1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
new file mode 100644
index 000000000000..a300b4b3d545
--- /dev/null
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2015 Etnaviv Project
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ETNAVIV_GEM_H__
+#define __ETNAVIV_GEM_H__
+
+#include <linux/reservation.h>
+#include "etnaviv_drv.h"
+
+struct etnaviv_gem_ops;
+struct etnaviv_gem_object;
+
+struct etnaviv_gem_userptr {
+	uintptr_t ptr;
+	struct task_struct *task;
+	struct work_struct *work;
+	bool ro;
+};
+
+struct etnaviv_vram_mapping {
+	struct list_head obj_node;
+	struct list_head scan_node;
+	struct list_head mmu_node;
+	struct etnaviv_gem_object *object;
+	struct etnaviv_iommu *mmu;
+	struct drm_mm_node vram_node;
+	unsigned int use;
+	u32 iova;
+};
+
+struct etnaviv_gem_object {
+	struct drm_gem_object base;
+	const struct etnaviv_gem_ops *ops;
+	struct mutex lock;
+
+	u32 flags;
+
+	struct list_head gem_node;
+	struct etnaviv_gpu *gpu;     /* non-null if active */
+	atomic_t gpu_active;
+	u32 access;
+
+	struct page **pages;
+	struct sg_table *sgt;
+	void *vaddr;
+
+	/* normally (resv == &_resv) except for imported bo's */
+	struct reservation_object *resv;
+	struct reservation_object _resv;
+
+	struct list_head vram_list;
+
+	/* cache maintenance */
+	u32 last_cpu_prep_op;
+
+	struct etnaviv_gem_userptr userptr;
+};
+
+static inline
+struct etnaviv_gem_object *to_etnaviv_bo(struct drm_gem_object *obj)
+{
+	return container_of(obj, struct etnaviv_gem_object, base);
+}
+
+struct etnaviv_gem_ops {
+	int (*get_pages)(struct etnaviv_gem_object *);
+	void (*release)(struct etnaviv_gem_object *);
+};
+
+static inline bool is_active(struct etnaviv_gem_object *etnaviv_obj)
+{
+	return atomic_read(&etnaviv_obj->gpu_active) != 0;
+}
+
+#define MAX_CMDS 4
+
+/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
+ * associated with the cmdstream submission for synchronization (and
+ * make it easier to unwind when things go wrong, etc).  This only
+ * lasts for the duration of the submit-ioctl.
+ */
+struct etnaviv_gem_submit {
+	struct drm_device *dev;
+	struct etnaviv_gpu *gpu;
+	struct ww_acquire_ctx ticket;
+	u32 fence;
+	unsigned int nr_bos;
+	struct {
+		u32 flags;
+		struct etnaviv_gem_object *obj;
+		u32 iova;
+	} bos[0];
+};
+
+int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj,
+	struct timespec *timeout);
+int etnaviv_gem_new_private(struct drm_device *dev, size_t size, u32 flags,
+	struct reservation_object *robj, const struct etnaviv_gem_ops *ops,
+	struct etnaviv_gem_object **res);
+int etnaviv_gem_obj_add(struct drm_device *dev, struct drm_gem_object *obj);
+struct page **etnaviv_gem_get_pages(struct etnaviv_gem_object *obj);
+void etnaviv_gem_put_pages(struct etnaviv_gem_object *obj);
+
+#endif /* __ETNAVIV_GEM_H__ */