[PATCH v4 4/5] scsi: libsas: Move declarations of internal functions to sas_internal.h

Damien Le Moal
2025-07-25T02:00:49Z

Move the declaration of all functions used only within libsas from
include/scsi/sas_ata.h to drivers/scsi/libsas/sas_internal.h.

No functional changes.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
---
drivers/scsi/libsas/sas_internal.h | 74 ++++++++++++++++++++++++++++++
include/scsi/sas_ata.h | 68 +--------------------------
2 files changed, 75 insertions(+), 67 deletions(-)

diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 03d6ec1eb970..16f8d81d7531 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -222,4 +222,78 @@ static inline void sas_put_device(struct domain_device *dev)
kref_put(&dev->kref, sas_free_device);
}

+#ifdef CONFIG_SCSI_SAS_ATA
+
+int sas_ata_init(struct domain_device *dev);
+void sas_ata_task_abort(struct sas_task *task);
+int sas_discover_sata(struct domain_device *dev);
+int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
+ struct domain_device *child, int phy_id);
+void sas_ata_strategy_handler(struct Scsi_Host *shost);
+void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
+void sas_ata_end_eh(struct ata_port *ap);
+void sas_ata_wait_eh(struct domain_device *dev);
+void sas_probe_sata(struct asd_sas_port *port);
+void sas_suspend_sata(struct asd_sas_port *port);
+void sas_resume_sata(struct asd_sas_port *port);
+
+#else
+
+static inline int sas_ata_init(struct domain_device *dev)
+{
+ return 0;
+}
+
+static inline void sas_ata_task_abort(struct sas_task *task)
+{
+}
+
+static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
+{
+}
+
+static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
+{
+}
+
+static inline void sas_ata_end_eh(struct ata_port *ap)
+{
+}
+
+static inline void sas_ata_wait_eh(struct domain_device *dev)
+{
+}
+
+static inline void sas_probe_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_suspend_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_resume_sata(struct asd_sas_port *port)
+{
+}
+
+static inline void sas_ata_disabled_notice(void)
+{
+ pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");
+}
+
+static inline int sas_discover_sata(struct domain_device *dev)
+{
+ sas_ata_disabled_notice();
+ return -ENXIO;
+}
+
+static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
+ struct domain_device *child, int phy_id)
+{
+ sas_ata_disabled_notice();
+ return -ENODEV;
+}
+
+#endif
+
#endif /* _SAS_INTERNAL_H_ */
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index 5e3475975aee..a161c0222931 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -28,77 +28,24 @@ static inline bool dev_is_sata(struct domain_device *dev)
}
}

-int sas_ata_init(struct domain_device *dev);
-void sas_ata_task_abort(struct sas_task *task);
-void sas_ata_strategy_handler(struct Scsi_Host *shost);
-void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);
void sas_ata_schedule_reset(struct domain_device *dev);
-void sas_ata_wait_eh(struct domain_device *dev);
-void sas_probe_sata(struct asd_sas_port *port);
-void sas_suspend_sata(struct asd_sas_port *port);
-void sas_resume_sata(struct asd_sas_port *port);
-void sas_ata_end_eh(struct ata_port *ap);
void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset);
-int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
- int force_phy_id);
+int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, int force_phy_id);
int smp_ata_check_ready_type(struct ata_link *link);
-int sas_discover_sata(struct domain_device *dev);
-int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
- struct domain_device *child, int phy_id);

extern const struct attribute_group sas_ata_sdev_attr_group;

#else

-static inline void sas_ata_disabled_notice(void)
-{
- pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");
-}
-
static inline bool dev_is_sata(struct domain_device *dev)
{
return false;
}
-static inline int sas_ata_init(struct domain_device *dev)
-{
- return 0;
-}
-static inline void sas_ata_task_abort(struct sas_task *task)
-{
-}
-
-static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
-{
-}
-
-static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
-{
-}

static inline void sas_ata_schedule_reset(struct domain_device *dev)
{
}

-static inline void sas_ata_wait_eh(struct domain_device *dev)
-{
-}
-
-static inline void sas_probe_sata(struct asd_sas_port *port)
-{
-}
-
-static inline void sas_suspend_sata(struct asd_sas_port *port)
-{
-}
-
-static inline void sas_resume_sata(struct asd_sas_port *port)
-{
-}
-
-static inline void sas_ata_end_eh(struct ata_port *ap)
-{
-}
-
static inline void sas_ata_device_link_abort(struct domain_device *dev,
bool force_reset)
{
@@ -115,19 +62,6 @@ static inline int smp_ata_check_ready_type(struct ata_link *link)
return 0;
}

-static inline int sas_discover_sata(struct domain_device *dev)
-{
- sas_ata_disabled_notice();
- return -ENXIO;
-}
-
-static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,
- struct domain_device *child, int phy_id)
-{
- sas_ata_disabled_notice();
- return -ENODEV;
-}
-
#define sas_ata_sdev_attr_group ((struct attribute_group) {})

#endif
--
2.50.1