From nobody Tue Nov 26 12:24:30 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 1707853545639917.1102738300992; Tue, 13 Feb 2024 11:45:45 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rZyft-0005Em-33; Tue, 13 Feb 2024 14:42:37 -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 1rZyfr-000550-6q for qemu-devel@nongnu.org; Tue, 13 Feb 2024 14:42:35 -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 1rZyfp-0006OA-OZ for qemu-devel@nongnu.org; Tue, 13 Feb 2024 14:42:34 -0500 Received: from [2a00:23c4:8bb2:1300:c500:f104:bc51:e670] (helo=localhost.localdomain) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rZyez-0008m4-Dy; Tue, 13 Feb 2024 19:41:43 +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=1nMvqXh1NHBqZnJ3Ay1RbxNHeCYbCSC3uTLrwTaNqtA=; b=0KieOt/Ejmzx160tJ9JFO5wMX4 qXlvllAgWj+FeHO/6vWzhTCKF+dO7f6N1yeA3VKK6mpJAS8IeHAakpZmU39VPN9Pg3VuZbSLp/RcF AHL26wkUIsjE2y3S+pzZEq4k6xUaM3/habXgkKw7XM7JjqvoCchgGXPmjbugE90QjycQXA4S6PsdJ Hoxo4Hmtum/R0/Zv63Icf8qlQ4+sBliZFn+qK+oCPGOlFiwMxBb0mNJ8ItJOYSkdcuIQj/CqUNt9J KBo6gxUf2/yP6amRU/HxpdMC7pN3rpElQlyIlRezkfInKVUsi6kAAa85dqXblUJxIXt7qtoMHgWeC RLr6OjIN3vV4JgOsD9VPhTf7xzKVi6WFdJv6le1BOwS2UcBTqBDo+7tyyfXk7R99++q/ipxxzC6Mq wQFo8OduIWLQkZgm/AfIHTLovJSrme3bskYhKTdqiN7vgSbxD5gRlyoendxKObYe/Qi43qNtZTs83 GRk4NbxOObEBuDhuzZKcz355u0kGDuGk2ZQQOrMPQ1ASAbQ8FyJZgn/clZSYoGkfiviS+PMAgmCLa 8ve5PuEcJXFcmHgM+CGUNit2BP60eAALt3RCrJen3EZ4rtNq9fRqcSsZjKtpUjhCZL7c+3uD2wXjt nuOeaGdO9g2l3LRmUsiJxOpDrCk+Icc6pJzgcu4PQ=; From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Tue, 13 Feb 2024 19:39:47 +0000 Message-Id: <20240213194052.1162753-24-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240213194052.1162753-1-mark.cave-ayland@ilande.co.uk> References: <20240213194052.1162753-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a00:23c4:8bb2:1300:c500:f104:bc51:e670 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PULL 23/88] esp.c: don't immediately raise INTR_BS if SCSI data needed in esp_do_dma() 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: 1707853547395100007 Content-Type: text/plain; charset="utf-8" In the case when more data is requested from the SCSI layer during a DMA da= ta transfer from a device, don't immediately fall through to the TC check logi= c. Otherwise when TC is zero INTR_BS will be raised immediately rather than wh= en the next set of SCSI data is ready. Signed-off-by: Mark Cave-Ayland Tested-by: Helge Deller Tested-by: Thomas Huth Message-Id: <20240112125420.514425-24-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index d80a38daa0..1f9902aec0 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -745,6 +745,7 @@ static void esp_do_dma(ESPState *s) =20 if (s->async_len =3D=3D 0) { scsi_req_continue(s->current_req); + return; } =20 if (esp_get_tc(s) =3D=3D 0) { --=20 2.39.2