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| author | Jie Zhan <zhanjie9@hisilicon.com> | 2022-11-18 11:37:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-25 13:25:39 +0300 |
| commit | 8ec73f41504b924243f3f55af89ad8ac52039c76 (patch) | |
| tree | c99c0424a30de03ab59b0efe63b43ca0b87b24c9 | |
| parent | 38c5d24d87235f5f047c8d868fc1460544993b8b (diff) | |
| download | linux-8ec73f41504b924243f3f55af89ad8ac52039c76.tar.xz | |
scsi: libsas: Add smp_ata_check_ready_type()
[ Upstream commit 9181ce3cb5d96f0ee28246a857ca651830fa3746 ]
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>
Stable-dep-of: 3c2673a09cf1 ("scsi: hisi_sas: Fix SATA devices missing issue during I_T nexus reset")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/scsi/libsas/sas_ata.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/libsas/sas_internal.h | 2 | ||||
| -rw-r--r-- | include/scsi/sas_ata.h | 6 |
4 files changed, 35 insertions, 2 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index d35c9296f738..2fd55ef9ffca 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; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 5ce251830104..63a23251fb1d 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1693,8 +1693,8 @@ static int sas_get_phy_change_count(struct domain_device *dev, return res; } -static int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id, - u8 *sas_addr, enum sas_device_type *type) +int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id, + u8 *sas_addr, enum sas_device_type *type) { int res; struct smp_disc_resp *disc_resp; diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 8d0ad3abc7b5..a94bd0790b05 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -84,6 +84,8 @@ struct domain_device *sas_ex_to_ata(struct domain_device *ex_dev, int phy_id); int sas_ex_phy_discover(struct domain_device *dev, int single); int sas_get_report_phy_sata(struct domain_device *dev, int phy_id, struct smp_rps_resp *rps_resp); +int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id, + u8 *sas_addr, enum sas_device_type *type); int sas_try_ata_reset(struct asd_sas_phy *phy); void sas_hae_reset(struct work_struct *work); diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h index a1df4f9d57a3..ec646217e7f6 100644 --- a/include/scsi/sas_ata.h +++ b/include/scsi/sas_ata.h @@ -35,6 +35,7 @@ void sas_ata_end_eh(struct ata_port *ap); int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, int force_phy_id); int sas_ata_wait_after_reset(struct domain_device *dev, unsigned long deadline); +int smp_ata_check_ready_type(struct ata_link *link); #else @@ -98,6 +99,11 @@ static inline int sas_ata_wait_after_reset(struct domain_device *dev, { return -ETIMEDOUT; } + +static inline int smp_ata_check_ready_type(struct ata_link *link) +{ + return 0; +} #endif #endif /* _SAS_ATA_H_ */ |