xref: /illumos-gate/usr/src/man/man9f/ldi_get_size.9f (revision bbf21555)
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LDI_GET_SIZE 9F "Mar 18, 2004"
NAME
ldi_get_size - Retrieve device size
SYNOPSIS

#include <sys/sunldi.h>

int ldi_get_size(ldi_handle_t lh, uint64_t *sizep);
PARAMETERS
lh

Layered handle.

sizep

Pointer to the caller's unsigned 64-bit integer buffer.

DESCRIPTION

The ldi_get_size() function uses the layered driver handle to calculate and return a device's size. The device size is returned within the caller supplied buffer (*sizep). A valid layered driver handle must be obtained via the ldi_open_by_name(9F) interface prior to calling ldi_get_size().

RETURN VALUES

The ldi_get_size() function returns the following values: DDI_SUCCESS

The device size has been returned within the caller supplied buffer.

DDI_FAILURE

The device size could not be found or determined.

CONTEXT

This function may be called from user or kernel context.

SEE ALSO

ldi_open_by_name (9F)

Writing Device Drivers