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/* * Copyright 2017 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 "amdgpu.h"#include "amdgpu_vf_error.h"#include "mxgpu_ai.h" #define AMDGPU_VF_ERROR_ENTRY_SIZE    16  /* struct error_entry - amdgpu VF error information. */struct amdgpu_vf_error_buffer {	int read_count;	int write_count;	uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];	uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];	uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];}; struct amdgpu_vf_error_buffer admgpu_vf_errors;  void amdgpu_vf_error_put(uint16_t sub_error_code, uint16_t error_flags, uint64_t error_data){	int index;	uint16_t error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code); 	index = admgpu_vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE;	admgpu_vf_errors.code [index] = error_code;	admgpu_vf_errors.flags [index] = error_flags;	admgpu_vf_errors.data [index] = error_data;	admgpu_vf_errors.write_count ++;}  void amdgpu_vf_error_trans_all(struct amdgpu_device *adev){	/* u32 pf2vf_flags = 0; */	u32 data1, data2, data3;	int index; 	if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) || (!adev->virt.ops) || (!adev->virt.ops->trans_msg)) {		return;	}/* 	TODO: Enable these code when pv2vf_info is merged	AMDGPU_FW_VRAM_PF2VF_READ (adev, feature_flags, &pf2vf_flags);	if (!(pf2vf_flags & AMDGIM_FEATURE_ERROR_LOG_COLLECT)) {		return;	}*/	/* The errors are overlay of array, correct read_count as full. */	if (admgpu_vf_errors.write_count - admgpu_vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) {		admgpu_vf_errors.read_count = admgpu_vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE;	} 	while (admgpu_vf_errors.read_count < admgpu_vf_errors.write_count) {		index =admgpu_vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE;		data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX (admgpu_vf_errors.code[index], admgpu_vf_errors.flags[index]);		data2 = admgpu_vf_errors.data[index] & 0xFFFFFFFF;		data3 = (admgpu_vf_errors.data[index] >> 32) & 0xFFFFFFFF; 		adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3);		admgpu_vf_errors.read_count ++;	}}