1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /**************************************************************************
4 * Copyright 2009-2022 VMware, Inc., Palo Alto, CA., USA
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #include "vmwgfx_drv.h"
29 #include "vmwgfx_devcaps.h"
30 #include "vmwgfx_kms.h"
32 #include <drm/vmwgfx_drm.h>
33 #include <linux/pci.h>
35 int vmw_getparam_ioctl(struct drm_device *dev, void *data,
36 struct drm_file *file_priv)
38 struct vmw_private *dev_priv = vmw_priv(dev);
39 struct drm_vmw_getparam_arg *param =
40 (struct drm_vmw_getparam_arg *)data;
41 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
43 switch (param->param) {
44 case DRM_VMW_PARAM_NUM_STREAMS:
45 param->value = vmw_overlay_num_overlays(dev_priv);
47 case DRM_VMW_PARAM_NUM_FREE_STREAMS:
48 param->value = vmw_overlay_num_free_overlays(dev_priv);
50 case DRM_VMW_PARAM_3D:
51 param->value = vmw_supports_3d(dev_priv) ? 1 : 0;
53 case DRM_VMW_PARAM_HW_CAPS:
54 param->value = dev_priv->capabilities;
56 case DRM_VMW_PARAM_HW_CAPS2:
57 param->value = dev_priv->capabilities2;
59 case DRM_VMW_PARAM_FIFO_CAPS:
60 param->value = vmw_fifo_caps(dev_priv);
62 case DRM_VMW_PARAM_MAX_FB_SIZE:
63 param->value = dev_priv->max_primary_mem;
65 case DRM_VMW_PARAM_FIFO_HW_VERSION:
67 if ((dev_priv->capabilities & SVGA_CAP_GBOBJECTS))
68 param->value = SVGA3D_HWVERSION_WS8_B1;
70 param->value = vmw_fifo_mem_read(
72 ((vmw_fifo_caps(dev_priv) &
73 SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
74 SVGA_FIFO_3D_HWVERSION_REVISED :
75 SVGA_FIFO_3D_HWVERSION));
78 case DRM_VMW_PARAM_MAX_SURF_MEMORY:
79 if ((dev_priv->capabilities & SVGA_CAP_GBOBJECTS) &&
81 param->value = dev_priv->max_mob_pages * PAGE_SIZE / 2;
83 param->value = dev_priv->memory_size;
85 case DRM_VMW_PARAM_3D_CAPS_SIZE:
86 param->value = vmw_devcaps_size(dev_priv, vmw_fp->gb_aware);
88 case DRM_VMW_PARAM_MAX_MOB_MEMORY:
89 vmw_fp->gb_aware = true;
90 param->value = dev_priv->max_mob_pages * PAGE_SIZE;
92 case DRM_VMW_PARAM_MAX_MOB_SIZE:
93 param->value = dev_priv->max_mob_size;
95 case DRM_VMW_PARAM_SCREEN_TARGET:
97 (dev_priv->active_display_unit == vmw_du_screen_target);
99 case DRM_VMW_PARAM_DX:
100 param->value = has_sm4_context(dev_priv);
102 case DRM_VMW_PARAM_SM4_1:
103 param->value = has_sm4_1_context(dev_priv);
105 case DRM_VMW_PARAM_SM5:
106 param->value = has_sm5_context(dev_priv);
108 case DRM_VMW_PARAM_GL43:
109 param->value = has_gl43_context(dev_priv);
111 case DRM_VMW_PARAM_DEVICE_ID:
112 param->value = to_pci_dev(dev_priv->drm.dev)->device;
122 int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
123 struct drm_file *file_priv)
125 struct drm_vmw_get_3d_cap_arg *arg =
126 (struct drm_vmw_get_3d_cap_arg *) data;
127 struct vmw_private *dev_priv = vmw_priv(dev);
129 void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
132 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
134 if (unlikely(arg->pad64 != 0 || arg->max_size == 0)) {
135 VMW_DEBUG_USER("Illegal GET_3D_CAP argument.\n");
139 size = vmw_devcaps_size(dev_priv, vmw_fp->gb_aware);
140 if (unlikely(size == 0)) {
141 DRM_ERROR("Failed to figure out the devcaps size (no 3D).\n");
145 if (arg->max_size < size)
146 size = arg->max_size;
148 bounce = vzalloc(size);
149 if (unlikely(bounce == NULL)) {
150 DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n");
154 ret = vmw_devcaps_copy(dev_priv, vmw_fp->gb_aware, bounce, size);
155 if (unlikely (ret != 0))
158 ret = copy_to_user(buffer, bounce, size);
164 if (unlikely(ret != 0))
165 DRM_ERROR("Failed to report 3D caps info.\n");
170 int vmw_present_ioctl(struct drm_device *dev, void *data,
171 struct drm_file *file_priv)
173 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
174 struct vmw_private *dev_priv = vmw_priv(dev);
175 struct drm_vmw_present_arg *arg =
176 (struct drm_vmw_present_arg *)data;
177 struct vmw_surface *surface;
178 struct drm_vmw_rect __user *clips_ptr;
179 struct drm_vmw_rect *clips = NULL;
180 struct drm_framebuffer *fb;
181 struct vmw_framebuffer *vfb;
182 struct vmw_resource *res;
186 num_clips = arg->num_clips;
187 clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
189 if (unlikely(num_clips == 0))
192 if (clips_ptr == NULL) {
193 VMW_DEBUG_USER("Variable clips_ptr must be specified.\n");
198 clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
200 DRM_ERROR("Failed to allocate clip rect list.\n");
205 ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
207 DRM_ERROR("Failed to copy clip rects from userspace.\n");
212 drm_modeset_lock_all(dev);
214 fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id);
216 VMW_DEBUG_USER("Invalid framebuffer id.\n");
220 vfb = vmw_framebuffer_to_vfb(fb);
222 ret = vmw_user_resource_lookup_handle(dev_priv, tfile, arg->sid,
223 user_surface_converter,
228 surface = vmw_res_to_srf(res);
229 ret = vmw_kms_present(dev_priv, file_priv,
230 vfb, surface, arg->sid,
231 arg->dest_x, arg->dest_y,
234 /* vmw_user_surface_lookup takes one ref so does new_fb */
235 vmw_surface_unreference(&surface);
238 drm_framebuffer_put(fb);
240 drm_modeset_unlock_all(dev);
247 int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
248 struct drm_file *file_priv)
250 struct vmw_private *dev_priv = vmw_priv(dev);
251 struct drm_vmw_present_readback_arg *arg =
252 (struct drm_vmw_present_readback_arg *)data;
253 struct drm_vmw_fence_rep __user *user_fence_rep =
254 (struct drm_vmw_fence_rep __user *)
255 (unsigned long)arg->fence_rep;
256 struct drm_vmw_rect __user *clips_ptr;
257 struct drm_vmw_rect *clips = NULL;
258 struct drm_framebuffer *fb;
259 struct vmw_framebuffer *vfb;
263 num_clips = arg->num_clips;
264 clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
266 if (unlikely(num_clips == 0))
269 if (clips_ptr == NULL) {
270 VMW_DEBUG_USER("Argument clips_ptr must be specified.\n");
275 clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
277 DRM_ERROR("Failed to allocate clip rect list.\n");
282 ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
284 DRM_ERROR("Failed to copy clip rects from userspace.\n");
289 drm_modeset_lock_all(dev);
291 fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id);
293 VMW_DEBUG_USER("Invalid framebuffer id.\n");
298 vfb = vmw_framebuffer_to_vfb(fb);
300 VMW_DEBUG_USER("Framebuffer not buffer backed.\n");
302 goto out_no_ttm_lock;
305 ret = vmw_kms_readback(dev_priv, file_priv,
310 drm_framebuffer_put(fb);
312 drm_modeset_unlock_all(dev);