82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/**************************************************************************
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*
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* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "vmwgfx_drv.h"
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#include "vmwgfx_drm.h"
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int vmw_getparam_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct drm_vmw_getparam_arg *param =
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(struct drm_vmw_getparam_arg *)data;
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switch (param->param) {
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case DRM_VMW_PARAM_NUM_STREAMS:
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param->value = vmw_overlay_num_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_NUM_FREE_STREAMS:
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param->value = vmw_overlay_num_free_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_3D:
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param->value = dev_priv->capabilities & SVGA_CAP_3D ? 1 : 0;
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break;
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case DRM_VMW_PARAM_FIFO_OFFSET:
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param->value = dev_priv->mmio_start;
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break;
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default:
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DRM_ERROR("Illegal vmwgfx get param request: %d\n",
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param->param);
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return -EINVAL;
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}
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return 0;
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}
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int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct vmw_fifo_state *fifo_state = &dev_priv->fifo;
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struct drm_vmw_fifo_debug_arg *arg =
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(struct drm_vmw_fifo_debug_arg *)data;
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__le32 __user *buffer = (__le32 __user *)
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(unsigned long)arg->debug_buffer;
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if (unlikely(fifo_state->last_buffer == NULL))
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return -EINVAL;
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if (arg->debug_buffer_size < fifo_state->last_data_size) {
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arg->used_size = arg->debug_buffer_size;
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arg->did_not_fit = 1;
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} else {
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arg->used_size = fifo_state->last_data_size;
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arg->did_not_fit = 0;
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}
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return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size);
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}
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