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adf653f92f
This patch eliminates all se_port + t10_alua_tg_pt_gp_member usage, and converts current users to direct se_lun pointer dereference. This includes the removal of core_export_port(), core_release_port() core_dev_export() and core_dev_unexport(). Along with conversion of special case se_lun pointer dereference within PR ALL_TG_PT=1 and ALUA access state transition UNIT_ATTENTION handling. Also, update core_enable_device_list_for_node() to reference the new per se_lun->lun_deve_list when creating a new entry, or replacing an existing one via RCU. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
124 lines
5.1 KiB
C
124 lines
5.1 KiB
C
#ifndef TARGET_CORE_INTERNAL_H
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#define TARGET_CORE_INTERNAL_H
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struct target_backend {
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struct list_head list;
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const struct target_backend_ops *ops;
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struct config_item_type tb_dev_cit;
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struct config_item_type tb_dev_attrib_cit;
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struct config_item_type tb_dev_pr_cit;
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struct config_item_type tb_dev_wwn_cit;
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struct config_item_type tb_dev_alua_tg_pt_gps_cit;
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struct config_item_type tb_dev_stat_cit;
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};
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/* target_core_alua.c */
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extern struct t10_alua_lu_gp *default_lu_gp;
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/* target_core_device.c */
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extern struct mutex g_device_mutex;
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extern struct list_head g_device_list;
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int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
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struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
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void target_pr_kref_release(struct kref *);
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void core_free_device_list_for_node(struct se_node_acl *,
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struct se_portal_group *);
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void core_update_device_list_access(u32, u32, struct se_node_acl *);
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struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u32);
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int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
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u32, u32, struct se_node_acl *, struct se_portal_group *);
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void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
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struct se_node_acl *, struct se_portal_group *);
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void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
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int core_dev_add_lun(struct se_portal_group *, struct se_device *,
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struct se_lun *lun);
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void core_dev_del_lun(struct se_portal_group *, struct se_lun *);
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struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
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struct se_node_acl *, u32, int *);
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int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
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struct se_lun_acl *, struct se_lun *lun, u32);
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int core_dev_del_initiator_node_lun_acl(struct se_lun *,
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struct se_lun_acl *);
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void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
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struct se_lun_acl *lacl);
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int core_dev_setup_virtual_lun0(void);
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void core_dev_release_virtual_lun0(void);
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struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
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int target_configure_device(struct se_device *dev);
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void target_free_device(struct se_device *);
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/* target_core_configfs.c */
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void target_setup_backend_cits(struct target_backend *);
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/* target_core_fabric_lib.c */
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int target_get_pr_transport_id_len(struct se_node_acl *nacl,
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struct t10_pr_registration *pr_reg, int *format_code);
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int target_get_pr_transport_id(struct se_node_acl *nacl,
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struct t10_pr_registration *pr_reg, int *format_code,
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unsigned char *buf);
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const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
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const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
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/* target_core_hba.c */
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struct se_hba *core_alloc_hba(const char *, u32, u32);
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int core_delete_hba(struct se_hba *);
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/* target_core_tmr.c */
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void core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
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struct se_session *);
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int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
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struct list_head *, struct se_cmd *);
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/* target_core_tpg.c */
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extern struct se_device *g_lun0_dev;
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struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
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const char *);
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void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
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struct se_lun *);
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void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
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struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u32);
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int core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
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u32, struct se_device *);
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void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
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struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
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const char *initiatorname);
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void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
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/* target_core_transport.c */
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extern struct kmem_cache *se_tmr_req_cache;
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int init_se_kmem_caches(void);
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void release_se_kmem_caches(void);
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u32 scsi_get_new_index(scsi_index_t);
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void transport_subsystem_check_init(void);
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void transport_cmd_finish_abort(struct se_cmd *, int);
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unsigned char *transport_dump_cmd_direction(struct se_cmd *);
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void transport_dump_dev_state(struct se_device *, char *, int *);
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void transport_dump_dev_info(struct se_device *, struct se_lun *,
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unsigned long long, char *, int *);
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void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
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int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
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bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags);
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void transport_clear_lun_ref(struct se_lun *);
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void transport_send_task_abort(struct se_cmd *);
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sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
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void target_qf_do_work(struct work_struct *work);
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bool target_check_wce(struct se_device *dev);
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bool target_check_fua(struct se_device *dev);
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/* target_core_stat.c */
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void target_stat_setup_dev_default_groups(struct se_device *);
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void target_stat_setup_port_default_groups(struct se_lun *);
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void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
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/* target_core_xcopy.c */
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extern struct se_portal_group xcopy_pt_tpg;
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#endif /* TARGET_CORE_INTERNAL_H */
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