Release 4.14 drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c
/*
* 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 ++;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gavin Wan | 67 | 100.00% | 1 | 100.00% |
| Total | 67 | 100.00% | 1 | 100.00% |
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 ++;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gavin Wan | 175 | 100.00% | 1 | 100.00% |
| Total | 175 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gavin Wan | 290 | 100.00% | 1 | 100.00% |
| Total | 290 | 100.00% | 1 | 100.00% |
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