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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.c273
1 files changed, 256 insertions, 17 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 570d57775a5..3f6343502d1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -27,6 +27,7 @@
#include "vmwgfx_drv.h"
#include "vmwgfx_drm.h"
+#include "vmwgfx_kms.h"
int vmw_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -45,9 +46,6 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
case DRM_VMW_PARAM_3D:
param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
break;
- case DRM_VMW_PARAM_FIFO_OFFSET:
- param->value = dev_priv->mmio_start;
- break;
case DRM_VMW_PARAM_HW_CAPS:
param->value = dev_priv->capabilities;
break;
@@ -57,6 +55,13 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
case DRM_VMW_PARAM_MAX_FB_SIZE:
param->value = dev_priv->vram_size;
break;
+ case DRM_VMW_PARAM_FIFO_HW_VERSION:
+ {
+ __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+
+ param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+ break;
+ }
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
@@ -66,25 +71,259 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
return 0;
}
-int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
+
+int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct drm_vmw_get_3d_cap_arg *arg =
+ (struct drm_vmw_get_3d_cap_arg *) data;
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;
+ uint32_t size;
+ __le32 __iomem *fifo_mem;
+ void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
+ void *bounce;
+ int ret;
- if (unlikely(fifo_state->last_buffer == NULL))
+ if (unlikely(arg->pad64 != 0)) {
+ DRM_ERROR("Illegal GET_3D_CAP argument.\n");
return -EINVAL;
+ }
+
+ size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2;
+
+ if (arg->max_size < size)
+ size = arg->max_size;
+
+ bounce = vmalloc(size);
+ if (unlikely(bounce == NULL)) {
+ DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n");
+ return -ENOMEM;
+ }
+
+ fifo_mem = dev_priv->mmio_virt;
+ memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
+
+ ret = copy_to_user(buffer, bounce, size);
+ vfree(bounce);
+
+ if (unlikely(ret != 0))
+ DRM_ERROR("Failed to report 3D caps info.\n");
+
+ return ret;
+}
+
+int vmw_present_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct drm_vmw_present_arg *arg =
+ (struct drm_vmw_present_arg *)data;
+ struct vmw_surface *surface;
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ struct drm_vmw_rect __user *clips_ptr;
+ struct drm_vmw_rect *clips = NULL;
+ struct drm_mode_object *obj;
+ struct vmw_framebuffer *vfb;
+ uint32_t num_clips;
+ int ret;
+
+ num_clips = arg->num_clips;
+ clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
+
+ if (unlikely(num_clips == 0))
+ return 0;
+
+ if (clips_ptr == NULL) {
+ DRM_ERROR("Variable clips_ptr must be specified.\n");
+ ret = -EINVAL;
+ goto out_clips;
+ }
+
+ clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+ if (clips == NULL) {
+ DRM_ERROR("Failed to allocate clip rect list.\n");
+ ret = -ENOMEM;
+ goto out_clips;
+ }
+
+ ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
+ if (ret) {
+ DRM_ERROR("Failed to copy clip rects from userspace.\n");
+ ret = -EFAULT;
+ goto out_no_copy;
+ }
+
+ ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+ if (unlikely(ret != 0)) {
+ ret = -ERESTARTSYS;
+ goto out_no_mode_mutex;
+ }
+
+ obj = drm_mode_object_find(dev, arg->fb_id, DRM_MODE_OBJECT_FB);
+ if (!obj) {
+ DRM_ERROR("Invalid framebuffer id.\n");
+ ret = -EINVAL;
+ goto out_no_fb;
+ }
+
+ vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
+ if (!vfb->dmabuf) {
+ DRM_ERROR("Framebuffer not dmabuf backed.\n");
+ ret = -EINVAL;
+ goto out_no_fb;
+ }
+
+ ret = ttm_read_lock(&vmaster->lock, true);
+ if (unlikely(ret != 0))
+ goto out_no_ttm_lock;
+
+ ret = vmw_user_surface_lookup_handle(dev_priv, tfile, arg->sid,
+ &surface);
+ if (ret)
+ goto out_no_surface;
+
+ ret = vmw_kms_present(dev_priv, file_priv,
+ vfb, surface, arg->sid,
+ arg->dest_x, arg->dest_y,
+ clips, num_clips);
- 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;
+ /* vmw_user_surface_lookup takes one ref so does new_fb */
+ vmw_surface_unreference(&surface);
+
+out_no_surface:
+ ttm_read_unlock(&vmaster->lock);
+out_no_ttm_lock:
+out_no_fb:
+ mutex_unlock(&dev->mode_config.mutex);
+out_no_mode_mutex:
+out_no_copy:
+ kfree(clips);
+out_clips:
+ return ret;
+}
+
+int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct drm_vmw_present_readback_arg *arg =
+ (struct drm_vmw_present_readback_arg *)data;
+ struct drm_vmw_fence_rep __user *user_fence_rep =
+ (struct drm_vmw_fence_rep __user *)
+ (unsigned long)arg->fence_rep;
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ struct drm_vmw_rect __user *clips_ptr;
+ struct drm_vmw_rect *clips = NULL;
+ struct drm_mode_object *obj;
+ struct vmw_framebuffer *vfb;
+ uint32_t num_clips;
+ int ret;
+
+ num_clips = arg->num_clips;
+ clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
+
+ if (unlikely(num_clips == 0))
+ return 0;
+
+ if (clips_ptr == NULL) {
+ DRM_ERROR("Argument clips_ptr must be specified.\n");
+ ret = -EINVAL;
+ goto out_clips;
+ }
+
+ clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+ if (clips == NULL) {
+ DRM_ERROR("Failed to allocate clip rect list.\n");
+ ret = -ENOMEM;
+ goto out_clips;
+ }
+
+ ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips));
+ if (ret) {
+ DRM_ERROR("Failed to copy clip rects from userspace.\n");
+ ret = -EFAULT;
+ goto out_no_copy;
+ }
+
+ ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+ if (unlikely(ret != 0)) {
+ ret = -ERESTARTSYS;
+ goto out_no_mode_mutex;
+ }
+
+ obj = drm_mode_object_find(dev, arg->fb_id, DRM_MODE_OBJECT_FB);
+ if (!obj) {
+ DRM_ERROR("Invalid framebuffer id.\n");
+ ret = -EINVAL;
+ goto out_no_fb;
+ }
+
+ vfb = vmw_framebuffer_to_vfb(obj_to_fb(obj));
+ if (!vfb->dmabuf) {
+ DRM_ERROR("Framebuffer not dmabuf backed.\n");
+ ret = -EINVAL;
+ goto out_no_fb;
}
- return copy_to_user(buffer, fifo_state->last_buffer, arg->used_size);
+
+ ret = ttm_read_lock(&vmaster->lock, true);
+ if (unlikely(ret != 0))
+ goto out_no_ttm_lock;
+
+ ret = vmw_kms_readback(dev_priv, file_priv,
+ vfb, user_fence_rep,
+ clips, num_clips);
+
+ ttm_read_unlock(&vmaster->lock);
+out_no_ttm_lock:
+out_no_fb:
+ mutex_unlock(&dev->mode_config.mutex);
+out_no_mode_mutex:
+out_no_copy:
+ kfree(clips);
+out_clips:
+ return ret;
+}
+
+
+/**
+ * vmw_fops_poll - wrapper around the drm_poll function
+ *
+ * @filp: See the linux fops poll documentation.
+ * @wait: See the linux fops poll documentation.
+ *
+ * Wrapper around the drm_poll function that makes sure the device is
+ * processing the fifo if drm_poll decides to wait.
+ */
+unsigned int vmw_fops_poll(struct file *filp, struct poll_table_struct *wait)
+{
+ struct drm_file *file_priv = filp->private_data;
+ struct vmw_private *dev_priv =
+ vmw_priv(file_priv->minor->dev);
+
+ vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
+ return drm_poll(filp, wait);
+}
+
+
+/**
+ * vmw_fops_read - wrapper around the drm_read function
+ *
+ * @filp: See the linux fops read documentation.
+ * @buffer: See the linux fops read documentation.
+ * @count: See the linux fops read documentation.
+ * offset: See the linux fops read documentation.
+ *
+ * Wrapper around the drm_read function that makes sure the device is
+ * processing the fifo if drm_read decides to wait.
+ */
+ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
+ size_t count, loff_t *offset)
+{
+ struct drm_file *file_priv = filp->private_data;
+ struct vmw_private *dev_priv =
+ vmw_priv(file_priv->minor->dev);
+
+ vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
+ return drm_read(filp, buffer, count, offset);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 13:49:13 +0000