LCOV - code coverage report
Current view: top level - lkbce/drivers/scsi - scsi_priv.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 6 8 75.0 %
Date: 2017-01-25 Functions: 1 3 33.3 %

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

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