[SCSI] libsas: Handle SCSI commands that complete with failure codes

[powerpc.git] / include / scsi / libsas.h

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 9233ed5..b200233 100644 (file)
--- 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: */
@@ -553,11 +561,12 @@ 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 kmem_cache_t *sas_task_cache;
+       extern struct kmem_cache *sas_task_cache;
        struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
 
        if (task) {
@@ -575,7 +584,7 @@ static inline struct sas_task *sas_alloc_task(gfp_t flags)
 static inline void sas_free_task(struct sas_task *task)
 {
        if (task) {
-               extern kmem_cache_t *sas_task_cache;
+               extern struct kmem_cache *sas_task_cache;
                BUG_ON(!list_empty(&task->list));
                kmem_cache_free(sas_task_cache, task);
        }
@@ -613,6 +622,9 @@ 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 +658,8 @@ 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);
 
 #endif /* _SASLIB_H_ */