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
  61 void drm_mem_init(void)
  62 {
  63 }
  64
  65 void drm_mem_uninit(void)
  66 {
  67 }
  68
  69 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map)
  70 {
  71 #if 0 /* XXX */
  72         return pmap_mapdev_attr(map->offset, map->size, PAT_WRITE_COMBINING);
  73 #endif
  74         return pmap_mapdev(map->offset, map->size);
  75 }
  76
  77 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map)
  78 {
  79         return pmap_mapdev(map->offset, map->size);
  80 }
  81
  82 void drm_ioremapfree(drm_local_map_t *map)
  83 {
  84         pmap_unmapdev((vm_offset_t) map->handle, map->size);
  85 }
  86
  87 int
  88 drm_mtrr_add(unsigned long offset, size_t size, int flags)
  89 {
  90         int act;
  91         struct mem_range_desc mrdesc;
  92
  93         mrdesc.mr_base = offset;
  94         mrdesc.mr_len = size;
  95         mrdesc.mr_flags = flags;
  96         act = MEMRANGE_SET_UPDATE;
  97         strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
  98         return mem_range_attr_set(&mrdesc, &act);
  99 }
 100
 101 int
 102 drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags)
 103 {
 104         int act;
 105         struct mem_range_desc mrdesc;
 106
 107         mrdesc.mr_base = offset;
 108         mrdesc.mr_len = size;
 109         mrdesc.mr_flags = flags;
 110         act = MEMRANGE_SET_REMOVE;
 111         strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
 112         return mem_range_attr_set(&mrdesc, &act);
 113 }