From nobody Tue Nov 26 12:29:21 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 1707853782563644.4641646364199; Tue, 13 Feb 2024 11:49:42 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rZygR-0008BC-6C; Tue, 13 Feb 2024 14:43:11 -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 1rZygO-0007y7-Uh for qemu-devel@nongnu.org; Tue, 13 Feb 2024 14:43:08 -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 1rZygN-0006T7-FO for qemu-devel@nongnu.org; Tue, 13 Feb 2024 14:43:08 -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 1rZyfR-0008m4-Pp; Tue, 13 Feb 2024 19:42:13 +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=cwET+lM8NWpH3LaH5ZhywFZDErG/NIsZyk1qq6PTdLM=; b=Ufr8RSccRMJMgycphDnEnF9Us2 IeIPddI9AhHABPSEO42rkXEZ1xOOX5YZSTrbGDxYiqADSmnkARMXeML4uhHMAWdUb7Mo3cH4/+VCa f95v5y5gaPqTyq0mVNVVD1BuYyYj40Hxp2egAEwcu3bBLiX+2VD8nQoWT0hPepu5gYsxJ2ivx2rVh vycZiEnOV0UvX1fTD3WSxNiEWOknxn4jbS9iY3FLAjc/PpF0W+00ZMna6iBhLBX1N4vcaL/ViQrK3 9RiDNQLWim34YhtaPWVsi3zX56jI5zQ1TAggFTVczGdE5IWKnS3M3ldxlXnPaLgk1xhqQoia3MFOJ XH5G6L0zNGzK73MOiiAWQVA64Mv/MJzc5QuhwIviorXKh/sP0916B2v9fjW+pCiXZLKAEyQF2A20x cHXQQiyeGRw6bnXdrJ7qFVtRWHEx8XKWgP66QvRuSAiqvPTBNlHlyEOadKJfZzgPpmouKtXTI6e80 S23uPwn/ghgQfy0ShJlttBNv6n+jWFccNQ5VYlCL6cYUqO4DqX7b7disIShPYqELNVZ+tL9+O99fN xfscGgs7xINGm9s6Cz3lRtoyGG76fxo9Q48xtl8pePC07IPCG//piZJdNvMyINkm6xl8fw5TmNoMl 7FHwRXHyQ07r1YkrwkOEcsduyioOrQ3OmlajNGO6Y=; From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Tue, 13 Feb 2024 19:39:57 +0000 Message-Id: <20240213194052.1162753-34-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 33/88] esp.c: copy logic for do_cmd transfers from do_dma_pdma_cb() to 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: 1707853784482100006 Content-Type: text/plain; charset="utf-8" This is so that PDMA transfers can be performend by esp_do_dma() as well as do_dma_pdma_cb(). Signed-off-by: Mark Cave-Ayland Tested-by: Helge Deller Tested-by: Thomas Huth Message-Id: <20240112125420.514425-34-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 65b4baab83..14284ef54a 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -656,9 +656,18 @@ static void esp_do_dma(ESPState *s) fifo8_push_all(&s->cmdfifo, buf, len); esp_set_tc(s, esp_get_tc(s) - 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); + esp_set_tc(s, esp_get_tc(s) - n); + esp_set_pdma_cb(s, DO_DMA_PDMA_CB); esp_raise_drq(s); - return; + + /* Ensure we have received complete command after SATN and sto= p */ + if (esp_get_tc(s) || fifo8_is_empty(&s->cmdfifo)) { + return; + } } trace_esp_handle_ti_cmd(cmdlen); s->ti_size =3D 0; --=20 2.39.2