From patchwork Wed Oct 28 08:23:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 301720 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF8E2C4363A for ; Wed, 28 Oct 2020 08:30:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6A6C8241A5 for ; Wed, 28 Oct 2020 08:30:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A6C8241A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57252 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXgqH-0001l4-A9 for qemu-devel@archiver.kernel.org; Wed, 28 Oct 2020 04:30:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37528) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXglS-0003nf-Pd; Wed, 28 Oct 2020 04:25:02 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:51710 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXglQ-0004GF-UR; Wed, 28 Oct 2020 04:25:02 -0400 Received: from host81-158-111-11.range81-158.btcentralplus.com ([81.158.111.11] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kXglU-0006Q8-ES; Wed, 28 Oct 2020 08:25:09 +0000 From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Wed, 28 Oct 2020 08:23:55 +0000 Message-Id: <20201028082358.23761-8-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201028082358.23761-1-mark.cave-ayland@ilande.co.uk> References: <20201028082358.23761-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 81.158.111.11 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PULL 07/10] sabre: increase number of PCI bus IRQs from 32 to 64 X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Mark Cave-Ayland , qemu-stable@nongnu.org, Harold Gutch Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The rework of the sabre IRQs in commit 6864fa3897 "sun4u: update PCI topology to include simba PCI bridges" changed the IRQ routing so that both PCI and legacy OBIO IRQs are routed through the sabre PCI host bridge to the CPU. Unfortunately this commit failed to increase the number of PCI bus IRQs accordingly meaning that access to the legacy IRQs OBIO (irqnum >= 0x20) would overflow the PCI bus IRQ array causing strange failures running qemu-system-sparc64 in NetBSD. Cc: qemu-stable@nongnu.org Reported-by: Harold Gutch Fixes: https://bugs.launchpad.net/qemu/+bug/1838658 Fixes: 6864fa3897 ("sun4u: update PCI topology to include simba PCI bridges") Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20201011081347.2146-1-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- hw/pci-host/sabre.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci-host/sabre.c b/hw/pci-host/sabre.c index 5394ad5cd0..edf48ea923 100644 --- a/hw/pci-host/sabre.c +++ b/hw/pci-host/sabre.c @@ -388,7 +388,7 @@ static void sabre_realize(DeviceState *dev, Error **errp) pci_sabre_set_irq, pci_sabre_map_irq, s, &s->pci_mmio, &s->pci_ioport, - 0, 32, TYPE_PCI_BUS); + 0, 0x40, TYPE_PCI_BUS); pci_create_simple(phb->bus, 0, TYPE_SABRE_PCI_DEVICE);