qemu/hw/net/ne2000-pci.c
Richard Henderson 1de81b426c hw/net: Constify VMState
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-42-richard.henderson@linaro.org>
2023-12-30 07:38:06 +11:00

138 lines
4.3 KiB
C

/*
* QEMU NE2000 emulation (PCI bus)
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "hw/irq.h"
#include "hw/pci/pci_device.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "ne2000.h"
#include "sysemu/sysemu.h"
typedef struct PCINE2000State {
PCIDevice dev;
NE2000State ne2000;
} PCINE2000State;
static const VMStateDescription vmstate_pci_ne2000 = {
.name = "ne2000",
.version_id = 3,
.minimum_version_id = 3,
.fields = (const VMStateField[]) {
VMSTATE_PCI_DEVICE(dev, PCINE2000State),
VMSTATE_STRUCT(ne2000, PCINE2000State, 0, vmstate_ne2000, NE2000State),
VMSTATE_END_OF_LIST()
}
};
static NetClientInfo net_ne2000_info = {
.type = NET_CLIENT_DRIVER_NIC,
.size = sizeof(NICState),
.receive = ne2000_receive,
};
static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp)
{
PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s;
uint8_t *pci_conf;
pci_conf = d->dev.config;
pci_conf[PCI_INTERRUPT_PIN] = 1; /* interrupt pin A */
s = &d->ne2000;
ne2000_setup_io(s, DEVICE(pci_dev), 0x100);
pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
s->irq = pci_allocate_irq(&d->dev);
qemu_macaddr_default_if_unset(&s->c.macaddr);
ne2000_reset(s);
s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
object_get_typename(OBJECT(pci_dev)),
pci_dev->qdev.id,
&pci_dev->qdev.mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
}
static void pci_ne2000_exit(PCIDevice *pci_dev)
{
PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s = &d->ne2000;
qemu_del_nic(s->nic);
qemu_free_irq(s->irq);
}
static void ne2000_instance_init(Object *obj)
{
PCIDevice *pci_dev = PCI_DEVICE(obj);
PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s = &d->ne2000;
device_add_bootindex_property(obj, &s->c.bootindex,
"bootindex", "/ethernet-phy@0",
&pci_dev->qdev);
}
static Property ne2000_properties[] = {
DEFINE_NIC_PROPERTIES(PCINE2000State, ne2000.c),
DEFINE_PROP_END_OF_LIST(),
};
static void ne2000_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->realize = pci_ne2000_realize;
k->exit = pci_ne2000_exit;
k->romfile = "efi-ne2k_pci.rom",
k->vendor_id = PCI_VENDOR_ID_REALTEK;
k->device_id = PCI_DEVICE_ID_REALTEK_8029;
k->class_id = PCI_CLASS_NETWORK_ETHERNET;
dc->vmsd = &vmstate_pci_ne2000;
device_class_set_props(dc, ne2000_properties);
set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
}
static const TypeInfo ne2000_info = {
.name = "ne2k_pci",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCINE2000State),
.class_init = ne2000_class_init,
.instance_init = ne2000_instance_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void ne2000_register_types(void)
{
type_register_static(&ne2000_info);
}
type_init(ne2000_register_types)