drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

[thirdparty/linux.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.h

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 59f614225bcd72b8a84a5de42813359e9a2760d0..aca974b14b550b11d02e7d3d83ac77fc60e4f439 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -606,6 +606,9 @@ struct vmw_private {
 
        struct vmw_cmdbuf_man *cman;
        DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
+
+       /* Validation memory reservation */
+       struct vmw_validation_mem vvm;
 };
 
 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
@@ -846,6 +849,8 @@ extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 
+extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
+                                       size_t gran);
 /**
  * TTM buffer object driver - vmwgfx_ttm_buffer.c
  */