alloc_internal.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_BE_ALLOC_INTERNAL_H__
#define __MOTR_BE_ALLOC_INTERNAL_H__

#include "lib/types.h"  /* m0_bcount_t */
#include "be/list.h"    /* m0_be_list */
#include "be/list_xc.h"
#include "be/alloc.h"   /* m0_be_allocator_stats */
#include "be/alloc_xc.h"
#include "be/fl.h"      /* m0_be_fl */
#include "be/fl_xc.h"

struct be_alloc_chunk {
        uint64_t                   bac_magic0;
        struct m0_be_list_link     bac_linkage;
        uint64_t                   bac_magic;
        struct m0_be_list_link     bac_linkage_free;
        uint64_t                   bac_magic_free;
        m0_bcount_t                bac_size;
        bool                       bac_free;
        uint32_t                   bac_zone M0_XCA_FENUM(m0_be_alloc_zone_type);
        uint64_t                   bac_magic1;
        char                       bac_mem[0];
} M0_XCA_RECORD M0_XCA_DOMAIN(be);
M0_BASSERT(sizeof(struct be_alloc_chunk) % (1UL << M0_BE_ALLOC_SHIFT_MIN) == 0);

struct m0_be_alloc_zone {
        m0_bcount_t baz_size;
        m0_bcount_t baz_free;
} M0_XCA_RECORD M0_XCA_DOMAIN(be);


struct m0_be_allocator_header {
        struct m0_be_list             bah_chunks;       
        struct m0_be_fl               bah_fl;           
        struct m0_be_allocator_stats  bah_stats;        
        m0_bcount_t                   bah_size;         
        void                         *bah_addr;         
} M0_XCA_RECORD M0_XCA_DOMAIN(be);

#endif /* __MOTR_BE_ALLOC_INTERNAL_H__ */


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/*
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