-QAT allocates internal structures to handle SGLs. For the compression service
-CONFIG_RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS can be changed if more segments are needed.
-An extra (max_inflight_ops x 16) bytes per queue_pair will be used for every increment.
+.. Note::
+
+ There are separate config items (not QAT-specific) for max cryptodevs
+ CONFIG_RTE_CRYPTO_MAX_DEVS and max compressdevs CONFIG_RTE_COMPRESS_MAX_DEVS,
+ if necessary these should be adjusted to handle the total of QAT and other
+ devices which the process will use. In particular for crypto, where each
+ QAT VF may expose two crypto devices, sym and asym, it may happen that the
+ number of devices will be bigger than MAX_DEVS and the process will show an error
+ during PMD initialisation. To avoid this problem CONFIG_RTE_CRYPTO_MAX_DEVS may be
+ increased or -w, pci-whitelist domain:bus:devid:func option may be used.
+