Re: [RFC PATCH 4/4] nvme: translate virtual addresses into the bus's address space

2021-09-23 Thread Stefan Agner
On 2021-09-24 01:20, Stefan Agner wrote: > So far we've been content with passing physical/CPU addresses when > configuring memory addresses into NVMe controllers, but not all > platforms have buses with transparent mappings. Specifically the > Raspberry Pi 4 might introduce an offset to memory acc

[RFC PATCH 4/4] nvme: translate virtual addresses into the bus's address space

2021-09-23 Thread Stefan Agner
So far we've been content with passing physical/CPU addresses when configuring memory addresses into NVMe controllers, but not all platforms have buses with transparent mappings. Specifically the Raspberry Pi 4 might introduce an offset to memory accesses incoming from its PCIe port. Introduce nvm