On Thu, Apr 25, 2013 at 06:52:37AM +1000, Benjamin Herrenschmidt wrote:
>
>> diff --git a/arch/powerpc/include/asm/iommu.h
>> b/arch/powerpc/include/asm/iommu.h
>> index cbfe678..0db308e 100644
>> --- a/arch/powerpc/include/asm/iommu.h
>> +++ b/arch/powerpc/include/asm/iommu.h
>> @@ -76,6 +76,7 @@ struct iommu_table {
>> struct iommu_pool large_pool;
>> struct iommu_pool pools[IOMMU_NR_POOLS];
>> unsigned long *it_map; /* A simple allocation bitmap for now */
>> + void *sysdata;
>> };
>
>You should be able to avoid adding that field by using the container_of
>trick to get to the PE and moving the iommu ops for ioda into pci-ioda.c
>instead of sharing them with the non-ioda stuff.
>
Yep. I will introduce one function pnv_pci_ioda_tce_invalidate() to pci-ioda.c
and jump to IODA1/IODA2 cases there. By the way, I will introduce one addtional
field "struct pnv_phb *phb" to "struct pnv_ioda_pe".
Thanks,
Gavin
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