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BLACKWOLF800BANW: Add Initial Q4D ASIC definitions #945

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dzarista wants to merge 2 commits into from
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BLACKWOLF800BANW: Add Initial Q4D ASIC definitions #945

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e7da203
Add Q4D ASIC support
dzarista Jan 29, 2026
6e4a066
bringup fixes
dzarista Feb 19, 2026
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1 change: 1 addition & 0 deletions cmake/AgentHwSwitchAsics.cmake
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Expand Up @@ -29,6 +29,7 @@ add_library(switch_asics
fboss/agent/hw/switch_asics/ChenabAsic.cpp
fboss/agent/hw/switch_asics/BroadcomXgsAsic.cpp
fboss/agent/hw/switch_asics/G202xAsic.cpp
fboss/agent/hw/switch_asics/Q4DAsic.cpp
)

target_link_libraries(switch_asics
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1 change: 1 addition & 0 deletions fboss/agent/ApplyThriftConfig.cpp
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Expand Up @@ -1175,6 +1175,7 @@ void ThriftConfigApplier::processUpdatedDsfNodes() {
asicCore = 1;
break;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
if (isDualStage3Q2QMode()) {
asicCore = 447;
} else {
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8 changes: 8 additions & 0 deletions fboss/agent/AsicUtils.cpp
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Expand Up @@ -10,6 +10,7 @@
#include "fboss/agent/AsicUtils.h"
#include "fboss/agent/hw/switch_asics/Jericho2Asic.h"
#include "fboss/agent/hw/switch_asics/Jericho3Asic.h"
#include "fboss/agent/hw/switch_asics/Q4DAsic.h"
#include "fboss/agent/hw/switch_asics/Ramon3Asic.h"
#include "fboss/agent/hw/switch_asics/RamonAsic.h"

Expand Down Expand Up @@ -39,6 +40,11 @@ const HwAsic& getHwAsicForAsicType(const cfg::AsicType& asicType) {
static Jericho3Asic jericho3Asic{switchId, switchInfo};
return jericho3Asic;
}
case cfg::AsicType::ASIC_TYPE_Q4D: {
switchInfo.switchType() = cfg::SwitchType::VOQ;
static Q4DAsic q4dAsic{switchId, switchInfo};
return q4dAsic;
}
case cfg::AsicType::ASIC_TYPE_RAMON: {
switchInfo.switchType() = cfg::SwitchType::FABRIC;
static RamonAsic ramonAsic{switchId, switchInfo};
Expand Down Expand Up @@ -82,6 +88,8 @@ uint32_t getFabricPortsPerVirtualDevice(const cfg::AsicType asicType) {
return 192;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
return 160;
case cfg::AsicType::ASIC_TYPE_Q4D:
return 160;
case cfg::AsicType::ASIC_TYPE_RAMON3:
return 256;
case cfg::AsicType::ASIC_TYPE_FAKE:
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1 change: 1 addition & 0 deletions fboss/agent/PortUpdateHandler.cpp
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Expand Up @@ -299,6 +299,7 @@ void PortUpdateHandler::computeFabricOverdrainPct(const StateDelta& delta) {
case cfg::AsicType::ASIC_TYPE_JERICHO2:
return 1.12;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
return 1.06;
case cfg::AsicType::ASIC_TYPE_MOCK:
case cfg::AsicType::ASIC_TYPE_FAKE:
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1 change: 1 addition & 0 deletions fboss/agent/hw/bcm/BcmFieldProcessorUtils.cpp
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Expand Up @@ -543,6 +543,7 @@ bool needsExtraFPQsetQualifiers(cfg::AsicType asicType) {
case cfg::AsicType::ASIC_TYPE_SANDIA_PHY:
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_RAMON:
case cfg::AsicType::ASIC_TYPE_RAMON3:
case cfg::AsicType::ASIC_TYPE_G202X:
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1 change: 1 addition & 0 deletions fboss/agent/hw/bcm/BcmSwitch.cpp
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Expand Up @@ -4222,6 +4222,7 @@ void BcmSwitch::disableHotSwap() const {
case cfg::AsicType::ASIC_TYPE_SANDIA_PHY:
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_RAMON:
case cfg::AsicType::ASIC_TYPE_RAMON3:
case cfg::AsicType::ASIC_TYPE_G202X:
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1 change: 1 addition & 0 deletions fboss/agent/hw/bcm/tests/HwTestTamUtils.cpp
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Expand Up @@ -20,6 +20,7 @@ void triggerParityError(HwSwitchEnsemble* ensemble) {
case cfg::AsicType::ASIC_TYPE_SANDIA_PHY:
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_RAMON:
case cfg::AsicType::ASIC_TYPE_RAMON3:
case cfg::AsicType::ASIC_TYPE_EBRO:
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1 change: 1 addition & 0 deletions fboss/agent/hw/bcm/tests/HwTestTamUtilsThriftHandler.cpp
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Expand Up @@ -19,6 +19,7 @@ void HwTestThriftHandler::triggerParityError() {
case cfg::AsicType::ASIC_TYPE_SANDIA_PHY:
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_RAMON:
case cfg::AsicType::ASIC_TYPE_RAMON3:
case cfg::AsicType::ASIC_TYPE_EBRO:
Expand Down
1 change: 1 addition & 0 deletions fboss/agent/hw/sai/hw_test/HwTestTamUtils.cpp
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Expand Up @@ -141,6 +141,7 @@ void triggerParityError(HwSwitchEnsemble* ensemble) {
triggerBcmJericho2ParityError(ensemble);
break;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
triggerBcmJericho3ParityError(ensemble);
break;
case cfg::AsicType::ASIC_TYPE_CHENAB:
Expand Down
1 change: 1 addition & 0 deletions fboss/agent/hw/sai/hw_test/HwTestTamUtilsThriftHandler.cpp
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Expand Up @@ -236,6 +236,7 @@ void HwTestThriftHandler::triggerParityError() {
triggerBcmJericho2ParityError(hwSwitch_);
break;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
triggerBcmJericho3ParityError(hwSwitch_);
break;
case cfg::AsicType::ASIC_TYPE_CHENAB:
Expand Down
5 changes: 3 additions & 2 deletions fboss/agent/hw/sai/switch/SaiAclTableManager.cpp
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Expand Up @@ -1682,8 +1682,9 @@ std::set<cfg::AclTableQualifier> SaiAclTableManager::getSupportedQualifierSet(
platform_->getAsic()->getAsicType() == cfg::AsicType::ASIC_TYPE_TRIDENT2;
bool isJericho2 =
platform_->getAsic()->getAsicType() == cfg::AsicType::ASIC_TYPE_JERICHO2;
bool isJericho3 =
platform_->getAsic()->getAsicType() == cfg::AsicType::ASIC_TYPE_JERICHO3;
bool isJericho3 = platform_->getAsic()->getAsicType() ==
cfg::AsicType::ASIC_TYPE_JERICHO3 ||
platform_->getAsic()->getAsicType() == cfg::AsicType::ASIC_TYPE_Q4D;
bool isTomahawk5 =
platform_->getAsic()->getAsicType() == cfg::AsicType::ASIC_TYPE_TOMAHAWK5;
bool isChenab =
Expand Down
2 changes: 2 additions & 0 deletions fboss/agent/hw/sai/switch/SaiBufferManager.cpp
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Expand Up @@ -109,6 +109,7 @@ void assertMaxBufferPoolSize(const SaiPlatform* platform) {
break;
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_TRIDENT2:
CHECK_EQ(maxEgressPoolSize, availableBuffer);
break;
Expand Down Expand Up @@ -201,6 +202,7 @@ uint64_t SaiBufferManager::getMaxEgressPoolBytes(const SaiPlatform* platform) {
}
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
/*
* XXX: TODO: Need to check if there is a way to compute the
* buffers available for use in Jericho2 without using the
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1 change: 1 addition & 0 deletions fboss/agent/hw/sai/switch/SaiPortManager.cpp
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Expand Up @@ -611,6 +611,7 @@ int getWorstCaseAssumedOpticsDelayNS(
case cfg::AsicType::ASIC_TYPE_G202X:
break;
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
if (portType == cfg::PortType::FABRIC_PORT) {
return 110;
} else {
Expand Down
1 change: 1 addition & 0 deletions fboss/agent/hw/sai/switch/SaiVirtualRouterManager.cpp
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Expand Up @@ -110,6 +110,7 @@ SaiVirtualRouterManager::createMplsRouterInterface(VirtualRouterSaiId vrId) {
case cfg::AsicType::ASIC_TYPE_SANDIA_PHY:
case cfg::AsicType::ASIC_TYPE_JERICHO2:
case cfg::AsicType::ASIC_TYPE_JERICHO3:
case cfg::AsicType::ASIC_TYPE_Q4D:
case cfg::AsicType::ASIC_TYPE_RAMON:
case cfg::AsicType::ASIC_TYPE_RAMON3:
case cfg::AsicType::ASIC_TYPE_CHENAB:
Expand Down
3 changes: 3 additions & 0 deletions fboss/agent/hw/switch_asics/HwAsic.cpp
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Expand Up @@ -19,6 +19,7 @@
#include "fboss/agent/hw/switch_asics/Jericho2Asic.h"
#include "fboss/agent/hw/switch_asics/Jericho3Asic.h"
#include "fboss/agent/hw/switch_asics/MockAsic.h"
#include "fboss/agent/hw/switch_asics/Q4DAsic.h"
#include "fboss/agent/hw/switch_asics/Ramon3Asic.h"
#include "fboss/agent/hw/switch_asics/RamonAsic.h"
#include "fboss/agent/hw/switch_asics/Tomahawk3Asic.h"
Expand Down Expand Up @@ -120,6 +121,8 @@ std::unique_ptr<HwAsic> HwAsic::makeAsic(
return std::make_unique<Jericho2Asic>(switchId, switchInfo, sdkVersion);
case cfg::AsicType::ASIC_TYPE_JERICHO3:
return std::make_unique<Jericho3Asic>(switchId, switchInfo, sdkVersion);
case cfg::AsicType::ASIC_TYPE_Q4D:
return std::make_unique<Q4DAsic>(switchId, switchInfo, sdkVersion);
case cfg::AsicType::ASIC_TYPE_RAMON:
return std::make_unique<RamonAsic>(switchId, switchInfo, sdkVersion);
case cfg::AsicType::ASIC_TYPE_RAMON3:
Expand Down
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