IB/rdmavt: Add mmap stub (dc21752e) · 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 mr.o pd.o qp.o srq.o
		rdmavt-y := vt.o ah.o dma.o mad.o mcast.o mmap.o mr.o pd.o qp.o srq.o

drivers/infiniband/sw/rdmavt/mmap.c

0 → 100644

+60 −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 <linux/slab.h>
		#include "mmap.h"

		/**
		* rvt_mmap - create a new mmap region
		* @context: the IB user context of the process making the mmap() call
		* @vma: the VMA to be initialized
		* Return zero if the mmap is OK. Otherwise, return an errno.
		*/
		int rvt_mmap(struct ib_ucontext context, struct vm_area_struct vma)
		{
		return -EOPNOTSUPP;
		}

drivers/infiniband/sw/rdmavt/mmap.h

0 → 100644

+55 −0

Original line number	Diff line number	Diff line
		#ifndef DEF_RDMAVTMMAP_H
		#define DEF_RDMAVTMMAP_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>

		int rvt_mmap(struct ib_ucontext context, struct vm_area_struct vma);

		#endif /* DEF_RDMAVTMMAP_H */

drivers/infiniband/sw/rdmavt/vt.c

+1 −0

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		@@ -251,6 +251,7 @@ int rvt_register_device(struct rvt_dev_info *rdi)
		CHECK_DRIVER_OVERRIDE(rdi, map_phys_fmr);
		CHECK_DRIVER_OVERRIDE(rdi, unmap_fmr);
		CHECK_DRIVER_OVERRIDE(rdi, dealloc_fmr);
		CHECK_DRIVER_OVERRIDE(rdi, mmap);

		/* DMA Operations */
		rdi->ibdev.dma_ops =

drivers/infiniband/sw/rdmavt/vt.h

+1 −0

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		@@ -56,5 +56,6 @@
		#include "mr.h"
		#include "srq.h"
		#include "mcast.h"
		#include "mmap.h"

		#endif /* DEF_RDMAVT_H */