diff options
Diffstat (limited to 'sys/arch/mvme88k/stand/libsa/dev_disk.c')
| -rw-r--r-- | sys/arch/mvme88k/stand/libsa/dev_disk.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/sys/arch/mvme88k/stand/libsa/dev_disk.c b/sys/arch/mvme88k/stand/libsa/dev_disk.c deleted file mode 100644 index 65c1db4ac64..00000000000 --- a/sys/arch/mvme88k/stand/libsa/dev_disk.c +++ /dev/null @@ -1,132 +0,0 @@ -/* $Id: dev_disk.c,v 1.1 1997/03/03 19:30:36 rahnds Exp $ */ - -/* - * Copyright (c) 1993 Paul Kranenburg - * All rights reserved. - * - * 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 by Paul Kranenburg. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. - */ - -/* - * This module implements a "raw device" interface suitable for - * use by the stand-alone I/O library UFS file-system code, and - * possibly for direct access (i.e. boot from tape). - * - * The implementation is deceptively simple because it uses the - * drivers provided by the Sun PROM monitor. Note that only the - * PROM driver used to load the boot program is available here. - */ - -#include <sys/types.h> -#include <machine/mon.h> -#include <machine/saio.h> - -#include "stand.h" - -#include "dvma.h" -#include "promdev.h" - -int -disk_open(f, devname) - struct open_file *f; - char *devname; /* Device part of file name (or NULL). */ -{ - struct saioreq *sip; - int error; - -#ifdef DEBUG_PROM - printf("disk_open: %s\n", devname); -#endif - - if ((error = prom_iopen(&sip)) != 0) - return (error); - - f->f_devdata = sip; - return 0; -} - -int -disk_close(f) - struct open_file *f; -{ - struct saioreq *sip; - - sip = f->f_devdata; - prom_iclose(sip); - f->f_devdata = NULL; - return 0; -} - -int -disk_strategy(devdata, flag, dblk, size, buf, rsize) - void *devdata; - int flag; - daddr_t dblk; - u_int size; - char *buf; - u_int *rsize; -{ - struct saioreq *si; - struct boottab *ops; - char *dmabuf; - int si_flag, xcnt; - - si = devdata; - ops = si->si_boottab; - -#ifdef DEBUG_PROM - printf("disk_strategy: size=%d dblk=%d\n", size, dblk); -#else - twiddle(); -#endif - - dmabuf = dvma_mapin(buf, size); - - si->si_bn = dblk; - si->si_ma = dmabuf; - si->si_cc = size; - - si_flag = (flag == F_READ) ? SAIO_F_READ : SAIO_F_WRITE; - xcnt = (*ops->b_strategy)(si, si_flag); - dvma_mapout(dmabuf, size); - -#ifdef DEBUG_PROM - printf("disk_strategy: xcnt = %x\n", xcnt); -#endif - - if (xcnt <= 0) - return (EIO); - - *rsize = xcnt; - return (0); -} - -int -disk_ioctl() -{ - return EIO; -} - |