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Nicholas Bellingere48354c2011-07-23 06:43:04 +00001#ifndef ISCSI_TARGET_UTIL_H
2#define ISCSI_TARGET_UTIL_H
3
4#define MARKER_SIZE 8
5
6extern int iscsit_add_r2t_to_list(struct iscsi_cmd *, u32, u32, int, u32);
7extern struct iscsi_r2t *iscsit_get_r2t_for_eos(struct iscsi_cmd *, u32, u32);
8extern struct iscsi_r2t *iscsit_get_r2t_from_list(struct iscsi_cmd *);
9extern void iscsit_free_r2t(struct iscsi_r2t *, struct iscsi_cmd *);
10extern void iscsit_free_r2ts_from_list(struct iscsi_cmd *);
Nicholas Bellingercdb72662013-03-06 22:09:17 -080011extern struct iscsi_cmd *iscsit_alloc_cmd(struct iscsi_conn *, gfp_t);
Nicholas Bellinger676687c2014-01-20 03:36:44 +000012extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000013extern struct iscsi_seq *iscsit_get_seq_holder_for_datain(struct iscsi_cmd *, u32);
14extern struct iscsi_seq *iscsit_get_seq_holder_for_r2t(struct iscsi_cmd *);
15extern struct iscsi_r2t *iscsit_get_holder_for_r2tsn(struct iscsi_cmd *, u32);
Nicholas Bellinger561bf152013-07-03 03:58:58 -070016extern int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
17 unsigned char * ,__be32 cmdsn);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000018extern int iscsit_check_unsolicited_dataout(struct iscsi_cmd *, unsigned char *);
Christoph Hellwig66c7db62012-09-26 08:00:39 -040019extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000020extern struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *,
Christoph Hellwig66c7db62012-09-26 08:00:39 -040021 itt_t, u32);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000022extern struct iscsi_cmd *iscsit_find_cmd_from_ttt(struct iscsi_conn *, u32);
23extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd **,
Christoph Hellwig66c7db62012-09-26 08:00:39 -040024 struct iscsi_conn_recovery **, itt_t);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000025extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
26extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *);
27extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
28extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *);
29extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *);
Roland Dreierd5627ac2012-10-31 09:16:46 -070030extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000031extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *);
32extern void iscsit_release_cmd(struct iscsi_cmd *);
Nicholas Bellinger131e6ab2014-03-22 14:55:56 -070033extern void __iscsit_free_cmd(struct iscsi_cmd *, bool, bool);
Nicholas Bellingeraafc9d12013-05-31 00:49:41 -070034extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
Nicholas Bellingere48354c2011-07-23 06:43:04 +000035extern int iscsit_check_session_usage_count(struct iscsi_session *);
36extern void iscsit_dec_session_usage_count(struct iscsi_session *);
37extern void iscsit_inc_session_usage_count(struct iscsi_session *);
38extern int iscsit_set_sync_and_steering_values(struct iscsi_conn *);
39extern struct iscsi_conn *iscsit_get_conn_from_cid(struct iscsi_session *, u16);
40extern struct iscsi_conn *iscsit_get_conn_from_cid_rcfr(struct iscsi_session *, u16);
41extern void iscsit_check_conn_usage_count(struct iscsi_conn *);
42extern void iscsit_dec_conn_usage_count(struct iscsi_conn *);
43extern void iscsit_inc_conn_usage_count(struct iscsi_conn *);
44extern void iscsit_mod_nopin_response_timer(struct iscsi_conn *);
45extern void iscsit_start_nopin_response_timer(struct iscsi_conn *);
46extern void iscsit_stop_nopin_response_timer(struct iscsi_conn *);
47extern void __iscsit_start_nopin_timer(struct iscsi_conn *);
48extern void iscsit_start_nopin_timer(struct iscsi_conn *);
49extern void iscsit_stop_nopin_timer(struct iscsi_conn *);
50extern int iscsit_send_tx_data(struct iscsi_cmd *, struct iscsi_conn *, int);
51extern int iscsit_fe_sendpage_sg(struct iscsi_cmd *, struct iscsi_conn *);
52extern int iscsit_tx_login_rsp(struct iscsi_conn *, u8, u8);
53extern void iscsit_print_session_params(struct iscsi_session *);
54extern int iscsit_print_dev_to_proc(char *, char **, off_t, int);
55extern int iscsit_print_sessions_to_proc(char *, char **, off_t, int);
56extern int iscsit_print_tpg_to_proc(char *, char **, off_t, int);
57extern int rx_data(struct iscsi_conn *, struct kvec *, int, int);
58extern int tx_data(struct iscsi_conn *, struct kvec *, int, int);
59extern void iscsit_collect_login_stats(struct iscsi_conn *, u8, u8);
60extern struct iscsi_tiqn *iscsit_snmp_get_tiqn(struct iscsi_conn *);
61
62#endif /*** ISCSI_TARGET_UTIL_H ***/