How to send inquiry command to thorugh sd path (i.e. /dev/sda) by using SG_IO ioctl

How to send inquiry command to thorugh sd path (i.e. /dev/sda) by using SG_IO ioctl

[MasthanUsha]

Hi All,
 
Any one og you have any idea on scsi inquiry command ?
 
I want to send an Inquiry command to a scsi device through sd path (.i.e.
/dev/sda or /dev/sdb) by using SG_IO ioctl. Please explain me...
 
 
Your help is appreciated
 
Regards
Masthan
 

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Re: How to send inquiry command to thorugh sd path (i.e. /dev/sda) by using SG_IO ioctl

[Douglas Gilbert]

MasthanUsha wrote:
> 
> Hi All,
>  
> Any one og you have any idea on scsi inquiry command ?
>  
> I want to send an Inquiry command to a scsi device through sd path (.i.e.
> /dev/sda or /dev/sdb) by using SG_IO ioctl. Please explain me...

If you look at http://www.torque.net/sg/sg3_utils.html
and fetch a tarball (e.g. sg3_utils-1.23.tgz) then have
a look at the examples/sg_simple1.c file.

Doug Gilbert

Re: How to send inquiry command to thorugh sd path (i.e. /dev/sda) by using SG_IO ioctl

[sandip shete]

download sg_utils3 and use the sg_inq command to do so


MasthanUsha wrote:
> 
> 
> Hi All,
>  
> Any one og you have any idea on scsi inquiry command ?
>  
> I want to send an Inquiry command to a scsi device through sd path (.i.e.
> /dev/sda or /dev/sdb) by using SG_IO ioctl. Please explain me...
>  
>  
> Your help is appreciated
>  
> Regards
> Masthan
>  
> 
> 

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Re: How to send inquiry command to thorugh sd path (i.e. /dev/sda) by using SG_IO ioctl

[Douglas Gilbert]

dudekula mastan wrote:
> Hi Gilbert,
>    
>   Thanks for quick reply.
>    
>   The example program (sg_Simple --- not only this all examples) is taking /dev/sg  path as input  but I want /dev/sd path as input.

In the lk 2.6 series, it will also work for "sd" devices
(and "hd" devices if they happen to be cd/dvd drives).

>   Please explain me with an example, which takes /dev/sd path as input.

You have one already. Actually you have lots of examples there.

>    Is SG_IO supports sd driver ? 

yes, in the lk 2.6 series.

 I am not sure.. I think it will work only for sg driver. Am I correct ?.

That was correct several years ago, not now.

Doug Gilbert