ATA_SCSIOP_MODE_SENS(9) libata SCSI translation/emulat ATA_SCSIOP_MODE_SENS(9)NAME
ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
SYNOPSIS
unsigned int ata_scsiop_mode_sense(struct ata_scsi_args * args, u8 * rbuf);
ARGUMENTS
args
device IDENTIFY data / SCSI command of interest.
rbuf
Response buffer, to which simulated SCSI cmd output is sent.
DESCRIPTION
Simulate MODE SENSE commands. Assume this is invoked for direct access devices (e.g. disks) only. There should be no block descriptor for
other device types.
LOCKING
spin_lock_irqsave(host lock)
AUTHOR
Jeff Garzik
Author.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 ATA_SCSIOP_MODE_SENS(9)
Check Out this Related Man Page
scsi_setup_cdb(9F) Kernel Functions for Drivers scsi_setup_cdb(9F)NAME
scsi_setup_cdb - setup SCSI command descriptor block (CDB)
SYNOPSIS
int scsi_setup_cdb(union scsi_cdb *cdbp, uchar_t cmd, uint_t addr, uint_t cnt, uint_t othr_cdb_data);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
cdbp Pointer to command descriptor block.
cmd The first byte of the SCSI group 0, 1, 2, 4, or 5 CDB.
addr Pointer to the location of the data.
cnt Data transfer length in units defined by the SCSI device type. For sequential devices cnt is the number of bytes. For
block devices, cnt is the number of blocks.
othr_cdb_data Additional CDB data.
DESCRIPTION
scsi_setup_cdb() function initializes a group 0, 1, 2, 4, or 5 type of command descriptor block pointed to by cdbp using cmd, addr, cnt,
othr_cdb_data.
addr should be set to 0 for commands having no addressing information (for example, group 0 READ command for sequential access devices).
othr_cdb_data should be additional CDB data for Group 4 commands; otherwise, it should be set to 0.
scsi_setup_cdb() function does not set the LUN bits in CDB[1] as the makecom(9F) functions do. Also, the fixed bit for sequential access
device commands is not set.
RETURN VALUES
scsi_setup_cdb() returns:
1 Upon success.
0 Upon failure.
CONTEXT
These functions can be called from a user or interrupt context.
SEE ALSO makecom(9F), scsi_pkt(9S)
Writing Device Drivers
American National Standard Small Computer System Interface-2 (SCSI-2)
American National Standard SCSI-3 Primary Commands (SPC)
SunOS 5.10 23 Jun 1997 scsi_setup_cdb(9F)
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