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The event carries both Error Log registers. Assisted-by: LLM Signed-off-by: Yazen Ghannam --- drivers/pci/pcie/flit.c | 3 +++ include/ras/ras_event.h | 38 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/drivers/pci/pcie/flit.c b/drivers/pci/pcie/flit.c index 7c0b9c8dd481..9eb804035997 100644 --- a/drivers/pci/pcie/flit.c +++ b/drivers/pci/pcie/flit.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "portdrv.h" #include "../pci.h" @@ -205,6 +206,8 @@ static void flit_report(struct pci_dev *pdev, u32 err_log1, u32 err_log2) return; pci_warn(pdev, "ErrLog1: 0x%08x ErrLog2: 0x%08x\n", err_log1, err_log2); + + trace_flit_event(pci_name(pdev), err_log1, err_log2); } static irqreturn_t flit_ist(int irq, void *context) diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index fdb785fa4613..427585505dd6 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -381,6 +381,44 @@ TRACE_EVENT(aer_event, "Not available") ); #endif /* CONFIG_PCIEAER */ + +/* + * PCIe Flit Logging trace event + * + * One event is generated for each flit error the driver logs from the Flit + * Error Log of a PCIe Flit Mode port. + * + * char * dev_name - The name of the slot where the device resides + * ([domain:]bus:device.function). + * u32 err_log1 - Flit Error Log 1 register value. + * u32 err_log2 - Flit Error Log 2 register value. + */ +#ifdef CONFIG_PCIE_FLIT +TRACE_EVENT(flit_event, + TP_PROTO(const char *dev_name, + const u32 err_log1, + const u32 err_log2), + + TP_ARGS(dev_name, err_log1, err_log2), + + TP_STRUCT__entry( + __string( dev_name, dev_name ) + __field( u32, err_log1 ) + __field( u32, err_log2 ) + ), + + TP_fast_assign( + __assign_str(dev_name); + __entry->err_log1 = err_log1; + __entry->err_log2 = err_log2; + ), + + TP_printk("%s err_log1:0x%08x err_log2:0x%08x", + __get_str(dev_name), + __entry->err_log1, + __entry->err_log2) +); +#endif /* CONFIG_PCIE_FLIT */ #endif /* _TRACE_HW_EVENT_MC_H */ /* This part must be outside protection */ -- 2.43.0