arg.flags = flags;
arg.type = type;
arg.class = class;
- arg.op = drm_fence_create;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+ if (ioctl(fd, DRM_IOCTL_FENCE_CREATE, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
memset(&arg, 0, sizeof(arg));
arg.flags = flags;
- arg.op = drm_fence_buffers;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_destroy;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_DESTROY, &arg))
return -errno;
return 0;
}
memset(&arg, 0, sizeof(arg));
arg.handle = handle;
- arg.op = drm_fence_reference;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_unreference;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg))
return -errno;
return 0;
}
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
arg.type = flush_type;
- arg.op = drm_fence_flush;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_signaled;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
arg.flags = flags;
arg.handle = fence->handle;
arg.type = emit_type;
- arg.op = drm_fence_emit;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_EMIT, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
arg.handle = fence->handle;
arg.type = flush_type;
arg.flags = flags;
- arg.op = drm_fence_wait;
+
do {
- ret = ioctl(fd, DRM_IOCTL_FENCE, &arg);
+ ret = ioctl(fd, DRM_IOCTL_FENCE_WAIT, &arg);
} while (ret != 0 && errno == EAGAIN);
if (ret)
DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
return ret;
}
+
+int drm_fence_create_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ if (arg.flags & DRM_FENCE_FLAG_EMIT)
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ ret = drm_fence_object_create(dev, arg.class,
+ arg.type, arg.flags, &fence);
+ if (ret)
+ return ret;
+ ret = drm_fence_add_user_object(priv, fence,
+ arg.flags &
+ DRM_FENCE_FLAG_SHAREABLE);
+ if (ret) {
+ drm_fence_usage_deref_unlocked(dev, fence);
+ return ret;
+ }
+
+ /*
+ * usage > 0. No need to lock dev->struct_mutex;
+ */
+
+ atomic_inc(&fence->usage);
+ arg.handle = fence->base.hash.key;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_destroy_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_user_object_t *uo;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ mutex_lock(&dev->struct_mutex);
+ uo = drm_lookup_user_object(priv, arg.handle);
+ if (!uo || (uo->type != drm_fence_type) || uo->owner != priv) {
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
+ }
+ ret = drm_remove_user_object(priv, uo);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+}
+
+
+int drm_fence_reference_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ drm_user_object_t *uo;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ ret = drm_user_object_ref(priv, arg.handle, drm_fence_type, &uo);
+ if (ret)
+ return ret;
+ fence = drm_lookup_fence_object(priv, arg.handle);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_unreference_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ return drm_user_object_unref(priv, arg.handle, drm_fence_type);
+}
+
+int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_flush_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_flush(dev, fence, arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_wait_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_wait(dev, fence,
+ arg.flags & DRM_FENCE_FLAG_WAIT_LAZY,
+ 0, arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_emit_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_emit(dev, fence, arg.flags, arg.class,
+ arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ if (!dev->bm.initialized) {
+ DRM_ERROR("Buffer object manager is not initialized\n");
+ return -EINVAL;
+ }
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ ret = drm_fence_buffer_objects(priv, NULL, arg.flags,
+ NULL, &fence);
+ if (ret)
+ return ret;
+ ret = drm_fence_add_user_object(priv, fence,
+ arg.flags &
+ DRM_FENCE_FLAG_SHAREABLE);
+ if (ret)
+ return ret;
+ atomic_inc(&fence->usage);
+ arg.handle = fence->base.hash.key;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
unsigned flags;
unsigned signaled;
unsigned expand_pad[4]; /*Future expansion */
- enum {
- drm_fence_create,
- drm_fence_destroy,
- drm_fence_reference,
- drm_fence_unreference,
- drm_fence_signaled,
- drm_fence_flush,
- drm_fence_wait,
- drm_fence_emit,
- drm_fence_buffers
- } op;
} drm_fence_arg_t;
/* Buffer permissions, referring to how the GPU uses the buffers.
#define DRM_IOCTL_FENCE_SIGNALED DRM_IOWR(0xc8, drm_fence_arg_t)
#define DRM_IOCTL_FENCE_FLUSH DRM_IOWR(0xc9, drm_fence_arg_t)
#define DRM_IOCTL_FENCE_WAIT DRM_IOWR(0xca, drm_fence_arg_t)
-#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcb, drm_fence_arg_t)
-
-#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcc, drm_bo_arg_t)
-#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xcd, drm_bo_arg_t)
-#define DRM_IOCTL_BO_MAP DRM_IOWR(0xce, drm_bo_arg_t)
-#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xcf, drm_bo_arg_t)
-#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd0, drm_bo_arg_t)
-#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd1, drm_bo_arg_t)
-#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd2, drm_bo_arg_t)
-#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd3, drm_bo_arg_t)
-#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, drm_bo_arg_t)
-#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, drm_bo_arg_t)
-#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd6, drm_bo_arg_t)
+#define DRM_IOCTL_FENCE_EMIT DRM_IOWR(0xcb, drm_fence_arg_t)
+#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcc, drm_fence_arg_t)
+
+#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcd, drm_bo_arg_t)
+#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xce, drm_bo_arg_t)
+#define DRM_IOCTL_BO_MAP DRM_IOWR(0xcf, drm_bo_arg_t)
+#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xd0, drm_bo_arg_t)
+#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd1, drm_bo_arg_t)
+#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd2, drm_bo_arg_t)
+#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd3, drm_bo_arg_t)
+#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd4, drm_bo_arg_t)
+#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd5, drm_bo_arg_t)
+#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd6, drm_bo_arg_t)
+#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd7, drm_bo_arg_t)
/*@}*/