mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 17:36:20 +03:00
64 lines
2.0 KiB
C
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
|