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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 #ifndef _LUN_MAP_H 26 #define _LUN_MAP_H 27 28 #include <sys/stmf_defines.h> 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 typedef struct stmf_lun_map { 35 uint32_t lm_nluns; 36 uint32_t lm_nentries; 37 void **lm_plus; /* this can be lun or view entry */ 38 } stmf_lun_map_t; 39 40 struct stmf_itl_data; 41 42 typedef struct stmf_lun_map_ent { 43 struct stmf_lu *ent_lu; 44 struct stmf_itl_data *ent_itl_datap; 45 } stmf_lun_map_ent_t; 46 47 void stmf_view_init(); 48 void stmf_view_clear_config(); 49 stmf_status_t stmf_session_create_lun_map(stmf_i_local_port_t *ilport, 50 stmf_i_scsi_session_t *iss); 51 stmf_status_t stmf_session_destroy_lun_map(stmf_i_local_port_t *ilport, 52 stmf_i_scsi_session_t *iss); 53 stmf_xfer_data_t *stmf_session_prepare_report_lun_data(stmf_lun_map_t *sm); 54 void stmf_add_lu_to_active_sessions(stmf_lu_t *lu); 55 void stmf_session_lu_unmapall(stmf_lu_t *lu); 56 void *stmf_get_ent_from_map(stmf_lun_map_t *sm, uint16_t lun_num); 57 58 59 /* 60 * Common struct used to maintain an Identifer's data. That Identifier 61 * can be a Host group, Target group or LU GUID data. Note that a LU is 62 * different from LU GUID data because either can be there without 63 * its counterpart being present in the system. 64 * id_impl_specific pointer to: 65 * case LUID, a list of stmf_view_entry 66 * case initiator group, a list of initiators 67 * case target group, a list of targets 68 * id_pt_to_object pointer to stmf_i_lu_t instance for LU. 69 */ 70 typedef struct stmf_id_data { 71 struct stmf_id_data *id_next; 72 struct stmf_id_data *id_prev; 73 uint32_t id_refcnt; 74 uint16_t id_type; 75 uint16_t id_data_size; 76 uint8_t *id_data; 77 uint32_t id_total_alloc_size; 78 uint32_t id_rsvd; 79 void *id_pt_to_object; 80 void *id_impl_specific; 81 } stmf_id_data_t; 82 83 typedef enum { 84 STMF_ID_TYPE_HOST, 85 STMF_ID_TYPE_TARGET, 86 STMF_ID_TYPE_LU_GUID, 87 STMF_ID_TYPE_HOST_GROUP, 88 STMF_ID_TYPE_TARGET_GROUP 89 } stmf_id_type_t; 90 91 typedef struct stmf_id_list { 92 stmf_id_data_t *idl_head; 93 stmf_id_data_t *idl_tail; 94 uint32_t id_count; 95 } stmf_id_list_t; 96 97 typedef struct stmf_view_entry { 98 struct stmf_view_entry *ve_next; 99 struct stmf_view_entry *ve_prev; 100 uint32_t ve_id; 101 stmf_id_data_t *ve_hg; 102 stmf_id_data_t *ve_tg; 103 stmf_id_data_t *ve_luid; 104 uint8_t ve_lun[8]; 105 } stmf_view_entry_t; 106 107 /* 108 * Following structs are used as an alternate representation of view entries 109 * in a LU ID. 110 * ver_tg_root--->ver_tg_t +-> ver_tg_t .... 111 * | | 112 * vert_next-+ 113 * | 114 * vert_verh_list --> ver_hg_t +-> ver_hg_t .... 115 * | | 116 * verh_next-+ 117 * | 118 * verh_ve_map (view entry map for this 119 * target group + host group ) 120 */ 121 122 typedef struct ver_hg { 123 struct ver_hg *verh_next; 124 stmf_id_data_t *verh_hg_ref; /* ref. to the host group */ 125 stmf_lun_map_t verh_ve_map; 126 } stmf_ver_hg_t; 127 128 typedef struct ver_tg { 129 struct ver_tg *vert_next; 130 stmf_id_data_t *vert_tg_ref; /* ref to target group */ 131 stmf_ver_hg_t *vert_verh_list; 132 } stmf_ver_tg_t; 133 134 /* 135 * flag which define how the merging of maps is to be done. 136 */ 137 typedef enum { 138 MERGE_FLAG_NO_DUPLICATE = 0x01, /* fail upon duplicate */ 139 MERGE_FLAG_RETURN_NEW_MAP = 0x02, /* Does not modify dst */ 140 MERGE_FLAG_NONE = 0 141 } stmf_merge_flags_t; 142 143 int stmf_add_group_member(uint8_t *grpname, uint16_t grpname_size, 144 uint8_t *entry_ident, uint16_t entry_size, 145 stmf_id_type_t entry_type, uint32_t *err_detail); 146 int stmf_remove_group_member(uint8_t *grpname, uint16_t grpname_size, 147 uint8_t *entry_ident, uint16_t entry_size, 148 stmf_id_type_t entry_type, uint32_t *err_detail); 149 int stmf_remove_group(uint8_t *grpname, uint16_t grpname_size, 150 stmf_id_type_t group_type, uint32_t *err_detail); 151 int stmf_add_group(uint8_t *grpname, uint16_t grpname_size, 152 stmf_id_type_t group_type, uint32_t *err_detail); 153 int stmf_add_ve(uint8_t *hgname, uint16_t hgname_size, uint8_t *tgname, 154 uint16_t tgname_size, uint8_t *lu_guid, uint32_t *ve_id, 155 uint8_t *luNbr, uint32_t *err_detail); 156 int stmf_remove_ve_by_id(uint8_t *guid, uint32_t veid, uint32_t *err_detail); 157 stmf_id_data_t *stmf_lookup_id(stmf_id_list_t *idlist, uint16_t id_size, 158 uint8_t *data); 159 stmf_id_data_t *stmf_lookup_group_for_target(uint8_t *ident, 160 uint16_t ident_size); 161 162 #ifdef __cplusplus 163 } 164 #endif 165 166 #endif /* _LUN_MAP_H */ 167