1 /*
2  * Copyright (c) 2017 Intel Corporation, Inc.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #include <stdlib.h>
34 #include <string.h>
35 
36 #include <ofi_enosys.h>
37 #include <ofi_util.h>
38 
ofi_pep_bind_eq(struct util_pep * pep,struct util_eq * eq,uint64_t flags)39 int ofi_pep_bind_eq(struct util_pep *pep, struct util_eq *eq, uint64_t flags)
40 {
41 	if (flags) {
42 		FI_WARN(pep->fabric->prov, FI_LOG_EP_CTRL, "Invalid flags\n");
43 		return -FI_EINVAL;
44 	}
45 
46 	if (pep->fabric != eq->fabric) {
47 		FI_WARN(pep->fabric->prov, FI_LOG_EP_CTRL,
48 			"Cannot bind Passive EP and EQ on different fabrics\n");
49 		return -FI_EINVAL;
50 	}
51 
52 	pep->eq = eq;
53 	ofi_atomic_inc32(&pep->eq->ref);
54 	return 0;
55 }
56 
ofi_pep_init(struct fid_fabric * fabric,struct fi_info * info,struct util_pep * pep,void * context)57 int ofi_pep_init(struct fid_fabric *fabric,  struct fi_info *info,
58 		 struct util_pep *pep, void *context)
59 {
60 	pep->pep_fid.fid.fclass = FI_CLASS_PEP;
61 	pep->fabric = container_of(fabric, struct util_fabric, fabric_fid);
62 	pep->pep_fid.fid.context = context;
63 
64 	return 0;
65 }
66 
ofi_pep_close(struct util_pep * pep)67 int ofi_pep_close(struct util_pep *pep)
68 {
69 	if (pep->eq)
70 		ofi_atomic_dec32(&pep->eq->ref);
71 
72 	return 0;
73 }
74