1 files changed, 18 insertions, 4 deletions

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 0c775fceb675..ad0182ef7809 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -323,12 +323,20 @@ struct sas_ha_event {
         struct sas_ha_struct *ha;
 };
 
+enum sas_ha_state {
+        SAS_HA_REGISTERED,
+        SAS_HA_UNREGISTERED
+};
+
 struct sas_ha_struct {
 /* private: */
         spinlock_t       event_lock;
         struct sas_ha_event ha_events[HA_NUM_EVENTS];
         unsigned long    pending;
 
+        enum sas_ha_state state;
+        spinlock_t        state_lock;
+
         struct scsi_core core;
 
 /* public: */
@@ -553,15 +561,15 @@ struct sas_task {
 #define SAS_TASK_STATE_PENDING      1
 #define SAS_TASK_STATE_DONE         2
 #define SAS_TASK_STATE_ABORTED      4
-#define SAS_TASK_INITIATOR_ABORTED  8
+#define SAS_TASK_NEED_DEV_RESET     8
+#define SAS_TASK_AT_INITIATOR       16
 
 static inline struct sas_task *sas_alloc_task(gfp_t flags)
 {
         extern struct kmem_cache *sas_task_cache;
-        struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
+        struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
 
         if (task) {
-                memset(task, 0, sizeof(*task));
                 INIT_LIST_HEAD(&task->list);
                 spin_lock_init(&task->task_state_lock);
                 task->task_state_flags = SAS_TASK_STATE_PENDING;
@@ -613,6 +621,9 @@ struct sas_domain_function_template {
 extern int sas_register_ha(struct sas_ha_struct *);
 extern int sas_unregister_ha(struct sas_ha_struct *);
 
+int sas_set_phy_speed(struct sas_phy *phy,
+                      struct sas_phy_linkrates *rates);
+int sas_phy_enable(struct sas_phy *phy, int enabled);
 int sas_phy_reset(struct sas_phy *phy, int hard_reset);
 extern int sas_queuecommand(struct scsi_cmnd *,
                      void (*scsi_done)(struct scsi_cmnd *));
@@ -646,6 +657,9 @@ void sas_unregister_dev(struct domain_device *);
 
 void sas_init_dev(struct domain_device *);
 
-void sas_task_abort(struct work_struct *);
+void sas_task_abort(struct sas_task *);
+int __sas_task_abort(struct sas_task *);
+int sas_eh_device_reset_handler(struct scsi_cmnd *cmd);
+int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd);
 
 #endif /* _SASLIB_H_ */