From patchwork Fri Apr 16 03:44:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ching Huang X-Patchwork-Id: 12206625 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4C42C433B4 for ; Fri, 16 Apr 2021 03:45:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5984660238 for ; Fri, 16 Apr 2021 03:45:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237181AbhDPDpX (ORCPT ); Thu, 15 Apr 2021 23:45:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234816AbhDPDpX (ORCPT ); Thu, 15 Apr 2021 23:45:23 -0400 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2828CC061574 for ; Thu, 15 Apr 2021 20:44:59 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id t22so18362194pgu.0 for ; Thu, 15 Apr 2021 20:44:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=areca-com-tw.20150623.gappssmtp.com; s=20150623; h=message-id:subject:from:to:date:mime-version :content-transfer-encoding; bh=R0I5avFWdOq59pRrfqJjDzTxhHDm28I+KfqkPMk3PIw=; b=0vMrPbNh3fxHn0RZ06cR3XrhTtGNqDOB5m6aOiwmhrpStSupH4b1OOj9SdPaHr54Sz 3AAQIm1jCGQZ/OaOC6Bu2foz6Vb0lvFhY8uni3scMhD9R0EuZABWQUoi5+fl9VFtMEWH ib/vwIlEC7ILLSS2Yi0rMX2ShxTYxeH/g1qv3OtYNgSOWadDrwmVyAY8DGxoBkMIb3EE srpVrPG0icrdLfME3QVZqyoRWpjjM3dVsOpZv/ZHAraGrKuf867khwoZcz7Tbld3Ou68 uOwJHupPIQRQ4LuFW42IRIXwFZWLrY830QpaMr2UacvBbT5orh5eIQA5ji2sPoJA0V60 KlYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:date:mime-version :content-transfer-encoding; bh=R0I5avFWdOq59pRrfqJjDzTxhHDm28I+KfqkPMk3PIw=; b=D+YhhlI19EjITdbkgFGiebwDBx9eCaZejQ3VzGOQtKnRzWTnx5vbydQE5EPL8F2Gm8 10JK7xaOTs6Da/MJTjJehVEppcMJ+0/Lz1t5K0Qo8QLfScsSuTJR2ralrchV/BwjX+S8 UZOcYA0vZ3u5Tp4zDDk9aT2JXmnUhNVfb+QB0D/HZFukinPPv441nLO3tJO6rLdlm56V TULvaQ3s6S8eu4HckS5zI96aRTH/7oo/Mf0SGpxZklX/FqLvM2Y3lDqCQ3/Ong42NKNS 7vxhaxah15A7Y6m3taT8+yQTyVZvVFLr6Qv8OhGUfROt890FfOCTAf9YS6bmHH0JtArn gfRA== X-Gm-Message-State: AOAM533AC9/0ooP9YxEdzcoKNNZbDz3zAoGd8BwWy5zhWppXEaUkYsZz bT/f8p8q1HjUUuI3bmcUqRWiUQ== X-Google-Smtp-Source: ABdhPJwOJ0QxDEkeFtGnsbDEIiZcPEb396n2Ut8LCVG6Sidla1ptN4UEfin+GzAzF5mbT2+sdhw9lA== X-Received: by 2002:a65:45cf:: with SMTP id m15mr6242988pgr.7.1618544698630; Thu, 15 Apr 2021 20:44:58 -0700 (PDT) Received: from centos78 (60-248-88-209.HINET-IP.hinet.net. [60.248.88.209]) by smtp.gmail.com with ESMTPSA id 14sm3320318pfl.1.2021.04.15.20.44.57 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Apr 2021 20:44:58 -0700 (PDT) Message-ID: Subject: [PATCH 1/2] scsi: arcmsr: fixed the wrong cdb payload report to IOP From: ching Huang To: martin.petersen@oracle.com, James.Bottomley@HansenPartnership.com, linux-scsi@vger.kernel.org, Linux Kernel Mailing List Date: Fri, 16 Apr 2021 11:44:57 +0800 X-Mailer: Evolution 3.28.5 (3.28.5-10.el7) Mime-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: ching Huang This patch fixed the wrong cdb payload report to IOP. Signed-off-by: ching Huang diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 4b79661..930972c 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1923,8 +1923,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr if (ccb->arc_cdb_size <= 0x300) arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1; - else - arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1; + else { + arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2; + if (arc_cdb_size > 0xF) + arc_cdb_size = 0xF; + arc_cdb_size = (arc_cdb_size << 1) | 1; + } ccb_post_stamp = (ccb->smid | arc_cdb_size); writel(0, &pmu->inbound_queueport_high); writel(ccb_post_stamp, &pmu->inbound_queueport_low);