xref: /onnv-gate/usr/src/lib/scsi/libscsi/common/libscsi_impl.h (revision 6316:40d5384cc8b2)
1*6316Seschrock /*
2*6316Seschrock  * CDDL HEADER START
3*6316Seschrock  *
4*6316Seschrock  * The contents of this file are subject to the terms of the
5*6316Seschrock  * Common Development and Distribution License (the "License").
6*6316Seschrock  * You may not use this file except in compliance with the License.
7*6316Seschrock  *
8*6316Seschrock  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*6316Seschrock  * or http://www.opensolaris.org/os/licensing.
10*6316Seschrock  * See the License for the specific language governing permissions
11*6316Seschrock  * and limitations under the License.
12*6316Seschrock  *
13*6316Seschrock  * When distributing Covered Code, include this CDDL HEADER in each
14*6316Seschrock  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*6316Seschrock  * If applicable, add the following below this CDDL HEADER, with the
16*6316Seschrock  * fields enclosed by brackets "[]" replaced with your own identifying
17*6316Seschrock  * information: Portions Copyright [yyyy] [name of copyright owner]
18*6316Seschrock  *
19*6316Seschrock  * CDDL HEADER END
20*6316Seschrock  */
21*6316Seschrock 
22*6316Seschrock /*
23*6316Seschrock  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24*6316Seschrock  * Use is subject to license terms.
25*6316Seschrock  */
26*6316Seschrock 
27*6316Seschrock #ifndef	_LIBSCSI_IMPL_H
28*6316Seschrock #define	_LIBSCSI_IMPL_H
29*6316Seschrock 
30*6316Seschrock #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*6316Seschrock 
32*6316Seschrock #ifdef	__cplusplus
33*6316Seschrock extern "C" {
34*6316Seschrock #endif
35*6316Seschrock 
36*6316Seschrock #include <libscsi.h>
37*6316Seschrock 
38*6316Seschrock #define	LIBSCSI_ENGINE_EXT	".so"
39*6316Seschrock 
40*6316Seschrock #define	LIBSCSI_ERRMSGLEN	512
41*6316Seschrock 
42*6316Seschrock typedef struct libscsi_engine_impl {
43*6316Seschrock 	const libscsi_engine_t *lsei_engine;
44*6316Seschrock 	void *lsei_dl_hdl;
45*6316Seschrock 	struct libscsi_engine_impl *lsei_next;
46*6316Seschrock } libscsi_engine_impl_t;
47*6316Seschrock 
48*6316Seschrock typedef struct libscsi_action_impl {
49*6316Seschrock 	libscsi_hdl_t *lsai_hdl;
50*6316Seschrock 	uint_t lsai_flags;
51*6316Seschrock 	uint32_t lsai_timeout;
52*6316Seschrock 	uint8_t *lsai_cdb;
53*6316Seschrock 	size_t lsai_cdb_len;
54*6316Seschrock 	size_t lsai_data_len;
55*6316Seschrock 	size_t lsai_data_alloc;
56*6316Seschrock 	uint8_t *lsai_data;
57*6316Seschrock 	sam4_status_t lsai_status;
58*6316Seschrock 	size_t lsai_sense_len;
59*6316Seschrock 	uint8_t *lsai_sense_data;
60*6316Seschrock 	uint8_t lsai_buf[1];
61*6316Seschrock } libscsi_action_impl_t;
62*6316Seschrock 
63*6316Seschrock struct libscsi_hdl {
64*6316Seschrock 	uint_t lsh_version;
65*6316Seschrock 	libscsi_errno_t lsh_errno;
66*6316Seschrock 	char lsh_errmsg[LIBSCSI_ERRMSGLEN];
67*6316Seschrock 	libscsi_engine_impl_t *lsh_engines;
68*6316Seschrock 	uint_t lsh_targets;
69*6316Seschrock };
70*6316Seschrock 
71*6316Seschrock struct libscsi_target {
72*6316Seschrock 	const libscsi_engine_t *lst_engine;
73*6316Seschrock 	char *lst_vendor;
74*6316Seschrock 	char *lst_product;
75*6316Seschrock 	char *lst_revision;
76*6316Seschrock 	void *lst_priv;
77*6316Seschrock 	uint_t lst_mtbf_cdb;
78*6316Seschrock 	uint_t lst_mtbf_read;
79*6316Seschrock 	uint_t lst_mtbf_write;
80*6316Seschrock 	struct libscsi_hdl *lst_hdl;
81*6316Seschrock };
82*6316Seschrock 
83*6316Seschrock #define	VERIFY(x)	((void)((x) || libscsi_assert(#x, __FILE__, __LINE__)))
84*6316Seschrock 
85*6316Seschrock #ifdef DEBUG
86*6316Seschrock #define	ASSERT(x)	VERIFY(x)
87*6316Seschrock #else
88*6316Seschrock #define	ASSERT(x)
89*6316Seschrock #endif
90*6316Seschrock 
91*6316Seschrock #define	LXOR(l, r)	(((l) != 0) ^ ((r) != 0))
92*6316Seschrock 
93*6316Seschrock extern int libscsi_assert(const char *, const char *, int);
94*6316Seschrock extern int libscsi_get_inquiry(struct libscsi_hdl *, struct libscsi_target *);
95*6316Seschrock 
96*6316Seschrock #ifdef	__cplusplus
97*6316Seschrock }
98*6316Seschrock #endif
99*6316Seschrock 
100*6316Seschrock #endif	/* _LIBSCSI_IMPL_H */
101