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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; | |
242f9dcb | 7 | struct request; |
1da177e4 LT |
8 | struct scsi_cmnd; |
9 | struct scsi_device; | |
bc4f2401 | 10 | struct scsi_target; |
1da177e4 | 11 | struct scsi_host_template; |
1da177e4 | 12 | struct Scsi_Host; |
84314fd4 | 13 | struct scsi_nl_hdr; |
1da177e4 LT |
14 | |
15 | ||
1da177e4 LT |
16 | /* |
17 | * Scsi Error Handler Flags | |
18 | */ | |
1da177e4 | 19 | #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ |
1da177e4 LT |
20 | |
21 | #define SCSI_SENSE_VALID(scmd) \ | |
22 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) | |
23 | ||
1da177e4 LT |
24 | /* hosts.c */ |
25 | extern int scsi_init_hosts(void); | |
26 | extern void scsi_exit_hosts(void); | |
27 | ||
28 | /* scsi.c */ | |
29 | extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd); | |
30 | extern int scsi_setup_command_freelist(struct Scsi_Host *shost); | |
31 | extern void scsi_destroy_command_freelist(struct Scsi_Host *shost); | |
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 | ||
42 | /* scsi_devinfo.c */ | |
598fa4b7 JB |
43 | |
44 | /* list of keys for the lists */ | |
45 | enum { | |
46 | SCSI_DEVINFO_GLOBAL = 0, | |
a9e0edb6 | 47 | SCSI_DEVINFO_SPI, |
940d7faa | 48 | SCSI_DEVINFO_DH, |
598fa4b7 JB |
49 | }; |
50 | ||
1da177e4 | 51 | extern int scsi_get_device_flags(struct scsi_device *sdev, |
7f23e146 JB |
52 | const unsigned char *vendor, |
53 | const unsigned char *model); | |
598fa4b7 JB |
54 | extern int scsi_get_device_flags_keyed(struct scsi_device *sdev, |
55 | const unsigned char *vendor, | |
56 | const unsigned char *model, int key); | |
57 | extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, | |
58 | char *model, char *strflags, | |
59 | int flags, int key); | |
38a039be | 60 | extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key); |
598fa4b7 JB |
61 | extern int scsi_dev_info_add_list(int key, const char *name); |
62 | extern int scsi_dev_info_remove_list(int key); | |
63 | ||
1da177e4 LT |
64 | extern int __init scsi_init_devinfo(void); |
65 | extern void scsi_exit_devinfo(void); | |
66 | ||
67 | /* scsi_error.c */ | |
242f9dcb | 68 | extern enum blk_eh_timer_return scsi_times_out(struct request *req); |
1da177e4 LT |
69 | extern int scsi_error_handler(void *host); |
70 | extern int scsi_decide_disposition(struct scsi_cmnd *cmd); | |
71 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); | |
72 | extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); | |
dca84e46 DW |
73 | void scsi_eh_ready_devs(struct Scsi_Host *shost, |
74 | struct list_head *work_q, | |
75 | struct list_head *done_q); | |
76 | int scsi_eh_get_sense(struct list_head *work_q, | |
77 | struct list_head *done_q); | |
4a27446f | 78 | int scsi_noretry_cmd(struct scsi_cmnd *scmd); |
1da177e4 LT |
79 | |
80 | /* scsi_lib.c */ | |
81 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); | |
1da177e4 LT |
82 | extern void scsi_device_unbusy(struct scsi_device *sdev); |
83 | extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason); | |
84 | extern void scsi_next_command(struct scsi_cmnd *cmd); | |
7b3d9545 | 85 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
1da177e4 LT |
86 | extern void scsi_run_host_queues(struct Scsi_Host *shost); |
87 | extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); | |
88 | extern void scsi_free_queue(struct request_queue *q); | |
89 | extern int scsi_init_queue(void); | |
90 | extern void scsi_exit_queue(void); | |
751bf4d7 JB |
91 | struct request_queue; |
92 | struct request; | |
7027ad72 | 93 | extern struct kmem_cache *scsi_sdb_cache; |
1da177e4 LT |
94 | |
95 | /* scsi_proc.c */ | |
96 | #ifdef CONFIG_SCSI_PROC_FS | |
97 | extern void scsi_proc_hostdir_add(struct scsi_host_template *); | |
98 | extern void scsi_proc_hostdir_rm(struct scsi_host_template *); | |
99 | extern void scsi_proc_host_add(struct Scsi_Host *); | |
100 | extern void scsi_proc_host_rm(struct Scsi_Host *); | |
101 | extern int scsi_init_procfs(void); | |
102 | extern void scsi_exit_procfs(void); | |
103 | #else | |
104 | # define scsi_proc_hostdir_add(sht) do { } while (0) | |
105 | # define scsi_proc_hostdir_rm(sht) do { } while (0) | |
106 | # define scsi_proc_host_add(shost) do { } while (0) | |
107 | # define scsi_proc_host_rm(shost) do { } while (0) | |
108 | # define scsi_init_procfs() (0) | |
109 | # define scsi_exit_procfs() do { } while (0) | |
110 | #endif /* CONFIG_PROC_FS */ | |
111 | ||
112 | /* scsi_scan.c */ | |
113 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, | |
114 | unsigned int, unsigned int, int); | |
115 | extern void scsi_forget_host(struct Scsi_Host *); | |
116 | extern void scsi_rescan_device(struct device *); | |
117 | ||
118 | /* scsi_sysctl.c */ | |
119 | #ifdef CONFIG_SYSCTL | |
120 | extern int scsi_init_sysctl(void); | |
121 | extern void scsi_exit_sysctl(void); | |
122 | #else | |
123 | # define scsi_init_sysctl() (0) | |
124 | # define scsi_exit_sysctl() do { } while (0) | |
125 | #endif /* CONFIG_SYSCTL */ | |
126 | ||
127 | /* scsi_sysfs.c */ | |
1da177e4 LT |
128 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
129 | extern int scsi_sysfs_add_host(struct Scsi_Host *); | |
130 | extern int scsi_sysfs_register(void); | |
131 | extern void scsi_sysfs_unregister(void); | |
132 | extern void scsi_sysfs_device_initialize(struct scsi_device *); | |
133 | extern int scsi_sysfs_target_initialize(struct scsi_device *); | |
134 | extern struct scsi_transport_template blank_transport_template; | |
903f4fed | 135 | extern void __scsi_remove_device(struct scsi_device *); |
1da177e4 | 136 | |
1da177e4 | 137 | extern struct bus_type scsi_bus_type; |
a4dbd674 | 138 | extern const struct attribute_group *scsi_sysfs_shost_attr_groups[]; |
1da177e4 | 139 | |
84314fd4 JS |
140 | /* scsi_netlink.c */ |
141 | #ifdef CONFIG_SCSI_NETLINK | |
142 | extern void scsi_netlink_init(void); | |
143 | extern void scsi_netlink_exit(void); | |
144 | extern struct sock *scsi_nl_sock; | |
145 | #else | |
146 | static inline void scsi_netlink_init(void) {} | |
147 | static inline void scsi_netlink_exit(void) {} | |
148 | #endif | |
149 | ||
db5bd1e0 | 150 | /* scsi_pm.c */ |
aa338601 | 151 | #ifdef CONFIG_PM |
db5bd1e0 | 152 | extern const struct dev_pm_ops scsi_bus_pm_ops; |
db5bd1e0 | 153 | #endif |
bc4f2401 AS |
154 | #ifdef CONFIG_PM_RUNTIME |
155 | extern void scsi_autopm_get_target(struct scsi_target *); | |
156 | extern void scsi_autopm_put_target(struct scsi_target *); | |
157 | extern int scsi_autopm_get_host(struct Scsi_Host *); | |
158 | extern void scsi_autopm_put_host(struct Scsi_Host *); | |
159 | #else | |
160 | static inline void scsi_autopm_get_target(struct scsi_target *t) {} | |
161 | static inline void scsi_autopm_put_target(struct scsi_target *t) {} | |
162 | static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } | |
163 | static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} | |
164 | #endif /* CONFIG_PM_RUNTIME */ | |
db5bd1e0 | 165 | |
1da177e4 LT |
166 | /* |
167 | * internal scsi timeout functions: for use by mid-layer and transport | |
168 | * classes. | |
169 | */ | |
170 | ||
1c9e16e4 | 171 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
1da177e4 LT |
172 | extern int scsi_internal_device_block(struct scsi_device *sdev); |
173 | extern int scsi_internal_device_unblock(struct scsi_device *sdev); | |
174 | ||
175 | #endif /* _SCSI_PRIV_H */ |