2 * Copyright (C) 2019 Advanced Micro Devices, Inc.
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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)
36 * (addr / 256) * 32768, the higher 26 bits in ErrorAddr
37 * is the index of 8KB block
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)
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))
49 #define LOOP_UMC_NODE_INST(node_inst) \
50 for_each_set_bit((node_inst), &(adev->umc.active_mask), adev->umc.node_inst_num)
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))
56 typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst,
57 uint32_t umc_inst, uint32_t ch_inst, void *data);
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 /* support different eeprom table version for different asic */
68 void (*set_eeprom_table_version)(struct amdgpu_ras_eeprom_table_header *hdr);
71 struct amdgpu_umc_funcs {
72 void (*init_registers)(struct amdgpu_device *adev);
76 /* max error count in one ras query call */
77 uint32_t max_ras_err_cnt_per_query;
78 /* number of umc channel instance with memory map register access */
79 uint32_t channel_inst_num;
80 /* number of umc instance with memory map register access */
81 uint32_t umc_inst_num;
83 /* Total number of umc node instance including harvest one */
84 uint32_t node_inst_num;
86 /* UMC regiser per channel offset */
87 uint32_t channel_offs;
88 /* how many pages are retired in one UE */
90 /* channel index table of interleaved memory */
91 const uint32_t *channel_idx_tbl;
92 struct ras_common_if *ras_if;
94 const struct amdgpu_umc_funcs *funcs;
95 struct amdgpu_umc_ras *ras;
97 /* active mask for umc node instance */
98 unsigned long active_mask;
101 int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev);
102 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
103 int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset);
104 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
105 struct amdgpu_irq_src *source,
106 struct amdgpu_iv_entry *entry);
107 void amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
109 uint64_t retired_page,
110 uint32_t channel_index,
113 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
114 void *ras_error_status,
115 struct amdgpu_iv_entry *entry);
116 int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
117 uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst);
119 int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
120 umc_func func, void *data);