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