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libcsupport: Updates from latest FreeBSD version

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This commit is contained in:
Sebastian Huber
2013-10-16 13:04:33 +02:00
parent 9e1d605979
commit b8de8281cb
1 changed files with 21 additions and 11 deletions
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32
cpukit/libcsupport/include/sys/ioccom.h
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@@ -27,7 +27,7 @@
* SUCH DAMAGE.
*
* @(#)ioccom.h 8.2 (Berkeley) 3/28/94
* $FreeBSD: src/sys/sys/ioccom.h,v 1.15 2004/04/07 04:19:49 imp Exp $
* $FreeBSD$
*/
#ifndef _SYS_IOCCOM_H_
@@ -36,29 +36,34 @@
#include <sys/types.h>
#include <stdint.h>
typedef uint32_t ioctl_command_t;
/*
* Ioctl's have the command encoded in the lower word, and the size of
* any in or out parameters in the upper word. The high 3 bits of the
* upper word are used to encode the in/out status of the parameter.
*/
#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
#define IOCPARM_SHIFT 13 /* number of bits for ioctl size */
#define IOCPARM_MASK ((1 << IOCPARM_SHIFT) - 1) /* parameter length mask */
#define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
#define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16))
#define IOCGROUP(x) (((x) >> 8) & 0xff)
#define IOCPARM_MAX PAGE_SIZE /* max size of ioctl, mult. of PAGE_SIZE */
#define IOCPARM_MAX (1 << IOCPARM_SHIFT) /* max size of ioctl */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000 /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
#define IOC_DIRMASK 0xe0000000 /* mask for IN/OUT/VOID */
#define IOC_DIRMASK (IOC_VOID|IOC_OUT|IOC_IN)
#define _IOC(inout,group,num,len) \
(u_int32_t) ((u_int32_t)inout | \
(u_int32_t) ((u_int32_t)((u_int32_t)len & IOCPARM_MASK) << 16) | \
(u_int32_t)((group) << 8) | \
(u_int32_t)(num))
((ioctl_command_t) \
((ioctl_command_t) (inout) \
| (((ioctl_command_t) (len) & IOCPARM_MASK) << 16) \
| ((ioctl_command_t) (group) << 8) \
| (ioctl_command_t) (num)))
#define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0)
#define _IOWINT(g,n) _IOC(IOC_VOID, (g), (n), sizeof(int))
#define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t))
#define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t))
/* this should be _IORW, but stdio got there first */
@@ -85,9 +90,14 @@
#define FIOSETOWN _IOW('f', 124, int) /* set owner */
#define FIOGETOWN _IOR('f', 123, int) /* get owner */
typedef uint32_t ioctl_command_t;
#ifdef _KERNEL
#ifndef _KERNEL
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
#define IOCPARM_IVAL(x) ((int)(intptr_t)(void *)*(caddr_t *)(void *)(x))
#endif
#else
#include <sys/cdefs.h>
@@ -95,6 +105,6 @@ __BEGIN_DECLS
int ioctl(int, ioctl_command_t, ...);
__END_DECLS
#endif /* !KERNEL */
#endif
#endif /* !_SYS_IOCCOM_H_ */