1/*
2 * Copyright 2023 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_v12_0.h"
24#include "amdgpu_ras.h"
25#include "amdgpu_umc.h"
26#include "amdgpu.h"
27#include "umc/umc_12_0_0_offset.h"
28#include "umc/umc_12_0_0_sh_mask.h"
29#include "mp/mp_13_0_6_sh_mask.h"
30
31const uint32_t
32 umc_v12_0_channel_idx_tbl[]
33 [UMC_V12_0_UMC_INSTANCE_NUM]
34 [UMC_V12_0_CHANNEL_INSTANCE_NUM] = {
35 {{3, 7, 11, 15, 2, 6, 10, 14}, {1, 5, 9, 13, 0, 4, 8, 12},
36 {19, 23, 27, 31, 18, 22, 26, 30}, {17, 21, 25, 29, 16, 20, 24, 28}},
37 {{47, 43, 39, 35, 46, 42, 38, 34}, {45, 41, 37, 33, 44, 40, 36, 32},
38 {63, 59, 55, 51, 62, 58, 54, 50}, {61, 57, 53, 49, 60, 56, 52, 48}},
39 {{79, 75, 71, 67, 78, 74, 70, 66}, {77, 73, 69, 65, 76, 72, 68, 64},
40 {95, 91, 87, 83, 94, 90, 86, 82}, {93, 89, 85, 81, 92, 88, 84, 80}},
41 {{99, 103, 107, 111, 98, 102, 106, 110}, {97, 101, 105, 109, 96, 100, 104, 108},
42 {115, 119, 123, 127, 114, 118, 122, 126}, {113, 117, 121, 125, 112, 116, 120, 124}}
43 };
44
45/* mapping of MCA error address to normalized address */
46static const uint32_t umc_v12_0_ma2na_mapping[] = {
47 0, 5, 6, 8, 9, 14, 12, 13,
48 10, 11, 15, 16, 17, 18, 19, 20,
49 21, 22, 23, 24, 25, 26, 27, 28,
50 24, 7, 29, 30,
51};
52
53static inline uint64_t get_umc_v12_0_reg_offset(struct amdgpu_device *adev,
54 uint32_t node_inst,
55 uint32_t umc_inst,
56 uint32_t ch_inst)
57{
58 uint32_t index = umc_inst * adev->umc.channel_inst_num + ch_inst;
59 uint64_t cross_node_offset = (node_inst == 0) ? 0 : UMC_V12_0_CROSS_NODE_OFFSET;
60
61 umc_inst = index / 4;
62 ch_inst = index % 4;
63
64 return adev->umc.channel_offs * ch_inst + UMC_V12_0_INST_DIST * umc_inst +
65 UMC_V12_0_NODE_DIST * node_inst + cross_node_offset;
66}
67
68static int umc_v12_0_reset_error_count_per_channel(struct amdgpu_device *adev,
69 uint32_t node_inst, uint32_t umc_inst,
70 uint32_t ch_inst, void *data)
71{
72 uint64_t odecc_err_cnt_addr;
73 uint64_t umc_reg_offset =
74 get_umc_v12_0_reg_offset(adev, node_inst, umc_inst, ch_inst);
75
76 odecc_err_cnt_addr =
77 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_OdEccErrCnt);
78
79 /* clear error count */
80 WREG32_PCIE_EXT((odecc_err_cnt_addr + umc_reg_offset) * 4,
81 UMC_V12_0_CE_CNT_INIT);
82
83 return 0;
84}
85
86static void umc_v12_0_reset_error_count(struct amdgpu_device *adev)
87{
88 amdgpu_umc_loop_channels(adev,
89 func: umc_v12_0_reset_error_count_per_channel, NULL);
90}
91
92bool umc_v12_0_is_deferred_error(struct amdgpu_device *adev, uint64_t mc_umc_status)
93{
94 dev_info(adev->dev,
95 "MCA_UMC_STATUS(0x%llx): Val:%llu, Poison:%llu, Deferred:%llu, PCC:%llu, UC:%llu, TCC:%llu\n",
96 mc_umc_status,
97 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val),
98 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Poison),
99 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred),
100 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC),
101 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC),
102 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC)
103 );
104
105 return (amdgpu_ras_is_poison_mode_supported(adev) &&
106 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
107 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1));
108}
109
110bool umc_v12_0_is_uncorrectable_error(struct amdgpu_device *adev, uint64_t mc_umc_status)
111{
112 if (umc_v12_0_is_deferred_error(adev, mc_umc_status))
113 return false;
114
115 return ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
116 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
117 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
118 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1));
119}
120
121bool umc_v12_0_is_correctable_error(struct amdgpu_device *adev, uint64_t mc_umc_status)
122{
123 if (umc_v12_0_is_deferred_error(adev, mc_umc_status))
124 return false;
125
126 return (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
127 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1 ||
128 (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 &&
129 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 0) ||
130 /* Identify data parity error in replay mode */
131 ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 0x5 ||
132 REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 0xb) &&
133 !(umc_v12_0_is_uncorrectable_error(adev, mc_umc_status)))));
134}
135
136static void umc_v12_0_query_error_count_per_type(struct amdgpu_device *adev,
137 uint64_t umc_reg_offset,
138 unsigned long *error_count,
139 check_error_type_func error_type_func)
140{
141 uint64_t mc_umc_status;
142 uint64_t mc_umc_status_addr;
143
144 mc_umc_status_addr =
145 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
146
147 /* Check MCUMC_STATUS */
148 mc_umc_status =
149 RREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4);
150
151 if (error_type_func(adev, mc_umc_status))
152 *error_count += 1;
153}
154
155static int umc_v12_0_query_error_count(struct amdgpu_device *adev,
156 uint32_t node_inst, uint32_t umc_inst,
157 uint32_t ch_inst, void *data)
158{
159 struct ras_err_data *err_data = (struct ras_err_data *)data;
160 unsigned long ue_count = 0, ce_count = 0, de_count = 0;
161
162 /* NOTE: node_inst is converted by adev->umc.active_mask and the range is [0-3],
163 * which can be used as die ID directly */
164 struct amdgpu_smuio_mcm_config_info mcm_info = {
165 .socket_id = adev->smuio.funcs->get_socket_id(adev),
166 .die_id = node_inst,
167 };
168
169 uint64_t umc_reg_offset =
170 get_umc_v12_0_reg_offset(adev, node_inst, umc_inst, ch_inst);
171
172 umc_v12_0_query_error_count_per_type(adev, umc_reg_offset,
173 error_count: &ce_count, error_type_func: umc_v12_0_is_correctable_error);
174 umc_v12_0_query_error_count_per_type(adev, umc_reg_offset,
175 error_count: &ue_count, error_type_func: umc_v12_0_is_uncorrectable_error);
176 umc_v12_0_query_error_count_per_type(adev, umc_reg_offset,
177 error_count: &de_count, error_type_func: umc_v12_0_is_deferred_error);
178
179 amdgpu_ras_error_statistic_ue_count(err_data, mcm_info: &mcm_info, NULL, count: ue_count);
180 amdgpu_ras_error_statistic_ce_count(err_data, mcm_info: &mcm_info, NULL, count: ce_count);
181 amdgpu_ras_error_statistic_de_count(err_data, mcm_info: &mcm_info, NULL, count: de_count);
182
183 return 0;
184}
185
186static void umc_v12_0_query_ras_error_count(struct amdgpu_device *adev,
187 void *ras_error_status)
188{
189 amdgpu_umc_loop_channels(adev,
190 func: umc_v12_0_query_error_count, data: ras_error_status);
191
192 umc_v12_0_reset_error_count(adev);
193}
194
195static bool umc_v12_0_bit_wise_xor(uint32_t val)
196{
197 bool result = 0;
198 int i;
199
200 for (i = 0; i < 32; i++)
201 result = result ^ ((val >> i) & 0x1);
202
203 return result;
204}
205
206static void umc_v12_0_mca_addr_to_pa(struct amdgpu_device *adev,
207 uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst,
208 uint32_t node_inst,
209 struct ta_ras_query_address_output *addr_out)
210{
211 uint32_t channel_index, i;
212 uint64_t na, soc_pa;
213 uint32_t bank_hash0, bank_hash1, bank_hash2, bank_hash3, col, row;
214 uint32_t bank0, bank1, bank2, bank3, bank;
215
216 bank_hash0 = (err_addr >> UMC_V12_0_MCA_B0_BIT) & 0x1ULL;
217 bank_hash1 = (err_addr >> UMC_V12_0_MCA_B1_BIT) & 0x1ULL;
218 bank_hash2 = (err_addr >> UMC_V12_0_MCA_B2_BIT) & 0x1ULL;
219 bank_hash3 = (err_addr >> UMC_V12_0_MCA_B3_BIT) & 0x1ULL;
220 col = (err_addr >> 1) & 0x1fULL;
221 row = (err_addr >> 10) & 0x3fffULL;
222
223 /* apply bank hash algorithm */
224 bank0 =
225 bank_hash0 ^ (UMC_V12_0_XOR_EN0 &
226 (umc_v12_0_bit_wise_xor(val: col & UMC_V12_0_COL_XOR0) ^
227 (umc_v12_0_bit_wise_xor(val: row & UMC_V12_0_ROW_XOR0))));
228 bank1 =
229 bank_hash1 ^ (UMC_V12_0_XOR_EN1 &
230 (umc_v12_0_bit_wise_xor(val: col & UMC_V12_0_COL_XOR1) ^
231 (umc_v12_0_bit_wise_xor(val: row & UMC_V12_0_ROW_XOR1))));
232 bank2 =
233 bank_hash2 ^ (UMC_V12_0_XOR_EN2 &
234 (umc_v12_0_bit_wise_xor(val: col & UMC_V12_0_COL_XOR2) ^
235 (umc_v12_0_bit_wise_xor(val: row & UMC_V12_0_ROW_XOR2))));
236 bank3 =
237 bank_hash3 ^ (UMC_V12_0_XOR_EN3 &
238 (umc_v12_0_bit_wise_xor(val: col & UMC_V12_0_COL_XOR3) ^
239 (umc_v12_0_bit_wise_xor(val: row & UMC_V12_0_ROW_XOR3))));
240
241 bank = bank0 | (bank1 << 1) | (bank2 << 2) | (bank3 << 3);
242 err_addr &= ~0x3c0ULL;
243 err_addr |= (bank << UMC_V12_0_MCA_B0_BIT);
244
245 na = 0x0;
246 /* convert mca error address to normalized address */
247 for (i = 1; i < ARRAY_SIZE(umc_v12_0_ma2na_mapping); i++)
248 na |= ((err_addr >> i) & 0x1ULL) << umc_v12_0_ma2na_mapping[i];
249
250 channel_index =
251 adev->umc.channel_idx_tbl[node_inst * adev->umc.umc_inst_num *
252 adev->umc.channel_inst_num +
253 umc_inst * adev->umc.channel_inst_num +
254 ch_inst];
255 /* translate umc channel address to soc pa, 3 parts are included */
256 soc_pa = ADDR_OF_32KB_BLOCK(na) |
257 ADDR_OF_256B_BLOCK(channel_index) |
258 OFFSET_IN_256B_BLOCK(na);
259
260 /* the umc channel bits are not original values, they are hashed */
261 UMC_V12_0_SET_CHANNEL_HASH(channel_index, soc_pa);
262
263 addr_out->pa.pa = soc_pa;
264 addr_out->pa.bank = bank;
265 addr_out->pa.channel_idx = channel_index;
266}
267
268static void umc_v12_0_convert_error_address(struct amdgpu_device *adev,
269 struct ras_err_data *err_data, uint64_t err_addr,
270 uint32_t ch_inst, uint32_t umc_inst,
271 uint32_t node_inst)
272{
273 uint32_t col, row, row_xor, bank, channel_index;
274 uint64_t soc_pa, retired_page, column;
275 struct ta_ras_query_address_input addr_in;
276 struct ta_ras_query_address_output addr_out;
277
278 addr_in.addr_type = TA_RAS_MCA_TO_PA;
279 addr_in.ma.err_addr = err_addr;
280 addr_in.ma.ch_inst = ch_inst;
281 addr_in.ma.umc_inst = umc_inst;
282 addr_in.ma.node_inst = node_inst;
283
284 if (psp_ras_query_address(psp: &adev->psp, addr_in: &addr_in, addr_out: &addr_out))
285 /* fallback to old path if fail to get pa from psp */
286 umc_v12_0_mca_addr_to_pa(adev, err_addr, ch_inst, umc_inst,
287 node_inst, addr_out: &addr_out);
288
289 soc_pa = addr_out.pa.pa;
290 bank = addr_out.pa.bank;
291 channel_index = addr_out.pa.channel_idx;
292
293 col = (err_addr >> 1) & 0x1fULL;
294 row = (err_addr >> 10) & 0x3fffULL;
295 row_xor = row ^ (0x1ULL << 13);
296 /* clear [C3 C2] in soc physical address */
297 soc_pa &= ~(0x3ULL << UMC_V12_0_PA_C2_BIT);
298 /* clear [C4] in soc physical address */
299 soc_pa &= ~(0x1ULL << UMC_V12_0_PA_C4_BIT);
300
301 /* loop for all possibilities of [C4 C3 C2] */
302 for (column = 0; column < UMC_V12_0_NA_MAP_PA_NUM; column++) {
303 retired_page = soc_pa | ((column & 0x3) << UMC_V12_0_PA_C2_BIT);
304 retired_page |= (((column & 0x4) >> 2) << UMC_V12_0_PA_C4_BIT);
305 /* include column bit 0 and 1 */
306 col &= 0x3;
307 col |= (column << 2);
308 dev_info(adev->dev,
309 "Error Address(PA):0x%-10llx Row:0x%-4x Col:0x%-2x Bank:0x%x Channel:0x%x\n",
310 retired_page, row, col, bank, channel_index);
311 amdgpu_umc_fill_error_record(err_data, err_addr,
312 retired_page, channel_index, umc_inst);
313
314 /* shift R13 bit */
315 retired_page ^= (0x1ULL << UMC_V12_0_PA_R13_BIT);
316 dev_info(adev->dev,
317 "Error Address(PA):0x%-10llx Row:0x%-4x Col:0x%-2x Bank:0x%x Channel:0x%x\n",
318 retired_page, row_xor, col, bank, channel_index);
319 amdgpu_umc_fill_error_record(err_data, err_addr,
320 retired_page, channel_index, umc_inst);
321 }
322}
323
324static int umc_v12_0_query_error_address(struct amdgpu_device *adev,
325 uint32_t node_inst, uint32_t umc_inst,
326 uint32_t ch_inst, void *data)
327{
328 uint64_t mc_umc_status_addr;
329 uint64_t mc_umc_status, err_addr;
330 uint64_t mc_umc_addrt0;
331 struct ras_err_data *err_data = (struct ras_err_data *)data;
332 uint64_t umc_reg_offset =
333 get_umc_v12_0_reg_offset(adev, node_inst, umc_inst, ch_inst);
334
335 mc_umc_status_addr =
336 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
337
338 mc_umc_status = RREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4);
339
340 if (mc_umc_status == 0)
341 return 0;
342
343 if (!err_data->err_addr) {
344 /* clear umc status */
345 WREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
346
347 return 0;
348 }
349
350 /* calculate error address if ue error is detected */
351 if (umc_v12_0_is_uncorrectable_error(adev, mc_umc_status) ||
352 umc_v12_0_is_deferred_error(adev, mc_umc_status)) {
353 mc_umc_addrt0 =
354 SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_ADDRT0);
355
356 err_addr = RREG64_PCIE_EXT((mc_umc_addrt0 + umc_reg_offset) * 4);
357
358 err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
359
360 umc_v12_0_convert_error_address(adev, err_data, err_addr,
361 ch_inst, umc_inst, node_inst);
362 }
363
364 /* clear umc status */
365 WREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
366
367 return 0;
368}
369
370static void umc_v12_0_query_ras_error_address(struct amdgpu_device *adev,
371 void *ras_error_status)
372{
373 amdgpu_umc_loop_channels(adev,
374 func: umc_v12_0_query_error_address, data: ras_error_status);
375}
376
377static int umc_v12_0_err_cnt_init_per_channel(struct amdgpu_device *adev,
378 uint32_t node_inst, uint32_t umc_inst,
379 uint32_t ch_inst, void *data)
380{
381 uint32_t odecc_cnt_sel;
382 uint64_t odecc_cnt_sel_addr, odecc_err_cnt_addr;
383 uint64_t umc_reg_offset =
384 get_umc_v12_0_reg_offset(adev, node_inst, umc_inst, ch_inst);
385
386 odecc_cnt_sel_addr =
387 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_OdEccCntSel);
388 odecc_err_cnt_addr =
389 SOC15_REG_OFFSET(UMC, 0, regUMCCH0_OdEccErrCnt);
390
391 odecc_cnt_sel = RREG32_PCIE_EXT((odecc_cnt_sel_addr + umc_reg_offset) * 4);
392
393 /* set ce error interrupt type to APIC based interrupt */
394 odecc_cnt_sel = REG_SET_FIELD(odecc_cnt_sel, UMCCH0_OdEccCntSel,
395 OdEccErrInt, 0x1);
396 WREG32_PCIE_EXT((odecc_cnt_sel_addr + umc_reg_offset) * 4, odecc_cnt_sel);
397
398 /* set error count to initial value */
399 WREG32_PCIE_EXT((odecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V12_0_CE_CNT_INIT);
400
401 return 0;
402}
403
404static void umc_v12_0_ecc_info_query_ras_error_count(struct amdgpu_device *adev,
405 void *ras_error_status)
406{
407 amdgpu_mca_smu_log_ras_error(adev,
408 blk: AMDGPU_RAS_BLOCK__UMC, type: AMDGPU_MCA_ERROR_TYPE_CE, err_data: ras_error_status);
409 amdgpu_mca_smu_log_ras_error(adev,
410 blk: AMDGPU_RAS_BLOCK__UMC, type: AMDGPU_MCA_ERROR_TYPE_UE, err_data: ras_error_status);
411}
412
413static void umc_v12_0_ecc_info_query_ras_error_address(struct amdgpu_device *adev,
414 void *ras_error_status)
415{
416 struct ras_err_node *err_node;
417 uint64_t mc_umc_status;
418 struct ras_err_info *err_info;
419 struct ras_err_addr *mca_err_addr, *tmp;
420 struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
421
422 for_each_ras_error(err_node, err_data) {
423 err_info = &err_node->err_info;
424 if (list_empty(head: &err_info->err_addr_list))
425 continue;
426
427 list_for_each_entry_safe(mca_err_addr, tmp, &err_info->err_addr_list, node) {
428 mc_umc_status = mca_err_addr->err_status;
429 if (mc_umc_status &&
430 (umc_v12_0_is_uncorrectable_error(adev, mc_umc_status) ||
431 umc_v12_0_is_deferred_error(adev, mc_umc_status))) {
432 uint64_t mca_addr, err_addr, mca_ipid;
433 uint32_t InstanceIdLo;
434
435 mca_addr = mca_err_addr->err_addr;
436 mca_ipid = mca_err_addr->err_ipid;
437
438 err_addr = REG_GET_FIELD(mca_addr,
439 MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
440 InstanceIdLo = REG_GET_FIELD(mca_ipid, MCMP1_IPIDT0, InstanceIdLo);
441
442 dev_info(adev->dev, "UMC:IPID:0x%llx, aid:%d, inst:%d, ch:%d, err_addr:0x%llx\n",
443 mca_ipid,
444 err_info->mcm_info.die_id,
445 MCA_IPID_LO_2_UMC_INST(InstanceIdLo),
446 MCA_IPID_LO_2_UMC_CH(InstanceIdLo),
447 err_addr);
448
449 umc_v12_0_convert_error_address(adev,
450 err_data, err_addr,
451 MCA_IPID_LO_2_UMC_CH(InstanceIdLo),
452 MCA_IPID_LO_2_UMC_INST(InstanceIdLo),
453 node_inst: err_info->mcm_info.die_id);
454 }
455
456 /* Delete error address node from list and free memory */
457 amdgpu_ras_del_mca_err_addr(err_info, mca_err_addr);
458 }
459 }
460}
461
462static bool umc_v12_0_check_ecc_err_status(struct amdgpu_device *adev,
463 enum amdgpu_mca_error_type type, void *ras_error_status)
464{
465 uint64_t mc_umc_status = *(uint64_t *)ras_error_status;
466
467 switch (type) {
468 case AMDGPU_MCA_ERROR_TYPE_UE:
469 return umc_v12_0_is_uncorrectable_error(adev, mc_umc_status);
470 case AMDGPU_MCA_ERROR_TYPE_CE:
471 return umc_v12_0_is_correctable_error(adev, mc_umc_status);
472 case AMDGPU_MCA_ERROR_TYPE_DE:
473 return umc_v12_0_is_deferred_error(adev, mc_umc_status);
474 default:
475 return false;
476 }
477
478 return false;
479}
480
481static void umc_v12_0_err_cnt_init(struct amdgpu_device *adev)
482{
483 amdgpu_umc_loop_channels(adev,
484 func: umc_v12_0_err_cnt_init_per_channel, NULL);
485}
486
487static bool umc_v12_0_query_ras_poison_mode(struct amdgpu_device *adev)
488{
489 /*
490 * Force return true, because regUMCCH0_EccCtrl
491 * is not accessible from host side
492 */
493 return true;
494}
495
496const struct amdgpu_ras_block_hw_ops umc_v12_0_ras_hw_ops = {
497 .query_ras_error_count = umc_v12_0_query_ras_error_count,
498 .query_ras_error_address = umc_v12_0_query_ras_error_address,
499};
500
501static int umc_v12_0_aca_bank_generate_report(struct aca_handle *handle, struct aca_bank *bank, enum aca_error_type type,
502 struct aca_bank_report *report, void *data)
503{
504 struct amdgpu_device *adev = handle->adev;
505 u64 status;
506 int ret;
507
508 ret = aca_bank_info_decode(bank, info: &report->info);
509 if (ret)
510 return ret;
511
512 status = bank->regs[ACA_REG_IDX_STATUS];
513 switch (type) {
514 case ACA_ERROR_TYPE_UE:
515 if (umc_v12_0_is_uncorrectable_error(adev, mc_umc_status: status)) {
516 report->count[type] = 1;
517 }
518 break;
519 case ACA_ERROR_TYPE_CE:
520 if (umc_v12_0_is_correctable_error(adev, mc_umc_status: status)) {
521 report->count[type] = 1;
522 }
523 break;
524 default:
525 return -EINVAL;
526 }
527
528 return 0;
529}
530
531static const struct aca_bank_ops umc_v12_0_aca_bank_ops = {
532 .aca_bank_generate_report = umc_v12_0_aca_bank_generate_report,
533};
534
535const struct aca_info umc_v12_0_aca_info = {
536 .hwip = ACA_HWIP_TYPE_UMC,
537 .mask = ACA_ERROR_UE_MASK | ACA_ERROR_CE_MASK,
538 .bank_ops = &umc_v12_0_aca_bank_ops,
539};
540
541static int umc_v12_0_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
542{
543 int ret;
544
545 ret = amdgpu_umc_ras_late_init(adev, ras_block);
546 if (ret)
547 return ret;
548
549 ret = amdgpu_ras_bind_aca(adev, blk: AMDGPU_RAS_BLOCK__UMC,
550 aca_info: &umc_v12_0_aca_info, NULL);
551 if (ret)
552 return ret;
553
554 return 0;
555}
556
557struct amdgpu_umc_ras umc_v12_0_ras = {
558 .ras_block = {
559 .hw_ops = &umc_v12_0_ras_hw_ops,
560 .ras_late_init = umc_v12_0_ras_late_init,
561 },
562 .err_cnt_init = umc_v12_0_err_cnt_init,
563 .query_ras_poison_mode = umc_v12_0_query_ras_poison_mode,
564 .ecc_info_query_ras_error_count = umc_v12_0_ecc_info_query_ras_error_count,
565 .ecc_info_query_ras_error_address = umc_v12_0_ecc_info_query_ras_error_address,
566 .check_ecc_err_status = umc_v12_0_check_ecc_err_status,
567};
568
569

source code of linux/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c