On 24/05/2024 01:44, nifan....@gmail.com wrote: > From: Fan Ni <fan...@samsung.com> > > With the change, when setting up memory for type3 memory device, we can > create DC regions. > A property 'num-dc-regions' is added to ct3_props to allow users to pass the > number of DC regions to create. To make it easier, other region parameters > like region base, length, and block size are hard coded. If needed, > these parameters can be added easily. > > With the change, we can create DC regions with proper kernel side > support like below: > > region=$(cat /sys/bus/cxl/devices/decoder0.0/create_dc_region) > echo $region > /sys/bus/cxl/devices/decoder0.0/create_dc_region > echo 256 > /sys/bus/cxl/devices/$region/interleave_granularity > echo 1 > /sys/bus/cxl/devices/$region/interleave_ways > > echo "dc0" >/sys/bus/cxl/devices/decoder2.0/mode > echo 0x40000000 >/sys/bus/cxl/devices/decoder2.0/dpa_size > > echo 0x40000000 > /sys/bus/cxl/devices/$region/size > echo "decoder2.0" > /sys/bus/cxl/devices/$region/target0 > echo 1 > /sys/bus/cxl/devices/$region/commit > echo $region > /sys/bus/cxl/drivers/cxl_region/bind > > Reviewed-by: Gregory Price <gregory.pr...@memverge.com> > Reviewed-by: Jonathan Cameron <jonathan.came...@huawei.com> > Signed-off-by: Fan Ni <fan...@samsung.com>
Reviewed-by: Li Zhijian <lizhij...@fujitsu.com>
