1 files changed, 9 insertions, 0 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 88f6871badd8..5b79697a3a80 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -32,6 +32,9 @@ struct blk_queue_tags;
 #define SG_NONE 0
 #define SG_ALL 0xff
 
+#define MODE_UNKNOWN 0x00
+#define MODE_INITIATOR 0x01
+#define MODE_TARGET 0x02
 
 #define DISABLE_CLUSTERING 0
 #define ENABLE_CLUSTERING 1
@@ -405,6 +408,11 @@ struct scsi_host_template {
         unsigned char present;
 
         /*
+         * This specifies the mode that a LLD supports.
+         */
+        unsigned supported_mode:2;
+
+        /*
          * true if this host adapter uses unchecked DMA onto an ISA bus.
          */
         unsigned unchecked_isa_dma:1;
@@ -574,6 +582,7 @@ struct Scsi_Host {
          */
         unsigned long cmd_serial_number, cmd_pid; 
         
+        unsigned active_mode:2;
         unsigned unchecked_isa_dma:1;
         unsigned use_clustering:1;
         unsigned use_blk_tcq:1;