94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/* k_move_data.c */
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/*
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* Copyright (c) 1997-2014 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <micro_private.h>
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#include <string.h>
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#include <toolchain.h>
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#include <sections.h>
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#include <misc/__assert.h>
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/**
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*
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* mvdreq_docont -
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*
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* @return N/A
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*/
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static void mvdreq_docont(struct k_args *Cont)
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{
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struct k_args *next;
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while (Cont) {
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next = Cont;
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Cont = Cont->next;
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SENDARGS(next);
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}
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}
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/**
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*
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* @brief Perform movedata request
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*
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* @return N/A
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*/
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static void mvdreq_copy(struct moved_req *ReqArgs)
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{
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memcpy(ReqArgs->destination, ReqArgs->source,
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OCTET_TO_SIZEOFUNIT(ReqArgs->total_size));
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if (ReqArgs->action & MVDACT_SNDACK)
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mvdreq_docont(ReqArgs->extra.setup.continuation_send);
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if (ReqArgs->action & MVDACT_RCVACK)
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mvdreq_docont(ReqArgs->extra.setup.continuation_receive);
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}
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/**
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*
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* @brief Process a movedata request
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*
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* @return N/A
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*/
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void _k_movedata_request(struct k_args *Req)
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{
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struct moved_req *ReqArgs;
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ReqArgs = &(Req->args.moved_req);
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__ASSERT_NO_MSG(0 ==
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(ReqArgs->total_size %
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SIZEOFUNIT_TO_OCTET(1))); /* must be a multiple of size_t */
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__ASSERT_NO_MSG(!(ReqArgs->action & MVDACT_INVALID));
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/*
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* If no data is to be transferred, just execute the continuation
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* packet, if any, and get out:
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*/
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if (0 == ReqArgs->total_size) {
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if (ReqArgs->action & MVDACT_SNDACK)
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/* Send ack continuation */
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mvdreq_docont(
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ReqArgs->extra.setup.continuation_send);
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if (ReqArgs->action & MVDACT_RCVACK)
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/* Recv ack continuation */
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mvdreq_docont(
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ReqArgs->extra.setup.continuation_receive);
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return;
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}
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mvdreq_copy(ReqArgs);
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}
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