Le 20/01/2016 03:20, Michael Neuling a écrit :
The only thing I'm a bit concerned about is are we going to end up duplicating a lot of the linux PCI API, but I guess we are only going to do this for things the papr HCALL interface mimics.
There are actually very few operations we can do on the adapter with hcalls. papr defines 'reset', 'read the VPD' and flashing a new image on the card. So we'll soon run out of APIs to mimic.
I guess it means the usage of cxl_get_phys_dev() should be discouraged, since it's going to lead to different behaviors between bare-metal and powerVM guest. Was there another expected use case for a kernel driver other than accessing the VPD?
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