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 | #ifndef __AMDGPU_UMC_H__ |
22 | #define __AMDGPU_UMC_H__ |
23 | #include "amdgpu_ras.h" |
24 | #include "amdgpu_mca.h" |
25 | /* |
26 | * (addr / 256) * 4096, the higher 26 bits in ErrorAddr |
27 | * is the index of 4KB block |
28 | */ |
29 | #define ADDR_OF_4KB_BLOCK(addr) (((addr) & ~0xffULL) << 4) |
30 | /* |
31 | * (addr / 256) * 8192, the higher 26 bits in ErrorAddr |
32 | * is the index of 8KB block |
33 | */ |
34 | #define ADDR_OF_8KB_BLOCK(addr) (((addr) & ~0xffULL) << 5) |
35 | /* |
36 | * (addr / 256) * 32768, the higher 26 bits in ErrorAddr |
37 | * is the index of 8KB block |
38 | */ |
39 | #define ADDR_OF_32KB_BLOCK(addr) (((addr) & ~0xffULL) << 7) |
40 | /* channel index is the index of 256B block */ |
41 | #define ADDR_OF_256B_BLOCK(channel_index) ((channel_index) << 8) |
42 | /* offset in 256B block */ |
43 | #define OFFSET_IN_256B_BLOCK(addr) ((addr) & 0xffULL) |
44 | |
45 | #define LOOP_UMC_INST(umc_inst) for ((umc_inst) = 0; (umc_inst) < adev->umc.umc_inst_num; (umc_inst)++) |
46 | #define LOOP_UMC_CH_INST(ch_inst) for ((ch_inst) = 0; (ch_inst) < adev->umc.channel_inst_num; (ch_inst)++) |
47 | #define LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) LOOP_UMC_INST((umc_inst)) LOOP_UMC_CH_INST((ch_inst)) |
48 | |
49 | #define LOOP_UMC_NODE_INST(node_inst) \ |
50 | for_each_set_bit((node_inst), &(adev->umc.active_mask), adev->umc.node_inst_num) |
51 | |
52 | #define LOOP_UMC_EACH_NODE_INST_AND_CH(node_inst, umc_inst, ch_inst) \ |
53 | LOOP_UMC_NODE_INST((node_inst)) LOOP_UMC_INST_AND_CH((umc_inst), (ch_inst)) |
54 | |
55 | |
56 | typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst, |
57 | uint32_t umc_inst, uint32_t ch_inst, void *data); |
58 | |
59 | struct amdgpu_umc_ras { |
60 | struct amdgpu_ras_block_object ras_block; |
61 | void (*err_cnt_init)(struct amdgpu_device *adev); |
62 | bool (*query_ras_poison_mode)(struct amdgpu_device *adev); |
63 | void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev, |
64 | void *ras_error_status); |
65 | void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev, |
66 | void *ras_error_status); |
67 | bool (*check_ecc_err_status)(struct amdgpu_device *adev, |
68 | enum amdgpu_mca_error_type type, void *ras_error_status); |
69 | /* support different eeprom table version for different asic */ |
70 | void (*set_eeprom_table_version)(struct amdgpu_ras_eeprom_table_header *hdr); |
71 | }; |
72 | |
73 | struct amdgpu_umc_funcs { |
74 | void (*init_registers)(struct amdgpu_device *adev); |
75 | }; |
76 | |
77 | struct amdgpu_umc { |
78 | /* max error count in one ras query call */ |
79 | uint32_t max_ras_err_cnt_per_query; |
80 | /* number of umc channel instance with memory map register access */ |
81 | uint32_t channel_inst_num; |
82 | /* number of umc instance with memory map register access */ |
83 | uint32_t umc_inst_num; |
84 | |
85 | /* Total number of umc node instance including harvest one */ |
86 | uint32_t node_inst_num; |
87 | |
88 | /* UMC regiser per channel offset */ |
89 | uint32_t channel_offs; |
90 | /* how many pages are retired in one UE */ |
91 | uint32_t retire_unit; |
92 | /* channel index table of interleaved memory */ |
93 | const uint32_t *channel_idx_tbl; |
94 | struct ras_common_if *ras_if; |
95 | |
96 | const struct amdgpu_umc_funcs *funcs; |
97 | struct amdgpu_umc_ras *ras; |
98 | |
99 | /* active mask for umc node instance */ |
100 | unsigned long active_mask; |
101 | }; |
102 | |
103 | int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev); |
104 | int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block); |
105 | int amdgpu_umc_poison_handler(struct amdgpu_device *adev, |
106 | enum amdgpu_ras_block block, bool reset); |
107 | int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev, |
108 | struct amdgpu_irq_src *source, |
109 | struct amdgpu_iv_entry *entry); |
110 | void amdgpu_umc_fill_error_record(struct ras_err_data *err_data, |
111 | uint64_t err_addr, |
112 | uint64_t retired_page, |
113 | uint32_t channel_index, |
114 | uint32_t umc_inst); |
115 | |
116 | int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev, |
117 | void *ras_error_status, |
118 | struct amdgpu_iv_entry *entry); |
119 | int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, |
120 | uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst); |
121 | |
122 | int amdgpu_umc_loop_channels(struct amdgpu_device *adev, |
123 | umc_func func, void *data); |
124 | |
125 | int amdgpu_umc_bad_page_polling_timeout(struct amdgpu_device *adev, |
126 | bool reset, uint32_t timeout_ms); |
127 | #endif |
128 | |