Jeremy Higdon wrote:
>
> [snip]
>
> I was reading Documentation/scsi-generic.txt in 2.4.1. I didn't see
> anything about direction in the "new sg_header". Is there something
> newer?
>
> | The new sg_header offered in this driver is:
> | #define SG_MAX_SENSE 16
> | struct sg_header
> | {
Jer
On Wed, Feb 14, 2001 at 08:16:30AM +0100, Oliver Neukum
<[EMAIL PROTECTED]> wrote:
>
> > However, in light of other email in this thread, it looks like maybe the
> > table can go altogether, so hopefully this question is now moot.
>
> Oh yes, I saw the mail you are refering to.
> Let me put it
> However, in light of other email in this thread, it looks like maybe the
> table can go altogether, so hopefully this question is now moot.
Oh yes, I saw the mail you are refering to.
Let me put it this way: If we get rid of 'direction unknown'
then I'd be comfortable with killing it.
I'll put
> > This means that it would be compiled into the kernel several times.
> > You should add it to the core scsi code and _not_ declare it static.
>
> I considered doing it this way. As I saw it, it's a tradeoff between
> including the code even if none of the drivers in question are
> configured i
On Feb 13, 9:40am, Douglas Gilbert wrote:
>
> Daniel,
> Does that driver take any account of Scsi_Cmnd::sc_data_direction_flag?
> All upper level drivers (including sg) in the lk 2.4 series set
> the corresponding Scsi_Request::sr_data_direction_flag .
>
> In the case of sg in lk 2.4, it suppor
On Tue, Feb 13, 2001 at 10:24:14AM +0100, Oliver Neukum
<[EMAIL PROTECTED]> wrote:
> > > The attached patch does two things: it creates a new header file called
> > > scsi_dataout.h, which has a single copy of the switch statement (as a
> > > static function -- is that all right?) and is included
On Tue, Feb 13, 2001 at 09:40:36AM -0500, Douglas Gilbert <[EMAIL PROTECTED]> wrote:
> Daniel Eisenbud wrote:
> >
> > Eight different SCSI drivers have large switch statements to determine
> > the direction in which data will be transferred for a given SCSI
> > command. I discovered this when tr
Daniel Eisenbud wrote:
>
> Eight different SCSI drivers have large switch statements to determine
> the direction in which data will be transferred for a given SCSI
> command. I discovered this when trying to figure out why the MESH
> (powermac SCSI) driver locked up when (and only when) trying
> That could be done, but you'd never be able to drop these tables.
And ?
> I'd prefer a clean break to the new interface. It's better.
> Doug Gilbert is working on it.
You drop them after 2.6, much more polite
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> > Has a direction bit been considered for Linux SCSI infrastructure?
> > It would be useful to be able to specify this starting at the sg
> > level on through to the hba layer.
>
> It's there but not visible through the sg driver.
That would make sense for 2.5
> > We currently support a RAID
On Dienstag, 13. Februar 2001 10:42, Jeremy Higdon wrote:
> On Feb 13, 10:24am, Oliver Neukum wrote:
> > > We currently support a RAID which uses vendor unique commands to do
> > > device management. We need special versions of drivers that understand
> > > the implied direction of the vendor uni
Neukum; Daniel Eisenbud; [EMAIL PROTECTED]
Subject: Re: [PATCH] consolidating data direction tables
On Feb 13, 10:24am, Oliver Neukum wrote:
>
> > We currently support a RAID which uses vendor unique commands to do
> > device management. We need special versions of drivers that und
On Feb 13, 10:24am, Oliver Neukum wrote:
>
> > We currently support a RAID which uses vendor unique commands to do
> > device management. We need special versions of drivers that understand
> > the implied direction of the vendor unique commands. Under Irix, the
> > ds interface explicitly spec
> > mac53c94 driver.) The other drivers in question may or may not be able
> > to recover from the missing item in their tables, but the fact that
> > these tables are in the drivers at all implies that they work best if
> > the tables are correct.
Some drivers need a direction. If you don't kno
On Feb 12, 8:49pm, Daniel Eisenbud wrote:
>
> Eight different SCSI drivers have large switch statements to determine
> the direction in which data will be transferred for a given SCSI
> command. I discovered this when trying to figure out why the MESH
> (powermac SCSI) driver locked up when (an
Eight different SCSI drivers have large switch statements to determine
the direction in which data will be transferred for a given SCSI
command. I discovered this when trying to figure out why the MESH
(powermac SCSI) driver locked up when (and only when) trying to burn a
CD-R in disk-at-once mod
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