2 * Copyright (C) 2019 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
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15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 #ifndef __AMDGPU_UMC_H__
22 #define __AMDGPU_UMC_H__
23 #include "amdgpu_ras.h"
26 * (addr / 256) * 4096, the higher 26 bits in ErrorAddr
27 * is the index of 4KB block
29 #define ADDR_OF_4KB_BLOCK(addr) (((addr) & ~0xffULL) << 4)
31 * (addr / 256) * 8192, the higher 26 bits in ErrorAddr
32 * is the index of 8KB block
34 #define ADDR_OF_8KB_BLOCK(addr) (((addr) & ~0xffULL) << 5)
35 /* channel index is the index of 256B block */
36 #define ADDR_OF_256B_BLOCK(channel_index) ((channel_index) << 8)
37 /* offset in 256B block */
38 #define OFFSET_IN_256B_BLOCK(addr) ((addr) & 0xffULL)
40 #define LOOP_UMC_INST(umc_inst) for ((umc_inst) = 0; (umc_inst) < adev->umc.umc_inst_num; (umc_inst)++)
41 #define LOOP_UMC_CH_INST(ch_inst) for ((ch_inst) = 0; (ch_inst) < adev->umc.channel_inst_num; (ch_inst)++)
42 #define LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) LOOP_UMC_INST((umc_inst)) LOOP_UMC_CH_INST((ch_inst))
44 #define LOOP_UMC_NODE_INST(node_inst) \
45 for_each_set_bit((node_inst), &(adev->umc.active_mask), adev->umc.node_inst_num)
47 #define LOOP_UMC_EACH_NODE_INST_AND_CH(node_inst, umc_inst, ch_inst) \
48 LOOP_UMC_NODE_INST((node_inst)) LOOP_UMC_INST_AND_CH((umc_inst), (ch_inst))
51 typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst,
52 uint32_t umc_inst, uint32_t ch_inst, void *data);
54 struct amdgpu_umc_ras {
55 struct amdgpu_ras_block_object ras_block;
56 void (*err_cnt_init)(struct amdgpu_device *adev);
57 bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
58 void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev,
59 void *ras_error_status);
60 void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev,
61 void *ras_error_status);
64 struct amdgpu_umc_funcs {
65 void (*init_registers)(struct amdgpu_device *adev);
69 /* max error count in one ras query call */
70 uint32_t max_ras_err_cnt_per_query;
71 /* number of umc channel instance with memory map register access */
72 uint32_t channel_inst_num;
73 /* number of umc instance with memory map register access */
74 uint32_t umc_inst_num;
76 /* Total number of umc node instance including harvest one */
77 uint32_t node_inst_num;
79 /* UMC regiser per channel offset */
80 uint32_t channel_offs;
81 /* how many pages are retired in one UE */
83 /* channel index table of interleaved memory */
84 const uint32_t *channel_idx_tbl;
85 struct ras_common_if *ras_if;
87 const struct amdgpu_umc_funcs *funcs;
88 struct amdgpu_umc_ras *ras;
90 /* active mask for umc node instance */
91 unsigned long active_mask;
94 int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev);
95 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
96 int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset);
97 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
98 struct amdgpu_irq_src *source,
99 struct amdgpu_iv_entry *entry);
100 void amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
102 uint64_t retired_page,
103 uint32_t channel_index,
106 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
107 void *ras_error_status,
108 struct amdgpu_iv_entry *entry);
109 int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
110 uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst);
112 int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
113 umc_func func, void *data);