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Commit bcf508c1 authored by James Bottomley's avatar James Bottomley
Browse files

scsi_transport_sas: add function to get SAS endpoint address 



For a device known to be SAS connected, this will return the endpoint
address.  This is useful for getting the SAS address of SATA devices.

Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 3b91d09c

drivers/scsi/scsi_transport_sas.c

+14 −0
Original line number Diff line number Diff line
@@ -382,6 +382,20 @@ void sas_remove_host(struct Scsi_Host *shost) 
}

EXPORT_SYMBOL(sas_remove_host);



/**

 * sas_get_address - return the SAS address of the device

 * @sdev: scsi device

 *

 * Returns the SAS address of the scsi device

 */

u64 sas_get_address(struct scsi_device *sdev)

{

	struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);



	return rdev->rphy.identify.sas_address;

}

EXPORT_SYMBOL(sas_get_address);



/**

 * sas_tlr_supported - checking TLR bit in vpd 0x90

 * @sdev: scsi device struct

include/scsi/scsi_transport_sas.h

+1 −0
Original line number Diff line number Diff line
@@ -189,6 +189,7 @@ extern int sas_phy_add(struct sas_phy *); 
extern void sas_phy_delete(struct sas_phy *);

extern int scsi_is_sas_phy(const struct device *);



u64 sas_get_address(struct scsi_device *);

unsigned int sas_tlr_supported(struct scsi_device *);

unsigned int sas_is_tlr_enabled(struct scsi_device *);

void sas_disable_tlr(struct scsi_device *);