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[mirror_ubuntu-artful-kernel.git] / include / target / iscsi / iscsi_transport.h
1 #include <linux/module.h>
2 #include <linux/list.h>
3 #include "../../../drivers/target/iscsi/iscsi_target_core.h"
4
5 struct iscsit_transport {
6 #define ISCSIT_TRANSPORT_NAME 16
7 char name[ISCSIT_TRANSPORT_NAME];
8 int transport_type;
9 int priv_size;
10 struct module *owner;
11 struct list_head t_node;
12 int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *);
13 int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
14 void (*iscsit_free_np)(struct iscsi_np *);
15 void (*iscsit_free_conn)(struct iscsi_conn *);
16 int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
17 int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);
18 int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
19 int (*iscsit_response_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
20 int (*iscsit_get_dataout)(struct iscsi_conn *, struct iscsi_cmd *, bool);
21 int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *);
22 int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
23 };
24
25 static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
26 {
27 return (void *)(cmd + 1);
28 }
29
30 /*
31 * From iscsi_target_transport.c
32 */
33
34 extern int iscsit_register_transport(struct iscsit_transport *);
35 extern void iscsit_unregister_transport(struct iscsit_transport *);
36 extern struct iscsit_transport *iscsit_get_transport(int);
37 extern void iscsit_put_transport(struct iscsit_transport *);
38
39 /*
40 * From iscsi_target.c
41 */
42 extern int iscsit_setup_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
43 unsigned char *);
44 extern void iscsit_set_unsoliticed_dataout(struct iscsi_cmd *);
45 extern int iscsit_process_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
46 struct iscsi_scsi_req *);
47 extern int iscsit_check_dataout_hdr(struct iscsi_conn *, unsigned char *,
48 struct iscsi_cmd **);
49 extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *,
50 bool);
51 extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
52 struct iscsi_nopout *);
53 extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
54 struct iscsi_nopout *);
55 extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *,
56 unsigned char *);
57 extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *,
58 unsigned char *);
59 extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
60 struct iscsi_text *);
61 extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
62 struct iscsi_text *);
63 extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *,
64 bool, struct iscsi_scsi_rsp *);
65 extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
66 struct iscsi_nopin *, bool);
67 extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
68 struct iscsi_tm_rsp *);
69 extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
70 struct iscsi_text_rsp *);
71 extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
72 struct iscsi_reject *);
73 extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
74 struct iscsi_logout_rsp *);
75 extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
76 /*
77 * From iscsi_target_device.c
78 */
79 extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *);
80 /*
81 * From iscsi_target_erl0.c
82 */
83 extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
84 /*
85 * From iscsi_target_erl1.c
86 */
87 extern void iscsit_stop_dataout_timer(struct iscsi_cmd *);
88
89 /*
90 * From iscsi_target_tmr.c
91 */
92 extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
93
94 /*
95 * From iscsi_target_util.c
96 */
97 extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
98 extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
99 unsigned char *, __be32);
100 extern void iscsit_release_cmd(struct iscsi_cmd *);