[PATCH libpciaccess] Support for 32-bit domains

[Michel Dänzer]

On 10/08/16 06:39 AM, Keith Busch wrote:
> A pci "domain" is a purely software construct, and need not be limited
> to the 16-bit ACPI defined segment. The Linux kernel currently supports
> 32-bit domains, so this patch matches up with those capabilities to make
> it usable on systems exporting such domains.
> 
> Reported-by: Pawel Baldysiak <pawel.baldysiak at intel.com>
> Signed-off-by: Keith Busch <keith.busch at intel.com>
> ---
>  include/pciaccess.h | 2 +-
>  src/linux_sysfs.c   | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/pciaccess.h b/include/pciaccess.h
> index 1d7aa4b..93ed76f 100644
> --- a/include/pciaccess.h
> +++ b/include/pciaccess.h
> @@ -321,7 +321,7 @@ struct pci_device {
>       * the domain will always be zero.
>       */
>      /*@{*/
> -    uint16_t    domain;
> +    uint32_t    domain;

This change breaks ABI, so as is it would require bumping the library
SONAME (which is painful and thus generally discouraged from a
downstream POV).


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer