Re: [Qemu-devel] [QEMU-PPC] [PATCH 12/13] target/ppc: Introduce POWER9 DD2.2 cpu type

[David Gibson]

On Fri, May 03, 2019 at 03:53:15PM +1000, Suraj Jitindar Singh wrote:
> Introduce a POWER9 DD2.2 cpu type with pvr 0x004E1202.
> 
> A DD2.2 POWER9 cpu type is needed to enable kvm for pseries tcg guests
> since it means they will use the H_ENTER_NESTED hcall to run a guest
> rather than trying the generic entry path which will fail.
> 
> Signed-off-by: Suraj Jitindar Singh <address@hidden>

Reviewed-by: David Gibson <address@hidden>

> ---
>  hw/ppc/spapr_cpu_core.c | 1 +
>  target/ppc/cpu-models.c | 2 ++
>  target/ppc/cpu-models.h | 1 +
>  3 files changed, 4 insertions(+)
> 
> diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
> index 40e7010cf0..98d46c6edb 100644
> --- a/hw/ppc/spapr_cpu_core.c
> +++ b/hw/ppc/spapr_cpu_core.c
> @@ -399,6 +399,7 @@ static const TypeInfo spapr_cpu_core_type_infos[] = {
>      DEFINE_SPAPR_CPU_CORE_TYPE("power8nvl_v1.0"),
>      DEFINE_SPAPR_CPU_CORE_TYPE("power9_v1.0"),
>      DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.0"),
> +    DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.2"),
>  #ifdef CONFIG_KVM
>      DEFINE_SPAPR_CPU_CORE_TYPE("host"),
>  #endif
> diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
> index 7c75963e3c..603ae7f5b4 100644
> --- a/target/ppc/cpu-models.c
> +++ b/target/ppc/cpu-models.c
> @@ -773,6 +773,8 @@
>                  "POWER9 v1.0")
>      POWERPC_DEF("power9_v2.0",   CPU_POWERPC_POWER9_DD20,            POWER9,
>                  "POWER9 v2.0")
> +    POWERPC_DEF("power9_v2.2",   CPU_POWERPC_POWER9_DD22,            POWER9,
> +                "POWER9 v2.2")
>  #endif /* defined (TARGET_PPC64) */
>  
>  /***************************************************************************/
> diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
> index efdb2fa53c..820e94b0c8 100644
> --- a/target/ppc/cpu-models.h
> +++ b/target/ppc/cpu-models.h
> @@ -373,6 +373,7 @@ enum {
>      CPU_POWERPC_POWER9_BASE        = 0x004E0000,
>      CPU_POWERPC_POWER9_DD1         = 0x004E0100,
>      CPU_POWERPC_POWER9_DD20        = 0x004E1200,
> +    CPU_POWERPC_POWER9_DD22        = 0x004E1202,
>      CPU_POWERPC_970_v22            = 0x00390202,
>      CPU_POWERPC_970FX_v10          = 0x00391100,
>      CPU_POWERPC_970FX_v20          = 0x003C0200,

-- 
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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