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 */