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 DE97CE7491F for ; Mon, 2 Oct 2023 19:51:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238937AbjJBTvU (ORCPT ); Mon, 2 Oct 2023 15:51:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238959AbjJBTvT (ORCPT ); Mon, 2 Oct 2023 15:51:19 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF4FF91 for ; Mon, 2 Oct 2023 12:51:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1696276277; x=1727812277; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QwfgPNdIDVDQ/YpfxtkZgj6E+52dBN0H9jfRdw60g9A=; b=RCeUYrnjM52GSetcZJJweRTBVUJBHqN0Fcm9YcQRX0nqOKBoieSDjB+E D6CEqXlR49zRjpTrirCmrtDZT5mJuTXBqi1P4yvXHV+5K8SwJnzkpzTM6 OO7sLdTj4DnbxaOlkNhhz58NW2WClTyTVHEIw090iyLMmC9QOeY03jGqF G5VtX8twXaR85gEjgIWLpQ72QxiQ/dwVnoymjFKB+VA1HnMOEo7CPiHwN pIzzSNozlPc6pEElbiZkPKt8+JMRDXP9Ur278rpOVf98AXQaROjX9fND6 8gxIDCneJwKLNwiN3uI+DV7eQUU/u7KVks7h/J4hp/Klj0uoFFFTaygeo Q==; X-CSE-ConnectionGUID: wxLD4crfTBmP3fcAafztCg== X-CSE-MsgGUID: EaQNqnRcTGy7V67mikbtMA== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="238286361" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 02 Oct 2023 12:51:15 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 2 Oct 2023 12:51:15 -0700 Received: from brunhilda.pdev.net (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Mon, 2 Oct 2023 12:51:15 -0700 From: Don Brace To: CC: Subject: [PATCH v4 5/5] smartpqi: add device attributes Date: Mon, 2 Oct 2023 14:54:04 -0500 Message-ID: <20231002195404.153182-6-don.brace@microchip.com> X-Mailer: git-send-email 2.42.0.296.g493f462273 In-Reply-To: <20231002195404.153182-1-don.brace@microchip.com> References: <20231002195404.153182-1-don.brace@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Add in some device level sysfs entry descriptions: lunid unique_id path_info raid_bypass_cnt sas_ncq_prio_enable These have already been provided by the driver. Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Mike McGowen Reviewed-by: Kevin Barnett Signed-off-by: Don Brace --- man4/smartpqi.4 | 94 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/man4/smartpqi.4 b/man4/smartpqi.4 index c36eebf0ecd1..0fc4618b53a0 100644 --- a/man4/smartpqi.4 +++ b/man4/smartpqi.4 @@ -358,6 +358,100 @@ $ \c 0 .EE .in +.TP +.I /sys/class/scsi_disk/c : b : t : l/device/lunid +The +.I lunid +attribute is read-only. +This attribute contains the SCSI LUN ID for the device. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/lunid +0x0300004000000000 +.EE +.in +.TP +.I /sys/class/scsi_disk/c : b : t : l/device/unique_id +The +.I unique_id +attribute is read-only. +This attribute contains a 16-byte ID that uniquely identifies the device +within the controller. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/unique_id +600508B1001C6D4723A8E98D704FDB94 +.EE +.in +.TP +.I /sys/class/scsi_disk/c : b : t : l/device/path_info +The +.I path_info +attribute is read-only. +This attribute contains the c:b:t:l of the device along with the device +type and whether the device is Active or Inactive. If the device is an HBA +device, +.I path_info +will also display the PORT, BOX, and BAY the device is plugged into. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/path_info +[13:1:0:3] Direct-Access Active + +$ \c +.B cat /sys/class/scsi_disk/12:0:9:0/device/path_info +[12:0:9:0] Direct-Access PORT: C1 BOX: 1 BAY: 14 Inactive +[12:0:9:0] Direct-Access PORT: C0 BOX: 1 BAY: 14 Active +.EE +.in +.TP +.I /sys/class/scsi_disk/13:1:0:3/device/raid_bypass_cnt +The +.I raid_bypass_cnt +attribute is read-only. +This attribute contains the number of I/O requests that have gone +through the ioaccel path for ioaccel-enabled volumes. See the +.BI ssd_smart_path_enabled +disk attribute section for details on ioaccel-enabled volumes. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B cat /sys/class/scsi_disk/13:1:0:3/device/raid_bypass_cnt +0x300 +.EE +.in +.TP +.I /sys/class/scsi_disk/13:1:0:3/device/sas_ncq_prio_enable +The +.I sas_ncq_prio_enable +attribute is read/write. +This attribute enables SATA NCQ priority support. +This attribute works only when device has NCQ support and +controller firmware can handle IO with NCQ priority attribute. +.IP +For example: +.IP +.in +4n +.EX +$ \c +.B echo 1 > /sys/class/scsi_disk/13:1:0:3/device/sas_ncq_prio_enable +.EE +.in .SH VERSIONS The .B smartpqi -- 2.42.0.296.g493f462273