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-rw-r--r--include/drm/ttm/ttm_debug.h31
-rw-r--r--include/drm/ttm/ttm_page_alloc.h33
-rw-r--r--include/uapi/drm/amdgpu_drm.h2
3 files changed, 60 insertions, 6 deletions
diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h
new file mode 100644
index 000000000000..b5e460fa5086
--- /dev/null
+++ b/include/drm/ttm/ttm_debug.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Authors: Tom St Denis <tom.stdenis@amd.com>
+ */
+extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt);
+extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt);
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 49a828425fa2..38a2b4770c35 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void);
*
* Add backing pages to all of @ttm
*/
-extern int ttm_pool_populate(struct ttm_tt *ttm);
+int ttm_pool_populate(struct ttm_tt *ttm);
/**
* ttm_pool_unpopulate:
@@ -56,12 +56,12 @@ extern int ttm_pool_populate(struct ttm_tt *ttm);
*
* Free all pages of @ttm
*/
-extern void ttm_pool_unpopulate(struct ttm_tt *ttm);
+void ttm_pool_unpopulate(struct ttm_tt *ttm);
/**
* Output the state of pools to debugfs file
*/
-extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
@@ -78,10 +78,21 @@ void ttm_dma_page_alloc_fini(void);
/**
* Output the state of pools to debugfs file
*/
-extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
+int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
-extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
-extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+
+
+/**
+ * Populates and DMA maps pages to fullfil a ttm_dma_populate() request
+ */
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
+
+/**
+ * Unpopulates and DMA unmaps pages as part of a
+ * ttm_dma_unpopulate() request */
+void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
#else
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
@@ -105,6 +116,16 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
struct device *dev)
{
}
+
+static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+ return -ENOMEM;
+}
+
+static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+}
+
#endif
#endif
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 7b8fa11c2285..e055776f2f4c 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -87,6 +87,8 @@ extern "C" {
#define AMDGPU_GEM_CREATE_SHADOW (1 << 4)
/* Flag that allocating the BO should use linear VRAM */
#define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS (1 << 5)
+/* Flag that BO is always valid in this VM */
+#define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID (1 << 6)
struct drm_amdgpu_gem_create_in {
/** the requested memory size */