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

source code of linux/include/scsi/sas_ata.h