1 /*
2 * Copyright 2021 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * 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) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23 #include "umc_v6_7.h"
24 #include "amdgpu_ras.h"
25 #include "amdgpu_umc.h"
26 #include "amdgpu.h"
27
28 #include "umc/umc_6_7_0_offset.h"
29 #include "umc/umc_6_7_0_sh_mask.h"
30
31 const uint32_t
32 umc_v6_7_channel_idx_tbl_second[UMC_V6_7_UMC_INSTANCE_NUM][UMC_V6_7_CHANNEL_INSTANCE_NUM] = {
33 {28, 20, 24, 16, 12, 4, 8, 0},
34 {6, 30, 2, 26, 22, 14, 18, 10},
35 {19, 11, 15, 7, 3, 27, 31, 23},
36 {9, 1, 5, 29, 25, 17, 21, 13}
37 };
38 const uint32_t
39 umc_v6_7_channel_idx_tbl_first[UMC_V6_7_UMC_INSTANCE_NUM][UMC_V6_7_CHANNEL_INSTANCE_NUM] = {
40 {19, 11, 15, 7, 3, 27, 31, 23},
41 {9, 1, 5, 29, 25, 17, 21, 13},
42 {28, 20, 24, 16, 12, 4, 8, 0},
43 {6, 30, 2, 26, 22, 14, 18, 10},
44 };
45
get_umc_v6_7_reg_offset(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst)46 static inline uint32_t get_umc_v6_7_reg_offset(struct amdgpu_device *adev,
47 uint32_t umc_inst,
48 uint32_t ch_inst)
49 {
50 uint32_t index = umc_inst * adev->umc.channel_inst_num + ch_inst;
51
52 /* adjust umc and channel index offset,
53 * the register address is not linear on each umc instace */
54 umc_inst = index / 4;
55 ch_inst = index % 4;
56
57 return adev->umc.channel_offs * ch_inst + UMC_V6_7_INST_DIST * umc_inst;
58 }
59
umc_v6_7_query_error_status_helper(struct amdgpu_device * adev,uint64_t mc_umc_status,uint32_t umc_reg_offset)60 static void umc_v6_7_query_error_status_helper(struct amdgpu_device *adev,
61 uint64_t mc_umc_status, uint32_t umc_reg_offset)
62 {
63 uint32_t mc_umc_addr;
64 uint64_t reg_value;
65
66 if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1)
67 dev_info(adev->dev, "Deferred error\n");
68
69 if (mc_umc_status)
70 dev_info(adev->dev, "MCA STATUS 0x%llx, umc_reg_offset 0x%x\n", mc_umc_status, umc_reg_offset);
71
72 /* print IPID registers value */
73 mc_umc_addr =
74 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_IPIDT0);
75 reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
76 if (reg_value)
77 dev_info(adev->dev, "MCA IPID 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
78
79 /* print SYND registers value */
80 mc_umc_addr =
81 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_SYNDT0);
82 reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
83 if (reg_value)
84 dev_info(adev->dev, "MCA SYND 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
85
86 /* print MISC0 registers value */
87 mc_umc_addr =
88 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_MISC0T0);
89 reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
90 if (reg_value)
91 dev_info(adev->dev, "MCA MISC0 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
92 }
93
umc_v6_7_ecc_info_query_correctable_error_count(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst,unsigned long * error_count)94 static void umc_v6_7_ecc_info_query_correctable_error_count(struct amdgpu_device *adev,
95 uint32_t umc_inst, uint32_t ch_inst,
96 unsigned long *error_count)
97 {
98 uint64_t mc_umc_status;
99 uint32_t eccinfo_table_idx;
100 uint32_t umc_reg_offset;
101 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
102
103 umc_reg_offset = get_umc_v6_7_reg_offset(adev,
104 umc_inst, ch_inst);
105
106 eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
107 /* check for SRAM correctable error
108 MCUMC_STATUS is a 64 bit register */
109 mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
110 if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
111 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) {
112 *error_count += 1;
113
114 umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
115
116 if (ras->umc_ecc.record_ce_addr_supported) {
117 uint64_t err_addr, soc_pa;
118 uint32_t channel_index =
119 adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
120
121 err_addr = ras->umc_ecc.ecc[eccinfo_table_idx].mca_ceumc_addr;
122 err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
123 /* translate umc channel address to soc pa, 3 parts are included */
124 soc_pa = ADDR_OF_8KB_BLOCK(err_addr) |
125 ADDR_OF_256B_BLOCK(channel_index) |
126 OFFSET_IN_256B_BLOCK(err_addr);
127
128 /* The umc channel bits are not original values, they are hashed */
129 SET_CHANNEL_HASH(channel_index, soc_pa);
130
131 dev_info(adev->dev, "Error Address(PA): 0x%llx\n", soc_pa);
132 }
133 }
134 }
135
umc_v6_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst,unsigned long * error_count)136 static void umc_v6_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device *adev,
137 uint32_t umc_inst, uint32_t ch_inst,
138 unsigned long *error_count)
139 {
140 uint64_t mc_umc_status;
141 uint32_t eccinfo_table_idx;
142 uint32_t umc_reg_offset;
143 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
144
145 umc_reg_offset = get_umc_v6_7_reg_offset(adev,
146 umc_inst, ch_inst);
147
148 eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
149 /* check the MCUMC_STATUS */
150 mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
151 if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
152 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
153 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
154 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
155 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
156 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1)) {
157 *error_count += 1;
158
159 umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
160 }
161 }
162
umc_v6_7_ecc_info_querry_ecc_error_count(struct amdgpu_device * adev,uint32_t node_inst,uint32_t umc_inst,uint32_t ch_inst,void * data)163 static int umc_v6_7_ecc_info_querry_ecc_error_count(struct amdgpu_device *adev,
164 uint32_t node_inst, uint32_t umc_inst,
165 uint32_t ch_inst, void *data)
166 {
167 struct ras_err_data *err_data = (struct ras_err_data *)data;
168
169 umc_v6_7_ecc_info_query_correctable_error_count(adev,
170 umc_inst, ch_inst,
171 &(err_data->ce_count));
172
173 umc_v6_7_ecc_info_querry_uncorrectable_error_count(adev,
174 umc_inst, ch_inst,
175 &(err_data->ue_count));
176
177 return 0;
178 }
179
umc_v6_7_ecc_info_query_ras_error_count(struct amdgpu_device * adev,void * ras_error_status)180 static void umc_v6_7_ecc_info_query_ras_error_count(struct amdgpu_device *adev,
181 void *ras_error_status)
182 {
183 amdgpu_umc_loop_channels(adev,
184 umc_v6_7_ecc_info_querry_ecc_error_count, ras_error_status);
185 }
186
umc_v6_7_convert_error_address(struct amdgpu_device * adev,struct ras_err_data * err_data,uint64_t err_addr,uint32_t ch_inst,uint32_t umc_inst)187 void umc_v6_7_convert_error_address(struct amdgpu_device *adev,
188 struct ras_err_data *err_data, uint64_t err_addr,
189 uint32_t ch_inst, uint32_t umc_inst)
190 {
191 uint32_t channel_index;
192 uint64_t soc_pa, retired_page, column;
193
194 channel_index =
195 adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
196 /* translate umc channel address to soc pa, 3 parts are included */
197 soc_pa = ADDR_OF_8KB_BLOCK(err_addr) |
198 ADDR_OF_256B_BLOCK(channel_index) |
199 OFFSET_IN_256B_BLOCK(err_addr);
200
201 /* The umc channel bits are not original values, they are hashed */
202 SET_CHANNEL_HASH(channel_index, soc_pa);
203
204 /* clear [C4 C3 C2] in soc physical address */
205 soc_pa &= ~(0x7ULL << UMC_V6_7_PA_C2_BIT);
206
207 /* loop for all possibilities of [C4 C3 C2] */
208 for (column = 0; column < UMC_V6_7_NA_MAP_PA_NUM; column++) {
209 retired_page = soc_pa | (column << UMC_V6_7_PA_C2_BIT);
210 dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
211 amdgpu_umc_fill_error_record(err_data, err_addr,
212 retired_page, channel_index, umc_inst);
213
214 /* shift R14 bit */
215 retired_page ^= (0x1ULL << UMC_V6_7_PA_R14_BIT);
216 dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
217 amdgpu_umc_fill_error_record(err_data, err_addr,
218 retired_page, channel_index, umc_inst);
219 }
220 }
221
umc_v6_7_ecc_info_query_error_address(struct amdgpu_device * adev,uint32_t node_inst,uint32_t umc_inst,uint32_t ch_inst,void * data)222 static int umc_v6_7_ecc_info_query_error_address(struct amdgpu_device *adev,
223 uint32_t node_inst, uint32_t umc_inst,
224 uint32_t ch_inst, void *data)
225 {
226 uint64_t mc_umc_status, err_addr;
227 uint32_t eccinfo_table_idx;
228 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
229 struct ras_err_data *err_data = (struct ras_err_data *)data;
230
231 eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
232 mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
233
234 if (mc_umc_status == 0)
235 return 0;
236
237 if (!err_data->err_addr)
238 return 0;
239
240 /* calculate error address if ue error is detected */
241 if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
242 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
243
244 err_addr = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_addr;
245 err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
246
247 umc_v6_7_convert_error_address(adev, err_data, err_addr,
248 ch_inst, umc_inst);
249 }
250
251 return 0;
252 }
253
umc_v6_7_ecc_info_query_ras_error_address(struct amdgpu_device * adev,void * ras_error_status)254 static void umc_v6_7_ecc_info_query_ras_error_address(struct amdgpu_device *adev,
255 void *ras_error_status)
256 {
257 amdgpu_umc_loop_channels(adev,
258 umc_v6_7_ecc_info_query_error_address, ras_error_status);
259 }
260
umc_v6_7_query_correctable_error_count(struct amdgpu_device * adev,uint32_t umc_reg_offset,unsigned long * error_count,uint32_t ch_inst,uint32_t umc_inst)261 static void umc_v6_7_query_correctable_error_count(struct amdgpu_device *adev,
262 uint32_t umc_reg_offset,
263 unsigned long *error_count,
264 uint32_t ch_inst,
265 uint32_t umc_inst)
266 {
267 uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
268 uint32_t ecc_err_cnt, ecc_err_cnt_addr;
269 uint64_t mc_umc_status;
270 uint32_t mc_umc_status_addr;
271
272 /* UMC 6_1_1 registers */
273 ecc_err_cnt_sel_addr =
274 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccErrCntSel);
275 ecc_err_cnt_addr =
276 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccErrCnt);
277 mc_umc_status_addr =
278 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
279
280 /* select the lower chip and check the error count */
281 ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
282 ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
283 EccErrCntCsSel, 0);
284 WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
285
286 ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
287 *error_count +=
288 (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
289 UMC_V6_7_CE_CNT_INIT);
290
291 /* select the higher chip and check the err counter */
292 ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
293 EccErrCntCsSel, 1);
294 WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
295
296 ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
297 *error_count +=
298 (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
299 UMC_V6_7_CE_CNT_INIT);
300
301 /* check for SRAM correctable error
302 MCUMC_STATUS is a 64 bit register */
303 mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
304 if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
305 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) {
306 *error_count += 1;
307
308 umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
309
310 {
311 uint64_t err_addr, soc_pa;
312 uint32_t mc_umc_addrt0;
313 uint32_t channel_index;
314
315 mc_umc_addrt0 =
316 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_ADDRT0);
317
318 channel_index =
319 adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
320
321 err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
322 err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
323
324 /* translate umc channel address to soc pa, 3 parts are included */
325 soc_pa = ADDR_OF_8KB_BLOCK(err_addr) |
326 ADDR_OF_256B_BLOCK(channel_index) |
327 OFFSET_IN_256B_BLOCK(err_addr);
328
329 /* The umc channel bits are not original values, they are hashed */
330 SET_CHANNEL_HASH(channel_index, soc_pa);
331
332 dev_info(adev->dev, "Error Address(PA): 0x%llx\n", soc_pa);
333 }
334 }
335 }
336
umc_v6_7_querry_uncorrectable_error_count(struct amdgpu_device * adev,uint32_t umc_reg_offset,unsigned long * error_count)337 static void umc_v6_7_querry_uncorrectable_error_count(struct amdgpu_device *adev,
338 uint32_t umc_reg_offset,
339 unsigned long *error_count)
340 {
341 uint64_t mc_umc_status;
342 uint32_t mc_umc_status_addr;
343
344 mc_umc_status_addr =
345 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
346
347 /* check the MCUMC_STATUS */
348 mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
349 if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
350 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
351 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
352 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
353 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
354 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1)) {
355 *error_count += 1;
356
357 umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
358 }
359 }
360
umc_v6_7_reset_error_count_per_channel(struct amdgpu_device * adev,uint32_t node_inst,uint32_t umc_inst,uint32_t ch_inst,void * data)361 static int umc_v6_7_reset_error_count_per_channel(struct amdgpu_device *adev,
362 uint32_t node_inst, uint32_t umc_inst,
363 uint32_t ch_inst, void *data)
364 {
365 uint32_t ecc_err_cnt_addr;
366 uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
367 uint32_t umc_reg_offset =
368 get_umc_v6_7_reg_offset(adev, umc_inst, ch_inst);
369
370 ecc_err_cnt_sel_addr =
371 SOC15_REG_OFFSET(UMC, 0,
372 regUMCCH0_0_EccErrCntSel);
373 ecc_err_cnt_addr =
374 SOC15_REG_OFFSET(UMC, 0,
375 regUMCCH0_0_EccErrCnt);
376
377 /* select the lower chip */
378 ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
379 umc_reg_offset) * 4);
380 ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
381 UMCCH0_0_EccErrCntSel,
382 EccErrCntCsSel, 0);
383 WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
384 ecc_err_cnt_sel);
385
386 /* clear lower chip error count */
387 WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
388 UMC_V6_7_CE_CNT_INIT);
389
390 /* select the higher chip */
391 ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
392 umc_reg_offset) * 4);
393 ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
394 UMCCH0_0_EccErrCntSel,
395 EccErrCntCsSel, 1);
396 WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
397 ecc_err_cnt_sel);
398
399 /* clear higher chip error count */
400 WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
401 UMC_V6_7_CE_CNT_INIT);
402
403 return 0;
404 }
405
umc_v6_7_reset_error_count(struct amdgpu_device * adev)406 static void umc_v6_7_reset_error_count(struct amdgpu_device *adev)
407 {
408 amdgpu_umc_loop_channels(adev,
409 umc_v6_7_reset_error_count_per_channel, NULL);
410 }
411
umc_v6_7_query_ecc_error_count(struct amdgpu_device * adev,uint32_t node_inst,uint32_t umc_inst,uint32_t ch_inst,void * data)412 static int umc_v6_7_query_ecc_error_count(struct amdgpu_device *adev,
413 uint32_t node_inst, uint32_t umc_inst,
414 uint32_t ch_inst, void *data)
415 {
416 struct ras_err_data *err_data = (struct ras_err_data *)data;
417 uint32_t umc_reg_offset =
418 get_umc_v6_7_reg_offset(adev, umc_inst, ch_inst);
419
420 umc_v6_7_query_correctable_error_count(adev,
421 umc_reg_offset,
422 &(err_data->ce_count),
423 ch_inst, umc_inst);
424
425 umc_v6_7_querry_uncorrectable_error_count(adev,
426 umc_reg_offset,
427 &(err_data->ue_count));
428
429 return 0;
430 }
431
umc_v6_7_query_ras_error_count(struct amdgpu_device * adev,void * ras_error_status)432 static void umc_v6_7_query_ras_error_count(struct amdgpu_device *adev,
433 void *ras_error_status)
434 {
435 amdgpu_umc_loop_channels(adev,
436 umc_v6_7_query_ecc_error_count, ras_error_status);
437
438 umc_v6_7_reset_error_count(adev);
439 }
440
umc_v6_7_query_error_address(struct amdgpu_device * adev,uint32_t node_inst,uint32_t umc_inst,uint32_t ch_inst,void * data)441 static int umc_v6_7_query_error_address(struct amdgpu_device *adev,
442 uint32_t node_inst, uint32_t umc_inst,
443 uint32_t ch_inst, void *data)
444 {
445 uint32_t mc_umc_status_addr;
446 uint64_t mc_umc_status = 0, mc_umc_addrt0, err_addr;
447 struct ras_err_data *err_data = (struct ras_err_data *)data;
448 uint32_t umc_reg_offset =
449 get_umc_v6_7_reg_offset(adev, umc_inst, ch_inst);
450
451 mc_umc_status_addr =
452 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
453 mc_umc_addrt0 =
454 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_ADDRT0);
455
456 mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
457
458 if (mc_umc_status == 0)
459 return 0;
460
461 if (!err_data->err_addr) {
462 /* clear umc status */
463 WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
464 return 0;
465 }
466
467 /* calculate error address if ue error is detected */
468 if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
469 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
470 err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
471 err_addr =
472 REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
473
474 umc_v6_7_convert_error_address(adev, err_data, err_addr,
475 ch_inst, umc_inst);
476 }
477
478 /* clear umc status */
479 WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
480
481 return 0;
482 }
483
umc_v6_7_query_ras_error_address(struct amdgpu_device * adev,void * ras_error_status)484 static void umc_v6_7_query_ras_error_address(struct amdgpu_device *adev,
485 void *ras_error_status)
486 {
487 amdgpu_umc_loop_channels(adev,
488 umc_v6_7_query_error_address, ras_error_status);
489 }
490
umc_v6_7_query_ras_poison_mode_per_channel(struct amdgpu_device * adev,uint32_t umc_reg_offset)491 static uint32_t umc_v6_7_query_ras_poison_mode_per_channel(
492 struct amdgpu_device *adev,
493 uint32_t umc_reg_offset)
494 {
495 uint32_t ecc_ctrl_addr, ecc_ctrl;
496
497 ecc_ctrl_addr =
498 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccCtrl);
499 ecc_ctrl = RREG32_PCIE((ecc_ctrl_addr +
500 umc_reg_offset) * 4);
501
502 return REG_GET_FIELD(ecc_ctrl, UMCCH0_0_EccCtrl, UCFatalEn);
503 }
504
umc_v6_7_query_ras_poison_mode(struct amdgpu_device * adev)505 static bool umc_v6_7_query_ras_poison_mode(struct amdgpu_device *adev)
506 {
507 uint32_t umc_reg_offset = 0;
508
509 /* Enabling fatal error in umc instance0 channel0 will be
510 * considered as fatal error mode
511 */
512 umc_reg_offset = get_umc_v6_7_reg_offset(adev, 0, 0);
513 return !umc_v6_7_query_ras_poison_mode_per_channel(adev, umc_reg_offset);
514 }
515
516 const struct amdgpu_ras_block_hw_ops umc_v6_7_ras_hw_ops = {
517 .query_ras_error_count = umc_v6_7_query_ras_error_count,
518 .query_ras_error_address = umc_v6_7_query_ras_error_address,
519 };
520
521 struct amdgpu_umc_ras umc_v6_7_ras = {
522 .ras_block = {
523 .hw_ops = &umc_v6_7_ras_hw_ops,
524 },
525 .query_ras_poison_mode = umc_v6_7_query_ras_poison_mode,
526 .ecc_info_query_ras_error_count = umc_v6_7_ecc_info_query_ras_error_count,
527 .ecc_info_query_ras_error_address = umc_v6_7_ecc_info_query_ras_error_address,
528 };
529