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_MAPS, "drm_maps", "DRM MAP Data Structures"); 46 MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures"); 47 MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures"); 48 MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures"); 49 MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures"); 50 MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures"); 51 MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures"); 52 MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap", 53 "DRM CTXBITMAP Data Structures"); 54 MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures"); 55 MALLOC_DEFINE(DRM_MEM_DRAWABLE, "drm_drawable", "DRM DRAWABLE Data Structures"); 56 MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures"); 57 MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures"); 58 59 void drm_mem_init(void) 60 { 61 } 62 63 void drm_mem_uninit(void) 64 { 65 } 66 67 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map) 68 { 69 #if 0 /* XXX */ 70 return pmap_mapdev_attr(map->offset, map->size, PAT_WRITE_COMBINING); 71 #endif 72 return pmap_mapdev(map->offset, map->size); 73 } 74 75 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map) 76 { 77 return pmap_mapdev(map->offset, map->size); 78 } 79 80 void drm_ioremapfree(drm_local_map_t *map) 81 { 82 pmap_unmapdev((vm_offset_t) map->handle, map->size); 83 } 84 85 int 86 drm_mtrr_add(unsigned long offset, size_t size, int flags) 87 { 88 int act; 89 struct mem_range_desc mrdesc; 90 91 mrdesc.mr_base = offset; 92 mrdesc.mr_len = size; 93 mrdesc.mr_flags = flags; 94 act = MEMRANGE_SET_UPDATE; 95 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); 96 return mem_range_attr_set(&mrdesc, &act); 97 } 98 99 int 100 drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags) 101 { 102 int act; 103 struct mem_range_desc mrdesc; 104 105 mrdesc.mr_base = offset; 106 mrdesc.mr_len = size; 107 mrdesc.mr_flags = flags; 108 act = MEMRANGE_SET_REMOVE; 109 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); 110 return mem_range_attr_set(&mrdesc, &act); 111 } 112