target_core_internal.h (7073B)
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 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 */ 62int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev); 63struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16); 64void target_pr_kref_release(struct kref *); 65void core_free_device_list_for_node(struct se_node_acl *, 66 struct se_portal_group *); 67void core_update_device_list_access(u64, bool, struct se_node_acl *); 68struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64); 69int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *, 70 u64, bool, struct se_node_acl *, struct se_portal_group *); 71void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *, 72 struct se_node_acl *, struct se_portal_group *); 73void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *); 74int core_dev_add_lun(struct se_portal_group *, struct se_device *, 75 struct se_lun *lun); 76void core_dev_del_lun(struct se_portal_group *, struct se_lun *); 77struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *, 78 struct se_node_acl *, u64, int *); 79int core_dev_add_initiator_node_lun_acl(struct se_portal_group *, 80 struct se_lun_acl *, struct se_lun *lun, bool); 81int core_dev_del_initiator_node_lun_acl(struct se_lun *, 82 struct se_lun_acl *); 83void core_dev_free_initiator_node_lun_acl(struct se_portal_group *, 84 struct se_lun_acl *lacl); 85int core_dev_setup_virtual_lun0(void); 86void core_dev_release_virtual_lun0(void); 87struct se_device *target_alloc_device(struct se_hba *hba, const char *name); 88int target_configure_device(struct se_device *dev); 89void target_free_device(struct se_device *); 90int target_for_each_device(int (*fn)(struct se_device *dev, void *data), 91 void *data); 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); 134 135/* target_core_transport.c */ 136extern struct kmem_cache *se_tmr_req_cache; 137 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); 142void transport_uninit_session(struct se_session *); 143unsigned char *transport_dump_cmd_direction(struct se_cmd *); 144void transport_dump_dev_state(struct se_device *, char *, int *); 145void transport_dump_dev_info(struct se_device *, struct se_lun *, 146 unsigned long long, char *, int *); 147void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int); 148int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int); 149int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int); 150int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int); 151void transport_clear_lun_ref(struct se_lun *); 152sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); 153void target_qf_do_work(struct work_struct *work); 154void target_do_delayed_work(struct work_struct *work); 155bool target_check_wce(struct se_device *dev); 156bool target_check_fua(struct se_device *dev); 157void __target_execute_cmd(struct se_cmd *, bool); 158void target_queued_submit_work(struct work_struct *work); 159 160/* target_core_stat.c */ 161void target_stat_setup_dev_default_groups(struct se_device *); 162void target_stat_setup_port_default_groups(struct se_lun *); 163void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *); 164 165/* target_core_xcopy.c */ 166extern struct se_portal_group xcopy_pt_tpg; 167 168/* target_core_configfs.c */ 169#define DB_ROOT_LEN 4096 170#define DB_ROOT_DEFAULT "/var/target" 171#define DB_ROOT_PREFERRED "/etc/target" 172 173extern char db_root[]; 174 175#endif /* TARGET_CORE_INTERNAL_H */