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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
commit4352b8aee98005853aa63f57d6377282de17a33f (patch)
tree27614d7a9ef05c32d089004e104364ce42324837 /include/ras
downloadlinux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz
linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni: "A new driver this cycle, for the AMD AXI I3C controller. There are also new features such as IBI wakeup support, SETAASA device discovery and ACPI support for the the DAA methods, meaning we can now communicate with the SPD devices on DDR5 modules. New driver: - AMD AXI I3C master controller Subsystem: - I3C Common Command Code (CCC) handling improvements, especially around GET CCCs - SETAASA device discovery support - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus - IBI-based wakeup support Drivers: - dw: SETAASA support - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C controller support, PIO queue management support for HCI v1.2 - renesas: improve suspend to RAM support, add runtime PM support" * tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits) i3c: dw: reduce do_daa time if there's no client i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2 i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode i3c: dw: rename "pclk" to "apb" to match dt-binding i3c: dw: make struct dw_i3c_cmd smaller i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding i3c: renesas: Don't register devices when ENTDAA times out i3c: master: dw-i3c-master: fix OD timing for first broadcast i3c: mipi-i3c-hci: Advertise IBI wakeup capability i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev() i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI i3c: master: Reject IBI requests from non-IBI-capable devices i3c: master: Add helper to query bus wakeup requirements i3c: master: Report wakeup events for IBIs i3c: master: Support IBI-based wakeup capability i3c: master: Fix potential UAF in i3c_device_match() i3c: master: Fix potential UAF in i3c_device_uevent() i3c: Make dev->desc locking assumptions explicit i3c: master: Fix use-after-free of master->this ...
Diffstat (limited to 'include/ras')
-rw-r--r--include/ras/ras_event.h387
1 files changed, 387 insertions, 0 deletions
diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
new file mode 100644
index 000000000..fdb785fa4
--- /dev/null
+++ b/include/ras/ras_event.h
@@ -0,0 +1,387 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ras
+#define TRACE_INCLUDE_FILE ras_event
+
+#if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HW_EVENT_MC_H
+
+#include <linux/tracepoint.h>
+#include <linux/edac.h>
+#include <linux/ktime.h>
+#include <linux/pci.h>
+#include <linux/aer.h>
+#include <linux/cper.h>
+
+/*
+ * MCE Extended Error Log trace event
+ *
+ * These events are generated when hardware detects a corrected or
+ * uncorrected event.
+ */
+
+/* memory trace event */
+
+#if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
+TRACE_EVENT(extlog_mem_event,
+ TP_PROTO(struct cper_sec_mem_err *mem,
+ u32 err_seq,
+ const guid_t *fru_id,
+ const char *fru_text,
+ u8 sev),
+
+ TP_ARGS(mem, err_seq, fru_id, fru_text, sev),
+
+ TP_STRUCT__entry(
+ __field(u32, err_seq)
+ __field(u8, etype)
+ __field(u8, sev)
+ __field(u64, pa)
+ __field(u8, pa_mask_lsb)
+ __field_struct(guid_t, fru_id)
+ __string(fru_text, fru_text)
+ __field_struct(struct cper_mem_err_compact, data)
+ ),
+
+ TP_fast_assign(
+ __entry->err_seq = err_seq;
+ if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
+ __entry->etype = mem->error_type;
+ else
+ __entry->etype = ~0;
+ __entry->sev = sev;
+ if (mem->validation_bits & CPER_MEM_VALID_PA)
+ __entry->pa = mem->physical_addr;
+ else
+ __entry->pa = ~0ull;
+
+ if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
+ __entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
+ else
+ __entry->pa_mask_lsb = ~0;
+ __entry->fru_id = *fru_id;
+ __assign_str(fru_text);
+ cper_mem_err_pack(mem, &__entry->data);
+ ),
+
+ TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
+ __entry->err_seq,
+ cper_severity_str(__entry->sev),
+ cper_mem_err_type_str(__entry->etype),
+ __entry->pa,
+ __entry->pa_mask_lsb,
+ cper_mem_err_unpack(p, &__entry->data),
+ &__entry->fru_id,
+ __get_str(fru_text))
+);
+#endif
+
+/*
+ * Hardware Events Report
+ *
+ * Those events are generated when hardware detected a corrected or
+ * uncorrected event, and are meant to replace the current API to report
+ * errors defined on both EDAC and MCE subsystems.
+ *
+ * FIXME: Add events for handling memory errors originated from the
+ * MCE subsystem.
+ */
+
+/*
+ * Hardware-independent Memory Controller specific events
+ */
+
+/*
+ * Default error mechanisms for Memory Controller errors (CE and UE)
+ */
+TRACE_EVENT(mc_event,
+
+ TP_PROTO(const unsigned int err_type,
+ const char *error_msg,
+ const char *label,
+ const int error_count,
+ const u8 mc_index,
+ const s8 top_layer,
+ const s8 mid_layer,
+ const s8 low_layer,
+ unsigned long address,
+ const u8 grain_bits,
+ unsigned long syndrome,
+ const char *driver_detail),
+
+ TP_ARGS(err_type, error_msg, label, error_count, mc_index,
+ top_layer, mid_layer, low_layer, address, grain_bits,
+ syndrome, driver_detail),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, error_type )
+ __string( msg, error_msg )
+ __string( label, label )
+ __field( u16, error_count )
+ __field( u8, mc_index )
+ __field( s8, top_layer )
+ __field( s8, middle_layer )
+ __field( s8, lower_layer )
+ __field( long, address )
+ __field( u8, grain_bits )
+ __field( long, syndrome )
+ __string( driver_detail, driver_detail )
+ ),
+
+ TP_fast_assign(
+ __entry->error_type = err_type;
+ __assign_str(msg);
+ __assign_str(label);
+ __entry->error_count = error_count;
+ __entry->mc_index = mc_index;
+ __entry->top_layer = top_layer;
+ __entry->middle_layer = mid_layer;
+ __entry->lower_layer = low_layer;
+ __entry->address = address;
+ __entry->grain_bits = grain_bits;
+ __entry->syndrome = syndrome;
+ __assign_str(driver_detail);
+ ),
+
+ TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
+ __entry->error_count,
+ mc_event_error_type(__entry->error_type),
+ __entry->error_count > 1 ? "s" : "",
+ __get_str(msg)[0] ? " " : "",
+ __get_str(msg),
+ __get_str(label),
+ __entry->mc_index,
+ __entry->top_layer,
+ __entry->middle_layer,
+ __entry->lower_layer,
+ __entry->address,
+ 1 << __entry->grain_bits,
+ __entry->syndrome,
+ __get_str(driver_detail)[0] ? " " : "",
+ __get_str(driver_detail))
+);
+
+/*
+ * ARM Processor Events Report
+ *
+ * This event is generated when hardware detects an ARM processor error
+ * has occurred. UEFI 2.6 spec section N.2.4.4.
+ */
+#define APEIL "ARM Processor Err Info data len"
+#define APEID "ARM Processor Err Info raw data"
+#define APECIL "ARM Processor Err Context Info data len"
+#define APECID "ARM Processor Err Context Info raw data"
+#define VSEIL "Vendor Specific Err Info data len"
+#define VSEID "Vendor Specific Err Info raw data"
+TRACE_EVENT(arm_event,
+
+ TP_PROTO(const struct cper_sec_proc_arm *proc,
+ const u8 *pei_err,
+ const u32 pei_len,
+ const u8 *ctx_err,
+ const u32 ctx_len,
+ const u8 *oem,
+ const u32 oem_len,
+ u8 sev,
+ int cpu),
+
+ TP_ARGS(proc, pei_err, pei_len, ctx_err, ctx_len, oem, oem_len, sev, cpu),
+
+ TP_STRUCT__entry(
+ __field(u64, mpidr)
+ __field(u64, midr)
+ __field(u32, running_state)
+ __field(u32, psci_state)
+ __field(u8, affinity)
+ __field(u32, pei_len)
+ __dynamic_array(u8, pei_buf, pei_len)
+ __field(u32, ctx_len)
+ __dynamic_array(u8, ctx_buf, ctx_len)
+ __field(u32, oem_len)
+ __dynamic_array(u8, oem_buf, oem_len)
+ __field(u8, sev)
+ __field(int, cpu)
+ ),
+
+ TP_fast_assign(
+ if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL)
+ __entry->affinity = proc->affinity_level;
+ else
+ __entry->affinity = ~0;
+ if (proc->validation_bits & CPER_ARM_VALID_MPIDR)
+ __entry->mpidr = proc->mpidr;
+ else
+ __entry->mpidr = 0ULL;
+ __entry->midr = proc->midr;
+ if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) {
+ __entry->running_state = proc->running_state;
+ __entry->psci_state = proc->psci_state;
+ } else {
+ __entry->running_state = ~0;
+ __entry->psci_state = ~0;
+ }
+ __entry->pei_len = pei_len;
+ memcpy(__get_dynamic_array(pei_buf), pei_err, pei_len);
+ __entry->ctx_len = ctx_len;
+ memcpy(__get_dynamic_array(ctx_buf), ctx_err, ctx_len);
+ __entry->oem_len = oem_len;
+ memcpy(__get_dynamic_array(oem_buf), oem, oem_len);
+ __entry->sev = sev;
+ __entry->cpu = cpu;
+ ),
+
+ TP_printk("cpu: %d; error: %d; affinity level: %d; MPIDR: %016llx; MIDR: %016llx; "
+ "running state: %d; PSCI state: %d; "
+ "%s: %d; %s: %s; %s: %d; %s: %s; %s: %d; %s: %s",
+ __entry->cpu,
+ __entry->sev,
+ __entry->affinity, __entry->mpidr, __entry->midr,
+ __entry->running_state, __entry->psci_state,
+ APEIL, __entry->pei_len, APEID,
+ __print_hex(__get_dynamic_array(pei_buf), __entry->pei_len),
+ APECIL, __entry->ctx_len, APECID,
+ __print_hex(__get_dynamic_array(ctx_buf), __entry->ctx_len),
+ VSEIL, __entry->oem_len, VSEID,
+ __print_hex(__get_dynamic_array(oem_buf), __entry->oem_len))
+);
+
+/*
+ * Non-Standard Section Report
+ *
+ * This event is generated when hardware detected a hardware
+ * error event, which may be of non-standard section as defined
+ * in UEFI spec appendix "Common Platform Error Record", or may
+ * be of sections for which TRACE_EVENT is not defined.
+ *
+ */
+TRACE_EVENT(non_standard_event,
+
+ TP_PROTO(const guid_t *sec_type,
+ const guid_t *fru_id,
+ const char *fru_text,
+ const u8 sev,
+ const u8 *err,
+ const u32 len),
+
+ TP_ARGS(sec_type, fru_id, fru_text, sev, err, len),
+
+ TP_STRUCT__entry(
+ __array(char, sec_type, UUID_SIZE)
+ __array(char, fru_id, UUID_SIZE)
+ __string(fru_text, fru_text)
+ __field(u8, sev)
+ __field(u32, len)
+ __dynamic_array(u8, buf, len)
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->sec_type, sec_type, UUID_SIZE);
+ memcpy(__entry->fru_id, fru_id, UUID_SIZE);
+ __assign_str(fru_text);
+ __entry->sev = sev;
+ __entry->len = len;
+ memcpy(__get_dynamic_array(buf), err, len);
+ ),
+
+ TP_printk("severity: %d; sec type:%pU; FRU: %pU %s; data len:%d; raw data:%s",
+ __entry->sev, __entry->sec_type,
+ __entry->fru_id, __get_str(fru_text),
+ __entry->len,
+ __print_hex(__get_dynamic_array(buf), __entry->len))
+);
+
+#ifdef CONFIG_PCIEAER
+/*
+ * PCIe AER Trace event
+ *
+ * These events are generated when hardware detects a corrected or
+ * uncorrected event on a PCIe device. The event report has
+ * the following structure:
+ *
+ * char * dev_name - The name of the slot where the device resides
+ * ([domain:]bus:device.function).
+ * u32 status - Either the correctable or uncorrectable register
+ * indicating what error or errors have been seen
+ * u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED
+ */
+
+#define aer_correctable_errors \
+ {PCI_ERR_COR_RCVR, "Receiver Error"}, \
+ {PCI_ERR_COR_BAD_TLP, "Bad TLP"}, \
+ {PCI_ERR_COR_BAD_DLLP, "Bad DLLP"}, \
+ {PCI_ERR_COR_REP_ROLL, "RELAY_NUM Rollover"}, \
+ {PCI_ERR_COR_REP_TIMER, "Replay Timer Timeout"}, \
+ {PCI_ERR_COR_ADV_NFAT, "Advisory Non-Fatal Error"}, \
+ {PCI_ERR_COR_INTERNAL, "Corrected Internal Error"}, \
+ {PCI_ERR_COR_LOG_OVER, "Header Log Overflow"}
+
+#define aer_uncorrectable_errors \
+ {PCI_ERR_UNC_UND, "Undefined"}, \
+ {PCI_ERR_UNC_DLP, "Data Link Protocol Error"}, \
+ {PCI_ERR_UNC_SURPDN, "Surprise Down Error"}, \
+ {PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"}, \
+ {PCI_ERR_UNC_FCP, "Flow Control Protocol Error"}, \
+ {PCI_ERR_UNC_COMP_TIME, "Completion Timeout"}, \
+ {PCI_ERR_UNC_COMP_ABORT,"Completer Abort"}, \
+ {PCI_ERR_UNC_UNX_COMP, "Unexpected Completion"}, \
+ {PCI_ERR_UNC_RX_OVER, "Receiver Overflow"}, \
+ {PCI_ERR_UNC_MALF_TLP, "Malformed TLP"}, \
+ {PCI_ERR_UNC_ECRC, "ECRC Error"}, \
+ {PCI_ERR_UNC_UNSUP, "Unsupported Request Error"}, \
+ {PCI_ERR_UNC_ACSV, "ACS Violation"}, \
+ {PCI_ERR_UNC_INTN, "Uncorrectable Internal Error"},\
+ {PCI_ERR_UNC_MCBTLP, "MC Blocked TLP"}, \
+ {PCI_ERR_UNC_ATOMEG, "AtomicOp Egress Blocked"}, \
+ {PCI_ERR_UNC_TLPPRE, "TLP Prefix Blocked Error"}
+
+TRACE_EVENT(aer_event,
+ TP_PROTO(const char *dev_name,
+ const u32 status,
+ const u8 severity,
+ const u8 tlp_header_valid,
+ struct pcie_tlp_log *tlp,
+ const char *bus_type),
+
+
+ TP_ARGS(dev_name, status, severity, tlp_header_valid, tlp, bus_type),
+
+ TP_STRUCT__entry(
+ __string( dev_name, dev_name )
+ __field( u32, status )
+ __field( u8, severity )
+ __field( u8, tlp_header_valid)
+ __array( u32, tlp_header, PCIE_STD_MAX_TLP_HEADERLOG)
+ __string( bus_type, bus_type )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev_name);
+ __assign_str(bus_type);
+ __entry->status = status;
+ __entry->severity = severity;
+ __entry->tlp_header_valid = tlp_header_valid;
+ if (tlp_header_valid) {
+ int i;
+
+ for (i = 0; i < PCIE_STD_MAX_TLP_HEADERLOG; i++)
+ __entry->tlp_header[i] = tlp->dw[i];
+ }
+ ),
+
+ TP_printk("%s %s Bus Error: severity=%s, %s, TLP Header=%s\n",
+ __get_str(dev_name), __get_str(bus_type),
+ __entry->severity == AER_CORRECTABLE ? "Corrected" :
+ __entry->severity == AER_FATAL ?
+ "Fatal" : "Uncorrected, non-fatal",
+ __entry->severity == AER_CORRECTABLE ?
+ __print_flags(__entry->status, "|", aer_correctable_errors) :
+ __print_flags(__entry->status, "|", aer_uncorrectable_errors),
+ __entry->tlp_header_valid ?
+ __print_array(__entry->tlp_header, PCIE_STD_MAX_TLP_HEADERLOG, 4) :
+ "Not available")
+);
+#endif /* CONFIG_PCIEAER */
+#endif /* _TRACE_HW_EVENT_MC_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>