From nobody Sat Sep 21 07:32:28 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 1705064170744734.5867838665905; Fri, 12 Jan 2024 04:56:10 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rOH3q-0007fO-Fw; Fri, 12 Jan 2024 07:54:58 -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 1rOH3m-0007eS-Ub for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:54:54 -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 1rOH3k-0006Rs-SU for qemu-devel@nongnu.org; Fri, 12 Jan 2024 07:54:54 -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 1rOH39-0008jM-Ow; Fri, 12 Jan 2024 12:54:15 +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=2Z7t6nFfDDvi+pCFGJVq7Tjpp5/DfqHou+6ng4VXJgs=; b=q5Vc8FrxbzrL6PDqZvsDYBcc1y kaxPjSBk4NwaKgqWL8/CYnZNxBdi3AyOlqniklVm+BvzYPSfOvWY4y4Z2TlxextOCl8z2owwZycaO tkauEdMR/85y7gny7G1bayDpGgL0Qp3qtx0bQSJpJgP6Rl6AiKtM54xGSdT9zEtuhVMPRjwJ7sl9V Qvh7oYDTc9WdhSVZqEkeXutVZ+2F7c3txAYod/2QglliEjraepMh1JZr+nW527AsZ1thwGd46WdRo VGdNQRE522Bo8nfXiPc6TQLh+Kkt0T0gObRWPfiZFFaaw8BB9jeh6srqS82roZMaW9KAtVrhCglBh qqgGRsARCWhXdpLJvU/F/2ajx1fJ7kUlKurHeDht4TRGYNKfs2bRCIOGI9Cqk1us9e4QEGzB2+QI7 oL/TqBCMI9i0AQALrWkda5E8suBVJbTB34gktk+kPL/5rY349lFcNtw/WTvY7Opu70QxEagrQMYnM ZjeMDicECq1dQI343OJCL7nKXXaeJ+MDcXq1iXTpcjeiGUb8kDmpClcmfVUs0OrcqSfnXK0e44qab rc8XE7GXNNpMiykj/qUxEdH2JEU27NMJRgYt6mXEKSYHXuTnKj9k2iUE2k25TKO0YXAR2AuOerLes 7PLCPxjLD4oVTVnXT3Kj1FFyLYHiM6xJy23l5TSFY=; 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 12:52:57 +0000 Message-Id: <20240112125420.514425-6-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 05/88] esp: move esp_select() to ESP selection commands from get_cmd() 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: 1705064172626100003 Content-Type: text/plain; charset="utf-8" Since the DREQ value depends upon the result of the selection process, add a workaround to each esp_select() to manually assert DREQ durring the MESSAGE= OUT and COMMAND phases. Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 89fce05e58..8c1c6bfc1c 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -263,10 +263,6 @@ static uint32_t get_cmd(ESPState *s, uint32_t maxlen) dmalen =3D MIN(fifo8_num_free(&s->cmdfifo), dmalen); fifo8_push_all(&s->cmdfifo, buf, dmalen); } else { - if (esp_select(s) < 0) { - return -1; - } - esp_raise_drq(s); return 0; } } else { @@ -280,9 +276,6 @@ static uint32_t get_cmd(ESPState *s, uint32_t maxlen) } trace_esp_get_cmd(dmalen, target); =20 - if (esp_select(s) < 0) { - return -1; - } return dmalen; } =20 @@ -380,12 +373,18 @@ static void handle_satn(ESPState *s) return; } esp_set_pdma_cb(s, SATN_PDMA_CB); + if (esp_select(s) < 0) { + return; + } cmdlen =3D get_cmd(s, ESP_CMDFIFO_SZ); if (cmdlen > 0) { s->cmdfifo_cdb_offset =3D 1; s->do_cmd =3D 0; do_cmd(s); } else if (cmdlen =3D=3D 0) { + if (s->dma) { + esp_raise_drq(s); + } s->do_cmd =3D 1; /* Target present, but no cmd yet - switch to command phase */ s->rregs[ESP_RSEQ] =3D SEQ_CD; @@ -411,12 +410,18 @@ static void handle_s_without_atn(ESPState *s) return; } esp_set_pdma_cb(s, S_WITHOUT_SATN_PDMA_CB); + if (esp_select(s) < 0) { + return; + } cmdlen =3D get_cmd(s, ESP_CMDFIFO_SZ); if (cmdlen > 0) { s->cmdfifo_cdb_offset =3D 0; s->do_cmd =3D 0; do_cmd(s); } else if (cmdlen =3D=3D 0) { + if (s->dma) { + esp_raise_drq(s); + } s->do_cmd =3D 1; /* Target present, but no cmd yet - switch to command phase */ s->rregs[ESP_RSEQ] =3D SEQ_CD; @@ -446,6 +451,9 @@ static void handle_satn_stop(ESPState *s) return; } esp_set_pdma_cb(s, SATN_STOP_PDMA_CB); + if (esp_select(s) < 0) { + return; + } cmdlen =3D get_cmd(s, 1); if (cmdlen > 0) { trace_esp_handle_satn_stop(fifo8_num_used(&s->cmdfifo)); @@ -456,6 +464,9 @@ static void handle_satn_stop(ESPState *s) s->rregs[ESP_RSEQ] =3D SEQ_MO; esp_raise_irq(s); } else if (cmdlen =3D=3D 0) { + if (s->dma) { + esp_raise_drq(s); + } s->do_cmd =3D 1; /* Target present, switch to message out phase */ s->rregs[ESP_RSEQ] =3D SEQ_MO; --=20 2.39.2