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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef TARGET_CORE_INTERNAL_H3#define TARGET_CORE_INTERNAL_H4 5#include <linux/configfs.h>6#include <linux/list.h>7#include <linux/types.h>8#include <target/target_core_base.h>9 10#define TARGET_CORE_NAME_MAX_LEN 6411#define TARGET_FABRIC_NAME_SIZE 3212 13struct target_backend {14 struct list_head list;15 16 const struct target_backend_ops *ops;17 18 struct config_item_type tb_dev_cit;19 struct config_item_type tb_dev_attrib_cit;20 struct config_item_type tb_dev_action_cit;21 struct config_item_type tb_dev_pr_cit;22 struct config_item_type tb_dev_wwn_cit;23 struct config_item_type tb_dev_alua_tg_pt_gps_cit;24 struct config_item_type tb_dev_stat_cit;25};26 27struct target_fabric_configfs {28 atomic_t tf_access_cnt;29 struct list_head tf_list;30 struct config_group tf_group;31 struct config_group tf_disc_group;32 const struct target_core_fabric_ops *tf_ops;33 34 struct config_item_type tf_discovery_cit;35 struct config_item_type tf_wwn_cit;36 struct config_item_type tf_wwn_fabric_stats_cit;37 struct config_item_type tf_wwn_param_cit;38 struct config_item_type tf_tpg_cit;39 struct config_item_type tf_tpg_base_cit;40 struct config_item_type tf_tpg_lun_cit;41 struct config_item_type tf_tpg_port_cit;42 struct config_item_type tf_tpg_port_stat_cit;43 struct config_item_type tf_tpg_np_cit;44 struct config_item_type tf_tpg_np_base_cit;45 struct config_item_type tf_tpg_attrib_cit;46 struct config_item_type tf_tpg_auth_cit;47 struct config_item_type tf_tpg_param_cit;48 struct config_item_type tf_tpg_nacl_cit;49 struct config_item_type tf_tpg_nacl_base_cit;50 struct config_item_type tf_tpg_nacl_attrib_cit;51 struct config_item_type tf_tpg_nacl_auth_cit;52 struct config_item_type tf_tpg_nacl_param_cit;53 struct config_item_type tf_tpg_nacl_stat_cit;54 struct config_item_type tf_tpg_mappedlun_cit;55 struct config_item_type tf_tpg_mappedlun_stat_cit;56};57 58/* target_core_alua.c */59extern struct t10_alua_lu_gp *default_lu_gp;60 61/* target_core_device.c */62struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);63void target_pr_kref_release(struct kref *);64void core_free_device_list_for_node(struct se_node_acl *,65 struct se_portal_group *);66void core_update_device_list_access(u64, bool, struct se_node_acl *);67struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);68int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,69 u64, bool, struct se_node_acl *, struct se_portal_group *);70void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,71 struct se_node_acl *, struct se_portal_group *);72void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);73int core_dev_add_lun(struct se_portal_group *, struct se_device *,74 struct se_lun *lun);75void core_dev_del_lun(struct se_portal_group *, struct se_lun *);76struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,77 struct se_node_acl *, u64, int *);78int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,79 struct se_lun_acl *, struct se_lun *lun, bool);80int core_dev_del_initiator_node_lun_acl(struct se_lun *,81 struct se_lun_acl *);82void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,83 struct se_lun_acl *lacl);84int core_dev_setup_virtual_lun0(void);85void core_dev_release_virtual_lun0(void);86struct se_device *target_alloc_device(struct se_hba *hba, const char *name);87int target_configure_device(struct se_device *dev);88void target_free_device(struct se_device *);89int target_for_each_device(int (*fn)(struct se_device *dev, void *data),90 void *data);91void target_dev_ua_allocate(struct se_device *dev, u8 asc, u8 ascq);92 93/* target_core_configfs.c */94extern struct configfs_item_operations target_core_dev_item_ops;95void target_setup_backend_cits(struct target_backend *);96 97/* target_core_fabric_configfs.c */98int target_fabric_setup_cits(struct target_fabric_configfs *);99 100/* target_core_fabric_lib.c */101int target_get_pr_transport_id_len(struct se_node_acl *nacl,102 struct t10_pr_registration *pr_reg, int *format_code);103int target_get_pr_transport_id(struct se_node_acl *nacl,104 struct t10_pr_registration *pr_reg, int *format_code,105 unsigned char *buf);106const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,107 char *buf, u32 *out_tid_len, char **port_nexus_ptr);108 109/* target_core_hba.c */110struct se_hba *core_alloc_hba(const char *, u32, u32);111int core_delete_hba(struct se_hba *);112 113/* target_core_tmr.c */114void core_tmr_abort_task(struct se_device *, struct se_tmr_req *,115 struct se_session *);116int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,117 struct list_head *, struct se_cmd *);118 119/* target_core_tpg.c */120extern struct se_device *g_lun0_dev;121 122struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,123 const char *);124void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,125 struct se_lun *);126void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);127struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);128int core_tpg_add_lun(struct se_portal_group *, struct se_lun *,129 bool, struct se_device *);130void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);131struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,132 const char *initiatorname);133void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);134int target_tpg_enable(struct se_portal_group *se_tpg);135int target_tpg_disable(struct se_portal_group *se_tpg);136 137/* target_core_transport.c */138int init_se_kmem_caches(void);139void release_se_kmem_caches(void);140u32 scsi_get_new_index(scsi_index_t);141void transport_subsystem_check_init(void);142unsigned char *transport_dump_cmd_direction(struct se_cmd *);143void transport_dump_dev_state(struct se_device *, char *, int *);144void transport_dump_dev_info(struct se_device *, struct se_lun *,145 unsigned long long, char *, int *);146void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);147int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);148int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);149int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);150void transport_clear_lun_ref(struct se_lun *);151sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);152void target_qf_do_work(struct work_struct *work);153void target_do_delayed_work(struct work_struct *work);154bool target_check_wce(struct se_device *dev);155bool target_check_fua(struct se_device *dev);156void __target_execute_cmd(struct se_cmd *, bool);157void target_queued_submit_work(struct work_struct *work);158 159/* target_core_stat.c */160void target_stat_setup_dev_default_groups(struct se_device *);161void target_stat_setup_port_default_groups(struct se_lun *);162void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);163 164/* target_core_xcopy.c */165extern struct se_portal_group xcopy_pt_tpg;166 167/* target_core_configfs.c */168#define DB_ROOT_LEN 4096169#define DB_ROOT_DEFAULT "/var/target"170#define DB_ROOT_PREFERRED "/etc/target"171 172extern char db_root[];173 174#endif /* TARGET_CORE_INTERNAL_H */175