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 D85A8E7E65D for ; Tue, 26 Sep 2023 19:12:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235522AbjIZTND (ORCPT ); Tue, 26 Sep 2023 15:13:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235603AbjIZTNB (ORCPT ); Tue, 26 Sep 2023 15:13:01 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7102511D for ; Tue, 26 Sep 2023 12:12:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1695755575; x=1727291575; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uJbqy/UWSmbkPlsyLd7FO2D3OxmMZm8RmJDxq95+XhQ=; b=NURIDauDZTnGlBmpLvb76PBZr7CjjEaE1nDv56sZyCrzrL3icWigj7I4 wPpg4LjtOFJkfbo+55S0JzpvIq3Q2WcMDbv6E0blQWZAU80VKkFj/NRBX /2HzKVkBbznhZ8feNYOloZs454K0O7QXUJ9NajHifQHjLacFcaKmZjBZw PHZJrnNWd1zteaoahLj78bAnNovYCmZuBZvkNbMfkxyHeSkKjwD+vH0rC q5NibU5EumvjwXSn/JMLjXFDn8zgYIcwugWrpNPDQGYBD+OFaxaCdX58A 7of+wPFQNXlPyogzXhRcvsQ6qB16zkLSiuT7sAQQb/amK8CUgfwFmvk3A Q==; X-CSE-ConnectionGUID: 9rVscL9ZQ+ONqtmBXtxhZQ== X-CSE-MsgGUID: Ups3RF+MRemTOrzuf6WrZQ== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,178,1694761200"; d="scan'208";a="6593825" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 26 Sep 2023 12:12:53 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) 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; Tue, 26 Sep 2023 12:12:53 -0700 Received: from brunhilda.pdev.net (10.10.85.11) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Tue, 26 Sep 2023 12:12:53 -0700 From: Don Brace To: , CC: Subject: [PATCH v3 03/10] smartpqi: add-module parameter disable_managed_interrupts Date: Tue, 26 Sep 2023 14:11:58 -0500 Message-ID: <20230926191206.627678-4-don.brace@microchip.com> X-Mailer: git-send-email 2.42.0.158.g94e83dcf5b In-Reply-To: <20230926191206.627678-1-don.brace@microchip.com> References: <20230926191206.627678-1-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 a description for module parameter disable_managed_interrupts. This module parameter allows users to change interrupt affinity by echoing values into /proc/irq//*affinity. Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Mike McGowen Reviewed-by: Kevin Barnett Signed-off-by: Don Brace --- man4/smartpqi.4 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/man4/smartpqi.4 b/man4/smartpqi.4 index 428d79a19840..613ef330aef1 100644 --- a/man4/smartpqi.4 +++ b/man4/smartpqi.4 @@ -16,6 +16,7 @@ smartpqi \- Microchip Smart Storage SCSI driver .RB [ lockup_action= { none | reboot | panic }] .RB [ expose_ld_first= { 0 | 1 }] .RB [ hide_vsep= { 0 | 1 }] +.RB [ disable_managed_interrupts= { 0 | 1 }] .YS .SH DESCRIPTION .B smartpqi @@ -100,6 +101,12 @@ The default value is 0 (physical devices exposed first). .BR hide_vsep= { 0 | 1 } This option disables exposure of the virtual SEP to the OS. The default value is 0 (virtual SEP is exposed). +.TP +.BR disable_managed_interrupts= { 0 | 1 } +Disables driver utilization of Linux kernel managed interrupts for +controllers. The managed interrupts feature automatically distributes +interrupts to all available CPUs and assigns SMP affinity. +The default value is 0 (managed interrupts enabled). .SH FILES .SS Device nodes Logical drives are accessed via the SCSI disk driver -- 2.42.0.158.g94e83dcf5b