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62 lines
2.7 KiB
62 lines
2.7 KiB
3 years ago
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2015 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 _NVLINK_PCI_H_
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#define _NVLINK_PCI_H_
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#include <linux/pci.h>
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#include "nvlink_common.h"
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#define NV_PCI_RESOURCE_START(dev, bar) pci_resource_start(dev, (bar))
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#define NV_PCI_RESOURCE_SIZE(dev, bar) pci_resource_len(dev, (bar))
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#define NV_PCI_RESOURCE_FLAGS(dev, bar) pci_resource_flags(dev, (bar))
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#if defined(NVCPU_X86)
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#define NV_PCI_RESOURCE_VALID(dev, bar) \
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((NV_PCI_RESOURCE_START(dev, bar) != 0) && \
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(NV_PCI_RESOURCE_SIZE(dev, bar) != 0) && \
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(!((NV_PCI_RESOURCE_FLAGS(dev, bar) & PCI_BASE_ADDRESS_MEM_TYPE_64) && \
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((NV_PCI_RESOURCE_START(dev, bar) >> PAGE_SHIFT) > 0xfffffULL))))
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#else
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#define NV_PCI_RESOURCE_VALID(dev, bar) \
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((NV_PCI_RESOURCE_START(dev, bar) != 0) && \
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(NV_PCI_RESOURCE_SIZE(dev, bar) != 0))
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#endif
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#define NV_PCI_DOMAIN_NUMBER(dev) (NvU32)pci_domain_nr(dev->bus)
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#define NV_PCI_BUS_NUMBER(dev) (dev)->bus->number
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#define NV_PCI_DEVFN(dev) (dev)->devfn
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#define NV_PCI_SLOT_NUMBER(dev) PCI_SLOT(NV_PCI_DEVFN(dev))
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#define NV_PCI_DEV_FMT NVLINK_PCI_DEV_FMT
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#define NV_PCI_DEV_FMT_ARGS(dev) \
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NV_PCI_DOMAIN_NUMBER(dev), NV_PCI_BUS_NUMBER(dev), \
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NV_PCI_SLOT_NUMBER(dev), PCI_FUNC((dev)->devfn)
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#define NVRM_PCICFG_NUM_BARS 6
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#define NVRM_PCICFG_BAR_OFFSET(i) (0x10 + (i) * 4)
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#define NV_PCIE_CFG_MAX_OFFSET 0x1000
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#endif // _NVLINK_PCI_H_
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