[PATCH v2 01/16] powerpc/xive: add OPAL extensions for the XIVE native exploitation support

David Gibson david at gibson.dropbear.id.au
Tue Feb 26 15:21:45 AEDT 2019


On Mon, Feb 25, 2019 at 11:11:58AM +0100, Cédric Le Goater wrote:
> On 2/25/19 4:50 AM, Michael Ellerman wrote:
> > Cédric Le Goater <clg at kaod.org> writes:
> > 
> >> The support for XIVE native exploitation mode in Linux/KVM needs a
> >> couple more OPAL calls to configure the sPAPR guest and to get/set the
> >> state of the XIVE internal structures.
> >>
> >> Signed-off-by: Cédric Le Goater <clg at kaod.org>
> >> ---
> >>  arch/powerpc/include/asm/opal-api.h           | 11 ++-
> >>  arch/powerpc/include/asm/opal.h               |  7 ++
> >>  arch/powerpc/include/asm/xive.h               | 14 +++
> >>  arch/powerpc/sysdev/xive/native.c             | 99 +++++++++++++++++++
> >>  .../powerpc/platforms/powernv/opal-wrappers.S |  3 +
> >>  5 files changed, 130 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
> >> index 870fb7b239ea..cdfc54f78101 100644
> >> --- a/arch/powerpc/include/asm/opal-api.h
> >> +++ b/arch/powerpc/include/asm/opal-api.h
> >> @@ -186,8 +186,8 @@
> >>  #define OPAL_XIVE_FREE_IRQ			140
> >>  #define OPAL_XIVE_SYNC				141
> >>  #define OPAL_XIVE_DUMP				142
> >> -#define OPAL_XIVE_RESERVED3			143
> >> -#define OPAL_XIVE_RESERVED4			144
> >> +#define OPAL_XIVE_GET_QUEUE_STATE		143
> >> +#define OPAL_XIVE_SET_QUEUE_STATE		144
> >>  #define OPAL_SIGNAL_SYSTEM_RESET		145
> >>  #define OPAL_NPU_INIT_CONTEXT			146
> >>  #define OPAL_NPU_DESTROY_CONTEXT		147
> >> @@ -209,8 +209,11 @@
> >>  #define OPAL_SENSOR_GROUP_ENABLE		163
> >>  #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR		164
> >>  #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR		165
> >> -#define	OPAL_NX_COPROC_INIT			167
> >> -#define OPAL_LAST				167
> >> +#define OPAL_HANDLE_HMI2			166
> >> +#define OPAL_NX_COPROC_INIT			167
> >> +#define OPAL_NPU_SET_RELAXED_ORDER		168
> >> +#define OPAL_NPU_GET_RELAXED_ORDER		169
> >> +#define OPAL_XIVE_GET_VP_STATE			170
> > 
> > You should only be defining the calls you need, leaving gaps for other
> > things, and you need to retain OPAL_LAST. So it should look more like:
> > 
> >  -#define OPAL_LAST				167
> >  +#define OPAL_XIVE_GET_VP_STATE		170
> >  +#define OPAL_LAST				170
> > 
> > 
> > Also I can't merge this until it's merged into skiboot.
> 
> OK. Let's start with skiboot.

Yeah.. where are we at with skiboot in general.  We can't test this
downstream until we have a released skiboot with the necessary
support.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
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