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Re: [qemu-s390x] [PATCH v5 14/17] spapr_pci: add ibm, my-drc-index prope


From: David Gibson
Subject: Re: [qemu-s390x] [PATCH v5 14/17] spapr_pci: add ibm, my-drc-index property for PHB hotplug
Date: Wed, 20 Feb 2019 14:29:16 +1100
User-agent: Mutt/1.10.1 (2018-07-13)

On Tue, Feb 19, 2019 at 06:18:44PM +0100, Greg Kurz wrote:
> From: Michael Roth <address@hidden>
> 
> This is needed to denote a boot-time PHB as being hot-pluggable.
> 
> Signed-off-by: Michael Roth <address@hidden>
> Reviewed-by: David Gibson <address@hidden>
> Signed-off-by: Greg Kurz <address@hidden>

Applied, thanks.

> ---
>  hw/ppc/spapr_pci.c |    9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
> index a0e17694396a..03fc26985ab1 100644
> --- a/hw/ppc/spapr_pci.c
> +++ b/hw/ppc/spapr_pci.c
> @@ -2203,6 +2203,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t 
> intc_phandle, void *fdt,
>      sPAPRTCETable *tcet;
>      PCIBus *bus = PCI_HOST_BRIDGE(phb)->bus;
>      sPAPRFDT s_fdt;
> +    sPAPRDRConnector *drc;
>  
>      /* Start populating the FDT */
>      nodename = g_strdup_printf("address@hidden" PRIx64, phb->buid);
> @@ -2269,6 +2270,14 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t 
> intc_phandle, void *fdt,
>                   tcet->liobn, tcet->bus_offset,
>                   tcet->nb_table << tcet->page_shift);
>  
> +    drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PHB, phb->index);
> +    if (drc) {
> +        uint32_t drc_index = cpu_to_be32(spapr_drc_index(drc));
> +
> +        _FDT(fdt_setprop(fdt, bus_off, "ibm,my-drc-index", &drc_index,
> +                         sizeof(drc_index)));
> +    }
> +
>      /* Walk the bridges and program the bus numbers*/
>      spapr_phb_pci_enumerate(phb);
>      _FDT(fdt_setprop_cell(fdt, bus_off, "qemu,phb-enumerated", 0x1));
> 

-- 
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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