target_core_internal.h 6.8 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef TARGET_CORE_INTERNAL_H
  3. #define TARGET_CORE_INTERNAL_H
  4. #include <linux/configfs.h>
  5. #include <linux/list.h>
  6. #include <linux/types.h>
  7. #include <target/target_core_base.h>
  8. #define TARGET_CORE_NAME_MAX_LEN 64
  9. #define TARGET_FABRIC_NAME_SIZE 32
  10. struct target_backend {
  11. struct list_head list;
  12. const struct target_backend_ops *ops;
  13. struct config_item_type tb_dev_cit;
  14. struct config_item_type tb_dev_attrib_cit;
  15. struct config_item_type tb_dev_action_cit;
  16. struct config_item_type tb_dev_pr_cit;
  17. struct config_item_type tb_dev_wwn_cit;
  18. struct config_item_type tb_dev_alua_tg_pt_gps_cit;
  19. struct config_item_type tb_dev_stat_cit;
  20. };
  21. struct target_fabric_configfs {
  22. atomic_t tf_access_cnt;
  23. struct list_head tf_list;
  24. struct config_group tf_group;
  25. struct config_group tf_disc_group;
  26. const struct target_core_fabric_ops *tf_ops;
  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. /* target_core_alua.c */
  50. extern struct t10_alua_lu_gp *default_lu_gp;
  51. /* target_core_device.c */
  52. int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
  53. struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
  54. void target_pr_kref_release(struct kref *);
  55. void core_free_device_list_for_node(struct se_node_acl *,
  56. struct se_portal_group *);
  57. void core_update_device_list_access(u64, bool, struct se_node_acl *);
  58. struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
  59. int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
  60. u64, bool, struct se_node_acl *, struct se_portal_group *);
  61. void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
  62. struct se_node_acl *, struct se_portal_group *);
  63. void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
  64. int core_dev_add_lun(struct se_portal_group *, struct se_device *,
  65. struct se_lun *lun);
  66. void core_dev_del_lun(struct se_portal_group *, struct se_lun *);
  67. struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
  68. struct se_node_acl *, u64, int *);
  69. int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
  70. struct se_lun_acl *, struct se_lun *lun, bool);
  71. int core_dev_del_initiator_node_lun_acl(struct se_lun *,
  72. struct se_lun_acl *);
  73. void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
  74. struct se_lun_acl *lacl);
  75. int core_dev_setup_virtual_lun0(void);
  76. void core_dev_release_virtual_lun0(void);
  77. struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
  78. int target_configure_device(struct se_device *dev);
  79. void target_free_device(struct se_device *);
  80. int target_for_each_device(int (*fn)(struct se_device *dev, void *data),
  81. void *data);
  82. /* target_core_configfs.c */
  83. extern struct configfs_item_operations target_core_dev_item_ops;
  84. void target_setup_backend_cits(struct target_backend *);
  85. /* target_core_fabric_configfs.c */
  86. int target_fabric_setup_cits(struct target_fabric_configfs *);
  87. /* target_core_fabric_lib.c */
  88. int target_get_pr_transport_id_len(struct se_node_acl *nacl,
  89. struct t10_pr_registration *pr_reg, int *format_code);
  90. int target_get_pr_transport_id(struct se_node_acl *nacl,
  91. struct t10_pr_registration *pr_reg, int *format_code,
  92. unsigned char *buf);
  93. const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
  94. char *buf, u32 *out_tid_len, char **port_nexus_ptr);
  95. /* target_core_hba.c */
  96. struct se_hba *core_alloc_hba(const char *, u32, u32);
  97. int core_delete_hba(struct se_hba *);
  98. /* target_core_tmr.c */
  99. void core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
  100. struct se_session *);
  101. int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
  102. struct list_head *, struct se_cmd *);
  103. /* target_core_tpg.c */
  104. extern struct se_device *g_lun0_dev;
  105. struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
  106. const char *);
  107. void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
  108. struct se_lun *);
  109. void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
  110. struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
  111. int core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
  112. bool, struct se_device *);
  113. void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
  114. struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
  115. const char *initiatorname);
  116. void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
  117. /* target_core_transport.c */
  118. extern struct kmem_cache *se_tmr_req_cache;
  119. int init_se_kmem_caches(void);
  120. void release_se_kmem_caches(void);
  121. u32 scsi_get_new_index(scsi_index_t);
  122. void transport_subsystem_check_init(void);
  123. void transport_uninit_session(struct se_session *);
  124. unsigned char *transport_dump_cmd_direction(struct se_cmd *);
  125. void transport_dump_dev_state(struct se_device *, char *, int *);
  126. void transport_dump_dev_info(struct se_device *, struct se_lun *,
  127. unsigned long long, char *, int *);
  128. void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
  129. int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
  130. int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
  131. int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
  132. void transport_clear_lun_ref(struct se_lun *);
  133. sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
  134. void target_qf_do_work(struct work_struct *work);
  135. void target_do_delayed_work(struct work_struct *work);
  136. bool target_check_wce(struct se_device *dev);
  137. bool target_check_fua(struct se_device *dev);
  138. void __target_execute_cmd(struct se_cmd *, bool);
  139. /* target_core_stat.c */
  140. void target_stat_setup_dev_default_groups(struct se_device *);
  141. void target_stat_setup_port_default_groups(struct se_lun *);
  142. void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
  143. /* target_core_xcopy.c */
  144. extern struct se_portal_group xcopy_pt_tpg;
  145. /* target_core_configfs.c */
  146. #define DB_ROOT_LEN 4096
  147. #define DB_ROOT_DEFAULT "/var/target"
  148. #define DB_ROOT_PREFERRED "/etc/target"
  149. extern char db_root[];
  150. #endif /* TARGET_CORE_INTERNAL_H */