qemu/hw/core/machine.c
Eduardo Habkost 26b81df45c machine: Register TYPE_MACHINE properties as class properties
When doing the conversion, the NULL errp arguments on the
property registration calls were changed to &error_abort.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-10-17 15:48:40 -02:00

594 lines
16 KiB
C

/*
* 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 "qemu/osdep.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "qapi-visit.h"
#include "qapi/visitor.h"
#include "hw/sysbus.h"
#include "sysemu/sysemu.h"
#include "qemu/error-report.h"
#include "qemu/cutils.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, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
Error *err = NULL;
MachineState *ms = MACHINE(obj);
OnOffSplit mode;
visit_type_OnOffSplit(v, name, &mode, &err);
if (err) {
error_propagate(errp, err);
return;
} else {
switch (mode) {
case ON_OFF_SPLIT_ON:
ms->kernel_irqchip_allowed = true;
ms->kernel_irqchip_required = true;
ms->kernel_irqchip_split = false;
break;
case ON_OFF_SPLIT_OFF:
ms->kernel_irqchip_allowed = false;
ms->kernel_irqchip_required = false;
ms->kernel_irqchip_split = false;
break;
case ON_OFF_SPLIT_SPLIT:
ms->kernel_irqchip_allowed = true;
ms->kernel_irqchip_required = true;
ms->kernel_irqchip_split = true;
break;
default:
/* The value was checked in visit_type_OnOffSplit() above. If
* we get here, then something is wrong in QEMU.
*/
abort();
}
}
}
static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->kvm_shadow_mem;
visit_type_int(v, name, &value, errp);
}
static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, name, &value, &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,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
int64_t value = ms->phandle_start;
visit_type_int(v, name, &value, errp);
}
static void machine_set_phandle_start(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MachineState *ms = MACHINE(obj);
Error *error = NULL;
int64_t value;
visit_type_int(v, name, &value, &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_graphics(Object *obj, Error **errp)
{
MachineState *ms = MACHINE(obj);
return ms->enable_graphics;
}
static void machine_set_graphics(Object *obj, bool value, Error **errp)
{
MachineState *ms = MACHINE(obj);
ms->enable_graphics = 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 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 void 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;
mc->rom_file_has_mr = true;
object_class_property_add_str(oc, "accel",
machine_get_accel, machine_set_accel, &error_abort);
object_class_property_set_description(oc, "accel",
"Accelerator list", &error_abort);
object_class_property_add(oc, "kernel-irqchip", "OnOffSplit",
NULL, machine_set_kernel_irqchip,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "kernel-irqchip",
"Configure KVM in-kernel irqchip", &error_abort);
object_class_property_add(oc, "kvm-shadow-mem", "int",
machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "kvm-shadow-mem",
"KVM shadow MMU size", &error_abort);
object_class_property_add_str(oc, "kernel",
machine_get_kernel, machine_set_kernel, &error_abort);
object_class_property_set_description(oc, "kernel",
"Linux kernel image file", &error_abort);
object_class_property_add_str(oc, "initrd",
machine_get_initrd, machine_set_initrd, &error_abort);
object_class_property_set_description(oc, "initrd",
"Linux initial ramdisk file", &error_abort);
object_class_property_add_str(oc, "append",
machine_get_append, machine_set_append, &error_abort);
object_class_property_set_description(oc, "append",
"Linux kernel command line", &error_abort);
object_class_property_add_str(oc, "dtb",
machine_get_dtb, machine_set_dtb, &error_abort);
object_class_property_set_description(oc, "dtb",
"Linux kernel device tree file", &error_abort);
object_class_property_add_str(oc, "dumpdtb",
machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
object_class_property_set_description(oc, "dumpdtb",
"Dump current dtb to a file and quit", &error_abort);
object_class_property_add(oc, "phandle-start", "int",
machine_get_phandle_start, machine_set_phandle_start,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "phandle-start",
"The first phandle ID we may generate dynamically", &error_abort);
object_class_property_add_str(oc, "dt-compatible",
machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
object_class_property_set_description(oc, "dt-compatible",
"Overrides the \"compatible\" property of the dt root node",
&error_abort);
object_class_property_add_bool(oc, "dump-guest-core",
machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
object_class_property_set_description(oc, "dump-guest-core",
"Include guest memory in a core dump", &error_abort);
object_class_property_add_bool(oc, "mem-merge",
machine_get_mem_merge, machine_set_mem_merge, &error_abort);
object_class_property_set_description(oc, "mem-merge",
"Enable/disable memory merge support", &error_abort);
object_class_property_add_bool(oc, "usb",
machine_get_usb, machine_set_usb, &error_abort);
object_class_property_set_description(oc, "usb",
"Set on/off to enable/disable usb", &error_abort);
object_class_property_add_bool(oc, "graphics",
machine_get_graphics, machine_set_graphics, &error_abort);
object_class_property_set_description(oc, "graphics",
"Set on/off to enable/disable graphics emulation", &error_abort);
object_class_property_add_bool(oc, "igd-passthru",
machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
&error_abort);
object_class_property_set_description(oc, "igd-passthru",
"Set on/off to enable/disable igd passthrou", &error_abort);
object_class_property_add_str(oc, "firmware",
machine_get_firmware, machine_set_firmware,
&error_abort);
object_class_property_set_description(oc, "firmware",
"Firmware image", &error_abort);
object_class_property_add_bool(oc, "suppress-vmdesc",
machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
&error_abort);
object_class_property_set_description(oc, "suppress-vmdesc",
"Set on to disable self-describing migration", &error_abort);
object_class_property_add_bool(oc, "enforce-config-section",
machine_get_enforce_config_section, machine_set_enforce_config_section,
&error_abort);
object_class_property_set_description(oc, "enforce-config-section",
"Set on to enforce configuration section migration", &error_abort);
}
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;
ms->enable_graphics = true;
/* 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;
}
bool machine_kernel_irqchip_split(MachineState *machine)
{
return machine->kernel_irqchip_split;
}
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 void machine_class_finalize(ObjectClass *klass, void *data)
{
MachineClass *mc = MACHINE_CLASS(klass);
if (mc->compat_props) {
g_array_free(mc->compat_props, true);
}
g_free(mc->name);
}
void machine_register_compat_props(MachineState *machine)
{
MachineClass *mc = MACHINE_GET_CLASS(machine);
int i;
GlobalProperty *p;
if (!mc->compat_props) {
return;
}
for (i = 0; i < mc->compat_props->len; i++) {
p = g_array_index(mc->compat_props, GlobalProperty *, i);
/* Machine compat_props must never cause errors: */
p->errp = &error_abort;
qdev_prop_register_global(p);
}
}
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,
.class_finalize = machine_class_finalize,
.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)