1 /*- 2 *Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 4 * Copyright (c) 2011 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * Portions of this software were developed by Konstantin Belousov 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the "Software"), 12 * to deal in the Software without restriction, including without limitation 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 * and/or sell copies of the Software, and to permit persons to whom the 15 * Software is furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice (including the next 18 * paragraph) shall be included in all copies or substantial portions of the 19 * Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 27 * OTHER DEALINGS IN THE SOFTWARE. 28 * 29 * Authors: 30 * Rickard E. (Rik) Faith <faith@valinux.com> 31 * Gareth Hughes <gareth@valinux.com> 32 * 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 /** @file drm_memory.c 39 * Wrappers for kernel memory allocation routines, and MTRR management support. 40 * 41 * This file previously implemented a memory consumption tracking system using 42 * the "area" argument for various different types of allocations, but that 43 * has been stripped out for now. 44 */ 45 46 #include <dev/drm2/drmP.h> 47 48 MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures"); 49 MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures"); 50 MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures"); 51 MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures"); 52 MALLOC_DEFINE(DRM_MEM_IOCTLS, "drm_ioctls", "DRM IOCTL Data Structures"); 53 MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures"); 54 MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures"); 55 MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures"); 56 MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures"); 57 MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures"); 58 MALLOC_DEFINE(DRM_MEM_QUEUES, "drm_queues", "DRM QUEUE Data Structures"); 59 MALLOC_DEFINE(DRM_MEM_CMDS, "drm_cmds", "DRM COMMAND Data Structures"); 60 MALLOC_DEFINE(DRM_MEM_MAPPINGS, "drm_mapping", "DRM MAPPING Data Structures"); 61 MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures"); 62 MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures"); 63 MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap", 64 "DRM CTXBITMAP Data Structures"); 65 MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures"); 66 MALLOC_DEFINE(DRM_MEM_DRAWABLE, "drm_drawable", "DRM DRAWABLE Data Structures"); 67 MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures"); 68 MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures"); 69 MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS Data Structures"); 70 71 void drm_mem_init(void) 72 { 73 } 74 75 void drm_mem_uninit(void) 76 { 77 } 78 79 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map) 80 { 81 return pmap_mapdev_attr(map->offset, map->size, VM_MEMATTR_WRITE_COMBINING); 82 } 83 84 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map) 85 { 86 return pmap_mapdev(map->offset, map->size); 87 } 88 89 void drm_ioremapfree(drm_local_map_t *map) 90 { 91 pmap_unmapdev((vm_offset_t) map->virtual, map->size); 92 } 93 94 int 95 drm_mtrr_add(unsigned long offset, size_t size, int flags) 96 { 97 int act; 98 struct mem_range_desc mrdesc; 99 100 mrdesc.mr_base = offset; 101 mrdesc.mr_len = size; 102 mrdesc.mr_flags = flags; 103 act = MEMRANGE_SET_UPDATE; 104 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); 105 return mem_range_attr_set(&mrdesc, &act); 106 } 107 108 int 109 drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags) 110 { 111 int act; 112 struct mem_range_desc mrdesc; 113 114 mrdesc.mr_base = offset; 115 mrdesc.mr_len = size; 116 mrdesc.mr_flags = flags; 117 act = MEMRANGE_SET_REMOVE; 118 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); 119 return mem_range_attr_set(&mrdesc, &act); 120 } 121 122 void 123 drm_clflush_pages(vm_page_t *pages, unsigned long num_pages) 124 { 125 126 pmap_invalidate_cache_pages(pages, num_pages); 127 } 128