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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>
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@ -382,6 +382,20 @@ void sas_remove_host(struct Scsi_Host *shost)
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}
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EXPORT_SYMBOL(sas_remove_host);
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/**
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* sas_get_address - return the SAS address of the device
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* @sdev: scsi device
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*
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* Returns the SAS address of the scsi device
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*/
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u64 sas_get_address(struct scsi_device *sdev)
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{
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struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
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return rdev->rphy.identify.sas_address;
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}
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EXPORT_SYMBOL(sas_get_address);
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/**
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* sas_tlr_supported - checking TLR bit in vpd 0x90
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* @sdev: scsi device struct
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@ -189,6 +189,7 @@ extern int sas_phy_add(struct sas_phy *);
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extern void sas_phy_delete(struct sas_phy *);
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extern int scsi_is_sas_phy(const struct device *);
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u64 sas_get_address(struct scsi_device *);
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unsigned int sas_tlr_supported(struct scsi_device *);
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unsigned int sas_is_tlr_enabled(struct scsi_device *);
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void sas_disable_tlr(struct scsi_device *);
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