opensolaris man page for ldi_devmap

ldi_devmap(9F)						   Kernel Functions for Drivers 					    ldi_devmap(9F)

NAME
       ldi_devmap - Issue a devmap request to a device

SYNOPSIS
       #include <sys/sunldi.h>

       int ldi_devmap(ldi_handle_t lh, devmap_cookie_t dhp, offset_t off,
	    size_t len, size_t *maplen, uint_t model);

PARAMETERS
       lh	 Layered handle.

       dhp	 Opaque mapping handle used by the system to describe mapping.

       off	 User offset within the logical device memory at which mapping begins.

       len	 Mapping length (in bytes).

       maplen	 Pointer to length (in bytes) of validated mapping.  (Less than or equal to len).

       model	 Data model type of current thread.

DESCRIPTION
       The ldi_devmap() function passes an devmap request to the device entry point for the device specified by the layered handle. This operation
       is supported for character devices.

RETURN VALUES
       The ldi_devmap() function returns 0 upon success. If a failure occurs before the request is passed to the device,  possible  return  values
       are shown below. Otherwise any other error number may be returned by the device.

       EINVAL	  Invalid input parameters.

       ENOTSUP	  Operation is not supported for this device.

CONTEXT
       This function may be called from user or kernel context.

SunOS 5.11							    3 June 2003 						    ldi_devmap(9F)