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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Support for SATA devices on Serial Attached SCSI (SAS) controllers
*
* Copyright (C) 2006 IBM Corporation
*
* Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation
*/
#ifndef _SAS_ATA_H_
#define _SAS_ATA_H_
#include <linux/libata.h>
#include <scsi/libsas.h>
#ifdef CONFIG_SCSI_SAS_ATA
static inline int dev_is_sata(struct domain_device *dev)
{
return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
}
int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
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 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 int dev_is_sata(struct domain_device *dev)
{
return 0;
}
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 int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
{
return 0;
}
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)
{
}
static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
int force_phy_id)
{
return 0;
}
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
#endif /* _SAS_ATA_H_ */