From nobody Thu Nov 14 06:56:30 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 1705065004540910.5167196583213; Fri, 12 Jan 2024 05:10:04 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rOHDf-00051U-Pf; Fri, 12 Jan 2024 08:05:07 -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 1rOHCf-0004MS-2G for qemu-devel@nongnu.org; Fri, 12 Jan 2024 08:04:08 -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 1rOHCd-0002yj-6t for qemu-devel@nongnu.org; Fri, 12 Jan 2024 08:04:04 -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 1rOH6Q-0008jM-Db; Fri, 12 Jan 2024 12:57:38 +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=8B7V1v2+kwT4bDpY+vrvIlSYZpgJoQzndmCv9dP7RxM=; b=DFtAx0eJ3IQfnujuvcP8BSnNJm NZfFOV0yKJxzWY8sGmWIY+pHrqyXhk3/nkSKBxwyBXDxnoTwgfZtwyVWcmAj44ysgkFFdmahjjw0X Q7PO807Y6AXAXhik2PNJJHdjl2/beMZbpPDrRmZIwdlT7warI+TlBcLSve/RCm0ntAImxKNQMPIwm MEgS6kzJIHgISRAP41Sp7iO+TrgGzJNgpG2DwUPxf36f5dL3Xrymlxs7FFUIdAxWFny3zLJhPde0+ AJ1f+0X+A58jOj5Vmr3B/QZBxo/2uaUL5A4xciOXLpb/ShK/YCDYnNvSB07QkCho8mbFGZCgjX/Eh lE2kBJ7+gORuR0XmEvvE056thNa+elyoJuxNsMxBwi0YI3EI3VAht/uzGiGAiZUnuXuKp09jqm4b7 MUI/nGoAEUJ5KO39n+4q0ynnvC8xsHGnz98XmynIFWLwhoYuIF91jREtm4I2no0/lTvoTnSGtg6w7 ImW8L7ElQsR0ligBMjOl/TS33GF5XnLIyTeGbOwIWHA7eg4TMpN51thZ0RR2VdjQw1seARJdCm4WO jcv9Bn+8srhu8zZdPsMfS06xRj7st2g0KMh8dLJDyNGJKA84mBoSGmIGE2NV04fWX4aAwRjdxfkrG 1LHTucNvfrpfXm9S0E9/BpY5/BDUxPFutM6i9W5Aw=; 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 12:54:00 +0000 Message-Id: <20240112125420.514425-69-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 68/88] esp.c: move write_response() non-DMA logic to esp_do_nodma() 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: 1705065005113100005 Content-Type: text/plain; charset="utf-8" This moves the remaining non-DMA STATUS and MESSAGE IN phase logic from write_response() to esp_do_nodma(). Note that we can also now drop the extra fifo_reset() which is no longer required. Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 277eb8647b..824ebe9ff0 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -392,20 +392,12 @@ static void handle_satn_stop(ESPState *s) =20 static void write_response(ESPState *s) { - uint8_t buf[2]; - trace_esp_write_response(s->status); =20 if (s->dma) { esp_do_dma(s); } else { - buf[0] =3D s->status; - buf[1] =3D 0; - - fifo8_reset(&s->fifo); - fifo8_push_all(&s->fifo, buf, 2); - s->rregs[ESP_RFLAGS] =3D 2; - esp_raise_irq(s); + esp_do_nodma(s); } } =20 @@ -815,6 +807,28 @@ static void esp_do_nodma(ESPState *s) s->rregs[ESP_RINTR] |=3D INTR_BS; esp_raise_irq(s); break; + + case STAT_ST: + switch (s->rregs[ESP_CMD]) { + case CMD_ICCS: + fifo8_push(&s->fifo, s->status); + esp_set_phase(s, STAT_MI); + + /* Process any message in phase data */ + esp_do_nodma(s); + break; + } + break; + + case STAT_MI: + switch (s->rregs[ESP_CMD]) { + case CMD_ICCS: + fifo8_push(&s->fifo, 0); + + esp_raise_irq(s); + break; + } + break; } } =20 --=20 2.39.2