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libsst-os/Win32Private.h

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+/*
+	Win32Private.h
+	Author: Patrick Baggett <ptbaggett@762studios.com>
+	Created: 12/23/2011
+
+	Purpose: 
+
+	Private data structures for Win32 implementation of libsst-os. Not to be distributed
+	as part of public SDK headers.
+
+	License:
+
+	This program is free software. It comes without any warranty, to
+	the extent permitted by applicable law. You can redistribute it
+	and/or modify it under the terms of the Do What The Fuck You Want
+	To Public License, Version 2, as published by Sam Hocevar. See
+	http://sam.zoy.org/wtfpl/COPYING for more details.
+
+*/
+
+#pragma once
+
+#ifndef _WIN32PRIVATE_H
+#define _WIN32PRIVATE_H
+
+#define _WIN32_WINNT 0x0601 /* Windows 7 or later */
+#include <windows.h>
+#include <pstdint.h>
+
+#if defined(__GNUC__) /* Missing Windows 7 API on various GCC targets, remove when is fixed. */
+typedef ULONG_PTR  KAFFINITY;
+
+typedef enum _LOGICAL_PROCESSOR_RELATIONSHIP { 
+  RelationProcessorCore,
+  RelationNumaNode,
+  RelationCache,
+  RelationProcessorPackage,
+  RelationGroup,
+  RelationAll               = 0xffff
+} LOGICAL_PROCESSOR_RELATIONSHIP;
+
+typedef enum _PROCESSOR_CACHE_TYPE { 
+  CacheUnified,
+  CacheInstruction,
+  CacheData,
+  CacheTrace
+} PROCESSOR_CACHE_TYPE;
+
+typedef struct _CACHE_DESCRIPTOR {
+  BYTE                 Level;
+  BYTE                 Associativity;
+  WORD                 LineSize;
+  DWORD                Size;
+  PROCESSOR_CACHE_TYPE Type;
+} CACHE_DESCRIPTOR, *PCACHE_DESCRIPTOR;
+
+typedef struct _GROUP_AFFINITY {
+  KAFFINITY Mask;
+  WORD      Group;
+  WORD      Reserved[3];
+} GROUP_AFFINITY, *PGROUP_AFFINITY;
+
+typedef struct _PROCESSOR_NUMBER {
+  WORD Group;
+  BYTE Number;
+  BYTE Reserved;
+} PROCESSOR_NUMBER, *PPROCESSOR_NUMBER;
+
+typedef struct _PROCESSOR_GROUP_INFO {
+  BYTE      MaximumProcessorCount;
+  BYTE      ActiveProcessorCount;
+  BYTE      Reserved[38];
+  KAFFINITY ActiveProcessorMask;
+} PROCESSOR_GROUP_INFO, *PPROCESSOR_GROUP_INFO;
+
+typedef struct _PROCESSOR_RELATIONSHIP {
+  BYTE           Flags;
+  BYTE           Reserved[21];
+  WORD           GroupCount;
+  GROUP_AFFINITY GroupMask[ANYSIZE_ARRAY];
+} PROCESSOR_RELATIONSHIP, *PPROCESSOR_RELATIONSHIP;
+
+typedef struct _NUMA_NODE_RELATIONSHIP {
+  DWORD          NodeNumber;
+  BYTE           Reserved[20];
+  GROUP_AFFINITY GroupMask;
+} NUMA_NODE_RELATIONSHIP, *PNUMA_NODE_RELATIONSHIP;
+
+typedef struct _CACHE_RELATIONSHIP {
+  BYTE                 Level;
+  BYTE                 Associativity;
+  WORD                 LineSize;
+  DWORD                CacheSize;
+  PROCESSOR_CACHE_TYPE Type;
+  BYTE                 Reserved[20];
+  GROUP_AFFINITY       GroupMask;
+} CACHE_RELATIONSHIP, *PCACHE_RELATIONSHIP;
+
+typedef struct _GROUP_RELATIONSHIP {
+  WORD                 MaximumGroupCount;
+  WORD                 ActiveGroupCount;
+  BYTE                 Reserved[20];
+  PROCESSOR_GROUP_INFO GroupInfo[ANYSIZE_ARRAY];
+} GROUP_RELATIONSHIP, *PGROUP_RELATIONSHIP;
+
+typedef struct _SYSTEM_LOGICAL_PROCESSOR_INFORMATION {
+  ULONG_PTR                      ProcessorMask;
+  LOGICAL_PROCESSOR_RELATIONSHIP Relationship;
+  union {
+    struct {
+      BYTE Flags;
+    } ProcessorCore;
+    struct {
+      DWORD NodeNumber;
+    } NumaNode;
+    CACHE_DESCRIPTOR Cache;
+    ULONGLONG        Reserved[2];
+  };
+} SYSTEM_LOGICAL_PROCESSOR_INFORMATION, *PSYSTEM_LOGICAL_PROCESSOR_INFORMATION;
+
+typedef struct _SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX {
+  LOGICAL_PROCESSOR_RELATIONSHIP Relationship;
+  DWORD                          Size;
+  union {
+    PROCESSOR_RELATIONSHIP Processor;
+    NUMA_NODE_RELATIONSHIP NumaNode;
+    CACHE_RELATIONSHIP     Cache;
+    GROUP_RELATIONSHIP     Group;
+  };
+} SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX, *PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX;
+
+BOOL WINAPI GetLogicalProcessorInformationEx(
+	LOGICAL_PROCESSOR_RELATIONSHIP RelationshipType,
+	PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX Buffer,
+	PDWORD ReturnedLength);
+
+BOOL WINAPI GetLogicalProcessorInformation(PSYSTEM_LOGICAL_PROCESSOR_INFORMATION Buffer, PDWORD ReturnLength);
+
+
+BOOL WINAPI SetThreadIdealProcessorEx(HANDLE hThread, PPROCESSOR_NUMBER lpIdealProcessor, PPROCESSOR_NUMBER lpPreviousIdealProcessor);
+
+#endif
+
+/*************************************************************************/
+typedef struct SST_File_Win32
+{
+	HANDLE hFile; /* Handle from CreateFile() */
+	HANDLE hMap; /* Handle from CreateFileMapping() */
+	int isAsync; /* Is this file in async mode */
+	DWORD accessFlags; /* Flags for access used in CreateFileA() */
+
+#ifdef _DEBUG
+	int nrMmaps; /* Number of outstanding memory maps */
+#endif
+} SST_File_Win32;
+
+typedef struct SST_MemoryMap_Win32
+{
+	uint64_t offset;	/* Offset parameter as given to SST_OS_MmapCreate() */
+	size_t len;			/* Length parameter as given to SST_OS_MmapCreate() */
+	void* base;			/* Returned base address from SST_OS_MmapCreate() */
+
+#ifdef _DEBUG
+	SST_File_Win32* owner; /* File that created this memory map */
+#endif
+} SST_MemoryMap_Win32;
+
+#endif