scsi.d revision 9721:4f7e194c7c37 
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/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma	D depends_on module genunix
28#pragma	D depends_on module stmf
29
30/*
31 * The scsicmd_t structure should be used by providers
32 * to represent a SCSI command block (cdb).
33 */
34typedef struct scsicmd {
35	uint64_t ic_len;	/* CDB length */
36	uint8_t  *ic_cdb;	/* CDB data */
37} scsicmd_t;
38
39/*
40 * Translator for scsicmd_t, translating from a scsi_task_t
41 */
42#pragma D binding "1.5" translator
43translator scsicmd_t < scsi_task_t *T > {
44	ic_len = T->task_cdb_length;
45	ic_cdb = T->task_cdb;
46};
47
48/*
49 * The xferinfo_t structure can be used by providers to
50 * represent transfer information related to a single
51 * buffer. The members describing the remote memory
52 * are only valid if the transport layer is an RDMA-
53 * capable transport like Infiniband
54 */
55typedef struct xferinfo {
56	uintptr_t xfer_laddr;   /* local buffer address */
57	uint32_t xfer_loffset;
58	uint32_t xfer_lkey;     /* access control to local memory */
59	uintptr_t xfer_raddr;   /* remote virtual address */
60	uint32_t xfer_roffset;  /* offset from the remote address */
61	uint32_t xfer_rkey;     /* access control to remote virtual address */
62	uint32_t xfer_len;      /* transfer length */
63	uint32_t xfer_type;     /* Read (0) or Write (1) */
64} xferinfo_t;
65