fom_simple.h

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/* -*- C -*- */
/*
 * Copyright (c) 2013-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#pragma once

#ifndef __MOTR_FOP_FOM_SIMPLE_H__
#define __MOTR_FOP_FOM_SIMPLE_H__

#include "fop/fom.h"

struct m0_fom_simple {
        struct m0_fom      si_fom;
        int         (*si_tick)(struct m0_fom *fom, void *data, int *phase);
        void              *si_data;
        size_t             si_locality;
        struct m0_fom_type si_type;
        void             (*si_free)(struct m0_fom_simple *sfom);
};

enum {
        M0_FOM_SIMPLE_HERE = 0xbedabedabedabeda
};

M0_INTERNAL void m0_fom_simple_post(struct m0_fom_simple *simpleton,
                                    struct m0_reqh *reqh,
                                    struct m0_sm_conf *conf,
                                    int (*tick)(struct m0_fom *, void *, int *),
                                    void (*free)(struct m0_fom_simple *sfom),
                                    void *data, size_t locality);
M0_INTERNAL void m0_fom_simple_hoard(struct m0_fom_simple *cat, size_t nr,
                                     struct m0_reqh *reqh,
                                     struct m0_sm_conf *conf,
                                     int (*tick)(struct m0_fom *, void *,
                                                 int *),
                                     void (*free)(struct m0_fom_simple *sfom),
                                     void *data);

#define M0_FOM_SIMPLE_POST(s, r, c, t, f, d, l)                 \
({                                                                      \
        /* check that "t" and "d" match. */                             \
        (void)(sizeof((t)(NULL, (d), 0)));                              \
        m0_fom_simple_post((s), (r), (c),                               \
                           (int (*)(struct m0_fom *, void *, int *))(t),\
                           (void (*)(struct m0_fom_simple *))(f),       \
                           (void *)(d), (l));                           \
})

M0_INTERNAL int m0_fom_simples_init(void);
M0_INTERNAL void m0_fom_simples_fini(void);

#endif /* __MOTR_FOP_FOM_SIMPLE_H__ */

/*
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 */
/*
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