Files
linux-nvgpu/drivers/gpu/nvgpu/common/acr/acr_blob_alloc.c
2022-02-15 09:37:14 -08:00

64 lines
2.0 KiB
C

/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <nvgpu/types.h>
#include <nvgpu/dma.h>
#include <nvgpu/gk20a.h>
#include "acr_wpr.h"
#include "acr_priv.h"
#include "acr_blob_alloc.h"
int nvgpu_acr_alloc_blob_space_sys(struct gk20a *g, size_t size,
struct nvgpu_mem *mem)
{
return nvgpu_dma_alloc_flags_sys(g, NVGPU_DMA_PHYSICALLY_ADDRESSED,
size, mem);
}
#ifdef CONFIG_NVGPU_DGPU
int nvgpu_acr_alloc_blob_space_vid(struct gk20a *g, size_t size,
struct nvgpu_mem *mem)
{
struct wpr_carveout_info wpr_inf;
int err;
if (mem->size != 0ULL) {
return 0;
}
g->acr->get_wpr_info(g, &wpr_inf);
/*
* Even though this mem_desc wouldn't be used, the wpr region needs to
* be reserved in the allocator.
*/
err = nvgpu_dma_alloc_vid_at(g, wpr_inf.size,
&g->acr->wpr_dummy, wpr_inf.wpr_base);
if (err != 0) {
return err;
}
return nvgpu_dma_alloc_vid_at(g, wpr_inf.size, mem,
wpr_inf.nonwpr_base);
}
#endif