From nobody Tue Feb 10 20:28:51 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1524142696326972.5238271467206; Thu, 19 Apr 2018 05:58:16 -0700 (PDT) Received: from localhost ([::1]:45153 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f998h-000283-3Y for importer@patchew.org; Thu, 19 Apr 2018 08:58:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f98w8-0000Nw-L4 for qemu-devel@nongnu.org; Thu, 19 Apr 2018 08:45:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f98w4-0000F0-MK for qemu-devel@nongnu.org; Thu, 19 Apr 2018 08:45:16 -0400 Received: from 7.mo68.mail-out.ovh.net ([46.105.63.230]:44186) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f98w4-0000E5-GJ for qemu-devel@nongnu.org; Thu, 19 Apr 2018 08:45:12 -0400 Received: from player792.ha.ovh.net (unknown [10.109.122.68]) by mo68.mail-out.ovh.net (Postfix) with ESMTP id 59B2CDFF63 for ; Thu, 19 Apr 2018 14:45:11 +0200 (CEST) Received: from zorba.kaod.org.com (LFbn-REN-1-664-241.w81-53.abo.wanadoo.fr [81.53.234.241]) (Authenticated sender: clg@kaod.org) by player792.ha.ovh.net (Postfix) with ESMTPSA id B6B92A00BA; Thu, 19 Apr 2018 14:45:05 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Date: Thu, 19 Apr 2018 14:43:11 +0200 Message-Id: <20180419124331.3915-16-clg@kaod.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180419124331.3915-1-clg@kaod.org> References: <20180419124331.3915-1-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 10328724271069039443 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtgedrjeehgdehjecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 46.105.63.230 Subject: [Qemu-devel] [PATCH v3 15/35] sysbus: add a sysbus_mmio_unmap() helper X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This will be used to remove the MMIO regions of the POWER9 XIVE interrupt controller when the sPAPR machine is reseted. Signed-off-by: C=C3=A9dric Le Goater --- hw/core/sysbus.c | 10 ++++++++++ include/hw/sysbus.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index 5d0887f499de..e31f8e6be2f1 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -152,6 +152,16 @@ static void sysbus_mmio_map_common(SysBusDevice *dev, = int n, hwaddr addr, } } =20 +void sysbus_mmio_unmap(SysBusDevice *dev, int n) +{ + assert(n >=3D 0 && n < dev->num_mmio); + + if (dev->mmio[n].addr !=3D (hwaddr)-1) { + memory_region_del_subregion(get_system_memory(), dev->mmio[n].memo= ry); + dev->mmio[n].addr =3D (hwaddr)-1; + } +} + void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr) { sysbus_mmio_map_common(dev, n, addr, false, 0); diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index e88bb6dae0c1..2446983de167 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -92,6 +92,7 @@ qemu_irq sysbus_get_connected_irq(SysBusDevice *dev, int = n); void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr, int priority); +void sysbus_mmio_unmap(SysBusDevice *dev, int n); void sysbus_add_io(SysBusDevice *dev, hwaddr addr, MemoryRegion *mem); MemoryRegion *sysbus_address_space(SysBusDevice *dev); --=20 2.13.6