b31119abf5
- allow mounting with "none" block device - allow unmounting by mountpoint - make VFS aware of file system process labels - allow m3_ca1 to use the full available message size - use *printf in u/mount(1), as mount(2) uses it already - fix reference leaks for some mount error cases in VFS
274 lines
11 KiB
C
274 lines
11 KiB
C
/* Function prototypes. */
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#include "timers.h"
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#include "request.h"
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/* Structs used in prototypes must be declared as such first. */
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struct filp;
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struct fproc;
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struct vmnt;
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struct vnode;
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/* device.c */
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_PROTOTYPE( int dev_open, (Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int dev_reopen, (Dev_t dev, int filp_no, int flags) );
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_PROTOTYPE( int dev_close, (Dev_t dev, int filp_no) );
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_PROTOTYPE( int dev_io, (int op, Dev_t dev, int proc, void *buf,
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u64_t pos, int bytes, int flags, int suspend_reopen) );
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_PROTOTYPE( int gen_opcl, (int op, Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int gen_io, (int task_nr, message *mess_ptr) );
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_PROTOTYPE( int asyn_io, (int task_nr, message *mess_ptr) );
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_PROTOTYPE( int no_dev, (int op, Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int no_dev_io, (int, message *) );
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_PROTOTYPE( int tty_opcl, (int op, Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int ctty_opcl, (int op, Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int clone_opcl, (int op, Dev_t dev, int proc, int flags) );
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_PROTOTYPE( int ctty_io, (int task_nr, message *mess_ptr) );
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_PROTOTYPE( int do_ioctl, (void) );
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_PROTOTYPE( void pm_setsid, (int proc_e) );
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_PROTOTYPE( void dev_status, (message *) );
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_PROTOTYPE( void dev_up, (int major) );
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_PROTOTYPE( endpoint_t suspended_ep, (endpoint_t driver,
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cp_grant_id_t g) );
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_PROTOTYPE( void reopen_reply, (void) );
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/* dmap.c */
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_PROTOTYPE( int do_mapdriver, (void) );
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_PROTOTYPE( void build_dmap, (void) );
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_PROTOTYPE( int map_driver, (char *label, int major, int proc_nr,
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int dev_style, int force) );
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_PROTOTYPE( int dmap_driver_match, (endpoint_t proc, int major) );
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_PROTOTYPE( void dmap_unmap_by_endpt, (int proc_nr) );
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_PROTOTYPE( void dmap_endpt_up, (int proc_nr) );
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/* exec.c */
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_PROTOTYPE( int pm_exec, (int proc_e, char *path, vir_bytes path_len,
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char *frame, vir_bytes frame_len) );
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/* filedes.c */
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_PROTOTYPE( struct filp *find_filp, (struct vnode *vp, mode_t bits) );
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_PROTOTYPE( int get_fd, (int start, mode_t bits, int *k,
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struct filp **fpt) );
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_PROTOTYPE( struct filp *get_filp, (int fild) );
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_PROTOTYPE( struct filp *get_filp2, (struct fproc *rfp, int fild) );
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_PROTOTYPE( int invalidate, (struct filp *) );
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/* fscall.c */
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_PROTOTYPE( void nested_fs_call, (message *m) );
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/* link.c */
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_PROTOTYPE( int do_link, (void) );
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_PROTOTYPE( int do_unlink, (void) );
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_PROTOTYPE( int do_rename, (void) );
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_PROTOTYPE( int do_truncate, (void) );
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_PROTOTYPE( int do_ftruncate, (void) );
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_PROTOTYPE( int truncate_vnode, (struct vnode *vp, off_t newsize) );
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/* lock.c */
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_PROTOTYPE( int lock_op, (struct filp *f, int req) );
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_PROTOTYPE( void lock_revive, (void) );
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/* main.c */
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_PROTOTYPE( int main, (void) );
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_PROTOTYPE( void reply, (int whom, int result) );
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/* misc.c */
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_PROTOTYPE( int do_dup, (void) );
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_PROTOTYPE( void pm_exit, (int proc) );
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_PROTOTYPE( int do_fcntl, (void) );
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_PROTOTYPE( void pm_fork, (int pproc, int cproc, int cpid) );
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_PROTOTYPE( void pm_setgid, (int proc_e, int egid, int rgid) );
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_PROTOTYPE( void pm_setuid, (int proc_e, int euid, int ruid) );
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_PROTOTYPE( void pm_setgroups, (int proc_e, int ngroups, gid_t *addr) );
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_PROTOTYPE( int do_sync, (void) );
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_PROTOTYPE( int do_fsync, (void) );
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_PROTOTYPE( void pm_reboot, (void) );
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_PROTOTYPE( int do_svrctl, (void) );
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_PROTOTYPE( int do_getsysinfo, (void) );
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_PROTOTYPE( int pm_dumpcore, (int proc_e, struct mem_map *seg_ptr) );
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/* mmap.c */
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_PROTOTYPE( int do_vm_mmap, (void) );
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/* mount.c */
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_PROTOTYPE( int do_fslogin, (void) );
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_PROTOTYPE( int do_mount, (void) );
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_PROTOTYPE( int do_umount, (void) );
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_PROTOTYPE( int unmount, (Dev_t dev, char *label) );
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/* open.c */
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_PROTOTYPE( int do_close, (void) );
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_PROTOTYPE( int close_fd, (struct fproc *rfp, int fd_nr) );
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_PROTOTYPE( void close_filp, (struct filp *fp) );
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_PROTOTYPE( void close_reply, (void) );
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_PROTOTYPE( int do_creat, (void) );
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_PROTOTYPE( int do_lseek, (void) );
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_PROTOTYPE( int do_llseek, (void) );
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_PROTOTYPE( int do_mknod, (void) );
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_PROTOTYPE( int do_mkdir, (void) );
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_PROTOTYPE( int do_open, (void) );
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_PROTOTYPE( int do_slink, (void) );
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_PROTOTYPE( int do_vm_open, (void) );
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_PROTOTYPE( int do_vm_close, (void) );
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/* path.c */
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_PROTOTYPE( struct vnode *advance, (struct vnode *dirp, int flags) );
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_PROTOTYPE( struct vnode *eat_path, (int flags) );
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_PROTOTYPE( struct vnode *last_dir, (void) );
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/* pipe.c */
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_PROTOTYPE( int do_pipe, (void) );
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_PROTOTYPE( int map_vnode, (struct vnode *vp) );
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_PROTOTYPE( void unpause, (int proc_nr_e) );
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_PROTOTYPE( int pipe_check, (struct vnode *vp, int rw_flag,
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int oflags, int bytes, u64_t position, int notouch) );
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_PROTOTYPE( void release, (struct vnode *vp, int call_nr, int count) );
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_PROTOTYPE( void revive, (int proc_nr, int bytes) );
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_PROTOTYPE( void suspend, (int task) );
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_PROTOTYPE( void pipe_suspend, (int rw_flag, int fd_nr, char *buf,
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size_t size) );
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_PROTOTYPE( int select_request_pipe, (struct filp *f, int *ops, int bl) );
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_PROTOTYPE( int select_match_pipe, (struct filp *f) );
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_PROTOTYPE( void unsuspend_by_endpt, (endpoint_t) );
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_PROTOTYPE( void select_reply1, (void) );
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_PROTOTYPE( void select_reply2, (void) );
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_PROTOTYPE( void wait_for, (endpoint_t) );
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#if DO_SANITYCHECKS
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_PROTOTYPE( int check_pipe, (void) );
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#endif
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/* protect.c */
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_PROTOTYPE( int do_access, (void) );
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_PROTOTYPE( int do_chmod, (void) );
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_PROTOTYPE( int do_chown, (void) );
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_PROTOTYPE( int do_umask, (void) );
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_PROTOTYPE( int forbidden, (struct vnode *vp, mode_t access_desired) );
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_PROTOTYPE( int read_only, (struct vnode *vp) );
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/* read.c */
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_PROTOTYPE( int do_read, (void) );
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_PROTOTYPE( int do_getdents, (void) );
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_PROTOTYPE( int read_write, (int rw_flag) );
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_PROTOTYPE( int rw_pipe, (int rw_flag, endpoint_t usr,
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int fd_nr, struct filp *f, char *buf, size_t req_size) );
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/* request.c */
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_PROTOTYPE( int req_breadwrite, (endpoint_t fs_e, endpoint_t user_e,
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Dev_t dev, u64_t pos, unsigned int num_of_bytes,
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char *user_addr, int rw_flag,
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u64_t *new_posp, unsigned int *cum_iop) );
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_PROTOTYPE( int req_chmod, (int fs_e, ino_t inode_nr, _mnx_Mode_t rmode,
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mode_t *new_modep) );
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_PROTOTYPE( int req_chown, (endpoint_t fs_e, ino_t inode_nr,
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_mnx_Uid_t newuid, _mnx_Gid_t newgid, mode_t *new_modep) );
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_PROTOTYPE( int req_create, (int fs_e, ino_t inode_nr, int omode,
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int uid, int gid, char *path, node_details_t *res) );
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_PROTOTYPE( int req_flush, (endpoint_t fs_e, Dev_t dev) );
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_PROTOTYPE( int req_fstatfs, (int fs_e, int who_e, char *buf) );
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_PROTOTYPE( int req_ftrunc, (endpoint_t fs_e, ino_t inode_nr,
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off_t start, off_t end) );
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_PROTOTYPE( int req_getdents, (endpoint_t fs_e, ino_t inode_nr, u64_t pos,
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char *buf, size_t size, u64_t *new_pos) );
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_PROTOTYPE( int req_inhibread, (endpoint_t fs_e, ino_t inode_nr) );
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_PROTOTYPE( int req_link, (endpoint_t fs_e, ino_t link_parent,
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char *lastc, ino_t linked_file) );
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_PROTOTYPE( int req_lookup, (endpoint_t fs_e, ino_t dir_ino, ino_t root_ino,
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_mnx_Uid_t uid, _mnx_Gid_t gid, int flags,
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lookup_res_t *res) );
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_PROTOTYPE( int req_mkdir, (endpoint_t fs_e, ino_t inode_nr,
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char *lastc, _mnx_Uid_t uid, _mnx_Gid_t gid, _mnx_Mode_t dmode) );
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_PROTOTYPE( int req_mknod, (endpoint_t fs_e, ino_t inode_nr,
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char *lastc, _mnx_Uid_t uid, _mnx_Gid_t gid,
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_mnx_Mode_t dmode, Dev_t dev) );
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_PROTOTYPE( int req_mountpoint, (endpoint_t fs_e, ino_t inode_nr) );
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_PROTOTYPE( int req_newnode, (endpoint_t fs_e, _mnx_Uid_t uid,
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_mnx_Gid_t gid, _mnx_Mode_t dmode,
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Dev_t dev, struct node_details *res) );
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_PROTOTYPE( int req_putnode, (int fs_e, ino_t inode_nr, int count) );
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_PROTOTYPE( int req_rdlink, (endpoint_t fs_e, ino_t inode_nr,
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endpoint_t who_e, char *buf, size_t len) );
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_PROTOTYPE( int req_readsuper, (endpoint_t fs_e, char *driver_name,
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Dev_t dev, int readonly, int isroot,
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struct node_details *res_nodep) );
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_PROTOTYPE( int req_readwrite, (endpoint_t fs_e, ino_t inode_nr,
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u64_t pos, int rw_flag,
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endpoint_t user_e, char *user_addr,
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unsigned int num_of_bytes, u64_t *new_posp,
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unsigned int *cum_iop) );
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_PROTOTYPE( int req_rename, (endpoint_t fs_e, ino_t old_dir,
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char *old_name, ino_t new_dir, char *new_name) );
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_PROTOTYPE( int req_rmdir, (endpoint_t fs_e, ino_t inode_nr,
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char *lastc) );
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_PROTOTYPE(int req_slink, (endpoint_t fs_e, ino_t inode_nr, char *lastc,
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endpoint_t who_e, char *path_addr,
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int path_length, _mnx_Uid_t uid, _mnx_Gid_t gid) );
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_PROTOTYPE( int req_stat, (int fs_e, ino_t inode_nr, int who_e,
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char *buf, int pos) );
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_PROTOTYPE( int req_sync, (endpoint_t fs_e) );
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_PROTOTYPE( int req_unlink, (endpoint_t fs_e, ino_t inode_nr,
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char *lastc) );
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_PROTOTYPE( int req_unmount, (endpoint_t fs_e) );
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_PROTOTYPE( int req_utime, (endpoint_t fs_e, ino_t inode_nr,
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time_t actime, time_t modtime) );
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_PROTOTYPE( int req_newdriver, (endpoint_t fs_e, Dev_t dev,
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endpoint_t driver_e) );
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/* stadir.c */
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_PROTOTYPE( int do_chdir, (void) );
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_PROTOTYPE( int do_fchdir, (void) );
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_PROTOTYPE( int do_chroot, (void) );
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_PROTOTYPE( int do_fstat, (void) );
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_PROTOTYPE( int do_stat, (void) );
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_PROTOTYPE( int do_fstatfs, (void) );
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_PROTOTYPE( int do_rdlink, (void) );
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_PROTOTYPE( int do_lstat, (void) );
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/* time.c */
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_PROTOTYPE( int do_utime, (void) );
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/* utility.c */
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_PROTOTYPE( time_t clock_time, (void) );
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_PROTOTYPE( unsigned conv2, (int norm, int w) );
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_PROTOTYPE( long conv4, (int norm, long x) );
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_PROTOTYPE( int fetch_name, (char *path, int len, int flag) );
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_PROTOTYPE( int no_sys, (void) );
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_PROTOTYPE( int isokendpt_f, (char *f, int l, int e, int *p, int ft));
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_PROTOTYPE( void panic, (char *who, char *mess, int num) );
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#define okendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 1)
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#define isokendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 0)
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/* vmnt.c */
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_PROTOTYPE( struct vmnt *get_free_vmnt, (short *index) );
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_PROTOTYPE( struct vmnt *find_vmnt, (int fs_e) );
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/* vnode.c */
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_PROTOTYPE( struct vnode *get_free_vnode, (void) );
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_PROTOTYPE( struct vnode *find_vnode, (int fs_e, int numb) );
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_PROTOTYPE( void dup_vnode, (struct vnode *vp) );
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_PROTOTYPE( void put_vnode, (struct vnode *vp) );
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_PROTOTYPE( void vnode_clean_refs, (struct vnode *vp) );
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#if DO_SANITYCHECKS
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_PROTOTYPE( int check_vrefs, (void) );
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#endif
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/* write.c */
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_PROTOTYPE( int do_write, (void) );
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/* select.c */
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_PROTOTYPE( int do_select, (void) );
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_PROTOTYPE( int select_callback, (struct filp *, int ops) );
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_PROTOTYPE( void select_forget, (int fproc) );
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_PROTOTYPE( void select_timeout_check, (timer_t *) );
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_PROTOTYPE( void init_select, (void) );
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_PROTOTYPE( void select_unsuspend_by_endpt, (endpoint_t proc) );
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_PROTOTYPE( int select_notified, (int major, int minor, int ops) );
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/* timers.c */
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_PROTOTYPE( void fs_set_timer, (timer_t *tp, int delta,
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tmr_func_t watchdog, int arg) );
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_PROTOTYPE( void fs_expire_timers, (clock_t now) );
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_PROTOTYPE( void fs_cancel_timer, (timer_t *tp) );
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_PROTOTYPE( void fs_init_timer, (timer_t *tp) );
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