On Tue, Mar 19, 2024 at 05:13:22PM +0800, Szuying Chen wrote: > Signed-off-by: Szuying Chen <Chloe_Chen@xxxxxxxxxxxxxx> > --- > > On 3/18/24 19:32, Niklas Cassel wrote: > > A user plugging in an external PMP (so not a PMP embedded on the PCIe card). > > We need to be able to read the PMP device and vendor ID, in order to apply > > the correct PMP quirks, see sata_pmp_quirks(). So trying to hide which PMP > > that is connected is bad, not only because it violates the specs, but also > > because it stops us from providing the proper quirks for the connected PMP. > > > > Could you please tell us how we can communicate with the PMPs directly? > > (Regardless if they are external PMPs or PMPs embedded on the PCIe card.) > > > Hello Niklas, > > Unfortunately, our design does not provide interface to communicate with > the PMPs directly. > When ASM1064 plugging in an external PMP, we will hide the PMP and map to > the virtual port to run. How is possible detect such configuration?
