gpu: nvgpu: unit: SWUTS for enabled

Add nvgpu-enabled.h header that contains the SWUTS for the unit.

Jira NVGPU-3943

Change-Id: I5a2dd6b8cc42e19246e7ed5bc2ba4192d21a3c32
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2185700
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
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>

userspace/units/enabled/nvgpu-enabled.h

@@ -0,0 +1,113 @@
+/*
+ * 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.
+ */
+
+struct gk20a;
+struct unit_module;
+
+/** @addtogroup SWUTS-enabled
+ *  @{
+ *
+ * Software Unit Test Specification for enabled
+ */
+
+/**
+ * Test specification for: test_nvgpu_init_enabled_flags
+ *
+ * Description: Initialize GPU enabled_flags
+ *
+ * Test Type: Feature based
+ *
+ * Input: None
+ *
+ * Steps:
+ * - GPU structure contains enabled_flags initialized at boot
+ *   - Store already created enabled_flags pointer in a global variable
+ * - Initialize enabled_flags for this unit test
+ *   - New created enabled_flags are set to false
+ *   - Check if return value indicates success
+ *
+ * Output: Returns SUCCESS if the steps above were executed successfully. FAIL
+ * otherwise.
+ */
+int test_nvgpu_init_enabled_flags(struct unit_module *m, struct gk20a *g,
+								void *args);
+
+/**
+ * Test specification for: test_nvgpu_enabled_flags_false_check
+ *
+ * Description: Check if enabled_flags are set to false.
+ *
+ * Test Type: Feature based
+ *
+ * Input: test_nvgpu_init_enabled_flags
+ *
+ * Steps:
+ * - Check flag value
+ *   - Iterate over each flag
+ *   - Check if flag value is false
+ *
+ * Output: Returns SUCCESS if the steps above were executed successfully. FAIL
+ * otherwise.
+ */
+int test_nvgpu_enabled_flags_false_check(struct unit_module *m,
+						struct gk20a *g, void *args);
+
+/**
+ * Test specification for: test_nvgpu_set_enabled
+ *
+ * Description: Set and reset enabled_flags
+ *
+ * Test Type: Feature based
+ *
+ * Input: test_nvgpu_init_enabled_flags
+ *
+ * Steps:
+ * - Set and reset each flag
+ *   - Iterate over a flag 'i' and set it to true
+ *   - Check if flag 'i' value is true
+ *   - Reset value of flag 'i' to false
+ *   - Check if flag 'i' value is false
+ *
+ * Output: Returns SUCCESS if the steps above were executed successfully. FAIL
+ * otherwise.
+ */
+int test_nvgpu_set_enabled(struct unit_module *m, struct gk20a *g, void *args);
+
+/**
+ * Test specification for: test_nvgpu_free_enabled_flags
+ *
+ * Description: Free enabled_flags
+ *
+ * Test Type: Other (cleanup)
+ *
+ * Input: test_nvgpu_init_enabled_flags
+ *
+ * Steps:
+ * - Free enabled_flag memory
+ *   - Free enabled_flags allocated for this unit test
+ *   - Restore originally created enabled_flags pointer
+ *
+ * Output: Returns SUCCESS if the steps above were executed successfully. FAIL
+ * otherwise.
+ */
+int test_nvgpu_free_enabled_flags(struct unit_module *m,
+						struct gk20a *g, void *args);