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/*-
* Copyright (C) 2011 glevand <geoffrey.levand@mail.ru>
* 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.
*
* 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 TOOLS GMBH 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/endian.h>
#include <machine/stdarg.h>
#include <stand.h>
#include "bootstrap.h"
#include "ps3bus.h"
#include "ps3devdesc.h"
#include "ps3stor.h"
#define dev_printf(dev, fmt, args...) \
printf("%s%d: " fmt "\n", dev->d_dev->dv_name, dev->d_unit, ##args)
#ifdef CD_DEBUG
#define DEBUG(fmt, args...) printf("%s:%d: " fmt "\n", __func__, __LINE__, ##args)
#else
#define DEBUG(fmt, args...)
#endif
static int ps3cdrom_init(void);
static int ps3cdrom_strategy(void *devdata, int flag, daddr_t dblk,
size_t offset, size_t size, char *buf, size_t *rsize);
static int ps3cdrom_open(struct open_file *f, ...);
static int ps3cdrom_close(struct open_file *f);
static void ps3cdrom_print(int verbose);
struct devsw ps3cdrom = {
"cd",
DEVT_CD,
ps3cdrom_init,
ps3cdrom_strategy,
ps3cdrom_open,
ps3cdrom_close,
noioctl,
ps3cdrom_print,
};
static struct ps3_stordev stor_dev;
static int ps3cdrom_init(void)
{
int err;
err = ps3stor_setup(&stor_dev, PS3_DEV_TYPE_STOR_CDROM);
if (err)
return err;
return 0;
}
static int ps3cdrom_strategy(void *devdata, int flag, daddr_t dblk,
size_t offset, size_t size, char *buf, size_t *rsize)
{
struct ps3_devdesc *dev = (struct ps3_devdesc *) devdata;
int err;
DEBUG("d_unit=%u dblk=%llu size=%u", dev->d_unit, dblk, size);
if (flag != F_READ) {
dev_printf(dev, "write operation is not supported!");
return EROFS;
}
if (dblk % (stor_dev.sd_blksize / DEV_BSIZE) != 0)
return EINVAL;
dblk /= (stor_dev.sd_blksize / DEV_BSIZE);
if (size % stor_dev.sd_blksize) {
dev_printf(dev,
"size=%u is not multiple of device block size=%llu", size,
stor_dev.sd_blksize);
return EINVAL;
}
if (rsize)
*rsize = 0;
err = ps3stor_read_sectors(&stor_dev, dev->d_unit, dblk,
size / stor_dev.sd_blksize, 0, buf);
if (!err && rsize)
*rsize = size;
if (err)
dev_printf(dev,
"read operation failed dblk=%llu size=%d err=%d", dblk,
size, err);
return err;
}
static int ps3cdrom_open(struct open_file *f, ...)
{
char buf[2048];
va_list ap;
struct ps3_devdesc *dev;
int err;
va_start(ap, f);
dev = va_arg(ap, struct ps3_devdesc *);
va_end(ap);
if (dev->d_unit > 0) {
dev_printf(dev, "attempt to open nonexistent disk");
return ENXIO;
}
err = ps3stor_read_sectors(&stor_dev, dev->d_unit, 16, 1, 0, buf);
if (err)
return EIO;
/* Do not attach if not ISO9660 (workaround for buggy firmware) */
if (memcmp(buf, "\001CD001", 6) != 0)
return EIO;
return 0;
}
static int ps3cdrom_close(struct open_file *f)
{
return 0;
}
static void ps3cdrom_print(int verbose)
{
}
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