1 #ifndef SCSI_TRANSPORT_SRP_H
2 #define SCSI_TRANSPORT_SRP_H
3 
4 #include <linux/transport_class.h>
5 #include <linux/types.h>
6 #include <linux/mutex.h>
7 
8 #define SRP_RPORT_ROLE_INITIATOR 0
9 #define SRP_RPORT_ROLE_TARGET 1
10 
11 struct srp_rport_identifiers {
12 	u8 port_id[16];
13 	u8 roles;
14 };
15 
16 struct srp_rport {
17 	/* for initiator and target drivers */
18 
19 	struct device dev;
20 
21 	u8 port_id[16];
22 	u8 roles;
23 
24 	/* for initiator drivers */
25 
26 	void *lld_data;	/* LLD private data */
27 };
28 
29 struct srp_function_template {
30 	/* for initiator drivers */
31 	void (*rport_delete)(struct srp_rport *rport);
32 	/* for target drivers */
33 	int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
34 	int (* it_nexus_response)(struct Scsi_Host *, u64, int);
35 };
36 
37 extern struct scsi_transport_template *
38 srp_attach_transport(struct srp_function_template *);
39 extern void srp_release_transport(struct scsi_transport_template *);
40 
41 extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
42 				       struct srp_rport_identifiers *);
43 extern void srp_rport_del(struct srp_rport *);
44 
45 extern void srp_remove_host(struct Scsi_Host *);
46 
47 #endif
48