Remove (Unused).

1 files changed, 0 insertions, 189 deletions

diff --git a/cpukit/libnetworking/sys/buf.h b/cpukit/libnetworking/sys/buf.h
deleted file mode 100644
index f7d98f5bdf..0000000000
--- a/cpukit/libnetworking/sys/buf.h
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright (c) 1982, 1986, 1989, 1993
- *	The Regents of the University of California.  All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)buf.h	8.9 (Berkeley) 3/30/95
- * $FreeBSD: src/sys/sys/buf.h,v 1.181 2004/11/18 08:44:09 jeff Exp $
- */
-
-/*
- * $Id$
- */
-
-#ifndef _SYS_BUF_H_
-#define	_SYS_BUF_H_
-
-#include <sys/queue.h>
-
-#define NOLIST ((struct buf *)0x87654321)
-
-struct buf;
-
-struct iodone_chain {
-	long	ic_prev_flags;
-	void	(*ic_prev_iodone)(struct buf *);
-	void	*ic_prev_iodone_chain;
-	struct {
-		long	ia_long;
-		void	*ia_ptr;
-	}	ic_args[5];
-};
-
-typedef TAILQ_HEAD(buf_queue_head, buf) buf_queue_head, *buf_queue_head_t;
-
-/*
- * The buffer header describes an I/O operation in the kernel.
- */
-struct buf {
-	LIST_ENTRY(buf) b_hash;		/* Hash chain. */
-	LIST_ENTRY(buf) b_vnbufs;	/* Buffer's associated vnode. */
-	TAILQ_ENTRY(buf) b_freelist;	/* Free list position if not active. */
-	TAILQ_ENTRY(buf) b_act;		/* Device driver queue when active. *new* */
-	struct  proc *b_proc;		/* Associated proc; NULL if kernel. */
-	long	b_flags;		/* B_* flags. */
-	unsigned short b_qindex;	/* buffer queue index */
-	unsigned char b_usecount;	/* buffer use count */
-	int	b_error;		/* Errno value. */
-	long	b_bufsize;		/* Allocated buffer size. */
-	long	b_bcount;		/* Valid bytes in buffer. */
-	long	b_resid;		/* Remaining I/O. */
-	dev_t	b_dev;			/* Device associated with buffer. */
-	struct {
-		caddr_t	b_addr;		/* Memory, superblocks, indirect etc. */
-	} b_un;
-	caddr_t	b_kvabase;		/* base kva for buffer */
-	int	b_kvasize;		/* size of kva for buffer */
-	void	*b_saveaddr;		/* Original b_addr for physio. */
-	daddr_t	b_lblkno;		/* Logical block number. */
-	daddr_t	b_blkno;		/* Underlying physical block number. */
-					/* Function to call upon completion. */
-	void	(*b_iodone)(struct buf *);
-					/* For nested b_iodone's. */
-	struct	iodone_chain *b_iodone_chain;
-	struct	vnode *b_vp;		/* Device vnode. */
-	int	b_dirtyoff;		/* Offset in buffer of dirty region. */
-	int	b_dirtyend;		/* Offset of end of dirty region. */
-	struct	ucred *b_rcred;		/* Read credentials reference. */
-	struct	ucred *b_wcred;		/* Write credentials reference. */
-	int	b_validoff;		/* Offset in buffer of valid region. */
-	int	b_validend;		/* Offset of end of valid region. */
-	daddr_t	b_pblkno;               /* physical block number */
-	caddr_t	b_savekva;              /* saved kva for transfer while bouncing */
-	void	*b_driver1;		/* for private use by the driver */
-	void	*b_driver2;		/* for private use by the driver */
-	void	*b_spc;
-	union	cluster_info {
-		TAILQ_HEAD(cluster_list_head, buf) cluster_head;
-		TAILQ_ENTRY(buf) cluster_entry;
-	} b_cluster;
-	struct	vm_page *b_pages[btoc(MAXPHYS)];
-	int		b_npages;
-};
-
-/* Device driver compatibility definitions. */
-#define	b_data	 b_un.b_addr		/* b_un.b_addr is not changeable. */
-
-/*
- * These flags are kept in b_flags.
- */
-#define	B_AGE		0x00000001	/* Move to age queue when I/O done. */
-#define	B_NEEDCOMMIT	0x00000002	/* Append-write in progress. */
-#define	B_ASYNC		0x00000004	/* Start I/O, do not wait. */
-#define	B_BAD		0x00000008	/* Bad block revectoring in progress. */
-#define	B_BUSY		0x00000010	/* I/O in progress. */
-#define	B_CACHE		0x00000020	/* Bread found us in the cache. */
-#define	B_CALL		0x00000040	/* Call b_iodone from biodone. */
-#define	B_DELWRI	0x00000080	/* Delay I/O until buffer reused. */
-#define	B_DIRTY		0x00000100	/* Dirty page to be pushed out async. */
-#define	B_DONE		0x00000200	/* I/O completed. */
-#define	B_EINTR		0x00000400	/* I/O was interrupted */
-#define	B_ERROR		0x00000800	/* I/O error occurred. */
-#define	B_GATHERED	0x00001000	/* LFS: already in a segment. */
-#define	B_INVAL		0x00002000	/* Does not contain valid info. */
-#define	B_LOCKED	0x00004000	/* Locked in core (not reusable). */
-#define	B_NOCACHE	0x00008000	/* Do not cache block after use. */
-#define	B_MALLOC	0x00010000	/* malloced b_data */
-#define	B_CLUSTEROK	0x00020000	/* Pagein op, so swap() can count it. */
-#define	B_PHYS		0x00040000	/* I/O to user memory. */
-#define	B_RAW		0x00080000	/* Set by physio for raw transfers. */
-#define	B_READ		0x00100000	/* Read buffer. */
-#define	B_TAPE		0x00200000	/* Magnetic tape I/O. */
-#define	B_RELBUF	0x00400000	/* Release VMIO buffer. */
-#define	B_WANTED	0x00800000	/* Process wants this buffer. */
-#define	B_WRITE		0x00000000	/* Write buffer (pseudo flag). */
-#define	B_WRITEINPROG	0x01000000	/* Write in progress. */
-#define	B_XXX		0x02000000	/* Debugging flag. */
-#define	B_PAGING	0x04000000	/* volatile paging I/O -- bypass VMIO */
-#define	B_ORDERED	0x08000000	/* Must guarantee I/O ordering */
-#define B_VMIO		0x20000000	/* VMIO flag */
-#define B_CLUSTER	0x40000000	/* pagein op, so swap() can count it */
-#define B_BOUNCE	0x80000000	/* bounce buffer flag */
-
-/*
- * number of buffer hash entries
- */
-#define BUFHSZ 512
-
-/*
- * buffer hash table calculation, originally by David Greenman
- */
-#define BUFHASH(vnp, bn)        \
-	(&bufhashtbl[(((unsigned long)(vnp) >> 7)+(int)(bn)) % BUFHSZ])
-
-/*
- * Definitions for the buffer free lists.
- */
-#define BUFFER_QUEUES	6	/* number of free buffer queues */
-
-extern LIST_HEAD(bufhashhdr, buf) bufhashtbl[BUFHSZ], invalhash;
-extern TAILQ_HEAD(bqueues, buf) bufqueues[BUFFER_QUEUES];
-
-#define QUEUE_NONE	0	/* on no queue */
-#define QUEUE_LOCKED	1	/* locked buffers */
-#define QUEUE_LRU	2	/* useful buffers */
-#define QUEUE_VMIO	3	/* VMIO buffers */
-#define QUEUE_AGE	4	/* not-useful buffers */
-#define QUEUE_EMPTY	5	/* empty buffer headers*/
-
-/*
- * Zero out the buffer's data area.
- */
-#define	clrbuf(bp) {							\
-	bzero((bp)->b_data, (u_int)(bp)->b_bcount);			\
-	(bp)->b_resid = 0;						\
-}
-
-/* Flags to low-level allocation routines. */
-#define B_CLRBUF	0x01	/* Request allocated buffer be cleared. */
-#define B_SYNC		0x02	/* Do all allocations synchronously. */
-
-#endif /* !_SYS_BUF_H_ */