2 *Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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:
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
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.
26 * Rickard E. (Rik) Faith <faith@valinux.com>
27 * Gareth Hughes <gareth@valinux.com>
31 /** @file drm_memory.c
32 * Wrappers for kernel memory allocation routines, and MTRR management support.
34 * This file previously implemented a memory consumption tracking system using
35 * the "area" argument for various different types of allocations, but that
36 * has been stripped out for now.
39 #include "dev/drm/drmP.h"
41 MALLOC_DEFINE(DRM_MEM_DMA
, "drm_dma", "DRM DMA Data Structures");
42 MALLOC_DEFINE(DRM_MEM_SAREA
, "drm_sarea", "DRM SAREA Data Structures");
43 MALLOC_DEFINE(DRM_MEM_DRIVER
, "drm_driver", "DRM DRIVER Data Structures");
44 MALLOC_DEFINE(DRM_MEM_MAGIC
, "drm_magic", "DRM MAGIC Data Structures");
45 MALLOC_DEFINE(DRM_MEM_IOCTLS
, "drm_ioctls", "DRM IOCTL Data Structures");
46 MALLOC_DEFINE(DRM_MEM_MAPS
, "drm_maps", "DRM MAP Data Structures");
47 MALLOC_DEFINE(DRM_MEM_BUFS
, "drm_bufs", "DRM BUFFER Data Structures");
48 MALLOC_DEFINE(DRM_MEM_SEGS
, "drm_segs", "DRM SEGMENTS Data Structures");
49 MALLOC_DEFINE(DRM_MEM_PAGES
, "drm_pages", "DRM PAGES Data Structures");
50 MALLOC_DEFINE(DRM_MEM_FILES
, "drm_files", "DRM FILE Data Structures");
51 MALLOC_DEFINE(DRM_MEM_QUEUES
, "drm_queues", "DRM QUEUE Data Structures");
52 MALLOC_DEFINE(DRM_MEM_CMDS
, "drm_cmds", "DRM COMMAND Data Structures");
53 MALLOC_DEFINE(DRM_MEM_MAPPINGS
, "drm_mapping", "DRM MAPPING Data Structures");
54 MALLOC_DEFINE(DRM_MEM_BUFLISTS
, "drm_buflists", "DRM BUFLISTS Data Structures");
55 MALLOC_DEFINE(DRM_MEM_AGPLISTS
, "drm_agplists", "DRM AGPLISTS Data Structures");
56 MALLOC_DEFINE(DRM_MEM_CTXBITMAP
, "drm_ctxbitmap",
57 "DRM CTXBITMAP Data Structures");
58 MALLOC_DEFINE(DRM_MEM_SGLISTS
, "drm_sglists", "DRM SGLISTS Data Structures");
59 MALLOC_DEFINE(DRM_MEM_DRAWABLE
, "drm_drawable", "DRM DRAWABLE Data Structures");
60 MALLOC_DEFINE(DRM_MEM_MM
, "drm_sman", "DRM MEMORY MANAGER Data Structures");
61 MALLOC_DEFINE(DRM_MEM_HASHTAB
, "drm_hashtab", "DRM HASHTABLE Data Structures");
63 void drm_mem_init(void)
67 void drm_mem_uninit(void)
71 void *drm_ioremap_wc(struct drm_device
*dev
, drm_local_map_t
*map
)
74 return pmap_mapdev_attr(map
->offset
, map
->size
, PAT_WRITE_COMBINING
);
76 return pmap_mapdev(map
->offset
, map
->size
);
79 void *drm_ioremap(struct drm_device
*dev
, drm_local_map_t
*map
)
81 return pmap_mapdev(map
->offset
, map
->size
);
84 void drm_ioremapfree(drm_local_map_t
*map
)
86 pmap_unmapdev((vm_offset_t
) map
->handle
, map
->size
);
90 drm_mtrr_add(unsigned long offset
, size_t size
, int flags
)
93 struct mem_range_desc mrdesc
;
95 mrdesc
.mr_base
= offset
;
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
);
104 drm_mtrr_del(int __unused handle
, unsigned long offset
, size_t size
, int flags
)
107 struct mem_range_desc mrdesc
;
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
);