Re: [Qemu-ppc] [RFC PATCH v2 10/12] spapr: move spapr_populate_pa_features()

[David Gibson]

On Thu, Feb 23, 2017 at 05:00:03PM +1100, Sam Bobroff wrote:
> In the next patch, spapr_fixup_cpu_dt() will need to call
> spapr_populate_pa_features() so move it's definition up without making
> any other changes.

s/it's/its/

> 
> Signed-off-by: Sam Bobroff <address@hidden>
> ---
>  hw/ppc/spapr.c | 86 
> +++++++++++++++++++++++++++++-----------------------------
>  1 file changed, 43 insertions(+), 43 deletions(-)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index dfee0f685f..0c0782b558 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -194,6 +194,49 @@ static int spapr_fixup_cpu_numa_dt(void *fdt, int 
> offset, CPUState *cs)
>      return ret;
>  }
>  
> +/* Populate the "ibm,pa-features" property */
> +static void spapr_populate_pa_features(CPUPPCState *env, void *fdt, int 
> offset)
> +{
> +    uint8_t pa_features_206[] = { 6, 0,
> +        0xf6, 0x1f, 0xc7, 0x00, 0x80, 0xc0 };
> +    uint8_t pa_features_207[] = { 24, 0,
> +        0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0,
> +        0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
> +        0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
> +        0x80, 0x00, 0x80, 0x00, 0x00, 0x00 };
> +    uint8_t *pa_features;
> +    size_t pa_size;
> +
> +    switch (POWERPC_MMU_VER(env->mmu_model)) {
> +    case POWERPC_MMU_VER_2_06:
> +        pa_features = pa_features_206;
> +        pa_size = sizeof(pa_features_206);
> +        break;
> +    case POWERPC_MMU_VER_2_07:
> +        pa_features = pa_features_207;
> +        pa_size = sizeof(pa_features_207);
> +        break;
> +    default:
> +        return;
> +    }
> +
> +    if (env->ci_large_pages) {
> +        /*
> +         * Note: we keep CI large pages off by default because a 64K capable
> +         * guest provisioned with large pages might otherwise try to map a 
> qemu
> +         * framebuffer (or other kind of memory mapped PCI BAR) using 64K 
> pages
> +         * even if that qemu runs on a 4k host.
> +         * We dd this bit back here if we are confident this is not an issue
> +         */
> +        pa_features[3] |= 0x20;
> +    }
> +    if (kvmppc_has_cap_htm() && pa_size > 24) {
> +        pa_features[24] |= 0x80;    /* Transactional memory support */
> +    }
> +
> +    _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", pa_features, 
> pa_size)));
> +}
> +
>  static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr)
>  {
>      int ret = 0, offset, cpus_offset;
> @@ -346,49 +389,6 @@ static int spapr_populate_memory(sPAPRMachineState 
> *spapr, void *fdt)
>      return 0;
>  }
>  
> -/* Populate the "ibm,pa-features" property */
> -static void spapr_populate_pa_features(CPUPPCState *env, void *fdt, int 
> offset)
> -{
> -    uint8_t pa_features_206[] = { 6, 0,
> -        0xf6, 0x1f, 0xc7, 0x00, 0x80, 0xc0 };
> -    uint8_t pa_features_207[] = { 24, 0,
> -        0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0,
> -        0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
> -        0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
> -        0x80, 0x00, 0x80, 0x00, 0x00, 0x00 };
> -    uint8_t *pa_features;
> -    size_t pa_size;
> -
> -    switch (POWERPC_MMU_VER(env->mmu_model)) {
> -    case POWERPC_MMU_VER_2_06:
> -        pa_features = pa_features_206;
> -        pa_size = sizeof(pa_features_206);
> -        break;
> -    case POWERPC_MMU_VER_2_07:
> -        pa_features = pa_features_207;
> -        pa_size = sizeof(pa_features_207);
> -        break;
> -    default:
> -        return;
> -    }
> -
> -    if (env->ci_large_pages) {
> -        /*
> -         * Note: we keep CI large pages off by default because a 64K capable
> -         * guest provisioned with large pages might otherwise try to map a 
> qemu
> -         * framebuffer (or other kind of memory mapped PCI BAR) using 64K 
> pages
> -         * even if that qemu runs on a 4k host.
> -         * We dd this bit back here if we are confident this is not an issue
> -         */
> -        pa_features[3] |= 0x20;
> -    }
> -    if (kvmppc_has_cap_htm() && pa_size > 24) {
> -        pa_features[24] |= 0x80;    /* Transactional memory support */
> -    }
> -
> -    _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", pa_features, 
> pa_size)));
> -}
> -
>  static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset,
>                                    sPAPRMachineState *spapr)
>  {

-- 
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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