463 lines
15 KiB
C
463 lines
15 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SCIC_PHY_H_
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#define _SCIC_PHY_H_
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/**
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* @file
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*
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* @brief This file contains all of the interface methods that can be called
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* by an SCIC user on a phy (SAS or SATA) object.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#include <dev/isci/scil/sci_types.h>
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#include <dev/isci/scil/sci_status.h>
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#include <dev/isci/scil/intel_sata.h>
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#include <dev/isci/scil/intel_sas.h>
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/**
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* @struct SCIC_PHY_PROPERTIES
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* @brief This structure defines the properties common to all phys
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* that can be retrieved.
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*/
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typedef struct SCIC_PHY_PROPERTIES
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{
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/**
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* This field specifies the port that currently contains the
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* supplied phy. This field may be set to SCI_INVALID_HANDLE
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* if the phy is not currently contained in a port.
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*/
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SCI_PORT_HANDLE_T owning_port;
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/**
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* This field specifies the maximum link rate for which this phy
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* will negotiate.
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*/
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SCI_SAS_LINK_RATE max_link_rate;
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/**
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* This field specifies the link rate at which the phy is
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* currently operating.
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*/
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SCI_SAS_LINK_RATE negotiated_link_rate;
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/**
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* This field indicates the identify address frame that will be
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* transmitted to the connected phy.
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*/
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SCI_SAS_IDENTIFY_ADDRESS_FRAME_T transmit_iaf;
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/**
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* This field specifies the index of the phy in relation to other
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* phys within the controller. This index is zero relative.
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*/
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U8 index;
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} SCIC_PHY_PROPERTIES_T;
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/**
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* @struct SCIC_SAS_PHY_PROPERTIES
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* @brief This structure defines the properties, specific to a
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* SAS phy, that can be retrieved.
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*/
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typedef struct SCIC_SAS_PHY_PROPERTIES
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{
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/**
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* This field delineates the Identify Address Frame received
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* from the remote end point.
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*/
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SCI_SAS_IDENTIFY_ADDRESS_FRAME_T received_iaf;
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/**
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* This field delineates the Phy capabilities structure received
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* from the remote end point.
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*/
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SAS_CAPABILITIES_T received_capabilities;
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} SCIC_SAS_PHY_PROPERTIES_T;
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/**
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* @struct SCIC_SATA_PHY_PROPERTIES
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* @brief This structure defines the properties, specific to a
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* SATA phy, that can be retrieved.
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*/
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typedef struct SCIC_SATA_PHY_PROPERTIES
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{
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/**
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* This field delineates the signature FIS received from the
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* attached target.
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*/
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SATA_FIS_REG_D2H_T signature_fis;
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/**
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* This field specifies to the user if a port selector is connected
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* on the specified phy.
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*/
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BOOL is_port_selector_present;
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} SCIC_SATA_PHY_PROPERTIES_T;
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/**
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* @enum SCIC_PHY_COUNTER_ID
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* @brief This enumeration depicts the various pieces of optional
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* information that can be retrieved for a specific phy.
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*/
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typedef enum SCIC_PHY_COUNTER_ID
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{
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/**
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* This PHY information field tracks the number of frames received.
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*/
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SCIC_PHY_COUNTER_RECEIVED_FRAME,
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/**
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* This PHY information field tracks the number of frames transmitted.
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*/
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SCIC_PHY_COUNTER_TRANSMITTED_FRAME,
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/**
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* This PHY information field tracks the number of DWORDs received.
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*/
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SCIC_PHY_COUNTER_RECEIVED_FRAME_DWORD,
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/**
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* This PHY information field tracks the number of DWORDs transmitted.
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*/
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SCIC_PHY_COUNTER_TRANSMITTED_FRAME_DWORD,
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/**
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* This PHY information field tracks the number of times DWORD
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* synchronization was lost.
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*/
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SCIC_PHY_COUNTER_LOSS_OF_SYNC_ERROR,
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/**
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* This PHY information field tracks the number of received DWORDs with
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* running disparity errors.
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*/
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SCIC_PHY_COUNTER_RECEIVED_DISPARITY_ERROR,
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/**
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* This PHY information field tracks the number of received frames with a
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* CRC error (not including short or truncated frames).
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*/
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SCIC_PHY_COUNTER_RECEIVED_FRAME_CRC_ERROR,
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/**
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* This PHY information field tracks the number of DONE (ACK/NAK TIMEOUT)
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* primitives received.
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*/
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SCIC_PHY_COUNTER_RECEIVED_DONE_ACK_NAK_TIMEOUT,
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/**
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* This PHY information field tracks the number of DONE (ACK/NAK TIMEOUT)
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* primitives transmitted.
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*/
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SCIC_PHY_COUNTER_TRANSMITTED_DONE_ACK_NAK_TIMEOUT,
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/**
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* This PHY information field tracks the number of times the inactivity
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* timer for connections on the phy has been utilized.
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*/
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SCIC_PHY_COUNTER_INACTIVITY_TIMER_EXPIRED,
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/**
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* This PHY information field tracks the number of DONE (CREDIT TIMEOUT)
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* primitives received.
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*/
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SCIC_PHY_COUNTER_RECEIVED_DONE_CREDIT_TIMEOUT,
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/**
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* This PHY information field tracks the number of DONE (CREDIT TIMEOUT)
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* primitives transmitted.
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*/
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SCIC_PHY_COUNTER_TRANSMITTED_DONE_CREDIT_TIMEOUT,
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/**
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* This PHY information field tracks the number of CREDIT BLOCKED
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* primitives received.
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* @note Depending on remote device implementation, credit blocks
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* may occur regularly.
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*/
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SCIC_PHY_COUNTER_RECEIVED_CREDIT_BLOCKED,
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/**
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* This PHY information field contains the number of short frames
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* received. A short frame is simply a frame smaller then what is
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* allowed by either the SAS or SATA specification.
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*/
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SCIC_PHY_COUNTER_RECEIVED_SHORT_FRAME,
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/**
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* This PHY information field contains the number of frames received after
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* credit has been exhausted.
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*/
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SCIC_PHY_COUNTER_RECEIVED_FRAME_WITHOUT_CREDIT,
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/**
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* This PHY information field contains the number of frames received after
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* a DONE has been received.
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*/
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SCIC_PHY_COUNTER_RECEIVED_FRAME_AFTER_DONE,
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/**
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* This PHY information field contains the number of times the phy
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* failed to achieve DWORD synchronization during speed negotiation.
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*/
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SCIC_PHY_COUNTER_SN_DWORD_SYNC_ERROR
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} SCIC_PHY_COUNTER_ID_T;
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/**
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* @brief This method will enable the user to retrieve information
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* common to all phys, such as: the negotiated link rate,
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* the phy id, etc.
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*
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* @param[in] phy This parameter specifies the phy for which to retrieve
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* the properties.
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* @param[out] properties This parameter specifies the properties
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* structure into which to copy the requested information.
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*
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* @return Indicate if the user specified a valid phy.
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* @retval SCI_SUCCESS This value is returned if the specified phy was valid.
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* @retval SCI_FAILURE_INVALID_PHY This value is returned if the specified phy
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* is not valid. When this value is returned, no data is copied to the
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* properties output parameter.
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*/
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SCI_STATUS scic_phy_get_properties(
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SCI_PHY_HANDLE_T phy,
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SCIC_PHY_PROPERTIES_T * properties
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);
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/**
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* @brief This method will enable the user to retrieve information
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* specific to a SAS phy, such as: the received identify
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* address frame, received phy capabilities, etc.
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*
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* @param[in] phy this parameter specifies the phy for which to
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* retrieve properties.
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* @param[out] properties This parameter specifies the properties
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* structure into which to copy the requested information.
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*
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* @return This method returns an indication as to whether the SAS
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* phy properties were successfully retrieved.
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* @retval SCI_SUCCESS This value is returned if the SAS properties
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* are successfully retrieved.
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* @retval SCI_FAILURE This value is returned if the SAS properties
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* are not successfully retrieved (e.g. It's not a SAS Phy).
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*/
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SCI_STATUS scic_sas_phy_get_properties(
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SCI_PHY_HANDLE_T phy,
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SCIC_SAS_PHY_PROPERTIES_T * properties
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);
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/**
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* @brief This method will enable the user to retrieve information
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* specific to a SATA phy, such as: the received signature
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* FIS, if a port selector is present, etc.
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*
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* @param[in] phy this parameter specifies the phy for which to
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* retrieve properties.
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* @param[out] properties This parameter specifies the properties
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* structure into which to copy the requested information.
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*
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* @return This method returns an indication as to whether the SATA
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* phy properties were successfully retrieved.
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* @retval SCI_SUCCESS This value is returned if the SATA properties
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* are successfully retrieved.
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* @retval SCI_FAILURE This value is returned if the SATA properties
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* are not successfully retrieved (e.g. It's not a SATA Phy).
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*/
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SCI_STATUS scic_sata_phy_get_properties(
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SCI_PHY_HANDLE_T phy,
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SCIC_SATA_PHY_PROPERTIES_T * properties
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);
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/**
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* @brief This method allows the SCIC user to instruct the SCIC
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* implementation to send the SATA port selection signal.
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*
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* @param[in] phy this parameter specifies the phy for which to send
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* the port selection signal.
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*
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* @return An indication of whether the port selection signal was
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* successfully executed.
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* @retval SCI_SUCCESS This value is returned if the port selection signal
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* was successfully transmitted.
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*/
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SCI_STATUS scic_sata_phy_send_port_selection_signal(
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SCI_PHY_HANDLE_T phy
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);
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/**
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* @brief This method requests the SCI implementation to begin tracking
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* information specified by the supplied parameters.
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*
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* @param[in] phy this parameter specifies the phy for which to enable
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* the information type.
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* @param[in] counter_id this parameter specifies the information
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* type to be enabled.
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*
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* @return Indicate if enablement of the information type was successful.
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* @retval SCI_SUCCESS This value is returned if the information type was
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* successfully enabled.
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* @retval SCI_FAILURE_UNSUPPORTED_INFORMATION_FIELD This value is returned
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* if the supplied information type is not supported.
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*/
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SCI_STATUS scic_phy_enable_counter(
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SCI_PHY_HANDLE_T phy,
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SCIC_PHY_COUNTER_ID_T counter_id
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);
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/**
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* @brief This method requests the SCI implementation to stop tracking
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* information specified by the supplied parameters.
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*
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* @param[in] phy this parameter specifies the phy for which to disable
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* the information type.
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* @param[in] counter_id this parameter specifies the information
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* type to be disabled.
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*
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* @return Indicate if disablement of the information type was successful.
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* @retval SCI_SUCCESS This value is returned if the information type was
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* successfully disabled.
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* @retval SCI_FAILURE_UNSUPPORTED_INFORMATION_FIELD This value is returned
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* if the supplied information type is not supported.
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*/
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SCI_STATUS scic_phy_disable_counter(
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SCI_PHY_HANDLE_T phy,
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SCIC_PHY_COUNTER_ID_T counter_id
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);
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/**
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* @brief This method requests the SCI implementation to retrieve
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* tracking information specified by the supplied parameters.
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*
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* @param[in] phy this parameter specifies the phy for which to retrieve
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* the information type.
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* @param[in] counter_id this parameter specifies the information
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* type to be retrieved.
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* @param[out] data this parameter is a 32-bit pointer to a location
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* where the data being retrieved is to be placed.
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*
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* @return Indicate if retrieval of the information type was successful.
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* @retval SCI_SUCCESS This value is returned if the information type was
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* successfully retrieved.
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* @retval SCI_FAILURE_UNSUPPORTED_INFORMATION_FIELD This value is returned
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* if the supplied information type is not supported.
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*/
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SCI_STATUS scic_phy_get_counter(
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SCI_PHY_HANDLE_T phy,
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SCIC_PHY_COUNTER_ID_T counter_id,
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U32 * data
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);
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/**
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* @brief This method requests the SCI implementation to clear (reset)
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* tracking information specified by the supplied parameters.
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*
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* @param[in] phy this parameter specifies the phy for which to clear
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* the information type.
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* @param[in] counter_id this parameter specifies the information
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* type to be cleared.
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*
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* @return Indicate if clearing of the information type was successful.
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* @retval SCI_SUCCESS This value is returned if the information type was
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* successfully cleared.
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* @retval SCI_FAILURE_UNSUPPORTED_INFORMATION_FIELD This value is returned
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* if the supplied information type is not supported.
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*/
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SCI_STATUS scic_phy_clear_counter(
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SCI_PHY_HANDLE_T phy,
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SCIC_PHY_COUNTER_ID_T counter_id
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);
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/**
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* @brief This method will attempt to stop the phy object.
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*
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* @param[in] this_phy
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*
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* @return SCI_STATUS
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* @retval SCI_SUCCESS if the phy is going to stop
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* SCI_INVALID_STATE if the phy is not in a valid state
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* to stop
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*/
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SCI_STATUS scic_phy_stop(
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SCI_PHY_HANDLE_T phy
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);
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/**
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* @brief This method will attempt to start the phy object. This
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* request is only valid when the phy is in the stopped
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* state
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*
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* @param[in] this_phy
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*
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* @return SCI_STATUS
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*/
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SCI_STATUS scic_phy_start(
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SCI_PHY_HANDLE_T phy
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);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // _SCIC_PHY_H_
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