Re: [review patch 3/2] firewire: nosy: note ioctls inioctl-number.txt

From: Stefan Richter
Date: Thu Jul 22 2010 - 14:04:51 EST


On 22 Jul, Stefan Richter wrote:
> These are the ioctls for the special-purpose misc device /dev/nosy, the
> interface to the IEEE 1394 packet sniffer/ protocol analyzer driver.
> Currently only the numbers 00...02 are in use; let's block a few more
> for unforeseen use cases.
>
> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> Cc: Kristian Høgsberg <krh@xxxxxxxxxxxxx>
> Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
> ---
>
> As mentioned in patch 1/2, this is up for discussion. These ioctls have
> been used during nosy's out-of-tree life for several years; but due to
> the nature of this driver and its frontend as special-purpose
> application on special hardware, an incompatible change of these ioctls
> in the process of mainline merge won't be overly hurtful.
>
> Documentation/ioctl/ioctl-number.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: b/Documentation/ioctl/ioctl-number.txt
> ===================================================================
> --- a/Documentation/ioctl/ioctl-number.txt
> +++ b/Documentation/ioctl/ioctl-number.txt
> @@ -79,6 +79,7 @@ Code Seq#(hex) Include File Comments
> 0x22 all scsi/sg.h
> '#' 00-3F IEEE 1394 Subsystem Block for the entire subsystem
> '$' 00-0F linux/perf_counter.h, linux/perf_event.h
> +'&' 00-07 drivers/firewire/nosy-user.h
> '1' 00-1F <linux/timepps.h> PPS kit from Ulrich Windl
> <ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
> '2' 01-04 linux/i2o.h
>

(Sorry, I mistyped the mailinglist address in that posting...)
--
Stefan Richter
-=====-==-=- -=== =-==-
http://arcgraph.de/sr/

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