COPYREQ(9S) Data Structures for Drivers COPYREQ(9S)

copyreq
STREAMS data structure for the M_COPYIN and the M_COPYOUT message types

#include <sys/stream.h>

Architecture independent level 1 (DDI/DKI)

The data structure for the M_COPYIN and the M_COPYOUT message types.

int      cq_cmd;           /* ioctl command (from ioc_cmd) */
cred_t   *cq_cr;           /* full credentials */
uint_t   cq_id;            /* ioctl id (from ioc_id) */
uint_t   cq_flag;	   /* must be zero */
mblk_t   *cq_private;      /* private state information */
caddr_t  cq_addr;          /* address to copy data to/from */
size_t   cq_size;          /* number of bytes to copy */

STREAMS Programming Guide.

July 9, 2018 OmniOS