87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
#pragma once
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#include <zinnia/handle.h>
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#include <zinnia/status.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include <unistd.h>
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struct file;
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struct inode;
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struct path;
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// struct file_ops {
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// zn_status_t (*open)(struct file* self, uint32_t flags);
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// zn_status_t (*close)(struct file* self);
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// zn_status_t (*read)(struct file* self, struct iovec_iter* iter, ssize_t* out_read);
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// zn_status_t (*write)(struct file* self, struct iovec_iter* iter, ssize_t* out_written);
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// zn_status_t (*devctl)(struct file* self, uint32_t dcmd, void* data, size_t num, int* out_info);
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// zn_status_t (*poll)(struct file* self, int16_t mask, int16_t* out_mask); // TODO: This is not correct.
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// zn_status_t (*mmap)(
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// struct file* self,
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// zn_handle_t* space,
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// void* addr,
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// size_t len,
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// int prot,
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// int flags,
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// off_t offset
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// );
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// };
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struct file {
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const struct file_ops* ops;
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struct inode* inode;
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uint32_t mode;
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uint32_t flags;
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};
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struct file* file_alloc();
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struct file* file_from_fd(int fd);
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struct inode_ops {
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union {
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struct {
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zn_status_t (*lookup)(struct inode* inode, struct path* path);
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} dir;
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struct {
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zn_status_t (*truncate)(struct inode* inode);
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} reg;
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};
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};
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struct inode_attr {
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struct timespec atime, mtime, ctime;
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uid_t uid;
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gid_t gid;
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};
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struct inode {
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const struct inode_ops* ops;
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struct inode_attr attr;
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};
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struct entry {
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const char* name;
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struct inode* inode;
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uint8_t state;
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};
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struct path {
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struct entry* entry;
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struct mount* mount;
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};
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struct mount {
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uint32_t flags;
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struct entry root;
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struct path mount_point;
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};
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struct file_system_ops {};
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struct file_system {
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const char* name;
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struct file_system_ops ops;
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};
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