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66 lines
2.8 KiB
C
66 lines
2.8 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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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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#ifndef FERMI_DMA_H
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#define FERMI_DMA_H
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#ifdef NV_MMU_PTE
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#error "dev_mmu.h included before fermi_dma.h"
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#endif
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#ifdef NV_PLTCG
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#error "dev_ltc.h included before fermi_dma.h"
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#endif
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#include "gpu/mem_mgr/mem_desc.h"
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#include "mem_mgr/gpu_vaspace.h"
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#include "gpu/mem_mgr/virt_mem_allocator.h"
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// TODO -- replace those FERMI_* define usages in RM code
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#define FERMI_SMALL_PAGESIZE RM_PAGE_SIZE
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#define FERMI_BIG_PAGESIZE_64K RM_PAGE_SIZE_64K
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#define FERMI_BIG_PAGESIZE_128K RM_PAGE_SIZE_128K
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typedef struct DMAHALINFO_FERMI
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{
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NvU32 vasReverse;
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NvU32 compTagLineMultiplier; // Comptaglines increment by this value for VERIF only, see Bug 501651
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} DMAHALINFO_FERMI, *PDMAHALINFO_FERMI;
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#define DMA_GET_FERMI_INFOBLK(p) ((PDMAHALINFO_FERMI) getInfoPtr((p)->infoList, HAL_IMPL_GF100))
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//
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// From GF100 dev_mmu.ref:
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// Each PDE maps a 64MB region of virtual memory when using 64KB big pages, or 128MB
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// when using 128KB big pages. To map all 40b of virtual address space, the page
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// directory consists of 16K entries when using 64KB big pages (64MB * 16K = 2^26 * 2^14 = 2^40),
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// or 8K entries when using 128KB big pages (128MB * 8K = 2^27 * 2^13 = 2^40).
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//
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#define VASPACE_SIZE_MB_FERMI (1 << 20)
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#define VASPACE_SIZE_FERMI (((NvU64)VASPACE_SIZE_MB_FERMI) << 20)
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// Alignment Defines for page tables
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#define PDB_SHIFT_FERMI 12 // FERMITODO::DMA Will be there in dev_ram very soon
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#define PDB_ALIGNMENT_FERMI (1 << PDB_SHIFT_FERMI)
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#endif // FERMI_DMA_H
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