1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
new file mode 100644
index 000000000000..b4fd89fbd8b7
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_object.h
@@ -0,0 +1,112 @@
+/*
+ * 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, 0);
+        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 bool qxl_bo_is_reserved(struct qxl_bo *bo)
+{
+        return !!atomic_read(&bo->tbo.reserved);
+}
+
+static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
+{
+        return bo->tbo.addr_space_offset;
+}
+
+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, 0);
+        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;
+        }
+        spin_lock(&bo->tbo.bdev->fence_lock);
+        if (mem_type)
+                *mem_type = bo->tbo.mem.mem_type;
+        if (bo->tbo.sync_obj)
+                r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
+        spin_unlock(&bo->tbo.bdev->fence_lock);
+        ttm_bo_unreserve(&bo->tbo);
+        return r;
+}
+
+extern int qxl_bo_create(struct qxl_device *qdev,
+                         unsigned long size,
+                         bool kernel, 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);
+extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
+
+extern int qxl_bo_list_add(struct qxl_reloc_list *reloc_list, struct qxl_bo *bo);
+extern void qxl_bo_list_unreserve(struct qxl_reloc_list *reloc_list, bool failed);
+#endif