@@ -42,6 +42,16 @@ enum scsi_eh_timer_return {
 	EH_RESET_TIMER,
 };
 
+/*
+ * shost pm policy: If you alter this, you also need to alter scsi_sysfs.c
+ * (for the ascii descriptions)
+ */
+enum scsi_host_link_pm {
+	SHOST_NOT_AVAILABLE,
+	SHOST_MIN_POWER,
+	SHOST_MAX_PERFORMANCE,
+	SHOST_MEDIUM_POWER,
+};
 
 struct scsi_host_template {
 	struct module *module;

@@ -345,6 +355,12 @@ struct scsi_host_template {
 	int (*suspend)(struct scsi_device *, pm_message_t state);
 
 	/*
+ 	 * link power management support
+ 	 */
+	int (*set_link_pm_policy)(struct Scsi_Host *, enum scsi_host_link_pm);
+	enum scsi_host_link_pm default_link_pm_policy;
+
+	/*
 	 * Name of proc directory
 	 */
 	char *proc_name;

@@ -642,6 +658,7 @@ struct Scsi_Host {
 	
 
 	enum scsi_host_state shost_state;
+	enum scsi_host_link_pm shost_link_pm_policy;
 
 	/* ldm bits */
 	struct device		shost_gendev;