drivers/target/target_core_internal.h

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