| MAC_PRIVATE_MINOR(9F) | Kernel Functions for Drivers | MAC_PRIVATE_MINOR(9F) |
mac_private_minor —
return the first minor number that is available for driver
private use
#include
<sys/mac_provider.h>
minor_t
mac_private_minor(void);
illumos DDI specific
None.
The
mac_private_minor()
function is used by MAC device drivers to determine the lower bound of the
minor number space that is available for driver private use. The driver is
free to use any minor number greater than or equal to the returned value.
All other values are reserved for use by the
mac(9E) framework.
The
mac_private_minor()
function may be called from a driver's
attach(9E) entry point, e.g., to
create minor nodes for use by the driver. See the
Custom Device Nodes section of
mac(9E) for more details.
mac_private_minor() function can be called
from user
or
kernel
context.
Upon successful completion, the
mac_private_minor() function returns a valid minor
number.
| January 30, 2023 | OmniOS |