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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/isci/scil/scif_sas_remote_device.h 231689 2012-02-14 15:58:49Z jimharris $
*/
#ifndef _SCIF_SAS_REMOTE_DEVICE_H_
#define _SCIF_SAS_REMOTE_DEVICE_H_
/**
* @file
*
* @brief This file contains the protected interface structures, constants,
* and methods for the SCIF_SAS_REMOTE_DEVICE object.
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/scif_remote_device.h>
#include <dev/isci/scil/sci_base_remote_device.h>
#include <dev/isci/scil/sci_base_request.h>
#include <dev/isci/scil/sci_base_state_machine_logger.h>
#include <dev/isci/scil/scif_sas_stp_remote_device.h>
#include <dev/isci/scil/scif_sas_smp_remote_device.h>
struct SCIF_SAS_DOMAIN;
struct SCIF_SAS_REMOTE_DEVICE;
struct SCIF_SAS_REQUEST;
/**
* This constant indicates the number of milliseconds to wait for the core
* to start/stop it's remote device object.
*/
#define SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT 1000
/**
* @enum _SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATES
*
* @brief This enumeration depicts all the substates for the remote device's
* starting substate machine.
*/
typedef enum _SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATES
{
/**
* This state indicates that the framework is waiting for the core to
* issue a scic_cb_remote_device_start_complete() notification.
*/
SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATE_AWAIT_COMPLETE,
/**
* This state indicates that the core has received the core's
* scic_cb_remote_device_start_complete() notification.
*/
SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATE_AWAIT_READY,
SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATE_MAX_STATES
} SCIF_SAS_REMOTE_DEVICE_STARTING_SUBSTATES;
/**
* @enum _SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATES
*
* @brief This enumeration depicts all of the substates for the remote
* device READY substate machine.
*/
typedef enum _SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATES
{
/**
* The Operational sub-state indicates that the remote device object
* is capable of receiving and handling all request types.
*/
SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATE_OPERATIONAL,
/**
* This substate indicates that core remote device is not ready.
* As a result, no new IO or Task Management requests are allowed.
*/
SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATE_SUSPENDED,
/**
* This substate indicates that task management to this device is
* ongoing and new IO requests are not allowed.
*/
SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATE_TASK_MGMT,
/**
* This substate indicates that core remote device is not ready due
* to an NCQ error. As a result, no new IO requests are allowed.
*/
SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR,
SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATE_MAX_STATES
} SCIF_SAS_REMOTE_DEVICE_READY_SUBSTATES;
struct SCIF_SAS_REMOTE_DEVICE;
typedef void (*SCIF_SAS_REMOTE_DEVICE_COMPLETION_HANDLER_T)(
struct SCIF_SAS_REMOTE_DEVICE *,
SCI_STATUS
);
typedef void (*SCIF_SAS_REMOTE_DEVICE_HANDLER_T)(
struct SCIF_SAS_REMOTE_DEVICE *
);
typedef void (*SCIF_SAS_REMOTE_DEVICE_NOT_READY_HANDLER_T)(
struct SCIF_SAS_REMOTE_DEVICE *,
U32
);
/**
* @struct SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER
*
* @brief This structure defines the state handler methods for states and
* substates applicable for the framework remote device object.
*/
typedef struct SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER
{
SCI_BASE_REMOTE_DEVICE_STATE_HANDLER_T parent;
SCIF_SAS_REMOTE_DEVICE_COMPLETION_HANDLER_T start_complete_handler;
SCIF_SAS_REMOTE_DEVICE_COMPLETION_HANDLER_T stop_complete_handler;
SCIF_SAS_REMOTE_DEVICE_HANDLER_T ready_handler;
SCIF_SAS_REMOTE_DEVICE_NOT_READY_HANDLER_T not_ready_handler;
SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T start_high_priority_io_handler;
SCI_BASE_REMOTE_DEVICE_HIGH_PRIORITY_REQUEST_COMPLETE_HANDLER_T complete_high_priority_io_handler;
} SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T;
/**
* @struct SCIF_SAS_REMOTE_DEVICE
*
* @brief The SCI SAS Framework remote device object abstracts the SAS remote
* device level behavior for the framework component. Additionally,
* it provides a higher level of abstraction for the core remote
* device object.
*/
typedef struct SCIF_SAS_REMOTE_DEVICE
{
/**
* The SCI_BASE_REMOTE_DEVICE is the parent object for the
* SCIF_SAS_REMOTE_DEVICE object.
*/
SCI_BASE_REMOTE_DEVICE_T parent;
/**
* This field contains the handle for the SCI Core remote device object
* that is managed by this framework controller.
*/
SCI_REMOTE_DEVICE_HANDLE_T core_object;
/**
* This field references the list of state specific handler methods to
* be utilized for this remote device instance.
*/
SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T * state_handlers;
/**
* This field specifies the state machine utilized to manage the
* starting remote device substate machine.
*/
SCI_BASE_STATE_MACHINE_T starting_substate_machine;
/**
* This field specifies the state machine utilized to manage the
* starting remote device substate machine.
*/
SCI_BASE_STATE_MACHINE_T ready_substate_machine;
union
{
/**
* This field specifies the information specific to SATA/STP device
* instances. This field is not utilized for SSP/SMP.
*/
SCIF_SAS_STP_REMOTE_DEVICE_T stp_device;
/**
* This field specifies the information specific to SMP device instances.
* This field is not utilized for SSP/SATA/STP.
*/
SCIF_SAS_SMP_REMOTE_DEVICE_T smp_device;
}protocol_device;
/**
* This field indicates the domain object containing this remote device.
*/
struct SCIF_SAS_DOMAIN * domain;
/**
* This field counts the number of requests (IO and task management)
* that are currently outstanding for this device.
*/
U32 request_count;
/**
* This field counts the number of only task management request that are
* currently outstanding for this device.
*/
U32 task_request_count;
/**
* This field is utilize to store the status value of various operations
* the can be executed on this remote device instance.
*/
SCI_STATUS operation_status;
/**
* This field is utilize to indicate that the remote device should be
* destructed when it finally reaches the stopped state. This will
* include destructing the core remote device as well.
*/
BOOL destruct_when_stopped;
/**
* This field marks a device state of being discovered or not, majorly used
* during re-discover procedure.
*/
BOOL is_currently_discovered;
/**
* This filed stores the expander device this device connected to, only if this
* device is behind expander. So this field also served as a flag to tell if a
* device is a EA one.
*/
struct SCIF_SAS_REMOTE_DEVICE * containing_device;
/**
* This field stores the expander phy identifier for an expander attached
* device. This field is only used by expander attached device.
*/
U8 expander_phy_identifier;
/**
* This field stores the port width for a device. Most devices are narrow port
* device, their port width is 1. If a device is a wide port device, their
* port width is larger than 1.
*/
U8 device_port_width;
/**
* This field stores the destination state for a remote device in UPDATING
* PORT WIDTH state. The possible destination states for a remote device in
* UPDATING_PORT_WIDTH state are READY or STOPPING.
*/
U16 destination_state;
/**
* This field stores the scheduled/delayed EA target reset request.
*/
struct SCIF_SAS_REQUEST * ea_target_reset_request_scheduled;
#ifdef SCI_LOGGING
/**
* This field is the observer of the base state machine for this device
* object.
*/
SCI_BASE_OBSERVER_T base_state_machine_observer;
/**
* This field is the state machine logger of the startig substate machine for
* this device object.
*/
SCI_BASE_STATE_MACHINE_LOGGER_T starting_substate_machine_logger;
/**
* This field is the state machine logger of the ready substate machine for
* this device object.
*/
SCI_BASE_STATE_MACHINE_LOGGER_T ready_substate_machine_logger;
#endif // SCI_LOGGING
} SCIF_SAS_REMOTE_DEVICE_T;
extern SCI_BASE_STATE_T scif_sas_remote_device_state_table[];
extern SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T
scif_sas_remote_device_state_handler_table[];
extern SCI_BASE_STATE_T scif_sas_remote_device_starting_substate_table[];
extern SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T
scif_sas_remote_device_starting_substate_handler_table[];
extern SCI_BASE_STATE_T scif_sas_remote_device_ready_substate_table[];
extern SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T
scif_sas_remote_device_ready_substate_handler_table[];
/**
* @enum
*
* This enumeration is used to define the end destination state for the
* framework remote device.
*/
enum SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE
{
SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_UNSPECIFIED,
SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_READY,
SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING,
SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_UPDATING_PORT_WIDTH
};
//******************************************************************************
//* P R O T E C T E D M E T H O D S
//******************************************************************************
void scif_sas_remote_device_save_report_phy_sata_information(
SMP_RESPONSE_REPORT_PHY_SATA_T * report_phy_sata_response
);
void scif_sas_remote_device_target_reset(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
struct SCIF_SAS_REQUEST * fw_request
);
void scif_sas_remote_device_target_reset_complete(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
struct SCIF_SAS_REQUEST * fw_request,
SCI_STATUS completion_status
);
#ifdef SCI_LOGGING
void scif_sas_remote_device_initialize_state_logging(
SCIF_SAS_REMOTE_DEVICE_T * remote_device
);
void scif_sas_remote_device_deinitialize_state_logging(
SCIF_SAS_REMOTE_DEVICE_T * remote_device
);
#else // SCI_LOGGING
#define scif_sas_remote_device_initialize_state_logging(x)
#define scif_sas_remote_device_deinitialize_state_logging(x)
#endif // SCI_LOGGING
//******************************************************************************
//* R E A D Y O P E R A T I O N A L S T A T E H A N D L E R S
//******************************************************************************
SCI_STATUS scif_sas_remote_device_ready_operational_complete_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
);
SCI_STATUS scif_sas_remote_device_ready_operational_complete_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
);
SCI_STATUS scif_sas_remote_device_ready_task_management_complete_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
);
//******************************************************************************
//* D E F A U L T S T A T E H A N D L E R S
//******************************************************************************
SCI_STATUS scif_sas_remote_device_default_start_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
);
SCI_STATUS scif_sas_remote_device_default_stop_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
);
SCI_STATUS scif_sas_remote_device_default_reset_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
);
SCI_STATUS scif_sas_remote_device_default_reset_complete_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
);
SCI_STATUS scif_sas_remote_device_default_start_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
);
void scif_sas_remote_device_default_start_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
);
void scif_sas_remote_device_default_stop_complete_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
SCI_STATUS completion_status
);
SCI_STATUS scif_sas_remote_device_default_destruct_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device
);
SCI_STATUS scif_sas_remote_device_default_complete_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
);
SCI_STATUS scif_sas_remote_device_default_complete_high_priority_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request,
void * response_data,
SCI_IO_STATUS completion_status
);
SCI_STATUS scif_sas_remote_device_default_continue_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
);
SCI_STATUS scif_sas_remote_device_default_start_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
);
SCI_STATUS scif_sas_remote_device_default_complete_task_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * task_request
);
void scif_sas_remote_device_default_ready_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device
);
void scif_sas_remote_device_default_not_ready_handler(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
U32 reason_code
);
SCI_STATUS scif_sas_remote_device_ready_task_management_start_high_priority_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request
);
SCI_STATUS scif_sas_remote_device_ready_task_management_complete_high_priority_io_handler(
SCI_BASE_REMOTE_DEVICE_T * remote_device,
SCI_BASE_REQUEST_T * io_request,
void * response_data,
SCI_IO_STATUS completion_status
);
#if !defined(DISABLE_WIDE_PORTED_TARGETS)
SCI_STATUS scif_sas_remote_device_update_port_width(
SCIF_SAS_REMOTE_DEVICE_T * fw_device,
U8 new_port_width
);
#else // !defined(DISABLE_WIDE_PORTED_TARGETS)
#define scif_sas_remote_device_update_port_width(device) SCI_FAILURE
#endif //#if !defined(DISABLE_WIDE_PORTED_TARGETS)
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCIF_SAS_REMOTE_DEVICE_H_