/* $NetBSD: linux_fdio.c,v 1.13.96.1 2022/08/03 11:11:32 martin Exp $ */ /* * Copyright (c) 2000 Wasabi Systems, Inc. * All rights reserved. * * Written by Frank van der Linden for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: linux_fdio.c,v 1.13.96.1 2022/08/03 11:11:32 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int linux_ioctl_fdio(struct lwp *l, const struct linux_sys_ioctl_args *uap, register_t *retval) { file_t *fp; int error; int (*ioctlf)(file_t *, u_long, void *); u_long com; struct fdformat_parms fparams; struct linux_floppy_struct lflop; struct linux_floppy_drive_struct ldrive; com = (u_long)SCARG(uap, data); if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) return (EBADF); com = SCARG(uap, com); ioctlf = fp->f_ops->fo_ioctl; retval[0] = error = 0; switch (com) { case LINUX_FDMSGON: case LINUX_FDMSGOFF: case LINUX_FDTWADDLE: case LINUX_FDCLRPRM: /* whatever you say */ break; case LINUX_FDPOLLDRVSTAT: /* * Just fill in some innocent defaults. */ memset(&ldrive, 0, sizeof ldrive); ldrive.fd_ref = 1; ldrive.maxblock = 2; ldrive.maxtrack = ldrive.track = 1; ldrive.flags = LINUX_FD_DISK_WRITABLE; error = copyout(&ldrive, SCARG(uap, data), sizeof ldrive); break; case LINUX_FDGETPRM: error = ioctlf(fp, FDIOCGETFORMAT, &fparams); if (error != 0) break; memset(&lflop, 0, sizeof(lflop)); lflop.size = fparams.ncyl * fparams.nspt * fparams.ntrk; lflop.sect = fparams.nspt; lflop.head = fparams.ntrk; lflop.track = fparams.ncyl; lflop.stretch = fparams.stepspercyl == 2 ? 1 : 0; lflop.fmt_gap = fparams.gaplen; /* * XXXX Use knowledge of floppy for these fields. * FDIOCGETFORMAT does not provide enough information. * It would be better to have FDIOCGETFORMAT return more * information. */ switch (fparams.xfer_rate) { case 500 * 1024: lflop.spec1 = 0xcf; lflop.gap = 0x1b; lflop.rate = FDC_500KBPS; break; case 300 * 1024: lflop.spec1 = 0xdf; lflop.gap = 0x23; lflop.rate = FDC_300KBPS; break; case 250 * 1024: lflop.spec1 = 0xdf; lflop.gap = 0x2a; lflop.rate = FDC_250KBPS; break; } error = copyout(&lflop, SCARG(uap, data), sizeof lflop); break; case LINUX_FDSETPRM: /* * Should use FDIOCSETFORMAT here, iff its interface * is extended. */ case LINUX_FDDEFPRM: case LINUX_FDFMTBEG: case LINUX_FDFMTTRK: case LINUX_FDFMTEND: case LINUX_FDSETEMSGTRESH: case LINUX_FDFLUSH: case LINUX_FDSETMAXERRS: case LINUX_FDGETMAXERRS: case LINUX_FDGETDRVTYP: case LINUX_FDSETDRVPRM: case LINUX_FDGETDRVPRM: case LINUX_FDGETDRVSTAT: case LINUX_FDRESET: case LINUX_FDGETFDCSTAT: case LINUX_FDWERRORCLR: case LINUX_FDWERRORGET: case LINUX_FDRAWCMD: case LINUX_FDEJECT: default: error = EINVAL; } fd_putfile(SCARG(uap, fd)); return 0; }