53dacbca2d
Include _uio.h instead of uio.h in several headers to reduce header polution. Fix a few places that relied on header polution to get the uio.h header. I have not moved struct uio as many more things that use it rely on header polution to get other definitions from uio.h. Reviewed by: cem, kib, markj Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D14811
119 lines
4.4 KiB
C
119 lines
4.4 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1982, 1986, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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.
|
|
* 3. 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.
|
|
*
|
|
* @(#)uio.h 8.5 (Berkeley) 2/22/94
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _SYS_UIO_H_
|
|
#define _SYS_UIO_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/_types.h>
|
|
#include <sys/_iovec.h>
|
|
#include <sys/_uio.h>
|
|
|
|
#ifndef _SSIZE_T_DECLARED
|
|
typedef __ssize_t ssize_t;
|
|
#define _SSIZE_T_DECLARED
|
|
#endif
|
|
|
|
#ifndef _OFF_T_DECLARED
|
|
typedef __off_t off_t;
|
|
#define _OFF_T_DECLARED
|
|
#endif
|
|
|
|
#ifdef _KERNEL
|
|
|
|
struct uio {
|
|
struct iovec *uio_iov; /* scatter/gather list */
|
|
int uio_iovcnt; /* length of scatter/gather list */
|
|
off_t uio_offset; /* offset in target object */
|
|
ssize_t uio_resid; /* remaining bytes to process */
|
|
enum uio_seg uio_segflg; /* address space */
|
|
enum uio_rw uio_rw; /* operation */
|
|
struct thread *uio_td; /* owner */
|
|
};
|
|
|
|
/*
|
|
* Limits
|
|
*
|
|
* N.B.: UIO_MAXIOV must be no less than IOV_MAX from <sys/syslimits.h>
|
|
* which in turn must be no less than _XOPEN_IOV_MAX from <limits.h>. If
|
|
* we ever make this tunable (probably pointless), then IOV_MAX should be
|
|
* removed from <sys/syslimits.h> and applications would be expected to use
|
|
* sysconf(3) to find out the correct value, or else assume the worst
|
|
* (_XOPEN_IOV_MAX). Perhaps UIO_MAXIOV should be simply defined as
|
|
* IOV_MAX.
|
|
*/
|
|
#define UIO_MAXIOV 1024 /* max 1K of iov's */
|
|
|
|
struct vm_object;
|
|
struct vm_page;
|
|
struct bus_dma_segment;
|
|
|
|
struct uio *cloneuio(struct uio *uiop);
|
|
int copyinfrom(const void * __restrict src, void * __restrict dst,
|
|
size_t len, int seg);
|
|
int copyiniov(const struct iovec *iovp, u_int iovcnt, struct iovec **iov,
|
|
int error);
|
|
int copyinstrfrom(const void * __restrict src, void * __restrict dst,
|
|
size_t len, size_t * __restrict copied, int seg);
|
|
int copyinuio(const struct iovec *iovp, u_int iovcnt, struct uio **uiop);
|
|
int copyout_map(struct thread *td, vm_offset_t *addr, size_t sz);
|
|
int copyout_unmap(struct thread *td, vm_offset_t addr, size_t sz);
|
|
int physcopyin(void *src, vm_paddr_t dst, size_t len);
|
|
int physcopyout(vm_paddr_t src, void *dst, size_t len);
|
|
int physcopyin_vlist(struct bus_dma_segment *src, off_t offset,
|
|
vm_paddr_t dst, size_t len);
|
|
int physcopyout_vlist(vm_paddr_t src, struct bus_dma_segment *dst,
|
|
off_t offset, size_t len);
|
|
int uiomove(void *cp, int n, struct uio *uio);
|
|
int uiomove_frombuf(void *buf, int buflen, struct uio *uio);
|
|
int uiomove_fromphys(struct vm_page *ma[], vm_offset_t offset, int n,
|
|
struct uio *uio);
|
|
int uiomove_nofault(void *cp, int n, struct uio *uio);
|
|
int uiomove_object(struct vm_object *obj, off_t obj_size, struct uio *uio);
|
|
|
|
#else /* !_KERNEL */
|
|
|
|
__BEGIN_DECLS
|
|
ssize_t readv(int, const struct iovec *, int);
|
|
ssize_t writev(int, const struct iovec *, int);
|
|
#if __BSD_VISIBLE
|
|
ssize_t preadv(int, const struct iovec *, int, off_t);
|
|
ssize_t pwritev(int, const struct iovec *, int, off_t);
|
|
#endif
|
|
__END_DECLS
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_SYS_UIO_H_ */
|