From patchwork Tue Apr 7 12:00:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiju Jose X-Patchwork-Id: 11477991 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EB0A21392 for ; Tue, 7 Apr 2020 12:02:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D43112078A for ; Tue, 7 Apr 2020 12:02:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728535AbgDGMCg (ORCPT ); Tue, 7 Apr 2020 08:02:36 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:12691 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728514AbgDGMCg (ORCPT ); Tue, 7 Apr 2020 08:02:36 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D4FCD2F4798B7A04F03A; Tue, 7 Apr 2020 20:02:33 +0800 (CST) Received: from DESKTOP-6T4S3DQ.china.huawei.com (10.47.82.134) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Tue, 7 Apr 2020 20:02:26 +0800 From: Shiju Jose To: , , , , , , , , , , , , CC: , , , , Shiju Jose Subject: [v7 PATCH 3/6] ACPI / APEI: Add callback for AER to the GHES notifier Date: Tue, 7 Apr 2020 13:00:42 +0100 Message-ID: <20200407120045.958-4-shiju.jose@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20200407120045.958-1-shiju.jose@huawei.com> References: <20200407120045.958-1-shiju.jose@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.47.82.134] X-CFilter-Loop: Reflected Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add callback function for handling the AER to the GHES notifier. Signed-off-by: Shiju Jose --- drivers/acpi/apei/ghes.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 053c4a2ed96c..67ef1742fc93 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -527,11 +527,16 @@ static int ghes_handle_memory_failure(struct notifier_block *nb, * GHES_SEV_PANIC does not make it to this handling since the kernel must * panic. */ -static void ghes_handle_aer(struct acpi_hest_generic_data *gdata) +static int ghes_handle_aer(struct notifier_block *nb, unsigned long event, + void *data) { #ifdef CONFIG_ACPI_APEI_PCIEAER + struct acpi_hest_generic_data *gdata = data; struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata); + if (!guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PCIE)) + return NOTIFY_DONE; + if (pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { unsigned int devfn; @@ -556,12 +561,17 @@ static void ghes_handle_aer(struct acpi_hest_generic_data *gdata) pcie_err->aer_info); } #endif + return NOTIFY_STOP; } static struct notifier_block ghes_notifier_mem_error = { .notifier_call = ghes_handle_memory_failure, }; +static struct notifier_block ghes_notifier_aer = { + .notifier_call = ghes_handle_aer, +}; + struct ghes_error_handler_list { const char *name; struct notifier_block *nb; @@ -572,6 +582,10 @@ static const struct ghes_error_handler_list ghes_error_handler_list[] = { .name = "ghes_notifier_mem_error", .nb = &ghes_notifier_mem_error, }, + { + .name = "ghes_notifier_aer", + .nb = &ghes_notifier_aer, + }, }; static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list); @@ -657,10 +671,7 @@ static void ghes_do_proc(struct ghes *ghes, break; } - if (guid_equal(sec_type, &CPER_SEC_PCIE)) { - ghes_handle_aer(gdata); - } - else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) { + if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) { struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata); log_arm_hw_error(err);