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271c865161
virtio-input is basically evdev-events-over-virtio, so this driver isn't much more than reading configuration from config space and forwarding incoming events to the linux input layer. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
#ifndef _LINUX_VIRTIO_INPUT_H
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#define _LINUX_VIRTIO_INPUT_H
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/* This header is BSD licensed so anyone can use the definitions to implement
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* compatible drivers/servers.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of IBM nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IBM OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE. */
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#include <linux/types.h>
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enum virtio_input_config_select {
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VIRTIO_INPUT_CFG_UNSET = 0x00,
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VIRTIO_INPUT_CFG_ID_NAME = 0x01,
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VIRTIO_INPUT_CFG_ID_SERIAL = 0x02,
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VIRTIO_INPUT_CFG_ID_DEVIDS = 0x03,
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VIRTIO_INPUT_CFG_PROP_BITS = 0x10,
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VIRTIO_INPUT_CFG_EV_BITS = 0x11,
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VIRTIO_INPUT_CFG_ABS_INFO = 0x12,
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};
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struct virtio_input_absinfo {
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__u32 min;
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__u32 max;
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__u32 fuzz;
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__u32 flat;
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__u32 res;
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};
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struct virtio_input_devids {
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__u16 bustype;
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__u16 vendor;
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__u16 product;
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__u16 version;
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};
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struct virtio_input_config {
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__u8 select;
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__u8 subsel;
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__u8 size;
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__u8 reserved[5];
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union {
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char string[128];
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__u8 bitmap[128];
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struct virtio_input_absinfo abs;
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struct virtio_input_devids ids;
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} u;
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};
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struct virtio_input_event {
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__le16 type;
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__le16 code;
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__le32 value;
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};
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#endif /* _LINUX_VIRTIO_INPUT_H */
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