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 54515CDB465 for ; Mon, 16 Oct 2023 16:04:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232816AbjJPQEb (ORCPT ); Mon, 16 Oct 2023 12:04:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232778AbjJPQEa (ORCPT ); Mon, 16 Oct 2023 12:04:30 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 496F2AD for ; Mon, 16 Oct 2023 09:04:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1697472269; x=1729008269; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=j0DQp1M5IHiQdypXf98IGJiIZ0PXPnoXa351LK4kNlk=; b=j+pfpWXeQxc+GPHf1/xsZS0xFnC6V2FR7mDEUHvo7f4gXnzpyPKq3ejy f6cgew3RVR/hKlky3zArF2zU3gVwuSSTByPicY1Z37m4XvAoR4ln2G29y AbzvdfkGnkzEZlElB5HtiAJGOIiA0ozBA1f4e34Aac/1k36SGivrVCj9R yOt8+qhIr/Y7vZJAY4PmmjS5mnFe8WweR29BPZlm4n8FosjEqcZjoOK+P e7p0v25GrgIxzYgSnEKc6m4KNDqYgmb0DTtKDbUykT407+rV4RKYG7+2y RhKrixB9j3TBaRw5vFE97eggMavj3+lSmzKuDX4uf2w2L5zUj2gtVvu4s A==; X-CSE-ConnectionGUID: 3SAhPc6OTZKARWpI/vFOfg== X-CSE-MsgGUID: we46R5wrShGEPkvdOzoABg== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="240814779" 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; 16 Oct 2023 09:04:28 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 16 Oct 2023 09:04:05 -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, 16 Oct 2023 09:04:04 -0700 From: Don Brace To: CC: Subject: [PATCH v8 3/3] smartpqi: add device attributes Date: Mon, 16 Oct 2023 11:04:03 -0500 Message-ID: <20231016160403.636655-4-don.brace@microchip.com> X-Mailer: git-send-email 2.42.0.357.g59167d7d09 In-Reply-To: <20231016160403.636655-1-don.brace@microchip.com> References: <20231016160403.636655-1-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 | 95 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) diff --git a/man4/smartpqi.4 b/man4/smartpqi.4 index 89387c0498fd..00a8146eba6b 100644 --- a/man4/smartpqi.4 +++ b/man4/smartpqi.4 @@ -301,6 +301,101 @@ $ \c 0 .EE .in +.TP +.IR /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 +.IR /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 +.IR /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 +.IR /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 +.IR /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 -- 2.42.0.357.g59167d7d09