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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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100 lines
4.0 KiB
C
100 lines
4.0 KiB
C
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/*
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* include/linux/platform_data/mlxcpld-hotplug.h
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* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2016 Vadim Pasternak <vadimp@mellanox.com>
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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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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H
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#define __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H
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/**
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* struct mlxcpld_hotplug_device - I2C device data:
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* @adapter: I2C device adapter;
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* @client: I2C device client;
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* @brdinfo: device board information;
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* @bus: I2C bus, where device is attached;
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*
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* Structure represents I2C hotplug device static data (board topology) and
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* dynamic data (related kernel objects handles).
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*/
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struct mlxcpld_hotplug_device {
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struct i2c_adapter *adapter;
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struct i2c_client *client;
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struct i2c_board_info brdinfo;
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u16 bus;
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};
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/**
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* struct mlxcpld_hotplug_platform_data - device platform data:
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* @top_aggr_offset: offset of top aggregation interrupt register;
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* @top_aggr_mask: top aggregation interrupt common mask;
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* @top_aggr_psu_mask: top aggregation interrupt PSU mask;
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* @psu_reg_offset: offset of PSU interrupt register;
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* @psu_mask: PSU interrupt mask;
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* @psu_count: number of equipped replaceable PSUs;
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* @psu: pointer to PSU devices data array;
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* @top_aggr_pwr_mask: top aggregation interrupt power mask;
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* @pwr_reg_offset: offset of power interrupt register
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* @pwr_mask: power interrupt mask;
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* @pwr_count: number of power sources;
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* @pwr: pointer to power devices data array;
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* @top_aggr_fan_mask: top aggregation interrupt FAN mask;
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* @fan_reg_offset: offset of FAN interrupt register;
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* @fan_mask: FAN interrupt mask;
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* @fan_count: number of equipped replaceable FANs;
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* @fan: pointer to FAN devices data array;
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*
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* Structure represents board platform data, related to system hotplug events,
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* like FAN, PSU, power cable insertion and removing. This data provides the
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* number of hot-pluggable devices and hardware description for event handling.
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*/
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struct mlxcpld_hotplug_platform_data {
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u16 top_aggr_offset;
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u8 top_aggr_mask;
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u8 top_aggr_psu_mask;
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u16 psu_reg_offset;
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u8 psu_mask;
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u8 psu_count;
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struct mlxcpld_hotplug_device *psu;
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u8 top_aggr_pwr_mask;
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u16 pwr_reg_offset;
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u8 pwr_mask;
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u8 pwr_count;
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struct mlxcpld_hotplug_device *pwr;
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u8 top_aggr_fan_mask;
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u16 fan_reg_offset;
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u8 fan_mask;
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u8 fan_count;
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struct mlxcpld_hotplug_device *fan;
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};
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#endif /* __LINUX_PLATFORM_DATA_MLXCPLD_HOTPLUG_H */
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