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Matheus
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#ifndef _DEVFS_H
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#define _DEVFS_H
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#include <kernel/vfs.h>
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#include <kernel/poll.h>
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#define DEV_MAJOR_NULL 1
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#define DEV_MAJOR_FULL 2
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#define DEV_MAJOR_ZERO 3
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#define DEV_MAJOR_CONSOLE 4
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#define DEV_MAJOR_FB 5
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#define DEV_MAJOR_KEYBOARD 6
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#define DEV_MAJOR_BLOCK 7
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#define DEV_MAJOR_E9 8
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#define DEV_MAJOR_URANDOM 9
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#define DEV_MAJOR_NET 10
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#define DEV_MAJOR_MOUSE 11
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typedef struct {
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int (*open)(int minor, int flags);
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int (*close)(int minor, int flags);
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int (*read)(int minor, void *buffer, size_t size, uintmax_t offset, int flags, size_t *readc);
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int (*write)(int minor, void *buffer, size_t size, uintmax_t offset, int flags, size_t *writec);
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int (*poll)(int minor, polldata_t *data, int events);
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int (*mmap)(int minor, void *addr, uintmax_t offset, int flags);
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int (*munmap)(int minor, void *addr, uintmax_t offset, int flags);
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int (*isatty)(int minor);
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int (*ioctl)(int minor, unsigned long request, void *arg, int *result);
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int (*maxseek)(int minor, size_t *max);
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} devops_t;
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typedef struct devnode_t {
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vnode_t vnode;
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vattr_t attr;
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devops_t *devops;
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vnode_t *physical;
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struct devnode_t *master;
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} devnode_t;
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void devfs_init();
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int devfs_getnode(vnode_t *physical, int major, int minor, vnode_t **node);
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int devfs_register(devops_t *devops, char *name, int type, int major, int minor, mode_t mode);
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int devfs_getbyname(char *name, vnode_t **ret);
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#endif
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