Current Path : /sys/dev/drm/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/drm/drm_memory.c |
/*- *Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> * */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/drm/drm_memory.c 215367 2010-11-16 03:43:06Z nwhitehorn $"); /** @file drm_memory.c * Wrappers for kernel memory allocation routines, and MTRR management support. * * This file previously implemented a memory consumption tracking system using * the "area" argument for various different types of allocations, but that * has been stripped out for now. */ #include "dev/drm/drmP.h" MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures"); MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures"); MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures"); MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures"); MALLOC_DEFINE(DRM_MEM_IOCTLS, "drm_ioctls", "DRM IOCTL Data Structures"); MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures"); MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures"); MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures"); MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures"); MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures"); MALLOC_DEFINE(DRM_MEM_QUEUES, "drm_queues", "DRM QUEUE Data Structures"); MALLOC_DEFINE(DRM_MEM_CMDS, "drm_cmds", "DRM COMMAND Data Structures"); MALLOC_DEFINE(DRM_MEM_MAPPINGS, "drm_mapping", "DRM MAPPING Data Structures"); MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap", "DRM CTXBITMAP Data Structures"); MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures"); MALLOC_DEFINE(DRM_MEM_DRAWABLE, "drm_drawable", "DRM DRAWABLE Data Structures"); MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures"); MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures"); void drm_mem_init(void) { } void drm_mem_uninit(void) { } void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map) { return pmap_mapdev_attr(map->offset, map->size, VM_MEMATTR_WRITE_COMBINING); } void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map) { return pmap_mapdev(map->offset, map->size); } void drm_ioremapfree(drm_local_map_t *map) { pmap_unmapdev((vm_offset_t) map->virtual, map->size); } int drm_mtrr_add(unsigned long offset, size_t size, int flags) { int act; struct mem_range_desc mrdesc; mrdesc.mr_base = offset; mrdesc.mr_len = size; mrdesc.mr_flags = flags; act = MEMRANGE_SET_UPDATE; strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); return mem_range_attr_set(&mrdesc, &act); } int drm_mtrr_del(int __unused handle, unsigned long offset, size_t size, int flags) { int act; struct mem_range_desc mrdesc; mrdesc.mr_base = offset; mrdesc.mr_len = size; mrdesc.mr_flags = flags; act = MEMRANGE_SET_REMOVE; strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner)); return mem_range_attr_set(&mrdesc, &act); }