121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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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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* * 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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*
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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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#ifndef CHANNEL_MONITOR_H_
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#define CHANNEL_MONITOR_H_
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#include "channel_manager.h"
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#include "channel_commands.h"
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struct core_share {
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unsigned int pcpu;
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/*
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* 1 CORE SHARE
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* 0 NOT SHARED
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*/
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int status;
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};
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struct policy {
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struct channel_packet pkt;
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uint32_t pfid[MAX_VFS];
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uint32_t port[MAX_VFS];
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unsigned int enabled;
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struct core_share core_share[MAX_VCPU_PER_VM];
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Setup the Channel Monitor resources required to initialize epoll.
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* Must be called first before calling other functions.
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*
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* @return
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* - 0 on success.
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* - Negative on error.
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*/
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int channel_monitor_init(void);
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/**
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* Run the channel monitor, loops forever on on epoll_wait.
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*
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*
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* @return
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* None
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*/
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void run_channel_monitor(void);
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/**
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* Exit the Channel Monitor, exiting the epoll_wait loop and events processing.
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*
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* @return
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* - 0 on success.
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* - Negative on error.
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*/
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void channel_monitor_exit(void);
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/**
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* Add an open channel to monitor via epoll. A pointer to struct channel_info
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* will be registered with epoll for event processing.
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* It is thread-safe.
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*
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* @param chan_info
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* Pointer to struct channel_info pointer.
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*
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* @return
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* - 0 on success.
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* - Negative on error.
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*/
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int add_channel_to_monitor(struct channel_info **chan_info);
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/**
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* Remove a previously added channel from epoll control.
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*
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* @param chan_info
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* Pointer to struct channel_info.
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*
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* @return
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* - 0 on success.
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* - Negative on error.
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*/
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int remove_channel_from_monitor(struct channel_info *chan_info);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CHANNEL_MONITOR_H_ */
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