1#ifndef _SCSI_PRIV_H
  2#define _SCSI_PRIV_H
  3
  4#include <linux/device.h>
  5
  6struct request_queue;
  7struct request;
  8struct scsi_cmnd;
  9struct scsi_device;
 10struct scsi_target;
 11struct scsi_host_template;
 12struct Scsi_Host;
 13struct scsi_nl_hdr;
 14
 15
 16/*
 17 * Scsi Error Handler Flags
 18 */
 19#define SCSI_EH_CANCEL_CMD	0x0001	/* Cancel this cmd */
 20
 21#define SCSI_SENSE_VALID(scmd) \
 22	(((scmd)->sense_buffer[0] & 0x70) == 0x70)
 23
 24/* hosts.c */
 25extern int scsi_init_hosts(void);
 26extern void scsi_exit_hosts(void);
 27
 28/* scsi.c */
 29extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd);
 30extern int scsi_setup_command_freelist(struct Scsi_Host *shost);
 31extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
 32#ifdef CONFIG_SCSI_LOGGING
 33void scsi_log_send(struct scsi_cmnd *cmd);
 34void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
 35#else
 36static inline void scsi_log_send(struct scsi_cmnd *cmd) 
 37	{ };
 38static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
 39	{ };
 40#endif
 41
 42/* scsi_devinfo.c */
 43
 44/* list of keys for the lists */
 45enum {
 46	SCSI_DEVINFO_GLOBAL = 0,
 47	SCSI_DEVINFO_SPI,
 48	SCSI_DEVINFO_DH,
 49};
 50
 51extern int scsi_get_device_flags(struct scsi_device *sdev,
 52				 const unsigned char *vendor,
 53				 const unsigned char *model);
 54extern int scsi_get_device_flags_keyed(struct scsi_device *sdev,
 55				       const unsigned char *vendor,
 56				       const unsigned char *model, int key);
 57extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,
 58					char *model, char *strflags,
 59					int flags, int key);
 60extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key);
 61extern int scsi_dev_info_add_list(int key, const char *name);
 62extern int scsi_dev_info_remove_list(int key);
 63
 64extern int __init scsi_init_devinfo(void);
 65extern void scsi_exit_devinfo(void);
 66
 67/* scsi_error.c */
 68extern enum blk_eh_timer_return scsi_times_out(struct request *req);
 69extern int scsi_error_handler(void *host);
 70extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
 71extern void scsi_eh_wakeup(struct Scsi_Host *shost);
 72extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
 73void scsi_eh_ready_devs(struct Scsi_Host *shost,
 74			struct list_head *work_q,
 75			struct list_head *done_q);
 76int scsi_eh_get_sense(struct list_head *work_q,
 77		      struct list_head *done_q);
 78int scsi_noretry_cmd(struct scsi_cmnd *scmd);
 79
 80/* scsi_lib.c */
 81extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
 82extern void scsi_device_unbusy(struct scsi_device *sdev);
 83extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
 84extern void scsi_next_command(struct scsi_cmnd *cmd);
 85extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
 86extern void scsi_run_host_queues(struct Scsi_Host *shost);
 87extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
 88extern void scsi_free_queue(struct request_queue *q);
 89extern int scsi_init_queue(void);
 90extern void scsi_exit_queue(void);
 91struct request_queue;
 92struct request;
 93extern struct kmem_cache *scsi_sdb_cache;
 94
 95/* scsi_proc.c */
 96#ifdef CONFIG_SCSI_PROC_FS
 97extern void scsi_proc_hostdir_add(struct scsi_host_template *);
 98extern void scsi_proc_hostdir_rm(struct scsi_host_template *);
 99extern void scsi_proc_host_add(struct Scsi_Host *);
100extern void scsi_proc_host_rm(struct Scsi_Host *);
101extern int scsi_init_procfs(void);
102extern 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 */
 
113extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
114				   unsigned int, unsigned int, int);
115extern void scsi_forget_host(struct Scsi_Host *);
116extern void scsi_rescan_device(struct device *);
117
118/* scsi_sysctl.c */
119#ifdef CONFIG_SYSCTL
120extern int scsi_init_sysctl(void);
121extern 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 */
128extern int scsi_sysfs_add_sdev(struct scsi_device *);
129extern int scsi_sysfs_add_host(struct Scsi_Host *);
130extern int scsi_sysfs_register(void);
131extern void scsi_sysfs_unregister(void);
132extern void scsi_sysfs_device_initialize(struct scsi_device *);
133extern int scsi_sysfs_target_initialize(struct scsi_device *);
134extern struct scsi_transport_template blank_transport_template;
135extern void __scsi_remove_device(struct scsi_device *);
136
137extern struct bus_type scsi_bus_type;
138extern const struct attribute_group *scsi_sysfs_shost_attr_groups[];
139
140/* scsi_netlink.c */
141#ifdef CONFIG_SCSI_NETLINK
142extern void scsi_netlink_init(void);
143extern void scsi_netlink_exit(void);
144extern struct sock *scsi_nl_sock;
145#else
146static inline void scsi_netlink_init(void) {}
147static inline void scsi_netlink_exit(void) {}
148#endif
149
150/* scsi_pm.c */
151#ifdef CONFIG_PM
152extern const struct dev_pm_ops scsi_bus_pm_ops;
153#endif
154#ifdef CONFIG_PM_RUNTIME
155extern void scsi_autopm_get_target(struct scsi_target *);
156extern void scsi_autopm_put_target(struct scsi_target *);
157extern int scsi_autopm_get_host(struct Scsi_Host *);
158extern void scsi_autopm_put_host(struct Scsi_Host *);
159#else
160static inline void scsi_autopm_get_target(struct scsi_target *t) {}
161static inline void scsi_autopm_put_target(struct scsi_target *t) {}
162static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; }
163static inline void scsi_autopm_put_host(struct Scsi_Host *h) {}
164#endif /* CONFIG_PM_RUNTIME */
 
 
165
166/* 
167 * internal scsi timeout functions: for use by mid-layer and transport
168 * classes.
169 */
170
171#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	600	/* units in seconds */
172extern int scsi_internal_device_block(struct scsi_device *sdev);
173extern int scsi_internal_device_unblock(struct scsi_device *sdev);
174
175#endif /* _SCSI_PRIV_H */

  1#ifndef _SCSI_PRIV_H
  2#define _SCSI_PRIV_H
  3
  4#include <linux/device.h>
  5
  6struct request_queue;
  7struct request;
  8struct scsi_cmnd;
  9struct scsi_device;
 10struct scsi_target;
 11struct scsi_host_template;
 12struct Scsi_Host;
 13struct scsi_nl_hdr;
 14
 15
 16/*
 17 * Scsi Error Handler Flags
 18 */
 19#define SCSI_EH_CANCEL_CMD	0x0001	/* Cancel this cmd */
 20
 21#define SCSI_SENSE_VALID(scmd) \
 22	(((scmd)->sense_buffer[0] & 0x70) == 0x70)
 23
 24/* hosts.c */
 25extern int scsi_init_hosts(void);
 26extern void scsi_exit_hosts(void);
 27
 28/* scsi.c */
 29extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd);
 30extern int scsi_setup_command_freelist(struct Scsi_Host *shost);
 31extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
 32#ifdef CONFIG_SCSI_LOGGING
 33void scsi_log_send(struct scsi_cmnd *cmd);
 34void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
 35#else
 36static inline void scsi_log_send(struct scsi_cmnd *cmd) 
 37	{ };
 38static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
 39	{ };
 40#endif
 41
 42/* scsi_devinfo.c */
 43
 44/* list of keys for the lists */
 45enum {
 46	SCSI_DEVINFO_GLOBAL = 0,
 47	SCSI_DEVINFO_SPI,
 
 48};
 49
 50extern int scsi_get_device_flags(struct scsi_device *sdev,
 51				 const unsigned char *vendor,
 52				 const unsigned char *model);
 53extern int scsi_get_device_flags_keyed(struct scsi_device *sdev,
 54				       const unsigned char *vendor,
 55				       const unsigned char *model, int key);
 56extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,
 57					char *model, char *strflags,
 58					int flags, int key);
 59extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key);
 60extern int scsi_dev_info_add_list(int key, const char *name);
 61extern int scsi_dev_info_remove_list(int key);
 62
 63extern int __init scsi_init_devinfo(void);
 64extern void scsi_exit_devinfo(void);
 65
 66/* scsi_error.c */
 67extern enum blk_eh_timer_return scsi_times_out(struct request *req);
 68extern int scsi_error_handler(void *host);
 69extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
 70extern void scsi_eh_wakeup(struct Scsi_Host *shost);
 71extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
 72void scsi_eh_ready_devs(struct Scsi_Host *shost,
 73			struct list_head *work_q,
 74			struct list_head *done_q);
 75int scsi_eh_get_sense(struct list_head *work_q,
 76		      struct list_head *done_q);
 77int scsi_noretry_cmd(struct scsi_cmnd *scmd);
 78
 79/* scsi_lib.c */
 80extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
 81extern void scsi_device_unbusy(struct scsi_device *sdev);
 82extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
 83extern void scsi_next_command(struct scsi_cmnd *cmd);
 84extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
 85extern void scsi_run_host_queues(struct Scsi_Host *shost);
 86extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
 
 87extern int scsi_init_queue(void);
 88extern void scsi_exit_queue(void);
 89struct request_queue;
 90struct request;
 91extern struct kmem_cache *scsi_sdb_cache;
 92
 93/* scsi_proc.c */
 94#ifdef CONFIG_SCSI_PROC_FS
 95extern void scsi_proc_hostdir_add(struct scsi_host_template *);
 96extern void scsi_proc_hostdir_rm(struct scsi_host_template *);
 97extern void scsi_proc_host_add(struct Scsi_Host *);
 98extern void scsi_proc_host_rm(struct Scsi_Host *);
 99extern int scsi_init_procfs(void);
100extern void scsi_exit_procfs(void);
101#else
102# define scsi_proc_hostdir_add(sht)	do { } while (0)
103# define scsi_proc_hostdir_rm(sht)	do { } while (0)
104# define scsi_proc_host_add(shost)	do { } while (0)
105# define scsi_proc_host_rm(shost)	do { } while (0)
106# define scsi_init_procfs()		(0)
107# define scsi_exit_procfs()		do { } while (0)
108#endif /* CONFIG_PROC_FS */
109
110/* scsi_scan.c */
111extern int scsi_complete_async_scans(void);
112extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
113				   unsigned int, unsigned int, int);
114extern void scsi_forget_host(struct Scsi_Host *);
115extern void scsi_rescan_device(struct device *);
116
117/* scsi_sysctl.c */
118#ifdef CONFIG_SYSCTL
119extern int scsi_init_sysctl(void);
120extern void scsi_exit_sysctl(void);
121#else
122# define scsi_init_sysctl()		(0)
123# define scsi_exit_sysctl()		do { } while (0)
124#endif /* CONFIG_SYSCTL */
125
126/* scsi_sysfs.c */
127extern int scsi_sysfs_add_sdev(struct scsi_device *);
128extern int scsi_sysfs_add_host(struct Scsi_Host *);
129extern int scsi_sysfs_register(void);
130extern void scsi_sysfs_unregister(void);
131extern void scsi_sysfs_device_initialize(struct scsi_device *);
132extern int scsi_sysfs_target_initialize(struct scsi_device *);
133extern struct scsi_transport_template blank_transport_template;
134extern void __scsi_remove_device(struct scsi_device *);
135
136extern struct bus_type scsi_bus_type;
137extern const struct attribute_group *scsi_sysfs_shost_attr_groups[];
138
139/* scsi_netlink.c */
140#ifdef CONFIG_SCSI_NETLINK
141extern void scsi_netlink_init(void);
142extern void scsi_netlink_exit(void);
143extern struct sock *scsi_nl_sock;
144#else
145static inline void scsi_netlink_init(void) {}
146static inline void scsi_netlink_exit(void) {}
147#endif
148
149/* scsi_pm.c */
150#ifdef CONFIG_PM
151extern const struct dev_pm_ops scsi_bus_pm_ops;
152#endif
153#ifdef CONFIG_PM_RUNTIME
154extern void scsi_autopm_get_target(struct scsi_target *);
155extern void scsi_autopm_put_target(struct scsi_target *);
156extern int scsi_autopm_get_host(struct Scsi_Host *);
157extern void scsi_autopm_put_host(struct Scsi_Host *);
158#else
159static inline void scsi_autopm_get_target(struct scsi_target *t) {}
160static inline void scsi_autopm_put_target(struct scsi_target *t) {}
161static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; }
162static inline void scsi_autopm_put_host(struct Scsi_Host *h) {}
163#endif /* CONFIG_PM_RUNTIME */
164
165extern struct list_head scsi_sd_probe_domain;
166
167/* 
168 * internal scsi timeout functions: for use by mid-layer and transport
169 * classes.
170 */
171
172#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	600	/* units in seconds */
173extern int scsi_internal_device_block(struct scsi_device *sdev);
174extern int scsi_internal_device_unblock(struct scsi_device *sdev);
175
176#endif /* _SCSI_PRIV_H */