sys/dev/drm/drm_memory.c

   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 /** @file drm_memory.c
  32  * Wrappers for kernel memory allocation routines, and MTRR management support.
  33  *
  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.
  37  */
  38
  39 #include "dev/drm/drmP.h"
  40
  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");
  62
  63 void drm_mem_init(void)
  64 {
  65 }
  66
  67 void drm_mem_uninit(void)
  68 {
  69 }
  70
  71 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map)
  72 {
  73 #if 0 /* XXX */
  74         return pmap_mapdev_attr(map->offset, map->size, PAT_WRITE_COMBINING);
  75 #endif
  76         return pmap_mapdev(map->offset, map->size);
  77 }
  78
  79 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map)
  80 {
  81         return pmap_mapdev(map->offset, map->size);
  82 }
  83
  84 void drm_ioremapfree(drm_local_map_t *map)
  85 {
  86         pmap_unmapdev((vm_offset_t) map->handle, map->size);
  87 }
  88
  89 int
  90 drm_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
 103 int
 104 drm_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 }