mirror of
https://github.com/qemu/qemu.git
synced 2024-12-15 07:23:52 +08:00
25c60a4612
This allows is to instantiate a vhost-user-gpio device as part of a PCI bus. It is mostly boilerplate which looks pretty similar to the vhost-user-fs-pci device. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <5f560cab92d0d789b1c94295ec74b9952907d69d.1641987128.git.viresh.kumar@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-14-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
|
|
* Vhost-user gpio virtio device PCI glue
|
|
*
|
|
* Copyright (c) 2022 Viresh Kumar <viresh.kumar@linaro.org>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "hw/qdev-properties.h"
|
|
#include "hw/virtio/vhost-user-gpio.h"
|
|
#include "hw/virtio/virtio-pci.h"
|
|
|
|
struct VHostUserGPIOPCI {
|
|
VirtIOPCIProxy parent_obj;
|
|
VHostUserGPIO vdev;
|
|
};
|
|
|
|
typedef struct VHostUserGPIOPCI VHostUserGPIOPCI;
|
|
|
|
#define TYPE_VHOST_USER_GPIO_PCI "vhost-user-gpio-pci-base"
|
|
|
|
DECLARE_INSTANCE_CHECKER(VHostUserGPIOPCI, VHOST_USER_GPIO_PCI,
|
|
TYPE_VHOST_USER_GPIO_PCI)
|
|
|
|
static void vhost_user_gpio_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
|
|
{
|
|
VHostUserGPIOPCI *dev = VHOST_USER_GPIO_PCI(vpci_dev);
|
|
DeviceState *vdev = DEVICE(&dev->vdev);
|
|
|
|
vpci_dev->nvectors = 1;
|
|
qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
|
|
}
|
|
|
|
static void vhost_user_gpio_pci_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
|
|
PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
|
|
k->realize = vhost_user_gpio_pci_realize;
|
|
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
|
|
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
|
|
pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
|
|
pcidev_k->revision = 0x00;
|
|
pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
|
|
}
|
|
|
|
static void vhost_user_gpio_pci_instance_init(Object *obj)
|
|
{
|
|
VHostUserGPIOPCI *dev = VHOST_USER_GPIO_PCI(obj);
|
|
|
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
TYPE_VHOST_USER_GPIO);
|
|
}
|
|
|
|
static const VirtioPCIDeviceTypeInfo vhost_user_gpio_pci_info = {
|
|
.base_name = TYPE_VHOST_USER_GPIO_PCI,
|
|
.non_transitional_name = "vhost-user-gpio-pci",
|
|
.instance_size = sizeof(VHostUserGPIOPCI),
|
|
.instance_init = vhost_user_gpio_pci_instance_init,
|
|
.class_init = vhost_user_gpio_pci_class_init,
|
|
};
|
|
|
|
static void vhost_user_gpio_pci_register(void)
|
|
{
|
|
virtio_pci_types_register(&vhost_user_gpio_pci_info);
|
|
}
|
|
|
|
type_init(vhost_user_gpio_pci_register);
|