diff options
| author | Jie Zhan <zhanjie9@hisilicon.com> | 2022-11-18 16:37:12 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-11-26 02:26:02 +0000 |
| commit | 9181ce3cb5d96f0ee28246a857ca651830fa3746 (patch) | |
| tree | 6f7d72b500b6467da1c33a9b92da2be2f76ed546 /drivers/scsi/libsas/sas_ata.c | |
| parent | 94a3555d1f0f51cf029a8668624e1cd40628880f (diff) | |
scsi: libsas: Add smp_ata_check_ready_type()
Create function smp_ata_check_ready_type() for LLDDs to wait for SATA
devices to come up after a link reset.
Signed-off-by: Jie Zhan <zhanjie9@hisilicon.com>
Link: https://lore.kernel.org/r/20221118083714.4034612-4-zhanjie9@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_ata.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_ata.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 78e6046fb55a..4b65cd79150f 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -287,6 +287,31 @@ static int sas_ata_clear_pending(struct domain_device *dev, struct ex_phy *phy) return 1; } +int smp_ata_check_ready_type(struct ata_link *link) +{ + struct domain_device *dev = link->ap->private_data; + struct sas_phy *phy = sas_get_local_phy(dev); + struct domain_device *ex_dev = dev->parent; + enum sas_device_type type = SAS_PHY_UNUSED; + u8 sas_addr[SAS_ADDR_SIZE]; + int res; + + res = sas_get_phy_attached_dev(ex_dev, phy->number, sas_addr, &type); + sas_put_local_phy(phy); + if (res) + return res; + + switch (type) { + case SAS_SATA_PENDING: + return 0; + case SAS_END_DEVICE: + return 1; + default: + return -ENODEV; + } +} +EXPORT_SYMBOL_GPL(smp_ata_check_ready_type); + static int smp_ata_check_ready(struct ata_link *link) { int res; |