f2d672c248
All callbacks FOO_query_hotpluggable_cpus() are practically the same except of setting vcpus_count to different values. Convert them to a generic machine_query_hotpluggable_cpus() callback by moving vcpus_count initialization to per machine specific callback possible_cpu_arch_ids(). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
625 lines
17 KiB
C
625 lines
17 KiB
C
/*
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* QEMU Machine
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*
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* Copyright (C) 2014 Red Hat Inc
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*
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* Authors:
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* Marcel Apfelbaum <marcel.a@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "hw/boards.h"
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#include "qapi/error.h"
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#include "qapi-visit.h"
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#include "qapi/visitor.h"
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#include "hw/sysbus.h"
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#include "sysemu/sysemu.h"
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#include "qemu/error-report.h"
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#include "qemu/cutils.h"
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static char *machine_get_accel(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->accel);
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}
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static void machine_set_accel(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->accel);
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ms->accel = g_strdup(value);
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}
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static void machine_set_kernel_irqchip(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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Error *err = NULL;
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MachineState *ms = MACHINE(obj);
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OnOffSplit mode;
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visit_type_OnOffSplit(v, name, &mode, &err);
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if (err) {
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error_propagate(errp, err);
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return;
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} else {
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switch (mode) {
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case ON_OFF_SPLIT_ON:
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ms->kernel_irqchip_allowed = true;
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ms->kernel_irqchip_required = true;
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ms->kernel_irqchip_split = false;
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break;
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case ON_OFF_SPLIT_OFF:
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ms->kernel_irqchip_allowed = false;
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ms->kernel_irqchip_required = false;
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ms->kernel_irqchip_split = false;
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break;
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case ON_OFF_SPLIT_SPLIT:
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ms->kernel_irqchip_allowed = true;
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ms->kernel_irqchip_required = true;
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ms->kernel_irqchip_split = true;
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break;
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default:
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/* The value was checked in visit_type_OnOffSplit() above. If
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* we get here, then something is wrong in QEMU.
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*/
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abort();
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}
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}
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}
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static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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int64_t value = ms->kvm_shadow_mem;
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visit_type_int(v, name, &value, errp);
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}
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static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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Error *error = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &error);
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if (error) {
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error_propagate(errp, error);
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return;
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}
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ms->kvm_shadow_mem = value;
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}
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static char *machine_get_kernel(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->kernel_filename);
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}
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static void machine_set_kernel(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->kernel_filename);
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ms->kernel_filename = g_strdup(value);
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}
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static char *machine_get_initrd(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->initrd_filename);
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}
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static void machine_set_initrd(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->initrd_filename);
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ms->initrd_filename = g_strdup(value);
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}
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static char *machine_get_append(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->kernel_cmdline);
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}
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static void machine_set_append(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->kernel_cmdline);
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ms->kernel_cmdline = g_strdup(value);
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}
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static char *machine_get_dtb(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dtb);
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}
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static void machine_set_dtb(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dtb);
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ms->dtb = g_strdup(value);
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}
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static char *machine_get_dumpdtb(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dumpdtb);
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}
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static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dumpdtb);
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ms->dumpdtb = g_strdup(value);
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}
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static void machine_get_phandle_start(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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int64_t value = ms->phandle_start;
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visit_type_int(v, name, &value, errp);
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}
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static void machine_set_phandle_start(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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Error *error = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &error);
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if (error) {
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error_propagate(errp, error);
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return;
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}
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ms->phandle_start = value;
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}
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static char *machine_get_dt_compatible(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dt_compatible);
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}
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static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dt_compatible);
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ms->dt_compatible = g_strdup(value);
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}
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static bool machine_get_dump_guest_core(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->dump_guest_core;
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}
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static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->dump_guest_core = value;
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}
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static bool machine_get_mem_merge(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->mem_merge;
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}
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static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->mem_merge = value;
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}
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static bool machine_get_usb(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->usb;
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}
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static void machine_set_usb(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->usb = value;
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ms->usb_disabled = !value;
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}
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static bool machine_get_graphics(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->enable_graphics;
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}
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static void machine_set_graphics(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->enable_graphics = value;
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}
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static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->igd_gfx_passthru;
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}
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static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->igd_gfx_passthru = value;
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}
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static char *machine_get_firmware(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->firmware);
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}
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static void machine_set_firmware(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->firmware);
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ms->firmware = g_strdup(value);
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}
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static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->suppress_vmdesc = value;
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}
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static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->suppress_vmdesc;
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}
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static void machine_set_enforce_config_section(Object *obj, bool value,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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ms->enforce_config_section = value;
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}
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static bool machine_get_enforce_config_section(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return ms->enforce_config_section;
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}
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static void error_on_sysbus_device(SysBusDevice *sbdev, void *opaque)
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{
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error_report("Option '-device %s' cannot be handled by this machine",
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object_class_get_name(object_get_class(OBJECT(sbdev))));
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exit(1);
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}
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static void machine_init_notify(Notifier *notifier, void *data)
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{
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Object *machine = qdev_get_machine();
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ObjectClass *oc = object_get_class(machine);
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MachineClass *mc = MACHINE_CLASS(oc);
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if (mc->has_dynamic_sysbus) {
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/* Our machine can handle dynamic sysbus devices, we're all good */
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return;
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}
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/*
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* Loop through all dynamically created devices and check whether there
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* are sysbus devices among them. If there are, error out.
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*/
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foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
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}
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HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
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{
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int i;
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Object *cpu;
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HotpluggableCPUList *head = NULL;
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const char *cpu_type;
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cpu = machine->possible_cpus->cpus[0].cpu;
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assert(cpu); /* Boot cpu is always present */
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cpu_type = object_get_typename(cpu);
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for (i = 0; i < machine->possible_cpus->len; i++) {
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HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
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HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
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cpu_item->type = g_strdup(cpu_type);
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cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
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cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
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sizeof(*cpu_item->props));
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cpu = machine->possible_cpus->cpus[i].cpu;
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if (cpu) {
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cpu_item->has_qom_path = true;
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cpu_item->qom_path = object_get_canonical_path(cpu);
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}
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list_item->value = cpu_item;
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list_item->next = head;
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head = list_item;
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}
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return head;
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}
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static void machine_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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/* Default 128 MB as guest ram size */
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mc->default_ram_size = 128 * M_BYTE;
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mc->rom_file_has_mr = true;
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object_class_property_add_str(oc, "accel",
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machine_get_accel, machine_set_accel, &error_abort);
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object_class_property_set_description(oc, "accel",
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"Accelerator list", &error_abort);
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object_class_property_add(oc, "kernel-irqchip", "OnOffSplit",
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NULL, machine_set_kernel_irqchip,
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NULL, NULL, &error_abort);
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object_class_property_set_description(oc, "kernel-irqchip",
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"Configure KVM in-kernel irqchip", &error_abort);
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object_class_property_add(oc, "kvm-shadow-mem", "int",
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machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
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NULL, NULL, &error_abort);
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object_class_property_set_description(oc, "kvm-shadow-mem",
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"KVM shadow MMU size", &error_abort);
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object_class_property_add_str(oc, "kernel",
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machine_get_kernel, machine_set_kernel, &error_abort);
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object_class_property_set_description(oc, "kernel",
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"Linux kernel image file", &error_abort);
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object_class_property_add_str(oc, "initrd",
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machine_get_initrd, machine_set_initrd, &error_abort);
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object_class_property_set_description(oc, "initrd",
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"Linux initial ramdisk file", &error_abort);
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object_class_property_add_str(oc, "append",
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machine_get_append, machine_set_append, &error_abort);
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object_class_property_set_description(oc, "append",
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"Linux kernel command line", &error_abort);
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object_class_property_add_str(oc, "dtb",
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machine_get_dtb, machine_set_dtb, &error_abort);
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object_class_property_set_description(oc, "dtb",
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"Linux kernel device tree file", &error_abort);
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object_class_property_add_str(oc, "dumpdtb",
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machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
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object_class_property_set_description(oc, "dumpdtb",
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"Dump current dtb to a file and quit", &error_abort);
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object_class_property_add(oc, "phandle-start", "int",
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machine_get_phandle_start, machine_set_phandle_start,
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NULL, NULL, &error_abort);
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object_class_property_set_description(oc, "phandle-start",
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"The first phandle ID we may generate dynamically", &error_abort);
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object_class_property_add_str(oc, "dt-compatible",
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machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
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object_class_property_set_description(oc, "dt-compatible",
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"Overrides the \"compatible\" property of the dt root node",
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&error_abort);
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object_class_property_add_bool(oc, "dump-guest-core",
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machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
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object_class_property_set_description(oc, "dump-guest-core",
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"Include guest memory in a core dump", &error_abort);
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object_class_property_add_bool(oc, "mem-merge",
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machine_get_mem_merge, machine_set_mem_merge, &error_abort);
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object_class_property_set_description(oc, "mem-merge",
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"Enable/disable memory merge support", &error_abort);
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object_class_property_add_bool(oc, "usb",
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machine_get_usb, machine_set_usb, &error_abort);
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object_class_property_set_description(oc, "usb",
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"Set on/off to enable/disable usb", &error_abort);
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object_class_property_add_bool(oc, "graphics",
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machine_get_graphics, machine_set_graphics, &error_abort);
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object_class_property_set_description(oc, "graphics",
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"Set on/off to enable/disable graphics emulation", &error_abort);
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object_class_property_add_bool(oc, "igd-passthru",
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machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
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&error_abort);
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object_class_property_set_description(oc, "igd-passthru",
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"Set on/off to enable/disable igd passthrou", &error_abort);
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object_class_property_add_str(oc, "firmware",
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machine_get_firmware, machine_set_firmware,
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&error_abort);
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object_class_property_set_description(oc, "firmware",
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"Firmware image", &error_abort);
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object_class_property_add_bool(oc, "suppress-vmdesc",
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machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
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&error_abort);
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object_class_property_set_description(oc, "suppress-vmdesc",
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"Set on to disable self-describing migration", &error_abort);
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object_class_property_add_bool(oc, "enforce-config-section",
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machine_get_enforce_config_section, machine_set_enforce_config_section,
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&error_abort);
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object_class_property_set_description(oc, "enforce-config-section",
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"Set on to enforce configuration section migration", &error_abort);
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}
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static void machine_class_base_init(ObjectClass *oc, void *data)
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{
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if (!object_class_is_abstract(oc)) {
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MachineClass *mc = MACHINE_CLASS(oc);
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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)
|