Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _SCSI_PRIV_H |
| 2 | #define _SCSI_PRIV_H |
| 3 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | #include <linux/device.h> |
| 5 | |
| 6 | struct request_queue; |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 7 | struct request; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | struct scsi_cmnd; |
| 9 | struct scsi_device; |
| 10 | struct scsi_host_template; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | struct Scsi_Host; |
James Smart | 84314fd | 2006-08-18 17:30:09 -0400 | [diff] [blame] | 12 | struct scsi_nl_hdr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | |
| 14 | |
| 15 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | * Scsi Error Handler Flags |
| 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #define SCSI_EH_CANCEL_CMD 0x0001 /* Cancel this cmd */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | #define SCSI_SENSE_VALID(scmd) \ |
| 21 | (((scmd)->sense_buffer[0] & 0x70) == 0x70) |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) |
| 38 | { }; |
| 39 | #endif |
| 40 | |
| 41 | /* scsi_devinfo.c */ |
James Bottomley | 598fa4b | 2009-06-17 15:01:58 -0400 | [diff] [blame] | 42 | |
| 43 | /* list of keys for the lists */ |
| 44 | enum { |
| 45 | SCSI_DEVINFO_GLOBAL = 0, |
James Bottomley | a9e0edb | 2009-06-17 19:05:05 +0000 | [diff] [blame] | 46 | SCSI_DEVINFO_SPI, |
James Bottomley | 598fa4b | 2009-06-17 15:01:58 -0400 | [diff] [blame] | 47 | }; |
| 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | extern int scsi_get_device_flags(struct scsi_device *sdev, |
James Bottomley | 7f23e14 | 2005-12-01 12:50:13 -0600 | [diff] [blame] | 50 | const unsigned char *vendor, |
| 51 | const unsigned char *model); |
James Bottomley | 598fa4b | 2009-06-17 15:01:58 -0400 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | extern int __init scsi_init_devinfo(void); |
| 62 | extern void scsi_exit_devinfo(void); |
| 63 | |
| 64 | /* scsi_error.c */ |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 65 | extern enum blk_eh_timer_return scsi_times_out(struct request *req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Darrick J. Wong | dca84e4 | 2007-01-26 14:08:49 -0800 | [diff] [blame] | 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); |
Mike Christie | 4a27446 | 2008-08-19 18:45:31 -0500 | [diff] [blame] | 75 | int scsi_noretry_cmd(struct scsi_cmnd *scmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | /* scsi_lib.c */ |
| 78 | extern int scsi_maybe_unblock_host(struct scsi_device *sdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Linus Torvalds | 7b3d954 | 2008-01-06 10:17:12 -0800 | [diff] [blame] | 82 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
James Bottomley | 751bf4d | 2008-01-02 11:14:30 -0600 | [diff] [blame] | 88 | struct request_queue; |
| 89 | struct request; |
Martin K. Petersen | 7027ad7 | 2008-07-17 17:08:48 -0400 | [diff] [blame] | 90 | extern struct kmem_cache *scsi_sdb_cache; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | extern struct scsi_transport_template blank_transport_template; |
Alan Stern | 903f4fe | 2005-07-26 10:20:53 -0400 | [diff] [blame] | 132 | extern void __scsi_remove_device(struct scsi_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | extern struct bus_type scsi_bus_type; |
Hannes Reinecke | f7120a4 | 2008-03-18 14:32:28 +0100 | [diff] [blame] | 135 | extern struct attribute_group *scsi_sysfs_shost_attr_groups[]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
James Smart | 84314fd | 2006-08-18 17:30:09 -0400 | [diff] [blame] | 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 | #endif |
| 146 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | /* |
| 148 | * internal scsi timeout functions: for use by mid-layer and transport |
| 149 | * classes. |
| 150 | */ |
| 151 | |
James Smart | 1c9e16e | 2006-05-16 16:13:36 -0400 | [diff] [blame] | 152 | #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | extern int scsi_internal_device_block(struct scsi_device *sdev); |
| 154 | extern int scsi_internal_device_unblock(struct scsi_device *sdev); |
| 155 | |
| 156 | #endif /* _SCSI_PRIV_H */ |