Allocate port for a sas attached sata device
struct ata_port * ata_sas_port_alloc(struct ata_host * host, struct ata_port_info * port_info, struct Scsi_Host * shost);
host
ATA host container for all SAS ports
port_info
Information from low-level host driver
shost
SCSI host that the scsi device is attached to
PCI/etc. bus probe sem.
ata_port pointer on success / NULL on failure.
Jeff Garzik
Author.