From patchwork Tue Nov 20 17:33:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 200490 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 7939E2C0093 for ; Wed, 21 Nov 2012 04:34:21 +1100 (EST) Received: from localhost ([::1]:43697 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TariD-0001v1-QT for incoming@patchwork.ozlabs.org; Tue, 20 Nov 2012 12:34:17 -0500 Received: from eggs.gnu.org ([208.118.235.92]:43389) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tarhv-0001uN-7B for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:34:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tarhr-0001Vy-43 for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:33:59 -0500 Received: from mail-ie0-f173.google.com ([209.85.223.173]:64587) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tarhq-0001Vs-VS for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:33:55 -0500 Received: by mail-ie0-f173.google.com with SMTP id k14so4747418iea.4 for ; Tue, 20 Nov 2012 09:33:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer; bh=HFJEL9T7l9bJ61LDbcCAGWuBTKHof6iei5b6zP3Gbdk=; b=RfgwtSAgnnb1dqYaV+Flcv7Bgf2JS2k3Ftccps9Pf8MHW/pyo0p9haNuV7moZKKI4X 0ysqoTpW6Vk4AtcOA2IXtK2mUAb9rSffz2/oSkWykwYHe4a2rNIk0Ll5RqwO5QAPN3ny mGZNAXQYWh3TxVTrUpvYQaw4P4zz3jnd0OhBb9BWz7s/NZF4i5dMwVjIcmwEW0DOplGS N1Wzabkz271Ev50HeE1LHf4H9WKfnX/J0hFeMF/kfDlOOsHgLk77uoSPZ1hUKseN0Bc+ J9ZUi3ZHpc0+5sI1VIwdMXyy4L0wyhedKH3hjcUmpQAAIJOzqaPwrkY9tm+j/4IQohen cj+A== Received: by 10.50.151.172 with SMTP id ur12mr10799920igb.44.1353432834486; Tue, 20 Nov 2012 09:33:54 -0800 (PST) Received: from yakj.usersys.redhat.com (93-34-169-1.ip50.fastwebnet.it. [93.34.169.1]) by mx.google.com with ESMTPS id ff4sm9892153igc.13.2012.11.20.09.33.51 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 20 Nov 2012 09:33:53 -0800 (PST) From: Paolo Bonzini To: seabios@seabios.org Date: Tue, 20 Nov 2012 18:33:41 +0100 Message-Id: <1353432821-32517-1-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.7.12.1 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.223.173 Cc: kraxel@redhat.com, qemu-devel@nongnu.org Subject: [Qemu-devel] [PATCH] esp: enable busmaster X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The HBA does DMA, thus we must enable the busmaster bit, otherwise dma access will fail with recent qemu versions. Signed-off-by: Paolo Bonzini --- src/esp-scsi.c | 2 ++ 1 file modificato, 2 inserzioni(+) diff --git a/src/esp-scsi.c b/src/esp-scsi.c index b795012..c43e55b 100644 --- a/src/esp-scsi.c +++ b/src/esp-scsi.c @@ -202,6 +202,8 @@ init_esp_scsi(struct pci_device *pci) pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf), iobase); + pci_config_maskw(bdf, PCI_COMMAND, 0, PCI_COMMAND_MASTER); + // reset outb(ESP_CMD_RESET, iobase + ESP_CMD);