nvidia-oot: port tegra ivc-mempool driver

Using this patch we are adding support for
tegra ivc-mempool driver in oot kernel.

JIRA ESLC-6885

Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Change-Id: Iaaae26f581264b2d9b792bd26937da5f852dba8e
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2763833
Reviewed-by: Suresh Venkatachalam <skathirampat@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

include/uapi/linux/nvhvivc_mempool_ioctl.h

@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ */
+#ifndef __UAPI_NVHVIVC_MEMPOOL_IOCTL_H__
+#define __UAPI_NVHVIVC_MEMPOOL_IOCTL_H__
+
+#include <linux/ioctl.h>
+
+/* ivc mempool IOCTL magic number */
+#define TEGRA_MPLUSERSPACE_IOCTL_MAGIC 0xA6
+
+
+/* IOCTL definitions */
+
+/* query ivc mempool configuration data */
+#define TEGRA_MPLUSERSPACE_IOCTL_GET_INFO \
+	_IOR(TEGRA_MPLUSERSPACE_IOCTL_MAGIC, 1, struct ivc_mempool)
+
+#define TEGRA_MPLUSERSPACE_IOCTL_NUMBER_MAX 1
+
+#endif /* __UAPI_NVHVIVC_MEMPOOL_IOCTL_H__ */