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authorDave Airlie <airlied@panoply-rh.(none)>2008-03-17 16:37:46 +1000
committerDave Airlie <airlied@panoply-rh.(none)>2008-03-17 16:38:20 +1000
commit607964ed9e5f6d86a0960bef2341e7f5de9c71da (patch)
tree2fa0f3ff0bc57846eded35c4b76e92c08dbec7c5 /linux-core
parent2d0411cb7544ea45b5879d4f454cb9ee3c9ff5fb (diff)
drm: add master set/drop protocol
this may not survive long - just need something for testing
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drmP.h4
-rw-r--r--linux-core/drm_drv.c3
-rw-r--r--linux-core/drm_stub.c23
3 files changed, 30 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 8273c879..c2c3cdde 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -1266,6 +1266,10 @@ extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
+extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
extern struct drm_master *drm_get_master(struct drm_minor *minor);
extern void drm_put_master(struct drm_master *master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 09372c71..649d4cae 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -76,6 +76,9 @@ static struct drm_ioctl_desc drm_ioctls[] = {
DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY),
+
DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index 6856075b..f66dec07 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -88,6 +88,29 @@ again:
return new_id;
}
+int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ if (file_priv->minor->master && file_priv->minor->master != file_priv->master)
+ return -EINVAL;
+
+ if (!file_priv->master)
+ return -EINVAL;
+
+ if (!file_priv->minor->master && file_priv->minor->master != file_priv->master)
+ file_priv->minor->master = file_priv->master;
+ return 0;
+}
+
+int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ if (!file_priv->master)
+ return -EINVAL;
+ file_priv->minor->master = NULL;
+ return 0;
+}
+
struct drm_master *drm_get_master(struct drm_minor *minor)
{
struct drm_master *master;