include/sys/ib/clients/iser/iser_idm.h

   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 */