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a6cbfca58c
Fix the following MISRA rule violations in bitops unit, MISRA Rule 10.1 MISRA Rule 10.3 MISRA Rule 10.4 MISRA Rule 11.8 MISRA Rule 21.2 Introduce nvgpu specific functions for bitops and bitmap operations with unsigned integer as parameter for offset. OS specific type conversions and handling of these inerfaces are taken care in the respective OS files. Jira NVGPU-3545 Change-Id: Ib1ef76563db6ba1d879a0b4d365b2958ea03f85c Signed-off-by: ajesh <akv@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2129513 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*
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* Copyright (c) 2017-2019, 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 <nvgpu/enabled.h>
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#include <nvgpu/bitops.h>
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#include <nvgpu/gk20a.h>
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int nvgpu_init_enabled_flags(struct gk20a *g)
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{
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/*
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* Zero all flags initially. Flags that should be set to non-zero states
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* can be done so during driver init.
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*/
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g->enabled_flags = nvgpu_kzalloc(g,
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BITS_TO_LONGS(NVGPU_MAX_ENABLED_BITS) *
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sizeof(unsigned long));
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if (g->enabled_flags == NULL) {
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return -ENOMEM;
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}
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return 0;
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}
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/*
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* Call this on driver shutdown!
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*/
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void nvgpu_free_enabled_flags(struct gk20a *g)
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{
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nvgpu_kfree(g, g->enabled_flags);
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}
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bool nvgpu_is_enabled(struct gk20a *g, int flag)
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{
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return nvgpu_test_bit((u32)flag, g->enabled_flags);
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}
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void nvgpu_set_enabled(struct gk20a *g, int flag, bool state)
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{
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if (state) {
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nvgpu_set_bit((u32)flag, g->enabled_flags);
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} else {
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nvgpu_clear_bit((u32)flag, g->enabled_flags);
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}
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}
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