1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef TARGET_CORE_INTERNAL_H 3 #define TARGET_CORE_INTERNAL_H 4 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 64 11 #define TARGET_FABRIC_NAME_SIZE 32 12 13 struct 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 27 struct 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_tpg_cit; 38 struct config_item_type tf_tpg_base_cit; 39 struct config_item_type tf_tpg_lun_cit; 40 struct config_item_type tf_tpg_port_cit; 41 struct config_item_type tf_tpg_port_stat_cit; 42 struct config_item_type tf_tpg_np_cit; 43 struct config_item_type tf_tpg_np_base_cit; 44 struct config_item_type tf_tpg_attrib_cit; 45 struct config_item_type tf_tpg_auth_cit; 46 struct config_item_type tf_tpg_param_cit; 47 struct config_item_type tf_tpg_nacl_cit; 48 struct config_item_type tf_tpg_nacl_base_cit; 49 struct config_item_type tf_tpg_nacl_attrib_cit; 50 struct config_item_type tf_tpg_nacl_auth_cit; 51 struct config_item_type tf_tpg_nacl_param_cit; 52 struct config_item_type tf_tpg_nacl_stat_cit; 53 struct config_item_type tf_tpg_mappedlun_cit; 54 struct config_item_type tf_tpg_mappedlun_stat_cit; 55 }; 56 57 /* target_core_alua.c */ 58 extern struct t10_alua_lu_gp *default_lu_gp; 59 60 /* target_core_device.c */ 61 int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev); 62 struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16); 63 void target_pr_kref_release(struct kref *); 64 void core_free_device_list_for_node(struct se_node_acl *, 65 struct se_portal_group *); 66 void core_update_device_list_access(u64, bool, struct se_node_acl *); 67 struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64); 68 int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *, 69 u64, bool, struct se_node_acl *, struct se_portal_group *); 70 void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *, 71 struct se_node_acl *, struct se_portal_group *); 72 void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *); 73 int core_dev_add_lun(struct se_portal_group *, struct se_device *, 74 struct se_lun *lun); 75 void core_dev_del_lun(struct se_portal_group *, struct se_lun *); 76 struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *, 77 struct se_node_acl *, u64, int *); 78 int core_dev_add_initiator_node_lun_acl(struct se_portal_group *, 79 struct se_lun_acl *, struct se_lun *lun, bool); 80 int core_dev_del_initiator_node_lun_acl(struct se_lun *, 81 struct se_lun_acl *); 82 void core_dev_free_initiator_node_lun_acl(struct se_portal_group *, 83 struct se_lun_acl *lacl); 84 int core_dev_setup_virtual_lun0(void); 85 void core_dev_release_virtual_lun0(void); 86 struct se_device *target_alloc_device(struct se_hba *hba, const char *name); 87 int target_configure_device(struct se_device *dev); 88 void target_free_device(struct se_device *); 89 int target_for_each_device(int (*fn)(struct se_device *dev, void *data), 90 void *data); 91 92 /* target_core_configfs.c */ 93 extern struct configfs_item_operations target_core_dev_item_ops; 94 void target_setup_backend_cits(struct target_backend *); 95 96 /* target_core_fabric_configfs.c */ 97 int target_fabric_setup_cits(struct target_fabric_configfs *); 98 99 /* target_core_fabric_lib.c */ 100 int target_get_pr_transport_id_len(struct se_node_acl *nacl, 101 struct t10_pr_registration *pr_reg, int *format_code); 102 int target_get_pr_transport_id(struct se_node_acl *nacl, 103 struct t10_pr_registration *pr_reg, int *format_code, 104 unsigned char *buf); 105 const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg, 106 char *buf, u32 *out_tid_len, char **port_nexus_ptr); 107 108 /* target_core_hba.c */ 109 struct se_hba *core_alloc_hba(const char *, u32, u32); 110 int core_delete_hba(struct se_hba *); 111 112 /* target_core_tmr.c */ 113 void core_tmr_abort_task(struct se_device *, struct se_tmr_req *, 114 struct se_session *); 115 int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *, 116 struct list_head *, struct se_cmd *); 117 118 /* target_core_tpg.c */ 119 extern struct se_device *g_lun0_dev; 120 121 struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg, 122 const char *); 123 void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *, 124 struct se_lun *); 125 void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *); 126 struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64); 127 int core_tpg_add_lun(struct se_portal_group *, struct se_lun *, 128 bool, struct se_device *); 129 void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *); 130 struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg, 131 const char *initiatorname); 132 void core_tpg_del_initiator_node_acl(struct se_node_acl *acl); 133 134 /* target_core_transport.c */ 135 extern struct kmem_cache *se_tmr_req_cache; 136 137 int init_se_kmem_caches(void); 138 void release_se_kmem_caches(void); 139 u32 scsi_get_new_index(scsi_index_t); 140 void transport_subsystem_check_init(void); 141 unsigned char *transport_dump_cmd_direction(struct se_cmd *); 142 void transport_dump_dev_state(struct se_device *, char *, int *); 143 void transport_dump_dev_info(struct se_device *, struct se_lun *, 144 unsigned long long, char *, int *); 145 void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int); 146 int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int); 147 int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int); 148 int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int); 149 void transport_clear_lun_ref(struct se_lun *); 150 sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); 151 void target_qf_do_work(struct work_struct *work); 152 bool target_check_wce(struct se_device *dev); 153 bool target_check_fua(struct se_device *dev); 154 void __target_execute_cmd(struct se_cmd *, bool); 155 156 /* target_core_stat.c */ 157 void target_stat_setup_dev_default_groups(struct se_device *); 158 void target_stat_setup_port_default_groups(struct se_lun *); 159 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *); 160 161 /* target_core_xcopy.c */ 162 extern struct se_portal_group xcopy_pt_tpg; 163 164 /* target_core_configfs.c */ 165 #define DB_ROOT_LEN 4096 166 #define DB_ROOT_DEFAULT "/var/target" 167 #define DB_ROOT_PREFERRED "/etc/target" 168 169 extern char db_root[]; 170 171 #endif /* TARGET_CORE_INTERNAL_H */ 172