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

[Jiang Liu]

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