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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0EBA6CAC5B0 for ; Fri, 26 Sep 2025 00:02:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Z8UOaEZ4LKBa8Cv2fc/mU20txsuLs1wNE0HmjUnkxUE=; b=Jra/vJNhHsn2TVCb6Jk9DOFpu+ rQiMX4BHowU5dpOziEuk9HMkuY4V7KSj6S1QJDOe2qzfnQ0WycQGXFqt7mMVAX9Fds17I9JaZvNyw qaGJyRcRKdH89agb4wrTfZtYLDPlpnbD6RnkGBDfYIHz+lNmT3D6hcJiX182W+h8Yx/Q8DFYcWaGM VYvhWiahEhAvlicHtMkMwc3oGKsJpKPyQLB9bT2bB8IqRv1xcAmZVO0XMYTBZU0PCdOZlFT/czsWS 4P8SkybkZceSk4huarUC6Zp4CbIxvCykqRMfrwa6rN9U07p/4KD0WVoQtPEi5ZFx9vhTEcg7W0abO rGCypLMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v1vv0-0000000EAlX-26Ct; Fri, 26 Sep 2025 00:02:34 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v1vuy-0000000EAia-11KX for linux-nvme@lists.infradead.org; Fri, 26 Sep 2025 00:02:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1758844951; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Z8UOaEZ4LKBa8Cv2fc/mU20txsuLs1wNE0HmjUnkxUE=; b=fKVYRqSCdNiUOx9/biAwGoHsnpBU3GxmW1CLvJpsdWnGqTw6RlRuEe0jVa0kbwhXouBg5r A1XGdAv2DPB9aDpB43ITZX8ucZckp8LfZ0YdCdTOkXtRq93LATnPVDufw4ur+HHkF303B2 z8sDrd6gMAKENrM6VoFzD1of80bHQUc= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-92-uqh2yhIIM-eYr4vqpNqVeQ-1; Thu, 25 Sep 2025 20:02:25 -0400 X-MC-Unique: uqh2yhIIM-eYr4vqpNqVeQ-1 X-Mimecast-MFC-AGG-ID: uqh2yhIIM-eYr4vqpNqVeQ_1758844942 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 29F3D1800371; Fri, 26 Sep 2025 00:02:22 +0000 (UTC) Received: from jmeneghi-thinkpadp1gen7.rmtusnh.csb (unknown [10.22.81.200]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id ABBCF180035E; Fri, 26 Sep 2025 00:02:18 +0000 (UTC) From: John Meneghini To: hare@suse.de, kbusch@kernel.org, martin.petersen@oracle.com, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Cc: bgurney@redhat.com, axboe@kernel.dk, emilne@redhat.com, gustavoars@kernel.org, hch@lst.de, james.smart@broadcom.com, jmeneghi@redhat.com, kees@kernel.org, linux-hardening@vger.kernel.org, njavali@marvell.com, sagi@grimberg.me Subject: [PATCH v10 04/11] nvme: sysfs: emit the marginal path state in show_state() Date: Thu, 25 Sep 2025 20:01:53 -0400 Message-ID: <20250926000200.837025-5-jmeneghi@redhat.com> In-Reply-To: <20250926000200.837025-1-jmeneghi@redhat.com> References: <20250926000200.837025-1-jmeneghi@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250925_170232_349677_CBD2EA20 X-CRM114-Status: GOOD ( 10.57 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Bryan Gurney If a controller has received a link integrity or congestion event, and has the NVME_CTRL_MARGINAL flag set, emit "marginal" in the state instead of "live", to identify the marginal paths. Co-developed-by: John Meneghini Signed-off-by: John Meneghini Reviewed-by: Hannes Reinecke Reviewed-by: Chaitanya Kulkarni Tested-by: Muneendra Kumar Signed-off-by: Bryan Gurney --- drivers/nvme/host/sysfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c index 29430949ce2f..4a6135c2f9cb 100644 --- a/drivers/nvme/host/sysfs.c +++ b/drivers/nvme/host/sysfs.c @@ -430,7 +430,9 @@ static ssize_t nvme_sysfs_show_state(struct device *dev, }; if (state < ARRAY_SIZE(state_name) && state_name[state]) - return sysfs_emit(buf, "%s\n", state_name[state]); + return sysfs_emit(buf, "%s\n", + (nvme_ctrl_is_marginal(ctrl)) ? "marginal" : + state_name[state]); return sysfs_emit(buf, "unknown state\n"); } -- 2.51.0