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/*
* Copyright (c) 2022 Canon Medical Research USA, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VERBS_OSD_H_
#define _VERBS_OSD_H_
#include <stdio.h>
static inline int vrb_os_ini()
{
return 0;
}
static inline void vrb_os_fini()
{
}
static inline void vrb_os_mem_support(bool *peer_mem, bool *dmabuf)
{
char *line = NULL;
size_t line_size = 0;
ssize_t bytes;
FILE *kallsyms_fd;
kallsyms_fd = fopen("/proc/kallsyms", "r");
if (!kallsyms_fd)
return;
while ((bytes = getline(&line, &line_size, kallsyms_fd)) != -1) {
if (strstr(line, "ib_register_peer_memory_client"))
*peer_mem = true;
else if (strstr(line, "ib_umem_dmabuf_get"))
*dmabuf = true;
if (*peer_mem && *dmabuf)
break;
}
free(line);
fclose(kallsyms_fd);
}
#endif
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