IB/rdmavt: Add completion queue function stubs (cf16335a) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/infiniband/sw/rdmavt/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

drivers/infiniband/sw/rdmavt/cq.c

0 → 100644

+113 −0

Original line number	Diff line number	Diff line
		/*
		* 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;
		}

drivers/infiniband/sw/rdmavt/cq.h

0 → 100644

+62 −0

Original line number	Diff line number	Diff line
		#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 */

drivers/infiniband/sw/rdmavt/vt.c

+7 −0

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		@@ -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;

drivers/infiniband/sw/rdmavt/vt.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -57,5 +57,6 @@
		#include "srq.h"
		#include "mcast.h"
		#include "mmap.h"
		#include "cq.h"

		#endif /* DEF_RDMAVT_H */