diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c new file mode 100644 index 000000000000..5fa6a4ed238a --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -0,0 +1,81 @@ +/************************************************************************** + * + * 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 = dev_priv->capabilities & SVGA_CAP_3D ? 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); +} |