Re: MFN on ARM

2020-08-25 Thread Julien Grall
On 24/08/2020 16:29, luckybreak051779 wrote: Hi Julien Hi, Thanks for getting back to me. On Mon, Aug 24, 2020 at 11:10 AM Julien Grall wrote: Hi, On 24/08/2020 15:23, luckybreak051779 wrote: Xen Team: I am running Xen 4.13.0 on a 32-bit ARM processor. In a domU driver I use the dm

Re: MFN on ARM

2020-08-24 Thread luckybreak051779
Hi Julien Thanks for getting back to me. On Mon, Aug 24, 2020 at 11:10 AM Julien Grall wrote: > > Hi, > > On 24/08/2020 15:23, luckybreak051779 wrote: > > Xen Team: > > > > I am running Xen 4.13.0 on a 32-bit ARM processor. In a domU driver I > > use the dma_map_single() function to obtain a DM

Re: MFN on ARM

2020-08-24 Thread Julien Grall
Hi, On 24/08/2020 15:23, luckybreak051779 wrote: Xen Team: I am running Xen 4.13.0 on a 32-bit ARM processor.  In a domU driver I use the dma_map_single() function to obtain a DMA address. How can I get the MFN of that DMA address from inside the domU? We don't provide a way to find the MFN

MFN on ARM

2020-08-24 Thread luckybreak051779
Xen Team: I am running Xen 4.13.0 on a 32-bit ARM processor. In a domU driver I use the dma_map_single() function to obtain a DMA address. How can I get the MFN of that DMA address from inside the domU? I need the MFN to be able to differentiate between two identical domUs running the same drive