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 18 static 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 24 int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy); 25 int sas_ata_init(struct domain_device *dev); 26 void sas_ata_task_abort(struct sas_task *task); 27 void sas_ata_strategy_handler(struct Scsi_Host *shost); 28 void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q); 29 void sas_ata_schedule_reset(struct domain_device *dev); 30 void sas_ata_wait_eh(struct domain_device *dev); 31 void sas_probe_sata(struct asd_sas_port *port); 32 void sas_suspend_sata(struct asd_sas_port *port); 33 void sas_resume_sata(struct asd_sas_port *port); 34 void sas_ata_end_eh(struct ata_port *ap); 35 void sas_ata_device_link_abort(struct domain_device *dev, bool force_reset); 36 int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, 37 int force_phy_id); 38 int smp_ata_check_ready_type(struct ata_link *link); 39 int sas_discover_sata(struct domain_device *dev); 40 int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy, 41 struct domain_device *child, int phy_id); 42 #else 43 44 static inline void sas_ata_disabled_notice(void) 45 { 46 pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n"); 47 } 48 49 static inline int dev_is_sata(struct domain_device *dev) 50 { 51 return 0; 52 } 53 static inline int sas_ata_init(struct domain_device *dev) 54 { 55 return 0; 56 } 57 static inline void sas_ata_task_abort(struct sas_task *task) 58 { 59 } 60 61 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) 62 { 63 } 64 65 static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) 66 { 67 } 68 69 static inline void sas_ata_schedule_reset(struct domain_device *dev) 70 { 71 } 72 73 static inline void sas_ata_wait_eh(struct domain_device *dev) 74 { 75 } 76 77 static inline void sas_probe_sata(struct asd_sas_port *port) 78 { 79 } 80 81 static inline void sas_suspend_sata(struct asd_sas_port *port) 82 { 83 } 84 85 static inline void sas_resume_sata(struct asd_sas_port *port) 86 { 87 } 88 89 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) 90 { 91 return 0; 92 } 93 94 static inline void sas_ata_end_eh(struct ata_port *ap) 95 { 96 } 97 98 static inline void sas_ata_device_link_abort(struct domain_device *dev, 99 bool force_reset) 100 { 101 } 102 103 static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, 104 int force_phy_id) 105 { 106 return 0; 107 } 108 109 static inline int smp_ata_check_ready_type(struct ata_link *link) 110 { 111 return 0; 112 } 113 114 static inline int sas_discover_sata(struct domain_device *dev) 115 { 116 sas_ata_disabled_notice(); 117 return -ENXIO; 118 } 119 120 static 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