#ifndef _SCSI_PRIV_H
#define _SCSI_PRIV_H
-#include <linux/config.h>
#include <linux/device.h>
struct request_queue;
struct scsi_cmnd;
struct scsi_device;
struct scsi_host_template;
-struct scsi_request;
struct Scsi_Host;
+struct scsi_nl_hdr;
-/*
- * These are the values that the owner field can take.
- * They are used as an indication of who the command belongs to.
- */
-#define SCSI_OWNER_HIGHLEVEL 0x100
-#define SCSI_OWNER_MIDLEVEL 0x101
-#define SCSI_OWNER_LOWLEVEL 0x102
-#define SCSI_OWNER_ERROR_HANDLER 0x103
-#define SCSI_OWNER_BH_HANDLER 0x104
-#define SCSI_OWNER_NOBODY 0x105
-
-/*
- * Magic values for certain scsi structs. Shouldn't ever be used.
- */
-#define SCSI_CMND_MAGIC 0xE25C23A5
-#define SCSI_REQ_MAGIC 0x75F6D354
-
-/*
- * Flag bit for the internal_timeout array
- */
-#define NORMAL_TIMEOUT 0
-
/*
* Scsi Error Handler Flags
*/
-#define scsi_eh_eflags_chk(scp, flags) \
- ((scp)->eh_eflags & (flags))
-#define scsi_eh_eflags_set(scp, flags) \
- do { (scp)->eh_eflags |= (flags); } while(0)
-#define scsi_eh_eflags_clr(scp, flags) \
- do { (scp)->eh_eflags &= ~(flags); } while(0)
-#define scsi_eh_eflags_clr_all(scp) \
- (scp->eh_eflags = 0)
-
#define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */
-#define SCSI_EH_REC_TIMEOUT 0x0002 /* EH retry timed out */
#define SCSI_SENSE_VALID(scmd) \
(((scmd)->sense_buffer[0] & 0x70) == 0x70)
-/*
- * Special value for scanning to specify scanning or rescanning of all
- * possible channels, (target) ids, or luns on a given shost.
- */
-#define SCAN_WILD_CARD ~0
-
-/*
- * scsi_target: representation of a scsi target, for now, this is only
- * used for single_lun devices. If no one has active IO to the target,
- * starget_sdev_user is NULL, else it points to the active sdev.
- */
-struct scsi_target {
- struct scsi_device *starget_sdev_user;
- unsigned int starget_refcnt;
-};
-
/* hosts.c */
extern int scsi_init_hosts(void);
extern void scsi_exit_hosts(void);
extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd);
extern int scsi_setup_command_freelist(struct Scsi_Host *shost);
extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
-extern void scsi_done(struct scsi_cmnd *cmd);
-extern int scsi_retry_command(struct scsi_cmnd *cmd);
-extern int scsi_insert_special_req(struct scsi_request *sreq, int);
-extern void scsi_init_cmd_from_req(struct scsi_cmnd *cmd,
- struct scsi_request *sreq);
-extern void __scsi_release_request(struct scsi_request *sreq);
extern void __scsi_done(struct scsi_cmnd *cmd);
+extern int scsi_retry_command(struct scsi_cmnd *cmd);
#ifdef CONFIG_SCSI_LOGGING
void scsi_log_send(struct scsi_cmnd *cmd);
void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
{ };
#endif
+/* scsi_scan.c */
+int scsi_complete_async_scans(void);
+
/* scsi_devinfo.c */
extern int scsi_get_device_flags(struct scsi_device *sdev,
- unsigned char *vendor, unsigned char *model);
-extern int scsi_init_devinfo(void);
+ const unsigned char *vendor,
+ const unsigned char *model);
+extern int __init scsi_init_devinfo(void);
extern void scsi_exit_devinfo(void);
/* scsi_error.c */
+extern void scsi_add_timer(struct scsi_cmnd *, int,
+ void (*)(struct scsi_cmnd *));
+extern int scsi_delete_timer(struct scsi_cmnd *);
extern void scsi_times_out(struct scsi_cmnd *cmd);
extern int scsi_error_handler(void *host);
extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
/* scsi_lib.c */
extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
-extern void scsi_setup_cmd_retry(struct scsi_cmnd *cmd);
extern void scsi_device_unbusy(struct scsi_device *sdev);
extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
extern void scsi_next_command(struct scsi_cmnd *cmd);
#endif /* CONFIG_SYSCTL */
/* scsi_sysfs.c */
-extern void scsi_device_dev_release(struct device *);
extern int scsi_sysfs_add_sdev(struct scsi_device *);
extern int scsi_sysfs_add_host(struct Scsi_Host *);
extern int scsi_sysfs_register(void);
extern void scsi_sysfs_unregister(void);
+extern void scsi_sysfs_device_initialize(struct scsi_device *);
+extern int scsi_sysfs_target_initialize(struct scsi_device *);
extern struct scsi_transport_template blank_transport_template;
+extern void __scsi_remove_device(struct scsi_device *);
-extern struct class sdev_class;
extern struct bus_type scsi_bus_type;
+/* scsi_netlink.c */
+#ifdef CONFIG_SCSI_NETLINK
+extern void scsi_netlink_init(void);
+extern void scsi_netlink_exit(void);
+extern struct sock *scsi_nl_sock;
+#else
+static inline void scsi_netlink_init(void) {}
+static inline void scsi_netlink_exit(void) {}
+#endif
+
+/*
+ * internal scsi timeout functions: for use by mid-layer and transport
+ * classes.
+ */
+
+#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */
+extern int scsi_internal_device_block(struct scsi_device *sdev);
+extern int scsi_internal_device_unblock(struct scsi_device *sdev);
+
#endif /* _SCSI_PRIV_H */
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