2 * Copyright (C) 2019 Advanced Micro Devices, Inc.
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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
17 * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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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"
25 #define UMC_INVALID_ADDR 0x1ULL
28 * (addr / 256) * 4096, the higher 26 bits in ErrorAddr
29 * is the index of 4KB block
31 #define ADDR_OF_4KB_BLOCK(addr) (((addr) & ~0xffULL) << 4)
33 * (addr / 256) * 8192, the higher 26 bits in ErrorAddr
34 * is the index of 8KB block
36 #define ADDR_OF_8KB_BLOCK(addr) (((addr) & ~0xffULL) << 5)
37 /* channel index is the index of 256B block */
38 #define ADDR_OF_256B_BLOCK(channel_index) ((channel_index) << 8)
39 /* offset in 256B block */
40 #define OFFSET_IN_256B_BLOCK(addr) ((addr) & 0xffULL)
42 #define LOOP_UMC_INST(umc_inst) for ((umc_inst) = 0; (umc_inst) < adev->umc.umc_inst_num; (umc_inst)++)
43 #define LOOP_UMC_CH_INST(ch_inst) for ((ch_inst) = 0; (ch_inst) < adev->umc.channel_inst_num; (ch_inst)++)
44 #define LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) LOOP_UMC_INST((umc_inst)) LOOP_UMC_CH_INST((ch_inst))
46 #define LOOP_UMC_NODE_INST(node_inst) \
47 for ((node_inst) = 0; (node_inst) < adev->umc.node_inst_num; (node_inst)++)
49 #define LOOP_UMC_EACH_NODE_INST_AND_CH(node_inst, umc_inst, ch_inst) \
50 LOOP_UMC_NODE_INST((node_inst)) LOOP_UMC_INST_AND_CH((umc_inst), (ch_inst))
52 struct amdgpu_umc_ras {
53 struct amdgpu_ras_block_object ras_block;
54 void (*err_cnt_init)(struct amdgpu_device *adev);
55 bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
56 void (*convert_ras_error_address)(struct amdgpu_device *adev,
57 struct ras_err_data *err_data,
58 uint32_t umc_reg_offset, uint32_t ch_inst,
59 uint32_t umc_inst, uint64_t mca_addr);
60 void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev,
61 void *ras_error_status);
62 void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev,
63 void *ras_error_status);
66 struct amdgpu_umc_funcs {
67 void (*init_registers)(struct amdgpu_device *adev);
71 /* max error count in one ras query call */
72 uint32_t max_ras_err_cnt_per_query;
73 /* number of umc channel instance with memory map register access */
74 uint32_t channel_inst_num;
75 /* number of umc instance with memory map register access */
76 uint32_t umc_inst_num;
78 /*number of umc node instance with memory map register access*/
79 uint32_t node_inst_num;
81 /* UMC regiser per channel offset */
82 uint32_t channel_offs;
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;
91 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
92 int amdgpu_umc_poison_handler(struct amdgpu_device *adev,
93 void *ras_error_status,
95 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
96 struct amdgpu_irq_src *source,
97 struct amdgpu_iv_entry *entry);
98 void amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
100 uint64_t retired_page,
101 uint32_t channel_index,
104 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
105 void *ras_error_status,
106 struct amdgpu_iv_entry *entry);