SCI_BASE_PORT_PHY_HANDLER_T remove_phy_handler;
};
-
-/**
- * sci_base_port_construct() - Construct the base port object
- * @this_port: This parameter specifies the base port to be constructed.
- * @state_table: This parameter specifies the table of state definitions to be
- * utilized for the domain state machine.
- *
- */
-void sci_base_port_construct(
- struct sci_base_port *this_port,
- const struct sci_base_state *state_table);
-
#endif /* _SCI_BASE_PORT_H_ */
struct scic_sds_controller *controller,
union scic_user_parameters *user_parameters);
-/**
- * scic_user_parameters_get() - This method allows the user to retrieve the
- * user parameters utilized by the controller.
- * @controller: This parameter specifies the controller on which to set the
- * user parameters.
- * @user_parameters: This parameter specifies the USER_PARAMETERS object into
- * which the framework shall save it's parameters.
- *
- */
-void scic_user_parameters_get(
- struct scic_sds_controller *controller,
- union scic_user_parameters *user_parameters);
-
/**
* scic_oem_parameters_set() - This method allows the user to attempt to change
* the OEM parameters utilized by the controller.
#ifndef _SCIC_CONTROLLER_H_
#define _SCIC_CONTROLLER_H_
-/**
- * This file contains all of the interface methods that can be called by an
- * SCIC user on a controller object.
- *
- *
- */
-
-
#include "sci_status.h"
#include "sci_controller.h"
#include "scic_config_parameters.h"
SCI_MODE_SIZE /* Optimized for memory use */
};
-
-/**
- * scic_controller_construct() - This method will attempt to construct a
- * controller object utilizing the supplied parameter information.
- * @c: This parameter specifies the controller to be constructed.
- * @scu_base: mapped base address of the scu registers
- * @smu_base: mapped base address of the smu registers
- *
- * Indicate if the controller was successfully constructed or if it failed in
- * some way. SCI_SUCCESS This value is returned if the controller was
- * successfully constructed. SCI_WARNING_TIMER_CONFLICT This value is returned
- * if the interrupt coalescence timer may cause SAS compliance issues for SMP
- * Target mode response processing. SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE
- * This value is returned if the controller does not support the supplied type.
- * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
- * controller does not support the supplied initialization data version.
- */
enum sci_status scic_controller_construct(struct scic_sds_controller *c,
void __iomem *scu_base,
void __iomem *smu_base);
-/**
- * scic_controller_enable_interrupts() - This method will enable all controller
- * interrupts.
- * @controller: This parameter specifies the controller for which to enable
- * interrupts.
- *
- */
void scic_controller_enable_interrupts(
struct scic_sds_controller *controller);
-/**
- * scic_controller_disable_interrupts() - This method will disable all
- * controller interrupts.
- * @controller: This parameter specifies the controller for which to disable
- * interrupts.
- *
- */
void scic_controller_disable_interrupts(
struct scic_sds_controller *controller);
-
-/**
- * scic_controller_initialize() - This method will initialize the controller
- * hardware managed by the supplied core controller object. This method
- * will bring the physical controller hardware out of reset and enable the
- * core to determine the capabilities of the hardware being managed. Thus,
- * the core controller can determine it's exact physical (DMA capable)
- * memory requirements.
- * @controller: This parameter specifies the controller to be initialized.
- *
- * The SCI Core user must have called scic_controller_construct() on the
- * supplied controller object previously. Indicate if the controller was
- * successfully initialized or if it failed in some way. SCI_SUCCESS This value
- * is returned if the controller hardware was successfully initialized.
- */
enum sci_status scic_controller_initialize(
struct scic_sds_controller *controller);
-/**
- * scic_controller_get_suggested_start_timeout() - This method returns the
- * suggested scic_controller_start() timeout amount. The user is free to
- * use any timeout value, but this method provides the suggested minimum
- * start timeout value. The returned value is based upon empirical
- * information determined as a result of interoperability testing.
- * @controller: the handle to the controller object for which to return the
- * suggested start timeout.
- *
- * This method returns the number of milliseconds for the suggested start
- * operation timeout.
- */
u32 scic_controller_get_suggested_start_timeout(
struct scic_sds_controller *controller);
-/**
- * scic_controller_start() - This method will start the supplied core
- * controller. This method will start the staggered spin up operation. The
- * SCI User completion callback is called when the following conditions are
- * met: -# the return status of this method is SCI_SUCCESS. -# after all of
- * the phys have successfully started or been given the opportunity to start.
- * @controller: the handle to the controller object to start.
- * @timeout: This parameter specifies the number of milliseconds in which the
- * start operation should complete.
- *
- * The SCI Core user must have filled in the physical memory descriptor
- * structure via the sci_controller_get_memory_descriptor_list() method. The
- * SCI Core user must have invoked the scic_controller_initialize() method
- * prior to invoking this method. The controller must be in the INITIALIZED or
- * STARTED state. Indicate if the controller start method succeeded or failed
- * in some way. SCI_SUCCESS if the start operation succeeded.
- * SCI_WARNING_ALREADY_IN_STATE if the controller is already in the STARTED
- * state. SCI_FAILURE_INVALID_STATE if the controller is not either in the
- * INITIALIZED or STARTED states. SCI_FAILURE_INVALID_MEMORY_DESCRIPTOR if
- * there are inconsistent or invalid values in the supplied
- * struct sci_physical_memory_descriptor array.
- */
enum sci_status scic_controller_start(
struct scic_sds_controller *controller,
u32 timeout);
-/**
- * scic_controller_stop() - This method will stop an individual controller
- * object.This method will invoke the associated user callback upon
- * completion. The completion callback is called when the following
- * conditions are met: -# the method return status is SCI_SUCCESS. -# the
- * controller has been quiesced. This method will ensure that all IO
- * requests are quiesced, phys are stopped, and all additional operation by
- * the hardware is halted.
- * @controller: the handle to the controller object to stop.
- * @timeout: This parameter specifies the number of milliseconds in which the
- * stop operation should complete.
- *
- * The controller must be in the STARTED or STOPPED state. Indicate if the
- * controller stop method succeeded or failed in some way. SCI_SUCCESS if the
- * stop operation successfully began. SCI_WARNING_ALREADY_IN_STATE if the
- * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
- * controller is not either in the STARTED or STOPPED states.
- */
enum sci_status scic_controller_stop(
struct scic_sds_controller *controller,
u32 timeout);
-/**
- * scic_controller_reset() - This method will reset the supplied core
- * controller regardless of the state of said controller. This operation is
- * considered destructive. In other words, all current operations are wiped
- * out. No IO completions for outstanding devices occur. Outstanding IO
- * requests are not aborted or completed at the actual remote device.
- * @controller: the handle to the controller object to reset.
- *
- * Indicate if the controller reset method succeeded or failed in some way.
- * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
- * the controller reset operation is unable to complete.
- */
enum sci_status scic_controller_reset(
struct scic_sds_controller *controller);
-/**
- * scic_controller_start_io() - This method is called by the SCI user to
- * send/start an IO request. If the method invocation is successful, then
- * the IO request has been queued to the hardware for processing.
- * @controller: the handle to the controller object for which to start an IO
- * request.
- * @remote_device: the handle to the remote device object for which to start an
- * IO request.
- * @io_request: the handle to the io request object to start.
- * @io_tag: This parameter specifies a previously allocated IO tag that the
- * user desires to be utilized for this request. This parameter is optional.
- * The user is allowed to supply SCI_CONTROLLER_INVALID_IO_TAG as the value
- * for this parameter.
- *
- * - IO tags are a protected resource. It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner. This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - For SATA, the user is required to manage NCQ tags. As a
- * result, it is expected the user will have set the NCQ tag field in the host
- * to device register FIS prior to calling this method. There is also a
- * requirement for the user to call scic_stp_io_set_ncq_tag() prior to invoking
- * the scic_controller_start_io() method. scic_controller_allocate_tag() for
- * more information on allocating a tag. Indicate if the controller
- * successfully started the IO request. SCI_IO_SUCCESS if the IO request was
- * successfully started. Determine the failure situations and return values.
- */
enum sci_io_status scic_controller_start_io(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *io_request,
u16 io_tag);
-
-/**
- * scic_controller_start_task() - This method is called by the SCIC user to
- * send/start a framework task management request.
- * @controller: the handle to the controller object for which to start the task
- * management request.
- * @remote_device: the handle to the remote device object for which to start
- * the task management request.
- * @task_request: the handle to the task request object to start.
- * @io_tag: This parameter specifies a previously allocated IO tag that the
- * user desires to be utilized for this request. Note this not the io_tag
- * of the request being managed. It is to be utilized for the task request
- * itself. This parameter is optional. The user is allowed to supply
- * SCI_CONTROLLER_INVALID_IO_TAG as the value for this parameter.
- *
- * - IO tags are a protected resource. It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner. This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - The user must synchronize this task with completion
- * queue processing. If they are not synchronized then it is possible for the
- * io requests that are being managed by the task request can complete before
- * starting the task request. scic_controller_allocate_tag() for more
- * information on allocating a tag. Indicate if the controller successfully
- * started the IO request. SCI_TASK_SUCCESS if the task request was
- * successfully started. SCI_TASK_FAILURE_REQUIRES_SCSI_ABORT This value is
- * returned if there is/are task(s) outstanding that require termination or
- * completion before this request can succeed.
- */
enum sci_task_status scic_controller_start_task(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *task_request,
u16 io_tag);
-/**
- * scic_controller_complete_task() - This method will perform core specific
- * completion operations for task management request. After this method is
- * invoked, the user should consider the task request as invalid until it is
- * properly reused (i.e. re-constructed).
- * @controller: The handle to the controller object for which to complete the
- * task management request.
- * @remote_device: The handle to the remote device object for which to complete
- * the task management request.
- * @task_request: the handle to the task management request object to complete.
- *
- * Indicate if the controller successfully completed the task management
- * request. SCI_SUCCESS if the completion process was successful.
- */
enum sci_status scic_controller_complete_task(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *task_request);
-
-/**
- * scic_controller_terminate_request() - This method is called by the SCI Core
- * user to terminate an ongoing (i.e. started) core IO request. This does
- * not abort the IO request at the target, but rather removes the IO request
- * from the host controller.
- * @controller: the handle to the controller object for which to terminate a
- * request.
- * @remote_device: the handle to the remote device object for which to
- * terminate a request.
- * @request: the handle to the io or task management request object to
- * terminate.
- *
- * Indicate if the controller successfully began the terminate process for the
- * IO request. SCI_SUCCESS if the terminate process was successfully started
- * for the request. Determine the failure situations and return values.
- */
enum sci_status scic_controller_terminate_request(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *request);
-/**
- * scic_controller_complete_io() - This method will perform core specific
- * completion operations for an IO request. After this method is invoked,
- * the user should consider the IO request as invalid until it is properly
- * reused (i.e. re-constructed).
- * @controller: The handle to the controller object for which to complete the
- * IO request.
- * @remote_device: The handle to the remote device object for which to complete
- * the IO request.
- * @io_request: the handle to the io request object to complete.
- *
- * - IO tags are a protected resource. It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner. This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
- * Core user, using the scic_controller_allocate_io_tag() method, then it is
- * the responsibility of the caller to invoke the scic_controller_free_io_tag()
- * method to free the tag (i.e. this method will not free the IO tag). Indicate
- * if the controller successfully completed the IO request. SCI_SUCCESS if the
- * completion process was successful.
- */
enum sci_status scic_controller_complete_io(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *io_request);
-
-/**
- * scic_controller_get_port_handle() - This method simply provides the user
- * with a unique handle for a given SAS/SATA core port index.
- * @controller: This parameter represents the handle to the controller object
- * from which to retrieve a port (SAS or SATA) handle.
- * @port_index: This parameter specifies the port index in the controller for
- * which to retrieve the port handle. 0 <= port_index < maximum number of
- * phys.
- * @port_handle: This parameter specifies the retrieved port handle to be
- * provided to the caller.
- *
- * Indicate if the retrieval of the port handle was successful. SCI_SUCCESS
- * This value is returned if the retrieval was successful.
- * SCI_FAILURE_INVALID_PORT This value is returned if the supplied port id is
- * not in the supported range.
- */
enum sci_status scic_controller_get_port_handle(
struct scic_sds_controller *controller,
u8 port_index,
struct scic_sds_port **port_handle);
-/**
- * scic_controller_get_phy_handle() - This method simply provides the user with
- * a unique handle for a given SAS/SATA phy index/identifier.
- * @controller: This parameter represents the handle to the controller object
- * from which to retrieve a phy (SAS or SATA) handle.
- * @phy_index: This parameter specifies the phy index in the controller for
- * which to retrieve the phy handle. 0 <= phy_index < maximum number of phys.
- * @phy_handle: This parameter specifies the retrieved phy handle to be
- * provided to the caller.
- *
- * Indicate if the retrieval of the phy handle was successful. SCI_SUCCESS This
- * value is returned if the retrieval was successful. SCI_FAILURE_INVALID_PHY
- * This value is returned if the supplied phy id is not in the supported range.
- */
enum sci_status scic_controller_get_phy_handle(
struct scic_sds_controller *controller,
u8 phy_index,
struct scic_sds_phy **phy_handle);
-/**
- * scic_controller_allocate_io_tag() - This method will allocate a tag from the
- * pool of free IO tags. Direct allocation of IO tags by the SCI Core user
- * is optional. The scic_controller_start_io() method will allocate an IO
- * tag if this method is not utilized and the tag is not supplied to the IO
- * construct routine. Direct allocation of IO tags may provide additional
- * performance improvements in environments capable of supporting this usage
- * model. Additionally, direct allocation of IO tags also provides
- * additional flexibility to the SCI Core user. Specifically, the user may
- * retain IO tags across the lives of multiple IO requests.
- * @controller: the handle to the controller object for which to allocate the
- * tag.
- *
- * IO tags are a protected resource. It is incumbent upon the SCI Core user to
- * ensure that each of the methods that may allocate or free available IO tags
- * are handled in a mutually exclusive manner. This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). An unsigned integer representing an available IO tag.
- * SCI_CONTROLLER_INVALID_IO_TAG This value is returned if there are no
- * currently available tags to be allocated. All return other values indicate a
- * legitimate tag.
- */
u16 scic_controller_allocate_io_tag(
struct scic_sds_controller *controller);
-/**
- * scic_controller_free_io_tag() - This method will free an IO tag to the pool
- * of free IO tags. This method provides the SCI Core user more flexibility
- * with regards to IO tags. The user may desire to keep an IO tag after an
- * IO request has completed, because they plan on re-using the tag for a
- * subsequent IO request. This method is only legal if the tag was
- * allocated via scic_controller_allocate_io_tag().
- * @controller: This parameter specifies the handle to the controller object
- * for which to free/return the tag.
- * @io_tag: This parameter represents the tag to be freed to the pool of
- * available tags.
- *
- * - IO tags are a protected resource. It is incumbent upon the SCI Core user
- * to ensure that each of the methods that may allocate or free available IO
- * tags are handled in a mutually exclusive manner. This method is one of said
- * methods requiring proper critical code section protection (e.g. semaphore,
- * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
- * Core user, using the scic_controller_allocate_io_tag() method, then it is
- * the responsibility of the caller to invoke this method to free the tag. This
- * method returns an indication of whether the tag was successfully put back
- * (freed) to the pool of available tags. SCI_SUCCESS This return value
- * indicates the tag was successfully placed into the pool of available IO
- * tags. SCI_FAILURE_INVALID_IO_TAG This value is returned if the supplied tag
- * is not a valid IO tag value.
- */
enum sci_status scic_controller_free_io_tag(
struct scic_sds_controller *controller,
u16 io_tag);
-
-
-
-/**
- * scic_controller_set_mode() - This method allows the user to configure the
- * SCI core into either a performance mode or a memory savings mode.
- * @controller: This parameter represents the handle to the controller object
- * for which to update the operating mode.
- * @mode: This parameter specifies the new mode for the controller.
- *
- * Indicate if the user successfully change the operating mode of the
- * controller. SCI_SUCCESS The user successfully updated the mode.
- */
-enum sci_status scic_controller_set_mode(
- struct scic_sds_controller *controller,
- enum sci_controller_mode mode);
-
-
-/**
- * scic_controller_set_interrupt_coalescence() - This method allows the user to
- * configure the interrupt coalescence.
- * @controller: This parameter represents the handle to the controller object
- * for which its interrupt coalesce register is overridden.
- * @coalesce_number: Used to control the number of entries in the Completion
- * Queue before an interrupt is generated. If the number of entries exceed
- * this number, an interrupt will be generated. The valid range of the input
- * is [0, 256]. A setting of 0 results in coalescing being disabled.
- * @coalesce_timeout: Timeout value in microseconds. The valid range of the
- * input is [0, 2700000] . A setting of 0 is allowed and results in no
- * interrupt coalescing timeout.
- *
- * Indicate if the user successfully set the interrupt coalesce parameters.
- * SCI_SUCCESS The user successfully updated the interrutp coalescence.
- * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
- */
-enum sci_status scic_controller_set_interrupt_coalescence(
- struct scic_sds_controller *controller,
- u32 coalesce_number,
- u32 coalesce_timeout);
-
struct device;
struct scic_sds_controller *scic_controller_alloc(struct device *dev);
-
-
#endif /* _SCIC_CONTROLLER_H_ */
-
struct scic_sds_remote_device *scic_remote_device,
u16 io_tag,
void *user_io_request_object,
- void *scic_io_request_memory,
+ struct scic_sds_request *scic_io_request_memory,
struct scic_sds_request **new_scic_io_request_handle);
/**
#ifndef _SCIC_PORT_H_
#define _SCIC_PORT_H_
-/**
- * This file contains all of the interface methods that can be called by an SCI
- * Core user on a SAS or SATA port.
- *
- *
- */
-
-
#include "sci_status.h"
#include "intel_sas.h"
SCIC_PORT_NOT_READY_REASON_CODE_MAX
};
-/**
- * struct scic_port_end_point_properties - This structure defines the
- * properties that can be retrieved for each end-point local or remote
- * (attached) port in the controller.
- *
- *
- */
struct scic_port_end_point_properties {
- /**
- * This field indicates the SAS address for the associated end
- * point in the port.
- */
struct sci_sas_address sas_address;
-
- /**
- * This field indicates the protocols supported by the associated
- * end-point in the port.
- */
struct sci_sas_identify_address_frame_protocols protocols;
};
-/**
- * struct scic_port_properties - This structure defines the properties that can
- * be retrieved for each port in the controller.
- *
- *
- */
struct scic_port_properties {
- /**
- * This field specifies the logical index of the port (0 relative).
- */
u32 index;
-
- /**
- * This field indicates the local end-point properties for port.
- */
struct scic_port_end_point_properties local;
-
- /**
- * This field indicates the remote (attached) end-point properties
- * for the port.
- */
struct scic_port_end_point_properties remote;
-
- /**
- * This field specifies the phys contained inside the port.
- */
u32 phy_mask;
-
};
-/**
- * scic_port_get_properties() - This method simply returns the properties
- * regarding the port, such as: physical index, protocols, sas address, etc.
- * @port: this parameter specifies the port for which to retrieve the physical
- * index.
- * @properties: This parameter specifies the properties structure into which to
- * copy the requested information.
- *
- * Indicate if the user specified a valid port. SCI_SUCCESS This value is
- * returned if the specified port was valid. SCI_FAILURE_INVALID_PORT This
- * value is returned if the specified port is not valid. When this value is
- * returned, no data is copied to the properties output parameter.
- */
enum sci_status scic_port_get_properties(
struct scic_sds_port *port,
struct scic_port_properties *properties);
-/**
- * scic_port_stop() - This method will make the port no longer ready for
- * operation. After invoking this method IO operation is not possible.
- * @port: This parameter specifies the port to be stopped.
- *
- * Indicate if the port was successfully stopped. SCI_SUCCESS This value is
- * returned if the port was successfully stopped. SCI_WARNING_ALREADY_IN_STATE
- * This value is returned if the port is already stopped or in the process of
- * stopping. SCI_FAILURE_INVALID_PORT This value is returned if the supplied
- * port is not valid. SCI_FAILURE_INVALID_STATE This value is returned if a
- * stop operation can't be completed due to the state of port.
- */
-enum sci_status scic_port_stop(
- struct scic_sds_port *port);
-
-/**
- * scic_port_hard_reset() - This method will request the SCI implementation to
- * perform a HARD RESET on the SAS Port. If/When the HARD RESET completes
- * the SCI user will be notified via an SCI OS callback indicating a direct
- * attached device was found.
- * @port: a handle corresponding to the SAS port to be hard reset.
- * @reset_timeout: This parameter specifies the number of milliseconds in which
- * the port reset operation should complete.
- *
- * The SCI User callback in SCIC_USER_CALLBACKS_T will only be called once for
- * each phy in the SAS Port at completion of the hard reset sequence. Return a
- * status indicating whether the hard reset started successfully. SCI_SUCCESS
- * This value is returned if the hard reset operation started successfully.
- */
enum sci_status scic_port_hard_reset(
struct scic_sds_port *port,
u32 reset_timeout);
-/**
- * scic_port_enable_broadcast_change_notification() - This API method enables
- * the broadcast change notification from underneath hardware.
- * @port: The port upon which broadcast change notifications (BCN) are to be
- * enabled.
- *
- */
void scic_port_enable_broadcast_change_notification(
struct scic_sds_port *port);
-
#endif /* _SCIC_PORT_H_ */
-
return &scic->parent.mdl;
}
-/*
- * ****************************************************************************-
- * * SCIC SDS Controller Initialization Methods
- * ****************************************************************************- */
-
-/**
- * This timer is used to start another phy after we have given up on the
- * previous phy to transition to the ready state.
- *
- *
- */
-static void scic_sds_controller_phy_startup_timeout_handler(
- void *controller)
-{
- enum sci_status status;
- struct scic_sds_controller *this_controller;
-
- this_controller = (struct scic_sds_controller *)controller;
-
- this_controller->phy_startup_timer_pending = false;
-
- status = SCI_FAILURE;
-
- while (status != SCI_SUCCESS) {
- status = scic_sds_controller_start_next_phy(this_controller);
- }
-}
-
-/**
- *
- *
- * This method initializes the phy startup operations for controller start.
- */
-enum sci_status scic_sds_controller_initialize_phy_startup(
- struct scic_sds_controller *scic)
+static void scic_sds_controller_initialize_power_control(struct scic_sds_controller *scic)
{
struct isci_host *ihost = sci_object_get_association(scic);
+ scic->power_control.timer = isci_timer_create(ihost,
+ scic,
+ scic_sds_controller_power_control_timer_handler);
- scic->phy_startup_timer = isci_timer_create(ihost,
- scic,
- scic_sds_controller_phy_startup_timeout_handler);
-
- if (scic->phy_startup_timer == NULL)
- return SCI_FAILURE_INSUFFICIENT_RESOURCES;
- else {
- scic->next_phy_to_start = 0;
- scic->phy_startup_timer_pending = false;
- }
-
- return SCI_SUCCESS;
-}
-
-/**
- *
- *
- * This method initializes the power control operations for the controller
- * object.
- */
-void scic_sds_controller_initialize_power_control(
- struct scic_sds_controller *scic)
-{
- struct isci_host *ihost = sci_object_get_association(scic);
- scic->power_control.timer = isci_timer_create(
- ihost,
- scic,
- scic_sds_controller_power_control_timer_handler);
-
- memset(scic->power_control.requesters,
- 0,
+ memset(scic->power_control.requesters, 0,
sizeof(scic->power_control.requesters));
scic->power_control.phys_waiting = 0;
scic->power_control.phys_granted_power = 0;
}
-/* --------------------------------------------------------------------------- */
-
#define SCU_REMOTE_NODE_CONTEXT_ALIGNMENT (32)
#define SCU_TASK_CONTEXT_ALIGNMENT (256)
#define SCU_UNSOLICITED_FRAME_ADDRESS_ALIGNMENT (64)
#define SCU_UNSOLICITED_FRAME_BUFFER_ALIGNMENT (1024)
#define SCU_UNSOLICITED_FRAME_HEADER_ALIGNMENT (64)
-/* --------------------------------------------------------------------------- */
-
/**
* This method builds the memory descriptor table for this controller.
* @this_controller: This parameter specifies the controller object for which
* to build the memory table.
*
*/
-void scic_sds_controller_build_memory_descriptor_table(
+static void scic_sds_controller_build_memory_descriptor_table(
struct scic_sds_controller *this_controller)
{
sci_base_mde_construct(
*
* enum sci_status
*/
-enum sci_status scic_sds_controller_validate_memory_descriptor_table(
+static enum sci_status scic_sds_controller_validate_memory_descriptor_table(
struct scic_sds_controller *this_controller)
{
bool mde_list_valid;
* @this_controller:
*
*/
-void scic_sds_controller_ram_initialization(
+static void scic_sds_controller_ram_initialization(
struct scic_sds_controller *this_controller)
{
struct sci_physical_memory_descriptor *mde;
* @this_controller:
*
*/
-void scic_sds_controller_assign_task_entries(
+static void scic_sds_controller_assign_task_entries(
struct scic_sds_controller *this_controller)
{
u32 task_assignment;
*
*
*/
-void scic_sds_controller_initialize_completion_queue(
+static void scic_sds_controller_initialize_completion_queue(
struct scic_sds_controller *this_controller)
{
u32 index;
*
*
*/
-void scic_sds_controller_initialize_unsolicited_frame_queue(
+static void scic_sds_controller_initialize_unsolicited_frame_queue(
struct scic_sds_controller *this_controller)
{
u32 frame_queue_control_value;
*
*
*/
-void scic_sds_controller_enable_port_task_scheduler(
+static void scic_sds_controller_enable_port_task_scheduler(
struct scic_sds_controller *this_controller)
{
u32 port_task_scheduler_value;
SCU_PTSGCR_WRITE(this_controller, port_task_scheduler_value);
}
-/* --------------------------------------------------------------------------- */
-
/**
*
*
/* Initialize the AFE for this phy index. We need to read the AFE setup from
* the OEM parameters none
*/
-void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
+static void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
{
const struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
u32 afe_status;
}
}
-void scic_sds_controller_timeout_handler(void *_scic)
+static void scic_sds_controller_timeout_handler(void *_scic)
{
struct scic_sds_controller *scic = _scic;
struct isci_host *ihost = sci_object_get_association(scic);
__func__);
}
-enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
{
u32 index;
enum sci_status port_status;
scic->phy_startup_timer_pending = true;
}
-inline void scic_sds_controller_phy_timer_stop(
- struct scic_sds_controller *scic)
+static void scic_sds_controller_phy_timer_stop(struct scic_sds_controller *scic)
{
isci_timer_stop(scic->phy_startup_timer);
}
/**
- * This method is called internally by the controller object to start the next
- * phy on the controller. If all the phys have been started, then this
- * method will attempt to transition the controller to the READY state and
- * inform the user (scic_cb_controller_start_complete()).
- * @this_controller: This parameter specifies the controller object for which
- * to start the next phy.
+ * scic_sds_controller_start_next_phy - start phy
+ * @scic: controller
*
- * enum sci_status
+ * If all the phys have been started, then attempt to transition the
+ * controller to the READY state and inform the user
+ * (scic_cb_controller_start_complete()).
*/
-enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
{
struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
struct scic_sds_phy *sci_phy;
return status;
}
-/**
- *
- * @this_controller:
- *
- * enum sci_status
- */
-enum sci_status scic_sds_controller_stop_phys(
- struct scic_sds_controller *this_controller)
+static void scic_sds_controller_phy_startup_timeout_handler(void *_scic)
+{
+ struct scic_sds_controller *scic = _scic;
+ enum sci_status status;
+
+ scic->phy_startup_timer_pending = false;
+ status = SCI_FAILURE;
+ while (status != SCI_SUCCESS)
+ status = scic_sds_controller_start_next_phy(scic);
+}
+
+static enum sci_status scic_sds_controller_initialize_phy_startup(struct scic_sds_controller *scic)
+{
+ struct isci_host *ihost = sci_object_get_association(scic);
+
+ scic->phy_startup_timer = isci_timer_create(ihost,
+ scic,
+ scic_sds_controller_phy_startup_timeout_handler);
+
+ if (scic->phy_startup_timer == NULL)
+ return SCI_FAILURE_INSUFFICIENT_RESOURCES;
+ else {
+ scic->next_phy_to_start = 0;
+ scic->phy_startup_timer_pending = false;
+ }
+
+ return SCI_SUCCESS;
+}
+
+static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller *scic)
{
u32 index;
enum sci_status status;
status = SCI_SUCCESS;
for (index = 0; index < SCI_MAX_PHYS; index++) {
- phy_status = scic_sds_phy_stop(&this_controller->phy_table[index]);
+ phy_status = scic_sds_phy_stop(&scic->phy_table[index]);
if (
(phy_status != SCI_SUCCESS)
) {
status = SCI_FAILURE;
- dev_warn(scic_to_dev(this_controller),
+ dev_warn(scic_to_dev(scic),
"%s: Controller stop operation failed to stop "
"phy %d because of status %d.\n",
__func__,
- this_controller->phy_table[index].phy_index, phy_status);
+ scic->phy_table[index].phy_index, phy_status);
}
}
return status;
}
-/**
- *
- * @this_controller:
- *
- * enum sci_status
- */
-enum sci_status scic_sds_controller_stop_devices(
- struct scic_sds_controller *this_controller)
+static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controller *scic)
{
u32 index;
enum sci_status status;
status = SCI_SUCCESS;
- for (index = 0; index < this_controller->remote_node_entries; index++) {
- if (this_controller->device_table[index] != NULL) {
+ for (index = 0; index < scic->remote_node_entries; index++) {
+ if (scic->device_table[index] != NULL) {
/* / @todo What timeout value do we want to provide to this request? */
- device_status = scic_remote_device_stop(this_controller->device_table[index], 0);
+ device_status = scic_remote_device_stop(scic->device_table[index], 0);
if ((device_status != SCI_SUCCESS) &&
(device_status != SCI_FAILURE_INVALID_STATE)) {
- dev_warn(scic_to_dev(this_controller),
+ dev_warn(scic_to_dev(scic),
"%s: Controller stop operation failed "
"to stop device 0x%p because of "
"status %d.\n",
__func__,
- this_controller->device_table[index], device_status);
+ scic->device_table[index], device_status);
}
}
}
return status;
}
-/*
- * ****************************************************************************-
- * * SCIC SDS Controller Power Control (Staggered Spinup)
- * ****************************************************************************- */
-
-/**
- * This function starts the power control timer for this controller object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_start(
- struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_start(struct scic_sds_controller *scic)
{
isci_timer_start(scic->power_control.timer,
SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
scic->power_control.timer_started = true;
}
-/**
- * This method stops the power control timer for this controller object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_stop(
- struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_stop(struct scic_sds_controller *scic)
{
if (scic->power_control.timer_started) {
isci_timer_stop(scic->power_control.timer);
}
}
-/**
- * This method stops and starts the power control timer for this controller
- * object.
- *
- * @param scic
- */
-static inline void scic_sds_controller_power_control_timer_restart(
- struct scic_sds_controller *scic)
+static void scic_sds_controller_power_control_timer_restart(struct scic_sds_controller *scic)
{
scic_sds_controller_power_control_timer_stop(scic);
scic_sds_controller_power_control_timer_start(scic);
}
-/**
- *
- *
- *
- */
static void scic_sds_controller_power_control_timer_handler(
void *controller)
{
return false;
}
-/* --------------------------------------------------------------------------- */
-
/**
* This method processes a task completion notification. This is called from
* within the controller completion handler.
}
-u32 scic_sds_controller_get_object_size(void)
-{
- return sizeof(struct scic_sds_controller);
-}
void scic_sds_controller_link_up(
* controller are still in the stopping state.
*
*/
-bool scic_sds_controller_has_remote_devices_stopping(
+static bool scic_sds_controller_has_remote_devices_stopping(
struct scic_sds_controller *this_controller)
{
u32 index;
scic->user_parameters.sds1.no_outbound_task_timeout = 20;
}
-
-enum sci_status scic_controller_construct(struct scic_sds_controller *controller,
- void __iomem *scu_base,
- void __iomem *smu_base)
-{
- u8 index;
-
- sci_base_controller_construct(
- &controller->parent,
- scic_sds_controller_state_table,
- controller->memory_descriptors,
- ARRAY_SIZE(controller->memory_descriptors),
- NULL
- );
-
- controller->scu_registers = scu_base;
- controller->smu_registers = smu_base;
-
- scic_sds_port_configuration_agent_construct(&controller->port_agent);
-
- /* Construct the ports for this controller */
- for (index = 0; index < SCI_MAX_PORTS; index++)
- scic_sds_port_construct(&controller->port_table[index],
- index, controller);
- scic_sds_port_construct(&controller->port_table[index],
- SCIC_SDS_DUMMY_PORT, controller);
-
- /* Construct the phys for this controller */
- for (index = 0; index < SCI_MAX_PHYS; index++) {
- /* Add all the PHYs to the dummy port */
- scic_sds_phy_construct(
- &controller->phy_table[index],
- &controller->port_table[SCI_MAX_PORTS],
- index
- );
- }
-
- controller->invalid_phy_mask = 0;
-
- /* Set the default maximum values */
- controller->completion_event_entries = SCU_EVENT_COUNT;
- controller->completion_queue_entries = SCU_COMPLETION_QUEUE_COUNT;
- controller->remote_node_entries = SCI_MAX_REMOTE_DEVICES;
- controller->logical_port_entries = SCI_MAX_PORTS;
- controller->task_context_entries = SCU_IO_REQUEST_COUNT;
- controller->uf_control.buffers.count = SCU_UNSOLICITED_FRAME_COUNT;
- controller->uf_control.address_table.count = SCU_UNSOLICITED_FRAME_COUNT;
-
- /* Initialize the User and OEM parameters to default values. */
- scic_sds_controller_set_default_config_parameters(controller);
-
- return scic_controller_reset(controller);
-}
-
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_initialize() - This method will initialize the controller
+ * hardware managed by the supplied core controller object. This method
+ * will bring the physical controller hardware out of reset and enable the
+ * core to determine the capabilities of the hardware being managed. Thus,
+ * the core controller can determine it's exact physical (DMA capable)
+ * memory requirements.
+ * @controller: This parameter specifies the controller to be initialized.
+ *
+ * The SCI Core user must have called scic_controller_construct() on the
+ * supplied controller object previously. Indicate if the controller was
+ * successfully initialized or if it failed in some way. SCI_SUCCESS This value
+ * is returned if the controller hardware was successfully initialized.
+ */
enum sci_status scic_controller_initialize(
struct scic_sds_controller *scic)
{
return status;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_suggested_start_timeout() - This method returns the
+ * suggested scic_controller_start() timeout amount. The user is free to
+ * use any timeout value, but this method provides the suggested minimum
+ * start timeout value. The returned value is based upon empirical
+ * information determined as a result of interoperability testing.
+ * @controller: the handle to the controller object for which to return the
+ * suggested start timeout.
+ *
+ * This method returns the number of milliseconds for the suggested start
+ * operation timeout.
+ */
u32 scic_controller_get_suggested_start_timeout(
struct scic_sds_controller *sc)
{
+ ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_start() - This method will start the supplied core
+ * controller. This method will start the staggered spin up operation. The
+ * SCI User completion callback is called when the following conditions are
+ * met: -# the return status of this method is SCI_SUCCESS. -# after all of
+ * the phys have successfully started or been given the opportunity to start.
+ * @controller: the handle to the controller object to start.
+ * @timeout: This parameter specifies the number of milliseconds in which the
+ * start operation should complete.
+ *
+ * The SCI Core user must have filled in the physical memory descriptor
+ * structure via the sci_controller_get_memory_descriptor_list() method. The
+ * SCI Core user must have invoked the scic_controller_initialize() method
+ * prior to invoking this method. The controller must be in the INITIALIZED or
+ * STARTED state. Indicate if the controller start method succeeded or failed
+ * in some way. SCI_SUCCESS if the start operation succeeded.
+ * SCI_WARNING_ALREADY_IN_STATE if the controller is already in the STARTED
+ * state. SCI_FAILURE_INVALID_STATE if the controller is not either in the
+ * INITIALIZED or STARTED states. SCI_FAILURE_INVALID_MEMORY_DESCRIPTOR if
+ * there are inconsistent or invalid values in the supplied
+ * struct sci_physical_memory_descriptor array.
+ */
enum sci_status scic_controller_start(
struct scic_sds_controller *scic,
u32 timeout)
return status;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_stop() - This method will stop an individual controller
+ * object.This method will invoke the associated user callback upon
+ * completion. The completion callback is called when the following
+ * conditions are met: -# the method return status is SCI_SUCCESS. -# the
+ * controller has been quiesced. This method will ensure that all IO
+ * requests are quiesced, phys are stopped, and all additional operation by
+ * the hardware is halted.
+ * @controller: the handle to the controller object to stop.
+ * @timeout: This parameter specifies the number of milliseconds in which the
+ * stop operation should complete.
+ *
+ * The controller must be in the STARTED or STOPPED state. Indicate if the
+ * controller stop method succeeded or failed in some way. SCI_SUCCESS if the
+ * stop operation successfully began. SCI_WARNING_ALREADY_IN_STATE if the
+ * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
+ * controller is not either in the STARTED or STOPPED states.
+ */
enum sci_status scic_controller_stop(
struct scic_sds_controller *scic,
u32 timeout)
return status;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_reset() - This method will reset the supplied core
+ * controller regardless of the state of said controller. This operation is
+ * considered destructive. In other words, all current operations are wiped
+ * out. No IO completions for outstanding devices occur. Outstanding IO
+ * requests are not aborted or completed at the actual remote device.
+ * @controller: the handle to the controller object to reset.
+ *
+ * Indicate if the controller reset method succeeded or failed in some way.
+ * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
+ * the controller reset operation is unable to complete.
+ */
enum sci_status scic_controller_reset(
struct scic_sds_controller *scic)
{
return status;
}
+/**
+ * scic_controller_start_io() - This method is called by the SCI user to
+ * send/start an IO request. If the method invocation is successful, then
+ * the IO request has been queued to the hardware for processing.
+ * @controller: the handle to the controller object for which to start an IO
+ * request.
+ * @remote_device: the handle to the remote device object for which to start an
+ * IO request.
+ * @io_request: the handle to the io request object to start.
+ * @io_tag: This parameter specifies a previously allocated IO tag that the
+ * user desires to be utilized for this request. This parameter is optional.
+ * The user is allowed to supply SCI_CONTROLLER_INVALID_IO_TAG as the value
+ * for this parameter.
+ *
+ * - IO tags are a protected resource. It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner. This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - For SATA, the user is required to manage NCQ tags. As a
+ * result, it is expected the user will have set the NCQ tag field in the host
+ * to device register FIS prior to calling this method. There is also a
+ * requirement for the user to call scic_stp_io_set_ncq_tag() prior to invoking
+ * the scic_controller_start_io() method. scic_controller_allocate_tag() for
+ * more information on allocating a tag. Indicate if the controller
+ * successfully started the IO request. SCI_IO_SUCCESS if the IO request was
+ * successfully started. Determine the failure situations and return values.
+ */
enum sci_io_status scic_controller_start_io(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
(struct sci_base_request *)io_request, io_tag);
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_terminate_request() - This method is called by the SCI Core
+ * user to terminate an ongoing (i.e. started) core IO request. This does
+ * not abort the IO request at the target, but rather removes the IO request
+ * from the host controller.
+ * @controller: the handle to the controller object for which to terminate a
+ * request.
+ * @remote_device: the handle to the remote device object for which to
+ * terminate a request.
+ * @request: the handle to the io or task management request object to
+ * terminate.
+ *
+ * Indicate if the controller successfully began the terminate process for the
+ * IO request. SCI_SUCCESS if the terminate process was successfully started
+ * for the request. Determine the failure situations and return values.
+ */
enum sci_status scic_controller_terminate_request(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
(struct sci_base_request *)request);
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_complete_io() - This method will perform core specific
+ * completion operations for an IO request. After this method is invoked,
+ * the user should consider the IO request as invalid until it is properly
+ * reused (i.e. re-constructed).
+ * @controller: The handle to the controller object for which to complete the
+ * IO request.
+ * @remote_device: The handle to the remote device object for which to complete
+ * the IO request.
+ * @io_request: the handle to the io request object to complete.
+ *
+ * - IO tags are a protected resource. It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner. This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
+ * Core user, using the scic_controller_allocate_io_tag() method, then it is
+ * the responsibility of the caller to invoke the scic_controller_free_io_tag()
+ * method to free the tag (i.e. this method will not free the IO tag). Indicate
+ * if the controller successfully completed the IO request. SCI_SUCCESS if the
+ * completion process was successful.
+ */
enum sci_status scic_controller_complete_io(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
(struct sci_base_request *)io_request);
}
-/* --------------------------------------------------------------------------- */
-
-
+/**
+ * scic_controller_start_task() - This method is called by the SCIC user to
+ * send/start a framework task management request.
+ * @controller: the handle to the controller object for which to start the task
+ * management request.
+ * @remote_device: the handle to the remote device object for which to start
+ * the task management request.
+ * @task_request: the handle to the task request object to start.
+ * @io_tag: This parameter specifies a previously allocated IO tag that the
+ * user desires to be utilized for this request. Note this not the io_tag
+ * of the request being managed. It is to be utilized for the task request
+ * itself. This parameter is optional. The user is allowed to supply
+ * SCI_CONTROLLER_INVALID_IO_TAG as the value for this parameter.
+ *
+ * - IO tags are a protected resource. It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner. This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - The user must synchronize this task with completion
+ * queue processing. If they are not synchronized then it is possible for the
+ * io requests that are being managed by the task request can complete before
+ * starting the task request. scic_controller_allocate_tag() for more
+ * information on allocating a tag. Indicate if the controller successfully
+ * started the IO request. SCI_TASK_SUCCESS if the task request was
+ * successfully started. SCI_TASK_FAILURE_REQUIRES_SCSI_ABORT This value is
+ * returned if there is/are task(s) outstanding that require termination or
+ * completion before this request can succeed.
+ */
enum sci_task_status scic_controller_start_task(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
return status;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_complete_task() - This method will perform core specific
+ * completion operations for task management request. After this method is
+ * invoked, the user should consider the task request as invalid until it is
+ * properly reused (i.e. re-constructed).
+ * @controller: The handle to the controller object for which to complete the
+ * task management request.
+ * @remote_device: The handle to the remote device object for which to complete
+ * the task management request.
+ * @task_request: the handle to the task management request object to complete.
+ *
+ * Indicate if the controller successfully completed the task management
+ * request. SCI_SUCCESS if the completion process was successful.
+ */
enum sci_status scic_controller_complete_task(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_port_handle() - This method simply provides the user
+ * with a unique handle for a given SAS/SATA core port index.
+ * @controller: This parameter represents the handle to the controller object
+ * from which to retrieve a port (SAS or SATA) handle.
+ * @port_index: This parameter specifies the port index in the controller for
+ * which to retrieve the port handle. 0 <= port_index < maximum number of
+ * phys.
+ * @port_handle: This parameter specifies the retrieved port handle to be
+ * provided to the caller.
+ *
+ * Indicate if the retrieval of the port handle was successful. SCI_SUCCESS
+ * This value is returned if the retrieval was successful.
+ * SCI_FAILURE_INVALID_PORT This value is returned if the supplied port id is
+ * not in the supported range.
+ */
enum sci_status scic_controller_get_port_handle(
struct scic_sds_controller *scic,
u8 port_index,
return SCI_FAILURE_INVALID_PORT;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_get_phy_handle() - This method simply provides the user with
+ * a unique handle for a given SAS/SATA phy index/identifier.
+ * @controller: This parameter represents the handle to the controller object
+ * from which to retrieve a phy (SAS or SATA) handle.
+ * @phy_index: This parameter specifies the phy index in the controller for
+ * which to retrieve the phy handle. 0 <= phy_index < maximum number of phys.
+ * @phy_handle: This parameter specifies the retrieved phy handle to be
+ * provided to the caller.
+ *
+ * Indicate if the retrieval of the phy handle was successful. SCI_SUCCESS This
+ * value is returned if the retrieval was successful. SCI_FAILURE_INVALID_PHY
+ * This value is returned if the supplied phy id is not in the supported range.
+ */
enum sci_status scic_controller_get_phy_handle(
struct scic_sds_controller *scic,
u8 phy_index,
return SCI_FAILURE_INVALID_PHY;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_allocate_io_tag() - This method will allocate a tag from the
+ * pool of free IO tags. Direct allocation of IO tags by the SCI Core user
+ * is optional. The scic_controller_start_io() method will allocate an IO
+ * tag if this method is not utilized and the tag is not supplied to the IO
+ * construct routine. Direct allocation of IO tags may provide additional
+ * performance improvements in environments capable of supporting this usage
+ * model. Additionally, direct allocation of IO tags also provides
+ * additional flexibility to the SCI Core user. Specifically, the user may
+ * retain IO tags across the lives of multiple IO requests.
+ * @controller: the handle to the controller object for which to allocate the
+ * tag.
+ *
+ * IO tags are a protected resource. It is incumbent upon the SCI Core user to
+ * ensure that each of the methods that may allocate or free available IO tags
+ * are handled in a mutually exclusive manner. This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). An unsigned integer representing an available IO tag.
+ * SCI_CONTROLLER_INVALID_IO_TAG This value is returned if there are no
+ * currently available tags to be allocated. All return other values indicate a
+ * legitimate tag.
+ */
u16 scic_controller_allocate_io_tag(
struct scic_sds_controller *scic)
{
return SCI_CONTROLLER_INVALID_IO_TAG;
}
-/* --------------------------------------------------------------------------- */
-
+/**
+ * scic_controller_free_io_tag() - This method will free an IO tag to the pool
+ * of free IO tags. This method provides the SCI Core user more flexibility
+ * with regards to IO tags. The user may desire to keep an IO tag after an
+ * IO request has completed, because they plan on re-using the tag for a
+ * subsequent IO request. This method is only legal if the tag was
+ * allocated via scic_controller_allocate_io_tag().
+ * @controller: This parameter specifies the handle to the controller object
+ * for which to free/return the tag.
+ * @io_tag: This parameter represents the tag to be freed to the pool of
+ * available tags.
+ *
+ * - IO tags are a protected resource. It is incumbent upon the SCI Core user
+ * to ensure that each of the methods that may allocate or free available IO
+ * tags are handled in a mutually exclusive manner. This method is one of said
+ * methods requiring proper critical code section protection (e.g. semaphore,
+ * spin-lock, etc.). - If the IO tag for a request was allocated, by the SCI
+ * Core user, using the scic_controller_allocate_io_tag() method, then it is
+ * the responsibility of the caller to invoke this method to free the tag. This
+ * method returns an indication of whether the tag was successfully put back
+ * (freed) to the pool of available tags. SCI_SUCCESS This return value
+ * indicates the tag was successfully placed into the pool of available IO
+ * tags. SCI_FAILURE_INVALID_IO_TAG This value is returned if the supplied tag
+ * is not a valid IO tag value.
+ */
enum sci_status scic_controller_free_io_tag(
struct scic_sds_controller *scic,
u16 io_tag)
return SCI_FAILURE_INVALID_IO_TAG;
}
-/* --------------------------------------------------------------------------- */
-
void scic_controller_enable_interrupts(
struct scic_sds_controller *scic)
{
SMU_IMR_WRITE(scic, 0x00000000);
}
-/* --------------------------------------------------------------------------- */
-
void scic_controller_disable_interrupts(
struct scic_sds_controller *scic)
{
SMU_IMR_WRITE(scic, 0xffffffff);
}
-/* --------------------------------------------------------------------------- */
-
-enum sci_status scic_controller_set_mode(
+static enum sci_status scic_controller_set_mode(
struct scic_sds_controller *scic,
enum sci_controller_mode operating_mode)
{
*
* This method will reset the controller hardware.
*/
-void scic_sds_controller_reset_hardware(
+static void scic_sds_controller_reset_hardware(
struct scic_sds_controller *scic)
{
/* Disable interrupts so we dont take any spurious interrupts */
SCU_UFQGP_WRITE(scic, 0x00000000);
}
-/* --------------------------------------------------------------------------- */
-
enum sci_status scic_user_parameters_set(
struct scic_sds_controller *scic,
union scic_user_parameters *scic_parms)
return SCI_FAILURE_INVALID_STATE;
}
-/* --------------------------------------------------------------------------- */
-
-void scic_user_parameters_get(
- struct scic_sds_controller *scic,
- union scic_user_parameters *scic_parms)
-{
- memcpy(scic_parms, (&scic->user_parameters), sizeof(*scic_parms));
-}
-
-/* --------------------------------------------------------------------------- */
-
enum sci_status scic_oem_parameters_set(
struct scic_sds_controller *scic,
union scic_oem_parameters *scic_parms)
return SCI_FAILURE_INVALID_STATE;
}
-/* --------------------------------------------------------------------------- */
-
void scic_oem_parameters_get(
struct scic_sds_controller *scic,
union scic_oem_parameters *scic_parms)
memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms));
}
-/* --------------------------------------------------------------------------- */
-
-
#define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853
#define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_UPPER_BOUND_NS 1280
#define INTERRUPT_COALESCE_TIMEOUT_MAX_US 2700000
#define INTERRUPT_COALESCE_TIMEOUT_ENCODE_MIN 7
#define INTERRUPT_COALESCE_TIMEOUT_ENCODE_MAX 28
-enum sci_status scic_controller_set_interrupt_coalescence(
+/**
+ * scic_controller_set_interrupt_coalescence() - This method allows the user to
+ * configure the interrupt coalescence.
+ * @controller: This parameter represents the handle to the controller object
+ * for which its interrupt coalesce register is overridden.
+ * @coalesce_number: Used to control the number of entries in the Completion
+ * Queue before an interrupt is generated. If the number of entries exceed
+ * this number, an interrupt will be generated. The valid range of the input
+ * is [0, 256]. A setting of 0 results in coalescing being disabled.
+ * @coalesce_timeout: Timeout value in microseconds. The valid range of the
+ * input is [0, 2700000] . A setting of 0 is allowed and results in no
+ * interrupt coalescing timeout.
+ *
+ * Indicate if the user successfully set the interrupt coalesce parameters.
+ * SCI_SUCCESS The user successfully updated the interrutp coalescence.
+ * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
+ */
+static enum sci_status scic_controller_set_interrupt_coalescence(
struct scic_sds_controller *scic_controller,
u32 coalesce_number,
u32 coalesce_timeout)
* This method is called when the struct scic_sds_controller is in a stopping state
* and the remote device has stopped.
**/
-void scic_sds_controller_stopping_state_device_stopped_handler(
+static void scic_sds_controller_stopping_state_device_stopped_handler(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *remote_device
)
SCI_BASE_CONTROLLER_STATE_RESET);
}
-const struct sci_base_state scic_sds_controller_state_table[] = {
+static const struct sci_base_state scic_sds_controller_state_table[] = {
[SCI_BASE_CONTROLLER_STATE_INITIAL] = {
.enter_state = scic_sds_controller_initial_state_enter,
},
[SCI_BASE_CONTROLLER_STATE_STOPPED] = {},
[SCI_BASE_CONTROLLER_STATE_FAILED] = {}
};
+
+/**
+ * scic_controller_construct() - This method will attempt to construct a
+ * controller object utilizing the supplied parameter information.
+ * @c: This parameter specifies the controller to be constructed.
+ * @scu_base: mapped base address of the scu registers
+ * @smu_base: mapped base address of the smu registers
+ *
+ * Indicate if the controller was successfully constructed or if it failed in
+ * some way. SCI_SUCCESS This value is returned if the controller was
+ * successfully constructed. SCI_WARNING_TIMER_CONFLICT This value is returned
+ * if the interrupt coalescence timer may cause SAS compliance issues for SMP
+ * Target mode response processing. SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE
+ * This value is returned if the controller does not support the supplied type.
+ * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
+ * controller does not support the supplied initialization data version.
+ */
+enum sci_status scic_controller_construct(struct scic_sds_controller *scic,
+ void __iomem *scu_base,
+ void __iomem *smu_base)
+{
+ u8 i;
+
+ sci_base_controller_construct(&scic->parent,
+ scic_sds_controller_state_table,
+ scic->memory_descriptors,
+ ARRAY_SIZE(scic->memory_descriptors), NULL);
+
+ scic->scu_registers = scu_base;
+ scic->smu_registers = smu_base;
+
+ scic_sds_port_configuration_agent_construct(&scic->port_agent);
+
+ /* Construct the ports for this controller */
+ for (i = 0; i < SCI_MAX_PORTS; i++)
+ scic_sds_port_construct(&scic->port_table[i], i, scic);
+ scic_sds_port_construct(&scic->port_table[i], SCIC_SDS_DUMMY_PORT, scic);
+
+ /* Construct the phys for this controller */
+ for (i = 0; i < SCI_MAX_PHYS; i++) {
+ /* Add all the PHYs to the dummy port */
+ scic_sds_phy_construct(&scic->phy_table[i],
+ &scic->port_table[SCI_MAX_PORTS], i);
+ }
+
+ scic->invalid_phy_mask = 0;
+
+ /* Set the default maximum values */
+ scic->completion_event_entries = SCU_EVENT_COUNT;
+ scic->completion_queue_entries = SCU_COMPLETION_QUEUE_COUNT;
+ scic->remote_node_entries = SCI_MAX_REMOTE_DEVICES;
+ scic->logical_port_entries = SCI_MAX_PORTS;
+ scic->task_context_entries = SCU_IO_REQUEST_COUNT;
+ scic->uf_control.buffers.count = SCU_UNSOLICITED_FRAME_COUNT;
+ scic->uf_control.address_table.count = SCU_UNSOLICITED_FRAME_COUNT;
+
+ /* Initialize the User and OEM parameters to default values. */
+ scic_sds_controller_set_default_config_parameters(scic);
+
+ return scic_controller_reset(scic);
+}
extern const struct scic_sds_controller_state_handler
scic_sds_controller_state_handler_table[];
-extern const struct sci_base_state scic_sds_controller_state_table[];
/**
* INCREMENT_QUEUE_GET() -
/* --------------------------------------------------------------------------- */
-u32 scic_sds_controller_get_object_size(void);
/* --------------------------------------------------------------------------- */
* * CORE CONTROLLER REMOTE DEVICE MESSAGE PROCESSING
* ***************************************************************************** */
-bool scic_sds_controller_has_remote_devices_stopping(
- struct scic_sds_controller *this_controller);
void scic_sds_controller_remote_device_started(
struct scic_sds_controller *this_controller,
struct scic_sds_controller *this_controller,
struct scic_sds_remote_device *the_device);
-
-/*
- * *****************************************************************************
- * * CORE CONTROLLER PRIVATE METHODS
- * ***************************************************************************** */
-
-enum sci_status scic_sds_controller_validate_memory_descriptor_table(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_ram_initialization(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_assign_task_entries(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_afe_initialization(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_enable_port_task_scheduler(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_initialize_completion_queue(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_initialize_unsolicited_frame_queue(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_phy_timer_stop(
- struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_start_next_phy(
- struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_phys(
- struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_ports(
- struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_stop_devices(
- struct scic_sds_controller *this_controller);
-
void scic_sds_controller_copy_task_context(
struct scic_sds_controller *this_controller,
struct scic_sds_request *this_request);
-void scic_sds_controller_timeout_handler(void *controller);
-
-void scic_sds_controller_initialize_power_control(
- struct scic_sds_controller *this_controller);
-
void scic_sds_controller_register_setup(
struct scic_sds_controller *this_controller);
-void scic_sds_controller_reset_hardware(
- struct scic_sds_controller *this_controller);
-
-enum sci_status scic_sds_controller_initialize_phy_startup(
- struct scic_sds_controller *this_controller);
-
-void scic_sds_controller_build_memory_descriptor_table(
- struct scic_sds_controller *this_controller);
-
#endif /* _SCIC_SDS_CONTROLLER_H_ */
* restart the starting substate machine since we dont know what has actually
* happening.
*/
-void scic_sds_phy_sata_timeout(void *phy)
+static void scic_sds_phy_sata_timeout(void *phy)
{
struct scic_sds_phy *sci_phy = phy;
SCI_BASE_PHY_STATE_STARTING);
}
-/**
- * This method will construct the struct scic_sds_phy object
- * @this_phy:
- * @owning_port:
- * @phy_index:
- *
- */
-void scic_sds_phy_construct(
- struct scic_sds_phy *this_phy,
- struct scic_sds_port *owning_port,
- u8 phy_index)
-{
- /*
- * Call the base constructor first
- */
- sci_base_phy_construct(
- &this_phy->parent,
- scic_sds_phy_state_table
- );
-
- /* Copy the rest of the input data to our locals */
- this_phy->owning_port = owning_port;
- this_phy->phy_index = phy_index;
- this_phy->bcn_received_while_port_unassigned = false;
- this_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
- this_phy->link_layer_registers = NULL;
- this_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
- this_phy->sata_timeout_timer = NULL;
-
- /* Clear out the identification buffer data */
- memset(&this_phy->phy_type, 0, sizeof(this_phy->phy_type));
-
- /* Initialize the the substate machines */
- sci_base_state_machine_construct(
- &this_phy->starting_substate_machine,
- &this_phy->parent.parent,
- scic_sds_phy_starting_substates,
- SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL
- );
-}
-
/**
* This method returns the port currently containing this phy. If the phy is
* currently contained by the dummy port, then the phy is considered to not
* This function will perform the register reads/writes to suspend the SCU
* hardware protocol engine. none
*/
-void scic_sds_phy_suspend(
+static void scic_sds_phy_suspend(
struct scic_sds_phy *this_phy)
{
u32 scu_sas_pcfg_value;
return SCI_SUCCESS;
}
-const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[] = {
+static enum sci_status default_phy_handler(struct sci_base_phy *base_phy, const char *func)
+{
+ struct scic_sds_phy *sci_phy;
+
+ sci_phy = container_of(base_phy, typeof(*sci_phy), parent);
+ dev_dbg(sciphy_to_dev(sci_phy),
+ "%s: in wrong state: %d\n", func,
+ sci_base_state_machine_get_state(&base_phy->state_machine));
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_phy_default_start_handler(struct sci_base_phy *base_phy)
+{
+ return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_stop_handler(struct sci_base_phy *base_phy)
+{
+ return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_reset_handler(struct sci_base_phy *base_phy)
+{
+ return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_destroy_handler(struct sci_base_phy *base_phy)
+{
+ return default_phy_handler(base_phy, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_frame_handler(struct scic_sds_phy *sci_phy,
+ u32 frame_index)
+{
+ struct scic_sds_controller *scic = scic_sds_phy_get_controller(sci_phy);
+
+ default_phy_handler(&sci_phy->parent, __func__);
+ scic_sds_controller_release_frame(scic, frame_index);
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_phy_default_event_handler(struct scic_sds_phy *sci_phy,
+ u32 event_code)
+{
+ return default_phy_handler(&sci_phy->parent, __func__);
+}
+
+static enum sci_status scic_sds_phy_default_consume_power_handler(struct scic_sds_phy *sci_phy)
+{
+ return default_phy_handler(&sci_phy->parent, __func__);
+}
+
+
+
+static const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[] = {
[SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = {
.parent.start_handler = scic_sds_phy_default_start_handler,
.parent.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_phy_starting_substates[] = {
+static const struct sci_base_state scic_sds_phy_starting_substates[] = {
[SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = {
.enter_state = scic_sds_phy_starting_initial_substate_enter,
},
}
};
-/*
- * ***************************************************************************
- * * DEFAULT HANDLERS
- * *************************************************************************** */
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- *
- * This is the default method for phy a start request. It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_start_handler(
- struct sci_base_phy *phy)
-{
- struct scic_sds_phy *this_phy;
-
- this_phy = (struct scic_sds_phy *)phy;
-
- dev_warn(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p requested to start from invalid "
- "state %d\n",
- __func__,
- this_phy,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a
- * struct scic_sds_phy object.
- *
- * This is the default method for phy a stop request. It will report a warning
- * and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_stop_handler(struct sci_base_phy *base_phy)
-{
- struct scic_sds_phy *sci_phy;
-
- sci_phy = (struct scic_sds_phy *)base_phy;
-
- dev_dbg(sciphy_to_dev(sci_phy),
- "%s: SCIC Phy 0x%p requested to stop from invalid state %d\n",
- __func__,
- sci_phy,
- sci_base_state_machine_get_state(
- &sci_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- *
- * This is the default method for phy a reset request. It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_reset_handler(
- struct sci_base_phy *phy)
-{
- struct scic_sds_phy *this_phy;
-
- this_phy = (struct scic_sds_phy *)phy;
-
- dev_warn(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p requested to reset from invalid state "
- "%d\n",
- __func__,
- this_phy,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- *
- * This is the default method for phy a destruct request. It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_destroy_handler(
- struct sci_base_phy *phy)
-{
- struct scic_sds_phy *this_phy;
-
- this_phy = (struct scic_sds_phy *)phy;
-
- /* / @todo Implement something for the default */
- dev_warn(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p requested to destroy from invalid "
- "state %d\n",
- __func__,
- this_phy,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- * @frame_index: This is the frame index that was received from the SCU
- * hardware.
- *
- * This is the default method for a phy frame handling request. It will report
- * a warning, release the frame and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_frame_handler(
- struct scic_sds_phy *this_phy,
- u32 frame_index)
-{
- dev_warn(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p received unexpected frame data %d "
- "while in state %d\n",
- __func__,
- this_phy,
- frame_index,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- scic_sds_controller_release_frame(
- scic_sds_phy_get_controller(this_phy), frame_index);
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- * @event_code: This is the event code that was received from the SCU hardware.
- *
- * This is the default method for a phy event handler. It will report a
- * warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_event_handler(
- struct scic_sds_phy *this_phy,
- u32 event_code)
-{
- dev_dbg(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p received unexpected event status %x "
- "while in state %d\n",
- __func__,
- this_phy,
- event_code,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/**
- *
- * @phy: This is the struct sci_base_phy object which is cast into a struct scic_sds_phy
- * object.
- *
- * This is the default method for a phy consume power handler. It will report
- * a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE
- */
-enum sci_status scic_sds_phy_default_consume_power_handler(
- struct scic_sds_phy *this_phy)
-{
- dev_warn(sciphy_to_dev(this_phy),
- "%s: SCIC Phy 0x%p given unexpected permission to consume "
- "power while in state %d\n",
- __func__,
- this_phy,
- sci_base_state_machine_get_state(
- &this_phy->parent.state_machine));
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-/*
- * ******************************************************************************
- * * PHY STOPPED STATE HANDLERS
- * ****************************************************************************** */
-
/**
*
* @phy: This is the struct sci_base_phy object which is cast into a
/* --------------------------------------------------------------------------- */
-const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = {
+static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = {
[SCI_BASE_PHY_STATE_INITIAL] = {
.parent.start_handler = scic_sds_phy_default_start_handler,
.parent.stop_handler = scic_sds_phy_default_stop_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_phy_state_table[] = {
+static const struct sci_base_state scic_sds_phy_state_table[] = {
[SCI_BASE_PHY_STATE_INITIAL] = {
.enter_state = scic_sds_phy_initial_state_enter,
},
},
};
+void scic_sds_phy_construct(struct scic_sds_phy *sci_phy,
+ struct scic_sds_port *owning_port, u8 phy_index)
+{
+ /*
+ * Call the base constructor first
+ */
+ sci_base_phy_construct(&sci_phy->parent, scic_sds_phy_state_table);
+
+ /* Copy the rest of the input data to our locals */
+ sci_phy->owning_port = owning_port;
+ sci_phy->phy_index = phy_index;
+ sci_phy->bcn_received_while_port_unassigned = false;
+ sci_phy->protocol = SCIC_SDS_PHY_PROTOCOL_UNKNOWN;
+ sci_phy->link_layer_registers = NULL;
+ sci_phy->max_negotiated_speed = SCI_SAS_NO_LINK_RATE;
+ sci_phy->sata_timeout_timer = NULL;
+
+ /* Clear out the identification buffer data */
+ memset(&sci_phy->phy_type, 0, sizeof(sci_phy->phy_type));
+
+ /* Initialize the the substate machines */
+ sci_base_state_machine_construct(&sci_phy->starting_substate_machine,
+ &sci_phy->parent.parent,
+ scic_sds_phy_starting_substates,
+ SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL);
+}
};
-extern const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[];
-extern const struct sci_base_state scic_sds_phy_state_table[];
-extern const struct sci_base_state scic_sds_phy_starting_substates[];
-extern const struct scic_sds_phy_state_handler scic_sds_phy_starting_substate_handler_table[];
-
-
/**
* scic_sds_phy_get_index() -
*
enum sci_status scic_sds_phy_reset(
struct scic_sds_phy *this_phy);
-void scic_sds_phy_sata_timeout(
- void *cookie);
-
-void scic_sds_phy_suspend(
- struct scic_sds_phy *this_phy);
-
void scic_sds_phy_resume(
struct scic_sds_phy *this_phy);
struct scic_sds_phy *this_phy,
struct sci_sas_identify_address_frame_protocols *protocols);
-enum sci_status scic_sds_phy_default_start_handler(
- struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_stop_handler(
- struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_reset_handler(
- struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_destroy_handler(
- struct sci_base_phy *phy);
-
-enum sci_status scic_sds_phy_default_frame_handler(
- struct scic_sds_phy *phy,
- u32 frame_index);
-
-enum sci_status scic_sds_phy_default_event_handler(
- struct scic_sds_phy *phy,
- u32 evnet_code);
-
-enum sci_status scic_sds_phy_default_consume_power_handler(
- struct scic_sds_phy *phy);
-
#endif /* _SCIC_SDS_PHY_H_ */
#include "sci_environment.h"
#include "scic_sds_controller_registers.h"
-
-static void scic_sds_port_invalid_link_up(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *phy);
-static void scic_sds_port_timeout_handler(
- void *port);
#define SCIC_SDS_PORT_MIN_TIMER_COUNT (SCI_MAX_PORTS)
#define SCIC_SDS_PORT_MAX_TIMER_COUNT (SCI_MAX_PORTS)
#define SCIC_SDS_PORT_HARD_RESET_TIMEOUT (1000)
#define SCU_DUMMY_INDEX (0xFFFF)
-void sci_base_port_construct(
+static void sci_base_port_construct(
struct sci_base_port *base_port,
const struct sci_base_state *state_table)
{
* Return a bit mask indicating which phys are a part of this port. Each bit
* corresponds to a phy identifier (e.g. bit 0 = phy id 0).
*/
-u32 scic_sds_port_get_phys(struct scic_sds_port *this_port)
+static u32 scic_sds_port_get_phys(struct scic_sds_port *this_port)
{
u32 index;
u32 mask;
* phy mask can be supported. true if this is a valid phy assignment for the
* port false if this is not a valid phy assignment for the port
*/
-bool scic_sds_port_is_phy_mask_valid(
+static bool scic_sds_port_is_phy_mask_valid(
struct scic_sds_port *this_port,
u32 phy_mask)
{
* is a functional test that only fails if the phy is currently assigned to a
* different port.
*/
-enum sci_status scic_sds_port_set_phy(
+static enum sci_status scic_sds_port_set_phy(
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
* this phy is not currently assinged to this port. bool true if the phy is
* removed from the port. false if this phy is not assined to this port.
*/
-enum sci_status scic_sds_port_clear_phy(
+static enum sci_status scic_sds_port_clear_phy(
struct scic_sds_port *port,
struct scic_sds_phy *phy)
{
* This structure will be posted to the hardware to work around a scheduler
* error in the hardware.
*/
-void scic_sds_port_construct_dummy_rnc(struct scic_sds_port *sci_port, u16 rni)
+static void scic_sds_port_construct_dummy_rnc(struct scic_sds_port *sci_port, u16 rni)
{
union scu_remote_node_context *rnc;
* in the hardware.
*
*/
-void scic_sds_port_construct_dummy_task(struct scic_sds_port *sci_port, u16 tci)
+static void scic_sds_port_construct_dummy_task(struct scic_sds_port *sci_port, u16 tci)
{
struct scu_task_context *task_context;
task_context->task_phase = 0x01;
}
-void scic_sds_port_destroy_dummy_resources(struct scic_sds_port *sci_port)
+static void scic_sds_port_destroy_dummy_resources(struct scic_sds_port *sci_port)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
sci_port->reserved_tci = SCU_DUMMY_INDEX;
}
-void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index,
- struct scic_sds_controller *scic)
-{
- u32 index;
-
- sci_base_port_construct(&sci_port->parent, scic_sds_port_state_table);
-
- sci_base_state_machine_construct(&sci_port->ready_substate_machine,
- &sci_port->parent.parent,
- scic_sds_port_ready_substate_table,
- SCIC_SDS_PORT_READY_SUBSTATE_WAITING);
-
- sci_port->logical_port_index = SCIC_SDS_DUMMY_PORT;
- sci_port->physical_port_index = port_index;
- sci_port->active_phy_mask = 0;
-
- sci_port->owning_controller = scic;
-
- sci_port->started_request_count = 0;
- sci_port->assigned_device_count = 0;
-
- sci_port->reserved_rni = SCU_DUMMY_INDEX;
- sci_port->reserved_tci = SCU_DUMMY_INDEX;
-
- sci_port->timer_handle = NULL;
-
- sci_port->port_task_scheduler_registers = NULL;
-
- for (index = 0; index < SCI_MAX_PHYS; index++)
- sci_port->phy_table[index] = NULL;
-}
-
/**
* This method performs initialization of the supplied port. Initialization
* includes: - state machine initialization - member variable initialization
}
/**
+ * scic_port_get_properties() - This method simply returns the properties
+ * regarding the port, such as: physical index, protocols, sas address, etc.
+ * @port: this parameter specifies the port for which to retrieve the physical
+ * index.
+ * @properties: This parameter specifies the properties structure into which to
+ * copy the requested information.
*
- * @this_port: This is the struct scic_sds_port object for which has a phy that has
- * gone link up.
- * @the_phy: This is the struct scic_sds_phy object that has gone link up.
- * @do_notify_user: This parameter specifies whether to inform the user (via
- * scic_cb_port_link_up()) as to the fact that a new phy as become ready.
- *
- * This method is the a general link up handler for the struct scic_sds_port object.
- * This function will determine if this struct scic_sds_phy can be assigned to this
- * struct scic_sds_port object. If the struct scic_sds_phy object can is not a valid PHY for
- * this port then the function will notify the SCIC_USER. A PHY can only be
- * part of a port if it's attached SAS ADDRESS is the same as all other PHYs in
- * the same port. none
+ * Indicate if the user specified a valid port. SCI_SUCCESS This value is
+ * returned if the specified port was valid. SCI_FAILURE_INVALID_PORT This
+ * value is returned if the specified port is not valid. When this value is
+ * returned, no data is copied to the properties output parameter.
*/
-void scic_sds_port_general_link_up_handler(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *the_phy,
- bool do_notify_user)
-{
- struct sci_sas_address port_sas_address;
- struct sci_sas_address phy_sas_address;
-
- scic_sds_port_get_attached_sas_address(this_port, &port_sas_address);
- scic_sds_phy_get_attached_sas_address(the_phy, &phy_sas_address);
-
- /*
- * If the SAS address of the new phy matches the SAS address of
- * other phys in the port OR this is the first phy in the port,
- * then activate the phy and allow it to be used for operations
- * in this port. */
- if (
- (
- (phy_sas_address.high == port_sas_address.high)
- && (phy_sas_address.low == port_sas_address.low)
- )
- || (this_port->active_phy_mask == 0)
- ) {
- scic_sds_port_activate_phy(this_port, the_phy, do_notify_user);
-
- if (this_port->parent.state_machine.current_state_id
- == SCI_BASE_PORT_STATE_RESETTING) {
- sci_base_state_machine_change_state(
- &this_port->parent.state_machine, SCI_BASE_PORT_STATE_READY
- );
- }
- } else {
- scic_sds_port_invalid_link_up(this_port, the_phy);
- }
-}
-
-enum sci_status scic_port_stop(struct scic_sds_port *port)
-{
- return port->state_handlers->parent.stop_handler(&port->parent);
-}
-
enum sci_status scic_port_get_properties(
struct scic_sds_port *port,
struct scic_port_properties *prop)
return SCI_SUCCESS;
}
-
+/**
+ * scic_port_hard_reset() - This method will request the SCI implementation to
+ * perform a HARD RESET on the SAS Port. If/When the HARD RESET completes
+ * the SCI user will be notified via an SCI OS callback indicating a direct
+ * attached device was found.
+ * @port: a handle corresponding to the SAS port to be hard reset.
+ * @reset_timeout: This parameter specifies the number of milliseconds in which
+ * the port reset operation should complete.
+ *
+ * The SCI User callback in SCIC_USER_CALLBACKS_T will only be called once for
+ * each phy in the SAS Port at completion of the hard reset sequence. Return a
+ * status indicating whether the hard reset started successfully. SCI_SUCCESS
+ * This value is returned if the hard reset operation started successfully.
+ */
enum sci_status scic_port_hard_reset(
struct scic_sds_port *port,
u32 reset_timeout)
* the phy to the port - enabling the Protocol Engine in the silicon. -
* notifying the user that the link is up. none
*/
-void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
- struct scic_sds_phy *sci_phy,
- bool do_notify_user)
+static void scic_sds_port_activate_phy(struct scic_sds_port *sci_port,
+ struct scic_sds_phy *sci_phy,
+ bool do_notify_user)
{
- struct scic_sds_controller *scic =
- scic_sds_port_get_controller(sci_port);
+ struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
struct sci_sas_identify_address_frame_protocols protocols;
struct isci_host *ihost = sci_object_get_association(scic);
isci_port_link_up(ihost, sci_port, sci_phy);
}
-/**
- *
- * @this_port: This is the port on which the phy should be deactivated.
- * @the_phy: This is the specific phy that is no longer active in the port.
- * @do_notify_user: This parameter specifies whether to inform the user (via
- * isci_port_link_down()) as to the fact that a new phy as become
- * ready.
- *
- * This function will deactivate the supplied phy in the port. none
- */
void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy,
bool do_notify_user)
{
- struct scic_sds_controller *scic =
- scic_sds_port_get_controller(sci_port);
+ struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
struct isci_port *iport = sci_object_get_association(sci_port);
struct isci_host *ihost = sci_object_get_association(scic);
struct isci_phy *iphy = sci_object_get_association(sci_phy);
}
}
+/**
+ * scic_sds_port_general_link_up_handler - phy can be assigned to port?
+ * @sci_port: scic_sds_port object for which has a phy that has gone link up.
+ * @sci_phy: This is the struct scic_sds_phy object that has gone link up.
+ * @do_notify_user: This parameter specifies whether to inform the user (via
+ * scic_cb_port_link_up()) as to the fact that a new phy as become ready.
+ *
+ * Determine if this phy can be assigned to this
+ * port . If the phy is not a valid PHY for
+ * this port then the function will notify the user. A PHY can only be
+ * part of a port if it's attached SAS ADDRESS is the same as all other PHYs in
+ * the same port. none
+ */
+static void scic_sds_port_general_link_up_handler(struct scic_sds_port *sci_port,
+ struct scic_sds_phy *sci_phy,
+ bool do_notify_user)
+{
+ struct sci_sas_address port_sas_address;
+ struct sci_sas_address phy_sas_address;
+
+ scic_sds_port_get_attached_sas_address(sci_port, &port_sas_address);
+ scic_sds_phy_get_attached_sas_address(sci_phy, &phy_sas_address);
+
+ /* If the SAS address of the new phy matches the SAS address of
+ * other phys in the port OR this is the first phy in the port,
+ * then activate the phy and allow it to be used for operations
+ * in this port.
+ */
+ if ((phy_sas_address.high == port_sas_address.high &&
+ phy_sas_address.low == port_sas_address.low) ||
+ sci_port->active_phy_mask == 0) {
+ struct sci_base_state_machine *sm = &sci_port->parent.state_machine;
+
+ scic_sds_port_activate_phy(sci_port, sci_phy, do_notify_user);
+ if (sm->current_state_id == SCI_BASE_PORT_STATE_RESETTING)
+ sci_base_state_machine_change_state(sm, SCI_BASE_PORT_STATE_READY);
+ } else
+ scic_sds_port_invalid_link_up(sci_port, sci_phy);
+}
+
+
+
/**
* This method returns false if the port only has a single phy object assigned.
* If there are no phys or more than one phy then the method will return
*
*
*/
-void scic_sds_port_update_viit_entry(struct scic_sds_port *this_port)
+static void scic_sds_port_update_viit_entry(struct scic_sds_port *this_port)
{
struct sci_sas_address sas_address;
return SCI_SUCCESS;
}
-/* --------------------------------------------------------------------------- */
+static enum sci_status default_port_handler(struct sci_base_port *base_port, const char *func)
+{
+ struct scic_sds_port *sci_port;
+
+ sci_port = container_of(base_port, typeof(*sci_port), parent);
+ dev_warn(sciport_to_dev(sci_port),
+ "%s: in wrong state: %d\n", func,
+ sci_base_state_machine_get_state(&base_port->state_machine));
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_port_default_start_handler(struct sci_base_port *base_port)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_stop_handler(struct sci_base_port *base_port)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_destruct_handler(struct sci_base_port *base_port)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_reset_handler(struct sci_base_port *base_port,
+ u32 timeout)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_add_phy_handler(struct sci_base_port *base_port,
+ struct sci_base_phy *base_phy)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+static enum sci_status scic_sds_port_default_remove_phy_handler(struct sci_base_port *base_port,
+ struct sci_base_phy *base_phy)
+{
+ return default_port_handler(base_port, __func__);
+}
+
+/**
+ * scic_sds_port_default_frame_handler
+ * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port
+ * object.
+ *
+ * This is the default method for a port unsolicited frame request. It will
+ * report a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE Is it even
+ * possible to receive an unsolicited frame directed to a port object? It
+ * seems possible if we implementing virtual functions but until then?
+ */
+static enum sci_status scic_sds_port_default_frame_handler(struct scic_sds_port *sci_port,
+ u32 frame_index)
+{
+ struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
+
+ default_port_handler(&sci_port->parent, __func__);
+ scic_sds_controller_release_frame(scic, frame_index);
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+static enum sci_status scic_sds_port_default_event_handler(struct scic_sds_port *sci_port,
+ u32 event_code)
+{
+ return default_port_handler(&sci_port->parent, __func__);
+}
+
+static void scic_sds_port_default_link_up_handler(struct scic_sds_port *sci_port,
+ struct scic_sds_phy *sci_phy)
+{
+ default_port_handler(&sci_port->parent, __func__);
+}
+
+static void scic_sds_port_default_link_down_handler(struct scic_sds_port *sci_port,
+ struct scic_sds_phy *sci_phy)
+{
+ default_port_handler(&sci_port->parent, __func__);
+}
-struct scic_sds_port_state_handler
+static enum sci_status scic_sds_port_default_start_io_handler(struct scic_sds_port *sci_port,
+ struct scic_sds_remote_device *sci_dev,
+ struct scic_sds_request *sci_req)
+{
+ return default_port_handler(&sci_port->parent, __func__);
+}
+
+static enum sci_status scic_sds_port_default_complete_io_handler(struct scic_sds_port *sci_port,
+ struct scic_sds_remote_device *sci_dev,
+ struct scic_sds_request *sci_req)
+{
+ return default_port_handler(&sci_port->parent, __func__);
+}
+
+
+
+static struct scic_sds_port_state_handler
scic_sds_port_ready_substate_handler_table[SCIC_SDS_PORT_READY_MAX_SUBSTATES] =
{
/* SCIC_SDS_PORT_READY_SUBSTATE_WAITING */
}
};
-
/**
* scic_sds_port_set_ready_state_handlers() -
*
* ongoing requests.
*
*/
-void scic_sds_port_post_dummy_request(struct scic_sds_port *sci_port)
+static void scic_sds_port_post_dummy_request(struct scic_sds_port *sci_port)
{
u32 command;
struct scu_task_context *task_context;
* @sci_port: The port on which the task must be aborted.
*
*/
-void scic_sds_port_abort_dummy_request(struct scic_sds_port *sci_port)
+static void scic_sds_port_abort_dummy_request(struct scic_sds_port *sci_port)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
u16 tci = sci_port->reserved_tci;
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_port_ready_substate_table[] = {
+static const struct sci_base_state scic_sds_port_ready_substate_table[] = {
[SCIC_SDS_PORT_READY_SUBSTATE_WAITING] = {
.enter_state = scic_sds_port_ready_substate_waiting_enter,
},
},
};
-static enum sci_status default_port_handler(struct sci_base_port *base_port, const char *func)
-{
- struct scic_sds_port *sci_port;
-
- sci_port = container_of(base_port, typeof(*sci_port), parent);
- dev_warn(sciport_to_dev(sci_port),
- "%s: in wrong state: %d\n", func,
- sci_base_state_machine_get_state(&base_port->state_machine));
- return SCI_FAILURE_INVALID_STATE;
-}
-
-enum sci_status scic_sds_port_default_start_handler(struct sci_base_port *base_port)
-{
- return default_port_handler(base_port, __func__);
-}
-
-static enum sci_status scic_sds_port_default_stop_handler(struct sci_base_port *base_port)
-{
- return default_port_handler(base_port, __func__);
-}
-
-enum sci_status scic_sds_port_default_destruct_handler(struct sci_base_port *base_port)
-{
- return default_port_handler(base_port, __func__);
-}
-
-enum sci_status scic_sds_port_default_reset_handler(struct sci_base_port *base_port,
- u32 timeout)
-{
- return default_port_handler(base_port, __func__);
-}
-
-static enum sci_status scic_sds_port_default_add_phy_handler(struct sci_base_port *base_port,
- struct sci_base_phy *base_phy)
-{
- return default_port_handler(base_port, __func__);
-}
-
-enum sci_status scic_sds_port_default_remove_phy_handler(struct sci_base_port *base_port,
- struct sci_base_phy *base_phy)
-{
- return default_port_handler(base_port, __func__);
-}
-
-/**
- * scic_sds_port_default_frame_handler
- * @port: This is the struct sci_base_port object which is cast into a struct scic_sds_port
- * object.
- *
- * This is the default method for a port unsolicited frame request. It will
- * report a warning and exit. enum sci_status SCI_FAILURE_INVALID_STATE Is it even
- * possible to receive an unsolicited frame directed to a port object? It
- * seems possible if we implementing virtual functions but until then?
- */
-enum sci_status scic_sds_port_default_frame_handler(struct scic_sds_port *sci_port,
- u32 frame_index)
-{
- struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
-
- default_port_handler(&sci_port->parent, __func__);
- scic_sds_controller_release_frame(scic, frame_index);
-
- return SCI_FAILURE_INVALID_STATE;
-}
-
-enum sci_status scic_sds_port_default_event_handler(struct scic_sds_port *sci_port,
- u32 event_code)
-{
- return default_port_handler(&sci_port->parent, __func__);
-}
-
-void scic_sds_port_default_link_up_handler(struct scic_sds_port *sci_port,
- struct scic_sds_phy *sci_phy)
-{
- default_port_handler(&sci_port->parent, __func__);
-}
-
-void scic_sds_port_default_link_down_handler(struct scic_sds_port *sci_port,
- struct scic_sds_phy *sci_phy)
-{
- default_port_handler(&sci_port->parent, __func__);
-}
-
-enum sci_status scic_sds_port_default_start_io_handler(struct scic_sds_port *sci_port,
- struct scic_sds_remote_device *sci_dev,
- struct scic_sds_request *sci_req)
-{
- return default_port_handler(&sci_port->parent, __func__);
-}
-
-static enum sci_status scic_sds_port_default_complete_io_handler(struct scic_sds_port *sci_port,
- struct scic_sds_remote_device *sci_dev,
- struct scic_sds_request *sci_req)
-{
- return default_port_handler(&sci_port->parent, __func__);
-}
-
/**
*
* @port: This is the struct scic_sds_port object on which the io request count will
scic_sds_port_deactivate_phy(this_port, phy, false);
}
-/* --------------------------------------------------------------------------- */
-
-struct scic_sds_port_state_handler
+static struct scic_sds_port_state_handler
scic_sds_port_state_handler_table[SCI_BASE_PORT_MAX_STATES] =
{
/* SCI_BASE_PORT_STATE_STOPPED */
scu_port_task_scheduler_write(this_port, control, pts_control_value);
}
-void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
+static void scic_sds_port_post_dummy_remote_node(struct scic_sds_port *sci_port)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
u8 phys_index = sci_port->physical_port_index;
scic_sds_controller_post_request(scic, command);
}
-void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci_port)
+static void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci_port)
{
struct scic_sds_controller *scic = sci_port->owning_controller;
u8 phys_index = sci_port->physical_port_index;
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_port_state_table[] = {
+static const struct sci_base_state scic_sds_port_state_table[] = {
[SCI_BASE_PORT_STATE_STOPPED] = {
.enter_state = scic_sds_port_stopped_state_enter,
.exit_state = scic_sds_port_stopped_state_exit
}
};
+void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index,
+ struct scic_sds_controller *scic)
+{
+ u32 index;
+
+ sci_base_port_construct(&sci_port->parent, scic_sds_port_state_table);
+
+ sci_base_state_machine_construct(&sci_port->ready_substate_machine,
+ &sci_port->parent.parent,
+ scic_sds_port_ready_substate_table,
+ SCIC_SDS_PORT_READY_SUBSTATE_WAITING);
+
+ sci_port->logical_port_index = SCIC_SDS_DUMMY_PORT;
+ sci_port->physical_port_index = port_index;
+ sci_port->active_phy_mask = 0;
+
+ sci_port->owning_controller = scic;
+
+ sci_port->started_request_count = 0;
+ sci_port->assigned_device_count = 0;
+
+ sci_port->reserved_rni = SCU_DUMMY_INDEX;
+ sci_port->reserved_tci = SCU_DUMMY_INDEX;
+
+ sci_port->timer_handle = NULL;
+
+ sci_port->port_task_scheduler_registers = NULL;
+
+ for (index = 0; index < SCI_MAX_PHYS; index++)
+ sci_port->phy_table[index] = NULL;
+}
};
-extern const struct sci_base_state scic_sds_port_state_table[];
-extern const struct sci_base_state scic_sds_port_ready_substate_table[];
-
-extern struct scic_sds_port_state_handler scic_sds_port_state_handler_table[];
-extern struct scic_sds_port_state_handler scic_sds_port_ready_substate_handler_table[];
-
/**
* scic_sds_port_get_controller() -
*
struct scic_sds_port *this_port,
u32 device_id);
-void scic_sds_port_activate_phy(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *phy,
- bool do_notify_user);
void scic_sds_port_deactivate_phy(
struct scic_sds_port *this_port,
-void scic_sds_port_general_link_up_handler(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *the_phy,
- bool do_notify_user);
bool scic_sds_port_link_detected(
struct scic_sds_port *this_port,
/* --------------------------------------------------------------------------- */
-void scic_sds_port_update_viit_entry(
- struct scic_sds_port *this_port);
/* --------------------------------------------------------------------------- */
-enum sci_status scic_sds_port_default_start_handler(
- struct sci_base_port *port);
-enum sci_status scic_sds_port_default_destruct_handler(
- struct sci_base_port *port);
-enum sci_status scic_sds_port_default_reset_handler(
- struct sci_base_port *port,
- u32 timeout);
-enum sci_status scic_sds_port_default_remove_phy_handler(
- struct sci_base_port *port,
- struct sci_base_phy *phy);
-enum sci_status scic_sds_port_default_frame_handler(
- struct scic_sds_port *port,
- u32 frame_index);
-enum sci_status scic_sds_port_default_event_handler(
- struct scic_sds_port *port,
- u32 event_code);
-void scic_sds_port_default_link_up_handler(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *phy);
-void scic_sds_port_default_link_down_handler(
- struct scic_sds_port *this_port,
- struct scic_sds_phy *phy);
-enum sci_status scic_sds_port_default_start_io_handler(
- struct scic_sds_port *port,
- struct scic_sds_remote_device *device,
- struct scic_sds_request *io_request);
enum sci_sas_link_rate scic_sds_port_get_max_allowed_speed(
struct scic_sds_port *this_port,
u32 phy_index);
-bool scic_sds_port_is_phy_mask_valid(
- struct scic_sds_port *this_port,
- u32 phy_mask);
-u32 scic_sds_port_get_phys(
- struct scic_sds_port *this_port);
void scic_sds_port_get_sas_address(
struct scic_sds_port *this_port,
struct scic_sds_port *this_port,
struct sci_sas_identify_address_frame_protocols *protocols);
-enum sci_status scic_sds_port_set_phy(
- struct scic_sds_port *port,
- struct scic_sds_phy *phy);
-enum sci_status scic_sds_port_clear_phy(
- struct scic_sds_port *port,
- struct scic_sds_phy *phy);
+ sizeof(struct scic_sds_remote_node_context);
}
-/* --------------------------------------------------------------------------- */
-
-void scic_remote_device_construct(struct scic_sds_port *sci_port,
- struct scic_sds_remote_device *sci_dev)
-{
- sci_dev->owning_port = sci_port;
- sci_dev->started_request_count = 0;
- sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
-
- sci_base_remote_device_construct(
- &sci_dev->parent,
- scic_sds_remote_device_state_table
- );
-
- scic_sds_remote_node_context_construct(
- sci_dev,
- sci_dev->rnc,
- SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
- );
-
- sci_object_set_association(sci_dev->rnc, sci_dev);
-}
-
-
enum sci_status scic_remote_device_da_construct(
struct scic_sds_remote_device *sci_dev)
{
/* --------------------------------------------------------------------------- */
-const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_default_stop_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_remote_device_state_table[] = {
+static const struct sci_base_state scic_sds_remote_device_state_table[] = {
[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
.enter_state = scic_sds_remote_device_initial_state_enter,
},
},
};
+void scic_remote_device_construct(struct scic_sds_port *sci_port,
+ struct scic_sds_remote_device *sci_dev)
+{
+ sci_dev->owning_port = sci_port;
+ sci_dev->started_request_count = 0;
+ sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
+
+ sci_base_remote_device_construct(
+ &sci_dev->parent,
+ scic_sds_remote_device_state_table
+ );
+
+ scic_sds_remote_node_context_construct(
+ sci_dev,
+ sci_dev->rnc,
+ SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
+ );
+
+ sci_object_set_association(sci_dev->rnc, sci_dev);
+}
scic_sds_remote_device_frame_handler_t frame_handler;
};
-extern const struct sci_base_state scic_sds_remote_device_state_table[];
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[];
-extern const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[];
-extern const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[];
-extern const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[];
-
/**
* scic_sds_remote_device_increment_request_count() -
*
#include "scu_event_codes.h"
#include "scu_task_context.h"
-void scic_sds_remote_node_context_construct(
- struct scic_sds_remote_device *device,
- struct scic_sds_remote_node_context *rnc,
- u16 remote_node_index)
-{
- memset(rnc, 0, sizeof(struct scic_sds_remote_node_context));
-
- rnc->remote_node_index = remote_node_index;
- rnc->device = device;
- rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
-
- sci_base_state_machine_construct(
- &rnc->state_machine,
- &rnc->parent,
- scic_sds_remote_node_context_state_table,
- SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE
- );
-
- sci_base_state_machine_start(&rnc->state_machine);
-}
/**
*
*
* This method will construct the RNC buffer for this remote device object. none
*/
-void scic_sds_remote_node_context_construct_buffer(
+static void scic_sds_remote_node_context_construct_buffer(
struct scic_sds_remote_node_context *this_rnc)
{
union scu_remote_node_context *rnc;
/* --------------------------------------------------------------------------- */
-struct scic_sds_remote_node_context_handlers
+static struct scic_sds_remote_node_context_handlers
scic_sds_remote_node_context_state_handler_table[
SCIC_SDS_REMOTE_NODE_CONTEXT_MAX_STATES] =
{
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_remote_node_context_state_table[] = {
+static const struct sci_base_state scic_sds_remote_node_context_state_table[] = {
[SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE] = {
.enter_state = scic_sds_remote_node_context_initial_state_enter,
},
},
};
+void scic_sds_remote_node_context_construct(
+ struct scic_sds_remote_device *device,
+ struct scic_sds_remote_node_context *rnc,
+ u16 remote_node_index)
+{
+ memset(rnc, 0, sizeof(struct scic_sds_remote_node_context));
+
+ rnc->remote_node_index = remote_node_index;
+ rnc->device = device;
+ rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED;
+
+ sci_base_state_machine_construct(
+ &rnc->state_machine,
+ &rnc->parent,
+ scic_sds_remote_node_context_state_table,
+ SCIC_SDS_REMOTE_NODE_CONTEXT_INITIAL_STATE
+ );
+
+ sci_base_state_machine_start(&rnc->state_machine);
+}
struct scic_sds_remote_node_context_handlers *state_handlers;
};
-extern const struct sci_base_state scic_sds_remote_node_context_state_table[];
-
-extern struct scic_sds_remote_node_context_handlers
- scic_sds_remote_node_context_state_handler_table[
- SCIC_SDS_REMOTE_NODE_CONTEXT_MAX_STATES];
-
void scic_sds_remote_node_context_construct(
struct scic_sds_remote_device *device,
struct scic_sds_remote_node_context *rnc,
u16 remote_node_index);
-void scic_sds_remote_node_context_construct_buffer(
- struct scic_sds_remote_node_context *rnc);
bool scic_sds_remote_node_context_is_ready(
struct scic_sds_remote_node_context *this_rnc);
}
}
-/**
- * This method initializes common portions of the io request object. This
- * includes construction of the struct sci_base_request parent.
- * @the_controller: This parameter specifies the controller for which the
- * request is being constructed.
- * @the_target: This parameter specifies the remote device for which the
- * request is being constructed.
- * @io_tag: This parameter specifies the IO tag to be utilized for this
- * request. This parameter can be set to SCI_CONTROLLER_INVALID_IO_TAG.
- * @user_io_request_object: This parameter specifies the user request object
- * for which the request is being constructed.
- * @this_request: This parameter specifies the request being constructed.
- *
- */
-static void scic_sds_general_request_construct(
- struct scic_sds_controller *the_controller,
- struct scic_sds_remote_device *the_target,
- u16 io_tag,
- void *user_io_request_object,
- struct scic_sds_request *this_request)
-{
- sci_base_request_construct(
- &this_request->parent,
- scic_sds_request_state_table
- );
-
- this_request->io_tag = io_tag;
- this_request->user_request = user_io_request_object;
- this_request->owning_controller = the_controller;
- this_request->target_device = the_target;
- this_request->has_started_substate_machine = false;
- this_request->protocol = SCIC_NO_PROTOCOL;
- this_request->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
- this_request->device_sequence = scic_sds_remote_device_get_sequence(the_target);
-
- this_request->sci_status = SCI_SUCCESS;
- this_request->scu_status = 0;
- this_request->post_context = 0xFFFFFFFF;
-
- this_request->is_task_management_request = false;
-
- if (io_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
- this_request->was_tag_assigned_by_user = false;
- this_request->task_context_buffer = NULL;
- } else {
- this_request->was_tag_assigned_by_user = true;
-
- this_request->task_context_buffer =
- scic_sds_controller_get_task_context_buffer(
- this_request->owning_controller, io_tag);
- }
-}
-
/**
* This method build the remainder of the IO request object.
* @this_request: This parameter specifies the request object being constructed.
return status;
}
-/*
- * ****************************************************************************
- * * SCIC Interface Implementation
- * **************************************************************************** */
-
-
-
-
-/* --------------------------------------------------------------------------- */
-
u32 scic_io_request_get_object_size(void)
{
u32 ssp_request_size;
return max(ssp_request_size, max(stp_request_size, smp_request_size));
}
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-
-/* --------------------------------------------------------------------------- */
-
-enum sci_status scic_io_request_construct(
- struct scic_sds_controller *scic_controller,
- struct scic_sds_remote_device *scic_remote_device,
- u16 io_tag,
- void *user_io_request_object,
- void *scic_io_request_memory,
- struct scic_sds_request **new_scic_io_request_handle)
-{
- enum sci_status status = SCI_SUCCESS;
- struct scic_sds_request *this_request;
- struct smp_discover_response_protocols device_protocol;
-
- this_request = (struct scic_sds_request *)scic_io_request_memory;
-
- /* Build the common part of the request */
- scic_sds_general_request_construct(
- (struct scic_sds_controller *)scic_controller,
- (struct scic_sds_remote_device *)scic_remote_device,
- io_tag,
- user_io_request_object,
- this_request
- );
-
- if (
- scic_sds_remote_device_get_index((struct scic_sds_remote_device *)scic_remote_device)
- == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
- ) {
- return SCI_FAILURE_INVALID_REMOTE_DEVICE;
- }
-
- scic_remote_device_get_protocols(scic_remote_device, &device_protocol);
-
- if (device_protocol.u.bits.attached_ssp_target) {
- scic_sds_ssp_io_request_assign_buffers(this_request);
- } else if (device_protocol.u.bits.attached_stp_target) {
- scic_sds_stp_request_assign_buffers(this_request);
- memset(this_request->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
- } else if (device_protocol.u.bits.attached_smp_target) {
- scic_sds_smp_request_assign_buffers(this_request);
- memset(this_request->command_buffer, 0, sizeof(struct smp_request));
- } else {
- status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
- }
-
- if (status == SCI_SUCCESS) {
- memset(
- this_request->task_context_buffer,
- 0,
- SCI_FIELD_OFFSET(struct scu_task_context, sgl_pair_ab)
- );
- *new_scic_io_request_handle = scic_io_request_memory;
- }
-
- return status;
-}
-
-/* --------------------------------------------------------------------------- */
-
-
-enum sci_status scic_task_request_construct(
- struct scic_sds_controller *controller,
- struct scic_sds_remote_device *remote_device,
- u16 io_tag,
- void *user_io_request_object,
- void *scic_task_request_memory,
- struct scic_sds_request **new_scic_task_request_handle)
-{
- enum sci_status status = SCI_SUCCESS;
- struct scic_sds_request *this_request = (struct scic_sds_request *)
- scic_task_request_memory;
- struct smp_discover_response_protocols device_protocol;
-
- /* Build the common part of the request */
- scic_sds_general_request_construct(
- (struct scic_sds_controller *)controller,
- (struct scic_sds_remote_device *)remote_device,
- io_tag,
- user_io_request_object,
- this_request
- );
-
- scic_remote_device_get_protocols(remote_device, &device_protocol);
-
- if (device_protocol.u.bits.attached_ssp_target) {
- scic_sds_ssp_task_request_assign_buffers(this_request);
-
- this_request->has_started_substate_machine = true;
-
- /* Construct the started sub-state machine. */
- sci_base_state_machine_construct(
- &this_request->started_substate_machine,
- &this_request->parent.parent,
- scic_sds_io_request_started_task_mgmt_substate_table,
- SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION
- );
- } else if (device_protocol.u.bits.attached_stp_target) {
- scic_sds_stp_request_assign_buffers(this_request);
- } else {
- status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
- }
-
- if (status == SCI_SUCCESS) {
- this_request->is_task_management_request = true;
- memset(this_request->task_context_buffer, 0x00, sizeof(struct scu_task_context));
- *new_scic_task_request_handle = scic_task_request_memory;
- }
-
- return status;
-}
-
-
enum sci_status scic_io_request_construct_basic_ssp(
struct scic_sds_request *sci_req)
{
return SCI_SUCCESS;
}
-/* --------------------------------------------------------------------------- */
-
-const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[] = {
[SCI_BASE_REQUEST_STATE_INITIAL] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_default_abort_handler,
);
}
-/* --------------------------------------------------------------------------- */
-
-const struct sci_base_state scic_sds_request_state_table[] = {
+static const struct sci_base_state scic_sds_request_state_table[] = {
[SCI_BASE_REQUEST_STATE_INITIAL] = {
.enter_state = scic_sds_request_initial_state_enter,
},
},
};
+static void scic_sds_general_request_construct(struct scic_sds_controller *scic,
+ struct scic_sds_remote_device *sci_dev,
+ u16 io_tag,
+ void *user_io_request_object,
+ struct scic_sds_request *sci_req)
+{
+ sci_base_request_construct(&sci_req->parent, scic_sds_request_state_table);
+ sci_req->io_tag = io_tag;
+ sci_req->user_request = user_io_request_object;
+ sci_req->owning_controller = scic;
+ sci_req->target_device = sci_dev;
+ sci_req->has_started_substate_machine = false;
+ sci_req->protocol = SCIC_NO_PROTOCOL;
+ sci_req->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
+ sci_req->device_sequence = scic_sds_remote_device_get_sequence(sci_dev);
+
+ sci_req->sci_status = SCI_SUCCESS;
+ sci_req->scu_status = 0;
+ sci_req->post_context = 0xFFFFFFFF;
+
+ sci_req->is_task_management_request = false;
+
+ if (io_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
+ sci_req->was_tag_assigned_by_user = false;
+ sci_req->task_context_buffer = NULL;
+ } else {
+ sci_req->was_tag_assigned_by_user = true;
+
+ sci_req->task_context_buffer =
+ scic_sds_controller_get_task_context_buffer(scic, io_tag);
+ }
+}
+
+enum sci_status scic_io_request_construct(struct scic_sds_controller *scic,
+ struct scic_sds_remote_device *sci_dev,
+ u16 io_tag,
+ void *user_io_request_object,
+ struct scic_sds_request *sci_req,
+ struct scic_sds_request **new_scic_io_request_handle)
+{
+ enum sci_status status = SCI_SUCCESS;
+ struct smp_discover_response_protocols device_protocol;
+
+ /* Build the common part of the request */
+ scic_sds_general_request_construct(scic, sci_dev, io_tag,
+ user_io_request_object, sci_req);
+
+ if (sci_dev->rnc->remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX)
+ return SCI_FAILURE_INVALID_REMOTE_DEVICE;
+
+ scic_remote_device_get_protocols(sci_dev, &device_protocol);
+
+ if (device_protocol.u.bits.attached_ssp_target) {
+ scic_sds_ssp_io_request_assign_buffers(sci_req);
+ } else if (device_protocol.u.bits.attached_stp_target) {
+ scic_sds_stp_request_assign_buffers(sci_req);
+ memset(sci_req->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
+ } else if (device_protocol.u.bits.attached_smp_target) {
+ scic_sds_smp_request_assign_buffers(sci_req);
+ memset(sci_req->command_buffer, 0, sizeof(struct smp_request));
+ } else {
+ status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
+ }
+
+ if (status == SCI_SUCCESS) {
+ memset(sci_req->task_context_buffer, 0,
+ SCI_FIELD_OFFSET(struct scu_task_context, sgl_pair_ab));
+ *new_scic_io_request_handle = sci_req;
+ }
+
+ return status;
+}
+
+enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
+ struct scic_sds_remote_device *sci_dev,
+ u16 io_tag,
+ void *user_io_request_object,
+ struct scic_sds_request *sci_req,
+ struct scic_sds_request **new_sci_req)
+{
+ enum sci_status status = SCI_SUCCESS;
+ struct smp_discover_response_protocols device_protocol;
+
+ /* Build the common part of the request */
+ scic_sds_general_request_construct(scic, sci_dev, io_tag,
+ user_io_request_object,
+ sci_req);
+
+ scic_remote_device_get_protocols(sci_dev, &device_protocol);
+
+ if (device_protocol.u.bits.attached_ssp_target) {
+ scic_sds_ssp_task_request_assign_buffers(sci_req);
+
+ sci_req->has_started_substate_machine = true;
+
+ /* Construct the started sub-state machine. */
+ sci_base_state_machine_construct(
+ &sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_io_request_started_task_mgmt_substate_table,
+ SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION
+ );
+ } else if (device_protocol.u.bits.attached_stp_target) {
+ scic_sds_stp_request_assign_buffers(sci_req);
+ } else {
+ status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
+ }
+
+ if (status == SCI_SUCCESS) {
+ sci_req->is_task_management_request = true;
+ memset(sci_req->task_context_buffer, 0, sizeof(struct scu_task_context));
+ *new_sci_req = sci_req;
+ }
+
+ return status;
+}
};
-extern const struct sci_base_state scic_sds_request_state_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_request_state_handler_table[];
-
extern const struct sci_base_state scic_sds_io_request_started_task_mgmt_substate_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_smp_request_started_substate_table[];
-extern const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[];
/**
*
/* --------------------------------------------------------------------------- */
-const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_smp_remote_device_ready_substate_handler_table[] = {
[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
}
}
-/**
- * This method is called by the SCI user to build an SMP IO request.
- *
- * - The user must have previously called scic_io_request_construct() on the
- * supplied IO request. Indicate if the controller successfully built the IO
- * request. SCI_SUCCESS This value is returned if the IO request was
- * successfully built. SCI_FAILURE_UNSUPPORTED_PROTOCOL This value is returned
- * if the remote_device does not support the SMP protocol.
- * SCI_FAILURE_INVALID_ASSOCIATION This value is returned if the user did not
- * properly set the association between the SCIC IO request and the user's IO
- * request. Please refer to the sci_object_set_association() routine for more
- * information.
- */
-enum sci_status scic_io_request_construct_smp(
- struct scic_sds_request *sci_req)
-{
- struct smp_request *smp_req = kmalloc(sizeof(*smp_req), GFP_KERNEL);
-
- if (!smp_req)
- return SCI_FAILURE_INSUFFICIENT_RESOURCES;
-
- sci_req->protocol = SCIC_SMP_PROTOCOL;
- sci_req->has_started_substate_machine = true;
-
- /* Construct the started sub-state machine. */
- sci_base_state_machine_construct(
- &sci_req->started_substate_machine,
- &sci_req->parent.parent,
- scic_sds_smp_request_started_substate_table,
- SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE
- );
-
- /* Construct the SMP SCU Task Context */
- memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req));
-
- /*
- * Look at the SMP requests' header fields; for certain SAS 1.x SMP
- * functions under SAS 2.0, a zero request length really indicates
- * a non-zero default length. */
- if (smp_req->header.request_length == 0) {
- switch (smp_req->header.function) {
- case SMP_FUNCTION_DISCOVER:
- case SMP_FUNCTION_REPORT_PHY_ERROR_LOG:
- case SMP_FUNCTION_REPORT_PHY_SATA:
- case SMP_FUNCTION_REPORT_ROUTE_INFORMATION:
- smp_req->header.request_length = 2;
- break;
- case SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION:
- case SMP_FUNCTION_PHY_CONTROL:
- case SMP_FUNCTION_PHY_TEST:
- smp_req->header.request_length = 9;
- break;
- /* Default - zero is a valid default for 2.0. */
- }
- }
-
- scu_smp_request_construct_task_context(sci_req, smp_req);
-
- sci_base_state_machine_change_state(
- &sci_req->parent.state_machine,
- SCI_BASE_REQUEST_STATE_CONSTRUCTED
- );
-
- kfree(smp_req);
-
- return SCI_SUCCESS;
-}
/**
* This method is called by the SCI user to build an SMP pass-through IO
}
-const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[] = {
[SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
);
}
-const struct sci_base_state scic_sds_smp_request_started_substate_table[] = {
+static const struct sci_base_state scic_sds_smp_request_started_substate_table[] = {
[SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = {
.enter_state = scic_sds_smp_request_started_await_response_substate_enter,
},
},
};
+/**
+ * This method is called by the SCI user to build an SMP IO request.
+ *
+ * - The user must have previously called scic_io_request_construct() on the
+ * supplied IO request. Indicate if the controller successfully built the IO
+ * request. SCI_SUCCESS This value is returned if the IO request was
+ * successfully built. SCI_FAILURE_UNSUPPORTED_PROTOCOL This value is returned
+ * if the remote_device does not support the SMP protocol.
+ * SCI_FAILURE_INVALID_ASSOCIATION This value is returned if the user did not
+ * properly set the association between the SCIC IO request and the user's IO
+ * request. Please refer to the sci_object_set_association() routine for more
+ * information.
+ */
+enum sci_status scic_io_request_construct_smp(struct scic_sds_request *sci_req)
+{
+ struct smp_request *smp_req = kmalloc(sizeof(*smp_req), GFP_KERNEL);
+
+ if (!smp_req)
+ return SCI_FAILURE_INSUFFICIENT_RESOURCES;
+
+ sci_req->protocol = SCIC_SMP_PROTOCOL;
+ sci_req->has_started_substate_machine = true;
+
+ /* Construct the started sub-state machine. */
+ sci_base_state_machine_construct(
+ &sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_smp_request_started_substate_table,
+ SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE
+ );
+
+ /* Construct the SMP SCU Task Context */
+ memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req));
+
+ /*
+ * Look at the SMP requests' header fields; for certain SAS 1.x SMP
+ * functions under SAS 2.0, a zero request length really indicates
+ * a non-zero default length. */
+ if (smp_req->header.request_length == 0) {
+ switch (smp_req->header.function) {
+ case SMP_FUNCTION_DISCOVER:
+ case SMP_FUNCTION_REPORT_PHY_ERROR_LOG:
+ case SMP_FUNCTION_REPORT_PHY_SATA:
+ case SMP_FUNCTION_REPORT_ROUTE_INFORMATION:
+ smp_req->header.request_length = 2;
+ break;
+ case SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION:
+ case SMP_FUNCTION_PHY_CONTROL:
+ case SMP_FUNCTION_PHY_TEST:
+ smp_req->header.request_length = 9;
+ break;
+ /* Default - zero is a valid default for 2.0. */
+ }
+ }
+
+ scu_smp_request_construct_task_context(sci_req, smp_req);
+
+ sci_base_state_machine_change_state(
+ &sci_req->parent.state_machine,
+ SCI_BASE_REQUEST_STATE_CONSTRUCTED
+ );
+
+ kfree(smp_req);
+
+ return SCI_SUCCESS;
+}
return SCI_SUCCESS;
}
-const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_ssp_task_request_started_substate_handler_table[] = {
[SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE,
};
-
-/* --------------------------------------------------------------------------- */
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[];
-
-/* --------------------------------------------------------------------------- */
-
struct scic_sds_stp_request;
-struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(
- struct scic_sds_stp_request *this_request);
#endif /* _SCIC_SDS_SATA_PIO_REQUEST_H_ */
/* --------------------------------------------------------------------------- */
-const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
+static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
.parent.start_handler = scic_sds_remote_device_default_start_handler,
.parent.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
* This method will perform any general sata request construction. What part of
* SATA IO request construction is general? none
*/
-void scic_sds_stp_non_ncq_request_construct(
+static void scic_sds_stp_non_ncq_request_construct(
struct scic_sds_request *this_request)
{
this_request->has_started_substate_machine = true;
}
}
-/**
- *
- * @sci_req: This parameter specifies the request to be constructed.
- *
- * This method will construct the STP UDMA request and its associated TC data.
- * This method returns an indication as to whether the construction was
- * successful. SCI_SUCCESS Currently this method always returns this value.
- */
-enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req,
- u32 len,
- enum dma_data_direction dir)
-{
- scic_sds_stp_non_ncq_request_construct(sci_req);
-
- scic_sds_stp_optimized_request_construct(sci_req, SCU_TASK_TYPE_DMA_IN,
- len, dir);
-
- sci_base_state_machine_construct(
- &sci_req->started_substate_machine,
- &sci_req->parent.parent,
- scic_sds_stp_request_started_udma_substate_table,
- SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE
- );
-
- return SCI_SUCCESS;
-}
-
/**
*
* @sci_req: This parameter specifies the request to be constructed.
}
/**
- *
+ * scu_stp_raw_request_construct_task_context -
* @this_request: This parameter specifies the STP request object for which to
* construct a RAW command frame task context.
* @task_context: This parameter specifies the SCU specific task context buffer
* This method performs the operations common to all SATA/STP requests
* utilizing the raw frame method. none
*/
-void scu_stp_raw_request_construct_task_context(
+static void scu_stp_raw_request_construct_task_context(
struct scic_sds_stp_request *this_request,
struct scu_task_context *task_context)
{
task_context->transfer_length_bytes = sizeof(struct sata_fis_reg_h2d) - sizeof(u32);
}
-/**
- *
- * @this_request: This parameter specifies the core request object to
- * construction into an STP/SATA non-data request.
- *
- * This method will construct the STP Non-data request and its associated TC
- * data. A non-data request essentially behaves like a 0 length read request
- * in the SCU. This method currently always returns SCI_SUCCESS
- */
-enum sci_status scic_sds_stp_non_data_request_construct(
- struct scic_sds_request *this_request)
-{
- scic_sds_stp_non_ncq_request_construct(this_request);
-
- /* Build the STP task context structure */
- scu_stp_raw_request_construct_task_context(
- (struct scic_sds_stp_request *)this_request,
- this_request->task_context_buffer
- );
-
- sci_base_state_machine_construct(
- &this_request->started_substate_machine,
- &this_request->parent.parent,
- scic_sds_stp_request_started_non_data_substate_table,
- SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE
- );
-
- return SCI_SUCCESS;
-}
-
-
-enum sci_status scic_sds_stp_soft_reset_request_construct(
- struct scic_sds_request *this_request)
-{
- scic_sds_stp_non_ncq_request_construct(this_request);
-
- /* Build the STP task context structure */
- scu_stp_raw_request_construct_task_context(
- (struct scic_sds_stp_request *)this_request,
- this_request->task_context_buffer
- );
-
- sci_base_state_machine_construct(
- &this_request->started_substate_machine,
- &this_request->parent.parent,
- scic_sds_stp_request_started_soft_reset_substate_table,
- SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE
- );
-
- return SCI_SUCCESS;
-}
-
-
void scic_stp_io_request_set_ncq_tag(
struct scic_sds_request *req,
u16 ncq_tag)
* - if there are more SGL element pairs - advance to the next pair and return
* element A struct scu_sgl_element*
*/
-struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(struct scic_sds_stp_request *stp_req)
+static struct scu_sgl_element *scic_sds_stp_request_pio_get_next_sgl(struct scic_sds_stp_request *stp_req)
{
struct scu_sgl_element *current_sgl;
struct scic_sds_request *sci_req = &stp_req->parent;
return current_sgl;
}
-/**
- *
- * @scic_io_request: The core request object which is cast to a SATA PIO
- * request object.
- *
- * This method will construct the SATA PIO request. This method returns an
- * indication as to whether the construction was successful. SCI_SUCCESS
- * Currently this method always returns this value.
- */
-enum sci_status scic_sds_stp_pio_request_construct(
- struct scic_sds_request *scic_io_request,
- u8 sat_protocol,
- bool copy_rx_frame)
-{
- struct scic_sds_stp_request *this_request;
-
- this_request = (struct scic_sds_stp_request *)scic_io_request;
-
- scic_sds_stp_non_ncq_request_construct(&this_request->parent);
-
- scu_stp_raw_request_construct_task_context(
- this_request, this_request->parent.task_context_buffer
- );
-
- this_request->type.pio.current_transfer_bytes = 0;
- this_request->type.pio.ending_error = 0;
- this_request->type.pio.ending_status = 0;
-
- this_request->type.pio.request_current.sgl_offset = 0;
- this_request->type.pio.request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;
- this_request->type.pio.sat_protocol = sat_protocol;
-
- if (copy_rx_frame) {
- scic_sds_request_build_sgl(&this_request->parent);
- /*
- * Since the IO request copy of the TC contains the same data as
- * the actual TC this pointer is vaild for either. */
- this_request->type.pio.request_current.sgl_pair =
- &this_request->parent.task_context_buffer->sgl_pair_ab;
- } else {
- /* The user does not want the data copied to the SGL buffer location */
- this_request->type.pio.request_current.sgl_pair = NULL;
- }
-
- sci_base_state_machine_construct(
- &this_request->parent.started_substate_machine,
- &this_request->parent.parent.parent,
- scic_sds_stp_request_started_pio_substate_table,
- SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE
- );
-
- return SCI_SUCCESS;
-}
-
/**
*
* @this_request:
/* --------------------------------------------------------------------------- */
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_request_started_non_data_await_h2d_completion_enter,
},
},
};
+enum sci_status scic_sds_stp_non_data_request_construct(struct scic_sds_request *sci_req)
+{
+ struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+
+ scic_sds_stp_non_ncq_request_construct(sci_req);
+
+ /* Build the STP task context structure */
+ scu_stp_raw_request_construct_task_context(stp_req, sci_req->task_context_buffer);
+
+ sci_base_state_machine_construct(&sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_stp_request_started_non_data_substate_table,
+ SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE);
+
+ return SCI_SUCCESS;
+}
+
#define SCU_MAX_FRAME_BUFFER_SIZE 0x400 /* 1K is the maximum SCU frame data payload */
/**
/* --------------------------------------------------------------------------- */
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_pio_substate_handler_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_pio_substate_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_request_started_pio_await_h2d_completion_enter,
},
}
};
+enum sci_status scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req,
+ u8 sat_protocol,
+ bool copy_rx_frame)
+{
+ struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+ struct scic_sds_stp_pio_request *pio = &stp_req->type.pio;
+
+ scic_sds_stp_non_ncq_request_construct(sci_req);
+
+ scu_stp_raw_request_construct_task_context(stp_req,
+ sci_req->task_context_buffer);
+
+ pio->current_transfer_bytes = 0;
+ pio->ending_error = 0;
+ pio->ending_status = 0;
+
+ pio->request_current.sgl_offset = 0;
+ pio->request_current.sgl_set = SCU_SGL_ELEMENT_PAIR_A;
+ pio->sat_protocol = sat_protocol;
+
+ if (copy_rx_frame) {
+ scic_sds_request_build_sgl(sci_req);
+ /* Since the IO request copy of the TC contains the same data as
+ * the actual TC this pointer is vaild for either.
+ */
+ pio->request_current.sgl_pair = &sci_req->task_context_buffer->sgl_pair_ab;
+ } else {
+ /* The user does not want the data copied to the SGL buffer location */
+ pio->request_current.sgl_pair = NULL;
+ }
+
+ sci_base_state_machine_construct(&sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_stp_request_started_pio_substate_table,
+ SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE);
+
+ return SCI_SUCCESS;
+}
+
static void scic_sds_stp_request_udma_complete_request(
struct scic_sds_request *this_request,
u32 scu_status,
/* --------------------------------------------------------------------------- */
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
/* --------------------------------------------------------------------------- */
-const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_request_started_udma_await_tc_completion_enter,
},
},
};
+enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req,
+ u32 len,
+ enum dma_data_direction dir)
+{
+ scic_sds_stp_non_ncq_request_construct(sci_req);
+
+ scic_sds_stp_optimized_request_construct(sci_req, SCU_TASK_TYPE_DMA_IN,
+ len, dir);
+
+ sci_base_state_machine_construct(
+ &sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_stp_request_started_udma_substate_table,
+ SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE
+ );
+
+ return SCI_SUCCESS;
+}
+
/**
*
* @this_request:
/* --------------------------------------------------------------------------- */
-const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[] = {
+static const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE] = {
.parent.start_handler = scic_sds_request_default_start_handler,
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
);
}
-/* --------------------------------------------------------------------------- */
-
-const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[] = {
+static const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[] = {
[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter,
},
},
};
+enum sci_status scic_sds_stp_soft_reset_request_construct(struct scic_sds_request *sci_req)
+{
+ struct scic_sds_stp_request *stp_req = container_of(sci_req, typeof(*stp_req), parent);
+
+ scic_sds_stp_non_ncq_request_construct(sci_req);
+
+ /* Build the STP task context structure */
+ scu_stp_raw_request_construct_task_context(stp_req, sci_req->task_context_buffer);
+
+ sci_base_state_machine_construct(&sci_req->started_substate_machine,
+ &sci_req->parent.parent,
+ scic_sds_stp_request_started_soft_reset_substate_table,
+ SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE);
+
+ return SCI_SUCCESS;
+}
u32 udma;
- struct {
+ struct scic_sds_stp_pio_request {
/**
* Total transfer for the entire PIO request recorded at request constuction
* time.
SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE,
};
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_udma_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_udma_substate_table[];
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_non_data_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_non_data_substate_table[];
-
-extern const struct scic_sds_io_request_state_handler scic_sds_stp_request_started_soft_reset_substate_handler_table[];
-
-extern const struct sci_base_state scic_sds_stp_request_started_soft_reset_substate_table[];
-
-/* --------------------------------------------------------------------------- */
-
u32 scic_sds_stp_request_get_object_size(void);
-
-void scic_sds_stp_non_ncq_request_construct(
- struct scic_sds_request *this_request);
-
enum sci_status scic_sds_stp_pio_request_construct(
struct scic_sds_request *scic_io_request,
u8 sat_protocol,
u32 transfer_length,
enum dma_data_direction dir);
-void scu_stp_raw_request_construct_task_context(
- struct scic_sds_stp_request *this_request,
- struct scu_task_context *task_context);
#endif /* _SCIC_SDS_STP_REQUEST_T_ */
==============================================================================
Place isci_firmware.bin in /lib/firmware
-Be sure to recreate the initramfs image to include the firmware.
+Be sure to recreate the initramfs image to include the firmware.
call_status = scic_sata_phy_get_properties(phy,
&sata_phy_properties);
- /*
+ /*
* XXX I am concerned about this "assert". shouldn't we
* handle the return appropriately?
*/
*
* physical address in the specified sge.
*/
-dma_addr_t isci_request_sge_get_address_field(
- struct isci_request *request,
- void *sge_address)
-{
- struct sas_task *task = isci_request_access_task(request);
- dma_addr_t ret;
- struct isci_host *isci_host = isci_host_from_sas_ha(
- task->dev->port->ha);
-
- dev_dbg(&isci_host->pdev->dev,
- "%s: request = %p, sge_address = %p\n",
- __func__,
- request,
- sge_address);
-
- if (task->data_dir == PCI_DMA_NONE)
- return 0;
-
- /* the case where num_scatter == 0 is special, in that
- * task->scatter is the actual buffer address, not an sgl.
- * so a map single is required here.
- */
- if ((task->num_scatter == 0) &&
- !sas_protocol_ata(task->task_proto)) {
- ret = dma_map_single(
- &isci_host->pdev->dev,
- task->scatter,
- task->total_xfer_len,
- task->data_dir
- );
- request->zero_scatter_daddr = ret;
- } else
- ret = sg_dma_address(((struct scatterlist *)sge_address));
-
- dev_dbg(&isci_host->pdev->dev,
- "%s: bus address = %lx\n",
- __func__,
- (unsigned long)ret);
-
- return ret;
-}
/**
*
* length field value in the specified sge.
*/
-u32 isci_request_sge_get_length_field(
- struct isci_request *request,
- void *sge_address)
-{
- struct sas_task *task = isci_request_access_task(request);
- int ret;
-
- dev_dbg(&request->isci_host->pdev->dev,
- "%s: request = %p, sge_address = %p\n",
- __func__,
- request,
- sge_address);
-
- if (task->data_dir == PCI_DMA_NONE)
- return 0;
-
- /* the case where num_scatter == 0 is special, in that
- * task->scatter is the actual buffer address, not an sgl.
- * so we return total_xfer_len here.
- */
- if (task->num_scatter == 0)
- ret = task->total_xfer_len;
- else
- ret = sg_dma_len((struct scatterlist *)sge_address);
-
- dev_dbg(&request->isci_host->pdev->dev,
- "%s: len = %d\n",
- __func__,
- ret);
-
- return ret;
-}
/**
return ret;
}
-dma_addr_t isci_request_sge_get_address_field(
- struct isci_request *request,
- void *sge_address);
-u32 isci_request_sge_get_length_field(
- struct isci_request *request,
- void *sge_address);
void *isci_request_ssp_io_request_get_cdb_address(
struct isci_request *request);
tmf->cb_data = cb_data;
}
-void isci_task_build_abort_task_tmf(
+static void isci_task_build_abort_task_tmf(
struct isci_tmf *tmf,
struct isci_remote_device *isci_device,
enum isci_tmf_function_codes code,
*
* lun for specified task request.
*/
-u32 isci_task_ssp_request_get_lun(struct isci_request *request)
-{
- struct isci_tmf *isci_tmf = isci_request_access_tmf(request);
-
- dev_dbg(&request->isci_host->pdev->dev,
- "%s: lun = %d\n", __func__, isci_tmf->lun[0]);
-/* @todo: build lun from array of bytes to 32 bit */
- return isci_tmf->lun[0];
-}
/**
* isci_task_ssp_request_get_function() - This function is called by the sci
u8 isci_task_ssp_request_get_function(
struct isci_request *request);
-u32 isci_task_ssp_request_get_lun(
- struct isci_request *request);
void *isci_task_ssp_request_get_response_data_address(
struct isci_request *request);
void *),
void *cb_data);
-void isci_task_build_abort_task_tmf(
- struct isci_tmf *tmf,
- struct isci_remote_device *isci_device,
- enum isci_tmf_function_codes code,
- void (*tmf_sent_cb)(
- enum isci_tmf_cb_state,
- struct isci_tmf *, void *),
- struct isci_request *old_request);
int isci_task_execute_tmf(
struct isci_host *isci_host,
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff