qemu-e2k/hw/char/serial-pci.c
Eduardo Habkost 8110fa1d94 Use DECLARE_*CHECKER* macros
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:27:09 -04:00

132 lines
4.1 KiB
C

/*
* QEMU 16550A UART emulation
*
* Copyright (c) 2003-2004 Fabrice Bellard
* Copyright (c) 2008 Citrix Systems, Inc.
*
* 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.
*/
/* see docs/specs/pci-serial.txt */
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "hw/char/serial.h"
#include "hw/irq.h"
#include "hw/pci/pci.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "qom/object.h"
struct PCISerialState {
PCIDevice dev;
SerialState state;
uint8_t prog_if;
};
typedef struct PCISerialState PCISerialState;
#define TYPE_PCI_SERIAL "pci-serial"
DECLARE_INSTANCE_CHECKER(PCISerialState, PCI_SERIAL,
TYPE_PCI_SERIAL)
static void serial_pci_realize(PCIDevice *dev, Error **errp)
{
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
SerialState *s = &pci->state;
if (!qdev_realize(DEVICE(s), NULL, errp)) {
return;
}
pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
s->irq = pci_allocate_irq(&pci->dev);
memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
}
static void serial_pci_exit(PCIDevice *dev)
{
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
SerialState *s = &pci->state;
qdev_unrealize(DEVICE(s));
qemu_free_irq(s->irq);
}
static const VMStateDescription vmstate_pci_serial = {
.name = "pci-serial",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_PCI_DEVICE(dev, PCISerialState),
VMSTATE_STRUCT(state, PCISerialState, 0, vmstate_serial, SerialState),
VMSTATE_END_OF_LIST()
}
};
static Property serial_pci_properties[] = {
DEFINE_PROP_CHR("chardev", PCISerialState, state.chr),
DEFINE_PROP_UINT8("prog_if", PCISerialState, prog_if, 0x02),
DEFINE_PROP_END_OF_LIST(),
};
static void serial_pci_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
pc->realize = serial_pci_realize;
pc->exit = serial_pci_exit;
pc->vendor_id = PCI_VENDOR_ID_REDHAT;
pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL;
pc->revision = 1;
pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
dc->vmsd = &vmstate_pci_serial;
device_class_set_props(dc, serial_pci_properties);
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}
static void serial_pci_init(Object *o)
{
PCISerialState *ps = PCI_SERIAL(o);
object_initialize_child(o, "serial", &ps->state, TYPE_SERIAL);
}
static const TypeInfo serial_pci_info = {
.name = TYPE_PCI_SERIAL,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCISerialState),
.instance_init = serial_pci_init,
.class_init = serial_pci_class_initfn,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void serial_pci_register_types(void)
{
type_register_static(&serial_pci_info);
}
type_init(serial_pci_register_types)