IB/rdmavt: Add process MAD stub (3dd1faf8) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/infiniband/sw/rdmavt/Makefile

+1 −1

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	@@ -7,4 +7,4 @@
	#		#
	obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o		obj-$(CONFIG_INFINIBAND_RDMAVT) += rdmavt.o

	rdmavt-y := vt.o ah.o dma.o mcast.o mr.o pd.o qp.o srq.o		rdmavt-y := vt.o ah.o dma.o mad.o mcast.o mr.o pd.o qp.o srq.o

drivers/infiniband/sw/rdmavt/mad.c

0 → 100644

+85 −0

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			/*
			* 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 "mad.h"

			/**
			* rvt_process_mad - process an incoming MAD packet
			* @ibdev: the infiniband device this packet came in on
			* @mad_flags: MAD flags
			* @port: the port number this packet came in on
			* @in_wc: the work completion entry for this packet
			* @in_grh: the global route header for this packet
			* @in_mad: the incoming MAD
			* @out_mad: any outgoing MAD reply
			*
			* Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not
			* interested in processing.
			*
			* Note that the verbs framework has already done the MAD sanity checks,
			* and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
			* MADs.
			*
			* This is called by the ib_mad module.
			*/
			int rvt_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
			const struct ib_wc in_wc, const struct ib_grh in_grh,
			const struct ib_mad_hdr *in, size_t in_mad_size,
			struct ib_mad_hdr out, size_t out_mad_size,
			u16 *out_mad_pkey_index)
			{
			/*
			* Drivers will need to provide a number of things. For exmaple counters
			* will need to be maintained by the driver but shoud live in the rvt
			* structure. More study will be needed to finalize the interface
			* between drivers and rvt for mad packets.
			*
			*VT-DRIVER-API: ????
			*
			*/
			return IB_MAD_RESULT_FAILURE;
			}

drivers/infiniband/sw/rdmavt/mad.h

0 → 100644

+59 −0

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			#ifndef DEF_RVTMAD_H
			#define DEF_RVTMAD_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_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
			const struct ib_wc in_wc, const struct ib_grh in_grh,
			const struct ib_mad_hdr *in, size_t in_mad_size,
			struct ib_mad_hdr out, size_t out_mad_size,
			u16 *out_mad_pkey_index);

			#endif /* DEF_RVTMAD_H */