On Tue, Mar 11, 2025 at 11:07:27AM +0900, Yunjeong Mun wrote: > Hi Gregory, > > In my understanding, both SRAT and CFMWS have the above device and interleave setup. > > and below are the CFMWS configurations (with some unnecessary lines removed): > > [0A4h 0164 001h] Subtable Type : 01 [CXL Fixed Memory Window Structure] > [0ACh 0172 008h] Window base address : 0000002080000000 <- Memory region > [0B4h 0180 008h] Window size : 0000032780000000 > [0BCh 0188 001h] Interleave Members : 01 <-- 2-way interleave > [0BDh 0189 001h] Interleave Arithmetic : 01 > [0C8h 0200 004h] First Target : 00000043 <-- host bridge id > [0CCh 0204 004h] Next Target : 00000053 <-- host bridge id > > ... > > [170h 0368 001h] Subtable Type : 01 [CXL Fixed Memory Window Structure] > [178h 0376 008h] Window base address : 0000064F80000000 > [180h 0384 008h] Window size : 0000033000000000 > [188h 0392 001h] Interleave Members : 01 <-- 2-way interleave > [189h 0393 001h] Interleave Arithmetic : 01 > [194h 0404 004h] First Target : 00000143 <-- host bridge id > [198h 0408 004h] Next Target : 00000153 <-- host bridge id > Are you able to share all CXL Fixed Memory Window Structures in the CEDT? Just want to confirm some suspicions here about why we're seeing 12 NUMA nodes. This explains 2 and suggests there's at least 4 host bridges - but not the other 8. ~Gregory
