forked from Minki/linux
isci: uplevel port infrastructure
* Move port configuration agent implementation * Merge core/scic_sds_port.[ch] into port.[ch] Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
parent
d35bc1bd18
commit
e2f8db509f
@ -1,4 +1,3 @@
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EXTRA_CFLAGS += -Idrivers/scsi/isci/core/ -Idrivers/scsi/isci/
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obj-$(CONFIG_SCSI_ISCI) += isci.o
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isci-objs := init.o phy.o request.o sata.o \
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remote_device.o port.o timers.o \
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@ -10,5 +9,4 @@ isci-objs := init.o phy.o request.o sata.o \
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stp_request.o \
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ssp_request.o \
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smp_request.o \
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core/scic_sds_port.o \
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core/scic_sds_port_configuration_agent.o \
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port_config.o \
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@ -1,249 +0,0 @@
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/*
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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
|
||||
* 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.
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||||
*
|
||||
* 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.
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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
|
||||
* are met:
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||||
*
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* 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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* * Neither the name of Intel Corporation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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
|
||||
* 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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#ifndef _SCIC_SDS_USER_PARAMETERS_H_
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#define _SCIC_SDS_USER_PARAMETERS_H_
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#include "probe_roms.h"
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struct scic_sds_controller;
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/**
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*
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*
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* SCIC_SDS_PARM_PHY_SPEED These constants define the speeds utilized for a
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* phy/port.
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*/
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#define SCIC_SDS_PARM_NO_SPEED 0
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/**
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*
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*
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* This value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
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*/
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#define SCIC_SDS_PARM_GEN1_SPEED 1
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/**
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*
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*
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* This value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
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*/
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#define SCIC_SDS_PARM_GEN2_SPEED 2
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/**
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*
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*
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* This value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
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*/
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#define SCIC_SDS_PARM_GEN3_SPEED 3
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/**
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*
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*
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* For range checks, the max speed generation
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*/
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#define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED
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/**
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* struct scic_sds_user_parameters - This structure delineates the various user
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* parameters that can be changed by the core user.
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*
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*
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*/
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struct scic_sds_user_parameters {
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struct sci_phy_user_params {
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/**
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* This field specifies the NOTIFY (ENABLE SPIN UP) primitive
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* insertion frequency for this phy index.
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*/
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u32 notify_enable_spin_up_insertion_frequency;
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/**
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* This method specifies the number of transmitted DWORDs within which
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* to transmit a single ALIGN primitive. This value applies regardless
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* of what type of device is attached or connection state. A value of
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* 0 indicates that no ALIGN primitives will be inserted.
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*/
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u16 align_insertion_frequency;
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/**
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* This method specifies the number of transmitted DWORDs within which
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* to transmit 2 ALIGN primitives. This applies for SAS connections
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* only. A minimum value of 3 is required for this field.
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*/
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u16 in_connection_align_insertion_frequency;
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/**
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* This field indicates the maximum speed generation to be utilized
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* by phys in the supplied port.
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* - A value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
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* - A value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
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* - A value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
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*/
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u8 max_speed_generation;
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} phys[SCI_MAX_PHYS];
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/**
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* This field specifies the maximum number of direct attached devices
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* that can have power supplied to them simultaneously.
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*/
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u8 max_number_concurrent_device_spin_up;
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/**
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* This field specifies the number of seconds to allow a phy to consume
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* power before yielding to another phy.
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*
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*/
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u8 phy_spin_up_delay_interval;
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/**
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* These timer values specifies how long a link will remain open with no
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* activity in increments of a microsecond, it can be in increments of
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* 100 microseconds if the upper most bit is set.
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*
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*/
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u16 stp_inactivity_timeout;
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u16 ssp_inactivity_timeout;
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/**
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* These timer values specifies how long a link will remain open in increments
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* of 100 microseconds.
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*
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*/
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u16 stp_max_occupancy_timeout;
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u16 ssp_max_occupancy_timeout;
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/**
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* This timer value specifies how long a link will remain open with no
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* outbound traffic in increments of a microsecond.
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*
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*/
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u8 no_outbound_task_timeout;
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};
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/**
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* This structure/union specifies the various different user parameter sets
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* available. Each type is specific to a hardware controller version.
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*
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* union scic_user_parameters
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*/
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union scic_user_parameters {
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/**
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* This field specifies the user parameters specific to the
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* Storage Controller Unit (SCU) Driver Standard (SDS) version
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* 1.
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*/
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struct scic_sds_user_parameters sds1;
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};
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/**
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*
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*
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* SCIC_SDS_OEM_PHY_MASK These constants define the valid values for phy_mask
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*/
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/**
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*
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*
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* This is the min value assignable to a port's phy mask
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*/
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#define SCIC_SDS_PARM_PHY_MASK_MIN 0x0
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/**
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*
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*
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* This is the max value assignable to a port's phy mask
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*/
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#define SCIC_SDS_PARM_PHY_MASK_MAX 0xF
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#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4
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/**
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* This structure/union specifies the various different OEM parameter sets
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* available. Each type is specific to a hardware controller version.
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*
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* union scic_oem_parameters
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*/
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union scic_oem_parameters {
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/**
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* This field specifies the OEM parameters specific to the
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* Storage Controller Unit (SCU) Driver Standard (SDS) version
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* 1.
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*/
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struct scic_sds_oem_params sds1;
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};
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int scic_oem_parameters_validate(struct scic_sds_oem_params *oem);
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/**
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* scic_oem_parameters_get() - This method allows the user to retreive the OEM
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* parameters utilized by the controller.
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* @controller: This parameter specifies the controller on which to set the
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* user parameters.
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* @oem_parameters: This parameter specifies the OEM parameters object in which
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* to write the core's OEM parameters.
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*
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*/
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void scic_oem_parameters_get(
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struct scic_sds_controller *controller,
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union scic_oem_parameters *oem_parameters);
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#endif /* _SCIC_SDS_USER_PARAMETERS_H_ */
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@ -1,97 +0,0 @@
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/*
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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
|
||||
* 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.
|
||||
* * Neither the name of Intel Corporation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* 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.
|
||||
*/
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#ifndef _SCIC_PORT_H_
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#define _SCIC_PORT_H_
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#include "isci.h"
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#include "sas.h"
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#include "phy.h"
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struct scic_sds_port;
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enum scic_port_not_ready_reason_code {
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SCIC_PORT_NOT_READY_NO_ACTIVE_PHYS,
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SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED,
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SCIC_PORT_NOT_READY_INVALID_PORT_CONFIGURATION,
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SCIC_PORT_NOT_READY_RECONFIGURING,
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SCIC_PORT_NOT_READY_REASON_CODE_MAX
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};
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struct scic_port_end_point_properties {
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struct sci_sas_address sas_address;
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struct scic_phy_proto protocols;
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};
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struct scic_port_properties {
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u32 index;
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struct scic_port_end_point_properties local;
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struct scic_port_end_point_properties remote;
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u32 phy_mask;
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};
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enum sci_status scic_port_get_properties(
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struct scic_sds_port *port,
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struct scic_port_properties *properties);
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enum sci_status scic_port_hard_reset(
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struct scic_sds_port *port,
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u32 reset_timeout);
|
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|
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void scic_port_enable_broadcast_change_notification(
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struct scic_sds_port *port);
|
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|
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#endif /* _SCIC_PORT_H_ */
|
File diff suppressed because it is too large
Load Diff
@ -1,435 +0,0 @@
|
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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.
|
||||
* * Neither the name of Intel Corporation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef _SCIC_SDS_PORT_H_
|
||||
#define _SCIC_SDS_PORT_H_
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include "isci.h"
|
||||
#include "sas.h"
|
||||
#include "registers.h"
|
||||
#include "state_machine.h"
|
||||
|
||||
struct scic_sds_controller;
|
||||
struct scic_sds_phy;
|
||||
struct scic_sds_remote_device;
|
||||
struct scic_sds_request;
|
||||
|
||||
#define SCIC_SDS_DUMMY_PORT 0xFF
|
||||
|
||||
/**
|
||||
* enum SCIC_SDS_PORT_READY_SUBSTATES -
|
||||
*
|
||||
* This enumeration depicts all of the states for the core port ready substate
|
||||
* machine.
|
||||
*/
|
||||
enum scic_sds_port_ready_substates {
|
||||
/**
|
||||
* The substate where the port is started and ready but has no
|
||||
* active phys.
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_WAITING,
|
||||
|
||||
/**
|
||||
* The substate where the port is started and ready and there is
|
||||
* at least one phy operational.
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL,
|
||||
|
||||
/**
|
||||
* The substate where the port is started and there was an
|
||||
* add/remove phy event. This state is only used in Automatic
|
||||
* Port Configuration Mode (APC)
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING,
|
||||
|
||||
SCIC_SDS_PORT_READY_MAX_SUBSTATES
|
||||
};
|
||||
|
||||
/**
|
||||
* enum scic_sds_port_states - This enumeration depicts all the states for the
|
||||
* common port state machine.
|
||||
*
|
||||
*
|
||||
*/
|
||||
enum scic_sds_port_states {
|
||||
/**
|
||||
* This state indicates that the port has successfully been stopped.
|
||||
* In this state no new IO operations are permitted.
|
||||
* This state is entered from the STOPPING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_STOPPED,
|
||||
|
||||
/**
|
||||
* This state indicates that the port is in the process of stopping.
|
||||
* In this state no new IO operations are permitted, but existing IO
|
||||
* operations are allowed to complete.
|
||||
* This state is entered from the READY state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_STOPPING,
|
||||
|
||||
/**
|
||||
* This state indicates the port is now ready. Thus, the user is
|
||||
* able to perform IO operations on this port.
|
||||
* This state is entered from the STARTING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_READY,
|
||||
|
||||
/**
|
||||
* This state indicates the port is in the process of performing a hard
|
||||
* reset. Thus, the user is unable to perform IO operations on this
|
||||
* port.
|
||||
* This state is entered from the READY state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_RESETTING,
|
||||
|
||||
/**
|
||||
* This state indicates the port has failed a reset request. This state
|
||||
* is entered when a port reset request times out.
|
||||
* This state is entered from the RESETTING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_FAILED,
|
||||
|
||||
SCI_BASE_PORT_MAX_STATES
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* struct scic_sds_port
|
||||
*
|
||||
* The core port object provides the the abstraction for an SCU port.
|
||||
*/
|
||||
struct scic_sds_port {
|
||||
|
||||
/**
|
||||
* This field contains the information for the base port state machine.
|
||||
*/
|
||||
struct sci_base_state_machine state_machine;
|
||||
|
||||
/**
|
||||
* This field is the port index that is reported to the SCI USER.
|
||||
* This allows the actual hardware physical port to change without
|
||||
* the SCI USER getting a different answer for the get port index.
|
||||
*/
|
||||
u8 logical_port_index;
|
||||
|
||||
/**
|
||||
* This field is the port index used to program the SCU hardware.
|
||||
*/
|
||||
u8 physical_port_index;
|
||||
|
||||
/**
|
||||
* This field contains the active phy mask for the port.
|
||||
* This mask is used in conjunction with the phy state to determine
|
||||
* which phy to select for some port operations.
|
||||
*/
|
||||
u8 active_phy_mask;
|
||||
|
||||
u16 reserved_rni;
|
||||
u16 reserved_tci;
|
||||
|
||||
/**
|
||||
* This field contains the count of the io requests started on this port
|
||||
* object. It is used to control controller shutdown.
|
||||
*/
|
||||
u32 started_request_count;
|
||||
|
||||
/**
|
||||
* This field contains the number of devices assigned to this port.
|
||||
* It is used to control port start requests.
|
||||
*/
|
||||
u32 assigned_device_count;
|
||||
|
||||
/**
|
||||
* This field contains the reason for the port not going ready. It is
|
||||
* assigned in the state handlers and used in the state transition.
|
||||
*/
|
||||
u32 not_ready_reason;
|
||||
|
||||
/**
|
||||
* This field is the table of phys assigned to the port.
|
||||
*/
|
||||
struct scic_sds_phy *phy_table[SCI_MAX_PHYS];
|
||||
|
||||
/**
|
||||
* This field is a pointer back to the controller that owns this
|
||||
* port object.
|
||||
*/
|
||||
struct scic_sds_controller *owning_controller;
|
||||
|
||||
/**
|
||||
* This field contains the port start/stop timer handle.
|
||||
*/
|
||||
void *timer_handle;
|
||||
|
||||
/**
|
||||
* This field points to the current set of state handlers for this port
|
||||
* object. These state handlers are assigned at each enter state of
|
||||
* the state machine.
|
||||
*/
|
||||
struct scic_sds_port_state_handler *state_handlers;
|
||||
|
||||
/**
|
||||
* This field is the ready substate machine for the port.
|
||||
*/
|
||||
struct sci_base_state_machine ready_substate_machine;
|
||||
|
||||
/* / Memory mapped hardware register space */
|
||||
|
||||
/**
|
||||
* This field is the pointer to the port task scheduler registers
|
||||
* for the SCU hardware.
|
||||
*/
|
||||
struct scu_port_task_scheduler_registers __iomem
|
||||
*port_task_scheduler_registers;
|
||||
|
||||
/**
|
||||
* This field is identical for all port objects and points to the port
|
||||
* task scheduler group PE configuration registers.
|
||||
* It is used to assign PEs to a port.
|
||||
*/
|
||||
u32 __iomem *port_pe_configuration_register;
|
||||
|
||||
/**
|
||||
* This field is the VIIT register space for ths port object.
|
||||
*/
|
||||
struct scu_viit_entry __iomem *viit_registers;
|
||||
|
||||
};
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_handler_t)(struct scic_sds_port *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_phy_handler_t)(struct scic_sds_port *,
|
||||
struct scic_sds_phy *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_reset_handler_t)(struct scic_sds_port *,
|
||||
u32 timeout);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_event_handler_t)(struct scic_sds_port *, u32);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_frame_handler_t)(struct scic_sds_port *, u32);
|
||||
|
||||
typedef void (*scic_sds_port_link_handler_t)(struct scic_sds_port *, struct scic_sds_phy *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_io_request_handler_t)(struct scic_sds_port *,
|
||||
struct scic_sds_remote_device *,
|
||||
struct scic_sds_request *);
|
||||
|
||||
struct scic_sds_port_state_handler {
|
||||
/**
|
||||
* The start_handler specifies the method invoked when a user
|
||||
* attempts to start a port.
|
||||
*/
|
||||
scic_sds_port_handler_t start_handler;
|
||||
|
||||
/**
|
||||
* The stop_handler specifies the method invoked when a user
|
||||
* attempts to stop a port.
|
||||
*/
|
||||
scic_sds_port_handler_t stop_handler;
|
||||
|
||||
/**
|
||||
* The destruct_handler specifies the method invoked when attempting to
|
||||
* destruct a port.
|
||||
*/
|
||||
scic_sds_port_handler_t destruct_handler;
|
||||
|
||||
/**
|
||||
* The reset_handler specifies the method invoked when a user
|
||||
* attempts to hard reset a port.
|
||||
*/
|
||||
scic_sds_port_reset_handler_t reset_handler;
|
||||
|
||||
/**
|
||||
* The add_phy_handler specifies the method invoked when a user
|
||||
* attempts to add another phy into the port.
|
||||
*/
|
||||
scic_sds_port_phy_handler_t add_phy_handler;
|
||||
|
||||
/**
|
||||
* The remove_phy_handler specifies the method invoked when a user
|
||||
* attempts to remove a phy from the port.
|
||||
*/
|
||||
scic_sds_port_phy_handler_t remove_phy_handler;
|
||||
|
||||
scic_sds_port_frame_handler_t frame_handler;
|
||||
scic_sds_port_event_handler_t event_handler;
|
||||
|
||||
scic_sds_port_link_handler_t link_up_handler;
|
||||
scic_sds_port_link_handler_t link_down_handler;
|
||||
|
||||
scic_sds_port_io_request_handler_t start_io_handler;
|
||||
scic_sds_port_io_request_handler_t complete_io_handler;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* scic_sds_port_get_controller() -
|
||||
*
|
||||
* Helper macro to get the owning controller of this port
|
||||
*/
|
||||
#define scic_sds_port_get_controller(this_port) \
|
||||
((this_port)->owning_controller)
|
||||
|
||||
/**
|
||||
* scic_sds_port_set_base_state_handlers() -
|
||||
*
|
||||
* This macro will change the state handlers to those of the specified state id
|
||||
*/
|
||||
#define scic_sds_port_set_base_state_handlers(this_port, state_id) \
|
||||
scic_sds_port_set_state_handlers(\
|
||||
(this_port), &scic_sds_port_state_handler_table[(state_id)])
|
||||
|
||||
/**
|
||||
* scic_sds_port_set_state_handlers() -
|
||||
*
|
||||
* Helper macro to set the port object state handlers
|
||||
*/
|
||||
#define scic_sds_port_set_state_handlers(this_port, handlers) \
|
||||
((this_port)->state_handlers = (handlers))
|
||||
|
||||
/**
|
||||
* scic_sds_port_get_index() -
|
||||
*
|
||||
* This macro returns the physical port index for this port object
|
||||
*/
|
||||
#define scic_sds_port_get_index(this_port) \
|
||||
((this_port)->physical_port_index)
|
||||
|
||||
|
||||
static inline void scic_sds_port_decrement_request_count(struct scic_sds_port *sci_port)
|
||||
{
|
||||
if (WARN_ONCE(sci_port->started_request_count == 0,
|
||||
"%s: tried to decrement started_request_count past 0!?",
|
||||
__func__))
|
||||
/* pass */;
|
||||
else
|
||||
sci_port->started_request_count--;
|
||||
}
|
||||
|
||||
#define scic_sds_port_active_phy(port, phy) \
|
||||
(((port)->active_phy_mask & (1 << (phy)->phy_index)) != 0)
|
||||
|
||||
void scic_sds_port_construct(
|
||||
struct scic_sds_port *sci_port,
|
||||
u8 port_index,
|
||||
struct scic_sds_controller *scic);
|
||||
|
||||
enum sci_status scic_sds_port_initialize(
|
||||
struct scic_sds_port *sci_port,
|
||||
void __iomem *port_task_scheduler_registers,
|
||||
void __iomem *port_configuration_regsiter,
|
||||
void __iomem *viit_registers);
|
||||
|
||||
enum sci_status scic_sds_port_add_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
enum sci_status scic_sds_port_remove_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_setup_transports(
|
||||
struct scic_sds_port *sci_port,
|
||||
u32 device_id);
|
||||
|
||||
|
||||
void scic_sds_port_deactivate_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy,
|
||||
bool do_notify_user);
|
||||
|
||||
bool scic_sds_port_link_detected(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_link_up(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_link_down(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
enum sci_status scic_sds_port_start_io(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_remote_device *sci_dev,
|
||||
struct scic_sds_request *sci_req);
|
||||
|
||||
enum sci_status scic_sds_port_complete_io(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_remote_device *sci_dev,
|
||||
struct scic_sds_request *sci_req);
|
||||
|
||||
enum sas_linkrate scic_sds_port_get_max_allowed_speed(
|
||||
struct scic_sds_port *sci_port);
|
||||
|
||||
void scic_sds_port_broadcast_change_received(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
bool scic_sds_port_is_valid_phy_assignment(
|
||||
struct scic_sds_port *sci_port,
|
||||
u32 phy_index);
|
||||
|
||||
void scic_sds_port_get_sas_address(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct sci_sas_address *sas_address);
|
||||
|
||||
void scic_sds_port_get_attached_sas_address(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct sci_sas_address *sas_address);
|
||||
|
||||
#endif /* _SCIC_SDS_PORT_H_ */
|
@ -1,107 +0,0 @@
|
||||
/*
|
||||
* 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.
|
||||
* * Neither the name of Intel Corporation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_
|
||||
#define _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_
|
||||
|
||||
/**
|
||||
* This file contains the structures, constants and prototypes used for the
|
||||
* core controller automatic port configuration engine.
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#include "scic_sds_port.h"
|
||||
|
||||
struct scic_sds_controller;
|
||||
struct scic_sds_port_configuration_agent;
|
||||
struct scic_sds_port;
|
||||
struct scic_sds_phy;
|
||||
|
||||
typedef void (*scic_sds_port_configuration_agent_phy_handler_t)(
|
||||
struct scic_sds_controller *,
|
||||
struct scic_sds_port_configuration_agent *,
|
||||
struct scic_sds_port *,
|
||||
struct scic_sds_phy *
|
||||
);
|
||||
|
||||
struct SCIC_SDS_PORT_RANGE {
|
||||
u8 min_index;
|
||||
u8 max_index;
|
||||
};
|
||||
|
||||
struct scic_sds_port_configuration_agent {
|
||||
u16 phy_configured_mask;
|
||||
u16 phy_ready_mask;
|
||||
|
||||
struct SCIC_SDS_PORT_RANGE phy_valid_port_range[SCI_MAX_PHYS];
|
||||
|
||||
bool timer_pending;
|
||||
|
||||
scic_sds_port_configuration_agent_phy_handler_t link_up_handler;
|
||||
scic_sds_port_configuration_agent_phy_handler_t link_down_handler;
|
||||
|
||||
void *timer;
|
||||
|
||||
};
|
||||
|
||||
void scic_sds_port_configuration_agent_construct(
|
||||
struct scic_sds_port_configuration_agent *port_agent);
|
||||
|
||||
enum sci_status scic_sds_port_configuration_agent_initialize(
|
||||
struct scic_sds_controller *controller,
|
||||
struct scic_sds_port_configuration_agent *port_agent);
|
||||
|
||||
#endif /* _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_ */
|
@ -61,7 +61,6 @@
|
||||
#include "probe_roms.h"
|
||||
#include "remote_device.h"
|
||||
#include "request.h"
|
||||
#include "scic_sds_port_configuration_agent.h"
|
||||
#include "scu_completion_codes.h"
|
||||
#include "scu_event_codes.h"
|
||||
#include "registers.h"
|
||||
|
@ -55,7 +55,6 @@
|
||||
#ifndef _SCI_HOST_H_
|
||||
#define _SCI_HOST_H_
|
||||
|
||||
#include "scic_config_parameters.h"
|
||||
#include "remote_device.h"
|
||||
#include "phy.h"
|
||||
#include "pool.h"
|
||||
@ -64,11 +63,12 @@
|
||||
#include "registers.h"
|
||||
#include "scu_unsolicited_frame.h"
|
||||
#include "unsolicited_frame_control.h"
|
||||
#include "scic_sds_port_configuration_agent.h"
|
||||
#include "probe_roms.h"
|
||||
|
||||
struct scic_sds_request;
|
||||
struct scu_task_context;
|
||||
|
||||
|
||||
/**
|
||||
* struct scic_power_control -
|
||||
*
|
||||
@ -107,6 +107,24 @@ struct scic_power_control {
|
||||
|
||||
};
|
||||
|
||||
struct scic_sds_port_configuration_agent;
|
||||
typedef void (*port_config_fn)(struct scic_sds_controller *,
|
||||
struct scic_sds_port_configuration_agent *,
|
||||
struct scic_sds_port *, struct scic_sds_phy *);
|
||||
|
||||
struct scic_sds_port_configuration_agent {
|
||||
u16 phy_configured_mask;
|
||||
u16 phy_ready_mask;
|
||||
struct {
|
||||
u8 min_index;
|
||||
u8 max_index;
|
||||
} phy_valid_port_range[SCI_MAX_PHYS];
|
||||
bool timer_pending;
|
||||
port_config_fn link_up_handler;
|
||||
port_config_fn link_down_handler;
|
||||
void *timer;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct scic_sds_controller -
|
||||
*
|
||||
@ -800,4 +818,11 @@ u16 scic_controller_allocate_io_tag(
|
||||
enum sci_status scic_controller_free_io_tag(
|
||||
struct scic_sds_controller *scic,
|
||||
u16 io_tag);
|
||||
|
||||
void scic_sds_port_configuration_agent_construct(
|
||||
struct scic_sds_port_configuration_agent *port_agent);
|
||||
|
||||
enum sci_status scic_sds_port_configuration_agent_initialize(
|
||||
struct scic_sds_controller *controller,
|
||||
struct scic_sds_port_configuration_agent *port_agent);
|
||||
#endif
|
||||
|
@ -57,9 +57,8 @@
|
||||
#include "host.h"
|
||||
#include "phy.h"
|
||||
#include "scu_event_codes.h"
|
||||
#include "scic_port.h"
|
||||
#include "scic_config_parameters.h"
|
||||
#include "timers.h"
|
||||
#include "probe_roms.h"
|
||||
|
||||
/* Maximum arbitration wait time in micro-seconds */
|
||||
#define SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME (700)
|
||||
|
@ -58,6 +58,7 @@
|
||||
#include <scsi/sas.h>
|
||||
#include <scsi/libsas.h>
|
||||
#include "state_machine.h"
|
||||
#include "sas.h"
|
||||
|
||||
/* This is the timeout value for the SATA phy to wait for a SIGNATURE FIS
|
||||
* before restarting the starting state machine. Technically, the old parallel
|
||||
|
File diff suppressed because it is too large
Load Diff
@ -58,7 +58,10 @@
|
||||
|
||||
#include <scsi/libsas.h>
|
||||
#include "isci.h"
|
||||
#include "scic_sds_port.h"
|
||||
#include "sas.h"
|
||||
#include "phy.h"
|
||||
|
||||
#define SCIC_SDS_DUMMY_PORT 0xFF
|
||||
|
||||
struct isci_phy;
|
||||
struct isci_host;
|
||||
@ -72,6 +75,111 @@ enum isci_status {
|
||||
isci_stopped = 0x05,
|
||||
};
|
||||
|
||||
/**
|
||||
* struct scic_sds_port
|
||||
*
|
||||
* The core port object provides the the abstraction for an SCU port.
|
||||
*/
|
||||
struct scic_sds_port {
|
||||
|
||||
/**
|
||||
* This field contains the information for the base port state machine.
|
||||
*/
|
||||
struct sci_base_state_machine state_machine;
|
||||
|
||||
/**
|
||||
* This field is the port index that is reported to the SCI USER.
|
||||
* This allows the actual hardware physical port to change without
|
||||
* the SCI USER getting a different answer for the get port index.
|
||||
*/
|
||||
u8 logical_port_index;
|
||||
|
||||
/**
|
||||
* This field is the port index used to program the SCU hardware.
|
||||
*/
|
||||
u8 physical_port_index;
|
||||
|
||||
/**
|
||||
* This field contains the active phy mask for the port.
|
||||
* This mask is used in conjunction with the phy state to determine
|
||||
* which phy to select for some port operations.
|
||||
*/
|
||||
u8 active_phy_mask;
|
||||
|
||||
u16 reserved_rni;
|
||||
u16 reserved_tci;
|
||||
|
||||
/**
|
||||
* This field contains the count of the io requests started on this port
|
||||
* object. It is used to control controller shutdown.
|
||||
*/
|
||||
u32 started_request_count;
|
||||
|
||||
/**
|
||||
* This field contains the number of devices assigned to this port.
|
||||
* It is used to control port start requests.
|
||||
*/
|
||||
u32 assigned_device_count;
|
||||
|
||||
/**
|
||||
* This field contains the reason for the port not going ready. It is
|
||||
* assigned in the state handlers and used in the state transition.
|
||||
*/
|
||||
u32 not_ready_reason;
|
||||
|
||||
/**
|
||||
* This field is the table of phys assigned to the port.
|
||||
*/
|
||||
struct scic_sds_phy *phy_table[SCI_MAX_PHYS];
|
||||
|
||||
/**
|
||||
* This field is a pointer back to the controller that owns this
|
||||
* port object.
|
||||
*/
|
||||
struct scic_sds_controller *owning_controller;
|
||||
|
||||
/**
|
||||
* This field contains the port start/stop timer handle.
|
||||
*/
|
||||
void *timer_handle;
|
||||
|
||||
/**
|
||||
* This field points to the current set of state handlers for this port
|
||||
* object. These state handlers are assigned at each enter state of
|
||||
* the state machine.
|
||||
*/
|
||||
struct scic_sds_port_state_handler *state_handlers;
|
||||
|
||||
/**
|
||||
* This field is the ready substate machine for the port.
|
||||
*/
|
||||
struct sci_base_state_machine ready_substate_machine;
|
||||
|
||||
/* / Memory mapped hardware register space */
|
||||
|
||||
/**
|
||||
* This field is the pointer to the port task scheduler registers
|
||||
* for the SCU hardware.
|
||||
*/
|
||||
struct scu_port_task_scheduler_registers __iomem
|
||||
*port_task_scheduler_registers;
|
||||
|
||||
/**
|
||||
* This field is identical for all port objects and points to the port
|
||||
* task scheduler group PE configuration registers.
|
||||
* It is used to assign PEs to a port.
|
||||
*/
|
||||
u32 __iomem *port_pe_configuration_register;
|
||||
|
||||
/**
|
||||
* This field is the VIIT register space for ths port object.
|
||||
*/
|
||||
struct scu_viit_entry __iomem *viit_registers;
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* struct isci_port - This class represents the port object used to internally
|
||||
* represent libsas port objects. It also keeps a list of remote device
|
||||
@ -99,54 +207,301 @@ static inline struct isci_port *sci_port_to_iport(struct scic_sds_port *sci_port
|
||||
return iport;
|
||||
}
|
||||
|
||||
enum scic_port_not_ready_reason_code {
|
||||
SCIC_PORT_NOT_READY_NO_ACTIVE_PHYS,
|
||||
SCIC_PORT_NOT_READY_HARD_RESET_REQUESTED,
|
||||
SCIC_PORT_NOT_READY_INVALID_PORT_CONFIGURATION,
|
||||
SCIC_PORT_NOT_READY_RECONFIGURING,
|
||||
|
||||
SCIC_PORT_NOT_READY_REASON_CODE_MAX
|
||||
};
|
||||
|
||||
struct scic_port_end_point_properties {
|
||||
struct sci_sas_address sas_address;
|
||||
struct scic_phy_proto protocols;
|
||||
};
|
||||
|
||||
struct scic_port_properties {
|
||||
u32 index;
|
||||
struct scic_port_end_point_properties local;
|
||||
struct scic_port_end_point_properties remote;
|
||||
u32 phy_mask;
|
||||
};
|
||||
|
||||
/**
|
||||
* enum SCIC_SDS_PORT_READY_SUBSTATES -
|
||||
*
|
||||
* This enumeration depicts all of the states for the core port ready substate
|
||||
* machine.
|
||||
*/
|
||||
enum scic_sds_port_ready_substates {
|
||||
/**
|
||||
* The substate where the port is started and ready but has no
|
||||
* active phys.
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_WAITING,
|
||||
|
||||
/**
|
||||
* The substate where the port is started and ready and there is
|
||||
* at least one phy operational.
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_OPERATIONAL,
|
||||
|
||||
/**
|
||||
* The substate where the port is started and there was an
|
||||
* add/remove phy event. This state is only used in Automatic
|
||||
* Port Configuration Mode (APC)
|
||||
*/
|
||||
SCIC_SDS_PORT_READY_SUBSTATE_CONFIGURING,
|
||||
|
||||
SCIC_SDS_PORT_READY_MAX_SUBSTATES
|
||||
};
|
||||
|
||||
/**
|
||||
* enum scic_sds_port_states - This enumeration depicts all the states for the
|
||||
* common port state machine.
|
||||
*
|
||||
*
|
||||
*/
|
||||
enum scic_sds_port_states {
|
||||
/**
|
||||
* This state indicates that the port has successfully been stopped.
|
||||
* In this state no new IO operations are permitted.
|
||||
* This state is entered from the STOPPING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_STOPPED,
|
||||
|
||||
/**
|
||||
* This state indicates that the port is in the process of stopping.
|
||||
* In this state no new IO operations are permitted, but existing IO
|
||||
* operations are allowed to complete.
|
||||
* This state is entered from the READY state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_STOPPING,
|
||||
|
||||
/**
|
||||
* This state indicates the port is now ready. Thus, the user is
|
||||
* able to perform IO operations on this port.
|
||||
* This state is entered from the STARTING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_READY,
|
||||
|
||||
/**
|
||||
* This state indicates the port is in the process of performing a hard
|
||||
* reset. Thus, the user is unable to perform IO operations on this
|
||||
* port.
|
||||
* This state is entered from the READY state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_RESETTING,
|
||||
|
||||
/**
|
||||
* This state indicates the port has failed a reset request. This state
|
||||
* is entered when a port reset request times out.
|
||||
* This state is entered from the RESETTING state.
|
||||
*/
|
||||
SCI_BASE_PORT_STATE_FAILED,
|
||||
|
||||
SCI_BASE_PORT_MAX_STATES
|
||||
|
||||
};
|
||||
|
||||
struct scic_sds_remote_device;
|
||||
struct scic_sds_request;
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_handler_t)(struct scic_sds_port *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_phy_handler_t)(struct scic_sds_port *,
|
||||
struct scic_sds_phy *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_reset_handler_t)(struct scic_sds_port *,
|
||||
u32 timeout);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_event_handler_t)(struct scic_sds_port *, u32);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_frame_handler_t)(struct scic_sds_port *, u32);
|
||||
|
||||
typedef void (*scic_sds_port_link_handler_t)(struct scic_sds_port *, struct scic_sds_phy *);
|
||||
|
||||
typedef enum sci_status (*scic_sds_port_io_request_handler_t)(struct scic_sds_port *,
|
||||
struct scic_sds_remote_device *,
|
||||
struct scic_sds_request *);
|
||||
|
||||
struct scic_sds_port_state_handler {
|
||||
/**
|
||||
* The start_handler specifies the method invoked when a user
|
||||
* attempts to start a port.
|
||||
*/
|
||||
scic_sds_port_handler_t start_handler;
|
||||
|
||||
/**
|
||||
* The stop_handler specifies the method invoked when a user
|
||||
* attempts to stop a port.
|
||||
*/
|
||||
scic_sds_port_handler_t stop_handler;
|
||||
|
||||
/**
|
||||
* The destruct_handler specifies the method invoked when attempting to
|
||||
* destruct a port.
|
||||
*/
|
||||
scic_sds_port_handler_t destruct_handler;
|
||||
|
||||
/**
|
||||
* The reset_handler specifies the method invoked when a user
|
||||
* attempts to hard reset a port.
|
||||
*/
|
||||
scic_sds_port_reset_handler_t reset_handler;
|
||||
|
||||
/**
|
||||
* The add_phy_handler specifies the method invoked when a user
|
||||
* attempts to add another phy into the port.
|
||||
*/
|
||||
scic_sds_port_phy_handler_t add_phy_handler;
|
||||
|
||||
/**
|
||||
* The remove_phy_handler specifies the method invoked when a user
|
||||
* attempts to remove a phy from the port.
|
||||
*/
|
||||
scic_sds_port_phy_handler_t remove_phy_handler;
|
||||
|
||||
scic_sds_port_frame_handler_t frame_handler;
|
||||
scic_sds_port_event_handler_t event_handler;
|
||||
|
||||
scic_sds_port_link_handler_t link_up_handler;
|
||||
scic_sds_port_link_handler_t link_down_handler;
|
||||
|
||||
scic_sds_port_io_request_handler_t start_io_handler;
|
||||
scic_sds_port_io_request_handler_t complete_io_handler;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* scic_sds_port_get_controller() -
|
||||
*
|
||||
* Helper macro to get the owning controller of this port
|
||||
*/
|
||||
#define scic_sds_port_get_controller(this_port) \
|
||||
((this_port)->owning_controller)
|
||||
|
||||
/**
|
||||
* scic_sds_port_set_base_state_handlers() -
|
||||
*
|
||||
* This macro will change the state handlers to those of the specified state id
|
||||
*/
|
||||
#define scic_sds_port_set_base_state_handlers(this_port, state_id) \
|
||||
scic_sds_port_set_state_handlers(\
|
||||
(this_port), &scic_sds_port_state_handler_table[(state_id)])
|
||||
|
||||
/**
|
||||
* scic_sds_port_set_state_handlers() -
|
||||
*
|
||||
* Helper macro to set the port object state handlers
|
||||
*/
|
||||
#define scic_sds_port_set_state_handlers(this_port, handlers) \
|
||||
((this_port)->state_handlers = (handlers))
|
||||
|
||||
/**
|
||||
* scic_sds_port_get_index() -
|
||||
*
|
||||
* This macro returns the physical port index for this port object
|
||||
*/
|
||||
#define scic_sds_port_get_index(this_port) \
|
||||
((this_port)->physical_port_index)
|
||||
|
||||
|
||||
static inline void scic_sds_port_decrement_request_count(struct scic_sds_port *sci_port)
|
||||
{
|
||||
if (WARN_ONCE(sci_port->started_request_count == 0,
|
||||
"%s: tried to decrement started_request_count past 0!?",
|
||||
__func__))
|
||||
/* pass */;
|
||||
else
|
||||
sci_port->started_request_count--;
|
||||
}
|
||||
|
||||
#define scic_sds_port_active_phy(port, phy) \
|
||||
(((port)->active_phy_mask & (1 << (phy)->phy_index)) != 0)
|
||||
|
||||
void scic_sds_port_construct(
|
||||
struct scic_sds_port *sci_port,
|
||||
u8 port_index,
|
||||
struct scic_sds_controller *scic);
|
||||
|
||||
enum sci_status scic_sds_port_initialize(
|
||||
struct scic_sds_port *sci_port,
|
||||
void __iomem *port_task_scheduler_registers,
|
||||
void __iomem *port_configuration_regsiter,
|
||||
void __iomem *viit_registers);
|
||||
|
||||
enum sci_status scic_sds_port_add_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
enum sci_status scic_sds_port_remove_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_setup_transports(
|
||||
struct scic_sds_port *sci_port,
|
||||
u32 device_id);
|
||||
|
||||
|
||||
void scic_sds_port_deactivate_phy(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy,
|
||||
bool do_notify_user);
|
||||
|
||||
bool scic_sds_port_link_detected(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_link_up(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
void scic_sds_port_link_down(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
enum sci_status scic_sds_port_start_io(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_remote_device *sci_dev,
|
||||
struct scic_sds_request *sci_req);
|
||||
|
||||
enum sci_status scic_sds_port_complete_io(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_remote_device *sci_dev,
|
||||
struct scic_sds_request *sci_req);
|
||||
|
||||
enum sas_linkrate scic_sds_port_get_max_allowed_speed(
|
||||
struct scic_sds_port *sci_port);
|
||||
|
||||
void scic_sds_port_broadcast_change_received(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct scic_sds_phy *sci_phy);
|
||||
|
||||
bool scic_sds_port_is_valid_phy_assignment(
|
||||
struct scic_sds_port *sci_port,
|
||||
u32 phy_index);
|
||||
|
||||
void scic_sds_port_get_sas_address(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct sci_sas_address *sas_address);
|
||||
|
||||
void scic_sds_port_get_attached_sas_address(
|
||||
struct scic_sds_port *sci_port,
|
||||
struct sci_sas_address *sas_address);
|
||||
|
||||
enum isci_status isci_port_get_state(
|
||||
struct isci_port *isci_port);
|
||||
|
||||
void isci_port_formed(
|
||||
struct asd_sas_phy *);
|
||||
|
||||
void isci_port_deformed(
|
||||
struct asd_sas_phy *);
|
||||
|
||||
void isci_port_bc_change_received(
|
||||
struct isci_host *isci_host,
|
||||
struct scic_sds_port *port,
|
||||
struct scic_sds_phy *phy);
|
||||
|
||||
void isci_port_link_up(
|
||||
struct isci_host *isci_host,
|
||||
struct scic_sds_port *port,
|
||||
struct scic_sds_phy *phy);
|
||||
|
||||
void isci_port_link_down(
|
||||
struct isci_host *isci_host,
|
||||
struct isci_phy *isci_phy,
|
||||
struct isci_port *port);
|
||||
|
||||
void isci_port_ready(
|
||||
struct isci_host *isci_host,
|
||||
struct isci_port *isci_port);
|
||||
|
||||
void isci_port_not_ready(
|
||||
struct isci_host *isci_host,
|
||||
struct isci_port *port);
|
||||
void isci_port_formed(struct asd_sas_phy *);
|
||||
void isci_port_deformed(struct asd_sas_phy *);
|
||||
|
||||
void isci_port_init(
|
||||
struct isci_port *port,
|
||||
struct isci_host *host,
|
||||
int index);
|
||||
|
||||
void isci_port_hard_reset_complete(
|
||||
struct isci_port *isci_port,
|
||||
enum sci_status completion_status);
|
||||
|
||||
int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *iport,
|
||||
struct isci_phy *iphy);
|
||||
|
||||
void isci_port_stop_complete(
|
||||
struct scic_sds_controller *scic,
|
||||
struct scic_sds_port *sci_port,
|
||||
enum sci_status completion_status);
|
||||
|
||||
#endif /* !defined(_ISCI_PORT_H_) */
|
||||
|
||||
|
@ -54,7 +54,6 @@
|
||||
*/
|
||||
|
||||
#include "host.h"
|
||||
#include "scic_sds_port_configuration_agent.h"
|
||||
#include "timers.h"
|
||||
|
||||
#define SCIC_SDS_MPC_RECONFIGURATION_TIMEOUT (10)
|
@ -60,15 +60,117 @@
|
||||
#include <linux/pci.h>
|
||||
#include "isci.h"
|
||||
|
||||
struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
|
||||
#define SCIC_SDS_PARM_NO_SPEED 0
|
||||
|
||||
/* generation 1 (i.e. 1.5 Gb/s) */
|
||||
#define SCIC_SDS_PARM_GEN1_SPEED 1
|
||||
|
||||
/* generation 2 (i.e. 3.0 Gb/s) */
|
||||
#define SCIC_SDS_PARM_GEN2_SPEED 2
|
||||
|
||||
/* generation 3 (i.e. 6.0 Gb/s) */
|
||||
#define SCIC_SDS_PARM_GEN3_SPEED 3
|
||||
#define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED
|
||||
|
||||
/* parameters that can be set by module parameters */
|
||||
struct scic_sds_user_parameters {
|
||||
struct sci_phy_user_params {
|
||||
/**
|
||||
* This field specifies the NOTIFY (ENABLE SPIN UP) primitive
|
||||
* insertion frequency for this phy index.
|
||||
*/
|
||||
u32 notify_enable_spin_up_insertion_frequency;
|
||||
|
||||
/**
|
||||
* This method specifies the number of transmitted DWORDs within which
|
||||
* to transmit a single ALIGN primitive. This value applies regardless
|
||||
* of what type of device is attached or connection state. A value of
|
||||
* 0 indicates that no ALIGN primitives will be inserted.
|
||||
*/
|
||||
u16 align_insertion_frequency;
|
||||
|
||||
/**
|
||||
* This method specifies the number of transmitted DWORDs within which
|
||||
* to transmit 2 ALIGN primitives. This applies for SAS connections
|
||||
* only. A minimum value of 3 is required for this field.
|
||||
*/
|
||||
u16 in_connection_align_insertion_frequency;
|
||||
|
||||
/**
|
||||
* This field indicates the maximum speed generation to be utilized
|
||||
* by phys in the supplied port.
|
||||
* - A value of 1 indicates generation 1 (i.e. 1.5 Gb/s).
|
||||
* - A value of 2 indicates generation 2 (i.e. 3.0 Gb/s).
|
||||
* - A value of 3 indicates generation 3 (i.e. 6.0 Gb/s).
|
||||
*/
|
||||
u8 max_speed_generation;
|
||||
|
||||
} phys[SCI_MAX_PHYS];
|
||||
|
||||
/**
|
||||
* This field specifies the maximum number of direct attached devices
|
||||
* that can have power supplied to them simultaneously.
|
||||
*/
|
||||
u8 max_number_concurrent_device_spin_up;
|
||||
|
||||
/**
|
||||
* This field specifies the number of seconds to allow a phy to consume
|
||||
* power before yielding to another phy.
|
||||
*
|
||||
*/
|
||||
u8 phy_spin_up_delay_interval;
|
||||
|
||||
/**
|
||||
* These timer values specifies how long a link will remain open with no
|
||||
* activity in increments of a microsecond, it can be in increments of
|
||||
* 100 microseconds if the upper most bit is set.
|
||||
*
|
||||
*/
|
||||
u16 stp_inactivity_timeout;
|
||||
u16 ssp_inactivity_timeout;
|
||||
|
||||
/**
|
||||
* These timer values specifies how long a link will remain open in increments
|
||||
* of 100 microseconds.
|
||||
*
|
||||
*/
|
||||
u16 stp_max_occupancy_timeout;
|
||||
u16 ssp_max_occupancy_timeout;
|
||||
|
||||
/**
|
||||
* This timer value specifies how long a link will remain open with no
|
||||
* outbound traffic in increments of a microsecond.
|
||||
*
|
||||
*/
|
||||
u8 no_outbound_task_timeout;
|
||||
|
||||
};
|
||||
|
||||
/* XXX kill this union */
|
||||
union scic_user_parameters {
|
||||
/**
|
||||
* This field specifies the user parameters specific to the
|
||||
* Storage Controller Unit (SCU) Driver Standard (SDS) version
|
||||
* 1.
|
||||
*/
|
||||
struct scic_sds_user_parameters sds1;
|
||||
};
|
||||
|
||||
#define SCIC_SDS_PARM_PHY_MASK_MIN 0x0
|
||||
#define SCIC_SDS_PARM_PHY_MASK_MAX 0xF
|
||||
#define MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT 4
|
||||
|
||||
struct scic_sds_oem_params;
|
||||
int scic_oem_parameters_validate(struct scic_sds_oem_params *oem);
|
||||
|
||||
union scic_oem_parameters;
|
||||
struct isci_orom;
|
||||
void scic_oem_parameters_get(struct scic_sds_controller *scic,
|
||||
union scic_oem_parameters *oem);
|
||||
|
||||
enum sci_status isci_parse_oem_parameters(
|
||||
union scic_oem_parameters *oem_params,
|
||||
struct isci_orom *orom,
|
||||
int scu_index);
|
||||
struct isci_orom;
|
||||
struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
|
||||
enum sci_status isci_parse_oem_parameters(union scic_oem_parameters *oem,
|
||||
struct isci_orom *orom, int scu_index);
|
||||
struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmware *fw);
|
||||
struct isci_orom *isci_get_efi_var(struct pci_dev *pdev);
|
||||
|
||||
@ -153,6 +255,16 @@ struct scic_sds_oem_params {
|
||||
} phys[SCI_MAX_PHYS];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/* XXX kill this union */
|
||||
union scic_oem_parameters {
|
||||
/**
|
||||
* This field specifies the OEM parameters specific to the
|
||||
* Storage Controller Unit (SCU) Driver Standard (SDS) version
|
||||
* 1.
|
||||
*/
|
||||
struct scic_sds_oem_params sds1;
|
||||
};
|
||||
|
||||
struct isci_orom {
|
||||
struct sci_bios_oem_param_block_hdr hdr;
|
||||
struct scic_sds_oem_params ctrl[SCI_MAX_CONTROLLERS];
|
||||
|
@ -57,8 +57,6 @@
|
||||
#include "port.h"
|
||||
#include "remote_device.h"
|
||||
#include "request.h"
|
||||
#include "scic_port.h"
|
||||
#include "scic_sds_port.h"
|
||||
#include "remote_node_context.h"
|
||||
#include "scu_event_codes.h"
|
||||
#include "task.h"
|
||||
|
@ -55,7 +55,6 @@
|
||||
|
||||
#include "host.h"
|
||||
#include "state_machine.h"
|
||||
#include "scic_sds_port.h"
|
||||
#include "remote_device.h"
|
||||
#include "remote_node_context.h"
|
||||
#include "scu_event_codes.h"
|
||||
|
@ -54,7 +54,6 @@
|
||||
*/
|
||||
|
||||
#include "isci.h"
|
||||
#include "scic_port.h"
|
||||
#include "task.h"
|
||||
#include "request.h"
|
||||
#include "sata.h"
|
||||
|
Loading…
Reference in New Issue
Block a user