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Subject: Re: [PATCH 6/16] cell: abstract spu management routines
From: Michael Ellerman <michael@ellerman.id.au>
To: Geoff Levand <geoffrey.levand@am.sony.com>
In-Reply-To: <4554DA9C.9040102@am.sony.com>
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Date: Mon, 13 Nov 2006 15:11:21 +1100
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Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
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On Fri, 2006-11-10 at 12:01 -0800, Geoff Levand wrote:
> This adds a platform specific spu management abstraction and the corespon=
ding
> routines to support the IBM Cell Blade.  It also removes the hypervisor o=
nly
> resources that were included in struct spu.
>=20
> Three new platform specific routines are introduced, spu_enumerate_spus()=
,
> spu_create_spu() and spu_destroy_spu().  The underlining design uses a ne=
w
> type, struct spu_management_ops, to hold function pointers that the platf=
orm
> setup code is expected to initialize to instances appropriate to that pla=
tform.
>=20
> For the IBM Cell Blade support, I put the hypervisor only resources that =
were
> in struct spu into a platform specific data structure struct spu_pdata.

As far as I can see you haven't posted your HV-backed management ops, is
that right?

Why can't your PS3 platform code fake-up device nodes for SPUs? It seems
that would simplify this quite a lot.

cheers

--=20
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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