gpu: nvgpu: unit: add tests for gp10b pbdma HAL

Add unit tests for the following HALs:
- gp10b_pbdma_get_signature
- gp10b_pbdma_get_fc_runlist_timeslice
- gp10b_pbdma_get_config_auth_level_privileged

Jira NVGPU-3694

Change-Id: I672acc76490db358951b31c1231fb8542852dfee
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2253635
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

Makefile.umbrella.tmk

@@ -82,6 +82,7 @@ NV_REPOSITORY_COMPONENTS += userspace/units/fifo/engine/gv11b
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/pbdma
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/pbdma/gv11b
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/pbdma/gm20b
+NV_REPOSITORY_COMPONENTS += userspace/units/fifo/pbdma/gp10b
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/runlist
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/runlist/gk20a
 NV_REPOSITORY_COMPONENTS += userspace/units/fifo/runlist/gv11b

drivers/gpu/nvgpu/libnvgpu-drv_safe.export

@@ -66,6 +66,9 @@ gp10b_mm_get_iommu_bit
 gp10b_mm_get_mmu_levels
 gp10b_mm_init_bar2_vm
 gp10b_mm_remove_bar2_vm
+gp10b_pbdma_get_config_auth_level_privileged
+gp10b_pbdma_get_fc_runlist_timeslice
+gp10b_pbdma_get_signature
 gp10b_ramin_init_pdb
 gp10b_device_info_parse_data
 gp10b_engine_init_ce_info

userspace/Makefile.sources

@@ -89,6 +89,7 @@ UNITS :=				\
 	$(UNIT_SRC)/fifo/engine/gv11b	\
 	$(UNIT_SRC)/fifo/pbdma		\
 	$(UNIT_SRC)/fifo/pbdma/gm20b	\
+	$(UNIT_SRC)/fifo/pbdma/gp10b	\
 	$(UNIT_SRC)/fifo/pbdma/gv11b	\
 	$(UNIT_SRC)/fifo/runlist	\
 	$(UNIT_SRC)/fifo/runlist/gk20a	\

userspace/SWUTS.h

@@ -48,6 +48,7 @@
  *   - @ref SWUTS-fifo-engine-gv11b
  *   - @ref SWUTS-fifo-pbdma
  *   - @ref SWUTS-fifo-pbdma-gm20b
+ *   - @ref SWUTS-fifo-pbdma-gp10b
  *   - @ref SWUTS-fifo-pbdma-gv11b
  *   - @ref SWUTS-fifo-runlist
  *   - @ref SWUTS-fifo-runlist-gk20a

userspace/SWUTS.sources

@@ -18,6 +18,7 @@ INPUT += ../../../userspace/units/fifo/engine/gv100/nvgpu-engine-gv100.h
 INPUT += ../../../userspace/units/fifo/engine/gv11b/nvgpu-engine-gv11b.h
 INPUT += ../../../userspace/units/fifo/pbdma/nvgpu-pbdma.h
 INPUT += ../../../userspace/units/fifo/pbdma/gm20b/nvgpu-pbdma-gm20b.h
+INPUT += ../../../userspace/units/fifo/pbdma/gp10b/nvgpu-pbdma-gp10b.h
 INPUT += ../../../userspace/units/fifo/pbdma/gv11b/nvgpu-pbdma-gv11b.h
 INPUT += ../../../userspace/units/fifo/runlist/nvgpu-runlist.h
 INPUT += ../../../userspace/units/fifo/runlist/gk20a/nvgpu-runlist-gk20a.h

userspace/units/fifo/pbdma/gp10b/Makefile

@@ -0,0 +1,32 @@
+# 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-pbdma-gp10b.o
+MODULE = nvgpu-pbdma-gp10b
+
+LIB_PATHS += -lnvgpu-fifo
+include ../../../Makefile.units
+
+lib$(MODULE).so: fifo
+
+fifo:
+	$(MAKE) -C ../..

userspace/units/fifo/pbdma/gp10b/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-pbdma-gp10b
+
+include $(NV_SOURCE)/kernel/nvgpu/userspace/units/Makefile.units.common.interface.tmk
+
+# Local Variables:
+# indent-tabs-mode: t
+# tab-width: 8
+# End:
+# vi: set tabstop=8 noexpandtab:

userspace/units/fifo/pbdma/gp10b/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-pbdma-gp10b
+NVGPU_UNIT_SRCS = nvgpu-pbdma-gp10b.c
+
+NVGPU_UNIT_INTERFACE_DIRS := \
+	$(NV_SOURCE)/kernel/nvgpu/userspace/units/fifo \
+	$(NV_SOURCE)/kernel/nvgpu/drivers/gpu/nvgpu
+
+include $(NV_SOURCE)/kernel/nvgpu/userspace/units/Makefile.units.common.tmk
+
+# Local Variables:
+# indent-tabs-mode: t
+# tab-width: 8
+# End:
+# vi: set tabstop=8 noexpandtab:

userspace/units/fifo/pbdma/gp10b/nvgpu-pbdma-gp10b.c

@@ -0,0 +1,120 @@
+/*
+ * 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 <sys/types.h>
+#include <unistd.h>
+
+#include <unit/io.h>
+#include <unit/unit.h>
+
+#include <nvgpu/channel.h>
+#include <nvgpu/tsg.h>
+#include <nvgpu/gk20a.h>
+#include <nvgpu/engines.h>
+#include <nvgpu/runlist.h>
+#include <nvgpu/fuse.h>
+#include <nvgpu/dma.h>
+#include <nvgpu/io.h>
+
+#include "hal/fifo/pbdma_gp10b.h"
+
+#include <nvgpu/hw/gp10b/hw_pbdma_gp10b.h>
+#include <nvgpu/hw/gp10b/hw_ram_gp10b.h>
+
+#include "../../nvgpu-fifo.h"
+#include "../../nvgpu-fifo-gv11b.h"
+#include "nvgpu-pbdma-gp10b.h"
+
+#ifdef PBDMA_GP10B_UNIT_DEBUG
+#undef unit_verbose
+#define unit_verbose	unit_info
+#else
+#define unit_verbose(unit, msg, ...) \
+	do { \
+		if (0) { \
+			unit_info(unit, msg, ##__VA_ARGS__); \
+		} \
+	} while (0)
+#endif
+
+#define assert(cond)	unit_assert(cond, goto done)
+
+int test_gp10b_pbdma_get_signature(struct unit_module *m,
+		struct gk20a *g, void *args)
+{
+	int ret = UNIT_FAIL;
+	assert(gp10b_pbdma_get_signature(g) ==
+		(g->ops.get_litter_value(g, GPU_LIT_GPFIFO_CLASS) |
+			pbdma_signature_sw_zero_f()));
+
+	ret = UNIT_SUCCESS;
+done:
+	return ret;
+}
+
+#define RL_MAX_TIMESLICE_TIMEOUT ram_rl_entry_timeslice_timeout_v(U32_MAX)
+#define RL_MAX_TIMESLICE_SCALE ram_rl_entry_timeslice_scale_v(U32_MAX)
+
+int test_gp10b_pbdma_get_fc_runlist_timeslice(struct unit_module *m,
+		struct gk20a *g, void *args)
+{
+	int ret = UNIT_FAIL;
+	u32 timeslice = gp10b_pbdma_get_fc_runlist_timeslice();
+
+	u32 timeout = timeslice & 0xFF;
+	u32 timescale = (timeslice >> 12) & 0xF;
+	bool enabled = ((timeslice & pbdma_runlist_timeslice_enable_true_f()) != 0);
+
+	assert(timeout <= RL_MAX_TIMESLICE_TIMEOUT);
+	assert(timescale <= RL_MAX_TIMESLICE_SCALE);
+	assert(enabled);
+
+	ret = UNIT_SUCCESS;
+done:
+	return ret;
+}
+
+int test_gp10b_pbdma_get_config_auth_level_privileged(struct unit_module *m,
+		struct gk20a *g, void *args)
+{
+	int ret = UNIT_FAIL;
+
+	assert(gp10b_pbdma_get_config_auth_level_privileged() ==
+		pbdma_config_auth_level_privileged_f());
+
+	ret = UNIT_SUCCESS;
+done:
+	return ret;
+}
+
+struct unit_module_test nvgpu_pbdma_gp10b_tests[] = {
+	UNIT_TEST(init_support, test_fifo_init_support, NULL, 0),
+	UNIT_TEST(get_signature, test_gp10b_pbdma_get_signature, NULL, 0),
+	UNIT_TEST(get_fc_runlist_timeslice,
+			test_gp10b_pbdma_get_fc_runlist_timeslice, NULL, 0),
+	UNIT_TEST(get_config_auth_level_privileged,
+			test_gp10b_pbdma_get_config_auth_level_privileged, NULL, 0),
+	UNIT_TEST(remove_support, test_fifo_remove_support, NULL, 0),
+};
+
+UNIT_MODULE(nvgpu_pbdma_gp10b, nvgpu_pbdma_gp10b_tests, UNIT_PRIO_NVGPU_TEST);

userspace/units/fifo/pbdma/gp10b/nvgpu-pbdma-gp10b.h

@@ -0,0 +1,101 @@
+/*
+ * 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_PBDMA_GP10B_H
+#define UNIT_NVGPU_PBDMA_GP10B_H
+
+#include <nvgpu/types.h>
+
+struct unit_module;
+struct gk20a;
+
+/** @addtogroup SWUTS-fifo-pbdma-gp10b
+ *  @{
+ *
+ * Software Unit Test Specification for fifo/pbdma/gp10b
+ */
+
+/**
+ * Test specification for: test_gp10b_pbdma_get_signature
+ *
+ * Description: Get RAMFC setting for PBDMA signature
+ *
+ * Test Type: Feature based
+ *
+ * Targets: gp10b_pbdma_get_signature
+ *
+ * Input: test_fifo_init_support() run for this GPU
+ *
+ * Steps:
+ * - Check that PBDMA signature consists in the host class for current litter,
+ *   combined with a SW signature set to 0.
+ *
+ * Output: Returns PASS if all branches gave expected results. FAIL otherwise.
+ */
+int test_gp10b_pbdma_get_signature(struct unit_module *m,
+		struct gk20a *g, void *args);
+
+/**
+ * Test specification for: test_gp10b_pbdma_get_fc_runlist_timeslice
+ *
+ * Description: Get RAMFC setting for runlist timeslice
+ *
+ * Test Type: Feature based
+ *
+ * Targets: gp10b_pbdma_get_fc_runlist_timeslice
+ *
+ * Input: test_fifo_init_support() run for this GPU
+ *
+ * Steps:
+ * - Get runlist timeslice, and check that timeout and scale are within
+ *   the range used for runlists.
+ * - Also check that enable bit is set.
+ *
+ * Output: Returns PASS if all branches gave expected results. FAIL otherwise.
+ */
+int test_gp10b_pbdma_get_fc_runlist_timeslice(struct unit_module *m,
+		struct gk20a *g, void *args);
+
+/**
+ * Test specification for: test_gp10b_pbdma_get_config_auth_level_privileged
+ *
+ * Description: Get RAMFC setting for privileged channel
+ *
+ * Test Type: Feature based
+ *
+ * Targets: gp10b_pbdma_get_config_auth_level_privileged
+ *
+ * Input: test_fifo_init_support() run for this GPU
+ *
+ * Steps:
+ * - Check that gp10b_pbdma_get_config_auth_level_privileged returns a value
+ *   consistent with H/W manuals.
+ *
+ * Output: Returns PASS if all branches gave expected results. FAIL otherwise.
+ */
+int test_gp10b_pbdma_get_config_auth_level_privileged(struct unit_module *m,
+		struct gk20a *g, void *args);
+
+/**
+ * @}
+ */
+
+#endif /* UNIT_NVGPU_PBDMA_GP10B_H */