xref: /openbmc/linux/include/scsi/sas_ata.h (revision f05643a0)
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 int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
36 			int force_phy_id);
37 int sas_ata_wait_after_reset(struct domain_device *dev, unsigned long deadline);
38 #else
39 
40 
41 static inline int dev_is_sata(struct domain_device *dev)
42 {
43 	return 0;
44 }
45 static inline int sas_ata_init(struct domain_device *dev)
46 {
47 	return 0;
48 }
49 static inline void sas_ata_task_abort(struct sas_task *task)
50 {
51 }
52 
53 static inline void sas_ata_strategy_handler(struct Scsi_Host *shost)
54 {
55 }
56 
57 static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q)
58 {
59 }
60 
61 static inline void sas_ata_schedule_reset(struct domain_device *dev)
62 {
63 }
64 
65 static inline void sas_ata_wait_eh(struct domain_device *dev)
66 {
67 }
68 
69 static inline void sas_probe_sata(struct asd_sas_port *port)
70 {
71 }
72 
73 static inline void sas_suspend_sata(struct asd_sas_port *port)
74 {
75 }
76 
77 static inline void sas_resume_sata(struct asd_sas_port *port)
78 {
79 }
80 
81 static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
82 {
83 	return 0;
84 }
85 
86 static inline void sas_ata_end_eh(struct ata_port *ap)
87 {
88 }
89 
90 static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis,
91 				      int force_phy_id)
92 {
93 	return 0;
94 }
95 
96 static inline int sas_ata_wait_after_reset(struct domain_device *dev,
97 					   unsigned long deadline)
98 {
99 	return -ETIMEDOUT;
100 }
101 #endif
102 
103 #endif /* _SAS_ATA_H_ */
104