diff options
Diffstat (limited to 'drivers/target/target_core_internal.h')
| -rw-r--r-- | drivers/target/target_core_internal.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h new file mode 100644 index 000000000..e4f072a68 --- /dev/null +++ b/drivers/target/target_core_internal.h @@ -0,0 +1,173 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef TARGET_CORE_INTERNAL_H +#define TARGET_CORE_INTERNAL_H + +#include <linux/configfs.h> +#include <linux/list.h> +#include <linux/types.h> +#include <target/target_core_base.h> + +#define TARGET_CORE_NAME_MAX_LEN 64 +#define TARGET_FABRIC_NAME_SIZE 32 + +struct target_backend { + struct list_head list; + + const struct target_backend_ops *ops; + + struct config_item_type tb_dev_cit; + struct config_item_type tb_dev_attrib_cit; + struct config_item_type tb_dev_action_cit; + struct config_item_type tb_dev_pr_cit; + struct config_item_type tb_dev_wwn_cit; + struct config_item_type tb_dev_alua_tg_pt_gps_cit; + struct config_item_type tb_dev_stat_cit; +}; + +struct target_fabric_configfs { + atomic_t tf_access_cnt; + struct list_head tf_list; + struct config_group tf_group; + struct config_group tf_disc_group; + const struct target_core_fabric_ops *tf_ops; + + struct config_item_type tf_discovery_cit; + struct config_item_type tf_wwn_cit; + struct config_item_type tf_wwn_fabric_stats_cit; + struct config_item_type tf_tpg_cit; + struct config_item_type tf_tpg_base_cit; + struct config_item_type tf_tpg_lun_cit; + struct config_item_type tf_tpg_port_cit; + struct config_item_type tf_tpg_port_stat_cit; + struct config_item_type tf_tpg_np_cit; + struct config_item_type tf_tpg_np_base_cit; + struct config_item_type tf_tpg_attrib_cit; + struct config_item_type tf_tpg_auth_cit; + struct config_item_type tf_tpg_param_cit; + struct config_item_type tf_tpg_nacl_cit; + struct config_item_type tf_tpg_nacl_base_cit; + struct config_item_type tf_tpg_nacl_attrib_cit; + struct config_item_type tf_tpg_nacl_auth_cit; + struct config_item_type tf_tpg_nacl_param_cit; + struct config_item_type tf_tpg_nacl_stat_cit; + struct config_item_type tf_tpg_mappedlun_cit; + struct config_item_type tf_tpg_mappedlun_stat_cit; +}; + +/* target_core_alua.c */ +extern struct t10_alua_lu_gp *default_lu_gp; + +/* target_core_device.c */ +int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev); +struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16); +void target_pr_kref_release(struct kref *); +void core_free_device_list_for_node(struct se_node_acl *, + struct se_portal_group *); +void core_update_device_list_access(u64, bool, struct se_node_acl *); +struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64); +int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *, + u64, bool, struct se_node_acl *, struct se_portal_group *); +void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *, + struct se_node_acl *, struct se_portal_group *); +void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *); +int core_dev_add_lun(struct se_portal_group *, struct se_device *, + struct se_lun *lun); +void core_dev_del_lun(struct se_portal_group *, struct se_lun *); +struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *, + struct se_node_acl *, u64, int *); +int core_dev_add_initiator_node_lun_acl(struct se_portal_group *, + struct se_lun_acl *, struct se_lun *lun, bool); +int core_dev_del_initiator_node_lun_acl(struct se_lun *, + struct se_lun_acl *); +void core_dev_free_initiator_node_lun_acl(struct se_portal_group *, + struct se_lun_acl *lacl); +int core_dev_setup_virtual_lun0(void); +void core_dev_release_virtual_lun0(void); +struct se_device *target_alloc_device(struct se_hba *hba, const char *name); +int target_configure_device(struct se_device *dev); +void target_free_device(struct se_device *); +int target_for_each_device(int (*fn)(struct se_device *dev, void *data), + void *data); + +/* target_core_configfs.c */ +extern struct configfs_item_operations target_core_dev_item_ops; +void target_setup_backend_cits(struct target_backend *); + +/* target_core_fabric_configfs.c */ +int target_fabric_setup_cits(struct target_fabric_configfs *); + +/* target_core_fabric_lib.c */ +int target_get_pr_transport_id_len(struct se_node_acl *nacl, + struct t10_pr_registration *pr_reg, int *format_code); +int target_get_pr_transport_id(struct se_node_acl *nacl, + struct t10_pr_registration *pr_reg, int *format_code, + unsigned char *buf); +const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg, + char *buf, u32 *out_tid_len, char **port_nexus_ptr); + +/* target_core_hba.c */ +struct se_hba *core_alloc_hba(const char *, u32, u32); +int core_delete_hba(struct se_hba *); + +/* target_core_tmr.c */ +void core_tmr_abort_task(struct se_device *, struct se_tmr_req *, + struct se_session *); +int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *, + struct list_head *, struct se_cmd *); + +/* target_core_tpg.c */ +extern struct se_device *g_lun0_dev; + +struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg, + const char *); +void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *, + struct se_lun *); +void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *); +struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64); +int core_tpg_add_lun(struct se_portal_group *, struct se_lun *, + bool, struct se_device *); +void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *); +struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg, + const char *initiatorname); +void core_tpg_del_initiator_node_acl(struct se_node_acl *acl); + +/* target_core_transport.c */ +extern struct kmem_cache *se_tmr_req_cache; + +int init_se_kmem_caches(void); +void release_se_kmem_caches(void); +u32 scsi_get_new_index(scsi_index_t); +void transport_subsystem_check_init(void); +void transport_uninit_session(struct se_session *); +unsigned char *transport_dump_cmd_direction(struct se_cmd *); +void transport_dump_dev_state(struct se_device *, char *, int *); +void transport_dump_dev_info(struct se_device *, struct se_lun *, + unsigned long long, char *, int *); +void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int); +int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int); +int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int); +int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int); +void transport_clear_lun_ref(struct se_lun *); +sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); +void target_qf_do_work(struct work_struct *work); +void target_do_delayed_work(struct work_struct *work); +bool target_check_wce(struct se_device *dev); +bool target_check_fua(struct se_device *dev); +void __target_execute_cmd(struct se_cmd *, bool); + +/* target_core_stat.c */ +void target_stat_setup_dev_default_groups(struct se_device *); +void target_stat_setup_port_default_groups(struct se_lun *); +void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *); + +/* target_core_xcopy.c */ +extern struct se_portal_group xcopy_pt_tpg; + +/* target_core_configfs.c */ +#define DB_ROOT_LEN 4096 +#define DB_ROOT_DEFAULT "/var/target" +#define DB_ROOT_PREFERRED "/etc/target" + +extern char db_root[]; + +#endif /* TARGET_CORE_INTERNAL_H */ |