gpu: nvgpu: unit: add negative tests for common.gr.fs_state

Add negative tests that inject memory allocation failures and verify
error handling path in common.gr.fs_state unit.

Jira NVGPU-4373

Change-Id: If8774a60ffc951bd2c9978196268c20e10188026
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2247846
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

Makefile.umbrella.tmk

@@ -94,6 +94,7 @@ NV_REPOSITORY_COMPONENTS += userspace/units/gr/falcon
 NV_REPOSITORY_COMPONENTS += userspace/units/gr/config
 NV_REPOSITORY_COMPONENTS += userspace/units/gr/init
 NV_REPOSITORY_COMPONENTS += userspace/units/gr/setup
+NV_REPOSITORY_COMPONENTS += userspace/units/gr/fs_state
 NV_REPOSITORY_COMPONENTS += userspace/units/gr/intr
 NV_REPOSITORY_COMPONENTS += userspace/units/acr
 NV_REPOSITORY_COMPONENTS += userspace/units/cg

drivers/gpu/nvgpu/libnvgpu-drv_safe.export

@@ -223,6 +223,8 @@ nvgpu_gr_config_set_gpc_tpc_mask
 nvgpu_gr_config_get_gpc_tpc_mask
 nvgpu_gr_obj_ctx_is_golden_image_ready
 nvgpu_gr_ctx_get_tsgid
+nvgpu_gr_get_config_ptr
+nvgpu_gr_fs_state_init
 nvgpu_hr_timestamp
 nvgpu_init_ltc_support
 nvgpu_ltc_ecc_free

userspace/Makefile.sources

@@ -102,6 +102,7 @@ UNITS :=				\
 	$(UNIT_SRC)/gr/falcon		\
 	$(UNIT_SRC)/gr/config		\
 	$(UNIT_SRC)/gr/init		\
+	$(UNIT_SRC)/gr/fs_state		\
 	$(UNIT_SRC)/gr/intr		\
 	$(UNIT_SRC)/gr/setup		\
 	$(UNIT_SRC)/acr			\

userspace/SWUTS.h

@@ -82,6 +82,7 @@
  *   - @ref SWUTS-gr-setup
  *   - @ref SWUTS-gr-intr
  *   - @ref SWUTS-gr-falcon
+ *   - @ref SWUTS-gr-fs-state
  *   - @ref SWUTS-gr-config
  *
  */

userspace/SWUTS.sources

@@ -51,4 +51,5 @@ INPUT += ../../../userspace/units/gr/nvgpu-gr.h
 INPUT += ../../../userspace/units/gr/setup/nvgpu-gr-setup.h
 INPUT += ../../../userspace/units/gr/intr/nvgpu-gr-intr.h
 INPUT += ../../../userspace/units/gr/intr/nvgpu-gr-falcon.h
+INPUT += ../../../userspace/units/gr/intr/nvgpu-gr-fs-state.h
 INPUT += ../../../userspace/units/gr/config/nvgpu-gr-config.h

userspace/required_tests.json

@@ -1577,6 +1577,24 @@
         "unit": "nvgpu_gr_setup",
         "test_level": 0
     },
+    {
+        "test": "test_gr_init_setup_ready",
+        "case": "gr_fs_state_setup",
+        "unit": "nvgpu_gr_fs_state",
+        "test_level": 0
+    },
+    {
+        "test": "test_gr_fs_state_error_injection",
+        "case": "gr_fs_state_error_injection",
+        "unit": "nvgpu_gr_fs_state",
+        "test_level": 0
+    },
+    {
+        "test": "test_gr_init_setup_cleanup",
+        "case": "gr_fs_state_cleanup",
+        "unit": "nvgpu_gr_fs_state",
+        "test_level": 0
+    },
     {
         "test": "test_nvgpu_mem_create_from_phys",
         "case": "mem_create_from_phys",

userspace/units/gr/fs_state/Makefile

@@ -0,0 +1,33 @@
+# Copyright (c) 2019, 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"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+.SUFFIXES:
+
+OBJS   = nvgpu-gr-fs-state.o
+MODULE = nvgpu-gr-fs-state
+
+LIB_PATHS += -lnvgpu-gr
+include ../../Makefile.units
+
+lib$(MODULE).so: nvgpu-gr
+
+nvgpu-gr:
+	$(MAKE) -C ..
+

userspace/units/gr/fs_state/Makefile.interface.tmk

@@ -0,0 +1,35 @@
+################################### tell Emacs this is a -*- makefile-gmake -*-
+#
+# Copyright (c) 2019, 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"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# tmake for SW Mobile component makefile
+#
+###############################################################################
+
+NVGPU_UNIT_NAME=nvgpu-gr-fs-state
+
+include $(NV_COMPONENT_DIR)/../../Makefile.units.common.interface.tmk
+
+# Local Variables:
+# indent-tabs-mode: t
+# tab-width: 8
+# End:
+# vi: set tabstop=8 noexpandtab:

userspace/units/gr/fs_state/Makefile.tmk

@@ -0,0 +1,40 @@
+################################### tell Emacs this is a -*- makefile-gmake -*-
+#
+# Copyright (c) 2019, 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"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+# tmake for SW Mobile component makefile
+#
+###############################################################################
+
+NVGPU_UNIT_NAME = nvgpu-gr-fs-state
+NVGPU_UNIT_SRCS = nvgpu-gr-fs-state.c
+
+NVGPU_UNIT_INTERFACE_DIRS := \
+	$(NV_COMPONENT_DIR)/.. \
+	$(NV_SOURCE)/kernel/nvgpu/drivers/gpu/nvgpu
+
+include $(NV_COMPONENT_DIR)/../../Makefile.units.common.tmk
+
+# Local Variables:
+# indent-tabs-mode: t
+# tab-width: 8
+# End:
+# vi: set tabstop=8 noexpandtab:

userspace/units/gr/fs_state/nvgpu-gr-fs-state.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2019, 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <stdlib.h>
+
+#include <unit/unit.h>
+#include <unit/io.h>
+
+#include <nvgpu/posix/io.h>
+#include <nvgpu/gk20a.h>
+#include <nvgpu/gr/gr.h>
+#include <nvgpu/gr/config.h>
+#include <nvgpu/gr/fs_state.h>
+#include <nvgpu/gr/gr_utils.h>
+
+#include <nvgpu/posix/posix-fault-injection.h>
+
+#include "common/gr/gr_priv.h"
+
+#include "../nvgpu-gr.h"
+#include "nvgpu-gr-fs-state.h"
+
+int test_gr_fs_state_error_injection(struct unit_module *m,
+		struct gk20a *g, void *args)
+{
+	int err;
+	struct nvgpu_gr_config *config = nvgpu_gr_get_config_ptr(g);
+	struct nvgpu_posix_fault_inj *kmem_fi =
+		nvgpu_kmem_get_fault_injection();
+
+	/* Fail g->ops.gr.config.init_sm_id_table() */
+	nvgpu_posix_enable_fault_injection(kmem_fi, true, 1);
+	err = nvgpu_gr_fs_state_init(g, config);
+	if (err == 0) {
+		return UNIT_FAIL;
+	}
+
+	/* Fail gr_load_sm_id_config() */
+	nvgpu_posix_enable_fault_injection(kmem_fi, true, 13);
+	err = nvgpu_gr_fs_state_init(g, config);
+	if (err == 0) {
+		return UNIT_FAIL;
+	}
+
+	/* Passing case */
+	nvgpu_posix_enable_fault_injection(kmem_fi, false, 0);
+	err = nvgpu_gr_fs_state_init(g, config);
+	if (err != 0) {
+		return UNIT_FAIL;
+	}
+
+	return UNIT_SUCCESS;
+}
+
+struct unit_module_test nvgpu_gr_fs_state_tests[] = {
+	UNIT_TEST(gr_fs_state_setup, test_gr_init_setup_ready, NULL, 0),
+	UNIT_TEST(gr_fs_state_error_injection, test_gr_fs_state_error_injection, NULL, 0),
+	UNIT_TEST(gr_fs_state_cleanup, test_gr_init_setup_cleanup, NULL, 0),
+};
+
+UNIT_MODULE(nvgpu_gr_fs_state, nvgpu_gr_fs_state_tests, UNIT_PRIO_NVGPU_TEST);

userspace/units/gr/fs_state/nvgpu-gr-fs-state.h

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2019, 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef UNIT_NVGPU_GR_FS_STATE_H
+#define UNIT_NVGPU_GR_FS_STATE_H
+
+#include <nvgpu/types.h>
+
+struct gk20a;
+struct unit_module;
+
+/** @addtogroup SWUTS-gr-fs-state
+ *  @{
+ *
+ * Software Unit Test Specification for common.gr.fs_state
+ */
+
+/**
+ * Test specification for: test_gr_fs_state_error_injection.
+ *
+ * Description: Verify error handling in #nvgpu_gr_fs_state_init()
+ *
+ * Test Type: Feature based, Error guessing.
+ *
+ * Targets: #nvgpu_gr_fs_state_init.
+ *
+ * Input: gr_fs_state_setup must have been executed successfully.
+ *
+ * Steps:
+ * - Negative tests.
+ *   - Inject faults to trigger memory allocation failures in various
+ *     functions called from #nvgpu_gr_fs_state_init.
+ *   - Call #nvgpu_gr_fs_state_init and ensure that function returns
+ *     error.
+ *
+ * - Positive test.
+ *   - Disable all fault injections.
+ *   - Call #nvgpu_gr_fs_state_init and ensure that function returns
+ *     success.
+ *
+ * Output: Returns PASS if the steps above were executed successfully. FAIL
+ * otherwise.
+ */
+int test_gr_fs_state_error_injection(struct unit_module *m,
+		struct gk20a *g, void *args);
+
+#endif /* UNIT_NVGPU_GR_FS_STATE_H */
+
+/**
+ * @}
+ */
+