linear_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_LINEAR_ENUM_H__
#define __MOTR_LAYOUT_LINEAR_ENUM_H__

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

/* export */
struct m0_layout_linear_enum;

struct m0_layout_linear_attr {
        uint32_t   lla_nr;

        uint32_t   lla_A;

        uint32_t   lla_B;

        uint32_t   lla_pad;
};
M0_BASSERT(M0_IS_8ALIGNED(sizeof(struct m0_layout_linear_attr)));

struct m0_layout_linear_enum {
        struct m0_layout_enum        lle_base;

        struct m0_layout_linear_attr lle_attr;

        uint64_t                     lla_magic;
};

M0_INTERNAL int m0_linear_enum_build(struct m0_layout_domain *dom,
                                     const struct m0_layout_linear_attr *attr,
                                     struct m0_layout_linear_enum **out);

extern struct m0_layout_enum_type m0_linear_enum_type;

/* __MOTR_LAYOUT_LINEAR_ENUM_H__ */
#endif

/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */