diff options
Diffstat (limited to 'hw/arm/virt.c')
| -rw-r--r-- | hw/arm/virt.c | 213 |
1 files changed, 51 insertions, 162 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index a96452f..3bcdf92 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -107,7 +107,7 @@ static void arm_virt_compat_set(MachineClass *mc) #define DEFINE_VIRT_MACHINE_IMPL(latest, ...) \ static void MACHINE_VER_SYM(class_init, virt, __VA_ARGS__)( \ ObjectClass *oc, \ - void *data) \ + const void *data) \ { \ MachineClass *mc = MACHINE_CLASS(oc); \ arm_virt_compat_set(mc); \ @@ -370,14 +370,9 @@ static void fdt_add_timer_nodes(const VirtMachineState *vms) * the correct information. */ ARMCPU *armcpu; - VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); uint32_t irqflags = GIC_FDT_IRQ_FLAGS_LEVEL_HI; MachineState *ms = MACHINE(vms); - if (vmc->claim_edge_triggered_timers) { - irqflags = GIC_FDT_IRQ_FLAGS_EDGE_LO_HI; - } - if (vms->gic_version == VIRT_GIC_VERSION_2) { irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, @@ -710,21 +705,18 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms) static void create_its(VirtMachineState *vms) { - const char *itsclass = its_class_name(); DeviceState *dev; - if (!strcmp(itsclass, "arm-gicv3-its")) { - if (!vms->tcg_its) { - itsclass = NULL; - } - } - - if (!itsclass) { - /* Do nothing if not supported */ + assert(vms->its); + if (!kvm_irqchip_in_kernel() && !vms->tcg_its) { + /* + * Do nothing if ITS is neither supported by the host nor emulated by + * the machine. + */ return; } - dev = qdev_new(itsclass); + dev = qdev_new(its_class_name()); object_property_set_link(OBJECT(dev), "parent-gicv3", OBJECT(vms->gic), &error_abort); @@ -1492,9 +1484,12 @@ static void create_virtio_iommu_dt_bindings(VirtMachineState *vms) qemu_fdt_setprop_cell(ms->fdt, node, "phandle", vms->iommu_phandle); g_free(node); - qemu_fdt_setprop_cells(ms->fdt, vms->pciehb_nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, bdf, - bdf + 1, vms->iommu_phandle, bdf + 1, 0xffff - bdf); + if (!vms->default_bus_bypass_iommu) { + qemu_fdt_setprop_cells(ms->fdt, vms->pciehb_nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, bdf, + bdf + 1, vms->iommu_phandle, bdf + 1, + 0xffff - bdf); + } } static void create_pcie(VirtMachineState *vms) @@ -1617,8 +1612,10 @@ static void create_pcie(VirtMachineState *vms) switch (vms->iommu) { case VIRT_IOMMU_SMMUV3: create_smmu(vms, vms->bus); - qemu_fdt_setprop_cells(ms->fdt, nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, 0x10000); + if (!vms->default_bus_bypass_iommu) { + qemu_fdt_setprop_cells(ms->fdt, nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, 0x10000); + } break; default: g_assert_not_reached(); @@ -1704,7 +1701,6 @@ static void virt_build_smbios(VirtMachineState *vms) { MachineClass *mc = MACHINE_GET_CLASS(vms); MachineState *ms = MACHINE(vms); - VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); uint8_t *smbios_tables, *smbios_anchor; size_t smbios_tables_len, smbios_anchor_len; struct smbios_phys_mem_area mem_array; @@ -1714,8 +1710,7 @@ static void virt_build_smbios(VirtMachineState *vms) product = "KVM Virtual Machine"; } - smbios_set_defaults("QEMU", product, - vmc->smbios_old_sys_ver ? "1.0" : mc->name); + smbios_set_defaults("QEMU", product, mc->name); /* build the array of physical mem area from base_memmap */ mem_array.address = vms->memmap[VIRT_MEM].base; @@ -1770,24 +1765,18 @@ void virt_machine_done(Notifier *notifier, void *data) static uint64_t virt_cpu_mp_affinity(VirtMachineState *vms, int idx) { - uint8_t clustersz = ARM_DEFAULT_CPUS_PER_CLUSTER; - VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); + uint8_t clustersz; - if (!vmc->disallow_affinity_adjustment) { - /* Adjust MPIDR like 64-bit KVM hosts, which incorporate the - * GIC's target-list limitations. 32-bit KVM hosts currently - * always create clusters of 4 CPUs, but that is expected to - * change when they gain support for gicv3. When KVM is enabled - * it will override the changes we make here, therefore our - * purposes are to make TCG consistent (with 64-bit KVM hosts) - * and to improve SGI efficiency. - */ - if (vms->gic_version == VIRT_GIC_VERSION_2) { - clustersz = GIC_TARGETLIST_BITS; - } else { - clustersz = GICV3_TARGETLIST_BITS; - } + /* + * Adjust MPIDR to make TCG consistent (with 64-bit KVM hosts) + * and to improve SGI efficiency. + */ + if (vms->gic_version == VIRT_GIC_VERSION_2) { + clustersz = GIC_TARGETLIST_BITS; + } else { + clustersz = GICV3_TARGETLIST_BITS; } + return arm_build_mp_affinity(idx, clustersz); } @@ -2037,10 +2026,11 @@ static void finalize_gic_version(VirtMachineState *vms) } /* - * virt_cpu_post_init() must be called after the CPUs have - * been realized and the GIC has been created. + * virt_post_cpus_gic_realized() must be called after the CPUs and + * the GIC have both been realized. */ -static void virt_cpu_post_init(VirtMachineState *vms, MemoryRegion *sysmem) +static void virt_post_cpus_gic_realized(VirtMachineState *vms, + MemoryRegion *sysmem) { int max_cpus = MACHINE(vms)->smp.max_cpus; bool aarch64, pmu, steal_time; @@ -2211,14 +2201,14 @@ static void machvirt_init(MachineState *machine) exit(1); } - if (vms->secure && (kvm_enabled() || hvf_enabled())) { + if (vms->secure && !tcg_enabled() && !qtest_enabled()) { error_report("mach-virt: %s does not support providing " "Security extensions (TrustZone) to the guest CPU", current_accel_name()); exit(1); } - if (vms->virt && (kvm_enabled() || hvf_enabled())) { + if (vms->virt && !tcg_enabled() && !qtest_enabled()) { error_report("mach-virt: %s does not support providing " "Virtualization extensions to the guest CPU", current_accel_name()); @@ -2273,10 +2263,6 @@ static void machvirt_init(MachineState *machine) object_property_set_bool(cpuobj, "kvm-steal-time", false, NULL); } - if (vmc->no_pmu && object_property_find(cpuobj, "pmu")) { - object_property_set_bool(cpuobj, "pmu", false, NULL); - } - if (vmc->no_tcg_lpa2 && object_property_find(cpuobj, "lpa2")) { object_property_set_bool(cpuobj, "lpa2", false, NULL); } @@ -2361,7 +2347,7 @@ static void machvirt_init(MachineState *machine) create_gic(vms, sysmem); - virt_cpu_post_init(vms, sysmem); + virt_post_cpus_gic_realized(vms, sysmem); fdt_add_pmu_nodes(vms); @@ -3124,7 +3110,7 @@ static int virt_hvf_get_physical_address_range(MachineState *ms) return requested_ipa_size; } -static void virt_machine_class_init(ObjectClass *oc, void *data) +static void virt_machine_class_init(ObjectClass *oc, const void *data) { MachineClass *mc = MACHINE_CLASS(oc); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); @@ -3348,22 +3334,14 @@ static void virt_instance_init(Object *obj) vms->highmem_compact = !vmc->no_highmem_compact; vms->gic_version = VIRT_GIC_VERSION_NOSEL; - vms->highmem_ecam = !vmc->no_highmem_ecam; + vms->highmem_ecam = true; vms->highmem_mmio = true; vms->highmem_redists = true; - if (vmc->no_its) { - vms->its = false; - } else { - /* Default allows ITS instantiation */ - vms->its = true; - - if (vmc->no_tcg_its) { - vms->tcg_its = false; - } else { - vms->tcg_its = true; - } - } + /* Default allows ITS instantiation */ + vms->its = true; + /* Allow ITS emulation if the machine version supports it */ + vms->tcg_its = !vmc->no_tcg_its; /* Default disallows iommu instantiation */ vms->iommu = VIRT_IOMMU_NONE; @@ -3396,7 +3374,7 @@ static const TypeInfo virt_machine_info = { .class_size = sizeof(VirtMachineClass), .class_init = virt_machine_class_init, .instance_init = virt_instance_init, - .interfaces = (InterfaceInfo[]) { + .interfaces = (const InterfaceInfo[]) { { TYPE_HOTPLUG_HANDLER }, { } }, @@ -3408,10 +3386,17 @@ static void machvirt_machine_init(void) } type_init(machvirt_machine_init); +static void virt_machine_10_1_options(MachineClass *mc) +{ +} +DEFINE_VIRT_MACHINE_AS_LATEST(10, 1) + static void virt_machine_10_0_options(MachineClass *mc) { + virt_machine_10_1_options(mc); + compat_props_add(mc->compat_props, hw_compat_10_0, hw_compat_10_0_len); } -DEFINE_VIRT_MACHINE_AS_LATEST(10, 0) +DEFINE_VIRT_MACHINE(10, 0) static void virt_machine_9_2_options(MachineClass *mc) { @@ -3576,99 +3561,3 @@ static void virt_machine_4_1_options(MachineClass *mc) mc->auto_enable_numa_with_memhp = false; } DEFINE_VIRT_MACHINE(4, 1) - -static void virt_machine_4_0_options(MachineClass *mc) -{ - virt_machine_4_1_options(mc); - compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); -} -DEFINE_VIRT_MACHINE(4, 0) - -static void virt_machine_3_1_options(MachineClass *mc) -{ - virt_machine_4_0_options(mc); - compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); -} -DEFINE_VIRT_MACHINE(3, 1) - -static void virt_machine_3_0_options(MachineClass *mc) -{ - virt_machine_3_1_options(mc); - compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); -} -DEFINE_VIRT_MACHINE(3, 0) - -static void virt_machine_2_12_options(MachineClass *mc) -{ - VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); - - virt_machine_3_0_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); - vmc->no_highmem_ecam = true; - mc->max_cpus = 255; -} -DEFINE_VIRT_MACHINE(2, 12) - -static void virt_machine_2_11_options(MachineClass *mc) -{ - VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); - - virt_machine_2_12_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); - vmc->smbios_old_sys_ver = true; -} -DEFINE_VIRT_MACHINE(2, 11) - -static void virt_machine_2_10_options(MachineClass *mc) -{ - virt_machine_2_11_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); - /* before 2.11 we never faulted accesses to bad addresses */ - mc->ignore_memory_transaction_failures = true; -} -DEFINE_VIRT_MACHINE(2, 10) - -static void virt_machine_2_9_options(MachineClass *mc) -{ - virt_machine_2_10_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); -} -DEFINE_VIRT_MACHINE(2, 9) - -static void virt_machine_2_8_options(MachineClass *mc) -{ - VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); - - virt_machine_2_9_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); - /* For 2.8 and earlier we falsely claimed in the DT that - * our timers were edge-triggered, not level-triggered. - */ - vmc->claim_edge_triggered_timers = true; -} -DEFINE_VIRT_MACHINE(2, 8) - -static void virt_machine_2_7_options(MachineClass *mc) -{ - VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); - - virt_machine_2_8_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); - /* ITS was introduced with 2.8 */ - vmc->no_its = true; - /* Stick with 1K pages for migration compatibility */ - mc->minimum_page_bits = 0; -} -DEFINE_VIRT_MACHINE(2, 7) - -static void virt_machine_2_6_options(MachineClass *mc) -{ - VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); - - virt_machine_2_7_options(mc); - compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); - vmc->disallow_affinity_adjustment = true; - /* Disable PMU for 2.6 as PMU support was first introduced in 2.7 */ - vmc->no_pmu = true; -} -DEFINE_VIRT_MACHINE(2, 6) |