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| author |   James Bottomley <James.Bottomley@HansenPartnership.com> | 2015-12-09 11:13:35 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2015-12-18 19:29:50 -0800 |
| commit | bcf508c13385e74972f5cc06d8471d5c100395b0 (patch) | |
| tree | 28d306e2a10f68596e725941866b4871c2cb2954 /drivers | |
| parent | scsi_transport_sas: add is_sas_attached() function (diff) | |
| download | linux-dev-bcf508c13385e74972f5cc06d8471d5c100395b0.tar.xz linux-dev-bcf508c13385e74972f5cc06d8471d5c100395b0.zip | |
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: Hannes Reinecke <hare@suse.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_transport_sas.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index b17f763a73b2..80520e2f0fa2 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -383,6 +383,20 @@ 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 * |