ata_port_offline9
Test whether the given port is offline
Usage
int ata_port_offline(struct ata_port * ap);
Arguments
ap
ATA port to test
Overview
Test whether ap is offline. Note that this function returns 0 if offline status of ap cannot be obtained, so ata_port_online(ap) != !ata_port_offline(ap).
Locking
None.
Returns
1 if the port offline status is available and offline.