Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (97 commits)
  [SCSI] zfcp: removed wrong comment
  [SCSI] zfcp: use of uninitialized variable
  [SCSI] zfcp: Invalid locking order
  [SCSI] aic79xx: use dma_get_required_mask()
  [SCSI] aic79xx: fix bracket mismatch in unused macro
  [SCSI] BusLogic: Replace 'boolean' by 'bool'
  [SCSI] advansys: clean up warnings
  [SCSI] 53c7xx: brackets fix in uncompiled code
  [SCSI] nsp_cs: remove old scsi code
  [SCSI] aic79xx: make ahd_match_scb() static
  [SCSI] DAC960: kmalloc->kzalloc/Casting cleanups
  [SCSI] scsi_kmap_atomic_sg(): check that local irqs are disabled
  [SCSI] Buslogic: local_irq_disable() is redundant after local_irq_save()
  [SCSI] aic94xx: update for v28 firmware
  [SCSI] scsi_error: Fix lost EH commands
  [SCSI] aic94xx: Add default bus reset handler
  [SCSI] aic94xx: Remove TMF result code munging
  [SCSI] libsas: Add an LU reset mechanism to the error handler
  [SCSI] libsas: Don't BUG when connecting two expanders via wide port
  [SCSI] st: fix Tape dies if wrong block size used, bug 7919
  ...

3 files changed, 21 insertions, 2 deletions

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 0689e004a281..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: */
@@ -553,7 +561,8 @@ 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)
 {
@@ -612,6 +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 *));
@@ -645,6 +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_ */
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 59633a82de47..9aedc19820b0 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -54,6 +54,7 @@ struct sas_identify {
 struct sas_phy {
 	struct device		dev;
 	int			number;
+	int			enabled;
 
 	/* phy identification */
 	struct sas_identify	identify;
@@ -163,6 +164,7 @@ struct sas_function_template {
 	int (*get_enclosure_identifier)(struct sas_rphy *, u64 *);
 	int (*get_bay_identifier)(struct sas_rphy *);
 	int (*phy_reset)(struct sas_phy *, int);
+	int (*phy_enable)(struct sas_phy *, int);
 	int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *);
 };
 
@@ -180,6 +182,7 @@ extern struct sas_rphy *sas_end_device_alloc(struct sas_port *);
 extern struct sas_rphy *sas_expander_alloc(struct sas_port *, enum sas_device_type);
 void sas_rphy_free(struct sas_rphy *);
 extern int sas_rphy_add(struct sas_rphy *);
+extern void sas_rphy_remove(struct sas_rphy *);
 extern void sas_rphy_delete(struct sas_rphy *);
 extern int scsi_is_sas_rphy(const struct device *);
 
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index da180f738477..286e9628ed8b 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -85,6 +85,7 @@ struct spi_host_attrs {
 #define spi_pcomp_en(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->pcomp_en)
 #define spi_hold_mcs(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->hold_mcs)
 #define spi_initial_dv(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->initial_dv)
+#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
 
 #define spi_support_sync(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_sync)
 #define spi_support_wide(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_wide)