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procfs.h (84637) procfs.h (87321)
1/*
2 * Copyright (c) 1993 Jan-Simon Pendry
3 * Copyright (c) 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

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32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)procfs.h 8.9 (Berkeley) 5/14/95
38 *
39 * From:
1/*
2 * Copyright (c) 1993 Jan-Simon Pendry
3 * Copyright (c) 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

--- 23 unchanged lines hidden (view full) ---

32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)procfs.h 8.9 (Berkeley) 5/14/95
38 *
39 * From:
40 * $FreeBSD: head/sys/fs/procfs/procfs.h 84637 2001-10-07 20:08:42Z des $
40 * $FreeBSD: head/sys/fs/procfs/procfs.h 87321 2001-12-04 01:35:06Z des $
41 */
42
41 */
42
43/*
44 * The different types of node in a procfs filesystem
45 */
46typedef enum {
47 Proot, /* the filesystem root */
48 Pcurproc, /* symbolic link for curproc */
49 Pproc, /* a process-specific sub-directory */
50 Pfile, /* the executable file */
51 Pmem, /* the process's memory image */
52 Pregs, /* the process's register set */
53 Pfpregs, /* the process's FP register set */
54 Pdbregs, /* the process's debug register set */
55 Pctl, /* process control */
56 Pstatus, /* process status */
57 Pnote, /* process notifier */
58 Pnotepg, /* process group notifier */
59 Pmap, /* memory map */
60 Ptype, /* executable type */
61 Pcmdline, /* command line */
62 Prlimit /* resource limits */
63} pfstype;
64
65/*
66 * control data for the proc file system.
67 */
68struct pfsnode {
69 struct pfsnode *pfs_next; /* next on list */
70 struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
71 pfstype pfs_type; /* type of procfs node */
72 pid_t pfs_pid; /* associated process */
73 u_short pfs_mode; /* mode bits for stat() */
74 u_long pfs_flags; /* open flags */
75 u_long pfs_fileno; /* unique file id */
76 pid_t pfs_lockowner; /* pfs lock owner */
77};
78
79#define PROCFS_NOTELEN 64 /* max length of a note (/proc/$pid/note) */
80#define PROCFS_CTLLEN 8 /* max length of a ctl msg (/proc/$pid/ctl */
81#define PROCFS_NAMELEN 8 /* max length of a filename component */
82
83/*
84 * Kernel stuff follows
85 */
86#ifdef _KERNEL
43#ifdef _KERNEL
87#define CNEQ(cnp, s, len) \
88 ((cnp)->cn_namelen == (len) && \
89 (bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
90
44
91#define PROCFS_FILENO(pid, type) \
92 (((type) < Pproc) ? \
93 ((type) + 2) : \
94 ((((pid)+1) << 4) + ((int) (type))))
45int procfs_doproccmdline(PFS_FILL_ARGS);
46int procfs_doprocctl(PFS_FILL_ARGS);
47int procfs_doprocdbregs(PFS_FILL_ARGS);
48int procfs_doprocfpregs(PFS_FILL_ARGS);
49int procfs_doprocmap(PFS_FILL_ARGS);
50int procfs_doprocmem(PFS_FILL_ARGS);
51int procfs_doprocnote(PFS_FILL_ARGS);
52int procfs_doprocregs(PFS_FILL_ARGS);
53int procfs_doprocrlimit(PFS_FILL_ARGS);
54int procfs_doprocstatus(PFS_FILL_ARGS);
55int procfs_doproctype(PFS_FILL_ARGS);
56int procfs_ioctl(PFS_IOCTL_ARGS);
57int procfs_close(PFS_CLOSE_ARGS);
95
58
96/*
97 * Convert between pfsnode vnode
98 */
99#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
100#define PFSTOV(pfs) ((pfs)->pfs_vnode)
59/* Return 1 if process has special kernel digging privileges */
60int procfs_kmemaccess(struct proc *);
101
61
102typedef struct vfs_namemap vfs_namemap_t;
103struct vfs_namemap {
104 const char *nm_name;
105 int nm_val;
106};
62/* Attributes */
63int procfs_attr(PFS_ATTR_ARGS);
107
64
108int vfs_getuserstr __P((struct uio *, char *, int *));
109vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int));
65/* Visbility */
66int procfs_notsystem(PFS_VIS_ARGS);
67int procfs_candebug(PFS_VIS_ARGS);
110
68
111/* <machine/reg.h> */
112struct reg;
113struct fpreg;
114struct dbreg;
115
116#define PFIND(pid) (pfind(pid))
117
118void procfs_exit __P((struct proc *));
119int procfs_freevp __P((struct vnode *));
120int procfs_allocvp __P((struct mount *, struct vnode **, long, pfstype));
121int procfs_donote __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
122int procfs_doregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
123int procfs_dofpregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
124int procfs_dodbregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
125int procfs_domem __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
126int procfs_doctl __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
127int procfs_dostatus __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
128int procfs_domap __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
129int procfs_dotype __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
130int procfs_docmdline __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
131int procfs_dorlimit __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
132
133/* functions to check whether or not files should be displayed */
134int procfs_validfile __P((struct thread *));
135int procfs_validfpregs __P((struct thread *));
136int procfs_validregs __P((struct thread *));
137int procfs_validdbregs __P((struct thread *));
138int procfs_validmap __P((struct thread *));
139int procfs_validtype __P((struct thread *));
140
141#define PROCFS_LOCKED 0x01
142#define PROCFS_WANT 0x02
143
144extern vop_t **procfs_vnodeop_p;
145
146int procfs_root __P((struct mount *, struct vnode **));
147int procfs_rw __P((struct vop_read_args *));
148#endif /* _KERNEL */
69#endif /* _KERNEL */