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> |
2955b47d | 6 | #include <linux/async.h> |
5d9fb5cc | 7 | #include <scsi/scsi_device.h> |
1da177e4 LT |
8 | |
9 | struct request_queue; | |
242f9dcb | 10 | struct request; |
1da177e4 LT |
11 | struct scsi_cmnd; |
12 | struct scsi_device; | |
bc4f2401 | 13 | struct scsi_target; |
1da177e4 | 14 | struct scsi_host_template; |
1da177e4 | 15 | struct Scsi_Host; |
84314fd4 | 16 | struct scsi_nl_hdr; |
1da177e4 LT |
17 | |
18 | ||
1da177e4 LT |
19 | /* |
20 | * Scsi Error Handler Flags | |
21 | */ | |
e494f6a7 | 22 | #define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */ |
1da177e4 LT |
23 | |
24 | #define SCSI_SENSE_VALID(scmd) \ | |
25 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) | |
26 | ||
1da177e4 LT |
27 | /* hosts.c */ |
28 | extern int scsi_init_hosts(void); | |
29 | extern void scsi_exit_hosts(void); | |
30 | ||
31 | /* scsi.c */ | |
8d58881b | 32 | extern bool scsi_use_blk_mq; |
0a6ac4ee | 33 | int scsi_init_sense_cache(struct Scsi_Host *shost); |
e9c787e6 | 34 | void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd); |
1da177e4 LT |
35 | #ifdef CONFIG_SCSI_LOGGING |
36 | void scsi_log_send(struct scsi_cmnd *cmd); | |
37 | void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); | |
38 | #else | |
39 | static inline void scsi_log_send(struct scsi_cmnd *cmd) | |
40 | { }; | |
41 | static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) | |
42 | { }; | |
43 | #endif | |
44 | ||
45 | /* scsi_devinfo.c */ | |
598fa4b7 JB |
46 | |
47 | /* list of keys for the lists */ | |
4b1d8e78 | 48 | enum scsi_devinfo_key { |
598fa4b7 | 49 | SCSI_DEVINFO_GLOBAL = 0, |
a9e0edb6 | 50 | SCSI_DEVINFO_SPI, |
598fa4b7 JB |
51 | }; |
52 | ||
5ebde469 HR |
53 | extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, |
54 | const unsigned char *vendor, | |
55 | const unsigned char *model); | |
56 | extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, | |
57 | const unsigned char *vendor, | |
58 | const unsigned char *model, | |
4b1d8e78 | 59 | enum scsi_devinfo_key key); |
598fa4b7 JB |
60 | extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, |
61 | char *model, char *strflags, | |
4b1d8e78 BVA |
62 | blist_flags_t flags, |
63 | enum scsi_devinfo_key key); | |
64 | extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, | |
65 | enum scsi_devinfo_key key); | |
66 | extern int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name); | |
67 | extern int scsi_dev_info_remove_list(enum scsi_devinfo_key key); | |
598fa4b7 | 68 | |
1da177e4 LT |
69 | extern int __init scsi_init_devinfo(void); |
70 | extern void scsi_exit_devinfo(void); | |
71 | ||
72 | /* scsi_error.c */ | |
e494f6a7 | 73 | extern void scmd_eh_abort_handler(struct work_struct *work); |
242f9dcb | 74 | extern enum blk_eh_timer_return scsi_times_out(struct request *req); |
1da177e4 LT |
75 | extern int scsi_error_handler(void *host); |
76 | extern int scsi_decide_disposition(struct scsi_cmnd *cmd); | |
77 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); | |
a0658632 | 78 | extern void scsi_eh_scmd_add(struct scsi_cmnd *); |
dca84e46 DW |
79 | void scsi_eh_ready_devs(struct Scsi_Host *shost, |
80 | struct list_head *work_q, | |
81 | struct list_head *done_q); | |
82 | int scsi_eh_get_sense(struct list_head *work_q, | |
83 | struct list_head *done_q); | |
4a27446f | 84 | int scsi_noretry_cmd(struct scsi_cmnd *scmd); |
1da177e4 LT |
85 | |
86 | /* scsi_lib.c */ | |
2dd6fb59 BVA |
87 | extern void scsi_add_cmd_to_list(struct scsi_cmnd *cmd); |
88 | extern void scsi_del_cmd_from_list(struct scsi_cmnd *cmd); | |
1da177e4 | 89 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); |
1da177e4 | 90 | extern void scsi_device_unbusy(struct scsi_device *sdev); |
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); |
d285203c | 95 | extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev); |
66483a4a | 96 | extern void scsi_start_queue(struct scsi_device *sdev); |
d285203c CH |
97 | extern int scsi_mq_setup_tags(struct Scsi_Host *shost); |
98 | extern void scsi_mq_destroy_tags(struct Scsi_Host *shost); | |
1da177e4 LT |
99 | extern int scsi_init_queue(void); |
100 | extern void scsi_exit_queue(void); | |
d67e8b38 | 101 | extern void scsi_evt_thread(struct work_struct *work); |
751bf4d7 JB |
102 | struct request_queue; |
103 | struct request; | |
1da177e4 LT |
104 | |
105 | /* scsi_proc.c */ | |
106 | #ifdef CONFIG_SCSI_PROC_FS | |
107 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
108 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
109 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
110 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
111 | extern int scsi_init_procfs(void); | |
112 | extern void scsi_exit_procfs(void); | |
113 | #else | |
114 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
115 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
116 | # define scsi_proc_host_add(shost) do { } while (0) | |
117 | # define scsi_proc_host_rm(shost) do { } while (0) | |
118 | # define scsi_init_procfs() (0) | |
119 | # define scsi_exit_procfs() do { } while (0) | |
120 | #endif /* CONFIG_PROC_FS */ | |
121 | ||
122 | /* scsi_scan.c */ | |
3c31b52f | 123 | extern char scsi_scan_type[]; |
fea6d607 | 124 | extern int scsi_complete_async_scans(void); |
1da177e4 | 125 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, |
1d645088 | 126 | unsigned int, u64, enum scsi_scan_mode); |
1da177e4 LT |
127 | extern void scsi_forget_host(struct Scsi_Host *); |
128 | extern void scsi_rescan_device(struct device *); | |
129 | ||
130 | /* scsi_sysctl.c */ | |
131 | #ifdef CONFIG_SYSCTL | |
132 | extern int scsi_init_sysctl(void); | |
133 | extern void scsi_exit_sysctl(void); | |
134 | #else | |
135 | # define scsi_init_sysctl() (0) | |
136 | # define scsi_exit_sysctl() do { } while (0) | |
137 | #endif /* CONFIG_SYSCTL */ | |
138 | ||
139 | /* scsi_sysfs.c */ | |
1da177e4 LT |
140 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
141 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
142 | extern int scsi_sysfs_register(void); | |
143 | extern void scsi_sysfs_unregister(void); | |
144 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
145 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
146 | extern struct scsi_transport_template blank_transport_template; | |
903f4fed | 147 | extern void __scsi_remove_device(struct scsi_device *); |
1da177e4 | 148 | |
1da177e4 | 149 | extern struct bus_type scsi_bus_type; |
a4dbd674 | 150 | extern const struct attribute_group *scsi_sysfs_shost_attr_groups[]; |
1da177e4 | 151 | |
84314fd4 JS |
152 | /* scsi_netlink.c */ |
153 | #ifdef CONFIG_SCSI_NETLINK | |
154 | extern void scsi_netlink_init(void); | |
155 | extern void scsi_netlink_exit(void); | |
156 | extern struct sock *scsi_nl_sock; | |
157 | #else | |
158 | static inline void scsi_netlink_init(void) {} | |
159 | static inline void scsi_netlink_exit(void) {} | |
160 | #endif | |
161 | ||
db5bd1e0 | 162 | /* scsi_pm.c */ |
aa338601 | 163 | #ifdef CONFIG_PM |
db5bd1e0 | 164 | extern const struct dev_pm_ops scsi_bus_pm_ops; |
4f7ad521 | 165 | |
bc4f2401 AS |
166 | extern void scsi_autopm_get_target(struct scsi_target *); |
167 | extern void scsi_autopm_put_target(struct scsi_target *); | |
168 | extern int scsi_autopm_get_host(struct Scsi_Host *); | |
169 | extern void scsi_autopm_put_host(struct Scsi_Host *); | |
170 | #else | |
171 | static inline void scsi_autopm_get_target(struct scsi_target *t) {} | |
172 | static inline void scsi_autopm_put_target(struct scsi_target *t) {} | |
173 | static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } | |
174 | static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} | |
4f7ad521 | 175 | #endif /* CONFIG_PM */ |
db5bd1e0 | 176 | |
3c31b52f | 177 | extern struct async_domain scsi_sd_pm_domain; |
a7a20d10 | 178 | |
086b91d0 CH |
179 | /* scsi_dh.c */ |
180 | #ifdef CONFIG_SCSI_DH | |
2930f817 | 181 | void scsi_dh_add_device(struct scsi_device *sdev); |
23695e41 | 182 | void scsi_dh_release_device(struct scsi_device *sdev); |
086b91d0 | 183 | #else |
2930f817 | 184 | static inline void scsi_dh_add_device(struct scsi_device *sdev) { } |
23695e41 | 185 | static inline void scsi_dh_release_device(struct scsi_device *sdev) { } |
086b91d0 CH |
186 | #endif |
187 | ||
1da177e4 LT |
188 | /* |
189 | * internal scsi timeout functions: for use by mid-layer and transport | |
190 | * classes. | |
191 | */ | |
192 | ||
1c9e16e4 | 193 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
1da177e4 LT |
194 | |
195 | #endif /* _SCSI_PRIV_H */ |