[SCSI] libiscsi, iscsi_tcp, ib_iser : add sw iscsi host get/set params helpers

iscsid and udev need to key off the hw address being
used so add some helpers for iser and iscsi tcp.

Also convert them

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ea0816d4904d..e202cc00c8e7 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -224,7 +224,8 @@ struct iscsi_session {
         int                     erl;
         int                     tpgt;
         char                    *targetname;
-
+        /* hw address being used for iscsi connection */
+        char                    *hwaddress;
         /* control data */
         struct iscsi_transport  *tt;
         struct Scsi_Host        *host;
@@ -255,6 +256,16 @@ extern int iscsi_eh_host_reset(struct scsi_cmnd *sc);
 extern int iscsi_queuecommand(struct scsi_cmnd *sc,
                               void (*done)(struct scsi_cmnd *));
 
+
+/*
+ * iSCSI host helpers.
+ */
+extern int iscsi_host_set_param(struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf,
+                                int buflen);
+extern int iscsi_host_get_param(struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf);
+
 /*
  * session management
  */