projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _SCSI_PRIV_H |
| 2 | #define _SCSI_PRIV_H | |
| 3 | ||
| 4 | #include <linux/config.h> | |
| 5 | #include <linux/device.h> | |
| 6 | ||
| 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; | |
| 13 | ||
| 14 | ||
| 1da177e4 LT |
15 | /* |
| 16 | * Magic values for certain scsi structs. Shouldn't ever be used. | |
| 17 | */ | |
| 18 | #define SCSI_CMND_MAGIC 0xE25C23A5 | |
| 19 | #define SCSI_REQ_MAGIC 0x75F6D354 | |
| 20 | ||
| 1da177e4 LT |
21 | /* |
| 22 | * Scsi Error Handler Flags | |
| 23 | */ | |
| 1da177e4 | 24 | #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ |
| 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 */ | |
| 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); | |
| 1da177e4 LT |
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); | |
| 1aea6434 | 41 | extern int scsi_retry_command(struct scsi_cmnd *cmd); |
| 1da177e4 LT |
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 | |
| 51 | ||
| 52 | /* scsi_devinfo.c */ | |
| 53 | extern int scsi_get_device_flags(struct scsi_device *sdev, | |
| 7f23e146 JB |
54 | const unsigned char *vendor, |
| 55 | const unsigned char *model); | |
| 1da177e4 LT |
56 | extern int __init scsi_init_devinfo(void); |
| 57 | extern void scsi_exit_devinfo(void); | |
| 58 | ||
| 59 | /* scsi_error.c */ | |
| fe1b2d54 CH |
60 | extern void scsi_add_timer(struct scsi_cmnd *, int, |
| 61 | void (*)(struct scsi_cmnd *)); | |
| 62 | extern int scsi_delete_timer(struct scsi_cmnd *); | |
| 1da177e4 LT |
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); | |
| 1da177e4 LT |
66 | extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); |
| 67 | ||
| 68 | /* scsi_lib.c */ | |
| 69 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); | |
| 70 | extern void scsi_setup_cmd_retry(struct scsi_cmnd *cmd); | |
| 71 | extern void scsi_device_unbusy(struct scsi_device *sdev); | |
| 72 | extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason); | |
| 73 | extern void scsi_next_command(struct scsi_cmnd *cmd); | |
| 74 | extern void scsi_run_host_queues(struct Scsi_Host *shost); | |
| 75 | extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); | |
| 76 | extern void scsi_free_queue(struct request_queue *q); | |
| 77 | extern int scsi_init_queue(void); | |
| 78 | extern void scsi_exit_queue(void); | |
| 79 | ||
| 80 | /* scsi_proc.c */ | |
| 81 | #ifdef CONFIG_SCSI_PROC_FS | |
| 82 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
| 83 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
| 84 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
| 85 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
| 86 | extern int scsi_init_procfs(void); | |
| 87 | extern void scsi_exit_procfs(void); | |
| 88 | #else | |
| 89 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
| 90 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
| 91 | # define scsi_proc_host_add(shost) do { } while (0) | |
| 92 | # define scsi_proc_host_rm(shost) do { } while (0) | |
| 93 | # define scsi_init_procfs() (0) | |
| 94 | # define scsi_exit_procfs() do { } while (0) | |
| 95 | #endif /* CONFIG_PROC_FS */ | |
| 96 | ||
| 97 | /* scsi_scan.c */ | |
| 98 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, | |
| 99 | unsigned int, unsigned int, int); | |
| 100 | extern void scsi_forget_host(struct Scsi_Host *); | |
| 101 | extern void scsi_rescan_device(struct device *); | |
| 102 | ||
| 103 | /* scsi_sysctl.c */ | |
| 104 | #ifdef CONFIG_SYSCTL | |
| 105 | extern int scsi_init_sysctl(void); | |
| 106 | extern void scsi_exit_sysctl(void); | |
| 107 | #else | |
| 108 | # define scsi_init_sysctl() (0) | |
| 109 | # define scsi_exit_sysctl() do { } while (0) | |
| 110 | #endif /* CONFIG_SYSCTL */ | |
| 111 | ||
| 112 | /* scsi_sysfs.c */ | |
| 1da177e4 LT |
113 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
| 114 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
| 115 | extern int scsi_sysfs_register(void); | |
| 116 | extern void scsi_sysfs_unregister(void); | |
| 117 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
| 118 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
| 119 | extern struct scsi_transport_template blank_transport_template; | |
| 903f4fed | 120 | extern void __scsi_remove_device(struct scsi_device *); |
| 1da177e4 | 121 | |
| 1da177e4 LT |
122 | extern struct bus_type scsi_bus_type; |
| 123 | ||
| 124 | /* | |
| 125 | * internal scsi timeout functions: for use by mid-layer and transport | |
| 126 | * classes. | |
| 127 | */ | |
| 128 | ||
| 129 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT (HZ*60) | |
| 130 | extern int scsi_internal_device_block(struct scsi_device *sdev); | |
| 131 | extern int scsi_internal_device_unblock(struct scsi_device *sdev); | |
| 132 | ||
| 133 | #endif /* _SCSI_PRIV_H */ |