From nobody Tue Nov 26 12:30:49 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1707986686; cv=none; d=zohomail.com; s=zohoarc; b=hIGvIIS7PpfNpDKK9vKY21dCts3HSMTRBVZROmbSlnP9YwCP5JU8ti9yXMXTK7hmrgtouiwQ1TH50wXM+s+YV2UrgwpmJs5qhUPRCWIMzH1MnXkpePRnPhL+AD7l5n8kjhXqVC9AxMVu1CZRTsiDyX++bqIbbC9Z6l7bAAUqV1U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1707986686; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=8ZKfU39A1bMk0UwDjVa+J1YcXnTXR8vg2vSYAIExryI=; b=Z1rYeadcHuyWKUTEo7B43KYzABXn4suTv789VL1o3vSWC/joWKflNk4qCDxr4eKyQReGSRBzNssnTfnOuiCUpIIeo15GlpJ1rWICWvR9N1bfMckICMNp3In4J/ZWYJYJ7TXMymQ23N8TvPzbU3+K3/MujhIU2666SxqXxAcct84= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1707986686342312.0465122635849; Thu, 15 Feb 2024 00:44:46 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1raXLG-00017F-Az; Thu, 15 Feb 2024 03:43:38 -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 1raXLB-00013x-7h for qemu-devel@nongnu.org; Thu, 15 Feb 2024 03:43:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raXL9-00018d-Pv for qemu-devel@nongnu.org; Thu, 15 Feb 2024 03:43:33 -0500 Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-117-qViMEr85OnC9Jn-M5PsGuA-1; Thu, 15 Feb 2024 03:43:26 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 63DC386F12E; Thu, 15 Feb 2024 08:43:26 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.193.101]) by smtp.corp.redhat.com (Postfix) with ESMTP id 701AFAC0C; Thu, 15 Feb 2024 08:43:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1707986610; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8ZKfU39A1bMk0UwDjVa+J1YcXnTXR8vg2vSYAIExryI=; b=jGbciuiYv+72SW4GbPcuZpouWvgMiab/g6QZkrze5wkc9z4D+HTFX4NTfTffkwHJAeJquT 24HPWP/MJYovBnc0JDF1tJuafM0rzv0cB+D2r5CrxYli1v8Z/1/ctLhceg5vuK9InpWEKh DekKvN6ZjY/BMiquvdDQaT2KvP3N4wA= X-MC-Unique: qViMEr85OnC9Jn-M5PsGuA-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, jean-philippe@linaro.org, mst@redhat.com, peter.maydell@linaro.org, clg@redhat.com, zhenzhong.duan@intel.com, yanghliu@redhat.com Cc: alex.williamson@redhat.com, jasowang@redhat.com Subject: [PATCH v5 1/4] virtio-iommu: Add an option to define the input range width Date: Thu, 15 Feb 2024 09:42:11 +0100 Message-ID: <20240215084315.863897-2-eric.auger@redhat.com> In-Reply-To: <20240215084315.863897-1-eric.auger@redhat.com> References: <20240215084315.863897-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 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=170.10.129.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.531, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1707986686668100001 aw-bits is a new option that allows to set the bit width of the input address range. This value will be used as a default for the device config input_range.end. By default it is set to 64 bits which is the current value. Signed-off-by: Eric Auger Reviewed-by: Zhenzhong Duan Reviewed-by: C=C3=A9dric Le Goater --- v1 -> v2: - Check the aw-bits value is within [32,64] --- include/hw/virtio/virtio-iommu.h | 1 + hw/virtio/virtio-iommu.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-io= mmu.h index 781ebaea8f..5fbe4677c2 100644 --- a/include/hw/virtio/virtio-iommu.h +++ b/include/hw/virtio/virtio-iommu.h @@ -66,6 +66,7 @@ struct VirtIOIOMMU { bool boot_bypass; Notifier machine_done; bool granule_frozen; + uint8_t aw_bits; }; =20 #endif diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 86623d55a5..8b541de850 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -1314,7 +1314,11 @@ static void virtio_iommu_device_realize(DeviceState = *dev, Error **errp) */ s->config.bypass =3D s->boot_bypass; s->config.page_size_mask =3D qemu_target_page_mask(); - s->config.input_range.end =3D UINT64_MAX; + if (s->aw_bits < 32 || s->aw_bits > 64) { + error_setg(errp, "aw-bits must be within [32,64]"); + } + s->config.input_range.end =3D + s->aw_bits =3D=3D 64 ? UINT64_MAX : BIT_ULL(s->aw_bits) - 1; s->config.domain_range.end =3D UINT32_MAX; s->config.probe_size =3D VIOMMU_PROBE_SIZE; =20 @@ -1522,6 +1526,7 @@ static Property virtio_iommu_properties[] =3D { DEFINE_PROP_LINK("primary-bus", VirtIOIOMMU, primary_bus, TYPE_PCI_BUS, PCIBus *), DEFINE_PROP_BOOL("boot-bypass", VirtIOIOMMU, boot_bypass, true), + DEFINE_PROP_UINT8("aw-bits", VirtIOIOMMU, aw_bits, 64), DEFINE_PROP_END_OF_LIST(), }; =20 --=20 2.41.0