Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935054AbcJURbX (ORCPT ); Fri, 21 Oct 2016 13:31:23 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:52428 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934407AbcJURbQ (ORCPT ); Fri, 21 Oct 2016 13:31:16 -0400 DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 40B2A61E53 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=tbaicar@codeaurora.org From: Tyler Baicar To: marc.zyngier@arm.com, pbonzini@redhat.com, rkrcmar@redhat.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, rjw@rjwysocki.net, lenb@kernel.org, matt@codeblueprint.co.uk, robert.moore@intel.com, lv.zheng@intel.com, nkaje@codeaurora.org, zjzhang@codeaurora.org, mark.rutland@arm.com, james.morse@arm.com, akpm@linux-foundation.org, eun.taik.lee@samsung.com, sandeepa.s.prabhu@gmail.com, shijie.huang@arm.com, rruigrok@codeaurora.org, paul.gortmaker@windriver.com, tomasz.nowicki@linaro.org, fu.wei@linaro.org, rostedt@goodmis.org, bristot@redhat.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-efi@vger.kernel.org, Suzuki.Poulose@arm.com, punit.agrawal@arm.com, astone@redhat.com, harba@codeaurora.org, hanjun.guo@linaro.org Cc: Tyler Baicar Subject: [PATCH V4 09/10] trace, ras: add ARM processor error trace event Date: Fri, 21 Oct 2016 11:30:12 -0600 Message-Id: <1477071013-29563-10-git-send-email-tbaicar@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1477071013-29563-1-git-send-email-tbaicar@codeaurora.org> References: <1477071013-29563-1-git-send-email-tbaicar@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4176 Lines: 126 Currently there are trace events for the various RAS errors with the exception of ARM processor type errors. Add a new trace event for such errors so that the user will know when they occur. These trace events are consistent with the ARM processor error section type defined in UEFI 2.6 spec section N.2.4.4. Signed-off-by: Tyler Baicar --- drivers/acpi/apei/ghes.c | 9 +++++++- drivers/firmware/efi/cper.c | 1 + drivers/ras/ras.c | 1 + include/ras/ras_event.h | 55 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 65 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index b1a1edb..ae6dedb 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -515,7 +515,14 @@ static void ghes_do_proc(struct ghes *ghes, } #endif - else { + else if (!uuid_le_cmp(sec_type, CPER_SEC_PROC_ARMV8)) { + struct cper_sec_proc_armv8 *armv8_err; + struct cper_armv8_err_info *err_info; + + armv8_err = acpi_hest_generic_data_payload(gdata); + err_info = (void *)(armv8_err +1); + trace_arm_event(armv8_err, err_info); + } else { void *unknown_err = acpi_hest_generic_data_payload(gdata); trace_unknown_sec_event(&sec_type, fru_id, fru_text, sec_sev, diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index 866a623..3a1a867 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -35,6 +35,7 @@ #include #include #include +#include #define INDENT_SP " " diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c index fb2500b..8ba5a94 100644 --- a/drivers/ras/ras.c +++ b/drivers/ras/ras.c @@ -28,3 +28,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event); #endif EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event); EXPORT_TRACEPOINT_SYMBOL_GPL(unknown_sec_event); +EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event); diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 5861b6f..0060bba 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -162,6 +162,61 @@ TRACE_EVENT(mc_event, ); /* + * 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. + */ +TRACE_EVENT(arm_event, + + TP_PROTO(const struct cper_sec_proc_armv8 *proc, + struct cper_armv8_err_info *err_info), + + TP_ARGS(proc, err_info), + + TP_STRUCT__entry( + __field(u64, mpidr) + __field(u64, midr) + __field(u64, info) + __field(u64, virt_fault_addr) + __field(u64, phys_fault_addr) + __field(u32, running_state) + __field(u32, psci_state) + __field(u16, err_count) + __field(u8, affinity) + __field(u8, version) + __field(u8, type) + __field(u8, flags) + ), + + TP_fast_assign( + __entry->affinity = proc->affinity_level; + __entry->mpidr = proc->mpidr; + __entry->midr = proc->midr; + __entry->running_state = proc->running_state; + __entry->psci_state = proc->psci_state; + __entry->version = err_info->version; + __entry->type = err_info->type; + __entry->err_count = err_info->multiple_error; + __entry->flags = err_info->flags; + __entry->info = err_info->error_info; + __entry->virt_fault_addr = err_info->virt_fault_addr; + __entry->phys_fault_addr = err_info->physical_fault_addr; + ), + + TP_printk("affinity level: %d; MPIDR: %016llx; MIDR: %016llx; " + "running state: %d; PSCI state: %d; version: %d; type: %d; " + "error count: 0x%04x; flags: 0x%02x; info: %016llx; " + "virtual fault address: %016llx; " + "physical fault address: %016llx", + __entry->affinity, __entry->mpidr, __entry->midr, + __entry->running_state, __entry->psci_state, __entry->version, + __entry->type, __entry->err_count, __entry->flags, + __entry->info, __entry->virt_fault_addr, + __entry->phys_fault_addr) +); + +/* * Unknown Section Report * * This event is generated when hardware detected a hardware -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.