[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>
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 3f5b9b4..d430e22 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1462,6 +1462,7 @@
iscsi_pool_free(&session->cmdpool, (void**)session->cmds);
kfree(session->targetname);
+ kfree(session->hwaddress);
iscsi_destroy_session(cls_session);
scsi_host_put(shost);
@@ -1990,6 +1991,45 @@
}
EXPORT_SYMBOL_GPL(iscsi_conn_get_param);
+int iscsi_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param,
+ char *buf)
+{
+ struct iscsi_session *session = iscsi_hostdata(shost->hostdata);
+ int len;
+
+ switch (param) {
+ case ISCSI_HOST_PARAM_HWADDRESS:
+ if (!session->hwaddress)
+ len = sprintf(buf, "%s\n", "default");
+ else
+ len = sprintf(buf, "%s\n", session->hwaddress);
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ return len;
+}
+EXPORT_SYMBOL_GPL(iscsi_host_get_param);
+
+int iscsi_host_set_param(struct Scsi_Host *shost, enum iscsi_host_param param,
+ char *buf, int buflen)
+{
+ struct iscsi_session *session = iscsi_hostdata(shost->hostdata);
+
+ switch (param) {
+ case ISCSI_HOST_PARAM_HWADDRESS:
+ if (!session->hwaddress)
+ session->hwaddress = kstrdup(buf, GFP_KERNEL);
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(iscsi_host_set_param);
+
MODULE_AUTHOR("Mike Christie");
MODULE_DESCRIPTION("iSCSI library functions");
MODULE_LICENSE("GPL");