[CPUFREQ] Fix the p4-clockmod N60 errata workaround.
[linux-2.6/mini2440.git] / drivers / scsi / scsi_priv.h
blob27c48274e8cb11f1b26e2744699bdb4182116dae
1 #ifndef _SCSI_PRIV_H
2 #define _SCSI_PRIV_H
4 #include <linux/config.h>
5 #include <linux/device.h>
7 struct request_queue;
8 struct scsi_cmnd;
9 struct scsi_device;
10 struct scsi_host_template;
11 struct scsi_request;
12 struct Scsi_Host;
16 * Magic values for certain scsi structs. Shouldn't ever be used.
18 #define SCSI_CMND_MAGIC 0xE25C23A5
19 #define SCSI_REQ_MAGIC 0x75F6D354
22 * Scsi Error Handler Flags
24 #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */
26 #define SCSI_SENSE_VALID(scmd) \
27 (((scmd)->sense_buffer[0] & 0x70) == 0x70)
29 /* hosts.c */
30 extern int scsi_init_hosts(void);
31 extern void scsi_exit_hosts(void);
33 /* scsi.c */
34 extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd);
35 extern int scsi_setup_command_freelist(struct Scsi_Host *shost);
36 extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
37 extern void scsi_init_cmd_from_req(struct scsi_cmnd *cmd,
38 struct scsi_request *sreq);
39 extern void __scsi_release_request(struct scsi_request *sreq);
40 extern void __scsi_done(struct scsi_cmnd *cmd);
41 extern int scsi_retry_command(struct scsi_cmnd *cmd);
42 #ifdef CONFIG_SCSI_LOGGING
43 void scsi_log_send(struct scsi_cmnd *cmd);
44 void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
45 #else
46 static inline void scsi_log_send(struct scsi_cmnd *cmd)
47 { };
48 static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
49 { };
50 #endif
52 /* scsi_devinfo.c */
53 extern int scsi_get_device_flags(struct scsi_device *sdev,
54 const unsigned char *vendor,
55 const unsigned char *model);
56 extern int __init scsi_init_devinfo(void);
57 extern void scsi_exit_devinfo(void);
59 /* scsi_error.c */
60 extern void scsi_add_timer(struct scsi_cmnd *, int,
61 void (*)(struct scsi_cmnd *));
62 extern int scsi_delete_timer(struct scsi_cmnd *);
63 extern void scsi_times_out(struct scsi_cmnd *cmd);
64 extern int scsi_error_handler(void *host);
65 extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
66 extern void scsi_eh_wakeup(struct Scsi_Host *shost);
67 extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
69 /* scsi_lib.c */
70 extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
71 extern void scsi_setup_cmd_retry(struct scsi_cmnd *cmd);
72 extern void scsi_device_unbusy(struct scsi_device *sdev);
73 extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
74 extern void scsi_next_command(struct scsi_cmnd *cmd);
75 extern void scsi_run_host_queues(struct Scsi_Host *shost);
76 extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
77 extern void scsi_free_queue(struct request_queue *q);
78 extern int scsi_init_queue(void);
79 extern void scsi_exit_queue(void);
81 /* scsi_proc.c */
82 #ifdef CONFIG_SCSI_PROC_FS
83 extern void scsi_proc_hostdir_add(struct scsi_host_template *);
84 extern void scsi_proc_hostdir_rm(struct scsi_host_template *);
85 extern void scsi_proc_host_add(struct Scsi_Host *);
86 extern void scsi_proc_host_rm(struct Scsi_Host *);
87 extern int scsi_init_procfs(void);
88 extern void scsi_exit_procfs(void);
89 #else
90 # define scsi_proc_hostdir_add(sht) do { } while (0)
91 # define scsi_proc_hostdir_rm(sht) do { } while (0)
92 # define scsi_proc_host_add(shost) do { } while (0)
93 # define scsi_proc_host_rm(shost) do { } while (0)
94 # define scsi_init_procfs() (0)
95 # define scsi_exit_procfs() do { } while (0)
96 #endif /* CONFIG_PROC_FS */
98 /* scsi_scan.c */
99 extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
100 unsigned int, unsigned int, int);
101 extern void scsi_forget_host(struct Scsi_Host *);
102 extern void scsi_rescan_device(struct device *);
104 /* scsi_sysctl.c */
105 #ifdef CONFIG_SYSCTL
106 extern int scsi_init_sysctl(void);
107 extern void scsi_exit_sysctl(void);
108 #else
109 # define scsi_init_sysctl() (0)
110 # define scsi_exit_sysctl() do { } while (0)
111 #endif /* CONFIG_SYSCTL */
113 /* scsi_sysfs.c */
114 extern int scsi_sysfs_add_sdev(struct scsi_device *);
115 extern int scsi_sysfs_add_host(struct Scsi_Host *);
116 extern int scsi_sysfs_register(void);
117 extern void scsi_sysfs_unregister(void);
118 extern void scsi_sysfs_device_initialize(struct scsi_device *);
119 extern int scsi_sysfs_target_initialize(struct scsi_device *);
120 extern struct scsi_transport_template blank_transport_template;
121 extern void __scsi_remove_device(struct scsi_device *);
123 extern struct bus_type scsi_bus_type;
126 * internal scsi timeout functions: for use by mid-layer and transport
127 * classes.
130 #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT (HZ*60)
131 extern int scsi_internal_device_block(struct scsi_device *sdev);
132 extern int scsi_internal_device_unblock(struct scsi_device *sdev);
134 #endif /* _SCSI_PRIV_H */