drivers/iio/industrialio-buffer.c

1845

struct iio_dmabuf __user *iio_dmabuf_req,

drivers/iio/industrialio-buffer.c

1849

struct iio_dmabuf iio_dmabuf;

drivers/iio/industrialio-buffer.c

1860

if (copy_from_user(&iio_dmabuf, iio_dmabuf_req, sizeof(iio_dmabuf)))

drivers/iio/industrialio-buffer.c

1863

if (iio_dmabuf.flags & ~IIO_BUFFER_DMABUF_SUPPORTED_FLAGS)

drivers/iio/industrialio-buffer.c

1866

cyclic = iio_dmabuf.flags & IIO_BUFFER_DMABUF_CYCLIC;

drivers/iio/industrialio-buffer.c

1872

dmabuf = dma_buf_get(iio_dmabuf.fd);

drivers/iio/industrialio-buffer.c

1876

if (!iio_dmabuf.bytes_used || iio_dmabuf.bytes_used > dmabuf->size) {

drivers/iio/industrialio-buffer.c

1940

priv->sgt, iio_dmabuf.bytes_used,

include/uapi/linux/iio/buffer.h

30

#define IIO_BUFFER_DMABUF_ENQUEUE_IOCTL _IOW('i', 0x94, struct iio_dmabuf)