From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 E38AFC3F2D1 for ; Mon, 2 Mar 2020 10:56:37 +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 ADBE922B48 for ; Mon, 2 Mar 2020 10:56:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Tl+5IuG1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADBE922B48 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:58500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8ikW-00011z-TZ for qemu-devel@archiver.kernel.org; Mon, 02 Mar 2020 05:56:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57747) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8ijU-0007pC-OF for qemu-devel@nongnu.org; Mon, 02 Mar 2020 05:55:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j8ijT-000432-9p for qemu-devel@nongnu.org; Mon, 02 Mar 2020 05:55:32 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:42000 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j8ijT-00042y-6B for qemu-devel@nongnu.org; Mon, 02 Mar 2020 05:55:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583146530; 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=0ZwQ/Y/HxlMFfEeyYufYwgTCzmOzN8BKUwCoemgUYoE=; b=Tl+5IuG1wzi+FNRuIea8zZrmd+YeMx9qcxz8P4CWkC/BLH6+BsA7h+Ci2xeMdB7BVSrUtQ s2nmLIsLxIcUjtMt040hGj5zQTpbivFjOAByY0cb9ar2l7d8WDoiydATfikOn+I+jsH8Xu 3iAdvzp3hY2HXrpk5Hq6/FILgXg2MTk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-259-Sc64xXyDOYqUQtcxRTYy3A-1; Mon, 02 Mar 2020 05:55:29 -0500 X-MC-Unique: Sc64xXyDOYqUQtcxRTYy3A-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1A1E9800EB5; Mon, 2 Mar 2020 10:55:28 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-59.ams2.redhat.com [10.36.116.59]) by smtp.corp.redhat.com (Postfix) with ESMTP id DD50939D; Mon, 2 Mar 2020 10:55:25 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v3 2/6] hw/arm/virt: Introduce VirtGICType enum type Date: Mon, 2 Mar 2020 11:55:12 +0100 Message-Id: <20200302105516.5972-3-eric.auger@redhat.com> In-Reply-To: <20200302105516.5972-1-eric.auger@redhat.com> References: <20200302105516.5972-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII 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: 207.211.31.81 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: maz@kernel.org, drjones@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We plan to introduce yet another value for the gic version (nosel). As we already use exotic values such as 0 and -1, let's introduce a dedicated enum type and let vms->gic_version take this type. Signed-off-by: Eric Auger --- v2 -> v3: - replaced defines by enum VirtGICType - use that new type for vms->gic_version --- hw/arm/virt.c | 30 +++++++++++++++--------------- include/hw/arm/virt.h | 11 +++++++++-- 2 files changed, 24 insertions(+), 17 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index c093f0ab85..b449a445de 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -298,7 +298,7 @@ static void fdt_add_timer_nodes(const VirtMachineState = *vms) irqflags =3D GIC_FDT_IRQ_FLAGS_EDGE_LO_HI; } =20 - if (vms->gic_version =3D=3D 2) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_2) { irqflags =3D deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); @@ -439,7 +439,7 @@ static void fdt_add_gic_node(VirtMachineState *vms) qemu_fdt_setprop_cell(vms->fdt, nodename, "#address-cells", 0x2); qemu_fdt_setprop_cell(vms->fdt, nodename, "#size-cells", 0x2); qemu_fdt_setprop(vms->fdt, nodename, "ranges", NULL, 0); - if (vms->gic_version =3D=3D 3) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_3) { int nb_redist_regions =3D virt_gicv3_redist_region_count(vms); =20 qemu_fdt_setprop_string(vms->fdt, nodename, "compatible", @@ -518,7 +518,7 @@ static void fdt_add_pmu_nodes(const VirtMachineState *v= ms) } } =20 - if (vms->gic_version =3D=3D 2) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_2) { irqflags =3D deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); @@ -1469,7 +1469,7 @@ static uint64_t virt_cpu_mp_affinity(VirtMachineState= *vms, int idx) * purposes are to make TCG consistent (with 64-bit KVM hosts) * and to improve SGI efficiency. */ - if (vms->gic_version =3D=3D 3) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_3) { clustersz =3D GICV3_TARGETLIST_BITS; } else { clustersz =3D GIC_TARGETLIST_BITS; @@ -1560,15 +1560,15 @@ static void machvirt_init(MachineState *machine) /* We can probe only here because during property set * KVM is not available yet */ - if (vms->gic_version <=3D 0) { - /* "host" or "max" */ + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_HOST || + vms->gic_version =3D=3D VIRT_GIC_VERSION_MAX) { if (!kvm_enabled()) { - if (vms->gic_version =3D=3D 0) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_HOST) { error_report("gic-version=3Dhost requires KVM"); exit(1); } else { /* "max": currently means 3 for TCG */ - vms->gic_version =3D 3; + vms->gic_version =3D VIRT_GIC_VERSION_3; } } else { vms->gic_version =3D kvm_arm_vgic_probe(); @@ -1627,7 +1627,7 @@ static void machvirt_init(MachineState *machine) /* The maximum number of CPUs depends on the GIC version, or on how * many redistributors we can fit into the memory map. */ - if (vms->gic_version =3D=3D 3) { + if (vms->gic_version =3D=3D VIRT_GIC_VERSION_3) { virt_max_cpus =3D vms->memmap[VIRT_GIC_REDIST].size / GICV3_REDIST_SIZE; virt_max_cpus +=3D @@ -1855,7 +1855,7 @@ static void virt_set_its(Object *obj, bool value, Err= or **errp) static char *virt_get_gic_version(Object *obj, Error **errp) { VirtMachineState *vms =3D VIRT_MACHINE(obj); - const char *val =3D vms->gic_version =3D=3D 3 ? "3" : "2"; + const char *val =3D vms->gic_version =3D=3D VIRT_GIC_VERSION_3 ? "3" := "2"; =20 return g_strdup(val); } @@ -1865,13 +1865,13 @@ static void virt_set_gic_version(Object *obj, const= char *value, Error **errp) VirtMachineState *vms =3D VIRT_MACHINE(obj); =20 if (!strcmp(value, "3")) { - vms->gic_version =3D 3; + vms->gic_version =3D VIRT_GIC_VERSION_3; } else if (!strcmp(value, "2")) { - vms->gic_version =3D 2; + vms->gic_version =3D VIRT_GIC_VERSION_2; } else if (!strcmp(value, "host")) { - vms->gic_version =3D 0; /* Will probe later */ + vms->gic_version =3D VIRT_GIC_VERSION_HOST; /* Will probe later */ } else if (!strcmp(value, "max")) { - vms->gic_version =3D -1; /* Will probe later */ + vms->gic_version =3D VIRT_GIC_VERSION_MAX; /* Will probe later */ } else { error_setg(errp, "Invalid gic-version value"); error_append_hint(errp, "Valid values are 3, 2, host, max.\n"); @@ -2139,7 +2139,7 @@ static void virt_instance_init(Object *obj) "physical address space above 32 bits"= , NULL); /* Default GIC type is v2 */ - vms->gic_version =3D 2; + vms->gic_version =3D VIRT_GIC_VERSION_2; object_property_add_str(obj, "gic-version", virt_get_gic_version, virt_set_gic_version, NULL); object_property_set_description(obj, "gic-version", diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 02f500cb8e..c0827cacdf 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -95,6 +95,13 @@ typedef enum VirtIOMMUType { VIRT_IOMMU_VIRTIO, } VirtIOMMUType; =20 +typedef enum VirtGICType { + VIRT_GIC_VERSION_MAX, + VIRT_GIC_VERSION_HOST, + VIRT_GIC_VERSION_2, + VIRT_GIC_VERSION_3, +} VirtGICType; + typedef struct MemMapEntry { hwaddr base; hwaddr size; @@ -123,7 +130,7 @@ typedef struct { bool highmem_ecam; bool its; bool virt; - int32_t gic_version; + VirtGICType gic_version; VirtIOMMUType iommu; uint16_t virtio_iommu_bdf; struct arm_boot_info bootinfo; @@ -162,7 +169,7 @@ static inline int virt_gicv3_redist_region_count(VirtMa= chineState *vms) uint32_t redist0_capacity =3D vms->memmap[VIRT_GIC_REDIST].size / GICV3_REDIST_SIZE; =20 - assert(vms->gic_version =3D=3D 3); + assert(vms->gic_version =3D=3D VIRT_GIC_VERSION_3); =20 return vms->smp_cpus > redist0_capacity ? 2 : 1; } --=20 2.20.1