Re: question about values in /sys/block/???/device/type

From: Randy.Dunlap
Date: Sat Feb 11 2006 - 21:26:35 EST

On Sat, 11 Feb 2006 12:07:06 -0500 David Mansfield wrote:

> Hi,
> I'm trying to debug why my firewire harddrive is no longer handled by
> 'hald', and it seems that the value in /sys/block/sdb/device/type is 14
> (0x0e) and this is not a value handled by the program. It is expecting
> 0x00 for disk and 0x05 for cdrom.
> In the hald source (blockdev.c), there is a comment:
> /* These magic values are documented in the kernel source */
> and for the life of me I cannot find out where. You can't exactly grep
> for 0x0e and get anything meaningful!
> Does anyone know?
> BTW, I'm running the FC4 kernel: 2.6.15-1.1830_FC4 on ia32, if that
> matters.
> David Mansfieldq

include/scsi/scsi.h (hint: grepping in include/scsi for /type/ -i,
this took about 5 seconds to find)


#define TYPE_DISK 0x00
#define TYPE_TAPE 0x01
#define TYPE_PRINTER 0x02
#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
#define TYPE_WORM 0x04 /* Treated as ROM by our system */
#define TYPE_ROM 0x05
#define TYPE_SCANNER 0x06
#define TYPE_MOD 0x07 /* Magneto-optical disk -
* - treated as TYPE_DISK */
#define TYPE_COMM 0x09 /* Communications device */
#define TYPE_RAID 0x0c
#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
#define TYPE_RBC 0x0e
#define TYPE_NO_LUN 0x7f

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