Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] vfio-powerpc: added VFIO support

[Alexey Kardashevskiy]

On 11/07/12 08:26, Scott Wood wrote:
> On 07/10/2012 12:51 AM, Alexey Kardashevskiy wrote:
>> The patch enables VFIO on POWER.
>>
>> It literally does the following:
>>
>> 1. POWERPC IOMMU support (the kernel counterpart is required)
> [snip]
>> +/* -------- API for POWERPC IOMMU -------- */
>> +
>> +#define POWERPC_IOMMU           2
>> +
>> +struct tce_iommu_info {
>> +    __u32 argsz;
>> +    __u32 dma32_window_start;
>> +    __u32 dma32_window_size;
>> +};
>> +
>> +#define POWERPC_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
> 
> Is there a more specific name that could be used for this?  Not all
> PowerPC chips have the same kind of IOMMU.


Ben, is is SPAPR? BOOK3S?


-- 
Alexey