SCSI_EXECUTE(9) SCSI mid layer SCSI_EXECUTE(9)NAME
scsi_execute - insert request and wait for the result
SYNOPSIS
int scsi_execute(struct scsi_device * sdev, const unsigned char * cmd, int data_direction, void * buffer, unsigned bufflen,
unsigned char * sense, int timeout, int retries, int flags, int * resid);
ARGUMENTS
sdev
scsi device
cmd
scsi command
data_direction
data direction
buffer
data buffer
bufflen
len of buffer
sense
optional sense buffer
timeout
request timeout in seconds
retries
number of times to retry request
flags
or into request flags;
resid
optional residual length
DESCRIPTION
returns the req->errors value which is the scsi_cmnd result field.
AUTHORS
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 SCSI_EXECUTE(9)
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scsi_validate_sense(9F) Kernel Functions for Drivers scsi_validate_sense(9F)NAME
scsi_validate_sense - find descriptor in SCSI sense data
SYNOPSIS
#include <sys/scsi/scsi.h>
int scsi_validate_sense(uint8_t *sense_buffer, int sense_buf_len,
int *flags);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
sense_buffer Pointer to a buffer containing SCSI sense data. The sense data is expected in wire format starting at the response code.
sense_buf_len Length of sense buffer in bytes.
flags Returns additional properties of the sense data.
DESCRIPTION
The scsi_validate_sense() function returns the format of the sense data contained in the provided sense buffer. If the response code field
in the sense data is not recognized or if there is not enough sense data to include sense key, asc, and ascq then scsi_validate_sense()
returns SENSE_UNUSABLE. If the buffer contains usable sense data in fixed format, the function returns SENSE_FIXED_FORMAT. If the buffer
contains usable sense data in descriptor format, the function returns SENSE_DESCR_FORMAT.
The following flags may be set as appropriate depending on the sense data:
SNS_BUF_OVERFLOW The sense data buffer provided for the request is too small to hold all the sense data.
SNS_BUF_DEFERRED The sense data contained in the buffer relates to an error that has occurred during the processing of a successfully
completed command, such as a cached write that could not be commited to the media.
RETURN VALUES
SENSE_UNUSABLE The response code from the sense data is unrecognized or not enough sense data present to provide the sense key, asc,
and ascq.
SENSE_FIXED_FORMAT The sense data in the buffer is in "fixed format".
SENSE_DESCR_FORMAT The sense data in the buffer is in "descriptor format".
CONTEXT
The scsi_validate_sense() function can be called from user or interrupt context.
SEE ALSO scsi_ext_sense_fields(9F), scsi_find_sense_descr(9F), scsi_sense_asc(9F), scsi_sense_ascq(9F), scsi_sense_cmdspecific_uint64(9F),
scsi_sense_info_uint64(9F), scsi_sense_key(9F)SunOS 5.11 29 Jun 2006 scsi_validate_sense(9F)
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