Re: [PATCH 2/5] hw/pci-host: Use the PCI_BUILD_BDF() macro from 'hw/pci/pci.h'

[David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>]

On Mon, Oct 12, 2020 at 02:45:03PM +0200, Philippe Mathieu-Daudé wrote:
> From: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
> 
> We already have a generic PCI_BUILD_BDF() macro in "hw/pci/pci.h"
> to pack these values, use it.
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>

pnv part

Acked-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>

> ---
>  hw/pci-host/bonito.c   | 3 +--
>  hw/pci-host/pnv_phb4.c | 2 +-
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
> index abb3ee86769..b05295639a6 100644
> --- a/hw/pci-host/bonito.c
> +++ b/hw/pci-host/bonito.c
> @@ -196,8 +196,7 @@ FIELD(BONGENCFG, PCIQUEUE,      12, 1)
>  #define PCI_IDSEL_VIA686B          (1 << PCI_IDSEL_VIA686B_BIT)
>  
>  #define PCI_ADDR(busno , devno , funno , regno)  \
> -    ((((busno) << 8) & 0xff00) + (((devno) << 3) & 0xf8) + \
> -    (((funno) & 0x7) << 8) + (regno))
> +    ((PCI_BUILD_BDF(busno, PCI_DEVFN(devno , funno)) << 8) + (regno))
>  
>  typedef struct BonitoState BonitoState;
>  
> diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
> index 03daf40a237..6328e985f81 100644
> --- a/hw/pci-host/pnv_phb4.c
> +++ b/hw/pci-host/pnv_phb4.c
> @@ -889,7 +889,7 @@ static bool pnv_phb4_resolve_pe(PnvPhb4DMASpace *ds)
>      /* Read RTE */
>      bus_num = pci_bus_num(ds->bus);
>      addr = rtt & PHB_RTT_BASE_ADDRESS_MASK;
> -    addr += 2 * ((bus_num << 8) | ds->devfn);
> +    addr += 2 * PCI_BUILD_BDF(bus_num, ds->devfn);
>      if (dma_memory_read(&address_space_memory, addr, &rte, sizeof(rte))) {
>          phb_error(ds->phb, "Failed to read RTT entry at 0x%"PRIx64, addr);
>          /* Set error bits ? fence ? ... */

-- 
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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