Re: [Qemu-devel] [PATCH 07/15] spapr_pci: Define SPAPR_MAX_PHBS in hw/pci-host/spapr.h

[David Gibson <david@gibson.dropbear.id.au>]

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On Fri, Dec 21, 2018 at 01:36:53AM +0100, Greg Kurz wrote:
> PHB hotplug will bring more users for it. Let's define it along with
> the PHB defines from which it is derived for simplicity.
> 
> While here fix a misleading comment about manual placement, which was
> abandoned with 30b3bc5aa9f4.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Applied to ppc-for-4.0, thanks.

> ---
>  hw/ppc/spapr.c              |    2 --
>  include/hw/pci-host/spapr.h |    6 ++++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 621006eaa862..fe3f9829ae6c 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -3838,8 +3838,6 @@ static void spapr_phb_placement(sPAPRMachineState *spapr, uint32_t index,
>       * 1TiB 64-bit MMIO windows for each PHB.
>       */
>      const uint64_t base_buid = 0x800000020000000ULL;
> -#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
> -                        SPAPR_PCI_MEM64_WIN_SIZE - 1)
>      int i;
>  
>      /* Sanity check natural alignments */
> diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
> index 9d2ec1a410e8..83d5075a6ef3 100644
> --- a/include/hw/pci-host/spapr.h
> +++ b/include/hw/pci-host/spapr.h
> @@ -94,11 +94,13 @@ struct sPAPRPHBState {
>      ((1ULL << 32) - SPAPR_PCI_MEM_WIN_BUS_OFFSET)
>  #define SPAPR_PCI_MEM64_WIN_SIZE     0x10000000000ULL /* 1 TiB */
>  
> -/* Without manual configuration, all PCI outbound windows will be
> - * within this range */
> +/* All PCI outbound windows will be within this range */
>  #define SPAPR_PCI_BASE               (1ULL << 45) /* 32 TiB */
>  #define SPAPR_PCI_LIMIT              (1ULL << 46) /* 64 TiB */
>  
> +#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
> +                        SPAPR_PCI_MEM64_WIN_SIZE - 1)
> +
>  #define SPAPR_PCI_2_7_MMIO_WIN_SIZE  0xf80000000
>  #define SPAPR_PCI_IO_WIN_SIZE        0x10000
>  
> 

-- 
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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