Commit 271c8651 authored by Gerd Hoffmann's avatar Gerd Hoffmann Committed by Rusty Russell

Add virtio-input driver.

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: default avatarGerd Hoffmann <kraxel@redhat.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 2f921b5b
...@@ -10435,6 +10435,12 @@ S: Maintained ...@@ -10435,6 +10435,12 @@ S: Maintained
F: drivers/vhost/ F: drivers/vhost/
F: include/uapi/linux/vhost.h F: include/uapi/linux/vhost.h
VIRTIO INPUT DRIVER
M: Gerd Hoffmann <kraxel@redhat.com>
S: Maintained
F: drivers/virtio/virtio_input.c
F: include/uapi/linux/virtio_input.h
VIA RHINE NETWORK DRIVER VIA RHINE NETWORK DRIVER
M: Roger Luethi <rl@hellgate.ch> M: Roger Luethi <rl@hellgate.ch>
S: Maintained S: Maintained
......
...@@ -48,6 +48,16 @@ config VIRTIO_BALLOON ...@@ -48,6 +48,16 @@ config VIRTIO_BALLOON
If unsure, say M. If unsure, say M.
config VIRTIO_INPUT
tristate "Virtio input driver"
depends on VIRTIO
depends on INPUT
---help---
This driver supports virtio input devices such as
keyboards, mice and tablets.
If unsure, say M.
config VIRTIO_MMIO config VIRTIO_MMIO
tristate "Platform bus driver for memory mapped virtio devices" tristate "Platform bus driver for memory mapped virtio devices"
depends on HAS_IOMEM depends on HAS_IOMEM
......
...@@ -4,3 +4,4 @@ obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o ...@@ -4,3 +4,4 @@ obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o
virtio_pci-y := virtio_pci_modern.o virtio_pci_common.o virtio_pci-y := virtio_pci_modern.o virtio_pci_common.o
virtio_pci-$(CONFIG_VIRTIO_PCI_LEGACY) += virtio_pci_legacy.o virtio_pci-$(CONFIG_VIRTIO_PCI_LEGACY) += virtio_pci_legacy.o
obj-$(CONFIG_VIRTIO_BALLOON) += virtio_balloon.o obj-$(CONFIG_VIRTIO_BALLOON) += virtio_balloon.o
obj-$(CONFIG_VIRTIO_INPUT) += virtio_input.o
This diff is collapsed.
...@@ -430,6 +430,7 @@ header-y += virtio_blk.h ...@@ -430,6 +430,7 @@ header-y += virtio_blk.h
header-y += virtio_config.h header-y += virtio_config.h
header-y += virtio_console.h header-y += virtio_console.h
header-y += virtio_ids.h header-y += virtio_ids.h
header-y += virtio_input.h
header-y += virtio_net.h header-y += virtio_net.h
header-y += virtio_pci.h header-y += virtio_pci.h
header-y += virtio_ring.h header-y += virtio_ring.h
......
...@@ -39,5 +39,6 @@ ...@@ -39,5 +39,6 @@
#define VIRTIO_ID_9P 9 /* 9p virtio console */ #define VIRTIO_ID_9P 9 /* 9p virtio console */
#define VIRTIO_ID_RPROC_SERIAL 11 /* virtio remoteproc serial link */ #define VIRTIO_ID_RPROC_SERIAL 11 /* virtio remoteproc serial link */
#define VIRTIO_ID_CAIF 12 /* Virtio caif */ #define VIRTIO_ID_CAIF 12 /* Virtio caif */
#define VIRTIO_ID_INPUT 18 /* virtio input */
#endif /* _LINUX_VIRTIO_IDS_H */ #endif /* _LINUX_VIRTIO_IDS_H */
#ifndef _LINUX_VIRTIO_INPUT_H
#define _LINUX_VIRTIO_INPUT_H
/* This header is BSD licensed so anyone can use the definitions to implement
* compatible drivers/servers.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of IBM nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IBM OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. */
#include <linux/types.h>
enum virtio_input_config_select {
VIRTIO_INPUT_CFG_UNSET = 0x00,
VIRTIO_INPUT_CFG_ID_NAME = 0x01,
VIRTIO_INPUT_CFG_ID_SERIAL = 0x02,
VIRTIO_INPUT_CFG_ID_DEVIDS = 0x03,
VIRTIO_INPUT_CFG_PROP_BITS = 0x10,
VIRTIO_INPUT_CFG_EV_BITS = 0x11,
VIRTIO_INPUT_CFG_ABS_INFO = 0x12,
};
struct virtio_input_absinfo {
__u32 min;
__u32 max;
__u32 fuzz;
__u32 flat;
__u32 res;
};
struct virtio_input_devids {
__u16 bustype;
__u16 vendor;
__u16 product;
__u16 version;
};
struct virtio_input_config {
__u8 select;
__u8 subsel;
__u8 size;
__u8 reserved[5];
union {
char string[128];
__u8 bitmap[128];
struct virtio_input_absinfo abs;
struct virtio_input_devids ids;
} u;
};
struct virtio_input_event {
__le16 type;
__le16 code;
__le32 value;
};
#endif /* _LINUX_VIRTIO_INPUT_H */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment