/*
* Copyright 2016-2018, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* rpmem_fip_common.h -- common definitions for librpmem and rpmemd
*/
#ifndef RPMEM_FIP_COMMON_H
#define RPMEM_FIP_COMMON_H 1
#include <string.h>
#include <netinet/in.h>
#include <rdma/fabric.h>
#include <rdma/fi_cm.h>
#include <rdma/fi_rma.h>
#ifdef __cplusplus
extern "C" {
#endif
#define RPMEM_FIVERSION FI_VERSION(1, 4)
#define RPMEM_FIP_CQ_WAIT_MS 100
#define min(a, b) ((a) < (b) ? (a) : (b))
/*
* rpmem_fip_node -- client or server node type
*/
enum rpmem_fip_node {
RPMEM_FIP_NODE_CLIENT,
RPMEM_FIP_NODE_SERVER,
MAX_RPMEM_FIP_NODE,
};
/*
* rpmem_fip_probe -- list of providers
*/
struct rpmem_fip_probe {
unsigned providers;
};
/*
* rpmem_fip_probe -- returns true if specified provider is available
*/
static inline int
rpmem_fip_probe(struct rpmem_fip_probe probe, enum rpmem_provider provider)
{
return (probe.providers & (1U << provider)) != 0;
}
/*
* rpmem_fip_probe_any -- returns true if any provider is available
*/
static inline int
rpmem_fip_probe_any(struct rpmem_fip_probe probe)
{
return probe.providers != 0;
}
int rpmem_fip_probe_get(const char *target, struct rpmem_fip_probe *probe);
struct fi_info *rpmem_fip_get_hints(enum rpmem_provider provider);
int rpmem_fip_read_eq_check(struct fid_eq *eq, struct fi_eq_cm_entry *entry,
uint32_t exp_event, fid_t exp_fid, int timeout);
int rpmem_fip_read_eq(struct fid_eq *eq, struct fi_eq_cm_entry *entry,
uint32_t *event, int timeout);
size_t rpmem_fip_cq_size(enum rpmem_persist_method pm,
enum rpmem_fip_node node);
size_t rpmem_fip_tx_size(enum rpmem_persist_method pm,
enum rpmem_fip_node node);
size_t rpmem_fip_rx_size(enum rpmem_persist_method pm,
enum rpmem_fip_node node);
size_t rpmem_fip_max_nlanes(struct fi_info *fi);
void rpmem_fip_print_info(struct fi_info *fi);
#ifdef __cplusplus
}
#endif
#endif