/*- * BSD LICENSE * * Copyright (C) 2008-2012 Daisuke Aoyama . * Copyright (c) Intel Corporation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef SPDK_ISCSI_TGT_NODE_H_ #define SPDK_ISCSI_TGT_NODE_H_ #include "spdk/stdinc.h" #include "iscsi/iscsi.h" struct spdk_iscsi_conn; struct spdk_iscsi_init_grp; struct spdk_iscsi_portal_grp; struct spdk_iscsi_portal; struct spdk_json_write_ctx; #define MAX_TARGET_MAP 256 #define SPDK_TN_TAG_MAX 0x0000ffff typedef void (*iscsi_tgt_node_destruct_cb)(void *cb_arg, int rc); struct spdk_iscsi_ig_map { struct spdk_iscsi_init_grp *ig; TAILQ_ENTRY(spdk_iscsi_ig_map) tailq; }; struct spdk_iscsi_pg_map { struct spdk_iscsi_portal_grp *pg; int num_ig_maps; TAILQ_HEAD(, spdk_iscsi_ig_map) ig_map_head; char redirect_host[MAX_PORTAL_ADDR + 1]; char redirect_port[MAX_PORTAL_PORT + 1]; TAILQ_ENTRY(spdk_iscsi_pg_map) tailq ; }; struct spdk_iscsi_tgt_node { int num; char name[MAX_TARGET_NAME + 1]; char alias[MAX_TARGET_NAME + 1]; pthread_mutex_t mutex; bool disable_chap; bool require_chap; bool mutual_chap; int chap_group; bool header_digest; bool data_digest; int queue_depth; struct spdk_scsi_dev *dev; /** * Counts number of active iSCSI connections associated with this * target node. */ uint32_t num_active_conns; struct spdk_iscsi_poll_group *pg; int num_pg_maps; TAILQ_HEAD(, spdk_iscsi_pg_map) pg_map_head; TAILQ_ENTRY(spdk_iscsi_tgt_node) tailq; bool destructed; struct spdk_poller *destruct_poller; iscsi_tgt_node_destruct_cb destruct_cb_fn; void *destruct_cb_arg; }; void iscsi_shutdown_tgt_nodes(void); void iscsi_shutdown_tgt_node_by_name(const char *target_name, iscsi_tgt_node_destruct_cb cb_fn, void *cb_arg); bool iscsi_tgt_node_is_destructed(struct spdk_iscsi_tgt_node *target); int iscsi_send_tgts(struct spdk_iscsi_conn *conn, const char *iiqn, const char *tiqn, uint8_t *data, int alloc_len, int data_len); /* * bdev_name_list and lun_id_list are equal sized arrays of size num_luns. * bdev_name_list refers to the names of the bdevs that will be used for the LUNs on the * new target node. * lun_id_list refers to the LUN IDs that will be used for the LUNs on the target node. */ struct spdk_iscsi_tgt_node *iscsi_tgt_node_construct(int target_index, const char *name, const char *alias, int *pg_tag_list, int *ig_tag_list, uint16_t num_maps, const char *bdev_name_list[], int *lun_id_list, int num_luns, int queue_depth, bool disable_chap, bool require_chap, bool mutual_chap, int chap_group, bool header_digest, bool data_digest); bool iscsi_check_chap_params(bool disable, bool require, bool mutual, int group); int iscsi_target_node_add_pg_ig_maps(struct spdk_iscsi_tgt_node *target, int *pg_tag_list, int *ig_tag_list, uint16_t num_maps); int iscsi_target_node_remove_pg_ig_maps(struct spdk_iscsi_tgt_node *target, int *pg_tag_list, int *ig_tag_list, uint16_t num_maps); int iscsi_tgt_node_redirect(struct spdk_iscsi_tgt_node *target, int pg_tag, const char *host, const char *port); bool iscsi_tgt_node_is_redirected(struct spdk_iscsi_conn *conn, struct spdk_iscsi_tgt_node *target, char *buf, int buf_len); bool iscsi_tgt_node_access(struct spdk_iscsi_conn *conn, struct spdk_iscsi_tgt_node *target, const char *iqn, const char *addr); struct spdk_iscsi_tgt_node *iscsi_find_tgt_node(const char *target_name); int iscsi_tgt_node_cleanup_luns(struct spdk_iscsi_conn *conn, struct spdk_iscsi_tgt_node *target); void iscsi_tgt_node_delete_map(struct spdk_iscsi_portal_grp *portal_group, struct spdk_iscsi_init_grp *initiator_group); int iscsi_tgt_node_add_lun(struct spdk_iscsi_tgt_node *target, const char *bdev_name, int lun_id); int iscsi_tgt_node_set_chap_params(struct spdk_iscsi_tgt_node *target, bool disable_chap, bool require_chap, bool mutual_chap, int32_t chap_group); void iscsi_tgt_nodes_info_json(struct spdk_json_write_ctx *w); void iscsi_tgt_nodes_config_json(struct spdk_json_write_ctx *w); #endif /* SPDK_ISCSI_TGT_NODE_H_ */