File: knemrw.h

package info (click to toggle)
infinipath-psm 3.3+20.604758e7-6
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 2,452 kB
  • sloc: ansic: 34,270; makefile: 358; asm: 47; sh: 18
file content (58 lines) | stat: -rw-r--r-- 1,953 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/*
 * Copyright (c) 2010. QLogic Corporation. 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
 * OpenIB.org 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.
 */

#include <sys/types.h>
#include <stdint.h>

#if defined(PSM_USE_KNEM)
#include "knem_io.h"
#endif

/*
 * Open handle to knem device.
 */
int knem_open_device();

/*
 * read from remote process given a cookie
 */
int64_t knem_get(int fd, int64_t cookie, const void *src, int64_t n);

/*
 * write to remote process pid given a cookie
 */
int64_t knem_put(int fd, const void *src, int64_t n, int64_t cookie);

/*
 * register a memory region for put/get
 */
int64_t knem_register_region(void *buffer, size_t len, int write);