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 00000000000..5fa6a4ed238 --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | |||
@@ -0,0 +1,81 @@ | |||
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 | |||
31 | int 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 = dev_priv->capabilities & SVGA_CAP_3D ? 1 : 0; | ||
47 | break; | ||
48 | case DRM_VMW_PARAM_FIFO_OFFSET: | ||
49 | param->value = dev_priv->mmio_start; | ||
50 | break; | ||
51 | default: | ||
52 | DRM_ERROR("Illegal vmwgfx get param request: %d\n", | ||
53 | param->param); | ||
54 | return -EINVAL; | ||
55 | } | ||
56 | |||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data, | ||
61 | struct drm_file *file_priv) | ||
62 | { | ||
63 | struct vmw_private *dev_priv = vmw_priv(dev); | ||
64 | struct vmw_fifo_state *fifo_state = &dev_priv->fifo; | ||
65 | struct drm_vmw_fifo_debug_arg *arg = | ||
66 | (struct drm_vmw_fifo_debug_arg *)data; | ||
67 | __le32 __user *buffer = (__le32 __user *) | ||
68 | (unsigned long)arg->debug_buffer; | ||
69 | |||
70 | if (unlikely(fifo_state->last_buffer == NULL)) | ||
71 | return -EINVAL; | ||
72 | |||
73 | if (arg->debug_buffer_size < fifo_state->last_data_size) { | ||
74 | arg->used_size = arg->debug_buffer_size; | ||
75 | arg->did_not_fit = 1; | ||
76 | } else { | ||
77 | arg->used_size = fifo_state->last_data_size; | ||
78 | arg->did_not_fit = 0; | ||
79 | } | ||
80 | return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size); | ||
81 | } | ||