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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 | |
| parent | 3b91d09c1ca69a69c470efe5fbf346e3e90181d5 (diff) | |
| download | linux-bcf508c13385e74972f5cc06d8471d5c100395b0.tar.bz2 | |
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>
| -rw-r--r-- | drivers/scsi/scsi_transport_sas.c | 14 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 1 |
2 files changed, 15 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 * diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index a8fdd10fc9c5..13c0b2ba1b6c 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -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 *); |