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5ba587580d
Now the new base class supports config handling we can take advantage and make vhost-user-gpio a much simpler boilerplate wrapper. Also as this doesn't require any target specific hacks we only need to build the stubs once. Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240104210945.1223134-5-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* Vhost-user GPIO virtio device
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*
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* Copyright (c) 2022 Viresh Kumar <viresh.kumar@linaro.org>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/qdev-properties.h"
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#include "hw/virtio/virtio-bus.h"
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#include "hw/virtio/vhost-user-gpio.h"
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#include "standard-headers/linux/virtio_ids.h"
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#include "standard-headers/linux/virtio_gpio.h"
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static Property vgpio_properties[] = {
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DEFINE_PROP_CHR("chardev", VHostUserBase, chardev),
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DEFINE_PROP_END_OF_LIST(),
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};
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static void vgpio_realize(DeviceState *dev, Error **errp)
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{
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VHostUserBase *vub = VHOST_USER_BASE(dev);
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VHostUserBaseClass *vubc = VHOST_USER_BASE_GET_CLASS(dev);
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/* Fixed for GPIO */
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vub->virtio_id = VIRTIO_ID_GPIO;
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vub->num_vqs = 2;
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vub->config_size = sizeof(struct virtio_gpio_config);
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vubc->parent_realize(dev, errp);
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}
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static const VMStateDescription vu_gpio_vmstate = {
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.name = "vhost-user-gpio",
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.unmigratable = 1,
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};
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static void vu_gpio_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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VHostUserBaseClass *vubc = VHOST_USER_BASE_CLASS(klass);
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dc->vmsd = &vu_gpio_vmstate;
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device_class_set_props(dc, vgpio_properties);
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device_class_set_parent_realize(dc, vgpio_realize,
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&vubc->parent_realize);
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set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
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}
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static const TypeInfo vu_gpio_info = {
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.name = TYPE_VHOST_USER_GPIO,
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.parent = TYPE_VHOST_USER_BASE,
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.instance_size = sizeof(VHostUserGPIO),
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.class_init = vu_gpio_class_init,
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};
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static void vu_gpio_register_types(void)
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{
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type_register_static(&vu_gpio_info);
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}
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type_init(vu_gpio_register_types)
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