drm_memory.c revision 235783 
1/*-
2 *Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
4 * Copyright (c) 2011 The FreeBSD Foundation
5 * All rights reserved.
6 *
7 * Portions of this software were developed by Konstantin Belousov
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice (including the next
18 * paragraph) shall be included in all copies or substantial portions of the
19 * Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 *
29 * Authors:
30 *    Rickard E. (Rik) Faith <faith@valinux.com>
31 *    Gareth Hughes <gareth@valinux.com>
32 *
33 */
34
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD: head/sys/dev/drm2/drm_memory.c 235783 2012-05-22 11:07:44Z kib $");
37
38/** @file drm_memory.c
39 * Wrappers for kernel memory allocation routines, and MTRR management support.
40 *
41 * This file previously implemented a memory consumption tracking system using
42 * the "area" argument for various different types of allocations, but that
43 * has been stripped out for now.
44 */
45
46#include <dev/drm2/drmP.h>
47
48MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures");
49MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures");
50MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures");
51MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures");
52MALLOC_DEFINE(DRM_MEM_IOCTLS, "drm_ioctls", "DRM IOCTL Data Structures");
53MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures");
54MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures");
55MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures");
56MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures");
57MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures");
58MALLOC_DEFINE(DRM_MEM_QUEUES, "drm_queues", "DRM QUEUE Data Structures");
59MALLOC_DEFINE(DRM_MEM_CMDS, "drm_cmds", "DRM COMMAND Data Structures");
60MALLOC_DEFINE(DRM_MEM_MAPPINGS, "drm_mapping", "DRM MAPPING Data Structures");
61MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures");
62MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures");
63MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap",
64    "DRM CTXBITMAP Data Structures");
65MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures");
66MALLOC_DEFINE(DRM_MEM_DRAWABLE, "drm_drawable", "DRM DRAWABLE Data Structures");
67MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures");
68MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures");
69MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS Data Structures");
70
71void drm_mem_init(void)
72{
73}
74
75void drm_mem_uninit(void)
76{
77}
78
79void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map)
80{
81	return pmap_mapdev_attr(map->offset, map->size, VM_MEMATTR_WRITE_COMBINING);
82}
83
84void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map)
85{
86	return pmap_mapdev(map->offset, map->size);
87}
88
89void drm_ioremapfree(drm_local_map_t *map)
90{
91	pmap_unmapdev((vm_offset_t) map->virtual, map->size);
92}
93
94int
95drm_mtrr_add(unsigned long offset, size_t size, int flags)
96{
97	int act;
98	struct mem_range_desc mrdesc;
99
100	mrdesc.mr_base = offset;
101	mrdesc.mr_len = size;
102	mrdesc.mr_flags = flags;
103	act = MEMRANGE_SET_UPDATE;
104	strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
105	return mem_range_attr_set(&mrdesc, &act);
106}
107
108int
109drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags)
110{
111	int act;
112	struct mem_range_desc mrdesc;
113
114	mrdesc.mr_base = offset;
115	mrdesc.mr_len = size;
116	mrdesc.mr_flags = flags;
117	act = MEMRANGE_SET_REMOVE;
118	strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
119	return mem_range_attr_set(&mrdesc, &act);
120}
121
122void
123drm_clflush_pages(vm_page_t *pages, unsigned long num_pages)
124{
125
126	pmap_invalidate_cache_pages(pages, num_pages);
127}
128