gpu: nvgpu: Implement dGPU simulation support

Implement support for dGPU fmodel. The message protocol is slightly
different and accessed via BAR0 aperture.

JIRA NVGPUT-41

Change-Id: Ide3c52a751530f520854965c1eba19fa8339a315
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1694963
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/common/linux/sim_pci.h

@@ -0,0 +1,28 @@
+/*
+ *
+ * GK20A sim support
+ *
+ * Copyright (c) 2018, 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.
+ *
+ * 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 __SIM_PCI_LINUX_H__
+#define __SIM_PCI_LINUX_H__
+
+#include "gk20a/sim_gk20a.h"
+#include "sim.h"
+
+int nvgpu_pci_init_sim_support(struct gk20a *g);
+
+#endif