[SCSI] iscsi_transport: export hw address

Add hw address sysfs file.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

2 files changed, 12 insertions, 1 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 55ebf035e620..fba211743729 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -250,6 +250,14 @@ enum iscsi_param {
 #define ISCSI_CONN_PORT                 (1 << ISCSI_PARAM_CONN_PORT)
 #define ISCSI_CONN_ADDRESS              (1 << ISCSI_PARAM_CONN_ADDRESS)
 
+/* iSCSI HBA params */
+enum iscsi_host_param {
+        ISCSI_HOST_PARAM_HWADDRESS,
+        ISCSI_HOST_PARAM_MAX,
+};
+
+#define ISCSI_HOST_HWADDRESS            (1 << ISCSI_HOST_PARAM_HWADDRESS)
+
 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
 #define hostdata_session(_hostdata) (iscsi_ptr(*(unsigned long *)_hostdata))
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index d5c218ddc527..e962c5357eef 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -79,7 +79,8 @@ struct iscsi_transport {
         char *name;
         unsigned int caps;
         /* LLD sets this to indicate what values it can export to sysfs */
-        unsigned int param_mask;
+        uint64_t param_mask;
+        uint64_t host_param_mask;
         struct scsi_host_template *host_template;
         /* LLD connection data size */
         int conndata_size;
@@ -105,6 +106,8 @@ struct iscsi_transport {
                                enum iscsi_param param, char *buf);
         int (*get_session_param) (struct iscsi_cls_session *session,
                                   enum iscsi_param param, char *buf);
+        int (*get_host_param) (struct Scsi_Host *shost,
+                                enum iscsi_host_param param, char *buf);
         int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
                          char *data, uint32_t data_size);
         void (*get_stats) (struct iscsi_cls_conn *conn,