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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)

Check Out this Related Man Page

TAPSET::SCSI(3stap)													       TAPSET::SCSI(3stap)

NAME
tapset::scsi - systemtap scsi probe points DESCRIPTION
This family of probe points is used to probe the SCSI activities. It contains the following probe points: scsi.ioentry Fires when SCSI mid layer prepares a SCSI request Arguments: disk_major The major number of the disk disk_minor The minor number of the disk device_state The current state of the device. The possible values could be: SDEV_CREATED = 1, /* device created but not added to sysfs * Only internal commands allowed (for inq) */ SDEV_RUNNING = 2, /* device properly configured * All commands allowed */ SDEV_CANCEL = 3, /* beginning to delete device * Only error handler commands allowed */ SDEV_DEL = 4, /* device deleted * no commands allowed */ SDEV_QUIESCE = 5, /* Device quiescent. No block commands * will be accepted, only specials (which * originate in the mid-layer) */ SDEV_OFFLINE = 6, /* Device offlined (by error handling or * user request */ SDEV_BLOCK = 7, /* Device blocked by scsi lld. No scsi * commands from user or midlayer should be issued * to the scsi lld. */ scsi.iodispatching Fires when the SCSI mid layer dispatches a SCSI command to the low level driver Arguments: host_no The host number channel The channel number lun The lun number dev_id The scsi device id device_state The current state of the device. data_direction The data_direction specifies whether this command is from/to the device. The possible values could be: DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, DMA_NONE = 3, request_buffer The request buffer address req_bufflen The request buffer length scsi.iodone Fires when a SCSI command is done by low level driver and enqueued into the done queue. Arguments: host_no The host number channel The channel number lun The lun number dev_id The scsi device id device_state The current state of the device data_direction The data_direction specifies whether this command is from/to the device. scsi.iocompleted Fires when SCSI mid layer runs the completion processing for block device I/O requests Arguments: host_no The host number channel The channel number lun The lun number dev_id The scsi device id device_state The current state of the device data_direction The data_direction specifies whether this command is from/to the device. goodbytes The bytes completed. SEE ALSO
stap(1), stapprobes(3stap) IBM
TAPSET::SCSI(3stap)

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