xref: /titanic_44/usr/src/uts/common/sys/ib/clients/iser/iser_idm.h (revision 30e7468f8f41aa30ada067b2c1d5d284046514da)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _ISER_IDM_H
27 #define	_ISER_IDM_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <sys/idm/idm.h>
34 #include <sys/idm/idm_text.h>
35 
36 /*
37  * iSER transport routines
38  *
39  * All transport functions except iser_tgt_svc_create() are called through
40  * the ops vector, iser_tgt_svc_create() is called from the async handler
41  * inaddition to being called by the ULP
42  */
43 
44 /*
45  * For small transfers, it is both CPU and time intensive to register the
46  * memory used for the RDMA, So the transport does bcopy into memory that
47  * is already pre-registered and maintained in a cache.
48  */
49 #define	ISER_BCOPY_THRESHOLD	0x20000	/* 128k */
50 
51 idm_status_t iser_tgt_svc_create(idm_svc_req_t *sr, struct idm_svc_s *is);
52 
53 
54 #ifdef	__cplusplus
55 }
56 #endif
57 
58 #endif /* _ISER_IDM_H */
59