pciutils,用于生成pcilib,操作PIC接口

/* * The PCI Library -- List PCI devices on Win32 via Configuration Manager * * Copyright (c) 2021 Pali Rohár <pali@kernel.org> * * Can be freely distributed and used under the terms of the GNU GPL v2+. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include <windows.h> #include <cfgmgr32.h> #include <ctype.h> /* for isxdigit() */ #include <stdio.h> /* for sprintf() */ #include <string.h> /* for strlen(), strchr(), strncmp() */ #include <wchar.h> /* for wcslen(), wcscpy() */ #include "internal.h" /* Unfortunately MinGW32 toolchain does not provide these cfgmgr32 constants. */ #ifndef RegDisposition_OpenExisting #define RegDisposition_OpenExisting 0x00000001 #endif #ifndef CM_REGISTRY_SOFTWARE #define CM_REGISTRY_SOFTWARE 0x00000001 #endif #ifndef CM_DRP_HARDWAREID #define CM_DRP_HARDWAREID 0x00000002 #endif #ifndef CM_DRP_SERVICE #define CM_DRP_SERVICE 0x00000005 #endif #ifndef CM_DRP_BUSNUMBER #define CM_DRP_BUSNUMBER 0x00000016 #endif #ifndef CM_DRP_ADDRESS #define CM_DRP_ADDRESS 0x0000001D #endif #ifndef CR_INVALID_CONFLICT_LIST #define CR_INVALID_CONFLICT_LIST 0x00000039 #endif #ifndef CR_INVALID_INDEX #define CR_INVALID_INDEX 0x0000003A #endif #ifndef CR_INVALID_STRUCTURE_SIZE #define CR_INVALID_STRUCTURE_SIZE 0x0000003B #endif #ifndef fIOD_10_BIT_DECODE #define fIOD_10_BIT_DECODE 0x0004 #endif #ifndef fIOD_12_BIT_DECODE #define fIOD_12_BIT_DECODE 0x0008 #endif #ifndef fIOD_16_BIT_DECODE #define fIOD_16_BIT_DECODE 0x0010 #endif #ifndef fIOD_POSITIVE_DECODE #define fIOD_POSITIVE_DECODE 0x0020 #endif #ifndef fIOD_PASSIVE_DECODE #define fIOD_PASSIVE_DECODE 0x0040 #endif #ifndef fIOD_WINDOW_DECODE #define fIOD_WINDOW_DECODE 0x0080 #endif #ifndef fIOD_PORT_BAR #define fIOD_PORT_BAR 0x0100 #endif #ifndef fMD_WINDOW_DECODE #define fMD_WINDOW_DECODE 0x0040 #endif #ifndef fMD_MEMORY_BAR #define fMD_MEMORY_BAR 0x0080 #endif /* * Unfortunately MinGW32 toolchain does not provide import library for these * cfgmgr32.dll functions. So resolve pointers to these functions at runtime. */ #ifdef CM_Get_DevNode_Registry_PropertyA #undef CM_Get_DevNode_Registry_PropertyA #endif static CONFIGRET (WINAPI *MyCM_Get_DevNode_Registry_PropertyA)(DEVINST dnDevInst, ULONG ulProperty, PULONG pulRegDataType, PVOID Buffer, PULONG pulLength, ULONG ulFlags); #define CM_Get_DevNode_Registry_PropertyA MyCM_Get_DevNode_Registry_PropertyA #ifdef CM_Get_DevNode_Registry_PropertyW #undef CM_Get_DevNode_Registry_PropertyW #endif static CONFIGRET (WINAPI *MyCM_Get_DevNode_Registry_PropertyW)(DEVINST dnDevInst, ULONG ulProperty, PULONG pulRegDataType, PVOID Buffer, PULONG pulLength, ULONG ulFlags); #define CM_Get_DevNode_Registry_PropertyW MyCM_Get_DevNode_Registry_PropertyW #ifndef CM_Open_DevNode_Key #undef CM_Open_DevNode_Key #endif static CONFIGRET (WINAPI *MyCM_Open_DevNode_Key)(DEVINST dnDevNode, REGSAM samDesired, ULONG ulHardwareProfile, REGDISPOSITION Disposition, PHKEY phkDevice, ULONG ulFlags); #define CM_Open_DevNode_Key MyCM_Open_DevNode_Key static BOOL resolve_cfgmgr32_functions(void) { HMODULE cfgmgr32; if (CM_Get_DevNode_Registry_PropertyA && CM_Get_DevNode_Registry_PropertyW && CM_Open_DevNode_Key) return TRUE; cfgmgr32 = GetModuleHandleA("cfgmgr32.dll"); if (!cfgmgr32) return FALSE; CM_Get_DevNode_Registry_PropertyA = (void *)GetProcAddress(cfgmgr32, "CM_Get_DevNode_Registry_PropertyA"); CM_Get_DevNode_Registry_PropertyW = (void *)GetProcAddress(cfgmgr32, "CM_Get_DevNode_Registry_PropertyW"); CM_Open_DevNode_Key = (void *)GetProcAddress(cfgmgr32, "CM_Open_DevNode_Key"); if (!CM_Get_DevNode_Registry_PropertyA || !CM_Get_DevNode_Registry_PropertyW || !CM_Open_DevNode_Key) return FALSE; return TRUE; } /* * cfgmgr32.dll uses custom non-Win32 error numbers which are unsupported by * Win32 APIs like GetLastError() and FormatMessage() functions. * * Windows 7 introduced new cfgmgr32.dll function CM_MapCrToWin32Err() for * translating mapping CR_* errors to Win32 errors but most error codes are * not mapped. So this function is unusable. * * Error strings for CR_* errors are defined in cmapi.rc file which is * statically linked into some system libraries (e.g. filemgmt.dll, * acledit.dll, netui0.dll or netui2.dll) but due to static linking it is * not possible to access these error strings easily at runtime. * * So define own function for translating CR_* errors directly to strings. */ static const char * cr_strerror(CONFIGRET cr_error_id) { static char unknown_error[sizeof("Unknown CR error XXXXXXXXXX")]; static const char *cr_errors[] = { "The operation completed successfully", "CR_DEFAULT", "Not enough memory is available to process this command", "A required pointer parameter is invalid", "The ulFlags parameter specified is invalid for this operation", "The device instance handle parameter is not valid", "The supplied resource descriptor parameter is invalid", "The supplied logical configuration parameter is invalid", "CR_INVALID_ARBITRATOR", "CR_INVALID_NODELIST", "CR_DEVNODE_HAS_REQS/CR_DEVINST_HAS_REQS", "The RESOURCEID parameter does not contain a valid RESOURCEID", "CR_DLVXD_NOT_FOUND", "The specified device instance handle does not correspond to a present device", "There are no more logical configurations available", "There are no more resource descriptions available", "This device instance already exists", "The supplied range list parameter is invalid", "CR_INVALID_RANGE", "A general internal error occurred", "CR_NO_SUCH_LOGICAL_DEV", "The device is disabled for this configuration", "CR_NOT_SYSTEM_VM", "A service or application refused to allow removal of this device", "CR_APM_VETOED", "CR_INVALID_LOAD_TYPE", "An output parameter was too small to hold all the data available", "CR_NO_ARBITRATOR", "CR_NO_REGISTRY_HANDLE", "A required entry in the registry is missing or an attempt to write to the registry failed", "The specified Device ID is not a valid Device ID", "One or more parameters were invalid", "CR_INVALID_API", "CR_DEVLOADER_NOT_READY", "CR_NEED_RESTART", "There are no more hardware profiles available", "CR_DEVICE_NOT_THERE", "The specified value does not exist in the registry", "CR_WRONG_TYPE", "The specified priority is invalid for this operation", "This device cannot be disabled", "CR_FREE_RESOURCES", "CR_QUERY_VETOED", "CR_CANT_SHARE_IRQ", "CR_NO_DEPENDENT", "CR_SAME_RESOURCES", "The specified key does not exist in the registry", "The specified machine name does not meet the UNC naming conventions", "A general remote communication error occurred", "The machine selected for remote communication is not available at this time", "The Plug and Play service or another required service is not available", "Access denied", "This routine is not implemented in this version of the operating system", "The specified property type is invalid for this operation", "Device interface is active", "No such device interface", "Invalid reference string", "Invalid conflict list", "Invalid index", "Invalid structure size" }; if (cr_error_id <= 0 || cr_error_id >= sizeof(cr_errors)/sizeof(*cr_errors)) { sprintf(unknown_error, "Unknown CR error %lu", cr_error_id); return unknown_error; } return cr_errors[cr_error_id]; } static const char * win32_strerror(DWORD win32_error_id) { /* * Use static buffer which is large enough. * Hopefully no Win32 API error message string is longer than 4 kB. */ static char buffer[4096]; DWORD len; len = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, win32_error_id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buffer, sizeof(buffer), NULL); /* FormatMessage() automatically appends ".\r\n" to the error message. */ if (len && buffer[len-1] == '\n')