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
dev_is_sata(struct domain_device * dev)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
sas_ata_disabled_notice(void)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
dev_is_sata(struct domain_device * dev)49 static inline int dev_is_sata(struct domain_device *dev)
50 {
51 return 0;
52 }
sas_ata_init(struct domain_device * dev)53 static inline int sas_ata_init(struct domain_device *dev)
54 {
55 return 0;
56 }
sas_ata_task_abort(struct sas_task * task)57 static inline void sas_ata_task_abort(struct sas_task *task)
58 {
59 }
60
sas_ata_strategy_handler(struct Scsi_Host * shost)61 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
62 {
63 }
64
sas_ata_eh(struct Scsi_Host * shost,struct list_head * work_q)65 static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
66 {
67 }
68
sas_ata_schedule_reset(struct domain_device * dev)69 static inline void sas_ata_schedule_reset(struct domain_device *dev)
70 {
71 }
72
sas_ata_wait_eh(struct domain_device * dev)73 static inline void sas_ata_wait_eh(struct domain_device *dev)
74 {
75 }
76
sas_probe_sata(struct asd_sas_port * port)77 static inline void sas_probe_sata(struct asd_sas_port *port)
78 {
79 }
80
sas_suspend_sata(struct asd_sas_port * port)81 static inline void sas_suspend_sata(struct asd_sas_port *port)
82 {
83 }
84
sas_resume_sata(struct asd_sas_port * port)85 static inline void sas_resume_sata(struct asd_sas_port *port)
86 {
87 }
88
sas_get_ata_info(struct domain_device * dev,struct ex_phy * phy)89 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
90 {
91 return 0;
92 }
93
sas_ata_end_eh(struct ata_port * ap)94 static inline void sas_ata_end_eh(struct ata_port *ap)
95 {
96 }
97
sas_ata_device_link_abort(struct domain_device * dev,bool force_reset)98 static inline void sas_ata_device_link_abort(struct domain_device *dev,
99 bool force_reset)
100 {
101 }
102
sas_execute_ata_cmd(struct domain_device * device,u8 * fis,int force_phy_id)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
smp_ata_check_ready_type(struct ata_link * link)109 static inline int smp_ata_check_ready_type(struct ata_link *link)
110 {
111 return 0;
112 }
113
sas_discover_sata(struct domain_device * dev)114 static inline int sas_discover_sata(struct domain_device *dev)
115 {
116 sas_ata_disabled_notice();
117 return -ENXIO;
118 }
119
sas_ata_add_dev(struct domain_device * parent,struct ex_phy * phy,struct domain_device * child,int phy_id)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