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 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_ISNS_DD_H
28#define	_ISNS_DD_H
29
30#include <synch.h>
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36typedef uint32_t bmp_t;
37
38/*
39 * dd matrix
40 */
41typedef struct matrix {
42	uint32_t x, y;
43	/* uint32_t *z; */ /* obsoleted- map between uid & mid */
44	/* rwlock_t l; */ /* obsoleted */
45	bmp_t *m;
46	struct cache *c;
47} matrix_t;
48
49#define	MATRIX_X_HEADER		(1)
50#define	MATRIX_X_INFO(X)	(X[0])
51
52#define	SIZEOF_X_UNIT(M)	(((M)->x + MATRIX_X_HEADER) * sizeof (bmp_t))
53#define	MATRIX_X_UNIT(M, N)	&(M)->m[(N) * ((M)->x + MATRIX_X_HEADER)]
54
55#define	NUM_OF_MEMBER(M)	((M)->x * sizeof (bmp_t) * 8)
56#define	UID2MID(M, UID)		get_mid(M, UID)
57#define	NEW_MID(M, UID)		new_mid(M, UID)
58
59#define	GET_PRIMARY(UID)	(UID) / (sizeof (bmp_t) * 8)
60#define	GET_SECOND(UID)		(UID) % (sizeof (bmp_t) * 8)
61#define	COMP_UID(PRI, SND)	((PRI) * sizeof (bmp_t) * 8 + (SND))
62
63#define	SET_MEMBERSHIP(BMP, PRI, SND)	\
64	(BMP)[(PRI) + MATRIX_X_HEADER] |= (0x1 << (SND))
65#define	CLEAR_MEMBERSHIP(BMP, PRI, SND)	\
66	(BMP)[(PRI) + MATRIX_X_HEADER] &= ~(0x1 << (SND))
67
68#define	TEST_MEMBERSHIP(BMP, PRI, SEC) \
69	((BMP)[(PRI) + MATRIX_X_HEADER] & (0x1 << (SEC)))
70
71#define	FOR_EACH_MEMBER(BMP, NUM, UID, STMT) \
72{\
73	int i1624 = 0;\
74	while (i1624 < (NUM)) {\
75		int j1624 = 0;\
76		while (j1624 < 8 * sizeof ((BMP)[0])) {\
77			if (((BMP)[i1624] & (1 << j1624)) != 0) {\
78				UID = COMP_UID(i1624, j1624);\
79				STMT\
80			}\
81			j1624 ++;\
82		}\
83		i1624 ++;\
84	}\
85}
86
87/* functions */
88int dd_matrix_init(struct cache *);
89int create_dd_object(isns_tlv_t *, uint16_t, isns_obj_t **);
90int create_dds_object(isns_tlv_t *, uint16_t, isns_obj_t **);
91int adm_create_dd(isns_obj_t **, uchar_t *, uint32_t, uint32_t);
92int adm_create_dds(isns_obj_t **, uchar_t *, uint32_t, uint32_t);
93int update_dd_name(uint32_t, uint32_t, uchar_t *);
94int update_dds_name(uint32_t, uint32_t, uchar_t *);
95int update_dd_features(uint32_t, uint32_t);
96int update_dds_status(uint32_t, uint32_t);
97uint32_t get_dd_id(uint32_t, uint32_t);
98uint32_t get_dds_id(uint32_t, uint32_t);
99uint32_t get_common_dd(uint32_t, uint32_t, uint32_t);
100int remove_dd_object(uint32_t);
101int remove_dds_object(uint32_t);
102int add_dd_member(isns_obj_t *);
103int add_dds_member(isns_obj_t *);
104int remove_dd_member(isns_obj_t *);
105int remove_dds_member(uint32_t, uint32_t);
106int get_dd_matrix(const uint32_t, bmp_t **, uint32_t *);
107int get_dds_matrix(const uint32_t, bmp_t **, uint32_t *);
108int get_scope(uchar_t *, bmp_t **, uint32_t *);
109int cb_clone_attrs(void *, void *);
110int is_dd_active(uint32_t);
111int update_ddd(void *, const uchar_t);
112int verify_ddd(void);
113
114#ifdef __cplusplus
115}
116#endif
117
118#endif /* _ISNS_DD_H */
119