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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _LUN_MAP_H
#define _LUN_MAP_H
#include <sys/stmf_defines.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct stmf_lun_map {
uint32_t lm_nluns;
uint32_t lm_nentries;
void **lm_plus; /* this can be lun or view entry */
} stmf_lun_map_t;
struct stmf_itl_data;
typedef struct stmf_lun_map_ent {
struct stmf_lu *ent_lu;
struct stmf_itl_data *ent_itl_datap;
} stmf_lun_map_ent_t;
void stmf_view_init();
void stmf_view_clear_config();
stmf_status_t stmf_session_create_lun_map(stmf_i_local_port_t *ilport,
stmf_i_scsi_session_t *iss);
stmf_xfer_data_t *stmf_session_prepare_report_lun_data(stmf_lun_map_t *sm);
void stmf_add_lu_to_active_sessions(stmf_lu_t *lu);
void stmf_session_lu_unmapall(stmf_lu_t *lu);
void *stmf_get_ent_from_map(stmf_lun_map_t *sm, uint16_t lun_num);
/*
* Common struct used to maintain an Identifer's data. That Identifier
* can be a Host group, Target group or LU GUID data. Note that a LU is
* different from LU GUID data because either can be there without
* its counterpart being present in the system.
* id_impl_specific pointer to:
* case LUID, a list of stmf_view_entry
* case initiator group, a list of initiators
* case target group, a list of targets
* id_pt_to_object pointer to stmf_i_lu_t instance for LU.
*/
typedef struct stmf_id_data {
struct stmf_id_data *id_next;
struct stmf_id_data *id_prev;
uint32_t id_refcnt;
uint16_t id_type;
uint16_t id_data_size;
uint8_t *id_data;
uint32_t id_total_alloc_size;
uint32_t id_rsvd;
void *id_pt_to_object;
void *id_impl_specific;
} stmf_id_data_t;
typedef enum {
STMF_ID_TYPE_HOST,
STMF_ID_TYPE_TARGET,
STMF_ID_TYPE_LU_GUID,
STMF_ID_TYPE_HOST_GROUP,
STMF_ID_TYPE_TARGET_GROUP
} stmf_id_type_t;
typedef struct stmf_id_list {
stmf_id_data_t *idl_head;
stmf_id_data_t *idl_tail;
uint32_t id_count;
} stmf_id_list_t;
typedef struct stmf_view_entry {
struct stmf_view_entry *ve_next;
struct stmf_view_entry *ve_prev;
uint32_t ve_id;
stmf_id_data_t *ve_hg;
stmf_id_data_t *ve_tg;
stmf_id_data_t *ve_luid;
uint8_t ve_lun[8];
} stmf_view_entry_t;
/*
* Following structs are used as an alternate representation of view entries
* in a LU ID.
* ver_tg_root--->ver_tg_t +-> ver_tg_t ....
* | |
* vert_next-+
* |
* vert_verh_list --> ver_hg_t +-> ver_hg_t ....
* | |
* verh_next-+
* |
* verh_ve_map (view entry map for this
* target group + host group )
*/
typedef struct ver_hg {
struct ver_hg *verh_next;
stmf_id_data_t *verh_hg_ref; /* ref. to the host group */
stmf_lun_map_t verh_ve_map;
} stmf_ver_hg_t;
typedef struct ver_tg {
struct ver_tg *vert_next;
stmf_id_data_t *vert_tg_ref; /* ref to target group */
stmf_ver_hg_t *vert_verh_list;
} stmf_ver_tg_t;
/*
* flag which define how the merging of maps is to be done.
*/
typedef enum {
MERGE_FLAG_NO_DUPLICATE = 0x01, /* fail upon duplicate */
MERGE_FLAG_RETURN_NEW_MAP = 0x02, /* Does not modify dst */
MERGE_FLAG_NONE = 0
} stmf_merge_flags_t;
int stmf_add_group_member(uint8_t *grpname, uint16_t grpname_size,
uint8_t *entry_ident, uint16_t entry_size,
stmf_id_type_t entry_type, uint32_t *err_detail);
int stmf_remove_group_member(uint8_t *grpname, uint16_t grpname_size,
uint8_t *entry_ident, uint16_t entry_size,
stmf_id_type_t entry_type, uint32_t *err_detail);
int stmf_remove_group(uint8_t *grpname, uint16_t grpname_size,
stmf_id_type_t group_type, uint32_t *err_detail);
int stmf_add_group(uint8_t *grpname, uint16_t grpname_size,
stmf_id_type_t group_type, uint32_t *err_detail);
int stmf_add_ve(uint8_t *hgname, uint16_t hgname_size, uint8_t *tgname,
uint16_t tgname_size, uint8_t *lu_guid, uint32_t *ve_id,
uint8_t *luNbr, uint32_t *err_detail);
int stmf_validate_lun_ve(uint8_t *hgname, uint16_t hgname_size, uint8_t *tgname,
uint16_t tgname_size, uint8_t *luNbr, uint32_t *err_detail);
int stmf_remove_ve_by_id(uint8_t *guid, uint32_t veid, uint32_t *err_detail);
stmf_id_data_t *stmf_lookup_id(stmf_id_list_t *idlist, uint16_t id_size,
uint8_t *data);
stmf_id_data_t *stmf_lookup_group_for_target(uint8_t *ident,
uint16_t ident_size);
#ifdef __cplusplus
}
#endif
#endif /* _LUN_MAP_H */
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