crypto/iaa/iaa-crypto.rst

25 represented by selecting the 'deflate-iaa' crypto compression
28   # echo deflate-iaa > /sys/module/zswap/parameters/compressor
38 'deflate-iaa'.  (Because the IAA hardware has a 4k history-window
139 configuration, and then re-register the deflate-iaa algorithm with the
177 specified as 'iax' rather than 'iaa' - this is because upstream still
320 to have the new configuration applied to the deflate-iaa crypto
331   # ls -al /sys/kernel/debug/iaa-crypto/
353 The wq_stats file shows per-wq stats, a set for each iaa device and wq
357   iaa device:
371   iaa device:
385   iaa device:
399   iaa device:
460 If the default configuration is in place, you should see the iaa
478   # echo deflate-iaa > /sys/module/zswap/parameters/compressor
539   # count iaa instances
546   # disable iaa wqs and devices
553       echo disable iaa iax${i}
567   # configure iaa wqs and devices
578   # enable iaa wqs and devices
583       echo enable iaa iax${i}
596   [   60.752344] idxd 0000:f6:02.0: add_iaa_wq: added wq 000000004068d14d to iaa 00000000c9585ba2, n_wq 1
598   [   60.752347] iaa_crypto: rebalance_wq_table: iaa=0
600   [   60.752350] idxd 0000:6a:02.0: request_iaa_wq: returning unused wq 00000000c8bb4452 (0) from iaa device 0000000042d7bc52 (0)
602   [   60.752354] iaa_crypto: rebalance_wq_table: iaa=0
604   [   60.752356] idxd 0000:6a:02.0: request_iaa_wq: returning unused wq 00000000c8bb4452 (0) from iaa device 0000000042d7bc52 (0)
606   [   60.752359] iaa_crypto: rebalance_wq_table: iaa=0
608   [   60.752361] idxd 0000:6a:02.0: request_iaa_wq: returning unused wq 00000000c8bb4452 (0) from iaa device 0000000042d7bc52 (0)
610   [   60.752364] iaa_crypto: rebalance_wq_table: iaa=0
627   echo deflate-iaa > /sys/module/zswap/parameters/compressor
694   # count iaa instances
701   # disable iaa wqs and devices
708       echo disable iaa iax${i}