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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2022 Intel Corporation. All rights reserved. */
3#undef TRACE_SYSTEM
4#define TRACE_SYSTEM cxl
5
6#if !defined(_CXL_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)
7#define _CXL_EVENTS_H
8
9#include <linux/tracepoint.h>
10#include <linux/pci.h>
11#include <linux/unaligned.h>
12
13#include <cxl.h>
14#include <cxlmem.h>
15#include "core.h"
16
17#define CXL_RAS_UC_CACHE_DATA_PARITY BIT(0)
18#define CXL_RAS_UC_CACHE_ADDR_PARITY BIT(1)
19#define CXL_RAS_UC_CACHE_BE_PARITY BIT(2)
20#define CXL_RAS_UC_CACHE_DATA_ECC BIT(3)
21#define CXL_RAS_UC_MEM_DATA_PARITY BIT(4)
22#define CXL_RAS_UC_MEM_ADDR_PARITY BIT(5)
23#define CXL_RAS_UC_MEM_BE_PARITY BIT(6)
24#define CXL_RAS_UC_MEM_DATA_ECC BIT(7)
25#define CXL_RAS_UC_REINIT_THRESH BIT(8)
26#define CXL_RAS_UC_RSVD_ENCODE BIT(9)
27#define CXL_RAS_UC_POISON BIT(10)
28#define CXL_RAS_UC_RECV_OVERFLOW BIT(11)
29#define CXL_RAS_UC_INTERNAL_ERR BIT(14)
30#define CXL_RAS_UC_IDE_TX_ERR BIT(15)
31#define CXL_RAS_UC_IDE_RX_ERR BIT(16)
32
33#define show_uc_errs(status) __print_flags(status, " | ", \
34 { CXL_RAS_UC_CACHE_DATA_PARITY, "Cache Data Parity Error" }, \
35 { CXL_RAS_UC_CACHE_ADDR_PARITY, "Cache Address Parity Error" }, \
36 { CXL_RAS_UC_CACHE_BE_PARITY, "Cache Byte Enable Parity Error" }, \
37 { CXL_RAS_UC_CACHE_DATA_ECC, "Cache Data ECC Error" }, \
38 { CXL_RAS_UC_MEM_DATA_PARITY, "Memory Data Parity Error" }, \
39 { CXL_RAS_UC_MEM_ADDR_PARITY, "Memory Address Parity Error" }, \
40 { CXL_RAS_UC_MEM_BE_PARITY, "Memory Byte Enable Parity Error" }, \
41 { CXL_RAS_UC_MEM_DATA_ECC, "Memory Data ECC Error" }, \
42 { CXL_RAS_UC_REINIT_THRESH, "REINIT Threshold Hit" }, \
43 { CXL_RAS_UC_RSVD_ENCODE, "Received Unrecognized Encoding" }, \
44 { CXL_RAS_UC_POISON, "Received Poison From Peer" }, \
45 { CXL_RAS_UC_RECV_OVERFLOW, "Receiver Overflow" }, \
46 { CXL_RAS_UC_INTERNAL_ERR, "Component Specific Error" }, \
47 { CXL_RAS_UC_IDE_TX_ERR, "IDE Tx Error" }, \
48 { CXL_RAS_UC_IDE_RX_ERR, "IDE Rx Error" } \
49)
50
51TRACE_EVENT(cxl_aer_uncorrectable_error,
52 TP_PROTO(const struct cxl_memdev *cxlmd, u32 status, u32 fe, u32 *hl),
53 TP_ARGS(cxlmd, status, fe, hl),
54 TP_STRUCT__entry(
55 __string(memdev, dev_name(&cxlmd->dev))
56 __string(host, dev_name(cxlmd->dev.parent))
57 __field(u64, serial)
58 __field(u32, status)
59 __field(u32, first_error)
60 __array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
61 ),
62 TP_fast_assign(
63 __assign_str(memdev);
64 __assign_str(host);
65 __entry->serial = cxlmd->cxlds->serial;
66 __entry->status = status;
67 __entry->first_error = fe;
68 /*
69 * Embed the 512B headerlog data for user app retrieval and
70 * parsing, but no need to print this in the trace buffer.
71 */
72 memcpy(__entry->header_log, hl, CXL_HEADERLOG_SIZE);
73 ),
74 TP_printk("memdev=%s host=%s serial=%lld: status: '%s' first_error: '%s'",
75 __get_str(memdev), __get_str(host), __entry->serial,
76 show_uc_errs(__entry->status),
77 show_uc_errs(__entry->first_error)
78 )
79);
80
81#define CXL_RAS_CE_CACHE_DATA_ECC BIT(0)
82#define CXL_RAS_CE_MEM_DATA_ECC BIT(1)
83#define CXL_RAS_CE_CRC_THRESH BIT(2)
84#define CLX_RAS_CE_RETRY_THRESH BIT(3)
85#define CXL_RAS_CE_CACHE_POISON BIT(4)
86#define CXL_RAS_CE_MEM_POISON BIT(5)
87#define CXL_RAS_CE_PHYS_LAYER_ERR BIT(6)
88
89#define show_ce_errs(status) __print_flags(status, " | ", \
90 { CXL_RAS_CE_CACHE_DATA_ECC, "Cache Data ECC Error" }, \
91 { CXL_RAS_CE_MEM_DATA_ECC, "Memory Data ECC Error" }, \
92 { CXL_RAS_CE_CRC_THRESH, "CRC Threshold Hit" }, \
93 { CLX_RAS_CE_RETRY_THRESH, "Retry Threshold" }, \
94 { CXL_RAS_CE_CACHE_POISON, "Received Cache Poison From Peer" }, \
95 { CXL_RAS_CE_MEM_POISON, "Received Memory Poison From Peer" }, \
96 { CXL_RAS_CE_PHYS_LAYER_ERR, "Received Error From Physical Layer" } \
97)
98
99TRACE_EVENT(cxl_aer_correctable_error,
100 TP_PROTO(const struct cxl_memdev *cxlmd, u32 status),
101 TP_ARGS(cxlmd, status),
102 TP_STRUCT__entry(
103 __string(memdev, dev_name(&cxlmd->dev))
104 __string(host, dev_name(cxlmd->dev.parent))
105 __field(u64, serial)
106 __field(u32, status)
107 ),
108 TP_fast_assign(
109 __assign_str(memdev);
110 __assign_str(host);
111 __entry->serial = cxlmd->cxlds->serial;
112 __entry->status = status;
113 ),
114 TP_printk("memdev=%s host=%s serial=%lld: status: '%s'",
115 __get_str(memdev), __get_str(host), __entry->serial,
116 show_ce_errs(__entry->status)
117 )
118);
119
120#define cxl_event_log_type_str(type) \
121 __print_symbolic(type, \
122 { CXL_EVENT_TYPE_INFO, "Informational" }, \
123 { CXL_EVENT_TYPE_WARN, "Warning" }, \
124 { CXL_EVENT_TYPE_FAIL, "Failure" }, \
125 { CXL_EVENT_TYPE_FATAL, "Fatal" })
126
127TRACE_EVENT(cxl_overflow,
128
129 TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log,
130 struct cxl_get_event_payload *payload),
131
132 TP_ARGS(cxlmd, log, payload),
133
134 TP_STRUCT__entry(
135 __string(memdev, dev_name(&cxlmd->dev))
136 __string(host, dev_name(cxlmd->dev.parent))
137 __field(int, log)
138 __field(u64, serial)
139 __field(u64, first_ts)
140 __field(u64, last_ts)
141 __field(u16, count)
142 ),
143
144 TP_fast_assign(
145 __assign_str(memdev);
146 __assign_str(host);
147 __entry->serial = cxlmd->cxlds->serial;
148 __entry->log = log;
149 __entry->count = le16_to_cpu(payload->overflow_err_count);
150 __entry->first_ts = le64_to_cpu(payload->first_overflow_timestamp);
151 __entry->last_ts = le64_to_cpu(payload->last_overflow_timestamp);
152 ),
153
154 TP_printk("memdev=%s host=%s serial=%lld: log=%s : %u records from %llu to %llu",
155 __get_str(memdev), __get_str(host), __entry->serial,
156 cxl_event_log_type_str(__entry->log), __entry->count,
157 __entry->first_ts, __entry->last_ts)
158
159);
160
161/*
162 * Common Event Record Format
163 * CXL 3.0 section 8.2.9.2.1; Table 8-42
164 */
165#define CXL_EVENT_RECORD_FLAG_PERMANENT BIT(2)
166#define CXL_EVENT_RECORD_FLAG_MAINT_NEEDED BIT(3)
167#define CXL_EVENT_RECORD_FLAG_PERF_DEGRADED BIT(4)
168#define CXL_EVENT_RECORD_FLAG_HW_REPLACE BIT(5)
169#define show_hdr_flags(flags) __print_flags(flags, " | ", \
170 { CXL_EVENT_RECORD_FLAG_PERMANENT, "PERMANENT_CONDITION" }, \
171 { CXL_EVENT_RECORD_FLAG_MAINT_NEEDED, "MAINTENANCE_NEEDED" }, \
172 { CXL_EVENT_RECORD_FLAG_PERF_DEGRADED, "PERFORMANCE_DEGRADED" }, \
173 { CXL_EVENT_RECORD_FLAG_HW_REPLACE, "HARDWARE_REPLACEMENT_NEEDED" } \
174)
175
176/*
177 * Define macros for the common header of each CXL event.
178 *
179 * Tracepoints using these macros must do 3 things:
180 *
181 * 1) Add CXL_EVT_TP_entry to TP_STRUCT__entry
182 * 2) Use CXL_EVT_TP_fast_assign within TP_fast_assign;
183 * pass the dev, log, and CXL event header
184 * NOTE: The uuid must be assigned by the specific trace event
185 * 3) Use CXL_EVT_TP_printk() instead of TP_printk()
186 *
187 * See the generic_event tracepoint as an example.
188 */
189#define CXL_EVT_TP_entry \
190 __string(memdev, dev_name(&cxlmd->dev)) \
191 __string(host, dev_name(cxlmd->dev.parent)) \
192 __field(int, log) \
193 __field_struct(uuid_t, hdr_uuid) \
194 __field(u64, serial) \
195 __field(u32, hdr_flags) \
196 __field(u16, hdr_handle) \
197 __field(u16, hdr_related_handle) \
198 __field(u64, hdr_timestamp) \
199 __field(u8, hdr_length) \
200 __field(u8, hdr_maint_op_class)
201
202#define CXL_EVT_TP_fast_assign(cxlmd, l, hdr) \
203 __assign_str(memdev); \
204 __assign_str(host); \
205 __entry->log = (l); \
206 __entry->serial = (cxlmd)->cxlds->serial; \
207 __entry->hdr_length = (hdr).length; \
208 __entry->hdr_flags = get_unaligned_le24((hdr).flags); \
209 __entry->hdr_handle = le16_to_cpu((hdr).handle); \
210 __entry->hdr_related_handle = le16_to_cpu((hdr).related_handle); \
211 __entry->hdr_timestamp = le64_to_cpu((hdr).timestamp); \
212 __entry->hdr_maint_op_class = (hdr).maint_op_class
213
214#define CXL_EVT_TP_printk(fmt, ...) \
215 TP_printk("memdev=%s host=%s serial=%lld log=%s : time=%llu uuid=%pUb " \
216 "len=%d flags='%s' handle=%x related_handle=%x " \
217 "maint_op_class=%u : " fmt, \
218 __get_str(memdev), __get_str(host), __entry->serial, \
219 cxl_event_log_type_str(__entry->log), \
220 __entry->hdr_timestamp, &__entry->hdr_uuid, __entry->hdr_length,\
221 show_hdr_flags(__entry->hdr_flags), __entry->hdr_handle, \
222 __entry->hdr_related_handle, __entry->hdr_maint_op_class, \
223 ##__VA_ARGS__)
224
225TRACE_EVENT(cxl_generic_event,
226
227 TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log,
228 const uuid_t *uuid, struct cxl_event_generic *gen_rec),
229
230 TP_ARGS(cxlmd, log, uuid, gen_rec),
231
232 TP_STRUCT__entry(
233 CXL_EVT_TP_entry
234 __array(u8, data, CXL_EVENT_RECORD_DATA_LENGTH)
235 ),
236
237 TP_fast_assign(
238 CXL_EVT_TP_fast_assign(cxlmd, log, gen_rec->hdr);
239 memcpy(&__entry->hdr_uuid, uuid, sizeof(uuid_t));
240 memcpy(__entry->data, gen_rec->data, CXL_EVENT_RECORD_DATA_LENGTH);
241 ),
242
243 CXL_EVT_TP_printk("%s",
244 __print_hex(__entry->data, CXL_EVENT_RECORD_DATA_LENGTH))
245);
246
247/*
248 * Physical Address field masks
249 *
250 * General Media Event Record
251 * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
252 *
253 * DRAM Event Record
254 * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
255 */
256#define CXL_DPA_FLAGS_MASK GENMASK(1, 0)
257#define CXL_DPA_MASK GENMASK_ULL(63, 6)
258
259#define CXL_DPA_VOLATILE BIT(0)
260#define CXL_DPA_NOT_REPAIRABLE BIT(1)
261#define show_dpa_flags(flags) __print_flags(flags, "|", \
262 { CXL_DPA_VOLATILE, "VOLATILE" }, \
263 { CXL_DPA_NOT_REPAIRABLE, "NOT_REPAIRABLE" } \
264)
265
266/*
267 * General Media Event Record - GMER
268 * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
269 */
270#define CXL_GMER_EVT_DESC_UNCORECTABLE_EVENT BIT(0)
271#define CXL_GMER_EVT_DESC_THRESHOLD_EVENT BIT(1)
272#define CXL_GMER_EVT_DESC_POISON_LIST_OVERFLOW BIT(2)
273#define show_event_desc_flags(flags) __print_flags(flags, "|", \
274 { CXL_GMER_EVT_DESC_UNCORECTABLE_EVENT, "UNCORRECTABLE_EVENT" }, \
275 { CXL_GMER_EVT_DESC_THRESHOLD_EVENT, "THRESHOLD_EVENT" }, \
276 { CXL_GMER_EVT_DESC_POISON_LIST_OVERFLOW, "POISON_LIST_OVERFLOW" } \
277)
278
279#define CXL_GMER_MEM_EVT_TYPE_ECC_ERROR 0x00
280#define CXL_GMER_MEM_EVT_TYPE_INV_ADDR 0x01
281#define CXL_GMER_MEM_EVT_TYPE_DATA_PATH_ERROR 0x02
282#define show_gmer_mem_event_type(type) __print_symbolic(type, \
283 { CXL_GMER_MEM_EVT_TYPE_ECC_ERROR, "ECC Error" }, \
284 { CXL_GMER_MEM_EVT_TYPE_INV_ADDR, "Invalid Address" }, \
285 { CXL_GMER_MEM_EVT_TYPE_DATA_PATH_ERROR, "Data Path Error" } \
286)
287
288#define CXL_GMER_TRANS_UNKNOWN 0x00
289#define CXL_GMER_TRANS_HOST_READ 0x01
290#define CXL_GMER_TRANS_HOST_WRITE 0x02
291#define CXL_GMER_TRANS_HOST_SCAN_MEDIA 0x03
292#define CXL_GMER_TRANS_HOST_INJECT_POISON 0x04
293#define CXL_GMER_TRANS_INTERNAL_MEDIA_SCRUB 0x05
294#define CXL_GMER_TRANS_INTERNAL_MEDIA_MANAGEMENT 0x06
295#define show_trans_type(type) __print_symbolic(type, \
296 { CXL_GMER_TRANS_UNKNOWN, "Unknown" }, \
297 { CXL_GMER_TRANS_HOST_READ, "Host Read" }, \
298 { CXL_GMER_TRANS_HOST_WRITE, "Host Write" }, \
299 { CXL_GMER_TRANS_HOST_SCAN_MEDIA, "Host Scan Media" }, \
300 { CXL_GMER_TRANS_HOST_INJECT_POISON, "Host Inject Poison" }, \
301 { CXL_GMER_TRANS_INTERNAL_MEDIA_SCRUB, "Internal Media Scrub" }, \
302 { CXL_GMER_TRANS_INTERNAL_MEDIA_MANAGEMENT, "Internal Media Management" } \
303)
304
305#define CXL_GMER_VALID_CHANNEL BIT(0)
306#define CXL_GMER_VALID_RANK BIT(1)
307#define CXL_GMER_VALID_DEVICE BIT(2)
308#define CXL_GMER_VALID_COMPONENT BIT(3)
309#define show_valid_flags(flags) __print_flags(flags, "|", \
310 { CXL_GMER_VALID_CHANNEL, "CHANNEL" }, \
311 { CXL_GMER_VALID_RANK, "RANK" }, \
312 { CXL_GMER_VALID_DEVICE, "DEVICE" }, \
313 { CXL_GMER_VALID_COMPONENT, "COMPONENT" } \
314)
315
316TRACE_EVENT(cxl_general_media,
317
318 TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log,
319 struct cxl_region *cxlr, u64 hpa, struct cxl_event_gen_media *rec),
320
321 TP_ARGS(cxlmd, log, cxlr, hpa, rec),
322
323 TP_STRUCT__entry(
324 CXL_EVT_TP_entry
325 /* General Media */
326 __field(u64, dpa)
327 __field(u8, descriptor)
328 __field(u8, type)
329 __field(u8, transaction_type)
330 __field(u8, channel)
331 __field(u32, device)
332 __array(u8, comp_id, CXL_EVENT_GEN_MED_COMP_ID_SIZE)
333 /* Following are out of order to pack trace record */
334 __field(u64, hpa)
335 __field_struct(uuid_t, region_uuid)
336 __field(u16, validity_flags)
337 __field(u8, rank)
338 __field(u8, dpa_flags)
339 __string(region_name, cxlr ? dev_name(&cxlr->dev) : "")
340 ),
341
342 TP_fast_assign(
343 CXL_EVT_TP_fast_assign(cxlmd, log, rec->media_hdr.hdr);
344 __entry->hdr_uuid = CXL_EVENT_GEN_MEDIA_UUID;
345
346 /* General Media */
347 __entry->dpa = le64_to_cpu(rec->media_hdr.phys_addr);
348 __entry->dpa_flags = __entry->dpa & CXL_DPA_FLAGS_MASK;
349 /* Mask after flags have been parsed */
350 __entry->dpa &= CXL_DPA_MASK;
351 __entry->descriptor = rec->media_hdr.descriptor;
352 __entry->type = rec->media_hdr.type;
353 __entry->transaction_type = rec->media_hdr.transaction_type;
354 __entry->channel = rec->media_hdr.channel;
355 __entry->rank = rec->media_hdr.rank;
356 __entry->device = get_unaligned_le24(rec->device);
357 memcpy(__entry->comp_id, &rec->component_id,
358 CXL_EVENT_GEN_MED_COMP_ID_SIZE);
359 __entry->validity_flags = get_unaligned_le16(&rec->media_hdr.validity_flags);
360 __entry->hpa = hpa;
361 if (cxlr) {
362 __assign_str(region_name);
363 uuid_copy(&__entry->region_uuid, &cxlr->params.uuid);
364 } else {
365 __assign_str(region_name);
366 uuid_copy(&__entry->region_uuid, &uuid_null);
367 }
368 ),
369
370 CXL_EVT_TP_printk("dpa=%llx dpa_flags='%s' " \
371 "descriptor='%s' type='%s' transaction_type='%s' channel=%u rank=%u " \
372 "device=%x comp_id=%s validity_flags='%s' " \
373 "hpa=%llx region=%s region_uuid=%pUb",
374 __entry->dpa, show_dpa_flags(__entry->dpa_flags),
375 show_event_desc_flags(__entry->descriptor),
376 show_gmer_mem_event_type(__entry->type),
377 show_trans_type(__entry->transaction_type),
378 __entry->channel, __entry->rank, __entry->device,
379 __print_hex(__entry->comp_id, CXL_EVENT_GEN_MED_COMP_ID_SIZE),
380 show_valid_flags(__entry->validity_flags),
381 __entry->hpa, __get_str(region_name), &__entry->region_uuid
382 )
383);
384
385/*
386 * DRAM Event Record - DER
387 *
388 * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
389 */
390/*
391 * DRAM Event Record defines many fields the same as the General Media Event
392 * Record. Reuse those definitions as appropriate.
393 */
394#define CXL_DER_MEM_EVT_TYPE_ECC_ERROR 0x00
395#define CXL_DER_MEM_EVT_TYPE_SCRUB_MEDIA_ECC_ERROR 0x01
396#define CXL_DER_MEM_EVT_TYPE_INV_ADDR 0x02
397#define CXL_DER_MEM_EVT_TYPE_DATA_PATH_ERROR 0x03
398#define show_dram_mem_event_type(type) __print_symbolic(type, \
399 { CXL_DER_MEM_EVT_TYPE_ECC_ERROR, "ECC Error" }, \
400 { CXL_DER_MEM_EVT_TYPE_SCRUB_MEDIA_ECC_ERROR, "Scrub Media ECC Error" }, \
401 { CXL_DER_MEM_EVT_TYPE_INV_ADDR, "Invalid Address" }, \
402 { CXL_DER_MEM_EVT_TYPE_DATA_PATH_ERROR, "Data Path Error" } \
403)
404
405#define CXL_DER_VALID_CHANNEL BIT(0)
406#define CXL_DER_VALID_RANK BIT(1)
407#define CXL_DER_VALID_NIBBLE BIT(2)
408#define CXL_DER_VALID_BANK_GROUP BIT(3)
409#define CXL_DER_VALID_BANK BIT(4)
410#define CXL_DER_VALID_ROW BIT(5)
411#define CXL_DER_VALID_COLUMN BIT(6)
412#define CXL_DER_VALID_CORRECTION_MASK BIT(7)
413#define show_dram_valid_flags(flags) __print_flags(flags, "|", \
414 { CXL_DER_VALID_CHANNEL, "CHANNEL" }, \
415 { CXL_DER_VALID_RANK, "RANK" }, \
416 { CXL_DER_VALID_NIBBLE, "NIBBLE" }, \
417 { CXL_DER_VALID_BANK_GROUP, "BANK GROUP" }, \
418 { CXL_DER_VALID_BANK, "BANK" }, \
419 { CXL_DER_VALID_ROW, "ROW" }, \
420 { CXL_DER_VALID_COLUMN, "COLUMN" }, \
421 { CXL_DER_VALID_CORRECTION_MASK, "CORRECTION MASK" } \
422)
423
424TRACE_EVENT(cxl_dram,
425
426 TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log,
427 struct cxl_region *cxlr, u64 hpa, struct cxl_event_dram *rec),
428
429 TP_ARGS(cxlmd, log, cxlr, hpa, rec),
430
431 TP_STRUCT__entry(
432 CXL_EVT_TP_entry
433 /* DRAM */
434 __field(u64, dpa)
435 __field(u8, descriptor)
436 __field(u8, type)
437 __field(u8, transaction_type)
438 __field(u8, channel)
439 __field(u16, validity_flags)
440 __field(u16, column) /* Out of order to pack trace record */
441 __field(u32, nibble_mask)
442 __field(u32, row)
443 __array(u8, cor_mask, CXL_EVENT_DER_CORRECTION_MASK_SIZE)
444 __field(u64, hpa)
445 __field_struct(uuid_t, region_uuid)
446 __field(u8, rank) /* Out of order to pack trace record */
447 __field(u8, bank_group) /* Out of order to pack trace record */
448 __field(u8, bank) /* Out of order to pack trace record */
449 __field(u8, dpa_flags) /* Out of order to pack trace record */
450 __string(region_name, cxlr ? dev_name(&cxlr->dev) : "")
451 ),
452
453 TP_fast_assign(
454 CXL_EVT_TP_fast_assign(cxlmd, log, rec->media_hdr.hdr);
455 __entry->hdr_uuid = CXL_EVENT_DRAM_UUID;
456
457 /* DRAM */
458 __entry->dpa = le64_to_cpu(rec->media_hdr.phys_addr);
459 __entry->dpa_flags = __entry->dpa & CXL_DPA_FLAGS_MASK;
460 __entry->dpa &= CXL_DPA_MASK;
461 __entry->descriptor = rec->media_hdr.descriptor;
462 __entry->type = rec->media_hdr.type;
463 __entry->transaction_type = rec->media_hdr.transaction_type;
464 __entry->validity_flags = get_unaligned_le16(rec->media_hdr.validity_flags);
465 __entry->channel = rec->media_hdr.channel;
466 __entry->rank = rec->media_hdr.rank;
467 __entry->nibble_mask = get_unaligned_le24(rec->nibble_mask);
468 __entry->bank_group = rec->bank_group;
469 __entry->bank = rec->bank;
470 __entry->row = get_unaligned_le24(rec->row);
471 __entry->column = get_unaligned_le16(rec->column);
472 memcpy(__entry->cor_mask, &rec->correction_mask,
473 CXL_EVENT_DER_CORRECTION_MASK_SIZE);
474 __entry->hpa = hpa;
475 if (cxlr) {
476 __assign_str(region_name);
477 uuid_copy(&__entry->region_uuid, &cxlr->params.uuid);
478 } else {
479 __assign_str(region_name);
480 uuid_copy(&__entry->region_uuid, &uuid_null);
481 }
482 ),
483
484 CXL_EVT_TP_printk("dpa=%llx dpa_flags='%s' descriptor='%s' type='%s' " \
485 "transaction_type='%s' channel=%u rank=%u nibble_mask=%x " \
486 "bank_group=%u bank=%u row=%u column=%u cor_mask=%s " \
487 "validity_flags='%s' " \
488 "hpa=%llx region=%s region_uuid=%pUb",
489 __entry->dpa, show_dpa_flags(__entry->dpa_flags),
490 show_event_desc_flags(__entry->descriptor),
491 show_dram_mem_event_type(__entry->type),
492 show_trans_type(__entry->transaction_type),
493 __entry->channel, __entry->rank, __entry->nibble_mask,
494 __entry->bank_group, __entry->bank,
495 __entry->row, __entry->column,
496 __print_hex(__entry->cor_mask, CXL_EVENT_DER_CORRECTION_MASK_SIZE),
497 show_dram_valid_flags(__entry->validity_flags),
498 __entry->hpa, __get_str(region_name), &__entry->region_uuid
499 )
500);
501
502/*
503 * Memory Module Event Record - MMER
504 *
505 * CXL res 3.0 section 8.2.9.2.1.3; Table 8-45
506 */
507#define CXL_MMER_HEALTH_STATUS_CHANGE 0x00
508#define CXL_MMER_MEDIA_STATUS_CHANGE 0x01
509#define CXL_MMER_LIFE_USED_CHANGE 0x02
510#define CXL_MMER_TEMP_CHANGE 0x03
511#define CXL_MMER_DATA_PATH_ERROR 0x04
512#define CXL_MMER_LSA_ERROR 0x05
513#define show_dev_evt_type(type) __print_symbolic(type, \
514 { CXL_MMER_HEALTH_STATUS_CHANGE, "Health Status Change" }, \
515 { CXL_MMER_MEDIA_STATUS_CHANGE, "Media Status Change" }, \
516 { CXL_MMER_LIFE_USED_CHANGE, "Life Used Change" }, \
517 { CXL_MMER_TEMP_CHANGE, "Temperature Change" }, \
518 { CXL_MMER_DATA_PATH_ERROR, "Data Path Error" }, \
519 { CXL_MMER_LSA_ERROR, "LSA Error" } \
520)
521
522/*
523 * Device Health Information - DHI
524 *
525 * CXL res 3.0 section 8.2.9.8.3.1; Table 8-100
526 */
527#define CXL_DHI_HS_MAINTENANCE_NEEDED BIT(0)
528#define CXL_DHI_HS_PERFORMANCE_DEGRADED BIT(1)
529#define CXL_DHI_HS_HW_REPLACEMENT_NEEDED BIT(2)
530#define show_health_status_flags(flags) __print_flags(flags, "|", \
531 { CXL_DHI_HS_MAINTENANCE_NEEDED, "MAINTENANCE_NEEDED" }, \
532 { CXL_DHI_HS_PERFORMANCE_DEGRADED, "PERFORMANCE_DEGRADED" }, \
533 { CXL_DHI_HS_HW_REPLACEMENT_NEEDED, "REPLACEMENT_NEEDED" } \
534)
535
536#define CXL_DHI_MS_NORMAL 0x00
537#define CXL_DHI_MS_NOT_READY 0x01
538#define CXL_DHI_MS_WRITE_PERSISTENCY_LOST 0x02
539#define CXL_DHI_MS_ALL_DATA_LOST 0x03
540#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_POWER_LOSS 0x04
541#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_SHUTDOWN 0x05
542#define CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_IMMINENT 0x06
543#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_POWER_LOSS 0x07
544#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_SHUTDOWN 0x08
545#define CXL_DHI_MS_WRITE_ALL_DATA_LOSS_IMMINENT 0x09
546#define show_media_status(ms) __print_symbolic(ms, \
547 { CXL_DHI_MS_NORMAL, \
548 "Normal" }, \
549 { CXL_DHI_MS_NOT_READY, \
550 "Not Ready" }, \
551 { CXL_DHI_MS_WRITE_PERSISTENCY_LOST, \
552 "Write Persistency Lost" }, \
553 { CXL_DHI_MS_ALL_DATA_LOST, \
554 "All Data Lost" }, \
555 { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_POWER_LOSS, \
556 "Write Persistency Loss in the Event of Power Loss" }, \
557 { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_EVENT_SHUTDOWN, \
558 "Write Persistency Loss in Event of Shutdown" }, \
559 { CXL_DHI_MS_WRITE_PERSISTENCY_LOSS_IMMINENT, \
560 "Write Persistency Loss Imminent" }, \
561 { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_POWER_LOSS, \
562 "All Data Loss in Event of Power Loss" }, \
563 { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_EVENT_SHUTDOWN, \
564 "All Data loss in the Event of Shutdown" }, \
565 { CXL_DHI_MS_WRITE_ALL_DATA_LOSS_IMMINENT, \
566 "All Data Loss Imminent" } \
567)
568
569#define CXL_DHI_AS_NORMAL 0x0
570#define CXL_DHI_AS_WARNING 0x1
571#define CXL_DHI_AS_CRITICAL 0x2
572#define show_two_bit_status(as) __print_symbolic(as, \
573 { CXL_DHI_AS_NORMAL, "Normal" }, \
574 { CXL_DHI_AS_WARNING, "Warning" }, \
575 { CXL_DHI_AS_CRITICAL, "Critical" } \
576)
577#define show_one_bit_status(as) __print_symbolic(as, \
578 { CXL_DHI_AS_NORMAL, "Normal" }, \
579 { CXL_DHI_AS_WARNING, "Warning" } \
580)
581
582#define CXL_DHI_AS_LIFE_USED(as) (as & 0x3)
583#define CXL_DHI_AS_DEV_TEMP(as) ((as & 0xC) >> 2)
584#define CXL_DHI_AS_COR_VOL_ERR_CNT(as) ((as & 0x10) >> 4)
585#define CXL_DHI_AS_COR_PER_ERR_CNT(as) ((as & 0x20) >> 5)
586
587TRACE_EVENT(cxl_memory_module,
588
589 TP_PROTO(const struct cxl_memdev *cxlmd, enum cxl_event_log_type log,
590 struct cxl_event_mem_module *rec),
591
592 TP_ARGS(cxlmd, log, rec),
593
594 TP_STRUCT__entry(
595 CXL_EVT_TP_entry
596
597 /* Memory Module Event */
598 __field(u8, event_type)
599
600 /* Device Health Info */
601 __field(u8, health_status)
602 __field(u8, media_status)
603 __field(u8, life_used)
604 __field(u32, dirty_shutdown_cnt)
605 __field(u32, cor_vol_err_cnt)
606 __field(u32, cor_per_err_cnt)
607 __field(s16, device_temp)
608 __field(u8, add_status)
609 ),
610
611 TP_fast_assign(
612 CXL_EVT_TP_fast_assign(cxlmd, log, rec->hdr);
613 __entry->hdr_uuid = CXL_EVENT_MEM_MODULE_UUID;
614
615 /* Memory Module Event */
616 __entry->event_type = rec->event_type;
617
618 /* Device Health Info */
619 __entry->health_status = rec->info.health_status;
620 __entry->media_status = rec->info.media_status;
621 __entry->life_used = rec->info.life_used;
622 __entry->dirty_shutdown_cnt = get_unaligned_le32(rec->info.dirty_shutdown_cnt);
623 __entry->cor_vol_err_cnt = get_unaligned_le32(rec->info.cor_vol_err_cnt);
624 __entry->cor_per_err_cnt = get_unaligned_le32(rec->info.cor_per_err_cnt);
625 __entry->device_temp = get_unaligned_le16(rec->info.device_temp);
626 __entry->add_status = rec->info.add_status;
627 ),
628
629 CXL_EVT_TP_printk("event_type='%s' health_status='%s' media_status='%s' " \
630 "as_life_used=%s as_dev_temp=%s as_cor_vol_err_cnt=%s " \
631 "as_cor_per_err_cnt=%s life_used=%u device_temp=%d " \
632 "dirty_shutdown_cnt=%u cor_vol_err_cnt=%u cor_per_err_cnt=%u",
633 show_dev_evt_type(__entry->event_type),
634 show_health_status_flags(__entry->health_status),
635 show_media_status(__entry->media_status),
636 show_two_bit_status(CXL_DHI_AS_LIFE_USED(__entry->add_status)),
637 show_two_bit_status(CXL_DHI_AS_DEV_TEMP(__entry->add_status)),
638 show_one_bit_status(CXL_DHI_AS_COR_VOL_ERR_CNT(__entry->add_status)),
639 show_one_bit_status(CXL_DHI_AS_COR_PER_ERR_CNT(__entry->add_status)),
640 __entry->life_used, __entry->device_temp,
641 __entry->dirty_shutdown_cnt, __entry->cor_vol_err_cnt,
642 __entry->cor_per_err_cnt
643 )
644);
645
646#define show_poison_trace_type(type) \
647 __print_symbolic(type, \
648 { CXL_POISON_TRACE_LIST, "List" }, \
649 { CXL_POISON_TRACE_INJECT, "Inject" }, \
650 { CXL_POISON_TRACE_CLEAR, "Clear" })
651
652#define __show_poison_source(source) \
653 __print_symbolic(source, \
654 { CXL_POISON_SOURCE_UNKNOWN, "Unknown" }, \
655 { CXL_POISON_SOURCE_EXTERNAL, "External" }, \
656 { CXL_POISON_SOURCE_INTERNAL, "Internal" }, \
657 { CXL_POISON_SOURCE_INJECTED, "Injected" }, \
658 { CXL_POISON_SOURCE_VENDOR, "Vendor" })
659
660#define show_poison_source(source) \
661 (((source > CXL_POISON_SOURCE_INJECTED) && \
662 (source != CXL_POISON_SOURCE_VENDOR)) ? "Reserved" \
663 : __show_poison_source(source))
664
665#define show_poison_flags(flags) \
666 __print_flags(flags, "|", \
667 { CXL_POISON_FLAG_MORE, "More" }, \
668 { CXL_POISON_FLAG_OVERFLOW, "Overflow" }, \
669 { CXL_POISON_FLAG_SCANNING, "Scanning" })
670
671#define __cxl_poison_addr(record) \
672 (le64_to_cpu(record->address))
673#define cxl_poison_record_dpa(record) \
674 (__cxl_poison_addr(record) & CXL_POISON_START_MASK)
675#define cxl_poison_record_source(record) \
676 (__cxl_poison_addr(record) & CXL_POISON_SOURCE_MASK)
677#define cxl_poison_record_dpa_length(record) \
678 (le32_to_cpu(record->length) * CXL_POISON_LEN_MULT)
679#define cxl_poison_overflow(flags, time) \
680 (flags & CXL_POISON_FLAG_OVERFLOW ? le64_to_cpu(time) : 0)
681
682TRACE_EVENT(cxl_poison,
683
684 TP_PROTO(struct cxl_memdev *cxlmd, struct cxl_region *cxlr,
685 const struct cxl_poison_record *record, u8 flags,
686 __le64 overflow_ts, enum cxl_poison_trace_type trace_type),
687
688 TP_ARGS(cxlmd, cxlr, record, flags, overflow_ts, trace_type),
689
690 TP_STRUCT__entry(
691 __string(memdev, dev_name(&cxlmd->dev))
692 __string(host, dev_name(cxlmd->dev.parent))
693 __field(u64, serial)
694 __field(u8, trace_type)
695 __string(region, cxlr ? dev_name(&cxlr->dev) : "")
696 __field(u64, overflow_ts)
697 __field(u64, hpa)
698 __field(u64, dpa)
699 __field(u32, dpa_length)
700 __array(char, uuid, 16)
701 __field(u8, source)
702 __field(u8, flags)
703 ),
704
705 TP_fast_assign(
706 __assign_str(memdev);
707 __assign_str(host);
708 __entry->serial = cxlmd->cxlds->serial;
709 __entry->overflow_ts = cxl_poison_overflow(flags, overflow_ts);
710 __entry->dpa = cxl_poison_record_dpa(record);
711 __entry->dpa_length = cxl_poison_record_dpa_length(record);
712 __entry->source = cxl_poison_record_source(record);
713 __entry->trace_type = trace_type;
714 __entry->flags = flags;
715 if (cxlr) {
716 __assign_str(region);
717 memcpy(__entry->uuid, &cxlr->params.uuid, 16);
718 __entry->hpa = cxl_dpa_to_hpa(cxlr, cxlmd,
719 __entry->dpa);
720 } else {
721 __assign_str(region);
722 memset(__entry->uuid, 0, 16);
723 __entry->hpa = ULLONG_MAX;
724 }
725 ),
726
727 TP_printk("memdev=%s host=%s serial=%lld trace_type=%s region=%s " \
728 "region_uuid=%pU hpa=0x%llx dpa=0x%llx dpa_length=0x%x " \
729 "source=%s flags=%s overflow_time=%llu",
730 __get_str(memdev),
731 __get_str(host),
732 __entry->serial,
733 show_poison_trace_type(__entry->trace_type),
734 __get_str(region),
735 __entry->uuid,
736 __entry->hpa,
737 __entry->dpa,
738 __entry->dpa_length,
739 show_poison_source(__entry->source),
740 show_poison_flags(__entry->flags),
741 __entry->overflow_ts
742 )
743);
744
745#endif /* _CXL_EVENTS_H */
746
747#define TRACE_INCLUDE_FILE trace
748#include <trace/define_trace.h>