Merge branch 'powernv-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/benh...
[deliverable/linux.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_wait_conn)(struct iscsi_conn *);
16 void (*iscsit_free_conn)(struct iscsi_conn *);
17 int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
18 int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);
19 int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
20 int (*iscsit_response_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
21 int (*iscsit_get_dataout)(struct iscsi_conn *, struct iscsi_cmd *, bool);
22 int (*iscsit_queue_data_in)(struct iscsi_conn *, struct iscsi_cmd *);
23 int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
24 };
25
26 static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
27 {
28 return (void *)(cmd + 1);
29 }
30
31 /*
32 * From iscsi_target_transport.c
33 */
34
35 extern int iscsit_register_transport(struct iscsit_transport *);
36 extern void iscsit_unregister_transport(struct iscsit_transport *);
37 extern struct iscsit_transport *iscsit_get_transport(int);
38 extern void iscsit_put_transport(struct iscsit_transport *);
39
40 /*
41 * From iscsi_target.c
42 */
43 extern int iscsit_setup_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
44 unsigned char *);
45 extern void iscsit_set_unsoliticed_dataout(struct iscsi_cmd *);
46 extern int iscsit_process_scsi_cmd(struct iscsi_conn *, struct iscsi_cmd *,
47 struct iscsi_scsi_req *);
48 extern int iscsit_check_dataout_hdr(struct iscsi_conn *, unsigned char *,
49 struct iscsi_cmd **);
50 extern int iscsit_check_dataout_payload(struct iscsi_cmd *, struct iscsi_data *,
51 bool);
52 extern int iscsit_setup_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
53 struct iscsi_nopout *);
54 extern int iscsit_process_nop_out(struct iscsi_conn *, struct iscsi_cmd *,
55 struct iscsi_nopout *);
56 extern int iscsit_handle_logout_cmd(struct iscsi_conn *, struct iscsi_cmd *,
57 unsigned char *);
58 extern int iscsit_handle_task_mgt_cmd(struct iscsi_conn *, struct iscsi_cmd *,
59 unsigned char *);
60 extern int iscsit_setup_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
61 struct iscsi_text *);
62 extern int iscsit_process_text_cmd(struct iscsi_conn *, struct iscsi_cmd *,
63 struct iscsi_text *);
64 extern void iscsit_build_rsp_pdu(struct iscsi_cmd *, struct iscsi_conn *,
65 bool, struct iscsi_scsi_rsp *);
66 extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
67 struct iscsi_nopin *, bool);
68 extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
69 struct iscsi_tm_rsp *);
70 extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
71 struct iscsi_text_rsp *);
72 extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
73 struct iscsi_reject *);
74 extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,
75 struct iscsi_logout_rsp *);
76 extern int iscsit_logout_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
77 /*
78 * From iscsi_target_device.c
79 */
80 extern void iscsit_increment_maxcmdsn(struct iscsi_cmd *, struct iscsi_session *);
81 /*
82 * From iscsi_target_erl0.c
83 */
84 extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
85 /*
86 * From iscsi_target_erl1.c
87 */
88 extern void iscsit_stop_dataout_timer(struct iscsi_cmd *);
89
90 /*
91 * From iscsi_target_tmr.c
92 */
93 extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
94
95 /*
96 * From iscsi_target_util.c
97 */
98 extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, int);
99 extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
100 unsigned char *, __be32);
101 extern void iscsit_release_cmd(struct iscsi_cmd *);
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