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 "vmwgfx_drv.h" 29#include "vmwgfx_drm.h" 30 31int vmw_getparam_ioctl(struct drm_device *dev, void *data, 32 struct drm_file *file_priv) 33{ 34 struct vmw_private *dev_priv = vmw_priv(dev); 35 struct drm_vmw_getparam_arg *param = 36 (struct drm_vmw_getparam_arg *)data; 37 38 switch (param->param) { 39 case DRM_VMW_PARAM_NUM_STREAMS: 40 param->value = vmw_overlay_num_overlays(dev_priv); 41 break; 42 case DRM_VMW_PARAM_NUM_FREE_STREAMS: 43 param->value = vmw_overlay_num_free_overlays(dev_priv); 44 break; 45 case DRM_VMW_PARAM_3D: 46 param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0; 47 break; 48 case DRM_VMW_PARAM_FIFO_OFFSET: 49 param->value = dev_priv->mmio_start; 50 break; 51 case DRM_VMW_PARAM_HW_CAPS: 52 param->value = dev_priv->capabilities; 53 break; 54 case DRM_VMW_PARAM_FIFO_CAPS: 55 param->value = dev_priv->fifo.capabilities; 56 break; 57 default: 58 DRM_ERROR("Illegal vmwgfx get param request: %d\n", 59 param->param); 60 return -EINVAL; 61 } 62 63 return 0; 64} 65 66int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data, 67 struct drm_file *file_priv) 68{ 69 struct vmw_private *dev_priv = vmw_priv(dev); 70 struct vmw_fifo_state *fifo_state = &dev_priv->fifo; 71 struct drm_vmw_fifo_debug_arg *arg = 72 (struct drm_vmw_fifo_debug_arg *)data; 73 __le32 __user *buffer = (__le32 __user *) 74 (unsigned long)arg->debug_buffer; 75 76 if (unlikely(fifo_state->last_buffer == NULL)) 77 return -EINVAL; 78 79 if (arg->debug_buffer_size < fifo_state->last_data_size) { 80 arg->used_size = arg->debug_buffer_size; 81 arg->did_not_fit = 1; 82 } else { 83 arg->used_size = fifo_state->last_data_size; 84 arg->did_not_fit = 0; 85 } 86 return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size); 87} 88