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 | |