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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26#ifndef	_SMP_IMPL_H
27#define	_SMP_IMPL_H
28
29#ifdef	__cplusplus
30extern "C" {
31#endif
32
33#include <sys/scsi/generic/smp_frames.h>
34
35#include <scsi/libsmp.h>
36#include <scsi/libsmp_plugin.h>
37
38#include <pthread.h>
39
40#define	LIBSMP_ERRMSGLEN	512
41
42#define	LIBSMP_DEFAULT_PLUGINDIR	"/usr/lib/scsi/plugins/smp"
43#define	LIBSMP_PLUGIN_ENGINE		"engine"
44#define	LIBSMP_PLUGIN_FRAMEWORK		"framework"
45#define	LIBSMP_PLUGIN_VENDOR		"vendor"
46
47#define	LIBSMP_PLUGIN_EXT		".so"
48
49#define	LIBSMP_DEFAULT_ENGINE		"usmp"
50
51struct smp_engine {
52	char *se_name;
53	const smp_engine_ops_t *se_ops;
54	void *se_object;
55	int (*se_init)(struct smp_engine *);
56	void (*se_fini)(struct smp_engine *);
57	uint_t se_refcnt;
58	struct smp_engine *se_next;
59};
60
61struct smp_plugin {
62	struct smp_plugin *sp_next;
63	struct smp_plugin *sp_prev;
64	smp_target_t *sp_target;
65	uint64_t sp_priority;
66	void *sp_object;
67	void *sp_data;
68	boolean_t sp_initialized;
69	const smp_function_def_t *sp_functions;
70	int (*sp_init)(smp_plugin_t *);
71	void (*sp_fini)(smp_plugin_t *);
72};
73
74#define	SMP_ACTION_F_OFFSET		0x01
75#define	SMP_ACTION_F_EXEC		0x02
76#define	SMP_ACTION_F_DECODE		0x04
77
78struct smp_action {
79	uint32_t sa_timeout;
80	const smp_function_def_t *sa_def;
81	uint8_t *sa_request;
82	size_t sa_request_rqsd;
83	size_t sa_request_alloc_len;
84	off_t sa_request_data_off;
85	uint8_t *sa_response;
86	size_t sa_response_alloc_len;
87	size_t sa_response_engine_len;
88	size_t sa_response_data_len;
89	off_t sa_response_data_off;
90	smp_result_t sa_result;
91	uint_t sa_flags;
92	uint_t sa_cap;
93	uint8_t sa_buf[1];
94};
95
96struct smp_target {
97	smp_engine_t *st_engine;
98	void *st_priv;
99	uint_t st_mtbf_request;
100	uint_t st_mtbf_response;
101	uint16_t st_change_count;
102	smp_plugin_t *st_plugin_first;
103	smp_plugin_t *st_plugin_last;
104	char *st_vendor;
105	char *st_product;
106	char *st_revision;
107	char *st_component_vendor;
108	uint16_t st_component_id;
109	uint8_t st_component_revision;
110	smp_report_general_resp_t st_repgen;
111};
112
113extern void smp_engine_init(void);
114extern void smp_engine_fini(void);
115
116extern int smp_plugin_load(smp_target_t *);
117extern void smp_plugin_unload(smp_target_t *);
118
119#ifdef	__cplusplus
120}
121#endif
122
123#endif	/* _SMP_IMPL_H */
124