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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c81
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 00000000000..5fa6a4ed238
--- /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);
+}