scsi_add_single_device(9) [centos man page]

SCSI_ADD_SINGLE_DEVI(9) 					  SCSI mid layer					   SCSI_ADD_SINGLE_DEVI(9)

NAME

       scsi_add_single_device - Respond to user request to probe for/add device

SYNOPSIS

       int scsi_add_single_device(uint host, uint channel, uint id, uint lun);

ARGUMENTS

       host
	   user-supplied decimal integer

       channel
	   user-supplied decimal integer

       id
	   user-supplied decimal integer

       lun
	   user-supplied decimal integer

DESCRIPTION

       called by writing "scsi add-single-device" to /proc/scsi/scsi.

       does scsi_host_lookup and either user_scan if that transport type supports it, or else scsi_scan_host_selected

NOTE

       this seems to be aimed exclusively at SCSI parallel busses.

AUTHORS

       James Bottomley <James.Bottomley@hansenpartnership.com>
	   Author.

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014						   SCSI_ADD_SINGLE_DEVI(9)

SRP_RECONNECT_RPORT(9)						  SCSI mid layer					    SRP_RECONNECT_RPORT(9)

NAME

       srp_reconnect_rport - reconnect to an SRP target port

SYNOPSIS

       int srp_reconnect_rport(struct srp_rport * rport);

ARGUMENTS

       rport
	   -- undescribed --

DESCRIPTION

       Blocks SCSI command queueing before invoking reconnect such that queuecommand won't be invoked concurrently with reconnect from outside the
       SCSI EH. This is important since a reconnect implementation may reallocate resources needed by queuecommand.

NOTES

       - This function neither waits until outstanding requests have finished nor tries to abort these. It is the responsibility of the reconnect
       function to finish outstanding commands before reconnecting to the target port. - It is the responsibility of the caller to ensure that the
       resources reallocated by the reconnect function won't be used while this function is in progress. One possible strategy is to invoke this
       function from the context of the SCSI EH thread only. Another possible strategy is to lock the rport mutex inside each SCSI LLD callback
       that can be invoked by the SCSI EH (the scsi_host_template.eh_*() functions and also the scsi_host_template.queuecommand function).

AUTHORS

       James Bottomley <James.Bottomley@hansenpartnership.com>
	   Author.

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014						    SRP_RECONNECT_RPORT(9)