[qemu.git] / hw / core / machine.c

/*
 * QEMU Machine
 *
 * Copyright (C) 2014 Red Hat Inc
 *
 * Authors:
 *   Marcel Apfelbaum <[email protected]>
 *
 * 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 bool machine_get_kernel_irqchip(Object *obj, Error **errp)
{
    MachineState *ms = MACHINE(obj);

    return ms->kernel_irqchip;
}

static void machine_set_kernel_irqchip(Object *obj, bool value, Error **errp)
{
    MachineState *ms = MACHINE(obj);

    ms->kernel_irqchip = 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;
}

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 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_initfn(Object *obj)
{
    MachineState *ms = MACHINE(obj);

    object_property_add_str(obj, "accel",
                            machine_get_accel, machine_set_accel, NULL);
    object_property_add_bool(obj, "kernel-irqchip",
                             machine_get_kernel_irqchip,
                             machine_set_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_add_str(obj, "kernel",
                            machine_get_kernel, machine_set_kernel, NULL);
    object_property_add_str(obj, "initrd",
                            machine_get_initrd, machine_set_initrd, NULL);
    object_property_add_str(obj, "append",
                            machine_get_append, machine_set_append, NULL);
    object_property_add_str(obj, "dtb",
                            machine_get_dtb, machine_set_dtb, NULL);
    object_property_add_str(obj, "dumpdtb",
                            machine_get_dumpdtb, machine_set_dumpdtb, NULL);
    object_property_add(obj, "phandle-start", "int",
                        machine_get_phandle_start,
                        machine_set_phandle_start,
                        NULL, NULL, NULL);
    object_property_add_str(obj, "dt-compatible",
                            machine_get_dt_compatible,
                            machine_set_dt_compatible,
                            NULL);
    object_property_add_bool(obj, "dump-guest-core",
                             machine_get_dump_guest_core,
                             machine_set_dump_guest_core,
                             NULL);
    object_property_add_bool(obj, "mem-merge",
                             machine_get_mem_merge,
                             machine_set_mem_merge, NULL);
    object_property_add_bool(obj, "usb",
                             machine_get_usb,
                             machine_set_usb, NULL);
    object_property_add_str(obj, "firmware",
                            machine_get_firmware,
                            machine_set_firmware, NULL);
    object_property_add_bool(obj, "iommu",
                             machine_get_iommu,
                             machine_set_iommu, 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);
}

static const TypeInfo machine_info = {
    .name = TYPE_MACHINE,
    .parent = TYPE_OBJECT,
    .abstract = true,
    .class_size = sizeof(MachineClass),
    .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)
Commit	Line	Data
36d20cb2 MA	1	/*
	2	* QEMU Machine
	3	*
	4	* Copyright (C) 2014 Red Hat Inc
	5	*
	6	* Authors:
	7	* Marcel Apfelbaum <[email protected]>
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	10	* See the COPYING file in the top-level directory.
	11	*/
	12
	13	#include "hw/boards.h"
6b1b1440	14	#include "qapi/visitor.h"
33cd52b5 AG	15	#include "hw/sysbus.h"
	16	#include "sysemu/sysemu.h"
	17	#include "qemu/error-report.h"
6b1b1440 MA	18
	19	static char machine_get_accel(Object obj, Error **errp)
	20	{
	21	MachineState *ms = MACHINE(obj);
	22
	23	return g_strdup(ms->accel);
	24	}
	25
	26	static void machine_set_accel(Object obj, const char value, Error **errp)
	27	{
	28	MachineState *ms = MACHINE(obj);
	29
556068ee	30	g_free(ms->accel);
6b1b1440 MA	31	ms->accel = g_strdup(value);
	32	}
	33
	34	static bool machine_get_kernel_irqchip(Object obj, Error *errp)
	35	{
	36	MachineState *ms = MACHINE(obj);
	37
	38	return ms->kernel_irqchip;
	39	}
	40
	41	static void machine_set_kernel_irqchip(Object obj, bool value, Error *errp)
	42	{
	43	MachineState *ms = MACHINE(obj);
	44
	45	ms->kernel_irqchip = value;
	46	}
	47
	48	static void machine_get_kvm_shadow_mem(Object obj, Visitor v,
	49	void opaque, const char name,
	50	Error **errp)
	51	{
	52	MachineState *ms = MACHINE(obj);
	53	int64_t value = ms->kvm_shadow_mem;
	54
	55	visit_type_int(v, &value, name, errp);
	56	}
	57
	58	static void machine_set_kvm_shadow_mem(Object obj, Visitor v,
	59	void opaque, const char name,
	60	Error **errp)
	61	{
	62	MachineState *ms = MACHINE(obj);
	63	Error *error = NULL;
	64	int64_t value;
	65
	66	visit_type_int(v, &value, name, &error);
	67	if (error) {
	68	error_propagate(errp, error);
	69	return;
	70	}
	71
	72	ms->kvm_shadow_mem = value;
	73	}
	74
	75	static char machine_get_kernel(Object obj, Error **errp)
	76	{
	77	MachineState *ms = MACHINE(obj);
	78
	79	return g_strdup(ms->kernel_filename);
	80	}
	81
	82	static void machine_set_kernel(Object obj, const char value, Error **errp)
	83	{
	84	MachineState *ms = MACHINE(obj);
	85
556068ee	86	g_free(ms->kernel_filename);
6b1b1440 MA	87	ms->kernel_filename = g_strdup(value);
	88	}
	89
	90	static char machine_get_initrd(Object obj, Error **errp)
	91	{
	92	MachineState *ms = MACHINE(obj);
	93
	94	return g_strdup(ms->initrd_filename);
	95	}
	96
	97	static void machine_set_initrd(Object obj, const char value, Error **errp)
	98	{
	99	MachineState *ms = MACHINE(obj);
	100
556068ee	101	g_free(ms->initrd_filename);
6b1b1440 MA	102	ms->initrd_filename = g_strdup(value);
	103	}
	104
	105	static char machine_get_append(Object obj, Error **errp)
	106	{
	107	MachineState *ms = MACHINE(obj);
	108
	109	return g_strdup(ms->kernel_cmdline);
	110	}
	111
	112	static void machine_set_append(Object obj, const char value, Error **errp)
	113	{
	114	MachineState *ms = MACHINE(obj);
	115
556068ee	116	g_free(ms->kernel_cmdline);
6b1b1440 MA	117	ms->kernel_cmdline = g_strdup(value);
	118	}
	119
	120	static char machine_get_dtb(Object obj, Error **errp)
	121	{
	122	MachineState *ms = MACHINE(obj);
	123
	124	return g_strdup(ms->dtb);
	125	}
	126
	127	static void machine_set_dtb(Object obj, const char value, Error **errp)
	128	{
	129	MachineState *ms = MACHINE(obj);
	130
556068ee	131	g_free(ms->dtb);
6b1b1440 MA	132	ms->dtb = g_strdup(value);
	133	}
	134
	135	static char machine_get_dumpdtb(Object obj, Error **errp)
	136	{
	137	MachineState *ms = MACHINE(obj);
	138
	139	return g_strdup(ms->dumpdtb);
	140	}
	141
	142	static void machine_set_dumpdtb(Object obj, const char value, Error **errp)
	143	{
	144	MachineState *ms = MACHINE(obj);
	145
556068ee	146	g_free(ms->dumpdtb);
6b1b1440 MA	147	ms->dumpdtb = g_strdup(value);
	148	}
	149
	150	static void machine_get_phandle_start(Object obj, Visitor v,
	151	void opaque, const char name,
	152	Error **errp)
	153	{
	154	MachineState *ms = MACHINE(obj);
	155	int64_t value = ms->phandle_start;
	156
	157	visit_type_int(v, &value, name, errp);
	158	}
	159
	160	static void machine_set_phandle_start(Object obj, Visitor v,
	161	void opaque, const char name,
	162	Error **errp)
	163	{
	164	MachineState *ms = MACHINE(obj);
	165	Error *error = NULL;
	166	int64_t value;
	167
	168	visit_type_int(v, &value, name, &error);
	169	if (error) {
	170	error_propagate(errp, error);
	171	return;
	172	}
	173
	174	ms->phandle_start = value;
	175	}
	176
	177	static char machine_get_dt_compatible(Object obj, Error **errp)
	178	{
	179	MachineState *ms = MACHINE(obj);
	180
	181	return g_strdup(ms->dt_compatible);
	182	}
	183
	184	static void machine_set_dt_compatible(Object obj, const char value, Error **errp)
	185	{
	186	MachineState *ms = MACHINE(obj);
	187
556068ee	188	g_free(ms->dt_compatible);
6b1b1440 MA	189	ms->dt_compatible = g_strdup(value);
	190	}
	191
	192	static bool machine_get_dump_guest_core(Object obj, Error *errp)
	193	{
	194	MachineState *ms = MACHINE(obj);
	195
	196	return ms->dump_guest_core;
	197	}
	198
	199	static void machine_set_dump_guest_core(Object obj, bool value, Error *errp)
	200	{
	201	MachineState *ms = MACHINE(obj);
	202
	203	ms->dump_guest_core = value;
	204	}
	205
	206	static bool machine_get_mem_merge(Object obj, Error *errp)
	207	{
	208	MachineState *ms = MACHINE(obj);
	209
	210	return ms->mem_merge;
	211	}
	212
	213	static void machine_set_mem_merge(Object obj, bool value, Error *errp)
	214	{
	215	MachineState *ms = MACHINE(obj);
	216
	217	ms->mem_merge = value;
	218	}
	219
	220	static bool machine_get_usb(Object obj, Error *errp)
	221	{
	222	MachineState *ms = MACHINE(obj);
	223
	224	return ms->usb;
	225	}
	226
	227	static void machine_set_usb(Object obj, bool value, Error *errp)
	228	{
	229	MachineState *ms = MACHINE(obj);
	230
	231	ms->usb = value;
	232	}
	233
	234	static char machine_get_firmware(Object obj, Error **errp)
	235	{
	236	MachineState *ms = MACHINE(obj);
	237
	238	return g_strdup(ms->firmware);
	239	}
	240
	241	static void machine_set_firmware(Object obj, const char value, Error **errp)
	242	{
	243	MachineState *ms = MACHINE(obj);
	244
556068ee	245	g_free(ms->firmware);
6b1b1440 MA	246	ms->firmware = g_strdup(value);
	247	}
	248
a52a7fdf LT	249	static bool machine_get_iommu(Object obj, Error *errp)
	250	{
	251	MachineState *ms = MACHINE(obj);
	252
	253	return ms->iommu;
	254	}
	255
	256	static void machine_set_iommu(Object obj, bool value, Error *errp)
	257	{
	258	MachineState *ms = MACHINE(obj);
	259
	260	ms->iommu = value;
	261	}
	262
33cd52b5 AG	263	static int error_on_sysbus_device(SysBusDevice sbdev, void opaque)
	264	{
	265	error_report("Option '-device %s' cannot be handled by this machine",
	266	object_class_get_name(object_get_class(OBJECT(sbdev))));
	267	exit(1);
	268	}
	269
	270	static void machine_init_notify(Notifier notifier, void data)
	271	{
	272	Object *machine = qdev_get_machine();
	273	ObjectClass *oc = object_get_class(machine);
	274	MachineClass *mc = MACHINE_CLASS(oc);
	275
	276	if (mc->has_dynamic_sysbus) {
	277	/* Our machine can handle dynamic sysbus devices, we're all good */
	278	return;
	279	}
	280
	281	/*
	282	* Loop through all dynamically created devices and check whether there
	283	* are sysbus devices among them. If there are, error out.
	284	*/
	285	foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
	286	}
	287
6b1b1440 MA	288	static void machine_initfn(Object *obj)
6b1b1440 MA	289	{
33cd52b5 AG	290	MachineState *ms = MACHINE(obj);
33cd52b5 AG	291
6b1b1440 MA	292	object_property_add_str(obj, "accel",
6b1b1440 MA	293	machine_get_accel, machine_set_accel, NULL);
b0ddb8bf	294	object_property_add_bool(obj, "kernel-irqchip",
6b1b1440 MA	295	machine_get_kernel_irqchip,
	296	machine_set_kernel_irqchip,
	297	NULL);
b0ddb8bf	298	object_property_add(obj, "kvm-shadow-mem", "int",
6b1b1440 MA	299	machine_get_kvm_shadow_mem,
	300	machine_set_kvm_shadow_mem,
	301	NULL, NULL, NULL);
	302	object_property_add_str(obj, "kernel",
	303	machine_get_kernel, machine_set_kernel, NULL);
	304	object_property_add_str(obj, "initrd",
	305	machine_get_initrd, machine_set_initrd, NULL);
	306	object_property_add_str(obj, "append",
	307	machine_get_append, machine_set_append, NULL);
	308	object_property_add_str(obj, "dtb",
	309	machine_get_dtb, machine_set_dtb, NULL);
	310	object_property_add_str(obj, "dumpdtb",
	311	machine_get_dumpdtb, machine_set_dumpdtb, NULL);
b0ddb8bf	312	object_property_add(obj, "phandle-start", "int",
6b1b1440 MA	313	machine_get_phandle_start,
	314	machine_set_phandle_start,
	315	NULL, NULL, NULL);
b0ddb8bf	316	object_property_add_str(obj, "dt-compatible",
6b1b1440 MA	317	machine_get_dt_compatible,
	318	machine_set_dt_compatible,
	319	NULL);
	320	object_property_add_bool(obj, "dump-guest-core",
	321	machine_get_dump_guest_core,
	322	machine_set_dump_guest_core,
	323	NULL);
	324	object_property_add_bool(obj, "mem-merge",
ac40aa15 LT	325	machine_get_mem_merge,
	326	machine_set_mem_merge, NULL);
	327	object_property_add_bool(obj, "usb",
	328	machine_get_usb,
	329	machine_set_usb, NULL);
6b1b1440	330	object_property_add_str(obj, "firmware",
ac40aa15 LT	331	machine_get_firmware,
ac40aa15 LT	332	machine_set_firmware, NULL);
a52a7fdf LT	333	object_property_add_bool(obj, "iommu",
	334	machine_get_iommu,
	335	machine_set_iommu, NULL);
33cd52b5 AG	336
	337	/* Register notifier when init is done for sysbus sanity checks */
	338	ms->sysbus_notifier.notify = machine_init_notify;
	339	qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
6b1b1440 MA	340	}
	341
	342	static void machine_finalize(Object *obj)
	343	{
	344	MachineState *ms = MACHINE(obj);
	345
	346	g_free(ms->accel);
	347	g_free(ms->kernel_filename);
	348	g_free(ms->initrd_filename);
	349	g_free(ms->kernel_cmdline);
	350	g_free(ms->dtb);
	351	g_free(ms->dumpdtb);
	352	g_free(ms->dt_compatible);
	353	g_free(ms->firmware);
	354	}
36d20cb2 MA	355
	356	static const TypeInfo machine_info = {
	357	.name = TYPE_MACHINE,
	358	.parent = TYPE_OBJECT,
	359	.abstract = true,
	360	.class_size = sizeof(MachineClass),
	361	.instance_size = sizeof(MachineState),
6b1b1440 MA	362	.instance_init = machine_initfn,
6b1b1440 MA	363	.instance_finalize = machine_finalize,
36d20cb2 MA	364	};
	365
	366	static void machine_register_types(void)
	367	{
	368	type_register_static(&machine_info);
	369	}
	370
	371	type_init(machine_register_types)