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"
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 typedef int (*umc_func)(struct amdgpu_device *adev, uint32_t node_inst,
59 uint32_t umc_inst, uint32_t ch_inst, void *data);
61 struct amdgpu_umc_ras {
62 struct amdgpu_ras_block_object ras_block;
63 void (*err_cnt_init)(struct amdgpu_device *adev);
64 bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
65 void (*ecc_info_query_ras_error_count)(struct amdgpu_device *adev,
66 void *ras_error_status);
67 void (*ecc_info_query_ras_error_address)(struct amdgpu_device *adev,
68 void *ras_error_status);
69 bool (*check_ecc_err_status)(struct amdgpu_device *adev,
70 enum amdgpu_mca_error_type type, void *ras_error_status);
71 int (*update_ecc_status)(struct amdgpu_device *adev,
72 uint64_t status, uint64_t ipid, uint64_t addr);
75 struct amdgpu_umc_funcs {
76 void (*init_registers)(struct amdgpu_device *adev);
80 /* max error count in one ras query call */
81 uint32_t max_ras_err_cnt_per_query;
82 /* number of umc channel instance with memory map register access */
83 uint32_t channel_inst_num;
84 /* number of umc instance with memory map register access */
85 uint32_t umc_inst_num;
87 /* Total number of umc node instance including harvest one */
88 uint32_t node_inst_num;
90 /* UMC regiser per channel offset */
91 uint32_t channel_offs;
92 /* how many pages are retired in one UE */
94 /* channel index table of interleaved memory */
95 const uint32_t *channel_idx_tbl;
96 struct ras_common_if *ras_if;
98 const struct amdgpu_umc_funcs *funcs;
99 struct amdgpu_umc_ras *ras;
101 /* active mask for umc node instance */
102 unsigned long active_mask;
105 int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev);
106 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
107 int amdgpu_umc_poison_handler(struct amdgpu_device *adev,
108 enum amdgpu_ras_block block, uint32_t reset);
109 int amdgpu_umc_pasid_poison_handler(struct amdgpu_device *adev,
110 enum amdgpu_ras_block block, uint16_t pasid,
111 pasid_notify pasid_fn, void *data, uint32_t reset);
112 int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev,
113 struct amdgpu_irq_src *source,
114 struct amdgpu_iv_entry *entry);
115 int amdgpu_umc_fill_error_record(struct ras_err_data *err_data,
117 uint64_t retired_page,
118 uint32_t channel_index,
121 int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
122 void *ras_error_status,
123 struct amdgpu_iv_entry *entry);
124 int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev,
125 uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst);
127 int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
128 umc_func func, void *data);
130 int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev,
131 uint64_t status, uint64_t ipid, uint64_t addr);
132 int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev,
133 struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err);
135 void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev,
136 void *ras_error_status);