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78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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#define __FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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#include <types.h>
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#include <stropts.h>
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#include <termios.h>
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#define _IOC_NRBITS 8
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#define _IOC_TYPEBITS 8
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#define _IOC_SIZEBITS 14
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#define _IOC_DIRBITS 2
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#define _IOC_NRMASK \
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((1 << _IOC_NRBITS) - 1)
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#define _IOC_TYPEMASK \
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((1 << _IOC_TYPEBITS) - 1)
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#define _IOC_SIZEMASK \
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((1 << _IOC_SIZEBITS) - 1)
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#define _IOC_DIRMASK \
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((1 << _IOC_DIRBITS) - 1)
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#define _IOC_NRSHIFT 0
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#define _IOC_TYPESHIFT \
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(_IOC_NRSHIFT + _IOC_NRBITS)
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#define _IOC_SIZESHIFT \
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(_IOC_TYPESHIFT + _IOC_TYPEBITS)
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#define _IOC_DIRSHIFT \
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(_IOC_SIZESHIFT + _IOC_SIZEBITS)
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#define _IOC(dir, type, nr, size) \
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(((dir) << _IOC_DIRSHIFT) | \
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((type) << _IOC_TYPESHIFT) | \
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((nr) << _IOC_NRSHIFT) | \
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((size) << _IOC_SIZESHIFT))
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#define _IOC_NONE 0U
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#define _IOC_WRITE 1U
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#define _IOC_READ 2U
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#define _IOC_TYPECHECK(t) (sizeof(t))
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#define _IO(type, nr) \
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_IOC(_IOC_NONE, (type), (nr), 0)
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#define _IOR(type, nr, size) \
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_IOC(_IOC_READ, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOW(type, nr, size) \
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_IOC(_IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOWR(type, nr, size) \
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_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOR_BAD(type, nr, size) \
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_IOC(_IOC_READ, (type), (nr), sizeof(size))
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#define _IOW_BAD(type, nr, size) \
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_IOC(_IOC_WRITE, (type), (nr), sizeof(size))
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#define _IOWR_BAD(type, nr, size) \
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_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), sizeof(size))
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#define TIOCGPTN _IOR('T', 0x30, unsigned int)
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#define TIOCSPTLCK _IOW('T', 0x31, int)
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#endif // !__FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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