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SubjectRe: patch: atapi dvd-ram support

hdparm -r0 /dev/hdc

smsc:/proc/ide/hdc # cat model driver media
MATSHITADVD-RAM LF-D210
ide-cdrom version 4.99
cdrom

smsc:/proc/ide/hdc # hdparm -r0 /dev/hdc

/dev/hdc:
setting readonly to 0 (off)
readonly = 0 (off)

smsc:/ # mke2fs -b 2048 /dev/hdc -m 0
mke2fs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09
Filesystem label=
OS type: Linux
Block size=2048 (log=1)
Fragment size=2048 (log=1)
561152 inodes, 2236704 blocks
0 blocks (0.00%) reserved for the super user
First data block=0
137 block groups
16384 blocks per group, 16384 fragments per group
4096 inodes per group
Superblock backups stored on blocks:
16384, 49152, 81920, 114688, 147456, 409600, 442368, 802816, 1327104,
2048000

Writing inode tables: done
Writing superblocks and filesystem accounting information: done

That is how it is DONE!

On Sat, 28 Oct 2000, Hisaaki Shibata wrote:

> Hello
>
> I did patch 2.2.17 tree with dvd-ram-2217p17.diff.bz2.
>
> At that time, following patch is rejected.
> I think these lines should be removed from patchs.
>
> @@ -1329,7 +1369,7 @@
> static
> void cdrom_sleep (int time)
> {
> - current->state = TASK_INTERRUPTIBLE;
> + __set_current_state(TASK_INTERRUPTIBLE);
> schedule_timeout(time);
> }
>
> After removing these, I could make bzImage.
>
> But I could not mkudf nor mkext2fs to my ATAPI 9.4GB new DVD-RAM drive.
>
> dmesg shows;
> --------------------------------------------------------------------------
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> PIIX4: IDE controller on PCI bus 00 dev 39
> PIIX4: chipset revision 1
> PIIX4: not 100% native mode: will probe irqs later
> ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
> ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio
> PDC20262: IDE controller on PCI bus 00 dev 60
> PDC20262: chipset revision 1
> PDC20262: not 100% native mode: will probe irqs later
> PDC20262: ROM enabled at 0xe7000000
> PDC20262: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
> PDC20262: FORCING PRIMARY MODE BIT 0x00 -> 0x01 MASTER
> PDC20262: FORCING SECONDARY MODE BIT 0x00 -> 0x01 MASTER
> ide2: BM-DMA at 0xec00-0xec07, BIOS settings: hde:DMA, hdf:pio
> ide3: BM-DMA at 0xec08-0xec0f, BIOS settings: hdg:DMA, hdh:pio
> hdc: HITACHI DVD-RAM GF-2000, ATAPI CDROM drive
> hde: IBM-DTLA-305020, ATA DISK drive
> hdg: IBM-DTLA-305020, ATA DISK drive
> ide1 at 0x170-0x177,0x376 on irq 15
> ide2 at 0xdc00-0xdc07,0xe002 on irq 16
> ide3 at 0xe400-0xe407,0xe802 on irq 16
> hde: IBM-DTLA-305020, 19623MB w/380kB Cache, CHS=39870/16/63, UDMA(66)
> hdg: IBM-DTLA-305020, 19623MB w/380kB Cache, CHS=39870/16/63, UDMA(66)
>
> [SNIP]
>
> hdc: ATAPI DVD-ROM DVD-RAM drive, 512kB Cache, UDMA(33)
> Uniform CD-ROM driver Revision: 3.12
> VFS: Disk change detected on device ide1(22,0)
> Uniform CD-ROM driver unloaded
> --------------------------------------------------------------------------
>
> /proc/ide/hdc/media shows;
> cdrom
>
> How can I read/write DVD-RAM media like MO drive?
>
> I can read/write ATAPI 5.2GB DVD-RAM media with 2.2.16 ide-scsi mode in ext2fs.
>
> Best Regards,
>
>
> > I've put up patches for 2.2 and 2.4 adding native ATAPI dvd-ram support.
> > The 2.2 patch is completely untested, but the 2.4 version appears to
> > work well.
> >
> > *.kernel.org/pub/linux/kernel/people/axboe/dvdram
>
> --
> WWWWW shibata@luky.org
> |O-O| Hisaaki Shibata
> 0(mmm)0 P-mail: 070-5419-3233 IRC: #luky
> ~ http://his.luky.org/ last update:2000.3.12
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
>

Andre Hedrick
The Linux ATA/IDE guy

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