gpu: nvgpu: vgpu: add gpu next hal & platform

- added compatible string and platform data
- added hal init
- mark gv11b_vgpu_probe global

Jira GVSCI-4645

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: If04261bf9421f23df065e26ffe998218a3ba5b73
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2342377
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

arch/nvgpu-linux.yaml

@@ -211,6 +211,7 @@ timers:
 vgpu:
   sources: [ os/linux/vgpu/fecs_trace_vgpu_linux.c,
              os/linux/vgpu/gv11b/platform_gv11b_vgpu_tegra.c,
+             os/linux/vgpu/gv11b/platform_gv11b_vgpu_tegra.h,
              os/linux/vgpu/platform_vgpu_tegra.c,
              os/linux/vgpu/platform_vgpu_tegra.h,
              os/linux/vgpu/sysfs_vgpu.c,

arch/nvgpu.yaml

@@ -58,7 +58,7 @@ nvgpu:
     hal-vgpu:
       safe: yes
       children:
-        !include nvgpu-hal-vgpu.yaml
+        !include nvgpu-hal-vgpu.yaml nvgpu-next-hal-vgpu.yaml
 
     # A meta-element for the GPU HW. A good example of this is the HW headers.
     # This is not code we write in nvgpu, but we import it from the GPU HW

drivers/gpu/nvgpu/hal/vgpu/init/init_hal_vgpu.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -26,6 +26,10 @@
 #include <nvgpu/vgpu/vgpu.h>
 #include <nvgpu/vgpu/os_init_hal_vgpu.h>
 
+#if defined(CONFIG_NVGPU_HAL_NON_FUSA) && defined(CONFIG_NVGPU_NEXT)
+#include "nvgpu_next_gpuid.h"
+#endif
+
 #include "init_hal_vgpu.h"
 #include "vgpu_hal_gp10b.h"
 #include "vgpu_hal_gv11b.h"
@@ -44,6 +48,11 @@ int vgpu_init_hal(struct gk20a *g)
 	case NVGPU_GPUID_GV11B:
 		err = vgpu_gv11b_init_hal(g);
 		break;
+#ifdef CONFIG_NVGPU_NEXT
+	case NVGPU_NEXT_GPUID:
+		err = NVGPU_NEXT_VGPU_INIT_HAL(g);
+		break;
+#endif
 #endif
 	default:
 		nvgpu_err(g, "no support for %x", ver);

drivers/gpu/nvgpu/os/linux/module.c

@@ -731,6 +731,10 @@ static struct of_device_id tegra_gk20a_of_match[] = {
 #if defined(CONFIG_NVGPU_NEXT) && defined(CONFIG_NVGPU_NON_FUSA)
 	{ .compatible = NVGPU_NEXT_COMPATIBLE,
 		.data = &NVGPU_NEXT_PLATFORM},
+#ifdef CONFIG_NVGPU_GR_VIRTUALIZATION
+	{ .compatible = NVGPU_NEXT_COMPATIBLE_VGPU,
+		.data = &NVGPU_NEXT_PLATFORM_VGPU},
+#endif
 #endif
 #endif
 	{ },

drivers/gpu/nvgpu/os/linux/vgpu/gv11b/platform_gv11b_vgpu_tegra.c

@@ -27,7 +27,7 @@
 #include "os/linux/vgpu/vgpu_linux.h"
 #include "os/linux/vgpu/platform_vgpu_tegra.h"
 
-static int gv11b_vgpu_probe(struct device *dev)
+int gv11b_vgpu_probe(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct gk20a_platform *platform = dev_get_drvdata(dev);

drivers/gpu/nvgpu/os/linux/vgpu/gv11b/platform_gv11b_vgpu_tegra.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2020, 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 PLATFORM_GV11B_VGPU_LINUX_H
+#define PLATFORM_GV11B_VGPU_LINUX_H
+
+struct device;
+
+int gv11b_vgpu_probe(struct device *dev);
+
+#endif