1/*
2 * Copyright (C) 2019  Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 */
21
22#include "amdgpu.h"
23#include "amdgpu_ras.h"
24
25int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev)
26{
27	int err;
28	struct amdgpu_nbio_ras *ras;
29
30	if (!adev->nbio.ras)
31		return 0;
32
33	ras = adev->nbio.ras;
34	err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
35	if (err) {
36		dev_err(adev->dev, "Failed to register pcie_bif ras block!\n");
37		return err;
38	}
39
40	strcpy(ras->ras_block.ras_comm.name, "pcie_bif");
41	ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__PCIE_BIF;
42	ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
43	adev->nbio.ras_if = &ras->ras_block.ras_comm;
44
45	return 0;
46}
47
48u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev)
49{
50	if (adev->nbio.funcs && adev->nbio.funcs->get_pcie_replay_count)
51		return adev->nbio.funcs->get_pcie_replay_count(adev);
52
53	return 0;
54}
55
56int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
57{
58	int r;
59	r = amdgpu_ras_block_late_init(adev, ras_block);
60	if (r)
61		return r;
62
63	if (amdgpu_ras_is_supported(adev, ras_block->block)) {
64		r = amdgpu_irq_get(adev, &adev->nbio.ras_controller_irq, 0);
65		if (r)
66			goto late_fini;
67		r = amdgpu_irq_get(adev, &adev->nbio.ras_err_event_athub_irq, 0);
68		if (r)
69			goto late_fini;
70	}
71
72	return 0;
73late_fini:
74	amdgpu_ras_block_late_fini(adev, ras_block);
75	return r;
76}
77