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Copyright (c) 1994, Sun Microsystems, Inc.
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
Copyright (c) 1994, Sun Microsystems, Inc.
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
DDI_DMA_FREE_HANDLE 9F "Sep 26, 1994"
NAME
ddi_dma_free_handle - free DMA handle
SYNOPSIS
#include <sys/ddi.h> #include <sys/sunddi.h> void ddi_dma_free_handle(ddi_dma_handle_t *handle);
PARAMETERS
handle
A pointer to the DMA handle previously allocated by a call to ddi_dma_alloc_handle(9F).
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
DESCRIPTION
ddi_dma_free_handle() destroys the DMA handle pointed to by handle. Any further references to the DMA handle will have undefined results. Note that ddi_dma_unbind_handle(9F) must be called prior to ddi_dma_free_handle() to free any resources the system may be caching on the handle.
CONTEXT
ddi_dma_free_handle() can be called from user, kernel, or interrupt context.
SEE ALSO
ddi_dma_alloc_handle(9F), ddi_dma_unbind_handle(9F)
Writing Device Drivers