mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
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58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*
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* Copyright (c) 2018-2021, 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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#include <nvgpu/sec2/allocator.h>
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#include <nvgpu/allocator.h>
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#include <nvgpu/sec2/msg.h>
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int nvgpu_sec2_dmem_allocator_init(struct gk20a *g,
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struct nvgpu_allocator *dmem,
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struct sec2_init_msg_sec2_init *sec2_init)
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{
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int err = 0;
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if (!nvgpu_alloc_initialized(dmem)) {
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/* Align start and end addresses */
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u32 start = NVGPU_ALIGN(sec2_init->nv_managed_area_offset,
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PMU_DMEM_ALLOC_ALIGNMENT);
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u32 end = (sec2_init->nv_managed_area_offset +
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sec2_init->nv_managed_area_size) &
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~(PMU_DMEM_ALLOC_ALIGNMENT - 1U);
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u32 size = end - start;
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err = nvgpu_allocator_init(g, dmem, NULL, "sec2_dmem", start,
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size, PMU_DMEM_ALLOC_ALIGNMENT, 0ULL, 0ULL,
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BITMAP_ALLOCATOR);
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if (err != 0) {
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nvgpu_err(g, "Couldn't init sec2_dmem allocator\n");
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}
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}
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return err;
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}
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void nvgpu_sec2_dmem_allocator_destroy(struct nvgpu_allocator *dmem)
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{
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if (nvgpu_alloc_initialized(dmem)) {
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nvgpu_alloc_destroy(dmem);
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}
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}
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