43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-12-28 lizhirui first version
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*/
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#ifndef __PCI_H__
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#define __PCI_H__
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struct pci_header
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{
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rt_uint16_t VendorID;
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rt_uint16_t DeviceID;
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rt_uint16_t Command;
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rt_uint16_t Status;
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rt_uint32_t RevisionID : 8;
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rt_uint32_t ClassCode : 24;
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rt_uint8_t CachelineSize;
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rt_uint8_t LatencyTimer;
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rt_uint8_t HeaderType;
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rt_uint8_t BIST;
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rt_uint32_t BaseAddressRegister[6];
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rt_uint32_t CardbusCISPointer;
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rt_uint16_t SubsystemVendorID;
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rt_uint16_t SubsystemID;
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rt_uint32_t ExpansionROMBaseAddress;
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rt_uint32_t CapabilitiesPointer : 8;
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rt_uint32_t resv1 : 24;
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rt_uint32_t resv2;
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rt_uint8_t InterruptLine;
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rt_uint8_t InterruptPin;
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rt_uint8_t Min_Gnt;
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rt_uint8_t Max_Lat;
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};
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rt_uint64_t pci_get_device_map_addr(rt_uint64_t bus,rt_uint64_t device,rt_uint64_t function,rt_uint32_t index);
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#endif
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