include/scsi/scsi_transport_srp.h

   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