/* $NetBSD: devopen.c,v 1.10 2008/02/21 14:30:41 tsutsui Exp $ */
/*-
* Copyright (C) 1999 Tsubai Masanari. 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. 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.
*/
#include <lib/libkern/libkern.h>
#include <lib/libsa/stand.h>
#include <lib/libsa/ufs.h>
#include <lib/libsa/ustarfs.h>
#include <netinet/in.h>
#include <lib/libsa/nfs.h>
#include <machine/apcall.h>
#include <machine/romcall.h>
#include <promdev.h>
#ifdef BOOT_DEBUG
# define DPRINTF printf
#else
# define DPRINTF while (0) printf
#endif
int dkopen(struct open_file *, ...);
int dkclose(struct open_file *);
int dkstrategy(void *, int, daddr_t, size_t, void *, size_t *);
#ifdef HAVE_CHANGEDISK_HOOK
void changedisk_hook(struct open_file *);
#endif
struct devsw devsw[] = {
{ "dk", dkstrategy, dkopen, dkclose, noioctl }
};
int ndevs = __arraycount(devsw);
struct fs_ops file_system_ufs = FS_OPS(ufs);
struct fs_ops file_system_nfs = FS_OPS(nfs);
#ifdef SUPPORT_USTARFS
struct fs_ops file_system_ustarfs = FS_OPS(ustarfs);
struct fs_ops file_system[2];
#else
struct fs_ops file_system[1];
#endif
int nfsys;
struct romdev romdev;
extern int apbus;
int
devopen(struct open_file *f, const char *fname, char **file)
{
int fd;
char *cp;
int error = 0;
DPRINTF("devopen: %s\n", fname);
strcpy(romdev.devname, fname);
cp = strchr(romdev.devname, ')') + 1;
*cp = 0;
if (apbus)
fd = apcall_open(romdev.devname, 2);
else
fd = rom_open(romdev.devname, 2);
DPRINTF("devname = %s, fd = %d\n", romdev.devname, fd);
if (fd == -1)
return -1;
romdev.fd = fd;
if (strncmp(romdev.devname, "sonic", 5) == 0)
romdev.devtype = DT_NET;
else
romdev.devtype = DT_BLOCK;
f->f_dev = devsw;
f->f_devdata = &romdev;
*file = strchr(fname, ')') + 1;
if (romdev.devtype == DT_BLOCK) {
file_system[0] = file_system_ufs;
#ifdef SUPPORT_USTARFS
file_system[1] = file_system_ustarfs;
nfsys = 2;
#else
nfsys = 1;
#endif
} else { /* DT_NET */
file_system[0] = file_system_nfs;
nfsys = 1;
if ((error = net_open(&romdev)) != 0) {
printf("Can't open NFS network connection on `%s'\n",
romdev.devname);
return error;
}
}
return 0;
}
int
dkopen(struct open_file *f, ...)
{
DPRINTF("dkopen\n");
return 0;
}
int
dkclose(struct open_file *f)
{
struct romdev *dev = f->f_devdata;
DPRINTF("dkclose\n");
if (apbus)
apcall_close(dev->fd);
else
rom_close(dev->fd);
return 0;
}
int
dkstrategy(void *devdata, int rw, daddr_t blk, size_t size, void *buf,
size_t *rsize)
{
struct romdev *dev = devdata;
/* XXX should use partition offset */
if (apbus) {
apcall_lseek(dev->fd, blk * 512, 0);
apcall_read(dev->fd, buf, size);
} else {
rom_lseek(dev->fd, blk * 512, 0);
rom_read(dev->fd, buf, size);
}
*rsize = size; /* XXX */
return 0;
}
#ifdef HAVE_CHANGEDISK_HOOK
void
changedisk_hook(struct open_file *f)
{
struct romdev *dev = f->f_devdata;
if (apbus) {
apcall_ioctl(dev->fd, APIOCEJECT, NULL);
apcall_close(dev->fd);
getchar();
dev->fd = apcall_open(dev->devname, 2);
} else {
rom_ioctl(dev->fd, SYSIOCEJECT, NULL);
rom_close(dev->fd);
getchar();
dev->fd = rom_open(dev->devname, 2);
}
}
#endif
