Blame ptl_am/am_reqrep.c

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/*
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  This file is provided under a dual BSD/GPLv2 license.  When using or
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  redistributing this file, you may do so under either license.
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  GPL LICENSE SUMMARY
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  Copyright(c) 2015 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify
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  it under the terms of version 2 of the GNU General Public License as
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  published by the Free Software Foundation.
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  This program is distributed in the hope that it will be useful, but
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  WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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  General Public License for more details.
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  Contact Information:
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  Intel Corporation, www.intel.com
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  BSD LICENSE
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  Copyright(c) 2015 Intel Corporation.
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  Redistribution and use in source and binary forms, with or without
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  modification, are permitted provided that the following conditions
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  are met:
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    * Redistributions of source code must retain the above copyright
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      notice, this list of conditions and the following disclaimer.
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    * Redistributions in binary form must reproduce the above copyright
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      notice, this list of conditions and the following disclaimer in
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      the documentation and/or other materials provided with the
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      distribution.
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    * Neither the name of Intel Corporation nor the names of its
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      contributors may be used to endorse or promote products derived
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      from this software without specific prior written permission.
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  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Copyright (c) 2003-2014 Intel Corporation. All rights reserved. */
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#include "psm_user.h"
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#include "psm2_am.h"
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#include "psm_mq_internal.h"
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#include "psm_am_internal.h"
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psm2_error_t
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psmi_amsh_am_short_request(psm2_epaddr_t epaddr,
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			   psm2_handler_t handler, psm2_amarg_t *args, int nargs,
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			   void *src, size_t len, int flags,
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			   psm2_am_completion_fn_t completion_fn,
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			   void *completion_ctxt)
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{
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	psm2_amarg_t req_args[NSHORT_ARGS + NBULK_ARGS];
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	/* All sends are synchronous. Ignore PSM2_AM_FLAG_ASYNC.
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	 * Treat PSM2_AM_FLAG_NOREPLY as "advisory". This was mainly
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	 * used to optimize the IPS path though we could put a stricter interpretation
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	 * on it to disallow any replies.
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	 */
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	/* For now less than NSHORT_ARGS+NBULK_ARGS-1. We use the first arg to carry
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	 * the handler index.
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	 */
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	psmi_assert(nargs <= (NSHORT_ARGS + NBULK_ARGS - 1));
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	psmi_assert(epaddr->ptlctl->ptl != NULL);
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	req_args[0].u32w0 = (uint32_t) handler;
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	psmi_mq_mtucpy((void *)&req_args[1], (const void *)args,
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		       (nargs * sizeof(psm2_amarg_t)));
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	psmi_amsh_short_request(epaddr->ptlctl->ptl, epaddr, am_handler_hidx,
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				req_args, nargs + 1, src, len, 0);
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	if (completion_fn)
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		completion_fn(completion_ctxt);
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	return PSM2_OK;
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}
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psm2_error_t
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psmi_amsh_am_short_reply(psm2_am_token_t tok,
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			 psm2_handler_t handler, psm2_amarg_t *args, int nargs,
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			 void *src, size_t len, int flags,
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			 psm2_am_completion_fn_t completion_fn,
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			 void *completion_ctxt)
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{
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	psm2_amarg_t rep_args[NSHORT_ARGS + NBULK_ARGS];
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	/* For now less than NSHORT_ARGS+NBULK_ARGS-1. We use the first arg to carry
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	 * the handler index.
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	 */
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	psmi_assert(nargs <= (NSHORT_ARGS + NBULK_ARGS - 1));
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	rep_args[0].u32w0 = (uint32_t) handler;
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	psmi_mq_mtucpy((void *)&rep_args[1], (const void *)args,
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		       (nargs * sizeof(psm2_amarg_t)));
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	psmi_amsh_short_reply((amsh_am_token_t *) tok, am_handler_hidx,
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			      rep_args, nargs + 1, src, len, 0);
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	if (completion_fn)
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		completion_fn(completion_ctxt);
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	return PSM2_OK;
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}