Re: [PATCH ats_vtd v5 01/22] intel_iommu: fix FRCD construction macro.

[CLEMENT MATHIEU--DRIF]

On 02/07/2024 15:01, Yi Liu wrote:
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> On 2024/7/2 13:52, CLEMENT MATHIEU--DRIF wrote:
>> From: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
>>
>> The constant must be unsigned, otherwise the two's complement
>> overrides the other fields when a PASID is present
>
> does it need a fix tag since it overrides the other fields?
yes, will add the tag
>
> Reviewed-by: Yi Liu <yi.l.liu@intel.com>
>
>> Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
>> ---
>>   hw/i386/intel_iommu_internal.h | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/hw/i386/intel_iommu_internal.h 
>> b/hw/i386/intel_iommu_internal.h
>> index e8396575eb..b19f14ef63 100644
>> --- a/hw/i386/intel_iommu_internal.h
>> +++ b/hw/i386/intel_iommu_internal.h
>> @@ -272,7 +272,7 @@
>>   /* For the low 64-bit of 128-bit */
>>   #define VTD_FRCD_FI(val)        ((val) & ~0xfffULL)
>>   #define VTD_FRCD_PV(val)        (((val) & 0xffffULL) << 40)
>> -#define VTD_FRCD_PP(val)        (((val) & 0x1) << 31)
>> +#define VTD_FRCD_PP(val)        (((val) & 0x1ULL) << 31)
>>   #define VTD_FRCD_IR_IDX(val)    (((val) & 0xffffULL) << 48)
>>
>>   /* DMA Remapping Fault Conditions */
>
> -- 
> Regards,
> Yi Liu