--- /dev/null
+#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_CANCEL_CMD 0x0001 /* Cancel this cmd */
+#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 int scsi_setup_command_freelist(struct Scsi_Host *shost);
+extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
+#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_GLOBAL = 0,
+ SCSI_DEVINFO_SPI,
+};
+
+extern int scsi_get_device_flags(struct scsi_device *sdev,
+ 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 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_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 struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
+extern struct request_queue *scsi_mq_alloc_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);
+struct request_queue;
+struct request;
+extern struct kmem_cache *scsi_sdb_cache;
+
+/* 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, int);
+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;
+
+/*
+ * 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,
+ enum scsi_device_state new_state);
+
+#endif /* _SCSI_PRIV_H */
Code Review / kvmfornfv.git / blobdiff