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1da177e4 LT |
1 | #ifndef _SCSI_PRIV_H |
2 | #define _SCSI_PRIV_H | |
3 | ||
1da177e4 LT |
4 | #include <linux/device.h> |
5 | ||
6 | struct request_queue; | |
7 | struct scsi_cmnd; | |
8 | struct scsi_device; | |
9 | struct scsi_host_template; | |
1da177e4 | 10 | struct Scsi_Host; |
84314fd4 | 11 | struct scsi_nl_hdr; |
1da177e4 LT |
12 | |
13 | ||
1da177e4 LT |
14 | /* |
15 | * Scsi Error Handler Flags | |
16 | */ | |
1da177e4 | 17 | #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ |
1da177e4 LT |
18 | |
19 | #define SCSI_SENSE_VALID(scmd) \ | |
20 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) | |
21 | ||
1da177e4 LT |
22 | /* hosts.c */ |
23 | extern int scsi_init_hosts(void); | |
24 | extern void scsi_exit_hosts(void); | |
25 | ||
26 | /* scsi.c */ | |
27 | extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd); | |
28 | extern int scsi_setup_command_freelist(struct Scsi_Host *shost); | |
29 | extern void scsi_destroy_command_freelist(struct Scsi_Host *shost); | |
1da177e4 | 30 | extern void __scsi_done(struct scsi_cmnd *cmd); |
1aea6434 | 31 | extern int scsi_retry_command(struct scsi_cmnd *cmd); |
1da177e4 LT |
32 | #ifdef CONFIG_SCSI_LOGGING |
33 | void scsi_log_send(struct scsi_cmnd *cmd); | |
34 | void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); | |
35 | #else | |
36 | static inline void scsi_log_send(struct scsi_cmnd *cmd) | |
37 | { }; | |
38 | static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) | |
39 | { }; | |
40 | #endif | |
41 | ||
3e082a91 MW |
42 | /* scsi_scan.c */ |
43 | int scsi_complete_async_scans(void); | |
44 | ||
1da177e4 LT |
45 | /* scsi_devinfo.c */ |
46 | extern int scsi_get_device_flags(struct scsi_device *sdev, | |
7f23e146 JB |
47 | const unsigned char *vendor, |
48 | const unsigned char *model); | |
1da177e4 LT |
49 | extern int __init scsi_init_devinfo(void); |
50 | extern void scsi_exit_devinfo(void); | |
51 | ||
52 | /* scsi_error.c */ | |
fe1b2d54 CH |
53 | extern void scsi_add_timer(struct scsi_cmnd *, int, |
54 | void (*)(struct scsi_cmnd *)); | |
55 | extern int scsi_delete_timer(struct scsi_cmnd *); | |
1da177e4 LT |
56 | extern void scsi_times_out(struct scsi_cmnd *cmd); |
57 | extern int scsi_error_handler(void *host); | |
58 | extern int scsi_decide_disposition(struct scsi_cmnd *cmd); | |
59 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); | |
60 | extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); | |
61 | ||
62 | /* scsi_lib.c */ | |
63 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); | |
1da177e4 LT |
64 | extern void scsi_device_unbusy(struct scsi_device *sdev); |
65 | extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason); | |
66 | extern void scsi_next_command(struct scsi_cmnd *cmd); | |
67 | extern void scsi_run_host_queues(struct Scsi_Host *shost); | |
68 | extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); | |
69 | extern void scsi_free_queue(struct request_queue *q); | |
70 | extern int scsi_init_queue(void); | |
71 | extern void scsi_exit_queue(void); | |
72 | ||
73 | /* scsi_proc.c */ | |
74 | #ifdef CONFIG_SCSI_PROC_FS | |
75 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
76 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
77 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
78 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
79 | extern int scsi_init_procfs(void); | |
80 | extern void scsi_exit_procfs(void); | |
81 | #else | |
82 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
83 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
84 | # define scsi_proc_host_add(shost) do { } while (0) | |
85 | # define scsi_proc_host_rm(shost) do { } while (0) | |
86 | # define scsi_init_procfs() (0) | |
87 | # define scsi_exit_procfs() do { } while (0) | |
88 | #endif /* CONFIG_PROC_FS */ | |
89 | ||
90 | /* scsi_scan.c */ | |
91 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, | |
92 | unsigned int, unsigned int, int); | |
93 | extern void scsi_forget_host(struct Scsi_Host *); | |
94 | extern void scsi_rescan_device(struct device *); | |
95 | ||
96 | /* scsi_sysctl.c */ | |
97 | #ifdef CONFIG_SYSCTL | |
98 | extern int scsi_init_sysctl(void); | |
99 | extern void scsi_exit_sysctl(void); | |
100 | #else | |
101 | # define scsi_init_sysctl() (0) | |
102 | # define scsi_exit_sysctl() do { } while (0) | |
103 | #endif /* CONFIG_SYSCTL */ | |
104 | ||
105 | /* scsi_sysfs.c */ | |
1da177e4 LT |
106 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
107 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
108 | extern int scsi_sysfs_register(void); | |
109 | extern void scsi_sysfs_unregister(void); | |
110 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
111 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
112 | extern struct scsi_transport_template blank_transport_template; | |
903f4fed | 113 | extern void __scsi_remove_device(struct scsi_device *); |
1da177e4 | 114 | |
1da177e4 LT |
115 | extern struct bus_type scsi_bus_type; |
116 | ||
84314fd4 JS |
117 | /* scsi_netlink.c */ |
118 | #ifdef CONFIG_SCSI_NETLINK | |
119 | extern void scsi_netlink_init(void); | |
120 | extern void scsi_netlink_exit(void); | |
121 | extern struct sock *scsi_nl_sock; | |
122 | #else | |
123 | static inline void scsi_netlink_init(void) {} | |
124 | static inline void scsi_netlink_exit(void) {} | |
125 | #endif | |
126 | ||
1da177e4 LT |
127 | /* |
128 | * internal scsi timeout functions: for use by mid-layer and transport | |
129 | * classes. | |
130 | */ | |
131 | ||
1c9e16e4 | 132 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
1da177e4 LT |
133 | extern int scsi_internal_device_block(struct scsi_device *sdev); |
134 | extern int scsi_internal_device_unblock(struct scsi_device *sdev); | |
135 | ||
136 | #endif /* _SCSI_PRIV_H */ |