1577a9180f
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* Vhost-user i2c virtio device
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*
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* Copyright (c) 2021 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-i2c.h"
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#include "qemu/error-report.h"
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#include "standard-headers/linux/virtio_ids.h"
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static const Property vi2c_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 vi2c_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 I2C */
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vub->virtio_id = VIRTIO_ID_I2C_ADAPTER;
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vub->num_vqs = 1;
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vub->vq_size = 4;
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vubc->parent_realize(dev, errp);
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}
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static const VMStateDescription vu_i2c_vmstate = {
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.name = "vhost-user-i2c",
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.unmigratable = 1,
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};
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static void vu_i2c_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_i2c_vmstate;
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device_class_set_props(dc, vi2c_properties);
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device_class_set_parent_realize(dc, vi2c_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_i2c_info = {
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.name = TYPE_VHOST_USER_I2C,
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.parent = TYPE_VHOST_USER_BASE,
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.instance_size = sizeof(VHostUserI2C),
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.class_init = vu_i2c_class_init,
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};
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static void vu_i2c_register_types(void)
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{
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type_register_static(&vu_i2c_info);
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}
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type_init(vu_i2c_register_types)
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