Annotation of sys/compat/linux/linux_fdio.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: linux_fdio.c,v 1.6 2002/03/14 01:26:50 millert Exp $ */
2: /* $NetBSD: linux_fdio.c,v 1.1 2000/12/10 14:12:16 fvdl Exp $ */
3:
4: /*
5: * Copyright (c) 2000 Wasabi Systems, Inc.
6: * All rights reserved.
7: *
8: * Written by Frank van der Linden for Wasabi Systems, Inc.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed for the NetBSD Project by
21: * Wasabi Systems, Inc.
22: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
23: * or promote products derived from this software without specific prior
24: * written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
39: #include <sys/param.h>
40: #include <sys/systm.h>
41: #include <sys/ioctl.h>
42: #include <sys/file.h>
43: #include <sys/filedesc.h>
44: #include <sys/mount.h>
45: #include <sys/proc.h>
46: #include <sys/disklabel.h>
47:
48: #include <sys/syscallargs.h>
49:
50: #include <dev/isa/fdreg.h>
51:
52: #include <compat/linux/linux_types.h>
53: #include <compat/linux/linux_ioctl.h>
54: #include <compat/linux/linux_signal.h>
55: #include <compat/linux/linux_util.h>
56: #include <compat/linux/linux_fdio.h>
57:
58: #include <machine/ioctl_fd.h>
59:
60: #include <compat/linux/linux_syscallargs.h>
61:
62: int
63: linux_ioctl_fdio(struct proc *p, struct linux_sys_ioctl_args *uap,
64: register_t *retval)
65: {
66: struct filedesc *fdp;
67: struct file *fp;
68: int error;
69: int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
70: u_long com;
71: struct fd_type fparams;
72: struct linux_floppy_struct lflop;
73: struct linux_floppy_drive_struct ldrive;
74:
75: com = (u_long)SCARG(uap, data);
76:
77: fdp = p->p_fd;
78: if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
79: return (EBADF);
80:
81: FREF(fp);
82: com = SCARG(uap, com);
83: ioctlf = fp->f_ops->fo_ioctl;
84:
85: retval[0] = error = 0;
86:
87: switch (com) {
88: case LINUX_FDMSGON:
89: case LINUX_FDMSGOFF:
90: case LINUX_FDTWADDLE:
91: case LINUX_FDCLRPRM:
92: /* whatever you say */
93: break;
94: case LINUX_FDPOLLDRVSTAT:
95: /*
96: * Just fill in some innocent defaults.
97: */
98: memset(&ldrive, 0, sizeof ldrive);
99: ldrive.fd_ref = 1;
100: ldrive.maxblock = 2;
101: ldrive.maxtrack = ldrive.track = 1;
102: ldrive.flags = LINUX_FD_DISK_WRITABLE;
103: error = copyout(&ldrive, SCARG(uap, data), sizeof ldrive);
104: break;
105: case LINUX_FDGETPRM:
106: error = ioctlf(fp, FD_GTYPE, (caddr_t)&fparams, p);
107: if (error != 0)
108: break;
109: lflop.size = fparams.heads * fparams.sectrac * fparams.tracks;
110: lflop.sect = fparams.sectrac;
111: lflop.head = fparams.heads;
112: lflop.track = fparams.tracks;
113: lflop.stretch = fparams.step == 2 ? 1 : 0;
114: lflop.spec1 = fparams.steprate;
115: lflop.gap = fparams.gap1;
116: lflop.fmt_gap = fparams.gap2;
117: lflop.rate = fparams.rate;
118:
119: error = copyout(&lflop, SCARG(uap, data), sizeof lflop);
120: break;
121: case LINUX_FDSETPRM:
122: /*
123: * Should use FDIOCSETFORMAT here, iff its interface
124: * is extended.
125: */
126: case LINUX_FDDEFPRM:
127: case LINUX_FDFMTBEG:
128: case LINUX_FDFMTTRK:
129: case LINUX_FDFMTEND:
130: case LINUX_FDSETEMSGTRESH:
131: case LINUX_FDFLUSH:
132: case LINUX_FDSETMAXERRS:
133: case LINUX_FDGETMAXERRS:
134: case LINUX_FDGETDRVTYP:
135: case LINUX_FDSETDRVPRM:
136: case LINUX_FDGETDRVPRM:
137: case LINUX_FDGETDRVSTAT:
138: case LINUX_FDRESET:
139: case LINUX_FDGETFDCSTAT:
140: case LINUX_FDWERRORCLR:
141: case LINUX_FDWERRORGET:
142: case LINUX_FDRAWCMD:
143: case LINUX_FDEJECT:
144: default:
145: error = EINVAL;
146: }
147:
148: FRELE(fp);
149: return 0;
150: }
CVSweb