Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _SCSI_PRIV_H |
3 | #define _SCSI_PRIV_H | |
4 | ||
1da177e4 | 5 | #include <linux/device.h> |
5d9fb5cc | 6 | #include <scsi/scsi_device.h> |
020b0f0a | 7 | #include <linux/sbitmap.h> |
1da177e4 | 8 | |
ead09dd3 | 9 | struct bsg_device; |
1da177e4 | 10 | struct request_queue; |
242f9dcb | 11 | struct request; |
1da177e4 LT |
12 | struct scsi_cmnd; |
13 | struct scsi_device; | |
bc4f2401 | 14 | struct scsi_target; |
1da177e4 | 15 | struct scsi_host_template; |
1da177e4 | 16 | struct Scsi_Host; |
84314fd4 | 17 | struct scsi_nl_hdr; |
1da177e4 | 18 | |
2a242d59 | 19 | #define SCSI_CMD_RETRIES_NO_LIMIT -1 |
1da177e4 | 20 | |
1da177e4 LT |
21 | /* |
22 | * Scsi Error Handler Flags | |
23 | */ | |
e494f6a7 | 24 | #define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */ |
1da177e4 LT |
25 | |
26 | #define SCSI_SENSE_VALID(scmd) \ | |
27 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) | |
28 | ||
1da177e4 LT |
29 | /* hosts.c */ |
30 | extern int scsi_init_hosts(void); | |
31 | extern void scsi_exit_hosts(void); | |
32 | ||
33 | /* scsi.c */ | |
0a6ac4ee | 34 | int scsi_init_sense_cache(struct Scsi_Host *shost); |
e9c787e6 | 35 | void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd); |
1da177e4 LT |
36 | #ifdef CONFIG_SCSI_LOGGING |
37 | void scsi_log_send(struct scsi_cmnd *cmd); | |
38 | void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); | |
39 | #else | |
40 | static inline void scsi_log_send(struct scsi_cmnd *cmd) | |
41 | { }; | |
42 | static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) | |
43 | { }; | |
44 | #endif | |
45 | ||
46 | /* scsi_devinfo.c */ | |
598fa4b7 JB |
47 | |
48 | /* list of keys for the lists */ | |
4b1d8e78 | 49 | enum scsi_devinfo_key { |
598fa4b7 | 50 | SCSI_DEVINFO_GLOBAL = 0, |
a9e0edb6 | 51 | SCSI_DEVINFO_SPI, |
598fa4b7 JB |
52 | }; |
53 | ||
5ebde469 HR |
54 | extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, |
55 | const unsigned char *vendor, | |
56 | const unsigned char *model); | |
57 | extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, | |
58 | const unsigned char *vendor, | |
59 | const unsigned char *model, | |
4b1d8e78 | 60 | enum scsi_devinfo_key key); |
598fa4b7 JB |
61 | extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, |
62 | char *model, char *strflags, | |
4b1d8e78 BVA |
63 | blist_flags_t flags, |
64 | enum scsi_devinfo_key key); | |
65 | extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, | |
66 | enum scsi_devinfo_key key); | |
67 | extern int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name); | |
68 | extern int scsi_dev_info_remove_list(enum scsi_devinfo_key key); | |
598fa4b7 | 69 | |
1da177e4 LT |
70 | extern int __init scsi_init_devinfo(void); |
71 | extern void scsi_exit_devinfo(void); | |
72 | ||
73 | /* scsi_error.c */ | |
e494f6a7 | 74 | extern void scmd_eh_abort_handler(struct work_struct *work); |
9bdb4833 | 75 | extern enum blk_eh_timer_return scsi_timeout(struct request *req); |
1da177e4 | 76 | extern int scsi_error_handler(void *host); |
b8e162f9 | 77 | extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd); |
1da177e4 | 78 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); |
a0658632 | 79 | extern void scsi_eh_scmd_add(struct scsi_cmnd *); |
dca84e46 DW |
80 | void scsi_eh_ready_devs(struct Scsi_Host *shost, |
81 | struct list_head *work_q, | |
82 | struct list_head *done_q); | |
83 | int scsi_eh_get_sense(struct list_head *work_q, | |
84 | struct list_head *done_q); | |
88b32c3c | 85 | bool scsi_noretry_cmd(struct scsi_cmnd *scmd); |
bf23e619 | 86 | void scsi_eh_done(struct scsi_cmnd *scmd); |
1da177e4 LT |
87 | |
88 | /* scsi_lib.c */ | |
89 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); | |
6eb045e0 | 90 | extern void scsi_device_unbusy(struct scsi_device *sdev, struct scsi_cmnd *cmd); |
84feb166 | 91 | extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason); |
7b3d9545 | 92 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
1da177e4 | 93 | extern void scsi_run_host_queues(struct Scsi_Host *shost); |
d67e8b38 | 94 | extern void scsi_requeue_run_queue(struct work_struct *work); |
66483a4a | 95 | extern void scsi_start_queue(struct scsi_device *sdev); |
d285203c CH |
96 | extern int scsi_mq_setup_tags(struct Scsi_Host *shost); |
97 | extern void scsi_mq_destroy_tags(struct Scsi_Host *shost); | |
1da177e4 | 98 | extern void scsi_exit_queue(void); |
d67e8b38 | 99 | extern void scsi_evt_thread(struct work_struct *work); |
1da177e4 LT |
100 | |
101 | /* scsi_proc.c */ | |
102 | #ifdef CONFIG_SCSI_PROC_FS | |
103 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
104 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
105 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
106 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
107 | extern int scsi_init_procfs(void); | |
108 | extern void scsi_exit_procfs(void); | |
109 | #else | |
110 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
111 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
112 | # define scsi_proc_host_add(shost) do { } while (0) | |
113 | # define scsi_proc_host_rm(shost) do { } while (0) | |
114 | # define scsi_init_procfs() (0) | |
115 | # define scsi_exit_procfs() do { } while (0) | |
116 | #endif /* CONFIG_PROC_FS */ | |
117 | ||
118 | /* scsi_scan.c */ | |
a19a93e4 | 119 | void scsi_enable_async_suspend(struct device *dev); |
fea6d607 | 120 | extern int scsi_complete_async_scans(void); |
1da177e4 | 121 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, |
1d645088 | 122 | unsigned int, u64, enum scsi_scan_mode); |
1da177e4 LT |
123 | extern void scsi_forget_host(struct Scsi_Host *); |
124 | extern void scsi_rescan_device(struct device *); | |
125 | ||
126 | /* scsi_sysctl.c */ | |
127 | #ifdef CONFIG_SYSCTL | |
128 | extern int scsi_init_sysctl(void); | |
129 | extern void scsi_exit_sysctl(void); | |
130 | #else | |
131 | # define scsi_init_sysctl() (0) | |
132 | # define scsi_exit_sysctl() do { } while (0) | |
133 | #endif /* CONFIG_SYSCTL */ | |
134 | ||
135 | /* scsi_sysfs.c */ | |
1da177e4 LT |
136 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
137 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
138 | extern int scsi_sysfs_register(void); | |
139 | extern void scsi_sysfs_unregister(void); | |
140 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
141 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
142 | extern struct scsi_transport_template blank_transport_template; | |
903f4fed | 143 | extern void __scsi_remove_device(struct scsi_device *); |
1da177e4 | 144 | |
1da177e4 | 145 | extern struct bus_type scsi_bus_type; |
0a84486d | 146 | extern const struct attribute_group *scsi_shost_groups[]; |
1da177e4 | 147 | |
84314fd4 JS |
148 | /* scsi_netlink.c */ |
149 | #ifdef CONFIG_SCSI_NETLINK | |
150 | extern void scsi_netlink_init(void); | |
151 | extern void scsi_netlink_exit(void); | |
152 | extern struct sock *scsi_nl_sock; | |
153 | #else | |
154 | static inline void scsi_netlink_init(void) {} | |
155 | static inline void scsi_netlink_exit(void) {} | |
156 | #endif | |
157 | ||
db5bd1e0 | 158 | /* scsi_pm.c */ |
aa338601 | 159 | #ifdef CONFIG_PM |
db5bd1e0 | 160 | extern const struct dev_pm_ops scsi_bus_pm_ops; |
4f7ad521 | 161 | |
bc4f2401 AS |
162 | extern void scsi_autopm_get_target(struct scsi_target *); |
163 | extern void scsi_autopm_put_target(struct scsi_target *); | |
164 | extern int scsi_autopm_get_host(struct Scsi_Host *); | |
165 | extern void scsi_autopm_put_host(struct Scsi_Host *); | |
166 | #else | |
167 | static inline void scsi_autopm_get_target(struct scsi_target *t) {} | |
168 | static inline void scsi_autopm_put_target(struct scsi_target *t) {} | |
169 | static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } | |
170 | static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} | |
4f7ad521 | 171 | #endif /* CONFIG_PM */ |
db5bd1e0 | 172 | |
086b91d0 CH |
173 | /* scsi_dh.c */ |
174 | #ifdef CONFIG_SCSI_DH | |
2930f817 | 175 | void scsi_dh_add_device(struct scsi_device *sdev); |
23695e41 | 176 | void scsi_dh_release_device(struct scsi_device *sdev); |
086b91d0 | 177 | #else |
2930f817 | 178 | static inline void scsi_dh_add_device(struct scsi_device *sdev) { } |
23695e41 | 179 | static inline void scsi_dh_release_device(struct scsi_device *sdev) { } |
086b91d0 CH |
180 | #endif |
181 | ||
ead09dd3 | 182 | struct bsg_device *scsi_bsg_register_queue(struct scsi_device *sdev); |
78011042 | 183 | |
020b0f0a ML |
184 | extern int scsi_device_max_queue_depth(struct scsi_device *sdev); |
185 | ||
1da177e4 LT |
186 | /* |
187 | * internal scsi timeout functions: for use by mid-layer and transport | |
188 | * classes. | |
189 | */ | |
190 | ||
1c9e16e4 | 191 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
1da177e4 LT |
192 | |
193 | #endif /* _SCSI_PRIV_H */ |