[27558] | 1 | /* $Id: DrvDiskIntegrity.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
|
---|
| 2 | /** @file
|
---|
| 3 | * VBox storage devices: Disk integrity check.
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /*
|
---|
[98103] | 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
|
---|
[27558] | 8 | *
|
---|
[96407] | 9 | * This file is part of VirtualBox base platform packages, as
|
---|
| 10 | * available from https://www.virtualbox.org.
|
---|
| 11 | *
|
---|
| 12 | * This program is free software; you can redistribute it and/or
|
---|
| 13 | * modify it under the terms of the GNU General Public License
|
---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
---|
| 15 | * License.
|
---|
| 16 | *
|
---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
| 20 | * General Public License for more details.
|
---|
| 21 | *
|
---|
| 22 | * You should have received a copy of the GNU General Public License
|
---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
---|
| 24 | *
|
---|
| 25 | * SPDX-License-Identifier: GPL-3.0-only
|
---|
[27558] | 26 | */
|
---|
| 27 |
|
---|
| 28 |
|
---|
[57358] | 29 | /*********************************************************************************************************************************
|
---|
| 30 | * Header Files *
|
---|
| 31 | *********************************************************************************************************************************/
|
---|
[27558] | 32 | #define LOG_GROUP LOG_GROUP_DRV_DISK_INTEGRITY
|
---|
[35346] | 33 | #include <VBox/vmm/pdmdrv.h>
|
---|
[59252] | 34 | #include <VBox/vmm/pdmstorageifs.h>
|
---|
[27558] | 35 | #include <iprt/assert.h>
|
---|
| 36 | #include <iprt/string.h>
|
---|
| 37 | #include <iprt/uuid.h>
|
---|
| 38 | #include <iprt/avl.h>
|
---|
| 39 | #include <iprt/mem.h>
|
---|
[65703] | 40 | #include <iprt/memcache.h>
|
---|
[27561] | 41 | #include <iprt/message.h>
|
---|
[28114] | 42 | #include <iprt/sg.h>
|
---|
[28902] | 43 | #include <iprt/time.h>
|
---|
[72310] | 44 | #include <iprt/tracelog.h>
|
---|
[28902] | 45 | #include <iprt/semaphore.h>
|
---|
[29306] | 46 | #include <iprt/asm.h>
|
---|
[27558] | 47 |
|
---|
[35353] | 48 | #include "VBoxDD.h"
|
---|
[27558] | 49 |
|
---|
| 50 |
|
---|
[57358] | 51 | /*********************************************************************************************************************************
|
---|
| 52 | * Structures and Typedefs *
|
---|
| 53 | *********************************************************************************************************************************/
|
---|
[27558] | 54 |
|
---|
| 55 | /**
|
---|
[29412] | 56 | * Transfer direction.
|
---|
| 57 | */
|
---|
| 58 | typedef enum DRVDISKAIOTXDIR
|
---|
| 59 | {
|
---|
[63727] | 60 | /** Invalid. */
|
---|
| 61 | DRVDISKAIOTXDIR_INVALID = 0,
|
---|
[29412] | 62 | /** Read */
|
---|
[63727] | 63 | DRVDISKAIOTXDIR_READ,
|
---|
[29412] | 64 | /** Write */
|
---|
| 65 | DRVDISKAIOTXDIR_WRITE,
|
---|
| 66 | /** Flush */
|
---|
[38878] | 67 | DRVDISKAIOTXDIR_FLUSH,
|
---|
| 68 | /** Discard */
|
---|
[51619] | 69 | DRVDISKAIOTXDIR_DISCARD,
|
---|
| 70 | /** Read after write for immediate verification. */
|
---|
| 71 | DRVDISKAIOTXDIR_READ_AFTER_WRITE
|
---|
[29412] | 72 | } DRVDISKAIOTXDIR;
|
---|
| 73 |
|
---|
| 74 | /**
|
---|
[28114] | 75 | * async I/O request.
|
---|
| 76 | */
|
---|
| 77 | typedef struct DRVDISKAIOREQ
|
---|
| 78 | {
|
---|
[29412] | 79 | /** Transfer direction. */
|
---|
| 80 | DRVDISKAIOTXDIR enmTxDir;
|
---|
[28114] | 81 | /** Start offset. */
|
---|
[29443] | 82 | uint64_t off;
|
---|
[28114] | 83 | /** Transfer size. */
|
---|
[29443] | 84 | size_t cbTransfer;
|
---|
[28114] | 85 | /** Segment array. */
|
---|
[29443] | 86 | PCRTSGSEG paSeg;
|
---|
[28114] | 87 | /** Number of array entries. */
|
---|
[29443] | 88 | unsigned cSeg;
|
---|
[28114] | 89 | /** User argument */
|
---|
[29443] | 90 | void *pvUser;
|
---|
[28902] | 91 | /** Slot in the array. */
|
---|
[29443] | 92 | unsigned iSlot;
|
---|
| 93 | /** Start timestamp */
|
---|
| 94 | uint64_t tsStart;
|
---|
| 95 | /** Completion timestamp. */
|
---|
| 96 | uint64_t tsComplete;
|
---|
[38878] | 97 | /** Ranges to discard. */
|
---|
| 98 | PCRTRANGE paRanges;
|
---|
| 99 | /** Number of ranges. */
|
---|
| 100 | unsigned cRanges;
|
---|
[63727] | 101 | /** I/O segment for the extended media interface
|
---|
| 102 | * to hold the data. */
|
---|
| 103 | RTSGSEG IoSeg;
|
---|
[28114] | 104 | } DRVDISKAIOREQ, *PDRVDISKAIOREQ;
|
---|
| 105 |
|
---|
| 106 | /**
|
---|
[27561] | 107 | * I/O log entry.
|
---|
| 108 | */
|
---|
| 109 | typedef struct IOLOGENT
|
---|
| 110 | {
|
---|
| 111 | /** Start offset */
|
---|
| 112 | uint64_t off;
|
---|
| 113 | /** Write size */
|
---|
| 114 | size_t cbWrite;
|
---|
| 115 | /** Number of references to this entry. */
|
---|
| 116 | unsigned cRefs;
|
---|
| 117 | } IOLOGENT, *PIOLOGENT;
|
---|
| 118 |
|
---|
| 119 | /**
|
---|
[27558] | 120 | * Disk segment.
|
---|
| 121 | */
|
---|
| 122 | typedef struct DRVDISKSEGMENT
|
---|
| 123 | {
|
---|
| 124 | /** AVL core. */
|
---|
| 125 | AVLRFOFFNODECORE Core;
|
---|
| 126 | /** Size of the segment */
|
---|
| 127 | size_t cbSeg;
|
---|
| 128 | /** Data for this segment */
|
---|
| 129 | uint8_t *pbSeg;
|
---|
[33540] | 130 | /** Number of entries in the I/O array. */
|
---|
[27561] | 131 | unsigned cIoLogEntries;
|
---|
| 132 | /** Array of I/O log references. */
|
---|
| 133 | PIOLOGENT apIoLog[1];
|
---|
[27558] | 134 | } DRVDISKSEGMENT, *PDRVDISKSEGMENT;
|
---|
| 135 |
|
---|
| 136 | /**
|
---|
[28902] | 137 | * Active requests list entry.
|
---|
| 138 | */
|
---|
| 139 | typedef struct DRVDISKAIOREQACTIVE
|
---|
| 140 | {
|
---|
| 141 | /** Pointer to the request. */
|
---|
| 142 | volatile PDRVDISKAIOREQ pIoReq;
|
---|
| 143 | /** Start timestamp. */
|
---|
| 144 | uint64_t tsStart;
|
---|
| 145 | } DRVDISKAIOREQACTIVE, *PDRVDISKAIOREQACTIVE;
|
---|
| 146 |
|
---|
| 147 | /**
|
---|
[27558] | 148 | * Disk integrity driver instance data.
|
---|
| 149 | *
|
---|
| 150 | * @implements PDMIMEDIA
|
---|
[73094] | 151 | * @implements PDMIMEDIAPORT
|
---|
| 152 | * @implements PDMIMEDIAEX
|
---|
| 153 | * @implements PDMIMEDIAEXPORT
|
---|
| 154 | * @implements PDMIMEDIAMOUNT
|
---|
| 155 | * @implements PDMIMEDIAMOUNTNOTIFY
|
---|
[27558] | 156 | */
|
---|
| 157 | typedef struct DRVDISKINTEGRITY
|
---|
| 158 | {
|
---|
| 159 | /** Pointer driver instance. */
|
---|
| 160 | PPDMDRVINS pDrvIns;
|
---|
| 161 | /** Pointer to the media driver below us.
|
---|
| 162 | * This is NULL if the media is not mounted. */
|
---|
| 163 | PPDMIMEDIA pDrvMedia;
|
---|
| 164 | /** Our media interface */
|
---|
| 165 | PDMIMEDIA IMedia;
|
---|
| 166 |
|
---|
[34433] | 167 | /** The media port interface above. */
|
---|
| 168 | PPDMIMEDIAPORT pDrvMediaPort;
|
---|
| 169 | /** Media port interface */
|
---|
| 170 | PDMIMEDIAPORT IMediaPort;
|
---|
| 171 |
|
---|
[63700] | 172 | /** The extended media port interface above. */
|
---|
| 173 | PPDMIMEDIAEXPORT pDrvMediaExPort;
|
---|
| 174 | /** Our extended media port interface */
|
---|
| 175 | PDMIMEDIAEXPORT IMediaExPort;
|
---|
| 176 |
|
---|
| 177 | /** The extended media interface below. */
|
---|
| 178 | PPDMIMEDIAEX pDrvMediaEx;
|
---|
| 179 | /** Our extended media interface */
|
---|
| 180 | PDMIMEDIAEX IMediaEx;
|
---|
| 181 |
|
---|
[73094] | 182 | /** The mount interface below. */
|
---|
| 183 | PPDMIMOUNT pDrvMount;
|
---|
| 184 | /** Our mount interface */
|
---|
| 185 | PDMIMOUNT IMount;
|
---|
| 186 |
|
---|
| 187 | /** The mount notify interface above. */
|
---|
| 188 | PPDMIMOUNTNOTIFY pDrvMountNotify;
|
---|
| 189 | /** Our mount notify interface. */
|
---|
| 190 | PDMIMOUNTNOTIFY IMountNotify;
|
---|
| 191 |
|
---|
[28902] | 192 | /** Flag whether consistency checks are enabled. */
|
---|
| 193 | bool fCheckConsistency;
|
---|
[46859] | 194 | /** Flag whether the RAM disk was prepopulated. */
|
---|
| 195 | bool fPrepopulateRamDisk;
|
---|
[27558] | 196 | /** AVL tree containing the disk blocks to check. */
|
---|
| 197 | PAVLRFOFFTREE pTreeSegments;
|
---|
[28902] | 198 |
|
---|
| 199 | /** Flag whether async request tracing is enabled. */
|
---|
| 200 | bool fTraceRequests;
|
---|
| 201 | /** Interval the thread should check for expired requests (milliseconds). */
|
---|
| 202 | uint32_t uCheckIntervalMs;
|
---|
| 203 | /** Expire timeout for a request (milliseconds). */
|
---|
| 204 | uint32_t uExpireIntervalMs;
|
---|
| 205 | /** Thread which checks for lost requests. */
|
---|
| 206 | RTTHREAD hThread;
|
---|
| 207 | /** Event semaphore */
|
---|
| 208 | RTSEMEVENT SemEvent;
|
---|
| 209 | /** Flag whether the thread should run. */
|
---|
| 210 | bool fRunning;
|
---|
| 211 | /** Array containing active requests. */
|
---|
| 212 | DRVDISKAIOREQACTIVE apReqActive[128];
|
---|
| 213 | /** Next free slot in the array */
|
---|
| 214 | volatile unsigned iNextFreeSlot;
|
---|
[65703] | 215 | /** Request cache. */
|
---|
| 216 | RTMEMCACHE hReqCache;
|
---|
[29443] | 217 |
|
---|
| 218 | /** Flag whether we check for requests completing twice. */
|
---|
| 219 | bool fCheckDoubleCompletion;
|
---|
| 220 | /** Number of requests we go back. */
|
---|
| 221 | unsigned cEntries;
|
---|
| 222 | /** Array of completed but still observed requests. */
|
---|
| 223 | PDRVDISKAIOREQ *papIoReq;
|
---|
| 224 | /** Current entry in the array. */
|
---|
| 225 | unsigned iEntry;
|
---|
[38541] | 226 |
|
---|
[51619] | 227 | /** Flag whether to do a immediate read after write for verification. */
|
---|
| 228 | bool fReadAfterWrite;
|
---|
[51749] | 229 | /** Flag whether to record the data to write before the write completed successfully.
|
---|
| 230 | * Useful in case the data is modified in place later on (encryption for instance). */
|
---|
| 231 | bool fRecordWriteBeforeCompletion;
|
---|
[63727] | 232 | /** Flag whether to validate memory buffers when the extended media interface is used. */
|
---|
| 233 | bool fValidateMemBufs;
|
---|
[51619] | 234 |
|
---|
[38541] | 235 | /** I/O logger to use if enabled. */
|
---|
[72310] | 236 | RTTRACELOGWR hIoLogger;
|
---|
[63727] | 237 | /** Size of the opaque handle until our tracking structure starts in bytes. */
|
---|
| 238 | size_t cbIoReqOpaque;
|
---|
[27558] | 239 | } DRVDISKINTEGRITY, *PDRVDISKINTEGRITY;
|
---|
| 240 |
|
---|
| 241 |
|
---|
[72310] | 242 | /**
|
---|
| 243 | * Read/Write event items.
|
---|
| 244 | */
|
---|
| 245 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsReadWrite[] =
|
---|
| 246 | {
|
---|
[72336] | 247 | { "Async", "Flag whether the request is asynchronous", RTTRACELOGTYPE_BOOL, 0 },
|
---|
| 248 | { "Offset", "Offset to start reading/writing from/to", RTTRACELOGTYPE_UINT64, 0 },
|
---|
| 249 | { "Size", "Number of bytes to transfer", RTTRACELOGTYPE_SIZE, 0 }
|
---|
[72310] | 250 | };
|
---|
| 251 |
|
---|
| 252 | /**
|
---|
[72336] | 253 | * Flush event items.
|
---|
| 254 | */
|
---|
| 255 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsFlush[] =
|
---|
| 256 | {
|
---|
| 257 | { "Async", "Flag whether the request is asynchronous", RTTRACELOGTYPE_BOOL, 0 }
|
---|
| 258 | };
|
---|
| 259 |
|
---|
| 260 | /**
|
---|
[72310] | 261 | * I/O request complete items.
|
---|
| 262 | */
|
---|
| 263 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsComplete[] =
|
---|
| 264 | {
|
---|
| 265 | { "Status", "Status code the request completed with", RTTRACELOGTYPE_INT32, 0 }
|
---|
| 266 | };
|
---|
| 267 |
|
---|
| 268 | /** Read event descriptor. */
|
---|
| 269 | static const RTTRACELOGEVTDESC g_EvtRead =
|
---|
| 270 | { "Read", "Read data from disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsReadWrite), &g_aEvtItemsReadWrite[0] };
|
---|
| 271 | /** Write event descriptor. */
|
---|
| 272 | static const RTTRACELOGEVTDESC g_EvtWrite =
|
---|
| 273 | { "Write", "Write data to disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsReadWrite), &g_aEvtItemsReadWrite[0] };
|
---|
| 274 | /** Flush event descriptor. */
|
---|
| 275 | static const RTTRACELOGEVTDESC g_EvtFlush =
|
---|
[72336] | 276 | { "Flush", "Flush written data to disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsFlush), &g_aEvtItemsFlush[0] };
|
---|
[72310] | 277 | /** I/O request complete event descriptor. */
|
---|
| 278 | static const RTTRACELOGEVTDESC g_EvtComplete =
|
---|
| 279 | { "Complete", "A previously started I/O request completed", RTTRACELOGEVTSEVERITY_DEBUG,
|
---|
| 280 | RT_ELEMENTS(g_aEvtItemsComplete), &g_aEvtItemsComplete[0]};
|
---|
| 281 |
|
---|
[65703] | 282 | #define DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(a_pThis, a_hIoReq) ((*(PDRVDISKAIOREQ *)((uintptr_t)(a_hIoReq) + (a_pThis)->cbIoReqOpaque)))
|
---|
| 283 | #define DISKINTEGRITY_IOREQ_HANDLE_2_UPPER_OPAQUE(a_pThis, a_hIoReq) ((void *)((uintptr_t)(a_hIoReq) + (a_pThis)->cbIoReqOpaque + sizeof(PDRVDISKAIOREQ)))
|
---|
| 284 | #define DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(a_pvIoReqAlloc) (*(PDRVDISKAIOREQ *)(a_pvIoReqAlloc))
|
---|
| 285 | #define DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(a_pvIoReqAlloc) ((void *)((uintptr_t)(a_pvIoReqAlloc) + sizeof(PDRVDISKAIOREQ)))
|
---|
| 286 |
|
---|
[63727] | 287 | static void drvdiskintIoReqCheckForDoubleCompletion(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq,
|
---|
| 288 | bool fMediaEx)
|
---|
[29443] | 289 | {
|
---|
[63727] | 290 | /* Search if the I/O request completed already. */
|
---|
| 291 | for (unsigned i = 0; i < pThis->cEntries; i++)
|
---|
[29443] | 292 | {
|
---|
[63727] | 293 | if (RT_UNLIKELY(pThis->papIoReq[i] == pIoReq))
|
---|
[29443] | 294 | {
|
---|
[63727] | 295 | RTMsgError("Request %#p completed already!\n", pIoReq);
|
---|
| 296 | if (!fMediaEx)
|
---|
[29443] | 297 | RTMsgError("Start timestamp %llu Completion timestamp %llu (completed after %llu ms)\n",
|
---|
| 298 | pIoReq->tsStart, pIoReq->tsComplete, pIoReq->tsComplete - pIoReq->tsStart);
|
---|
[63727] | 299 | RTAssertDebugBreak();
|
---|
[29443] | 300 | }
|
---|
[63727] | 301 | }
|
---|
[29443] | 302 |
|
---|
[63727] | 303 | pIoReq->tsComplete = RTTimeSystemMilliTS();
|
---|
| 304 | Assert(!pThis->papIoReq[pThis->iEntry]);
|
---|
| 305 | pThis->papIoReq[pThis->iEntry] = pIoReq;
|
---|
[29443] | 306 |
|
---|
[63727] | 307 | pThis->iEntry = (pThis->iEntry+1) % pThis->cEntries;
|
---|
| 308 | if (pThis->papIoReq[pThis->iEntry])
|
---|
| 309 | {
|
---|
| 310 | if (!fMediaEx)
|
---|
[29443] | 311 | RTMemFree(pThis->papIoReq[pThis->iEntry]);
|
---|
[63727] | 312 | pThis->papIoReq[pThis->iEntry] = NULL;
|
---|
[29443] | 313 | }
|
---|
[63727] | 314 | }
|
---|
| 315 |
|
---|
[38670] | 316 | static void drvdiskintIoLogEntryRelease(PIOLOGENT pIoLogEnt)
|
---|
| 317 | {
|
---|
| 318 | pIoLogEnt->cRefs--;
|
---|
| 319 | if (!pIoLogEnt->cRefs)
|
---|
| 320 | RTMemFree(pIoLogEnt);
|
---|
| 321 | }
|
---|
| 322 |
|
---|
[29443] | 323 | /**
|
---|
[28114] | 324 | * Record a successful write to the virtual disk.
|
---|
| 325 | *
|
---|
| 326 | * @returns VBox status code.
|
---|
| 327 | * @param pThis Disk integrity driver instance data.
|
---|
| 328 | * @param paSeg Segment array of the write to record.
|
---|
| 329 | * @param cSeg Number of segments.
|
---|
| 330 | * @param off Start offset.
|
---|
| 331 | * @param cbWrite Number of bytes to record.
|
---|
| 332 | */
|
---|
| 333 | static int drvdiskintWriteRecord(PDRVDISKINTEGRITY pThis, PCRTSGSEG paSeg, unsigned cSeg,
|
---|
| 334 | uint64_t off, size_t cbWrite)
|
---|
[27558] | 335 | {
|
---|
[28114] | 336 | int rc = VINF_SUCCESS;
|
---|
[27558] | 337 |
|
---|
[28115] | 338 | LogFlowFunc(("pThis=%#p paSeg=%#p cSeg=%u off=%llx cbWrite=%u\n",
|
---|
| 339 | pThis, paSeg, cSeg, off, cbWrite));
|
---|
| 340 |
|
---|
[27558] | 341 | /* Update the segments */
|
---|
| 342 | size_t cbLeft = cbWrite;
|
---|
| 343 | RTFOFF offCurr = (RTFOFF)off;
|
---|
[28114] | 344 | RTSGBUF SgBuf;
|
---|
[27561] | 345 | PIOLOGENT pIoLogEnt = (PIOLOGENT)RTMemAllocZ(sizeof(IOLOGENT));
|
---|
| 346 | if (!pIoLogEnt)
|
---|
| 347 | return VERR_NO_MEMORY;
|
---|
[27558] | 348 |
|
---|
[27561] | 349 | pIoLogEnt->off = off;
|
---|
| 350 | pIoLogEnt->cbWrite = cbWrite;
|
---|
| 351 | pIoLogEnt->cRefs = 0;
|
---|
| 352 |
|
---|
[28114] | 353 | RTSgBufInit(&SgBuf, paSeg, cSeg);
|
---|
| 354 |
|
---|
[27558] | 355 | while (cbLeft)
|
---|
| 356 | {
|
---|
| 357 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offCurr);
|
---|
| 358 | size_t cbRange = 0;
|
---|
| 359 | bool fSet = false;
|
---|
| 360 | unsigned offSeg = 0;
|
---|
| 361 |
|
---|
| 362 | if (!pSeg)
|
---|
| 363 | {
|
---|
| 364 | /* Get next segment */
|
---|
| 365 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offCurr, true);
|
---|
| 366 | if ( !pSeg
|
---|
| 367 | || offCurr + (RTFOFF)cbLeft <= pSeg->Core.Key)
|
---|
| 368 | cbRange = cbLeft;
|
---|
| 369 | else
|
---|
| 370 | cbRange = pSeg->Core.Key - offCurr;
|
---|
| 371 |
|
---|
[27561] | 372 | Assert(cbRange % 512 == 0);
|
---|
| 373 |
|
---|
[27558] | 374 | /* Create new segment */
|
---|
[73097] | 375 | pSeg = (PDRVDISKSEGMENT)RTMemAllocZ(RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbRange / 512]));
|
---|
[27558] | 376 | if (pSeg)
|
---|
| 377 | {
|
---|
[27561] | 378 | pSeg->Core.Key = offCurr;
|
---|
| 379 | pSeg->Core.KeyLast = offCurr + (RTFOFF)cbRange - 1;
|
---|
| 380 | pSeg->cbSeg = cbRange;
|
---|
| 381 | pSeg->pbSeg = (uint8_t *)RTMemAllocZ(cbRange);
|
---|
[65485] | 382 | pSeg->cIoLogEntries = (uint32_t)cbRange / 512;
|
---|
[27558] | 383 | if (!pSeg->pbSeg)
|
---|
| 384 | RTMemFree(pSeg);
|
---|
| 385 | else
|
---|
| 386 | {
|
---|
| 387 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
[63727] | 388 | AssertMsg(fInserted, ("Bug!\n")); RT_NOREF(fInserted);
|
---|
[27558] | 389 | fSet = true;
|
---|
| 390 | }
|
---|
| 391 | }
|
---|
| 392 | }
|
---|
| 393 | else
|
---|
| 394 | {
|
---|
| 395 | fSet = true;
|
---|
| 396 | offSeg = offCurr - pSeg->Core.Key;
|
---|
[27561] | 397 | cbRange = RT_MIN(cbLeft, (size_t)(pSeg->Core.KeyLast + 1 - offCurr));
|
---|
[27558] | 398 | }
|
---|
| 399 |
|
---|
| 400 | if (fSet)
|
---|
| 401 | {
|
---|
| 402 | AssertPtr(pSeg);
|
---|
[28144] | 403 | size_t cbCopied = RTSgBufCopyToBuf(&SgBuf, pSeg->pbSeg + offSeg, cbRange);
|
---|
[63727] | 404 | Assert(cbCopied == cbRange); RT_NOREF(cbCopied);
|
---|
[27561] | 405 |
|
---|
| 406 | /* Update the I/O log pointers */
|
---|
| 407 | Assert(offSeg % 512 == 0);
|
---|
| 408 | Assert(cbRange % 512 == 0);
|
---|
| 409 | while (offSeg < cbRange)
|
---|
| 410 | {
|
---|
| 411 | uint32_t uSector = offSeg / 512;
|
---|
| 412 | PIOLOGENT pIoLogOld = NULL;
|
---|
| 413 |
|
---|
| 414 | AssertMsg(uSector < pSeg->cIoLogEntries, ("Internal bug!\n"));
|
---|
| 415 |
|
---|
| 416 | pIoLogOld = pSeg->apIoLog[uSector];
|
---|
| 417 | if (pIoLogOld)
|
---|
| 418 | {
|
---|
| 419 | pIoLogOld->cRefs--;
|
---|
| 420 | if (!pIoLogOld->cRefs)
|
---|
| 421 | RTMemFree(pIoLogOld);
|
---|
| 422 | }
|
---|
| 423 |
|
---|
| 424 | pSeg->apIoLog[uSector] = pIoLogEnt;
|
---|
| 425 | pIoLogEnt->cRefs++;
|
---|
| 426 |
|
---|
| 427 | offSeg += 512;
|
---|
| 428 | }
|
---|
[27558] | 429 | }
|
---|
[28114] | 430 | else
|
---|
| 431 | RTSgBufAdvance(&SgBuf, cbRange);
|
---|
[27558] | 432 |
|
---|
| 433 | offCurr += cbRange;
|
---|
| 434 | cbLeft -= cbRange;
|
---|
| 435 | }
|
---|
| 436 |
|
---|
| 437 | return rc;
|
---|
| 438 | }
|
---|
| 439 |
|
---|
[28114] | 440 | /**
|
---|
| 441 | * Verifies a read request.
|
---|
| 442 | *
|
---|
| 443 | * @returns VBox status code.
|
---|
| 444 | * @param pThis Disk integrity driver instance data.
|
---|
| 445 | * @param paSeg Segment array of the containing the data buffers to verify.
|
---|
| 446 | * @param cSeg Number of segments.
|
---|
| 447 | * @param off Start offset.
|
---|
[64274] | 448 | * @param cbRead Number of bytes to verify.
|
---|
[28114] | 449 | */
|
---|
| 450 | static int drvdiskintReadVerify(PDRVDISKINTEGRITY pThis, PCRTSGSEG paSeg, unsigned cSeg,
|
---|
| 451 | uint64_t off, size_t cbRead)
|
---|
| 452 | {
|
---|
| 453 | int rc = VINF_SUCCESS;
|
---|
| 454 |
|
---|
[28115] | 455 | LogFlowFunc(("pThis=%#p paSeg=%#p cSeg=%u off=%llx cbRead=%u\n",
|
---|
| 456 | pThis, paSeg, cSeg, off, cbRead));
|
---|
| 457 |
|
---|
[28114] | 458 | Assert(off % 512 == 0);
|
---|
| 459 | Assert(cbRead % 512 == 0);
|
---|
| 460 |
|
---|
| 461 | /* Compare read data */
|
---|
| 462 | size_t cbLeft = cbRead;
|
---|
| 463 | RTFOFF offCurr = (RTFOFF)off;
|
---|
| 464 | RTSGBUF SgBuf;
|
---|
| 465 |
|
---|
| 466 | RTSgBufInit(&SgBuf, paSeg, cSeg);
|
---|
| 467 |
|
---|
| 468 | while (cbLeft)
|
---|
| 469 | {
|
---|
| 470 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offCurr);
|
---|
| 471 | size_t cbRange = 0;
|
---|
| 472 | bool fCmp = false;
|
---|
| 473 | unsigned offSeg = 0;
|
---|
| 474 |
|
---|
| 475 | if (!pSeg)
|
---|
| 476 | {
|
---|
| 477 | /* Get next segment */
|
---|
| 478 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offCurr, true);
|
---|
| 479 | if (!pSeg)
|
---|
| 480 | {
|
---|
| 481 | /* No data in the tree for this read. Assume everything is ok. */
|
---|
| 482 | cbRange = cbLeft;
|
---|
| 483 | }
|
---|
| 484 | else if (offCurr + (RTFOFF)cbLeft <= pSeg->Core.Key)
|
---|
| 485 | cbRange = cbLeft;
|
---|
| 486 | else
|
---|
| 487 | cbRange = pSeg->Core.Key - offCurr;
|
---|
[46859] | 488 |
|
---|
| 489 | if (pThis->fPrepopulateRamDisk)
|
---|
| 490 | {
|
---|
| 491 | /* No segment means everything should be 0 for this part. */
|
---|
| 492 | if (!RTSgBufIsZero(&SgBuf, cbRange))
|
---|
| 493 | {
|
---|
| 494 | RTMsgError("Corrupted disk at offset %llu (expected everything to be 0)!\n",
|
---|
| 495 | offCurr);
|
---|
| 496 | RTAssertDebugBreak();
|
---|
| 497 | }
|
---|
| 498 | }
|
---|
[28114] | 499 | }
|
---|
| 500 | else
|
---|
| 501 | {
|
---|
| 502 | fCmp = true;
|
---|
| 503 | offSeg = offCurr - pSeg->Core.Key;
|
---|
| 504 | cbRange = RT_MIN(cbLeft, (size_t)(pSeg->Core.KeyLast + 1 - offCurr));
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | if (fCmp)
|
---|
| 508 | {
|
---|
| 509 | RTSGSEG Seg;
|
---|
| 510 | RTSGBUF SgBufCmp;
|
---|
[28118] | 511 | size_t cbOff = 0;
|
---|
[28114] | 512 |
|
---|
| 513 | Seg.cbSeg = cbRange;
|
---|
| 514 | Seg.pvSeg = pSeg->pbSeg + offSeg;
|
---|
| 515 |
|
---|
| 516 | RTSgBufInit(&SgBufCmp, &Seg, 1);
|
---|
[28118] | 517 | if (RTSgBufCmpEx(&SgBuf, &SgBufCmp, cbRange, &cbOff, true))
|
---|
[28114] | 518 | {
|
---|
[28118] | 519 | /* Corrupted disk, print I/O log entry of the last write which accessed this range. */
|
---|
[65485] | 520 | uint32_t cSector = (offSeg + (uint32_t)cbOff) / 512;
|
---|
[28118] | 521 | AssertMsg(cSector < pSeg->cIoLogEntries, ("Internal bug!\n"));
|
---|
[28114] | 522 |
|
---|
[28118] | 523 | RTMsgError("Corrupted disk at offset %llu (%u bytes in the current read buffer)!\n",
|
---|
| 524 | offCurr + cbOff, cbOff);
|
---|
| 525 | RTMsgError("Last write to this sector started at offset %llu with %u bytes (%u references to this log entry)\n",
|
---|
| 526 | pSeg->apIoLog[cSector]->off,
|
---|
| 527 | pSeg->apIoLog[cSector]->cbWrite,
|
---|
| 528 | pSeg->apIoLog[cSector]->cRefs);
|
---|
| 529 | RTAssertDebugBreak();
|
---|
[28114] | 530 | }
|
---|
| 531 | }
|
---|
[28144] | 532 | else
|
---|
| 533 | RTSgBufAdvance(&SgBuf, cbRange);
|
---|
[28114] | 534 |
|
---|
| 535 | offCurr += cbRange;
|
---|
| 536 | cbLeft -= cbRange;
|
---|
| 537 | }
|
---|
| 538 |
|
---|
| 539 | return rc;
|
---|
| 540 | }
|
---|
| 541 |
|
---|
[28902] | 542 | /**
|
---|
[38670] | 543 | * Discards the given ranges from the disk.
|
---|
| 544 | *
|
---|
| 545 | * @returns VBox status code.
|
---|
| 546 | * @param pThis Disk integrity driver instance data.
|
---|
| 547 | * @param paRanges Array of ranges to discard.
|
---|
| 548 | * @param cRanges Number of ranges in the array.
|
---|
| 549 | */
|
---|
[39518] | 550 | static int drvdiskintDiscardRecords(PDRVDISKINTEGRITY pThis, PCRTRANGE paRanges, unsigned cRanges)
|
---|
[38670] | 551 | {
|
---|
| 552 | int rc = VINF_SUCCESS;
|
---|
| 553 |
|
---|
| 554 | LogFlowFunc(("pThis=%#p paRanges=%#p cRanges=%u\n", pThis, paRanges, cRanges));
|
---|
| 555 |
|
---|
| 556 | for (unsigned i = 0; i < cRanges; i++)
|
---|
| 557 | {
|
---|
| 558 | uint64_t offStart = paRanges[i].offStart;
|
---|
| 559 | size_t cbLeft = paRanges[i].cbRange;
|
---|
| 560 |
|
---|
| 561 | LogFlowFunc(("Discarding off=%llu cbRange=%zu\n", offStart, cbLeft));
|
---|
| 562 |
|
---|
| 563 | while (cbLeft)
|
---|
| 564 | {
|
---|
| 565 | size_t cbRange;
|
---|
| 566 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offStart);
|
---|
| 567 |
|
---|
| 568 | if (!pSeg)
|
---|
| 569 | {
|
---|
| 570 | /* Get next segment */
|
---|
| 571 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offStart, true);
|
---|
| 572 | if ( !pSeg
|
---|
| 573 | || (RTFOFF)offStart + (RTFOFF)cbLeft <= pSeg->Core.Key)
|
---|
| 574 | cbRange = cbLeft;
|
---|
| 575 | else
|
---|
| 576 | cbRange = pSeg->Core.Key - offStart;
|
---|
| 577 |
|
---|
| 578 | Assert(!(cbRange % 512));
|
---|
| 579 | }
|
---|
| 580 | else
|
---|
| 581 | {
|
---|
| 582 | size_t cbPreLeft, cbPostLeft;
|
---|
| 583 |
|
---|
[44236] | 584 | cbRange = RT_MIN(cbLeft, pSeg->Core.KeyLast - offStart + 1);
|
---|
[38670] | 585 | cbPreLeft = offStart - pSeg->Core.Key;
|
---|
| 586 | cbPostLeft = pSeg->cbSeg - cbRange - cbPreLeft;
|
---|
| 587 |
|
---|
| 588 | Assert(!(cbRange % 512));
|
---|
| 589 | Assert(!(cbPreLeft % 512));
|
---|
| 590 | Assert(!(cbPostLeft % 512));
|
---|
| 591 |
|
---|
| 592 | LogFlowFunc(("cbRange=%zu cbPreLeft=%zu cbPostLeft=%zu\n",
|
---|
| 593 | cbRange, cbPreLeft, cbPostLeft));
|
---|
| 594 |
|
---|
| 595 | RTAvlrFileOffsetRemove(pThis->pTreeSegments, pSeg->Core.Key);
|
---|
| 596 |
|
---|
| 597 | if (!cbPreLeft && !cbPostLeft)
|
---|
| 598 | {
|
---|
| 599 | /* Just free the whole segment. */
|
---|
| 600 | LogFlowFunc(("Freeing whole segment pSeg=%#p\n", pSeg));
|
---|
| 601 | RTMemFree(pSeg->pbSeg);
|
---|
| 602 | for (unsigned idx = 0; idx < pSeg->cIoLogEntries; idx++)
|
---|
| 603 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
| 604 | RTMemFree(pSeg);
|
---|
| 605 | }
|
---|
| 606 | else if (cbPreLeft && !cbPostLeft)
|
---|
| 607 | {
|
---|
| 608 | /* Realloc to new size and insert. */
|
---|
| 609 | LogFlowFunc(("Realloc segment pSeg=%#p\n", pSeg));
|
---|
| 610 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPreLeft);
|
---|
[65485] | 611 | for (unsigned idx = (uint32_t)(cbPreLeft / 512); idx < pSeg->cIoLogEntries; idx++)
|
---|
[38670] | 612 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
[73097] | 613 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPreLeft / 512]));
|
---|
[38670] | 614 | pSeg->Core.KeyLast = pSeg->Core.Key + cbPreLeft - 1;
|
---|
| 615 | pSeg->cbSeg = cbPreLeft;
|
---|
[65485] | 616 | pSeg->cIoLogEntries = (uint32_t)(cbPreLeft / 512);
|
---|
[38670] | 617 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
[63727] | 618 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
[38670] | 619 | }
|
---|
| 620 | else if (!cbPreLeft && cbPostLeft)
|
---|
| 621 | {
|
---|
| 622 | /* Move data to the front and realloc. */
|
---|
| 623 | LogFlowFunc(("Move data and realloc segment pSeg=%#p\n", pSeg));
|
---|
| 624 | memmove(pSeg->pbSeg, pSeg->pbSeg + cbRange, cbPostLeft);
|
---|
| 625 | for (unsigned idx = 0; idx < cbRange / 512; idx++)
|
---|
| 626 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
| 627 | for (unsigned idx = 0; idx < cbPostLeft /512; idx++)
|
---|
| 628 | pSeg->apIoLog[idx] = pSeg->apIoLog[(cbRange / 512) + idx];
|
---|
[73097] | 629 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPostLeft / 512]));
|
---|
[38670] | 630 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPostLeft);
|
---|
| 631 | pSeg->Core.Key += cbRange;
|
---|
| 632 | pSeg->cbSeg = cbPostLeft;
|
---|
[65485] | 633 | pSeg->cIoLogEntries = (uint32_t)(cbPostLeft / 512);
|
---|
[38670] | 634 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
[63727] | 635 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
[38670] | 636 | }
|
---|
| 637 | else
|
---|
| 638 | {
|
---|
| 639 | /* Split the segment into 2 new segments. */
|
---|
| 640 | LogFlowFunc(("Split segment pSeg=%#p\n", pSeg));
|
---|
[73097] | 641 | PDRVDISKSEGMENT pSegPost = (PDRVDISKSEGMENT)RTMemAllocZ(RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPostLeft / 512]));
|
---|
[38670] | 642 | if (pSegPost)
|
---|
| 643 | {
|
---|
| 644 | pSegPost->Core.Key = pSeg->Core.Key + cbPreLeft + cbRange;
|
---|
| 645 | pSegPost->Core.KeyLast = pSeg->Core.KeyLast;
|
---|
| 646 | pSegPost->cbSeg = cbPostLeft;
|
---|
| 647 | pSegPost->pbSeg = (uint8_t *)RTMemAllocZ(cbPostLeft);
|
---|
[65485] | 648 | pSegPost->cIoLogEntries = (uint32_t)(cbPostLeft / 512);
|
---|
[38670] | 649 | if (!pSegPost->pbSeg)
|
---|
| 650 | RTMemFree(pSegPost);
|
---|
| 651 | else
|
---|
| 652 | {
|
---|
| 653 | memcpy(pSegPost->pbSeg, pSeg->pbSeg + cbPreLeft + cbRange, cbPostLeft);
|
---|
[65485] | 654 | for (unsigned idx = 0; idx < (uint32_t)(cbPostLeft / 512); idx++)
|
---|
[38670] | 655 | pSegPost->apIoLog[idx] = pSeg->apIoLog[((cbPreLeft + cbRange) / 512) + idx];
|
---|
| 656 |
|
---|
| 657 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSegPost->Core);
|
---|
[63727] | 658 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
[38670] | 659 | }
|
---|
| 660 | }
|
---|
| 661 |
|
---|
| 662 | /* Shrink the current segment. */
|
---|
| 663 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPreLeft);
|
---|
[65485] | 664 | for (unsigned idx = (uint32_t)(cbPreLeft / 512); idx < (uint32_t)((cbPreLeft + cbRange) / 512); idx++)
|
---|
[38670] | 665 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
[73097] | 666 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPreLeft / 512]));
|
---|
[38670] | 667 | pSeg->Core.KeyLast = pSeg->Core.Key + cbPreLeft - 1;
|
---|
| 668 | pSeg->cbSeg = cbPreLeft;
|
---|
[65485] | 669 | pSeg->cIoLogEntries = (uint32_t)(cbPreLeft / 512);
|
---|
[38670] | 670 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
[63727] | 671 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
[38670] | 672 | } /* if (cbPreLeft && cbPostLeft) */
|
---|
| 673 | }
|
---|
| 674 |
|
---|
| 675 | offStart += cbRange;
|
---|
| 676 | cbLeft -= cbRange;
|
---|
| 677 | }
|
---|
| 678 | }
|
---|
| 679 |
|
---|
| 680 | LogFlowFunc(("returns rc=%Rrc\n", rc));
|
---|
| 681 | return rc;
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 | /**
|
---|
[28902] | 685 | * Adds a request to the active list.
|
---|
| 686 | *
|
---|
| 687 | * @returns nothing.
|
---|
| 688 | * @param pThis The driver instance data.
|
---|
| 689 | * @param pIoReq The request to add.
|
---|
| 690 | */
|
---|
| 691 | static void drvdiskintIoReqAdd(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
| 692 | {
|
---|
| 693 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[pThis->iNextFreeSlot];
|
---|
| 694 |
|
---|
| 695 | Assert(!pReqActive->pIoReq);
|
---|
[29443] | 696 | pReqActive->tsStart = pIoReq->tsStart;
|
---|
[28902] | 697 | pReqActive->pIoReq = pIoReq;
|
---|
| 698 | pIoReq->iSlot = pThis->iNextFreeSlot;
|
---|
| 699 |
|
---|
| 700 | /* Search for the next one. */
|
---|
| 701 | while (pThis->apReqActive[pThis->iNextFreeSlot].pIoReq)
|
---|
[28948] | 702 | pThis->iNextFreeSlot = (pThis->iNextFreeSlot+1) % RT_ELEMENTS(pThis->apReqActive);
|
---|
[28902] | 703 | }
|
---|
| 704 |
|
---|
| 705 | /**
|
---|
| 706 | * Removes a request from the active list.
|
---|
| 707 | *
|
---|
| 708 | * @returns nothing.
|
---|
| 709 | * @param pThis The driver instance data.
|
---|
| 710 | * @param pIoReq The request to remove.
|
---|
| 711 | */
|
---|
| 712 | static void drvdiskintIoReqRemove(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
| 713 | {
|
---|
| 714 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[pIoReq->iSlot];
|
---|
| 715 |
|
---|
| 716 | Assert(pReqActive->pIoReq == pIoReq);
|
---|
| 717 |
|
---|
[30112] | 718 | ASMAtomicWriteNullPtr(&pReqActive->pIoReq);
|
---|
[28902] | 719 | }
|
---|
| 720 |
|
---|
| 721 | /**
|
---|
| 722 | * Thread checking for expired requests.
|
---|
| 723 | *
|
---|
| 724 | * @returns IPRT status code.
|
---|
| 725 | * @param pThread Thread handle.
|
---|
| 726 | * @param pvUser Opaque user data.
|
---|
| 727 | */
|
---|
[63689] | 728 | static DECLCALLBACK(int) drvdiskIntIoReqExpiredCheck(RTTHREAD pThread, void *pvUser)
|
---|
[28902] | 729 | {
|
---|
| 730 | PDRVDISKINTEGRITY pThis = (PDRVDISKINTEGRITY)pvUser;
|
---|
| 731 |
|
---|
[63689] | 732 | RT_NOREF(pThread);
|
---|
| 733 |
|
---|
[28902] | 734 | while (pThis->fRunning)
|
---|
| 735 | {
|
---|
| 736 | int rc = RTSemEventWait(pThis->SemEvent, pThis->uCheckIntervalMs);
|
---|
| 737 |
|
---|
| 738 | if (!pThis->fRunning)
|
---|
| 739 | break;
|
---|
| 740 |
|
---|
[63727] | 741 | Assert(rc == VERR_TIMEOUT); RT_NOREF(rc);
|
---|
[28902] | 742 |
|
---|
| 743 | /* Get current timestamp for comparison. */
|
---|
| 744 | uint64_t tsCurr = RTTimeSystemMilliTS();
|
---|
| 745 |
|
---|
| 746 | /* Go through the array and check for expired requests. */
|
---|
| 747 | for (unsigned i = 0; i < RT_ELEMENTS(pThis->apReqActive); i++)
|
---|
| 748 | {
|
---|
| 749 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[i];
|
---|
[30111] | 750 | PDRVDISKAIOREQ pIoReq = ASMAtomicReadPtrT(&pReqActive->pIoReq, PDRVDISKAIOREQ);
|
---|
[28902] | 751 |
|
---|
| 752 | if ( pIoReq
|
---|
[29495] | 753 | && (tsCurr > pReqActive->tsStart)
|
---|
[28902] | 754 | && (tsCurr - pReqActive->tsStart) >= pThis->uExpireIntervalMs)
|
---|
| 755 | {
|
---|
| 756 | RTMsgError("Request %#p expired (active for %llu ms already)\n",
|
---|
| 757 | pIoReq, tsCurr - pReqActive->tsStart);
|
---|
| 758 | RTAssertDebugBreak();
|
---|
| 759 | }
|
---|
| 760 | }
|
---|
| 761 | }
|
---|
| 762 |
|
---|
| 763 | return VINF_SUCCESS;
|
---|
| 764 | }
|
---|
| 765 |
|
---|
[51619] | 766 | /**
|
---|
| 767 | * Verify a completed read after write request.
|
---|
| 768 | *
|
---|
| 769 | * @returns VBox status code.
|
---|
| 770 | * @param pThis The driver instance data.
|
---|
| 771 | * @param pIoReq The request to be verified.
|
---|
| 772 | */
|
---|
| 773 | static int drvdiskintReadAfterWriteVerify(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
| 774 | {
|
---|
| 775 | int rc = VINF_SUCCESS;
|
---|
| 776 |
|
---|
| 777 | if (pThis->fCheckConsistency)
|
---|
| 778 | rc = drvdiskintReadVerify(pThis, pIoReq->paSeg, pIoReq->cSeg, pIoReq->off, pIoReq->cbTransfer);
|
---|
[63562] | 779 | else /** @todo Implement read after write verification without a memory based image of the disk. */
|
---|
[51619] | 780 | AssertMsgFailed(("TODO\n"));
|
---|
| 781 |
|
---|
| 782 | return rc;
|
---|
| 783 | }
|
---|
| 784 |
|
---|
[72310] | 785 |
|
---|
| 786 | /**
|
---|
| 787 | * Fires a read event if enabled.
|
---|
| 788 | *
|
---|
| 789 | * @returns nothing.
|
---|
| 790 | * @param pThis The driver instance data.
|
---|
| 791 | * @param uGrp The group ID.
|
---|
[72336] | 792 | * @param fAsync Flag whether this is an async request.
|
---|
[72310] | 793 | * @param off The offset to put into the event log.
|
---|
| 794 | * @param cbRead Amount of bytes to read.
|
---|
| 795 | */
|
---|
[72336] | 796 | DECLINLINE(void) drvdiskintTraceLogFireEvtRead(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync, uint64_t off, size_t cbRead)
|
---|
[72310] | 797 | {
|
---|
| 798 | if (pThis->hIoLogger)
|
---|
| 799 | {
|
---|
[72312] | 800 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtRead, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
[72336] | 801 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync, off, cbRead);
|
---|
[72310] | 802 | AssertRC(rc);
|
---|
| 803 | }
|
---|
| 804 | }
|
---|
| 805 |
|
---|
| 806 |
|
---|
| 807 | /**
|
---|
| 808 | * Fires a write event if enabled.
|
---|
| 809 | *
|
---|
| 810 | * @returns nothing.
|
---|
| 811 | * @param pThis The driver instance data.
|
---|
| 812 | * @param uGrp The group ID.
|
---|
[72336] | 813 | * @param fAsync Flag whether this is an async request.
|
---|
[72310] | 814 | * @param off The offset to put into the event log.
|
---|
| 815 | * @param cbWrite Amount of bytes to write.
|
---|
| 816 | */
|
---|
[72336] | 817 | DECLINLINE(void) drvdiskintTraceLogFireEvtWrite(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync, uint64_t off, size_t cbWrite)
|
---|
[72310] | 818 | {
|
---|
| 819 | if (pThis->hIoLogger)
|
---|
| 820 | {
|
---|
[72312] | 821 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtWrite, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
[72338] | 822 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync, off, cbWrite);
|
---|
[72310] | 823 | AssertRC(rc);
|
---|
| 824 | }
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 |
|
---|
| 828 | /**
|
---|
| 829 | * Fires a flush event if enabled.
|
---|
| 830 | *
|
---|
| 831 | * @returns nothing.
|
---|
| 832 | * @param pThis The driver instance data.
|
---|
| 833 | * @param uGrp The group ID.
|
---|
[72336] | 834 | * @param fAsync Flag whether this is an async request.
|
---|
[72310] | 835 | */
|
---|
[72336] | 836 | DECLINLINE(void) drvdiskintTraceLogFireEvtFlush(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync)
|
---|
[72310] | 837 | {
|
---|
| 838 | if (pThis->hIoLogger)
|
---|
| 839 | {
|
---|
[72312] | 840 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtFlush, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
[72338] | 841 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync);
|
---|
[72310] | 842 | AssertRC(rc);
|
---|
| 843 | }
|
---|
| 844 | }
|
---|
| 845 |
|
---|
| 846 |
|
---|
| 847 | /**
|
---|
| 848 | * Fires a request complete event if enabled.
|
---|
| 849 | *
|
---|
| 850 | * @returns nothing.
|
---|
| 851 | * @param pThis The driver instance data.
|
---|
| 852 | * @param uGrp The group ID.
|
---|
[72311] | 853 | * @param rcReq Status code the request completed with.
|
---|
[72310] | 854 | * @param pSgBuf The S/G buffer holding the data.
|
---|
| 855 | */
|
---|
[72312] | 856 | DECLINLINE(void) drvdiskintTraceLogFireEvtComplete(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, int rcReq, PRTSGBUF pSgBuf)
|
---|
[72310] | 857 | {
|
---|
| 858 | RT_NOREF(pSgBuf);
|
---|
| 859 |
|
---|
| 860 | if (pThis->hIoLogger)
|
---|
| 861 | {
|
---|
[72312] | 862 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtComplete, RTTRACELOG_WR_ADD_EVT_F_GRP_FINISH,
|
---|
| 863 | (RTTRACELOGEVTGRPID)uGrp, 0, rcReq);
|
---|
[72310] | 864 | AssertRC(rc);
|
---|
| 865 | }
|
---|
| 866 | }
|
---|
| 867 |
|
---|
| 868 |
|
---|
[28114] | 869 | /* -=-=-=-=- IMedia -=-=-=-=- */
|
---|
| 870 |
|
---|
| 871 | /** Makes a PDRVDISKINTEGRITY out of a PPDMIMEDIA. */
|
---|
[73097] | 872 | #define PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface) ( (PDRVDISKINTEGRITY)((uintptr_t)pInterface - RT_UOFFSETOF(DRVDISKINTEGRITY, IMedia)) )
|
---|
[28114] | 873 |
|
---|
| 874 |
|
---|
[57358] | 875 | /*********************************************************************************************************************************
|
---|
| 876 | * Media interface methods *
|
---|
| 877 | *********************************************************************************************************************************/
|
---|
| 878 |
|
---|
[72310] | 879 |
|
---|
[62956] | 880 | /** @interface_method_impl{PDMIMEDIA,pfnRead} */
|
---|
[28114] | 881 | static DECLCALLBACK(int) drvdiskintRead(PPDMIMEDIA pInterface,
|
---|
| 882 | uint64_t off, void *pvBuf, size_t cbRead)
|
---|
| 883 | {
|
---|
[38541] | 884 | int rc = VINF_SUCCESS;
|
---|
[28114] | 885 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
[38541] | 886 |
|
---|
[72336] | 887 | drvdiskintTraceLogFireEvtRead(pThis, (uintptr_t)pvBuf, false /* fAsync */, off, cbRead);
|
---|
[38541] | 888 | rc = pThis->pDrvMedia->pfnRead(pThis->pDrvMedia, off, pvBuf, cbRead);
|
---|
| 889 |
|
---|
| 890 | if (pThis->hIoLogger)
|
---|
| 891 | {
|
---|
| 892 | RTSGSEG Seg;
|
---|
| 893 | RTSGBUF SgBuf;
|
---|
| 894 |
|
---|
| 895 | Seg.pvSeg = pvBuf;
|
---|
| 896 | Seg.cbSeg = cbRead;
|
---|
| 897 | RTSgBufInit(&SgBuf, &Seg, 1);
|
---|
[72312] | 898 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)pvBuf, rc, &SgBuf);
|
---|
[38541] | 899 | }
|
---|
| 900 |
|
---|
[28114] | 901 | if (RT_FAILURE(rc))
|
---|
| 902 | return rc;
|
---|
| 903 |
|
---|
[28902] | 904 | if (pThis->fCheckConsistency)
|
---|
| 905 | {
|
---|
| 906 | /* Verify the read. */
|
---|
| 907 | RTSGSEG Seg;
|
---|
| 908 | Seg.cbSeg = cbRead;
|
---|
| 909 | Seg.pvSeg = pvBuf;
|
---|
| 910 | rc = drvdiskintReadVerify(pThis, &Seg, 1, off, cbRead);
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | return rc;
|
---|
[28114] | 914 | }
|
---|
| 915 |
|
---|
[62956] | 916 | /** @interface_method_impl{PDMIMEDIA,pfnWrite} */
|
---|
[28114] | 917 | static DECLCALLBACK(int) drvdiskintWrite(PPDMIMEDIA pInterface,
|
---|
| 918 | uint64_t off, const void *pvBuf,
|
---|
| 919 | size_t cbWrite)
|
---|
| 920 | {
|
---|
[38541] | 921 | int rc = VINF_SUCCESS;
|
---|
[28114] | 922 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
[38541] | 923 |
|
---|
[72336] | 924 | drvdiskintTraceLogFireEvtWrite(pThis, (uintptr_t)pvBuf, false /* fAsync */, off, cbWrite);
|
---|
[38541] | 925 |
|
---|
[51749] | 926 | if (pThis->fRecordWriteBeforeCompletion)
|
---|
| 927 | {
|
---|
| 928 | RTSGSEG Seg;
|
---|
| 929 | Seg.cbSeg = cbWrite;
|
---|
| 930 | Seg.pvSeg = (void *)pvBuf;
|
---|
| 931 |
|
---|
| 932 | rc = drvdiskintWriteRecord(pThis, &Seg, 1, off, cbWrite);
|
---|
| 933 | if (RT_FAILURE(rc))
|
---|
| 934 | return rc;
|
---|
| 935 | }
|
---|
| 936 |
|
---|
[38541] | 937 | rc = pThis->pDrvMedia->pfnWrite(pThis->pDrvMedia, off, pvBuf, cbWrite);
|
---|
| 938 |
|
---|
[72312] | 939 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)pvBuf, rc, NULL);
|
---|
[28114] | 940 | if (RT_FAILURE(rc))
|
---|
| 941 | return rc;
|
---|
| 942 |
|
---|
[51749] | 943 | if ( pThis->fCheckConsistency
|
---|
| 944 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
[28902] | 945 | {
|
---|
| 946 | /* Record the write. */
|
---|
| 947 | RTSGSEG Seg;
|
---|
| 948 | Seg.cbSeg = cbWrite;
|
---|
| 949 | Seg.pvSeg = (void *)pvBuf;
|
---|
| 950 | rc = drvdiskintWriteRecord(pThis, &Seg, 1, off, cbWrite);
|
---|
| 951 | }
|
---|
| 952 |
|
---|
| 953 | return rc;
|
---|
[28114] | 954 | }
|
---|
| 955 |
|
---|
[62956] | 956 | /** @interface_method_impl{PDMIMEDIA,pfnFlush} */
|
---|
[27558] | 957 | static DECLCALLBACK(int) drvdiskintFlush(PPDMIMEDIA pInterface)
|
---|
| 958 | {
|
---|
[38541] | 959 | int rc = VINF_SUCCESS;
|
---|
[27558] | 960 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
[38541] | 961 |
|
---|
[72336] | 962 | drvdiskintTraceLogFireEvtFlush(pThis, 1, false /* fAsync */);
|
---|
[38541] | 963 | rc = pThis->pDrvMedia->pfnFlush(pThis->pDrvMedia);
|
---|
[72310] | 964 | drvdiskintTraceLogFireEvtComplete(pThis, 1, rc, NULL);
|
---|
[38541] | 965 |
|
---|
| 966 | return rc;
|
---|
[27558] | 967 | }
|
---|
| 968 |
|
---|
[62956] | 969 | /** @interface_method_impl{PDMIMEDIA,pfnGetSize} */
|
---|
[27558] | 970 | static DECLCALLBACK(uint64_t) drvdiskintGetSize(PPDMIMEDIA pInterface)
|
---|
| 971 | {
|
---|
| 972 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 973 | return pThis->pDrvMedia->pfnGetSize(pThis->pDrvMedia);
|
---|
| 974 | }
|
---|
| 975 |
|
---|
[62956] | 976 | /** @interface_method_impl{PDMIMEDIA,pfnIsReadOnly} */
|
---|
[27558] | 977 | static DECLCALLBACK(bool) drvdiskintIsReadOnly(PPDMIMEDIA pInterface)
|
---|
| 978 | {
|
---|
| 979 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 980 | return pThis->pDrvMedia->pfnIsReadOnly(pThis->pDrvMedia);
|
---|
| 981 | }
|
---|
| 982 |
|
---|
[63727] | 983 | /** @interface_method_impl{PDMIMEDIA,pfnBiosIsVisible} */
|
---|
| 984 | static DECLCALLBACK(bool) drvdiskintBiosIsVisible(PPDMIMEDIA pInterface)
|
---|
| 985 | {
|
---|
| 986 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
[65480] | 987 | return pThis->pDrvMedia->pfnBiosIsVisible(pThis->pDrvMedia);
|
---|
[63727] | 988 | }
|
---|
| 989 |
|
---|
| 990 | /** @interface_method_impl{PDMIMEDIA,pfnGetType} */
|
---|
| 991 | static DECLCALLBACK(PDMMEDIATYPE) drvdiskintGetType(PPDMIMEDIA pInterface)
|
---|
| 992 | {
|
---|
| 993 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 994 | return pThis->pDrvMedia->pfnGetType(pThis->pDrvMedia);
|
---|
| 995 | }
|
---|
| 996 |
|
---|
[62956] | 997 | /** @interface_method_impl{PDMIMEDIA,pfnBiosGetPCHSGeometry} */
|
---|
[27558] | 998 | static DECLCALLBACK(int) drvdiskintBiosGetPCHSGeometry(PPDMIMEDIA pInterface,
|
---|
| 999 | PPDMMEDIAGEOMETRY pPCHSGeometry)
|
---|
| 1000 | {
|
---|
| 1001 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1002 | return pThis->pDrvMedia->pfnBiosGetPCHSGeometry(pThis->pDrvMedia, pPCHSGeometry);
|
---|
| 1003 | }
|
---|
| 1004 |
|
---|
[62956] | 1005 | /** @interface_method_impl{PDMIMEDIA,pfnBiosSetPCHSGeometry} */
|
---|
[27558] | 1006 | static DECLCALLBACK(int) drvdiskintBiosSetPCHSGeometry(PPDMIMEDIA pInterface,
|
---|
| 1007 | PCPDMMEDIAGEOMETRY pPCHSGeometry)
|
---|
| 1008 | {
|
---|
| 1009 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1010 | return pThis->pDrvMedia->pfnBiosSetPCHSGeometry(pThis->pDrvMedia, pPCHSGeometry);
|
---|
| 1011 | }
|
---|
| 1012 |
|
---|
[62956] | 1013 | /** @interface_method_impl{PDMIMEDIA,pfnBiosGetLCHSGeometry} */
|
---|
[27558] | 1014 | static DECLCALLBACK(int) drvdiskintBiosGetLCHSGeometry(PPDMIMEDIA pInterface,
|
---|
| 1015 | PPDMMEDIAGEOMETRY pLCHSGeometry)
|
---|
| 1016 | {
|
---|
| 1017 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1018 | return pThis->pDrvMedia->pfnBiosGetLCHSGeometry(pThis->pDrvMedia, pLCHSGeometry);
|
---|
| 1019 | }
|
---|
| 1020 |
|
---|
[62956] | 1021 | /** @interface_method_impl{PDMIMEDIA,pfnBiosSetLCHSGeometry} */
|
---|
[27558] | 1022 | static DECLCALLBACK(int) drvdiskintBiosSetLCHSGeometry(PPDMIMEDIA pInterface,
|
---|
| 1023 | PCPDMMEDIAGEOMETRY pLCHSGeometry)
|
---|
| 1024 | {
|
---|
| 1025 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1026 | return pThis->pDrvMedia->pfnBiosSetLCHSGeometry(pThis->pDrvMedia, pLCHSGeometry);
|
---|
| 1027 | }
|
---|
| 1028 |
|
---|
[62956] | 1029 | /** @interface_method_impl{PDMIMEDIA,pfnGetUuid} */
|
---|
[27558] | 1030 | static DECLCALLBACK(int) drvdiskintGetUuid(PPDMIMEDIA pInterface, PRTUUID pUuid)
|
---|
| 1031 | {
|
---|
| 1032 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1033 | return pThis->pDrvMedia->pfnGetUuid(pThis->pDrvMedia, pUuid);
|
---|
| 1034 | }
|
---|
| 1035 |
|
---|
[62956] | 1036 | /** @interface_method_impl{PDMIMEDIA,pfnGetSectorSize} */
|
---|
[51619] | 1037 | static DECLCALLBACK(uint32_t) drvdiskintGetSectorSize(PPDMIMEDIA pInterface)
|
---|
| 1038 | {
|
---|
| 1039 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1040 | return pThis->pDrvMedia->pfnGetSectorSize(pThis->pDrvMedia);
|
---|
| 1041 | }
|
---|
| 1042 |
|
---|
[62956] | 1043 | /** @interface_method_impl{PDMIMEDIA,pfnDiscard} */
|
---|
[39518] | 1044 | static DECLCALLBACK(int) drvdiskintDiscard(PPDMIMEDIA pInterface, PCRTRANGE paRanges, unsigned cRanges)
|
---|
[38631] | 1045 | {
|
---|
| 1046 | int rc = VINF_SUCCESS;
|
---|
| 1047 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1048 |
|
---|
| 1049 | rc = pThis->pDrvMedia->pfnDiscard(pThis->pDrvMedia, paRanges, cRanges);
|
---|
[72312] | 1050 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)paRanges, rc, NULL);
|
---|
[38631] | 1051 |
|
---|
[38670] | 1052 | if (pThis->fCheckConsistency)
|
---|
| 1053 | rc = drvdiskintDiscardRecords(pThis, paRanges, cRanges);
|
---|
| 1054 |
|
---|
[38631] | 1055 | return rc;
|
---|
| 1056 | }
|
---|
| 1057 |
|
---|
[62956] | 1058 | /** @interface_method_impl{PDMIMEDIA,pfnReadPcBios} */
|
---|
[57527] | 1059 | static DECLCALLBACK(int) drvdiskintReadPcBios(PPDMIMEDIA pInterface,
|
---|
| 1060 | uint64_t off, void *pvBuf, size_t cbRead)
|
---|
| 1061 | {
|
---|
| 1062 | LogFlowFunc(("\n"));
|
---|
| 1063 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1064 |
|
---|
| 1065 | return pThis->pDrvMedia->pfnReadPcBios(pThis->pDrvMedia, off, pvBuf, cbRead);
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
[64724] | 1068 | /** @interface_method_impl{PDMIMEDIA,pfnIsNonRotational} */
|
---|
| 1069 | static DECLCALLBACK(bool) drvdiskintIsNonRotational(PPDMIMEDIA pInterface)
|
---|
| 1070 | {
|
---|
| 1071 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1072 | return pThis->pDrvMedia->pfnIsNonRotational(pThis->pDrvMedia);
|
---|
| 1073 | }
|
---|
| 1074 |
|
---|
[83042] | 1075 | /** @interface_method_impl{PDMIMEDIA,pfnGetRegionCount} */
|
---|
| 1076 | static DECLCALLBACK(uint32_t) drvdiskintGetRegionCount(PPDMIMEDIA pInterface)
|
---|
| 1077 | {
|
---|
| 1078 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1079 | return pThis->pDrvMedia->pfnGetRegionCount(pThis->pDrvMedia);
|
---|
| 1080 | }
|
---|
| 1081 |
|
---|
| 1082 | /** @interface_method_impl{PDMIMEDIA,pfnQueryRegionProperties} */
|
---|
| 1083 | static DECLCALLBACK(int) drvdiskintQueryRegionProperties(PPDMIMEDIA pInterface, uint32_t uRegion, uint64_t *pu64LbaStart,
|
---|
| 1084 | uint64_t *pcBlocks, uint64_t *pcbBlock,
|
---|
| 1085 | PVDREGIONDATAFORM penmDataForm)
|
---|
| 1086 | {
|
---|
| 1087 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1088 | return pThis->pDrvMedia->pfnQueryRegionProperties(pThis->pDrvMedia, uRegion, pu64LbaStart, pcBlocks, pcbBlock, penmDataForm);
|
---|
| 1089 | }
|
---|
| 1090 |
|
---|
| 1091 | /** @interface_method_impl{PDMIMEDIA,pfnQueryRegionPropertiesForLba} */
|
---|
| 1092 | static DECLCALLBACK(int) drvdiskintQueryRegionPropertiesForLba(PPDMIMEDIA pInterface, uint64_t u64LbaStart,
|
---|
| 1093 | uint32_t *puRegion, uint64_t *pcBlocks,
|
---|
| 1094 | uint64_t *pcbBlock, PVDREGIONDATAFORM penmDataForm)
|
---|
| 1095 | {
|
---|
| 1096 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1097 | return pThis->pDrvMedia->pfnQueryRegionPropertiesForLba(pThis->pDrvMedia, u64LbaStart, puRegion, pcBlocks, pcbBlock, penmDataForm);
|
---|
| 1098 | }
|
---|
| 1099 |
|
---|
[34433] | 1100 | /* -=-=-=-=- IMediaPort -=-=-=-=- */
|
---|
| 1101 |
|
---|
| 1102 | /** Makes a PDRVBLOCK out of a PPDMIMEDIAPORT. */
|
---|
[73097] | 1103 | #define PDMIMEDIAPORT_2_DRVDISKINTEGRITY(pInterface) ( (PDRVDISKINTEGRITY((uintptr_t)pInterface - RT_UOFFSETOF(DRVDISKINTEGRITY, IMediaPort))) )
|
---|
[34433] | 1104 |
|
---|
| 1105 | /**
|
---|
| 1106 | * @interface_method_impl{PDMIMEDIAPORT,pfnQueryDeviceLocation}
|
---|
| 1107 | */
|
---|
| 1108 | static DECLCALLBACK(int) drvdiskintQueryDeviceLocation(PPDMIMEDIAPORT pInterface, const char **ppcszController,
|
---|
| 1109 | uint32_t *piInstance, uint32_t *piLUN)
|
---|
| 1110 | {
|
---|
| 1111 | PDRVDISKINTEGRITY pThis = PDMIMEDIAPORT_2_DRVDISKINTEGRITY(pInterface);
|
---|
| 1112 |
|
---|
| 1113 | return pThis->pDrvMediaPort->pfnQueryDeviceLocation(pThis->pDrvMediaPort, ppcszController,
|
---|
| 1114 | piInstance, piLUN);
|
---|
| 1115 | }
|
---|
| 1116 |
|
---|
[63700] | 1117 | /* -=-=-=-=- IMediaExPort -=-=-=-=- */
|
---|
| 1118 |
|
---|
| 1119 | /**
|
---|
| 1120 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCompleteNotify}
|
---|
| 1121 | */
|
---|
| 1122 | static DECLCALLBACK(int) drvdiskintIoReqCompleteNotify(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1123 | void *pvIoReqAlloc, int rcReq)
|
---|
| 1124 | {
|
---|
| 1125 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
[65703] | 1126 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
[63727] | 1127 | int rc = VINF_SUCCESS;
|
---|
| 1128 |
|
---|
| 1129 | LogFlowFunc(("pIoReq=%#p\n", pIoReq));
|
---|
| 1130 |
|
---|
| 1131 | /* Remove from the active list. */
|
---|
| 1132 | if (pThis->fTraceRequests)
|
---|
| 1133 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
| 1134 |
|
---|
| 1135 | if (RT_SUCCESS(rcReq) && pThis->fCheckConsistency)
|
---|
| 1136 | {
|
---|
| 1137 | if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
| 1138 | rc = drvdiskintReadVerify(pThis, &pIoReq->IoSeg, 1, pIoReq->off, pIoReq->cbTransfer);
|
---|
| 1139 | else if ( pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE
|
---|
| 1140 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
| 1141 | rc = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, pIoReq->off, pIoReq->cbTransfer);
|
---|
| 1142 | else if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_DISCARD)
|
---|
| 1143 | rc = drvdiskintDiscardRecords(pThis, pIoReq->paRanges, pIoReq->cRanges);
|
---|
| 1144 | else if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ_AFTER_WRITE)
|
---|
| 1145 | rc = drvdiskintReadAfterWriteVerify(pThis, pIoReq);
|
---|
| 1146 | else
|
---|
| 1147 | AssertMsg( pIoReq->enmTxDir == DRVDISKAIOTXDIR_FLUSH
|
---|
| 1148 | || ( pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE
|
---|
| 1149 | && pThis->fRecordWriteBeforeCompletion), ("Huh?\n"));
|
---|
| 1150 |
|
---|
| 1151 | AssertRC(rc);
|
---|
| 1152 | }
|
---|
| 1153 |
|
---|
| 1154 | if ( RT_SUCCESS(rcReq)
|
---|
| 1155 | && pThis->fValidateMemBufs
|
---|
| 1156 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
| 1157 | {
|
---|
| 1158 | /* Check that the guest memory buffer matches what was written. */
|
---|
| 1159 | RTSGSEG SegCmp;
|
---|
| 1160 | SegCmp.pvSeg = RTMemAlloc(pIoReq->cbTransfer);
|
---|
| 1161 | SegCmp.cbSeg = pIoReq->cbTransfer;
|
---|
| 1162 |
|
---|
| 1163 | RTSGBUF SgBufCmp;
|
---|
| 1164 | RTSgBufInit(&SgBufCmp, &SegCmp, 1);
|
---|
[65703] | 1165 | rc = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1166 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
[63727] | 1167 | 0, &SgBufCmp, pIoReq->cbTransfer);
|
---|
| 1168 | AssertRC(rc);
|
---|
| 1169 |
|
---|
| 1170 | RTSGBUF SgBuf;
|
---|
| 1171 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
| 1172 | if (RTSgBufCmp(&SgBuf, &SgBufCmp, pIoReq->cbTransfer))
|
---|
| 1173 | {
|
---|
| 1174 | RTMsgError("Corrupted memory buffer at offset %llu!\n", 0);
|
---|
| 1175 | RTAssertDebugBreak();
|
---|
| 1176 | }
|
---|
| 1177 |
|
---|
| 1178 | RTMemFree(SegCmp.pvSeg);
|
---|
| 1179 | }
|
---|
| 1180 |
|
---|
| 1181 | if (pThis->hIoLogger)
|
---|
| 1182 | {
|
---|
| 1183 | RTSGBUF SgBuf;
|
---|
| 1184 |
|
---|
| 1185 | if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
| 1186 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
[72312] | 1187 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rcReq, &SgBuf);
|
---|
[63727] | 1188 | }
|
---|
| 1189 |
|
---|
| 1190 | if ( pThis->fReadAfterWrite
|
---|
| 1191 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE)
|
---|
| 1192 | {
|
---|
| 1193 | #if 0 /** @todo */
|
---|
| 1194 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_READ_AFTER_WRITE;
|
---|
| 1195 |
|
---|
| 1196 | /* Add again because it was removed above. */
|
---|
| 1197 | if (pThis->fTraceRequests)
|
---|
| 1198 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
| 1199 |
|
---|
| 1200 | rc = pThis->pDrvMediaAsync->pfnStartRead(pThis->pDrvMediaAsync, pIoReq->off, pIoReq->paSeg, pIoReq->cSeg,
|
---|
| 1201 | pIoReq->cbTransfer, pIoReq);
|
---|
| 1202 | if (rc == VINF_VD_ASYNC_IO_FINISHED)
|
---|
| 1203 | {
|
---|
| 1204 | rc = drvdiskintReadAfterWriteVerify(pThis, pIoReq);
|
---|
| 1205 |
|
---|
| 1206 | if (pThis->fTraceRequests)
|
---|
| 1207 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
| 1208 | RTMemFree(pIoReq);
|
---|
| 1209 | }
|
---|
| 1210 | else if (rc == VERR_VD_ASYNC_IO_IN_PROGRESS)
|
---|
| 1211 | rc = VINF_SUCCESS;
|
---|
| 1212 | else if (RT_FAILURE(rc))
|
---|
| 1213 | RTMemFree(pIoReq);
|
---|
| 1214 | #endif
|
---|
| 1215 | }
|
---|
| 1216 | else
|
---|
| 1217 | {
|
---|
[65703] | 1218 | rc = pThis->pDrvMediaExPort->pfnIoReqCompleteNotify(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1219 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
| 1220 | rcReq);
|
---|
[63727] | 1221 | /* Put on the watch list. */
|
---|
| 1222 | if (pThis->fCheckDoubleCompletion)
|
---|
| 1223 | drvdiskintIoReqCheckForDoubleCompletion(pThis, pIoReq, true /* fMediaEx */);
|
---|
| 1224 | }
|
---|
| 1225 |
|
---|
| 1226 | return rc;
|
---|
[63700] | 1227 | }
|
---|
| 1228 |
|
---|
| 1229 | /**
|
---|
| 1230 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyFromBuf}
|
---|
| 1231 | */
|
---|
| 1232 | static DECLCALLBACK(int) drvdiskintIoReqCopyFromBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1233 | void *pvIoReqAlloc, uint32_t offDst, PRTSGBUF pSgBuf,
|
---|
| 1234 | size_t cbCopy)
|
---|
| 1235 | {
|
---|
| 1236 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
[65703] | 1237 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
[63727] | 1238 | RTSGBUF SgBuf;
|
---|
| 1239 |
|
---|
| 1240 | RTSgBufClone(&SgBuf, pSgBuf);
|
---|
| 1241 |
|
---|
[65703] | 1242 | int rc = pThis->pDrvMediaExPort->pfnIoReqCopyFromBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1243 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
| 1244 | offDst, pSgBuf, cbCopy);
|
---|
[63727] | 1245 | if ( RT_SUCCESS(rc)
|
---|
| 1246 | && pIoReq->IoSeg.pvSeg)
|
---|
| 1247 | {
|
---|
| 1248 | /* Update our copy. */
|
---|
| 1249 | RTSgBufCopyToBuf(&SgBuf, (uint8_t *)pIoReq->IoSeg.pvSeg + offDst, cbCopy);
|
---|
[65479] | 1250 |
|
---|
| 1251 | /* Validate the just read data against our copy if possible. */
|
---|
| 1252 | if ( pThis->fValidateMemBufs
|
---|
| 1253 | && pThis->fCheckConsistency
|
---|
| 1254 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
| 1255 | {
|
---|
| 1256 | RTSGSEG Seg;
|
---|
| 1257 |
|
---|
| 1258 | Seg.pvSeg = (uint8_t *)pIoReq->IoSeg.pvSeg + offDst;
|
---|
| 1259 | Seg.cbSeg = cbCopy;
|
---|
| 1260 |
|
---|
| 1261 | rc = drvdiskintReadVerify(pThis, &Seg, 1, pIoReq->off + offDst,
|
---|
| 1262 | cbCopy);
|
---|
| 1263 | }
|
---|
[63727] | 1264 | }
|
---|
| 1265 |
|
---|
| 1266 | return rc;
|
---|
[63700] | 1267 | }
|
---|
| 1268 |
|
---|
| 1269 | /**
|
---|
| 1270 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyToBuf}
|
---|
| 1271 | */
|
---|
| 1272 | static DECLCALLBACK(int) drvdiskintIoReqCopyToBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1273 | void *pvIoReqAlloc, uint32_t offSrc, PRTSGBUF pSgBuf,
|
---|
| 1274 | size_t cbCopy)
|
---|
| 1275 | {
|
---|
| 1276 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
[65703] | 1277 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
[63727] | 1278 | RTSGBUF SgBuf;
|
---|
| 1279 |
|
---|
| 1280 | RTSgBufClone(&SgBuf, pSgBuf);
|
---|
| 1281 |
|
---|
[65703] | 1282 | int rc = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1283 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
| 1284 | offSrc, pSgBuf, cbCopy);
|
---|
[63727] | 1285 | if ( RT_SUCCESS(rc)
|
---|
| 1286 | && pIoReq->IoSeg.pvSeg)
|
---|
| 1287 | {
|
---|
| 1288 | if (pThis->fValidateMemBufs)
|
---|
| 1289 | {
|
---|
| 1290 | /* Make sure what the caller requested matches what we got earlier. */
|
---|
| 1291 | RTSGBUF SgBufCmp;
|
---|
| 1292 | RTSgBufInit(&SgBufCmp, &pIoReq->IoSeg, 1);
|
---|
| 1293 | RTSgBufAdvance(&SgBufCmp, offSrc);
|
---|
| 1294 |
|
---|
| 1295 | if (RTSgBufCmp(&SgBuf, &SgBufCmp, cbCopy))
|
---|
| 1296 | {
|
---|
| 1297 | RTMsgError("Corrupted memory buffer at offset %llu!\n", offSrc);
|
---|
| 1298 | RTAssertDebugBreak();
|
---|
| 1299 | }
|
---|
| 1300 | }
|
---|
| 1301 | else
|
---|
| 1302 | {
|
---|
| 1303 | /* Update our copy. */
|
---|
| 1304 | RTSgBufCopyToBuf(&SgBuf, (uint8_t *)pIoReq->IoSeg.pvSeg + offSrc, cbCopy);
|
---|
| 1305 | }
|
---|
| 1306 | }
|
---|
| 1307 |
|
---|
| 1308 | return rc;
|
---|
[63700] | 1309 | }
|
---|
| 1310 |
|
---|
| 1311 | /**
|
---|
[63997] | 1312 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqQueryDiscardRanges}
|
---|
| 1313 | */
|
---|
| 1314 | static DECLCALLBACK(int) drvdiskintIoReqQueryDiscardRanges(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1315 | void *pvIoReqAlloc, uint32_t idxRangeStart,
|
---|
| 1316 | uint32_t cRanges, PRTRANGE paRanges,
|
---|
| 1317 | uint32_t *pcRanges)
|
---|
| 1318 | {
|
---|
| 1319 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
[65703] | 1320 | return pThis->pDrvMediaExPort->pfnIoReqQueryDiscardRanges(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1321 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
| 1322 | idxRangeStart, cRanges, paRanges, pcRanges);
|
---|
[63997] | 1323 | }
|
---|
| 1324 |
|
---|
| 1325 | /**
|
---|
[63700] | 1326 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqStateChanged}
|
---|
| 1327 | */
|
---|
| 1328 | static DECLCALLBACK(void) drvdiskintIoReqStateChanged(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1329 | void *pvIoReqAlloc, PDMMEDIAEXIOREQSTATE enmState)
|
---|
| 1330 | {
|
---|
| 1331 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
[65703] | 1332 | pThis->pDrvMediaExPort->pfnIoReqStateChanged(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1333 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
| 1334 | enmState);
|
---|
[63700] | 1335 | }
|
---|
| 1336 |
|
---|
| 1337 | /* -=-=-=-=- IMediaEx -=-=-=-=- */
|
---|
| 1338 |
|
---|
| 1339 | /**
|
---|
[64724] | 1340 | * @interface_method_impl{PDMIMEDIAEX,pfnQueryFeatures}
|
---|
| 1341 | */
|
---|
| 1342 | static DECLCALLBACK(int) drvdiskintQueryFeatures(PPDMIMEDIAEX pInterface, uint32_t *pfFeatures)
|
---|
| 1343 | {
|
---|
| 1344 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1345 | return pThis->pDrvMediaEx->pfnQueryFeatures(pThis->pDrvMediaEx, pfFeatures);
|
---|
| 1346 | }
|
---|
| 1347 |
|
---|
| 1348 | /**
|
---|
[83042] | 1349 | * @interface_method_impl{PDMIMEDIAEX,pfnNotifySuspend}
|
---|
| 1350 | */
|
---|
| 1351 | static DECLCALLBACK(void) drvdiskintNotifySuspend(PPDMIMEDIAEX pInterface)
|
---|
| 1352 | {
|
---|
| 1353 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1354 | return pThis->pDrvMediaEx->pfnNotifySuspend(pThis->pDrvMediaEx);
|
---|
| 1355 | }
|
---|
| 1356 |
|
---|
| 1357 | /**
|
---|
[63700] | 1358 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqAllocSizeSet}
|
---|
| 1359 | */
|
---|
| 1360 | static DECLCALLBACK(int) drvdiskintIoReqAllocSizeSet(PPDMIMEDIAEX pInterface, size_t cbIoReqAlloc)
|
---|
| 1361 | {
|
---|
| 1362 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[63727] | 1363 |
|
---|
[65703] | 1364 | /* Increase the amount by the size of a pointer to our private tracking structure. */
|
---|
| 1365 | cbIoReqAlloc += sizeof(PDRVDISKAIOREQ);
|
---|
[63727] | 1366 |
|
---|
| 1367 | pThis->fCheckDoubleCompletion = false;
|
---|
| 1368 |
|
---|
[63700] | 1369 | return pThis->pDrvMediaEx->pfnIoReqAllocSizeSet(pThis->pDrvMediaEx, cbIoReqAlloc);
|
---|
| 1370 | }
|
---|
| 1371 |
|
---|
| 1372 | /**
|
---|
| 1373 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqAlloc}
|
---|
| 1374 | */
|
---|
| 1375 | static DECLCALLBACK(int) drvdiskintIoReqAlloc(PPDMIMEDIAEX pInterface, PPDMMEDIAEXIOREQ phIoReq, void **ppvIoReqAlloc,
|
---|
| 1376 | PDMMEDIAEXIOREQID uIoReqId, uint32_t fFlags)
|
---|
| 1377 | {
|
---|
| 1378 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[65703] | 1379 | int rc = VINF_SUCCESS;
|
---|
| 1380 | PDRVDISKAIOREQ pIoReq = (PDRVDISKAIOREQ)RTMemCacheAlloc(pThis->hReqCache);
|
---|
| 1381 | if (RT_LIKELY(pIoReq))
|
---|
[63727] | 1382 | {
|
---|
| 1383 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_INVALID;
|
---|
| 1384 | pIoReq->off = 0;
|
---|
| 1385 | pIoReq->cbTransfer = 0;
|
---|
| 1386 | pIoReq->paSeg = NULL;
|
---|
| 1387 | pIoReq->cSeg = 0;
|
---|
| 1388 | pIoReq->pvUser = NULL;
|
---|
| 1389 | pIoReq->iSlot = 0;
|
---|
| 1390 | pIoReq->tsStart = 0;
|
---|
| 1391 | pIoReq->tsComplete = 0;
|
---|
| 1392 | pIoReq->IoSeg.pvSeg = NULL;
|
---|
| 1393 | pIoReq->IoSeg.cbSeg = 0;
|
---|
| 1394 |
|
---|
[65703] | 1395 | PDRVDISKAIOREQ *ppIoReq = NULL;
|
---|
| 1396 | rc = pThis->pDrvMediaEx->pfnIoReqAlloc(pThis->pDrvMediaEx, phIoReq, (void **)&ppIoReq, uIoReqId, fFlags);
|
---|
| 1397 | if RT_SUCCESS(rc)
|
---|
| 1398 | {
|
---|
| 1399 | /*
|
---|
| 1400 | * Store the size off the start of our tracking structure because it is
|
---|
| 1401 | * required to access it for the read/write callbacks.
|
---|
| 1402 | *
|
---|
| 1403 | * ASSUMPTION that the offset is constant.
|
---|
| 1404 | */
|
---|
| 1405 | if (!pThis->cbIoReqOpaque)
|
---|
| 1406 | pThis->cbIoReqOpaque = (uintptr_t)ppIoReq - (uintptr_t)*phIoReq;
|
---|
| 1407 | else
|
---|
| 1408 | Assert(pThis->cbIoReqOpaque == (uintptr_t)ppIoReq - (uintptr_t)*phIoReq);
|
---|
| 1409 |
|
---|
| 1410 | *ppIoReq = pIoReq;
|
---|
| 1411 | *ppvIoReqAlloc = ((uint8_t *)ppIoReq) + sizeof(PDRVDISKAIOREQ);
|
---|
| 1412 | }
|
---|
[63727] | 1413 | else
|
---|
[65703] | 1414 | RTMemCacheFree(pThis->hReqCache, pIoReq);
|
---|
[63727] | 1415 | }
|
---|
[65703] | 1416 | else
|
---|
| 1417 | rc = VERR_NO_MEMORY;
|
---|
[63727] | 1418 |
|
---|
| 1419 | return rc;
|
---|
[63700] | 1420 | }
|
---|
| 1421 |
|
---|
| 1422 | /**
|
---|
| 1423 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqFree}
|
---|
| 1424 | */
|
---|
| 1425 | static DECLCALLBACK(int) drvdiskintIoReqFree(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq)
|
---|
| 1426 | {
|
---|
| 1427 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[65703] | 1428 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
[63727] | 1429 |
|
---|
| 1430 | if (pIoReq->IoSeg.pvSeg)
|
---|
| 1431 | RTMemFree(pIoReq->IoSeg.pvSeg);
|
---|
| 1432 |
|
---|
[63700] | 1433 | return pThis->pDrvMediaEx->pfnIoReqFree(pThis->pDrvMediaEx, hIoReq);
|
---|
| 1434 | }
|
---|
| 1435 |
|
---|
| 1436 | /**
|
---|
[64724] | 1437 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQueryResidual}
|
---|
| 1438 | */
|
---|
| 1439 | static DECLCALLBACK(int) drvdiskintIoReqQueryResidual(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, size_t *pcbResidual)
|
---|
| 1440 | {
|
---|
| 1441 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1442 | return pThis->pDrvMediaEx->pfnIoReqQueryResidual(pThis->pDrvMediaEx, hIoReq, pcbResidual);
|
---|
| 1443 | }
|
---|
| 1444 |
|
---|
| 1445 | /**
|
---|
| 1446 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQueryXferSize}
|
---|
| 1447 | */
|
---|
| 1448 | static DECLCALLBACK(int) drvdiskintIoReqQueryXferSize(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, size_t *pcbXfer)
|
---|
| 1449 | {
|
---|
| 1450 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1451 | return pThis->pDrvMediaEx->pfnIoReqQueryXferSize(pThis->pDrvMediaEx, hIoReq, pcbXfer);
|
---|
| 1452 | }
|
---|
| 1453 |
|
---|
| 1454 | /**
|
---|
| 1455 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqCancelAll}
|
---|
| 1456 | */
|
---|
| 1457 | static DECLCALLBACK(int) drvdiskintIoReqCancelAll(PPDMIMEDIAEX pInterface)
|
---|
| 1458 | {
|
---|
| 1459 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1460 | return pThis->pDrvMediaEx->pfnIoReqCancelAll(pThis->pDrvMediaEx);
|
---|
| 1461 | }
|
---|
| 1462 |
|
---|
| 1463 | /**
|
---|
[63700] | 1464 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqCancel}
|
---|
| 1465 | */
|
---|
| 1466 | static DECLCALLBACK(int) drvdiskintIoReqCancel(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQID uIoReqId)
|
---|
| 1467 | {
|
---|
| 1468 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1469 | return pThis->pDrvMediaEx->pfnIoReqCancel(pThis->pDrvMediaEx, uIoReqId);
|
---|
| 1470 | }
|
---|
| 1471 |
|
---|
| 1472 | /**
|
---|
| 1473 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqRead}
|
---|
| 1474 | */
|
---|
| 1475 | static DECLCALLBACK(int) drvdiskintIoReqRead(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, uint64_t off, size_t cbRead)
|
---|
| 1476 | {
|
---|
| 1477 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[65703] | 1478 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
[63727] | 1479 |
|
---|
| 1480 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_READ;
|
---|
| 1481 | pIoReq->off = off;
|
---|
| 1482 | pIoReq->cbTransfer = cbRead;
|
---|
| 1483 |
|
---|
| 1484 | /* Allocate a I/O buffer if the I/O is verified.*/
|
---|
| 1485 | if (pThis->fCheckConsistency)
|
---|
| 1486 | {
|
---|
| 1487 | pIoReq->IoSeg.pvSeg = RTMemAlloc(cbRead);
|
---|
| 1488 | pIoReq->IoSeg.cbSeg = cbRead;
|
---|
| 1489 | }
|
---|
| 1490 |
|
---|
| 1491 | if (pThis->fTraceRequests)
|
---|
| 1492 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
| 1493 |
|
---|
[72336] | 1494 | drvdiskintTraceLogFireEvtRead(pThis, (uintptr_t)hIoReq, true /* fAsync */, off, cbRead);
|
---|
[63727] | 1495 | int rc = pThis->pDrvMediaEx->pfnIoReqRead(pThis->pDrvMediaEx, hIoReq, off, cbRead);
|
---|
| 1496 | if (rc == VINF_SUCCESS)
|
---|
| 1497 | {
|
---|
| 1498 | /* Verify the read now. */
|
---|
| 1499 | if (pThis->fCheckConsistency)
|
---|
| 1500 | {
|
---|
| 1501 | int rc2 = drvdiskintReadVerify(pThis, &pIoReq->IoSeg, 1, off, cbRead);
|
---|
| 1502 | AssertRC(rc2);
|
---|
| 1503 | }
|
---|
| 1504 |
|
---|
| 1505 | if (pThis->hIoLogger)
|
---|
| 1506 | {
|
---|
| 1507 | RTSGBUF SgBuf;
|
---|
| 1508 |
|
---|
| 1509 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
[72312] | 1510 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, &SgBuf);
|
---|
[63727] | 1511 | }
|
---|
| 1512 |
|
---|
| 1513 | if (pThis->fTraceRequests)
|
---|
| 1514 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
| 1515 | }
|
---|
[72310] | 1516 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
[72312] | 1517 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
[63727] | 1518 |
|
---|
| 1519 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
| 1520 | return rc;
|
---|
[63700] | 1521 | }
|
---|
| 1522 |
|
---|
| 1523 | /**
|
---|
| 1524 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqWrite}
|
---|
| 1525 | */
|
---|
| 1526 | static DECLCALLBACK(int) drvdiskintIoReqWrite(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, uint64_t off, size_t cbWrite)
|
---|
| 1527 | {
|
---|
| 1528 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[65703] | 1529 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
[63727] | 1530 |
|
---|
| 1531 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_WRITE;
|
---|
| 1532 | pIoReq->off = off;
|
---|
| 1533 | pIoReq->cbTransfer = cbWrite;
|
---|
| 1534 |
|
---|
| 1535 | /* Allocate a I/O buffer if the I/O is verified.*/
|
---|
| 1536 | if ( pThis->fCheckConsistency
|
---|
| 1537 | || pThis->fValidateMemBufs
|
---|
| 1538 | || pThis->hIoLogger
|
---|
| 1539 | || pThis->fRecordWriteBeforeCompletion)
|
---|
| 1540 | {
|
---|
| 1541 | pIoReq->IoSeg.pvSeg = RTMemAlloc(cbWrite);
|
---|
| 1542 | pIoReq->IoSeg.cbSeg = cbWrite;
|
---|
| 1543 |
|
---|
| 1544 | /* Sync the memory buffer over if we should validate it. */
|
---|
| 1545 | if ( pThis->fValidateMemBufs
|
---|
| 1546 | || pThis->hIoLogger
|
---|
| 1547 | || pThis->fRecordWriteBeforeCompletion)
|
---|
| 1548 | {
|
---|
| 1549 | RTSGBUF SgBuf;
|
---|
| 1550 |
|
---|
| 1551 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
[65703] | 1552 | int rc2 = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
| 1553 | DISKINTEGRITY_IOREQ_HANDLE_2_UPPER_OPAQUE(pThis, hIoReq),
|
---|
| 1554 | 0, &SgBuf, cbWrite);
|
---|
[63727] | 1555 | AssertRC(rc2);
|
---|
| 1556 | }
|
---|
| 1557 | }
|
---|
| 1558 |
|
---|
| 1559 | if (pThis->fTraceRequests)
|
---|
| 1560 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
| 1561 |
|
---|
[72336] | 1562 | drvdiskintTraceLogFireEvtWrite(pThis, (uintptr_t)hIoReq, true /* fAsync */, off, cbWrite);
|
---|
[63727] | 1563 | if (pThis->fRecordWriteBeforeCompletion)
|
---|
| 1564 | {
|
---|
| 1565 |
|
---|
| 1566 | int rc2 = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, off, cbWrite);
|
---|
| 1567 | AssertRC(rc2);
|
---|
| 1568 | }
|
---|
| 1569 |
|
---|
| 1570 | int rc = pThis->pDrvMediaEx->pfnIoReqWrite(pThis->pDrvMediaEx, hIoReq, off, cbWrite);
|
---|
| 1571 | if (rc == VINF_SUCCESS)
|
---|
| 1572 | {
|
---|
| 1573 | /* Record the write. */
|
---|
| 1574 | if ( pThis->fCheckConsistency
|
---|
| 1575 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
| 1576 | {
|
---|
| 1577 | int rc2 = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, off, cbWrite);
|
---|
| 1578 | AssertRC(rc2);
|
---|
| 1579 | }
|
---|
| 1580 |
|
---|
[72310] | 1581 | RTSGBUF SgBuf;
|
---|
| 1582 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
[72312] | 1583 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, &SgBuf);
|
---|
[63727] | 1584 | if (pThis->fTraceRequests)
|
---|
| 1585 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
| 1586 | }
|
---|
[72310] | 1587 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
[72312] | 1588 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
[63727] | 1589 |
|
---|
| 1590 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
| 1591 | return rc;
|
---|
[63700] | 1592 | }
|
---|
| 1593 |
|
---|
| 1594 | /**
|
---|
| 1595 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqFlush}
|
---|
| 1596 | */
|
---|
| 1597 | static DECLCALLBACK(int) drvdiskintIoReqFlush(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq)
|
---|
| 1598 | {
|
---|
| 1599 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[65703] | 1600 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
[63727] | 1601 |
|
---|
| 1602 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_FLUSH;
|
---|
| 1603 | pIoReq->off = 0;
|
---|
| 1604 | pIoReq->cbTransfer = 0;
|
---|
| 1605 |
|
---|
| 1606 | if (pThis->fTraceRequests)
|
---|
| 1607 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
| 1608 |
|
---|
[72336] | 1609 | drvdiskintTraceLogFireEvtFlush(pThis, (uintptr_t)hIoReq, true /* fAsync */);
|
---|
[63727] | 1610 | int rc = pThis->pDrvMediaEx->pfnIoReqFlush(pThis->pDrvMediaEx, hIoReq);
|
---|
| 1611 | if (rc == VINF_SUCCESS)
|
---|
[72312] | 1612 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
[72310] | 1613 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
[72312] | 1614 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
[63727] | 1615 |
|
---|
| 1616 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
| 1617 | return rc;
|
---|
[63700] | 1618 | }
|
---|
| 1619 |
|
---|
| 1620 | /**
|
---|
| 1621 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqDiscard}
|
---|
| 1622 | */
|
---|
[63997] | 1623 | static DECLCALLBACK(int) drvdiskintIoReqDiscard(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, unsigned cRangesMax)
|
---|
[63700] | 1624 | {
|
---|
| 1625 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
[63997] | 1626 | return pThis->pDrvMediaEx->pfnIoReqDiscard(pThis->pDrvMediaEx, hIoReq, cRangesMax);
|
---|
[63700] | 1627 | }
|
---|
| 1628 |
|
---|
| 1629 | /**
|
---|
| 1630 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqGetActiveCount}
|
---|
| 1631 | */
|
---|
| 1632 | static DECLCALLBACK(uint32_t) drvdiskintIoReqGetActiveCount(PPDMIMEDIAEX pInterface)
|
---|
| 1633 | {
|
---|
| 1634 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1635 | return pThis->pDrvMediaEx->pfnIoReqGetActiveCount(pThis->pDrvMediaEx);
|
---|
| 1636 | }
|
---|
| 1637 |
|
---|
| 1638 | /**
|
---|
| 1639 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqGetSuspendedCount}
|
---|
| 1640 | */
|
---|
| 1641 | static DECLCALLBACK(uint32_t) drvdiskintIoReqGetSuspendedCount(PPDMIMEDIAEX pInterface)
|
---|
| 1642 | {
|
---|
| 1643 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1644 | return pThis->pDrvMediaEx->pfnIoReqGetSuspendedCount(pThis->pDrvMediaEx);
|
---|
| 1645 | }
|
---|
| 1646 |
|
---|
| 1647 | /**
|
---|
| 1648 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQuerySuspendedStart}
|
---|
| 1649 | */
|
---|
| 1650 | static DECLCALLBACK(int) drvdiskintIoReqQuerySuspendedStart(PPDMIMEDIAEX pInterface, PPDMMEDIAEXIOREQ phIoReq, void **ppvIoReqAlloc)
|
---|
| 1651 | {
|
---|
| 1652 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1653 | return pThis->pDrvMediaEx->pfnIoReqQuerySuspendedStart(pThis->pDrvMediaEx, phIoReq, ppvIoReqAlloc);
|
---|
| 1654 | }
|
---|
| 1655 |
|
---|
| 1656 | /**
|
---|
| 1657 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQuerySuspendedNext}
|
---|
| 1658 | */
|
---|
| 1659 | static DECLCALLBACK(int) drvdiskintIoReqQuerySuspendedNext(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 1660 | PPDMMEDIAEXIOREQ phIoReqNext, void **ppvIoReqAllocNext)
|
---|
| 1661 | {
|
---|
| 1662 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1663 | return pThis->pDrvMediaEx->pfnIoReqQuerySuspendedNext(pThis->pDrvMediaEx, hIoReq, phIoReqNext, ppvIoReqAllocNext);
|
---|
| 1664 | }
|
---|
| 1665 |
|
---|
| 1666 | /**
|
---|
| 1667 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqSuspendedSave}
|
---|
| 1668 | */
|
---|
| 1669 | static DECLCALLBACK(int) drvdiskintIoReqSuspendedSave(PPDMIMEDIAEX pInterface, PSSMHANDLE pSSM, PDMMEDIAEXIOREQ hIoReq)
|
---|
| 1670 | {
|
---|
| 1671 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1672 | return pThis->pDrvMediaEx->pfnIoReqSuspendedSave(pThis->pDrvMediaEx, pSSM, hIoReq);
|
---|
| 1673 | }
|
---|
| 1674 |
|
---|
| 1675 | /**
|
---|
| 1676 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqSuspendedLoad}
|
---|
| 1677 | */
|
---|
| 1678 | static DECLCALLBACK(int) drvdiskintIoReqSuspendedLoad(PPDMIMEDIAEX pInterface, PSSMHANDLE pSSM, PDMMEDIAEXIOREQ hIoReq)
|
---|
| 1679 | {
|
---|
| 1680 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
| 1681 | return pThis->pDrvMediaEx->pfnIoReqSuspendedLoad(pThis->pDrvMediaEx, pSSM, hIoReq);
|
---|
| 1682 | }
|
---|
| 1683 |
|
---|
[73094] | 1684 | /* -=-=-=-=- IMount -=-=-=-=- */
|
---|
| 1685 |
|
---|
| 1686 | /** @interface_method_impl{PDMIMOUNT,pfnUnmount} */
|
---|
| 1687 | static DECLCALLBACK(int) drvdiskintUnmount(PPDMIMOUNT pInterface, bool fForce, bool fEject)
|
---|
| 1688 | {
|
---|
| 1689 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
| 1690 | return pThis->pDrvMount->pfnUnmount(pThis->pDrvMount, fForce, fEject);
|
---|
| 1691 | }
|
---|
| 1692 |
|
---|
| 1693 | /** @interface_method_impl{PDMIMOUNT,pfnIsMounted} */
|
---|
| 1694 | static DECLCALLBACK(bool) drvdiskintIsMounted(PPDMIMOUNT pInterface)
|
---|
| 1695 | {
|
---|
| 1696 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
| 1697 | return pThis->pDrvMount->pfnIsMounted(pThis->pDrvMount);
|
---|
| 1698 | }
|
---|
| 1699 |
|
---|
| 1700 | /** @interface_method_impl{PDMIMOUNT,pfnLock} */
|
---|
| 1701 | static DECLCALLBACK(int) drvdiskintLock(PPDMIMOUNT pInterface)
|
---|
| 1702 | {
|
---|
| 1703 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
| 1704 | return pThis->pDrvMount->pfnLock(pThis->pDrvMount);
|
---|
| 1705 | }
|
---|
| 1706 |
|
---|
| 1707 | /** @interface_method_impl{PDMIMOUNT,pfnUnlock} */
|
---|
| 1708 | static DECLCALLBACK(int) drvdiskintUnlock(PPDMIMOUNT pInterface)
|
---|
| 1709 | {
|
---|
| 1710 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
| 1711 | return pThis->pDrvMount->pfnUnlock(pThis->pDrvMount);
|
---|
| 1712 | }
|
---|
| 1713 |
|
---|
| 1714 | /** @interface_method_impl{PDMIMOUNT,pfnIsLocked} */
|
---|
| 1715 | static DECLCALLBACK(bool) drvdiskintIsLocked(PPDMIMOUNT pInterface)
|
---|
| 1716 | {
|
---|
| 1717 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
| 1718 | return pThis->pDrvMount->pfnIsLocked(pThis->pDrvMount);
|
---|
| 1719 | }
|
---|
| 1720 |
|
---|
| 1721 | /* -=-=-=-=- IMountNotify -=-=-=-=- */
|
---|
| 1722 |
|
---|
| 1723 | /** @interface_method_impl{PDMIMOUNTNOTIFY,pfnMountNotify} */
|
---|
| 1724 | static DECLCALLBACK(void) drvdiskintMountNotify(PPDMIMOUNTNOTIFY pInterface)
|
---|
| 1725 | {
|
---|
| 1726 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMountNotify);
|
---|
| 1727 | pThis->pDrvMountNotify->pfnMountNotify(pThis->pDrvMountNotify);
|
---|
| 1728 | }
|
---|
| 1729 |
|
---|
| 1730 | /** @interface_method_impl{PDMIMOUNTNOTIFY,pfnUnmountNotify} */
|
---|
| 1731 | static DECLCALLBACK(void) drvdiskintUnmountNotify(PPDMIMOUNTNOTIFY pInterface)
|
---|
| 1732 | {
|
---|
| 1733 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMountNotify);
|
---|
| 1734 | pThis->pDrvMountNotify->pfnUnmountNotify(pThis->pDrvMountNotify);
|
---|
| 1735 | }
|
---|
| 1736 |
|
---|
[27558] | 1737 | /* -=-=-=-=- IBase -=-=-=-=- */
|
---|
| 1738 |
|
---|
| 1739 | /**
|
---|
| 1740 | * @interface_method_impl{PDMIBASE,pfnQueryInterface}
|
---|
| 1741 | */
|
---|
| 1742 | static DECLCALLBACK(void *) drvdiskintQueryInterface(PPDMIBASE pInterface, const char *pszIID)
|
---|
| 1743 | {
|
---|
| 1744 | PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
|
---|
| 1745 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
| 1746 |
|
---|
| 1747 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
|
---|
| 1748 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIA, &pThis->IMedia);
|
---|
[34433] | 1749 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAPORT, &pThis->IMediaPort);
|
---|
[63700] | 1750 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEXPORT, &pThis->IMediaExPort);
|
---|
| 1751 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEX, pThis->pDrvMediaEx ? &pThis->IMediaEx : NULL);
|
---|
[73094] | 1752 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUNT, pThis->pDrvMount ? &pThis->IMount : NULL);
|
---|
| 1753 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUNTNOTIFY, &pThis->IMountNotify);
|
---|
[27558] | 1754 | return NULL;
|
---|
| 1755 | }
|
---|
| 1756 |
|
---|
| 1757 |
|
---|
| 1758 | /* -=-=-=-=- driver interface -=-=-=-=- */
|
---|
| 1759 |
|
---|
[63689] | 1760 | static DECLCALLBACK(int) drvdiskintTreeDestroy(PAVLRFOFFNODECORE pNode, void *pvUser)
|
---|
[27558] | 1761 | {
|
---|
| 1762 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)pNode;
|
---|
| 1763 |
|
---|
[63689] | 1764 | RT_NOREF(pvUser);
|
---|
| 1765 |
|
---|
[27558] | 1766 | RTMemFree(pSeg->pbSeg);
|
---|
| 1767 | RTMemFree(pSeg);
|
---|
| 1768 | return VINF_SUCCESS;
|
---|
| 1769 | }
|
---|
| 1770 |
|
---|
| 1771 | /**
|
---|
| 1772 | * @copydoc FNPDMDRVDESTRUCT
|
---|
| 1773 | */
|
---|
| 1774 | static DECLCALLBACK(void) drvdiskintDestruct(PPDMDRVINS pDrvIns)
|
---|
| 1775 | {
|
---|
| 1776 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
| 1777 |
|
---|
| 1778 | if (pThis->pTreeSegments)
|
---|
| 1779 | {
|
---|
| 1780 | RTAvlrFileOffsetDestroy(pThis->pTreeSegments, drvdiskintTreeDestroy, NULL);
|
---|
| 1781 | RTMemFree(pThis->pTreeSegments);
|
---|
| 1782 | }
|
---|
[28902] | 1783 |
|
---|
| 1784 | if (pThis->fTraceRequests)
|
---|
| 1785 | {
|
---|
| 1786 | pThis->fRunning = false;
|
---|
| 1787 | RTSemEventSignal(pThis->SemEvent);
|
---|
| 1788 | RTSemEventDestroy(pThis->SemEvent);
|
---|
| 1789 | }
|
---|
[29443] | 1790 |
|
---|
| 1791 | if (pThis->fCheckDoubleCompletion)
|
---|
| 1792 | {
|
---|
| 1793 | /* Free all requests */
|
---|
| 1794 | while (pThis->papIoReq[pThis->iEntry])
|
---|
| 1795 | {
|
---|
| 1796 | RTMemFree(pThis->papIoReq[pThis->iEntry]);
|
---|
| 1797 | pThis->papIoReq[pThis->iEntry] = NULL;
|
---|
| 1798 | pThis->iEntry = (pThis->iEntry+1) % pThis->cEntries;
|
---|
| 1799 | }
|
---|
| 1800 | }
|
---|
[38541] | 1801 |
|
---|
| 1802 | if (pThis->hIoLogger)
|
---|
[72310] | 1803 | RTTraceLogWrDestroy(pThis->hIoLogger);
|
---|
[65703] | 1804 |
|
---|
| 1805 | if (pThis->hReqCache != NIL_RTMEMCACHE)
|
---|
| 1806 | {
|
---|
| 1807 | RTMemCacheDestroy(pThis->hReqCache);
|
---|
| 1808 | pThis->hReqCache = NIL_RTMEMCACHE;
|
---|
| 1809 | }
|
---|
[27558] | 1810 | }
|
---|
| 1811 |
|
---|
| 1812 | /**
|
---|
| 1813 | * Construct a disk integrity driver instance.
|
---|
| 1814 | *
|
---|
| 1815 | * @copydoc FNPDMDRVCONSTRUCT
|
---|
| 1816 | */
|
---|
| 1817 | static DECLCALLBACK(int) drvdiskintConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
|
---|
| 1818 | {
|
---|
| 1819 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
|
---|
[91869] | 1820 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
| 1821 | PCPDMDRVHLPR3 pHlp = pDrvIns->pHlpR3;
|
---|
[27558] | 1822 |
|
---|
[91869] | 1823 | LogFlow(("drvdiskintConstruct: iInstance=%d\n", pDrvIns->iInstance));
|
---|
| 1824 |
|
---|
[27558] | 1825 | /*
|
---|
| 1826 | * Validate configuration.
|
---|
| 1827 | */
|
---|
[91869] | 1828 | PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "CheckConsistency"
|
---|
| 1829 | "|TraceRequests"
|
---|
| 1830 | "|CheckIntervalMs"
|
---|
| 1831 | "|ExpireIntervalMs"
|
---|
| 1832 | "|CheckDoubleCompletions"
|
---|
| 1833 | "|HistorySize"
|
---|
| 1834 | "|IoLogType"
|
---|
| 1835 | "|IoLogFile"
|
---|
| 1836 | "|IoLogAddress"
|
---|
| 1837 | "|IoLogPort"
|
---|
| 1838 | "|IoLogData"
|
---|
| 1839 | "|PrepopulateRamDisk"
|
---|
| 1840 | "|ReadAfterWrite"
|
---|
| 1841 | "|RecordWriteBeforeCompletion"
|
---|
| 1842 | "|ValidateMemoryBuffers",
|
---|
| 1843 | "");
|
---|
[27558] | 1844 |
|
---|
[91869] | 1845 | int rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "CheckConsistency", &pThis->fCheckConsistency, false);
|
---|
[28902] | 1846 | AssertRC(rc);
|
---|
[91869] | 1847 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "TraceRequests", &pThis->fTraceRequests, false);
|
---|
[28902] | 1848 | AssertRC(rc);
|
---|
[91869] | 1849 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "CheckIntervalMs", &pThis->uCheckIntervalMs, 5000); /* 5 seconds */
|
---|
[28902] | 1850 | AssertRC(rc);
|
---|
[91869] | 1851 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "ExpireIntervalMs", &pThis->uExpireIntervalMs, 20000); /* 20 seconds */
|
---|
[28902] | 1852 | AssertRC(rc);
|
---|
[91869] | 1853 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "CheckDoubleCompletions", &pThis->fCheckDoubleCompletion, false);
|
---|
[29443] | 1854 | AssertRC(rc);
|
---|
[91869] | 1855 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "HistorySize", &pThis->cEntries, 512);
|
---|
[29443] | 1856 | AssertRC(rc);
|
---|
[91869] | 1857 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "PrepopulateRamDisk", &pThis->fPrepopulateRamDisk, false);
|
---|
[46859] | 1858 | AssertRC(rc);
|
---|
[91869] | 1859 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ReadAfterWrite", &pThis->fReadAfterWrite, false);
|
---|
[51619] | 1860 | AssertRC(rc);
|
---|
[91869] | 1861 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "RecordWriteBeforeCompletion", &pThis->fRecordWriteBeforeCompletion, false);
|
---|
[51749] | 1862 | AssertRC(rc);
|
---|
[91869] | 1863 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ValidateMemoryBuffers", &pThis->fValidateMemBufs, false);
|
---|
[63727] | 1864 | AssertRC(rc);
|
---|
[28902] | 1865 |
|
---|
[65480] | 1866 | bool fIoLogData = false;
|
---|
[91869] | 1867 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "IoLogData", &fIoLogData, false);
|
---|
[65480] | 1868 | AssertRC(rc);
|
---|
[72310] | 1869 |
|
---|
| 1870 | char *pszIoLogType = NULL;
|
---|
[38541] | 1871 | char *pszIoLogFilename = NULL;
|
---|
[72310] | 1872 | char *pszAddress = NULL;
|
---|
| 1873 | uint32_t uPort = 0;
|
---|
[91869] | 1874 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogType", &pszIoLogType);
|
---|
[72310] | 1875 | if (RT_SUCCESS(rc))
|
---|
| 1876 | {
|
---|
| 1877 | if (!RTStrICmp(pszIoLogType, "File"))
|
---|
| 1878 | {
|
---|
[91869] | 1879 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogFile", &pszIoLogFilename);
|
---|
[72310] | 1880 | AssertRC(rc);
|
---|
| 1881 | }
|
---|
| 1882 | else if (!RTStrICmp(pszIoLogType, "Server"))
|
---|
| 1883 | {
|
---|
[91869] | 1884 | rc = pHlp->pfnCFGMQueryStringAllocDef(pCfg, "IoLogAddress", &pszAddress, NULL);
|
---|
[72310] | 1885 | AssertRC(rc);
|
---|
[91869] | 1886 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "IoLogPort", &uPort, 4000);
|
---|
[72310] | 1887 | AssertRC(rc);
|
---|
| 1888 | }
|
---|
| 1889 | else if (!RTStrICmp(pszIoLogType, "Client"))
|
---|
| 1890 | {
|
---|
[91869] | 1891 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogAddress", &pszAddress);
|
---|
[72310] | 1892 | AssertRC(rc);
|
---|
[91869] | 1893 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "IoLogPort", &uPort, 4000);
|
---|
[72310] | 1894 | AssertRC(rc);
|
---|
| 1895 | }
|
---|
| 1896 | else
|
---|
| 1897 | AssertMsgFailed(("Invalid I/O log type given: %s\n", pszIoLogType));
|
---|
| 1898 | }
|
---|
| 1899 | else
|
---|
| 1900 | Assert(rc == VERR_CFGM_VALUE_NOT_FOUND);
|
---|
[38541] | 1901 |
|
---|
[27558] | 1902 | /*
|
---|
| 1903 | * Initialize most of the data members.
|
---|
| 1904 | */
|
---|
| 1905 | pThis->pDrvIns = pDrvIns;
|
---|
[65703] | 1906 | pThis->hReqCache = NIL_RTMEMCACHE;
|
---|
[27558] | 1907 |
|
---|
| 1908 | /* IBase. */
|
---|
| 1909 | pDrvIns->IBase.pfnQueryInterface = drvdiskintQueryInterface;
|
---|
| 1910 |
|
---|
| 1911 | /* IMedia */
|
---|
[83042] | 1912 | pThis->IMedia.pfnRead = drvdiskintRead;
|
---|
| 1913 | pThis->IMedia.pfnWrite = drvdiskintWrite;
|
---|
| 1914 | pThis->IMedia.pfnFlush = drvdiskintFlush;
|
---|
| 1915 | pThis->IMedia.pfnGetSize = drvdiskintGetSize;
|
---|
| 1916 | pThis->IMedia.pfnIsReadOnly = drvdiskintIsReadOnly;
|
---|
| 1917 | pThis->IMedia.pfnBiosIsVisible = drvdiskintBiosIsVisible;
|
---|
| 1918 | pThis->IMedia.pfnBiosGetPCHSGeometry = drvdiskintBiosGetPCHSGeometry;
|
---|
| 1919 | pThis->IMedia.pfnBiosSetPCHSGeometry = drvdiskintBiosSetPCHSGeometry;
|
---|
| 1920 | pThis->IMedia.pfnBiosGetLCHSGeometry = drvdiskintBiosGetLCHSGeometry;
|
---|
| 1921 | pThis->IMedia.pfnBiosSetLCHSGeometry = drvdiskintBiosSetLCHSGeometry;
|
---|
| 1922 | pThis->IMedia.pfnGetUuid = drvdiskintGetUuid;
|
---|
| 1923 | pThis->IMedia.pfnGetSectorSize = drvdiskintGetSectorSize;
|
---|
| 1924 | pThis->IMedia.pfnGetType = drvdiskintGetType;
|
---|
| 1925 | pThis->IMedia.pfnReadPcBios = drvdiskintReadPcBios;
|
---|
| 1926 | pThis->IMedia.pfnIsNonRotational = drvdiskintIsNonRotational;
|
---|
| 1927 | pThis->IMedia.pfnSendCmd = NULL;
|
---|
| 1928 | pThis->IMedia.pfnGetRegionCount = drvdiskintGetRegionCount;
|
---|
| 1929 | pThis->IMedia.pfnQueryRegionProperties = drvdiskintQueryRegionProperties;
|
---|
| 1930 | pThis->IMedia.pfnQueryRegionPropertiesForLba = drvdiskintQueryRegionPropertiesForLba;
|
---|
[27558] | 1931 |
|
---|
[83042] | 1932 |
|
---|
[63700] | 1933 | /* IMediaEx. */
|
---|
[64724] | 1934 | pThis->IMediaEx.pfnQueryFeatures = drvdiskintQueryFeatures;
|
---|
[83042] | 1935 | pThis->IMediaEx.pfnNotifySuspend = drvdiskintNotifySuspend;
|
---|
[63700] | 1936 | pThis->IMediaEx.pfnIoReqAllocSizeSet = drvdiskintIoReqAllocSizeSet;
|
---|
| 1937 | pThis->IMediaEx.pfnIoReqAlloc = drvdiskintIoReqAlloc;
|
---|
| 1938 | pThis->IMediaEx.pfnIoReqFree = drvdiskintIoReqFree;
|
---|
[64724] | 1939 | pThis->IMediaEx.pfnIoReqQueryResidual = drvdiskintIoReqQueryResidual;
|
---|
| 1940 | pThis->IMediaEx.pfnIoReqQueryXferSize = drvdiskintIoReqQueryXferSize;
|
---|
| 1941 | pThis->IMediaEx.pfnIoReqCancelAll = drvdiskintIoReqCancelAll;
|
---|
[63700] | 1942 | pThis->IMediaEx.pfnIoReqCancel = drvdiskintIoReqCancel;
|
---|
| 1943 | pThis->IMediaEx.pfnIoReqRead = drvdiskintIoReqRead;
|
---|
| 1944 | pThis->IMediaEx.pfnIoReqWrite = drvdiskintIoReqWrite;
|
---|
| 1945 | pThis->IMediaEx.pfnIoReqFlush = drvdiskintIoReqFlush;
|
---|
| 1946 | pThis->IMediaEx.pfnIoReqDiscard = drvdiskintIoReqDiscard;
|
---|
| 1947 | pThis->IMediaEx.pfnIoReqGetActiveCount = drvdiskintIoReqGetActiveCount;
|
---|
| 1948 | pThis->IMediaEx.pfnIoReqGetSuspendedCount = drvdiskintIoReqGetSuspendedCount;
|
---|
| 1949 | pThis->IMediaEx.pfnIoReqQuerySuspendedStart = drvdiskintIoReqQuerySuspendedStart;
|
---|
| 1950 | pThis->IMediaEx.pfnIoReqQuerySuspendedNext = drvdiskintIoReqQuerySuspendedNext;
|
---|
| 1951 | pThis->IMediaEx.pfnIoReqSuspendedSave = drvdiskintIoReqSuspendedSave;
|
---|
| 1952 | pThis->IMediaEx.pfnIoReqSuspendedLoad = drvdiskintIoReqSuspendedLoad;
|
---|
| 1953 |
|
---|
[34433] | 1954 | /* IMediaPort. */
|
---|
| 1955 | pThis->IMediaPort.pfnQueryDeviceLocation = drvdiskintQueryDeviceLocation;
|
---|
| 1956 |
|
---|
[63700] | 1957 | /* IMediaExPort. */
|
---|
[63997] | 1958 | pThis->IMediaExPort.pfnIoReqCompleteNotify = drvdiskintIoReqCompleteNotify;
|
---|
| 1959 | pThis->IMediaExPort.pfnIoReqCopyFromBuf = drvdiskintIoReqCopyFromBuf;
|
---|
| 1960 | pThis->IMediaExPort.pfnIoReqCopyToBuf = drvdiskintIoReqCopyToBuf;
|
---|
| 1961 | pThis->IMediaExPort.pfnIoReqQueryDiscardRanges = drvdiskintIoReqQueryDiscardRanges;
|
---|
| 1962 | pThis->IMediaExPort.pfnIoReqStateChanged = drvdiskintIoReqStateChanged;
|
---|
[63700] | 1963 |
|
---|
[73094] | 1964 | /* IMount */
|
---|
| 1965 | pThis->IMount.pfnUnmount = drvdiskintUnmount;
|
---|
| 1966 | pThis->IMount.pfnIsMounted = drvdiskintIsMounted;
|
---|
| 1967 | pThis->IMount.pfnLock = drvdiskintLock;
|
---|
| 1968 | pThis->IMount.pfnUnlock = drvdiskintUnlock;
|
---|
| 1969 | pThis->IMount.pfnIsLocked = drvdiskintIsLocked;
|
---|
| 1970 |
|
---|
| 1971 | /* IMountNotify */
|
---|
| 1972 | pThis->IMountNotify.pfnMountNotify = drvdiskintMountNotify;
|
---|
| 1973 | pThis->IMountNotify.pfnUnmountNotify = drvdiskintUnmountNotify;
|
---|
| 1974 |
|
---|
[34433] | 1975 | /* Query the media port interface above us. */
|
---|
| 1976 | pThis->pDrvMediaPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAPORT);
|
---|
| 1977 | if (!pThis->pDrvMediaPort)
|
---|
| 1978 | return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW,
|
---|
[72310] | 1979 | N_("No media port interface above"));
|
---|
[34433] | 1980 |
|
---|
[63700] | 1981 | /* Try to attach extended media port interface above.*/
|
---|
| 1982 | pThis->pDrvMediaExPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAEXPORT);
|
---|
| 1983 |
|
---|
[65703] | 1984 | rc = RTMemCacheCreate(&pThis->hReqCache, sizeof(DRVDISKAIOREQ), 0, UINT32_MAX,
|
---|
| 1985 | NULL, NULL, NULL, 0);
|
---|
| 1986 | if (RT_FAILURE(rc))
|
---|
| 1987 | return PDMDRV_SET_ERROR(pDrvIns, rc,
|
---|
| 1988 | N_("Failed to create request tracking structure cache"));
|
---|
| 1989 |
|
---|
[27558] | 1990 | /*
|
---|
| 1991 | * Try attach driver below and query it's media interface.
|
---|
| 1992 | */
|
---|
| 1993 | PPDMIBASE pBase;
|
---|
[28902] | 1994 | rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBase);
|
---|
[27558] | 1995 | if (RT_FAILURE(rc))
|
---|
| 1996 | return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
|
---|
[28902] | 1997 | N_("Failed to attach driver below us! %Rrc"), rc);
|
---|
[27558] | 1998 |
|
---|
| 1999 | pThis->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIA);
|
---|
| 2000 | if (!pThis->pDrvMedia)
|
---|
| 2001 | return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW,
|
---|
| 2002 | N_("No media or async media interface below"));
|
---|
| 2003 |
|
---|
[63700] | 2004 | pThis->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIAEX);
|
---|
[73094] | 2005 | pThis->pDrvMount = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMOUNT);
|
---|
[28114] | 2006 |
|
---|
[38631] | 2007 | if (pThis->pDrvMedia->pfnDiscard)
|
---|
| 2008 | pThis->IMedia.pfnDiscard = drvdiskintDiscard;
|
---|
| 2009 |
|
---|
[28902] | 2010 | if (pThis->fCheckConsistency)
|
---|
| 2011 | {
|
---|
| 2012 | /* Create the AVL tree. */
|
---|
| 2013 | pThis->pTreeSegments = (PAVLRFOFFTREE)RTMemAllocZ(sizeof(AVLRFOFFTREE));
|
---|
| 2014 | if (!pThis->pTreeSegments)
|
---|
| 2015 | rc = VERR_NO_MEMORY;
|
---|
| 2016 | }
|
---|
[27558] | 2017 |
|
---|
[28902] | 2018 | if (pThis->fTraceRequests)
|
---|
| 2019 | {
|
---|
| 2020 | for (unsigned i = 0; i < RT_ELEMENTS(pThis->apReqActive); i++)
|
---|
| 2021 | {
|
---|
| 2022 | pThis->apReqActive[i].pIoReq = NULL;
|
---|
| 2023 | pThis->apReqActive[i].tsStart = 0;
|
---|
| 2024 | }
|
---|
| 2025 |
|
---|
| 2026 | pThis->iNextFreeSlot = 0;
|
---|
| 2027 |
|
---|
| 2028 | /* Init event semaphore. */
|
---|
| 2029 | rc = RTSemEventCreate(&pThis->SemEvent);
|
---|
| 2030 | AssertRC(rc);
|
---|
| 2031 | pThis->fRunning = true;
|
---|
| 2032 | rc = RTThreadCreate(&pThis->hThread, drvdiskIntIoReqExpiredCheck, pThis,
|
---|
| 2033 | 0, RTTHREADTYPE_INFREQUENT_POLLER, 0, "DiskIntegrity");
|
---|
| 2034 | AssertRC(rc);
|
---|
| 2035 | }
|
---|
| 2036 |
|
---|
[29443] | 2037 | if (pThis->fCheckDoubleCompletion)
|
---|
| 2038 | {
|
---|
| 2039 | pThis->iEntry = 0;
|
---|
| 2040 | pThis->papIoReq = (PDRVDISKAIOREQ *)RTMemAllocZ(pThis->cEntries * sizeof(PDRVDISKAIOREQ));
|
---|
| 2041 | AssertPtr(pThis->papIoReq);
|
---|
| 2042 | }
|
---|
| 2043 |
|
---|
[72310] | 2044 | if (pszIoLogType)
|
---|
[38541] | 2045 | {
|
---|
[72310] | 2046 | if (!RTStrICmp(pszIoLogType, "File"))
|
---|
| 2047 | {
|
---|
| 2048 | rc = RTTraceLogWrCreateFile(&pThis->hIoLogger, NULL, pszIoLogFilename);
|
---|
[91897] | 2049 | PDMDrvHlpMMHeapFree(pDrvIns, pszIoLogFilename);
|
---|
[72310] | 2050 | }
|
---|
| 2051 | else if (!RTStrICmp(pszIoLogType, "Server"))
|
---|
| 2052 | {
|
---|
| 2053 | rc = RTTraceLogWrCreateTcpServer(&pThis->hIoLogger, NULL, pszAddress, uPort);
|
---|
| 2054 | if (pszAddress)
|
---|
[91897] | 2055 | PDMDrvHlpMMHeapFree(pDrvIns, pszAddress);
|
---|
[72310] | 2056 | }
|
---|
| 2057 | else if (!RTStrICmp(pszIoLogType, "Client"))
|
---|
| 2058 | {
|
---|
| 2059 | rc = RTTraceLogWrCreateTcpClient(&pThis->hIoLogger, NULL, pszAddress, uPort);
|
---|
[91897] | 2060 | PDMDrvHlpMMHeapFree(pDrvIns, pszAddress);
|
---|
[72310] | 2061 | }
|
---|
| 2062 | else
|
---|
| 2063 | AssertMsgFailed(("Invalid I/O log type given: %s\n", pszIoLogType));
|
---|
| 2064 |
|
---|
[91897] | 2065 | PDMDrvHlpMMHeapFree(pDrvIns, pszIoLogType);
|
---|
[38541] | 2066 | }
|
---|
| 2067 |
|
---|
[46859] | 2068 | /* Read in all data before the start if requested. */
|
---|
| 2069 | if (pThis->fPrepopulateRamDisk)
|
---|
| 2070 | {
|
---|
| 2071 | uint64_t cbDisk = 0;
|
---|
| 2072 |
|
---|
| 2073 | LogRel(("DiskIntegrity: Prepopulating RAM disk, this will take some time...\n"));
|
---|
| 2074 |
|
---|
| 2075 | cbDisk = pThis->pDrvMedia->pfnGetSize(pThis->pDrvMedia);
|
---|
| 2076 | if (cbDisk)
|
---|
| 2077 | {
|
---|
| 2078 | uint64_t off = 0;
|
---|
| 2079 | uint8_t abBuffer[_64K];
|
---|
| 2080 | RTSGSEG Seg;
|
---|
| 2081 |
|
---|
| 2082 | Seg.pvSeg = abBuffer;
|
---|
| 2083 |
|
---|
| 2084 | while (cbDisk)
|
---|
| 2085 | {
|
---|
| 2086 | size_t cbThisRead = RT_MIN(cbDisk, sizeof(abBuffer));
|
---|
| 2087 |
|
---|
| 2088 | rc = pThis->pDrvMedia->pfnRead(pThis->pDrvMedia, off, abBuffer, cbThisRead);
|
---|
| 2089 | if (RT_FAILURE(rc))
|
---|
| 2090 | break;
|
---|
| 2091 |
|
---|
| 2092 | if (ASMBitFirstSet(abBuffer, sizeof(abBuffer) * 8) != -1)
|
---|
| 2093 | {
|
---|
| 2094 | Seg.cbSeg = cbThisRead;
|
---|
| 2095 | rc = drvdiskintWriteRecord(pThis, &Seg, 1,
|
---|
| 2096 | off, cbThisRead);
|
---|
| 2097 | if (RT_FAILURE(rc))
|
---|
| 2098 | break;
|
---|
| 2099 | }
|
---|
| 2100 |
|
---|
| 2101 | cbDisk -= cbThisRead;
|
---|
| 2102 | off += cbThisRead;
|
---|
| 2103 | }
|
---|
| 2104 |
|
---|
| 2105 | LogRel(("DiskIntegrity: Prepopulating RAM disk finished with %Rrc\n", rc));
|
---|
| 2106 | }
|
---|
| 2107 | else
|
---|
| 2108 | return PDMDRV_SET_ERROR(pDrvIns, VERR_INTERNAL_ERROR,
|
---|
| 2109 | N_("DiskIntegrity: Error querying the media size below"));
|
---|
| 2110 | }
|
---|
| 2111 |
|
---|
[27561] | 2112 | return rc;
|
---|
[27558] | 2113 | }
|
---|
| 2114 |
|
---|
| 2115 |
|
---|
| 2116 | /**
|
---|
| 2117 | * Block driver registration record.
|
---|
| 2118 | */
|
---|
| 2119 | const PDMDRVREG g_DrvDiskIntegrity =
|
---|
| 2120 | {
|
---|
| 2121 | /* u32Version */
|
---|
| 2122 | PDM_DRVREG_VERSION,
|
---|
| 2123 | /* szName */
|
---|
| 2124 | "DiskIntegrity",
|
---|
| 2125 | /* szRCMod */
|
---|
| 2126 | "",
|
---|
| 2127 | /* szR0Mod */
|
---|
| 2128 | "",
|
---|
| 2129 | /* pszDescription */
|
---|
| 2130 | "Disk integrity driver.",
|
---|
| 2131 | /* fFlags */
|
---|
| 2132 | PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
|
---|
| 2133 | /* fClass. */
|
---|
| 2134 | PDM_DRVREG_CLASS_BLOCK,
|
---|
| 2135 | /* cMaxInstances */
|
---|
[40282] | 2136 | ~0U,
|
---|
[27558] | 2137 | /* cbInstance */
|
---|
| 2138 | sizeof(DRVDISKINTEGRITY),
|
---|
| 2139 | /* pfnConstruct */
|
---|
| 2140 | drvdiskintConstruct,
|
---|
| 2141 | /* pfnDestruct */
|
---|
| 2142 | drvdiskintDestruct,
|
---|
| 2143 | /* pfnRelocate */
|
---|
| 2144 | NULL,
|
---|
| 2145 | /* pfnIOCtl */
|
---|
| 2146 | NULL,
|
---|
| 2147 | /* pfnPowerOn */
|
---|
| 2148 | NULL,
|
---|
| 2149 | /* pfnReset */
|
---|
| 2150 | NULL,
|
---|
| 2151 | /* pfnSuspend */
|
---|
| 2152 | NULL,
|
---|
| 2153 | /* pfnResume */
|
---|
| 2154 | NULL,
|
---|
| 2155 | /* pfnAttach */
|
---|
| 2156 | NULL,
|
---|
| 2157 | /* pfnDetach */
|
---|
| 2158 | NULL,
|
---|
| 2159 | /* pfnPowerOff */
|
---|
| 2160 | NULL,
|
---|
| 2161 | /* pfnSoftReset */
|
---|
| 2162 | NULL,
|
---|
| 2163 | /* u32EndVersion */
|
---|
| 2164 | PDM_DRVREG_VERSION
|
---|
| 2165 | };
|
---|
| 2166 |
|
---|