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-rw-r--r--include/trace/events/cxl.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
new file mode 100644
index 000000000000..ad085a2534ef
--- /dev/null
+++ b/include/trace/events/cxl.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cxl
+
+#if !defined(_CXL_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _CXL_EVENTS_H
+
+#include <linux/tracepoint.h>
+
+#define CXL_HEADERLOG_SIZE SZ_512
+#define CXL_HEADERLOG_SIZE_U32 SZ_512 / sizeof(u32)
+
+#define CXL_RAS_UC_CACHE_DATA_PARITY BIT(0)
+#define CXL_RAS_UC_CACHE_ADDR_PARITY BIT(1)
+#define CXL_RAS_UC_CACHE_BE_PARITY BIT(2)
+#define CXL_RAS_UC_CACHE_DATA_ECC BIT(3)
+#define CXL_RAS_UC_MEM_DATA_PARITY BIT(4)
+#define CXL_RAS_UC_MEM_ADDR_PARITY BIT(5)
+#define CXL_RAS_UC_MEM_BE_PARITY BIT(6)
+#define CXL_RAS_UC_MEM_DATA_ECC BIT(7)
+#define CXL_RAS_UC_REINIT_THRESH BIT(8)
+#define CXL_RAS_UC_RSVD_ENCODE BIT(9)
+#define CXL_RAS_UC_POISON BIT(10)
+#define CXL_RAS_UC_RECV_OVERFLOW BIT(11)
+#define CXL_RAS_UC_INTERNAL_ERR BIT(14)
+#define CXL_RAS_UC_IDE_TX_ERR BIT(15)
+#define CXL_RAS_UC_IDE_RX_ERR BIT(16)
+
+#define show_uc_errs(status) __print_flags(status, " | ", \
+ { CXL_RAS_UC_CACHE_DATA_PARITY, "Cache Data Parity Error" }, \
+ { CXL_RAS_UC_CACHE_ADDR_PARITY, "Cache Address Parity Error" }, \
+ { CXL_RAS_UC_CACHE_BE_PARITY, "Cache Byte Enable Parity Error" }, \
+ { CXL_RAS_UC_CACHE_DATA_ECC, "Cache Data ECC Error" }, \
+ { CXL_RAS_UC_MEM_DATA_PARITY, "Memory Data Parity Error" }, \
+ { CXL_RAS_UC_MEM_ADDR_PARITY, "Memory Address Parity Error" }, \
+ { CXL_RAS_UC_MEM_BE_PARITY, "Memory Byte Enable Parity Error" }, \
+ { CXL_RAS_UC_MEM_DATA_ECC, "Memory Data ECC Error" }, \
+ { CXL_RAS_UC_REINIT_THRESH, "REINIT Threshold Hit" }, \
+ { CXL_RAS_UC_RSVD_ENCODE, "Received Unrecognized Encoding" }, \
+ { CXL_RAS_UC_POISON, "Received Poison From Peer" }, \
+ { CXL_RAS_UC_RECV_OVERFLOW, "Receiver Overflow" }, \
+ { CXL_RAS_UC_INTERNAL_ERR, "Component Specific Error" }, \
+ { CXL_RAS_UC_IDE_TX_ERR, "IDE Tx Error" }, \
+ { CXL_RAS_UC_IDE_RX_ERR, "IDE Rx Error" } \
+)
+
+TRACE_EVENT(cxl_aer_uncorrectable_error,
+ TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl),
+ TP_ARGS(dev, status, fe, hl),
+ TP_STRUCT__entry(
+ __string(dev_name, dev_name(dev))
+ __field(u32, status)
+ __field(u32, first_error)
+ __array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
+ ),
+ TP_fast_assign(
+ __assign_str(dev_name, dev_name(dev));
+ __entry->status = status;
+ __entry->first_error = fe;
+ /*
+ * Embed the 512B headerlog data for user app retrieval and
+ * parsing, but no need to print this in the trace buffer.
+ */
+ memcpy(__entry->header_log, hl, CXL_HEADERLOG_SIZE);
+ ),
+ TP_printk("%s: status: '%s' first_error: '%s'",
+ __get_str(dev_name),
+ show_uc_errs(__entry->status),
+ show_uc_errs(__entry->first_error)
+ )
+);
+
+#define CXL_RAS_CE_CACHE_DATA_ECC BIT(0)
+#define CXL_RAS_CE_MEM_DATA_ECC BIT(1)
+#define CXL_RAS_CE_CRC_THRESH BIT(2)
+#define CLX_RAS_CE_RETRY_THRESH BIT(3)
+#define CXL_RAS_CE_CACHE_POISON BIT(4)
+#define CXL_RAS_CE_MEM_POISON BIT(5)
+#define CXL_RAS_CE_PHYS_LAYER_ERR BIT(6)
+
+#define show_ce_errs(status) __print_flags(status, " | ", \
+ { CXL_RAS_CE_CACHE_DATA_ECC, "Cache Data ECC Error" }, \
+ { CXL_RAS_CE_MEM_DATA_ECC, "Memory Data ECC Error" }, \
+ { CXL_RAS_CE_CRC_THRESH, "CRC Threshold Hit" }, \
+ { CLX_RAS_CE_RETRY_THRESH, "Retry Threshold" }, \
+ { CXL_RAS_CE_CACHE_POISON, "Received Cache Poison From Peer" }, \
+ { CXL_RAS_CE_MEM_POISON, "Received Memory Poison From Peer" }, \
+ { CXL_RAS_CE_PHYS_LAYER_ERR, "Received Error From Physical Layer" } \
+)
+
+TRACE_EVENT(cxl_aer_correctable_error,
+ TP_PROTO(const struct device *dev, u32 status),
+ TP_ARGS(dev, status),
+ TP_STRUCT__entry(
+ __string(dev_name, dev_name(dev))
+ __field(u32, status)
+ ),
+ TP_fast_assign(
+ __assign_str(dev_name, dev_name(dev));
+ __entry->status = status;
+ ),
+ TP_printk("%s: status: '%s'",
+ __get_str(dev_name), show_ce_errs(__entry->status)
+ )
+);
+
+#endif /* _CXL_EVENTS_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE cxl
+#include <trace/define_trace.h>