Commit | Line | Data |
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bb7743bc HR |
1 | /* |
2 | * Copyright 2018 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 in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * 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) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | */ | |
fdf2f6c5 | 23 | |
bb7743bc HR |
24 | #include "amdgpu.h" |
25 | #include "amdgpu_sdma.h" | |
bfcf62c2 | 26 | #include "amdgpu_ras.h" |
bb7743bc | 27 | |
ca1eb732 JX |
28 | #define AMDGPU_CSA_SDMA_SIZE 64 |
29 | /* SDMA CSA reside in the 3rd page of CSA */ | |
30 | #define AMDGPU_CSA_SDMA_OFFSET (4096 * 2) | |
31 | ||
bb7743bc HR |
32 | /* |
33 | * GPU SDMA IP block helpers function. | |
34 | */ | |
35 | ||
ccf191f8 | 36 | struct amdgpu_sdma_instance *amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring) |
bb7743bc HR |
37 | { |
38 | struct amdgpu_device *adev = ring->adev; | |
39 | int i; | |
40 | ||
41 | for (i = 0; i < adev->sdma.num_instances; i++) | |
9194a339 CK |
42 | if (ring == &adev->sdma.instance[i].ring || |
43 | ring == &adev->sdma.instance[i].page) | |
44 | return &adev->sdma.instance[i]; | |
bb7743bc | 45 | |
9194a339 | 46 | return NULL; |
bb7743bc | 47 | } |
f6cffc0d RZ |
48 | |
49 | int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index) | |
50 | { | |
51 | struct amdgpu_device *adev = ring->adev; | |
52 | int i; | |
53 | ||
54 | for (i = 0; i < adev->sdma.num_instances; i++) { | |
55 | if (ring == &adev->sdma.instance[i].ring || | |
56 | ring == &adev->sdma.instance[i].page) { | |
57 | *index = i; | |
58 | return 0; | |
59 | } | |
60 | } | |
61 | ||
62 | return -EINVAL; | |
63 | } | |
ca1eb732 JX |
64 | |
65 | uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, | |
66 | unsigned vmid) | |
67 | { | |
68 | struct amdgpu_device *adev = ring->adev; | |
69 | uint64_t csa_mc_addr; | |
70 | uint32_t index = 0; | |
71 | int r; | |
72 | ||
6325b38d ML |
73 | /* don't enable OS preemption on SDMA under SRIOV */ |
74 | if (amdgpu_sriov_vf(adev) || vmid == 0 || !amdgpu_mcbp) | |
ca1eb732 JX |
75 | return 0; |
76 | ||
77 | r = amdgpu_sdma_get_index_from_ring(ring, &index); | |
78 | ||
79 | if (r || index > 31) | |
80 | csa_mc_addr = 0; | |
81 | else | |
82 | csa_mc_addr = amdgpu_csa_vaddr(adev) + | |
83 | AMDGPU_CSA_SDMA_OFFSET + | |
84 | index * AMDGPU_CSA_SDMA_SIZE; | |
85 | ||
86 | return csa_mc_addr; | |
87 | } | |
bfcf62c2 HZ |
88 | |
89 | int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev, | |
4e9b1fa5 | 90 | struct ras_common_if *ras_block) |
bfcf62c2 HZ |
91 | { |
92 | int r, i; | |
bfcf62c2 | 93 | |
683bac6b | 94 | r = amdgpu_ras_block_late_init(adev, adev->sdma.ras_if); |
bfcf62c2 | 95 | if (r) |
683bac6b | 96 | return r; |
bfcf62c2 HZ |
97 | |
98 | if (amdgpu_ras_is_supported(adev, adev->sdma.ras_if->block)) { | |
99 | for (i = 0; i < adev->sdma.num_instances; i++) { | |
100 | r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, | |
101 | AMDGPU_SDMA_IRQ_INSTANCE0 + i); | |
102 | if (r) | |
103 | goto late_fini; | |
104 | } | |
bfcf62c2 HZ |
105 | } |
106 | ||
f3729f7b | 107 | return 0; |
bfcf62c2 HZ |
108 | |
109 | late_fini: | |
683bac6b | 110 | amdgpu_ras_block_late_fini(adev, adev->sdma.ras_if); |
bfcf62c2 HZ |
111 | return r; |
112 | } | |
4c65dd10 | 113 | |
e536c818 TZ |
114 | void amdgpu_sdma_ras_fini(struct amdgpu_device *adev) |
115 | { | |
116 | if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA) && | |
683bac6b | 117 | adev->sdma.ras_if) |
118 | amdgpu_ras_block_late_fini(adev, adev->sdma.ras_if); | |
e536c818 TZ |
119 | } |
120 | ||
4c65dd10 TZ |
121 | int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev, |
122 | void *err_data, | |
123 | struct amdgpu_iv_entry *entry) | |
124 | { | |
125 | kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); | |
61934624 | 126 | amdgpu_ras_reset_gpu(adev); |
4c65dd10 TZ |
127 | |
128 | return AMDGPU_RAS_SUCCESS; | |
129 | } | |
130 | ||
131 | int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev, | |
132 | struct amdgpu_irq_src *source, | |
133 | struct amdgpu_iv_entry *entry) | |
134 | { | |
135 | struct ras_common_if *ras_if = adev->sdma.ras_if; | |
136 | struct ras_dispatch_if ih_data = { | |
137 | .entry = entry, | |
138 | }; | |
139 | ||
140 | if (!ras_if) | |
141 | return 0; | |
142 | ||
143 | ih_data.head = *ras_if; | |
144 | ||
145 | amdgpu_ras_interrupt_dispatch(adev, &ih_data); | |
146 | return 0; | |
147 | } |