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Signed-off-by: Tyler Baicar --- arch/arm64/kernel/ras.c | 4 +++ drivers/acpi/arm64/aest.c | 5 ++++ include/ras/ras_event.h | 55 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c index 31e2036a4c70..18071790b2a3 100644 --- a/arch/arm64/kernel/ras.c +++ b/arch/arm64/kernel/ras.c @@ -6,6 +6,8 @@ #include #include +#include + static bool ras_extn_v1p1(void) { unsigned long fld, reg = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1); @@ -95,6 +97,8 @@ void arch_arm_ras_report_error(u64 implemented, bool clear_misc) arch_arm_ras_print_error(®s, i, misc23_present); + trace_arm_ras_ext_event(0, cpu_num, 0, i, ®s); + /* * In the future, we will treat UER conditions as potentially * recoverable. diff --git a/drivers/acpi/arm64/aest.c b/drivers/acpi/arm64/aest.c index 2df4f2377e51..7ef1750f91b3 100644 --- a/drivers/acpi/arm64/aest.c +++ b/drivers/acpi/arm64/aest.c @@ -14,6 +14,8 @@ #include +#include + #undef pr_fmt #define pr_fmt(fmt) "ACPI AEST: " fmt @@ -126,6 +128,9 @@ static void aest_proc(struct aest_node_data *data) aest_print(data, regs, i, misc23_present); + trace_arm_ras_ext_event(data->node_type, data->data.vendor.acpi_hid, + data->data.vendor.acpi_uid, i, ®s); + if (regs.err_status & ERR_STATUS_UE) fatal = true; diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 0bdbc0d17d2f..27b2be9f950d 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -338,6 +338,61 @@ TRACE_EVENT(aer_event, "Not available") ); +/* + * ARM RAS Extension Events Report + * + * This event is generated when an error reported by the ARM RAS extension + * hardware is detected. + */ + +#ifdef CONFIG_ARM64_RAS_EXTN +#include +TRACE_EVENT(arm_ras_ext_event, + + TP_PROTO(u8 type, u32 id0, u32 id1, u32 index, struct ras_ext_regs *regs), + + TP_ARGS(type, id0, id1, index, regs), + + TP_STRUCT__entry( + __field(u8, type) + __field(u32, id0) + __field(u32, id1) + __field(u32, index) + __field(u64, err_fr) + __field(u64, err_ctlr) + __field(u64, err_status) + __field(u64, err_addr) + __field(u64, err_misc0) + __field(u64, err_misc1) + __field(u64, err_misc2) + __field(u64, err_misc3) + ), + + TP_fast_assign( + __entry->type = type; + __entry->id0 = id0; + __entry->id1 = id1; + __entry->index = index; + __entry->err_fr = regs->err_fr; + __entry->err_ctlr = regs->err_ctlr; + __entry->err_status = regs->err_status; + __entry->err_addr = regs->err_addr; + __entry->err_misc0 = regs->err_misc0; + __entry->err_misc1 = regs->err_misc1; + __entry->err_misc2 = regs->err_misc2; + __entry->err_misc3 = regs->err_misc3; + ), + + TP_printk("type: %d; id0: %d; id1: %d; index: %d; ERR_FR: %llx; ERR_CTLR: %llx; " + "ERR_STATUS: %llx; ERR_ADDR: %llx; ERR_MISC0: %llx; ERR_MISC1: %llx; " + "ERR_MISC2: %llx; ERR_MISC3: %llx", + __entry->type, __entry->id0, __entry->id1, __entry->index, __entry->err_fr, + __entry->err_ctlr, __entry->err_status, __entry->err_addr, + __entry->err_misc0, __entry->err_misc1, __entry->err_misc2, + __entry->err_misc3) +); +#endif + /* * memory-failure recovery action result event *