lnet_pvt.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_NET_LNET_PVT_H__
#define __MOTR_NET_LNET_PVT_H__

/* forward references to other static functions */
static bool nlx_tm_invariant(const struct m0_net_transfer_mc *tm);
static void nlx_tm_ev_worker(struct m0_net_transfer_mc *tm);
static bool nlx_ep_invariant(const struct m0_net_end_point *ep);
static int nlx_ep_create(struct m0_net_end_point **epp,
                         struct m0_net_transfer_mc *tm,
                         const struct nlx_core_ep_addr *cepa);
static bool nlx_xo_buffer_bufvec_invariant(const struct m0_net_buffer *nb);

static inline
struct nlx_core_ep_addr *nlx_ep_to_core(struct m0_net_end_point *ep)
{
        struct nlx_xo_ep *xep;
        M0_PRE(nlx_ep_invariant(ep));
        xep = container_of(ep, struct nlx_xo_ep, xe_ep);
        return &xep->xe_core;
}

static int nlx_xo_core_bev_to_net_bev(struct m0_net_transfer_mc *tm,
                                      struct nlx_core_buffer_event *lcbev,
                                      struct m0_net_buffer_event *nbev);

static m0_time_t nlx_tm_get_buffer_timeout_tick(const struct
                                                m0_net_transfer_mc *tm);
static int nlx_tm_timeout_buffers(struct m0_net_transfer_mc *tm, m0_time_t now);
 /* LNetXODFS */

/* forward references to other static functions */
static bool nlx_core_buffer_invariant(const struct nlx_core_buffer *cb);
static bool nlx_core_tm_is_locked(const struct nlx_core_transfer_mc *ctm);

static uint32_t nlx_core_kmem_loc_checksum(const struct nlx_core_kmem_loc *loc);

static inline bool nlx_core_kmem_loc_invariant(
                                           const struct nlx_core_kmem_loc *loc)
{
        return _0C(loc != NULL) && _0C(loc->kl_page != NULL) &&
                _0C(loc->kl_checksum == nlx_core_kmem_loc_checksum(loc));
}

static inline bool nlx_core_kmem_loc_is_empty(
                                           const struct nlx_core_kmem_loc *loc)
{
        return loc->kl_page == NULL &&
                loc->kl_offset == 0 &&
                loc->kl_checksum == 0;
}

static inline bool nlx_core_kmem_loc_eq(const struct nlx_core_kmem_loc *a,
                                        const struct nlx_core_kmem_loc *b)
{
        if (a == NULL || b == NULL)
                return a == b;
        return a->kl_page == b->kl_page &&
                a->kl_offset == b->kl_offset &&
                a->kl_checksum == b->kl_checksum;
}

static int nlx_core_nidstr_decode(struct nlx_core_domain *lcdom,
                                  const char *nidstr,
                                  uint64_t *nid);

static int nlx_core_nidstr_encode(struct nlx_core_domain *lcdom,
                                  uint64_t nid,
                                  char nidstr[M0_NET_LNET_NIDSTR_SIZE]);
 /* LNetCore */

#endif /* __MOTR_NET_LNET_PVT_H__ */

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