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9f2c359f16
some realted minor bugs in PS3 internal storage support. Submitted by: glevand <geoffrey.levand@mail.ru> Approved by: re (bz)
155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/*-
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* Copyright (C) 2011 glevand <geoffrey.levand@mail.ru>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <machine/stdarg.h>
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#include <stand.h>
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#include "bootstrap.h"
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#include "ps3bus.h"
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#include "ps3devdesc.h"
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#include "ps3stor.h"
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#define dev_printf(dev, fmt, args...) \
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printf("%s%d: " fmt "\n", dev->d_dev->dv_name, dev->d_unit, ##args)
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#ifdef CD_DEBUG
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#define DEBUG(fmt, args...) printf("%s:%d: " fmt "\n", __func__, __LINE__, ##args)
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#else
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#define DEBUG(fmt, args...)
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#endif
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static int ps3cdrom_init(void);
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static int ps3cdrom_strategy(void *devdata, int flag, daddr_t dblk,
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size_t size, char *buf, size_t *rsize);
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static int ps3cdrom_open(struct open_file *f, ...);
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static int ps3cdrom_close(struct open_file *f);
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static void ps3cdrom_print(int verbose);
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struct devsw ps3cdrom = {
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"cd",
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DEVT_CD,
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ps3cdrom_init,
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ps3cdrom_strategy,
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ps3cdrom_open,
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ps3cdrom_close,
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noioctl,
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ps3cdrom_print,
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};
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static struct ps3_stordev stor_dev;
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static int ps3cdrom_init(void)
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{
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int err;
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err = ps3stor_setup(&stor_dev, PS3_DEV_TYPE_STOR_CDROM);
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if (err)
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return err;
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return 0;
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}
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static int ps3cdrom_strategy(void *devdata, int flag, daddr_t dblk,
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size_t size, char *buf, size_t *rsize)
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{
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struct ps3_devdesc *dev = (struct ps3_devdesc *) devdata;
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int err;
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DEBUG("d_unit=%u dblk=%llu size=%u", dev->d_unit, dblk, size);
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if (flag != F_READ) {
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dev_printf(dev, "write operation is not supported!");
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return EROFS;
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}
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if (dblk % (stor_dev.sd_blksize / DEV_BSIZE) != 0)
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return EINVAL;
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dblk /= (stor_dev.sd_blksize / DEV_BSIZE);
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if (size % stor_dev.sd_blksize) {
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dev_printf(dev,
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"size=%u is not multiple of device block size=%llu", size,
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stor_dev.sd_blksize);
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return EINVAL;
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}
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if (rsize)
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*rsize = 0;
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err = ps3stor_read_sectors(&stor_dev, dev->d_unit, dblk,
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size / stor_dev.sd_blksize, 0, buf);
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if (!err && rsize)
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*rsize = size;
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if (err)
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dev_printf(dev,
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"read operation failed dblk=%llu size=%d err=%d", dblk,
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size, err);
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return err;
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}
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static int ps3cdrom_open(struct open_file *f, ...)
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{
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char buf[2048];
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va_list ap;
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struct ps3_devdesc *dev;
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int err;
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va_start(ap, f);
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dev = va_arg(ap, struct ps3_devdesc *);
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va_end(ap);
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if (dev->d_unit > 0) {
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dev_printf(dev, "attempt to open nonexistent disk");
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return ENXIO;
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}
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err = ps3stor_read_sectors(&stor_dev, dev->d_unit, 16, 1, 0, buf);
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if (err)
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return EIO;
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/* Do not attach if not ISO9660 (workaround for buggy firmware) */
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if (memcmp(buf, "\001CD001", 6) != 0)
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return EIO;
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return 0;
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}
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static int ps3cdrom_close(struct open_file *f)
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{
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return 0;
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}
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static void ps3cdrom_print(int verbose)
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{
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}
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