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Shell Programming and Scripting
Copy only the initial 10 lines from a file to another
Post 302143673 by matrixmadhan on Friday 2nd of November 2007 02:05:46 PM
11-02-2007
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LEARN ABOUT OPENSOLARIS
scsi_setup_cdb
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
The 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. The 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
The scsi_setup_cdb() function returns: 1 Upon success. 0 Upon failure. CONTEXT
These functions can be called from a user, interrupt, or kernel 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 5.11 16 Jan 2006 scsi_setup_cdb(9F)