qemu/hw/i386/xen/xen_apic.c
Markus Armbruster 0b8fa32f55 Include qemu/module.h where needed, drop it from qemu-common.h
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-4-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c
hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c;
ui/cocoa.m fixed up]
2019-06-12 13:18:33 +02:00

104 lines
2.3 KiB
C

/*
* Xen basic APIC support
*
* Copyright (c) 2012 Citrix
*
* Authors:
* Wei Liu <wei.liu2@citrix.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/i386/apic_internal.h"
#include "hw/pci/msi.h"
#include "hw/xen/xen.h"
#include "qemu/module.h"
static uint64_t xen_apic_mem_read(void *opaque, hwaddr addr,
unsigned size)
{
return ~(uint64_t)0;
}
static void xen_apic_mem_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
if (size != sizeof(uint32_t)) {
fprintf(stderr, "Xen: APIC write data size = %d, invalid\n", size);
return;
}
xen_hvm_inject_msi(addr, data);
}
static const MemoryRegionOps xen_apic_io_ops = {
.read = xen_apic_mem_read,
.write = xen_apic_mem_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void xen_apic_realize(DeviceState *dev, Error **errp)
{
APICCommonState *s = APIC_COMMON(dev);
s->vapic_control = 0;
memory_region_init_io(&s->io_memory, OBJECT(s), &xen_apic_io_ops, s,
"xen-apic-msi", APIC_SPACE_SIZE);
msi_nonbroken = true;
}
static void xen_apic_set_base(APICCommonState *s, uint64_t val)
{
}
static void xen_apic_set_tpr(APICCommonState *s, uint8_t val)
{
}
static uint8_t xen_apic_get_tpr(APICCommonState *s)
{
return 0;
}
static void xen_apic_vapic_base_update(APICCommonState *s)
{
}
static void xen_apic_external_nmi(APICCommonState *s)
{
}
static void xen_send_msi(MSIMessage *msi)
{
xen_hvm_inject_msi(msi->address, msi->data);
}
static void xen_apic_class_init(ObjectClass *klass, void *data)
{
APICCommonClass *k = APIC_COMMON_CLASS(klass);
k->realize = xen_apic_realize;
k->set_base = xen_apic_set_base;
k->set_tpr = xen_apic_set_tpr;
k->get_tpr = xen_apic_get_tpr;
k->vapic_base_update = xen_apic_vapic_base_update;
k->external_nmi = xen_apic_external_nmi;
k->send_msi = xen_send_msi;
}
static const TypeInfo xen_apic_info = {
.name = "xen-apic",
.parent = TYPE_APIC_COMMON,
.instance_size = sizeof(APICCommonState),
.class_init = xen_apic_class_init,
};
static void xen_apic_register_types(void)
{
type_register_static(&xen_apic_info);
}
type_init(xen_apic_register_types)