Re: [PATCH 2/4] powerpc/pseries/iommu: Implement ibm,reset-pe-dma-windows rtas call

2020-06-22 Thread Leonardo Bras
On Tue, 2020-06-23 at 11:11 +1000, Alexey Kardashevskiy wrote: > > On 23/06/2020 04:58, Leonardo Bras wrote: > > Hello Alexey, thanks for the feedback! > > > > On Mon, 2020-06-22 at 20:02 +1000, Alexey Kardashevskiy wrote: > > > On 19/06/2020 15:06, Leonardo Bras wrote: > > > > Platforms supporti

Re: [PATCH 2/4] powerpc/pseries/iommu: Implement ibm,reset-pe-dma-windows rtas call

2020-06-22 Thread Alexey Kardashevskiy
On 23/06/2020 04:58, Leonardo Bras wrote: > Hello Alexey, thanks for the feedback! > > On Mon, 2020-06-22 at 20:02 +1000, Alexey Kardashevskiy wrote: >> >> On 19/06/2020 15:06, Leonardo Bras wrote: >>> Platforms supporting the DDW option starting with LoPAR level 2.7 implement >>> ibm,ddw-exten

Re: [PATCH 2/4] powerpc/pseries/iommu: Implement ibm,reset-pe-dma-windows rtas call

2020-06-22 Thread Leonardo Bras
Hello Alexey, thanks for the feedback! On Mon, 2020-06-22 at 20:02 +1000, Alexey Kardashevskiy wrote: > > On 19/06/2020 15:06, Leonardo Bras wrote: > > Platforms supporting the DDW option starting with LoPAR level 2.7 implement > > ibm,ddw-extensions. The first extension available (index 2) carri

Re: [PATCH 2/4] powerpc/pseries/iommu: Implement ibm,reset-pe-dma-windows rtas call

2020-06-22 Thread Alexey Kardashevskiy
On 19/06/2020 15:06, Leonardo Bras wrote: > Platforms supporting the DDW option starting with LoPAR level 2.7 implement > ibm,ddw-extensions. The first extension available (index 2) carries the > token for ibm,reset-pe-dma-windows rtas call, which is used to restore > the default DMA window for

[PATCH 2/4] powerpc/pseries/iommu: Implement ibm, reset-pe-dma-windows rtas call

2020-06-18 Thread Leonardo Bras
Platforms supporting the DDW option starting with LoPAR level 2.7 implement ibm,ddw-extensions. The first extension available (index 2) carries the token for ibm,reset-pe-dma-windows rtas call, which is used to restore the default DMA window for a device, if it has been deleted. It does so by rese