1#ifndef TARGET_CORE_INTERNAL_H
  2#define TARGET_CORE_INTERNAL_H
  3
  4#include <linux/configfs.h>
  5#include <linux/list.h>
  6#include <linux/types.h>
  7#include <target/target_core_base.h>
  8
  9#define TARGET_CORE_NAME_MAX_LEN	64
 10#define TARGET_FABRIC_NAME_SIZE		32
 11
 12struct target_backend {
 13	struct list_head list;
 14
 15	const struct target_backend_ops *ops;
 16
 17	struct config_item_type tb_dev_cit;
 18	struct config_item_type tb_dev_attrib_cit;
 19	struct config_item_type tb_dev_pr_cit;
 20	struct config_item_type tb_dev_wwn_cit;
 21	struct config_item_type tb_dev_alua_tg_pt_gps_cit;
 22	struct config_item_type tb_dev_stat_cit;
 23};
 24
 25struct target_fabric_configfs {
 26	atomic_t		tf_access_cnt;
 27	struct list_head	tf_list;
 28	struct config_group	tf_group;
 29	struct config_group	tf_disc_group;
 30	const struct target_core_fabric_ops *tf_ops;
 31
 32	struct config_item_type tf_discovery_cit;
 33	struct config_item_type	tf_wwn_cit;
 34	struct config_item_type tf_wwn_fabric_stats_cit;
 35	struct config_item_type tf_tpg_cit;
 36	struct config_item_type tf_tpg_base_cit;
 37	struct config_item_type tf_tpg_lun_cit;
 38	struct config_item_type tf_tpg_port_cit;
 39	struct config_item_type tf_tpg_port_stat_cit;
 40	struct config_item_type tf_tpg_np_cit;
 41	struct config_item_type tf_tpg_np_base_cit;
 42	struct config_item_type tf_tpg_attrib_cit;
 43	struct config_item_type tf_tpg_auth_cit;
 44	struct config_item_type tf_tpg_param_cit;
 45	struct config_item_type tf_tpg_nacl_cit;
 46	struct config_item_type tf_tpg_nacl_base_cit;
 47	struct config_item_type tf_tpg_nacl_attrib_cit;
 48	struct config_item_type tf_tpg_nacl_auth_cit;
 49	struct config_item_type tf_tpg_nacl_param_cit;
 50	struct config_item_type tf_tpg_nacl_stat_cit;
 51	struct config_item_type tf_tpg_mappedlun_cit;
 52	struct config_item_type tf_tpg_mappedlun_stat_cit;
 53};
 54
 55/* target_core_alua.c */
 56extern struct t10_alua_lu_gp *default_lu_gp;
 57
 58/* target_core_device.c */
 59extern struct mutex g_device_mutex;
 60extern struct list_head g_device_list;
 61
 62int	core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
 63struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
 64void	target_pr_kref_release(struct kref *);
 65void	core_free_device_list_for_node(struct se_node_acl *,
 66		struct se_portal_group *);
 67void	core_update_device_list_access(u64, bool, struct se_node_acl *);
 68struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
 69int	core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
 70		u64, bool, struct se_node_acl *, struct se_portal_group *);
 71void	core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
 72		struct se_node_acl *, struct se_portal_group *);
 73void	core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
 74int	core_dev_add_lun(struct se_portal_group *, struct se_device *,
 75		struct se_lun *lun);
 76void	core_dev_del_lun(struct se_portal_group *, struct se_lun *);
 77struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
 78		struct se_node_acl *, u64, int *);
 79int	core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
 80		struct se_lun_acl *, struct se_lun *lun, bool);
 81int	core_dev_del_initiator_node_lun_acl(struct se_lun *,
 82		struct se_lun_acl *);
 83void	core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
 84		struct se_lun_acl *lacl);
 85int	core_dev_setup_virtual_lun0(void);
 86void	core_dev_release_virtual_lun0(void);
 87struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
 88int	target_configure_device(struct se_device *dev);
 89void	target_free_device(struct se_device *);
 90
 91/* target_core_configfs.c */
 92void	target_setup_backend_cits(struct target_backend *);
 93
 94/* target_core_fabric_configfs.c */
 95int	target_fabric_setup_cits(struct target_fabric_configfs *);
 96
 97/* target_core_fabric_lib.c */
 98int	target_get_pr_transport_id_len(struct se_node_acl *nacl,
 99		struct t10_pr_registration *pr_reg, int *format_code);
100int	target_get_pr_transport_id(struct se_node_acl *nacl,
101		struct t10_pr_registration *pr_reg, int *format_code,
102		unsigned char *buf);
103const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
104		const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
105
106/* target_core_hba.c */
107struct se_hba *core_alloc_hba(const char *, u32, u32);
108int	core_delete_hba(struct se_hba *);
109
110/* target_core_tmr.c */
111void	core_tmr_abort_task(struct se_device *, struct se_tmr_req *,
112			struct se_session *);
113int	core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
114		struct list_head *, struct se_cmd *);
115
116/* target_core_tpg.c */
117extern struct se_device *g_lun0_dev;
118
119struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
120		const char *);
121void	core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
122				  struct se_lun *);
123void	core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
124struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
125int	core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
126		bool, struct se_device *);
127void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
128struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
129		const char *initiatorname);
130void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
131
132/* target_core_transport.c */
133extern struct kmem_cache *se_tmr_req_cache;
134
135int	init_se_kmem_caches(void);
136void	release_se_kmem_caches(void);
137u32	scsi_get_new_index(scsi_index_t);
138void	transport_subsystem_check_init(void);
139void	transport_cmd_finish_abort(struct se_cmd *, int);
140unsigned char *transport_dump_cmd_direction(struct se_cmd *);
141void	transport_dump_dev_state(struct se_device *, char *, int *);
142void	transport_dump_dev_info(struct se_device *, struct se_lun *,
143		unsigned long long, char *, int *);
144void	transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
145int	transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
146int	transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
147int	transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
148void	transport_clear_lun_ref(struct se_lun *);
149void	transport_send_task_abort(struct se_cmd *);
150sense_reason_t	target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
151void	target_qf_do_work(struct work_struct *work);
152bool	target_check_wce(struct se_device *dev);
153bool	target_check_fua(struct se_device *dev);
154void	__target_execute_cmd(struct se_cmd *, bool);
155
156/* target_core_stat.c */
157void	target_stat_setup_dev_default_groups(struct se_device *);
158void	target_stat_setup_port_default_groups(struct se_lun *);
159void	target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
160
161/* target_core_xcopy.c */
162extern struct se_portal_group xcopy_pt_tpg;
163
164/* target_core_configfs.c */
165#define DB_ROOT_LEN		4096
166#define	DB_ROOT_DEFAULT		"/var/target"
167
168extern char db_root[];
169
170#endif /* TARGET_CORE_INTERNAL_H */