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4f682bf107
Different build flags are used for iGPU and dGPU in safety build. In order to support dGPU in unit tests, a separate library is needed for the driver. Added makefiles to build: - libnvgpu-drv-igpu.so - libnvgpu-drv-dpgu.so Updated scripts and units makefiles to use libnvgpu-drv-igu by default. Jira NVGPU-5217 Change-Id: Ibcc56088723cec5cb2d0ac42725102ae0c886014 Signed-off-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2333499 Reviewed-by: automaticguardword <automaticguardword@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit
116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/*
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* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <dlfcn.h>
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#include <stdlib.h>
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#include <unit/io.h>
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#include <unit/core.h>
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/*
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* Load driver library. This is done with dlopen() since this will make
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* resolving addresses into symbols easier in the future.
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*
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* Also, this makes people think carefully about what functions to call in
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* nvgpu-drv-igpu from the unit test FW. The interaction should really be limited
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* and doing explicit name lookups is a good way to prevent too much coupling.
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*/
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int core_load_nvgpu(struct unit_fw *fw)
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{
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const char *msg;
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int flag = RTLD_NOW;
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const char *load_path = args(fw)->driver_load_path;
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if (fw->args->is_qnx == 0) {
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/*
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* Specify a GLOBAL binding so that subsequently loaded
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* unit tests see the nvgpu-drv-igpu library. They will of course
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* need it (and will access it directly). I.e they will link
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* against nvgpu-drv-igpu and this should satisfy that linkage.
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*/
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flag |= RTLD_GLOBAL;
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}
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/* TODO: WAR: remove this dependency of libnvgpu-drv-igpu.so for qnx unit
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* test, refer NVGPU-1935 for more detail */
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fw->nvgpu_so = dlopen(load_path, flag);
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if (fw->nvgpu_so == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to load %s: %s\n", load_path, msg);
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return -1;
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}
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/*
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* We directly check the value of the returned symbol for these
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* functions against NULL because if it is NULL then something is
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* terribly wrong.
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*/
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fw->nvgpu.nvgpu_posix_probe = dlsym(fw->nvgpu_so,
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"nvgpu_posix_probe");
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if (fw->nvgpu.nvgpu_posix_probe == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to resolve nvgpu_posix_probe: %s\n", msg);
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return -1;
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}
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fw->nvgpu.nvgpu_posix_cleanup = dlsym(fw->nvgpu_so,
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"nvgpu_posix_cleanup");
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if (fw->nvgpu.nvgpu_posix_cleanup == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to resolve nvgpu_posix_cleanup: %s\n", msg);
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return -1;
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}
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fw->nvgpu.nvgpu_posix_init_fault_injection = dlsym(fw->nvgpu_so,
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"nvgpu_posix_init_fault_injection");
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if (fw->nvgpu.nvgpu_posix_init_fault_injection == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to resolve nvgpu_posix_init_fault_injection: %s\n",
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msg);
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return -1;
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}
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if (fw->args->is_qnx != 0) {
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fw->nvgpu_qnx_ut = dlopen("libnvgpu_ut_igpu.so", flag);
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if (fw->nvgpu_qnx_ut == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to load nvgpu_ut_igpu: %s\n", msg);
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return -1;
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}
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fw->nvgpu.nvgpu_posix_init_fault_injection_qnx =
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dlsym(fw->nvgpu_qnx_ut,
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"nvgpu_posix_init_fault_injection");
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if (fw->nvgpu.nvgpu_posix_init_fault_injection_qnx == NULL) {
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msg = dlerror();
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core_err(fw, "Failed to resolve nvgpu_posix_init_fault_injection: %s\n",
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msg);
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return -1;
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}
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} else {
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fw->nvgpu.nvgpu_posix_init_fault_injection_qnx = NULL;
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}
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return 0;
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}
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