summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/linux/virtio.h
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/include/linux/virtio.h')
-rw-r--r--ANDROID_3.4.5/include/linux/virtio.h105
1 files changed, 0 insertions, 105 deletions
diff --git a/ANDROID_3.4.5/include/linux/virtio.h b/ANDROID_3.4.5/include/linux/virtio.h
deleted file mode 100644
index 8efd28ae..00000000
--- a/ANDROID_3.4.5/include/linux/virtio.h
+++ /dev/null
@@ -1,105 +0,0 @@
-#ifndef _LINUX_VIRTIO_H
-#define _LINUX_VIRTIO_H
-/* Everything a virtio driver needs to work with any particular virtio
- * implementation. */
-#include <linux/types.h>
-#include <linux/scatterlist.h>
-#include <linux/spinlock.h>
-#include <linux/device.h>
-#include <linux/mod_devicetable.h>
-#include <linux/gfp.h>
-
-/**
- * virtqueue - a queue to register buffers for sending or receiving.
- * @list: the chain of virtqueues for this device
- * @callback: the function to call when buffers are consumed (can be NULL).
- * @name: the name of this virtqueue (mainly for debugging)
- * @vdev: the virtio device this queue was created for.
- * @priv: a pointer for the virtqueue implementation to use.
- */
-struct virtqueue {
- struct list_head list;
- void (*callback)(struct virtqueue *vq);
- const char *name;
- struct virtio_device *vdev;
- void *priv;
-};
-
-int virtqueue_add_buf(struct virtqueue *vq,
- struct scatterlist sg[],
- unsigned int out_num,
- unsigned int in_num,
- void *data,
- gfp_t gfp);
-
-void virtqueue_kick(struct virtqueue *vq);
-
-bool virtqueue_kick_prepare(struct virtqueue *vq);
-
-void virtqueue_notify(struct virtqueue *vq);
-
-void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len);
-
-void virtqueue_disable_cb(struct virtqueue *vq);
-
-bool virtqueue_enable_cb(struct virtqueue *vq);
-
-bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
-
-void *virtqueue_detach_unused_buf(struct virtqueue *vq);
-
-unsigned int virtqueue_get_vring_size(struct virtqueue *vq);
-
-/**
- * virtio_device - representation of a device using virtio
- * @index: unique position on the virtio bus
- * @dev: underlying device.
- * @id: the device type identification (used to match it with a driver).
- * @config: the configuration ops for this device.
- * @vqs: the list of virtqueues for this device.
- * @features: the features supported by both driver and device.
- * @priv: private pointer for the driver's use.
- */
-struct virtio_device {
- int index;
- struct device dev;
- struct virtio_device_id id;
- struct virtio_config_ops *config;
- struct list_head vqs;
- /* Note that this is a Linux set_bit-style bitmap. */
- unsigned long features[1];
- void *priv;
-};
-
-#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
-int register_virtio_device(struct virtio_device *dev);
-void unregister_virtio_device(struct virtio_device *dev);
-
-/**
- * virtio_driver - operations for a virtio I/O driver
- * @driver: underlying device driver (populate name and owner).
- * @id_table: the ids serviced by this driver.
- * @feature_table: an array of feature numbers supported by this driver.
- * @feature_table_size: number of entries in the feature table array.
- * @probe: the function to call when a device is found. Returns 0 or -errno.
- * @remove: the function to call when a device is removed.
- * @config_changed: optional function to call when the device configuration
- * changes; may be called in interrupt context.
- */
-struct virtio_driver {
- struct device_driver driver;
- const struct virtio_device_id *id_table;
- const unsigned int *feature_table;
- unsigned int feature_table_size;
- int (*probe)(struct virtio_device *dev);
- void (*remove)(struct virtio_device *dev);
- void (*config_changed)(struct virtio_device *dev);
-#ifdef CONFIG_PM
- int (*freeze)(struct virtio_device *dev);
- int (*restore)(struct virtio_device *dev);
-#endif
-};
-
-int register_virtio_driver(struct virtio_driver *drv);
-void unregister_virtio_driver(struct virtio_driver *drv);
-#endif /* _LINUX_VIRTIO_H */