diff options
Diffstat (limited to 'src/hw/core/machine.c')
| -rw-r--r-- | src/hw/core/machine.c | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/src/hw/core/machine.c b/src/hw/core/machine.c new file mode 100644 index 0000000..f4d3170 --- /dev/null +++ b/src/hw/core/machine.c @@ -0,0 +1,533 @@ +/* + * QEMU Machine + * + * Copyright (C) 2014 Red Hat Inc + * + * Authors: + * Marcel Apfelbaum <marcel.a@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "hw/boards.h" +#include "qapi/visitor.h" +#include "hw/sysbus.h" +#include "sysemu/sysemu.h" +#include "qemu/error-report.h" + +static char *machine_get_accel(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->accel); +} + +static void machine_set_accel(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->accel); + ms->accel = g_strdup(value); +} + +static void machine_set_kernel_irqchip(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->kernel_irqchip_allowed = value; + ms->kernel_irqchip_required = value; +} + +static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + int64_t value = ms->kvm_shadow_mem; + + visit_type_int(v, &value, name, errp); +} + +static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + Error *error = NULL; + int64_t value; + + visit_type_int(v, &value, name, &error); + if (error) { + error_propagate(errp, error); + return; + } + + ms->kvm_shadow_mem = value; +} + +static char *machine_get_kernel(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->kernel_filename); +} + +static void machine_set_kernel(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->kernel_filename); + ms->kernel_filename = g_strdup(value); +} + +static char *machine_get_initrd(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->initrd_filename); +} + +static void machine_set_initrd(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->initrd_filename); + ms->initrd_filename = g_strdup(value); +} + +static char *machine_get_append(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->kernel_cmdline); +} + +static void machine_set_append(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->kernel_cmdline); + ms->kernel_cmdline = g_strdup(value); +} + +static char *machine_get_dtb(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->dtb); +} + +static void machine_set_dtb(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->dtb); + ms->dtb = g_strdup(value); +} + +static char *machine_get_dumpdtb(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->dumpdtb); +} + +static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->dumpdtb); + ms->dumpdtb = g_strdup(value); +} + +static void machine_get_phandle_start(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + int64_t value = ms->phandle_start; + + visit_type_int(v, &value, name, errp); +} + +static void machine_set_phandle_start(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + Error *error = NULL; + int64_t value; + + visit_type_int(v, &value, name, &error); + if (error) { + error_propagate(errp, error); + return; + } + + ms->phandle_start = value; +} + +static char *machine_get_dt_compatible(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->dt_compatible); +} + +static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->dt_compatible); + ms->dt_compatible = g_strdup(value); +} + +static bool machine_get_dump_guest_core(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->dump_guest_core; +} + +static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->dump_guest_core = value; +} + +static bool machine_get_mem_merge(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->mem_merge; +} + +static void machine_set_mem_merge(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->mem_merge = value; +} + +static bool machine_get_usb(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->usb; +} + +static void machine_set_usb(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->usb = value; + ms->usb_disabled = !value; +} + +static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->igd_gfx_passthru; +} + +static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->igd_gfx_passthru = value; +} + +static char *machine_get_firmware(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->firmware); +} + +static void machine_set_firmware(Object *obj, const char *value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->firmware); + ms->firmware = g_strdup(value); +} + +static bool machine_get_iommu(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->iommu; +} + +static void machine_set_iommu(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->iommu = value; +} + +static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->suppress_vmdesc = value; +} + +static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->suppress_vmdesc; +} + +static void machine_set_enforce_config_section(Object *obj, bool value, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->enforce_config_section = value; +} + +static bool machine_get_enforce_config_section(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->enforce_config_section; +} + +static int error_on_sysbus_device(SysBusDevice *sbdev, void *opaque) +{ + error_report("Option '-device %s' cannot be handled by this machine", + object_class_get_name(object_get_class(OBJECT(sbdev)))); + exit(1); +} + +static void machine_init_notify(Notifier *notifier, void *data) +{ + Object *machine = qdev_get_machine(); + ObjectClass *oc = object_get_class(machine); + MachineClass *mc = MACHINE_CLASS(oc); + + if (mc->has_dynamic_sysbus) { + /* Our machine can handle dynamic sysbus devices, we're all good */ + return; + } + + /* + * Loop through all dynamically created devices and check whether there + * are sysbus devices among them. If there are, error out. + */ + foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL); +} + +static void machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + + /* Default 128 MB as guest ram size */ + mc->default_ram_size = 128 * M_BYTE; +} + +static void machine_class_base_init(ObjectClass *oc, void *data) +{ + if (!object_class_is_abstract(oc)) { + MachineClass *mc = MACHINE_CLASS(oc); + const char *cname = object_class_get_name(oc); + assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); + mc->name = g_strndup(cname, + strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); + } +} + +static void machine_initfn(Object *obj) +{ + MachineState *ms = MACHINE(obj); + + ms->kernel_irqchip_allowed = true; + ms->kvm_shadow_mem = -1; + ms->dump_guest_core = true; + ms->mem_merge = true; + + object_property_add_str(obj, "accel", + machine_get_accel, machine_set_accel, NULL); + object_property_set_description(obj, "accel", + "Accelerator list", + NULL); + object_property_add_bool(obj, "kernel-irqchip", + NULL, + machine_set_kernel_irqchip, + NULL); + object_property_set_description(obj, "kernel-irqchip", + "Use KVM in-kernel irqchip", + NULL); + object_property_add(obj, "kvm-shadow-mem", "int", + machine_get_kvm_shadow_mem, + machine_set_kvm_shadow_mem, + NULL, NULL, NULL); + object_property_set_description(obj, "kvm-shadow-mem", + "KVM shadow MMU size", + NULL); + object_property_add_str(obj, "kernel", + machine_get_kernel, machine_set_kernel, NULL); + object_property_set_description(obj, "kernel", + "Linux kernel image file", + NULL); + object_property_add_str(obj, "initrd", + machine_get_initrd, machine_set_initrd, NULL); + object_property_set_description(obj, "initrd", + "Linux initial ramdisk file", + NULL); + object_property_add_str(obj, "append", + machine_get_append, machine_set_append, NULL); + object_property_set_description(obj, "append", + "Linux kernel command line", + NULL); + object_property_add_str(obj, "dtb", + machine_get_dtb, machine_set_dtb, NULL); + object_property_set_description(obj, "dtb", + "Linux kernel device tree file", + NULL); + object_property_add_str(obj, "dumpdtb", + machine_get_dumpdtb, machine_set_dumpdtb, NULL); + object_property_set_description(obj, "dumpdtb", + "Dump current dtb to a file and quit", + NULL); + object_property_add(obj, "phandle-start", "int", + machine_get_phandle_start, + machine_set_phandle_start, + NULL, NULL, NULL); + object_property_set_description(obj, "phandle-start", + "The first phandle ID we may generate dynamically", + NULL); + object_property_add_str(obj, "dt-compatible", + machine_get_dt_compatible, + machine_set_dt_compatible, + NULL); + object_property_set_description(obj, "dt-compatible", + "Overrides the \"compatible\" property of the dt root node", + NULL); + object_property_add_bool(obj, "dump-guest-core", + machine_get_dump_guest_core, + machine_set_dump_guest_core, + NULL); + object_property_set_description(obj, "dump-guest-core", + "Include guest memory in a core dump", + NULL); + object_property_add_bool(obj, "mem-merge", + machine_get_mem_merge, + machine_set_mem_merge, NULL); + object_property_set_description(obj, "mem-merge", + "Enable/disable memory merge support", + NULL); + object_property_add_bool(obj, "usb", + machine_get_usb, + machine_set_usb, NULL); + object_property_set_description(obj, "usb", + "Set on/off to enable/disable usb", + NULL); + object_property_add_bool(obj, "igd-passthru", + machine_get_igd_gfx_passthru, + machine_set_igd_gfx_passthru, NULL); + object_property_set_description(obj, "igd-passthru", + "Set on/off to enable/disable igd passthrou", + NULL); + object_property_add_str(obj, "firmware", + machine_get_firmware, + machine_set_firmware, NULL); + object_property_set_description(obj, "firmware", + "Firmware image", + NULL); + object_property_add_bool(obj, "iommu", + machine_get_iommu, + machine_set_iommu, NULL); + object_property_set_description(obj, "iommu", + "Set on/off to enable/disable Intel IOMMU (VT-d)", + NULL); + object_property_add_bool(obj, "suppress-vmdesc", + machine_get_suppress_vmdesc, + machine_set_suppress_vmdesc, NULL); + object_property_set_description(obj, "suppress-vmdesc", + "Set on to disable self-describing migration", + NULL); + object_property_add_bool(obj, "enforce-config-section", + machine_get_enforce_config_section, + machine_set_enforce_config_section, NULL); + object_property_set_description(obj, "enforce-config-section", + "Set on to enforce configuration section migration", + NULL); + + /* Register notifier when init is done for sysbus sanity checks */ + ms->sysbus_notifier.notify = machine_init_notify; + qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); +} + +static void machine_finalize(Object *obj) +{ + MachineState *ms = MACHINE(obj); + + g_free(ms->accel); + g_free(ms->kernel_filename); + g_free(ms->initrd_filename); + g_free(ms->kernel_cmdline); + g_free(ms->dtb); + g_free(ms->dumpdtb); + g_free(ms->dt_compatible); + g_free(ms->firmware); +} + +bool machine_usb(MachineState *machine) +{ + return machine->usb; +} + +bool machine_kernel_irqchip_allowed(MachineState *machine) +{ + return machine->kernel_irqchip_allowed; +} + +bool machine_kernel_irqchip_required(MachineState *machine) +{ + return machine->kernel_irqchip_required; +} + +int machine_kvm_shadow_mem(MachineState *machine) +{ + return machine->kvm_shadow_mem; +} + +int machine_phandle_start(MachineState *machine) +{ + return machine->phandle_start; +} + +bool machine_dump_guest_core(MachineState *machine) +{ + return machine->dump_guest_core; +} + +bool machine_mem_merge(MachineState *machine) +{ + return machine->mem_merge; +} + +static const TypeInfo machine_info = { + .name = TYPE_MACHINE, + .parent = TYPE_OBJECT, + .abstract = true, + .class_size = sizeof(MachineClass), + .class_init = machine_class_init, + .class_base_init = machine_class_base_init, + .instance_size = sizeof(MachineState), + .instance_init = machine_initfn, + .instance_finalize = machine_finalize, +}; + +static void machine_register_types(void) +{ + type_register_static(&machine_info); +} + +type_init(machine_register_types) |
