FreeBSD/sys/dev/ntb/ntb_hw/ntb_hw.c
/*
 * ntb_db_valid_mask() - get a mask of doorbell bits supported by the ntb
 * @ntb:	NTB device context
 *
 * Hardware may support different number or arrangement of doorbell bits.
 *
 * Return: A mask of doorbell bits supported by the ntb.
 */
get a mask of doorbell bits supported by the ntb
@ntb:        NTB device context

Hardware may support different number or arrangement of doorbell bits.

A mask of doorbell bits supported by the ntb.
get a mask of doorbell bits supported by the ntb @ntb : NTB device context Hardware may support different number or arrangement of doorbell bits . A mask of doorbell bits supported by the ntb .
uint64_t
ntb_db_valid_mask(struct ntb_softc *ntb)
{
	return (ntb->db_valid_mask);
}
uint64_t ntb_db_valid_mask ( struct ntb_softc * ntb ) { return ( ntb -> db_valid_mask ) ; }
ntb_db_valid_mask() - get a mask of doorbell bits supported by the ntb
 @ntb:        NTB device context
ntb_db_valid_mask () - get a mask of doorbell bits supported by the ntb @ntb : NTB device context