From nobody Mon Feb 9 18:45:32 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1558501234; cv=none; d=zoho.com; s=zohoarc; b=dDP+fhs+xFMt819krCxB76Y1DDCA0PouLquTX4ToareyMGseLVNHX3vwi0vl9hWvUWiX4XEI5y3oAlh/oYj2a9XrLmpc1WRzqv5XTjJfklZfvUp0BqoEdeo6ssd9HO56z0MbC2phfrXxL3ZXjWaxKBQbe0HA7s7KYvL6l2v4yzY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558501234; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=QAFlFooRs3FCVy8HdA35kgQF+T88ohMnwAXo0vxFRuA=; b=kiR4eN6Flbk9u8CqaFxkP8EoYuWTfd6op8lUe6rktaw8ckvz/LvyjhrD49DXjGE6TeaxyzWxVFCf7CC6rEVtNdZRXFlMmkVZU26mcE4x8iPAr7yehjczFY7ZwQhW6TWqJRxP9n6qHoUREoPzvJYe/f7784848VHmHfz7j3WhwYM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 155850123474150.707630066327624; Tue, 21 May 2019 22:00:34 -0700 (PDT) Received: from localhost ([127.0.0.1]:35905 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTJMR-0006pW-Fg for importer@patchew.org; Wed, 22 May 2019 01:00:19 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47717) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTJ9J-0003j3-Pm for qemu-devel@nongnu.org; Wed, 22 May 2019 00:46:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hTJ9I-0006wr-Ns for qemu-devel@nongnu.org; Wed, 22 May 2019 00:46:45 -0400 Received: from ozlabs.org ([203.11.71.1]:39523) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hTJ9I-0006v1-Ce; Wed, 22 May 2019 00:46:44 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4580T04H71z9sQq; Wed, 22 May 2019 14:46:10 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1558500372; bh=FARLmNP6QREokqn1Yllk7nBfUQ26iSO7Y5de8oWwo84=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mR9Xc/4m5XUPIAJd00nipxTIJKg3Z9loWkfE3enl/phM9osyiiHAjpkH9K0Gp8sTy 1pp1ka0wvWOSm5gH+ZO32kTViOZly3Aub4/zmS4yXpNkUVdNLnbY/Sn9NZOpGfUDrV h7irE5DknfNe9xNZPf856IzulSpa0j3XDsIICCmY= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 22 May 2019 14:45:53 +1000 Message-Id: <20190522044600.16534-32-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190522044600.16534-1-david@gibson.dropbear.id.au> References: <20190522044600.16534-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 203.11.71.1 Subject: [Qemu-devel] [PULL 31/38] 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: lvivier@redhat.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: C=C3=A9dric Le Goater 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 Reviewed-by: David Gibson Message-Id: <20190513084245.25755-9-clg@kaod.org> Signed-off-by: David Gibson --- 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 307cf90a51..689a867a22 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -153,6 +153,16 @@ 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 1aedcf05c9..4c668fbbdc 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -89,6 +89,7 @@ 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 2.21.0