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fdafd315ad
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Microsoft Corp.
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* All rights reserved.
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*
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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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*
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* 1. 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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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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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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#include <sys/types.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include "gdma_util.h"
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void
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init_completion(struct completion *c)
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{
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memset(c, 0, sizeof(*c));
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mtx_init(&c->lock, "gdma_completion", NULL, MTX_DEF);
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c->done = 0;
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}
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void
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free_completion(struct completion *c)
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{
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mtx_destroy(&c->lock);
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}
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void
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complete(struct completion *c)
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{
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mtx_lock(&c->lock);
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c->done++;
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mtx_unlock(&c->lock);
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wakeup(c);
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}
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void
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wait_for_completion(struct completion *c)
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{
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mtx_lock(&c->lock);
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while (c->done == 0)
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mtx_sleep(c, &c->lock, 0, "gdma_wfc", 0);
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c->done--;
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mtx_unlock(&c->lock);
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}
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/*
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* Return: 0 if completed, a non-zero value if timed out.
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*/
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int
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wait_for_completion_timeout(struct completion *c, int timeout)
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{
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int ret;
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mtx_lock(&c->lock);
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if (c->done == 0)
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mtx_sleep(c, &c->lock, 0, "gdma_wfc", timeout);
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if (c->done > 0) {
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c->done--;
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ret = 0;
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} else {
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ret = 1;
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}
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mtx_unlock(&c->lock);
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return (ret);
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}
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