From nobody Wed Nov 13 07:48:44 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 170506439451374.81820118363703; Fri, 12 Jan 2024 04:59:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rOH3v-0007hZ-Fv; Fri, 12 Jan 2024 07:55:03 -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 1rOH3u-0007gy-Go for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:55:02 -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 1rOH3s-0006Vv-7o for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:55:01 -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 1rOH3E-0008jM-Fb; Fri, 12 Jan 2024 12:54:24 +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=RVoheZPunkRsW7VL3P4H+EBYLDchD0JJLbv2AiQ5eLw=; b=GC6qrqwOjbewwjktQ8qKPxrUko 4NVqnEfdfSUZ4y8c+VOwmuqrgUyrGS2OqY+Vy25TrNX+hu0jCn8eQQxq6Mrwx9g7ovWd5sSozgjeE AJYN7piLNV5TAp3NW5rZaw8lVUOVtrQhANI1SKevLg3wT+FpJA9S8OwGU1q1tqS4Ab7yZziO6A+aC GQhja3ORjM/sEDnqRuGv/22DvLRw0QnG4h6/y+l8XtfiJpYk7HsWqTZPmt0DbB/4oTP2xn7AIV1Wa o4CePpQZa9hxZayR6G7LAOGJdtiOYjBhdrkdKz00lBQe0r3aDj8jRxvMjhI/Ra71uuS8zBWGgmh3f 09rWNOnv0hrH0E7byDjT40m4LcByb/xqaWD95wGQiCaKoPmR/HUkxacQK3jja51HV6cZ/RsC1Ic8J KSc06nk+XF1xyZMXv70XqFfm8L0Vg3OKgpWjv6IKogfyCdULNUgiY4XK9c9QmyEVtXQhr0RUGo7BJ asCTJNQHjn9wvutNJtzGJqn9pSKNzTS3BvXN5DweJqTJI7VoTHGLyNXFsDHk4LM090MRy8U6SR521 gSuR2pcl6Ol4K/RBTkvUhA7gaY/FJa7QIbMTyHqLgePMbvmnDO1hn2bILSMW3VVtiWxUd2Z20nsJ7 qKembai2HbgwsuvLxCn3KwYS43DFzHFrsA1Rau6mM=; 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 12:52:59 +0000 Message-Id: <20240112125420.514425-8-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 07/88] esp: start removal of manual STAT_TC setting when transfer counter reaches zero 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: 1705064395625100003 Content-Type: text/plain; charset="utf-8" This should be exclusively managed by esp_set_tc() rather than being manual= ly set in multiple places. Start by removing the occurrences exclusive to PDMA and command completion which are those that can be currently removed without affecting any test images. Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index c7b79a2949..e717b2e216 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -611,11 +611,6 @@ static void do_dma_pdma_cb(ESPState *s) s->async_len -=3D len; s->ti_size -=3D len; esp_set_tc(s, esp_get_tc(s) - len); - - if (esp_get_tc(s) =3D=3D 0) { - /* Indicate transfer to FIFO is complete */ - s->rregs[ESP_RSTAT] |=3D STAT_TC; - } return; } =20 @@ -720,9 +715,6 @@ static void esp_do_dma(ESPState *s) esp_set_tc(s, esp_get_tc(s) - len); esp_set_pdma_cb(s, DO_DMA_PDMA_CB); esp_raise_drq(s); - - /* Indicate transfer to FIFO is complete */ - s->rregs[ESP_RSTAT] |=3D STAT_TC; return; } } @@ -870,7 +862,8 @@ void esp_command_complete(SCSIRequest *req, size_t resi= d) * transfers from the target the last byte is still in the FIFO */ if (s->ti_size =3D=3D 0) { - s->rregs[ESP_RSTAT] =3D STAT_TC | STAT_ST; + s->rregs[ESP_RSTAT] &=3D ~7; + s->rregs[ESP_RSTAT] |=3D STAT_ST; esp_dma_done(s); esp_lower_drq(s); } --=20 2.39.2