diff options
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/Makefile | 2 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/cq.c | 113 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/cq.h | 62 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/vt.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/vt.h | 1 |
5 files changed, 184 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rdmavt/Makefile b/drivers/infiniband/sw/rdmavt/Makefile index 6f530d1f6dfa..00f018823e69 100644 --- a/drivers/infiniband/sw/rdmavt/Makefile +++ b/drivers/infiniband/sw/rdmavt/Makefile @@ -7,4 +7,4 @@ # obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o -rdmavt-y := vt.o ah.o dma.o mad.o mcast.o mmap.o mr.o pd.o qp.o srq.o +rdmavt-y := vt.o ah.o cq.o dma.o mad.o mcast.o mmap.o mr.o pd.o qp.o srq.o diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c new file mode 100644 index 000000000000..8d9619478807 --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/cq.c @@ -0,0 +1,113 @@ +/* + * Copyright(c) 2015 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "cq.h" + +/** + * rvt_create_cq - create a completion queue + * @ibdev: the device this completion queue is attached to + * @attr: creation attributes + * @context: unused by the QLogic_IB driver + * @udata: user data for libibverbs.so + * + * Returns a pointer to the completion queue or negative errno values + * for failure. + * + * Called by ib_create_cq() in the generic verbs code. + */ +struct ib_cq *rvt_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, + struct ib_udata *udata) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +/** + * rvt_destroy_cq - destroy a completion queue + * @ibcq: the completion queue to destroy. + * + * Returns 0 for success. + * + * Called by ib_destroy_cq() in the generic verbs code. + */ +int rvt_destroy_cq(struct ib_cq *ibcq) +{ + return -EOPNOTSUPP; +} + +int rvt_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags) +{ + return -EOPNOTSUPP; +} + +/** + * rvt_resize_cq - change the size of the CQ + * @ibcq: the completion queue + * + * Returns 0 for success. + */ +int rvt_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata) +{ + return -EOPNOTSUPP; +} + +/** + * rvt_poll_cq - poll for work completion entries + * @ibcq: the completion queue to poll + * @num_entries: the maximum number of entries to return + * @entry: pointer to array where work completions are placed + * + * Returns the number of completion entries polled. + * + * This may be called from interrupt context. Also called by ib_poll_cq() + * in the generic verbs code. + */ +int rvt_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) +{ + return -EOPNOTSUPP; +} diff --git a/drivers/infiniband/sw/rdmavt/cq.h b/drivers/infiniband/sw/rdmavt/cq.h new file mode 100644 index 000000000000..63a517db6dbf --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/cq.h @@ -0,0 +1,62 @@ +#ifndef DEF_RVTCQ_H +#define DEF_RVTCQ_H + +/* + * Copyright(c) 2015 Intel Corporation. + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * BSD LICENSE + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * - Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <rdma/rdma_vt.h> + +struct ib_cq *rvt_create_cq(struct ib_device *ibdev, + const struct ib_cq_init_attr *attr, + struct ib_ucontext *context, + struct ib_udata *udata); +int rvt_destroy_cq(struct ib_cq *ibcq); +int rvt_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags); +int rvt_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata); +int rvt_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry); + +#endif /* DEF_RVTCQ_H */ diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index a122ee8341c9..7fd879f34725 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -260,6 +260,13 @@ int rvt_register_device(struct rvt_dev_info *rdi) CHECK_DRIVER_OVERRIDE(rdi, dealloc_fmr); CHECK_DRIVER_OVERRIDE(rdi, mmap); + /* Completion queues */ + CHECK_DRIVER_OVERRIDE(rdi, create_cq); + CHECK_DRIVER_OVERRIDE(rdi, destroy_cq); + CHECK_DRIVER_OVERRIDE(rdi, poll_cq); + CHECK_DRIVER_OVERRIDE(rdi, req_notify_cq); + CHECK_DRIVER_OVERRIDE(rdi, resize_cq); + /* DMA Operations */ rdi->ibdev.dma_ops = rdi->ibdev.dma_ops ? : &rvt_default_dma_mapping_ops; diff --git a/drivers/infiniband/sw/rdmavt/vt.h b/drivers/infiniband/sw/rdmavt/vt.h index 6a5f5bf7632c..fdb52a8221bc 100644 --- a/drivers/infiniband/sw/rdmavt/vt.h +++ b/drivers/infiniband/sw/rdmavt/vt.h @@ -57,5 +57,6 @@ #include "srq.h" #include "mcast.h" #include "mmap.h" +#include "cq.h" #endif /* DEF_RDMAVT_H */ |