usr/src/cmd/isns/isnsd/isns_dd.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 /*
  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
  33 extern "C" {
  34 #endif
  35
  36 typedef uint32_t bmp_t;
  37
  38 /*
  39  * dd matrix
  40  */
  41 typedef 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 */
  88 int dd_matrix_init(struct cache *);
  89 int create_dd_object(isns_tlv_t *, uint16_t, isns_obj_t **);
  90 int create_dds_object(isns_tlv_t *, uint16_t, isns_obj_t **);
  91 int adm_create_dd(isns_obj_t **, uchar_t *, uint32_t, uint32_t);
  92 int adm_create_dds(isns_obj_t **, uchar_t *, uint32_t, uint32_t);
  93 int update_dd_name(uint32_t, uint32_t, uchar_t *);
  94 int update_dds_name(uint32_t, uint32_t, uchar_t *);
  95 int update_dd_features(uint32_t, uint32_t);
  96 int update_dds_status(uint32_t, uint32_t);
  97 uint32_t get_dd_id(uint32_t, uint32_t);
  98 uint32_t get_dds_id(uint32_t, uint32_t);
  99 uint32_t get_common_dd(uint32_t, uint32_t, uint32_t);
 100 int remove_dd_object(uint32_t);
 101 int remove_dds_object(uint32_t);
 102 int add_dd_member(isns_obj_t *);
 103 int add_dds_member(isns_obj_t *);
 104 int remove_dd_member(isns_obj_t *);
 105 int remove_dds_member(uint32_t, uint32_t);
 106 int get_dd_matrix(const uint32_t, bmp_t **, uint32_t *);
 107 int get_dds_matrix(const uint32_t, bmp_t **, uint32_t *);
 108 int get_scope(uchar_t *, bmp_t **, uint32_t *);
 109 int cb_clone_attrs(void *, void *);
 110 int is_dd_active(uint32_t);
 111 int update_ddd(void *, const uchar_t);
 112 int verify_ddd(void);
 113
 114 #ifdef __cplusplus
 115 }
 116 #endif
 117
 118 #endif /* _ISNS_DD_H */