diff options
Diffstat (limited to 'drivers/scsi/scsi_priv.h')
| -rw-r--r-- | drivers/scsi/scsi_priv.h | 103 |
1 files changed, 73 insertions, 30 deletions
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index d05f778d31a..48e5b657e79 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -1,38 +1,29 @@ #ifndef _SCSI_PRIV_H #define _SCSI_PRIV_H -#include <linux/config.h> #include <linux/device.h> +#include <linux/async.h> +#include <scsi/scsi_device.h> struct request_queue; +struct request; struct scsi_cmnd; struct scsi_device; +struct scsi_target; struct scsi_host_template; -struct scsi_request; struct Scsi_Host; +struct scsi_nl_hdr; /* - * Magic values for certain scsi structs. Shouldn't ever be used. - */ -#define SCSI_CMND_MAGIC 0xE25C23A5 -#define SCSI_REQ_MAGIC 0x75F6D354 - -/* * Scsi Error Handler Flags */ #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ -#define SCSI_EH_REC_TIMEOUT 0x0002 /* EH retry timed out */ +#define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */ #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 - /* hosts.c */ extern int scsi_init_hosts(void); extern void scsi_exit_hosts(void); @@ -41,11 +32,6 @@ 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 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); #ifdef CONFIG_SCSI_LOGGING void scsi_log_send(struct scsi_cmnd *cmd); void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); @@ -57,32 +43,56 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) #endif /* scsi_devinfo.c */ + +/* list of keys for the lists */ +enum { + SCSI_DEVINFO_GLOBAL = 0, + SCSI_DEVINFO_SPI, +}; + extern int scsi_get_device_flags(struct scsi_device *sdev, - unsigned char *vendor, unsigned char *model); + const unsigned char *vendor, + const unsigned char *model); +extern int scsi_get_device_flags_keyed(struct scsi_device *sdev, + const unsigned char *vendor, + const unsigned char *model, int key); +extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, + char *model, char *strflags, + int flags, int key); +extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key); +extern int scsi_dev_info_add_list(int key, const char *name); +extern int scsi_dev_info_remove_list(int key); + 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 void scmd_eh_abort_handler(struct work_struct *work); +extern enum blk_eh_timer_return scsi_times_out(struct request *req); extern int scsi_error_handler(void *host); extern int scsi_decide_disposition(struct scsi_cmnd *cmd); extern void scsi_eh_wakeup(struct Scsi_Host *shost); extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); +void scsi_eh_ready_devs(struct Scsi_Host *shost, + struct list_head *work_q, + struct list_head *done_q); +int scsi_eh_get_sense(struct list_head *work_q, + struct list_head *done_q); +int scsi_noretry_cmd(struct scsi_cmnd *scmd); /* 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_queue_insert(struct scsi_cmnd *cmd, int reason); extern void scsi_next_command(struct scsi_cmnd *cmd); +extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); extern void scsi_run_host_queues(struct Scsi_Host *shost); extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); -extern void scsi_free_queue(struct request_queue *q); extern int scsi_init_queue(void); extern void scsi_exit_queue(void); +struct request_queue; +struct request; +extern struct kmem_cache *scsi_sdb_cache; /* scsi_proc.c */ #ifdef CONFIG_SCSI_PROC_FS @@ -102,6 +112,8 @@ extern void scsi_exit_procfs(void); #endif /* CONFIG_PROC_FS */ /* scsi_scan.c */ +extern char scsi_scan_type[]; +extern int scsi_complete_async_scans(void); extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, unsigned int, unsigned int, int); extern void scsi_forget_host(struct Scsi_Host *); @@ -127,14 +139,45 @@ extern struct scsi_transport_template blank_transport_template; extern void __scsi_remove_device(struct scsi_device *); extern struct bus_type scsi_bus_type; +extern const struct attribute_group *scsi_sysfs_shost_attr_groups[]; + +/* 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 + +/* scsi_pm.c */ +#ifdef CONFIG_PM +extern const struct dev_pm_ops scsi_bus_pm_ops; +#endif +#ifdef CONFIG_PM_RUNTIME +extern void scsi_autopm_get_target(struct scsi_target *); +extern void scsi_autopm_put_target(struct scsi_target *); +extern int scsi_autopm_get_host(struct Scsi_Host *); +extern void scsi_autopm_put_host(struct Scsi_Host *); +#else +static inline void scsi_autopm_get_target(struct scsi_target *t) {} +static inline void scsi_autopm_put_target(struct scsi_target *t) {} +static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; } +static inline void scsi_autopm_put_host(struct Scsi_Host *h) {} +#endif /* CONFIG_PM_RUNTIME */ + +extern struct async_domain scsi_sd_pm_domain; +extern struct async_domain scsi_sd_probe_domain; /* * internal scsi timeout functions: for use by mid-layer and transport * classes. */ -#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT (HZ*60) +#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); +extern int scsi_internal_device_unblock(struct scsi_device *sdev, + enum scsi_device_state new_state); #endif /* _SCSI_PRIV_H */ |