OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c

70 lines
2.3 KiB
C

/*
* Copyright 2019 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_ras.h"
int amdgpu_mmhub_ras_late_init(struct amdgpu_device *adev)
{
int r;
struct ras_ih_if ih_info = {
.cb = NULL,
};
struct ras_fs_if fs_info = {
.sysfs_name = "mmhub_err_count",
};
if (!adev->mmhub.ras_if) {
adev->mmhub.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->mmhub.ras_if)
return -ENOMEM;
adev->mmhub.ras_if->block = AMDGPU_RAS_BLOCK__MMHUB;
adev->mmhub.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->mmhub.ras_if->sub_block_index = 0;
strcpy(adev->mmhub.ras_if->name, "mmhub");
}
ih_info.head = fs_info.head = *adev->mmhub.ras_if;
r = amdgpu_ras_late_init(adev, adev->mmhub.ras_if,
&fs_info, &ih_info);
if (r || !amdgpu_ras_is_supported(adev, adev->mmhub.ras_if->block)) {
kfree(adev->mmhub.ras_if);
adev->mmhub.ras_if = NULL;
}
return r;
}
void amdgpu_mmhub_ras_fini(struct amdgpu_device *adev)
{
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB) &&
adev->mmhub.ras_if) {
struct ras_common_if *ras_if = adev->mmhub.ras_if;
struct ras_ih_if ih_info = {
.cb = NULL,
};
amdgpu_ras_late_fini(adev, ras_if, &ih_info);
kfree(ras_if);
}
}