list_enum.h

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/* -*- C -*- */
/*
 * Copyright (c) 2012-2020 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_LAYOUT_LIST_ENUM_H__
#define __MOTR_LAYOUT_LIST_ENUM_H__

/* import */
#include "lib/arith.h"     /* M0_IS_8ALIGNED */
#include "layout/layout.h"

struct m0_fid;

/* export */
struct m0_layout_list_enum;

struct m0_layout_list_enum {
        struct m0_layout_enum   lle_base;

        uint32_t                lle_nr;

        struct m0_fid          *lle_list_of_cobs;

        uint64_t                lle_magic;
};

M0_INTERNAL int m0_list_enum_build(struct m0_layout_domain *dom,
                                   struct m0_fid *cob_list, uint32_t nr,
                                   struct m0_layout_list_enum **out);

extern struct m0_layout_enum_type m0_list_enum_type;

struct cob_entries_header {
        uint32_t  ces_nr;

        uint32_t  ces_pad;

        char      ces_cobs[0];
};
M0_BASSERT(M0_IS_8ALIGNED(sizeof(struct cob_entries_header)));

/* __MOTR_LAYOUT_LIST_ENUM_H__ */
#endif

/*
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 *  c-indentation-style: "K&R"
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 *  End:
 */