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/**************************************************************************
*
* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
* 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
**************************************************************************/
#include "vmwgfx_drv.h"
#include "vmwgfx_drm.h"
int vmw_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct drm_vmw_getparam_arg *param =
(struct drm_vmw_getparam_arg *)data;
switch (param->param) {
case DRM_VMW_PARAM_NUM_STREAMS:
param->value = vmw_overlay_num_overlays(dev_priv);
break;
case DRM_VMW_PARAM_NUM_FREE_STREAMS:
param->value = vmw_overlay_num_free_overlays(dev_priv);
break;
case DRM_VMW_PARAM_3D:
param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
break;
case DRM_VMW_PARAM_FIFO_OFFSET:
param->value = dev_priv->mmio_start;
break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
return -EINVAL;
}
return 0;
}
int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fifo_state *fifo_state = &dev_priv->fifo;
struct drm_vmw_fifo_debug_arg *arg =
(struct drm_vmw_fifo_debug_arg *)data;
__le32 __user *buffer = (__le32 __user *)
(unsigned long)arg->debug_buffer;
if (unlikely(fifo_state->last_buffer == NULL))
return -EINVAL;
if (arg->debug_buffer_size < fifo_state->last_data_size) {
arg->used_size = arg->debug_buffer_size;
arg->did_not_fit = 1;
} else {
arg->used_size = fifo_state->last_data_size;
arg->did_not_fit = 0;
}
return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size);
}
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