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
7 * Portions of this software were developed by Konstantin Belousov
8 * under sponsorship from the FreeBSD Foundation.
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:
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
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.
30 * Rickard E. (Rik) Faith <faith@valinux.com>
31 * Gareth Hughes <gareth@valinux.com>
33 * $FreeBSD: src/sys/dev/drm2/drm_memory.c,v 1.1 2012/05/22 11:07:44 kib Exp $
36 /** @file drm_memory.c
37 * Wrappers for kernel memory allocation routines, and MTRR management support.
39 * This file previously implemented a memory consumption tracking system using
40 * the "area" argument for various different types of allocations, but that
41 * has been stripped out for now.
46 MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures");
47 MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures");
48 MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures");
49 MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures");
50 MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures");
51 MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures");
52 MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures");
53 MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures");
54 MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures");
55 MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures");
56 MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures");
57 MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap",
58 "DRM CTXBITMAP Data Structures");
59 MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures");
60 MALLOC_DEFINE(DRM_MEM_DRAWABLE, "drm_drawable", "DRM DRAWABLE Data Structures");
61 MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures");
62 MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures");
63 MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS Data Structures");
65 void drm_mem_init(void)
69 void drm_mem_uninit(void)
73 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map)
75 return pmap_mapdev_attr(map->offset, map->size, VM_MEMATTR_WRITE_COMBINING);
78 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map)
80 return pmap_mapdev(map->offset, map->size);
83 void drm_ioremapfree(drm_local_map_t *map)
85 pmap_unmapdev((vm_offset_t) map->virtual, map->size);
89 drm_mtrr_add(unsigned long offset, size_t size, int flags)
92 struct mem_range_desc mrdesc;
94 mrdesc.mr_base = offset;
96 mrdesc.mr_flags = flags;
97 act = MEMRANGE_SET_UPDATE;
98 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
99 return mem_range_attr_set(&mrdesc, &act);
103 drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags)
106 struct mem_range_desc mrdesc;
108 mrdesc.mr_base = offset;
109 mrdesc.mr_len = size;
110 mrdesc.mr_flags = flags;
111 act = MEMRANGE_SET_REMOVE;
112 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
113 return mem_range_attr_set(&mrdesc, &act);
117 drm_clflush_pages(vm_page_t *pages, unsigned long num_pages)
120 pmap_invalidate_cache_pages(pages, num_pages);