9c4d05b741
Add a new virtio-input device, which connects to a vhost-user
backend.
Instead of reading configuration directly from an input device /
evdev (like virtio-input-host), it reads it over vhost-user protocol
with {SET,GET}_CONFIG messages. The vhost-user-backend handles the
queues & events setup.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190503130034.24916-5-marcandre.lureau@redhat.com
[ kraxel: drop -{non-,}transitional variants ]
[ kraxel: fix "make check" on !linux ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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* This work is licensed under the terms of the GNU LGPL, version 2 or
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* later. See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "hw/virtio/virtio.h"
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#include "hw/virtio/virtio-input.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "virtio-pci.h"
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typedef struct VHostUserInputPCI VHostUserInputPCI;
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#define TYPE_VHOST_USER_INPUT_PCI "vhost-user-input-pci"
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#define VHOST_USER_INPUT_PCI(obj) \
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OBJECT_CHECK(VHostUserInputPCI, (obj), TYPE_VHOST_USER_INPUT_PCI)
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struct VHostUserInputPCI {
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VirtIOPCIProxy parent_obj;
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VHostUserInput vhi;
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};
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static void vhost_user_input_pci_instance_init(Object *obj)
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{
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VHostUserInputPCI *dev = VHOST_USER_INPUT_PCI(obj);
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virtio_instance_init_common(obj, &dev->vhi, sizeof(dev->vhi),
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TYPE_VHOST_USER_INPUT);
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object_property_add_alias(obj, "chardev",
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OBJECT(&dev->vhi), "chardev",
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&error_abort);
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}
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static const VirtioPCIDeviceTypeInfo vhost_user_input_pci_info = {
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.generic_name = TYPE_VHOST_USER_INPUT_PCI,
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.parent = TYPE_VIRTIO_INPUT_PCI,
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.instance_size = sizeof(VHostUserInputPCI),
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.instance_init = vhost_user_input_pci_instance_init,
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};
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static void vhost_user_input_pci_register(void)
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{
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virtio_pci_types_register(&vhost_user_input_pci_info);
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}
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type_init(vhost_user_input_pci_register)
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