diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 94eb9f6cf128..72f333a519bc 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -17,6 +17,7 @@
 #include <linux/fs.h>
 #include <linux/cdev.h>
 #include <linux/slab.h>
+#include <linux/mm.h>
 #include <linux/poll.h>
 #include <linux/sched/signal.h>
 
@@ -1520,11 +1521,65 @@ static int iio_buffer_chrdev_release(struct inode *inode, struct file *filep)
 	return 0;
 }
 
+static int iio_buffer_enqueue_dmabuf(struct iio_buffer *buffer,
+				     struct iio_dmabuf __user *user_buf)
+{
+	struct iio_dmabuf dmabuf;
+
+	if (!buffer->access->enqueue_dmabuf)
+		return -EPERM;
+
+	if (copy_from_user(&dmabuf, user_buf, sizeof(dmabuf)))
+		return -EFAULT;
+
+	if (dmabuf.flags & ~IIO_BUFFER_DMABUF_SUPPORTED_FLAGS)
+		return -EINVAL;
+
+	return buffer->access->enqueue_dmabuf(buffer, &dmabuf);
+}
+
+static int iio_buffer_alloc_dmabuf(struct iio_buffer *buffer,
+				   struct iio_dmabuf_alloc_req __user *user_req)
+{
+	struct iio_dmabuf_alloc_req req;
+
+	if (!buffer->access->alloc_dmabuf)
+		return -EPERM;
+
+	if (copy_from_user(&req, user_req, sizeof(req)))
+		return -EFAULT;
+
+	if (req.resv)
+		return -EINVAL;
+
+	return buffer->access->alloc_dmabuf(buffer, &req);
+}
+
+static long iio_buffer_chrdev_ioctl(struct file *filp,
+				    unsigned int cmd, unsigned long arg)
+{
+	struct iio_dev_buffer_pair *ib = filp->private_data;
+	struct iio_buffer *buffer = ib->buffer;
+	void __user *_arg = (void __user *)arg;
+
+	switch (cmd) {
+	case IIO_BUFFER_DMABUF_ALLOC_IOCTL:
+		return iio_buffer_alloc_dmabuf(buffer, _arg);
+	case IIO_BUFFER_DMABUF_ENQUEUE_IOCTL:
+		/* TODO: support non-blocking enqueue operation */
+		return iio_buffer_enqueue_dmabuf(buffer, _arg);
+	default:
+		return IIO_IOCTL_UNHANDLED;
+	}
+}
+
 static const struct file_operations iio_buffer_chrdev_fileops = {
 	.owner = THIS_MODULE,
 	.llseek = noop_llseek,
 	.read = iio_buffer_read,
 	.write = iio_buffer_write,
+	.unlocked_ioctl = iio_buffer_chrdev_ioctl,
+	.compat_ioctl = compat_ptr_ioctl,
 	.poll = iio_buffer_poll,
 	.release = iio_buffer_chrdev_release,
 };
diff --git a/include/linux/iio/buffer_impl.h b/include/linux/iio/buffer_impl.h
index e2ca8ea23e19..728541bc2c63 100644
--- a/include/linux/iio/buffer_impl.h
+++ b/include/linux/iio/buffer_impl.h
@@ -39,6 +39,9 @@ struct iio_buffer;
  *                      device stops sampling. Calles are balanced with @enable.
  * @release:		called when the last reference to the buffer is dropped,
  *			should free all resources allocated by the buffer.
+ * @alloc_dmabuf:	called from userspace via ioctl to allocate one DMABUF.
+ * @enqueue_dmabuf:	called from userspace via ioctl to queue this DMABUF
+ *			object to this buffer. Requires a valid DMABUF fd.
  * @modes:		Supported operating modes by this buffer type
  * @flags:		A bitmask combination of INDIO_BUFFER_FLAG_*
  *
@@ -68,6 +71,11 @@ struct iio_buffer_access_funcs {
 
 	void (*release)(struct iio_buffer *buffer);
 
+	int (*alloc_dmabuf)(struct iio_buffer *buffer,
+			    struct iio_dmabuf_alloc_req *req);
+	int (*enqueue_dmabuf)(struct iio_buffer *buffer,
+			      struct iio_dmabuf *block);
+
 	unsigned int modes;
 	unsigned int flags;
 };
diff --git a/include/uapi/linux/iio/buffer.h b/include/uapi/linux/iio/buffer.h
index 13939032b3f6..e4621b926262 100644
--- a/include/uapi/linux/iio/buffer.h
+++ b/include/uapi/linux/iio/buffer.h
@@ -5,6 +5,35 @@
 #ifndef _UAPI_IIO_BUFFER_H_
 #define _UAPI_IIO_BUFFER_H_
 
+#include <linux/types.h>
+
+#define IIO_BUFFER_DMABUF_SUPPORTED_FLAGS	0x00000000
+
+/**
+ * struct iio_dmabuf_alloc_req - Descriptor for allocating IIO DMABUFs
+ * @size:	the size of a single DMABUF
+ * @resv:	reserved
+ */
+struct iio_dmabuf_alloc_req {
+	__u64 size;
+	__u64 resv;
+};
+
+/**
+ * struct iio_dmabuf - Descriptor for a single IIO DMABUF object
+ * @fd:		file descriptor of the DMABUF object
+ * @flags:	one or more IIO_BUFFER_DMABUF_* flags
+ * @bytes_used:	number of bytes used in this DMABUF for the data transfer.
+ *		If zero, the full buffer is used.
+ */
+struct iio_dmabuf {
+	__u32 fd;
+	__u32 flags;
+	__u64 bytes_used;
+};
+
 #define IIO_BUFFER_GET_FD_IOCTL			_IOWR('i', 0x91, int)
+#define IIO_BUFFER_DMABUF_ALLOC_IOCTL		_IOW('i', 0x92, struct iio_dmabuf_alloc_req)
+#define IIO_BUFFER_DMABUF_ENQUEUE_IOCTL		_IOW('i', 0x93, struct iio_dmabuf)
 
 #endif /* _UAPI_IIO_BUFFER_H_ */
