Mark
26 lines
739 B
C
26 lines
739 B
C
#pragma once
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#include "user/termios.h"
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#include "sys/char/ring.h"
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#include "sys/types.h"
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struct chrdev {
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void *dev_data;
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struct ring buffer;
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enum {
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CHRDEV_GENERIC = 0,
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CHRDEV_TTY
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} type;
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// TODO: move tty info somewhere else?
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struct termios tc;
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int (*ioctl) (struct chrdev *chr, unsigned int cmd, void *arg);
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ssize_t (*write) (struct chrdev *chr, const void *buf, size_t pos, size_t lim);
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ssize_t (*read) (struct chrdev *chr, void *buf, size_t pos, size_t lim);
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};
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int chr_ioctl(struct chrdev *chr, unsigned int cmd, void *arg);
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ssize_t chr_write(struct chrdev *chr, const void *buf, size_t pos, size_t lim);
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ssize_t chr_read(struct chrdev *chr, void *buf, size_t pos, size_t lim);
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