Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 221 deletions

diff --git a/ANDROID_3.4.5/drivers/vhost/vhost.h b/ANDROID_3.4.5/drivers/vhost/vhost.h
deleted file mode 100644
index 8de1fd5b..00000000
--- a/ANDROID_3.4.5/drivers/vhost/vhost.h
+++ /dev/null
@@ -1,221 +0,0 @@
-#ifndef _VHOST_H
-#define _VHOST_H
-
-#include <linux/eventfd.h>
-#include <linux/vhost.h>
-#include <linux/mm.h>
-#include <linux/mutex.h>
-#include <linux/poll.h>
-#include <linux/file.h>
-#include <linux/skbuff.h>
-#include <linux/uio.h>
-#include <linux/virtio_config.h>
-#include <linux/virtio_ring.h>
-#include <linux/atomic.h>
-
-/* This is for zerocopy, used buffer len is set to 1 when lower device DMA
- * done */
-#define VHOST_DMA_DONE_LEN	1
-#define VHOST_DMA_CLEAR_LEN	0
-
-struct vhost_device;
-
-struct vhost_work;
-typedef void (*vhost_work_fn_t)(struct vhost_work *work);
-
-struct vhost_work {
-	struct list_head	  node;
-	vhost_work_fn_t		  fn;
-	wait_queue_head_t	  done;
-	int			  flushing;
-	unsigned		  queue_seq;
-	unsigned		  done_seq;
-};
-
-/* Poll a file (eventfd or socket) */
-/* Note: there's nothing vhost specific about this structure. */
-struct vhost_poll {
-	poll_table                table;
-	wait_queue_head_t        *wqh;
-	wait_queue_t              wait;
-	struct vhost_work	  work;
-	unsigned long		  mask;
-	struct vhost_dev	 *dev;
-};
-
-void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
-		     unsigned long mask, struct vhost_dev *dev);
-void vhost_poll_start(struct vhost_poll *poll, struct file *file);
-void vhost_poll_stop(struct vhost_poll *poll);
-void vhost_poll_flush(struct vhost_poll *poll);
-void vhost_poll_queue(struct vhost_poll *poll);
-
-struct vhost_log {
-	u64 addr;
-	u64 len;
-};
-
-struct vhost_virtqueue;
-
-struct vhost_ubuf_ref {
-	struct kref kref;
-	wait_queue_head_t wait;
-	struct vhost_virtqueue *vq;
-};
-
-struct vhost_ubuf_ref *vhost_ubuf_alloc(struct vhost_virtqueue *, bool zcopy);
-void vhost_ubuf_put(struct vhost_ubuf_ref *);
-void vhost_ubuf_put_and_wait(struct vhost_ubuf_ref *);
-
-/* The virtqueue structure describes a queue attached to a device. */
-struct vhost_virtqueue {
-	struct vhost_dev *dev;
-
-	/* The actual ring of buffers. */
-	struct mutex mutex;
-	unsigned int num;
-	struct vring_desc __user *desc;
-	struct vring_avail __user *avail;
-	struct vring_used __user *used;
-	struct file *kick;
-	struct file *call;
-	struct file *error;
-	struct eventfd_ctx *call_ctx;
-	struct eventfd_ctx *error_ctx;
-	struct eventfd_ctx *log_ctx;
-
-	struct vhost_poll poll;
-
-	/* The routine to call when the Guest pings us, or timeout. */
-	vhost_work_fn_t handle_kick;
-
-	/* Last available index we saw. */
-	u16 last_avail_idx;
-
-	/* Caches available index value from user. */
-	u16 avail_idx;
-
-	/* Last index we used. */
-	u16 last_used_idx;
-
-	/* Used flags */
-	u16 used_flags;
-
-	/* Last used index value we have signalled on */
-	u16 signalled_used;
-
-	/* Last used index value we have signalled on */
-	bool signalled_used_valid;
-
-	/* Log writes to used structure. */
-	bool log_used;
-	u64 log_addr;
-
-	struct iovec iov[UIO_MAXIOV];
-	/* hdr is used to store the virtio header.
-	 * Since each iovec has >= 1 byte length, we never need more than
-	 * header length entries to store the header. */
-	struct iovec hdr[sizeof(struct virtio_net_hdr_mrg_rxbuf)];
-	struct iovec *indirect;
-	size_t vhost_hlen;
-	size_t sock_hlen;
-	struct vring_used_elem *heads;
-	/* We use a kind of RCU to access private pointer.
-	 * All readers access it from worker, which makes it possible to
-	 * flush the vhost_work instead of synchronize_rcu. Therefore readers do
-	 * not need to call rcu_read_lock/rcu_read_unlock: the beginning of
-	 * vhost_work execution acts instead of rcu_read_lock() and the end of
-	 * vhost_work execution acts instead of rcu_read_unlock().
-	 * Writers use virtqueue mutex. */
-	void __rcu *private_data;
-	/* Log write descriptors */
-	void __user *log_base;
-	struct vhost_log *log;
-	/* vhost zerocopy support fields below: */
-	/* last used idx for outstanding DMA zerocopy buffers */
-	int upend_idx;
-	/* first used idx for DMA done zerocopy buffers */
-	int done_idx;
-	/* an array of userspace buffers info */
-	struct ubuf_info *ubuf_info;
-	/* Reference counting for outstanding ubufs.
-	 * Protected by vq mutex. Writers must also take device mutex. */
-	struct vhost_ubuf_ref *ubufs;
-};
-
-struct vhost_dev {
-	/* Readers use RCU to access memory table pointer
-	 * log base pointer and features.
-	 * Writers use mutex below.*/
-	struct vhost_memory __rcu *memory;
-	struct mm_struct *mm;
-	struct mutex mutex;
-	unsigned acked_features;
-	struct vhost_virtqueue *vqs;
-	int nvqs;
-	struct file *log_file;
-	struct eventfd_ctx *log_ctx;
-	spinlock_t work_lock;
-	struct list_head work_list;
-	struct task_struct *worker;
-};
-
-long vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue *vqs, int nvqs);
-long vhost_dev_check_owner(struct vhost_dev *);
-long vhost_dev_reset_owner(struct vhost_dev *);
-void vhost_dev_cleanup(struct vhost_dev *, bool locked);
-long vhost_dev_ioctl(struct vhost_dev *, unsigned int ioctl, unsigned long arg);
-int vhost_vq_access_ok(struct vhost_virtqueue *vq);
-int vhost_log_access_ok(struct vhost_dev *);
-
-int vhost_get_vq_desc(struct vhost_dev *, struct vhost_virtqueue *,
-		      struct iovec iov[], unsigned int iov_count,
-		      unsigned int *out_num, unsigned int *in_num,
-		      struct vhost_log *log, unsigned int *log_num);
-void vhost_discard_vq_desc(struct vhost_virtqueue *, int n);
-
-int vhost_init_used(struct vhost_virtqueue *);
-int vhost_add_used(struct vhost_virtqueue *, unsigned int head, int len);
-int vhost_add_used_n(struct vhost_virtqueue *, struct vring_used_elem *heads,
-		     unsigned count);
-void vhost_add_used_and_signal(struct vhost_dev *, struct vhost_virtqueue *,
-			       unsigned int id, int len);
-void vhost_add_used_and_signal_n(struct vhost_dev *, struct vhost_virtqueue *,
-			       struct vring_used_elem *heads, unsigned count);
-void vhost_signal(struct vhost_dev *, struct vhost_virtqueue *);
-void vhost_disable_notify(struct vhost_dev *, struct vhost_virtqueue *);
-bool vhost_enable_notify(struct vhost_dev *, struct vhost_virtqueue *);
-
-int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,
-		    unsigned int log_num, u64 len);
-void vhost_zerocopy_callback(struct ubuf_info *);
-int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq);
-
-#define vq_err(vq, fmt, ...) do {                                  \
-		pr_debug(pr_fmt(fmt), ##__VA_ARGS__);       \
-		if ((vq)->error_ctx)                               \
-				eventfd_signal((vq)->error_ctx, 1);\
-	} while (0)
-
-enum {
-	VHOST_FEATURES = (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) |
-			 (1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
-			 (1ULL << VIRTIO_RING_F_EVENT_IDX) |
-			 (1ULL << VHOST_F_LOG_ALL) |
-			 (1ULL << VHOST_NET_F_VIRTIO_NET_HDR) |
-			 (1ULL << VIRTIO_NET_F_MRG_RXBUF),
-};
-
-static inline int vhost_has_feature(struct vhost_dev *dev, int bit)
-{
-	unsigned acked_features;
-
-	/* TODO: check that we are running from vhost_worker or dev mutex is
-	 * held? */
-	acked_features = rcu_dereference_index_check(dev->acked_features, 1);
-	return acked_features & (1 << bit);
-}
-
-void vhost_enable_zcopy(int vq);
-
-#endif