LXR linux/drivers/target/target_core

   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
   7struct 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
  20struct 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 */
  51extern struct t10_alua_lu_gp *default_lu_gp;
  52
  53/* target_core_device.c */
  54extern struct mutex g_device_mutex;
  55extern struct list_head g_device_list;
  56
  57int     core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
  58struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
  59void    target_pr_kref_release(struct kref *);
  60void    core_free_device_list_for_node(struct se_node_acl *,
  61                struct se_portal_group *);
  62void    core_update_device_list_access(u64, bool, struct se_node_acl *);
  63struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
  64int     core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
  65                u64, bool, struct se_node_acl *, struct se_portal_group *);
  66void    core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
  67                struct se_node_acl *, struct se_portal_group *);
  68void    core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
  69int     core_dev_add_lun(struct se_portal_group *, struct se_device *,
  70                struct se_lun *lun);
  71void    core_dev_del_lun(struct se_portal_group *, struct se_lun *);
  72struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
  73                struct se_node_acl *, u64, int *);
  74int     core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
  75                struct se_lun_acl *, struct se_lun *lun, bool);
  76int     core_dev_del_initiator_node_lun_acl(struct se_lun *,
  77                struct se_lun_acl *);
  78void    core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
  79                struct se_lun_acl *lacl);
  80int     core_dev_setup_virtual_lun0(void);
  81void    core_dev_release_virtual_lun0(void);
  82struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
  83int     target_configure_device(struct se_device *dev);
  84void    target_free_device(struct se_device *);
  85
  86/* target_core_configfs.c */
  87void    target_setup_backend_cits(struct target_backend *);
  88
  89/* target_core_fabric_configfs.c */
  90int     target_fabric_setup_cits(struct target_fabric_configfs *);
  91
  92/* target_core_fabric_lib.c */
  93int     target_get_pr_transport_id_len(struct se_node_acl *nacl,
  94                struct t10_pr_registration *pr_reg, int *format_code);
  95int     target_get_pr_transport_id(struct se_node_acl *nacl,
  96                struct t10_pr_registration *pr_reg, int *format_code,
  97                unsigned char *buf);
  98const 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 */
 102struct se_hba *core_alloc_hba(const char *, u32, u32);
 103int     core_delete_hba(struct se_hba *);
 104
 105/* target_core_tmr.c */
 106void    core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
 107                        struct se_session *);
 108int     core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
 109                struct list_head *, struct se_cmd *);
 110
 111/* target_core_tpg.c */
 112extern struct se_device *g_lun0_dev;
 113
 114struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
 115                const char *);
 116void    core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
 117                                  struct se_lun *);
 118void    core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
 119struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
 120int     core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
 121                bool, struct se_device *);
 122void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
 123struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
 124                const char *initiatorname);
 125void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
 126
 127/* target_core_transport.c */
 128extern struct kmem_cache *se_tmr_req_cache;
 129
 130int     init_se_kmem_caches(void);
 131void    release_se_kmem_caches(void);
 132u32     scsi_get_new_index(scsi_index_t);
 133void    transport_subsystem_check_init(void);
 134void    transport_cmd_finish_abort(struct se_cmd *, int);
 135unsigned char *transport_dump_cmd_direction(struct se_cmd *);
 136void    transport_dump_dev_state(struct se_device *, char *, int *);
 137void    transport_dump_dev_info(struct se_device *, struct se_lun *,
 138                unsigned long long, char *, int *);
 139void    transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
 140int     transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
 141int     transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
 142int     transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
 143void    transport_clear_lun_ref(struct se_lun *);
 144void    transport_send_task_abort(struct se_cmd *);
 145sense_reason_t  target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
 146void    target_qf_do_work(struct work_struct *work);
 147bool    target_check_wce(struct se_device *dev);
 148bool    target_check_fua(struct se_device *dev);
 149
 150/* target_core_stat.c */
 151void    target_stat_setup_dev_default_groups(struct se_device *);
 152void    target_stat_setup_port_default_groups(struct se_lun *);
 153void    target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
 154
 155/* target_core_xcopy.c */
 156extern struct se_portal_group xcopy_pt_tpg;
 157
 158#endif /* TARGET_CORE_INTERNAL_H */
 159