Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / qxl / qxl_object.h

diff --git a/kernel/drivers/gpu/drm/qxl/qxl_object.h b/kernel/drivers/gpu/drm/qxl/qxl_object.h
new file mode 100644 (file)
index 0000000..37af1bc
--- /dev/null
+++ b/kernel/drivers/gpu/drm/qxl/qxl_object.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2013 Red Hat Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
+ *          Alon Levy
+ */
+#ifndef QXL_OBJECT_H
+#define QXL_OBJECT_H
+
+#include "qxl_drv.h"
+
+static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
+{
+       int r;
+
+       r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL);
+       if (unlikely(r != 0)) {
+               if (r != -ERESTARTSYS) {
+                       struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
+                       dev_err(qdev->dev, "%p reserve failed\n", bo);
+               }
+               return r;
+       }
+       return 0;
+}
+
+static inline void qxl_bo_unreserve(struct qxl_bo *bo)
+{
+       ttm_bo_unreserve(&bo->tbo);
+}
+
+static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
+{
+       return bo->tbo.offset;
+}
+
+static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
+{
+       return bo->tbo.num_pages << PAGE_SHIFT;
+}
+
+static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
+{
+       return drm_vma_node_offset_addr(&bo->tbo.vma_node);
+}
+
+static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
+                             bool no_wait)
+{
+       int r;
+
+       r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL);
+       if (unlikely(r != 0)) {
+               if (r != -ERESTARTSYS) {
+                       struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
+                       dev_err(qdev->dev, "%p reserve failed for wait\n",
+                               bo);
+               }
+               return r;
+       }
+       if (mem_type)
+               *mem_type = bo->tbo.mem.mem_type;
+
+       r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
+       ttm_bo_unreserve(&bo->tbo);
+       return r;
+}
+
+extern int qxl_bo_create(struct qxl_device *qdev,
+                        unsigned long size,
+                        bool kernel, bool pinned, u32 domain,
+                        struct qxl_surface *surf,
+                        struct qxl_bo **bo_ptr);
+extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
+extern void qxl_bo_kunmap(struct qxl_bo *bo);
+void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
+void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
+extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
+extern void qxl_bo_unref(struct qxl_bo **bo);
+extern int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr);
+extern int qxl_bo_unpin(struct qxl_bo *bo);
+extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
+extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
+
+#endif