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accel: Move Xen registration code to xen-common.c 

Note that this has an user-visible side-effect: instead of reporting
"Xen is not supported for this target", QEMU binaries not supporting Xen
will report "xen accelerator does not exist".

As xen_available() always return 1 when CONFIG_XEN is enabled, we don't
need to set AccelClass.available anymore. xen_enabled() is not being
removed yet, but only because vl.c is still using it.

This also allows us to make xen_init() static.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Eduardo Habkost 2014-09-26 17:45:25 -03:00 committed by Paolo Bonzini
parent 782c3f2939
commit b152b05a35
4 changed files with 24 additions and 26 deletions
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18
accel.c
View File

@ -132,23 +132,6 @@ static const TypeInfo tcg_accel_type = {
.class_init = tcg_accel_class_init, .class_init = tcg_accel_class_init,
}; };
static void xen_accel_class_init(ObjectClass *oc, void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "Xen";
ac->available = xen_available;
ac->init = xen_init;
ac->allowed = &xen_allowed;
}
#define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen")
static const TypeInfo xen_accel_type = {
.name = TYPE_XEN_ACCEL,
.parent = TYPE_ACCEL,
.class_init = xen_accel_class_init,
};
static void qtest_accel_class_init(ObjectClass *oc, void *data) static void qtest_accel_class_init(ObjectClass *oc, void *data)
{ {
AccelClass *ac = ACCEL_CLASS(oc); AccelClass *ac = ACCEL_CLASS(oc);
@ -170,7 +153,6 @@ static void register_accel_types(void)
{ {
type_register_static(&accel_type); type_register_static(&accel_type);
type_register_static(&tcg_accel_type); type_register_static(&tcg_accel_type);
type_register_static(&xen_accel_type);
type_register_static(&qtest_accel_type); type_register_static(&qtest_accel_type);
} }

1
include/hw/xen/xen.h
View File

@ -36,7 +36,6 @@ void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
qemu_irq *xen_interrupt_controller_init(void); qemu_irq *xen_interrupt_controller_init(void);
int xen_init(MachineClass *mc);
void xenstore_store_pv_console_info(int i, struct CharDriverState *chr); void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY) #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)

6
xen-common-stub.c
View File

@ -11,9 +11,3 @@
void xenstore_store_pv_console_info(int i, CharDriverState *chr) void xenstore_store_pv_console_info(int i, CharDriverState *chr)
{ {
} }
int xen_init(MachineClass *mc)
{
return -ENOSYS;
}

25
xen-common.c
View File

@ -11,6 +11,7 @@
#include "hw/xen/xen_backend.h" #include "hw/xen/xen_backend.h"
#include "qmp-commands.h" #include "qmp-commands.h"
#include "sysemu/char.h" #include "sysemu/char.h"
#include "sysemu/accel.h"
//#define DEBUG_XEN //#define DEBUG_XEN
@ -109,7 +110,7 @@ static void xen_change_state_handler(void *opaque, int running,
} }
} }
int xen_init(MachineClass *mc) static int xen_init(MachineClass *mc)
{ {
xen_xc = xen_xc_interface_open(0, 0, 0); xen_xc = xen_xc_interface_open(0, 0, 0);
if (xen_xc == XC_HANDLER_INITIAL_VALUE) { if (xen_xc == XC_HANDLER_INITIAL_VALUE) {
@ -121,3 +122,25 @@ int xen_init(MachineClass *mc)
return 0; return 0;
} }
static void xen_accel_class_init(ObjectClass *oc, void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "Xen";
ac->init = xen_init;
ac->allowed = &xen_allowed;
}
#define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen")
static const TypeInfo xen_accel_type = {
.name = TYPE_XEN_ACCEL,
.parent = TYPE_ACCEL,
.class_init = xen_accel_class_init,
};
static void xen_type_init(void)
{
type_register_static(&xen_accel_type);
}
type_init(xen_type_init);