *context, +struct ib_cq *qib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, struct ib_udata *udata) { + int entries = attr->cqe; struct qib_ibdev *dev = to_idev(ibdev); struct qib_cq *cq; struct qib_cq_wc *wc; struct ib_cq *ret; u32 sz; + if (attr->flags) + return ERR_PTR(-EINVAL); + if (entries < 1 || entries > ib_qib_max_cqes) { ret = ERR_PTR(-EINVAL); goto done; diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h index bfc8948..e9b26a4 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.h +++ b/drivers/infiniband/hw/qib/qib_verbs.h @@ -1007,8 +1007,9 @@ void qib_cq_enter(struct qib_cq *cq, struct ib_wc *entry, int sig); int qib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry); -struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries, - int comp_vector, struct ib_ucontext *context, +struct ib_cq *qib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, struct ib_udata *udata); int qib_destroy_cq(struct ib_cq *ibcq); diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 53bd6a2..2b3f7e3 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -570,13 +570,17 @@ int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, return status; } -struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, int entries, - int vector, struct ib_ucontext *context, - struct ib_udata *udata) +struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, + struct ib_udata *udata) { struct ib_cq *cq; usnic_dbg("\n"); + if (attr->flags) + return ERR_PTR(-EINVAL); + cq = kzalloc(sizeof(*cq), GFP_KERNEL); if (!cq) return ERR_PTR(-EBUSY); diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h index bb864f5..38eb9f5 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h @@ -44,9 +44,10 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd, int usnic_ib_destroy_qp(struct ib_qp *qp); int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata); -struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, int entries, - int vector, struct ib_ucontext *context, - struct ib_udata *udata); +struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, + struct ib_udata *udata); int usnic_ib_destroy_cq(struct ib_cq *cq); struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 65994a1..20aab36 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -166,6 +166,12 @@ struct ib_odp_caps { } per_transport_caps; }; +struct ib_cq_init_attr { + unsigned int cqe; + int comp_vector; + u32 flags; +}; + struct ib_device_attr { u64 fw_ver; __be64 sys_image_guid; @@ -1561,8 +1567,8 @@ struct ib_device { int (*post_recv)(struct ib_qp *qp, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); - struct ib_cq * (*create_cq)(struct ib_device *device, int cqe, - int comp_vector, + struct ib_cq * (*create_cq)(struct ib_device *device, + const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata); int (*modify_cq)(struct ib_cq *cq, u16 cq_count,

[for-next,V1,01/11] IB/core: Change provider's API of create_cq to be extendible

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Patch