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1da177e4 LT |
1 | #ifndef _SCSI_PRIV_H |
2 | #define _SCSI_PRIV_H | |
3 | ||
1da177e4 | 4 | #include <linux/device.h> |
2955b47d | 5 | #include <linux/async.h> |
5d9fb5cc | 6 | #include <scsi/scsi_device.h> |
1da177e4 LT |
7 | |
8 | struct request_queue; | |
242f9dcb | 9 | struct request; |
1da177e4 LT |
10 | struct scsi_cmnd; |
11 | struct scsi_device; | |
bc4f2401 | 12 | struct scsi_target; |
1da177e4 | 13 | struct scsi_host_template; |
1da177e4 | 14 | struct Scsi_Host; |
84314fd4 | 15 | struct scsi_nl_hdr; |
1da177e4 LT |
16 | |
17 | ||
1da177e4 LT |
18 | /* |
19 | * Scsi Error Handler Flags | |
20 | */ | |
e494f6a7 | 21 | #define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */ |
1da177e4 LT |
22 | |
23 | #define SCSI_SENSE_VALID(scmd) \ | |
24 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) | |
25 | ||
1da177e4 LT |
26 | /* hosts.c */ |
27 | extern int scsi_init_hosts(void); | |
28 | extern void scsi_exit_hosts(void); | |
29 | ||
30 | /* scsi.c */ | |
8d58881b | 31 | extern bool scsi_use_blk_mq; |
0a6ac4ee | 32 | int scsi_init_sense_cache(struct Scsi_Host *shost); |
e9c787e6 | 33 | void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd); |
1da177e4 LT |
34 | #ifdef CONFIG_SCSI_LOGGING |
35 | void scsi_log_send(struct scsi_cmnd *cmd); | |
36 | void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); | |
37 | #else | |
38 | static inline void scsi_log_send(struct scsi_cmnd *cmd) | |
39 | { }; | |
40 | static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) | |
41 | { }; | |
42 | #endif | |
43 | ||
44 | /* scsi_devinfo.c */ | |
598fa4b7 JB |
45 | |
46 | /* list of keys for the lists */ | |
47 | enum { | |
48 | SCSI_DEVINFO_GLOBAL = 0, | |
a9e0edb6 | 49 | SCSI_DEVINFO_SPI, |
598fa4b7 JB |
50 | }; |
51 | ||
1da177e4 | 52 | extern int scsi_get_device_flags(struct scsi_device *sdev, |
7f23e146 JB |
53 | const unsigned char *vendor, |
54 | const unsigned char *model); | |
598fa4b7 JB |
55 | extern int scsi_get_device_flags_keyed(struct scsi_device *sdev, |
56 | const unsigned char *vendor, | |
57 | const unsigned char *model, int key); | |
58 | extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, | |
59 | char *model, char *strflags, | |
60 | int flags, int key); | |
38a039be | 61 | extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key); |
598fa4b7 JB |
62 | extern int scsi_dev_info_add_list(int key, const char *name); |
63 | extern int scsi_dev_info_remove_list(int key); | |
64 | ||
1da177e4 LT |
65 | extern int __init scsi_init_devinfo(void); |
66 | extern void scsi_exit_devinfo(void); | |
67 | ||
68 | /* scsi_error.c */ | |
e494f6a7 | 69 | extern void scmd_eh_abort_handler(struct work_struct *work); |
242f9dcb | 70 | extern enum blk_eh_timer_return scsi_times_out(struct request *req); |
1da177e4 LT |
71 | extern int scsi_error_handler(void *host); |
72 | extern int scsi_decide_disposition(struct scsi_cmnd *cmd); | |
73 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); | |
a0658632 | 74 | extern void scsi_eh_scmd_add(struct scsi_cmnd *); |
dca84e46 DW |
75 | void scsi_eh_ready_devs(struct Scsi_Host *shost, |
76 | struct list_head *work_q, | |
77 | struct list_head *done_q); | |
78 | int scsi_eh_get_sense(struct list_head *work_q, | |
79 | struct list_head *done_q); | |
4a27446f | 80 | int scsi_noretry_cmd(struct scsi_cmnd *scmd); |
1da177e4 LT |
81 | |
82 | /* scsi_lib.c */ | |
83 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); | |
1da177e4 | 84 | extern void scsi_device_unbusy(struct scsi_device *sdev); |
84feb166 | 85 | extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason); |
7b3d9545 | 86 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
1da177e4 | 87 | extern void scsi_run_host_queues(struct Scsi_Host *shost); |
d67e8b38 | 88 | extern void scsi_requeue_run_queue(struct work_struct *work); |
1da177e4 | 89 | extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); |
d285203c CH |
90 | extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev); |
91 | extern int scsi_mq_setup_tags(struct Scsi_Host *shost); | |
92 | extern void scsi_mq_destroy_tags(struct Scsi_Host *shost); | |
1da177e4 LT |
93 | extern int scsi_init_queue(void); |
94 | extern void scsi_exit_queue(void); | |
d67e8b38 | 95 | extern void scsi_evt_thread(struct work_struct *work); |
751bf4d7 JB |
96 | struct request_queue; |
97 | struct request; | |
1da177e4 LT |
98 | |
99 | /* scsi_proc.c */ | |
100 | #ifdef CONFIG_SCSI_PROC_FS | |
101 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
102 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
103 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
104 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
105 | extern int scsi_init_procfs(void); | |
106 | extern void scsi_exit_procfs(void); | |
107 | #else | |
108 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
109 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
110 | # define scsi_proc_host_add(shost) do { } while (0) | |
111 | # define scsi_proc_host_rm(shost) do { } while (0) | |
112 | # define scsi_init_procfs() (0) | |
113 | # define scsi_exit_procfs() do { } while (0) | |
114 | #endif /* CONFIG_PROC_FS */ | |
115 | ||
116 | /* scsi_scan.c */ | |
3c31b52f | 117 | extern char scsi_scan_type[]; |
fea6d607 | 118 | extern int scsi_complete_async_scans(void); |
1da177e4 | 119 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, |
1d645088 | 120 | unsigned int, u64, enum scsi_scan_mode); |
1da177e4 LT |
121 | extern void scsi_forget_host(struct Scsi_Host *); |
122 | extern void scsi_rescan_device(struct device *); | |
123 | ||
124 | /* scsi_sysctl.c */ | |
125 | #ifdef CONFIG_SYSCTL | |
126 | extern int scsi_init_sysctl(void); | |
127 | extern void scsi_exit_sysctl(void); | |
128 | #else | |
129 | # define scsi_init_sysctl() (0) | |
130 | # define scsi_exit_sysctl() do { } while (0) | |
131 | #endif /* CONFIG_SYSCTL */ | |
132 | ||
133 | /* scsi_sysfs.c */ | |
1da177e4 LT |
134 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
135 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
136 | extern int scsi_sysfs_register(void); | |
137 | extern void scsi_sysfs_unregister(void); | |
138 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
139 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
140 | extern struct scsi_transport_template blank_transport_template; | |
903f4fed | 141 | extern void __scsi_remove_device(struct scsi_device *); |
1da177e4 | 142 | |
1da177e4 | 143 | extern struct bus_type scsi_bus_type; |
a4dbd674 | 144 | extern const struct attribute_group *scsi_sysfs_shost_attr_groups[]; |
1da177e4 | 145 | |
84314fd4 JS |
146 | /* scsi_netlink.c */ |
147 | #ifdef CONFIG_SCSI_NETLINK | |
148 | extern void scsi_netlink_init(void); | |
149 | extern void scsi_netlink_exit(void); | |
150 | extern struct sock *scsi_nl_sock; | |
151 | #else | |
152 | static inline void scsi_netlink_init(void) {} | |
153 | static inline void scsi_netlink_exit(void) {} | |
154 | #endif | |
155 | ||
db5bd1e0 | 156 | /* scsi_pm.c */ |
aa338601 | 157 | #ifdef CONFIG_PM |
db5bd1e0 | 158 | extern const struct dev_pm_ops scsi_bus_pm_ops; |
4f7ad521 | 159 | |
bc4f2401 AS |
160 | extern void scsi_autopm_get_target(struct scsi_target *); |
161 | extern void scsi_autopm_put_target(struct scsi_target *); | |
162 | extern int scsi_autopm_get_host(struct Scsi_Host *); | |
163 | extern void scsi_autopm_put_host(struct Scsi_Host *); | |
164 | #else | |
165 | static inline void scsi_autopm_get_target(struct scsi_target *t) {} | |
166 | static inline void scsi_autopm_put_target(struct scsi_target *t) {} | |
167 | static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } | |
168 | static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} | |
4f7ad521 | 169 | #endif /* CONFIG_PM */ |
db5bd1e0 | 170 | |
3c31b52f | 171 | extern struct async_domain scsi_sd_pm_domain; |
2955b47d | 172 | extern struct async_domain scsi_sd_probe_domain; |
a7a20d10 | 173 | |
086b91d0 CH |
174 | /* scsi_dh.c */ |
175 | #ifdef CONFIG_SCSI_DH | |
176 | int scsi_dh_add_device(struct scsi_device *sdev); | |
23695e41 | 177 | void scsi_dh_release_device(struct scsi_device *sdev); |
086b91d0 CH |
178 | #else |
179 | static inline int scsi_dh_add_device(struct scsi_device *sdev) { return 0; } | |
23695e41 | 180 | static inline void scsi_dh_release_device(struct scsi_device *sdev) { } |
086b91d0 | 181 | #endif |
41f95dd2 | 182 | static inline void scsi_dh_remove_device(struct scsi_device *sdev) { } |
086b91d0 | 183 | |
1da177e4 LT |
184 | /* |
185 | * internal scsi timeout functions: for use by mid-layer and transport | |
186 | * classes. | |
187 | */ | |
188 | ||
1c9e16e4 | 189 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
1da177e4 | 190 | extern int scsi_internal_device_block(struct scsi_device *sdev); |
5d9fb5cc MC |
191 | extern int scsi_internal_device_unblock(struct scsi_device *sdev, |
192 | enum scsi_device_state new_state); | |
1da177e4 LT |
193 | |
194 | #endif /* _SCSI_PRIV_H */ |