1
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
58 extern struct t10_alua_lu_gp *default_lu_gp;
59
60
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
93 extern struct configfs_item_operations target_core_dev_item_ops;
94 void target_setup_backend_cits(struct target_backend *);
95
96
97 int target_fabric_setup_cits(struct target_fabric_configfs *);
98
99
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
109 struct se_hba *core_alloc_hba(const char *, u32, u32);
110 int core_delete_hba(struct se_hba *);
111
112
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
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
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
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
162 extern struct se_portal_group xcopy_pt_tpg;
163
164
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