diff options
Diffstat (limited to 'sys/dev/drm2/drm_memory.c')
| -rw-r--r-- | sys/dev/drm2/drm_memory.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sys/dev/drm2/drm_memory.c b/sys/dev/drm2/drm_memory.c new file mode 100644 index 000000000000..fa48197388cc --- /dev/null +++ b/sys/dev/drm2/drm_memory.c @@ -0,0 +1,127 @@ +/*- + *Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright (c) 2011 The FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * 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("$FreeBSD$"); + +/** @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/drm2/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"); +MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS 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); +} + +void +drm_clflush_pages(vm_page_t *pages, unsigned long num_pages) +{ + + pmap_invalidate_cache_pages(pages, num_pages); +} |