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
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,
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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__
23 #include "amdgpu_ras.h"
24 #include "amdgpu_mca.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))
55 /* Page retirement tag */
56 #define UMC_ECC_NEW_DETECTED_TAG 0x1
58 * a flag to indicate v2 of channel index stored in eeprom
60 * v1 (legacy way): store channel index within a umc instance in eeprom
61 * range in UMC v12: 0 ~ 7
62 * v2: store global channel index in eeprom
63 * range in UMC v12: 0 ~ 127
65 * NOTE: it's better to store it in eeprom_table_record.mem_channel,
66 * but there is only 8 bits in mem_channel, and the channel number may
67 * increase in the future, we decide to save it in
68 * eeprom_table_record.retired_page. retired_page is useless in v2,
69 * we depend on eeprom_table_record.address instead of retired_page in v2.
70 * Only 48 bits are saved on eeprom, use bit 47 here.
72 #define UMC_CHANNEL_IDX_V2 BIT_ULL(47)
74 typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst,
75 uint32_t umc_inst, uint32_t ch_inst, void *data);
77 struct amdgpu_umc_ras {
78 struct amdgpu_ras_block_object ras_block;
79 void (*err_cnt_init)(struct amdgpu_device *adev);
80 bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
81 void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev,
82 void *ras_error_status);
83 void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev,
84 void *ras_error_status);
85 bool (*check_ecc_err_status)(struct amdgpu_device *adev,
86 enum amdgpu_mca_error_type type, void *ras_error_status);
87 int (*update_ecc_status)(struct amdgpu_device *adev,
88 uint64_t status, uint64_t ipid, uint64_t addr);
89 int (*convert_ras_err_addr)(struct amdgpu_device *adev,
90 struct ras_err_data *err_data,
91 struct ta_ras_query_address_input *addr_in,
92 struct ta_ras_query_address_output *addr_out,
94 uint32_t (*get_die_id_from_pa)(struct amdgpu_device *adev,
95 uint64_t mca_addr, uint64_t retired_page);
98 struct amdgpu_umc_funcs {
99 void (*init_registers)(struct amdgpu_device *adev);
103 /* max error count in one ras query call */
104 uint32_t max_ras_err_cnt_per_query;
105 /* number of umc channel instance with memory map register access */
106 uint32_t channel_inst_num;
107 /* number of umc instance with memory map register access */
108 uint32_t umc_inst_num;
110 /* Total number of umc node instance including harvest one */
111 uint32_t node_inst_num;
113 /* UMC regiser per channel offset */
114 uint32_t channel_offs;
115 /* how many pages are retired in one UE */
116 uint32_t retire_unit;
117 /* channel index table of interleaved memory */
118 const uint32_t *channel_idx_tbl;
119 struct ras_common_if *ras_if;
121 const struct amdgpu_umc_funcs *funcs;
122 struct amdgpu_umc_ras *ras;
124 /* active mask for umc node instance */
125 unsigned long active_mask;
128 int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev);
129 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
130 int amdgpu_umc_poison_handler(struct amdgpu_device *adev,
131 enum amdgpu_ras_block block, uint32_t reset);
132 int amdgpu_umc_pasid_poison_handler(struct amdgpu_device *adev,
133 enum amdgpu_ras_block block, uint16_t pasid,
134 pasid_notify pasid_fn, void *data, uint32_t reset);
135 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
136 struct amdgpu_irq_src *source,
137 struct amdgpu_iv_entry *entry);
138 int amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
140 uint64_t retired_page,
141 uint32_t channel_index,
144 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
145 void *ras_error_status,
146 struct amdgpu_iv_entry *entry);
147 int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
148 uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst);
150 int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
151 umc_func func, void *data);
153 int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev,
154 uint64_t status, uint64_t ipid, uint64_t addr);
155 int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev,
156 struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err);
158 void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev,
159 void *ras_error_status);
160 int amdgpu_umc_pages_in_a_row(struct amdgpu_device *adev,
161 struct ras_err_data *err_data, uint64_t pa_addr);
162 int amdgpu_umc_lookup_bad_pages_in_a_row(struct amdgpu_device *adev,
163 uint64_t pa_addr, uint64_t *pfns, int len);
164 int amdgpu_umc_mca_to_addr(struct amdgpu_device *adev,
165 uint64_t err_addr, uint32_t ch, uint32_t umc,
166 uint32_t node, uint32_t socket,
167 struct ta_ras_query_address_output *addr_out, bool dump_addr);