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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Support for SATA devices on Serial Attached SCSI (SAS) controllers4 *5 * Copyright (C) 2006 IBM Corporation6 *7 * Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation8 */9 10#ifndef _SAS_ATA_H_11#define _SAS_ATA_H_12 13#include <linux/libata.h>14#include <scsi/libsas.h>15 16#ifdef CONFIG_SCSI_SAS_ATA17 18static inline int dev_is_sata(struct domain_device *dev)19{20 return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||21 dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;22}23 24int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);25int sas_ata_init(struct domain_device *dev);26void sas_ata_task_abort(struct sas_task *task);27void sas_ata_strategy_handler(struct Scsi_Host *shost);28void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q);29void sas_ata_schedule_reset(struct domain_device *dev);30void sas_ata_wait_eh(struct domain_device *dev);31void sas_probe_sata(struct asd_sas_port *port);32void sas_suspend_sata(struct asd_sas_port *port);33void sas_resume_sata(struct asd_sas_port *port);34void sas_ata_end_eh(struct ata_port *ap);35void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset);36int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,37 int force_phy_id);38int smp_ata_check_ready_type(struct ata_link *link);39int sas_discover_sata(struct domain_device *dev);40int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,41 struct domain_device *child, int phy_id);42 43extern const struct attribute_group sas_ata_sdev_attr_group;44 45#else46 47static inline void sas_ata_disabled_notice(void)48{49 pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n");50}51 52static inline int dev_is_sata(struct domain_device *dev)53{54 return 0;55}56static inline int sas_ata_init(struct domain_device *dev)57{58 return 0;59}60static inline void sas_ata_task_abort(struct sas_task *task)61{62}63 64static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)65{66}67 68static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)69{70}71 72static inline void sas_ata_schedule_reset(struct domain_device *dev)73{74}75 76static inline void sas_ata_wait_eh(struct domain_device *dev)77{78}79 80static inline void sas_probe_sata(struct asd_sas_port *port)81{82}83 84static inline void sas_suspend_sata(struct asd_sas_port *port)85{86}87 88static inline void sas_resume_sata(struct asd_sas_port *port)89{90}91 92static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)93{94 return 0;95}96 97static inline void sas_ata_end_eh(struct ata_port *ap)98{99}100 101static inline void sas_ata_device_link_abort(struct domain_device *dev,102 bool force_reset)103{104}105 106static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,107 int force_phy_id)108{109 return 0;110}111 112static inline int smp_ata_check_ready_type(struct ata_link *link)113{114 return 0;115}116 117static inline int sas_discover_sata(struct domain_device *dev)118{119 sas_ata_disabled_notice();120 return -ENXIO;121}122 123static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy,124 struct domain_device *child, int phy_id)125{126 sas_ata_disabled_notice();127 return -ENODEV;128}129 130#define sas_ata_sdev_attr_group ((struct attribute_group) {})131 132#endif133 134#endif /* _SAS_ATA_H_ */135