1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678
|
/*==============================================================================
Copyright(c) 2019 Intel Corporation
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files(the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and / or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
============================================================================*/
#include "Internal/Common/GmmLibInc.h"
#include "External/Common/GmmCachePolicy.h"
#include "External/Common/CachePolicy/GmmCachePolicyGen10.h"
#include "External/Common/CachePolicy/GmmCachePolicyGen11.h"
#include "External/Common/CachePolicy/GmmCachePolicyGen12.h"
//=============================================================================
//
// Function: IsSpecialMOCSUsage
//
// Desc: This function returns special(hw-reserved) MocsIdx based on usage
//
// Parameters: usage -> Resource usage type
// UpdateMOCS -> True if MOCS Table must be updated, ow false
//
// Return: int32_t
//
//-----------------------------------------------------------------------------
int32_t GmmLib::GmmGen12CachePolicy::IsSpecialMOCSUsage(GMM_RESOURCE_USAGE_TYPE Usage, bool &UpdateMOCS)
{
int32_t MocsIdx = -1;
UpdateMOCS = true;
//Macros for L3-Eviction Type
#define NA 0x0
#define RO 0x1
#define RW 0x2
#define SP 0x3
switch(Usage)
{
case GMM_RESOURCE_USAGE_CCS:
__GMM_ASSERT(pCachePolicy[Usage].L3 == 0); //Architecturally, CCS isn't L3-cacheable.
pCachePolicy[Usage].L3 = 0;
MocsIdx = 60;
break;
case GMM_RESOURCE_USAGE_MOCS_62:
__GMM_ASSERT(pCachePolicy[Usage].L3 == 0); //Architecturally, TR/Aux-TT node isn't L3-cacheable.
pCachePolicy[Usage].L3 = 0;
MocsIdx = 62;
break;
case GMM_RESOURCE_USAGE_L3_EVICTION:
__GMM_ASSERT(pCachePolicy[Usage].L3 == 0 &&
pCachePolicy[Usage].L3Eviction == RW); //Reserved MOCS for L3-evictions
pCachePolicy[Usage].L3 = 0;
pCachePolicy[Usage].L3Eviction = RW;
MocsIdx = 63;
break;
case GMM_RESOURCE_USAGE_L3_EVICTION_SPECIAL:
case GMM_RESOURCE_USAGE_CCS_MEDIA_WRITABLE:
__GMM_ASSERT(pCachePolicy[Usage].L3 &&
pCachePolicy[Usage].L3Eviction == SP); //Reserved MOCS for L3-evictions
//Special-case for Displayable, and similar non-LLC accesses
GMM_ASSERTDPF(pCachePolicy[Usage].LLC == 0, "MOCS#61's Special Eviction isn't for LLC caching");
pCachePolicy[Usage].L3 = 1;
pCachePolicy[Usage].L3Eviction = SP;
MocsIdx = 61;
break;
default:
UpdateMOCS = false;
break;
}
if(pCachePolicy[Usage].L3Eviction == RW)
{
GMM_CACHE_POLICY_ELEMENT L3Eviction;
L3Eviction.Value = pCachePolicy[GMM_RESOURCE_USAGE_L3_EVICTION].Value;
//For internal purpose, hw overrides MOCS#63 as L3-uncacheable, still using it for L3-evictions
if(Usage != GMM_RESOURCE_USAGE_L3_EVICTION)
{
L3Eviction.L3 = 1; //Override L3, to verify MOCS#63 applicable or not
}
__GMM_ASSERT(pCachePolicy[Usage].Value == L3Eviction.Value); //Allow mis-match due to override registries
//MocsIdx = 63; //Use non-#63 MOCS, #63 itself is L3-uncached
}
else if(pCachePolicy[Usage].L3Eviction == SP)
{
__GMM_ASSERT(pCachePolicy[Usage].Value == pCachePolicy[GMM_RESOURCE_USAGE_L3_EVICTION_SPECIAL].Value); //Allow mis-match due to override registries
MocsIdx = 61;
}
return MocsIdx;
}
//=============================================================================
//
// Function: __GmmGen12InitCachePolicy
//
// Desc: This function initializes the cache policy
//
// Parameters: pCachePolicy -> Ptr to array to be populated with the
// mapping of usages -> cache settings.
//
// Return: GMM_STATUS
//
//-----------------------------------------------------------------------------
GMM_STATUS GmmLib::GmmGen12CachePolicy::InitCachePolicy()
{
__GMM_ASSERTPTR(pCachePolicy, GMM_ERROR);
#define DEFINE_CACHE_ELEMENT(usage, llc, ellc, l3, wt, age, aom, lecc_scc, l3_scc, scf, sso, cos, hdcl1, l3evict) DEFINE_CP_ELEMENT(usage, llc, ellc, l3, wt, age, aom, lecc_scc, l3_scc, scf, sso, cos, hdcl1, l3evict, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
#include "GmmGen12CachePolicy.h"
#define TC_LLC (1)
#define TC_ELLC (0)
#define TC_LLC_ELLC (2)
#define LeCC_UNCACHEABLE (0x0)
#define LeCC_WC_UNCACHEABLE (0x1)
#define LeCC_WT_CACHEABLE (0x2) //Only used as MemPushWRite disqualifier if set along with eLLC-only -still holds on gen12+?
#define LeCC_WB_CACHEABLE (0x3)
#define L3_UNCACHEABLE (0x1)
#define L3_WB_CACHEABLE (0x3)
#define DISABLE_SKIP_CACHING_CONTROL (0x0)
#define ENABLE_SKIP_CACHING_CONTROL (0x1)
#define DISABLE_SELF_SNOOP_OVERRIDE (0x0)
#define ENABLE_SELF_SNOOP_OVERRIDE (0x1)
#define ENABLE_SELF_SNOOP_ALWAYS (0x3)
#define CLASS_SERVICE_ZERO (0x0)
{
SetUpMOCSTable();
}
{
// Define index of cache element
uint32_t Usage = 0;
#if(_WIN32 && (_DEBUG || _RELEASE_INTERNAL))
void *pKmdGmmContext = NULL;
OverrideCachePolicy(pKmdGmmContext);
#endif
// Process the cache policy and fill in the look up table
for(; Usage < GMM_RESOURCE_USAGE_MAX; Usage++)
{
bool CachePolicyError = false;
bool SpecialMOCS = false;
int32_t CPTblIdx = -1;
uint32_t j = 0;
uint64_t PTEValue = 0;
GMM_CACHE_POLICY_TBL_ELEMENT UsageEle = {0};
CPTblIdx = IsSpecialMOCSUsage((GMM_RESOURCE_USAGE_TYPE)Usage, SpecialMOCS);
UsageEle.LeCC.Reserved = 0; // Reserved bits zeroe'd, this is so we
// we can compare the unioned LeCC.DwordValue.
UsageEle.LeCC.SelfSnoop = DISABLE_SELF_SNOOP_OVERRIDE;
UsageEle.LeCC.CoS = CLASS_SERVICE_ZERO;
UsageEle.LeCC.SCC = 0;
UsageEle.LeCC.ESC = 0;
if(pCachePolicy[Usage].SCF && pGmmLibContext->GetSkuTable().FtrLLCBypass)
{
UsageEle.LeCC.SCF = pCachePolicy[Usage].SCF;
__GMM_ASSERT(pCachePolicy[Usage].LLC == 0); //LLC and ByPassLLC are mutually-exclusive
}
if(pCachePolicy[Usage].SSO & ENABLE_SELF_SNOOP_OVERRIDE)
{
UsageEle.LeCC.SelfSnoop = pCachePolicy[Usage].SSO & ENABLE_SELF_SNOOP_ALWAYS;
}
if(pCachePolicy[Usage].CoS)
{
UsageEle.LeCC.CoS = pCachePolicy[Usage].CoS;
}
if(pCachePolicy[Usage].HDCL1)
{
UsageEle.HDCL1 = 1;
}
if(pCachePolicy[Usage].LeCC_SCC)
{
UsageEle.LeCC.SCC = pCachePolicy[Usage].LeCC_SCC;
UsageEle.LeCC.ESC = ENABLE_SKIP_CACHING_CONTROL;
}
UsageEle.LeCC.LRUM = pCachePolicy[Usage].AGE;
// default to LLC target cache.
UsageEle.LeCC.TargetCache = TC_LLC;
UsageEle.LeCC.Cacheability = LeCC_WB_CACHEABLE;
if(pCachePolicy[Usage].LLC)
{
UsageEle.LeCC.TargetCache = TC_LLC;
__GMM_ASSERT(pCachePolicy[Usage].SCF == 0); //LLC and ByPassLLC are mutually-exclusive
}
else
{
UsageEle.LeCC.Cacheability = LeCC_WC_UNCACHEABLE;
}
UsageEle.L3.Reserved = 0; // Reserved bits zeroe'd, this is so we
// we can compare the unioned L3.UshortValue.
UsageEle.L3.ESC = DISABLE_SKIP_CACHING_CONTROL;
UsageEle.L3.SCC = 0;
UsageEle.L3.Cacheability = pCachePolicy[Usage].L3 ? L3_WB_CACHEABLE : L3_UNCACHEABLE;
__GMM_ASSERT((pCachePolicy[Usage].L3 && pCachePolicy[Usage].L3Eviction != 0) ||
(pCachePolicy[Usage].L3 == 0 && (pCachePolicy[Usage].L3Eviction == 0 || Usage == GMM_RESOURCE_USAGE_L3_EVICTION)));
if(pCachePolicy[Usage].L3_SCC)
{
UsageEle.L3.ESC = ENABLE_SKIP_CACHING_CONTROL;
UsageEle.L3.SCC = (uint16_t)pCachePolicy[Usage].L3_SCC;
}
//Special-case MOCS handling for MOCS Table Index 60-63
if(CPTblIdx >= GMM_GEN12_MAX_NUMBER_MOCS_INDEXES)
{
GMM_CACHE_POLICY_TBL_ELEMENT *TblEle = &pGmmLibContext->GetCachePolicyTlbElement()[CPTblIdx];
if(SpecialMOCS &&
!(TblEle->LeCC.DwordValue == UsageEle.LeCC.DwordValue &&
TblEle->L3.UshortValue == UsageEle.L3.UshortValue &&
TblEle->HDCL1 == UsageEle.HDCL1))
{
//Assert if being overwritten!
__GMM_ASSERT(TblEle->LeCC.DwordValue == 0 &&
TblEle->L3.UshortValue == 0 &&
TblEle->HDCL1 == 0);
#if(_WIN32 && (_DEBUG || _RELEASE_INTERNAL))
if(pCachePolicy[Usage].IsOverridenByRegkey)
{
TblEle->LeCC.DwordValue = UsageEle.LeCC.DwordValue;
TblEle->L3.UshortValue = UsageEle.L3.UshortValue;
TblEle->HDCL1 = UsageEle.HDCL1;
}
#endif
}
}
//For HDC L1 caching, MOCS Table index 48-59 should be used
else if(UsageEle.HDCL1)
{
for(j = GMM_GEN10_HDCL1_MOCS_INDEX_START; j <= CurrentMaxL1HdcMocsIndex; j++)
{
GMM_CACHE_POLICY_TBL_ELEMENT *TblEle = &pGmmLibContext->GetCachePolicyTlbElement()[j];
if(TblEle->LeCC.DwordValue == UsageEle.LeCC.DwordValue &&
TblEle->L3.UshortValue == UsageEle.L3.UshortValue &&
TblEle->HDCL1 == UsageEle.HDCL1)
{
CPTblIdx = j;
break;
}
}
}
else
{
// Due to unstable system behavior on TGLLP, MOCS #0 index had to be programmed as UC in MOCS lookup table - pCachePolicyTlbElement
// But still Index 0 is Reserved for Error by HW and should not be used.
// Hence Gmmlib will opt out from the MOCS#0 usage and Lookup into MOCS table and MOCS index assigment must start from Index 1.
for(j = 1; j <= CurrentMaxMocsIndex; j++)
{
GMM_CACHE_POLICY_TBL_ELEMENT *TblEle = &pGmmLibContext->GetCachePolicyTlbElement()[j];
if(TblEle->LeCC.DwordValue == UsageEle.LeCC.DwordValue &&
TblEle->L3.UshortValue == UsageEle.L3.UshortValue &&
TblEle->HDCL1 == UsageEle.HDCL1)
{
CPTblIdx = j;
break;
}
}
}
// Didn't find the caching settings in one of the already programmed lookup table entries.
// Need to add a new lookup table entry.
if(CPTblIdx == -1)
{
#if(_WIN32 && (_DEBUG || _RELEASE_INTERNAL))
// If the Cache Policy setting is overriden through regkey,
// don't raise an assert/log error. Raising an assert for debug/perf testing isn't really helpful
if(pCachePolicy[Usage].IsOverridenByRegkey)
{
if(UsageEle.HDCL1 && CurrentMaxL1HdcMocsIndex < GMM_GEN12_MAX_NUMBER_MOCS_INDEXES - 1)
{
GMM_CACHE_POLICY_TBL_ELEMENT *TblEle = &(pGmmLibContext->GetCachePolicyTlbElement()[++CurrentMaxL1HdcMocsIndex]);
CPTblIdx = CurrentMaxL1HdcMocsIndex;
TblEle->LeCC.DwordValue = UsageEle.LeCC.DwordValue;
TblEle->L3.UshortValue = UsageEle.L3.UshortValue;
TblEle->HDCL1 = UsageEle.HDCL1;
}
else if(CurrentMaxMocsIndex < GMM_GEN10_HDCL1_MOCS_INDEX_START)
{
GMM_CACHE_POLICY_TBL_ELEMENT *TblEle = &(pGmmLibContext->GetCachePolicyTlbElement()[++CurrentMaxMocsIndex]);
CPTblIdx = CurrentMaxMocsIndex;
TblEle->LeCC.DwordValue = UsageEle.LeCC.DwordValue;
TblEle->L3.UshortValue = UsageEle.L3.UshortValue;
TblEle->HDCL1 = UsageEle.HDCL1;
}
else
{
// Too many unique caching combinations to program the
// MOCS lookup table.
CachePolicyError = true;
GMM_ASSERTDPF(
"Cache Policy Init Error: Invalid Cache Programming, too many unique caching combinations"
"(we only support GMM_GEN_MAX_NUMBER_MOCS_INDEXES = %d)",
GMM_MAX_NUMBER_MOCS_INDEXES - 1);
// Set cache policy index to uncached.
CPTblIdx = 3;
}
}
else
#endif
{
GMM_ASSERTDPF(false, "CRITICAL ERROR: Cache Policy Usage value specified by Client is not defined in Fixed MOCS Table!");
CachePolicyError = true;
GMM_ASSERTDPF(
"Cache Policy Init Error: Invalid Cache Programming, too many unique caching combinations"
"(we only support GMM_GEN_MAX_NUMBER_MOCS_INDEXES = %d)",
CurrentMaxMocsIndex);
// Set cache policy index to uncached.
CPTblIdx = 3;
}
}
// PTE entries do not control caching on SKL+ (for legacy context)
if(!GetUsagePTEValue(pCachePolicy[Usage], Usage, &PTEValue))
{
CachePolicyError = true;
}
pCachePolicy[Usage].PTE.DwordValue = PTEValue & 0xFFFFFFFF;
pCachePolicy[Usage].PTE.HighDwordValue = 0;
pCachePolicy[Usage].MemoryObjectOverride.Gen12.Index = CPTblIdx;
pCachePolicy[Usage].Override = ALWAYS_OVERRIDE;
if(CachePolicyError)
{
GMM_ASSERTDPF("Cache Policy Init Error: Invalid Cache Programming - Element %d", Usage);
}
}
}
return GMM_SUCCESS;
}
/////////////////////////////////////////////////////////////////////////////////////
/// Return true if (MT2) is a better match for (WantedMT)
/// than (MT1)
///
/// @param[in] WantedMT: Wanted Memory Type
/// @param[in] MT1: Memory Type for PATIdx1
/// @param[in] MT2: Memory Type for PATIdx2
///
/// @return Select the new PAT Index True/False
/////////////////////////////////////////////////////////////////////////////////////
uint8_t GmmLib::GmmGen12CachePolicy::SelectNewPATIdx(GMM_GFX_MEMORY_TYPE WantedMT,
GMM_GFX_MEMORY_TYPE MT1, GMM_GFX_MEMORY_TYPE MT2)
{
uint8_t SelectPAT2 = 0;
// select on Memory Type
if(MT1 != WantedMT)
{
if(MT2 == WantedMT || MT2 == GMM_GFX_UC_WITH_FENCE)
{
SelectPAT2 = 1;
}
goto EXIT;
}
EXIT:
return SelectPAT2;
}
/////////////////////////////////////////////////////////////////////////////////////
/// Returns the PAT idx that best matches the cache policy for this usage.
///
/// @param: CachePolicy: cache policy for a usage
///
/// @return PAT Idx to use in the PTE
/////////////////////////////////////////////////////////////////////////////////////
uint32_t GmmLib::GmmGen12CachePolicy::BestMatchingPATIdx(GMM_CACHE_POLICY_ELEMENT CachePolicy)
{
uint32_t i;
uint32_t PATIdx = 0;
GMM_GFX_MEMORY_TYPE WantedMemoryType = GMM_GFX_UC_WITH_FENCE, MemoryType;
WA_TABLE * pWaTable = &const_cast<WA_TABLE &>(pGmmLibContext->GetWaTable());
WantedMemoryType = GetWantedMemoryType(CachePolicy);
// Override wantedMemoryType so that PAT.MT is UC
// Gen12 uses max function to resolve PAT-vs-MOCS MemType, So unless PTE.PAT says UC, MOCS won't be able to set UC!
if(pWaTable->WaMemTypeIsMaxOfPatAndMocs)
{
WantedMemoryType = GMM_GFX_UC_WITH_FENCE;
}
for(i = 1; i < NumPATRegisters; i++)
{
GMM_PRIVATE_PAT PAT1 = GetPrivatePATEntry(PATIdx);
GMM_PRIVATE_PAT PAT2 = GetPrivatePATEntry(i);
if(SelectNewPATIdx(WantedMemoryType,
(GMM_GFX_MEMORY_TYPE)PAT1.Gen12.MemoryType,
(GMM_GFX_MEMORY_TYPE)PAT2.Gen12.MemoryType))
{
PATIdx = i;
}
}
MemoryType = (GMM_GFX_MEMORY_TYPE)GetPrivatePATEntry(PATIdx).Gen12.MemoryType;
if(MemoryType != WantedMemoryType)
{
// Failed to find a matching PAT entry
return GMM_PAT_ERROR;
}
return PATIdx;
}
/////////////////////////////////////////////////////////////////////////////////////
/// Initializes WA's needed for setting up the Private PATs
/// WaNoMocsEllcOnly (reset)
/// WaGttPat0, WaGttPat0GttWbOverOsIommuEllcOnly, WaGttPat0WB (use from base class)
///
/// @return GMM_STATUS
///
/////////////////////////////////////////////////////////////////////////////////////
GMM_STATUS GmmLib::GmmGen12CachePolicy::SetPATInitWA()
{
GMM_STATUS Status = GMM_SUCCESS;
WA_TABLE * pWaTable = &const_cast<WA_TABLE &>(pGmmLibContext->GetWaTable());
#if(defined(__GMM_KMD__))
__GMM_ASSERT(pGmmLibContext->GetSkuTable().FtrMemTypeMocsDeferPAT == 0x0); //MOCS.TargetCache supports eLLC only, PAT.TC -> reserved bits.
pWaTable->WaGttPat0WB = 0; //Override PAT #0
#else
Status = GMM_ERROR;
#endif
return Status;
}
/////////////////////////////////////////////////////////////////////////////////////
/// Initializes the Gfx PAT tables for AdvCtx and Gfx MMIO/Private PAT
/// PAT0 = WB_COHERENT or UC depending on WaGttPat0WB
/// PAT1 = UC or WB_COHERENT depending on WaGttPat0WB
/// PAT2 = WB_MOCSLESS
/// PAT3 = WB
/// PAT4 = WT
/// PAT5 = WC
/// PAT6 = WC
/// PAT7 = WC
/// HLD says to set to PAT0/1 to WC, but since we don't have a WC in GPU,
/// WC option is same as UC. Hence setting PAT0 or PAT1 to UC.
/// Unused PAT's (5,6,7) are set to WC.
///
/// @return GMM_STATUS
/////////////////////////////////////////////////////////////////////////////////////
GMM_STATUS GmmLib::GmmGen12CachePolicy::SetupPAT()
{
GMM_STATUS Status = GMM_SUCCESS;
#if(defined(__GMM_KMD__))
uint32_t i = 0;
GMM_GFX_MEMORY_TYPE GfxMemType = GMM_GFX_UC_WITH_FENCE;
int32_t * pPrivatePATTableMemoryType = NULL;
pPrivatePATTableMemoryType = pGmmLibContext->GetPrivatePATTableMemoryType();
__GMM_ASSERT(pGmmLibContext->GetSkuTable().FtrIA32eGfxPTEs);
for(i = 0; i < GMM_NUM_GFX_PAT_TYPES; i++)
{
pPrivatePATTableMemoryType[i] = -1;
}
// Set values for GmmGlobalInfo PrivatePATTable
for(i = 0; i < NumPATRegisters; i++)
{
GMM_PRIVATE_PAT PAT = {0};
switch(i)
{
case PAT0:
if(pGmmLibContext->GetWaTable().WaGttPat0)
{
if(pGmmLibContext->GetWaTable().WaGttPat0WB)
{
GfxMemType = GMM_GFX_WB;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WB_COHERENT] = PAT0;
}
else
{
GfxMemType = GMM_GFX_UC_WITH_FENCE;
pPrivatePATTableMemoryType[GMM_GFX_PAT_UC] = PAT0;
}
}
else // if GTT is not tied to PAT0 then WaGttPat0WB is NA
{
GfxMemType = GMM_GFX_WB;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WB_COHERENT] = PAT0;
}
break;
case PAT1:
if(pGmmLibContext->GetWaTable().WaGttPat0 && !pGmmLibContext->GetWaTable().WaGttPat0WB)
{
GfxMemType = GMM_GFX_WB;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WB_COHERENT] = PAT1;
}
else
{
GfxMemType = GMM_GFX_UC_WITH_FENCE;
pPrivatePATTableMemoryType[GMM_GFX_PAT_UC] = PAT1;
}
break;
case PAT2:
// This PAT idx shall be used for MOCS'Less resources like Page Tables
// Page Tables have TC hardcoded to eLLC+LLC in Adv Ctxt. Hence making this to have same in Leg Ctxt.
// For BDW-H, due to Perf issue, TC has to be eLLC only for Page Tables when eDRAM is present.
GfxMemType = GMM_GFX_WB;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WB_MOCSLESS] = PAT2;
break;
case PAT3:
GfxMemType = GMM_GFX_WB;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WB] = PAT3;
break;
case PAT4:
GfxMemType = GMM_GFX_WT;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WT] = PAT4;
break;
case PAT5:
case PAT6:
case PAT7:
GfxMemType = GMM_GFX_WC;
pPrivatePATTableMemoryType[GMM_GFX_PAT_WC] = PAT5;
break;
default:
__GMM_ASSERT(0);
Status = GMM_ERROR;
}
PAT.Gen12.MemoryType = GfxMemType;
SetPrivatePATEntry(i, PAT);
}
#else
Status = GMM_ERROR;
#endif
return Status;
}
//=============================================================================
//
// Function: SetUpMOCSTable
//
// Desc:
//
// Parameters:
//
// Return: GMM_STATUS
//
//-----------------------------------------------------------------------------
void GmmLib::GmmGen12CachePolicy::SetUpMOCSTable()
{
GMM_CACHE_POLICY_TBL_ELEMENT *pCachePolicyTlbElement = &(pGmmLibContext->GetCachePolicyTlbElement()[0]);
#define GMM_DEFINE_MOCS(Index, L3_ESC, L3_SCC, L3_CC, LeCC_CC, LeCC_TC, LeCC_LRUM, LeCC_AOM, LeCC_ESC, LeCC_SCC, LeCC_PFM, LeCC_SCF, LeCC_CoS, LeCC_SelfSnoop, _HDCL1) \
{ \
pCachePolicyTlbElement[Index].L3.ESC = L3_ESC; \
pCachePolicyTlbElement[Index].L3.SCC = L3_SCC; \
pCachePolicyTlbElement[Index].L3.Cacheability = L3_CC; \
pCachePolicyTlbElement[Index].LeCC.Cacheability = LeCC_CC; \
pCachePolicyTlbElement[Index].LeCC.TargetCache = LeCC_TC; \
pCachePolicyTlbElement[Index].LeCC.LRUM = LeCC_LRUM; \
pCachePolicyTlbElement[Index].LeCC.AOM = LeCC_AOM; \
pCachePolicyTlbElement[Index].LeCC.ESC = LeCC_ESC; \
pCachePolicyTlbElement[Index].LeCC.SCC = LeCC_SCC; \
pCachePolicyTlbElement[Index].LeCC.PFM = LeCC_PFM; \
pCachePolicyTlbElement[Index].LeCC.SCF = LeCC_SCF; \
pCachePolicyTlbElement[Index].LeCC.CoS = LeCC_CoS; \
pCachePolicyTlbElement[Index].LeCC.SelfSnoop = LeCC_SelfSnoop; \
pCachePolicyTlbElement[Index].HDCL1 = _HDCL1; \
}
// clang-format off
//Default MOCS Table
for(int index = 0; index < GMM_MAX_NUMBER_MOCS_INDEXES; index++)
{ // Index ES SCC L3CC LeCC TC LRUM DAoM ERSC SCC PFM SCF CoS SSE HDCL1
GMM_DEFINE_MOCS( index , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
}
// Fixed MOCS Table
// Index ESC SCC L3CC LeCC TC LRUM DAoM ERSC SCC PFM SCF CoS SSE HDCL1
GMM_DEFINE_MOCS( 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 2 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 3 , 0 , 0 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 4 , 0 , 0 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 5 , 0 , 0 , 1 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 6 , 0 , 0 , 1 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 7 , 0 , 0 , 3 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 8 , 0 , 0 , 1 , 3 , 1 , 2 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 9 , 0 , 0 , 3 , 3 , 1 , 2 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 10 , 0 , 0 , 1 , 3 , 1 , 3 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 11 , 0 , 0 , 3 , 3 , 1 , 3 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 12 , 0 , 0 , 1 , 3 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 13 , 0 , 0 , 3 , 3 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 14 , 0 , 0 , 1 , 3 , 1 , 2 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 15 , 0 , 0 , 3 , 3 , 1 , 2 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 16 , 0 , 0 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 17 , 0 , 0 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 18 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 3 , 0 )
GMM_DEFINE_MOCS( 19 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 7 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 20 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 3 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 21 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 1 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 22 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 1 , 3 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 23 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 1 , 7 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 48 , 0 , 0 , 3 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 )
GMM_DEFINE_MOCS( 49 , 0 , 0 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 )
GMM_DEFINE_MOCS( 50 , 0 , 0 , 1 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 )
GMM_DEFINE_MOCS( 51 , 0 , 0 , 1 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 )
GMM_DEFINE_MOCS( 60 , 0 , 0 , 1 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 61 , 0 , 0 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 62 , 0 , 0 , 1 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 63 , 0 , 0 , 1 , 3 , 1 , 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
if(!pGmmLibContext->GetSkuTable().FtrLLCBypass ||
GFX_GET_CURRENT_PRODUCT(pGmmLibContext->GetPlatformInfo().Platform) == IGFX_ROCKETLAKE)
{
GMM_DEFINE_MOCS( 16 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 17 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
GMM_DEFINE_MOCS( 61 , 0 , 0 , 3 , 1 , 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 )
}
// clang-format on
CurrentMaxMocsIndex = 23;
CurrentMaxL1HdcMocsIndex = 51;
CurrentMaxSpecialMocsIndex = 63;
#undef GMM_DEFINE_MOCS
}
|