1 #ifndef TARGET_CORE_INTERNAL_H
2 #define TARGET_CORE_INTERNAL_H
3 
4 #define TARGET_CORE_NAME_MAX_LEN	64
5 #define TARGET_FABRIC_NAME_SIZE		32
6 
7 struct target_backend {
8 	struct list_head list;
9 
10 	const struct target_backend_ops *ops;
11 
12 	struct config_item_type tb_dev_cit;
13 	struct config_item_type tb_dev_attrib_cit;
14 	struct config_item_type tb_dev_pr_cit;
15 	struct config_item_type tb_dev_wwn_cit;
16 	struct config_item_type tb_dev_alua_tg_pt_gps_cit;
17 	struct config_item_type tb_dev_stat_cit;
18 };
19 
20 struct target_fabric_configfs {
21 	atomic_t		tf_access_cnt;
22 	struct list_head	tf_list;
23 	struct config_group	tf_group;
24 	struct config_group	tf_disc_group;
25 	const struct target_core_fabric_ops *tf_ops;
26 
27 	struct config_item_type tf_discovery_cit;
28 	struct config_item_type	tf_wwn_cit;
29 	struct config_item_type tf_wwn_fabric_stats_cit;
30 	struct config_item_type tf_tpg_cit;
31 	struct config_item_type tf_tpg_base_cit;
32 	struct config_item_type tf_tpg_lun_cit;
33 	struct config_item_type tf_tpg_port_cit;
34 	struct config_item_type tf_tpg_port_stat_cit;
35 	struct config_item_type tf_tpg_np_cit;
36 	struct config_item_type tf_tpg_np_base_cit;
37 	struct config_item_type tf_tpg_attrib_cit;
38 	struct config_item_type tf_tpg_auth_cit;
39 	struct config_item_type tf_tpg_param_cit;
40 	struct config_item_type tf_tpg_nacl_cit;
41 	struct config_item_type tf_tpg_nacl_base_cit;
42 	struct config_item_type tf_tpg_nacl_attrib_cit;
43 	struct config_item_type tf_tpg_nacl_auth_cit;
44 	struct config_item_type tf_tpg_nacl_param_cit;
45 	struct config_item_type tf_tpg_nacl_stat_cit;
46 	struct config_item_type tf_tpg_mappedlun_cit;
47 	struct config_item_type tf_tpg_mappedlun_stat_cit;
48 };
49 
50 /* target_core_alua.c */
51 extern struct t10_alua_lu_gp *default_lu_gp;
52 
53 /* target_core_device.c */
54 extern struct mutex g_device_mutex;
55 extern struct list_head g_device_list;
56 
57 int	core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
58 struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
59 void	target_pr_kref_release(struct kref *);
60 void	core_free_device_list_for_node(struct se_node_acl *,
61 		struct se_portal_group *);
62 void	core_update_device_list_access(u64, bool, struct se_node_acl *);
63 struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
64 int	core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
65 		u64, bool, struct se_node_acl *, struct se_portal_group *);
66 void	core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
67 		struct se_node_acl *, struct se_portal_group *);
68 void	core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
69 int	core_dev_add_lun(struct se_portal_group *, struct se_device *,
70 		struct se_lun *lun);
71 void	core_dev_del_lun(struct se_portal_group *, struct se_lun *);
72 struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
73 		struct se_node_acl *, u64, int *);
74 int	core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
75 		struct se_lun_acl *, struct se_lun *lun, bool);
76 int	core_dev_del_initiator_node_lun_acl(struct se_lun *,
77 		struct se_lun_acl *);
78 void	core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
79 		struct se_lun_acl *lacl);
80 int	core_dev_setup_virtual_lun0(void);
81 void	core_dev_release_virtual_lun0(void);
82 struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
83 int	target_configure_device(struct se_device *dev);
84 void	target_free_device(struct se_device *);
85 
86 /* target_core_configfs.c */
87 void	target_setup_backend_cits(struct target_backend *);
88 
89 /* target_core_fabric_configfs.c */
90 int	target_fabric_setup_cits(struct target_fabric_configfs *);
91 
92 /* target_core_fabric_lib.c */
93 int	target_get_pr_transport_id_len(struct se_node_acl *nacl,
94 		struct t10_pr_registration *pr_reg, int *format_code);
95 int	target_get_pr_transport_id(struct se_node_acl *nacl,
96 		struct t10_pr_registration *pr_reg, int *format_code,
97 		unsigned char *buf);
98 const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
99 		const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
100 
101 /* target_core_hba.c */
102 struct se_hba *core_alloc_hba(const char *, u32, u32);
103 int	core_delete_hba(struct se_hba *);
104 
105 /* target_core_tmr.c */
106 void	core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
107 			struct se_session *);
108 int	core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
109 		struct list_head *, struct se_cmd *);
110 
111 /* target_core_tpg.c */
112 extern struct se_device *g_lun0_dev;
113 
114 struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
115 		const char *);
116 void	core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
117 				  struct se_lun *);
118 void	core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
119 struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
120 int	core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
121 		bool, struct se_device *);
122 void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
123 struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
124 		const char *initiatorname);
125 void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
126 
127 /* target_core_transport.c */
128 extern struct kmem_cache *se_tmr_req_cache;
129 
130 int	init_se_kmem_caches(void);
131 void	release_se_kmem_caches(void);
132 u32	scsi_get_new_index(scsi_index_t);
133 void	transport_subsystem_check_init(void);
134 void	transport_cmd_finish_abort(struct se_cmd *, int);
135 unsigned char *transport_dump_cmd_direction(struct se_cmd *);
136 void	transport_dump_dev_state(struct se_device *, char *, int *);
137 void	transport_dump_dev_info(struct se_device *, struct se_lun *,
138 		unsigned long long, char *, int *);
139 void	transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
140 int	transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
141 int	transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
142 int	transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
143 void	transport_clear_lun_ref(struct se_lun *);
144 void	transport_send_task_abort(struct se_cmd *);
145 sense_reason_t	target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
146 void	target_qf_do_work(struct work_struct *work);
147 bool	target_check_wce(struct se_device *dev);
148 bool	target_check_fua(struct se_device *dev);
149 void	__target_execute_cmd(struct se_cmd *, bool);
150 
151 /* target_core_stat.c */
152 void	target_stat_setup_dev_default_groups(struct se_device *);
153 void	target_stat_setup_port_default_groups(struct se_lun *);
154 void	target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
155 
156 /* target_core_xcopy.c */
157 extern struct se_portal_group xcopy_pt_tpg;
158 
159 /* target_core_configfs.c */
160 #define DB_ROOT_LEN		4096
161 #define	DB_ROOT_DEFAULT		"/var/target"
162 
163 extern char db_root[];
164 
165 #endif /* TARGET_CORE_INTERNAL_H */
166