linux-nvgpu/userspace/units/gr/nvgpu-gr.h

/*
 * 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_H
#define UNIT_NVGPU_GR_H

#include <nvgpu/types.h>

struct gk20a;
struct unit_module;

/** @addtogroup SWUTS-gr
 *  @{
 *
 * Software Unit Test Specification for common.gr
 */

/**
 * Test specification for: test_gr_init_setup.
 *
 * Description: Setup common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_alloc
 *
 * Input: None.
 *
 * Steps:
 * -  Initialize the test environment for common.gr unit testing:
 * -  Setup gv11b register spaces for hals to read emulated values.
 * -  Register read/write IO callbacks.
 * -  Setup init parameters to setup gv11b arch.
 * -  Initialize hal to setup the hal functions.
 * -  Call nvgpu_gr_alloc to allocate common.gr unit struct.
 *
 * Output: Returns PASS if the steps above were executed successfully. FAIL
 *         otherwise.
 */
int test_gr_init_setup(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_remove_setup.
 *
 * Description: Remove common.gr unit setup.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_free
 *
 * Input: test_gr_init_setup must have been executed successfully.
 *
 * Steps:
 * -  Delete and remove the gv11b register spaces.
 * -  Delete the memory for common.gr unit.
 *
 * Output: Returns PASS.
 */
int test_gr_remove_setup(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_init_prepare.
 *
 * Description: Prepare common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_enable_hw,
 *          gops_gr_intr.enable_hww_exceptions,
 *          gv11b_gr_intr_enable_hww_exceptions,
 *          gops_gr_intr.enable_interrupts,
 *          gm20b_gr_intr_enable_interrupts,
 *          gops_gr_intr.enable_gpc_exceptions,
 *          gv11b_gr_intr_enable_gpc_exceptions,
 *          gops_gr_intr.enable_exceptions,
 *          gv11b_gr_intr_enable_exceptions
 *
 * Input: test_gr_init_setup must have been executed successfully.
 *
 * Steps:
 * -  Call nvgpu_gr_enable_hw which helps to initialize the s/w and
 *    enable h/w for GR engine.
 *
 * Output: Returns PASS.
 */
int test_gr_init_prepare(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_init_support.
 *
 * Description: Initialize common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: gops_gr.gr_init_support, nvgpu_gr_init_support,
 *          nvgpu_gr_init,
 *          gops_gr_init.detect_sm_arch, gv11b_gr_init_detect_sm_arch,
 *          gv11b_gr_init_get_global_attr_cb_size,
 *          gv11b_gr_init_preemption_state,
 *          gv11b_gr_init_get_min_gpm_fifo_depth,
 *          gv11b_gr_init_get_attrib_cb_default_size,
 *          gv11b_gr_init_sm_id_numbering,
 *          gv11b_gr_init_get_bundle_cb_token_limit,
 *          gv11b_gr_init_get_bundle_cb_default_size,
 *          gv11b_gr_init_get_alpha_cb_default_size,
 *          gv11b_gr_init_tpc_mask,
 *          gops_gr_init.get_no_of_sm,
 *          nvgpu_gr_get_no_of_sm,
 *          gm20b_gr_init_pd_tpc_per_gpc,
 *          gm20b_gr_init_cwd_gpcs_tpcs_num,
 *          gm20b_gr_init_get_global_ctx_cb_buffer_size,
 *          gm20b_gr_init_get_global_ctx_pagepool_buffer_size,
 *          gp10b_gr_init_pagepool_default_size,
 *          gv11b_gr_falcon_fecs_host_int_enable,
 *          nvgpu_gr_falcon_get_golden_image_size,
 *          gm20b_gr_falcon_start_fecs
 *
 * Input: test_gr_init_setup and test_gr_init_prepare
 *        must have been executed successfully.
 *
 * Steps:
 * -  Call nvgpu_gr_init.
 * -  Call g->ops.gr.ecc.ecc_init_support.
 * -  Call g->ops.ltc.init_ltc_support & g->ops.mm.init_mm_support.
 * -  Override g->ops.gr.falcon.load_ctxsw_ucode function.
 * -  Call g->ops.chip_init_gpu_characteristics.
 * -  Call nvgpu_gr_init_support.
 * -  Call g->ops.gr.ecc.ecc_finalize_support.
 *
 * Output: Returns PASS if the steps above were executed successfully. FAIL
 *         otherwise.
 */
int test_gr_init_support(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_suspend.
 *
 * Description: Suspend common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: gops_gr.gr_suspend, nvgpu_gr_suspend
 *
 * Input: #test_gr_init_setup, #test_gr_init_prepare and #test_gr_init_support
 *        must have been executed successfully.
 *
 * Steps:
 * -  Call nvgpu_gr_suspend.
 *
 * Output: Returns PASS.
 */
int test_gr_suspend(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_remove_support.
 *
 * Description: Remove common.gr unit support.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_remove_support,
 *          gops_ecc.ecc_remove_support,
 *          nvgpu_ecc_remove_support,
 *          nvgpu_gr_ecc_free
 *
 * Input: #test_gr_init_setup, #test_gr_init_prepare and #test_gr_init_support
 *        must have been executed successfully.
 *
 * Steps:
 * -  Call g->ops.ecc.ecc_remove_support.
 * -  Call nvgpu_gr_remove_support.
 *
 * Output: Returns PASS.
 */
int test_gr_remove_support(struct unit_module *m, struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_init_ecc_features.
 *
 * Description: Set the ECC feature based on fuse and fecs override registers.
 *
 * Test Type: Feature, Error Injection
 *
 * Targets: gops_gr_ecc.gpc_tpc_ecc_init, gv11b_gr_gpc_tpc_ecc_init,
 *          gops_gr_ecc.fecs_ecc_init, gv11b_gr_fecs_ecc_init,
 *	    gops_gr_ecc.detect, gv11b_ecc_detect_enabled_units,
 *          nvgpu_ecc_counter_init_per_tpc,
 *          nvgpu_ecc_counter_init_per_gpc
 *
 * Input: #test_gr_init_setup, #test_gr_init_prepare and #test_gr_init_support
 *        must have been executed successfully.
 *
 * Steps:
 * -  Array with various combinations setting register bits for
 *    FUSES_OVERRIDE_DISABLE, OPT_ECC_ENABLE, fecs register for ecc
 *    and ecc1 overrides.
 * -  Call g->ops.gr.ecc.detect.
 * -  Error injection for allocation and other conditional checking
 *    in g->ops.gr.ecc.init call.
 *
 * Output: Returns PASS.
 */
int test_gr_init_ecc_features(struct unit_module *m,
			      struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_init_setup_ready.
 *
 * Description: Setup for common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_enable_hw,
 *          nvgpu_gr_init_support, nvgpu_gr_sw_ready,
 *          gm20b_gr_init_lg_coalesce,
 *          gm20b_gr_init_su_coalesce,
 *          gm20b_gr_init_pes_vsc_stream,
 *          gops_gr_init.fifo_access, gm20b_gr_init_fifo_access,
 *          gv11b_gr_init_gpc_mmu
 *
 * Input: None
 *
 * Steps:
 * -  Call #test_gr_init_setup.
 *    -  Setup gv11b arch and allocate struct for common.gr.
 * -  Call #test_gr_init_prepare.
 *    -  To initialize the s/w and enable h/w for GR engine.
 * -  Call #test_gr_init_support.
 *
 * Output: Returns PASS if the steps above were executed successfully. FAIL
 * otherwise.
 */
int test_gr_init_setup_ready(struct unit_module *m,
			     struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_init_error_injections.
 *
 * Description: Negative test for common.gr init unit.
 *
 * Test Type: Feature, Error Injection
 *
 * Targets: gops_gr.gr_init_support, nvgpu_gr_init_support,
 *          gr_remove_support
 *
 * Input: #test_gr_setup_ready must have been executed successfully.
 *
 * Steps:
 * -  Add various condition to cause failure in #nvgpu_gr_init_support.
 *    This includes failing of #nvgpu_gr_falcon_init_ctxsw,
 *    #nvgpu_gr_init_ctx_state,
 *    gr_init_setup_sw and gr_init_setup_hw functions.
 *
 * Output: Returns PASS if the steps above were executed successfully. FAIL
 * otherwise.
 */
int test_gr_init_error_injections(struct unit_module *m,
				  struct gk20a *g, void *args);

/**
 * Test specification for: test_gr_setup_cleanup.
 *
 * Description: Cleanup common.gr unit.
 *
 * Test Type: Feature
 *
 * Targets: nvgpu_gr_free, nvgpu_gr_remove_support
 *
 * Input: #test_gr_setup_ready must have been executed successfully.
 *
 * Steps:
 * -  Call #test_gr_remove_support.
 * -  Call #test_gr_remove_setup.
 *
 * Output: Returns PASS if the steps above were executed successfully. FAIL
 * otherwise.
 */
int test_gr_init_setup_cleanup(struct unit_module *m,
			       struct gk20a *g, void *args);
#endif /* UNIT_NVGPU_GR_H */

/**
 * @}
 */