gpu: nvgpu: Split as code to as IOCTL and common

Split as_gk20a.c into two parts:

common/linux/ioctl_as.c deals with as related devnodes and ioctls.
This file contains all the Linux specific parts of as_gk20a.c.

common/as.c deals with general as_gk20a maintenance and is Linux
independent.

JIRA NVGPU-16

Change-Id: I2d8541e0bd6ce159dc6e4de8e819dfcff0fa8f80
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1330803
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/as.h b/drivers/gpu/nvgpu/include/nvgpu/as.h
new file mode 100644
index 00000000..0e784396
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/as.h
@@ -0,0 +1,36 @@
+/*
+ * GK20A Address Spaces
+ *
+ * Copyright (c) 2011-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+#ifndef __NVGPU_AS_H__
+#define __NVGPU_AS_H__
+
+struct vm_gk20a;
+
+struct gk20a_as_share {
+        struct gk20a_as *as;
+        int id;
+        struct vm_gk20a *vm;
+};
+
+struct gk20a_as {
+        int last_share_id; /* dummy allocator for now */
+};
+
+int gk20a_as_release_share(struct gk20a_as_share *as_share);
+
+/* if big_page_size == 0, the default big page size is used */
+int gk20a_as_alloc_share(struct gk20a *g, u32 big_page_size,
+                         u32 flags, struct gk20a_as_share **out);
+
+#endif