1 #ifndef TARGET_CORE_INTERNAL_H
2 #define TARGET_CORE_INTERNAL_H
3 
4 #include <linux/configfs.h>
5 #include <linux/list.h>
6 #include <linux/types.h>
7 #include <target/target_core_base.h>
8 
9 #define TARGET_CORE_NAME_MAX_LEN	64
10 #define TARGET_FABRIC_NAME_SIZE		32
11 
12 struct target_backend {
13 	struct list_head list;
14 
15 	const struct target_backend_ops *ops;
16 
17 	struct config_item_type tb_dev_cit;
18 	struct config_item_type tb_dev_attrib_cit;
19 	struct config_item_type tb_dev_pr_cit;
20 	struct config_item_type tb_dev_wwn_cit;
21 	struct config_item_type tb_dev_alua_tg_pt_gps_cit;
22 	struct config_item_type tb_dev_stat_cit;
23 };
24 
25 struct target_fabric_configfs {
26 	atomic_t		tf_access_cnt;
27 	struct list_head	tf_list;
28 	struct config_group	tf_group;
29 	struct config_group	tf_disc_group;
30 	const struct target_core_fabric_ops *tf_ops;
31 
32 	struct config_item_type tf_discovery_cit;
33 	struct config_item_type	tf_wwn_cit;
34 	struct config_item_type tf_wwn_fabric_stats_cit;
35 	struct config_item_type tf_tpg_cit;
36 	struct config_item_type tf_tpg_base_cit;
37 	struct config_item_type tf_tpg_lun_cit;
38 	struct config_item_type tf_tpg_port_cit;
39 	struct config_item_type tf_tpg_port_stat_cit;
40 	struct config_item_type tf_tpg_np_cit;
41 	struct config_item_type tf_tpg_np_base_cit;
42 	struct config_item_type tf_tpg_attrib_cit;
43 	struct config_item_type tf_tpg_auth_cit;
44 	struct config_item_type tf_tpg_param_cit;
45 	struct config_item_type tf_tpg_nacl_cit;
46 	struct config_item_type tf_tpg_nacl_base_cit;
47 	struct config_item_type tf_tpg_nacl_attrib_cit;
48 	struct config_item_type tf_tpg_nacl_auth_cit;
49 	struct config_item_type tf_tpg_nacl_param_cit;
50 	struct config_item_type tf_tpg_nacl_stat_cit;
51 	struct config_item_type tf_tpg_mappedlun_cit;
52 	struct config_item_type tf_tpg_mappedlun_stat_cit;
53 };
54 
55 /* target_core_alua.c */
56 extern struct t10_alua_lu_gp *default_lu_gp;
57 
58 /* target_core_device.c */
59 extern struct mutex g_device_mutex;
60 extern struct list_head g_device_list;
61 
62 int	core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
63 struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
64 void	target_pr_kref_release(struct kref *);
65 void	core_free_device_list_for_node(struct se_node_acl *,
66 		struct se_portal_group *);
67 void	core_update_device_list_access(u64, bool, struct se_node_acl *);
68 struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
69 int	core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
70 		u64, bool, struct se_node_acl *, struct se_portal_group *);
71 void	core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
72 		struct se_node_acl *, struct se_portal_group *);
73 void	core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
74 int	core_dev_add_lun(struct se_portal_group *, struct se_device *,
75 		struct se_lun *lun);
76 void	core_dev_del_lun(struct se_portal_group *, struct se_lun *);
77 struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
78 		struct se_node_acl *, u64, int *);
79 int	core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
80 		struct se_lun_acl *, struct se_lun *lun, bool);
81 int	core_dev_del_initiator_node_lun_acl(struct se_lun *,
82 		struct se_lun_acl *);
83 void	core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
84 		struct se_lun_acl *lacl);
85 int	core_dev_setup_virtual_lun0(void);
86 void	core_dev_release_virtual_lun0(void);
87 struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
88 int	target_configure_device(struct se_device *dev);
89 void	target_free_device(struct se_device *);
90 
91 /* target_core_configfs.c */
92 void	target_setup_backend_cits(struct target_backend *);
93 
94 /* target_core_fabric_configfs.c */
95 int	target_fabric_setup_cits(struct target_fabric_configfs *);
96 
97 /* target_core_fabric_lib.c */
98 int	target_get_pr_transport_id_len(struct se_node_acl *nacl,
99 		struct t10_pr_registration *pr_reg, int *format_code);
100 int	target_get_pr_transport_id(struct se_node_acl *nacl,
101 		struct t10_pr_registration *pr_reg, int *format_code,
102 		unsigned char *buf);
103 const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
104 		const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
105 
106 /* target_core_hba.c */
107 struct se_hba *core_alloc_hba(const char *, u32, u32);
108 int	core_delete_hba(struct se_hba *);
109 
110 /* target_core_tmr.c */
111 void	core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
112 			struct se_session *);
113 int	core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
114 		struct list_head *, struct se_cmd *);
115 
116 /* target_core_tpg.c */
117 extern struct se_device *g_lun0_dev;
118 
119 struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
120 		const char *);
121 void	core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
122 				  struct se_lun *);
123 void	core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
124 struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
125 int	core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
126 		bool, struct se_device *);
127 void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
128 struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
129 		const char *initiatorname);
130 void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
131 
132 /* target_core_transport.c */
133 extern struct kmem_cache *se_tmr_req_cache;
134 
135 int	init_se_kmem_caches(void);
136 void	release_se_kmem_caches(void);
137 u32	scsi_get_new_index(scsi_index_t);
138 void	transport_subsystem_check_init(void);
139 int	transport_cmd_finish_abort(struct se_cmd *, int);
140 unsigned char *transport_dump_cmd_direction(struct se_cmd *);
141 void	transport_dump_dev_state(struct se_device *, char *, int *);
142 void	transport_dump_dev_info(struct se_device *, struct se_lun *,
143 		unsigned long long, char *, int *);
144 void	transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
145 int	transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
146 int	transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
147 int	transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
148 void	transport_clear_lun_ref(struct se_lun *);
149 void	transport_send_task_abort(struct se_cmd *);
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 
168 extern char db_root[];
169 
170 #endif /* TARGET_CORE_INTERNAL_H */
171