From nobody Thu Nov 14 07:17:03 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1706025060267762.0368264023866; Tue, 23 Jan 2024 07:51:00 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSJ1e-0005iV-Vv; Tue, 23 Jan 2024 10:49:23 -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 1rSJ0L-0002uR-NU; Tue, 23 Jan 2024 10:48:08 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSJ0J-0000m0-0P; Tue, 23 Jan 2024 10:48:00 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 858AE4692A; Tue, 23 Jan 2024 18:47:52 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 9702F69EB9; Tue, 23 Jan 2024 18:47:11 +0300 (MSK) Received: (nullmailer pid 3847933 invoked by uid 1000); Tue, 23 Jan 2024 15:47:08 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Mark Cave-Ayland , Guenter Roeck , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Michael Tokarev Subject: [Stable-8.2.1 51/54] hw/scsi/esp-pci: set DMA_STAT_BCMBLT when BLAST command issued Date: Tue, 23 Jan 2024 18:46:52 +0300 Message-Id: <20240123154708.3847837-13-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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-ZM-MESSAGEID: 1706025062313100003 From: Mark Cave-Ayland Even though the BLAST command isn't fully implemented in QEMU, the DMA_STAT= _BCMBLT bit should be set after the command has been issued to indicate that the co= mmand has completed. This fixes an issue with the DC390 DOS driver which issues the BLAST comman= d as part of its normal error recovery routine at startup, and otherwise sits in= a tight loop waiting for DMA_STAT_BCMBLT to be set before continuing. Signed-off-by: Mark Cave-Ayland Reviewed-by: Guenter Roeck Tested-by: Guenter Roeck Message-ID: <20240112131529.515642-5-mark.cave-ayland@ilande.co.uk> Signed-off-by: Philippe Mathieu-Daud=C3=A9 (cherry picked from commit c2d7de557d19ec76eb83b87b6bf77c8114e2f183) Signed-off-by: Michael Tokarev diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c index b1bd43b7db..51f0157934 100644 --- a/hw/scsi/esp-pci.c +++ b/hw/scsi/esp-pci.c @@ -124,6 +124,7 @@ static void esp_pci_handle_blast(PCIESPState *pci, uint= 32_t val) { trace_esp_pci_dma_blast(val); qemu_log_mask(LOG_UNIMP, "am53c974: cmd BLAST not implemented\n"); + pci->dma_regs[DMA_STAT] |=3D DMA_STAT_BCMBLT; } =20 static void esp_pci_handle_abort(PCIESPState *pci, uint32_t val) --=20 2.39.2