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1 | #ifndef _SCSI_PRIV_H |
2 | #define _SCSI_PRIV_H |
3 | |
4 | #include <linux/device.h> |
5 | #include <linux/async.h> |
6 | #include <scsi/scsi_device.h> |
7 | |
8 | struct request_queue; |
9 | struct request; |
10 | struct scsi_cmnd; |
11 | struct scsi_device; |
12 | struct scsi_target; |
13 | struct scsi_host_template; |
14 | struct Scsi_Host; |
15 | struct scsi_nl_hdr; |
16 | |
17 | |
18 | /* |
19 | * Scsi Error Handler Flags |
20 | */ |
21 | #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ |
22 | |
23 | #define SCSI_SENSE_VALID(scmd) \ |
24 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) |
25 | |
26 | /* hosts.c */ |
27 | extern int scsi_init_hosts(void); |
28 | extern void scsi_exit_hosts(void); |
29 | |
30 | /* scsi.c */ |
31 | extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd); |
32 | extern int scsi_setup_command_freelist(struct Scsi_Host *shost); |
33 | extern void scsi_destroy_command_freelist(struct Scsi_Host *shost); |
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 */ |
45 | |
46 | /* list of keys for the lists */ |
47 | enum { |
48 | SCSI_DEVINFO_GLOBAL = 0, |
49 | SCSI_DEVINFO_SPI, |
50 | }; |
51 | |
52 | extern int scsi_get_device_flags(struct scsi_device *sdev, |
53 | const unsigned char *vendor, |
54 | const unsigned char *model); |
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); |
61 | extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key); |
62 | extern int scsi_dev_info_add_list(int key, const char *name); |
63 | extern int scsi_dev_info_remove_list(int key); |
64 | |
65 | extern int __init scsi_init_devinfo(void); |
66 | extern void scsi_exit_devinfo(void); |
67 | |
68 | /* scsi_error.c */ |
69 | extern enum blk_eh_timer_return scsi_times_out(struct request *req); |
70 | extern int scsi_error_handler(void *host); |
71 | extern int scsi_decide_disposition(struct scsi_cmnd *cmd); |
72 | extern void scsi_eh_wakeup(struct Scsi_Host *shost); |
73 | extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); |
74 | void scsi_eh_ready_devs(struct Scsi_Host *shost, |
75 | struct list_head *work_q, |
76 | struct list_head *done_q); |
77 | int scsi_eh_get_sense(struct list_head *work_q, |
78 | struct list_head *done_q); |
79 | int scsi_noretry_cmd(struct scsi_cmnd *scmd); |
80 | |
81 | /* scsi_lib.c */ |
82 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); |
83 | extern void scsi_device_unbusy(struct scsi_device *sdev); |
84 | extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason); |
85 | extern void scsi_next_command(struct scsi_cmnd *cmd); |
86 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
87 | extern void scsi_run_host_queues(struct Scsi_Host *shost); |
88 | extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); |
89 | extern int scsi_init_queue(void); |
90 | extern void scsi_exit_queue(void); |
91 | struct request_queue; |
92 | struct request; |
93 | extern struct kmem_cache *scsi_sdb_cache; |
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_complete_async_scans(void); |
114 | extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, |
115 | unsigned int, unsigned int, int); |
116 | extern void scsi_forget_host(struct Scsi_Host *); |
117 | extern void scsi_rescan_device(struct device *); |
118 | |
119 | /* scsi_sysctl.c */ |
120 | #ifdef CONFIG_SYSCTL |
121 | extern int scsi_init_sysctl(void); |
122 | extern void scsi_exit_sysctl(void); |
123 | #else |
124 | # define scsi_init_sysctl() (0) |
125 | # define scsi_exit_sysctl() do { } while (0) |
126 | #endif /* CONFIG_SYSCTL */ |
127 | |
128 | /* scsi_sysfs.c */ |
129 | extern int scsi_sysfs_add_sdev(struct scsi_device *); |
130 | extern int scsi_sysfs_add_host(struct Scsi_Host *); |
131 | extern int scsi_sysfs_register(void); |
132 | extern void scsi_sysfs_unregister(void); |
133 | extern void scsi_sysfs_device_initialize(struct scsi_device *); |
134 | extern int scsi_sysfs_target_initialize(struct scsi_device *); |
135 | extern struct scsi_transport_template blank_transport_template; |
136 | extern void __scsi_remove_device(struct scsi_device *); |
137 | |
138 | extern struct bus_type scsi_bus_type; |
139 | extern const struct attribute_group *scsi_sysfs_shost_attr_groups[]; |
140 | |
141 | /* scsi_netlink.c */ |
142 | #ifdef CONFIG_SCSI_NETLINK |
143 | extern void scsi_netlink_init(void); |
144 | extern void scsi_netlink_exit(void); |
145 | extern struct sock *scsi_nl_sock; |
146 | #else |
147 | static inline void scsi_netlink_init(void) {} |
148 | static inline void scsi_netlink_exit(void) {} |
149 | #endif |
150 | |
151 | /* scsi_pm.c */ |
152 | #ifdef CONFIG_PM |
153 | extern const struct dev_pm_ops scsi_bus_pm_ops; |
154 | #endif |
155 | #ifdef CONFIG_PM_RUNTIME |
156 | extern void scsi_autopm_get_target(struct scsi_target *); |
157 | extern void scsi_autopm_put_target(struct scsi_target *); |
158 | extern int scsi_autopm_get_host(struct Scsi_Host *); |
159 | extern void scsi_autopm_put_host(struct Scsi_Host *); |
160 | #else |
161 | static inline void scsi_autopm_get_target(struct scsi_target *t) {} |
162 | static inline void scsi_autopm_put_target(struct scsi_target *t) {} |
163 | static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } |
164 | static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} |
165 | #endif /* CONFIG_PM_RUNTIME */ |
166 | |
167 | extern struct async_domain scsi_sd_probe_domain; |
168 | |
169 | /* |
170 | * internal scsi timeout functions: for use by mid-layer and transport |
171 | * classes. |
172 | */ |
173 | |
174 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
175 | extern int scsi_internal_device_block(struct scsi_device *sdev); |
176 | extern int scsi_internal_device_unblock(struct scsi_device *sdev, |
177 | enum scsi_device_state new_state); |
178 | |
179 | #endif /* _SCSI_PRIV_H */ |
180 |
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