Re: [Qemu-devel] [RESEND PATCH v3] hotplug: add device per func in ACPI DSDT tables

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, May 11, 2012 at 12:50:37AM +0800, Jiang Liu wrote:
> On 05/09/2012 09:47 PM, Alex Williamson wrote:
> >> ---
> >>  src/ssdt-pcihp.dsl |   17 
> >>  src/ssdt-pcihp.hex | 8869 +++++++++++++++++++++++++++++++++++++++++++++++++++-
> >>  2 files changed, 8781 insertions(+), 105 deletions(-)
> >>
> >> diff --git a/src/ssdt-pcihp.dsl b/src/ssdt-pcihp.dsl
> >> index 4b435b8..2a3c326 100644
> >> --- a/src/ssdt-pcihp.dsl
> >> +++ b/src/ssdt-pcihp.dsl
> >> @@ -17,14 +17,23 @@ DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1)
> >>          // at runtime, if the slot is detected to not support hotplug.
> >>          // Extract the offset of the address dword and the
> >>          // _EJ0 name to allow this patching.
> >> -#define hotplug_slot(slot)                              \
> >> -        Device (S##slot) {                              \
> >> +#define hotplug_func(slot, fn)                          \
> >> +        Device (S##slot##fn) {                          \
> >>             ACPI_EXTRACT_NAME_DWORD_CONST aml_adr_dword  \
> >> -           Name (_ADR, 0x##slot##0000)                  \
> > 
> > I would have guessed it to be sufficient to change _ADR to
> > 0x##slot##ffff, does that not work?  Thanks,
> > 
> > Alex
> Currently Linux acpiphp driver doesn't support that yet.
> 
> --gerry

If memory serves neither does windows.