SCSI_MODE_SENSE(9) SCSI mid layer SCSI_MODE_SENSE(9)
NAME
scsi_mode_sense - issue a mode sense, falling back from 10 to six bytes if necessary.
SYNOPSIS
int scsi_mode_sense(struct scsi_device * sdev, int dbd, int modepage, unsigned char * buffer, int len, int timeout, int retries,
struct scsi_mode_data * data, struct scsi_sense_hdr * sshdr);
ARGUMENTS
sdev
SCSI device to be queried
dbd
set if mode sense will allow block descriptors to be returned
modepage
mode page being requested
buffer
request buffer (may not be smaller than eight bytes)
len
length of request buffer.
timeout
command timeout
retries
number of retries before failing
data
returns a structure abstracting the mode header data
sshdr
place to put sense data (or NULL if no sense to be collected). must be SCSI_SENSE_BUFFERSIZE big.
DESCRIPTION
Returns zero if unsuccessful, or the header offset (either 4 or 8 depending on whether a six or ten byte command was issued) if successful.
AUTHORS
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SCSI_MODE_SENSE(9)
