xref: /openbmc/linux/include/scsi/sas_ata.h (revision b830f94f)
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 		struct list_head *done_q);
30 void sas_ata_schedule_reset(struct domain_device *dev);
31 void sas_ata_wait_eh(struct domain_device *dev);
32 void sas_probe_sata(struct asd_sas_port *port);
33 void sas_suspend_sata(struct asd_sas_port *port);
34 void sas_resume_sata(struct asd_sas_port *port);
35 void sas_ata_end_eh(struct ata_port *ap);
36 #else
37 
38 
39 static inline int dev_is_sata(struct domain_device *dev)
40 {
41 	return 0;
42 }
43 static inline int sas_ata_init(struct domain_device *dev)
44 {
45 	return 0;
46 }
47 static inline void sas_ata_task_abort(struct sas_task *task)
48 {
49 }
50 
51 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
52 {
53 }
54 
55 static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
56 			      struct list_head *done_q)
57 {
58 }
59 
60 static inline void sas_ata_schedule_reset(struct domain_device *dev)
61 {
62 }
63 
64 static inline void sas_ata_wait_eh(struct domain_device *dev)
65 {
66 }
67 
68 static inline void sas_probe_sata(struct asd_sas_port *port)
69 {
70 }
71 
72 static inline void sas_suspend_sata(struct asd_sas_port *port)
73 {
74 }
75 
76 static inline void sas_resume_sata(struct asd_sas_port *port)
77 {
78 }
79 
80 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
81 {
82 	return 0;
83 }
84 
85 static inline void sas_ata_end_eh(struct ata_port *ap)
86 {
87 }
88 #endif
89 
90 #endif /* _SAS_ATA_H_ */
91