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From: Stewart Smith <stewart@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/18] sync opal.h with firmware
Date: Tue, 10 Feb 2015 16:10:15 +1100	[thread overview]
Message-ID: <m3iofanyh4.fsf@oc8180480414.ibm.com> (raw)
In-Reply-To: <1423540744.19657.12.camel@ellerman.id.au>

Michael Ellerman <mpe@ellerman.id.au> writes:
> I'm going to be a total pain, and suggest that this is the wrong approach :)
>
> I was on board until patch 15, where you have to add an #ifdef SKIBOOT to guard
> an include, and you have to remove an include on the Linux side.

(the Linux include was actually not used it seems)

> I think the better solution would be to pull all the common parts out into a
> new file, opal-api.h. That file would define the API between Linux & Skiboot,
> and absolutely nothing else.

Sounds fine.

> Both Linux and Skiboot would continue to have an opal.h, which would include
> opal-api.h, and then anything else needed on either side to make a functioning
> opal.h - eg. other includes & definitions (SG_ENTRIES_PER_NODE).
>
> It would also have the advantage that because opal-api.h is a new file, we can
> get it synced from the beginning and not worry about all the whitespace &
> rearranging patches. ie. there'd just be one patch on both sides to add the new
> file and move definitions into it from opal.h.

Sure. I was doing it bit by bit just so that it was reviewable that I
didn't miss anything or violently screw anything up. Plus, there were
things that should be changed in skiboot as well.

> If you don't violently disagree I'll do a patch for that and we can see how it
> looks?

Not violently :)

I'd go back and do a similar thing to skiboot to make them match again
though, having linux/opal-api.h match skiboot/opal.h would just cause
swearing fits :)

      reply	other threads:[~2015-02-10  5:10 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-10  2:26 [PATCH 00/18] sync opal.h with firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 01/18] powerpc/powernv: sync OPAL API tokens with skiboot Stewart Smith
2015-02-10  2:26 ` [PATCH 02/18] powerpc/powernv: synchronize OPAL calls and return codes with firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 03/18] powerpc/powernv: s/OPAL_PCI_SET_PHB_CXL_MODE/OPAL_PCI_SET_PHB_CAPI_MODE/ to match firmware Stewart Smith
2015-02-10  3:39   ` Benjamin Herrenschmidt
2015-02-10  2:26 ` [PATCH 04/18] powerpc/powernv: relocate struct opal_sg_entry in opal.h to same place it is in firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 05/18] powerpc/powernv: synchronize opal.h whitespace with firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 06/18] powerpc/powernv: move OPAL_DUMP_REGION defines in opal.h to same place as in firmware opal.h Stewart Smith
2015-02-10  2:26 ` [PATCH 07/18] powerpc/powernv: make whitespace for OPAL_PM_* defines match firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 08/18] powerpc/powernv: Move OpalSysparamPerm, OpalMessageType in opal.h to " Stewart Smith
2015-02-10  2:26 ` [PATCH 09/18] powerpc/powernv: match enum OpalMessageType with firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 10/18] powerpc/powernv: move OPAL API prototypes to opal-api.h Stewart Smith
2015-02-10  2:26 ` [PATCH 11/18] powerpc/powernv: make whitespace in enum OpalSysparamPerm match firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 12/18] powerpc/powernv: add CAPI and EPOW parts to opal.h Stewart Smith
2015-02-10  2:26 ` [PATCH 13/18] powerpc/powernv: add remaining missing enums " Stewart Smith
2015-02-10  2:26 ` [PATCH 14/18] powerpc/powernv: sync comments and whitespace in opal.h with firmware Stewart Smith
2015-02-10  2:26 ` [PATCH 15/18] powerpc/powernv: sync #includes " Stewart Smith
2015-02-10  2:26 ` [PATCH 16/18] powerpc/powernv: move SG_ENTRIES_PER_NODE to linux-specific opal-api.h Stewart Smith
2015-02-10  2:26 ` [PATCH 17/18] powerpc/powernv: s/u8/uint8_t/ to match firmware in opal.h Stewart Smith
2015-02-10  2:27 ` [PATCH 18/18] powerpc/powernv: s/OpalM64EnableAction/OpalM64Action/ and __be64 annotation Stewart Smith
2015-02-10  3:59 ` [PATCH 00/18] sync opal.h with firmware Michael Ellerman
2015-02-10  5:10   ` Stewart Smith [this message]

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