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ad74b20cca
- We are using exit() API to exit the process when gpu goes to quiesce state, but MISRA not allowing to use exit() API. JIRA NVGPU-7056 Signed-off-by: srajum <srajum@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2588005 (cherry picked from commit 219c172da5b6ae330121009765f7eb090b87e054) Change-Id: Id5b927693cc684931bd4aa56e66543b673d0c493 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2674411 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/*
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* Copyright (c) 2017-2021, 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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#ifndef NVGPU_BUG_H
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#define NVGPU_BUG_H
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#ifdef __KERNEL__
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#include <linux/bug.h>
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#else
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#include <nvgpu/posix/bug.h>
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#endif
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#include <nvgpu/cov_whitelist.h>
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#include <nvgpu/list.h>
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/**
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* @brief Assert macro based on condition check that code within nvgpu can use.
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*
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* The goal of this macro is to support handling an unexpected state in SW
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* based on the \a cond parameter passed. The implementation is OS specific.
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* In QNX and POSIX implementation, this macro will invoke the #BUG_ON() macro
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* with parameter as #true or #false which is based on the evaluation of
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* \a cond. MAcro does not perform any validation of the parameter.
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*
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* @param cond [in] The condition to check.
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*/
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#if defined(__KERNEL__)
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#define nvgpu_assert(cond) ((void) WARN_ON(!(cond)))
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#else
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/*
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* When this assert fails, the function will not return.
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*/
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#define nvgpu_assert(cond) \
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({ \
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NVGPU_COV_WHITELIST_BLOCK_BEGIN(false_positive, 1, NVGPU_MISRA(Rule, 14_4), "Bug 2277532") \
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NVGPU_COV_WHITELIST_BLOCK_BEGIN(false_positive, 1, NVGPU_MISRA(Rule, 15_6), "Bug 2277532") \
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BUG_ON((cond) == ((bool)(0 != 0))); \
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NVGPU_COV_WHITELIST_BLOCK_END(NVGPU_MISRA(Rule, 14_4)) \
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NVGPU_COV_WHITELIST_BLOCK_END(NVGPU_MISRA(Rule, 15_6)) \
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})
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#endif
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/**
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* @brief Macro to force a failed assert.
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*
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* The goal of this macro is to force the consequences of a failed assert.
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* Invokes the macro #nvgpu_assert with parameter as #true.
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*/
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#define nvgpu_do_assert() \
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NVGPU_COV_WHITELIST(false_positive, NVGPU_MISRA(Rule, 10_3), "Bug 2623654") \
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nvgpu_assert((bool)(0 != 0))
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/*
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* Define compile-time assert check.
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*/
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#define ASSERT_CONCAT(a, b) a##b
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#define ASSERT_ADD_INFO(a, b) ASSERT_CONCAT(a, b)
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#define nvgpu_static_assert(e) \
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enum { \
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ASSERT_ADD_INFO(assert_line_, __LINE__) = 1 / (!!(e)) \
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}
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struct gk20a;
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/**
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* @brief Macro to force a failed assert with error prints.
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*
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* The goal of this macro is to print an error message and force the
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* consequences of a failed assert. Invokes the macro #nvgpu_err with
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* parameters \a g, \a fmt and \a arg to print an error info and then invokes
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* #nvgpu_do_assert to force a failed assert.
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*/
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#define nvgpu_do_assert_print(g, fmt, arg...) \
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do { \
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nvgpu_err(g, fmt, ##arg); \
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nvgpu_do_assert(); \
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} while (false)
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struct nvgpu_bug_cb
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{
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void (*cb)(void *arg);
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void *arg;
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struct nvgpu_list_node node;
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bool sw_quiesce_data;
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};
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static inline struct nvgpu_bug_cb *
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nvgpu_bug_cb_from_node(struct nvgpu_list_node *node)
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{
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return (struct nvgpu_bug_cb *)
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((uintptr_t)node - offsetof(struct nvgpu_bug_cb, node));
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};
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#ifdef __KERNEL__
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static inline void nvgpu_bug_exit(void) { }
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static inline void nvgpu_bug_register_cb(struct nvgpu_bug_cb *cb) { }
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static inline void nvgpu_bug_unregister_cb(struct nvgpu_bug_cb *cb) { }
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#endif
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#endif /* NVGPU_BUG_H */
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