On 1/15/2016 12:32 PM, Marc Zyngier wrote: >>> Do you have a link to that? Seeing it would help to ease my concerns. >> > >> > The QEMU driver has not been posted yet. As far as I know, it just discovers the memory >> > resources on the platform object and creates mappings for the guest machine only. >> > >> > Shanker Donthineni and Vikram Sethi will post the QEMU patch later. > Then may I suggest you both synchronize your submissions? I'd really > like to hear from the QEMU maintainers that they are satisfied with that > side of the story as well. The HIDMA QEMU driver is also based on VFIO platform driver in QEMU. It is not a new concept or new framework. All tried and tested solutions. The driver below is already using this feature. HIDMA is no exception. I have verified functionality of HIDMA linux driver with HIDMA QEMU driver already. https://lxr.missinglinkelectronics.com/qemu/hw/arm/sysbus-fdt.c#L67 https://lxr.missinglinkelectronics.com/qemu/hw/vfio/calxeda-xgmac.c#L18 https://lxr.missinglinkelectronics.com/qemu/include/hw/vfio/vfio-calxeda-xgmac.h -- Sinan Kaya Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html