linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c

87 lines
3.1 KiB
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"
void amdgpu_vf_error_put(struct amdgpu_device *adev,
uint16_t sub_error_code,
uint16_t error_flags,
uint64_t error_data)
{
int index;
uint16_t error_code;
if (!amdgpu_sriov_vf(adev))
return;
error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code);
mutex_lock(&adev->virt.vf_errors.lock);
index = adev->virt.vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
adev->virt.vf_errors.code [index] = error_code;
adev->virt.vf_errors.flags [index] = error_flags;
adev->virt.vf_errors.data [index] = error_data;
adev->virt.vf_errors.write_count ++;
mutex_unlock(&adev->virt.vf_errors.lock);
}
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;
}
*/
mutex_lock(&adev->virt.vf_errors.lock);
/* The errors are overlay of array, correct read_count as full. */
if (adev->virt.vf_errors.write_count - adev->virt.vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) {
adev->virt.vf_errors.read_count = adev->virt.vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE;
}
while (adev->virt.vf_errors.read_count < adev->virt.vf_errors.write_count) {
index =adev->virt.vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX(adev->virt.vf_errors.code[index],
adev->virt.vf_errors.flags[index]);
data2 = adev->virt.vf_errors.data[index] & 0xFFFFFFFF;
data3 = (adev->virt.vf_errors.data[index] >> 32) & 0xFFFFFFFF;
adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3);
adev->virt.vf_errors.read_count ++;
}
mutex_unlock(&adev->virt.vf_errors.lock);
}