Messages in this thread | | | Date | Sun, 31 Jul 2022 17:37:40 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: New subsystem for acceleration devices |
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On Sun, Jul 31, 2022 at 02:45:34PM +0300, Oded Gabbay wrote: > Hi, > Greg and I talked a couple of months ago about preparing a new accel > subsystem for compute/acceleration devices that are not GPUs and I > think your drivers that you are now trying to upstream fit it as well. > > Would you be open/interested in migrating your drivers to this new subsystem ? > > Because there were no outstanding candidates, I have done so far only > a basic and partial implementation of the infrastructure for this > subsystem, but if you are willing to join I believe I can finish it > rather quickly. > > At start, the new subsystem will provide only a common device > character (e.g. /dev/acX) so everyone will do open/close/ioctl on the > same device character. Also sysfs/debugfs entries will be under that > device and maybe an IOCTL to retrieve information. > > In the future I plan to move some of habanalabs driver's code into the > subsystem itself, for common tasks such as memory management, dma > memory allocation, etc. > > Of course, you will be able to add your own IOCTLs as you see fit. > There will be a range of IOCTLs which are device-specific (similar to > drm). > > wdyt ?
That sounds reasonable to me as a sane plan forward, thanks for working on this.
greg k-h
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