[mirror_ubuntu-artful-kernel.git] / drivers / target / target_core_internal.h

#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_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 */
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,
		const 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);
int	transport_cmd_finish_abort(struct se_cmd *, int);
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 *);
void	transport_send_task_abort(struct se_cmd *);
sense_reason_t	target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
void	target_qf_do_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"

extern char db_root[];

#endif /* TARGET_CORE_INTERNAL_H */
Commit	Line	Data
e26d99ae CH	1	#ifndef TARGET_CORE_INTERNAL_H
	2	#define TARGET_CORE_INTERNAL_H
	3
8dcf07be BVA	4	#include <linux/configfs.h>
	5	#include <linux/list.h>
	6	#include <linux/types.h>
	7	#include <target/target_core_base.h>
	8
6de2ce5b CH	9	#define TARGET_CORE_NAME_MAX_LEN 64
	10	#define TARGET_FABRIC_NAME_SIZE 32
	11
0a06d430 CH	12	struct 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
6de2ce5b CH	25	struct 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;
6de2ce5b CH	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
e26d99ae CH	55	/* target_core_alua.c */
	56	extern struct t10_alua_lu_gp *default_lu_gp;
	57
e26d99ae	58	/* target_core_device.c */
adf653f9	59	int core_alloc_rtpi(struct se_lun lun, struct se_device dev);
e26d99ae	60	struct se_dev_entry core_get_se_deve_from_rtpi(struct se_node_acl , u16);
29a05dee NB	61	void target_pr_kref_release(struct kref *);
29a05dee NB	62	void core_free_device_list_for_node(struct se_node_acl *,
e26d99ae	63	struct se_portal_group *);
03a68b44	64	void core_update_device_list_access(u64, bool, struct se_node_acl *);
f2d30680	65	struct se_dev_entry target_nacl_find_deve(struct se_node_acl , u64);
e80ac6c4	66	int core_enable_device_list_for_node(struct se_lun , struct se_lun_acl ,
03a68b44	67	u64, bool, struct se_node_acl , struct se_portal_group );
29a05dee NB	68	void core_disable_device_list_for_node(struct se_lun , struct se_dev_entry ,
29a05dee NB	69	struct se_node_acl , struct se_portal_group );
e26d99ae	70	void core_clear_lun_from_tpg(struct se_lun , struct se_portal_group );
6bb82612 NB	71	int core_dev_add_lun(struct se_portal_group , struct se_device ,
6bb82612 NB	72	struct se_lun *lun);
cd9d7cba	73	void core_dev_del_lun(struct se_portal_group , struct se_lun );
e26d99ae	74	struct se_lun_acl core_dev_init_initiator_node_lun_acl(struct se_portal_group ,
f2d30680	75	struct se_node_acl , u64, int );
e26d99ae	76	int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
03a68b44	77	struct se_lun_acl , struct se_lun lun, bool);
adf653f9 CH	78	int core_dev_del_initiator_node_lun_acl(struct se_lun *,
adf653f9 CH	79	struct se_lun_acl *);
e26d99ae CH	80	void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
	81	struct se_lun_acl *lacl);
	82	int core_dev_setup_virtual_lun0(void);
	83	void core_dev_release_virtual_lun0(void);
0fd97ccf CH	84	struct se_device target_alloc_device(struct se_hba hba, const char *name);
	85	int target_configure_device(struct se_device *dev);
	86	void target_free_device(struct se_device *);
b1943fd4 MC	87	int target_for_each_device(int (fn)(struct se_device dev, void *data),
b1943fd4 MC	88	void *data);
e26d99ae	89
0a06d430 CH	90	/* target_core_configfs.c */
	91	void target_setup_backend_cits(struct target_backend *);
	92
2eafd729 CH	93	/* target_core_fabric_configfs.c */
	94	int target_fabric_setup_cits(struct target_fabric_configfs *);
	95
2650d71e CH	96	/* target_core_fabric_lib.c */
	97	int target_get_pr_transport_id_len(struct se_node_acl *nacl,
	98	struct t10_pr_registration pr_reg, int format_code);
	99	int target_get_pr_transport_id(struct se_node_acl *nacl,
	100	struct t10_pr_registration pr_reg, int format_code,
	101	unsigned char *buf);
	102	const char target_parse_pr_out_transport_id(struct se_portal_group tpg,
	103	const char buf, u32 out_tid_len, char **port_nexus_ptr);
	104
e26d99ae CH	105	/* target_core_hba.c */
	106	struct se_hba core_alloc_hba(const char , u32, u32);
	107	int core_delete_hba(struct se_hba *);
	108
	109	/* target_core_tmr.c */
3d28934a NB	110	void core_tmr_abort_task(struct se_device , struct se_tmr_req ,
3d28934a NB	111	struct se_session *);
e26d99ae CH	112	int core_tmr_lun_reset(struct se_device , struct se_tmr_req ,
	113	struct list_head , struct se_cmd );
	114
	115	/* target_core_tpg.c */
	116	extern struct se_device *g_lun0_dev;
	117
	118	struct se_node_acl __core_tpg_get_initiator_node_acl(struct se_portal_group tpg,
	119	const char *);
df9766ca NB	120	void core_tpg_add_node_to_devs(struct se_node_acl , struct se_portal_group ,
df9766ca NB	121	struct se_lun *);
e26d99ae	122	void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
f2d30680	123	struct se_lun core_tpg_alloc_lun(struct se_portal_group , u64);
d344f8a1	124	int core_tpg_add_lun(struct se_portal_group , struct se_lun ,
03a68b44	125	bool, struct se_device *);
cd9d7cba	126	void core_tpg_remove_lun(struct se_portal_group , struct se_lun );
c7d6a803 CH	127	struct se_node_acl core_tpg_add_initiator_node_acl(struct se_portal_group tpg,
	128	const char *initiatorname);
	129	void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
e26d99ae CH	130
	131	/* target_core_transport.c */
	132	extern struct kmem_cache *se_tmr_req_cache;
	133
	134	int init_se_kmem_caches(void);
	135	void release_se_kmem_caches(void);
	136	u32 scsi_get_new_index(scsi_index_t);
	137	void transport_subsystem_check_init(void);
73d4e580	138	int transport_cmd_finish_abort(struct se_cmd *, int);
e26d99ae CH	139	unsigned char transport_dump_cmd_direction(struct se_cmd );
	140	void transport_dump_dev_state(struct se_device , char , int *);
	141	void transport_dump_dev_info(struct se_device , struct se_lun ,
	142	unsigned long long, char , int );
	143	void transport_dump_vpd_proto_id(struct t10_vpd , unsigned char , int);
	144	int transport_dump_vpd_assoc(struct t10_vpd , unsigned char , int);
	145	int transport_dump_vpd_ident_type(struct t10_vpd , unsigned char , int);
	146	int transport_dump_vpd_ident(struct t10_vpd , unsigned char , int);
b3eeea66	147	void transport_clear_lun_ref(struct se_lun *);
e26d99ae	148	void transport_send_task_abort(struct se_cmd *);
de103c93	149	sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
0fd97ccf	150	void target_qf_do_work(struct work_struct *work);
814e5b45 CH	151	bool target_check_wce(struct se_device *dev);
814e5b45 CH	152	bool target_check_fua(struct se_device *dev);
dff0ca9e	153	void __target_execute_cmd(struct se_cmd *, bool);
e26d99ae CH	154
e26d99ae CH	155	/* target_core_stat.c */
0fd97ccf	156	void target_stat_setup_dev_default_groups(struct se_device *);
e26d99ae CH	157	void target_stat_setup_port_default_groups(struct se_lun *);
	158	void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
	159
adf653f9 CH	160	/* target_core_xcopy.c */
	161	extern struct se_portal_group xcopy_pt_tpg;
	162
a96e9783 LD	163	/* target_core_configfs.c */
	164	#define DB_ROOT_LEN 4096
	165	#define DB_ROOT_DEFAULT "/var/target"
	166
	167	extern char db_root[];
	168
e26d99ae	169	#endif /* TARGET_CORE_INTERNAL_H */