mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2026-01-21 13:56:58 +00:00
e913f9e613
Added edge triggered read and write events. For mei mediator we need to detect changes in sysfs files, it's not possible to do it via level based triggers as the files are always readable. Tracked-On: #1417 Change-Id: Ib360ad31f30afa576b2b7b833f9bb139c269a030 Signed-off-by: Aviad Nissel <aviad.nissel@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Acked-by: Yu Wang <yu1.wang@intel.com>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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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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* 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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* 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 NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MEVENT_H_
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#define _MEVENT_H_
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enum ev_type {
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EVF_READ,
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EVF_WRITE,
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EVF_READ_ET,
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EVF_WRITE_ET,
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EVF_TIMER, /* Not supported yet */
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EVF_SIGNAL /* Not supported yet */
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};
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struct mevent;
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struct mevent *mevent_add(int fd, enum ev_type type,
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void (*func)(int, enum ev_type, void *),
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void *param);
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int mevent_enable(struct mevent *evp);
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int mevent_disable(struct mevent *evp);
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int mevent_delete(struct mevent *evp);
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int mevent_delete_close(struct mevent *evp);
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int mevent_notify(void);
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void mevent_dispatch(void);
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int mevent_init(void);
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void mevent_deinit(void);
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#define list_foreach_safe(var, head, field, tvar) \
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for ((var) = LIST_FIRST((head)); \
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(var) && ((tvar) = LIST_NEXT((var), field), 1);\
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(var) = (tvar))
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#endif /* _MEVENT_H_ */
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