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

NAME

iovec - data storage structure for I/O using uio

SYNOPSIS

#include <sys/uio.h>

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

DESCRIPTION

An iovec structure describes a data storage area for transfer in a uio(9S)
structure. Conceptually, it can be thought of as a base address and length
specification.

STRUCTURE MEMBERS

caddr_t iov_base; /* base address of the data storage area */
/* represented by the iovec structure */
int iov_len; /* size of the data storage area in bytes */

SEE ALSO

uio(9S)

Writing Device Drivers.

illumos July 9, 2018 illumos