#define _ISCI_REMOTE_DEVICE_H_
#include <scsi/libsas.h>
#include "sci_status.h"
-#include "intel_sas.h"
#include "scu_remote_node_context.h"
#include "remote_node_context.h"
#include "port.h"
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED,
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED,
-
SCIC_REMOTE_DEVICE_NOT_READY_REASON_CODE_MAX
-
};
struct scic_sds_remote_device {
- /**
- * The field specifies that the parent object for the base remote
- * device is the base object itself.
- */
- struct sci_base_object parent;
-
/**
* This field contains the information for the base remote device state
* machine.
*/
bool is_direct_attached;
-#if !defined(DISABLE_ATAPI)
- /**
- * This filed is assinged the value of true if the device is an ATAPI
- * device.
- */
- bool is_atapi;
-#endif
-
/**
* This filed contains a pointer back to the port to which this device
* is assigned.
* assigned in the state handlers and used in the state transition.
*/
u32 not_ready_reason;
-
- /**
- * This field is true if this remote device has an initialzied ready substate
- * machine. SSP devices do not have a ready substate machine and STP devices
- * have a ready substate machine.
- */
- bool has_ready_substate_machine;
-
- /**
- * This field contains the state machine for the ready substate machine for
- * this struct scic_sds_remote_device object.
- */
- struct sci_base_state_machine ready_substate_machine;
-
- /**
- * This field maintains the set of state handlers for the remote device
- * object. These are changed each time the remote device enters a new state.
- */
- const struct scic_sds_remote_device_state_handler *state_handlers;
};
struct isci_remote_device {
struct isci_remote_device *idev);
void isci_remote_device_nuke_requests(struct isci_host *ihost,
struct isci_remote_device *idev);
-void isci_remote_device_ready(struct isci_host *ihost,
- struct isci_remote_device *idev);
-void isci_remote_device_not_ready(struct isci_host *ihost,
- struct isci_remote_device *idev, u32 reason);
void isci_remote_device_gone(struct domain_device *domain_dev);
int isci_remote_device_found(struct domain_device *domain_dev);
bool isci_device_is_reset_pending(struct isci_host *ihost,
enum sci_status scic_remote_device_reset_complete(
struct scic_sds_remote_device *remote_device);
-
-
-/**
- * scic_remote_device_get_connection_rate() - This method simply returns the
- * link rate at which communications to the remote device occur.
- * @remote_device: This parameter specifies the device for which to get the
- * connection rate.
- *
- * Return the link rate at which we transfer for the supplied remote device.
- */
-enum sas_linkrate scic_remote_device_get_connection_rate(
- struct scic_sds_remote_device *remote_device);
-
-#if !defined(DISABLE_ATAPI)
-/**
- * scic_remote_device_is_atapi() -
- * @this_device: The device whose type is to be decided.
- *
- * This method first decide whether a device is a stp target, then decode the
- * signature fis of a DA STP device to tell whether it is a standard end disk
- * or an ATAPI device. bool Indicate a device is ATAPI device or not.
- */
-bool scic_remote_device_is_atapi(
- struct scic_sds_remote_device *device_handle);
-#else /* !defined(DISABLE_ATAPI) */
#define scic_remote_device_is_atapi(device_handle) false
-#endif /* !defined(DISABLE_ATAPI) */
-
-
/**
* enum scic_sds_remote_device_states - This enumeration depicts all the states
*/
SCI_BASE_REMOTE_DEVICE_STATE_READY,
- /**
- * This state indicates that the remote device is in the process of
- * stopping. In this state no new IO operations are permitted, but
- * existing IO operations are allowed to complete.
- * This state is entered from the READY state.
- * This state is entered from the FAILED state.
- */
- SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
-
- /**
- * This state indicates that the remote device has failed.
- * In this state no new IO operations are permitted.
- * This state is entered from the INITIALIZING state.
- * This state is entered from the READY state.
- */
- SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
-
- /**
- * This state indicates the device is being reset.
- * In this state no new IO operations are permitted.
- * This state is entered from the READY state.
- */
- SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
-
- /**
- * Simply the final state for the base remote device state machine.
- */
- SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
-};
-
-/**
- * enum scic_sds_ssp_remote_device_ready_substates -
- *
- * This is the enumeration of the ready substates for the
- * struct scic_sds_remote_device.
- */
-enum scic_sds_ssp_remote_device_ready_substates {
- /**
- * This is the initial state for the remote device ready substate.
- */
- SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_INITIAL,
-
- /**
- * This is the ready operational substate for the remote device.
- * This is the normal operational state for a remote device.
- */
- SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_OPERATIONAL,
-
- /**
- * This is the suspended state for the remote device. This is the state
- * that the device is placed in when a RNC suspend is received by
- * the SCU hardware.
- */
- SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_SUSPENDED,
-
- /**
- * This is the final state that the device is placed in before a change
- * to the base state machine.
- */
- SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_FINAL,
-
- SCIC_SDS_SSP_REMOTE_DEVICE_READY_MAX_SUBSTATES
-};
-
-/**
- * enum scic_sds_stp_remote_device_ready_substates -
- *
- * This is the enumeration for the struct scic_sds_remote_device ready substates
- * for the STP remote device.
- */
-enum scic_sds_stp_remote_device_ready_substates {
/**
* This is the idle substate for the stp remote device. When there are no
* active IO for the device it is is in this state.
*/
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR,
-#if !defined(DISABLE_ATAPI)
- /**
- * This is the ATAPI error state for the STP ATAPI remote device. This state is
- * entered when ATAPI device sends error status FIS without data while the device
- * object is in CMD state. A suspension event is expected in this state. The device
- * object will resume right away.
- */
- SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR,
-#endif
-
/**
* This is the READY substate indicates the device is waiting for the RESET task
* coming to be recovered from certain hardware specific error.
*/
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET,
-};
-/**
- * enum scic_sds_smp_remote_device_ready_substates -
- *
- * This is the enumeration of the ready substates for the SMP REMOTE DEVICE.
- */
-enum scic_sds_smp_remote_device_ready_substates {
/**
* This is the ready operational substate for the remote device. This is the
* normal operational state for a remote device.
* the device is placed in when a RNC suspend is received by the SCU hardware.
*/
SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD,
+
+ /**
+ * This state indicates that the remote device is in the process of
+ * stopping. In this state no new IO operations are permitted, but
+ * existing IO operations are allowed to complete.
+ * This state is entered from the READY state.
+ * This state is entered from the FAILED state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
+
+ /**
+ * This state indicates that the remote device has failed.
+ * In this state no new IO operations are permitted.
+ * This state is entered from the INITIALIZING state.
+ * This state is entered from the READY state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
+
+ /**
+ * This state indicates the device is being reset.
+ * In this state no new IO operations are permitted.
+ * This state is entered from the READY state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
+
+ /**
+ * Simply the final state for the base remote device state machine.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
};
static inline struct scic_sds_remote_device *rnc_to_dev(struct scic_sds_remote_node_context *rnc)
return sci_dev;
}
-static inline struct domain_device *sci_dev_to_domain(struct scic_sds_remote_device *sci_dev)
+static inline struct isci_remote_device *sci_dev_to_idev(struct scic_sds_remote_device *sci_dev)
{
struct isci_remote_device *idev = container_of(sci_dev, typeof(*idev), sci);
- return idev->domain_dev;
+ return idev;
+}
+
+static inline struct domain_device *sci_dev_to_domain(struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev_to_idev(sci_dev)->domain_dev;
}
static inline bool dev_is_expander(struct domain_device *dev)
return dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV;
}
-typedef enum sci_status (*scic_sds_remote_device_request_handler_t)(
- struct scic_sds_remote_device *device,
- struct scic_sds_request *request);
-
-typedef enum sci_status (*scic_sds_remote_device_high_priority_request_complete_handler_t)(
- struct scic_sds_remote_device *device,
- struct scic_sds_request *request,
- void *,
- enum sci_io_status);
-
-typedef enum sci_status (*scic_sds_remote_device_handler_t)(
- struct scic_sds_remote_device *sci_dev);
-
-typedef enum sci_status (*scic_sds_remote_device_suspend_handler_t)(
- struct scic_sds_remote_device *sci_dev,
- u32 suspend_type);
-
-typedef enum sci_status (*scic_sds_remote_device_resume_handler_t)(
- struct scic_sds_remote_device *sci_dev);
-
-typedef enum sci_status (*scic_sds_remote_device_frame_handler_t)(
- struct scic_sds_remote_device *sci_dev,
- u32 frame_index);
-
-typedef enum sci_status (*scic_sds_remote_device_event_handler_t)(
- struct scic_sds_remote_device *sci_dev,
- u32 event_code);
-
-typedef void (*scic_sds_remote_device_ready_not_ready_handler_t)(
- struct scic_sds_remote_device *sci_dev);
-
-/**
- * struct scic_sds_remote_device_state_handler - This structure conains the
- * state handlers that are needed to process requests for the SCU remote
- * device objects.
- *
- *
- */
-struct scic_sds_remote_device_state_handler {
- /**
- * The start_handler specifies the method invoked when a user
- * attempts to start a remote device.
- */
- scic_sds_remote_device_handler_t start_handler;
-
- /**
- * The stop_handler specifies the method invoked when a user attempts to
- * stop a remote device.
- */
- scic_sds_remote_device_handler_t stop_handler;
-
- /**
- * The fail_handler specifies the method invoked when a remote device
- * failure has occurred. A failure may be due to an inability to
- * initialize/configure the device.
- */
- scic_sds_remote_device_handler_t fail_handler;
-
- /**
- * The destruct_handler specifies the method invoked when attempting to
- * destruct a remote device.
- */
- scic_sds_remote_device_handler_t destruct_handler;
-
- /**
- * The reset handler specifies the method invloked when requesting to
- * reset a remote device.
- */
- scic_sds_remote_device_handler_t reset_handler;
-
- /**
- * The reset complete handler specifies the method invloked when
- * reporting that a reset has completed to the remote device.
- */
- scic_sds_remote_device_handler_t reset_complete_handler;
-
- /**
- * The start_io_handler specifies the method invoked when a user
- * attempts to start an IO request for a remote device.
- */
- scic_sds_remote_device_request_handler_t start_io_handler;
-
- /**
- * The complete_io_handler specifies the method invoked when a user
- * attempts to complete an IO request for a remote device.
- */
- scic_sds_remote_device_request_handler_t complete_io_handler;
-
- /**
- * The continue_io_handler specifies the method invoked when a user
- * attempts to continue an IO request for a remote device.
- */
- scic_sds_remote_device_request_handler_t continue_io_handler;
-
- /**
- * The start_task_handler specifies the method invoked when a user
- * attempts to start a task management request for a remote device.
- */
- scic_sds_remote_device_request_handler_t start_task_handler;
-
- /**
- * The complete_task_handler specifies the method invoked when a user
- * attempts to complete a task management request for a remote device.
- */
- scic_sds_remote_device_request_handler_t complete_task_handler;
-
-
- scic_sds_remote_device_suspend_handler_t suspend_handler;
- scic_sds_remote_device_resume_handler_t resume_handler;
- scic_sds_remote_device_event_handler_t event_handler;
- scic_sds_remote_device_frame_handler_t frame_handler;
-};
-
-extern const struct sci_base_state scic_sds_ssp_remote_device_ready_substate_table[];
-extern const struct sci_base_state scic_sds_stp_remote_device_ready_substate_table[];
-extern const struct sci_base_state scic_sds_smp_remote_device_ready_substate_table[];
-
/**
* scic_sds_remote_device_increment_request_count() -
*
#define scic_sds_remote_device_get_controller(sci_dev) \
scic_sds_port_get_controller(scic_sds_remote_device_get_port(sci_dev))
-/**
- * scic_sds_remote_device_set_state_handlers() -
- *
- * This macro sets the remote device state handlers pointer and is set on entry
- * to each device state.
- */
-#define scic_sds_remote_device_set_state_handlers(sci_dev, handlers) \
- ((sci_dev)->state_handlers = (handlers))
-
/**
* scic_sds_remote_device_get_port() -
*
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *io_request);
-enum sci_status scic_sds_remote_device_complete_io(
+enum sci_status scic_sds_remote_device_start_task(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *io_request);
-enum sci_status scic_sds_remote_device_resume(
- struct scic_sds_remote_device *sci_dev);
+enum sci_status scic_sds_remote_device_complete_io(
+ struct scic_sds_controller *controller,
+ struct scic_sds_remote_device *sci_dev,
+ struct scic_sds_request *io_request);
enum sci_status scic_sds_remote_device_suspend(
struct scic_sds_remote_device *sci_dev,
u32 suspend_type);
-enum sci_status scic_sds_remote_device_start_task(
- struct scic_sds_controller *controller,
- struct scic_sds_remote_device *sci_dev,
- struct scic_sds_request *io_request);
-
void scic_sds_remote_device_post_request(
struct scic_sds_remote_device *sci_dev,
u32 request);
-#if !defined(DISABLE_ATAPI)
-bool scic_sds_remote_device_is_atapi(
- struct scic_sds_remote_device *sci_dev);
-#else /* !defined(DISABLE_ATAPI) */
#define scic_sds_remote_device_is_atapi(sci_dev) false
-#endif /* !defined(DISABLE_ATAPI) */
-
-void scic_sds_remote_device_start_request(
- struct scic_sds_remote_device *sci_dev,
- struct scic_sds_request *sci_req,
- enum sci_status status);
-
-void scic_sds_remote_device_continue_request(void *sci_dev);
-
-enum sci_status scic_sds_remote_device_default_start_handler(
- struct scic_sds_remote_device *sci_dev);
-
-enum sci_status scic_sds_remote_device_default_fail_handler(
- struct scic_sds_remote_device *sci_dev);
-
-enum sci_status scic_sds_remote_device_default_destruct_handler(
- struct scic_sds_remote_device *sci_dev);
-
-enum sci_status scic_sds_remote_device_default_reset_handler(
- struct scic_sds_remote_device *device);
-
-enum sci_status scic_sds_remote_device_default_reset_complete_handler(
- struct scic_sds_remote_device *device);
-
-enum sci_status scic_sds_remote_device_default_start_request_handler(
- struct scic_sds_remote_device *device,
- struct scic_sds_request *request);
-
-enum sci_status scic_sds_remote_device_default_complete_request_handler(
- struct scic_sds_remote_device *device,
- struct scic_sds_request *request);
-
-enum sci_status scic_sds_remote_device_default_continue_request_handler(
- struct scic_sds_remote_device *device,
- struct scic_sds_request *request);
-
-enum sci_status scic_sds_remote_device_default_suspend_handler(
- struct scic_sds_remote_device *sci_dev,
- u32 suspend_type);
-
-enum sci_status scic_sds_remote_device_default_resume_handler(
- struct scic_sds_remote_device *sci_dev);
-
-
-enum sci_status scic_sds_remote_device_default_frame_handler(
- struct scic_sds_remote_device *sci_dev,
- u32 frame_index);
-
-enum sci_status scic_sds_remote_device_ready_state_stop_handler(
- struct scic_sds_remote_device *device);
-
-enum sci_status scic_sds_remote_device_ready_state_reset_handler(
- struct scic_sds_remote_device *device);
-
-enum sci_status scic_sds_remote_device_general_frame_handler(
- struct scic_sds_remote_device *sci_dev,
- u32 frame_index);
-
-enum sci_status scic_sds_remote_device_general_event_handler(
- struct scic_sds_remote_device *sci_dev,
- u32 event_code);
-
-enum sci_status scic_sds_ssp_remote_device_ready_suspended_substate_resume_handler(
- struct scic_sds_remote_device *sci_dev);
-
-
#endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */
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