From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A5ADC77B72 for ; Thu, 6 Apr 2023 23:43:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238656AbjDFXnb (ORCPT ); Thu, 6 Apr 2023 19:43:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238763AbjDFXmd (ORCPT ); Thu, 6 Apr 2023 19:42:33 -0400 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2084.outbound.protection.outlook.com [40.107.220.84]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F781A5E7 for ; Thu, 6 Apr 2023 16:42:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=EDlH0UEwgOjhFFd8QGOJE1O37C9EvsSdnYVOfTezdpI1BcbtP4cP9jCQsKVFit4kwFwqqtcsH1cOCzUvnzKoH572E/N1o5BU1ypjFAzb+hadheyl9cktlYguTfKXZ5XyrgAbA8Pgwu5BhwHBEBr1G8fzUj3xx10fcDrcFmrd6CQdQUlFNlCX2nNpKFMhfgNHJM2XfBgn6UQV/+Qrsp2hthmdty3um9vR54su+kj9xFbibm18PhXIBnhZTOYZJWGmG50bhol6m/WnyJd4YlHQlbTpXtSAUVqc7utg5Ti+JgWEBKWOfRzSnKTiO7B2b6MSnoy/vq8ONPIGIjjK9NoIcA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=JbJyPdorxOu6OOb5JLLCnS9B4yrOdjVCEBaATdKOQyQ=; b=ZyMX1qPmMhWnZKWQQ3CGngnGYg3XXmlVQP6lcb2TsYVzrY7icn9vv2xcontRicgwBjkibu233RtJpcR6q/uC7EveYiWXed4cbfZUD2MY9iGXG0cKo8lgNSO38/iCDe21Q7rmHMfDShwKlqdf8EED3BFrIJDoikwzAEhVSIbHqH35dD7WHCctyU1TAVO7+mW0I66AOfr4Kb8Ytd8CCG6Zf4WNci7c8X4dHiEoVROXEh1TLzlphfyLxGnzrWiPfauC1txaPhMXSP6A8iSKQNcbBMT8RiPhP3wp9dzayltEbRws2nTmtapvGKhuQPWCdpJFJY+pqIpoX3aa/zFsG6j6RA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=davemloft.net smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=JbJyPdorxOu6OOb5JLLCnS9B4yrOdjVCEBaATdKOQyQ=; b=TPc2xNo4qOfmjlY7upk/jA0qeqqDZWMp+i/evdmkgFZuPUb/rHmZAHCp9Y3VsdT61kBXhOwvbrF5Q8BLTY+aXNbxv1RnP7S5C8UpTjFPDZkp3HVKVnQZESfxherdUwpkfoGkD54mP/0CVhWywlTNNDUr3M7DZSlsWMDcq2ZU8Bo= Received: from DM5PR07CA0099.namprd07.prod.outlook.com (2603:10b6:4:ae::28) by IA1PR12MB6434.namprd12.prod.outlook.com (2603:10b6:208:3ae::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6254.30; Thu, 6 Apr 2023 23:42:28 +0000 Received: from DM6NAM11FT067.eop-nam11.prod.protection.outlook.com (2603:10b6:4:ae:cafe::a5) by DM5PR07CA0099.outlook.office365.com (2603:10b6:4:ae::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.31 via Frontend Transport; Thu, 6 Apr 2023 23:42:28 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT067.mail.protection.outlook.com (10.13.172.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6298.19 via Frontend Transport; Thu, 6 Apr 2023 23:42:28 +0000 Received: from driver-dev1.pensando.io (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 6 Apr 2023 18:42:27 -0500 From: Shannon Nelson To: , , , , CC: , , Subject: [PATCH v9 net-next 13/14] pds_core: publish events to the clients Date: Thu, 6 Apr 2023 16:41:42 -0700 Message-ID: <20230406234143.11318-14-shannon.nelson@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230406234143.11318-1-shannon.nelson@amd.com> References: <20230406234143.11318-1-shannon.nelson@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT067:EE_|IA1PR12MB6434:EE_ X-MS-Office365-Filtering-Correlation-Id: f9f5486f-49c1-4d06-032e-08db36f89551 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(346002)(396003)(376002)(136003)(39860400002)(451199021)(36840700001)(46966006)(40470700004)(82310400005)(40480700001)(40460700003)(82740400003)(316002)(110136005)(1076003)(36860700001)(81166007)(356005)(8676002)(70586007)(70206006)(26005)(16526019)(4326008)(186003)(6666004)(2616005)(47076005)(426003)(478600001)(336012)(83380400001)(8936002)(41300700001)(54906003)(5660300002)(44832011)(2906002)(36756003)(86362001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Apr 2023 23:42:28.7179 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f9f5486f-49c1-4d06-032e-08db36f89551 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT067.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6434 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When the Core device gets an event from the device, or notices the device FW to be up or down, it needs to send those events on to the clients that have an event handler. Add the code to pass along the events to the clients. The entry points pdsc_register_notify() and pdsc_unregister_notify() are EXPORTed for other drivers that want to listen for these events. Signed-off-by: Shannon Nelson --- drivers/net/ethernet/amd/pds_core/adminq.c | 2 ++ drivers/net/ethernet/amd/pds_core/core.c | 32 ++++++++++++++++++++++ drivers/net/ethernet/amd/pds_core/core.h | 3 ++ include/linux/pds/pds_common.h | 2 ++ 4 files changed, 39 insertions(+) diff --git a/drivers/net/ethernet/amd/pds_core/adminq.c b/drivers/net/ethernet/amd/pds_core/adminq.c index 25c7dd0d37e5..bb18ac1aabab 100644 --- a/drivers/net/ethernet/amd/pds_core/adminq.c +++ b/drivers/net/ethernet/amd/pds_core/adminq.c @@ -27,11 +27,13 @@ static int pdsc_process_notifyq(struct pdsc_qcq *qcq) case PDS_EVENT_LINK_CHANGE: dev_info(pdsc->dev, "NotifyQ LINK_CHANGE ecode %d eid %lld\n", ecode, eid); + pdsc_notify(PDS_EVENT_LINK_CHANGE, comp); break; case PDS_EVENT_RESET: dev_info(pdsc->dev, "NotifyQ RESET ecode %d eid %lld\n", ecode, eid); + pdsc_notify(PDS_EVENT_RESET, comp); break; case PDS_EVENT_XCVR: diff --git a/drivers/net/ethernet/amd/pds_core/core.c b/drivers/net/ethernet/amd/pds_core/core.c index ec088d490d34..b2790be0fc46 100644 --- a/drivers/net/ethernet/amd/pds_core/core.c +++ b/drivers/net/ethernet/amd/pds_core/core.c @@ -6,6 +6,25 @@ #include "core.h" +static BLOCKING_NOTIFIER_HEAD(pds_notify_chain); + +int pdsc_register_notify(struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&pds_notify_chain, nb); +} +EXPORT_SYMBOL_GPL(pdsc_register_notify); + +void pdsc_unregister_notify(struct notifier_block *nb) +{ + blocking_notifier_chain_unregister(&pds_notify_chain, nb); +} +EXPORT_SYMBOL_GPL(pdsc_unregister_notify); + +void pdsc_notify(unsigned long event, void *data) +{ + blocking_notifier_call_chain(&pds_notify_chain, event, data); +} + void pdsc_intr_free(struct pdsc *pdsc, int index) { struct pdsc_intr_info *intr_info; @@ -513,12 +532,19 @@ void pdsc_stop(struct pdsc *pdsc) static void pdsc_fw_down(struct pdsc *pdsc) { + union pds_core_notifyq_comp reset_event = { + .reset.ecode = cpu_to_le16(PDS_EVENT_RESET), + .reset.state = 0, + }; + if (test_and_set_bit(PDSC_S_FW_DEAD, &pdsc->state)) { dev_err(pdsc->dev, "%s: already happening\n", __func__); return; } + /* Notify clients of fw_down */ devlink_health_report(pdsc->fw_reporter, "FW down reported", pdsc); + pdsc_notify(PDS_EVENT_RESET, &reset_event); pdsc_mask_interrupts(pdsc); pdsc_teardown(pdsc, PDSC_TEARDOWN_RECOVERY); @@ -526,6 +552,10 @@ static void pdsc_fw_down(struct pdsc *pdsc) static void pdsc_fw_up(struct pdsc *pdsc) { + union pds_core_notifyq_comp reset_event = { + .reset.ecode = cpu_to_le16(PDS_EVENT_RESET), + .reset.state = 1, + }; int err; if (!test_bit(PDSC_S_FW_DEAD, &pdsc->state)) { @@ -541,9 +571,11 @@ static void pdsc_fw_up(struct pdsc *pdsc) if (err) goto err_out; + /* Notify clients of fw_up */ pdsc->fw_recoveries++; devlink_health_reporter_state_update(pdsc->fw_reporter, DEVLINK_HEALTH_REPORTER_STATE_HEALTHY); + pdsc_notify(PDS_EVENT_RESET, &reset_event); return; diff --git a/drivers/net/ethernet/amd/pds_core/core.h b/drivers/net/ethernet/amd/pds_core/core.h index aab4986007b9..2215e4915e6a 100644 --- a/drivers/net/ethernet/amd/pds_core/core.h +++ b/drivers/net/ethernet/amd/pds_core/core.h @@ -310,6 +310,9 @@ int pdsc_start(struct pdsc *pdsc); void pdsc_stop(struct pdsc *pdsc); void pdsc_health_thread(struct work_struct *work); +int pdsc_register_notify(struct notifier_block *nb); +void pdsc_unregister_notify(struct notifier_block *nb); +void pdsc_notify(unsigned long event, void *data); int pdsc_auxbus_dev_add_vf(struct pdsc *vf, struct pdsc *pf); int pdsc_auxbus_dev_del_vf(struct pdsc *vf, struct pdsc *pf); diff --git a/include/linux/pds/pds_common.h b/include/linux/pds/pds_common.h index 898f3c7b14b7..17708a142349 100644 --- a/include/linux/pds/pds_common.h +++ b/include/linux/pds/pds_common.h @@ -91,5 +91,7 @@ enum pds_core_logical_qtype { PDS_CORE_QTYPE_MAX = 16 /* don't change - used in struct size */ }; +int pdsc_register_notify(struct notifier_block *nb); +void pdsc_unregister_notify(struct notifier_block *nb); void *pdsc_get_pf_struct(struct pci_dev *vf_pdev); #endif /* _PDS_COMMON_H_ */ -- 2.17.1