| [5289] | 1 | /* $Id: k32QuerySystemMemInfo.cpp,v 1.2 2001-03-07 21:55:30 bird Exp $
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| [5108] | 2 | *
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| 3 | * k32QuerySystemMemInfo - Collects more or less useful information on the
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| 4 | * memory state of the system.
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| 5 | *
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| 6 | * Copyright (c) 2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 7 | *
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| 8 | * Project Odin Software License can be found in LICENSE.TXT
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| 9 | *
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| 10 | */
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| 11 |
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| 12 |
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| 13 | /*******************************************************************************
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| 14 | * Defined Constants And Macros *
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| 15 | *******************************************************************************/
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| 16 | #define FOR_EXEHDR 1 /* To make all object flags OBJ???. */
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| 17 | #define INCL_DOSMEMMGR
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| 18 | #define INCL_DOSERRORS
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| 19 |
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| 20 | #define INCL_OS2KRNL_PG
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| 21 | #define INCL_OS2KRNL_SM
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| 22 | #define INCL_OS2KRNL_VM
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| 23 | #define INCL_OS2KRNL_TK
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| 24 | #define INCL_OS2KRNL_SEM
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| 25 | #define INCL_OS2KRNL_LDR
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| 26 |
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| 27 | #define NO_WIN32K_LIB_FUNCTIONS
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| 28 |
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| 29 | /*******************************************************************************
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| 30 | * Header Files *
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| 31 | *******************************************************************************/
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| 32 | #include <os2.h> /* OS/2 header file. */
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| 33 | #include <peexe.h> /* Wine PE structs and definitions. */
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| 34 | #include <neexe.h> /* Wine NE structs and definitions. */
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| 35 | #include <newexe.h> /* OS/2 NE structs and definitions. */
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| 36 | #include <exe386.h> /* OS/2 LX structs and definitions. */
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| 37 |
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| 38 | #include "devSegDf.h" /* Win32k segment definitions. */
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| 39 |
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| 40 | #include "malloc.h" /* win32k malloc (resident). Not C library! */
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| 41 | #include "smalloc.h" /* win32k swappable heap. */
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| 42 | #include "rmalloc.h" /* win32k resident heap. */
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| 43 |
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| 44 | #include <string.h> /* C library string.h. */
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| 45 | #include <stdlib.h> /* C library stdlib.h. */
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| 46 | #include <stddef.h> /* C library stddef.h. */
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| 47 | #include <stdarg.h> /* C library stdarg.h. */
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| 48 |
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| 49 | #include "vprintf.h" /* win32k printf and vprintf. Not C library! */
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| 50 | #include "dev1632.h" /* Common 16- and 32-bit parts */
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| 51 | #include "dev32.h" /* 32-Bit part of the device driver. (SSToDS) */
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| 52 | #include "OS2Krnl.h" /* kernel structs. (SFN) */
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| 53 | #include "log.h" /* Logging. */
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| 54 | #include "options.h" /* Win32k options. */
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| 55 |
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| 56 | #include "ProbKrnl.h" /* ProbKrnl variables and definitions. */
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| 57 | #include "win32k.h" /* Win32k API structures. */
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| 58 | #include "k32.h" /* Internal Win32k API structures. */
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| 59 |
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| 60 |
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| 61 | /**
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| 62 | * Collects more or less useful information on the memory state of the system.
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| 63 | * @returns OS2 returncode.
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| 64 | * @param pMemInfo Pointer to options structure. (NULL is allowed)
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| 65 | * @status completely implelemented.
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| 66 | * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 67 | * @remark One of the pointer may be NULL.
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| 68 | */
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| 69 | APIRET k32QuerySystemMemInfo(PK32SYSTEMMEMINFO pMemInfo)
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| 70 | {
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| 71 | APIRET rc;
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| 72 | K32SYSTEMMEMINFO MemInfo;
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| 73 |
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| 74 | /*
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| 75 | * Validate parameters.
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| 76 | * Ensure that the buffer pointer is sensible.
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| 77 | * Ensure that the structure sizes are correct.
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| 78 | */
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| 79 | if ((ULONG)pMemInfo < 0x10000)
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| 80 | rc = ERROR_INVALID_PARAMETER;
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| 81 |
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| 82 | rc = TKFuBuff(SSToDS(&MemInfo.cb), &pMemInfo->cb, sizeof(ULONG)*2, TK_FUSU_NONFATAL);
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| 83 | if (rc)
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| 84 | return rc;
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| 85 | if (MemInfo.cb != sizeof(K32SYSTEMMEMINFO))
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| 86 | return ERROR_INVALID_PARAMETER;
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| 87 | if (MemInfo.flFlags > 7)
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| 88 | return ERROR_INVALID_PARAMETER;
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| 89 |
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| 90 |
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| 91 | /*
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| 92 | * Find parameters.
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| 93 | */
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| 94 | ULONG flFlags = !MemInfo.flFlags
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| 95 | ? (K32_SYSMEMINFO_SWAPFILE | K32_SYSMEMINFO_PAGING | K32_SYSMEMINFO_VM)
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| 96 | : MemInfo.flFlags;
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| 97 |
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| 98 | /*
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| 99 | * Swap file stuff.
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| 100 | */
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| 101 | if (flFlags & K32_SYSMEMINFO_SWAPFILE)
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| 102 | {
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| 103 | MemInfo.fSwapFile = SMswapping;
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| 104 | MemInfo.cbSwapFileSize = smFileSize << PAGESHIFT;
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| 105 | MemInfo.cbSwapFileAvail = SMcDFAvail << PAGESHIFT;
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| 106 | MemInfo.cbSwapFileUsed = SMcDFInuse << PAGESHIFT;
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| 107 | MemInfo.cbSwapFileMinFree = SMMinFree << PAGESHIFT;
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| 108 | MemInfo.cbSwapFileCFGMinFree = (SMCFGMinFree << PAGESHIFT) / 4;
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| 109 | MemInfo.cbSwapFileCFGSwapSize = (SMCFGSwapSize << PAGESHIFT) / 4;
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| 110 | MemInfo.cSwapFileBrokenDF = smcBrokenDF;
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| 111 | MemInfo.cSwapFileGrowFails = smcGrowFails;
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| 112 | MemInfo.cSwapFileInMemFile = SMcInMemFile;
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| 113 | }
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| 114 |
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| 115 |
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| 116 | /*
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| 117 | * Physical and Paging stuff.
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| 118 | */
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| 119 | if (flFlags & K32_SYSMEMINFO_PAGING)
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| 120 | {
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| 121 | MemInfo.cbPhysSize = pgPhysPages << PAGESHIFT;
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| 122 | if (SMswapping) /* the 16-bit MemInfo uses this scheme. */
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| 123 | MemInfo.cbPhysAvail = PGPhysAvail();
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| 124 | else
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| 125 | {
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| 126 | int cPages = (pgPhysPages - pgResidentPages - pgSwappablePages - pgDiscardablePages);
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| 127 | MemInfo.cbPhysAvail = (cPages > 0) ? cPages << PAGESHIFT : 0;
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| 128 | }
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| 129 | MemInfo.cbPhysUsed = PGPhysPresent() << PAGESHIFT;
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| 130 | MemInfo.fPagingSwapEnabled = PGSwapEnabled;
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| 131 | MemInfo.cPagingPageFaults = pgcPageFaults;
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| 132 | MemInfo.cPagingPageFaultsActive = pgcPageFaultsActive;
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| 133 | MemInfo.cPagingPhysPages = pgPhysPages;
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| 134 | MemInfo.ulPagingPhysMax = pgPhysMax;
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| 135 | MemInfo.cPagingResidentPages = pgResidentPages;
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| 136 | MemInfo.cPagingSwappablePages = pgSwappablePages;
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| 137 | MemInfo.cPagingDiscardableInmem = pgDiscardableInmem;
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| 138 | MemInfo.cPagingDiscardablePages = pgDiscardablePages;
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| 139 | }
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| 140 |
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| 141 |
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| 142 | /*
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| 143 | * Virtual Memory stuff.
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| 144 | */
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| 145 | if (flFlags & K32_SYSMEMINFO_VM)
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| 146 | {
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| 147 | MemInfo.ulAddressLimit = VirtualAddressLimit;
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| 148 | vmRecalcShrBound(VMRSBF_ARENASHR, (PULONG)SSToDS(&MemInfo.ulVMArenaPrivMax));
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| 149 | MemInfo.ulVMArenaSharedMin = pahvmShr->ah_laddrMin;
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| 150 | MemInfo.ulVMArenaSharedMax = pahvmShr->ah_laddrMax;
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| 151 | MemInfo.ulVMArenaSystemMin = pahvmSys->ah_laddrMin;
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| 152 | MemInfo.ulVMArenaSystemMax = pahvmSys->ah_laddrMax;
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| [5289] | 153 | if (pahvmhShr && VirtualAddressLimit > 0x20000000) /* Not valid if less or equal to 512MB user memory */
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| [5108] | 154 | {
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| 155 | MemInfo.ulVMArenaHighSharedMin = pahvmhShr->ah_laddrMin;
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| 156 | MemInfo.ulVMArenaHighSharedMax = pahvmhShr->ah_laddrMax;
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| 157 | vmRecalcShrBound(VMRSBF_ARENAHIGH, (PULONG)SSToDS(&MemInfo.ulVMArenaHighPrivMax));
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| 158 | }
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| 159 | else
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| 160 | MemInfo.ulVMArenaHighPrivMax = MemInfo.ulVMArenaHighSharedMin = MemInfo.ulVMArenaHighSharedMax = 0;
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| 161 | }
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| 162 |
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| 163 | /*
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| 164 | * Now we're finished - so copy the data into user space and return.
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| 165 | */
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| 166 | rc = TKSuBuff(pMemInfo, SSToDS(&MemInfo), MemInfo.cb, TK_FUSU_NONFATAL);
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| 167 | if (rc)
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| 168 | kprintf(("k32QuerySystemMemInfo: Failed to copy meminfo to user memory. rc=%d\n", rc));
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| 169 |
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| 170 | return rc;
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| 171 | }
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| 172 |
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