368 lines
12 KiB
C
368 lines
12 KiB
C
#ifndef __VFS_PROTO_H__
|
|
#define __VFS_PROTO_H__
|
|
|
|
/* Function prototypes. */
|
|
|
|
#include "timers.h"
|
|
#include "request.h"
|
|
#include "tll.h"
|
|
#include "threads.h"
|
|
#include <minix/rs.h>
|
|
|
|
/* Structs used in prototypes must be declared as such first. */
|
|
struct filp;
|
|
struct fproc;
|
|
struct vmnt;
|
|
struct vnode;
|
|
struct lookup;
|
|
struct worker_thread;
|
|
struct job;
|
|
|
|
typedef struct filp * filp_id_t;
|
|
|
|
/* comm.c */
|
|
void fs_cancel(struct vmnt *vmp);
|
|
int fs_sendrec(endpoint_t fs_e, message *reqm);
|
|
void fs_sendmore(struct vmnt *vmp);
|
|
void send_work(void);
|
|
|
|
/* device.c */
|
|
int dev_open(dev_t dev, endpoint_t proc_e, int flags);
|
|
int dev_reopen(dev_t dev, int filp_no, int flags);
|
|
int dev_close(dev_t dev, int filp_no);
|
|
int bdev_open(dev_t dev, int access);
|
|
int bdev_close(dev_t dev);
|
|
int dev_io(int op, dev_t dev, endpoint_t proc_e, void *buf, u64_t pos,
|
|
size_t bytes, int flags, int suspend_reopen);
|
|
int gen_opcl(int op, dev_t dev, endpoint_t task_nr, int flags);
|
|
int gen_io(endpoint_t driver_e, message *mess_ptr);
|
|
int asyn_io(int task_nr, message *mess_ptr);
|
|
int no_dev(int op, dev_t dev, int proc, int flags);
|
|
int no_dev_io(int, message *);
|
|
int tty_opcl(int op, dev_t dev, endpoint_t proc, int flags);
|
|
int ctty_opcl(int op, dev_t dev, endpoint_t proc, int flags);
|
|
int clone_opcl(int op, dev_t dev, int proc, int flags);
|
|
int ctty_io(int task_nr, message *mess_ptr);
|
|
int do_ioctl(void);
|
|
void pm_setsid(int proc_e);
|
|
void dev_status(message *);
|
|
void bdev_up(int major);
|
|
void cdev_up(int major);
|
|
endpoint_t find_suspended_ep(endpoint_t driver, cp_grant_id_t g);
|
|
void reopen_reply(void);
|
|
void open_reply(void);
|
|
|
|
/* dmap.c */
|
|
int do_mapdriver(void);
|
|
void init_dmap(void);
|
|
int dmap_driver_match(endpoint_t proc, int major);
|
|
void dmap_endpt_up(int proc_nr, int is_blk);
|
|
void dmap_unmap_by_endpt(int proc_nr);
|
|
struct dmap *get_dmap(endpoint_t proc_e);
|
|
int do_mapdriver(void);
|
|
int map_service(struct rprocpub *rpub);
|
|
void dmap_unmap_by_endpt(int proc_nr);
|
|
struct dmap *get_dmap(endpoint_t proc_e);
|
|
int map_driver(const char *label, int major, endpoint_t proc_nr, int
|
|
dev_style, int flags);
|
|
int map_service(struct rprocpub *rpub);
|
|
|
|
/* elf_core_dump.c */
|
|
void write_elf_core_file(struct filp *f, int csig, char *exe_name);
|
|
|
|
/* exec.c */
|
|
int pm_exec(int proc_e, char *path, vir_bytes path_len, char *frame,
|
|
vir_bytes frame_len, vir_bytes *pc);
|
|
#define check_bsf_lock() do { \
|
|
assert(mutex_trylock(&bsf_lock) == 0); \
|
|
unlock_bsf(); \
|
|
} while(0)
|
|
|
|
/* filedes.c */
|
|
void check_filp_locks(void);
|
|
void check_filp_locks_by_me(void);
|
|
void init_filps(void);
|
|
struct filp *find_filp(struct vnode *vp, mode_t bits);
|
|
int get_fd(int start, mode_t bits, int *k, struct filp **fpt);
|
|
struct filp *get_filp(int fild, tll_access_t locktype);
|
|
struct filp *get_filp2(struct fproc *rfp, int fild, tll_access_t
|
|
locktype);
|
|
void lock_filp(struct filp *filp, tll_access_t locktype);
|
|
void unlock_filp(struct filp *filp);
|
|
void unlock_filps(struct filp *filp1, struct filp *filp2);
|
|
int invalidate_filp(struct filp *);
|
|
void invalidate_filp_by_endpt(endpoint_t proc_e);
|
|
int do_verify_fd(void);
|
|
int set_filp(filp_id_t sfilp);
|
|
int do_set_filp(void);
|
|
int copy_filp(endpoint_t to_ep, filp_id_t cfilp);
|
|
int do_copy_filp(void);
|
|
int put_filp(filp_id_t pfilp);
|
|
int do_put_filp(void);
|
|
int cancel_fd(endpoint_t ep, int fd);
|
|
int do_cancel_fd(void);
|
|
void close_filp(struct filp *fp);
|
|
|
|
/* fscall.c */
|
|
void nested_fs_call(message *m);
|
|
|
|
/* link.c */
|
|
int do_link(void);
|
|
int do_unlink(void);
|
|
int do_rename(void);
|
|
int do_truncate(void);
|
|
int do_ftruncate(void);
|
|
int truncate_vnode(struct vnode *vp, off_t newsize);
|
|
int rdlink_direct(char *orig_path, char *link_path, struct fproc *rfp);
|
|
|
|
/* lock.c */
|
|
int lock_op(struct filp *f, int req);
|
|
void lock_revive(void);
|
|
|
|
/* main.c */
|
|
int main(void);
|
|
void reply(int whom, int result);
|
|
void lock_proc(struct fproc *rfp, int force_lock);
|
|
void unlock_proc(struct fproc *rfp);
|
|
void *do_dummy(void *arg);
|
|
|
|
/* misc.c */
|
|
int do_dup(void);
|
|
void pm_exit(int proc);
|
|
int do_fcntl(void);
|
|
void pm_fork(int pproc, int cproc, int cpid);
|
|
void pm_setgid(int proc_e, int egid, int rgid);
|
|
void pm_setuid(int proc_e, int euid, int ruid);
|
|
void pm_setgroups(int proc_e, int ngroups, gid_t *addr);
|
|
int do_sync(void);
|
|
int do_fsync(void);
|
|
void pm_reboot(void);
|
|
int do_svrctl(void);
|
|
int do_getsysinfo(void);
|
|
int pm_dumpcore(endpoint_t proc_e, int sig, vir_bytes exe_name);
|
|
void ds_event(void);
|
|
|
|
/* mount.c */
|
|
int do_fsready(void);
|
|
int do_mount(void);
|
|
int do_umount(void);
|
|
int is_nonedev(dev_t dev);
|
|
void mount_pfs(void);
|
|
int mount_fs(dev_t dev, char fullpath[PATH_MAX+1], endpoint_t fs_e, int
|
|
rdonly, char mount_label[LABEL_MAX]);
|
|
int unmount(dev_t dev, char *label);
|
|
void unmount_all(void);
|
|
|
|
/* open.c */
|
|
int do_close(void);
|
|
int close_fd(struct fproc *rfp, int fd_nr);
|
|
void close_reply(void);
|
|
int common_open(char path[PATH_MAX], int oflags, mode_t omode);
|
|
int do_creat(void);
|
|
int do_lseek(void);
|
|
int do_llseek(void);
|
|
int do_mknod(void);
|
|
int do_mkdir(void);
|
|
int do_open(void);
|
|
int do_slink(void);
|
|
int do_vm_open(void);
|
|
int do_vm_close(void);
|
|
|
|
/* path.c */
|
|
struct vnode *advance(struct vnode *dirp, struct lookup *resolve, struct
|
|
fproc *rfp);
|
|
struct vnode *eat_path(struct lookup *resolve, struct fproc *rfp);
|
|
struct vnode *last_dir(struct lookup *resolve, struct fproc *rfp);
|
|
void lookup_init(struct lookup *resolve, char *path, int flags, struct
|
|
vmnt **vmp, struct vnode **vp);
|
|
int get_name(struct vnode *dirp, struct vnode *entry, char *_name);
|
|
int canonical_path(char *orig_path, struct fproc *rfp);
|
|
int do_check_perms(void);
|
|
|
|
/* pipe.c */
|
|
int do_pipe(void);
|
|
int map_vnode(struct vnode *vp, endpoint_t fs_e);
|
|
void unpause(int proc_nr_e);
|
|
int pipe_check(struct vnode *vp, int rw_flag, int oflags, int bytes,
|
|
u64_t position, int notouch);
|
|
void release(struct vnode *vp, int call_nr, int count);
|
|
void revive(int proc_nr, int bytes);
|
|
void suspend(int task);
|
|
void pipe_suspend(struct filp *rfilp, char *buf, size_t size);
|
|
void unsuspend_by_endpt(endpoint_t);
|
|
void wait_for(endpoint_t);
|
|
#if DO_SANITYCHECKS
|
|
int check_pipe(void);
|
|
#endif
|
|
|
|
/* protect.c */
|
|
int do_access(void);
|
|
int do_chmod(void);
|
|
int do_chown(void);
|
|
int do_umask(void);
|
|
int forbidden(struct fproc *rfp, struct vnode *vp, mode_t
|
|
access_desired);
|
|
int read_only(struct vnode *vp);
|
|
|
|
/* read.c */
|
|
int do_read(void);
|
|
int do_getdents(void);
|
|
void lock_bsf(void);
|
|
void unlock_bsf(void);
|
|
int do_read_write(int rw_flag);
|
|
int read_write(int rw_flag, struct filp *f, char *buffer, size_t nbytes,
|
|
endpoint_t for_e);
|
|
int rw_pipe(int rw_flag, endpoint_t usr, struct filp *f, char *buf,
|
|
size_t req_size);
|
|
|
|
/* request.c */
|
|
int req_breadwrite(endpoint_t fs_e, endpoint_t user_e, dev_t dev, u64_t
|
|
pos, unsigned int num_of_bytes, char *user_addr, int rw_flag, u64_t
|
|
*new_posp, unsigned int *cum_iop);
|
|
int req_chmod(int fs_e, ino_t inode_nr, mode_t rmode, mode_t
|
|
*new_modep);
|
|
int req_chown(endpoint_t fs_e, ino_t inode_nr, uid_t newuid, gid_t
|
|
newgid, mode_t *new_modep);
|
|
int req_create(int fs_e, ino_t inode_nr, int omode, uid_t uid, gid_t
|
|
gid, char *path, node_details_t *res);
|
|
int req_flush(endpoint_t fs_e, dev_t dev);
|
|
int req_fstatfs(int fs_e, int who_e, char *buf);
|
|
int req_statvfs(int fs_e, int who_e, char *buf);
|
|
int req_ftrunc(endpoint_t fs_e, ino_t inode_nr, off_t start, off_t end);
|
|
int req_getdents(endpoint_t fs_e, ino_t inode_nr, u64_t pos, char *buf,
|
|
size_t size, u64_t *new_pos, int direct);
|
|
int req_inhibread(endpoint_t fs_e, ino_t inode_nr);
|
|
int req_link(endpoint_t fs_e, ino_t link_parent, char *lastc, ino_t
|
|
linked_file);
|
|
int req_lookup(endpoint_t fs_e, ino_t dir_ino, ino_t root_ino, uid_t
|
|
uid, gid_t gid, struct lookup *resolve, lookup_res_t *res, struct fproc
|
|
*rfp);
|
|
int req_mkdir(endpoint_t fs_e, ino_t inode_nr, char *lastc, uid_t uid,
|
|
gid_t gid, mode_t dmode);
|
|
int req_mknod(endpoint_t fs_e, ino_t inode_nr, char *lastc, uid_t uid,
|
|
gid_t gid, mode_t dmode, dev_t dev);
|
|
int req_mountpoint(endpoint_t fs_e, ino_t inode_nr);
|
|
int req_newnode(endpoint_t fs_e, uid_t uid, gid_t gid, mode_t dmode,
|
|
dev_t dev, struct node_details *res);
|
|
int req_putnode(int fs_e, ino_t inode_nr, int count);
|
|
int req_rdlink(endpoint_t fs_e, ino_t inode_nr, endpoint_t who_e, char
|
|
*buf, size_t len, int direct);
|
|
int req_readsuper(endpoint_t fs_e, char *driver_name, dev_t dev, int
|
|
readonly, int isroot, struct node_details *res_nodep, int *con_reqs);
|
|
int req_readwrite(endpoint_t fs_e, ino_t inode_nr, u64_t pos, int
|
|
rw_flag, endpoint_t user_e, char *user_addr, unsigned int num_of_bytes,
|
|
u64_t *new_posp, unsigned int *cum_iop);
|
|
int req_rename(endpoint_t fs_e, ino_t old_dir, char *old_name, ino_t
|
|
new_dir, char *new_name);
|
|
int req_rmdir(endpoint_t fs_e, ino_t inode_nr, char *lastc);
|
|
int req_slink(endpoint_t fs_e, ino_t inode_nr, char *lastc, endpoint_t
|
|
who_e, char *path_addr, unsigned short path_length, uid_t uid, gid_t
|
|
gid);
|
|
int req_stat(int fs_e, ino_t inode_nr, int who_e, char *buf, int pos,
|
|
int stat_version);
|
|
int req_sync(endpoint_t fs_e);
|
|
int req_unlink(endpoint_t fs_e, ino_t inode_nr, char *lastc);
|
|
int req_unmount(endpoint_t fs_e);
|
|
int req_utime(endpoint_t fs_e, ino_t inode_nr, time_t actime, time_t
|
|
modtime);
|
|
int req_newdriver(endpoint_t fs_e, dev_t dev, char *label);
|
|
|
|
/* stadir.c */
|
|
int do_chdir(void);
|
|
int do_fchdir(void);
|
|
int do_chroot(void);
|
|
int do_fstat(void);
|
|
int do_stat(void);
|
|
int do_fstatfs(void);
|
|
int do_statvfs(void);
|
|
int do_fstatvfs(void);
|
|
int do_rdlink(void);
|
|
int do_lstat(void);
|
|
|
|
/* time.c */
|
|
int do_utime(void);
|
|
|
|
/* tll.c */
|
|
void tll_downgrade(tll_t *tllp);
|
|
int tll_haspendinglock(tll_t *tllp);
|
|
void tll_init(tll_t *tllp);
|
|
int tll_islocked(tll_t *tllp);
|
|
int tll_lock(tll_t *tllp, tll_access_t locktype);
|
|
int tll_locked_by_me(tll_t *tllp);
|
|
void tll_lockstat(tll_t *tllp);
|
|
int tll_unlock(tll_t *tllp);
|
|
void tll_upgrade(tll_t *tllp);
|
|
|
|
/* utility.c */
|
|
time_t clock_time(void);
|
|
unsigned conv2(int norm, int w);
|
|
long conv4(int norm, long x);
|
|
int fetch_name(char *path, int len, int flag, char *dest);
|
|
int no_sys(void);
|
|
int isokendpt_f(char *f, int l, endpoint_t e, int *p, int ft);
|
|
int in_group(struct fproc *rfp, gid_t grp);
|
|
|
|
#define okendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 1)
|
|
#define isokendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 0)
|
|
|
|
/* vmnt.c */
|
|
void check_vmnt_locks(void);
|
|
void check_vmnt_locks_by_me(struct fproc *rfp);
|
|
void mark_vmnt_free(struct vmnt *vmp);
|
|
struct vmnt *get_free_vmnt(void);
|
|
struct vmnt *find_vmnt(endpoint_t fs_e);
|
|
struct vmnt *get_locked_vmnt(struct fproc *rfp);
|
|
void init_vmnts(void);
|
|
int lock_vmnt(struct vmnt *vp, tll_access_t locktype);
|
|
void unlock_vmnt(struct vmnt *vp);
|
|
void vmnt_unmap_by_endpt(endpoint_t proc_e);
|
|
|
|
/* vnode.c */
|
|
void check_vnode_locks(void);
|
|
void check_vnode_locks_by_me(struct fproc *rfp);
|
|
struct vnode *get_free_vnode(void);
|
|
struct vnode *find_vnode(int fs_e, int numb);
|
|
void init_vnodes(void);
|
|
int is_vnode_locked(struct vnode *vp);
|
|
int lock_vnode(struct vnode *vp, tll_access_t locktype);
|
|
void unlock_vnode(struct vnode *vp);
|
|
void dup_vnode(struct vnode *vp);
|
|
void put_vnode(struct vnode *vp);
|
|
void vnode_clean_refs(struct vnode *vp);
|
|
#if DO_SANITYCHECKS
|
|
int check_vrefs(void);
|
|
#endif
|
|
|
|
/* write.c */
|
|
int do_write(void);
|
|
|
|
/* gcov.c */
|
|
int do_gcov_flush(void);
|
|
#if ! USE_COVERAGE
|
|
#define do_gcov_flush no_sys
|
|
#endif
|
|
|
|
/* select.c */
|
|
int do_select(void);
|
|
void init_select(void);
|
|
void select_callback(struct filp *, int ops);
|
|
void select_forget(endpoint_t proc_e);
|
|
void select_reply1(endpoint_t driver_e, int minor, int status);
|
|
void select_reply2(endpoint_t driver_e, int minor, int status);
|
|
void select_timeout_check(timer_t *);
|
|
void select_unsuspend_by_endpt(endpoint_t proc);
|
|
|
|
/* worker.c */
|
|
int worker_available(void);
|
|
struct worker_thread *worker_get(thread_t worker_tid);
|
|
struct job *worker_getjob(thread_t worker_tid);
|
|
void worker_init(struct worker_thread *worker);
|
|
struct worker_thread *worker_self(void);
|
|
void worker_signal(struct worker_thread *worker);
|
|
void worker_start(void *(*func)(void *arg));
|
|
void worker_stop(struct worker_thread *worker);
|
|
void worker_stop_by_endpt(endpoint_t proc_e);
|
|
void worker_wait(void);
|
|
void sys_worker_start(void *(*func)(void *arg));
|
|
void dl_worker_start(void *(*func)(void *arg));
|
|
#endif
|