From nobody Tue Nov 26 13:35:00 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 1707854748727496.2921975974655; Tue, 13 Feb 2024 12:05:48 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rZz0n-000572-KN; Tue, 13 Feb 2024 15:04:13 -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 1rZz0e-0004rb-RO for qemu-devel@nongnu.org; Tue, 13 Feb 2024 15:04:05 -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 1rZz0d-0002I8-9I for qemu-devel@nongnu.org; Tue, 13 Feb 2024 15:04:04 -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 1rZyhq-0008m4-5l; Tue, 13 Feb 2024 19:44:42 +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=FH27qHWz11n07C8E0Vgf3CBwLl5tQW+/t0p2tOdInEU=; b=IJYGx0eei5sm9vvjgtk2v6EhwW Rabgl+i148UAuHa1U7YK8XkqYJrRToy1aiy4rM6VwAgpqZm3CtKuqXlhUg3Wy75EaxmaKf67IjkzX WRGlr0VqbypBHilWPGuzj+Wex7juTHcJ+ZrcuTQViAaLpjT1kEBeRkFnlLLfnbWeu6WP2W0XrBi3/ mH/Rq/ZF1EpCmhfMI4ie6dycIIxfYo9Qg7uEG5mCHWi5qExYgSpPK5x9snH1gdQ8GkSkc12yS7O/i co4O+cq5oksQtD5JX/sxamyao4J6fGyVdn6xZnaTXrpZXlmzte7P2dEe7xC35SBsOh/FziYWEhfzp hlNqKQKRjr1E+6qNbnfkELEToKQL0053SwK+zepLaV6AS1sPF+l1KJdHf2m/dTo0OM2o9/se9HUr7 izOQpM4Y6e0Njnvv0XUMxcT76DIH2gkcIT8L3+Ht23GL5WLFdzANJ06WPpfUN3AAUIn7XFoibh9bk /qg9WKwDbAQIaVGK5luhgd9XIxRbD6ZZwJ9eV32n2VpGteK7SaknWsBM9iAqE1Fd0jtzQtMqlvArk TjyHcfRoMJNDpaTkWbSlv8bvynefFbnbD7tI+KYyY8f4tLn8bAf/jRZ8rtHsaClJOuq9oe3qMku0P OS8Q6PAGxLWGUiBVXB6o6lhFviWxIsfyeMoHBXeko=; From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Tue, 13 Feb 2024 19:40:44 +0000 Message-Id: <20240213194052.1162753-81-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 80/88] esp.c: consolidate DMA and PDMA logic in MESSAGE OUT phase 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: 1707854749215100001 Content-Type: text/plain; charset="utf-8" This allows the removal of duplicate logic shared between the two implement= ations. Note that we restrict esp_raise_drq() to PDMA to help reduce the log verbos= ity for normal DMA. Signed-off-by: Mark Cave-Ayland Tested-by: Helge Deller Tested-by: Thomas Huth Message-Id: <20240112125420.514425-81-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 49fc059eaa..ae65c2ef37 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -436,17 +436,15 @@ static void esp_do_dma(ESPState *s) if (s->dma_memory_read) { len =3D MIN(len, fifo8_num_free(&s->cmdfifo)); s->dma_memory_read(s->dma_opaque, buf, len); - fifo8_push_all(&s->cmdfifo, buf, len); esp_set_tc(s, esp_get_tc(s) - len); - s->cmdfifo_cdb_offset +=3D len; } else { - n =3D esp_fifo_pop_buf(&s->fifo, buf, fifo8_num_used(&s->fifo)= ); - n =3D MIN(fifo8_num_free(&s->cmdfifo), n); - fifo8_push_all(&s->cmdfifo, buf, n); - s->cmdfifo_cdb_offset +=3D n; + len =3D esp_fifo_pop_buf(&s->fifo, buf, fifo8_num_used(&s->fif= o)); + len =3D MIN(fifo8_num_free(&s->cmdfifo), len); + esp_raise_drq(s); } =20 - esp_raise_drq(s); + fifo8_push_all(&s->cmdfifo, buf, len); + s->cmdfifo_cdb_offset +=3D len; =20 switch (s->rregs[ESP_CMD]) { case CMD_SELATN | CMD_DMA: --=20 2.39.2