2 * Copyright (C) 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
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
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19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 #ifndef __AMDGPU_UMC_H__
22 #define __AMDGPU_UMC_H__
24 struct amdgpu_umc_funcs {
25 void (*err_cnt_init)(struct amdgpu_device *adev);
26 int (*ras_late_init)(struct amdgpu_device *adev);
27 void (*query_ras_error_count)(struct amdgpu_device *adev,
28 void *ras_error_status);
29 void (*query_ras_error_address)(struct amdgpu_device *adev,
30 void *ras_error_status);
31 void (*init_registers)(struct amdgpu_device *adev);
35 /* max error count in one ras query call */
36 uint32_t max_ras_err_cnt_per_query;
37 /* number of umc channel instance with memory map register access */
38 uint32_t channel_inst_num;
39 /* number of umc instance with memory map register access */
40 uint32_t umc_inst_num;
41 /* UMC regiser per channel offset */
42 uint32_t channel_offs;
43 /* channel index table of interleaved memory */
44 const uint32_t *channel_idx_tbl;
45 struct ras_common_if *ras_if;
47 const struct amdgpu_umc_funcs *funcs;
50 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev);
51 void amdgpu_umc_ras_fini(struct amdgpu_device *adev);
52 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
53 void *ras_error_status,
54 struct amdgpu_iv_entry *entry);
55 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
56 struct amdgpu_irq_src *source,
57 struct amdgpu_iv_entry *entry);