Man page 9 : mpt_diag_reset

mpt_diag_reset - Perform hard reset of the adapter.

int mpt_diag_reset(MPT_ADAPTER *  ioc , int  ignore , int  sleepFlag );

ioc
    Pointer to MPT_ADAPTER structure

ignore
    Set if to honor and clear to ignore the reset history bit

sleepFlag
    CAN_SLEEP if called in a non-interrupt thread, else set to NO_SLEEP (use mdelay instead)

This routine places the adapter in diagnostic mode via the WriteSequence register and then performs a hard reset of adapter via the Diagnostic register. Adapter should be in ready state upon successful completion.

1 hard reset successful 0 no reset performed because reset history bit set -2 enabling diagnostic mode failed -3 diagnostic reset failed