1/************************************************************************** 2 * 3 * Copyright �� 2009 VMware, Inc., Palo Alto, CA., USA 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 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "drmP.h" 29#include "vmwgfx_drv.h" 30 31int vmw_mmap(struct file *filp, struct vm_area_struct *vma) 32{ 33 struct drm_file *file_priv; 34 struct vmw_private *dev_priv; 35 36 if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) { 37 if (vmw_fifo_mmap(filp, vma) == 0) 38 return 0; 39 return drm_mmap(filp, vma); 40 } 41 42 file_priv = (struct drm_file *)filp->private_data; 43 dev_priv = vmw_priv(file_priv->minor->dev); 44 return ttm_bo_mmap(filp, vma, &dev_priv->bdev); 45} 46 47static int vmw_ttm_mem_global_init(struct drm_global_reference *ref) 48{ 49 DRM_INFO("global init.\n"); 50 return ttm_mem_global_init(ref->object); 51} 52 53static void vmw_ttm_mem_global_release(struct drm_global_reference *ref) 54{ 55 ttm_mem_global_release(ref->object); 56} 57 58int vmw_ttm_global_init(struct vmw_private *dev_priv) 59{ 60 struct drm_global_reference *global_ref; 61 int ret; 62 63 global_ref = &dev_priv->mem_global_ref; 64 global_ref->global_type = DRM_GLOBAL_TTM_MEM; 65 global_ref->size = sizeof(struct ttm_mem_global); 66 global_ref->init = &vmw_ttm_mem_global_init; 67 global_ref->release = &vmw_ttm_mem_global_release; 68 69 ret = drm_global_item_ref(global_ref); 70 if (unlikely(ret != 0)) { 71 DRM_ERROR("Failed setting up TTM memory accounting.\n"); 72 return ret; 73 } 74 75 dev_priv->bo_global_ref.mem_glob = 76 dev_priv->mem_global_ref.object; 77 global_ref = &dev_priv->bo_global_ref.ref; 78 global_ref->global_type = DRM_GLOBAL_TTM_BO; 79 global_ref->size = sizeof(struct ttm_bo_global); 80 global_ref->init = &ttm_bo_global_init; 81 global_ref->release = &ttm_bo_global_release; 82 ret = drm_global_item_ref(global_ref); 83 84 if (unlikely(ret != 0)) { 85 DRM_ERROR("Failed setting up TTM buffer objects.\n"); 86 goto out_no_bo; 87 } 88 89 return 0; 90out_no_bo: 91 drm_global_item_unref(&dev_priv->mem_global_ref); 92 return ret; 93} 94 95void vmw_ttm_global_release(struct vmw_private *dev_priv) 96{ 97 drm_global_item_unref(&dev_priv->bo_global_ref.ref); 98 drm_global_item_unref(&dev_priv->mem_global_ref); 99} 100