From nobody Sat Sep 21 08:44:29 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=ilande.co.uk Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1705064738763469.00808090360283; Fri, 12 Jan 2024 05:05:38 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rOH5T-0002RS-TP; Fri, 12 Jan 2024 07:56:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rOH5F-0001kA-Rz for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:56:30 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rOH5C-0007MZ-Bp for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:56:23 -0500 Received: from [2a02:8012:c93d:0:260e:bf57:a4e9:8142] (helo=cheesecake.fritz.box) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rOH4M-0008jM-AH; Fri, 12 Jan 2024 12:55:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=noBEM1vgwgC3/a8GeQ1iSWp0MNpWGitlTAL7oRoptXo=; b=bwGurSf+FsNEBj9ywkbYaaozjs MT+rw8oh/5GylGhJDA2Wybvt5Y0QYYfSk19RPfDrXBdcHZqWSs3HssZ9fN2uyUlQGb1yLXtU8w4Qx a/j51E04Xjrdeq+EkttzoryF7VHUjBt/HMveXFkRQkJO7wgZ7bO/zbWV2rWpqov8HUvMkx7rt+QtH QrCgy5cTmGz32Hvz6ljCXylkL33BDGj95n1fgbn1AupTkhdnNAKS4GBXo5KoffyZYSPz0PNn/mA5s MFW3B19kiec4m1662vr0aosZXlBtkl1g/jB1u3sScXritNQZ0bh+zBcr0s9JeyQaokGu4L66ALTnu yEVDu9D3rf7xiucCpY8YMO0myXJu40M2Qd6FACu29zhQzofCqpg2uTsSWyHO0O1cuPuxbgkwet/jd WcnOUFSX1AHj9E/q7HplvNu25iw1B69downCjvD9MbSAL/NnI7wiqNNdIfu0i+6YW8GkApO0spdyK p2RNc+DDdCZj675YlcIefUwxR8t3aqAXK7qJhIuCViNIrAsXvH8o1UXS8k+Bqw6JSA9qofn+bOJ8u ZWrZ0C5eKsDrbDEzRa6O9EGPlYC1jELc66IkHIrrlSIgZvclgZiLsmd4+KxdQihWVClu4tgCaeHc7 5pbyGlnOmoKPejRUhncF96eo9oZqvni5lv861sDZM=; From: Mark Cave-Ayland To: pbonzini@redhat.com, fam@euphon.net, hpoussin@reactos.org, laurent@vivier.eu, thuth@redhat.com, qemu-devel@nongnu.org Date: Fri, 12 Jan 2024 12:53:18 +0000 Message-Id: <20240112125420.514425-27-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240112125420.514425-1-mark.cave-ayland@ilande.co.uk> References: <20240112125420.514425-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a02:8012:c93d:0:260e:bf57:a4e9:8142 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH 26/88] esp.c: remove unneeded if() check in esp_transfer_data() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1705064739874100006 Content-Type: text/plain; charset="utf-8" The following ti_cmd checks ensure that only DMA and non-DMA TI commmands w= ill can call into the esp_do_dma() and esp_do_nodma() callbacks. Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 3db90c9ab7..96123c5f7d 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -916,16 +916,13 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) esp_raise_irq(s); } =20 - if (s->ti_cmd =3D=3D 0) { - /* - * Always perform the initial transfer upon reception of the next = TI - * command to ensure the DMA/non-DMA status of the command is corr= ect. - * It is not possible to use s->dma directly in the section below = as - * some OSs send non-DMA NOP commands after a DMA transfer. Hence = if the - * async data transfer is delayed then s->dma is set incorrectly. - */ - return; - } + /* + * Always perform the initial transfer upon reception of the next TI + * command to ensure the DMA/non-DMA status of the command is correct. + * It is not possible to use s->dma directly in the section below as + * some OSs send non-DMA NOP commands after a DMA transfer. Hence if t= he + * async data transfer is delayed then s->dma is set incorrectly. + */ =20 if (s->ti_cmd =3D=3D (CMD_TI | CMD_DMA)) { if (dmalen) { --=20 2.39.2