/*
* Copyright 2018 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*
*/
#include <linux/list.h>
#include "amdgpu.h"
#include "amdgpu_xgmi.h"
#include "amdgpu_ras.h"
#include "soc15.h"
#include "df/df_3_6_offset.h"
#include "xgmi/xgmi_4_0_0_smn.h"
#include "xgmi/xgmi_4_0_0_sh_mask.h"
#include "xgmi/xgmi_6_1_0_sh_mask.h"
#include "wafl/wafl2_4_0_0_smn.h"
#include "wafl/wafl2_4_0_0_sh_mask.h"
#include "amdgpu_reset.h"
#define smnPCS_XGMI3X16_PCS_ERROR_STATUS 0x11a0020c
#define smnPCS_XGMI3X16_PCS_ERROR_NONCORRECTABLE_MASK 0x11a00218
#define smnPCS_GOPX1_PCS_ERROR_STATUS 0x12200210
#define smnPCS_GOPX1_PCS_ERROR_NONCORRECTABLE_MASK 0x12200218
static DEFINE_MUTEX(xgmi_mutex);
#define AMDGPU_MAX_XGMI_DEVICE_PER_HIVE 4
static LIST_HEAD(xgmi_hive_list);
static const int xgmi_pcs_err_status_reg_vg20[] = {
smnXGMI0_PCS_GOPX16_PCS_ERROR_STATUS,
smnXGMI0_PCS_GOPX16_PCS_ERROR_STATUS + 0x100000,
};
static const int wafl_pcs_err_status_reg_vg20[] = {
smnPCS_GOPX1_0_PCS_GOPX1_PCS_ERROR_STATUS