lnet_ioctl.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_LNET_IOCTL_H__
#define __MOTR_LNET_IOCTL_H__

#include "lib/vec.h"   /* m0_bufvec, standard types */

struct m0_lnet_dev_dom_init_params {
        struct nlx_core_domain         *ddi_cd;
        m0_bcount_t                     ddi_max_buffer_size;
        m0_bcount_t                     ddi_max_buffer_segment_size;
        int32_t                         ddi_max_buffer_segments;
};

struct m0_lnet_dev_buf_register_params {
        struct nlx_core_buffer         *dbr_lcbuf;
        nlx_core_opaque_ptr_t           dbr_buffer_id;
        struct m0_bufvec                dbr_bvec;
};

struct m0_lnet_dev_buf_deregister_params {
        void                           *dbd_kb;
};

struct m0_lnet_dev_buf_queue_params {
        void                           *dbq_ktm;
        void                           *dbq_kb;
};

struct m0_lnet_dev_buf_event_wait_params {
        void                           *dbw_ktm;
        m0_time_t                       dbw_timeout;
};

struct m0_lnet_dev_nid_encdec_params {
        uint64_t                        dn_nid;
        char                            dn_buf[M0_NET_LNET_NIDSTR_SIZE];
};

struct m0_lnet_dev_nidstrs_get_params {
        m0_bcount_t                     dng_size;
        char                           *dng_buf;
};

struct m0_lnet_dev_tm_start_params {
        struct nlx_core_transfer_mc    *dts_ctm;
};

struct m0_lnet_dev_tm_stop_params {
        void                           *dts_ktm;
};

struct m0_lnet_dev_bev_bless_params {
        void                           *dbb_ktm;
        struct nlx_core_buffer_event   *dbb_bev;
};

#define M0_LNET_DEV         "m0lnet"

#define M0_LNET_IOC_MAGIC   'c'
#define M0_LNET_IOC_MIN_NR  0x21
#define M0_LNET_IOC_MAX_NR  0x4f

#define M0_LNET_DOM_INIT \
        _IOWR(M0_LNET_IOC_MAGIC, 0x21, struct m0_lnet_dev_dom_init_params)

#define M0_LNET_BUF_REGISTER \
        _IOW(M0_LNET_IOC_MAGIC, 0x26, struct m0_lnet_dev_buf_register_params)
#define M0_LNET_BUF_DEREGISTER \
        _IOW(M0_LNET_IOC_MAGIC, 0x27, struct m0_lnet_dev_buf_deregister_params)
#define M0_LNET_BUF_MSG_RECV \
        _IOW(M0_LNET_IOC_MAGIC, 0x28, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_MSG_SEND \
        _IOW(M0_LNET_IOC_MAGIC, 0x29, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_ACTIVE_RECV \
        _IOW(M0_LNET_IOC_MAGIC, 0x2a, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_ACTIVE_SEND \
        _IOW(M0_LNET_IOC_MAGIC, 0x2b, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_PASSIVE_RECV \
        _IOW(M0_LNET_IOC_MAGIC, 0x2c, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_PASSIVE_SEND \
        _IOW(M0_LNET_IOC_MAGIC, 0x2d, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_DEL \
        _IOW(M0_LNET_IOC_MAGIC, 0x2e, struct m0_lnet_dev_buf_queue_params)
#define M0_LNET_BUF_EVENT_WAIT \
        _IOW(M0_LNET_IOC_MAGIC, 0x2f, struct m0_lnet_dev_buf_event_wait_params)

#define M0_LNET_NIDSTR_DECODE \
        _IOWR(M0_LNET_IOC_MAGIC, 0x30, struct m0_lnet_dev_nid_encdec_params)
#define M0_LNET_NIDSTR_ENCODE \
        _IOWR(M0_LNET_IOC_MAGIC, 0x31, struct m0_lnet_dev_nid_encdec_params)
#define M0_LNET_NIDSTRS_GET \
        _IOW(M0_LNET_IOC_MAGIC, 0x32, struct m0_lnet_dev_nidstrs_get_params)

#define M0_LNET_TM_START \
        _IOW(M0_LNET_IOC_MAGIC, 0x33, struct m0_lnet_dev_tm_start_params)
#define M0_LNET_TM_STOP \
        _IOW(M0_LNET_IOC_MAGIC, 0x34, struct m0_lnet_dev_tm_stop_params)

#define M0_LNET_BEV_BLESS \
        _IOW(M0_LNET_IOC_MAGIC, 0x35, struct m0_lnet_dev_bev_bless_params)
 /* LNetDev */

#endif /* __MOTR_LNET_IOCTL_H__ */

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