1 files changed, 10 insertions, 4 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 3b8a6a85c2f..7d210cd6c38 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
@@ -145,9 +148,6 @@ struct scsi_host_template {
         int (* transfer_response)(struct scsi_cmnd *,
                                   void (*done)(struct scsi_cmnd *));
 
-        /* Used as callback for the completion of task management request. */
-        int (* tsk_mgmt_response)(u64 mid, int result);
-
         /*
          * This is an error handling strategy routine.  You don't need to
          * define one of these if you don't want to - there is a default
@@ -408,6 +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;
@@ -575,8 +580,9 @@ struct Scsi_Host {
          * Used to assign serial numbers to the cmds.
          * Protected by the host lock.
          */
-        unsigned long cmd_serial_number, cmd_pid; 
+        unsigned long cmd_serial_number;
         
+        unsigned active_mode:2;
         unsigned unchecked_isa_dma:1;
         unsigned use_clustering:1;
         unsigned use_blk_tcq:1;