49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* Copyright 2013-2019 IBM Corp.
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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
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* 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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#ifndef __OPALMSG_H
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#define __OPALMSG_H
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#include <opal.h>
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/*
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* It dictates the number of asynchronous tokens available at the kernel,
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* ideally the value matches to the number of modules using async
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* infrastructure, but not necessarily the same..
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*/
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#define OPAL_MAX_ASYNC_COMP 16
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/* Max size of struct opal_msg */
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#define OPAL_MSG_SIZE (64 * 1024)
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/* opal_msg fixed parameters size */
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#define OPAL_MSG_HDR_SIZE (offsetof(struct opal_msg, params))
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#define OPAL_MSG_FIXED_PARAMS_SIZE \
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(sizeof(struct opal_msg) - OPAL_MSG_HDR_SIZE)
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int _opal_queue_msg(enum opal_msg_type msg_type, void *data,
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void (*consumed)(void *data, int status),
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size_t params_size, const void *params);
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#define opal_queue_msg(msg_type, data, cb, ...) \
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_opal_queue_msg(msg_type, data, cb, \
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sizeof((u64[]) {__VA_ARGS__}), \
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(u64[]) {__VA_ARGS__});
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void opal_init_msg(void);
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#endif /* __OPALMSG_H */
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