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/*
* Copyright (C) 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) 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_nbio_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 = "pcie_bif_err_count",
.debugfs_name = "pcie_bif_err_inject",
};
if (!adev->nbio.ras_if) {
adev->nbio.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->nbio.ras_if)
return -ENOMEM;
adev->nbio.ras_if->block = AMDGPU_RAS_BLOCK__PCIE_BIF;
adev->nbio.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->nbio.ras_if->sub_block_index = 0;
strcpy(adev->nbio.ras_if->name, "pcie_bif");
}
ih_info.head = fs_info.head = *adev->nbio.ras_if;
r = amdgpu_ras_late_init(adev, adev->nbio.ras_if,
&fs_info, &ih_info);
if (r)
goto free;
if (amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
r = amdgpu_irq_get(adev, &adev->nbio.ras_controller_irq, 0);
if (r)
goto late_fini;
r = amdgpu_irq_get(adev, &adev->nbio.ras_err_event_athub_irq, 0);
if (r)
goto late_fini;
} else {
r = 0;
goto free;
}
return 0;
late_fini:
amdgpu_ras_late_fini(adev, adev->nbio.ras_if, &ih_info);
free:
kfree(adev->nbio.ras_if);
adev->nbio.ras_if = NULL;
return r;
}
void amdgpu_nbio_ras_fini(struct amdgpu_device *adev)
{
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__PCIE_BIF) &&
adev->nbio.ras_if) {
struct ras_common_if *ras_if = adev->nbio.ras_if;
struct ras_ih_if ih_info = {
.cb = NULL,
};
amdgpu_ras_late_fini(adev, ras_if, &ih_info);
kfree(ras_if);
}
}
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