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hw/boards: Convert current_machine to MachineState 

In order to allow attaching machine options to a machine instance,
current_machine is converted into MachineState.
As a first step of deprecating QEMUMachine, some of the functions
were modified to return MachineClass.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Marcel Apfelbaum 2014-03-05 19:30:47 +02:00 committed by Andreas Färber
parent 261747f176
commit 0056ae24bc
4 changed files with 53 additions and 36 deletions
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4
device-hotplug.c
View File

@ -33,12 +33,14 @@ DriveInfo *add_init_drive(const char *optstr)
{
DriveInfo *dinfo;
QemuOpts *opts;
MachineClass *mc;
opts = drive_def(optstr);
if (!opts)
return NULL;
dinfo = drive_init(opts, current_machine->block_default_type);
mc = MACHINE_GET_CLASS(current_machine);
dinfo = drive_init(opts, mc->qemu_machine->block_default_type);
if (!dinfo) {
qemu_opts_del(opts);
return NULL;

6
include/hw/boards.h
View File

@ -53,9 +53,6 @@ struct QEMUMachine {
#define TYPE_MACHINE_SUFFIX "-machine"
int qemu_register_machine(QEMUMachine *m);
QEMUMachine *find_default_machine(void);
extern QEMUMachine *current_machine;
#define TYPE_MACHINE "machine"
#define MACHINE(obj) \
@ -68,6 +65,9 @@ extern QEMUMachine *current_machine;
typedef struct MachineState MachineState;
typedef struct MachineClass MachineClass;
MachineClass *find_default_machine(void);
extern MachineState *current_machine;
/**
* MachineClass:
* @qemu_machine: #QEMUMachine

7
qmp.c
View File

@ -114,8 +114,11 @@ void qmp_cpu(int64_t index, Error **errp)
void qmp_cpu_add(int64_t id, Error **errp)
{
if (current_machine->hot_add_cpu) {
current_machine->hot_add_cpu(id, errp);
MachineClass *mc;
mc = MACHINE_GET_CLASS(current_machine);
if (mc->qemu_machine->hot_add_cpu) {
mc->qemu_machine->hot_add_cpu(id, errp);
} else {
error_setg(errp, "Not supported");
}

72
vl.c
View File

@ -1571,7 +1571,7 @@ void pcmcia_info(Monitor *mon, const QDict *qdict)
/***********************************************************/
/* machine registration */
QEMUMachine *current_machine = NULL;
MachineState *current_machine;
static void machine_class_init(ObjectClass *oc, void *data)
{
@ -1594,44 +1594,45 @@ int qemu_register_machine(QEMUMachine *m)
return 0;
}
static QEMUMachine *find_machine(const char *name)
static MachineClass *find_machine(const char *name)
{
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
QEMUMachine *m = NULL;
MachineClass *mc = NULL;
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
MachineClass *temp = el->data;
if (!strcmp(mc->qemu_machine->name, name)) {
m = mc->qemu_machine;
if (!strcmp(temp->qemu_machine->name, name)) {
mc = temp;
break;
}
if (mc->qemu_machine->alias && !strcmp(mc->qemu_machine->alias, name)) {
m = mc->qemu_machine;
if (temp->qemu_machine->alias &&
!strcmp(temp->qemu_machine->alias, name)) {
mc = temp;
break;
}
}
g_slist_free(machines);
return m;
return mc;
}
QEMUMachine *find_default_machine(void)
MachineClass *find_default_machine(void)
{
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
QEMUMachine *m = NULL;
MachineClass *mc = NULL;
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
MachineClass *temp = el->data;
if (mc->qemu_machine->is_default) {
m = mc->qemu_machine;
if (temp->qemu_machine->is_default) {
mc = temp;
break;
}
}
g_slist_free(machines);
return m;
return mc;
}
MachineInfoList *qmp_query_machines(Error **errp)
@ -1860,8 +1861,12 @@ void qemu_devices_reset(void)
void qemu_system_reset(bool report)
{
if (current_machine && current_machine->reset) {
current_machine->reset();
MachineClass *mc;
mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
if (mc && mc->qemu_machine->reset) {
mc->qemu_machine->reset();
} else {
qemu_devices_reset();
}
@ -2633,21 +2638,21 @@ static int debugcon_parse(const char *devname)
return 0;
}
static QEMUMachine *machine_parse(const char *name)
static MachineClass *machine_parse(const char *name)
{
QEMUMachine *m, *machine = NULL;
MachineClass *mc = NULL;
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
if (name) {
machine = find_machine(name);
mc = find_machine(name);
}
if (machine) {
return machine;
if (mc) {
return mc;
}
printf("Supported machines are:\n");
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
m = mc->qemu_machine;
QEMUMachine *m = mc->qemu_machine;
if (m->alias) {
printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
}
@ -2904,6 +2909,7 @@ int main(int argc, char **argv, char **envp)
int optind;
const char *optarg;
const char *loadvm = NULL;
MachineClass *machine_class;
QEMUMachine *machine;
const char *cpu_model;
const char *vga_model = "none";
@ -2978,7 +2984,7 @@ int main(int argc, char **argv, char **envp)
os_setup_early_signal_handling();
module_call_init(MODULE_INIT_MACHINE);
machine = find_default_machine();
machine_class = find_default_machine();
cpu_model = NULL;
ram_size = 0;
snapshot = 0;
@ -3044,7 +3050,7 @@ int main(int argc, char **argv, char **envp)
}
switch(popt->index) {
case QEMU_OPTION_M:
machine = machine_parse(optarg);
machine_class = machine_parse(optarg);
break;
case QEMU_OPTION_no_kvm_irqchip: {
olist = qemu_find_opts("machine");
@ -3600,7 +3606,7 @@ int main(int argc, char **argv, char **envp)
}
optarg = qemu_opt_get(opts, "type");
if (optarg) {
machine = machine_parse(optarg);
machine_class = machine_parse(optarg);
}
break;
case QEMU_OPTION_no_kvm:
@ -3906,11 +3912,17 @@ int main(int argc, char **argv, char **envp)
}
#endif
if (machine == NULL) {
if (machine_class == NULL) {
fprintf(stderr, "No machine found.\n");
exit(1);
}
current_machine = MACHINE(object_new(object_class_get_name(
OBJECT_CLASS(machine_class))));
object_property_add_child(object_get_root(), "machine",
OBJECT(current_machine), &error_abort);
machine = machine_class->qemu_machine;
if (machine->hw_version) {
qemu_set_version(machine->hw_version);
}
@ -4339,7 +4351,9 @@ int main(int argc, char **argv, char **envp)
.kernel_cmdline = kernel_cmdline,
.initrd_filename = initrd_filename,
.cpu_model = cpu_model };
machine->init(&args);
current_machine->init_args = args;
machine->init(&current_machine->init_args);
audio_init();
@ -4347,8 +4361,6 @@ int main(int argc, char **argv, char **envp)
set_numa_modes();
current_machine = machine;
/* init USB devices */
if (usb_enabled(false)) {
if (foreach_device_config(DEV_USB, usb_parse) < 0)