2 * Copyright 2018 Advanced Micro Devices, Inc.
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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25 #include "amdgpu_sdma.h"
26 #include "amdgpu_ras.h"
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)
33 * GPU SDMA IP block helpers function.
36 struct amdgpu_sdma_instance *amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring)
38 struct amdgpu_device *adev = ring->adev;
41 for (i = 0; i < adev->sdma.num_instances; i++)
42 if (ring == &adev->sdma.instance[i].ring ||
43 ring == &adev->sdma.instance[i].page)
44 return &adev->sdma.instance[i];
49 int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index)
51 struct amdgpu_device *adev = ring->adev;
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) {
65 uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring,
68 struct amdgpu_device *adev = ring->adev;
73 /* don't enable OS preemption on SDMA under SRIOV */
74 if (amdgpu_sriov_vf(adev) || vmid == 0 || !amdgpu_mcbp)
77 r = amdgpu_sdma_get_index_from_ring(ring, &index);
82 csa_mc_addr = amdgpu_csa_vaddr(adev) +
83 AMDGPU_CSA_SDMA_OFFSET +
84 index * AMDGPU_CSA_SDMA_SIZE;
89 int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
90 struct ras_common_if *ras_block)
94 r = amdgpu_ras_block_late_init(adev, ras_block);
98 if (amdgpu_ras_is_supported(adev, ras_block->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);
110 amdgpu_ras_block_late_fini(adev, ras_block);
114 int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
116 struct amdgpu_iv_entry *entry)
118 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
119 amdgpu_ras_reset_gpu(adev);
121 return AMDGPU_RAS_SUCCESS;
124 int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
125 struct amdgpu_irq_src *source,
126 struct amdgpu_iv_entry *entry)
128 struct ras_common_if *ras_if = adev->sdma.ras_if;
129 struct ras_dispatch_if ih_data = {
136 ih_data.head = *ras_if;
138 amdgpu_ras_interrupt_dispatch(adev, &ih_data);