| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _SCSI_PRIV_H |
| #define _SCSI_PRIV_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_Host; |
| struct scsi_nl_hdr; |
| |
| |
| /* |
| * Scsi Error Handler Flags |
| */ |
| #define SCSI_EH_ABORT_SCHEDULED 0x0002 /* Abort has been scheduled */ |
| |
| #define SCSI_SENSE_VALID(scmd) \ |
| (((scmd)->sense_buffer[0] & 0x70) == 0x70) |
| |
| /* hosts.c */ |
| extern int scsi_init_hosts(void); |
| extern void scsi_exit_hosts(void); |
| |
| /* scsi.c */ |
| extern bool scsi_use_blk_mq; |
| int scsi_init_sense_cache(struct Scsi_Host *shost); |
| void scsi_init_command(struct scsi_device *dev, 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); |
| #else |
| static inline void scsi_log_send(struct scsi_cmnd *cmd) |
| { }; |
| 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_key { |
| SCSI_DEVINFO_GLOBAL = 0, |
| SCSI_DEVINFO_SPI, |
| }; |
| |
| extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, |
| const unsigned char *vendor, |
| const unsigned char *model); |
| extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, |
| const unsigned char *vendor, |
| const unsigned char *model, |
| enum scsi_devinfo_key key); |
| extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor, |
| char *model, char *strflags, |
| blist_flags_t flags, |
| enum scsi_devinfo_key key); |
| extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, |
| enum scsi_devinfo_key key); |
| extern int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name); |
| extern int scsi_dev_info_remove_list(enum scsi_devinfo_key key); |
| |
| extern int __init scsi_init_devinfo(void); |
| extern void scsi_exit_devinfo(void); |
| |
| /* scsi_error.c */ |
| 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 void scsi_eh_scmd_add(struct scsi_cmnd *); |
| 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 void scsi_add_cmd_to_list(struct scsi_cmnd *cmd); |
| extern void scsi_del_cmd_from_list(struct scsi_cmnd *cmd); |
| extern int scsi_maybe_unblock_host(struct scsi_device *sdev); |
| extern void scsi_device_unbusy(struct scsi_device *sdev); |
| extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason); |
| extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
| extern void scsi_run_host_queues(struct Scsi_Host *shost); |
| extern void scsi_requeue_run_queue(struct work_struct *work); |
| extern struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev); |
| extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev); |
| extern void scsi_start_queue(struct scsi_device *sdev); |
| extern int scsi_mq_setup_tags(struct Scsi_Host *shost); |
| extern void scsi_mq_destroy_tags(struct Scsi_Host *shost); |
| extern int scsi_init_queue(void); |
| extern void scsi_exit_queue(void); |
| extern void scsi_evt_thread(struct work_struct *work); |
| struct request_queue; |
| struct request; |
| |
| /* scsi_proc.c */ |
| #ifdef CONFIG_SCSI_PROC_FS |
| extern void scsi_proc_hostdir_add(struct scsi_host_template *); |
| extern void scsi_proc_hostdir_rm(struct scsi_host_template *); |
| extern void scsi_proc_host_add(struct Scsi_Host *); |
| extern void scsi_proc_host_rm(struct Scsi_Host *); |
| extern int scsi_init_procfs(void); |
| extern void scsi_exit_procfs(void); |
| #else |
| # define scsi_proc_hostdir_add(sht) do { } while (0) |
| # define scsi_proc_hostdir_rm(sht) do { } while (0) |
| # define scsi_proc_host_add(shost) do { } while (0) |
| # define scsi_proc_host_rm(shost) do { } while (0) |
| # define scsi_init_procfs() (0) |
| # define scsi_exit_procfs() do { } while (0) |
| #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, u64, enum scsi_scan_mode); |
| extern void scsi_forget_host(struct Scsi_Host *); |
| extern void scsi_rescan_device(struct device *); |
| |
| /* scsi_sysctl.c */ |
| #ifdef CONFIG_SYSCTL |
| extern int scsi_init_sysctl(void); |
| extern void scsi_exit_sysctl(void); |
| #else |
| # define scsi_init_sysctl() (0) |
| # define scsi_exit_sysctl() do { } while (0) |
| #endif /* CONFIG_SYSCTL */ |
| |
| /* scsi_sysfs.c */ |
| 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 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; |
| |
| 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 */ |
| |
| extern struct async_domain scsi_sd_pm_domain; |
| extern struct async_domain scsi_sd_probe_domain; |
| |
| /* scsi_dh.c */ |
| #ifdef CONFIG_SCSI_DH |
| void scsi_dh_add_device(struct scsi_device *sdev); |
| void scsi_dh_release_device(struct scsi_device *sdev); |
| #else |
| static inline void scsi_dh_add_device(struct scsi_device *sdev) { } |
| static inline void scsi_dh_release_device(struct scsi_device *sdev) { } |
| #endif |
| |
| /* |
| * internal scsi timeout functions: for use by mid-layer and transport |
| * classes. |
| */ |
| |
| #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
| |
| #endif /* _SCSI_PRIV_H */ |