sw.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_CM_SW_H__
#define __MOTR_CM_SW_H__

#include "lib/types.h"

#include "cm/ag.h"
#include "cm/ag_xc.h"
#include "xcode/xcode_attr.h"
#include "fop/fop.h"

struct m0_rpc_conn;
struct m0_cm_type;

struct m0_cm_sw {
        struct m0_cm_ag_id     sw_lo;
        struct m0_cm_ag_id     sw_hi;
} M0_XCA_RECORD M0_XCA_DOMAIN(rpc);

struct m0_cm_local_ep {
        uint32_t  ep_size;
        char     *ep;
} M0_XCA_SEQUENCE M0_XCA_DOMAIN(rpc);

struct m0_cm_sw_onwire {
        m0_time_t             swo_cm_epoch;

        uint64_t              swo_sender_id;

        struct m0_cm_local_ep swo_cm_ep;

        struct m0_cm_sw       swo_in_interval;

        struct m0_cm_sw       swo_out_interval;

        uint32_t              swo_cm_status;
} M0_XCA_RECORD M0_XCA_DOMAIN(rpc);

struct m0_cm_sw_onwire_rep {
        int swr_rc;
} M0_XCA_RECORD M0_XCA_DOMAIN(rpc);

struct m0_cm_sw_update {
        struct m0_fom    swu_fom;
        struct m0_cm_sw  swu_sw;
        bool             swu_is_complete;
};

M0_INTERNAL int m0_cm_sw_onwire_init(struct m0_cm *cm, struct m0_cm_sw_onwire *sw_onwire,
                                     uint64_t proxy_id, const char *ep,
                                     const struct m0_cm_sw *sw,
                                     const struct m0_cm_sw *out_interval);

M0_INTERNAL void m0_cm_sw_set(struct m0_cm_sw *dst,
                              const struct m0_cm_ag_id *lo,
                              const struct m0_cm_ag_id *hi);

M0_INTERNAL void m0_cm_sw_copy(struct m0_cm_sw *dst,
                               const struct m0_cm_sw *src);

M0_INTERNAL bool m0_cm_sw_is_set(const struct m0_cm_sw *sw);
M0_INTERNAL bool m0_cm_sw_cmp(const struct m0_cm_sw *sw0,
                              const struct m0_cm_sw *sw1);
M0_INTERNAL int m0_cm_sw_local_update(struct m0_cm *cm);

M0_INTERNAL int m0_cm_sw_remote_update(struct m0_cm *cm);

M0_INTERNAL void m0_cm_sw_update_init(struct m0_cm_type *cmtype);

M0_INTERNAL void m0_cm_sw_update_start(struct m0_cm *cm);
M0_INTERNAL void m0_cm_sw_update_complete(struct m0_cm *cm);

M0_INTERNAL void m0_cm_sw_update_fom_wakeup(struct m0_cm_sw_update *swu);

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