| 1 | /* $Id: IOMInternal.h 69474 2017-10-28 13:12:06Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IOM - Internal header file.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2017 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #ifndef ___IOMInternal_h
|
|---|
| 19 | #define ___IOMInternal_h
|
|---|
| 20 |
|
|---|
| 21 | #define IOM_WITH_CRIT_SECT_RW
|
|---|
| 22 |
|
|---|
| 23 | #include <VBox/cdefs.h>
|
|---|
| 24 | #include <VBox/types.h>
|
|---|
| 25 | #include <VBox/vmm/iom.h>
|
|---|
| 26 | #include <VBox/vmm/stam.h>
|
|---|
| 27 | #include <VBox/vmm/pgm.h>
|
|---|
| 28 | #include <VBox/vmm/pdmcritsect.h>
|
|---|
| 29 | #ifdef IOM_WITH_CRIT_SECT_RW
|
|---|
| 30 | # include <VBox/vmm/pdmcritsectrw.h>
|
|---|
| 31 | #endif
|
|---|
| 32 | #include <VBox/param.h>
|
|---|
| 33 | #include <iprt/assert.h>
|
|---|
| 34 | #include <iprt/avl.h>
|
|---|
| 35 |
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | /** @defgroup grp_iom_int Internals
|
|---|
| 39 | * @ingroup grp_iom
|
|---|
| 40 | * @internal
|
|---|
| 41 | * @{
|
|---|
| 42 | */
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| 45 | * MMIO range descriptor.
|
|---|
| 46 | */
|
|---|
| 47 | typedef struct IOMMMIORANGE
|
|---|
| 48 | {
|
|---|
| 49 | /** Avl node core with GCPhys as Key and GCPhys + cbSize - 1 as KeyLast. */
|
|---|
| 50 | AVLROGCPHYSNODECORE Core;
|
|---|
| 51 | /** Start physical address. */
|
|---|
| 52 | RTGCPHYS GCPhys;
|
|---|
| 53 | /** Size of the range. */
|
|---|
| 54 | RTGCPHYS cb;
|
|---|
| 55 | /** The reference counter. */
|
|---|
| 56 | uint32_t volatile cRefs;
|
|---|
| 57 | /** Flags, see IOMMMIO_FLAGS_XXX. */
|
|---|
| 58 | uint32_t fFlags;
|
|---|
| 59 |
|
|---|
| 60 | /** Pointer to user argument - R0. */
|
|---|
| 61 | RTR0PTR pvUserR0;
|
|---|
| 62 | /** Pointer to device instance - R0. */
|
|---|
| 63 | PPDMDEVINSR0 pDevInsR0;
|
|---|
| 64 | /** Pointer to write callback function - R0. */
|
|---|
| 65 | R0PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR0;
|
|---|
| 66 | /** Pointer to read callback function - R0. */
|
|---|
| 67 | R0PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR0;
|
|---|
| 68 | /** Pointer to fill (memset) callback function - R0. */
|
|---|
| 69 | R0PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR0;
|
|---|
| 70 |
|
|---|
| 71 | /** Pointer to user argument - R3. */
|
|---|
| 72 | RTR3PTR pvUserR3;
|
|---|
| 73 | /** Pointer to device instance - R3. */
|
|---|
| 74 | PPDMDEVINSR3 pDevInsR3;
|
|---|
| 75 | /** Pointer to write callback function - R3. */
|
|---|
| 76 | R3PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR3;
|
|---|
| 77 | /** Pointer to read callback function - R3. */
|
|---|
| 78 | R3PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR3;
|
|---|
| 79 | /** Pointer to fill (memset) callback function - R3. */
|
|---|
| 80 | R3PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR3;
|
|---|
| 81 |
|
|---|
| 82 | /** Description / Name. For easing debugging. */
|
|---|
| 83 | R3PTRTYPE(const char *) pszDesc;
|
|---|
| 84 |
|
|---|
| 85 | /** Pointer to user argument - RC. */
|
|---|
| 86 | RTRCPTR pvUserRC;
|
|---|
| 87 | /** Pointer to device instance - RC. */
|
|---|
| 88 | PPDMDEVINSRC pDevInsRC;
|
|---|
| 89 | /** Pointer to write callback function - RC. */
|
|---|
| 90 | RCPTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackRC;
|
|---|
| 91 | /** Pointer to read callback function - RC. */
|
|---|
| 92 | RCPTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackRC;
|
|---|
| 93 | /** Pointer to fill (memset) callback function - RC. */
|
|---|
| 94 | RCPTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackRC;
|
|---|
| 95 | #if HC_ARCH_BITS == 64
|
|---|
| 96 | /** Padding structure length to multiple of 8 bytes. */
|
|---|
| 97 | RTRCPTR RCPtrPadding;
|
|---|
| 98 | #endif
|
|---|
| 99 | } IOMMMIORANGE;
|
|---|
| 100 | /** Pointer to a MMIO range descriptor, R3 version. */
|
|---|
| 101 | typedef struct IOMMMIORANGE *PIOMMMIORANGE;
|
|---|
| 102 |
|
|---|
| 103 |
|
|---|
| 104 | /**
|
|---|
| 105 | * MMIO address statistics. (one address)
|
|---|
| 106 | *
|
|---|
| 107 | * This is a simple way of making on demand statistics, however it's a
|
|---|
| 108 | * bit free with the hypervisor heap memory.
|
|---|
| 109 | */
|
|---|
| 110 | typedef struct IOMMMIOSTATS
|
|---|
| 111 | {
|
|---|
| 112 | /** Avl node core with the address as Key. */
|
|---|
| 113 | AVLOGCPHYSNODECORE Core;
|
|---|
| 114 |
|
|---|
| 115 | /** Number of accesses (subtract ReadRZToR3 and WriteRZToR3 to get the right
|
|---|
| 116 | * number). */
|
|---|
| 117 | STAMCOUNTER Accesses;
|
|---|
| 118 |
|
|---|
| 119 | /** Profiling read handler overhead in R3. */
|
|---|
| 120 | STAMPROFILE ProfReadR3;
|
|---|
| 121 | /** Profiling write handler overhead in R3. */
|
|---|
| 122 | STAMPROFILE ProfWriteR3;
|
|---|
| 123 | /** Counting and profiling reads in R0/RC. */
|
|---|
| 124 | STAMPROFILE ProfReadRZ;
|
|---|
| 125 | /** Counting and profiling writes in R0/RC. */
|
|---|
| 126 | STAMPROFILE ProfWriteRZ;
|
|---|
| 127 |
|
|---|
| 128 | /** Number of reads to this address from R0/RC which was serviced in R3. */
|
|---|
| 129 | STAMCOUNTER ReadRZToR3;
|
|---|
| 130 | /** Number of writes to this address from R0/RC which was serviced in R3. */
|
|---|
| 131 | STAMCOUNTER WriteRZToR3;
|
|---|
| 132 | } IOMMMIOSTATS;
|
|---|
| 133 | AssertCompileMemberAlignment(IOMMMIOSTATS, Accesses, 8);
|
|---|
| 134 | /** Pointer to I/O port statistics. */
|
|---|
| 135 | typedef IOMMMIOSTATS *PIOMMMIOSTATS;
|
|---|
| 136 |
|
|---|
| 137 |
|
|---|
| 138 | /**
|
|---|
| 139 | * I/O port range descriptor, R3 version.
|
|---|
| 140 | */
|
|---|
| 141 | typedef struct IOMIOPORTRANGER3
|
|---|
| 142 | {
|
|---|
| 143 | /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
|
|---|
| 144 | AVLROIOPORTNODECORE Core;
|
|---|
| 145 | #if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
|
|---|
| 146 | uint32_t u32Alignment; /**< The sizeof(Core) differs. */
|
|---|
| 147 | #endif
|
|---|
| 148 | /** Start I/O port address. */
|
|---|
| 149 | RTIOPORT Port;
|
|---|
| 150 | /** Size of the range. */
|
|---|
| 151 | uint16_t cPorts;
|
|---|
| 152 | /** Pointer to user argument. */
|
|---|
| 153 | RTR3PTR pvUser;
|
|---|
| 154 | /** Pointer to the associated device instance. */
|
|---|
| 155 | R3PTRTYPE(PPDMDEVINS) pDevIns;
|
|---|
| 156 | /** Pointer to OUT callback function. */
|
|---|
| 157 | R3PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
|
|---|
| 158 | /** Pointer to IN callback function. */
|
|---|
| 159 | R3PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
|
|---|
| 160 | /** Pointer to string OUT callback function. */
|
|---|
| 161 | R3PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
|
|---|
| 162 | /** Pointer to string IN callback function. */
|
|---|
| 163 | R3PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
|
|---|
| 164 | /** Description / Name. For easing debugging. */
|
|---|
| 165 | R3PTRTYPE(const char *) pszDesc;
|
|---|
| 166 | } IOMIOPORTRANGER3;
|
|---|
| 167 | /** Pointer to I/O port range descriptor, R3 version. */
|
|---|
| 168 | typedef IOMIOPORTRANGER3 *PIOMIOPORTRANGER3;
|
|---|
| 169 |
|
|---|
| 170 | /**
|
|---|
| 171 | * I/O port range descriptor, R0 version.
|
|---|
| 172 | */
|
|---|
| 173 | typedef struct IOMIOPORTRANGER0
|
|---|
| 174 | {
|
|---|
| 175 | /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
|
|---|
| 176 | AVLROIOPORTNODECORE Core;
|
|---|
| 177 | #if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
|
|---|
| 178 | uint32_t u32Alignment; /**< The sizeof(Core) differs. */
|
|---|
| 179 | #endif
|
|---|
| 180 | /** Start I/O port address. */
|
|---|
| 181 | RTIOPORT Port;
|
|---|
| 182 | /** Size of the range. */
|
|---|
| 183 | uint16_t cPorts;
|
|---|
| 184 | /** Pointer to user argument. */
|
|---|
| 185 | RTR0PTR pvUser;
|
|---|
| 186 | /** Pointer to the associated device instance. */
|
|---|
| 187 | R0PTRTYPE(PPDMDEVINS) pDevIns;
|
|---|
| 188 | /** Pointer to OUT callback function. */
|
|---|
| 189 | R0PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
|
|---|
| 190 | /** Pointer to IN callback function. */
|
|---|
| 191 | R0PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
|
|---|
| 192 | /** Pointer to string OUT callback function. */
|
|---|
| 193 | R0PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
|
|---|
| 194 | /** Pointer to string IN callback function. */
|
|---|
| 195 | R0PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
|
|---|
| 196 | /** Description / Name. For easing debugging. */
|
|---|
| 197 | R3PTRTYPE(const char *) pszDesc;
|
|---|
| 198 | } IOMIOPORTRANGER0;
|
|---|
| 199 | /** Pointer to I/O port range descriptor, R0 version. */
|
|---|
| 200 | typedef IOMIOPORTRANGER0 *PIOMIOPORTRANGER0;
|
|---|
| 201 |
|
|---|
| 202 | /**
|
|---|
| 203 | * I/O port range descriptor, RC version.
|
|---|
| 204 | */
|
|---|
| 205 | typedef struct IOMIOPORTRANGERC
|
|---|
| 206 | {
|
|---|
| 207 | /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
|
|---|
| 208 | AVLROIOPORTNODECORE Core;
|
|---|
| 209 | /** Start I/O port address. */
|
|---|
| 210 | RTIOPORT Port;
|
|---|
| 211 | /** Size of the range. */
|
|---|
| 212 | uint16_t cPorts;
|
|---|
| 213 | /** Pointer to user argument. */
|
|---|
| 214 | RTRCPTR pvUser;
|
|---|
| 215 | /** Pointer to the associated device instance. */
|
|---|
| 216 | RCPTRTYPE(PPDMDEVINS) pDevIns;
|
|---|
| 217 | /** Pointer to OUT callback function. */
|
|---|
| 218 | RCPTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
|
|---|
| 219 | /** Pointer to IN callback function. */
|
|---|
| 220 | RCPTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
|
|---|
| 221 | /** Pointer to string OUT callback function. */
|
|---|
| 222 | RCPTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
|
|---|
| 223 | /** Pointer to string IN callback function. */
|
|---|
| 224 | RCPTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
|
|---|
| 225 | #if HC_ARCH_BITS == 64
|
|---|
| 226 | RTRCPTR RCPtrAlignment; /**< pszDesc is 8 byte aligned. */
|
|---|
| 227 | #endif
|
|---|
| 228 | /** Description / Name. For easing debugging. */
|
|---|
| 229 | R3PTRTYPE(const char *) pszDesc;
|
|---|
| 230 | } IOMIOPORTRANGERC;
|
|---|
| 231 | /** Pointer to I/O port range descriptor, RC version. */
|
|---|
| 232 | typedef IOMIOPORTRANGERC *PIOMIOPORTRANGERC;
|
|---|
| 233 |
|
|---|
| 234 |
|
|---|
| 235 | /**
|
|---|
| 236 | * I/O port statistics. (one I/O port)
|
|---|
| 237 | *
|
|---|
| 238 | * This is a simple way of making on demand statistics, however it's a
|
|---|
| 239 | * bit free with the hypervisor heap memory.
|
|---|
| 240 | */
|
|---|
| 241 | typedef struct IOMIOPORTSTATS
|
|---|
| 242 | {
|
|---|
| 243 | /** Avl node core with the port as Key. */
|
|---|
| 244 | AVLOIOPORTNODECORE Core;
|
|---|
| 245 | #if HC_ARCH_BITS != 64 || !defined(RT_OS_WINDOWS)
|
|---|
| 246 | uint32_t u32Alignment; /**< The sizeof(Core) differs. */
|
|---|
| 247 | #endif
|
|---|
| 248 | /** Number of INs to this port from R3. */
|
|---|
| 249 | STAMCOUNTER InR3;
|
|---|
| 250 | /** Profiling IN handler overhead in R3. */
|
|---|
| 251 | STAMPROFILE ProfInR3;
|
|---|
| 252 | /** Number of OUTs to this port from R3. */
|
|---|
| 253 | STAMCOUNTER OutR3;
|
|---|
| 254 | /** Profiling OUT handler overhead in R3. */
|
|---|
| 255 | STAMPROFILE ProfOutR3;
|
|---|
| 256 |
|
|---|
| 257 | /** Number of INs to this port from R0/RC. */
|
|---|
| 258 | STAMCOUNTER InRZ;
|
|---|
| 259 | /** Profiling IN handler overhead in R0/RC. */
|
|---|
| 260 | STAMPROFILE ProfInRZ;
|
|---|
| 261 | /** Number of INs to this port from R0/RC which was serviced in R3. */
|
|---|
| 262 | STAMCOUNTER InRZToR3;
|
|---|
| 263 |
|
|---|
| 264 | /** Number of OUTs to this port from R0/RC. */
|
|---|
| 265 | STAMCOUNTER OutRZ;
|
|---|
| 266 | /** Profiling OUT handler overhead in R0/RC. */
|
|---|
| 267 | STAMPROFILE ProfOutRZ;
|
|---|
| 268 | /** Number of OUTs to this port from R0/RC which was serviced in R3. */
|
|---|
| 269 | STAMCOUNTER OutRZToR3;
|
|---|
| 270 | } IOMIOPORTSTATS;
|
|---|
| 271 | AssertCompileMemberAlignment(IOMIOPORTSTATS, InR3, 8);
|
|---|
| 272 | /** Pointer to I/O port statistics. */
|
|---|
| 273 | typedef IOMIOPORTSTATS *PIOMIOPORTSTATS;
|
|---|
| 274 |
|
|---|
| 275 |
|
|---|
| 276 | /**
|
|---|
| 277 | * The IOM trees.
|
|---|
| 278 | * These are offset based the nodes and root must be in the same
|
|---|
| 279 | * memory block in HC. The locations of IOM structure and the hypervisor heap
|
|---|
| 280 | * are quite different in R3, R0 and RC.
|
|---|
| 281 | */
|
|---|
| 282 | typedef struct IOMTREES
|
|---|
| 283 | {
|
|---|
| 284 | /** Tree containing I/O port range descriptors registered for HC (IOMIOPORTRANGEHC). */
|
|---|
| 285 | AVLROIOPORTTREE IOPortTreeR3;
|
|---|
| 286 | /** Tree containing I/O port range descriptors registered for R0 (IOMIOPORTRANGER0). */
|
|---|
| 287 | AVLROIOPORTTREE IOPortTreeR0;
|
|---|
| 288 | /** Tree containing I/O port range descriptors registered for RC (IOMIOPORTRANGERC). */
|
|---|
| 289 | AVLROIOPORTTREE IOPortTreeRC;
|
|---|
| 290 |
|
|---|
| 291 | /** Tree containing the MMIO range descriptors (IOMMMIORANGE). */
|
|---|
| 292 | AVLROGCPHYSTREE MMIOTree;
|
|---|
| 293 |
|
|---|
| 294 | /** Tree containing I/O port statistics (IOMIOPORTSTATS). */
|
|---|
| 295 | AVLOIOPORTTREE IOPortStatTree;
|
|---|
| 296 | /** Tree containing MMIO statistics (IOMMMIOSTATS). */
|
|---|
| 297 | AVLOGCPHYSTREE MmioStatTree;
|
|---|
| 298 | } IOMTREES;
|
|---|
| 299 | /** Pointer to the IOM trees. */
|
|---|
| 300 | typedef IOMTREES *PIOMTREES;
|
|---|
| 301 |
|
|---|
| 302 |
|
|---|
| 303 | /**
|
|---|
| 304 | * Converts an IOM pointer into a VM pointer.
|
|---|
| 305 | * @returns Pointer to the VM structure the PGM is part of.
|
|---|
| 306 | * @param pIOM Pointer to IOM instance data.
|
|---|
| 307 | */
|
|---|
| 308 | #define IOM2VM(pIOM) ( (PVM)((char*)pIOM - pIOM->offVM) )
|
|---|
| 309 |
|
|---|
| 310 | /**
|
|---|
| 311 | * IOM Data (part of VM)
|
|---|
| 312 | */
|
|---|
| 313 | typedef struct IOM
|
|---|
| 314 | {
|
|---|
| 315 | /** Offset to the VM structure. */
|
|---|
| 316 | RTINT offVM;
|
|---|
| 317 |
|
|---|
| 318 | /** Pointer to the trees - RC ptr. */
|
|---|
| 319 | RCPTRTYPE(PIOMTREES) pTreesRC;
|
|---|
| 320 | /** Pointer to the trees - R3 ptr. */
|
|---|
| 321 | R3PTRTYPE(PIOMTREES) pTreesR3;
|
|---|
| 322 | /** Pointer to the trees - R0 ptr. */
|
|---|
| 323 | R0PTRTYPE(PIOMTREES) pTreesR0;
|
|---|
| 324 |
|
|---|
| 325 | /** MMIO physical access handler type. */
|
|---|
| 326 | PGMPHYSHANDLERTYPE hMmioHandlerType;
|
|---|
| 327 | uint32_t u32Padding;
|
|---|
| 328 |
|
|---|
| 329 | /** Lock serializing EMT access to IOM. */
|
|---|
| 330 | #ifdef IOM_WITH_CRIT_SECT_RW
|
|---|
| 331 | PDMCRITSECTRW CritSect;
|
|---|
| 332 | #else
|
|---|
| 333 | PDMCRITSECT CritSect;
|
|---|
| 334 | #endif
|
|---|
| 335 |
|
|---|
| 336 | /** @name I/O Port statistics.
|
|---|
| 337 | * @{ */
|
|---|
| 338 | STAMCOUNTER StatInstIn;
|
|---|
| 339 | STAMCOUNTER StatInstOut;
|
|---|
| 340 | STAMCOUNTER StatInstIns;
|
|---|
| 341 | STAMCOUNTER StatInstOuts;
|
|---|
| 342 | /** @} */
|
|---|
| 343 |
|
|---|
| 344 | /** @name MMIO statistics.
|
|---|
| 345 | * @{ */
|
|---|
| 346 | STAMPROFILE StatRZMMIOHandler;
|
|---|
| 347 | STAMCOUNTER StatRZMMIOFailures;
|
|---|
| 348 |
|
|---|
| 349 | STAMPROFILE StatRZInstMov;
|
|---|
| 350 | STAMPROFILE StatRZInstCmp;
|
|---|
| 351 | STAMPROFILE StatRZInstAnd;
|
|---|
| 352 | STAMPROFILE StatRZInstOr;
|
|---|
| 353 | STAMPROFILE StatRZInstXor;
|
|---|
| 354 | STAMPROFILE StatRZInstBt;
|
|---|
| 355 | STAMPROFILE StatRZInstTest;
|
|---|
| 356 | STAMPROFILE StatRZInstXchg;
|
|---|
| 357 | STAMPROFILE StatRZInstStos;
|
|---|
| 358 | STAMPROFILE StatRZInstLods;
|
|---|
| 359 | #ifdef IOM_WITH_MOVS_SUPPORT
|
|---|
| 360 | STAMPROFILEADV StatRZInstMovs;
|
|---|
| 361 | STAMPROFILE StatRZInstMovsToMMIO;
|
|---|
| 362 | STAMPROFILE StatRZInstMovsFromMMIO;
|
|---|
| 363 | STAMPROFILE StatRZInstMovsMMIO;
|
|---|
| 364 | #endif
|
|---|
| 365 | STAMCOUNTER StatRZInstOther;
|
|---|
| 366 |
|
|---|
| 367 | STAMCOUNTER StatRZMMIO1Byte;
|
|---|
| 368 | STAMCOUNTER StatRZMMIO2Bytes;
|
|---|
| 369 | STAMCOUNTER StatRZMMIO4Bytes;
|
|---|
| 370 | STAMCOUNTER StatRZMMIO8Bytes;
|
|---|
| 371 |
|
|---|
| 372 | STAMCOUNTER StatR3MMIOHandler;
|
|---|
| 373 |
|
|---|
| 374 | RTUINT cMovsMaxBytes;
|
|---|
| 375 | RTUINT cStosMaxBytes;
|
|---|
| 376 | /** @} */
|
|---|
| 377 | } IOM;
|
|---|
| 378 | /** Pointer to IOM instance data. */
|
|---|
| 379 | typedef IOM *PIOM;
|
|---|
| 380 |
|
|---|
| 381 |
|
|---|
| 382 | /**
|
|---|
| 383 | * IOM per virtual CPU instance data.
|
|---|
| 384 | */
|
|---|
| 385 | typedef struct IOMCPU
|
|---|
| 386 | {
|
|---|
| 387 | /** For saving stack space, the disassembler state is allocated here instead of
|
|---|
| 388 | * on the stack. */
|
|---|
| 389 | DISCPUSTATE DisState;
|
|---|
| 390 |
|
|---|
| 391 | /**
|
|---|
| 392 | * Pending I/O port write commit (VINF_IOM_R3_IOPORT_COMMIT_WRITE).
|
|---|
| 393 | *
|
|---|
| 394 | * This is a converted VINF_IOM_R3_IOPORT_WRITE handler return that lets the
|
|---|
| 395 | * execution engine commit the instruction and then return to ring-3 to complete
|
|---|
| 396 | * the I/O port write there. This avoids having to decode the instruction again
|
|---|
| 397 | * in ring-3.
|
|---|
| 398 | */
|
|---|
| 399 | struct
|
|---|
| 400 | {
|
|---|
| 401 | /** The value size (0 if not pending). */
|
|---|
| 402 | uint16_t cbValue;
|
|---|
| 403 | /** The I/O port. */
|
|---|
| 404 | RTIOPORT IOPort;
|
|---|
| 405 | /** The value. */
|
|---|
| 406 | uint32_t u32Value;
|
|---|
| 407 | } PendingIOPortWrite;
|
|---|
| 408 |
|
|---|
| 409 | /**
|
|---|
| 410 | * Pending MMIO write commit (VINF_IOM_R3_MMIO_COMMIT_WRITE).
|
|---|
| 411 | *
|
|---|
| 412 | * This is a converted VINF_IOM_R3_MMIO_WRITE handler return that lets the
|
|---|
| 413 | * execution engine commit the instruction, stop any more REPs, and return to
|
|---|
| 414 | * ring-3 to complete the MMIO write there. The avoid the tedious decoding of
|
|---|
| 415 | * the instruction again once we're in ring-3, more importantly it allows us to
|
|---|
| 416 | * correctly deal with read-modify-write instructions like XCHG, OR, and XOR.
|
|---|
| 417 | */
|
|---|
| 418 | struct
|
|---|
| 419 | {
|
|---|
| 420 | /** Guest physical MMIO address. */
|
|---|
| 421 | RTGCPHYS GCPhys;
|
|---|
| 422 | /** The value to write. */
|
|---|
| 423 | uint8_t abValue[128];
|
|---|
| 424 | /** The number of bytes to write (0 if nothing pending). */
|
|---|
| 425 | uint32_t cbValue;
|
|---|
| 426 | /** Alignment padding. */
|
|---|
| 427 | uint32_t uAlignmentPadding;
|
|---|
| 428 | } PendingMmioWrite;
|
|---|
| 429 |
|
|---|
| 430 | /** @name Caching of I/O Port and MMIO ranges and statistics.
|
|---|
| 431 | * (Saves quite some time in rep outs/ins instruction emulation.)
|
|---|
| 432 | * @{ */
|
|---|
| 433 | R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastReadR3;
|
|---|
| 434 | R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastWriteR3;
|
|---|
| 435 | R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR3;
|
|---|
| 436 | R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR3;
|
|---|
| 437 | R3PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR3;
|
|---|
| 438 | R3PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR3;
|
|---|
| 439 |
|
|---|
| 440 | R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastReadR0;
|
|---|
| 441 | R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastWriteR0;
|
|---|
| 442 | R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR0;
|
|---|
| 443 | R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR0;
|
|---|
| 444 | R0PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR0;
|
|---|
| 445 | R0PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR0;
|
|---|
| 446 |
|
|---|
| 447 | RCPTRTYPE(PIOMIOPORTRANGERC) pRangeLastReadRC;
|
|---|
| 448 | RCPTRTYPE(PIOMIOPORTRANGERC) pRangeLastWriteRC;
|
|---|
| 449 | RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadRC;
|
|---|
| 450 | RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteRC;
|
|---|
| 451 | RCPTRTYPE(PIOMMMIORANGE) pMMIORangeLastRC;
|
|---|
| 452 | RCPTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastRC;
|
|---|
| 453 | /** @} */
|
|---|
| 454 | } IOMCPU;
|
|---|
| 455 | /** Pointer to IOM per virtual CPU instance data. */
|
|---|
| 456 | typedef IOMCPU *PIOMCPU;
|
|---|
| 457 |
|
|---|
| 458 |
|
|---|
| 459 | RT_C_DECLS_BEGIN
|
|---|
| 460 |
|
|---|
| 461 | void iomMmioFreeRange(PVM pVM, PIOMMMIORANGE pRange);
|
|---|
| 462 | #ifdef IN_RING3
|
|---|
| 463 | PIOMMMIOSTATS iomR3MMIOStatsCreate(PVM pVM, RTGCPHYS GCPhys, const char *pszDesc);
|
|---|
| 464 | #endif /* IN_RING3 */
|
|---|
| 465 |
|
|---|
| 466 | #ifndef IN_RING3
|
|---|
| 467 | DECLEXPORT(FNPGMRZPHYSPFHANDLER) iomMmioPfHandler;
|
|---|
| 468 | #endif
|
|---|
| 469 | PGM_ALL_CB2_PROTO(FNPGMPHYSHANDLER) iomMmioHandler;
|
|---|
| 470 |
|
|---|
| 471 | /* IOM locking helpers. */
|
|---|
| 472 | #ifdef IOM_WITH_CRIT_SECT_RW
|
|---|
| 473 | # define IOM_LOCK_EXCL(a_pVM) PDMCritSectRwEnterExcl(&(a_pVM)->iom.s.CritSect, VERR_SEM_BUSY)
|
|---|
| 474 | # define IOM_UNLOCK_EXCL(a_pVM) do { PDMCritSectRwLeaveExcl(&(a_pVM)->iom.s.CritSect); } while (0)
|
|---|
| 475 | # if 0 /* (in case needed for debugging) */
|
|---|
| 476 | # define IOM_LOCK_SHARED_EX(a_pVM, a_rcBusy) PDMCritSectRwEnterExcl(&(a_pVM)->iom.s.CritSect, (a_rcBusy))
|
|---|
| 477 | # define IOM_UNLOCK_SHARED(a_pVM) do { PDMCritSectRwLeaveExcl(&(a_pVM)->iom.s.CritSect); } while (0)
|
|---|
| 478 | # define IOM_IS_SHARED_LOCK_OWNER(a_pVM) PDMCritSectRwIsWriteOwner(&(a_pVM)->iom.s.CritSect)
|
|---|
| 479 | # else
|
|---|
| 480 | # define IOM_LOCK_SHARED_EX(a_pVM, a_rcBusy) PDMCritSectRwEnterShared(&(a_pVM)->iom.s.CritSect, (a_rcBusy))
|
|---|
| 481 | # define IOM_UNLOCK_SHARED(a_pVM) do { PDMCritSectRwLeaveShared(&(a_pVM)->iom.s.CritSect); } while (0)
|
|---|
| 482 | # define IOM_IS_SHARED_LOCK_OWNER(a_pVM) PDMCritSectRwIsReadOwner(&(a_pVM)->iom.s.CritSect, true)
|
|---|
| 483 | # endif
|
|---|
| 484 | # define IOM_IS_EXCL_LOCK_OWNER(a_pVM) PDMCritSectRwIsWriteOwner(&(a_pVM)->iom.s.CritSect)
|
|---|
| 485 | #else
|
|---|
| 486 | # define IOM_LOCK_EXCL(a_pVM) PDMCritSectEnter(&(a_pVM)->iom.s.CritSect, VERR_SEM_BUSY)
|
|---|
| 487 | # define IOM_UNLOCK_EXCL(a_pVM) do { PDMCritSectLeave(&(a_pVM)->iom.s.CritSect); } while (0)
|
|---|
| 488 | # define IOM_LOCK_SHARED_EX(a_pVM, a_rcBusy) PDMCritSectEnter(&(a_pVM)->iom.s.CritSect, (a_rcBusy))
|
|---|
| 489 | # define IOM_UNLOCK_SHARED(a_pVM) do { PDMCritSectLeave(&(a_pVM)->iom.s.CritSect); } while (0)
|
|---|
| 490 | # define IOM_IS_SHARED_LOCK_OWNER(a_pVM) PDMCritSectIsOwner(&(a_pVM)->iom.s.CritSect)
|
|---|
| 491 | # define IOM_IS_EXCL_LOCK_OWNER(a_pVM) PDMCritSectIsOwner(&(a_pVM)->iom.s.CritSect)
|
|---|
| 492 | #endif
|
|---|
| 493 | #define IOM_LOCK_SHARED(a_pVM) IOM_LOCK_SHARED_EX(a_pVM, VERR_SEM_BUSY)
|
|---|
| 494 |
|
|---|
| 495 |
|
|---|
| 496 | RT_C_DECLS_END
|
|---|
| 497 |
|
|---|
| 498 |
|
|---|
| 499 | #ifdef IN_RING3
|
|---|
| 500 |
|
|---|
| 501 | #endif
|
|---|
| 502 |
|
|---|
| 503 | /** @} */
|
|---|
| 504 |
|
|---|
| 505 | #endif /* !___IOMInternal_h */
|
|---|
| 506 |
|
|---|
