isci: unify isci_phy and scic_sds_phy

They are one in the same object so remove the distinction.  The near
duplicate fields (owning_port, and isci_port) will be cleaned up
after the scic_sds_port isci_port unification.
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/scsi/isci/host.h

@@ -101,14 +101,14 @@ struct scic_power_control {
 	 * This field is an array of phys that we are waiting on. The phys are direct
 	 * mapped into requesters via struct scic_sds_phy.phy_index
 	 */
-	struct scic_sds_phy *requesters[SCI_MAX_PHYS];
+	struct isci_phy *requesters[SCI_MAX_PHYS];
 
 };
 
 struct scic_sds_port_configuration_agent;
 typedef void (*port_config_fn)(struct scic_sds_controller *,
 			       struct scic_sds_port_configuration_agent *,
-			       struct scic_sds_port *, struct scic_sds_phy *);
+			       struct scic_sds_port *, struct isci_phy *);
 
 struct scic_sds_port_configuration_agent {
 	u16 phy_configured_mask;
@@ -523,9 +523,8 @@ static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
 	return &scic_to_ihost(scic)->pdev->dev;
 }
 
-static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy)
+static inline struct device *sciphy_to_dev(struct isci_phy *iphy)
 {
-	struct isci_phy *iphy = sci_phy_to_iphy(sci_phy);
 
 	if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host)
 		return NULL;
@@ -606,21 +605,21 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic,
 
 void scic_sds_controller_power_control_queue_insert(
 	struct scic_sds_controller *scic,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_controller_power_control_queue_remove(
 	struct scic_sds_controller *scic,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_controller_link_up(
 	struct scic_sds_controller *scic,
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_controller_link_down(
 	struct scic_sds_controller *scic,
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_controller_remote_device_stopped(
 	struct scic_sds_controller *scic,
@@ -651,7 +650,7 @@ void isci_host_deinit(
 void isci_host_port_link_up(
 	struct isci_host *,
 	struct scic_sds_port *,
-	struct scic_sds_phy *);
+	struct isci_phy *);
 int isci_host_dev_found(struct domain_device *);
 
 void isci_host_remote_device_start_complete(

drivers/scsi/isci/phy.h

@@ -84,102 +84,40 @@ enum scic_sds_phy_protocol {
 };
 
 /**
- * struct scic_sds_phy - This structure  contains or references all of the data
- *    necessary to represent the core phy object and SCU harware protocol
- *    engine.
- *
- *
- */
-struct scic_sds_phy {
-	/**
-	 * This field contains the information for the base phy state machine.
+ * isci_phy - hba local phy infrastructure
+ * @sm:
+ * @protocol: attached device protocol
+ * @phy_index: physical index relative to the controller (0-3)
+ * @bcn_received_while_port_unassigned: bcn to report after port association
+ * @sata_timer: timeout SATA signature FIS arrival
  */
+struct isci_phy {
 	struct sci_base_state_machine sm;
-
-	/**
-	 * This field specifies the port object that owns/contains this phy.
-	 */
 	struct scic_sds_port *owning_port;
-
-	/**
-	 * This field indicates whether the phy supports 1.5 Gb/s, 3.0 Gb/s,
-	 * or 6.0 Gb/s operation.
-	 */
 	enum sas_linkrate max_negotiated_speed;
-
-	/**
-	 * This member specifies the protocol being utilized on this phy.  This
-	 * field contains a legitamite value once the PHY has link trained with
-	 * a remote phy.
-	 */
 	enum scic_sds_phy_protocol protocol;
-
-	/**
-	 * This field specifies the index with which this phy is associated (0-3).
-	 */
 	u8 phy_index;
-
-	/**
-	 * This member indicates if this particular PHY has received a BCN while
-	 * it had no port assignement.  This BCN will be reported once the phy is
-	 * assigned to a port.
-	 */
 	bool bcn_received_while_port_unassigned;
-
-	/**
-	 * This field indicates if this PHY is currently in the process of
-	 * link training (i.e. it has started OOB, but has yet to perform
-	 * IAF exchange/Signature FIS reception).
-	 */
 	bool is_in_link_training;
-
-	/**
-	 * Timer to detect when a signature FIS timeout has occurred. The
-	 * signature FIS is the first FIS sent by an attached SATA device
-	 * after OOB/SN.
-	 */
 	struct sci_timer sata_timer;
-
-	/**
-	 * This field is the pointer to the transport layer register for the SCU
-	 * hardware.
-	 */
 	struct scu_transport_layer_registers __iomem *transport_layer_registers;
-
-	/**
-	 * This field points to the link layer register set within the SCU.
-	 */
 	struct scu_link_layer_registers __iomem *link_layer_registers;
-
-};
-
-
-struct isci_phy {
-	struct scic_sds_phy sci;
 	struct asd_sas_phy sas_phy;
 	struct isci_port *isci_port;
 	u8 sas_addr[SAS_ADDR_SIZE];
-
 	union {
 		struct sas_identify_frame iaf;
 		struct dev_to_host_fis fis;
 	} frame_rcvd;
 };
 
-static inline struct isci_phy *to_isci_phy(struct asd_sas_phy *sas_phy)
+static inline struct isci_phy *to_iphy(struct asd_sas_phy *sas_phy)
 {
 	struct isci_phy *iphy = container_of(sas_phy, typeof(*iphy), sas_phy);
 
 	return iphy;
 }
 
-static inline struct isci_phy *sci_phy_to_iphy(struct scic_sds_phy *sci_phy)
-{
-	struct isci_phy *iphy = container_of(sci_phy, typeof(*iphy), sci);
-
-	return iphy;
-}
-
 struct scic_phy_cap {
 	union {
 		struct {
@@ -520,61 +458,61 @@ enum scic_sds_phy_states {
 	(scic_sds_port_get_controller((phy)->owning_port))
 
 void scic_sds_phy_construct(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	struct scic_sds_port *owning_port,
 	u8 phy_index);
 
-struct scic_sds_port *phy_get_non_dummy_port(struct scic_sds_phy *sci_phy);
+struct scic_sds_port *phy_get_non_dummy_port(struct isci_phy *iphy);
 
 void scic_sds_phy_set_port(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	struct scic_sds_port *owning_port);
 
 enum sci_status scic_sds_phy_initialize(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	struct scu_transport_layer_registers __iomem *transport_layer_registers,
 	struct scu_link_layer_registers __iomem *link_layer_registers);
 
 enum sci_status scic_sds_phy_start(
-	struct scic_sds_phy *this_phy);
+	struct isci_phy *iphy);
 
 enum sci_status scic_sds_phy_stop(
-	struct scic_sds_phy *this_phy);
+	struct isci_phy *iphy);
 
 enum sci_status scic_sds_phy_reset(
-	struct scic_sds_phy *this_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_phy_resume(
-	struct scic_sds_phy *this_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_phy_setup_transport(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	u32 device_id);
 
 enum sci_status scic_sds_phy_event_handler(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	u32 event_code);
 
 enum sci_status scic_sds_phy_frame_handler(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	u32 frame_index);
 
 enum sci_status scic_sds_phy_consume_power_handler(
-	struct scic_sds_phy *this_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_phy_get_sas_address(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	struct sci_sas_address *sas_address);
 
 void scic_sds_phy_get_attached_sas_address(
-	struct scic_sds_phy *this_phy,
+	struct isci_phy *iphy,
 	struct sci_sas_address *sas_address);
 
 struct scic_phy_proto;
 void scic_sds_phy_get_protocols(
-	struct scic_sds_phy *sci_phy,
+	struct isci_phy *iphy,
 	struct scic_phy_proto *protocols);
-enum sas_linkrate sci_phy_linkrate(struct scic_sds_phy *sci_phy);
+enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy);
 
 struct isci_host;
 void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index);

drivers/scsi/isci/port.h

@@ -131,7 +131,7 @@ struct scic_sds_port {
 	/**
 	 * This field is the table of phys assigned to the port.
 	 */
-	struct scic_sds_phy *phy_table[SCI_MAX_PHYS];
+	struct isci_phy *phy_table[SCI_MAX_PHYS];
 
 	/**
 	 * This field is a pointer back to the controller that owns this
@@ -328,11 +328,11 @@ enum sci_status scic_sds_port_stop(struct scic_sds_port *sci_port);
 
 enum sci_status scic_sds_port_add_phy(
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 enum sci_status scic_sds_port_remove_phy(
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 void scic_sds_port_setup_transports(
 	struct scic_sds_port *sci_port,
@@ -342,17 +342,17 @@ void isci_port_bcn_enable(struct isci_host *, struct isci_port *);
 
 void scic_sds_port_deactivate_phy(
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy,
+	struct isci_phy *iphy,
 	bool do_notify_user);
 
 bool scic_sds_port_link_detected(
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
-				      struct scic_sds_phy *sci_phy);
+				      struct isci_phy *iphy);
 enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
-					struct scic_sds_phy *sci_phy);
+					struct isci_phy *iphy);
 
 struct isci_request;
 struct scic_sds_remote_device;
@@ -371,7 +371,7 @@ enum sas_linkrate scic_sds_port_get_max_allowed_speed(
 
 void scic_sds_port_broadcast_change_received(
 	struct scic_sds_port *sci_port,
-	struct scic_sds_phy *sci_phy);
+	struct isci_phy *iphy);
 
 bool scic_sds_port_is_valid_phy_assignment(
 	struct scic_sds_port *sci_port,

drivers/scsi/isci/remote_device.c

@@ -1389,7 +1389,7 @@ int isci_remote_device_found(struct domain_device *domain_dev)
 	sas_port = domain_dev->port;
 	sas_phy = list_first_entry(&sas_port->phy_list, struct asd_sas_phy,
 				   port_phy_el);
-	isci_phy = to_isci_phy(sas_phy);
+	isci_phy = to_iphy(sas_phy);
 	isci_port = isci_phy->isci_port;
 
 	/* we are being called for a device on this port,