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489236d181
Rename __nvgpu_set_enabled() to nvgpu_set_enabled(). The original double underscore was present to indicate that this function is a function with potentially unintended side effects (enabling a feature has wide ranging impact). To not lose this documentation a comment was added to convey that this function must be used with care. JIRA NVGPU-1029 Change-Id: I8bfc6fa4c17743f9f8056cb6a7a0f66229ca2583 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1989434 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
64 lines
1.9 KiB
C
64 lines
1.9 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 test_bit(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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set_bit(flag, g->enabled_flags);
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} else {
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clear_bit(flag, g->enabled_flags);
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}
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}
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