1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Support for SATA devices on Serial Attached SCSI (SAS) controllers 4 * 5 * Copyright (C) 2006 IBM Corporation 6 * 7 * Written by: Darrick J. Wong <djwong@us.ibm.com>, IBM Corporation 8 */ 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_ATA 17 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#else 43 44static inline void sas_ata_disabled_notice(void) 45{ 46 pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n"); 47} 48 49static inline int dev_is_sata(struct domain_device *dev) 50{ 51 return 0; 52} 53static inline int sas_ata_init(struct domain_device *dev) 54{ 55 return 0; 56} 57static inline void sas_ata_task_abort(struct sas_task *task) 58{ 59} 60 61static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) 62{ 63} 64 65static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) 66{ 67} 68 69static inline void sas_ata_schedule_reset(struct domain_device *dev) 70{ 71} 72 73static inline void sas_ata_wait_eh(struct domain_device *dev) 74{ 75} 76 77static inline void sas_probe_sata(struct asd_sas_port *port) 78{ 79} 80 81static inline void sas_suspend_sata(struct asd_sas_port *port) 82{ 83} 84 85static inline void sas_resume_sata(struct asd_sas_port *port) 86{ 87} 88 89static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) 90{ 91 return 0; 92} 93 94static inline void sas_ata_end_eh(struct ata_port *ap) 95{ 96} 97 98static inline void sas_ata_device_link_abort(struct domain_device *dev, 99 bool force_reset) 100{ 101} 102 103static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, 104 int force_phy_id) 105{ 106 return 0; 107} 108 109static inline int smp_ata_check_ready_type(struct ata_link *link) 110{ 111 return 0; 112} 113 114static inline int sas_discover_sata(struct domain_device *dev) 115{ 116 sas_ata_disabled_notice(); 117 return -ENXIO; 118} 119 120static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy, 121 struct domain_device *child, int phy_id) 122{ 123 sas_ata_disabled_notice(); 124 return -ENODEV; 125} 126#endif 127 128#endif /* _SAS_ATA_H_ */ 129