device_fops.h

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/* -*- C -*- */
/*
 * Copyright (c) 2015-2020 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_SSS_DEVICE_FOPS_H__
#define __MOTR_SSS_DEVICE_FOPS_H__

#include "lib/types_xc.h"
#include "lib/buf_xc.h"
#include "fid/fid.h"
#include "fid/fid_xc.h"
#include "rpc/rpc_machine.h"

extern struct m0_fop_type m0_sss_fop_device_fopt;
extern struct m0_fop_type m0_sss_fop_device_rep_fopt;

enum m0_sss_device_req_cmd {
        M0_DEVICE_ATTACH,
        M0_DEVICE_DETACH,
        M0_DEVICE_FORMAT,
        M0_DEVICE_CMDS_NR
};

struct m0_sss_device_fop {
        uint32_t      ssd_cmd;
        struct m0_fid ssd_fid;
} M0_XCA_RECORD M0_XCA_DOMAIN(rpc);

struct m0_sss_device_fop_rep {
        int32_t  ssdp_rc;
        uint32_t ssdp_ha_state;
} M0_XCA_RECORD M0_XCA_DOMAIN(rpc);


M0_INTERNAL struct m0_fop *m0_sss_device_fop_create(struct m0_rpc_machine *mach,
                                                    uint32_t               cmd,
                                                    const struct m0_fid   *fid);

M0_INTERNAL bool m0_sss_fop_is_dev_req(const struct m0_fop *fop);

M0_INTERNAL struct m0_sss_device_fop *m0_sss_fop_to_dev_req(struct m0_fop *fop);

M0_INTERNAL bool m0_sss_fop_is_dev_rep(const struct m0_fop *fop);

M0_INTERNAL
struct m0_sss_device_fop_rep *m0_sss_fop_to_dev_rep(struct m0_fop *fop);

M0_INTERNAL int m0_sss_device_fops_init(void);

M0_INTERNAL void m0_sss_device_fops_fini(void);

#endif /* __MOTR_SSS_DEVICE_FOPS_H__ */

/*
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 *  c-indentation-style: "K&R"
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 *  tab-width: 8
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 *  End:
 */