xref: /titanic_41/usr/src/lib/libdtrace/common/io.d.in (revision 7ff178cd8db129d385d3177eb20744d3b6efc59b)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#pragma D depends_on module unix
29#pragma D depends_on provider io
30
31inline int B_BUSY = @B_BUSY@;
32#pragma D binding "1.0" B_BUSY
33inline int B_DONE = @B_DONE@;
34#pragma D binding "1.0" B_DONE
35inline int B_ERROR = @B_ERROR@;
36#pragma D binding "1.0" B_ERROR
37inline int B_PAGEIO = @B_PAGEIO@;
38#pragma D binding "1.0" B_PAGEIO
39inline int B_PHYS = @B_PHYS@;
40#pragma D binding "1.0" B_PHYS
41inline int B_READ = @B_READ@;
42#pragma D binding "1.0" B_READ
43inline int B_WRITE = @B_WRITE@;
44#pragma D binding "1.0" B_WRITE
45inline int B_ASYNC = @B_ASYNC@;
46#pragma D binding "1.0" B_ASYNC
47
48typedef struct bufinfo {
49	int b_flags;			/* buffer status */
50	size_t b_bcount;		/* number of bytes */
51	caddr_t b_addr;			/* buffer address */
52	uint64_t b_lblkno;		/* block # on device */
53	uint64_t b_blkno;		/* expanded block # on device */
54	size_t b_resid;			/* # of bytes not transferred */
55	size_t b_bufsize;		/* size of allocated buffer */
56	caddr_t b_iodone;		/* I/O completion routine */
57	int b_error;			/* expanded error field */
58	dev_t b_edev;			/* extended device */
59} bufinfo_t;
60
61#pragma D binding "1.0" translator
62translator bufinfo_t < struct buf *B > {
63	b_flags = B->b_flags;
64	b_addr = B->b_un.b_addr;
65	b_bcount = B->b_bcount;
66	b_lblkno = B->_b_blkno._f;
67	b_blkno = sizeof (long) == 8 ? B->_b_blkno._f : B->_b_blkno._p._l;
68	b_resid = B->b_resid;
69	b_bufsize = B->b_bufsize;
70	b_iodone = (caddr_t)B->b_iodone;
71	b_error = B->b_error;
72	b_edev = B->b_edev;
73};
74
75typedef struct devinfo {
76	int dev_major;			/* major number */
77	int dev_minor;			/* minor number */
78	int dev_instance;		/* instance number */
79	string dev_name;		/* name of device */
80	string dev_statname;		/* name of device + instance/minor */
81	string dev_pathname;		/* pathname of device */
82} devinfo_t;
83
84#pragma D binding "1.0" translator
85translator devinfo_t < struct buf *B > {
86	dev_major = B->b_dip != NULL ? getmajor(B->b_edev) :
87	    getmajor(B->b_file->v_vfsp->vfs_dev);
88	dev_minor = B->b_dip != NULL ? getminor(B->b_edev) :
89	    getminor(B->b_file->v_vfsp->vfs_dev);
90	dev_instance = B->b_dip == NULL ?
91	    getminor(B->b_file->v_vfsp->vfs_dev) :
92	    ((struct dev_info *)B->b_dip)->devi_instance;
93	dev_name = B->b_dip == NULL ? "nfs" :
94	    stringof(`devnamesp[getmajor(B->b_edev)].dn_name);
95	dev_statname = strjoin(B->b_dip == NULL ? "nfs" :
96	    stringof(`devnamesp[getmajor(B->b_edev)].dn_name),
97	    lltostr(B->b_dip == NULL ? getminor(B->b_file->v_vfsp->vfs_dev) :
98	    ((struct dev_info *)B->b_dip)->devi_instance == 0 &&
99	    ((struct dev_info *)B->b_dip)->devi_parent != NULL &&
100	    ((struct dev_info *)B->b_dip)->devi_parent->devi_node_name ==
101	    "pseudo" ? getminor(B->b_edev) :
102	    ((struct dev_info *)B->b_dip)->devi_instance));
103	dev_pathname = B->b_dip == NULL ? "<nfs>" :
104	    ddi_pathname(B->b_dip, getminor(B->b_edev));
105};
106
107typedef struct fileinfo {
108	string fi_name;			/* name (basename of fi_pathname) */
109	string fi_dirname;		/* directory (dirname of fi_pathname) */
110	string fi_pathname;		/* full pathname */
111	offset_t fi_offset;		/* offset within file */
112	string fi_fs;			/* filesystem */
113	string fi_mount;		/* mount point of file system */
114	int fi_oflags;			/* open(2) flags for file descriptor */
115} fileinfo_t;
116
117#pragma D binding "1.0" translator
118translator fileinfo_t < struct buf *B > {
119	fi_name = B->b_file == NULL ? "<none>" :
120	    B->b_file->v_path == NULL ? "<unknown>" :
121	    basename(cleanpath(B->b_file->v_path));
122	fi_dirname = B->b_file == NULL ? "<none>" :
123	    B->b_file->v_path == NULL ? "<unknown>" :
124	    dirname(cleanpath(B->b_file->v_path));
125	fi_pathname = B->b_file == NULL ? "<none>" :
126	    B->b_file->v_path == NULL ? "<unknown>" :
127	    cleanpath(B->b_file->v_path);
128	fi_offset = B->b_offset;
129	fi_fs = B->b_file == NULL ? "<none>" :
130	    stringof(B->b_file->v_op->vnop_name);
131	fi_mount = B->b_file == NULL ? "<none>" :
132	    B->b_file->v_vfsp->vfs_vnodecovered == NULL ? "/" :
133	    B->b_file->v_vfsp->vfs_vnodecovered->v_path == NULL ? "<unknown>" :
134	    cleanpath(B->b_file->v_vfsp->vfs_vnodecovered->v_path);
135	fi_oflags = 0;
136};
137
138/*
139 * The following inline constants can be used to examine fi_oflags when using
140 * the fds[] array or a translated fileinfo_t.  Note that the various open
141 * flags behave as a bit-field *except* for O_RDONLY, O_WRONLY, and O_RDWR.
142 * To test the open mode, you write code similar to that used with the fcntl(2)
143 * F_GET[X]FL command, such as: if ((fi_oflags & O_ACCMODE) == O_WRONLY).
144 */
145inline int O_ACCMODE = @O_ACCMODE@;
146#pragma D binding "1.1" O_ACCMODE
147
148inline int O_RDONLY = @O_RDONLY@;
149#pragma D binding "1.1" O_RDONLY
150inline int O_WRONLY = @O_WRONLY@;
151#pragma D binding "1.1" O_WRONLY
152inline int O_RDWR = @O_RDWR@;
153#pragma D binding "1.1" O_RDWR
154
155inline int O_APPEND = @O_APPEND@;
156#pragma D binding "1.1" O_APPEND
157inline int O_CREAT = @O_CREAT@;
158#pragma D binding "1.1" O_CREAT
159inline int O_DSYNC = @O_DSYNC@;
160#pragma D binding "1.1" O_DSYNC
161inline int O_EXCL = @O_EXCL@;
162#pragma D binding "1.1" O_EXCL
163inline int O_LARGEFILE = @O_LARGEFILE@;
164#pragma D binding "1.1" O_LARGEFILE
165inline int O_NOCTTY = @O_NOCTTY@;
166#pragma D binding "1.1" O_NOCTTY
167inline int O_NONBLOCK = @O_NONBLOCK@;
168#pragma D binding "1.1" O_NONBLOCK
169inline int O_NDELAY = @O_NDELAY@;
170#pragma D binding "1.1" O_NDELAY
171inline int O_RSYNC = @O_RSYNC@;
172#pragma D binding "1.1" O_RSYNC
173inline int O_SYNC = @O_SYNC@;
174#pragma D binding "1.1" O_SYNC
175inline int O_TRUNC = @O_TRUNC@;
176#pragma D binding "1.1" O_TRUNC
177inline int O_XATTR = @O_XATTR@;
178#pragma D binding "1.1" O_XATTR
179
180#pragma D binding "1.1" translator
181translator fileinfo_t < struct file *F > {
182	fi_name = F == NULL ? "<none>" :
183	    F->f_vnode->v_path == NULL ? "<unknown>" :
184	    basename(cleanpath(F->f_vnode->v_path));
185	fi_dirname = F == NULL ? "<none>" :
186	    F->f_vnode->v_path == NULL ? "<unknown>" :
187	    dirname(cleanpath(F->f_vnode->v_path));
188	fi_pathname = F == NULL ? "<none>" :
189	    F->f_vnode->v_path == NULL ? "<unknown>" :
190	    cleanpath(F->f_vnode->v_path);
191	fi_offset = F == NULL ? 0 : F->f_offset;
192	fi_fs = F == NULL ? "<none>" : stringof(F->f_vnode->v_op->vnop_name);
193	fi_mount = F == NULL ? "<none>" :
194	    F->f_vnode->v_vfsp->vfs_vnodecovered == NULL ? "/" :
195	    F->f_vnode->v_vfsp->vfs_vnodecovered->v_path == NULL ? "<unknown>" :
196	    cleanpath(F->f_vnode->v_vfsp->vfs_vnodecovered->v_path);
197	fi_oflags = F == NULL ? 0 : F->f_flag + (int)@FOPEN@;
198};
199
200inline fileinfo_t fds[int fd] = xlate <fileinfo_t> (
201    fd >= 0 && fd < curthread->t_procp->p_user.u_finfo.fi_nfiles ?
202    curthread->t_procp->p_user.u_finfo.fi_list[fd].uf_file : NULL);
203
204#pragma D attributes Stable/Stable/Common fds
205#pragma D binding "1.1" fds
206
207#pragma D binding "1.2" translator
208translator fileinfo_t < struct vnode *V > {
209	fi_name = V->v_path == NULL ? "<unknown>" :
210	    basename(cleanpath(V->v_path));
211	fi_dirname = V->v_path == NULL ? "<unknown>" :
212	    dirname(cleanpath(V->v_path));
213	fi_pathname = V->v_path == NULL ? "<unknown>" : cleanpath(V->v_path);
214	fi_fs = stringof(V->v_op->vnop_name);
215	fi_mount = V->v_vfsp->vfs_vnodecovered == NULL ? "/" :
216	    V->v_vfsp->vfs_vnodecovered->v_path == NULL ? "<unknown>" :
217	    cleanpath(V->v_vfsp->vfs_vnodecovered->v_path);
218};
219