xref: /freebsd/sys/dev/drm2/drm_mem_util.h (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*
2  * Copyright © 2008 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  * Authors:
24  *     Jesse Barnes <jbarnes@virtuousgeek.org>
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 #ifndef _DRM_MEM_UTIL_H_
30 #define _DRM_MEM_UTIL_H_
31 
32 #include <sys/types.h>
33 #include <sys/malloc.h>
34 
35 static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
36 {
37 
38 	return mallocarray(nmemb, size, DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
39 }
40 
41 /* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
42 static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
43 {
44 
45 	return mallocarray(nmemb, size, DRM_MEM_DRIVER, M_NOWAIT);
46 }
47 
48 static __inline void drm_free_large(void *ptr)
49 {
50 	free(ptr, DRM_MEM_DRIVER);
51 }
52 
53 #endif
54