// ntddstor.h
void DEVICE_DSM_ROUND_UP(
_a,
_b
);
View the official Windows Driver Kit DDI referenceNo description available.
The DEVICE_DSM_ROUND_UP macro is a DSM helper routine that rounds a byte quantity up to a given number of whole bytes.
_aThe original number of bytes to round up.
_bThe target whole number of bytes up to round _a to.