linux - drivers/target/target_core

176 lines · 7.0 KiB

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_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 */
59	extern struct t10_alua_lu_gp *default_lu_gp;
60
61	/* target_core_device.c */
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	void target_dev_ua_allocate(struct se_device *dev, u8 asc, u8 ascq);
92
93	/* target_core_configfs.c */
94	extern struct configfs_item_operations target_core_dev_item_ops;
95	void target_setup_backend_cits(struct target_backend *);
96
97	/* target_core_fabric_configfs.c */
98	int target_fabric_setup_cits(struct target_fabric_configfs *);
99
100	/* target_core_fabric_lib.c */
101	int target_get_pr_transport_id_len(struct se_node_acl *nacl,
102	struct t10_pr_registration pr_reg, int format_code);
103	int target_get_pr_transport_id(struct se_node_acl *nacl,
104	struct t10_pr_registration pr_reg, int format_code,
105	unsigned char *buf);
106	bool target_parse_pr_out_transport_id(struct se_portal_group *tpg,
107	char buf, u32 buf_len, u32 out_tid_len,
108	char *port_nexus_ptr, char i_str);
109
110	/* target_core_hba.c */
111	struct se_hba core_alloc_hba(const char , u32, u32);
112	int core_delete_hba(struct se_hba *);
113
114	/* target_core_tmr.c */
115	void core_tmr_abort_task(struct se_device , struct se_tmr_req ,
116	struct se_session *);
117	int core_tmr_lun_reset(struct se_device , struct se_tmr_req ,
118	struct list_head , struct se_cmd );
119
120	/* target_core_tpg.c */
121	extern struct se_device *g_lun0_dev;
122
123	struct se_node_acl __core_tpg_get_initiator_node_acl(struct se_portal_group tpg,
124	const char *);
125	void core_tpg_add_node_to_devs(struct se_node_acl , struct se_portal_group ,
126	struct se_lun *);
127	void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
128	struct se_lun core_tpg_alloc_lun(struct se_portal_group , u64);
129	void target_tpg_free_lun(struct rcu_head *head);
130	int core_tpg_add_lun(struct se_portal_group , struct se_lun ,
131	bool, struct se_device *);
132	void core_tpg_remove_lun(struct se_portal_group , struct se_lun );
133	struct se_node_acl core_tpg_add_initiator_node_acl(struct se_portal_group tpg,
134	const char *initiatorname);
135	void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
136	int target_tpg_enable(struct se_portal_group *se_tpg);
137	int target_tpg_disable(struct se_portal_group *se_tpg);
138
139	/* target_core_transport.c */
140	int init_se_kmem_caches(void);
141	void release_se_kmem_caches(void);
142	u32 scsi_get_new_index(scsi_index_t);
143	void transport_subsystem_check_init(void);
144	unsigned char transport_dump_cmd_direction(struct se_cmd );
145	void transport_dump_dev_state(struct se_device , char , int *);
146	void transport_dump_dev_info(struct se_device , struct se_lun ,
147	unsigned long long, char , int );
148	void transport_dump_vpd_proto_id(struct t10_vpd , unsigned char , int);
149	int transport_dump_vpd_assoc(struct t10_vpd , unsigned char , int);
150	int transport_dump_vpd_ident_type(struct t10_vpd , unsigned char , int);
151	int transport_dump_vpd_ident(struct t10_vpd , unsigned char , int);
152	void transport_clear_lun_ref(struct se_lun *);
153	sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
154	void target_qf_do_work(struct work_struct *work);
155	void target_do_delayed_work(struct work_struct *work);
156	bool target_check_wce(struct se_device *dev);
157	bool target_check_fua(struct se_device *dev);
158	void __target_execute_cmd(struct se_cmd *, bool);
159	void target_queued_submit_work(struct work_struct *work);
160
161	/* target_core_stat.c */
162	void target_stat_setup_dev_default_groups(struct se_device *);
163	void target_stat_setup_port_default_groups(struct se_lun *);
164	void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
165
166	/* target_core_xcopy.c */
167	extern struct se_portal_group xcopy_pt_tpg;
168
169	/* target_core_configfs.c */
170	#define DB_ROOT_LEN 4096
171	#define DB_ROOT_DEFAULT "/var/target"
172	#define DB_ROOT_PREFERRED "/etc/target"
173
174	extern char db_root[];
175
176	#endif /* TARGET_CORE_INTERNAL_H */