void *lldd_dev;
};
+struct sas_discovery_event {
+ struct work_struct work;
+ struct asd_sas_port *port;
+};
+
struct sas_discovery {
spinlock_t disc_event_lock;
- struct work_struct disc_work[DISC_NUM_EVENTS];
+ struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
unsigned long pending;
u8 fanout_sas_addr[8];
u8 eeds_a[8];
void *lldd_port; /* not touched by the sas class code */
};
+struct asd_sas_event {
+ struct work_struct work;
+ struct asd_sas_phy *phy;
+};
+
/* The phy pretty much is controlled by the LLDD.
* The class only reads those fields.
*/
struct asd_sas_phy {
/* private: */
/* protected by ha->event_lock */
- struct work_struct port_events[PORT_NUM_EVENTS];
- struct work_struct phy_events[PHY_NUM_EVENTS];
+ struct asd_sas_event port_events[PORT_NUM_EVENTS];
+ struct asd_sas_event phy_events[PHY_NUM_EVENTS];
unsigned long port_events_pending;
unsigned long phy_events_pending;
int queue_thread_kill;
};
+struct sas_ha_event {
+ struct work_struct work;
+ 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 work_struct ha_events[HA_NUM_EVENTS];
+ 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: */
void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event);
void *lldd_ha; /* not touched by sas class code */
+
+ struct list_head eh_done_q;
};
#define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata)
void *lldd_task; /* for use by LLDDs */
void *uldd_task;
+
+ struct work_struct abort_work;
};
-#define SAS_TASK_STATE_PENDING 1
-#define SAS_TASK_STATE_DONE 2
-#define SAS_TASK_STATE_ABORTED 4
+#define SAS_TASK_STATE_PENDING 1
+#define SAS_TASK_STATE_DONE 2
+#define SAS_TASK_STATE_ABORTED 4
+#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;
- struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
+ extern struct kmem_cache *sas_task_cache;
+ 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;
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);
}
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 *));
extern int sas_target_alloc(struct scsi_target *);
void sas_init_dev(struct domain_device *);
+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_ */