search for: input_ev

...virtio_device *vdev; > > + struct input_dev *idev; > > + char name[64]; > > + char serial[64]; > > + char phys[64]; > > + struct virtqueue *evt, *sts; > > + struct virtio_input_event evts[64]; > > + spinlock_t lock; > > +}; > > + > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > + struct virtio_input_event *evtbuf) > > +{ > > + struct scatterlist sg[1]; > > + > > + sg_init_one(sg,...

...virtio_device *vdev; > > + struct input_dev *idev; > > + char name[64]; > > + char serial[64]; > > + char phys[64]; > > + struct virtqueue *evt, *sts; > > + struct virtio_input_event evts[64]; > > + spinlock_t lock; > > +}; > > + > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > + struct virtio_input_event *evtbuf) > > +{ > > + struct scatterlist sg[1]; > > + > > + sg_init_one(sg,...

Hi, > > + spin_lock_irqsave(&vi->lock, flags); > > + while ((event = virtqueue_get_buf(vi->evt, &len)) != NULL) { > > + input_event(vi->idev, > > + le16_to_cpu(event->type), > > + le16_to_cpu(event->code), > > + le32_to_cpu(event->value)); > > What happens if input layer gets an > unexpected event code or value? input layer checks it and ignores events not supported...

Hi, > > + spin_lock_irqsave(&vi->lock, flags); > > + while ((event = virtqueue_get_buf(vi->evt, &len)) != NULL) { > > + input_event(vi->idev, > > + le16_to_cpu(event->type), > > + le16_to_cpu(event->code), > > + le32_to_cpu(event->value)); > > What happens if input layer gets an > unexpected event code or value? input layer checks it and ignores events not supported...

...t; > > + struct input_dev *idev; > > > + char name[64]; > > > + char serial[64]; > > > + char phys[64]; > > > + struct virtqueue *evt, *sts; > > > + struct virtio_input_event evts[64]; > > > + spinlock_t lock; > > > +}; > > > + > > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > > + struct virtio_input_event *evtbuf) > > > +{ > > > + struct scatterlist sg[1]; >...

...t; > > + struct input_dev *idev; > > > + char name[64]; > > > + char serial[64]; > > > + char phys[64]; > > > + struct virtqueue *evt, *sts; > > > + struct virtio_input_event evts[64]; > > > + spinlock_t lock; > > > +}; > > > + > > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > > + struct virtio_input_event *evtbuf) > > > +{ > > > + struct scatterlist sg[1]; >...

...o_device *vdev; > + struct input_dev *idev; > + char name[64]; > + char serial[64]; > + char phys[64]; > + struct virtqueue *evt, *sts; > + struct virtio_input_event evts[64]; > +}; > + > +static ssize_t serial_show(struct device *dev, > + struct device_attribute *attr, char *buf) > +{ > + struct input_dev *idev = to_input_dev(dev); > + struct virtio_input *vi = input_get_drvdata(idev); > +...

...o_device *vdev; > + struct input_dev *idev; > + char name[64]; > + char serial[64]; > + char phys[64]; > + struct virtqueue *evt, *sts; > + struct virtio_input_event evts[64]; > +}; > + > +static ssize_t serial_show(struct device *dev, > + struct device_attribute *attr, char *buf) > +{ > + struct input_dev *idev = to_input_dev(dev); > + struct virtio_input *vi = input_get_drvdata(idev); > +...

...ut_dev *idev; > > > > + char name[64]; > > > > + char serial[64]; > > > > + char phys[64]; > > > > + struct virtqueue *evt, *sts; > > > > + struct virtio_input_event evts[64]; > > > > + spinlock_t lock; > > > > +}; > > > > + > > > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > > > + struct virtio_input_event *evtbuf) > > > > +{ > > > &g...

...ut_dev *idev; > > > > + char name[64]; > > > > + char serial[64]; > > > > + char phys[64]; > > > > + struct virtqueue *evt, *sts; > > > > + struct virtio_input_event evts[64]; > > > > + spinlock_t lock; > > > > +}; > > > > + > > > > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > > > > + struct virtio_input_event *evtbuf) > > > > +{ > > > &g...

...i/linux/virtio_input.h> + +struct virtio_input { + struct virtio_device *vdev; + struct input_dev *idev; + char name[64]; + char serial[64]; + char phys[64]; + struct virtqueue *evt, *sts; + struct virtio_input_event evts[64]; + spinlock_t lock; +}; + +static void virtinput_queue_evtbuf(struct virtio_input *vi, + struct virtio_input_event *evtbuf) +{ + struct scatterlist sg[1]; + + sg_init_one(sg, evtbuf, sizeof(*evtbuf)); + virtqueue_add_inbuf(vi->evt, sg, 1, evtbuf, GFP_ATOMIC); +...

...i/linux/virtio_input.h> + +struct virtio_input { + struct virtio_device *vdev; + struct input_dev *idev; + char name[64]; + char serial[64]; + char phys[64]; + struct virtqueue *evt, *sts; + struct virtio_input_event evts[64]; + spinlock_t lock; +}; + +static void virtinput_queue_evtbuf(struct virtio_input *vi, + struct virtio_input_event *evtbuf) +{ + struct scatterlist sg[1]; + + sg_init_one(sg, evtbuf, sizeof(*evtbuf)); + virtqueue_add_inbuf(vi->evt, sg, 1, evtbuf, GFP_ATOMIC); +...

...; + struct input_dev *idev; > > + char name[64]; > > + char serial[64]; > > + char phys[64]; > > + struct virtqueue *evt, *sts; > > + struct virtio_input_event evts[64]; > > +}; > > + > > +static ssize_t serial_show(struct device *dev, > > + struct device_attribute *attr, char *buf) > > +{ > > + struct input_dev *idev = to_input_dev(dev); > > + struct virtio_input *vi = inp...

...; + struct input_dev *idev; > > + char name[64]; > > + char serial[64]; > > + char phys[64]; > > + struct virtqueue *evt, *sts; > > + struct virtio_input_event evts[64]; > > +}; > > + > > +static ssize_t serial_show(struct device *dev, > > + struct device_attribute *attr, char *buf) > > +{ > > + struct input_dev *idev = to_input_dev(dev); > > + struct virtio_input *vi = inp...

Hi, > > +static int virtinput_send_status(struct virtio_input *vi, > > + u16 type, u16 code, s32 value) > > +{ > > + struct virtio_input_event *stsbuf; > > + struct scatterlist sg[1]; > > + > > + stsbuf = kzalloc(sizeof(*stsbuf), GFP_ATOMIC); > > + if (!stsbuf) > > + return -ENOMEM; > > + > > + stsbuf->type = cpu_to_le16(type); > > + stsbuf-...

On Tue, Mar 24, 2015 at 12:46:21PM +0100, Gerd Hoffmann wrote: > Hi, > > > > + spin_lock_irqsave(&vi->lock, flags); > > > + while ((event = virtqueue_get_buf(vi->evt, &len)) != NULL) { > > > + input_event(vi->idev, > > > + le16_to_cpu(event->type), > > > + le16_to_cpu(event->code), > > > + le32_to_cpu(event->value)); > > > > What happens if input layer gets an > > unexpected event code or value? > > input layer che...

Hi, > > +static int virtinput_send_status(struct virtio_input *vi, > > + u16 type, u16 code, s32 value) > > +{ > > + struct virtio_input_event *stsbuf; > > + struct scatterlist sg[1]; > > + > > + stsbuf = kzalloc(sizeof(*stsbuf), GFP_ATOMIC); > > + if (!stsbuf) > > + return -ENOMEM; > > + > > + stsbuf->type = cpu_to_le16(type); > > + stsbuf-...

On Tue, Mar 24, 2015 at 12:46:21PM +0100, Gerd Hoffmann wrote: > Hi, > > > > + spin_lock_irqsave(&vi->lock, flags); > > > + while ((event = virtqueue_get_buf(vi->evt, &len)) != NULL) { > > > + input_event(vi->idev, > > > + le16_to_cpu(event->type), > > > + le16_to_cpu(event->code), > > > + le32_to_cpu(event->value)); > > > > What happens if input layer gets an > > unexpected event code or value? > > input layer che...

...t virtio_input { > + struct virtio_device *vdev; > + struct input_dev *idev; > + char name[64]; > + char serial[64]; > + char phys[64]; > + struct virtqueue *evt, *sts; > + struct virtio_input_event evts[64]; > + spinlock_t lock; > +}; > + > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > + struct virtio_input_event *evtbuf) > +{ > + struct scatterlist sg[1]; > + > + sg_init_one(sg, evtbuf, sizeof(*evtbuf)); > + virtqueue_a...

...t virtio_input { > + struct virtio_device *vdev; > + struct input_dev *idev; > + char name[64]; > + char serial[64]; > + char phys[64]; > + struct virtqueue *evt, *sts; > + struct virtio_input_event evts[64]; > + spinlock_t lock; > +}; > + > +static void virtinput_queue_evtbuf(struct virtio_input *vi, > + struct virtio_input_event *evtbuf) > +{ > + struct scatterlist sg[1]; > + > + sg_init_one(sg, evtbuf, sizeof(*evtbuf)); > + virtqueue_a...