6a31372511
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Change-Id: I27419445fbd938b56b66a5ba2cc1cde75e7129ac Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1886 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Seth Howell <seth.howell@intel.com>
148 lines
5.3 KiB
C
148 lines
5.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_ISCSI_TGT_NODE_H_
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#define SPDK_ISCSI_TGT_NODE_H_
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#include "spdk/stdinc.h"
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#include "iscsi/iscsi.h"
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struct spdk_iscsi_conn;
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struct spdk_iscsi_init_grp;
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struct spdk_iscsi_portal_grp;
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struct spdk_iscsi_portal;
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struct spdk_json_write_ctx;
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#define MAX_TARGET_MAP 256
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#define SPDK_TN_TAG_MAX 0x0000ffff
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typedef void (*iscsi_tgt_node_destruct_cb)(void *cb_arg, int rc);
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struct spdk_iscsi_ig_map {
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struct spdk_iscsi_init_grp *ig;
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TAILQ_ENTRY(spdk_iscsi_ig_map) tailq;
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};
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struct spdk_iscsi_pg_map {
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struct spdk_iscsi_portal_grp *pg;
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int num_ig_maps;
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TAILQ_HEAD(, spdk_iscsi_ig_map) ig_map_head;
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TAILQ_ENTRY(spdk_iscsi_pg_map) tailq ;
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};
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struct spdk_iscsi_tgt_node {
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int num;
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char name[MAX_TARGET_NAME + 1];
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char alias[MAX_TARGET_NAME + 1];
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pthread_mutex_t mutex;
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bool disable_chap;
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bool require_chap;
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bool mutual_chap;
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int chap_group;
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bool header_digest;
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bool data_digest;
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int queue_depth;
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struct spdk_scsi_dev *dev;
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/**
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* Counts number of active iSCSI connections associated with this
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* target node.
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*/
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uint32_t num_active_conns;
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struct spdk_iscsi_poll_group *pg;
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int num_pg_maps;
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TAILQ_HEAD(, spdk_iscsi_pg_map) pg_map_head;
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TAILQ_ENTRY(spdk_iscsi_tgt_node) tailq;
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bool destructed;
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struct spdk_poller *destruct_poller;
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iscsi_tgt_node_destruct_cb destruct_cb_fn;
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void *destruct_cb_arg;
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};
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int iscsi_parse_tgt_nodes(void);
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void iscsi_shutdown_tgt_nodes(void);
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void iscsi_shutdown_tgt_node_by_name(const char *target_name,
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iscsi_tgt_node_destruct_cb cb_fn, void *cb_arg);
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bool iscsi_tgt_node_is_destructed(struct spdk_iscsi_tgt_node *target);
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int iscsi_send_tgts(struct spdk_iscsi_conn *conn, const char *iiqn,
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const char *iaddr, const char *tiqn, uint8_t *data, int alloc_len,
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int data_len);
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/*
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* bdev_name_list and lun_id_list are equal sized arrays of size num_luns.
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* bdev_name_list refers to the names of the bdevs that will be used for the LUNs on the
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* new target node.
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* lun_id_list refers to the LUN IDs that will be used for the LUNs on the target node.
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*/
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struct spdk_iscsi_tgt_node *iscsi_tgt_node_construct(int target_index,
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const char *name, const char *alias,
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int *pg_tag_list, int *ig_tag_list, uint16_t num_maps,
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const char *bdev_name_list[], int *lun_id_list, int num_luns,
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int queue_depth,
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bool disable_chap, bool require_chap, bool mutual_chap, int chap_group,
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bool header_digest, bool data_digest);
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bool iscsi_check_chap_params(bool disable, bool require, bool mutual, int group);
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int iscsi_target_node_add_pg_ig_maps(struct spdk_iscsi_tgt_node *target,
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int *pg_tag_list, int *ig_tag_list,
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uint16_t num_maps);
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int iscsi_target_node_remove_pg_ig_maps(struct spdk_iscsi_tgt_node *target,
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int *pg_tag_list, int *ig_tag_list,
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uint16_t num_maps);
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bool iscsi_tgt_node_access(struct spdk_iscsi_conn *conn,
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struct spdk_iscsi_tgt_node *target, const char *iqn,
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const char *addr);
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struct spdk_iscsi_tgt_node *iscsi_find_tgt_node(const char *target_name);
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int iscsi_tgt_node_cleanup_luns(struct spdk_iscsi_conn *conn,
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struct spdk_iscsi_tgt_node *target);
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void iscsi_tgt_node_delete_map(struct spdk_iscsi_portal_grp *portal_group,
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struct spdk_iscsi_init_grp *initiator_group);
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int iscsi_tgt_node_add_lun(struct spdk_iscsi_tgt_node *target,
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const char *bdev_name, int lun_id);
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int iscsi_tgt_node_set_chap_params(struct spdk_iscsi_tgt_node *target,
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bool disable_chap, bool require_chap,
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bool mutual_chap, int32_t chap_group);
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void iscsi_tgt_nodes_config_text(FILE *fp);
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void iscsi_tgt_nodes_info_json(struct spdk_json_write_ctx *w);
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void iscsi_tgt_nodes_config_json(struct spdk_json_write_ctx *w);
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#endif /* SPDK_ISCSI_TGT_NODE_H_ */
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