607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
31 lines
717 B
C
31 lines
717 B
C
/*
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* Berkeley style UIO structures - Alan Cox 1994.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _UAPI__LINUX_UIO_H
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#define _UAPI__LINUX_UIO_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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struct iovec
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{
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void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */
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__kernel_size_t iov_len; /* Must be size_t (1003.1g) */
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};
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/*
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* UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1)
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*/
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#define UIO_FASTIOV 8
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#define UIO_MAXIOV 1024
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#endif /* _UAPI__LINUX_UIO_H */
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