From patchwork Tue Dec 13 21:45:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jones X-Patchwork-Id: 87943 Delivered-To: patch@linaro.org Received: by 10.140.20.101 with SMTP id 92csp2439032qgi; Tue, 13 Dec 2016 13:49:19 -0800 (PST) X-Received: by 10.55.100.204 with SMTP id y195mr95963330qkb.23.1481665759713; Tue, 13 Dec 2016 13:49:19 -0800 (PST) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [208.118.235.17]) by mx.google.com with ESMTPS id v128si18594268qkh.194.2016.12.13.13.49.19 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 13 Dec 2016 13:49:19 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Received: from localhost ([::1]:44616 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGuwn-00059P-0A for patch@linaro.org; Tue, 13 Dec 2016 16:49:17 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53756) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGutG-0002SA-Ok for qemu-devel@nongnu.org; Tue, 13 Dec 2016 16:45:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cGutD-0007W3-Gk for qemu-devel@nongnu.org; Tue, 13 Dec 2016 16:45:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42386) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cGutA-0007TU-6t; Tue, 13 Dec 2016 16:45:32 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4547A61BB7; Tue, 13 Dec 2016 21:45:31 +0000 (UTC) Received: from kamzik.brq.redhat.com (kamzik.brq.redhat.com [10.34.1.143]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBDLjOQO014685; Tue, 13 Dec 2016 16:45:29 -0500 From: Andrew Jones To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Date: Tue, 13 Dec 2016 22:45:13 +0100 Message-Id: <20161213214522.25548-3-drjones@redhat.com> In-Reply-To: <20161213214522.25548-1-drjones@redhat.com> References: <20161213214522.25548-1-drjones@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 13 Dec 2016 21:45:31 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 02/11] hw/arm/virt: use VirtMachineState.gic_version 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: peter.maydell@linaro.org, imammedo@redhat.com, mst@redhat.com, ehabkost@redhat.com, zhaoshenglong@huawei.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" machvirt_init may need to probe for the gic version. If so, then make sure the result is written to VirtMachineState. With the state up to date, use it instead of a local variable. This is a cleanup that prepares for VirtMachineState to be passed to functions even outside hw/arm/virt.c Signed-off-by: Andrew Jones --- hw/arm/virt.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) -- 2.9.3 Reviewed-by: Igor Mammedov diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d451bc4f6b9b..67c0abb30b5b 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -319,7 +319,7 @@ static void fdt_add_psci_node(const VirtMachineState *vms) qemu_fdt_setprop_cell(fdt, "/psci", "migrate", migrate_fn); } -static void fdt_add_timer_nodes(const VirtMachineState *vms, int gictype) +static void fdt_add_timer_nodes(const VirtMachineState *vms) { /* On real hardware these interrupts are level-triggered. * On KVM they were edge-triggered before host kernel version 4.4, @@ -347,7 +347,7 @@ static void fdt_add_timer_nodes(const VirtMachineState *vms, int gictype) irqflags = GIC_FDT_IRQ_FLAGS_EDGE_LO_HI; } - if (gictype == 2) { + if (vms->gic_version == 2) { irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); @@ -462,7 +462,7 @@ static void fdt_add_v2m_gic_node(VirtMachineState *vms) qemu_fdt_setprop_cell(vms->fdt, "/intc/v2m", "phandle", vms->msi_phandle); } -static void fdt_add_gic_node(VirtMachineState *vms, int type) +static void fdt_add_gic_node(VirtMachineState *vms) { vms->gic_phandle = qemu_fdt_alloc_phandle(vms->fdt); qemu_fdt_setprop_cell(vms->fdt, "/", "interrupt-parent", vms->gic_phandle); @@ -473,7 +473,7 @@ static void fdt_add_gic_node(VirtMachineState *vms, int type) qemu_fdt_setprop_cell(vms->fdt, "/intc", "#address-cells", 0x2); qemu_fdt_setprop_cell(vms->fdt, "/intc", "#size-cells", 0x2); qemu_fdt_setprop(vms->fdt, "/intc", "ranges", NULL, 0); - if (type == 3) { + if (vms->gic_version == 3) { qemu_fdt_setprop_string(vms->fdt, "/intc", "compatible", "arm,gic-v3"); qemu_fdt_setprop_sized_cells(vms->fdt, "/intc", "reg", @@ -500,7 +500,7 @@ static void fdt_add_gic_node(VirtMachineState *vms, int type) qemu_fdt_setprop_cell(vms->fdt, "/intc", "phandle", vms->gic_phandle); } -static void fdt_add_pmu_nodes(const VirtMachineState *vms, int gictype) +static void fdt_add_pmu_nodes(const VirtMachineState *vms) { CPUState *cpu; ARMCPU *armcpu; @@ -514,7 +514,7 @@ static void fdt_add_pmu_nodes(const VirtMachineState *vms, int gictype) } } - if (gictype == 2) { + if (vms->gic_version == 2) { irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); @@ -570,14 +570,14 @@ static void create_v2m(VirtMachineState *vms, qemu_irq *pic) fdt_add_v2m_gic_node(vms); } -static void create_gic(VirtMachineState *vms, qemu_irq *pic, int type) +static void create_gic(VirtMachineState *vms, qemu_irq *pic) { /* We create a standalone GIC */ VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); DeviceState *gicdev; SysBusDevice *gicbusdev; const char *gictype; - int i; + int type = vms->gic_version, i; gictype = (type == 3) ? gicv3_class_name() : gic_class_name(); @@ -641,7 +641,7 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic, int type) pic[i] = qdev_get_gpio_in(gicdev, i); } - fdt_add_gic_node(vms, type); + fdt_add_gic_node(vms); if (type == 3 && !vmc->no_its) { create_its(vms, gicdev); @@ -1237,7 +1237,6 @@ static void machvirt_init(MachineState *machine) qemu_irq pic[NUM_IRQS]; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *secure_sysmem = NULL; - int gic_version = vms->gic_version; int n, virt_max_cpus; MemoryRegion *ram = g_new(MemoryRegion, 1); const char *cpu_model = machine->cpu_model; @@ -1258,14 +1257,14 @@ static void machvirt_init(MachineState *machine) /* We can probe only here because during property set * KVM is not available yet */ - if (!gic_version) { + if (!vms->gic_version) { if (!kvm_enabled()) { error_report("gic-version=host requires KVM"); exit(1); } - gic_version = kvm_arm_vgic_probe(); - if (!gic_version) { + vms->gic_version = kvm_arm_vgic_probe(); + if (!vms->gic_version) { error_report("Unable to determine GIC version supported by host"); exit(1); } @@ -1300,7 +1299,7 @@ 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 (gic_version == 3) { + if (vms->gic_version == 3) { virt_max_cpus = vms->memmap[VIRT_GIC_REDIST].size / 0x20000; clustersz = GICV3_TARGETLIST_BITS; } else { @@ -1417,7 +1416,7 @@ static void machvirt_init(MachineState *machine) object_property_set_bool(cpuobj, true, "realized", NULL); } - fdt_add_timer_nodes(vms, gic_version); + fdt_add_timer_nodes(vms); fdt_add_cpu_nodes(vms); fdt_add_psci_node(vms); @@ -1427,9 +1426,9 @@ static void machvirt_init(MachineState *machine) create_flash(vms, sysmem, secure_sysmem ? secure_sysmem : sysmem); - create_gic(vms, pic, gic_version); + create_gic(vms, pic); - fdt_add_pmu_nodes(vms, gic_version); + fdt_add_pmu_nodes(vms); create_uart(vms, pic, VIRT_UART, sysmem, serial_hds[0]); @@ -1458,7 +1457,7 @@ static void machvirt_init(MachineState *machine) guest_info->memmap = vms->memmap; guest_info->irqmap = vms->irqmap; guest_info->use_highmem = vms->highmem; - guest_info->gic_version = gic_version; + guest_info->gic_version = vms->gic_version; guest_info->no_its = vmc->no_its; guest_info_state->machine_done.notify = virt_guest_info_machine_done; qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);