1 /**************************************************************************
3 * Copyright © 2009 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 <drm/vmwgfx_drm.h>
30 #include "vmwgfx_kms.h"
32 int vmw_getparam_ioctl(struct drm_device *dev, void *data,
33 struct drm_file *file_priv)
35 struct vmw_private *dev_priv = vmw_priv(dev);
36 struct drm_vmw_getparam_arg *param =
37 (struct drm_vmw_getparam_arg *)data;
39 switch (param->param) {
40 case DRM_VMW_PARAM_NUM_STREAMS:
41 param->value = vmw_overlay_num_overlays(dev_priv);
43 case DRM_VMW_PARAM_NUM_FREE_STREAMS:
44 param->value = vmw_overlay_num_free_overlays(dev_priv);
46 case DRM_VMW_PARAM_3D:
47 param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
49 case DRM_VMW_PARAM_HW_CAPS:
50 param->value = dev_priv->capabilities;
52 case DRM_VMW_PARAM_FIFO_CAPS:
53 param->value = dev_priv->fifo.capabilities;
55 case DRM_VMW_PARAM_MAX_FB_SIZE:
56 param->value = dev_priv->vram_size;
58 case DRM_VMW_PARAM_FIFO_HW_VERSION:
60 __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
61 const struct vmw_fifo_state *fifo = &dev_priv->fifo;
65 ((fifo->capabilities &
66 SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ?
67 SVGA_FIFO_3D_HWVERSION_REVISED :
68 SVGA_FIFO_3D_HWVERSION));
71 case DRM_VMW_PARAM_MAX_SURF_MEMORY:
72 param->value = dev_priv->memory_size;
75 DRM_ERROR("Illegal vmwgfx get param request: %d\n",
84 int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
85 struct drm_file *file_priv)
87 struct drm_vmw_get_3d_cap_arg *arg =
88 (struct drm_vmw_get_3d_cap_arg *) data;
89 struct vmw_private *dev_priv = vmw_priv(dev);
91 __le32 __iomem *fifo_mem;
92 void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
96 if (unlikely(arg->pad64 != 0)) {
97 DRM_ERROR("Illegal GET_3D_CAP argument.\n");
101 size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2;
103 if (arg->max_size < size)
104 size = arg->max_size;
106 bounce = vmalloc(size);
107 if (unlikely(bounce == NULL)) {
108 DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n");
112 fifo_mem = dev_priv->mmio_virt;
113 memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
115 ret = copy_to_user(buffer, bounce, size);
120 if (unlikely(ret != 0))
121 DRM_ERROR("Failed to report 3D caps info.\n");
126 int vmw_present_ioctl(struct drm_device *dev, void *data,
127 struct drm_file *file_priv)
129 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
130 struct vmw_private *dev_priv = vmw_priv(dev);
131 struct drm_vmw_present_arg *arg =
132 (struct drm_vmw_present_arg *)data;
133 struct vmw_surface *surface;
134 struct vmw_master *vmaster = vmw_master(file_priv->master);
135 struct drm_vmw_rect __user *clips_ptr;
136 struct drm_vmw_rect *clips = NULL;
137 struct drm_framebuffer *fb;
138 struct vmw_framebuffer *vfb;
139 struct vmw_resource *res;
143 num_clips = arg->num_clips;
144 clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
146 if (unlikely(num_clips == 0))
149 if (clips_ptr == NULL) {
150 DRM_ERROR("Variable clips_ptr must be specified.\n");
155 clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
157 DRM_ERROR("Failed to allocate clip rect list.\n");
162 ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
164 DRM_ERROR("Failed to copy clip rects from userspace.\n");
169 drm_modeset_lock_all(dev);
171 fb = drm_framebuffer_lookup(dev, arg->fb_id);
173 DRM_ERROR("Invalid framebuffer id.\n");
177 vfb = vmw_framebuffer_to_vfb(fb);
179 ret = ttm_read_lock(&vmaster->lock, true);
180 if (unlikely(ret != 0))
181 goto out_no_ttm_lock;
183 ret = vmw_user_resource_lookup_handle(dev_priv, tfile, arg->sid,
184 user_surface_converter,
189 surface = vmw_res_to_srf(res);
190 ret = vmw_kms_present(dev_priv, file_priv,
191 vfb, surface, arg->sid,
192 arg->dest_x, arg->dest_y,
195 /* vmw_user_surface_lookup takes one ref so does new_fb */
196 vmw_surface_unreference(&surface);
199 ttm_read_unlock(&vmaster->lock);
201 drm_framebuffer_unreference(fb);
203 drm_modeset_unlock_all(dev);
210 int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
211 struct drm_file *file_priv)
213 struct vmw_private *dev_priv = vmw_priv(dev);
214 struct drm_vmw_present_readback_arg *arg =
215 (struct drm_vmw_present_readback_arg *)data;
216 struct drm_vmw_fence_rep __user *user_fence_rep =
217 (struct drm_vmw_fence_rep __user *)
218 (unsigned long)arg->fence_rep;
219 struct vmw_master *vmaster = vmw_master(file_priv->master);
220 struct drm_vmw_rect __user *clips_ptr;
221 struct drm_vmw_rect *clips = NULL;
222 struct drm_framebuffer *fb;
223 struct vmw_framebuffer *vfb;
227 num_clips = arg->num_clips;
228 clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
230 if (unlikely(num_clips == 0))
233 if (clips_ptr == NULL) {
234 DRM_ERROR("Argument clips_ptr must be specified.\n");
239 clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
241 DRM_ERROR("Failed to allocate clip rect list.\n");
246 ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
248 DRM_ERROR("Failed to copy clip rects from userspace.\n");
253 drm_modeset_lock_all(dev);
255 fb = drm_framebuffer_lookup(dev, arg->fb_id);
257 DRM_ERROR("Invalid framebuffer id.\n");
262 vfb = vmw_framebuffer_to_vfb(fb);
264 DRM_ERROR("Framebuffer not dmabuf backed.\n");
266 goto out_no_ttm_lock;
269 ret = ttm_read_lock(&vmaster->lock, true);
270 if (unlikely(ret != 0))
271 goto out_no_ttm_lock;
273 ret = vmw_kms_readback(dev_priv, file_priv,
277 ttm_read_unlock(&vmaster->lock);
279 drm_framebuffer_unreference(fb);
281 drm_modeset_unlock_all(dev);
290 * vmw_fops_poll - wrapper around the drm_poll function
292 * @filp: See the linux fops poll documentation.
293 * @wait: See the linux fops poll documentation.
295 * Wrapper around the drm_poll function that makes sure the device is
296 * processing the fifo if drm_poll decides to wait.
298 unsigned int vmw_fops_poll(struct file *filp, struct poll_table_struct *wait)
300 struct drm_file *file_priv = filp->private_data;
301 struct vmw_private *dev_priv =
302 vmw_priv(file_priv->minor->dev);
304 vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
305 return drm_poll(filp, wait);
310 * vmw_fops_read - wrapper around the drm_read function
312 * @filp: See the linux fops read documentation.
313 * @buffer: See the linux fops read documentation.
314 * @count: See the linux fops read documentation.
315 * offset: See the linux fops read documentation.
317 * Wrapper around the drm_read function that makes sure the device is
318 * processing the fifo if drm_read decides to wait.
320 ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
321 size_t count, loff_t *offset)
323 struct drm_file *file_priv = filp->private_data;
324 struct vmw_private *dev_priv =
325 vmw_priv(file_priv->minor->dev);
327 vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
328 return drm_read(filp, buffer, count, offset);